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, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.
26 #include <linux/vmalloc.h>
27 #include <linux/interrupt.h>
28 #include "netxen_nic_hw.h"
30 #include "netxen_nic.h"
32 #include <linux/dma-mapping.h>
33 #include <linux/if_vlan.h>
35 #include <linux/ipv6.h>
36 #include <linux/inetdevice.h>
37 #include <linux/sysfs.h>
39 MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Converged Ethernet Driver");
40 MODULE_LICENSE("GPL");
41 MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
42 MODULE_FIRMWARE(NX_P2_MN_ROMIMAGE_NAME);
43 MODULE_FIRMWARE(NX_P3_CT_ROMIMAGE_NAME);
44 MODULE_FIRMWARE(NX_P3_MN_ROMIMAGE_NAME);
45 MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME);
47 char netxen_nic_driver_name[] = "netxen_nic";
48 static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v"
49 NETXEN_NIC_LINUX_VERSIONID;
51 static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
53 /* Default to restricted 1G auto-neg mode */
54 static int wol_port_mode = 5;
56 static int use_msi = 1;
58 static int use_msi_x = 1;
60 static unsigned long auto_fw_reset = AUTO_FW_RESET_ENABLED;
62 static int __devinit netxen_nic_probe(struct pci_dev *pdev,
63 const struct pci_device_id *ent);
64 static void __devexit netxen_nic_remove(struct pci_dev *pdev);
65 static int netxen_nic_open(struct net_device *netdev);
66 static int netxen_nic_close(struct net_device *netdev);
67 static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *,
69 static void netxen_tx_timeout(struct net_device *netdev);
70 static void netxen_tx_timeout_task(struct work_struct *work);
71 static void netxen_fw_poll_work(struct work_struct *work);
72 static void netxen_schedule_work(struct netxen_adapter *adapter,
73 work_func_t func, int delay);
74 static void netxen_cancel_fw_work(struct netxen_adapter *adapter);
75 static int netxen_nic_poll(struct napi_struct *napi, int budget);
76 #ifdef CONFIG_NET_POLL_CONTROLLER
77 static void netxen_nic_poll_controller(struct net_device *netdev);
80 static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
81 static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
82 static void netxen_create_diag_entries(struct netxen_adapter *adapter);
83 static void netxen_remove_diag_entries(struct netxen_adapter *adapter);
85 static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter);
86 static int netxen_can_start_firmware(struct netxen_adapter *adapter);
88 static irqreturn_t netxen_intr(int irq, void *data);
89 static irqreturn_t netxen_msi_intr(int irq, void *data);
90 static irqreturn_t netxen_msix_intr(int irq, void *data);
92 static void netxen_config_indev_addr(struct net_device *dev, unsigned long);
94 /* PCI Device ID Table */
95 #define ENTRY(device) \
96 {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
97 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
99 static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
100 ENTRY(PCI_DEVICE_ID_NX2031_10GXSR),
101 ENTRY(PCI_DEVICE_ID_NX2031_10GCX4),
102 ENTRY(PCI_DEVICE_ID_NX2031_4GCU),
103 ENTRY(PCI_DEVICE_ID_NX2031_IMEZ),
104 ENTRY(PCI_DEVICE_ID_NX2031_HMEZ),
105 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT),
106 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2),
107 ENTRY(PCI_DEVICE_ID_NX3031),
111 MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
113 static uint32_t crb_cmd_producer[4] = {
114 CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
115 CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
119 netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
120 struct nx_host_tx_ring *tx_ring)
122 NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer);
124 if (netxen_tx_avail(tx_ring) <= TX_STOP_THRESH) {
125 netif_stop_queue(adapter->netdev);
130 static uint32_t crb_cmd_consumer[4] = {
131 CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1,
132 CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3
136 netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
137 struct nx_host_tx_ring *tx_ring)
139 NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer);
142 static uint32_t msi_tgt_status[8] = {
143 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
144 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
145 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
146 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
149 static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
151 static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring)
153 struct netxen_adapter *adapter = sds_ring->adapter;
155 NXWRIO(adapter, sds_ring->crb_intr_mask, 0);
158 static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring)
160 struct netxen_adapter *adapter = sds_ring->adapter;
162 NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1);
164 if (!NETXEN_IS_MSI_FAMILY(adapter))
165 NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff);
169 netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count)
171 int size = sizeof(struct nx_host_sds_ring) * count;
173 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
175 return (recv_ctx->sds_rings == NULL);
179 netxen_free_sds_rings(struct netxen_recv_context *recv_ctx)
181 if (recv_ctx->sds_rings != NULL)
182 kfree(recv_ctx->sds_rings);
184 recv_ctx->sds_rings = NULL;
188 netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
191 struct nx_host_sds_ring *sds_ring;
192 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
194 if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
197 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
198 sds_ring = &recv_ctx->sds_rings[ring];
199 netif_napi_add(netdev, &sds_ring->napi,
200 netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
207 netxen_napi_del(struct netxen_adapter *adapter)
210 struct nx_host_sds_ring *sds_ring;
211 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
213 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
214 sds_ring = &recv_ctx->sds_rings[ring];
215 netif_napi_del(&sds_ring->napi);
218 netxen_free_sds_rings(&adapter->recv_ctx);
222 netxen_napi_enable(struct netxen_adapter *adapter)
225 struct nx_host_sds_ring *sds_ring;
226 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
228 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
229 sds_ring = &recv_ctx->sds_rings[ring];
230 napi_enable(&sds_ring->napi);
231 netxen_nic_enable_int(sds_ring);
236 netxen_napi_disable(struct netxen_adapter *adapter)
239 struct nx_host_sds_ring *sds_ring;
240 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
242 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
243 sds_ring = &recv_ctx->sds_rings[ring];
244 netxen_nic_disable_int(sds_ring);
245 napi_synchronize(&sds_ring->napi);
246 napi_disable(&sds_ring->napi);
250 static int nx_set_dma_mask(struct netxen_adapter *adapter)
252 struct pci_dev *pdev = adapter->pdev;
253 uint64_t mask, cmask;
255 adapter->pci_using_dac = 0;
257 mask = DMA_BIT_MASK(32);
258 cmask = DMA_BIT_MASK(32);
260 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
262 mask = DMA_BIT_MASK(35);
265 mask = DMA_BIT_MASK(39);
269 if (pci_set_dma_mask(pdev, mask) == 0 &&
270 pci_set_consistent_dma_mask(pdev, cmask) == 0) {
271 adapter->pci_using_dac = 1;
278 /* Update addressable range if firmware supports it */
280 nx_update_dma_mask(struct netxen_adapter *adapter)
282 int change, shift, err;
283 uint64_t mask, old_mask, old_cmask;
284 struct pci_dev *pdev = adapter->pdev;
288 shift = NXRD32(adapter, CRB_DMA_SHIFT);
292 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9))
294 else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4))
298 old_mask = pdev->dma_mask;
299 old_cmask = pdev->dev.coherent_dma_mask;
301 mask = DMA_BIT_MASK(32+shift);
303 err = pci_set_dma_mask(pdev, mask);
307 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
309 err = pci_set_consistent_dma_mask(pdev, mask);
313 dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift);
319 pci_set_dma_mask(pdev, old_mask);
320 pci_set_consistent_dma_mask(pdev, old_cmask);
325 netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
329 if (first_boot == 0x55555555) {
330 /* This is the first boot after power up */
331 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
333 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
336 /* PCI bus master workaround */
337 first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4));
338 if (!(first_boot & 0x4)) {
340 NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot);
341 first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4));
344 /* This is the first boot after power up */
345 first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET);
346 if (first_boot != 0x80000f) {
347 /* clear the register for future unloads/loads */
348 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0);
352 /* Start P2 boot loader */
353 val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
354 NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1);
358 val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
360 if (++timeout > 5000)
363 } while (val == NETXEN_BDINFO_MAGIC);
368 static void netxen_set_port_mode(struct netxen_adapter *adapter)
372 val = adapter->ahw.board_type;
373 if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
374 (val == NETXEN_BRDTYPE_P3_XG_LOM)) {
375 if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
376 data = NETXEN_PORT_MODE_802_3_AP;
377 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
378 } else if (port_mode == NETXEN_PORT_MODE_XG) {
379 data = NETXEN_PORT_MODE_XG;
380 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
381 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) {
382 data = NETXEN_PORT_MODE_AUTO_NEG_1G;
383 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
384 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) {
385 data = NETXEN_PORT_MODE_AUTO_NEG_XG;
386 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
388 data = NETXEN_PORT_MODE_AUTO_NEG;
389 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
392 if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) &&
393 (wol_port_mode != NETXEN_PORT_MODE_XG) &&
394 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) &&
395 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) {
396 wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG;
398 NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode);
402 static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
407 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
409 pci_read_config_dword(pdev, pos, &control);
411 control |= PCI_MSIX_FLAGS_ENABLE;
414 pci_write_config_dword(pdev, pos, control);
418 static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count)
422 for (i = 0; i < count; i++)
423 adapter->msix_entries[i].entry = i;
427 netxen_read_mac_addr(struct netxen_adapter *adapter)
432 struct net_device *netdev = adapter->netdev;
433 struct pci_dev *pdev = adapter->pdev;
435 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
436 if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
439 if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0)
443 p = (unsigned char *)&mac_addr;
444 for (i = 0; i < 6; i++)
445 netdev->dev_addr[i] = *(p + 5 - i);
447 memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
448 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
450 /* set station address */
452 if (!is_valid_ether_addr(netdev->perm_addr))
453 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr);
458 int netxen_nic_set_mac(struct net_device *netdev, void *p)
460 struct netxen_adapter *adapter = netdev_priv(netdev);
461 struct sockaddr *addr = p;
463 if (!is_valid_ether_addr(addr->sa_data))
466 if (netif_running(netdev)) {
467 netif_device_detach(netdev);
468 netxen_napi_disable(adapter);
471 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
472 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
473 adapter->macaddr_set(adapter, addr->sa_data);
475 if (netif_running(netdev)) {
476 netif_device_attach(netdev);
477 netxen_napi_enable(adapter);
482 static void netxen_set_multicast_list(struct net_device *dev)
484 struct netxen_adapter *adapter = netdev_priv(dev);
486 adapter->set_multi(dev);
489 static const struct net_device_ops netxen_netdev_ops = {
490 .ndo_open = netxen_nic_open,
491 .ndo_stop = netxen_nic_close,
492 .ndo_start_xmit = netxen_nic_xmit_frame,
493 .ndo_get_stats = netxen_nic_get_stats,
494 .ndo_validate_addr = eth_validate_addr,
495 .ndo_set_multicast_list = netxen_set_multicast_list,
496 .ndo_set_mac_address = netxen_nic_set_mac,
497 .ndo_change_mtu = netxen_nic_change_mtu,
498 .ndo_tx_timeout = netxen_tx_timeout,
499 #ifdef CONFIG_NET_POLL_CONTROLLER
500 .ndo_poll_controller = netxen_nic_poll_controller,
505 netxen_setup_intr(struct netxen_adapter *adapter)
507 struct netxen_legacy_intr_set *legacy_intrp;
508 struct pci_dev *pdev = adapter->pdev;
511 if (adapter->rss_supported) {
512 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
513 MSIX_ENTRIES_PER_ADAPTER : 2;
517 adapter->max_sds_rings = 1;
519 adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
521 if (adapter->ahw.revision_id >= NX_P3_B0)
522 legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
524 legacy_intrp = &legacy_intr[0];
526 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
527 adapter->tgt_status_reg = netxen_get_ioaddr(adapter,
528 legacy_intrp->tgt_status_reg);
529 adapter->tgt_mask_reg = netxen_get_ioaddr(adapter,
530 legacy_intrp->tgt_mask_reg);
531 adapter->pci_int_reg = netxen_get_ioaddr(adapter,
532 legacy_intrp->pci_int_reg);
533 adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR);
535 if (adapter->ahw.revision_id >= NX_P3_B1)
536 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
539 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
542 netxen_set_msix_bit(pdev, 0);
544 if (adapter->msix_supported) {
546 netxen_init_msix_entries(adapter, num_msix);
547 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
549 adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
550 netxen_set_msix_bit(pdev, 1);
552 if (adapter->rss_supported)
553 adapter->max_sds_rings = num_msix;
555 dev_info(&pdev->dev, "using msi-x interrupts\n");
560 pci_disable_msix(pdev);
562 /* fall through for msi */
565 if (use_msi && !pci_enable_msi(pdev)) {
566 adapter->flags |= NETXEN_NIC_MSI_ENABLED;
567 adapter->tgt_status_reg = netxen_get_ioaddr(adapter,
568 msi_tgt_status[adapter->ahw.pci_func]);
569 dev_info(&pdev->dev, "using msi interrupts\n");
570 adapter->msix_entries[0].vector = pdev->irq;
574 dev_info(&pdev->dev, "using legacy interrupts\n");
575 adapter->msix_entries[0].vector = pdev->irq;
579 netxen_teardown_intr(struct netxen_adapter *adapter)
581 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
582 pci_disable_msix(adapter->pdev);
583 if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
584 pci_disable_msi(adapter->pdev);
588 netxen_cleanup_pci_map(struct netxen_adapter *adapter)
590 if (adapter->ahw.db_base != NULL)
591 iounmap(adapter->ahw.db_base);
592 if (adapter->ahw.pci_base0 != NULL)
593 iounmap(adapter->ahw.pci_base0);
594 if (adapter->ahw.pci_base1 != NULL)
595 iounmap(adapter->ahw.pci_base1);
596 if (adapter->ahw.pci_base2 != NULL)
597 iounmap(adapter->ahw.pci_base2);
601 netxen_setup_pci_map(struct netxen_adapter *adapter)
603 void __iomem *mem_ptr0 = NULL;
604 void __iomem *mem_ptr1 = NULL;
605 void __iomem *mem_ptr2 = NULL;
606 void __iomem *db_ptr = NULL;
608 resource_size_t mem_base, db_base;
609 unsigned long mem_len, db_len = 0, pci_len0 = 0;
611 struct pci_dev *pdev = adapter->pdev;
612 int pci_func = adapter->ahw.pci_func;
617 * Set the CRB window to invalid. If any register in window 0 is
618 * accessed it should set the window to 0 and then reset it to 1.
620 adapter->ahw.crb_win = -1;
621 adapter->ahw.ocm_win = -1;
623 /* remap phys address */
624 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
625 mem_len = pci_resource_len(pdev, 0);
627 /* 128 Meg of memory */
628 if (mem_len == NETXEN_PCI_128MB_SIZE) {
629 mem_ptr0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
630 mem_ptr1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
631 SECOND_PAGE_GROUP_SIZE);
632 mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
633 THIRD_PAGE_GROUP_SIZE);
634 pci_len0 = FIRST_PAGE_GROUP_SIZE;
635 } else if (mem_len == NETXEN_PCI_32MB_SIZE) {
636 mem_ptr1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
637 mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
638 SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
639 } else if (mem_len == NETXEN_PCI_2MB_SIZE) {
641 mem_ptr0 = pci_ioremap_bar(pdev, 0);
642 if (mem_ptr0 == NULL) {
643 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
651 netxen_setup_hwops(adapter);
653 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
655 adapter->ahw.pci_base0 = mem_ptr0;
656 adapter->ahw.pci_len0 = pci_len0;
657 adapter->ahw.pci_base1 = mem_ptr1;
658 adapter->ahw.pci_base2 = mem_ptr2;
660 if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
661 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
662 NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
664 } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
665 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
666 NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
669 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
672 db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
673 db_len = pci_resource_len(pdev, 4);
676 printk(KERN_ERR "%s: doorbell is disabled\n",
677 netxen_nic_driver_name);
682 db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
684 printk(KERN_ERR "%s: Failed to allocate doorbell map.",
685 netxen_nic_driver_name);
691 adapter->ahw.db_base = db_ptr;
692 adapter->ahw.db_len = db_len;
696 netxen_cleanup_pci_map(adapter);
701 netxen_check_options(struct netxen_adapter *adapter)
703 u32 fw_major, fw_minor, fw_build;
704 char brd_name[NETXEN_MAX_SHORT_NAME];
708 struct pci_dev *pdev = adapter->pdev;
710 adapter->driver_mismatch = 0;
712 ptr32 = (int *)&serial_num;
713 offset = NX_FW_SERIAL_NUM_OFFSET;
714 for (i = 0; i < 8; i++) {
715 if (netxen_rom_fast_read(adapter, offset, &val) == -1) {
716 dev_err(&pdev->dev, "error reading board info\n");
717 adapter->driver_mismatch = 1;
720 ptr32[i] = cpu_to_le32(val);
721 offset += sizeof(u32);
724 fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
725 fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
726 fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
728 adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
730 if (adapter->portnum == 0) {
731 get_brd_name_by_type(adapter->ahw.board_type, brd_name);
733 pr_info("%s: %s Board S/N %s Chip rev 0x%x\n",
734 module_name(THIS_MODULE),
735 brd_name, serial_num, adapter->ahw.revision_id);
738 if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) {
739 adapter->driver_mismatch = 1;
740 dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n",
741 fw_major, fw_minor, fw_build);
745 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
746 i = NXRD32(adapter, NETXEN_SRE_MISC);
747 adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0;
750 dev_info(&pdev->dev, "firmware v%d.%d.%d [%s]\n",
751 fw_major, fw_minor, fw_build,
752 adapter->ahw.cut_through ? "cut-through" : "legacy");
754 if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
755 adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
757 adapter->flags &= ~NETXEN_NIC_LRO_ENABLED;
759 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
760 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
761 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
762 } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
763 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
764 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
767 adapter->msix_supported = 0;
768 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
769 adapter->msix_supported = !!use_msi_x;
770 adapter->rss_supported = !!use_msi_x;
771 } else if (adapter->fw_version >= NETXEN_VERSION_CODE(3, 4, 336)) {
772 switch (adapter->ahw.board_type) {
773 case NETXEN_BRDTYPE_P2_SB31_10G:
774 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
775 adapter->msix_supported = !!use_msi_x;
776 adapter->rss_supported = !!use_msi_x;
783 adapter->num_txd = MAX_CMD_DESCRIPTORS;
785 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
786 adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
787 adapter->max_rds_rings = 3;
789 adapter->num_lro_rxd = 0;
790 adapter->max_rds_rings = 2;
795 netxen_start_firmware(struct netxen_adapter *adapter)
797 int val, err, first_boot;
798 struct pci_dev *pdev = adapter->pdev;
800 /* required for NX2031 dummy dma */
801 err = nx_set_dma_mask(adapter);
805 if (!netxen_can_start_firmware(adapter))
808 first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
810 err = netxen_check_hw_init(adapter, first_boot);
812 dev_err(&pdev->dev, "error in init HW init sequence\n");
816 netxen_request_firmware(adapter);
818 err = netxen_need_fw_reset(adapter);
824 if (first_boot != 0x55555555) {
825 NXWR32(adapter, CRB_CMDPEG_STATE, 0);
826 netxen_pinit_from_rom(adapter);
830 NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555);
831 NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0);
832 NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0);
834 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
835 netxen_set_port_mode(adapter);
837 err = netxen_load_firmware(adapter);
841 netxen_release_firmware(adapter);
843 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
845 /* Initialize multicast addr pool owners */
847 if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
849 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
853 err = netxen_init_dummy_dma(adapter);
858 * Tell the hardware our version number.
860 val = (_NETXEN_NIC_LINUX_MAJOR << 16)
861 | ((_NETXEN_NIC_LINUX_MINOR << 8))
862 | (_NETXEN_NIC_LINUX_SUBVERSION);
863 NXWR32(adapter, CRB_DRIVER_VERSION, val);
866 /* Handshake with the card before we register the devices. */
867 err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
869 netxen_free_dummy_dma(adapter);
873 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
875 nx_update_dma_mask(adapter);
877 netxen_check_options(adapter);
879 adapter->need_fw_reset = 0;
881 /* fall through and release firmware */
884 netxen_release_firmware(adapter);
889 netxen_nic_request_irq(struct netxen_adapter *adapter)
891 irq_handler_t handler;
892 struct nx_host_sds_ring *sds_ring;
895 unsigned long flags = IRQF_SAMPLE_RANDOM;
896 struct net_device *netdev = adapter->netdev;
897 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
899 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
900 handler = netxen_msix_intr;
901 else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
902 handler = netxen_msi_intr;
904 flags |= IRQF_SHARED;
905 handler = netxen_intr;
907 adapter->irq = netdev->irq;
909 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
910 sds_ring = &recv_ctx->sds_rings[ring];
911 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
912 err = request_irq(sds_ring->irq, handler,
913 flags, sds_ring->name, sds_ring);
922 netxen_nic_free_irq(struct netxen_adapter *adapter)
925 struct nx_host_sds_ring *sds_ring;
927 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
929 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
930 sds_ring = &recv_ctx->sds_rings[ring];
931 free_irq(sds_ring->irq, sds_ring);
936 netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter)
938 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
939 adapter->coal.normal.data.rx_time_us =
940 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
941 adapter->coal.normal.data.rx_packets =
942 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
943 adapter->coal.normal.data.tx_time_us =
944 NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US;
945 adapter->coal.normal.data.tx_packets =
946 NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
951 __netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
955 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
958 err = adapter->init_port(adapter, adapter->physical_port);
960 printk(KERN_ERR "%s: Failed to initialize port %d\n",
961 netxen_nic_driver_name, adapter->portnum);
964 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
965 adapter->macaddr_set(adapter, adapter->mac_addr);
967 adapter->set_multi(netdev);
968 adapter->set_mtu(adapter, netdev->mtu);
970 adapter->ahw.linkup = 0;
972 if (adapter->max_sds_rings > 1)
973 netxen_config_rss(adapter, 1);
975 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
976 netxen_config_intr_coalesce(adapter);
978 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
979 netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED);
981 netxen_napi_enable(adapter);
983 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
984 netxen_linkevent_request(adapter, 1);
986 netxen_nic_set_link_parameters(adapter);
988 set_bit(__NX_DEV_UP, &adapter->state);
992 /* Usage: During resume and firmware recovery module.*/
995 netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1000 if (netif_running(netdev))
1001 err = __netxen_nic_up(adapter, netdev);
1007 /* with rtnl_lock */
1009 __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1011 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1014 if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state))
1018 spin_lock(&adapter->tx_clean_lock);
1019 netif_carrier_off(netdev);
1020 netif_tx_disable(netdev);
1022 if (adapter->stop_port)
1023 adapter->stop_port(adapter);
1025 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1026 netxen_p3_free_mac_list(adapter);
1028 adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
1030 netxen_napi_disable(adapter);
1032 netxen_release_tx_buffers(adapter);
1033 spin_unlock(&adapter->tx_clean_lock);
1036 /* Usage: During suspend and firmware recovery module */
1039 netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1042 if (netif_running(netdev))
1043 __netxen_nic_down(adapter, netdev);
1049 netxen_nic_attach(struct netxen_adapter *adapter)
1051 struct net_device *netdev = adapter->netdev;
1052 struct pci_dev *pdev = adapter->pdev;
1054 struct nx_host_rds_ring *rds_ring;
1055 struct nx_host_tx_ring *tx_ring;
1057 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
1060 err = netxen_init_firmware(adapter);
1064 err = netxen_napi_add(adapter, netdev);
1068 err = netxen_alloc_sw_resources(adapter);
1070 printk(KERN_ERR "%s: Error in setting sw resources\n",
1075 err = netxen_alloc_hw_resources(adapter);
1077 printk(KERN_ERR "%s: Error in setting hw resources\n",
1079 goto err_out_free_sw;
1082 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1083 tx_ring = adapter->tx_ring;
1084 tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
1085 crb_cmd_producer[adapter->portnum]);
1086 tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter,
1087 crb_cmd_consumer[adapter->portnum]);
1089 tx_ring->producer = 0;
1090 tx_ring->sw_consumer = 0;
1092 netxen_nic_update_cmd_producer(adapter, tx_ring);
1093 netxen_nic_update_cmd_consumer(adapter, tx_ring);
1096 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1097 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1098 netxen_post_rx_buffers(adapter, ring, rds_ring);
1101 err = netxen_nic_request_irq(adapter);
1103 dev_err(&pdev->dev, "%s: failed to setup interrupt\n",
1105 goto err_out_free_rxbuf;
1108 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1109 netxen_nic_init_coalesce_defaults(adapter);
1111 netxen_create_sysfs_entries(adapter);
1113 adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
1117 netxen_release_rx_buffers(adapter);
1118 netxen_free_hw_resources(adapter);
1120 netxen_free_sw_resources(adapter);
1125 netxen_nic_detach(struct netxen_adapter *adapter)
1127 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1130 netxen_remove_sysfs_entries(adapter);
1132 netxen_free_hw_resources(adapter);
1133 netxen_release_rx_buffers(adapter);
1134 netxen_nic_free_irq(adapter);
1135 netxen_napi_del(adapter);
1136 netxen_free_sw_resources(adapter);
1142 netxen_nic_reset_context(struct netxen_adapter *adapter)
1145 struct net_device *netdev = adapter->netdev;
1147 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
1150 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
1152 netif_device_detach(netdev);
1154 if (netif_running(netdev))
1155 __netxen_nic_down(adapter, netdev);
1157 netxen_nic_detach(adapter);
1159 if (netif_running(netdev)) {
1160 err = netxen_nic_attach(adapter);
1162 err = __netxen_nic_up(adapter, netdev);
1168 netif_device_attach(netdev);
1172 clear_bit(__NX_RESETTING, &adapter->state);
1177 netxen_setup_netdev(struct netxen_adapter *adapter,
1178 struct net_device *netdev)
1181 struct pci_dev *pdev = adapter->pdev;
1183 adapter->rx_csum = 1;
1184 adapter->mc_enabled = 0;
1185 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1186 adapter->max_mc_count = 38;
1188 adapter->max_mc_count = 16;
1190 netdev->netdev_ops = &netxen_netdev_ops;
1191 netdev->watchdog_timeo = 2*HZ;
1193 netxen_nic_change_mtu(netdev, netdev->mtu);
1195 SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
1197 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
1198 netdev->features |= (NETIF_F_GRO);
1199 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
1201 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
1202 netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
1203 netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
1206 if (adapter->pci_using_dac) {
1207 netdev->features |= NETIF_F_HIGHDMA;
1208 netdev->vlan_features |= NETIF_F_HIGHDMA;
1211 if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX)
1212 netdev->features |= (NETIF_F_HW_VLAN_TX);
1214 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
1215 netdev->features |= NETIF_F_LRO;
1217 netdev->irq = adapter->msix_entries[0].vector;
1219 INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
1221 if (netxen_read_mac_addr(adapter))
1222 dev_warn(&pdev->dev, "failed to read mac addr\n");
1224 netif_carrier_off(netdev);
1225 netif_stop_queue(netdev);
1227 err = register_netdev(netdev);
1229 dev_err(&pdev->dev, "failed to register net device\n");
1236 static int __devinit
1237 netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1239 struct net_device *netdev = NULL;
1240 struct netxen_adapter *adapter = NULL;
1242 int pci_func_id = PCI_FUNC(pdev->devfn);
1243 uint8_t revision_id;
1245 if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) {
1246 pr_warning("%s: chip revisions between 0x%x-0x%x"
1247 "will not be enabled.\n",
1248 module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
1252 if ((err = pci_enable_device(pdev)))
1255 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1257 goto err_out_disable_pdev;
1260 if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
1261 goto err_out_disable_pdev;
1263 pci_set_master(pdev);
1265 netdev = alloc_etherdev(sizeof(struct netxen_adapter));
1267 dev_err(&pdev->dev, "failed to allocate net_device\n");
1269 goto err_out_free_res;
1272 SET_NETDEV_DEV(netdev, &pdev->dev);
1274 adapter = netdev_priv(netdev);
1275 adapter->netdev = netdev;
1276 adapter->pdev = pdev;
1277 adapter->ahw.pci_func = pci_func_id;
1279 revision_id = pdev->revision;
1280 adapter->ahw.revision_id = revision_id;
1282 rwlock_init(&adapter->ahw.crb_lock);
1283 spin_lock_init(&adapter->ahw.mem_lock);
1285 spin_lock_init(&adapter->tx_clean_lock);
1286 INIT_LIST_HEAD(&adapter->mac_list);
1288 err = netxen_setup_pci_map(adapter);
1290 goto err_out_free_netdev;
1292 /* This will be reset for mezz cards */
1293 adapter->portnum = pci_func_id;
1295 err = netxen_nic_get_board_info(adapter);
1297 dev_err(&pdev->dev, "Error getting board config info.\n");
1298 goto err_out_iounmap;
1301 /* Mezz cards have PCI function 0,2,3 enabled */
1302 switch (adapter->ahw.board_type) {
1303 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1304 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1305 if (pci_func_id >= 2)
1306 adapter->portnum = pci_func_id - 2;
1312 err = netxen_start_firmware(adapter);
1314 goto err_out_decr_ref;
1317 * See if the firmware gave us a virtual-physical port mapping.
1319 adapter->physical_port = adapter->portnum;
1320 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1321 i = NXRD32(adapter, CRB_V2P(adapter->portnum));
1322 if (i != 0x55555555)
1323 adapter->physical_port = i;
1326 netxen_nic_clear_stats(adapter);
1328 netxen_setup_intr(adapter);
1330 err = netxen_setup_netdev(adapter, netdev);
1332 goto err_out_disable_msi;
1334 pci_set_drvdata(pdev, adapter);
1336 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1338 switch (adapter->ahw.port_type) {
1339 case NETXEN_NIC_GBE:
1340 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1341 adapter->netdev->name);
1343 case NETXEN_NIC_XGBE:
1344 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1345 adapter->netdev->name);
1349 netxen_create_diag_entries(adapter);
1353 err_out_disable_msi:
1354 netxen_teardown_intr(adapter);
1356 netxen_free_dummy_dma(adapter);
1359 nx_decr_dev_ref_cnt(adapter);
1362 netxen_cleanup_pci_map(adapter);
1364 err_out_free_netdev:
1365 free_netdev(netdev);
1368 pci_release_regions(pdev);
1370 err_out_disable_pdev:
1371 pci_set_drvdata(pdev, NULL);
1372 pci_disable_device(pdev);
1376 static void __devexit netxen_nic_remove(struct pci_dev *pdev)
1378 struct netxen_adapter *adapter;
1379 struct net_device *netdev;
1381 adapter = pci_get_drvdata(pdev);
1382 if (adapter == NULL)
1385 netdev = adapter->netdev;
1387 netxen_cancel_fw_work(adapter);
1389 unregister_netdev(netdev);
1391 cancel_work_sync(&adapter->tx_timeout_task);
1393 netxen_nic_detach(adapter);
1395 nx_decr_dev_ref_cnt(adapter);
1397 if (adapter->portnum == 0)
1398 netxen_free_dummy_dma(adapter);
1400 clear_bit(__NX_RESETTING, &adapter->state);
1402 netxen_teardown_intr(adapter);
1404 netxen_remove_diag_entries(adapter);
1406 netxen_cleanup_pci_map(adapter);
1408 netxen_release_firmware(adapter);
1410 pci_release_regions(pdev);
1411 pci_disable_device(pdev);
1412 pci_set_drvdata(pdev, NULL);
1414 free_netdev(netdev);
1416 static int __netxen_nic_shutdown(struct pci_dev *pdev)
1418 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1419 struct net_device *netdev = adapter->netdev;
1422 netif_device_detach(netdev);
1424 netxen_cancel_fw_work(adapter);
1426 if (netif_running(netdev))
1427 netxen_nic_down(adapter, netdev);
1429 cancel_work_sync(&adapter->tx_timeout_task);
1431 netxen_nic_detach(adapter);
1433 if (adapter->portnum == 0)
1434 netxen_free_dummy_dma(adapter);
1436 nx_decr_dev_ref_cnt(adapter);
1438 clear_bit(__NX_RESETTING, &adapter->state);
1440 retval = pci_save_state(pdev);
1444 if (netxen_nic_wol_supported(adapter)) {
1445 pci_enable_wake(pdev, PCI_D3cold, 1);
1446 pci_enable_wake(pdev, PCI_D3hot, 1);
1449 pci_disable_device(pdev);
1453 static void netxen_nic_shutdown(struct pci_dev *pdev)
1455 if (__netxen_nic_shutdown(pdev))
1460 netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
1464 retval = __netxen_nic_shutdown(pdev);
1468 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1473 netxen_nic_resume(struct pci_dev *pdev)
1475 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1476 struct net_device *netdev = adapter->netdev;
1479 pci_set_power_state(pdev, PCI_D0);
1480 pci_restore_state(pdev);
1482 err = pci_enable_device(pdev);
1486 adapter->ahw.crb_win = -1;
1487 adapter->ahw.ocm_win = -1;
1489 err = netxen_start_firmware(adapter);
1491 dev_err(&pdev->dev, "failed to start firmware\n");
1495 if (netif_running(netdev)) {
1496 err = netxen_nic_attach(adapter);
1500 err = netxen_nic_up(adapter, netdev);
1502 goto err_out_detach;
1504 netif_device_attach(netdev);
1506 netxen_config_indev_addr(netdev, NETDEV_UP);
1509 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1513 netxen_nic_detach(adapter);
1515 nx_decr_dev_ref_cnt(adapter);
1520 static int netxen_nic_open(struct net_device *netdev)
1522 struct netxen_adapter *adapter = netdev_priv(netdev);
1525 if (adapter->driver_mismatch)
1528 err = netxen_nic_attach(adapter);
1532 err = __netxen_nic_up(adapter, netdev);
1536 netif_start_queue(netdev);
1541 netxen_nic_detach(adapter);
1546 * netxen_nic_close - Disables a network interface entry point
1548 static int netxen_nic_close(struct net_device *netdev)
1550 struct netxen_adapter *adapter = netdev_priv(netdev);
1552 __netxen_nic_down(adapter, netdev);
1557 netxen_tso_check(struct net_device *netdev,
1558 struct nx_host_tx_ring *tx_ring,
1559 struct cmd_desc_type0 *first_desc,
1560 struct sk_buff *skb)
1562 u8 opcode = TX_ETHER_PKT;
1563 __be16 protocol = skb->protocol;
1564 u16 flags = 0, vid = 0;
1566 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1567 struct cmd_desc_type0 *hwdesc;
1568 struct vlan_ethhdr *vh;
1570 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
1572 vh = (struct vlan_ethhdr *)skb->data;
1573 protocol = vh->h_vlan_encapsulated_proto;
1574 flags = FLAGS_VLAN_TAGGED;
1576 } else if (vlan_tx_tag_present(skb)) {
1578 flags = FLAGS_VLAN_OOB;
1579 vid = vlan_tx_tag_get(skb);
1580 netxen_set_tx_vlan_tci(first_desc, vid);
1584 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1585 skb_shinfo(skb)->gso_size > 0) {
1587 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1589 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1590 first_desc->total_hdr_length = hdr_len;
1592 first_desc->total_hdr_length += VLAN_HLEN;
1593 first_desc->tcp_hdr_offset = VLAN_HLEN;
1594 first_desc->ip_hdr_offset = VLAN_HLEN;
1595 /* Only in case of TSO on vlan device */
1596 flags |= FLAGS_VLAN_TAGGED;
1599 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1600 TX_TCP_LSO6 : TX_TCP_LSO;
1603 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1606 if (protocol == cpu_to_be16(ETH_P_IP)) {
1607 l4proto = ip_hdr(skb)->protocol;
1609 if (l4proto == IPPROTO_TCP)
1610 opcode = TX_TCP_PKT;
1611 else if(l4proto == IPPROTO_UDP)
1612 opcode = TX_UDP_PKT;
1613 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1614 l4proto = ipv6_hdr(skb)->nexthdr;
1616 if (l4proto == IPPROTO_TCP)
1617 opcode = TX_TCPV6_PKT;
1618 else if(l4proto == IPPROTO_UDP)
1619 opcode = TX_UDPV6_PKT;
1623 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1624 first_desc->ip_hdr_offset += skb_network_offset(skb);
1625 netxen_set_tx_flags_opcode(first_desc, flags, opcode);
1630 /* For LSO, we need to copy the MAC/IP/TCP headers into
1631 * the descriptor ring
1633 producer = tx_ring->producer;
1638 /* Create a TSO vlan header template for firmware */
1640 hwdesc = &tx_ring->desc_head[producer];
1641 tx_ring->cmd_buf_arr[producer].skb = NULL;
1643 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1644 hdr_len + VLAN_HLEN);
1646 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1647 skb_copy_from_linear_data(skb, vh, 12);
1648 vh->h_vlan_proto = htons(ETH_P_8021Q);
1649 vh->h_vlan_TCI = htons(vid);
1650 skb_copy_from_linear_data_offset(skb, 12,
1651 (char *)vh + 16, copy_len - 16);
1653 copied = copy_len - VLAN_HLEN;
1656 producer = get_next_index(producer, tx_ring->num_desc);
1659 while (copied < hdr_len) {
1661 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1662 (hdr_len - copied));
1664 hwdesc = &tx_ring->desc_head[producer];
1665 tx_ring->cmd_buf_arr[producer].skb = NULL;
1667 skb_copy_from_linear_data_offset(skb, copied,
1668 (char *)hwdesc + offset, copy_len);
1673 producer = get_next_index(producer, tx_ring->num_desc);
1676 tx_ring->producer = producer;
1681 netxen_map_tx_skb(struct pci_dev *pdev,
1682 struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
1684 struct netxen_skb_frag *nf;
1685 struct skb_frag_struct *frag;
1689 nr_frags = skb_shinfo(skb)->nr_frags;
1690 nf = &pbuf->frag_array[0];
1692 map = pci_map_single(pdev, skb->data,
1693 skb_headlen(skb), PCI_DMA_TODEVICE);
1694 if (pci_dma_mapping_error(pdev, map))
1698 nf->length = skb_headlen(skb);
1700 for (i = 0; i < nr_frags; i++) {
1701 frag = &skb_shinfo(skb)->frags[i];
1702 nf = &pbuf->frag_array[i+1];
1704 map = pci_map_page(pdev, frag->page, frag->page_offset,
1705 frag->size, PCI_DMA_TODEVICE);
1706 if (pci_dma_mapping_error(pdev, map))
1710 nf->length = frag->size;
1717 nf = &pbuf->frag_array[i+1];
1718 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
1721 nf = &pbuf->frag_array[0];
1722 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
1729 netxen_clear_cmddesc(u64 *desc)
1736 netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
1738 struct netxen_adapter *adapter = netdev_priv(netdev);
1739 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
1740 struct netxen_cmd_buffer *pbuf;
1741 struct netxen_skb_frag *buffrag;
1742 struct cmd_desc_type0 *hwdesc, *first_desc;
1743 struct pci_dev *pdev;
1747 int frag_count, no_of_desc;
1748 u32 num_txd = tx_ring->num_desc;
1750 frag_count = skb_shinfo(skb)->nr_frags + 1;
1752 /* 4 fragments per cmd des */
1753 no_of_desc = (frag_count + 3) >> 2;
1755 if (unlikely(no_of_desc + 2 > netxen_tx_avail(tx_ring))) {
1756 netif_stop_queue(netdev);
1757 return NETDEV_TX_BUSY;
1760 producer = tx_ring->producer;
1761 pbuf = &tx_ring->cmd_buf_arr[producer];
1763 pdev = adapter->pdev;
1765 if (netxen_map_tx_skb(pdev, skb, pbuf))
1769 pbuf->frag_count = frag_count;
1771 first_desc = hwdesc = &tx_ring->desc_head[producer];
1772 netxen_clear_cmddesc((u64 *)hwdesc);
1774 netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
1775 netxen_set_tx_port(first_desc, adapter->portnum);
1777 for (i = 0; i < frag_count; i++) {
1781 if ((k == 0) && (i > 0)) {
1782 /* move to next desc.*/
1783 producer = get_next_index(producer, num_txd);
1784 hwdesc = &tx_ring->desc_head[producer];
1785 netxen_clear_cmddesc((u64 *)hwdesc);
1786 tx_ring->cmd_buf_arr[producer].skb = NULL;
1789 buffrag = &pbuf->frag_array[i];
1791 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
1794 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
1797 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
1800 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
1803 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
1808 tx_ring->producer = get_next_index(producer, num_txd);
1810 netxen_tso_check(netdev, tx_ring, first_desc, skb);
1812 netxen_nic_update_cmd_producer(adapter, tx_ring);
1814 adapter->stats.txbytes += skb->len;
1815 adapter->stats.xmitcalled++;
1817 return NETDEV_TX_OK;
1820 adapter->stats.txdropped++;
1821 dev_kfree_skb_any(skb);
1822 return NETDEV_TX_OK;
1825 static int netxen_nic_check_temp(struct netxen_adapter *adapter)
1827 struct net_device *netdev = adapter->netdev;
1828 uint32_t temp, temp_state, temp_val;
1831 temp = NXRD32(adapter, CRB_TEMP_STATE);
1833 temp_state = nx_get_temp_state(temp);
1834 temp_val = nx_get_temp_val(temp);
1836 if (temp_state == NX_TEMP_PANIC) {
1838 "%s: Device temperature %d degrees C exceeds"
1839 " maximum allowed. Hardware has been shut down.\n",
1840 netdev->name, temp_val);
1842 } else if (temp_state == NX_TEMP_WARN) {
1843 if (adapter->temp == NX_TEMP_NORMAL) {
1845 "%s: Device temperature %d degrees C "
1846 "exceeds operating range."
1847 " Immediate action needed.\n",
1848 netdev->name, temp_val);
1851 if (adapter->temp == NX_TEMP_WARN) {
1853 "%s: Device temperature is now %d degrees C"
1854 " in normal range.\n", netdev->name,
1858 adapter->temp = temp_state;
1862 void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
1864 struct net_device *netdev = adapter->netdev;
1866 if (adapter->ahw.linkup && !linkup) {
1867 printk(KERN_INFO "%s: %s NIC Link is down\n",
1868 netxen_nic_driver_name, netdev->name);
1869 adapter->ahw.linkup = 0;
1870 if (netif_running(netdev)) {
1871 netif_carrier_off(netdev);
1872 netif_stop_queue(netdev);
1874 adapter->link_changed = !adapter->has_link_events;
1875 } else if (!adapter->ahw.linkup && linkup) {
1876 printk(KERN_INFO "%s: %s NIC Link is up\n",
1877 netxen_nic_driver_name, netdev->name);
1878 adapter->ahw.linkup = 1;
1879 if (netif_running(netdev)) {
1880 netif_carrier_on(netdev);
1881 netif_wake_queue(netdev);
1883 adapter->link_changed = !adapter->has_link_events;
1887 static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
1889 u32 val, port, linkup;
1891 port = adapter->physical_port;
1893 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
1894 val = NXRD32(adapter, CRB_XG_STATE_P3);
1895 val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
1896 linkup = (val == XG_LINK_UP_P3);
1898 val = NXRD32(adapter, CRB_XG_STATE);
1899 if (adapter->ahw.port_type == NETXEN_NIC_GBE)
1900 linkup = (val >> port) & 1;
1902 val = (val >> port*8) & 0xff;
1903 linkup = (val == XG_LINK_UP);
1907 netxen_advert_link_change(adapter, linkup);
1910 static void netxen_tx_timeout(struct net_device *netdev)
1912 struct netxen_adapter *adapter = netdev_priv(netdev);
1914 if (test_bit(__NX_RESETTING, &adapter->state))
1917 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
1918 schedule_work(&adapter->tx_timeout_task);
1921 static void netxen_tx_timeout_task(struct work_struct *work)
1923 struct netxen_adapter *adapter =
1924 container_of(work, struct netxen_adapter, tx_timeout_task);
1926 if (!netif_running(adapter->netdev))
1929 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
1932 if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
1935 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1936 /* try to scrub interrupt */
1937 netxen_napi_disable(adapter);
1939 adapter->netdev->trans_start = jiffies;
1941 netxen_napi_enable(adapter);
1943 netif_wake_queue(adapter->netdev);
1945 clear_bit(__NX_RESETTING, &adapter->state);
1948 clear_bit(__NX_RESETTING, &adapter->state);
1949 if (!netxen_nic_reset_context(adapter)) {
1950 adapter->netdev->trans_start = jiffies;
1954 /* context reset failed, fall through for fw reset */
1958 adapter->need_fw_reset = 1;
1959 clear_bit(__NX_RESETTING, &adapter->state);
1962 struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev)
1964 struct netxen_adapter *adapter = netdev_priv(netdev);
1965 struct net_device_stats *stats = &netdev->stats;
1967 memset(stats, 0, sizeof(*stats));
1969 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
1970 stats->tx_packets = adapter->stats.xmitfinished;
1971 stats->rx_bytes = adapter->stats.rxbytes;
1972 stats->tx_bytes = adapter->stats.txbytes;
1973 stats->rx_dropped = adapter->stats.rxdropped;
1974 stats->tx_dropped = adapter->stats.txdropped;
1979 static irqreturn_t netxen_intr(int irq, void *data)
1981 struct nx_host_sds_ring *sds_ring = data;
1982 struct netxen_adapter *adapter = sds_ring->adapter;
1985 status = readl(adapter->isr_int_vec);
1987 if (!(status & adapter->int_vec_bit))
1990 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
1991 /* check interrupt state machine, to be sure */
1992 status = readl(adapter->crb_int_state_reg);
1993 if (!ISR_LEGACY_INT_TRIGGERED(status))
1997 unsigned long our_int = 0;
1999 our_int = readl(adapter->crb_int_state_reg);
2001 /* not our interrupt */
2002 if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
2005 /* claim interrupt */
2006 writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
2008 /* clear interrupt */
2009 netxen_nic_disable_int(sds_ring);
2012 writel(0xffffffff, adapter->tgt_status_reg);
2013 /* read twice to ensure write is flushed */
2014 readl(adapter->isr_int_vec);
2015 readl(adapter->isr_int_vec);
2017 napi_schedule(&sds_ring->napi);
2022 static irqreturn_t netxen_msi_intr(int irq, void *data)
2024 struct nx_host_sds_ring *sds_ring = data;
2025 struct netxen_adapter *adapter = sds_ring->adapter;
2027 /* clear interrupt */
2028 writel(0xffffffff, adapter->tgt_status_reg);
2030 napi_schedule(&sds_ring->napi);
2034 static irqreturn_t netxen_msix_intr(int irq, void *data)
2036 struct nx_host_sds_ring *sds_ring = data;
2038 napi_schedule(&sds_ring->napi);
2042 static int netxen_nic_poll(struct napi_struct *napi, int budget)
2044 struct nx_host_sds_ring *sds_ring =
2045 container_of(napi, struct nx_host_sds_ring, napi);
2047 struct netxen_adapter *adapter = sds_ring->adapter;
2052 tx_complete = netxen_process_cmd_ring(adapter);
2054 work_done = netxen_process_rcv_ring(sds_ring, budget);
2056 if ((work_done < budget) && tx_complete) {
2057 napi_complete(&sds_ring->napi);
2058 if (test_bit(__NX_DEV_UP, &adapter->state))
2059 netxen_nic_enable_int(sds_ring);
2065 #ifdef CONFIG_NET_POLL_CONTROLLER
2066 static void netxen_nic_poll_controller(struct net_device *netdev)
2068 struct netxen_adapter *adapter = netdev_priv(netdev);
2069 disable_irq(adapter->irq);
2070 netxen_intr(adapter->irq, adapter);
2071 enable_irq(adapter->irq);
2076 nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
2079 if (netxen_api_lock(adapter))
2082 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2084 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2086 netxen_api_unlock(adapter);
2091 nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
2094 if (netxen_api_lock(adapter))
2097 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2098 WARN_ON(count == 0);
2100 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2103 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2105 netxen_api_unlock(adapter);
2110 nx_dev_request_reset(struct netxen_adapter *adapter)
2114 if (netxen_api_lock(adapter))
2117 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2119 if (state != NX_DEV_INITALIZING)
2120 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
2122 netxen_api_unlock(adapter);
2126 netxen_can_start_firmware(struct netxen_adapter *adapter)
2131 if (netxen_api_lock(adapter))
2134 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2136 if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
2141 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
2144 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2146 netxen_api_unlock(adapter);
2152 netxen_schedule_work(struct netxen_adapter *adapter,
2153 work_func_t func, int delay)
2155 INIT_DELAYED_WORK(&adapter->fw_work, func);
2156 schedule_delayed_work(&adapter->fw_work, delay);
2160 netxen_cancel_fw_work(struct netxen_adapter *adapter)
2162 while (test_and_set_bit(__NX_RESETTING, &adapter->state))
2165 cancel_delayed_work_sync(&adapter->fw_work);
2169 netxen_attach_work(struct work_struct *work)
2171 struct netxen_adapter *adapter = container_of(work,
2172 struct netxen_adapter, fw_work.work);
2173 struct net_device *netdev = adapter->netdev;
2176 if (netif_running(netdev)) {
2177 err = netxen_nic_attach(adapter);
2181 err = netxen_nic_up(adapter, netdev);
2183 netxen_nic_detach(adapter);
2187 netxen_config_indev_addr(netdev, NETDEV_UP);
2190 netif_device_attach(netdev);
2193 adapter->fw_fail_cnt = 0;
2194 clear_bit(__NX_RESETTING, &adapter->state);
2195 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2199 netxen_fwinit_work(struct work_struct *work)
2201 struct netxen_adapter *adapter = container_of(work,
2202 struct netxen_adapter, fw_work.work);
2205 dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
2207 switch (dev_state) {
2210 if (!netxen_start_firmware(adapter)) {
2211 netxen_schedule_work(adapter, netxen_attach_work, 0);
2216 case NX_DEV_INITALIZING:
2217 if (++adapter->fw_wait_cnt < FW_POLL_THRESH) {
2218 netxen_schedule_work(adapter,
2219 netxen_fwinit_work, 2 * FW_POLL_DELAY);
2225 nx_incr_dev_ref_cnt(adapter);
2229 clear_bit(__NX_RESETTING, &adapter->state);
2233 netxen_detach_work(struct work_struct *work)
2235 struct netxen_adapter *adapter = container_of(work,
2236 struct netxen_adapter, fw_work.work);
2237 struct net_device *netdev = adapter->netdev;
2241 netif_device_detach(netdev);
2243 netxen_nic_down(adapter, netdev);
2245 netxen_nic_detach(adapter);
2247 status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2249 if (status & NX_RCODE_FATAL_ERROR)
2252 if (adapter->temp == NX_TEMP_PANIC)
2255 ref_cnt = nx_decr_dev_ref_cnt(adapter);
2257 delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
2259 adapter->fw_wait_cnt = 0;
2260 netxen_schedule_work(adapter, netxen_fwinit_work, delay);
2265 clear_bit(__NX_RESETTING, &adapter->state);
2269 netxen_check_health(struct netxen_adapter *adapter)
2271 u32 state, heartbit;
2272 struct net_device *netdev = adapter->netdev;
2274 if (netxen_nic_check_temp(adapter))
2277 if (adapter->need_fw_reset) {
2278 nx_dev_request_reset(adapter);
2282 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2283 if (state == NX_DEV_NEED_RESET)
2286 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2289 heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
2290 if (heartbit != adapter->heartbit) {
2291 adapter->heartbit = heartbit;
2292 adapter->fw_fail_cnt = 0;
2296 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2299 clear_bit(__NX_FW_ATTACHED, &adapter->state);
2301 dev_info(&netdev->dev, "firmware hang detected\n");
2304 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
2305 !test_and_set_bit(__NX_RESETTING, &adapter->state))
2306 netxen_schedule_work(adapter, netxen_detach_work, 0);
2311 netxen_fw_poll_work(struct work_struct *work)
2313 struct netxen_adapter *adapter = container_of(work,
2314 struct netxen_adapter, fw_work.work);
2316 if (test_bit(__NX_RESETTING, &adapter->state))
2319 if (test_bit(__NX_DEV_UP, &adapter->state)) {
2320 if (!adapter->has_link_events) {
2322 netxen_nic_handle_phy_intr(adapter);
2324 if (adapter->link_changed)
2325 netxen_nic_set_link_parameters(adapter);
2329 if (netxen_check_health(adapter))
2333 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2337 netxen_store_bridged_mode(struct device *dev,
2338 struct device_attribute *attr, const char *buf, size_t len)
2340 struct net_device *net = to_net_dev(dev);
2341 struct netxen_adapter *adapter = netdev_priv(net);
2345 if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
2348 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2351 if (strict_strtoul(buf, 2, &new))
2354 if (!netxen_config_bridged_mode(adapter, !!new))
2362 netxen_show_bridged_mode(struct device *dev,
2363 struct device_attribute *attr, char *buf)
2365 struct net_device *net = to_net_dev(dev);
2366 struct netxen_adapter *adapter;
2367 int bridged_mode = 0;
2369 adapter = netdev_priv(net);
2371 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2372 bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
2374 return sprintf(buf, "%d\n", bridged_mode);
2377 static struct device_attribute dev_attr_bridged_mode = {
2378 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
2379 .show = netxen_show_bridged_mode,
2380 .store = netxen_store_bridged_mode,
2384 netxen_store_diag_mode(struct device *dev,
2385 struct device_attribute *attr, const char *buf, size_t len)
2387 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2390 if (strict_strtoul(buf, 2, &new))
2393 if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2394 adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
2400 netxen_show_diag_mode(struct device *dev,
2401 struct device_attribute *attr, char *buf)
2403 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2405 return sprintf(buf, "%d\n",
2406 !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
2409 static struct device_attribute dev_attr_diag_mode = {
2410 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
2411 .show = netxen_show_diag_mode,
2412 .store = netxen_store_diag_mode,
2416 netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
2417 loff_t offset, size_t size)
2419 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2422 if ((size != 4) || (offset & 0x3))
2425 if (offset < NETXEN_PCI_CRBSPACE)
2432 netxen_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr,
2433 char *buf, loff_t offset, size_t size)
2435 struct device *dev = container_of(kobj, struct device, kobj);
2436 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2440 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2444 data = NXRD32(adapter, offset);
2445 memcpy(buf, &data, size);
2450 netxen_sysfs_write_crb(struct kobject *kobj, struct bin_attribute *attr,
2451 char *buf, loff_t offset, size_t size)
2453 struct device *dev = container_of(kobj, struct device, kobj);
2454 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2458 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2462 memcpy(&data, buf, size);
2463 NXWR32(adapter, offset, data);
2468 netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
2469 loff_t offset, size_t size)
2471 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2474 if ((size != 8) || (offset & 0x7))
2481 netxen_sysfs_read_mem(struct kobject *kobj, struct bin_attribute *attr,
2482 char *buf, loff_t offset, size_t size)
2484 struct device *dev = container_of(kobj, struct device, kobj);
2485 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2489 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2493 if (adapter->pci_mem_read(adapter, offset, &data))
2496 memcpy(buf, &data, size);
2501 ssize_t netxen_sysfs_write_mem(struct kobject *kobj,
2502 struct bin_attribute *attr, char *buf,
2503 loff_t offset, size_t size)
2505 struct device *dev = container_of(kobj, struct device, kobj);
2506 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2510 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2514 memcpy(&data, buf, size);
2516 if (adapter->pci_mem_write(adapter, offset, data))
2523 static struct bin_attribute bin_attr_crb = {
2524 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
2526 .read = netxen_sysfs_read_crb,
2527 .write = netxen_sysfs_write_crb,
2530 static struct bin_attribute bin_attr_mem = {
2531 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
2533 .read = netxen_sysfs_read_mem,
2534 .write = netxen_sysfs_write_mem,
2537 #ifdef CONFIG_MODULES
2539 netxen_store_auto_fw_reset(struct module_attribute *mattr,
2540 struct module *mod, const char *buf, size_t count)
2545 if (strict_strtoul(buf, 16, &new))
2548 if ((new == AUTO_FW_RESET_ENABLED) || (new == AUTO_FW_RESET_DISABLED)) {
2549 auto_fw_reset = new;
2557 netxen_show_auto_fw_reset(struct module_attribute *mattr,
2558 struct module *mod, char *buf)
2561 if (auto_fw_reset == AUTO_FW_RESET_ENABLED)
2562 return sprintf(buf, "enabled\n");
2564 return sprintf(buf, "disabled\n");
2567 static struct module_attribute mod_attr_fw_reset = {
2568 .attr = {.name = "auto_fw_reset", .mode = (S_IRUGO | S_IWUSR)},
2569 .show = netxen_show_auto_fw_reset,
2570 .store = netxen_store_auto_fw_reset,
2575 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
2577 struct net_device *netdev = adapter->netdev;
2578 struct device *dev = &netdev->dev;
2580 if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
2581 /* bridged_mode control */
2582 if (device_create_file(dev, &dev_attr_bridged_mode)) {
2583 dev_warn(&netdev->dev,
2584 "failed to create bridged_mode sysfs entry\n");
2590 netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
2592 struct net_device *netdev = adapter->netdev;
2593 struct device *dev = &netdev->dev;
2595 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2596 device_remove_file(dev, &dev_attr_bridged_mode);
2600 netxen_create_diag_entries(struct netxen_adapter *adapter)
2602 struct pci_dev *pdev = adapter->pdev;
2606 if (device_create_file(dev, &dev_attr_diag_mode))
2607 dev_info(dev, "failed to create diag_mode sysfs entry\n");
2608 if (device_create_bin_file(dev, &bin_attr_crb))
2609 dev_info(dev, "failed to create crb sysfs entry\n");
2610 if (device_create_bin_file(dev, &bin_attr_mem))
2611 dev_info(dev, "failed to create mem sysfs entry\n");
2616 netxen_remove_diag_entries(struct netxen_adapter *adapter)
2618 struct pci_dev *pdev = adapter->pdev;
2619 struct device *dev = &pdev->dev;
2621 device_remove_file(dev, &dev_attr_diag_mode);
2622 device_remove_bin_file(dev, &bin_attr_crb);
2623 device_remove_bin_file(dev, &bin_attr_mem);
2628 #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
2631 netxen_destip_supported(struct netxen_adapter *adapter)
2633 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2636 if (adapter->ahw.cut_through)
2643 netxen_config_indev_addr(struct net_device *dev, unsigned long event)
2645 struct in_device *indev;
2646 struct netxen_adapter *adapter = netdev_priv(dev);
2648 if (!netxen_destip_supported(adapter))
2651 indev = in_dev_get(dev);
2658 netxen_config_ipaddr(adapter,
2659 ifa->ifa_address, NX_IP_UP);
2662 netxen_config_ipaddr(adapter,
2663 ifa->ifa_address, NX_IP_DOWN);
2668 } endfor_ifa(indev);
2674 static int netxen_netdev_event(struct notifier_block *this,
2675 unsigned long event, void *ptr)
2677 struct netxen_adapter *adapter;
2678 struct net_device *dev = (struct net_device *)ptr;
2684 if (dev->priv_flags & IFF_802_1Q_VLAN) {
2685 dev = vlan_dev_real_dev(dev);
2689 if (!is_netxen_netdev(dev))
2692 adapter = netdev_priv(dev);
2697 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2700 netxen_config_indev_addr(dev, event);
2706 netxen_inetaddr_event(struct notifier_block *this,
2707 unsigned long event, void *ptr)
2709 struct netxen_adapter *adapter;
2710 struct net_device *dev;
2712 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
2714 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
2717 if (dev == NULL || !netif_running(dev))
2720 if (dev->priv_flags & IFF_802_1Q_VLAN) {
2721 dev = vlan_dev_real_dev(dev);
2725 if (!is_netxen_netdev(dev))
2728 adapter = netdev_priv(dev);
2730 if (!adapter || !netxen_destip_supported(adapter))
2733 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2738 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
2741 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN);
2751 static struct notifier_block netxen_netdev_cb = {
2752 .notifier_call = netxen_netdev_event,
2755 static struct notifier_block netxen_inetaddr_cb = {
2756 .notifier_call = netxen_inetaddr_event,
2760 netxen_config_indev_addr(struct net_device *dev, unsigned long event)
2764 static struct pci_driver netxen_driver = {
2765 .name = netxen_nic_driver_name,
2766 .id_table = netxen_pci_tbl,
2767 .probe = netxen_nic_probe,
2768 .remove = __devexit_p(netxen_nic_remove),
2770 .suspend = netxen_nic_suspend,
2771 .resume = netxen_nic_resume,
2773 .shutdown = netxen_nic_shutdown
2776 static int __init netxen_init_module(void)
2778 #ifdef CONFIG_MODULES
2779 struct module *mod = THIS_MODULE;
2782 printk(KERN_INFO "%s\n", netxen_nic_driver_string);
2785 register_netdevice_notifier(&netxen_netdev_cb);
2786 register_inetaddr_notifier(&netxen_inetaddr_cb);
2789 #ifdef CONFIG_MODULES
2790 if (sysfs_create_file(&mod->mkobj.kobj, &mod_attr_fw_reset.attr))
2791 printk(KERN_ERR "%s: Failed to create auto_fw_reset "
2792 "sysfs entry.", netxen_nic_driver_name);
2795 return pci_register_driver(&netxen_driver);
2798 module_init(netxen_init_module);
2800 static void __exit netxen_exit_module(void)
2802 #ifdef CONFIG_MODULES
2803 struct module *mod = THIS_MODULE;
2805 sysfs_remove_file(&mod->mkobj.kobj, &mod_attr_fw_reset.attr);
2808 pci_unregister_driver(&netxen_driver);
2811 unregister_inetaddr_notifier(&netxen_inetaddr_cb);
2812 unregister_netdevice_notifier(&netxen_netdev_cb);
2816 module_exit(netxen_exit_module);