2 * Copyright (C) 2009 - QLogic Corporation.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 * The full GNU General Public License is included in this distribution
21 * in the file called "COPYING".
25 #include <linux/slab.h>
26 #include <linux/vmalloc.h>
27 #include <linux/interrupt.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>
38 MODULE_DESCRIPTION("QLogic 10 GbE Converged Ethernet Driver");
39 MODULE_LICENSE("GPL");
40 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
41 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
43 char qlcnic_driver_name[] = "qlcnic";
44 static const char qlcnic_driver_string[] = "QLogic Converged Ethernet Driver v"
45 QLCNIC_LINUX_VERSIONID;
47 static int port_mode = QLCNIC_PORT_MODE_AUTO_NEG;
49 /* Default to restricted 1G auto-neg mode */
50 static int wol_port_mode = 5;
52 static int use_msi = 1;
53 module_param(use_msi, int, 0644);
54 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
56 static int use_msi_x = 1;
57 module_param(use_msi_x, int, 0644);
58 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
60 static int auto_fw_reset = AUTO_FW_RESET_ENABLED;
61 module_param(auto_fw_reset, int, 0644);
62 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
64 static int load_fw_file;
65 module_param(load_fw_file, int, 0644);
66 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
68 static int __devinit qlcnic_probe(struct pci_dev *pdev,
69 const struct pci_device_id *ent);
70 static void __devexit qlcnic_remove(struct pci_dev *pdev);
71 static int qlcnic_open(struct net_device *netdev);
72 static int qlcnic_close(struct net_device *netdev);
73 static void qlcnic_tx_timeout(struct net_device *netdev);
74 static void qlcnic_tx_timeout_task(struct work_struct *work);
75 static void qlcnic_attach_work(struct work_struct *work);
76 static void qlcnic_fwinit_work(struct work_struct *work);
77 static void qlcnic_fw_poll_work(struct work_struct *work);
78 static void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
79 work_func_t func, int delay);
80 static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter);
81 static int qlcnic_poll(struct napi_struct *napi, int budget);
82 #ifdef CONFIG_NET_POLL_CONTROLLER
83 static void qlcnic_poll_controller(struct net_device *netdev);
86 static void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter);
87 static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter);
88 static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter);
89 static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter);
91 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
92 static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter);
93 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
95 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
96 static irqreturn_t qlcnic_intr(int irq, void *data);
97 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
98 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
100 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
101 static void qlcnic_config_indev_addr(struct net_device *dev, unsigned long);
103 /* PCI Device ID Table */
104 #define ENTRY(device) \
105 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
106 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
108 #define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020
110 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
115 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
119 qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter,
120 struct qlcnic_host_tx_ring *tx_ring)
122 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
124 if (qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH) {
125 netif_stop_queue(adapter->netdev);
127 adapter->stats.xmit_off++;
131 static const u32 msi_tgt_status[8] = {
132 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
133 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
134 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
135 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
139 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
141 static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring *sds_ring)
143 writel(0, sds_ring->crb_intr_mask);
146 static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring *sds_ring)
148 struct qlcnic_adapter *adapter = sds_ring->adapter;
150 writel(0x1, sds_ring->crb_intr_mask);
152 if (!QLCNIC_IS_MSI_FAMILY(adapter))
153 writel(0xfbff, adapter->tgt_mask_reg);
157 qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
159 int size = sizeof(struct qlcnic_host_sds_ring) * count;
161 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
163 return (recv_ctx->sds_rings == NULL);
167 qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
169 if (recv_ctx->sds_rings != NULL)
170 kfree(recv_ctx->sds_rings);
172 recv_ctx->sds_rings = NULL;
176 qlcnic_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev)
179 struct qlcnic_host_sds_ring *sds_ring;
180 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
182 if (qlcnic_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
185 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
186 sds_ring = &recv_ctx->sds_rings[ring];
187 netif_napi_add(netdev, &sds_ring->napi,
188 qlcnic_poll, QLCNIC_NETDEV_WEIGHT);
195 qlcnic_napi_del(struct qlcnic_adapter *adapter)
198 struct qlcnic_host_sds_ring *sds_ring;
199 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
201 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
202 sds_ring = &recv_ctx->sds_rings[ring];
203 netif_napi_del(&sds_ring->napi);
206 qlcnic_free_sds_rings(&adapter->recv_ctx);
210 qlcnic_napi_enable(struct qlcnic_adapter *adapter)
213 struct qlcnic_host_sds_ring *sds_ring;
214 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
216 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
219 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
220 sds_ring = &recv_ctx->sds_rings[ring];
221 napi_enable(&sds_ring->napi);
222 qlcnic_enable_int(sds_ring);
227 qlcnic_napi_disable(struct qlcnic_adapter *adapter)
230 struct qlcnic_host_sds_ring *sds_ring;
231 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
233 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
236 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
237 sds_ring = &recv_ctx->sds_rings[ring];
238 qlcnic_disable_int(sds_ring);
239 napi_synchronize(&sds_ring->napi);
240 napi_disable(&sds_ring->napi);
244 static void qlcnic_clear_stats(struct qlcnic_adapter *adapter)
246 memset(&adapter->stats, 0, sizeof(adapter->stats));
249 static void qlcnic_set_port_mode(struct qlcnic_adapter *adapter)
253 val = adapter->ahw.board_type;
254 if ((val == QLCNIC_BRDTYPE_P3_HMEZ) ||
255 (val == QLCNIC_BRDTYPE_P3_XG_LOM)) {
256 if (port_mode == QLCNIC_PORT_MODE_802_3_AP) {
257 data = QLCNIC_PORT_MODE_802_3_AP;
258 QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data);
259 } else if (port_mode == QLCNIC_PORT_MODE_XG) {
260 data = QLCNIC_PORT_MODE_XG;
261 QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data);
262 } else if (port_mode == QLCNIC_PORT_MODE_AUTO_NEG_1G) {
263 data = QLCNIC_PORT_MODE_AUTO_NEG_1G;
264 QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data);
265 } else if (port_mode == QLCNIC_PORT_MODE_AUTO_NEG_XG) {
266 data = QLCNIC_PORT_MODE_AUTO_NEG_XG;
267 QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data);
269 data = QLCNIC_PORT_MODE_AUTO_NEG;
270 QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data);
273 if ((wol_port_mode != QLCNIC_PORT_MODE_802_3_AP) &&
274 (wol_port_mode != QLCNIC_PORT_MODE_XG) &&
275 (wol_port_mode != QLCNIC_PORT_MODE_AUTO_NEG_1G) &&
276 (wol_port_mode != QLCNIC_PORT_MODE_AUTO_NEG_XG)) {
277 wol_port_mode = QLCNIC_PORT_MODE_AUTO_NEG;
279 QLCWR32(adapter, QLCNIC_WOL_PORT_MODE, wol_port_mode);
283 static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable)
288 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
290 pci_read_config_dword(pdev, pos, &control);
292 control |= PCI_MSIX_FLAGS_ENABLE;
295 pci_write_config_dword(pdev, pos, control);
299 static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count)
303 for (i = 0; i < count; i++)
304 adapter->msix_entries[i].entry = i;
308 qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
313 struct net_device *netdev = adapter->netdev;
314 struct pci_dev *pdev = adapter->pdev;
316 if (qlcnic_get_mac_addr(adapter, &mac_addr) != 0)
319 p = (unsigned char *)&mac_addr;
320 for (i = 0; i < 6; i++)
321 netdev->dev_addr[i] = *(p + 5 - i);
323 memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
324 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
326 /* set station address */
328 if (!is_valid_ether_addr(netdev->perm_addr))
329 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
335 static int qlcnic_set_mac(struct net_device *netdev, void *p)
337 struct qlcnic_adapter *adapter = netdev_priv(netdev);
338 struct sockaddr *addr = p;
340 if (!is_valid_ether_addr(addr->sa_data))
343 if (netif_running(netdev)) {
344 netif_device_detach(netdev);
345 qlcnic_napi_disable(adapter);
348 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
349 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
350 qlcnic_set_multi(adapter->netdev);
352 if (netif_running(netdev)) {
353 netif_device_attach(netdev);
354 qlcnic_napi_enable(adapter);
359 static const struct net_device_ops qlcnic_netdev_ops = {
360 .ndo_open = qlcnic_open,
361 .ndo_stop = qlcnic_close,
362 .ndo_start_xmit = qlcnic_xmit_frame,
363 .ndo_get_stats = qlcnic_get_stats,
364 .ndo_validate_addr = eth_validate_addr,
365 .ndo_set_multicast_list = qlcnic_set_multi,
366 .ndo_set_mac_address = qlcnic_set_mac,
367 .ndo_change_mtu = qlcnic_change_mtu,
368 .ndo_tx_timeout = qlcnic_tx_timeout,
369 #ifdef CONFIG_NET_POLL_CONTROLLER
370 .ndo_poll_controller = qlcnic_poll_controller,
375 qlcnic_setup_intr(struct qlcnic_adapter *adapter)
377 const struct qlcnic_legacy_intr_set *legacy_intrp;
378 struct pci_dev *pdev = adapter->pdev;
381 if (adapter->rss_supported) {
382 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
383 MSIX_ENTRIES_PER_ADAPTER : 2;
387 adapter->max_sds_rings = 1;
389 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
391 legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
393 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
394 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
395 legacy_intrp->tgt_status_reg);
396 adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter,
397 legacy_intrp->tgt_mask_reg);
398 adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR);
400 adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter,
403 qlcnic_set_msix_bit(pdev, 0);
405 if (adapter->msix_supported) {
407 qlcnic_init_msix_entries(adapter, num_msix);
408 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
410 adapter->flags |= QLCNIC_MSIX_ENABLED;
411 qlcnic_set_msix_bit(pdev, 1);
413 if (adapter->rss_supported)
414 adapter->max_sds_rings = num_msix;
416 dev_info(&pdev->dev, "using msi-x interrupts\n");
421 pci_disable_msix(pdev);
423 /* fall through for msi */
426 if (use_msi && !pci_enable_msi(pdev)) {
427 adapter->flags |= QLCNIC_MSI_ENABLED;
428 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
429 msi_tgt_status[adapter->ahw.pci_func]);
430 dev_info(&pdev->dev, "using msi interrupts\n");
431 adapter->msix_entries[0].vector = pdev->irq;
435 dev_info(&pdev->dev, "using legacy interrupts\n");
436 adapter->msix_entries[0].vector = pdev->irq;
440 qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
442 if (adapter->flags & QLCNIC_MSIX_ENABLED)
443 pci_disable_msix(adapter->pdev);
444 if (adapter->flags & QLCNIC_MSI_ENABLED)
445 pci_disable_msi(adapter->pdev);
449 qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
451 if (adapter->ahw.pci_base0 != NULL)
452 iounmap(adapter->ahw.pci_base0);
456 qlcnic_setup_pci_map(struct qlcnic_adapter *adapter)
458 void __iomem *mem_ptr0 = NULL;
459 resource_size_t mem_base;
460 unsigned long mem_len, pci_len0 = 0;
462 struct pci_dev *pdev = adapter->pdev;
463 int pci_func = adapter->ahw.pci_func;
465 /* remap phys address */
466 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
467 mem_len = pci_resource_len(pdev, 0);
469 if (mem_len == QLCNIC_PCI_2MB_SIZE) {
471 mem_ptr0 = pci_ioremap_bar(pdev, 0);
472 if (mem_ptr0 == NULL) {
473 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
481 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
483 adapter->ahw.pci_base0 = mem_ptr0;
484 adapter->ahw.pci_len0 = pci_len0;
486 adapter->ahw.ocm_win_crb = qlcnic_get_ioaddr(adapter,
487 QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
492 static void get_brd_name(struct qlcnic_adapter *adapter, char *name)
494 struct pci_dev *pdev = adapter->pdev;
497 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
498 if (qlcnic_boards[i].vendor == pdev->vendor &&
499 qlcnic_boards[i].device == pdev->device &&
500 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
501 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
502 sprintf(name, "%pM: %s" ,
504 qlcnic_boards[i].short_name);
516 qlcnic_check_options(struct qlcnic_adapter *adapter)
518 u32 fw_major, fw_minor, fw_build;
519 char brd_name[QLCNIC_MAX_BOARD_NAME_LEN];
523 struct pci_dev *pdev = adapter->pdev;
525 adapter->driver_mismatch = 0;
527 ptr32 = (int *)&serial_num;
528 offset = QLCNIC_FW_SERIAL_NUM_OFFSET;
529 for (i = 0; i < 8; i++) {
530 if (qlcnic_rom_fast_read(adapter, offset, &val) == -1) {
531 dev_err(&pdev->dev, "error reading board info\n");
532 adapter->driver_mismatch = 1;
535 ptr32[i] = cpu_to_le32(val);
536 offset += sizeof(u32);
539 fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR);
540 fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR);
541 fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB);
543 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
545 if (adapter->portnum == 0) {
546 get_brd_name(adapter, brd_name);
548 pr_info("%s: %s Board Chip rev 0x%x\n",
549 module_name(THIS_MODULE),
550 brd_name, adapter->ahw.revision_id);
553 dev_info(&pdev->dev, "firmware v%d.%d.%d\n",
554 fw_major, fw_minor, fw_build);
556 adapter->capabilities = QLCRD32(adapter, CRB_FW_CAPABILITIES_1);
558 adapter->flags &= ~QLCNIC_LRO_ENABLED;
560 if (adapter->ahw.port_type == QLCNIC_XGBE) {
561 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
562 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
563 } else if (adapter->ahw.port_type == QLCNIC_GBE) {
564 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
565 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
568 adapter->msix_supported = !!use_msi_x;
569 adapter->rss_supported = !!use_msi_x;
571 adapter->num_txd = MAX_CMD_DESCRIPTORS;
573 adapter->max_rds_rings = 2;
577 qlcnic_start_firmware(struct qlcnic_adapter *adapter)
579 int val, err, first_boot;
581 err = qlcnic_can_start_firmware(adapter);
587 first_boot = QLCRD32(adapter, QLCNIC_CAM_RAM(0x1fc));
588 if (first_boot == 0x55555555)
589 /* This is the first boot after power up */
590 QLCWR32(adapter, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC);
593 qlcnic_request_firmware(adapter);
595 adapter->fw_type = QLCNIC_FLASH_ROMIMAGE;
597 err = qlcnic_need_fw_reset(adapter);
603 if (first_boot != 0x55555555) {
604 QLCWR32(adapter, CRB_CMDPEG_STATE, 0);
605 qlcnic_pinit_from_rom(adapter);
609 QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0);
610 QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0);
612 qlcnic_set_port_mode(adapter);
614 err = qlcnic_load_firmware(adapter);
618 qlcnic_release_firmware(adapter);
620 val = (_QLCNIC_LINUX_MAJOR << 16)
621 | ((_QLCNIC_LINUX_MINOR << 8))
622 | (_QLCNIC_LINUX_SUBVERSION);
623 QLCWR32(adapter, CRB_DRIVER_VERSION, val);
626 /* Handshake with the card before we register the devices. */
627 err = qlcnic_phantom_init(adapter);
631 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
632 qlcnic_idc_debug_info(adapter, 1);
634 qlcnic_check_options(adapter);
636 adapter->need_fw_reset = 0;
638 qlcnic_release_firmware(adapter);
642 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
643 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
644 qlcnic_release_firmware(adapter);
649 qlcnic_request_irq(struct qlcnic_adapter *adapter)
651 irq_handler_t handler;
652 struct qlcnic_host_sds_ring *sds_ring;
655 unsigned long flags = 0;
656 struct net_device *netdev = adapter->netdev;
657 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
659 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
660 handler = qlcnic_tmp_intr;
661 if (!QLCNIC_IS_MSI_FAMILY(adapter))
662 flags |= IRQF_SHARED;
665 if (adapter->flags & QLCNIC_MSIX_ENABLED)
666 handler = qlcnic_msix_intr;
667 else if (adapter->flags & QLCNIC_MSI_ENABLED)
668 handler = qlcnic_msi_intr;
670 flags |= IRQF_SHARED;
671 handler = qlcnic_intr;
674 adapter->irq = netdev->irq;
676 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
677 sds_ring = &recv_ctx->sds_rings[ring];
678 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
679 err = request_irq(sds_ring->irq, handler,
680 flags, sds_ring->name, sds_ring);
689 qlcnic_free_irq(struct qlcnic_adapter *adapter)
692 struct qlcnic_host_sds_ring *sds_ring;
694 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
696 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
697 sds_ring = &recv_ctx->sds_rings[ring];
698 free_irq(sds_ring->irq, sds_ring);
703 qlcnic_init_coalesce_defaults(struct qlcnic_adapter *adapter)
705 adapter->coal.flags = QLCNIC_INTR_DEFAULT;
706 adapter->coal.normal.data.rx_time_us =
707 QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
708 adapter->coal.normal.data.rx_packets =
709 QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
710 adapter->coal.normal.data.tx_time_us =
711 QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US;
712 adapter->coal.normal.data.tx_packets =
713 QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS;
717 __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
719 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
722 qlcnic_set_multi(netdev);
723 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
725 adapter->ahw.linkup = 0;
727 if (adapter->max_sds_rings > 1)
728 qlcnic_config_rss(adapter, 1);
730 qlcnic_config_intr_coalesce(adapter);
732 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
733 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
735 qlcnic_napi_enable(adapter);
737 qlcnic_linkevent_request(adapter, 1);
739 set_bit(__QLCNIC_DEV_UP, &adapter->state);
743 /* Usage: During resume and firmware recovery module.*/
746 qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
751 if (netif_running(netdev))
752 err = __qlcnic_up(adapter, netdev);
759 __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
761 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
764 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
768 spin_lock(&adapter->tx_clean_lock);
769 netif_carrier_off(netdev);
770 netif_tx_disable(netdev);
772 qlcnic_free_mac_list(adapter);
774 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
776 qlcnic_napi_disable(adapter);
778 qlcnic_release_tx_buffers(adapter);
779 spin_unlock(&adapter->tx_clean_lock);
782 /* Usage: During suspend and firmware recovery module */
785 qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
788 if (netif_running(netdev))
789 __qlcnic_down(adapter, netdev);
795 qlcnic_attach(struct qlcnic_adapter *adapter)
797 struct net_device *netdev = adapter->netdev;
798 struct pci_dev *pdev = adapter->pdev;
800 struct qlcnic_host_rds_ring *rds_ring;
802 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
805 err = qlcnic_init_firmware(adapter);
809 err = qlcnic_napi_add(adapter, netdev);
813 err = qlcnic_alloc_sw_resources(adapter);
815 dev_err(&pdev->dev, "Error in setting sw resources\n");
819 err = qlcnic_alloc_hw_resources(adapter);
821 dev_err(&pdev->dev, "Error in setting hw resources\n");
822 goto err_out_free_sw;
826 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
827 rds_ring = &adapter->recv_ctx.rds_rings[ring];
828 qlcnic_post_rx_buffers(adapter, ring, rds_ring);
831 err = qlcnic_request_irq(adapter);
833 dev_err(&pdev->dev, "failed to setup interrupt\n");
834 goto err_out_free_rxbuf;
837 qlcnic_init_coalesce_defaults(adapter);
839 qlcnic_create_sysfs_entries(adapter);
841 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
845 qlcnic_release_rx_buffers(adapter);
846 qlcnic_free_hw_resources(adapter);
848 qlcnic_free_sw_resources(adapter);
853 qlcnic_detach(struct qlcnic_adapter *adapter)
855 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
858 qlcnic_remove_sysfs_entries(adapter);
860 qlcnic_free_hw_resources(adapter);
861 qlcnic_release_rx_buffers(adapter);
862 qlcnic_free_irq(adapter);
863 qlcnic_napi_del(adapter);
864 qlcnic_free_sw_resources(adapter);
869 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
871 struct qlcnic_adapter *adapter = netdev_priv(netdev);
872 struct qlcnic_host_sds_ring *sds_ring;
875 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
876 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
877 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
878 sds_ring = &adapter->recv_ctx.sds_rings[ring];
879 qlcnic_disable_int(sds_ring);
883 qlcnic_detach(adapter);
885 adapter->diag_test = 0;
886 adapter->max_sds_rings = max_sds_rings;
888 if (qlcnic_attach(adapter))
891 if (netif_running(netdev))
892 __qlcnic_up(adapter, netdev);
894 netif_device_attach(netdev);
897 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
899 struct qlcnic_adapter *adapter = netdev_priv(netdev);
900 struct qlcnic_host_sds_ring *sds_ring;
904 netif_device_detach(netdev);
906 if (netif_running(netdev))
907 __qlcnic_down(adapter, netdev);
909 qlcnic_detach(adapter);
911 adapter->max_sds_rings = 1;
912 adapter->diag_test = test;
914 ret = qlcnic_attach(adapter);
916 netif_device_attach(netdev);
920 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
921 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
922 sds_ring = &adapter->recv_ctx.sds_rings[ring];
923 qlcnic_enable_int(sds_ring);
926 set_bit(__QLCNIC_DEV_UP, &adapter->state);
932 qlcnic_reset_context(struct qlcnic_adapter *adapter)
935 struct net_device *netdev = adapter->netdev;
937 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
940 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
942 netif_device_detach(netdev);
944 if (netif_running(netdev))
945 __qlcnic_down(adapter, netdev);
947 qlcnic_detach(adapter);
949 if (netif_running(netdev)) {
950 err = qlcnic_attach(adapter);
952 __qlcnic_up(adapter, netdev);
955 netif_device_attach(netdev);
958 clear_bit(__QLCNIC_RESETTING, &adapter->state);
963 qlcnic_setup_netdev(struct qlcnic_adapter *adapter,
964 struct net_device *netdev, u8 pci_using_dac)
967 struct pci_dev *pdev = adapter->pdev;
969 adapter->rx_csum = 1;
970 adapter->mc_enabled = 0;
971 adapter->max_mc_count = 38;
973 netdev->netdev_ops = &qlcnic_netdev_ops;
974 netdev->watchdog_timeo = 2*HZ;
976 qlcnic_change_mtu(netdev, netdev->mtu);
978 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
980 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
981 netdev->features |= (NETIF_F_GRO);
982 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
984 netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
985 netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
988 netdev->features |= NETIF_F_HIGHDMA;
989 netdev->vlan_features |= NETIF_F_HIGHDMA;
992 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
993 netdev->features |= (NETIF_F_HW_VLAN_TX);
995 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
996 netdev->features |= NETIF_F_LRO;
998 netdev->irq = adapter->msix_entries[0].vector;
1000 INIT_WORK(&adapter->tx_timeout_task, qlcnic_tx_timeout_task);
1002 if (qlcnic_read_mac_addr(adapter))
1003 dev_warn(&pdev->dev, "failed to read mac addr\n");
1005 netif_carrier_off(netdev);
1006 netif_stop_queue(netdev);
1008 err = register_netdev(netdev);
1010 dev_err(&pdev->dev, "failed to register net device\n");
1017 static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac)
1019 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1020 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1022 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1023 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1026 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1033 static int __devinit
1034 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1036 struct net_device *netdev = NULL;
1037 struct qlcnic_adapter *adapter = NULL;
1039 int pci_func_id = PCI_FUNC(pdev->devfn);
1040 uint8_t revision_id;
1041 uint8_t pci_using_dac;
1043 err = pci_enable_device(pdev);
1047 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1049 goto err_out_disable_pdev;
1052 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1054 goto err_out_disable_pdev;
1056 err = pci_request_regions(pdev, qlcnic_driver_name);
1058 goto err_out_disable_pdev;
1060 pci_set_master(pdev);
1062 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1064 dev_err(&pdev->dev, "failed to allocate net_device\n");
1066 goto err_out_free_res;
1069 SET_NETDEV_DEV(netdev, &pdev->dev);
1071 adapter = netdev_priv(netdev);
1072 adapter->netdev = netdev;
1073 adapter->pdev = pdev;
1074 adapter->dev_rst_time = jiffies;
1075 adapter->ahw.pci_func = pci_func_id;
1077 revision_id = pdev->revision;
1078 adapter->ahw.revision_id = revision_id;
1080 rwlock_init(&adapter->ahw.crb_lock);
1081 mutex_init(&adapter->ahw.mem_lock);
1083 spin_lock_init(&adapter->tx_clean_lock);
1084 INIT_LIST_HEAD(&adapter->mac_list);
1086 err = qlcnic_setup_pci_map(adapter);
1088 goto err_out_free_netdev;
1090 /* This will be reset for mezz cards */
1091 adapter->portnum = pci_func_id;
1093 err = qlcnic_get_board_info(adapter);
1095 dev_err(&pdev->dev, "Error getting board config info.\n");
1096 goto err_out_iounmap;
1099 if (qlcnic_read_mac_addr(adapter))
1100 dev_warn(&pdev->dev, "failed to read mac addr\n");
1102 if (qlcnic_setup_idc_param(adapter))
1103 goto err_out_iounmap;
1105 err = qlcnic_start_firmware(adapter);
1107 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1108 goto err_out_decr_ref;
1111 qlcnic_clear_stats(adapter);
1113 qlcnic_setup_intr(adapter);
1115 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
1117 goto err_out_disable_msi;
1119 pci_set_drvdata(pdev, adapter);
1121 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1123 switch (adapter->ahw.port_type) {
1125 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1126 adapter->netdev->name);
1129 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1130 adapter->netdev->name);
1134 qlcnic_create_diag_entries(adapter);
1138 err_out_disable_msi:
1139 qlcnic_teardown_intr(adapter);
1142 qlcnic_clr_all_drv_state(adapter);
1145 qlcnic_cleanup_pci_map(adapter);
1147 err_out_free_netdev:
1148 free_netdev(netdev);
1151 pci_release_regions(pdev);
1153 err_out_disable_pdev:
1154 pci_set_drvdata(pdev, NULL);
1155 pci_disable_device(pdev);
1159 static void __devexit qlcnic_remove(struct pci_dev *pdev)
1161 struct qlcnic_adapter *adapter;
1162 struct net_device *netdev;
1164 adapter = pci_get_drvdata(pdev);
1165 if (adapter == NULL)
1168 netdev = adapter->netdev;
1170 qlcnic_cancel_fw_work(adapter);
1172 unregister_netdev(netdev);
1174 cancel_work_sync(&adapter->tx_timeout_task);
1176 qlcnic_detach(adapter);
1178 qlcnic_clr_all_drv_state(adapter);
1180 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1182 qlcnic_teardown_intr(adapter);
1184 qlcnic_remove_diag_entries(adapter);
1186 qlcnic_cleanup_pci_map(adapter);
1188 qlcnic_release_firmware(adapter);
1190 pci_release_regions(pdev);
1191 pci_disable_device(pdev);
1192 pci_set_drvdata(pdev, NULL);
1194 free_netdev(netdev);
1196 static int __qlcnic_shutdown(struct pci_dev *pdev)
1198 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1199 struct net_device *netdev = adapter->netdev;
1202 netif_device_detach(netdev);
1204 qlcnic_cancel_fw_work(adapter);
1206 if (netif_running(netdev))
1207 qlcnic_down(adapter, netdev);
1209 cancel_work_sync(&adapter->tx_timeout_task);
1211 qlcnic_detach(adapter);
1213 qlcnic_clr_all_drv_state(adapter);
1215 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1217 retval = pci_save_state(pdev);
1221 if (qlcnic_wol_supported(adapter)) {
1222 pci_enable_wake(pdev, PCI_D3cold, 1);
1223 pci_enable_wake(pdev, PCI_D3hot, 1);
1229 static void qlcnic_shutdown(struct pci_dev *pdev)
1231 if (__qlcnic_shutdown(pdev))
1234 pci_disable_device(pdev);
1239 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
1243 retval = __qlcnic_shutdown(pdev);
1247 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1252 qlcnic_resume(struct pci_dev *pdev)
1254 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1255 struct net_device *netdev = adapter->netdev;
1258 err = pci_enable_device(pdev);
1262 pci_set_power_state(pdev, PCI_D0);
1263 pci_set_master(pdev);
1264 pci_restore_state(pdev);
1266 err = qlcnic_start_firmware(adapter);
1268 dev_err(&pdev->dev, "failed to start firmware\n");
1272 if (netif_running(netdev)) {
1273 err = qlcnic_attach(adapter);
1277 err = qlcnic_up(adapter, netdev);
1279 goto err_out_detach;
1282 qlcnic_config_indev_addr(netdev, NETDEV_UP);
1285 netif_device_attach(netdev);
1286 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1290 qlcnic_detach(adapter);
1292 qlcnic_clr_all_drv_state(adapter);
1293 netif_device_attach(netdev);
1298 static int qlcnic_open(struct net_device *netdev)
1300 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1303 if (adapter->driver_mismatch)
1306 err = qlcnic_attach(adapter);
1310 err = __qlcnic_up(adapter, netdev);
1314 netif_start_queue(netdev);
1319 qlcnic_detach(adapter);
1324 * qlcnic_close - Disables a network interface entry point
1326 static int qlcnic_close(struct net_device *netdev)
1328 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1330 __qlcnic_down(adapter, netdev);
1335 qlcnic_tso_check(struct net_device *netdev,
1336 struct qlcnic_host_tx_ring *tx_ring,
1337 struct cmd_desc_type0 *first_desc,
1338 struct sk_buff *skb)
1340 u8 opcode = TX_ETHER_PKT;
1341 __be16 protocol = skb->protocol;
1342 u16 flags = 0, vid = 0;
1344 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1345 struct cmd_desc_type0 *hwdesc;
1346 struct vlan_ethhdr *vh;
1347 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1349 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
1351 vh = (struct vlan_ethhdr *)skb->data;
1352 protocol = vh->h_vlan_encapsulated_proto;
1353 flags = FLAGS_VLAN_TAGGED;
1355 } else if (vlan_tx_tag_present(skb)) {
1357 flags = FLAGS_VLAN_OOB;
1358 vid = vlan_tx_tag_get(skb);
1359 qlcnic_set_tx_vlan_tci(first_desc, vid);
1363 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1364 skb_shinfo(skb)->gso_size > 0) {
1366 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1368 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1369 first_desc->total_hdr_length = hdr_len;
1371 first_desc->total_hdr_length += VLAN_HLEN;
1372 first_desc->tcp_hdr_offset = VLAN_HLEN;
1373 first_desc->ip_hdr_offset = VLAN_HLEN;
1374 /* Only in case of TSO on vlan device */
1375 flags |= FLAGS_VLAN_TAGGED;
1378 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1379 TX_TCP_LSO6 : TX_TCP_LSO;
1382 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1385 if (protocol == cpu_to_be16(ETH_P_IP)) {
1386 l4proto = ip_hdr(skb)->protocol;
1388 if (l4proto == IPPROTO_TCP)
1389 opcode = TX_TCP_PKT;
1390 else if (l4proto == IPPROTO_UDP)
1391 opcode = TX_UDP_PKT;
1392 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1393 l4proto = ipv6_hdr(skb)->nexthdr;
1395 if (l4proto == IPPROTO_TCP)
1396 opcode = TX_TCPV6_PKT;
1397 else if (l4proto == IPPROTO_UDP)
1398 opcode = TX_UDPV6_PKT;
1402 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1403 first_desc->ip_hdr_offset += skb_network_offset(skb);
1404 qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
1409 /* For LSO, we need to copy the MAC/IP/TCP headers into
1410 * the descriptor ring
1412 producer = tx_ring->producer;
1417 /* Create a TSO vlan header template for firmware */
1419 hwdesc = &tx_ring->desc_head[producer];
1420 tx_ring->cmd_buf_arr[producer].skb = NULL;
1422 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1423 hdr_len + VLAN_HLEN);
1425 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1426 skb_copy_from_linear_data(skb, vh, 12);
1427 vh->h_vlan_proto = htons(ETH_P_8021Q);
1428 vh->h_vlan_TCI = htons(vid);
1429 skb_copy_from_linear_data_offset(skb, 12,
1430 (char *)vh + 16, copy_len - 16);
1432 copied = copy_len - VLAN_HLEN;
1435 producer = get_next_index(producer, tx_ring->num_desc);
1438 while (copied < hdr_len) {
1440 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1441 (hdr_len - copied));
1443 hwdesc = &tx_ring->desc_head[producer];
1444 tx_ring->cmd_buf_arr[producer].skb = NULL;
1446 skb_copy_from_linear_data_offset(skb, copied,
1447 (char *)hwdesc + offset, copy_len);
1452 producer = get_next_index(producer, tx_ring->num_desc);
1455 tx_ring->producer = producer;
1457 adapter->stats.lso_frames++;
1461 qlcnic_map_tx_skb(struct pci_dev *pdev,
1462 struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf)
1464 struct qlcnic_skb_frag *nf;
1465 struct skb_frag_struct *frag;
1469 nr_frags = skb_shinfo(skb)->nr_frags;
1470 nf = &pbuf->frag_array[0];
1472 map = pci_map_single(pdev, skb->data,
1473 skb_headlen(skb), PCI_DMA_TODEVICE);
1474 if (pci_dma_mapping_error(pdev, map))
1478 nf->length = skb_headlen(skb);
1480 for (i = 0; i < nr_frags; i++) {
1481 frag = &skb_shinfo(skb)->frags[i];
1482 nf = &pbuf->frag_array[i+1];
1484 map = pci_map_page(pdev, frag->page, frag->page_offset,
1485 frag->size, PCI_DMA_TODEVICE);
1486 if (pci_dma_mapping_error(pdev, map))
1490 nf->length = frag->size;
1497 nf = &pbuf->frag_array[i+1];
1498 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
1501 nf = &pbuf->frag_array[0];
1502 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
1509 qlcnic_clear_cmddesc(u64 *desc)
1516 qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
1518 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1519 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
1520 struct qlcnic_cmd_buffer *pbuf;
1521 struct qlcnic_skb_frag *buffrag;
1522 struct cmd_desc_type0 *hwdesc, *first_desc;
1523 struct pci_dev *pdev;
1527 int frag_count, no_of_desc;
1528 u32 num_txd = tx_ring->num_desc;
1530 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
1531 netif_stop_queue(netdev);
1532 return NETDEV_TX_BUSY;
1535 frag_count = skb_shinfo(skb)->nr_frags + 1;
1537 /* 4 fragments per cmd des */
1538 no_of_desc = (frag_count + 3) >> 2;
1540 if (unlikely(no_of_desc + 2 > qlcnic_tx_avail(tx_ring))) {
1541 netif_stop_queue(netdev);
1542 adapter->stats.xmit_off++;
1543 return NETDEV_TX_BUSY;
1546 producer = tx_ring->producer;
1547 pbuf = &tx_ring->cmd_buf_arr[producer];
1549 pdev = adapter->pdev;
1551 if (qlcnic_map_tx_skb(pdev, skb, pbuf)) {
1552 adapter->stats.tx_dma_map_error++;
1557 pbuf->frag_count = frag_count;
1559 first_desc = hwdesc = &tx_ring->desc_head[producer];
1560 qlcnic_clear_cmddesc((u64 *)hwdesc);
1562 qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len);
1563 qlcnic_set_tx_port(first_desc, adapter->portnum);
1565 for (i = 0; i < frag_count; i++) {
1569 if ((k == 0) && (i > 0)) {
1570 /* move to next desc.*/
1571 producer = get_next_index(producer, num_txd);
1572 hwdesc = &tx_ring->desc_head[producer];
1573 qlcnic_clear_cmddesc((u64 *)hwdesc);
1574 tx_ring->cmd_buf_arr[producer].skb = NULL;
1577 buffrag = &pbuf->frag_array[i];
1579 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
1582 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
1585 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
1588 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
1591 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
1596 tx_ring->producer = get_next_index(producer, num_txd);
1598 qlcnic_tso_check(netdev, tx_ring, first_desc, skb);
1600 qlcnic_update_cmd_producer(adapter, tx_ring);
1602 adapter->stats.txbytes += skb->len;
1603 adapter->stats.xmitcalled++;
1605 return NETDEV_TX_OK;
1608 adapter->stats.txdropped++;
1609 dev_kfree_skb_any(skb);
1610 return NETDEV_TX_OK;
1613 static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
1615 struct net_device *netdev = adapter->netdev;
1616 u32 temp, temp_state, temp_val;
1619 temp = QLCRD32(adapter, CRB_TEMP_STATE);
1621 temp_state = qlcnic_get_temp_state(temp);
1622 temp_val = qlcnic_get_temp_val(temp);
1624 if (temp_state == QLCNIC_TEMP_PANIC) {
1625 dev_err(&netdev->dev,
1626 "Device temperature %d degrees C exceeds"
1627 " maximum allowed. Hardware has been shut down.\n",
1630 } else if (temp_state == QLCNIC_TEMP_WARN) {
1631 if (adapter->temp == QLCNIC_TEMP_NORMAL) {
1632 dev_err(&netdev->dev,
1633 "Device temperature %d degrees C "
1634 "exceeds operating range."
1635 " Immediate action needed.\n",
1639 if (adapter->temp == QLCNIC_TEMP_WARN) {
1640 dev_info(&netdev->dev,
1641 "Device temperature is now %d degrees C"
1642 " in normal range.\n", temp_val);
1645 adapter->temp = temp_state;
1649 void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup)
1651 struct net_device *netdev = adapter->netdev;
1653 if (adapter->ahw.linkup && !linkup) {
1654 dev_info(&netdev->dev, "NIC Link is down\n");
1655 adapter->ahw.linkup = 0;
1656 if (netif_running(netdev)) {
1657 netif_carrier_off(netdev);
1658 netif_stop_queue(netdev);
1660 } else if (!adapter->ahw.linkup && linkup) {
1661 dev_info(&netdev->dev, "NIC Link is up\n");
1662 adapter->ahw.linkup = 1;
1663 if (netif_running(netdev)) {
1664 netif_carrier_on(netdev);
1665 netif_wake_queue(netdev);
1670 static void qlcnic_tx_timeout(struct net_device *netdev)
1672 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1674 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1677 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
1678 schedule_work(&adapter->tx_timeout_task);
1681 static void qlcnic_tx_timeout_task(struct work_struct *work)
1683 struct qlcnic_adapter *adapter =
1684 container_of(work, struct qlcnic_adapter, tx_timeout_task);
1686 if (!netif_running(adapter->netdev))
1689 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1692 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
1695 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1696 if (!qlcnic_reset_context(adapter)) {
1697 adapter->netdev->trans_start = jiffies;
1700 /* context reset failed, fall through for fw reset */
1704 adapter->need_fw_reset = 1;
1705 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1706 QLCDB(adapter, DRV, "Resetting adapter\n");
1709 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
1711 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1712 struct net_device_stats *stats = &netdev->stats;
1714 memset(stats, 0, sizeof(*stats));
1716 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
1717 stats->tx_packets = adapter->stats.xmitfinished;
1718 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
1719 stats->tx_bytes = adapter->stats.txbytes;
1720 stats->rx_dropped = adapter->stats.rxdropped;
1721 stats->tx_dropped = adapter->stats.txdropped;
1726 static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
1730 status = readl(adapter->isr_int_vec);
1732 if (!(status & adapter->int_vec_bit))
1735 /* check interrupt state machine, to be sure */
1736 status = readl(adapter->crb_int_state_reg);
1737 if (!ISR_LEGACY_INT_TRIGGERED(status))
1740 writel(0xffffffff, adapter->tgt_status_reg);
1741 /* read twice to ensure write is flushed */
1742 readl(adapter->isr_int_vec);
1743 readl(adapter->isr_int_vec);
1748 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
1750 struct qlcnic_host_sds_ring *sds_ring = data;
1751 struct qlcnic_adapter *adapter = sds_ring->adapter;
1753 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1755 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
1756 writel(0xffffffff, adapter->tgt_status_reg);
1760 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
1764 adapter->diag_cnt++;
1765 qlcnic_enable_int(sds_ring);
1769 static irqreturn_t qlcnic_intr(int irq, void *data)
1771 struct qlcnic_host_sds_ring *sds_ring = data;
1772 struct qlcnic_adapter *adapter = sds_ring->adapter;
1774 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
1777 napi_schedule(&sds_ring->napi);
1782 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
1784 struct qlcnic_host_sds_ring *sds_ring = data;
1785 struct qlcnic_adapter *adapter = sds_ring->adapter;
1787 /* clear interrupt */
1788 writel(0xffffffff, adapter->tgt_status_reg);
1790 napi_schedule(&sds_ring->napi);
1794 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
1796 struct qlcnic_host_sds_ring *sds_ring = data;
1798 napi_schedule(&sds_ring->napi);
1802 static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter)
1804 u32 sw_consumer, hw_consumer;
1806 struct qlcnic_cmd_buffer *buffer;
1807 struct pci_dev *pdev = adapter->pdev;
1808 struct net_device *netdev = adapter->netdev;
1809 struct qlcnic_skb_frag *frag;
1811 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
1813 if (!spin_trylock(&adapter->tx_clean_lock))
1816 sw_consumer = tx_ring->sw_consumer;
1817 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
1819 while (sw_consumer != hw_consumer) {
1820 buffer = &tx_ring->cmd_buf_arr[sw_consumer];
1822 frag = &buffer->frag_array[0];
1823 pci_unmap_single(pdev, frag->dma, frag->length,
1826 for (i = 1; i < buffer->frag_count; i++) {
1828 pci_unmap_page(pdev, frag->dma, frag->length,
1833 adapter->stats.xmitfinished++;
1834 dev_kfree_skb_any(buffer->skb);
1838 sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc);
1839 if (++count >= MAX_STATUS_HANDLE)
1843 if (count && netif_running(netdev)) {
1844 tx_ring->sw_consumer = sw_consumer;
1848 if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) {
1849 __netif_tx_lock(tx_ring->txq, smp_processor_id());
1850 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) {
1851 netif_wake_queue(netdev);
1852 adapter->tx_timeo_cnt = 0;
1853 adapter->stats.xmit_on++;
1855 __netif_tx_unlock(tx_ring->txq);
1859 * If everything is freed up to consumer then check if the ring is full
1860 * If the ring is full then check if more needs to be freed and
1861 * schedule the call back again.
1863 * This happens when there are 2 CPUs. One could be freeing and the
1864 * other filling it. If the ring is full when we get out of here and
1865 * the card has already interrupted the host then the host can miss the
1868 * There is still a possible race condition and the host could miss an
1869 * interrupt. The card has to take care of this.
1871 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
1872 done = (sw_consumer == hw_consumer);
1873 spin_unlock(&adapter->tx_clean_lock);
1878 static int qlcnic_poll(struct napi_struct *napi, int budget)
1880 struct qlcnic_host_sds_ring *sds_ring =
1881 container_of(napi, struct qlcnic_host_sds_ring, napi);
1883 struct qlcnic_adapter *adapter = sds_ring->adapter;
1888 tx_complete = qlcnic_process_cmd_ring(adapter);
1890 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
1892 if ((work_done < budget) && tx_complete) {
1893 napi_complete(&sds_ring->napi);
1894 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1895 qlcnic_enable_int(sds_ring);
1901 #ifdef CONFIG_NET_POLL_CONTROLLER
1902 static void qlcnic_poll_controller(struct net_device *netdev)
1904 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1905 disable_irq(adapter->irq);
1906 qlcnic_intr(adapter->irq, adapter);
1907 enable_irq(adapter->irq);
1912 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
1916 val = adapter->portnum & 0xf;
1917 val |= encoding << 7;
1918 val |= (jiffies - adapter->dev_rst_time) << 8;
1920 QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
1921 adapter->dev_rst_time = jiffies;
1925 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
1929 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
1930 state != QLCNIC_DEV_NEED_QUISCENT);
1932 if (qlcnic_api_lock(adapter))
1935 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
1937 if (state == QLCNIC_DEV_NEED_RESET)
1938 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
1939 else if (state == QLCNIC_DEV_NEED_QUISCENT)
1940 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
1942 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1944 qlcnic_api_unlock(adapter);
1950 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
1954 if (qlcnic_api_lock(adapter))
1957 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
1958 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
1959 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1961 qlcnic_api_unlock(adapter);
1967 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter)
1971 if (qlcnic_api_lock(adapter))
1974 val = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT);
1975 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
1976 QLCWR32(adapter, QLCNIC_CRB_DEV_REF_COUNT, val);
1978 if (!(val & 0x11111111))
1979 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD);
1981 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
1982 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
1983 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
1985 qlcnic_api_unlock(adapter);
1987 adapter->fw_fail_cnt = 0;
1988 clear_bit(__QLCNIC_START_FW, &adapter->state);
1989 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1992 /* Grab api lock, before checking state */
1994 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
1998 state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
1999 act = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT);
2001 if (((state & 0x11111111) == (act & 0x11111111)) ||
2002 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2008 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2010 u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2012 if (val != QLCNIC_DRV_IDC_VER) {
2013 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2014 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2021 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2023 u32 val, prev_state;
2024 u8 dev_init_timeo = adapter->dev_init_timeo;
2025 u8 portnum = adapter->portnum;
2028 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2031 if (qlcnic_api_lock(adapter))
2034 val = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT);
2035 if (!(val & (1 << (portnum * 4)))) {
2036 QLC_DEV_SET_REF_CNT(val, portnum);
2037 QLCWR32(adapter, QLCNIC_CRB_DEV_REF_COUNT, val);
2040 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2041 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2043 switch (prev_state) {
2044 case QLCNIC_DEV_COLD:
2045 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
2046 QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
2047 qlcnic_idc_debug_info(adapter, 0);
2048 qlcnic_api_unlock(adapter);
2051 case QLCNIC_DEV_READY:
2052 ret = qlcnic_check_idc_ver(adapter);
2053 qlcnic_api_unlock(adapter);
2056 case QLCNIC_DEV_NEED_RESET:
2057 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2058 QLC_DEV_SET_RST_RDY(val, portnum);
2059 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2062 case QLCNIC_DEV_NEED_QUISCENT:
2063 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2064 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2065 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2068 case QLCNIC_DEV_FAILED:
2069 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2070 qlcnic_api_unlock(adapter);
2073 case QLCNIC_DEV_INITIALIZING:
2074 case QLCNIC_DEV_QUISCENT:
2078 qlcnic_api_unlock(adapter);
2082 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2084 if (prev_state == QLCNIC_DEV_QUISCENT)
2086 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2088 if (!dev_init_timeo) {
2089 dev_err(&adapter->pdev->dev,
2090 "Waiting for device to initialize timeout\n");
2094 if (qlcnic_api_lock(adapter))
2097 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2098 QLC_DEV_CLR_RST_QSCNT(val, portnum);
2099 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2101 ret = qlcnic_check_idc_ver(adapter);
2102 qlcnic_api_unlock(adapter);
2108 qlcnic_fwinit_work(struct work_struct *work)
2110 struct qlcnic_adapter *adapter = container_of(work,
2111 struct qlcnic_adapter, fw_work.work);
2112 u32 dev_state = 0xf;
2114 if (qlcnic_api_lock(adapter))
2117 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2118 if (dev_state == QLCNIC_DEV_QUISCENT) {
2119 qlcnic_api_unlock(adapter);
2120 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2125 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2126 dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2127 adapter->reset_ack_timeo);
2128 goto skip_ack_check;
2131 if (!qlcnic_check_drv_state(adapter)) {
2133 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2135 if (dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2136 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2137 QLCNIC_DEV_QUISCENT);
2138 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2140 QLCDB(adapter, DRV, "Quiscing the driver\n");
2141 qlcnic_idc_debug_info(adapter, 0);
2143 qlcnic_api_unlock(adapter);
2147 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2148 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2149 QLCNIC_DEV_INITIALIZING);
2150 set_bit(__QLCNIC_START_FW, &adapter->state);
2151 QLCDB(adapter, DRV, "Restarting fw\n");
2152 qlcnic_idc_debug_info(adapter, 0);
2155 qlcnic_api_unlock(adapter);
2157 if (!qlcnic_start_firmware(adapter)) {
2158 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2164 qlcnic_api_unlock(adapter);
2166 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2167 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2169 switch (dev_state) {
2170 case QLCNIC_DEV_QUISCENT:
2171 case QLCNIC_DEV_NEED_QUISCENT:
2172 case QLCNIC_DEV_NEED_RESET:
2173 qlcnic_schedule_work(adapter,
2174 qlcnic_fwinit_work, FW_POLL_DELAY);
2176 case QLCNIC_DEV_FAILED:
2180 if (!qlcnic_start_firmware(adapter)) {
2181 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2187 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2188 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2189 netif_device_attach(adapter->netdev);
2190 qlcnic_clr_all_drv_state(adapter);
2194 qlcnic_detach_work(struct work_struct *work)
2196 struct qlcnic_adapter *adapter = container_of(work,
2197 struct qlcnic_adapter, fw_work.work);
2198 struct net_device *netdev = adapter->netdev;
2201 netif_device_detach(netdev);
2203 qlcnic_down(adapter, netdev);
2206 qlcnic_detach(adapter);
2209 status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2211 if (status & QLCNIC_RCODE_FATAL_ERROR)
2214 if (adapter->temp == QLCNIC_TEMP_PANIC)
2217 if (qlcnic_set_drv_state(adapter, adapter->dev_state))
2220 adapter->fw_wait_cnt = 0;
2222 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2227 dev_err(&adapter->pdev->dev, "detach failed; status=%d temp=%d\n",
2228 status, adapter->temp);
2229 netif_device_attach(netdev);
2230 qlcnic_clr_all_drv_state(adapter);
2234 /*Transit to RESET state from READY state only */
2236 qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
2240 if (qlcnic_api_lock(adapter))
2243 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2245 if (state == QLCNIC_DEV_READY) {
2246 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
2247 QLCDB(adapter, DRV, "NEED_RESET state set\n");
2248 qlcnic_idc_debug_info(adapter, 0);
2251 qlcnic_api_unlock(adapter);
2255 qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2256 work_func_t func, int delay)
2258 INIT_DELAYED_WORK(&adapter->fw_work, func);
2259 schedule_delayed_work(&adapter->fw_work, round_jiffies_relative(delay));
2263 qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
2265 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2268 cancel_delayed_work_sync(&adapter->fw_work);
2272 qlcnic_attach_work(struct work_struct *work)
2274 struct qlcnic_adapter *adapter = container_of(work,
2275 struct qlcnic_adapter, fw_work.work);
2276 struct net_device *netdev = adapter->netdev;
2279 if (netif_running(netdev)) {
2280 err = qlcnic_attach(adapter);
2284 err = qlcnic_up(adapter, netdev);
2286 qlcnic_detach(adapter);
2290 qlcnic_config_indev_addr(netdev, NETDEV_UP);
2294 netif_device_attach(netdev);
2295 adapter->fw_fail_cnt = 0;
2296 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2298 if (!qlcnic_clr_drv_state(adapter))
2299 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2304 qlcnic_check_health(struct qlcnic_adapter *adapter)
2306 u32 state = 0, heartbit;
2307 struct net_device *netdev = adapter->netdev;
2309 if (qlcnic_check_temp(adapter))
2312 if (adapter->need_fw_reset)
2313 qlcnic_dev_request_reset(adapter);
2315 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2316 if (state == QLCNIC_DEV_NEED_RESET || state == QLCNIC_DEV_NEED_QUISCENT)
2317 adapter->need_fw_reset = 1;
2319 heartbit = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
2320 if (heartbit != adapter->heartbit) {
2321 adapter->heartbit = heartbit;
2322 adapter->fw_fail_cnt = 0;
2323 if (adapter->need_fw_reset)
2328 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2331 qlcnic_dev_request_reset(adapter);
2333 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
2335 dev_info(&netdev->dev, "firmware hang detected\n");
2338 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2339 QLCNIC_DEV_NEED_RESET;
2341 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
2342 !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) {
2344 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
2345 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
2352 qlcnic_fw_poll_work(struct work_struct *work)
2354 struct qlcnic_adapter *adapter = container_of(work,
2355 struct qlcnic_adapter, fw_work.work);
2357 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2361 if (qlcnic_check_health(adapter))
2365 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2369 qlcnic_store_bridged_mode(struct device *dev,
2370 struct device_attribute *attr, const char *buf, size_t len)
2372 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
2376 if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG))
2379 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2382 if (strict_strtoul(buf, 2, &new))
2385 if (!qlcnic_config_bridged_mode(adapter, !!new))
2393 qlcnic_show_bridged_mode(struct device *dev,
2394 struct device_attribute *attr, char *buf)
2396 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
2397 int bridged_mode = 0;
2399 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
2400 bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED);
2402 return sprintf(buf, "%d\n", bridged_mode);
2405 static struct device_attribute dev_attr_bridged_mode = {
2406 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
2407 .show = qlcnic_show_bridged_mode,
2408 .store = qlcnic_store_bridged_mode,
2412 qlcnic_store_diag_mode(struct device *dev,
2413 struct device_attribute *attr, const char *buf, size_t len)
2415 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
2418 if (strict_strtoul(buf, 2, &new))
2421 if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED))
2422 adapter->flags ^= QLCNIC_DIAG_ENABLED;
2428 qlcnic_show_diag_mode(struct device *dev,
2429 struct device_attribute *attr, char *buf)
2431 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
2433 return sprintf(buf, "%d\n",
2434 !!(adapter->flags & QLCNIC_DIAG_ENABLED));
2437 static struct device_attribute dev_attr_diag_mode = {
2438 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
2439 .show = qlcnic_show_diag_mode,
2440 .store = qlcnic_store_diag_mode,
2444 qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter,
2445 loff_t offset, size_t size)
2447 size_t crb_size = 4;
2449 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
2452 if (offset < QLCNIC_PCI_CRBSPACE) {
2453 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM,
2454 QLCNIC_PCI_CAMQM_END))
2460 if ((size != crb_size) || (offset & (crb_size-1)))
2467 qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj,
2468 struct bin_attribute *attr,
2469 char *buf, loff_t offset, size_t size)
2471 struct device *dev = container_of(kobj, struct device, kobj);
2472 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
2477 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
2481 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
2482 qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata);
2483 memcpy(buf, &qmdata, size);
2485 data = QLCRD32(adapter, offset);
2486 memcpy(buf, &data, size);
2492 qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj,
2493 struct bin_attribute *attr,
2494 char *buf, loff_t offset, size_t size)
2496 struct device *dev = container_of(kobj, struct device, kobj);
2497 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
2502 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
2506 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
2507 memcpy(&qmdata, buf, size);
2508 qlcnic_pci_camqm_write_2M(adapter, offset, qmdata);
2510 memcpy(&data, buf, size);
2511 QLCWR32(adapter, offset, data);
2517 qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter,
2518 loff_t offset, size_t size)
2520 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
2523 if ((size != 8) || (offset & 0x7))
2530 qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj,
2531 struct bin_attribute *attr,
2532 char *buf, loff_t offset, size_t size)
2534 struct device *dev = container_of(kobj, struct device, kobj);
2535 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
2539 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
2543 if (qlcnic_pci_mem_read_2M(adapter, offset, &data))
2546 memcpy(buf, &data, size);
2552 qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj,
2553 struct bin_attribute *attr,
2554 char *buf, loff_t offset, size_t size)
2556 struct device *dev = container_of(kobj, struct device, kobj);
2557 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
2561 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
2565 memcpy(&data, buf, size);
2567 if (qlcnic_pci_mem_write_2M(adapter, offset, data))
2574 static struct bin_attribute bin_attr_crb = {
2575 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
2577 .read = qlcnic_sysfs_read_crb,
2578 .write = qlcnic_sysfs_write_crb,
2581 static struct bin_attribute bin_attr_mem = {
2582 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
2584 .read = qlcnic_sysfs_read_mem,
2585 .write = qlcnic_sysfs_write_mem,
2589 qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter)
2591 struct device *dev = &adapter->pdev->dev;
2593 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
2594 if (device_create_file(dev, &dev_attr_bridged_mode))
2596 "failed to create bridged_mode sysfs entry\n");
2600 qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter)
2602 struct device *dev = &adapter->pdev->dev;
2604 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
2605 device_remove_file(dev, &dev_attr_bridged_mode);
2609 qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
2611 struct device *dev = &adapter->pdev->dev;
2613 if (device_create_file(dev, &dev_attr_diag_mode))
2614 dev_info(dev, "failed to create diag_mode sysfs entry\n");
2615 if (device_create_bin_file(dev, &bin_attr_crb))
2616 dev_info(dev, "failed to create crb sysfs entry\n");
2617 if (device_create_bin_file(dev, &bin_attr_mem))
2618 dev_info(dev, "failed to create mem sysfs entry\n");
2623 qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
2625 struct device *dev = &adapter->pdev->dev;
2627 device_remove_file(dev, &dev_attr_diag_mode);
2628 device_remove_bin_file(dev, &bin_attr_crb);
2629 device_remove_bin_file(dev, &bin_attr_mem);
2634 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
2637 qlcnic_config_indev_addr(struct net_device *dev, unsigned long event)
2639 struct in_device *indev;
2640 struct qlcnic_adapter *adapter = netdev_priv(dev);
2642 indev = in_dev_get(dev);
2649 qlcnic_config_ipaddr(adapter,
2650 ifa->ifa_address, QLCNIC_IP_UP);
2653 qlcnic_config_ipaddr(adapter,
2654 ifa->ifa_address, QLCNIC_IP_DOWN);
2659 } endfor_ifa(indev);
2664 static int qlcnic_netdev_event(struct notifier_block *this,
2665 unsigned long event, void *ptr)
2667 struct qlcnic_adapter *adapter;
2668 struct net_device *dev = (struct net_device *)ptr;
2674 if (dev->priv_flags & IFF_802_1Q_VLAN) {
2675 dev = vlan_dev_real_dev(dev);
2679 if (!is_qlcnic_netdev(dev))
2682 adapter = netdev_priv(dev);
2687 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2690 qlcnic_config_indev_addr(dev, event);
2696 qlcnic_inetaddr_event(struct notifier_block *this,
2697 unsigned long event, void *ptr)
2699 struct qlcnic_adapter *adapter;
2700 struct net_device *dev;
2702 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
2704 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
2707 if (dev == NULL || !netif_running(dev))
2710 if (dev->priv_flags & IFF_802_1Q_VLAN) {
2711 dev = vlan_dev_real_dev(dev);
2715 if (!is_qlcnic_netdev(dev))
2718 adapter = netdev_priv(dev);
2723 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2728 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
2731 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
2741 static struct notifier_block qlcnic_netdev_cb = {
2742 .notifier_call = qlcnic_netdev_event,
2745 static struct notifier_block qlcnic_inetaddr_cb = {
2746 .notifier_call = qlcnic_inetaddr_event,
2750 qlcnic_config_indev_addr(struct net_device *dev, unsigned long event)
2754 static struct pci_driver qlcnic_driver = {
2755 .name = qlcnic_driver_name,
2756 .id_table = qlcnic_pci_tbl,
2757 .probe = qlcnic_probe,
2758 .remove = __devexit_p(qlcnic_remove),
2760 .suspend = qlcnic_suspend,
2761 .resume = qlcnic_resume,
2763 .shutdown = qlcnic_shutdown
2766 static int __init qlcnic_init_module(void)
2769 printk(KERN_INFO "%s\n", qlcnic_driver_string);
2772 register_netdevice_notifier(&qlcnic_netdev_cb);
2773 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
2777 return pci_register_driver(&qlcnic_driver);
2780 module_init(qlcnic_init_module);
2782 static void __exit qlcnic_exit_module(void)
2785 pci_unregister_driver(&qlcnic_driver);
2788 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
2789 unregister_netdevice_notifier(&qlcnic_netdev_cb);
2793 module_exit(qlcnic_exit_module);