diff options
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/net/qeth.h | 1253 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_eddp.c | 634 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_eddp.h | 84 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_fs.h | 168 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_main.c | 8956 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_mpc.c | 269 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_mpc.h | 583 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_proc.c | 316 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_sys.c | 1858 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_tso.h | 148 |
10 files changed, 0 insertions, 14269 deletions
diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h deleted file mode 100644 index 8c6b72d05b1d..000000000000 --- a/drivers/s390/net/qeth.h +++ /dev/null @@ -1,1253 +0,0 @@ -#ifndef __QETH_H__ -#define __QETH_H__ - -#include <linux/if.h> -#include <linux/if_arp.h> - -#include <linux/if_tr.h> -#include <linux/trdevice.h> -#include <linux/etherdevice.h> -#include <linux/if_vlan.h> -#include <linux/ctype.h> - -#include <net/ipv6.h> -#include <linux/in6.h> -#include <net/if_inet6.h> -#include <net/addrconf.h> - - -#include <linux/bitops.h> - -#include <asm/debug.h> -#include <asm/qdio.h> -#include <asm/ccwdev.h> -#include <asm/ccwgroup.h> - -#include "qeth_mpc.h" - -#ifdef CONFIG_QETH_IPV6 -#define QETH_VERSION_IPV6 ":IPv6" -#else -#define QETH_VERSION_IPV6 "" -#endif -#ifdef CONFIG_QETH_VLAN -#define QETH_VERSION_VLAN ":VLAN" -#else -#define QETH_VERSION_VLAN "" -#endif - -/** - * Debug Facility stuff - */ -#define QETH_DBF_SETUP_NAME "qeth_setup" -#define QETH_DBF_SETUP_LEN 8 -#define QETH_DBF_SETUP_PAGES 8 -#define QETH_DBF_SETUP_NR_AREAS 1 -#define QETH_DBF_SETUP_LEVEL 5 - -#define QETH_DBF_MISC_NAME "qeth_misc" -#define QETH_DBF_MISC_LEN 128 -#define QETH_DBF_MISC_PAGES 2 -#define QETH_DBF_MISC_NR_AREAS 1 -#define QETH_DBF_MISC_LEVEL 2 - -#define QETH_DBF_DATA_NAME "qeth_data" -#define QETH_DBF_DATA_LEN 96 -#define QETH_DBF_DATA_PAGES 8 -#define QETH_DBF_DATA_NR_AREAS 1 -#define QETH_DBF_DATA_LEVEL 2 - -#define QETH_DBF_CONTROL_NAME "qeth_control" -#define QETH_DBF_CONTROL_LEN 256 -#define QETH_DBF_CONTROL_PAGES 8 -#define QETH_DBF_CONTROL_NR_AREAS 2 -#define QETH_DBF_CONTROL_LEVEL 5 - -#define QETH_DBF_TRACE_NAME "qeth_trace" -#define QETH_DBF_TRACE_LEN 8 -#define QETH_DBF_TRACE_PAGES 4 -#define QETH_DBF_TRACE_NR_AREAS 2 -#define QETH_DBF_TRACE_LEVEL 3 -extern debug_info_t *qeth_dbf_trace; - -#define QETH_DBF_SENSE_NAME "qeth_sense" -#define QETH_DBF_SENSE_LEN 64 -#define QETH_DBF_SENSE_PAGES 2 -#define QETH_DBF_SENSE_NR_AREAS 1 -#define QETH_DBF_SENSE_LEVEL 2 - -#define QETH_DBF_QERR_NAME "qeth_qerr" -#define QETH_DBF_QERR_LEN 8 -#define QETH_DBF_QERR_PAGES 2 -#define QETH_DBF_QERR_NR_AREAS 2 -#define QETH_DBF_QERR_LEVEL 2 - -#define QETH_DBF_TEXT(name,level,text) \ - do { \ - debug_text_event(qeth_dbf_##name,level,text); \ - } while (0) - -#define QETH_DBF_HEX(name,level,addr,len) \ - do { \ - debug_event(qeth_dbf_##name,level,(void*)(addr),len); \ - } while (0) - -DECLARE_PER_CPU(char[256], qeth_dbf_txt_buf); - -#define QETH_DBF_TEXT_(name,level,text...) \ - do { \ - char* dbf_txt_buf = get_cpu_var(qeth_dbf_txt_buf); \ - sprintf(dbf_txt_buf, text); \ - debug_text_event(qeth_dbf_##name,level,dbf_txt_buf); \ - put_cpu_var(qeth_dbf_txt_buf); \ - } while (0) - -#define QETH_DBF_SPRINTF(name,level,text...) \ - do { \ - debug_sprintf_event(qeth_dbf_trace, level, ##text ); \ - debug_sprintf_event(qeth_dbf_trace, level, text ); \ - } while (0) - -/** - * some more debug stuff - */ -#define PRINTK_HEADER "qeth: " - -#define HEXDUMP16(importance,header,ptr) \ -PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \ - "%02x %02x %02x %02x %02x %02x %02x %02x\n", \ - *(((char*)ptr)),*(((char*)ptr)+1),*(((char*)ptr)+2), \ - *(((char*)ptr)+3),*(((char*)ptr)+4),*(((char*)ptr)+5), \ - *(((char*)ptr)+6),*(((char*)ptr)+7),*(((char*)ptr)+8), \ - *(((char*)ptr)+9),*(((char*)ptr)+10),*(((char*)ptr)+11), \ - *(((char*)ptr)+12),*(((char*)ptr)+13), \ - *(((char*)ptr)+14),*(((char*)ptr)+15)); \ -PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \ - "%02x %02x %02x %02x %02x %02x %02x %02x\n", \ - *(((char*)ptr)+16),*(((char*)ptr)+17), \ - *(((char*)ptr)+18),*(((char*)ptr)+19), \ - *(((char*)ptr)+20),*(((char*)ptr)+21), \ - *(((char*)ptr)+22),*(((char*)ptr)+23), \ - *(((char*)ptr)+24),*(((char*)ptr)+25), \ - *(((char*)ptr)+26),*(((char*)ptr)+27), \ - *(((char*)ptr)+28),*(((char*)ptr)+29), \ - *(((char*)ptr)+30),*(((char*)ptr)+31)); - -static inline void -qeth_hex_dump(unsigned char *buf, size_t len) -{ - size_t i; - - for (i = 0; i < len; i++) { - if (i && !(i % 16)) - printk("\n"); - printk("%02x ", *(buf + i)); - } - printk("\n"); -} - -#define SENSE_COMMAND_REJECT_BYTE 0 -#define SENSE_COMMAND_REJECT_FLAG 0x80 -#define SENSE_RESETTING_EVENT_BYTE 1 -#define SENSE_RESETTING_EVENT_FLAG 0x80 - -/* - * Common IO related definitions - */ -extern struct device *qeth_root_dev; -extern struct ccw_driver qeth_ccw_driver; -extern struct ccwgroup_driver qeth_ccwgroup_driver; - -#define CARD_RDEV(card) card->read.ccwdev -#define CARD_WDEV(card) card->write.ccwdev -#define CARD_DDEV(card) card->data.ccwdev -#define CARD_BUS_ID(card) card->gdev->dev.bus_id -#define CARD_RDEV_ID(card) card->read.ccwdev->dev.bus_id -#define CARD_WDEV_ID(card) card->write.ccwdev->dev.bus_id -#define CARD_DDEV_ID(card) card->data.ccwdev->dev.bus_id -#define CHANNEL_ID(channel) channel->ccwdev->dev.bus_id - -#define CARD_FROM_CDEV(cdev) (struct qeth_card *) \ - ((struct ccwgroup_device *)cdev->dev.driver_data)\ - ->dev.driver_data; - -/** - * card stuff - */ -struct qeth_perf_stats { - unsigned int bufs_rec; - unsigned int bufs_sent; - - unsigned int skbs_sent_pack; - unsigned int bufs_sent_pack; - - unsigned int sc_dp_p; - unsigned int sc_p_dp; - /* qdio_input_handler: number of times called, time spent in */ - __u64 inbound_start_time; - unsigned int inbound_cnt; - unsigned int inbound_time; - /* qeth_send_packet: number of times called, time spent in */ - __u64 outbound_start_time; - unsigned int outbound_cnt; - unsigned int outbound_time; - /* qdio_output_handler: number of times called, time spent in */ - __u64 outbound_handler_start_time; - unsigned int outbound_handler_cnt; - unsigned int outbound_handler_time; - /* number of calls to and time spent in do_QDIO for inbound queue */ - __u64 inbound_do_qdio_start_time; - unsigned int inbound_do_qdio_cnt; - unsigned int inbound_do_qdio_time; - /* number of calls to and time spent in do_QDIO for outbound queues */ - __u64 outbound_do_qdio_start_time; - unsigned int outbound_do_qdio_cnt; - unsigned int outbound_do_qdio_time; - /* eddp data */ - unsigned int large_send_bytes; - unsigned int large_send_cnt; - unsigned int sg_skbs_sent; - unsigned int sg_frags_sent; - /* initial values when measuring starts */ - unsigned long initial_rx_packets; - unsigned long initial_tx_packets; - /* inbound scatter gather data */ - unsigned int sg_skbs_rx; - unsigned int sg_frags_rx; - unsigned int sg_alloc_page_rx; -}; - -/* Routing stuff */ -struct qeth_routing_info { - enum qeth_routing_types type; -}; - -/* IPA stuff */ -struct qeth_ipa_info { - __u32 supported_funcs; - __u32 enabled_funcs; -}; - -static inline int -qeth_is_ipa_supported(struct qeth_ipa_info *ipa, enum qeth_ipa_funcs func) -{ - return (ipa->supported_funcs & func); -} - -static inline int -qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, enum qeth_ipa_funcs func) -{ - return (ipa->supported_funcs & ipa->enabled_funcs & func); -} - -#define qeth_adp_supported(c,f) \ - qeth_is_ipa_supported(&c->options.adp, f) -#define qeth_adp_enabled(c,f) \ - qeth_is_ipa_enabled(&c->options.adp, f) -#define qeth_is_supported(c,f) \ - qeth_is_ipa_supported(&c->options.ipa4, f) -#define qeth_is_enabled(c,f) \ - qeth_is_ipa_enabled(&c->options.ipa4, f) -#ifdef CONFIG_QETH_IPV6 -#define qeth_is_supported6(c,f) \ - qeth_is_ipa_supported(&c->options.ipa6, f) -#define qeth_is_enabled6(c,f) \ - qeth_is_ipa_enabled(&c->options.ipa6, f) -#else /* CONFIG_QETH_IPV6 */ -#define qeth_is_supported6(c,f) 0 -#define qeth_is_enabled6(c,f) 0 -#endif /* CONFIG_QETH_IPV6 */ -#define qeth_is_ipafunc_supported(c,prot,f) \ - (prot==QETH_PROT_IPV6)? qeth_is_supported6(c,f):qeth_is_supported(c,f) -#define qeth_is_ipafunc_enabled(c,prot,f) \ - (prot==QETH_PROT_IPV6)? qeth_is_enabled6(c,f):qeth_is_enabled(c,f) - - -#define QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT 0x0101 -#define QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT 0x0101 -#define QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT 0x4108 -#define QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT 0x5108 - -#define QETH_MODELLIST_ARRAY \ - {{0x1731,0x01,0x1732,0x01,QETH_CARD_TYPE_OSAE,1, \ - QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \ - QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \ - QETH_MAX_QUEUES,0}, \ - {0x1731,0x05,0x1732,0x05,QETH_CARD_TYPE_IQD,0, \ - QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT, \ - QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT, \ - QETH_MAX_QUEUES,0x103}, \ - {0x1731,0x06,0x1732,0x06,QETH_CARD_TYPE_OSN,0, \ - QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \ - QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \ - QETH_MAX_QUEUES,0}, \ - {0,0,0,0,0,0,0,0,0}} - -#define QETH_REAL_CARD 1 -#define QETH_VLAN_CARD 2 -#define QETH_BUFSIZE 4096 - -/** - * some more defs - */ -#define IF_NAME_LEN 16 -#define QETH_TX_TIMEOUT 100 * HZ -#define QETH_RCD_TIMEOUT 60 * HZ -#define QETH_HEADER_SIZE 32 -#define MAX_PORTNO 15 -#define QETH_FAKE_LL_LEN_ETH ETH_HLEN -#define QETH_FAKE_LL_LEN_TR (sizeof(struct trh_hdr)-TR_MAXRIFLEN+sizeof(struct trllc)) -#define QETH_FAKE_LL_V6_ADDR_POS 24 - -/*IPv6 address autoconfiguration stuff*/ -#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe -#define UNIQUE_ID_NOT_BY_CARD 0x10000 - -/*****************************************************************************/ -/* QDIO queue and buffer handling */ -/*****************************************************************************/ -#define QETH_MAX_QUEUES 4 -#define QETH_IN_BUF_SIZE_DEFAULT 65536 -#define QETH_IN_BUF_COUNT_DEFAULT 16 -#define QETH_IN_BUF_COUNT_MIN 8 -#define QETH_IN_BUF_COUNT_MAX 128 -#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) -#define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ - ((card)->qdio.in_buf_pool.buf_count / 2) - -/* buffers we have to be behind before we get a PCI */ -#define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) -/*enqueued free buffers left before we get a PCI*/ -#define QETH_PCI_THRESHOLD_B(card) 0 -/*not used unless the microcode gets patched*/ -#define QETH_PCI_TIMER_VALUE(card) 3 - -#define QETH_MIN_INPUT_THRESHOLD 1 -#define QETH_MAX_INPUT_THRESHOLD 500 -#define QETH_MIN_OUTPUT_THRESHOLD 1 -#define QETH_MAX_OUTPUT_THRESHOLD 300 - -/* priority queing */ -#define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING -#define QETH_DEFAULT_QUEUE 2 -#define QETH_NO_PRIO_QUEUEING 0 -#define QETH_PRIO_Q_ING_PREC 1 -#define QETH_PRIO_Q_ING_TOS 2 -#define IP_TOS_LOWDELAY 0x10 -#define IP_TOS_HIGHTHROUGHPUT 0x08 -#define IP_TOS_HIGHRELIABILITY 0x04 -#define IP_TOS_NOTIMPORTANT 0x02 - -/* Packing */ -#define QETH_LOW_WATERMARK_PACK 2 -#define QETH_HIGH_WATERMARK_PACK 5 -#define QETH_WATERMARK_PACK_FUZZ 1 - -#define QETH_IP_HEADER_SIZE 40 - -/* large receive scatter gather copy break */ -#define QETH_RX_SG_CB (PAGE_SIZE >> 1) - -struct qeth_hdr_layer3 { - __u8 id; - __u8 flags; - __u16 inbound_checksum; /*TSO:__u16 seqno */ - __u32 token; /*TSO: __u32 reserved */ - __u16 length; - __u8 vlan_prio; - __u8 ext_flags; - __u16 vlan_id; - __u16 frame_offset; - __u8 dest_addr[16]; -} __attribute__ ((packed)); - -struct qeth_hdr_layer2 { - __u8 id; - __u8 flags[3]; - __u8 port_no; - __u8 hdr_length; - __u16 pkt_length; - __u16 seq_no; - __u16 vlan_id; - __u32 reserved; - __u8 reserved2[16]; -} __attribute__ ((packed)); - -struct qeth_hdr_osn { - __u8 id; - __u8 reserved; - __u16 seq_no; - __u16 reserved2; - __u16 control_flags; - __u16 pdu_length; - __u8 reserved3[18]; - __u32 ccid; -} __attribute__ ((packed)); - -struct qeth_hdr { - union { - struct qeth_hdr_layer2 l2; - struct qeth_hdr_layer3 l3; - struct qeth_hdr_osn osn; - } hdr; -} __attribute__ ((packed)); - -/*TCP Segmentation Offload header*/ -struct qeth_hdr_ext_tso { - __u16 hdr_tot_len; - __u8 imb_hdr_no; - __u8 reserved; - __u8 hdr_type; - __u8 hdr_version; - __u16 hdr_len; - __u32 payload_len; - __u16 mss; - __u16 dg_hdr_len; - __u8 padding[16]; -} __attribute__ ((packed)); - -struct qeth_hdr_tso { - struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ - struct qeth_hdr_ext_tso ext; -} __attribute__ ((packed)); - - -/* flags for qeth_hdr.flags */ -#define QETH_HDR_PASSTHRU 0x10 -#define QETH_HDR_IPV6 0x80 -#define QETH_HDR_CAST_MASK 0x07 -enum qeth_cast_flags { - QETH_CAST_UNICAST = 0x06, - QETH_CAST_MULTICAST = 0x04, - QETH_CAST_BROADCAST = 0x05, - QETH_CAST_ANYCAST = 0x07, - QETH_CAST_NOCAST = 0x00, -}; - -enum qeth_layer2_frame_flags { - QETH_LAYER2_FLAG_MULTICAST = 0x01, - QETH_LAYER2_FLAG_BROADCAST = 0x02, - QETH_LAYER2_FLAG_UNICAST = 0x04, - QETH_LAYER2_FLAG_VLAN = 0x10, -}; - -enum qeth_header_ids { - QETH_HEADER_TYPE_LAYER3 = 0x01, - QETH_HEADER_TYPE_LAYER2 = 0x02, - QETH_HEADER_TYPE_TSO = 0x03, - QETH_HEADER_TYPE_OSN = 0x04, -}; -/* flags for qeth_hdr.ext_flags */ -#define QETH_HDR_EXT_VLAN_FRAME 0x01 -#define QETH_HDR_EXT_TOKEN_ID 0x02 -#define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 -#define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 -#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 -#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 -#define QETH_HDR_EXT_UDP_TSO 0x40 /*bit off for TCP*/ - -static inline int -qeth_is_last_sbale(struct qdio_buffer_element *sbale) -{ - return (sbale->flags & SBAL_FLAGS_LAST_ENTRY); -} - -enum qeth_qdio_buffer_states { - /* - * inbound: read out by driver; owned by hardware in order to be filled - * outbound: owned by driver in order to be filled - */ - QETH_QDIO_BUF_EMPTY, - /* - * inbound: filled by hardware; owned by driver in order to be read out - * outbound: filled by driver; owned by hardware in order to be sent - */ - QETH_QDIO_BUF_PRIMED, -}; - -enum qeth_qdio_info_states { - QETH_QDIO_UNINITIALIZED, - QETH_QDIO_ALLOCATED, - QETH_QDIO_ESTABLISHED, - QETH_QDIO_CLEANING -}; - -struct qeth_buffer_pool_entry { - struct list_head list; - struct list_head init_list; - void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; -}; - -struct qeth_qdio_buffer_pool { - struct list_head entry_list; - int buf_count; -}; - -struct qeth_qdio_buffer { - struct qdio_buffer *buffer; - volatile enum qeth_qdio_buffer_states state; - /* the buffer pool entry currently associated to this buffer */ - struct qeth_buffer_pool_entry *pool_entry; -}; - -struct qeth_qdio_q { - struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; - struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; - /* - * buf_to_init means "buffer must be initialized by driver and must - * be made available for hardware" -> state is set to EMPTY - */ - volatile int next_buf_to_init; -} __attribute__ ((aligned(256))); - -/* possible types of qeth large_send support */ -enum qeth_large_send_types { - QETH_LARGE_SEND_NO, - QETH_LARGE_SEND_EDDP, - QETH_LARGE_SEND_TSO, -}; - -struct qeth_qdio_out_buffer { - struct qdio_buffer *buffer; - atomic_t state; - volatile int next_element_to_fill; - struct sk_buff_head skb_list; - struct list_head ctx_list; -}; - -struct qeth_card; - -enum qeth_out_q_states { - QETH_OUT_Q_UNLOCKED, - QETH_OUT_Q_LOCKED, - QETH_OUT_Q_LOCKED_FLUSH, -}; - -struct qeth_qdio_out_q { - struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; - struct qeth_qdio_out_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; - int queue_no; - struct qeth_card *card; - atomic_t state; - volatile int do_pack; - /* - * index of buffer to be filled by driver; state EMPTY or PACKING - */ - volatile int next_buf_to_fill; - /* - * number of buffers that are currently filled (PRIMED) - * -> these buffers are hardware-owned - */ - atomic_t used_buffers; - /* indicates whether PCI flag must be set (or if one is outstanding) */ - atomic_t set_pci_flags_count; -} __attribute__ ((aligned(256))); - -struct qeth_qdio_info { - atomic_t state; - /* input */ - struct qeth_qdio_q *in_q; - struct qeth_qdio_buffer_pool in_buf_pool; - struct qeth_qdio_buffer_pool init_pool; - int in_buf_size; - - /* output */ - int no_out_queues; - struct qeth_qdio_out_q **out_qs; - - /* priority queueing */ - int do_prio_queueing; - int default_out_queue; -}; - -enum qeth_send_errors { - QETH_SEND_ERROR_NONE, - QETH_SEND_ERROR_LINK_FAILURE, - QETH_SEND_ERROR_RETRY, - QETH_SEND_ERROR_KICK_IT, -}; - -#define QETH_ETH_MAC_V4 0x0100 /* like v4 */ -#define QETH_ETH_MAC_V6 0x3333 /* like v6 */ -/* tr mc mac is longer, but that will be enough to detect mc frames */ -#define QETH_TR_MAC_NC 0xc000 /* non-canonical */ -#define QETH_TR_MAC_C 0x0300 /* canonical */ - -#define DEFAULT_ADD_HHLEN 0 -#define MAX_ADD_HHLEN 1024 - -/** - * buffer stuff for read channel - */ -#define QETH_CMD_BUFFER_NO 8 - -/** - * channel state machine - */ -enum qeth_channel_states { - CH_STATE_UP, - CH_STATE_DOWN, - CH_STATE_ACTIVATING, - CH_STATE_HALTED, - CH_STATE_STOPPED, - CH_STATE_RCD, - CH_STATE_RCD_DONE, -}; -/** - * card state machine - */ -enum qeth_card_states { - CARD_STATE_DOWN, - CARD_STATE_HARDSETUP, - CARD_STATE_SOFTSETUP, - CARD_STATE_UP, - CARD_STATE_RECOVER, -}; - -/** - * Protocol versions - */ -enum qeth_prot_versions { - QETH_PROT_IPV4 = 0x0004, - QETH_PROT_IPV6 = 0x0006, -}; - -enum qeth_ip_types { - QETH_IP_TYPE_NORMAL, - QETH_IP_TYPE_VIPA, - QETH_IP_TYPE_RXIP, - QETH_IP_TYPE_DEL_ALL_MC, -}; - -enum qeth_cmd_buffer_state { - BUF_STATE_FREE, - BUF_STATE_LOCKED, - BUF_STATE_PROCESSED, -}; -/** - * IP address and multicast list - */ -struct qeth_ipaddr { - struct list_head entry; - enum qeth_ip_types type; - enum qeth_ipa_setdelip_flags set_flags; - enum qeth_ipa_setdelip_flags del_flags; - int is_multicast; - volatile int users; - enum qeth_prot_versions proto; - unsigned char mac[OSA_ADDR_LEN]; - union { - struct { - unsigned int addr; - unsigned int mask; - } a4; - struct { - struct in6_addr addr; - unsigned int pfxlen; - } a6; - } u; -}; - -struct qeth_ipato_entry { - struct list_head entry; - enum qeth_prot_versions proto; - char addr[16]; - int mask_bits; -}; - -struct qeth_ipato { - int enabled; - int invert4; - int invert6; - struct list_head entries; -}; - -struct qeth_channel; - -struct qeth_cmd_buffer { - enum qeth_cmd_buffer_state state; - struct qeth_channel *channel; - unsigned char *data; - int rc; - void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); -}; - - -/** - * definition of a qeth channel, used for read and write - */ -struct qeth_channel { - enum qeth_channel_states state; - struct ccw1 ccw; - spinlock_t iob_lock; - wait_queue_head_t wait_q; - struct tasklet_struct irq_tasklet; - struct ccw_device *ccwdev; -/*command buffer for control data*/ - struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; - atomic_t irq_pending; - volatile int io_buf_no; - volatile int buf_no; -}; - -/** - * OSA card related definitions - */ -struct qeth_token { - __u32 issuer_rm_w; - __u32 issuer_rm_r; - __u32 cm_filter_w; - __u32 cm_filter_r; - __u32 cm_connection_w; - __u32 cm_connection_r; - __u32 ulp_filter_w; - __u32 ulp_filter_r; - __u32 ulp_connection_w; - __u32 ulp_connection_r; -}; - -struct qeth_seqno { - __u32 trans_hdr; - __u32 pdu_hdr; - __u32 pdu_hdr_ack; - __u16 ipa; - __u32 pkt_seqno; -}; - -struct qeth_reply { - struct list_head list; - wait_queue_head_t wait_q; - int (*callback)(struct qeth_card *,struct qeth_reply *,unsigned long); - u32 seqno; - unsigned long offset; - atomic_t received; - int rc; - void *param; - struct qeth_card *card; - atomic_t refcnt; -}; - - -struct qeth_card_blkt { - int time_total; - int inter_packet; - int inter_packet_jumbo; -}; - -#define QETH_BROADCAST_WITH_ECHO 0x01 -#define QETH_BROADCAST_WITHOUT_ECHO 0x02 -#define QETH_LAYER2_MAC_READ 0x01 -#define QETH_LAYER2_MAC_REGISTERED 0x02 -struct qeth_card_info { - unsigned short unit_addr2; - unsigned short cula; - unsigned short chpid; - __u16 func_level; - char mcl_level[QETH_MCL_LENGTH + 1]; - int guestlan; - int mac_bits; - int portname_required; - int portno; - char portname[9]; - enum qeth_card_types type; - enum qeth_link_types link_type; - int is_multicast_different; - int initial_mtu; - int max_mtu; - int broadcast_capable; - int unique_id; - struct qeth_card_blkt blkt; - __u32 csum_mask; - enum qeth_ipa_promisc_modes promisc_mode; -}; - -struct qeth_card_options { - struct qeth_routing_info route4; - struct qeth_ipa_info ipa4; - struct qeth_ipa_info adp; /*Adapter parameters*/ -#ifdef CONFIG_QETH_IPV6 - struct qeth_routing_info route6; - struct qeth_ipa_info ipa6; -#endif /* QETH_IPV6 */ - enum qeth_checksum_types checksum_type; - int broadcast_mode; - int macaddr_mode; - int fake_broadcast; - int add_hhlen; - int fake_ll; - int layer2; - enum qeth_large_send_types large_send; - int performance_stats; - int rx_sg_cb; -}; - -/* - * thread bits for qeth_card thread masks - */ -enum qeth_threads { - QETH_SET_IP_THREAD = 1, - QETH_RECOVER_THREAD = 2, - QETH_SET_PROMISC_MODE_THREAD = 4, -}; - -struct qeth_osn_info { - int (*assist_cb)(struct net_device *dev, void *data); - int (*data_cb)(struct sk_buff *skb); -}; - -struct qeth_card { - struct list_head list; - enum qeth_card_states state; - int lan_online; - spinlock_t lock; -/*hardware and sysfs stuff*/ - struct ccwgroup_device *gdev; - struct qeth_channel read; - struct qeth_channel write; - struct qeth_channel data; - - struct net_device *dev; - struct net_device_stats stats; - - struct qeth_card_info info; - struct qeth_token token; - struct qeth_seqno seqno; - struct qeth_card_options options; - - wait_queue_head_t wait_q; -#ifdef CONFIG_QETH_VLAN - spinlock_t vlanlock; - struct vlan_group *vlangrp; -#endif - struct work_struct kernel_thread_starter; - spinlock_t thread_mask_lock; - volatile unsigned long thread_start_mask; - volatile unsigned long thread_allowed_mask; - volatile unsigned long thread_running_mask; - spinlock_t ip_lock; - struct list_head ip_list; - struct list_head *ip_tbd_list; - struct qeth_ipato ipato; - struct list_head cmd_waiter_list; - /* QDIO buffer handling */ - struct qeth_qdio_info qdio; - struct qeth_perf_stats perf_stats; - int use_hard_stop; - const struct header_ops *orig_header_ops; - struct qeth_osn_info osn_info; - atomic_t force_alloc_skb; -}; - -struct qeth_card_list_struct { - struct list_head list; - rwlock_t rwlock; -}; - -extern struct qeth_card_list_struct qeth_card_list; - -/*notifier list */ -struct qeth_notify_list_struct { - struct list_head list; - struct task_struct *task; - int signum; -}; -extern spinlock_t qeth_notify_lock; -extern struct list_head qeth_notify_list; - -/*some helper functions*/ - -#define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") - -static inline __u8 -qeth_get_ipa_adp_type(enum qeth_link_types link_type) -{ - switch (link_type) { - case QETH_LINK_TYPE_HSTR: - return 2; - default: - return 1; - } -} - -static inline struct sk_buff * -qeth_realloc_headroom(struct qeth_card *card, struct sk_buff *skb, int size) -{ - struct sk_buff *new_skb = skb; - - if (skb_headroom(skb) >= size) - return skb; - new_skb = skb_realloc_headroom(skb, size); - if (!new_skb) - PRINT_ERR("Could not realloc headroom for qeth_hdr " - "on interface %s", QETH_CARD_IFNAME(card)); - return new_skb; -} - -static inline struct sk_buff * -qeth_pskb_unshare(struct sk_buff *skb, gfp_t pri) -{ - struct sk_buff *nskb; - if (!skb_cloned(skb)) - return skb; - nskb = skb_copy(skb, pri); - return nskb; -} - -static inline void * -qeth_push_skb(struct qeth_card *card, struct sk_buff *skb, int size) -{ - void *hdr; - - hdr = (void *) skb_push(skb, size); - /* - * sanity check, the Linux memory allocation scheme should - * never present us cases like this one (the qdio header size plus - * the first 40 bytes of the paket cross a 4k boundary) - */ - if ((((unsigned long) hdr) & (~(PAGE_SIZE - 1))) != - (((unsigned long) hdr + size + - QETH_IP_HEADER_SIZE) & (~(PAGE_SIZE - 1)))) { - PRINT_ERR("Misaligned packet on interface %s. Discarded.", - QETH_CARD_IFNAME(card)); - return NULL; - } - return hdr; -} - - -static inline int -qeth_get_hlen(__u8 link_type) -{ -#ifdef CONFIG_QETH_IPV6 - switch (link_type) { - case QETH_LINK_TYPE_HSTR: - case QETH_LINK_TYPE_LANE_TR: - return sizeof(struct qeth_hdr_tso) + TR_HLEN; - default: -#ifdef CONFIG_QETH_VLAN - return sizeof(struct qeth_hdr_tso) + VLAN_ETH_HLEN; -#else - return sizeof(struct qeth_hdr_tso) + ETH_HLEN; -#endif - } -#else /* CONFIG_QETH_IPV6 */ -#ifdef CONFIG_QETH_VLAN - return sizeof(struct qeth_hdr_tso) + VLAN_HLEN; -#else - return sizeof(struct qeth_hdr_tso); -#endif -#endif /* CONFIG_QETH_IPV6 */ -} - -static inline unsigned short -qeth_get_netdev_flags(struct qeth_card *card) -{ - if (card->options.layer2 && - (card->info.type == QETH_CARD_TYPE_OSAE)) - return 0; - switch (card->info.type) { - case QETH_CARD_TYPE_IQD: - case QETH_CARD_TYPE_OSN: - return IFF_NOARP; -#ifdef CONFIG_QETH_IPV6 - default: - return 0; -#else - default: - return IFF_NOARP; -#endif - } -} - -static inline int -qeth_get_initial_mtu_for_card(struct qeth_card * card) -{ - switch (card->info.type) { - case QETH_CARD_TYPE_UNKNOWN: - return 1500; - case QETH_CARD_TYPE_IQD: - return card->info.max_mtu; - case QETH_CARD_TYPE_OSAE: - switch (card->info.link_type) { - case QETH_LINK_TYPE_HSTR: - case QETH_LINK_TYPE_LANE_TR: - return 2000; - default: - return 1492; - } - default: - return 1500; - } -} - -static inline int -qeth_get_max_mtu_for_card(int cardtype) -{ - switch (cardtype) { - - case QETH_CARD_TYPE_UNKNOWN: - case QETH_CARD_TYPE_OSAE: - case QETH_CARD_TYPE_OSN: - return 61440; - case QETH_CARD_TYPE_IQD: - return 57344; - default: - return 1500; - } -} - -static inline int -qeth_get_mtu_out_of_mpc(int cardtype) -{ - switch (cardtype) { - case QETH_CARD_TYPE_IQD: - return 1; - default: - return 0; - } -} - -static inline int -qeth_get_mtu_outof_framesize(int framesize) -{ - switch (framesize) { - case 0x4000: - return 8192; - case 0x6000: - return 16384; - case 0xa000: - return 32768; - case 0xffff: - return 57344; - default: - return 0; - } -} - -static inline int -qeth_mtu_is_valid(struct qeth_card * card, int mtu) -{ - switch (card->info.type) { - case QETH_CARD_TYPE_OSAE: - return ((mtu >= 576) && (mtu <= 61440)); - case QETH_CARD_TYPE_IQD: - return ((mtu >= 576) && - (mtu <= card->info.max_mtu + 4096 - 32)); - case QETH_CARD_TYPE_OSN: - case QETH_CARD_TYPE_UNKNOWN: - default: - return 1; - } -} - -static inline int -qeth_get_arphdr_type(int cardtype, int linktype) -{ - switch (cardtype) { - case QETH_CARD_TYPE_OSAE: - case QETH_CARD_TYPE_OSN: - switch (linktype) { - case QETH_LINK_TYPE_LANE_TR: - case QETH_LINK_TYPE_HSTR: - return ARPHRD_IEEE802_TR; - default: - return ARPHRD_ETHER; - } - case QETH_CARD_TYPE_IQD: - default: - return ARPHRD_ETHER; - } -} - -static inline int -qeth_get_micros(void) -{ - return (int) (get_clock() >> 12); -} - -static inline int -qeth_get_qdio_q_format(struct qeth_card *card) -{ - switch (card->info.type) { - case QETH_CARD_TYPE_IQD: - return 2; - default: - return 0; - } -} - -static inline int -qeth_isxdigit(char * buf) -{ - while (*buf) { - if (!isxdigit(*buf++)) - return 0; - } - return 1; -} - -static inline void -qeth_ipaddr4_to_string(const __u8 *addr, char *buf) -{ - sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]); -} - -static inline int -qeth_string_to_ipaddr4(const char *buf, __u8 *addr) -{ - int count = 0, rc = 0; - int in[4]; - char c; - - rc = sscanf(buf, "%u.%u.%u.%u%c", - &in[0], &in[1], &in[2], &in[3], &c); - if (rc != 4 && (rc != 5 || c != '\n')) - return -EINVAL; - for (count = 0; count < 4; count++) { - if (in[count] > 255) - return -EINVAL; - addr[count] = in[count]; - } - return 0; -} - -static inline void -qeth_ipaddr6_to_string(const __u8 *addr, char *buf) -{ - sprintf(buf, "%02x%02x:%02x%02x:%02x%02x:%02x%02x" - ":%02x%02x:%02x%02x:%02x%02x:%02x%02x", - addr[0], addr[1], addr[2], addr[3], - addr[4], addr[5], addr[6], addr[7], - addr[8], addr[9], addr[10], addr[11], - addr[12], addr[13], addr[14], addr[15]); -} - -static inline int -qeth_string_to_ipaddr6(const char *buf, __u8 *addr) -{ - const char *end, *end_tmp, *start; - __u16 *in; - char num[5]; - int num2, cnt, out, found, save_cnt; - unsigned short in_tmp[8] = {0, }; - - cnt = out = found = save_cnt = num2 = 0; - end = start = buf; - in = (__u16 *) addr; - memset(in, 0, 16); - while (*end) { - end = strchr(start,':'); - if (end == NULL) { - end = buf + strlen(buf); - if ((end_tmp = strchr(start, '\n')) != NULL) - end = end_tmp; - out = 1; - } - if ((end - start)) { - memset(num, 0, 5); - if ((end - start) > 4) - return -EINVAL; - memcpy(num, start, end - start); - if (!qeth_isxdigit(num)) - return -EINVAL; - sscanf(start, "%x", &num2); - if (found) - in_tmp[save_cnt++] = num2; - else - in[cnt++] = num2; - if (out) - break; - } else { - if (found) - return -EINVAL; - found = 1; - } - start = ++end; - } - if (cnt + save_cnt > 8) - return -EINVAL; - cnt = 7; - while (save_cnt) - in[cnt--] = in_tmp[--save_cnt]; - return 0; -} - -static inline void -qeth_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr, - char *buf) -{ - if (proto == QETH_PROT_IPV4) - qeth_ipaddr4_to_string(addr, buf); - else if (proto == QETH_PROT_IPV6) - qeth_ipaddr6_to_string(addr, buf); -} - -static inline int -qeth_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto, - __u8 *addr) -{ - if (proto == QETH_PROT_IPV4) - return qeth_string_to_ipaddr4(buf, addr); - else if (proto == QETH_PROT_IPV6) - return qeth_string_to_ipaddr6(buf, addr); - else - return -EINVAL; -} - -extern int -qeth_setrouting_v4(struct qeth_card *); -extern int -qeth_setrouting_v6(struct qeth_card *); - -extern int -qeth_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *); - -extern void -qeth_del_ipato_entry(struct qeth_card *, enum qeth_prot_versions, u8 *, int); - -extern int -qeth_add_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *); - -extern void -qeth_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *); - -extern int -qeth_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *); - -extern void -qeth_del_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *); - -extern int -qeth_notifier_register(struct task_struct *, int ); - -extern int -qeth_notifier_unregister(struct task_struct * ); - -extern void -qeth_schedule_recovery(struct qeth_card *); - -extern int -qeth_realloc_buffer_pool(struct qeth_card *, int); - -extern int -qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types); - -extern void -qeth_fill_header(struct qeth_card *, struct qeth_hdr *, - struct sk_buff *, int, int); -extern void -qeth_flush_buffers(struct qeth_qdio_out_q *, int, int, int); - -extern int -qeth_osn_assist(struct net_device *, void *, int); - -extern int -qeth_osn_register(unsigned char *read_dev_no, - struct net_device **, - int (*assist_cb)(struct net_device *, void *), - int (*data_cb)(struct sk_buff *)); - -extern void -qeth_osn_deregister(struct net_device *); - -#endif /* __QETH_H__ */ diff --git a/drivers/s390/net/qeth_eddp.c b/drivers/s390/net/qeth_eddp.c deleted file mode 100644 index e3c268cfbffe..000000000000 --- a/drivers/s390/net/qeth_eddp.c +++ /dev/null @@ -1,634 +0,0 @@ -/* - * linux/drivers/s390/net/qeth_eddp.c - * - * Enhanced Device Driver Packing (EDDP) support for the qeth driver. - * - * Copyright 2004 IBM Corporation - * - * Author(s): Thomas Spatzier <tspat@de.ibm.com> - * - */ -#include <linux/errno.h> -#include <linux/ip.h> -#include <linux/inetdevice.h> -#include <linux/netdevice.h> -#include <linux/kernel.h> -#include <linux/tcp.h> -#include <net/tcp.h> -#include <linux/skbuff.h> - -#include <net/ip.h> - -#include "qeth.h" -#include "qeth_mpc.h" -#include "qeth_eddp.h" - -int -qeth_eddp_check_buffers_for_context(struct qeth_qdio_out_q *queue, - struct qeth_eddp_context *ctx) -{ - int index = queue->next_buf_to_fill; - int elements_needed = ctx->num_elements; - int elements_in_buffer; - int skbs_in_buffer; - int buffers_needed = 0; - - QETH_DBF_TEXT(trace, 5, "eddpcbfc"); - while(elements_needed > 0) { - buffers_needed++; - if (atomic_read(&queue->bufs[index].state) != - QETH_QDIO_BUF_EMPTY) - return -EBUSY; - - elements_in_buffer = QETH_MAX_BUFFER_ELEMENTS(queue->card) - - queue->bufs[index].next_element_to_fill; - skbs_in_buffer = elements_in_buffer / ctx->elements_per_skb; - elements_needed -= skbs_in_buffer * ctx->elements_per_skb; - index = (index + 1) % QDIO_MAX_BUFFERS_PER_Q; - } - return buffers_needed; -} - -static void -qeth_eddp_free_context(struct qeth_eddp_context *ctx) -{ - int i; - - QETH_DBF_TEXT(trace, 5, "eddpfctx"); - for (i = 0; i < ctx->num_pages; ++i) - free_page((unsigned long)ctx->pages[i]); - kfree(ctx->pages); - kfree(ctx->elements); - kfree(ctx); -} - - -static inline void -qeth_eddp_get_context(struct qeth_eddp_context *ctx) -{ - atomic_inc(&ctx->refcnt); -} - -void -qeth_eddp_put_context(struct qeth_eddp_context *ctx) -{ - if (atomic_dec_return(&ctx->refcnt) == 0) - qeth_eddp_free_context(ctx); -} - -void -qeth_eddp_buf_release_contexts(struct qeth_qdio_out_buffer *buf) -{ - struct qeth_eddp_context_reference *ref; - - QETH_DBF_TEXT(trace, 6, "eddprctx"); - while (!list_empty(&buf->ctx_list)){ - ref = list_entry(buf->ctx_list.next, - struct qeth_eddp_context_reference, list); - qeth_eddp_put_context(ref->ctx); - list_del(&ref->list); - kfree(ref); - } -} - -static int -qeth_eddp_buf_ref_context(struct qeth_qdio_out_buffer *buf, - struct qeth_eddp_context *ctx) -{ - struct qeth_eddp_context_reference *ref; - - QETH_DBF_TEXT(trace, 6, "eddprfcx"); - ref = kmalloc(sizeof(struct qeth_eddp_context_reference), GFP_ATOMIC); - if (ref == NULL) - return -ENOMEM; - qeth_eddp_get_context(ctx); - ref->ctx = ctx; - list_add_tail(&ref->list, &buf->ctx_list); - return 0; -} - -int -qeth_eddp_fill_buffer(struct qeth_qdio_out_q *queue, - struct qeth_eddp_context *ctx, - int index) -{ - struct qeth_qdio_out_buffer *buf = NULL; - struct qdio_buffer *buffer; - int elements = ctx->num_elements; - int element = 0; - int flush_cnt = 0; - int must_refcnt = 1; - int i; - - QETH_DBF_TEXT(trace, 5, "eddpfibu"); - while (elements > 0) { - buf = &queue->bufs[index]; - if (atomic_read(&buf->state) != QETH_QDIO_BUF_EMPTY){ - /* normally this should not happen since we checked for - * available elements in qeth_check_elements_for_context - */ - if (element == 0) - return -EBUSY; - else { - PRINT_WARN("could only partially fill eddp " - "buffer!\n"); - goto out; - } - } - /* check if the whole next skb fits into current buffer */ - if ((QETH_MAX_BUFFER_ELEMENTS(queue->card) - - buf->next_element_to_fill) - < ctx->elements_per_skb){ - /* no -> go to next buffer */ - atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); - index = (index + 1) % QDIO_MAX_BUFFERS_PER_Q; - flush_cnt++; - /* new buffer, so we have to add ctx to buffer'ctx_list - * and increment ctx's refcnt */ - must_refcnt = 1; - continue; - } - if (must_refcnt){ - must_refcnt = 0; - if (qeth_eddp_buf_ref_context(buf, ctx)){ - PRINT_WARN("no memory to create eddp context " - "reference\n"); - goto out_check; - } - } - buffer = buf->buffer; - /* fill one skb into buffer */ - for (i = 0; i < ctx->elements_per_skb; ++i){ - if (ctx->elements[element].length != 0) { - buffer->element[buf->next_element_to_fill]. - addr = ctx->elements[element].addr; - buffer->element[buf->next_element_to_fill]. - length = ctx->elements[element].length; - buffer->element[buf->next_element_to_fill]. - flags = ctx->elements[element].flags; - buf->next_element_to_fill++; - } - element++; - elements--; - } - } -out_check: - if (!queue->do_pack) { - QETH_DBF_TEXT(trace, 6, "fillbfnp"); - /* set state to PRIMED -> will be flushed */ - if (buf->next_element_to_fill > 0){ - atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); - flush_cnt++; - } - } else { - if (queue->card->options.performance_stats) - queue->card->perf_stats.skbs_sent_pack++; - QETH_DBF_TEXT(trace, 6, "fillbfpa"); - if (buf->next_element_to_fill >= - QETH_MAX_BUFFER_ELEMENTS(queue->card)) { - /* - * packed buffer if full -> set state PRIMED - * -> will be flushed - */ - atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); - flush_cnt++; - } - } -out: - return flush_cnt; -} - -static void -qeth_eddp_create_segment_hdrs(struct qeth_eddp_context *ctx, - struct qeth_eddp_data *eddp, int data_len) -{ - u8 *page; - int page_remainder; - int page_offset; - int pkt_len; - struct qeth_eddp_element *element; - - QETH_DBF_TEXT(trace, 5, "eddpcrsh"); - page = ctx->pages[ctx->offset >> PAGE_SHIFT]; - page_offset = ctx->offset % PAGE_SIZE; - element = &ctx->elements[ctx->num_elements]; - pkt_len = eddp->nhl + eddp->thl + data_len; - /* FIXME: layer2 and VLAN !!! */ - if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2) - pkt_len += ETH_HLEN; - if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)) - pkt_len += VLAN_HLEN; - /* does complete packet fit in current page ? */ - page_remainder = PAGE_SIZE - page_offset; - if (page_remainder < (sizeof(struct qeth_hdr) + pkt_len)){ - /* no -> go to start of next page */ - ctx->offset += page_remainder; - page = ctx->pages[ctx->offset >> PAGE_SHIFT]; - page_offset = 0; - } - memcpy(page + page_offset, &eddp->qh, sizeof(struct qeth_hdr)); - element->addr = page + page_offset; - element->length = sizeof(struct qeth_hdr); - ctx->offset += sizeof(struct qeth_hdr); - page_offset += sizeof(struct qeth_hdr); - /* add mac header (?) */ - if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2){ - memcpy(page + page_offset, &eddp->mac, ETH_HLEN); - element->length += ETH_HLEN; - ctx->offset += ETH_HLEN; - page_offset += ETH_HLEN; - } - /* add VLAN tag */ - if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)){ - memcpy(page + page_offset, &eddp->vlan, VLAN_HLEN); - element->length += VLAN_HLEN; - ctx->offset += VLAN_HLEN; - page_offset += VLAN_HLEN; - } - /* add network header */ - memcpy(page + page_offset, (u8 *)&eddp->nh, eddp->nhl); - element->length += eddp->nhl; - eddp->nh_in_ctx = page + page_offset; - ctx->offset += eddp->nhl; - page_offset += eddp->nhl; - /* add transport header */ - memcpy(page + page_offset, (u8 *)&eddp->th, eddp->thl); - element->length += eddp->thl; - eddp->th_in_ctx = page + page_offset; - ctx->offset += eddp->thl; -} - -static void -qeth_eddp_copy_data_tcp(char *dst, struct qeth_eddp_data *eddp, int len, - __wsum *hcsum) -{ - struct skb_frag_struct *frag; - int left_in_frag; - int copy_len; - u8 *src; - - QETH_DBF_TEXT(trace, 5, "eddpcdtc"); - if (skb_shinfo(eddp->skb)->nr_frags == 0) { - skb_copy_from_linear_data_offset(eddp->skb, eddp->skb_offset, - dst, len); - *hcsum = csum_partial(eddp->skb->data + eddp->skb_offset, len, - *hcsum); - eddp->skb_offset += len; - } else { - while (len > 0) { - if (eddp->frag < 0) { - /* we're in skb->data */ - left_in_frag = (eddp->skb->len - eddp->skb->data_len) - - eddp->skb_offset; - src = eddp->skb->data + eddp->skb_offset; - } else { - frag = &skb_shinfo(eddp->skb)-> - frags[eddp->frag]; - left_in_frag = frag->size - eddp->frag_offset; - src = (u8 *)( - (page_to_pfn(frag->page) << PAGE_SHIFT)+ - frag->page_offset + eddp->frag_offset); - } - if (left_in_frag <= 0) { - eddp->frag++; - eddp->frag_offset = 0; - continue; - } - copy_len = min(left_in_frag, len); - memcpy(dst, src, copy_len); - *hcsum = csum_partial(src, copy_len, *hcsum); - dst += copy_len; - eddp->frag_offset += copy_len; - eddp->skb_offset += copy_len; - len -= copy_len; - } - } -} - -static void -qeth_eddp_create_segment_data_tcp(struct qeth_eddp_context *ctx, - struct qeth_eddp_data *eddp, int data_len, - __wsum hcsum) -{ - u8 *page; - int page_remainder; - int page_offset; - struct qeth_eddp_element *element; - int first_lap = 1; - - QETH_DBF_TEXT(trace, 5, "eddpcsdt"); - page = ctx->pages[ctx->offset >> PAGE_SHIFT]; - page_offset = ctx->offset % PAGE_SIZE; - element = &ctx->elements[ctx->num_elements]; - while (data_len){ - page_remainder = PAGE_SIZE - page_offset; - if (page_remainder < data_len){ - qeth_eddp_copy_data_tcp(page + page_offset, eddp, - page_remainder, &hcsum); - element->length += page_remainder; - if (first_lap) - element->flags = SBAL_FLAGS_FIRST_FRAG; - else - element->flags = SBAL_FLAGS_MIDDLE_FRAG; - ctx->num_elements++; - element++; - data_len -= page_remainder; - ctx->offset += page_remainder; - page = ctx->pages[ctx->offset >> PAGE_SHIFT]; - page_offset = 0; - element->addr = page + page_offset; - } else { - qeth_eddp_copy_data_tcp(page + page_offset, eddp, - data_len, &hcsum); - element->length += data_len; - if (!first_lap) - element->flags = SBAL_FLAGS_LAST_FRAG; - ctx->num_elements++; - ctx->offset += data_len; - data_len = 0; - } - first_lap = 0; - } - ((struct tcphdr *)eddp->th_in_ctx)->check = csum_fold(hcsum); -} - -static __wsum -qeth_eddp_check_tcp4_hdr(struct qeth_eddp_data *eddp, int data_len) -{ - __wsum phcsum; /* pseudo header checksum */ - - QETH_DBF_TEXT(trace, 5, "eddpckt4"); - eddp->th.tcp.h.check = 0; - /* compute pseudo header checksum */ - phcsum = csum_tcpudp_nofold(eddp->nh.ip4.h.saddr, eddp->nh.ip4.h.daddr, - eddp->thl + data_len, IPPROTO_TCP, 0); - /* compute checksum of tcp header */ - return csum_partial((u8 *)&eddp->th, eddp->thl, phcsum); -} - -static __wsum -qeth_eddp_check_tcp6_hdr(struct qeth_eddp_data *eddp, int data_len) -{ - __be32 proto; - __wsum phcsum; /* pseudo header checksum */ - - QETH_DBF_TEXT(trace, 5, "eddpckt6"); - eddp->th.tcp.h.check = 0; - /* compute pseudo header checksum */ - phcsum = csum_partial((u8 *)&eddp->nh.ip6.h.saddr, - sizeof(struct in6_addr), 0); - phcsum = csum_partial((u8 *)&eddp->nh.ip6.h.daddr, - sizeof(struct in6_addr), phcsum); - proto = htonl(IPPROTO_TCP); - phcsum = csum_partial((u8 *)&proto, sizeof(u32), phcsum); - return phcsum; -} - -static struct qeth_eddp_data * -qeth_eddp_create_eddp_data(struct qeth_hdr *qh, u8 *nh, u8 nhl, u8 *th, u8 thl) -{ - struct qeth_eddp_data *eddp; - - QETH_DBF_TEXT(trace, 5, "eddpcrda"); - eddp = kzalloc(sizeof(struct qeth_eddp_data), GFP_ATOMIC); - if (eddp){ - eddp->nhl = nhl; - eddp->thl = thl; - memcpy(&eddp->qh, qh, sizeof(struct qeth_hdr)); - memcpy(&eddp->nh, nh, nhl); - memcpy(&eddp->th, th, thl); - eddp->frag = -1; /* initially we're in skb->data */ - } - return eddp; -} - -static void -__qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, - struct qeth_eddp_data *eddp) -{ - struct tcphdr *tcph; - int data_len; - __wsum hcsum; - - QETH_DBF_TEXT(trace, 5, "eddpftcp"); - eddp->skb_offset = sizeof(struct qeth_hdr) + eddp->nhl + eddp->thl; - if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2) { - eddp->skb_offset += sizeof(struct ethhdr); -#ifdef CONFIG_QETH_VLAN - if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)) - eddp->skb_offset += VLAN_HLEN; -#endif /* CONFIG_QETH_VLAN */ - } - tcph = tcp_hdr(eddp->skb); - while (eddp->skb_offset < eddp->skb->len) { - data_len = min((int)skb_shinfo(eddp->skb)->gso_size, - (int)(eddp->skb->len - eddp->skb_offset)); - /* prepare qdio hdr */ - if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2){ - eddp->qh.hdr.l2.pkt_length = data_len + ETH_HLEN + - eddp->nhl + eddp->thl; -#ifdef CONFIG_QETH_VLAN - if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)) - eddp->qh.hdr.l2.pkt_length += VLAN_HLEN; -#endif /* CONFIG_QETH_VLAN */ - } else - eddp->qh.hdr.l3.length = data_len + eddp->nhl + - eddp->thl; - /* prepare ip hdr */ - if (eddp->skb->protocol == htons(ETH_P_IP)){ - eddp->nh.ip4.h.tot_len = htons(data_len + eddp->nhl + - eddp->thl); - eddp->nh.ip4.h.check = 0; - eddp->nh.ip4.h.check = - ip_fast_csum((u8 *)&eddp->nh.ip4.h, - eddp->nh.ip4.h.ihl); - } else - eddp->nh.ip6.h.payload_len = htons(data_len + eddp->thl); - /* prepare tcp hdr */ - if (data_len == (eddp->skb->len - eddp->skb_offset)){ - /* last segment -> set FIN and PSH flags */ - eddp->th.tcp.h.fin = tcph->fin; - eddp->th.tcp.h.psh = tcph->psh; - } - if (eddp->skb->protocol == htons(ETH_P_IP)) - hcsum = qeth_eddp_check_tcp4_hdr(eddp, data_len); - else - hcsum = qeth_eddp_check_tcp6_hdr(eddp, data_len); - /* fill the next segment into the context */ - qeth_eddp_create_segment_hdrs(ctx, eddp, data_len); - qeth_eddp_create_segment_data_tcp(ctx, eddp, data_len, hcsum); - if (eddp->skb_offset >= eddp->skb->len) - break; - /* prepare headers for next round */ - if (eddp->skb->protocol == htons(ETH_P_IP)) - eddp->nh.ip4.h.id = htons(ntohs(eddp->nh.ip4.h.id) + 1); - eddp->th.tcp.h.seq = htonl(ntohl(eddp->th.tcp.h.seq) + data_len); - } -} - -static int -qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, - struct sk_buff *skb, struct qeth_hdr *qhdr) -{ - struct qeth_eddp_data *eddp = NULL; - - QETH_DBF_TEXT(trace, 5, "eddpficx"); - /* create our segmentation headers and copy original headers */ - if (skb->protocol == htons(ETH_P_IP)) - eddp = qeth_eddp_create_eddp_data(qhdr, - skb_network_header(skb), - ip_hdrlen(skb), - skb_transport_header(skb), - tcp_hdrlen(skb)); - else - eddp = qeth_eddp_create_eddp_data(qhdr, - skb_network_header(skb), - sizeof(struct ipv6hdr), - skb_transport_header(skb), - tcp_hdrlen(skb)); - - if (eddp == NULL) { - QETH_DBF_TEXT(trace, 2, "eddpfcnm"); - return -ENOMEM; - } - if (qhdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2) { - skb_set_mac_header(skb, sizeof(struct qeth_hdr)); - memcpy(&eddp->mac, eth_hdr(skb), ETH_HLEN); -#ifdef CONFIG_QETH_VLAN - if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)) { - eddp->vlan[0] = skb->protocol; - eddp->vlan[1] = htons(vlan_tx_tag_get(skb)); - } -#endif /* CONFIG_QETH_VLAN */ - } - /* the next flags will only be set on the last segment */ - eddp->th.tcp.h.fin = 0; - eddp->th.tcp.h.psh = 0; - eddp->skb = skb; - /* begin segmentation and fill context */ - __qeth_eddp_fill_context_tcp(ctx, eddp); - kfree(eddp); - return 0; -} - -static void -qeth_eddp_calc_num_pages(struct qeth_eddp_context *ctx, struct sk_buff *skb, - int hdr_len) -{ - int skbs_per_page; - - QETH_DBF_TEXT(trace, 5, "eddpcanp"); - /* can we put multiple skbs in one page? */ - skbs_per_page = PAGE_SIZE / (skb_shinfo(skb)->gso_size + hdr_len); - if (skbs_per_page > 1){ - ctx->num_pages = (skb_shinfo(skb)->gso_segs + 1) / - skbs_per_page + 1; - ctx->elements_per_skb = 1; - } else { - /* no -> how many elements per skb? */ - ctx->elements_per_skb = (skb_shinfo(skb)->gso_size + hdr_len + - PAGE_SIZE) >> PAGE_SHIFT; - ctx->num_pages = ctx->elements_per_skb * - (skb_shinfo(skb)->gso_segs + 1); - } - ctx->num_elements = ctx->elements_per_skb * - (skb_shinfo(skb)->gso_segs + 1); -} - -static struct qeth_eddp_context * -qeth_eddp_create_context_generic(struct qeth_card *card, struct sk_buff *skb, - int hdr_len) -{ - struct qeth_eddp_context *ctx = NULL; - u8 *addr; - int i; - - QETH_DBF_TEXT(trace, 5, "creddpcg"); - /* create the context and allocate pages */ - ctx = kzalloc(sizeof(struct qeth_eddp_context), GFP_ATOMIC); - if (ctx == NULL){ - QETH_DBF_TEXT(trace, 2, "ceddpcn1"); - return NULL; - } - ctx->type = QETH_LARGE_SEND_EDDP; - qeth_eddp_calc_num_pages(ctx, skb, hdr_len); - if (ctx->elements_per_skb > QETH_MAX_BUFFER_ELEMENTS(card)){ - QETH_DBF_TEXT(trace, 2, "ceddpcis"); - kfree(ctx); - return NULL; - } - ctx->pages = kcalloc(ctx->num_pages, sizeof(u8 *), GFP_ATOMIC); - if (ctx->pages == NULL){ - QETH_DBF_TEXT(trace, 2, "ceddpcn2"); - kfree(ctx); - return NULL; - } - for (i = 0; i < ctx->num_pages; ++i){ - addr = (u8 *)__get_free_page(GFP_ATOMIC); - if (addr == NULL){ - QETH_DBF_TEXT(trace, 2, "ceddpcn3"); - ctx->num_pages = i; - qeth_eddp_free_context(ctx); - return NULL; - } - memset(addr, 0, PAGE_SIZE); - ctx->pages[i] = addr; - } - ctx->elements = kcalloc(ctx->num_elements, - sizeof(struct qeth_eddp_element), GFP_ATOMIC); - if (ctx->elements == NULL){ - QETH_DBF_TEXT(trace, 2, "ceddpcn4"); - qeth_eddp_free_context(ctx); - return NULL; - } - /* reset num_elements; will be incremented again in fill_buffer to - * reflect number of actually used elements */ - ctx->num_elements = 0; - return ctx; -} - -static struct qeth_eddp_context * -qeth_eddp_create_context_tcp(struct qeth_card *card, struct sk_buff *skb, - struct qeth_hdr *qhdr) -{ - struct qeth_eddp_context *ctx = NULL; - - QETH_DBF_TEXT(trace, 5, "creddpct"); - if (skb->protocol == htons(ETH_P_IP)) - ctx = qeth_eddp_create_context_generic(card, skb, - (sizeof(struct qeth_hdr) + - ip_hdrlen(skb) + - tcp_hdrlen(skb))); - else if (skb->protocol == htons(ETH_P_IPV6)) - ctx = qeth_eddp_create_context_generic(card, skb, - sizeof(struct qeth_hdr) + sizeof(struct ipv6hdr) + - tcp_hdrlen(skb)); - else - QETH_DBF_TEXT(trace, 2, "cetcpinv"); - - if (ctx == NULL) { - QETH_DBF_TEXT(trace, 2, "creddpnl"); - return NULL; - } - if (qeth_eddp_fill_context_tcp(ctx, skb, qhdr)){ - QETH_DBF_TEXT(trace, 2, "ceddptfe"); - qeth_eddp_free_context(ctx); - return NULL; - } - atomic_set(&ctx->refcnt, 1); - return ctx; -} - -struct qeth_eddp_context * -qeth_eddp_create_context(struct qeth_card *card, struct sk_buff *skb, - struct qeth_hdr *qhdr, unsigned char sk_protocol) -{ - QETH_DBF_TEXT(trace, 5, "creddpc"); - switch (sk_protocol) { - case IPPROTO_TCP: - return qeth_eddp_create_context_tcp(card, skb, qhdr); - default: - QETH_DBF_TEXT(trace, 2, "eddpinvp"); - } - return NULL; -} diff --git a/drivers/s390/net/qeth_eddp.h b/drivers/s390/net/qeth_eddp.h deleted file mode 100644 index 52910c9252c0..000000000000 --- a/drivers/s390/net/qeth_eddp.h +++ /dev/null @@ -1,84 +0,0 @@ -/* - * linux/drivers/s390/net/qeth_eddp.h - * - * Header file for qeth enhanced device driver packing. - * - * Copyright 2004 IBM Corporation - * - * Author(s): Thomas Spatzier <tspat@de.ibm.com> - * - */ -#ifndef __QETH_EDDP_H__ -#define __QETH_EDDP_H__ - -struct qeth_eddp_element { - u32 flags; - u32 length; - void *addr; -}; - -struct qeth_eddp_context { - atomic_t refcnt; - enum qeth_large_send_types type; - int num_pages; /* # of allocated pages */ - u8 **pages; /* pointers to pages */ - int offset; /* offset in ctx during creation */ - int num_elements; /* # of required 'SBALEs' */ - struct qeth_eddp_element *elements; /* array of 'SBALEs' */ - int elements_per_skb; /* # of 'SBALEs' per skb **/ -}; - -struct qeth_eddp_context_reference { - struct list_head list; - struct qeth_eddp_context *ctx; -}; - -extern struct qeth_eddp_context * -qeth_eddp_create_context(struct qeth_card *,struct sk_buff *, - struct qeth_hdr *, unsigned char); - -extern void -qeth_eddp_put_context(struct qeth_eddp_context *); - -extern int -qeth_eddp_fill_buffer(struct qeth_qdio_out_q *,struct qeth_eddp_context *,int); - -extern void -qeth_eddp_buf_release_contexts(struct qeth_qdio_out_buffer *); - -extern int -qeth_eddp_check_buffers_for_context(struct qeth_qdio_out_q *, - struct qeth_eddp_context *); -/* - * Data used for fragmenting a IP packet. - */ -struct qeth_eddp_data { - struct qeth_hdr qh; - struct ethhdr mac; - __be16 vlan[2]; - union { - struct { - struct iphdr h; - u8 options[40]; - } ip4; - struct { - struct ipv6hdr h; - } ip6; - } nh; - u8 nhl; - void *nh_in_ctx; /* address of nh within the ctx */ - union { - struct { - struct tcphdr h; - u8 options[40]; - } tcp; - } th; - u8 thl; - void *th_in_ctx; /* address of th within the ctx */ - struct sk_buff *skb; - int skb_offset; - int frag; - int frag_offset; -} __attribute__ ((packed)); - -#endif /* __QETH_EDDP_H__ */ diff --git a/drivers/s390/net/qeth_fs.h b/drivers/s390/net/qeth_fs.h deleted file mode 100644 index 61faf05517d6..000000000000 --- a/drivers/s390/net/qeth_fs.h +++ /dev/null @@ -1,168 +0,0 @@ -/* - * linux/drivers/s390/net/qeth_fs.h - * - * Linux on zSeries OSA Express and HiperSockets support. - * - * This header file contains definitions related to sysfs and procfs. - * - * Copyright 2000,2003 IBM Corporation - * Author(s): Thomas Spatzier <tspat@de.ibm.com> - * - */ -#ifndef __QETH_FS_H__ -#define __QETH_FS_H__ - -#ifdef CONFIG_PROC_FS -extern int -qeth_create_procfs_entries(void); - -extern void -qeth_remove_procfs_entries(void); -#else -static inline int -qeth_create_procfs_entries(void) -{ - return 0; -} - -static inline void -qeth_remove_procfs_entries(void) -{ -} -#endif /* CONFIG_PROC_FS */ - -extern int -qeth_create_device_attributes(struct device *dev); - -extern void -qeth_remove_device_attributes(struct device *dev); - -extern int -qeth_create_device_attributes_osn(struct device *dev); - -extern void -qeth_remove_device_attributes_osn(struct device *dev); - -extern int -qeth_create_driver_attributes(void); - -extern void -qeth_remove_driver_attributes(void); - -/* - * utility functions used in qeth_proc.c and qeth_sys.c - */ - -static inline const char * -qeth_get_checksum_str(struct qeth_card *card) -{ - if (card->options.checksum_type == SW_CHECKSUMMING) - return "sw"; - else if (card->options.checksum_type == HW_CHECKSUMMING) - return "hw"; - else - return "no"; -} - -static inline const char * -qeth_get_prioq_str(struct qeth_card *card, char *buf) -{ - if (card->qdio.do_prio_queueing == QETH_NO_PRIO_QUEUEING) - sprintf(buf, "always_q_%i", card->qdio.default_out_queue); - else - strcpy(buf, (card->qdio.do_prio_queueing == - QETH_PRIO_Q_ING_PREC)? - "by_prec." : "by_ToS"); - return buf; -} - -static inline const char * -qeth_get_bufsize_str(struct qeth_card *card) -{ - if (card->qdio.in_buf_size == 16384) - return "16k"; - else if (card->qdio.in_buf_size == 24576) - return "24k"; - else if (card->qdio.in_buf_size == 32768) - return "32k"; - else if (card->qdio.in_buf_size == 40960) - return "40k"; - else - return "64k"; -} - -static inline const char * -qeth_get_cardname(struct qeth_card *card) -{ - if (card->info.guestlan) { - switch (card->info.type) { - case QETH_CARD_TYPE_OSAE: - return " Guest LAN QDIO"; - case QETH_CARD_TYPE_IQD: - return " Guest LAN Hiper"; - default: - return " unknown"; - } - } else { - switch (card->info.type) { - case QETH_CARD_TYPE_OSAE: - return " OSD Express"; - case QETH_CARD_TYPE_IQD: - return " HiperSockets"; - case QETH_CARD_TYPE_OSN: - return " OSN QDIO"; - default: - return " unknown"; - } - } - return " n/a"; -} - -/* max length to be returned: 14 */ -static inline const char * -qeth_get_cardname_short(struct qeth_card *card) -{ - if (card->info.guestlan){ - switch (card->info.type){ - case QETH_CARD_TYPE_OSAE: - return "GuestLAN QDIO"; - case QETH_CARD_TYPE_IQD: - return "GuestLAN Hiper"; - default: - return "unknown"; - } - } else { - switch (card->info.type) { - case QETH_CARD_TYPE_OSAE: - switch (card->info.link_type) { - case QETH_LINK_TYPE_FAST_ETH: - return "OSD_100"; - case QETH_LINK_TYPE_HSTR: - return "HSTR"; - case QETH_LINK_TYPE_GBIT_ETH: - return "OSD_1000"; - case QETH_LINK_TYPE_10GBIT_ETH: - return "OSD_10GIG"; - case QETH_LINK_TYPE_LANE_ETH100: - return "OSD_FE_LANE"; - case QETH_LINK_TYPE_LANE_TR: - return "OSD_TR_LANE"; - case QETH_LINK_TYPE_LANE_ETH1000: - return "OSD_GbE_LANE"; - case QETH_LINK_TYPE_LANE: - return "OSD_ATM_LANE"; - default: - return "OSD_Express"; - } - case QETH_CARD_TYPE_IQD: - return "HiperSockets"; - case QETH_CARD_TYPE_OSN: - return "OSN"; - default: - return "unknown"; - } - } - return "n/a"; -} - -#endif /* __QETH_FS_H__ */ diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c deleted file mode 100644 index 62606ce26e55..000000000000 --- a/drivers/s390/net/qeth_main.c +++ /dev/null @@ -1,8956 +0,0 @@ -/* - * linux/drivers/s390/net/qeth_main.c - * - * Linux on zSeries OSA Express and HiperSockets support - * - * Copyright 2000,2003 IBM Corporation - * - * Author(s): Original Code written by - * Utz Bacher (utz.bacher@de.ibm.com) - * Rewritten by - * Frank Pavlic (fpavlic@de.ibm.com) and - * Thomas Spatzier <tspat@de.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/mm.h> -#include <linux/ip.h> -#include <linux/inetdevice.h> -#include <linux/netdevice.h> -#include <linux/sched.h> -#include <linux/workqueue.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/tcp.h> -#include <linux/icmp.h> -#include <linux/skbuff.h> -#include <linux/in.h> -#include <linux/igmp.h> -#include <linux/init.h> -#include <linux/reboot.h> -#include <linux/mii.h> -#include <linux/rcupdate.h> -#include <linux/ethtool.h> - -#include <net/arp.h> -#include <net/ip.h> -#include <net/route.h> - -#include <asm/ebcdic.h> -#include <asm/io.h> -#include <asm/qeth.h> -#include <asm/timex.h> -#include <asm/semaphore.h> -#include <asm/uaccess.h> -#include <asm/s390_rdev.h> - -#include "qeth.h" -#include "qeth_mpc.h" -#include "qeth_fs.h" -#include "qeth_eddp.h" -#include "qeth_tso.h" - -static const char *version = "qeth S/390 OSA-Express driver"; - -/** - * Debug Facility Stuff - */ -static debug_info_t *qeth_dbf_setup = NULL; -static debug_info_t *qeth_dbf_data = NULL; -static debug_info_t *qeth_dbf_misc = NULL; -static debug_info_t *qeth_dbf_control = NULL; -debug_info_t *qeth_dbf_trace = NULL; -static debug_info_t *qeth_dbf_sense = NULL; -static debug_info_t *qeth_dbf_qerr = NULL; - -DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf); - -static struct lock_class_key qdio_out_skb_queue_key; - -/** - * some more definitions and declarations - */ -static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY; - -/* list of our cards */ -struct qeth_card_list_struct qeth_card_list; -/*process list want to be notified*/ -spinlock_t qeth_notify_lock; -struct list_head qeth_notify_list; - -static void qeth_send_control_data_cb(struct qeth_channel *, - struct qeth_cmd_buffer *); - -/** - * here we go with function implementation - */ -static void -qeth_init_qdio_info(struct qeth_card *card); - -static int -qeth_init_qdio_queues(struct qeth_card *card); - -static int -qeth_alloc_qdio_buffers(struct qeth_card *card); - -static void -qeth_free_qdio_buffers(struct qeth_card *); - -static void -qeth_clear_qdio_buffers(struct qeth_card *); - -static void -qeth_clear_ip_list(struct qeth_card *, int, int); - -static void -qeth_clear_ipacmd_list(struct qeth_card *); - -static int -qeth_qdio_clear_card(struct qeth_card *, int); - -static void -qeth_clear_working_pool_list(struct qeth_card *); - -static void -qeth_clear_cmd_buffers(struct qeth_channel *); - -static int -qeth_stop(struct net_device *); - -static void -qeth_clear_ipato_list(struct qeth_card *); - -static int -qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *); - -static void -qeth_irq_tasklet(unsigned long); - -static int -qeth_set_online(struct ccwgroup_device *); - -static int -__qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode); - -static struct qeth_ipaddr * -qeth_get_addr_buffer(enum qeth_prot_versions); - -static void -qeth_set_multicast_list(struct net_device *); - -static void -qeth_setadp_promisc_mode(struct qeth_card *); - -static int -qeth_hard_header_parse(const struct sk_buff *skb, unsigned char *haddr); - -static void -qeth_notify_processes(void) -{ - /*notify all registered processes */ - struct qeth_notify_list_struct *n_entry; - - QETH_DBF_TEXT(trace,3,"procnoti"); - spin_lock(&qeth_notify_lock); - list_for_each_entry(n_entry, &qeth_notify_list, list) { - send_sig(n_entry->signum, n_entry->task, 1); - } - spin_unlock(&qeth_notify_lock); - -} -int -qeth_notifier_unregister(struct task_struct *p) -{ - struct qeth_notify_list_struct *n_entry, *tmp; - - QETH_DBF_TEXT(trace, 2, "notunreg"); - spin_lock(&qeth_notify_lock); - list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) { - if (n_entry->task == p) { - list_del(&n_entry->list); - kfree(n_entry); - goto out; - } - } -out: - spin_unlock(&qeth_notify_lock); - return 0; -} -int -qeth_notifier_register(struct task_struct *p, int signum) -{ - struct qeth_notify_list_struct *n_entry; - - /*check first if entry already exists*/ - spin_lock(&qeth_notify_lock); - list_for_each_entry(n_entry, &qeth_notify_list, list) { - if (n_entry->task == p) { - n_entry->signum = signum; - spin_unlock(&qeth_notify_lock); - return 0; - } - } - spin_unlock(&qeth_notify_lock); - - n_entry = (struct qeth_notify_list_struct *) - kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL); - if (!n_entry) - return -ENOMEM; - n_entry->task = p; - n_entry->signum = signum; - spin_lock(&qeth_notify_lock); - list_add(&n_entry->list,&qeth_notify_list); - spin_unlock(&qeth_notify_lock); - return 0; -} - - -/** - * free channel command buffers - */ -static void -qeth_clean_channel(struct qeth_channel *channel) -{ - int cnt; - - QETH_DBF_TEXT(setup, 2, "freech"); - for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) - kfree(channel->iob[cnt].data); -} - -/** - * free card - */ -static void -qeth_free_card(struct qeth_card *card) -{ - - QETH_DBF_TEXT(setup, 2, "freecrd"); - QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); - qeth_clean_channel(&card->read); - qeth_clean_channel(&card->write); - if (card->dev) - free_netdev(card->dev); - qeth_clear_ip_list(card, 0, 0); - qeth_clear_ipato_list(card); - kfree(card->ip_tbd_list); - qeth_free_qdio_buffers(card); - kfree(card); -} - -/** - * alloc memory for command buffer per channel - */ -static int -qeth_setup_channel(struct qeth_channel *channel) -{ - int cnt; - - QETH_DBF_TEXT(setup, 2, "setupch"); - for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) { - channel->iob[cnt].data = (char *) - kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL); - if (channel->iob[cnt].data == NULL) - break; - channel->iob[cnt].state = BUF_STATE_FREE; - channel->iob[cnt].channel = channel; - channel->iob[cnt].callback = qeth_send_control_data_cb; - channel->iob[cnt].rc = 0; - } - if (cnt < QETH_CMD_BUFFER_NO) { - while (cnt-- > 0) - kfree(channel->iob[cnt].data); - return -ENOMEM; - } - channel->buf_no = 0; - channel->io_buf_no = 0; - atomic_set(&channel->irq_pending, 0); - spin_lock_init(&channel->iob_lock); - - init_waitqueue_head(&channel->wait_q); - channel->irq_tasklet.data = (unsigned long) channel; - channel->irq_tasklet.func = qeth_irq_tasklet; - return 0; -} - -/** - * alloc memory for card structure - */ -static struct qeth_card * -qeth_alloc_card(void) -{ - struct qeth_card *card; - - QETH_DBF_TEXT(setup, 2, "alloccrd"); - card = kzalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL); - if (!card) - return NULL; - QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); - if (qeth_setup_channel(&card->read)) { - kfree(card); - return NULL; - } - if (qeth_setup_channel(&card->write)) { - qeth_clean_channel(&card->read); - kfree(card); - return NULL; - } - return card; -} - -static long -__qeth_check_irb_error(struct ccw_device *cdev, unsigned long intparm, - struct irb *irb) -{ - if (!IS_ERR(irb)) - return 0; - - switch (PTR_ERR(irb)) { - case -EIO: - PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id); - QETH_DBF_TEXT(trace, 2, "ckirberr"); - QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO); - break; - case -ETIMEDOUT: - PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id); - QETH_DBF_TEXT(trace, 2, "ckirberr"); - QETH_DBF_TEXT_(trace, 2, " rc%d", -ETIMEDOUT); - if (intparm == QETH_RCD_PARM) { - struct qeth_card *card = CARD_FROM_CDEV(cdev); - - if (card && (card->data.ccwdev == cdev)) { - card->data.state = CH_STATE_DOWN; - wake_up(&card->wait_q); - } - } - break; - default: - PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb), - cdev->dev.bus_id); - QETH_DBF_TEXT(trace, 2, "ckirberr"); - QETH_DBF_TEXT(trace, 2, " rc???"); - } - return PTR_ERR(irb); -} - -static int -qeth_get_problem(struct ccw_device *cdev, struct irb *irb) -{ - int dstat,cstat; - char *sense; - - sense = (char *) irb->ecw; - cstat = irb->scsw.cstat; - dstat = irb->scsw.dstat; - - if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK | - SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK | - SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) { - QETH_DBF_TEXT(trace,2, "CGENCHK"); - PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ", - cdev->dev.bus_id, dstat, cstat); - HEXDUMP16(WARN, "irb: ", irb); - HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32); - return 1; - } - - if (dstat & DEV_STAT_UNIT_CHECK) { - if (sense[SENSE_RESETTING_EVENT_BYTE] & - SENSE_RESETTING_EVENT_FLAG) { - QETH_DBF_TEXT(trace,2,"REVIND"); - return 1; - } - if (sense[SENSE_COMMAND_REJECT_BYTE] & - SENSE_COMMAND_REJECT_FLAG) { - QETH_DBF_TEXT(trace,2,"CMDREJi"); - return 0; - } - if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) { - QETH_DBF_TEXT(trace,2,"AFFE"); - return 1; - } - if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) { - QETH_DBF_TEXT(trace,2,"ZEROSEN"); - return 0; - } - QETH_DBF_TEXT(trace,2,"DGENCHK"); - return 1; - } - return 0; -} -static int qeth_issue_next_read(struct qeth_card *); - -/** - * interrupt handler - */ -static void -qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) -{ - int rc; - int cstat,dstat; - struct qeth_cmd_buffer *buffer; - struct qeth_channel *channel; - struct qeth_card *card; - - QETH_DBF_TEXT(trace,5,"irq"); - - if (__qeth_check_irb_error(cdev, intparm, irb)) - return; - cstat = irb->scsw.cstat; - dstat = irb->scsw.dstat; - - card = CARD_FROM_CDEV(cdev); - if (!card) - return; - - if (card->read.ccwdev == cdev){ - channel = &card->read; - QETH_DBF_TEXT(trace,5,"read"); - } else if (card->write.ccwdev == cdev) { - channel = &card->write; - QETH_DBF_TEXT(trace,5,"write"); - } else { - channel = &card->data; - QETH_DBF_TEXT(trace,5,"data"); - } - atomic_set(&channel->irq_pending, 0); - - if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC)) - channel->state = CH_STATE_STOPPED; - - if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC)) - channel->state = CH_STATE_HALTED; - - /*let's wake up immediately on data channel*/ - if ((channel == &card->data) && (intparm != 0) && - (intparm != QETH_RCD_PARM)) - goto out; - - if (intparm == QETH_CLEAR_CHANNEL_PARM) { - QETH_DBF_TEXT(trace, 6, "clrchpar"); - /* we don't have to handle this further */ - intparm = 0; - } - if (intparm == QETH_HALT_CHANNEL_PARM) { - QETH_DBF_TEXT(trace, 6, "hltchpar"); - /* we don't have to handle this further */ - intparm = 0; - } - if ((dstat & DEV_STAT_UNIT_EXCEP) || - (dstat & DEV_STAT_UNIT_CHECK) || - (cstat)) { - if (irb->esw.esw0.erw.cons) { - /* TODO: we should make this s390dbf */ - PRINT_WARN("sense data available on channel %s.\n", - CHANNEL_ID(channel)); - PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat); - HEXDUMP16(WARN,"irb: ",irb); - HEXDUMP16(WARN,"sense data: ",irb->ecw); - } - if (intparm == QETH_RCD_PARM) { - channel->state = CH_STATE_DOWN; - goto out; - } - rc = qeth_get_problem(cdev,irb); - if (rc) { - qeth_schedule_recovery(card); - goto out; - } - } - - if (intparm == QETH_RCD_PARM) { - channel->state = CH_STATE_RCD_DONE; - goto out; - } - if (intparm) { - buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm); - buffer->state = BUF_STATE_PROCESSED; - } - if (channel == &card->data) - return; - - if (channel == &card->read && - channel->state == CH_STATE_UP) - qeth_issue_next_read(card); - - qeth_irq_tasklet((unsigned long)channel); - return; -out: - wake_up(&card->wait_q); -} - -/** - * tasklet function scheduled from irq handler - */ -static void -qeth_irq_tasklet(unsigned long data) -{ - struct qeth_card *card; - struct qeth_channel *channel; - struct qeth_cmd_buffer *iob; - __u8 index; - - QETH_DBF_TEXT(trace,5,"irqtlet"); - channel = (struct qeth_channel *) data; - iob = channel->iob; - index = channel->buf_no; - card = CARD_FROM_CDEV(channel->ccwdev); - while (iob[index].state == BUF_STATE_PROCESSED) { - if (iob[index].callback !=NULL) { - iob[index].callback(channel,iob + index); - } - index = (index + 1) % QETH_CMD_BUFFER_NO; - } - channel->buf_no = index; - wake_up(&card->wait_q); -} - -static int qeth_stop_card(struct qeth_card *, int); - -static int -__qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode) -{ - struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data; - int rc = 0, rc2 = 0, rc3 = 0; - enum qeth_card_states recover_flag; - - QETH_DBF_TEXT(setup, 3, "setoffl"); - QETH_DBF_HEX(setup, 3, &card, sizeof(void *)); - - if (card->dev && netif_carrier_ok(card->dev)) - netif_carrier_off(card->dev); - recover_flag = card->state; - if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){ - PRINT_WARN("Stopping card %s interrupted by user!\n", - CARD_BUS_ID(card)); - return -ERESTARTSYS; - } - rc = ccw_device_set_offline(CARD_DDEV(card)); - rc2 = ccw_device_set_offline(CARD_WDEV(card)); - rc3 = ccw_device_set_offline(CARD_RDEV(card)); - if (!rc) - rc = (rc2) ? rc2 : rc3; - if (rc) - QETH_DBF_TEXT_(setup, 2, "1err%d", rc); - if (recover_flag == CARD_STATE_UP) - card->state = CARD_STATE_RECOVER; - qeth_notify_processes(); - return 0; -} - -static int -qeth_set_offline(struct ccwgroup_device *cgdev) -{ - return __qeth_set_offline(cgdev, 0); -} - -static int -qeth_threads_running(struct qeth_card *card, unsigned long threads); - - -static void -qeth_remove_device(struct ccwgroup_device *cgdev) -{ - struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data; - unsigned long flags; - - QETH_DBF_TEXT(setup, 3, "rmdev"); - QETH_DBF_HEX(setup, 3, &card, sizeof(void *)); - - if (!card) - return; - - wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); - - if (cgdev->state == CCWGROUP_ONLINE){ - card->use_hard_stop = 1; - qeth_set_offline(cgdev); - } - /* remove form our internal list */ - write_lock_irqsave(&qeth_card_list.rwlock, flags); - list_del(&card->list); - write_unlock_irqrestore(&qeth_card_list.rwlock, flags); - if (card->dev) - unregister_netdev(card->dev); - qeth_remove_device_attributes(&cgdev->dev); - qeth_free_card(card); - cgdev->dev.driver_data = NULL; - put_device(&cgdev->dev); -} - -static int -qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *); -static int -qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *); - -/** - * Add/remove address to/from card's ip list, i.e. try to add or remove - * reference to/from an IP address that is already registered on the card. - * Returns: - * 0 address was on card and its reference count has been adjusted, - * but is still > 0, so nothing has to be done - * also returns 0 if card was not on card and the todo was to delete - * the address -> there is also nothing to be done - * 1 address was not on card and the todo is to add it to the card's ip - * list - * -1 address was on card and its reference count has been decremented - * to <= 0 by the todo -> address must be removed from card - */ -static int -__qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo, - struct qeth_ipaddr **__addr) -{ - struct qeth_ipaddr *addr; - int found = 0; - - list_for_each_entry(addr, &card->ip_list, entry) { - if (card->options.layer2) { - if ((addr->type == todo->type) && - (memcmp(&addr->mac, &todo->mac, - OSA_ADDR_LEN) == 0)) { - found = 1; - break; - } - continue; - } - if ((addr->proto == QETH_PROT_IPV4) && - (todo->proto == QETH_PROT_IPV4) && - (addr->type == todo->type) && - (addr->u.a4.addr == todo->u.a4.addr) && - (addr->u.a4.mask == todo->u.a4.mask)) { - found = 1; - break; - } - if ((addr->proto == QETH_PROT_IPV6) && - (todo->proto == QETH_PROT_IPV6) && - (addr->type == todo->type) && - (addr->u.a6.pfxlen == todo->u.a6.pfxlen) && - (memcmp(&addr->u.a6.addr, &todo->u.a6.addr, - sizeof(struct in6_addr)) == 0)) { - found = 1; - break; - } - } - if (found) { - addr->users += todo->users; - if (addr->users <= 0){ - *__addr = addr; - return -1; - } else { - /* for VIPA and RXIP limit refcount to 1 */ - if (addr->type != QETH_IP_TYPE_NORMAL) - addr->users = 1; - return 0; - } - } - if (todo->users > 0) { - /* for VIPA and RXIP limit refcount to 1 */ - if (todo->type != QETH_IP_TYPE_NORMAL) - todo->users = 1; - return 1; - } else - return 0; -} - -static int -__qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr, - int same_type) -{ - struct qeth_ipaddr *tmp; - - list_for_each_entry(tmp, list, entry) { - if ((tmp->proto == QETH_PROT_IPV4) && - (addr->proto == QETH_PROT_IPV4) && - ((same_type && (tmp->type == addr->type)) || - (!same_type && (tmp->type != addr->type)) ) && - (tmp->u.a4.addr == addr->u.a4.addr) ){ - return 1; - } - if ((tmp->proto == QETH_PROT_IPV6) && - (addr->proto == QETH_PROT_IPV6) && - ((same_type && (tmp->type == addr->type)) || - (!same_type && (tmp->type != addr->type)) ) && - (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, - sizeof(struct in6_addr)) == 0) ) { - return 1; - } - } - return 0; -} - -/* - * Add IP to be added to todo list. If there is already an "add todo" - * in this list we just incremenent the reference count. - * Returns 0 if we just incremented reference count. - */ -static int -__qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add) -{ - struct qeth_ipaddr *tmp, *t; - int found = 0; - - list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) { - if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) && - (tmp->type == QETH_IP_TYPE_DEL_ALL_MC)) - return 0; - if (card->options.layer2) { - if ((tmp->type == addr->type) && - (tmp->is_multicast == addr->is_multicast) && - (memcmp(&tmp->mac, &addr->mac, - OSA_ADDR_LEN) == 0)) { - found = 1; - break; - } - continue; - } - if ((tmp->proto == QETH_PROT_IPV4) && - (addr->proto == QETH_PROT_IPV4) && - (tmp->type == addr->type) && - (tmp->is_multicast == addr->is_multicast) && - (tmp->u.a4.addr == addr->u.a4.addr) && - (tmp->u.a4.mask == addr->u.a4.mask)) { - found = 1; - break; - } - if ((tmp->proto == QETH_PROT_IPV6) && - (addr->proto == QETH_PROT_IPV6) && - (tmp->type == addr->type) && - (tmp->is_multicast == addr->is_multicast) && - (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) && - (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, - sizeof(struct in6_addr)) == 0)) { - found = 1; - break; - } - } - if (found){ - if (addr->users != 0) - tmp->users += addr->users; - else - tmp->users += add? 1:-1; - if (tmp->users == 0) { - list_del(&tmp->entry); - kfree(tmp); - } - return 0; - } else { - if (addr->type == QETH_IP_TYPE_DEL_ALL_MC) - list_add(&addr->entry, card->ip_tbd_list); - else { - if (addr->users == 0) - addr->users += add? 1:-1; - if (add && (addr->type == QETH_IP_TYPE_NORMAL) && - qeth_is_addr_covered_by_ipato(card, addr)){ - QETH_DBF_TEXT(trace, 2, "tkovaddr"); - addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG; - } - list_add_tail(&addr->entry, card->ip_tbd_list); - } - return 1; - } -} - -/** - * Remove IP address from list - */ -static int -qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr) -{ - unsigned long flags; - int rc = 0; - - QETH_DBF_TEXT(trace, 4, "delip"); - - if (card->options.layer2) - QETH_DBF_HEX(trace, 4, &addr->mac, 6); - else if (addr->proto == QETH_PROT_IPV4) - QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4); - else { - QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8); - QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8); - } - spin_lock_irqsave(&card->ip_lock, flags); - rc = __qeth_insert_ip_todo(card, addr, 0); - spin_unlock_irqrestore(&card->ip_lock, flags); - return rc; -} - -static int -qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr) -{ - unsigned long flags; - int rc = 0; - - QETH_DBF_TEXT(trace, 4, "addip"); - if (card->options.layer2) - QETH_DBF_HEX(trace, 4, &addr->mac, 6); - else if (addr->proto == QETH_PROT_IPV4) - QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4); - else { - QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8); - QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8); - } - spin_lock_irqsave(&card->ip_lock, flags); - rc = __qeth_insert_ip_todo(card, addr, 1); - spin_unlock_irqrestore(&card->ip_lock, flags); - return rc; -} - -static void -__qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags) -{ - struct qeth_ipaddr *addr, *tmp; - int rc; -again: - list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) { - if (addr->is_multicast) { - list_del(&addr->entry); - spin_unlock_irqrestore(&card->ip_lock, *flags); - rc = qeth_deregister_addr_entry(card, addr); - spin_lock_irqsave(&card->ip_lock, *flags); - if (!rc) { - kfree(addr); - goto again; - } else - list_add(&addr->entry, &card->ip_list); - } - } -} - -static void -qeth_set_ip_addr_list(struct qeth_card *card) -{ - struct list_head *tbd_list; - struct qeth_ipaddr *todo, *addr; - unsigned long flags; - int rc; - - QETH_DBF_TEXT(trace, 2, "sdiplist"); - QETH_DBF_HEX(trace, 2, &card, sizeof(void *)); - - spin_lock_irqsave(&card->ip_lock, flags); - tbd_list = card->ip_tbd_list; - card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC); - if (!card->ip_tbd_list) { - QETH_DBF_TEXT(trace, 0, "silnomem"); - card->ip_tbd_list = tbd_list; - spin_unlock_irqrestore(&card->ip_lock, flags); - return; - } else - INIT_LIST_HEAD(card->ip_tbd_list); - - while (!list_empty(tbd_list)){ - todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry); - list_del(&todo->entry); - if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){ - __qeth_delete_all_mc(card, &flags); - kfree(todo); - continue; - } - rc = __qeth_ref_ip_on_card(card, todo, &addr); - if (rc == 0) { - /* nothing to be done; only adjusted refcount */ - kfree(todo); - } else if (rc == 1) { - /* new entry to be added to on-card list */ - spin_unlock_irqrestore(&card->ip_lock, flags); - rc = qeth_register_addr_entry(card, todo); - spin_lock_irqsave(&card->ip_lock, flags); - if (!rc) - list_add_tail(&todo->entry, &card->ip_list); - else - kfree(todo); - } else if (rc == -1) { - /* on-card entry to be removed */ - list_del_init(&addr->entry); - spin_unlock_irqrestore(&card->ip_lock, flags); - rc = qeth_deregister_addr_entry(card, addr); - spin_lock_irqsave(&card->ip_lock, flags); - if (!rc) - kfree(addr); - else - list_add_tail(&addr->entry, &card->ip_list); - kfree(todo); - } - } - spin_unlock_irqrestore(&card->ip_lock, flags); - kfree(tbd_list); -} - -static void qeth_delete_mc_addresses(struct qeth_card *); -static void qeth_add_multicast_ipv4(struct qeth_card *); -static void qeth_layer2_add_multicast(struct qeth_card *); -#ifdef CONFIG_QETH_IPV6 -static void qeth_add_multicast_ipv6(struct qeth_card *); -#endif - -static int -qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread) -{ - unsigned long flags; - - spin_lock_irqsave(&card->thread_mask_lock, flags); - if ( !(card->thread_allowed_mask & thread) || - (card->thread_start_mask & thread) ) { - spin_unlock_irqrestore(&card->thread_mask_lock, flags); - return -EPERM; - } - card->thread_start_mask |= thread; - spin_unlock_irqrestore(&card->thread_mask_lock, flags); - return 0; -} - -static void -qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread) -{ - unsigned long flags; - - spin_lock_irqsave(&card->thread_mask_lock, flags); - card->thread_start_mask &= ~thread; - spin_unlock_irqrestore(&card->thread_mask_lock, flags); - wake_up(&card->wait_q); -} - -static void -qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread) -{ - unsigned long flags; - - spin_lock_irqsave(&card->thread_mask_lock, flags); - card->thread_running_mask &= ~thread; - spin_unlock_irqrestore(&card->thread_mask_lock, flags); - wake_up(&card->wait_q); -} - -static int -__qeth_do_run_thread(struct qeth_card *card, unsigned long thread) -{ - unsigned long flags; - int rc = 0; - - spin_lock_irqsave(&card->thread_mask_lock, flags); - if (card->thread_start_mask & thread){ - if ((card->thread_allowed_mask & thread) && - !(card->thread_running_mask & thread)){ - rc = 1; - card->thread_start_mask &= ~thread; - card->thread_running_mask |= thread; - } else - rc = -EPERM; - } - spin_unlock_irqrestore(&card->thread_mask_lock, flags); - return rc; -} - -static int -qeth_do_run_thread(struct qeth_card *card, unsigned long thread) -{ - int rc = 0; - - wait_event(card->wait_q, - (rc = __qeth_do_run_thread(card, thread)) >= 0); - return rc; -} - -static int -qeth_recover(void *ptr) -{ - struct qeth_card *card; - int rc = 0; - - card = (struct qeth_card *) ptr; - daemonize("qeth_recover"); - QETH_DBF_TEXT(trace,2,"recover1"); - QETH_DBF_HEX(trace, 2, &card, sizeof(void *)); - if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) - return 0; - QETH_DBF_TEXT(trace,2,"recover2"); - PRINT_WARN("Recovery of device %s started ...\n", - CARD_BUS_ID(card)); - card->use_hard_stop = 1; - __qeth_set_offline(card->gdev,1); - rc = __qeth_set_online(card->gdev,1); - /* don't run another scheduled recovery */ - qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); - qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); - if (!rc) - PRINT_INFO("Device %s successfully recovered!\n", - CARD_BUS_ID(card)); - else - PRINT_INFO("Device %s could not be recovered!\n", - CARD_BUS_ID(card)); - return 0; -} - -void -qeth_schedule_recovery(struct qeth_card *card) -{ - QETH_DBF_TEXT(trace,2,"startrec"); - if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0) - schedule_work(&card->kernel_thread_starter); -} - -static int -qeth_do_start_thread(struct qeth_card *card, unsigned long thread) -{ - unsigned long flags; - int rc = 0; - - spin_lock_irqsave(&card->thread_mask_lock, flags); - QETH_DBF_TEXT_(trace, 4, " %02x%02x%02x", - (u8) card->thread_start_mask, - (u8) card->thread_allowed_mask, - (u8) card->thread_running_mask); - rc = (card->thread_start_mask & thread); - spin_unlock_irqrestore(&card->thread_mask_lock, flags); - return rc; -} - -static void -qeth_start_kernel_thread(struct work_struct *work) -{ - struct qeth_card *card = container_of(work, struct qeth_card, kernel_thread_starter); - QETH_DBF_TEXT(trace , 2, "strthrd"); - - if (card->read.state != CH_STATE_UP && - card->write.state != CH_STATE_UP) - return; - if (qeth_do_start_thread(card, QETH_RECOVER_THREAD)) - kernel_thread(qeth_recover, (void *) card, SIGCHLD); -} - - -static void -qeth_set_intial_options(struct qeth_card *card) -{ - card->options.route4.type = NO_ROUTER; -#ifdef CONFIG_QETH_IPV6 - card->options.route6.type = NO_ROUTER; -#endif /* QETH_IPV6 */ - card->options.checksum_type = QETH_CHECKSUM_DEFAULT; - card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS; - card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL; - card->options.fake_broadcast = 0; - card->options.add_hhlen = DEFAULT_ADD_HHLEN; - card->options.fake_ll = 0; - if (card->info.type == QETH_CARD_TYPE_OSN) - card->options.layer2 = 1; - else - card->options.layer2 = 0; - card->options.performance_stats = 0; - card->options.rx_sg_cb = QETH_RX_SG_CB; -} - -/** - * initialize channels ,card and all state machines - */ -static int -qeth_setup_card(struct qeth_card *card) -{ - - QETH_DBF_TEXT(setup, 2, "setupcrd"); - QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); - - card->read.state = CH_STATE_DOWN; - card->write.state = CH_STATE_DOWN; - card->data.state = CH_STATE_DOWN; - card->state = CARD_STATE_DOWN; - card->lan_online = 0; - card->use_hard_stop = 0; - card->dev = NULL; -#ifdef CONFIG_QETH_VLAN - spin_lock_init(&card->vlanlock); - card->vlangrp = NULL; -#endif - spin_lock_init(&card->lock); - spin_lock_init(&card->ip_lock); - spin_lock_init(&card->thread_mask_lock); - card->thread_start_mask = 0; - card->thread_allowed_mask = 0; - card->thread_running_mask = 0; - INIT_WORK(&card->kernel_thread_starter, qeth_start_kernel_thread); - INIT_LIST_HEAD(&card->ip_list); - card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL); - if (!card->ip_tbd_list) { - QETH_DBF_TEXT(setup, 0, "iptbdnom"); - return -ENOMEM; - } - INIT_LIST_HEAD(card->ip_tbd_list); - INIT_LIST_HEAD(&card->cmd_waiter_list); - init_waitqueue_head(&card->wait_q); - /* intial options */ - qeth_set_intial_options(card); - /* IP address takeover */ - INIT_LIST_HEAD(&card->ipato.entries); - card->ipato.enabled = 0; - card->ipato.invert4 = 0; - card->ipato.invert6 = 0; - /* init QDIO stuff */ - qeth_init_qdio_info(card); - return 0; -} - -static int -is_1920_device (struct qeth_card *card) -{ - int single_queue = 0; - struct ccw_device *ccwdev; - struct channelPath_dsc { - u8 flags; - u8 lsn; - u8 desc; - u8 chpid; - u8 swla; - u8 zeroes; - u8 chla; - u8 chpp; - } *chp_dsc; - - QETH_DBF_TEXT(setup, 2, "chk_1920"); - - ccwdev = card->data.ccwdev; - chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0); - if (chp_dsc != NULL) { - /* CHPP field bit 6 == 1 -> single queue */ - single_queue = ((chp_dsc->chpp & 0x02) == 0x02); - kfree(chp_dsc); - } - QETH_DBF_TEXT_(setup, 2, "rc:%x", single_queue); - return single_queue; -} - -static int -qeth_determine_card_type(struct qeth_card *card) -{ - int i = 0; - - QETH_DBF_TEXT(setup, 2, "detcdtyp"); - - card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT; - card->qdio.default_out_queue = QETH_DEFAULT_QUEUE; - while (known_devices[i][4]) { - if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) && - (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) { - card->info.type = known_devices[i][4]; - card->qdio.no_out_queues = known_devices[i][8]; - card->info.is_multicast_different = known_devices[i][9]; - if (is_1920_device(card)) { - PRINT_INFO("Priority Queueing not able " - "due to hardware limitations!\n"); - card->qdio.no_out_queues = 1; - card->qdio.default_out_queue = 0; - } - return 0; - } - i++; - } - card->info.type = QETH_CARD_TYPE_UNKNOWN; - PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card)); - return -ENOENT; -} - -static int -qeth_probe_device(struct ccwgroup_device *gdev) -{ - struct qeth_card *card; - struct device *dev; - unsigned long flags; - int rc; - - QETH_DBF_TEXT(setup, 2, "probedev"); - - dev = &gdev->dev; - if (!get_device(dev)) - return -ENODEV; - - QETH_DBF_TEXT_(setup, 2, "%s", gdev->dev.bus_id); - - card = qeth_alloc_card(); - if (!card) { - put_device(dev); - QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM); - return -ENOMEM; - } - card->read.ccwdev = gdev->cdev[0]; - card->write.ccwdev = gdev->cdev[1]; - card->data.ccwdev = gdev->cdev[2]; - gdev->dev.driver_data = card; - card->gdev = gdev; - gdev->cdev[0]->handler = qeth_irq; - gdev->cdev[1]->handler = qeth_irq; - gdev->cdev[2]->handler = qeth_irq; - - if ((rc = qeth_determine_card_type(card))){ - PRINT_WARN("%s: not a valid card type\n", __func__); - QETH_DBF_TEXT_(setup, 2, "3err%d", rc); - put_device(dev); - qeth_free_card(card); - return rc; - } - if ((rc = qeth_setup_card(card))){ - QETH_DBF_TEXT_(setup, 2, "2err%d", rc); - put_device(dev); - qeth_free_card(card); - return rc; - } - rc = qeth_create_device_attributes(dev); - if (rc) { - put_device(dev); - qeth_free_card(card); - return rc; - } - /* insert into our internal list */ - write_lock_irqsave(&qeth_card_list.rwlock, flags); - list_add_tail(&card->list, &qeth_card_list.list); - write_unlock_irqrestore(&qeth_card_list.rwlock, flags); - return rc; -} - - -static int qeth_read_conf_data(struct qeth_card *card, void **buffer, - int *length) -{ - struct ciw *ciw; - char *rcd_buf; - int ret; - struct qeth_channel *channel = &card->data; - unsigned long flags; - - /* - * scan for RCD command in extended SenseID data - */ - ciw = ccw_device_get_ciw(channel->ccwdev, CIW_TYPE_RCD); - if (!ciw || ciw->cmd == 0) - return -EOPNOTSUPP; - rcd_buf = kzalloc(ciw->count, GFP_KERNEL | GFP_DMA); - if (!rcd_buf) - return -ENOMEM; - - channel->ccw.cmd_code = ciw->cmd; - channel->ccw.cda = (__u32) __pa (rcd_buf); - channel->ccw.count = ciw->count; - channel->ccw.flags = CCW_FLAG_SLI; - channel->state = CH_STATE_RCD; - spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); - ret = ccw_device_start_timeout(channel->ccwdev, &channel->ccw, - QETH_RCD_PARM, LPM_ANYPATH, 0, - QETH_RCD_TIMEOUT); - spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); - if (!ret) - wait_event(card->wait_q, - (channel->state == CH_STATE_RCD_DONE || - channel->state == CH_STATE_DOWN)); - if (channel->state == CH_STATE_DOWN) - ret = -EIO; - else - channel->state = CH_STATE_DOWN; - if (ret) { - kfree(rcd_buf); - *buffer = NULL; - *length = 0; - } else { - *length = ciw->count; - *buffer = rcd_buf; - } - return ret; -} - -static int -qeth_get_unitaddr(struct qeth_card *card) -{ - int length; - char *prcd; - int rc; - - QETH_DBF_TEXT(setup, 2, "getunit"); - rc = qeth_read_conf_data(card, (void **) &prcd, &length); - if (rc) { - PRINT_ERR("qeth_read_conf_data for device %s returned %i\n", - CARD_DDEV_ID(card), rc); - return rc; - } - card->info.chpid = prcd[30]; - card->info.unit_addr2 = prcd[31]; - card->info.cula = prcd[63]; - card->info.guestlan = ((prcd[0x10] == _ascebc['V']) && - (prcd[0x11] == _ascebc['M'])); - kfree(prcd); - return 0; -} - -static void -qeth_init_tokens(struct qeth_card *card) -{ - card->token.issuer_rm_w = 0x00010103UL; - card->token.cm_filter_w = 0x00010108UL; - card->token.cm_connection_w = 0x0001010aUL; - card->token.ulp_filter_w = 0x0001010bUL; - card->token.ulp_connection_w = 0x0001010dUL; -} - -static inline __u16 -raw_devno_from_bus_id(char *id) -{ - id += (strlen(id) - 4); - return (__u16) simple_strtoul(id, &id, 16); -} -/** - * setup channel - */ -static void -qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len) -{ - struct qeth_card *card; - - QETH_DBF_TEXT(trace, 4, "setupccw"); - card = CARD_FROM_CDEV(channel->ccwdev); - if (channel == &card->read) - memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1)); - else - memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1)); - channel->ccw.count = len; - channel->ccw.cda = (__u32) __pa(iob); -} - -/** - * get free buffer for ccws (IDX activation, lancmds,ipassists...) - */ -static struct qeth_cmd_buffer * -__qeth_get_buffer(struct qeth_channel *channel) -{ - __u8 index; - - QETH_DBF_TEXT(trace, 6, "getbuff"); - index = channel->io_buf_no; - do { - if (channel->iob[index].state == BUF_STATE_FREE) { - channel->iob[index].state = BUF_STATE_LOCKED; - channel->io_buf_no = (channel->io_buf_no + 1) % - QETH_CMD_BUFFER_NO; - memset(channel->iob[index].data, 0, QETH_BUFSIZE); - return channel->iob + index; - } - index = (index + 1) % QETH_CMD_BUFFER_NO; - } while(index != channel->io_buf_no); - - return NULL; -} - -/** - * release command buffer - */ -static void -qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob) -{ - unsigned long flags; - - QETH_DBF_TEXT(trace, 6, "relbuff"); - spin_lock_irqsave(&channel->iob_lock, flags); - memset(iob->data, 0, QETH_BUFSIZE); - iob->state = BUF_STATE_FREE; - iob->callback = qeth_send_control_data_cb; - iob->rc = 0; - spin_unlock_irqrestore(&channel->iob_lock, flags); -} - -static struct qeth_cmd_buffer * -qeth_get_buffer(struct qeth_channel *channel) -{ - struct qeth_cmd_buffer *buffer = NULL; - unsigned long flags; - - spin_lock_irqsave(&channel->iob_lock, flags); - buffer = __qeth_get_buffer(channel); - spin_unlock_irqrestore(&channel->iob_lock, flags); - return buffer; -} - -static struct qeth_cmd_buffer * -qeth_wait_for_buffer(struct qeth_channel *channel) -{ - struct qeth_cmd_buffer *buffer; - wait_event(channel->wait_q, - ((buffer = qeth_get_buffer(channel)) != NULL)); - return buffer; -} - -static void -qeth_clear_cmd_buffers(struct qeth_channel *channel) -{ - int cnt; - - for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) - qeth_release_buffer(channel,&channel->iob[cnt]); - channel->buf_no = 0; - channel->io_buf_no = 0; -} - -/** - * start IDX for read and write channel - */ -static int -qeth_idx_activate_get_answer(struct qeth_channel *channel, - void (*idx_reply_cb)(struct qeth_channel *, - struct qeth_cmd_buffer *)) -{ - struct qeth_cmd_buffer *iob; - unsigned long flags; - int rc; - struct qeth_card *card; - - QETH_DBF_TEXT(setup, 2, "idxanswr"); - card = CARD_FROM_CDEV(channel->ccwdev); - iob = qeth_get_buffer(channel); - iob->callback = idx_reply_cb; - memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1)); - channel->ccw.count = QETH_BUFSIZE; - channel->ccw.cda = (__u32) __pa(iob->data); - - wait_event(card->wait_q, - atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); - QETH_DBF_TEXT(setup, 6, "noirqpnd"); - spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); - rc = ccw_device_start(channel->ccwdev, - &channel->ccw,(addr_t) iob, 0, 0); - spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); - - if (rc) { - PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc); - QETH_DBF_TEXT_(setup, 2, "2err%d", rc); - atomic_set(&channel->irq_pending, 0); - wake_up(&card->wait_q); - return rc; - } - rc = wait_event_interruptible_timeout(card->wait_q, - channel->state == CH_STATE_UP, QETH_TIMEOUT); - if (rc == -ERESTARTSYS) - return rc; - if (channel->state != CH_STATE_UP){ - rc = -ETIME; - QETH_DBF_TEXT_(setup, 2, "3err%d", rc); - qeth_clear_cmd_buffers(channel); - } else - rc = 0; - return rc; -} - -static int -qeth_idx_activate_channel(struct qeth_channel *channel, - void (*idx_reply_cb)(struct qeth_channel *, - struct qeth_cmd_buffer *)) -{ - struct qeth_card *card; - struct qeth_cmd_buffer *iob; - unsigned long flags; - __u16 temp; - int rc; - - card = CARD_FROM_CDEV(channel->ccwdev); - - QETH_DBF_TEXT(setup, 2, "idxactch"); - - iob = qeth_get_buffer(channel); - iob->callback = idx_reply_cb; - memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1)); - channel->ccw.count = IDX_ACTIVATE_SIZE; - channel->ccw.cda = (__u32) __pa(iob->data); - if (channel == &card->write) { - memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE); - memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), - &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); - card->seqno.trans_hdr++; - } else { - memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE); - memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), - &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); - } - memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data), - &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH); - memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data), - &card->info.func_level,sizeof(__u16)); - temp = raw_devno_from_bus_id(CARD_DDEV_ID(card)); - memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2); - temp = (card->info.cula << 8) + card->info.unit_addr2; - memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2); - - wait_event(card->wait_q, - atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); - QETH_DBF_TEXT(setup, 6, "noirqpnd"); - spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); - rc = ccw_device_start(channel->ccwdev, - &channel->ccw,(addr_t) iob, 0, 0); - spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); - - if (rc) { - PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc); - QETH_DBF_TEXT_(setup, 2, "1err%d", rc); - atomic_set(&channel->irq_pending, 0); - wake_up(&card->wait_q); - return rc; - } - rc = wait_event_interruptible_timeout(card->wait_q, - channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT); - if (rc == -ERESTARTSYS) - return rc; - if (channel->state != CH_STATE_ACTIVATING) { - PRINT_WARN("qeth: IDX activate timed out!\n"); - QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME); - qeth_clear_cmd_buffers(channel); - return -ETIME; - } - return qeth_idx_activate_get_answer(channel,idx_reply_cb); -} - -static int -qeth_peer_func_level(int level) -{ - if ((level & 0xff) == 8) - return (level & 0xff) + 0x400; - if (((level >> 8) & 3) == 1) - return (level & 0xff) + 0x200; - return level; -} - -static void -qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob) -{ - struct qeth_card *card; - __u16 temp; - - QETH_DBF_TEXT(setup ,2, "idxwrcb"); - - if (channel->state == CH_STATE_DOWN) { - channel->state = CH_STATE_ACTIVATING; - goto out; - } - card = CARD_FROM_CDEV(channel->ccwdev); - - if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) { - if (QETH_IDX_ACT_CAUSE_CODE(iob->data) == 0x19) - PRINT_ERR("IDX_ACTIVATE on write channel device %s: " - "adapter exclusively used by another host\n", - CARD_WDEV_ID(card)); - else - PRINT_ERR("IDX_ACTIVATE on write channel device %s: " - "negative reply\n", CARD_WDEV_ID(card)); - goto out; - } - memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2); - if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) { - PRINT_WARN("IDX_ACTIVATE on write channel device %s: " - "function level mismatch " - "(sent: 0x%x, received: 0x%x)\n", - CARD_WDEV_ID(card), card->info.func_level, temp); - goto out; - } - channel->state = CH_STATE_UP; -out: - qeth_release_buffer(channel, iob); -} - -static int -qeth_check_idx_response(unsigned char *buffer) -{ - if (!buffer) - return 0; - - QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN); - if ((buffer[2] & 0xc0) == 0xc0) { - PRINT_WARN("received an IDX TERMINATE " - "with cause code 0x%02x%s\n", - buffer[4], - ((buffer[4] == 0x22) ? - " -- try another portname" : "")); - QETH_DBF_TEXT(trace, 2, "ckidxres"); - QETH_DBF_TEXT(trace, 2, " idxterm"); - QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO); - return -EIO; - } - return 0; -} - -static void -qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob) -{ - struct qeth_card *card; - __u16 temp; - - QETH_DBF_TEXT(setup , 2, "idxrdcb"); - if (channel->state == CH_STATE_DOWN) { - channel->state = CH_STATE_ACTIVATING; - goto out; - } - - card = CARD_FROM_CDEV(channel->ccwdev); - if (qeth_check_idx_response(iob->data)) { - goto out; - } - if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) { - if (QETH_IDX_ACT_CAUSE_CODE(iob->data) == 0x19) - PRINT_ERR("IDX_ACTIVATE on read channel device %s: " - "adapter exclusively used by another host\n", - CARD_RDEV_ID(card)); - else - PRINT_ERR("IDX_ACTIVATE on read channel device %s: " - "negative reply\n", CARD_RDEV_ID(card)); - goto out; - } - -/** - * temporary fix for microcode bug - * to revert it,replace OR by AND - */ - if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) || - (card->info.type == QETH_CARD_TYPE_OSAE) ) - card->info.portname_required = 1; - - memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2); - if (temp != qeth_peer_func_level(card->info.func_level)) { - PRINT_WARN("IDX_ACTIVATE on read channel device %s: function " - "level mismatch (sent: 0x%x, received: 0x%x)\n", - CARD_RDEV_ID(card), card->info.func_level, temp); - goto out; - } - memcpy(&card->token.issuer_rm_r, - QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data), - QETH_MPC_TOKEN_LENGTH); - memcpy(&card->info.mcl_level[0], - QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH); - channel->state = CH_STATE_UP; -out: - qeth_release_buffer(channel,iob); -} - -static int -qeth_issue_next_read(struct qeth_card *card) -{ - int rc; - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT(trace,5,"issnxrd"); - if (card->read.state != CH_STATE_UP) - return -EIO; - iob = qeth_get_buffer(&card->read); - if (!iob) { - PRINT_WARN("issue_next_read failed: no iob available!\n"); - return -ENOMEM; - } - qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE); - QETH_DBF_TEXT(trace, 6, "noirqpnd"); - rc = ccw_device_start(card->read.ccwdev, &card->read.ccw, - (addr_t) iob, 0, 0); - if (rc) { - PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc); - atomic_set(&card->read.irq_pending, 0); - qeth_schedule_recovery(card); - wake_up(&card->wait_q); - } - return rc; -} - -static struct qeth_reply * -qeth_alloc_reply(struct qeth_card *card) -{ - struct qeth_reply *reply; - - reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC); - if (reply){ - atomic_set(&reply->refcnt, 1); - atomic_set(&reply->received, 0); - reply->card = card; - }; - return reply; -} - -static void -qeth_get_reply(struct qeth_reply *reply) -{ - WARN_ON(atomic_read(&reply->refcnt) <= 0); - atomic_inc(&reply->refcnt); -} - -static void -qeth_put_reply(struct qeth_reply *reply) -{ - WARN_ON(atomic_read(&reply->refcnt) <= 0); - if (atomic_dec_and_test(&reply->refcnt)) - kfree(reply); -} - -static void -qeth_issue_ipa_msg(struct qeth_ipa_cmd *cmd, struct qeth_card *card) -{ - int rc; - int com; - char * ipa_name; - - com = cmd->hdr.command; - rc = cmd->hdr.return_code; - ipa_name = qeth_get_ipa_cmd_name(com); - - PRINT_ERR("%s(x%X) for %s returned x%X \"%s\"\n", ipa_name, com, - QETH_CARD_IFNAME(card), rc, qeth_get_ipa_msg(rc)); -} - -static struct qeth_ipa_cmd * -qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob) -{ - struct qeth_ipa_cmd *cmd = NULL; - - QETH_DBF_TEXT(trace,5,"chkipad"); - if (IS_IPA(iob->data)){ - cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data); - if (IS_IPA_REPLY(cmd)) { - if (cmd->hdr.return_code) - qeth_issue_ipa_msg(cmd, card); - return cmd; - } - else { - switch (cmd->hdr.command) { - case IPA_CMD_STOPLAN: - PRINT_WARN("Link failure on %s (CHPID 0x%X) - " - "there is a network problem or " - "someone pulled the cable or " - "disabled the port.\n", - QETH_CARD_IFNAME(card), - card->info.chpid); - card->lan_online = 0; - if (card->dev && netif_carrier_ok(card->dev)) - netif_carrier_off(card->dev); - return NULL; - case IPA_CMD_STARTLAN: - PRINT_INFO("Link reestablished on %s " - "(CHPID 0x%X). Scheduling " - "IP address reset.\n", - QETH_CARD_IFNAME(card), - card->info.chpid); - netif_carrier_on(card->dev); - qeth_schedule_recovery(card); - return NULL; - case IPA_CMD_MODCCID: - return cmd; - case IPA_CMD_REGISTER_LOCAL_ADDR: - QETH_DBF_TEXT(trace,3, "irla"); - break; - case IPA_CMD_UNREGISTER_LOCAL_ADDR: - QETH_DBF_TEXT(trace,3, "urla"); - break; - default: - PRINT_WARN("Received data is IPA " - "but not a reply!\n"); - break; - } - } - } - return cmd; -} - -/** - * wake all waiting ipa commands - */ -static void -qeth_clear_ipacmd_list(struct qeth_card *card) -{ - struct qeth_reply *reply, *r; - unsigned long flags; - - QETH_DBF_TEXT(trace, 4, "clipalst"); - - spin_lock_irqsave(&card->lock, flags); - list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) { - qeth_get_reply(reply); - reply->rc = -EIO; - atomic_inc(&reply->received); - list_del_init(&reply->list); - wake_up(&reply->wait_q); - qeth_put_reply(reply); - } - spin_unlock_irqrestore(&card->lock, flags); -} - -static void -qeth_send_control_data_cb(struct qeth_channel *channel, - struct qeth_cmd_buffer *iob) -{ - struct qeth_card *card; - struct qeth_reply *reply, *r; - struct qeth_ipa_cmd *cmd; - unsigned long flags; - int keep_reply; - - QETH_DBF_TEXT(trace,4,"sndctlcb"); - - card = CARD_FROM_CDEV(channel->ccwdev); - if (qeth_check_idx_response(iob->data)) { - qeth_clear_ipacmd_list(card); - qeth_schedule_recovery(card); - goto out; - } - - cmd = qeth_check_ipa_data(card, iob); - if ((cmd == NULL) && (card->state != CARD_STATE_DOWN)) - goto out; - /*in case of OSN : check if cmd is set */ - if (card->info.type == QETH_CARD_TYPE_OSN && - cmd && - cmd->hdr.command != IPA_CMD_STARTLAN && - card->osn_info.assist_cb != NULL) { - card->osn_info.assist_cb(card->dev, cmd); - goto out; - } - - spin_lock_irqsave(&card->lock, flags); - list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) { - if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) || - ((cmd) && (reply->seqno == cmd->hdr.seqno))) { - qeth_get_reply(reply); - list_del_init(&reply->list); - spin_unlock_irqrestore(&card->lock, flags); - keep_reply = 0; - if (reply->callback != NULL) { - if (cmd) { - reply->offset = (__u16)((char*)cmd - - (char *)iob->data); - keep_reply = reply->callback(card, - reply, - (unsigned long)cmd); - } else - keep_reply = reply->callback(card, - reply, - (unsigned long)iob); - } - if (cmd) - reply->rc = (u16) cmd->hdr.return_code; - else if (iob->rc) - reply->rc = iob->rc; - if (keep_reply) { - spin_lock_irqsave(&card->lock, flags); - list_add_tail(&reply->list, - &card->cmd_waiter_list); - spin_unlock_irqrestore(&card->lock, flags); - } else { - atomic_inc(&reply->received); - wake_up(&reply->wait_q); - } - qeth_put_reply(reply); - goto out; - } - } - spin_unlock_irqrestore(&card->lock, flags); -out: - memcpy(&card->seqno.pdu_hdr_ack, - QETH_PDU_HEADER_SEQ_NO(iob->data), - QETH_SEQ_NO_LENGTH); - qeth_release_buffer(channel,iob); -} - -static void -qeth_prepare_control_data(struct qeth_card *card, int len, - struct qeth_cmd_buffer *iob) -{ - qeth_setup_ccw(&card->write,iob->data,len); - iob->callback = qeth_release_buffer; - - memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), - &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); - card->seqno.trans_hdr++; - memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data), - &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH); - card->seqno.pdu_hdr++; - memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data), - &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH); - QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN); -} - -static int -qeth_send_control_data(struct qeth_card *card, int len, - struct qeth_cmd_buffer *iob, - int (*reply_cb) - (struct qeth_card *, struct qeth_reply*, unsigned long), - void *reply_param) - -{ - int rc; - unsigned long flags; - struct qeth_reply *reply = NULL; - unsigned long timeout; - - QETH_DBF_TEXT(trace, 2, "sendctl"); - - reply = qeth_alloc_reply(card); - if (!reply) { - PRINT_WARN("Could no alloc qeth_reply!\n"); - return -ENOMEM; - } - reply->callback = reply_cb; - reply->param = reply_param; - if (card->state == CARD_STATE_DOWN) - reply->seqno = QETH_IDX_COMMAND_SEQNO; - else - reply->seqno = card->seqno.ipa++; - init_waitqueue_head(&reply->wait_q); - spin_lock_irqsave(&card->lock, flags); - list_add_tail(&reply->list, &card->cmd_waiter_list); - spin_unlock_irqrestore(&card->lock, flags); - QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN); - - while (atomic_cmpxchg(&card->write.irq_pending, 0, 1)) ; - qeth_prepare_control_data(card, len, iob); - - if (IS_IPA(iob->data)) - timeout = jiffies + QETH_IPA_TIMEOUT; - else - timeout = jiffies + QETH_TIMEOUT; - - QETH_DBF_TEXT(trace, 6, "noirqpnd"); - spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); - rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, - (addr_t) iob, 0, 0); - spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); - if (rc){ - PRINT_WARN("qeth_send_control_data: " - "ccw_device_start rc = %i\n", rc); - QETH_DBF_TEXT_(trace, 2, " err%d", rc); - spin_lock_irqsave(&card->lock, flags); - list_del_init(&reply->list); - qeth_put_reply(reply); - spin_unlock_irqrestore(&card->lock, flags); - qeth_release_buffer(iob->channel, iob); - atomic_set(&card->write.irq_pending, 0); - wake_up(&card->wait_q); - return rc; - } - while (!atomic_read(&reply->received)) { - if (time_after(jiffies, timeout)) { - spin_lock_irqsave(&reply->card->lock, flags); - list_del_init(&reply->list); - spin_unlock_irqrestore(&reply->card->lock, flags); - reply->rc = -ETIME; - atomic_inc(&reply->received); - wake_up(&reply->wait_q); - } - cpu_relax(); - }; - rc = reply->rc; - qeth_put_reply(reply); - return rc; -} - -static int -qeth_osn_send_control_data(struct qeth_card *card, int len, - struct qeth_cmd_buffer *iob) -{ - unsigned long flags; - int rc = 0; - - QETH_DBF_TEXT(trace, 5, "osndctrd"); - - wait_event(card->wait_q, - atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0); - qeth_prepare_control_data(card, len, iob); - QETH_DBF_TEXT(trace, 6, "osnoirqp"); - spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); - rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, - (addr_t) iob, 0, 0); - spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); - if (rc){ - PRINT_WARN("qeth_osn_send_control_data: " - "ccw_device_start rc = %i\n", rc); - QETH_DBF_TEXT_(trace, 2, " err%d", rc); - qeth_release_buffer(iob->channel, iob); - atomic_set(&card->write.irq_pending, 0); - wake_up(&card->wait_q); - } - return rc; -} - -static inline void -qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, - char prot_type) -{ - memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); - memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1); - memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), - &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); -} - -static int -qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, - int data_len) -{ - u16 s1, s2; - - QETH_DBF_TEXT(trace,4,"osndipa"); - - qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2); - s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len); - s2 = (u16)data_len; - memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); - memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); - memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); - memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); - return qeth_osn_send_control_data(card, s1, iob); -} - -static int -qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, - int (*reply_cb) - (struct qeth_card *,struct qeth_reply*, unsigned long), - void *reply_param) -{ - int rc; - char prot_type; - - QETH_DBF_TEXT(trace,4,"sendipa"); - - if (card->options.layer2) - if (card->info.type == QETH_CARD_TYPE_OSN) - prot_type = QETH_PROT_OSN2; - else - prot_type = QETH_PROT_LAYER2; - else - prot_type = QETH_PROT_TCPIP; - qeth_prepare_ipa_cmd(card,iob,prot_type); - rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob, - reply_cb, reply_param); - return rc; -} - - -static int -qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT(setup, 2, "cmenblcb"); - - iob = (struct qeth_cmd_buffer *) data; - memcpy(&card->token.cm_filter_r, - QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data), - QETH_MPC_TOKEN_LENGTH); - QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); - return 0; -} - -static int -qeth_cm_enable(struct qeth_card *card) -{ - int rc; - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT(setup,2,"cmenable"); - - iob = qeth_wait_for_buffer(&card->write); - memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE); - memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data), - &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH); - memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data), - &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH); - - rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob, - qeth_cm_enable_cb, NULL); - return rc; -} - -static int -qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply, - unsigned long data) -{ - - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT(setup, 2, "cmsetpcb"); - - iob = (struct qeth_cmd_buffer *) data; - memcpy(&card->token.cm_connection_r, - QETH_CM_SETUP_RESP_DEST_ADDR(iob->data), - QETH_MPC_TOKEN_LENGTH); - QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); - return 0; -} - -static int -qeth_cm_setup(struct qeth_card *card) -{ - int rc; - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT(setup,2,"cmsetup"); - - iob = qeth_wait_for_buffer(&card->write); - memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE); - memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data), - &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH); - memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data), - &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH); - memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data), - &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH); - rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob, - qeth_cm_setup_cb, NULL); - return rc; - -} - -static int -qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply, - unsigned long data) -{ - - __u16 mtu, framesize; - __u16 len; - __u8 link_type; - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT(setup, 2, "ulpenacb"); - - iob = (struct qeth_cmd_buffer *) data; - memcpy(&card->token.ulp_filter_r, - QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data), - QETH_MPC_TOKEN_LENGTH); - if (qeth_get_mtu_out_of_mpc(card->info.type)) { - memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2); - mtu = qeth_get_mtu_outof_framesize(framesize); - if (!mtu) { - iob->rc = -EINVAL; - QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); - return 0; - } - card->info.max_mtu = mtu; - card->info.initial_mtu = mtu; - card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE; - } else { - card->info.initial_mtu = qeth_get_initial_mtu_for_card(card); - card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type); - card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT; - } - - memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2); - if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) { - memcpy(&link_type, - QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1); - card->info.link_type = link_type; - } else - card->info.link_type = 0; - QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); - return 0; -} - -static int -qeth_ulp_enable(struct qeth_card *card) -{ - int rc; - char prot_type; - struct qeth_cmd_buffer *iob; - - /*FIXME: trace view callbacks*/ - QETH_DBF_TEXT(setup,2,"ulpenabl"); - - iob = qeth_wait_for_buffer(&card->write); - memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE); - - *(QETH_ULP_ENABLE_LINKNUM(iob->data)) = - (__u8) card->info.portno; - if (card->options.layer2) - if (card->info.type == QETH_CARD_TYPE_OSN) - prot_type = QETH_PROT_OSN2; - else - prot_type = QETH_PROT_LAYER2; - else - prot_type = QETH_PROT_TCPIP; - - memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1); - memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data), - &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); - memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data), - &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH); - memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data), - card->info.portname, 9); - rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob, - qeth_ulp_enable_cb, NULL); - return rc; - -} - -static int -qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT(setup, 2, "ulpstpcb"); - - iob = (struct qeth_cmd_buffer *) data; - memcpy(&card->token.ulp_connection_r, - QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data), - QETH_MPC_TOKEN_LENGTH); - QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); - return 0; -} - -static int -qeth_ulp_setup(struct qeth_card *card) -{ - int rc; - __u16 temp; - struct qeth_cmd_buffer *iob; - struct ccw_dev_id dev_id; - - QETH_DBF_TEXT(setup,2,"ulpsetup"); - - iob = qeth_wait_for_buffer(&card->write); - memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE); - - memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data), - &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); - memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data), - &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH); - memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data), - &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH); - - ccw_device_get_id(CARD_DDEV(card), &dev_id); - memcpy(QETH_ULP_SETUP_CUA(iob->data), &dev_id.devno, 2); - temp = (card->info.cula << 8) + card->info.unit_addr2; - memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2); - rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob, - qeth_ulp_setup_cb, NULL); - return rc; -} - -static inline int -qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error, - unsigned int siga_error, const char *dbftext) -{ - if (qdio_error || siga_error) { - QETH_DBF_TEXT(trace, 2, dbftext); - QETH_DBF_TEXT(qerr, 2, dbftext); - QETH_DBF_TEXT_(qerr, 2, " F15=%02X", - buf->element[15].flags & 0xff); - QETH_DBF_TEXT_(qerr, 2, " F14=%02X", - buf->element[14].flags & 0xff); - QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error); - QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error); - return 1; - } - return 0; -} - -static struct sk_buff * -qeth_get_skb(unsigned int length, struct qeth_hdr *hdr) -{ - struct sk_buff* skb; - int add_len; - - add_len = 0; - if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN) - add_len = sizeof(struct qeth_hdr); -#ifdef CONFIG_QETH_VLAN - else - add_len = VLAN_HLEN; -#endif - skb = dev_alloc_skb(length + add_len); - if (skb && add_len) - skb_reserve(skb, add_len); - return skb; -} - -static inline int -qeth_create_skb_frag(struct qdio_buffer_element *element, - struct sk_buff **pskb, - int offset, int *pfrag, int data_len) -{ - struct page *page = virt_to_page(element->addr); - if (*pfrag == 0) { - /* the upper protocol layers assume that there is data in the - * skb itself. Copy a small amount (64 bytes) to make them - * happy. */ - *pskb = dev_alloc_skb(64 + QETH_FAKE_LL_LEN_ETH); - if (!(*pskb)) - return -ENOMEM; - skb_reserve(*pskb, QETH_FAKE_LL_LEN_ETH); - if (data_len <= 64) { - memcpy(skb_put(*pskb, data_len), element->addr + offset, - data_len); - } else { - get_page(page); - memcpy(skb_put(*pskb, 64), element->addr + offset, 64); - skb_fill_page_desc(*pskb, *pfrag, page, offset + 64, - data_len - 64); - (*pskb)->data_len += data_len - 64; - (*pskb)->len += data_len - 64; - (*pskb)->truesize += data_len - 64; - } - } else { - get_page(page); - skb_fill_page_desc(*pskb, *pfrag, page, offset, data_len); - (*pskb)->data_len += data_len; - (*pskb)->len += data_len; - (*pskb)->truesize += data_len; - } - (*pfrag)++; - return 0; -} - -static inline struct qeth_buffer_pool_entry * -qeth_find_free_buffer_pool_entry(struct qeth_card *card) -{ - struct list_head *plh; - struct qeth_buffer_pool_entry *entry; - int i, free; - struct page *page; - - if (list_empty(&card->qdio.in_buf_pool.entry_list)) - return NULL; - - list_for_each(plh, &card->qdio.in_buf_pool.entry_list) { - entry = list_entry(plh, struct qeth_buffer_pool_entry, list); - free = 1; - for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) { - if (page_count(virt_to_page(entry->elements[i])) > 1) { - free = 0; - break; - } - } - if (free) { - list_del_init(&entry->list); - return entry; - } - } - - /* no free buffer in pool so take first one and swap pages */ - entry = list_entry(card->qdio.in_buf_pool.entry_list.next, - struct qeth_buffer_pool_entry, list); - for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) { - if (page_count(virt_to_page(entry->elements[i])) > 1) { - page = alloc_page(GFP_ATOMIC|GFP_DMA); - if (!page) { - return NULL; - } else { - free_page((unsigned long)entry->elements[i]); - entry->elements[i] = page_address(page); - if (card->options.performance_stats) - card->perf_stats.sg_alloc_page_rx++; - } - } - } - list_del_init(&entry->list); - return entry; -} - -static struct sk_buff * -qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer, - struct qdio_buffer_element **__element, int *__offset, - struct qeth_hdr **hdr) -{ - struct qdio_buffer_element *element = *__element; - int offset = *__offset; - struct sk_buff *skb = NULL; - int skb_len; - void *data_ptr; - int data_len; - int use_rx_sg = 0; - int frag = 0; - - QETH_DBF_TEXT(trace,6,"nextskb"); - /* qeth_hdr must not cross element boundaries */ - if (element->length < offset + sizeof(struct qeth_hdr)){ - if (qeth_is_last_sbale(element)) - return NULL; - element++; - offset = 0; - if (element->length < sizeof(struct qeth_hdr)) - return NULL; - } - *hdr = element->addr + offset; - - offset += sizeof(struct qeth_hdr); - if (card->options.layer2) - if (card->info.type == QETH_CARD_TYPE_OSN) - skb_len = (*hdr)->hdr.osn.pdu_length; - else - skb_len = (*hdr)->hdr.l2.pkt_length; - else - skb_len = (*hdr)->hdr.l3.length; - - if (!skb_len) - return NULL; - if ((skb_len >= card->options.rx_sg_cb) && - (!(card->info.type == QETH_CARD_TYPE_OSN)) && - (!atomic_read(&card->force_alloc_skb))) { - use_rx_sg = 1; - } else { - if (card->options.fake_ll) { - if (card->dev->type == ARPHRD_IEEE802_TR) { - if (!(skb = qeth_get_skb(skb_len + - QETH_FAKE_LL_LEN_TR, *hdr))) - goto no_mem; - skb_reserve(skb, QETH_FAKE_LL_LEN_TR); - } else { - if (!(skb = qeth_get_skb(skb_len + - QETH_FAKE_LL_LEN_ETH, *hdr))) - goto no_mem; - skb_reserve(skb, QETH_FAKE_LL_LEN_ETH); - } - } else { - skb = qeth_get_skb(skb_len, *hdr); - if (!skb) - goto no_mem; - } - } - - data_ptr = element->addr + offset; - while (skb_len) { - data_len = min(skb_len, (int)(element->length - offset)); - if (data_len) { - if (use_rx_sg) { - if (qeth_create_skb_frag(element, &skb, offset, - &frag, data_len)) - goto no_mem; - } else { - memcpy(skb_put(skb, data_len), data_ptr, - data_len); - } - } - skb_len -= data_len; - if (skb_len){ - if (qeth_is_last_sbale(element)){ - QETH_DBF_TEXT(trace,4,"unexeob"); - QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card)); - QETH_DBF_TEXT(qerr,2,"unexeob"); - QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card)); - QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer)); - dev_kfree_skb_any(skb); - card->stats.rx_errors++; - return NULL; - } - element++; - offset = 0; - data_ptr = element->addr; - } else { - offset += data_len; - } - } - *__element = element; - *__offset = offset; - if (use_rx_sg && card->options.performance_stats) { - card->perf_stats.sg_skbs_rx++; - card->perf_stats.sg_frags_rx += skb_shinfo(skb)->nr_frags; - } - return skb; -no_mem: - if (net_ratelimit()){ - PRINT_WARN("No memory for packet received on %s.\n", - QETH_CARD_IFNAME(card)); - QETH_DBF_TEXT(trace,2,"noskbmem"); - QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card)); - } - card->stats.rx_dropped++; - return NULL; -} - -static __be16 -qeth_type_trans(struct sk_buff *skb, struct net_device *dev) -{ - struct qeth_card *card; - struct ethhdr *eth; - - QETH_DBF_TEXT(trace,6,"typtrans"); - - card = (struct qeth_card *)dev->priv; -#ifdef CONFIG_TR - if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || - (card->info.link_type == QETH_LINK_TYPE_LANE_TR)) - return tr_type_trans(skb,dev); -#endif /* CONFIG_TR */ - skb_reset_mac_header(skb); - skb_pull(skb, ETH_HLEN ); - eth = eth_hdr(skb); - - if (*eth->h_dest & 1) { - if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0) - skb->pkt_type = PACKET_BROADCAST; - else - skb->pkt_type = PACKET_MULTICAST; - } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN)) - skb->pkt_type = PACKET_OTHERHOST; - - if (ntohs(eth->h_proto) >= 1536) - return eth->h_proto; - if (*(unsigned short *) (skb->data) == 0xFFFF) - return htons(ETH_P_802_3); - return htons(ETH_P_802_2); -} - -static void -qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb, - struct qeth_hdr *hdr) -{ - struct trh_hdr *fake_hdr; - struct trllc *fake_llc; - struct iphdr *ip_hdr; - - QETH_DBF_TEXT(trace,5,"skbfktr"); - skb_set_mac_header(skb, (int)-QETH_FAKE_LL_LEN_TR); - /* this is a fake ethernet header */ - fake_hdr = tr_hdr(skb); - - /* the destination MAC address */ - switch (skb->pkt_type){ - case PACKET_MULTICAST: - switch (skb->protocol){ -#ifdef CONFIG_QETH_IPV6 - case __constant_htons(ETH_P_IPV6): - ndisc_mc_map((struct in6_addr *) - skb->data + QETH_FAKE_LL_V6_ADDR_POS, - fake_hdr->daddr, card->dev, 0); - break; -#endif /* CONFIG_QETH_IPV6 */ - case __constant_htons(ETH_P_IP): - ip_hdr = (struct iphdr *)skb->data; - ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr); - break; - default: - memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN); - } - break; - case PACKET_BROADCAST: - memset(fake_hdr->daddr, 0xff, TR_ALEN); - break; - default: - memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN); - } - /* the source MAC address */ - if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) - memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN); - else - memset(fake_hdr->saddr, 0, TR_ALEN); - fake_hdr->rcf=0; - fake_llc = (struct trllc*)&(fake_hdr->rcf); - fake_llc->dsap = EXTENDED_SAP; - fake_llc->ssap = EXTENDED_SAP; - fake_llc->llc = UI_CMD; - fake_llc->protid[0] = 0; - fake_llc->protid[1] = 0; - fake_llc->protid[2] = 0; - fake_llc->ethertype = ETH_P_IP; -} - -static void -qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb, - struct qeth_hdr *hdr) -{ - struct ethhdr *fake_hdr; - struct iphdr *ip_hdr; - - QETH_DBF_TEXT(trace,5,"skbfketh"); - skb_set_mac_header(skb, -QETH_FAKE_LL_LEN_ETH); - /* this is a fake ethernet header */ - fake_hdr = eth_hdr(skb); - - /* the destination MAC address */ - switch (skb->pkt_type){ - case PACKET_MULTICAST: - switch (skb->protocol){ -#ifdef CONFIG_QETH_IPV6 - case __constant_htons(ETH_P_IPV6): - ndisc_mc_map((struct in6_addr *) - skb->data + QETH_FAKE_LL_V6_ADDR_POS, - fake_hdr->h_dest, card->dev, 0); - break; -#endif /* CONFIG_QETH_IPV6 */ - case __constant_htons(ETH_P_IP): - ip_hdr = (struct iphdr *)skb->data; - ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest); - break; - default: - memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN); - } - break; - case PACKET_BROADCAST: - memset(fake_hdr->h_dest, 0xff, ETH_ALEN); - break; - default: - memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN); - } - /* the source MAC address */ - if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) - memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN); - else - memset(fake_hdr->h_source, 0, ETH_ALEN); - /* the protocol */ - fake_hdr->h_proto = skb->protocol; -} - -static inline void -qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb, - struct qeth_hdr *hdr) -{ - if (card->dev->type == ARPHRD_IEEE802_TR) - qeth_rebuild_skb_fake_ll_tr(card, skb, hdr); - else - qeth_rebuild_skb_fake_ll_eth(card, skb, hdr); -} - -static inline void -qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, - struct qeth_hdr *hdr) -{ - skb->pkt_type = PACKET_HOST; - skb->protocol = qeth_type_trans(skb, skb->dev); - if (card->options.checksum_type == NO_CHECKSUMMING) - skb->ip_summed = CHECKSUM_UNNECESSARY; - else - skb->ip_summed = CHECKSUM_NONE; - *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; -} - -static __u16 -qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, - struct qeth_hdr *hdr) -{ - unsigned short vlan_id = 0; -#ifdef CONFIG_QETH_IPV6 - if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) { - skb->pkt_type = PACKET_HOST; - skb->protocol = qeth_type_trans(skb, card->dev); - return 0; - } -#endif /* CONFIG_QETH_IPV6 */ - skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 : - ETH_P_IP); - switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){ - case QETH_CAST_UNICAST: - skb->pkt_type = PACKET_HOST; - break; - case QETH_CAST_MULTICAST: - skb->pkt_type = PACKET_MULTICAST; - card->stats.multicast++; - break; - case QETH_CAST_BROADCAST: - skb->pkt_type = PACKET_BROADCAST; - card->stats.multicast++; - break; - case QETH_CAST_ANYCAST: - case QETH_CAST_NOCAST: - default: - skb->pkt_type = PACKET_HOST; - } - - if (hdr->hdr.l3.ext_flags & - (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { - vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)? - hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]); - } - - if (card->options.fake_ll) - qeth_rebuild_skb_fake_ll(card, skb, hdr); - else - skb_reset_mac_header(skb); - skb->ip_summed = card->options.checksum_type; - if (card->options.checksum_type == HW_CHECKSUMMING){ - if ( (hdr->hdr.l3.ext_flags & - (QETH_HDR_EXT_CSUM_HDR_REQ | - QETH_HDR_EXT_CSUM_TRANSP_REQ)) == - (QETH_HDR_EXT_CSUM_HDR_REQ | - QETH_HDR_EXT_CSUM_TRANSP_REQ) ) - skb->ip_summed = CHECKSUM_UNNECESSARY; - else - skb->ip_summed = SW_CHECKSUMMING; - } - return vlan_id; -} - -static void -qeth_process_inbound_buffer(struct qeth_card *card, - struct qeth_qdio_buffer *buf, int index) -{ - struct qdio_buffer_element *element; - struct sk_buff *skb; - struct qeth_hdr *hdr; - int offset; - int rxrc; - __u16 vlan_tag = 0; - - /* get first element of current buffer */ - element = (struct qdio_buffer_element *)&buf->buffer->element[0]; - offset = 0; - if (card->options.performance_stats) - card->perf_stats.bufs_rec++; - while((skb = qeth_get_next_skb(card, buf->buffer, &element, - &offset, &hdr))) { - skb->dev = card->dev; - if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2) - qeth_layer2_rebuild_skb(card, skb, hdr); - else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3) - vlan_tag = qeth_rebuild_skb(card, skb, hdr); - else if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN) { - skb_push(skb, sizeof(struct qeth_hdr)); - skb_copy_to_linear_data(skb, hdr, - sizeof(struct qeth_hdr)); - } else { /* unknown header type */ - dev_kfree_skb_any(skb); - QETH_DBF_TEXT(trace, 3, "inbunkno"); - QETH_DBF_HEX(control, 3, hdr, QETH_DBF_CONTROL_LEN); - continue; - } - /* is device UP ? */ - if (!(card->dev->flags & IFF_UP)){ - dev_kfree_skb_any(skb); - continue; - } - if (card->info.type == QETH_CARD_TYPE_OSN) - rxrc = card->osn_info.data_cb(skb); - else -#ifdef CONFIG_QETH_VLAN - if (vlan_tag) - if (card->vlangrp) - vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag); - else { - dev_kfree_skb_any(skb); - continue; - } - else -#endif - rxrc = netif_rx(skb); - card->dev->last_rx = jiffies; - card->stats.rx_packets++; - card->stats.rx_bytes += skb->len; - } -} - -static int -qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf) -{ - struct qeth_buffer_pool_entry *pool_entry; - int i; - - pool_entry = qeth_find_free_buffer_pool_entry(card); - if (!pool_entry) - return 1; - /* - * since the buffer is accessed only from the input_tasklet - * there shouldn't be a need to synchronize; also, since we use - * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off - * buffers - */ - BUG_ON(!pool_entry); - - buf->pool_entry = pool_entry; - for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){ - buf->buffer->element[i].length = PAGE_SIZE; - buf->buffer->element[i].addr = pool_entry->elements[i]; - if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1) - buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY; - else - buf->buffer->element[i].flags = 0; - } - buf->state = QETH_QDIO_BUF_EMPTY; - return 0; -} - -static void -qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, - struct qeth_qdio_out_buffer *buf) -{ - int i; - struct sk_buff *skb; - - /* is PCI flag set on buffer? */ - if (buf->buffer->element[0].flags & 0x40) - atomic_dec(&queue->set_pci_flags_count); - - while ((skb = skb_dequeue(&buf->skb_list))){ - atomic_dec(&skb->users); - dev_kfree_skb_any(skb); - } - qeth_eddp_buf_release_contexts(buf); - for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){ - buf->buffer->element[i].length = 0; - buf->buffer->element[i].addr = NULL; - buf->buffer->element[i].flags = 0; - } - buf->next_element_to_fill = 0; - atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY); -} - -static void -qeth_queue_input_buffer(struct qeth_card *card, int index) -{ - struct qeth_qdio_q *queue = card->qdio.in_q; - int count; - int i; - int rc; - int newcount = 0; - - QETH_DBF_TEXT(trace,6,"queinbuf"); - count = (index < queue->next_buf_to_init)? - card->qdio.in_buf_pool.buf_count - - (queue->next_buf_to_init - index) : - card->qdio.in_buf_pool.buf_count - - (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index); - /* only requeue at a certain threshold to avoid SIGAs */ - if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){ - for (i = queue->next_buf_to_init; - i < queue->next_buf_to_init + count; ++i) { - if (qeth_init_input_buffer(card, - &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q])) { - break; - } else { - newcount++; - } - } - - if (newcount < count) { - /* we are in memory shortage so we switch back to - traditional skb allocation and drop packages */ - if (!atomic_read(&card->force_alloc_skb) && - net_ratelimit()) - PRINT_WARN("Switch to alloc skb\n"); - atomic_set(&card->force_alloc_skb, 3); - count = newcount; - } else { - if ((atomic_read(&card->force_alloc_skb) == 1) && - net_ratelimit()) - PRINT_WARN("Switch to sg\n"); - atomic_add_unless(&card->force_alloc_skb, -1, 0); - } - - /* - * according to old code it should be avoided to requeue all - * 128 buffers in order to benefit from PCI avoidance. - * this function keeps at least one buffer (the buffer at - * 'index') un-requeued -> this buffer is the first buffer that - * will be requeued the next time - */ - if (card->options.performance_stats) { - card->perf_stats.inbound_do_qdio_cnt++; - card->perf_stats.inbound_do_qdio_start_time = - qeth_get_micros(); - } - rc = do_QDIO(CARD_DDEV(card), - QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT, - 0, queue->next_buf_to_init, count, NULL); - if (card->options.performance_stats) - card->perf_stats.inbound_do_qdio_time += - qeth_get_micros() - - card->perf_stats.inbound_do_qdio_start_time; - if (rc){ - PRINT_WARN("qeth_queue_input_buffer's do_QDIO " - "return %i (device %s).\n", - rc, CARD_DDEV_ID(card)); - QETH_DBF_TEXT(trace,2,"qinberr"); - QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card)); - } - queue->next_buf_to_init = (queue->next_buf_to_init + count) % - QDIO_MAX_BUFFERS_PER_Q; - } -} - -static inline void -qeth_put_buffer_pool_entry(struct qeth_card *card, - struct qeth_buffer_pool_entry *entry) -{ - QETH_DBF_TEXT(trace, 6, "ptbfplen"); - list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); -} - -static void -qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status, - unsigned int qdio_err, unsigned int siga_err, - unsigned int queue, int first_element, int count, - unsigned long card_ptr) -{ - struct net_device *net_dev; - struct qeth_card *card; - struct qeth_qdio_buffer *buffer; - int index; - int i; - - QETH_DBF_TEXT(trace, 6, "qdinput"); - card = (struct qeth_card *) card_ptr; - net_dev = card->dev; - if (card->options.performance_stats) { - card->perf_stats.inbound_cnt++; - card->perf_stats.inbound_start_time = qeth_get_micros(); - } - if (status & QDIO_STATUS_LOOK_FOR_ERROR) { - if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){ - QETH_DBF_TEXT(trace, 1,"qdinchk"); - QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); - QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count); - QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status); - qeth_schedule_recovery(card); - return; - } - } - for (i = first_element; i < (first_element + count); ++i) { - index = i % QDIO_MAX_BUFFERS_PER_Q; - buffer = &card->qdio.in_q->bufs[index]; - if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) && - qeth_check_qdio_errors(buffer->buffer, - qdio_err, siga_err,"qinerr"))) - qeth_process_inbound_buffer(card, buffer, index); - /* clear buffer and give back to hardware */ - qeth_put_buffer_pool_entry(card, buffer->pool_entry); - qeth_queue_input_buffer(card, index); - } - if (card->options.performance_stats) - card->perf_stats.inbound_time += qeth_get_micros() - - card->perf_stats.inbound_start_time; -} - -static int -qeth_handle_send_error(struct qeth_card *card, - struct qeth_qdio_out_buffer *buffer, - unsigned int qdio_err, unsigned int siga_err) -{ - int sbalf15 = buffer->buffer->element[15].flags & 0xff; - int cc = siga_err & 3; - - QETH_DBF_TEXT(trace, 6, "hdsnderr"); - qeth_check_qdio_errors(buffer->buffer, qdio_err, siga_err, "qouterr"); - switch (cc) { - case 0: - if (qdio_err){ - QETH_DBF_TEXT(trace, 1,"lnkfail"); - QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); - QETH_DBF_TEXT_(trace,1,"%04x %02x", - (u16)qdio_err, (u8)sbalf15); - return QETH_SEND_ERROR_LINK_FAILURE; - } - return QETH_SEND_ERROR_NONE; - case 2: - if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) { - QETH_DBF_TEXT(trace, 1, "SIGAcc2B"); - QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); - return QETH_SEND_ERROR_KICK_IT; - } - if ((sbalf15 >= 15) && (sbalf15 <= 31)) - return QETH_SEND_ERROR_RETRY; - return QETH_SEND_ERROR_LINK_FAILURE; - /* look at qdio_error and sbalf 15 */ - case 1: - QETH_DBF_TEXT(trace, 1, "SIGAcc1"); - QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); - return QETH_SEND_ERROR_LINK_FAILURE; - case 3: - default: - QETH_DBF_TEXT(trace, 1, "SIGAcc3"); - QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); - return QETH_SEND_ERROR_KICK_IT; - } -} - -void -qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int, - int index, int count) -{ - struct qeth_qdio_out_buffer *buf; - int rc; - int i; - unsigned int qdio_flags; - - QETH_DBF_TEXT(trace, 6, "flushbuf"); - - for (i = index; i < index + count; ++i) { - buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]; - buf->buffer->element[buf->next_element_to_fill - 1].flags |= - SBAL_FLAGS_LAST_ENTRY; - - if (queue->card->info.type == QETH_CARD_TYPE_IQD) - continue; - - if (!queue->do_pack){ - if ((atomic_read(&queue->used_buffers) >= - (QETH_HIGH_WATERMARK_PACK - - QETH_WATERMARK_PACK_FUZZ)) && - !atomic_read(&queue->set_pci_flags_count)){ - /* it's likely that we'll go to packing - * mode soon */ - atomic_inc(&queue->set_pci_flags_count); - buf->buffer->element[0].flags |= 0x40; - } - } else { - if (!atomic_read(&queue->set_pci_flags_count)){ - /* - * there's no outstanding PCI any more, so we - * have to request a PCI to be sure that the PCI - * will wake at some time in the future then we - * can flush packed buffers that might still be - * hanging around, which can happen if no - * further send was requested by the stack - */ - atomic_inc(&queue->set_pci_flags_count); - buf->buffer->element[0].flags |= 0x40; - } - } - } - - queue->card->dev->trans_start = jiffies; - if (queue->card->options.performance_stats) { - queue->card->perf_stats.outbound_do_qdio_cnt++; - queue->card->perf_stats.outbound_do_qdio_start_time = - qeth_get_micros(); - } - qdio_flags = QDIO_FLAG_SYNC_OUTPUT; - if (under_int) - qdio_flags |= QDIO_FLAG_UNDER_INTERRUPT; - if (atomic_read(&queue->set_pci_flags_count)) - qdio_flags |= QDIO_FLAG_PCI_OUT; - rc = do_QDIO(CARD_DDEV(queue->card), qdio_flags, - queue->queue_no, index, count, NULL); - if (queue->card->options.performance_stats) - queue->card->perf_stats.outbound_do_qdio_time += - qeth_get_micros() - - queue->card->perf_stats.outbound_do_qdio_start_time; - if (rc){ - QETH_DBF_TEXT(trace, 2, "flushbuf"); - QETH_DBF_TEXT_(trace, 2, " err%d", rc); - QETH_DBF_TEXT_(trace, 2, "%s", CARD_DDEV_ID(queue->card)); - queue->card->stats.tx_errors += count; - /* this must not happen under normal circumstances. if it - * happens something is really wrong -> recover */ - qeth_schedule_recovery(queue->card); - return; - } - atomic_add(count, &queue->used_buffers); - if (queue->card->options.performance_stats) - queue->card->perf_stats.bufs_sent += count; -} - -/* - * Switched to packing state if the number of used buffers on a queue - * reaches a certain limit. - */ -static void -qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue) -{ - if (!queue->do_pack) { - if (atomic_read(&queue->used_buffers) - >= QETH_HIGH_WATERMARK_PACK){ - /* switch non-PACKING -> PACKING */ - QETH_DBF_TEXT(trace, 6, "np->pack"); - if (queue->card->options.performance_stats) - queue->card->perf_stats.sc_dp_p++; - queue->do_pack = 1; - } - } -} - -/* - * Switches from packing to non-packing mode. If there is a packing - * buffer on the queue this buffer will be prepared to be flushed. - * In that case 1 is returned to inform the caller. If no buffer - * has to be flushed, zero is returned. - */ -static int -qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue) -{ - struct qeth_qdio_out_buffer *buffer; - int flush_count = 0; - - if (queue->do_pack) { - if (atomic_read(&queue->used_buffers) - <= QETH_LOW_WATERMARK_PACK) { - /* switch PACKING -> non-PACKING */ - QETH_DBF_TEXT(trace, 6, "pack->np"); - if (queue->card->options.performance_stats) - queue->card->perf_stats.sc_p_dp++; - queue->do_pack = 0; - /* flush packing buffers */ - buffer = &queue->bufs[queue->next_buf_to_fill]; - if ((atomic_read(&buffer->state) == - QETH_QDIO_BUF_EMPTY) && - (buffer->next_element_to_fill > 0)) { - atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED); - flush_count++; - queue->next_buf_to_fill = - (queue->next_buf_to_fill + 1) % - QDIO_MAX_BUFFERS_PER_Q; - } - } - } - return flush_count; -} - -/* - * Called to flush a packing buffer if no more pci flags are on the queue. - * Checks if there is a packing buffer and prepares it to be flushed. - * In that case returns 1, otherwise zero. - */ -static int -qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue) -{ - struct qeth_qdio_out_buffer *buffer; - - buffer = &queue->bufs[queue->next_buf_to_fill]; - if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) && - (buffer->next_element_to_fill > 0)){ - /* it's a packing buffer */ - atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED); - queue->next_buf_to_fill = - (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q; - return 1; - } - return 0; -} - -static void -qeth_check_outbound_queue(struct qeth_qdio_out_q *queue) -{ - int index; - int flush_cnt = 0; - int q_was_packing = 0; - - /* - * check if weed have to switch to non-packing mode or if - * we have to get a pci flag out on the queue - */ - if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) || - !atomic_read(&queue->set_pci_flags_count)){ - if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) == - QETH_OUT_Q_UNLOCKED) { - /* - * If we get in here, there was no action in - * do_send_packet. So, we check if there is a - * packing buffer to be flushed here. - */ - netif_stop_queue(queue->card->dev); - index = queue->next_buf_to_fill; - q_was_packing = queue->do_pack; - flush_cnt += qeth_switch_to_nonpacking_if_needed(queue); - if (!flush_cnt && - !atomic_read(&queue->set_pci_flags_count)) - flush_cnt += - qeth_flush_buffers_on_no_pci(queue); - if (queue->card->options.performance_stats && - q_was_packing) - queue->card->perf_stats.bufs_sent_pack += - flush_cnt; - if (flush_cnt) - qeth_flush_buffers(queue, 1, index, flush_cnt); - atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); - } - } -} - -static void -qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status, - unsigned int qdio_error, unsigned int siga_error, - unsigned int __queue, int first_element, int count, - unsigned long card_ptr) -{ - struct qeth_card *card = (struct qeth_card *) card_ptr; - struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue]; - struct qeth_qdio_out_buffer *buffer; - int i; - - QETH_DBF_TEXT(trace, 6, "qdouhdl"); - if (status & QDIO_STATUS_LOOK_FOR_ERROR) { - if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){ - QETH_DBF_TEXT(trace, 2, "achkcond"); - QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card)); - QETH_DBF_TEXT_(trace, 2, "%08x", status); - netif_stop_queue(card->dev); - qeth_schedule_recovery(card); - return; - } - } - if (card->options.performance_stats) { - card->perf_stats.outbound_handler_cnt++; - card->perf_stats.outbound_handler_start_time = - qeth_get_micros(); - } - for(i = first_element; i < (first_element + count); ++i){ - buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]; - /*we only handle the KICK_IT error by doing a recovery */ - if (qeth_handle_send_error(card, buffer, - qdio_error, siga_error) - == QETH_SEND_ERROR_KICK_IT){ - netif_stop_queue(card->dev); - qeth_schedule_recovery(card); - return; - } - qeth_clear_output_buffer(queue, buffer); - } - atomic_sub(count, &queue->used_buffers); - /* check if we need to do something on this outbound queue */ - if (card->info.type != QETH_CARD_TYPE_IQD) - qeth_check_outbound_queue(queue); - - netif_wake_queue(queue->card->dev); - if (card->options.performance_stats) - card->perf_stats.outbound_handler_time += qeth_get_micros() - - card->perf_stats.outbound_handler_start_time; -} - -static void -qeth_create_qib_param_field(struct qeth_card *card, char *param_field) -{ - - param_field[0] = _ascebc['P']; - param_field[1] = _ascebc['C']; - param_field[2] = _ascebc['I']; - param_field[3] = _ascebc['T']; - *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card); - *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card); - *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card); -} - -static void -qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field) -{ - param_field[16] = _ascebc['B']; - param_field[17] = _ascebc['L']; - param_field[18] = _ascebc['K']; - param_field[19] = _ascebc['T']; - *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total; - *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet; - *((unsigned int *) (¶m_field[28])) = card->info.blkt.inter_packet_jumbo; -} - -static void -qeth_initialize_working_pool_list(struct qeth_card *card) -{ - struct qeth_buffer_pool_entry *entry; - - QETH_DBF_TEXT(trace,5,"inwrklst"); - - list_for_each_entry(entry, - &card->qdio.init_pool.entry_list, init_list) { - qeth_put_buffer_pool_entry(card,entry); - } -} - -static void -qeth_clear_working_pool_list(struct qeth_card *card) -{ - struct qeth_buffer_pool_entry *pool_entry, *tmp; - - QETH_DBF_TEXT(trace,5,"clwrklst"); - list_for_each_entry_safe(pool_entry, tmp, - &card->qdio.in_buf_pool.entry_list, list){ - list_del(&pool_entry->list); - } -} - -static void -qeth_free_buffer_pool(struct qeth_card *card) -{ - struct qeth_buffer_pool_entry *pool_entry, *tmp; - int i=0; - QETH_DBF_TEXT(trace,5,"freepool"); - list_for_each_entry_safe(pool_entry, tmp, - &card->qdio.init_pool.entry_list, init_list){ - for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) - free_page((unsigned long)pool_entry->elements[i]); - list_del(&pool_entry->init_list); - kfree(pool_entry); - } -} - -static int -qeth_alloc_buffer_pool(struct qeth_card *card) -{ - struct qeth_buffer_pool_entry *pool_entry; - void *ptr; - int i, j; - - QETH_DBF_TEXT(trace,5,"alocpool"); - for (i = 0; i < card->qdio.init_pool.buf_count; ++i){ - pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL); - if (!pool_entry){ - qeth_free_buffer_pool(card); - return -ENOMEM; - } - for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){ - ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA); - if (!ptr) { - while (j > 0) - free_page((unsigned long) - pool_entry->elements[--j]); - kfree(pool_entry); - qeth_free_buffer_pool(card); - return -ENOMEM; - } - pool_entry->elements[j] = ptr; - } - list_add(&pool_entry->init_list, - &card->qdio.init_pool.entry_list); - } - return 0; -} - -int -qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt) -{ - QETH_DBF_TEXT(trace, 2, "realcbp"); - - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - - /* TODO: steel/add buffers from/to a running card's buffer pool (?) */ - qeth_clear_working_pool_list(card); - qeth_free_buffer_pool(card); - card->qdio.in_buf_pool.buf_count = bufcnt; - card->qdio.init_pool.buf_count = bufcnt; - return qeth_alloc_buffer_pool(card); -} - -static int -qeth_alloc_qdio_buffers(struct qeth_card *card) -{ - int i, j; - - QETH_DBF_TEXT(setup, 2, "allcqdbf"); - - if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED, - QETH_QDIO_ALLOCATED) != QETH_QDIO_UNINITIALIZED) - return 0; - - card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q), - GFP_KERNEL|GFP_DMA); - if (!card->qdio.in_q) - goto out_nomem; - QETH_DBF_TEXT(setup, 2, "inq"); - QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *)); - memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q)); - /* give inbound qeth_qdio_buffers their qdio_buffers */ - for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) - card->qdio.in_q->bufs[i].buffer = - &card->qdio.in_q->qdio_bufs[i]; - /* inbound buffer pool */ - if (qeth_alloc_buffer_pool(card)) - goto out_freeinq; - /* outbound */ - card->qdio.out_qs = - kmalloc(card->qdio.no_out_queues * - sizeof(struct qeth_qdio_out_q *), GFP_KERNEL); - if (!card->qdio.out_qs) - goto out_freepool; - for (i = 0; i < card->qdio.no_out_queues; ++i) { - card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q), - GFP_KERNEL|GFP_DMA); - if (!card->qdio.out_qs[i]) - goto out_freeoutq; - QETH_DBF_TEXT_(setup, 2, "outq %i", i); - QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *)); - memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q)); - card->qdio.out_qs[i]->queue_no = i; - /* give outbound qeth_qdio_buffers their qdio_buffers */ - for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){ - card->qdio.out_qs[i]->bufs[j].buffer = - &card->qdio.out_qs[i]->qdio_bufs[j]; - skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j]. - skb_list); - lockdep_set_class( - &card->qdio.out_qs[i]->bufs[j].skb_list.lock, - &qdio_out_skb_queue_key); - INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list); - } - } - return 0; - -out_freeoutq: - while (i > 0) - kfree(card->qdio.out_qs[--i]); - kfree(card->qdio.out_qs); - card->qdio.out_qs = NULL; -out_freepool: - qeth_free_buffer_pool(card); -out_freeinq: - kfree(card->qdio.in_q); - card->qdio.in_q = NULL; -out_nomem: - atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED); - return -ENOMEM; -} - -static void -qeth_free_qdio_buffers(struct qeth_card *card) -{ - int i, j; - - QETH_DBF_TEXT(trace, 2, "freeqdbf"); - if (atomic_xchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED) == - QETH_QDIO_UNINITIALIZED) - return; - kfree(card->qdio.in_q); - card->qdio.in_q = NULL; - /* inbound buffer pool */ - qeth_free_buffer_pool(card); - /* free outbound qdio_qs */ - if (card->qdio.out_qs) { - for (i = 0; i < card->qdio.no_out_queues; ++i) { - for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) - qeth_clear_output_buffer(card->qdio.out_qs[i], - &card->qdio.out_qs[i]->bufs[j]); - kfree(card->qdio.out_qs[i]); - } - kfree(card->qdio.out_qs); - card->qdio.out_qs = NULL; - } -} - -static void -qeth_clear_qdio_buffers(struct qeth_card *card) -{ - int i, j; - - QETH_DBF_TEXT(trace, 2, "clearqdbf"); - /* clear outbound buffers to free skbs */ - for (i = 0; i < card->qdio.no_out_queues; ++i) - if (card->qdio.out_qs && card->qdio.out_qs[i]) { - for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) - qeth_clear_output_buffer(card->qdio.out_qs[i], - &card->qdio.out_qs[i]->bufs[j]); - } -} - -static void -qeth_init_qdio_info(struct qeth_card *card) -{ - QETH_DBF_TEXT(setup, 4, "intqdinf"); - atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED); - /* inbound */ - card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT; - card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT; - card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count; - INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list); - INIT_LIST_HEAD(&card->qdio.init_pool.entry_list); -} - -static int -qeth_init_qdio_queues(struct qeth_card *card) -{ - int i, j; - int rc; - - QETH_DBF_TEXT(setup, 2, "initqdqs"); - - /* inbound queue */ - memset(card->qdio.in_q->qdio_bufs, 0, - QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer)); - qeth_initialize_working_pool_list(card); - /*give only as many buffers to hardware as we have buffer pool entries*/ - for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i) - qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]); - card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1; - rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0, - card->qdio.in_buf_pool.buf_count - 1, NULL); - if (rc) { - QETH_DBF_TEXT_(setup, 2, "1err%d", rc); - return rc; - } - rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0); - if (rc) { - QETH_DBF_TEXT_(setup, 2, "2err%d", rc); - return rc; - } - /* outbound queue */ - for (i = 0; i < card->qdio.no_out_queues; ++i){ - memset(card->qdio.out_qs[i]->qdio_bufs, 0, - QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer)); - for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){ - qeth_clear_output_buffer(card->qdio.out_qs[i], - &card->qdio.out_qs[i]->bufs[j]); - } - card->qdio.out_qs[i]->card = card; - card->qdio.out_qs[i]->next_buf_to_fill = 0; - card->qdio.out_qs[i]->do_pack = 0; - atomic_set(&card->qdio.out_qs[i]->used_buffers,0); - atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0); - atomic_set(&card->qdio.out_qs[i]->state, - QETH_OUT_Q_UNLOCKED); - } - return 0; -} - -static int -qeth_qdio_establish(struct qeth_card *card) -{ - struct qdio_initialize init_data; - char *qib_param_field; - struct qdio_buffer **in_sbal_ptrs; - struct qdio_buffer **out_sbal_ptrs; - int i, j, k; - int rc = 0; - - QETH_DBF_TEXT(setup, 2, "qdioest"); - - qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char), - GFP_KERNEL); - if (!qib_param_field) - return -ENOMEM; - - qeth_create_qib_param_field(card, qib_param_field); - qeth_create_qib_param_field_blkt(card, qib_param_field); - - in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *), - GFP_KERNEL); - if (!in_sbal_ptrs) { - kfree(qib_param_field); - return -ENOMEM; - } - for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) - in_sbal_ptrs[i] = (struct qdio_buffer *) - virt_to_phys(card->qdio.in_q->bufs[i].buffer); - - out_sbal_ptrs = - kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q * - sizeof(void *), GFP_KERNEL); - if (!out_sbal_ptrs) { - kfree(in_sbal_ptrs); - kfree(qib_param_field); - return -ENOMEM; - } - for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i) - for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){ - out_sbal_ptrs[k] = (struct qdio_buffer *) - virt_to_phys(card->qdio.out_qs[i]-> - bufs[j].buffer); - } - - memset(&init_data, 0, sizeof(struct qdio_initialize)); - init_data.cdev = CARD_DDEV(card); - init_data.q_format = qeth_get_qdio_q_format(card); - init_data.qib_param_field_format = 0; - init_data.qib_param_field = qib_param_field; - init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD; - init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD; - init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD; - init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD; - init_data.no_input_qs = 1; - init_data.no_output_qs = card->qdio.no_out_queues; - init_data.input_handler = (qdio_handler_t *) - qeth_qdio_input_handler; - init_data.output_handler = (qdio_handler_t *) - qeth_qdio_output_handler; - init_data.int_parm = (unsigned long) card; - init_data.flags = QDIO_INBOUND_0COPY_SBALS | - QDIO_OUTBOUND_0COPY_SBALS | - QDIO_USE_OUTBOUND_PCIS; - init_data.input_sbal_addr_array = (void **) in_sbal_ptrs; - init_data.output_sbal_addr_array = (void **) out_sbal_ptrs; - - if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED, - QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED) - if ((rc = qdio_initialize(&init_data))) - atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); - - kfree(out_sbal_ptrs); - kfree(in_sbal_ptrs); - kfree(qib_param_field); - return rc; -} - -static int -qeth_qdio_activate(struct qeth_card *card) -{ - QETH_DBF_TEXT(setup,3,"qdioact"); - return qdio_activate(CARD_DDEV(card), 0); -} - -static int -qeth_clear_channel(struct qeth_channel *channel) -{ - unsigned long flags; - struct qeth_card *card; - int rc; - - QETH_DBF_TEXT(trace,3,"clearch"); - card = CARD_FROM_CDEV(channel->ccwdev); - spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); - rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM); - spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); - - if (rc) - return rc; - rc = wait_event_interruptible_timeout(card->wait_q, - channel->state==CH_STATE_STOPPED, QETH_TIMEOUT); - if (rc == -ERESTARTSYS) - return rc; - if (channel->state != CH_STATE_STOPPED) - return -ETIME; - channel->state = CH_STATE_DOWN; - return 0; -} - -static int -qeth_halt_channel(struct qeth_channel *channel) -{ - unsigned long flags; - struct qeth_card *card; - int rc; - - QETH_DBF_TEXT(trace,3,"haltch"); - card = CARD_FROM_CDEV(channel->ccwdev); - spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); - rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM); - spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); - - if (rc) - return rc; - rc = wait_event_interruptible_timeout(card->wait_q, - channel->state==CH_STATE_HALTED, QETH_TIMEOUT); - if (rc == -ERESTARTSYS) - return rc; - if (channel->state != CH_STATE_HALTED) - return -ETIME; - return 0; -} - -static int -qeth_halt_channels(struct qeth_card *card) -{ - int rc1 = 0, rc2=0, rc3 = 0; - - QETH_DBF_TEXT(trace,3,"haltchs"); - rc1 = qeth_halt_channel(&card->read); - rc2 = qeth_halt_channel(&card->write); - rc3 = qeth_halt_channel(&card->data); - if (rc1) - return rc1; - if (rc2) - return rc2; - return rc3; -} -static int -qeth_clear_channels(struct qeth_card *card) -{ - int rc1 = 0, rc2=0, rc3 = 0; - - QETH_DBF_TEXT(trace,3,"clearchs"); - rc1 = qeth_clear_channel(&card->read); - rc2 = qeth_clear_channel(&card->write); - rc3 = qeth_clear_channel(&card->data); - if (rc1) - return rc1; - if (rc2) - return rc2; - return rc3; -} - -static int -qeth_clear_halt_card(struct qeth_card *card, int halt) -{ - int rc = 0; - - QETH_DBF_TEXT(trace,3,"clhacrd"); - QETH_DBF_HEX(trace, 3, &card, sizeof(void *)); - - if (halt) - rc = qeth_halt_channels(card); - if (rc) - return rc; - return qeth_clear_channels(card); -} - -static int -qeth_qdio_clear_card(struct qeth_card *card, int use_halt) -{ - int rc = 0; - - QETH_DBF_TEXT(trace,3,"qdioclr"); - switch (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ESTABLISHED, - QETH_QDIO_CLEANING)) { - case QETH_QDIO_ESTABLISHED: - if ((rc = qdio_cleanup(CARD_DDEV(card), - (card->info.type == QETH_CARD_TYPE_IQD) ? - QDIO_FLAG_CLEANUP_USING_HALT : - QDIO_FLAG_CLEANUP_USING_CLEAR))) - QETH_DBF_TEXT_(trace, 3, "1err%d", rc); - atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); - break; - case QETH_QDIO_CLEANING: - return rc; - default: - break; - } - if ((rc = qeth_clear_halt_card(card, use_halt))) - QETH_DBF_TEXT_(trace, 3, "2err%d", rc); - card->state = CARD_STATE_DOWN; - return rc; -} - -static int -qeth_dm_act(struct qeth_card *card) -{ - int rc; - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT(setup,2,"dmact"); - - iob = qeth_wait_for_buffer(&card->write); - memcpy(iob->data, DM_ACT, DM_ACT_SIZE); - - memcpy(QETH_DM_ACT_DEST_ADDR(iob->data), - &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); - memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data), - &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); - rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL); - return rc; -} - -static int -qeth_mpc_initialize(struct qeth_card *card) -{ - int rc; - - QETH_DBF_TEXT(setup,2,"mpcinit"); - - if ((rc = qeth_issue_next_read(card))){ - QETH_DBF_TEXT_(setup, 2, "1err%d", rc); - return rc; - } - if ((rc = qeth_cm_enable(card))){ - QETH_DBF_TEXT_(setup, 2, "2err%d", rc); - goto out_qdio; - } - if ((rc = qeth_cm_setup(card))){ - QETH_DBF_TEXT_(setup, 2, "3err%d", rc); - goto out_qdio; - } - if ((rc = qeth_ulp_enable(card))){ - QETH_DBF_TEXT_(setup, 2, "4err%d", rc); - goto out_qdio; - } - if ((rc = qeth_ulp_setup(card))){ - QETH_DBF_TEXT_(setup, 2, "5err%d", rc); - goto out_qdio; - } - if ((rc = qeth_alloc_qdio_buffers(card))){ - QETH_DBF_TEXT_(setup, 2, "5err%d", rc); - goto out_qdio; - } - if ((rc = qeth_qdio_establish(card))){ - QETH_DBF_TEXT_(setup, 2, "6err%d", rc); - qeth_free_qdio_buffers(card); - goto out_qdio; - } - if ((rc = qeth_qdio_activate(card))){ - QETH_DBF_TEXT_(setup, 2, "7err%d", rc); - goto out_qdio; - } - if ((rc = qeth_dm_act(card))){ - QETH_DBF_TEXT_(setup, 2, "8err%d", rc); - goto out_qdio; - } - - return 0; -out_qdio: - qeth_qdio_clear_card(card, card->info.type!=QETH_CARD_TYPE_IQD); - return rc; -} - -static struct net_device * -qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype) -{ - struct net_device *dev = NULL; - - switch (type) { - case QETH_CARD_TYPE_OSAE: - switch (linktype) { - case QETH_LINK_TYPE_LANE_TR: - case QETH_LINK_TYPE_HSTR: -#ifdef CONFIG_TR - dev = alloc_trdev(0); -#endif /* CONFIG_TR */ - break; - default: - dev = alloc_etherdev(0); - } - break; - case QETH_CARD_TYPE_IQD: - dev = alloc_netdev(0, "hsi%d", ether_setup); - break; - case QETH_CARD_TYPE_OSN: - dev = alloc_netdev(0, "osn%d", ether_setup); - break; - default: - dev = alloc_etherdev(0); - } - return dev; -} - -/*hard_header fake function; used in case fake_ll is set */ -static int -qeth_fake_header(struct sk_buff *skb, struct net_device *dev, - unsigned short type, const void *daddr, const void *saddr, - unsigned len) -{ - if(dev->type == ARPHRD_IEEE802_TR){ - struct trh_hdr *hdr; - hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR); - memcpy(hdr->saddr, dev->dev_addr, TR_ALEN); - memcpy(hdr->daddr, "FAKELL", TR_ALEN); - return QETH_FAKE_LL_LEN_TR; - - } else { - struct ethhdr *hdr; - hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH); - memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN); - memcpy(hdr->h_dest, "FAKELL", ETH_ALEN); - if (type != ETH_P_802_3) - hdr->h_proto = htons(type); - else - hdr->h_proto = htons(len); - return QETH_FAKE_LL_LEN_ETH; - - } -} - -static const struct header_ops qeth_fake_ops = { - .create = qeth_fake_header, - .parse = qeth_hard_header_parse, -}; - -static int -qeth_send_packet(struct qeth_card *, struct sk_buff *); - -static int -qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - int rc; - struct qeth_card *card; - - QETH_DBF_TEXT(trace, 6, "hrdstxmi"); - card = (struct qeth_card *)dev->priv; - if (skb==NULL) { - card->stats.tx_dropped++; - card->stats.tx_errors++; - /* return OK; otherwise ksoftirqd goes to 100% */ - return NETDEV_TX_OK; - } - if ((card->state != CARD_STATE_UP) || !card->lan_online) { - card->stats.tx_dropped++; - card->stats.tx_errors++; - card->stats.tx_carrier_errors++; - dev_kfree_skb_any(skb); - /* return OK; otherwise ksoftirqd goes to 100% */ - return NETDEV_TX_OK; - } - if (card->options.performance_stats) { - card->perf_stats.outbound_cnt++; - card->perf_stats.outbound_start_time = qeth_get_micros(); - } - netif_stop_queue(dev); - if ((rc = qeth_send_packet(card, skb))) { - if (rc == -EBUSY) { - return NETDEV_TX_BUSY; - } else { - card->stats.tx_errors++; - card->stats.tx_dropped++; - dev_kfree_skb_any(skb); - /*set to OK; otherwise ksoftirqd goes to 100% */ - rc = NETDEV_TX_OK; - } - } - netif_wake_queue(dev); - if (card->options.performance_stats) - card->perf_stats.outbound_time += qeth_get_micros() - - card->perf_stats.outbound_start_time; - return rc; -} - -static int -qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card) -{ - int rc = 0; -#ifdef CONFIG_QETH_VLAN - struct vlan_group *vg; - int i; - - if (!(vg = card->vlangrp)) - return rc; - - for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){ - if (vlan_group_get_device(vg, i) == dev){ - rc = QETH_VLAN_CARD; - break; - } - } - if (rc && !(vlan_dev_info(dev)->real_dev->priv == (void *)card)) - return 0; - -#endif - return rc; -} - -static int -qeth_verify_dev(struct net_device *dev) -{ - struct qeth_card *card; - unsigned long flags; - int rc = 0; - - read_lock_irqsave(&qeth_card_list.rwlock, flags); - list_for_each_entry(card, &qeth_card_list.list, list){ - if (card->dev == dev){ - rc = QETH_REAL_CARD; - break; - } - rc = qeth_verify_vlan_dev(dev, card); - if (rc) - break; - } - read_unlock_irqrestore(&qeth_card_list.rwlock, flags); - - return rc; -} - -static struct qeth_card * -qeth_get_card_from_dev(struct net_device *dev) -{ - struct qeth_card *card = NULL; - int rc; - - rc = qeth_verify_dev(dev); - if (rc == QETH_REAL_CARD) - card = (struct qeth_card *)dev->priv; - else if (rc == QETH_VLAN_CARD) - card = (struct qeth_card *) - vlan_dev_info(dev)->real_dev->priv; - - QETH_DBF_TEXT_(trace, 4, "%d", rc); - return card ; -} - -static void -qeth_tx_timeout(struct net_device *dev) -{ - struct qeth_card *card; - - card = (struct qeth_card *) dev->priv; - card->stats.tx_errors++; - qeth_schedule_recovery(card); -} - -static int -qeth_open(struct net_device *dev) -{ - struct qeth_card *card; - - QETH_DBF_TEXT(trace, 4, "qethopen"); - - card = (struct qeth_card *) dev->priv; - - if (card->state != CARD_STATE_SOFTSETUP) - return -ENODEV; - - if ( (card->info.type != QETH_CARD_TYPE_OSN) && - (card->options.layer2) && - (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) { - QETH_DBF_TEXT(trace,4,"nomacadr"); - return -EPERM; - } - card->data.state = CH_STATE_UP; - card->state = CARD_STATE_UP; - card->dev->flags |= IFF_UP; - netif_start_queue(dev); - - if (!card->lan_online && netif_carrier_ok(dev)) - netif_carrier_off(dev); - return 0; -} - -static int -qeth_stop(struct net_device *dev) -{ - struct qeth_card *card; - - QETH_DBF_TEXT(trace, 4, "qethstop"); - - card = (struct qeth_card *) dev->priv; - - netif_tx_disable(dev); - card->dev->flags &= ~IFF_UP; - if (card->state == CARD_STATE_UP) - card->state = CARD_STATE_SOFTSETUP; - return 0; -} - -static int -qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb) -{ - int cast_type = RTN_UNSPEC; - - if (card->info.type == QETH_CARD_TYPE_OSN) - return cast_type; - - if (skb->dst && skb->dst->neighbour){ - cast_type = skb->dst->neighbour->type; - if ((cast_type == RTN_BROADCAST) || - (cast_type == RTN_MULTICAST) || - (cast_type == RTN_ANYCAST)) - return cast_type; - else - return RTN_UNSPEC; - } - /* try something else */ - if (skb->protocol == ETH_P_IPV6) - return (skb_network_header(skb)[24] == 0xff) ? - RTN_MULTICAST : 0; - else if (skb->protocol == ETH_P_IP) - return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ? - RTN_MULTICAST : 0; - /* ... */ - if (!memcmp(skb->data, skb->dev->broadcast, 6)) - return RTN_BROADCAST; - else { - u16 hdr_mac; - - hdr_mac = *((u16 *)skb->data); - /* tr multicast? */ - switch (card->info.link_type) { - case QETH_LINK_TYPE_HSTR: - case QETH_LINK_TYPE_LANE_TR: - if ((hdr_mac == QETH_TR_MAC_NC) || - (hdr_mac == QETH_TR_MAC_C)) - return RTN_MULTICAST; - break; - /* eth or so multicast? */ - default: - if ((hdr_mac == QETH_ETH_MAC_V4) || - (hdr_mac == QETH_ETH_MAC_V6)) - return RTN_MULTICAST; - } - } - return cast_type; -} - -static int -qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb, - int ipv, int cast_type) -{ - if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE)) - return card->qdio.default_out_queue; - switch (card->qdio.no_out_queues) { - case 4: - if (cast_type && card->info.is_multicast_different) - return card->info.is_multicast_different & - (card->qdio.no_out_queues - 1); - if (card->qdio.do_prio_queueing && (ipv == 4)) { - const u8 tos = ip_hdr(skb)->tos; - - if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){ - if (tos & IP_TOS_NOTIMPORTANT) - return 3; - if (tos & IP_TOS_HIGHRELIABILITY) - return 2; - if (tos & IP_TOS_HIGHTHROUGHPUT) - return 1; - if (tos & IP_TOS_LOWDELAY) - return 0; - } - if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC) - return 3 - (tos >> 6); - } else if (card->qdio.do_prio_queueing && (ipv == 6)) { - /* TODO: IPv6!!! */ - } - return card->qdio.default_out_queue; - case 1: /* fallthrough for single-out-queue 1920-device */ - default: - return card->qdio.default_out_queue; - } -} - -static inline int -qeth_get_ip_version(struct sk_buff *skb) -{ - switch (skb->protocol) { - case ETH_P_IPV6: - return 6; - case ETH_P_IP: - return 4; - default: - return 0; - } -} - -static struct qeth_hdr * -__qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, int ipv) -{ -#ifdef CONFIG_QETH_VLAN - u16 *tag; - if (card->vlangrp && vlan_tx_tag_present(skb) && - ((ipv == 6) || card->options.layer2) ) { - /* - * Move the mac addresses (6 bytes src, 6 bytes dest) - * to the beginning of the new header. We are using three - * memcpys instead of one memmove to save cycles. - */ - skb_push(skb, VLAN_HLEN); - skb_copy_to_linear_data(skb, skb->data + 4, 4); - skb_copy_to_linear_data_offset(skb, 4, skb->data + 8, 4); - skb_copy_to_linear_data_offset(skb, 8, skb->data + 12, 4); - tag = (u16 *)(skb->data + 12); - /* - * first two bytes = ETH_P_8021Q (0x8100) - * second two bytes = VLANID - */ - *tag = __constant_htons(ETH_P_8021Q); - *(tag + 1) = htons(vlan_tx_tag_get(skb)); - } -#endif - return ((struct qeth_hdr *) - qeth_push_skb(card, skb, sizeof(struct qeth_hdr))); -} - -static void -__qeth_free_new_skb(struct sk_buff *orig_skb, struct sk_buff *new_skb) -{ - if (orig_skb != new_skb) - dev_kfree_skb_any(new_skb); -} - -static struct sk_buff * -qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, - struct qeth_hdr **hdr, int ipv) -{ - struct sk_buff *new_skb, *new_skb2; - - QETH_DBF_TEXT(trace, 6, "prepskb"); - new_skb = skb; - new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC); - if (!new_skb) - return NULL; - new_skb2 = qeth_realloc_headroom(card, new_skb, - sizeof(struct qeth_hdr)); - if (!new_skb2) { - __qeth_free_new_skb(skb, new_skb); - return NULL; - } - if (new_skb != skb) - __qeth_free_new_skb(new_skb2, new_skb); - new_skb = new_skb2; - *hdr = __qeth_prepare_skb(card, new_skb, ipv); - if (*hdr == NULL) { - __qeth_free_new_skb(skb, new_skb); - return NULL; - } - return new_skb; -} - -static inline u8 -qeth_get_qeth_hdr_flags4(int cast_type) -{ - if (cast_type == RTN_MULTICAST) - return QETH_CAST_MULTICAST; - if (cast_type == RTN_BROADCAST) - return QETH_CAST_BROADCAST; - return QETH_CAST_UNICAST; -} - -static inline u8 -qeth_get_qeth_hdr_flags6(int cast_type) -{ - u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6; - if (cast_type == RTN_MULTICAST) - return ct | QETH_CAST_MULTICAST; - if (cast_type == RTN_ANYCAST) - return ct | QETH_CAST_ANYCAST; - if (cast_type == RTN_BROADCAST) - return ct | QETH_CAST_BROADCAST; - return ct | QETH_CAST_UNICAST; -} - -static void -qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr, - struct sk_buff *skb) -{ - __u16 hdr_mac; - - if (!memcmp(skb->data+QETH_HEADER_SIZE, - skb->dev->broadcast,6)) { /* broadcast? */ - *(__u32 *)hdr->hdr.l2.flags |= - QETH_LAYER2_FLAG_BROADCAST << 8; - return; - } - hdr_mac=*((__u16*)skb->data); - /* tr multicast? */ - switch (card->info.link_type) { - case QETH_LINK_TYPE_HSTR: - case QETH_LINK_TYPE_LANE_TR: - if ((hdr_mac == QETH_TR_MAC_NC) || - (hdr_mac == QETH_TR_MAC_C) ) - *(__u32 *)hdr->hdr.l2.flags |= - QETH_LAYER2_FLAG_MULTICAST << 8; - else - *(__u32 *)hdr->hdr.l2.flags |= - QETH_LAYER2_FLAG_UNICAST << 8; - break; - /* eth or so multicast? */ - default: - if ( (hdr_mac==QETH_ETH_MAC_V4) || - (hdr_mac==QETH_ETH_MAC_V6) ) - *(__u32 *)hdr->hdr.l2.flags |= - QETH_LAYER2_FLAG_MULTICAST << 8; - else - *(__u32 *)hdr->hdr.l2.flags |= - QETH_LAYER2_FLAG_UNICAST << 8; - } -} - -static void -qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, - struct sk_buff *skb, int cast_type) -{ - memset(hdr, 0, sizeof(struct qeth_hdr)); - hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; - - /* set byte 0 to "0x02" and byte 3 to casting flags */ - if (cast_type==RTN_MULTICAST) - *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8; - else if (cast_type==RTN_BROADCAST) - *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8; - else - qeth_layer2_get_packet_type(card, hdr, skb); - - hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE; -#ifdef CONFIG_QETH_VLAN - /* VSWITCH relies on the VLAN - * information to be present in - * the QDIO header */ - if ((card->vlangrp != NULL) && - vlan_tx_tag_present(skb)) { - *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8; - hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb); - } -#endif -} - -void -qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, - struct sk_buff *skb, int ipv, int cast_type) -{ - QETH_DBF_TEXT(trace, 6, "fillhdr"); - - memset(hdr, 0, sizeof(struct qeth_hdr)); - if (card->options.layer2) { - qeth_layer2_fill_header(card, hdr, skb, cast_type); - return; - } - hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; - hdr->hdr.l3.ext_flags = 0; -#ifdef CONFIG_QETH_VLAN - /* - * before we're going to overwrite this location with next hop ip. - * v6 uses passthrough, v4 sets the tag in the QDIO header. - */ - if (card->vlangrp && vlan_tx_tag_present(skb)) { - hdr->hdr.l3.ext_flags = (ipv == 4) ? - QETH_HDR_EXT_VLAN_FRAME : - QETH_HDR_EXT_INCLUDE_VLAN_TAG; - hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb); - } -#endif /* CONFIG_QETH_VLAN */ - hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); - if (ipv == 4) { /* IPv4 */ - hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type); - memset(hdr->hdr.l3.dest_addr, 0, 12); - if ((skb->dst) && (skb->dst->neighbour)) { - *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = - *((u32 *) skb->dst->neighbour->primary_key); - } else { - /* fill in destination address used in ip header */ - *((u32 *)(&hdr->hdr.l3.dest_addr[12])) = - ip_hdr(skb)->daddr; - } - } else if (ipv == 6) { /* IPv6 or passthru */ - hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type); - if ((skb->dst) && (skb->dst->neighbour)) { - memcpy(hdr->hdr.l3.dest_addr, - skb->dst->neighbour->primary_key, 16); - } else { - /* fill in destination address used in ip header */ - memcpy(hdr->hdr.l3.dest_addr, - &ipv6_hdr(skb)->daddr, 16); - } - } else { /* passthrough */ - if((skb->dev->type == ARPHRD_IEEE802_TR) && - !memcmp(skb->data + sizeof(struct qeth_hdr) + - sizeof(__u16), skb->dev->broadcast, 6)) { - hdr->hdr.l3.flags = QETH_CAST_BROADCAST | - QETH_HDR_PASSTHRU; - } else if (!memcmp(skb->data + sizeof(struct qeth_hdr), - skb->dev->broadcast, 6)) { /* broadcast? */ - hdr->hdr.l3.flags = QETH_CAST_BROADCAST | - QETH_HDR_PASSTHRU; - } else { - hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ? - QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU : - QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; - } - } -} - -static void -__qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer, - int is_tso, int *next_element_to_fill) -{ - int length = skb->len; - int length_here; - int element; - char *data; - int first_lap ; - - element = *next_element_to_fill; - data = skb->data; - first_lap = (is_tso == 0 ? 1 : 0); - - while (length > 0) { - /* length_here is the remaining amount of data in this page */ - length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE); - if (length < length_here) - length_here = length; - - buffer->element[element].addr = data; - buffer->element[element].length = length_here; - length -= length_here; - if (!length) { - if (first_lap) - buffer->element[element].flags = 0; - else - buffer->element[element].flags = - SBAL_FLAGS_LAST_FRAG; - } else { - if (first_lap) - buffer->element[element].flags = - SBAL_FLAGS_FIRST_FRAG; - else - buffer->element[element].flags = - SBAL_FLAGS_MIDDLE_FRAG; - } - data += length_here; - element++; - first_lap = 0; - } - *next_element_to_fill = element; -} - -static int -qeth_fill_buffer(struct qeth_qdio_out_q *queue, - struct qeth_qdio_out_buffer *buf, - struct sk_buff *skb) -{ - struct qdio_buffer *buffer; - struct qeth_hdr_tso *hdr; - int flush_cnt = 0, hdr_len, large_send = 0; - - QETH_DBF_TEXT(trace, 6, "qdfillbf"); - - buffer = buf->buffer; - atomic_inc(&skb->users); - skb_queue_tail(&buf->skb_list, skb); - - hdr = (struct qeth_hdr_tso *) skb->data; - /*check first on TSO ....*/ - if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) { - int element = buf->next_element_to_fill; - - hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len; - /*fill first buffer entry only with header information */ - buffer->element[element].addr = skb->data; - buffer->element[element].length = hdr_len; - buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG; - buf->next_element_to_fill++; - skb->data += hdr_len; - skb->len -= hdr_len; - large_send = 1; - } - if (skb_shinfo(skb)->nr_frags == 0) - __qeth_fill_buffer(skb, buffer, large_send, - (int *)&buf->next_element_to_fill); - else - __qeth_fill_buffer_frag(skb, buffer, large_send, - (int *)&buf->next_element_to_fill); - - if (!queue->do_pack) { - QETH_DBF_TEXT(trace, 6, "fillbfnp"); - /* set state to PRIMED -> will be flushed */ - atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); - flush_cnt = 1; - } else { - QETH_DBF_TEXT(trace, 6, "fillbfpa"); - if (queue->card->options.performance_stats) - queue->card->perf_stats.skbs_sent_pack++; - if (buf->next_element_to_fill >= - QETH_MAX_BUFFER_ELEMENTS(queue->card)) { - /* - * packed buffer if full -> set state PRIMED - * -> will be flushed - */ - atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); - flush_cnt = 1; - } - } - return flush_cnt; -} - -static int -qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue, - struct sk_buff *skb, struct qeth_hdr *hdr, - int elements_needed, - struct qeth_eddp_context *ctx) -{ - struct qeth_qdio_out_buffer *buffer; - int buffers_needed = 0; - int flush_cnt = 0; - int index; - - QETH_DBF_TEXT(trace, 6, "dosndpfa"); - - /* spin until we get the queue ... */ - while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED, - QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED); - /* ... now we've got the queue */ - index = queue->next_buf_to_fill; - buffer = &queue->bufs[queue->next_buf_to_fill]; - /* - * check if buffer is empty to make sure that we do not 'overtake' - * ourselves and try to fill a buffer that is already primed - */ - if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) - goto out; - if (ctx == NULL) - queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % - QDIO_MAX_BUFFERS_PER_Q; - else { - buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx); - if (buffers_needed < 0) - goto out; - queue->next_buf_to_fill = - (queue->next_buf_to_fill + buffers_needed) % - QDIO_MAX_BUFFERS_PER_Q; - } - atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); - if (ctx == NULL) { - qeth_fill_buffer(queue, buffer, skb); - qeth_flush_buffers(queue, 0, index, 1); - } else { - flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index); - WARN_ON(buffers_needed != flush_cnt); - qeth_flush_buffers(queue, 0, index, flush_cnt); - } - return 0; -out: - atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); - return -EBUSY; -} - -static int -qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, - struct sk_buff *skb, struct qeth_hdr *hdr, - int elements_needed, struct qeth_eddp_context *ctx) -{ - struct qeth_qdio_out_buffer *buffer; - int start_index; - int flush_count = 0; - int do_pack = 0; - int tmp; - int rc = 0; - - QETH_DBF_TEXT(trace, 6, "dosndpkt"); - - /* spin until we get the queue ... */ - while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED, - QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED); - start_index = queue->next_buf_to_fill; - buffer = &queue->bufs[queue->next_buf_to_fill]; - /* - * check if buffer is empty to make sure that we do not 'overtake' - * ourselves and try to fill a buffer that is already primed - */ - if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) { - atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); - return -EBUSY; - } - /* check if we need to switch packing state of this queue */ - qeth_switch_to_packing_if_needed(queue); - if (queue->do_pack){ - do_pack = 1; - if (ctx == NULL) { - /* does packet fit in current buffer? */ - if((QETH_MAX_BUFFER_ELEMENTS(card) - - buffer->next_element_to_fill) < elements_needed){ - /* ... no -> set state PRIMED */ - atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED); - flush_count++; - queue->next_buf_to_fill = - (queue->next_buf_to_fill + 1) % - QDIO_MAX_BUFFERS_PER_Q; - buffer = &queue->bufs[queue->next_buf_to_fill]; - /* we did a step forward, so check buffer state - * again */ - if (atomic_read(&buffer->state) != - QETH_QDIO_BUF_EMPTY){ - qeth_flush_buffers(queue, 0, start_index, flush_count); - atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); - return -EBUSY; - } - } - } else { - /* check if we have enough elements (including following - * free buffers) to handle eddp context */ - if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){ - if (net_ratelimit()) - PRINT_WARN("eddp tx_dropped 1\n"); - rc = -EBUSY; - goto out; - } - } - } - if (ctx == NULL) - tmp = qeth_fill_buffer(queue, buffer, skb); - else { - tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill); - if (tmp < 0) { - printk("eddp tx_dropped 2\n"); - rc = - EBUSY; - goto out; - } - } - queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) % - QDIO_MAX_BUFFERS_PER_Q; - flush_count += tmp; -out: - if (flush_count) - qeth_flush_buffers(queue, 0, start_index, flush_count); - else if (!atomic_read(&queue->set_pci_flags_count)) - atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH); - /* - * queue->state will go from LOCKED -> UNLOCKED or from - * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us - * (switch packing state or flush buffer to get another pci flag out). - * In that case we will enter this loop - */ - while (atomic_dec_return(&queue->state)){ - flush_count = 0; - start_index = queue->next_buf_to_fill; - /* check if we can go back to non-packing state */ - flush_count += qeth_switch_to_nonpacking_if_needed(queue); - /* - * check if we need to flush a packing buffer to get a pci - * flag out on the queue - */ - if (!flush_count && !atomic_read(&queue->set_pci_flags_count)) - flush_count += qeth_flush_buffers_on_no_pci(queue); - if (flush_count) - qeth_flush_buffers(queue, 0, start_index, flush_count); - } - /* at this point the queue is UNLOCKED again */ - if (queue->card->options.performance_stats && do_pack) - queue->card->perf_stats.bufs_sent_pack += flush_count; - - return rc; -} - -static int -qeth_get_elements_no(struct qeth_card *card, void *hdr, - struct sk_buff *skb, int elems) -{ - int elements_needed = 0; - - if (skb_shinfo(skb)->nr_frags > 0) - elements_needed = (skb_shinfo(skb)->nr_frags + 1); - if (elements_needed == 0) - elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE) - + skb->len) >> PAGE_SHIFT); - if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){ - PRINT_ERR("Invalid size of IP packet " - "(Number=%d / Length=%d). Discarded.\n", - (elements_needed+elems), skb->len); - return 0; - } - return elements_needed; -} - -static void qeth_tx_csum(struct sk_buff *skb) -{ - int tlen; - - if (skb->protocol == htons(ETH_P_IP)) { - tlen = ntohs(ip_hdr(skb)->tot_len) - (ip_hdr(skb)->ihl << 2); - switch (ip_hdr(skb)->protocol) { - case IPPROTO_TCP: - tcp_hdr(skb)->check = 0; - tcp_hdr(skb)->check = csum_tcpudp_magic( - ip_hdr(skb)->saddr, ip_hdr(skb)->daddr, - tlen, ip_hdr(skb)->protocol, - skb_checksum(skb, skb_transport_offset(skb), - tlen, 0)); - break; - case IPPROTO_UDP: - udp_hdr(skb)->check = 0; - udp_hdr(skb)->check = csum_tcpudp_magic( - ip_hdr(skb)->saddr, ip_hdr(skb)->daddr, - tlen, ip_hdr(skb)->protocol, - skb_checksum(skb, skb_transport_offset(skb), - tlen, 0)); - break; - } - } else if (skb->protocol == htons(ETH_P_IPV6)) { - switch (ipv6_hdr(skb)->nexthdr) { - case IPPROTO_TCP: - tcp_hdr(skb)->check = 0; - tcp_hdr(skb)->check = csum_ipv6_magic( - &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr, - ipv6_hdr(skb)->payload_len, - ipv6_hdr(skb)->nexthdr, - skb_checksum(skb, skb_transport_offset(skb), - ipv6_hdr(skb)->payload_len, 0)); - break; - case IPPROTO_UDP: - udp_hdr(skb)->check = 0; - udp_hdr(skb)->check = csum_ipv6_magic( - &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr, - ipv6_hdr(skb)->payload_len, - ipv6_hdr(skb)->nexthdr, - skb_checksum(skb, skb_transport_offset(skb), - ipv6_hdr(skb)->payload_len, 0)); - break; - } - } -} - -static int -qeth_send_packet(struct qeth_card *card, struct sk_buff *skb) -{ - int ipv = 0; - int cast_type; - struct qeth_qdio_out_q *queue; - struct qeth_hdr *hdr = NULL; - int elements_needed = 0; - enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO; - struct qeth_eddp_context *ctx = NULL; - int tx_bytes = skb->len; - unsigned short nr_frags = skb_shinfo(skb)->nr_frags; - unsigned short tso_size = skb_shinfo(skb)->gso_size; - struct sk_buff *new_skb, *new_skb2; - int rc; - - QETH_DBF_TEXT(trace, 6, "sendpkt"); - - new_skb = skb; - if ((card->info.type == QETH_CARD_TYPE_OSN) && - (skb->protocol == htons(ETH_P_IPV6))) - return -EPERM; - cast_type = qeth_get_cast_type(card, skb); - if ((cast_type == RTN_BROADCAST) && - (card->info.broadcast_capable == 0)) - return -EPERM; - queue = card->qdio.out_qs - [qeth_get_priority_queue(card, skb, ipv, cast_type)]; - if (!card->options.layer2) { - ipv = qeth_get_ip_version(skb); - if ((card->dev->header_ops == &qeth_fake_ops) && ipv) { - new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC); - if (!new_skb) - return -ENOMEM; - if(card->dev->type == ARPHRD_IEEE802_TR){ - skb_pull(new_skb, QETH_FAKE_LL_LEN_TR); - } else { - skb_pull(new_skb, QETH_FAKE_LL_LEN_ETH); - } - } - } - if (skb_is_gso(skb)) - large_send = card->options.large_send; - /* check on OSN device*/ - if (card->info.type == QETH_CARD_TYPE_OSN) - hdr = (struct qeth_hdr *)new_skb->data; - /*are we able to do TSO ? */ - if ((large_send == QETH_LARGE_SEND_TSO) && - (cast_type == RTN_UNSPEC)) { - rc = qeth_tso_prepare_packet(card, new_skb, ipv, cast_type); - if (rc) { - __qeth_free_new_skb(skb, new_skb); - return rc; - } - elements_needed++; - } else if (card->info.type != QETH_CARD_TYPE_OSN) { - new_skb2 = qeth_prepare_skb(card, new_skb, &hdr, ipv); - if (!new_skb2) { - __qeth_free_new_skb(skb, new_skb); - return -EINVAL; - } - if (new_skb != skb) - __qeth_free_new_skb(new_skb2, new_skb); - new_skb = new_skb2; - qeth_fill_header(card, hdr, new_skb, ipv, cast_type); - } - if (large_send == QETH_LARGE_SEND_EDDP) { - ctx = qeth_eddp_create_context(card, new_skb, hdr, - skb->sk->sk_protocol); - if (ctx == NULL) { - __qeth_free_new_skb(skb, new_skb); - PRINT_WARN("could not create eddp context\n"); - return -EINVAL; - } - } else { - int elems = qeth_get_elements_no(card,(void*) hdr, new_skb, - elements_needed); - if (!elems) { - __qeth_free_new_skb(skb, new_skb); - return -EINVAL; - } - elements_needed += elems; - } - - if ((large_send == QETH_LARGE_SEND_NO) && - (skb->ip_summed == CHECKSUM_PARTIAL)) - qeth_tx_csum(new_skb); - - if (card->info.type != QETH_CARD_TYPE_IQD) - rc = qeth_do_send_packet(card, queue, new_skb, hdr, - elements_needed, ctx); - else { - if ((!card->options.layer2) && - (ipv == 0)) { - __qeth_free_new_skb(skb, new_skb); - return -EPERM; - } - rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, - elements_needed, ctx); - } - if (!rc) { - card->stats.tx_packets++; - card->stats.tx_bytes += tx_bytes; - if (new_skb != skb) - dev_kfree_skb_any(skb); - if (card->options.performance_stats) { - if (tso_size && - !(large_send == QETH_LARGE_SEND_NO)) { - card->perf_stats.large_send_bytes += tx_bytes; - card->perf_stats.large_send_cnt++; - } - if (nr_frags > 0) { - card->perf_stats.sg_skbs_sent++; - /* nr_frags + skb->data */ - card->perf_stats.sg_frags_sent += - nr_frags + 1; - } - } - } else { - card->stats.tx_dropped++; - __qeth_free_new_skb(skb, new_skb); - } - if (ctx != NULL) { - /* drop creator's reference */ - qeth_eddp_put_context(ctx); - /* free skb; it's not referenced by a buffer */ - if (!rc) - dev_kfree_skb_any(new_skb); - } - return rc; -} - -static int -qeth_mdio_read(struct net_device *dev, int phy_id, int regnum) -{ - struct qeth_card *card = (struct qeth_card *) dev->priv; - int rc = 0; - - switch(regnum){ - case MII_BMCR: /* Basic mode control register */ - rc = BMCR_FULLDPLX; - if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&& - (card->info.link_type != QETH_LINK_TYPE_OSN) && - (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH)) - rc |= BMCR_SPEED100; - break; - case MII_BMSR: /* Basic mode status register */ - rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS | - BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL | - BMSR_100BASE4; - break; - case MII_PHYSID1: /* PHYS ID 1 */ - rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) | - dev->dev_addr[2]; - rc = (rc >> 5) & 0xFFFF; - break; - case MII_PHYSID2: /* PHYS ID 2 */ - rc = (dev->dev_addr[2] << 10) & 0xFFFF; - break; - case MII_ADVERTISE: /* Advertisement control reg */ - rc = ADVERTISE_ALL; - break; - case MII_LPA: /* Link partner ability reg */ - rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL | - LPA_100BASE4 | LPA_LPACK; - break; - case MII_EXPANSION: /* Expansion register */ - break; - case MII_DCOUNTER: /* disconnect counter */ - break; - case MII_FCSCOUNTER: /* false carrier counter */ - break; - case MII_NWAYTEST: /* N-way auto-neg test register */ - break; - case MII_RERRCOUNTER: /* rx error counter */ - rc = card->stats.rx_errors; - break; - case MII_SREVISION: /* silicon revision */ - break; - case MII_RESV1: /* reserved 1 */ - break; - case MII_LBRERROR: /* loopback, rx, bypass error */ - break; - case MII_PHYADDR: /* physical address */ - break; - case MII_RESV2: /* reserved 2 */ - break; - case MII_TPISTATUS: /* TPI status for 10mbps */ - break; - case MII_NCONFIG: /* network interface config */ - break; - default: - break; - } - return rc; -} - - -static const char * -qeth_arp_get_error_cause(int *rc) -{ - switch (*rc) { - case QETH_IPA_ARP_RC_FAILED: - *rc = -EIO; - return "operation failed"; - case QETH_IPA_ARP_RC_NOTSUPP: - *rc = -EOPNOTSUPP; - return "operation not supported"; - case QETH_IPA_ARP_RC_OUT_OF_RANGE: - *rc = -EINVAL; - return "argument out of range"; - case QETH_IPA_ARP_RC_Q_NOTSUPP: - *rc = -EOPNOTSUPP; - return "query operation not supported"; - case QETH_IPA_ARP_RC_Q_NO_DATA: - *rc = -ENOENT; - return "no query data available"; - default: - return "unknown error"; - } -} - -static int -qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs, - __u16, long); - -static int -qeth_arp_set_no_entries(struct qeth_card *card, int no_entries) -{ - int tmp; - int rc; - - QETH_DBF_TEXT(trace,3,"arpstnoe"); - - /* - * currently GuestLAN only supports the ARP assist function - * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES; - * thus we say EOPNOTSUPP for this ARP function - */ - if (card->info.guestlan) - return -EOPNOTSUPP; - if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { - PRINT_WARN("ARP processing not supported " - "on %s!\n", QETH_CARD_IFNAME(card)); - return -EOPNOTSUPP; - } - rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, - IPA_CMD_ASS_ARP_SET_NO_ENTRIES, - no_entries); - if (rc) { - tmp = rc; - PRINT_WARN("Could not set number of ARP entries on %s: " - "%s (0x%x/%d)\n", - QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), - tmp, tmp); - } - return rc; -} - -static void -qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo, - struct qeth_arp_query_data *qdata, - int entry_size, int uentry_size) -{ - char *entry_ptr; - char *uentry_ptr; - int i; - - entry_ptr = (char *)&qdata->data; - uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset); - for (i = 0; i < qdata->no_entries; ++i){ - /* strip off 32 bytes "media specific information" */ - memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32); - entry_ptr += entry_size; - uentry_ptr += uentry_size; - } -} - -static int -qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_ipa_cmd *cmd; - struct qeth_arp_query_data *qdata; - struct qeth_arp_query_info *qinfo; - int entry_size; - int uentry_size; - int i; - - QETH_DBF_TEXT(trace,4,"arpquecb"); - - qinfo = (struct qeth_arp_query_info *) reply->param; - cmd = (struct qeth_ipa_cmd *) data; - if (cmd->hdr.return_code) { - QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code); - return 0; - } - if (cmd->data.setassparms.hdr.return_code) { - cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; - QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code); - return 0; - } - qdata = &cmd->data.setassparms.data.query_arp; - switch(qdata->reply_bits){ - case 5: - uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5); - if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) - uentry_size = sizeof(struct qeth_arp_qi_entry5_short); - break; - case 7: - /* fall through to default */ - default: - /* tr is the same as eth -> entry7 */ - uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7); - if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) - uentry_size = sizeof(struct qeth_arp_qi_entry7_short); - break; - } - /* check if there is enough room in userspace */ - if ((qinfo->udata_len - qinfo->udata_offset) < - qdata->no_entries * uentry_size){ - QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM); - cmd->hdr.return_code = -ENOMEM; - PRINT_WARN("query ARP user space buffer is too small for " - "the returned number of ARP entries. " - "Aborting query!\n"); - goto out_error; - } - QETH_DBF_TEXT_(trace, 4, "anore%i", - cmd->data.setassparms.hdr.number_of_replies); - QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no); - QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries); - - if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) { - /* strip off "media specific information" */ - qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size, - uentry_size); - } else - /*copy entries to user buffer*/ - memcpy(qinfo->udata + qinfo->udata_offset, - (char *)&qdata->data, qdata->no_entries*uentry_size); - - qinfo->no_entries += qdata->no_entries; - qinfo->udata_offset += (qdata->no_entries*uentry_size); - /* check if all replies received ... */ - if (cmd->data.setassparms.hdr.seq_no < - cmd->data.setassparms.hdr.number_of_replies) - return 1; - memcpy(qinfo->udata, &qinfo->no_entries, 4); - /* keep STRIP_ENTRIES flag so the user program can distinguish - * stripped entries from normal ones */ - if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) - qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; - memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2); - return 0; -out_error: - i = 0; - memcpy(qinfo->udata, &i, 4); - return 0; -} - -static int -qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, - int len, int (*reply_cb)(struct qeth_card *, - struct qeth_reply *, - unsigned long), - void *reply_param) -{ - QETH_DBF_TEXT(trace,4,"sendarp"); - - memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); - memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), - &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); - return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, - reply_cb, reply_param); -} - -static int -qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, - int len, int (*reply_cb)(struct qeth_card *, - struct qeth_reply *, - unsigned long), - void *reply_param) -{ - u16 s1, s2; - - QETH_DBF_TEXT(trace,4,"sendsnmp"); - - memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); - memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), - &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); - /* adjust PDU length fields in IPA_PDU_HEADER */ - s1 = (u32) IPA_PDU_HEADER_SIZE + len; - s2 = (u32) len; - memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); - memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); - memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); - memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); - return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, - reply_cb, reply_param); -} - -static struct qeth_cmd_buffer * -qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs, - __u16, __u16, enum qeth_prot_versions); -static int -qeth_arp_query(struct qeth_card *card, char __user *udata) -{ - struct qeth_cmd_buffer *iob; - struct qeth_arp_query_info qinfo = {0, }; - int tmp; - int rc; - - QETH_DBF_TEXT(trace,3,"arpquery"); - - if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ - IPA_ARP_PROCESSING)) { - PRINT_WARN("ARP processing not supported " - "on %s!\n", QETH_CARD_IFNAME(card)); - return -EOPNOTSUPP; - } - /* get size of userspace buffer and mask_bits -> 6 bytes */ - if (copy_from_user(&qinfo, udata, 6)) - return -EFAULT; - if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL))) - return -ENOMEM; - qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; - iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, - IPA_CMD_ASS_ARP_QUERY_INFO, - sizeof(int),QETH_PROT_IPV4); - - rc = qeth_send_ipa_arp_cmd(card, iob, - QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, - qeth_arp_query_cb, (void *)&qinfo); - if (rc) { - tmp = rc; - PRINT_WARN("Error while querying ARP cache on %s: %s " - "(0x%x/%d)\n", - QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), - tmp, tmp); - if (copy_to_user(udata, qinfo.udata, 4)) - rc = -EFAULT; - } else { - if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) - rc = -EFAULT; - } - kfree(qinfo.udata); - return rc; -} - -/** - * SNMP command callback - */ -static int -qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply, - unsigned long sdata) -{ - struct qeth_ipa_cmd *cmd; - struct qeth_arp_query_info *qinfo; - struct qeth_snmp_cmd *snmp; - unsigned char *data; - __u16 data_len; - - QETH_DBF_TEXT(trace,3,"snpcmdcb"); - - cmd = (struct qeth_ipa_cmd *) sdata; - data = (unsigned char *)((char *)cmd - reply->offset); - qinfo = (struct qeth_arp_query_info *) reply->param; - snmp = &cmd->data.setadapterparms.data.snmp; - - if (cmd->hdr.return_code) { - QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code); - return 0; - } - if (cmd->data.setadapterparms.hdr.return_code) { - cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code; - QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code); - return 0; - } - data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data)); - if (cmd->data.setadapterparms.hdr.seq_no == 1) - data_len -= (__u16)((char *)&snmp->data - (char *)cmd); - else - data_len -= (__u16)((char*)&snmp->request - (char *)cmd); - - /* check if there is enough room in userspace */ - if ((qinfo->udata_len - qinfo->udata_offset) < data_len) { - QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM); - cmd->hdr.return_code = -ENOMEM; - return 0; - } - QETH_DBF_TEXT_(trace, 4, "snore%i", - cmd->data.setadapterparms.hdr.used_total); - QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no); - /*copy entries to user buffer*/ - if (cmd->data.setadapterparms.hdr.seq_no == 1) { - memcpy(qinfo->udata + qinfo->udata_offset, - (char *)snmp, - data_len + offsetof(struct qeth_snmp_cmd,data)); - qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data); - } else { - memcpy(qinfo->udata + qinfo->udata_offset, - (char *)&snmp->request, data_len); - } - qinfo->udata_offset += data_len; - /* check if all replies received ... */ - QETH_DBF_TEXT_(trace, 4, "srtot%i", - cmd->data.setadapterparms.hdr.used_total); - QETH_DBF_TEXT_(trace, 4, "srseq%i", - cmd->data.setadapterparms.hdr.seq_no); - if (cmd->data.setadapterparms.hdr.seq_no < - cmd->data.setadapterparms.hdr.used_total) - return 1; - return 0; -} - -static struct qeth_cmd_buffer * -qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds, - enum qeth_prot_versions ); - -static struct qeth_cmd_buffer * -qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen) -{ - struct qeth_cmd_buffer *iob; - struct qeth_ipa_cmd *cmd; - - iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS, - QETH_PROT_IPV4); - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - cmd->data.setadapterparms.hdr.cmdlength = cmdlen; - cmd->data.setadapterparms.hdr.command_code = command; - cmd->data.setadapterparms.hdr.used_total = 1; - cmd->data.setadapterparms.hdr.seq_no = 1; - - return iob; -} - -/** - * function to send SNMP commands to OSA-E card - */ -static int -qeth_snmp_command(struct qeth_card *card, char __user *udata) -{ - struct qeth_cmd_buffer *iob; - struct qeth_ipa_cmd *cmd; - struct qeth_snmp_ureq *ureq; - int req_len; - struct qeth_arp_query_info qinfo = {0, }; - int rc = 0; - - QETH_DBF_TEXT(trace,3,"snmpcmd"); - - if (card->info.guestlan) - return -EOPNOTSUPP; - - if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) && - (!card->options.layer2) ) { - PRINT_WARN("SNMP Query MIBS not supported " - "on %s!\n", QETH_CARD_IFNAME(card)); - return -EOPNOTSUPP; - } - /* skip 4 bytes (data_len struct member) to get req_len */ - if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int))) - return -EFAULT; - ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL); - if (!ureq) { - QETH_DBF_TEXT(trace, 2, "snmpnome"); - return -ENOMEM; - } - if (copy_from_user(ureq, udata, - req_len+sizeof(struct qeth_snmp_ureq_hdr))){ - kfree(ureq); - return -EFAULT; - } - qinfo.udata_len = ureq->hdr.data_len; - if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL))){ - kfree(ureq); - return -ENOMEM; - } - qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr); - - iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL, - QETH_SNMP_SETADP_CMDLENGTH + req_len); - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len); - rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len, - qeth_snmp_command_cb, (void *)&qinfo); - if (rc) - PRINT_WARN("SNMP command failed on %s: (0x%x)\n", - QETH_CARD_IFNAME(card), rc); - else { - if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) - rc = -EFAULT; - } - - kfree(ureq); - kfree(qinfo.udata); - return rc; -} - -static int -qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *, - unsigned long); - -static int -qeth_default_setadapterparms_cb(struct qeth_card *card, - struct qeth_reply *reply, - unsigned long data); -static int -qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, - __u16, long, - int (*reply_cb) - (struct qeth_card *, struct qeth_reply *, unsigned long), - void *reply_param); - -static int -qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry) -{ - struct qeth_cmd_buffer *iob; - char buf[16]; - int tmp; - int rc; - - QETH_DBF_TEXT(trace,3,"arpadent"); - - /* - * currently GuestLAN only supports the ARP assist function - * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY; - * thus we say EOPNOTSUPP for this ARP function - */ - if (card->info.guestlan) - return -EOPNOTSUPP; - if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { - PRINT_WARN("ARP processing not supported " - "on %s!\n", QETH_CARD_IFNAME(card)); - return -EOPNOTSUPP; - } - - iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, - IPA_CMD_ASS_ARP_ADD_ENTRY, - sizeof(struct qeth_arp_cache_entry), - QETH_PROT_IPV4); - rc = qeth_send_setassparms(card, iob, - sizeof(struct qeth_arp_cache_entry), - (unsigned long) entry, - qeth_default_setassparms_cb, NULL); - if (rc) { - tmp = rc; - qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf); - PRINT_WARN("Could not add ARP entry for address %s on %s: " - "%s (0x%x/%d)\n", - buf, QETH_CARD_IFNAME(card), - qeth_arp_get_error_cause(&rc), tmp, tmp); - } - return rc; -} - -static int -qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry) -{ - struct qeth_cmd_buffer *iob; - char buf[16] = {0, }; - int tmp; - int rc; - - QETH_DBF_TEXT(trace,3,"arprment"); - - /* - * currently GuestLAN only supports the ARP assist function - * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY; - * thus we say EOPNOTSUPP for this ARP function - */ - if (card->info.guestlan) - return -EOPNOTSUPP; - if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { - PRINT_WARN("ARP processing not supported " - "on %s!\n", QETH_CARD_IFNAME(card)); - return -EOPNOTSUPP; - } - memcpy(buf, entry, 12); - iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, - IPA_CMD_ASS_ARP_REMOVE_ENTRY, - 12, - QETH_PROT_IPV4); - rc = qeth_send_setassparms(card, iob, - 12, (unsigned long)buf, - qeth_default_setassparms_cb, NULL); - if (rc) { - tmp = rc; - memset(buf, 0, 16); - qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf); - PRINT_WARN("Could not delete ARP entry for address %s on %s: " - "%s (0x%x/%d)\n", - buf, QETH_CARD_IFNAME(card), - qeth_arp_get_error_cause(&rc), tmp, tmp); - } - return rc; -} - -static int -qeth_arp_flush_cache(struct qeth_card *card) -{ - int rc; - int tmp; - - QETH_DBF_TEXT(trace,3,"arpflush"); - - /* - * currently GuestLAN only supports the ARP assist function - * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE; - * thus we say EOPNOTSUPP for this ARP function - */ - if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD)) - return -EOPNOTSUPP; - if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { - PRINT_WARN("ARP processing not supported " - "on %s!\n", QETH_CARD_IFNAME(card)); - return -EOPNOTSUPP; - } - rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, - IPA_CMD_ASS_ARP_FLUSH_CACHE, 0); - if (rc){ - tmp = rc; - PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n", - QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), - tmp, tmp); - } - return rc; -} - -static int -qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -{ - struct qeth_card *card = (struct qeth_card *)dev->priv; - struct qeth_arp_cache_entry arp_entry; - struct mii_ioctl_data *mii_data; - int rc = 0; - - if (!card) - return -ENODEV; - - if ((card->state != CARD_STATE_UP) && - (card->state != CARD_STATE_SOFTSETUP)) - return -ENODEV; - - if (card->info.type == QETH_CARD_TYPE_OSN) - return -EPERM; - - switch (cmd){ - case SIOC_QETH_ARP_SET_NO_ENTRIES: - if ( !capable(CAP_NET_ADMIN) || - (card->options.layer2) ) { - rc = -EPERM; - break; - } - rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue); - break; - case SIOC_QETH_ARP_QUERY_INFO: - if ( !capable(CAP_NET_ADMIN) || - (card->options.layer2) ) { - rc = -EPERM; - break; - } - rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data); - break; - case SIOC_QETH_ARP_ADD_ENTRY: - if ( !capable(CAP_NET_ADMIN) || - (card->options.layer2) ) { - rc = -EPERM; - break; - } - if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, - sizeof(struct qeth_arp_cache_entry))) - rc = -EFAULT; - else - rc = qeth_arp_add_entry(card, &arp_entry); - break; - case SIOC_QETH_ARP_REMOVE_ENTRY: - if ( !capable(CAP_NET_ADMIN) || - (card->options.layer2) ) { - rc = -EPERM; - break; - } - if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, - sizeof(struct qeth_arp_cache_entry))) - rc = -EFAULT; - else - rc = qeth_arp_remove_entry(card, &arp_entry); - break; - case SIOC_QETH_ARP_FLUSH_CACHE: - if ( !capable(CAP_NET_ADMIN) || - (card->options.layer2) ) { - rc = -EPERM; - break; - } - rc = qeth_arp_flush_cache(card); - break; - case SIOC_QETH_ADP_SET_SNMP_CONTROL: - rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); - break; - case SIOC_QETH_GET_CARD_TYPE: - if ((card->info.type == QETH_CARD_TYPE_OSAE) && - !card->info.guestlan) - return 1; - return 0; - break; - case SIOCGMIIPHY: - mii_data = if_mii(rq); - mii_data->phy_id = 0; - break; - case SIOCGMIIREG: - mii_data = if_mii(rq); - if (mii_data->phy_id != 0) - rc = -EINVAL; - else - mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id, - mii_data->reg_num); - break; - default: - rc = -EOPNOTSUPP; - } - if (rc) - QETH_DBF_TEXT_(trace, 2, "ioce%d", rc); - return rc; -} - -static struct net_device_stats * -qeth_get_stats(struct net_device *dev) -{ - struct qeth_card *card; - - card = (struct qeth_card *) (dev->priv); - - QETH_DBF_TEXT(trace,5,"getstat"); - - return &card->stats; -} - -static int -qeth_change_mtu(struct net_device *dev, int new_mtu) -{ - struct qeth_card *card; - char dbf_text[15]; - - card = (struct qeth_card *) (dev->priv); - - QETH_DBF_TEXT(trace,4,"chgmtu"); - sprintf(dbf_text, "%8x", new_mtu); - QETH_DBF_TEXT(trace,4,dbf_text); - - if (new_mtu < 64) - return -EINVAL; - if (new_mtu > 65535) - return -EINVAL; - if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) && - (!qeth_mtu_is_valid(card, new_mtu))) - return -EINVAL; - dev->mtu = new_mtu; - return 0; -} - -#ifdef CONFIG_QETH_VLAN -static void -qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) -{ - struct qeth_card *card; - unsigned long flags; - - QETH_DBF_TEXT(trace,4,"vlanreg"); - - card = (struct qeth_card *) dev->priv; - spin_lock_irqsave(&card->vlanlock, flags); - card->vlangrp = grp; - spin_unlock_irqrestore(&card->vlanlock, flags); -} - -static void -qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf, - unsigned short vid) -{ - int i; - struct sk_buff *skb; - struct sk_buff_head tmp_list; - - skb_queue_head_init(&tmp_list); - lockdep_set_class(&tmp_list.lock, &qdio_out_skb_queue_key); - for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){ - while ((skb = skb_dequeue(&buf->skb_list))){ - if (vlan_tx_tag_present(skb) && - (vlan_tx_tag_get(skb) == vid)) { - atomic_dec(&skb->users); - dev_kfree_skb(skb); - } else - skb_queue_tail(&tmp_list, skb); - } - } - while ((skb = skb_dequeue(&tmp_list))) - skb_queue_tail(&buf->skb_list, skb); -} - -static void -qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid) -{ - int i, j; - - QETH_DBF_TEXT(trace, 4, "frvlskbs"); - for (i = 0; i < card->qdio.no_out_queues; ++i){ - for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) - qeth_free_vlan_buffer(card, &card->qdio. - out_qs[i]->bufs[j], vid); - } -} - -static void -qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid) -{ - struct in_device *in_dev; - struct in_ifaddr *ifa; - struct qeth_ipaddr *addr; - - QETH_DBF_TEXT(trace, 4, "frvaddr4"); - - rcu_read_lock(); - in_dev = __in_dev_get_rcu(vlan_group_get_device(card->vlangrp, vid)); - if (!in_dev) - goto out; - for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { - addr = qeth_get_addr_buffer(QETH_PROT_IPV4); - if (addr){ - addr->u.a4.addr = ifa->ifa_address; - addr->u.a4.mask = ifa->ifa_mask; - addr->type = QETH_IP_TYPE_NORMAL; - if (!qeth_delete_ip(card, addr)) - kfree(addr); - } - } -out: - rcu_read_unlock(); -} - -static void -qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid) -{ -#ifdef CONFIG_QETH_IPV6 - struct inet6_dev *in6_dev; - struct inet6_ifaddr *ifa; - struct qeth_ipaddr *addr; - - QETH_DBF_TEXT(trace, 4, "frvaddr6"); - - in6_dev = in6_dev_get(vlan_group_get_device(card->vlangrp, vid)); - if (!in6_dev) - return; - for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){ - addr = qeth_get_addr_buffer(QETH_PROT_IPV6); - if (addr){ - memcpy(&addr->u.a6.addr, &ifa->addr, - sizeof(struct in6_addr)); - addr->u.a6.pfxlen = ifa->prefix_len; - addr->type = QETH_IP_TYPE_NORMAL; - if (!qeth_delete_ip(card, addr)) - kfree(addr); - } - } - in6_dev_put(in6_dev); -#endif /* CONFIG_QETH_IPV6 */ -} - -static void -qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid) -{ - if (card->options.layer2 || !card->vlangrp) - return; - qeth_free_vlan_addresses4(card, vid); - qeth_free_vlan_addresses6(card, vid); -} - -static int -qeth_layer2_send_setdelvlan_cb(struct qeth_card *card, - struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(trace, 2, "L2sdvcb"); - cmd = (struct qeth_ipa_cmd *) data; - if (cmd->hdr.return_code) { - PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. " - "Continuing\n",cmd->data.setdelvlan.vlan_id, - QETH_CARD_IFNAME(card), cmd->hdr.return_code); - QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command); - QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card)); - QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code); - } - return 0; -} - -static int -qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i, - enum qeth_ipa_cmds ipacmd) -{ - struct qeth_ipa_cmd *cmd; - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd); - iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - cmd->data.setdelvlan.vlan_id = i; - return qeth_send_ipa_cmd(card, iob, - qeth_layer2_send_setdelvlan_cb, NULL); -} - -static void -qeth_layer2_process_vlans(struct qeth_card *card, int clear) -{ - unsigned short i; - - QETH_DBF_TEXT(trace, 3, "L2prcvln"); - - if (!card->vlangrp) - return; - for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { - if (vlan_group_get_device(card->vlangrp, i) == NULL) - continue; - if (clear) - qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN); - else - qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN); - } -} - -/*add_vid is layer 2 used only ....*/ -static void -qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) -{ - struct qeth_card *card; - - QETH_DBF_TEXT_(trace, 4, "aid:%d", vid); - - card = (struct qeth_card *) dev->priv; - if (!card->options.layer2) - return; - qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); -} - -/*... kill_vid used for both modes*/ -static void -qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) -{ - struct qeth_card *card; - unsigned long flags; - - QETH_DBF_TEXT_(trace, 4, "kid:%d", vid); - - card = (struct qeth_card *) dev->priv; - /* free all skbs for the vlan device */ - qeth_free_vlan_skbs(card, vid); - spin_lock_irqsave(&card->vlanlock, flags); - /* unregister IP addresses of vlan device */ - qeth_free_vlan_addresses(card, vid); - vlan_group_set_device(card->vlangrp, vid, NULL); - spin_unlock_irqrestore(&card->vlanlock, flags); - if (card->options.layer2) - qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); - qeth_set_multicast_list(card->dev); -} -#endif -/** - * Examine hardware response to SET_PROMISC_MODE - */ -static int -qeth_setadp_promisc_mode_cb(struct qeth_card *card, - struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_ipa_cmd *cmd; - struct qeth_ipacmd_setadpparms *setparms; - - QETH_DBF_TEXT(trace,4,"prmadpcb"); - - cmd = (struct qeth_ipa_cmd *) data; - setparms = &(cmd->data.setadapterparms); - - qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); - if (cmd->hdr.return_code) { - QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code); - setparms->data.mode = SET_PROMISC_MODE_OFF; - } - card->info.promisc_mode = setparms->data.mode; - return 0; -} -/* - * Set promiscuous mode (on or off) (SET_PROMISC_MODE command) - */ -static void -qeth_setadp_promisc_mode(struct qeth_card *card) -{ - enum qeth_ipa_promisc_modes mode; - struct net_device *dev = card->dev; - struct qeth_cmd_buffer *iob; - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(trace, 4, "setprom"); - - if (((dev->flags & IFF_PROMISC) && - (card->info.promisc_mode == SET_PROMISC_MODE_ON)) || - (!(dev->flags & IFF_PROMISC) && - (card->info.promisc_mode == SET_PROMISC_MODE_OFF))) - return; - mode = SET_PROMISC_MODE_OFF; - if (dev->flags & IFF_PROMISC) - mode = SET_PROMISC_MODE_ON; - QETH_DBF_TEXT_(trace, 4, "mode:%x", mode); - - iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE, - sizeof(struct qeth_ipacmd_setadpparms)); - cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE); - cmd->data.setadapterparms.data.mode = mode; - qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL); -} - -/** - * set multicast address on card - */ -static void -qeth_set_multicast_list(struct net_device *dev) -{ - struct qeth_card *card = (struct qeth_card *) dev->priv; - - if (card->info.type == QETH_CARD_TYPE_OSN) - return ; - - QETH_DBF_TEXT(trace, 3, "setmulti"); - qeth_delete_mc_addresses(card); - if (card->options.layer2) { - qeth_layer2_add_multicast(card); - goto out; - } - qeth_add_multicast_ipv4(card); -#ifdef CONFIG_QETH_IPV6 - qeth_add_multicast_ipv6(card); -#endif -out: - qeth_set_ip_addr_list(card); - if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) - return; - qeth_setadp_promisc_mode(card); -} - -static int -qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np) -{ - return 0; -} - -static void -qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev) -{ - if (dev->type == ARPHRD_IEEE802_TR) - ip_tr_mc_map(ipm, mac); - else - ip_eth_mc_map(ipm, mac); -} - -static struct qeth_ipaddr * -qeth_get_addr_buffer(enum qeth_prot_versions prot) -{ - struct qeth_ipaddr *addr; - - addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC); - if (addr == NULL) { - PRINT_WARN("Not enough memory to add address\n"); - return NULL; - } - addr->type = QETH_IP_TYPE_NORMAL; - addr->proto = prot; - return addr; -} - -int -qeth_osn_assist(struct net_device *dev, - void *data, - int data_len) -{ - struct qeth_cmd_buffer *iob; - struct qeth_card *card; - int rc; - - QETH_DBF_TEXT(trace, 2, "osnsdmc"); - if (!dev) - return -ENODEV; - card = (struct qeth_card *)dev->priv; - if (!card) - return -ENODEV; - if ((card->state != CARD_STATE_UP) && - (card->state != CARD_STATE_SOFTSETUP)) - return -ENODEV; - iob = qeth_wait_for_buffer(&card->write); - memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len); - rc = qeth_osn_send_ipa_cmd(card, iob, data_len); - return rc; -} - -static struct net_device * -qeth_netdev_by_devno(unsigned char *read_dev_no) -{ - struct qeth_card *card; - struct net_device *ndev; - unsigned char *readno; - __u16 temp_dev_no, card_dev_no; - char *endp; - unsigned long flags; - - ndev = NULL; - memcpy(&temp_dev_no, read_dev_no, 2); - read_lock_irqsave(&qeth_card_list.rwlock, flags); - list_for_each_entry(card, &qeth_card_list.list, list) { - readno = CARD_RDEV_ID(card); - readno += (strlen(readno) - 4); - card_dev_no = simple_strtoul(readno, &endp, 16); - if (card_dev_no == temp_dev_no) { - ndev = card->dev; - break; - } - } - read_unlock_irqrestore(&qeth_card_list.rwlock, flags); - return ndev; -} - -int -qeth_osn_register(unsigned char *read_dev_no, - struct net_device **dev, - int (*assist_cb)(struct net_device *, void *), - int (*data_cb)(struct sk_buff *)) -{ - struct qeth_card * card; - - QETH_DBF_TEXT(trace, 2, "osnreg"); - *dev = qeth_netdev_by_devno(read_dev_no); - if (*dev == NULL) - return -ENODEV; - card = (struct qeth_card *)(*dev)->priv; - if (!card) - return -ENODEV; - if ((assist_cb == NULL) || (data_cb == NULL)) - return -EINVAL; - card->osn_info.assist_cb = assist_cb; - card->osn_info.data_cb = data_cb; - return 0; -} - -void -qeth_osn_deregister(struct net_device * dev) -{ - struct qeth_card *card; - - QETH_DBF_TEXT(trace, 2, "osndereg"); - if (!dev) - return; - card = (struct qeth_card *)dev->priv; - if (!card) - return; - card->osn_info.assist_cb = NULL; - card->osn_info.data_cb = NULL; - return; -} - -static void -qeth_delete_mc_addresses(struct qeth_card *card) -{ - struct qeth_ipaddr *iptodo; - unsigned long flags; - - QETH_DBF_TEXT(trace,4,"delmc"); - iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4); - if (!iptodo) { - QETH_DBF_TEXT(trace, 2, "dmcnomem"); - return; - } - iptodo->type = QETH_IP_TYPE_DEL_ALL_MC; - spin_lock_irqsave(&card->ip_lock, flags); - if (!__qeth_insert_ip_todo(card, iptodo, 0)) - kfree(iptodo); - spin_unlock_irqrestore(&card->ip_lock, flags); -} - -static void -qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev) -{ - struct qeth_ipaddr *ipm; - struct ip_mc_list *im4; - char buf[MAX_ADDR_LEN]; - - QETH_DBF_TEXT(trace,4,"addmc"); - for (im4 = in4_dev->mc_list; im4; im4 = im4->next) { - qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev); - ipm = qeth_get_addr_buffer(QETH_PROT_IPV4); - if (!ipm) - continue; - ipm->u.a4.addr = im4->multiaddr; - memcpy(ipm->mac,buf,OSA_ADDR_LEN); - ipm->is_multicast = 1; - if (!qeth_add_ip(card,ipm)) - kfree(ipm); - } -} - -static inline void -qeth_add_vlan_mc(struct qeth_card *card) -{ -#ifdef CONFIG_QETH_VLAN - struct in_device *in_dev; - struct vlan_group *vg; - int i; - - QETH_DBF_TEXT(trace,4,"addmcvl"); - if ( ((card->options.layer2 == 0) && - (!qeth_is_supported(card,IPA_FULL_VLAN))) || - (card->vlangrp == NULL) ) - return ; - - vg = card->vlangrp; - for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { - struct net_device *netdev = vlan_group_get_device(vg, i); - if (netdev == NULL || - !(netdev->flags & IFF_UP)) - continue; - in_dev = in_dev_get(netdev); - if (!in_dev) - continue; - read_lock(&in_dev->mc_list_lock); - qeth_add_mc(card,in_dev); - read_unlock(&in_dev->mc_list_lock); - in_dev_put(in_dev); - } -#endif -} - -static void -qeth_add_multicast_ipv4(struct qeth_card *card) -{ - struct in_device *in4_dev; - - QETH_DBF_TEXT(trace,4,"chkmcv4"); - in4_dev = in_dev_get(card->dev); - if (in4_dev == NULL) - return; - read_lock(&in4_dev->mc_list_lock); - qeth_add_mc(card, in4_dev); - qeth_add_vlan_mc(card); - read_unlock(&in4_dev->mc_list_lock); - in_dev_put(in4_dev); -} - -static void -qeth_layer2_add_multicast(struct qeth_card *card) -{ - struct qeth_ipaddr *ipm; - struct dev_mc_list *dm; - - QETH_DBF_TEXT(trace,4,"L2addmc"); - for (dm = card->dev->mc_list; dm; dm = dm->next) { - ipm = qeth_get_addr_buffer(QETH_PROT_IPV4); - if (!ipm) - continue; - memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN); - ipm->is_multicast = 1; - if (!qeth_add_ip(card, ipm)) - kfree(ipm); - } -} - -#ifdef CONFIG_QETH_IPV6 -static void -qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) -{ - struct qeth_ipaddr *ipm; - struct ifmcaddr6 *im6; - char buf[MAX_ADDR_LEN]; - - QETH_DBF_TEXT(trace,4,"addmc6"); - for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { - ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0); - ipm = qeth_get_addr_buffer(QETH_PROT_IPV6); - if (!ipm) - continue; - ipm->is_multicast = 1; - memcpy(ipm->mac,buf,OSA_ADDR_LEN); - memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr, - sizeof(struct in6_addr)); - if (!qeth_add_ip(card,ipm)) - kfree(ipm); - } -} - -static inline void -qeth_add_vlan_mc6(struct qeth_card *card) -{ -#ifdef CONFIG_QETH_VLAN - struct inet6_dev *in_dev; - struct vlan_group *vg; - int i; - - QETH_DBF_TEXT(trace,4,"admc6vl"); - if ( ((card->options.layer2 == 0) && - (!qeth_is_supported(card,IPA_FULL_VLAN))) || - (card->vlangrp == NULL)) - return ; - - vg = card->vlangrp; - for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { - struct net_device *netdev = vlan_group_get_device(vg, i); - if (netdev == NULL || - !(netdev->flags & IFF_UP)) - continue; - in_dev = in6_dev_get(netdev); - if (!in_dev) - continue; - read_lock_bh(&in_dev->lock); - qeth_add_mc6(card,in_dev); - read_unlock_bh(&in_dev->lock); - in6_dev_put(in_dev); - } -#endif /* CONFIG_QETH_VLAN */ -} - -static void -qeth_add_multicast_ipv6(struct qeth_card *card) -{ - struct inet6_dev *in6_dev; - - QETH_DBF_TEXT(trace,4,"chkmcv6"); - if (!qeth_is_supported(card, IPA_IPV6)) - return ; - in6_dev = in6_dev_get(card->dev); - if (in6_dev == NULL) - return; - read_lock_bh(&in6_dev->lock); - qeth_add_mc6(card, in6_dev); - qeth_add_vlan_mc6(card); - read_unlock_bh(&in6_dev->lock); - in6_dev_put(in6_dev); -} -#endif /* CONFIG_QETH_IPV6 */ - -static int -qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac, - enum qeth_ipa_cmds ipacmd, - int (*reply_cb) (struct qeth_card *, - struct qeth_reply*, - unsigned long)) -{ - struct qeth_ipa_cmd *cmd; - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT(trace, 2, "L2sdmac"); - iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - cmd->data.setdelmac.mac_length = OSA_ADDR_LEN; - memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN); - return qeth_send_ipa_cmd(card, iob, reply_cb, NULL); -} - -static int -qeth_layer2_send_setgroupmac_cb(struct qeth_card *card, - struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_ipa_cmd *cmd; - __u8 *mac; - - QETH_DBF_TEXT(trace, 2, "L2Sgmacb"); - cmd = (struct qeth_ipa_cmd *) data; - mac = &cmd->data.setdelmac.mac[0]; - /* MAC already registered, needed in couple/uncouple case */ - if (cmd->hdr.return_code == 0x2005) { - PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \ - "already existing on %s \n", - mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], - QETH_CARD_IFNAME(card)); - cmd->hdr.return_code = 0; - } - if (cmd->hdr.return_code) - PRINT_ERR("Could not set group MAC " \ - "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n", - mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], - QETH_CARD_IFNAME(card),cmd->hdr.return_code); - return 0; -} - -static int -qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac) -{ - QETH_DBF_TEXT(trace, 2, "L2Sgmac"); - return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC, - qeth_layer2_send_setgroupmac_cb); -} - -static int -qeth_layer2_send_delgroupmac_cb(struct qeth_card *card, - struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_ipa_cmd *cmd; - __u8 *mac; - - QETH_DBF_TEXT(trace, 2, "L2Dgmacb"); - cmd = (struct qeth_ipa_cmd *) data; - mac = &cmd->data.setdelmac.mac[0]; - if (cmd->hdr.return_code) - PRINT_ERR("Could not delete group MAC " \ - "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n", - mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], - QETH_CARD_IFNAME(card), cmd->hdr.return_code); - return 0; -} - -static int -qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac) -{ - QETH_DBF_TEXT(trace, 2, "L2Dgmac"); - return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC, - qeth_layer2_send_delgroupmac_cb); -} - -static int -qeth_layer2_send_setmac_cb(struct qeth_card *card, - struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(trace, 2, "L2Smaccb"); - cmd = (struct qeth_ipa_cmd *) data; - if (cmd->hdr.return_code) { - QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code); - card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; - cmd->hdr.return_code = -EIO; - } else { - card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; - memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac, - OSA_ADDR_LEN); - PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x " - "successfully registered on device %s\n", - card->dev->dev_addr[0], card->dev->dev_addr[1], - card->dev->dev_addr[2], card->dev->dev_addr[3], - card->dev->dev_addr[4], card->dev->dev_addr[5], - card->dev->name); - } - return 0; -} - -static int -qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac) -{ - QETH_DBF_TEXT(trace, 2, "L2Setmac"); - return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC, - qeth_layer2_send_setmac_cb); -} - -static int -qeth_layer2_send_delmac_cb(struct qeth_card *card, - struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(trace, 2, "L2Dmaccb"); - cmd = (struct qeth_ipa_cmd *) data; - if (cmd->hdr.return_code) { - QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code); - cmd->hdr.return_code = -EIO; - return 0; - } - card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; - - return 0; -} -static int -qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac) -{ - QETH_DBF_TEXT(trace, 2, "L2Delmac"); - if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) - return 0; - return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC, - qeth_layer2_send_delmac_cb); -} - -static int -qeth_layer2_set_mac_address(struct net_device *dev, void *p) -{ - struct sockaddr *addr = p; - struct qeth_card *card; - int rc = 0; - - QETH_DBF_TEXT(trace, 3, "setmac"); - - if (qeth_verify_dev(dev) != QETH_REAL_CARD) { - QETH_DBF_TEXT(trace, 3, "setmcINV"); - return -EOPNOTSUPP; - } - card = (struct qeth_card *) dev->priv; - - if (!card->options.layer2) { - PRINT_WARN("Setting MAC address on %s is not supported " - "in Layer 3 mode.\n", dev->name); - QETH_DBF_TEXT(trace, 3, "setmcLY3"); - return -EOPNOTSUPP; - } - if (card->info.type == QETH_CARD_TYPE_OSN) { - PRINT_WARN("Setting MAC address on %s is not supported.\n", - dev->name); - QETH_DBF_TEXT(trace, 3, "setmcOSN"); - return -EOPNOTSUPP; - } - QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card)); - QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN); - rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]); - if (!rc) - rc = qeth_layer2_send_setmac(card, addr->sa_data); - return rc; -} - -static void -qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd, - __u8 command, enum qeth_prot_versions prot) -{ - memset(cmd, 0, sizeof (struct qeth_ipa_cmd)); - cmd->hdr.command = command; - cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST; - cmd->hdr.seqno = card->seqno.ipa; - cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type); - cmd->hdr.rel_adapter_no = (__u8) card->info.portno; - if (card->options.layer2) - cmd->hdr.prim_version_no = 2; - else - cmd->hdr.prim_version_no = 1; - cmd->hdr.param_count = 1; - cmd->hdr.prot_version = prot; - cmd->hdr.ipa_supported = 0; - cmd->hdr.ipa_enabled = 0; -} - -static struct qeth_cmd_buffer * -qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd, - enum qeth_prot_versions prot) -{ - struct qeth_cmd_buffer *iob; - struct qeth_ipa_cmd *cmd; - - iob = qeth_wait_for_buffer(&card->write); - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - qeth_fill_ipacmd_header(card, cmd, ipacmd, prot); - - return iob; -} - -static int -qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd) -{ - int rc; - struct qeth_cmd_buffer *iob; - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(trace,4,"setdelmc"); - - iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN); - if (addr->proto == QETH_PROT_IPV6) - memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr, - sizeof(struct in6_addr)); - else - memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4); - - rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); - - return rc; -} -static void -qeth_fill_netmask(u8 *netmask, unsigned int len) -{ - int i,j; - for (i=0;i<16;i++) { - j=(len)-(i*8); - if (j >= 8) - netmask[i] = 0xff; - else if (j > 0) - netmask[i] = (u8)(0xFF00>>j); - else - netmask[i] = 0; - } -} - -static int -qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr, - int ipacmd, unsigned int flags) -{ - int rc; - struct qeth_cmd_buffer *iob; - struct qeth_ipa_cmd *cmd; - __u8 netmask[16]; - - QETH_DBF_TEXT(trace,4,"setdelip"); - QETH_DBF_TEXT_(trace,4,"flags%02X", flags); - - iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - if (addr->proto == QETH_PROT_IPV6) { - memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr, - sizeof(struct in6_addr)); - qeth_fill_netmask(netmask,addr->u.a6.pfxlen); - memcpy(cmd->data.setdelip6.mask, netmask, - sizeof(struct in6_addr)); - cmd->data.setdelip6.flags = flags; - } else { - memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4); - memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4); - cmd->data.setdelip4.flags = flags; - } - - rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); - - return rc; -} - -static int -qeth_layer2_register_addr_entry(struct qeth_card *card, - struct qeth_ipaddr *addr) -{ - if (!addr->is_multicast) - return 0; - QETH_DBF_TEXT(trace, 2, "setgmac"); - QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN); - return qeth_layer2_send_setgroupmac(card, &addr->mac[0]); -} - -static int -qeth_layer2_deregister_addr_entry(struct qeth_card *card, - struct qeth_ipaddr *addr) -{ - if (!addr->is_multicast) - return 0; - QETH_DBF_TEXT(trace, 2, "delgmac"); - QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN); - return qeth_layer2_send_delgroupmac(card, &addr->mac[0]); -} - -static int -qeth_layer3_register_addr_entry(struct qeth_card *card, - struct qeth_ipaddr *addr) -{ - char buf[50]; - int rc; - int cnt = 3; - - if (addr->proto == QETH_PROT_IPV4) { - QETH_DBF_TEXT(trace, 2,"setaddr4"); - QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int)); - } else if (addr->proto == QETH_PROT_IPV6) { - QETH_DBF_TEXT(trace, 2, "setaddr6"); - QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8); - QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8); - } else { - QETH_DBF_TEXT(trace, 2, "setaddr?"); - QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr)); - } - do { - if (addr->is_multicast) - rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM); - else - rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP, - addr->set_flags); - if (rc) - QETH_DBF_TEXT(trace, 2, "failed"); - } while ((--cnt > 0) && rc); - if (rc){ - QETH_DBF_TEXT(trace, 2, "FAILED"); - qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); - PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n", - buf, rc, rc); - } - return rc; -} - -static int -qeth_layer3_deregister_addr_entry(struct qeth_card *card, - struct qeth_ipaddr *addr) -{ - //char buf[50]; - int rc; - - if (addr->proto == QETH_PROT_IPV4) { - QETH_DBF_TEXT(trace, 2,"deladdr4"); - QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int)); - } else if (addr->proto == QETH_PROT_IPV6) { - QETH_DBF_TEXT(trace, 2, "deladdr6"); - QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8); - QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8); - } else { - QETH_DBF_TEXT(trace, 2, "deladdr?"); - QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr)); - } - if (addr->is_multicast) - rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM); - else - rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP, - addr->del_flags); - if (rc) { - QETH_DBF_TEXT(trace, 2, "failed"); - /* TODO: re-activate this warning as soon as we have a - * clean mirco code - qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); - PRINT_WARN("Could not deregister IP address %s (rc=%x)\n", - buf, rc); - */ - } - return rc; -} - -static int -qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr) -{ - if (card->options.layer2) - return qeth_layer2_register_addr_entry(card, addr); - - return qeth_layer3_register_addr_entry(card, addr); -} - -static int -qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr) -{ - if (card->options.layer2) - return qeth_layer2_deregister_addr_entry(card, addr); - - return qeth_layer3_deregister_addr_entry(card, addr); -} - -static u32 -qeth_ethtool_get_tx_csum(struct net_device *dev) -{ - return (dev->features & NETIF_F_HW_CSUM) != 0; -} - -static int -qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data) -{ - if (data) - dev->features |= NETIF_F_HW_CSUM; - else - dev->features &= ~NETIF_F_HW_CSUM; - - return 0; -} - -static u32 -qeth_ethtool_get_rx_csum(struct net_device *dev) -{ - struct qeth_card *card = (struct qeth_card *)dev->priv; - - return (card->options.checksum_type == HW_CHECKSUMMING); -} - -static int -qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data) -{ - struct qeth_card *card = (struct qeth_card *)dev->priv; - - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - if (data) - card->options.checksum_type = HW_CHECKSUMMING; - else - card->options.checksum_type = SW_CHECKSUMMING; - return 0; -} - -static u32 -qeth_ethtool_get_sg(struct net_device *dev) -{ - struct qeth_card *card = (struct qeth_card *)dev->priv; - - return ((card->options.large_send != QETH_LARGE_SEND_NO) && - (dev->features & NETIF_F_SG)); -} - -static int -qeth_ethtool_set_sg(struct net_device *dev, u32 data) -{ - struct qeth_card *card = (struct qeth_card *)dev->priv; - - if (data) { - if (card->options.large_send != QETH_LARGE_SEND_NO) - dev->features |= NETIF_F_SG; - else { - dev->features &= ~NETIF_F_SG; - return -EINVAL; - } - } else - dev->features &= ~NETIF_F_SG; - return 0; -} - -static u32 -qeth_ethtool_get_tso(struct net_device *dev) -{ - struct qeth_card *card = (struct qeth_card *)dev->priv; - - return ((card->options.large_send != QETH_LARGE_SEND_NO) && - (dev->features & NETIF_F_TSO)); -} - -static int -qeth_ethtool_set_tso(struct net_device *dev, u32 data) -{ - struct qeth_card *card = (struct qeth_card *)dev->priv; - - if (data) { - if (card->options.large_send != QETH_LARGE_SEND_NO) - dev->features |= NETIF_F_TSO; - else { - dev->features &= ~NETIF_F_TSO; - return -EINVAL; - } - } else - dev->features &= ~NETIF_F_TSO; - return 0; -} - -static struct ethtool_ops qeth_ethtool_ops = { - .get_tx_csum = qeth_ethtool_get_tx_csum, - .set_tx_csum = qeth_ethtool_set_tx_csum, - .get_rx_csum = qeth_ethtool_get_rx_csum, - .set_rx_csum = qeth_ethtool_set_rx_csum, - .get_sg = qeth_ethtool_get_sg, - .set_sg = qeth_ethtool_set_sg, - .get_tso = qeth_ethtool_get_tso, - .set_tso = qeth_ethtool_set_tso, -}; - -static int -qeth_hard_header_parse(const struct sk_buff *skb, unsigned char *haddr) -{ - const struct qeth_card *card; - const struct ethhdr *eth; - struct net_device *dev = skb->dev; - - if (dev->type != ARPHRD_IEEE802_TR) - return 0; - - card = qeth_get_card_from_dev(dev); - if (card->options.layer2) - goto haveheader; -#ifdef CONFIG_QETH_IPV6 - /* cause of the manipulated arp constructor and the ARP - flag for OSAE devices we have some nasty exceptions */ - if (card->info.type == QETH_CARD_TYPE_OSAE) { - if (!card->options.fake_ll) { - if ((skb->pkt_type==PACKET_OUTGOING) && - (skb->protocol==ETH_P_IPV6)) - goto haveheader; - else - return 0; - } else { - if ((skb->pkt_type==PACKET_OUTGOING) && - (skb->protocol==ETH_P_IP)) - return 0; - else - goto haveheader; - } - } -#endif - if (!card->options.fake_ll) - return 0; -haveheader: - eth = eth_hdr(skb); - memcpy(haddr, eth->h_source, ETH_ALEN); - return ETH_ALEN; -} - -static const struct header_ops qeth_null_ops = { - .parse = qeth_hard_header_parse, -}; - -static int -qeth_netdev_init(struct net_device *dev) -{ - struct qeth_card *card; - - card = (struct qeth_card *) dev->priv; - - QETH_DBF_TEXT(trace,3,"initdev"); - - dev->tx_timeout = &qeth_tx_timeout; - dev->watchdog_timeo = QETH_TX_TIMEOUT; - dev->open = qeth_open; - dev->stop = qeth_stop; - dev->hard_start_xmit = qeth_hard_start_xmit; - dev->do_ioctl = qeth_do_ioctl; - dev->get_stats = qeth_get_stats; - dev->change_mtu = qeth_change_mtu; - dev->neigh_setup = qeth_neigh_setup; - dev->set_multicast_list = qeth_set_multicast_list; -#ifdef CONFIG_QETH_VLAN - dev->vlan_rx_register = qeth_vlan_rx_register; - dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid; - dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid; -#endif - if (qeth_get_netdev_flags(card) & IFF_NOARP) - dev->header_ops = &qeth_null_ops; - -#ifdef CONFIG_QETH_IPV6 - /*IPv6 address autoconfiguration stuff*/ - if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD)) - card->dev->dev_id = card->info.unique_id & 0xffff; -#endif - if (card->options.fake_ll && - (qeth_get_netdev_flags(card) & IFF_NOARP)) - dev->header_ops = &qeth_fake_ops; - - dev->set_mac_address = qeth_layer2_set_mac_address; - dev->flags |= qeth_get_netdev_flags(card); - if ((card->options.fake_broadcast) || - (card->info.broadcast_capable)) - dev->flags |= IFF_BROADCAST; - dev->hard_header_len = - qeth_get_hlen(card->info.link_type) + card->options.add_hhlen; - dev->addr_len = OSA_ADDR_LEN; - dev->mtu = card->info.initial_mtu; - if (card->info.type != QETH_CARD_TYPE_OSN) - SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops); - return 0; -} - -static void -qeth_init_func_level(struct qeth_card *card) -{ - if (card->ipato.enabled) { - if (card->info.type == QETH_CARD_TYPE_IQD) - card->info.func_level = - QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT; - else - card->info.func_level = - QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT; - } else { - if (card->info.type == QETH_CARD_TYPE_IQD) - /*FIXME:why do we have same values for dis and ena for osae??? */ - card->info.func_level = - QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT; - else - card->info.func_level = - QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT; - } -} - -/** - * hardsetup card, initialize MPC and QDIO stuff - */ -static int -qeth_hardsetup_card(struct qeth_card *card) -{ - int retries = 3; - int rc; - - QETH_DBF_TEXT(setup, 2, "hrdsetup"); - - atomic_set(&card->force_alloc_skb, 0); -retry: - if (retries < 3){ - PRINT_WARN("Retrying to do IDX activates.\n"); - ccw_device_set_offline(CARD_DDEV(card)); - ccw_device_set_offline(CARD_WDEV(card)); - ccw_device_set_offline(CARD_RDEV(card)); - ccw_device_set_online(CARD_RDEV(card)); - ccw_device_set_online(CARD_WDEV(card)); - ccw_device_set_online(CARD_DDEV(card)); - } - rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD); - if (rc == -ERESTARTSYS) { - QETH_DBF_TEXT(setup, 2, "break1"); - return rc; - } else if (rc) { - QETH_DBF_TEXT_(setup, 2, "1err%d", rc); - if (--retries < 0) - goto out; - else - goto retry; - } - if ((rc = qeth_get_unitaddr(card))){ - QETH_DBF_TEXT_(setup, 2, "2err%d", rc); - return rc; - } - qeth_init_tokens(card); - qeth_init_func_level(card); - rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb); - if (rc == -ERESTARTSYS) { - QETH_DBF_TEXT(setup, 2, "break2"); - return rc; - } else if (rc) { - QETH_DBF_TEXT_(setup, 2, "3err%d", rc); - if (--retries < 0) - goto out; - else - goto retry; - } - rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb); - if (rc == -ERESTARTSYS) { - QETH_DBF_TEXT(setup, 2, "break3"); - return rc; - } else if (rc) { - QETH_DBF_TEXT_(setup, 2, "4err%d", rc); - if (--retries < 0) - goto out; - else - goto retry; - } - if ((rc = qeth_mpc_initialize(card))){ - QETH_DBF_TEXT_(setup, 2, "5err%d", rc); - goto out; - } - /*network device will be recovered*/ - if (card->dev) { - card->dev->header_ops = card->orig_header_ops; - if (card->options.fake_ll && - (qeth_get_netdev_flags(card) & IFF_NOARP)) - card->dev->header_ops = &qeth_fake_ops; - return 0; - } - /* at first set_online allocate netdev */ - card->dev = qeth_get_netdevice(card->info.type, - card->info.link_type); - if (!card->dev){ - qeth_qdio_clear_card(card, card->info.type != - QETH_CARD_TYPE_IQD); - rc = -ENODEV; - QETH_DBF_TEXT_(setup, 2, "6err%d", rc); - goto out; - } - card->dev->priv = card; - card->orig_header_ops = card->dev->header_ops; - card->dev->type = qeth_get_arphdr_type(card->info.type, - card->info.link_type); - card->dev->init = qeth_netdev_init; - return 0; -out: - PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc); - return rc; -} - -static int -qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(trace,4,"defadpcb"); - - cmd = (struct qeth_ipa_cmd *) data; - if (cmd->hdr.return_code == 0){ - cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; - if (cmd->hdr.prot_version == QETH_PROT_IPV4) - card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; -#ifdef CONFIG_QETH_IPV6 - if (cmd->hdr.prot_version == QETH_PROT_IPV6) - card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; -#endif - } - if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM && - cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { - card->info.csum_mask = cmd->data.setassparms.data.flags_32bit; - QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask); - } - return 0; -} - -static int -qeth_default_setadapterparms_cb(struct qeth_card *card, - struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(trace,4,"defadpcb"); - - cmd = (struct qeth_ipa_cmd *) data; - if (cmd->hdr.return_code == 0) - cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code; - return 0; -} - - - -static int -qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(trace,3,"quyadpcb"); - - cmd = (struct qeth_ipa_cmd *) data; - if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f) - card->info.link_type = - cmd->data.setadapterparms.data.query_cmds_supp.lan_type; - card->options.adp.supported_funcs = - cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds; - return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); -} - -static int -qeth_query_setadapterparms(struct qeth_card *card) -{ - int rc; - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT(trace,3,"queryadp"); - iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED, - sizeof(struct qeth_ipacmd_setadpparms)); - rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL); - return rc; -} - -static int -qeth_setadpparms_change_macaddr_cb(struct qeth_card *card, - struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(trace,4,"chgmaccb"); - - cmd = (struct qeth_ipa_cmd *) data; - if (!card->options.layer2 || - !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) { - memcpy(card->dev->dev_addr, - &cmd->data.setadapterparms.data.change_addr.addr, - OSA_ADDR_LEN); - card->info.mac_bits |= QETH_LAYER2_MAC_READ; - } - qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); - return 0; -} - -static int -qeth_setadpparms_change_macaddr(struct qeth_card *card) -{ - int rc; - struct qeth_cmd_buffer *iob; - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(trace,4,"chgmac"); - - iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS, - sizeof(struct qeth_ipacmd_setadpparms)); - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC; - cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN; - memcpy(&cmd->data.setadapterparms.data.change_addr.addr, - card->dev->dev_addr, OSA_ADDR_LEN); - rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb, - NULL); - return rc; -} - -static int -qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode) -{ - int rc; - struct qeth_cmd_buffer *iob; - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(trace,4,"adpmode"); - - iob = qeth_get_adapter_cmd(card, command, - sizeof(struct qeth_ipacmd_setadpparms)); - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - cmd->data.setadapterparms.data.mode = mode; - rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb, - NULL); - return rc; -} - -static int -qeth_setadapter_hstr(struct qeth_card *card) -{ - int rc; - - QETH_DBF_TEXT(trace,4,"adphstr"); - - if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) { - rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE, - card->options.broadcast_mode); - if (rc) - PRINT_WARN("couldn't set broadcast mode on " - "device %s: x%x\n", - CARD_BUS_ID(card), rc); - rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS, - card->options.macaddr_mode); - if (rc) - PRINT_WARN("couldn't set macaddr mode on " - "device %s: x%x\n", CARD_BUS_ID(card), rc); - return rc; - } - if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL) - PRINT_WARN("set adapter parameters not available " - "to set broadcast mode, using ALLRINGS " - "on device %s:\n", CARD_BUS_ID(card)); - if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL) - PRINT_WARN("set adapter parameters not available " - "to set macaddr mode, using NONCANONICAL " - "on device %s:\n", CARD_BUS_ID(card)); - return 0; -} - -static int -qeth_setadapter_parms(struct qeth_card *card) -{ - int rc; - - QETH_DBF_TEXT(setup, 2, "setadprm"); - - if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){ - PRINT_WARN("set adapter parameters not supported " - "on device %s.\n", - CARD_BUS_ID(card)); - QETH_DBF_TEXT(setup, 2, " notsupp"); - return 0; - } - rc = qeth_query_setadapterparms(card); - if (rc) { - PRINT_WARN("couldn't set adapter parameters on device %s: " - "x%x\n", CARD_BUS_ID(card), rc); - return rc; - } - if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) { - rc = qeth_setadpparms_change_macaddr(card); - if (rc) - PRINT_WARN("couldn't get MAC address on " - "device %s: x%x\n", - CARD_BUS_ID(card), rc); - } - - if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || - (card->info.link_type == QETH_LINK_TYPE_LANE_TR)) - rc = qeth_setadapter_hstr(card); - - return rc; -} - -static int -qeth_layer2_initialize(struct qeth_card *card) -{ - int rc = 0; - - - QETH_DBF_TEXT(setup, 2, "doL2init"); - QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card)); - - rc = qeth_query_setadapterparms(card); - if (rc) { - PRINT_WARN("could not query adapter parameters on device %s: " - "x%x\n", CARD_BUS_ID(card), rc); - } - - rc = qeth_setadpparms_change_macaddr(card); - if (rc) { - PRINT_WARN("couldn't get MAC address on " - "device %s: x%x\n", - CARD_BUS_ID(card), rc); - QETH_DBF_TEXT_(setup, 2,"1err%d",rc); - return rc; - } - QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN); - - rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]); - if (rc) - QETH_DBF_TEXT_(setup, 2,"2err%d",rc); - return 0; -} - - -static int -qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd, - enum qeth_prot_versions prot) -{ - int rc; - struct qeth_cmd_buffer *iob; - - iob = qeth_get_ipacmd_buffer(card,ipacmd,prot); - rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); - - return rc; -} - -static int -qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot) -{ - int rc; - - QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot); - - rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot); - return rc; -} - -static int -qeth_send_stoplan(struct qeth_card *card) -{ - int rc = 0; - - /* - * TODO: according to the IPA format document page 14, - * TCP/IP (we!) never issue a STOPLAN - * is this right ?!? - */ - QETH_DBF_TEXT(trace, 2, "stoplan"); - - rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4); - return rc; -} - -static int -qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(setup, 2, "qipasscb"); - - cmd = (struct qeth_ipa_cmd *) data; - if (cmd->hdr.prot_version == QETH_PROT_IPV4) { - card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported; - card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; - /* Disable IPV6 support hard coded for Hipersockets */ - if(card->info.type == QETH_CARD_TYPE_IQD) - card->options.ipa4.supported_funcs &= ~IPA_IPV6; - } else { -#ifdef CONFIG_QETH_IPV6 - card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported; - card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; -#endif - } - QETH_DBF_TEXT(setup, 2, "suppenbl"); - QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported); - QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled); - return 0; -} - -static int -qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot) -{ - int rc; - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot); - if (card->options.layer2) { - QETH_DBF_TEXT(setup, 2, "noprmly2"); - return -EPERM; - } - - iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot); - rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL); - return rc; -} - -static struct qeth_cmd_buffer * -qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func, - __u16 cmd_code, __u16 len, - enum qeth_prot_versions prot) -{ - struct qeth_cmd_buffer *iob; - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(trace,4,"getasscm"); - iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot); - - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - cmd->data.setassparms.hdr.assist_no = ipa_func; - cmd->data.setassparms.hdr.length = 8 + len; - cmd->data.setassparms.hdr.command_code = cmd_code; - cmd->data.setassparms.hdr.return_code = 0; - cmd->data.setassparms.hdr.seq_no = 0; - - return iob; -} - -static int -qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob, - __u16 len, long data, - int (*reply_cb) - (struct qeth_card *,struct qeth_reply *,unsigned long), - void *reply_param) -{ - int rc; - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(trace,4,"sendassp"); - - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - if (len <= sizeof(__u32)) - cmd->data.setassparms.data.flags_32bit = (__u32) data; - else /* (len > sizeof(__u32)) */ - memcpy(&cmd->data.setassparms.data, (void *) data, len); - - rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param); - return rc; -} - -#ifdef CONFIG_QETH_IPV6 -static int -qeth_send_simple_setassparms_ipv6(struct qeth_card *card, - enum qeth_ipa_funcs ipa_func, __u16 cmd_code) - -{ - int rc; - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT(trace,4,"simassp6"); - iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code, - 0, QETH_PROT_IPV6); - rc = qeth_send_setassparms(card, iob, 0, 0, - qeth_default_setassparms_cb, NULL); - return rc; -} -#endif - -static int -qeth_send_simple_setassparms(struct qeth_card *card, - enum qeth_ipa_funcs ipa_func, - __u16 cmd_code, long data) -{ - int rc; - int length = 0; - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT(trace,4,"simassp4"); - if (data) - length = sizeof(__u32); - iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code, - length, QETH_PROT_IPV4); - rc = qeth_send_setassparms(card, iob, length, data, - qeth_default_setassparms_cb, NULL); - return rc; -} - -static int -qeth_start_ipa_arp_processing(struct qeth_card *card) -{ - int rc; - - QETH_DBF_TEXT(trace,3,"ipaarp"); - - if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { - PRINT_WARN("ARP processing not supported " - "on %s!\n", QETH_CARD_IFNAME(card)); - return 0; - } - rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING, - IPA_CMD_ASS_START, 0); - if (rc) { - PRINT_WARN("Could not start ARP processing " - "assist on %s: 0x%x\n", - QETH_CARD_IFNAME(card), rc); - } - return rc; -} - -static int -qeth_start_ipa_ip_fragmentation(struct qeth_card *card) -{ - int rc; - - QETH_DBF_TEXT(trace,3,"ipaipfrg"); - - if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) { - PRINT_INFO("Hardware IP fragmentation not supported on %s\n", - QETH_CARD_IFNAME(card)); - return -EOPNOTSUPP; - } - - rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION, - IPA_CMD_ASS_START, 0); - if (rc) { - PRINT_WARN("Could not start Hardware IP fragmentation " - "assist on %s: 0x%x\n", - QETH_CARD_IFNAME(card), rc); - } else - PRINT_INFO("Hardware IP fragmentation enabled \n"); - return rc; -} - -static int -qeth_start_ipa_source_mac(struct qeth_card *card) -{ - int rc; - - QETH_DBF_TEXT(trace,3,"stsrcmac"); - - if (!card->options.fake_ll) - return -EOPNOTSUPP; - - if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { - PRINT_INFO("Inbound source address not " - "supported on %s\n", QETH_CARD_IFNAME(card)); - return -EOPNOTSUPP; - } - - rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC, - IPA_CMD_ASS_START, 0); - if (rc) - PRINT_WARN("Could not start inbound source " - "assist on %s: 0x%x\n", - QETH_CARD_IFNAME(card), rc); - return rc; -} - -static int -qeth_start_ipa_vlan(struct qeth_card *card) -{ - int rc = 0; - - QETH_DBF_TEXT(trace,3,"strtvlan"); - -#ifdef CONFIG_QETH_VLAN - if (!qeth_is_supported(card, IPA_FULL_VLAN)) { - PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card)); - return -EOPNOTSUPP; - } - - rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO, - IPA_CMD_ASS_START,0); - if (rc) { - PRINT_WARN("Could not start vlan " - "assist on %s: 0x%x\n", - QETH_CARD_IFNAME(card), rc); - } else { - PRINT_INFO("VLAN enabled \n"); - card->dev->features |= - NETIF_F_HW_VLAN_FILTER | - NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX; - } -#endif /* QETH_VLAN */ - return rc; -} - -static int -qeth_start_ipa_multicast(struct qeth_card *card) -{ - int rc; - - QETH_DBF_TEXT(trace,3,"stmcast"); - - if (!qeth_is_supported(card, IPA_MULTICASTING)) { - PRINT_WARN("Multicast not supported on %s\n", - QETH_CARD_IFNAME(card)); - return -EOPNOTSUPP; - } - - rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING, - IPA_CMD_ASS_START,0); - if (rc) { - PRINT_WARN("Could not start multicast " - "assist on %s: rc=%i\n", - QETH_CARD_IFNAME(card), rc); - } else { - PRINT_INFO("Multicast enabled\n"); - card->dev->flags |= IFF_MULTICAST; - } - return rc; -} - -#ifdef CONFIG_QETH_IPV6 -static int -qeth_softsetup_ipv6(struct qeth_card *card) -{ - int rc; - - QETH_DBF_TEXT(trace,3,"softipv6"); - - rc = qeth_send_startlan(card, QETH_PROT_IPV6); - if (rc) { - PRINT_ERR("IPv6 startlan failed on %s\n", - QETH_CARD_IFNAME(card)); - return rc; - } - rc = qeth_query_ipassists(card,QETH_PROT_IPV6); - if (rc) { - PRINT_ERR("IPv6 query ipassist failed on %s\n", - QETH_CARD_IFNAME(card)); - return rc; - } - rc = qeth_send_simple_setassparms(card, IPA_IPV6, - IPA_CMD_ASS_START, 3); - if (rc) { - PRINT_WARN("IPv6 start assist (version 4) failed " - "on %s: 0x%x\n", - QETH_CARD_IFNAME(card), rc); - return rc; - } - rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6, - IPA_CMD_ASS_START); - if (rc) { - PRINT_WARN("IPV6 start assist (version 6) failed " - "on %s: 0x%x\n", - QETH_CARD_IFNAME(card), rc); - return rc; - } - rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU, - IPA_CMD_ASS_START); - if (rc) { - PRINT_WARN("Could not enable passthrough " - "on %s: 0x%x\n", - QETH_CARD_IFNAME(card), rc); - return rc; - } - PRINT_INFO("IPV6 enabled \n"); - return 0; -} - -#endif - -static int -qeth_start_ipa_ipv6(struct qeth_card *card) -{ - int rc = 0; -#ifdef CONFIG_QETH_IPV6 - QETH_DBF_TEXT(trace,3,"strtipv6"); - - if (!qeth_is_supported(card, IPA_IPV6)) { - PRINT_WARN("IPv6 not supported on %s\n", - QETH_CARD_IFNAME(card)); - return 0; - } - rc = qeth_softsetup_ipv6(card); -#endif - return rc ; -} - -static int -qeth_start_ipa_broadcast(struct qeth_card *card) -{ - int rc; - - QETH_DBF_TEXT(trace,3,"stbrdcst"); - card->info.broadcast_capable = 0; - if (!qeth_is_supported(card, IPA_FILTERING)) { - PRINT_WARN("Broadcast not supported on %s\n", - QETH_CARD_IFNAME(card)); - rc = -EOPNOTSUPP; - goto out; - } - rc = qeth_send_simple_setassparms(card, IPA_FILTERING, - IPA_CMD_ASS_START, 0); - if (rc) { - PRINT_WARN("Could not enable broadcasting filtering " - "on %s: 0x%x\n", - QETH_CARD_IFNAME(card), rc); - goto out; - } - - rc = qeth_send_simple_setassparms(card, IPA_FILTERING, - IPA_CMD_ASS_CONFIGURE, 1); - if (rc) { - PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n", - QETH_CARD_IFNAME(card), rc); - goto out; - } - card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO; - PRINT_INFO("Broadcast enabled \n"); - rc = qeth_send_simple_setassparms(card, IPA_FILTERING, - IPA_CMD_ASS_ENABLE, 1); - if (rc) { - PRINT_WARN("Could not set up broadcast echo filtering on " - "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc); - goto out; - } - card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO; -out: - if (card->info.broadcast_capable) - card->dev->flags |= IFF_BROADCAST; - else - card->dev->flags &= ~IFF_BROADCAST; - return rc; -} - -static int -qeth_send_checksum_command(struct qeth_card *card) -{ - int rc; - - rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, - IPA_CMD_ASS_START, 0); - if (rc) { - PRINT_WARN("Starting Inbound HW Checksumming failed on %s: " - "0x%x,\ncontinuing using Inbound SW Checksumming\n", - QETH_CARD_IFNAME(card), rc); - return rc; - } - rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, - IPA_CMD_ASS_ENABLE, - card->info.csum_mask); - if (rc) { - PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: " - "0x%x,\ncontinuing using Inbound SW Checksumming\n", - QETH_CARD_IFNAME(card), rc); - return rc; - } - return 0; -} - -static int -qeth_start_ipa_checksum(struct qeth_card *card) -{ - int rc = 0; - - QETH_DBF_TEXT(trace,3,"strtcsum"); - - if (card->options.checksum_type == NO_CHECKSUMMING) { - PRINT_WARN("Using no checksumming on %s.\n", - QETH_CARD_IFNAME(card)); - return 0; - } - if (card->options.checksum_type == SW_CHECKSUMMING) { - PRINT_WARN("Using SW checksumming on %s.\n", - QETH_CARD_IFNAME(card)); - return 0; - } - if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) { - PRINT_WARN("Inbound HW Checksumming not " - "supported on %s,\ncontinuing " - "using Inbound SW Checksumming\n", - QETH_CARD_IFNAME(card)); - card->options.checksum_type = SW_CHECKSUMMING; - return 0; - } - rc = qeth_send_checksum_command(card); - if (!rc) { - PRINT_INFO("HW Checksumming (inbound) enabled \n"); - } - return rc; -} - -static int -qeth_start_ipa_tso(struct qeth_card *card) -{ - int rc; - - QETH_DBF_TEXT(trace,3,"sttso"); - - if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) { - PRINT_WARN("Outbound TSO not supported on %s\n", - QETH_CARD_IFNAME(card)); - rc = -EOPNOTSUPP; - } else { - rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO, - IPA_CMD_ASS_START,0); - if (rc) - PRINT_WARN("Could not start outbound TSO " - "assist on %s: rc=%i\n", - QETH_CARD_IFNAME(card), rc); - else - PRINT_INFO("Outbound TSO enabled\n"); - } - if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){ - card->options.large_send = QETH_LARGE_SEND_NO; - card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG | - NETIF_F_HW_CSUM); - } - return rc; -} - -static int -qeth_start_ipassists(struct qeth_card *card) -{ - QETH_DBF_TEXT(trace,3,"strtipas"); - qeth_start_ipa_arp_processing(card); /* go on*/ - qeth_start_ipa_ip_fragmentation(card); /* go on*/ - qeth_start_ipa_source_mac(card); /* go on*/ - qeth_start_ipa_vlan(card); /* go on*/ - qeth_start_ipa_multicast(card); /* go on*/ - qeth_start_ipa_ipv6(card); /* go on*/ - qeth_start_ipa_broadcast(card); /* go on*/ - qeth_start_ipa_checksum(card); /* go on*/ - qeth_start_ipa_tso(card); /* go on*/ - return 0; -} - -static int -qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type, - enum qeth_prot_versions prot) -{ - int rc; - struct qeth_ipa_cmd *cmd; - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT(trace,4,"setroutg"); - iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot); - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - cmd->data.setrtg.type = (type); - rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); - - return rc; - -} - -static void -qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type, - enum qeth_prot_versions prot) -{ - if (card->info.type == QETH_CARD_TYPE_IQD) { - switch (*type) { - case NO_ROUTER: - case PRIMARY_CONNECTOR: - case SECONDARY_CONNECTOR: - case MULTICAST_ROUTER: - return; - default: - goto out_inval; - } - } else { - switch (*type) { - case NO_ROUTER: - case PRIMARY_ROUTER: - case SECONDARY_ROUTER: - return; - case MULTICAST_ROUTER: - if (qeth_is_ipafunc_supported(card, prot, - IPA_OSA_MC_ROUTER)) - return; - default: - goto out_inval; - } - } -out_inval: - PRINT_WARN("Routing type '%s' not supported for interface %s.\n" - "Router status set to 'no router'.\n", - ((*type == PRIMARY_ROUTER)? "primary router" : - (*type == SECONDARY_ROUTER)? "secondary router" : - (*type == PRIMARY_CONNECTOR)? "primary connector" : - (*type == SECONDARY_CONNECTOR)? "secondary connector" : - (*type == MULTICAST_ROUTER)? "multicast router" : - "unknown"), - card->dev->name); - *type = NO_ROUTER; -} - -int -qeth_setrouting_v4(struct qeth_card *card) -{ - int rc; - - QETH_DBF_TEXT(trace,3,"setrtg4"); - - qeth_correct_routing_type(card, &card->options.route4.type, - QETH_PROT_IPV4); - - rc = qeth_send_setrouting(card, card->options.route4.type, - QETH_PROT_IPV4); - if (rc) { - card->options.route4.type = NO_ROUTER; - PRINT_WARN("Error (0x%04x) while setting routing type on %s. " - "Type set to 'no router'.\n", - rc, QETH_CARD_IFNAME(card)); - } - return rc; -} - -int -qeth_setrouting_v6(struct qeth_card *card) -{ - int rc = 0; - - QETH_DBF_TEXT(trace,3,"setrtg6"); -#ifdef CONFIG_QETH_IPV6 - - if (!qeth_is_supported(card, IPA_IPV6)) - return 0; - qeth_correct_routing_type(card, &card->options.route6.type, - QETH_PROT_IPV6); - - rc = qeth_send_setrouting(card, card->options.route6.type, - QETH_PROT_IPV6); - if (rc) { - card->options.route6.type = NO_ROUTER; - PRINT_WARN("Error (0x%04x) while setting routing type on %s. " - "Type set to 'no router'.\n", - rc, QETH_CARD_IFNAME(card)); - } -#endif - return rc; -} - -int -qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type) -{ - int rc = 0; - - if (card->dev == NULL) { - card->options.large_send = type; - return 0; - } - if (card->state == CARD_STATE_UP) - netif_tx_disable(card->dev); - card->options.large_send = type; - switch (card->options.large_send) { - case QETH_LARGE_SEND_EDDP: - card->dev->features |= NETIF_F_TSO | NETIF_F_SG | - NETIF_F_HW_CSUM; - break; - case QETH_LARGE_SEND_TSO: - if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){ - card->dev->features |= NETIF_F_TSO | NETIF_F_SG | - NETIF_F_HW_CSUM; - } else { - PRINT_WARN("TSO not supported on %s. " - "large_send set to 'no'.\n", - card->dev->name); - card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG | - NETIF_F_HW_CSUM); - card->options.large_send = QETH_LARGE_SEND_NO; - rc = -EOPNOTSUPP; - } - break; - default: /* includes QETH_LARGE_SEND_NO */ - card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG | - NETIF_F_HW_CSUM); - break; - } - if (card->state == CARD_STATE_UP) - netif_wake_queue(card->dev); - return rc; -} - -/* - * softsetup card: init IPA stuff - */ -static int -qeth_softsetup_card(struct qeth_card *card) -{ - int rc; - - QETH_DBF_TEXT(setup, 2, "softsetp"); - - if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){ - QETH_DBF_TEXT_(setup, 2, "1err%d", rc); - if (rc == 0xe080){ - PRINT_WARN("LAN on card %s if offline! " - "Waiting for STARTLAN from card.\n", - CARD_BUS_ID(card)); - card->lan_online = 0; - } - return rc; - } else - card->lan_online = 1; - if (card->info.type==QETH_CARD_TYPE_OSN) - goto out; - qeth_set_large_send(card, card->options.large_send); - if (card->options.layer2) { - card->dev->features |= - NETIF_F_HW_VLAN_FILTER | - NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX; - card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST; - card->info.broadcast_capable=1; - if ((rc = qeth_layer2_initialize(card))) { - QETH_DBF_TEXT_(setup, 2, "L2err%d", rc); - return rc; - } -#ifdef CONFIG_QETH_VLAN - qeth_layer2_process_vlans(card, 0); -#endif - goto out; - } - if ((rc = qeth_setadapter_parms(card))) - QETH_DBF_TEXT_(setup, 2, "2err%d", rc); - if ((rc = qeth_start_ipassists(card))) - QETH_DBF_TEXT_(setup, 2, "3err%d", rc); - if ((rc = qeth_setrouting_v4(card))) - QETH_DBF_TEXT_(setup, 2, "4err%d", rc); - if ((rc = qeth_setrouting_v6(card))) - QETH_DBF_TEXT_(setup, 2, "5err%d", rc); -out: - netif_tx_disable(card->dev); - return 0; -} - -#ifdef CONFIG_QETH_IPV6 -static int -qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply, - unsigned long data) -{ - struct qeth_ipa_cmd *cmd; - - cmd = (struct qeth_ipa_cmd *) data; - if (cmd->hdr.return_code == 0) - card->info.unique_id = *((__u16 *) - &cmd->data.create_destroy_addr.unique_id[6]); - else { - card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | - UNIQUE_ID_NOT_BY_CARD; - PRINT_WARN("couldn't get a unique id from the card on device " - "%s (result=x%x), using default id. ipv6 " - "autoconfig on other lpars may lead to duplicate " - "ip addresses. please use manually " - "configured ones.\n", - CARD_BUS_ID(card), cmd->hdr.return_code); - } - return 0; -} -#endif - -static int -qeth_put_unique_id(struct qeth_card *card) -{ - - int rc = 0; -#ifdef CONFIG_QETH_IPV6 - struct qeth_cmd_buffer *iob; - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(trace,2,"puniqeid"); - - if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) == - UNIQUE_ID_NOT_BY_CARD) - return -1; - iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR, - QETH_PROT_IPV6); - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = - card->info.unique_id; - memcpy(&cmd->data.create_destroy_addr.unique_id[0], - card->dev->dev_addr, OSA_ADDR_LEN); - rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); -#else - card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | - UNIQUE_ID_NOT_BY_CARD; -#endif - return rc; -} - -/** - * Clear IP List - */ -static void -qeth_clear_ip_list(struct qeth_card *card, int clean, int recover) -{ - struct qeth_ipaddr *addr, *tmp; - unsigned long flags; - - QETH_DBF_TEXT(trace,4,"clearip"); - spin_lock_irqsave(&card->ip_lock, flags); - /* clear todo list */ - list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){ - list_del(&addr->entry); - kfree(addr); - } - - while (!list_empty(&card->ip_list)) { - addr = list_entry(card->ip_list.next, - struct qeth_ipaddr, entry); - list_del_init(&addr->entry); - if (clean) { - spin_unlock_irqrestore(&card->ip_lock, flags); - qeth_deregister_addr_entry(card, addr); - spin_lock_irqsave(&card->ip_lock, flags); - } - if (!recover || addr->is_multicast) { - kfree(addr); - continue; - } - list_add_tail(&addr->entry, card->ip_tbd_list); - } - spin_unlock_irqrestore(&card->ip_lock, flags); -} - -static void -qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads, - int clear_start_mask) -{ - unsigned long flags; - - spin_lock_irqsave(&card->thread_mask_lock, flags); - card->thread_allowed_mask = threads; - if (clear_start_mask) - card->thread_start_mask &= threads; - spin_unlock_irqrestore(&card->thread_mask_lock, flags); - wake_up(&card->wait_q); -} - -static int -qeth_threads_running(struct qeth_card *card, unsigned long threads) -{ - unsigned long flags; - int rc = 0; - - spin_lock_irqsave(&card->thread_mask_lock, flags); - rc = (card->thread_running_mask & threads); - spin_unlock_irqrestore(&card->thread_mask_lock, flags); - return rc; -} - -static int -qeth_wait_for_threads(struct qeth_card *card, unsigned long threads) -{ - return wait_event_interruptible(card->wait_q, - qeth_threads_running(card, threads) == 0); -} - -static int -qeth_stop_card(struct qeth_card *card, int recovery_mode) -{ - int rc = 0; - - QETH_DBF_TEXT(setup ,2,"stopcard"); - QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); - - qeth_set_allowed_threads(card, 0, 1); - if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) - return -ERESTARTSYS; - if (card->read.state == CH_STATE_UP && - card->write.state == CH_STATE_UP && - (card->state == CARD_STATE_UP)) { - if (recovery_mode && - card->info.type != QETH_CARD_TYPE_OSN) { - qeth_stop(card->dev); - } else { - rtnl_lock(); - dev_close(card->dev); - rtnl_unlock(); - } - if (!card->use_hard_stop) { - __u8 *mac = &card->dev->dev_addr[0]; - rc = qeth_layer2_send_delmac(card, mac); - QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc); - if ((rc = qeth_send_stoplan(card))) - QETH_DBF_TEXT_(setup, 2, "1err%d", rc); - } - card->state = CARD_STATE_SOFTSETUP; - } - if (card->state == CARD_STATE_SOFTSETUP) { -#ifdef CONFIG_QETH_VLAN - if (card->options.layer2) - qeth_layer2_process_vlans(card, 1); -#endif - qeth_clear_ip_list(card, !card->use_hard_stop, 1); - qeth_clear_ipacmd_list(card); - card->state = CARD_STATE_HARDSETUP; - } - if (card->state == CARD_STATE_HARDSETUP) { - if ((!card->use_hard_stop) && - (!card->options.layer2)) - if ((rc = qeth_put_unique_id(card))) - QETH_DBF_TEXT_(setup, 2, "2err%d", rc); - qeth_qdio_clear_card(card, 0); - qeth_clear_qdio_buffers(card); - qeth_clear_working_pool_list(card); - card->state = CARD_STATE_DOWN; - } - if (card->state == CARD_STATE_DOWN) { - qeth_clear_cmd_buffers(&card->read); - qeth_clear_cmd_buffers(&card->write); - } - card->use_hard_stop = 0; - return rc; -} - - -static int -qeth_get_unique_id(struct qeth_card *card) -{ - int rc = 0; -#ifdef CONFIG_QETH_IPV6 - struct qeth_cmd_buffer *iob; - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(setup, 2, "guniqeid"); - - if (!qeth_is_supported(card,IPA_IPV6)) { - card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | - UNIQUE_ID_NOT_BY_CARD; - return 0; - } - - iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, - QETH_PROT_IPV6); - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = - card->info.unique_id; - - rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL); -#else - card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | - UNIQUE_ID_NOT_BY_CARD; -#endif - return rc; -} -static void -qeth_print_status_with_portname(struct qeth_card *card) -{ - char dbf_text[15]; - int i; - - sprintf(dbf_text, "%s", card->info.portname + 1); - for (i = 0; i < 8; i++) - dbf_text[i] = - (char) _ebcasc[(__u8) dbf_text[i]]; - dbf_text[8] = 0; - printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n" - "with link type %s (portname: %s)\n", - CARD_RDEV_ID(card), - CARD_WDEV_ID(card), - CARD_DDEV_ID(card), - qeth_get_cardname(card), - (card->info.mcl_level[0]) ? " (level: " : "", - (card->info.mcl_level[0]) ? card->info.mcl_level : "", - (card->info.mcl_level[0]) ? ")" : "", - qeth_get_cardname_short(card), - dbf_text); - -} - -static void -qeth_print_status_no_portname(struct qeth_card *card) -{ - if (card->info.portname[0]) - printk("qeth: Device %s/%s/%s is a%s " - "card%s%s%s\nwith link type %s " - "(no portname needed by interface).\n", - CARD_RDEV_ID(card), - CARD_WDEV_ID(card), - CARD_DDEV_ID(card), - qeth_get_cardname(card), - (card->info.mcl_level[0]) ? " (level: " : "", - (card->info.mcl_level[0]) ? card->info.mcl_level : "", - (card->info.mcl_level[0]) ? ")" : "", - qeth_get_cardname_short(card)); - else - printk("qeth: Device %s/%s/%s is a%s " - "card%s%s%s\nwith link type %s.\n", - CARD_RDEV_ID(card), - CARD_WDEV_ID(card), - CARD_DDEV_ID(card), - qeth_get_cardname(card), - (card->info.mcl_level[0]) ? " (level: " : "", - (card->info.mcl_level[0]) ? card->info.mcl_level : "", - (card->info.mcl_level[0]) ? ")" : "", - qeth_get_cardname_short(card)); -} - -static void -qeth_print_status_message(struct qeth_card *card) -{ - switch (card->info.type) { - case QETH_CARD_TYPE_OSAE: - /* VM will use a non-zero first character - * to indicate a HiperSockets like reporting - * of the level OSA sets the first character to zero - * */ - if (!card->info.mcl_level[0]) { - sprintf(card->info.mcl_level,"%02x%02x", - card->info.mcl_level[2], - card->info.mcl_level[3]); - - card->info.mcl_level[QETH_MCL_LENGTH] = 0; - break; - } - /* fallthrough */ - case QETH_CARD_TYPE_IQD: - if (card->info.guestlan) { - card->info.mcl_level[0] = (char) _ebcasc[(__u8) - card->info.mcl_level[0]]; - card->info.mcl_level[1] = (char) _ebcasc[(__u8) - card->info.mcl_level[1]]; - card->info.mcl_level[2] = (char) _ebcasc[(__u8) - card->info.mcl_level[2]]; - card->info.mcl_level[3] = (char) _ebcasc[(__u8) - card->info.mcl_level[3]]; - card->info.mcl_level[QETH_MCL_LENGTH] = 0; - } - break; - default: - memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1); - } - if (card->info.portname_required) - qeth_print_status_with_portname(card); - else - qeth_print_status_no_portname(card); -} - -static int -qeth_register_netdev(struct qeth_card *card) -{ - QETH_DBF_TEXT(setup, 3, "regnetd"); - if (card->dev->reg_state != NETREG_UNINITIALIZED) - return 0; - /* sysfs magic */ - SET_NETDEV_DEV(card->dev, &card->gdev->dev); - return register_netdev(card->dev); -} - -static void -qeth_start_again(struct qeth_card *card, int recovery_mode) -{ - QETH_DBF_TEXT(setup ,2, "startag"); - - if (recovery_mode && - card->info.type != QETH_CARD_TYPE_OSN) { - qeth_open(card->dev); - } else { - rtnl_lock(); - dev_open(card->dev); - rtnl_unlock(); - } - /* this also sets saved unicast addresses */ - qeth_set_multicast_list(card->dev); -} - - -/* Layer 2 specific stuff */ -#define IGNORE_PARAM_EQ(option,value,reset_value,msg) \ - if (card->options.option == value) { \ - PRINT_ERR("%s not supported with layer 2 " \ - "functionality, ignoring option on read" \ - "channel device %s .\n",msg,CARD_RDEV_ID(card)); \ - card->options.option = reset_value; \ - } -#define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \ - if (card->options.option != value) { \ - PRINT_ERR("%s not supported with layer 2 " \ - "functionality, ignoring option on read" \ - "channel device %s .\n",msg,CARD_RDEV_ID(card)); \ - card->options.option = reset_value; \ - } - - -static void qeth_make_parameters_consistent(struct qeth_card *card) -{ - - if (card->options.layer2 == 0) - return; - if (card->info.type == QETH_CARD_TYPE_OSN) - return; - if (card->info.type == QETH_CARD_TYPE_IQD) { - PRINT_ERR("Device %s does not support layer 2 functionality." \ - " Ignoring layer2 option.\n",CARD_BUS_ID(card)); - card->options.layer2 = 0; - return; - } - IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER, - "Routing options are"); -#ifdef CONFIG_QETH_IPV6 - IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER, - "Routing options are"); -#endif - IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING, - QETH_CHECKSUM_DEFAULT, - "Checksumming options are"); - IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS, - QETH_TR_BROADCAST_ALLRINGS, - "Broadcast mode options are"); - IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL, - QETH_TR_MACADDR_NONCANONICAL, - "Canonical MAC addr options are"); - IGNORE_PARAM_NEQ(fake_broadcast, 0, 0, - "Broadcast faking options are"); - IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN, - DEFAULT_ADD_HHLEN,"Option add_hhlen is"); - IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is"); -} - - -static int -__qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode) -{ - struct qeth_card *card = gdev->dev.driver_data; - int rc = 0; - enum qeth_card_states recover_flag; - - BUG_ON(!card); - QETH_DBF_TEXT(setup ,2, "setonlin"); - QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); - - qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1); - if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){ - PRINT_WARN("set_online of card %s interrupted by user!\n", - CARD_BUS_ID(card)); - return -ERESTARTSYS; - } - - recover_flag = card->state; - if ((rc = ccw_device_set_online(CARD_RDEV(card))) || - (rc = ccw_device_set_online(CARD_WDEV(card))) || - (rc = ccw_device_set_online(CARD_DDEV(card)))){ - QETH_DBF_TEXT_(setup, 2, "1err%d", rc); - return -EIO; - } - - qeth_make_parameters_consistent(card); - - if ((rc = qeth_hardsetup_card(card))){ - QETH_DBF_TEXT_(setup, 2, "2err%d", rc); - goto out_remove; - } - card->state = CARD_STATE_HARDSETUP; - - if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4))) - rc = qeth_get_unique_id(card); - - if (rc && card->options.layer2 == 0) { - QETH_DBF_TEXT_(setup, 2, "3err%d", rc); - goto out_remove; - } - qeth_print_status_message(card); - if ((rc = qeth_register_netdev(card))){ - QETH_DBF_TEXT_(setup, 2, "4err%d", rc); - goto out_remove; - } - if ((rc = qeth_softsetup_card(card))){ - QETH_DBF_TEXT_(setup, 2, "5err%d", rc); - goto out_remove; - } - - if ((rc = qeth_init_qdio_queues(card))){ - QETH_DBF_TEXT_(setup, 2, "6err%d", rc); - goto out_remove; - } - card->state = CARD_STATE_SOFTSETUP; - netif_carrier_on(card->dev); - - qeth_set_allowed_threads(card, 0xffffffff, 0); - if (recover_flag == CARD_STATE_RECOVER) - qeth_start_again(card, recovery_mode); - qeth_notify_processes(); - return 0; -out_remove: - card->use_hard_stop = 1; - qeth_stop_card(card, 0); - ccw_device_set_offline(CARD_DDEV(card)); - ccw_device_set_offline(CARD_WDEV(card)); - ccw_device_set_offline(CARD_RDEV(card)); - if (recover_flag == CARD_STATE_RECOVER) - card->state = CARD_STATE_RECOVER; - else - card->state = CARD_STATE_DOWN; - return -ENODEV; -} - -static int -qeth_set_online(struct ccwgroup_device *gdev) -{ - return __qeth_set_online(gdev, 0); -} - -static struct ccw_device_id qeth_ids[] = { - {CCW_DEVICE(0x1731, 0x01), .driver_info = QETH_CARD_TYPE_OSAE}, - {CCW_DEVICE(0x1731, 0x05), .driver_info = QETH_CARD_TYPE_IQD}, - {CCW_DEVICE(0x1731, 0x06), .driver_info = QETH_CARD_TYPE_OSN}, - {}, -}; -MODULE_DEVICE_TABLE(ccw, qeth_ids); - -struct device *qeth_root_dev = NULL; - -struct ccwgroup_driver qeth_ccwgroup_driver = { - .owner = THIS_MODULE, - .name = "qeth", - .driver_id = 0xD8C5E3C8, - .probe = qeth_probe_device, - .remove = qeth_remove_device, - .set_online = qeth_set_online, - .set_offline = qeth_set_offline, -}; - -struct ccw_driver qeth_ccw_driver = { - .name = "qeth", - .ids = qeth_ids, - .probe = ccwgroup_probe_ccwdev, - .remove = ccwgroup_remove_ccwdev, -}; - - -static void -qeth_unregister_dbf_views(void) -{ - if (qeth_dbf_setup) - debug_unregister(qeth_dbf_setup); - if (qeth_dbf_qerr) - debug_unregister(qeth_dbf_qerr); - if (qeth_dbf_sense) - debug_unregister(qeth_dbf_sense); - if (qeth_dbf_misc) - debug_unregister(qeth_dbf_misc); - if (qeth_dbf_data) - debug_unregister(qeth_dbf_data); - if (qeth_dbf_control) - debug_unregister(qeth_dbf_control); - if (qeth_dbf_trace) - debug_unregister(qeth_dbf_trace); -} -static int -qeth_register_dbf_views(void) -{ - qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME, - QETH_DBF_SETUP_PAGES, - QETH_DBF_SETUP_NR_AREAS, - QETH_DBF_SETUP_LEN); - qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME, - QETH_DBF_MISC_PAGES, - QETH_DBF_MISC_NR_AREAS, - QETH_DBF_MISC_LEN); - qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME, - QETH_DBF_DATA_PAGES, - QETH_DBF_DATA_NR_AREAS, - QETH_DBF_DATA_LEN); - qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME, - QETH_DBF_CONTROL_PAGES, - QETH_DBF_CONTROL_NR_AREAS, - QETH_DBF_CONTROL_LEN); - qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME, - QETH_DBF_SENSE_PAGES, - QETH_DBF_SENSE_NR_AREAS, - QETH_DBF_SENSE_LEN); - qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME, - QETH_DBF_QERR_PAGES, - QETH_DBF_QERR_NR_AREAS, - QETH_DBF_QERR_LEN); - qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME, - QETH_DBF_TRACE_PAGES, - QETH_DBF_TRACE_NR_AREAS, - QETH_DBF_TRACE_LEN); - - if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) || - (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) || - (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) || - (qeth_dbf_trace == NULL)) { - qeth_unregister_dbf_views(); - return -ENOMEM; - } - debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view); - debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL); - - debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view); - debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL); - - debug_register_view(qeth_dbf_data, &debug_hex_ascii_view); - debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL); - - debug_register_view(qeth_dbf_control, &debug_hex_ascii_view); - debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL); - - debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view); - debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL); - - debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view); - debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL); - - debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view); - debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL); - - return 0; -} - -#ifdef CONFIG_QETH_IPV6 -extern struct neigh_table arp_tbl; -static struct neigh_ops *arp_direct_ops; -static int (*qeth_old_arp_constructor) (struct neighbour *); - -static struct neigh_ops arp_direct_ops_template = { - .family = AF_INET, - .solicit = NULL, - .error_report = NULL, - .output = dev_queue_xmit, - .connected_output = dev_queue_xmit, - .hh_output = dev_queue_xmit, - .queue_xmit = dev_queue_xmit -}; - -static int -qeth_arp_constructor(struct neighbour *neigh) -{ - struct net_device *dev = neigh->dev; - struct in_device *in_dev; - struct neigh_parms *parms; - struct qeth_card *card; - - card = qeth_get_card_from_dev(dev); - if (card == NULL) - goto out; - if((card->options.layer2) || - (card->dev->header_ops == &qeth_fake_ops)) - goto out; - - rcu_read_lock(); - in_dev = __in_dev_get_rcu(dev); - if (in_dev == NULL) { - rcu_read_unlock(); - return -EINVAL; - } - - parms = in_dev->arp_parms; - __neigh_parms_put(neigh->parms); - neigh->parms = neigh_parms_clone(parms); - rcu_read_unlock(); - - neigh->type = inet_addr_type(&init_net, *(__be32 *) neigh->primary_key); - neigh->nud_state = NUD_NOARP; - neigh->ops = arp_direct_ops; - neigh->output = neigh->ops->queue_xmit; - return 0; -out: - return qeth_old_arp_constructor(neigh); -} -#endif /*CONFIG_QETH_IPV6*/ - -/* - * IP address takeover related functions - */ -static void -qeth_clear_ipato_list(struct qeth_card *card) -{ - struct qeth_ipato_entry *ipatoe, *tmp; - unsigned long flags; - - spin_lock_irqsave(&card->ip_lock, flags); - list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { - list_del(&ipatoe->entry); - kfree(ipatoe); - } - spin_unlock_irqrestore(&card->ip_lock, flags); -} - -int -qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new) -{ - struct qeth_ipato_entry *ipatoe; - unsigned long flags; - int rc = 0; - - QETH_DBF_TEXT(trace, 2, "addipato"); - spin_lock_irqsave(&card->ip_lock, flags); - list_for_each_entry(ipatoe, &card->ipato.entries, entry){ - if (ipatoe->proto != new->proto) - continue; - if (!memcmp(ipatoe->addr, new->addr, - (ipatoe->proto == QETH_PROT_IPV4)? 4:16) && - (ipatoe->mask_bits == new->mask_bits)){ - PRINT_WARN("ipato entry already exists!\n"); - rc = -EEXIST; - break; - } - } - if (!rc) { - list_add_tail(&new->entry, &card->ipato.entries); - } - spin_unlock_irqrestore(&card->ip_lock, flags); - return rc; -} - -void -qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto, - u8 *addr, int mask_bits) -{ - struct qeth_ipato_entry *ipatoe, *tmp; - unsigned long flags; - - QETH_DBF_TEXT(trace, 2, "delipato"); - spin_lock_irqsave(&card->ip_lock, flags); - list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){ - if (ipatoe->proto != proto) - continue; - if (!memcmp(ipatoe->addr, addr, - (proto == QETH_PROT_IPV4)? 4:16) && - (ipatoe->mask_bits == mask_bits)){ - list_del(&ipatoe->entry); - kfree(ipatoe); - } - } - spin_unlock_irqrestore(&card->ip_lock, flags); -} - -static void -qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len) -{ - int i, j; - u8 octet; - - for (i = 0; i < len; ++i){ - octet = addr[i]; - for (j = 7; j >= 0; --j){ - bits[i*8 + j] = octet & 1; - octet >>= 1; - } - } -} - -static int -qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr) -{ - struct qeth_ipato_entry *ipatoe; - u8 addr_bits[128] = {0, }; - u8 ipatoe_bits[128] = {0, }; - int rc = 0; - - if (!card->ipato.enabled) - return 0; - - qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits, - (addr->proto == QETH_PROT_IPV4)? 4:16); - list_for_each_entry(ipatoe, &card->ipato.entries, entry){ - if (addr->proto != ipatoe->proto) - continue; - qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits, - (ipatoe->proto==QETH_PROT_IPV4) ? - 4:16); - if (addr->proto == QETH_PROT_IPV4) - rc = !memcmp(addr_bits, ipatoe_bits, - min(32, ipatoe->mask_bits)); - else - rc = !memcmp(addr_bits, ipatoe_bits, - min(128, ipatoe->mask_bits)); - if (rc) - break; - } - /* invert? */ - if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4) - rc = !rc; - else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6) - rc = !rc; - - return rc; -} - -/* - * VIPA related functions - */ -int -qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, - const u8 *addr) -{ - struct qeth_ipaddr *ipaddr; - unsigned long flags; - int rc = 0; - - ipaddr = qeth_get_addr_buffer(proto); - if (ipaddr){ - if (proto == QETH_PROT_IPV4){ - QETH_DBF_TEXT(trace, 2, "addvipa4"); - memcpy(&ipaddr->u.a4.addr, addr, 4); - ipaddr->u.a4.mask = 0; -#ifdef CONFIG_QETH_IPV6 - } else if (proto == QETH_PROT_IPV6){ - QETH_DBF_TEXT(trace, 2, "addvipa6"); - memcpy(&ipaddr->u.a6.addr, addr, 16); - ipaddr->u.a6.pfxlen = 0; -#endif - } - ipaddr->type = QETH_IP_TYPE_VIPA; - ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG; - ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG; - } else - return -ENOMEM; - spin_lock_irqsave(&card->ip_lock, flags); - if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) || - __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) - rc = -EEXIST; - spin_unlock_irqrestore(&card->ip_lock, flags); - if (rc){ - PRINT_WARN("Cannot add VIPA. Address already exists!\n"); - return rc; - } - if (!qeth_add_ip(card, ipaddr)) - kfree(ipaddr); - qeth_set_ip_addr_list(card); - return rc; -} - -void -qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto, - const u8 *addr) -{ - struct qeth_ipaddr *ipaddr; - - ipaddr = qeth_get_addr_buffer(proto); - if (ipaddr){ - if (proto == QETH_PROT_IPV4){ - QETH_DBF_TEXT(trace, 2, "delvipa4"); - memcpy(&ipaddr->u.a4.addr, addr, 4); - ipaddr->u.a4.mask = 0; -#ifdef CONFIG_QETH_IPV6 - } else if (proto == QETH_PROT_IPV6){ - QETH_DBF_TEXT(trace, 2, "delvipa6"); - memcpy(&ipaddr->u.a6.addr, addr, 16); - ipaddr->u.a6.pfxlen = 0; -#endif - } - ipaddr->type = QETH_IP_TYPE_VIPA; - } else - return; - if (!qeth_delete_ip(card, ipaddr)) - kfree(ipaddr); - qeth_set_ip_addr_list(card); -} - -/* - * proxy ARP related functions - */ -int -qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, - const u8 *addr) -{ - struct qeth_ipaddr *ipaddr; - unsigned long flags; - int rc = 0; - - ipaddr = qeth_get_addr_buffer(proto); - if (ipaddr){ - if (proto == QETH_PROT_IPV4){ - QETH_DBF_TEXT(trace, 2, "addrxip4"); - memcpy(&ipaddr->u.a4.addr, addr, 4); - ipaddr->u.a4.mask = 0; -#ifdef CONFIG_QETH_IPV6 - } else if (proto == QETH_PROT_IPV6){ - QETH_DBF_TEXT(trace, 2, "addrxip6"); - memcpy(&ipaddr->u.a6.addr, addr, 16); - ipaddr->u.a6.pfxlen = 0; -#endif - } - ipaddr->type = QETH_IP_TYPE_RXIP; - ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG; - ipaddr->del_flags = 0; - } else - return -ENOMEM; - spin_lock_irqsave(&card->ip_lock, flags); - if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) || - __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) - rc = -EEXIST; - spin_unlock_irqrestore(&card->ip_lock, flags); - if (rc){ - PRINT_WARN("Cannot add RXIP. Address already exists!\n"); - return rc; - } - if (!qeth_add_ip(card, ipaddr)) - kfree(ipaddr); - qeth_set_ip_addr_list(card); - return 0; -} - -void -qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto, - const u8 *addr) -{ - struct qeth_ipaddr *ipaddr; - - ipaddr = qeth_get_addr_buffer(proto); - if (ipaddr){ - if (proto == QETH_PROT_IPV4){ - QETH_DBF_TEXT(trace, 2, "addrxip4"); - memcpy(&ipaddr->u.a4.addr, addr, 4); - ipaddr->u.a4.mask = 0; -#ifdef CONFIG_QETH_IPV6 - } else if (proto == QETH_PROT_IPV6){ - QETH_DBF_TEXT(trace, 2, "addrxip6"); - memcpy(&ipaddr->u.a6.addr, addr, 16); - ipaddr->u.a6.pfxlen = 0; -#endif - } - ipaddr->type = QETH_IP_TYPE_RXIP; - } else - return; - if (!qeth_delete_ip(card, ipaddr)) - kfree(ipaddr); - qeth_set_ip_addr_list(card); -} - -/** - * IP event handler - */ -static int -qeth_ip_event(struct notifier_block *this, - unsigned long event,void *ptr) -{ - struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; - struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev; - struct qeth_ipaddr *addr; - struct qeth_card *card; - - QETH_DBF_TEXT(trace,3,"ipevent"); - card = qeth_get_card_from_dev(dev); - if (!card) - return NOTIFY_DONE; - if (card->options.layer2) - return NOTIFY_DONE; - - addr = qeth_get_addr_buffer(QETH_PROT_IPV4); - if (addr != NULL) { - addr->u.a4.addr = ifa->ifa_address; - addr->u.a4.mask = ifa->ifa_mask; - addr->type = QETH_IP_TYPE_NORMAL; - } else - goto out; - - switch(event) { - case NETDEV_UP: - if (!qeth_add_ip(card, addr)) - kfree(addr); - break; - case NETDEV_DOWN: - if (!qeth_delete_ip(card, addr)) - kfree(addr); - break; - default: - break; - } - qeth_set_ip_addr_list(card); -out: - return NOTIFY_DONE; -} - -static struct notifier_block qeth_ip_notifier = { - qeth_ip_event, - NULL, -}; - -#ifdef CONFIG_QETH_IPV6 -/** - * IPv6 event handler - */ -static int -qeth_ip6_event(struct notifier_block *this, - unsigned long event,void *ptr) -{ - - struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; - struct net_device *dev = (struct net_device *)ifa->idev->dev; - struct qeth_ipaddr *addr; - struct qeth_card *card; - - QETH_DBF_TEXT(trace,3,"ip6event"); - - card = qeth_get_card_from_dev(dev); - if (!card) - return NOTIFY_DONE; - if (!qeth_is_supported(card, IPA_IPV6)) - return NOTIFY_DONE; - - addr = qeth_get_addr_buffer(QETH_PROT_IPV6); - if (addr != NULL) { - memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr)); - addr->u.a6.pfxlen = ifa->prefix_len; - addr->type = QETH_IP_TYPE_NORMAL; - } else - goto out; - - switch(event) { - case NETDEV_UP: - if (!qeth_add_ip(card, addr)) - kfree(addr); - break; - case NETDEV_DOWN: - if (!qeth_delete_ip(card, addr)) - kfree(addr); - break; - default: - break; - } - qeth_set_ip_addr_list(card); -out: - return NOTIFY_DONE; -} - -static struct notifier_block qeth_ip6_notifier = { - qeth_ip6_event, - NULL, -}; -#endif - -static int -__qeth_reboot_event_card(struct device *dev, void *data) -{ - struct qeth_card *card; - - card = (struct qeth_card *) dev->driver_data; - qeth_clear_ip_list(card, 0, 0); - qeth_qdio_clear_card(card, 0); - qeth_clear_qdio_buffers(card); - return 0; -} - -static int -qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr) -{ - int ret; - - ret = driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL, - __qeth_reboot_event_card); - return ret ? NOTIFY_BAD : NOTIFY_DONE; -} - - -static struct notifier_block qeth_reboot_notifier = { - qeth_reboot_event, - NULL, -}; - -static int -qeth_register_notifiers(void) -{ - int r; - - QETH_DBF_TEXT(trace,5,"regnotif"); - if ((r = register_reboot_notifier(&qeth_reboot_notifier))) - return r; - if ((r = register_inetaddr_notifier(&qeth_ip_notifier))) - goto out_reboot; -#ifdef CONFIG_QETH_IPV6 - if ((r = register_inet6addr_notifier(&qeth_ip6_notifier))) - goto out_ipv4; -#endif - return 0; - -#ifdef CONFIG_QETH_IPV6 -out_ipv4: - unregister_inetaddr_notifier(&qeth_ip_notifier); -#endif -out_reboot: - unregister_reboot_notifier(&qeth_reboot_notifier); - return r; -} - -/** - * unregister all event notifiers - */ -static void -qeth_unregister_notifiers(void) -{ - - QETH_DBF_TEXT(trace,5,"unregnot"); - BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier)); - BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier)); -#ifdef CONFIG_QETH_IPV6 - BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier)); -#endif /* QETH_IPV6 */ - -} - -#ifdef CONFIG_QETH_IPV6 -static int -qeth_ipv6_init(void) -{ - qeth_old_arp_constructor = arp_tbl.constructor; - write_lock_bh(&arp_tbl.lock); - arp_tbl.constructor = qeth_arp_constructor; - write_unlock_bh(&arp_tbl.lock); - - arp_direct_ops = (struct neigh_ops*) - kmalloc(sizeof(struct neigh_ops), GFP_KERNEL); - if (!arp_direct_ops) - return -ENOMEM; - - memcpy(arp_direct_ops, &arp_direct_ops_template, - sizeof(struct neigh_ops)); - - return 0; -} - -static void -qeth_ipv6_uninit(void) -{ - write_lock_bh(&arp_tbl.lock); - arp_tbl.constructor = qeth_old_arp_constructor; - write_unlock_bh(&arp_tbl.lock); - kfree(arp_direct_ops); -} -#endif /* CONFIG_QETH_IPV6 */ - -static void -qeth_sysfs_unregister(void) -{ - s390_root_dev_unregister(qeth_root_dev); - qeth_remove_driver_attributes(); - ccw_driver_unregister(&qeth_ccw_driver); - ccwgroup_driver_unregister(&qeth_ccwgroup_driver); -} - -/** - * register qeth at sysfs - */ -static int -qeth_sysfs_register(void) -{ - int rc; - - rc = ccwgroup_driver_register(&qeth_ccwgroup_driver); - if (rc) - goto out; - - rc = ccw_driver_register(&qeth_ccw_driver); - if (rc) - goto out_ccw_driver; - - rc = qeth_create_driver_attributes(); - if (rc) - goto out_qeth_attr; - - qeth_root_dev = s390_root_dev_register("qeth"); - rc = IS_ERR(qeth_root_dev) ? PTR_ERR(qeth_root_dev) : 0; - if (!rc) - goto out; - - qeth_remove_driver_attributes(); -out_qeth_attr: - ccw_driver_unregister(&qeth_ccw_driver); -out_ccw_driver: - ccwgroup_driver_unregister(&qeth_ccwgroup_driver); -out: - return rc; -} - -/*** - * init function - */ -static int __init -qeth_init(void) -{ - int rc; - - PRINT_INFO("loading %s\n", version); - - INIT_LIST_HEAD(&qeth_card_list.list); - INIT_LIST_HEAD(&qeth_notify_list); - spin_lock_init(&qeth_notify_lock); - rwlock_init(&qeth_card_list.rwlock); - - rc = qeth_register_dbf_views(); - if (rc) - goto out_err; - - rc = qeth_sysfs_register(); - if (rc) - goto out_dbf; - -#ifdef CONFIG_QETH_IPV6 - rc = qeth_ipv6_init(); - if (rc) { - PRINT_ERR("Out of memory during ipv6 init code = %d\n", rc); - goto out_sysfs; - } -#endif /* QETH_IPV6 */ - rc = qeth_register_notifiers(); - if (rc) - goto out_ipv6; - rc = qeth_create_procfs_entries(); - if (rc) - goto out_notifiers; - - return rc; - -out_notifiers: - qeth_unregister_notifiers(); -out_ipv6: -#ifdef CONFIG_QETH_IPV6 - qeth_ipv6_uninit(); -out_sysfs: -#endif /* QETH_IPV6 */ - qeth_sysfs_unregister(); -out_dbf: - qeth_unregister_dbf_views(); -out_err: - PRINT_ERR("Initialization failed with code %d\n", rc); - return rc; -} - -static void -__exit qeth_exit(void) -{ - struct qeth_card *card, *tmp; - unsigned long flags; - - QETH_DBF_TEXT(trace,1, "cleanup."); - - /* - * Weed would not need to clean up our devices here, because the - * common device layer calls qeth_remove_device for each device - * as soon as we unregister our driver (done in qeth_sysfs_unregister). - * But we do cleanup here so we can do a "soft" shutdown of our cards. - * qeth_remove_device called by the common device layer would otherwise - * do a "hard" shutdown (card->use_hard_stop is set to one in - * qeth_remove_device). - */ -again: - read_lock_irqsave(&qeth_card_list.rwlock, flags); - list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){ - read_unlock_irqrestore(&qeth_card_list.rwlock, flags); - qeth_set_offline(card->gdev); - qeth_remove_device(card->gdev); - goto again; - } - read_unlock_irqrestore(&qeth_card_list.rwlock, flags); -#ifdef CONFIG_QETH_IPV6 - qeth_ipv6_uninit(); -#endif - qeth_unregister_notifiers(); - qeth_remove_procfs_entries(); - qeth_sysfs_unregister(); - qeth_unregister_dbf_views(); - printk("qeth: removed\n"); -} - -EXPORT_SYMBOL(qeth_osn_register); -EXPORT_SYMBOL(qeth_osn_deregister); -EXPORT_SYMBOL(qeth_osn_assist); -module_init(qeth_init); -module_exit(qeth_exit); -MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>"); -MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \ - "Copyright 2000,2003 IBM Corporation\n"); - -MODULE_LICENSE("GPL"); diff --git a/drivers/s390/net/qeth_mpc.c b/drivers/s390/net/qeth_mpc.c deleted file mode 100644 index f29a4bc4f6f2..000000000000 --- a/drivers/s390/net/qeth_mpc.c +++ /dev/null @@ -1,269 +0,0 @@ -/* - * linux/drivers/s390/net/qeth_mpc.c - * - * Linux on zSeries OSA Express and HiperSockets support - * - * Copyright 2000,2003 IBM Corporation - * Author(s): Frank Pavlic <fpavlic@de.ibm.com> - * Thomas Spatzier <tspat@de.ibm.com> - * - */ -#include <asm/cio.h> -#include "qeth_mpc.h" - -unsigned char IDX_ACTIVATE_READ[]={ - 0x00,0x00,0x80,0x00, 0x00,0x00,0x00,0x00, - 0x19,0x01,0x01,0x80, 0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00, 0x00,0x00,0xc8,0xc1, - 0xd3,0xd3,0xd6,0xd3, 0xc5,0x40,0x00,0x00, - 0x00,0x00 -}; - -unsigned char IDX_ACTIVATE_WRITE[]={ - 0x00,0x00,0x80,0x00, 0x00,0x00,0x00,0x00, - 0x15,0x01,0x01,0x80, 0x00,0x00,0x00,0x00, - 0xff,0xff,0x00,0x00, 0x00,0x00,0xc8,0xc1, - 0xd3,0xd3,0xd6,0xd3, 0xc5,0x40,0x00,0x00, - 0x00,0x00 -}; - -unsigned char CM_ENABLE[]={ - 0x00,0xe0,0x00,0x00, 0x00,0x00,0x00,0x01, - 0x00,0x00,0x00,0x14, 0x00,0x00,0x00,0x63, - 0x10,0x00,0x00,0x01, - 0x00,0x00,0x00,0x00, - 0x81,0x7e,0x00,0x01, 0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00, 0x00,0x24,0x00,0x23, - 0x00,0x00,0x23,0x05, 0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, - 0x01,0x00,0x00,0x23, 0x00,0x00,0x00,0x40, - 0x00,0x0c,0x41,0x02, 0x00,0x17,0x00,0x00, - 0x00,0x00,0x00,0x00, - 0x00,0x0b,0x04,0x01, - 0x7e,0x04,0x05,0x00, 0x01,0x01,0x0f, - 0x00, - 0x0c,0x04,0x02,0xff, 0xff,0xff,0xff,0xff, - 0xff,0xff,0xff -}; - -unsigned char CM_SETUP[]={ - 0x00,0xe0,0x00,0x00, 0x00,0x00,0x00,0x02, - 0x00,0x00,0x00,0x14, 0x00,0x00,0x00,0x64, - 0x10,0x00,0x00,0x01, - 0x00,0x00,0x00,0x00, - 0x81,0x7e,0x00,0x01, 0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00, 0x00,0x24,0x00,0x24, - 0x00,0x00,0x24,0x05, 0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, - 0x01,0x00,0x00,0x24, 0x00,0x00,0x00,0x40, - 0x00,0x0c,0x41,0x04, 0x00,0x18,0x00,0x00, - 0x00,0x00,0x00,0x00, - 0x00,0x09,0x04,0x04, - 0x05,0x00,0x01,0x01, 0x11, - 0x00,0x09,0x04, - 0x05,0x05,0x00,0x00, 0x00,0x00, - 0x00,0x06, - 0x04,0x06,0xc8,0x00 -}; - -unsigned char ULP_ENABLE[]={ - 0x00,0xe0,0x00,0x00, 0x00,0x00,0x00,0x03, - 0x00,0x00,0x00,0x14, 0x00,0x00,0x00,0x6b, - 0x10,0x00,0x00,0x01, - 0x00,0x00,0x00,0x00, - 0x41,0x7e,0x00,0x01, 0x00,0x00,0x00,0x01, - 0x00,0x00,0x00,0x00, 0x00,0x24,0x00,0x2b, - 0x00,0x00,0x2b,0x05, 0x20,0x01,0x00,0x00, - 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, - 0x01,0x00,0x00,0x2b, 0x00,0x00,0x00,0x40, - 0x00,0x0c,0x41,0x02, 0x00,0x1f,0x00,0x00, - 0x00,0x00,0x00,0x00, - 0x00,0x0b,0x04,0x01, - 0x03,0x04,0x05,0x00, 0x01,0x01,0x12, - 0x00, - 0x14,0x04,0x0a,0x00, 0x20,0x00,0x00,0xff, - 0xff,0x00,0x08,0xc8, 0xe8,0xc4,0xf1,0xc7, - 0xf1,0x00,0x00 -}; - -unsigned char ULP_SETUP[]={ - 0x00,0xe0,0x00,0x00, 0x00,0x00,0x00,0x04, - 0x00,0x00,0x00,0x14, 0x00,0x00,0x00,0x6c, - 0x10,0x00,0x00,0x01, - 0x00,0x00,0x00,0x00, - 0x41,0x7e,0x00,0x01, 0x00,0x00,0x00,0x02, - 0x00,0x00,0x00,0x01, 0x00,0x24,0x00,0x2c, - 0x00,0x00,0x2c,0x05, 0x20,0x01,0x00,0x00, - 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, - 0x01,0x00,0x00,0x2c, 0x00,0x00,0x00,0x40, - 0x00,0x0c,0x41,0x04, 0x00,0x20,0x00,0x00, - 0x00,0x00,0x00,0x00, - 0x00,0x09,0x04,0x04, - 0x05,0x00,0x01,0x01, 0x14, - 0x00,0x09,0x04, - 0x05,0x05,0x30,0x01, 0x00,0x00, - 0x00,0x06, - 0x04,0x06,0x40,0x00, - 0x00,0x08,0x04,0x0b, - 0x00,0x00,0x00,0x00 -}; - -unsigned char DM_ACT[]={ - 0x00,0xe0,0x00,0x00, 0x00,0x00,0x00,0x05, - 0x00,0x00,0x00,0x14, 0x00,0x00,0x00,0x55, - 0x10,0x00,0x00,0x01, - 0x00,0x00,0x00,0x00, - 0x41,0x7e,0x00,0x01, 0x00,0x00,0x00,0x03, - 0x00,0x00,0x00,0x02, 0x00,0x24,0x00,0x15, - 0x00,0x00,0x2c,0x05, 0x20,0x01,0x00,0x00, - 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, - 0x01,0x00,0x00,0x15, 0x00,0x00,0x00,0x40, - 0x00,0x0c,0x43,0x60, 0x00,0x09,0x00,0x00, - 0x00,0x00,0x00,0x00, - 0x00,0x09,0x04,0x04, - 0x05,0x40,0x01,0x01, 0x00 -}; - -unsigned char IPA_PDU_HEADER[]={ - 0x00,0xe0,0x00,0x00, 0x77,0x77,0x77,0x77, - 0x00,0x00,0x00,0x14, 0x00,0x00, - (IPA_PDU_HEADER_SIZE+sizeof(struct qeth_ipa_cmd))/256, - (IPA_PDU_HEADER_SIZE+sizeof(struct qeth_ipa_cmd))%256, - 0x10,0x00,0x00,0x01, 0x00,0x00,0x00,0x00, - 0xc1,0x03,0x00,0x01, 0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00, 0x00,0x24, - sizeof(struct qeth_ipa_cmd)/256, - sizeof(struct qeth_ipa_cmd)%256, - 0x00, - sizeof(struct qeth_ipa_cmd)/256, - sizeof(struct qeth_ipa_cmd)%256, - 0x05, - 0x77,0x77,0x77,0x77, - 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, - 0x01,0x00, - sizeof(struct qeth_ipa_cmd)/256, - sizeof(struct qeth_ipa_cmd)%256, - 0x00,0x00,0x00,0x40, -}; - -unsigned char WRITE_CCW[]={ - 0x01,CCW_FLAG_SLI,0,0, - 0,0,0,0 -}; - -unsigned char READ_CCW[]={ - 0x02,CCW_FLAG_SLI,0,0, - 0,0,0,0 -}; - - -struct ipa_rc_msg { - enum qeth_ipa_return_codes rc; - char *msg; -}; - -static struct ipa_rc_msg qeth_ipa_rc_msg[] = { - {IPA_RC_SUCCESS, "success"}, - {IPA_RC_NOTSUPP, "Command not supported"}, - {IPA_RC_IP_TABLE_FULL, "Add Addr IP Table Full - ipv6"}, - {IPA_RC_UNKNOWN_ERROR, "IPA command failed - reason unknown"}, - {IPA_RC_UNSUPPORTED_COMMAND, "Command not supported"}, - {IPA_RC_DUP_IPV6_REMOTE,"ipv6 address already registered remote"}, - {IPA_RC_DUP_IPV6_HOME, "ipv6 address already registered"}, - {IPA_RC_UNREGISTERED_ADDR, "Address not registered"}, - {IPA_RC_NO_ID_AVAILABLE, "No identifiers available"}, - {IPA_RC_ID_NOT_FOUND, "Identifier not found"}, - {IPA_RC_INVALID_IP_VERSION, "IP version incorrect"}, - {IPA_RC_LAN_FRAME_MISMATCH, "LAN and frame mismatch"}, - {IPA_RC_L2_UNSUPPORTED_CMD, "Unsupported layer 2 command"}, - {IPA_RC_L2_DUP_MAC, "Duplicate MAC address"}, - {IPA_RC_L2_ADDR_TABLE_FULL, "Layer2 address table full"}, - {IPA_RC_L2_DUP_LAYER3_MAC, "Duplicate with layer 3 MAC"}, - {IPA_RC_L2_GMAC_NOT_FOUND, "GMAC not found"}, - {IPA_RC_L2_MAC_NOT_FOUND, "L2 mac address not found"}, - {IPA_RC_L2_INVALID_VLAN_ID, "L2 invalid vlan id"}, - {IPA_RC_L2_DUP_VLAN_ID, "L2 duplicate vlan id"}, - {IPA_RC_L2_VLAN_ID_NOT_FOUND, "L2 vlan id not found"}, - {IPA_RC_DATA_MISMATCH, "Data field mismatch (v4/v6 mixed)"}, - {IPA_RC_INVALID_MTU_SIZE, "Invalid MTU size"}, - {IPA_RC_INVALID_LANTYPE, "Invalid LAN type"}, - {IPA_RC_INVALID_LANNUM, "Invalid LAN num"}, - {IPA_RC_DUPLICATE_IP_ADDRESS, "Address already registered"}, - {IPA_RC_IP_ADDR_TABLE_FULL, "IP address table full"}, - {IPA_RC_LAN_PORT_STATE_ERROR, "LAN port state error"}, - {IPA_RC_SETIP_NO_STARTLAN, "Setip no startlan received"}, - {IPA_RC_SETIP_ALREADY_RECEIVED, "Setip already received"}, - {IPA_RC_IP_ADDR_ALREADY_USED, "IP address already in use on LAN"}, - {IPA_RC_MULTICAST_FULL, "No task available, multicast full"}, - {IPA_RC_SETIP_INVALID_VERSION, "SETIP invalid IP version"}, - {IPA_RC_UNSUPPORTED_SUBCMD, "Unsupported assist subcommand"}, - {IPA_RC_ARP_ASSIST_NO_ENABLE, "Only partial success, no enable"}, - {IPA_RC_PRIMARY_ALREADY_DEFINED,"Primary already defined"}, - {IPA_RC_SECOND_ALREADY_DEFINED, "Secondary already defined"}, - {IPA_RC_INVALID_SETRTG_INDICATOR,"Invalid SETRTG indicator"}, - {IPA_RC_MC_ADDR_ALREADY_DEFINED,"Multicast address already defined"}, - {IPA_RC_LAN_OFFLINE, "STRTLAN_LAN_DISABLED - LAN offline"}, - {IPA_RC_INVALID_IP_VERSION2, "Invalid IP version"}, - {IPA_RC_FFFF, "Unknown Error"} -}; - - - -char * -qeth_get_ipa_msg(enum qeth_ipa_return_codes rc) -{ - int x = 0; - qeth_ipa_rc_msg[sizeof(qeth_ipa_rc_msg) / - sizeof(struct ipa_rc_msg) - 1].rc = rc; - while(qeth_ipa_rc_msg[x].rc != rc) - x++; - return qeth_ipa_rc_msg[x].msg; -} - - -struct ipa_cmd_names { - enum qeth_ipa_cmds cmd; - char *name; -}; - -static struct ipa_cmd_names qeth_ipa_cmd_names[] = { - {IPA_CMD_STARTLAN, "startlan"}, - {IPA_CMD_STOPLAN, "stoplan"}, - {IPA_CMD_SETVMAC, "setvmac"}, - {IPA_CMD_DELVMAC, "delvmca"}, - {IPA_CMD_SETGMAC, "setgmac"}, - {IPA_CMD_DELGMAC, "delgmac"}, - {IPA_CMD_SETVLAN, "setvlan"}, - {IPA_CMD_DELVLAN, "delvlan"}, - {IPA_CMD_SETCCID, "setccid"}, - {IPA_CMD_DELCCID, "delccid"}, - {IPA_CMD_MODCCID, "setip"}, - {IPA_CMD_SETIP, "setip"}, - {IPA_CMD_QIPASSIST, "qipassist"}, - {IPA_CMD_SETASSPARMS, "setassparms"}, - {IPA_CMD_SETIPM, "setipm"}, - {IPA_CMD_DELIPM, "delipm"}, - {IPA_CMD_SETRTG, "setrtg"}, - {IPA_CMD_DELIP, "delip"}, - {IPA_CMD_SETADAPTERPARMS, "setadapterparms"}, - {IPA_CMD_SET_DIAG_ASS, "set_diag_ass"}, - {IPA_CMD_CREATE_ADDR, "create_addr"}, - {IPA_CMD_DESTROY_ADDR, "destroy_addr"}, - {IPA_CMD_REGISTER_LOCAL_ADDR, "register_local_addr"}, - {IPA_CMD_UNREGISTER_LOCAL_ADDR, "unregister_local_addr"}, - {IPA_CMD_UNKNOWN, "unknown"}, -}; - -char * -qeth_get_ipa_cmd_name(enum qeth_ipa_cmds cmd) -{ - int x = 0; - qeth_ipa_cmd_names[ - sizeof(qeth_ipa_cmd_names)/ - sizeof(struct ipa_cmd_names)-1].cmd = cmd; - while(qeth_ipa_cmd_names[x].cmd != cmd) - x++; - return qeth_ipa_cmd_names[x].name; -} - - diff --git a/drivers/s390/net/qeth_mpc.h b/drivers/s390/net/qeth_mpc.h deleted file mode 100644 index 6de2da5ed5fd..000000000000 --- a/drivers/s390/net/qeth_mpc.h +++ /dev/null @@ -1,583 +0,0 @@ -/* - * linux/drivers/s390/net/qeth_mpc.h - * - * Linux on zSeries OSA Express and HiperSockets support - * - * Copyright 2000,2003 IBM Corporation - * Author(s): Utz Bacher <utz.bacher@de.ibm.com> - * Thomas Spatzier <tspat@de.ibm.com> - * Frank Pavlic <fpavlic@de.ibm.com> - * - */ -#ifndef __QETH_MPC_H__ -#define __QETH_MPC_H__ - -#include <asm/qeth.h> - -#define IPA_PDU_HEADER_SIZE 0x40 -#define QETH_IPA_PDU_LEN_TOTAL(buffer) (buffer+0x0e) -#define QETH_IPA_PDU_LEN_PDU1(buffer) (buffer+0x26) -#define QETH_IPA_PDU_LEN_PDU2(buffer) (buffer+0x29) -#define QETH_IPA_PDU_LEN_PDU3(buffer) (buffer+0x3a) - -extern unsigned char IPA_PDU_HEADER[]; -#define QETH_IPA_CMD_DEST_ADDR(buffer) (buffer+0x2c) - -#define IPA_CMD_LENGTH (IPA_PDU_HEADER_SIZE + sizeof(struct qeth_ipa_cmd)) - -#define QETH_SEQ_NO_LENGTH 4 -#define QETH_MPC_TOKEN_LENGTH 4 -#define QETH_MCL_LENGTH 4 -#define OSA_ADDR_LEN 6 - -#define QETH_TIMEOUT (10 * HZ) -#define QETH_IPA_TIMEOUT (45 * HZ) -#define QETH_IDX_COMMAND_SEQNO 0xffff0000 -#define SR_INFO_LEN 16 - -#define QETH_CLEAR_CHANNEL_PARM -10 -#define QETH_HALT_CHANNEL_PARM -11 -#define QETH_RCD_PARM -12 - -/*****************************************************************************/ -/* IP Assist related definitions */ -/*****************************************************************************/ -#define IPA_CMD_INITIATOR_HOST 0x00 -#define IPA_CMD_INITIATOR_OSA 0x01 -#define IPA_CMD_INITIATOR_HOST_REPLY 0x80 -#define IPA_CMD_INITIATOR_OSA_REPLY 0x81 -#define IPA_CMD_PRIM_VERSION_NO 0x01 - -enum qeth_card_types { - QETH_CARD_TYPE_UNKNOWN = 0, - QETH_CARD_TYPE_OSAE = 10, - QETH_CARD_TYPE_IQD = 1234, - QETH_CARD_TYPE_OSN = 11, -}; - -#define QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE 0x18 -/* only the first two bytes are looked at in qeth_get_cardname_short */ -enum qeth_link_types { - QETH_LINK_TYPE_FAST_ETH = 0x01, - QETH_LINK_TYPE_HSTR = 0x02, - QETH_LINK_TYPE_GBIT_ETH = 0x03, - QETH_LINK_TYPE_OSN = 0x04, - QETH_LINK_TYPE_10GBIT_ETH = 0x10, - QETH_LINK_TYPE_LANE_ETH100 = 0x81, - QETH_LINK_TYPE_LANE_TR = 0x82, - QETH_LINK_TYPE_LANE_ETH1000 = 0x83, - QETH_LINK_TYPE_LANE = 0x88, - QETH_LINK_TYPE_ATM_NATIVE = 0x90, -}; - -enum qeth_tr_macaddr_modes { - QETH_TR_MACADDR_NONCANONICAL = 0, - QETH_TR_MACADDR_CANONICAL = 1, -}; - -enum qeth_tr_broadcast_modes { - QETH_TR_BROADCAST_ALLRINGS = 0, - QETH_TR_BROADCAST_LOCAL = 1, -}; - -/* these values match CHECKSUM_* in include/linux/skbuff.h */ -enum qeth_checksum_types { - SW_CHECKSUMMING = 0, /* TODO: set to bit flag used in IPA Command */ - HW_CHECKSUMMING = 1, - NO_CHECKSUMMING = 2, -}; -#define QETH_CHECKSUM_DEFAULT SW_CHECKSUMMING - -/* - * Routing stuff - */ -#define RESET_ROUTING_FLAG 0x10 /* indicate that routing type shall be set */ -enum qeth_routing_types { - NO_ROUTER = 0, /* TODO: set to bit flag used in IPA Command */ - PRIMARY_ROUTER = 1, - SECONDARY_ROUTER = 2, - MULTICAST_ROUTER = 3, - PRIMARY_CONNECTOR = 4, - SECONDARY_CONNECTOR = 5, -}; - -/* IPA Commands */ -enum qeth_ipa_cmds { - IPA_CMD_STARTLAN = 0x01, - IPA_CMD_STOPLAN = 0x02, - IPA_CMD_SETVMAC = 0x21, - IPA_CMD_DELVMAC = 0x22, - IPA_CMD_SETGMAC = 0x23, - IPA_CMD_DELGMAC = 0x24, - IPA_CMD_SETVLAN = 0x25, - IPA_CMD_DELVLAN = 0x26, - IPA_CMD_SETCCID = 0x41, - IPA_CMD_DELCCID = 0x42, - IPA_CMD_MODCCID = 0x43, - IPA_CMD_SETIP = 0xb1, - IPA_CMD_QIPASSIST = 0xb2, - IPA_CMD_SETASSPARMS = 0xb3, - IPA_CMD_SETIPM = 0xb4, - IPA_CMD_DELIPM = 0xb5, - IPA_CMD_SETRTG = 0xb6, - IPA_CMD_DELIP = 0xb7, - IPA_CMD_SETADAPTERPARMS = 0xb8, - IPA_CMD_SET_DIAG_ASS = 0xb9, - IPA_CMD_CREATE_ADDR = 0xc3, - IPA_CMD_DESTROY_ADDR = 0xc4, - IPA_CMD_REGISTER_LOCAL_ADDR = 0xd1, - IPA_CMD_UNREGISTER_LOCAL_ADDR = 0xd2, - IPA_CMD_UNKNOWN = 0x00 -}; - -enum qeth_ip_ass_cmds { - IPA_CMD_ASS_START = 0x0001, - IPA_CMD_ASS_STOP = 0x0002, - IPA_CMD_ASS_CONFIGURE = 0x0003, - IPA_CMD_ASS_ENABLE = 0x0004, -}; - -enum qeth_arp_process_subcmds { - IPA_CMD_ASS_ARP_SET_NO_ENTRIES = 0x0003, - IPA_CMD_ASS_ARP_QUERY_CACHE = 0x0004, - IPA_CMD_ASS_ARP_ADD_ENTRY = 0x0005, - IPA_CMD_ASS_ARP_REMOVE_ENTRY = 0x0006, - IPA_CMD_ASS_ARP_FLUSH_CACHE = 0x0007, - IPA_CMD_ASS_ARP_QUERY_INFO = 0x0104, - IPA_CMD_ASS_ARP_QUERY_STATS = 0x0204, -}; - - -/* Return Codes for IPA Commands - * according to OSA card Specs */ - -enum qeth_ipa_return_codes { - IPA_RC_SUCCESS = 0x0000, - IPA_RC_NOTSUPP = 0x0001, - IPA_RC_IP_TABLE_FULL = 0x0002, - IPA_RC_UNKNOWN_ERROR = 0x0003, - IPA_RC_UNSUPPORTED_COMMAND = 0x0004, - IPA_RC_DUP_IPV6_REMOTE = 0x0008, - IPA_RC_DUP_IPV6_HOME = 0x0010, - IPA_RC_UNREGISTERED_ADDR = 0x0011, - IPA_RC_NO_ID_AVAILABLE = 0x0012, - IPA_RC_ID_NOT_FOUND = 0x0013, - IPA_RC_INVALID_IP_VERSION = 0x0020, - IPA_RC_LAN_FRAME_MISMATCH = 0x0040, - IPA_RC_L2_UNSUPPORTED_CMD = 0x2003, - IPA_RC_L2_DUP_MAC = 0x2005, - IPA_RC_L2_ADDR_TABLE_FULL = 0x2006, - IPA_RC_L2_DUP_LAYER3_MAC = 0x200a, - IPA_RC_L2_GMAC_NOT_FOUND = 0x200b, - IPA_RC_L2_MAC_NOT_FOUND = 0x2010, - IPA_RC_L2_INVALID_VLAN_ID = 0x2015, - IPA_RC_L2_DUP_VLAN_ID = 0x2016, - IPA_RC_L2_VLAN_ID_NOT_FOUND = 0x2017, - IPA_RC_DATA_MISMATCH = 0xe001, - IPA_RC_INVALID_MTU_SIZE = 0xe002, - IPA_RC_INVALID_LANTYPE = 0xe003, - IPA_RC_INVALID_LANNUM = 0xe004, - IPA_RC_DUPLICATE_IP_ADDRESS = 0xe005, - IPA_RC_IP_ADDR_TABLE_FULL = 0xe006, - IPA_RC_LAN_PORT_STATE_ERROR = 0xe007, - IPA_RC_SETIP_NO_STARTLAN = 0xe008, - IPA_RC_SETIP_ALREADY_RECEIVED = 0xe009, - IPA_RC_IP_ADDR_ALREADY_USED = 0xe00a, - IPA_RC_MULTICAST_FULL = 0xe00b, - IPA_RC_SETIP_INVALID_VERSION = 0xe00d, - IPA_RC_UNSUPPORTED_SUBCMD = 0xe00e, - IPA_RC_ARP_ASSIST_NO_ENABLE = 0xe00f, - IPA_RC_PRIMARY_ALREADY_DEFINED = 0xe010, - IPA_RC_SECOND_ALREADY_DEFINED = 0xe011, - IPA_RC_INVALID_SETRTG_INDICATOR = 0xe012, - IPA_RC_MC_ADDR_ALREADY_DEFINED = 0xe013, - IPA_RC_LAN_OFFLINE = 0xe080, - IPA_RC_INVALID_IP_VERSION2 = 0xf001, - IPA_RC_FFFF = 0xffff -}; - -/* IPA function flags; each flag marks availability of respective function */ -enum qeth_ipa_funcs { - IPA_ARP_PROCESSING = 0x00000001L, - IPA_INBOUND_CHECKSUM = 0x00000002L, - IPA_OUTBOUND_CHECKSUM = 0x00000004L, - IPA_IP_FRAGMENTATION = 0x00000008L, - IPA_FILTERING = 0x00000010L, - IPA_IPV6 = 0x00000020L, - IPA_MULTICASTING = 0x00000040L, - IPA_IP_REASSEMBLY = 0x00000080L, - IPA_QUERY_ARP_COUNTERS = 0x00000100L, - IPA_QUERY_ARP_ADDR_INFO = 0x00000200L, - IPA_SETADAPTERPARMS = 0x00000400L, - IPA_VLAN_PRIO = 0x00000800L, - IPA_PASSTHRU = 0x00001000L, - IPA_FLUSH_ARP_SUPPORT = 0x00002000L, - IPA_FULL_VLAN = 0x00004000L, - IPA_INBOUND_PASSTHRU = 0x00008000L, - IPA_SOURCE_MAC = 0x00010000L, - IPA_OSA_MC_ROUTER = 0x00020000L, - IPA_QUERY_ARP_ASSIST = 0x00040000L, - IPA_INBOUND_TSO = 0x00080000L, - IPA_OUTBOUND_TSO = 0x00100000L, -}; - -/* SETIP/DELIP IPA Command: ***************************************************/ -enum qeth_ipa_setdelip_flags { - QETH_IPA_SETDELIP_DEFAULT = 0x00L, /* default */ - QETH_IPA_SETIP_VIPA_FLAG = 0x01L, /* no grat. ARP */ - QETH_IPA_SETIP_TAKEOVER_FLAG = 0x02L, /* nofail on grat. ARP */ - QETH_IPA_DELIP_ADDR_2_B_TAKEN_OVER = 0x20L, - QETH_IPA_DELIP_VIPA_FLAG = 0x40L, - QETH_IPA_DELIP_ADDR_NEEDS_SETIP = 0x80L, -}; - -/* SETADAPTER IPA Command: ****************************************************/ -enum qeth_ipa_setadp_cmd { - IPA_SETADP_QUERY_COMMANDS_SUPPORTED = 0x01, - IPA_SETADP_ALTER_MAC_ADDRESS = 0x02, - IPA_SETADP_ADD_DELETE_GROUP_ADDRESS = 0x04, - IPA_SETADP_ADD_DELETE_FUNCTIONAL_ADDR = 0x08, - IPA_SETADP_SET_ADDRESSING_MODE = 0x10, - IPA_SETADP_SET_CONFIG_PARMS = 0x20, - IPA_SETADP_SET_CONFIG_PARMS_EXTENDED = 0x40, - IPA_SETADP_SET_BROADCAST_MODE = 0x80, - IPA_SETADP_SEND_OSA_MESSAGE = 0x0100, - IPA_SETADP_SET_SNMP_CONTROL = 0x0200, - IPA_SETADP_QUERY_CARD_INFO = 0x0400, - IPA_SETADP_SET_PROMISC_MODE = 0x0800, -}; -enum qeth_ipa_mac_ops { - CHANGE_ADDR_READ_MAC = 0, - CHANGE_ADDR_REPLACE_MAC = 1, - CHANGE_ADDR_ADD_MAC = 2, - CHANGE_ADDR_DEL_MAC = 4, - CHANGE_ADDR_RESET_MAC = 8, -}; -enum qeth_ipa_addr_ops { - CHANGE_ADDR_READ_ADDR = 0, - CHANGE_ADDR_ADD_ADDR = 1, - CHANGE_ADDR_DEL_ADDR = 2, - CHANGE_ADDR_FLUSH_ADDR_TABLE = 4, -}; -enum qeth_ipa_promisc_modes { - SET_PROMISC_MODE_OFF = 0, - SET_PROMISC_MODE_ON = 1, -}; - -/* (SET)DELIP(M) IPA stuff ***************************************************/ -struct qeth_ipacmd_setdelip4 { - __u8 ip_addr[4]; - __u8 mask[4]; - __u32 flags; -} __attribute__ ((packed)); - -struct qeth_ipacmd_setdelip6 { - __u8 ip_addr[16]; - __u8 mask[16]; - __u32 flags; -} __attribute__ ((packed)); - -struct qeth_ipacmd_setdelipm { - __u8 mac[6]; - __u8 padding[2]; - __u8 ip6[12]; - __u8 ip4[4]; -} __attribute__ ((packed)); - -struct qeth_ipacmd_layer2setdelmac { - __u32 mac_length; - __u8 mac[6]; -} __attribute__ ((packed)); - -struct qeth_ipacmd_layer2setdelvlan { - __u16 vlan_id; -} __attribute__ ((packed)); - - -struct qeth_ipacmd_setassparms_hdr { - __u32 assist_no; - __u16 length; - __u16 command_code; - __u16 return_code; - __u8 number_of_replies; - __u8 seq_no; -} __attribute__((packed)); - -struct qeth_arp_query_data { - __u16 request_bits; - __u16 reply_bits; - __u32 no_entries; - char data; -} __attribute__((packed)); - -/* used as parameter for arp_query reply */ -struct qeth_arp_query_info { - __u32 udata_len; - __u16 mask_bits; - __u32 udata_offset; - __u32 no_entries; - char *udata; -}; - -/* SETASSPARMS IPA Command: */ -struct qeth_ipacmd_setassparms { - struct qeth_ipacmd_setassparms_hdr hdr; - union { - __u32 flags_32bit; - struct qeth_arp_cache_entry add_arp_entry; - struct qeth_arp_query_data query_arp; - __u8 ip[16]; - } data; -} __attribute__ ((packed)); - - -/* SETRTG IPA Command: ****************************************************/ -struct qeth_set_routing { - __u8 type; -}; - -/* SETADAPTERPARMS IPA Command: *******************************************/ -struct qeth_query_cmds_supp { - __u32 no_lantypes_supp; - __u8 lan_type; - __u8 reserved1[3]; - __u32 supported_cmds; - __u8 reserved2[8]; -} __attribute__ ((packed)); - -struct qeth_change_addr { - __u32 cmd; - __u32 addr_size; - __u32 no_macs; - __u8 addr[OSA_ADDR_LEN]; -} __attribute__ ((packed)); - - -struct qeth_snmp_cmd { - __u8 token[16]; - __u32 request; - __u32 interface; - __u32 returncode; - __u32 firmwarelevel; - __u32 seqno; - __u8 data; -} __attribute__ ((packed)); - -struct qeth_snmp_ureq_hdr { - __u32 data_len; - __u32 req_len; - __u32 reserved1; - __u32 reserved2; -} __attribute__ ((packed)); - -struct qeth_snmp_ureq { - struct qeth_snmp_ureq_hdr hdr; - struct qeth_snmp_cmd cmd; -} __attribute__((packed)); - -struct qeth_ipacmd_setadpparms_hdr { - __u32 supp_hw_cmds; - __u32 reserved1; - __u16 cmdlength; - __u16 reserved2; - __u32 command_code; - __u16 return_code; - __u8 used_total; - __u8 seq_no; - __u32 reserved3; -} __attribute__ ((packed)); - -struct qeth_ipacmd_setadpparms { - struct qeth_ipacmd_setadpparms_hdr hdr; - union { - struct qeth_query_cmds_supp query_cmds_supp; - struct qeth_change_addr change_addr; - struct qeth_snmp_cmd snmp; - __u32 mode; - } data; -} __attribute__ ((packed)); - -/* IPFRAME IPA Command: ***************************************************/ -/* TODO: define in analogy to commands define above */ - -/* ADD_ADDR_ENTRY IPA Command: ********************************************/ -/* TODO: define in analogy to commands define above */ - -/* DELETE_ADDR_ENTRY IPA Command: *****************************************/ -/* TODO: define in analogy to commands define above */ - -/* CREATE_ADDR IPA Command: ***********************************************/ -struct qeth_create_destroy_address { - __u8 unique_id[8]; -} __attribute__ ((packed)); - -/* REGISTER_LOCAL_ADDR IPA Command: ***************************************/ -/* TODO: define in analogy to commands define above */ - -/* UNREGISTER_LOCAL_ADDR IPA Command: *************************************/ -/* TODO: define in analogy to commands define above */ - -/* Header for each IPA command */ -struct qeth_ipacmd_hdr { - __u8 command; - __u8 initiator; - __u16 seqno; - __u16 return_code; - __u8 adapter_type; - __u8 rel_adapter_no; - __u8 prim_version_no; - __u8 param_count; - __u16 prot_version; - __u32 ipa_supported; - __u32 ipa_enabled; -} __attribute__ ((packed)); - -/* The IPA command itself */ -struct qeth_ipa_cmd { - struct qeth_ipacmd_hdr hdr; - union { - struct qeth_ipacmd_setdelip4 setdelip4; - struct qeth_ipacmd_setdelip6 setdelip6; - struct qeth_ipacmd_setdelipm setdelipm; - struct qeth_ipacmd_setassparms setassparms; - struct qeth_ipacmd_layer2setdelmac setdelmac; - struct qeth_ipacmd_layer2setdelvlan setdelvlan; - struct qeth_create_destroy_address create_destroy_addr; - struct qeth_ipacmd_setadpparms setadapterparms; - struct qeth_set_routing setrtg; - } data; -} __attribute__ ((packed)); - -/* - * special command for ARP processing. - * this is not included in setassparms command before, because we get - * problem with the size of struct qeth_ipacmd_setassparms otherwise - */ -enum qeth_ipa_arp_return_codes { - QETH_IPA_ARP_RC_SUCCESS = 0x0000, - QETH_IPA_ARP_RC_FAILED = 0x0001, - QETH_IPA_ARP_RC_NOTSUPP = 0x0002, - QETH_IPA_ARP_RC_OUT_OF_RANGE = 0x0003, - QETH_IPA_ARP_RC_Q_NOTSUPP = 0x0004, - QETH_IPA_ARP_RC_Q_NO_DATA = 0x0008, -}; - - -extern char * -qeth_get_ipa_msg(enum qeth_ipa_return_codes rc); -extern char * -qeth_get_ipa_cmd_name(enum qeth_ipa_cmds cmd); - -#define QETH_SETASS_BASE_LEN (sizeof(struct qeth_ipacmd_hdr) + \ - sizeof(struct qeth_ipacmd_setassparms_hdr)) -#define QETH_IPA_ARP_DATA_POS(buffer) (buffer + IPA_PDU_HEADER_SIZE + \ - QETH_SETASS_BASE_LEN) -#define QETH_SETADP_BASE_LEN (sizeof(struct qeth_ipacmd_hdr) + \ - sizeof(struct qeth_ipacmd_setadpparms_hdr)) -#define QETH_SNMP_SETADP_CMDLENGTH 16 - -#define QETH_ARP_DATA_SIZE 3968 -#define QETH_ARP_CMD_LEN (QETH_ARP_DATA_SIZE + 8) -/* Helper functions */ -#define IS_IPA_REPLY(cmd) ((cmd->hdr.initiator == IPA_CMD_INITIATOR_HOST) || \ - (cmd->hdr.initiator == IPA_CMD_INITIATOR_OSA_REPLY)) - -/*****************************************************************************/ -/* END OF IP Assist related definitions */ -/*****************************************************************************/ - - -extern unsigned char WRITE_CCW[]; -extern unsigned char READ_CCW[]; - -extern unsigned char CM_ENABLE[]; -#define CM_ENABLE_SIZE 0x63 -#define QETH_CM_ENABLE_ISSUER_RM_TOKEN(buffer) (buffer+0x2c) -#define QETH_CM_ENABLE_FILTER_TOKEN(buffer) (buffer+0x53) -#define QETH_CM_ENABLE_USER_DATA(buffer) (buffer+0x5b) - -#define QETH_CM_ENABLE_RESP_FILTER_TOKEN(buffer) \ - (PDU_ENCAPSULATION(buffer)+ 0x13) - - -extern unsigned char CM_SETUP[]; -#define CM_SETUP_SIZE 0x64 -#define QETH_CM_SETUP_DEST_ADDR(buffer) (buffer+0x2c) -#define QETH_CM_SETUP_CONNECTION_TOKEN(buffer) (buffer+0x51) -#define QETH_CM_SETUP_FILTER_TOKEN(buffer) (buffer+0x5a) - -#define QETH_CM_SETUP_RESP_DEST_ADDR(buffer) \ - (PDU_ENCAPSULATION(buffer) + 0x1a) - -extern unsigned char ULP_ENABLE[]; -#define ULP_ENABLE_SIZE 0x6b -#define QETH_ULP_ENABLE_LINKNUM(buffer) (buffer+0x61) -#define QETH_ULP_ENABLE_DEST_ADDR(buffer) (buffer+0x2c) -#define QETH_ULP_ENABLE_FILTER_TOKEN(buffer) (buffer+0x53) -#define QETH_ULP_ENABLE_PORTNAME_AND_LL(buffer) (buffer+0x62) -#define QETH_ULP_ENABLE_RESP_FILTER_TOKEN(buffer) \ - (PDU_ENCAPSULATION(buffer) + 0x13) -#define QETH_ULP_ENABLE_RESP_MAX_MTU(buffer) \ - (PDU_ENCAPSULATION(buffer)+ 0x1f) -#define QETH_ULP_ENABLE_RESP_DIFINFO_LEN(buffer) \ - (PDU_ENCAPSULATION(buffer) + 0x17) -#define QETH_ULP_ENABLE_RESP_LINK_TYPE(buffer) \ - (PDU_ENCAPSULATION(buffer)+ 0x2b) -/* Layer 2 defintions */ -#define QETH_PROT_LAYER2 0x08 -#define QETH_PROT_TCPIP 0x03 -#define QETH_PROT_OSN2 0x0a -#define QETH_ULP_ENABLE_PROT_TYPE(buffer) (buffer+0x50) -#define QETH_IPA_CMD_PROT_TYPE(buffer) (buffer+0x19) - -extern unsigned char ULP_SETUP[]; -#define ULP_SETUP_SIZE 0x6c -#define QETH_ULP_SETUP_DEST_ADDR(buffer) (buffer+0x2c) -#define QETH_ULP_SETUP_CONNECTION_TOKEN(buffer) (buffer+0x51) -#define QETH_ULP_SETUP_FILTER_TOKEN(buffer) (buffer+0x5a) -#define QETH_ULP_SETUP_CUA(buffer) (buffer+0x68) -#define QETH_ULP_SETUP_REAL_DEVADDR(buffer) (buffer+0x6a) - -#define QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(buffer) \ - (PDU_ENCAPSULATION(buffer)+0x1a) - - -extern unsigned char DM_ACT[]; -#define DM_ACT_SIZE 0x55 -#define QETH_DM_ACT_DEST_ADDR(buffer) (buffer+0x2c) -#define QETH_DM_ACT_CONNECTION_TOKEN(buffer) (buffer+0x51) - - - -#define QETH_TRANSPORT_HEADER_SEQ_NO(buffer) (buffer+4) -#define QETH_PDU_HEADER_SEQ_NO(buffer) (buffer+0x1c) -#define QETH_PDU_HEADER_ACK_SEQ_NO(buffer) (buffer+0x20) - -extern unsigned char IDX_ACTIVATE_READ[]; -extern unsigned char IDX_ACTIVATE_WRITE[]; - -#define IDX_ACTIVATE_SIZE 0x22 -#define QETH_IDX_ACT_ISSUER_RM_TOKEN(buffer) (buffer+0x0c) -#define QETH_IDX_NO_PORTNAME_REQUIRED(buffer) ((buffer)[0x0b]&0x80) -#define QETH_IDX_ACT_FUNC_LEVEL(buffer) (buffer+0x10) -#define QETH_IDX_ACT_DATASET_NAME(buffer) (buffer+0x16) -#define QETH_IDX_ACT_QDIO_DEV_CUA(buffer) (buffer+0x1e) -#define QETH_IDX_ACT_QDIO_DEV_REALADDR(buffer) (buffer+0x20) -#define QETH_IS_IDX_ACT_POS_REPLY(buffer) (((buffer)[0x08]&3)==2) -#define QETH_IDX_REPLY_LEVEL(buffer) (buffer+0x12) -#define QETH_IDX_ACT_CAUSE_CODE(buffer) (buffer)[0x09] - -#define PDU_ENCAPSULATION(buffer) \ - (buffer + *(buffer + (*(buffer+0x0b)) + \ - *(buffer + *(buffer+0x0b)+0x11) +0x07)) - -#define IS_IPA(buffer) \ - ((buffer) && \ - ( *(buffer + ((*(buffer+0x0b))+4) )==0xc1) ) - -#define ADDR_FRAME_TYPE_DIX 1 -#define ADDR_FRAME_TYPE_802_3 2 -#define ADDR_FRAME_TYPE_TR_WITHOUT_SR 0x10 -#define ADDR_FRAME_TYPE_TR_WITH_SR 0x20 - -#endif diff --git a/drivers/s390/net/qeth_proc.c b/drivers/s390/net/qeth_proc.c deleted file mode 100644 index 46ecd03a597e..000000000000 --- a/drivers/s390/net/qeth_proc.c +++ /dev/null @@ -1,316 +0,0 @@ -/* - * - * linux/drivers/s390/net/qeth_fs.c - * - * Linux on zSeries OSA Express and HiperSockets support - * This file contains code related to procfs. - * - * Copyright 2000,2003 IBM Corporation - * - * Author(s): Thomas Spatzier <tspat@de.ibm.com> - * - */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <linux/list.h> -#include <linux/rwsem.h> - -#include "qeth.h" -#include "qeth_mpc.h" -#include "qeth_fs.h" - -/***** /proc/qeth *****/ -#define QETH_PROCFILE_NAME "qeth" -static struct proc_dir_entry *qeth_procfile; - -static int -qeth_procfile_seq_match(struct device *dev, void *data) -{ - return(dev ? 1 : 0); -} - -static void * -qeth_procfile_seq_start(struct seq_file *s, loff_t *offset) -{ - struct device *dev = NULL; - loff_t nr = 0; - - if (*offset == 0) - return SEQ_START_TOKEN; - while (1) { - dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev, - NULL, qeth_procfile_seq_match); - if (++nr == *offset) - break; - put_device(dev); - } - return dev; -} - -static void -qeth_procfile_seq_stop(struct seq_file *s, void* it) -{ -} - -static void * -qeth_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset) -{ - struct device *prev, *next; - - if (it == SEQ_START_TOKEN) - prev = NULL; - else - prev = (struct device *) it; - next = driver_find_device(&qeth_ccwgroup_driver.driver, - prev, NULL, qeth_procfile_seq_match); - (*offset)++; - return (void *) next; -} - -static inline const char * -qeth_get_router_str(struct qeth_card *card, int ipv) -{ - enum qeth_routing_types routing_type = NO_ROUTER; - - if (ipv == 4) { - routing_type = card->options.route4.type; - } else { -#ifdef CONFIG_QETH_IPV6 - routing_type = card->options.route6.type; -#else - return "n/a"; -#endif /* CONFIG_QETH_IPV6 */ - } - - switch (routing_type){ - case PRIMARY_ROUTER: - return "pri"; - case SECONDARY_ROUTER: - return "sec"; - case MULTICAST_ROUTER: - if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO) - return "mc+"; - return "mc"; - case PRIMARY_CONNECTOR: - if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO) - return "p+c"; - return "p.c"; - case SECONDARY_CONNECTOR: - if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO) - return "s+c"; - return "s.c"; - default: /* NO_ROUTER */ - return "no"; - } -} - -static int -qeth_procfile_seq_show(struct seq_file *s, void *it) -{ - struct device *device; - struct qeth_card *card; - char tmp[12]; /* for qeth_get_prioq_str */ - - if (it == SEQ_START_TOKEN){ - seq_printf(s, "devices CHPID interface " - "cardtype port chksum prio-q'ing rtr4 " - "rtr6 fsz cnt\n"); - seq_printf(s, "-------------------------- ----- ---------- " - "-------------- ---- ------ ---------- ---- " - "---- ----- -----\n"); - } else { - device = (struct device *) it; - card = device->driver_data; - seq_printf(s, "%s/%s/%s x%02X %-10s %-14s %-4i ", - CARD_RDEV_ID(card), - CARD_WDEV_ID(card), - CARD_DDEV_ID(card), - card->info.chpid, - QETH_CARD_IFNAME(card), - qeth_get_cardname_short(card), - card->info.portno); - if (card->lan_online) - seq_printf(s, "%-6s %-10s %-4s %-4s %-5s %-5i\n", - qeth_get_checksum_str(card), - qeth_get_prioq_str(card, tmp), - qeth_get_router_str(card, 4), - qeth_get_router_str(card, 6), - qeth_get_bufsize_str(card), - card->qdio.in_buf_pool.buf_count); - else - seq_printf(s, " +++ LAN OFFLINE +++\n"); - put_device(device); - } - return 0; -} - -static const struct seq_operations qeth_procfile_seq_ops = { - .start = qeth_procfile_seq_start, - .stop = qeth_procfile_seq_stop, - .next = qeth_procfile_seq_next, - .show = qeth_procfile_seq_show, -}; - -static int -qeth_procfile_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &qeth_procfile_seq_ops); -} - -static const struct file_operations qeth_procfile_fops = { - .owner = THIS_MODULE, - .open = qeth_procfile_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - -/***** /proc/qeth_perf *****/ -#define QETH_PERF_PROCFILE_NAME "qeth_perf" -static struct proc_dir_entry *qeth_perf_procfile; - -static int -qeth_perf_procfile_seq_show(struct seq_file *s, void *it) -{ - struct device *device; - struct qeth_card *card; - - - if (it == SEQ_START_TOKEN) - return 0; - - device = (struct device *) it; - card = device->driver_data; - seq_printf(s, "For card with devnos %s/%s/%s (%s):\n", - CARD_RDEV_ID(card), - CARD_WDEV_ID(card), - CARD_DDEV_ID(card), - QETH_CARD_IFNAME(card) - ); - if (!card->options.performance_stats) - seq_printf(s, "Performance statistics are deactivated.\n"); - seq_printf(s, " Skb's/buffers received : %lu/%u\n" - " Skb's/buffers sent : %lu/%u\n\n", - card->stats.rx_packets - - card->perf_stats.initial_rx_packets, - card->perf_stats.bufs_rec, - card->stats.tx_packets - - card->perf_stats.initial_tx_packets, - card->perf_stats.bufs_sent - ); - seq_printf(s, " Skb's/buffers sent without packing : %lu/%u\n" - " Skb's/buffers sent with packing : %u/%u\n\n", - card->stats.tx_packets - card->perf_stats.initial_tx_packets - - card->perf_stats.skbs_sent_pack, - card->perf_stats.bufs_sent - card->perf_stats.bufs_sent_pack, - card->perf_stats.skbs_sent_pack, - card->perf_stats.bufs_sent_pack - ); - seq_printf(s, " Skbs sent in SG mode : %u\n" - " Skb fragments sent in SG mode : %u\n\n", - card->perf_stats.sg_skbs_sent, - card->perf_stats.sg_frags_sent); - seq_printf(s, " Skbs received in SG mode : %u\n" - " Skb fragments received in SG mode : %u\n" - " Page allocations for rx SG mode : %u\n\n", - card->perf_stats.sg_skbs_rx, - card->perf_stats.sg_frags_rx, - card->perf_stats.sg_alloc_page_rx); - seq_printf(s, " large_send tx (in Kbytes) : %u\n" - " large_send count : %u\n\n", - card->perf_stats.large_send_bytes >> 10, - card->perf_stats.large_send_cnt); - seq_printf(s, " Packing state changes no pkg.->packing : %u/%u\n" - " Watermarks L/H : %i/%i\n" - " Current buffer usage (outbound q's) : " - "%i/%i/%i/%i\n\n", - card->perf_stats.sc_dp_p, card->perf_stats.sc_p_dp, - QETH_LOW_WATERMARK_PACK, QETH_HIGH_WATERMARK_PACK, - atomic_read(&card->qdio.out_qs[0]->used_buffers), - (card->qdio.no_out_queues > 1)? - atomic_read(&card->qdio.out_qs[1]->used_buffers) - : 0, - (card->qdio.no_out_queues > 2)? - atomic_read(&card->qdio.out_qs[2]->used_buffers) - : 0, - (card->qdio.no_out_queues > 3)? - atomic_read(&card->qdio.out_qs[3]->used_buffers) - : 0 - ); - seq_printf(s, " Inbound handler time (in us) : %u\n" - " Inbound handler count : %u\n" - " Inbound do_QDIO time (in us) : %u\n" - " Inbound do_QDIO count : %u\n\n" - " Outbound handler time (in us) : %u\n" - " Outbound handler count : %u\n\n" - " Outbound time (in us, incl QDIO) : %u\n" - " Outbound count : %u\n" - " Outbound do_QDIO time (in us) : %u\n" - " Outbound do_QDIO count : %u\n\n", - card->perf_stats.inbound_time, - card->perf_stats.inbound_cnt, - card->perf_stats.inbound_do_qdio_time, - card->perf_stats.inbound_do_qdio_cnt, - card->perf_stats.outbound_handler_time, - card->perf_stats.outbound_handler_cnt, - card->perf_stats.outbound_time, - card->perf_stats.outbound_cnt, - card->perf_stats.outbound_do_qdio_time, - card->perf_stats.outbound_do_qdio_cnt - ); - put_device(device); - return 0; -} - -static const struct seq_operations qeth_perf_procfile_seq_ops = { - .start = qeth_procfile_seq_start, - .stop = qeth_procfile_seq_stop, - .next = qeth_procfile_seq_next, - .show = qeth_perf_procfile_seq_show, -}; - -static int -qeth_perf_procfile_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &qeth_perf_procfile_seq_ops); -} - -static const struct file_operations qeth_perf_procfile_fops = { - .owner = THIS_MODULE, - .open = qeth_perf_procfile_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - -int __init -qeth_create_procfs_entries(void) -{ - qeth_procfile = create_proc_entry(QETH_PROCFILE_NAME, - S_IFREG | 0444, NULL); - if (qeth_procfile) - qeth_procfile->proc_fops = &qeth_procfile_fops; - - qeth_perf_procfile = create_proc_entry(QETH_PERF_PROCFILE_NAME, - S_IFREG | 0444, NULL); - if (qeth_perf_procfile) - qeth_perf_procfile->proc_fops = &qeth_perf_procfile_fops; - - if (qeth_procfile && - qeth_perf_procfile) - return 0; - else - return -ENOMEM; -} - -void __exit -qeth_remove_procfs_entries(void) -{ - if (qeth_procfile) - remove_proc_entry(QETH_PROCFILE_NAME, NULL); - if (qeth_perf_procfile) - remove_proc_entry(QETH_PERF_PROCFILE_NAME, NULL); -} - diff --git a/drivers/s390/net/qeth_sys.c b/drivers/s390/net/qeth_sys.c deleted file mode 100644 index 2cc3f3a0e393..000000000000 --- a/drivers/s390/net/qeth_sys.c +++ /dev/null @@ -1,1858 +0,0 @@ -/* - * - * linux/drivers/s390/net/qeth_sys.c - * - * Linux on zSeries OSA Express and HiperSockets support - * This file contains code related to sysfs. - * - * Copyright 2000,2003 IBM Corporation - * - * Author(s): Thomas Spatzier <tspat@de.ibm.com> - * Frank Pavlic <fpavlic@de.ibm.com> - * - */ -#include <linux/list.h> -#include <linux/rwsem.h> - -#include <asm/ebcdic.h> - -#include "qeth.h" -#include "qeth_mpc.h" -#include "qeth_fs.h" - -/*****************************************************************************/ -/* */ -/* /sys-fs stuff UNDER DEVELOPMENT !!! */ -/* */ -/*****************************************************************************/ -//low/high watermark - -static ssize_t -qeth_dev_state_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - if (!card) - return -EINVAL; - - switch (card->state) { - case CARD_STATE_DOWN: - return sprintf(buf, "DOWN\n"); - case CARD_STATE_HARDSETUP: - return sprintf(buf, "HARDSETUP\n"); - case CARD_STATE_SOFTSETUP: - return sprintf(buf, "SOFTSETUP\n"); - case CARD_STATE_UP: - if (card->lan_online) - return sprintf(buf, "UP (LAN ONLINE)\n"); - else - return sprintf(buf, "UP (LAN OFFLINE)\n"); - case CARD_STATE_RECOVER: - return sprintf(buf, "RECOVER\n"); - default: - return sprintf(buf, "UNKNOWN\n"); - } -} - -static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL); - -static ssize_t -qeth_dev_chpid_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - if (!card) - return -EINVAL; - - return sprintf(buf, "%02X\n", card->info.chpid); -} - -static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL); - -static ssize_t -qeth_dev_if_name_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - if (!card) - return -EINVAL; - return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card)); -} - -static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL); - -static ssize_t -qeth_dev_card_type_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - if (!card) - return -EINVAL; - - return sprintf(buf, "%s\n", qeth_get_cardname_short(card)); -} - -static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL); - -static ssize_t -qeth_dev_portno_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - if (!card) - return -EINVAL; - - return sprintf(buf, "%i\n", card->info.portno); -} - -static ssize_t -qeth_dev_portno_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - unsigned int portno; - - if (!card) - return -EINVAL; - - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - - portno = simple_strtoul(buf, &tmp, 16); - if (portno > MAX_PORTNO){ - PRINT_WARN("portno 0x%X is out of range\n", portno); - return -EINVAL; - } - - card->info.portno = portno; - return count; -} - -static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store); - -static ssize_t -qeth_dev_portname_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - char portname[9] = {0, }; - - if (!card) - return -EINVAL; - - if (card->info.portname_required) { - memcpy(portname, card->info.portname + 1, 8); - EBCASC(portname, 8); - return sprintf(buf, "%s\n", portname); - } else - return sprintf(buf, "no portname required\n"); -} - -static ssize_t -qeth_dev_portname_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - int i; - - if (!card) - return -EINVAL; - - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - - tmp = strsep((char **) &buf, "\n"); - if ((strlen(tmp) > 8) || (strlen(tmp) == 0)) - return -EINVAL; - - card->info.portname[0] = strlen(tmp); - /* for beauty reasons */ - for (i = 1; i < 9; i++) - card->info.portname[i] = ' '; - strcpy(card->info.portname + 1, tmp); - ASCEBC(card->info.portname + 1, 8); - - return count; -} - -static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show, - qeth_dev_portname_store); - -static ssize_t -qeth_dev_checksum_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return sprintf(buf, "%s checksumming\n", qeth_get_checksum_str(card)); -} - -static ssize_t -qeth_dev_checksum_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - - if (!card) - return -EINVAL; - - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - - tmp = strsep((char **) &buf, "\n"); - if (!strcmp(tmp, "sw_checksumming")) - card->options.checksum_type = SW_CHECKSUMMING; - else if (!strcmp(tmp, "hw_checksumming")) - card->options.checksum_type = HW_CHECKSUMMING; - else if (!strcmp(tmp, "no_checksumming")) - card->options.checksum_type = NO_CHECKSUMMING; - else { - PRINT_WARN("Unknown checksumming type '%s'\n", tmp); - return -EINVAL; - } - return count; -} - -static DEVICE_ATTR(checksumming, 0644, qeth_dev_checksum_show, - qeth_dev_checksum_store); - -static ssize_t -qeth_dev_prioqing_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - switch (card->qdio.do_prio_queueing) { - case QETH_PRIO_Q_ING_PREC: - return sprintf(buf, "%s\n", "by precedence"); - case QETH_PRIO_Q_ING_TOS: - return sprintf(buf, "%s\n", "by type of service"); - default: - return sprintf(buf, "always queue %i\n", - card->qdio.default_out_queue); - } -} - -static ssize_t -qeth_dev_prioqing_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - - if (!card) - return -EINVAL; - - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - - /* check if 1920 devices are supported , - * if though we have to permit priority queueing - */ - if (card->qdio.no_out_queues == 1) { - PRINT_WARN("Priority queueing disabled due " - "to hardware limitations!\n"); - card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT; - return -EPERM; - } - - tmp = strsep((char **) &buf, "\n"); - if (!strcmp(tmp, "prio_queueing_prec")) - card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC; - else if (!strcmp(tmp, "prio_queueing_tos")) - card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS; - else if (!strcmp(tmp, "no_prio_queueing:0")) { - card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING; - card->qdio.default_out_queue = 0; - } else if (!strcmp(tmp, "no_prio_queueing:1")) { - card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING; - card->qdio.default_out_queue = 1; - } else if (!strcmp(tmp, "no_prio_queueing:2")) { - card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING; - card->qdio.default_out_queue = 2; - } else if (!strcmp(tmp, "no_prio_queueing:3")) { - card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING; - card->qdio.default_out_queue = 3; - } else if (!strcmp(tmp, "no_prio_queueing")) { - card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING; - card->qdio.default_out_queue = QETH_DEFAULT_QUEUE; - } else { - PRINT_WARN("Unknown queueing type '%s'\n", tmp); - return -EINVAL; - } - return count; -} - -static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show, - qeth_dev_prioqing_store); - -static ssize_t -qeth_dev_bufcnt_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count); -} - -static ssize_t -qeth_dev_bufcnt_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - int cnt, old_cnt; - int rc; - - if (!card) - return -EINVAL; - - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - - old_cnt = card->qdio.in_buf_pool.buf_count; - cnt = simple_strtoul(buf, &tmp, 10); - cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN : - ((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt); - if (old_cnt != cnt) { - if ((rc = qeth_realloc_buffer_pool(card, cnt))) - PRINT_WARN("Error (%d) while setting " - "buffer count.\n", rc); - } - return count; -} - -static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show, - qeth_dev_bufcnt_store); - -static ssize_t -qeth_dev_route_show(struct qeth_card *card, struct qeth_routing_info *route, - char *buf) -{ - switch (route->type) { - case PRIMARY_ROUTER: - return sprintf(buf, "%s\n", "primary router"); - case SECONDARY_ROUTER: - return sprintf(buf, "%s\n", "secondary router"); - case MULTICAST_ROUTER: - if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO) - return sprintf(buf, "%s\n", "multicast router+"); - else - return sprintf(buf, "%s\n", "multicast router"); - case PRIMARY_CONNECTOR: - if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO) - return sprintf(buf, "%s\n", "primary connector+"); - else - return sprintf(buf, "%s\n", "primary connector"); - case SECONDARY_CONNECTOR: - if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO) - return sprintf(buf, "%s\n", "secondary connector+"); - else - return sprintf(buf, "%s\n", "secondary connector"); - default: - return sprintf(buf, "%s\n", "no"); - } -} - -static ssize_t -qeth_dev_route4_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_route_show(card, &card->options.route4, buf); -} - -static ssize_t -qeth_dev_route_store(struct qeth_card *card, struct qeth_routing_info *route, - enum qeth_prot_versions prot, const char *buf, size_t count) -{ - enum qeth_routing_types old_route_type = route->type; - char *tmp; - int rc; - - tmp = strsep((char **) &buf, "\n"); - - if (!strcmp(tmp, "no_router")){ - route->type = NO_ROUTER; - } else if (!strcmp(tmp, "primary_connector")) { - route->type = PRIMARY_CONNECTOR; - } else if (!strcmp(tmp, "secondary_connector")) { - route->type = SECONDARY_CONNECTOR; - } else if (!strcmp(tmp, "primary_router")) { - route->type = PRIMARY_ROUTER; - } else if (!strcmp(tmp, "secondary_router")) { - route->type = SECONDARY_ROUTER; - } else if (!strcmp(tmp, "multicast_router")) { - route->type = MULTICAST_ROUTER; - } else { - PRINT_WARN("Invalid routing type '%s'.\n", tmp); - return -EINVAL; - } - if (((card->state == CARD_STATE_SOFTSETUP) || - (card->state == CARD_STATE_UP)) && - (old_route_type != route->type)){ - if (prot == QETH_PROT_IPV4) - rc = qeth_setrouting_v4(card); - else if (prot == QETH_PROT_IPV6) - rc = qeth_setrouting_v6(card); - } - return count; -} - -static ssize_t -qeth_dev_route4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_route_store(card, &card->options.route4, - QETH_PROT_IPV4, buf, count); -} - -static DEVICE_ATTR(route4, 0644, qeth_dev_route4_show, qeth_dev_route4_store); - -#ifdef CONFIG_QETH_IPV6 -static ssize_t -qeth_dev_route6_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - if (!qeth_is_supported(card, IPA_IPV6)) - return sprintf(buf, "%s\n", "n/a"); - - return qeth_dev_route_show(card, &card->options.route6, buf); -} - -static ssize_t -qeth_dev_route6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - if (!qeth_is_supported(card, IPA_IPV6)){ - PRINT_WARN("IPv6 not supported for interface %s.\n" - "Routing status no changed.\n", - QETH_CARD_IFNAME(card)); - return -ENOTSUPP; - } - - return qeth_dev_route_store(card, &card->options.route6, - QETH_PROT_IPV6, buf, count); -} - -static DEVICE_ATTR(route6, 0644, qeth_dev_route6_show, qeth_dev_route6_store); -#endif - -static ssize_t -qeth_dev_add_hhlen_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return sprintf(buf, "%i\n", card->options.add_hhlen); -} - -static ssize_t -qeth_dev_add_hhlen_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - int i; - - if (!card) - return -EINVAL; - - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - - i = simple_strtoul(buf, &tmp, 10); - if ((i < 0) || (i > MAX_ADD_HHLEN)) { - PRINT_WARN("add_hhlen out of range\n"); - return -EINVAL; - } - card->options.add_hhlen = i; - - return count; -} - -static DEVICE_ATTR(add_hhlen, 0644, qeth_dev_add_hhlen_show, - qeth_dev_add_hhlen_store); - -static ssize_t -qeth_dev_fake_ll_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return sprintf(buf, "%i\n", card->options.fake_ll? 1:0); -} - -static ssize_t -qeth_dev_fake_ll_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - int i; - - if (!card) - return -EINVAL; - - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - - i = simple_strtoul(buf, &tmp, 16); - if ((i != 0) && (i != 1)) { - PRINT_WARN("fake_ll: write 0 or 1 to this file!\n"); - return -EINVAL; - } - card->options.fake_ll = i; - return count; -} - -static DEVICE_ATTR(fake_ll, 0644, qeth_dev_fake_ll_show, - qeth_dev_fake_ll_store); - -static ssize_t -qeth_dev_fake_broadcast_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return sprintf(buf, "%i\n", card->options.fake_broadcast? 1:0); -} - -static ssize_t -qeth_dev_fake_broadcast_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - int i; - - if (!card) - return -EINVAL; - - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - - i = simple_strtoul(buf, &tmp, 16); - if ((i == 0) || (i == 1)) - card->options.fake_broadcast = i; - else { - PRINT_WARN("fake_broadcast: write 0 or 1 to this file!\n"); - return -EINVAL; - } - return count; -} - -static DEVICE_ATTR(fake_broadcast, 0644, qeth_dev_fake_broadcast_show, - qeth_dev_fake_broadcast_store); - -static ssize_t -qeth_dev_recover_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - int i; - - if (!card) - return -EINVAL; - - if (card->state != CARD_STATE_UP) - return -EPERM; - - i = simple_strtoul(buf, &tmp, 16); - if (i == 1) - qeth_schedule_recovery(card); - - return count; -} - -static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store); - -static ssize_t -qeth_dev_broadcast_mode_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) || - (card->info.link_type == QETH_LINK_TYPE_LANE_TR))) - return sprintf(buf, "n/a\n"); - - return sprintf(buf, "%s\n", (card->options.broadcast_mode == - QETH_TR_BROADCAST_ALLRINGS)? - "all rings":"local"); -} - -static ssize_t -qeth_dev_broadcast_mode_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - - if (!card) - return -EINVAL; - - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - - if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) || - (card->info.link_type == QETH_LINK_TYPE_LANE_TR))){ - PRINT_WARN("Device is not a tokenring device!\n"); - return -EINVAL; - } - - tmp = strsep((char **) &buf, "\n"); - - if (!strcmp(tmp, "local")){ - card->options.broadcast_mode = QETH_TR_BROADCAST_LOCAL; - return count; - } else if (!strcmp(tmp, "all_rings")) { - card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS; - return count; - } else { - PRINT_WARN("broadcast_mode: invalid mode %s!\n", - tmp); - return -EINVAL; - } - return count; -} - -static DEVICE_ATTR(broadcast_mode, 0644, qeth_dev_broadcast_mode_show, - qeth_dev_broadcast_mode_store); - -static ssize_t -qeth_dev_canonical_macaddr_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) || - (card->info.link_type == QETH_LINK_TYPE_LANE_TR))) - return sprintf(buf, "n/a\n"); - - return sprintf(buf, "%i\n", (card->options.macaddr_mode == - QETH_TR_MACADDR_CANONICAL)? 1:0); -} - -static ssize_t -qeth_dev_canonical_macaddr_store(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - int i; - - if (!card) - return -EINVAL; - - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - - if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) || - (card->info.link_type == QETH_LINK_TYPE_LANE_TR))){ - PRINT_WARN("Device is not a tokenring device!\n"); - return -EINVAL; - } - - i = simple_strtoul(buf, &tmp, 16); - if ((i == 0) || (i == 1)) - card->options.macaddr_mode = i? - QETH_TR_MACADDR_CANONICAL : - QETH_TR_MACADDR_NONCANONICAL; - else { - PRINT_WARN("canonical_macaddr: write 0 or 1 to this file!\n"); - return -EINVAL; - } - return count; -} - -static DEVICE_ATTR(canonical_macaddr, 0644, qeth_dev_canonical_macaddr_show, - qeth_dev_canonical_macaddr_store); - -static ssize_t -qeth_dev_layer2_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return sprintf(buf, "%i\n", card->options.layer2 ? 1:0); -} - -static ssize_t -qeth_dev_layer2_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - int i; - - if (!card) - return -EINVAL; - if (card->info.type == QETH_CARD_TYPE_IQD) { - PRINT_WARN("Layer2 on Hipersockets is not supported! \n"); - return -EPERM; - } - - if (((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER))) - return -EPERM; - - i = simple_strtoul(buf, &tmp, 16); - if ((i == 0) || (i == 1)) - card->options.layer2 = i; - else { - PRINT_WARN("layer2: write 0 or 1 to this file!\n"); - return -EINVAL; - } - return count; -} - -static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show, - qeth_dev_layer2_store); - -static ssize_t -qeth_dev_performance_stats_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return sprintf(buf, "%i\n", card->options.performance_stats ? 1:0); -} - -static ssize_t -qeth_dev_performance_stats_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - int i; - - if (!card) - return -EINVAL; - - i = simple_strtoul(buf, &tmp, 16); - if ((i == 0) || (i == 1)) { - if (i == card->options.performance_stats) - return count; - card->options.performance_stats = i; - if (i == 0) - memset(&card->perf_stats, 0, - sizeof(struct qeth_perf_stats)); - card->perf_stats.initial_rx_packets = card->stats.rx_packets; - card->perf_stats.initial_tx_packets = card->stats.tx_packets; - } else { - PRINT_WARN("performance_stats: write 0 or 1 to this file!\n"); - return -EINVAL; - } - return count; -} - -static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show, - qeth_dev_performance_stats_store); - -static ssize_t -qeth_dev_large_send_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - switch (card->options.large_send) { - case QETH_LARGE_SEND_NO: - return sprintf(buf, "%s\n", "no"); - case QETH_LARGE_SEND_EDDP: - return sprintf(buf, "%s\n", "EDDP"); - case QETH_LARGE_SEND_TSO: - return sprintf(buf, "%s\n", "TSO"); - default: - return sprintf(buf, "%s\n", "N/A"); - } -} - -static ssize_t -qeth_dev_large_send_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - enum qeth_large_send_types type; - int rc = 0; - char *tmp; - - if (!card) - return -EINVAL; - tmp = strsep((char **) &buf, "\n"); - if (!strcmp(tmp, "no")){ - type = QETH_LARGE_SEND_NO; - } else if (!strcmp(tmp, "EDDP")) { - type = QETH_LARGE_SEND_EDDP; - } else if (!strcmp(tmp, "TSO")) { - type = QETH_LARGE_SEND_TSO; - } else { - PRINT_WARN("large_send: invalid mode %s!\n", tmp); - return -EINVAL; - } - if (card->options.large_send == type) - return count; - if ((rc = qeth_set_large_send(card, type))) - return rc; - return count; -} - -static DEVICE_ATTR(large_send, 0644, qeth_dev_large_send_show, - qeth_dev_large_send_store); - -static ssize_t -qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value ) -{ - - if (!card) - return -EINVAL; - - return sprintf(buf, "%i\n", value); -} - -static ssize_t -qeth_dev_blkt_store(struct qeth_card *card, const char *buf, size_t count, - int *value, int max_value) -{ - char *tmp; - int i; - - if (!card) - return -EINVAL; - - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - - i = simple_strtoul(buf, &tmp, 10); - if (i <= max_value) { - *value = i; - } else { - PRINT_WARN("blkt total time: write values between" - " 0 and %d to this file!\n", max_value); - return -EINVAL; - } - return count; -} - -static ssize_t -qeth_dev_blkt_total_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total); -} - - -static ssize_t -qeth_dev_blkt_total_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - return qeth_dev_blkt_store(card, buf, count, - &card->info.blkt.time_total,1000); -} - - - -static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show, - qeth_dev_blkt_total_store); - -static ssize_t -qeth_dev_blkt_inter_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet); -} - - -static ssize_t -qeth_dev_blkt_inter_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - return qeth_dev_blkt_store(card, buf, count, - &card->info.blkt.inter_packet,100); -} - -static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show, - qeth_dev_blkt_inter_store); - -static ssize_t -qeth_dev_blkt_inter_jumbo_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - return qeth_dev_blkt_show(buf, card, - card->info.blkt.inter_packet_jumbo); -} - - -static ssize_t -qeth_dev_blkt_inter_jumbo_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - return qeth_dev_blkt_store(card, buf, count, - &card->info.blkt.inter_packet_jumbo,100); -} - -static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show, - qeth_dev_blkt_inter_jumbo_store); - -static struct device_attribute * qeth_blkt_device_attrs[] = { - &dev_attr_total, - &dev_attr_inter, - &dev_attr_inter_jumbo, - NULL, -}; - -static struct attribute_group qeth_device_blkt_group = { - .name = "blkt", - .attrs = (struct attribute **)qeth_blkt_device_attrs, -}; - -static struct device_attribute * qeth_device_attrs[] = { - &dev_attr_state, - &dev_attr_chpid, - &dev_attr_if_name, - &dev_attr_card_type, - &dev_attr_portno, - &dev_attr_portname, - &dev_attr_checksumming, - &dev_attr_priority_queueing, - &dev_attr_buffer_count, - &dev_attr_route4, -#ifdef CONFIG_QETH_IPV6 - &dev_attr_route6, -#endif - &dev_attr_add_hhlen, - &dev_attr_fake_ll, - &dev_attr_fake_broadcast, - &dev_attr_recover, - &dev_attr_broadcast_mode, - &dev_attr_canonical_macaddr, - &dev_attr_layer2, - &dev_attr_large_send, - &dev_attr_performance_stats, - NULL, -}; - -static struct attribute_group qeth_device_attr_group = { - .attrs = (struct attribute **)qeth_device_attrs, -}; - -static struct device_attribute * qeth_osn_device_attrs[] = { - &dev_attr_state, - &dev_attr_chpid, - &dev_attr_if_name, - &dev_attr_card_type, - &dev_attr_buffer_count, - &dev_attr_recover, - NULL, -}; - -static struct attribute_group qeth_osn_device_attr_group = { - .attrs = (struct attribute **)qeth_osn_device_attrs, -}; - -#define QETH_DEVICE_ATTR(_id,_name,_mode,_show,_store) \ -struct device_attribute dev_attr_##_id = { \ - .attr = {.name=__stringify(_name), .mode=_mode, },\ - .show = _show, \ - .store = _store, \ -}; - -static int -qeth_check_layer2(struct qeth_card *card) -{ - if (card->options.layer2) - return -EPERM; - return 0; -} - - -static ssize_t -qeth_dev_ipato_enable_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - if (qeth_check_layer2(card)) - return -EPERM; - return sprintf(buf, "%i\n", card->ipato.enabled? 1:0); -} - -static ssize_t -qeth_dev_ipato_enable_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - - if (!card) - return -EINVAL; - - if ((card->state != CARD_STATE_DOWN) && - (card->state != CARD_STATE_RECOVER)) - return -EPERM; - - if (qeth_check_layer2(card)) - return -EPERM; - - tmp = strsep((char **) &buf, "\n"); - if (!strcmp(tmp, "toggle")){ - card->ipato.enabled = (card->ipato.enabled)? 0 : 1; - } else if (!strcmp(tmp, "1")){ - card->ipato.enabled = 1; - } else if (!strcmp(tmp, "0")){ - card->ipato.enabled = 0; - } else { - PRINT_WARN("ipato_enable: write 0, 1 or 'toggle' to " - "this file\n"); - return -EINVAL; - } - return count; -} - -static QETH_DEVICE_ATTR(ipato_enable, enable, 0644, - qeth_dev_ipato_enable_show, - qeth_dev_ipato_enable_store); - -static ssize_t -qeth_dev_ipato_invert4_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - if (qeth_check_layer2(card)) - return -EPERM; - - return sprintf(buf, "%i\n", card->ipato.invert4? 1:0); -} - -static ssize_t -qeth_dev_ipato_invert4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - - if (!card) - return -EINVAL; - - if (qeth_check_layer2(card)) - return -EPERM; - - tmp = strsep((char **) &buf, "\n"); - if (!strcmp(tmp, "toggle")){ - card->ipato.invert4 = (card->ipato.invert4)? 0 : 1; - } else if (!strcmp(tmp, "1")){ - card->ipato.invert4 = 1; - } else if (!strcmp(tmp, "0")){ - card->ipato.invert4 = 0; - } else { - PRINT_WARN("ipato_invert4: write 0, 1 or 'toggle' to " - "this file\n"); - return -EINVAL; - } - return count; -} - -static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644, - qeth_dev_ipato_invert4_show, - qeth_dev_ipato_invert4_store); - -static ssize_t -qeth_dev_ipato_add_show(char *buf, struct qeth_card *card, - enum qeth_prot_versions proto) -{ - struct qeth_ipato_entry *ipatoe; - unsigned long flags; - char addr_str[40]; - int entry_len; /* length of 1 entry string, differs between v4 and v6 */ - int i = 0; - - if (qeth_check_layer2(card)) - return -EPERM; - - entry_len = (proto == QETH_PROT_IPV4)? 12 : 40; - /* add strlen for "/<mask>\n" */ - entry_len += (proto == QETH_PROT_IPV4)? 5 : 6; - spin_lock_irqsave(&card->ip_lock, flags); - list_for_each_entry(ipatoe, &card->ipato.entries, entry){ - if (ipatoe->proto != proto) - continue; - /* String must not be longer than PAGE_SIZE. So we check if - * string length gets near PAGE_SIZE. Then we can savely display - * the next IPv6 address (worst case, compared to IPv4) */ - if ((PAGE_SIZE - i) <= entry_len) - break; - qeth_ipaddr_to_string(proto, ipatoe->addr, addr_str); - i += snprintf(buf + i, PAGE_SIZE - i, - "%s/%i\n", addr_str, ipatoe->mask_bits); - } - spin_unlock_irqrestore(&card->ip_lock, flags); - i += snprintf(buf + i, PAGE_SIZE - i, "\n"); - - return i; -} - -static ssize_t -qeth_dev_ipato_add4_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_ipato_add_show(buf, card, QETH_PROT_IPV4); -} - -static int -qeth_parse_ipatoe(const char* buf, enum qeth_prot_versions proto, - u8 *addr, int *mask_bits) -{ - const char *start, *end; - char *tmp; - char buffer[40] = {0, }; - - start = buf; - /* get address string */ - end = strchr(start, '/'); - if (!end || (end - start >= 40)){ - PRINT_WARN("Invalid format for ipato_addx/delx. " - "Use <ip addr>/<mask bits>\n"); - return -EINVAL; - } - strncpy(buffer, start, end - start); - if (qeth_string_to_ipaddr(buffer, proto, addr)){ - PRINT_WARN("Invalid IP address format!\n"); - return -EINVAL; - } - start = end + 1; - *mask_bits = simple_strtoul(start, &tmp, 10); - if (!strlen(start) || - (tmp == start) || - (*mask_bits > ((proto == QETH_PROT_IPV4) ? 32 : 128))) { - PRINT_WARN("Invalid mask bits for ipato_addx/delx !\n"); - return -EINVAL; - } - return 0; -} - -static ssize_t -qeth_dev_ipato_add_store(const char *buf, size_t count, - struct qeth_card *card, enum qeth_prot_versions proto) -{ - struct qeth_ipato_entry *ipatoe; - u8 addr[16]; - int mask_bits; - int rc; - - if (qeth_check_layer2(card)) - return -EPERM; - if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits))) - return rc; - - if (!(ipatoe = kzalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL))){ - PRINT_WARN("No memory to allocate ipato entry\n"); - return -ENOMEM; - } - ipatoe->proto = proto; - memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16); - ipatoe->mask_bits = mask_bits; - - if ((rc = qeth_add_ipato_entry(card, ipatoe))){ - kfree(ipatoe); - return rc; - } - - return count; -} - -static ssize_t -qeth_dev_ipato_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV4); -} - -static QETH_DEVICE_ATTR(ipato_add4, add4, 0644, - qeth_dev_ipato_add4_show, - qeth_dev_ipato_add4_store); - -static ssize_t -qeth_dev_ipato_del_store(const char *buf, size_t count, - struct qeth_card *card, enum qeth_prot_versions proto) -{ - u8 addr[16]; - int mask_bits; - int rc; - - if (qeth_check_layer2(card)) - return -EPERM; - if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits))) - return rc; - - qeth_del_ipato_entry(card, proto, addr, mask_bits); - - return count; -} - -static ssize_t -qeth_dev_ipato_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV4); -} - -static QETH_DEVICE_ATTR(ipato_del4, del4, 0200, NULL, - qeth_dev_ipato_del4_store); - -#ifdef CONFIG_QETH_IPV6 -static ssize_t -qeth_dev_ipato_invert6_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - if (qeth_check_layer2(card)) - return -EPERM; - - return sprintf(buf, "%i\n", card->ipato.invert6? 1:0); -} - -static ssize_t -qeth_dev_ipato_invert6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - char *tmp; - - if (!card) - return -EINVAL; - - if (qeth_check_layer2(card)) - return -EPERM; - - tmp = strsep((char **) &buf, "\n"); - if (!strcmp(tmp, "toggle")){ - card->ipato.invert6 = (card->ipato.invert6)? 0 : 1; - } else if (!strcmp(tmp, "1")){ - card->ipato.invert6 = 1; - } else if (!strcmp(tmp, "0")){ - card->ipato.invert6 = 0; - } else { - PRINT_WARN("ipato_invert6: write 0, 1 or 'toggle' to " - "this file\n"); - return -EINVAL; - } - return count; -} - -static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644, - qeth_dev_ipato_invert6_show, - qeth_dev_ipato_invert6_store); - - -static ssize_t -qeth_dev_ipato_add6_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_ipato_add_show(buf, card, QETH_PROT_IPV6); -} - -static ssize_t -qeth_dev_ipato_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV6); -} - -static QETH_DEVICE_ATTR(ipato_add6, add6, 0644, - qeth_dev_ipato_add6_show, - qeth_dev_ipato_add6_store); - -static ssize_t -qeth_dev_ipato_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV6); -} - -static QETH_DEVICE_ATTR(ipato_del6, del6, 0200, NULL, - qeth_dev_ipato_del6_store); -#endif /* CONFIG_QETH_IPV6 */ - -static struct device_attribute * qeth_ipato_device_attrs[] = { - &dev_attr_ipato_enable, - &dev_attr_ipato_invert4, - &dev_attr_ipato_add4, - &dev_attr_ipato_del4, -#ifdef CONFIG_QETH_IPV6 - &dev_attr_ipato_invert6, - &dev_attr_ipato_add6, - &dev_attr_ipato_del6, -#endif - NULL, -}; - -static struct attribute_group qeth_device_ipato_group = { - .name = "ipa_takeover", - .attrs = (struct attribute **)qeth_ipato_device_attrs, -}; - -static ssize_t -qeth_dev_vipa_add_show(char *buf, struct qeth_card *card, - enum qeth_prot_versions proto) -{ - struct qeth_ipaddr *ipaddr; - char addr_str[40]; - int entry_len; /* length of 1 entry string, differs between v4 and v6 */ - unsigned long flags; - int i = 0; - - if (qeth_check_layer2(card)) - return -EPERM; - - entry_len = (proto == QETH_PROT_IPV4)? 12 : 40; - entry_len += 2; /* \n + terminator */ - spin_lock_irqsave(&card->ip_lock, flags); - list_for_each_entry(ipaddr, &card->ip_list, entry){ - if (ipaddr->proto != proto) - continue; - if (ipaddr->type != QETH_IP_TYPE_VIPA) - continue; - /* String must not be longer than PAGE_SIZE. So we check if - * string length gets near PAGE_SIZE. Then we can savely display - * the next IPv6 address (worst case, compared to IPv4) */ - if ((PAGE_SIZE - i) <= entry_len) - break; - qeth_ipaddr_to_string(proto, (const u8 *)&ipaddr->u, addr_str); - i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str); - } - spin_unlock_irqrestore(&card->ip_lock, flags); - i += snprintf(buf + i, PAGE_SIZE - i, "\n"); - - return i; -} - -static ssize_t -qeth_dev_vipa_add4_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_vipa_add_show(buf, card, QETH_PROT_IPV4); -} - -static int -qeth_parse_vipae(const char* buf, enum qeth_prot_versions proto, - u8 *addr) -{ - if (qeth_string_to_ipaddr(buf, proto, addr)){ - PRINT_WARN("Invalid IP address format!\n"); - return -EINVAL; - } - return 0; -} - -static ssize_t -qeth_dev_vipa_add_store(const char *buf, size_t count, - struct qeth_card *card, enum qeth_prot_versions proto) -{ - u8 addr[16] = {0, }; - int rc; - - if (qeth_check_layer2(card)) - return -EPERM; - if ((rc = qeth_parse_vipae(buf, proto, addr))) - return rc; - - if ((rc = qeth_add_vipa(card, proto, addr))) - return rc; - - return count; -} - -static ssize_t -qeth_dev_vipa_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV4); -} - -static QETH_DEVICE_ATTR(vipa_add4, add4, 0644, - qeth_dev_vipa_add4_show, - qeth_dev_vipa_add4_store); - -static ssize_t -qeth_dev_vipa_del_store(const char *buf, size_t count, - struct qeth_card *card, enum qeth_prot_versions proto) -{ - u8 addr[16]; - int rc; - - if (qeth_check_layer2(card)) - return -EPERM; - if ((rc = qeth_parse_vipae(buf, proto, addr))) - return rc; - - qeth_del_vipa(card, proto, addr); - - return count; -} - -static ssize_t -qeth_dev_vipa_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV4); -} - -static QETH_DEVICE_ATTR(vipa_del4, del4, 0200, NULL, - qeth_dev_vipa_del4_store); - -#ifdef CONFIG_QETH_IPV6 -static ssize_t -qeth_dev_vipa_add6_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_vipa_add_show(buf, card, QETH_PROT_IPV6); -} - -static ssize_t -qeth_dev_vipa_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV6); -} - -static QETH_DEVICE_ATTR(vipa_add6, add6, 0644, - qeth_dev_vipa_add6_show, - qeth_dev_vipa_add6_store); - -static ssize_t -qeth_dev_vipa_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - if (qeth_check_layer2(card)) - return -EPERM; - - return qeth_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV6); -} - -static QETH_DEVICE_ATTR(vipa_del6, del6, 0200, NULL, - qeth_dev_vipa_del6_store); -#endif /* CONFIG_QETH_IPV6 */ - -static struct device_attribute * qeth_vipa_device_attrs[] = { - &dev_attr_vipa_add4, - &dev_attr_vipa_del4, -#ifdef CONFIG_QETH_IPV6 - &dev_attr_vipa_add6, - &dev_attr_vipa_del6, -#endif - NULL, -}; - -static struct attribute_group qeth_device_vipa_group = { - .name = "vipa", - .attrs = (struct attribute **)qeth_vipa_device_attrs, -}; - -static ssize_t -qeth_dev_rxip_add_show(char *buf, struct qeth_card *card, - enum qeth_prot_versions proto) -{ - struct qeth_ipaddr *ipaddr; - char addr_str[40]; - int entry_len; /* length of 1 entry string, differs between v4 and v6 */ - unsigned long flags; - int i = 0; - - if (qeth_check_layer2(card)) - return -EPERM; - - entry_len = (proto == QETH_PROT_IPV4)? 12 : 40; - entry_len += 2; /* \n + terminator */ - spin_lock_irqsave(&card->ip_lock, flags); - list_for_each_entry(ipaddr, &card->ip_list, entry){ - if (ipaddr->proto != proto) - continue; - if (ipaddr->type != QETH_IP_TYPE_RXIP) - continue; - /* String must not be longer than PAGE_SIZE. So we check if - * string length gets near PAGE_SIZE. Then we can savely display - * the next IPv6 address (worst case, compared to IPv4) */ - if ((PAGE_SIZE - i) <= entry_len) - break; - qeth_ipaddr_to_string(proto, (const u8 *)&ipaddr->u, addr_str); - i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str); - } - spin_unlock_irqrestore(&card->ip_lock, flags); - i += snprintf(buf + i, PAGE_SIZE - i, "\n"); - - return i; -} - -static ssize_t -qeth_dev_rxip_add4_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_rxip_add_show(buf, card, QETH_PROT_IPV4); -} - -static int -qeth_parse_rxipe(const char* buf, enum qeth_prot_versions proto, - u8 *addr) -{ - if (qeth_string_to_ipaddr(buf, proto, addr)){ - PRINT_WARN("Invalid IP address format!\n"); - return -EINVAL; - } - return 0; -} - -static ssize_t -qeth_dev_rxip_add_store(const char *buf, size_t count, - struct qeth_card *card, enum qeth_prot_versions proto) -{ - u8 addr[16] = {0, }; - int rc; - - if (qeth_check_layer2(card)) - return -EPERM; - if ((rc = qeth_parse_rxipe(buf, proto, addr))) - return rc; - - if ((rc = qeth_add_rxip(card, proto, addr))) - return rc; - - return count; -} - -static ssize_t -qeth_dev_rxip_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV4); -} - -static QETH_DEVICE_ATTR(rxip_add4, add4, 0644, - qeth_dev_rxip_add4_show, - qeth_dev_rxip_add4_store); - -static ssize_t -qeth_dev_rxip_del_store(const char *buf, size_t count, - struct qeth_card *card, enum qeth_prot_versions proto) -{ - u8 addr[16]; - int rc; - - if (qeth_check_layer2(card)) - return -EPERM; - if ((rc = qeth_parse_rxipe(buf, proto, addr))) - return rc; - - qeth_del_rxip(card, proto, addr); - - return count; -} - -static ssize_t -qeth_dev_rxip_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV4); -} - -static QETH_DEVICE_ATTR(rxip_del4, del4, 0200, NULL, - qeth_dev_rxip_del4_store); - -#ifdef CONFIG_QETH_IPV6 -static ssize_t -qeth_dev_rxip_add6_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_rxip_add_show(buf, card, QETH_PROT_IPV6); -} - -static ssize_t -qeth_dev_rxip_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV6); -} - -static QETH_DEVICE_ATTR(rxip_add6, add6, 0644, - qeth_dev_rxip_add6_show, - qeth_dev_rxip_add6_store); - -static ssize_t -qeth_dev_rxip_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct qeth_card *card = dev->driver_data; - - if (!card) - return -EINVAL; - - return qeth_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV6); -} - -static QETH_DEVICE_ATTR(rxip_del6, del6, 0200, NULL, - qeth_dev_rxip_del6_store); -#endif /* CONFIG_QETH_IPV6 */ - -static struct device_attribute * qeth_rxip_device_attrs[] = { - &dev_attr_rxip_add4, - &dev_attr_rxip_del4, -#ifdef CONFIG_QETH_IPV6 - &dev_attr_rxip_add6, - &dev_attr_rxip_del6, -#endif - NULL, -}; - -static struct attribute_group qeth_device_rxip_group = { - .name = "rxip", - .attrs = (struct attribute **)qeth_rxip_device_attrs, -}; - -int -qeth_create_device_attributes(struct device *dev) -{ - int ret; - struct qeth_card *card = dev->driver_data; - - if (card->info.type == QETH_CARD_TYPE_OSN) - return sysfs_create_group(&dev->kobj, - &qeth_osn_device_attr_group); - - if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_attr_group))) - return ret; - if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_ipato_group))){ - sysfs_remove_group(&dev->kobj, &qeth_device_attr_group); - return ret; - } - if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_vipa_group))){ - sysfs_remove_group(&dev->kobj, &qeth_device_attr_group); - sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group); - return ret; - } - if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_rxip_group))){ - sysfs_remove_group(&dev->kobj, &qeth_device_attr_group); - sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group); - sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group); - return ret; - } - if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_blkt_group))){ - sysfs_remove_group(&dev->kobj, &qeth_device_attr_group); - sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group); - sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group); - sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group); - return ret; - } - return 0; -} - -void -qeth_remove_device_attributes(struct device *dev) -{ - struct qeth_card *card = dev->driver_data; - - if (card->info.type == QETH_CARD_TYPE_OSN) { - sysfs_remove_group(&dev->kobj, &qeth_osn_device_attr_group); - return; - } - sysfs_remove_group(&dev->kobj, &qeth_device_attr_group); - sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group); - sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group); - sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group); - sysfs_remove_group(&dev->kobj, &qeth_device_blkt_group); -} - -/**********************/ -/* DRIVER ATTRIBUTES */ -/**********************/ -static ssize_t -qeth_driver_group_store(struct device_driver *ddrv, const char *buf, - size_t count) -{ - const char *start, *end; - char bus_ids[3][BUS_ID_SIZE], *argv[3]; - int i; - int err; - - start = buf; - for (i = 0; i < 3; i++) { - static const char delim[] = { ',', ',', '\n' }; - int len; - - if (!(end = strchr(start, delim[i]))) - return -EINVAL; - len = min_t(ptrdiff_t, BUS_ID_SIZE, end - start); - strncpy(bus_ids[i], start, len); - bus_ids[i][len] = '\0'; - start = end + 1; - argv[i] = bus_ids[i]; - } - err = ccwgroup_create(qeth_root_dev, qeth_ccwgroup_driver.driver_id, - &qeth_ccw_driver, 3, argv); - if (err) - return err; - else - return count; -} - - -static DRIVER_ATTR(group, 0200, NULL, qeth_driver_group_store); - -static ssize_t -qeth_driver_notifier_register_store(struct device_driver *ddrv, const char *buf, - size_t count) -{ - int rc; - int signum; - char *tmp, *tmp2; - - tmp = strsep((char **) &buf, "\n"); - if (!strncmp(tmp, "unregister", 10)){ - if ((rc = qeth_notifier_unregister(current))) - return rc; - return count; - } - - signum = simple_strtoul(tmp, &tmp2, 10); - if ((signum < 0) || (signum > 32)){ - PRINT_WARN("Signal number %d is out of range\n", signum); - return -EINVAL; - } - if ((rc = qeth_notifier_register(current, signum))) - return rc; - - return count; -} - -static DRIVER_ATTR(notifier_register, 0200, NULL, - qeth_driver_notifier_register_store); - -int -qeth_create_driver_attributes(void) -{ - int rc; - - if ((rc = driver_create_file(&qeth_ccwgroup_driver.driver, - &driver_attr_group))) - return rc; - return driver_create_file(&qeth_ccwgroup_driver.driver, - &driver_attr_notifier_register); -} - -void -qeth_remove_driver_attributes(void) -{ - driver_remove_file(&qeth_ccwgroup_driver.driver, - &driver_attr_group); - driver_remove_file(&qeth_ccwgroup_driver.driver, - &driver_attr_notifier_register); -} diff --git a/drivers/s390/net/qeth_tso.h b/drivers/s390/net/qeth_tso.h deleted file mode 100644 index c20e923cf9ad..000000000000 --- a/drivers/s390/net/qeth_tso.h +++ /dev/null @@ -1,148 +0,0 @@ -/* - * linux/drivers/s390/net/qeth_tso.h - * - * Header file for qeth TCP Segmentation Offload support. - * - * Copyright 2004 IBM Corporation - * - * Author(s): Frank Pavlic <fpavlic@de.ibm.com> - * - */ -#ifndef __QETH_TSO_H__ -#define __QETH_TSO_H__ - -#include <linux/skbuff.h> -#include <linux/tcp.h> -#include <linux/ip.h> -#include <linux/ipv6.h> -#include <net/ip6_checksum.h> -#include "qeth.h" -#include "qeth_mpc.h" - - -static inline struct qeth_hdr_tso * -qeth_tso_prepare_skb(struct qeth_card *card, struct sk_buff **skb) -{ - QETH_DBF_TEXT(trace, 5, "tsoprsk"); - return qeth_push_skb(card, *skb, sizeof(struct qeth_hdr_tso)); -} - -/** - * fill header for a TSO packet - */ -static inline void -qeth_tso_fill_header(struct qeth_card *card, struct sk_buff *skb) -{ - struct qeth_hdr_tso *hdr; - struct tcphdr *tcph; - struct iphdr *iph; - - QETH_DBF_TEXT(trace, 5, "tsofhdr"); - - hdr = (struct qeth_hdr_tso *) skb->data; - iph = ip_hdr(skb); - tcph = tcp_hdr(skb); - /*fix header to TSO values ...*/ - hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO; - /*set values which are fix for the first approach ...*/ - hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso); - hdr->ext.imb_hdr_no = 1; - hdr->ext.hdr_type = 1; - hdr->ext.hdr_version = 1; - hdr->ext.hdr_len = 28; - /*insert non-fix values */ - hdr->ext.mss = skb_shinfo(skb)->gso_size; - hdr->ext.dg_hdr_len = (__u16)(iph->ihl*4 + tcph->doff*4); - hdr->ext.payload_len = (__u16)(skb->len - hdr->ext.dg_hdr_len - - sizeof(struct qeth_hdr_tso)); -} - -/** - * change some header values as requested by hardware - */ -static inline void -qeth_tso_set_tcpip_header(struct qeth_card *card, struct sk_buff *skb) -{ - struct iphdr *iph = ip_hdr(skb); - struct ipv6hdr *ip6h = ipv6_hdr(skb); - struct tcphdr *tcph = tcp_hdr(skb); - - tcph->check = 0; - if (skb->protocol == ETH_P_IPV6) { - ip6h->payload_len = 0; - tcph->check = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, - 0, IPPROTO_TCP, 0); - return; - } - /*OSA want us to set these values ...*/ - tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, - 0, IPPROTO_TCP, 0); - iph->tot_len = 0; - iph->check = 0; -} - -static inline int -qeth_tso_prepare_packet(struct qeth_card *card, struct sk_buff *skb, - int ipv, int cast_type) -{ - struct qeth_hdr_tso *hdr; - - QETH_DBF_TEXT(trace, 5, "tsoprep"); - - hdr = (struct qeth_hdr_tso *) qeth_tso_prepare_skb(card, &skb); - if (hdr == NULL) { - QETH_DBF_TEXT(trace, 4, "tsoperr"); - return -ENOMEM; - } - memset(hdr, 0, sizeof(struct qeth_hdr_tso)); - /*fill first 32 bytes of qdio header as used - *FIXME: TSO has two struct members - * with different names but same size - * */ - qeth_fill_header(card, &hdr->hdr, skb, ipv, cast_type); - qeth_tso_fill_header(card, skb); - qeth_tso_set_tcpip_header(card, skb); - return 0; -} - -static inline void -__qeth_fill_buffer_frag(struct sk_buff *skb, struct qdio_buffer *buffer, - int is_tso, int *next_element_to_fill) -{ - struct skb_frag_struct *frag; - int fragno; - unsigned long addr; - int element, cnt, dlen; - - fragno = skb_shinfo(skb)->nr_frags; - element = *next_element_to_fill; - dlen = 0; - - if (is_tso) - buffer->element[element].flags = - SBAL_FLAGS_MIDDLE_FRAG; - else - buffer->element[element].flags = - SBAL_FLAGS_FIRST_FRAG; - if ( (dlen = (skb->len - skb->data_len)) ) { - buffer->element[element].addr = skb->data; - buffer->element[element].length = dlen; - element++; - } - for (cnt = 0; cnt < fragno; cnt++) { - frag = &skb_shinfo(skb)->frags[cnt]; - addr = (page_to_pfn(frag->page) << PAGE_SHIFT) + - frag->page_offset; - buffer->element[element].addr = (char *)addr; - buffer->element[element].length = frag->size; - if (cnt < (fragno - 1)) - buffer->element[element].flags = - SBAL_FLAGS_MIDDLE_FRAG; - else - buffer->element[element].flags = - SBAL_FLAGS_LAST_FRAG; - element++; - } - *next_element_to_fill = element; -} -#endif /* __QETH_TSO_H__ */ |