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 int qlcnic_vlan_rx_add(struct net_device *, u16);
101 static int 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);
747 qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
749 struct qlcnic_adapter *adapter = netdev_priv(netdev);
751 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
752 clear_bit(vid, adapter->vlans);
757 qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
758 struct qlcnic_esw_func_cfg *esw_cfg)
760 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
761 QLCNIC_PROMISC_DISABLED);
763 if (esw_cfg->mac_anti_spoof)
764 adapter->flags |= QLCNIC_MACSPOOF;
766 if (!esw_cfg->mac_override)
767 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
769 if (!esw_cfg->promisc_mode)
770 adapter->flags |= QLCNIC_PROMISC_DISABLED;
772 qlcnic_set_netdev_features(adapter, esw_cfg);
776 qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
778 struct qlcnic_esw_func_cfg esw_cfg;
780 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
783 esw_cfg.pci_func = adapter->ahw->pci_func;
784 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
786 qlcnic_set_vlan_config(adapter, &esw_cfg);
787 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
793 qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
794 struct qlcnic_esw_func_cfg *esw_cfg)
796 struct net_device *netdev = adapter->netdev;
797 netdev_features_t features, vlan_features;
799 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
800 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
801 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
802 NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER);
804 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
805 features |= (NETIF_F_TSO | NETIF_F_TSO6);
806 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
809 if (netdev->features & NETIF_F_LRO)
810 features |= NETIF_F_LRO;
812 if (esw_cfg->offload_flags & BIT_0) {
813 netdev->features |= features;
814 if (!(esw_cfg->offload_flags & BIT_1))
815 netdev->features &= ~NETIF_F_TSO;
816 if (!(esw_cfg->offload_flags & BIT_2))
817 netdev->features &= ~NETIF_F_TSO6;
819 netdev->features &= ~features;
822 netdev->vlan_features = (features & vlan_features);
826 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
828 void __iomem *priv_op;
829 u32 op_mode, priv_level;
832 err = qlcnic_initialize_nic(adapter);
836 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
839 priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
840 op_mode = readl(priv_op);
841 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
843 if (op_mode == QLC_DEV_DRV_DEFAULT)
844 priv_level = QLCNIC_MGMT_FUNC;
846 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
848 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
849 if (priv_level == QLCNIC_MGMT_FUNC) {
850 adapter->op_mode = QLCNIC_MGMT_FUNC;
851 err = qlcnic_init_pci_info(adapter);
854 /* Set privilege level for other functions */
855 qlcnic_set_function_modes(adapter);
856 dev_info(&adapter->pdev->dev,
857 "HAL Version: %d, Management function\n",
858 adapter->fw_hal_version);
859 } else if (priv_level == QLCNIC_PRIV_FUNC) {
860 adapter->op_mode = QLCNIC_PRIV_FUNC;
861 dev_info(&adapter->pdev->dev,
862 "HAL Version: %d, Privileged function\n",
863 adapter->fw_hal_version);
867 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
873 qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
875 struct qlcnic_esw_func_cfg esw_cfg;
876 struct qlcnic_npar_info *npar;
879 if (adapter->need_fw_reset)
882 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
883 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
885 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
886 esw_cfg.pci_func = i;
887 esw_cfg.offload_flags = BIT_0;
888 esw_cfg.mac_override = BIT_0;
889 esw_cfg.promisc_mode = BIT_0;
890 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
891 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
892 if (qlcnic_config_switch_port(adapter, &esw_cfg))
894 npar = &adapter->npars[i];
895 npar->pvid = esw_cfg.vlan_id;
896 npar->mac_override = esw_cfg.mac_override;
897 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
898 npar->discard_tagged = esw_cfg.discard_tagged;
899 npar->promisc_mode = esw_cfg.promisc_mode;
900 npar->offload_flags = esw_cfg.offload_flags;
907 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
908 struct qlcnic_npar_info *npar, int pci_func)
910 struct qlcnic_esw_func_cfg esw_cfg;
911 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
912 esw_cfg.pci_func = pci_func;
913 esw_cfg.vlan_id = npar->pvid;
914 esw_cfg.mac_override = npar->mac_override;
915 esw_cfg.discard_tagged = npar->discard_tagged;
916 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
917 esw_cfg.offload_flags = npar->offload_flags;
918 esw_cfg.promisc_mode = npar->promisc_mode;
919 if (qlcnic_config_switch_port(adapter, &esw_cfg))
922 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
923 if (qlcnic_config_switch_port(adapter, &esw_cfg))
930 qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
933 struct qlcnic_npar_info *npar;
934 struct qlcnic_info nic_info;
936 if (!adapter->need_fw_reset)
939 /* Set the NPAR config data after FW reset */
940 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
941 npar = &adapter->npars[i];
942 if (npar->type != QLCNIC_TYPE_NIC)
944 err = qlcnic_get_nic_info(adapter, &nic_info, i);
947 nic_info.min_tx_bw = npar->min_bw;
948 nic_info.max_tx_bw = npar->max_bw;
949 err = qlcnic_set_nic_info(adapter, &nic_info);
953 if (npar->enable_pm) {
954 err = qlcnic_config_port_mirroring(adapter,
955 npar->dest_npar, 1, i);
959 err = qlcnic_reset_eswitch_config(adapter, npar, i);
966 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
968 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
971 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
974 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
975 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
977 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
979 if (!npar_opt_timeo) {
980 dev_err(&adapter->pdev->dev,
981 "Waiting for NPAR state to opertional timeout\n");
988 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
992 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
993 adapter->op_mode != QLCNIC_MGMT_FUNC)
996 err = qlcnic_set_default_offload_settings(adapter);
1000 err = qlcnic_reset_npar_config(adapter);
1004 qlcnic_dev_set_npar_ready(adapter);
1010 qlcnic_start_firmware(struct qlcnic_adapter *adapter)
1014 err = qlcnic_can_start_firmware(adapter);
1018 goto check_fw_status;
1021 qlcnic_request_firmware(adapter);
1023 err = qlcnic_check_flash_fw_ver(adapter);
1027 adapter->fw_type = QLCNIC_FLASH_ROMIMAGE;
1030 err = qlcnic_need_fw_reset(adapter);
1032 goto check_fw_status;
1034 err = qlcnic_pinit_from_rom(adapter);
1038 err = qlcnic_load_firmware(adapter);
1042 qlcnic_release_firmware(adapter);
1043 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1046 err = qlcnic_check_fw_status(adapter);
1050 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1051 qlcnic_idc_debug_info(adapter, 1);
1053 err = qlcnic_check_eswitch_mode(adapter);
1055 dev_err(&adapter->pdev->dev,
1056 "Memory allocation failed for eswitch\n");
1059 err = qlcnic_set_mgmt_operations(adapter);
1063 qlcnic_check_options(adapter);
1064 adapter->need_fw_reset = 0;
1066 qlcnic_release_firmware(adapter);
1070 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1071 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1073 qlcnic_release_firmware(adapter);
1078 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1080 irq_handler_t handler;
1081 struct qlcnic_host_sds_ring *sds_ring;
1084 unsigned long flags = 0;
1085 struct net_device *netdev = adapter->netdev;
1086 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1088 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1089 handler = qlcnic_tmp_intr;
1090 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1091 flags |= IRQF_SHARED;
1094 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1095 handler = qlcnic_msix_intr;
1096 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1097 handler = qlcnic_msi_intr;
1099 flags |= IRQF_SHARED;
1100 handler = qlcnic_intr;
1103 adapter->irq = netdev->irq;
1105 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1106 sds_ring = &recv_ctx->sds_rings[ring];
1107 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1108 err = request_irq(sds_ring->irq, handler,
1109 flags, sds_ring->name, sds_ring);
1118 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1121 struct qlcnic_host_sds_ring *sds_ring;
1123 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1125 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1126 sds_ring = &recv_ctx->sds_rings[ring];
1127 free_irq(sds_ring->irq, sds_ring);
1132 __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1135 struct qlcnic_host_rds_ring *rds_ring;
1137 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1140 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1142 if (qlcnic_set_eswitch_port_config(adapter))
1145 if (qlcnic_fw_create_ctx(adapter))
1148 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1149 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1150 qlcnic_post_rx_buffers(adapter, rds_ring);
1153 qlcnic_set_multi(netdev);
1154 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1156 adapter->ahw->linkup = 0;
1158 if (adapter->max_sds_rings > 1)
1159 qlcnic_config_rss(adapter, 1);
1161 qlcnic_config_intr_coalesce(adapter);
1163 if (netdev->features & NETIF_F_LRO)
1164 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1166 qlcnic_napi_enable(adapter);
1168 qlcnic_linkevent_request(adapter, 1);
1170 adapter->reset_context = 0;
1171 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1175 /* Usage: During resume and firmware recovery module.*/
1178 qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1183 if (netif_running(netdev))
1184 err = __qlcnic_up(adapter, netdev);
1191 __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1193 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1196 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1200 spin_lock(&adapter->tx_clean_lock);
1201 netif_carrier_off(netdev);
1202 netif_tx_disable(netdev);
1204 qlcnic_free_mac_list(adapter);
1206 if (adapter->fhash.fnum)
1207 qlcnic_delete_lb_filters(adapter);
1209 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1211 qlcnic_napi_disable(adapter);
1213 qlcnic_fw_destroy_ctx(adapter);
1215 qlcnic_reset_rx_buffers_list(adapter);
1216 qlcnic_release_tx_buffers(adapter);
1217 spin_unlock(&adapter->tx_clean_lock);
1220 /* Usage: During suspend and firmware recovery module */
1223 qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1226 if (netif_running(netdev))
1227 __qlcnic_down(adapter, netdev);
1233 qlcnic_attach(struct qlcnic_adapter *adapter)
1235 struct net_device *netdev = adapter->netdev;
1236 struct pci_dev *pdev = adapter->pdev;
1239 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1242 err = qlcnic_napi_add(adapter, netdev);
1246 err = qlcnic_alloc_sw_resources(adapter);
1248 dev_err(&pdev->dev, "Error in setting sw resources\n");
1249 goto err_out_napi_del;
1252 err = qlcnic_alloc_hw_resources(adapter);
1254 dev_err(&pdev->dev, "Error in setting hw resources\n");
1255 goto err_out_free_sw;
1258 err = qlcnic_request_irq(adapter);
1260 dev_err(&pdev->dev, "failed to setup interrupt\n");
1261 goto err_out_free_hw;
1264 qlcnic_create_sysfs_entries(adapter);
1266 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1270 qlcnic_free_hw_resources(adapter);
1272 qlcnic_free_sw_resources(adapter);
1274 qlcnic_napi_del(adapter);
1279 qlcnic_detach(struct qlcnic_adapter *adapter)
1281 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1284 qlcnic_remove_sysfs_entries(adapter);
1286 qlcnic_free_hw_resources(adapter);
1287 qlcnic_release_rx_buffers(adapter);
1288 qlcnic_free_irq(adapter);
1289 qlcnic_napi_del(adapter);
1290 qlcnic_free_sw_resources(adapter);
1295 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1297 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1298 struct qlcnic_host_sds_ring *sds_ring;
1301 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1302 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1303 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1304 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1305 qlcnic_disable_int(sds_ring);
1309 qlcnic_fw_destroy_ctx(adapter);
1311 qlcnic_detach(adapter);
1313 adapter->diag_test = 0;
1314 adapter->max_sds_rings = max_sds_rings;
1316 if (qlcnic_attach(adapter))
1319 if (netif_running(netdev))
1320 __qlcnic_up(adapter, netdev);
1322 netif_device_attach(netdev);
1325 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
1328 adapter->ahw = kzalloc(sizeof(struct qlcnic_hardware_context),
1330 if (!adapter->ahw) {
1331 dev_err(&adapter->pdev->dev,
1332 "Failed to allocate recv ctx resources for adapter\n");
1336 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
1338 if (!adapter->recv_ctx) {
1339 dev_err(&adapter->pdev->dev,
1340 "Failed to allocate recv ctx resources for adapter\n");
1341 kfree(adapter->ahw);
1342 adapter->ahw = NULL;
1346 /* Initialize interrupt coalesce parameters */
1347 adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1348 adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1349 adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
1354 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
1356 kfree(adapter->recv_ctx);
1357 adapter->recv_ctx = NULL;
1359 if (adapter->ahw->fw_dump.tmpl_hdr) {
1360 vfree(adapter->ahw->fw_dump.tmpl_hdr);
1361 adapter->ahw->fw_dump.tmpl_hdr = NULL;
1363 kfree(adapter->ahw);
1364 adapter->ahw = NULL;
1367 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1369 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1370 struct qlcnic_host_sds_ring *sds_ring;
1371 struct qlcnic_host_rds_ring *rds_ring;
1375 netif_device_detach(netdev);
1377 if (netif_running(netdev))
1378 __qlcnic_down(adapter, netdev);
1380 qlcnic_detach(adapter);
1382 adapter->max_sds_rings = 1;
1383 adapter->diag_test = test;
1385 ret = qlcnic_attach(adapter);
1387 netif_device_attach(netdev);
1391 ret = qlcnic_fw_create_ctx(adapter);
1393 qlcnic_detach(adapter);
1394 netif_device_attach(netdev);
1398 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1399 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1400 qlcnic_post_rx_buffers(adapter, rds_ring);
1403 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1404 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1405 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1406 qlcnic_enable_int(sds_ring);
1410 if (adapter->diag_test == QLCNIC_LOOPBACK_TEST) {
1411 adapter->ahw->loopback_state = 0;
1412 qlcnic_linkevent_request(adapter, 1);
1415 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1420 /* Reset context in hardware only */
1422 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1424 struct net_device *netdev = adapter->netdev;
1426 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1429 netif_device_detach(netdev);
1431 qlcnic_down(adapter, netdev);
1433 qlcnic_up(adapter, netdev);
1435 netif_device_attach(netdev);
1437 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1442 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1445 struct net_device *netdev = adapter->netdev;
1447 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1450 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1452 netif_device_detach(netdev);
1454 if (netif_running(netdev))
1455 __qlcnic_down(adapter, netdev);
1457 qlcnic_detach(adapter);
1459 if (netif_running(netdev)) {
1460 err = qlcnic_attach(adapter);
1462 __qlcnic_up(adapter, netdev);
1465 netif_device_attach(netdev);
1468 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1473 qlcnic_setup_netdev(struct qlcnic_adapter *adapter,
1474 struct net_device *netdev, u8 pci_using_dac)
1477 struct pci_dev *pdev = adapter->pdev;
1479 adapter->mc_enabled = 0;
1480 adapter->max_mc_count = 38;
1482 netdev->netdev_ops = &qlcnic_netdev_ops;
1483 netdev->watchdog_timeo = 5*HZ;
1485 qlcnic_change_mtu(netdev, netdev->mtu);
1487 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1489 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
1490 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
1492 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1493 netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
1495 netdev->hw_features |= NETIF_F_HIGHDMA;
1497 netdev->vlan_features = netdev->hw_features;
1499 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
1500 netdev->hw_features |= NETIF_F_HW_VLAN_TX;
1501 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1502 netdev->hw_features |= NETIF_F_LRO;
1504 netdev->features |= netdev->hw_features |
1505 NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
1507 netdev->irq = adapter->msix_entries[0].vector;
1509 err = register_netdev(netdev);
1511 dev_err(&pdev->dev, "failed to register net device\n");
1518 static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac)
1520 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1521 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1523 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1524 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1527 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1535 qlcnic_alloc_msix_entries(struct qlcnic_adapter *adapter, u16 count)
1537 adapter->msix_entries = kcalloc(count, sizeof(struct msix_entry),
1540 if (adapter->msix_entries)
1543 dev_err(&adapter->pdev->dev, "failed allocating msix_entries\n");
1547 static int __devinit
1548 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1550 struct net_device *netdev = NULL;
1551 struct qlcnic_adapter *adapter = NULL;
1553 uint8_t revision_id;
1554 uint8_t pci_using_dac;
1555 char brd_name[QLCNIC_MAX_BOARD_NAME_LEN];
1557 err = pci_enable_device(pdev);
1561 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1563 goto err_out_disable_pdev;
1566 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1568 goto err_out_disable_pdev;
1570 err = pci_request_regions(pdev, qlcnic_driver_name);
1572 goto err_out_disable_pdev;
1574 pci_set_master(pdev);
1575 pci_enable_pcie_error_reporting(pdev);
1577 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1580 goto err_out_free_res;
1583 SET_NETDEV_DEV(netdev, &pdev->dev);
1585 adapter = netdev_priv(netdev);
1586 adapter->netdev = netdev;
1587 adapter->pdev = pdev;
1589 if (qlcnic_alloc_adapter_resources(adapter))
1590 goto err_out_free_netdev;
1592 adapter->dev_rst_time = jiffies;
1593 revision_id = pdev->revision;
1594 adapter->ahw->revision_id = revision_id;
1595 adapter->mac_learn = qlcnic_mac_learn;
1597 rwlock_init(&adapter->ahw->crb_lock);
1598 mutex_init(&adapter->ahw->mem_lock);
1600 spin_lock_init(&adapter->tx_clean_lock);
1601 INIT_LIST_HEAD(&adapter->mac_list);
1603 err = qlcnic_setup_pci_map(adapter);
1605 goto err_out_free_hw;
1607 /* This will be reset for mezz cards */
1608 adapter->portnum = adapter->ahw->pci_func;
1610 err = qlcnic_get_board_info(adapter);
1612 dev_err(&pdev->dev, "Error getting board config info.\n");
1613 goto err_out_iounmap;
1616 err = qlcnic_setup_idc_param(adapter);
1618 goto err_out_iounmap;
1620 adapter->flags |= QLCNIC_NEED_FLR;
1622 err = adapter->nic_ops->start_firmware(adapter);
1624 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1625 goto err_out_decr_ref;
1628 if (qlcnic_read_mac_addr(adapter))
1629 dev_warn(&pdev->dev, "failed to read mac addr\n");
1631 if (adapter->portnum == 0) {
1632 get_brd_name(adapter, brd_name);
1634 pr_info("%s: %s Board Chip rev 0x%x\n",
1635 module_name(THIS_MODULE),
1636 brd_name, adapter->ahw->revision_id);
1639 qlcnic_clear_stats(adapter);
1641 err = qlcnic_alloc_msix_entries(adapter, adapter->max_rx_ques);
1643 goto err_out_decr_ref;
1645 qlcnic_setup_intr(adapter);
1647 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
1649 goto err_out_disable_msi;
1651 pci_set_drvdata(pdev, adapter);
1653 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1655 switch (adapter->ahw->port_type) {
1657 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1658 adapter->netdev->name);
1661 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1662 adapter->netdev->name);
1666 if (adapter->mac_learn)
1667 qlcnic_alloc_lb_filters_mem(adapter);
1669 qlcnic_create_diag_entries(adapter);
1673 err_out_disable_msi:
1674 qlcnic_teardown_intr(adapter);
1675 kfree(adapter->msix_entries);
1678 qlcnic_clr_all_drv_state(adapter, 0);
1681 qlcnic_cleanup_pci_map(adapter);
1684 qlcnic_free_adapter_resources(adapter);
1686 err_out_free_netdev:
1687 free_netdev(netdev);
1690 pci_release_regions(pdev);
1692 err_out_disable_pdev:
1693 pci_set_drvdata(pdev, NULL);
1694 pci_disable_device(pdev);
1698 static void __devexit qlcnic_remove(struct pci_dev *pdev)
1700 struct qlcnic_adapter *adapter;
1701 struct net_device *netdev;
1703 adapter = pci_get_drvdata(pdev);
1704 if (adapter == NULL)
1707 netdev = adapter->netdev;
1709 qlcnic_cancel_fw_work(adapter);
1711 unregister_netdev(netdev);
1713 qlcnic_detach(adapter);
1715 if (adapter->npars != NULL)
1716 kfree(adapter->npars);
1717 if (adapter->eswitch != NULL)
1718 kfree(adapter->eswitch);
1720 qlcnic_clr_all_drv_state(adapter, 0);
1722 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1724 qlcnic_free_lb_filters_mem(adapter);
1726 qlcnic_teardown_intr(adapter);
1727 kfree(adapter->msix_entries);
1729 qlcnic_remove_diag_entries(adapter);
1731 qlcnic_cleanup_pci_map(adapter);
1733 qlcnic_release_firmware(adapter);
1735 pci_disable_pcie_error_reporting(pdev);
1736 pci_release_regions(pdev);
1737 pci_disable_device(pdev);
1738 pci_set_drvdata(pdev, NULL);
1740 qlcnic_free_adapter_resources(adapter);
1741 free_netdev(netdev);
1743 static int __qlcnic_shutdown(struct pci_dev *pdev)
1745 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1746 struct net_device *netdev = adapter->netdev;
1749 netif_device_detach(netdev);
1751 qlcnic_cancel_fw_work(adapter);
1753 if (netif_running(netdev))
1754 qlcnic_down(adapter, netdev);
1756 qlcnic_clr_all_drv_state(adapter, 0);
1758 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1760 retval = pci_save_state(pdev);
1764 if (qlcnic_wol_supported(adapter)) {
1765 pci_enable_wake(pdev, PCI_D3cold, 1);
1766 pci_enable_wake(pdev, PCI_D3hot, 1);
1772 static void qlcnic_shutdown(struct pci_dev *pdev)
1774 if (__qlcnic_shutdown(pdev))
1777 pci_disable_device(pdev);
1782 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
1786 retval = __qlcnic_shutdown(pdev);
1790 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1795 qlcnic_resume(struct pci_dev *pdev)
1797 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1798 struct net_device *netdev = adapter->netdev;
1801 err = pci_enable_device(pdev);
1805 pci_set_power_state(pdev, PCI_D0);
1806 pci_set_master(pdev);
1807 pci_restore_state(pdev);
1809 err = adapter->nic_ops->start_firmware(adapter);
1811 dev_err(&pdev->dev, "failed to start firmware\n");
1815 if (netif_running(netdev)) {
1816 err = qlcnic_up(adapter, netdev);
1820 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1823 netif_device_attach(netdev);
1824 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1829 static int qlcnic_open(struct net_device *netdev)
1831 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1834 netif_carrier_off(netdev);
1836 err = qlcnic_attach(adapter);
1840 err = __qlcnic_up(adapter, netdev);
1844 netif_start_queue(netdev);
1849 qlcnic_detach(adapter);
1854 * qlcnic_close - Disables a network interface entry point
1856 static int qlcnic_close(struct net_device *netdev)
1858 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1860 __qlcnic_down(adapter, netdev);
1864 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
1869 if (adapter->fhash.fmax && adapter->fhash.fhead)
1872 spin_lock_init(&adapter->mac_learn_lock);
1874 head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head),
1879 adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS;
1880 adapter->fhash.fhead = head;
1882 for (i = 0; i < adapter->fhash.fmax; i++)
1883 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
1886 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
1888 if (adapter->fhash.fmax && adapter->fhash.fhead)
1889 kfree(adapter->fhash.fhead);
1891 adapter->fhash.fhead = NULL;
1892 adapter->fhash.fmax = 0;
1895 static void qlcnic_change_filter(struct qlcnic_adapter *adapter,
1896 u64 uaddr, __le16 vlan_id, struct qlcnic_host_tx_ring *tx_ring)
1898 struct cmd_desc_type0 *hwdesc;
1899 struct qlcnic_nic_req *req;
1900 struct qlcnic_mac_req *mac_req;
1901 struct qlcnic_vlan_req *vlan_req;
1905 producer = tx_ring->producer;
1906 hwdesc = &tx_ring->desc_head[tx_ring->producer];
1908 req = (struct qlcnic_nic_req *)hwdesc;
1909 memset(req, 0, sizeof(struct qlcnic_nic_req));
1910 req->qhdr = cpu_to_le64(QLCNIC_REQUEST << 23);
1912 word = QLCNIC_MAC_EVENT | ((u64)(adapter->portnum) << 16);
1913 req->req_hdr = cpu_to_le64(word);
1915 mac_req = (struct qlcnic_mac_req *)&(req->words[0]);
1916 mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD;
1917 memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN);
1919 vlan_req = (struct qlcnic_vlan_req *)&req->words[1];
1920 vlan_req->vlan_id = vlan_id;
1922 tx_ring->producer = get_next_index(producer, tx_ring->num_desc);
1926 #define QLCNIC_MAC_HASH(MAC)\
1927 ((((MAC) & 0x70000) >> 0x10) | (((MAC) & 0x70000000000ULL) >> 0x25))
1930 qlcnic_send_filter(struct qlcnic_adapter *adapter,
1931 struct qlcnic_host_tx_ring *tx_ring,
1932 struct cmd_desc_type0 *first_desc,
1933 struct sk_buff *skb)
1935 struct ethhdr *phdr = (struct ethhdr *)(skb->data);
1936 struct qlcnic_filter *fil, *tmp_fil;
1937 struct hlist_node *tmp_hnode, *n;
1938 struct hlist_head *head;
1943 if (!compare_ether_addr(phdr->h_source, adapter->mac_addr))
1946 if (adapter->fhash.fnum >= adapter->fhash.fmax)
1949 /* Only NPAR capable devices support vlan based learning*/
1950 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
1951 vlan_id = first_desc->vlan_TCI;
1952 memcpy(&src_addr, phdr->h_source, ETH_ALEN);
1953 hindex = QLCNIC_MAC_HASH(src_addr) & (QLCNIC_LB_MAX_FILTERS - 1);
1954 head = &(adapter->fhash.fhead[hindex]);
1956 hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) {
1957 if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) &&
1958 tmp_fil->vlan_id == vlan_id) {
1961 (QLCNIC_READD_AGE * HZ + tmp_fil->ftime))
1962 qlcnic_change_filter(adapter, src_addr, vlan_id,
1964 tmp_fil->ftime = jiffies;
1969 fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC);
1973 qlcnic_change_filter(adapter, src_addr, vlan_id, tx_ring);
1975 fil->ftime = jiffies;
1976 fil->vlan_id = vlan_id;
1977 memcpy(fil->faddr, &src_addr, ETH_ALEN);
1978 spin_lock(&adapter->mac_learn_lock);
1979 hlist_add_head(&(fil->fnode), head);
1980 adapter->fhash.fnum++;
1981 spin_unlock(&adapter->mac_learn_lock);
1985 qlcnic_tx_pkt(struct qlcnic_adapter *adapter,
1986 struct cmd_desc_type0 *first_desc,
1987 struct sk_buff *skb)
1989 u8 opcode = 0, hdr_len = 0;
1990 u16 flags = 0, vlan_tci = 0;
1991 int copied, offset, copy_len;
1992 struct cmd_desc_type0 *hwdesc;
1993 struct vlan_ethhdr *vh;
1994 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
1995 u16 protocol = ntohs(skb->protocol);
1996 u32 producer = tx_ring->producer;
1998 if (protocol == ETH_P_8021Q) {
1999 vh = (struct vlan_ethhdr *)skb->data;
2000 flags = FLAGS_VLAN_TAGGED;
2001 vlan_tci = vh->h_vlan_TCI;
2002 } else if (vlan_tx_tag_present(skb)) {
2003 flags = FLAGS_VLAN_OOB;
2004 vlan_tci = vlan_tx_tag_get(skb);
2006 if (unlikely(adapter->pvid)) {
2007 if (vlan_tci && !(adapter->flags & QLCNIC_TAGGING_ENABLED))
2009 if (vlan_tci && (adapter->flags & QLCNIC_TAGGING_ENABLED))
2012 flags = FLAGS_VLAN_OOB;
2013 vlan_tci = adapter->pvid;
2016 qlcnic_set_tx_vlan_tci(first_desc, vlan_tci);
2017 qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
2019 if (*(skb->data) & BIT_0) {
2021 memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN);
2023 opcode = TX_ETHER_PKT;
2024 if ((adapter->netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
2025 skb_shinfo(skb)->gso_size > 0) {
2027 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
2029 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
2030 first_desc->total_hdr_length = hdr_len;
2032 opcode = (protocol == ETH_P_IPV6) ? TX_TCP_LSO6 : TX_TCP_LSO;
2034 /* For LSO, we need to copy the MAC/IP/TCP headers into
2035 * the descriptor ring */
2039 if (flags & FLAGS_VLAN_OOB) {
2040 first_desc->total_hdr_length += VLAN_HLEN;
2041 first_desc->tcp_hdr_offset = VLAN_HLEN;
2042 first_desc->ip_hdr_offset = VLAN_HLEN;
2043 /* Only in case of TSO on vlan device */
2044 flags |= FLAGS_VLAN_TAGGED;
2046 /* Create a TSO vlan header template for firmware */
2048 hwdesc = &tx_ring->desc_head[producer];
2049 tx_ring->cmd_buf_arr[producer].skb = NULL;
2051 copy_len = min((int)sizeof(struct cmd_desc_type0) -
2052 offset, hdr_len + VLAN_HLEN);
2054 vh = (struct vlan_ethhdr *)((char *) hwdesc + 2);
2055 skb_copy_from_linear_data(skb, vh, 12);
2056 vh->h_vlan_proto = htons(ETH_P_8021Q);
2057 vh->h_vlan_TCI = htons(vlan_tci);
2059 skb_copy_from_linear_data_offset(skb, 12,
2060 (char *)vh + 16, copy_len - 16);
2062 copied = copy_len - VLAN_HLEN;
2065 producer = get_next_index(producer, tx_ring->num_desc);
2068 while (copied < hdr_len) {
2070 copy_len = min((int)sizeof(struct cmd_desc_type0) -
2071 offset, (hdr_len - copied));
2073 hwdesc = &tx_ring->desc_head[producer];
2074 tx_ring->cmd_buf_arr[producer].skb = NULL;
2076 skb_copy_from_linear_data_offset(skb, copied,
2077 (char *) hwdesc + offset, copy_len);
2082 producer = get_next_index(producer, tx_ring->num_desc);
2085 tx_ring->producer = producer;
2087 adapter->stats.lso_frames++;
2089 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
2092 if (protocol == ETH_P_IP) {
2093 l4proto = ip_hdr(skb)->protocol;
2095 if (l4proto == IPPROTO_TCP)
2096 opcode = TX_TCP_PKT;
2097 else if (l4proto == IPPROTO_UDP)
2098 opcode = TX_UDP_PKT;
2099 } else if (protocol == ETH_P_IPV6) {
2100 l4proto = ipv6_hdr(skb)->nexthdr;
2102 if (l4proto == IPPROTO_TCP)
2103 opcode = TX_TCPV6_PKT;
2104 else if (l4proto == IPPROTO_UDP)
2105 opcode = TX_UDPV6_PKT;
2108 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
2109 first_desc->ip_hdr_offset += skb_network_offset(skb);
2110 qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
2116 qlcnic_map_tx_skb(struct pci_dev *pdev,
2117 struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf)
2119 struct qlcnic_skb_frag *nf;
2120 struct skb_frag_struct *frag;
2124 nr_frags = skb_shinfo(skb)->nr_frags;
2125 nf = &pbuf->frag_array[0];
2127 map = pci_map_single(pdev, skb->data,
2128 skb_headlen(skb), PCI_DMA_TODEVICE);
2129 if (pci_dma_mapping_error(pdev, map))
2133 nf->length = skb_headlen(skb);
2135 for (i = 0; i < nr_frags; i++) {
2136 frag = &skb_shinfo(skb)->frags[i];
2137 nf = &pbuf->frag_array[i+1];
2139 map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
2141 if (dma_mapping_error(&pdev->dev, map))
2145 nf->length = skb_frag_size(frag);
2152 nf = &pbuf->frag_array[i+1];
2153 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2156 nf = &pbuf->frag_array[0];
2157 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2164 qlcnic_unmap_buffers(struct pci_dev *pdev, struct sk_buff *skb,
2165 struct qlcnic_cmd_buffer *pbuf)
2167 struct qlcnic_skb_frag *nf = &pbuf->frag_array[0];
2168 int nr_frags = skb_shinfo(skb)->nr_frags;
2171 for (i = 0; i < nr_frags; i++) {
2172 nf = &pbuf->frag_array[i+1];
2173 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2176 nf = &pbuf->frag_array[0];
2177 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2182 qlcnic_clear_cmddesc(u64 *desc)
2190 qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2192 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2193 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2194 struct qlcnic_cmd_buffer *pbuf;
2195 struct qlcnic_skb_frag *buffrag;
2196 struct cmd_desc_type0 *hwdesc, *first_desc;
2197 struct pci_dev *pdev;
2198 struct ethhdr *phdr;
2204 u32 num_txd = tx_ring->num_desc;
2206 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
2207 netif_stop_queue(netdev);
2208 return NETDEV_TX_BUSY;
2211 if (adapter->flags & QLCNIC_MACSPOOF) {
2212 phdr = (struct ethhdr *)skb->data;
2213 if (compare_ether_addr(phdr->h_source,
2218 frag_count = skb_shinfo(skb)->nr_frags + 1;
2219 /* 14 frags supported for normal packet and
2220 * 32 frags supported for TSO packet
2222 if (!skb_is_gso(skb) && frag_count > QLCNIC_MAX_FRAGS_PER_TX) {
2224 for (i = 0; i < (frag_count - QLCNIC_MAX_FRAGS_PER_TX); i++)
2225 delta += skb_frag_size(&skb_shinfo(skb)->frags[i]);
2227 if (!__pskb_pull_tail(skb, delta))
2230 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2233 if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
2234 netif_stop_queue(netdev);
2235 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH)
2236 netif_start_queue(netdev);
2238 adapter->stats.xmit_off++;
2239 return NETDEV_TX_BUSY;
2243 producer = tx_ring->producer;
2244 pbuf = &tx_ring->cmd_buf_arr[producer];
2246 pdev = adapter->pdev;
2248 first_desc = hwdesc = &tx_ring->desc_head[producer];
2249 qlcnic_clear_cmddesc((u64 *)hwdesc);
2251 if (qlcnic_map_tx_skb(pdev, skb, pbuf)) {
2252 adapter->stats.tx_dma_map_error++;
2257 pbuf->frag_count = frag_count;
2259 qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len);
2260 qlcnic_set_tx_port(first_desc, adapter->portnum);
2262 for (i = 0; i < frag_count; i++) {
2266 if ((k == 0) && (i > 0)) {
2267 /* move to next desc.*/
2268 producer = get_next_index(producer, num_txd);
2269 hwdesc = &tx_ring->desc_head[producer];
2270 qlcnic_clear_cmddesc((u64 *)hwdesc);
2271 tx_ring->cmd_buf_arr[producer].skb = NULL;
2274 buffrag = &pbuf->frag_array[i];
2276 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2279 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2282 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2285 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2288 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2293 tx_ring->producer = get_next_index(producer, num_txd);
2296 if (unlikely(qlcnic_tx_pkt(adapter, first_desc, skb)))
2299 if (adapter->mac_learn)
2300 qlcnic_send_filter(adapter, tx_ring, first_desc, skb);
2302 adapter->stats.txbytes += skb->len;
2303 adapter->stats.xmitcalled++;
2305 qlcnic_update_cmd_producer(adapter, tx_ring);
2307 return NETDEV_TX_OK;
2310 qlcnic_unmap_buffers(pdev, skb, pbuf);
2312 adapter->stats.txdropped++;
2313 dev_kfree_skb_any(skb);
2314 return NETDEV_TX_OK;
2317 static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2319 struct net_device *netdev = adapter->netdev;
2320 u32 temp, temp_state, temp_val;
2323 temp = QLCRD32(adapter, CRB_TEMP_STATE);
2325 temp_state = qlcnic_get_temp_state(temp);
2326 temp_val = qlcnic_get_temp_val(temp);
2328 if (temp_state == QLCNIC_TEMP_PANIC) {
2329 dev_err(&netdev->dev,
2330 "Device temperature %d degrees C exceeds"
2331 " maximum allowed. Hardware has been shut down.\n",
2334 } else if (temp_state == QLCNIC_TEMP_WARN) {
2335 if (adapter->temp == QLCNIC_TEMP_NORMAL) {
2336 dev_err(&netdev->dev,
2337 "Device temperature %d degrees C "
2338 "exceeds operating range."
2339 " Immediate action needed.\n",
2343 if (adapter->temp == QLCNIC_TEMP_WARN) {
2344 dev_info(&netdev->dev,
2345 "Device temperature is now %d degrees C"
2346 " in normal range.\n", temp_val);
2349 adapter->temp = temp_state;
2353 void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup)
2355 struct net_device *netdev = adapter->netdev;
2357 if (adapter->ahw->linkup && !linkup) {
2358 netdev_info(netdev, "NIC Link is down\n");
2359 adapter->ahw->linkup = 0;
2360 if (netif_running(netdev)) {
2361 netif_carrier_off(netdev);
2362 netif_stop_queue(netdev);
2364 } else if (!adapter->ahw->linkup && linkup) {
2365 netdev_info(netdev, "NIC Link is up\n");
2366 adapter->ahw->linkup = 1;
2367 if (netif_running(netdev)) {
2368 netif_carrier_on(netdev);
2369 netif_wake_queue(netdev);
2374 static void qlcnic_tx_timeout(struct net_device *netdev)
2376 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2378 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2381 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2383 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
2384 adapter->need_fw_reset = 1;
2386 adapter->reset_context = 1;
2389 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2391 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2392 struct net_device_stats *stats = &netdev->stats;
2394 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2395 stats->tx_packets = adapter->stats.xmitfinished;
2396 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2397 stats->tx_bytes = adapter->stats.txbytes;
2398 stats->rx_dropped = adapter->stats.rxdropped;
2399 stats->tx_dropped = adapter->stats.txdropped;
2404 static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
2408 status = readl(adapter->isr_int_vec);
2410 if (!(status & adapter->int_vec_bit))
2413 /* check interrupt state machine, to be sure */
2414 status = readl(adapter->crb_int_state_reg);
2415 if (!ISR_LEGACY_INT_TRIGGERED(status))
2418 writel(0xffffffff, adapter->tgt_status_reg);
2419 /* read twice to ensure write is flushed */
2420 readl(adapter->isr_int_vec);
2421 readl(adapter->isr_int_vec);
2426 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2428 struct qlcnic_host_sds_ring *sds_ring = data;
2429 struct qlcnic_adapter *adapter = sds_ring->adapter;
2431 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2433 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2434 writel(0xffffffff, adapter->tgt_status_reg);
2438 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2442 adapter->diag_cnt++;
2443 qlcnic_enable_int(sds_ring);
2447 static irqreturn_t qlcnic_intr(int irq, void *data)
2449 struct qlcnic_host_sds_ring *sds_ring = data;
2450 struct qlcnic_adapter *adapter = sds_ring->adapter;
2452 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2455 napi_schedule(&sds_ring->napi);
2460 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2462 struct qlcnic_host_sds_ring *sds_ring = data;
2463 struct qlcnic_adapter *adapter = sds_ring->adapter;
2465 /* clear interrupt */
2466 writel(0xffffffff, adapter->tgt_status_reg);
2468 napi_schedule(&sds_ring->napi);
2472 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2474 struct qlcnic_host_sds_ring *sds_ring = data;
2476 napi_schedule(&sds_ring->napi);
2480 static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter)
2482 u32 sw_consumer, hw_consumer;
2484 struct qlcnic_cmd_buffer *buffer;
2485 struct pci_dev *pdev = adapter->pdev;
2486 struct net_device *netdev = adapter->netdev;
2487 struct qlcnic_skb_frag *frag;
2489 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2491 if (!spin_trylock(&adapter->tx_clean_lock))
2494 sw_consumer = tx_ring->sw_consumer;
2495 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2497 while (sw_consumer != hw_consumer) {
2498 buffer = &tx_ring->cmd_buf_arr[sw_consumer];
2500 frag = &buffer->frag_array[0];
2501 pci_unmap_single(pdev, frag->dma, frag->length,
2504 for (i = 1; i < buffer->frag_count; i++) {
2506 pci_unmap_page(pdev, frag->dma, frag->length,
2511 adapter->stats.xmitfinished++;
2512 dev_kfree_skb_any(buffer->skb);
2516 sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc);
2517 if (++count >= MAX_STATUS_HANDLE)
2521 if (count && netif_running(netdev)) {
2522 tx_ring->sw_consumer = sw_consumer;
2526 if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) {
2527 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) {
2528 netif_wake_queue(netdev);
2529 adapter->stats.xmit_on++;
2532 adapter->tx_timeo_cnt = 0;
2535 * If everything is freed up to consumer then check if the ring is full
2536 * If the ring is full then check if more needs to be freed and
2537 * schedule the call back again.
2539 * This happens when there are 2 CPUs. One could be freeing and the
2540 * other filling it. If the ring is full when we get out of here and
2541 * the card has already interrupted the host then the host can miss the
2544 * There is still a possible race condition and the host could miss an
2545 * interrupt. The card has to take care of this.
2547 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2548 done = (sw_consumer == hw_consumer);
2549 spin_unlock(&adapter->tx_clean_lock);
2554 static int qlcnic_poll(struct napi_struct *napi, int budget)
2556 struct qlcnic_host_sds_ring *sds_ring =
2557 container_of(napi, struct qlcnic_host_sds_ring, napi);
2559 struct qlcnic_adapter *adapter = sds_ring->adapter;
2564 tx_complete = qlcnic_process_cmd_ring(adapter);
2566 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2568 if ((work_done < budget) && tx_complete) {
2569 napi_complete(&sds_ring->napi);
2570 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2571 qlcnic_enable_int(sds_ring);
2577 static int qlcnic_rx_poll(struct napi_struct *napi, int budget)
2579 struct qlcnic_host_sds_ring *sds_ring =
2580 container_of(napi, struct qlcnic_host_sds_ring, napi);
2582 struct qlcnic_adapter *adapter = sds_ring->adapter;
2585 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2587 if (work_done < budget) {
2588 napi_complete(&sds_ring->napi);
2589 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2590 qlcnic_enable_int(sds_ring);
2596 #ifdef CONFIG_NET_POLL_CONTROLLER
2597 static void qlcnic_poll_controller(struct net_device *netdev)
2600 struct qlcnic_host_sds_ring *sds_ring;
2601 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2602 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2604 disable_irq(adapter->irq);
2605 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2606 sds_ring = &recv_ctx->sds_rings[ring];
2607 qlcnic_intr(adapter->irq, sds_ring);
2609 enable_irq(adapter->irq);
2614 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2618 val = adapter->portnum & 0xf;
2619 val |= encoding << 7;
2620 val |= (jiffies - adapter->dev_rst_time) << 8;
2622 QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2623 adapter->dev_rst_time = jiffies;
2627 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2631 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2632 state != QLCNIC_DEV_NEED_QUISCENT);
2634 if (qlcnic_api_lock(adapter))
2637 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2639 if (state == QLCNIC_DEV_NEED_RESET)
2640 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2641 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2642 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2644 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2646 qlcnic_api_unlock(adapter);
2652 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2656 if (qlcnic_api_lock(adapter))
2659 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2660 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2661 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2663 qlcnic_api_unlock(adapter);
2669 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2673 if (qlcnic_api_lock(adapter))
2676 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2677 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2678 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2681 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
2682 dev_info(&adapter->pdev->dev,
2683 "Device state set to Failed. Please Reboot\n");
2684 } else if (!(val & 0x11111111))
2685 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD);
2687 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2688 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2689 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2691 qlcnic_api_unlock(adapter);
2693 adapter->fw_fail_cnt = 0;
2694 adapter->flags &= ~QLCNIC_FW_HANG;
2695 clear_bit(__QLCNIC_START_FW, &adapter->state);
2696 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2699 /* Grab api lock, before checking state */
2701 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2703 int act, state, active_mask;
2705 state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2706 act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2708 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
2709 active_mask = (~(1 << (adapter->ahw->pci_func * 4)));
2710 act = act & active_mask;
2713 if (((state & 0x11111111) == (act & 0x11111111)) ||
2714 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2720 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2722 u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2724 if (val != QLCNIC_DRV_IDC_VER) {
2725 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2726 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2733 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2735 u32 val, prev_state;
2736 u8 dev_init_timeo = adapter->dev_init_timeo;
2737 u8 portnum = adapter->portnum;
2740 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2743 if (qlcnic_api_lock(adapter))
2746 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2747 if (!(val & (1 << (portnum * 4)))) {
2748 QLC_DEV_SET_REF_CNT(val, portnum);
2749 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2752 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2753 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2755 switch (prev_state) {
2756 case QLCNIC_DEV_COLD:
2757 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
2758 QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
2759 qlcnic_idc_debug_info(adapter, 0);
2760 qlcnic_api_unlock(adapter);
2763 case QLCNIC_DEV_READY:
2764 ret = qlcnic_check_idc_ver(adapter);
2765 qlcnic_api_unlock(adapter);
2768 case QLCNIC_DEV_NEED_RESET:
2769 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2770 QLC_DEV_SET_RST_RDY(val, portnum);
2771 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2774 case QLCNIC_DEV_NEED_QUISCENT:
2775 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2776 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2777 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2780 case QLCNIC_DEV_FAILED:
2781 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2782 qlcnic_api_unlock(adapter);
2785 case QLCNIC_DEV_INITIALIZING:
2786 case QLCNIC_DEV_QUISCENT:
2790 qlcnic_api_unlock(adapter);
2794 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2796 if (prev_state == QLCNIC_DEV_QUISCENT)
2798 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2800 if (!dev_init_timeo) {
2801 dev_err(&adapter->pdev->dev,
2802 "Waiting for device to initialize timeout\n");
2806 if (qlcnic_api_lock(adapter))
2809 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2810 QLC_DEV_CLR_RST_QSCNT(val, portnum);
2811 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2813 ret = qlcnic_check_idc_ver(adapter);
2814 qlcnic_api_unlock(adapter);
2820 qlcnic_fwinit_work(struct work_struct *work)
2822 struct qlcnic_adapter *adapter = container_of(work,
2823 struct qlcnic_adapter, fw_work.work);
2824 u32 dev_state = 0xf;
2827 if (qlcnic_api_lock(adapter))
2830 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2831 if (dev_state == QLCNIC_DEV_QUISCENT ||
2832 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2833 qlcnic_api_unlock(adapter);
2834 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2839 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
2840 qlcnic_api_unlock(adapter);
2844 if (dev_state == QLCNIC_DEV_INITIALIZING ||
2845 dev_state == QLCNIC_DEV_READY) {
2846 dev_info(&adapter->pdev->dev, "Detected state change from "
2847 "DEV_NEED_RESET, skipping ack check\n");
2848 goto skip_ack_check;
2851 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2852 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2853 adapter->reset_ack_timeo);
2854 goto skip_ack_check;
2857 if (!qlcnic_check_drv_state(adapter)) {
2859 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2861 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2862 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2863 QLCNIC_DEV_INITIALIZING);
2864 set_bit(__QLCNIC_START_FW, &adapter->state);
2865 QLCDB(adapter, DRV, "Restarting fw\n");
2866 qlcnic_idc_debug_info(adapter, 0);
2867 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2868 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2869 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2872 qlcnic_api_unlock(adapter);
2875 if (adapter->ahw->fw_dump.enable &&
2876 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2877 QLCDB(adapter, DRV, "Take FW dump\n");
2878 qlcnic_dump_fw(adapter);
2879 adapter->flags |= QLCNIC_FW_HANG;
2883 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
2884 if (!adapter->nic_ops->start_firmware(adapter)) {
2885 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2886 adapter->fw_wait_cnt = 0;
2892 qlcnic_api_unlock(adapter);
2895 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2896 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2898 switch (dev_state) {
2899 case QLCNIC_DEV_READY:
2900 if (!adapter->nic_ops->start_firmware(adapter)) {
2901 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2902 adapter->fw_wait_cnt = 0;
2905 case QLCNIC_DEV_FAILED:
2908 qlcnic_schedule_work(adapter,
2909 qlcnic_fwinit_work, FW_POLL_DELAY);
2914 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2915 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2916 netif_device_attach(adapter->netdev);
2917 qlcnic_clr_all_drv_state(adapter, 0);
2921 qlcnic_detach_work(struct work_struct *work)
2923 struct qlcnic_adapter *adapter = container_of(work,
2924 struct qlcnic_adapter, fw_work.work);
2925 struct net_device *netdev = adapter->netdev;
2928 netif_device_detach(netdev);
2930 /* Dont grab rtnl lock during Quiscent mode */
2931 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2932 if (netif_running(netdev))
2933 __qlcnic_down(adapter, netdev);
2935 qlcnic_down(adapter, netdev);
2937 status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2939 if (status & QLCNIC_RCODE_FATAL_ERROR) {
2940 dev_err(&adapter->pdev->dev,
2941 "Detaching the device: peg halt status1=0x%x\n",
2944 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
2945 dev_err(&adapter->pdev->dev,
2946 "On board active cooling fan failed. "
2947 "Device has been halted.\n");
2948 dev_err(&adapter->pdev->dev,
2949 "Replace the adapter.\n");
2955 if (adapter->temp == QLCNIC_TEMP_PANIC) {
2956 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
2961 /* Dont ack if this instance is the reset owner */
2962 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
2963 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
2964 dev_err(&adapter->pdev->dev,
2965 "Failed to set driver state,"
2966 "detaching the device.\n");
2971 adapter->fw_wait_cnt = 0;
2973 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2978 netif_device_attach(netdev);
2979 qlcnic_clr_all_drv_state(adapter, 1);
2982 /*Transit NPAR state to NON Operational */
2984 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2988 state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2989 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2992 if (qlcnic_api_lock(adapter))
2994 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2995 qlcnic_api_unlock(adapter);
2998 /*Transit to RESET state from READY state only */
3000 qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
3004 adapter->need_fw_reset = 1;
3005 if (qlcnic_api_lock(adapter))
3008 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
3010 if (state == QLCNIC_DEV_READY) {
3011 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
3012 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3013 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3014 qlcnic_idc_debug_info(adapter, 0);
3017 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
3018 qlcnic_api_unlock(adapter);
3021 /* Transit to NPAR READY state from NPAR NOT READY state */
3023 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3025 if (qlcnic_api_lock(adapter))
3028 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER);
3029 QLCDB(adapter, DRV, "NPAR operational state set\n");
3031 qlcnic_api_unlock(adapter);
3035 qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3036 work_func_t func, int delay)
3038 if (test_bit(__QLCNIC_AER, &adapter->state))
3041 INIT_DELAYED_WORK(&adapter->fw_work, func);
3042 queue_delayed_work(qlcnic_wq, &adapter->fw_work,
3043 round_jiffies_relative(delay));
3047 qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
3049 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
3052 cancel_delayed_work_sync(&adapter->fw_work);
3056 qlcnic_attach_work(struct work_struct *work)
3058 struct qlcnic_adapter *adapter = container_of(work,
3059 struct qlcnic_adapter, fw_work.work);
3060 struct net_device *netdev = adapter->netdev;
3063 if (adapter->op_mode != QLCNIC_MGMT_FUNC) {
3064 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3065 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3066 qlcnic_clr_all_drv_state(adapter, 0);
3067 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3068 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3072 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3076 if (netif_running(netdev)) {
3077 if (qlcnic_up(adapter, netdev))
3080 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3084 netif_device_attach(netdev);
3085 adapter->fw_fail_cnt = 0;
3086 adapter->flags &= ~QLCNIC_FW_HANG;
3087 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3089 if (!qlcnic_clr_drv_state(adapter))
3090 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3095 qlcnic_check_health(struct qlcnic_adapter *adapter)
3097 u32 state = 0, heartbeat;
3100 if (qlcnic_check_temp(adapter))
3103 if (adapter->need_fw_reset)
3104 qlcnic_dev_request_reset(adapter);
3106 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
3107 if (state == QLCNIC_DEV_NEED_RESET) {
3108 qlcnic_set_npar_non_operational(adapter);
3109 adapter->need_fw_reset = 1;
3110 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3113 heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3114 if (heartbeat != adapter->heartbeat) {
3115 adapter->heartbeat = heartbeat;
3116 adapter->fw_fail_cnt = 0;
3117 if (adapter->need_fw_reset)
3120 if (adapter->reset_context && auto_fw_reset) {
3121 qlcnic_reset_hw_context(adapter);
3122 adapter->netdev->trans_start = jiffies;
3128 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3131 adapter->flags |= QLCNIC_FW_HANG;
3133 qlcnic_dev_request_reset(adapter);
3136 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3138 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3139 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3140 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3141 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3142 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3143 "PEG_NET_4_PC: 0x%x\n",
3144 QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1),
3145 QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3146 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
3147 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
3148 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
3149 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
3150 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
3151 peg_status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3152 if (LSW(MSB(peg_status)) == 0x67)
3153 dev_err(&adapter->pdev->dev,
3154 "Firmware aborted with error code 0x00006700. "
3155 "Device is being reset.\n");
3157 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3158 QLCNIC_DEV_NEED_RESET;
3160 if (auto_fw_reset &&
3161 !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) {
3163 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3164 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3171 qlcnic_fw_poll_work(struct work_struct *work)
3173 struct qlcnic_adapter *adapter = container_of(work,
3174 struct qlcnic_adapter, fw_work.work);
3176 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3180 if (qlcnic_check_health(adapter))
3183 if (adapter->fhash.fnum)
3184 qlcnic_prune_lb_filters(adapter);
3187 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3190 static int qlcnic_is_first_func(struct pci_dev *pdev)
3192 struct pci_dev *oth_pdev;
3193 int val = pdev->devfn;
3196 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3197 (pdev->bus), pdev->bus->number,
3198 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3202 if (oth_pdev->current_state != PCI_D3cold) {
3203 pci_dev_put(oth_pdev);
3206 pci_dev_put(oth_pdev);
3211 static int qlcnic_attach_func(struct pci_dev *pdev)
3213 int err, first_func;
3214 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3215 struct net_device *netdev = adapter->netdev;
3217 pdev->error_state = pci_channel_io_normal;
3219 err = pci_enable_device(pdev);
3223 pci_set_power_state(pdev, PCI_D0);
3224 pci_set_master(pdev);
3225 pci_restore_state(pdev);
3227 first_func = qlcnic_is_first_func(pdev);
3229 if (qlcnic_api_lock(adapter))
3232 if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3233 adapter->need_fw_reset = 1;
3234 set_bit(__QLCNIC_START_FW, &adapter->state);
3235 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
3236 QLCDB(adapter, DRV, "Restarting fw\n");
3238 qlcnic_api_unlock(adapter);
3240 err = adapter->nic_ops->start_firmware(adapter);
3244 qlcnic_clr_drv_state(adapter);
3245 qlcnic_setup_intr(adapter);
3247 if (netif_running(netdev)) {
3248 err = qlcnic_attach(adapter);
3250 qlcnic_clr_all_drv_state(adapter, 1);
3251 clear_bit(__QLCNIC_AER, &adapter->state);
3252 netif_device_attach(netdev);
3256 err = qlcnic_up(adapter, netdev);
3260 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3263 netif_device_attach(netdev);
3267 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3268 pci_channel_state_t state)
3270 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3271 struct net_device *netdev = adapter->netdev;
3273 if (state == pci_channel_io_perm_failure)
3274 return PCI_ERS_RESULT_DISCONNECT;
3276 if (state == pci_channel_io_normal)
3277 return PCI_ERS_RESULT_RECOVERED;
3279 set_bit(__QLCNIC_AER, &adapter->state);
3280 netif_device_detach(netdev);
3282 cancel_delayed_work_sync(&adapter->fw_work);
3284 if (netif_running(netdev))
3285 qlcnic_down(adapter, netdev);
3287 qlcnic_detach(adapter);
3288 qlcnic_teardown_intr(adapter);
3290 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3292 pci_save_state(pdev);
3293 pci_disable_device(pdev);
3295 return PCI_ERS_RESULT_NEED_RESET;
3298 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3300 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3301 PCI_ERS_RESULT_RECOVERED;
3304 static void qlcnic_io_resume(struct pci_dev *pdev)
3306 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3308 pci_cleanup_aer_uncorrect_error_status(pdev);
3310 if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY &&
3311 test_and_clear_bit(__QLCNIC_AER, &adapter->state))
3312 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3317 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3321 err = qlcnic_can_start_firmware(adapter);
3325 err = qlcnic_check_npar_opertional(adapter);
3329 err = qlcnic_initialize_nic(adapter);
3333 qlcnic_check_options(adapter);
3335 err = qlcnic_set_eswitch_port_config(adapter);
3339 adapter->need_fw_reset = 0;
3345 qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
3351 qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
3357 qlcnic_store_bridged_mode(struct device *dev,
3358 struct device_attribute *attr, const char *buf, size_t len)
3360 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3364 if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG))
3367 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3370 if (strict_strtoul(buf, 2, &new))
3373 if (!adapter->nic_ops->config_bridged_mode(adapter, !!new))
3381 qlcnic_show_bridged_mode(struct device *dev,
3382 struct device_attribute *attr, char *buf)
3384 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3385 int bridged_mode = 0;
3387 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
3388 bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED);
3390 return sprintf(buf, "%d\n", bridged_mode);
3393 static struct device_attribute dev_attr_bridged_mode = {
3394 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
3395 .show = qlcnic_show_bridged_mode,
3396 .store = qlcnic_store_bridged_mode,
3400 qlcnic_store_diag_mode(struct device *dev,
3401 struct device_attribute *attr, const char *buf, size_t len)
3403 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3406 if (strict_strtoul(buf, 2, &new))
3409 if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED))
3410 adapter->flags ^= QLCNIC_DIAG_ENABLED;
3416 qlcnic_show_diag_mode(struct device *dev,
3417 struct device_attribute *attr, char *buf)
3419 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3421 return sprintf(buf, "%d\n",
3422 !!(adapter->flags & QLCNIC_DIAG_ENABLED));
3425 static struct device_attribute dev_attr_diag_mode = {
3426 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
3427 .show = qlcnic_show_diag_mode,
3428 .store = qlcnic_store_diag_mode,
3431 int qlcnic_validate_max_rss(struct net_device *netdev, u8 max_hw, u8 val)
3433 if (!use_msi_x && !use_msi) {
3434 netdev_info(netdev, "no msix or msi support, hence no rss\n");
3438 if ((val > max_hw) || (val < 2) || !is_power_of_2(val)) {
3439 netdev_info(netdev, "rss_ring valid range [2 - %x] in "
3440 " powers of 2\n", max_hw);
3447 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data)
3449 struct net_device *netdev = adapter->netdev;
3452 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
3455 netif_device_detach(netdev);
3456 if (netif_running(netdev))
3457 __qlcnic_down(adapter, netdev);
3458 qlcnic_detach(adapter);
3459 qlcnic_teardown_intr(adapter);
3461 if (qlcnic_enable_msix(adapter, data)) {
3462 netdev_info(netdev, "failed setting max_rss; rss disabled\n");
3463 qlcnic_enable_msi_legacy(adapter);
3466 if (netif_running(netdev)) {
3467 err = qlcnic_attach(adapter);
3470 err = __qlcnic_up(adapter, netdev);
3473 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3476 netif_device_attach(netdev);
3477 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3482 qlcnic_validate_beacon(struct qlcnic_adapter *adapter, u16 beacon, u8 *state,
3485 *rate = LSB(beacon);
3486 *state = MSB(beacon);
3488 QLCDB(adapter, DRV, "rate %x state %x\n", *rate, *state);
3491 *rate = __QLCNIC_MAX_LED_RATE;
3493 } else if (*state > __QLCNIC_MAX_LED_STATE)
3496 if ((!*rate) || (*rate > __QLCNIC_MAX_LED_RATE))
3503 qlcnic_store_beacon(struct device *dev,
3504 struct device_attribute *attr, const char *buf, size_t len)
3506 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3507 int max_sds_rings = adapter->max_sds_rings;
3512 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
3513 dev_warn(dev, "LED test not supported for non "
3514 "privilege function\n");
3518 if (len != sizeof(u16))
3519 return QL_STATUS_INVALID_PARAM;
3521 memcpy(&beacon, buf, sizeof(u16));
3522 err = qlcnic_validate_beacon(adapter, beacon, &b_state, &b_rate);
3526 if (adapter->ahw->beacon_state == b_state)
3531 if (!adapter->ahw->beacon_state)
3532 if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state)) {
3537 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
3542 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
3543 err = qlcnic_diag_alloc_res(adapter->netdev, QLCNIC_LED_TEST);
3546 set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state);
3549 err = qlcnic_config_led(adapter, b_state, b_rate);
3553 adapter->ahw->beacon_state = b_state;
3556 if (test_and_clear_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state))
3557 qlcnic_diag_free_res(adapter->netdev, max_sds_rings);
3560 if (!adapter->ahw->beacon_state)
3561 clear_bit(__QLCNIC_LED_ENABLE, &adapter->state);
3568 qlcnic_show_beacon(struct device *dev,
3569 struct device_attribute *attr, char *buf)
3571 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3573 return sprintf(buf, "%d\n", adapter->ahw->beacon_state);
3576 static struct device_attribute dev_attr_beacon = {
3577 .attr = {.name = "beacon", .mode = (S_IRUGO | S_IWUSR)},
3578 .show = qlcnic_show_beacon,
3579 .store = qlcnic_store_beacon,
3583 qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter,
3584 loff_t offset, size_t size)
3586 size_t crb_size = 4;
3588 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3591 if (offset < QLCNIC_PCI_CRBSPACE) {
3592 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM,
3593 QLCNIC_PCI_CAMQM_END))
3599 if ((size != crb_size) || (offset & (crb_size-1)))
3606 qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj,
3607 struct bin_attribute *attr,
3608 char *buf, loff_t offset, size_t size)
3610 struct device *dev = container_of(kobj, struct device, kobj);
3611 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3616 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3620 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3621 qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata);
3622 memcpy(buf, &qmdata, size);
3624 data = QLCRD32(adapter, offset);
3625 memcpy(buf, &data, size);
3631 qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj,
3632 struct bin_attribute *attr,
3633 char *buf, loff_t offset, size_t size)
3635 struct device *dev = container_of(kobj, struct device, kobj);
3636 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3641 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3645 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3646 memcpy(&qmdata, buf, size);
3647 qlcnic_pci_camqm_write_2M(adapter, offset, qmdata);
3649 memcpy(&data, buf, size);
3650 QLCWR32(adapter, offset, data);
3656 qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter,
3657 loff_t offset, size_t size)
3659 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3662 if ((size != 8) || (offset & 0x7))
3669 qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj,
3670 struct bin_attribute *attr,
3671 char *buf, loff_t offset, size_t size)
3673 struct device *dev = container_of(kobj, struct device, kobj);
3674 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3678 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3682 if (qlcnic_pci_mem_read_2M(adapter, offset, &data))
3685 memcpy(buf, &data, size);
3691 qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj,
3692 struct bin_attribute *attr,
3693 char *buf, loff_t offset, size_t size)
3695 struct device *dev = container_of(kobj, struct device, kobj);
3696 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3700 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3704 memcpy(&data, buf, size);
3706 if (qlcnic_pci_mem_write_2M(adapter, offset, data))
3712 static struct bin_attribute bin_attr_crb = {
3713 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
3715 .read = qlcnic_sysfs_read_crb,
3716 .write = qlcnic_sysfs_write_crb,
3719 static struct bin_attribute bin_attr_mem = {
3720 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
3722 .read = qlcnic_sysfs_read_mem,
3723 .write = qlcnic_sysfs_write_mem,
3727 validate_pm_config(struct qlcnic_adapter *adapter,
3728 struct qlcnic_pm_func_cfg *pm_cfg, int count)
3731 u8 src_pci_func, s_esw_id, d_esw_id;
3735 for (i = 0; i < count; i++) {
3736 src_pci_func = pm_cfg[i].pci_func;
3737 dest_pci_func = pm_cfg[i].dest_npar;
3738 if (src_pci_func >= QLCNIC_MAX_PCI_FUNC
3739 || dest_pci_func >= QLCNIC_MAX_PCI_FUNC)
3740 return QL_STATUS_INVALID_PARAM;
3742 if (adapter->npars[src_pci_func].type != QLCNIC_TYPE_NIC)
3743 return QL_STATUS_INVALID_PARAM;
3745 if (adapter->npars[dest_pci_func].type != QLCNIC_TYPE_NIC)
3746 return QL_STATUS_INVALID_PARAM;
3748 s_esw_id = adapter->npars[src_pci_func].phy_port;
3749 d_esw_id = adapter->npars[dest_pci_func].phy_port;
3751 if (s_esw_id != d_esw_id)
3752 return QL_STATUS_INVALID_PARAM;
3760 qlcnic_sysfs_write_pm_config(struct file *filp, struct kobject *kobj,
3761 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3763 struct device *dev = container_of(kobj, struct device, kobj);
3764 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3765 struct qlcnic_pm_func_cfg *pm_cfg;
3766 u32 id, action, pci_func;
3767 int count, rem, i, ret;
3769 count = size / sizeof(struct qlcnic_pm_func_cfg);
3770 rem = size % sizeof(struct qlcnic_pm_func_cfg);
3772 return QL_STATUS_INVALID_PARAM;
3774 pm_cfg = (struct qlcnic_pm_func_cfg *) buf;
3776 ret = validate_pm_config(adapter, pm_cfg, count);
3779 for (i = 0; i < count; i++) {
3780 pci_func = pm_cfg[i].pci_func;
3781 action = !!pm_cfg[i].action;
3782 id = adapter->npars[pci_func].phy_port;
3783 ret = qlcnic_config_port_mirroring(adapter, id,
3789 for (i = 0; i < count; i++) {
3790 pci_func = pm_cfg[i].pci_func;
3791 id = adapter->npars[pci_func].phy_port;
3792 adapter->npars[pci_func].enable_pm = !!pm_cfg[i].action;
3793 adapter->npars[pci_func].dest_npar = id;
3799 qlcnic_sysfs_read_pm_config(struct file *filp, struct kobject *kobj,
3800 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3802 struct device *dev = container_of(kobj, struct device, kobj);
3803 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3804 struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC];
3807 if (size != sizeof(pm_cfg))
3808 return QL_STATUS_INVALID_PARAM;
3810 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3811 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3813 pm_cfg[i].action = adapter->npars[i].enable_pm;
3814 pm_cfg[i].dest_npar = 0;
3815 pm_cfg[i].pci_func = i;
3817 memcpy(buf, &pm_cfg, size);
3823 validate_esw_config(struct qlcnic_adapter *adapter,
3824 struct qlcnic_esw_func_cfg *esw_cfg, int count)
3830 op_mode = readl(adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE);
3832 for (i = 0; i < count; i++) {
3833 pci_func = esw_cfg[i].pci_func;
3834 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3835 return QL_STATUS_INVALID_PARAM;
3837 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
3838 if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3839 return QL_STATUS_INVALID_PARAM;
3841 switch (esw_cfg[i].op_mode) {
3842 case QLCNIC_PORT_DEFAULTS:
3843 if (QLC_DEV_GET_DRV(op_mode, pci_func) !=
3844 QLCNIC_NON_PRIV_FUNC) {
3845 if (esw_cfg[i].mac_anti_spoof != 0)
3846 return QL_STATUS_INVALID_PARAM;
3847 if (esw_cfg[i].mac_override != 1)
3848 return QL_STATUS_INVALID_PARAM;
3849 if (esw_cfg[i].promisc_mode != 1)
3850 return QL_STATUS_INVALID_PARAM;
3853 case QLCNIC_ADD_VLAN:
3854 if (!IS_VALID_VLAN(esw_cfg[i].vlan_id))
3855 return QL_STATUS_INVALID_PARAM;
3856 if (!esw_cfg[i].op_type)
3857 return QL_STATUS_INVALID_PARAM;
3859 case QLCNIC_DEL_VLAN:
3860 if (!esw_cfg[i].op_type)
3861 return QL_STATUS_INVALID_PARAM;
3864 return QL_STATUS_INVALID_PARAM;
3871 qlcnic_sysfs_write_esw_config(struct file *file, struct kobject *kobj,
3872 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3874 struct device *dev = container_of(kobj, struct device, kobj);
3875 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3876 struct qlcnic_esw_func_cfg *esw_cfg;
3877 struct qlcnic_npar_info *npar;
3878 int count, rem, i, ret;
3879 u8 pci_func, op_mode = 0;
3881 count = size / sizeof(struct qlcnic_esw_func_cfg);
3882 rem = size % sizeof(struct qlcnic_esw_func_cfg);
3884 return QL_STATUS_INVALID_PARAM;
3886 esw_cfg = (struct qlcnic_esw_func_cfg *) buf;
3887 ret = validate_esw_config(adapter, esw_cfg, count);
3891 for (i = 0; i < count; i++) {
3892 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
3893 if (qlcnic_config_switch_port(adapter, &esw_cfg[i]))
3894 return QL_STATUS_INVALID_PARAM;
3896 if (adapter->ahw->pci_func != esw_cfg[i].pci_func)
3899 op_mode = esw_cfg[i].op_mode;
3900 qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]);
3901 esw_cfg[i].op_mode = op_mode;
3902 esw_cfg[i].pci_func = adapter->ahw->pci_func;
3904 switch (esw_cfg[i].op_mode) {
3905 case QLCNIC_PORT_DEFAULTS:
3906 qlcnic_set_eswitch_port_features(adapter, &esw_cfg[i]);
3908 case QLCNIC_ADD_VLAN:
3909 qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
3911 case QLCNIC_DEL_VLAN:
3912 esw_cfg[i].vlan_id = 0;
3913 qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
3918 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
3921 for (i = 0; i < count; i++) {
3922 pci_func = esw_cfg[i].pci_func;
3923 npar = &adapter->npars[pci_func];
3924 switch (esw_cfg[i].op_mode) {
3925 case QLCNIC_PORT_DEFAULTS:
3926 npar->promisc_mode = esw_cfg[i].promisc_mode;
3927 npar->mac_override = esw_cfg[i].mac_override;
3928 npar->offload_flags = esw_cfg[i].offload_flags;
3929 npar->mac_anti_spoof = esw_cfg[i].mac_anti_spoof;
3930 npar->discard_tagged = esw_cfg[i].discard_tagged;
3932 case QLCNIC_ADD_VLAN:
3933 npar->pvid = esw_cfg[i].vlan_id;
3935 case QLCNIC_DEL_VLAN:
3945 qlcnic_sysfs_read_esw_config(struct file *file, struct kobject *kobj,
3946 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3948 struct device *dev = container_of(kobj, struct device, kobj);
3949 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3950 struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC];
3953 if (size != sizeof(esw_cfg))
3954 return QL_STATUS_INVALID_PARAM;
3956 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3957 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3959 esw_cfg[i].pci_func = i;
3960 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]))
3961 return QL_STATUS_INVALID_PARAM;
3963 memcpy(buf, &esw_cfg, size);
3969 validate_npar_config(struct qlcnic_adapter *adapter,
3970 struct qlcnic_npar_func_cfg *np_cfg, int count)
3974 for (i = 0; i < count; i++) {
3975 pci_func = np_cfg[i].pci_func;
3976 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3977 return QL_STATUS_INVALID_PARAM;
3979 if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3980 return QL_STATUS_INVALID_PARAM;
3982 if (!IS_VALID_BW(np_cfg[i].min_bw) ||
3983 !IS_VALID_BW(np_cfg[i].max_bw))
3984 return QL_STATUS_INVALID_PARAM;
3990 qlcnic_sysfs_write_npar_config(struct file *file, struct kobject *kobj,
3991 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3993 struct device *dev = container_of(kobj, struct device, kobj);
3994 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3995 struct qlcnic_info nic_info;
3996 struct qlcnic_npar_func_cfg *np_cfg;
3997 int i, count, rem, ret;
4000 count = size / sizeof(struct qlcnic_npar_func_cfg);
4001 rem = size % sizeof(struct qlcnic_npar_func_cfg);
4003 return QL_STATUS_INVALID_PARAM;
4005 np_cfg = (struct qlcnic_npar_func_cfg *) buf;
4006 ret = validate_npar_config(adapter, np_cfg, count);
4010 for (i = 0; i < count ; i++) {
4011 pci_func = np_cfg[i].pci_func;
4012 ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
4015 nic_info.pci_func = pci_func;
4016 nic_info.min_tx_bw = np_cfg[i].min_bw;
4017 nic_info.max_tx_bw = np_cfg[i].max_bw;
4018 ret = qlcnic_set_nic_info(adapter, &nic_info);
4021 adapter->npars[i].min_bw = nic_info.min_tx_bw;
4022 adapter->npars[i].max_bw = nic_info.max_tx_bw;
4029 qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj,
4030 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4032 struct device *dev = container_of(kobj, struct device, kobj);
4033 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4034 struct qlcnic_info nic_info;
4035 struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC];
4038 if (size != sizeof(np_cfg))
4039 return QL_STATUS_INVALID_PARAM;
4041 for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
4042 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
4044 ret = qlcnic_get_nic_info(adapter, &nic_info, i);
4048 np_cfg[i].pci_func = i;
4049 np_cfg[i].op_mode = (u8)nic_info.op_mode;
4050 np_cfg[i].port_num = nic_info.phys_port;
4051 np_cfg[i].fw_capab = nic_info.capabilities;
4052 np_cfg[i].min_bw = nic_info.min_tx_bw ;
4053 np_cfg[i].max_bw = nic_info.max_tx_bw;
4054 np_cfg[i].max_tx_queues = nic_info.max_tx_ques;
4055 np_cfg[i].max_rx_queues = nic_info.max_rx_ques;
4057 memcpy(buf, &np_cfg, size);
4062 qlcnic_sysfs_get_port_stats(struct file *file, struct kobject *kobj,
4063 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4065 struct device *dev = container_of(kobj, struct device, kobj);
4066 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4067 struct qlcnic_esw_statistics port_stats;
4070 if (size != sizeof(struct qlcnic_esw_statistics))
4071 return QL_STATUS_INVALID_PARAM;
4073 if (offset >= QLCNIC_MAX_PCI_FUNC)
4074 return QL_STATUS_INVALID_PARAM;
4076 memset(&port_stats, 0, size);
4077 ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
4082 ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
4087 memcpy(buf, &port_stats, size);
4092 qlcnic_sysfs_get_esw_stats(struct file *file, struct kobject *kobj,
4093 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4095 struct device *dev = container_of(kobj, struct device, kobj);
4096 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4097 struct qlcnic_esw_statistics esw_stats;
4100 if (size != sizeof(struct qlcnic_esw_statistics))
4101 return QL_STATUS_INVALID_PARAM;
4103 if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
4104 return QL_STATUS_INVALID_PARAM;
4106 memset(&esw_stats, 0, size);
4107 ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
4112 ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
4117 memcpy(buf, &esw_stats, size);
4122 qlcnic_sysfs_clear_esw_stats(struct file *file, struct kobject *kobj,
4123 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4125 struct device *dev = container_of(kobj, struct device, kobj);
4126 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4129 if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
4130 return QL_STATUS_INVALID_PARAM;
4132 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
4133 QLCNIC_QUERY_RX_COUNTER);
4137 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
4138 QLCNIC_QUERY_TX_COUNTER);
4146 qlcnic_sysfs_clear_port_stats(struct file *file, struct kobject *kobj,
4147 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4150 struct device *dev = container_of(kobj, struct device, kobj);
4151 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4154 if (offset >= QLCNIC_MAX_PCI_FUNC)
4155 return QL_STATUS_INVALID_PARAM;
4157 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
4158 QLCNIC_QUERY_RX_COUNTER);
4162 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
4163 QLCNIC_QUERY_TX_COUNTER);
4171 qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj,
4172 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
4174 struct device *dev = container_of(kobj, struct device, kobj);
4175 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
4176 struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC];
4177 struct qlcnic_pci_info *pci_info;
4180 if (size != sizeof(pci_cfg))
4181 return QL_STATUS_INVALID_PARAM;
4183 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
4187 ret = qlcnic_get_pci_info(adapter, pci_info);
4193 for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
4194 pci_cfg[i].pci_func = pci_info[i].id;
4195 pci_cfg[i].func_type = pci_info[i].type;
4196 pci_cfg[i].port_num = pci_info[i].default_port;
4197 pci_cfg[i].min_bw = pci_info[i].tx_min_bw;
4198 pci_cfg[i].max_bw = pci_info[i].tx_max_bw;
4199 memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN);
4201 memcpy(buf, &pci_cfg, size);
4205 static struct bin_attribute bin_attr_npar_config = {
4206 .attr = {.name = "npar_config", .mode = (S_IRUGO | S_IWUSR)},
4208 .read = qlcnic_sysfs_read_npar_config,
4209 .write = qlcnic_sysfs_write_npar_config,
4212 static struct bin_attribute bin_attr_pci_config = {
4213 .attr = {.name = "pci_config", .mode = (S_IRUGO | S_IWUSR)},
4215 .read = qlcnic_sysfs_read_pci_config,
4219 static struct bin_attribute bin_attr_port_stats = {
4220 .attr = {.name = "port_stats", .mode = (S_IRUGO | S_IWUSR)},
4222 .read = qlcnic_sysfs_get_port_stats,
4223 .write = qlcnic_sysfs_clear_port_stats,
4226 static struct bin_attribute bin_attr_esw_stats = {
4227 .attr = {.name = "esw_stats", .mode = (S_IRUGO | S_IWUSR)},
4229 .read = qlcnic_sysfs_get_esw_stats,
4230 .write = qlcnic_sysfs_clear_esw_stats,
4233 static struct bin_attribute bin_attr_esw_config = {
4234 .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)},
4236 .read = qlcnic_sysfs_read_esw_config,
4237 .write = qlcnic_sysfs_write_esw_config,
4240 static struct bin_attribute bin_attr_pm_config = {
4241 .attr = {.name = "pm_config", .mode = (S_IRUGO | S_IWUSR)},
4243 .read = qlcnic_sysfs_read_pm_config,
4244 .write = qlcnic_sysfs_write_pm_config,
4248 qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter)
4250 struct device *dev = &adapter->pdev->dev;
4252 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
4253 if (device_create_file(dev, &dev_attr_bridged_mode))
4255 "failed to create bridged_mode sysfs entry\n");
4259 qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter)
4261 struct device *dev = &adapter->pdev->dev;
4263 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
4264 device_remove_file(dev, &dev_attr_bridged_mode);
4268 qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
4270 struct device *dev = &adapter->pdev->dev;
4272 if (device_create_bin_file(dev, &bin_attr_port_stats))
4273 dev_info(dev, "failed to create port stats sysfs entry");
4275 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
4277 if (device_create_file(dev, &dev_attr_diag_mode))
4278 dev_info(dev, "failed to create diag_mode sysfs entry\n");
4279 if (device_create_file(dev, &dev_attr_beacon))
4280 dev_info(dev, "failed to create beacon sysfs entry");
4281 if (device_create_bin_file(dev, &bin_attr_crb))
4282 dev_info(dev, "failed to create crb sysfs entry\n");
4283 if (device_create_bin_file(dev, &bin_attr_mem))
4284 dev_info(dev, "failed to create mem sysfs entry\n");
4285 if (device_create_bin_file(dev, &bin_attr_pci_config))
4286 dev_info(dev, "failed to create pci config sysfs entry");
4287 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
4289 if (device_create_bin_file(dev, &bin_attr_esw_config))
4290 dev_info(dev, "failed to create esw config sysfs entry");
4291 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
4293 if (device_create_bin_file(dev, &bin_attr_npar_config))
4294 dev_info(dev, "failed to create npar config sysfs entry");
4295 if (device_create_bin_file(dev, &bin_attr_pm_config))
4296 dev_info(dev, "failed to create pm config sysfs entry");
4297 if (device_create_bin_file(dev, &bin_attr_esw_stats))
4298 dev_info(dev, "failed to create eswitch stats sysfs entry");
4302 qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
4304 struct device *dev = &adapter->pdev->dev;
4306 device_remove_bin_file(dev, &bin_attr_port_stats);
4308 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
4310 device_remove_file(dev, &dev_attr_diag_mode);
4311 device_remove_file(dev, &dev_attr_beacon);
4312 device_remove_bin_file(dev, &bin_attr_crb);
4313 device_remove_bin_file(dev, &bin_attr_mem);
4314 device_remove_bin_file(dev, &bin_attr_pci_config);
4315 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
4317 device_remove_bin_file(dev, &bin_attr_esw_config);
4318 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
4320 device_remove_bin_file(dev, &bin_attr_npar_config);
4321 device_remove_bin_file(dev, &bin_attr_pm_config);
4322 device_remove_bin_file(dev, &bin_attr_esw_stats);
4327 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4330 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4331 struct net_device *dev, unsigned long event)
4333 struct in_device *indev;
4335 indev = in_dev_get(dev);
4342 qlcnic_config_ipaddr(adapter,
4343 ifa->ifa_address, QLCNIC_IP_UP);
4346 qlcnic_config_ipaddr(adapter,
4347 ifa->ifa_address, QLCNIC_IP_DOWN);
4352 } endfor_ifa(indev);
4358 qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4360 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4361 struct net_device *dev;
4364 qlcnic_config_indev_addr(adapter, netdev, event);
4366 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4367 dev = __vlan_find_dev_deep(netdev, vid);
4370 qlcnic_config_indev_addr(adapter, dev, event);
4374 static int qlcnic_netdev_event(struct notifier_block *this,
4375 unsigned long event, void *ptr)
4377 struct qlcnic_adapter *adapter;
4378 struct net_device *dev = (struct net_device *)ptr;
4384 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4385 dev = vlan_dev_real_dev(dev);
4389 if (!is_qlcnic_netdev(dev))
4392 adapter = netdev_priv(dev);
4397 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4400 qlcnic_config_indev_addr(adapter, dev, event);
4406 qlcnic_inetaddr_event(struct notifier_block *this,
4407 unsigned long event, void *ptr)
4409 struct qlcnic_adapter *adapter;
4410 struct net_device *dev;
4412 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4414 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4420 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4421 dev = vlan_dev_real_dev(dev);
4425 if (!is_qlcnic_netdev(dev))
4428 adapter = netdev_priv(dev);
4433 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4438 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4441 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4451 static struct notifier_block qlcnic_netdev_cb = {
4452 .notifier_call = qlcnic_netdev_event,
4455 static struct notifier_block qlcnic_inetaddr_cb = {
4456 .notifier_call = qlcnic_inetaddr_event,
4460 qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4463 static struct pci_error_handlers qlcnic_err_handler = {
4464 .error_detected = qlcnic_io_error_detected,
4465 .slot_reset = qlcnic_io_slot_reset,
4466 .resume = qlcnic_io_resume,
4469 static struct pci_driver qlcnic_driver = {
4470 .name = qlcnic_driver_name,
4471 .id_table = qlcnic_pci_tbl,
4472 .probe = qlcnic_probe,
4473 .remove = __devexit_p(qlcnic_remove),
4475 .suspend = qlcnic_suspend,
4476 .resume = qlcnic_resume,
4478 .shutdown = qlcnic_shutdown,
4479 .err_handler = &qlcnic_err_handler
4483 static int __init qlcnic_init_module(void)
4487 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4489 qlcnic_wq = create_singlethread_workqueue("qlcnic");
4490 if (qlcnic_wq == NULL) {
4491 printk(KERN_ERR "qlcnic: cannot create workqueue\n");
4496 register_netdevice_notifier(&qlcnic_netdev_cb);
4497 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4500 ret = pci_register_driver(&qlcnic_driver);
4503 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4504 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4506 destroy_workqueue(qlcnic_wq);
4512 module_init(qlcnic_init_module);
4514 static void __exit qlcnic_exit_module(void)
4517 pci_unregister_driver(&qlcnic_driver);
4520 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4521 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4523 destroy_workqueue(qlcnic_wq);
4526 module_exit(qlcnic_exit_module);