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, see <http://www.gnu.org/licenses/>.
19 * The full GNU General Public License is included in this distribution
20 * in the file called "COPYING".
24 #include <linux/slab.h>
25 #include <linux/vmalloc.h>
26 #include <linux/interrupt.h>
27 #include "netxen_nic_hw.h"
29 #include "netxen_nic.h"
31 #include <linux/dma-mapping.h>
32 #include <linux/if_vlan.h>
34 #include <linux/ipv6.h>
35 #include <linux/inetdevice.h>
36 #include <linux/sysfs.h>
37 #include <linux/aer.h>
39 MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Intelligent Ethernet Driver");
40 MODULE_LICENSE("GPL");
41 MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
44 char netxen_nic_driver_name[] = "netxen_nic";
45 static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v"
46 NETXEN_NIC_LINUX_VERSIONID;
48 static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
50 /* Default to restricted 1G auto-neg mode */
51 static int wol_port_mode = 5;
53 static int use_msi = 1;
55 static int use_msi_x = 1;
57 static int auto_fw_reset = AUTO_FW_RESET_ENABLED;
58 module_param(auto_fw_reset, int, 0644);
59 MODULE_PARM_DESC(auto_fw_reset,"Auto firmware reset (0=disabled, 1=enabled");
61 static int netxen_nic_probe(struct pci_dev *pdev,
62 const struct pci_device_id *ent);
63 static void netxen_nic_remove(struct pci_dev *pdev);
64 static int netxen_nic_open(struct net_device *netdev);
65 static int netxen_nic_close(struct net_device *netdev);
66 static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *,
68 static void netxen_tx_timeout(struct net_device *netdev);
69 static void netxen_tx_timeout_task(struct work_struct *work);
70 static void netxen_fw_poll_work(struct work_struct *work);
71 static void netxen_schedule_work(struct netxen_adapter *adapter,
72 work_func_t func, int delay);
73 static void netxen_cancel_fw_work(struct netxen_adapter *adapter);
74 static int netxen_nic_poll(struct napi_struct *napi, int budget);
76 static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
77 static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
78 static void netxen_create_diag_entries(struct netxen_adapter *adapter);
79 static void netxen_remove_diag_entries(struct netxen_adapter *adapter);
80 static int nx_dev_request_aer(struct netxen_adapter *adapter);
81 static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter);
82 static int netxen_can_start_firmware(struct netxen_adapter *adapter);
84 static irqreturn_t netxen_intr(int irq, void *data);
85 static irqreturn_t netxen_msi_intr(int irq, void *data);
86 static irqreturn_t netxen_msix_intr(int irq, void *data);
88 static void netxen_free_ip_list(struct netxen_adapter *, bool);
89 static void netxen_restore_indev_addr(struct net_device *dev, unsigned long);
90 static void netxen_nic_get_stats(struct net_device *dev,
91 struct rtnl_link_stats64 *stats);
92 static int netxen_nic_set_mac(struct net_device *netdev, void *p);
94 /* PCI Device ID Table */
95 #define ENTRY(device) \
96 {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
97 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
99 static const struct pci_device_id netxen_pci_tbl[] = {
100 ENTRY(PCI_DEVICE_ID_NX2031_10GXSR),
101 ENTRY(PCI_DEVICE_ID_NX2031_10GCX4),
102 ENTRY(PCI_DEVICE_ID_NX2031_4GCU),
103 ENTRY(PCI_DEVICE_ID_NX2031_IMEZ),
104 ENTRY(PCI_DEVICE_ID_NX2031_HMEZ),
105 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT),
106 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2),
107 ENTRY(PCI_DEVICE_ID_NX3031),
111 MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
113 static uint32_t crb_cmd_producer[4] = {
114 CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
115 CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
119 netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
120 struct nx_host_tx_ring *tx_ring)
122 NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer);
125 static uint32_t crb_cmd_consumer[4] = {
126 CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1,
127 CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3
131 netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
132 struct nx_host_tx_ring *tx_ring)
134 NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer);
137 static uint32_t msi_tgt_status[8] = {
138 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
139 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
140 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
141 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
144 static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
146 static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring)
148 struct netxen_adapter *adapter = sds_ring->adapter;
150 NXWRIO(adapter, sds_ring->crb_intr_mask, 0);
153 static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring)
155 struct netxen_adapter *adapter = sds_ring->adapter;
157 NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1);
159 if (!NETXEN_IS_MSI_FAMILY(adapter))
160 NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff);
164 netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count)
166 int size = sizeof(struct nx_host_sds_ring) * count;
168 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
170 return recv_ctx->sds_rings == NULL;
174 netxen_free_sds_rings(struct netxen_recv_context *recv_ctx)
176 kfree(recv_ctx->sds_rings);
177 recv_ctx->sds_rings = NULL;
181 netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
184 struct nx_host_sds_ring *sds_ring;
185 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
187 if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
190 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
191 sds_ring = &recv_ctx->sds_rings[ring];
192 netif_napi_add(netdev, &sds_ring->napi,
193 netxen_nic_poll, NAPI_POLL_WEIGHT);
200 netxen_napi_del(struct netxen_adapter *adapter)
203 struct nx_host_sds_ring *sds_ring;
204 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
206 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
207 sds_ring = &recv_ctx->sds_rings[ring];
208 netif_napi_del(&sds_ring->napi);
211 netxen_free_sds_rings(&adapter->recv_ctx);
215 netxen_napi_enable(struct netxen_adapter *adapter)
218 struct nx_host_sds_ring *sds_ring;
219 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
221 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
222 sds_ring = &recv_ctx->sds_rings[ring];
223 napi_enable(&sds_ring->napi);
224 netxen_nic_enable_int(sds_ring);
229 netxen_napi_disable(struct netxen_adapter *adapter)
232 struct nx_host_sds_ring *sds_ring;
233 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
235 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
236 sds_ring = &recv_ctx->sds_rings[ring];
237 netxen_nic_disable_int(sds_ring);
238 napi_synchronize(&sds_ring->napi);
239 napi_disable(&sds_ring->napi);
243 static int nx_set_dma_mask(struct netxen_adapter *adapter)
245 struct pci_dev *pdev = adapter->pdev;
246 uint64_t mask, cmask;
248 adapter->pci_using_dac = 0;
250 mask = DMA_BIT_MASK(32);
251 cmask = DMA_BIT_MASK(32);
253 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
255 mask = DMA_BIT_MASK(35);
258 mask = DMA_BIT_MASK(39);
262 if (pci_set_dma_mask(pdev, mask) == 0 &&
263 pci_set_consistent_dma_mask(pdev, cmask) == 0) {
264 adapter->pci_using_dac = 1;
271 /* Update addressable range if firmware supports it */
273 nx_update_dma_mask(struct netxen_adapter *adapter)
275 int change, shift, err;
276 uint64_t mask, old_mask, old_cmask;
277 struct pci_dev *pdev = adapter->pdev;
281 shift = NXRD32(adapter, CRB_DMA_SHIFT);
285 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9))
287 else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4))
291 old_mask = pdev->dma_mask;
292 old_cmask = pdev->dev.coherent_dma_mask;
294 mask = DMA_BIT_MASK(32+shift);
296 err = pci_set_dma_mask(pdev, mask);
300 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
302 err = pci_set_consistent_dma_mask(pdev, mask);
306 dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift);
312 pci_set_dma_mask(pdev, old_mask);
313 pci_set_consistent_dma_mask(pdev, old_cmask);
318 netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
322 if (first_boot == 0x55555555) {
323 /* This is the first boot after power up */
324 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
326 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
329 /* PCI bus master workaround */
330 first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4));
331 if (!(first_boot & 0x4)) {
333 NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot);
334 NXRD32(adapter, NETXEN_PCIE_REG(0x4));
337 /* This is the first boot after power up */
338 first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET);
339 if (first_boot != 0x80000f) {
340 /* clear the register for future unloads/loads */
341 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0);
345 /* Start P2 boot loader */
346 val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
347 NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1);
351 val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
353 if (++timeout > 5000)
356 } while (val == NETXEN_BDINFO_MAGIC);
361 static void netxen_set_port_mode(struct netxen_adapter *adapter)
365 val = adapter->ahw.board_type;
366 if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
367 (val == NETXEN_BRDTYPE_P3_XG_LOM)) {
368 if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
369 data = NETXEN_PORT_MODE_802_3_AP;
370 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
371 } else if (port_mode == NETXEN_PORT_MODE_XG) {
372 data = NETXEN_PORT_MODE_XG;
373 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
374 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) {
375 data = NETXEN_PORT_MODE_AUTO_NEG_1G;
376 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
377 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) {
378 data = NETXEN_PORT_MODE_AUTO_NEG_XG;
379 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
381 data = NETXEN_PORT_MODE_AUTO_NEG;
382 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
385 if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) &&
386 (wol_port_mode != NETXEN_PORT_MODE_XG) &&
387 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) &&
388 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) {
389 wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG;
391 NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode);
395 #define PCI_CAP_ID_GEN 0x10
397 static void netxen_pcie_strap_init(struct netxen_adapter *adapter)
404 struct pci_dev *pdev;
406 pdev = adapter->pdev;
408 chicken = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3));
409 /* clear chicken3.25:24 */
410 chicken &= 0xFCFFFFFF;
412 * if gen1 and B0, set F1020 - if gen 2, do nothing
413 * if gen2 set to F1000
415 pos = pci_find_capability(pdev, PCI_CAP_ID_GEN);
417 pci_read_config_dword(pdev, pos + 0x10, &control);
418 if ((control & 0x000F0000) != 0x00020000) {
419 /* set chicken3.24 if gen1 */
420 chicken |= 0x01000000;
422 dev_info(&adapter->pdev->dev, "Gen2 strapping detected\n");
425 /* set chicken3.24 if gen1 */
426 chicken |= 0x01000000;
427 dev_info(&adapter->pdev->dev, "Gen1 strapping detected\n");
428 if (adapter->ahw.revision_id == NX_P3_B0)
434 NXWR32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3), chicken);
439 pdevfuncsave = pdev->devfn;
440 if (pdevfuncsave & 0x07)
443 for (i = 0; i < 8; i++) {
444 pci_read_config_dword(pdev, pos + 8, &control);
445 pci_read_config_dword(pdev, pos + 8, &control);
446 pci_write_config_dword(pdev, pos + 8, c8c9value);
449 pdev->devfn = pdevfuncsave;
452 static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
456 if (pdev->msix_cap) {
457 pci_read_config_dword(pdev, pdev->msix_cap, &control);
459 control |= PCI_MSIX_FLAGS_ENABLE;
462 pci_write_config_dword(pdev, pdev->msix_cap, control);
466 static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count)
470 for (i = 0; i < count; i++)
471 adapter->msix_entries[i].entry = i;
475 netxen_read_mac_addr(struct netxen_adapter *adapter)
480 struct net_device *netdev = adapter->netdev;
481 struct pci_dev *pdev = adapter->pdev;
483 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
484 if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
487 if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0)
491 p = (unsigned char *)&mac_addr;
492 for (i = 0; i < 6; i++)
493 netdev->dev_addr[i] = *(p + 5 - i);
495 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
497 /* set station address */
499 if (!is_valid_ether_addr(netdev->dev_addr))
500 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr);
505 static int netxen_nic_set_mac(struct net_device *netdev, void *p)
507 struct netxen_adapter *adapter = netdev_priv(netdev);
508 struct sockaddr *addr = p;
510 if (!is_valid_ether_addr(addr->sa_data))
511 return -EADDRNOTAVAIL;
513 if (netif_running(netdev)) {
514 netif_device_detach(netdev);
515 netxen_napi_disable(adapter);
518 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
519 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
520 adapter->macaddr_set(adapter, addr->sa_data);
522 if (netif_running(netdev)) {
523 netif_device_attach(netdev);
524 netxen_napi_enable(adapter);
529 static void netxen_set_multicast_list(struct net_device *dev)
531 struct netxen_adapter *adapter = netdev_priv(dev);
533 adapter->set_multi(dev);
536 static netdev_features_t netxen_fix_features(struct net_device *dev,
537 netdev_features_t features)
539 if (!(features & NETIF_F_RXCSUM)) {
540 netdev_info(dev, "disabling LRO as RXCSUM is off\n");
542 features &= ~NETIF_F_LRO;
548 static int netxen_set_features(struct net_device *dev,
549 netdev_features_t features)
551 struct netxen_adapter *adapter = netdev_priv(dev);
554 if (!((dev->features ^ features) & NETIF_F_LRO))
557 hw_lro = (features & NETIF_F_LRO) ? NETXEN_NIC_LRO_ENABLED
558 : NETXEN_NIC_LRO_DISABLED;
560 if (netxen_config_hw_lro(adapter, hw_lro))
563 if (!(features & NETIF_F_LRO) && netxen_send_lro_cleanup(adapter))
569 static const struct net_device_ops netxen_netdev_ops = {
570 .ndo_open = netxen_nic_open,
571 .ndo_stop = netxen_nic_close,
572 .ndo_start_xmit = netxen_nic_xmit_frame,
573 .ndo_get_stats64 = netxen_nic_get_stats,
574 .ndo_validate_addr = eth_validate_addr,
575 .ndo_set_rx_mode = netxen_set_multicast_list,
576 .ndo_set_mac_address = netxen_nic_set_mac,
577 .ndo_change_mtu = netxen_nic_change_mtu,
578 .ndo_tx_timeout = netxen_tx_timeout,
579 .ndo_fix_features = netxen_fix_features,
580 .ndo_set_features = netxen_set_features,
583 static inline void netxen_set_interrupt_mode(struct netxen_adapter *adapter,
586 NXWR32(adapter, NETXEN_INTR_MODE_REG, mode);
589 static inline u32 netxen_get_interrupt_mode(struct netxen_adapter *adapter)
591 return NXRD32(adapter, NETXEN_INTR_MODE_REG);
595 netxen_initialize_interrupt_registers(struct netxen_adapter *adapter)
597 struct netxen_legacy_intr_set *legacy_intrp;
598 u32 tgt_status_reg, int_state_reg;
600 if (adapter->ahw.revision_id >= NX_P3_B0)
601 legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
603 legacy_intrp = &legacy_intr[0];
605 tgt_status_reg = legacy_intrp->tgt_status_reg;
606 int_state_reg = ISR_INT_STATE_REG;
608 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
609 adapter->tgt_status_reg = netxen_get_ioaddr(adapter, tgt_status_reg);
610 adapter->tgt_mask_reg = netxen_get_ioaddr(adapter,
611 legacy_intrp->tgt_mask_reg);
612 adapter->pci_int_reg = netxen_get_ioaddr(adapter,
613 legacy_intrp->pci_int_reg);
614 adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR);
616 if (adapter->ahw.revision_id >= NX_P3_B1)
617 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
620 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
624 static int netxen_setup_msi_interrupts(struct netxen_adapter *adapter,
627 struct pci_dev *pdev = adapter->pdev;
631 if (adapter->msix_supported) {
632 netxen_init_msix_entries(adapter, num_msix);
633 err = pci_enable_msix_range(pdev, adapter->msix_entries,
636 adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
637 netxen_set_msix_bit(pdev, 1);
639 if (adapter->rss_supported)
640 adapter->max_sds_rings = num_msix;
642 dev_info(&pdev->dev, "using msi-x interrupts\n");
645 /* fall through for msi */
648 if (use_msi && !pci_enable_msi(pdev)) {
649 value = msi_tgt_status[adapter->ahw.pci_func];
650 adapter->flags |= NETXEN_NIC_MSI_ENABLED;
651 adapter->tgt_status_reg = netxen_get_ioaddr(adapter, value);
652 adapter->msix_entries[0].vector = pdev->irq;
653 dev_info(&pdev->dev, "using msi interrupts\n");
657 dev_err(&pdev->dev, "Failed to acquire MSI-X/MSI interrupt vector\n");
661 static int netxen_setup_intr(struct netxen_adapter *adapter)
663 struct pci_dev *pdev = adapter->pdev;
666 if (adapter->rss_supported)
667 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
668 MSIX_ENTRIES_PER_ADAPTER : 2;
672 adapter->max_sds_rings = 1;
673 adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
675 netxen_initialize_interrupt_registers(adapter);
676 netxen_set_msix_bit(pdev, 0);
678 if (adapter->portnum == 0) {
679 if (!netxen_setup_msi_interrupts(adapter, num_msix))
680 netxen_set_interrupt_mode(adapter, NETXEN_MSI_MODE);
682 netxen_set_interrupt_mode(adapter, NETXEN_INTX_MODE);
684 if (netxen_get_interrupt_mode(adapter) == NETXEN_MSI_MODE &&
685 netxen_setup_msi_interrupts(adapter, num_msix)) {
686 dev_err(&pdev->dev, "Co-existence of MSI-X/MSI and INTx interrupts is not supported\n");
691 if (!NETXEN_IS_MSI_FAMILY(adapter)) {
692 adapter->msix_entries[0].vector = pdev->irq;
693 dev_info(&pdev->dev, "using legacy interrupts\n");
699 netxen_teardown_intr(struct netxen_adapter *adapter)
701 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
702 pci_disable_msix(adapter->pdev);
703 if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
704 pci_disable_msi(adapter->pdev);
708 netxen_cleanup_pci_map(struct netxen_adapter *adapter)
710 if (adapter->ahw.db_base != NULL)
711 iounmap(adapter->ahw.db_base);
712 if (adapter->ahw.pci_base0 != NULL)
713 iounmap(adapter->ahw.pci_base0);
714 if (adapter->ahw.pci_base1 != NULL)
715 iounmap(adapter->ahw.pci_base1);
716 if (adapter->ahw.pci_base2 != NULL)
717 iounmap(adapter->ahw.pci_base2);
721 netxen_setup_pci_map(struct netxen_adapter *adapter)
723 void __iomem *db_ptr = NULL;
725 resource_size_t mem_base, db_base;
726 unsigned long mem_len, db_len = 0;
728 struct pci_dev *pdev = adapter->pdev;
729 int pci_func = adapter->ahw.pci_func;
730 struct netxen_hardware_context *ahw = &adapter->ahw;
735 * Set the CRB window to invalid. If any register in window 0 is
736 * accessed it should set the window to 0 and then reset it to 1.
738 adapter->ahw.crb_win = -1;
739 adapter->ahw.ocm_win = -1;
741 /* remap phys address */
742 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
743 mem_len = pci_resource_len(pdev, 0);
745 /* 128 Meg of memory */
746 if (mem_len == NETXEN_PCI_128MB_SIZE) {
748 ahw->pci_base0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
749 ahw->pci_base1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
750 SECOND_PAGE_GROUP_SIZE);
751 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
752 THIRD_PAGE_GROUP_SIZE);
753 if (ahw->pci_base0 == NULL || ahw->pci_base1 == NULL ||
754 ahw->pci_base2 == NULL) {
755 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
760 ahw->pci_len0 = FIRST_PAGE_GROUP_SIZE;
762 } else if (mem_len == NETXEN_PCI_32MB_SIZE) {
764 ahw->pci_base1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
765 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
766 SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
767 if (ahw->pci_base1 == NULL || ahw->pci_base2 == NULL) {
768 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
773 } else if (mem_len == NETXEN_PCI_2MB_SIZE) {
775 ahw->pci_base0 = pci_ioremap_bar(pdev, 0);
776 if (ahw->pci_base0 == NULL) {
777 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
780 ahw->pci_len0 = mem_len;
785 netxen_setup_hwops(adapter);
787 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
789 if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
790 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
791 NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
793 } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
794 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
795 NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
798 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
801 db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
802 db_len = pci_resource_len(pdev, 4);
805 printk(KERN_ERR "%s: doorbell is disabled\n",
806 netxen_nic_driver_name);
811 db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
813 printk(KERN_ERR "%s: Failed to allocate doorbell map.",
814 netxen_nic_driver_name);
820 adapter->ahw.db_base = db_ptr;
821 adapter->ahw.db_len = db_len;
825 netxen_cleanup_pci_map(adapter);
830 netxen_check_options(struct netxen_adapter *adapter)
832 u32 fw_major, fw_minor, fw_build, prev_fw_version;
833 char brd_name[NETXEN_MAX_SHORT_NAME];
835 int i, offset, val, err;
837 struct pci_dev *pdev = adapter->pdev;
839 adapter->driver_mismatch = 0;
841 ptr32 = (__le32 *)&serial_num;
842 offset = NX_FW_SERIAL_NUM_OFFSET;
843 for (i = 0; i < 8; i++) {
844 err = netxen_rom_fast_read(adapter, offset, &val);
846 dev_err(&pdev->dev, "error reading board info\n");
847 adapter->driver_mismatch = 1;
850 ptr32[i] = cpu_to_le32(val);
851 offset += sizeof(u32);
854 fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
855 fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
856 fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
857 prev_fw_version = adapter->fw_version;
858 adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
860 /* Get FW Mini Coredump template and store it */
861 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
862 if (adapter->mdump.md_template == NULL ||
863 adapter->fw_version > prev_fw_version) {
864 kfree(adapter->mdump.md_template);
865 adapter->mdump.md_template = NULL;
866 err = netxen_setup_minidump(adapter);
868 dev_err(&adapter->pdev->dev,
869 "Failed to setup minidump rcode = %d\n", err);
873 if (adapter->portnum == 0) {
874 if (netxen_nic_get_brd_name_by_type(adapter->ahw.board_type,
876 strcpy(serial_num, "Unknown");
878 pr_info("%s: %s Board S/N %s Chip rev 0x%x\n",
879 module_name(THIS_MODULE),
880 brd_name, serial_num, adapter->ahw.revision_id);
883 if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) {
884 adapter->driver_mismatch = 1;
885 dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n",
886 fw_major, fw_minor, fw_build);
890 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
891 i = NXRD32(adapter, NETXEN_SRE_MISC);
892 adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0;
895 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d [%s]\n",
896 NETXEN_NIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build,
897 adapter->ahw.cut_through ? "cut-through" : "legacy");
899 if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
900 adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
902 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
903 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
904 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
905 } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
906 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
907 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
910 adapter->msix_supported = 0;
911 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
912 adapter->msix_supported = !!use_msi_x;
913 adapter->rss_supported = !!use_msi_x;
916 netxen_rom_fast_read(adapter,
917 NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
918 flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
920 if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) {
921 switch (adapter->ahw.board_type) {
922 case NETXEN_BRDTYPE_P2_SB31_10G:
923 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
924 adapter->msix_supported = !!use_msi_x;
925 adapter->rss_supported = !!use_msi_x;
933 adapter->num_txd = MAX_CMD_DESCRIPTORS;
935 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
936 adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
937 adapter->max_rds_rings = 3;
939 adapter->num_lro_rxd = 0;
940 adapter->max_rds_rings = 2;
945 netxen_start_firmware(struct netxen_adapter *adapter)
947 int val, err, first_boot;
948 struct pci_dev *pdev = adapter->pdev;
950 /* required for NX2031 dummy dma */
951 err = nx_set_dma_mask(adapter);
955 err = netxen_can_start_firmware(adapter);
963 first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
965 err = netxen_check_hw_init(adapter, first_boot);
967 dev_err(&pdev->dev, "error in init HW init sequence\n");
971 netxen_request_firmware(adapter);
973 err = netxen_need_fw_reset(adapter);
977 goto pcie_strap_init;
979 if (first_boot != 0x55555555) {
980 NXWR32(adapter, CRB_CMDPEG_STATE, 0);
981 netxen_pinit_from_rom(adapter);
985 NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555);
986 NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0);
987 NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0);
989 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
990 netxen_set_port_mode(adapter);
992 err = netxen_load_firmware(adapter);
996 netxen_release_firmware(adapter);
998 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1000 /* Initialize multicast addr pool owners */
1002 if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
1004 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
1008 err = netxen_init_dummy_dma(adapter);
1013 * Tell the hardware our version number.
1015 val = (_NETXEN_NIC_LINUX_MAJOR << 16)
1016 | ((_NETXEN_NIC_LINUX_MINOR << 8))
1017 | (_NETXEN_NIC_LINUX_SUBVERSION);
1018 NXWR32(adapter, CRB_DRIVER_VERSION, val);
1021 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1022 netxen_pcie_strap_init(adapter);
1025 /* Handshake with the card before we register the devices. */
1026 err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
1028 netxen_free_dummy_dma(adapter);
1032 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
1034 nx_update_dma_mask(adapter);
1036 netxen_check_options(adapter);
1038 adapter->need_fw_reset = 0;
1040 /* fall through and release firmware */
1043 netxen_release_firmware(adapter);
1048 netxen_nic_request_irq(struct netxen_adapter *adapter)
1050 irq_handler_t handler;
1051 struct nx_host_sds_ring *sds_ring;
1054 unsigned long flags = 0;
1055 struct net_device *netdev = adapter->netdev;
1056 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1058 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
1059 handler = netxen_msix_intr;
1060 else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
1061 handler = netxen_msi_intr;
1063 flags |= IRQF_SHARED;
1064 handler = netxen_intr;
1066 adapter->irq = netdev->irq;
1068 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1069 sds_ring = &recv_ctx->sds_rings[ring];
1070 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1071 err = request_irq(sds_ring->irq, handler,
1072 flags, sds_ring->name, sds_ring);
1081 netxen_nic_free_irq(struct netxen_adapter *adapter)
1084 struct nx_host_sds_ring *sds_ring;
1086 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1088 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1089 sds_ring = &recv_ctx->sds_rings[ring];
1090 free_irq(sds_ring->irq, sds_ring);
1095 netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter)
1097 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
1098 adapter->coal.normal.data.rx_time_us =
1099 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
1100 adapter->coal.normal.data.rx_packets =
1101 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
1102 adapter->coal.normal.data.tx_time_us =
1103 NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US;
1104 adapter->coal.normal.data.tx_packets =
1105 NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
1108 /* with rtnl_lock */
1110 __netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1114 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1117 err = adapter->init_port(adapter, adapter->physical_port);
1119 printk(KERN_ERR "%s: Failed to initialize port %d\n",
1120 netxen_nic_driver_name, adapter->portnum);
1123 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
1124 adapter->macaddr_set(adapter, adapter->mac_addr);
1126 adapter->set_multi(netdev);
1127 adapter->set_mtu(adapter, netdev->mtu);
1129 adapter->ahw.linkup = 0;
1131 if (adapter->max_sds_rings > 1)
1132 netxen_config_rss(adapter, 1);
1134 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1135 netxen_config_intr_coalesce(adapter);
1137 if (netdev->features & NETIF_F_LRO)
1138 netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED);
1140 netxen_napi_enable(adapter);
1142 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1143 netxen_linkevent_request(adapter, 1);
1145 netxen_nic_set_link_parameters(adapter);
1147 set_bit(__NX_DEV_UP, &adapter->state);
1151 /* Usage: During resume and firmware recovery module.*/
1154 netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1159 if (netif_running(netdev))
1160 err = __netxen_nic_up(adapter, netdev);
1166 /* with rtnl_lock */
1168 __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1170 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1173 if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state))
1177 netif_carrier_off(netdev);
1178 netif_tx_disable(netdev);
1180 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1181 netxen_linkevent_request(adapter, 0);
1183 if (adapter->stop_port)
1184 adapter->stop_port(adapter);
1186 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1187 netxen_p3_free_mac_list(adapter);
1189 adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
1191 netxen_napi_disable(adapter);
1193 netxen_release_tx_buffers(adapter);
1196 /* Usage: During suspend and firmware recovery module */
1199 netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1202 if (netif_running(netdev))
1203 __netxen_nic_down(adapter, netdev);
1209 netxen_nic_attach(struct netxen_adapter *adapter)
1211 struct net_device *netdev = adapter->netdev;
1212 struct pci_dev *pdev = adapter->pdev;
1214 struct nx_host_rds_ring *rds_ring;
1215 struct nx_host_tx_ring *tx_ring;
1218 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
1221 err = netxen_init_firmware(adapter);
1225 adapter->flags &= ~NETXEN_FW_MSS_CAP;
1226 if (adapter->capabilities & NX_FW_CAPABILITY_MORE_CAPS) {
1227 capab2 = NXRD32(adapter, CRB_FW_CAPABILITIES_2);
1228 if (capab2 & NX_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1229 adapter->flags |= NETXEN_FW_MSS_CAP;
1232 err = netxen_napi_add(adapter, netdev);
1236 err = netxen_alloc_sw_resources(adapter);
1238 printk(KERN_ERR "%s: Error in setting sw resources\n",
1243 err = netxen_alloc_hw_resources(adapter);
1245 printk(KERN_ERR "%s: Error in setting hw resources\n",
1247 goto err_out_free_sw;
1250 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1251 tx_ring = adapter->tx_ring;
1252 tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
1253 crb_cmd_producer[adapter->portnum]);
1254 tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter,
1255 crb_cmd_consumer[adapter->portnum]);
1257 tx_ring->producer = 0;
1258 tx_ring->sw_consumer = 0;
1260 netxen_nic_update_cmd_producer(adapter, tx_ring);
1261 netxen_nic_update_cmd_consumer(adapter, tx_ring);
1264 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1265 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1266 netxen_post_rx_buffers(adapter, ring, rds_ring);
1269 err = netxen_nic_request_irq(adapter);
1271 dev_err(&pdev->dev, "%s: failed to setup interrupt\n",
1273 goto err_out_free_rxbuf;
1276 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1277 netxen_nic_init_coalesce_defaults(adapter);
1279 netxen_create_sysfs_entries(adapter);
1281 adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
1285 netxen_release_rx_buffers(adapter);
1286 netxen_free_hw_resources(adapter);
1288 netxen_free_sw_resources(adapter);
1293 netxen_nic_detach(struct netxen_adapter *adapter)
1295 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1298 netxen_remove_sysfs_entries(adapter);
1300 netxen_free_hw_resources(adapter);
1301 netxen_release_rx_buffers(adapter);
1302 netxen_nic_free_irq(adapter);
1303 netxen_napi_del(adapter);
1304 netxen_free_sw_resources(adapter);
1310 netxen_nic_reset_context(struct netxen_adapter *adapter)
1313 struct net_device *netdev = adapter->netdev;
1315 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
1318 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
1320 netif_device_detach(netdev);
1322 if (netif_running(netdev))
1323 __netxen_nic_down(adapter, netdev);
1325 netxen_nic_detach(adapter);
1327 if (netif_running(netdev)) {
1328 err = netxen_nic_attach(adapter);
1330 err = __netxen_nic_up(adapter, netdev);
1336 netif_device_attach(netdev);
1340 clear_bit(__NX_RESETTING, &adapter->state);
1345 netxen_setup_netdev(struct netxen_adapter *adapter,
1346 struct net_device *netdev)
1349 struct pci_dev *pdev = adapter->pdev;
1351 adapter->mc_enabled = 0;
1352 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1353 adapter->max_mc_count = 38;
1355 adapter->max_mc_count = 16;
1357 netdev->netdev_ops = &netxen_netdev_ops;
1358 netdev->watchdog_timeo = 5*HZ;
1360 netxen_nic_change_mtu(netdev, netdev->mtu);
1362 netdev->ethtool_ops = &netxen_nic_ethtool_ops;
1364 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
1367 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1368 netdev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
1370 netdev->vlan_features |= netdev->hw_features;
1372 if (adapter->pci_using_dac) {
1373 netdev->features |= NETIF_F_HIGHDMA;
1374 netdev->vlan_features |= NETIF_F_HIGHDMA;
1377 if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX)
1378 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX;
1380 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
1381 netdev->hw_features |= NETIF_F_LRO;
1383 netdev->features |= netdev->hw_features;
1385 netdev->irq = adapter->msix_entries[0].vector;
1387 INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
1389 if (netxen_read_mac_addr(adapter))
1390 dev_warn(&pdev->dev, "failed to read mac addr\n");
1392 netif_carrier_off(netdev);
1394 err = register_netdev(netdev);
1396 dev_err(&pdev->dev, "failed to register net device\n");
1403 #define NETXEN_ULA_ADAPTER_KEY (0xdaddad01)
1404 #define NETXEN_NON_ULA_ADAPTER_KEY (0xdaddad00)
1406 static void netxen_read_ula_info(struct netxen_adapter *adapter)
1410 /* Print ULA info only once for an adapter */
1411 if (adapter->portnum != 0)
1414 temp = NXRD32(adapter, NETXEN_ULA_KEY);
1416 case NETXEN_ULA_ADAPTER_KEY:
1417 dev_info(&adapter->pdev->dev, "ULA adapter");
1419 case NETXEN_NON_ULA_ADAPTER_KEY:
1420 dev_info(&adapter->pdev->dev, "non ULA adapter");
1429 #ifdef CONFIG_PCIEAER
1430 static void netxen_mask_aer_correctable(struct netxen_adapter *adapter)
1432 struct pci_dev *pdev = adapter->pdev;
1433 struct pci_dev *root = pdev->bus->self;
1440 if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM &&
1441 adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP)
1444 if (pci_pcie_type(root) != PCI_EXP_TYPE_ROOT_PORT)
1447 aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR);
1451 pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff);
1456 netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1458 struct net_device *netdev = NULL;
1459 struct netxen_adapter *adapter = NULL;
1461 int pci_func_id = PCI_FUNC(pdev->devfn);
1462 uint8_t revision_id;
1465 if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
1466 pr_warn("%s: chip revisions between 0x%x-0x%x will not be enabled\n",
1467 module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
1471 if ((err = pci_enable_device(pdev)))
1474 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1476 goto err_out_disable_pdev;
1479 if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
1480 goto err_out_disable_pdev;
1482 if (NX_IS_REVISION_P3(pdev->revision))
1483 pci_enable_pcie_error_reporting(pdev);
1485 pci_set_master(pdev);
1487 netdev = alloc_etherdev(sizeof(struct netxen_adapter));
1490 goto err_out_free_res;
1493 SET_NETDEV_DEV(netdev, &pdev->dev);
1495 adapter = netdev_priv(netdev);
1496 adapter->netdev = netdev;
1497 adapter->pdev = pdev;
1498 adapter->ahw.pci_func = pci_func_id;
1500 revision_id = pdev->revision;
1501 adapter->ahw.revision_id = revision_id;
1503 rwlock_init(&adapter->ahw.crb_lock);
1504 spin_lock_init(&adapter->ahw.mem_lock);
1506 spin_lock_init(&adapter->tx_clean_lock);
1507 INIT_LIST_HEAD(&adapter->mac_list);
1508 INIT_LIST_HEAD(&adapter->ip_list);
1510 err = netxen_setup_pci_map(adapter);
1512 goto err_out_free_netdev;
1514 /* This will be reset for mezz cards */
1515 adapter->portnum = pci_func_id;
1517 err = netxen_nic_get_board_info(adapter);
1519 dev_err(&pdev->dev, "Error getting board config info.\n");
1520 goto err_out_iounmap;
1523 #ifdef CONFIG_PCIEAER
1524 netxen_mask_aer_correctable(adapter);
1527 /* Mezz cards have PCI function 0,2,3 enabled */
1528 switch (adapter->ahw.board_type) {
1529 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1530 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1531 if (pci_func_id >= 2)
1532 adapter->portnum = pci_func_id - 2;
1538 err = netxen_check_flash_fw_compatibility(adapter);
1540 goto err_out_iounmap;
1542 if (adapter->portnum == 0) {
1543 val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
1544 if (val != 0xffffffff && val != 0) {
1545 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, 0);
1546 adapter->need_fw_reset = 1;
1550 err = netxen_start_firmware(adapter);
1552 goto err_out_decr_ref;
1555 * See if the firmware gave us a virtual-physical port mapping.
1557 adapter->physical_port = adapter->portnum;
1558 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1559 i = NXRD32(adapter, CRB_V2P(adapter->portnum));
1560 if (i != 0x55555555)
1561 adapter->physical_port = i;
1564 /* MTU range: 0 - 8000 (P2) or 9600 (P3) */
1565 netdev->min_mtu = 0;
1566 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1567 netdev->max_mtu = P3_MAX_MTU;
1569 netdev->max_mtu = P2_MAX_MTU;
1571 netxen_nic_clear_stats(adapter);
1573 err = netxen_setup_intr(adapter);
1576 dev_err(&adapter->pdev->dev,
1577 "Failed to setup interrupts, error = %d\n", err);
1578 goto err_out_disable_msi;
1581 netxen_read_ula_info(adapter);
1583 err = netxen_setup_netdev(adapter, netdev);
1585 goto err_out_disable_msi;
1587 pci_set_drvdata(pdev, adapter);
1589 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1591 switch (adapter->ahw.port_type) {
1592 case NETXEN_NIC_GBE:
1593 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1594 adapter->netdev->name);
1596 case NETXEN_NIC_XGBE:
1597 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1598 adapter->netdev->name);
1602 netxen_create_diag_entries(adapter);
1606 err_out_disable_msi:
1607 netxen_teardown_intr(adapter);
1609 netxen_free_dummy_dma(adapter);
1612 nx_decr_dev_ref_cnt(adapter);
1615 netxen_cleanup_pci_map(adapter);
1617 err_out_free_netdev:
1618 free_netdev(netdev);
1621 if (NX_IS_REVISION_P3(pdev->revision))
1622 pci_disable_pcie_error_reporting(pdev);
1623 pci_release_regions(pdev);
1625 err_out_disable_pdev:
1626 pci_disable_device(pdev);
1631 void netxen_cleanup_minidump(struct netxen_adapter *adapter)
1633 kfree(adapter->mdump.md_template);
1634 adapter->mdump.md_template = NULL;
1636 if (adapter->mdump.md_capture_buff) {
1637 vfree(adapter->mdump.md_capture_buff);
1638 adapter->mdump.md_capture_buff = NULL;
1642 static void netxen_nic_remove(struct pci_dev *pdev)
1644 struct netxen_adapter *adapter;
1645 struct net_device *netdev;
1647 adapter = pci_get_drvdata(pdev);
1648 if (adapter == NULL)
1651 netdev = adapter->netdev;
1653 netxen_cancel_fw_work(adapter);
1655 unregister_netdev(netdev);
1657 cancel_work_sync(&adapter->tx_timeout_task);
1659 netxen_free_ip_list(adapter, false);
1660 netxen_nic_detach(adapter);
1662 nx_decr_dev_ref_cnt(adapter);
1664 if (adapter->portnum == 0)
1665 netxen_free_dummy_dma(adapter);
1667 clear_bit(__NX_RESETTING, &adapter->state);
1669 netxen_teardown_intr(adapter);
1670 netxen_set_interrupt_mode(adapter, 0);
1671 netxen_remove_diag_entries(adapter);
1673 netxen_cleanup_pci_map(adapter);
1675 netxen_release_firmware(adapter);
1677 if (NX_IS_REVISION_P3(pdev->revision)) {
1678 netxen_cleanup_minidump(adapter);
1679 pci_disable_pcie_error_reporting(pdev);
1682 pci_release_regions(pdev);
1683 pci_disable_device(pdev);
1685 free_netdev(netdev);
1688 static void netxen_nic_detach_func(struct netxen_adapter *adapter)
1690 struct net_device *netdev = adapter->netdev;
1692 netif_device_detach(netdev);
1694 netxen_cancel_fw_work(adapter);
1696 if (netif_running(netdev))
1697 netxen_nic_down(adapter, netdev);
1699 cancel_work_sync(&adapter->tx_timeout_task);
1701 netxen_nic_detach(adapter);
1703 if (adapter->portnum == 0)
1704 netxen_free_dummy_dma(adapter);
1706 nx_decr_dev_ref_cnt(adapter);
1708 clear_bit(__NX_RESETTING, &adapter->state);
1711 static int netxen_nic_attach_func(struct pci_dev *pdev)
1713 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1714 struct net_device *netdev = adapter->netdev;
1717 err = pci_enable_device(pdev);
1721 pci_set_power_state(pdev, PCI_D0);
1722 pci_set_master(pdev);
1723 pci_restore_state(pdev);
1725 adapter->ahw.crb_win = -1;
1726 adapter->ahw.ocm_win = -1;
1728 err = netxen_start_firmware(adapter);
1730 dev_err(&pdev->dev, "failed to start firmware\n");
1734 if (netif_running(netdev)) {
1735 err = netxen_nic_attach(adapter);
1739 err = netxen_nic_up(adapter, netdev);
1741 goto err_out_detach;
1743 netxen_restore_indev_addr(netdev, NETDEV_UP);
1746 netif_device_attach(netdev);
1747 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1751 netxen_nic_detach(adapter);
1753 nx_decr_dev_ref_cnt(adapter);
1757 static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev,
1758 pci_channel_state_t state)
1760 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1762 if (state == pci_channel_io_perm_failure)
1763 return PCI_ERS_RESULT_DISCONNECT;
1765 if (nx_dev_request_aer(adapter))
1766 return PCI_ERS_RESULT_RECOVERED;
1768 netxen_nic_detach_func(adapter);
1770 pci_disable_device(pdev);
1772 return PCI_ERS_RESULT_NEED_RESET;
1775 static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev)
1779 err = netxen_nic_attach_func(pdev);
1781 return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
1784 static void netxen_io_resume(struct pci_dev *pdev)
1786 pci_cleanup_aer_uncorrect_error_status(pdev);
1789 static void netxen_nic_shutdown(struct pci_dev *pdev)
1791 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1793 netxen_nic_detach_func(adapter);
1795 if (pci_save_state(pdev))
1798 if (netxen_nic_wol_supported(adapter)) {
1799 pci_enable_wake(pdev, PCI_D3cold, 1);
1800 pci_enable_wake(pdev, PCI_D3hot, 1);
1803 pci_disable_device(pdev);
1808 netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
1810 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1813 netxen_nic_detach_func(adapter);
1815 retval = pci_save_state(pdev);
1819 if (netxen_nic_wol_supported(adapter)) {
1820 pci_enable_wake(pdev, PCI_D3cold, 1);
1821 pci_enable_wake(pdev, PCI_D3hot, 1);
1824 pci_disable_device(pdev);
1825 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1831 netxen_nic_resume(struct pci_dev *pdev)
1833 return netxen_nic_attach_func(pdev);
1837 static int netxen_nic_open(struct net_device *netdev)
1839 struct netxen_adapter *adapter = netdev_priv(netdev);
1842 if (adapter->driver_mismatch)
1845 err = netxen_nic_attach(adapter);
1849 err = __netxen_nic_up(adapter, netdev);
1853 netif_start_queue(netdev);
1858 netxen_nic_detach(adapter);
1863 * netxen_nic_close - Disables a network interface entry point
1865 static int netxen_nic_close(struct net_device *netdev)
1867 struct netxen_adapter *adapter = netdev_priv(netdev);
1869 __netxen_nic_down(adapter, netdev);
1874 netxen_tso_check(struct net_device *netdev,
1875 struct nx_host_tx_ring *tx_ring,
1876 struct cmd_desc_type0 *first_desc,
1877 struct sk_buff *skb)
1879 u8 opcode = TX_ETHER_PKT;
1880 __be16 protocol = skb->protocol;
1881 u16 flags = 0, vid = 0;
1883 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1884 struct cmd_desc_type0 *hwdesc;
1885 struct vlan_ethhdr *vh;
1887 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
1889 vh = (struct vlan_ethhdr *)skb->data;
1890 protocol = vh->h_vlan_encapsulated_proto;
1891 flags = FLAGS_VLAN_TAGGED;
1893 } else if (skb_vlan_tag_present(skb)) {
1894 flags = FLAGS_VLAN_OOB;
1895 vid = skb_vlan_tag_get(skb);
1896 netxen_set_tx_vlan_tci(first_desc, vid);
1900 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1901 skb_shinfo(skb)->gso_size > 0) {
1903 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1905 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1906 first_desc->total_hdr_length = hdr_len;
1908 first_desc->total_hdr_length += VLAN_HLEN;
1909 first_desc->tcp_hdr_offset = VLAN_HLEN;
1910 first_desc->ip_hdr_offset = VLAN_HLEN;
1911 /* Only in case of TSO on vlan device */
1912 flags |= FLAGS_VLAN_TAGGED;
1915 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1916 TX_TCP_LSO6 : TX_TCP_LSO;
1919 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1922 if (protocol == cpu_to_be16(ETH_P_IP)) {
1923 l4proto = ip_hdr(skb)->protocol;
1925 if (l4proto == IPPROTO_TCP)
1926 opcode = TX_TCP_PKT;
1927 else if(l4proto == IPPROTO_UDP)
1928 opcode = TX_UDP_PKT;
1929 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1930 l4proto = ipv6_hdr(skb)->nexthdr;
1932 if (l4proto == IPPROTO_TCP)
1933 opcode = TX_TCPV6_PKT;
1934 else if(l4proto == IPPROTO_UDP)
1935 opcode = TX_UDPV6_PKT;
1939 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1940 first_desc->ip_hdr_offset += skb_network_offset(skb);
1941 netxen_set_tx_flags_opcode(first_desc, flags, opcode);
1946 /* For LSO, we need to copy the MAC/IP/TCP headers into
1947 * the descriptor ring
1949 producer = tx_ring->producer;
1954 /* Create a TSO vlan header template for firmware */
1956 hwdesc = &tx_ring->desc_head[producer];
1957 tx_ring->cmd_buf_arr[producer].skb = NULL;
1959 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1960 hdr_len + VLAN_HLEN);
1962 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1963 skb_copy_from_linear_data(skb, vh, 12);
1964 vh->h_vlan_proto = htons(ETH_P_8021Q);
1965 vh->h_vlan_TCI = htons(vid);
1966 skb_copy_from_linear_data_offset(skb, 12,
1967 (char *)vh + 16, copy_len - 16);
1969 copied = copy_len - VLAN_HLEN;
1972 producer = get_next_index(producer, tx_ring->num_desc);
1975 while (copied < hdr_len) {
1977 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1978 (hdr_len - copied));
1980 hwdesc = &tx_ring->desc_head[producer];
1981 tx_ring->cmd_buf_arr[producer].skb = NULL;
1983 skb_copy_from_linear_data_offset(skb, copied,
1984 (char *)hwdesc + offset, copy_len);
1989 producer = get_next_index(producer, tx_ring->num_desc);
1992 tx_ring->producer = producer;
1997 netxen_map_tx_skb(struct pci_dev *pdev,
1998 struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
2000 struct netxen_skb_frag *nf;
2001 struct skb_frag_struct *frag;
2005 nr_frags = skb_shinfo(skb)->nr_frags;
2006 nf = &pbuf->frag_array[0];
2008 map = pci_map_single(pdev, skb->data,
2009 skb_headlen(skb), PCI_DMA_TODEVICE);
2010 if (pci_dma_mapping_error(pdev, map))
2014 nf->length = skb_headlen(skb);
2016 for (i = 0; i < nr_frags; i++) {
2017 frag = &skb_shinfo(skb)->frags[i];
2018 nf = &pbuf->frag_array[i+1];
2020 map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
2022 if (dma_mapping_error(&pdev->dev, map))
2026 nf->length = skb_frag_size(frag);
2033 nf = &pbuf->frag_array[i+1];
2034 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2038 nf = &pbuf->frag_array[0];
2039 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2047 netxen_clear_cmddesc(u64 *desc)
2054 netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2056 struct netxen_adapter *adapter = netdev_priv(netdev);
2057 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
2058 struct netxen_cmd_buffer *pbuf;
2059 struct netxen_skb_frag *buffrag;
2060 struct cmd_desc_type0 *hwdesc, *first_desc;
2061 struct pci_dev *pdev;
2064 struct skb_frag_struct *frag;
2068 u32 num_txd = tx_ring->num_desc;
2070 frag_count = skb_shinfo(skb)->nr_frags + 1;
2072 /* 14 frags supported for normal packet and
2073 * 32 frags supported for TSO packet
2075 if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) {
2077 for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) {
2078 frag = &skb_shinfo(skb)->frags[i];
2079 delta += skb_frag_size(frag);
2082 if (!__pskb_pull_tail(skb, delta))
2085 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2088 if (unlikely(netxen_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
2089 netif_stop_queue(netdev);
2091 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
2092 netif_start_queue(netdev);
2094 return NETDEV_TX_BUSY;
2097 producer = tx_ring->producer;
2098 pbuf = &tx_ring->cmd_buf_arr[producer];
2100 pdev = adapter->pdev;
2102 if (netxen_map_tx_skb(pdev, skb, pbuf))
2106 pbuf->frag_count = frag_count;
2108 first_desc = hwdesc = &tx_ring->desc_head[producer];
2109 netxen_clear_cmddesc((u64 *)hwdesc);
2111 netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
2112 netxen_set_tx_port(first_desc, adapter->portnum);
2114 for (i = 0; i < frag_count; i++) {
2118 if ((k == 0) && (i > 0)) {
2119 /* move to next desc.*/
2120 producer = get_next_index(producer, num_txd);
2121 hwdesc = &tx_ring->desc_head[producer];
2122 netxen_clear_cmddesc((u64 *)hwdesc);
2123 tx_ring->cmd_buf_arr[producer].skb = NULL;
2126 buffrag = &pbuf->frag_array[i];
2128 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2131 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2134 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2137 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2140 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2145 tx_ring->producer = get_next_index(producer, num_txd);
2147 netxen_tso_check(netdev, tx_ring, first_desc, skb);
2149 adapter->stats.txbytes += skb->len;
2150 adapter->stats.xmitcalled++;
2152 netxen_nic_update_cmd_producer(adapter, tx_ring);
2154 return NETDEV_TX_OK;
2157 adapter->stats.txdropped++;
2158 dev_kfree_skb_any(skb);
2159 return NETDEV_TX_OK;
2162 static int netxen_nic_check_temp(struct netxen_adapter *adapter)
2164 struct net_device *netdev = adapter->netdev;
2165 uint32_t temp, temp_state, temp_val;
2168 temp = NXRD32(adapter, CRB_TEMP_STATE);
2170 temp_state = nx_get_temp_state(temp);
2171 temp_val = nx_get_temp_val(temp);
2173 if (temp_state == NX_TEMP_PANIC) {
2175 "%s: Device temperature %d degrees C exceeds"
2176 " maximum allowed. Hardware has been shut down.\n",
2177 netdev->name, temp_val);
2179 } else if (temp_state == NX_TEMP_WARN) {
2180 if (adapter->temp == NX_TEMP_NORMAL) {
2182 "%s: Device temperature %d degrees C "
2183 "exceeds operating range."
2184 " Immediate action needed.\n",
2185 netdev->name, temp_val);
2188 if (adapter->temp == NX_TEMP_WARN) {
2190 "%s: Device temperature is now %d degrees C"
2191 " in normal range.\n", netdev->name,
2195 adapter->temp = temp_state;
2199 void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
2201 struct net_device *netdev = adapter->netdev;
2203 if (adapter->ahw.linkup && !linkup) {
2204 printk(KERN_INFO "%s: %s NIC Link is down\n",
2205 netxen_nic_driver_name, netdev->name);
2206 adapter->ahw.linkup = 0;
2207 if (netif_running(netdev)) {
2208 netif_carrier_off(netdev);
2209 netif_stop_queue(netdev);
2211 adapter->link_changed = !adapter->has_link_events;
2212 } else if (!adapter->ahw.linkup && linkup) {
2213 printk(KERN_INFO "%s: %s NIC Link is up\n",
2214 netxen_nic_driver_name, netdev->name);
2215 adapter->ahw.linkup = 1;
2216 if (netif_running(netdev)) {
2217 netif_carrier_on(netdev);
2218 netif_wake_queue(netdev);
2220 adapter->link_changed = !adapter->has_link_events;
2224 static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
2226 u32 val, port, linkup;
2228 port = adapter->physical_port;
2230 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2231 val = NXRD32(adapter, CRB_XG_STATE_P3);
2232 val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
2233 linkup = (val == XG_LINK_UP_P3);
2235 val = NXRD32(adapter, CRB_XG_STATE);
2236 val = (val >> port*8) & 0xff;
2237 linkup = (val == XG_LINK_UP);
2240 netxen_advert_link_change(adapter, linkup);
2243 static void netxen_tx_timeout(struct net_device *netdev)
2245 struct netxen_adapter *adapter = netdev_priv(netdev);
2247 if (test_bit(__NX_RESETTING, &adapter->state))
2250 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2251 schedule_work(&adapter->tx_timeout_task);
2254 static void netxen_tx_timeout_task(struct work_struct *work)
2256 struct netxen_adapter *adapter =
2257 container_of(work, struct netxen_adapter, tx_timeout_task);
2259 if (!netif_running(adapter->netdev))
2262 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
2265 if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
2269 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
2270 /* try to scrub interrupt */
2271 netxen_napi_disable(adapter);
2273 netxen_napi_enable(adapter);
2275 netif_wake_queue(adapter->netdev);
2277 clear_bit(__NX_RESETTING, &adapter->state);
2279 clear_bit(__NX_RESETTING, &adapter->state);
2280 if (netxen_nic_reset_context(adapter)) {
2285 netif_trans_update(adapter->netdev);
2290 adapter->need_fw_reset = 1;
2291 clear_bit(__NX_RESETTING, &adapter->state);
2294 static void netxen_nic_get_stats(struct net_device *netdev,
2295 struct rtnl_link_stats64 *stats)
2297 struct netxen_adapter *adapter = netdev_priv(netdev);
2299 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2300 stats->tx_packets = adapter->stats.xmitfinished;
2301 stats->rx_bytes = adapter->stats.rxbytes;
2302 stats->tx_bytes = adapter->stats.txbytes;
2303 stats->rx_dropped = adapter->stats.rxdropped;
2304 stats->tx_dropped = adapter->stats.txdropped;
2307 static irqreturn_t netxen_intr(int irq, void *data)
2309 struct nx_host_sds_ring *sds_ring = data;
2310 struct netxen_adapter *adapter = sds_ring->adapter;
2313 status = readl(adapter->isr_int_vec);
2315 if (!(status & adapter->int_vec_bit))
2318 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2319 /* check interrupt state machine, to be sure */
2320 status = readl(adapter->crb_int_state_reg);
2321 if (!ISR_LEGACY_INT_TRIGGERED(status))
2325 unsigned long our_int = 0;
2327 our_int = readl(adapter->crb_int_state_reg);
2329 /* not our interrupt */
2330 if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
2333 /* claim interrupt */
2334 writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
2336 /* clear interrupt */
2337 netxen_nic_disable_int(sds_ring);
2340 writel(0xffffffff, adapter->tgt_status_reg);
2341 /* read twice to ensure write is flushed */
2342 readl(adapter->isr_int_vec);
2343 readl(adapter->isr_int_vec);
2345 napi_schedule(&sds_ring->napi);
2350 static irqreturn_t netxen_msi_intr(int irq, void *data)
2352 struct nx_host_sds_ring *sds_ring = data;
2353 struct netxen_adapter *adapter = sds_ring->adapter;
2355 /* clear interrupt */
2356 writel(0xffffffff, adapter->tgt_status_reg);
2358 napi_schedule(&sds_ring->napi);
2362 static irqreturn_t netxen_msix_intr(int irq, void *data)
2364 struct nx_host_sds_ring *sds_ring = data;
2366 napi_schedule(&sds_ring->napi);
2370 static int netxen_nic_poll(struct napi_struct *napi, int budget)
2372 struct nx_host_sds_ring *sds_ring =
2373 container_of(napi, struct nx_host_sds_ring, napi);
2375 struct netxen_adapter *adapter = sds_ring->adapter;
2380 tx_complete = netxen_process_cmd_ring(adapter);
2382 work_done = netxen_process_rcv_ring(sds_ring, budget);
2387 if (work_done < budget) {
2388 napi_complete_done(&sds_ring->napi, work_done);
2389 if (test_bit(__NX_DEV_UP, &adapter->state))
2390 netxen_nic_enable_int(sds_ring);
2397 nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
2400 if (netxen_api_lock(adapter))
2403 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2405 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2407 netxen_api_unlock(adapter);
2412 nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
2415 if (netxen_api_lock(adapter))
2418 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2419 WARN_ON(count == 0);
2421 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2422 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2424 if (count == 0 && state != NX_DEV_FAILED)
2425 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2427 netxen_api_unlock(adapter);
2432 nx_dev_request_aer(struct netxen_adapter *adapter)
2437 if (netxen_api_lock(adapter))
2440 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2442 if (state == NX_DEV_NEED_AER)
2444 else if (state == NX_DEV_READY) {
2445 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER);
2449 netxen_api_unlock(adapter);
2454 nx_dev_request_reset(struct netxen_adapter *adapter)
2459 if (netxen_api_lock(adapter))
2462 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2464 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED)
2466 else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
2467 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
2468 adapter->flags |= NETXEN_FW_RESET_OWNER;
2472 netxen_api_unlock(adapter);
2478 netxen_can_start_firmware(struct netxen_adapter *adapter)
2483 if (netxen_api_lock(adapter)) {
2484 nx_incr_dev_ref_cnt(adapter);
2488 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2490 if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
2495 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
2498 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2500 netxen_api_unlock(adapter);
2506 netxen_schedule_work(struct netxen_adapter *adapter,
2507 work_func_t func, int delay)
2509 INIT_DELAYED_WORK(&adapter->fw_work, func);
2510 schedule_delayed_work(&adapter->fw_work, delay);
2514 netxen_cancel_fw_work(struct netxen_adapter *adapter)
2516 while (test_and_set_bit(__NX_RESETTING, &adapter->state))
2519 cancel_delayed_work_sync(&adapter->fw_work);
2523 netxen_attach_work(struct work_struct *work)
2525 struct netxen_adapter *adapter = container_of(work,
2526 struct netxen_adapter, fw_work.work);
2527 struct net_device *netdev = adapter->netdev;
2530 if (netif_running(netdev)) {
2531 err = netxen_nic_attach(adapter);
2535 err = netxen_nic_up(adapter, netdev);
2537 netxen_nic_detach(adapter);
2541 netxen_restore_indev_addr(netdev, NETDEV_UP);
2544 netif_device_attach(netdev);
2547 adapter->fw_fail_cnt = 0;
2548 clear_bit(__NX_RESETTING, &adapter->state);
2549 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2553 netxen_fwinit_work(struct work_struct *work)
2555 struct netxen_adapter *adapter = container_of(work,
2556 struct netxen_adapter, fw_work.work);
2559 dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
2560 if (adapter->flags & NETXEN_FW_RESET_OWNER) {
2561 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2562 WARN_ON(count == 0);
2564 if (adapter->mdump.md_enabled) {
2566 netxen_dump_fw(adapter);
2569 adapter->flags &= ~NETXEN_FW_RESET_OWNER;
2570 if (netxen_api_lock(adapter)) {
2571 clear_bit(__NX_RESETTING, &adapter->state);
2572 NXWR32(adapter, NX_CRB_DEV_STATE,
2576 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2577 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2578 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2579 dev_state = NX_DEV_COLD;
2580 netxen_api_unlock(adapter);
2584 switch (dev_state) {
2587 if (!netxen_start_firmware(adapter)) {
2588 netxen_schedule_work(adapter, netxen_attach_work, 0);
2593 case NX_DEV_NEED_RESET:
2594 case NX_DEV_INITALIZING:
2595 netxen_schedule_work(adapter,
2596 netxen_fwinit_work, 2 * FW_POLL_DELAY);
2601 nx_incr_dev_ref_cnt(adapter);
2605 if (netxen_api_lock(adapter)) {
2606 clear_bit(__NX_RESETTING, &adapter->state);
2609 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED);
2610 netxen_api_unlock(adapter);
2611 dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n",
2612 adapter->netdev->name);
2614 clear_bit(__NX_RESETTING, &adapter->state);
2618 netxen_detach_work(struct work_struct *work)
2620 struct netxen_adapter *adapter = container_of(work,
2621 struct netxen_adapter, fw_work.work);
2622 struct net_device *netdev = adapter->netdev;
2623 int ref_cnt = 0, delay;
2626 netif_device_detach(netdev);
2628 netxen_nic_down(adapter, netdev);
2631 netxen_nic_detach(adapter);
2634 status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2636 if (status & NX_RCODE_FATAL_ERROR)
2639 if (adapter->temp == NX_TEMP_PANIC)
2642 if (!(adapter->flags & NETXEN_FW_RESET_OWNER))
2643 ref_cnt = nx_decr_dev_ref_cnt(adapter);
2645 if (ref_cnt == -EIO)
2648 delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
2650 adapter->fw_wait_cnt = 0;
2651 netxen_schedule_work(adapter, netxen_fwinit_work, delay);
2656 clear_bit(__NX_RESETTING, &adapter->state);
2660 netxen_check_health(struct netxen_adapter *adapter)
2662 u32 state, heartbit;
2664 struct net_device *netdev = adapter->netdev;
2666 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2667 if (state == NX_DEV_NEED_AER)
2670 if (netxen_nic_check_temp(adapter))
2673 if (adapter->need_fw_reset) {
2674 if (nx_dev_request_reset(adapter))
2679 /* NX_DEV_NEED_RESET, this state can be marked in two cases
2680 * 1. Tx timeout 2. Fw hang
2681 * Send request to destroy context in case of tx timeout only
2682 * and doesn't required in case of Fw hang
2684 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) {
2685 adapter->need_fw_reset = 1;
2686 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2690 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2693 heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
2694 if (heartbit != adapter->heartbit) {
2695 adapter->heartbit = heartbit;
2696 adapter->fw_fail_cnt = 0;
2697 if (adapter->need_fw_reset)
2702 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2705 if (nx_dev_request_reset(adapter))
2708 clear_bit(__NX_FW_ATTACHED, &adapter->state);
2710 dev_err(&netdev->dev, "firmware hang detected\n");
2711 peg_status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2712 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
2713 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2714 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2715 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2716 "PEG_NET_4_PC: 0x%x\n",
2718 NXRD32(adapter, NETXEN_PEG_HALT_STATUS2),
2719 NXRD32(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c),
2720 NXRD32(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c),
2721 NXRD32(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c),
2722 NXRD32(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c),
2723 NXRD32(adapter, NETXEN_CRB_PEG_NET_4 + 0x3c));
2724 if (NX_FWERROR_PEGSTAT1(peg_status) == 0x67)
2725 dev_err(&adapter->pdev->dev,
2726 "Firmware aborted with error code 0x00006700. "
2727 "Device is being reset.\n");
2729 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
2730 !test_and_set_bit(__NX_RESETTING, &adapter->state))
2731 netxen_schedule_work(adapter, netxen_detach_work, 0);
2736 netxen_fw_poll_work(struct work_struct *work)
2738 struct netxen_adapter *adapter = container_of(work,
2739 struct netxen_adapter, fw_work.work);
2741 if (test_bit(__NX_RESETTING, &adapter->state))
2744 if (test_bit(__NX_DEV_UP, &adapter->state) &&
2745 !(adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)) {
2746 if (!adapter->has_link_events) {
2748 netxen_nic_handle_phy_intr(adapter);
2750 if (adapter->link_changed)
2751 netxen_nic_set_link_parameters(adapter);
2755 if (netxen_check_health(adapter))
2759 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2763 netxen_store_bridged_mode(struct device *dev,
2764 struct device_attribute *attr, const char *buf, size_t len)
2766 struct net_device *net = to_net_dev(dev);
2767 struct netxen_adapter *adapter = netdev_priv(net);
2771 if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
2774 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2777 if (kstrtoul(buf, 2, &new))
2780 if (!netxen_config_bridged_mode(adapter, !!new))
2788 netxen_show_bridged_mode(struct device *dev,
2789 struct device_attribute *attr, char *buf)
2791 struct net_device *net = to_net_dev(dev);
2792 struct netxen_adapter *adapter;
2793 int bridged_mode = 0;
2795 adapter = netdev_priv(net);
2797 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2798 bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
2800 return sprintf(buf, "%d\n", bridged_mode);
2803 static const struct device_attribute dev_attr_bridged_mode = {
2804 .attr = { .name = "bridged_mode", .mode = 0644 },
2805 .show = netxen_show_bridged_mode,
2806 .store = netxen_store_bridged_mode,
2810 netxen_store_diag_mode(struct device *dev,
2811 struct device_attribute *attr, const char *buf, size_t len)
2813 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2816 if (kstrtoul(buf, 2, &new))
2819 if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2820 adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
2826 netxen_show_diag_mode(struct device *dev,
2827 struct device_attribute *attr, char *buf)
2829 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2831 return sprintf(buf, "%d\n",
2832 !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
2835 static const struct device_attribute dev_attr_diag_mode = {
2836 .attr = { .name = "diag_mode", .mode = 0644 },
2837 .show = netxen_show_diag_mode,
2838 .store = netxen_store_diag_mode,
2842 netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
2843 loff_t offset, size_t size)
2845 size_t crb_size = 4;
2847 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2850 if (offset < NETXEN_PCI_CRBSPACE) {
2851 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2854 if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2855 NETXEN_PCI_CAMQM_2M_END))
2861 if ((size != crb_size) || (offset & (crb_size-1)))
2868 netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj,
2869 struct bin_attribute *attr,
2870 char *buf, loff_t offset, size_t size)
2872 struct device *dev = kobj_to_dev(kobj);
2873 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2878 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2882 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2883 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2884 NETXEN_PCI_CAMQM_2M_END)) {
2885 netxen_pci_camqm_read_2M(adapter, offset, &qmdata);
2886 memcpy(buf, &qmdata, size);
2888 data = NXRD32(adapter, offset);
2889 memcpy(buf, &data, size);
2896 netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj,
2897 struct bin_attribute *attr,
2898 char *buf, loff_t offset, size_t size)
2900 struct device *dev = kobj_to_dev(kobj);
2901 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2906 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2910 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2911 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2912 NETXEN_PCI_CAMQM_2M_END)) {
2913 memcpy(&qmdata, buf, size);
2914 netxen_pci_camqm_write_2M(adapter, offset, qmdata);
2916 memcpy(&data, buf, size);
2917 NXWR32(adapter, offset, data);
2924 netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
2925 loff_t offset, size_t size)
2927 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2930 if ((size != 8) || (offset & 0x7))
2937 netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj,
2938 struct bin_attribute *attr,
2939 char *buf, loff_t offset, size_t size)
2941 struct device *dev = kobj_to_dev(kobj);
2942 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2946 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2950 if (adapter->pci_mem_read(adapter, offset, &data))
2953 memcpy(buf, &data, size);
2958 static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj,
2959 struct bin_attribute *attr, char *buf,
2960 loff_t offset, size_t size)
2962 struct device *dev = kobj_to_dev(kobj);
2963 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2967 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2971 memcpy(&data, buf, size);
2973 if (adapter->pci_mem_write(adapter, offset, data))
2980 static const struct bin_attribute bin_attr_crb = {
2981 .attr = { .name = "crb", .mode = 0644 },
2983 .read = netxen_sysfs_read_crb,
2984 .write = netxen_sysfs_write_crb,
2987 static const struct bin_attribute bin_attr_mem = {
2988 .attr = { .name = "mem", .mode = 0644 },
2990 .read = netxen_sysfs_read_mem,
2991 .write = netxen_sysfs_write_mem,
2995 netxen_sysfs_read_dimm(struct file *filp, struct kobject *kobj,
2996 struct bin_attribute *attr,
2997 char *buf, loff_t offset, size_t size)
2999 struct device *dev = kobj_to_dev(kobj);
3000 struct netxen_adapter *adapter = dev_get_drvdata(dev);
3001 struct net_device *netdev = adapter->netdev;
3002 struct netxen_dimm_cfg dimm;
3003 u8 dw, rows, cols, banks, ranks;
3006 if (size < attr->size) {
3007 netdev_err(netdev, "Invalid size\n");
3011 memset(&dimm, 0, sizeof(struct netxen_dimm_cfg));
3012 val = NXRD32(adapter, NETXEN_DIMM_CAPABILITY);
3014 /* Checks if DIMM info is valid. */
3015 if (val & NETXEN_DIMM_VALID_FLAG) {
3016 netdev_err(netdev, "Invalid DIMM flag\n");
3017 dimm.presence = 0xff;
3021 rows = NETXEN_DIMM_NUMROWS(val);
3022 cols = NETXEN_DIMM_NUMCOLS(val);
3023 ranks = NETXEN_DIMM_NUMRANKS(val);
3024 banks = NETXEN_DIMM_NUMBANKS(val);
3025 dw = NETXEN_DIMM_DATAWIDTH(val);
3027 dimm.presence = (val & NETXEN_DIMM_PRESENT);
3029 /* Checks if DIMM info is present. */
3030 if (!dimm.presence) {
3031 netdev_err(netdev, "DIMM not present\n");
3035 dimm.dimm_type = NETXEN_DIMM_TYPE(val);
3037 switch (dimm.dimm_type) {
3038 case NETXEN_DIMM_TYPE_RDIMM:
3039 case NETXEN_DIMM_TYPE_UDIMM:
3040 case NETXEN_DIMM_TYPE_SO_DIMM:
3041 case NETXEN_DIMM_TYPE_Micro_DIMM:
3042 case NETXEN_DIMM_TYPE_Mini_RDIMM:
3043 case NETXEN_DIMM_TYPE_Mini_UDIMM:
3046 netdev_err(netdev, "Invalid DIMM type %x\n", dimm.dimm_type);
3050 if (val & NETXEN_DIMM_MEMTYPE_DDR2_SDRAM)
3051 dimm.mem_type = NETXEN_DIMM_MEM_DDR2_SDRAM;
3053 dimm.mem_type = NETXEN_DIMM_MEMTYPE(val);
3055 if (val & NETXEN_DIMM_SIZE) {
3056 dimm.size = NETXEN_DIMM_STD_MEM_SIZE;
3061 netdev_err(netdev, "Invalid no of rows %x\n", rows);
3066 netdev_err(netdev, "Invalid no of columns %x\n", cols);
3071 netdev_err(netdev, "Invalid no of banks %x\n", banks);
3103 netdev_err(netdev, "Invalid data-width %x\n", dw);
3107 dimm.size = ((1 << rows) * (1 << cols) * dw * banks * ranks) / 8;
3108 /* Size returned in MB. */
3109 dimm.size = (dimm.size) / 0x100000;
3111 memcpy(buf, &dimm, sizeof(struct netxen_dimm_cfg));
3112 return sizeof(struct netxen_dimm_cfg);
3116 static const struct bin_attribute bin_attr_dimm = {
3117 .attr = { .name = "dimm", .mode = 0644 },
3118 .size = sizeof(struct netxen_dimm_cfg),
3119 .read = netxen_sysfs_read_dimm,
3124 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
3126 struct device *dev = &adapter->pdev->dev;
3128 if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
3129 /* bridged_mode control */
3130 if (device_create_file(dev, &dev_attr_bridged_mode)) {
3132 "failed to create bridged_mode sysfs entry\n");
3138 netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
3140 struct device *dev = &adapter->pdev->dev;
3142 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
3143 device_remove_file(dev, &dev_attr_bridged_mode);
3147 netxen_create_diag_entries(struct netxen_adapter *adapter)
3149 struct pci_dev *pdev = adapter->pdev;
3153 if (device_create_file(dev, &dev_attr_diag_mode))
3154 dev_info(dev, "failed to create diag_mode sysfs entry\n");
3155 if (device_create_bin_file(dev, &bin_attr_crb))
3156 dev_info(dev, "failed to create crb sysfs entry\n");
3157 if (device_create_bin_file(dev, &bin_attr_mem))
3158 dev_info(dev, "failed to create mem sysfs entry\n");
3159 if (device_create_bin_file(dev, &bin_attr_dimm))
3160 dev_info(dev, "failed to create dimm sysfs entry\n");
3165 netxen_remove_diag_entries(struct netxen_adapter *adapter)
3167 struct pci_dev *pdev = adapter->pdev;
3168 struct device *dev = &pdev->dev;
3170 device_remove_file(dev, &dev_attr_diag_mode);
3171 device_remove_bin_file(dev, &bin_attr_crb);
3172 device_remove_bin_file(dev, &bin_attr_mem);
3173 device_remove_bin_file(dev, &bin_attr_dimm);
3178 #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
3181 netxen_destip_supported(struct netxen_adapter *adapter)
3183 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
3186 if (adapter->ahw.cut_through)
3193 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3195 struct nx_ip_list *cur, *tmp_cur;
3197 list_for_each_entry_safe(cur, tmp_cur, &adapter->ip_list, list) {
3200 netxen_config_ipaddr(adapter, cur->ip_addr,
3202 list_del(&cur->list);
3206 netxen_config_ipaddr(adapter, cur->ip_addr, NX_IP_DOWN);
3207 list_del(&cur->list);
3214 netxen_list_config_ip(struct netxen_adapter *adapter,
3215 struct in_ifaddr *ifa, unsigned long event)
3217 struct net_device *dev;
3218 struct nx_ip_list *cur, *tmp_cur;
3219 struct list_head *head;
3222 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3229 list_for_each(head, &adapter->ip_list) {
3230 cur = list_entry(head, struct nx_ip_list, list);
3232 if (cur->ip_addr == ifa->ifa_address)
3236 cur = kzalloc(sizeof(struct nx_ip_list), GFP_ATOMIC);
3239 if (is_vlan_dev(dev))
3240 dev = vlan_dev_real_dev(dev);
3241 cur->master = !!netif_is_bond_master(dev);
3242 cur->ip_addr = ifa->ifa_address;
3243 list_add_tail(&cur->list, &adapter->ip_list);
3244 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
3248 list_for_each_entry_safe(cur, tmp_cur,
3249 &adapter->ip_list, list) {
3250 if (cur->ip_addr == ifa->ifa_address) {
3251 list_del(&cur->list);
3253 netxen_config_ipaddr(adapter, ifa->ifa_address,
3265 netxen_config_indev_addr(struct netxen_adapter *adapter,
3266 struct net_device *dev, unsigned long event)
3268 struct in_device *indev;
3270 if (!netxen_destip_supported(adapter))
3273 indev = in_dev_get(dev);
3280 netxen_list_config_ip(adapter, ifa, NX_IP_UP);
3283 netxen_list_config_ip(adapter, ifa, NX_IP_DOWN);
3288 } endfor_ifa(indev);
3294 netxen_restore_indev_addr(struct net_device *netdev, unsigned long event)
3297 struct netxen_adapter *adapter = netdev_priv(netdev);
3298 struct nx_ip_list *pos, *tmp_pos;
3299 unsigned long ip_event;
3301 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3302 netxen_config_indev_addr(adapter, netdev, event);
3304 list_for_each_entry_safe(pos, tmp_pos, &adapter->ip_list, list) {
3305 netxen_config_ipaddr(adapter, pos->ip_addr, ip_event);
3310 netxen_config_checkdev(struct net_device *dev)
3312 struct netxen_adapter *adapter;
3314 if (!is_netxen_netdev(dev))
3316 adapter = netdev_priv(dev);
3319 if (!netxen_destip_supported(adapter))
3321 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
3328 * netxen_config_master - configure addresses based on master
3329 * @dev: netxen device
3330 * @event: netdev event
3332 static void netxen_config_master(struct net_device *dev, unsigned long event)
3334 struct net_device *master, *slave;
3335 struct netxen_adapter *adapter = netdev_priv(dev);
3338 master = netdev_master_upper_dev_get_rcu(dev);
3340 * This is the case where the netxen nic is being
3341 * enslaved and is dev_open()ed in bond_enslave()
3342 * Now we should program the bond's (and its vlans')
3343 * addresses in the netxen NIC.
3345 if (master && netif_is_bond_master(master) &&
3346 !netif_is_bond_slave(dev)) {
3347 netxen_config_indev_addr(adapter, master, event);
3348 for_each_netdev_rcu(&init_net, slave)
3349 if (is_vlan_dev(slave) &&
3350 vlan_dev_real_dev(slave) == master)
3351 netxen_config_indev_addr(adapter, slave, event);
3355 * This is the case where the netxen nic is being
3356 * released and is dev_close()ed in bond_release()
3357 * just before IFF_BONDING is stripped.
3359 if (!master && dev->priv_flags & IFF_BONDING)
3360 netxen_free_ip_list(adapter, true);
3363 static int netxen_netdev_event(struct notifier_block *this,
3364 unsigned long event, void *ptr)
3366 struct netxen_adapter *adapter;
3367 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3368 struct net_device *orig_dev = dev;
3369 struct net_device *slave;
3375 if (is_vlan_dev(dev)) {
3376 dev = vlan_dev_real_dev(dev);
3379 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3380 /* If this is a bonding device, look for netxen-based slaves*/
3381 if (netif_is_bond_master(dev)) {
3383 for_each_netdev_in_bond_rcu(dev, slave) {
3384 if (!netxen_config_checkdev(slave))
3386 adapter = netdev_priv(slave);
3387 netxen_config_indev_addr(adapter,
3392 if (!netxen_config_checkdev(dev))
3394 adapter = netdev_priv(dev);
3395 /* Act only if the actual netxen is the target */
3396 if (orig_dev == dev)
3397 netxen_config_master(dev, event);
3398 netxen_config_indev_addr(adapter, orig_dev, event);
3406 netxen_inetaddr_event(struct notifier_block *this,
3407 unsigned long event, void *ptr)
3409 struct netxen_adapter *adapter;
3410 struct net_device *dev, *slave;
3411 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3412 unsigned long ip_event;
3414 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3415 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3420 if (is_vlan_dev(dev)) {
3421 dev = vlan_dev_real_dev(dev);
3424 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3425 /* If this is a bonding device, look for netxen-based slaves*/
3426 if (netif_is_bond_master(dev)) {
3428 for_each_netdev_in_bond_rcu(dev, slave) {
3429 if (!netxen_config_checkdev(slave))
3431 adapter = netdev_priv(slave);
3432 netxen_list_config_ip(adapter, ifa, ip_event);
3436 if (!netxen_config_checkdev(dev))
3438 adapter = netdev_priv(dev);
3439 netxen_list_config_ip(adapter, ifa, ip_event);
3446 static struct notifier_block netxen_netdev_cb = {
3447 .notifier_call = netxen_netdev_event,
3450 static struct notifier_block netxen_inetaddr_cb = {
3451 .notifier_call = netxen_inetaddr_event,
3455 netxen_restore_indev_addr(struct net_device *dev, unsigned long event)
3458 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3462 static const struct pci_error_handlers netxen_err_handler = {
3463 .error_detected = netxen_io_error_detected,
3464 .slot_reset = netxen_io_slot_reset,
3465 .resume = netxen_io_resume,
3468 static struct pci_driver netxen_driver = {
3469 .name = netxen_nic_driver_name,
3470 .id_table = netxen_pci_tbl,
3471 .probe = netxen_nic_probe,
3472 .remove = netxen_nic_remove,
3474 .suspend = netxen_nic_suspend,
3475 .resume = netxen_nic_resume,
3477 .shutdown = netxen_nic_shutdown,
3478 .err_handler = &netxen_err_handler
3481 static int __init netxen_init_module(void)
3483 printk(KERN_INFO "%s\n", netxen_nic_driver_string);
3486 register_netdevice_notifier(&netxen_netdev_cb);
3487 register_inetaddr_notifier(&netxen_inetaddr_cb);
3489 return pci_register_driver(&netxen_driver);
3492 module_init(netxen_init_module);
3494 static void __exit netxen_exit_module(void)
3496 pci_unregister_driver(&netxen_driver);
3499 unregister_inetaddr_notifier(&netxen_inetaddr_cb);
3500 unregister_netdevice_notifier(&netxen_netdev_cb);
3504 module_exit(netxen_exit_module);