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-rw-r--r--drivers/net/netxen/Makefile2
-rw-r--r--drivers/net/netxen/netxen_nic.h272
-rw-r--r--drivers/net/netxen/netxen_nic_ethtool.c4
-rw-r--r--drivers/net/netxen/netxen_nic_hw.c243
-rw-r--r--drivers/net/netxen/netxen_nic_init.c154
-rw-r--r--drivers/net/netxen/netxen_nic_main.c21
-rw-r--r--drivers/net/netxen/netxen_nic_phan_reg.h2
7 files changed, 359 insertions, 339 deletions
diff --git a/drivers/net/netxen/Makefile b/drivers/net/netxen/Makefile
index c63a20790659..8e7c4c910d2a 100644
--- a/drivers/net/netxen/Makefile
+++ b/drivers/net/netxen/Makefile
@@ -32,4 +32,4 @@
obj-$(CONFIG_NETXEN_NIC) := netxen_nic.o
netxen_nic-y := netxen_nic_hw.o netxen_nic_main.o netxen_nic_init.o \
- netxen_nic_ethtool.o netxen_nic_niu.o
+ netxen_nic_ethtool.o netxen_nic_niu.o netxen_nic_ctx.o
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 87be0a6ef51a..936219010e46 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -84,7 +84,7 @@
#define TX_RINGSIZE \
(sizeof(struct netxen_cmd_buffer) * adapter->max_tx_desc_count)
#define RCV_BUFFSIZE \
- (sizeof(struct netxen_rx_buffer) * rcv_desc->max_rx_desc_count)
+ (sizeof(struct netxen_rx_buffer) * rds_ring->max_rx_desc_count)
#define find_diff_among(a,b,range) ((a)<(b)?((b)-(a)):((b)+(range)-(a)))
#define NETXEN_NETDEV_STATUS 0x1
@@ -303,7 +303,7 @@ struct netxen_ring_ctx {
#define netxen_set_cmd_desc_port(cmd_desc, var) \
((cmd_desc)->port_ctxid |= ((var) & 0x0F))
#define netxen_set_cmd_desc_ctxid(cmd_desc, var) \
- ((cmd_desc)->port_ctxid |= ((var) & 0xF0))
+ ((cmd_desc)->port_ctxid |= ((var) << 4 & 0xF0))
#define netxen_set_cmd_desc_flags(cmd_desc, val) \
(cmd_desc)->flags_opcode = ((cmd_desc)->flags_opcode & \
@@ -844,7 +844,7 @@ struct netxen_adapter_stats {
* Rcv Descriptor Context. One such per Rcv Descriptor. There may
* be one Rcv Descriptor for normal packets, one for jumbo and may be others.
*/
-struct netxen_rcv_desc_ctx {
+struct nx_host_rds_ring {
u32 flags;
u32 producer;
dma_addr_t phys_addr;
@@ -864,13 +864,270 @@ struct netxen_rcv_desc_ctx {
* present elsewhere.
*/
struct netxen_recv_context {
- struct netxen_rcv_desc_ctx rcv_desc[NUM_RCV_DESC_RINGS];
+ u32 state;
+ u16 context_id;
+ u16 virt_port;
+
+ struct nx_host_rds_ring rds_rings[NUM_RCV_DESC_RINGS];
u32 status_rx_consumer;
u32 crb_sts_consumer; /* reg offset */
dma_addr_t rcv_status_desc_phys_addr;
struct status_desc *rcv_status_desc_head;
};
+/* New HW context creation */
+
+#define NX_OS_CRB_RETRY_COUNT 4000
+#define NX_CDRP_SIGNATURE_MAKE(pcifn, version) \
+ (((pcifn) & 0xff) | (((version) & 0xff) << 8) | (0xcafe << 16))
+
+#define NX_CDRP_CLEAR 0x00000000
+#define NX_CDRP_CMD_BIT 0x80000000
+
+/*
+ * All responses must have the NX_CDRP_CMD_BIT cleared
+ * in the crb NX_CDRP_CRB_OFFSET.
+ */
+#define NX_CDRP_FORM_RSP(rsp) (rsp)
+#define NX_CDRP_IS_RSP(rsp) (((rsp) & NX_CDRP_CMD_BIT) == 0)
+
+#define NX_CDRP_RSP_OK 0x00000001
+#define NX_CDRP_RSP_FAIL 0x00000002
+#define NX_CDRP_RSP_TIMEOUT 0x00000003
+
+/*
+ * All commands must have the NX_CDRP_CMD_BIT set in
+ * the crb NX_CDRP_CRB_OFFSET.
+ */
+#define NX_CDRP_FORM_CMD(cmd) (NX_CDRP_CMD_BIT | (cmd))
+#define NX_CDRP_IS_CMD(cmd) (((cmd) & NX_CDRP_CMD_BIT) != 0)
+
+#define NX_CDRP_CMD_SUBMIT_CAPABILITIES 0x00000001
+#define NX_CDRP_CMD_READ_MAX_RDS_PER_CTX 0x00000002
+#define NX_CDRP_CMD_READ_MAX_SDS_PER_CTX 0x00000003
+#define NX_CDRP_CMD_READ_MAX_RULES_PER_CTX 0x00000004
+#define NX_CDRP_CMD_READ_MAX_RX_CTX 0x00000005
+#define NX_CDRP_CMD_READ_MAX_TX_CTX 0x00000006
+#define NX_CDRP_CMD_CREATE_RX_CTX 0x00000007
+#define NX_CDRP_CMD_DESTROY_RX_CTX 0x00000008
+#define NX_CDRP_CMD_CREATE_TX_CTX 0x00000009
+#define NX_CDRP_CMD_DESTROY_TX_CTX 0x0000000a
+#define NX_CDRP_CMD_SETUP_STATISTICS 0x0000000e
+#define NX_CDRP_CMD_GET_STATISTICS 0x0000000f
+#define NX_CDRP_CMD_DELETE_STATISTICS 0x00000010
+#define NX_CDRP_CMD_SET_MTU 0x00000012
+#define NX_CDRP_CMD_MAX 0x00000013
+
+#define NX_RCODE_SUCCESS 0
+#define NX_RCODE_NO_HOST_MEM 1
+#define NX_RCODE_NO_HOST_RESOURCE 2
+#define NX_RCODE_NO_CARD_CRB 3
+#define NX_RCODE_NO_CARD_MEM 4
+#define NX_RCODE_NO_CARD_RESOURCE 5
+#define NX_RCODE_INVALID_ARGS 6
+#define NX_RCODE_INVALID_ACTION 7
+#define NX_RCODE_INVALID_STATE 8
+#define NX_RCODE_NOT_SUPPORTED 9
+#define NX_RCODE_NOT_PERMITTED 10
+#define NX_RCODE_NOT_READY 11
+#define NX_RCODE_DOES_NOT_EXIST 12
+#define NX_RCODE_ALREADY_EXISTS 13
+#define NX_RCODE_BAD_SIGNATURE 14
+#define NX_RCODE_CMD_NOT_IMPL 15
+#define NX_RCODE_CMD_INVALID 16
+#define NX_RCODE_TIMEOUT 17
+#define NX_RCODE_CMD_FAILED 18
+#define NX_RCODE_MAX_EXCEEDED 19
+#define NX_RCODE_MAX 20
+
+#define NX_DESTROY_CTX_RESET 0
+#define NX_DESTROY_CTX_D3_RESET 1
+#define NX_DESTROY_CTX_MAX 2
+
+/*
+ * Capabilities
+ */
+#define NX_CAP_BIT(class, bit) (1 << bit)
+#define NX_CAP0_LEGACY_CONTEXT NX_CAP_BIT(0, 0)
+#define NX_CAP0_MULTI_CONTEXT NX_CAP_BIT(0, 1)
+#define NX_CAP0_LEGACY_MN NX_CAP_BIT(0, 2)
+#define NX_CAP0_LEGACY_MS NX_CAP_BIT(0, 3)
+#define NX_CAP0_CUT_THROUGH NX_CAP_BIT(0, 4)
+#define NX_CAP0_LRO NX_CAP_BIT(0, 5)
+#define NX_CAP0_LSO NX_CAP_BIT(0, 6)
+#define NX_CAP0_JUMBO_CONTIGUOUS NX_CAP_BIT(0, 7)
+#define NX_CAP0_LRO_CONTIGUOUS NX_CAP_BIT(0, 8)
+
+/*
+ * Context state
+ */
+#define NX_HOST_CTX_STATE_FREED 0
+#define NX_HOST_CTX_STATE_ALLOCATED 1
+#define NX_HOST_CTX_STATE_ACTIVE 2
+#define NX_HOST_CTX_STATE_DISABLED 3
+#define NX_HOST_CTX_STATE_QUIESCED 4
+#define NX_HOST_CTX_STATE_MAX 5
+
+/*
+ * Rx context
+ */
+
+typedef struct {
+ u64 host_phys_addr; /* Ring base addr */
+ u32 ring_size; /* Ring entries */
+ u16 msi_index;
+ u16 rsvd; /* Padding */
+} nx_hostrq_sds_ring_t;
+
+typedef struct {
+ u64 host_phys_addr; /* Ring base addr */
+ u64 buff_size; /* Packet buffer size */
+ u32 ring_size; /* Ring entries */
+ u32 ring_kind; /* Class of ring */
+} nx_hostrq_rds_ring_t;
+
+typedef struct {
+ u64 host_rsp_dma_addr; /* Response dma'd here */
+ u32 capabilities[4]; /* Flag bit vector */
+ u32 host_int_crb_mode; /* Interrupt crb usage */
+ u32 host_rds_crb_mode; /* RDS crb usage */
+ /* These ring offsets are relative to data[0] below */
+ u32 rds_ring_offset; /* Offset to RDS config */
+ u32 sds_ring_offset; /* Offset to SDS config */
+ u16 num_rds_rings; /* Count of RDS rings */
+ u16 num_sds_rings; /* Count of SDS rings */
+ u16 rsvd1; /* Padding */
+ u16 rsvd2; /* Padding */
+ u8 reserved[128]; /* reserve space for future expansion*/
+ /* MUST BE 64-bit aligned.
+ The following is packed:
+ - N hostrq_rds_rings
+ - N hostrq_sds_rings */
+ char data[0];
+} nx_hostrq_rx_ctx_t;
+
+typedef struct {
+ u32 host_producer_crb; /* Crb to use */
+ u32 rsvd1; /* Padding */
+} nx_cardrsp_rds_ring_t;
+
+typedef struct {
+ u32 host_consumer_crb; /* Crb to use */
+ u32 interrupt_crb; /* Crb to use */
+} nx_cardrsp_sds_ring_t;
+
+typedef struct {
+ /* These ring offsets are relative to data[0] below */
+ u32 rds_ring_offset; /* Offset to RDS config */
+ u32 sds_ring_offset; /* Offset to SDS config */
+ u32 host_ctx_state; /* Starting State */
+ u32 num_fn_per_port; /* How many PCI fn share the port */
+ u16 num_rds_rings; /* Count of RDS rings */
+ u16 num_sds_rings; /* Count of SDS rings */
+ u16 context_id; /* Handle for context */
+ u8 phys_port; /* Physical id of port */
+ u8 virt_port; /* Virtual/Logical id of port */
+ u8 reserved[128]; /* save space for future expansion */
+ /* MUST BE 64-bit aligned.
+ The following is packed:
+ - N cardrsp_rds_rings
+ - N cardrs_sds_rings */
+ char data[0];
+} nx_cardrsp_rx_ctx_t;
+
+#define SIZEOF_HOSTRQ_RX(HOSTRQ_RX, rds_rings, sds_rings) \
+ (sizeof(HOSTRQ_RX) + \
+ (rds_rings)*(sizeof(nx_hostrq_rds_ring_t)) + \
+ (sds_rings)*(sizeof(nx_hostrq_sds_ring_t)))
+
+#define SIZEOF_CARDRSP_RX(CARDRSP_RX, rds_rings, sds_rings) \
+ (sizeof(CARDRSP_RX) + \
+ (rds_rings)*(sizeof(nx_cardrsp_rds_ring_t)) + \
+ (sds_rings)*(sizeof(nx_cardrsp_sds_ring_t)))
+
+/*
+ * Tx context
+ */
+
+typedef struct {
+ u64 host_phys_addr; /* Ring base addr */
+ u32 ring_size; /* Ring entries */
+ u32 rsvd; /* Padding */
+} nx_hostrq_cds_ring_t;
+
+typedef struct {
+ u64 host_rsp_dma_addr; /* Response dma'd here */
+ u64 cmd_cons_dma_addr; /* */
+ u64 dummy_dma_addr; /* */
+ u32 capabilities[4]; /* Flag bit vector */
+ u32 host_int_crb_mode; /* Interrupt crb usage */
+ u32 rsvd1; /* Padding */
+ u16 rsvd2; /* Padding */
+ u16 interrupt_ctl;
+ u16 msi_index;
+ u16 rsvd3; /* Padding */
+ nx_hostrq_cds_ring_t cds_ring; /* Desc of cds ring */
+ u8 reserved[128]; /* future expansion */
+} nx_hostrq_tx_ctx_t;
+
+typedef struct {
+ u32 host_producer_crb; /* Crb to use */
+ u32 interrupt_crb; /* Crb to use */
+} nx_cardrsp_cds_ring_t;
+
+typedef struct {
+ u32 host_ctx_state; /* Starting state */
+ u16 context_id; /* Handle for context */
+ u8 phys_port; /* Physical id of port */
+ u8 virt_port; /* Virtual/Logical id of port */
+ nx_cardrsp_cds_ring_t cds_ring; /* Card cds settings */
+ u8 reserved[128]; /* future expansion */
+} nx_cardrsp_tx_ctx_t;
+
+#define SIZEOF_HOSTRQ_TX(HOSTRQ_TX) (sizeof(HOSTRQ_TX))
+#define SIZEOF_CARDRSP_TX(CARDRSP_TX) (sizeof(CARDRSP_TX))
+
+/* CRB */
+
+#define NX_HOST_RDS_CRB_MODE_UNIQUE 0
+#define NX_HOST_RDS_CRB_MODE_SHARED 1
+#define NX_HOST_RDS_CRB_MODE_CUSTOM 2
+#define NX_HOST_RDS_CRB_MODE_MAX 3
+
+#define NX_HOST_INT_CRB_MODE_UNIQUE 0
+#define NX_HOST_INT_CRB_MODE_SHARED 1
+#define NX_HOST_INT_CRB_MODE_NORX 2
+#define NX_HOST_INT_CRB_MODE_NOTX 3
+#define NX_HOST_INT_CRB_MODE_NORXTX 4
+
+
+/* MAC */
+
+#define MC_COUNT_P2 16
+#define MC_COUNT_P3 38
+
+#define NETXEN_MAC_NOOP 0
+#define NETXEN_MAC_ADD 1
+#define NETXEN_MAC_DEL 2
+
+typedef struct nx_mac_list_s {
+ struct nx_mac_list_s *next;
+ uint8_t mac_addr[MAX_ADDR_LEN];
+} nx_mac_list_t;
+
+typedef struct {
+ u64 qhdr;
+ u64 req_hdr;
+ u64 words[6];
+} nic_request_t;
+
+typedef struct {
+ u8 op;
+ u8 tag;
+ u8 mac_addr[6];
+} nx_mac_req_t;
+
+
#define NETXEN_NIC_MSI_ENABLED 0x02
#define NETXEN_NIC_MSIX_ENABLED 0x04
#define NETXEN_IS_MSI_FAMILY(adapter) \
@@ -899,11 +1156,13 @@ struct netxen_adapter {
int mtu;
int portnum;
u8 physical_port;
+ u16 tx_context_id;
uint8_t mc_enabled;
uint8_t max_mc_count;
struct netxen_legacy_intr_set legacy_intr;
+ u32 crb_intr_mask;
struct work_struct watchdog_task;
struct timer_list watchdog_timer;
@@ -926,6 +1185,8 @@ struct netxen_adapter {
u32 max_jumbo_rx_desc_count;
u32 max_lro_rx_desc_count;
+ int max_rds_rings;
+
u32 flags;
u32 irq;
int driver_mismatch;
@@ -1144,7 +1405,10 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx,
int netxen_process_cmd_ring(struct netxen_adapter *adapter);
u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max);
void netxen_nic_set_multi(struct net_device *netdev);
+
+u32 nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, u32 mtu);
int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu);
+
int netxen_nic_set_mac(struct net_device *netdev, void *p);
struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev);
diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index 7e49e6106073..381d55a52162 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -524,9 +524,9 @@ netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring)
ring->rx_jumbo_pending = 0;
for (i = 0; i < MAX_RCV_CTX; ++i) {
ring->rx_pending += adapter->recv_ctx[i].
- rcv_desc[RCV_DESC_NORMAL_CTXID].max_rx_desc_count;
+ rds_rings[RCV_DESC_NORMAL_CTXID].max_rx_desc_count;
ring->rx_jumbo_pending += adapter->recv_ctx[i].
- rcv_desc[RCV_DESC_JUMBO_CTXID].max_rx_desc_count;
+ rds_rings[RCV_DESC_JUMBO_CTXID].max_rx_desc_count;
}
ring->tx_pending = adapter->max_tx_desc_count;
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index fde8c6f1c9f5..d46b4dff783d 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -280,80 +280,6 @@ static unsigned crb_hub_agt[64] =
0,
};
-struct netxen_recv_crb recv_crb_registers[] = {
- /*
- * Instance 0.
- */
- {
- /* crb_rcv_producer: */
- {
- NETXEN_NIC_REG(0x100),
- /* Jumbo frames */
- NETXEN_NIC_REG(0x110),
- /* LRO */
- NETXEN_NIC_REG(0x120)
- },
- /* crb_sts_consumer: */
- NETXEN_NIC_REG(0x138),
- },
- /*
- * Instance 1,
- */
- {
- /* crb_rcv_producer: */
- {
- NETXEN_NIC_REG(0x144),
- /* Jumbo frames */
- NETXEN_NIC_REG(0x154),
- /* LRO */
- NETXEN_NIC_REG(0x164)
- },
- /* crb_sts_consumer: */
- NETXEN_NIC_REG(0x17c),
- },
- /*
- * Instance 2,
- */
- {
- /* crb_rcv_producer: */
- {
- NETXEN_NIC_REG(0x1d8),
- /* Jumbo frames */
- NETXEN_NIC_REG(0x1f8),
- /* LRO */
- NETXEN_NIC_REG(0x208)
- },
- /* crb_sts_consumer: */
- NETXEN_NIC_REG(0x220),
- },
- /*
- * Instance 3,
- */
- {
- /* crb_rcv_producer: */
- {
- NETXEN_NIC_REG(0x22c),
- /* Jumbo frames */
- NETXEN_NIC_REG(0x23c),
- /* LRO */
- NETXEN_NIC_REG(0x24c)
- },
- /* crb_sts_consumer: */
- NETXEN_NIC_REG(0x264),
- },
-};
-
-static u64 ctx_addr_sig_regs[][3] = {
- {NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)},
- {NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)},
- {NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)},
- {NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)}
-};
-#define CRB_CTX_ADDR_REG_LO(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][0])
-#define CRB_CTX_ADDR_REG_HI(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][2])
-#define CRB_CTX_SIGNATURE_REG(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][1])
-
-
/* PCI Windowing for DDR regions. */
#define ADDR_IN_RANGE(addr, low, high) \
@@ -368,10 +294,6 @@ static u64 ctx_addr_sig_regs[][3] = {
#define NETXEN_NIU_HDRSIZE (0x1 << 6)
#define NETXEN_NIU_TLRSIZE (0x1 << 5)
-#define lower32(x) ((u32)((x) & 0xffffffff))
-#define upper32(x) \
- ((u32)(((unsigned long long)(x) >> 32) & 0xffffffff))
-
#define NETXEN_NIC_ZERO_PAUSE_ADDR 0ULL
#define NETXEN_NIC_UNIT_PAUSE_ADDR 0x200ULL
#define NETXEN_NIC_EPG_PAUSE_ADDR1 0x2200010000c28001ULL
@@ -556,171 +478,6 @@ int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
return 0;
}
-/*
- * check if the firmware has been downloaded and ready to run and
- * setup the address for the descriptors in the adapter
- */
-int netxen_alloc_hw_resources(struct netxen_adapter *adapter)
-{
- struct netxen_hardware_context *hw = &adapter->ahw;
- u32 state = 0;
- void *addr;
- int err = 0;
- int ctx, ring;
- struct netxen_recv_context *recv_ctx;
- struct netxen_rcv_desc_ctx *rcv_desc;
- int func_id = adapter->portnum;
-
- err = netxen_receive_peg_ready(adapter);
- if (err) {
- printk(KERN_ERR "Rcv Peg initialization not complete:%x.\n",
- state);
- return err;
- }
- adapter->intr_scheme = adapter->pci_read_normalize(adapter,
- CRB_NIC_CAPABILITIES_FW);
- adapter->msi_mode = adapter->pci_read_normalize(adapter,
- CRB_NIC_MSI_MODE_FW);
-
- addr = pci_alloc_consistent(adapter->pdev,
- sizeof(struct netxen_ring_ctx) + sizeof(uint32_t),
- &adapter->ctx_desc_phys_addr);
-
- if (addr == NULL) {
- DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
- err = -ENOMEM;
- return err;
- }
- memset(addr, 0, sizeof(struct netxen_ring_ctx));
- adapter->ctx_desc = (struct netxen_ring_ctx *)addr;
- adapter->ctx_desc->ctx_id = cpu_to_le32(adapter->portnum);
- adapter->ctx_desc->cmd_consumer_offset =
- cpu_to_le64(adapter->ctx_desc_phys_addr +
- sizeof(struct netxen_ring_ctx));
- adapter->cmd_consumer = (__le32 *) (((char *)addr) +
- sizeof(struct netxen_ring_ctx));
-
- addr = pci_alloc_consistent(adapter->pdev,
- sizeof(struct cmd_desc_type0) *
- adapter->max_tx_desc_count,
- &hw->cmd_desc_phys_addr);
-
- if (addr == NULL) {
- DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
- netxen_free_hw_resources(adapter);
- return -ENOMEM;
- }
-
- adapter->ctx_desc->cmd_ring_addr =
- cpu_to_le64(hw->cmd_desc_phys_addr);
- adapter->ctx_desc->cmd_ring_size =
- cpu_to_le32(adapter->max_tx_desc_count);
-
- hw->cmd_desc_head = (struct cmd_desc_type0 *)addr;
-
- for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
- recv_ctx = &adapter->recv_ctx[ctx];
-
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- rcv_desc = &recv_ctx->rcv_desc[ring];
- addr = pci_alloc_consistent(adapter->pdev,
- RCV_DESC_RINGSIZE,
- &rcv_desc->phys_addr);
- if (addr == NULL) {
- DPRINTK(ERR, "bad return from "
- "pci_alloc_consistent\n");
- netxen_free_hw_resources(adapter);
- err = -ENOMEM;
- return err;
- }
- rcv_desc->desc_head = (struct rcv_desc *)addr;
- adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr =
- cpu_to_le64(rcv_desc->phys_addr);
- adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size =
- cpu_to_le32(rcv_desc->max_rx_desc_count);
- rcv_desc->crb_rcv_producer =
- recv_crb_registers[adapter->portnum].
- crb_rcv_producer[ring];
- }
-
- addr = pci_alloc_consistent(adapter->pdev, STATUS_DESC_RINGSIZE,
- &recv_ctx->rcv_status_desc_phys_addr);
- if (addr == NULL) {
- DPRINTK(ERR, "bad return from"
- " pci_alloc_consistent\n");
- netxen_free_hw_resources(adapter);
- err = -ENOMEM;
- return err;
- }
- recv_ctx->rcv_status_desc_head = (struct status_desc *)addr;
- adapter->ctx_desc->sts_ring_addr =
- cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr);
- adapter->ctx_desc->sts_ring_size =
- cpu_to_le32(adapter->max_rx_desc_count);
- recv_ctx->crb_sts_consumer =
- recv_crb_registers[adapter->portnum].crb_sts_consumer;
-
- }
- /* Window = 1 */
-
- adapter->pci_write_normalize(adapter, CRB_CTX_ADDR_REG_LO(func_id),
- lower32(adapter->ctx_desc_phys_addr));
- adapter->pci_write_normalize(adapter, CRB_CTX_ADDR_REG_HI(func_id),
- upper32(adapter->ctx_desc_phys_addr));
- adapter->pci_write_normalize(adapter, CRB_CTX_SIGNATURE_REG(func_id),
- NETXEN_CTX_SIGNATURE | func_id);
- return err;
-}
-
-void netxen_free_hw_resources(struct netxen_adapter *adapter)
-{
- struct netxen_recv_context *recv_ctx;
- struct netxen_rcv_desc_ctx *rcv_desc;
- int ctx, ring;
-
- if (adapter->ctx_desc != NULL) {
- pci_free_consistent(adapter->pdev,
- sizeof(struct netxen_ring_ctx) +
- sizeof(uint32_t),
- adapter->ctx_desc,
- adapter->ctx_desc_phys_addr);
- adapter->ctx_desc = NULL;
- }
-
- if (adapter->ahw.cmd_desc_head != NULL) {
- pci_free_consistent(adapter->pdev,
- sizeof(struct cmd_desc_type0) *
- adapter->max_tx_desc_count,
- adapter->ahw.cmd_desc_head,
- adapter->ahw.cmd_desc_phys_addr);
- adapter->ahw.cmd_desc_head = NULL;
- }
-
- for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
- recv_ctx = &adapter->recv_ctx[ctx];
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- rcv_desc = &recv_ctx->rcv_desc[ring];
-
- if (rcv_desc->desc_head != NULL) {
- pci_free_consistent(adapter->pdev,
- RCV_DESC_RINGSIZE,
- rcv_desc->desc_head,
- rcv_desc->phys_addr);
- rcv_desc->desc_head = NULL;
- }
- }
-
- if (recv_ctx->rcv_status_desc_head != NULL) {
- pci_free_consistent(adapter->pdev,
- STATUS_DESC_RINGSIZE,
- recv_ctx->rcv_status_desc_head,
- recv_ctx->
- rcv_status_desc_phys_addr);
- recv_ctx->rcv_status_desc_head = NULL;
- }
- }
-}
-
void netxen_tso_check(struct netxen_adapter *adapter,
struct cmd_desc_type0 *desc, struct sk_buff *skb)
{
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 7c3fbc4a5723..d222436bd5bd 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -158,21 +158,21 @@ int netxen_init_firmware(struct netxen_adapter *adapter)
void netxen_release_rx_buffers(struct netxen_adapter *adapter)
{
struct netxen_recv_context *recv_ctx;
- struct netxen_rcv_desc_ctx *rcv_desc;
+ struct nx_host_rds_ring *rds_ring;
struct netxen_rx_buffer *rx_buf;
int i, ctxid, ring;
for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
recv_ctx = &adapter->recv_ctx[ctxid];
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- rcv_desc = &recv_ctx->rcv_desc[ring];
- for (i = 0; i < rcv_desc->max_rx_desc_count; ++i) {
- rx_buf = &(rcv_desc->rx_buf_arr[i]);
+ for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+ rds_ring = &recv_ctx->rds_rings[ring];
+ for (i = 0; i < rds_ring->max_rx_desc_count; ++i) {
+ rx_buf = &(rds_ring->rx_buf_arr[i]);
if (rx_buf->state == NETXEN_BUFFER_FREE)
continue;
pci_unmap_single(adapter->pdev,
rx_buf->dma,
- rcv_desc->dma_size,
+ rds_ring->dma_size,
PCI_DMA_FROMDEVICE);
if (rx_buf->skb != NULL)
dev_kfree_skb_any(rx_buf->skb);
@@ -216,16 +216,16 @@ void netxen_release_tx_buffers(struct netxen_adapter *adapter)
void netxen_free_sw_resources(struct netxen_adapter *adapter)
{
struct netxen_recv_context *recv_ctx;
- struct netxen_rcv_desc_ctx *rcv_desc;
+ struct nx_host_rds_ring *rds_ring;
int ctx, ring;
for (ctx = 0; ctx < MAX_RCV_CTX; ctx++) {
recv_ctx = &adapter->recv_ctx[ctx];
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- rcv_desc = &recv_ctx->rcv_desc[ring];
- if (rcv_desc->rx_buf_arr) {
- vfree(rcv_desc->rx_buf_arr);
- rcv_desc->rx_buf_arr = NULL;
+ for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+ rds_ring = &recv_ctx->rds_rings[ring];
+ if (rds_ring->rx_buf_arr) {
+ vfree(rds_ring->rx_buf_arr);
+ rds_ring->rx_buf_arr = NULL;
}
}
}
@@ -237,7 +237,7 @@ void netxen_free_sw_resources(struct netxen_adapter *adapter)
int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
{
struct netxen_recv_context *recv_ctx;
- struct netxen_rcv_desc_ctx *rcv_desc;
+ struct nx_host_rds_ring *rds_ring;
struct netxen_rx_buffer *rx_buf;
int ctx, ring, i, num_rx_bufs;
@@ -255,52 +255,52 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
for (ctx = 0; ctx < MAX_RCV_CTX; ctx++) {
recv_ctx = &adapter->recv_ctx[ctx];
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- rcv_desc = &recv_ctx->rcv_desc[ring];
+ for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+ rds_ring = &recv_ctx->rds_rings[ring];
switch (RCV_DESC_TYPE(ring)) {
case RCV_DESC_NORMAL:
- rcv_desc->max_rx_desc_count =
+ rds_ring->max_rx_desc_count =
adapter->max_rx_desc_count;
- rcv_desc->flags = RCV_DESC_NORMAL;
- rcv_desc->dma_size = RX_DMA_MAP_LEN;
- rcv_desc->skb_size = MAX_RX_BUFFER_LENGTH;
+ rds_ring->flags = RCV_DESC_NORMAL;
+ rds_ring->dma_size = RX_DMA_MAP_LEN;
+ rds_ring->skb_size = MAX_RX_BUFFER_LENGTH;
break;
case RCV_DESC_JUMBO:
- rcv_desc->max_rx_desc_count =
+ rds_ring->max_rx_desc_count =
adapter->max_jumbo_rx_desc_count;
- rcv_desc->flags = RCV_DESC_JUMBO;
- rcv_desc->dma_size = RX_JUMBO_DMA_MAP_LEN;
- rcv_desc->skb_size =
+ rds_ring->flags = RCV_DESC_JUMBO;
+ rds_ring->dma_size = RX_JUMBO_DMA_MAP_LEN;
+ rds_ring->skb_size =
MAX_RX_JUMBO_BUFFER_LENGTH;
break;
case RCV_RING_LRO:
- rcv_desc->max_rx_desc_count =
+ rds_ring->max_rx_desc_count =
adapter->max_lro_rx_desc_count;
- rcv_desc->flags = RCV_DESC_LRO;
- rcv_desc->dma_size = RX_LRO_DMA_MAP_LEN;
- rcv_desc->skb_size = MAX_RX_LRO_BUFFER_LENGTH;
+ rds_ring->flags = RCV_DESC_LRO;
+ rds_ring->dma_size = RX_LRO_DMA_MAP_LEN;
+ rds_ring->skb_size = MAX_RX_LRO_BUFFER_LENGTH;
break;
}
- rcv_desc->rx_buf_arr = (struct netxen_rx_buffer *)
+ rds_ring->rx_buf_arr = (struct netxen_rx_buffer *)
vmalloc(RCV_BUFFSIZE);
- if (rcv_desc->rx_buf_arr == NULL) {
+ if (rds_ring->rx_buf_arr == NULL) {
printk(KERN_ERR "%s: Failed to allocate "
"rx buffer ring %d\n",
netdev->name, ring);
/* free whatever was already allocated */
goto err_out;
}
- memset(rcv_desc->rx_buf_arr, 0, RCV_BUFFSIZE);
- rcv_desc->begin_alloc = 0;
+ memset(rds_ring->rx_buf_arr, 0, RCV_BUFFSIZE);
+ rds_ring->begin_alloc = 0;
/*
* Now go through all of them, set reference handles
* and put them in the queues.
*/
- num_rx_bufs = rcv_desc->max_rx_desc_count;
- rx_buf = rcv_desc->rx_buf_arr;
+ num_rx_bufs = rds_ring->max_rx_desc_count;
+ rx_buf = rds_ring->rx_buf_arr;
for (i = 0; i < num_rx_bufs; i++) {
rx_buf->ref_handle = i;
rx_buf->state = NETXEN_BUFFER_FREE;
@@ -1154,7 +1154,7 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
struct sk_buff *skb;
u32 length = netxen_get_sts_totallength(sts_data);
u32 desc_ctx;
- struct netxen_rcv_desc_ctx *rcv_desc;
+ struct nx_host_rds_ring *rds_ring;
int ret;
desc_ctx = netxen_get_sts_type(sts_data);
@@ -1164,13 +1164,13 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
return;
}
- rcv_desc = &recv_ctx->rcv_desc[desc_ctx];
- if (unlikely(index > rcv_desc->max_rx_desc_count)) {
+ rds_ring = &recv_ctx->rds_rings[desc_ctx];
+ if (unlikely(index > rds_ring->max_rx_desc_count)) {
DPRINTK(ERR, "Got a buffer index:%x Max is %x\n",
- index, rcv_desc->max_rx_desc_count);
+ index, rds_ring->max_rx_desc_count);
return;
}
- buffer = &rcv_desc->rx_buf_arr[index];
+ buffer = &rds_ring->rx_buf_arr[index];
if (desc_ctx == RCV_DESC_LRO_CTXID) {
buffer->lro_current_frags++;
if (netxen_get_sts_desc_lro_last_frag(desc)) {
@@ -1191,7 +1191,7 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
}
}
- pci_unmap_single(pdev, buffer->dma, rcv_desc->dma_size,
+ pci_unmap_single(pdev, buffer->dma, rds_ring->dma_size,
PCI_DMA_FROMDEVICE);
skb = (struct sk_buff *)buffer->skb;
@@ -1249,7 +1249,7 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max)
consumer = (consumer + 1) & (adapter->max_rx_desc_count - 1);
count++;
}
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++)
+ for (ring = 0; ring < adapter->max_rds_rings; ring++)
netxen_post_rx_buffers_nodb(adapter, ctxid, ring);
/* update the consumer index in phantom */
@@ -1340,7 +1340,7 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
struct pci_dev *pdev = adapter->pdev;
struct sk_buff *skb;
struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]);
- struct netxen_rcv_desc_ctx *rcv_desc = NULL;
+ struct nx_host_rds_ring *rds_ring = NULL;
uint producer;
struct rcv_desc *pdesc;
struct netxen_rx_buffer *buffer;
@@ -1349,27 +1349,27 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
netxen_ctx_msg msg = 0;
dma_addr_t dma;
- rcv_desc = &recv_ctx->rcv_desc[ringid];
+ rds_ring = &recv_ctx->rds_rings[ringid];
- producer = rcv_desc->producer;
- index = rcv_desc->begin_alloc;
- buffer = &rcv_desc->rx_buf_arr[index];
+ producer = rds_ring->producer;
+ index = rds_ring->begin_alloc;
+ buffer = &rds_ring->rx_buf_arr[index];
/* We can start writing rx descriptors into the phantom memory. */
while (buffer->state == NETXEN_BUFFER_FREE) {
- skb = dev_alloc_skb(rcv_desc->skb_size);
+ skb = dev_alloc_skb(rds_ring->skb_size);
if (unlikely(!skb)) {
/*
* TODO
* We need to schedule the posting of buffers to the pegs.
*/
- rcv_desc->begin_alloc = index;
+ rds_ring->begin_alloc = index;
DPRINTK(ERR, "netxen_post_rx_buffers: "
" allocated only %d buffers\n", count);
break;
}
count++; /* now there should be no failure */
- pdesc = &rcv_desc->desc_head[producer];
+ pdesc = &rds_ring->desc_head[producer];
#if defined(XGB_DEBUG)
*(unsigned long *)(skb->head) = 0xc0debabe;
@@ -1382,7 +1382,7 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
* buffer after it has been filled FSL TBD TBD
* skb->dev = netdev;
*/
- dma = pci_map_single(pdev, skb->data, rcv_desc->dma_size,
+ dma = pci_map_single(pdev, skb->data, rds_ring->dma_size,
PCI_DMA_FROMDEVICE);
pdesc->addr_buffer = cpu_to_le64(dma);
buffer->skb = skb;
@@ -1390,36 +1390,40 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
buffer->dma = dma;
/* make a rcv descriptor */
pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
- pdesc->buffer_length = cpu_to_le32(rcv_desc->dma_size);
+ pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
DPRINTK(INFO, "done writing descripter\n");
producer =
- get_next_index(producer, rcv_desc->max_rx_desc_count);
- index = get_next_index(index, rcv_desc->max_rx_desc_count);
- buffer = &rcv_desc->rx_buf_arr[index];
+ get_next_index(producer, rds_ring->max_rx_desc_count);
+ index = get_next_index(index, rds_ring->max_rx_desc_count);
+ buffer = &rds_ring->rx_buf_arr[index];
}
/* if we did allocate buffers, then write the count to Phantom */
if (count) {
- rcv_desc->begin_alloc = index;
- rcv_desc->producer = producer;
+ rds_ring->begin_alloc = index;
+ rds_ring->producer = producer;
/* Window = 1 */
adapter->pci_write_normalize(adapter,
- rcv_desc->crb_rcv_producer,
- (producer-1) & (rcv_desc->max_rx_desc_count-1));
+ rds_ring->crb_rcv_producer,
+ (producer-1) & (rds_ring->max_rx_desc_count-1));
+
+ if (adapter->fw_major < 4) {
/*
* Write a doorbell msg to tell phanmon of change in
* receive ring producer
+ * Only for firmware version < 4.0.0
*/
netxen_set_msg_peg_id(msg, NETXEN_RCV_PEG_DB_ID);
netxen_set_msg_privid(msg);
netxen_set_msg_count(msg,
((producer -
- 1) & (rcv_desc->
+ 1) & (rds_ring->
max_rx_desc_count - 1)));
netxen_set_msg_ctxid(msg, adapter->portnum);
netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid));
writel(msg,
DB_NORMALIZE(adapter,
NETXEN_RCV_PRODUCER_OFFSET));
+ }
}
}
@@ -1429,32 +1433,32 @@ static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter,
struct pci_dev *pdev = adapter->pdev;
struct sk_buff *skb;
struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]);
- struct netxen_rcv_desc_ctx *rcv_desc = NULL;
+ struct nx_host_rds_ring *rds_ring = NULL;
u32 producer;
struct rcv_desc *pdesc;
struct netxen_rx_buffer *buffer;
int count = 0;
int index = 0;
- rcv_desc = &recv_ctx->rcv_desc[ringid];
+ rds_ring = &recv_ctx->rds_rings[ringid];
- producer = rcv_desc->producer;
- index = rcv_desc->begin_alloc;
- buffer = &rcv_desc->rx_buf_arr[index];
+ producer = rds_ring->producer;
+ index = rds_ring->begin_alloc;
+ buffer = &rds_ring->rx_buf_arr[index];
/* We can start writing rx descriptors into the phantom memory. */
while (buffer->state == NETXEN_BUFFER_FREE) {
- skb = dev_alloc_skb(rcv_desc->skb_size);
+ skb = dev_alloc_skb(rds_ring->skb_size);
if (unlikely(!skb)) {
/*
* We need to schedule the posting of buffers to the pegs.
*/
- rcv_desc->begin_alloc = index;
+ rds_ring->begin_alloc = index;
DPRINTK(ERR, "netxen_post_rx_buffers_nodb: "
" allocated only %d buffers\n", count);
break;
}
count++; /* now there should be no failure */
- pdesc = &rcv_desc->desc_head[producer];
+ pdesc = &rds_ring->desc_head[producer];
skb_reserve(skb, 2);
/*
* This will be setup when we receive the
@@ -1464,27 +1468,27 @@ static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter,
buffer->skb = skb;
buffer->state = NETXEN_BUFFER_BUSY;
buffer->dma = pci_map_single(pdev, skb->data,
- rcv_desc->dma_size,
+ rds_ring->dma_size,
PCI_DMA_FROMDEVICE);
/* make a rcv descriptor */
pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
- pdesc->buffer_length = cpu_to_le32(rcv_desc->dma_size);
+ pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
pdesc->addr_buffer = cpu_to_le64(buffer->dma);
producer =
- get_next_index(producer, rcv_desc->max_rx_desc_count);
- index = get_next_index(index, rcv_desc->max_rx_desc_count);
- buffer = &rcv_desc->rx_buf_arr[index];
+ get_next_index(producer, rds_ring->max_rx_desc_count);
+ index = get_next_index(index, rds_ring->max_rx_desc_count);
+ buffer = &rds_ring->rx_buf_arr[index];
}
/* if we did allocate buffers, then write the count to Phantom */
if (count) {
- rcv_desc->begin_alloc = index;
- rcv_desc->producer = producer;
+ rds_ring->begin_alloc = index;
+ rds_ring->producer = producer;
/* Window = 1 */
adapter->pci_write_normalize(adapter,
- rcv_desc->crb_rcv_producer,
- (producer-1) & (rcv_desc->max_rx_desc_count-1));
+ rds_ring->crb_rcv_producer,
+ (producer-1) & (rds_ring->max_rx_desc_count-1));
wmb();
}
}
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 2d0963f4d194..03d796d19ad9 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -151,22 +151,17 @@ static uint32_t msi_tgt_status[8] = {
ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
};
-static uint32_t sw_int_mask[4] = {
- CRB_SW_INT_MASK_0, CRB_SW_INT_MASK_1,
- CRB_SW_INT_MASK_2, CRB_SW_INT_MASK_3
-};
-
static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
static void netxen_nic_disable_int(struct netxen_adapter *adapter)
{
u32 mask = 0x7ff;
int retries = 32;
- int port = adapter->portnum;
int pci_fn = adapter->ahw.pci_func;
if (adapter->msi_mode != MSI_MODE_MULTIFUNC)
- adapter->pci_write_normalize(adapter, sw_int_mask[port], 0);
+ adapter->pci_write_normalize(adapter,
+ adapter->crb_intr_mask, 0);
if (adapter->intr_scheme != -1 &&
adapter->intr_scheme != INTR_SCHEME_PERPORT)
@@ -198,7 +193,6 @@ static void netxen_nic_disable_int(struct netxen_adapter *adapter)
static void netxen_nic_enable_int(struct netxen_adapter *adapter)
{
u32 mask;
- int port = adapter->portnum;
DPRINTK(1, INFO, "Entered ISR Enable \n");
@@ -219,7 +213,7 @@ static void netxen_nic_enable_int(struct netxen_adapter *adapter)
adapter->pci_write_immediate(adapter, ISR_INT_MASK, mask);
}
- adapter->pci_write_normalize(adapter, sw_int_mask[port], 0x1);
+ adapter->pci_write_normalize(adapter, adapter->crb_intr_mask, 0x1);
if (!NETXEN_IS_MSI_FAMILY(adapter)) {
mask = 0xbff;
@@ -710,10 +704,13 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter->status &= ~NETXEN_NETDEV_STATUS;
adapter->rx_csum = 1;
adapter->mc_enabled = 0;
- if (NX_IS_REVISION_P3(revision_id))
+ if (NX_IS_REVISION_P3(revision_id)) {
adapter->max_mc_count = 38;
- else
+ adapter->max_rds_rings = 2;
+ } else {
adapter->max_mc_count = 16;
+ adapter->max_rds_rings = 3;
+ }
netdev->open = netxen_nic_open;
netdev->stop = netxen_nic_close;
@@ -1081,7 +1078,7 @@ static int netxen_nic_open(struct net_device *netdev)
netxen_nic_update_cmd_consumer(adapter, 0);
for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++)
+ for (ring = 0; ring < adapter->max_rds_rings; ring++)
netxen_post_rx_buffers(adapter, ctx, ring);
}
if (NETXEN_IS_MSI_FAMILY(adapter))
diff --git a/drivers/net/netxen/netxen_nic_phan_reg.h b/drivers/net/netxen/netxen_nic_phan_reg.h
index 09d070512362..a63762394a83 100644
--- a/drivers/net/netxen/netxen_nic_phan_reg.h
+++ b/drivers/net/netxen/netxen_nic_phan_reg.h
@@ -161,8 +161,6 @@ struct netxen_recv_crb {
u32 crb_sts_consumer;
};
-extern struct netxen_recv_crb recv_crb_registers[];
-
/*
* Temperature control.
*/
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 20:05:31 +0100