2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2010 QLogic Corporation
5 * See LICENSE.qlcnic for copyright and licensing details.
8 #include <linux/slab.h>
9 #include <linux/vmalloc.h>
10 #include <linux/interrupt.h>
14 #include <linux/swab.h>
15 #include <linux/dma-mapping.h>
17 #include <linux/ipv6.h>
18 #include <linux/inetdevice.h>
19 #include <linux/sysfs.h>
20 #include <linux/aer.h>
21 #include <linux/log2.h>
23 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
24 MODULE_LICENSE("GPL");
25 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
26 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
28 char qlcnic_driver_name[] = "qlcnic";
29 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
30 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
32 static struct workqueue_struct *qlcnic_wq;
33 static int qlcnic_mac_learn;
34 module_param(qlcnic_mac_learn, int, 0444);
35 MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)");
37 static int use_msi = 1;
38 module_param(use_msi, int, 0444);
39 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
41 static int use_msi_x = 1;
42 module_param(use_msi_x, int, 0444);
43 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
45 static int auto_fw_reset = 1;
46 module_param(auto_fw_reset, int, 0644);
47 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
49 static int load_fw_file;
50 module_param(load_fw_file, int, 0444);
51 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
53 static int qlcnic_config_npars;
54 module_param(qlcnic_config_npars, int, 0444);
55 MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
57 static int __devinit qlcnic_probe(struct pci_dev *pdev,
58 const struct pci_device_id *ent);
59 static void __devexit qlcnic_remove(struct pci_dev *pdev);
60 static int qlcnic_open(struct net_device *netdev);
61 static int qlcnic_close(struct net_device *netdev);
62 static void qlcnic_tx_timeout(struct net_device *netdev);
63 static void qlcnic_attach_work(struct work_struct *work);
64 static void qlcnic_fwinit_work(struct work_struct *work);
65 static void qlcnic_fw_poll_work(struct work_struct *work);
66 static void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
67 work_func_t func, int delay);
68 static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter);
69 static int qlcnic_poll(struct napi_struct *napi, int budget);
70 static int qlcnic_rx_poll(struct napi_struct *napi, int budget);
71 #ifdef CONFIG_NET_POLL_CONTROLLER
72 static void qlcnic_poll_controller(struct net_device *netdev);
75 static void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter);
76 static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter);
77 static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter);
78 static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter);
80 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
81 static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
82 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
84 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
85 static irqreturn_t qlcnic_intr(int irq, void *data);
86 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
87 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
89 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
90 static void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long);
91 static int qlcnic_start_firmware(struct qlcnic_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_rx_mode = 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
353 static int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
355 struct pci_dev *pdev = adapter->pdev;
358 adapter->max_sds_rings = 1;
359 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
360 qlcnic_set_msix_bit(pdev, 0);
362 if (adapter->msix_supported) {
364 qlcnic_init_msix_entries(adapter, num_msix);
365 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
367 adapter->flags |= QLCNIC_MSIX_ENABLED;
368 qlcnic_set_msix_bit(pdev, 1);
370 adapter->max_sds_rings = num_msix;
372 dev_info(&pdev->dev, "using msi-x interrupts\n");
376 num_msix = rounddown_pow_of_two(err);
385 static void qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
387 const struct qlcnic_legacy_intr_set *legacy_intrp;
388 struct pci_dev *pdev = adapter->pdev;
390 if (use_msi && !pci_enable_msi(pdev)) {
391 adapter->flags |= QLCNIC_MSI_ENABLED;
392 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
393 msi_tgt_status[adapter->ahw->pci_func]);
394 dev_info(&pdev->dev, "using msi interrupts\n");
395 adapter->msix_entries[0].vector = pdev->irq;
399 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
401 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
402 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
403 legacy_intrp->tgt_status_reg);
404 adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter,
405 legacy_intrp->tgt_mask_reg);
406 adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR);
408 adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter,
410 dev_info(&pdev->dev, "using legacy interrupts\n");
411 adapter->msix_entries[0].vector = pdev->irq;
415 qlcnic_setup_intr(struct qlcnic_adapter *adapter)
419 if (adapter->msix_supported) {
420 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
421 QLCNIC_DEF_NUM_STS_DESC_RINGS));
425 if (!qlcnic_enable_msix(adapter, num_msix))
428 qlcnic_enable_msi_legacy(adapter);
432 qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
434 if (adapter->flags & QLCNIC_MSIX_ENABLED)
435 pci_disable_msix(adapter->pdev);
436 if (adapter->flags & QLCNIC_MSI_ENABLED)
437 pci_disable_msi(adapter->pdev);
441 qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
443 if (adapter->ahw->pci_base0 != NULL)
444 iounmap(adapter->ahw->pci_base0);
448 qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
450 struct qlcnic_pci_info *pci_info;
454 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
458 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
459 QLCNIC_MAX_PCI_FUNC, GFP_KERNEL);
460 if (!adapter->npars) {
465 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
466 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
467 if (!adapter->eswitch) {
472 ret = qlcnic_get_pci_info(adapter, pci_info);
476 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
477 pfn = pci_info[i].id;
478 if (pfn > QLCNIC_MAX_PCI_FUNC) {
479 ret = QL_STATUS_INVALID_PARAM;
482 adapter->npars[pfn].active = (u8)pci_info[i].active;
483 adapter->npars[pfn].type = (u8)pci_info[i].type;
484 adapter->npars[pfn].phy_port = (u8)pci_info[i].default_port;
485 adapter->npars[pfn].min_bw = pci_info[i].tx_min_bw;
486 adapter->npars[pfn].max_bw = pci_info[i].tx_max_bw;
489 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
490 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
496 kfree(adapter->eswitch);
497 adapter->eswitch = NULL;
499 kfree(adapter->npars);
500 adapter->npars = NULL;
508 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
513 u32 data = QLCNIC_MGMT_FUNC;
514 void __iomem *priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
516 /* If other drivers are not in use set their privilege level */
517 ref_count = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
518 ret = qlcnic_api_lock(adapter);
522 if (qlcnic_config_npars) {
523 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
525 if (adapter->npars[i].type != QLCNIC_TYPE_NIC ||
526 id == adapter->ahw->pci_func)
528 data |= (qlcnic_config_npars &
529 QLC_DEV_SET_DRV(0xf, id));
532 data = readl(priv_op);
533 data = (data & ~QLC_DEV_SET_DRV(0xf, adapter->ahw->pci_func)) |
534 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
535 adapter->ahw->pci_func));
537 writel(data, priv_op);
538 qlcnic_api_unlock(adapter);
544 qlcnic_check_vf(struct qlcnic_adapter *adapter)
546 void __iomem *msix_base_addr;
547 void __iomem *priv_op;
550 u32 op_mode, priv_level;
552 /* Determine FW API version */
553 adapter->fw_hal_version = readl(adapter->ahw->pci_base0 +
556 /* Find PCI function number */
557 pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func);
558 msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE;
559 msix_base = readl(msix_base_addr);
560 func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE;
561 adapter->ahw->pci_func = func;
563 /* Determine function privilege level */
564 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
565 op_mode = readl(priv_op);
566 if (op_mode == QLC_DEV_DRV_DEFAULT)
567 priv_level = QLCNIC_MGMT_FUNC;
569 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
571 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
572 adapter->op_mode = QLCNIC_NON_PRIV_FUNC;
573 dev_info(&adapter->pdev->dev,
574 "HAL Version: %d Non Privileged function\n",
575 adapter->fw_hal_version);
576 adapter->nic_ops = &qlcnic_vf_ops;
578 adapter->nic_ops = &qlcnic_ops;
582 qlcnic_setup_pci_map(struct qlcnic_adapter *adapter)
584 void __iomem *mem_ptr0 = NULL;
585 resource_size_t mem_base;
586 unsigned long mem_len, pci_len0 = 0;
588 struct pci_dev *pdev = adapter->pdev;
590 /* remap phys address */
591 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
592 mem_len = pci_resource_len(pdev, 0);
594 if (mem_len == QLCNIC_PCI_2MB_SIZE) {
596 mem_ptr0 = pci_ioremap_bar(pdev, 0);
597 if (mem_ptr0 == NULL) {
598 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
606 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
608 adapter->ahw->pci_base0 = mem_ptr0;
609 adapter->ahw->pci_len0 = pci_len0;
611 qlcnic_check_vf(adapter);
613 adapter->ahw->ocm_win_crb = qlcnic_get_ioaddr(adapter,
614 QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(
615 adapter->ahw->pci_func)));
620 static void get_brd_name(struct qlcnic_adapter *adapter, char *name)
622 struct pci_dev *pdev = adapter->pdev;
625 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
626 if (qlcnic_boards[i].vendor == pdev->vendor &&
627 qlcnic_boards[i].device == pdev->device &&
628 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
629 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
630 sprintf(name, "%pM: %s" ,
632 qlcnic_boards[i].short_name);
640 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
644 qlcnic_check_options(struct qlcnic_adapter *adapter)
646 u32 fw_major, fw_minor, fw_build, prev_fw_version;
647 struct pci_dev *pdev = adapter->pdev;
648 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
650 prev_fw_version = adapter->fw_version;
652 fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR);
653 fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR);
654 fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB);
656 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
658 if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC) {
659 if (fw_dump->tmpl_hdr == NULL ||
660 adapter->fw_version > prev_fw_version) {
661 if (fw_dump->tmpl_hdr)
662 vfree(fw_dump->tmpl_hdr);
663 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
665 "Supports FW dump capability\n");
669 dev_info(&pdev->dev, "firmware v%d.%d.%d\n",
670 fw_major, fw_minor, fw_build);
671 if (adapter->ahw->port_type == QLCNIC_XGBE) {
672 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
673 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
674 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
676 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
677 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
680 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
681 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
683 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
684 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
685 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
686 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
687 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
690 adapter->msix_supported = !!use_msi_x;
692 adapter->num_txd = MAX_CMD_DESCRIPTORS;
694 adapter->max_rds_rings = MAX_RDS_RINGS;
698 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
701 struct qlcnic_info nic_info;
703 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
707 adapter->physical_port = (u8)nic_info.phys_port;
708 adapter->switch_mode = nic_info.switch_mode;
709 adapter->max_tx_ques = nic_info.max_tx_ques;
710 adapter->max_rx_ques = nic_info.max_rx_ques;
711 adapter->capabilities = nic_info.capabilities;
712 adapter->max_mac_filters = nic_info.max_mac_filters;
713 adapter->max_mtu = nic_info.max_mtu;
715 if (adapter->capabilities & BIT_6)
716 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
718 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
724 qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
725 struct qlcnic_esw_func_cfg *esw_cfg)
727 if (esw_cfg->discard_tagged)
728 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
730 adapter->flags |= QLCNIC_TAGGING_ENABLED;
732 if (esw_cfg->vlan_id)
733 adapter->pvid = esw_cfg->vlan_id;
739 qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
741 struct qlcnic_adapter *adapter = netdev_priv(netdev);
742 set_bit(vid, adapter->vlans);
746 qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
748 struct qlcnic_adapter *adapter = netdev_priv(netdev);
750 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
751 clear_bit(vid, adapter->vlans);
755 qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
756 struct qlcnic_esw_func_cfg *esw_cfg)
758 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
759 QLCNIC_PROMISC_DISABLED);
761 if (esw_cfg->mac_anti_spoof)
762 adapter->flags |= QLCNIC_MACSPOOF;
764 if (!esw_cfg->mac_override)
765 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
767 if (!esw_cfg->promisc_mode)
768 adapter->flags |= QLCNIC_PROMISC_DISABLED;
770 qlcnic_set_netdev_features(adapter, esw_cfg);
774 qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
776 struct qlcnic_esw_func_cfg esw_cfg;
778 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
781 esw_cfg.pci_func = adapter->ahw->pci_func;
782 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
784 qlcnic_set_vlan_config(adapter, &esw_cfg);
785 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
791 qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
792 struct qlcnic_esw_func_cfg *esw_cfg)
794 struct net_device *netdev = adapter->netdev;
795 unsigned long features, vlan_features;
797 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
798 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
799 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
800 NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER);
802 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
803 features |= (NETIF_F_TSO | NETIF_F_TSO6);
804 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
807 if (netdev->features & NETIF_F_LRO)
808 features |= NETIF_F_LRO;
810 if (esw_cfg->offload_flags & BIT_0) {
811 netdev->features |= features;
812 if (!(esw_cfg->offload_flags & BIT_1))
813 netdev->features &= ~NETIF_F_TSO;
814 if (!(esw_cfg->offload_flags & BIT_2))
815 netdev->features &= ~NETIF_F_TSO6;
817 netdev->features &= ~features;
820 netdev->vlan_features = (features & vlan_features);
824 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
826 void __iomem *priv_op;
827 u32 op_mode, priv_level;
830 err = qlcnic_initialize_nic(adapter);
834 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
837 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
838 op_mode = readl(priv_op);
839 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
841 if (op_mode == QLC_DEV_DRV_DEFAULT)
842 priv_level = QLCNIC_MGMT_FUNC;
844 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
846 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
847 if (priv_level == QLCNIC_MGMT_FUNC) {
848 adapter->op_mode = QLCNIC_MGMT_FUNC;
849 err = qlcnic_init_pci_info(adapter);
852 /* Set privilege level for other functions */
853 qlcnic_set_function_modes(adapter);
854 dev_info(&adapter->pdev->dev,
855 "HAL Version: %d, Management function\n",
856 adapter->fw_hal_version);
857 } else if (priv_level == QLCNIC_PRIV_FUNC) {
858 adapter->op_mode = QLCNIC_PRIV_FUNC;
859 dev_info(&adapter->pdev->dev,
860 "HAL Version: %d, Privileged function\n",
861 adapter->fw_hal_version);
865 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
871 qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
873 struct qlcnic_esw_func_cfg esw_cfg;
874 struct qlcnic_npar_info *npar;
877 if (adapter->need_fw_reset)
880 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
881 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
883 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
884 esw_cfg.pci_func = i;
885 esw_cfg.offload_flags = BIT_0;
886 esw_cfg.mac_override = BIT_0;
887 esw_cfg.promisc_mode = BIT_0;
888 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
889 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
890 if (qlcnic_config_switch_port(adapter, &esw_cfg))
892 npar = &adapter->npars[i];
893 npar->pvid = esw_cfg.vlan_id;
894 npar->mac_override = esw_cfg.mac_override;
895 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
896 npar->discard_tagged = esw_cfg.discard_tagged;
897 npar->promisc_mode = esw_cfg.promisc_mode;
898 npar->offload_flags = esw_cfg.offload_flags;
905 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
906 struct qlcnic_npar_info *npar, int pci_func)
908 struct qlcnic_esw_func_cfg esw_cfg;
909 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
910 esw_cfg.pci_func = pci_func;
911 esw_cfg.vlan_id = npar->pvid;
912 esw_cfg.mac_override = npar->mac_override;
913 esw_cfg.discard_tagged = npar->discard_tagged;
914 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
915 esw_cfg.offload_flags = npar->offload_flags;
916 esw_cfg.promisc_mode = npar->promisc_mode;
917 if (qlcnic_config_switch_port(adapter, &esw_cfg))
920 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
921 if (qlcnic_config_switch_port(adapter, &esw_cfg))
928 qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
931 struct qlcnic_npar_info *npar;
932 struct qlcnic_info nic_info;
934 if (!adapter->need_fw_reset)
937 /* Set the NPAR config data after FW reset */
938 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
939 npar = &adapter->npars[i];
940 if (npar->type != QLCNIC_TYPE_NIC)
942 err = qlcnic_get_nic_info(adapter, &nic_info, i);
945 nic_info.min_tx_bw = npar->min_bw;
946 nic_info.max_tx_bw = npar->max_bw;
947 err = qlcnic_set_nic_info(adapter, &nic_info);
951 if (npar->enable_pm) {
952 err = qlcnic_config_port_mirroring(adapter,
953 npar->dest_npar, 1, i);
957 err = qlcnic_reset_eswitch_config(adapter, npar, i);
964 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
966 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
969 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
972 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
973 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
975 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
977 if (!npar_opt_timeo) {
978 dev_err(&adapter->pdev->dev,
979 "Waiting for NPAR state to opertional timeout\n");
986 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
990 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
991 adapter->op_mode != QLCNIC_MGMT_FUNC)
994 err = qlcnic_set_default_offload_settings(adapter);
998 err = qlcnic_reset_npar_config(adapter);
1002 qlcnic_dev_set_npar_ready(adapter);
1008 qlcnic_start_firmware(struct qlcnic_adapter *adapter)
1012 err = qlcnic_can_start_firmware(adapter);
1016 goto check_fw_status;
1019 qlcnic_request_firmware(adapter);
1021 err = qlcnic_check_flash_fw_ver(adapter);
1025 adapter->fw_type = QLCNIC_FLASH_ROMIMAGE;
1028 err = qlcnic_need_fw_reset(adapter);
1030 goto check_fw_status;
1032 err = qlcnic_pinit_from_rom(adapter);
1036 err = qlcnic_load_firmware(adapter);
1040 qlcnic_release_firmware(adapter);
1041 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1044 err = qlcnic_check_fw_status(adapter);
1048 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1049 qlcnic_idc_debug_info(adapter, 1);
1051 err = qlcnic_check_eswitch_mode(adapter);
1053 dev_err(&adapter->pdev->dev,
1054 "Memory allocation failed for eswitch\n");
1057 err = qlcnic_set_mgmt_operations(adapter);
1061 qlcnic_check_options(adapter);
1062 adapter->need_fw_reset = 0;
1064 qlcnic_release_firmware(adapter);
1068 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1069 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1071 qlcnic_release_firmware(adapter);
1076 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1078 irq_handler_t handler;
1079 struct qlcnic_host_sds_ring *sds_ring;
1082 unsigned long flags = 0;
1083 struct net_device *netdev = adapter->netdev;
1084 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1086 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1087 handler = qlcnic_tmp_intr;
1088 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1089 flags |= IRQF_SHARED;
1092 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1093 handler = qlcnic_msix_intr;
1094 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1095 handler = qlcnic_msi_intr;
1097 flags |= IRQF_SHARED;
1098 handler = qlcnic_intr;
1101 adapter->irq = netdev->irq;
1103 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1104 sds_ring = &recv_ctx->sds_rings[ring];
1105 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1106 err = request_irq(sds_ring->irq, handler,
1107 flags, sds_ring->name, sds_ring);
1116 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1119 struct qlcnic_host_sds_ring *sds_ring;
1121 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1123 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1124 sds_ring = &recv_ctx->sds_rings[ring];
1125 free_irq(sds_ring->irq, sds_ring);
1130 __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1133 struct qlcnic_host_rds_ring *rds_ring;
1135 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1138 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1140 if (qlcnic_set_eswitch_port_config(adapter))
1143 if (qlcnic_fw_create_ctx(adapter))
1146 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1147 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1148 qlcnic_post_rx_buffers(adapter, rds_ring);
1151 qlcnic_set_multi(netdev);
1152 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1154 adapter->ahw->linkup = 0;
1156 if (adapter->max_sds_rings > 1)
1157 qlcnic_config_rss(adapter, 1);
1159 qlcnic_config_intr_coalesce(adapter);
1161 if (netdev->features & NETIF_F_LRO)
1162 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1164 qlcnic_napi_enable(adapter);
1166 qlcnic_linkevent_request(adapter, 1);
1168 adapter->reset_context = 0;
1169 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1173 /* Usage: During resume and firmware recovery module.*/
1176 qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1181 if (netif_running(netdev))
1182 err = __qlcnic_up(adapter, netdev);
1189 __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1191 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1194 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1198 spin_lock(&adapter->tx_clean_lock);
1199 netif_carrier_off(netdev);
1200 netif_tx_disable(netdev);
1202 qlcnic_free_mac_list(adapter);
1204 if (adapter->fhash.fnum)
1205 qlcnic_delete_lb_filters(adapter);
1207 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1209 qlcnic_napi_disable(adapter);
1211 qlcnic_fw_destroy_ctx(adapter);
1213 qlcnic_reset_rx_buffers_list(adapter);
1214 qlcnic_release_tx_buffers(adapter);
1215 spin_unlock(&adapter->tx_clean_lock);
1218 /* Usage: During suspend and firmware recovery module */
1221 qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1224 if (netif_running(netdev))
1225 __qlcnic_down(adapter, netdev);
1231 qlcnic_attach(struct qlcnic_adapter *adapter)
1233 struct net_device *netdev = adapter->netdev;
1234 struct pci_dev *pdev = adapter->pdev;
1237 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1240 err = qlcnic_napi_add(adapter, netdev);
1244 err = qlcnic_alloc_sw_resources(adapter);
1246 dev_err(&pdev->dev, "Error in setting sw resources\n");
1247 goto err_out_napi_del;
1250 err = qlcnic_alloc_hw_resources(adapter);
1252 dev_err(&pdev->dev, "Error in setting hw resources\n");
1253 goto err_out_free_sw;
1256 err = qlcnic_request_irq(adapter);
1258 dev_err(&pdev->dev, "failed to setup interrupt\n");
1259 goto err_out_free_hw;
1262 qlcnic_create_sysfs_entries(adapter);
1264 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1268 qlcnic_free_hw_resources(adapter);
1270 qlcnic_free_sw_resources(adapter);
1272 qlcnic_napi_del(adapter);
1277 qlcnic_detach(struct qlcnic_adapter *adapter)
1279 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1282 qlcnic_remove_sysfs_entries(adapter);
1284 qlcnic_free_hw_resources(adapter);
1285 qlcnic_release_rx_buffers(adapter);
1286 qlcnic_free_irq(adapter);
1287 qlcnic_napi_del(adapter);
1288 qlcnic_free_sw_resources(adapter);
1293 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1295 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1296 struct qlcnic_host_sds_ring *sds_ring;
1299 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1300 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1301 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1302 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1303 qlcnic_disable_int(sds_ring);
1307 qlcnic_fw_destroy_ctx(adapter);
1309 qlcnic_detach(adapter);
1311 adapter->diag_test = 0;
1312 adapter->max_sds_rings = max_sds_rings;
1314 if (qlcnic_attach(adapter))
1317 if (netif_running(netdev))
1318 __qlcnic_up(adapter, netdev);
1320 netif_device_attach(netdev);
1323 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1326 adapter->ahw = kzalloc(sizeof(struct qlcnic_hardware_context),
1328 if (!adapter->ahw) {
1329 dev_err(&adapter->pdev->dev,
1330 "Failed to allocate recv ctx resources for adapter\n");
1334 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1336 if (!adapter->recv_ctx) {
1337 dev_err(&adapter->pdev->dev,
1338 "Failed to allocate recv ctx resources for adapter\n");
1339 kfree(adapter->ahw);
1340 adapter->ahw = NULL;
1344 /* Initialize interrupt coalesce parameters */
1345 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1346 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1347 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
1352 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1354 kfree(adapter->recv_ctx);
1355 adapter->recv_ctx = NULL;
1357 if (adapter->ahw->fw_dump.tmpl_hdr) {
1358 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1359 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1361 kfree(adapter->ahw);
1362 adapter->ahw = NULL;
1365 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1367 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1368 struct qlcnic_host_sds_ring *sds_ring;
1369 struct qlcnic_host_rds_ring *rds_ring;
1373 netif_device_detach(netdev);
1375 if (netif_running(netdev))
1376 __qlcnic_down(adapter, netdev);
1378 qlcnic_detach(adapter);
1380 adapter->max_sds_rings = 1;
1381 adapter->diag_test = test;
1383 ret = qlcnic_attach(adapter);
1385 netif_device_attach(netdev);
1389 ret = qlcnic_fw_create_ctx(adapter);
1391 qlcnic_detach(adapter);
1392 netif_device_attach(netdev);
1396 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1397 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1398 qlcnic_post_rx_buffers(adapter, rds_ring);
1401 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1402 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1403 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1404 qlcnic_enable_int(sds_ring);
1408 if (adapter->diag_test == QLCNIC_LOOPBACK_TEST) {
1409 adapter->ahw->loopback_state = 0;
1410 qlcnic_linkevent_request(adapter, 1);
1413 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1418 /* Reset context in hardware only */
1420 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1422 struct net_device *netdev = adapter->netdev;
1424 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1427 netif_device_detach(netdev);
1429 qlcnic_down(adapter, netdev);
1431 qlcnic_up(adapter, netdev);
1433 netif_device_attach(netdev);
1435 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1440 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1443 struct net_device *netdev = adapter->netdev;
1445 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1448 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1450 netif_device_detach(netdev);
1452 if (netif_running(netdev))
1453 __qlcnic_down(adapter, netdev);
1455 qlcnic_detach(adapter);
1457 if (netif_running(netdev)) {
1458 err = qlcnic_attach(adapter);
1460 __qlcnic_up(adapter, netdev);
1463 netif_device_attach(netdev);
1466 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1471 qlcnic_setup_netdev(struct qlcnic_adapter *adapter,
1472 struct net_device *netdev, u8 pci_using_dac)
1475 struct pci_dev *pdev = adapter->pdev;
1477 adapter->mc_enabled = 0;
1478 adapter->max_mc_count = 38;
1480 netdev->netdev_ops = &qlcnic_netdev_ops;
1481 netdev->watchdog_timeo = 5*HZ;
1483 qlcnic_change_mtu(netdev, netdev->mtu);
1485 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1487 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
1488 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
1490 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1491 netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
1493 netdev->hw_features |= NETIF_F_HIGHDMA;
1495 netdev->vlan_features = netdev->hw_features;
1497 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
1498 netdev->hw_features |= NETIF_F_HW_VLAN_TX;
1499 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1500 netdev->hw_features |= NETIF_F_LRO;
1502 netdev->features |= netdev->hw_features |
1503 NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
1505 netdev->irq = adapter->msix_entries[0].vector;
1507 err = register_netdev(netdev);
1509 dev_err(&pdev->dev, "failed to register net device\n");
1516 static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac)
1518 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1519 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1521 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1522 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1525 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1533 qlcnic_alloc_msix_entries(struct qlcnic_adapter *adapter, u16 count)
1535 adapter->msix_entries = kcalloc(count, sizeof(struct msix_entry),
1538 if (adapter->msix_entries)
1541 dev_err(&adapter->pdev->dev, "failed allocating msix_entries\n");
1545 static int __devinit
1546 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1548 struct net_device *netdev = NULL;
1549 struct qlcnic_adapter *adapter = NULL;
1551 uint8_t revision_id;
1552 uint8_t pci_using_dac;
1553 char brd_name[QLCNIC_MAX_BOARD_NAME_LEN];
1555 err = pci_enable_device(pdev);
1559 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1561 goto err_out_disable_pdev;
1564 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1566 goto err_out_disable_pdev;
1568 err = pci_request_regions(pdev, qlcnic_driver_name);
1570 goto err_out_disable_pdev;
1572 pci_set_master(pdev);
1573 pci_enable_pcie_error_reporting(pdev);
1575 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1577 dev_err(&pdev->dev, "failed to allocate net_device\n");
1579 goto err_out_free_res;
1582 SET_NETDEV_DEV(netdev, &pdev->dev);
1584 adapter = netdev_priv(netdev);
1585 adapter->netdev = netdev;
1586 adapter->pdev = pdev;
1588 if (qlcnic_alloc_adapter_resources(adapter))
1589 goto err_out_free_netdev;
1591 adapter->dev_rst_time = jiffies;
1592 revision_id = pdev->revision;
1593 adapter->ahw->revision_id = revision_id;
1594 adapter->mac_learn = qlcnic_mac_learn;
1596 rwlock_init(&adapter->ahw->crb_lock);
1597 mutex_init(&adapter->ahw->mem_lock);
1599 spin_lock_init(&adapter->tx_clean_lock);
1600 INIT_LIST_HEAD(&adapter->mac_list);
1602 err = qlcnic_setup_pci_map(adapter);
1604 goto err_out_free_hw;
1606 /* This will be reset for mezz cards */
1607 adapter->portnum = adapter->ahw->pci_func;
1609 err = qlcnic_get_board_info(adapter);
1611 dev_err(&pdev->dev, "Error getting board config info.\n");
1612 goto err_out_iounmap;
1615 err = qlcnic_setup_idc_param(adapter);
1617 goto err_out_iounmap;
1619 adapter->flags |= QLCNIC_NEED_FLR;
1621 err = adapter->nic_ops->start_firmware(adapter);
1623 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1624 goto err_out_decr_ref;
1627 if (qlcnic_read_mac_addr(adapter))
1628 dev_warn(&pdev->dev, "failed to read mac addr\n");
1630 if (adapter->portnum == 0) {
1631 get_brd_name(adapter, brd_name);
1633 pr_info("%s: %s Board Chip rev 0x%x\n",
1634 module_name(THIS_MODULE),
1635 brd_name, adapter->ahw->revision_id);
1638 qlcnic_clear_stats(adapter);
1640 err = qlcnic_alloc_msix_entries(adapter, adapter->max_rx_ques);
1642 goto err_out_decr_ref;
1644 qlcnic_setup_intr(adapter);
1646 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
1648 goto err_out_disable_msi;
1650 pci_set_drvdata(pdev, adapter);
1652 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1654 switch (adapter->ahw->port_type) {
1656 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1657 adapter->netdev->name);
1660 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1661 adapter->netdev->name);
1665 if (adapter->mac_learn)
1666 qlcnic_alloc_lb_filters_mem(adapter);
1668 qlcnic_create_diag_entries(adapter);
1672 err_out_disable_msi:
1673 qlcnic_teardown_intr(adapter);
1674 kfree(adapter->msix_entries);
1677 qlcnic_clr_all_drv_state(adapter, 0);
1680 qlcnic_cleanup_pci_map(adapter);
1683 qlcnic_free_adapter_resources(adapter);
1685 err_out_free_netdev:
1686 free_netdev(netdev);
1689 pci_release_regions(pdev);
1691 err_out_disable_pdev:
1692 pci_set_drvdata(pdev, NULL);
1693 pci_disable_device(pdev);
1697 static void __devexit qlcnic_remove(struct pci_dev *pdev)
1699 struct qlcnic_adapter *adapter;
1700 struct net_device *netdev;
1702 adapter = pci_get_drvdata(pdev);
1703 if (adapter == NULL)
1706 netdev = adapter->netdev;
1708 qlcnic_cancel_fw_work(adapter);
1710 unregister_netdev(netdev);
1712 qlcnic_detach(adapter);
1714 if (adapter->npars != NULL)
1715 kfree(adapter->npars);
1716 if (adapter->eswitch != NULL)
1717 kfree(adapter->eswitch);
1719 qlcnic_clr_all_drv_state(adapter, 0);
1721 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1723 qlcnic_free_lb_filters_mem(adapter);
1725 qlcnic_teardown_intr(adapter);
1726 kfree(adapter->msix_entries);
1728 qlcnic_remove_diag_entries(adapter);
1730 qlcnic_cleanup_pci_map(adapter);
1732 qlcnic_release_firmware(adapter);
1734 pci_disable_pcie_error_reporting(pdev);
1735 pci_release_regions(pdev);
1736 pci_disable_device(pdev);
1737 pci_set_drvdata(pdev, NULL);
1739 qlcnic_free_adapter_resources(adapter);
1740 free_netdev(netdev);
1742 static int __qlcnic_shutdown(struct pci_dev *pdev)
1744 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1745 struct net_device *netdev = adapter->netdev;
1748 netif_device_detach(netdev);
1750 qlcnic_cancel_fw_work(adapter);
1752 if (netif_running(netdev))
1753 qlcnic_down(adapter, netdev);
1755 qlcnic_clr_all_drv_state(adapter, 0);
1757 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1759 retval = pci_save_state(pdev);
1763 if (qlcnic_wol_supported(adapter)) {
1764 pci_enable_wake(pdev, PCI_D3cold, 1);
1765 pci_enable_wake(pdev, PCI_D3hot, 1);
1771 static void qlcnic_shutdown(struct pci_dev *pdev)
1773 if (__qlcnic_shutdown(pdev))
1776 pci_disable_device(pdev);
1781 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
1785 retval = __qlcnic_shutdown(pdev);
1789 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1794 qlcnic_resume(struct pci_dev *pdev)
1796 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1797 struct net_device *netdev = adapter->netdev;
1800 err = pci_enable_device(pdev);
1804 pci_set_power_state(pdev, PCI_D0);
1805 pci_set_master(pdev);
1806 pci_restore_state(pdev);
1808 err = adapter->nic_ops->start_firmware(adapter);
1810 dev_err(&pdev->dev, "failed to start firmware\n");
1814 if (netif_running(netdev)) {
1815 err = qlcnic_up(adapter, netdev);
1819 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1822 netif_device_attach(netdev);
1823 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1828 static int qlcnic_open(struct net_device *netdev)
1830 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1833 netif_carrier_off(netdev);
1835 err = qlcnic_attach(adapter);
1839 err = __qlcnic_up(adapter, netdev);
1843 netif_start_queue(netdev);
1848 qlcnic_detach(adapter);
1853 * qlcnic_close - Disables a network interface entry point
1855 static int qlcnic_close(struct net_device *netdev)
1857 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1859 __qlcnic_down(adapter, netdev);
1863 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
1868 if (adapter->fhash.fmax && adapter->fhash.fhead)
1871 spin_lock_init(&adapter->mac_learn_lock);
1873 head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head),
1878 adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS;
1879 adapter->fhash.fhead = head;
1881 for (i = 0; i < adapter->fhash.fmax; i++)
1882 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
1885 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
1887 if (adapter->fhash.fmax && adapter->fhash.fhead)
1888 kfree(adapter->fhash.fhead);
1890 adapter->fhash.fhead = NULL;
1891 adapter->fhash.fmax = 0;
1894 static void qlcnic_change_filter(struct qlcnic_adapter *adapter,
1895 u64 uaddr, __le16 vlan_id, struct qlcnic_host_tx_ring *tx_ring)
1897 struct cmd_desc_type0 *hwdesc;
1898 struct qlcnic_nic_req *req;
1899 struct qlcnic_mac_req *mac_req;
1900 struct qlcnic_vlan_req *vlan_req;
1904 producer = tx_ring->producer;
1905 hwdesc = &tx_ring->desc_head[tx_ring->producer];
1907 req = (struct qlcnic_nic_req *)hwdesc;
1908 memset(req, 0, sizeof(struct qlcnic_nic_req));
1909 req->qhdr = cpu_to_le64(QLCNIC_REQUEST << 23);
1911 word = QLCNIC_MAC_EVENT | ((u64)(adapter->portnum) << 16);
1912 req->req_hdr = cpu_to_le64(word);
1914 mac_req = (struct qlcnic_mac_req *)&(req->words[0]);
1915 mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD;
1916 memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN);
1918 vlan_req = (struct qlcnic_vlan_req *)&req->words[1];
1919 vlan_req->vlan_id = vlan_id;
1921 tx_ring->producer = get_next_index(producer, tx_ring->num_desc);
1925 #define QLCNIC_MAC_HASH(MAC)\
1926 ((((MAC) & 0x70000) >> 0x10) | (((MAC) & 0x70000000000ULL) >> 0x25))
1929 qlcnic_send_filter(struct qlcnic_adapter *adapter,
1930 struct qlcnic_host_tx_ring *tx_ring,
1931 struct cmd_desc_type0 *first_desc,
1932 struct sk_buff *skb)
1934 struct ethhdr *phdr = (struct ethhdr *)(skb->data);
1935 struct qlcnic_filter *fil, *tmp_fil;
1936 struct hlist_node *tmp_hnode, *n;
1937 struct hlist_head *head;
1942 if (!compare_ether_addr(phdr->h_source, adapter->mac_addr))
1945 if (adapter->fhash.fnum >= adapter->fhash.fmax)
1948 /* Only NPAR capable devices support vlan based learning*/
1949 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
1950 vlan_id = first_desc->vlan_TCI;
1951 memcpy(&src_addr, phdr->h_source, ETH_ALEN);
1952 hindex = QLCNIC_MAC_HASH(src_addr) & (QLCNIC_LB_MAX_FILTERS - 1);
1953 head = &(adapter->fhash.fhead[hindex]);
1955 hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) {
1956 if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) &&
1957 tmp_fil->vlan_id == vlan_id) {
1960 (QLCNIC_READD_AGE * HZ + tmp_fil->ftime))
1961 qlcnic_change_filter(adapter, src_addr, vlan_id,
1963 tmp_fil->ftime = jiffies;
1968 fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC);
1972 qlcnic_change_filter(adapter, src_addr, vlan_id, tx_ring);
1974 fil->ftime = jiffies;
1975 fil->vlan_id = vlan_id;
1976 memcpy(fil->faddr, &src_addr, ETH_ALEN);
1977 spin_lock(&adapter->mac_learn_lock);
1978 hlist_add_head(&(fil->fnode), head);
1979 adapter->fhash.fnum++;
1980 spin_unlock(&adapter->mac_learn_lock);
1984 qlcnic_tx_pkt(struct qlcnic_adapter *adapter,
1985 struct cmd_desc_type0 *first_desc,
1986 struct sk_buff *skb)
1988 u8 opcode = 0, hdr_len = 0;
1989 u16 flags = 0, vlan_tci = 0;
1990 int copied, offset, copy_len;
1991 struct cmd_desc_type0 *hwdesc;
1992 struct vlan_ethhdr *vh;
1993 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
1994 u16 protocol = ntohs(skb->protocol);
1995 u32 producer = tx_ring->producer;
1997 if (protocol == ETH_P_8021Q) {
1998 vh = (struct vlan_ethhdr *)skb->data;
1999 flags = FLAGS_VLAN_TAGGED;
2000 vlan_tci = vh->h_vlan_TCI;
2001 } else if (vlan_tx_tag_present(skb)) {
2002 flags = FLAGS_VLAN_OOB;
2003 vlan_tci = vlan_tx_tag_get(skb);
2005 if (unlikely(adapter->pvid)) {
2006 if (vlan_tci && !(adapter->flags & QLCNIC_TAGGING_ENABLED))
2008 if (vlan_tci && (adapter->flags & QLCNIC_TAGGING_ENABLED))
2011 flags = FLAGS_VLAN_OOB;
2012 vlan_tci = adapter->pvid;
2015 qlcnic_set_tx_vlan_tci(first_desc, vlan_tci);
2016 qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
2018 if (*(skb->data) & BIT_0) {
2020 memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN);
2022 opcode = TX_ETHER_PKT;
2023 if ((adapter->netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
2024 skb_shinfo(skb)->gso_size > 0) {
2026 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
2028 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
2029 first_desc->total_hdr_length = hdr_len;
2031 opcode = (protocol == ETH_P_IPV6) ? TX_TCP_LSO6 : TX_TCP_LSO;
2033 /* For LSO, we need to copy the MAC/IP/TCP headers into
2034 * the descriptor ring */
2038 if (flags & FLAGS_VLAN_OOB) {
2039 first_desc->total_hdr_length += VLAN_HLEN;
2040 first_desc->tcp_hdr_offset = VLAN_HLEN;
2041 first_desc->ip_hdr_offset = VLAN_HLEN;
2042 /* Only in case of TSO on vlan device */
2043 flags |= FLAGS_VLAN_TAGGED;
2045 /* Create a TSO vlan header template for firmware */
2047 hwdesc = &tx_ring->desc_head[producer];
2048 tx_ring->cmd_buf_arr[producer].skb = NULL;
2050 copy_len = min((int)sizeof(struct cmd_desc_type0) -
2051 offset, hdr_len + VLAN_HLEN);
2053 vh = (struct vlan_ethhdr *)((char *) hwdesc + 2);
2054 skb_copy_from_linear_data(skb, vh, 12);
2055 vh->h_vlan_proto = htons(ETH_P_8021Q);
2056 vh->h_vlan_TCI = htons(vlan_tci);
2058 skb_copy_from_linear_data_offset(skb, 12,
2059 (char *)vh + 16, copy_len - 16);
2061 copied = copy_len - VLAN_HLEN;
2064 producer = get_next_index(producer, tx_ring->num_desc);
2067 while (copied < hdr_len) {
2069 copy_len = min((int)sizeof(struct cmd_desc_type0) -
2070 offset, (hdr_len - copied));
2072 hwdesc = &tx_ring->desc_head[producer];
2073 tx_ring->cmd_buf_arr[producer].skb = NULL;
2075 skb_copy_from_linear_data_offset(skb, copied,
2076 (char *) hwdesc + offset, copy_len);
2081 producer = get_next_index(producer, tx_ring->num_desc);
2084 tx_ring->producer = producer;
2086 adapter->stats.lso_frames++;
2088 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
2091 if (protocol == ETH_P_IP) {
2092 l4proto = ip_hdr(skb)->protocol;
2094 if (l4proto == IPPROTO_TCP)
2095 opcode = TX_TCP_PKT;
2096 else if (l4proto == IPPROTO_UDP)
2097 opcode = TX_UDP_PKT;
2098 } else if (protocol == ETH_P_IPV6) {
2099 l4proto = ipv6_hdr(skb)->nexthdr;
2101 if (l4proto == IPPROTO_TCP)
2102 opcode = TX_TCPV6_PKT;
2103 else if (l4proto == IPPROTO_UDP)
2104 opcode = TX_UDPV6_PKT;
2107 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
2108 first_desc->ip_hdr_offset += skb_network_offset(skb);
2109 qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
2115 qlcnic_map_tx_skb(struct pci_dev *pdev,
2116 struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf)
2118 struct qlcnic_skb_frag *nf;
2119 struct skb_frag_struct *frag;
2123 nr_frags = skb_shinfo(skb)->nr_frags;
2124 nf = &pbuf->frag_array[0];
2126 map = pci_map_single(pdev, skb->data,
2127 skb_headlen(skb), PCI_DMA_TODEVICE);
2128 if (pci_dma_mapping_error(pdev, map))
2132 nf->length = skb_headlen(skb);
2134 for (i = 0; i < nr_frags; i++) {
2135 frag = &skb_shinfo(skb)->frags[i];
2136 nf = &pbuf->frag_array[i+1];
2138 map = pci_map_page(pdev, frag->page, frag->page_offset,
2139 frag->size, PCI_DMA_TODEVICE);
2140 if (pci_dma_mapping_error(pdev, map))
2144 nf->length = frag->size;
2151 nf = &pbuf->frag_array[i+1];
2152 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2155 nf = &pbuf->frag_array[0];
2156 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2163 qlcnic_unmap_buffers(struct pci_dev *pdev, struct sk_buff *skb,
2164 struct qlcnic_cmd_buffer *pbuf)
2166 struct qlcnic_skb_frag *nf = &pbuf->frag_array[0];
2167 int nr_frags = skb_shinfo(skb)->nr_frags;
2170 for (i = 0; i < nr_frags; i++) {
2171 nf = &pbuf->frag_array[i+1];
2172 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2175 nf = &pbuf->frag_array[0];
2176 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2181 qlcnic_clear_cmddesc(u64 *desc)
2189 qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2191 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2192 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2193 struct qlcnic_cmd_buffer *pbuf;
2194 struct qlcnic_skb_frag *buffrag;
2195 struct cmd_desc_type0 *hwdesc, *first_desc;
2196 struct pci_dev *pdev;
2197 struct ethhdr *phdr;
2203 u32 num_txd = tx_ring->num_desc;
2205 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
2206 netif_stop_queue(netdev);
2207 return NETDEV_TX_BUSY;
2210 if (adapter->flags & QLCNIC_MACSPOOF) {
2211 phdr = (struct ethhdr *)skb->data;
2212 if (compare_ether_addr(phdr->h_source,
2217 frag_count = skb_shinfo(skb)->nr_frags + 1;
2218 /* 14 frags supported for normal packet and
2219 * 32 frags supported for TSO packet
2221 if (!skb_is_gso(skb) && frag_count > QLCNIC_MAX_FRAGS_PER_TX) {
2223 for (i = 0; i < (frag_count - QLCNIC_MAX_FRAGS_PER_TX); i++)
2224 delta += skb_shinfo(skb)->frags[i].size;
2226 if (!__pskb_pull_tail(skb, delta))
2229 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2232 if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
2233 netif_stop_queue(netdev);
2234 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH)
2235 netif_start_queue(netdev);
2237 adapter->stats.xmit_off++;
2238 return NETDEV_TX_BUSY;
2242 producer = tx_ring->producer;
2243 pbuf = &tx_ring->cmd_buf_arr[producer];
2245 pdev = adapter->pdev;
2247 first_desc = hwdesc = &tx_ring->desc_head[producer];
2248 qlcnic_clear_cmddesc((u64 *)hwdesc);
2250 if (qlcnic_map_tx_skb(pdev, skb, pbuf)) {
2251 adapter->stats.tx_dma_map_error++;
2256 pbuf->frag_count = frag_count;
2258 qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len);
2259 qlcnic_set_tx_port(first_desc, adapter->portnum);
2261 for (i = 0; i < frag_count; i++) {
2265 if ((k == 0) && (i > 0)) {
2266 /* move to next desc.*/
2267 producer = get_next_index(producer, num_txd);
2268 hwdesc = &tx_ring->desc_head[producer];
2269 qlcnic_clear_cmddesc((u64 *)hwdesc);
2270 tx_ring->cmd_buf_arr[producer].skb = NULL;
2273 buffrag = &pbuf->frag_array[i];
2275 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2278 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2281 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2284 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2287 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2292 tx_ring->producer = get_next_index(producer, num_txd);
2295 if (unlikely(qlcnic_tx_pkt(adapter, first_desc, skb)))
2298 if (adapter->mac_learn)
2299 qlcnic_send_filter(adapter, tx_ring, first_desc, skb);
2301 adapter->stats.txbytes += skb->len;
2302 adapter->stats.xmitcalled++;
2304 qlcnic_update_cmd_producer(adapter, tx_ring);
2306 return NETDEV_TX_OK;
2309 qlcnic_unmap_buffers(pdev, skb, pbuf);
2311 adapter->stats.txdropped++;
2312 dev_kfree_skb_any(skb);
2313 return NETDEV_TX_OK;
2316 static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2318 struct net_device *netdev = adapter->netdev;
2319 u32 temp, temp_state, temp_val;
2322 temp = QLCRD32(adapter, CRB_TEMP_STATE);
2324 temp_state = qlcnic_get_temp_state(temp);
2325 temp_val = qlcnic_get_temp_val(temp);
2327 if (temp_state == QLCNIC_TEMP_PANIC) {
2328 dev_err(&netdev->dev,
2329 "Device temperature %d degrees C exceeds"
2330 " maximum allowed. Hardware has been shut down.\n",
2333 } else if (temp_state == QLCNIC_TEMP_WARN) {
2334 if (adapter->temp == QLCNIC_TEMP_NORMAL) {
2335 dev_err(&netdev->dev,
2336 "Device temperature %d degrees C "
2337 "exceeds operating range."
2338 " Immediate action needed.\n",
2342 if (adapter->temp == QLCNIC_TEMP_WARN) {
2343 dev_info(&netdev->dev,
2344 "Device temperature is now %d degrees C"
2345 " in normal range.\n", temp_val);
2348 adapter->temp = temp_state;
2352 void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup)
2354 struct net_device *netdev = adapter->netdev;
2356 if (adapter->ahw->linkup && !linkup) {
2357 netdev_info(netdev, "NIC Link is down\n");
2358 adapter->ahw->linkup = 0;
2359 if (netif_running(netdev)) {
2360 netif_carrier_off(netdev);
2361 netif_stop_queue(netdev);
2363 } else if (!adapter->ahw->linkup && linkup) {
2364 netdev_info(netdev, "NIC Link is up\n");
2365 adapter->ahw->linkup = 1;
2366 if (netif_running(netdev)) {
2367 netif_carrier_on(netdev);
2368 netif_wake_queue(netdev);
2373 static void qlcnic_tx_timeout(struct net_device *netdev)
2375 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2377 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2380 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2382 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
2383 adapter->need_fw_reset = 1;
2385 adapter->reset_context = 1;
2388 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2390 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2391 struct net_device_stats *stats = &netdev->stats;
2393 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2394 stats->tx_packets = adapter->stats.xmitfinished;
2395 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2396 stats->tx_bytes = adapter->stats.txbytes;
2397 stats->rx_dropped = adapter->stats.rxdropped;
2398 stats->tx_dropped = adapter->stats.txdropped;
2403 static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
2407 status = readl(adapter->isr_int_vec);
2409 if (!(status & adapter->int_vec_bit))
2412 /* check interrupt state machine, to be sure */
2413 status = readl(adapter->crb_int_state_reg);
2414 if (!ISR_LEGACY_INT_TRIGGERED(status))
2417 writel(0xffffffff, adapter->tgt_status_reg);
2418 /* read twice to ensure write is flushed */
2419 readl(adapter->isr_int_vec);
2420 readl(adapter->isr_int_vec);
2425 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2427 struct qlcnic_host_sds_ring *sds_ring = data;
2428 struct qlcnic_adapter *adapter = sds_ring->adapter;
2430 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2432 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2433 writel(0xffffffff, adapter->tgt_status_reg);
2437 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2441 adapter->diag_cnt++;
2442 qlcnic_enable_int(sds_ring);
2446 static irqreturn_t qlcnic_intr(int irq, void *data)
2448 struct qlcnic_host_sds_ring *sds_ring = data;
2449 struct qlcnic_adapter *adapter = sds_ring->adapter;
2451 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2454 napi_schedule(&sds_ring->napi);
2459 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2461 struct qlcnic_host_sds_ring *sds_ring = data;
2462 struct qlcnic_adapter *adapter = sds_ring->adapter;
2464 /* clear interrupt */
2465 writel(0xffffffff, adapter->tgt_status_reg);
2467 napi_schedule(&sds_ring->napi);
2471 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2473 struct qlcnic_host_sds_ring *sds_ring = data;
2475 napi_schedule(&sds_ring->napi);
2479 static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter)
2481 u32 sw_consumer, hw_consumer;
2483 struct qlcnic_cmd_buffer *buffer;
2484 struct pci_dev *pdev = adapter->pdev;
2485 struct net_device *netdev = adapter->netdev;
2486 struct qlcnic_skb_frag *frag;
2488 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2490 if (!spin_trylock(&adapter->tx_clean_lock))
2493 sw_consumer = tx_ring->sw_consumer;
2494 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2496 while (sw_consumer != hw_consumer) {
2497 buffer = &tx_ring->cmd_buf_arr[sw_consumer];
2499 frag = &buffer->frag_array[0];
2500 pci_unmap_single(pdev, frag->dma, frag->length,
2503 for (i = 1; i < buffer->frag_count; i++) {
2505 pci_unmap_page(pdev, frag->dma, frag->length,
2510 adapter->stats.xmitfinished++;
2511 dev_kfree_skb_any(buffer->skb);
2515 sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc);
2516 if (++count >= MAX_STATUS_HANDLE)
2520 if (count && netif_running(netdev)) {
2521 tx_ring->sw_consumer = sw_consumer;
2525 if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) {
2526 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) {
2527 netif_wake_queue(netdev);
2528 adapter->stats.xmit_on++;
2531 adapter->tx_timeo_cnt = 0;
2534 * If everything is freed up to consumer then check if the ring is full
2535 * If the ring is full then check if more needs to be freed and
2536 * schedule the call back again.
2538 * This happens when there are 2 CPUs. One could be freeing and the
2539 * other filling it. If the ring is full when we get out of here and
2540 * the card has already interrupted the host then the host can miss the
2543 * There is still a possible race condition and the host could miss an
2544 * interrupt. The card has to take care of this.
2546 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2547 done = (sw_consumer == hw_consumer);
2548 spin_unlock(&adapter->tx_clean_lock);
2553 static int qlcnic_poll(struct napi_struct *napi, int budget)
2555 struct qlcnic_host_sds_ring *sds_ring =
2556 container_of(napi, struct qlcnic_host_sds_ring, napi);
2558 struct qlcnic_adapter *adapter = sds_ring->adapter;
2563 tx_complete = qlcnic_process_cmd_ring(adapter);
2565 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2567 if ((work_done < budget) && tx_complete) {
2568 napi_complete(&sds_ring->napi);
2569 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2570 qlcnic_enable_int(sds_ring);
2576 static int qlcnic_rx_poll(struct napi_struct *napi, int budget)
2578 struct qlcnic_host_sds_ring *sds_ring =
2579 container_of(napi, struct qlcnic_host_sds_ring, napi);
2581 struct qlcnic_adapter *adapter = sds_ring->adapter;
2584 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2586 if (work_done < budget) {
2587 napi_complete(&sds_ring->napi);
2588 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2589 qlcnic_enable_int(sds_ring);
2595 #ifdef CONFIG_NET_POLL_CONTROLLER
2596 static void qlcnic_poll_controller(struct net_device *netdev)
2599 struct qlcnic_host_sds_ring *sds_ring;
2600 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2601 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2603 disable_irq(adapter->irq);
2604 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2605 sds_ring = &recv_ctx->sds_rings[ring];
2606 qlcnic_intr(adapter->irq, sds_ring);
2608 enable_irq(adapter->irq);
2613 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2617 val = adapter->portnum & 0xf;
2618 val |= encoding << 7;
2619 val |= (jiffies - adapter->dev_rst_time) << 8;
2621 QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2622 adapter->dev_rst_time = jiffies;
2626 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2630 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2631 state != QLCNIC_DEV_NEED_QUISCENT);
2633 if (qlcnic_api_lock(adapter))
2636 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2638 if (state == QLCNIC_DEV_NEED_RESET)
2639 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2640 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2641 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2643 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2645 qlcnic_api_unlock(adapter);
2651 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2655 if (qlcnic_api_lock(adapter))
2658 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2659 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2660 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2662 qlcnic_api_unlock(adapter);
2668 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2672 if (qlcnic_api_lock(adapter))
2675 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2676 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2677 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2680 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
2681 dev_info(&adapter->pdev->dev,
2682 "Device state set to Failed. Please Reboot\n");
2683 } else if (!(val & 0x11111111))
2684 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD);
2686 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2687 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2688 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2690 qlcnic_api_unlock(adapter);
2692 adapter->fw_fail_cnt = 0;
2693 adapter->flags &= ~QLCNIC_FW_HANG;
2694 clear_bit(__QLCNIC_START_FW, &adapter->state);
2695 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2698 /* Grab api lock, before checking state */
2700 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2702 int act, state, active_mask;
2704 state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2705 act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2707 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2708 active_mask = (~(1 << (adapter->ahw->pci_func * 4)));
2709 act = act & active_mask;
2712 if (((state & 0x11111111) == (act & 0x11111111)) ||
2713 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2719 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2721 u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2723 if (val != QLCNIC_DRV_IDC_VER) {
2724 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2725 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2732 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2734 u32 val, prev_state;
2735 u8 dev_init_timeo = adapter->dev_init_timeo;
2736 u8 portnum = adapter->portnum;
2739 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2742 if (qlcnic_api_lock(adapter))
2745 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2746 if (!(val & (1 << (portnum * 4)))) {
2747 QLC_DEV_SET_REF_CNT(val, portnum);
2748 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2751 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2752 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2754 switch (prev_state) {
2755 case QLCNIC_DEV_COLD:
2756 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
2757 QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
2758 qlcnic_idc_debug_info(adapter, 0);
2759 qlcnic_api_unlock(adapter);
2762 case QLCNIC_DEV_READY:
2763 ret = qlcnic_check_idc_ver(adapter);
2764 qlcnic_api_unlock(adapter);
2767 case QLCNIC_DEV_NEED_RESET:
2768 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2769 QLC_DEV_SET_RST_RDY(val, portnum);
2770 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2773 case QLCNIC_DEV_NEED_QUISCENT:
2774 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2775 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2776 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2779 case QLCNIC_DEV_FAILED:
2780 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2781 qlcnic_api_unlock(adapter);
2784 case QLCNIC_DEV_INITIALIZING:
2785 case QLCNIC_DEV_QUISCENT:
2789 qlcnic_api_unlock(adapter);
2793 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2795 if (prev_state == QLCNIC_DEV_QUISCENT)
2797 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2799 if (!dev_init_timeo) {
2800 dev_err(&adapter->pdev->dev,
2801 "Waiting for device to initialize timeout\n");
2805 if (qlcnic_api_lock(adapter))
2808 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2809 QLC_DEV_CLR_RST_QSCNT(val, portnum);
2810 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2812 ret = qlcnic_check_idc_ver(adapter);
2813 qlcnic_api_unlock(adapter);
2819 qlcnic_fwinit_work(struct work_struct *work)
2821 struct qlcnic_adapter *adapter = container_of(work,
2822 struct qlcnic_adapter, fw_work.work);
2823 u32 dev_state = 0xf;
2826 if (qlcnic_api_lock(adapter))
2829 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2830 if (dev_state == QLCNIC_DEV_QUISCENT ||
2831 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2832 qlcnic_api_unlock(adapter);
2833 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2838 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
2839 qlcnic_api_unlock(adapter);
2843 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2844 dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2845 adapter->reset_ack_timeo);
2846 goto skip_ack_check;
2849 if (!qlcnic_check_drv_state(adapter)) {
2851 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2853 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2854 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2855 QLCNIC_DEV_INITIALIZING);
2856 set_bit(__QLCNIC_START_FW, &adapter->state);
2857 QLCDB(adapter, DRV, "Restarting fw\n");
2858 qlcnic_idc_debug_info(adapter, 0);
2859 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2860 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2861 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2864 qlcnic_api_unlock(adapter);
2867 if (adapter->ahw->fw_dump.enable &&
2868 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2869 QLCDB(adapter, DRV, "Take FW dump\n");
2870 qlcnic_dump_fw(adapter);
2871 adapter->flags |= QLCNIC_FW_HANG;
2875 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
2876 if (!adapter->nic_ops->start_firmware(adapter)) {
2877 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2878 adapter->fw_wait_cnt = 0;
2884 qlcnic_api_unlock(adapter);
2887 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2888 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2890 switch (dev_state) {
2891 case QLCNIC_DEV_READY:
2892 if (!adapter->nic_ops->start_firmware(adapter)) {
2893 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2894 adapter->fw_wait_cnt = 0;
2897 case QLCNIC_DEV_FAILED:
2900 qlcnic_schedule_work(adapter,
2901 qlcnic_fwinit_work, FW_POLL_DELAY);
2906 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2907 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2908 netif_device_attach(adapter->netdev);
2909 qlcnic_clr_all_drv_state(adapter, 0);
2913 qlcnic_detach_work(struct work_struct *work)
2915 struct qlcnic_adapter *adapter = container_of(work,
2916 struct qlcnic_adapter, fw_work.work);
2917 struct net_device *netdev = adapter->netdev;
2920 netif_device_detach(netdev);
2922 /* Dont grab rtnl lock during Quiscent mode */
2923 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2924 if (netif_running(netdev))
2925 __qlcnic_down(adapter, netdev);
2927 qlcnic_down(adapter, netdev);
2929 status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2931 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2932 dev_err(&adapter->pdev->dev,
2933 "Detaching the device: peg halt status1=0x%x\n",
2936 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2937 dev_err(&adapter->pdev->dev,
2938 "On board active cooling fan failed. "
2939 "Device has been halted.\n");
2940 dev_err(&adapter->pdev->dev,
2941 "Replace the adapter.\n");
2947 if (adapter->temp == QLCNIC_TEMP_PANIC) {
2948 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
2953 /* Dont ack if this instance is the reset owner */
2954 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2955 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2956 dev_err(&adapter->pdev->dev,
2957 "Failed to set driver state,"
2958 "detaching the device.\n");
2963 adapter->fw_wait_cnt = 0;
2965 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2970 netif_device_attach(netdev);
2971 qlcnic_clr_all_drv_state(adapter, 1);
2974 /*Transit NPAR state to NON Operational */
2976 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2980 state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2981 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2984 if (qlcnic_api_lock(adapter))
2986 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2987 qlcnic_api_unlock(adapter);
2990 /*Transit to RESET state from READY state only */
2992 qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
2996 adapter->need_fw_reset = 1;
2997 if (qlcnic_api_lock(adapter))
3000 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
3002 if (state == QLCNIC_DEV_READY) {
3003 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
3004 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3005 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3006 qlcnic_idc_debug_info(adapter, 0);
3009 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
3010 qlcnic_api_unlock(adapter);
3013 /* Transit to NPAR READY state from NPAR NOT READY state */
3015 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3017 if (qlcnic_api_lock(adapter))
3020 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER);
3021 QLCDB(adapter, DRV, "NPAR operational state set\n");
3023 qlcnic_api_unlock(adapter);
3027 qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3028 work_func_t func, int delay)
3030 if (test_bit(__QLCNIC_AER, &adapter->state))
3033 INIT_DELAYED_WORK(&adapter->fw_work, func);
3034 queue_delayed_work(qlcnic_wq, &adapter->fw_work,
3035 round_jiffies_relative(delay));
3039 qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
3041 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
3044 cancel_delayed_work_sync(&adapter->fw_work);
3048 qlcnic_attach_work(struct work_struct *work)
3050 struct qlcnic_adapter *adapter = container_of(work,
3051 struct qlcnic_adapter, fw_work.work);
3052 struct net_device *netdev = adapter->netdev;
3055 if (adapter->op_mode != QLCNIC_MGMT_FUNC) {
3056 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3057 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3058 qlcnic_clr_all_drv_state(adapter, 0);
3059 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3060 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3064 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3068 if (netif_running(netdev)) {
3069 if (qlcnic_up(adapter, netdev))
3072 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3076 netif_device_attach(netdev);
3077 adapter->fw_fail_cnt = 0;
3078 adapter->flags &= ~QLCNIC_FW_HANG;
3079 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3081 if (!qlcnic_clr_drv_state(adapter))
3082 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3087 qlcnic_check_health(struct qlcnic_adapter *adapter)
3089 u32 state = 0, heartbeat;
3090 struct net_device *netdev = adapter->netdev;
3092 if (qlcnic_check_temp(adapter))
3095 if (adapter->need_fw_reset)
3096 qlcnic_dev_request_reset(adapter);
3098 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
3099 if (state == QLCNIC_DEV_NEED_RESET) {
3100 qlcnic_set_npar_non_operational(adapter);
3101 adapter->need_fw_reset = 1;
3102 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3105 heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3106 if (heartbeat != adapter->heartbeat) {
3107 adapter->heartbeat = heartbeat;
3108 adapter->fw_fail_cnt = 0;
3109 if (adapter->need_fw_reset)
3112 if (adapter->reset_context && auto_fw_reset) {
3113 qlcnic_reset_hw_context(adapter);
3114 adapter->netdev->trans_start = jiffies;
3120 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3123 adapter->flags |= QLCNIC_FW_HANG;
3125 qlcnic_dev_request_reset(adapter);
3128 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3130 dev_info(&netdev->dev, "firmware hang detected\n");
3131 dev_info(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3132 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3133 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3134 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3135 "PEG_NET_4_PC: 0x%x\n",
3136 QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1),
3137 QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3138 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3139 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3140 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3141 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3142 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
3144 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3145 QLCNIC_DEV_NEED_RESET;
3147 if (auto_fw_reset &&
3148 !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) {
3150 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3151 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3158 qlcnic_fw_poll_work(struct work_struct *work)
3160 struct qlcnic_adapter *adapter = container_of(work,
3161 struct qlcnic_adapter, fw_work.work);
3163 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3167 if (qlcnic_check_health(adapter))
3170 if (adapter->fhash.fnum)
3171 qlcnic_prune_lb_filters(adapter);
3174 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3177 static int qlcnic_is_first_func(struct pci_dev *pdev)
3179 struct pci_dev *oth_pdev;
3180 int val = pdev->devfn;
3183 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3184 (pdev->bus), pdev->bus->number,
3185 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3189 if (oth_pdev->current_state != PCI_D3cold) {
3190 pci_dev_put(oth_pdev);
3193 pci_dev_put(oth_pdev);
3198 static int qlcnic_attach_func(struct pci_dev *pdev)
3200 int err, first_func;
3201 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3202 struct net_device *netdev = adapter->netdev;
3204 pdev->error_state = pci_channel_io_normal;
3206 err = pci_enable_device(pdev);
3210 pci_set_power_state(pdev, PCI_D0);
3211 pci_set_master(pdev);
3212 pci_restore_state(pdev);
3214 first_func = qlcnic_is_first_func(pdev);
3216 if (qlcnic_api_lock(adapter))
3219 if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3220 adapter->need_fw_reset = 1;
3221 set_bit(__QLCNIC_START_FW, &adapter->state);
3222 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
3223 QLCDB(adapter, DRV, "Restarting fw\n");
3225 qlcnic_api_unlock(adapter);
3227 err = adapter->nic_ops->start_firmware(adapter);
3231 qlcnic_clr_drv_state(adapter);
3232 qlcnic_setup_intr(adapter);
3234 if (netif_running(netdev)) {
3235 err = qlcnic_attach(adapter);
3237 qlcnic_clr_all_drv_state(adapter, 1);
3238 clear_bit(__QLCNIC_AER, &adapter->state);
3239 netif_device_attach(netdev);
3243 err = qlcnic_up(adapter, netdev);
3247 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3250 netif_device_attach(netdev);
3254 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3255 pci_channel_state_t state)
3257 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3258 struct net_device *netdev = adapter->netdev;
3260 if (state == pci_channel_io_perm_failure)
3261 return PCI_ERS_RESULT_DISCONNECT;
3263 if (state == pci_channel_io_normal)
3264 return PCI_ERS_RESULT_RECOVERED;
3266 set_bit(__QLCNIC_AER, &adapter->state);
3267 netif_device_detach(netdev);
3269 cancel_delayed_work_sync(&adapter->fw_work);
3271 if (netif_running(netdev))
3272 qlcnic_down(adapter, netdev);
3274 qlcnic_detach(adapter);
3275 qlcnic_teardown_intr(adapter);
3277 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3279 pci_save_state(pdev);
3280 pci_disable_device(pdev);
3282 return PCI_ERS_RESULT_NEED_RESET;
3285 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3287 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3288 PCI_ERS_RESULT_RECOVERED;
3291 static void qlcnic_io_resume(struct pci_dev *pdev)
3293 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3295 pci_cleanup_aer_uncorrect_error_status(pdev);
3297 if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY &&
3298 test_and_clear_bit(__QLCNIC_AER, &adapter->state))
3299 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3304 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3308 err = qlcnic_can_start_firmware(adapter);
3312 err = qlcnic_check_npar_opertional(adapter);
3316 err = qlcnic_initialize_nic(adapter);
3320 qlcnic_check_options(adapter);
3322 err = qlcnic_set_eswitch_port_config(adapter);
3326 adapter->need_fw_reset = 0;
3332 qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
3338 qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
3344 qlcnic_store_bridged_mode(struct device *dev,
3345 struct device_attribute *attr, const char *buf, size_t len)
3347 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3351 if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG))
3354 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3357 if (strict_strtoul(buf, 2, &new))
3360 if (!adapter->nic_ops->config_bridged_mode(adapter, !!new))
3368 qlcnic_show_bridged_mode(struct device *dev,
3369 struct device_attribute *attr, char *buf)
3371 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3372 int bridged_mode = 0;
3374 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
3375 bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED);
3377 return sprintf(buf, "%d\n", bridged_mode);
3380 static struct device_attribute dev_attr_bridged_mode = {
3381 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
3382 .show = qlcnic_show_bridged_mode,
3383 .store = qlcnic_store_bridged_mode,
3387 qlcnic_store_diag_mode(struct device *dev,
3388 struct device_attribute *attr, const char *buf, size_t len)
3390 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3393 if (strict_strtoul(buf, 2, &new))
3396 if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED))
3397 adapter->flags ^= QLCNIC_DIAG_ENABLED;
3403 qlcnic_show_diag_mode(struct device *dev,
3404 struct device_attribute *attr, char *buf)
3406 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3408 return sprintf(buf, "%d\n",
3409 !!(adapter->flags & QLCNIC_DIAG_ENABLED));
3412 static struct device_attribute dev_attr_diag_mode = {
3413 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
3414 .show = qlcnic_show_diag_mode,
3415 .store = qlcnic_store_diag_mode,
3418 int qlcnic_validate_max_rss(struct net_device *netdev, u8 max_hw, u8 val)
3420 if (!use_msi_x && !use_msi) {
3421 netdev_info(netdev, "no msix or msi support, hence no rss\n");
3425 if ((val > max_hw) || (val < 2) || !is_power_of_2(val)) {
3426 netdev_info(netdev, "rss_ring valid range [2 - %x] in "
3427 " powers of 2\n", max_hw);
3434 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data)
3436 struct net_device *netdev = adapter->netdev;
3439 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
3442 netif_device_detach(netdev);
3443 if (netif_running(netdev))
3444 __qlcnic_down(adapter, netdev);
3445 qlcnic_detach(adapter);
3446 qlcnic_teardown_intr(adapter);
3448 if (qlcnic_enable_msix(adapter, data)) {
3449 netdev_info(netdev, "failed setting max_rss; rss disabled\n");
3450 qlcnic_enable_msi_legacy(adapter);
3453 if (netif_running(netdev)) {
3454 err = qlcnic_attach(adapter);
3457 err = __qlcnic_up(adapter, netdev);
3460 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3463 netif_device_attach(netdev);
3464 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3469 qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter,
3470 loff_t offset, size_t size)
3472 size_t crb_size = 4;
3474 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3477 if (offset < QLCNIC_PCI_CRBSPACE) {
3478 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM,
3479 QLCNIC_PCI_CAMQM_END))
3485 if ((size != crb_size) || (offset & (crb_size-1)))
3492 qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj,
3493 struct bin_attribute *attr,
3494 char *buf, loff_t offset, size_t size)
3496 struct device *dev = container_of(kobj, struct device, kobj);
3497 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3502 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3506 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3507 qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata);
3508 memcpy(buf, &qmdata, size);
3510 data = QLCRD32(adapter, offset);
3511 memcpy(buf, &data, size);
3517 qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj,
3518 struct bin_attribute *attr,
3519 char *buf, loff_t offset, size_t size)
3521 struct device *dev = container_of(kobj, struct device, kobj);
3522 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3527 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3531 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3532 memcpy(&qmdata, buf, size);
3533 qlcnic_pci_camqm_write_2M(adapter, offset, qmdata);
3535 memcpy(&data, buf, size);
3536 QLCWR32(adapter, offset, data);
3542 qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter,
3543 loff_t offset, size_t size)
3545 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3548 if ((size != 8) || (offset & 0x7))
3555 qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj,
3556 struct bin_attribute *attr,
3557 char *buf, loff_t offset, size_t size)
3559 struct device *dev = container_of(kobj, struct device, kobj);
3560 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3564 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3568 if (qlcnic_pci_mem_read_2M(adapter, offset, &data))
3571 memcpy(buf, &data, size);
3577 qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj,
3578 struct bin_attribute *attr,
3579 char *buf, loff_t offset, size_t size)
3581 struct device *dev = container_of(kobj, struct device, kobj);
3582 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3586 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3590 memcpy(&data, buf, size);
3592 if (qlcnic_pci_mem_write_2M(adapter, offset, data))
3598 static struct bin_attribute bin_attr_crb = {
3599 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
3601 .read = qlcnic_sysfs_read_crb,
3602 .write = qlcnic_sysfs_write_crb,
3605 static struct bin_attribute bin_attr_mem = {
3606 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
3608 .read = qlcnic_sysfs_read_mem,
3609 .write = qlcnic_sysfs_write_mem,
3613 validate_pm_config(struct qlcnic_adapter *adapter,
3614 struct qlcnic_pm_func_cfg *pm_cfg, int count)
3617 u8 src_pci_func, s_esw_id, d_esw_id;
3621 for (i = 0; i < count; i++) {
3622 src_pci_func = pm_cfg[i].pci_func;
3623 dest_pci_func = pm_cfg[i].dest_npar;
3624 if (src_pci_func >= QLCNIC_MAX_PCI_FUNC
3625 || dest_pci_func >= QLCNIC_MAX_PCI_FUNC)
3626 return QL_STATUS_INVALID_PARAM;
3628 if (adapter->npars[src_pci_func].type != QLCNIC_TYPE_NIC)
3629 return QL_STATUS_INVALID_PARAM;
3631 if (adapter->npars[dest_pci_func].type != QLCNIC_TYPE_NIC)
3632 return QL_STATUS_INVALID_PARAM;
3634 s_esw_id = adapter->npars[src_pci_func].phy_port;
3635 d_esw_id = adapter->npars[dest_pci_func].phy_port;
3637 if (s_esw_id != d_esw_id)
3638 return QL_STATUS_INVALID_PARAM;
3646 qlcnic_sysfs_write_pm_config(struct file *filp, struct kobject *kobj,
3647 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3649 struct device *dev = container_of(kobj, struct device, kobj);
3650 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3651 struct qlcnic_pm_func_cfg *pm_cfg;
3652 u32 id, action, pci_func;
3653 int count, rem, i, ret;
3655 count = size / sizeof(struct qlcnic_pm_func_cfg);
3656 rem = size % sizeof(struct qlcnic_pm_func_cfg);
3658 return QL_STATUS_INVALID_PARAM;
3660 pm_cfg = (struct qlcnic_pm_func_cfg *) buf;
3662 ret = validate_pm_config(adapter, pm_cfg, count);
3665 for (i = 0; i < count; i++) {
3666 pci_func = pm_cfg[i].pci_func;
3667 action = !!pm_cfg[i].action;
3668 id = adapter->npars[pci_func].phy_port;
3669 ret = qlcnic_config_port_mirroring(adapter, id,
3675 for (i = 0; i < count; i++) {
3676 pci_func = pm_cfg[i].pci_func;
3677 id = adapter->npars[pci_func].phy_port;
3678 adapter->npars[pci_func].enable_pm = !!pm_cfg[i].action;
3679 adapter->npars[pci_func].dest_npar = id;
3685 qlcnic_sysfs_read_pm_config(struct file *filp, struct kobject *kobj,
3686 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3688 struct device *dev = container_of(kobj, struct device, kobj);
3689 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3690 struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC];
3693 if (size != sizeof(pm_cfg))
3694 return QL_STATUS_INVALID_PARAM;
3696 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3697 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3699 pm_cfg[i].action = adapter->npars[i].enable_pm;
3700 pm_cfg[i].dest_npar = 0;
3701 pm_cfg[i].pci_func = i;
3703 memcpy(buf, &pm_cfg, size);
3709 validate_esw_config(struct qlcnic_adapter *adapter,
3710 struct qlcnic_esw_func_cfg *esw_cfg, int count)
3716 op_mode = readl(adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE);
3718 for (i = 0; i < count; i++) {
3719 pci_func = esw_cfg[i].pci_func;
3720 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3721 return QL_STATUS_INVALID_PARAM;
3723 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
3724 if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3725 return QL_STATUS_INVALID_PARAM;
3727 switch (esw_cfg[i].op_mode) {
3728 case QLCNIC_PORT_DEFAULTS:
3729 if (QLC_DEV_GET_DRV(op_mode, pci_func) !=
3730 QLCNIC_NON_PRIV_FUNC) {
3731 if (esw_cfg[i].mac_anti_spoof != 0)
3732 return QL_STATUS_INVALID_PARAM;
3733 if (esw_cfg[i].mac_override != 1)
3734 return QL_STATUS_INVALID_PARAM;
3735 if (esw_cfg[i].promisc_mode != 1)
3736 return QL_STATUS_INVALID_PARAM;
3739 case QLCNIC_ADD_VLAN:
3740 if (!IS_VALID_VLAN(esw_cfg[i].vlan_id))
3741 return QL_STATUS_INVALID_PARAM;
3742 if (!esw_cfg[i].op_type)
3743 return QL_STATUS_INVALID_PARAM;
3745 case QLCNIC_DEL_VLAN:
3746 if (!esw_cfg[i].op_type)
3747 return QL_STATUS_INVALID_PARAM;
3750 return QL_STATUS_INVALID_PARAM;
3757 qlcnic_sysfs_write_esw_config(struct file *file, struct kobject *kobj,
3758 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3760 struct device *dev = container_of(kobj, struct device, kobj);
3761 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3762 struct qlcnic_esw_func_cfg *esw_cfg;
3763 struct qlcnic_npar_info *npar;
3764 int count, rem, i, ret;
3765 u8 pci_func, op_mode = 0;
3767 count = size / sizeof(struct qlcnic_esw_func_cfg);
3768 rem = size % sizeof(struct qlcnic_esw_func_cfg);
3770 return QL_STATUS_INVALID_PARAM;
3772 esw_cfg = (struct qlcnic_esw_func_cfg *) buf;
3773 ret = validate_esw_config(adapter, esw_cfg, count);
3777 for (i = 0; i < count; i++) {
3778 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
3779 if (qlcnic_config_switch_port(adapter, &esw_cfg[i]))
3780 return QL_STATUS_INVALID_PARAM;
3782 if (adapter->ahw->pci_func != esw_cfg[i].pci_func)
3785 op_mode = esw_cfg[i].op_mode;
3786 qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]);
3787 esw_cfg[i].op_mode = op_mode;
3788 esw_cfg[i].pci_func = adapter->ahw->pci_func;
3790 switch (esw_cfg[i].op_mode) {
3791 case QLCNIC_PORT_DEFAULTS:
3792 qlcnic_set_eswitch_port_features(adapter, &esw_cfg[i]);
3794 case QLCNIC_ADD_VLAN:
3795 qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
3797 case QLCNIC_DEL_VLAN:
3798 esw_cfg[i].vlan_id = 0;
3799 qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
3804 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
3807 for (i = 0; i < count; i++) {
3808 pci_func = esw_cfg[i].pci_func;
3809 npar = &adapter->npars[pci_func];
3810 switch (esw_cfg[i].op_mode) {
3811 case QLCNIC_PORT_DEFAULTS:
3812 npar->promisc_mode = esw_cfg[i].promisc_mode;
3813 npar->mac_override = esw_cfg[i].mac_override;
3814 npar->offload_flags = esw_cfg[i].offload_flags;
3815 npar->mac_anti_spoof = esw_cfg[i].mac_anti_spoof;
3816 npar->discard_tagged = esw_cfg[i].discard_tagged;
3818 case QLCNIC_ADD_VLAN:
3819 npar->pvid = esw_cfg[i].vlan_id;
3821 case QLCNIC_DEL_VLAN:
3831 qlcnic_sysfs_read_esw_config(struct file *file, struct kobject *kobj,
3832 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3834 struct device *dev = container_of(kobj, struct device, kobj);
3835 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3836 struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC];
3839 if (size != sizeof(esw_cfg))
3840 return QL_STATUS_INVALID_PARAM;
3842 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3843 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3845 esw_cfg[i].pci_func = i;
3846 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]))
3847 return QL_STATUS_INVALID_PARAM;
3849 memcpy(buf, &esw_cfg, size);
3855 validate_npar_config(struct qlcnic_adapter *adapter,
3856 struct qlcnic_npar_func_cfg *np_cfg, int count)
3860 for (i = 0; i < count; i++) {
3861 pci_func = np_cfg[i].pci_func;
3862 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3863 return QL_STATUS_INVALID_PARAM;
3865 if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3866 return QL_STATUS_INVALID_PARAM;
3868 if (!IS_VALID_BW(np_cfg[i].min_bw) ||
3869 !IS_VALID_BW(np_cfg[i].max_bw))
3870 return QL_STATUS_INVALID_PARAM;
3876 qlcnic_sysfs_write_npar_config(struct file *file, struct kobject *kobj,
3877 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3879 struct device *dev = container_of(kobj, struct device, kobj);
3880 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3881 struct qlcnic_info nic_info;
3882 struct qlcnic_npar_func_cfg *np_cfg;
3883 int i, count, rem, ret;
3886 count = size / sizeof(struct qlcnic_npar_func_cfg);
3887 rem = size % sizeof(struct qlcnic_npar_func_cfg);
3889 return QL_STATUS_INVALID_PARAM;
3891 np_cfg = (struct qlcnic_npar_func_cfg *) buf;
3892 ret = validate_npar_config(adapter, np_cfg, count);
3896 for (i = 0; i < count ; i++) {
3897 pci_func = np_cfg[i].pci_func;
3898 ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
3901 nic_info.pci_func = pci_func;
3902 nic_info.min_tx_bw = np_cfg[i].min_bw;
3903 nic_info.max_tx_bw = np_cfg[i].max_bw;
3904 ret = qlcnic_set_nic_info(adapter, &nic_info);
3907 adapter->npars[i].min_bw = nic_info.min_tx_bw;
3908 adapter->npars[i].max_bw = nic_info.max_tx_bw;
3915 qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj,
3916 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3918 struct device *dev = container_of(kobj, struct device, kobj);
3919 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3920 struct qlcnic_info nic_info;
3921 struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC];
3924 if (size != sizeof(np_cfg))
3925 return QL_STATUS_INVALID_PARAM;
3927 for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
3928 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3930 ret = qlcnic_get_nic_info(adapter, &nic_info, i);
3934 np_cfg[i].pci_func = i;
3935 np_cfg[i].op_mode = (u8)nic_info.op_mode;
3936 np_cfg[i].port_num = nic_info.phys_port;
3937 np_cfg[i].fw_capab = nic_info.capabilities;
3938 np_cfg[i].min_bw = nic_info.min_tx_bw ;
3939 np_cfg[i].max_bw = nic_info.max_tx_bw;
3940 np_cfg[i].max_tx_queues = nic_info.max_tx_ques;
3941 np_cfg[i].max_rx_queues = nic_info.max_rx_ques;
3943 memcpy(buf, &np_cfg, size);
3948 qlcnic_sysfs_get_port_stats(struct file *file, struct kobject *kobj,
3949 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3951 struct device *dev = container_of(kobj, struct device, kobj);
3952 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3953 struct qlcnic_esw_statistics port_stats;
3956 if (size != sizeof(struct qlcnic_esw_statistics))
3957 return QL_STATUS_INVALID_PARAM;
3959 if (offset >= QLCNIC_MAX_PCI_FUNC)
3960 return QL_STATUS_INVALID_PARAM;
3962 memset(&port_stats, 0, size);
3963 ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
3968 ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
3973 memcpy(buf, &port_stats, size);
3978 qlcnic_sysfs_get_esw_stats(struct file *file, struct kobject *kobj,
3979 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3981 struct device *dev = container_of(kobj, struct device, kobj);
3982 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3983 struct qlcnic_esw_statistics esw_stats;
3986 if (size != sizeof(struct qlcnic_esw_statistics))
3987 return QL_STATUS_INVALID_PARAM;
3989 if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
3990 return QL_STATUS_INVALID_PARAM;
3992 memset(&esw_stats, 0, size);
3993 ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
3998 ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
4003 memcpy(buf, &esw_stats, size);
4008 qlcnic_sysfs_clear_esw_stats(struct file *file, struct kobject *kobj,
4009 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4011 struct device *dev = container_of(kobj, struct device, kobj);
4012 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4015 if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
4016 return QL_STATUS_INVALID_PARAM;
4018 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
4019 QLCNIC_QUERY_RX_COUNTER);
4023 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
4024 QLCNIC_QUERY_TX_COUNTER);
4032 qlcnic_sysfs_clear_port_stats(struct file *file, struct kobject *kobj,
4033 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4036 struct device *dev = container_of(kobj, struct device, kobj);
4037 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4040 if (offset >= QLCNIC_MAX_PCI_FUNC)
4041 return QL_STATUS_INVALID_PARAM;
4043 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
4044 QLCNIC_QUERY_RX_COUNTER);
4048 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
4049 QLCNIC_QUERY_TX_COUNTER);
4057 qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj,
4058 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4060 struct device *dev = container_of(kobj, struct device, kobj);
4061 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4062 struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC];
4063 struct qlcnic_pci_info *pci_info;
4066 if (size != sizeof(pci_cfg))
4067 return QL_STATUS_INVALID_PARAM;
4069 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
4073 ret = qlcnic_get_pci_info(adapter, pci_info);
4079 for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
4080 pci_cfg[i].pci_func = pci_info[i].id;
4081 pci_cfg[i].func_type = pci_info[i].type;
4082 pci_cfg[i].port_num = pci_info[i].default_port;
4083 pci_cfg[i].min_bw = pci_info[i].tx_min_bw;
4084 pci_cfg[i].max_bw = pci_info[i].tx_max_bw;
4085 memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN);
4087 memcpy(buf, &pci_cfg, size);
4091 static struct bin_attribute bin_attr_npar_config = {
4092 .attr = {.name = "npar_config", .mode = (S_IRUGO | S_IWUSR)},
4094 .read = qlcnic_sysfs_read_npar_config,
4095 .write = qlcnic_sysfs_write_npar_config,
4098 static struct bin_attribute bin_attr_pci_config = {
4099 .attr = {.name = "pci_config", .mode = (S_IRUGO | S_IWUSR)},
4101 .read = qlcnic_sysfs_read_pci_config,
4105 static struct bin_attribute bin_attr_port_stats = {
4106 .attr = {.name = "port_stats", .mode = (S_IRUGO | S_IWUSR)},
4108 .read = qlcnic_sysfs_get_port_stats,
4109 .write = qlcnic_sysfs_clear_port_stats,
4112 static struct bin_attribute bin_attr_esw_stats = {
4113 .attr = {.name = "esw_stats", .mode = (S_IRUGO | S_IWUSR)},
4115 .read = qlcnic_sysfs_get_esw_stats,
4116 .write = qlcnic_sysfs_clear_esw_stats,
4119 static struct bin_attribute bin_attr_esw_config = {
4120 .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)},
4122 .read = qlcnic_sysfs_read_esw_config,
4123 .write = qlcnic_sysfs_write_esw_config,
4126 static struct bin_attribute bin_attr_pm_config = {
4127 .attr = {.name = "pm_config", .mode = (S_IRUGO | S_IWUSR)},
4129 .read = qlcnic_sysfs_read_pm_config,
4130 .write = qlcnic_sysfs_write_pm_config,
4134 qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter)
4136 struct device *dev = &adapter->pdev->dev;
4138 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
4139 if (device_create_file(dev, &dev_attr_bridged_mode))
4141 "failed to create bridged_mode sysfs entry\n");
4145 qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter)
4147 struct device *dev = &adapter->pdev->dev;
4149 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
4150 device_remove_file(dev, &dev_attr_bridged_mode);
4154 qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
4156 struct device *dev = &adapter->pdev->dev;
4158 if (device_create_bin_file(dev, &bin_attr_port_stats))
4159 dev_info(dev, "failed to create port stats sysfs entry");
4161 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
4163 if (device_create_file(dev, &dev_attr_diag_mode))
4164 dev_info(dev, "failed to create diag_mode sysfs entry\n");
4165 if (device_create_bin_file(dev, &bin_attr_crb))
4166 dev_info(dev, "failed to create crb sysfs entry\n");
4167 if (device_create_bin_file(dev, &bin_attr_mem))
4168 dev_info(dev, "failed to create mem sysfs entry\n");
4169 if (device_create_bin_file(dev, &bin_attr_pci_config))
4170 dev_info(dev, "failed to create pci config sysfs entry");
4171 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
4173 if (device_create_bin_file(dev, &bin_attr_esw_config))
4174 dev_info(dev, "failed to create esw config sysfs entry");
4175 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
4177 if (device_create_bin_file(dev, &bin_attr_npar_config))
4178 dev_info(dev, "failed to create npar config sysfs entry");
4179 if (device_create_bin_file(dev, &bin_attr_pm_config))
4180 dev_info(dev, "failed to create pm config sysfs entry");
4181 if (device_create_bin_file(dev, &bin_attr_esw_stats))
4182 dev_info(dev, "failed to create eswitch stats sysfs entry");
4186 qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
4188 struct device *dev = &adapter->pdev->dev;
4190 device_remove_bin_file(dev, &bin_attr_port_stats);
4192 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
4194 device_remove_file(dev, &dev_attr_diag_mode);
4195 device_remove_bin_file(dev, &bin_attr_crb);
4196 device_remove_bin_file(dev, &bin_attr_mem);
4197 device_remove_bin_file(dev, &bin_attr_pci_config);
4198 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
4200 device_remove_bin_file(dev, &bin_attr_esw_config);
4201 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
4203 device_remove_bin_file(dev, &bin_attr_npar_config);
4204 device_remove_bin_file(dev, &bin_attr_pm_config);
4205 device_remove_bin_file(dev, &bin_attr_esw_stats);
4210 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4213 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4214 struct net_device *dev, unsigned long event)
4216 struct in_device *indev;
4218 indev = in_dev_get(dev);
4225 qlcnic_config_ipaddr(adapter,
4226 ifa->ifa_address, QLCNIC_IP_UP);
4229 qlcnic_config_ipaddr(adapter,
4230 ifa->ifa_address, QLCNIC_IP_DOWN);
4235 } endfor_ifa(indev);
4241 qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4243 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4244 struct net_device *dev;
4247 qlcnic_config_indev_addr(adapter, netdev, event);
4249 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4250 dev = __vlan_find_dev_deep(netdev, vid);
4253 qlcnic_config_indev_addr(adapter, dev, event);
4257 static int qlcnic_netdev_event(struct notifier_block *this,
4258 unsigned long event, void *ptr)
4260 struct qlcnic_adapter *adapter;
4261 struct net_device *dev = (struct net_device *)ptr;
4267 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4268 dev = vlan_dev_real_dev(dev);
4272 if (!is_qlcnic_netdev(dev))
4275 adapter = netdev_priv(dev);
4280 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4283 qlcnic_config_indev_addr(adapter, dev, event);
4289 qlcnic_inetaddr_event(struct notifier_block *this,
4290 unsigned long event, void *ptr)
4292 struct qlcnic_adapter *adapter;
4293 struct net_device *dev;
4295 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4297 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4303 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4304 dev = vlan_dev_real_dev(dev);
4308 if (!is_qlcnic_netdev(dev))
4311 adapter = netdev_priv(dev);
4316 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4321 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4324 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4334 static struct notifier_block qlcnic_netdev_cb = {
4335 .notifier_call = qlcnic_netdev_event,
4338 static struct notifier_block qlcnic_inetaddr_cb = {
4339 .notifier_call = qlcnic_inetaddr_event,
4343 qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4346 static struct pci_error_handlers qlcnic_err_handler = {
4347 .error_detected = qlcnic_io_error_detected,
4348 .slot_reset = qlcnic_io_slot_reset,
4349 .resume = qlcnic_io_resume,
4352 static struct pci_driver qlcnic_driver = {
4353 .name = qlcnic_driver_name,
4354 .id_table = qlcnic_pci_tbl,
4355 .probe = qlcnic_probe,
4356 .remove = __devexit_p(qlcnic_remove),
4358 .suspend = qlcnic_suspend,
4359 .resume = qlcnic_resume,
4361 .shutdown = qlcnic_shutdown,
4362 .err_handler = &qlcnic_err_handler
4366 static int __init qlcnic_init_module(void)
4370 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4372 qlcnic_wq = create_singlethread_workqueue("qlcnic");
4373 if (qlcnic_wq == NULL) {
4374 printk(KERN_ERR "qlcnic: cannot create workqueue\n");
4379 register_netdevice_notifier(&qlcnic_netdev_cb);
4380 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4383 ret = pci_register_driver(&qlcnic_driver);
4386 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4387 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4389 destroy_workqueue(qlcnic_wq);
4395 module_init(qlcnic_init_module);
4397 static void __exit qlcnic_exit_module(void)
4400 pci_unregister_driver(&qlcnic_driver);
4403 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4404 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4406 destroy_workqueue(qlcnic_wq);
4409 module_exit(qlcnic_exit_module);