1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2003 - 2009 NetXen, Inc.
4 * Copyright (C) 2009 - QLogic Corporation.
8 #include <linux/slab.h>
9 #include <linux/vmalloc.h>
10 #include <linux/interrupt.h>
11 #include "netxen_nic_hw.h"
13 #include "netxen_nic.h"
15 #include <linux/dma-mapping.h>
16 #include <linux/if_vlan.h>
18 #include <linux/ipv6.h>
19 #include <linux/inetdevice.h>
20 #include <linux/sysfs.h>
21 #include <linux/aer.h>
23 MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Intelligent Ethernet Driver");
24 MODULE_LICENSE("GPL");
25 MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
26 MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME);
28 char netxen_nic_driver_name[] = "netxen_nic";
29 static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v"
30 NETXEN_NIC_LINUX_VERSIONID;
32 static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
34 /* Default to restricted 1G auto-neg mode */
35 static int wol_port_mode = 5;
37 static int use_msi = 1;
39 static int use_msi_x = 1;
41 static int auto_fw_reset = AUTO_FW_RESET_ENABLED;
42 module_param(auto_fw_reset, int, 0644);
43 MODULE_PARM_DESC(auto_fw_reset,"Auto firmware reset (0=disabled, 1=enabled");
45 static int netxen_nic_probe(struct pci_dev *pdev,
46 const struct pci_device_id *ent);
47 static void netxen_nic_remove(struct pci_dev *pdev);
48 static int netxen_nic_open(struct net_device *netdev);
49 static int netxen_nic_close(struct net_device *netdev);
50 static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *,
52 static void netxen_tx_timeout(struct net_device *netdev, unsigned int txqueue);
53 static void netxen_tx_timeout_task(struct work_struct *work);
54 static void netxen_fw_poll_work(struct work_struct *work);
55 static void netxen_schedule_work(struct netxen_adapter *adapter,
56 work_func_t func, int delay);
57 static void netxen_cancel_fw_work(struct netxen_adapter *adapter);
58 static int netxen_nic_poll(struct napi_struct *napi, int budget);
60 static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
61 static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
62 static void netxen_create_diag_entries(struct netxen_adapter *adapter);
63 static void netxen_remove_diag_entries(struct netxen_adapter *adapter);
64 static int nx_dev_request_aer(struct netxen_adapter *adapter);
65 static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter);
66 static int netxen_can_start_firmware(struct netxen_adapter *adapter);
68 static irqreturn_t netxen_intr(int irq, void *data);
69 static irqreturn_t netxen_msi_intr(int irq, void *data);
70 static irqreturn_t netxen_msix_intr(int irq, void *data);
72 static void netxen_free_ip_list(struct netxen_adapter *, bool);
73 static void netxen_restore_indev_addr(struct net_device *dev, unsigned long);
74 static void netxen_nic_get_stats(struct net_device *dev,
75 struct rtnl_link_stats64 *stats);
76 static int netxen_nic_set_mac(struct net_device *netdev, void *p);
78 /* PCI Device ID Table */
79 #define ENTRY(device) \
80 {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
81 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
83 static const struct pci_device_id netxen_pci_tbl[] = {
84 ENTRY(PCI_DEVICE_ID_NX2031_10GXSR),
85 ENTRY(PCI_DEVICE_ID_NX2031_10GCX4),
86 ENTRY(PCI_DEVICE_ID_NX2031_4GCU),
87 ENTRY(PCI_DEVICE_ID_NX2031_IMEZ),
88 ENTRY(PCI_DEVICE_ID_NX2031_HMEZ),
89 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT),
90 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2),
91 ENTRY(PCI_DEVICE_ID_NX3031),
95 MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
97 static uint32_t crb_cmd_producer[4] = {
98 CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
99 CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
103 netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
104 struct nx_host_tx_ring *tx_ring)
106 NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer);
109 static uint32_t crb_cmd_consumer[4] = {
110 CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1,
111 CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3
115 netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
116 struct nx_host_tx_ring *tx_ring)
118 NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer);
121 static uint32_t msi_tgt_status[8] = {
122 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
123 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
124 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
125 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
128 static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
130 static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring)
132 struct netxen_adapter *adapter = sds_ring->adapter;
134 NXWRIO(adapter, sds_ring->crb_intr_mask, 0);
137 static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring)
139 struct netxen_adapter *adapter = sds_ring->adapter;
141 NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1);
143 if (!NETXEN_IS_MSI_FAMILY(adapter))
144 NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff);
148 netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count)
150 int size = sizeof(struct nx_host_sds_ring) * count;
152 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
154 return recv_ctx->sds_rings == NULL;
158 netxen_free_sds_rings(struct netxen_recv_context *recv_ctx)
160 kfree(recv_ctx->sds_rings);
161 recv_ctx->sds_rings = NULL;
165 netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
168 struct nx_host_sds_ring *sds_ring;
169 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
171 if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
174 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
175 sds_ring = &recv_ctx->sds_rings[ring];
176 netif_napi_add(netdev, &sds_ring->napi,
177 netxen_nic_poll, NAPI_POLL_WEIGHT);
184 netxen_napi_del(struct netxen_adapter *adapter)
187 struct nx_host_sds_ring *sds_ring;
188 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
190 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
191 sds_ring = &recv_ctx->sds_rings[ring];
192 netif_napi_del(&sds_ring->napi);
195 netxen_free_sds_rings(&adapter->recv_ctx);
199 netxen_napi_enable(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 napi_enable(&sds_ring->napi);
208 netxen_nic_enable_int(sds_ring);
213 netxen_napi_disable(struct netxen_adapter *adapter)
216 struct nx_host_sds_ring *sds_ring;
217 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
219 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
220 sds_ring = &recv_ctx->sds_rings[ring];
221 netxen_nic_disable_int(sds_ring);
222 napi_synchronize(&sds_ring->napi);
223 napi_disable(&sds_ring->napi);
227 static int nx_set_dma_mask(struct netxen_adapter *adapter)
229 struct pci_dev *pdev = adapter->pdev;
230 uint64_t mask, cmask;
232 adapter->pci_using_dac = 0;
234 mask = DMA_BIT_MASK(32);
235 cmask = DMA_BIT_MASK(32);
237 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
239 mask = DMA_BIT_MASK(35);
242 mask = DMA_BIT_MASK(39);
246 if (dma_set_mask(&pdev->dev, mask) == 0 &&
247 dma_set_coherent_mask(&pdev->dev, cmask) == 0) {
248 adapter->pci_using_dac = 1;
255 /* Update addressable range if firmware supports it */
257 nx_update_dma_mask(struct netxen_adapter *adapter)
259 int change, shift, err;
260 uint64_t mask, old_mask, old_cmask;
261 struct pci_dev *pdev = adapter->pdev;
265 shift = NXRD32(adapter, CRB_DMA_SHIFT);
269 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9))
271 else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4))
275 old_mask = pdev->dma_mask;
276 old_cmask = pdev->dev.coherent_dma_mask;
278 mask = DMA_BIT_MASK(32+shift);
280 err = dma_set_mask(&pdev->dev, mask);
284 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
286 err = dma_set_coherent_mask(&pdev->dev, mask);
290 dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift);
296 dma_set_mask(&pdev->dev, old_mask);
297 dma_set_coherent_mask(&pdev->dev, old_cmask);
302 netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
306 if (first_boot == 0x55555555) {
307 /* This is the first boot after power up */
308 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
310 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
313 /* PCI bus master workaround */
314 first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4));
315 if (!(first_boot & 0x4)) {
317 NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot);
318 NXRD32(adapter, NETXEN_PCIE_REG(0x4));
321 /* This is the first boot after power up */
322 first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET);
323 if (first_boot != 0x80000f) {
324 /* clear the register for future unloads/loads */
325 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0);
329 /* Start P2 boot loader */
330 val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
331 NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1);
335 val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
337 if (++timeout > 5000)
340 } while (val == NETXEN_BDINFO_MAGIC);
345 static void netxen_set_port_mode(struct netxen_adapter *adapter)
349 val = adapter->ahw.board_type;
350 if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
351 (val == NETXEN_BRDTYPE_P3_XG_LOM)) {
352 if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
353 data = NETXEN_PORT_MODE_802_3_AP;
354 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
355 } else if (port_mode == NETXEN_PORT_MODE_XG) {
356 data = NETXEN_PORT_MODE_XG;
357 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
358 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) {
359 data = NETXEN_PORT_MODE_AUTO_NEG_1G;
360 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
361 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) {
362 data = NETXEN_PORT_MODE_AUTO_NEG_XG;
363 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
365 data = NETXEN_PORT_MODE_AUTO_NEG;
366 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
369 if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) &&
370 (wol_port_mode != NETXEN_PORT_MODE_XG) &&
371 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) &&
372 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) {
373 wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG;
375 NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode);
379 #define PCI_CAP_ID_GEN 0x10
381 static void netxen_pcie_strap_init(struct netxen_adapter *adapter)
388 struct pci_dev *pdev;
390 pdev = adapter->pdev;
392 chicken = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3));
393 /* clear chicken3.25:24 */
394 chicken &= 0xFCFFFFFF;
396 * if gen1 and B0, set F1020 - if gen 2, do nothing
397 * if gen2 set to F1000
399 pos = pci_find_capability(pdev, PCI_CAP_ID_GEN);
401 pci_read_config_dword(pdev, pos + 0x10, &control);
402 if ((control & 0x000F0000) != 0x00020000) {
403 /* set chicken3.24 if gen1 */
404 chicken |= 0x01000000;
406 dev_info(&adapter->pdev->dev, "Gen2 strapping detected\n");
409 /* set chicken3.24 if gen1 */
410 chicken |= 0x01000000;
411 dev_info(&adapter->pdev->dev, "Gen1 strapping detected\n");
412 if (adapter->ahw.revision_id == NX_P3_B0)
418 NXWR32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3), chicken);
423 pdevfuncsave = pdev->devfn;
424 if (pdevfuncsave & 0x07)
427 for (i = 0; i < 8; i++) {
428 pci_read_config_dword(pdev, pos + 8, &control);
429 pci_read_config_dword(pdev, pos + 8, &control);
430 pci_write_config_dword(pdev, pos + 8, c8c9value);
433 pdev->devfn = pdevfuncsave;
436 static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
440 if (pdev->msix_cap) {
441 pci_read_config_dword(pdev, pdev->msix_cap, &control);
443 control |= PCI_MSIX_FLAGS_ENABLE;
446 pci_write_config_dword(pdev, pdev->msix_cap, control);
450 static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count)
454 for (i = 0; i < count; i++)
455 adapter->msix_entries[i].entry = i;
459 netxen_read_mac_addr(struct netxen_adapter *adapter)
464 struct net_device *netdev = adapter->netdev;
465 struct pci_dev *pdev = adapter->pdev;
467 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
468 if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
471 if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0)
475 p = (unsigned char *)&mac_addr;
476 for (i = 0; i < 6; i++)
477 netdev->dev_addr[i] = *(p + 5 - i);
479 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
481 /* set station address */
483 if (!is_valid_ether_addr(netdev->dev_addr))
484 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr);
489 static int netxen_nic_set_mac(struct net_device *netdev, void *p)
491 struct netxen_adapter *adapter = netdev_priv(netdev);
492 struct sockaddr *addr = p;
494 if (!is_valid_ether_addr(addr->sa_data))
495 return -EADDRNOTAVAIL;
497 if (netif_running(netdev)) {
498 netif_device_detach(netdev);
499 netxen_napi_disable(adapter);
502 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
503 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
504 adapter->macaddr_set(adapter, addr->sa_data);
506 if (netif_running(netdev)) {
507 netif_device_attach(netdev);
508 netxen_napi_enable(adapter);
513 static void netxen_set_multicast_list(struct net_device *dev)
515 struct netxen_adapter *adapter = netdev_priv(dev);
517 adapter->set_multi(dev);
520 static netdev_features_t netxen_fix_features(struct net_device *dev,
521 netdev_features_t features)
523 if (!(features & NETIF_F_RXCSUM)) {
524 netdev_info(dev, "disabling LRO as RXCSUM is off\n");
526 features &= ~NETIF_F_LRO;
532 static int netxen_set_features(struct net_device *dev,
533 netdev_features_t features)
535 struct netxen_adapter *adapter = netdev_priv(dev);
538 if (!((dev->features ^ features) & NETIF_F_LRO))
541 hw_lro = (features & NETIF_F_LRO) ? NETXEN_NIC_LRO_ENABLED
542 : NETXEN_NIC_LRO_DISABLED;
544 if (netxen_config_hw_lro(adapter, hw_lro))
547 if (!(features & NETIF_F_LRO) && netxen_send_lro_cleanup(adapter))
553 static const struct net_device_ops netxen_netdev_ops = {
554 .ndo_open = netxen_nic_open,
555 .ndo_stop = netxen_nic_close,
556 .ndo_start_xmit = netxen_nic_xmit_frame,
557 .ndo_get_stats64 = netxen_nic_get_stats,
558 .ndo_validate_addr = eth_validate_addr,
559 .ndo_set_rx_mode = netxen_set_multicast_list,
560 .ndo_set_mac_address = netxen_nic_set_mac,
561 .ndo_change_mtu = netxen_nic_change_mtu,
562 .ndo_tx_timeout = netxen_tx_timeout,
563 .ndo_fix_features = netxen_fix_features,
564 .ndo_set_features = netxen_set_features,
567 static inline void netxen_set_interrupt_mode(struct netxen_adapter *adapter,
570 NXWR32(adapter, NETXEN_INTR_MODE_REG, mode);
573 static inline u32 netxen_get_interrupt_mode(struct netxen_adapter *adapter)
575 return NXRD32(adapter, NETXEN_INTR_MODE_REG);
579 netxen_initialize_interrupt_registers(struct netxen_adapter *adapter)
581 struct netxen_legacy_intr_set *legacy_intrp;
582 u32 tgt_status_reg, int_state_reg;
584 if (adapter->ahw.revision_id >= NX_P3_B0)
585 legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
587 legacy_intrp = &legacy_intr[0];
589 tgt_status_reg = legacy_intrp->tgt_status_reg;
590 int_state_reg = ISR_INT_STATE_REG;
592 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
593 adapter->tgt_status_reg = netxen_get_ioaddr(adapter, tgt_status_reg);
594 adapter->tgt_mask_reg = netxen_get_ioaddr(adapter,
595 legacy_intrp->tgt_mask_reg);
596 adapter->pci_int_reg = netxen_get_ioaddr(adapter,
597 legacy_intrp->pci_int_reg);
598 adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR);
600 if (adapter->ahw.revision_id >= NX_P3_B1)
601 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
604 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
608 static int netxen_setup_msi_interrupts(struct netxen_adapter *adapter,
611 struct pci_dev *pdev = adapter->pdev;
615 if (adapter->msix_supported) {
616 netxen_init_msix_entries(adapter, num_msix);
617 err = pci_enable_msix_range(pdev, adapter->msix_entries,
620 adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
621 netxen_set_msix_bit(pdev, 1);
623 if (adapter->rss_supported)
624 adapter->max_sds_rings = num_msix;
626 dev_info(&pdev->dev, "using msi-x interrupts\n");
629 /* fall through for msi */
632 if (use_msi && !pci_enable_msi(pdev)) {
633 value = msi_tgt_status[adapter->ahw.pci_func];
634 adapter->flags |= NETXEN_NIC_MSI_ENABLED;
635 adapter->tgt_status_reg = netxen_get_ioaddr(adapter, value);
636 adapter->msix_entries[0].vector = pdev->irq;
637 dev_info(&pdev->dev, "using msi interrupts\n");
641 dev_err(&pdev->dev, "Failed to acquire MSI-X/MSI interrupt vector\n");
645 static int netxen_setup_intr(struct netxen_adapter *adapter)
647 struct pci_dev *pdev = adapter->pdev;
650 if (adapter->rss_supported)
651 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
652 MSIX_ENTRIES_PER_ADAPTER : 2;
656 adapter->max_sds_rings = 1;
657 adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
659 netxen_initialize_interrupt_registers(adapter);
660 netxen_set_msix_bit(pdev, 0);
662 if (adapter->portnum == 0) {
663 if (!netxen_setup_msi_interrupts(adapter, num_msix))
664 netxen_set_interrupt_mode(adapter, NETXEN_MSI_MODE);
666 netxen_set_interrupt_mode(adapter, NETXEN_INTX_MODE);
668 if (netxen_get_interrupt_mode(adapter) == NETXEN_MSI_MODE &&
669 netxen_setup_msi_interrupts(adapter, num_msix)) {
670 dev_err(&pdev->dev, "Co-existence of MSI-X/MSI and INTx interrupts is not supported\n");
675 if (!NETXEN_IS_MSI_FAMILY(adapter)) {
676 adapter->msix_entries[0].vector = pdev->irq;
677 dev_info(&pdev->dev, "using legacy interrupts\n");
683 netxen_teardown_intr(struct netxen_adapter *adapter)
685 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
686 pci_disable_msix(adapter->pdev);
687 if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
688 pci_disable_msi(adapter->pdev);
692 netxen_cleanup_pci_map(struct netxen_adapter *adapter)
694 if (adapter->ahw.db_base != NULL)
695 iounmap(adapter->ahw.db_base);
696 if (adapter->ahw.pci_base0 != NULL)
697 iounmap(adapter->ahw.pci_base0);
698 if (adapter->ahw.pci_base1 != NULL)
699 iounmap(adapter->ahw.pci_base1);
700 if (adapter->ahw.pci_base2 != NULL)
701 iounmap(adapter->ahw.pci_base2);
705 netxen_setup_pci_map(struct netxen_adapter *adapter)
707 void __iomem *db_ptr = NULL;
709 resource_size_t mem_base, db_base;
710 unsigned long mem_len, db_len = 0;
712 struct pci_dev *pdev = adapter->pdev;
713 int pci_func = adapter->ahw.pci_func;
714 struct netxen_hardware_context *ahw = &adapter->ahw;
719 * Set the CRB window to invalid. If any register in window 0 is
720 * accessed it should set the window to 0 and then reset it to 1.
722 adapter->ahw.crb_win = -1;
723 adapter->ahw.ocm_win = -1;
725 /* remap phys address */
726 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
727 mem_len = pci_resource_len(pdev, 0);
729 /* 128 Meg of memory */
730 if (mem_len == NETXEN_PCI_128MB_SIZE) {
732 ahw->pci_base0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
733 ahw->pci_base1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
734 SECOND_PAGE_GROUP_SIZE);
735 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
736 THIRD_PAGE_GROUP_SIZE);
737 if (ahw->pci_base0 == NULL || ahw->pci_base1 == NULL ||
738 ahw->pci_base2 == NULL) {
739 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
744 ahw->pci_len0 = FIRST_PAGE_GROUP_SIZE;
746 } else if (mem_len == NETXEN_PCI_32MB_SIZE) {
748 ahw->pci_base1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
749 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
750 SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
751 if (ahw->pci_base1 == NULL || ahw->pci_base2 == NULL) {
752 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
757 } else if (mem_len == NETXEN_PCI_2MB_SIZE) {
759 ahw->pci_base0 = pci_ioremap_bar(pdev, 0);
760 if (ahw->pci_base0 == NULL) {
761 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
764 ahw->pci_len0 = mem_len;
769 netxen_setup_hwops(adapter);
771 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
773 if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
774 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
775 NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
777 } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
778 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
779 NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
782 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
785 db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
786 db_len = pci_resource_len(pdev, 4);
789 printk(KERN_ERR "%s: doorbell is disabled\n",
790 netxen_nic_driver_name);
795 db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
797 printk(KERN_ERR "%s: Failed to allocate doorbell map.",
798 netxen_nic_driver_name);
804 adapter->ahw.db_base = db_ptr;
805 adapter->ahw.db_len = db_len;
809 netxen_cleanup_pci_map(adapter);
814 netxen_check_options(struct netxen_adapter *adapter)
816 u32 fw_major, fw_minor, fw_build, prev_fw_version;
817 char brd_name[NETXEN_MAX_SHORT_NAME];
819 int i, offset, val, err;
821 struct pci_dev *pdev = adapter->pdev;
823 adapter->driver_mismatch = 0;
825 ptr32 = (__le32 *)&serial_num;
826 offset = NX_FW_SERIAL_NUM_OFFSET;
827 for (i = 0; i < 8; i++) {
828 err = netxen_rom_fast_read(adapter, offset, &val);
830 dev_err(&pdev->dev, "error reading board info\n");
831 adapter->driver_mismatch = 1;
834 ptr32[i] = cpu_to_le32(val);
835 offset += sizeof(u32);
838 fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
839 fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
840 fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
841 prev_fw_version = adapter->fw_version;
842 adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
844 /* Get FW Mini Coredump template and store it */
845 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
846 if (adapter->mdump.md_template == NULL ||
847 adapter->fw_version > prev_fw_version) {
848 kfree(adapter->mdump.md_template);
849 adapter->mdump.md_template = NULL;
850 err = netxen_setup_minidump(adapter);
852 dev_err(&adapter->pdev->dev,
853 "Failed to setup minidump rcode = %d\n", err);
857 if (adapter->portnum == 0) {
858 if (netxen_nic_get_brd_name_by_type(adapter->ahw.board_type,
860 strcpy(serial_num, "Unknown");
862 pr_info("%s: %s Board S/N %s Chip rev 0x%x\n",
863 module_name(THIS_MODULE),
864 brd_name, serial_num, adapter->ahw.revision_id);
867 if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) {
868 adapter->driver_mismatch = 1;
869 dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n",
870 fw_major, fw_minor, fw_build);
874 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
875 i = NXRD32(adapter, NETXEN_SRE_MISC);
876 adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0;
879 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d [%s]\n",
880 NETXEN_NIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build,
881 adapter->ahw.cut_through ? "cut-through" : "legacy");
883 if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
884 adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
886 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
887 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
888 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
889 } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
890 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
891 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
894 adapter->msix_supported = 0;
895 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
896 adapter->msix_supported = !!use_msi_x;
897 adapter->rss_supported = !!use_msi_x;
900 netxen_rom_fast_read(adapter,
901 NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
902 flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
904 if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) {
905 switch (adapter->ahw.board_type) {
906 case NETXEN_BRDTYPE_P2_SB31_10G:
907 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
908 adapter->msix_supported = !!use_msi_x;
909 adapter->rss_supported = !!use_msi_x;
917 adapter->num_txd = MAX_CMD_DESCRIPTORS;
919 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
920 adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
921 adapter->max_rds_rings = 3;
923 adapter->num_lro_rxd = 0;
924 adapter->max_rds_rings = 2;
929 netxen_start_firmware(struct netxen_adapter *adapter)
931 int val, err, first_boot;
932 struct pci_dev *pdev = adapter->pdev;
934 /* required for NX2031 dummy dma */
935 err = nx_set_dma_mask(adapter);
939 err = netxen_can_start_firmware(adapter);
947 first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
949 err = netxen_check_hw_init(adapter, first_boot);
951 dev_err(&pdev->dev, "error in init HW init sequence\n");
955 netxen_request_firmware(adapter);
957 err = netxen_need_fw_reset(adapter);
961 goto pcie_strap_init;
963 if (first_boot != 0x55555555) {
964 NXWR32(adapter, CRB_CMDPEG_STATE, 0);
965 netxen_pinit_from_rom(adapter);
969 NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555);
970 NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0);
971 NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0);
973 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
974 netxen_set_port_mode(adapter);
976 err = netxen_load_firmware(adapter);
980 netxen_release_firmware(adapter);
982 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
984 /* Initialize multicast addr pool owners */
986 if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
988 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
992 err = netxen_init_dummy_dma(adapter);
997 * Tell the hardware our version number.
999 val = (_NETXEN_NIC_LINUX_MAJOR << 16)
1000 | ((_NETXEN_NIC_LINUX_MINOR << 8))
1001 | (_NETXEN_NIC_LINUX_SUBVERSION);
1002 NXWR32(adapter, CRB_DRIVER_VERSION, val);
1005 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1006 netxen_pcie_strap_init(adapter);
1009 /* Handshake with the card before we register the devices. */
1010 err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
1012 netxen_free_dummy_dma(adapter);
1016 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
1018 nx_update_dma_mask(adapter);
1020 netxen_check_options(adapter);
1022 adapter->need_fw_reset = 0;
1024 /* fall through and release firmware */
1027 netxen_release_firmware(adapter);
1032 netxen_nic_request_irq(struct netxen_adapter *adapter)
1034 irq_handler_t handler;
1035 struct nx_host_sds_ring *sds_ring;
1038 unsigned long flags = 0;
1039 struct net_device *netdev = adapter->netdev;
1040 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1042 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
1043 handler = netxen_msix_intr;
1044 else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
1045 handler = netxen_msi_intr;
1047 flags |= IRQF_SHARED;
1048 handler = netxen_intr;
1050 adapter->irq = netdev->irq;
1052 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1053 sds_ring = &recv_ctx->sds_rings[ring];
1054 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1055 err = request_irq(sds_ring->irq, handler,
1056 flags, sds_ring->name, sds_ring);
1065 netxen_nic_free_irq(struct netxen_adapter *adapter)
1068 struct nx_host_sds_ring *sds_ring;
1070 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1072 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1073 sds_ring = &recv_ctx->sds_rings[ring];
1074 free_irq(sds_ring->irq, sds_ring);
1079 netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter)
1081 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
1082 adapter->coal.normal.data.rx_time_us =
1083 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
1084 adapter->coal.normal.data.rx_packets =
1085 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
1086 adapter->coal.normal.data.tx_time_us =
1087 NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US;
1088 adapter->coal.normal.data.tx_packets =
1089 NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
1092 /* with rtnl_lock */
1094 __netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1098 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1101 err = adapter->init_port(adapter, adapter->physical_port);
1103 printk(KERN_ERR "%s: Failed to initialize port %d\n",
1104 netxen_nic_driver_name, adapter->portnum);
1107 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
1108 adapter->macaddr_set(adapter, adapter->mac_addr);
1110 adapter->set_multi(netdev);
1111 adapter->set_mtu(adapter, netdev->mtu);
1113 adapter->ahw.linkup = 0;
1115 if (adapter->max_sds_rings > 1)
1116 netxen_config_rss(adapter, 1);
1118 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1119 netxen_config_intr_coalesce(adapter);
1121 if (netdev->features & NETIF_F_LRO)
1122 netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED);
1124 netxen_napi_enable(adapter);
1126 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1127 netxen_linkevent_request(adapter, 1);
1129 netxen_nic_set_link_parameters(adapter);
1131 set_bit(__NX_DEV_UP, &adapter->state);
1135 /* Usage: During resume and firmware recovery module.*/
1138 netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1143 if (netif_running(netdev))
1144 err = __netxen_nic_up(adapter, netdev);
1150 /* with rtnl_lock */
1152 __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1154 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1157 if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state))
1161 netif_carrier_off(netdev);
1162 netif_tx_disable(netdev);
1164 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1165 netxen_linkevent_request(adapter, 0);
1167 if (adapter->stop_port)
1168 adapter->stop_port(adapter);
1170 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1171 netxen_p3_free_mac_list(adapter);
1173 adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
1175 netxen_napi_disable(adapter);
1177 netxen_release_tx_buffers(adapter);
1180 /* Usage: During suspend and firmware recovery module */
1183 netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1186 if (netif_running(netdev))
1187 __netxen_nic_down(adapter, netdev);
1193 netxen_nic_attach(struct netxen_adapter *adapter)
1195 struct net_device *netdev = adapter->netdev;
1196 struct pci_dev *pdev = adapter->pdev;
1198 struct nx_host_rds_ring *rds_ring;
1199 struct nx_host_tx_ring *tx_ring;
1202 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
1205 err = netxen_init_firmware(adapter);
1209 adapter->flags &= ~NETXEN_FW_MSS_CAP;
1210 if (adapter->capabilities & NX_FW_CAPABILITY_MORE_CAPS) {
1211 capab2 = NXRD32(adapter, CRB_FW_CAPABILITIES_2);
1212 if (capab2 & NX_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1213 adapter->flags |= NETXEN_FW_MSS_CAP;
1216 err = netxen_napi_add(adapter, netdev);
1220 err = netxen_alloc_sw_resources(adapter);
1222 printk(KERN_ERR "%s: Error in setting sw resources\n",
1227 err = netxen_alloc_hw_resources(adapter);
1229 printk(KERN_ERR "%s: Error in setting hw resources\n",
1231 goto err_out_free_sw;
1234 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1235 tx_ring = adapter->tx_ring;
1236 tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
1237 crb_cmd_producer[adapter->portnum]);
1238 tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter,
1239 crb_cmd_consumer[adapter->portnum]);
1241 tx_ring->producer = 0;
1242 tx_ring->sw_consumer = 0;
1244 netxen_nic_update_cmd_producer(adapter, tx_ring);
1245 netxen_nic_update_cmd_consumer(adapter, tx_ring);
1248 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1249 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1250 netxen_post_rx_buffers(adapter, ring, rds_ring);
1253 err = netxen_nic_request_irq(adapter);
1255 dev_err(&pdev->dev, "%s: failed to setup interrupt\n",
1257 goto err_out_free_rxbuf;
1260 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1261 netxen_nic_init_coalesce_defaults(adapter);
1263 netxen_create_sysfs_entries(adapter);
1265 adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
1269 netxen_release_rx_buffers(adapter);
1270 netxen_free_hw_resources(adapter);
1272 netxen_free_sw_resources(adapter);
1277 netxen_nic_detach(struct netxen_adapter *adapter)
1279 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1282 netxen_remove_sysfs_entries(adapter);
1284 netxen_free_hw_resources(adapter);
1285 netxen_release_rx_buffers(adapter);
1286 netxen_nic_free_irq(adapter);
1287 netxen_napi_del(adapter);
1288 netxen_free_sw_resources(adapter);
1294 netxen_nic_reset_context(struct netxen_adapter *adapter)
1297 struct net_device *netdev = adapter->netdev;
1299 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
1302 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
1304 netif_device_detach(netdev);
1306 if (netif_running(netdev))
1307 __netxen_nic_down(adapter, netdev);
1309 netxen_nic_detach(adapter);
1311 if (netif_running(netdev)) {
1312 err = netxen_nic_attach(adapter);
1314 err = __netxen_nic_up(adapter, netdev);
1320 netif_device_attach(netdev);
1324 clear_bit(__NX_RESETTING, &adapter->state);
1329 netxen_setup_netdev(struct netxen_adapter *adapter,
1330 struct net_device *netdev)
1333 struct pci_dev *pdev = adapter->pdev;
1335 adapter->mc_enabled = 0;
1336 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1337 adapter->max_mc_count = 38;
1339 adapter->max_mc_count = 16;
1341 netdev->netdev_ops = &netxen_netdev_ops;
1342 netdev->watchdog_timeo = 5*HZ;
1344 netxen_nic_change_mtu(netdev, netdev->mtu);
1346 netdev->ethtool_ops = &netxen_nic_ethtool_ops;
1348 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
1351 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1352 netdev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
1354 netdev->vlan_features |= netdev->hw_features;
1356 if (adapter->pci_using_dac) {
1357 netdev->features |= NETIF_F_HIGHDMA;
1358 netdev->vlan_features |= NETIF_F_HIGHDMA;
1361 if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX)
1362 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX;
1364 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
1365 netdev->hw_features |= NETIF_F_LRO;
1367 netdev->features |= netdev->hw_features;
1369 netdev->irq = adapter->msix_entries[0].vector;
1371 INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
1373 if (netxen_read_mac_addr(adapter))
1374 dev_warn(&pdev->dev, "failed to read mac addr\n");
1376 netif_carrier_off(netdev);
1378 err = register_netdev(netdev);
1380 dev_err(&pdev->dev, "failed to register net device\n");
1387 #define NETXEN_ULA_ADAPTER_KEY (0xdaddad01)
1388 #define NETXEN_NON_ULA_ADAPTER_KEY (0xdaddad00)
1390 static void netxen_read_ula_info(struct netxen_adapter *adapter)
1394 /* Print ULA info only once for an adapter */
1395 if (adapter->portnum != 0)
1398 temp = NXRD32(adapter, NETXEN_ULA_KEY);
1400 case NETXEN_ULA_ADAPTER_KEY:
1401 dev_info(&adapter->pdev->dev, "ULA adapter");
1403 case NETXEN_NON_ULA_ADAPTER_KEY:
1404 dev_info(&adapter->pdev->dev, "non ULA adapter");
1413 #ifdef CONFIG_PCIEAER
1414 static void netxen_mask_aer_correctable(struct netxen_adapter *adapter)
1416 struct pci_dev *pdev = adapter->pdev;
1417 struct pci_dev *root = pdev->bus->self;
1424 if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM &&
1425 adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP)
1428 if (pci_pcie_type(root) != PCI_EXP_TYPE_ROOT_PORT)
1431 aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR);
1435 pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff);
1440 netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1442 struct net_device *netdev = NULL;
1443 struct netxen_adapter *adapter = NULL;
1445 int pci_func_id = PCI_FUNC(pdev->devfn);
1446 uint8_t revision_id;
1449 if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
1450 pr_warn("%s: chip revisions between 0x%x-0x%x will not be enabled\n",
1451 module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
1455 if ((err = pci_enable_device(pdev)))
1458 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1460 goto err_out_disable_pdev;
1463 if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
1464 goto err_out_disable_pdev;
1466 if (NX_IS_REVISION_P3(pdev->revision))
1467 pci_enable_pcie_error_reporting(pdev);
1469 pci_set_master(pdev);
1471 netdev = alloc_etherdev(sizeof(struct netxen_adapter));
1474 goto err_out_free_res;
1477 SET_NETDEV_DEV(netdev, &pdev->dev);
1479 adapter = netdev_priv(netdev);
1480 adapter->netdev = netdev;
1481 adapter->pdev = pdev;
1482 adapter->ahw.pci_func = pci_func_id;
1484 revision_id = pdev->revision;
1485 adapter->ahw.revision_id = revision_id;
1487 rwlock_init(&adapter->ahw.crb_lock);
1488 spin_lock_init(&adapter->ahw.mem_lock);
1490 spin_lock_init(&adapter->tx_clean_lock);
1491 INIT_LIST_HEAD(&adapter->mac_list);
1492 INIT_LIST_HEAD(&adapter->ip_list);
1494 err = netxen_setup_pci_map(adapter);
1496 goto err_out_free_netdev;
1498 /* This will be reset for mezz cards */
1499 adapter->portnum = pci_func_id;
1501 err = netxen_nic_get_board_info(adapter);
1503 dev_err(&pdev->dev, "Error getting board config info.\n");
1504 goto err_out_iounmap;
1507 #ifdef CONFIG_PCIEAER
1508 netxen_mask_aer_correctable(adapter);
1511 /* Mezz cards have PCI function 0,2,3 enabled */
1512 switch (adapter->ahw.board_type) {
1513 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1514 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1515 if (pci_func_id >= 2)
1516 adapter->portnum = pci_func_id - 2;
1522 err = netxen_check_flash_fw_compatibility(adapter);
1524 goto err_out_iounmap;
1526 if (adapter->portnum == 0) {
1527 val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
1528 if (val != 0xffffffff && val != 0) {
1529 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, 0);
1530 adapter->need_fw_reset = 1;
1534 err = netxen_start_firmware(adapter);
1536 goto err_out_decr_ref;
1539 * See if the firmware gave us a virtual-physical port mapping.
1541 adapter->physical_port = adapter->portnum;
1542 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1543 i = NXRD32(adapter, CRB_V2P(adapter->portnum));
1544 if (i != 0x55555555)
1545 adapter->physical_port = i;
1548 /* MTU range: 0 - 8000 (P2) or 9600 (P3) */
1549 netdev->min_mtu = 0;
1550 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1551 netdev->max_mtu = P3_MAX_MTU;
1553 netdev->max_mtu = P2_MAX_MTU;
1555 netxen_nic_clear_stats(adapter);
1557 err = netxen_setup_intr(adapter);
1560 dev_err(&adapter->pdev->dev,
1561 "Failed to setup interrupts, error = %d\n", err);
1562 goto err_out_disable_msi;
1565 netxen_read_ula_info(adapter);
1567 err = netxen_setup_netdev(adapter, netdev);
1569 goto err_out_disable_msi;
1571 pci_set_drvdata(pdev, adapter);
1573 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1575 switch (adapter->ahw.port_type) {
1576 case NETXEN_NIC_GBE:
1577 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1578 adapter->netdev->name);
1580 case NETXEN_NIC_XGBE:
1581 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1582 adapter->netdev->name);
1586 netxen_create_diag_entries(adapter);
1590 err_out_disable_msi:
1591 netxen_teardown_intr(adapter);
1593 netxen_free_dummy_dma(adapter);
1596 nx_decr_dev_ref_cnt(adapter);
1599 netxen_cleanup_pci_map(adapter);
1601 err_out_free_netdev:
1602 free_netdev(netdev);
1605 if (NX_IS_REVISION_P3(pdev->revision))
1606 pci_disable_pcie_error_reporting(pdev);
1607 pci_release_regions(pdev);
1609 err_out_disable_pdev:
1610 pci_disable_device(pdev);
1615 void netxen_cleanup_minidump(struct netxen_adapter *adapter)
1617 kfree(adapter->mdump.md_template);
1618 adapter->mdump.md_template = NULL;
1620 if (adapter->mdump.md_capture_buff) {
1621 vfree(adapter->mdump.md_capture_buff);
1622 adapter->mdump.md_capture_buff = NULL;
1626 static void netxen_nic_remove(struct pci_dev *pdev)
1628 struct netxen_adapter *adapter;
1629 struct net_device *netdev;
1631 adapter = pci_get_drvdata(pdev);
1632 if (adapter == NULL)
1635 netdev = adapter->netdev;
1637 netxen_cancel_fw_work(adapter);
1639 unregister_netdev(netdev);
1641 cancel_work_sync(&adapter->tx_timeout_task);
1643 netxen_free_ip_list(adapter, false);
1644 netxen_nic_detach(adapter);
1646 nx_decr_dev_ref_cnt(adapter);
1648 if (adapter->portnum == 0)
1649 netxen_free_dummy_dma(adapter);
1651 clear_bit(__NX_RESETTING, &adapter->state);
1653 netxen_teardown_intr(adapter);
1654 netxen_set_interrupt_mode(adapter, 0);
1655 netxen_remove_diag_entries(adapter);
1657 netxen_cleanup_pci_map(adapter);
1659 netxen_release_firmware(adapter);
1661 if (NX_IS_REVISION_P3(pdev->revision)) {
1662 netxen_cleanup_minidump(adapter);
1663 pci_disable_pcie_error_reporting(pdev);
1666 pci_release_regions(pdev);
1667 pci_disable_device(pdev);
1669 free_netdev(netdev);
1672 static void netxen_nic_detach_func(struct netxen_adapter *adapter)
1674 struct net_device *netdev = adapter->netdev;
1676 netif_device_detach(netdev);
1678 netxen_cancel_fw_work(adapter);
1680 if (netif_running(netdev))
1681 netxen_nic_down(adapter, netdev);
1683 cancel_work_sync(&adapter->tx_timeout_task);
1685 netxen_nic_detach(adapter);
1687 if (adapter->portnum == 0)
1688 netxen_free_dummy_dma(adapter);
1690 nx_decr_dev_ref_cnt(adapter);
1692 clear_bit(__NX_RESETTING, &adapter->state);
1695 static int netxen_nic_attach_late_func(struct pci_dev *pdev)
1697 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1698 struct net_device *netdev = adapter->netdev;
1701 pci_set_master(pdev);
1703 adapter->ahw.crb_win = -1;
1704 adapter->ahw.ocm_win = -1;
1706 err = netxen_start_firmware(adapter);
1708 dev_err(&pdev->dev, "failed to start firmware\n");
1712 if (netif_running(netdev)) {
1713 err = netxen_nic_attach(adapter);
1717 err = netxen_nic_up(adapter, netdev);
1719 goto err_out_detach;
1721 netxen_restore_indev_addr(netdev, NETDEV_UP);
1724 netif_device_attach(netdev);
1725 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1729 netxen_nic_detach(adapter);
1731 nx_decr_dev_ref_cnt(adapter);
1735 static int netxen_nic_attach_func(struct pci_dev *pdev)
1739 err = pci_enable_device(pdev);
1743 pci_set_power_state(pdev, PCI_D0);
1744 pci_restore_state(pdev);
1746 return netxen_nic_attach_late_func(pdev);
1749 static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev,
1750 pci_channel_state_t state)
1752 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1754 if (state == pci_channel_io_perm_failure)
1755 return PCI_ERS_RESULT_DISCONNECT;
1757 if (nx_dev_request_aer(adapter))
1758 return PCI_ERS_RESULT_RECOVERED;
1760 netxen_nic_detach_func(adapter);
1762 pci_disable_device(pdev);
1764 return PCI_ERS_RESULT_NEED_RESET;
1767 static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev)
1771 err = netxen_nic_attach_func(pdev);
1773 return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
1776 static void netxen_nic_shutdown(struct pci_dev *pdev)
1778 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1780 netxen_nic_detach_func(adapter);
1782 if (pci_save_state(pdev))
1785 if (netxen_nic_wol_supported(adapter)) {
1786 pci_enable_wake(pdev, PCI_D3cold, 1);
1787 pci_enable_wake(pdev, PCI_D3hot, 1);
1790 pci_disable_device(pdev);
1793 static int __maybe_unused
1794 netxen_nic_suspend(struct device *dev_d)
1796 struct netxen_adapter *adapter = dev_get_drvdata(dev_d);
1798 netxen_nic_detach_func(adapter);
1800 if (netxen_nic_wol_supported(adapter))
1801 device_wakeup_enable(dev_d);
1806 static int __maybe_unused
1807 netxen_nic_resume(struct device *dev_d)
1809 return netxen_nic_attach_late_func(to_pci_dev(dev_d));
1812 static int netxen_nic_open(struct net_device *netdev)
1814 struct netxen_adapter *adapter = netdev_priv(netdev);
1817 if (adapter->driver_mismatch)
1820 err = netxen_nic_attach(adapter);
1824 err = __netxen_nic_up(adapter, netdev);
1828 netif_start_queue(netdev);
1833 netxen_nic_detach(adapter);
1838 * netxen_nic_close - Disables a network interface entry point
1840 static int netxen_nic_close(struct net_device *netdev)
1842 struct netxen_adapter *adapter = netdev_priv(netdev);
1844 __netxen_nic_down(adapter, netdev);
1849 netxen_tso_check(struct net_device *netdev,
1850 struct nx_host_tx_ring *tx_ring,
1851 struct cmd_desc_type0 *first_desc,
1852 struct sk_buff *skb)
1854 u8 opcode = TX_ETHER_PKT;
1855 __be16 protocol = skb->protocol;
1856 u16 flags = 0, vid = 0;
1858 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1859 struct cmd_desc_type0 *hwdesc;
1860 struct vlan_ethhdr *vh;
1862 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
1864 vh = (struct vlan_ethhdr *)skb->data;
1865 protocol = vh->h_vlan_encapsulated_proto;
1866 flags = FLAGS_VLAN_TAGGED;
1868 } else if (skb_vlan_tag_present(skb)) {
1869 flags = FLAGS_VLAN_OOB;
1870 vid = skb_vlan_tag_get(skb);
1871 netxen_set_tx_vlan_tci(first_desc, vid);
1875 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1876 skb_shinfo(skb)->gso_size > 0) {
1878 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1880 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1881 first_desc->total_hdr_length = hdr_len;
1883 first_desc->total_hdr_length += VLAN_HLEN;
1884 first_desc->tcp_hdr_offset = VLAN_HLEN;
1885 first_desc->ip_hdr_offset = VLAN_HLEN;
1886 /* Only in case of TSO on vlan device */
1887 flags |= FLAGS_VLAN_TAGGED;
1890 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1891 TX_TCP_LSO6 : TX_TCP_LSO;
1894 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1897 if (protocol == cpu_to_be16(ETH_P_IP)) {
1898 l4proto = ip_hdr(skb)->protocol;
1900 if (l4proto == IPPROTO_TCP)
1901 opcode = TX_TCP_PKT;
1902 else if(l4proto == IPPROTO_UDP)
1903 opcode = TX_UDP_PKT;
1904 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1905 l4proto = ipv6_hdr(skb)->nexthdr;
1907 if (l4proto == IPPROTO_TCP)
1908 opcode = TX_TCPV6_PKT;
1909 else if(l4proto == IPPROTO_UDP)
1910 opcode = TX_UDPV6_PKT;
1914 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1915 first_desc->ip_hdr_offset += skb_network_offset(skb);
1916 netxen_set_tx_flags_opcode(first_desc, flags, opcode);
1921 /* For LSO, we need to copy the MAC/IP/TCP headers into
1922 * the descriptor ring
1924 producer = tx_ring->producer;
1929 /* Create a TSO vlan header template for firmware */
1931 hwdesc = &tx_ring->desc_head[producer];
1932 tx_ring->cmd_buf_arr[producer].skb = NULL;
1934 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1935 hdr_len + VLAN_HLEN);
1937 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1938 skb_copy_from_linear_data(skb, vh, 12);
1939 vh->h_vlan_proto = htons(ETH_P_8021Q);
1940 vh->h_vlan_TCI = htons(vid);
1941 skb_copy_from_linear_data_offset(skb, 12,
1942 (char *)vh + 16, copy_len - 16);
1944 copied = copy_len - VLAN_HLEN;
1947 producer = get_next_index(producer, tx_ring->num_desc);
1950 while (copied < hdr_len) {
1952 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1953 (hdr_len - copied));
1955 hwdesc = &tx_ring->desc_head[producer];
1956 tx_ring->cmd_buf_arr[producer].skb = NULL;
1958 skb_copy_from_linear_data_offset(skb, copied,
1959 (char *)hwdesc + offset, copy_len);
1964 producer = get_next_index(producer, tx_ring->num_desc);
1967 tx_ring->producer = producer;
1972 netxen_map_tx_skb(struct pci_dev *pdev,
1973 struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
1975 struct netxen_skb_frag *nf;
1980 nr_frags = skb_shinfo(skb)->nr_frags;
1981 nf = &pbuf->frag_array[0];
1983 map = dma_map_single(&pdev->dev, skb->data, skb_headlen(skb),
1985 if (dma_mapping_error(&pdev->dev, map))
1989 nf->length = skb_headlen(skb);
1991 for (i = 0; i < nr_frags; i++) {
1992 frag = &skb_shinfo(skb)->frags[i];
1993 nf = &pbuf->frag_array[i+1];
1995 map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
1997 if (dma_mapping_error(&pdev->dev, map))
2001 nf->length = skb_frag_size(frag);
2008 nf = &pbuf->frag_array[i+1];
2009 dma_unmap_page(&pdev->dev, nf->dma, nf->length, DMA_TO_DEVICE);
2013 nf = &pbuf->frag_array[0];
2014 dma_unmap_single(&pdev->dev, nf->dma, skb_headlen(skb), DMA_TO_DEVICE);
2022 netxen_clear_cmddesc(u64 *desc)
2029 netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2031 struct netxen_adapter *adapter = netdev_priv(netdev);
2032 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
2033 struct netxen_cmd_buffer *pbuf;
2034 struct netxen_skb_frag *buffrag;
2035 struct cmd_desc_type0 *hwdesc, *first_desc;
2036 struct pci_dev *pdev;
2043 u32 num_txd = tx_ring->num_desc;
2045 frag_count = skb_shinfo(skb)->nr_frags + 1;
2047 /* 14 frags supported for normal packet and
2048 * 32 frags supported for TSO packet
2050 if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) {
2052 for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) {
2053 frag = &skb_shinfo(skb)->frags[i];
2054 delta += skb_frag_size(frag);
2057 if (!__pskb_pull_tail(skb, delta))
2060 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2063 if (unlikely(netxen_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
2064 netif_stop_queue(netdev);
2066 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
2067 netif_start_queue(netdev);
2069 return NETDEV_TX_BUSY;
2072 producer = tx_ring->producer;
2073 pbuf = &tx_ring->cmd_buf_arr[producer];
2075 pdev = adapter->pdev;
2077 if (netxen_map_tx_skb(pdev, skb, pbuf))
2081 pbuf->frag_count = frag_count;
2083 first_desc = hwdesc = &tx_ring->desc_head[producer];
2084 netxen_clear_cmddesc((u64 *)hwdesc);
2086 netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
2087 netxen_set_tx_port(first_desc, adapter->portnum);
2089 for (i = 0; i < frag_count; i++) {
2093 if ((k == 0) && (i > 0)) {
2094 /* move to next desc.*/
2095 producer = get_next_index(producer, num_txd);
2096 hwdesc = &tx_ring->desc_head[producer];
2097 netxen_clear_cmddesc((u64 *)hwdesc);
2098 tx_ring->cmd_buf_arr[producer].skb = NULL;
2101 buffrag = &pbuf->frag_array[i];
2103 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2106 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2109 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2112 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2115 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2120 tx_ring->producer = get_next_index(producer, num_txd);
2122 netxen_tso_check(netdev, tx_ring, first_desc, skb);
2124 adapter->stats.txbytes += skb->len;
2125 adapter->stats.xmitcalled++;
2127 netxen_nic_update_cmd_producer(adapter, tx_ring);
2129 return NETDEV_TX_OK;
2132 adapter->stats.txdropped++;
2133 dev_kfree_skb_any(skb);
2134 return NETDEV_TX_OK;
2137 static int netxen_nic_check_temp(struct netxen_adapter *adapter)
2139 struct net_device *netdev = adapter->netdev;
2140 uint32_t temp, temp_state, temp_val;
2143 temp = NXRD32(adapter, CRB_TEMP_STATE);
2145 temp_state = nx_get_temp_state(temp);
2146 temp_val = nx_get_temp_val(temp);
2148 if (temp_state == NX_TEMP_PANIC) {
2150 "%s: Device temperature %d degrees C exceeds"
2151 " maximum allowed. Hardware has been shut down.\n",
2152 netdev->name, temp_val);
2154 } else if (temp_state == NX_TEMP_WARN) {
2155 if (adapter->temp == NX_TEMP_NORMAL) {
2157 "%s: Device temperature %d degrees C "
2158 "exceeds operating range."
2159 " Immediate action needed.\n",
2160 netdev->name, temp_val);
2163 if (adapter->temp == NX_TEMP_WARN) {
2165 "%s: Device temperature is now %d degrees C"
2166 " in normal range.\n", netdev->name,
2170 adapter->temp = temp_state;
2174 void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
2176 struct net_device *netdev = adapter->netdev;
2178 if (adapter->ahw.linkup && !linkup) {
2179 printk(KERN_INFO "%s: %s NIC Link is down\n",
2180 netxen_nic_driver_name, netdev->name);
2181 adapter->ahw.linkup = 0;
2182 if (netif_running(netdev)) {
2183 netif_carrier_off(netdev);
2184 netif_stop_queue(netdev);
2186 adapter->link_changed = !adapter->has_link_events;
2187 } else if (!adapter->ahw.linkup && linkup) {
2188 printk(KERN_INFO "%s: %s NIC Link is up\n",
2189 netxen_nic_driver_name, netdev->name);
2190 adapter->ahw.linkup = 1;
2191 if (netif_running(netdev)) {
2192 netif_carrier_on(netdev);
2193 netif_wake_queue(netdev);
2195 adapter->link_changed = !adapter->has_link_events;
2199 static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
2201 u32 val, port, linkup;
2203 port = adapter->physical_port;
2205 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2206 val = NXRD32(adapter, CRB_XG_STATE_P3);
2207 val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
2208 linkup = (val == XG_LINK_UP_P3);
2210 val = NXRD32(adapter, CRB_XG_STATE);
2211 val = (val >> port*8) & 0xff;
2212 linkup = (val == XG_LINK_UP);
2215 netxen_advert_link_change(adapter, linkup);
2218 static void netxen_tx_timeout(struct net_device *netdev, unsigned int txqueue)
2220 struct netxen_adapter *adapter = netdev_priv(netdev);
2222 if (test_bit(__NX_RESETTING, &adapter->state))
2225 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2226 schedule_work(&adapter->tx_timeout_task);
2229 static void netxen_tx_timeout_task(struct work_struct *work)
2231 struct netxen_adapter *adapter =
2232 container_of(work, struct netxen_adapter, tx_timeout_task);
2234 if (!netif_running(adapter->netdev))
2237 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
2240 if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
2244 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
2245 /* try to scrub interrupt */
2246 netxen_napi_disable(adapter);
2248 netxen_napi_enable(adapter);
2250 netif_wake_queue(adapter->netdev);
2252 clear_bit(__NX_RESETTING, &adapter->state);
2254 clear_bit(__NX_RESETTING, &adapter->state);
2255 if (netxen_nic_reset_context(adapter)) {
2260 netif_trans_update(adapter->netdev);
2265 adapter->need_fw_reset = 1;
2266 clear_bit(__NX_RESETTING, &adapter->state);
2269 static void netxen_nic_get_stats(struct net_device *netdev,
2270 struct rtnl_link_stats64 *stats)
2272 struct netxen_adapter *adapter = netdev_priv(netdev);
2274 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2275 stats->tx_packets = adapter->stats.xmitfinished;
2276 stats->rx_bytes = adapter->stats.rxbytes;
2277 stats->tx_bytes = adapter->stats.txbytes;
2278 stats->rx_dropped = adapter->stats.rxdropped;
2279 stats->tx_dropped = adapter->stats.txdropped;
2282 static irqreturn_t netxen_intr(int irq, void *data)
2284 struct nx_host_sds_ring *sds_ring = data;
2285 struct netxen_adapter *adapter = sds_ring->adapter;
2288 status = readl(adapter->isr_int_vec);
2290 if (!(status & adapter->int_vec_bit))
2293 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2294 /* check interrupt state machine, to be sure */
2295 status = readl(adapter->crb_int_state_reg);
2296 if (!ISR_LEGACY_INT_TRIGGERED(status))
2300 unsigned long our_int = 0;
2302 our_int = readl(adapter->crb_int_state_reg);
2304 /* not our interrupt */
2305 if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
2308 /* claim interrupt */
2309 writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
2311 /* clear interrupt */
2312 netxen_nic_disable_int(sds_ring);
2315 writel(0xffffffff, adapter->tgt_status_reg);
2316 /* read twice to ensure write is flushed */
2317 readl(adapter->isr_int_vec);
2318 readl(adapter->isr_int_vec);
2320 napi_schedule(&sds_ring->napi);
2325 static irqreturn_t netxen_msi_intr(int irq, void *data)
2327 struct nx_host_sds_ring *sds_ring = data;
2328 struct netxen_adapter *adapter = sds_ring->adapter;
2330 /* clear interrupt */
2331 writel(0xffffffff, adapter->tgt_status_reg);
2333 napi_schedule(&sds_ring->napi);
2337 static irqreturn_t netxen_msix_intr(int irq, void *data)
2339 struct nx_host_sds_ring *sds_ring = data;
2341 napi_schedule(&sds_ring->napi);
2345 static int netxen_nic_poll(struct napi_struct *napi, int budget)
2347 struct nx_host_sds_ring *sds_ring =
2348 container_of(napi, struct nx_host_sds_ring, napi);
2350 struct netxen_adapter *adapter = sds_ring->adapter;
2355 tx_complete = netxen_process_cmd_ring(adapter);
2357 work_done = netxen_process_rcv_ring(sds_ring, budget);
2362 if (work_done < budget) {
2363 napi_complete_done(&sds_ring->napi, work_done);
2364 if (test_bit(__NX_DEV_UP, &adapter->state))
2365 netxen_nic_enable_int(sds_ring);
2372 nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
2375 if (netxen_api_lock(adapter))
2378 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2380 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2382 netxen_api_unlock(adapter);
2387 nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
2390 if (netxen_api_lock(adapter))
2393 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2394 WARN_ON(count == 0);
2396 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2397 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2399 if (count == 0 && state != NX_DEV_FAILED)
2400 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2402 netxen_api_unlock(adapter);
2407 nx_dev_request_aer(struct netxen_adapter *adapter)
2412 if (netxen_api_lock(adapter))
2415 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2417 if (state == NX_DEV_NEED_AER)
2419 else if (state == NX_DEV_READY) {
2420 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER);
2424 netxen_api_unlock(adapter);
2429 nx_dev_request_reset(struct netxen_adapter *adapter)
2434 if (netxen_api_lock(adapter))
2437 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2439 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED)
2441 else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
2442 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
2443 adapter->flags |= NETXEN_FW_RESET_OWNER;
2447 netxen_api_unlock(adapter);
2453 netxen_can_start_firmware(struct netxen_adapter *adapter)
2458 if (netxen_api_lock(adapter)) {
2459 nx_incr_dev_ref_cnt(adapter);
2463 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2465 if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
2470 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
2473 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2475 netxen_api_unlock(adapter);
2481 netxen_schedule_work(struct netxen_adapter *adapter,
2482 work_func_t func, int delay)
2484 INIT_DELAYED_WORK(&adapter->fw_work, func);
2485 schedule_delayed_work(&adapter->fw_work, delay);
2489 netxen_cancel_fw_work(struct netxen_adapter *adapter)
2491 while (test_and_set_bit(__NX_RESETTING, &adapter->state))
2494 cancel_delayed_work_sync(&adapter->fw_work);
2498 netxen_attach_work(struct work_struct *work)
2500 struct netxen_adapter *adapter = container_of(work,
2501 struct netxen_adapter, fw_work.work);
2502 struct net_device *netdev = adapter->netdev;
2505 if (netif_running(netdev)) {
2506 err = netxen_nic_attach(adapter);
2510 err = netxen_nic_up(adapter, netdev);
2512 netxen_nic_detach(adapter);
2516 netxen_restore_indev_addr(netdev, NETDEV_UP);
2519 netif_device_attach(netdev);
2522 adapter->fw_fail_cnt = 0;
2523 clear_bit(__NX_RESETTING, &adapter->state);
2524 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2528 netxen_fwinit_work(struct work_struct *work)
2530 struct netxen_adapter *adapter = container_of(work,
2531 struct netxen_adapter, fw_work.work);
2534 dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
2535 if (adapter->flags & NETXEN_FW_RESET_OWNER) {
2536 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2537 WARN_ON(count == 0);
2539 if (adapter->mdump.md_enabled) {
2541 netxen_dump_fw(adapter);
2544 adapter->flags &= ~NETXEN_FW_RESET_OWNER;
2545 if (netxen_api_lock(adapter)) {
2546 clear_bit(__NX_RESETTING, &adapter->state);
2547 NXWR32(adapter, NX_CRB_DEV_STATE,
2551 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2552 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2553 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2554 dev_state = NX_DEV_COLD;
2555 netxen_api_unlock(adapter);
2559 switch (dev_state) {
2562 if (!netxen_start_firmware(adapter)) {
2563 netxen_schedule_work(adapter, netxen_attach_work, 0);
2568 case NX_DEV_NEED_RESET:
2569 case NX_DEV_INITALIZING:
2570 netxen_schedule_work(adapter,
2571 netxen_fwinit_work, 2 * FW_POLL_DELAY);
2576 nx_incr_dev_ref_cnt(adapter);
2580 if (netxen_api_lock(adapter)) {
2581 clear_bit(__NX_RESETTING, &adapter->state);
2584 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED);
2585 netxen_api_unlock(adapter);
2586 dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n",
2587 adapter->netdev->name);
2589 clear_bit(__NX_RESETTING, &adapter->state);
2593 netxen_detach_work(struct work_struct *work)
2595 struct netxen_adapter *adapter = container_of(work,
2596 struct netxen_adapter, fw_work.work);
2597 struct net_device *netdev = adapter->netdev;
2598 int ref_cnt = 0, delay;
2601 netif_device_detach(netdev);
2603 netxen_nic_down(adapter, netdev);
2606 netxen_nic_detach(adapter);
2609 status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2611 if (status & NX_RCODE_FATAL_ERROR)
2614 if (adapter->temp == NX_TEMP_PANIC)
2617 if (!(adapter->flags & NETXEN_FW_RESET_OWNER))
2618 ref_cnt = nx_decr_dev_ref_cnt(adapter);
2620 if (ref_cnt == -EIO)
2623 delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
2625 adapter->fw_wait_cnt = 0;
2626 netxen_schedule_work(adapter, netxen_fwinit_work, delay);
2631 clear_bit(__NX_RESETTING, &adapter->state);
2635 netxen_check_health(struct netxen_adapter *adapter)
2637 u32 state, heartbit;
2639 struct net_device *netdev = adapter->netdev;
2641 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2642 if (state == NX_DEV_NEED_AER)
2645 if (netxen_nic_check_temp(adapter))
2648 if (adapter->need_fw_reset) {
2649 if (nx_dev_request_reset(adapter))
2654 /* NX_DEV_NEED_RESET, this state can be marked in two cases
2655 * 1. Tx timeout 2. Fw hang
2656 * Send request to destroy context in case of tx timeout only
2657 * and doesn't required in case of Fw hang
2659 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) {
2660 adapter->need_fw_reset = 1;
2661 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2665 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2668 heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
2669 if (heartbit != adapter->heartbit) {
2670 adapter->heartbit = heartbit;
2671 adapter->fw_fail_cnt = 0;
2672 if (adapter->need_fw_reset)
2677 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2680 if (nx_dev_request_reset(adapter))
2683 clear_bit(__NX_FW_ATTACHED, &adapter->state);
2685 dev_err(&netdev->dev, "firmware hang detected\n");
2686 peg_status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2687 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
2688 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2689 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2690 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2691 "PEG_NET_4_PC: 0x%x\n",
2693 NXRD32(adapter, NETXEN_PEG_HALT_STATUS2),
2694 NXRD32(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c),
2695 NXRD32(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c),
2696 NXRD32(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c),
2697 NXRD32(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c),
2698 NXRD32(adapter, NETXEN_CRB_PEG_NET_4 + 0x3c));
2699 if (NX_FWERROR_PEGSTAT1(peg_status) == 0x67)
2700 dev_err(&adapter->pdev->dev,
2701 "Firmware aborted with error code 0x00006700. "
2702 "Device is being reset.\n");
2704 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
2705 !test_and_set_bit(__NX_RESETTING, &adapter->state))
2706 netxen_schedule_work(adapter, netxen_detach_work, 0);
2711 netxen_fw_poll_work(struct work_struct *work)
2713 struct netxen_adapter *adapter = container_of(work,
2714 struct netxen_adapter, fw_work.work);
2716 if (test_bit(__NX_RESETTING, &adapter->state))
2719 if (test_bit(__NX_DEV_UP, &adapter->state) &&
2720 !(adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)) {
2721 if (!adapter->has_link_events) {
2723 netxen_nic_handle_phy_intr(adapter);
2725 if (adapter->link_changed)
2726 netxen_nic_set_link_parameters(adapter);
2730 if (netxen_check_health(adapter))
2734 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2738 netxen_store_bridged_mode(struct device *dev,
2739 struct device_attribute *attr, const char *buf, size_t len)
2741 struct net_device *net = to_net_dev(dev);
2742 struct netxen_adapter *adapter = netdev_priv(net);
2746 if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
2749 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2752 if (kstrtoul(buf, 2, &new))
2755 if (!netxen_config_bridged_mode(adapter, !!new))
2763 netxen_show_bridged_mode(struct device *dev,
2764 struct device_attribute *attr, char *buf)
2766 struct net_device *net = to_net_dev(dev);
2767 struct netxen_adapter *adapter;
2768 int bridged_mode = 0;
2770 adapter = netdev_priv(net);
2772 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2773 bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
2775 return sprintf(buf, "%d\n", bridged_mode);
2778 static const struct device_attribute dev_attr_bridged_mode = {
2779 .attr = { .name = "bridged_mode", .mode = 0644 },
2780 .show = netxen_show_bridged_mode,
2781 .store = netxen_store_bridged_mode,
2785 netxen_store_diag_mode(struct device *dev,
2786 struct device_attribute *attr, const char *buf, size_t len)
2788 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2791 if (kstrtoul(buf, 2, &new))
2794 if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2795 adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
2801 netxen_show_diag_mode(struct device *dev,
2802 struct device_attribute *attr, char *buf)
2804 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2806 return sprintf(buf, "%d\n",
2807 !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
2810 static const struct device_attribute dev_attr_diag_mode = {
2811 .attr = { .name = "diag_mode", .mode = 0644 },
2812 .show = netxen_show_diag_mode,
2813 .store = netxen_store_diag_mode,
2817 netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
2818 loff_t offset, size_t size)
2820 size_t crb_size = 4;
2822 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2825 if (offset < NETXEN_PCI_CRBSPACE) {
2826 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2829 if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2830 NETXEN_PCI_CAMQM_2M_END))
2836 if ((size != crb_size) || (offset & (crb_size-1)))
2843 netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj,
2844 struct bin_attribute *attr,
2845 char *buf, loff_t offset, size_t size)
2847 struct device *dev = kobj_to_dev(kobj);
2848 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2853 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2857 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2858 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2859 NETXEN_PCI_CAMQM_2M_END)) {
2860 netxen_pci_camqm_read_2M(adapter, offset, &qmdata);
2861 memcpy(buf, &qmdata, size);
2863 data = NXRD32(adapter, offset);
2864 memcpy(buf, &data, size);
2871 netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj,
2872 struct bin_attribute *attr,
2873 char *buf, loff_t offset, size_t size)
2875 struct device *dev = kobj_to_dev(kobj);
2876 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2881 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2885 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2886 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2887 NETXEN_PCI_CAMQM_2M_END)) {
2888 memcpy(&qmdata, buf, size);
2889 netxen_pci_camqm_write_2M(adapter, offset, qmdata);
2891 memcpy(&data, buf, size);
2892 NXWR32(adapter, offset, data);
2899 netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
2900 loff_t offset, size_t size)
2902 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2905 if ((size != 8) || (offset & 0x7))
2912 netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj,
2913 struct bin_attribute *attr,
2914 char *buf, loff_t offset, size_t size)
2916 struct device *dev = kobj_to_dev(kobj);
2917 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2921 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2925 if (adapter->pci_mem_read(adapter, offset, &data))
2928 memcpy(buf, &data, size);
2933 static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj,
2934 struct bin_attribute *attr, char *buf,
2935 loff_t offset, size_t size)
2937 struct device *dev = kobj_to_dev(kobj);
2938 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2942 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2946 memcpy(&data, buf, size);
2948 if (adapter->pci_mem_write(adapter, offset, data))
2955 static const struct bin_attribute bin_attr_crb = {
2956 .attr = { .name = "crb", .mode = 0644 },
2958 .read = netxen_sysfs_read_crb,
2959 .write = netxen_sysfs_write_crb,
2962 static const struct bin_attribute bin_attr_mem = {
2963 .attr = { .name = "mem", .mode = 0644 },
2965 .read = netxen_sysfs_read_mem,
2966 .write = netxen_sysfs_write_mem,
2970 netxen_sysfs_read_dimm(struct file *filp, struct kobject *kobj,
2971 struct bin_attribute *attr,
2972 char *buf, loff_t offset, size_t size)
2974 struct device *dev = kobj_to_dev(kobj);
2975 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2976 struct net_device *netdev = adapter->netdev;
2977 struct netxen_dimm_cfg dimm;
2978 u8 dw, rows, cols, banks, ranks;
2981 if (size < attr->size) {
2982 netdev_err(netdev, "Invalid size\n");
2986 memset(&dimm, 0, sizeof(struct netxen_dimm_cfg));
2987 val = NXRD32(adapter, NETXEN_DIMM_CAPABILITY);
2989 /* Checks if DIMM info is valid. */
2990 if (val & NETXEN_DIMM_VALID_FLAG) {
2991 netdev_err(netdev, "Invalid DIMM flag\n");
2992 dimm.presence = 0xff;
2996 rows = NETXEN_DIMM_NUMROWS(val);
2997 cols = NETXEN_DIMM_NUMCOLS(val);
2998 ranks = NETXEN_DIMM_NUMRANKS(val);
2999 banks = NETXEN_DIMM_NUMBANKS(val);
3000 dw = NETXEN_DIMM_DATAWIDTH(val);
3002 dimm.presence = (val & NETXEN_DIMM_PRESENT);
3004 /* Checks if DIMM info is present. */
3005 if (!dimm.presence) {
3006 netdev_err(netdev, "DIMM not present\n");
3010 dimm.dimm_type = NETXEN_DIMM_TYPE(val);
3012 switch (dimm.dimm_type) {
3013 case NETXEN_DIMM_TYPE_RDIMM:
3014 case NETXEN_DIMM_TYPE_UDIMM:
3015 case NETXEN_DIMM_TYPE_SO_DIMM:
3016 case NETXEN_DIMM_TYPE_Micro_DIMM:
3017 case NETXEN_DIMM_TYPE_Mini_RDIMM:
3018 case NETXEN_DIMM_TYPE_Mini_UDIMM:
3021 netdev_err(netdev, "Invalid DIMM type %x\n", dimm.dimm_type);
3025 if (val & NETXEN_DIMM_MEMTYPE_DDR2_SDRAM)
3026 dimm.mem_type = NETXEN_DIMM_MEM_DDR2_SDRAM;
3028 dimm.mem_type = NETXEN_DIMM_MEMTYPE(val);
3030 if (val & NETXEN_DIMM_SIZE) {
3031 dimm.size = NETXEN_DIMM_STD_MEM_SIZE;
3036 netdev_err(netdev, "Invalid no of rows %x\n", rows);
3041 netdev_err(netdev, "Invalid no of columns %x\n", cols);
3046 netdev_err(netdev, "Invalid no of banks %x\n", banks);
3078 netdev_err(netdev, "Invalid data-width %x\n", dw);
3082 dimm.size = ((1 << rows) * (1 << cols) * dw * banks * ranks) / 8;
3083 /* Size returned in MB. */
3084 dimm.size = (dimm.size) / 0x100000;
3086 memcpy(buf, &dimm, sizeof(struct netxen_dimm_cfg));
3087 return sizeof(struct netxen_dimm_cfg);
3091 static const struct bin_attribute bin_attr_dimm = {
3092 .attr = { .name = "dimm", .mode = 0644 },
3093 .size = sizeof(struct netxen_dimm_cfg),
3094 .read = netxen_sysfs_read_dimm,
3099 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
3101 struct device *dev = &adapter->pdev->dev;
3103 if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
3104 /* bridged_mode control */
3105 if (device_create_file(dev, &dev_attr_bridged_mode)) {
3107 "failed to create bridged_mode sysfs entry\n");
3113 netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
3115 struct device *dev = &adapter->pdev->dev;
3117 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
3118 device_remove_file(dev, &dev_attr_bridged_mode);
3122 netxen_create_diag_entries(struct netxen_adapter *adapter)
3124 struct pci_dev *pdev = adapter->pdev;
3128 if (device_create_file(dev, &dev_attr_diag_mode))
3129 dev_info(dev, "failed to create diag_mode sysfs entry\n");
3130 if (device_create_bin_file(dev, &bin_attr_crb))
3131 dev_info(dev, "failed to create crb sysfs entry\n");
3132 if (device_create_bin_file(dev, &bin_attr_mem))
3133 dev_info(dev, "failed to create mem sysfs entry\n");
3134 if (device_create_bin_file(dev, &bin_attr_dimm))
3135 dev_info(dev, "failed to create dimm sysfs entry\n");
3140 netxen_remove_diag_entries(struct netxen_adapter *adapter)
3142 struct pci_dev *pdev = adapter->pdev;
3143 struct device *dev = &pdev->dev;
3145 device_remove_file(dev, &dev_attr_diag_mode);
3146 device_remove_bin_file(dev, &bin_attr_crb);
3147 device_remove_bin_file(dev, &bin_attr_mem);
3148 device_remove_bin_file(dev, &bin_attr_dimm);
3153 #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
3156 netxen_destip_supported(struct netxen_adapter *adapter)
3158 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
3161 if (adapter->ahw.cut_through)
3168 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3170 struct nx_ip_list *cur, *tmp_cur;
3172 list_for_each_entry_safe(cur, tmp_cur, &adapter->ip_list, list) {
3175 netxen_config_ipaddr(adapter, cur->ip_addr,
3177 list_del(&cur->list);
3181 netxen_config_ipaddr(adapter, cur->ip_addr, NX_IP_DOWN);
3182 list_del(&cur->list);
3189 netxen_list_config_ip(struct netxen_adapter *adapter,
3190 struct in_ifaddr *ifa, unsigned long event)
3192 struct net_device *dev;
3193 struct nx_ip_list *cur, *tmp_cur;
3194 struct list_head *head;
3197 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3204 list_for_each(head, &adapter->ip_list) {
3205 cur = list_entry(head, struct nx_ip_list, list);
3207 if (cur->ip_addr == ifa->ifa_address)
3211 cur = kzalloc(sizeof(struct nx_ip_list), GFP_ATOMIC);
3214 if (is_vlan_dev(dev))
3215 dev = vlan_dev_real_dev(dev);
3216 cur->master = !!netif_is_bond_master(dev);
3217 cur->ip_addr = ifa->ifa_address;
3218 list_add_tail(&cur->list, &adapter->ip_list);
3219 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
3223 list_for_each_entry_safe(cur, tmp_cur,
3224 &adapter->ip_list, list) {
3225 if (cur->ip_addr == ifa->ifa_address) {
3226 list_del(&cur->list);
3228 netxen_config_ipaddr(adapter, ifa->ifa_address,
3240 netxen_config_indev_addr(struct netxen_adapter *adapter,
3241 struct net_device *dev, unsigned long event)
3243 struct in_device *indev;
3244 struct in_ifaddr *ifa;
3246 if (!netxen_destip_supported(adapter))
3249 indev = in_dev_get(dev);
3254 in_dev_for_each_ifa_rcu(ifa, indev) {
3257 netxen_list_config_ip(adapter, ifa, NX_IP_UP);
3260 netxen_list_config_ip(adapter, ifa, NX_IP_DOWN);
3271 netxen_restore_indev_addr(struct net_device *netdev, unsigned long event)
3274 struct netxen_adapter *adapter = netdev_priv(netdev);
3275 struct nx_ip_list *pos, *tmp_pos;
3276 unsigned long ip_event;
3278 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3279 netxen_config_indev_addr(adapter, netdev, event);
3281 list_for_each_entry_safe(pos, tmp_pos, &adapter->ip_list, list) {
3282 netxen_config_ipaddr(adapter, pos->ip_addr, ip_event);
3287 netxen_config_checkdev(struct net_device *dev)
3289 struct netxen_adapter *adapter;
3291 if (!is_netxen_netdev(dev))
3293 adapter = netdev_priv(dev);
3296 if (!netxen_destip_supported(adapter))
3298 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
3305 * netxen_config_master - configure addresses based on master
3306 * @dev: netxen device
3307 * @event: netdev event
3309 static void netxen_config_master(struct net_device *dev, unsigned long event)
3311 struct net_device *master, *slave;
3312 struct netxen_adapter *adapter = netdev_priv(dev);
3315 master = netdev_master_upper_dev_get_rcu(dev);
3317 * This is the case where the netxen nic is being
3318 * enslaved and is dev_open()ed in bond_enslave()
3319 * Now we should program the bond's (and its vlans')
3320 * addresses in the netxen NIC.
3322 if (master && netif_is_bond_master(master) &&
3323 !netif_is_bond_slave(dev)) {
3324 netxen_config_indev_addr(adapter, master, event);
3325 for_each_netdev_rcu(&init_net, slave)
3326 if (is_vlan_dev(slave) &&
3327 vlan_dev_real_dev(slave) == master)
3328 netxen_config_indev_addr(adapter, slave, event);
3332 * This is the case where the netxen nic is being
3333 * released and is dev_close()ed in bond_release()
3334 * just before IFF_BONDING is stripped.
3336 if (!master && dev->priv_flags & IFF_BONDING)
3337 netxen_free_ip_list(adapter, true);
3340 static int netxen_netdev_event(struct notifier_block *this,
3341 unsigned long event, void *ptr)
3343 struct netxen_adapter *adapter;
3344 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3345 struct net_device *orig_dev = dev;
3346 struct net_device *slave;
3352 if (is_vlan_dev(dev)) {
3353 dev = vlan_dev_real_dev(dev);
3356 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3357 /* If this is a bonding device, look for netxen-based slaves*/
3358 if (netif_is_bond_master(dev)) {
3360 for_each_netdev_in_bond_rcu(dev, slave) {
3361 if (!netxen_config_checkdev(slave))
3363 adapter = netdev_priv(slave);
3364 netxen_config_indev_addr(adapter,
3369 if (!netxen_config_checkdev(dev))
3371 adapter = netdev_priv(dev);
3372 /* Act only if the actual netxen is the target */
3373 if (orig_dev == dev)
3374 netxen_config_master(dev, event);
3375 netxen_config_indev_addr(adapter, orig_dev, event);
3383 netxen_inetaddr_event(struct notifier_block *this,
3384 unsigned long event, void *ptr)
3386 struct netxen_adapter *adapter;
3387 struct net_device *dev, *slave;
3388 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3389 unsigned long ip_event;
3391 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3392 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3397 if (is_vlan_dev(dev)) {
3398 dev = vlan_dev_real_dev(dev);
3401 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3402 /* If this is a bonding device, look for netxen-based slaves*/
3403 if (netif_is_bond_master(dev)) {
3405 for_each_netdev_in_bond_rcu(dev, slave) {
3406 if (!netxen_config_checkdev(slave))
3408 adapter = netdev_priv(slave);
3409 netxen_list_config_ip(adapter, ifa, ip_event);
3413 if (!netxen_config_checkdev(dev))
3415 adapter = netdev_priv(dev);
3416 netxen_list_config_ip(adapter, ifa, ip_event);
3423 static struct notifier_block netxen_netdev_cb = {
3424 .notifier_call = netxen_netdev_event,
3427 static struct notifier_block netxen_inetaddr_cb = {
3428 .notifier_call = netxen_inetaddr_event,
3432 netxen_restore_indev_addr(struct net_device *dev, unsigned long event)
3435 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3439 static const struct pci_error_handlers netxen_err_handler = {
3440 .error_detected = netxen_io_error_detected,
3441 .slot_reset = netxen_io_slot_reset,
3444 static SIMPLE_DEV_PM_OPS(netxen_nic_pm_ops,
3448 static struct pci_driver netxen_driver = {
3449 .name = netxen_nic_driver_name,
3450 .id_table = netxen_pci_tbl,
3451 .probe = netxen_nic_probe,
3452 .remove = netxen_nic_remove,
3453 .driver.pm = &netxen_nic_pm_ops,
3454 .shutdown = netxen_nic_shutdown,
3455 .err_handler = &netxen_err_handler
3458 static int __init netxen_init_module(void)
3460 printk(KERN_INFO "%s\n", netxen_nic_driver_string);
3463 register_netdevice_notifier(&netxen_netdev_cb);
3464 register_inetaddr_notifier(&netxen_inetaddr_cb);
3466 return pci_register_driver(&netxen_driver);
3469 module_init(netxen_init_module);
3471 static void __exit netxen_exit_module(void)
3473 pci_unregister_driver(&netxen_driver);
3476 unregister_inetaddr_notifier(&netxen_inetaddr_cb);
3477 unregister_netdevice_notifier(&netxen_netdev_cb);
3481 module_exit(netxen_exit_module);