2 * Copyright (C) 2009 - QLogic Corporation.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 * The full GNU General Public License is included in this distribution
21 * in the file called "COPYING".
25 #include <linux/slab.h>
26 #include <linux/vmalloc.h>
27 #include <linux/interrupt.h>
31 #include <linux/dma-mapping.h>
32 #include <linux/if_vlan.h>
34 #include <linux/ipv6.h>
35 #include <linux/inetdevice.h>
36 #include <linux/sysfs.h>
37 #include <linux/aer.h>
39 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
40 MODULE_LICENSE("GPL");
41 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
42 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
44 char qlcnic_driver_name[] = "qlcnic";
45 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
46 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
48 static int port_mode = QLCNIC_PORT_MODE_AUTO_NEG;
50 /* Default to restricted 1G auto-neg mode */
51 static int wol_port_mode = 5;
53 static int use_msi = 1;
54 module_param(use_msi, int, 0644);
55 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
57 static int use_msi_x = 1;
58 module_param(use_msi_x, int, 0644);
59 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
61 static int auto_fw_reset = AUTO_FW_RESET_ENABLED;
62 module_param(auto_fw_reset, int, 0644);
63 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
65 static int load_fw_file;
66 module_param(load_fw_file, int, 0644);
67 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
69 static int qlcnic_config_npars;
70 module_param(qlcnic_config_npars, int, 0644);
71 MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
73 static int __devinit qlcnic_probe(struct pci_dev *pdev,
74 const struct pci_device_id *ent);
75 static void __devexit qlcnic_remove(struct pci_dev *pdev);
76 static int qlcnic_open(struct net_device *netdev);
77 static int qlcnic_close(struct net_device *netdev);
78 static void qlcnic_tx_timeout(struct net_device *netdev);
79 static void qlcnic_attach_work(struct work_struct *work);
80 static void qlcnic_fwinit_work(struct work_struct *work);
81 static void qlcnic_fw_poll_work(struct work_struct *work);
82 static void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
83 work_func_t func, int delay);
84 static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter);
85 static int qlcnic_poll(struct napi_struct *napi, int budget);
86 static int qlcnic_rx_poll(struct napi_struct *napi, int budget);
87 #ifdef CONFIG_NET_POLL_CONTROLLER
88 static void qlcnic_poll_controller(struct net_device *netdev);
91 static void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter);
92 static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter);
93 static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter);
94 static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter);
96 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
97 static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter);
98 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
100 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
101 static irqreturn_t qlcnic_intr(int irq, void *data);
102 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
103 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
105 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
106 static void qlcnic_config_indev_addr(struct net_device *dev, unsigned long);
107 static int qlcnic_start_firmware(struct qlcnic_adapter *);
109 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
110 static int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32);
111 static int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32);
112 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
113 /* PCI Device ID Table */
114 #define ENTRY(device) \
115 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
116 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
118 #define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020
120 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
121 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
125 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
129 qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter,
130 struct qlcnic_host_tx_ring *tx_ring)
132 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
135 static const u32 msi_tgt_status[8] = {
136 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
137 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
138 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
139 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
143 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
145 static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring *sds_ring)
147 writel(0, sds_ring->crb_intr_mask);
150 static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring *sds_ring)
152 struct qlcnic_adapter *adapter = sds_ring->adapter;
154 writel(0x1, sds_ring->crb_intr_mask);
156 if (!QLCNIC_IS_MSI_FAMILY(adapter))
157 writel(0xfbff, adapter->tgt_mask_reg);
161 qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
163 int size = sizeof(struct qlcnic_host_sds_ring) * count;
165 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
167 return (recv_ctx->sds_rings == NULL);
171 qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
173 if (recv_ctx->sds_rings != NULL)
174 kfree(recv_ctx->sds_rings);
176 recv_ctx->sds_rings = NULL;
180 qlcnic_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev)
183 struct qlcnic_host_sds_ring *sds_ring;
184 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
186 if (qlcnic_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
189 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
190 sds_ring = &recv_ctx->sds_rings[ring];
192 if (ring == adapter->max_sds_rings - 1)
193 netif_napi_add(netdev, &sds_ring->napi, qlcnic_poll,
194 QLCNIC_NETDEV_WEIGHT/adapter->max_sds_rings);
196 netif_napi_add(netdev, &sds_ring->napi,
197 qlcnic_rx_poll, QLCNIC_NETDEV_WEIGHT*2);
204 qlcnic_napi_del(struct qlcnic_adapter *adapter)
207 struct qlcnic_host_sds_ring *sds_ring;
208 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
210 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
211 sds_ring = &recv_ctx->sds_rings[ring];
212 netif_napi_del(&sds_ring->napi);
215 qlcnic_free_sds_rings(&adapter->recv_ctx);
219 qlcnic_napi_enable(struct qlcnic_adapter *adapter)
222 struct qlcnic_host_sds_ring *sds_ring;
223 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
225 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
228 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
229 sds_ring = &recv_ctx->sds_rings[ring];
230 napi_enable(&sds_ring->napi);
231 qlcnic_enable_int(sds_ring);
236 qlcnic_napi_disable(struct qlcnic_adapter *adapter)
239 struct qlcnic_host_sds_ring *sds_ring;
240 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
242 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
245 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
246 sds_ring = &recv_ctx->sds_rings[ring];
247 qlcnic_disable_int(sds_ring);
248 napi_synchronize(&sds_ring->napi);
249 napi_disable(&sds_ring->napi);
253 static void qlcnic_clear_stats(struct qlcnic_adapter *adapter)
255 memset(&adapter->stats, 0, sizeof(adapter->stats));
258 static void qlcnic_set_port_mode(struct qlcnic_adapter *adapter)
262 val = adapter->ahw.board_type;
263 if ((val == QLCNIC_BRDTYPE_P3_HMEZ) ||
264 (val == QLCNIC_BRDTYPE_P3_XG_LOM)) {
265 if (port_mode == QLCNIC_PORT_MODE_802_3_AP) {
266 data = QLCNIC_PORT_MODE_802_3_AP;
267 QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data);
268 } else if (port_mode == QLCNIC_PORT_MODE_XG) {
269 data = QLCNIC_PORT_MODE_XG;
270 QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data);
271 } else if (port_mode == QLCNIC_PORT_MODE_AUTO_NEG_1G) {
272 data = QLCNIC_PORT_MODE_AUTO_NEG_1G;
273 QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data);
274 } else if (port_mode == QLCNIC_PORT_MODE_AUTO_NEG_XG) {
275 data = QLCNIC_PORT_MODE_AUTO_NEG_XG;
276 QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data);
278 data = QLCNIC_PORT_MODE_AUTO_NEG;
279 QLCWR32(adapter, QLCNIC_PORT_MODE_ADDR, data);
282 if ((wol_port_mode != QLCNIC_PORT_MODE_802_3_AP) &&
283 (wol_port_mode != QLCNIC_PORT_MODE_XG) &&
284 (wol_port_mode != QLCNIC_PORT_MODE_AUTO_NEG_1G) &&
285 (wol_port_mode != QLCNIC_PORT_MODE_AUTO_NEG_XG)) {
286 wol_port_mode = QLCNIC_PORT_MODE_AUTO_NEG;
288 QLCWR32(adapter, QLCNIC_WOL_PORT_MODE, wol_port_mode);
292 static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable)
297 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
299 pci_read_config_dword(pdev, pos, &control);
301 control |= PCI_MSIX_FLAGS_ENABLE;
304 pci_write_config_dword(pdev, pos, control);
308 static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count)
312 for (i = 0; i < count; i++)
313 adapter->msix_entries[i].entry = i;
317 qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
319 u8 mac_addr[ETH_ALEN];
320 struct net_device *netdev = adapter->netdev;
321 struct pci_dev *pdev = adapter->pdev;
323 if (adapter->nic_ops->get_mac_addr(adapter, mac_addr) != 0)
326 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
327 memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
328 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
330 /* set station address */
332 if (!is_valid_ether_addr(netdev->perm_addr))
333 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
339 static int qlcnic_set_mac(struct net_device *netdev, void *p)
341 struct qlcnic_adapter *adapter = netdev_priv(netdev);
342 struct sockaddr *addr = p;
344 if (!is_valid_ether_addr(addr->sa_data))
347 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
348 netif_device_detach(netdev);
349 qlcnic_napi_disable(adapter);
352 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
353 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
354 qlcnic_set_multi(adapter->netdev);
356 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
357 netif_device_attach(netdev);
358 qlcnic_napi_enable(adapter);
363 static const struct net_device_ops qlcnic_netdev_ops = {
364 .ndo_open = qlcnic_open,
365 .ndo_stop = qlcnic_close,
366 .ndo_start_xmit = qlcnic_xmit_frame,
367 .ndo_get_stats = qlcnic_get_stats,
368 .ndo_validate_addr = eth_validate_addr,
369 .ndo_set_multicast_list = qlcnic_set_multi,
370 .ndo_set_mac_address = qlcnic_set_mac,
371 .ndo_change_mtu = qlcnic_change_mtu,
372 .ndo_tx_timeout = qlcnic_tx_timeout,
373 #ifdef CONFIG_NET_POLL_CONTROLLER
374 .ndo_poll_controller = qlcnic_poll_controller,
378 static struct qlcnic_nic_template qlcnic_ops = {
379 .get_mac_addr = qlcnic_get_mac_address,
380 .config_bridged_mode = qlcnic_config_bridged_mode,
381 .config_led = qlcnic_config_led,
382 .start_firmware = qlcnic_start_firmware
385 static struct qlcnic_nic_template qlcnic_vf_ops = {
386 .get_mac_addr = qlcnic_get_mac_address,
387 .config_bridged_mode = qlcnicvf_config_bridged_mode,
388 .config_led = qlcnicvf_config_led,
389 .start_firmware = qlcnicvf_start_firmware
393 qlcnic_setup_intr(struct qlcnic_adapter *adapter)
395 const struct qlcnic_legacy_intr_set *legacy_intrp;
396 struct pci_dev *pdev = adapter->pdev;
399 if (adapter->rss_supported) {
400 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
401 MSIX_ENTRIES_PER_ADAPTER : 2;
405 adapter->max_sds_rings = 1;
407 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
409 legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
411 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
412 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
413 legacy_intrp->tgt_status_reg);
414 adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter,
415 legacy_intrp->tgt_mask_reg);
416 adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR);
418 adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter,
421 qlcnic_set_msix_bit(pdev, 0);
423 if (adapter->msix_supported) {
425 qlcnic_init_msix_entries(adapter, num_msix);
426 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
428 adapter->flags |= QLCNIC_MSIX_ENABLED;
429 qlcnic_set_msix_bit(pdev, 1);
431 if (adapter->rss_supported)
432 adapter->max_sds_rings = num_msix;
434 dev_info(&pdev->dev, "using msi-x interrupts\n");
439 pci_disable_msix(pdev);
441 /* fall through for msi */
444 if (use_msi && !pci_enable_msi(pdev)) {
445 adapter->flags |= QLCNIC_MSI_ENABLED;
446 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
447 msi_tgt_status[adapter->ahw.pci_func]);
448 dev_info(&pdev->dev, "using msi interrupts\n");
449 adapter->msix_entries[0].vector = pdev->irq;
453 dev_info(&pdev->dev, "using legacy interrupts\n");
454 adapter->msix_entries[0].vector = pdev->irq;
458 qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
460 if (adapter->flags & QLCNIC_MSIX_ENABLED)
461 pci_disable_msix(adapter->pdev);
462 if (adapter->flags & QLCNIC_MSI_ENABLED)
463 pci_disable_msi(adapter->pdev);
467 qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
469 if (adapter->ahw.pci_base0 != NULL)
470 iounmap(adapter->ahw.pci_base0);
474 qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
476 struct qlcnic_pci_info *pci_info;
480 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
484 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
485 QLCNIC_MAX_PCI_FUNC, GFP_KERNEL);
486 if (!adapter->npars) {
491 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
492 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
493 if (!adapter->eswitch) {
498 ret = qlcnic_get_pci_info(adapter, pci_info);
502 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
503 pfn = pci_info[i].id;
504 if (pfn > QLCNIC_MAX_PCI_FUNC)
505 return QL_STATUS_INVALID_PARAM;
506 adapter->npars[pfn].active = pci_info[i].active;
507 adapter->npars[pfn].type = pci_info[i].type;
508 adapter->npars[pfn].phy_port = pci_info[i].default_port;
509 adapter->npars[pfn].mac_learning = DEFAULT_MAC_LEARN;
510 adapter->npars[pfn].min_bw = pci_info[i].tx_min_bw;
511 adapter->npars[pfn].max_bw = pci_info[i].tx_max_bw;
514 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
515 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
521 kfree(adapter->eswitch);
522 adapter->eswitch = NULL;
524 kfree(adapter->npars);
525 adapter->npars = NULL;
533 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
538 u32 data = QLCNIC_MGMT_FUNC;
539 void __iomem *priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE;
541 /* If other drivers are not in use set their privilege level */
542 ref_count = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT);
543 ret = qlcnic_api_lock(adapter);
546 if (QLC_DEV_CLR_REF_CNT(ref_count, adapter->ahw.pci_func))
549 if (qlcnic_config_npars) {
550 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
552 if (adapter->npars[i].type != QLCNIC_TYPE_NIC ||
553 id == adapter->ahw.pci_func)
555 data |= (qlcnic_config_npars &
556 QLC_DEV_SET_DRV(0xf, id));
559 data = readl(priv_op);
560 data = (data & ~QLC_DEV_SET_DRV(0xf, adapter->ahw.pci_func)) |
561 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
562 adapter->ahw.pci_func));
564 writel(data, priv_op);
566 qlcnic_api_unlock(adapter);
572 qlcnic_get_driver_mode(struct qlcnic_adapter *adapter)
574 void __iomem *msix_base_addr;
575 void __iomem *priv_op;
576 struct qlcnic_info nic_info;
579 u32 op_mode, priv_level;
581 /* Determine FW API version */
582 adapter->fw_hal_version = readl(adapter->ahw.pci_base0 + QLCNIC_FW_API);
584 /* Find PCI function number */
585 pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func);
586 msix_base_addr = adapter->ahw.pci_base0 + QLCNIC_MSIX_BASE;
587 msix_base = readl(msix_base_addr);
588 func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE;
589 adapter->ahw.pci_func = func;
591 if (!qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw.pci_func)) {
592 adapter->capabilities = nic_info.capabilities;
594 if (adapter->capabilities & BIT_6)
595 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
597 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
600 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
601 adapter->nic_ops = &qlcnic_ops;
602 return adapter->fw_hal_version;
605 /* Determine function privilege level */
606 priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE;
607 op_mode = readl(priv_op);
608 if (op_mode == QLC_DEV_DRV_DEFAULT)
609 priv_level = QLCNIC_MGMT_FUNC;
611 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw.pci_func);
613 switch (priv_level) {
614 case QLCNIC_MGMT_FUNC:
615 adapter->op_mode = QLCNIC_MGMT_FUNC;
616 adapter->nic_ops = &qlcnic_ops;
617 qlcnic_init_pci_info(adapter);
618 /* Set privilege level for other functions */
619 qlcnic_set_function_modes(adapter);
620 dev_info(&adapter->pdev->dev,
621 "HAL Version: %d, Management function\n",
622 adapter->fw_hal_version);
624 case QLCNIC_PRIV_FUNC:
625 adapter->op_mode = QLCNIC_PRIV_FUNC;
626 dev_info(&adapter->pdev->dev,
627 "HAL Version: %d, Privileged function\n",
628 adapter->fw_hal_version);
629 adapter->nic_ops = &qlcnic_ops;
631 case QLCNIC_NON_PRIV_FUNC:
632 adapter->op_mode = QLCNIC_NON_PRIV_FUNC;
633 dev_info(&adapter->pdev->dev,
634 "HAL Version: %d Non Privileged function\n",
635 adapter->fw_hal_version);
636 adapter->nic_ops = &qlcnic_vf_ops;
639 dev_info(&adapter->pdev->dev, "Unknown function mode: %d\n",
643 return adapter->fw_hal_version;
647 qlcnic_setup_pci_map(struct qlcnic_adapter *adapter)
649 void __iomem *mem_ptr0 = NULL;
650 resource_size_t mem_base;
651 unsigned long mem_len, pci_len0 = 0;
653 struct pci_dev *pdev = adapter->pdev;
655 /* remap phys address */
656 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
657 mem_len = pci_resource_len(pdev, 0);
659 if (mem_len == QLCNIC_PCI_2MB_SIZE) {
661 mem_ptr0 = pci_ioremap_bar(pdev, 0);
662 if (mem_ptr0 == NULL) {
663 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
671 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
673 adapter->ahw.pci_base0 = mem_ptr0;
674 adapter->ahw.pci_len0 = pci_len0;
676 if (!qlcnic_get_driver_mode(adapter)) {
677 iounmap(adapter->ahw.pci_base0);
681 adapter->ahw.ocm_win_crb = qlcnic_get_ioaddr(adapter,
682 QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(adapter->ahw.pci_func)));
687 static void get_brd_name(struct qlcnic_adapter *adapter, char *name)
689 struct pci_dev *pdev = adapter->pdev;
692 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
693 if (qlcnic_boards[i].vendor == pdev->vendor &&
694 qlcnic_boards[i].device == pdev->device &&
695 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
696 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
697 sprintf(name, "%pM: %s" ,
699 qlcnic_boards[i].short_name);
707 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
711 qlcnic_check_options(struct qlcnic_adapter *adapter)
713 u32 fw_major, fw_minor, fw_build;
714 char brd_name[QLCNIC_MAX_BOARD_NAME_LEN];
718 struct pci_dev *pdev = adapter->pdev;
719 struct qlcnic_info nic_info;
720 adapter->driver_mismatch = 0;
722 ptr32 = (int *)&serial_num;
723 offset = QLCNIC_FW_SERIAL_NUM_OFFSET;
724 for (i = 0; i < 8; i++) {
725 if (qlcnic_rom_fast_read(adapter, offset, &val) == -1) {
726 dev_err(&pdev->dev, "error reading board info\n");
727 adapter->driver_mismatch = 1;
730 ptr32[i] = cpu_to_le32(val);
731 offset += sizeof(u32);
734 fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR);
735 fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR);
736 fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB);
738 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
740 if (adapter->portnum == 0) {
741 get_brd_name(adapter, brd_name);
743 pr_info("%s: %s Board Chip rev 0x%x\n",
744 module_name(THIS_MODULE),
745 brd_name, adapter->ahw.revision_id);
748 dev_info(&pdev->dev, "firmware v%d.%d.%d\n",
749 fw_major, fw_minor, fw_build);
751 adapter->flags &= ~QLCNIC_LRO_ENABLED;
753 if (adapter->ahw.port_type == QLCNIC_XGBE) {
754 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
755 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
756 } else if (adapter->ahw.port_type == QLCNIC_GBE) {
757 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
758 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
761 if (!qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw.pci_func)) {
762 adapter->physical_port = nic_info.phys_port;
763 adapter->switch_mode = nic_info.switch_mode;
764 adapter->max_tx_ques = nic_info.max_tx_ques;
765 adapter->max_rx_ques = nic_info.max_rx_ques;
766 adapter->capabilities = nic_info.capabilities;
767 adapter->max_mac_filters = nic_info.max_mac_filters;
768 adapter->max_mtu = nic_info.max_mtu;
771 adapter->msix_supported = !!use_msi_x;
772 adapter->rss_supported = !!use_msi_x;
774 adapter->num_txd = MAX_CMD_DESCRIPTORS;
776 adapter->max_rds_rings = 2;
780 qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
783 struct qlcnic_npar_info *npar;
784 struct qlcnic_info nic_info;
786 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
787 !adapter->need_fw_reset)
790 if (adapter->op_mode == QLCNIC_MGMT_FUNC) {
791 /* Set the NPAR config data after FW reset */
792 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
793 npar = &adapter->npars[i];
794 if (npar->type != QLCNIC_TYPE_NIC)
796 err = qlcnic_get_nic_info(adapter, &nic_info, i);
799 nic_info.min_tx_bw = npar->min_bw;
800 nic_info.max_tx_bw = npar->max_bw;
801 err = qlcnic_set_nic_info(adapter, &nic_info);
805 if (npar->enable_pm) {
806 err = qlcnic_config_port_mirroring(adapter,
807 npar->dest_npar, 1, i);
812 npar->mac_learning = DEFAULT_MAC_LEARN;
813 npar->host_vlan_tag = 0;
814 npar->promisc_mode = 0;
815 npar->discard_tagged = 0;
824 qlcnic_start_firmware(struct qlcnic_adapter *adapter)
826 int val, err, first_boot;
828 err = qlcnic_can_start_firmware(adapter);
834 first_boot = QLCRD32(adapter, QLCNIC_CAM_RAM(0x1fc));
835 if (first_boot == 0x55555555)
836 /* This is the first boot after power up */
837 QLCWR32(adapter, QLCNIC_CAM_RAM(0x1fc), QLCNIC_BDINFO_MAGIC);
840 qlcnic_request_firmware(adapter);
842 if (qlcnic_check_flash_fw_ver(adapter))
845 adapter->fw_type = QLCNIC_FLASH_ROMIMAGE;
848 err = qlcnic_need_fw_reset(adapter);
854 if (first_boot != 0x55555555) {
855 QLCWR32(adapter, CRB_CMDPEG_STATE, 0);
856 QLCWR32(adapter, CRB_RCVPEG_STATE, 0);
857 qlcnic_pinit_from_rom(adapter);
861 QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS1, 0);
862 QLCWR32(adapter, QLCNIC_PEG_HALT_STATUS2, 0);
864 qlcnic_set_port_mode(adapter);
866 err = qlcnic_load_firmware(adapter);
870 qlcnic_release_firmware(adapter);
872 val = (_QLCNIC_LINUX_MAJOR << 16)
873 | ((_QLCNIC_LINUX_MINOR << 8))
874 | (_QLCNIC_LINUX_SUBVERSION);
875 QLCWR32(adapter, CRB_DRIVER_VERSION, val);
878 /* Handshake with the card before we register the devices. */
879 err = qlcnic_init_firmware(adapter);
883 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
884 qlcnic_idc_debug_info(adapter, 1);
886 qlcnic_check_options(adapter);
887 if (qlcnic_reset_npar_config(adapter))
889 qlcnic_dev_set_npar_ready(adapter);
891 adapter->need_fw_reset = 0;
893 qlcnic_release_firmware(adapter);
897 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
898 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
899 qlcnic_release_firmware(adapter);
904 qlcnic_request_irq(struct qlcnic_adapter *adapter)
906 irq_handler_t handler;
907 struct qlcnic_host_sds_ring *sds_ring;
910 unsigned long flags = 0;
911 struct net_device *netdev = adapter->netdev;
912 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
914 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
915 handler = qlcnic_tmp_intr;
916 if (!QLCNIC_IS_MSI_FAMILY(adapter))
917 flags |= IRQF_SHARED;
920 if (adapter->flags & QLCNIC_MSIX_ENABLED)
921 handler = qlcnic_msix_intr;
922 else if (adapter->flags & QLCNIC_MSI_ENABLED)
923 handler = qlcnic_msi_intr;
925 flags |= IRQF_SHARED;
926 handler = qlcnic_intr;
929 adapter->irq = netdev->irq;
931 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
932 sds_ring = &recv_ctx->sds_rings[ring];
933 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
934 err = request_irq(sds_ring->irq, handler,
935 flags, sds_ring->name, sds_ring);
944 qlcnic_free_irq(struct qlcnic_adapter *adapter)
947 struct qlcnic_host_sds_ring *sds_ring;
949 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
951 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
952 sds_ring = &recv_ctx->sds_rings[ring];
953 free_irq(sds_ring->irq, sds_ring);
958 qlcnic_init_coalesce_defaults(struct qlcnic_adapter *adapter)
960 adapter->coal.flags = QLCNIC_INTR_DEFAULT;
961 adapter->coal.normal.data.rx_time_us =
962 QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
963 adapter->coal.normal.data.rx_packets =
964 QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
965 adapter->coal.normal.data.tx_time_us =
966 QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US;
967 adapter->coal.normal.data.tx_packets =
968 QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS;
972 __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
975 struct qlcnic_host_rds_ring *rds_ring;
977 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
980 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
983 if (qlcnic_fw_create_ctx(adapter))
986 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
987 rds_ring = &adapter->recv_ctx.rds_rings[ring];
988 qlcnic_post_rx_buffers(adapter, ring, rds_ring);
991 qlcnic_set_multi(netdev);
992 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
994 adapter->ahw.linkup = 0;
996 if (adapter->max_sds_rings > 1)
997 qlcnic_config_rss(adapter, 1);
999 qlcnic_config_intr_coalesce(adapter);
1001 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1002 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1004 qlcnic_napi_enable(adapter);
1006 qlcnic_linkevent_request(adapter, 1);
1008 adapter->reset_context = 0;
1009 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1013 /* Usage: During resume and firmware recovery module.*/
1016 qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1021 if (netif_running(netdev))
1022 err = __qlcnic_up(adapter, netdev);
1029 __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1031 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1034 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1038 spin_lock(&adapter->tx_clean_lock);
1039 netif_carrier_off(netdev);
1040 netif_tx_disable(netdev);
1042 qlcnic_free_mac_list(adapter);
1044 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1046 qlcnic_napi_disable(adapter);
1048 qlcnic_fw_destroy_ctx(adapter);
1050 qlcnic_reset_rx_buffers_list(adapter);
1051 qlcnic_release_tx_buffers(adapter);
1052 spin_unlock(&adapter->tx_clean_lock);
1055 /* Usage: During suspend and firmware recovery module */
1058 qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1061 if (netif_running(netdev))
1062 __qlcnic_down(adapter, netdev);
1068 qlcnic_attach(struct qlcnic_adapter *adapter)
1070 struct net_device *netdev = adapter->netdev;
1071 struct pci_dev *pdev = adapter->pdev;
1074 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1077 err = qlcnic_napi_add(adapter, netdev);
1081 err = qlcnic_alloc_sw_resources(adapter);
1083 dev_err(&pdev->dev, "Error in setting sw resources\n");
1084 goto err_out_napi_del;
1087 err = qlcnic_alloc_hw_resources(adapter);
1089 dev_err(&pdev->dev, "Error in setting hw resources\n");
1090 goto err_out_free_sw;
1093 err = qlcnic_request_irq(adapter);
1095 dev_err(&pdev->dev, "failed to setup interrupt\n");
1096 goto err_out_free_hw;
1099 qlcnic_init_coalesce_defaults(adapter);
1101 qlcnic_create_sysfs_entries(adapter);
1103 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1107 qlcnic_free_hw_resources(adapter);
1109 qlcnic_free_sw_resources(adapter);
1111 qlcnic_napi_del(adapter);
1116 qlcnic_detach(struct qlcnic_adapter *adapter)
1118 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1121 qlcnic_remove_sysfs_entries(adapter);
1123 qlcnic_free_hw_resources(adapter);
1124 qlcnic_release_rx_buffers(adapter);
1125 qlcnic_free_irq(adapter);
1126 qlcnic_napi_del(adapter);
1127 qlcnic_free_sw_resources(adapter);
1132 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1134 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1135 struct qlcnic_host_sds_ring *sds_ring;
1138 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1139 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1140 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1141 sds_ring = &adapter->recv_ctx.sds_rings[ring];
1142 qlcnic_disable_int(sds_ring);
1146 qlcnic_fw_destroy_ctx(adapter);
1148 qlcnic_detach(adapter);
1150 adapter->diag_test = 0;
1151 adapter->max_sds_rings = max_sds_rings;
1153 if (qlcnic_attach(adapter))
1156 if (netif_running(netdev))
1157 __qlcnic_up(adapter, netdev);
1159 netif_device_attach(netdev);
1162 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1164 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1165 struct qlcnic_host_sds_ring *sds_ring;
1166 struct qlcnic_host_rds_ring *rds_ring;
1170 netif_device_detach(netdev);
1172 if (netif_running(netdev))
1173 __qlcnic_down(adapter, netdev);
1175 qlcnic_detach(adapter);
1177 adapter->max_sds_rings = 1;
1178 adapter->diag_test = test;
1180 ret = qlcnic_attach(adapter);
1182 netif_device_attach(netdev);
1186 ret = qlcnic_fw_create_ctx(adapter);
1188 qlcnic_detach(adapter);
1189 netif_device_attach(netdev);
1193 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1194 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1195 qlcnic_post_rx_buffers(adapter, ring, rds_ring);
1198 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1199 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1200 sds_ring = &adapter->recv_ctx.sds_rings[ring];
1201 qlcnic_enable_int(sds_ring);
1204 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1209 /* Reset context in hardware only */
1211 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1213 struct net_device *netdev = adapter->netdev;
1215 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1218 netif_device_detach(netdev);
1220 qlcnic_down(adapter, netdev);
1222 qlcnic_up(adapter, netdev);
1224 netif_device_attach(netdev);
1226 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1231 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1234 struct net_device *netdev = adapter->netdev;
1236 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1239 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1241 netif_device_detach(netdev);
1243 if (netif_running(netdev))
1244 __qlcnic_down(adapter, netdev);
1246 qlcnic_detach(adapter);
1248 if (netif_running(netdev)) {
1249 err = qlcnic_attach(adapter);
1251 __qlcnic_up(adapter, netdev);
1254 netif_device_attach(netdev);
1257 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1262 qlcnic_setup_netdev(struct qlcnic_adapter *adapter,
1263 struct net_device *netdev, u8 pci_using_dac)
1266 struct pci_dev *pdev = adapter->pdev;
1268 adapter->rx_csum = 1;
1269 adapter->mc_enabled = 0;
1270 adapter->max_mc_count = 38;
1272 netdev->netdev_ops = &qlcnic_netdev_ops;
1273 netdev->watchdog_timeo = 5*HZ;
1275 qlcnic_change_mtu(netdev, netdev->mtu);
1277 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1279 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1280 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
1281 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1284 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
1285 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1286 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1289 if (pci_using_dac) {
1290 netdev->features |= NETIF_F_HIGHDMA;
1291 netdev->vlan_features |= NETIF_F_HIGHDMA;
1294 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
1295 netdev->features |= (NETIF_F_HW_VLAN_TX);
1297 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1298 netdev->features |= NETIF_F_LRO;
1300 netdev->irq = adapter->msix_entries[0].vector;
1302 if (qlcnic_read_mac_addr(adapter))
1303 dev_warn(&pdev->dev, "failed to read mac addr\n");
1305 netif_carrier_off(netdev);
1306 netif_stop_queue(netdev);
1308 err = register_netdev(netdev);
1310 dev_err(&pdev->dev, "failed to register net device\n");
1317 static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac)
1319 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1320 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1322 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1323 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1326 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1333 static int __devinit
1334 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1336 struct net_device *netdev = NULL;
1337 struct qlcnic_adapter *adapter = NULL;
1339 uint8_t revision_id;
1340 uint8_t pci_using_dac;
1342 err = pci_enable_device(pdev);
1346 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1348 goto err_out_disable_pdev;
1351 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1353 goto err_out_disable_pdev;
1355 err = pci_request_regions(pdev, qlcnic_driver_name);
1357 goto err_out_disable_pdev;
1359 pci_set_master(pdev);
1360 pci_enable_pcie_error_reporting(pdev);
1362 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1364 dev_err(&pdev->dev, "failed to allocate net_device\n");
1366 goto err_out_free_res;
1369 SET_NETDEV_DEV(netdev, &pdev->dev);
1371 adapter = netdev_priv(netdev);
1372 adapter->netdev = netdev;
1373 adapter->pdev = pdev;
1374 adapter->dev_rst_time = jiffies;
1376 revision_id = pdev->revision;
1377 adapter->ahw.revision_id = revision_id;
1379 rwlock_init(&adapter->ahw.crb_lock);
1380 mutex_init(&adapter->ahw.mem_lock);
1382 spin_lock_init(&adapter->tx_clean_lock);
1383 INIT_LIST_HEAD(&adapter->mac_list);
1385 err = qlcnic_setup_pci_map(adapter);
1387 goto err_out_free_netdev;
1389 /* This will be reset for mezz cards */
1390 adapter->portnum = adapter->ahw.pci_func;
1392 err = qlcnic_get_board_info(adapter);
1394 dev_err(&pdev->dev, "Error getting board config info.\n");
1395 goto err_out_iounmap;
1398 if (qlcnic_read_mac_addr(adapter))
1399 dev_warn(&pdev->dev, "failed to read mac addr\n");
1401 if (qlcnic_setup_idc_param(adapter))
1402 goto err_out_iounmap;
1404 err = adapter->nic_ops->start_firmware(adapter);
1406 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1407 goto err_out_decr_ref;
1410 qlcnic_clear_stats(adapter);
1412 qlcnic_setup_intr(adapter);
1414 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
1416 goto err_out_disable_msi;
1418 pci_set_drvdata(pdev, adapter);
1420 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1422 switch (adapter->ahw.port_type) {
1424 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1425 adapter->netdev->name);
1428 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1429 adapter->netdev->name);
1433 qlcnic_create_diag_entries(adapter);
1437 err_out_disable_msi:
1438 qlcnic_teardown_intr(adapter);
1441 qlcnic_clr_all_drv_state(adapter);
1444 qlcnic_cleanup_pci_map(adapter);
1446 err_out_free_netdev:
1447 free_netdev(netdev);
1450 pci_release_regions(pdev);
1452 err_out_disable_pdev:
1453 pci_set_drvdata(pdev, NULL);
1454 pci_disable_device(pdev);
1458 static void __devexit qlcnic_remove(struct pci_dev *pdev)
1460 struct qlcnic_adapter *adapter;
1461 struct net_device *netdev;
1463 adapter = pci_get_drvdata(pdev);
1464 if (adapter == NULL)
1467 netdev = adapter->netdev;
1469 qlcnic_cancel_fw_work(adapter);
1471 unregister_netdev(netdev);
1473 qlcnic_detach(adapter);
1475 if (adapter->npars != NULL)
1476 kfree(adapter->npars);
1477 if (adapter->eswitch != NULL)
1478 kfree(adapter->eswitch);
1480 qlcnic_clr_all_drv_state(adapter);
1482 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1484 qlcnic_teardown_intr(adapter);
1486 qlcnic_remove_diag_entries(adapter);
1488 qlcnic_cleanup_pci_map(adapter);
1490 qlcnic_release_firmware(adapter);
1492 pci_disable_pcie_error_reporting(pdev);
1493 pci_release_regions(pdev);
1494 pci_disable_device(pdev);
1495 pci_set_drvdata(pdev, NULL);
1497 free_netdev(netdev);
1499 static int __qlcnic_shutdown(struct pci_dev *pdev)
1501 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1502 struct net_device *netdev = adapter->netdev;
1505 netif_device_detach(netdev);
1507 qlcnic_cancel_fw_work(adapter);
1509 if (netif_running(netdev))
1510 qlcnic_down(adapter, netdev);
1512 qlcnic_clr_all_drv_state(adapter);
1514 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1516 retval = pci_save_state(pdev);
1520 if (qlcnic_wol_supported(adapter)) {
1521 pci_enable_wake(pdev, PCI_D3cold, 1);
1522 pci_enable_wake(pdev, PCI_D3hot, 1);
1528 static void qlcnic_shutdown(struct pci_dev *pdev)
1530 if (__qlcnic_shutdown(pdev))
1533 pci_disable_device(pdev);
1538 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
1542 retval = __qlcnic_shutdown(pdev);
1546 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1551 qlcnic_resume(struct pci_dev *pdev)
1553 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1554 struct net_device *netdev = adapter->netdev;
1557 err = pci_enable_device(pdev);
1561 pci_set_power_state(pdev, PCI_D0);
1562 pci_set_master(pdev);
1563 pci_restore_state(pdev);
1565 err = adapter->nic_ops->start_firmware(adapter);
1567 dev_err(&pdev->dev, "failed to start firmware\n");
1571 if (netif_running(netdev)) {
1572 err = qlcnic_up(adapter, netdev);
1576 qlcnic_config_indev_addr(netdev, NETDEV_UP);
1579 netif_device_attach(netdev);
1580 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1585 static int qlcnic_open(struct net_device *netdev)
1587 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1590 if (adapter->driver_mismatch)
1593 err = qlcnic_attach(adapter);
1597 err = __qlcnic_up(adapter, netdev);
1601 netif_start_queue(netdev);
1606 qlcnic_detach(adapter);
1611 * qlcnic_close - Disables a network interface entry point
1613 static int qlcnic_close(struct net_device *netdev)
1615 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1617 __qlcnic_down(adapter, netdev);
1622 qlcnic_tso_check(struct net_device *netdev,
1623 struct qlcnic_host_tx_ring *tx_ring,
1624 struct cmd_desc_type0 *first_desc,
1625 struct sk_buff *skb)
1627 u8 opcode = TX_ETHER_PKT;
1628 __be16 protocol = skb->protocol;
1629 u16 flags = 0, vid = 0;
1630 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1631 struct cmd_desc_type0 *hwdesc;
1632 struct vlan_ethhdr *vh;
1633 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1634 u32 producer = tx_ring->producer;
1636 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
1638 vh = (struct vlan_ethhdr *)skb->data;
1639 protocol = vh->h_vlan_encapsulated_proto;
1640 flags = FLAGS_VLAN_TAGGED;
1642 } else if (vlan_tx_tag_present(skb)) {
1644 flags = FLAGS_VLAN_OOB;
1645 vid = vlan_tx_tag_get(skb);
1646 qlcnic_set_tx_vlan_tci(first_desc, vid);
1650 if (*(skb->data) & BIT_0) {
1652 memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN);
1655 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1656 skb_shinfo(skb)->gso_size > 0) {
1658 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1660 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1661 first_desc->total_hdr_length = hdr_len;
1663 first_desc->total_hdr_length += VLAN_HLEN;
1664 first_desc->tcp_hdr_offset = VLAN_HLEN;
1665 first_desc->ip_hdr_offset = VLAN_HLEN;
1666 /* Only in case of TSO on vlan device */
1667 flags |= FLAGS_VLAN_TAGGED;
1670 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1671 TX_TCP_LSO6 : TX_TCP_LSO;
1674 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1677 if (protocol == cpu_to_be16(ETH_P_IP)) {
1678 l4proto = ip_hdr(skb)->protocol;
1680 if (l4proto == IPPROTO_TCP)
1681 opcode = TX_TCP_PKT;
1682 else if (l4proto == IPPROTO_UDP)
1683 opcode = TX_UDP_PKT;
1684 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1685 l4proto = ipv6_hdr(skb)->nexthdr;
1687 if (l4proto == IPPROTO_TCP)
1688 opcode = TX_TCPV6_PKT;
1689 else if (l4proto == IPPROTO_UDP)
1690 opcode = TX_UDPV6_PKT;
1694 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1695 first_desc->ip_hdr_offset += skb_network_offset(skb);
1696 qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
1701 /* For LSO, we need to copy the MAC/IP/TCP headers into
1702 * the descriptor ring
1708 /* Create a TSO vlan header template for firmware */
1710 hwdesc = &tx_ring->desc_head[producer];
1711 tx_ring->cmd_buf_arr[producer].skb = NULL;
1713 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1714 hdr_len + VLAN_HLEN);
1716 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1717 skb_copy_from_linear_data(skb, vh, 12);
1718 vh->h_vlan_proto = htons(ETH_P_8021Q);
1719 vh->h_vlan_TCI = htons(vid);
1720 skb_copy_from_linear_data_offset(skb, 12,
1721 (char *)vh + 16, copy_len - 16);
1723 copied = copy_len - VLAN_HLEN;
1726 producer = get_next_index(producer, tx_ring->num_desc);
1729 while (copied < hdr_len) {
1731 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1732 (hdr_len - copied));
1734 hwdesc = &tx_ring->desc_head[producer];
1735 tx_ring->cmd_buf_arr[producer].skb = NULL;
1737 skb_copy_from_linear_data_offset(skb, copied,
1738 (char *)hwdesc + offset, copy_len);
1743 producer = get_next_index(producer, tx_ring->num_desc);
1746 tx_ring->producer = producer;
1748 adapter->stats.lso_frames++;
1752 qlcnic_map_tx_skb(struct pci_dev *pdev,
1753 struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf)
1755 struct qlcnic_skb_frag *nf;
1756 struct skb_frag_struct *frag;
1760 nr_frags = skb_shinfo(skb)->nr_frags;
1761 nf = &pbuf->frag_array[0];
1763 map = pci_map_single(pdev, skb->data,
1764 skb_headlen(skb), PCI_DMA_TODEVICE);
1765 if (pci_dma_mapping_error(pdev, map))
1769 nf->length = skb_headlen(skb);
1771 for (i = 0; i < nr_frags; i++) {
1772 frag = &skb_shinfo(skb)->frags[i];
1773 nf = &pbuf->frag_array[i+1];
1775 map = pci_map_page(pdev, frag->page, frag->page_offset,
1776 frag->size, PCI_DMA_TODEVICE);
1777 if (pci_dma_mapping_error(pdev, map))
1781 nf->length = frag->size;
1788 nf = &pbuf->frag_array[i+1];
1789 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
1792 nf = &pbuf->frag_array[0];
1793 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
1800 qlcnic_clear_cmddesc(u64 *desc)
1807 qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
1809 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1810 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
1811 struct qlcnic_cmd_buffer *pbuf;
1812 struct qlcnic_skb_frag *buffrag;
1813 struct cmd_desc_type0 *hwdesc, *first_desc;
1814 struct pci_dev *pdev;
1818 int frag_count, no_of_desc;
1819 u32 num_txd = tx_ring->num_desc;
1821 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
1822 netif_stop_queue(netdev);
1823 return NETDEV_TX_BUSY;
1826 frag_count = skb_shinfo(skb)->nr_frags + 1;
1828 /* 4 fragments per cmd des */
1829 no_of_desc = (frag_count + 3) >> 2;
1831 if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
1832 netif_stop_queue(netdev);
1834 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH)
1835 netif_start_queue(netdev);
1837 adapter->stats.xmit_off++;
1838 return NETDEV_TX_BUSY;
1842 producer = tx_ring->producer;
1843 pbuf = &tx_ring->cmd_buf_arr[producer];
1845 pdev = adapter->pdev;
1847 if (qlcnic_map_tx_skb(pdev, skb, pbuf)) {
1848 adapter->stats.tx_dma_map_error++;
1853 pbuf->frag_count = frag_count;
1855 first_desc = hwdesc = &tx_ring->desc_head[producer];
1856 qlcnic_clear_cmddesc((u64 *)hwdesc);
1858 qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len);
1859 qlcnic_set_tx_port(first_desc, adapter->portnum);
1861 for (i = 0; i < frag_count; i++) {
1865 if ((k == 0) && (i > 0)) {
1866 /* move to next desc.*/
1867 producer = get_next_index(producer, num_txd);
1868 hwdesc = &tx_ring->desc_head[producer];
1869 qlcnic_clear_cmddesc((u64 *)hwdesc);
1870 tx_ring->cmd_buf_arr[producer].skb = NULL;
1873 buffrag = &pbuf->frag_array[i];
1875 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
1878 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
1881 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
1884 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
1887 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
1892 tx_ring->producer = get_next_index(producer, num_txd);
1894 qlcnic_tso_check(netdev, tx_ring, first_desc, skb);
1896 qlcnic_update_cmd_producer(adapter, tx_ring);
1898 adapter->stats.txbytes += skb->len;
1899 adapter->stats.xmitcalled++;
1901 return NETDEV_TX_OK;
1904 adapter->stats.txdropped++;
1905 dev_kfree_skb_any(skb);
1906 return NETDEV_TX_OK;
1909 static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
1911 struct net_device *netdev = adapter->netdev;
1912 u32 temp, temp_state, temp_val;
1915 temp = QLCRD32(adapter, CRB_TEMP_STATE);
1917 temp_state = qlcnic_get_temp_state(temp);
1918 temp_val = qlcnic_get_temp_val(temp);
1920 if (temp_state == QLCNIC_TEMP_PANIC) {
1921 dev_err(&netdev->dev,
1922 "Device temperature %d degrees C exceeds"
1923 " maximum allowed. Hardware has been shut down.\n",
1926 } else if (temp_state == QLCNIC_TEMP_WARN) {
1927 if (adapter->temp == QLCNIC_TEMP_NORMAL) {
1928 dev_err(&netdev->dev,
1929 "Device temperature %d degrees C "
1930 "exceeds operating range."
1931 " Immediate action needed.\n",
1935 if (adapter->temp == QLCNIC_TEMP_WARN) {
1936 dev_info(&netdev->dev,
1937 "Device temperature is now %d degrees C"
1938 " in normal range.\n", temp_val);
1941 adapter->temp = temp_state;
1945 void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup)
1947 struct net_device *netdev = adapter->netdev;
1949 if (adapter->ahw.linkup && !linkup) {
1950 dev_info(&netdev->dev, "NIC Link is down\n");
1951 adapter->ahw.linkup = 0;
1952 if (netif_running(netdev)) {
1953 netif_carrier_off(netdev);
1954 netif_stop_queue(netdev);
1956 } else if (!adapter->ahw.linkup && linkup) {
1957 dev_info(&netdev->dev, "NIC Link is up\n");
1958 adapter->ahw.linkup = 1;
1959 if (netif_running(netdev)) {
1960 netif_carrier_on(netdev);
1961 netif_wake_queue(netdev);
1966 static void qlcnic_tx_timeout(struct net_device *netdev)
1968 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1970 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1973 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
1975 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
1976 adapter->need_fw_reset = 1;
1978 adapter->reset_context = 1;
1981 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
1983 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1984 struct net_device_stats *stats = &netdev->stats;
1986 memset(stats, 0, sizeof(*stats));
1988 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
1989 stats->tx_packets = adapter->stats.xmitfinished;
1990 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
1991 stats->tx_bytes = adapter->stats.txbytes;
1992 stats->rx_dropped = adapter->stats.rxdropped;
1993 stats->tx_dropped = adapter->stats.txdropped;
1998 static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
2002 status = readl(adapter->isr_int_vec);
2004 if (!(status & adapter->int_vec_bit))
2007 /* check interrupt state machine, to be sure */
2008 status = readl(adapter->crb_int_state_reg);
2009 if (!ISR_LEGACY_INT_TRIGGERED(status))
2012 writel(0xffffffff, adapter->tgt_status_reg);
2013 /* read twice to ensure write is flushed */
2014 readl(adapter->isr_int_vec);
2015 readl(adapter->isr_int_vec);
2020 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2022 struct qlcnic_host_sds_ring *sds_ring = data;
2023 struct qlcnic_adapter *adapter = sds_ring->adapter;
2025 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2027 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2028 writel(0xffffffff, adapter->tgt_status_reg);
2032 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2036 adapter->diag_cnt++;
2037 qlcnic_enable_int(sds_ring);
2041 static irqreturn_t qlcnic_intr(int irq, void *data)
2043 struct qlcnic_host_sds_ring *sds_ring = data;
2044 struct qlcnic_adapter *adapter = sds_ring->adapter;
2046 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2049 napi_schedule(&sds_ring->napi);
2054 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2056 struct qlcnic_host_sds_ring *sds_ring = data;
2057 struct qlcnic_adapter *adapter = sds_ring->adapter;
2059 /* clear interrupt */
2060 writel(0xffffffff, adapter->tgt_status_reg);
2062 napi_schedule(&sds_ring->napi);
2066 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2068 struct qlcnic_host_sds_ring *sds_ring = data;
2070 napi_schedule(&sds_ring->napi);
2074 static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter)
2076 u32 sw_consumer, hw_consumer;
2078 struct qlcnic_cmd_buffer *buffer;
2079 struct pci_dev *pdev = adapter->pdev;
2080 struct net_device *netdev = adapter->netdev;
2081 struct qlcnic_skb_frag *frag;
2083 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2085 if (!spin_trylock(&adapter->tx_clean_lock))
2088 sw_consumer = tx_ring->sw_consumer;
2089 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2091 while (sw_consumer != hw_consumer) {
2092 buffer = &tx_ring->cmd_buf_arr[sw_consumer];
2094 frag = &buffer->frag_array[0];
2095 pci_unmap_single(pdev, frag->dma, frag->length,
2098 for (i = 1; i < buffer->frag_count; i++) {
2100 pci_unmap_page(pdev, frag->dma, frag->length,
2105 adapter->stats.xmitfinished++;
2106 dev_kfree_skb_any(buffer->skb);
2110 sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc);
2111 if (++count >= MAX_STATUS_HANDLE)
2115 if (count && netif_running(netdev)) {
2116 tx_ring->sw_consumer = sw_consumer;
2120 if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) {
2121 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) {
2122 netif_wake_queue(netdev);
2123 adapter->stats.xmit_on++;
2126 adapter->tx_timeo_cnt = 0;
2129 * If everything is freed up to consumer then check if the ring is full
2130 * If the ring is full then check if more needs to be freed and
2131 * schedule the call back again.
2133 * This happens when there are 2 CPUs. One could be freeing and the
2134 * other filling it. If the ring is full when we get out of here and
2135 * the card has already interrupted the host then the host can miss the
2138 * There is still a possible race condition and the host could miss an
2139 * interrupt. The card has to take care of this.
2141 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2142 done = (sw_consumer == hw_consumer);
2143 spin_unlock(&adapter->tx_clean_lock);
2148 static int qlcnic_poll(struct napi_struct *napi, int budget)
2150 struct qlcnic_host_sds_ring *sds_ring =
2151 container_of(napi, struct qlcnic_host_sds_ring, napi);
2153 struct qlcnic_adapter *adapter = sds_ring->adapter;
2158 tx_complete = qlcnic_process_cmd_ring(adapter);
2160 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2162 if ((work_done < budget) && tx_complete) {
2163 napi_complete(&sds_ring->napi);
2164 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2165 qlcnic_enable_int(sds_ring);
2171 static int qlcnic_rx_poll(struct napi_struct *napi, int budget)
2173 struct qlcnic_host_sds_ring *sds_ring =
2174 container_of(napi, struct qlcnic_host_sds_ring, napi);
2176 struct qlcnic_adapter *adapter = sds_ring->adapter;
2179 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2181 if (work_done < budget) {
2182 napi_complete(&sds_ring->napi);
2183 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2184 qlcnic_enable_int(sds_ring);
2190 #ifdef CONFIG_NET_POLL_CONTROLLER
2191 static void qlcnic_poll_controller(struct net_device *netdev)
2193 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2194 disable_irq(adapter->irq);
2195 qlcnic_intr(adapter->irq, adapter);
2196 enable_irq(adapter->irq);
2201 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2205 val = adapter->portnum & 0xf;
2206 val |= encoding << 7;
2207 val |= (jiffies - adapter->dev_rst_time) << 8;
2209 QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2210 adapter->dev_rst_time = jiffies;
2214 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2218 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2219 state != QLCNIC_DEV_NEED_QUISCENT);
2221 if (qlcnic_api_lock(adapter))
2224 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2226 if (state == QLCNIC_DEV_NEED_RESET)
2227 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2228 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2229 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2231 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2233 qlcnic_api_unlock(adapter);
2239 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2243 if (qlcnic_api_lock(adapter))
2246 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2247 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2248 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2250 qlcnic_api_unlock(adapter);
2256 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter)
2260 if (qlcnic_api_lock(adapter))
2263 val = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT);
2264 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2265 QLCWR32(adapter, QLCNIC_CRB_DEV_REF_COUNT, val);
2267 if (!(val & 0x11111111))
2268 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD);
2270 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2271 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2272 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2274 qlcnic_api_unlock(adapter);
2276 adapter->fw_fail_cnt = 0;
2277 clear_bit(__QLCNIC_START_FW, &adapter->state);
2278 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2281 /* Grab api lock, before checking state */
2283 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2287 state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2288 act = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT);
2290 if (((state & 0x11111111) == (act & 0x11111111)) ||
2291 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2297 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2299 u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2301 if (val != QLCNIC_DRV_IDC_VER) {
2302 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2303 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2310 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2312 u32 val, prev_state;
2313 u8 dev_init_timeo = adapter->dev_init_timeo;
2314 u8 portnum = adapter->portnum;
2317 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2320 if (qlcnic_api_lock(adapter))
2323 val = QLCRD32(adapter, QLCNIC_CRB_DEV_REF_COUNT);
2324 if (!(val & (1 << (portnum * 4)))) {
2325 QLC_DEV_SET_REF_CNT(val, portnum);
2326 QLCWR32(adapter, QLCNIC_CRB_DEV_REF_COUNT, val);
2329 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2330 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2332 switch (prev_state) {
2333 case QLCNIC_DEV_COLD:
2334 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
2335 QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
2336 qlcnic_idc_debug_info(adapter, 0);
2337 qlcnic_api_unlock(adapter);
2340 case QLCNIC_DEV_READY:
2341 ret = qlcnic_check_idc_ver(adapter);
2342 qlcnic_api_unlock(adapter);
2345 case QLCNIC_DEV_NEED_RESET:
2346 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2347 QLC_DEV_SET_RST_RDY(val, portnum);
2348 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2351 case QLCNIC_DEV_NEED_QUISCENT:
2352 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2353 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2354 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2357 case QLCNIC_DEV_FAILED:
2358 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2359 qlcnic_api_unlock(adapter);
2362 case QLCNIC_DEV_INITIALIZING:
2363 case QLCNIC_DEV_QUISCENT:
2367 qlcnic_api_unlock(adapter);
2371 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2373 if (prev_state == QLCNIC_DEV_QUISCENT)
2375 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2377 if (!dev_init_timeo) {
2378 dev_err(&adapter->pdev->dev,
2379 "Waiting for device to initialize timeout\n");
2383 if (qlcnic_api_lock(adapter))
2386 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2387 QLC_DEV_CLR_RST_QSCNT(val, portnum);
2388 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2390 ret = qlcnic_check_idc_ver(adapter);
2391 qlcnic_api_unlock(adapter);
2397 qlcnic_fwinit_work(struct work_struct *work)
2399 struct qlcnic_adapter *adapter = container_of(work,
2400 struct qlcnic_adapter, fw_work.work);
2401 u32 dev_state = 0xf;
2403 if (qlcnic_api_lock(adapter))
2406 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2407 if (dev_state == QLCNIC_DEV_QUISCENT) {
2408 qlcnic_api_unlock(adapter);
2409 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2414 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
2415 qlcnic_api_unlock(adapter);
2419 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2420 dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2421 adapter->reset_ack_timeo);
2422 goto skip_ack_check;
2425 if (!qlcnic_check_drv_state(adapter)) {
2427 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2429 if (dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2430 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2431 QLCNIC_DEV_QUISCENT);
2432 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2434 QLCDB(adapter, DRV, "Quiscing the driver\n");
2435 qlcnic_idc_debug_info(adapter, 0);
2437 qlcnic_api_unlock(adapter);
2441 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2442 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2443 QLCNIC_DEV_INITIALIZING);
2444 set_bit(__QLCNIC_START_FW, &adapter->state);
2445 QLCDB(adapter, DRV, "Restarting fw\n");
2446 qlcnic_idc_debug_info(adapter, 0);
2449 qlcnic_api_unlock(adapter);
2451 if (!adapter->nic_ops->start_firmware(adapter)) {
2452 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2458 qlcnic_api_unlock(adapter);
2461 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2462 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2464 switch (dev_state) {
2465 case QLCNIC_DEV_READY:
2466 if (!adapter->nic_ops->start_firmware(adapter)) {
2467 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2470 case QLCNIC_DEV_FAILED:
2473 qlcnic_schedule_work(adapter,
2474 qlcnic_fwinit_work, FW_POLL_DELAY);
2479 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2480 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2481 netif_device_attach(adapter->netdev);
2482 qlcnic_clr_all_drv_state(adapter);
2486 qlcnic_detach_work(struct work_struct *work)
2488 struct qlcnic_adapter *adapter = container_of(work,
2489 struct qlcnic_adapter, fw_work.work);
2490 struct net_device *netdev = adapter->netdev;
2493 netif_device_detach(netdev);
2495 qlcnic_down(adapter, netdev);
2497 status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2499 if (status & QLCNIC_RCODE_FATAL_ERROR)
2502 if (adapter->temp == QLCNIC_TEMP_PANIC)
2505 if (qlcnic_set_drv_state(adapter, adapter->dev_state))
2508 adapter->fw_wait_cnt = 0;
2510 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2515 dev_err(&adapter->pdev->dev, "detach failed; status=%d temp=%d\n",
2516 status, adapter->temp);
2517 netif_device_attach(netdev);
2518 qlcnic_clr_all_drv_state(adapter);
2522 /*Transit NPAR state to NON Operational */
2524 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2528 state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2529 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2532 if (qlcnic_api_lock(adapter))
2534 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2535 qlcnic_api_unlock(adapter);
2538 /*Transit to RESET state from READY state only */
2540 qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
2544 adapter->need_fw_reset = 1;
2545 if (qlcnic_api_lock(adapter))
2548 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2550 if (state == QLCNIC_DEV_READY) {
2551 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
2552 QLCDB(adapter, DRV, "NEED_RESET state set\n");
2553 qlcnic_idc_debug_info(adapter, 0);
2556 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2557 qlcnic_api_unlock(adapter);
2560 /* Transit to NPAR READY state from NPAR NOT READY state */
2562 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2564 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
2565 adapter->op_mode != QLCNIC_MGMT_FUNC)
2567 if (qlcnic_api_lock(adapter))
2570 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER);
2571 QLCDB(adapter, DRV, "NPAR operational state set\n");
2573 qlcnic_api_unlock(adapter);
2577 qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2578 work_func_t func, int delay)
2580 if (test_bit(__QLCNIC_AER, &adapter->state))
2583 INIT_DELAYED_WORK(&adapter->fw_work, func);
2584 schedule_delayed_work(&adapter->fw_work, round_jiffies_relative(delay));
2588 qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
2590 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2593 cancel_delayed_work_sync(&adapter->fw_work);
2597 qlcnic_attach_work(struct work_struct *work)
2599 struct qlcnic_adapter *adapter = container_of(work,
2600 struct qlcnic_adapter, fw_work.work);
2601 struct net_device *netdev = adapter->netdev;
2603 if (netif_running(netdev)) {
2604 if (qlcnic_up(adapter, netdev))
2607 qlcnic_config_indev_addr(netdev, NETDEV_UP);
2611 netif_device_attach(netdev);
2612 adapter->fw_fail_cnt = 0;
2613 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2615 if (!qlcnic_clr_drv_state(adapter))
2616 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2621 qlcnic_check_health(struct qlcnic_adapter *adapter)
2623 u32 state = 0, heartbit;
2624 struct net_device *netdev = adapter->netdev;
2626 if (qlcnic_check_temp(adapter))
2629 if (adapter->need_fw_reset)
2630 qlcnic_dev_request_reset(adapter);
2632 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2633 if (state == QLCNIC_DEV_NEED_RESET ||
2634 state == QLCNIC_DEV_NEED_QUISCENT) {
2635 qlcnic_set_npar_non_operational(adapter);
2636 adapter->need_fw_reset = 1;
2639 heartbit = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
2640 if (heartbit != adapter->heartbit) {
2641 adapter->heartbit = heartbit;
2642 adapter->fw_fail_cnt = 0;
2643 if (adapter->need_fw_reset)
2646 if (adapter->reset_context &&
2647 auto_fw_reset == AUTO_FW_RESET_ENABLED) {
2648 qlcnic_reset_hw_context(adapter);
2649 adapter->netdev->trans_start = jiffies;
2655 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2658 qlcnic_dev_request_reset(adapter);
2660 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED))
2661 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
2663 dev_info(&netdev->dev, "firmware hang detected\n");
2666 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
2667 QLCNIC_DEV_NEED_RESET;
2669 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
2670 !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) {
2672 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
2673 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
2680 qlcnic_fw_poll_work(struct work_struct *work)
2682 struct qlcnic_adapter *adapter = container_of(work,
2683 struct qlcnic_adapter, fw_work.work);
2685 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2689 if (qlcnic_check_health(adapter))
2693 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
2696 static int qlcnic_is_first_func(struct pci_dev *pdev)
2698 struct pci_dev *oth_pdev;
2699 int val = pdev->devfn;
2702 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
2703 (pdev->bus), pdev->bus->number,
2704 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
2708 if (oth_pdev->current_state != PCI_D3cold) {
2709 pci_dev_put(oth_pdev);
2712 pci_dev_put(oth_pdev);
2717 static int qlcnic_attach_func(struct pci_dev *pdev)
2719 int err, first_func;
2720 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2721 struct net_device *netdev = adapter->netdev;
2723 pdev->error_state = pci_channel_io_normal;
2725 err = pci_enable_device(pdev);
2729 pci_set_power_state(pdev, PCI_D0);
2730 pci_set_master(pdev);
2731 pci_restore_state(pdev);
2733 first_func = qlcnic_is_first_func(pdev);
2735 if (qlcnic_api_lock(adapter))
2738 if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
2739 adapter->need_fw_reset = 1;
2740 set_bit(__QLCNIC_START_FW, &adapter->state);
2741 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
2742 QLCDB(adapter, DRV, "Restarting fw\n");
2744 qlcnic_api_unlock(adapter);
2746 err = adapter->nic_ops->start_firmware(adapter);
2750 qlcnic_clr_drv_state(adapter);
2751 qlcnic_setup_intr(adapter);
2753 if (netif_running(netdev)) {
2754 err = qlcnic_attach(adapter);
2756 qlcnic_clr_all_drv_state(adapter);
2757 clear_bit(__QLCNIC_AER, &adapter->state);
2758 netif_device_attach(netdev);
2762 err = qlcnic_up(adapter, netdev);
2766 qlcnic_config_indev_addr(netdev, NETDEV_UP);
2769 netif_device_attach(netdev);
2773 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
2774 pci_channel_state_t state)
2776 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2777 struct net_device *netdev = adapter->netdev;
2779 if (state == pci_channel_io_perm_failure)
2780 return PCI_ERS_RESULT_DISCONNECT;
2782 if (state == pci_channel_io_normal)
2783 return PCI_ERS_RESULT_RECOVERED;
2785 set_bit(__QLCNIC_AER, &adapter->state);
2786 netif_device_detach(netdev);
2788 cancel_delayed_work_sync(&adapter->fw_work);
2790 if (netif_running(netdev))
2791 qlcnic_down(adapter, netdev);
2793 qlcnic_detach(adapter);
2794 qlcnic_teardown_intr(adapter);
2796 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2798 pci_save_state(pdev);
2799 pci_disable_device(pdev);
2801 return PCI_ERS_RESULT_NEED_RESET;
2804 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
2806 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
2807 PCI_ERS_RESULT_RECOVERED;
2810 static void qlcnic_io_resume(struct pci_dev *pdev)
2812 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2814 pci_cleanup_aer_uncorrect_error_status(pdev);
2816 if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY &&
2817 test_and_clear_bit(__QLCNIC_AER, &adapter->state))
2818 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2824 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
2827 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
2830 err = qlcnic_can_start_firmware(adapter);
2834 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2835 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
2837 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2840 if (!npar_opt_timeo) {
2841 dev_err(&adapter->pdev->dev,
2842 "Waiting for NPAR state to opertional timeout\n");
2846 qlcnic_check_options(adapter);
2848 adapter->need_fw_reset = 0;
2854 qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
2860 qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
2866 qlcnic_store_bridged_mode(struct device *dev,
2867 struct device_attribute *attr, const char *buf, size_t len)
2869 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
2873 if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG))
2876 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
2879 if (strict_strtoul(buf, 2, &new))
2882 if (!adapter->nic_ops->config_bridged_mode(adapter, !!new))
2890 qlcnic_show_bridged_mode(struct device *dev,
2891 struct device_attribute *attr, char *buf)
2893 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
2894 int bridged_mode = 0;
2896 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
2897 bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED);
2899 return sprintf(buf, "%d\n", bridged_mode);
2902 static struct device_attribute dev_attr_bridged_mode = {
2903 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
2904 .show = qlcnic_show_bridged_mode,
2905 .store = qlcnic_store_bridged_mode,
2909 qlcnic_store_diag_mode(struct device *dev,
2910 struct device_attribute *attr, const char *buf, size_t len)
2912 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
2915 if (strict_strtoul(buf, 2, &new))
2918 if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED))
2919 adapter->flags ^= QLCNIC_DIAG_ENABLED;
2925 qlcnic_show_diag_mode(struct device *dev,
2926 struct device_attribute *attr, char *buf)
2928 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
2930 return sprintf(buf, "%d\n",
2931 !!(adapter->flags & QLCNIC_DIAG_ENABLED));
2934 static struct device_attribute dev_attr_diag_mode = {
2935 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
2936 .show = qlcnic_show_diag_mode,
2937 .store = qlcnic_store_diag_mode,
2941 qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter,
2942 loff_t offset, size_t size)
2944 size_t crb_size = 4;
2946 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
2949 if (offset < QLCNIC_PCI_CRBSPACE) {
2950 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM,
2951 QLCNIC_PCI_CAMQM_END))
2957 if ((size != crb_size) || (offset & (crb_size-1)))
2964 qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj,
2965 struct bin_attribute *attr,
2966 char *buf, loff_t offset, size_t size)
2968 struct device *dev = container_of(kobj, struct device, kobj);
2969 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
2974 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
2978 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
2979 qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata);
2980 memcpy(buf, &qmdata, size);
2982 data = QLCRD32(adapter, offset);
2983 memcpy(buf, &data, size);
2989 qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj,
2990 struct bin_attribute *attr,
2991 char *buf, loff_t offset, size_t size)
2993 struct device *dev = container_of(kobj, struct device, kobj);
2994 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
2999 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3003 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3004 memcpy(&qmdata, buf, size);
3005 qlcnic_pci_camqm_write_2M(adapter, offset, qmdata);
3007 memcpy(&data, buf, size);
3008 QLCWR32(adapter, offset, data);
3014 qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter,
3015 loff_t offset, size_t size)
3017 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3020 if ((size != 8) || (offset & 0x7))
3027 qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj,
3028 struct bin_attribute *attr,
3029 char *buf, loff_t offset, size_t size)
3031 struct device *dev = container_of(kobj, struct device, kobj);
3032 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3036 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3040 if (qlcnic_pci_mem_read_2M(adapter, offset, &data))
3043 memcpy(buf, &data, size);
3049 qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj,
3050 struct bin_attribute *attr,
3051 char *buf, loff_t offset, size_t size)
3053 struct device *dev = container_of(kobj, struct device, kobj);
3054 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3058 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3062 memcpy(&data, buf, size);
3064 if (qlcnic_pci_mem_write_2M(adapter, offset, data))
3071 static struct bin_attribute bin_attr_crb = {
3072 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
3074 .read = qlcnic_sysfs_read_crb,
3075 .write = qlcnic_sysfs_write_crb,
3078 static struct bin_attribute bin_attr_mem = {
3079 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
3081 .read = qlcnic_sysfs_read_mem,
3082 .write = qlcnic_sysfs_write_mem,
3086 validate_pm_config(struct qlcnic_adapter *adapter,
3087 struct qlcnic_pm_func_cfg *pm_cfg, int count)
3090 u8 src_pci_func, s_esw_id, d_esw_id;
3094 for (i = 0; i < count; i++) {
3095 src_pci_func = pm_cfg[i].pci_func;
3096 dest_pci_func = pm_cfg[i].dest_npar;
3097 if (src_pci_func >= QLCNIC_MAX_PCI_FUNC
3098 || dest_pci_func >= QLCNIC_MAX_PCI_FUNC)
3099 return QL_STATUS_INVALID_PARAM;
3101 if (adapter->npars[src_pci_func].type != QLCNIC_TYPE_NIC)
3102 return QL_STATUS_INVALID_PARAM;
3104 if (adapter->npars[dest_pci_func].type != QLCNIC_TYPE_NIC)
3105 return QL_STATUS_INVALID_PARAM;
3107 if (!IS_VALID_MODE(pm_cfg[i].action))
3108 return QL_STATUS_INVALID_PARAM;
3110 s_esw_id = adapter->npars[src_pci_func].phy_port;
3111 d_esw_id = adapter->npars[dest_pci_func].phy_port;
3113 if (s_esw_id != d_esw_id)
3114 return QL_STATUS_INVALID_PARAM;
3122 qlcnic_sysfs_write_pm_config(struct file *filp, struct kobject *kobj,
3123 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3125 struct device *dev = container_of(kobj, struct device, kobj);
3126 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3127 struct qlcnic_pm_func_cfg *pm_cfg;
3128 u32 id, action, pci_func;
3129 int count, rem, i, ret;
3131 count = size / sizeof(struct qlcnic_pm_func_cfg);
3132 rem = size % sizeof(struct qlcnic_pm_func_cfg);
3134 return QL_STATUS_INVALID_PARAM;
3136 pm_cfg = (struct qlcnic_pm_func_cfg *) buf;
3138 ret = validate_pm_config(adapter, pm_cfg, count);
3141 for (i = 0; i < count; i++) {
3142 pci_func = pm_cfg[i].pci_func;
3143 action = pm_cfg[i].action;
3144 id = adapter->npars[pci_func].phy_port;
3145 ret = qlcnic_config_port_mirroring(adapter, id,
3151 for (i = 0; i < count; i++) {
3152 pci_func = pm_cfg[i].pci_func;
3153 id = adapter->npars[pci_func].phy_port;
3154 adapter->npars[pci_func].enable_pm = pm_cfg[i].action;
3155 adapter->npars[pci_func].dest_npar = id;
3161 qlcnic_sysfs_read_pm_config(struct file *filp, struct kobject *kobj,
3162 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3164 struct device *dev = container_of(kobj, struct device, kobj);
3165 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3166 struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC];
3169 if (size != sizeof(pm_cfg))
3170 return QL_STATUS_INVALID_PARAM;
3172 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3173 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3175 pm_cfg[i].action = adapter->npars[i].enable_pm;
3176 pm_cfg[i].dest_npar = 0;
3177 pm_cfg[i].pci_func = i;
3179 memcpy(buf, &pm_cfg, size);
3185 validate_esw_config(struct qlcnic_adapter *adapter,
3186 struct qlcnic_esw_func_cfg *esw_cfg, int count)
3191 for (i = 0; i < count; i++) {
3192 pci_func = esw_cfg[i].pci_func;
3193 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3194 return QL_STATUS_INVALID_PARAM;
3196 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3197 return QL_STATUS_INVALID_PARAM;
3199 if (esw_cfg->host_vlan_tag == 1)
3200 if (!IS_VALID_VLAN(esw_cfg[i].vlan_id))
3201 return QL_STATUS_INVALID_PARAM;
3203 if (!IS_VALID_MODE(esw_cfg[i].promisc_mode)
3204 || !IS_VALID_MODE(esw_cfg[i].host_vlan_tag)
3205 || !IS_VALID_MODE(esw_cfg[i].mac_learning)
3206 || !IS_VALID_MODE(esw_cfg[i].discard_tagged))
3207 return QL_STATUS_INVALID_PARAM;
3214 qlcnic_sysfs_write_esw_config(struct file *file, struct kobject *kobj,
3215 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3217 struct device *dev = container_of(kobj, struct device, kobj);
3218 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3219 struct qlcnic_esw_func_cfg *esw_cfg;
3220 int count, rem, i, ret;
3223 count = size / sizeof(struct qlcnic_esw_func_cfg);
3224 rem = size % sizeof(struct qlcnic_esw_func_cfg);
3226 return QL_STATUS_INVALID_PARAM;
3228 esw_cfg = (struct qlcnic_esw_func_cfg *) buf;
3229 ret = validate_esw_config(adapter, esw_cfg, count);
3233 for (i = 0; i < count; i++) {
3234 pci_func = esw_cfg[i].pci_func;
3235 id = adapter->npars[pci_func].phy_port;
3236 ret = qlcnic_config_switch_port(adapter, id,
3237 esw_cfg[i].host_vlan_tag,
3238 esw_cfg[i].discard_tagged,
3239 esw_cfg[i].promisc_mode,
3240 esw_cfg[i].mac_learning,
3241 esw_cfg[i].pci_func,
3242 esw_cfg[i].vlan_id);
3247 for (i = 0; i < count; i++) {
3248 pci_func = esw_cfg[i].pci_func;
3249 adapter->npars[pci_func].promisc_mode = esw_cfg[i].promisc_mode;
3250 adapter->npars[pci_func].mac_learning = esw_cfg[i].mac_learning;
3251 adapter->npars[pci_func].vlan_id = esw_cfg[i].vlan_id;
3252 adapter->npars[pci_func].discard_tagged =
3253 esw_cfg[i].discard_tagged;
3254 adapter->npars[pci_func].host_vlan_tag =
3255 esw_cfg[i].host_vlan_tag;
3262 qlcnic_sysfs_read_esw_config(struct file *file, struct kobject *kobj,
3263 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3265 struct device *dev = container_of(kobj, struct device, kobj);
3266 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3267 struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC];
3270 if (size != sizeof(esw_cfg))
3271 return QL_STATUS_INVALID_PARAM;
3273 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3274 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3277 esw_cfg[i].host_vlan_tag = adapter->npars[i].host_vlan_tag;
3278 esw_cfg[i].promisc_mode = adapter->npars[i].promisc_mode;
3279 esw_cfg[i].discard_tagged = adapter->npars[i].discard_tagged;
3280 esw_cfg[i].vlan_id = adapter->npars[i].vlan_id;
3281 esw_cfg[i].mac_learning = adapter->npars[i].mac_learning;
3283 memcpy(buf, &esw_cfg, size);
3289 validate_npar_config(struct qlcnic_adapter *adapter,
3290 struct qlcnic_npar_func_cfg *np_cfg, int count)
3294 for (i = 0; i < count; i++) {
3295 pci_func = np_cfg[i].pci_func;
3296 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3297 return QL_STATUS_INVALID_PARAM;
3299 if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3300 return QL_STATUS_INVALID_PARAM;
3302 if (!IS_VALID_BW(np_cfg[i].min_bw)
3303 || !IS_VALID_BW(np_cfg[i].max_bw)
3304 || !IS_VALID_RX_QUEUES(np_cfg[i].max_rx_queues)
3305 || !IS_VALID_TX_QUEUES(np_cfg[i].max_tx_queues))
3306 return QL_STATUS_INVALID_PARAM;
3312 qlcnic_sysfs_write_npar_config(struct file *file, struct kobject *kobj,
3313 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3315 struct device *dev = container_of(kobj, struct device, kobj);
3316 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3317 struct qlcnic_info nic_info;
3318 struct qlcnic_npar_func_cfg *np_cfg;
3319 int i, count, rem, ret;
3322 count = size / sizeof(struct qlcnic_npar_func_cfg);
3323 rem = size % sizeof(struct qlcnic_npar_func_cfg);
3325 return QL_STATUS_INVALID_PARAM;
3327 np_cfg = (struct qlcnic_npar_func_cfg *) buf;
3328 ret = validate_npar_config(adapter, np_cfg, count);
3332 for (i = 0; i < count ; i++) {
3333 pci_func = np_cfg[i].pci_func;
3334 ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
3337 nic_info.pci_func = pci_func;
3338 nic_info.min_tx_bw = np_cfg[i].min_bw;
3339 nic_info.max_tx_bw = np_cfg[i].max_bw;
3340 ret = qlcnic_set_nic_info(adapter, &nic_info);
3343 adapter->npars[i].min_bw = nic_info.min_tx_bw;
3344 adapter->npars[i].max_bw = nic_info.max_tx_bw;
3351 qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj,
3352 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3354 struct device *dev = container_of(kobj, struct device, kobj);
3355 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3356 struct qlcnic_info nic_info;
3357 struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC];
3360 if (size != sizeof(np_cfg))
3361 return QL_STATUS_INVALID_PARAM;
3363 for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
3364 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3366 ret = qlcnic_get_nic_info(adapter, &nic_info, i);
3370 np_cfg[i].pci_func = i;
3371 np_cfg[i].op_mode = nic_info.op_mode;
3372 np_cfg[i].port_num = nic_info.phys_port;
3373 np_cfg[i].fw_capab = nic_info.capabilities;
3374 np_cfg[i].min_bw = nic_info.min_tx_bw ;
3375 np_cfg[i].max_bw = nic_info.max_tx_bw;
3376 np_cfg[i].max_tx_queues = nic_info.max_tx_ques;
3377 np_cfg[i].max_rx_queues = nic_info.max_rx_ques;
3379 memcpy(buf, &np_cfg, size);
3384 qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj,
3385 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3387 struct device *dev = container_of(kobj, struct device, kobj);
3388 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3389 struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC];
3390 struct qlcnic_pci_info *pci_info;
3393 if (size != sizeof(pci_cfg))
3394 return QL_STATUS_INVALID_PARAM;
3396 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
3400 ret = qlcnic_get_pci_info(adapter, pci_info);
3406 for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
3407 pci_cfg[i].pci_func = pci_info[i].id;
3408 pci_cfg[i].func_type = pci_info[i].type;
3409 pci_cfg[i].port_num = pci_info[i].default_port;
3410 pci_cfg[i].min_bw = pci_info[i].tx_min_bw;
3411 pci_cfg[i].max_bw = pci_info[i].tx_max_bw;
3412 memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN);
3414 memcpy(buf, &pci_cfg, size);
3418 static struct bin_attribute bin_attr_npar_config = {
3419 .attr = {.name = "npar_config", .mode = (S_IRUGO | S_IWUSR)},
3421 .read = qlcnic_sysfs_read_npar_config,
3422 .write = qlcnic_sysfs_write_npar_config,
3425 static struct bin_attribute bin_attr_pci_config = {
3426 .attr = {.name = "pci_config", .mode = (S_IRUGO | S_IWUSR)},
3428 .read = qlcnic_sysfs_read_pci_config,
3432 static struct bin_attribute bin_attr_esw_config = {
3433 .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)},
3435 .read = qlcnic_sysfs_read_esw_config,
3436 .write = qlcnic_sysfs_write_esw_config,
3439 static struct bin_attribute bin_attr_pm_config = {
3440 .attr = {.name = "pm_config", .mode = (S_IRUGO | S_IWUSR)},
3442 .read = qlcnic_sysfs_read_pm_config,
3443 .write = qlcnic_sysfs_write_pm_config,
3447 qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter)
3449 struct device *dev = &adapter->pdev->dev;
3451 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
3452 if (device_create_file(dev, &dev_attr_bridged_mode))
3454 "failed to create bridged_mode sysfs entry\n");
3458 qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter)
3460 struct device *dev = &adapter->pdev->dev;
3462 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
3463 device_remove_file(dev, &dev_attr_bridged_mode);
3467 qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
3469 struct device *dev = &adapter->pdev->dev;
3471 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
3473 if (device_create_file(dev, &dev_attr_diag_mode))
3474 dev_info(dev, "failed to create diag_mode sysfs entry\n");
3475 if (device_create_bin_file(dev, &bin_attr_crb))
3476 dev_info(dev, "failed to create crb sysfs entry\n");
3477 if (device_create_bin_file(dev, &bin_attr_mem))
3478 dev_info(dev, "failed to create mem sysfs entry\n");
3479 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
3480 adapter->op_mode != QLCNIC_MGMT_FUNC)
3482 if (device_create_bin_file(dev, &bin_attr_pci_config))
3483 dev_info(dev, "failed to create pci config sysfs entry");
3484 if (device_create_bin_file(dev, &bin_attr_npar_config))
3485 dev_info(dev, "failed to create npar config sysfs entry");
3486 if (device_create_bin_file(dev, &bin_attr_esw_config))
3487 dev_info(dev, "failed to create esw config sysfs entry");
3488 if (device_create_bin_file(dev, &bin_attr_pm_config))
3489 dev_info(dev, "failed to create pm config sysfs entry");
3494 qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
3496 struct device *dev = &adapter->pdev->dev;
3498 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
3500 device_remove_file(dev, &dev_attr_diag_mode);
3501 device_remove_bin_file(dev, &bin_attr_crb);
3502 device_remove_bin_file(dev, &bin_attr_mem);
3503 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
3504 adapter->op_mode != QLCNIC_MGMT_FUNC)
3506 device_remove_bin_file(dev, &bin_attr_pci_config);
3507 device_remove_bin_file(dev, &bin_attr_npar_config);
3508 device_remove_bin_file(dev, &bin_attr_esw_config);
3509 device_remove_bin_file(dev, &bin_attr_pm_config);
3514 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
3517 qlcnic_config_indev_addr(struct net_device *dev, unsigned long event)
3519 struct in_device *indev;
3520 struct qlcnic_adapter *adapter = netdev_priv(dev);
3522 indev = in_dev_get(dev);
3529 qlcnic_config_ipaddr(adapter,
3530 ifa->ifa_address, QLCNIC_IP_UP);
3533 qlcnic_config_ipaddr(adapter,
3534 ifa->ifa_address, QLCNIC_IP_DOWN);
3539 } endfor_ifa(indev);
3544 static int qlcnic_netdev_event(struct notifier_block *this,
3545 unsigned long event, void *ptr)
3547 struct qlcnic_adapter *adapter;
3548 struct net_device *dev = (struct net_device *)ptr;
3554 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3555 dev = vlan_dev_real_dev(dev);
3559 if (!is_qlcnic_netdev(dev))
3562 adapter = netdev_priv(dev);
3567 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3570 qlcnic_config_indev_addr(dev, event);
3576 qlcnic_inetaddr_event(struct notifier_block *this,
3577 unsigned long event, void *ptr)
3579 struct qlcnic_adapter *adapter;
3580 struct net_device *dev;
3582 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3584 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3587 if (dev == NULL || !netif_running(dev))
3590 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3591 dev = vlan_dev_real_dev(dev);
3595 if (!is_qlcnic_netdev(dev))
3598 adapter = netdev_priv(dev);
3603 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3608 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
3611 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
3621 static struct notifier_block qlcnic_netdev_cb = {
3622 .notifier_call = qlcnic_netdev_event,
3625 static struct notifier_block qlcnic_inetaddr_cb = {
3626 .notifier_call = qlcnic_inetaddr_event,
3630 qlcnic_config_indev_addr(struct net_device *dev, unsigned long event)
3633 static struct pci_error_handlers qlcnic_err_handler = {
3634 .error_detected = qlcnic_io_error_detected,
3635 .slot_reset = qlcnic_io_slot_reset,
3636 .resume = qlcnic_io_resume,
3639 static struct pci_driver qlcnic_driver = {
3640 .name = qlcnic_driver_name,
3641 .id_table = qlcnic_pci_tbl,
3642 .probe = qlcnic_probe,
3643 .remove = __devexit_p(qlcnic_remove),
3645 .suspend = qlcnic_suspend,
3646 .resume = qlcnic_resume,
3648 .shutdown = qlcnic_shutdown,
3649 .err_handler = &qlcnic_err_handler
3653 static int __init qlcnic_init_module(void)
3657 printk(KERN_INFO "%s\n", qlcnic_driver_string);
3660 register_netdevice_notifier(&qlcnic_netdev_cb);
3661 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
3664 ret = pci_register_driver(&qlcnic_driver);
3667 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3668 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3675 module_init(qlcnic_init_module);
3677 static void __exit qlcnic_exit_module(void)
3680 pci_unregister_driver(&qlcnic_driver);
3683 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
3684 unregister_netdevice_notifier(&qlcnic_netdev_cb);
3688 module_exit(qlcnic_exit_module);