/******************************************************************************* * * Intel Ethernet Controller XL710 Family Linux Driver * Copyright(c) 2013 - 2017 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope 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, see . * * The full GNU General Public License is included in this distribution in * the file called "COPYING". * * Contact Information: * e1000-devel Mailing List * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * ******************************************************************************/ #ifndef _I40E_H_ #define _I40E_H_ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "i40e_type.h" #include "i40e_prototype.h" #include "i40e_client.h" #include #include "i40e_virtchnl_pf.h" #include "i40e_txrx.h" #include "i40e_dcb.h" /* Useful i40e defaults */ #define I40E_MAX_VEB 16 #define I40E_MAX_NUM_DESCRIPTORS 4096 #define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024) #define I40E_DEFAULT_NUM_DESCRIPTORS 512 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32 #define I40E_MIN_NUM_DESCRIPTORS 64 #define I40E_MIN_MSIX 2 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */ #define I40E_MIN_VSI_ALLOC 83 /* LAN, ATR, FCOE, 64 VF */ /* max 16 qps */ #define i40e_default_queues_per_vmdq(pf) \ (((pf)->hw_features & I40E_HW_RSS_AQ_CAPABLE) ? 4 : 1) #define I40E_DEFAULT_QUEUES_PER_VF 4 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */ #define i40e_pf_get_max_q_per_tc(pf) \ (((pf)->hw_features & I40E_HW_128_QP_RSS_CAPABLE) ? 128 : 64) #define I40E_FDIR_RING 0 #define I40E_FDIR_RING_COUNT 32 #define I40E_MAX_AQ_BUF_SIZE 4096 #define I40E_AQ_LEN 256 #define I40E_AQ_WORK_LIMIT 66 /* max number of VFs + a little */ #define I40E_MAX_USER_PRIORITY 8 #define I40E_DEFAULT_TRAFFIC_CLASS BIT(0) #define I40E_DEFAULT_MSG_ENABLE 4 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10 #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 16) #define I40E_NVM_VERSION_LO_SHIFT 0 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT) #define I40E_NVM_VERSION_HI_SHIFT 12 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT) #define I40E_OEM_VER_BUILD_MASK 0xffff #define I40E_OEM_VER_PATCH_MASK 0xff #define I40E_OEM_VER_BUILD_SHIFT 8 #define I40E_OEM_VER_SHIFT 24 #define I40E_PHY_DEBUG_ALL \ (I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \ I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW) #define I40E_OEM_EETRACK_ID 0xffffffff #define I40E_OEM_GEN_SHIFT 24 #define I40E_OEM_SNAP_MASK 0x00ff0000 #define I40E_OEM_SNAP_SHIFT 16 #define I40E_OEM_RELEASE_MASK 0x0000ffff /* The values in here are decimal coded as hex as is the case in the NVM map*/ #define I40E_CURRENT_NVM_VERSION_HI 0x2 #define I40E_CURRENT_NVM_VERSION_LO 0x40 #define I40E_RX_DESC(R, i) \ (&(((union i40e_32byte_rx_desc *)((R)->desc))[i])) #define I40E_TX_DESC(R, i) \ (&(((struct i40e_tx_desc *)((R)->desc))[i])) #define I40E_TX_CTXTDESC(R, i) \ (&(((struct i40e_tx_context_desc *)((R)->desc))[i])) #define I40E_TX_FDIRDESC(R, i) \ (&(((struct i40e_filter_program_desc *)((R)->desc))[i])) /* default to trying for four seconds */ #define I40E_TRY_LINK_TIMEOUT (4 * HZ) /* driver state flags */ enum i40e_state_t { __I40E_TESTING, __I40E_CONFIG_BUSY, __I40E_CONFIG_DONE, __I40E_DOWN, __I40E_SERVICE_SCHED, __I40E_ADMINQ_EVENT_PENDING, __I40E_MDD_EVENT_PENDING, __I40E_VFLR_EVENT_PENDING, __I40E_RESET_RECOVERY_PENDING, __I40E_RESET_INTR_RECEIVED, __I40E_REINIT_REQUESTED, __I40E_PF_RESET_REQUESTED, __I40E_CORE_RESET_REQUESTED, __I40E_GLOBAL_RESET_REQUESTED, __I40E_EMP_RESET_REQUESTED, __I40E_EMP_RESET_INTR_RECEIVED, __I40E_SUSPENDED, __I40E_PTP_TX_IN_PROGRESS, __I40E_BAD_EEPROM, __I40E_DOWN_REQUESTED, __I40E_FD_FLUSH_REQUESTED, __I40E_RESET_FAILED, __I40E_PORT_SUSPENDED, __I40E_VF_DISABLE, /* This must be last as it determines the size of the BITMAP */ __I40E_STATE_SIZE__, }; /* VSI state flags */ enum i40e_vsi_state_t { __I40E_VSI_DOWN, __I40E_VSI_NEEDS_RESTART, __I40E_VSI_SYNCING_FILTERS, __I40E_VSI_OVERFLOW_PROMISC, __I40E_VSI_REINIT_REQUESTED, __I40E_VSI_DOWN_REQUESTED, /* This must be last as it determines the size of the BITMAP */ __I40E_VSI_STATE_SIZE__, }; enum i40e_interrupt_policy { I40E_INTERRUPT_BEST_CASE, I40E_INTERRUPT_MEDIUM, I40E_INTERRUPT_LOWEST }; struct i40e_lump_tracking { u16 num_entries; u16 search_hint; u16 list[0]; #define I40E_PILE_VALID_BIT 0x8000 #define I40E_IWARP_IRQ_PILE_ID (I40E_PILE_VALID_BIT - 2) }; #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 #define I40E_FDIR_BUFFER_FULL_MARGIN 10 #define I40E_FDIR_BUFFER_HEAD_ROOM 32 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4) #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4) #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4) #define I40E_VF_HLUT_ARRAY_SIZE ((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4) enum i40e_fd_stat_idx { I40E_FD_STAT_ATR, I40E_FD_STAT_SB, I40E_FD_STAT_ATR_TUNNEL, I40E_FD_STAT_PF_COUNT }; #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) #define I40E_FD_ATR_STAT_IDX(pf_id) \ (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) #define I40E_FD_SB_STAT_IDX(pf_id) \ (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \ (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL) /* The following structure contains the data parsed from the user-defined * field of the ethtool_rx_flow_spec structure. */ struct i40e_rx_flow_userdef { bool flex_filter; u16 flex_word; u16 flex_offset; }; struct i40e_fdir_filter { struct hlist_node fdir_node; /* filter ipnut set */ u8 flow_type; u8 ip4_proto; /* TX packet view of src and dst */ __be32 dst_ip; __be32 src_ip; __be16 src_port; __be16 dst_port; __be32 sctp_v_tag; /* Flexible data to match within the packet payload */ __be16 flex_word; u16 flex_offset; bool flex_filter; /* filter control */ u16 q_index; u8 flex_off; u8 pctype; u16 dest_vsi; u8 dest_ctl; u8 fd_status; u16 cnt_index; u32 fd_id; }; #define I40E_ETH_P_LLDP 0x88cc #define I40E_DCB_PRIO_TYPE_STRICT 0 #define I40E_DCB_PRIO_TYPE_ETS 1 #define I40E_DCB_STRICT_PRIO_CREDITS 127 /* DCB per TC information data structure */ struct i40e_tc_info { u16 qoffset; /* Queue offset from base queue */ u16 qcount; /* Total Queues */ u8 netdev_tc; /* Netdev TC index if netdev associated */ }; /* TC configuration data structure */ struct i40e_tc_configuration { u8 numtc; /* Total number of enabled TCs */ u8 enabled_tc; /* TC map */ struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS]; }; struct i40e_udp_port_config { /* AdminQ command interface expects port number in Host byte order */ u16 port; u8 type; }; /* macros related to FLX_PIT */ #define I40E_FLEX_SET_FSIZE(fsize) (((fsize) << \ I40E_PRTQF_FLX_PIT_FSIZE_SHIFT) & \ I40E_PRTQF_FLX_PIT_FSIZE_MASK) #define I40E_FLEX_SET_DST_WORD(dst) (((dst) << \ I40E_PRTQF_FLX_PIT_DEST_OFF_SHIFT) & \ I40E_PRTQF_FLX_PIT_DEST_OFF_MASK) #define I40E_FLEX_SET_SRC_WORD(src) (((src) << \ I40E_PRTQF_FLX_PIT_SOURCE_OFF_SHIFT) & \ I40E_PRTQF_FLX_PIT_SOURCE_OFF_MASK) #define I40E_FLEX_PREP_VAL(dst, fsize, src) (I40E_FLEX_SET_DST_WORD(dst) | \ I40E_FLEX_SET_FSIZE(fsize) | \ I40E_FLEX_SET_SRC_WORD(src)) #define I40E_FLEX_PIT_GET_SRC(flex) (((flex) & \ I40E_PRTQF_FLX_PIT_SOURCE_OFF_MASK) >> \ I40E_PRTQF_FLX_PIT_SOURCE_OFF_SHIFT) #define I40E_FLEX_PIT_GET_DST(flex) (((flex) & \ I40E_PRTQF_FLX_PIT_DEST_OFF_MASK) >> \ I40E_PRTQF_FLX_PIT_DEST_OFF_SHIFT) #define I40E_FLEX_PIT_GET_FSIZE(flex) (((flex) & \ I40E_PRTQF_FLX_PIT_FSIZE_MASK) >> \ I40E_PRTQF_FLX_PIT_FSIZE_SHIFT) #define I40E_MAX_FLEX_SRC_OFFSET 0x1F /* macros related to GLQF_ORT */ #define I40E_ORT_SET_IDX(idx) (((idx) << \ I40E_GLQF_ORT_PIT_INDX_SHIFT) & \ I40E_GLQF_ORT_PIT_INDX_MASK) #define I40E_ORT_SET_COUNT(count) (((count) << \ I40E_GLQF_ORT_FIELD_CNT_SHIFT) & \ I40E_GLQF_ORT_FIELD_CNT_MASK) #define I40E_ORT_SET_PAYLOAD(payload) (((payload) << \ I40E_GLQF_ORT_FLX_PAYLOAD_SHIFT) & \ I40E_GLQF_ORT_FLX_PAYLOAD_MASK) #define I40E_ORT_PREP_VAL(idx, count, payload) (I40E_ORT_SET_IDX(idx) | \ I40E_ORT_SET_COUNT(count) | \ I40E_ORT_SET_PAYLOAD(payload)) #define I40E_L3_GLQF_ORT_IDX 34 #define I40E_L4_GLQF_ORT_IDX 35 /* Flex PIT register index */ #define I40E_FLEX_PIT_IDX_START_L2 0 #define I40E_FLEX_PIT_IDX_START_L3 3 #define I40E_FLEX_PIT_IDX_START_L4 6 #define I40E_FLEX_PIT_TABLE_SIZE 3 #define I40E_FLEX_DEST_UNUSED 63 #define I40E_FLEX_INDEX_ENTRIES 8 /* Flex MASK to disable all flexible entries */ #define I40E_FLEX_INPUT_MASK (I40E_FLEX_50_MASK | I40E_FLEX_51_MASK | \ I40E_FLEX_52_MASK | I40E_FLEX_53_MASK | \ I40E_FLEX_54_MASK | I40E_FLEX_55_MASK | \ I40E_FLEX_56_MASK | I40E_FLEX_57_MASK) struct i40e_flex_pit { struct list_head list; u16 src_offset; u8 pit_index; }; /* struct that defines the Ethernet device */ struct i40e_pf { struct pci_dev *pdev; struct i40e_hw hw; DECLARE_BITMAP(state, __I40E_STATE_SIZE__); struct msix_entry *msix_entries; bool fc_autoneg_status; u16 eeprom_version; u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */ u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ u16 num_req_vfs; /* num VFs requested for this VF */ u16 num_vf_qps; /* num queue pairs per VF */ u16 num_lan_qps; /* num lan queues this PF has set up */ u16 num_lan_msix; /* num queue vectors for the base PF vsi */ u16 num_fdsb_msix; /* num queue vectors for sideband Fdir */ u16 num_iwarp_msix; /* num of iwarp vectors for this PF */ int iwarp_base_vector; int queues_left; /* queues left unclaimed */ u16 alloc_rss_size; /* allocated RSS queues */ u16 rss_size_max; /* HW defined max RSS queues */ u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ u16 num_alloc_vsi; /* num VSIs this driver supports */ u8 atr_sample_rate; bool wol_en; struct hlist_head fdir_filter_list; u16 fdir_pf_active_filters; unsigned long fd_flush_timestamp; u32 fd_flush_cnt; u32 fd_add_err; u32 fd_atr_cnt; /* Book-keeping of side-band filter count per flow-type. * This is used to detect and handle input set changes for * respective flow-type. */ u16 fd_tcp4_filter_cnt; u16 fd_udp4_filter_cnt; u16 fd_sctp4_filter_cnt; u16 fd_ip4_filter_cnt; /* Flexible filter table values that need to be programmed into * hardware, which expects L3 and L4 to be programmed separately. We * need to ensure that the values are in ascended order and don't have * duplicates, so we track each L3 and L4 values in separate lists. */ struct list_head l3_flex_pit_list; struct list_head l4_flex_pit_list; struct i40e_udp_port_config udp_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; u16 pending_udp_bitmap; enum i40e_interrupt_policy int_policy; u16 rx_itr_default; u16 tx_itr_default; u32 msg_enable; char int_name[I40E_INT_NAME_STR_LEN]; u16 adminq_work_limit; /* num of admin receive queue desc to process */ unsigned long service_timer_period; unsigned long service_timer_previous; struct timer_list service_timer; struct work_struct service_task; u64 hw_features; #define I40E_HW_RSS_AQ_CAPABLE BIT_ULL(0) #define I40E_HW_128_QP_RSS_CAPABLE BIT_ULL(1) #define I40E_HW_ATR_EVICT_CAPABLE BIT_ULL(2) #define I40E_HW_WB_ON_ITR_CAPABLE BIT_ULL(3) #define I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(4) #define I40E_HW_NO_PCI_LINK_CHECK BIT_ULL(5) #define I40E_HW_100M_SGMII_CAPABLE BIT_ULL(6) #define I40E_HW_NO_DCB_SUPPORT BIT_ULL(7) #define I40E_HW_USE_SET_LLDP_MIB BIT_ULL(8) #define I40E_HW_GENEVE_OFFLOAD_CAPABLE BIT_ULL(9) #define I40E_HW_PTP_L4_CAPABLE BIT_ULL(10) #define I40E_HW_WOL_MC_MAGIC_PKT_WAKE BIT_ULL(11) #define I40E_HW_MPLS_HDR_OFFLOAD_CAPABLE BIT_ULL(12) #define I40E_HW_HAVE_CRT_RETIMER BIT_ULL(13) #define I40E_HW_OUTER_UDP_CSUM_CAPABLE BIT_ULL(14) #define I40E_HW_PHY_CONTROLS_LEDS BIT_ULL(15) #define I40E_HW_STOP_FW_LLDP BIT_ULL(16) #define I40E_HW_PORT_ID_VALID BIT_ULL(17) #define I40E_HW_RESTART_AUTONEG BIT_ULL(18) u64 flags; #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1) #define I40E_FLAG_MSI_ENABLED BIT_ULL(2) #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3) #define I40E_FLAG_HW_ATR_EVICT_ENABLED BIT_ULL(4) #define I40E_FLAG_RSS_ENABLED BIT_ULL(6) #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7) #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10) #define I40E_FLAG_FILTER_SYNC BIT_ULL(15) #define I40E_FLAG_SERVICE_CLIENT_REQUESTED BIT_ULL(16) #define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19) #define I40E_FLAG_DCB_ENABLED BIT_ULL(20) #define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21) #define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22) #define I40E_FLAG_FD_SB_AUTO_DISABLED BIT_ULL(23) #define I40E_FLAG_FD_ATR_AUTO_DISABLED BIT_ULL(24) #define I40E_FLAG_PTP BIT_ULL(25) #define I40E_FLAG_MFP_ENABLED BIT_ULL(26) #define I40E_FLAG_UDP_FILTER_SYNC BIT_ULL(27) #define I40E_FLAG_DCB_CAPABLE BIT_ULL(29) #define I40E_FLAG_VEB_STATS_ENABLED BIT_ULL(37) #define I40E_FLAG_LINK_POLLING_ENABLED BIT_ULL(39) #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40) #define I40E_FLAG_TRUE_PROMISC_SUPPORT BIT_ULL(51) #define I40E_FLAG_CLIENT_RESET BIT_ULL(54) #define I40E_FLAG_TEMP_LINK_POLLING BIT_ULL(55) #define I40E_FLAG_CLIENT_L2_CHANGE BIT_ULL(56) #define I40E_FLAG_LEGACY_RX BIT_ULL(58) struct i40e_client_instance *cinst; bool stat_offsets_loaded; struct i40e_hw_port_stats stats; struct i40e_hw_port_stats stats_offsets; u32 tx_timeout_count; u32 tx_timeout_recovery_level; unsigned long tx_timeout_last_recovery; u32 tx_sluggish_count; u32 hw_csum_rx_error; u32 led_status; u16 corer_count; /* Core reset count */ u16 globr_count; /* Global reset count */ u16 empr_count; /* EMP reset count */ u16 pfr_count; /* PF reset count */ u16 sw_int_count; /* SW interrupt count */ struct mutex switch_mutex; u16 lan_vsi; /* our default LAN VSI */ u16 lan_veb; /* initial relay, if exists */ #define I40E_NO_VEB 0xffff #define I40E_NO_VSI 0xffff u16 next_vsi; /* Next unallocated VSI - 0-based! */ struct i40e_vsi **vsi; struct i40e_veb *veb[I40E_MAX_VEB]; struct i40e_lump_tracking *qp_pile; struct i40e_lump_tracking *irq_pile; /* switch config info */ u16 pf_seid; u16 main_vsi_seid; u16 mac_seid; struct kobject *switch_kobj; #ifdef CONFIG_DEBUG_FS struct dentry *i40e_dbg_pf; #endif /* CONFIG_DEBUG_FS */ bool cur_promisc; u16 instance; /* A unique number per i40e_pf instance in the system */ /* sr-iov config info */ struct i40e_vf *vf; int num_alloc_vfs; /* actual number of VFs allocated */ u32 vf_aq_requests; u32 arq_overflows; /* Not fatal, possibly indicative of problems */ /* DCBx/DCBNL capability for PF that indicates * whether DCBx is managed by firmware or host * based agent (LLDPAD). Also, indicates what * flavor of DCBx protocol (IEEE/CEE) is supported * by the device. For now we're supporting IEEE * mode only. */ u16 dcbx_cap; struct i40e_filter_control_settings filter_settings; struct ptp_clock *ptp_clock; struct ptp_clock_info ptp_caps; struct sk_buff *ptp_tx_skb; unsigned long ptp_tx_start; struct hwtstamp_config tstamp_config; struct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */ u64 ptp_base_adj; u32 tx_hwtstamp_timeouts; u32 tx_hwtstamp_skipped; u32 rx_hwtstamp_cleared; u32 latch_event_flags; spinlock_t ptp_rx_lock; /* Used to protect Rx timestamp registers. */ unsigned long latch_events[4]; bool ptp_tx; bool ptp_rx; u16 rss_table_size; /* HW RSS table size */ u32 max_bw; u32 min_bw; u32 ioremap_len; u32 fd_inv; u16 phy_led_val; }; /** * i40e_mac_to_hkey - Convert a 6-byte MAC Address to a u64 hash key * @macaddr: the MAC Address as the base key * * Simply copies the address and returns it as a u64 for hashing **/ static inline u64 i40e_addr_to_hkey(const u8 *macaddr) { u64 key = 0; ether_addr_copy((u8 *)&key, macaddr); return key; } enum i40e_filter_state { I40E_FILTER_INVALID = 0, /* Invalid state */ I40E_FILTER_NEW, /* New, not sent to FW yet */ I40E_FILTER_ACTIVE, /* Added to switch by FW */ I40E_FILTER_FAILED, /* Rejected by FW */ I40E_FILTER_REMOVE, /* To be removed */ /* There is no 'removed' state; the filter struct is freed */ }; struct i40e_mac_filter { struct hlist_node hlist; u8 macaddr[ETH_ALEN]; #define I40E_VLAN_ANY -1 s16 vlan; enum i40e_filter_state state; }; /* Wrapper structure to keep track of filters while we are preparing to send * firmware commands. We cannot send firmware commands while holding a * spinlock, since it might sleep. To avoid this, we wrap the added filters in * a separate structure, which will track the state change and update the real * filter while under lock. We can't simply hold the filters in a separate * list, as this opens a window for a race condition when adding new MAC * addresses to all VLANs, or when adding new VLANs to all MAC addresses. */ struct i40e_new_mac_filter { struct hlist_node hlist; struct i40e_mac_filter *f; /* Track future changes to state separately */ enum i40e_filter_state state; }; struct i40e_veb { struct i40e_pf *pf; u16 idx; u16 veb_idx; /* index of VEB parent */ u16 seid; u16 uplink_seid; u16 stats_idx; /* index of VEB parent */ u8 enabled_tc; u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */ u16 flags; u16 bw_limit; u8 bw_max_quanta; bool is_abs_credits; u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; struct kobject *kobj; bool stat_offsets_loaded; struct i40e_eth_stats stats; struct i40e_eth_stats stats_offsets; struct i40e_veb_tc_stats tc_stats; struct i40e_veb_tc_stats tc_stats_offsets; }; /* struct that defines a VSI, associated with a dev */ struct i40e_vsi { struct net_device *netdev; unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; bool netdev_registered; bool stat_offsets_loaded; u32 current_netdev_flags; DECLARE_BITMAP(state, __I40E_VSI_STATE_SIZE__); #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0) #define I40E_VSI_FLAG_VEB_OWNER BIT(1) unsigned long flags; /* Per VSI lock to protect elements/hash (MAC filter) */ spinlock_t mac_filter_hash_lock; /* Fixed size hash table with 2^8 buckets for MAC filters */ DECLARE_HASHTABLE(mac_filter_hash, 8); bool has_vlan_filter; /* VSI stats */ struct rtnl_link_stats64 net_stats; struct rtnl_link_stats64 net_stats_offsets; struct i40e_eth_stats eth_stats; struct i40e_eth_stats eth_stats_offsets; u32 tx_restart; u32 tx_busy; u64 tx_linearize; u64 tx_force_wb; u32 rx_buf_failed; u32 rx_page_failed; /* These are containers of ring pointers, allocated at run-time */ struct i40e_ring **rx_rings; struct i40e_ring **tx_rings; struct i40e_ring **xdp_rings; /* XDP Tx rings */ u32 active_filters; u32 promisc_threshold; u16 work_limit; u16 int_rate_limit; /* value in usecs */ u16 rss_table_size; /* HW RSS table size */ u16 rss_size; /* Allocated RSS queues */ u8 *rss_hkey_user; /* User configured hash keys */ u8 *rss_lut_user; /* User configured lookup table entries */ u16 max_frame; u16 rx_buf_len; struct bpf_prog *xdp_prog; /* List of q_vectors allocated to this VSI */ struct i40e_q_vector **q_vectors; int num_q_vectors; int base_vector; bool irqs_ready; u16 seid; /* HW index of this VSI (absolute index) */ u16 id; /* VSI number */ u16 uplink_seid; u16 base_queue; /* vsi's first queue in hw array */ u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ u16 req_queue_pairs; /* User requested queue pairs */ u16 num_queue_pairs; /* Used tx and rx pairs */ u16 num_desc; enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ s16 vf_id; /* Virtual function ID for SRIOV VSIs */ struct i40e_tc_configuration tc_config; struct i40e_aqc_vsi_properties_data info; /* VSI BW limit (absolute across all TCs) */ u16 bw_limit; /* VSI BW Limit (0 = disabled) */ u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ /* Relative TC credits across VSIs */ u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; /* TC BW limit credits within VSI */ u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; /* TC BW limit max quanta within VSI */ u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; struct i40e_pf *back; /* Backreference to associated PF */ u16 idx; /* index in pf->vsi[] */ u16 veb_idx; /* index of VEB parent */ struct kobject *kobj; /* sysfs object */ bool current_isup; /* Sync 'link up' logging */ enum i40e_aq_link_speed current_speed; /* Sync link speed logging */ void *priv; /* client driver data reference. */ /* VSI specific handlers */ irqreturn_t (*irq_handler)(int irq, void *data); } ____cacheline_internodealigned_in_smp; struct i40e_netdev_priv { struct i40e_vsi *vsi; }; /* struct that defines an interrupt vector */ struct i40e_q_vector { struct i40e_vsi *vsi; u16 v_idx; /* index in the vsi->q_vector array. */ u16 reg_idx; /* register index of the interrupt */ struct napi_struct napi; struct i40e_ring_container rx; struct i40e_ring_container tx; u8 num_ringpairs; /* total number of ring pairs in vector */ cpumask_t affinity_mask; struct irq_affinity_notify affinity_notify; struct rcu_head rcu; /* to avoid race with update stats on free */ char name[I40E_INT_NAME_STR_LEN]; bool arm_wb_state; #define ITR_COUNTDOWN_START 100 u8 itr_countdown; /* when 0 should adjust ITR */ } ____cacheline_internodealigned_in_smp; /* lan device */ struct i40e_device { struct list_head list; struct i40e_pf *pf; }; /** * i40e_nvm_version_str - format the NVM version strings * @hw: ptr to the hardware info **/ static inline char *i40e_nvm_version_str(struct i40e_hw *hw) { static char buf[32]; u32 full_ver; full_ver = hw->nvm.oem_ver; if (hw->nvm.eetrack == I40E_OEM_EETRACK_ID) { u8 gen, snap; u16 release; gen = (u8)(full_ver >> I40E_OEM_GEN_SHIFT); snap = (u8)((full_ver & I40E_OEM_SNAP_MASK) >> I40E_OEM_SNAP_SHIFT); release = (u16)(full_ver & I40E_OEM_RELEASE_MASK); snprintf(buf, sizeof(buf), "%x.%x.%x", gen, snap, release); } else { u8 ver, patch; u16 build; ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT); build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) & I40E_OEM_VER_BUILD_MASK); patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK); snprintf(buf, sizeof(buf), "%x.%02x 0x%x %d.%d.%d", (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> I40E_NVM_VERSION_HI_SHIFT, (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> I40E_NVM_VERSION_LO_SHIFT, hw->nvm.eetrack, ver, build, patch); } return buf; } /** * i40e_netdev_to_pf: Retrieve the PF struct for given netdev * @netdev: the corresponding netdev * * Return the PF struct for the given netdev **/ static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) { struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; return vsi->back; } static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, irqreturn_t (*irq_handler)(int, void *)) { vsi->irq_handler = irq_handler; } /** * i40e_get_fd_cnt_all - get the total FD filter space available * @pf: pointer to the PF struct **/ static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) { return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; } /** * i40e_read_fd_input_set - reads value of flow director input set register * @pf: pointer to the PF struct * @addr: register addr * * This function reads value of flow director input set register * specified by 'addr' (which is specific to flow-type) **/ static inline u64 i40e_read_fd_input_set(struct i40e_pf *pf, u16 addr) { u64 val; val = i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1)); val <<= 32; val += i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0)); return val; } /** * i40e_write_fd_input_set - writes value into flow director input set register * @pf: pointer to the PF struct * @addr: register addr * @val: value to be written * * This function writes specified value to the register specified by 'addr'. * This register is input set register based on flow-type. **/ static inline void i40e_write_fd_input_set(struct i40e_pf *pf, u16 addr, u64 val) { i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1), (u32)(val >> 32)); i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0), (u32)(val & 0xFFFFFFFFULL)); } /* needed by i40e_ethtool.c */ int i40e_up(struct i40e_vsi *vsi); void i40e_down(struct i40e_vsi *vsi); extern const char i40e_driver_name[]; extern const char i40e_driver_version_str[]; void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired); int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size); void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut, u16 rss_table_size, u16 rss_size); struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); /** * i40e_find_vsi_by_type - Find and return Flow Director VSI * @pf: PF to search for VSI * @type: Value indicating type of VSI we are looking for **/ static inline struct i40e_vsi * i40e_find_vsi_by_type(struct i40e_pf *pf, u16 type) { int i; for (i = 0; i < pf->num_alloc_vsi; i++) { struct i40e_vsi *vsi = pf->vsi[i]; if (vsi && vsi->type == type) return vsi; } return NULL; } void i40e_update_stats(struct i40e_vsi *vsi); void i40e_update_eth_stats(struct i40e_vsi *vsi); struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); int i40e_fetch_switch_configuration(struct i40e_pf *pf, bool printconfig); int i40e_add_del_fdir(struct i40e_vsi *vsi, struct i40e_fdir_filter *input, bool add); void i40e_fdir_check_and_reenable(struct i40e_pf *pf); u32 i40e_get_current_fd_count(struct i40e_pf *pf); u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); u32 i40e_get_current_atr_cnt(struct i40e_pf *pf); u32 i40e_get_global_fd_count(struct i40e_pf *pf); bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); void i40e_set_ethtool_ops(struct net_device *netdev); struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan); void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f); void i40e_del_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan); int i40e_sync_vsi_filters(struct i40e_vsi *vsi); struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, u16 uplink, u32 param1); int i40e_vsi_release(struct i40e_vsi *vsi); void i40e_service_event_schedule(struct i40e_pf *pf); void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id, u8 *msg, u16 len); int i40e_vsi_start_rings(struct i40e_vsi *vsi); void i40e_vsi_stop_rings(struct i40e_vsi *vsi); void i40e_vsi_stop_rings_no_wait(struct i40e_vsi *vsi); int i40e_vsi_wait_queues_disabled(struct i40e_vsi *vsi); int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, u16 downlink_seid, u8 enabled_tc); void i40e_veb_release(struct i40e_veb *veb); int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); void i40e_vsi_reset_stats(struct i40e_vsi *vsi); void i40e_pf_reset_stats(struct i40e_pf *pf); #ifdef CONFIG_DEBUG_FS void i40e_dbg_pf_init(struct i40e_pf *pf); void i40e_dbg_pf_exit(struct i40e_pf *pf); void i40e_dbg_init(void); void i40e_dbg_exit(void); #else static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} static inline void i40e_dbg_init(void) {} static inline void i40e_dbg_exit(void) {} #endif /* CONFIG_DEBUG_FS*/ /* needed by client drivers */ int i40e_lan_add_device(struct i40e_pf *pf); int i40e_lan_del_device(struct i40e_pf *pf); void i40e_client_subtask(struct i40e_pf *pf); void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi); void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset); void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs); void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id); int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id); /** * i40e_irq_dynamic_enable - Enable default interrupt generation settings * @vsi: pointer to a vsi * @vector: enable a particular Hw Interrupt vector, without base_vector **/ static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector) { struct i40e_pf *pf = vsi->back; struct i40e_hw *hw = &pf->hw; u32 val; /* definitely clear the PBA here, as this function is meant to * clean out all previous interrupts AND enable the interrupt */ val = I40E_PFINT_DYN_CTLN_INTENA_MASK | I40E_PFINT_DYN_CTLN_CLEARPBA_MASK | (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT); wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val); /* skip the flush */ } void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf, bool clearpba); int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); int i40e_open(struct net_device *netdev); int i40e_close(struct net_device *netdev); int i40e_vsi_open(struct i40e_vsi *vsi); void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); int i40e_add_vlan_all_mac(struct i40e_vsi *vsi, s16 vid); int i40e_vsi_add_vlan(struct i40e_vsi *vsi, u16 vid); void i40e_rm_vlan_all_mac(struct i40e_vsi *vsi, s16 vid); void i40e_vsi_kill_vlan(struct i40e_vsi *vsi, u16 vid); struct i40e_mac_filter *i40e_add_mac_filter(struct i40e_vsi *vsi, const u8 *macaddr); int i40e_del_mac_filter(struct i40e_vsi *vsi, const u8 *macaddr); bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, const u8 *macaddr); void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); #ifdef CONFIG_I40E_DCB void i40e_dcbnl_flush_apps(struct i40e_pf *pf, struct i40e_dcbx_config *old_cfg, struct i40e_dcbx_config *new_cfg); void i40e_dcbnl_set_all(struct i40e_vsi *vsi); void i40e_dcbnl_setup(struct i40e_vsi *vsi); bool i40e_dcb_need_reconfig(struct i40e_pf *pf, struct i40e_dcbx_config *old_cfg, struct i40e_dcbx_config *new_cfg); #endif /* CONFIG_I40E_DCB */ void i40e_ptp_rx_hang(struct i40e_pf *pf); void i40e_ptp_tx_hang(struct i40e_pf *pf); void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); void i40e_ptp_set_increment(struct i40e_pf *pf); int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); void i40e_ptp_init(struct i40e_pf *pf); void i40e_ptp_stop(struct i40e_pf *pf); int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); i40e_status i40e_get_partition_bw_setting(struct i40e_pf *pf); i40e_status i40e_set_partition_bw_setting(struct i40e_pf *pf); i40e_status i40e_commit_partition_bw_setting(struct i40e_pf *pf); void i40e_print_link_message(struct i40e_vsi *vsi, bool isup); static inline bool i40e_enabled_xdp_vsi(struct i40e_vsi *vsi) { return !!vsi->xdp_prog; } #endif /* _I40E_H_ */