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);
75 #ifdef CONFIG_NET_POLL_CONTROLLER
76 static void netxen_nic_poll_controller(struct net_device *netdev);
79 static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
80 static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
81 static void netxen_create_diag_entries(struct netxen_adapter *adapter);
82 static void netxen_remove_diag_entries(struct netxen_adapter *adapter);
83 static int nx_dev_request_aer(struct netxen_adapter *adapter);
84 static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter);
85 static int netxen_can_start_firmware(struct netxen_adapter *adapter);
87 static irqreturn_t netxen_intr(int irq, void *data);
88 static irqreturn_t netxen_msi_intr(int irq, void *data);
89 static irqreturn_t netxen_msix_intr(int irq, void *data);
91 static void netxen_free_ip_list(struct netxen_adapter *, bool);
92 static void netxen_restore_indev_addr(struct net_device *dev, unsigned long);
93 static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *dev,
94 struct rtnl_link_stats64 *stats);
95 static int netxen_nic_set_mac(struct net_device *netdev, void *p);
97 /* PCI Device ID Table */
98 #define ENTRY(device) \
99 {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
100 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
102 static const struct pci_device_id netxen_pci_tbl[] = {
103 ENTRY(PCI_DEVICE_ID_NX2031_10GXSR),
104 ENTRY(PCI_DEVICE_ID_NX2031_10GCX4),
105 ENTRY(PCI_DEVICE_ID_NX2031_4GCU),
106 ENTRY(PCI_DEVICE_ID_NX2031_IMEZ),
107 ENTRY(PCI_DEVICE_ID_NX2031_HMEZ),
108 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT),
109 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2),
110 ENTRY(PCI_DEVICE_ID_NX3031),
114 MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
116 static uint32_t crb_cmd_producer[4] = {
117 CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
118 CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
122 netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
123 struct nx_host_tx_ring *tx_ring)
125 NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer);
128 static uint32_t crb_cmd_consumer[4] = {
129 CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1,
130 CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3
134 netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
135 struct nx_host_tx_ring *tx_ring)
137 NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer);
140 static uint32_t msi_tgt_status[8] = {
141 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
142 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
143 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
144 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
147 static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
149 static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring)
151 struct netxen_adapter *adapter = sds_ring->adapter;
153 NXWRIO(adapter, sds_ring->crb_intr_mask, 0);
156 static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring)
158 struct netxen_adapter *adapter = sds_ring->adapter;
160 NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1);
162 if (!NETXEN_IS_MSI_FAMILY(adapter))
163 NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff);
167 netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count)
169 int size = sizeof(struct nx_host_sds_ring) * count;
171 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
173 return recv_ctx->sds_rings == NULL;
177 netxen_free_sds_rings(struct netxen_recv_context *recv_ctx)
179 kfree(recv_ctx->sds_rings);
180 recv_ctx->sds_rings = NULL;
184 netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
187 struct nx_host_sds_ring *sds_ring;
188 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
190 if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
193 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
194 sds_ring = &recv_ctx->sds_rings[ring];
195 netif_napi_add(netdev, &sds_ring->napi,
196 netxen_nic_poll, NAPI_POLL_WEIGHT);
203 netxen_napi_del(struct netxen_adapter *adapter)
206 struct nx_host_sds_ring *sds_ring;
207 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
209 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
210 sds_ring = &recv_ctx->sds_rings[ring];
211 netif_napi_del(&sds_ring->napi);
214 netxen_free_sds_rings(&adapter->recv_ctx);
218 netxen_napi_enable(struct netxen_adapter *adapter)
221 struct nx_host_sds_ring *sds_ring;
222 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
224 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
225 sds_ring = &recv_ctx->sds_rings[ring];
226 napi_enable(&sds_ring->napi);
227 netxen_nic_enable_int(sds_ring);
232 netxen_napi_disable(struct netxen_adapter *adapter)
235 struct nx_host_sds_ring *sds_ring;
236 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
238 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
239 sds_ring = &recv_ctx->sds_rings[ring];
240 netxen_nic_disable_int(sds_ring);
241 napi_synchronize(&sds_ring->napi);
242 napi_disable(&sds_ring->napi);
246 static int nx_set_dma_mask(struct netxen_adapter *adapter)
248 struct pci_dev *pdev = adapter->pdev;
249 uint64_t mask, cmask;
251 adapter->pci_using_dac = 0;
253 mask = DMA_BIT_MASK(32);
254 cmask = DMA_BIT_MASK(32);
256 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
258 mask = DMA_BIT_MASK(35);
261 mask = DMA_BIT_MASK(39);
265 if (pci_set_dma_mask(pdev, mask) == 0 &&
266 pci_set_consistent_dma_mask(pdev, cmask) == 0) {
267 adapter->pci_using_dac = 1;
274 /* Update addressable range if firmware supports it */
276 nx_update_dma_mask(struct netxen_adapter *adapter)
278 int change, shift, err;
279 uint64_t mask, old_mask, old_cmask;
280 struct pci_dev *pdev = adapter->pdev;
284 shift = NXRD32(adapter, CRB_DMA_SHIFT);
288 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9))
290 else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4))
294 old_mask = pdev->dma_mask;
295 old_cmask = pdev->dev.coherent_dma_mask;
297 mask = DMA_BIT_MASK(32+shift);
299 err = pci_set_dma_mask(pdev, mask);
303 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
305 err = pci_set_consistent_dma_mask(pdev, mask);
309 dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift);
315 pci_set_dma_mask(pdev, old_mask);
316 pci_set_consistent_dma_mask(pdev, old_cmask);
321 netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
325 if (first_boot == 0x55555555) {
326 /* This is the first boot after power up */
327 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
329 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
332 /* PCI bus master workaround */
333 first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4));
334 if (!(first_boot & 0x4)) {
336 NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot);
337 NXRD32(adapter, NETXEN_PCIE_REG(0x4));
340 /* This is the first boot after power up */
341 first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET);
342 if (first_boot != 0x80000f) {
343 /* clear the register for future unloads/loads */
344 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0);
348 /* Start P2 boot loader */
349 val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
350 NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1);
354 val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
356 if (++timeout > 5000)
359 } while (val == NETXEN_BDINFO_MAGIC);
364 static void netxen_set_port_mode(struct netxen_adapter *adapter)
368 val = adapter->ahw.board_type;
369 if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
370 (val == NETXEN_BRDTYPE_P3_XG_LOM)) {
371 if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
372 data = NETXEN_PORT_MODE_802_3_AP;
373 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
374 } else if (port_mode == NETXEN_PORT_MODE_XG) {
375 data = NETXEN_PORT_MODE_XG;
376 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
377 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) {
378 data = NETXEN_PORT_MODE_AUTO_NEG_1G;
379 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
380 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) {
381 data = NETXEN_PORT_MODE_AUTO_NEG_XG;
382 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
384 data = NETXEN_PORT_MODE_AUTO_NEG;
385 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
388 if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) &&
389 (wol_port_mode != NETXEN_PORT_MODE_XG) &&
390 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) &&
391 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) {
392 wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG;
394 NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode);
398 #define PCI_CAP_ID_GEN 0x10
400 static void netxen_pcie_strap_init(struct netxen_adapter *adapter)
407 struct pci_dev *pdev;
409 pdev = adapter->pdev;
411 chicken = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3));
412 /* clear chicken3.25:24 */
413 chicken &= 0xFCFFFFFF;
415 * if gen1 and B0, set F1020 - if gen 2, do nothing
416 * if gen2 set to F1000
418 pos = pci_find_capability(pdev, PCI_CAP_ID_GEN);
420 pci_read_config_dword(pdev, pos + 0x10, &control);
421 if ((control & 0x000F0000) != 0x00020000) {
422 /* set chicken3.24 if gen1 */
423 chicken |= 0x01000000;
425 dev_info(&adapter->pdev->dev, "Gen2 strapping detected\n");
428 /* set chicken3.24 if gen1 */
429 chicken |= 0x01000000;
430 dev_info(&adapter->pdev->dev, "Gen1 strapping detected\n");
431 if (adapter->ahw.revision_id == NX_P3_B0)
437 NXWR32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3), chicken);
442 pdevfuncsave = pdev->devfn;
443 if (pdevfuncsave & 0x07)
446 for (i = 0; i < 8; i++) {
447 pci_read_config_dword(pdev, pos + 8, &control);
448 pci_read_config_dword(pdev, pos + 8, &control);
449 pci_write_config_dword(pdev, pos + 8, c8c9value);
452 pdev->devfn = pdevfuncsave;
455 static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
459 if (pdev->msix_cap) {
460 pci_read_config_dword(pdev, pdev->msix_cap, &control);
462 control |= PCI_MSIX_FLAGS_ENABLE;
465 pci_write_config_dword(pdev, pdev->msix_cap, control);
469 static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count)
473 for (i = 0; i < count; i++)
474 adapter->msix_entries[i].entry = i;
478 netxen_read_mac_addr(struct netxen_adapter *adapter)
483 struct net_device *netdev = adapter->netdev;
484 struct pci_dev *pdev = adapter->pdev;
486 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
487 if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
490 if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0)
494 p = (unsigned char *)&mac_addr;
495 for (i = 0; i < 6; i++)
496 netdev->dev_addr[i] = *(p + 5 - i);
498 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
500 /* set station address */
502 if (!is_valid_ether_addr(netdev->dev_addr))
503 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr);
508 static int netxen_nic_set_mac(struct net_device *netdev, void *p)
510 struct netxen_adapter *adapter = netdev_priv(netdev);
511 struct sockaddr *addr = p;
513 if (!is_valid_ether_addr(addr->sa_data))
514 return -EADDRNOTAVAIL;
516 if (netif_running(netdev)) {
517 netif_device_detach(netdev);
518 netxen_napi_disable(adapter);
521 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
522 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
523 adapter->macaddr_set(adapter, addr->sa_data);
525 if (netif_running(netdev)) {
526 netif_device_attach(netdev);
527 netxen_napi_enable(adapter);
532 static void netxen_set_multicast_list(struct net_device *dev)
534 struct netxen_adapter *adapter = netdev_priv(dev);
536 adapter->set_multi(dev);
539 static netdev_features_t netxen_fix_features(struct net_device *dev,
540 netdev_features_t features)
542 if (!(features & NETIF_F_RXCSUM)) {
543 netdev_info(dev, "disabling LRO as RXCSUM is off\n");
545 features &= ~NETIF_F_LRO;
551 static int netxen_set_features(struct net_device *dev,
552 netdev_features_t features)
554 struct netxen_adapter *adapter = netdev_priv(dev);
557 if (!((dev->features ^ features) & NETIF_F_LRO))
560 hw_lro = (features & NETIF_F_LRO) ? NETXEN_NIC_LRO_ENABLED
561 : NETXEN_NIC_LRO_DISABLED;
563 if (netxen_config_hw_lro(adapter, hw_lro))
566 if (!(features & NETIF_F_LRO) && netxen_send_lro_cleanup(adapter))
572 static const struct net_device_ops netxen_netdev_ops = {
573 .ndo_open = netxen_nic_open,
574 .ndo_stop = netxen_nic_close,
575 .ndo_start_xmit = netxen_nic_xmit_frame,
576 .ndo_get_stats64 = netxen_nic_get_stats,
577 .ndo_validate_addr = eth_validate_addr,
578 .ndo_set_rx_mode = netxen_set_multicast_list,
579 .ndo_set_mac_address = netxen_nic_set_mac,
580 .ndo_change_mtu = netxen_nic_change_mtu,
581 .ndo_tx_timeout = netxen_tx_timeout,
582 .ndo_fix_features = netxen_fix_features,
583 .ndo_set_features = netxen_set_features,
584 #ifdef CONFIG_NET_POLL_CONTROLLER
585 .ndo_poll_controller = netxen_nic_poll_controller,
589 static inline void netxen_set_interrupt_mode(struct netxen_adapter *adapter,
592 NXWR32(adapter, NETXEN_INTR_MODE_REG, mode);
595 static inline u32 netxen_get_interrupt_mode(struct netxen_adapter *adapter)
597 return NXRD32(adapter, NETXEN_INTR_MODE_REG);
601 netxen_initialize_interrupt_registers(struct netxen_adapter *adapter)
603 struct netxen_legacy_intr_set *legacy_intrp;
604 u32 tgt_status_reg, int_state_reg;
606 if (adapter->ahw.revision_id >= NX_P3_B0)
607 legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
609 legacy_intrp = &legacy_intr[0];
611 tgt_status_reg = legacy_intrp->tgt_status_reg;
612 int_state_reg = ISR_INT_STATE_REG;
614 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
615 adapter->tgt_status_reg = netxen_get_ioaddr(adapter, tgt_status_reg);
616 adapter->tgt_mask_reg = netxen_get_ioaddr(adapter,
617 legacy_intrp->tgt_mask_reg);
618 adapter->pci_int_reg = netxen_get_ioaddr(adapter,
619 legacy_intrp->pci_int_reg);
620 adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR);
622 if (adapter->ahw.revision_id >= NX_P3_B1)
623 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
626 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
630 static int netxen_setup_msi_interrupts(struct netxen_adapter *adapter,
633 struct pci_dev *pdev = adapter->pdev;
637 if (adapter->msix_supported) {
638 netxen_init_msix_entries(adapter, num_msix);
639 err = pci_enable_msix_range(pdev, adapter->msix_entries,
642 adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
643 netxen_set_msix_bit(pdev, 1);
645 if (adapter->rss_supported)
646 adapter->max_sds_rings = num_msix;
648 dev_info(&pdev->dev, "using msi-x interrupts\n");
651 /* fall through for msi */
654 if (use_msi && !pci_enable_msi(pdev)) {
655 value = msi_tgt_status[adapter->ahw.pci_func];
656 adapter->flags |= NETXEN_NIC_MSI_ENABLED;
657 adapter->tgt_status_reg = netxen_get_ioaddr(adapter, value);
658 adapter->msix_entries[0].vector = pdev->irq;
659 dev_info(&pdev->dev, "using msi interrupts\n");
663 dev_err(&pdev->dev, "Failed to acquire MSI-X/MSI interrupt vector\n");
667 static int netxen_setup_intr(struct netxen_adapter *adapter)
669 struct pci_dev *pdev = adapter->pdev;
672 if (adapter->rss_supported)
673 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
674 MSIX_ENTRIES_PER_ADAPTER : 2;
678 adapter->max_sds_rings = 1;
679 adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
681 netxen_initialize_interrupt_registers(adapter);
682 netxen_set_msix_bit(pdev, 0);
684 if (adapter->portnum == 0) {
685 if (!netxen_setup_msi_interrupts(adapter, num_msix))
686 netxen_set_interrupt_mode(adapter, NETXEN_MSI_MODE);
688 netxen_set_interrupt_mode(adapter, NETXEN_INTX_MODE);
690 if (netxen_get_interrupt_mode(adapter) == NETXEN_MSI_MODE &&
691 netxen_setup_msi_interrupts(adapter, num_msix)) {
692 dev_err(&pdev->dev, "Co-existence of MSI-X/MSI and INTx interrupts is not supported\n");
697 if (!NETXEN_IS_MSI_FAMILY(adapter)) {
698 adapter->msix_entries[0].vector = pdev->irq;
699 dev_info(&pdev->dev, "using legacy interrupts\n");
705 netxen_teardown_intr(struct netxen_adapter *adapter)
707 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
708 pci_disable_msix(adapter->pdev);
709 if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
710 pci_disable_msi(adapter->pdev);
714 netxen_cleanup_pci_map(struct netxen_adapter *adapter)
716 if (adapter->ahw.db_base != NULL)
717 iounmap(adapter->ahw.db_base);
718 if (adapter->ahw.pci_base0 != NULL)
719 iounmap(adapter->ahw.pci_base0);
720 if (adapter->ahw.pci_base1 != NULL)
721 iounmap(adapter->ahw.pci_base1);
722 if (adapter->ahw.pci_base2 != NULL)
723 iounmap(adapter->ahw.pci_base2);
727 netxen_setup_pci_map(struct netxen_adapter *adapter)
729 void __iomem *db_ptr = NULL;
731 resource_size_t mem_base, db_base;
732 unsigned long mem_len, db_len = 0;
734 struct pci_dev *pdev = adapter->pdev;
735 int pci_func = adapter->ahw.pci_func;
736 struct netxen_hardware_context *ahw = &adapter->ahw;
741 * Set the CRB window to invalid. If any register in window 0 is
742 * accessed it should set the window to 0 and then reset it to 1.
744 adapter->ahw.crb_win = -1;
745 adapter->ahw.ocm_win = -1;
747 /* remap phys address */
748 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
749 mem_len = pci_resource_len(pdev, 0);
751 /* 128 Meg of memory */
752 if (mem_len == NETXEN_PCI_128MB_SIZE) {
754 ahw->pci_base0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
755 ahw->pci_base1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
756 SECOND_PAGE_GROUP_SIZE);
757 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
758 THIRD_PAGE_GROUP_SIZE);
759 if (ahw->pci_base0 == NULL || ahw->pci_base1 == NULL ||
760 ahw->pci_base2 == NULL) {
761 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
766 ahw->pci_len0 = FIRST_PAGE_GROUP_SIZE;
768 } else if (mem_len == NETXEN_PCI_32MB_SIZE) {
770 ahw->pci_base1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
771 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
772 SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
773 if (ahw->pci_base1 == NULL || ahw->pci_base2 == NULL) {
774 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
779 } else if (mem_len == NETXEN_PCI_2MB_SIZE) {
781 ahw->pci_base0 = pci_ioremap_bar(pdev, 0);
782 if (ahw->pci_base0 == NULL) {
783 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
786 ahw->pci_len0 = mem_len;
791 netxen_setup_hwops(adapter);
793 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
795 if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
796 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
797 NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
799 } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
800 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
801 NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
804 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
807 db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
808 db_len = pci_resource_len(pdev, 4);
811 printk(KERN_ERR "%s: doorbell is disabled\n",
812 netxen_nic_driver_name);
817 db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
819 printk(KERN_ERR "%s: Failed to allocate doorbell map.",
820 netxen_nic_driver_name);
826 adapter->ahw.db_base = db_ptr;
827 adapter->ahw.db_len = db_len;
831 netxen_cleanup_pci_map(adapter);
836 netxen_check_options(struct netxen_adapter *adapter)
838 u32 fw_major, fw_minor, fw_build, prev_fw_version;
839 char brd_name[NETXEN_MAX_SHORT_NAME];
841 int i, offset, val, err;
843 struct pci_dev *pdev = adapter->pdev;
845 adapter->driver_mismatch = 0;
847 ptr32 = (__le32 *)&serial_num;
848 offset = NX_FW_SERIAL_NUM_OFFSET;
849 for (i = 0; i < 8; i++) {
850 err = netxen_rom_fast_read(adapter, offset, &val);
852 dev_err(&pdev->dev, "error reading board info\n");
853 adapter->driver_mismatch = 1;
856 ptr32[i] = cpu_to_le32(val);
857 offset += sizeof(u32);
860 fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
861 fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
862 fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
863 prev_fw_version = adapter->fw_version;
864 adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
866 /* Get FW Mini Coredump template and store it */
867 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
868 if (adapter->mdump.md_template == NULL ||
869 adapter->fw_version > prev_fw_version) {
870 kfree(adapter->mdump.md_template);
871 adapter->mdump.md_template = NULL;
872 err = netxen_setup_minidump(adapter);
874 dev_err(&adapter->pdev->dev,
875 "Failed to setup minidump rcode = %d\n", err);
879 if (adapter->portnum == 0) {
880 if (netxen_nic_get_brd_name_by_type(adapter->ahw.board_type,
882 strcpy(serial_num, "Unknown");
884 pr_info("%s: %s Board S/N %s Chip rev 0x%x\n",
885 module_name(THIS_MODULE),
886 brd_name, serial_num, adapter->ahw.revision_id);
889 if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) {
890 adapter->driver_mismatch = 1;
891 dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n",
892 fw_major, fw_minor, fw_build);
896 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
897 i = NXRD32(adapter, NETXEN_SRE_MISC);
898 adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0;
901 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d [%s]\n",
902 NETXEN_NIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build,
903 adapter->ahw.cut_through ? "cut-through" : "legacy");
905 if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
906 adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
908 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
909 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
910 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
911 } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
912 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
913 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
916 adapter->msix_supported = 0;
917 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
918 adapter->msix_supported = !!use_msi_x;
919 adapter->rss_supported = !!use_msi_x;
922 netxen_rom_fast_read(adapter,
923 NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
924 flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
926 if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) {
927 switch (adapter->ahw.board_type) {
928 case NETXEN_BRDTYPE_P2_SB31_10G:
929 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
930 adapter->msix_supported = !!use_msi_x;
931 adapter->rss_supported = !!use_msi_x;
939 adapter->num_txd = MAX_CMD_DESCRIPTORS;
941 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
942 adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
943 adapter->max_rds_rings = 3;
945 adapter->num_lro_rxd = 0;
946 adapter->max_rds_rings = 2;
951 netxen_start_firmware(struct netxen_adapter *adapter)
953 int val, err, first_boot;
954 struct pci_dev *pdev = adapter->pdev;
956 /* required for NX2031 dummy dma */
957 err = nx_set_dma_mask(adapter);
961 err = netxen_can_start_firmware(adapter);
969 first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
971 err = netxen_check_hw_init(adapter, first_boot);
973 dev_err(&pdev->dev, "error in init HW init sequence\n");
977 netxen_request_firmware(adapter);
979 err = netxen_need_fw_reset(adapter);
983 goto pcie_strap_init;
985 if (first_boot != 0x55555555) {
986 NXWR32(adapter, CRB_CMDPEG_STATE, 0);
987 netxen_pinit_from_rom(adapter);
991 NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555);
992 NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0);
993 NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0);
995 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
996 netxen_set_port_mode(adapter);
998 err = netxen_load_firmware(adapter);
1002 netxen_release_firmware(adapter);
1004 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1006 /* Initialize multicast addr pool owners */
1008 if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
1010 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
1014 err = netxen_init_dummy_dma(adapter);
1019 * Tell the hardware our version number.
1021 val = (_NETXEN_NIC_LINUX_MAJOR << 16)
1022 | ((_NETXEN_NIC_LINUX_MINOR << 8))
1023 | (_NETXEN_NIC_LINUX_SUBVERSION);
1024 NXWR32(adapter, CRB_DRIVER_VERSION, val);
1027 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1028 netxen_pcie_strap_init(adapter);
1031 /* Handshake with the card before we register the devices. */
1032 err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
1034 netxen_free_dummy_dma(adapter);
1038 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
1040 nx_update_dma_mask(adapter);
1042 netxen_check_options(adapter);
1044 adapter->need_fw_reset = 0;
1046 /* fall through and release firmware */
1049 netxen_release_firmware(adapter);
1054 netxen_nic_request_irq(struct netxen_adapter *adapter)
1056 irq_handler_t handler;
1057 struct nx_host_sds_ring *sds_ring;
1060 unsigned long flags = 0;
1061 struct net_device *netdev = adapter->netdev;
1062 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1064 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
1065 handler = netxen_msix_intr;
1066 else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
1067 handler = netxen_msi_intr;
1069 flags |= IRQF_SHARED;
1070 handler = netxen_intr;
1072 adapter->irq = netdev->irq;
1074 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1075 sds_ring = &recv_ctx->sds_rings[ring];
1076 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1077 err = request_irq(sds_ring->irq, handler,
1078 flags, sds_ring->name, sds_ring);
1087 netxen_nic_free_irq(struct netxen_adapter *adapter)
1090 struct nx_host_sds_ring *sds_ring;
1092 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1094 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1095 sds_ring = &recv_ctx->sds_rings[ring];
1096 free_irq(sds_ring->irq, sds_ring);
1101 netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter)
1103 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
1104 adapter->coal.normal.data.rx_time_us =
1105 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
1106 adapter->coal.normal.data.rx_packets =
1107 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
1108 adapter->coal.normal.data.tx_time_us =
1109 NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US;
1110 adapter->coal.normal.data.tx_packets =
1111 NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
1114 /* with rtnl_lock */
1116 __netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1120 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1123 err = adapter->init_port(adapter, adapter->physical_port);
1125 printk(KERN_ERR "%s: Failed to initialize port %d\n",
1126 netxen_nic_driver_name, adapter->portnum);
1129 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
1130 adapter->macaddr_set(adapter, adapter->mac_addr);
1132 adapter->set_multi(netdev);
1133 adapter->set_mtu(adapter, netdev->mtu);
1135 adapter->ahw.linkup = 0;
1137 if (adapter->max_sds_rings > 1)
1138 netxen_config_rss(adapter, 1);
1140 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1141 netxen_config_intr_coalesce(adapter);
1143 if (netdev->features & NETIF_F_LRO)
1144 netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED);
1146 netxen_napi_enable(adapter);
1148 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1149 netxen_linkevent_request(adapter, 1);
1151 netxen_nic_set_link_parameters(adapter);
1153 set_bit(__NX_DEV_UP, &adapter->state);
1157 /* Usage: During resume and firmware recovery module.*/
1160 netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1165 if (netif_running(netdev))
1166 err = __netxen_nic_up(adapter, netdev);
1172 /* with rtnl_lock */
1174 __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1176 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1179 if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state))
1183 netif_carrier_off(netdev);
1184 netif_tx_disable(netdev);
1186 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1187 netxen_linkevent_request(adapter, 0);
1189 if (adapter->stop_port)
1190 adapter->stop_port(adapter);
1192 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1193 netxen_p3_free_mac_list(adapter);
1195 adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
1197 netxen_napi_disable(adapter);
1199 netxen_release_tx_buffers(adapter);
1202 /* Usage: During suspend and firmware recovery module */
1205 netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1208 if (netif_running(netdev))
1209 __netxen_nic_down(adapter, netdev);
1215 netxen_nic_attach(struct netxen_adapter *adapter)
1217 struct net_device *netdev = adapter->netdev;
1218 struct pci_dev *pdev = adapter->pdev;
1220 struct nx_host_rds_ring *rds_ring;
1221 struct nx_host_tx_ring *tx_ring;
1224 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
1227 err = netxen_init_firmware(adapter);
1231 adapter->flags &= ~NETXEN_FW_MSS_CAP;
1232 if (adapter->capabilities & NX_FW_CAPABILITY_MORE_CAPS) {
1233 capab2 = NXRD32(adapter, CRB_FW_CAPABILITIES_2);
1234 if (capab2 & NX_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1235 adapter->flags |= NETXEN_FW_MSS_CAP;
1238 err = netxen_napi_add(adapter, netdev);
1242 err = netxen_alloc_sw_resources(adapter);
1244 printk(KERN_ERR "%s: Error in setting sw resources\n",
1249 err = netxen_alloc_hw_resources(adapter);
1251 printk(KERN_ERR "%s: Error in setting hw resources\n",
1253 goto err_out_free_sw;
1256 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1257 tx_ring = adapter->tx_ring;
1258 tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
1259 crb_cmd_producer[adapter->portnum]);
1260 tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter,
1261 crb_cmd_consumer[adapter->portnum]);
1263 tx_ring->producer = 0;
1264 tx_ring->sw_consumer = 0;
1266 netxen_nic_update_cmd_producer(adapter, tx_ring);
1267 netxen_nic_update_cmd_consumer(adapter, tx_ring);
1270 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1271 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1272 netxen_post_rx_buffers(adapter, ring, rds_ring);
1275 err = netxen_nic_request_irq(adapter);
1277 dev_err(&pdev->dev, "%s: failed to setup interrupt\n",
1279 goto err_out_free_rxbuf;
1282 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1283 netxen_nic_init_coalesce_defaults(adapter);
1285 netxen_create_sysfs_entries(adapter);
1287 adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
1291 netxen_release_rx_buffers(adapter);
1292 netxen_free_hw_resources(adapter);
1294 netxen_free_sw_resources(adapter);
1299 netxen_nic_detach(struct netxen_adapter *adapter)
1301 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1304 netxen_remove_sysfs_entries(adapter);
1306 netxen_free_hw_resources(adapter);
1307 netxen_release_rx_buffers(adapter);
1308 netxen_nic_free_irq(adapter);
1309 netxen_napi_del(adapter);
1310 netxen_free_sw_resources(adapter);
1316 netxen_nic_reset_context(struct netxen_adapter *adapter)
1319 struct net_device *netdev = adapter->netdev;
1321 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
1324 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
1326 netif_device_detach(netdev);
1328 if (netif_running(netdev))
1329 __netxen_nic_down(adapter, netdev);
1331 netxen_nic_detach(adapter);
1333 if (netif_running(netdev)) {
1334 err = netxen_nic_attach(adapter);
1336 err = __netxen_nic_up(adapter, netdev);
1342 netif_device_attach(netdev);
1346 clear_bit(__NX_RESETTING, &adapter->state);
1351 netxen_setup_netdev(struct netxen_adapter *adapter,
1352 struct net_device *netdev)
1355 struct pci_dev *pdev = adapter->pdev;
1357 adapter->mc_enabled = 0;
1358 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1359 adapter->max_mc_count = 38;
1361 adapter->max_mc_count = 16;
1363 netdev->netdev_ops = &netxen_netdev_ops;
1364 netdev->watchdog_timeo = 5*HZ;
1366 netxen_nic_change_mtu(netdev, netdev->mtu);
1368 netdev->ethtool_ops = &netxen_nic_ethtool_ops;
1370 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
1373 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1374 netdev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
1376 netdev->vlan_features |= netdev->hw_features;
1378 if (adapter->pci_using_dac) {
1379 netdev->features |= NETIF_F_HIGHDMA;
1380 netdev->vlan_features |= NETIF_F_HIGHDMA;
1383 if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX)
1384 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX;
1386 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
1387 netdev->hw_features |= NETIF_F_LRO;
1389 netdev->features |= netdev->hw_features;
1391 netdev->irq = adapter->msix_entries[0].vector;
1393 INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
1395 if (netxen_read_mac_addr(adapter))
1396 dev_warn(&pdev->dev, "failed to read mac addr\n");
1398 netif_carrier_off(netdev);
1400 err = register_netdev(netdev);
1402 dev_err(&pdev->dev, "failed to register net device\n");
1409 #define NETXEN_ULA_ADAPTER_KEY (0xdaddad01)
1410 #define NETXEN_NON_ULA_ADAPTER_KEY (0xdaddad00)
1412 static void netxen_read_ula_info(struct netxen_adapter *adapter)
1416 /* Print ULA info only once for an adapter */
1417 if (adapter->portnum != 0)
1420 temp = NXRD32(adapter, NETXEN_ULA_KEY);
1422 case NETXEN_ULA_ADAPTER_KEY:
1423 dev_info(&adapter->pdev->dev, "ULA adapter");
1425 case NETXEN_NON_ULA_ADAPTER_KEY:
1426 dev_info(&adapter->pdev->dev, "non ULA adapter");
1435 #ifdef CONFIG_PCIEAER
1436 static void netxen_mask_aer_correctable(struct netxen_adapter *adapter)
1438 struct pci_dev *pdev = adapter->pdev;
1439 struct pci_dev *root = pdev->bus->self;
1446 if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM &&
1447 adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP)
1450 if (pci_pcie_type(root) != PCI_EXP_TYPE_ROOT_PORT)
1453 aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR);
1457 pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff);
1462 netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1464 struct net_device *netdev = NULL;
1465 struct netxen_adapter *adapter = NULL;
1467 int pci_func_id = PCI_FUNC(pdev->devfn);
1468 uint8_t revision_id;
1471 if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
1472 pr_warn("%s: chip revisions between 0x%x-0x%x will not be enabled\n",
1473 module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
1477 if ((err = pci_enable_device(pdev)))
1480 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1482 goto err_out_disable_pdev;
1485 if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
1486 goto err_out_disable_pdev;
1488 if (NX_IS_REVISION_P3(pdev->revision))
1489 pci_enable_pcie_error_reporting(pdev);
1491 pci_set_master(pdev);
1493 netdev = alloc_etherdev(sizeof(struct netxen_adapter));
1496 goto err_out_free_res;
1499 SET_NETDEV_DEV(netdev, &pdev->dev);
1501 adapter = netdev_priv(netdev);
1502 adapter->netdev = netdev;
1503 adapter->pdev = pdev;
1504 adapter->ahw.pci_func = pci_func_id;
1506 revision_id = pdev->revision;
1507 adapter->ahw.revision_id = revision_id;
1509 rwlock_init(&adapter->ahw.crb_lock);
1510 spin_lock_init(&adapter->ahw.mem_lock);
1512 spin_lock_init(&adapter->tx_clean_lock);
1513 INIT_LIST_HEAD(&adapter->mac_list);
1514 INIT_LIST_HEAD(&adapter->ip_list);
1516 err = netxen_setup_pci_map(adapter);
1518 goto err_out_free_netdev;
1520 /* This will be reset for mezz cards */
1521 adapter->portnum = pci_func_id;
1523 err = netxen_nic_get_board_info(adapter);
1525 dev_err(&pdev->dev, "Error getting board config info.\n");
1526 goto err_out_iounmap;
1529 #ifdef CONFIG_PCIEAER
1530 netxen_mask_aer_correctable(adapter);
1533 /* Mezz cards have PCI function 0,2,3 enabled */
1534 switch (adapter->ahw.board_type) {
1535 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1536 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1537 if (pci_func_id >= 2)
1538 adapter->portnum = pci_func_id - 2;
1544 err = netxen_check_flash_fw_compatibility(adapter);
1546 goto err_out_iounmap;
1548 if (adapter->portnum == 0) {
1549 val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
1550 if (val != 0xffffffff && val != 0) {
1551 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, 0);
1552 adapter->need_fw_reset = 1;
1556 err = netxen_start_firmware(adapter);
1558 goto err_out_decr_ref;
1561 * See if the firmware gave us a virtual-physical port mapping.
1563 adapter->physical_port = adapter->portnum;
1564 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1565 i = NXRD32(adapter, CRB_V2P(adapter->portnum));
1566 if (i != 0x55555555)
1567 adapter->physical_port = i;
1570 netxen_nic_clear_stats(adapter);
1572 err = netxen_setup_intr(adapter);
1575 dev_err(&adapter->pdev->dev,
1576 "Failed to setup interrupts, error = %d\n", err);
1577 goto err_out_disable_msi;
1580 netxen_read_ula_info(adapter);
1582 err = netxen_setup_netdev(adapter, netdev);
1584 goto err_out_disable_msi;
1586 pci_set_drvdata(pdev, adapter);
1588 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1590 switch (adapter->ahw.port_type) {
1591 case NETXEN_NIC_GBE:
1592 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1593 adapter->netdev->name);
1595 case NETXEN_NIC_XGBE:
1596 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1597 adapter->netdev->name);
1601 netxen_create_diag_entries(adapter);
1605 err_out_disable_msi:
1606 netxen_teardown_intr(adapter);
1608 netxen_free_dummy_dma(adapter);
1611 nx_decr_dev_ref_cnt(adapter);
1614 netxen_cleanup_pci_map(adapter);
1616 err_out_free_netdev:
1617 free_netdev(netdev);
1620 if (NX_IS_REVISION_P3(pdev->revision))
1621 pci_disable_pcie_error_reporting(pdev);
1622 pci_release_regions(pdev);
1624 err_out_disable_pdev:
1625 pci_disable_device(pdev);
1630 void netxen_cleanup_minidump(struct netxen_adapter *adapter)
1632 kfree(adapter->mdump.md_template);
1633 adapter->mdump.md_template = NULL;
1635 if (adapter->mdump.md_capture_buff) {
1636 vfree(adapter->mdump.md_capture_buff);
1637 adapter->mdump.md_capture_buff = NULL;
1641 static void netxen_nic_remove(struct pci_dev *pdev)
1643 struct netxen_adapter *adapter;
1644 struct net_device *netdev;
1646 adapter = pci_get_drvdata(pdev);
1647 if (adapter == NULL)
1650 netdev = adapter->netdev;
1652 netxen_cancel_fw_work(adapter);
1654 unregister_netdev(netdev);
1656 cancel_work_sync(&adapter->tx_timeout_task);
1658 netxen_free_ip_list(adapter, false);
1659 netxen_nic_detach(adapter);
1661 nx_decr_dev_ref_cnt(adapter);
1663 if (adapter->portnum == 0)
1664 netxen_free_dummy_dma(adapter);
1666 clear_bit(__NX_RESETTING, &adapter->state);
1668 netxen_teardown_intr(adapter);
1669 netxen_set_interrupt_mode(adapter, 0);
1670 netxen_remove_diag_entries(adapter);
1672 netxen_cleanup_pci_map(adapter);
1674 netxen_release_firmware(adapter);
1676 if (NX_IS_REVISION_P3(pdev->revision)) {
1677 netxen_cleanup_minidump(adapter);
1678 pci_disable_pcie_error_reporting(pdev);
1681 pci_release_regions(pdev);
1682 pci_disable_device(pdev);
1684 free_netdev(netdev);
1687 static void netxen_nic_detach_func(struct netxen_adapter *adapter)
1689 struct net_device *netdev = adapter->netdev;
1691 netif_device_detach(netdev);
1693 netxen_cancel_fw_work(adapter);
1695 if (netif_running(netdev))
1696 netxen_nic_down(adapter, netdev);
1698 cancel_work_sync(&adapter->tx_timeout_task);
1700 netxen_nic_detach(adapter);
1702 if (adapter->portnum == 0)
1703 netxen_free_dummy_dma(adapter);
1705 nx_decr_dev_ref_cnt(adapter);
1707 clear_bit(__NX_RESETTING, &adapter->state);
1710 static int netxen_nic_attach_func(struct pci_dev *pdev)
1712 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1713 struct net_device *netdev = adapter->netdev;
1716 err = pci_enable_device(pdev);
1720 pci_set_power_state(pdev, PCI_D0);
1721 pci_set_master(pdev);
1722 pci_restore_state(pdev);
1724 adapter->ahw.crb_win = -1;
1725 adapter->ahw.ocm_win = -1;
1727 err = netxen_start_firmware(adapter);
1729 dev_err(&pdev->dev, "failed to start firmware\n");
1733 if (netif_running(netdev)) {
1734 err = netxen_nic_attach(adapter);
1738 err = netxen_nic_up(adapter, netdev);
1740 goto err_out_detach;
1742 netxen_restore_indev_addr(netdev, NETDEV_UP);
1745 netif_device_attach(netdev);
1746 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1750 netxen_nic_detach(adapter);
1752 nx_decr_dev_ref_cnt(adapter);
1756 static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev,
1757 pci_channel_state_t state)
1759 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1761 if (state == pci_channel_io_perm_failure)
1762 return PCI_ERS_RESULT_DISCONNECT;
1764 if (nx_dev_request_aer(adapter))
1765 return PCI_ERS_RESULT_RECOVERED;
1767 netxen_nic_detach_func(adapter);
1769 pci_disable_device(pdev);
1771 return PCI_ERS_RESULT_NEED_RESET;
1774 static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev)
1778 err = netxen_nic_attach_func(pdev);
1780 return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
1783 static void netxen_io_resume(struct pci_dev *pdev)
1785 pci_cleanup_aer_uncorrect_error_status(pdev);
1788 static void netxen_nic_shutdown(struct pci_dev *pdev)
1790 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1792 netxen_nic_detach_func(adapter);
1794 if (pci_save_state(pdev))
1797 if (netxen_nic_wol_supported(adapter)) {
1798 pci_enable_wake(pdev, PCI_D3cold, 1);
1799 pci_enable_wake(pdev, PCI_D3hot, 1);
1802 pci_disable_device(pdev);
1807 netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
1809 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1812 netxen_nic_detach_func(adapter);
1814 retval = pci_save_state(pdev);
1818 if (netxen_nic_wol_supported(adapter)) {
1819 pci_enable_wake(pdev, PCI_D3cold, 1);
1820 pci_enable_wake(pdev, PCI_D3hot, 1);
1823 pci_disable_device(pdev);
1824 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1830 netxen_nic_resume(struct pci_dev *pdev)
1832 return netxen_nic_attach_func(pdev);
1836 static int netxen_nic_open(struct net_device *netdev)
1838 struct netxen_adapter *adapter = netdev_priv(netdev);
1841 if (adapter->driver_mismatch)
1844 err = netxen_nic_attach(adapter);
1848 err = __netxen_nic_up(adapter, netdev);
1852 netif_start_queue(netdev);
1857 netxen_nic_detach(adapter);
1862 * netxen_nic_close - Disables a network interface entry point
1864 static int netxen_nic_close(struct net_device *netdev)
1866 struct netxen_adapter *adapter = netdev_priv(netdev);
1868 __netxen_nic_down(adapter, netdev);
1873 netxen_tso_check(struct net_device *netdev,
1874 struct nx_host_tx_ring *tx_ring,
1875 struct cmd_desc_type0 *first_desc,
1876 struct sk_buff *skb)
1878 u8 opcode = TX_ETHER_PKT;
1879 __be16 protocol = skb->protocol;
1880 u16 flags = 0, vid = 0;
1882 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1883 struct cmd_desc_type0 *hwdesc;
1884 struct vlan_ethhdr *vh;
1886 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
1888 vh = (struct vlan_ethhdr *)skb->data;
1889 protocol = vh->h_vlan_encapsulated_proto;
1890 flags = FLAGS_VLAN_TAGGED;
1892 } else if (skb_vlan_tag_present(skb)) {
1893 flags = FLAGS_VLAN_OOB;
1894 vid = skb_vlan_tag_get(skb);
1895 netxen_set_tx_vlan_tci(first_desc, vid);
1899 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1900 skb_shinfo(skb)->gso_size > 0) {
1902 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1904 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1905 first_desc->total_hdr_length = hdr_len;
1907 first_desc->total_hdr_length += VLAN_HLEN;
1908 first_desc->tcp_hdr_offset = VLAN_HLEN;
1909 first_desc->ip_hdr_offset = VLAN_HLEN;
1910 /* Only in case of TSO on vlan device */
1911 flags |= FLAGS_VLAN_TAGGED;
1914 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1915 TX_TCP_LSO6 : TX_TCP_LSO;
1918 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1921 if (protocol == cpu_to_be16(ETH_P_IP)) {
1922 l4proto = ip_hdr(skb)->protocol;
1924 if (l4proto == IPPROTO_TCP)
1925 opcode = TX_TCP_PKT;
1926 else if(l4proto == IPPROTO_UDP)
1927 opcode = TX_UDP_PKT;
1928 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1929 l4proto = ipv6_hdr(skb)->nexthdr;
1931 if (l4proto == IPPROTO_TCP)
1932 opcode = TX_TCPV6_PKT;
1933 else if(l4proto == IPPROTO_UDP)
1934 opcode = TX_UDPV6_PKT;
1938 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1939 first_desc->ip_hdr_offset += skb_network_offset(skb);
1940 netxen_set_tx_flags_opcode(first_desc, flags, opcode);
1945 /* For LSO, we need to copy the MAC/IP/TCP headers into
1946 * the descriptor ring
1948 producer = tx_ring->producer;
1953 /* Create a TSO vlan header template for firmware */
1955 hwdesc = &tx_ring->desc_head[producer];
1956 tx_ring->cmd_buf_arr[producer].skb = NULL;
1958 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1959 hdr_len + VLAN_HLEN);
1961 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1962 skb_copy_from_linear_data(skb, vh, 12);
1963 vh->h_vlan_proto = htons(ETH_P_8021Q);
1964 vh->h_vlan_TCI = htons(vid);
1965 skb_copy_from_linear_data_offset(skb, 12,
1966 (char *)vh + 16, copy_len - 16);
1968 copied = copy_len - VLAN_HLEN;
1971 producer = get_next_index(producer, tx_ring->num_desc);
1974 while (copied < hdr_len) {
1976 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1977 (hdr_len - copied));
1979 hwdesc = &tx_ring->desc_head[producer];
1980 tx_ring->cmd_buf_arr[producer].skb = NULL;
1982 skb_copy_from_linear_data_offset(skb, copied,
1983 (char *)hwdesc + offset, copy_len);
1988 producer = get_next_index(producer, tx_ring->num_desc);
1991 tx_ring->producer = producer;
1996 netxen_map_tx_skb(struct pci_dev *pdev,
1997 struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
1999 struct netxen_skb_frag *nf;
2000 struct skb_frag_struct *frag;
2004 nr_frags = skb_shinfo(skb)->nr_frags;
2005 nf = &pbuf->frag_array[0];
2007 map = pci_map_single(pdev, skb->data,
2008 skb_headlen(skb), PCI_DMA_TODEVICE);
2009 if (pci_dma_mapping_error(pdev, map))
2013 nf->length = skb_headlen(skb);
2015 for (i = 0; i < nr_frags; i++) {
2016 frag = &skb_shinfo(skb)->frags[i];
2017 nf = &pbuf->frag_array[i+1];
2019 map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
2021 if (dma_mapping_error(&pdev->dev, map))
2025 nf->length = skb_frag_size(frag);
2032 nf = &pbuf->frag_array[i+1];
2033 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2037 nf = &pbuf->frag_array[0];
2038 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2046 netxen_clear_cmddesc(u64 *desc)
2053 netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2055 struct netxen_adapter *adapter = netdev_priv(netdev);
2056 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
2057 struct netxen_cmd_buffer *pbuf;
2058 struct netxen_skb_frag *buffrag;
2059 struct cmd_desc_type0 *hwdesc, *first_desc;
2060 struct pci_dev *pdev;
2063 struct skb_frag_struct *frag;
2066 int frag_count, no_of_desc;
2067 u32 num_txd = tx_ring->num_desc;
2069 frag_count = skb_shinfo(skb)->nr_frags + 1;
2071 /* 14 frags supported for normal packet and
2072 * 32 frags supported for TSO packet
2074 if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) {
2076 for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) {
2077 frag = &skb_shinfo(skb)->frags[i];
2078 delta += skb_frag_size(frag);
2081 if (!__pskb_pull_tail(skb, delta))
2084 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2086 /* 4 fragments per cmd des */
2087 no_of_desc = (frag_count + 3) >> 2;
2089 if (unlikely(netxen_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
2090 netif_stop_queue(netdev);
2092 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
2093 netif_start_queue(netdev);
2095 return NETDEV_TX_BUSY;
2098 producer = tx_ring->producer;
2099 pbuf = &tx_ring->cmd_buf_arr[producer];
2101 pdev = adapter->pdev;
2103 if (netxen_map_tx_skb(pdev, skb, pbuf))
2107 pbuf->frag_count = frag_count;
2109 first_desc = hwdesc = &tx_ring->desc_head[producer];
2110 netxen_clear_cmddesc((u64 *)hwdesc);
2112 netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
2113 netxen_set_tx_port(first_desc, adapter->portnum);
2115 for (i = 0; i < frag_count; i++) {
2119 if ((k == 0) && (i > 0)) {
2120 /* move to next desc.*/
2121 producer = get_next_index(producer, num_txd);
2122 hwdesc = &tx_ring->desc_head[producer];
2123 netxen_clear_cmddesc((u64 *)hwdesc);
2124 tx_ring->cmd_buf_arr[producer].skb = NULL;
2127 buffrag = &pbuf->frag_array[i];
2129 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2132 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2135 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2138 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2141 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2146 tx_ring->producer = get_next_index(producer, num_txd);
2148 netxen_tso_check(netdev, tx_ring, first_desc, skb);
2150 adapter->stats.txbytes += skb->len;
2151 adapter->stats.xmitcalled++;
2153 netxen_nic_update_cmd_producer(adapter, tx_ring);
2155 return NETDEV_TX_OK;
2158 adapter->stats.txdropped++;
2159 dev_kfree_skb_any(skb);
2160 return NETDEV_TX_OK;
2163 static int netxen_nic_check_temp(struct netxen_adapter *adapter)
2165 struct net_device *netdev = adapter->netdev;
2166 uint32_t temp, temp_state, temp_val;
2169 temp = NXRD32(adapter, CRB_TEMP_STATE);
2171 temp_state = nx_get_temp_state(temp);
2172 temp_val = nx_get_temp_val(temp);
2174 if (temp_state == NX_TEMP_PANIC) {
2176 "%s: Device temperature %d degrees C exceeds"
2177 " maximum allowed. Hardware has been shut down.\n",
2178 netdev->name, temp_val);
2180 } else if (temp_state == NX_TEMP_WARN) {
2181 if (adapter->temp == NX_TEMP_NORMAL) {
2183 "%s: Device temperature %d degrees C "
2184 "exceeds operating range."
2185 " Immediate action needed.\n",
2186 netdev->name, temp_val);
2189 if (adapter->temp == NX_TEMP_WARN) {
2191 "%s: Device temperature is now %d degrees C"
2192 " in normal range.\n", netdev->name,
2196 adapter->temp = temp_state;
2200 void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
2202 struct net_device *netdev = adapter->netdev;
2204 if (adapter->ahw.linkup && !linkup) {
2205 printk(KERN_INFO "%s: %s NIC Link is down\n",
2206 netxen_nic_driver_name, netdev->name);
2207 adapter->ahw.linkup = 0;
2208 if (netif_running(netdev)) {
2209 netif_carrier_off(netdev);
2210 netif_stop_queue(netdev);
2212 adapter->link_changed = !adapter->has_link_events;
2213 } else if (!adapter->ahw.linkup && linkup) {
2214 printk(KERN_INFO "%s: %s NIC Link is up\n",
2215 netxen_nic_driver_name, netdev->name);
2216 adapter->ahw.linkup = 1;
2217 if (netif_running(netdev)) {
2218 netif_carrier_on(netdev);
2219 netif_wake_queue(netdev);
2221 adapter->link_changed = !adapter->has_link_events;
2225 static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
2227 u32 val, port, linkup;
2229 port = adapter->physical_port;
2231 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2232 val = NXRD32(adapter, CRB_XG_STATE_P3);
2233 val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
2234 linkup = (val == XG_LINK_UP_P3);
2236 val = NXRD32(adapter, CRB_XG_STATE);
2237 val = (val >> port*8) & 0xff;
2238 linkup = (val == XG_LINK_UP);
2241 netxen_advert_link_change(adapter, linkup);
2244 static void netxen_tx_timeout(struct net_device *netdev)
2246 struct netxen_adapter *adapter = netdev_priv(netdev);
2248 if (test_bit(__NX_RESETTING, &adapter->state))
2251 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2252 schedule_work(&adapter->tx_timeout_task);
2255 static void netxen_tx_timeout_task(struct work_struct *work)
2257 struct netxen_adapter *adapter =
2258 container_of(work, struct netxen_adapter, tx_timeout_task);
2260 if (!netif_running(adapter->netdev))
2263 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
2266 if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
2270 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
2271 /* try to scrub interrupt */
2272 netxen_napi_disable(adapter);
2274 netxen_napi_enable(adapter);
2276 netif_wake_queue(adapter->netdev);
2278 clear_bit(__NX_RESETTING, &adapter->state);
2280 clear_bit(__NX_RESETTING, &adapter->state);
2281 if (netxen_nic_reset_context(adapter)) {
2286 netif_trans_update(adapter->netdev);
2291 adapter->need_fw_reset = 1;
2292 clear_bit(__NX_RESETTING, &adapter->state);
2295 static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *netdev,
2296 struct rtnl_link_stats64 *stats)
2298 struct netxen_adapter *adapter = netdev_priv(netdev);
2300 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2301 stats->tx_packets = adapter->stats.xmitfinished;
2302 stats->rx_bytes = adapter->stats.rxbytes;
2303 stats->tx_bytes = adapter->stats.txbytes;
2304 stats->rx_dropped = adapter->stats.rxdropped;
2305 stats->tx_dropped = adapter->stats.txdropped;
2310 static irqreturn_t netxen_intr(int irq, void *data)
2312 struct nx_host_sds_ring *sds_ring = data;
2313 struct netxen_adapter *adapter = sds_ring->adapter;
2316 status = readl(adapter->isr_int_vec);
2318 if (!(status & adapter->int_vec_bit))
2321 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2322 /* check interrupt state machine, to be sure */
2323 status = readl(adapter->crb_int_state_reg);
2324 if (!ISR_LEGACY_INT_TRIGGERED(status))
2328 unsigned long our_int = 0;
2330 our_int = readl(adapter->crb_int_state_reg);
2332 /* not our interrupt */
2333 if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
2336 /* claim interrupt */
2337 writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
2339 /* clear interrupt */
2340 netxen_nic_disable_int(sds_ring);
2343 writel(0xffffffff, adapter->tgt_status_reg);
2344 /* read twice to ensure write is flushed */
2345 readl(adapter->isr_int_vec);
2346 readl(adapter->isr_int_vec);
2348 napi_schedule(&sds_ring->napi);
2353 static irqreturn_t netxen_msi_intr(int irq, void *data)
2355 struct nx_host_sds_ring *sds_ring = data;
2356 struct netxen_adapter *adapter = sds_ring->adapter;
2358 /* clear interrupt */
2359 writel(0xffffffff, adapter->tgt_status_reg);
2361 napi_schedule(&sds_ring->napi);
2365 static irqreturn_t netxen_msix_intr(int irq, void *data)
2367 struct nx_host_sds_ring *sds_ring = data;
2369 napi_schedule(&sds_ring->napi);
2373 static int netxen_nic_poll(struct napi_struct *napi, int budget)
2375 struct nx_host_sds_ring *sds_ring =
2376 container_of(napi, struct nx_host_sds_ring, napi);
2378 struct netxen_adapter *adapter = sds_ring->adapter;
2383 tx_complete = netxen_process_cmd_ring(adapter);
2385 work_done = netxen_process_rcv_ring(sds_ring, budget);
2390 if (work_done < budget) {
2391 napi_complete(&sds_ring->napi);
2392 if (test_bit(__NX_DEV_UP, &adapter->state))
2393 netxen_nic_enable_int(sds_ring);
2399 #ifdef CONFIG_NET_POLL_CONTROLLER
2400 static void netxen_nic_poll_controller(struct net_device *netdev)
2403 struct nx_host_sds_ring *sds_ring;
2404 struct netxen_adapter *adapter = netdev_priv(netdev);
2405 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
2407 disable_irq(adapter->irq);
2408 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2409 sds_ring = &recv_ctx->sds_rings[ring];
2410 netxen_intr(adapter->irq, sds_ring);
2412 enable_irq(adapter->irq);
2417 nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
2420 if (netxen_api_lock(adapter))
2423 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2425 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2427 netxen_api_unlock(adapter);
2432 nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
2435 if (netxen_api_lock(adapter))
2438 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2439 WARN_ON(count == 0);
2441 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2442 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2444 if (count == 0 && state != NX_DEV_FAILED)
2445 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2447 netxen_api_unlock(adapter);
2452 nx_dev_request_aer(struct netxen_adapter *adapter)
2457 if (netxen_api_lock(adapter))
2460 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2462 if (state == NX_DEV_NEED_AER)
2464 else if (state == NX_DEV_READY) {
2465 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER);
2469 netxen_api_unlock(adapter);
2474 nx_dev_request_reset(struct netxen_adapter *adapter)
2479 if (netxen_api_lock(adapter))
2482 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2484 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED)
2486 else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
2487 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
2488 adapter->flags |= NETXEN_FW_RESET_OWNER;
2492 netxen_api_unlock(adapter);
2498 netxen_can_start_firmware(struct netxen_adapter *adapter)
2503 if (netxen_api_lock(adapter)) {
2504 nx_incr_dev_ref_cnt(adapter);
2508 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2510 if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
2515 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
2518 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2520 netxen_api_unlock(adapter);
2526 netxen_schedule_work(struct netxen_adapter *adapter,
2527 work_func_t func, int delay)
2529 INIT_DELAYED_WORK(&adapter->fw_work, func);
2530 schedule_delayed_work(&adapter->fw_work, delay);
2534 netxen_cancel_fw_work(struct netxen_adapter *adapter)
2536 while (test_and_set_bit(__NX_RESETTING, &adapter->state))
2539 cancel_delayed_work_sync(&adapter->fw_work);
2543 netxen_attach_work(struct work_struct *work)
2545 struct netxen_adapter *adapter = container_of(work,
2546 struct netxen_adapter, fw_work.work);
2547 struct net_device *netdev = adapter->netdev;
2550 if (netif_running(netdev)) {
2551 err = netxen_nic_attach(adapter);
2555 err = netxen_nic_up(adapter, netdev);
2557 netxen_nic_detach(adapter);
2561 netxen_restore_indev_addr(netdev, NETDEV_UP);
2564 netif_device_attach(netdev);
2567 adapter->fw_fail_cnt = 0;
2568 clear_bit(__NX_RESETTING, &adapter->state);
2569 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2573 netxen_fwinit_work(struct work_struct *work)
2575 struct netxen_adapter *adapter = container_of(work,
2576 struct netxen_adapter, fw_work.work);
2579 dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
2580 if (adapter->flags & NETXEN_FW_RESET_OWNER) {
2581 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2582 WARN_ON(count == 0);
2584 if (adapter->mdump.md_enabled) {
2586 netxen_dump_fw(adapter);
2589 adapter->flags &= ~NETXEN_FW_RESET_OWNER;
2590 if (netxen_api_lock(adapter)) {
2591 clear_bit(__NX_RESETTING, &adapter->state);
2592 NXWR32(adapter, NX_CRB_DEV_STATE,
2596 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2597 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2598 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2599 dev_state = NX_DEV_COLD;
2600 netxen_api_unlock(adapter);
2604 switch (dev_state) {
2607 if (!netxen_start_firmware(adapter)) {
2608 netxen_schedule_work(adapter, netxen_attach_work, 0);
2613 case NX_DEV_NEED_RESET:
2614 case NX_DEV_INITALIZING:
2615 netxen_schedule_work(adapter,
2616 netxen_fwinit_work, 2 * FW_POLL_DELAY);
2621 nx_incr_dev_ref_cnt(adapter);
2625 if (netxen_api_lock(adapter)) {
2626 clear_bit(__NX_RESETTING, &adapter->state);
2629 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED);
2630 netxen_api_unlock(adapter);
2631 dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n",
2632 adapter->netdev->name);
2634 clear_bit(__NX_RESETTING, &adapter->state);
2638 netxen_detach_work(struct work_struct *work)
2640 struct netxen_adapter *adapter = container_of(work,
2641 struct netxen_adapter, fw_work.work);
2642 struct net_device *netdev = adapter->netdev;
2643 int ref_cnt = 0, delay;
2646 netif_device_detach(netdev);
2648 netxen_nic_down(adapter, netdev);
2651 netxen_nic_detach(adapter);
2654 status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2656 if (status & NX_RCODE_FATAL_ERROR)
2659 if (adapter->temp == NX_TEMP_PANIC)
2662 if (!(adapter->flags & NETXEN_FW_RESET_OWNER))
2663 ref_cnt = nx_decr_dev_ref_cnt(adapter);
2665 if (ref_cnt == -EIO)
2668 delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
2670 adapter->fw_wait_cnt = 0;
2671 netxen_schedule_work(adapter, netxen_fwinit_work, delay);
2676 clear_bit(__NX_RESETTING, &adapter->state);
2680 netxen_check_health(struct netxen_adapter *adapter)
2682 u32 state, heartbit;
2684 struct net_device *netdev = adapter->netdev;
2686 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2687 if (state == NX_DEV_NEED_AER)
2690 if (netxen_nic_check_temp(adapter))
2693 if (adapter->need_fw_reset) {
2694 if (nx_dev_request_reset(adapter))
2699 /* NX_DEV_NEED_RESET, this state can be marked in two cases
2700 * 1. Tx timeout 2. Fw hang
2701 * Send request to destroy context in case of tx timeout only
2702 * and doesn't required in case of Fw hang
2704 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) {
2705 adapter->need_fw_reset = 1;
2706 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2710 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2713 heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
2714 if (heartbit != adapter->heartbit) {
2715 adapter->heartbit = heartbit;
2716 adapter->fw_fail_cnt = 0;
2717 if (adapter->need_fw_reset)
2722 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2725 if (nx_dev_request_reset(adapter))
2728 clear_bit(__NX_FW_ATTACHED, &adapter->state);
2730 dev_err(&netdev->dev, "firmware hang detected\n");
2731 peg_status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2732 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
2733 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2734 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2735 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2736 "PEG_NET_4_PC: 0x%x\n",
2738 NXRD32(adapter, NETXEN_PEG_HALT_STATUS2),
2739 NXRD32(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c),
2740 NXRD32(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c),
2741 NXRD32(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c),
2742 NXRD32(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c),
2743 NXRD32(adapter, NETXEN_CRB_PEG_NET_4 + 0x3c));
2744 if (NX_FWERROR_PEGSTAT1(peg_status) == 0x67)
2745 dev_err(&adapter->pdev->dev,
2746 "Firmware aborted with error code 0x00006700. "
2747 "Device is being reset.\n");
2749 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
2750 !test_and_set_bit(__NX_RESETTING, &adapter->state))
2751 netxen_schedule_work(adapter, netxen_detach_work, 0);
2756 netxen_fw_poll_work(struct work_struct *work)
2758 struct netxen_adapter *adapter = container_of(work,
2759 struct netxen_adapter, fw_work.work);
2761 if (test_bit(__NX_RESETTING, &adapter->state))
2764 if (test_bit(__NX_DEV_UP, &adapter->state) &&
2765 !(adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)) {
2766 if (!adapter->has_link_events) {
2768 netxen_nic_handle_phy_intr(adapter);
2770 if (adapter->link_changed)
2771 netxen_nic_set_link_parameters(adapter);
2775 if (netxen_check_health(adapter))
2779 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2783 netxen_store_bridged_mode(struct device *dev,
2784 struct device_attribute *attr, const char *buf, size_t len)
2786 struct net_device *net = to_net_dev(dev);
2787 struct netxen_adapter *adapter = netdev_priv(net);
2791 if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
2794 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2797 if (kstrtoul(buf, 2, &new))
2800 if (!netxen_config_bridged_mode(adapter, !!new))
2808 netxen_show_bridged_mode(struct device *dev,
2809 struct device_attribute *attr, char *buf)
2811 struct net_device *net = to_net_dev(dev);
2812 struct netxen_adapter *adapter;
2813 int bridged_mode = 0;
2815 adapter = netdev_priv(net);
2817 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2818 bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
2820 return sprintf(buf, "%d\n", bridged_mode);
2823 static struct device_attribute dev_attr_bridged_mode = {
2824 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
2825 .show = netxen_show_bridged_mode,
2826 .store = netxen_store_bridged_mode,
2830 netxen_store_diag_mode(struct device *dev,
2831 struct device_attribute *attr, const char *buf, size_t len)
2833 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2836 if (kstrtoul(buf, 2, &new))
2839 if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2840 adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
2846 netxen_show_diag_mode(struct device *dev,
2847 struct device_attribute *attr, char *buf)
2849 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2851 return sprintf(buf, "%d\n",
2852 !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
2855 static struct device_attribute dev_attr_diag_mode = {
2856 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
2857 .show = netxen_show_diag_mode,
2858 .store = netxen_store_diag_mode,
2862 netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
2863 loff_t offset, size_t size)
2865 size_t crb_size = 4;
2867 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2870 if (offset < NETXEN_PCI_CRBSPACE) {
2871 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2874 if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2875 NETXEN_PCI_CAMQM_2M_END))
2881 if ((size != crb_size) || (offset & (crb_size-1)))
2888 netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj,
2889 struct bin_attribute *attr,
2890 char *buf, loff_t offset, size_t size)
2892 struct device *dev = kobj_to_dev(kobj);
2893 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2898 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2902 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2903 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2904 NETXEN_PCI_CAMQM_2M_END)) {
2905 netxen_pci_camqm_read_2M(adapter, offset, &qmdata);
2906 memcpy(buf, &qmdata, size);
2908 data = NXRD32(adapter, offset);
2909 memcpy(buf, &data, size);
2916 netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj,
2917 struct bin_attribute *attr,
2918 char *buf, loff_t offset, size_t size)
2920 struct device *dev = kobj_to_dev(kobj);
2921 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2926 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2930 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2931 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2932 NETXEN_PCI_CAMQM_2M_END)) {
2933 memcpy(&qmdata, buf, size);
2934 netxen_pci_camqm_write_2M(adapter, offset, qmdata);
2936 memcpy(&data, buf, size);
2937 NXWR32(adapter, offset, data);
2944 netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
2945 loff_t offset, size_t size)
2947 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2950 if ((size != 8) || (offset & 0x7))
2957 netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj,
2958 struct bin_attribute *attr,
2959 char *buf, loff_t offset, size_t size)
2961 struct device *dev = kobj_to_dev(kobj);
2962 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2966 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2970 if (adapter->pci_mem_read(adapter, offset, &data))
2973 memcpy(buf, &data, size);
2978 static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj,
2979 struct bin_attribute *attr, char *buf,
2980 loff_t offset, size_t size)
2982 struct device *dev = kobj_to_dev(kobj);
2983 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2987 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2991 memcpy(&data, buf, size);
2993 if (adapter->pci_mem_write(adapter, offset, data))
3000 static struct bin_attribute bin_attr_crb = {
3001 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
3003 .read = netxen_sysfs_read_crb,
3004 .write = netxen_sysfs_write_crb,
3007 static struct bin_attribute bin_attr_mem = {
3008 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
3010 .read = netxen_sysfs_read_mem,
3011 .write = netxen_sysfs_write_mem,
3015 netxen_sysfs_read_dimm(struct file *filp, struct kobject *kobj,
3016 struct bin_attribute *attr,
3017 char *buf, loff_t offset, size_t size)
3019 struct device *dev = kobj_to_dev(kobj);
3020 struct netxen_adapter *adapter = dev_get_drvdata(dev);
3021 struct net_device *netdev = adapter->netdev;
3022 struct netxen_dimm_cfg dimm;
3023 u8 dw, rows, cols, banks, ranks;
3026 if (size < attr->size) {
3027 netdev_err(netdev, "Invalid size\n");
3031 memset(&dimm, 0, sizeof(struct netxen_dimm_cfg));
3032 val = NXRD32(adapter, NETXEN_DIMM_CAPABILITY);
3034 /* Checks if DIMM info is valid. */
3035 if (val & NETXEN_DIMM_VALID_FLAG) {
3036 netdev_err(netdev, "Invalid DIMM flag\n");
3037 dimm.presence = 0xff;
3041 rows = NETXEN_DIMM_NUMROWS(val);
3042 cols = NETXEN_DIMM_NUMCOLS(val);
3043 ranks = NETXEN_DIMM_NUMRANKS(val);
3044 banks = NETXEN_DIMM_NUMBANKS(val);
3045 dw = NETXEN_DIMM_DATAWIDTH(val);
3047 dimm.presence = (val & NETXEN_DIMM_PRESENT);
3049 /* Checks if DIMM info is present. */
3050 if (!dimm.presence) {
3051 netdev_err(netdev, "DIMM not present\n");
3055 dimm.dimm_type = NETXEN_DIMM_TYPE(val);
3057 switch (dimm.dimm_type) {
3058 case NETXEN_DIMM_TYPE_RDIMM:
3059 case NETXEN_DIMM_TYPE_UDIMM:
3060 case NETXEN_DIMM_TYPE_SO_DIMM:
3061 case NETXEN_DIMM_TYPE_Micro_DIMM:
3062 case NETXEN_DIMM_TYPE_Mini_RDIMM:
3063 case NETXEN_DIMM_TYPE_Mini_UDIMM:
3066 netdev_err(netdev, "Invalid DIMM type %x\n", dimm.dimm_type);
3070 if (val & NETXEN_DIMM_MEMTYPE_DDR2_SDRAM)
3071 dimm.mem_type = NETXEN_DIMM_MEM_DDR2_SDRAM;
3073 dimm.mem_type = NETXEN_DIMM_MEMTYPE(val);
3075 if (val & NETXEN_DIMM_SIZE) {
3076 dimm.size = NETXEN_DIMM_STD_MEM_SIZE;
3081 netdev_err(netdev, "Invalid no of rows %x\n", rows);
3086 netdev_err(netdev, "Invalid no of columns %x\n", cols);
3091 netdev_err(netdev, "Invalid no of banks %x\n", banks);
3123 netdev_err(netdev, "Invalid data-width %x\n", dw);
3127 dimm.size = ((1 << rows) * (1 << cols) * dw * banks * ranks) / 8;
3128 /* Size returned in MB. */
3129 dimm.size = (dimm.size) / 0x100000;
3131 memcpy(buf, &dimm, sizeof(struct netxen_dimm_cfg));
3132 return sizeof(struct netxen_dimm_cfg);
3136 static struct bin_attribute bin_attr_dimm = {
3137 .attr = { .name = "dimm", .mode = (S_IRUGO | S_IWUSR) },
3138 .size = sizeof(struct netxen_dimm_cfg),
3139 .read = netxen_sysfs_read_dimm,
3144 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
3146 struct device *dev = &adapter->pdev->dev;
3148 if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
3149 /* bridged_mode control */
3150 if (device_create_file(dev, &dev_attr_bridged_mode)) {
3152 "failed to create bridged_mode sysfs entry\n");
3158 netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
3160 struct device *dev = &adapter->pdev->dev;
3162 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
3163 device_remove_file(dev, &dev_attr_bridged_mode);
3167 netxen_create_diag_entries(struct netxen_adapter *adapter)
3169 struct pci_dev *pdev = adapter->pdev;
3173 if (device_create_file(dev, &dev_attr_diag_mode))
3174 dev_info(dev, "failed to create diag_mode sysfs entry\n");
3175 if (device_create_bin_file(dev, &bin_attr_crb))
3176 dev_info(dev, "failed to create crb sysfs entry\n");
3177 if (device_create_bin_file(dev, &bin_attr_mem))
3178 dev_info(dev, "failed to create mem sysfs entry\n");
3179 if (device_create_bin_file(dev, &bin_attr_dimm))
3180 dev_info(dev, "failed to create dimm sysfs entry\n");
3185 netxen_remove_diag_entries(struct netxen_adapter *adapter)
3187 struct pci_dev *pdev = adapter->pdev;
3188 struct device *dev = &pdev->dev;
3190 device_remove_file(dev, &dev_attr_diag_mode);
3191 device_remove_bin_file(dev, &bin_attr_crb);
3192 device_remove_bin_file(dev, &bin_attr_mem);
3193 device_remove_bin_file(dev, &bin_attr_dimm);
3198 #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
3201 netxen_destip_supported(struct netxen_adapter *adapter)
3203 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
3206 if (adapter->ahw.cut_through)
3213 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3215 struct nx_ip_list *cur, *tmp_cur;
3217 list_for_each_entry_safe(cur, tmp_cur, &adapter->ip_list, list) {
3220 netxen_config_ipaddr(adapter, cur->ip_addr,
3222 list_del(&cur->list);
3226 netxen_config_ipaddr(adapter, cur->ip_addr, NX_IP_DOWN);
3227 list_del(&cur->list);
3234 netxen_list_config_ip(struct netxen_adapter *adapter,
3235 struct in_ifaddr *ifa, unsigned long event)
3237 struct net_device *dev;
3238 struct nx_ip_list *cur, *tmp_cur;
3239 struct list_head *head;
3242 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3249 list_for_each(head, &adapter->ip_list) {
3250 cur = list_entry(head, struct nx_ip_list, list);
3252 if (cur->ip_addr == ifa->ifa_address)
3256 cur = kzalloc(sizeof(struct nx_ip_list), GFP_ATOMIC);
3259 if (dev->priv_flags & IFF_802_1Q_VLAN)
3260 dev = vlan_dev_real_dev(dev);
3261 cur->master = !!netif_is_bond_master(dev);
3262 cur->ip_addr = ifa->ifa_address;
3263 list_add_tail(&cur->list, &adapter->ip_list);
3264 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
3268 list_for_each_entry_safe(cur, tmp_cur,
3269 &adapter->ip_list, list) {
3270 if (cur->ip_addr == ifa->ifa_address) {
3271 list_del(&cur->list);
3273 netxen_config_ipaddr(adapter, ifa->ifa_address,
3285 netxen_config_indev_addr(struct netxen_adapter *adapter,
3286 struct net_device *dev, unsigned long event)
3288 struct in_device *indev;
3290 if (!netxen_destip_supported(adapter))
3293 indev = in_dev_get(dev);
3300 netxen_list_config_ip(adapter, ifa, NX_IP_UP);
3303 netxen_list_config_ip(adapter, ifa, NX_IP_DOWN);
3308 } endfor_ifa(indev);
3314 netxen_restore_indev_addr(struct net_device *netdev, unsigned long event)
3317 struct netxen_adapter *adapter = netdev_priv(netdev);
3318 struct nx_ip_list *pos, *tmp_pos;
3319 unsigned long ip_event;
3321 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3322 netxen_config_indev_addr(adapter, netdev, event);
3324 list_for_each_entry_safe(pos, tmp_pos, &adapter->ip_list, list) {
3325 netxen_config_ipaddr(adapter, pos->ip_addr, ip_event);
3330 netxen_config_checkdev(struct net_device *dev)
3332 struct netxen_adapter *adapter;
3334 if (!is_netxen_netdev(dev))
3336 adapter = netdev_priv(dev);
3339 if (!netxen_destip_supported(adapter))
3341 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
3348 * netxen_config_master - configure addresses based on master
3349 * @dev: netxen device
3350 * @event: netdev event
3352 static void netxen_config_master(struct net_device *dev, unsigned long event)
3354 struct net_device *master, *slave;
3355 struct netxen_adapter *adapter = netdev_priv(dev);
3358 master = netdev_master_upper_dev_get_rcu(dev);
3360 * This is the case where the netxen nic is being
3361 * enslaved and is dev_open()ed in bond_enslave()
3362 * Now we should program the bond's (and its vlans')
3363 * addresses in the netxen NIC.
3365 if (master && netif_is_bond_master(master) &&
3366 !netif_is_bond_slave(dev)) {
3367 netxen_config_indev_addr(adapter, master, event);
3368 for_each_netdev_rcu(&init_net, slave)
3369 if (slave->priv_flags & IFF_802_1Q_VLAN &&
3370 vlan_dev_real_dev(slave) == master)
3371 netxen_config_indev_addr(adapter, slave, event);
3375 * This is the case where the netxen nic is being
3376 * released and is dev_close()ed in bond_release()
3377 * just before IFF_BONDING is stripped.
3379 if (!master && dev->priv_flags & IFF_BONDING)
3380 netxen_free_ip_list(adapter, true);
3383 static int netxen_netdev_event(struct notifier_block *this,
3384 unsigned long event, void *ptr)
3386 struct netxen_adapter *adapter;
3387 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3388 struct net_device *orig_dev = dev;
3389 struct net_device *slave;
3395 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3396 dev = vlan_dev_real_dev(dev);
3399 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3400 /* If this is a bonding device, look for netxen-based slaves*/
3401 if (netif_is_bond_master(dev)) {
3403 for_each_netdev_in_bond_rcu(dev, slave) {
3404 if (!netxen_config_checkdev(slave))
3406 adapter = netdev_priv(slave);
3407 netxen_config_indev_addr(adapter,
3412 if (!netxen_config_checkdev(dev))
3414 adapter = netdev_priv(dev);
3415 /* Act only if the actual netxen is the target */
3416 if (orig_dev == dev)
3417 netxen_config_master(dev, event);
3418 netxen_config_indev_addr(adapter, orig_dev, event);
3426 netxen_inetaddr_event(struct notifier_block *this,
3427 unsigned long event, void *ptr)
3429 struct netxen_adapter *adapter;
3430 struct net_device *dev, *slave;
3431 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3432 unsigned long ip_event;
3434 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3435 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3440 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3441 dev = vlan_dev_real_dev(dev);
3444 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3445 /* If this is a bonding device, look for netxen-based slaves*/
3446 if (netif_is_bond_master(dev)) {
3448 for_each_netdev_in_bond_rcu(dev, slave) {
3449 if (!netxen_config_checkdev(slave))
3451 adapter = netdev_priv(slave);
3452 netxen_list_config_ip(adapter, ifa, ip_event);
3456 if (!netxen_config_checkdev(dev))
3458 adapter = netdev_priv(dev);
3459 netxen_list_config_ip(adapter, ifa, ip_event);
3466 static struct notifier_block netxen_netdev_cb = {
3467 .notifier_call = netxen_netdev_event,
3470 static struct notifier_block netxen_inetaddr_cb = {
3471 .notifier_call = netxen_inetaddr_event,
3475 netxen_restore_indev_addr(struct net_device *dev, unsigned long event)
3478 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3482 static const struct pci_error_handlers netxen_err_handler = {
3483 .error_detected = netxen_io_error_detected,
3484 .slot_reset = netxen_io_slot_reset,
3485 .resume = netxen_io_resume,
3488 static struct pci_driver netxen_driver = {
3489 .name = netxen_nic_driver_name,
3490 .id_table = netxen_pci_tbl,
3491 .probe = netxen_nic_probe,
3492 .remove = netxen_nic_remove,
3494 .suspend = netxen_nic_suspend,
3495 .resume = netxen_nic_resume,
3497 .shutdown = netxen_nic_shutdown,
3498 .err_handler = &netxen_err_handler
3501 static int __init netxen_init_module(void)
3503 printk(KERN_INFO "%s\n", netxen_nic_driver_string);
3506 register_netdevice_notifier(&netxen_netdev_cb);
3507 register_inetaddr_notifier(&netxen_inetaddr_cb);
3509 return pci_register_driver(&netxen_driver);
3512 module_init(netxen_init_module);
3514 static void __exit netxen_exit_module(void)
3516 pci_unregister_driver(&netxen_driver);
3519 unregister_inetaddr_notifier(&netxen_inetaddr_cb);
3520 unregister_netdevice_notifier(&netxen_netdev_cb);
3524 module_exit(netxen_exit_module);