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);
42 MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME);
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 bool netxen_function_zero(struct pci_dev *pdev)
591 return (PCI_FUNC(pdev->devfn) == 0) ? true : false;
594 static inline void netxen_set_interrupt_mode(struct netxen_adapter *adapter,
597 NXWR32(adapter, NETXEN_INTR_MODE_REG, mode);
600 static inline u32 netxen_get_interrupt_mode(struct netxen_adapter *adapter)
602 return NXRD32(adapter, NETXEN_INTR_MODE_REG);
606 netxen_initialize_interrupt_registers(struct netxen_adapter *adapter)
608 struct netxen_legacy_intr_set *legacy_intrp;
609 u32 tgt_status_reg, int_state_reg;
611 if (adapter->ahw.revision_id >= NX_P3_B0)
612 legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
614 legacy_intrp = &legacy_intr[0];
616 tgt_status_reg = legacy_intrp->tgt_status_reg;
617 int_state_reg = ISR_INT_STATE_REG;
619 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
620 adapter->tgt_status_reg = netxen_get_ioaddr(adapter, tgt_status_reg);
621 adapter->tgt_mask_reg = netxen_get_ioaddr(adapter,
622 legacy_intrp->tgt_mask_reg);
623 adapter->pci_int_reg = netxen_get_ioaddr(adapter,
624 legacy_intrp->pci_int_reg);
625 adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR);
627 if (adapter->ahw.revision_id >= NX_P3_B1)
628 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
631 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
635 static int netxen_setup_msi_interrupts(struct netxen_adapter *adapter,
638 struct pci_dev *pdev = adapter->pdev;
642 if (adapter->msix_supported) {
643 netxen_init_msix_entries(adapter, num_msix);
644 err = pci_enable_msix_range(pdev, adapter->msix_entries,
647 adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
648 netxen_set_msix_bit(pdev, 1);
650 if (adapter->rss_supported)
651 adapter->max_sds_rings = num_msix;
653 dev_info(&pdev->dev, "using msi-x interrupts\n");
656 /* fall through for msi */
659 if (use_msi && !pci_enable_msi(pdev)) {
660 value = msi_tgt_status[adapter->ahw.pci_func];
661 adapter->flags |= NETXEN_NIC_MSI_ENABLED;
662 adapter->tgt_status_reg = netxen_get_ioaddr(adapter, value);
663 adapter->msix_entries[0].vector = pdev->irq;
664 dev_info(&pdev->dev, "using msi interrupts\n");
668 dev_err(&pdev->dev, "Failed to acquire MSI-X/MSI interrupt vector\n");
672 static int netxen_setup_intr(struct netxen_adapter *adapter)
674 struct pci_dev *pdev = adapter->pdev;
677 if (adapter->rss_supported)
678 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
679 MSIX_ENTRIES_PER_ADAPTER : 2;
683 adapter->max_sds_rings = 1;
684 adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
686 netxen_initialize_interrupt_registers(adapter);
687 netxen_set_msix_bit(pdev, 0);
689 if (netxen_function_zero(pdev)) {
690 if (!netxen_setup_msi_interrupts(adapter, num_msix))
691 netxen_set_interrupt_mode(adapter, NETXEN_MSI_MODE);
693 netxen_set_interrupt_mode(adapter, NETXEN_INTX_MODE);
695 if (netxen_get_interrupt_mode(adapter) == NETXEN_MSI_MODE &&
696 netxen_setup_msi_interrupts(adapter, num_msix)) {
697 dev_err(&pdev->dev, "Co-existence of MSI-X/MSI and INTx interrupts is not supported\n");
702 if (!NETXEN_IS_MSI_FAMILY(adapter)) {
703 adapter->msix_entries[0].vector = pdev->irq;
704 dev_info(&pdev->dev, "using legacy interrupts\n");
710 netxen_teardown_intr(struct netxen_adapter *adapter)
712 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
713 pci_disable_msix(adapter->pdev);
714 if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
715 pci_disable_msi(adapter->pdev);
719 netxen_cleanup_pci_map(struct netxen_adapter *adapter)
721 if (adapter->ahw.db_base != NULL)
722 iounmap(adapter->ahw.db_base);
723 if (adapter->ahw.pci_base0 != NULL)
724 iounmap(adapter->ahw.pci_base0);
725 if (adapter->ahw.pci_base1 != NULL)
726 iounmap(adapter->ahw.pci_base1);
727 if (adapter->ahw.pci_base2 != NULL)
728 iounmap(adapter->ahw.pci_base2);
732 netxen_setup_pci_map(struct netxen_adapter *adapter)
734 void __iomem *db_ptr = NULL;
736 resource_size_t mem_base, db_base;
737 unsigned long mem_len, db_len = 0;
739 struct pci_dev *pdev = adapter->pdev;
740 int pci_func = adapter->ahw.pci_func;
741 struct netxen_hardware_context *ahw = &adapter->ahw;
746 * Set the CRB window to invalid. If any register in window 0 is
747 * accessed it should set the window to 0 and then reset it to 1.
749 adapter->ahw.crb_win = -1;
750 adapter->ahw.ocm_win = -1;
752 /* remap phys address */
753 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
754 mem_len = pci_resource_len(pdev, 0);
756 /* 128 Meg of memory */
757 if (mem_len == NETXEN_PCI_128MB_SIZE) {
759 ahw->pci_base0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
760 ahw->pci_base1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
761 SECOND_PAGE_GROUP_SIZE);
762 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
763 THIRD_PAGE_GROUP_SIZE);
764 if (ahw->pci_base0 == NULL || ahw->pci_base1 == NULL ||
765 ahw->pci_base2 == NULL) {
766 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
771 ahw->pci_len0 = FIRST_PAGE_GROUP_SIZE;
773 } else if (mem_len == NETXEN_PCI_32MB_SIZE) {
775 ahw->pci_base1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
776 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
777 SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
778 if (ahw->pci_base1 == NULL || ahw->pci_base2 == NULL) {
779 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
784 } else if (mem_len == NETXEN_PCI_2MB_SIZE) {
786 ahw->pci_base0 = pci_ioremap_bar(pdev, 0);
787 if (ahw->pci_base0 == NULL) {
788 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
791 ahw->pci_len0 = mem_len;
796 netxen_setup_hwops(adapter);
798 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
800 if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
801 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
802 NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
804 } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
805 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
806 NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
809 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
812 db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
813 db_len = pci_resource_len(pdev, 4);
816 printk(KERN_ERR "%s: doorbell is disabled\n",
817 netxen_nic_driver_name);
822 db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
824 printk(KERN_ERR "%s: Failed to allocate doorbell map.",
825 netxen_nic_driver_name);
831 adapter->ahw.db_base = db_ptr;
832 adapter->ahw.db_len = db_len;
836 netxen_cleanup_pci_map(adapter);
841 netxen_check_options(struct netxen_adapter *adapter)
843 u32 fw_major, fw_minor, fw_build, prev_fw_version;
844 char brd_name[NETXEN_MAX_SHORT_NAME];
846 int i, offset, val, err;
848 struct pci_dev *pdev = adapter->pdev;
850 adapter->driver_mismatch = 0;
852 ptr32 = (__le32 *)&serial_num;
853 offset = NX_FW_SERIAL_NUM_OFFSET;
854 for (i = 0; i < 8; i++) {
855 err = netxen_rom_fast_read(adapter, offset, &val);
857 dev_err(&pdev->dev, "error reading board info\n");
858 adapter->driver_mismatch = 1;
861 ptr32[i] = cpu_to_le32(val);
862 offset += sizeof(u32);
865 fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
866 fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
867 fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
868 prev_fw_version = adapter->fw_version;
869 adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
871 /* Get FW Mini Coredump template and store it */
872 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
873 if (adapter->mdump.md_template == NULL ||
874 adapter->fw_version > prev_fw_version) {
875 kfree(adapter->mdump.md_template);
876 adapter->mdump.md_template = NULL;
877 err = netxen_setup_minidump(adapter);
879 dev_err(&adapter->pdev->dev,
880 "Failed to setup minidump rcode = %d\n", err);
884 if (adapter->portnum == 0) {
885 if (netxen_nic_get_brd_name_by_type(adapter->ahw.board_type,
887 strcpy(serial_num, "Unknown");
889 pr_info("%s: %s Board S/N %s Chip rev 0x%x\n",
890 module_name(THIS_MODULE),
891 brd_name, serial_num, adapter->ahw.revision_id);
894 if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) {
895 adapter->driver_mismatch = 1;
896 dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n",
897 fw_major, fw_minor, fw_build);
901 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
902 i = NXRD32(adapter, NETXEN_SRE_MISC);
903 adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0;
906 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d [%s]\n",
907 NETXEN_NIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build,
908 adapter->ahw.cut_through ? "cut-through" : "legacy");
910 if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
911 adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
913 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
914 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
915 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
916 } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
917 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
918 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
921 adapter->msix_supported = 0;
922 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
923 adapter->msix_supported = !!use_msi_x;
924 adapter->rss_supported = !!use_msi_x;
927 netxen_rom_fast_read(adapter,
928 NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
929 flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
931 if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) {
932 switch (adapter->ahw.board_type) {
933 case NETXEN_BRDTYPE_P2_SB31_10G:
934 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
935 adapter->msix_supported = !!use_msi_x;
936 adapter->rss_supported = !!use_msi_x;
944 adapter->num_txd = MAX_CMD_DESCRIPTORS;
946 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
947 adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
948 adapter->max_rds_rings = 3;
950 adapter->num_lro_rxd = 0;
951 adapter->max_rds_rings = 2;
956 netxen_start_firmware(struct netxen_adapter *adapter)
958 int val, err, first_boot;
959 struct pci_dev *pdev = adapter->pdev;
961 /* required for NX2031 dummy dma */
962 err = nx_set_dma_mask(adapter);
966 err = netxen_can_start_firmware(adapter);
974 first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
976 err = netxen_check_hw_init(adapter, first_boot);
978 dev_err(&pdev->dev, "error in init HW init sequence\n");
982 netxen_request_firmware(adapter);
984 err = netxen_need_fw_reset(adapter);
988 goto pcie_strap_init;
990 if (first_boot != 0x55555555) {
991 NXWR32(adapter, CRB_CMDPEG_STATE, 0);
992 netxen_pinit_from_rom(adapter);
996 NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555);
997 NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0);
998 NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0);
1000 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1001 netxen_set_port_mode(adapter);
1003 err = netxen_load_firmware(adapter);
1007 netxen_release_firmware(adapter);
1009 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1011 /* Initialize multicast addr pool owners */
1013 if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
1015 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
1019 err = netxen_init_dummy_dma(adapter);
1024 * Tell the hardware our version number.
1026 val = (_NETXEN_NIC_LINUX_MAJOR << 16)
1027 | ((_NETXEN_NIC_LINUX_MINOR << 8))
1028 | (_NETXEN_NIC_LINUX_SUBVERSION);
1029 NXWR32(adapter, CRB_DRIVER_VERSION, val);
1032 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1033 netxen_pcie_strap_init(adapter);
1036 /* Handshake with the card before we register the devices. */
1037 err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
1039 netxen_free_dummy_dma(adapter);
1043 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
1045 nx_update_dma_mask(adapter);
1047 netxen_check_options(adapter);
1049 adapter->need_fw_reset = 0;
1051 /* fall through and release firmware */
1054 netxen_release_firmware(adapter);
1059 netxen_nic_request_irq(struct netxen_adapter *adapter)
1061 irq_handler_t handler;
1062 struct nx_host_sds_ring *sds_ring;
1065 unsigned long flags = 0;
1066 struct net_device *netdev = adapter->netdev;
1067 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1069 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
1070 handler = netxen_msix_intr;
1071 else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
1072 handler = netxen_msi_intr;
1074 flags |= IRQF_SHARED;
1075 handler = netxen_intr;
1077 adapter->irq = netdev->irq;
1079 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1080 sds_ring = &recv_ctx->sds_rings[ring];
1081 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1082 err = request_irq(sds_ring->irq, handler,
1083 flags, sds_ring->name, sds_ring);
1092 netxen_nic_free_irq(struct netxen_adapter *adapter)
1095 struct nx_host_sds_ring *sds_ring;
1097 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1099 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1100 sds_ring = &recv_ctx->sds_rings[ring];
1101 free_irq(sds_ring->irq, sds_ring);
1106 netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter)
1108 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
1109 adapter->coal.normal.data.rx_time_us =
1110 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
1111 adapter->coal.normal.data.rx_packets =
1112 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
1113 adapter->coal.normal.data.tx_time_us =
1114 NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US;
1115 adapter->coal.normal.data.tx_packets =
1116 NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
1119 /* with rtnl_lock */
1121 __netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1125 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1128 err = adapter->init_port(adapter, adapter->physical_port);
1130 printk(KERN_ERR "%s: Failed to initialize port %d\n",
1131 netxen_nic_driver_name, adapter->portnum);
1134 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
1135 adapter->macaddr_set(adapter, adapter->mac_addr);
1137 adapter->set_multi(netdev);
1138 adapter->set_mtu(adapter, netdev->mtu);
1140 adapter->ahw.linkup = 0;
1142 if (adapter->max_sds_rings > 1)
1143 netxen_config_rss(adapter, 1);
1145 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1146 netxen_config_intr_coalesce(adapter);
1148 if (netdev->features & NETIF_F_LRO)
1149 netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED);
1151 netxen_napi_enable(adapter);
1153 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1154 netxen_linkevent_request(adapter, 1);
1156 netxen_nic_set_link_parameters(adapter);
1158 set_bit(__NX_DEV_UP, &adapter->state);
1162 /* Usage: During resume and firmware recovery module.*/
1165 netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1170 if (netif_running(netdev))
1171 err = __netxen_nic_up(adapter, netdev);
1177 /* with rtnl_lock */
1179 __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1181 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1184 if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state))
1188 netif_carrier_off(netdev);
1189 netif_tx_disable(netdev);
1191 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1192 netxen_linkevent_request(adapter, 0);
1194 if (adapter->stop_port)
1195 adapter->stop_port(adapter);
1197 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1198 netxen_p3_free_mac_list(adapter);
1200 adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
1202 netxen_napi_disable(adapter);
1204 netxen_release_tx_buffers(adapter);
1207 /* Usage: During suspend and firmware recovery module */
1210 netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1213 if (netif_running(netdev))
1214 __netxen_nic_down(adapter, netdev);
1220 netxen_nic_attach(struct netxen_adapter *adapter)
1222 struct net_device *netdev = adapter->netdev;
1223 struct pci_dev *pdev = adapter->pdev;
1225 struct nx_host_rds_ring *rds_ring;
1226 struct nx_host_tx_ring *tx_ring;
1229 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
1232 err = netxen_init_firmware(adapter);
1236 adapter->flags &= ~NETXEN_FW_MSS_CAP;
1237 if (adapter->capabilities & NX_FW_CAPABILITY_MORE_CAPS) {
1238 capab2 = NXRD32(adapter, CRB_FW_CAPABILITIES_2);
1239 if (capab2 & NX_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1240 adapter->flags |= NETXEN_FW_MSS_CAP;
1243 err = netxen_napi_add(adapter, netdev);
1247 err = netxen_alloc_sw_resources(adapter);
1249 printk(KERN_ERR "%s: Error in setting sw resources\n",
1254 err = netxen_alloc_hw_resources(adapter);
1256 printk(KERN_ERR "%s: Error in setting hw resources\n",
1258 goto err_out_free_sw;
1261 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1262 tx_ring = adapter->tx_ring;
1263 tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
1264 crb_cmd_producer[adapter->portnum]);
1265 tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter,
1266 crb_cmd_consumer[adapter->portnum]);
1268 tx_ring->producer = 0;
1269 tx_ring->sw_consumer = 0;
1271 netxen_nic_update_cmd_producer(adapter, tx_ring);
1272 netxen_nic_update_cmd_consumer(adapter, tx_ring);
1275 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1276 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1277 netxen_post_rx_buffers(adapter, ring, rds_ring);
1280 err = netxen_nic_request_irq(adapter);
1282 dev_err(&pdev->dev, "%s: failed to setup interrupt\n",
1284 goto err_out_free_rxbuf;
1287 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1288 netxen_nic_init_coalesce_defaults(adapter);
1290 netxen_create_sysfs_entries(adapter);
1292 adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
1296 netxen_release_rx_buffers(adapter);
1297 netxen_free_hw_resources(adapter);
1299 netxen_free_sw_resources(adapter);
1304 netxen_nic_detach(struct netxen_adapter *adapter)
1306 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1309 netxen_remove_sysfs_entries(adapter);
1311 netxen_free_hw_resources(adapter);
1312 netxen_release_rx_buffers(adapter);
1313 netxen_nic_free_irq(adapter);
1314 netxen_napi_del(adapter);
1315 netxen_free_sw_resources(adapter);
1321 netxen_nic_reset_context(struct netxen_adapter *adapter)
1324 struct net_device *netdev = adapter->netdev;
1326 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
1329 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
1331 netif_device_detach(netdev);
1333 if (netif_running(netdev))
1334 __netxen_nic_down(adapter, netdev);
1336 netxen_nic_detach(adapter);
1338 if (netif_running(netdev)) {
1339 err = netxen_nic_attach(adapter);
1341 err = __netxen_nic_up(adapter, netdev);
1347 netif_device_attach(netdev);
1351 clear_bit(__NX_RESETTING, &adapter->state);
1356 netxen_setup_netdev(struct netxen_adapter *adapter,
1357 struct net_device *netdev)
1360 struct pci_dev *pdev = adapter->pdev;
1362 adapter->mc_enabled = 0;
1363 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1364 adapter->max_mc_count = 38;
1366 adapter->max_mc_count = 16;
1368 netdev->netdev_ops = &netxen_netdev_ops;
1369 netdev->watchdog_timeo = 5*HZ;
1371 netxen_nic_change_mtu(netdev, netdev->mtu);
1373 netdev->ethtool_ops = &netxen_nic_ethtool_ops;
1375 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
1378 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1379 netdev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
1381 netdev->vlan_features |= netdev->hw_features;
1383 if (adapter->pci_using_dac) {
1384 netdev->features |= NETIF_F_HIGHDMA;
1385 netdev->vlan_features |= NETIF_F_HIGHDMA;
1388 if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX)
1389 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX;
1391 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
1392 netdev->hw_features |= NETIF_F_LRO;
1394 netdev->features |= netdev->hw_features;
1396 netdev->irq = adapter->msix_entries[0].vector;
1398 INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
1400 if (netxen_read_mac_addr(adapter))
1401 dev_warn(&pdev->dev, "failed to read mac addr\n");
1403 netif_carrier_off(netdev);
1405 err = register_netdev(netdev);
1407 dev_err(&pdev->dev, "failed to register net device\n");
1414 #define NETXEN_ULA_ADAPTER_KEY (0xdaddad01)
1415 #define NETXEN_NON_ULA_ADAPTER_KEY (0xdaddad00)
1417 static void netxen_read_ula_info(struct netxen_adapter *adapter)
1421 /* Print ULA info only once for an adapter */
1422 if (adapter->portnum != 0)
1425 temp = NXRD32(adapter, NETXEN_ULA_KEY);
1427 case NETXEN_ULA_ADAPTER_KEY:
1428 dev_info(&adapter->pdev->dev, "ULA adapter");
1430 case NETXEN_NON_ULA_ADAPTER_KEY:
1431 dev_info(&adapter->pdev->dev, "non ULA adapter");
1440 #ifdef CONFIG_PCIEAER
1441 static void netxen_mask_aer_correctable(struct netxen_adapter *adapter)
1443 struct pci_dev *pdev = adapter->pdev;
1444 struct pci_dev *root = pdev->bus->self;
1451 if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM &&
1452 adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP)
1455 if (pci_pcie_type(root) != PCI_EXP_TYPE_ROOT_PORT)
1458 aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR);
1462 pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff);
1467 netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1469 struct net_device *netdev = NULL;
1470 struct netxen_adapter *adapter = NULL;
1472 int pci_func_id = PCI_FUNC(pdev->devfn);
1473 uint8_t revision_id;
1476 if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
1477 pr_warn("%s: chip revisions between 0x%x-0x%x will not be enabled\n",
1478 module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
1482 if ((err = pci_enable_device(pdev)))
1485 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1487 goto err_out_disable_pdev;
1490 if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
1491 goto err_out_disable_pdev;
1493 if (NX_IS_REVISION_P3(pdev->revision))
1494 pci_enable_pcie_error_reporting(pdev);
1496 pci_set_master(pdev);
1498 netdev = alloc_etherdev(sizeof(struct netxen_adapter));
1501 goto err_out_free_res;
1504 SET_NETDEV_DEV(netdev, &pdev->dev);
1506 adapter = netdev_priv(netdev);
1507 adapter->netdev = netdev;
1508 adapter->pdev = pdev;
1509 adapter->ahw.pci_func = pci_func_id;
1511 revision_id = pdev->revision;
1512 adapter->ahw.revision_id = revision_id;
1514 rwlock_init(&adapter->ahw.crb_lock);
1515 spin_lock_init(&adapter->ahw.mem_lock);
1517 spin_lock_init(&adapter->tx_clean_lock);
1518 INIT_LIST_HEAD(&adapter->mac_list);
1519 INIT_LIST_HEAD(&adapter->ip_list);
1521 err = netxen_setup_pci_map(adapter);
1523 goto err_out_free_netdev;
1525 /* This will be reset for mezz cards */
1526 adapter->portnum = pci_func_id;
1528 err = netxen_nic_get_board_info(adapter);
1530 dev_err(&pdev->dev, "Error getting board config info.\n");
1531 goto err_out_iounmap;
1534 #ifdef CONFIG_PCIEAER
1535 netxen_mask_aer_correctable(adapter);
1538 /* Mezz cards have PCI function 0,2,3 enabled */
1539 switch (adapter->ahw.board_type) {
1540 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1541 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1542 if (pci_func_id >= 2)
1543 adapter->portnum = pci_func_id - 2;
1549 err = netxen_check_flash_fw_compatibility(adapter);
1551 goto err_out_iounmap;
1553 if (adapter->portnum == 0) {
1554 val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
1555 if (val != 0xffffffff && val != 0) {
1556 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, 0);
1557 adapter->need_fw_reset = 1;
1561 err = netxen_start_firmware(adapter);
1563 goto err_out_decr_ref;
1566 * See if the firmware gave us a virtual-physical port mapping.
1568 adapter->physical_port = adapter->portnum;
1569 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1570 i = NXRD32(adapter, CRB_V2P(adapter->portnum));
1571 if (i != 0x55555555)
1572 adapter->physical_port = i;
1575 netxen_nic_clear_stats(adapter);
1577 err = netxen_setup_intr(adapter);
1580 dev_err(&adapter->pdev->dev,
1581 "Failed to setup interrupts, error = %d\n", err);
1582 goto err_out_disable_msi;
1585 netxen_read_ula_info(adapter);
1587 err = netxen_setup_netdev(adapter, netdev);
1589 goto err_out_disable_msi;
1591 pci_set_drvdata(pdev, adapter);
1593 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1595 switch (adapter->ahw.port_type) {
1596 case NETXEN_NIC_GBE:
1597 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1598 adapter->netdev->name);
1600 case NETXEN_NIC_XGBE:
1601 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1602 adapter->netdev->name);
1606 netxen_create_diag_entries(adapter);
1610 err_out_disable_msi:
1611 netxen_teardown_intr(adapter);
1613 netxen_free_dummy_dma(adapter);
1616 nx_decr_dev_ref_cnt(adapter);
1619 netxen_cleanup_pci_map(adapter);
1621 err_out_free_netdev:
1622 free_netdev(netdev);
1625 pci_release_regions(pdev);
1627 err_out_disable_pdev:
1628 pci_disable_device(pdev);
1633 void netxen_cleanup_minidump(struct netxen_adapter *adapter)
1635 kfree(adapter->mdump.md_template);
1636 adapter->mdump.md_template = NULL;
1638 if (adapter->mdump.md_capture_buff) {
1639 vfree(adapter->mdump.md_capture_buff);
1640 adapter->mdump.md_capture_buff = NULL;
1644 static void netxen_nic_remove(struct pci_dev *pdev)
1646 struct netxen_adapter *adapter;
1647 struct net_device *netdev;
1649 adapter = pci_get_drvdata(pdev);
1650 if (adapter == NULL)
1653 netdev = adapter->netdev;
1655 netxen_cancel_fw_work(adapter);
1657 unregister_netdev(netdev);
1659 cancel_work_sync(&adapter->tx_timeout_task);
1661 netxen_free_ip_list(adapter, false);
1662 netxen_nic_detach(adapter);
1664 nx_decr_dev_ref_cnt(adapter);
1666 if (adapter->portnum == 0)
1667 netxen_free_dummy_dma(adapter);
1669 clear_bit(__NX_RESETTING, &adapter->state);
1671 netxen_teardown_intr(adapter);
1672 netxen_set_interrupt_mode(adapter, 0);
1673 netxen_remove_diag_entries(adapter);
1675 netxen_cleanup_pci_map(adapter);
1677 netxen_release_firmware(adapter);
1679 if (NX_IS_REVISION_P3(pdev->revision)) {
1680 netxen_cleanup_minidump(adapter);
1681 pci_disable_pcie_error_reporting(pdev);
1684 pci_release_regions(pdev);
1685 pci_disable_device(pdev);
1687 free_netdev(netdev);
1690 static void netxen_nic_detach_func(struct netxen_adapter *adapter)
1692 struct net_device *netdev = adapter->netdev;
1694 netif_device_detach(netdev);
1696 netxen_cancel_fw_work(adapter);
1698 if (netif_running(netdev))
1699 netxen_nic_down(adapter, netdev);
1701 cancel_work_sync(&adapter->tx_timeout_task);
1703 netxen_nic_detach(adapter);
1705 if (adapter->portnum == 0)
1706 netxen_free_dummy_dma(adapter);
1708 nx_decr_dev_ref_cnt(adapter);
1710 clear_bit(__NX_RESETTING, &adapter->state);
1713 static int netxen_nic_attach_func(struct pci_dev *pdev)
1715 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1716 struct net_device *netdev = adapter->netdev;
1719 err = pci_enable_device(pdev);
1723 pci_set_power_state(pdev, PCI_D0);
1724 pci_set_master(pdev);
1725 pci_restore_state(pdev);
1727 adapter->ahw.crb_win = -1;
1728 adapter->ahw.ocm_win = -1;
1730 err = netxen_start_firmware(adapter);
1732 dev_err(&pdev->dev, "failed to start firmware\n");
1736 if (netif_running(netdev)) {
1737 err = netxen_nic_attach(adapter);
1741 err = netxen_nic_up(adapter, netdev);
1743 goto err_out_detach;
1745 netxen_restore_indev_addr(netdev, NETDEV_UP);
1748 netif_device_attach(netdev);
1749 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1753 netxen_nic_detach(adapter);
1755 nx_decr_dev_ref_cnt(adapter);
1759 static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev,
1760 pci_channel_state_t state)
1762 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1764 if (state == pci_channel_io_perm_failure)
1765 return PCI_ERS_RESULT_DISCONNECT;
1767 if (nx_dev_request_aer(adapter))
1768 return PCI_ERS_RESULT_RECOVERED;
1770 netxen_nic_detach_func(adapter);
1772 pci_disable_device(pdev);
1774 return PCI_ERS_RESULT_NEED_RESET;
1777 static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev)
1781 err = netxen_nic_attach_func(pdev);
1783 return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
1786 static void netxen_io_resume(struct pci_dev *pdev)
1788 pci_cleanup_aer_uncorrect_error_status(pdev);
1791 static void netxen_nic_shutdown(struct pci_dev *pdev)
1793 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1795 netxen_nic_detach_func(adapter);
1797 if (pci_save_state(pdev))
1800 if (netxen_nic_wol_supported(adapter)) {
1801 pci_enable_wake(pdev, PCI_D3cold, 1);
1802 pci_enable_wake(pdev, PCI_D3hot, 1);
1805 pci_disable_device(pdev);
1810 netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
1812 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1815 netxen_nic_detach_func(adapter);
1817 retval = pci_save_state(pdev);
1821 if (netxen_nic_wol_supported(adapter)) {
1822 pci_enable_wake(pdev, PCI_D3cold, 1);
1823 pci_enable_wake(pdev, PCI_D3hot, 1);
1826 pci_disable_device(pdev);
1827 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1833 netxen_nic_resume(struct pci_dev *pdev)
1835 return netxen_nic_attach_func(pdev);
1839 static int netxen_nic_open(struct net_device *netdev)
1841 struct netxen_adapter *adapter = netdev_priv(netdev);
1844 if (adapter->driver_mismatch)
1847 err = netxen_nic_attach(adapter);
1851 err = __netxen_nic_up(adapter, netdev);
1855 netif_start_queue(netdev);
1860 netxen_nic_detach(adapter);
1865 * netxen_nic_close - Disables a network interface entry point
1867 static int netxen_nic_close(struct net_device *netdev)
1869 struct netxen_adapter *adapter = netdev_priv(netdev);
1871 __netxen_nic_down(adapter, netdev);
1876 netxen_tso_check(struct net_device *netdev,
1877 struct nx_host_tx_ring *tx_ring,
1878 struct cmd_desc_type0 *first_desc,
1879 struct sk_buff *skb)
1881 u8 opcode = TX_ETHER_PKT;
1882 __be16 protocol = skb->protocol;
1883 u16 flags = 0, vid = 0;
1885 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1886 struct cmd_desc_type0 *hwdesc;
1887 struct vlan_ethhdr *vh;
1889 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
1891 vh = (struct vlan_ethhdr *)skb->data;
1892 protocol = vh->h_vlan_encapsulated_proto;
1893 flags = FLAGS_VLAN_TAGGED;
1895 } else if (skb_vlan_tag_present(skb)) {
1896 flags = FLAGS_VLAN_OOB;
1897 vid = skb_vlan_tag_get(skb);
1898 netxen_set_tx_vlan_tci(first_desc, vid);
1902 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1903 skb_shinfo(skb)->gso_size > 0) {
1905 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1907 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1908 first_desc->total_hdr_length = hdr_len;
1910 first_desc->total_hdr_length += VLAN_HLEN;
1911 first_desc->tcp_hdr_offset = VLAN_HLEN;
1912 first_desc->ip_hdr_offset = VLAN_HLEN;
1913 /* Only in case of TSO on vlan device */
1914 flags |= FLAGS_VLAN_TAGGED;
1917 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1918 TX_TCP_LSO6 : TX_TCP_LSO;
1921 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1924 if (protocol == cpu_to_be16(ETH_P_IP)) {
1925 l4proto = ip_hdr(skb)->protocol;
1927 if (l4proto == IPPROTO_TCP)
1928 opcode = TX_TCP_PKT;
1929 else if(l4proto == IPPROTO_UDP)
1930 opcode = TX_UDP_PKT;
1931 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1932 l4proto = ipv6_hdr(skb)->nexthdr;
1934 if (l4proto == IPPROTO_TCP)
1935 opcode = TX_TCPV6_PKT;
1936 else if(l4proto == IPPROTO_UDP)
1937 opcode = TX_UDPV6_PKT;
1941 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1942 first_desc->ip_hdr_offset += skb_network_offset(skb);
1943 netxen_set_tx_flags_opcode(first_desc, flags, opcode);
1948 /* For LSO, we need to copy the MAC/IP/TCP headers into
1949 * the descriptor ring
1951 producer = tx_ring->producer;
1956 /* Create a TSO vlan header template for firmware */
1958 hwdesc = &tx_ring->desc_head[producer];
1959 tx_ring->cmd_buf_arr[producer].skb = NULL;
1961 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1962 hdr_len + VLAN_HLEN);
1964 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1965 skb_copy_from_linear_data(skb, vh, 12);
1966 vh->h_vlan_proto = htons(ETH_P_8021Q);
1967 vh->h_vlan_TCI = htons(vid);
1968 skb_copy_from_linear_data_offset(skb, 12,
1969 (char *)vh + 16, copy_len - 16);
1971 copied = copy_len - VLAN_HLEN;
1974 producer = get_next_index(producer, tx_ring->num_desc);
1977 while (copied < hdr_len) {
1979 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1980 (hdr_len - copied));
1982 hwdesc = &tx_ring->desc_head[producer];
1983 tx_ring->cmd_buf_arr[producer].skb = NULL;
1985 skb_copy_from_linear_data_offset(skb, copied,
1986 (char *)hwdesc + offset, copy_len);
1991 producer = get_next_index(producer, tx_ring->num_desc);
1994 tx_ring->producer = producer;
1999 netxen_map_tx_skb(struct pci_dev *pdev,
2000 struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
2002 struct netxen_skb_frag *nf;
2003 struct skb_frag_struct *frag;
2007 nr_frags = skb_shinfo(skb)->nr_frags;
2008 nf = &pbuf->frag_array[0];
2010 map = pci_map_single(pdev, skb->data,
2011 skb_headlen(skb), PCI_DMA_TODEVICE);
2012 if (pci_dma_mapping_error(pdev, map))
2016 nf->length = skb_headlen(skb);
2018 for (i = 0; i < nr_frags; i++) {
2019 frag = &skb_shinfo(skb)->frags[i];
2020 nf = &pbuf->frag_array[i+1];
2022 map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
2024 if (dma_mapping_error(&pdev->dev, map))
2028 nf->length = skb_frag_size(frag);
2035 nf = &pbuf->frag_array[i+1];
2036 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2040 nf = &pbuf->frag_array[0];
2041 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2049 netxen_clear_cmddesc(u64 *desc)
2056 netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2058 struct netxen_adapter *adapter = netdev_priv(netdev);
2059 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
2060 struct netxen_cmd_buffer *pbuf;
2061 struct netxen_skb_frag *buffrag;
2062 struct cmd_desc_type0 *hwdesc, *first_desc;
2063 struct pci_dev *pdev;
2066 struct skb_frag_struct *frag;
2069 int frag_count, no_of_desc;
2070 u32 num_txd = tx_ring->num_desc;
2072 frag_count = skb_shinfo(skb)->nr_frags + 1;
2074 /* 14 frags supported for normal packet and
2075 * 32 frags supported for TSO packet
2077 if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) {
2079 for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) {
2080 frag = &skb_shinfo(skb)->frags[i];
2081 delta += skb_frag_size(frag);
2084 if (!__pskb_pull_tail(skb, delta))
2087 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2089 /* 4 fragments per cmd des */
2090 no_of_desc = (frag_count + 3) >> 2;
2092 if (unlikely(netxen_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
2093 netif_stop_queue(netdev);
2095 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
2096 netif_start_queue(netdev);
2098 return NETDEV_TX_BUSY;
2101 producer = tx_ring->producer;
2102 pbuf = &tx_ring->cmd_buf_arr[producer];
2104 pdev = adapter->pdev;
2106 if (netxen_map_tx_skb(pdev, skb, pbuf))
2110 pbuf->frag_count = frag_count;
2112 first_desc = hwdesc = &tx_ring->desc_head[producer];
2113 netxen_clear_cmddesc((u64 *)hwdesc);
2115 netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
2116 netxen_set_tx_port(first_desc, adapter->portnum);
2118 for (i = 0; i < frag_count; i++) {
2122 if ((k == 0) && (i > 0)) {
2123 /* move to next desc.*/
2124 producer = get_next_index(producer, num_txd);
2125 hwdesc = &tx_ring->desc_head[producer];
2126 netxen_clear_cmddesc((u64 *)hwdesc);
2127 tx_ring->cmd_buf_arr[producer].skb = NULL;
2130 buffrag = &pbuf->frag_array[i];
2132 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2135 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2138 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2141 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2144 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2149 tx_ring->producer = get_next_index(producer, num_txd);
2151 netxen_tso_check(netdev, tx_ring, first_desc, skb);
2153 adapter->stats.txbytes += skb->len;
2154 adapter->stats.xmitcalled++;
2156 netxen_nic_update_cmd_producer(adapter, tx_ring);
2158 return NETDEV_TX_OK;
2161 adapter->stats.txdropped++;
2162 dev_kfree_skb_any(skb);
2163 return NETDEV_TX_OK;
2166 static int netxen_nic_check_temp(struct netxen_adapter *adapter)
2168 struct net_device *netdev = adapter->netdev;
2169 uint32_t temp, temp_state, temp_val;
2172 temp = NXRD32(adapter, CRB_TEMP_STATE);
2174 temp_state = nx_get_temp_state(temp);
2175 temp_val = nx_get_temp_val(temp);
2177 if (temp_state == NX_TEMP_PANIC) {
2179 "%s: Device temperature %d degrees C exceeds"
2180 " maximum allowed. Hardware has been shut down.\n",
2181 netdev->name, temp_val);
2183 } else if (temp_state == NX_TEMP_WARN) {
2184 if (adapter->temp == NX_TEMP_NORMAL) {
2186 "%s: Device temperature %d degrees C "
2187 "exceeds operating range."
2188 " Immediate action needed.\n",
2189 netdev->name, temp_val);
2192 if (adapter->temp == NX_TEMP_WARN) {
2194 "%s: Device temperature is now %d degrees C"
2195 " in normal range.\n", netdev->name,
2199 adapter->temp = temp_state;
2203 void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
2205 struct net_device *netdev = adapter->netdev;
2207 if (adapter->ahw.linkup && !linkup) {
2208 printk(KERN_INFO "%s: %s NIC Link is down\n",
2209 netxen_nic_driver_name, netdev->name);
2210 adapter->ahw.linkup = 0;
2211 if (netif_running(netdev)) {
2212 netif_carrier_off(netdev);
2213 netif_stop_queue(netdev);
2215 adapter->link_changed = !adapter->has_link_events;
2216 } else if (!adapter->ahw.linkup && linkup) {
2217 printk(KERN_INFO "%s: %s NIC Link is up\n",
2218 netxen_nic_driver_name, netdev->name);
2219 adapter->ahw.linkup = 1;
2220 if (netif_running(netdev)) {
2221 netif_carrier_on(netdev);
2222 netif_wake_queue(netdev);
2224 adapter->link_changed = !adapter->has_link_events;
2228 static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
2230 u32 val, port, linkup;
2232 port = adapter->physical_port;
2234 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2235 val = NXRD32(adapter, CRB_XG_STATE_P3);
2236 val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
2237 linkup = (val == XG_LINK_UP_P3);
2239 val = NXRD32(adapter, CRB_XG_STATE);
2240 val = (val >> port*8) & 0xff;
2241 linkup = (val == XG_LINK_UP);
2244 netxen_advert_link_change(adapter, linkup);
2247 static void netxen_tx_timeout(struct net_device *netdev)
2249 struct netxen_adapter *adapter = netdev_priv(netdev);
2251 if (test_bit(__NX_RESETTING, &adapter->state))
2254 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2255 schedule_work(&adapter->tx_timeout_task);
2258 static void netxen_tx_timeout_task(struct work_struct *work)
2260 struct netxen_adapter *adapter =
2261 container_of(work, struct netxen_adapter, tx_timeout_task);
2263 if (!netif_running(adapter->netdev))
2266 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
2269 if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
2273 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
2274 /* try to scrub interrupt */
2275 netxen_napi_disable(adapter);
2277 netxen_napi_enable(adapter);
2279 netif_wake_queue(adapter->netdev);
2281 clear_bit(__NX_RESETTING, &adapter->state);
2283 clear_bit(__NX_RESETTING, &adapter->state);
2284 if (netxen_nic_reset_context(adapter)) {
2289 adapter->netdev->trans_start = jiffies;
2294 adapter->need_fw_reset = 1;
2295 clear_bit(__NX_RESETTING, &adapter->state);
2298 static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *netdev,
2299 struct rtnl_link_stats64 *stats)
2301 struct netxen_adapter *adapter = netdev_priv(netdev);
2303 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2304 stats->tx_packets = adapter->stats.xmitfinished;
2305 stats->rx_bytes = adapter->stats.rxbytes;
2306 stats->tx_bytes = adapter->stats.txbytes;
2307 stats->rx_dropped = adapter->stats.rxdropped;
2308 stats->tx_dropped = adapter->stats.txdropped;
2313 static irqreturn_t netxen_intr(int irq, void *data)
2315 struct nx_host_sds_ring *sds_ring = data;
2316 struct netxen_adapter *adapter = sds_ring->adapter;
2319 status = readl(adapter->isr_int_vec);
2321 if (!(status & adapter->int_vec_bit))
2324 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2325 /* check interrupt state machine, to be sure */
2326 status = readl(adapter->crb_int_state_reg);
2327 if (!ISR_LEGACY_INT_TRIGGERED(status))
2331 unsigned long our_int = 0;
2333 our_int = readl(adapter->crb_int_state_reg);
2335 /* not our interrupt */
2336 if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
2339 /* claim interrupt */
2340 writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
2342 /* clear interrupt */
2343 netxen_nic_disable_int(sds_ring);
2346 writel(0xffffffff, adapter->tgt_status_reg);
2347 /* read twice to ensure write is flushed */
2348 readl(adapter->isr_int_vec);
2349 readl(adapter->isr_int_vec);
2351 napi_schedule(&sds_ring->napi);
2356 static irqreturn_t netxen_msi_intr(int irq, void *data)
2358 struct nx_host_sds_ring *sds_ring = data;
2359 struct netxen_adapter *adapter = sds_ring->adapter;
2361 /* clear interrupt */
2362 writel(0xffffffff, adapter->tgt_status_reg);
2364 napi_schedule(&sds_ring->napi);
2368 static irqreturn_t netxen_msix_intr(int irq, void *data)
2370 struct nx_host_sds_ring *sds_ring = data;
2372 napi_schedule(&sds_ring->napi);
2376 static int netxen_nic_poll(struct napi_struct *napi, int budget)
2378 struct nx_host_sds_ring *sds_ring =
2379 container_of(napi, struct nx_host_sds_ring, napi);
2381 struct netxen_adapter *adapter = sds_ring->adapter;
2386 tx_complete = netxen_process_cmd_ring(adapter);
2388 work_done = netxen_process_rcv_ring(sds_ring, budget);
2393 if (work_done < budget) {
2394 napi_complete(&sds_ring->napi);
2395 if (test_bit(__NX_DEV_UP, &adapter->state))
2396 netxen_nic_enable_int(sds_ring);
2402 #ifdef CONFIG_NET_POLL_CONTROLLER
2403 static void netxen_nic_poll_controller(struct net_device *netdev)
2406 struct nx_host_sds_ring *sds_ring;
2407 struct netxen_adapter *adapter = netdev_priv(netdev);
2408 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
2410 disable_irq(adapter->irq);
2411 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2412 sds_ring = &recv_ctx->sds_rings[ring];
2413 netxen_intr(adapter->irq, sds_ring);
2415 enable_irq(adapter->irq);
2420 nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
2423 if (netxen_api_lock(adapter))
2426 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2428 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2430 netxen_api_unlock(adapter);
2435 nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
2438 if (netxen_api_lock(adapter))
2441 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2442 WARN_ON(count == 0);
2444 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2445 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2447 if (count == 0 && state != NX_DEV_FAILED)
2448 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2450 netxen_api_unlock(adapter);
2455 nx_dev_request_aer(struct netxen_adapter *adapter)
2460 if (netxen_api_lock(adapter))
2463 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2465 if (state == NX_DEV_NEED_AER)
2467 else if (state == NX_DEV_READY) {
2468 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER);
2472 netxen_api_unlock(adapter);
2477 nx_dev_request_reset(struct netxen_adapter *adapter)
2482 if (netxen_api_lock(adapter))
2485 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2487 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED)
2489 else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
2490 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
2491 adapter->flags |= NETXEN_FW_RESET_OWNER;
2495 netxen_api_unlock(adapter);
2501 netxen_can_start_firmware(struct netxen_adapter *adapter)
2506 if (netxen_api_lock(adapter)) {
2507 nx_incr_dev_ref_cnt(adapter);
2511 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2513 if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
2518 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
2521 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2523 netxen_api_unlock(adapter);
2529 netxen_schedule_work(struct netxen_adapter *adapter,
2530 work_func_t func, int delay)
2532 INIT_DELAYED_WORK(&adapter->fw_work, func);
2533 schedule_delayed_work(&adapter->fw_work, delay);
2537 netxen_cancel_fw_work(struct netxen_adapter *adapter)
2539 while (test_and_set_bit(__NX_RESETTING, &adapter->state))
2542 cancel_delayed_work_sync(&adapter->fw_work);
2546 netxen_attach_work(struct work_struct *work)
2548 struct netxen_adapter *adapter = container_of(work,
2549 struct netxen_adapter, fw_work.work);
2550 struct net_device *netdev = adapter->netdev;
2553 if (netif_running(netdev)) {
2554 err = netxen_nic_attach(adapter);
2558 err = netxen_nic_up(adapter, netdev);
2560 netxen_nic_detach(adapter);
2564 netxen_restore_indev_addr(netdev, NETDEV_UP);
2567 netif_device_attach(netdev);
2570 adapter->fw_fail_cnt = 0;
2571 clear_bit(__NX_RESETTING, &adapter->state);
2572 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2576 netxen_fwinit_work(struct work_struct *work)
2578 struct netxen_adapter *adapter = container_of(work,
2579 struct netxen_adapter, fw_work.work);
2582 dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
2583 if (adapter->flags & NETXEN_FW_RESET_OWNER) {
2584 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2585 WARN_ON(count == 0);
2587 if (adapter->mdump.md_enabled) {
2589 netxen_dump_fw(adapter);
2592 adapter->flags &= ~NETXEN_FW_RESET_OWNER;
2593 if (netxen_api_lock(adapter)) {
2594 clear_bit(__NX_RESETTING, &adapter->state);
2595 NXWR32(adapter, NX_CRB_DEV_STATE,
2599 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2600 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2601 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2602 dev_state = NX_DEV_COLD;
2603 netxen_api_unlock(adapter);
2607 switch (dev_state) {
2610 if (!netxen_start_firmware(adapter)) {
2611 netxen_schedule_work(adapter, netxen_attach_work, 0);
2616 case NX_DEV_NEED_RESET:
2617 case NX_DEV_INITALIZING:
2618 netxen_schedule_work(adapter,
2619 netxen_fwinit_work, 2 * FW_POLL_DELAY);
2624 nx_incr_dev_ref_cnt(adapter);
2628 if (netxen_api_lock(adapter)) {
2629 clear_bit(__NX_RESETTING, &adapter->state);
2632 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED);
2633 netxen_api_unlock(adapter);
2634 dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n",
2635 adapter->netdev->name);
2637 clear_bit(__NX_RESETTING, &adapter->state);
2641 netxen_detach_work(struct work_struct *work)
2643 struct netxen_adapter *adapter = container_of(work,
2644 struct netxen_adapter, fw_work.work);
2645 struct net_device *netdev = adapter->netdev;
2646 int ref_cnt = 0, delay;
2649 netif_device_detach(netdev);
2651 netxen_nic_down(adapter, netdev);
2654 netxen_nic_detach(adapter);
2657 status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2659 if (status & NX_RCODE_FATAL_ERROR)
2662 if (adapter->temp == NX_TEMP_PANIC)
2665 if (!(adapter->flags & NETXEN_FW_RESET_OWNER))
2666 ref_cnt = nx_decr_dev_ref_cnt(adapter);
2668 if (ref_cnt == -EIO)
2671 delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
2673 adapter->fw_wait_cnt = 0;
2674 netxen_schedule_work(adapter, netxen_fwinit_work, delay);
2679 clear_bit(__NX_RESETTING, &adapter->state);
2683 netxen_check_health(struct netxen_adapter *adapter)
2685 u32 state, heartbit;
2687 struct net_device *netdev = adapter->netdev;
2689 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2690 if (state == NX_DEV_NEED_AER)
2693 if (netxen_nic_check_temp(adapter))
2696 if (adapter->need_fw_reset) {
2697 if (nx_dev_request_reset(adapter))
2702 /* NX_DEV_NEED_RESET, this state can be marked in two cases
2703 * 1. Tx timeout 2. Fw hang
2704 * Send request to destroy context in case of tx timeout only
2705 * and doesn't required in case of Fw hang
2707 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) {
2708 adapter->need_fw_reset = 1;
2709 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2713 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2716 heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
2717 if (heartbit != adapter->heartbit) {
2718 adapter->heartbit = heartbit;
2719 adapter->fw_fail_cnt = 0;
2720 if (adapter->need_fw_reset)
2725 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2728 if (nx_dev_request_reset(adapter))
2731 clear_bit(__NX_FW_ATTACHED, &adapter->state);
2733 dev_err(&netdev->dev, "firmware hang detected\n");
2734 peg_status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2735 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
2736 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2737 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2738 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2739 "PEG_NET_4_PC: 0x%x\n",
2741 NXRD32(adapter, NETXEN_PEG_HALT_STATUS2),
2742 NXRD32(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c),
2743 NXRD32(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c),
2744 NXRD32(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c),
2745 NXRD32(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c),
2746 NXRD32(adapter, NETXEN_CRB_PEG_NET_4 + 0x3c));
2747 if (NX_FWERROR_PEGSTAT1(peg_status) == 0x67)
2748 dev_err(&adapter->pdev->dev,
2749 "Firmware aborted with error code 0x00006700. "
2750 "Device is being reset.\n");
2752 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
2753 !test_and_set_bit(__NX_RESETTING, &adapter->state))
2754 netxen_schedule_work(adapter, netxen_detach_work, 0);
2759 netxen_fw_poll_work(struct work_struct *work)
2761 struct netxen_adapter *adapter = container_of(work,
2762 struct netxen_adapter, fw_work.work);
2764 if (test_bit(__NX_RESETTING, &adapter->state))
2767 if (test_bit(__NX_DEV_UP, &adapter->state) &&
2768 !(adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)) {
2769 if (!adapter->has_link_events) {
2771 netxen_nic_handle_phy_intr(adapter);
2773 if (adapter->link_changed)
2774 netxen_nic_set_link_parameters(adapter);
2778 if (netxen_check_health(adapter))
2782 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2786 netxen_store_bridged_mode(struct device *dev,
2787 struct device_attribute *attr, const char *buf, size_t len)
2789 struct net_device *net = to_net_dev(dev);
2790 struct netxen_adapter *adapter = netdev_priv(net);
2794 if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
2797 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2800 if (kstrtoul(buf, 2, &new))
2803 if (!netxen_config_bridged_mode(adapter, !!new))
2811 netxen_show_bridged_mode(struct device *dev,
2812 struct device_attribute *attr, char *buf)
2814 struct net_device *net = to_net_dev(dev);
2815 struct netxen_adapter *adapter;
2816 int bridged_mode = 0;
2818 adapter = netdev_priv(net);
2820 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2821 bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
2823 return sprintf(buf, "%d\n", bridged_mode);
2826 static struct device_attribute dev_attr_bridged_mode = {
2827 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
2828 .show = netxen_show_bridged_mode,
2829 .store = netxen_store_bridged_mode,
2833 netxen_store_diag_mode(struct device *dev,
2834 struct device_attribute *attr, const char *buf, size_t len)
2836 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2839 if (kstrtoul(buf, 2, &new))
2842 if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2843 adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
2849 netxen_show_diag_mode(struct device *dev,
2850 struct device_attribute *attr, char *buf)
2852 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2854 return sprintf(buf, "%d\n",
2855 !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
2858 static struct device_attribute dev_attr_diag_mode = {
2859 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
2860 .show = netxen_show_diag_mode,
2861 .store = netxen_store_diag_mode,
2865 netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
2866 loff_t offset, size_t size)
2868 size_t crb_size = 4;
2870 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2873 if (offset < NETXEN_PCI_CRBSPACE) {
2874 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2877 if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2878 NETXEN_PCI_CAMQM_2M_END))
2884 if ((size != crb_size) || (offset & (crb_size-1)))
2891 netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj,
2892 struct bin_attribute *attr,
2893 char *buf, loff_t offset, size_t size)
2895 struct device *dev = kobj_to_dev(kobj);
2896 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2901 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2905 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2906 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2907 NETXEN_PCI_CAMQM_2M_END)) {
2908 netxen_pci_camqm_read_2M(adapter, offset, &qmdata);
2909 memcpy(buf, &qmdata, size);
2911 data = NXRD32(adapter, offset);
2912 memcpy(buf, &data, size);
2919 netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj,
2920 struct bin_attribute *attr,
2921 char *buf, loff_t offset, size_t size)
2923 struct device *dev = kobj_to_dev(kobj);
2924 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2929 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2933 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2934 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2935 NETXEN_PCI_CAMQM_2M_END)) {
2936 memcpy(&qmdata, buf, size);
2937 netxen_pci_camqm_write_2M(adapter, offset, qmdata);
2939 memcpy(&data, buf, size);
2940 NXWR32(adapter, offset, data);
2947 netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
2948 loff_t offset, size_t size)
2950 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2953 if ((size != 8) || (offset & 0x7))
2960 netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj,
2961 struct bin_attribute *attr,
2962 char *buf, loff_t offset, size_t size)
2964 struct device *dev = kobj_to_dev(kobj);
2965 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2969 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2973 if (adapter->pci_mem_read(adapter, offset, &data))
2976 memcpy(buf, &data, size);
2981 static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj,
2982 struct bin_attribute *attr, char *buf,
2983 loff_t offset, size_t size)
2985 struct device *dev = kobj_to_dev(kobj);
2986 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2990 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2994 memcpy(&data, buf, size);
2996 if (adapter->pci_mem_write(adapter, offset, data))
3003 static struct bin_attribute bin_attr_crb = {
3004 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
3006 .read = netxen_sysfs_read_crb,
3007 .write = netxen_sysfs_write_crb,
3010 static struct bin_attribute bin_attr_mem = {
3011 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
3013 .read = netxen_sysfs_read_mem,
3014 .write = netxen_sysfs_write_mem,
3018 netxen_sysfs_read_dimm(struct file *filp, struct kobject *kobj,
3019 struct bin_attribute *attr,
3020 char *buf, loff_t offset, size_t size)
3022 struct device *dev = kobj_to_dev(kobj);
3023 struct netxen_adapter *adapter = dev_get_drvdata(dev);
3024 struct net_device *netdev = adapter->netdev;
3025 struct netxen_dimm_cfg dimm;
3026 u8 dw, rows, cols, banks, ranks;
3029 if (size < attr->size) {
3030 netdev_err(netdev, "Invalid size\n");
3034 memset(&dimm, 0, sizeof(struct netxen_dimm_cfg));
3035 val = NXRD32(adapter, NETXEN_DIMM_CAPABILITY);
3037 /* Checks if DIMM info is valid. */
3038 if (val & NETXEN_DIMM_VALID_FLAG) {
3039 netdev_err(netdev, "Invalid DIMM flag\n");
3040 dimm.presence = 0xff;
3044 rows = NETXEN_DIMM_NUMROWS(val);
3045 cols = NETXEN_DIMM_NUMCOLS(val);
3046 ranks = NETXEN_DIMM_NUMRANKS(val);
3047 banks = NETXEN_DIMM_NUMBANKS(val);
3048 dw = NETXEN_DIMM_DATAWIDTH(val);
3050 dimm.presence = (val & NETXEN_DIMM_PRESENT);
3052 /* Checks if DIMM info is present. */
3053 if (!dimm.presence) {
3054 netdev_err(netdev, "DIMM not present\n");
3058 dimm.dimm_type = NETXEN_DIMM_TYPE(val);
3060 switch (dimm.dimm_type) {
3061 case NETXEN_DIMM_TYPE_RDIMM:
3062 case NETXEN_DIMM_TYPE_UDIMM:
3063 case NETXEN_DIMM_TYPE_SO_DIMM:
3064 case NETXEN_DIMM_TYPE_Micro_DIMM:
3065 case NETXEN_DIMM_TYPE_Mini_RDIMM:
3066 case NETXEN_DIMM_TYPE_Mini_UDIMM:
3069 netdev_err(netdev, "Invalid DIMM type %x\n", dimm.dimm_type);
3073 if (val & NETXEN_DIMM_MEMTYPE_DDR2_SDRAM)
3074 dimm.mem_type = NETXEN_DIMM_MEM_DDR2_SDRAM;
3076 dimm.mem_type = NETXEN_DIMM_MEMTYPE(val);
3078 if (val & NETXEN_DIMM_SIZE) {
3079 dimm.size = NETXEN_DIMM_STD_MEM_SIZE;
3084 netdev_err(netdev, "Invalid no of rows %x\n", rows);
3089 netdev_err(netdev, "Invalid no of columns %x\n", cols);
3094 netdev_err(netdev, "Invalid no of banks %x\n", banks);
3126 netdev_err(netdev, "Invalid data-width %x\n", dw);
3130 dimm.size = ((1 << rows) * (1 << cols) * dw * banks * ranks) / 8;
3131 /* Size returned in MB. */
3132 dimm.size = (dimm.size) / 0x100000;
3134 memcpy(buf, &dimm, sizeof(struct netxen_dimm_cfg));
3135 return sizeof(struct netxen_dimm_cfg);
3139 static struct bin_attribute bin_attr_dimm = {
3140 .attr = { .name = "dimm", .mode = (S_IRUGO | S_IWUSR) },
3141 .size = sizeof(struct netxen_dimm_cfg),
3142 .read = netxen_sysfs_read_dimm,
3147 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
3149 struct device *dev = &adapter->pdev->dev;
3151 if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
3152 /* bridged_mode control */
3153 if (device_create_file(dev, &dev_attr_bridged_mode)) {
3155 "failed to create bridged_mode sysfs entry\n");
3161 netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
3163 struct device *dev = &adapter->pdev->dev;
3165 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
3166 device_remove_file(dev, &dev_attr_bridged_mode);
3170 netxen_create_diag_entries(struct netxen_adapter *adapter)
3172 struct pci_dev *pdev = adapter->pdev;
3176 if (device_create_file(dev, &dev_attr_diag_mode))
3177 dev_info(dev, "failed to create diag_mode sysfs entry\n");
3178 if (device_create_bin_file(dev, &bin_attr_crb))
3179 dev_info(dev, "failed to create crb sysfs entry\n");
3180 if (device_create_bin_file(dev, &bin_attr_mem))
3181 dev_info(dev, "failed to create mem sysfs entry\n");
3182 if (device_create_bin_file(dev, &bin_attr_dimm))
3183 dev_info(dev, "failed to create dimm sysfs entry\n");
3188 netxen_remove_diag_entries(struct netxen_adapter *adapter)
3190 struct pci_dev *pdev = adapter->pdev;
3191 struct device *dev = &pdev->dev;
3193 device_remove_file(dev, &dev_attr_diag_mode);
3194 device_remove_bin_file(dev, &bin_attr_crb);
3195 device_remove_bin_file(dev, &bin_attr_mem);
3196 device_remove_bin_file(dev, &bin_attr_dimm);
3201 #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
3204 netxen_destip_supported(struct netxen_adapter *adapter)
3206 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
3209 if (adapter->ahw.cut_through)
3216 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3218 struct nx_ip_list *cur, *tmp_cur;
3220 list_for_each_entry_safe(cur, tmp_cur, &adapter->ip_list, list) {
3223 netxen_config_ipaddr(adapter, cur->ip_addr,
3225 list_del(&cur->list);
3229 netxen_config_ipaddr(adapter, cur->ip_addr, NX_IP_DOWN);
3230 list_del(&cur->list);
3237 netxen_list_config_ip(struct netxen_adapter *adapter,
3238 struct in_ifaddr *ifa, unsigned long event)
3240 struct net_device *dev;
3241 struct nx_ip_list *cur, *tmp_cur;
3242 struct list_head *head;
3245 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3252 list_for_each(head, &adapter->ip_list) {
3253 cur = list_entry(head, struct nx_ip_list, list);
3255 if (cur->ip_addr == ifa->ifa_address)
3259 cur = kzalloc(sizeof(struct nx_ip_list), GFP_ATOMIC);
3262 if (dev->priv_flags & IFF_802_1Q_VLAN)
3263 dev = vlan_dev_real_dev(dev);
3264 cur->master = !!netif_is_bond_master(dev);
3265 cur->ip_addr = ifa->ifa_address;
3266 list_add_tail(&cur->list, &adapter->ip_list);
3267 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
3271 list_for_each_entry_safe(cur, tmp_cur,
3272 &adapter->ip_list, list) {
3273 if (cur->ip_addr == ifa->ifa_address) {
3274 list_del(&cur->list);
3276 netxen_config_ipaddr(adapter, ifa->ifa_address,
3288 netxen_config_indev_addr(struct netxen_adapter *adapter,
3289 struct net_device *dev, unsigned long event)
3291 struct in_device *indev;
3293 if (!netxen_destip_supported(adapter))
3296 indev = in_dev_get(dev);
3303 netxen_list_config_ip(adapter, ifa, NX_IP_UP);
3306 netxen_list_config_ip(adapter, ifa, NX_IP_DOWN);
3311 } endfor_ifa(indev);
3317 netxen_restore_indev_addr(struct net_device *netdev, unsigned long event)
3320 struct netxen_adapter *adapter = netdev_priv(netdev);
3321 struct nx_ip_list *pos, *tmp_pos;
3322 unsigned long ip_event;
3324 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3325 netxen_config_indev_addr(adapter, netdev, event);
3327 list_for_each_entry_safe(pos, tmp_pos, &adapter->ip_list, list) {
3328 netxen_config_ipaddr(adapter, pos->ip_addr, ip_event);
3333 netxen_config_checkdev(struct net_device *dev)
3335 struct netxen_adapter *adapter;
3337 if (!is_netxen_netdev(dev))
3339 adapter = netdev_priv(dev);
3342 if (!netxen_destip_supported(adapter))
3344 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
3351 * netxen_config_master - configure addresses based on master
3352 * @dev: netxen device
3353 * @event: netdev event
3355 static void netxen_config_master(struct net_device *dev, unsigned long event)
3357 struct net_device *master, *slave;
3358 struct netxen_adapter *adapter = netdev_priv(dev);
3361 master = netdev_master_upper_dev_get_rcu(dev);
3363 * This is the case where the netxen nic is being
3364 * enslaved and is dev_open()ed in bond_enslave()
3365 * Now we should program the bond's (and its vlans')
3366 * addresses in the netxen NIC.
3368 if (master && netif_is_bond_master(master) &&
3369 !netif_is_bond_slave(dev)) {
3370 netxen_config_indev_addr(adapter, master, event);
3371 for_each_netdev_rcu(&init_net, slave)
3372 if (slave->priv_flags & IFF_802_1Q_VLAN &&
3373 vlan_dev_real_dev(slave) == master)
3374 netxen_config_indev_addr(adapter, slave, event);
3378 * This is the case where the netxen nic is being
3379 * released and is dev_close()ed in bond_release()
3380 * just before IFF_BONDING is stripped.
3382 if (!master && dev->priv_flags & IFF_BONDING)
3383 netxen_free_ip_list(adapter, true);
3386 static int netxen_netdev_event(struct notifier_block *this,
3387 unsigned long event, void *ptr)
3389 struct netxen_adapter *adapter;
3390 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3391 struct net_device *orig_dev = dev;
3392 struct net_device *slave;
3398 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3399 dev = vlan_dev_real_dev(dev);
3402 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3403 /* If this is a bonding device, look for netxen-based slaves*/
3404 if (netif_is_bond_master(dev)) {
3406 for_each_netdev_in_bond_rcu(dev, slave) {
3407 if (!netxen_config_checkdev(slave))
3409 adapter = netdev_priv(slave);
3410 netxen_config_indev_addr(adapter,
3415 if (!netxen_config_checkdev(dev))
3417 adapter = netdev_priv(dev);
3418 /* Act only if the actual netxen is the target */
3419 if (orig_dev == dev)
3420 netxen_config_master(dev, event);
3421 netxen_config_indev_addr(adapter, orig_dev, event);
3429 netxen_inetaddr_event(struct notifier_block *this,
3430 unsigned long event, void *ptr)
3432 struct netxen_adapter *adapter;
3433 struct net_device *dev, *slave;
3434 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3435 unsigned long ip_event;
3437 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3438 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3443 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3444 dev = vlan_dev_real_dev(dev);
3447 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3448 /* If this is a bonding device, look for netxen-based slaves*/
3449 if (netif_is_bond_master(dev)) {
3451 for_each_netdev_in_bond_rcu(dev, slave) {
3452 if (!netxen_config_checkdev(slave))
3454 adapter = netdev_priv(slave);
3455 netxen_list_config_ip(adapter, ifa, ip_event);
3459 if (!netxen_config_checkdev(dev))
3461 adapter = netdev_priv(dev);
3462 netxen_list_config_ip(adapter, ifa, ip_event);
3469 static struct notifier_block netxen_netdev_cb = {
3470 .notifier_call = netxen_netdev_event,
3473 static struct notifier_block netxen_inetaddr_cb = {
3474 .notifier_call = netxen_inetaddr_event,
3478 netxen_restore_indev_addr(struct net_device *dev, unsigned long event)
3481 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3485 static const struct pci_error_handlers netxen_err_handler = {
3486 .error_detected = netxen_io_error_detected,
3487 .slot_reset = netxen_io_slot_reset,
3488 .resume = netxen_io_resume,
3491 static struct pci_driver netxen_driver = {
3492 .name = netxen_nic_driver_name,
3493 .id_table = netxen_pci_tbl,
3494 .probe = netxen_nic_probe,
3495 .remove = netxen_nic_remove,
3497 .suspend = netxen_nic_suspend,
3498 .resume = netxen_nic_resume,
3500 .shutdown = netxen_nic_shutdown,
3501 .err_handler = &netxen_err_handler
3504 static int __init netxen_init_module(void)
3506 printk(KERN_INFO "%s\n", netxen_nic_driver_string);
3509 register_netdevice_notifier(&netxen_netdev_cb);
3510 register_inetaddr_notifier(&netxen_inetaddr_cb);
3512 return pci_register_driver(&netxen_driver);
3515 module_init(netxen_init_module);
3517 static void __exit netxen_exit_module(void)
3519 pci_unregister_driver(&netxen_driver);
3522 unregister_inetaddr_notifier(&netxen_inetaddr_cb);
3523 unregister_netdevice_notifier(&netxen_netdev_cb);
3527 module_exit(netxen_exit_module);