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>
22 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
23 MODULE_LICENSE("GPL");
24 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
25 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
27 char qlcnic_driver_name[] = "qlcnic";
28 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
29 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
31 static struct workqueue_struct *qlcnic_wq;
32 static int qlcnic_mac_learn;
33 module_param(qlcnic_mac_learn, int, 0444);
34 MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)");
36 static int use_msi = 1;
37 module_param(use_msi, int, 0444);
38 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
40 static int use_msi_x = 1;
41 module_param(use_msi_x, int, 0444);
42 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
44 static int auto_fw_reset = 1;
45 module_param(auto_fw_reset, int, 0644);
46 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
48 static int load_fw_file;
49 module_param(load_fw_file, int, 0444);
50 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
52 static int qlcnic_config_npars;
53 module_param(qlcnic_config_npars, int, 0444);
54 MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
56 static int __devinit qlcnic_probe(struct pci_dev *pdev,
57 const struct pci_device_id *ent);
58 static void __devexit 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 static int qlcnic_poll(struct napi_struct *napi, int budget);
69 static int qlcnic_rx_poll(struct napi_struct *napi, int budget);
70 #ifdef CONFIG_NET_POLL_CONTROLLER
71 static void qlcnic_poll_controller(struct net_device *netdev);
74 static void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter);
75 static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter);
76 static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter);
77 static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter);
79 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
80 static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
81 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
83 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
84 static irqreturn_t qlcnic_intr(int irq, void *data);
85 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
86 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
88 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
89 static void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long);
90 static int qlcnic_start_firmware(struct qlcnic_adapter *);
92 static void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter);
93 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
94 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
95 static int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32);
96 static int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32);
97 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
98 static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
99 struct qlcnic_esw_func_cfg *);
100 static void qlcnic_vlan_rx_add(struct net_device *, u16);
101 static void qlcnic_vlan_rx_del(struct net_device *, u16);
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);
125 static const u32 msi_tgt_status[8] = {
126 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
127 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
128 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
129 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
133 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
135 static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring *sds_ring)
137 writel(0, sds_ring->crb_intr_mask);
140 static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring *sds_ring)
142 struct qlcnic_adapter *adapter = sds_ring->adapter;
144 writel(0x1, sds_ring->crb_intr_mask);
146 if (!QLCNIC_IS_MSI_FAMILY(adapter))
147 writel(0xfbff, adapter->tgt_mask_reg);
151 qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
153 int size = sizeof(struct qlcnic_host_sds_ring) * count;
155 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
157 return recv_ctx->sds_rings == NULL;
161 qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
163 if (recv_ctx->sds_rings != NULL)
164 kfree(recv_ctx->sds_rings);
166 recv_ctx->sds_rings = NULL;
170 qlcnic_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev)
173 struct qlcnic_host_sds_ring *sds_ring;
174 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
176 if (qlcnic_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
179 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
180 sds_ring = &recv_ctx->sds_rings[ring];
182 if (ring == adapter->max_sds_rings - 1)
183 netif_napi_add(netdev, &sds_ring->napi, qlcnic_poll,
184 QLCNIC_NETDEV_WEIGHT/adapter->max_sds_rings);
186 netif_napi_add(netdev, &sds_ring->napi,
187 qlcnic_rx_poll, QLCNIC_NETDEV_WEIGHT*2);
194 qlcnic_napi_del(struct qlcnic_adapter *adapter)
197 struct qlcnic_host_sds_ring *sds_ring;
198 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
200 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
201 sds_ring = &recv_ctx->sds_rings[ring];
202 netif_napi_del(&sds_ring->napi);
205 qlcnic_free_sds_rings(adapter->recv_ctx);
209 qlcnic_napi_enable(struct qlcnic_adapter *adapter)
212 struct qlcnic_host_sds_ring *sds_ring;
213 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
215 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
218 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
219 sds_ring = &recv_ctx->sds_rings[ring];
220 napi_enable(&sds_ring->napi);
221 qlcnic_enable_int(sds_ring);
226 qlcnic_napi_disable(struct qlcnic_adapter *adapter)
229 struct qlcnic_host_sds_ring *sds_ring;
230 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
232 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
235 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
236 sds_ring = &recv_ctx->sds_rings[ring];
237 qlcnic_disable_int(sds_ring);
238 napi_synchronize(&sds_ring->napi);
239 napi_disable(&sds_ring->napi);
243 static void qlcnic_clear_stats(struct qlcnic_adapter *adapter)
245 memset(&adapter->stats, 0, sizeof(adapter->stats));
248 static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable)
253 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
255 pci_read_config_dword(pdev, pos, &control);
257 control |= PCI_MSIX_FLAGS_ENABLE;
260 pci_write_config_dword(pdev, pos, control);
264 static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count)
268 for (i = 0; i < count; i++)
269 adapter->msix_entries[i].entry = i;
273 qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
275 u8 mac_addr[ETH_ALEN];
276 struct net_device *netdev = adapter->netdev;
277 struct pci_dev *pdev = adapter->pdev;
279 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
282 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
283 memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
284 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
286 /* set station address */
288 if (!is_valid_ether_addr(netdev->perm_addr))
289 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
295 static int qlcnic_set_mac(struct net_device *netdev, void *p)
297 struct qlcnic_adapter *adapter = netdev_priv(netdev);
298 struct sockaddr *addr = p;
300 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
303 if (!is_valid_ether_addr(addr->sa_data))
306 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
307 netif_device_detach(netdev);
308 qlcnic_napi_disable(adapter);
311 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
312 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
313 qlcnic_set_multi(adapter->netdev);
315 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
316 netif_device_attach(netdev);
317 qlcnic_napi_enable(adapter);
322 static const struct net_device_ops qlcnic_netdev_ops = {
323 .ndo_open = qlcnic_open,
324 .ndo_stop = qlcnic_close,
325 .ndo_start_xmit = qlcnic_xmit_frame,
326 .ndo_get_stats = qlcnic_get_stats,
327 .ndo_validate_addr = eth_validate_addr,
328 .ndo_set_multicast_list = qlcnic_set_multi,
329 .ndo_set_mac_address = qlcnic_set_mac,
330 .ndo_change_mtu = qlcnic_change_mtu,
331 .ndo_fix_features = qlcnic_fix_features,
332 .ndo_set_features = qlcnic_set_features,
333 .ndo_tx_timeout = qlcnic_tx_timeout,
334 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
335 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
336 #ifdef CONFIG_NET_POLL_CONTROLLER
337 .ndo_poll_controller = qlcnic_poll_controller,
341 static struct qlcnic_nic_template qlcnic_ops = {
342 .config_bridged_mode = qlcnic_config_bridged_mode,
343 .config_led = qlcnic_config_led,
344 .start_firmware = qlcnic_start_firmware
347 static struct qlcnic_nic_template qlcnic_vf_ops = {
348 .config_bridged_mode = qlcnicvf_config_bridged_mode,
349 .config_led = qlcnicvf_config_led,
350 .start_firmware = qlcnicvf_start_firmware
354 qlcnic_setup_intr(struct qlcnic_adapter *adapter)
356 const struct qlcnic_legacy_intr_set *legacy_intrp;
357 struct pci_dev *pdev = adapter->pdev;
360 if (adapter->msix_supported) {
361 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
362 MSIX_ENTRIES_PER_ADAPTER : 2;
366 adapter->max_sds_rings = 1;
368 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
370 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
372 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
373 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
374 legacy_intrp->tgt_status_reg);
375 adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter,
376 legacy_intrp->tgt_mask_reg);
377 adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR);
379 adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter,
382 qlcnic_set_msix_bit(pdev, 0);
384 if (adapter->msix_supported) {
386 qlcnic_init_msix_entries(adapter, num_msix);
387 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
389 adapter->flags |= QLCNIC_MSIX_ENABLED;
390 qlcnic_set_msix_bit(pdev, 1);
392 adapter->max_sds_rings = num_msix;
394 dev_info(&pdev->dev, "using msi-x interrupts\n");
399 pci_disable_msix(pdev);
401 /* fall through for msi */
404 if (use_msi && !pci_enable_msi(pdev)) {
405 adapter->flags |= QLCNIC_MSI_ENABLED;
406 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
407 msi_tgt_status[adapter->ahw->pci_func]);
408 dev_info(&pdev->dev, "using msi interrupts\n");
409 adapter->msix_entries[0].vector = pdev->irq;
413 dev_info(&pdev->dev, "using legacy interrupts\n");
414 adapter->msix_entries[0].vector = pdev->irq;
418 qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
420 if (adapter->flags & QLCNIC_MSIX_ENABLED)
421 pci_disable_msix(adapter->pdev);
422 if (adapter->flags & QLCNIC_MSI_ENABLED)
423 pci_disable_msi(adapter->pdev);
427 qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
429 if (adapter->ahw->pci_base0 != NULL)
430 iounmap(adapter->ahw->pci_base0);
434 qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
436 struct qlcnic_pci_info *pci_info;
440 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
444 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
445 QLCNIC_MAX_PCI_FUNC, GFP_KERNEL);
446 if (!adapter->npars) {
451 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
452 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
453 if (!adapter->eswitch) {
458 ret = qlcnic_get_pci_info(adapter, pci_info);
462 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
463 pfn = pci_info[i].id;
464 if (pfn > QLCNIC_MAX_PCI_FUNC) {
465 ret = QL_STATUS_INVALID_PARAM;
468 adapter->npars[pfn].active = (u8)pci_info[i].active;
469 adapter->npars[pfn].type = (u8)pci_info[i].type;
470 adapter->npars[pfn].phy_port = (u8)pci_info[i].default_port;
471 adapter->npars[pfn].min_bw = pci_info[i].tx_min_bw;
472 adapter->npars[pfn].max_bw = pci_info[i].tx_max_bw;
475 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
476 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
482 kfree(adapter->eswitch);
483 adapter->eswitch = NULL;
485 kfree(adapter->npars);
486 adapter->npars = NULL;
494 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
499 u32 data = QLCNIC_MGMT_FUNC;
500 void __iomem *priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
502 /* If other drivers are not in use set their privilege level */
503 ref_count = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
504 ret = qlcnic_api_lock(adapter);
508 if (qlcnic_config_npars) {
509 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
511 if (adapter->npars[i].type != QLCNIC_TYPE_NIC ||
512 id == adapter->ahw->pci_func)
514 data |= (qlcnic_config_npars &
515 QLC_DEV_SET_DRV(0xf, id));
518 data = readl(priv_op);
519 data = (data & ~QLC_DEV_SET_DRV(0xf, adapter->ahw->pci_func)) |
520 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
521 adapter->ahw->pci_func));
523 writel(data, priv_op);
524 qlcnic_api_unlock(adapter);
530 qlcnic_check_vf(struct qlcnic_adapter *adapter)
532 void __iomem *msix_base_addr;
533 void __iomem *priv_op;
536 u32 op_mode, priv_level;
538 /* Determine FW API version */
539 adapter->fw_hal_version = readl(adapter->ahw->pci_base0 +
542 /* Find PCI function number */
543 pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func);
544 msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE;
545 msix_base = readl(msix_base_addr);
546 func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE;
547 adapter->ahw->pci_func = func;
549 /* Determine function privilege level */
550 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
551 op_mode = readl(priv_op);
552 if (op_mode == QLC_DEV_DRV_DEFAULT)
553 priv_level = QLCNIC_MGMT_FUNC;
555 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
557 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
558 adapter->op_mode = QLCNIC_NON_PRIV_FUNC;
559 dev_info(&adapter->pdev->dev,
560 "HAL Version: %d Non Privileged function\n",
561 adapter->fw_hal_version);
562 adapter->nic_ops = &qlcnic_vf_ops;
564 adapter->nic_ops = &qlcnic_ops;
568 qlcnic_setup_pci_map(struct qlcnic_adapter *adapter)
570 void __iomem *mem_ptr0 = NULL;
571 resource_size_t mem_base;
572 unsigned long mem_len, pci_len0 = 0;
574 struct pci_dev *pdev = adapter->pdev;
576 /* remap phys address */
577 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
578 mem_len = pci_resource_len(pdev, 0);
580 if (mem_len == QLCNIC_PCI_2MB_SIZE) {
582 mem_ptr0 = pci_ioremap_bar(pdev, 0);
583 if (mem_ptr0 == NULL) {
584 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
592 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
594 adapter->ahw->pci_base0 = mem_ptr0;
595 adapter->ahw->pci_len0 = pci_len0;
597 qlcnic_check_vf(adapter);
599 adapter->ahw->ocm_win_crb = qlcnic_get_ioaddr(adapter,
600 QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(
601 adapter->ahw->pci_func)));
606 static void get_brd_name(struct qlcnic_adapter *adapter, char *name)
608 struct pci_dev *pdev = adapter->pdev;
611 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
612 if (qlcnic_boards[i].vendor == pdev->vendor &&
613 qlcnic_boards[i].device == pdev->device &&
614 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
615 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
616 sprintf(name, "%pM: %s" ,
618 qlcnic_boards[i].short_name);
626 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
630 qlcnic_check_options(struct qlcnic_adapter *adapter)
632 u32 fw_major, fw_minor, fw_build;
633 struct pci_dev *pdev = adapter->pdev;
635 fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR);
636 fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR);
637 fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB);
639 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
641 dev_info(&pdev->dev, "firmware v%d.%d.%d\n",
642 fw_major, fw_minor, fw_build);
643 if (adapter->ahw->port_type == QLCNIC_XGBE) {
644 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
645 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
646 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
648 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
649 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
652 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
653 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
655 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
656 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
657 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
658 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
659 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
662 adapter->msix_supported = !!use_msi_x;
664 adapter->num_txd = MAX_CMD_DESCRIPTORS;
666 adapter->max_rds_rings = MAX_RDS_RINGS;
670 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
673 struct qlcnic_info nic_info;
675 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
679 adapter->physical_port = (u8)nic_info.phys_port;
680 adapter->switch_mode = nic_info.switch_mode;
681 adapter->max_tx_ques = nic_info.max_tx_ques;
682 adapter->max_rx_ques = nic_info.max_rx_ques;
683 adapter->capabilities = nic_info.capabilities;
684 adapter->max_mac_filters = nic_info.max_mac_filters;
685 adapter->max_mtu = nic_info.max_mtu;
687 if (adapter->capabilities & BIT_6)
688 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
690 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
696 qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
697 struct qlcnic_esw_func_cfg *esw_cfg)
699 if (esw_cfg->discard_tagged)
700 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
702 adapter->flags |= QLCNIC_TAGGING_ENABLED;
704 if (esw_cfg->vlan_id)
705 adapter->pvid = esw_cfg->vlan_id;
711 qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
713 struct qlcnic_adapter *adapter = netdev_priv(netdev);
714 set_bit(vid, adapter->vlans);
718 qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
720 struct qlcnic_adapter *adapter = netdev_priv(netdev);
722 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
723 clear_bit(vid, adapter->vlans);
727 qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
728 struct qlcnic_esw_func_cfg *esw_cfg)
730 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
731 QLCNIC_PROMISC_DISABLED);
733 if (esw_cfg->mac_anti_spoof)
734 adapter->flags |= QLCNIC_MACSPOOF;
736 if (!esw_cfg->mac_override)
737 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
739 if (!esw_cfg->promisc_mode)
740 adapter->flags |= QLCNIC_PROMISC_DISABLED;
742 qlcnic_set_netdev_features(adapter, esw_cfg);
746 qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
748 struct qlcnic_esw_func_cfg esw_cfg;
750 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
753 esw_cfg.pci_func = adapter->ahw->pci_func;
754 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
756 qlcnic_set_vlan_config(adapter, &esw_cfg);
757 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
763 qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
764 struct qlcnic_esw_func_cfg *esw_cfg)
766 struct net_device *netdev = adapter->netdev;
767 unsigned long features, vlan_features;
769 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
770 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
771 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
772 NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER);
774 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
775 features |= (NETIF_F_TSO | NETIF_F_TSO6);
776 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
779 if (netdev->features & NETIF_F_LRO)
780 features |= NETIF_F_LRO;
782 if (esw_cfg->offload_flags & BIT_0) {
783 netdev->features |= features;
784 if (!(esw_cfg->offload_flags & BIT_1))
785 netdev->features &= ~NETIF_F_TSO;
786 if (!(esw_cfg->offload_flags & BIT_2))
787 netdev->features &= ~NETIF_F_TSO6;
789 netdev->features &= ~features;
792 netdev->vlan_features = (features & vlan_features);
796 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
798 void __iomem *priv_op;
799 u32 op_mode, priv_level;
802 err = qlcnic_initialize_nic(adapter);
806 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
809 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
810 op_mode = readl(priv_op);
811 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
813 if (op_mode == QLC_DEV_DRV_DEFAULT)
814 priv_level = QLCNIC_MGMT_FUNC;
816 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
818 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
819 if (priv_level == QLCNIC_MGMT_FUNC) {
820 adapter->op_mode = QLCNIC_MGMT_FUNC;
821 err = qlcnic_init_pci_info(adapter);
824 /* Set privilege level for other functions */
825 qlcnic_set_function_modes(adapter);
826 dev_info(&adapter->pdev->dev,
827 "HAL Version: %d, Management function\n",
828 adapter->fw_hal_version);
829 } else if (priv_level == QLCNIC_PRIV_FUNC) {
830 adapter->op_mode = QLCNIC_PRIV_FUNC;
831 dev_info(&adapter->pdev->dev,
832 "HAL Version: %d, Privileged function\n",
833 adapter->fw_hal_version);
837 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
843 qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
845 struct qlcnic_esw_func_cfg esw_cfg;
846 struct qlcnic_npar_info *npar;
849 if (adapter->need_fw_reset)
852 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
853 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
855 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
856 esw_cfg.pci_func = i;
857 esw_cfg.offload_flags = BIT_0;
858 esw_cfg.mac_override = BIT_0;
859 esw_cfg.promisc_mode = BIT_0;
860 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
861 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
862 if (qlcnic_config_switch_port(adapter, &esw_cfg))
864 npar = &adapter->npars[i];
865 npar->pvid = esw_cfg.vlan_id;
866 npar->mac_override = esw_cfg.mac_override;
867 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
868 npar->discard_tagged = esw_cfg.discard_tagged;
869 npar->promisc_mode = esw_cfg.promisc_mode;
870 npar->offload_flags = esw_cfg.offload_flags;
877 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
878 struct qlcnic_npar_info *npar, int pci_func)
880 struct qlcnic_esw_func_cfg esw_cfg;
881 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
882 esw_cfg.pci_func = pci_func;
883 esw_cfg.vlan_id = npar->pvid;
884 esw_cfg.mac_override = npar->mac_override;
885 esw_cfg.discard_tagged = npar->discard_tagged;
886 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
887 esw_cfg.offload_flags = npar->offload_flags;
888 esw_cfg.promisc_mode = npar->promisc_mode;
889 if (qlcnic_config_switch_port(adapter, &esw_cfg))
892 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
893 if (qlcnic_config_switch_port(adapter, &esw_cfg))
900 qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
903 struct qlcnic_npar_info *npar;
904 struct qlcnic_info nic_info;
906 if (!adapter->need_fw_reset)
909 /* Set the NPAR config data after FW reset */
910 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
911 npar = &adapter->npars[i];
912 if (npar->type != QLCNIC_TYPE_NIC)
914 err = qlcnic_get_nic_info(adapter, &nic_info, i);
917 nic_info.min_tx_bw = npar->min_bw;
918 nic_info.max_tx_bw = npar->max_bw;
919 err = qlcnic_set_nic_info(adapter, &nic_info);
923 if (npar->enable_pm) {
924 err = qlcnic_config_port_mirroring(adapter,
925 npar->dest_npar, 1, i);
929 err = qlcnic_reset_eswitch_config(adapter, npar, i);
936 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
938 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
941 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
944 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
945 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
947 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
949 if (!npar_opt_timeo) {
950 dev_err(&adapter->pdev->dev,
951 "Waiting for NPAR state to opertional timeout\n");
958 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
962 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
963 adapter->op_mode != QLCNIC_MGMT_FUNC)
966 err = qlcnic_set_default_offload_settings(adapter);
970 err = qlcnic_reset_npar_config(adapter);
974 qlcnic_dev_set_npar_ready(adapter);
980 qlcnic_start_firmware(struct qlcnic_adapter *adapter)
984 err = qlcnic_can_start_firmware(adapter);
988 goto check_fw_status;
991 qlcnic_request_firmware(adapter);
993 err = qlcnic_check_flash_fw_ver(adapter);
997 adapter->fw_type = QLCNIC_FLASH_ROMIMAGE;
1000 err = qlcnic_need_fw_reset(adapter);
1002 goto check_fw_status;
1004 err = qlcnic_pinit_from_rom(adapter);
1008 err = qlcnic_load_firmware(adapter);
1012 qlcnic_release_firmware(adapter);
1013 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1016 err = qlcnic_check_fw_status(adapter);
1020 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1021 qlcnic_idc_debug_info(adapter, 1);
1023 err = qlcnic_check_eswitch_mode(adapter);
1025 dev_err(&adapter->pdev->dev,
1026 "Memory allocation failed for eswitch\n");
1029 err = qlcnic_set_mgmt_operations(adapter);
1033 qlcnic_check_options(adapter);
1034 adapter->need_fw_reset = 0;
1036 qlcnic_release_firmware(adapter);
1040 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1041 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1043 qlcnic_release_firmware(adapter);
1048 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1050 irq_handler_t handler;
1051 struct qlcnic_host_sds_ring *sds_ring;
1054 unsigned long flags = 0;
1055 struct net_device *netdev = adapter->netdev;
1056 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1058 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1059 handler = qlcnic_tmp_intr;
1060 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1061 flags |= IRQF_SHARED;
1064 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1065 handler = qlcnic_msix_intr;
1066 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1067 handler = qlcnic_msi_intr;
1069 flags |= IRQF_SHARED;
1070 handler = qlcnic_intr;
1073 adapter->irq = netdev->irq;
1075 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1076 sds_ring = &recv_ctx->sds_rings[ring];
1077 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1078 err = request_irq(sds_ring->irq, handler,
1079 flags, sds_ring->name, sds_ring);
1088 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1091 struct qlcnic_host_sds_ring *sds_ring;
1093 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1095 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1096 sds_ring = &recv_ctx->sds_rings[ring];
1097 free_irq(sds_ring->irq, sds_ring);
1102 __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1105 struct qlcnic_host_rds_ring *rds_ring;
1107 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1110 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1112 if (qlcnic_set_eswitch_port_config(adapter))
1115 if (qlcnic_fw_create_ctx(adapter))
1118 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1119 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1120 qlcnic_post_rx_buffers(adapter, rds_ring);
1123 qlcnic_set_multi(netdev);
1124 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1126 adapter->ahw->linkup = 0;
1128 if (adapter->max_sds_rings > 1)
1129 qlcnic_config_rss(adapter, 1);
1131 qlcnic_config_intr_coalesce(adapter);
1133 if (netdev->features & NETIF_F_LRO)
1134 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1136 qlcnic_napi_enable(adapter);
1138 qlcnic_linkevent_request(adapter, 1);
1140 adapter->reset_context = 0;
1141 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1145 /* Usage: During resume and firmware recovery module.*/
1148 qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1153 if (netif_running(netdev))
1154 err = __qlcnic_up(adapter, netdev);
1161 __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1163 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1166 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1170 spin_lock(&adapter->tx_clean_lock);
1171 netif_carrier_off(netdev);
1172 netif_tx_disable(netdev);
1174 qlcnic_free_mac_list(adapter);
1176 if (adapter->fhash.fnum)
1177 qlcnic_delete_lb_filters(adapter);
1179 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1181 qlcnic_napi_disable(adapter);
1183 qlcnic_fw_destroy_ctx(adapter);
1185 qlcnic_reset_rx_buffers_list(adapter);
1186 qlcnic_release_tx_buffers(adapter);
1187 spin_unlock(&adapter->tx_clean_lock);
1190 /* Usage: During suspend and firmware recovery module */
1193 qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1196 if (netif_running(netdev))
1197 __qlcnic_down(adapter, netdev);
1203 qlcnic_attach(struct qlcnic_adapter *adapter)
1205 struct net_device *netdev = adapter->netdev;
1206 struct pci_dev *pdev = adapter->pdev;
1209 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1212 err = qlcnic_napi_add(adapter, netdev);
1216 err = qlcnic_alloc_sw_resources(adapter);
1218 dev_err(&pdev->dev, "Error in setting sw resources\n");
1219 goto err_out_napi_del;
1222 err = qlcnic_alloc_hw_resources(adapter);
1224 dev_err(&pdev->dev, "Error in setting hw resources\n");
1225 goto err_out_free_sw;
1228 err = qlcnic_request_irq(adapter);
1230 dev_err(&pdev->dev, "failed to setup interrupt\n");
1231 goto err_out_free_hw;
1234 qlcnic_create_sysfs_entries(adapter);
1236 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1240 qlcnic_free_hw_resources(adapter);
1242 qlcnic_free_sw_resources(adapter);
1244 qlcnic_napi_del(adapter);
1249 qlcnic_detach(struct qlcnic_adapter *adapter)
1251 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1254 qlcnic_remove_sysfs_entries(adapter);
1256 qlcnic_free_hw_resources(adapter);
1257 qlcnic_release_rx_buffers(adapter);
1258 qlcnic_free_irq(adapter);
1259 qlcnic_napi_del(adapter);
1260 qlcnic_free_sw_resources(adapter);
1265 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1267 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1268 struct qlcnic_host_sds_ring *sds_ring;
1271 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1272 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1273 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1274 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1275 qlcnic_disable_int(sds_ring);
1279 qlcnic_fw_destroy_ctx(adapter);
1281 qlcnic_detach(adapter);
1283 adapter->diag_test = 0;
1284 adapter->max_sds_rings = max_sds_rings;
1286 if (qlcnic_attach(adapter))
1289 if (netif_running(netdev))
1290 __qlcnic_up(adapter, netdev);
1292 netif_device_attach(netdev);
1295 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1298 adapter->ahw = kzalloc(sizeof(struct qlcnic_hardware_context),
1300 if (!adapter->ahw) {
1301 dev_err(&adapter->pdev->dev,
1302 "Failed to allocate recv ctx resources for adapter\n");
1306 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1308 if (!adapter->recv_ctx) {
1309 dev_err(&adapter->pdev->dev,
1310 "Failed to allocate recv ctx resources for adapter\n");
1311 kfree(adapter->ahw);
1312 adapter->ahw = NULL;
1316 /* Initialize interrupt coalesce parameters */
1317 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1318 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1319 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
1324 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1326 kfree(adapter->recv_ctx);
1327 adapter->recv_ctx = NULL;
1329 kfree(adapter->ahw);
1330 adapter->ahw = NULL;
1333 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1335 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1336 struct qlcnic_host_sds_ring *sds_ring;
1337 struct qlcnic_host_rds_ring *rds_ring;
1341 netif_device_detach(netdev);
1343 if (netif_running(netdev))
1344 __qlcnic_down(adapter, netdev);
1346 qlcnic_detach(adapter);
1348 adapter->max_sds_rings = 1;
1349 adapter->diag_test = test;
1351 ret = qlcnic_attach(adapter);
1353 netif_device_attach(netdev);
1357 ret = qlcnic_fw_create_ctx(adapter);
1359 qlcnic_detach(adapter);
1360 netif_device_attach(netdev);
1364 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1365 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1366 qlcnic_post_rx_buffers(adapter, rds_ring);
1369 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1370 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1371 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1372 qlcnic_enable_int(sds_ring);
1375 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1380 /* Reset context in hardware only */
1382 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1384 struct net_device *netdev = adapter->netdev;
1386 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1389 netif_device_detach(netdev);
1391 qlcnic_down(adapter, netdev);
1393 qlcnic_up(adapter, netdev);
1395 netif_device_attach(netdev);
1397 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1402 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1405 struct net_device *netdev = adapter->netdev;
1407 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1410 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1412 netif_device_detach(netdev);
1414 if (netif_running(netdev))
1415 __qlcnic_down(adapter, netdev);
1417 qlcnic_detach(adapter);
1419 if (netif_running(netdev)) {
1420 err = qlcnic_attach(adapter);
1422 __qlcnic_up(adapter, netdev);
1425 netif_device_attach(netdev);
1428 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1433 qlcnic_setup_netdev(struct qlcnic_adapter *adapter,
1434 struct net_device *netdev, u8 pci_using_dac)
1437 struct pci_dev *pdev = adapter->pdev;
1439 adapter->mc_enabled = 0;
1440 adapter->max_mc_count = 38;
1442 netdev->netdev_ops = &qlcnic_netdev_ops;
1443 netdev->watchdog_timeo = 5*HZ;
1445 qlcnic_change_mtu(netdev, netdev->mtu);
1447 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1449 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
1450 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
1452 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1453 netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
1455 netdev->hw_features |= NETIF_F_HIGHDMA;
1457 netdev->vlan_features = netdev->hw_features;
1459 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
1460 netdev->hw_features |= NETIF_F_HW_VLAN_TX;
1461 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1462 netdev->hw_features |= NETIF_F_LRO;
1464 netdev->features |= netdev->hw_features |
1465 NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
1467 netdev->irq = adapter->msix_entries[0].vector;
1469 netif_carrier_off(netdev);
1471 err = register_netdev(netdev);
1473 dev_err(&pdev->dev, "failed to register net device\n");
1480 static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac)
1482 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1483 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1485 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1486 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1489 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1496 static int __devinit
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;
1502 uint8_t revision_id;
1503 uint8_t pci_using_dac;
1504 char brd_name[QLCNIC_MAX_BOARD_NAME_LEN];
1506 err = pci_enable_device(pdev);
1510 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1512 goto err_out_disable_pdev;
1515 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1517 goto err_out_disable_pdev;
1519 err = pci_request_regions(pdev, qlcnic_driver_name);
1521 goto err_out_disable_pdev;
1523 pci_set_master(pdev);
1524 pci_enable_pcie_error_reporting(pdev);
1526 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1528 dev_err(&pdev->dev, "failed to allocate net_device\n");
1530 goto err_out_free_res;
1533 SET_NETDEV_DEV(netdev, &pdev->dev);
1535 adapter = netdev_priv(netdev);
1536 adapter->netdev = netdev;
1537 adapter->pdev = pdev;
1539 if (qlcnic_alloc_adapter_resources(adapter))
1540 goto err_out_free_netdev;
1542 adapter->dev_rst_time = jiffies;
1543 revision_id = pdev->revision;
1544 adapter->ahw->revision_id = revision_id;
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(adapter);
1554 goto err_out_free_hw;
1556 /* This will be reset for mezz cards */
1557 adapter->portnum = adapter->ahw->pci_func;
1559 err = qlcnic_get_board_info(adapter);
1561 dev_err(&pdev->dev, "Error getting board config info.\n");
1562 goto err_out_iounmap;
1565 err = qlcnic_setup_idc_param(adapter);
1567 goto err_out_iounmap;
1569 adapter->flags |= QLCNIC_NEED_FLR;
1571 err = adapter->nic_ops->start_firmware(adapter);
1573 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1574 goto err_out_decr_ref;
1577 if (qlcnic_read_mac_addr(adapter))
1578 dev_warn(&pdev->dev, "failed to read mac addr\n");
1580 if (adapter->portnum == 0) {
1581 get_brd_name(adapter, brd_name);
1583 pr_info("%s: %s Board Chip rev 0x%x\n",
1584 module_name(THIS_MODULE),
1585 brd_name, adapter->ahw->revision_id);
1588 qlcnic_clear_stats(adapter);
1590 qlcnic_setup_intr(adapter);
1592 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
1594 goto err_out_disable_msi;
1596 pci_set_drvdata(pdev, adapter);
1598 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1600 switch (adapter->ahw->port_type) {
1602 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1603 adapter->netdev->name);
1606 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1607 adapter->netdev->name);
1611 qlcnic_alloc_lb_filters_mem(adapter);
1612 qlcnic_create_diag_entries(adapter);
1616 err_out_disable_msi:
1617 qlcnic_teardown_intr(adapter);
1620 qlcnic_clr_all_drv_state(adapter, 0);
1623 qlcnic_cleanup_pci_map(adapter);
1626 qlcnic_free_adapter_resources(adapter);
1628 err_out_free_netdev:
1629 free_netdev(netdev);
1632 pci_release_regions(pdev);
1634 err_out_disable_pdev:
1635 pci_set_drvdata(pdev, NULL);
1636 pci_disable_device(pdev);
1640 static void __devexit qlcnic_remove(struct pci_dev *pdev)
1642 struct qlcnic_adapter *adapter;
1643 struct net_device *netdev;
1645 adapter = pci_get_drvdata(pdev);
1646 if (adapter == NULL)
1649 netdev = adapter->netdev;
1651 qlcnic_cancel_fw_work(adapter);
1653 unregister_netdev(netdev);
1655 qlcnic_detach(adapter);
1657 if (adapter->npars != NULL)
1658 kfree(adapter->npars);
1659 if (adapter->eswitch != NULL)
1660 kfree(adapter->eswitch);
1662 qlcnic_clr_all_drv_state(adapter, 0);
1664 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1666 qlcnic_free_lb_filters_mem(adapter);
1668 qlcnic_teardown_intr(adapter);
1670 qlcnic_remove_diag_entries(adapter);
1672 qlcnic_cleanup_pci_map(adapter);
1674 qlcnic_release_firmware(adapter);
1676 pci_disable_pcie_error_reporting(pdev);
1677 pci_release_regions(pdev);
1678 pci_disable_device(pdev);
1679 pci_set_drvdata(pdev, NULL);
1681 qlcnic_free_adapter_resources(adapter);
1682 free_netdev(netdev);
1684 static int __qlcnic_shutdown(struct pci_dev *pdev)
1686 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1687 struct net_device *netdev = adapter->netdev;
1690 netif_device_detach(netdev);
1692 qlcnic_cancel_fw_work(adapter);
1694 if (netif_running(netdev))
1695 qlcnic_down(adapter, netdev);
1697 qlcnic_clr_all_drv_state(adapter, 0);
1699 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1701 retval = pci_save_state(pdev);
1705 if (qlcnic_wol_supported(adapter)) {
1706 pci_enable_wake(pdev, PCI_D3cold, 1);
1707 pci_enable_wake(pdev, PCI_D3hot, 1);
1713 static void qlcnic_shutdown(struct pci_dev *pdev)
1715 if (__qlcnic_shutdown(pdev))
1718 pci_disable_device(pdev);
1723 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
1727 retval = __qlcnic_shutdown(pdev);
1731 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1736 qlcnic_resume(struct pci_dev *pdev)
1738 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1739 struct net_device *netdev = adapter->netdev;
1742 err = pci_enable_device(pdev);
1746 pci_set_power_state(pdev, PCI_D0);
1747 pci_set_master(pdev);
1748 pci_restore_state(pdev);
1750 err = adapter->nic_ops->start_firmware(adapter);
1752 dev_err(&pdev->dev, "failed to start firmware\n");
1756 if (netif_running(netdev)) {
1757 err = qlcnic_up(adapter, netdev);
1761 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1764 netif_device_attach(netdev);
1765 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1770 static int qlcnic_open(struct net_device *netdev)
1772 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1775 err = qlcnic_attach(adapter);
1779 err = __qlcnic_up(adapter, netdev);
1783 netif_start_queue(netdev);
1788 qlcnic_detach(adapter);
1793 * qlcnic_close - Disables a network interface entry point
1795 static int qlcnic_close(struct net_device *netdev)
1797 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1799 __qlcnic_down(adapter, netdev);
1804 qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
1809 if (!qlcnic_mac_learn)
1812 spin_lock_init(&adapter->mac_learn_lock);
1814 head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head),
1819 adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS;
1820 adapter->fhash.fhead = (struct hlist_head *)head;
1822 for (i = 0; i < adapter->fhash.fmax; i++)
1823 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
1826 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
1828 if (adapter->fhash.fmax && adapter->fhash.fhead)
1829 kfree(adapter->fhash.fhead);
1831 adapter->fhash.fhead = NULL;
1832 adapter->fhash.fmax = 0;
1835 static void qlcnic_change_filter(struct qlcnic_adapter *adapter,
1836 u64 uaddr, __le16 vlan_id, struct qlcnic_host_tx_ring *tx_ring)
1838 struct cmd_desc_type0 *hwdesc;
1839 struct qlcnic_nic_req *req;
1840 struct qlcnic_mac_req *mac_req;
1841 struct qlcnic_vlan_req *vlan_req;
1845 producer = tx_ring->producer;
1846 hwdesc = &tx_ring->desc_head[tx_ring->producer];
1848 req = (struct qlcnic_nic_req *)hwdesc;
1849 memset(req, 0, sizeof(struct qlcnic_nic_req));
1850 req->qhdr = cpu_to_le64(QLCNIC_REQUEST << 23);
1852 word = QLCNIC_MAC_EVENT | ((u64)(adapter->portnum) << 16);
1853 req->req_hdr = cpu_to_le64(word);
1855 mac_req = (struct qlcnic_mac_req *)&(req->words[0]);
1856 mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD;
1857 memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN);
1859 vlan_req = (struct qlcnic_vlan_req *)&req->words[1];
1860 vlan_req->vlan_id = vlan_id;
1862 tx_ring->producer = get_next_index(producer, tx_ring->num_desc);
1866 #define QLCNIC_MAC_HASH(MAC)\
1867 ((((MAC) & 0x70000) >> 0x10) | (((MAC) & 0x70000000000ULL) >> 0x25))
1870 qlcnic_send_filter(struct qlcnic_adapter *adapter,
1871 struct qlcnic_host_tx_ring *tx_ring,
1872 struct cmd_desc_type0 *first_desc,
1873 struct sk_buff *skb)
1875 struct ethhdr *phdr = (struct ethhdr *)(skb->data);
1876 struct qlcnic_filter *fil, *tmp_fil;
1877 struct hlist_node *tmp_hnode, *n;
1878 struct hlist_head *head;
1883 if (!compare_ether_addr(phdr->h_source, adapter->mac_addr))
1886 if (adapter->fhash.fnum >= adapter->fhash.fmax)
1889 /* Only NPAR capable devices support vlan based learning*/
1890 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
1891 vlan_id = first_desc->vlan_TCI;
1892 memcpy(&src_addr, phdr->h_source, ETH_ALEN);
1893 hindex = QLCNIC_MAC_HASH(src_addr) & (QLCNIC_LB_MAX_FILTERS - 1);
1894 head = &(adapter->fhash.fhead[hindex]);
1896 hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) {
1897 if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) &&
1898 tmp_fil->vlan_id == vlan_id) {
1901 (QLCNIC_READD_AGE * HZ + tmp_fil->ftime))
1902 qlcnic_change_filter(adapter, src_addr, vlan_id,
1904 tmp_fil->ftime = jiffies;
1909 fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC);
1913 qlcnic_change_filter(adapter, src_addr, vlan_id, tx_ring);
1915 fil->ftime = jiffies;
1916 fil->vlan_id = vlan_id;
1917 memcpy(fil->faddr, &src_addr, ETH_ALEN);
1918 spin_lock(&adapter->mac_learn_lock);
1919 hlist_add_head(&(fil->fnode), head);
1920 adapter->fhash.fnum++;
1921 spin_unlock(&adapter->mac_learn_lock);
1925 qlcnic_tx_pkt(struct qlcnic_adapter *adapter,
1926 struct cmd_desc_type0 *first_desc,
1927 struct sk_buff *skb)
1929 u8 opcode = 0, hdr_len = 0;
1930 u16 flags = 0, vlan_tci = 0;
1931 int copied, offset, copy_len;
1932 struct cmd_desc_type0 *hwdesc;
1933 struct vlan_ethhdr *vh;
1934 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
1935 u16 protocol = ntohs(skb->protocol);
1936 u32 producer = tx_ring->producer;
1938 if (protocol == ETH_P_8021Q) {
1939 vh = (struct vlan_ethhdr *)skb->data;
1940 flags = FLAGS_VLAN_TAGGED;
1941 vlan_tci = vh->h_vlan_TCI;
1942 } else if (vlan_tx_tag_present(skb)) {
1943 flags = FLAGS_VLAN_OOB;
1944 vlan_tci = vlan_tx_tag_get(skb);
1946 if (unlikely(adapter->pvid)) {
1947 if (vlan_tci && !(adapter->flags & QLCNIC_TAGGING_ENABLED))
1949 if (vlan_tci && (adapter->flags & QLCNIC_TAGGING_ENABLED))
1952 flags = FLAGS_VLAN_OOB;
1953 vlan_tci = adapter->pvid;
1956 qlcnic_set_tx_vlan_tci(first_desc, vlan_tci);
1957 qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
1959 if (*(skb->data) & BIT_0) {
1961 memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN);
1963 opcode = TX_ETHER_PKT;
1964 if ((adapter->netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1965 skb_shinfo(skb)->gso_size > 0) {
1967 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1969 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1970 first_desc->total_hdr_length = hdr_len;
1972 opcode = (protocol == ETH_P_IPV6) ? TX_TCP_LSO6 : TX_TCP_LSO;
1974 /* For LSO, we need to copy the MAC/IP/TCP headers into
1975 * the descriptor ring */
1979 if (flags & FLAGS_VLAN_OOB) {
1980 first_desc->total_hdr_length += VLAN_HLEN;
1981 first_desc->tcp_hdr_offset = VLAN_HLEN;
1982 first_desc->ip_hdr_offset = VLAN_HLEN;
1983 /* Only in case of TSO on vlan device */
1984 flags |= FLAGS_VLAN_TAGGED;
1986 /* Create a TSO vlan header template for firmware */
1988 hwdesc = &tx_ring->desc_head[producer];
1989 tx_ring->cmd_buf_arr[producer].skb = NULL;
1991 copy_len = min((int)sizeof(struct cmd_desc_type0) -
1992 offset, hdr_len + VLAN_HLEN);
1994 vh = (struct vlan_ethhdr *)((char *) hwdesc + 2);
1995 skb_copy_from_linear_data(skb, vh, 12);
1996 vh->h_vlan_proto = htons(ETH_P_8021Q);
1997 vh->h_vlan_TCI = htons(vlan_tci);
1999 skb_copy_from_linear_data_offset(skb, 12,
2000 (char *)vh + 16, copy_len - 16);
2002 copied = copy_len - VLAN_HLEN;
2005 producer = get_next_index(producer, tx_ring->num_desc);
2008 while (copied < hdr_len) {
2010 copy_len = min((int)sizeof(struct cmd_desc_type0) -
2011 offset, (hdr_len - copied));
2013 hwdesc = &tx_ring->desc_head[producer];
2014 tx_ring->cmd_buf_arr[producer].skb = NULL;
2016 skb_copy_from_linear_data_offset(skb, copied,
2017 (char *) hwdesc + offset, copy_len);
2022 producer = get_next_index(producer, tx_ring->num_desc);
2025 tx_ring->producer = producer;
2027 adapter->stats.lso_frames++;
2029 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
2032 if (protocol == ETH_P_IP) {
2033 l4proto = ip_hdr(skb)->protocol;
2035 if (l4proto == IPPROTO_TCP)
2036 opcode = TX_TCP_PKT;
2037 else if (l4proto == IPPROTO_UDP)
2038 opcode = TX_UDP_PKT;
2039 } else if (protocol == ETH_P_IPV6) {
2040 l4proto = ipv6_hdr(skb)->nexthdr;
2042 if (l4proto == IPPROTO_TCP)
2043 opcode = TX_TCPV6_PKT;
2044 else if (l4proto == IPPROTO_UDP)
2045 opcode = TX_UDPV6_PKT;
2048 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
2049 first_desc->ip_hdr_offset += skb_network_offset(skb);
2050 qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
2056 qlcnic_map_tx_skb(struct pci_dev *pdev,
2057 struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf)
2059 struct qlcnic_skb_frag *nf;
2060 struct skb_frag_struct *frag;
2064 nr_frags = skb_shinfo(skb)->nr_frags;
2065 nf = &pbuf->frag_array[0];
2067 map = pci_map_single(pdev, skb->data,
2068 skb_headlen(skb), PCI_DMA_TODEVICE);
2069 if (pci_dma_mapping_error(pdev, map))
2073 nf->length = skb_headlen(skb);
2075 for (i = 0; i < nr_frags; i++) {
2076 frag = &skb_shinfo(skb)->frags[i];
2077 nf = &pbuf->frag_array[i+1];
2079 map = pci_map_page(pdev, frag->page, frag->page_offset,
2080 frag->size, PCI_DMA_TODEVICE);
2081 if (pci_dma_mapping_error(pdev, map))
2085 nf->length = frag->size;
2092 nf = &pbuf->frag_array[i+1];
2093 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2096 nf = &pbuf->frag_array[0];
2097 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2104 qlcnic_unmap_buffers(struct pci_dev *pdev, struct sk_buff *skb,
2105 struct qlcnic_cmd_buffer *pbuf)
2107 struct qlcnic_skb_frag *nf = &pbuf->frag_array[0];
2108 int nr_frags = skb_shinfo(skb)->nr_frags;
2111 for (i = 0; i < nr_frags; i++) {
2112 nf = &pbuf->frag_array[i+1];
2113 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2116 nf = &pbuf->frag_array[0];
2117 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2121 qlcnic_clear_cmddesc(u64 *desc)
2129 qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2131 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2132 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2133 struct qlcnic_cmd_buffer *pbuf;
2134 struct qlcnic_skb_frag *buffrag;
2135 struct cmd_desc_type0 *hwdesc, *first_desc;
2136 struct pci_dev *pdev;
2137 struct ethhdr *phdr;
2143 u32 num_txd = tx_ring->num_desc;
2145 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
2146 netif_stop_queue(netdev);
2147 return NETDEV_TX_BUSY;
2150 if (adapter->flags & QLCNIC_MACSPOOF) {
2151 phdr = (struct ethhdr *)skb->data;
2152 if (compare_ether_addr(phdr->h_source,
2157 frag_count = skb_shinfo(skb)->nr_frags + 1;
2158 /* 14 frags supported for normal packet and
2159 * 32 frags supported for TSO packet
2161 if (!skb_is_gso(skb) && frag_count > QLCNIC_MAX_FRAGS_PER_TX) {
2163 for (i = 0; i < (frag_count - QLCNIC_MAX_FRAGS_PER_TX); i++)
2164 delta += skb_shinfo(skb)->frags[i].size;
2166 if (!__pskb_pull_tail(skb, delta))
2169 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2172 if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
2173 netif_stop_queue(netdev);
2174 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH)
2175 netif_start_queue(netdev);
2177 adapter->stats.xmit_off++;
2178 return NETDEV_TX_BUSY;
2182 producer = tx_ring->producer;
2183 pbuf = &tx_ring->cmd_buf_arr[producer];
2185 pdev = adapter->pdev;
2187 first_desc = hwdesc = &tx_ring->desc_head[producer];
2188 qlcnic_clear_cmddesc((u64 *)hwdesc);
2190 if (qlcnic_map_tx_skb(pdev, skb, pbuf)) {
2191 adapter->stats.tx_dma_map_error++;
2196 pbuf->frag_count = frag_count;
2198 qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len);
2199 qlcnic_set_tx_port(first_desc, adapter->portnum);
2201 for (i = 0; i < frag_count; i++) {
2205 if ((k == 0) && (i > 0)) {
2206 /* move to next desc.*/
2207 producer = get_next_index(producer, num_txd);
2208 hwdesc = &tx_ring->desc_head[producer];
2209 qlcnic_clear_cmddesc((u64 *)hwdesc);
2210 tx_ring->cmd_buf_arr[producer].skb = NULL;
2213 buffrag = &pbuf->frag_array[i];
2215 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2218 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2221 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2224 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2227 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2232 tx_ring->producer = get_next_index(producer, num_txd);
2235 if (unlikely(qlcnic_tx_pkt(adapter, first_desc, skb)))
2238 if (qlcnic_mac_learn)
2239 qlcnic_send_filter(adapter, tx_ring, first_desc, skb);
2241 qlcnic_update_cmd_producer(adapter, tx_ring);
2243 adapter->stats.txbytes += skb->len;
2244 adapter->stats.xmitcalled++;
2246 return NETDEV_TX_OK;
2249 qlcnic_unmap_buffers(pdev, skb, pbuf);
2251 adapter->stats.txdropped++;
2252 dev_kfree_skb_any(skb);
2253 return NETDEV_TX_OK;
2256 static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2258 struct net_device *netdev = adapter->netdev;
2259 u32 temp, temp_state, temp_val;
2262 temp = QLCRD32(adapter, CRB_TEMP_STATE);
2264 temp_state = qlcnic_get_temp_state(temp);
2265 temp_val = qlcnic_get_temp_val(temp);
2267 if (temp_state == QLCNIC_TEMP_PANIC) {
2268 dev_err(&netdev->dev,
2269 "Device temperature %d degrees C exceeds"
2270 " maximum allowed. Hardware has been shut down.\n",
2273 } else if (temp_state == QLCNIC_TEMP_WARN) {
2274 if (adapter->temp == QLCNIC_TEMP_NORMAL) {
2275 dev_err(&netdev->dev,
2276 "Device temperature %d degrees C "
2277 "exceeds operating range."
2278 " Immediate action needed.\n",
2282 if (adapter->temp == QLCNIC_TEMP_WARN) {
2283 dev_info(&netdev->dev,
2284 "Device temperature is now %d degrees C"
2285 " in normal range.\n", temp_val);
2288 adapter->temp = temp_state;
2292 void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup)
2294 struct net_device *netdev = adapter->netdev;
2296 if (adapter->ahw->linkup && !linkup) {
2297 netdev_info(netdev, "NIC Link is down\n");
2298 adapter->ahw->linkup = 0;
2299 if (netif_running(netdev)) {
2300 netif_carrier_off(netdev);
2301 netif_stop_queue(netdev);
2303 } else if (!adapter->ahw->linkup && linkup) {
2304 netdev_info(netdev, "NIC Link is up\n");
2305 adapter->ahw->linkup = 1;
2306 if (netif_running(netdev)) {
2307 netif_carrier_on(netdev);
2308 netif_wake_queue(netdev);
2313 static void qlcnic_tx_timeout(struct net_device *netdev)
2315 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2317 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2320 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2322 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
2323 adapter->need_fw_reset = 1;
2325 adapter->reset_context = 1;
2328 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2330 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2331 struct net_device_stats *stats = &netdev->stats;
2333 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2334 stats->tx_packets = adapter->stats.xmitfinished;
2335 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2336 stats->tx_bytes = adapter->stats.txbytes;
2337 stats->rx_dropped = adapter->stats.rxdropped;
2338 stats->tx_dropped = adapter->stats.txdropped;
2343 static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
2347 status = readl(adapter->isr_int_vec);
2349 if (!(status & adapter->int_vec_bit))
2352 /* check interrupt state machine, to be sure */
2353 status = readl(adapter->crb_int_state_reg);
2354 if (!ISR_LEGACY_INT_TRIGGERED(status))
2357 writel(0xffffffff, adapter->tgt_status_reg);
2358 /* read twice to ensure write is flushed */
2359 readl(adapter->isr_int_vec);
2360 readl(adapter->isr_int_vec);
2365 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2367 struct qlcnic_host_sds_ring *sds_ring = data;
2368 struct qlcnic_adapter *adapter = sds_ring->adapter;
2370 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2372 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2373 writel(0xffffffff, adapter->tgt_status_reg);
2377 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2381 adapter->diag_cnt++;
2382 qlcnic_enable_int(sds_ring);
2386 static irqreturn_t qlcnic_intr(int irq, void *data)
2388 struct qlcnic_host_sds_ring *sds_ring = data;
2389 struct qlcnic_adapter *adapter = sds_ring->adapter;
2391 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2394 napi_schedule(&sds_ring->napi);
2399 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2401 struct qlcnic_host_sds_ring *sds_ring = data;
2402 struct qlcnic_adapter *adapter = sds_ring->adapter;
2404 /* clear interrupt */
2405 writel(0xffffffff, adapter->tgt_status_reg);
2407 napi_schedule(&sds_ring->napi);
2411 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2413 struct qlcnic_host_sds_ring *sds_ring = data;
2415 napi_schedule(&sds_ring->napi);
2419 static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter)
2421 u32 sw_consumer, hw_consumer;
2423 struct qlcnic_cmd_buffer *buffer;
2424 struct pci_dev *pdev = adapter->pdev;
2425 struct net_device *netdev = adapter->netdev;
2426 struct qlcnic_skb_frag *frag;
2428 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2430 if (!spin_trylock(&adapter->tx_clean_lock))
2433 sw_consumer = tx_ring->sw_consumer;
2434 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2436 while (sw_consumer != hw_consumer) {
2437 buffer = &tx_ring->cmd_buf_arr[sw_consumer];
2439 frag = &buffer->frag_array[0];
2440 pci_unmap_single(pdev, frag->dma, frag->length,
2443 for (i = 1; i < buffer->frag_count; i++) {
2445 pci_unmap_page(pdev, frag->dma, frag->length,
2450 adapter->stats.xmitfinished++;
2451 dev_kfree_skb_any(buffer->skb);
2455 sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc);
2456 if (++count >= MAX_STATUS_HANDLE)
2460 if (count && netif_running(netdev)) {
2461 tx_ring->sw_consumer = sw_consumer;
2465 if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) {
2466 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) {
2467 netif_wake_queue(netdev);
2468 adapter->stats.xmit_on++;
2471 adapter->tx_timeo_cnt = 0;
2474 * If everything is freed up to consumer then check if the ring is full
2475 * If the ring is full then check if more needs to be freed and
2476 * schedule the call back again.
2478 * This happens when there are 2 CPUs. One could be freeing and the
2479 * other filling it. If the ring is full when we get out of here and
2480 * the card has already interrupted the host then the host can miss the
2483 * There is still a possible race condition and the host could miss an
2484 * interrupt. The card has to take care of this.
2486 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2487 done = (sw_consumer == hw_consumer);
2488 spin_unlock(&adapter->tx_clean_lock);
2493 static int qlcnic_poll(struct napi_struct *napi, int budget)
2495 struct qlcnic_host_sds_ring *sds_ring =
2496 container_of(napi, struct qlcnic_host_sds_ring, napi);
2498 struct qlcnic_adapter *adapter = sds_ring->adapter;
2503 tx_complete = qlcnic_process_cmd_ring(adapter);
2505 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2507 if ((work_done < budget) && tx_complete) {
2508 napi_complete(&sds_ring->napi);
2509 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2510 qlcnic_enable_int(sds_ring);
2516 static int qlcnic_rx_poll(struct napi_struct *napi, int budget)
2518 struct qlcnic_host_sds_ring *sds_ring =
2519 container_of(napi, struct qlcnic_host_sds_ring, napi);
2521 struct qlcnic_adapter *adapter = sds_ring->adapter;
2524 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2526 if (work_done < budget) {
2527 napi_complete(&sds_ring->napi);
2528 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2529 qlcnic_enable_int(sds_ring);
2535 #ifdef CONFIG_NET_POLL_CONTROLLER
2536 static void qlcnic_poll_controller(struct net_device *netdev)
2539 struct qlcnic_host_sds_ring *sds_ring;
2540 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2541 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2543 disable_irq(adapter->irq);
2544 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2545 sds_ring = &recv_ctx->sds_rings[ring];
2546 qlcnic_intr(adapter->irq, sds_ring);
2548 enable_irq(adapter->irq);
2553 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2557 val = adapter->portnum & 0xf;
2558 val |= encoding << 7;
2559 val |= (jiffies - adapter->dev_rst_time) << 8;
2561 QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2562 adapter->dev_rst_time = jiffies;
2566 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2570 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2571 state != QLCNIC_DEV_NEED_QUISCENT);
2573 if (qlcnic_api_lock(adapter))
2576 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2578 if (state == QLCNIC_DEV_NEED_RESET)
2579 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2580 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2581 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2583 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2585 qlcnic_api_unlock(adapter);
2591 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2595 if (qlcnic_api_lock(adapter))
2598 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2599 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2600 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2602 qlcnic_api_unlock(adapter);
2608 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2612 if (qlcnic_api_lock(adapter))
2615 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2616 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2617 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2620 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
2621 dev_info(&adapter->pdev->dev,
2622 "Device state set to Failed. Please Reboot\n");
2623 } else if (!(val & 0x11111111))
2624 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD);
2626 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2627 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2628 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2630 qlcnic_api_unlock(adapter);
2632 adapter->fw_fail_cnt = 0;
2633 clear_bit(__QLCNIC_START_FW, &adapter->state);
2634 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2637 /* Grab api lock, before checking state */
2639 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2643 state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2644 act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2646 if (((state & 0x11111111) == (act & 0x11111111)) ||
2647 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2653 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2655 u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2657 if (val != QLCNIC_DRV_IDC_VER) {
2658 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2659 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2666 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2668 u32 val, prev_state;
2669 u8 dev_init_timeo = adapter->dev_init_timeo;
2670 u8 portnum = adapter->portnum;
2673 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2676 if (qlcnic_api_lock(adapter))
2679 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2680 if (!(val & (1 << (portnum * 4)))) {
2681 QLC_DEV_SET_REF_CNT(val, portnum);
2682 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2685 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2686 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2688 switch (prev_state) {
2689 case QLCNIC_DEV_COLD:
2690 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
2691 QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
2692 qlcnic_idc_debug_info(adapter, 0);
2693 qlcnic_api_unlock(adapter);
2696 case QLCNIC_DEV_READY:
2697 ret = qlcnic_check_idc_ver(adapter);
2698 qlcnic_api_unlock(adapter);
2701 case QLCNIC_DEV_NEED_RESET:
2702 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2703 QLC_DEV_SET_RST_RDY(val, portnum);
2704 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2707 case QLCNIC_DEV_NEED_QUISCENT:
2708 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2709 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2710 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2713 case QLCNIC_DEV_FAILED:
2714 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2715 qlcnic_api_unlock(adapter);
2718 case QLCNIC_DEV_INITIALIZING:
2719 case QLCNIC_DEV_QUISCENT:
2723 qlcnic_api_unlock(adapter);
2727 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2729 if (prev_state == QLCNIC_DEV_QUISCENT)
2731 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2733 if (!dev_init_timeo) {
2734 dev_err(&adapter->pdev->dev,
2735 "Waiting for device to initialize timeout\n");
2739 if (qlcnic_api_lock(adapter))
2742 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2743 QLC_DEV_CLR_RST_QSCNT(val, portnum);
2744 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2746 ret = qlcnic_check_idc_ver(adapter);
2747 qlcnic_api_unlock(adapter);
2753 qlcnic_fwinit_work(struct work_struct *work)
2755 struct qlcnic_adapter *adapter = container_of(work,
2756 struct qlcnic_adapter, fw_work.work);
2757 u32 dev_state = 0xf;
2759 if (qlcnic_api_lock(adapter))
2762 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2763 if (dev_state == QLCNIC_DEV_QUISCENT ||
2764 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2765 qlcnic_api_unlock(adapter);
2766 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2771 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
2772 qlcnic_api_unlock(adapter);
2776 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2777 dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2778 adapter->reset_ack_timeo);
2779 goto skip_ack_check;
2782 if (!qlcnic_check_drv_state(adapter)) {
2784 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2786 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2787 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2788 QLCNIC_DEV_INITIALIZING);
2789 set_bit(__QLCNIC_START_FW, &adapter->state);
2790 QLCDB(adapter, DRV, "Restarting fw\n");
2791 qlcnic_idc_debug_info(adapter, 0);
2794 qlcnic_api_unlock(adapter);
2796 if (!adapter->nic_ops->start_firmware(adapter)) {
2797 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2798 adapter->fw_wait_cnt = 0;
2804 qlcnic_api_unlock(adapter);
2807 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2808 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2810 switch (dev_state) {
2811 case QLCNIC_DEV_READY:
2812 if (!adapter->nic_ops->start_firmware(adapter)) {
2813 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2814 adapter->fw_wait_cnt = 0;
2817 case QLCNIC_DEV_FAILED:
2820 qlcnic_schedule_work(adapter,
2821 qlcnic_fwinit_work, FW_POLL_DELAY);
2826 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2827 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2828 netif_device_attach(adapter->netdev);
2829 qlcnic_clr_all_drv_state(adapter, 0);
2833 qlcnic_detach_work(struct work_struct *work)
2835 struct qlcnic_adapter *adapter = container_of(work,
2836 struct qlcnic_adapter, fw_work.work);
2837 struct net_device *netdev = adapter->netdev;
2840 netif_device_detach(netdev);
2842 /* Dont grab rtnl lock during Quiscent mode */
2843 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2844 if (netif_running(netdev))
2845 __qlcnic_down(adapter, netdev);
2847 qlcnic_down(adapter, netdev);
2849 status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2851 if (status & QLCNIC_RCODE_FATAL_ERROR)
2854 if (adapter->temp == QLCNIC_TEMP_PANIC)
2857 if (qlcnic_set_drv_state(adapter, adapter->dev_state))
2860 adapter->fw_wait_cnt = 0;
2862 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2867 dev_err(&adapter->pdev->dev, "detach failed; status=%d temp=%d\n",
2868 status, adapter->temp);
2869 netif_device_attach(netdev);
2870 qlcnic_clr_all_drv_state(adapter, 1);
2873 /*Transit NPAR state to NON Operational */
2875 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2879 state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2880 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2883 if (qlcnic_api_lock(adapter))
2885 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2886 qlcnic_api_unlock(adapter);
2889 /*Transit to RESET state from READY state only */
2891 qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
2895 adapter->need_fw_reset = 1;
2896 if (qlcnic_api_lock(adapter))
2899 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2901 if (state == QLCNIC_DEV_READY) {
2902 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
2903 QLCDB(adapter, DRV, "NEED_RESET state set\n");
2904 qlcnic_idc_debug_info(adapter, 0);
2907 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2908 qlcnic_api_unlock(adapter);
2911 /* Transit to NPAR READY state from NPAR NOT READY state */
2913 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2915 if (qlcnic_api_lock(adapter))
2918 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER);
2919 QLCDB(adapter, DRV, "NPAR operational state set\n");
2921 qlcnic_api_unlock(adapter);
2925 qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2926 work_func_t func, int delay)
2928 if (test_bit(__QLCNIC_AER, &adapter->state))
2931 INIT_DELAYED_WORK(&adapter->fw_work, func);
2932 queue_delayed_work(qlcnic_wq, &adapter->fw_work,
2933 round_jiffies_relative(delay));
2937 qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
2939 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2942 cancel_delayed_work_sync(&adapter->fw_work);
2946 qlcnic_attach_work(struct work_struct *work)
2948 struct qlcnic_adapter *adapter = container_of(work,
2949 struct qlcnic_adapter, fw_work.work);
2950 struct net_device *netdev = adapter->netdev;
2953 if (adapter->op_mode != QLCNIC_MGMT_FUNC) {
2954 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2955 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2956 qlcnic_clr_all_drv_state(adapter, 0);
2957 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2958 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2962 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2966 if (netif_running(netdev)) {
2967 if (qlcnic_up(adapter, netdev))
2970 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2974 netif_device_attach(netdev);
2975 adapter->fw_fail_cnt = 0;
2976 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2978 if (!qlcnic_clr_drv_state(adapter))
2979 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2984 qlcnic_check_health(struct qlcnic_adapter *adapter)
2986 u32 state = 0, heartbeat;
2987 struct net_device *netdev = adapter->netdev;
2989 if (qlcnic_check_temp(adapter))
2992 if (adapter->need_fw_reset)
2993 qlcnic_dev_request_reset(adapter);
2995 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2996 if (state == QLCNIC_DEV_NEED_RESET) {
2997 qlcnic_set_npar_non_operational(adapter);
2998 adapter->need_fw_reset = 1;
2999 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3002 heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3003 if (heartbeat != adapter->heartbeat) {
3004 adapter->heartbeat = heartbeat;
3005 adapter->fw_fail_cnt = 0;
3006 if (adapter->need_fw_reset)
3009 if (adapter->reset_context && auto_fw_reset) {
3010 qlcnic_reset_hw_context(adapter);
3011 adapter->netdev->trans_start = jiffies;
3017 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3020 qlcnic_dev_request_reset(adapter);
3023 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3025 dev_info(&netdev->dev, "firmware hang detected\n");
3028 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3029 QLCNIC_DEV_NEED_RESET;
3031 if (auto_fw_reset &&
3032 !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) {
3034 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3035 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3042 qlcnic_fw_poll_work(struct work_struct *work)
3044 struct qlcnic_adapter *adapter = container_of(work,
3045 struct qlcnic_adapter, fw_work.work);
3047 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3051 if (qlcnic_check_health(adapter))
3054 if (adapter->fhash.fnum)
3055 qlcnic_prune_lb_filters(adapter);
3058 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3061 static int qlcnic_is_first_func(struct pci_dev *pdev)
3063 struct pci_dev *oth_pdev;
3064 int val = pdev->devfn;
3067 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3068 (pdev->bus), pdev->bus->number,
3069 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3073 if (oth_pdev->current_state != PCI_D3cold) {
3074 pci_dev_put(oth_pdev);
3077 pci_dev_put(oth_pdev);
3082 static int qlcnic_attach_func(struct pci_dev *pdev)
3084 int err, first_func;
3085 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3086 struct net_device *netdev = adapter->netdev;
3088 pdev->error_state = pci_channel_io_normal;
3090 err = pci_enable_device(pdev);
3094 pci_set_power_state(pdev, PCI_D0);
3095 pci_set_master(pdev);
3096 pci_restore_state(pdev);
3098 first_func = qlcnic_is_first_func(pdev);
3100 if (qlcnic_api_lock(adapter))
3103 if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3104 adapter->need_fw_reset = 1;
3105 set_bit(__QLCNIC_START_FW, &adapter->state);
3106 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
3107 QLCDB(adapter, DRV, "Restarting fw\n");
3109 qlcnic_api_unlock(adapter);
3111 err = adapter->nic_ops->start_firmware(adapter);
3115 qlcnic_clr_drv_state(adapter);
3116 qlcnic_setup_intr(adapter);
3118 if (netif_running(netdev)) {
3119 err = qlcnic_attach(adapter);
3121 qlcnic_clr_all_drv_state(adapter, 1);
3122 clear_bit(__QLCNIC_AER, &adapter->state);
3123 netif_device_attach(netdev);
3127 err = qlcnic_up(adapter, netdev);
3131 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3134 netif_device_attach(netdev);
3138 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3139 pci_channel_state_t state)
3141 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3142 struct net_device *netdev = adapter->netdev;
3144 if (state == pci_channel_io_perm_failure)
3145 return PCI_ERS_RESULT_DISCONNECT;
3147 if (state == pci_channel_io_normal)
3148 return PCI_ERS_RESULT_RECOVERED;
3150 set_bit(__QLCNIC_AER, &adapter->state);
3151 netif_device_detach(netdev);
3153 cancel_delayed_work_sync(&adapter->fw_work);
3155 if (netif_running(netdev))
3156 qlcnic_down(adapter, netdev);
3158 qlcnic_detach(adapter);
3159 qlcnic_teardown_intr(adapter);
3161 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3163 pci_save_state(pdev);
3164 pci_disable_device(pdev);
3166 return PCI_ERS_RESULT_NEED_RESET;
3169 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3171 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3172 PCI_ERS_RESULT_RECOVERED;
3175 static void qlcnic_io_resume(struct pci_dev *pdev)
3177 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3179 pci_cleanup_aer_uncorrect_error_status(pdev);
3181 if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY &&
3182 test_and_clear_bit(__QLCNIC_AER, &adapter->state))
3183 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3188 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3192 err = qlcnic_can_start_firmware(adapter);
3196 err = qlcnic_check_npar_opertional(adapter);
3200 err = qlcnic_initialize_nic(adapter);
3204 qlcnic_check_options(adapter);
3206 err = qlcnic_set_eswitch_port_config(adapter);
3210 adapter->need_fw_reset = 0;
3216 qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
3222 qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
3228 qlcnic_store_bridged_mode(struct device *dev,
3229 struct device_attribute *attr, const char *buf, size_t len)
3231 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3235 if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG))
3238 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3241 if (strict_strtoul(buf, 2, &new))
3244 if (!adapter->nic_ops->config_bridged_mode(adapter, !!new))
3252 qlcnic_show_bridged_mode(struct device *dev,
3253 struct device_attribute *attr, char *buf)
3255 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3256 int bridged_mode = 0;
3258 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
3259 bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED);
3261 return sprintf(buf, "%d\n", bridged_mode);
3264 static struct device_attribute dev_attr_bridged_mode = {
3265 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
3266 .show = qlcnic_show_bridged_mode,
3267 .store = qlcnic_store_bridged_mode,
3271 qlcnic_store_diag_mode(struct device *dev,
3272 struct device_attribute *attr, const char *buf, size_t len)
3274 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3277 if (strict_strtoul(buf, 2, &new))
3280 if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED))
3281 adapter->flags ^= QLCNIC_DIAG_ENABLED;
3287 qlcnic_show_diag_mode(struct device *dev,
3288 struct device_attribute *attr, char *buf)
3290 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3292 return sprintf(buf, "%d\n",
3293 !!(adapter->flags & QLCNIC_DIAG_ENABLED));
3296 static struct device_attribute dev_attr_diag_mode = {
3297 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
3298 .show = qlcnic_show_diag_mode,
3299 .store = qlcnic_store_diag_mode,
3303 qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter,
3304 loff_t offset, size_t size)
3306 size_t crb_size = 4;
3308 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3311 if (offset < QLCNIC_PCI_CRBSPACE) {
3312 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM,
3313 QLCNIC_PCI_CAMQM_END))
3319 if ((size != crb_size) || (offset & (crb_size-1)))
3326 qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj,
3327 struct bin_attribute *attr,
3328 char *buf, loff_t offset, size_t size)
3330 struct device *dev = container_of(kobj, struct device, kobj);
3331 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3336 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3340 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3341 qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata);
3342 memcpy(buf, &qmdata, size);
3344 data = QLCRD32(adapter, offset);
3345 memcpy(buf, &data, size);
3351 qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj,
3352 struct bin_attribute *attr,
3353 char *buf, loff_t offset, size_t size)
3355 struct device *dev = container_of(kobj, struct device, kobj);
3356 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3361 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3365 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3366 memcpy(&qmdata, buf, size);
3367 qlcnic_pci_camqm_write_2M(adapter, offset, qmdata);
3369 memcpy(&data, buf, size);
3370 QLCWR32(adapter, offset, data);
3376 qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter,
3377 loff_t offset, size_t size)
3379 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3382 if ((size != 8) || (offset & 0x7))
3389 qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj,
3390 struct bin_attribute *attr,
3391 char *buf, loff_t offset, size_t size)
3393 struct device *dev = container_of(kobj, struct device, kobj);
3394 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3398 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3402 if (qlcnic_pci_mem_read_2M(adapter, offset, &data))
3405 memcpy(buf, &data, size);
3411 qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj,
3412 struct bin_attribute *attr,
3413 char *buf, loff_t offset, size_t size)
3415 struct device *dev = container_of(kobj, struct device, kobj);
3416 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3420 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3424 memcpy(&data, buf, size);
3426 if (qlcnic_pci_mem_write_2M(adapter, offset, data))
3433 static struct bin_attribute bin_attr_crb = {
3434 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
3436 .read = qlcnic_sysfs_read_crb,
3437 .write = qlcnic_sysfs_write_crb,
3440 static struct bin_attribute bin_attr_mem = {
3441 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
3443 .read = qlcnic_sysfs_read_mem,
3444 .write = qlcnic_sysfs_write_mem,
3448 validate_pm_config(struct qlcnic_adapter *adapter,
3449 struct qlcnic_pm_func_cfg *pm_cfg, int count)
3452 u8 src_pci_func, s_esw_id, d_esw_id;
3456 for (i = 0; i < count; i++) {
3457 src_pci_func = pm_cfg[i].pci_func;
3458 dest_pci_func = pm_cfg[i].dest_npar;
3459 if (src_pci_func >= QLCNIC_MAX_PCI_FUNC
3460 || dest_pci_func >= QLCNIC_MAX_PCI_FUNC)
3461 return QL_STATUS_INVALID_PARAM;
3463 if (adapter->npars[src_pci_func].type != QLCNIC_TYPE_NIC)
3464 return QL_STATUS_INVALID_PARAM;
3466 if (adapter->npars[dest_pci_func].type != QLCNIC_TYPE_NIC)
3467 return QL_STATUS_INVALID_PARAM;
3469 s_esw_id = adapter->npars[src_pci_func].phy_port;
3470 d_esw_id = adapter->npars[dest_pci_func].phy_port;
3472 if (s_esw_id != d_esw_id)
3473 return QL_STATUS_INVALID_PARAM;
3481 qlcnic_sysfs_write_pm_config(struct file *filp, struct kobject *kobj,
3482 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3484 struct device *dev = container_of(kobj, struct device, kobj);
3485 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3486 struct qlcnic_pm_func_cfg *pm_cfg;
3487 u32 id, action, pci_func;
3488 int count, rem, i, ret;
3490 count = size / sizeof(struct qlcnic_pm_func_cfg);
3491 rem = size % sizeof(struct qlcnic_pm_func_cfg);
3493 return QL_STATUS_INVALID_PARAM;
3495 pm_cfg = (struct qlcnic_pm_func_cfg *) buf;
3497 ret = validate_pm_config(adapter, pm_cfg, count);
3500 for (i = 0; i < count; i++) {
3501 pci_func = pm_cfg[i].pci_func;
3502 action = !!pm_cfg[i].action;
3503 id = adapter->npars[pci_func].phy_port;
3504 ret = qlcnic_config_port_mirroring(adapter, id,
3510 for (i = 0; i < count; i++) {
3511 pci_func = pm_cfg[i].pci_func;
3512 id = adapter->npars[pci_func].phy_port;
3513 adapter->npars[pci_func].enable_pm = !!pm_cfg[i].action;
3514 adapter->npars[pci_func].dest_npar = id;
3520 qlcnic_sysfs_read_pm_config(struct file *filp, struct kobject *kobj,
3521 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3523 struct device *dev = container_of(kobj, struct device, kobj);
3524 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3525 struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC];
3528 if (size != sizeof(pm_cfg))
3529 return QL_STATUS_INVALID_PARAM;
3531 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3532 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3534 pm_cfg[i].action = adapter->npars[i].enable_pm;
3535 pm_cfg[i].dest_npar = 0;
3536 pm_cfg[i].pci_func = i;
3538 memcpy(buf, &pm_cfg, size);
3544 validate_esw_config(struct qlcnic_adapter *adapter,
3545 struct qlcnic_esw_func_cfg *esw_cfg, int count)
3551 op_mode = readl(adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE);
3553 for (i = 0; i < count; i++) {
3554 pci_func = esw_cfg[i].pci_func;
3555 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3556 return QL_STATUS_INVALID_PARAM;
3558 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
3559 if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3560 return QL_STATUS_INVALID_PARAM;
3562 switch (esw_cfg[i].op_mode) {
3563 case QLCNIC_PORT_DEFAULTS:
3564 if (QLC_DEV_GET_DRV(op_mode, pci_func) !=
3565 QLCNIC_NON_PRIV_FUNC) {
3566 if (esw_cfg[i].mac_anti_spoof != 0)
3567 return QL_STATUS_INVALID_PARAM;
3568 if (esw_cfg[i].mac_override != 1)
3569 return QL_STATUS_INVALID_PARAM;
3570 if (esw_cfg[i].promisc_mode != 1)
3571 return QL_STATUS_INVALID_PARAM;
3574 case QLCNIC_ADD_VLAN:
3575 if (!IS_VALID_VLAN(esw_cfg[i].vlan_id))
3576 return QL_STATUS_INVALID_PARAM;
3577 if (!esw_cfg[i].op_type)
3578 return QL_STATUS_INVALID_PARAM;
3580 case QLCNIC_DEL_VLAN:
3581 if (!esw_cfg[i].op_type)
3582 return QL_STATUS_INVALID_PARAM;
3585 return QL_STATUS_INVALID_PARAM;
3592 qlcnic_sysfs_write_esw_config(struct file *file, struct kobject *kobj,
3593 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3595 struct device *dev = container_of(kobj, struct device, kobj);
3596 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3597 struct qlcnic_esw_func_cfg *esw_cfg;
3598 struct qlcnic_npar_info *npar;
3599 int count, rem, i, ret;
3600 u8 pci_func, op_mode = 0;
3602 count = size / sizeof(struct qlcnic_esw_func_cfg);
3603 rem = size % sizeof(struct qlcnic_esw_func_cfg);
3605 return QL_STATUS_INVALID_PARAM;
3607 esw_cfg = (struct qlcnic_esw_func_cfg *) buf;
3608 ret = validate_esw_config(adapter, esw_cfg, count);
3612 for (i = 0; i < count; i++) {
3613 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
3614 if (qlcnic_config_switch_port(adapter, &esw_cfg[i]))
3615 return QL_STATUS_INVALID_PARAM;
3617 if (adapter->ahw->pci_func != esw_cfg[i].pci_func)
3620 op_mode = esw_cfg[i].op_mode;
3621 qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]);
3622 esw_cfg[i].op_mode = op_mode;
3623 esw_cfg[i].pci_func = adapter->ahw->pci_func;
3625 switch (esw_cfg[i].op_mode) {
3626 case QLCNIC_PORT_DEFAULTS:
3627 qlcnic_set_eswitch_port_features(adapter, &esw_cfg[i]);
3629 case QLCNIC_ADD_VLAN:
3630 qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
3632 case QLCNIC_DEL_VLAN:
3633 esw_cfg[i].vlan_id = 0;
3634 qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
3639 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
3642 for (i = 0; i < count; i++) {
3643 pci_func = esw_cfg[i].pci_func;
3644 npar = &adapter->npars[pci_func];
3645 switch (esw_cfg[i].op_mode) {
3646 case QLCNIC_PORT_DEFAULTS:
3647 npar->promisc_mode = esw_cfg[i].promisc_mode;
3648 npar->mac_override = esw_cfg[i].mac_override;
3649 npar->offload_flags = esw_cfg[i].offload_flags;
3650 npar->mac_anti_spoof = esw_cfg[i].mac_anti_spoof;
3651 npar->discard_tagged = esw_cfg[i].discard_tagged;
3653 case QLCNIC_ADD_VLAN:
3654 npar->pvid = esw_cfg[i].vlan_id;
3656 case QLCNIC_DEL_VLAN:
3666 qlcnic_sysfs_read_esw_config(struct file *file, struct kobject *kobj,
3667 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3669 struct device *dev = container_of(kobj, struct device, kobj);
3670 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3671 struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC];
3674 if (size != sizeof(esw_cfg))
3675 return QL_STATUS_INVALID_PARAM;
3677 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3678 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3680 esw_cfg[i].pci_func = i;
3681 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]))
3682 return QL_STATUS_INVALID_PARAM;
3684 memcpy(buf, &esw_cfg, size);
3690 validate_npar_config(struct qlcnic_adapter *adapter,
3691 struct qlcnic_npar_func_cfg *np_cfg, int count)
3695 for (i = 0; i < count; i++) {
3696 pci_func = np_cfg[i].pci_func;
3697 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3698 return QL_STATUS_INVALID_PARAM;
3700 if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3701 return QL_STATUS_INVALID_PARAM;
3703 if (!IS_VALID_BW(np_cfg[i].min_bw) ||
3704 !IS_VALID_BW(np_cfg[i].max_bw))
3705 return QL_STATUS_INVALID_PARAM;
3711 qlcnic_sysfs_write_npar_config(struct file *file, struct kobject *kobj,
3712 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3714 struct device *dev = container_of(kobj, struct device, kobj);
3715 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3716 struct qlcnic_info nic_info;
3717 struct qlcnic_npar_func_cfg *np_cfg;
3718 int i, count, rem, ret;
3721 count = size / sizeof(struct qlcnic_npar_func_cfg);
3722 rem = size % sizeof(struct qlcnic_npar_func_cfg);
3724 return QL_STATUS_INVALID_PARAM;
3726 np_cfg = (struct qlcnic_npar_func_cfg *) buf;
3727 ret = validate_npar_config(adapter, np_cfg, count);
3731 for (i = 0; i < count ; i++) {
3732 pci_func = np_cfg[i].pci_func;
3733 ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
3736 nic_info.pci_func = pci_func;
3737 nic_info.min_tx_bw = np_cfg[i].min_bw;
3738 nic_info.max_tx_bw = np_cfg[i].max_bw;
3739 ret = qlcnic_set_nic_info(adapter, &nic_info);
3742 adapter->npars[i].min_bw = nic_info.min_tx_bw;
3743 adapter->npars[i].max_bw = nic_info.max_tx_bw;
3750 qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj,
3751 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3753 struct device *dev = container_of(kobj, struct device, kobj);
3754 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3755 struct qlcnic_info nic_info;
3756 struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC];
3759 if (size != sizeof(np_cfg))
3760 return QL_STATUS_INVALID_PARAM;
3762 for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
3763 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3765 ret = qlcnic_get_nic_info(adapter, &nic_info, i);
3769 np_cfg[i].pci_func = i;
3770 np_cfg[i].op_mode = (u8)nic_info.op_mode;
3771 np_cfg[i].port_num = nic_info.phys_port;
3772 np_cfg[i].fw_capab = nic_info.capabilities;
3773 np_cfg[i].min_bw = nic_info.min_tx_bw ;
3774 np_cfg[i].max_bw = nic_info.max_tx_bw;
3775 np_cfg[i].max_tx_queues = nic_info.max_tx_ques;
3776 np_cfg[i].max_rx_queues = nic_info.max_rx_ques;
3778 memcpy(buf, &np_cfg, size);
3783 qlcnic_sysfs_get_port_stats(struct file *file, struct kobject *kobj,
3784 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3786 struct device *dev = container_of(kobj, struct device, kobj);
3787 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3788 struct qlcnic_esw_statistics port_stats;
3791 if (size != sizeof(struct qlcnic_esw_statistics))
3792 return QL_STATUS_INVALID_PARAM;
3794 if (offset >= QLCNIC_MAX_PCI_FUNC)
3795 return QL_STATUS_INVALID_PARAM;
3797 memset(&port_stats, 0, size);
3798 ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
3803 ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
3808 memcpy(buf, &port_stats, size);
3813 qlcnic_sysfs_get_esw_stats(struct file *file, struct kobject *kobj,
3814 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3816 struct device *dev = container_of(kobj, struct device, kobj);
3817 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3818 struct qlcnic_esw_statistics esw_stats;
3821 if (size != sizeof(struct qlcnic_esw_statistics))
3822 return QL_STATUS_INVALID_PARAM;
3824 if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
3825 return QL_STATUS_INVALID_PARAM;
3827 memset(&esw_stats, 0, size);
3828 ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
3833 ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
3838 memcpy(buf, &esw_stats, size);
3843 qlcnic_sysfs_clear_esw_stats(struct file *file, struct kobject *kobj,
3844 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3846 struct device *dev = container_of(kobj, struct device, kobj);
3847 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3850 if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
3851 return QL_STATUS_INVALID_PARAM;
3853 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
3854 QLCNIC_QUERY_RX_COUNTER);
3858 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
3859 QLCNIC_QUERY_TX_COUNTER);
3867 qlcnic_sysfs_clear_port_stats(struct file *file, struct kobject *kobj,
3868 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3871 struct device *dev = container_of(kobj, struct device, kobj);
3872 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3875 if (offset >= QLCNIC_MAX_PCI_FUNC)
3876 return QL_STATUS_INVALID_PARAM;
3878 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
3879 QLCNIC_QUERY_RX_COUNTER);
3883 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
3884 QLCNIC_QUERY_TX_COUNTER);
3892 qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj,
3893 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3895 struct device *dev = container_of(kobj, struct device, kobj);
3896 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3897 struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC];
3898 struct qlcnic_pci_info *pci_info;
3901 if (size != sizeof(pci_cfg))
3902 return QL_STATUS_INVALID_PARAM;
3904 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
3908 ret = qlcnic_get_pci_info(adapter, pci_info);
3914 for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
3915 pci_cfg[i].pci_func = pci_info[i].id;
3916 pci_cfg[i].func_type = pci_info[i].type;
3917 pci_cfg[i].port_num = pci_info[i].default_port;
3918 pci_cfg[i].min_bw = pci_info[i].tx_min_bw;
3919 pci_cfg[i].max_bw = pci_info[i].tx_max_bw;
3920 memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN);
3922 memcpy(buf, &pci_cfg, size);
3926 static struct bin_attribute bin_attr_npar_config = {
3927 .attr = {.name = "npar_config", .mode = (S_IRUGO | S_IWUSR)},
3929 .read = qlcnic_sysfs_read_npar_config,
3930 .write = qlcnic_sysfs_write_npar_config,
3933 static struct bin_attribute bin_attr_pci_config = {
3934 .attr = {.name = "pci_config", .mode = (S_IRUGO | S_IWUSR)},
3936 .read = qlcnic_sysfs_read_pci_config,
3940 static struct bin_attribute bin_attr_port_stats = {
3941 .attr = {.name = "port_stats", .mode = (S_IRUGO | S_IWUSR)},
3943 .read = qlcnic_sysfs_get_port_stats,
3944 .write = qlcnic_sysfs_clear_port_stats,
3947 static struct bin_attribute bin_attr_esw_stats = {
3948 .attr = {.name = "esw_stats", .mode = (S_IRUGO | S_IWUSR)},
3950 .read = qlcnic_sysfs_get_esw_stats,
3951 .write = qlcnic_sysfs_clear_esw_stats,
3954 static struct bin_attribute bin_attr_esw_config = {
3955 .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)},
3957 .read = qlcnic_sysfs_read_esw_config,
3958 .write = qlcnic_sysfs_write_esw_config,
3961 static struct bin_attribute bin_attr_pm_config = {
3962 .attr = {.name = "pm_config", .mode = (S_IRUGO | S_IWUSR)},
3964 .read = qlcnic_sysfs_read_pm_config,
3965 .write = qlcnic_sysfs_write_pm_config,
3969 qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter)
3971 struct device *dev = &adapter->pdev->dev;
3973 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
3974 if (device_create_file(dev, &dev_attr_bridged_mode))
3976 "failed to create bridged_mode sysfs entry\n");
3980 qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter)
3982 struct device *dev = &adapter->pdev->dev;
3984 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
3985 device_remove_file(dev, &dev_attr_bridged_mode);
3989 qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
3991 struct device *dev = &adapter->pdev->dev;
3993 if (device_create_bin_file(dev, &bin_attr_port_stats))
3994 dev_info(dev, "failed to create port stats sysfs entry");
3996 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
3998 if (device_create_file(dev, &dev_attr_diag_mode))
3999 dev_info(dev, "failed to create diag_mode sysfs entry\n");
4000 if (device_create_bin_file(dev, &bin_attr_crb))
4001 dev_info(dev, "failed to create crb sysfs entry\n");
4002 if (device_create_bin_file(dev, &bin_attr_mem))
4003 dev_info(dev, "failed to create mem sysfs entry\n");
4004 if (device_create_bin_file(dev, &bin_attr_pci_config))
4005 dev_info(dev, "failed to create pci config sysfs entry");
4006 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
4008 if (device_create_bin_file(dev, &bin_attr_esw_config))
4009 dev_info(dev, "failed to create esw config sysfs entry");
4010 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
4012 if (device_create_bin_file(dev, &bin_attr_npar_config))
4013 dev_info(dev, "failed to create npar config sysfs entry");
4014 if (device_create_bin_file(dev, &bin_attr_pm_config))
4015 dev_info(dev, "failed to create pm config sysfs entry");
4016 if (device_create_bin_file(dev, &bin_attr_esw_stats))
4017 dev_info(dev, "failed to create eswitch stats sysfs entry");
4021 qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
4023 struct device *dev = &adapter->pdev->dev;
4025 device_remove_bin_file(dev, &bin_attr_port_stats);
4027 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
4029 device_remove_file(dev, &dev_attr_diag_mode);
4030 device_remove_bin_file(dev, &bin_attr_crb);
4031 device_remove_bin_file(dev, &bin_attr_mem);
4032 device_remove_bin_file(dev, &bin_attr_pci_config);
4033 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
4035 device_remove_bin_file(dev, &bin_attr_esw_config);
4036 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
4038 device_remove_bin_file(dev, &bin_attr_npar_config);
4039 device_remove_bin_file(dev, &bin_attr_pm_config);
4040 device_remove_bin_file(dev, &bin_attr_esw_stats);
4045 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4048 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4049 struct net_device *dev, unsigned long event)
4051 struct in_device *indev;
4053 indev = in_dev_get(dev);
4060 qlcnic_config_ipaddr(adapter,
4061 ifa->ifa_address, QLCNIC_IP_UP);
4064 qlcnic_config_ipaddr(adapter,
4065 ifa->ifa_address, QLCNIC_IP_DOWN);
4070 } endfor_ifa(indev);
4076 qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4078 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4079 struct net_device *dev;
4082 qlcnic_config_indev_addr(adapter, netdev, event);
4084 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4085 dev = vlan_find_dev(netdev, vid);
4088 qlcnic_config_indev_addr(adapter, dev, event);
4092 static int qlcnic_netdev_event(struct notifier_block *this,
4093 unsigned long event, void *ptr)
4095 struct qlcnic_adapter *adapter;
4096 struct net_device *dev = (struct net_device *)ptr;
4102 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4103 dev = vlan_dev_real_dev(dev);
4107 if (!is_qlcnic_netdev(dev))
4110 adapter = netdev_priv(dev);
4115 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4118 qlcnic_config_indev_addr(adapter, dev, event);
4124 qlcnic_inetaddr_event(struct notifier_block *this,
4125 unsigned long event, void *ptr)
4127 struct qlcnic_adapter *adapter;
4128 struct net_device *dev;
4130 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4132 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4138 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4139 dev = vlan_dev_real_dev(dev);
4143 if (!is_qlcnic_netdev(dev))
4146 adapter = netdev_priv(dev);
4151 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4156 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4159 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4169 static struct notifier_block qlcnic_netdev_cb = {
4170 .notifier_call = qlcnic_netdev_event,
4173 static struct notifier_block qlcnic_inetaddr_cb = {
4174 .notifier_call = qlcnic_inetaddr_event,
4178 qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4181 static struct pci_error_handlers qlcnic_err_handler = {
4182 .error_detected = qlcnic_io_error_detected,
4183 .slot_reset = qlcnic_io_slot_reset,
4184 .resume = qlcnic_io_resume,
4187 static struct pci_driver qlcnic_driver = {
4188 .name = qlcnic_driver_name,
4189 .id_table = qlcnic_pci_tbl,
4190 .probe = qlcnic_probe,
4191 .remove = __devexit_p(qlcnic_remove),
4193 .suspend = qlcnic_suspend,
4194 .resume = qlcnic_resume,
4196 .shutdown = qlcnic_shutdown,
4197 .err_handler = &qlcnic_err_handler
4201 static int __init qlcnic_init_module(void)
4205 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4207 qlcnic_wq = create_singlethread_workqueue("qlcnic");
4208 if (qlcnic_wq == NULL) {
4209 printk(KERN_ERR "qlcnic: cannot create workqueue\n");
4214 register_netdevice_notifier(&qlcnic_netdev_cb);
4215 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4218 ret = pci_register_driver(&qlcnic_driver);
4221 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4222 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4224 destroy_workqueue(qlcnic_wq);
4230 module_init(qlcnic_init_module);
4232 static void __exit qlcnic_exit_module(void)
4235 pci_unregister_driver(&qlcnic_driver);
4238 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4239 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4241 destroy_workqueue(qlcnic_wq);
4244 module_exit(qlcnic_exit_module);