2 * Copyright (C) 2003 - 2009 NetXen, Inc.
3 * Copyright (C) 2009 - QLogic Corporation.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.
26 #include <linux/vmalloc.h>
27 #include <linux/interrupt.h>
28 #include "netxen_nic_hw.h"
30 #include "netxen_nic.h"
32 #include <linux/dma-mapping.h>
33 #include <linux/if_vlan.h>
35 #include <linux/ipv6.h>
36 #include <linux/inetdevice.h>
38 MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver");
39 MODULE_LICENSE("GPL");
40 MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
42 char netxen_nic_driver_name[] = "netxen_nic";
43 static char netxen_nic_driver_string[] = "NetXen Network Driver version "
44 NETXEN_NIC_LINUX_VERSIONID;
46 static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
48 /* Default to restricted 1G auto-neg mode */
49 static int wol_port_mode = 5;
51 static int use_msi = 1;
53 static int use_msi_x = 1;
55 /* Local functions to NetXen NIC driver */
56 static int __devinit netxen_nic_probe(struct pci_dev *pdev,
57 const struct pci_device_id *ent);
58 static void __devexit netxen_nic_remove(struct pci_dev *pdev);
59 static int netxen_nic_open(struct net_device *netdev);
60 static int netxen_nic_close(struct net_device *netdev);
61 static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *,
63 static void netxen_tx_timeout(struct net_device *netdev);
64 static void netxen_tx_timeout_task(struct work_struct *work);
65 static void netxen_fw_poll_work(struct work_struct *work);
66 static void netxen_schedule_work(struct netxen_adapter *adapter,
67 work_func_t func, int delay);
68 static void netxen_cancel_fw_work(struct netxen_adapter *adapter);
69 static int netxen_nic_poll(struct napi_struct *napi, int budget);
70 #ifdef CONFIG_NET_POLL_CONTROLLER
71 static void netxen_nic_poll_controller(struct net_device *netdev);
74 static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
75 static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
77 static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter);
78 static int netxen_can_start_firmware(struct netxen_adapter *adapter);
80 static irqreturn_t netxen_intr(int irq, void *data);
81 static irqreturn_t netxen_msi_intr(int irq, void *data);
82 static irqreturn_t netxen_msix_intr(int irq, void *data);
84 static void netxen_config_indev_addr(struct net_device *dev, unsigned long);
86 /* PCI Device ID Table */
87 #define ENTRY(device) \
88 {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
89 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
91 static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
92 ENTRY(PCI_DEVICE_ID_NX2031_10GXSR),
93 ENTRY(PCI_DEVICE_ID_NX2031_10GCX4),
94 ENTRY(PCI_DEVICE_ID_NX2031_4GCU),
95 ENTRY(PCI_DEVICE_ID_NX2031_IMEZ),
96 ENTRY(PCI_DEVICE_ID_NX2031_HMEZ),
97 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT),
98 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2),
99 ENTRY(PCI_DEVICE_ID_NX3031),
103 MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
105 static uint32_t crb_cmd_producer[4] = {
106 CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
107 CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
111 netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
112 struct nx_host_tx_ring *tx_ring)
114 NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer);
116 if (netxen_tx_avail(tx_ring) <= TX_STOP_THRESH) {
117 netif_stop_queue(adapter->netdev);
122 static uint32_t crb_cmd_consumer[4] = {
123 CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1,
124 CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3
128 netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
129 struct nx_host_tx_ring *tx_ring)
131 NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer);
134 static uint32_t msi_tgt_status[8] = {
135 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
136 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
137 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
138 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
141 static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
143 static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring)
145 struct netxen_adapter *adapter = sds_ring->adapter;
147 NXWRIO(adapter, sds_ring->crb_intr_mask, 0);
150 static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring)
152 struct netxen_adapter *adapter = sds_ring->adapter;
154 NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1);
156 if (!NETXEN_IS_MSI_FAMILY(adapter))
157 NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff);
161 netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count)
163 int size = sizeof(struct nx_host_sds_ring) * count;
165 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
167 return (recv_ctx->sds_rings == NULL);
171 netxen_free_sds_rings(struct netxen_recv_context *recv_ctx)
173 if (recv_ctx->sds_rings != NULL)
174 kfree(recv_ctx->sds_rings);
176 recv_ctx->sds_rings = NULL;
180 netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
183 struct nx_host_sds_ring *sds_ring;
184 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
186 if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
189 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
190 sds_ring = &recv_ctx->sds_rings[ring];
191 netif_napi_add(netdev, &sds_ring->napi,
192 netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
199 netxen_napi_del(struct netxen_adapter *adapter)
202 struct nx_host_sds_ring *sds_ring;
203 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
205 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
206 sds_ring = &recv_ctx->sds_rings[ring];
207 netif_napi_del(&sds_ring->napi);
210 netxen_free_sds_rings(&adapter->recv_ctx);
214 netxen_napi_enable(struct netxen_adapter *adapter)
217 struct nx_host_sds_ring *sds_ring;
218 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
220 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
221 sds_ring = &recv_ctx->sds_rings[ring];
222 napi_enable(&sds_ring->napi);
223 netxen_nic_enable_int(sds_ring);
228 netxen_napi_disable(struct netxen_adapter *adapter)
231 struct nx_host_sds_ring *sds_ring;
232 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
234 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
235 sds_ring = &recv_ctx->sds_rings[ring];
236 netxen_nic_disable_int(sds_ring);
237 napi_synchronize(&sds_ring->napi);
238 napi_disable(&sds_ring->napi);
242 static int nx_set_dma_mask(struct netxen_adapter *adapter)
244 struct pci_dev *pdev = adapter->pdev;
245 uint64_t mask, cmask;
247 adapter->pci_using_dac = 0;
249 mask = DMA_BIT_MASK(32);
250 cmask = DMA_BIT_MASK(32);
252 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
254 mask = DMA_BIT_MASK(35);
257 mask = DMA_BIT_MASK(39);
261 if (pci_set_dma_mask(pdev, mask) == 0 &&
262 pci_set_consistent_dma_mask(pdev, cmask) == 0) {
263 adapter->pci_using_dac = 1;
270 /* Update addressable range if firmware supports it */
272 nx_update_dma_mask(struct netxen_adapter *adapter)
274 int change, shift, err;
275 uint64_t mask, old_mask, old_cmask;
276 struct pci_dev *pdev = adapter->pdev;
280 shift = NXRD32(adapter, CRB_DMA_SHIFT);
284 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9))
286 else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4))
290 old_mask = pdev->dma_mask;
291 old_cmask = pdev->dev.coherent_dma_mask;
293 mask = DMA_BIT_MASK(32+shift);
295 err = pci_set_dma_mask(pdev, mask);
299 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
301 err = pci_set_consistent_dma_mask(pdev, mask);
305 dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift);
311 pci_set_dma_mask(pdev, old_mask);
312 pci_set_consistent_dma_mask(pdev, old_cmask);
317 netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
321 if (first_boot == 0x55555555) {
322 /* This is the first boot after power up */
323 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
325 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
328 /* PCI bus master workaround */
329 first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4));
330 if (!(first_boot & 0x4)) {
332 NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot);
333 first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4));
336 /* This is the first boot after power up */
337 first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET);
338 if (first_boot != 0x80000f) {
339 /* clear the register for future unloads/loads */
340 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0);
344 /* Start P2 boot loader */
345 val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
346 NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1);
350 val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
352 if (++timeout > 5000)
355 } while (val == NETXEN_BDINFO_MAGIC);
360 static void netxen_set_port_mode(struct netxen_adapter *adapter)
364 val = adapter->ahw.board_type;
365 if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
366 (val == NETXEN_BRDTYPE_P3_XG_LOM)) {
367 if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
368 data = NETXEN_PORT_MODE_802_3_AP;
369 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
370 } else if (port_mode == NETXEN_PORT_MODE_XG) {
371 data = NETXEN_PORT_MODE_XG;
372 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
373 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) {
374 data = NETXEN_PORT_MODE_AUTO_NEG_1G;
375 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
376 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) {
377 data = NETXEN_PORT_MODE_AUTO_NEG_XG;
378 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
380 data = NETXEN_PORT_MODE_AUTO_NEG;
381 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
384 if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) &&
385 (wol_port_mode != NETXEN_PORT_MODE_XG) &&
386 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) &&
387 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) {
388 wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG;
390 NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode);
394 static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
399 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
401 pci_read_config_dword(pdev, pos, &control);
403 control |= PCI_MSIX_FLAGS_ENABLE;
406 pci_write_config_dword(pdev, pos, control);
410 static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count)
414 for (i = 0; i < count; i++)
415 adapter->msix_entries[i].entry = i;
419 netxen_read_mac_addr(struct netxen_adapter *adapter)
424 struct net_device *netdev = adapter->netdev;
425 struct pci_dev *pdev = adapter->pdev;
427 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
428 if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
431 if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0)
435 p = (unsigned char *)&mac_addr;
436 for (i = 0; i < 6; i++)
437 netdev->dev_addr[i] = *(p + 5 - i);
439 memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
441 /* set station address */
443 if (!is_valid_ether_addr(netdev->perm_addr))
444 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr);
449 int netxen_nic_set_mac(struct net_device *netdev, void *p)
451 struct netxen_adapter *adapter = netdev_priv(netdev);
452 struct sockaddr *addr = p;
454 if (!is_valid_ether_addr(addr->sa_data))
457 if (netif_running(netdev)) {
458 netif_device_detach(netdev);
459 netxen_napi_disable(adapter);
462 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
463 adapter->macaddr_set(adapter, addr->sa_data);
465 if (netif_running(netdev)) {
466 netif_device_attach(netdev);
467 netxen_napi_enable(adapter);
472 static void netxen_set_multicast_list(struct net_device *dev)
474 struct netxen_adapter *adapter = netdev_priv(dev);
476 adapter->set_multi(dev);
479 static const struct net_device_ops netxen_netdev_ops = {
480 .ndo_open = netxen_nic_open,
481 .ndo_stop = netxen_nic_close,
482 .ndo_start_xmit = netxen_nic_xmit_frame,
483 .ndo_get_stats = netxen_nic_get_stats,
484 .ndo_validate_addr = eth_validate_addr,
485 .ndo_set_multicast_list = netxen_set_multicast_list,
486 .ndo_set_mac_address = netxen_nic_set_mac,
487 .ndo_change_mtu = netxen_nic_change_mtu,
488 .ndo_tx_timeout = netxen_tx_timeout,
489 #ifdef CONFIG_NET_POLL_CONTROLLER
490 .ndo_poll_controller = netxen_nic_poll_controller,
495 netxen_setup_intr(struct netxen_adapter *adapter)
497 struct netxen_legacy_intr_set *legacy_intrp;
498 struct pci_dev *pdev = adapter->pdev;
501 if (adapter->rss_supported) {
502 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
503 MSIX_ENTRIES_PER_ADAPTER : 2;
507 adapter->max_sds_rings = 1;
509 adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
511 if (adapter->ahw.revision_id >= NX_P3_B0)
512 legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
514 legacy_intrp = &legacy_intr[0];
516 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
517 adapter->tgt_status_reg = netxen_get_ioaddr(adapter,
518 legacy_intrp->tgt_status_reg);
519 adapter->tgt_mask_reg = netxen_get_ioaddr(adapter,
520 legacy_intrp->tgt_mask_reg);
521 adapter->pci_int_reg = netxen_get_ioaddr(adapter,
522 legacy_intrp->pci_int_reg);
523 adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR);
525 if (adapter->ahw.revision_id >= NX_P3_B1)
526 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
529 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
532 netxen_set_msix_bit(pdev, 0);
534 if (adapter->msix_supported) {
536 netxen_init_msix_entries(adapter, num_msix);
537 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
539 adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
540 netxen_set_msix_bit(pdev, 1);
542 if (adapter->rss_supported)
543 adapter->max_sds_rings = num_msix;
545 dev_info(&pdev->dev, "using msi-x interrupts\n");
550 pci_disable_msix(pdev);
552 /* fall through for msi */
555 if (use_msi && !pci_enable_msi(pdev)) {
556 adapter->flags |= NETXEN_NIC_MSI_ENABLED;
557 adapter->tgt_status_reg = netxen_get_ioaddr(adapter,
558 msi_tgt_status[adapter->ahw.pci_func]);
559 dev_info(&pdev->dev, "using msi interrupts\n");
560 adapter->msix_entries[0].vector = pdev->irq;
564 dev_info(&pdev->dev, "using legacy interrupts\n");
565 adapter->msix_entries[0].vector = pdev->irq;
569 netxen_teardown_intr(struct netxen_adapter *adapter)
571 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
572 pci_disable_msix(adapter->pdev);
573 if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
574 pci_disable_msi(adapter->pdev);
578 netxen_cleanup_pci_map(struct netxen_adapter *adapter)
580 if (adapter->ahw.db_base != NULL)
581 iounmap(adapter->ahw.db_base);
582 if (adapter->ahw.pci_base0 != NULL)
583 iounmap(adapter->ahw.pci_base0);
584 if (adapter->ahw.pci_base1 != NULL)
585 iounmap(adapter->ahw.pci_base1);
586 if (adapter->ahw.pci_base2 != NULL)
587 iounmap(adapter->ahw.pci_base2);
591 netxen_setup_pci_map(struct netxen_adapter *adapter)
593 void __iomem *mem_ptr0 = NULL;
594 void __iomem *mem_ptr1 = NULL;
595 void __iomem *mem_ptr2 = NULL;
596 void __iomem *db_ptr = NULL;
598 unsigned long mem_base, mem_len, db_base, db_len = 0, pci_len0 = 0;
600 struct pci_dev *pdev = adapter->pdev;
601 int pci_func = adapter->ahw.pci_func;
606 * Set the CRB window to invalid. If any register in window 0 is
607 * accessed it should set the window to 0 and then reset it to 1.
609 adapter->ahw.crb_win = -1;
610 adapter->ahw.ocm_win = -1;
612 /* remap phys address */
613 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
614 mem_len = pci_resource_len(pdev, 0);
616 /* 128 Meg of memory */
617 if (mem_len == NETXEN_PCI_128MB_SIZE) {
618 mem_ptr0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
619 mem_ptr1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
620 SECOND_PAGE_GROUP_SIZE);
621 mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
622 THIRD_PAGE_GROUP_SIZE);
623 pci_len0 = FIRST_PAGE_GROUP_SIZE;
624 } else if (mem_len == NETXEN_PCI_32MB_SIZE) {
625 mem_ptr1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
626 mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
627 SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
628 } else if (mem_len == NETXEN_PCI_2MB_SIZE) {
630 mem_ptr0 = pci_ioremap_bar(pdev, 0);
631 if (mem_ptr0 == NULL) {
632 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
640 netxen_setup_hwops(adapter);
642 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
644 adapter->ahw.pci_base0 = mem_ptr0;
645 adapter->ahw.pci_len0 = pci_len0;
646 adapter->ahw.pci_base1 = mem_ptr1;
647 adapter->ahw.pci_base2 = mem_ptr2;
649 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
650 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
651 NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
654 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
657 db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
658 db_len = pci_resource_len(pdev, 4);
661 printk(KERN_ERR "%s: doorbell is disabled\n",
662 netxen_nic_driver_name);
667 db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
669 printk(KERN_ERR "%s: Failed to allocate doorbell map.",
670 netxen_nic_driver_name);
676 adapter->ahw.db_base = db_ptr;
677 adapter->ahw.db_len = db_len;
681 netxen_cleanup_pci_map(adapter);
686 netxen_check_options(struct netxen_adapter *adapter)
688 u32 fw_major, fw_minor, fw_build;
689 char brd_name[NETXEN_MAX_SHORT_NAME];
693 struct pci_dev *pdev = adapter->pdev;
695 adapter->driver_mismatch = 0;
697 ptr32 = (int *)&serial_num;
698 offset = NX_FW_SERIAL_NUM_OFFSET;
699 for (i = 0; i < 8; i++) {
700 if (netxen_rom_fast_read(adapter, offset, &val) == -1) {
701 dev_err(&pdev->dev, "error reading board info\n");
702 adapter->driver_mismatch = 1;
705 ptr32[i] = cpu_to_le32(val);
706 offset += sizeof(u32);
709 fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
710 fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
711 fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
713 adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
715 if (adapter->portnum == 0) {
716 get_brd_name_by_type(adapter->ahw.board_type, brd_name);
718 printk(KERN_INFO "NetXen %s Board S/N %s Chip rev 0x%x\n",
719 brd_name, serial_num, adapter->ahw.revision_id);
722 if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) {
723 adapter->driver_mismatch = 1;
724 dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n",
725 fw_major, fw_minor, fw_build);
729 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
730 i = NXRD32(adapter, NETXEN_SRE_MISC);
731 adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0;
734 dev_info(&pdev->dev, "firmware v%d.%d.%d [%s]\n",
735 fw_major, fw_minor, fw_build,
736 adapter->ahw.cut_through ? "cut-through" : "legacy");
738 if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
739 adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
741 adapter->flags &= ~NETXEN_NIC_LRO_ENABLED;
743 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
744 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
745 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
746 } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
747 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
748 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
751 adapter->msix_supported = 0;
752 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
753 adapter->msix_supported = !!use_msi_x;
754 adapter->rss_supported = !!use_msi_x;
755 } else if (adapter->fw_version >= NETXEN_VERSION_CODE(3, 4, 336)) {
756 switch (adapter->ahw.board_type) {
757 case NETXEN_BRDTYPE_P2_SB31_10G:
758 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
759 adapter->msix_supported = !!use_msi_x;
760 adapter->rss_supported = !!use_msi_x;
767 adapter->num_txd = MAX_CMD_DESCRIPTORS;
769 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
770 adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
771 adapter->max_rds_rings = 3;
773 adapter->num_lro_rxd = 0;
774 adapter->max_rds_rings = 2;
779 netxen_start_firmware(struct netxen_adapter *adapter)
781 int val, err, first_boot;
782 struct pci_dev *pdev = adapter->pdev;
784 /* required for NX2031 dummy dma */
785 err = nx_set_dma_mask(adapter);
789 if (!netxen_can_start_firmware(adapter))
792 first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
794 err = netxen_check_hw_init(adapter, first_boot);
796 dev_err(&pdev->dev, "error in init HW init sequence\n");
800 netxen_request_firmware(adapter);
802 err = netxen_need_fw_reset(adapter);
808 if (first_boot != 0x55555555) {
809 NXWR32(adapter, CRB_CMDPEG_STATE, 0);
810 netxen_pinit_from_rom(adapter, 0);
814 NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555);
815 NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0);
816 NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0);
818 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
819 netxen_set_port_mode(adapter);
821 err = netxen_load_firmware(adapter);
825 netxen_release_firmware(adapter);
827 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
829 /* Initialize multicast addr pool owners */
831 if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
833 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
837 err = netxen_init_dummy_dma(adapter);
842 * Tell the hardware our version number.
844 val = (_NETXEN_NIC_LINUX_MAJOR << 16)
845 | ((_NETXEN_NIC_LINUX_MINOR << 8))
846 | (_NETXEN_NIC_LINUX_SUBVERSION);
847 NXWR32(adapter, CRB_DRIVER_VERSION, val);
850 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
853 /* Handshake with the card before we register the devices. */
854 err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
856 netxen_free_dummy_dma(adapter);
860 nx_update_dma_mask(adapter);
862 netxen_check_options(adapter);
864 adapter->need_fw_reset = 0;
866 /* fall through and release firmware */
869 netxen_release_firmware(adapter);
874 netxen_nic_request_irq(struct netxen_adapter *adapter)
876 irq_handler_t handler;
877 struct nx_host_sds_ring *sds_ring;
880 unsigned long flags = IRQF_SAMPLE_RANDOM;
881 struct net_device *netdev = adapter->netdev;
882 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
884 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
885 handler = netxen_msix_intr;
886 else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
887 handler = netxen_msi_intr;
889 flags |= IRQF_SHARED;
890 handler = netxen_intr;
892 adapter->irq = netdev->irq;
894 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
895 sds_ring = &recv_ctx->sds_rings[ring];
896 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
897 err = request_irq(sds_ring->irq, handler,
898 flags, sds_ring->name, sds_ring);
907 netxen_nic_free_irq(struct netxen_adapter *adapter)
910 struct nx_host_sds_ring *sds_ring;
912 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
914 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
915 sds_ring = &recv_ctx->sds_rings[ring];
916 free_irq(sds_ring->irq, sds_ring);
921 netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter)
923 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
924 adapter->coal.normal.data.rx_time_us =
925 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
926 adapter->coal.normal.data.rx_packets =
927 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
928 adapter->coal.normal.data.tx_time_us =
929 NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US;
930 adapter->coal.normal.data.tx_packets =
931 NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
935 netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
939 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
942 err = adapter->init_port(adapter, adapter->physical_port);
944 printk(KERN_ERR "%s: Failed to initialize port %d\n",
945 netxen_nic_driver_name, adapter->portnum);
948 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
949 adapter->macaddr_set(adapter, netdev->dev_addr);
951 adapter->set_multi(netdev);
952 adapter->set_mtu(adapter, netdev->mtu);
954 adapter->ahw.linkup = 0;
956 if (adapter->max_sds_rings > 1)
957 netxen_config_rss(adapter, 1);
959 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
960 netxen_config_intr_coalesce(adapter);
962 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
963 netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED);
965 netxen_napi_enable(adapter);
967 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
968 netxen_linkevent_request(adapter, 1);
970 netxen_nic_set_link_parameters(adapter);
972 set_bit(__NX_DEV_UP, &adapter->state);
977 netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
979 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
982 clear_bit(__NX_DEV_UP, &adapter->state);
984 spin_lock(&adapter->tx_clean_lock);
985 netif_carrier_off(netdev);
986 netif_tx_disable(netdev);
988 if (adapter->stop_port)
989 adapter->stop_port(adapter);
991 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
992 netxen_p3_free_mac_list(adapter);
994 adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
996 netxen_napi_disable(adapter);
998 netxen_release_tx_buffers(adapter);
999 spin_unlock(&adapter->tx_clean_lock);
1004 netxen_nic_attach(struct netxen_adapter *adapter)
1006 struct net_device *netdev = adapter->netdev;
1007 struct pci_dev *pdev = adapter->pdev;
1009 struct nx_host_rds_ring *rds_ring;
1010 struct nx_host_tx_ring *tx_ring;
1012 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
1015 err = netxen_init_firmware(adapter);
1019 err = netxen_napi_add(adapter, netdev);
1023 err = netxen_alloc_sw_resources(adapter);
1025 printk(KERN_ERR "%s: Error in setting sw resources\n",
1030 err = netxen_alloc_hw_resources(adapter);
1032 printk(KERN_ERR "%s: Error in setting hw resources\n",
1034 goto err_out_free_sw;
1037 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1038 tx_ring = adapter->tx_ring;
1039 tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
1040 crb_cmd_producer[adapter->portnum]);
1041 tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter,
1042 crb_cmd_consumer[adapter->portnum]);
1044 tx_ring->producer = 0;
1045 tx_ring->sw_consumer = 0;
1047 netxen_nic_update_cmd_producer(adapter, tx_ring);
1048 netxen_nic_update_cmd_consumer(adapter, tx_ring);
1051 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1052 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1053 netxen_post_rx_buffers(adapter, ring, rds_ring);
1056 err = netxen_nic_request_irq(adapter);
1058 dev_err(&pdev->dev, "%s: failed to setup interrupt\n",
1060 goto err_out_free_rxbuf;
1063 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1064 netxen_nic_init_coalesce_defaults(adapter);
1066 netxen_create_sysfs_entries(adapter);
1068 adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
1072 netxen_release_rx_buffers(adapter);
1073 netxen_free_hw_resources(adapter);
1075 netxen_free_sw_resources(adapter);
1080 netxen_nic_detach(struct netxen_adapter *adapter)
1082 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1085 netxen_remove_sysfs_entries(adapter);
1087 netxen_free_hw_resources(adapter);
1088 netxen_release_rx_buffers(adapter);
1089 netxen_nic_free_irq(adapter);
1090 netxen_napi_del(adapter);
1091 netxen_free_sw_resources(adapter);
1097 netxen_nic_reset_context(struct netxen_adapter *adapter)
1100 struct net_device *netdev = adapter->netdev;
1102 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
1105 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
1107 netif_device_detach(netdev);
1109 if (netif_running(netdev))
1110 netxen_nic_down(adapter, netdev);
1112 netxen_nic_detach(adapter);
1114 if (netif_running(netdev)) {
1115 err = netxen_nic_attach(adapter);
1117 err = netxen_nic_up(adapter, netdev);
1123 netif_device_attach(netdev);
1127 clear_bit(__NX_RESETTING, &adapter->state);
1132 netxen_setup_netdev(struct netxen_adapter *adapter,
1133 struct net_device *netdev)
1136 struct pci_dev *pdev = adapter->pdev;
1138 adapter->rx_csum = 1;
1139 adapter->mc_enabled = 0;
1140 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1141 adapter->max_mc_count = 38;
1143 adapter->max_mc_count = 16;
1145 netdev->netdev_ops = &netxen_netdev_ops;
1146 netdev->watchdog_timeo = 2*HZ;
1148 netxen_nic_change_mtu(netdev, netdev->mtu);
1150 SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
1152 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
1153 netdev->features |= (NETIF_F_GRO);
1154 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
1156 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
1157 netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
1158 netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
1161 if (adapter->pci_using_dac) {
1162 netdev->features |= NETIF_F_HIGHDMA;
1163 netdev->vlan_features |= NETIF_F_HIGHDMA;
1166 if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX)
1167 netdev->features |= (NETIF_F_HW_VLAN_TX);
1169 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
1170 netdev->features |= NETIF_F_LRO;
1172 netdev->irq = adapter->msix_entries[0].vector;
1174 INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
1176 if (netxen_read_mac_addr(adapter))
1177 dev_warn(&pdev->dev, "failed to read mac addr\n");
1179 netif_carrier_off(netdev);
1180 netif_stop_queue(netdev);
1182 err = register_netdev(netdev);
1184 dev_err(&pdev->dev, "failed to register net device\n");
1191 static int __devinit
1192 netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1194 struct net_device *netdev = NULL;
1195 struct netxen_adapter *adapter = NULL;
1197 int pci_func_id = PCI_FUNC(pdev->devfn);
1198 uint8_t revision_id;
1200 if (pdev->class != 0x020000) {
1201 printk(KERN_DEBUG "NetXen function %d, class %x will not "
1202 "be enabled.\n",pci_func_id, pdev->class);
1206 if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) {
1207 printk(KERN_WARNING "NetXen chip revisions between 0x%x-0x%x"
1208 "will not be enabled.\n",
1209 NX_P3_A0, NX_P3_B1);
1213 if ((err = pci_enable_device(pdev)))
1216 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1218 goto err_out_disable_pdev;
1221 if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
1222 goto err_out_disable_pdev;
1224 pci_set_master(pdev);
1226 netdev = alloc_etherdev(sizeof(struct netxen_adapter));
1228 dev_err(&pdev->dev, "failed to allocate net_device\n");
1230 goto err_out_free_res;
1233 SET_NETDEV_DEV(netdev, &pdev->dev);
1235 adapter = netdev_priv(netdev);
1236 adapter->netdev = netdev;
1237 adapter->pdev = pdev;
1238 adapter->ahw.pci_func = pci_func_id;
1240 revision_id = pdev->revision;
1241 adapter->ahw.revision_id = revision_id;
1243 rwlock_init(&adapter->adapter_lock);
1244 spin_lock_init(&adapter->tx_clean_lock);
1245 INIT_LIST_HEAD(&adapter->mac_list);
1247 err = netxen_setup_pci_map(adapter);
1249 goto err_out_free_netdev;
1251 /* This will be reset for mezz cards */
1252 adapter->portnum = pci_func_id;
1254 err = netxen_nic_get_board_info(adapter);
1256 dev_err(&pdev->dev, "Error getting board config info.\n");
1257 goto err_out_iounmap;
1260 /* Mezz cards have PCI function 0,2,3 enabled */
1261 switch (adapter->ahw.board_type) {
1262 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1263 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1264 if (pci_func_id >= 2)
1265 adapter->portnum = pci_func_id - 2;
1271 err = netxen_start_firmware(adapter);
1273 goto err_out_iounmap;
1276 * See if the firmware gave us a virtual-physical port mapping.
1278 adapter->physical_port = adapter->portnum;
1279 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1280 i = NXRD32(adapter, CRB_V2P(adapter->portnum));
1281 if (i != 0x55555555)
1282 adapter->physical_port = i;
1285 netxen_nic_clear_stats(adapter);
1287 netxen_setup_intr(adapter);
1289 err = netxen_setup_netdev(adapter, netdev);
1291 goto err_out_disable_msi;
1293 pci_set_drvdata(pdev, adapter);
1295 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1297 switch (adapter->ahw.port_type) {
1298 case NETXEN_NIC_GBE:
1299 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1300 adapter->netdev->name);
1302 case NETXEN_NIC_XGBE:
1303 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1304 adapter->netdev->name);
1310 err_out_disable_msi:
1311 netxen_teardown_intr(adapter);
1313 netxen_free_dummy_dma(adapter);
1315 nx_decr_dev_ref_cnt(adapter);
1318 netxen_cleanup_pci_map(adapter);
1320 err_out_free_netdev:
1321 free_netdev(netdev);
1324 pci_release_regions(pdev);
1326 err_out_disable_pdev:
1327 pci_set_drvdata(pdev, NULL);
1328 pci_disable_device(pdev);
1332 static void __devexit netxen_nic_remove(struct pci_dev *pdev)
1334 struct netxen_adapter *adapter;
1335 struct net_device *netdev;
1337 adapter = pci_get_drvdata(pdev);
1338 if (adapter == NULL)
1341 netdev = adapter->netdev;
1343 netxen_cancel_fw_work(adapter);
1345 unregister_netdev(netdev);
1347 cancel_work_sync(&adapter->tx_timeout_task);
1349 netxen_nic_detach(adapter);
1351 nx_decr_dev_ref_cnt(adapter);
1353 if (adapter->portnum == 0)
1354 netxen_free_dummy_dma(adapter);
1356 clear_bit(__NX_RESETTING, &adapter->state);
1358 netxen_teardown_intr(adapter);
1360 netxen_cleanup_pci_map(adapter);
1362 netxen_release_firmware(adapter);
1364 pci_release_regions(pdev);
1365 pci_disable_device(pdev);
1366 pci_set_drvdata(pdev, NULL);
1368 free_netdev(netdev);
1370 static int __netxen_nic_shutdown(struct pci_dev *pdev)
1372 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1373 struct net_device *netdev = adapter->netdev;
1376 netif_device_detach(netdev);
1378 netxen_cancel_fw_work(adapter);
1380 if (netif_running(netdev))
1381 netxen_nic_down(adapter, netdev);
1383 cancel_work_sync(&adapter->tx_timeout_task);
1385 netxen_nic_detach(adapter);
1387 if (adapter->portnum == 0)
1388 netxen_free_dummy_dma(adapter);
1390 nx_decr_dev_ref_cnt(adapter);
1392 clear_bit(__NX_RESETTING, &adapter->state);
1394 retval = pci_save_state(pdev);
1398 if (netxen_nic_wol_supported(adapter)) {
1399 pci_enable_wake(pdev, PCI_D3cold, 1);
1400 pci_enable_wake(pdev, PCI_D3hot, 1);
1403 pci_disable_device(pdev);
1407 static void netxen_nic_shutdown(struct pci_dev *pdev)
1409 if (__netxen_nic_shutdown(pdev))
1414 netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
1418 retval = __netxen_nic_shutdown(pdev);
1422 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1427 netxen_nic_resume(struct pci_dev *pdev)
1429 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1430 struct net_device *netdev = adapter->netdev;
1433 pci_set_power_state(pdev, PCI_D0);
1434 pci_restore_state(pdev);
1436 err = pci_enable_device(pdev);
1440 adapter->ahw.crb_win = -1;
1441 adapter->ahw.ocm_win = -1;
1443 err = netxen_start_firmware(adapter);
1445 dev_err(&pdev->dev, "failed to start firmware\n");
1449 if (netif_running(netdev)) {
1450 err = netxen_nic_attach(adapter);
1454 err = netxen_nic_up(adapter, netdev);
1456 goto err_out_detach;
1458 netif_device_attach(netdev);
1460 netxen_config_indev_addr(netdev, NETDEV_UP);
1463 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1467 netxen_nic_detach(adapter);
1469 nx_decr_dev_ref_cnt(adapter);
1474 static int netxen_nic_open(struct net_device *netdev)
1476 struct netxen_adapter *adapter = netdev_priv(netdev);
1479 if (adapter->driver_mismatch)
1482 err = netxen_nic_attach(adapter);
1486 err = netxen_nic_up(adapter, netdev);
1490 netif_start_queue(netdev);
1495 netxen_nic_detach(adapter);
1500 * netxen_nic_close - Disables a network interface entry point
1502 static int netxen_nic_close(struct net_device *netdev)
1504 struct netxen_adapter *adapter = netdev_priv(netdev);
1506 netxen_nic_down(adapter, netdev);
1511 netxen_tso_check(struct net_device *netdev,
1512 struct nx_host_tx_ring *tx_ring,
1513 struct cmd_desc_type0 *first_desc,
1514 struct sk_buff *skb)
1516 u8 opcode = TX_ETHER_PKT;
1517 __be16 protocol = skb->protocol;
1518 u16 flags = 0, vid = 0;
1520 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1521 struct cmd_desc_type0 *hwdesc;
1522 struct vlan_ethhdr *vh;
1524 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
1526 vh = (struct vlan_ethhdr *)skb->data;
1527 protocol = vh->h_vlan_encapsulated_proto;
1528 flags = FLAGS_VLAN_TAGGED;
1530 } else if (vlan_tx_tag_present(skb)) {
1532 flags = FLAGS_VLAN_OOB;
1533 vid = vlan_tx_tag_get(skb);
1534 netxen_set_tx_vlan_tci(first_desc, vid);
1538 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1539 skb_shinfo(skb)->gso_size > 0) {
1541 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1543 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1544 first_desc->total_hdr_length = hdr_len;
1546 first_desc->total_hdr_length += VLAN_HLEN;
1547 first_desc->tcp_hdr_offset = VLAN_HLEN;
1548 first_desc->ip_hdr_offset = VLAN_HLEN;
1549 /* Only in case of TSO on vlan device */
1550 flags |= FLAGS_VLAN_TAGGED;
1553 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1554 TX_TCP_LSO6 : TX_TCP_LSO;
1557 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1560 if (protocol == cpu_to_be16(ETH_P_IP)) {
1561 l4proto = ip_hdr(skb)->protocol;
1563 if (l4proto == IPPROTO_TCP)
1564 opcode = TX_TCP_PKT;
1565 else if(l4proto == IPPROTO_UDP)
1566 opcode = TX_UDP_PKT;
1567 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1568 l4proto = ipv6_hdr(skb)->nexthdr;
1570 if (l4proto == IPPROTO_TCP)
1571 opcode = TX_TCPV6_PKT;
1572 else if(l4proto == IPPROTO_UDP)
1573 opcode = TX_UDPV6_PKT;
1577 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1578 first_desc->ip_hdr_offset += skb_network_offset(skb);
1579 netxen_set_tx_flags_opcode(first_desc, flags, opcode);
1584 /* For LSO, we need to copy the MAC/IP/TCP headers into
1585 * the descriptor ring
1587 producer = tx_ring->producer;
1592 /* Create a TSO vlan header template for firmware */
1594 hwdesc = &tx_ring->desc_head[producer];
1595 tx_ring->cmd_buf_arr[producer].skb = NULL;
1597 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1598 hdr_len + VLAN_HLEN);
1600 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1601 skb_copy_from_linear_data(skb, vh, 12);
1602 vh->h_vlan_proto = htons(ETH_P_8021Q);
1603 vh->h_vlan_TCI = htons(vid);
1604 skb_copy_from_linear_data_offset(skb, 12,
1605 (char *)vh + 16, copy_len - 16);
1607 copied = copy_len - VLAN_HLEN;
1610 producer = get_next_index(producer, tx_ring->num_desc);
1613 while (copied < hdr_len) {
1615 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1616 (hdr_len - copied));
1618 hwdesc = &tx_ring->desc_head[producer];
1619 tx_ring->cmd_buf_arr[producer].skb = NULL;
1621 skb_copy_from_linear_data_offset(skb, copied,
1622 (char *)hwdesc + offset, copy_len);
1627 producer = get_next_index(producer, tx_ring->num_desc);
1630 tx_ring->producer = producer;
1635 netxen_map_tx_skb(struct pci_dev *pdev,
1636 struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
1638 struct netxen_skb_frag *nf;
1639 struct skb_frag_struct *frag;
1643 nr_frags = skb_shinfo(skb)->nr_frags;
1644 nf = &pbuf->frag_array[0];
1646 map = pci_map_single(pdev, skb->data,
1647 skb_headlen(skb), PCI_DMA_TODEVICE);
1648 if (pci_dma_mapping_error(pdev, map))
1652 nf->length = skb_headlen(skb);
1654 for (i = 0; i < nr_frags; i++) {
1655 frag = &skb_shinfo(skb)->frags[i];
1656 nf = &pbuf->frag_array[i+1];
1658 map = pci_map_page(pdev, frag->page, frag->page_offset,
1659 frag->size, PCI_DMA_TODEVICE);
1660 if (pci_dma_mapping_error(pdev, map))
1664 nf->length = frag->size;
1671 nf = &pbuf->frag_array[i+1];
1672 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
1675 nf = &pbuf->frag_array[0];
1676 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
1683 netxen_clear_cmddesc(u64 *desc)
1690 netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
1692 struct netxen_adapter *adapter = netdev_priv(netdev);
1693 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
1694 struct netxen_cmd_buffer *pbuf;
1695 struct netxen_skb_frag *buffrag;
1696 struct cmd_desc_type0 *hwdesc, *first_desc;
1697 struct pci_dev *pdev;
1701 int frag_count, no_of_desc;
1702 u32 num_txd = tx_ring->num_desc;
1704 frag_count = skb_shinfo(skb)->nr_frags + 1;
1706 /* 4 fragments per cmd des */
1707 no_of_desc = (frag_count + 3) >> 2;
1709 if (unlikely(no_of_desc + 2 > netxen_tx_avail(tx_ring))) {
1710 netif_stop_queue(netdev);
1711 return NETDEV_TX_BUSY;
1714 producer = tx_ring->producer;
1715 pbuf = &tx_ring->cmd_buf_arr[producer];
1717 pdev = adapter->pdev;
1719 if (netxen_map_tx_skb(pdev, skb, pbuf))
1723 pbuf->frag_count = frag_count;
1725 first_desc = hwdesc = &tx_ring->desc_head[producer];
1726 netxen_clear_cmddesc((u64 *)hwdesc);
1728 netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
1729 netxen_set_tx_port(first_desc, adapter->portnum);
1731 for (i = 0; i < frag_count; i++) {
1735 if ((k == 0) && (i > 0)) {
1736 /* move to next desc.*/
1737 producer = get_next_index(producer, num_txd);
1738 hwdesc = &tx_ring->desc_head[producer];
1739 netxen_clear_cmddesc((u64 *)hwdesc);
1740 tx_ring->cmd_buf_arr[producer].skb = NULL;
1743 buffrag = &pbuf->frag_array[i];
1745 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
1748 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
1751 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
1754 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
1757 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
1762 tx_ring->producer = get_next_index(producer, num_txd);
1764 netxen_tso_check(netdev, tx_ring, first_desc, skb);
1766 netxen_nic_update_cmd_producer(adapter, tx_ring);
1768 adapter->stats.txbytes += skb->len;
1769 adapter->stats.xmitcalled++;
1771 return NETDEV_TX_OK;
1774 adapter->stats.txdropped++;
1775 dev_kfree_skb_any(skb);
1776 return NETDEV_TX_OK;
1779 static int netxen_nic_check_temp(struct netxen_adapter *adapter)
1781 struct net_device *netdev = adapter->netdev;
1782 uint32_t temp, temp_state, temp_val;
1785 temp = NXRD32(adapter, CRB_TEMP_STATE);
1787 temp_state = nx_get_temp_state(temp);
1788 temp_val = nx_get_temp_val(temp);
1790 if (temp_state == NX_TEMP_PANIC) {
1792 "%s: Device temperature %d degrees C exceeds"
1793 " maximum allowed. Hardware has been shut down.\n",
1794 netdev->name, temp_val);
1796 } else if (temp_state == NX_TEMP_WARN) {
1797 if (adapter->temp == NX_TEMP_NORMAL) {
1799 "%s: Device temperature %d degrees C "
1800 "exceeds operating range."
1801 " Immediate action needed.\n",
1802 netdev->name, temp_val);
1805 if (adapter->temp == NX_TEMP_WARN) {
1807 "%s: Device temperature is now %d degrees C"
1808 " in normal range.\n", netdev->name,
1812 adapter->temp = temp_state;
1816 void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
1818 struct net_device *netdev = adapter->netdev;
1820 if (adapter->ahw.linkup && !linkup) {
1821 printk(KERN_INFO "%s: %s NIC Link is down\n",
1822 netxen_nic_driver_name, netdev->name);
1823 adapter->ahw.linkup = 0;
1824 if (netif_running(netdev)) {
1825 netif_carrier_off(netdev);
1826 netif_stop_queue(netdev);
1828 adapter->link_changed = !adapter->has_link_events;
1829 } else if (!adapter->ahw.linkup && linkup) {
1830 printk(KERN_INFO "%s: %s NIC Link is up\n",
1831 netxen_nic_driver_name, netdev->name);
1832 adapter->ahw.linkup = 1;
1833 if (netif_running(netdev)) {
1834 netif_carrier_on(netdev);
1835 netif_wake_queue(netdev);
1837 adapter->link_changed = !adapter->has_link_events;
1841 static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
1843 u32 val, port, linkup;
1845 port = adapter->physical_port;
1847 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
1848 val = NXRD32(adapter, CRB_XG_STATE_P3);
1849 val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
1850 linkup = (val == XG_LINK_UP_P3);
1852 val = NXRD32(adapter, CRB_XG_STATE);
1853 if (adapter->ahw.port_type == NETXEN_NIC_GBE)
1854 linkup = (val >> port) & 1;
1856 val = (val >> port*8) & 0xff;
1857 linkup = (val == XG_LINK_UP);
1861 netxen_advert_link_change(adapter, linkup);
1864 static void netxen_tx_timeout(struct net_device *netdev)
1866 struct netxen_adapter *adapter = netdev_priv(netdev);
1868 if (test_bit(__NX_RESETTING, &adapter->state))
1871 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
1872 schedule_work(&adapter->tx_timeout_task);
1875 static void netxen_tx_timeout_task(struct work_struct *work)
1877 struct netxen_adapter *adapter =
1878 container_of(work, struct netxen_adapter, tx_timeout_task);
1880 if (!netif_running(adapter->netdev))
1883 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
1886 if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
1889 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1890 /* try to scrub interrupt */
1891 netxen_napi_disable(adapter);
1893 adapter->netdev->trans_start = jiffies;
1895 netxen_napi_enable(adapter);
1897 netif_wake_queue(adapter->netdev);
1899 clear_bit(__NX_RESETTING, &adapter->state);
1902 clear_bit(__NX_RESETTING, &adapter->state);
1903 if (!netxen_nic_reset_context(adapter)) {
1904 adapter->netdev->trans_start = jiffies;
1908 /* context reset failed, fall through for fw reset */
1912 adapter->need_fw_reset = 1;
1915 struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev)
1917 struct netxen_adapter *adapter = netdev_priv(netdev);
1918 struct net_device_stats *stats = &netdev->stats;
1920 memset(stats, 0, sizeof(*stats));
1922 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
1923 stats->tx_packets = adapter->stats.xmitfinished;
1924 stats->rx_bytes = adapter->stats.rxbytes;
1925 stats->tx_bytes = adapter->stats.txbytes;
1926 stats->rx_dropped = adapter->stats.rxdropped;
1927 stats->tx_dropped = adapter->stats.txdropped;
1932 static irqreturn_t netxen_intr(int irq, void *data)
1934 struct nx_host_sds_ring *sds_ring = data;
1935 struct netxen_adapter *adapter = sds_ring->adapter;
1938 status = readl(adapter->isr_int_vec);
1940 if (!(status & adapter->int_vec_bit))
1943 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
1944 /* check interrupt state machine, to be sure */
1945 status = readl(adapter->crb_int_state_reg);
1946 if (!ISR_LEGACY_INT_TRIGGERED(status))
1950 unsigned long our_int = 0;
1952 our_int = readl(adapter->crb_int_state_reg);
1954 /* not our interrupt */
1955 if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
1958 /* claim interrupt */
1959 writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
1961 /* clear interrupt */
1962 netxen_nic_disable_int(sds_ring);
1965 writel(0xffffffff, adapter->tgt_status_reg);
1966 /* read twice to ensure write is flushed */
1967 readl(adapter->isr_int_vec);
1968 readl(adapter->isr_int_vec);
1970 napi_schedule(&sds_ring->napi);
1975 static irqreturn_t netxen_msi_intr(int irq, void *data)
1977 struct nx_host_sds_ring *sds_ring = data;
1978 struct netxen_adapter *adapter = sds_ring->adapter;
1980 /* clear interrupt */
1981 writel(0xffffffff, adapter->tgt_status_reg);
1983 napi_schedule(&sds_ring->napi);
1987 static irqreturn_t netxen_msix_intr(int irq, void *data)
1989 struct nx_host_sds_ring *sds_ring = data;
1991 napi_schedule(&sds_ring->napi);
1995 static int netxen_nic_poll(struct napi_struct *napi, int budget)
1997 struct nx_host_sds_ring *sds_ring =
1998 container_of(napi, struct nx_host_sds_ring, napi);
2000 struct netxen_adapter *adapter = sds_ring->adapter;
2005 tx_complete = netxen_process_cmd_ring(adapter);
2007 work_done = netxen_process_rcv_ring(sds_ring, budget);
2009 if ((work_done < budget) && tx_complete) {
2010 napi_complete(&sds_ring->napi);
2011 if (netif_running(adapter->netdev))
2012 netxen_nic_enable_int(sds_ring);
2018 #ifdef CONFIG_NET_POLL_CONTROLLER
2019 static void netxen_nic_poll_controller(struct net_device *netdev)
2021 struct netxen_adapter *adapter = netdev_priv(netdev);
2022 disable_irq(adapter->irq);
2023 netxen_intr(adapter->irq, adapter);
2024 enable_irq(adapter->irq);
2029 nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
2032 if (netxen_api_lock(adapter))
2035 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2037 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2039 netxen_api_unlock(adapter);
2044 nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
2047 if (netxen_api_lock(adapter))
2050 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2051 WARN_ON(count == 0);
2053 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2056 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2058 netxen_api_unlock(adapter);
2063 nx_dev_request_reset(struct netxen_adapter *adapter)
2067 if (netxen_api_lock(adapter))
2070 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2072 if (state != NX_DEV_INITALIZING)
2073 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
2075 netxen_api_unlock(adapter);
2079 netxen_can_start_firmware(struct netxen_adapter *adapter)
2084 if (netxen_api_lock(adapter))
2087 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2089 if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
2094 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
2097 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2099 netxen_api_unlock(adapter);
2105 netxen_schedule_work(struct netxen_adapter *adapter,
2106 work_func_t func, int delay)
2108 INIT_DELAYED_WORK(&adapter->fw_work, func);
2109 schedule_delayed_work(&adapter->fw_work, delay);
2113 netxen_cancel_fw_work(struct netxen_adapter *adapter)
2115 while (test_and_set_bit(__NX_RESETTING, &adapter->state))
2118 cancel_delayed_work_sync(&adapter->fw_work);
2122 netxen_attach_work(struct work_struct *work)
2124 struct netxen_adapter *adapter = container_of(work,
2125 struct netxen_adapter, fw_work.work);
2126 struct net_device *netdev = adapter->netdev;
2129 if (netif_running(netdev)) {
2130 err = netxen_nic_attach(adapter);
2134 err = netxen_nic_up(adapter, netdev);
2136 netxen_nic_detach(adapter);
2140 netxen_config_indev_addr(netdev, NETDEV_UP);
2143 netif_device_attach(netdev);
2146 adapter->fw_fail_cnt = 0;
2147 clear_bit(__NX_RESETTING, &adapter->state);
2148 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2152 netxen_fwinit_work(struct work_struct *work)
2154 struct netxen_adapter *adapter = container_of(work,
2155 struct netxen_adapter, fw_work.work);
2158 dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
2160 switch (dev_state) {
2163 if (!netxen_start_firmware(adapter)) {
2164 netxen_schedule_work(adapter, netxen_attach_work, 0);
2169 case NX_DEV_INITALIZING:
2170 if (++adapter->fw_wait_cnt < FW_POLL_THRESH) {
2171 netxen_schedule_work(adapter,
2172 netxen_fwinit_work, 2 * FW_POLL_DELAY);
2182 nx_incr_dev_ref_cnt(adapter);
2183 clear_bit(__NX_RESETTING, &adapter->state);
2187 netxen_detach_work(struct work_struct *work)
2189 struct netxen_adapter *adapter = container_of(work,
2190 struct netxen_adapter, fw_work.work);
2191 struct net_device *netdev = adapter->netdev;
2195 netif_device_detach(netdev);
2197 if (netif_running(netdev))
2198 netxen_nic_down(adapter, netdev);
2200 netxen_nic_detach(adapter);
2202 status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2204 ref_cnt = nx_decr_dev_ref_cnt(adapter);
2206 if (status & NX_RCODE_FATAL_ERROR)
2209 if (adapter->temp == NX_TEMP_PANIC)
2212 delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
2214 adapter->fw_wait_cnt = 0;
2215 netxen_schedule_work(adapter, netxen_fwinit_work, delay);
2219 netxen_check_health(struct netxen_adapter *adapter)
2221 u32 state, heartbit;
2222 struct net_device *netdev = adapter->netdev;
2224 if (netxen_nic_check_temp(adapter))
2227 if (adapter->need_fw_reset) {
2228 nx_dev_request_reset(adapter);
2232 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2233 if (state == NX_DEV_NEED_RESET)
2236 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2239 heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
2240 if (heartbit != adapter->heartbit) {
2241 adapter->heartbit = heartbit;
2242 adapter->fw_fail_cnt = 0;
2246 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2249 clear_bit(__NX_FW_ATTACHED, &adapter->state);
2251 dev_info(&netdev->dev, "firmware hang detected\n");
2254 if (!test_and_set_bit(__NX_RESETTING, &adapter->state))
2255 netxen_schedule_work(adapter, netxen_detach_work, 0);
2260 netxen_fw_poll_work(struct work_struct *work)
2262 struct netxen_adapter *adapter = container_of(work,
2263 struct netxen_adapter, fw_work.work);
2265 if (test_bit(__NX_RESETTING, &adapter->state))
2268 if (test_bit(__NX_DEV_UP, &adapter->state)) {
2269 if (!adapter->has_link_events) {
2271 netxen_nic_handle_phy_intr(adapter);
2273 if (adapter->link_changed)
2274 netxen_nic_set_link_parameters(adapter);
2278 if (netxen_check_health(adapter))
2282 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2286 netxen_store_bridged_mode(struct device *dev,
2287 struct device_attribute *attr, const char *buf, size_t len)
2289 struct net_device *net = to_net_dev(dev);
2290 struct netxen_adapter *adapter = netdev_priv(net);
2294 if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
2297 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2300 if (strict_strtoul(buf, 2, &new))
2303 if (!netxen_config_bridged_mode(adapter, !!new))
2311 netxen_show_bridged_mode(struct device *dev,
2312 struct device_attribute *attr, char *buf)
2314 struct net_device *net = to_net_dev(dev);
2315 struct netxen_adapter *adapter;
2316 int bridged_mode = 0;
2318 adapter = netdev_priv(net);
2320 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2321 bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
2323 return sprintf(buf, "%d\n", bridged_mode);
2326 static struct device_attribute dev_attr_bridged_mode = {
2327 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
2328 .show = netxen_show_bridged_mode,
2329 .store = netxen_store_bridged_mode,
2333 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
2335 struct net_device *netdev = adapter->netdev;
2336 struct device *dev = &netdev->dev;
2338 if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
2339 /* bridged_mode control */
2340 if (device_create_file(dev, &dev_attr_bridged_mode)) {
2341 dev_warn(&netdev->dev,
2342 "failed to create bridged_mode sysfs entry\n");
2348 netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
2350 struct net_device *netdev = adapter->netdev;
2351 struct device *dev = &netdev->dev;
2353 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2354 device_remove_file(dev, &dev_attr_bridged_mode);
2359 #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
2362 netxen_destip_supported(struct netxen_adapter *adapter)
2364 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2367 if (adapter->ahw.cut_through)
2374 netxen_config_indev_addr(struct net_device *dev, unsigned long event)
2376 struct in_device *indev;
2377 struct netxen_adapter *adapter = netdev_priv(dev);
2379 if (!netxen_destip_supported(adapter))
2382 indev = in_dev_get(dev);
2389 netxen_config_ipaddr(adapter,
2390 ifa->ifa_address, NX_IP_UP);
2393 netxen_config_ipaddr(adapter,
2394 ifa->ifa_address, NX_IP_DOWN);
2399 } endfor_ifa(indev);
2405 static int netxen_netdev_event(struct notifier_block *this,
2406 unsigned long event, void *ptr)
2408 struct netxen_adapter *adapter;
2409 struct net_device *dev = (struct net_device *)ptr;
2415 if (dev->priv_flags & IFF_802_1Q_VLAN) {
2416 dev = vlan_dev_real_dev(dev);
2420 if (!is_netxen_netdev(dev))
2423 adapter = netdev_priv(dev);
2428 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2431 netxen_config_indev_addr(dev, event);
2437 netxen_inetaddr_event(struct notifier_block *this,
2438 unsigned long event, void *ptr)
2440 struct netxen_adapter *adapter;
2441 struct net_device *dev;
2443 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
2445 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
2448 if (dev == NULL || !netif_running(dev))
2451 if (dev->priv_flags & IFF_802_1Q_VLAN) {
2452 dev = vlan_dev_real_dev(dev);
2456 if (!is_netxen_netdev(dev))
2459 adapter = netdev_priv(dev);
2461 if (!adapter || !netxen_destip_supported(adapter))
2464 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2469 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
2472 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN);
2482 static struct notifier_block netxen_netdev_cb = {
2483 .notifier_call = netxen_netdev_event,
2486 static struct notifier_block netxen_inetaddr_cb = {
2487 .notifier_call = netxen_inetaddr_event,
2491 netxen_config_indev_addr(struct net_device *dev, unsigned long event)
2495 static struct pci_driver netxen_driver = {
2496 .name = netxen_nic_driver_name,
2497 .id_table = netxen_pci_tbl,
2498 .probe = netxen_nic_probe,
2499 .remove = __devexit_p(netxen_nic_remove),
2501 .suspend = netxen_nic_suspend,
2502 .resume = netxen_nic_resume,
2504 .shutdown = netxen_nic_shutdown
2507 static int __init netxen_init_module(void)
2509 printk(KERN_INFO "%s\n", netxen_nic_driver_string);
2512 register_netdevice_notifier(&netxen_netdev_cb);
2513 register_inetaddr_notifier(&netxen_inetaddr_cb);
2516 return pci_register_driver(&netxen_driver);
2519 module_init(netxen_init_module);
2521 static void __exit netxen_exit_module(void)
2523 pci_unregister_driver(&netxen_driver);
2526 unregister_inetaddr_notifier(&netxen_inetaddr_cb);
2527 unregister_netdevice_notifier(&netxen_netdev_cb);
2531 module_exit(netxen_exit_module);