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 "COPYING".
26 #include <linux/slab.h>
27 #include <linux/vmalloc.h>
28 #include <linux/interrupt.h>
29 #include "netxen_nic_hw.h"
31 #include "netxen_nic.h"
33 #include <linux/dma-mapping.h>
34 #include <linux/if_vlan.h>
36 #include <linux/ipv6.h>
37 #include <linux/inetdevice.h>
38 #include <linux/sysfs.h>
39 #include <linux/aer.h>
41 MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Intelligent Ethernet Driver");
42 MODULE_LICENSE("GPL");
43 MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
44 MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME);
46 char netxen_nic_driver_name[] = "netxen_nic";
47 static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v"
48 NETXEN_NIC_LINUX_VERSIONID;
50 static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
52 /* Default to restricted 1G auto-neg mode */
53 static int wol_port_mode = 5;
55 static int use_msi = 1;
57 static int use_msi_x = 1;
59 static int auto_fw_reset = AUTO_FW_RESET_ENABLED;
60 module_param(auto_fw_reset, int, 0644);
61 MODULE_PARM_DESC(auto_fw_reset,"Auto firmware reset (0=disabled, 1=enabled");
63 static int netxen_nic_probe(struct pci_dev *pdev,
64 const struct pci_device_id *ent);
65 static void netxen_nic_remove(struct pci_dev *pdev);
66 static int netxen_nic_open(struct net_device *netdev);
67 static int netxen_nic_close(struct net_device *netdev);
68 static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *,
70 static void netxen_tx_timeout(struct net_device *netdev);
71 static void netxen_tx_timeout_task(struct work_struct *work);
72 static void netxen_fw_poll_work(struct work_struct *work);
73 static void netxen_schedule_work(struct netxen_adapter *adapter,
74 work_func_t func, int delay);
75 static void netxen_cancel_fw_work(struct netxen_adapter *adapter);
76 static int netxen_nic_poll(struct napi_struct *napi, int budget);
77 #ifdef CONFIG_NET_POLL_CONTROLLER
78 static void netxen_nic_poll_controller(struct net_device *netdev);
81 static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
82 static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
83 static void netxen_create_diag_entries(struct netxen_adapter *adapter);
84 static void netxen_remove_diag_entries(struct netxen_adapter *adapter);
85 static int nx_dev_request_aer(struct netxen_adapter *adapter);
86 static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter);
87 static int netxen_can_start_firmware(struct netxen_adapter *adapter);
89 static irqreturn_t netxen_intr(int irq, void *data);
90 static irqreturn_t netxen_msi_intr(int irq, void *data);
91 static irqreturn_t netxen_msix_intr(int irq, void *data);
93 static void netxen_free_vlan_ip_list(struct netxen_adapter *);
94 static void netxen_restore_indev_addr(struct net_device *dev, unsigned long);
95 static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *dev,
96 struct rtnl_link_stats64 *stats);
97 static int netxen_nic_set_mac(struct net_device *netdev, void *p);
99 /* PCI Device ID Table */
100 #define ENTRY(device) \
101 {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
102 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
104 static DEFINE_PCI_DEVICE_TABLE(netxen_pci_tbl) = {
105 ENTRY(PCI_DEVICE_ID_NX2031_10GXSR),
106 ENTRY(PCI_DEVICE_ID_NX2031_10GCX4),
107 ENTRY(PCI_DEVICE_ID_NX2031_4GCU),
108 ENTRY(PCI_DEVICE_ID_NX2031_IMEZ),
109 ENTRY(PCI_DEVICE_ID_NX2031_HMEZ),
110 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT),
111 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2),
112 ENTRY(PCI_DEVICE_ID_NX3031),
116 MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
118 static uint32_t crb_cmd_producer[4] = {
119 CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
120 CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
124 netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
125 struct nx_host_tx_ring *tx_ring)
127 NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer);
130 static uint32_t crb_cmd_consumer[4] = {
131 CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1,
132 CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3
136 netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
137 struct nx_host_tx_ring *tx_ring)
139 NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer);
142 static uint32_t msi_tgt_status[8] = {
143 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
144 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
145 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
146 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
149 static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
151 static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring)
153 struct netxen_adapter *adapter = sds_ring->adapter;
155 NXWRIO(adapter, sds_ring->crb_intr_mask, 0);
158 static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring)
160 struct netxen_adapter *adapter = sds_ring->adapter;
162 NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1);
164 if (!NETXEN_IS_MSI_FAMILY(adapter))
165 NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff);
169 netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count)
171 int size = sizeof(struct nx_host_sds_ring) * count;
173 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
175 return recv_ctx->sds_rings == NULL;
179 netxen_free_sds_rings(struct netxen_recv_context *recv_ctx)
181 if (recv_ctx->sds_rings != NULL)
182 kfree(recv_ctx->sds_rings);
184 recv_ctx->sds_rings = NULL;
188 netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
191 struct nx_host_sds_ring *sds_ring;
192 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
194 if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
197 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
198 sds_ring = &recv_ctx->sds_rings[ring];
199 netif_napi_add(netdev, &sds_ring->napi,
200 netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
207 netxen_napi_del(struct netxen_adapter *adapter)
210 struct nx_host_sds_ring *sds_ring;
211 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
213 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
214 sds_ring = &recv_ctx->sds_rings[ring];
215 netif_napi_del(&sds_ring->napi);
218 netxen_free_sds_rings(&adapter->recv_ctx);
222 netxen_napi_enable(struct netxen_adapter *adapter)
225 struct nx_host_sds_ring *sds_ring;
226 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
228 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
229 sds_ring = &recv_ctx->sds_rings[ring];
230 napi_enable(&sds_ring->napi);
231 netxen_nic_enable_int(sds_ring);
236 netxen_napi_disable(struct netxen_adapter *adapter)
239 struct nx_host_sds_ring *sds_ring;
240 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
242 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
243 sds_ring = &recv_ctx->sds_rings[ring];
244 netxen_nic_disable_int(sds_ring);
245 napi_synchronize(&sds_ring->napi);
246 napi_disable(&sds_ring->napi);
250 static int nx_set_dma_mask(struct netxen_adapter *adapter)
252 struct pci_dev *pdev = adapter->pdev;
253 uint64_t mask, cmask;
255 adapter->pci_using_dac = 0;
257 mask = DMA_BIT_MASK(32);
258 cmask = DMA_BIT_MASK(32);
260 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
262 mask = DMA_BIT_MASK(35);
265 mask = DMA_BIT_MASK(39);
269 if (pci_set_dma_mask(pdev, mask) == 0 &&
270 pci_set_consistent_dma_mask(pdev, cmask) == 0) {
271 adapter->pci_using_dac = 1;
278 /* Update addressable range if firmware supports it */
280 nx_update_dma_mask(struct netxen_adapter *adapter)
282 int change, shift, err;
283 uint64_t mask, old_mask, old_cmask;
284 struct pci_dev *pdev = adapter->pdev;
288 shift = NXRD32(adapter, CRB_DMA_SHIFT);
292 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9))
294 else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4))
298 old_mask = pdev->dma_mask;
299 old_cmask = pdev->dev.coherent_dma_mask;
301 mask = DMA_BIT_MASK(32+shift);
303 err = pci_set_dma_mask(pdev, mask);
307 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
309 err = pci_set_consistent_dma_mask(pdev, mask);
313 dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift);
319 pci_set_dma_mask(pdev, old_mask);
320 pci_set_consistent_dma_mask(pdev, old_cmask);
325 netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
329 if (first_boot == 0x55555555) {
330 /* This is the first boot after power up */
331 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
333 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
336 /* PCI bus master workaround */
337 first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4));
338 if (!(first_boot & 0x4)) {
340 NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot);
341 NXRD32(adapter, NETXEN_PCIE_REG(0x4));
344 /* This is the first boot after power up */
345 first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET);
346 if (first_boot != 0x80000f) {
347 /* clear the register for future unloads/loads */
348 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0);
352 /* Start P2 boot loader */
353 val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
354 NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1);
358 val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
360 if (++timeout > 5000)
363 } while (val == NETXEN_BDINFO_MAGIC);
368 static void netxen_set_port_mode(struct netxen_adapter *adapter)
372 val = adapter->ahw.board_type;
373 if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
374 (val == NETXEN_BRDTYPE_P3_XG_LOM)) {
375 if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
376 data = NETXEN_PORT_MODE_802_3_AP;
377 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
378 } else if (port_mode == NETXEN_PORT_MODE_XG) {
379 data = NETXEN_PORT_MODE_XG;
380 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
381 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) {
382 data = NETXEN_PORT_MODE_AUTO_NEG_1G;
383 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
384 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) {
385 data = NETXEN_PORT_MODE_AUTO_NEG_XG;
386 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
388 data = NETXEN_PORT_MODE_AUTO_NEG;
389 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
392 if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) &&
393 (wol_port_mode != NETXEN_PORT_MODE_XG) &&
394 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) &&
395 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) {
396 wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG;
398 NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode);
402 #define PCI_CAP_ID_GEN 0x10
404 static void netxen_pcie_strap_init(struct netxen_adapter *adapter)
411 struct pci_dev *pdev;
413 pdev = adapter->pdev;
415 chicken = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3));
416 /* clear chicken3.25:24 */
417 chicken &= 0xFCFFFFFF;
419 * if gen1 and B0, set F1020 - if gen 2, do nothing
420 * if gen2 set to F1000
422 pos = pci_find_capability(pdev, PCI_CAP_ID_GEN);
424 pci_read_config_dword(pdev, pos + 0x10, &control);
425 if ((control & 0x000F0000) != 0x00020000) {
426 /* set chicken3.24 if gen1 */
427 chicken |= 0x01000000;
429 dev_info(&adapter->pdev->dev, "Gen2 strapping detected\n");
432 /* set chicken3.24 if gen1 */
433 chicken |= 0x01000000;
434 dev_info(&adapter->pdev->dev, "Gen1 strapping detected\n");
435 if (adapter->ahw.revision_id == NX_P3_B0)
441 NXWR32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3), chicken);
446 pdevfuncsave = pdev->devfn;
447 if (pdevfuncsave & 0x07)
450 for (i = 0; i < 8; i++) {
451 pci_read_config_dword(pdev, pos + 8, &control);
452 pci_read_config_dword(pdev, pos + 8, &control);
453 pci_write_config_dword(pdev, pos + 8, c8c9value);
456 pdev->devfn = pdevfuncsave;
459 static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
464 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
466 pci_read_config_dword(pdev, pos, &control);
468 control |= PCI_MSIX_FLAGS_ENABLE;
471 pci_write_config_dword(pdev, pos, control);
475 static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count)
479 for (i = 0; i < count; i++)
480 adapter->msix_entries[i].entry = i;
484 netxen_read_mac_addr(struct netxen_adapter *adapter)
489 struct net_device *netdev = adapter->netdev;
490 struct pci_dev *pdev = adapter->pdev;
492 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
493 if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
496 if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0)
500 p = (unsigned char *)&mac_addr;
501 for (i = 0; i < 6; i++)
502 netdev->dev_addr[i] = *(p + 5 - i);
504 memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
505 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
507 /* set station address */
509 if (!is_valid_ether_addr(netdev->perm_addr))
510 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr);
515 static int netxen_nic_set_mac(struct net_device *netdev, void *p)
517 struct netxen_adapter *adapter = netdev_priv(netdev);
518 struct sockaddr *addr = p;
520 if (!is_valid_ether_addr(addr->sa_data))
521 return -EADDRNOTAVAIL;
523 if (netif_running(netdev)) {
524 netif_device_detach(netdev);
525 netxen_napi_disable(adapter);
528 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
529 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
530 adapter->macaddr_set(adapter, addr->sa_data);
532 if (netif_running(netdev)) {
533 netif_device_attach(netdev);
534 netxen_napi_enable(adapter);
539 static void netxen_set_multicast_list(struct net_device *dev)
541 struct netxen_adapter *adapter = netdev_priv(dev);
543 adapter->set_multi(dev);
546 static netdev_features_t netxen_fix_features(struct net_device *dev,
547 netdev_features_t features)
549 if (!(features & NETIF_F_RXCSUM)) {
550 netdev_info(dev, "disabling LRO as RXCSUM is off\n");
552 features &= ~NETIF_F_LRO;
558 static int netxen_set_features(struct net_device *dev,
559 netdev_features_t features)
561 struct netxen_adapter *adapter = netdev_priv(dev);
564 if (!((dev->features ^ features) & NETIF_F_LRO))
567 hw_lro = (features & NETIF_F_LRO) ? NETXEN_NIC_LRO_ENABLED
568 : NETXEN_NIC_LRO_DISABLED;
570 if (netxen_config_hw_lro(adapter, hw_lro))
573 if (!(features & NETIF_F_LRO) && netxen_send_lro_cleanup(adapter))
579 static const struct net_device_ops netxen_netdev_ops = {
580 .ndo_open = netxen_nic_open,
581 .ndo_stop = netxen_nic_close,
582 .ndo_start_xmit = netxen_nic_xmit_frame,
583 .ndo_get_stats64 = netxen_nic_get_stats,
584 .ndo_validate_addr = eth_validate_addr,
585 .ndo_set_rx_mode = netxen_set_multicast_list,
586 .ndo_set_mac_address = netxen_nic_set_mac,
587 .ndo_change_mtu = netxen_nic_change_mtu,
588 .ndo_tx_timeout = netxen_tx_timeout,
589 .ndo_fix_features = netxen_fix_features,
590 .ndo_set_features = netxen_set_features,
591 #ifdef CONFIG_NET_POLL_CONTROLLER
592 .ndo_poll_controller = netxen_nic_poll_controller,
597 netxen_setup_intr(struct netxen_adapter *adapter)
599 struct netxen_legacy_intr_set *legacy_intrp;
600 struct pci_dev *pdev = adapter->pdev;
603 if (adapter->rss_supported) {
604 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
605 MSIX_ENTRIES_PER_ADAPTER : 2;
609 adapter->max_sds_rings = 1;
611 adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
613 if (adapter->ahw.revision_id >= NX_P3_B0)
614 legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
616 legacy_intrp = &legacy_intr[0];
618 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
619 adapter->tgt_status_reg = netxen_get_ioaddr(adapter,
620 legacy_intrp->tgt_status_reg);
621 adapter->tgt_mask_reg = netxen_get_ioaddr(adapter,
622 legacy_intrp->tgt_mask_reg);
623 adapter->pci_int_reg = netxen_get_ioaddr(adapter,
624 legacy_intrp->pci_int_reg);
625 adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR);
627 if (adapter->ahw.revision_id >= NX_P3_B1)
628 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
631 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
634 netxen_set_msix_bit(pdev, 0);
636 if (adapter->msix_supported) {
638 netxen_init_msix_entries(adapter, num_msix);
639 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
641 adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
642 netxen_set_msix_bit(pdev, 1);
644 if (adapter->rss_supported)
645 adapter->max_sds_rings = num_msix;
647 dev_info(&pdev->dev, "using msi-x interrupts\n");
652 pci_disable_msix(pdev);
654 /* fall through for msi */
657 if (use_msi && !pci_enable_msi(pdev)) {
658 adapter->flags |= NETXEN_NIC_MSI_ENABLED;
659 adapter->tgt_status_reg = netxen_get_ioaddr(adapter,
660 msi_tgt_status[adapter->ahw.pci_func]);
661 dev_info(&pdev->dev, "using msi interrupts\n");
662 adapter->msix_entries[0].vector = pdev->irq;
666 dev_info(&pdev->dev, "using legacy interrupts\n");
667 adapter->msix_entries[0].vector = pdev->irq;
671 netxen_teardown_intr(struct netxen_adapter *adapter)
673 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
674 pci_disable_msix(adapter->pdev);
675 if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
676 pci_disable_msi(adapter->pdev);
680 netxen_cleanup_pci_map(struct netxen_adapter *adapter)
682 if (adapter->ahw.db_base != NULL)
683 iounmap(adapter->ahw.db_base);
684 if (adapter->ahw.pci_base0 != NULL)
685 iounmap(adapter->ahw.pci_base0);
686 if (adapter->ahw.pci_base1 != NULL)
687 iounmap(adapter->ahw.pci_base1);
688 if (adapter->ahw.pci_base2 != NULL)
689 iounmap(adapter->ahw.pci_base2);
693 netxen_setup_pci_map(struct netxen_adapter *adapter)
695 void __iomem *db_ptr = NULL;
697 resource_size_t mem_base, db_base;
698 unsigned long mem_len, db_len = 0;
700 struct pci_dev *pdev = adapter->pdev;
701 int pci_func = adapter->ahw.pci_func;
702 struct netxen_hardware_context *ahw = &adapter->ahw;
707 * Set the CRB window to invalid. If any register in window 0 is
708 * accessed it should set the window to 0 and then reset it to 1.
710 adapter->ahw.crb_win = -1;
711 adapter->ahw.ocm_win = -1;
713 /* remap phys address */
714 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
715 mem_len = pci_resource_len(pdev, 0);
717 /* 128 Meg of memory */
718 if (mem_len == NETXEN_PCI_128MB_SIZE) {
720 ahw->pci_base0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
721 ahw->pci_base1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
722 SECOND_PAGE_GROUP_SIZE);
723 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
724 THIRD_PAGE_GROUP_SIZE);
725 if (ahw->pci_base0 == NULL || ahw->pci_base1 == NULL ||
726 ahw->pci_base2 == NULL) {
727 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
732 ahw->pci_len0 = FIRST_PAGE_GROUP_SIZE;
734 } else if (mem_len == NETXEN_PCI_32MB_SIZE) {
736 ahw->pci_base1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
737 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
738 SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
739 if (ahw->pci_base1 == NULL || ahw->pci_base2 == NULL) {
740 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
745 } else if (mem_len == NETXEN_PCI_2MB_SIZE) {
747 ahw->pci_base0 = pci_ioremap_bar(pdev, 0);
748 if (ahw->pci_base0 == NULL) {
749 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
752 ahw->pci_len0 = mem_len;
757 netxen_setup_hwops(adapter);
759 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
761 if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
762 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
763 NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
765 } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
766 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
767 NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
770 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
773 db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
774 db_len = pci_resource_len(pdev, 4);
777 printk(KERN_ERR "%s: doorbell is disabled\n",
778 netxen_nic_driver_name);
783 db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
785 printk(KERN_ERR "%s: Failed to allocate doorbell map.",
786 netxen_nic_driver_name);
792 adapter->ahw.db_base = db_ptr;
793 adapter->ahw.db_len = db_len;
797 netxen_cleanup_pci_map(adapter);
802 netxen_check_options(struct netxen_adapter *adapter)
804 u32 fw_major, fw_minor, fw_build, prev_fw_version;
805 char brd_name[NETXEN_MAX_SHORT_NAME];
807 int i, offset, val, err;
809 struct pci_dev *pdev = adapter->pdev;
811 adapter->driver_mismatch = 0;
813 ptr32 = (__le32 *)&serial_num;
814 offset = NX_FW_SERIAL_NUM_OFFSET;
815 for (i = 0; i < 8; i++) {
816 if (netxen_rom_fast_read(adapter, offset, &val) == -1) {
817 dev_err(&pdev->dev, "error reading board info\n");
818 adapter->driver_mismatch = 1;
821 ptr32[i] = cpu_to_le32(val);
822 offset += sizeof(u32);
825 fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
826 fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
827 fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
828 prev_fw_version = adapter->fw_version;
829 adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
831 /* Get FW Mini Coredump template and store it */
832 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
833 if (adapter->mdump.md_template == NULL ||
834 adapter->fw_version > prev_fw_version) {
835 kfree(adapter->mdump.md_template);
836 adapter->mdump.md_template = NULL;
837 err = netxen_setup_minidump(adapter);
839 dev_err(&adapter->pdev->dev,
840 "Failed to setup minidump rcode = %d\n", err);
844 if (adapter->portnum == 0) {
845 get_brd_name_by_type(adapter->ahw.board_type, brd_name);
847 pr_info("%s: %s Board S/N %s Chip rev 0x%x\n",
848 module_name(THIS_MODULE),
849 brd_name, serial_num, adapter->ahw.revision_id);
852 if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) {
853 adapter->driver_mismatch = 1;
854 dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n",
855 fw_major, fw_minor, fw_build);
859 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
860 i = NXRD32(adapter, NETXEN_SRE_MISC);
861 adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0;
864 dev_info(&pdev->dev, "firmware v%d.%d.%d [%s]\n",
865 fw_major, fw_minor, fw_build,
866 adapter->ahw.cut_through ? "cut-through" : "legacy");
868 if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
869 adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
871 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
872 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
873 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
874 } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
875 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
876 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
879 adapter->msix_supported = 0;
880 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
881 adapter->msix_supported = !!use_msi_x;
882 adapter->rss_supported = !!use_msi_x;
885 netxen_rom_fast_read(adapter,
886 NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
887 flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
889 if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) {
890 switch (adapter->ahw.board_type) {
891 case NETXEN_BRDTYPE_P2_SB31_10G:
892 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
893 adapter->msix_supported = !!use_msi_x;
894 adapter->rss_supported = !!use_msi_x;
902 adapter->num_txd = MAX_CMD_DESCRIPTORS;
904 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
905 adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
906 adapter->max_rds_rings = 3;
908 adapter->num_lro_rxd = 0;
909 adapter->max_rds_rings = 2;
914 netxen_start_firmware(struct netxen_adapter *adapter)
916 int val, err, first_boot;
917 struct pci_dev *pdev = adapter->pdev;
919 /* required for NX2031 dummy dma */
920 err = nx_set_dma_mask(adapter);
924 err = netxen_can_start_firmware(adapter);
932 first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
934 err = netxen_check_hw_init(adapter, first_boot);
936 dev_err(&pdev->dev, "error in init HW init sequence\n");
940 netxen_request_firmware(adapter);
942 err = netxen_need_fw_reset(adapter);
946 goto pcie_strap_init;
948 if (first_boot != 0x55555555) {
949 NXWR32(adapter, CRB_CMDPEG_STATE, 0);
950 netxen_pinit_from_rom(adapter);
954 NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555);
955 NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0);
956 NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0);
958 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
959 netxen_set_port_mode(adapter);
961 err = netxen_load_firmware(adapter);
965 netxen_release_firmware(adapter);
967 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
969 /* Initialize multicast addr pool owners */
971 if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
973 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
977 err = netxen_init_dummy_dma(adapter);
982 * Tell the hardware our version number.
984 val = (_NETXEN_NIC_LINUX_MAJOR << 16)
985 | ((_NETXEN_NIC_LINUX_MINOR << 8))
986 | (_NETXEN_NIC_LINUX_SUBVERSION);
987 NXWR32(adapter, CRB_DRIVER_VERSION, val);
990 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
991 netxen_pcie_strap_init(adapter);
994 /* Handshake with the card before we register the devices. */
995 err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
997 netxen_free_dummy_dma(adapter);
1001 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
1003 nx_update_dma_mask(adapter);
1005 netxen_check_options(adapter);
1007 adapter->need_fw_reset = 0;
1009 /* fall through and release firmware */
1012 netxen_release_firmware(adapter);
1017 netxen_nic_request_irq(struct netxen_adapter *adapter)
1019 irq_handler_t handler;
1020 struct nx_host_sds_ring *sds_ring;
1023 unsigned long flags = 0;
1024 struct net_device *netdev = adapter->netdev;
1025 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1027 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
1028 handler = netxen_msix_intr;
1029 else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
1030 handler = netxen_msi_intr;
1032 flags |= IRQF_SHARED;
1033 handler = netxen_intr;
1035 adapter->irq = netdev->irq;
1037 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1038 sds_ring = &recv_ctx->sds_rings[ring];
1039 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1040 err = request_irq(sds_ring->irq, handler,
1041 flags, sds_ring->name, sds_ring);
1050 netxen_nic_free_irq(struct netxen_adapter *adapter)
1053 struct nx_host_sds_ring *sds_ring;
1055 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1057 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1058 sds_ring = &recv_ctx->sds_rings[ring];
1059 free_irq(sds_ring->irq, sds_ring);
1064 netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter)
1066 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
1067 adapter->coal.normal.data.rx_time_us =
1068 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
1069 adapter->coal.normal.data.rx_packets =
1070 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
1071 adapter->coal.normal.data.tx_time_us =
1072 NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US;
1073 adapter->coal.normal.data.tx_packets =
1074 NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
1077 /* with rtnl_lock */
1079 __netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1083 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1086 err = adapter->init_port(adapter, adapter->physical_port);
1088 printk(KERN_ERR "%s: Failed to initialize port %d\n",
1089 netxen_nic_driver_name, adapter->portnum);
1092 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
1093 adapter->macaddr_set(adapter, adapter->mac_addr);
1095 adapter->set_multi(netdev);
1096 adapter->set_mtu(adapter, netdev->mtu);
1098 adapter->ahw.linkup = 0;
1100 if (adapter->max_sds_rings > 1)
1101 netxen_config_rss(adapter, 1);
1103 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1104 netxen_config_intr_coalesce(adapter);
1106 if (netdev->features & NETIF_F_LRO)
1107 netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED);
1109 netxen_napi_enable(adapter);
1111 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1112 netxen_linkevent_request(adapter, 1);
1114 netxen_nic_set_link_parameters(adapter);
1116 set_bit(__NX_DEV_UP, &adapter->state);
1120 /* Usage: During resume and firmware recovery module.*/
1123 netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1128 if (netif_running(netdev))
1129 err = __netxen_nic_up(adapter, netdev);
1135 /* with rtnl_lock */
1137 __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1139 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1142 if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state))
1146 spin_lock(&adapter->tx_clean_lock);
1147 netif_carrier_off(netdev);
1148 netif_tx_disable(netdev);
1150 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1151 netxen_linkevent_request(adapter, 0);
1153 if (adapter->stop_port)
1154 adapter->stop_port(adapter);
1156 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1157 netxen_p3_free_mac_list(adapter);
1159 adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
1161 netxen_napi_disable(adapter);
1163 netxen_release_tx_buffers(adapter);
1164 spin_unlock(&adapter->tx_clean_lock);
1167 /* Usage: During suspend and firmware recovery module */
1170 netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1173 if (netif_running(netdev))
1174 __netxen_nic_down(adapter, netdev);
1180 netxen_nic_attach(struct netxen_adapter *adapter)
1182 struct net_device *netdev = adapter->netdev;
1183 struct pci_dev *pdev = adapter->pdev;
1185 struct nx_host_rds_ring *rds_ring;
1186 struct nx_host_tx_ring *tx_ring;
1189 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
1192 err = netxen_init_firmware(adapter);
1196 adapter->flags &= ~NETXEN_FW_MSS_CAP;
1197 if (adapter->capabilities & NX_FW_CAPABILITY_MORE_CAPS) {
1198 capab2 = NXRD32(adapter, CRB_FW_CAPABILITIES_2);
1199 if (capab2 & NX_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1200 adapter->flags |= NETXEN_FW_MSS_CAP;
1203 err = netxen_napi_add(adapter, netdev);
1207 err = netxen_alloc_sw_resources(adapter);
1209 printk(KERN_ERR "%s: Error in setting sw resources\n",
1214 err = netxen_alloc_hw_resources(adapter);
1216 printk(KERN_ERR "%s: Error in setting hw resources\n",
1218 goto err_out_free_sw;
1221 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1222 tx_ring = adapter->tx_ring;
1223 tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
1224 crb_cmd_producer[adapter->portnum]);
1225 tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter,
1226 crb_cmd_consumer[adapter->portnum]);
1228 tx_ring->producer = 0;
1229 tx_ring->sw_consumer = 0;
1231 netxen_nic_update_cmd_producer(adapter, tx_ring);
1232 netxen_nic_update_cmd_consumer(adapter, tx_ring);
1235 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1236 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1237 netxen_post_rx_buffers(adapter, ring, rds_ring);
1240 err = netxen_nic_request_irq(adapter);
1242 dev_err(&pdev->dev, "%s: failed to setup interrupt\n",
1244 goto err_out_free_rxbuf;
1247 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1248 netxen_nic_init_coalesce_defaults(adapter);
1250 netxen_create_sysfs_entries(adapter);
1252 adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
1256 netxen_release_rx_buffers(adapter);
1257 netxen_free_hw_resources(adapter);
1259 netxen_free_sw_resources(adapter);
1264 netxen_nic_detach(struct netxen_adapter *adapter)
1266 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1269 netxen_remove_sysfs_entries(adapter);
1271 netxen_free_hw_resources(adapter);
1272 netxen_release_rx_buffers(adapter);
1273 netxen_nic_free_irq(adapter);
1274 netxen_napi_del(adapter);
1275 netxen_free_sw_resources(adapter);
1281 netxen_nic_reset_context(struct netxen_adapter *adapter)
1284 struct net_device *netdev = adapter->netdev;
1286 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
1289 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
1291 netif_device_detach(netdev);
1293 if (netif_running(netdev))
1294 __netxen_nic_down(adapter, netdev);
1296 netxen_nic_detach(adapter);
1298 if (netif_running(netdev)) {
1299 err = netxen_nic_attach(adapter);
1301 err = __netxen_nic_up(adapter, netdev);
1307 netif_device_attach(netdev);
1311 clear_bit(__NX_RESETTING, &adapter->state);
1316 netxen_setup_netdev(struct netxen_adapter *adapter,
1317 struct net_device *netdev)
1320 struct pci_dev *pdev = adapter->pdev;
1322 adapter->mc_enabled = 0;
1323 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1324 adapter->max_mc_count = 38;
1326 adapter->max_mc_count = 16;
1328 netdev->netdev_ops = &netxen_netdev_ops;
1329 netdev->watchdog_timeo = 5*HZ;
1331 netxen_nic_change_mtu(netdev, netdev->mtu);
1333 SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
1335 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
1338 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1339 netdev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
1341 netdev->vlan_features |= netdev->hw_features;
1343 if (adapter->pci_using_dac) {
1344 netdev->features |= NETIF_F_HIGHDMA;
1345 netdev->vlan_features |= NETIF_F_HIGHDMA;
1348 if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX)
1349 netdev->hw_features |= NETIF_F_HW_VLAN_TX;
1351 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
1352 netdev->hw_features |= NETIF_F_LRO;
1354 netdev->features |= netdev->hw_features;
1356 netdev->irq = adapter->msix_entries[0].vector;
1358 INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
1360 if (netxen_read_mac_addr(adapter))
1361 dev_warn(&pdev->dev, "failed to read mac addr\n");
1363 netif_carrier_off(netdev);
1365 err = register_netdev(netdev);
1367 dev_err(&pdev->dev, "failed to register net device\n");
1374 #ifdef CONFIG_PCIEAER
1375 static void netxen_mask_aer_correctable(struct netxen_adapter *adapter)
1377 struct pci_dev *pdev = adapter->pdev;
1378 struct pci_dev *root = pdev->bus->self;
1385 if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM &&
1386 adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP)
1389 if (pci_pcie_type(root) != PCI_EXP_TYPE_ROOT_PORT)
1392 aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR);
1396 pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff);
1401 netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1403 struct net_device *netdev = NULL;
1404 struct netxen_adapter *adapter = NULL;
1406 int pci_func_id = PCI_FUNC(pdev->devfn);
1407 uint8_t revision_id;
1410 if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
1411 pr_warning("%s: chip revisions between 0x%x-0x%x "
1412 "will not be enabled.\n",
1413 module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
1417 if ((err = pci_enable_device(pdev)))
1420 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1422 goto err_out_disable_pdev;
1425 if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
1426 goto err_out_disable_pdev;
1428 if (NX_IS_REVISION_P3(pdev->revision))
1429 pci_enable_pcie_error_reporting(pdev);
1431 pci_set_master(pdev);
1433 netdev = alloc_etherdev(sizeof(struct netxen_adapter));
1436 goto err_out_free_res;
1439 SET_NETDEV_DEV(netdev, &pdev->dev);
1441 adapter = netdev_priv(netdev);
1442 adapter->netdev = netdev;
1443 adapter->pdev = pdev;
1444 adapter->ahw.pci_func = pci_func_id;
1446 revision_id = pdev->revision;
1447 adapter->ahw.revision_id = revision_id;
1449 rwlock_init(&adapter->ahw.crb_lock);
1450 spin_lock_init(&adapter->ahw.mem_lock);
1452 spin_lock_init(&adapter->tx_clean_lock);
1453 INIT_LIST_HEAD(&adapter->mac_list);
1454 INIT_LIST_HEAD(&adapter->vlan_ip_list);
1456 err = netxen_setup_pci_map(adapter);
1458 goto err_out_free_netdev;
1460 /* This will be reset for mezz cards */
1461 adapter->portnum = pci_func_id;
1463 err = netxen_nic_get_board_info(adapter);
1465 dev_err(&pdev->dev, "Error getting board config info.\n");
1466 goto err_out_iounmap;
1469 #ifdef CONFIG_PCIEAER
1470 netxen_mask_aer_correctable(adapter);
1473 /* Mezz cards have PCI function 0,2,3 enabled */
1474 switch (adapter->ahw.board_type) {
1475 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1476 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1477 if (pci_func_id >= 2)
1478 adapter->portnum = pci_func_id - 2;
1484 err = netxen_check_flash_fw_compatibility(adapter);
1486 goto err_out_iounmap;
1488 if (adapter->portnum == 0) {
1489 val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
1490 if (val != 0xffffffff && val != 0) {
1491 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, 0);
1492 adapter->need_fw_reset = 1;
1496 err = netxen_start_firmware(adapter);
1498 goto err_out_decr_ref;
1501 * See if the firmware gave us a virtual-physical port mapping.
1503 adapter->physical_port = adapter->portnum;
1504 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1505 i = NXRD32(adapter, CRB_V2P(adapter->portnum));
1506 if (i != 0x55555555)
1507 adapter->physical_port = i;
1510 netxen_nic_clear_stats(adapter);
1512 netxen_setup_intr(adapter);
1514 err = netxen_setup_netdev(adapter, netdev);
1516 goto err_out_disable_msi;
1518 pci_set_drvdata(pdev, adapter);
1520 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1522 switch (adapter->ahw.port_type) {
1523 case NETXEN_NIC_GBE:
1524 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1525 adapter->netdev->name);
1527 case NETXEN_NIC_XGBE:
1528 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1529 adapter->netdev->name);
1533 netxen_create_diag_entries(adapter);
1537 err_out_disable_msi:
1538 netxen_teardown_intr(adapter);
1540 netxen_free_dummy_dma(adapter);
1543 nx_decr_dev_ref_cnt(adapter);
1546 netxen_cleanup_pci_map(adapter);
1548 err_out_free_netdev:
1549 free_netdev(netdev);
1552 pci_release_regions(pdev);
1554 err_out_disable_pdev:
1555 pci_set_drvdata(pdev, NULL);
1556 pci_disable_device(pdev);
1561 void netxen_cleanup_minidump(struct netxen_adapter *adapter)
1563 kfree(adapter->mdump.md_template);
1564 adapter->mdump.md_template = NULL;
1566 if (adapter->mdump.md_capture_buff) {
1567 vfree(adapter->mdump.md_capture_buff);
1568 adapter->mdump.md_capture_buff = NULL;
1572 static void netxen_nic_remove(struct pci_dev *pdev)
1574 struct netxen_adapter *adapter;
1575 struct net_device *netdev;
1577 adapter = pci_get_drvdata(pdev);
1578 if (adapter == NULL)
1581 netdev = adapter->netdev;
1583 netxen_cancel_fw_work(adapter);
1585 unregister_netdev(netdev);
1587 cancel_work_sync(&adapter->tx_timeout_task);
1589 netxen_free_vlan_ip_list(adapter);
1590 netxen_nic_detach(adapter);
1592 nx_decr_dev_ref_cnt(adapter);
1594 if (adapter->portnum == 0)
1595 netxen_free_dummy_dma(adapter);
1597 clear_bit(__NX_RESETTING, &adapter->state);
1599 netxen_teardown_intr(adapter);
1601 netxen_remove_diag_entries(adapter);
1603 netxen_cleanup_pci_map(adapter);
1605 netxen_release_firmware(adapter);
1607 if (NX_IS_REVISION_P3(pdev->revision)) {
1608 netxen_cleanup_minidump(adapter);
1609 pci_disable_pcie_error_reporting(pdev);
1612 pci_release_regions(pdev);
1613 pci_disable_device(pdev);
1614 pci_set_drvdata(pdev, NULL);
1616 free_netdev(netdev);
1619 static void netxen_nic_detach_func(struct netxen_adapter *adapter)
1621 struct net_device *netdev = adapter->netdev;
1623 netif_device_detach(netdev);
1625 netxen_cancel_fw_work(adapter);
1627 if (netif_running(netdev))
1628 netxen_nic_down(adapter, netdev);
1630 cancel_work_sync(&adapter->tx_timeout_task);
1632 netxen_nic_detach(adapter);
1634 if (adapter->portnum == 0)
1635 netxen_free_dummy_dma(adapter);
1637 nx_decr_dev_ref_cnt(adapter);
1639 clear_bit(__NX_RESETTING, &adapter->state);
1642 static int netxen_nic_attach_func(struct pci_dev *pdev)
1644 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1645 struct net_device *netdev = adapter->netdev;
1648 err = pci_enable_device(pdev);
1652 pci_set_power_state(pdev, PCI_D0);
1653 pci_set_master(pdev);
1654 pci_restore_state(pdev);
1656 adapter->ahw.crb_win = -1;
1657 adapter->ahw.ocm_win = -1;
1659 err = netxen_start_firmware(adapter);
1661 dev_err(&pdev->dev, "failed to start firmware\n");
1665 if (netif_running(netdev)) {
1666 err = netxen_nic_attach(adapter);
1670 err = netxen_nic_up(adapter, netdev);
1672 goto err_out_detach;
1674 netxen_restore_indev_addr(netdev, NETDEV_UP);
1677 netif_device_attach(netdev);
1678 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1682 netxen_nic_detach(adapter);
1684 nx_decr_dev_ref_cnt(adapter);
1688 static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev,
1689 pci_channel_state_t state)
1691 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1693 if (state == pci_channel_io_perm_failure)
1694 return PCI_ERS_RESULT_DISCONNECT;
1696 if (nx_dev_request_aer(adapter))
1697 return PCI_ERS_RESULT_RECOVERED;
1699 netxen_nic_detach_func(adapter);
1701 pci_disable_device(pdev);
1703 return PCI_ERS_RESULT_NEED_RESET;
1706 static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev)
1710 err = netxen_nic_attach_func(pdev);
1712 return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
1715 static void netxen_io_resume(struct pci_dev *pdev)
1717 pci_cleanup_aer_uncorrect_error_status(pdev);
1720 static void netxen_nic_shutdown(struct pci_dev *pdev)
1722 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1724 netxen_nic_detach_func(adapter);
1726 if (pci_save_state(pdev))
1729 if (netxen_nic_wol_supported(adapter)) {
1730 pci_enable_wake(pdev, PCI_D3cold, 1);
1731 pci_enable_wake(pdev, PCI_D3hot, 1);
1734 pci_disable_device(pdev);
1739 netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
1741 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1744 netxen_nic_detach_func(adapter);
1746 retval = pci_save_state(pdev);
1750 if (netxen_nic_wol_supported(adapter)) {
1751 pci_enable_wake(pdev, PCI_D3cold, 1);
1752 pci_enable_wake(pdev, PCI_D3hot, 1);
1755 pci_disable_device(pdev);
1756 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1762 netxen_nic_resume(struct pci_dev *pdev)
1764 return netxen_nic_attach_func(pdev);
1768 static int netxen_nic_open(struct net_device *netdev)
1770 struct netxen_adapter *adapter = netdev_priv(netdev);
1773 if (adapter->driver_mismatch)
1776 err = netxen_nic_attach(adapter);
1780 err = __netxen_nic_up(adapter, netdev);
1784 netif_start_queue(netdev);
1789 netxen_nic_detach(adapter);
1794 * netxen_nic_close - Disables a network interface entry point
1796 static int netxen_nic_close(struct net_device *netdev)
1798 struct netxen_adapter *adapter = netdev_priv(netdev);
1800 __netxen_nic_down(adapter, netdev);
1805 netxen_tso_check(struct net_device *netdev,
1806 struct nx_host_tx_ring *tx_ring,
1807 struct cmd_desc_type0 *first_desc,
1808 struct sk_buff *skb)
1810 u8 opcode = TX_ETHER_PKT;
1811 __be16 protocol = skb->protocol;
1812 u16 flags = 0, vid = 0;
1814 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1815 struct cmd_desc_type0 *hwdesc;
1816 struct vlan_ethhdr *vh;
1818 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
1820 vh = (struct vlan_ethhdr *)skb->data;
1821 protocol = vh->h_vlan_encapsulated_proto;
1822 flags = FLAGS_VLAN_TAGGED;
1824 } else if (vlan_tx_tag_present(skb)) {
1825 flags = FLAGS_VLAN_OOB;
1826 vid = vlan_tx_tag_get(skb);
1827 netxen_set_tx_vlan_tci(first_desc, vid);
1831 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1832 skb_shinfo(skb)->gso_size > 0) {
1834 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1836 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1837 first_desc->total_hdr_length = hdr_len;
1839 first_desc->total_hdr_length += VLAN_HLEN;
1840 first_desc->tcp_hdr_offset = VLAN_HLEN;
1841 first_desc->ip_hdr_offset = VLAN_HLEN;
1842 /* Only in case of TSO on vlan device */
1843 flags |= FLAGS_VLAN_TAGGED;
1846 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1847 TX_TCP_LSO6 : TX_TCP_LSO;
1850 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1853 if (protocol == cpu_to_be16(ETH_P_IP)) {
1854 l4proto = ip_hdr(skb)->protocol;
1856 if (l4proto == IPPROTO_TCP)
1857 opcode = TX_TCP_PKT;
1858 else if(l4proto == IPPROTO_UDP)
1859 opcode = TX_UDP_PKT;
1860 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1861 l4proto = ipv6_hdr(skb)->nexthdr;
1863 if (l4proto == IPPROTO_TCP)
1864 opcode = TX_TCPV6_PKT;
1865 else if(l4proto == IPPROTO_UDP)
1866 opcode = TX_UDPV6_PKT;
1870 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1871 first_desc->ip_hdr_offset += skb_network_offset(skb);
1872 netxen_set_tx_flags_opcode(first_desc, flags, opcode);
1877 /* For LSO, we need to copy the MAC/IP/TCP headers into
1878 * the descriptor ring
1880 producer = tx_ring->producer;
1885 /* Create a TSO vlan header template for firmware */
1887 hwdesc = &tx_ring->desc_head[producer];
1888 tx_ring->cmd_buf_arr[producer].skb = NULL;
1890 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1891 hdr_len + VLAN_HLEN);
1893 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1894 skb_copy_from_linear_data(skb, vh, 12);
1895 vh->h_vlan_proto = htons(ETH_P_8021Q);
1896 vh->h_vlan_TCI = htons(vid);
1897 skb_copy_from_linear_data_offset(skb, 12,
1898 (char *)vh + 16, copy_len - 16);
1900 copied = copy_len - VLAN_HLEN;
1903 producer = get_next_index(producer, tx_ring->num_desc);
1906 while (copied < hdr_len) {
1908 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1909 (hdr_len - copied));
1911 hwdesc = &tx_ring->desc_head[producer];
1912 tx_ring->cmd_buf_arr[producer].skb = NULL;
1914 skb_copy_from_linear_data_offset(skb, copied,
1915 (char *)hwdesc + offset, copy_len);
1920 producer = get_next_index(producer, tx_ring->num_desc);
1923 tx_ring->producer = producer;
1928 netxen_map_tx_skb(struct pci_dev *pdev,
1929 struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
1931 struct netxen_skb_frag *nf;
1932 struct skb_frag_struct *frag;
1936 nr_frags = skb_shinfo(skb)->nr_frags;
1937 nf = &pbuf->frag_array[0];
1939 map = pci_map_single(pdev, skb->data,
1940 skb_headlen(skb), PCI_DMA_TODEVICE);
1941 if (pci_dma_mapping_error(pdev, map))
1945 nf->length = skb_headlen(skb);
1947 for (i = 0; i < nr_frags; i++) {
1948 frag = &skb_shinfo(skb)->frags[i];
1949 nf = &pbuf->frag_array[i+1];
1951 map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
1953 if (dma_mapping_error(&pdev->dev, map))
1957 nf->length = skb_frag_size(frag);
1964 nf = &pbuf->frag_array[i+1];
1965 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
1968 nf = &pbuf->frag_array[0];
1969 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
1976 netxen_clear_cmddesc(u64 *desc)
1983 netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
1985 struct netxen_adapter *adapter = netdev_priv(netdev);
1986 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
1987 struct netxen_cmd_buffer *pbuf;
1988 struct netxen_skb_frag *buffrag;
1989 struct cmd_desc_type0 *hwdesc, *first_desc;
1990 struct pci_dev *pdev;
1993 struct skb_frag_struct *frag;
1996 int frag_count, no_of_desc;
1997 u32 num_txd = tx_ring->num_desc;
1999 frag_count = skb_shinfo(skb)->nr_frags + 1;
2001 /* 14 frags supported for normal packet and
2002 * 32 frags supported for TSO packet
2004 if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) {
2006 for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) {
2007 frag = &skb_shinfo(skb)->frags[i];
2008 delta += skb_frag_size(frag);
2011 if (!__pskb_pull_tail(skb, delta))
2014 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2016 /* 4 fragments per cmd des */
2017 no_of_desc = (frag_count + 3) >> 2;
2019 if (unlikely(netxen_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
2020 netif_stop_queue(netdev);
2022 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
2023 netif_start_queue(netdev);
2025 return NETDEV_TX_BUSY;
2028 producer = tx_ring->producer;
2029 pbuf = &tx_ring->cmd_buf_arr[producer];
2031 pdev = adapter->pdev;
2033 if (netxen_map_tx_skb(pdev, skb, pbuf))
2037 pbuf->frag_count = frag_count;
2039 first_desc = hwdesc = &tx_ring->desc_head[producer];
2040 netxen_clear_cmddesc((u64 *)hwdesc);
2042 netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
2043 netxen_set_tx_port(first_desc, adapter->portnum);
2045 for (i = 0; i < frag_count; i++) {
2049 if ((k == 0) && (i > 0)) {
2050 /* move to next desc.*/
2051 producer = get_next_index(producer, num_txd);
2052 hwdesc = &tx_ring->desc_head[producer];
2053 netxen_clear_cmddesc((u64 *)hwdesc);
2054 tx_ring->cmd_buf_arr[producer].skb = NULL;
2057 buffrag = &pbuf->frag_array[i];
2059 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2062 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2065 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2068 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2071 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2076 tx_ring->producer = get_next_index(producer, num_txd);
2078 netxen_tso_check(netdev, tx_ring, first_desc, skb);
2080 adapter->stats.txbytes += skb->len;
2081 adapter->stats.xmitcalled++;
2083 netxen_nic_update_cmd_producer(adapter, tx_ring);
2085 return NETDEV_TX_OK;
2088 adapter->stats.txdropped++;
2089 dev_kfree_skb_any(skb);
2090 return NETDEV_TX_OK;
2093 static int netxen_nic_check_temp(struct netxen_adapter *adapter)
2095 struct net_device *netdev = adapter->netdev;
2096 uint32_t temp, temp_state, temp_val;
2099 temp = NXRD32(adapter, CRB_TEMP_STATE);
2101 temp_state = nx_get_temp_state(temp);
2102 temp_val = nx_get_temp_val(temp);
2104 if (temp_state == NX_TEMP_PANIC) {
2106 "%s: Device temperature %d degrees C exceeds"
2107 " maximum allowed. Hardware has been shut down.\n",
2108 netdev->name, temp_val);
2110 } else if (temp_state == NX_TEMP_WARN) {
2111 if (adapter->temp == NX_TEMP_NORMAL) {
2113 "%s: Device temperature %d degrees C "
2114 "exceeds operating range."
2115 " Immediate action needed.\n",
2116 netdev->name, temp_val);
2119 if (adapter->temp == NX_TEMP_WARN) {
2121 "%s: Device temperature is now %d degrees C"
2122 " in normal range.\n", netdev->name,
2126 adapter->temp = temp_state;
2130 void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
2132 struct net_device *netdev = adapter->netdev;
2134 if (adapter->ahw.linkup && !linkup) {
2135 printk(KERN_INFO "%s: %s NIC Link is down\n",
2136 netxen_nic_driver_name, netdev->name);
2137 adapter->ahw.linkup = 0;
2138 if (netif_running(netdev)) {
2139 netif_carrier_off(netdev);
2140 netif_stop_queue(netdev);
2142 adapter->link_changed = !adapter->has_link_events;
2143 } else if (!adapter->ahw.linkup && linkup) {
2144 printk(KERN_INFO "%s: %s NIC Link is up\n",
2145 netxen_nic_driver_name, netdev->name);
2146 adapter->ahw.linkup = 1;
2147 if (netif_running(netdev)) {
2148 netif_carrier_on(netdev);
2149 netif_wake_queue(netdev);
2151 adapter->link_changed = !adapter->has_link_events;
2155 static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
2157 u32 val, port, linkup;
2159 port = adapter->physical_port;
2161 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2162 val = NXRD32(adapter, CRB_XG_STATE_P3);
2163 val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
2164 linkup = (val == XG_LINK_UP_P3);
2166 val = NXRD32(adapter, CRB_XG_STATE);
2167 val = (val >> port*8) & 0xff;
2168 linkup = (val == XG_LINK_UP);
2171 netxen_advert_link_change(adapter, linkup);
2174 static void netxen_tx_timeout(struct net_device *netdev)
2176 struct netxen_adapter *adapter = netdev_priv(netdev);
2178 if (test_bit(__NX_RESETTING, &adapter->state))
2181 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2182 schedule_work(&adapter->tx_timeout_task);
2185 static void netxen_tx_timeout_task(struct work_struct *work)
2187 struct netxen_adapter *adapter =
2188 container_of(work, struct netxen_adapter, tx_timeout_task);
2190 if (!netif_running(adapter->netdev))
2193 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
2196 if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
2200 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
2201 /* try to scrub interrupt */
2202 netxen_napi_disable(adapter);
2204 netxen_napi_enable(adapter);
2206 netif_wake_queue(adapter->netdev);
2208 clear_bit(__NX_RESETTING, &adapter->state);
2210 clear_bit(__NX_RESETTING, &adapter->state);
2211 if (netxen_nic_reset_context(adapter)) {
2216 adapter->netdev->trans_start = jiffies;
2221 adapter->need_fw_reset = 1;
2222 clear_bit(__NX_RESETTING, &adapter->state);
2225 static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *netdev,
2226 struct rtnl_link_stats64 *stats)
2228 struct netxen_adapter *adapter = netdev_priv(netdev);
2230 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2231 stats->tx_packets = adapter->stats.xmitfinished;
2232 stats->rx_bytes = adapter->stats.rxbytes;
2233 stats->tx_bytes = adapter->stats.txbytes;
2234 stats->rx_dropped = adapter->stats.rxdropped;
2235 stats->tx_dropped = adapter->stats.txdropped;
2240 static irqreturn_t netxen_intr(int irq, void *data)
2242 struct nx_host_sds_ring *sds_ring = data;
2243 struct netxen_adapter *adapter = sds_ring->adapter;
2246 status = readl(adapter->isr_int_vec);
2248 if (!(status & adapter->int_vec_bit))
2251 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2252 /* check interrupt state machine, to be sure */
2253 status = readl(adapter->crb_int_state_reg);
2254 if (!ISR_LEGACY_INT_TRIGGERED(status))
2258 unsigned long our_int = 0;
2260 our_int = readl(adapter->crb_int_state_reg);
2262 /* not our interrupt */
2263 if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
2266 /* claim interrupt */
2267 writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
2269 /* clear interrupt */
2270 netxen_nic_disable_int(sds_ring);
2273 writel(0xffffffff, adapter->tgt_status_reg);
2274 /* read twice to ensure write is flushed */
2275 readl(adapter->isr_int_vec);
2276 readl(adapter->isr_int_vec);
2278 napi_schedule(&sds_ring->napi);
2283 static irqreturn_t netxen_msi_intr(int irq, void *data)
2285 struct nx_host_sds_ring *sds_ring = data;
2286 struct netxen_adapter *adapter = sds_ring->adapter;
2288 /* clear interrupt */
2289 writel(0xffffffff, adapter->tgt_status_reg);
2291 napi_schedule(&sds_ring->napi);
2295 static irqreturn_t netxen_msix_intr(int irq, void *data)
2297 struct nx_host_sds_ring *sds_ring = data;
2299 napi_schedule(&sds_ring->napi);
2303 static int netxen_nic_poll(struct napi_struct *napi, int budget)
2305 struct nx_host_sds_ring *sds_ring =
2306 container_of(napi, struct nx_host_sds_ring, napi);
2308 struct netxen_adapter *adapter = sds_ring->adapter;
2313 tx_complete = netxen_process_cmd_ring(adapter);
2315 work_done = netxen_process_rcv_ring(sds_ring, budget);
2317 if ((work_done < budget) && tx_complete) {
2318 napi_complete(&sds_ring->napi);
2319 if (test_bit(__NX_DEV_UP, &adapter->state))
2320 netxen_nic_enable_int(sds_ring);
2326 #ifdef CONFIG_NET_POLL_CONTROLLER
2327 static void netxen_nic_poll_controller(struct net_device *netdev)
2330 struct nx_host_sds_ring *sds_ring;
2331 struct netxen_adapter *adapter = netdev_priv(netdev);
2332 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
2334 disable_irq(adapter->irq);
2335 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2336 sds_ring = &recv_ctx->sds_rings[ring];
2337 netxen_intr(adapter->irq, sds_ring);
2339 enable_irq(adapter->irq);
2344 nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
2347 if (netxen_api_lock(adapter))
2350 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2352 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2354 netxen_api_unlock(adapter);
2359 nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
2362 if (netxen_api_lock(adapter))
2365 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2366 WARN_ON(count == 0);
2368 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2369 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2371 if (count == 0 && state != NX_DEV_FAILED)
2372 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2374 netxen_api_unlock(adapter);
2379 nx_dev_request_aer(struct netxen_adapter *adapter)
2384 if (netxen_api_lock(adapter))
2387 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2389 if (state == NX_DEV_NEED_AER)
2391 else if (state == NX_DEV_READY) {
2392 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER);
2396 netxen_api_unlock(adapter);
2401 nx_dev_request_reset(struct netxen_adapter *adapter)
2406 if (netxen_api_lock(adapter))
2409 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2411 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED)
2413 else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
2414 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
2415 adapter->flags |= NETXEN_FW_RESET_OWNER;
2419 netxen_api_unlock(adapter);
2425 netxen_can_start_firmware(struct netxen_adapter *adapter)
2430 if (netxen_api_lock(adapter)) {
2431 nx_incr_dev_ref_cnt(adapter);
2435 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2437 if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
2442 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
2445 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2447 netxen_api_unlock(adapter);
2453 netxen_schedule_work(struct netxen_adapter *adapter,
2454 work_func_t func, int delay)
2456 INIT_DELAYED_WORK(&adapter->fw_work, func);
2457 schedule_delayed_work(&adapter->fw_work, delay);
2461 netxen_cancel_fw_work(struct netxen_adapter *adapter)
2463 while (test_and_set_bit(__NX_RESETTING, &adapter->state))
2466 cancel_delayed_work_sync(&adapter->fw_work);
2470 netxen_attach_work(struct work_struct *work)
2472 struct netxen_adapter *adapter = container_of(work,
2473 struct netxen_adapter, fw_work.work);
2474 struct net_device *netdev = adapter->netdev;
2477 if (netif_running(netdev)) {
2478 err = netxen_nic_attach(adapter);
2482 err = netxen_nic_up(adapter, netdev);
2484 netxen_nic_detach(adapter);
2488 netxen_restore_indev_addr(netdev, NETDEV_UP);
2491 netif_device_attach(netdev);
2494 adapter->fw_fail_cnt = 0;
2495 clear_bit(__NX_RESETTING, &adapter->state);
2496 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2500 netxen_fwinit_work(struct work_struct *work)
2502 struct netxen_adapter *adapter = container_of(work,
2503 struct netxen_adapter, fw_work.work);
2506 dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
2507 if (adapter->flags & NETXEN_FW_RESET_OWNER) {
2508 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2509 WARN_ON(count == 0);
2511 if (adapter->mdump.md_enabled) {
2513 netxen_dump_fw(adapter);
2516 adapter->flags &= ~NETXEN_FW_RESET_OWNER;
2517 if (netxen_api_lock(adapter)) {
2518 clear_bit(__NX_RESETTING, &adapter->state);
2519 NXWR32(adapter, NX_CRB_DEV_STATE,
2523 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2524 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2525 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2526 dev_state = NX_DEV_COLD;
2527 netxen_api_unlock(adapter);
2531 switch (dev_state) {
2534 if (!netxen_start_firmware(adapter)) {
2535 netxen_schedule_work(adapter, netxen_attach_work, 0);
2540 case NX_DEV_NEED_RESET:
2541 case NX_DEV_INITALIZING:
2542 netxen_schedule_work(adapter,
2543 netxen_fwinit_work, 2 * FW_POLL_DELAY);
2548 nx_incr_dev_ref_cnt(adapter);
2552 if (netxen_api_lock(adapter)) {
2553 clear_bit(__NX_RESETTING, &adapter->state);
2556 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED);
2557 netxen_api_unlock(adapter);
2558 dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n",
2559 adapter->netdev->name);
2561 clear_bit(__NX_RESETTING, &adapter->state);
2565 netxen_detach_work(struct work_struct *work)
2567 struct netxen_adapter *adapter = container_of(work,
2568 struct netxen_adapter, fw_work.work);
2569 struct net_device *netdev = adapter->netdev;
2570 int ref_cnt = 0, delay;
2573 netif_device_detach(netdev);
2575 netxen_nic_down(adapter, netdev);
2578 netxen_nic_detach(adapter);
2581 status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2583 if (status & NX_RCODE_FATAL_ERROR)
2586 if (adapter->temp == NX_TEMP_PANIC)
2589 if (!(adapter->flags & NETXEN_FW_RESET_OWNER))
2590 ref_cnt = nx_decr_dev_ref_cnt(adapter);
2592 if (ref_cnt == -EIO)
2595 delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
2597 adapter->fw_wait_cnt = 0;
2598 netxen_schedule_work(adapter, netxen_fwinit_work, delay);
2603 clear_bit(__NX_RESETTING, &adapter->state);
2607 netxen_check_health(struct netxen_adapter *adapter)
2609 u32 state, heartbit;
2611 struct net_device *netdev = adapter->netdev;
2613 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2614 if (state == NX_DEV_NEED_AER)
2617 if (netxen_nic_check_temp(adapter))
2620 if (adapter->need_fw_reset) {
2621 if (nx_dev_request_reset(adapter))
2626 /* NX_DEV_NEED_RESET, this state can be marked in two cases
2627 * 1. Tx timeout 2. Fw hang
2628 * Send request to destroy context in case of tx timeout only
2629 * and doesn't required in case of Fw hang
2631 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) {
2632 adapter->need_fw_reset = 1;
2633 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2637 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2640 heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
2641 if (heartbit != adapter->heartbit) {
2642 adapter->heartbit = heartbit;
2643 adapter->fw_fail_cnt = 0;
2644 if (adapter->need_fw_reset)
2649 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2652 if (nx_dev_request_reset(adapter))
2655 clear_bit(__NX_FW_ATTACHED, &adapter->state);
2657 dev_err(&netdev->dev, "firmware hang detected\n");
2658 peg_status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2659 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
2660 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2661 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2662 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2663 "PEG_NET_4_PC: 0x%x\n",
2665 NXRD32(adapter, NETXEN_PEG_HALT_STATUS2),
2666 NXRD32(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c),
2667 NXRD32(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c),
2668 NXRD32(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c),
2669 NXRD32(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c),
2670 NXRD32(adapter, NETXEN_CRB_PEG_NET_4 + 0x3c));
2671 if (NX_FWERROR_PEGSTAT1(peg_status) == 0x67)
2672 dev_err(&adapter->pdev->dev,
2673 "Firmware aborted with error code 0x00006700. "
2674 "Device is being reset.\n");
2676 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
2677 !test_and_set_bit(__NX_RESETTING, &adapter->state))
2678 netxen_schedule_work(adapter, netxen_detach_work, 0);
2683 netxen_fw_poll_work(struct work_struct *work)
2685 struct netxen_adapter *adapter = container_of(work,
2686 struct netxen_adapter, fw_work.work);
2688 if (test_bit(__NX_RESETTING, &adapter->state))
2691 if (test_bit(__NX_DEV_UP, &adapter->state)) {
2692 if (!adapter->has_link_events) {
2694 netxen_nic_handle_phy_intr(adapter);
2696 if (adapter->link_changed)
2697 netxen_nic_set_link_parameters(adapter);
2701 if (netxen_check_health(adapter))
2705 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2709 netxen_store_bridged_mode(struct device *dev,
2710 struct device_attribute *attr, const char *buf, size_t len)
2712 struct net_device *net = to_net_dev(dev);
2713 struct netxen_adapter *adapter = netdev_priv(net);
2717 if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
2720 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2723 if (strict_strtoul(buf, 2, &new))
2726 if (!netxen_config_bridged_mode(adapter, !!new))
2734 netxen_show_bridged_mode(struct device *dev,
2735 struct device_attribute *attr, char *buf)
2737 struct net_device *net = to_net_dev(dev);
2738 struct netxen_adapter *adapter;
2739 int bridged_mode = 0;
2741 adapter = netdev_priv(net);
2743 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2744 bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
2746 return sprintf(buf, "%d\n", bridged_mode);
2749 static struct device_attribute dev_attr_bridged_mode = {
2750 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
2751 .show = netxen_show_bridged_mode,
2752 .store = netxen_store_bridged_mode,
2756 netxen_store_diag_mode(struct device *dev,
2757 struct device_attribute *attr, const char *buf, size_t len)
2759 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2762 if (strict_strtoul(buf, 2, &new))
2765 if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2766 adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
2772 netxen_show_diag_mode(struct device *dev,
2773 struct device_attribute *attr, char *buf)
2775 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2777 return sprintf(buf, "%d\n",
2778 !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
2781 static struct device_attribute dev_attr_diag_mode = {
2782 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
2783 .show = netxen_show_diag_mode,
2784 .store = netxen_store_diag_mode,
2788 netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
2789 loff_t offset, size_t size)
2791 size_t crb_size = 4;
2793 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2796 if (offset < NETXEN_PCI_CRBSPACE) {
2797 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2800 if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2801 NETXEN_PCI_CAMQM_2M_END))
2807 if ((size != crb_size) || (offset & (crb_size-1)))
2814 netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj,
2815 struct bin_attribute *attr,
2816 char *buf, loff_t offset, size_t size)
2818 struct device *dev = container_of(kobj, struct device, kobj);
2819 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2824 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2828 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2829 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2830 NETXEN_PCI_CAMQM_2M_END)) {
2831 netxen_pci_camqm_read_2M(adapter, offset, &qmdata);
2832 memcpy(buf, &qmdata, size);
2834 data = NXRD32(adapter, offset);
2835 memcpy(buf, &data, size);
2842 netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj,
2843 struct bin_attribute *attr,
2844 char *buf, loff_t offset, size_t size)
2846 struct device *dev = container_of(kobj, struct device, kobj);
2847 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2852 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2856 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2857 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2858 NETXEN_PCI_CAMQM_2M_END)) {
2859 memcpy(&qmdata, buf, size);
2860 netxen_pci_camqm_write_2M(adapter, offset, qmdata);
2862 memcpy(&data, buf, size);
2863 NXWR32(adapter, offset, data);
2870 netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
2871 loff_t offset, size_t size)
2873 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2876 if ((size != 8) || (offset & 0x7))
2883 netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj,
2884 struct bin_attribute *attr,
2885 char *buf, loff_t offset, size_t size)
2887 struct device *dev = container_of(kobj, struct device, kobj);
2888 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2892 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2896 if (adapter->pci_mem_read(adapter, offset, &data))
2899 memcpy(buf, &data, size);
2904 static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj,
2905 struct bin_attribute *attr, char *buf,
2906 loff_t offset, size_t size)
2908 struct device *dev = container_of(kobj, struct device, kobj);
2909 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2913 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2917 memcpy(&data, buf, size);
2919 if (adapter->pci_mem_write(adapter, offset, data))
2926 static struct bin_attribute bin_attr_crb = {
2927 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
2929 .read = netxen_sysfs_read_crb,
2930 .write = netxen_sysfs_write_crb,
2933 static struct bin_attribute bin_attr_mem = {
2934 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
2936 .read = netxen_sysfs_read_mem,
2937 .write = netxen_sysfs_write_mem,
2941 netxen_sysfs_read_dimm(struct file *filp, struct kobject *kobj,
2942 struct bin_attribute *attr,
2943 char *buf, loff_t offset, size_t size)
2945 struct device *dev = container_of(kobj, struct device, kobj);
2946 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2947 struct net_device *netdev = adapter->netdev;
2948 struct netxen_dimm_cfg dimm;
2949 u8 dw, rows, cols, banks, ranks;
2952 if (size != sizeof(struct netxen_dimm_cfg)) {
2953 netdev_err(netdev, "Invalid size\n");
2957 memset(&dimm, 0, sizeof(struct netxen_dimm_cfg));
2958 val = NXRD32(adapter, NETXEN_DIMM_CAPABILITY);
2960 /* Checks if DIMM info is valid. */
2961 if (val & NETXEN_DIMM_VALID_FLAG) {
2962 netdev_err(netdev, "Invalid DIMM flag\n");
2963 dimm.presence = 0xff;
2967 rows = NETXEN_DIMM_NUMROWS(val);
2968 cols = NETXEN_DIMM_NUMCOLS(val);
2969 ranks = NETXEN_DIMM_NUMRANKS(val);
2970 banks = NETXEN_DIMM_NUMBANKS(val);
2971 dw = NETXEN_DIMM_DATAWIDTH(val);
2973 dimm.presence = (val & NETXEN_DIMM_PRESENT);
2975 /* Checks if DIMM info is present. */
2976 if (!dimm.presence) {
2977 netdev_err(netdev, "DIMM not present\n");
2981 dimm.dimm_type = NETXEN_DIMM_TYPE(val);
2983 switch (dimm.dimm_type) {
2984 case NETXEN_DIMM_TYPE_RDIMM:
2985 case NETXEN_DIMM_TYPE_UDIMM:
2986 case NETXEN_DIMM_TYPE_SO_DIMM:
2987 case NETXEN_DIMM_TYPE_Micro_DIMM:
2988 case NETXEN_DIMM_TYPE_Mini_RDIMM:
2989 case NETXEN_DIMM_TYPE_Mini_UDIMM:
2992 netdev_err(netdev, "Invalid DIMM type %x\n", dimm.dimm_type);
2996 if (val & NETXEN_DIMM_MEMTYPE_DDR2_SDRAM)
2997 dimm.mem_type = NETXEN_DIMM_MEM_DDR2_SDRAM;
2999 dimm.mem_type = NETXEN_DIMM_MEMTYPE(val);
3001 if (val & NETXEN_DIMM_SIZE) {
3002 dimm.size = NETXEN_DIMM_STD_MEM_SIZE;
3007 netdev_err(netdev, "Invalid no of rows %x\n", rows);
3012 netdev_err(netdev, "Invalid no of columns %x\n", cols);
3017 netdev_err(netdev, "Invalid no of banks %x\n", banks);
3049 netdev_err(netdev, "Invalid data-width %x\n", dw);
3053 dimm.size = ((1 << rows) * (1 << cols) * dw * banks * ranks) / 8;
3054 /* Size returned in MB. */
3055 dimm.size = (dimm.size) / 0x100000;
3057 memcpy(buf, &dimm, sizeof(struct netxen_dimm_cfg));
3058 return sizeof(struct netxen_dimm_cfg);
3062 static struct bin_attribute bin_attr_dimm = {
3063 .attr = { .name = "dimm", .mode = (S_IRUGO | S_IWUSR) },
3065 .read = netxen_sysfs_read_dimm,
3070 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
3072 struct device *dev = &adapter->pdev->dev;
3074 if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
3075 /* bridged_mode control */
3076 if (device_create_file(dev, &dev_attr_bridged_mode)) {
3078 "failed to create bridged_mode sysfs entry\n");
3084 netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
3086 struct device *dev = &adapter->pdev->dev;
3088 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
3089 device_remove_file(dev, &dev_attr_bridged_mode);
3093 netxen_create_diag_entries(struct netxen_adapter *adapter)
3095 struct pci_dev *pdev = adapter->pdev;
3099 if (device_create_file(dev, &dev_attr_diag_mode))
3100 dev_info(dev, "failed to create diag_mode sysfs entry\n");
3101 if (device_create_bin_file(dev, &bin_attr_crb))
3102 dev_info(dev, "failed to create crb sysfs entry\n");
3103 if (device_create_bin_file(dev, &bin_attr_mem))
3104 dev_info(dev, "failed to create mem sysfs entry\n");
3105 if (device_create_bin_file(dev, &bin_attr_dimm))
3106 dev_info(dev, "failed to create dimm sysfs entry\n");
3111 netxen_remove_diag_entries(struct netxen_adapter *adapter)
3113 struct pci_dev *pdev = adapter->pdev;
3114 struct device *dev = &pdev->dev;
3116 device_remove_file(dev, &dev_attr_diag_mode);
3117 device_remove_bin_file(dev, &bin_attr_crb);
3118 device_remove_bin_file(dev, &bin_attr_mem);
3119 device_remove_bin_file(dev, &bin_attr_dimm);
3124 #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
3127 netxen_destip_supported(struct netxen_adapter *adapter)
3129 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
3132 if (adapter->ahw.cut_through)
3139 netxen_free_vlan_ip_list(struct netxen_adapter *adapter)
3141 struct nx_vlan_ip_list *cur;
3142 struct list_head *head = &adapter->vlan_ip_list;
3144 while (!list_empty(head)) {
3145 cur = list_entry(head->next, struct nx_vlan_ip_list, list);
3146 netxen_config_ipaddr(adapter, cur->ip_addr, NX_IP_DOWN);
3147 list_del(&cur->list);
3153 netxen_list_config_vlan_ip(struct netxen_adapter *adapter,
3154 struct in_ifaddr *ifa, unsigned long event)
3156 struct net_device *dev;
3157 struct nx_vlan_ip_list *cur, *tmp_cur;
3158 struct list_head *head;
3160 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3165 if (!is_vlan_dev(dev))
3170 list_for_each(head, &adapter->vlan_ip_list) {
3171 cur = list_entry(head, struct nx_vlan_ip_list, list);
3173 if (cur->ip_addr == ifa->ifa_address)
3177 cur = kzalloc(sizeof(struct nx_vlan_ip_list), GFP_ATOMIC);
3179 printk(KERN_ERR "%s: failed to add vlan ip to list\n",
3180 adapter->netdev->name);
3184 cur->ip_addr = ifa->ifa_address;
3185 list_add_tail(&cur->list, &adapter->vlan_ip_list);
3188 list_for_each_entry_safe(cur, tmp_cur,
3189 &adapter->vlan_ip_list, list) {
3190 if (cur->ip_addr == ifa->ifa_address) {
3191 list_del(&cur->list);
3199 netxen_config_indev_addr(struct netxen_adapter *adapter,
3200 struct net_device *dev, unsigned long event)
3202 struct in_device *indev;
3204 if (!netxen_destip_supported(adapter))
3207 indev = in_dev_get(dev);
3214 netxen_config_ipaddr(adapter,
3215 ifa->ifa_address, NX_IP_UP);
3216 netxen_list_config_vlan_ip(adapter, ifa, NX_IP_UP);
3219 netxen_config_ipaddr(adapter,
3220 ifa->ifa_address, NX_IP_DOWN);
3221 netxen_list_config_vlan_ip(adapter, ifa, NX_IP_DOWN);
3226 } endfor_ifa(indev);
3232 netxen_restore_indev_addr(struct net_device *netdev, unsigned long event)
3235 struct netxen_adapter *adapter = netdev_priv(netdev);
3236 struct nx_vlan_ip_list *pos, *tmp_pos;
3237 unsigned long ip_event;
3239 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3240 netxen_config_indev_addr(adapter, netdev, event);
3242 list_for_each_entry_safe(pos, tmp_pos, &adapter->vlan_ip_list, list) {
3243 netxen_config_ipaddr(adapter, pos->ip_addr, ip_event);
3247 static int netxen_netdev_event(struct notifier_block *this,
3248 unsigned long event, void *ptr)
3250 struct netxen_adapter *adapter;
3251 struct net_device *dev = (struct net_device *)ptr;
3252 struct net_device *orig_dev = dev;
3258 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3259 dev = vlan_dev_real_dev(dev);
3263 if (!is_netxen_netdev(dev))
3266 adapter = netdev_priv(dev);
3271 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
3274 netxen_config_indev_addr(adapter, orig_dev, event);
3280 netxen_inetaddr_event(struct notifier_block *this,
3281 unsigned long event, void *ptr)
3283 struct netxen_adapter *adapter;
3284 struct net_device *dev;
3286 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3288 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3294 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3295 dev = vlan_dev_real_dev(dev);
3299 if (!is_netxen_netdev(dev))
3302 adapter = netdev_priv(dev);
3304 if (!adapter || !netxen_destip_supported(adapter))
3307 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
3312 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
3313 netxen_list_config_vlan_ip(adapter, ifa, NX_IP_UP);
3316 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN);
3317 netxen_list_config_vlan_ip(adapter, ifa, NX_IP_DOWN);
3327 static struct notifier_block netxen_netdev_cb = {
3328 .notifier_call = netxen_netdev_event,
3331 static struct notifier_block netxen_inetaddr_cb = {
3332 .notifier_call = netxen_inetaddr_event,
3336 netxen_restore_indev_addr(struct net_device *dev, unsigned long event)
3339 netxen_free_vlan_ip_list(struct netxen_adapter *adapter)
3343 static const struct pci_error_handlers netxen_err_handler = {
3344 .error_detected = netxen_io_error_detected,
3345 .slot_reset = netxen_io_slot_reset,
3346 .resume = netxen_io_resume,
3349 static struct pci_driver netxen_driver = {
3350 .name = netxen_nic_driver_name,
3351 .id_table = netxen_pci_tbl,
3352 .probe = netxen_nic_probe,
3353 .remove = netxen_nic_remove,
3355 .suspend = netxen_nic_suspend,
3356 .resume = netxen_nic_resume,
3358 .shutdown = netxen_nic_shutdown,
3359 .err_handler = &netxen_err_handler
3362 static int __init netxen_init_module(void)
3364 printk(KERN_INFO "%s\n", netxen_nic_driver_string);
3367 register_netdevice_notifier(&netxen_netdev_cb);
3368 register_inetaddr_notifier(&netxen_inetaddr_cb);
3370 return pci_register_driver(&netxen_driver);
3373 module_init(netxen_init_module);
3375 static void __exit netxen_exit_module(void)
3377 pci_unregister_driver(&netxen_driver);
3380 unregister_inetaddr_notifier(&netxen_inetaddr_cb);
3381 unregister_netdevice_notifier(&netxen_netdev_cb);
3385 module_exit(netxen_exit_module);