2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2010 QLogic Corporation
5 * See LICENSE.qlcnic for copyright and licensing details.
8 #include <linux/slab.h>
9 #include <linux/vmalloc.h>
10 #include <linux/interrupt.h>
14 #include <linux/swab.h>
15 #include <linux/dma-mapping.h>
17 #include <linux/ipv6.h>
18 #include <linux/inetdevice.h>
19 #include <linux/sysfs.h>
20 #include <linux/aer.h>
21 #include <linux/log2.h>
23 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
24 MODULE_LICENSE("GPL");
25 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
26 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
28 char qlcnic_driver_name[] = "qlcnic";
29 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
30 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
32 static struct workqueue_struct *qlcnic_wq;
33 static int qlcnic_mac_learn;
34 module_param(qlcnic_mac_learn, int, 0444);
35 MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)");
37 static int qlcnic_use_msi = 1;
38 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
39 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
41 static int qlcnic_use_msi_x = 1;
42 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
43 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
45 static int qlcnic_auto_fw_reset = 1;
46 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
47 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
49 static int qlcnic_load_fw_file;
50 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
51 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
53 static int qlcnic_config_npars;
54 module_param(qlcnic_config_npars, int, 0444);
55 MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
57 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
58 static void qlcnic_remove(struct pci_dev *pdev);
59 static int qlcnic_open(struct net_device *netdev);
60 static int qlcnic_close(struct net_device *netdev);
61 static void qlcnic_tx_timeout(struct net_device *netdev);
62 static void qlcnic_attach_work(struct work_struct *work);
63 static void qlcnic_fwinit_work(struct work_struct *work);
64 static void qlcnic_fw_poll_work(struct work_struct *work);
65 static void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
66 work_func_t func, int delay);
67 static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter);
68 #ifdef CONFIG_NET_POLL_CONTROLLER
69 static void qlcnic_poll_controller(struct net_device *netdev);
72 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
73 static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
74 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
76 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
77 static irqreturn_t qlcnic_intr(int irq, void *data);
78 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
79 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
81 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
82 static void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long);
83 static int qlcnic_start_firmware(struct qlcnic_adapter *);
85 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
86 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
87 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
88 static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
89 struct qlcnic_esw_func_cfg *);
90 static int qlcnic_vlan_rx_add(struct net_device *, u16);
91 static int qlcnic_vlan_rx_del(struct net_device *, u16);
93 #define QLCNIC_IS_TSO_CAPABLE(adapter) \
94 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
96 /* PCI Device ID Table */
97 #define ENTRY(device) \
98 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
99 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
101 #define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020
103 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
104 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
108 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
111 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
113 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
116 static const u32 msi_tgt_status[8] = {
117 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
118 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
119 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
120 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
123 static const struct qlcnic_board_info qlcnic_boards[] = {
124 {0x1077, 0x8020, 0x1077, 0x203,
125 "8200 Series Single Port 10GbE Converged Network Adapter"
126 "(TCP/IP Networking)"},
127 {0x1077, 0x8020, 0x1077, 0x207,
128 "8200 Series Dual Port 10GbE Converged Network Adapter"
129 "(TCP/IP Networking)"},
130 {0x1077, 0x8020, 0x1077, 0x20b,
131 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
132 {0x1077, 0x8020, 0x1077, 0x20c,
133 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
134 {0x1077, 0x8020, 0x1077, 0x20f,
135 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
136 {0x1077, 0x8020, 0x103c, 0x3733,
137 "NC523SFP 10Gb 2-port Server Adapter"},
138 {0x1077, 0x8020, 0x103c, 0x3346,
139 "CN1000Q Dual Port Converged Network Adapter"},
140 {0x1077, 0x8020, 0x1077, 0x210,
141 "QME8242-k 10GbE Dual Port Mezzanine Card"},
142 {0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
145 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
148 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
150 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
152 int size = sizeof(struct qlcnic_host_sds_ring) * count;
154 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
156 return recv_ctx->sds_rings == NULL;
159 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
161 if (recv_ctx->sds_rings != NULL)
162 kfree(recv_ctx->sds_rings);
164 recv_ctx->sds_rings = NULL;
167 static void qlcnic_clear_stats(struct qlcnic_adapter *adapter)
169 memset(&adapter->stats, 0, sizeof(adapter->stats));
172 static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable)
177 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
179 pci_read_config_dword(pdev, pos, &control);
181 control |= PCI_MSIX_FLAGS_ENABLE;
184 pci_write_config_dword(pdev, pos, control);
188 static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count)
192 for (i = 0; i < count; i++)
193 adapter->msix_entries[i].entry = i;
197 qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
199 u8 mac_addr[ETH_ALEN];
200 struct net_device *netdev = adapter->netdev;
201 struct pci_dev *pdev = adapter->pdev;
203 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
206 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
207 memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
208 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
210 /* set station address */
212 if (!is_valid_ether_addr(netdev->perm_addr))
213 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
219 static int qlcnic_set_mac(struct net_device *netdev, void *p)
221 struct qlcnic_adapter *adapter = netdev_priv(netdev);
222 struct sockaddr *addr = p;
224 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
227 if (!is_valid_ether_addr(addr->sa_data))
228 return -EADDRNOTAVAIL;
230 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
231 netif_device_detach(netdev);
232 qlcnic_napi_disable(adapter);
235 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
236 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
237 qlcnic_set_multi(adapter->netdev);
239 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
240 netif_device_attach(netdev);
241 qlcnic_napi_enable(adapter);
246 static const struct net_device_ops qlcnic_netdev_ops = {
247 .ndo_open = qlcnic_open,
248 .ndo_stop = qlcnic_close,
249 .ndo_start_xmit = qlcnic_xmit_frame,
250 .ndo_get_stats = qlcnic_get_stats,
251 .ndo_validate_addr = eth_validate_addr,
252 .ndo_set_rx_mode = qlcnic_set_multi,
253 .ndo_set_mac_address = qlcnic_set_mac,
254 .ndo_change_mtu = qlcnic_change_mtu,
255 .ndo_fix_features = qlcnic_fix_features,
256 .ndo_set_features = qlcnic_set_features,
257 .ndo_tx_timeout = qlcnic_tx_timeout,
258 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
259 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
260 #ifdef CONFIG_NET_POLL_CONTROLLER
261 .ndo_poll_controller = qlcnic_poll_controller,
265 static const struct net_device_ops qlcnic_netdev_failed_ops = {
266 .ndo_open = qlcnic_open,
269 static struct qlcnic_nic_template qlcnic_ops = {
270 .config_bridged_mode = qlcnic_config_bridged_mode,
271 .config_led = qlcnic_config_led,
272 .start_firmware = qlcnic_start_firmware
275 static struct qlcnic_nic_template qlcnic_vf_ops = {
276 .config_bridged_mode = qlcnicvf_config_bridged_mode,
277 .config_led = qlcnicvf_config_led,
278 .start_firmware = qlcnicvf_start_firmware
281 static int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
283 struct pci_dev *pdev = adapter->pdev;
286 adapter->max_sds_rings = 1;
287 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
288 qlcnic_set_msix_bit(pdev, 0);
290 if (adapter->ahw->msix_supported) {
292 qlcnic_init_msix_entries(adapter, num_msix);
293 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
295 adapter->flags |= QLCNIC_MSIX_ENABLED;
296 qlcnic_set_msix_bit(pdev, 1);
298 adapter->max_sds_rings = num_msix;
300 dev_info(&pdev->dev, "using msi-x interrupts\n");
304 num_msix = rounddown_pow_of_two(err);
312 static void qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
314 u32 offset, mask_reg;
315 const struct qlcnic_legacy_intr_set *legacy_intrp;
316 struct qlcnic_hardware_context *ahw = adapter->ahw;
317 struct pci_dev *pdev = adapter->pdev;
319 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
320 adapter->flags |= QLCNIC_MSI_ENABLED;
321 offset = msi_tgt_status[adapter->ahw->pci_func];
322 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
324 dev_info(&pdev->dev, "using msi interrupts\n");
325 adapter->msix_entries[0].vector = pdev->irq;
329 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
330 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
331 offset = legacy_intrp->tgt_status_reg;
332 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
333 mask_reg = legacy_intrp->tgt_mask_reg;
334 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
335 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
336 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
337 dev_info(&pdev->dev, "using legacy interrupts\n");
338 adapter->msix_entries[0].vector = pdev->irq;
342 qlcnic_setup_intr(struct qlcnic_adapter *adapter)
346 if (adapter->ahw->msix_supported) {
347 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
348 QLCNIC_DEF_NUM_STS_DESC_RINGS));
352 if (!qlcnic_enable_msix(adapter, num_msix))
355 qlcnic_enable_msi_legacy(adapter);
359 qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
361 if (adapter->flags & QLCNIC_MSIX_ENABLED)
362 pci_disable_msix(adapter->pdev);
363 if (adapter->flags & QLCNIC_MSI_ENABLED)
364 pci_disable_msi(adapter->pdev);
368 qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
370 if (adapter->ahw->pci_base0 != NULL)
371 iounmap(adapter->ahw->pci_base0);
374 static int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
376 struct qlcnic_pci_info *pci_info;
377 int i, ret = 0, j = 0;
381 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
385 ret = qlcnic_get_pci_info(adapter, pci_info);
389 act_pci_func = adapter->ahw->act_pci_func;
391 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
392 act_pci_func, GFP_KERNEL);
393 if (!adapter->npars) {
398 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
399 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
400 if (!adapter->eswitch) {
405 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
406 pfn = pci_info[i].id;
408 if (pfn >= QLCNIC_MAX_PCI_FUNC) {
409 ret = QL_STATUS_INVALID_PARAM;
413 if (!pci_info[i].active ||
414 (pci_info[i].type != QLCNIC_TYPE_NIC))
417 adapter->npars[j].pci_func = pfn;
418 adapter->npars[j].active = (u8)pci_info[i].active;
419 adapter->npars[j].type = (u8)pci_info[i].type;
420 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
421 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
422 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
426 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
427 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
433 kfree(adapter->eswitch);
434 adapter->eswitch = NULL;
436 kfree(adapter->npars);
437 adapter->npars = NULL;
445 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
449 u32 data = QLCNIC_MGMT_FUNC;
450 struct qlcnic_hardware_context *ahw = adapter->ahw;
452 ret = qlcnic_api_lock(adapter);
456 if (qlcnic_config_npars) {
457 for (i = 0; i < ahw->act_pci_func; i++) {
458 id = adapter->npars[i].pci_func;
459 if (id == ahw->pci_func)
461 data |= (qlcnic_config_npars &
462 QLC_DEV_SET_DRV(0xf, id));
465 data = QLCRD32(adapter, QLCNIC_DRV_OP_MODE);
466 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
467 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
470 QLCWR32(adapter, QLCNIC_DRV_OP_MODE, data);
471 qlcnic_api_unlock(adapter);
477 qlcnic_check_vf(struct qlcnic_adapter *adapter)
479 void __iomem *msix_base_addr;
480 void __iomem *priv_op;
483 u32 op_mode, priv_level;
485 /* Determine FW API version */
486 adapter->ahw->fw_hal_version = readl(adapter->ahw->pci_base0 +
489 /* Find PCI function number */
490 pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func);
491 msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE;
492 msix_base = readl(msix_base_addr);
493 func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE;
494 adapter->ahw->pci_func = func;
496 /* Determine function privilege level */
497 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
498 op_mode = readl(priv_op);
499 if (op_mode == QLC_DEV_DRV_DEFAULT)
500 priv_level = QLCNIC_MGMT_FUNC;
502 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
504 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
505 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
506 dev_info(&adapter->pdev->dev,
507 "HAL Version: %d Non Privileged function\n",
508 adapter->ahw->fw_hal_version);
509 adapter->nic_ops = &qlcnic_vf_ops;
511 adapter->nic_ops = &qlcnic_ops;
514 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
515 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
518 case PCI_DEVICE_ID_QLOGIC_QLE824X:
519 *bar = QLCNIC_82XX_BAR0_LENGTH;
526 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
527 struct qlcnic_hardware_context *ahw)
530 void __iomem *mem_ptr0 = NULL;
531 unsigned long mem_len, pci_len0 = 0, bar0_len;
533 /* remap phys address */
534 mem_len = pci_resource_len(pdev, 0);
536 qlcnic_get_bar_length(pdev->device, &bar0_len);
537 if (mem_len >= bar0_len) {
539 mem_ptr0 = pci_ioremap_bar(pdev, 0);
540 if (mem_ptr0 == NULL) {
541 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
549 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
550 ahw->pci_base0 = mem_ptr0;
551 ahw->pci_len0 = pci_len0;
552 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
553 qlcnic_get_ioaddr(ahw, offset);
558 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
560 struct pci_dev *pdev = adapter->pdev;
563 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
564 if (qlcnic_boards[i].vendor == pdev->vendor &&
565 qlcnic_boards[i].device == pdev->device &&
566 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
567 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
568 sprintf(name, "%pM: %s" ,
570 qlcnic_boards[i].short_name);
578 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
582 qlcnic_check_options(struct qlcnic_adapter *adapter)
584 u32 fw_major, fw_minor, fw_build, prev_fw_version;
585 struct pci_dev *pdev = adapter->pdev;
586 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
588 prev_fw_version = adapter->fw_version;
590 fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR);
591 fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR);
592 fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB);
594 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
596 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
597 if (fw_dump->tmpl_hdr == NULL ||
598 adapter->fw_version > prev_fw_version) {
599 if (fw_dump->tmpl_hdr)
600 vfree(fw_dump->tmpl_hdr);
601 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
603 "Supports FW dump capability\n");
607 dev_info(&pdev->dev, "firmware v%d.%d.%d\n",
608 fw_major, fw_minor, fw_build);
609 if (adapter->ahw->port_type == QLCNIC_XGBE) {
610 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
611 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
612 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
614 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
615 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
618 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
619 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
621 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
622 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
623 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
624 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
625 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
628 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
630 adapter->num_txd = MAX_CMD_DESCRIPTORS;
632 adapter->max_rds_rings = MAX_RDS_RINGS;
636 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
639 struct qlcnic_info nic_info;
641 memset(&nic_info, 0, sizeof(struct qlcnic_info));
642 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
646 adapter->ahw->physical_port = (u8)nic_info.phys_port;
647 adapter->ahw->switch_mode = nic_info.switch_mode;
648 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
649 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
650 adapter->ahw->capabilities = nic_info.capabilities;
651 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
652 adapter->ahw->max_mtu = nic_info.max_mtu;
654 if (adapter->ahw->capabilities & BIT_6)
655 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
657 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
662 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
663 struct qlcnic_esw_func_cfg *esw_cfg)
665 if (esw_cfg->discard_tagged)
666 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
668 adapter->flags |= QLCNIC_TAGGING_ENABLED;
670 if (esw_cfg->vlan_id)
671 adapter->pvid = esw_cfg->vlan_id;
677 qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
679 struct qlcnic_adapter *adapter = netdev_priv(netdev);
680 set_bit(vid, adapter->vlans);
685 qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
687 struct qlcnic_adapter *adapter = netdev_priv(netdev);
689 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
690 clear_bit(vid, adapter->vlans);
694 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
695 struct qlcnic_esw_func_cfg *esw_cfg)
697 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
698 QLCNIC_PROMISC_DISABLED);
700 if (esw_cfg->mac_anti_spoof)
701 adapter->flags |= QLCNIC_MACSPOOF;
703 if (!esw_cfg->mac_override)
704 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
706 if (!esw_cfg->promisc_mode)
707 adapter->flags |= QLCNIC_PROMISC_DISABLED;
709 qlcnic_set_netdev_features(adapter, esw_cfg);
712 static int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
714 struct qlcnic_esw_func_cfg esw_cfg;
716 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
719 esw_cfg.pci_func = adapter->ahw->pci_func;
720 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
722 qlcnic_set_vlan_config(adapter, &esw_cfg);
723 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
729 qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
730 struct qlcnic_esw_func_cfg *esw_cfg)
732 struct net_device *netdev = adapter->netdev;
733 netdev_features_t features, vlan_features;
735 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
736 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
737 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
738 NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER);
740 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
741 features |= (NETIF_F_TSO | NETIF_F_TSO6);
742 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
745 if (netdev->features & NETIF_F_LRO)
746 features |= NETIF_F_LRO;
748 if (esw_cfg->offload_flags & BIT_0) {
749 netdev->features |= features;
750 if (!(esw_cfg->offload_flags & BIT_1))
751 netdev->features &= ~NETIF_F_TSO;
752 if (!(esw_cfg->offload_flags & BIT_2))
753 netdev->features &= ~NETIF_F_TSO6;
755 netdev->features &= ~features;
758 netdev->vlan_features = (features & vlan_features);
762 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
764 void __iomem *priv_op;
765 u32 op_mode, priv_level;
768 err = qlcnic_initialize_nic(adapter);
772 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
775 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
776 op_mode = readl(priv_op);
777 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
779 if (op_mode == QLC_DEV_DRV_DEFAULT)
780 priv_level = QLCNIC_MGMT_FUNC;
782 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
784 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
785 if (priv_level == QLCNIC_MGMT_FUNC) {
786 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
787 err = qlcnic_init_pci_info(adapter);
790 /* Set privilege level for other functions */
791 qlcnic_set_function_modes(adapter);
792 dev_info(&adapter->pdev->dev,
793 "HAL Version: %d, Management function\n",
794 adapter->ahw->fw_hal_version);
795 } else if (priv_level == QLCNIC_PRIV_FUNC) {
796 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
797 dev_info(&adapter->pdev->dev,
798 "HAL Version: %d, Privileged function\n",
799 adapter->ahw->fw_hal_version);
803 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
808 static int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
810 struct qlcnic_esw_func_cfg esw_cfg;
811 struct qlcnic_npar_info *npar;
814 if (adapter->need_fw_reset)
817 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
818 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
819 esw_cfg.pci_func = adapter->npars[i].pci_func;
820 esw_cfg.mac_override = BIT_0;
821 esw_cfg.promisc_mode = BIT_0;
822 if (qlcnic_82xx_check(adapter)) {
823 esw_cfg.offload_flags = BIT_0;
824 if (QLCNIC_IS_TSO_CAPABLE(adapter))
825 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
827 if (qlcnic_config_switch_port(adapter, &esw_cfg))
829 npar = &adapter->npars[i];
830 npar->pvid = esw_cfg.vlan_id;
831 npar->mac_override = esw_cfg.mac_override;
832 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
833 npar->discard_tagged = esw_cfg.discard_tagged;
834 npar->promisc_mode = esw_cfg.promisc_mode;
835 npar->offload_flags = esw_cfg.offload_flags;
842 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
843 struct qlcnic_npar_info *npar, int pci_func)
845 struct qlcnic_esw_func_cfg esw_cfg;
846 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
847 esw_cfg.pci_func = pci_func;
848 esw_cfg.vlan_id = npar->pvid;
849 esw_cfg.mac_override = npar->mac_override;
850 esw_cfg.discard_tagged = npar->discard_tagged;
851 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
852 esw_cfg.offload_flags = npar->offload_flags;
853 esw_cfg.promisc_mode = npar->promisc_mode;
854 if (qlcnic_config_switch_port(adapter, &esw_cfg))
857 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
858 if (qlcnic_config_switch_port(adapter, &esw_cfg))
864 static int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
867 struct qlcnic_npar_info *npar;
868 struct qlcnic_info nic_info;
871 if (qlcnic_82xx_check(adapter))
872 if (!adapter->need_fw_reset)
875 /* Set the NPAR config data after FW reset */
876 for (i = 0; i < adapter->ahw->act_pci_func; i++) {
877 npar = &adapter->npars[i];
878 pci_func = npar->pci_func;
879 memset(&nic_info, 0, sizeof(struct qlcnic_info));
880 err = qlcnic_get_nic_info(adapter,
881 &nic_info, pci_func);
884 nic_info.min_tx_bw = npar->min_bw;
885 nic_info.max_tx_bw = npar->max_bw;
886 err = qlcnic_set_nic_info(adapter, &nic_info);
890 if (npar->enable_pm) {
891 err = qlcnic_config_port_mirroring(adapter,
897 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
904 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
906 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
909 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
912 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
913 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
915 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
917 if (!npar_opt_timeo) {
918 dev_err(&adapter->pdev->dev,
919 "Waiting for NPAR state to opertional timeout\n");
926 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
930 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
931 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
934 err = qlcnic_set_default_offload_settings(adapter);
938 err = qlcnic_reset_npar_config(adapter);
942 qlcnic_dev_set_npar_ready(adapter);
948 qlcnic_start_firmware(struct qlcnic_adapter *adapter)
952 err = qlcnic_can_start_firmware(adapter);
956 goto check_fw_status;
958 if (qlcnic_load_fw_file)
959 qlcnic_request_firmware(adapter);
961 err = qlcnic_check_flash_fw_ver(adapter);
965 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
968 err = qlcnic_need_fw_reset(adapter);
970 goto check_fw_status;
972 err = qlcnic_pinit_from_rom(adapter);
976 err = qlcnic_load_firmware(adapter);
980 qlcnic_release_firmware(adapter);
981 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
984 err = qlcnic_check_fw_status(adapter);
988 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
989 qlcnic_idc_debug_info(adapter, 1);
991 err = qlcnic_check_eswitch_mode(adapter);
993 dev_err(&adapter->pdev->dev,
994 "Memory allocation failed for eswitch\n");
997 err = qlcnic_set_mgmt_operations(adapter);
1001 qlcnic_check_options(adapter);
1002 adapter->need_fw_reset = 0;
1004 qlcnic_release_firmware(adapter);
1008 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1009 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1011 qlcnic_release_firmware(adapter);
1016 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1018 irq_handler_t handler;
1019 struct qlcnic_host_sds_ring *sds_ring;
1022 unsigned long flags = 0;
1023 struct net_device *netdev = adapter->netdev;
1024 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1026 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1027 handler = qlcnic_tmp_intr;
1028 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1029 flags |= IRQF_SHARED;
1032 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1033 handler = qlcnic_msix_intr;
1034 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1035 handler = qlcnic_msi_intr;
1037 flags |= IRQF_SHARED;
1038 handler = qlcnic_intr;
1041 adapter->irq = netdev->irq;
1043 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1044 sds_ring = &recv_ctx->sds_rings[ring];
1045 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1046 err = request_irq(sds_ring->irq, handler,
1047 flags, sds_ring->name, sds_ring);
1056 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1059 struct qlcnic_host_sds_ring *sds_ring;
1061 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1063 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1064 sds_ring = &recv_ctx->sds_rings[ring];
1065 free_irq(sds_ring->irq, sds_ring);
1070 __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1075 struct qlcnic_host_rds_ring *rds_ring;
1077 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1080 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1082 if (qlcnic_set_eswitch_port_config(adapter))
1085 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1086 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
1087 if (capab2 & QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1088 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1091 if (qlcnic_fw_create_ctx(adapter))
1094 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1095 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1096 qlcnic_post_rx_buffers(adapter, rds_ring);
1099 qlcnic_set_multi(netdev);
1100 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1102 adapter->ahw->linkup = 0;
1104 if (adapter->max_sds_rings > 1)
1105 qlcnic_config_rss(adapter, 1);
1107 qlcnic_config_intr_coalesce(adapter);
1109 if (netdev->features & NETIF_F_LRO)
1110 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1112 qlcnic_napi_enable(adapter);
1114 qlcnic_linkevent_request(adapter, 1);
1116 adapter->ahw->reset_context = 0;
1117 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1121 /* Usage: During resume and firmware recovery module.*/
1124 qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1129 if (netif_running(netdev))
1130 err = __qlcnic_up(adapter, netdev);
1137 __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1139 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1142 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1146 spin_lock(&adapter->tx_clean_lock);
1147 netif_carrier_off(netdev);
1148 netif_tx_disable(netdev);
1150 qlcnic_free_mac_list(adapter);
1152 if (adapter->fhash.fnum)
1153 qlcnic_delete_lb_filters(adapter);
1155 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1157 qlcnic_napi_disable(adapter);
1159 qlcnic_fw_destroy_ctx(adapter);
1160 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1162 qlcnic_reset_rx_buffers_list(adapter);
1163 qlcnic_release_tx_buffers(adapter);
1164 spin_unlock(&adapter->tx_clean_lock);
1167 /* Usage: During suspend and firmware recovery module */
1170 qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1173 if (netif_running(netdev))
1174 __qlcnic_down(adapter, netdev);
1180 qlcnic_attach(struct qlcnic_adapter *adapter)
1182 struct net_device *netdev = adapter->netdev;
1183 struct pci_dev *pdev = adapter->pdev;
1186 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1189 err = qlcnic_napi_add(adapter, netdev);
1193 err = qlcnic_alloc_sw_resources(adapter);
1195 dev_err(&pdev->dev, "Error in setting sw resources\n");
1196 goto err_out_napi_del;
1199 err = qlcnic_alloc_hw_resources(adapter);
1201 dev_err(&pdev->dev, "Error in setting hw resources\n");
1202 goto err_out_free_sw;
1205 err = qlcnic_request_irq(adapter);
1207 dev_err(&pdev->dev, "failed to setup interrupt\n");
1208 goto err_out_free_hw;
1211 qlcnic_create_sysfs_entries(adapter);
1213 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1217 qlcnic_free_hw_resources(adapter);
1219 qlcnic_free_sw_resources(adapter);
1221 qlcnic_napi_del(adapter);
1226 qlcnic_detach(struct qlcnic_adapter *adapter)
1228 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1231 qlcnic_remove_sysfs_entries(adapter);
1233 qlcnic_free_hw_resources(adapter);
1234 qlcnic_release_rx_buffers(adapter);
1235 qlcnic_free_irq(adapter);
1236 qlcnic_napi_del(adapter);
1237 qlcnic_free_sw_resources(adapter);
1242 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1244 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1245 struct qlcnic_host_sds_ring *sds_ring;
1248 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1249 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1250 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1251 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1252 qlcnic_disable_int(sds_ring);
1256 qlcnic_fw_destroy_ctx(adapter);
1258 qlcnic_detach(adapter);
1260 adapter->ahw->diag_test = 0;
1261 adapter->max_sds_rings = max_sds_rings;
1263 if (qlcnic_attach(adapter))
1266 if (netif_running(netdev))
1267 __qlcnic_up(adapter, netdev);
1269 netif_device_attach(netdev);
1272 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1275 adapter->ahw = kzalloc(sizeof(struct qlcnic_hardware_context),
1277 if (!adapter->ahw) {
1278 dev_err(&adapter->pdev->dev,
1279 "Failed to allocate recv ctx resources for adapter\n");
1283 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1285 if (!adapter->recv_ctx) {
1286 dev_err(&adapter->pdev->dev,
1287 "Failed to allocate recv ctx resources for adapter\n");
1288 kfree(adapter->ahw);
1289 adapter->ahw = NULL;
1293 /* Initialize interrupt coalesce parameters */
1294 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1295 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1296 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
1301 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1303 kfree(adapter->recv_ctx);
1304 adapter->recv_ctx = NULL;
1306 if (adapter->ahw->fw_dump.tmpl_hdr) {
1307 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1308 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1310 kfree(adapter->ahw);
1311 adapter->ahw = NULL;
1314 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1316 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1317 struct qlcnic_host_sds_ring *sds_ring;
1318 struct qlcnic_host_rds_ring *rds_ring;
1322 netif_device_detach(netdev);
1324 if (netif_running(netdev))
1325 __qlcnic_down(adapter, netdev);
1327 qlcnic_detach(adapter);
1329 adapter->max_sds_rings = 1;
1330 adapter->ahw->diag_test = test;
1332 ret = qlcnic_attach(adapter);
1334 netif_device_attach(netdev);
1338 ret = qlcnic_fw_create_ctx(adapter);
1340 qlcnic_detach(adapter);
1341 netif_device_attach(netdev);
1345 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1346 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1347 qlcnic_post_rx_buffers(adapter, rds_ring);
1350 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1351 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1352 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1353 qlcnic_enable_int(sds_ring);
1357 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1358 adapter->ahw->loopback_state = 0;
1359 qlcnic_linkevent_request(adapter, 1);
1362 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1367 /* Reset context in hardware only */
1369 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1371 struct net_device *netdev = adapter->netdev;
1373 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1376 netif_device_detach(netdev);
1378 qlcnic_down(adapter, netdev);
1380 qlcnic_up(adapter, netdev);
1382 netif_device_attach(netdev);
1384 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1389 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1392 struct net_device *netdev = adapter->netdev;
1394 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1397 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1399 netif_device_detach(netdev);
1401 if (netif_running(netdev))
1402 __qlcnic_down(adapter, netdev);
1404 qlcnic_detach(adapter);
1406 if (netif_running(netdev)) {
1407 err = qlcnic_attach(adapter);
1409 __qlcnic_up(adapter, netdev);
1410 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1414 netif_device_attach(netdev);
1417 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1422 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
1426 struct pci_dev *pdev = adapter->pdev;
1428 adapter->ahw->mc_enabled = 0;
1429 adapter->ahw->max_mc_count = 38;
1431 netdev->netdev_ops = &qlcnic_netdev_ops;
1432 netdev->watchdog_timeo = 5*HZ;
1434 qlcnic_change_mtu(netdev, netdev->mtu);
1436 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1438 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
1439 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
1441 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1442 netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
1443 if (pci_using_dac == 1)
1444 netdev->hw_features |= NETIF_F_HIGHDMA;
1446 netdev->vlan_features = netdev->hw_features;
1448 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
1449 netdev->hw_features |= NETIF_F_HW_VLAN_TX;
1450 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1451 netdev->hw_features |= NETIF_F_LRO;
1453 netdev->features |= netdev->hw_features |
1454 NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
1456 netdev->irq = adapter->msix_entries[0].vector;
1458 err = register_netdev(netdev);
1460 dev_err(&pdev->dev, "failed to register net device\n");
1467 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
1469 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1470 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1472 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1473 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1476 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1484 qlcnic_alloc_msix_entries(struct qlcnic_adapter *adapter, u16 count)
1486 adapter->msix_entries = kcalloc(count, sizeof(struct msix_entry),
1489 if (adapter->msix_entries)
1492 dev_err(&adapter->pdev->dev, "failed allocating msix_entries\n");
1497 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1499 struct net_device *netdev = NULL;
1500 struct qlcnic_adapter *adapter = NULL;
1501 int err, pci_using_dac = -1;
1502 uint8_t revision_id;
1503 char board_name[QLCNIC_MAX_BOARD_NAME_LEN];
1505 err = pci_enable_device(pdev);
1509 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1511 goto err_out_disable_pdev;
1514 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1516 goto err_out_disable_pdev;
1518 err = pci_request_regions(pdev, qlcnic_driver_name);
1520 goto err_out_disable_pdev;
1522 pci_set_master(pdev);
1523 pci_enable_pcie_error_reporting(pdev);
1525 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1528 goto err_out_free_res;
1531 SET_NETDEV_DEV(netdev, &pdev->dev);
1533 adapter = netdev_priv(netdev);
1534 adapter->netdev = netdev;
1535 adapter->pdev = pdev;
1537 err = qlcnic_alloc_adapter_resources(adapter);
1539 goto err_out_free_netdev;
1541 adapter->dev_rst_time = jiffies;
1542 revision_id = pdev->revision;
1543 adapter->ahw->revision_id = revision_id;
1544 adapter->mac_learn = qlcnic_mac_learn;
1546 rwlock_init(&adapter->ahw->crb_lock);
1547 mutex_init(&adapter->ahw->mem_lock);
1549 spin_lock_init(&adapter->tx_clean_lock);
1550 INIT_LIST_HEAD(&adapter->mac_list);
1552 err = qlcnic_setup_pci_map(pdev, adapter->ahw);
1554 goto err_out_free_hw;
1555 qlcnic_check_vf(adapter);
1557 /* This will be reset for mezz cards */
1558 adapter->portnum = adapter->ahw->pci_func;
1560 err = qlcnic_get_board_info(adapter);
1562 dev_err(&pdev->dev, "Error getting board config info.\n");
1563 goto err_out_iounmap;
1566 err = qlcnic_setup_idc_param(adapter);
1568 goto err_out_iounmap;
1570 adapter->flags |= QLCNIC_NEED_FLR;
1572 err = adapter->nic_ops->start_firmware(adapter);
1574 dev_err(&pdev->dev, "Loading fw failed. Please Reboot\n"
1575 "\t\tIf reboot doesn't help, try flashing the card\n");
1576 goto err_out_maintenance_mode;
1579 if (qlcnic_read_mac_addr(adapter))
1580 dev_warn(&pdev->dev, "failed to read mac addr\n");
1582 if (adapter->portnum == 0) {
1583 qlcnic_get_board_name(adapter, board_name);
1584 pr_info("%s: %s Board Chip rev 0x%x\n",
1585 module_name(THIS_MODULE),
1586 board_name, adapter->ahw->revision_id);
1589 qlcnic_clear_stats(adapter);
1591 err = qlcnic_alloc_msix_entries(adapter, adapter->ahw->max_rx_ques);
1593 goto err_out_decr_ref;
1595 qlcnic_setup_intr(adapter);
1597 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
1599 goto err_out_disable_msi;
1601 pci_set_drvdata(pdev, adapter);
1603 if (qlcnic_82xx_check(adapter))
1604 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
1607 switch (adapter->ahw->port_type) {
1609 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1610 adapter->netdev->name);
1613 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1614 adapter->netdev->name);
1618 if (adapter->mac_learn)
1619 qlcnic_alloc_lb_filters_mem(adapter);
1621 qlcnic_create_diag_entries(adapter);
1625 err_out_disable_msi:
1626 qlcnic_teardown_intr(adapter);
1627 kfree(adapter->msix_entries);
1630 qlcnic_clr_all_drv_state(adapter, 0);
1633 qlcnic_cleanup_pci_map(adapter);
1636 qlcnic_free_adapter_resources(adapter);
1638 err_out_free_netdev:
1639 free_netdev(netdev);
1642 pci_release_regions(pdev);
1644 err_out_disable_pdev:
1645 pci_set_drvdata(pdev, NULL);
1646 pci_disable_device(pdev);
1649 err_out_maintenance_mode:
1650 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
1651 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
1652 err = register_netdev(netdev);
1654 dev_err(&pdev->dev, "failed to register net device\n");
1655 goto err_out_decr_ref;
1657 pci_set_drvdata(pdev, adapter);
1658 qlcnic_create_diag_entries(adapter);
1662 static void qlcnic_remove(struct pci_dev *pdev)
1664 struct qlcnic_adapter *adapter;
1665 struct net_device *netdev;
1667 adapter = pci_get_drvdata(pdev);
1668 if (adapter == NULL)
1671 netdev = adapter->netdev;
1673 qlcnic_cancel_fw_work(adapter);
1675 unregister_netdev(netdev);
1677 qlcnic_detach(adapter);
1679 if (adapter->npars != NULL)
1680 kfree(adapter->npars);
1681 if (adapter->eswitch != NULL)
1682 kfree(adapter->eswitch);
1684 if (qlcnic_82xx_check(adapter))
1685 qlcnic_clr_all_drv_state(adapter, 0);
1687 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1689 qlcnic_free_lb_filters_mem(adapter);
1691 qlcnic_teardown_intr(adapter);
1692 kfree(adapter->msix_entries);
1694 qlcnic_remove_diag_entries(adapter);
1696 qlcnic_cleanup_pci_map(adapter);
1698 qlcnic_release_firmware(adapter);
1700 pci_disable_pcie_error_reporting(pdev);
1701 pci_release_regions(pdev);
1702 pci_disable_device(pdev);
1703 pci_set_drvdata(pdev, NULL);
1705 qlcnic_free_adapter_resources(adapter);
1706 free_netdev(netdev);
1708 static int __qlcnic_shutdown(struct pci_dev *pdev)
1710 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1711 struct net_device *netdev = adapter->netdev;
1714 netif_device_detach(netdev);
1716 qlcnic_cancel_fw_work(adapter);
1718 if (netif_running(netdev))
1719 qlcnic_down(adapter, netdev);
1721 if (qlcnic_82xx_check(adapter))
1722 qlcnic_clr_all_drv_state(adapter, 0);
1724 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1726 retval = pci_save_state(pdev);
1730 if (qlcnic_82xx_check(adapter)) {
1731 if (qlcnic_wol_supported(adapter)) {
1732 pci_enable_wake(pdev, PCI_D3cold, 1);
1733 pci_enable_wake(pdev, PCI_D3hot, 1);
1740 static void qlcnic_shutdown(struct pci_dev *pdev)
1742 if (__qlcnic_shutdown(pdev))
1745 pci_disable_device(pdev);
1750 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
1754 retval = __qlcnic_shutdown(pdev);
1758 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1763 qlcnic_resume(struct pci_dev *pdev)
1765 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1766 struct net_device *netdev = adapter->netdev;
1769 err = pci_enable_device(pdev);
1773 pci_set_power_state(pdev, PCI_D0);
1774 pci_set_master(pdev);
1775 pci_restore_state(pdev);
1777 err = adapter->nic_ops->start_firmware(adapter);
1779 dev_err(&pdev->dev, "failed to start firmware\n");
1783 if (netif_running(netdev)) {
1784 err = qlcnic_up(adapter, netdev);
1788 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1791 netif_device_attach(netdev);
1792 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1797 static int qlcnic_open(struct net_device *netdev)
1799 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1800 u32 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
1803 if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD)) {
1804 netdev_err(netdev, "Device in FAILED state\n");
1808 netif_carrier_off(netdev);
1810 err = qlcnic_attach(adapter);
1814 err = __qlcnic_up(adapter, netdev);
1818 netif_start_queue(netdev);
1823 qlcnic_detach(adapter);
1828 * qlcnic_close - Disables a network interface entry point
1830 static int qlcnic_close(struct net_device *netdev)
1832 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1834 __qlcnic_down(adapter, netdev);
1838 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
1843 if (adapter->fhash.fmax && adapter->fhash.fhead)
1846 spin_lock_init(&adapter->mac_learn_lock);
1848 head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head),
1853 adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS;
1854 adapter->fhash.fhead = head;
1856 for (i = 0; i < adapter->fhash.fmax; i++)
1857 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
1860 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
1862 if (adapter->fhash.fmax && adapter->fhash.fhead)
1863 kfree(adapter->fhash.fhead);
1865 adapter->fhash.fhead = NULL;
1866 adapter->fhash.fmax = 0;
1869 static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
1871 struct net_device *netdev = adapter->netdev;
1872 u32 temp_state, temp_val, temp = 0;
1875 if (qlcnic_82xx_check(adapter))
1876 temp = QLCRD32(adapter, CRB_TEMP_STATE);
1878 temp_state = qlcnic_get_temp_state(temp);
1879 temp_val = qlcnic_get_temp_val(temp);
1881 if (temp_state == QLCNIC_TEMP_PANIC) {
1882 dev_err(&netdev->dev,
1883 "Device temperature %d degrees C exceeds"
1884 " maximum allowed. Hardware has been shut down.\n",
1887 } else if (temp_state == QLCNIC_TEMP_WARN) {
1888 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
1889 dev_err(&netdev->dev,
1890 "Device temperature %d degrees C "
1891 "exceeds operating range."
1892 " Immediate action needed.\n",
1896 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
1897 dev_info(&netdev->dev,
1898 "Device temperature is now %d degrees C"
1899 " in normal range.\n", temp_val);
1902 adapter->ahw->temp = temp_state;
1906 static void qlcnic_tx_timeout(struct net_device *netdev)
1908 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1910 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1913 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
1915 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
1916 adapter->need_fw_reset = 1;
1918 adapter->ahw->reset_context = 1;
1921 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
1923 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1924 struct net_device_stats *stats = &netdev->stats;
1926 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
1927 stats->tx_packets = adapter->stats.xmitfinished;
1928 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
1929 stats->tx_bytes = adapter->stats.txbytes;
1930 stats->rx_dropped = adapter->stats.rxdropped;
1931 stats->tx_dropped = adapter->stats.txdropped;
1936 static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
1940 status = readl(adapter->isr_int_vec);
1942 if (!(status & adapter->ahw->int_vec_bit))
1945 /* check interrupt state machine, to be sure */
1946 status = readl(adapter->crb_int_state_reg);
1947 if (!ISR_LEGACY_INT_TRIGGERED(status))
1950 writel(0xffffffff, adapter->tgt_status_reg);
1951 /* read twice to ensure write is flushed */
1952 readl(adapter->isr_int_vec);
1953 readl(adapter->isr_int_vec);
1958 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
1960 struct qlcnic_host_sds_ring *sds_ring = data;
1961 struct qlcnic_adapter *adapter = sds_ring->adapter;
1963 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1965 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
1966 writel(0xffffffff, adapter->tgt_status_reg);
1970 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
1974 adapter->ahw->diag_cnt++;
1975 qlcnic_enable_int(sds_ring);
1979 static irqreturn_t qlcnic_intr(int irq, void *data)
1981 struct qlcnic_host_sds_ring *sds_ring = data;
1982 struct qlcnic_adapter *adapter = sds_ring->adapter;
1984 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
1987 napi_schedule(&sds_ring->napi);
1992 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
1994 struct qlcnic_host_sds_ring *sds_ring = data;
1995 struct qlcnic_adapter *adapter = sds_ring->adapter;
1997 /* clear interrupt */
1998 writel(0xffffffff, adapter->tgt_status_reg);
2000 napi_schedule(&sds_ring->napi);
2004 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2006 struct qlcnic_host_sds_ring *sds_ring = data;
2008 napi_schedule(&sds_ring->napi);
2012 #ifdef CONFIG_NET_POLL_CONTROLLER
2013 static void qlcnic_poll_controller(struct net_device *netdev)
2016 struct qlcnic_host_sds_ring *sds_ring;
2017 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2018 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2020 disable_irq(adapter->irq);
2021 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2022 sds_ring = &recv_ctx->sds_rings[ring];
2023 qlcnic_intr(adapter->irq, sds_ring);
2025 enable_irq(adapter->irq);
2030 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2034 val = adapter->portnum & 0xf;
2035 val |= encoding << 7;
2036 val |= (jiffies - adapter->dev_rst_time) << 8;
2038 QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2039 adapter->dev_rst_time = jiffies;
2043 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2047 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2048 state != QLCNIC_DEV_NEED_QUISCENT);
2050 if (qlcnic_api_lock(adapter))
2053 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2055 if (state == QLCNIC_DEV_NEED_RESET)
2056 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2057 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2058 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2060 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2062 qlcnic_api_unlock(adapter);
2068 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2072 if (qlcnic_api_lock(adapter))
2075 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2076 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2077 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2079 qlcnic_api_unlock(adapter);
2085 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2089 if (qlcnic_api_lock(adapter))
2092 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2093 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2094 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2097 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
2098 dev_info(&adapter->pdev->dev,
2099 "Device state set to Failed. Please Reboot\n");
2100 } else if (!(val & 0x11111111))
2101 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD);
2103 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2104 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2105 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2107 qlcnic_api_unlock(adapter);
2109 adapter->fw_fail_cnt = 0;
2110 adapter->flags &= ~QLCNIC_FW_HANG;
2111 clear_bit(__QLCNIC_START_FW, &adapter->state);
2112 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2115 /* Grab api lock, before checking state */
2117 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2119 int act, state, active_mask;
2121 state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2122 act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2124 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2125 active_mask = (~(1 << (adapter->ahw->pci_func * 4)));
2126 act = act & active_mask;
2129 if (((state & 0x11111111) == (act & 0x11111111)) ||
2130 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2136 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2138 u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2140 if (val != QLCNIC_DRV_IDC_VER) {
2141 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2142 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2149 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2151 u32 val, prev_state;
2152 u8 dev_init_timeo = adapter->dev_init_timeo;
2153 u8 portnum = adapter->portnum;
2156 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2159 if (qlcnic_api_lock(adapter))
2162 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2163 if (!(val & (1 << (portnum * 4)))) {
2164 QLC_DEV_SET_REF_CNT(val, portnum);
2165 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2168 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2169 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2171 switch (prev_state) {
2172 case QLCNIC_DEV_COLD:
2173 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
2174 QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
2175 qlcnic_idc_debug_info(adapter, 0);
2176 qlcnic_api_unlock(adapter);
2179 case QLCNIC_DEV_READY:
2180 ret = qlcnic_check_idc_ver(adapter);
2181 qlcnic_api_unlock(adapter);
2184 case QLCNIC_DEV_NEED_RESET:
2185 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2186 QLC_DEV_SET_RST_RDY(val, portnum);
2187 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2190 case QLCNIC_DEV_NEED_QUISCENT:
2191 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2192 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2193 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2196 case QLCNIC_DEV_FAILED:
2197 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2198 qlcnic_api_unlock(adapter);
2201 case QLCNIC_DEV_INITIALIZING:
2202 case QLCNIC_DEV_QUISCENT:
2206 qlcnic_api_unlock(adapter);
2210 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2212 if (prev_state == QLCNIC_DEV_QUISCENT)
2214 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2216 if (!dev_init_timeo) {
2217 dev_err(&adapter->pdev->dev,
2218 "Waiting for device to initialize timeout\n");
2222 if (qlcnic_api_lock(adapter))
2225 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2226 QLC_DEV_CLR_RST_QSCNT(val, portnum);
2227 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2229 ret = qlcnic_check_idc_ver(adapter);
2230 qlcnic_api_unlock(adapter);
2236 qlcnic_fwinit_work(struct work_struct *work)
2238 struct qlcnic_adapter *adapter = container_of(work,
2239 struct qlcnic_adapter, fw_work.work);
2240 u32 dev_state = 0xf;
2243 if (qlcnic_api_lock(adapter))
2246 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2247 if (dev_state == QLCNIC_DEV_QUISCENT ||
2248 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2249 qlcnic_api_unlock(adapter);
2250 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2255 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
2256 qlcnic_api_unlock(adapter);
2260 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2261 dev_state == QLCNIC_DEV_READY) {
2262 dev_info(&adapter->pdev->dev, "Detected state change from "
2263 "DEV_NEED_RESET, skipping ack check\n");
2264 goto skip_ack_check;
2267 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2268 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2269 adapter->reset_ack_timeo);
2270 goto skip_ack_check;
2273 if (!qlcnic_check_drv_state(adapter)) {
2275 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2277 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2278 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2279 QLCNIC_DEV_INITIALIZING);
2280 set_bit(__QLCNIC_START_FW, &adapter->state);
2281 QLCDB(adapter, DRV, "Restarting fw\n");
2282 qlcnic_idc_debug_info(adapter, 0);
2283 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2284 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2285 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2288 qlcnic_api_unlock(adapter);
2291 if (adapter->ahw->fw_dump.enable &&
2292 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2293 QLCDB(adapter, DRV, "Take FW dump\n");
2294 qlcnic_dump_fw(adapter);
2295 adapter->flags |= QLCNIC_FW_HANG;
2299 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
2300 if (!adapter->nic_ops->start_firmware(adapter)) {
2301 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2302 adapter->fw_wait_cnt = 0;
2308 qlcnic_api_unlock(adapter);
2311 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2312 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2314 switch (dev_state) {
2315 case QLCNIC_DEV_READY:
2316 if (!adapter->nic_ops->start_firmware(adapter)) {
2317 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2318 adapter->fw_wait_cnt = 0;
2321 case QLCNIC_DEV_FAILED:
2324 qlcnic_schedule_work(adapter,
2325 qlcnic_fwinit_work, FW_POLL_DELAY);
2330 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2331 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2332 netif_device_attach(adapter->netdev);
2333 qlcnic_clr_all_drv_state(adapter, 0);
2337 qlcnic_detach_work(struct work_struct *work)
2339 struct qlcnic_adapter *adapter = container_of(work,
2340 struct qlcnic_adapter, fw_work.work);
2341 struct net_device *netdev = adapter->netdev;
2344 netif_device_detach(netdev);
2346 /* Dont grab rtnl lock during Quiscent mode */
2347 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2348 if (netif_running(netdev))
2349 __qlcnic_down(adapter, netdev);
2351 qlcnic_down(adapter, netdev);
2353 status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2355 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2356 dev_err(&adapter->pdev->dev,
2357 "Detaching the device: peg halt status1=0x%x\n",
2360 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2361 dev_err(&adapter->pdev->dev,
2362 "On board active cooling fan failed. "
2363 "Device has been halted.\n");
2364 dev_err(&adapter->pdev->dev,
2365 "Replace the adapter.\n");
2371 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
2372 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
2373 adapter->ahw->temp);
2377 /* Dont ack if this instance is the reset owner */
2378 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2379 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2380 dev_err(&adapter->pdev->dev,
2381 "Failed to set driver state,"
2382 "detaching the device.\n");
2387 adapter->fw_wait_cnt = 0;
2389 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2394 netif_device_attach(netdev);
2395 qlcnic_clr_all_drv_state(adapter, 1);
2398 /*Transit NPAR state to NON Operational */
2400 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2404 state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2405 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2408 if (qlcnic_api_lock(adapter))
2410 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2411 qlcnic_api_unlock(adapter);
2414 /*Transit to RESET state from READY state only */
2416 qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
2418 u32 state, xg_val = 0, gb_val = 0;
2420 qlcnic_xg_set_xg0_mask(xg_val);
2421 qlcnic_xg_set_xg1_mask(xg_val);
2422 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
2423 qlcnic_gb_set_gb0_mask(gb_val);
2424 qlcnic_gb_set_gb1_mask(gb_val);
2425 qlcnic_gb_set_gb2_mask(gb_val);
2426 qlcnic_gb_set_gb3_mask(gb_val);
2427 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
2428 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
2430 adapter->need_fw_reset = 1;
2431 if (qlcnic_api_lock(adapter))
2434 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2435 if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD)) {
2436 netdev_err(adapter->netdev,
2437 "Device is in FAILED state, Please Reboot\n");
2438 qlcnic_api_unlock(adapter);
2442 if (state == QLCNIC_DEV_READY) {
2443 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
2444 adapter->flags |= QLCNIC_FW_RESET_OWNER;
2445 QLCDB(adapter, DRV, "NEED_RESET state set\n");
2446 qlcnic_idc_debug_info(adapter, 0);
2449 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2450 qlcnic_api_unlock(adapter);
2453 /* Transit to NPAR READY state from NPAR NOT READY state */
2455 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2457 if (qlcnic_api_lock(adapter))
2460 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER);
2461 QLCDB(adapter, DRV, "NPAR operational state set\n");
2463 qlcnic_api_unlock(adapter);
2467 qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2468 work_func_t func, int delay)
2470 if (test_bit(__QLCNIC_AER, &adapter->state))
2473 INIT_DELAYED_WORK(&adapter->fw_work, func);
2474 queue_delayed_work(qlcnic_wq, &adapter->fw_work,
2475 round_jiffies_relative(delay));
2479 qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
2481 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2484 if (!adapter->fw_work.work.func)
2487 cancel_delayed_work_sync(&adapter->fw_work);
2491 qlcnic_attach_work(struct work_struct *work)
2493 struct qlcnic_adapter *adapter = container_of(work,
2494 struct qlcnic_adapter, fw_work.work);
2495 struct net_device *netdev = adapter->netdev;
2498 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
2499 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2500 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2501 qlcnic_clr_all_drv_state(adapter, 0);
2502 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2503 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2507 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2511 if (netif_running(netdev)) {
2512 if (qlcnic_up(adapter, netdev))
2515 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2519 netif_device_attach(netdev);
2520 adapter->fw_fail_cnt = 0;
2521 adapter->flags &= ~QLCNIC_FW_HANG;
2522 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2524 if (!qlcnic_clr_drv_state(adapter))
2525 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2530 qlcnic_check_health(struct qlcnic_adapter *adapter)
2532 u32 state = 0, heartbeat;
2535 if (qlcnic_check_temp(adapter))
2538 if (adapter->need_fw_reset)
2539 qlcnic_dev_request_reset(adapter);
2541 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2542 if (state == QLCNIC_DEV_NEED_RESET) {
2543 qlcnic_set_npar_non_operational(adapter);
2544 adapter->need_fw_reset = 1;
2545 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
2548 heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
2549 if (heartbeat != adapter->heartbeat) {
2550 adapter->heartbeat = heartbeat;
2551 adapter->fw_fail_cnt = 0;
2552 if (adapter->need_fw_reset)
2555 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
2556 qlcnic_reset_hw_context(adapter);
2557 adapter->netdev->trans_start = jiffies;
2563 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2566 adapter->flags |= QLCNIC_FW_HANG;
2568 qlcnic_dev_request_reset(adapter);
2570 if (qlcnic_auto_fw_reset)
2571 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
2573 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
2574 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
2575 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2576 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2577 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2578 "PEG_NET_4_PC: 0x%x\n",
2579 QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1),
2580 QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS2),
2581 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
2582 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
2583 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
2584 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
2585 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
2586 peg_status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2587 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
2588 dev_err(&adapter->pdev->dev,
2589 "Firmware aborted with error code 0x00006700. "
2590 "Device is being reset.\n");
2592 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2593 QLCNIC_DEV_NEED_RESET;
2595 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
2598 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
2599 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
2606 qlcnic_fw_poll_work(struct work_struct *work)
2608 struct qlcnic_adapter *adapter = container_of(work,
2609 struct qlcnic_adapter, fw_work.work);
2611 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2615 if (qlcnic_check_health(adapter))
2618 if (adapter->fhash.fnum)
2619 qlcnic_prune_lb_filters(adapter);
2622 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2625 static int qlcnic_is_first_func(struct pci_dev *pdev)
2627 struct pci_dev *oth_pdev;
2628 int val = pdev->devfn;
2631 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
2632 (pdev->bus), pdev->bus->number,
2633 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
2637 if (oth_pdev->current_state != PCI_D3cold) {
2638 pci_dev_put(oth_pdev);
2641 pci_dev_put(oth_pdev);
2646 static int qlcnic_attach_func(struct pci_dev *pdev)
2648 int err, first_func;
2649 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2650 struct net_device *netdev = adapter->netdev;
2652 pdev->error_state = pci_channel_io_normal;
2654 err = pci_enable_device(pdev);
2658 pci_set_power_state(pdev, PCI_D0);
2659 pci_set_master(pdev);
2660 pci_restore_state(pdev);
2662 first_func = qlcnic_is_first_func(pdev);
2664 if (qlcnic_api_lock(adapter))
2667 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
2668 adapter->need_fw_reset = 1;
2669 set_bit(__QLCNIC_START_FW, &adapter->state);
2670 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
2671 QLCDB(adapter, DRV, "Restarting fw\n");
2673 qlcnic_api_unlock(adapter);
2675 err = adapter->nic_ops->start_firmware(adapter);
2679 qlcnic_clr_drv_state(adapter);
2680 qlcnic_setup_intr(adapter);
2682 if (netif_running(netdev)) {
2683 err = qlcnic_attach(adapter);
2685 qlcnic_clr_all_drv_state(adapter, 1);
2686 clear_bit(__QLCNIC_AER, &adapter->state);
2687 netif_device_attach(netdev);
2691 err = qlcnic_up(adapter, netdev);
2695 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2698 netif_device_attach(netdev);
2702 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
2703 pci_channel_state_t state)
2705 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2706 struct net_device *netdev = adapter->netdev;
2708 if (state == pci_channel_io_perm_failure)
2709 return PCI_ERS_RESULT_DISCONNECT;
2711 if (state == pci_channel_io_normal)
2712 return PCI_ERS_RESULT_RECOVERED;
2714 set_bit(__QLCNIC_AER, &adapter->state);
2715 netif_device_detach(netdev);
2717 cancel_delayed_work_sync(&adapter->fw_work);
2719 if (netif_running(netdev))
2720 qlcnic_down(adapter, netdev);
2722 qlcnic_detach(adapter);
2723 qlcnic_teardown_intr(adapter);
2725 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2727 pci_save_state(pdev);
2728 pci_disable_device(pdev);
2730 return PCI_ERS_RESULT_NEED_RESET;
2733 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
2735 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
2736 PCI_ERS_RESULT_RECOVERED;
2739 static void qlcnic_io_resume(struct pci_dev *pdev)
2741 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2743 pci_cleanup_aer_uncorrect_error_status(pdev);
2745 if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY &&
2746 test_and_clear_bit(__QLCNIC_AER, &adapter->state))
2747 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2752 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
2756 err = qlcnic_can_start_firmware(adapter);
2760 err = qlcnic_check_npar_opertional(adapter);
2764 err = qlcnic_initialize_nic(adapter);
2768 qlcnic_check_options(adapter);
2770 err = qlcnic_set_eswitch_port_config(adapter);
2774 adapter->need_fw_reset = 0;
2779 int qlcnic_validate_max_rss(struct net_device *netdev, u8 max_hw, u8 val)
2781 if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
2782 netdev_info(netdev, "no msix or msi support, hence no rss\n");
2786 if ((val > max_hw) || (val < 2) || !is_power_of_2(val)) {
2787 netdev_info(netdev, "rss_ring valid range [2 - %x] in "
2788 " powers of 2\n", max_hw);
2795 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data)
2797 struct net_device *netdev = adapter->netdev;
2800 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2803 netif_device_detach(netdev);
2804 if (netif_running(netdev))
2805 __qlcnic_down(adapter, netdev);
2806 qlcnic_detach(adapter);
2807 qlcnic_teardown_intr(adapter);
2809 if (qlcnic_enable_msix(adapter, data)) {
2810 netdev_info(netdev, "failed setting max_rss; rss disabled\n");
2811 qlcnic_enable_msi_legacy(adapter);
2814 if (netif_running(netdev)) {
2815 err = qlcnic_attach(adapter);
2818 err = __qlcnic_up(adapter, netdev);
2821 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2824 netif_device_attach(netdev);
2825 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2831 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
2834 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
2835 struct net_device *dev, unsigned long event)
2837 struct in_device *indev;
2839 indev = in_dev_get(dev);
2846 qlcnic_config_ipaddr(adapter,
2847 ifa->ifa_address, QLCNIC_IP_UP);
2850 qlcnic_config_ipaddr(adapter,
2851 ifa->ifa_address, QLCNIC_IP_DOWN);
2856 } endfor_ifa(indev);
2862 qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
2864 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2865 struct net_device *dev;
2868 qlcnic_config_indev_addr(adapter, netdev, event);
2870 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
2871 dev = __vlan_find_dev_deep(netdev, vid);
2874 qlcnic_config_indev_addr(adapter, dev, event);
2878 static int qlcnic_netdev_event(struct notifier_block *this,
2879 unsigned long event, void *ptr)
2881 struct qlcnic_adapter *adapter;
2882 struct net_device *dev = (struct net_device *)ptr;
2888 if (dev->priv_flags & IFF_802_1Q_VLAN) {
2889 dev = vlan_dev_real_dev(dev);
2893 if (!is_qlcnic_netdev(dev))
2896 adapter = netdev_priv(dev);
2901 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
2904 qlcnic_config_indev_addr(adapter, dev, event);
2910 qlcnic_inetaddr_event(struct notifier_block *this,
2911 unsigned long event, void *ptr)
2913 struct qlcnic_adapter *adapter;
2914 struct net_device *dev;
2916 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
2918 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
2924 if (dev->priv_flags & IFF_802_1Q_VLAN) {
2925 dev = vlan_dev_real_dev(dev);
2929 if (!is_qlcnic_netdev(dev))
2932 adapter = netdev_priv(dev);
2937 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
2942 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
2945 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
2955 static struct notifier_block qlcnic_netdev_cb = {
2956 .notifier_call = qlcnic_netdev_event,
2959 static struct notifier_block qlcnic_inetaddr_cb = {
2960 .notifier_call = qlcnic_inetaddr_event,
2964 qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
2967 static struct pci_error_handlers qlcnic_err_handler = {
2968 .error_detected = qlcnic_io_error_detected,
2969 .slot_reset = qlcnic_io_slot_reset,
2970 .resume = qlcnic_io_resume,
2973 static struct pci_driver qlcnic_driver = {
2974 .name = qlcnic_driver_name,
2975 .id_table = qlcnic_pci_tbl,
2976 .probe = qlcnic_probe,
2977 .remove = qlcnic_remove,
2979 .suspend = qlcnic_suspend,
2980 .resume = qlcnic_resume,
2982 .shutdown = qlcnic_shutdown,
2983 .err_handler = &qlcnic_err_handler
2987 static int __init qlcnic_init_module(void)
2991 printk(KERN_INFO "%s\n", qlcnic_driver_string);
2993 qlcnic_wq = create_singlethread_workqueue("qlcnic");
2994 if (qlcnic_wq == NULL) {
2995 printk(KERN_ERR "qlcnic: cannot create workqueue\n");
3000 register_netdevice_notifier(&qlcnic_netdev_cb);
3001 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3004 ret = pci_register_driver(&qlcnic_driver);
3007 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3008 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3010 destroy_workqueue(qlcnic_wq);
3016 module_init(qlcnic_init_module);
3018 static void __exit qlcnic_exit_module(void)
3021 pci_unregister_driver(&qlcnic_driver);
3024 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3025 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3027 destroy_workqueue(qlcnic_wq);
3030 module_exit(qlcnic_exit_module);