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 if (netxen_rom_fast_read(adapter, offset, &val) == -1) {
851 dev_err(&pdev->dev, "error reading board info\n");
852 adapter->driver_mismatch = 1;
855 ptr32[i] = cpu_to_le32(val);
856 offset += sizeof(u32);
859 fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
860 fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
861 fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
862 prev_fw_version = adapter->fw_version;
863 adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
865 /* Get FW Mini Coredump template and store it */
866 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
867 if (adapter->mdump.md_template == NULL ||
868 adapter->fw_version > prev_fw_version) {
869 kfree(adapter->mdump.md_template);
870 adapter->mdump.md_template = NULL;
871 err = netxen_setup_minidump(adapter);
873 dev_err(&adapter->pdev->dev,
874 "Failed to setup minidump rcode = %d\n", err);
878 if (adapter->portnum == 0) {
879 if (netxen_nic_get_brd_name_by_type(adapter->ahw.board_type,
881 strcpy(serial_num, "Unknown");
883 pr_info("%s: %s Board S/N %s Chip rev 0x%x\n",
884 module_name(THIS_MODULE),
885 brd_name, serial_num, adapter->ahw.revision_id);
888 if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) {
889 adapter->driver_mismatch = 1;
890 dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n",
891 fw_major, fw_minor, fw_build);
895 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
896 i = NXRD32(adapter, NETXEN_SRE_MISC);
897 adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0;
900 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d [%s]\n",
901 NETXEN_NIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build,
902 adapter->ahw.cut_through ? "cut-through" : "legacy");
904 if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
905 adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
907 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
908 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
909 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
910 } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
911 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
912 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
915 adapter->msix_supported = 0;
916 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
917 adapter->msix_supported = !!use_msi_x;
918 adapter->rss_supported = !!use_msi_x;
921 netxen_rom_fast_read(adapter,
922 NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
923 flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
925 if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) {
926 switch (adapter->ahw.board_type) {
927 case NETXEN_BRDTYPE_P2_SB31_10G:
928 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
929 adapter->msix_supported = !!use_msi_x;
930 adapter->rss_supported = !!use_msi_x;
938 adapter->num_txd = MAX_CMD_DESCRIPTORS;
940 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
941 adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
942 adapter->max_rds_rings = 3;
944 adapter->num_lro_rxd = 0;
945 adapter->max_rds_rings = 2;
950 netxen_start_firmware(struct netxen_adapter *adapter)
952 int val, err, first_boot;
953 struct pci_dev *pdev = adapter->pdev;
955 /* required for NX2031 dummy dma */
956 err = nx_set_dma_mask(adapter);
960 err = netxen_can_start_firmware(adapter);
968 first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
970 err = netxen_check_hw_init(adapter, first_boot);
972 dev_err(&pdev->dev, "error in init HW init sequence\n");
976 netxen_request_firmware(adapter);
978 err = netxen_need_fw_reset(adapter);
982 goto pcie_strap_init;
984 if (first_boot != 0x55555555) {
985 NXWR32(adapter, CRB_CMDPEG_STATE, 0);
986 netxen_pinit_from_rom(adapter);
990 NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555);
991 NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0);
992 NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0);
994 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
995 netxen_set_port_mode(adapter);
997 err = netxen_load_firmware(adapter);
1001 netxen_release_firmware(adapter);
1003 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1005 /* Initialize multicast addr pool owners */
1007 if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
1009 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
1013 err = netxen_init_dummy_dma(adapter);
1018 * Tell the hardware our version number.
1020 val = (_NETXEN_NIC_LINUX_MAJOR << 16)
1021 | ((_NETXEN_NIC_LINUX_MINOR << 8))
1022 | (_NETXEN_NIC_LINUX_SUBVERSION);
1023 NXWR32(adapter, CRB_DRIVER_VERSION, val);
1026 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1027 netxen_pcie_strap_init(adapter);
1030 /* Handshake with the card before we register the devices. */
1031 err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
1033 netxen_free_dummy_dma(adapter);
1037 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
1039 nx_update_dma_mask(adapter);
1041 netxen_check_options(adapter);
1043 adapter->need_fw_reset = 0;
1045 /* fall through and release firmware */
1048 netxen_release_firmware(adapter);
1053 netxen_nic_request_irq(struct netxen_adapter *adapter)
1055 irq_handler_t handler;
1056 struct nx_host_sds_ring *sds_ring;
1059 unsigned long flags = 0;
1060 struct net_device *netdev = adapter->netdev;
1061 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1063 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
1064 handler = netxen_msix_intr;
1065 else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
1066 handler = netxen_msi_intr;
1068 flags |= IRQF_SHARED;
1069 handler = netxen_intr;
1071 adapter->irq = netdev->irq;
1073 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1074 sds_ring = &recv_ctx->sds_rings[ring];
1075 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1076 err = request_irq(sds_ring->irq, handler,
1077 flags, sds_ring->name, sds_ring);
1086 netxen_nic_free_irq(struct netxen_adapter *adapter)
1089 struct nx_host_sds_ring *sds_ring;
1091 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1093 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1094 sds_ring = &recv_ctx->sds_rings[ring];
1095 free_irq(sds_ring->irq, sds_ring);
1100 netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter)
1102 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
1103 adapter->coal.normal.data.rx_time_us =
1104 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
1105 adapter->coal.normal.data.rx_packets =
1106 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
1107 adapter->coal.normal.data.tx_time_us =
1108 NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US;
1109 adapter->coal.normal.data.tx_packets =
1110 NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
1113 /* with rtnl_lock */
1115 __netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1119 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1122 err = adapter->init_port(adapter, adapter->physical_port);
1124 printk(KERN_ERR "%s: Failed to initialize port %d\n",
1125 netxen_nic_driver_name, adapter->portnum);
1128 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
1129 adapter->macaddr_set(adapter, adapter->mac_addr);
1131 adapter->set_multi(netdev);
1132 adapter->set_mtu(adapter, netdev->mtu);
1134 adapter->ahw.linkup = 0;
1136 if (adapter->max_sds_rings > 1)
1137 netxen_config_rss(adapter, 1);
1139 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1140 netxen_config_intr_coalesce(adapter);
1142 if (netdev->features & NETIF_F_LRO)
1143 netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED);
1145 netxen_napi_enable(adapter);
1147 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1148 netxen_linkevent_request(adapter, 1);
1150 netxen_nic_set_link_parameters(adapter);
1152 set_bit(__NX_DEV_UP, &adapter->state);
1156 /* Usage: During resume and firmware recovery module.*/
1159 netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1164 if (netif_running(netdev))
1165 err = __netxen_nic_up(adapter, netdev);
1171 /* with rtnl_lock */
1173 __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1175 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1178 if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state))
1182 netif_carrier_off(netdev);
1183 netif_tx_disable(netdev);
1185 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1186 netxen_linkevent_request(adapter, 0);
1188 if (adapter->stop_port)
1189 adapter->stop_port(adapter);
1191 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1192 netxen_p3_free_mac_list(adapter);
1194 adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
1196 netxen_napi_disable(adapter);
1198 netxen_release_tx_buffers(adapter);
1201 /* Usage: During suspend and firmware recovery module */
1204 netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1207 if (netif_running(netdev))
1208 __netxen_nic_down(adapter, netdev);
1214 netxen_nic_attach(struct netxen_adapter *adapter)
1216 struct net_device *netdev = adapter->netdev;
1217 struct pci_dev *pdev = adapter->pdev;
1219 struct nx_host_rds_ring *rds_ring;
1220 struct nx_host_tx_ring *tx_ring;
1223 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
1226 err = netxen_init_firmware(adapter);
1230 adapter->flags &= ~NETXEN_FW_MSS_CAP;
1231 if (adapter->capabilities & NX_FW_CAPABILITY_MORE_CAPS) {
1232 capab2 = NXRD32(adapter, CRB_FW_CAPABILITIES_2);
1233 if (capab2 & NX_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1234 adapter->flags |= NETXEN_FW_MSS_CAP;
1237 err = netxen_napi_add(adapter, netdev);
1241 err = netxen_alloc_sw_resources(adapter);
1243 printk(KERN_ERR "%s: Error in setting sw resources\n",
1248 err = netxen_alloc_hw_resources(adapter);
1250 printk(KERN_ERR "%s: Error in setting hw resources\n",
1252 goto err_out_free_sw;
1255 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1256 tx_ring = adapter->tx_ring;
1257 tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
1258 crb_cmd_producer[adapter->portnum]);
1259 tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter,
1260 crb_cmd_consumer[adapter->portnum]);
1262 tx_ring->producer = 0;
1263 tx_ring->sw_consumer = 0;
1265 netxen_nic_update_cmd_producer(adapter, tx_ring);
1266 netxen_nic_update_cmd_consumer(adapter, tx_ring);
1269 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1270 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1271 netxen_post_rx_buffers(adapter, ring, rds_ring);
1274 err = netxen_nic_request_irq(adapter);
1276 dev_err(&pdev->dev, "%s: failed to setup interrupt\n",
1278 goto err_out_free_rxbuf;
1281 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1282 netxen_nic_init_coalesce_defaults(adapter);
1284 netxen_create_sysfs_entries(adapter);
1286 adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
1290 netxen_release_rx_buffers(adapter);
1291 netxen_free_hw_resources(adapter);
1293 netxen_free_sw_resources(adapter);
1298 netxen_nic_detach(struct netxen_adapter *adapter)
1300 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1303 netxen_remove_sysfs_entries(adapter);
1305 netxen_free_hw_resources(adapter);
1306 netxen_release_rx_buffers(adapter);
1307 netxen_nic_free_irq(adapter);
1308 netxen_napi_del(adapter);
1309 netxen_free_sw_resources(adapter);
1315 netxen_nic_reset_context(struct netxen_adapter *adapter)
1318 struct net_device *netdev = adapter->netdev;
1320 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
1323 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
1325 netif_device_detach(netdev);
1327 if (netif_running(netdev))
1328 __netxen_nic_down(adapter, netdev);
1330 netxen_nic_detach(adapter);
1332 if (netif_running(netdev)) {
1333 err = netxen_nic_attach(adapter);
1335 err = __netxen_nic_up(adapter, netdev);
1341 netif_device_attach(netdev);
1345 clear_bit(__NX_RESETTING, &adapter->state);
1350 netxen_setup_netdev(struct netxen_adapter *adapter,
1351 struct net_device *netdev)
1354 struct pci_dev *pdev = adapter->pdev;
1356 adapter->mc_enabled = 0;
1357 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1358 adapter->max_mc_count = 38;
1360 adapter->max_mc_count = 16;
1362 netdev->netdev_ops = &netxen_netdev_ops;
1363 netdev->watchdog_timeo = 5*HZ;
1365 netxen_nic_change_mtu(netdev, netdev->mtu);
1367 netdev->ethtool_ops = &netxen_nic_ethtool_ops;
1369 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
1372 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1373 netdev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
1375 netdev->vlan_features |= netdev->hw_features;
1377 if (adapter->pci_using_dac) {
1378 netdev->features |= NETIF_F_HIGHDMA;
1379 netdev->vlan_features |= NETIF_F_HIGHDMA;
1382 if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX)
1383 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX;
1385 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
1386 netdev->hw_features |= NETIF_F_LRO;
1388 netdev->features |= netdev->hw_features;
1390 netdev->irq = adapter->msix_entries[0].vector;
1392 INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
1394 if (netxen_read_mac_addr(adapter))
1395 dev_warn(&pdev->dev, "failed to read mac addr\n");
1397 netif_carrier_off(netdev);
1399 err = register_netdev(netdev);
1401 dev_err(&pdev->dev, "failed to register net device\n");
1408 #define NETXEN_ULA_ADAPTER_KEY (0xdaddad01)
1409 #define NETXEN_NON_ULA_ADAPTER_KEY (0xdaddad00)
1411 static void netxen_read_ula_info(struct netxen_adapter *adapter)
1415 /* Print ULA info only once for an adapter */
1416 if (adapter->portnum != 0)
1419 temp = NXRD32(adapter, NETXEN_ULA_KEY);
1421 case NETXEN_ULA_ADAPTER_KEY:
1422 dev_info(&adapter->pdev->dev, "ULA adapter");
1424 case NETXEN_NON_ULA_ADAPTER_KEY:
1425 dev_info(&adapter->pdev->dev, "non ULA adapter");
1434 #ifdef CONFIG_PCIEAER
1435 static void netxen_mask_aer_correctable(struct netxen_adapter *adapter)
1437 struct pci_dev *pdev = adapter->pdev;
1438 struct pci_dev *root = pdev->bus->self;
1445 if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM &&
1446 adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP)
1449 if (pci_pcie_type(root) != PCI_EXP_TYPE_ROOT_PORT)
1452 aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR);
1456 pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff);
1461 netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1463 struct net_device *netdev = NULL;
1464 struct netxen_adapter *adapter = NULL;
1466 int pci_func_id = PCI_FUNC(pdev->devfn);
1467 uint8_t revision_id;
1470 if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
1471 pr_warn("%s: chip revisions between 0x%x-0x%x will not be enabled\n",
1472 module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
1476 if ((err = pci_enable_device(pdev)))
1479 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1481 goto err_out_disable_pdev;
1484 if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
1485 goto err_out_disable_pdev;
1487 if (NX_IS_REVISION_P3(pdev->revision))
1488 pci_enable_pcie_error_reporting(pdev);
1490 pci_set_master(pdev);
1492 netdev = alloc_etherdev(sizeof(struct netxen_adapter));
1495 goto err_out_free_res;
1498 SET_NETDEV_DEV(netdev, &pdev->dev);
1500 adapter = netdev_priv(netdev);
1501 adapter->netdev = netdev;
1502 adapter->pdev = pdev;
1503 adapter->ahw.pci_func = pci_func_id;
1505 revision_id = pdev->revision;
1506 adapter->ahw.revision_id = revision_id;
1508 rwlock_init(&adapter->ahw.crb_lock);
1509 spin_lock_init(&adapter->ahw.mem_lock);
1511 spin_lock_init(&adapter->tx_clean_lock);
1512 INIT_LIST_HEAD(&adapter->mac_list);
1513 INIT_LIST_HEAD(&adapter->ip_list);
1515 err = netxen_setup_pci_map(adapter);
1517 goto err_out_free_netdev;
1519 /* This will be reset for mezz cards */
1520 adapter->portnum = pci_func_id;
1522 err = netxen_nic_get_board_info(adapter);
1524 dev_err(&pdev->dev, "Error getting board config info.\n");
1525 goto err_out_iounmap;
1528 #ifdef CONFIG_PCIEAER
1529 netxen_mask_aer_correctable(adapter);
1532 /* Mezz cards have PCI function 0,2,3 enabled */
1533 switch (adapter->ahw.board_type) {
1534 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1535 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1536 if (pci_func_id >= 2)
1537 adapter->portnum = pci_func_id - 2;
1543 err = netxen_check_flash_fw_compatibility(adapter);
1545 goto err_out_iounmap;
1547 if (adapter->portnum == 0) {
1548 val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
1549 if (val != 0xffffffff && val != 0) {
1550 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, 0);
1551 adapter->need_fw_reset = 1;
1555 err = netxen_start_firmware(adapter);
1557 goto err_out_decr_ref;
1560 * See if the firmware gave us a virtual-physical port mapping.
1562 adapter->physical_port = adapter->portnum;
1563 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1564 i = NXRD32(adapter, CRB_V2P(adapter->portnum));
1565 if (i != 0x55555555)
1566 adapter->physical_port = i;
1569 netxen_nic_clear_stats(adapter);
1571 err = netxen_setup_intr(adapter);
1574 dev_err(&adapter->pdev->dev,
1575 "Failed to setup interrupts, error = %d\n", err);
1576 goto err_out_disable_msi;
1579 netxen_read_ula_info(adapter);
1581 err = netxen_setup_netdev(adapter, netdev);
1583 goto err_out_disable_msi;
1585 pci_set_drvdata(pdev, adapter);
1587 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1589 switch (adapter->ahw.port_type) {
1590 case NETXEN_NIC_GBE:
1591 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1592 adapter->netdev->name);
1594 case NETXEN_NIC_XGBE:
1595 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1596 adapter->netdev->name);
1600 netxen_create_diag_entries(adapter);
1604 err_out_disable_msi:
1605 netxen_teardown_intr(adapter);
1607 netxen_free_dummy_dma(adapter);
1610 nx_decr_dev_ref_cnt(adapter);
1613 netxen_cleanup_pci_map(adapter);
1615 err_out_free_netdev:
1616 free_netdev(netdev);
1619 if (NX_IS_REVISION_P3(pdev->revision))
1620 pci_disable_pcie_error_reporting(pdev);
1621 pci_release_regions(pdev);
1623 err_out_disable_pdev:
1624 pci_disable_device(pdev);
1629 void netxen_cleanup_minidump(struct netxen_adapter *adapter)
1631 kfree(adapter->mdump.md_template);
1632 adapter->mdump.md_template = NULL;
1634 if (adapter->mdump.md_capture_buff) {
1635 vfree(adapter->mdump.md_capture_buff);
1636 adapter->mdump.md_capture_buff = NULL;
1640 static void netxen_nic_remove(struct pci_dev *pdev)
1642 struct netxen_adapter *adapter;
1643 struct net_device *netdev;
1645 adapter = pci_get_drvdata(pdev);
1646 if (adapter == NULL)
1649 netdev = adapter->netdev;
1651 netxen_cancel_fw_work(adapter);
1653 unregister_netdev(netdev);
1655 cancel_work_sync(&adapter->tx_timeout_task);
1657 netxen_free_ip_list(adapter, false);
1658 netxen_nic_detach(adapter);
1660 nx_decr_dev_ref_cnt(adapter);
1662 if (adapter->portnum == 0)
1663 netxen_free_dummy_dma(adapter);
1665 clear_bit(__NX_RESETTING, &adapter->state);
1667 netxen_teardown_intr(adapter);
1668 netxen_set_interrupt_mode(adapter, 0);
1669 netxen_remove_diag_entries(adapter);
1671 netxen_cleanup_pci_map(adapter);
1673 netxen_release_firmware(adapter);
1675 if (NX_IS_REVISION_P3(pdev->revision)) {
1676 netxen_cleanup_minidump(adapter);
1677 pci_disable_pcie_error_reporting(pdev);
1680 pci_release_regions(pdev);
1681 pci_disable_device(pdev);
1683 free_netdev(netdev);
1686 static void netxen_nic_detach_func(struct netxen_adapter *adapter)
1688 struct net_device *netdev = adapter->netdev;
1690 netif_device_detach(netdev);
1692 netxen_cancel_fw_work(adapter);
1694 if (netif_running(netdev))
1695 netxen_nic_down(adapter, netdev);
1697 cancel_work_sync(&adapter->tx_timeout_task);
1699 netxen_nic_detach(adapter);
1701 if (adapter->portnum == 0)
1702 netxen_free_dummy_dma(adapter);
1704 nx_decr_dev_ref_cnt(adapter);
1706 clear_bit(__NX_RESETTING, &adapter->state);
1709 static int netxen_nic_attach_func(struct pci_dev *pdev)
1711 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1712 struct net_device *netdev = adapter->netdev;
1715 err = pci_enable_device(pdev);
1719 pci_set_power_state(pdev, PCI_D0);
1720 pci_set_master(pdev);
1721 pci_restore_state(pdev);
1723 adapter->ahw.crb_win = -1;
1724 adapter->ahw.ocm_win = -1;
1726 err = netxen_start_firmware(adapter);
1728 dev_err(&pdev->dev, "failed to start firmware\n");
1732 if (netif_running(netdev)) {
1733 err = netxen_nic_attach(adapter);
1737 err = netxen_nic_up(adapter, netdev);
1739 goto err_out_detach;
1741 netxen_restore_indev_addr(netdev, NETDEV_UP);
1744 netif_device_attach(netdev);
1745 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1749 netxen_nic_detach(adapter);
1751 nx_decr_dev_ref_cnt(adapter);
1755 static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev,
1756 pci_channel_state_t state)
1758 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1760 if (state == pci_channel_io_perm_failure)
1761 return PCI_ERS_RESULT_DISCONNECT;
1763 if (nx_dev_request_aer(adapter))
1764 return PCI_ERS_RESULT_RECOVERED;
1766 netxen_nic_detach_func(adapter);
1768 pci_disable_device(pdev);
1770 return PCI_ERS_RESULT_NEED_RESET;
1773 static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev)
1777 err = netxen_nic_attach_func(pdev);
1779 return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
1782 static void netxen_io_resume(struct pci_dev *pdev)
1784 pci_cleanup_aer_uncorrect_error_status(pdev);
1787 static void netxen_nic_shutdown(struct pci_dev *pdev)
1789 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1791 netxen_nic_detach_func(adapter);
1793 if (pci_save_state(pdev))
1796 if (netxen_nic_wol_supported(adapter)) {
1797 pci_enable_wake(pdev, PCI_D3cold, 1);
1798 pci_enable_wake(pdev, PCI_D3hot, 1);
1801 pci_disable_device(pdev);
1806 netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
1808 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1811 netxen_nic_detach_func(adapter);
1813 retval = pci_save_state(pdev);
1817 if (netxen_nic_wol_supported(adapter)) {
1818 pci_enable_wake(pdev, PCI_D3cold, 1);
1819 pci_enable_wake(pdev, PCI_D3hot, 1);
1822 pci_disable_device(pdev);
1823 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1829 netxen_nic_resume(struct pci_dev *pdev)
1831 return netxen_nic_attach_func(pdev);
1835 static int netxen_nic_open(struct net_device *netdev)
1837 struct netxen_adapter *adapter = netdev_priv(netdev);
1840 if (adapter->driver_mismatch)
1843 err = netxen_nic_attach(adapter);
1847 err = __netxen_nic_up(adapter, netdev);
1851 netif_start_queue(netdev);
1856 netxen_nic_detach(adapter);
1861 * netxen_nic_close - Disables a network interface entry point
1863 static int netxen_nic_close(struct net_device *netdev)
1865 struct netxen_adapter *adapter = netdev_priv(netdev);
1867 __netxen_nic_down(adapter, netdev);
1872 netxen_tso_check(struct net_device *netdev,
1873 struct nx_host_tx_ring *tx_ring,
1874 struct cmd_desc_type0 *first_desc,
1875 struct sk_buff *skb)
1877 u8 opcode = TX_ETHER_PKT;
1878 __be16 protocol = skb->protocol;
1879 u16 flags = 0, vid = 0;
1881 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1882 struct cmd_desc_type0 *hwdesc;
1883 struct vlan_ethhdr *vh;
1885 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
1887 vh = (struct vlan_ethhdr *)skb->data;
1888 protocol = vh->h_vlan_encapsulated_proto;
1889 flags = FLAGS_VLAN_TAGGED;
1891 } else if (skb_vlan_tag_present(skb)) {
1892 flags = FLAGS_VLAN_OOB;
1893 vid = skb_vlan_tag_get(skb);
1894 netxen_set_tx_vlan_tci(first_desc, vid);
1898 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1899 skb_shinfo(skb)->gso_size > 0) {
1901 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1903 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1904 first_desc->total_hdr_length = hdr_len;
1906 first_desc->total_hdr_length += VLAN_HLEN;
1907 first_desc->tcp_hdr_offset = VLAN_HLEN;
1908 first_desc->ip_hdr_offset = VLAN_HLEN;
1909 /* Only in case of TSO on vlan device */
1910 flags |= FLAGS_VLAN_TAGGED;
1913 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1914 TX_TCP_LSO6 : TX_TCP_LSO;
1917 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1920 if (protocol == cpu_to_be16(ETH_P_IP)) {
1921 l4proto = ip_hdr(skb)->protocol;
1923 if (l4proto == IPPROTO_TCP)
1924 opcode = TX_TCP_PKT;
1925 else if(l4proto == IPPROTO_UDP)
1926 opcode = TX_UDP_PKT;
1927 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1928 l4proto = ipv6_hdr(skb)->nexthdr;
1930 if (l4proto == IPPROTO_TCP)
1931 opcode = TX_TCPV6_PKT;
1932 else if(l4proto == IPPROTO_UDP)
1933 opcode = TX_UDPV6_PKT;
1937 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1938 first_desc->ip_hdr_offset += skb_network_offset(skb);
1939 netxen_set_tx_flags_opcode(first_desc, flags, opcode);
1944 /* For LSO, we need to copy the MAC/IP/TCP headers into
1945 * the descriptor ring
1947 producer = tx_ring->producer;
1952 /* Create a TSO vlan header template for firmware */
1954 hwdesc = &tx_ring->desc_head[producer];
1955 tx_ring->cmd_buf_arr[producer].skb = NULL;
1957 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1958 hdr_len + VLAN_HLEN);
1960 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1961 skb_copy_from_linear_data(skb, vh, 12);
1962 vh->h_vlan_proto = htons(ETH_P_8021Q);
1963 vh->h_vlan_TCI = htons(vid);
1964 skb_copy_from_linear_data_offset(skb, 12,
1965 (char *)vh + 16, copy_len - 16);
1967 copied = copy_len - VLAN_HLEN;
1970 producer = get_next_index(producer, tx_ring->num_desc);
1973 while (copied < hdr_len) {
1975 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1976 (hdr_len - copied));
1978 hwdesc = &tx_ring->desc_head[producer];
1979 tx_ring->cmd_buf_arr[producer].skb = NULL;
1981 skb_copy_from_linear_data_offset(skb, copied,
1982 (char *)hwdesc + offset, copy_len);
1987 producer = get_next_index(producer, tx_ring->num_desc);
1990 tx_ring->producer = producer;
1995 netxen_map_tx_skb(struct pci_dev *pdev,
1996 struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
1998 struct netxen_skb_frag *nf;
1999 struct skb_frag_struct *frag;
2003 nr_frags = skb_shinfo(skb)->nr_frags;
2004 nf = &pbuf->frag_array[0];
2006 map = pci_map_single(pdev, skb->data,
2007 skb_headlen(skb), PCI_DMA_TODEVICE);
2008 if (pci_dma_mapping_error(pdev, map))
2012 nf->length = skb_headlen(skb);
2014 for (i = 0; i < nr_frags; i++) {
2015 frag = &skb_shinfo(skb)->frags[i];
2016 nf = &pbuf->frag_array[i+1];
2018 map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
2020 if (dma_mapping_error(&pdev->dev, map))
2024 nf->length = skb_frag_size(frag);
2031 nf = &pbuf->frag_array[i+1];
2032 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2036 nf = &pbuf->frag_array[0];
2037 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2045 netxen_clear_cmddesc(u64 *desc)
2052 netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2054 struct netxen_adapter *adapter = netdev_priv(netdev);
2055 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
2056 struct netxen_cmd_buffer *pbuf;
2057 struct netxen_skb_frag *buffrag;
2058 struct cmd_desc_type0 *hwdesc, *first_desc;
2059 struct pci_dev *pdev;
2062 struct skb_frag_struct *frag;
2065 int frag_count, no_of_desc;
2066 u32 num_txd = tx_ring->num_desc;
2068 frag_count = skb_shinfo(skb)->nr_frags + 1;
2070 /* 14 frags supported for normal packet and
2071 * 32 frags supported for TSO packet
2073 if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) {
2075 for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) {
2076 frag = &skb_shinfo(skb)->frags[i];
2077 delta += skb_frag_size(frag);
2080 if (!__pskb_pull_tail(skb, delta))
2083 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2085 /* 4 fragments per cmd des */
2086 no_of_desc = (frag_count + 3) >> 2;
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 adapter->netdev->trans_start = jiffies;
2290 adapter->need_fw_reset = 1;
2291 clear_bit(__NX_RESETTING, &adapter->state);
2294 static struct rtnl_link_stats64 *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;
2309 static irqreturn_t netxen_intr(int irq, void *data)
2311 struct nx_host_sds_ring *sds_ring = data;
2312 struct netxen_adapter *adapter = sds_ring->adapter;
2315 status = readl(adapter->isr_int_vec);
2317 if (!(status & adapter->int_vec_bit))
2320 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2321 /* check interrupt state machine, to be sure */
2322 status = readl(adapter->crb_int_state_reg);
2323 if (!ISR_LEGACY_INT_TRIGGERED(status))
2327 unsigned long our_int = 0;
2329 our_int = readl(adapter->crb_int_state_reg);
2331 /* not our interrupt */
2332 if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
2335 /* claim interrupt */
2336 writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
2338 /* clear interrupt */
2339 netxen_nic_disable_int(sds_ring);
2342 writel(0xffffffff, adapter->tgt_status_reg);
2343 /* read twice to ensure write is flushed */
2344 readl(adapter->isr_int_vec);
2345 readl(adapter->isr_int_vec);
2347 napi_schedule(&sds_ring->napi);
2352 static irqreturn_t netxen_msi_intr(int irq, void *data)
2354 struct nx_host_sds_ring *sds_ring = data;
2355 struct netxen_adapter *adapter = sds_ring->adapter;
2357 /* clear interrupt */
2358 writel(0xffffffff, adapter->tgt_status_reg);
2360 napi_schedule(&sds_ring->napi);
2364 static irqreturn_t netxen_msix_intr(int irq, void *data)
2366 struct nx_host_sds_ring *sds_ring = data;
2368 napi_schedule(&sds_ring->napi);
2372 static int netxen_nic_poll(struct napi_struct *napi, int budget)
2374 struct nx_host_sds_ring *sds_ring =
2375 container_of(napi, struct nx_host_sds_ring, napi);
2377 struct netxen_adapter *adapter = sds_ring->adapter;
2382 tx_complete = netxen_process_cmd_ring(adapter);
2384 work_done = netxen_process_rcv_ring(sds_ring, budget);
2389 if (work_done < budget) {
2390 napi_complete(&sds_ring->napi);
2391 if (test_bit(__NX_DEV_UP, &adapter->state))
2392 netxen_nic_enable_int(sds_ring);
2398 #ifdef CONFIG_NET_POLL_CONTROLLER
2399 static void netxen_nic_poll_controller(struct net_device *netdev)
2402 struct nx_host_sds_ring *sds_ring;
2403 struct netxen_adapter *adapter = netdev_priv(netdev);
2404 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
2406 disable_irq(adapter->irq);
2407 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2408 sds_ring = &recv_ctx->sds_rings[ring];
2409 netxen_intr(adapter->irq, sds_ring);
2411 enable_irq(adapter->irq);
2416 nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
2419 if (netxen_api_lock(adapter))
2422 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2424 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2426 netxen_api_unlock(adapter);
2431 nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
2434 if (netxen_api_lock(adapter))
2437 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2438 WARN_ON(count == 0);
2440 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2441 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2443 if (count == 0 && state != NX_DEV_FAILED)
2444 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2446 netxen_api_unlock(adapter);
2451 nx_dev_request_aer(struct netxen_adapter *adapter)
2456 if (netxen_api_lock(adapter))
2459 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2461 if (state == NX_DEV_NEED_AER)
2463 else if (state == NX_DEV_READY) {
2464 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER);
2468 netxen_api_unlock(adapter);
2473 nx_dev_request_reset(struct netxen_adapter *adapter)
2478 if (netxen_api_lock(adapter))
2481 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2483 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED)
2485 else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
2486 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
2487 adapter->flags |= NETXEN_FW_RESET_OWNER;
2491 netxen_api_unlock(adapter);
2497 netxen_can_start_firmware(struct netxen_adapter *adapter)
2502 if (netxen_api_lock(adapter)) {
2503 nx_incr_dev_ref_cnt(adapter);
2507 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2509 if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
2514 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
2517 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2519 netxen_api_unlock(adapter);
2525 netxen_schedule_work(struct netxen_adapter *adapter,
2526 work_func_t func, int delay)
2528 INIT_DELAYED_WORK(&adapter->fw_work, func);
2529 schedule_delayed_work(&adapter->fw_work, delay);
2533 netxen_cancel_fw_work(struct netxen_adapter *adapter)
2535 while (test_and_set_bit(__NX_RESETTING, &adapter->state))
2538 cancel_delayed_work_sync(&adapter->fw_work);
2542 netxen_attach_work(struct work_struct *work)
2544 struct netxen_adapter *adapter = container_of(work,
2545 struct netxen_adapter, fw_work.work);
2546 struct net_device *netdev = adapter->netdev;
2549 if (netif_running(netdev)) {
2550 err = netxen_nic_attach(adapter);
2554 err = netxen_nic_up(adapter, netdev);
2556 netxen_nic_detach(adapter);
2560 netxen_restore_indev_addr(netdev, NETDEV_UP);
2563 netif_device_attach(netdev);
2566 adapter->fw_fail_cnt = 0;
2567 clear_bit(__NX_RESETTING, &adapter->state);
2568 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2572 netxen_fwinit_work(struct work_struct *work)
2574 struct netxen_adapter *adapter = container_of(work,
2575 struct netxen_adapter, fw_work.work);
2578 dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
2579 if (adapter->flags & NETXEN_FW_RESET_OWNER) {
2580 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2581 WARN_ON(count == 0);
2583 if (adapter->mdump.md_enabled) {
2585 netxen_dump_fw(adapter);
2588 adapter->flags &= ~NETXEN_FW_RESET_OWNER;
2589 if (netxen_api_lock(adapter)) {
2590 clear_bit(__NX_RESETTING, &adapter->state);
2591 NXWR32(adapter, NX_CRB_DEV_STATE,
2595 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2596 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2597 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2598 dev_state = NX_DEV_COLD;
2599 netxen_api_unlock(adapter);
2603 switch (dev_state) {
2606 if (!netxen_start_firmware(adapter)) {
2607 netxen_schedule_work(adapter, netxen_attach_work, 0);
2612 case NX_DEV_NEED_RESET:
2613 case NX_DEV_INITALIZING:
2614 netxen_schedule_work(adapter,
2615 netxen_fwinit_work, 2 * FW_POLL_DELAY);
2620 nx_incr_dev_ref_cnt(adapter);
2624 if (netxen_api_lock(adapter)) {
2625 clear_bit(__NX_RESETTING, &adapter->state);
2628 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED);
2629 netxen_api_unlock(adapter);
2630 dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n",
2631 adapter->netdev->name);
2633 clear_bit(__NX_RESETTING, &adapter->state);
2637 netxen_detach_work(struct work_struct *work)
2639 struct netxen_adapter *adapter = container_of(work,
2640 struct netxen_adapter, fw_work.work);
2641 struct net_device *netdev = adapter->netdev;
2642 int ref_cnt = 0, delay;
2645 netif_device_detach(netdev);
2647 netxen_nic_down(adapter, netdev);
2650 netxen_nic_detach(adapter);
2653 status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2655 if (status & NX_RCODE_FATAL_ERROR)
2658 if (adapter->temp == NX_TEMP_PANIC)
2661 if (!(adapter->flags & NETXEN_FW_RESET_OWNER))
2662 ref_cnt = nx_decr_dev_ref_cnt(adapter);
2664 if (ref_cnt == -EIO)
2667 delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
2669 adapter->fw_wait_cnt = 0;
2670 netxen_schedule_work(adapter, netxen_fwinit_work, delay);
2675 clear_bit(__NX_RESETTING, &adapter->state);
2679 netxen_check_health(struct netxen_adapter *adapter)
2681 u32 state, heartbit;
2683 struct net_device *netdev = adapter->netdev;
2685 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2686 if (state == NX_DEV_NEED_AER)
2689 if (netxen_nic_check_temp(adapter))
2692 if (adapter->need_fw_reset) {
2693 if (nx_dev_request_reset(adapter))
2698 /* NX_DEV_NEED_RESET, this state can be marked in two cases
2699 * 1. Tx timeout 2. Fw hang
2700 * Send request to destroy context in case of tx timeout only
2701 * and doesn't required in case of Fw hang
2703 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) {
2704 adapter->need_fw_reset = 1;
2705 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2709 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2712 heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
2713 if (heartbit != adapter->heartbit) {
2714 adapter->heartbit = heartbit;
2715 adapter->fw_fail_cnt = 0;
2716 if (adapter->need_fw_reset)
2721 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2724 if (nx_dev_request_reset(adapter))
2727 clear_bit(__NX_FW_ATTACHED, &adapter->state);
2729 dev_err(&netdev->dev, "firmware hang detected\n");
2730 peg_status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2731 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
2732 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2733 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2734 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2735 "PEG_NET_4_PC: 0x%x\n",
2737 NXRD32(adapter, NETXEN_PEG_HALT_STATUS2),
2738 NXRD32(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c),
2739 NXRD32(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c),
2740 NXRD32(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c),
2741 NXRD32(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c),
2742 NXRD32(adapter, NETXEN_CRB_PEG_NET_4 + 0x3c));
2743 if (NX_FWERROR_PEGSTAT1(peg_status) == 0x67)
2744 dev_err(&adapter->pdev->dev,
2745 "Firmware aborted with error code 0x00006700. "
2746 "Device is being reset.\n");
2748 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
2749 !test_and_set_bit(__NX_RESETTING, &adapter->state))
2750 netxen_schedule_work(adapter, netxen_detach_work, 0);
2755 netxen_fw_poll_work(struct work_struct *work)
2757 struct netxen_adapter *adapter = container_of(work,
2758 struct netxen_adapter, fw_work.work);
2760 if (test_bit(__NX_RESETTING, &adapter->state))
2763 if (test_bit(__NX_DEV_UP, &adapter->state) &&
2764 !(adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)) {
2765 if (!adapter->has_link_events) {
2767 netxen_nic_handle_phy_intr(adapter);
2769 if (adapter->link_changed)
2770 netxen_nic_set_link_parameters(adapter);
2774 if (netxen_check_health(adapter))
2778 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2782 netxen_store_bridged_mode(struct device *dev,
2783 struct device_attribute *attr, const char *buf, size_t len)
2785 struct net_device *net = to_net_dev(dev);
2786 struct netxen_adapter *adapter = netdev_priv(net);
2790 if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
2793 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2796 if (kstrtoul(buf, 2, &new))
2799 if (!netxen_config_bridged_mode(adapter, !!new))
2807 netxen_show_bridged_mode(struct device *dev,
2808 struct device_attribute *attr, char *buf)
2810 struct net_device *net = to_net_dev(dev);
2811 struct netxen_adapter *adapter;
2812 int bridged_mode = 0;
2814 adapter = netdev_priv(net);
2816 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2817 bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
2819 return sprintf(buf, "%d\n", bridged_mode);
2822 static struct device_attribute dev_attr_bridged_mode = {
2823 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
2824 .show = netxen_show_bridged_mode,
2825 .store = netxen_store_bridged_mode,
2829 netxen_store_diag_mode(struct device *dev,
2830 struct device_attribute *attr, const char *buf, size_t len)
2832 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2835 if (kstrtoul(buf, 2, &new))
2838 if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2839 adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
2845 netxen_show_diag_mode(struct device *dev,
2846 struct device_attribute *attr, char *buf)
2848 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2850 return sprintf(buf, "%d\n",
2851 !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
2854 static struct device_attribute dev_attr_diag_mode = {
2855 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
2856 .show = netxen_show_diag_mode,
2857 .store = netxen_store_diag_mode,
2861 netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
2862 loff_t offset, size_t size)
2864 size_t crb_size = 4;
2866 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2869 if (offset < NETXEN_PCI_CRBSPACE) {
2870 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2873 if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2874 NETXEN_PCI_CAMQM_2M_END))
2880 if ((size != crb_size) || (offset & (crb_size-1)))
2887 netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj,
2888 struct bin_attribute *attr,
2889 char *buf, loff_t offset, size_t size)
2891 struct device *dev = container_of(kobj, struct device, kobj);
2892 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2897 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2901 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2902 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2903 NETXEN_PCI_CAMQM_2M_END)) {
2904 netxen_pci_camqm_read_2M(adapter, offset, &qmdata);
2905 memcpy(buf, &qmdata, size);
2907 data = NXRD32(adapter, offset);
2908 memcpy(buf, &data, size);
2915 netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj,
2916 struct bin_attribute *attr,
2917 char *buf, loff_t offset, size_t size)
2919 struct device *dev = container_of(kobj, struct device, kobj);
2920 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2925 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2929 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2930 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2931 NETXEN_PCI_CAMQM_2M_END)) {
2932 memcpy(&qmdata, buf, size);
2933 netxen_pci_camqm_write_2M(adapter, offset, qmdata);
2935 memcpy(&data, buf, size);
2936 NXWR32(adapter, offset, data);
2943 netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
2944 loff_t offset, size_t size)
2946 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2949 if ((size != 8) || (offset & 0x7))
2956 netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj,
2957 struct bin_attribute *attr,
2958 char *buf, loff_t offset, size_t size)
2960 struct device *dev = container_of(kobj, struct device, kobj);
2961 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2965 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2969 if (adapter->pci_mem_read(adapter, offset, &data))
2972 memcpy(buf, &data, size);
2977 static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj,
2978 struct bin_attribute *attr, char *buf,
2979 loff_t offset, size_t size)
2981 struct device *dev = container_of(kobj, struct device, kobj);
2982 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2986 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2990 memcpy(&data, buf, size);
2992 if (adapter->pci_mem_write(adapter, offset, data))
2999 static struct bin_attribute bin_attr_crb = {
3000 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
3002 .read = netxen_sysfs_read_crb,
3003 .write = netxen_sysfs_write_crb,
3006 static struct bin_attribute bin_attr_mem = {
3007 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
3009 .read = netxen_sysfs_read_mem,
3010 .write = netxen_sysfs_write_mem,
3014 netxen_sysfs_read_dimm(struct file *filp, struct kobject *kobj,
3015 struct bin_attribute *attr,
3016 char *buf, loff_t offset, size_t size)
3018 struct device *dev = container_of(kobj, struct device, kobj);
3019 struct netxen_adapter *adapter = dev_get_drvdata(dev);
3020 struct net_device *netdev = adapter->netdev;
3021 struct netxen_dimm_cfg dimm;
3022 u8 dw, rows, cols, banks, ranks;
3025 if (size < attr->size) {
3026 netdev_err(netdev, "Invalid size\n");
3030 memset(&dimm, 0, sizeof(struct netxen_dimm_cfg));
3031 val = NXRD32(adapter, NETXEN_DIMM_CAPABILITY);
3033 /* Checks if DIMM info is valid. */
3034 if (val & NETXEN_DIMM_VALID_FLAG) {
3035 netdev_err(netdev, "Invalid DIMM flag\n");
3036 dimm.presence = 0xff;
3040 rows = NETXEN_DIMM_NUMROWS(val);
3041 cols = NETXEN_DIMM_NUMCOLS(val);
3042 ranks = NETXEN_DIMM_NUMRANKS(val);
3043 banks = NETXEN_DIMM_NUMBANKS(val);
3044 dw = NETXEN_DIMM_DATAWIDTH(val);
3046 dimm.presence = (val & NETXEN_DIMM_PRESENT);
3048 /* Checks if DIMM info is present. */
3049 if (!dimm.presence) {
3050 netdev_err(netdev, "DIMM not present\n");
3054 dimm.dimm_type = NETXEN_DIMM_TYPE(val);
3056 switch (dimm.dimm_type) {
3057 case NETXEN_DIMM_TYPE_RDIMM:
3058 case NETXEN_DIMM_TYPE_UDIMM:
3059 case NETXEN_DIMM_TYPE_SO_DIMM:
3060 case NETXEN_DIMM_TYPE_Micro_DIMM:
3061 case NETXEN_DIMM_TYPE_Mini_RDIMM:
3062 case NETXEN_DIMM_TYPE_Mini_UDIMM:
3065 netdev_err(netdev, "Invalid DIMM type %x\n", dimm.dimm_type);
3069 if (val & NETXEN_DIMM_MEMTYPE_DDR2_SDRAM)
3070 dimm.mem_type = NETXEN_DIMM_MEM_DDR2_SDRAM;
3072 dimm.mem_type = NETXEN_DIMM_MEMTYPE(val);
3074 if (val & NETXEN_DIMM_SIZE) {
3075 dimm.size = NETXEN_DIMM_STD_MEM_SIZE;
3080 netdev_err(netdev, "Invalid no of rows %x\n", rows);
3085 netdev_err(netdev, "Invalid no of columns %x\n", cols);
3090 netdev_err(netdev, "Invalid no of banks %x\n", banks);
3122 netdev_err(netdev, "Invalid data-width %x\n", dw);
3126 dimm.size = ((1 << rows) * (1 << cols) * dw * banks * ranks) / 8;
3127 /* Size returned in MB. */
3128 dimm.size = (dimm.size) / 0x100000;
3130 memcpy(buf, &dimm, sizeof(struct netxen_dimm_cfg));
3131 return sizeof(struct netxen_dimm_cfg);
3135 static struct bin_attribute bin_attr_dimm = {
3136 .attr = { .name = "dimm", .mode = (S_IRUGO | S_IWUSR) },
3137 .size = sizeof(struct netxen_dimm_cfg),
3138 .read = netxen_sysfs_read_dimm,
3143 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
3145 struct device *dev = &adapter->pdev->dev;
3147 if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
3148 /* bridged_mode control */
3149 if (device_create_file(dev, &dev_attr_bridged_mode)) {
3151 "failed to create bridged_mode sysfs entry\n");
3157 netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
3159 struct device *dev = &adapter->pdev->dev;
3161 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
3162 device_remove_file(dev, &dev_attr_bridged_mode);
3166 netxen_create_diag_entries(struct netxen_adapter *adapter)
3168 struct pci_dev *pdev = adapter->pdev;
3172 if (device_create_file(dev, &dev_attr_diag_mode))
3173 dev_info(dev, "failed to create diag_mode sysfs entry\n");
3174 if (device_create_bin_file(dev, &bin_attr_crb))
3175 dev_info(dev, "failed to create crb sysfs entry\n");
3176 if (device_create_bin_file(dev, &bin_attr_mem))
3177 dev_info(dev, "failed to create mem sysfs entry\n");
3178 if (device_create_bin_file(dev, &bin_attr_dimm))
3179 dev_info(dev, "failed to create dimm sysfs entry\n");
3184 netxen_remove_diag_entries(struct netxen_adapter *adapter)
3186 struct pci_dev *pdev = adapter->pdev;
3187 struct device *dev = &pdev->dev;
3189 device_remove_file(dev, &dev_attr_diag_mode);
3190 device_remove_bin_file(dev, &bin_attr_crb);
3191 device_remove_bin_file(dev, &bin_attr_mem);
3192 device_remove_bin_file(dev, &bin_attr_dimm);
3197 #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
3200 netxen_destip_supported(struct netxen_adapter *adapter)
3202 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
3205 if (adapter->ahw.cut_through)
3212 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3214 struct nx_ip_list *cur, *tmp_cur;
3216 list_for_each_entry_safe(cur, tmp_cur, &adapter->ip_list, list) {
3219 netxen_config_ipaddr(adapter, cur->ip_addr,
3221 list_del(&cur->list);
3225 netxen_config_ipaddr(adapter, cur->ip_addr, NX_IP_DOWN);
3226 list_del(&cur->list);
3233 netxen_list_config_ip(struct netxen_adapter *adapter,
3234 struct in_ifaddr *ifa, unsigned long event)
3236 struct net_device *dev;
3237 struct nx_ip_list *cur, *tmp_cur;
3238 struct list_head *head;
3241 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3248 list_for_each(head, &adapter->ip_list) {
3249 cur = list_entry(head, struct nx_ip_list, list);
3251 if (cur->ip_addr == ifa->ifa_address)
3255 cur = kzalloc(sizeof(struct nx_ip_list), GFP_ATOMIC);
3258 if (dev->priv_flags & IFF_802_1Q_VLAN)
3259 dev = vlan_dev_real_dev(dev);
3260 cur->master = !!netif_is_bond_master(dev);
3261 cur->ip_addr = ifa->ifa_address;
3262 list_add_tail(&cur->list, &adapter->ip_list);
3263 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
3267 list_for_each_entry_safe(cur, tmp_cur,
3268 &adapter->ip_list, list) {
3269 if (cur->ip_addr == ifa->ifa_address) {
3270 list_del(&cur->list);
3272 netxen_config_ipaddr(adapter, ifa->ifa_address,
3284 netxen_config_indev_addr(struct netxen_adapter *adapter,
3285 struct net_device *dev, unsigned long event)
3287 struct in_device *indev;
3289 if (!netxen_destip_supported(adapter))
3292 indev = in_dev_get(dev);
3299 netxen_list_config_ip(adapter, ifa, NX_IP_UP);
3302 netxen_list_config_ip(adapter, ifa, NX_IP_DOWN);
3307 } endfor_ifa(indev);
3313 netxen_restore_indev_addr(struct net_device *netdev, unsigned long event)
3316 struct netxen_adapter *adapter = netdev_priv(netdev);
3317 struct nx_ip_list *pos, *tmp_pos;
3318 unsigned long ip_event;
3320 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3321 netxen_config_indev_addr(adapter, netdev, event);
3323 list_for_each_entry_safe(pos, tmp_pos, &adapter->ip_list, list) {
3324 netxen_config_ipaddr(adapter, pos->ip_addr, ip_event);
3329 netxen_config_checkdev(struct net_device *dev)
3331 struct netxen_adapter *adapter;
3333 if (!is_netxen_netdev(dev))
3335 adapter = netdev_priv(dev);
3338 if (!netxen_destip_supported(adapter))
3340 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
3347 * netxen_config_master - configure addresses based on master
3348 * @dev: netxen device
3349 * @event: netdev event
3351 static void netxen_config_master(struct net_device *dev, unsigned long event)
3353 struct net_device *master, *slave;
3354 struct netxen_adapter *adapter = netdev_priv(dev);
3357 master = netdev_master_upper_dev_get_rcu(dev);
3359 * This is the case where the netxen nic is being
3360 * enslaved and is dev_open()ed in bond_enslave()
3361 * Now we should program the bond's (and its vlans')
3362 * addresses in the netxen NIC.
3364 if (master && netif_is_bond_master(master) &&
3365 !netif_is_bond_slave(dev)) {
3366 netxen_config_indev_addr(adapter, master, event);
3367 for_each_netdev_rcu(&init_net, slave)
3368 if (slave->priv_flags & IFF_802_1Q_VLAN &&
3369 vlan_dev_real_dev(slave) == master)
3370 netxen_config_indev_addr(adapter, slave, event);
3374 * This is the case where the netxen nic is being
3375 * released and is dev_close()ed in bond_release()
3376 * just before IFF_BONDING is stripped.
3378 if (!master && dev->priv_flags & IFF_BONDING)
3379 netxen_free_ip_list(adapter, true);
3382 static int netxen_netdev_event(struct notifier_block *this,
3383 unsigned long event, void *ptr)
3385 struct netxen_adapter *adapter;
3386 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3387 struct net_device *orig_dev = dev;
3388 struct net_device *slave;
3394 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3395 dev = vlan_dev_real_dev(dev);
3398 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3399 /* If this is a bonding device, look for netxen-based slaves*/
3400 if (netif_is_bond_master(dev)) {
3402 for_each_netdev_in_bond_rcu(dev, slave) {
3403 if (!netxen_config_checkdev(slave))
3405 adapter = netdev_priv(slave);
3406 netxen_config_indev_addr(adapter,
3411 if (!netxen_config_checkdev(dev))
3413 adapter = netdev_priv(dev);
3414 /* Act only if the actual netxen is the target */
3415 if (orig_dev == dev)
3416 netxen_config_master(dev, event);
3417 netxen_config_indev_addr(adapter, orig_dev, event);
3425 netxen_inetaddr_event(struct notifier_block *this,
3426 unsigned long event, void *ptr)
3428 struct netxen_adapter *adapter;
3429 struct net_device *dev, *slave;
3430 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3431 unsigned long ip_event;
3433 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3434 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3439 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3440 dev = vlan_dev_real_dev(dev);
3443 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3444 /* If this is a bonding device, look for netxen-based slaves*/
3445 if (netif_is_bond_master(dev)) {
3447 for_each_netdev_in_bond_rcu(dev, slave) {
3448 if (!netxen_config_checkdev(slave))
3450 adapter = netdev_priv(slave);
3451 netxen_list_config_ip(adapter, ifa, ip_event);
3455 if (!netxen_config_checkdev(dev))
3457 adapter = netdev_priv(dev);
3458 netxen_list_config_ip(adapter, ifa, ip_event);
3465 static struct notifier_block netxen_netdev_cb = {
3466 .notifier_call = netxen_netdev_event,
3469 static struct notifier_block netxen_inetaddr_cb = {
3470 .notifier_call = netxen_inetaddr_event,
3474 netxen_restore_indev_addr(struct net_device *dev, unsigned long event)
3477 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3481 static const struct pci_error_handlers netxen_err_handler = {
3482 .error_detected = netxen_io_error_detected,
3483 .slot_reset = netxen_io_slot_reset,
3484 .resume = netxen_io_resume,
3487 static struct pci_driver netxen_driver = {
3488 .name = netxen_nic_driver_name,
3489 .id_table = netxen_pci_tbl,
3490 .probe = netxen_nic_probe,
3491 .remove = netxen_nic_remove,
3493 .suspend = netxen_nic_suspend,
3494 .resume = netxen_nic_resume,
3496 .shutdown = netxen_nic_shutdown,
3497 .err_handler = &netxen_err_handler
3500 static int __init netxen_init_module(void)
3502 printk(KERN_INFO "%s\n", netxen_nic_driver_string);
3505 register_netdevice_notifier(&netxen_netdev_cb);
3506 register_inetaddr_notifier(&netxen_inetaddr_cb);
3508 return pci_register_driver(&netxen_driver);
3511 module_init(netxen_init_module);
3513 static void __exit netxen_exit_module(void)
3515 pci_unregister_driver(&netxen_driver);
3518 unregister_inetaddr_notifier(&netxen_inetaddr_cb);
3519 unregister_netdevice_notifier(&netxen_netdev_cb);
3523 module_exit(netxen_exit_module);