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/swab.h>
32 #include <linux/dma-mapping.h>
33 #include <linux/if_vlan.h>
35 #include <linux/ipv6.h>
36 #include <linux/inetdevice.h>
37 #include <linux/sysfs.h>
38 #include <linux/aer.h>
40 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
41 MODULE_LICENSE("GPL");
42 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
43 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
45 char qlcnic_driver_name[] = "qlcnic";
46 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
47 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
49 static struct workqueue_struct *qlcnic_wq;
50 static int qlcnic_mac_learn;
51 module_param(qlcnic_mac_learn, int, 0644);
52 MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)");
54 static int use_msi = 1;
55 module_param(use_msi, int, 0644);
56 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
58 static int use_msi_x = 1;
59 module_param(use_msi_x, int, 0644);
60 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
62 static int auto_fw_reset = AUTO_FW_RESET_ENABLED;
63 module_param(auto_fw_reset, int, 0644);
64 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
66 static int load_fw_file;
67 module_param(load_fw_file, int, 0644);
68 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
70 static int qlcnic_config_npars;
71 module_param(qlcnic_config_npars, int, 0644);
72 MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
74 static int __devinit qlcnic_probe(struct pci_dev *pdev,
75 const struct pci_device_id *ent);
76 static void __devexit qlcnic_remove(struct pci_dev *pdev);
77 static int qlcnic_open(struct net_device *netdev);
78 static int qlcnic_close(struct net_device *netdev);
79 static void qlcnic_tx_timeout(struct net_device *netdev);
80 static void qlcnic_attach_work(struct work_struct *work);
81 static void qlcnic_fwinit_work(struct work_struct *work);
82 static void qlcnic_fw_poll_work(struct work_struct *work);
83 static void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
84 work_func_t func, int delay);
85 static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter);
86 static int qlcnic_poll(struct napi_struct *napi, int budget);
87 static int qlcnic_rx_poll(struct napi_struct *napi, int budget);
88 #ifdef CONFIG_NET_POLL_CONTROLLER
89 static void qlcnic_poll_controller(struct net_device *netdev);
92 static void qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter);
93 static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter);
94 static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter);
95 static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter);
97 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
98 static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
99 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
101 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
102 static irqreturn_t qlcnic_intr(int irq, void *data);
103 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
104 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
106 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
107 static void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long);
108 static int qlcnic_start_firmware(struct qlcnic_adapter *);
110 static void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter);
111 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
112 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
113 static int qlcnicvf_config_led(struct qlcnic_adapter *, u32, u32);
114 static int qlcnicvf_config_bridged_mode(struct qlcnic_adapter *, u32);
115 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
116 static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
117 struct qlcnic_esw_func_cfg *);
118 /* PCI Device ID Table */
119 #define ENTRY(device) \
120 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
121 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
123 #define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020
125 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
126 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
130 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
134 qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter,
135 struct qlcnic_host_tx_ring *tx_ring)
137 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
140 static const u32 msi_tgt_status[8] = {
141 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
142 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
143 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
144 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
148 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
150 static inline void qlcnic_disable_int(struct qlcnic_host_sds_ring *sds_ring)
152 writel(0, sds_ring->crb_intr_mask);
155 static inline void qlcnic_enable_int(struct qlcnic_host_sds_ring *sds_ring)
157 struct qlcnic_adapter *adapter = sds_ring->adapter;
159 writel(0x1, sds_ring->crb_intr_mask);
161 if (!QLCNIC_IS_MSI_FAMILY(adapter))
162 writel(0xfbff, adapter->tgt_mask_reg);
166 qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
168 int size = sizeof(struct qlcnic_host_sds_ring) * count;
170 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
172 return recv_ctx->sds_rings == NULL;
176 qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
178 if (recv_ctx->sds_rings != NULL)
179 kfree(recv_ctx->sds_rings);
181 recv_ctx->sds_rings = NULL;
185 qlcnic_napi_add(struct qlcnic_adapter *adapter, struct net_device *netdev)
188 struct qlcnic_host_sds_ring *sds_ring;
189 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
191 if (qlcnic_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
194 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
195 sds_ring = &recv_ctx->sds_rings[ring];
197 if (ring == adapter->max_sds_rings - 1)
198 netif_napi_add(netdev, &sds_ring->napi, qlcnic_poll,
199 QLCNIC_NETDEV_WEIGHT/adapter->max_sds_rings);
201 netif_napi_add(netdev, &sds_ring->napi,
202 qlcnic_rx_poll, QLCNIC_NETDEV_WEIGHT*2);
209 qlcnic_napi_del(struct qlcnic_adapter *adapter)
212 struct qlcnic_host_sds_ring *sds_ring;
213 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
215 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
216 sds_ring = &recv_ctx->sds_rings[ring];
217 netif_napi_del(&sds_ring->napi);
220 qlcnic_free_sds_rings(&adapter->recv_ctx);
224 qlcnic_napi_enable(struct qlcnic_adapter *adapter)
227 struct qlcnic_host_sds_ring *sds_ring;
228 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
230 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
233 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
234 sds_ring = &recv_ctx->sds_rings[ring];
235 napi_enable(&sds_ring->napi);
236 qlcnic_enable_int(sds_ring);
241 qlcnic_napi_disable(struct qlcnic_adapter *adapter)
244 struct qlcnic_host_sds_ring *sds_ring;
245 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
247 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
250 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
251 sds_ring = &recv_ctx->sds_rings[ring];
252 qlcnic_disable_int(sds_ring);
253 napi_synchronize(&sds_ring->napi);
254 napi_disable(&sds_ring->napi);
258 static void qlcnic_clear_stats(struct qlcnic_adapter *adapter)
260 memset(&adapter->stats, 0, sizeof(adapter->stats));
263 static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable)
268 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
270 pci_read_config_dword(pdev, pos, &control);
272 control |= PCI_MSIX_FLAGS_ENABLE;
275 pci_write_config_dword(pdev, pos, control);
279 static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count)
283 for (i = 0; i < count; i++)
284 adapter->msix_entries[i].entry = i;
288 qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
290 u8 mac_addr[ETH_ALEN];
291 struct net_device *netdev = adapter->netdev;
292 struct pci_dev *pdev = adapter->pdev;
294 if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
297 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
298 memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
299 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
301 /* set station address */
303 if (!is_valid_ether_addr(netdev->perm_addr))
304 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
310 static int qlcnic_set_mac(struct net_device *netdev, void *p)
312 struct qlcnic_adapter *adapter = netdev_priv(netdev);
313 struct sockaddr *addr = p;
315 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
318 if (!is_valid_ether_addr(addr->sa_data))
321 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
322 netif_device_detach(netdev);
323 qlcnic_napi_disable(adapter);
326 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
327 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
328 qlcnic_set_multi(adapter->netdev);
330 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
331 netif_device_attach(netdev);
332 qlcnic_napi_enable(adapter);
337 static void qlcnic_vlan_rx_register(struct net_device *netdev,
338 struct vlan_group *grp)
340 struct qlcnic_adapter *adapter = netdev_priv(netdev);
341 adapter->vlgrp = grp;
344 static const struct net_device_ops qlcnic_netdev_ops = {
345 .ndo_open = qlcnic_open,
346 .ndo_stop = qlcnic_close,
347 .ndo_start_xmit = qlcnic_xmit_frame,
348 .ndo_get_stats = qlcnic_get_stats,
349 .ndo_validate_addr = eth_validate_addr,
350 .ndo_set_multicast_list = qlcnic_set_multi,
351 .ndo_set_mac_address = qlcnic_set_mac,
352 .ndo_change_mtu = qlcnic_change_mtu,
353 .ndo_tx_timeout = qlcnic_tx_timeout,
354 .ndo_vlan_rx_register = qlcnic_vlan_rx_register,
355 #ifdef CONFIG_NET_POLL_CONTROLLER
356 .ndo_poll_controller = qlcnic_poll_controller,
360 static struct qlcnic_nic_template qlcnic_ops = {
361 .config_bridged_mode = qlcnic_config_bridged_mode,
362 .config_led = qlcnic_config_led,
363 .start_firmware = qlcnic_start_firmware
366 static struct qlcnic_nic_template qlcnic_vf_ops = {
367 .config_bridged_mode = qlcnicvf_config_bridged_mode,
368 .config_led = qlcnicvf_config_led,
369 .start_firmware = qlcnicvf_start_firmware
373 qlcnic_setup_intr(struct qlcnic_adapter *adapter)
375 const struct qlcnic_legacy_intr_set *legacy_intrp;
376 struct pci_dev *pdev = adapter->pdev;
379 if (adapter->rss_supported) {
380 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
381 MSIX_ENTRIES_PER_ADAPTER : 2;
385 adapter->max_sds_rings = 1;
387 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
389 legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
391 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
392 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
393 legacy_intrp->tgt_status_reg);
394 adapter->tgt_mask_reg = qlcnic_get_ioaddr(adapter,
395 legacy_intrp->tgt_mask_reg);
396 adapter->isr_int_vec = qlcnic_get_ioaddr(adapter, ISR_INT_VECTOR);
398 adapter->crb_int_state_reg = qlcnic_get_ioaddr(adapter,
401 qlcnic_set_msix_bit(pdev, 0);
403 if (adapter->msix_supported) {
405 qlcnic_init_msix_entries(adapter, num_msix);
406 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
408 adapter->flags |= QLCNIC_MSIX_ENABLED;
409 qlcnic_set_msix_bit(pdev, 1);
411 if (adapter->rss_supported)
412 adapter->max_sds_rings = num_msix;
414 dev_info(&pdev->dev, "using msi-x interrupts\n");
419 pci_disable_msix(pdev);
421 /* fall through for msi */
424 if (use_msi && !pci_enable_msi(pdev)) {
425 adapter->flags |= QLCNIC_MSI_ENABLED;
426 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter,
427 msi_tgt_status[adapter->ahw.pci_func]);
428 dev_info(&pdev->dev, "using msi interrupts\n");
429 adapter->msix_entries[0].vector = pdev->irq;
433 dev_info(&pdev->dev, "using legacy interrupts\n");
434 adapter->msix_entries[0].vector = pdev->irq;
438 qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
440 if (adapter->flags & QLCNIC_MSIX_ENABLED)
441 pci_disable_msix(adapter->pdev);
442 if (adapter->flags & QLCNIC_MSI_ENABLED)
443 pci_disable_msi(adapter->pdev);
447 qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
449 if (adapter->ahw.pci_base0 != NULL)
450 iounmap(adapter->ahw.pci_base0);
454 qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
456 struct qlcnic_pci_info *pci_info;
460 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
464 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
465 QLCNIC_MAX_PCI_FUNC, GFP_KERNEL);
466 if (!adapter->npars) {
471 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
472 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
473 if (!adapter->eswitch) {
478 ret = qlcnic_get_pci_info(adapter, pci_info);
482 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
483 pfn = pci_info[i].id;
484 if (pfn > QLCNIC_MAX_PCI_FUNC)
485 return QL_STATUS_INVALID_PARAM;
486 adapter->npars[pfn].active = (u8)pci_info[i].active;
487 adapter->npars[pfn].type = (u8)pci_info[i].type;
488 adapter->npars[pfn].phy_port = (u8)pci_info[i].default_port;
489 adapter->npars[pfn].min_bw = pci_info[i].tx_min_bw;
490 adapter->npars[pfn].max_bw = pci_info[i].tx_max_bw;
493 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
494 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
500 kfree(adapter->eswitch);
501 adapter->eswitch = NULL;
503 kfree(adapter->npars);
504 adapter->npars = NULL;
512 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
517 u32 data = QLCNIC_MGMT_FUNC;
518 void __iomem *priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE;
520 /* If other drivers are not in use set their privilege level */
521 ref_count = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
522 ret = qlcnic_api_lock(adapter);
526 if (qlcnic_config_npars) {
527 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
529 if (adapter->npars[i].type != QLCNIC_TYPE_NIC ||
530 id == adapter->ahw.pci_func)
532 data |= (qlcnic_config_npars &
533 QLC_DEV_SET_DRV(0xf, id));
536 data = readl(priv_op);
537 data = (data & ~QLC_DEV_SET_DRV(0xf, adapter->ahw.pci_func)) |
538 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
539 adapter->ahw.pci_func));
541 writel(data, priv_op);
542 qlcnic_api_unlock(adapter);
548 qlcnic_check_vf(struct qlcnic_adapter *adapter)
550 void __iomem *msix_base_addr;
551 void __iomem *priv_op;
554 u32 op_mode, priv_level;
556 /* Determine FW API version */
557 adapter->fw_hal_version = readl(adapter->ahw.pci_base0 + QLCNIC_FW_API);
559 /* Find PCI function number */
560 pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func);
561 msix_base_addr = adapter->ahw.pci_base0 + QLCNIC_MSIX_BASE;
562 msix_base = readl(msix_base_addr);
563 func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE;
564 adapter->ahw.pci_func = func;
566 /* Determine function privilege level */
567 priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE;
568 op_mode = readl(priv_op);
569 if (op_mode == QLC_DEV_DRV_DEFAULT)
570 priv_level = QLCNIC_MGMT_FUNC;
572 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw.pci_func);
574 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
575 adapter->op_mode = QLCNIC_NON_PRIV_FUNC;
576 dev_info(&adapter->pdev->dev,
577 "HAL Version: %d Non Privileged function\n",
578 adapter->fw_hal_version);
579 adapter->nic_ops = &qlcnic_vf_ops;
581 adapter->nic_ops = &qlcnic_ops;
585 qlcnic_setup_pci_map(struct qlcnic_adapter *adapter)
587 void __iomem *mem_ptr0 = NULL;
588 resource_size_t mem_base;
589 unsigned long mem_len, pci_len0 = 0;
591 struct pci_dev *pdev = adapter->pdev;
593 /* remap phys address */
594 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
595 mem_len = pci_resource_len(pdev, 0);
597 if (mem_len == QLCNIC_PCI_2MB_SIZE) {
599 mem_ptr0 = pci_ioremap_bar(pdev, 0);
600 if (mem_ptr0 == NULL) {
601 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
609 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
611 adapter->ahw.pci_base0 = mem_ptr0;
612 adapter->ahw.pci_len0 = pci_len0;
614 qlcnic_check_vf(adapter);
616 adapter->ahw.ocm_win_crb = qlcnic_get_ioaddr(adapter,
617 QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(adapter->ahw.pci_func)));
622 static void get_brd_name(struct qlcnic_adapter *adapter, char *name)
624 struct pci_dev *pdev = adapter->pdev;
627 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
628 if (qlcnic_boards[i].vendor == pdev->vendor &&
629 qlcnic_boards[i].device == pdev->device &&
630 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
631 qlcnic_boards[i].sub_device == pdev->subsystem_device) {
632 sprintf(name, "%pM: %s" ,
634 qlcnic_boards[i].short_name);
642 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
646 qlcnic_check_options(struct qlcnic_adapter *adapter)
648 u32 fw_major, fw_minor, fw_build;
649 struct pci_dev *pdev = adapter->pdev;
651 fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR);
652 fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR);
653 fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB);
655 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
657 dev_info(&pdev->dev, "firmware v%d.%d.%d\n",
658 fw_major, fw_minor, fw_build);
660 if (adapter->ahw.port_type == QLCNIC_XGBE) {
661 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
662 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
663 } else if (adapter->ahw.port_type == QLCNIC_GBE) {
664 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
665 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
668 adapter->msix_supported = !!use_msi_x;
669 adapter->rss_supported = !!use_msi_x;
671 adapter->num_txd = MAX_CMD_DESCRIPTORS;
673 adapter->max_rds_rings = MAX_RDS_RINGS;
677 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
680 struct qlcnic_info nic_info;
682 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw.pci_func);
686 adapter->physical_port = (u8)nic_info.phys_port;
687 adapter->switch_mode = nic_info.switch_mode;
688 adapter->max_tx_ques = nic_info.max_tx_ques;
689 adapter->max_rx_ques = nic_info.max_rx_ques;
690 adapter->capabilities = nic_info.capabilities;
691 adapter->max_mac_filters = nic_info.max_mac_filters;
692 adapter->max_mtu = nic_info.max_mtu;
694 if (adapter->capabilities & BIT_6)
695 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
697 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
703 qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
704 struct qlcnic_esw_func_cfg *esw_cfg)
706 if (esw_cfg->discard_tagged)
707 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
709 adapter->flags |= QLCNIC_TAGGING_ENABLED;
711 if (esw_cfg->vlan_id)
712 adapter->pvid = esw_cfg->vlan_id;
718 qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
719 struct qlcnic_esw_func_cfg *esw_cfg)
721 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
722 QLCNIC_PROMISC_DISABLED);
724 if (esw_cfg->mac_anti_spoof)
725 adapter->flags |= QLCNIC_MACSPOOF;
727 if (!esw_cfg->mac_override)
728 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
730 if (!esw_cfg->promisc_mode)
731 adapter->flags |= QLCNIC_PROMISC_DISABLED;
733 qlcnic_set_netdev_features(adapter, esw_cfg);
737 qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
739 struct qlcnic_esw_func_cfg esw_cfg;
741 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
744 esw_cfg.pci_func = adapter->ahw.pci_func;
745 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
747 qlcnic_set_vlan_config(adapter, &esw_cfg);
748 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
754 qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
755 struct qlcnic_esw_func_cfg *esw_cfg)
757 struct net_device *netdev = adapter->netdev;
758 unsigned long features, vlan_features;
760 features = (NETIF_F_SG | NETIF_F_IP_CSUM |
761 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
762 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
765 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
766 features |= (NETIF_F_TSO | NETIF_F_TSO6);
767 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
769 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
770 features |= NETIF_F_LRO;
772 if (esw_cfg->offload_flags & BIT_0) {
773 netdev->features |= features;
774 adapter->rx_csum = 1;
775 if (!(esw_cfg->offload_flags & BIT_1))
776 netdev->features &= ~NETIF_F_TSO;
777 if (!(esw_cfg->offload_flags & BIT_2))
778 netdev->features &= ~NETIF_F_TSO6;
780 netdev->features &= ~features;
781 adapter->rx_csum = 0;
784 netdev->vlan_features = (features & vlan_features);
788 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
790 void __iomem *priv_op;
791 u32 op_mode, priv_level;
794 err = qlcnic_initialize_nic(adapter);
798 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
801 priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE;
802 op_mode = readl(priv_op);
803 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw.pci_func);
805 if (op_mode == QLC_DEV_DRV_DEFAULT)
806 priv_level = QLCNIC_MGMT_FUNC;
808 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw.pci_func);
810 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
811 if (priv_level == QLCNIC_MGMT_FUNC) {
812 adapter->op_mode = QLCNIC_MGMT_FUNC;
813 err = qlcnic_init_pci_info(adapter);
816 /* Set privilege level for other functions */
817 qlcnic_set_function_modes(adapter);
818 dev_info(&adapter->pdev->dev,
819 "HAL Version: %d, Management function\n",
820 adapter->fw_hal_version);
821 } else if (priv_level == QLCNIC_PRIV_FUNC) {
822 adapter->op_mode = QLCNIC_PRIV_FUNC;
823 dev_info(&adapter->pdev->dev,
824 "HAL Version: %d, Privileged function\n",
825 adapter->fw_hal_version);
829 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
835 qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
837 struct qlcnic_esw_func_cfg esw_cfg;
838 struct qlcnic_npar_info *npar;
841 if (adapter->need_fw_reset)
844 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
845 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
847 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
848 esw_cfg.pci_func = i;
849 esw_cfg.offload_flags = BIT_0;
850 esw_cfg.mac_override = BIT_0;
851 esw_cfg.promisc_mode = BIT_0;
852 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
853 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
854 if (qlcnic_config_switch_port(adapter, &esw_cfg))
856 npar = &adapter->npars[i];
857 npar->pvid = esw_cfg.vlan_id;
858 npar->mac_override = esw_cfg.mac_override;
859 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
860 npar->discard_tagged = esw_cfg.discard_tagged;
861 npar->promisc_mode = esw_cfg.promisc_mode;
862 npar->offload_flags = esw_cfg.offload_flags;
869 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
870 struct qlcnic_npar_info *npar, int pci_func)
872 struct qlcnic_esw_func_cfg esw_cfg;
873 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
874 esw_cfg.pci_func = pci_func;
875 esw_cfg.vlan_id = npar->pvid;
876 esw_cfg.mac_override = npar->mac_override;
877 esw_cfg.discard_tagged = npar->discard_tagged;
878 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
879 esw_cfg.offload_flags = npar->offload_flags;
880 esw_cfg.promisc_mode = npar->promisc_mode;
881 if (qlcnic_config_switch_port(adapter, &esw_cfg))
884 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
885 if (qlcnic_config_switch_port(adapter, &esw_cfg))
892 qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
895 struct qlcnic_npar_info *npar;
896 struct qlcnic_info nic_info;
898 if (!adapter->need_fw_reset)
901 /* Set the NPAR config data after FW reset */
902 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
903 npar = &adapter->npars[i];
904 if (npar->type != QLCNIC_TYPE_NIC)
906 err = qlcnic_get_nic_info(adapter, &nic_info, i);
909 nic_info.min_tx_bw = npar->min_bw;
910 nic_info.max_tx_bw = npar->max_bw;
911 err = qlcnic_set_nic_info(adapter, &nic_info);
915 if (npar->enable_pm) {
916 err = qlcnic_config_port_mirroring(adapter,
917 npar->dest_npar, 1, i);
921 err = qlcnic_reset_eswitch_config(adapter, npar, i);
928 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
930 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
933 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
936 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
937 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
939 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
941 if (!npar_opt_timeo) {
942 dev_err(&adapter->pdev->dev,
943 "Waiting for NPAR state to opertional timeout\n");
950 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
954 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
955 adapter->op_mode != QLCNIC_MGMT_FUNC)
958 err = qlcnic_set_default_offload_settings(adapter);
962 err = qlcnic_reset_npar_config(adapter);
966 qlcnic_dev_set_npar_ready(adapter);
972 qlcnic_start_firmware(struct qlcnic_adapter *adapter)
976 err = qlcnic_can_start_firmware(adapter);
980 goto check_fw_status;
983 qlcnic_request_firmware(adapter);
985 err = qlcnic_check_flash_fw_ver(adapter);
989 adapter->fw_type = QLCNIC_FLASH_ROMIMAGE;
992 err = qlcnic_need_fw_reset(adapter);
994 goto check_fw_status;
996 err = qlcnic_pinit_from_rom(adapter);
1000 err = qlcnic_load_firmware(adapter);
1004 qlcnic_release_firmware(adapter);
1005 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1008 err = qlcnic_check_fw_status(adapter);
1012 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1013 qlcnic_idc_debug_info(adapter, 1);
1015 err = qlcnic_check_eswitch_mode(adapter);
1017 dev_err(&adapter->pdev->dev,
1018 "Memory allocation failed for eswitch\n");
1021 err = qlcnic_set_mgmt_operations(adapter);
1025 qlcnic_check_options(adapter);
1026 adapter->need_fw_reset = 0;
1028 qlcnic_release_firmware(adapter);
1032 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1033 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1035 qlcnic_release_firmware(adapter);
1040 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1042 irq_handler_t handler;
1043 struct qlcnic_host_sds_ring *sds_ring;
1046 unsigned long flags = 0;
1047 struct net_device *netdev = adapter->netdev;
1048 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
1050 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1051 handler = qlcnic_tmp_intr;
1052 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1053 flags |= IRQF_SHARED;
1056 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1057 handler = qlcnic_msix_intr;
1058 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1059 handler = qlcnic_msi_intr;
1061 flags |= IRQF_SHARED;
1062 handler = qlcnic_intr;
1065 adapter->irq = netdev->irq;
1067 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1068 sds_ring = &recv_ctx->sds_rings[ring];
1069 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1070 err = request_irq(sds_ring->irq, handler,
1071 flags, sds_ring->name, sds_ring);
1080 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1083 struct qlcnic_host_sds_ring *sds_ring;
1085 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
1087 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1088 sds_ring = &recv_ctx->sds_rings[ring];
1089 free_irq(sds_ring->irq, sds_ring);
1094 qlcnic_init_coalesce_defaults(struct qlcnic_adapter *adapter)
1096 adapter->coal.flags = QLCNIC_INTR_DEFAULT;
1097 adapter->coal.normal.data.rx_time_us =
1098 QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1099 adapter->coal.normal.data.rx_packets =
1100 QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
1101 adapter->coal.normal.data.tx_time_us =
1102 QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US;
1103 adapter->coal.normal.data.tx_packets =
1104 QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS;
1108 __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1111 struct qlcnic_host_rds_ring *rds_ring;
1113 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1116 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1118 if (qlcnic_set_eswitch_port_config(adapter))
1121 if (qlcnic_fw_create_ctx(adapter))
1124 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1125 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1126 qlcnic_post_rx_buffers(adapter, ring, rds_ring);
1129 qlcnic_set_multi(netdev);
1130 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1132 adapter->ahw.linkup = 0;
1134 if (adapter->max_sds_rings > 1)
1135 qlcnic_config_rss(adapter, 1);
1137 qlcnic_config_intr_coalesce(adapter);
1139 if (netdev->features & NETIF_F_LRO)
1140 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1142 qlcnic_napi_enable(adapter);
1144 qlcnic_linkevent_request(adapter, 1);
1146 adapter->reset_context = 0;
1147 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1151 /* Usage: During resume and firmware recovery module.*/
1154 qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1159 if (netif_running(netdev))
1160 err = __qlcnic_up(adapter, netdev);
1167 __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1169 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1172 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1176 spin_lock(&adapter->tx_clean_lock);
1177 netif_carrier_off(netdev);
1178 netif_tx_disable(netdev);
1180 qlcnic_free_mac_list(adapter);
1182 if (adapter->fhash.fnum)
1183 qlcnic_delete_lb_filters(adapter);
1185 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1187 qlcnic_napi_disable(adapter);
1189 qlcnic_fw_destroy_ctx(adapter);
1191 qlcnic_reset_rx_buffers_list(adapter);
1192 qlcnic_release_tx_buffers(adapter);
1193 spin_unlock(&adapter->tx_clean_lock);
1196 /* Usage: During suspend and firmware recovery module */
1199 qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1202 if (netif_running(netdev))
1203 __qlcnic_down(adapter, netdev);
1209 qlcnic_attach(struct qlcnic_adapter *adapter)
1211 struct net_device *netdev = adapter->netdev;
1212 struct pci_dev *pdev = adapter->pdev;
1215 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1218 err = qlcnic_napi_add(adapter, netdev);
1222 err = qlcnic_alloc_sw_resources(adapter);
1224 dev_err(&pdev->dev, "Error in setting sw resources\n");
1225 goto err_out_napi_del;
1228 err = qlcnic_alloc_hw_resources(adapter);
1230 dev_err(&pdev->dev, "Error in setting hw resources\n");
1231 goto err_out_free_sw;
1234 err = qlcnic_request_irq(adapter);
1236 dev_err(&pdev->dev, "failed to setup interrupt\n");
1237 goto err_out_free_hw;
1240 qlcnic_init_coalesce_defaults(adapter);
1242 qlcnic_create_sysfs_entries(adapter);
1244 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1248 qlcnic_free_hw_resources(adapter);
1250 qlcnic_free_sw_resources(adapter);
1252 qlcnic_napi_del(adapter);
1257 qlcnic_detach(struct qlcnic_adapter *adapter)
1259 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1262 qlcnic_remove_sysfs_entries(adapter);
1264 qlcnic_free_hw_resources(adapter);
1265 qlcnic_release_rx_buffers(adapter);
1266 qlcnic_free_irq(adapter);
1267 qlcnic_napi_del(adapter);
1268 qlcnic_free_sw_resources(adapter);
1273 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1275 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1276 struct qlcnic_host_sds_ring *sds_ring;
1279 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1280 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1281 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1282 sds_ring = &adapter->recv_ctx.sds_rings[ring];
1283 qlcnic_disable_int(sds_ring);
1287 qlcnic_fw_destroy_ctx(adapter);
1289 qlcnic_detach(adapter);
1291 adapter->diag_test = 0;
1292 adapter->max_sds_rings = max_sds_rings;
1294 if (qlcnic_attach(adapter))
1297 if (netif_running(netdev))
1298 __qlcnic_up(adapter, netdev);
1300 netif_device_attach(netdev);
1303 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1305 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1306 struct qlcnic_host_sds_ring *sds_ring;
1307 struct qlcnic_host_rds_ring *rds_ring;
1311 netif_device_detach(netdev);
1313 if (netif_running(netdev))
1314 __qlcnic_down(adapter, netdev);
1316 qlcnic_detach(adapter);
1318 adapter->max_sds_rings = 1;
1319 adapter->diag_test = test;
1321 ret = qlcnic_attach(adapter);
1323 netif_device_attach(netdev);
1327 ret = qlcnic_fw_create_ctx(adapter);
1329 qlcnic_detach(adapter);
1330 netif_device_attach(netdev);
1334 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1335 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1336 qlcnic_post_rx_buffers(adapter, ring, rds_ring);
1339 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1340 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1341 sds_ring = &adapter->recv_ctx.sds_rings[ring];
1342 qlcnic_enable_int(sds_ring);
1345 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1350 /* Reset context in hardware only */
1352 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1354 struct net_device *netdev = adapter->netdev;
1356 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1359 netif_device_detach(netdev);
1361 qlcnic_down(adapter, netdev);
1363 qlcnic_up(adapter, netdev);
1365 netif_device_attach(netdev);
1367 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1372 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1375 struct net_device *netdev = adapter->netdev;
1377 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1380 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1382 netif_device_detach(netdev);
1384 if (netif_running(netdev))
1385 __qlcnic_down(adapter, netdev);
1387 qlcnic_detach(adapter);
1389 if (netif_running(netdev)) {
1390 err = qlcnic_attach(adapter);
1392 __qlcnic_up(adapter, netdev);
1395 netif_device_attach(netdev);
1398 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1403 qlcnic_setup_netdev(struct qlcnic_adapter *adapter,
1404 struct net_device *netdev, u8 pci_using_dac)
1407 struct pci_dev *pdev = adapter->pdev;
1409 adapter->rx_csum = 1;
1410 adapter->mc_enabled = 0;
1411 adapter->max_mc_count = 38;
1413 netdev->netdev_ops = &qlcnic_netdev_ops;
1414 netdev->watchdog_timeo = 5*HZ;
1416 qlcnic_change_mtu(netdev, netdev->mtu);
1418 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1420 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1421 NETIF_F_IPV6_CSUM | NETIF_F_GRO | NETIF_F_HW_VLAN_RX);
1422 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1425 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
1426 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1427 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1430 if (pci_using_dac) {
1431 netdev->features |= NETIF_F_HIGHDMA;
1432 netdev->vlan_features |= NETIF_F_HIGHDMA;
1435 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
1436 netdev->features |= (NETIF_F_HW_VLAN_TX);
1438 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1439 netdev->features |= NETIF_F_LRO;
1440 netdev->irq = adapter->msix_entries[0].vector;
1442 netif_carrier_off(netdev);
1443 netif_stop_queue(netdev);
1445 err = register_netdev(netdev);
1447 dev_err(&pdev->dev, "failed to register net device\n");
1454 static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac)
1456 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1457 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1459 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1460 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1463 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1470 static int __devinit
1471 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1473 struct net_device *netdev = NULL;
1474 struct qlcnic_adapter *adapter = NULL;
1476 uint8_t revision_id;
1477 uint8_t pci_using_dac;
1478 char brd_name[QLCNIC_MAX_BOARD_NAME_LEN];
1480 err = pci_enable_device(pdev);
1484 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1486 goto err_out_disable_pdev;
1489 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1491 goto err_out_disable_pdev;
1493 err = pci_request_regions(pdev, qlcnic_driver_name);
1495 goto err_out_disable_pdev;
1497 pci_set_master(pdev);
1498 pci_enable_pcie_error_reporting(pdev);
1500 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1502 dev_err(&pdev->dev, "failed to allocate net_device\n");
1504 goto err_out_free_res;
1507 SET_NETDEV_DEV(netdev, &pdev->dev);
1509 adapter = netdev_priv(netdev);
1510 adapter->netdev = netdev;
1511 adapter->pdev = pdev;
1512 adapter->dev_rst_time = jiffies;
1514 revision_id = pdev->revision;
1515 adapter->ahw.revision_id = revision_id;
1517 rwlock_init(&adapter->ahw.crb_lock);
1518 mutex_init(&adapter->ahw.mem_lock);
1520 spin_lock_init(&adapter->tx_clean_lock);
1521 INIT_LIST_HEAD(&adapter->mac_list);
1523 err = qlcnic_setup_pci_map(adapter);
1525 goto err_out_free_netdev;
1527 /* This will be reset for mezz cards */
1528 adapter->portnum = adapter->ahw.pci_func;
1530 err = qlcnic_get_board_info(adapter);
1532 dev_err(&pdev->dev, "Error getting board config info.\n");
1533 goto err_out_iounmap;
1536 err = qlcnic_setup_idc_param(adapter);
1538 goto err_out_iounmap;
1540 err = adapter->nic_ops->start_firmware(adapter);
1542 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1543 goto err_out_decr_ref;
1546 if (qlcnic_read_mac_addr(adapter))
1547 dev_warn(&pdev->dev, "failed to read mac addr\n");
1549 if (adapter->portnum == 0) {
1550 get_brd_name(adapter, brd_name);
1552 pr_info("%s: %s Board Chip rev 0x%x\n",
1553 module_name(THIS_MODULE),
1554 brd_name, adapter->ahw.revision_id);
1557 qlcnic_clear_stats(adapter);
1559 qlcnic_setup_intr(adapter);
1561 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
1563 goto err_out_disable_msi;
1565 pci_set_drvdata(pdev, adapter);
1567 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1569 switch (adapter->ahw.port_type) {
1571 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1572 adapter->netdev->name);
1575 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1576 adapter->netdev->name);
1580 qlcnic_alloc_lb_filters_mem(adapter);
1581 qlcnic_create_diag_entries(adapter);
1585 err_out_disable_msi:
1586 qlcnic_teardown_intr(adapter);
1589 qlcnic_clr_all_drv_state(adapter, 0);
1592 qlcnic_cleanup_pci_map(adapter);
1594 err_out_free_netdev:
1595 free_netdev(netdev);
1598 pci_release_regions(pdev);
1600 err_out_disable_pdev:
1601 pci_set_drvdata(pdev, NULL);
1602 pci_disable_device(pdev);
1606 static void __devexit qlcnic_remove(struct pci_dev *pdev)
1608 struct qlcnic_adapter *adapter;
1609 struct net_device *netdev;
1611 adapter = pci_get_drvdata(pdev);
1612 if (adapter == NULL)
1615 netdev = adapter->netdev;
1617 qlcnic_cancel_fw_work(adapter);
1619 unregister_netdev(netdev);
1621 qlcnic_detach(adapter);
1623 if (adapter->npars != NULL)
1624 kfree(adapter->npars);
1625 if (adapter->eswitch != NULL)
1626 kfree(adapter->eswitch);
1628 qlcnic_clr_all_drv_state(adapter, 0);
1630 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1632 qlcnic_free_lb_filters_mem(adapter);
1634 qlcnic_teardown_intr(adapter);
1636 qlcnic_remove_diag_entries(adapter);
1638 qlcnic_cleanup_pci_map(adapter);
1640 qlcnic_release_firmware(adapter);
1642 pci_disable_pcie_error_reporting(pdev);
1643 pci_release_regions(pdev);
1644 pci_disable_device(pdev);
1645 pci_set_drvdata(pdev, NULL);
1647 free_netdev(netdev);
1649 static int __qlcnic_shutdown(struct pci_dev *pdev)
1651 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1652 struct net_device *netdev = adapter->netdev;
1655 netif_device_detach(netdev);
1657 qlcnic_cancel_fw_work(adapter);
1659 if (netif_running(netdev))
1660 qlcnic_down(adapter, netdev);
1662 qlcnic_clr_all_drv_state(adapter, 0);
1664 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1666 retval = pci_save_state(pdev);
1670 if (qlcnic_wol_supported(adapter)) {
1671 pci_enable_wake(pdev, PCI_D3cold, 1);
1672 pci_enable_wake(pdev, PCI_D3hot, 1);
1678 static void qlcnic_shutdown(struct pci_dev *pdev)
1680 if (__qlcnic_shutdown(pdev))
1683 pci_disable_device(pdev);
1688 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
1692 retval = __qlcnic_shutdown(pdev);
1696 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1701 qlcnic_resume(struct pci_dev *pdev)
1703 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1704 struct net_device *netdev = adapter->netdev;
1707 err = pci_enable_device(pdev);
1711 pci_set_power_state(pdev, PCI_D0);
1712 pci_set_master(pdev);
1713 pci_restore_state(pdev);
1715 err = adapter->nic_ops->start_firmware(adapter);
1717 dev_err(&pdev->dev, "failed to start firmware\n");
1721 if (netif_running(netdev)) {
1722 err = qlcnic_up(adapter, netdev);
1726 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1729 netif_device_attach(netdev);
1730 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1735 static int qlcnic_open(struct net_device *netdev)
1737 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1740 err = qlcnic_attach(adapter);
1744 err = __qlcnic_up(adapter, netdev);
1748 netif_start_queue(netdev);
1753 qlcnic_detach(adapter);
1758 * qlcnic_close - Disables a network interface entry point
1760 static int qlcnic_close(struct net_device *netdev)
1762 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1764 __qlcnic_down(adapter, netdev);
1769 qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
1774 if (!qlcnic_mac_learn)
1777 spin_lock_init(&adapter->mac_learn_lock);
1779 head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head),
1784 adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS;
1785 adapter->fhash.fhead = (struct hlist_head *)head;
1787 for (i = 0; i < adapter->fhash.fmax; i++)
1788 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
1791 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
1793 if (adapter->fhash.fmax && adapter->fhash.fhead)
1794 kfree(adapter->fhash.fhead);
1796 adapter->fhash.fhead = NULL;
1797 adapter->fhash.fmax = 0;
1800 static void qlcnic_change_filter(struct qlcnic_adapter *adapter,
1801 u64 uaddr, __le16 vlan_id, struct qlcnic_host_tx_ring *tx_ring)
1803 struct cmd_desc_type0 *hwdesc;
1804 struct qlcnic_nic_req *req;
1805 struct qlcnic_mac_req *mac_req;
1806 struct qlcnic_vlan_req *vlan_req;
1810 producer = tx_ring->producer;
1811 hwdesc = &tx_ring->desc_head[tx_ring->producer];
1813 req = (struct qlcnic_nic_req *)hwdesc;
1814 memset(req, 0, sizeof(struct qlcnic_nic_req));
1815 req->qhdr = cpu_to_le64(QLCNIC_REQUEST << 23);
1817 word = QLCNIC_MAC_EVENT | ((u64)(adapter->portnum) << 16);
1818 req->req_hdr = cpu_to_le64(word);
1820 mac_req = (struct qlcnic_mac_req *)&(req->words[0]);
1821 mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD;
1822 memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN);
1824 vlan_req = (struct qlcnic_vlan_req *)&req->words[1];
1825 vlan_req->vlan_id = vlan_id;
1827 tx_ring->producer = get_next_index(producer, tx_ring->num_desc);
1830 #define QLCNIC_MAC_HASH(MAC)\
1831 ((((MAC) & 0x70000) >> 0x10) | (((MAC) & 0x70000000000ULL) >> 0x25))
1834 qlcnic_send_filter(struct qlcnic_adapter *adapter,
1835 struct qlcnic_host_tx_ring *tx_ring,
1836 struct cmd_desc_type0 *first_desc,
1837 struct sk_buff *skb)
1839 struct ethhdr *phdr = (struct ethhdr *)(skb->data);
1840 struct qlcnic_filter *fil, *tmp_fil;
1841 struct hlist_node *tmp_hnode, *n;
1842 struct hlist_head *head;
1847 if (!compare_ether_addr(phdr->h_source, adapter->mac_addr))
1850 if (adapter->fhash.fnum >= adapter->fhash.fmax)
1853 /* Only NPAR capable devices support vlan based learning*/
1854 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
1855 vlan_id = first_desc->vlan_TCI;
1856 memcpy(&src_addr, phdr->h_source, ETH_ALEN);
1857 hindex = QLCNIC_MAC_HASH(src_addr) & (QLCNIC_LB_MAX_FILTERS - 1);
1858 head = &(adapter->fhash.fhead[hindex]);
1860 hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) {
1861 if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) &&
1862 tmp_fil->vlan_id == vlan_id) {
1863 tmp_fil->ftime = jiffies;
1868 fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC);
1872 qlcnic_change_filter(adapter, src_addr, vlan_id, tx_ring);
1874 fil->ftime = jiffies;
1875 fil->vlan_id = vlan_id;
1876 memcpy(fil->faddr, &src_addr, ETH_ALEN);
1877 spin_lock(&adapter->mac_learn_lock);
1878 hlist_add_head(&(fil->fnode), head);
1879 adapter->fhash.fnum++;
1880 spin_unlock(&adapter->mac_learn_lock);
1884 qlcnic_tso_check(struct net_device *netdev,
1885 struct qlcnic_host_tx_ring *tx_ring,
1886 struct cmd_desc_type0 *first_desc,
1887 struct sk_buff *skb)
1889 u8 opcode = TX_ETHER_PKT;
1890 __be16 protocol = skb->protocol;
1892 int copied, offset, copy_len, hdr_len = 0, tso = 0;
1893 struct cmd_desc_type0 *hwdesc;
1894 struct vlan_ethhdr *vh;
1895 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1896 u32 producer = tx_ring->producer;
1897 __le16 vlan_oob = first_desc->flags_opcode &
1898 cpu_to_le16(FLAGS_VLAN_OOB);
1900 if (*(skb->data) & BIT_0) {
1902 memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN);
1905 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1906 skb_shinfo(skb)->gso_size > 0) {
1908 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1910 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1911 first_desc->total_hdr_length = hdr_len;
1913 first_desc->total_hdr_length += VLAN_HLEN;
1914 first_desc->tcp_hdr_offset = VLAN_HLEN;
1915 first_desc->ip_hdr_offset = VLAN_HLEN;
1916 /* Only in case of TSO on vlan device */
1917 flags |= FLAGS_VLAN_TAGGED;
1920 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1921 TX_TCP_LSO6 : TX_TCP_LSO;
1924 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1927 if (protocol == cpu_to_be16(ETH_P_IP)) {
1928 l4proto = ip_hdr(skb)->protocol;
1930 if (l4proto == IPPROTO_TCP)
1931 opcode = TX_TCP_PKT;
1932 else if (l4proto == IPPROTO_UDP)
1933 opcode = TX_UDP_PKT;
1934 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1935 l4proto = ipv6_hdr(skb)->nexthdr;
1937 if (l4proto == IPPROTO_TCP)
1938 opcode = TX_TCPV6_PKT;
1939 else if (l4proto == IPPROTO_UDP)
1940 opcode = TX_UDPV6_PKT;
1944 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1945 first_desc->ip_hdr_offset += skb_network_offset(skb);
1946 qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
1951 /* For LSO, we need to copy the MAC/IP/TCP headers into
1952 * the descriptor ring
1958 /* Create a TSO vlan header template for firmware */
1960 hwdesc = &tx_ring->desc_head[producer];
1961 tx_ring->cmd_buf_arr[producer].skb = NULL;
1963 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1964 hdr_len + VLAN_HLEN);
1966 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1967 skb_copy_from_linear_data(skb, vh, 12);
1968 vh->h_vlan_proto = htons(ETH_P_8021Q);
1969 vh->h_vlan_TCI = (__be16)swab16((u16)first_desc->vlan_TCI);
1971 skb_copy_from_linear_data_offset(skb, 12,
1972 (char *)vh + 16, copy_len - 16);
1974 copied = copy_len - VLAN_HLEN;
1977 producer = get_next_index(producer, tx_ring->num_desc);
1980 while (copied < hdr_len) {
1982 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1983 (hdr_len - copied));
1985 hwdesc = &tx_ring->desc_head[producer];
1986 tx_ring->cmd_buf_arr[producer].skb = NULL;
1988 skb_copy_from_linear_data_offset(skb, copied,
1989 (char *)hwdesc + offset, copy_len);
1994 producer = get_next_index(producer, tx_ring->num_desc);
1997 tx_ring->producer = producer;
1999 adapter->stats.lso_frames++;
2003 qlcnic_map_tx_skb(struct pci_dev *pdev,
2004 struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf)
2006 struct qlcnic_skb_frag *nf;
2007 struct skb_frag_struct *frag;
2011 nr_frags = skb_shinfo(skb)->nr_frags;
2012 nf = &pbuf->frag_array[0];
2014 map = pci_map_single(pdev, skb->data,
2015 skb_headlen(skb), PCI_DMA_TODEVICE);
2016 if (pci_dma_mapping_error(pdev, map))
2020 nf->length = skb_headlen(skb);
2022 for (i = 0; i < nr_frags; i++) {
2023 frag = &skb_shinfo(skb)->frags[i];
2024 nf = &pbuf->frag_array[i+1];
2026 map = pci_map_page(pdev, frag->page, frag->page_offset,
2027 frag->size, PCI_DMA_TODEVICE);
2028 if (pci_dma_mapping_error(pdev, map))
2032 nf->length = frag->size;
2039 nf = &pbuf->frag_array[i+1];
2040 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2043 nf = &pbuf->frag_array[0];
2044 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2051 qlcnic_check_tx_tagging(struct qlcnic_adapter *adapter,
2052 struct sk_buff *skb,
2053 struct cmd_desc_type0 *first_desc)
2057 __be16 protocol = skb->protocol;
2058 struct vlan_ethhdr *vh;
2060 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
2061 vh = (struct vlan_ethhdr *)skb->data;
2062 protocol = vh->h_vlan_encapsulated_proto;
2063 flags = FLAGS_VLAN_TAGGED;
2064 qlcnic_set_tx_vlan_tci(first_desc, ntohs(vh->h_vlan_TCI));
2065 } else if (vlan_tx_tag_present(skb)) {
2066 flags = FLAGS_VLAN_OOB;
2067 qlcnic_set_tx_vlan_tci(first_desc, vlan_tx_tag_get(skb));
2069 if (unlikely(adapter->pvid)) {
2070 if (first_desc->vlan_TCI &&
2071 !(adapter->flags & QLCNIC_TAGGING_ENABLED))
2073 if (first_desc->vlan_TCI &&
2074 (adapter->flags & QLCNIC_TAGGING_ENABLED))
2077 flags = FLAGS_VLAN_OOB;
2078 qlcnic_set_tx_vlan_tci(first_desc, adapter->pvid);
2081 qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
2086 qlcnic_clear_cmddesc(u64 *desc)
2094 qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2096 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2097 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2098 struct qlcnic_cmd_buffer *pbuf;
2099 struct qlcnic_skb_frag *buffrag;
2100 struct cmd_desc_type0 *hwdesc, *first_desc;
2101 struct pci_dev *pdev;
2102 struct ethhdr *phdr;
2106 int frag_count, no_of_desc;
2107 u32 num_txd = tx_ring->num_desc;
2109 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
2110 netif_stop_queue(netdev);
2111 return NETDEV_TX_BUSY;
2114 if (adapter->flags & QLCNIC_MACSPOOF) {
2115 phdr = (struct ethhdr *)skb->data;
2116 if (compare_ether_addr(phdr->h_source,
2121 frag_count = skb_shinfo(skb)->nr_frags + 1;
2123 /* 4 fragments per cmd des */
2124 no_of_desc = (frag_count + 3) >> 2;
2126 if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
2127 netif_stop_queue(netdev);
2129 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH)
2130 netif_start_queue(netdev);
2132 adapter->stats.xmit_off++;
2133 return NETDEV_TX_BUSY;
2137 producer = tx_ring->producer;
2138 pbuf = &tx_ring->cmd_buf_arr[producer];
2140 pdev = adapter->pdev;
2142 first_desc = hwdesc = &tx_ring->desc_head[producer];
2143 qlcnic_clear_cmddesc((u64 *)hwdesc);
2145 if (qlcnic_check_tx_tagging(adapter, skb, first_desc))
2148 if (qlcnic_map_tx_skb(pdev, skb, pbuf)) {
2149 adapter->stats.tx_dma_map_error++;
2154 pbuf->frag_count = frag_count;
2156 qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len);
2157 qlcnic_set_tx_port(first_desc, adapter->portnum);
2159 for (i = 0; i < frag_count; i++) {
2163 if ((k == 0) && (i > 0)) {
2164 /* move to next desc.*/
2165 producer = get_next_index(producer, num_txd);
2166 hwdesc = &tx_ring->desc_head[producer];
2167 qlcnic_clear_cmddesc((u64 *)hwdesc);
2168 tx_ring->cmd_buf_arr[producer].skb = NULL;
2171 buffrag = &pbuf->frag_array[i];
2173 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2176 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2179 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2182 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2185 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2190 tx_ring->producer = get_next_index(producer, num_txd);
2192 qlcnic_tso_check(netdev, tx_ring, first_desc, skb);
2194 if (qlcnic_mac_learn)
2195 qlcnic_send_filter(adapter, tx_ring, first_desc, skb);
2197 qlcnic_update_cmd_producer(adapter, tx_ring);
2199 adapter->stats.txbytes += skb->len;
2200 adapter->stats.xmitcalled++;
2202 return NETDEV_TX_OK;
2205 adapter->stats.txdropped++;
2206 dev_kfree_skb_any(skb);
2207 return NETDEV_TX_OK;
2210 static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2212 struct net_device *netdev = adapter->netdev;
2213 u32 temp, temp_state, temp_val;
2216 temp = QLCRD32(adapter, CRB_TEMP_STATE);
2218 temp_state = qlcnic_get_temp_state(temp);
2219 temp_val = qlcnic_get_temp_val(temp);
2221 if (temp_state == QLCNIC_TEMP_PANIC) {
2222 dev_err(&netdev->dev,
2223 "Device temperature %d degrees C exceeds"
2224 " maximum allowed. Hardware has been shut down.\n",
2227 } else if (temp_state == QLCNIC_TEMP_WARN) {
2228 if (adapter->temp == QLCNIC_TEMP_NORMAL) {
2229 dev_err(&netdev->dev,
2230 "Device temperature %d degrees C "
2231 "exceeds operating range."
2232 " Immediate action needed.\n",
2236 if (adapter->temp == QLCNIC_TEMP_WARN) {
2237 dev_info(&netdev->dev,
2238 "Device temperature is now %d degrees C"
2239 " in normal range.\n", temp_val);
2242 adapter->temp = temp_state;
2246 void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup)
2248 struct net_device *netdev = adapter->netdev;
2250 if (adapter->ahw.linkup && !linkup) {
2251 netdev_info(netdev, "NIC Link is down\n");
2252 adapter->ahw.linkup = 0;
2253 if (netif_running(netdev)) {
2254 netif_carrier_off(netdev);
2255 netif_stop_queue(netdev);
2257 } else if (!adapter->ahw.linkup && linkup) {
2258 netdev_info(netdev, "NIC Link is up\n");
2259 adapter->ahw.linkup = 1;
2260 if (netif_running(netdev)) {
2261 netif_carrier_on(netdev);
2262 netif_wake_queue(netdev);
2267 static void qlcnic_tx_timeout(struct net_device *netdev)
2269 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2271 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2274 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2276 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
2277 adapter->need_fw_reset = 1;
2279 adapter->reset_context = 1;
2282 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2284 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2285 struct net_device_stats *stats = &netdev->stats;
2287 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2288 stats->tx_packets = adapter->stats.xmitfinished;
2289 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2290 stats->tx_bytes = adapter->stats.txbytes;
2291 stats->rx_dropped = adapter->stats.rxdropped;
2292 stats->tx_dropped = adapter->stats.txdropped;
2297 static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
2301 status = readl(adapter->isr_int_vec);
2303 if (!(status & adapter->int_vec_bit))
2306 /* check interrupt state machine, to be sure */
2307 status = readl(adapter->crb_int_state_reg);
2308 if (!ISR_LEGACY_INT_TRIGGERED(status))
2311 writel(0xffffffff, adapter->tgt_status_reg);
2312 /* read twice to ensure write is flushed */
2313 readl(adapter->isr_int_vec);
2314 readl(adapter->isr_int_vec);
2319 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2321 struct qlcnic_host_sds_ring *sds_ring = data;
2322 struct qlcnic_adapter *adapter = sds_ring->adapter;
2324 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2326 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2327 writel(0xffffffff, adapter->tgt_status_reg);
2331 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2335 adapter->diag_cnt++;
2336 qlcnic_enable_int(sds_ring);
2340 static irqreturn_t qlcnic_intr(int irq, void *data)
2342 struct qlcnic_host_sds_ring *sds_ring = data;
2343 struct qlcnic_adapter *adapter = sds_ring->adapter;
2345 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2348 napi_schedule(&sds_ring->napi);
2353 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2355 struct qlcnic_host_sds_ring *sds_ring = data;
2356 struct qlcnic_adapter *adapter = sds_ring->adapter;
2358 /* clear interrupt */
2359 writel(0xffffffff, adapter->tgt_status_reg);
2361 napi_schedule(&sds_ring->napi);
2365 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2367 struct qlcnic_host_sds_ring *sds_ring = data;
2369 napi_schedule(&sds_ring->napi);
2373 static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter)
2375 u32 sw_consumer, hw_consumer;
2377 struct qlcnic_cmd_buffer *buffer;
2378 struct pci_dev *pdev = adapter->pdev;
2379 struct net_device *netdev = adapter->netdev;
2380 struct qlcnic_skb_frag *frag;
2382 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2384 if (!spin_trylock(&adapter->tx_clean_lock))
2387 sw_consumer = tx_ring->sw_consumer;
2388 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2390 while (sw_consumer != hw_consumer) {
2391 buffer = &tx_ring->cmd_buf_arr[sw_consumer];
2393 frag = &buffer->frag_array[0];
2394 pci_unmap_single(pdev, frag->dma, frag->length,
2397 for (i = 1; i < buffer->frag_count; i++) {
2399 pci_unmap_page(pdev, frag->dma, frag->length,
2404 adapter->stats.xmitfinished++;
2405 dev_kfree_skb_any(buffer->skb);
2409 sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc);
2410 if (++count >= MAX_STATUS_HANDLE)
2414 if (count && netif_running(netdev)) {
2415 tx_ring->sw_consumer = sw_consumer;
2419 if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) {
2420 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) {
2421 netif_wake_queue(netdev);
2422 adapter->stats.xmit_on++;
2425 adapter->tx_timeo_cnt = 0;
2428 * If everything is freed up to consumer then check if the ring is full
2429 * If the ring is full then check if more needs to be freed and
2430 * schedule the call back again.
2432 * This happens when there are 2 CPUs. One could be freeing and the
2433 * other filling it. If the ring is full when we get out of here and
2434 * the card has already interrupted the host then the host can miss the
2437 * There is still a possible race condition and the host could miss an
2438 * interrupt. The card has to take care of this.
2440 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2441 done = (sw_consumer == hw_consumer);
2442 spin_unlock(&adapter->tx_clean_lock);
2447 static int qlcnic_poll(struct napi_struct *napi, int budget)
2449 struct qlcnic_host_sds_ring *sds_ring =
2450 container_of(napi, struct qlcnic_host_sds_ring, napi);
2452 struct qlcnic_adapter *adapter = sds_ring->adapter;
2457 tx_complete = qlcnic_process_cmd_ring(adapter);
2459 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2461 if ((work_done < budget) && tx_complete) {
2462 napi_complete(&sds_ring->napi);
2463 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2464 qlcnic_enable_int(sds_ring);
2470 static int qlcnic_rx_poll(struct napi_struct *napi, int budget)
2472 struct qlcnic_host_sds_ring *sds_ring =
2473 container_of(napi, struct qlcnic_host_sds_ring, napi);
2475 struct qlcnic_adapter *adapter = sds_ring->adapter;
2478 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2480 if (work_done < budget) {
2481 napi_complete(&sds_ring->napi);
2482 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2483 qlcnic_enable_int(sds_ring);
2489 #ifdef CONFIG_NET_POLL_CONTROLLER
2490 static void qlcnic_poll_controller(struct net_device *netdev)
2493 struct qlcnic_host_sds_ring *sds_ring;
2494 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2495 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
2497 disable_irq(adapter->irq);
2498 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2499 sds_ring = &recv_ctx->sds_rings[ring];
2500 qlcnic_intr(adapter->irq, sds_ring);
2502 enable_irq(adapter->irq);
2507 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2511 val = adapter->portnum & 0xf;
2512 val |= encoding << 7;
2513 val |= (jiffies - adapter->dev_rst_time) << 8;
2515 QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2516 adapter->dev_rst_time = jiffies;
2520 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2524 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2525 state != QLCNIC_DEV_NEED_QUISCENT);
2527 if (qlcnic_api_lock(adapter))
2530 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2532 if (state == QLCNIC_DEV_NEED_RESET)
2533 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2534 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2535 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2537 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2539 qlcnic_api_unlock(adapter);
2545 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2549 if (qlcnic_api_lock(adapter))
2552 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2553 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2554 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2556 qlcnic_api_unlock(adapter);
2562 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2566 if (qlcnic_api_lock(adapter))
2569 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2570 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2571 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2574 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
2575 dev_info(&adapter->pdev->dev,
2576 "Device state set to Failed. Please Reboot\n");
2577 } else if (!(val & 0x11111111))
2578 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD);
2580 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2581 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2582 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2584 qlcnic_api_unlock(adapter);
2586 adapter->fw_fail_cnt = 0;
2587 clear_bit(__QLCNIC_START_FW, &adapter->state);
2588 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2591 /* Grab api lock, before checking state */
2593 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2597 state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2598 act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2600 if (((state & 0x11111111) == (act & 0x11111111)) ||
2601 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2607 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2609 u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2611 if (val != QLCNIC_DRV_IDC_VER) {
2612 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2613 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2620 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2622 u32 val, prev_state;
2623 u8 dev_init_timeo = adapter->dev_init_timeo;
2624 u8 portnum = adapter->portnum;
2627 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2630 if (qlcnic_api_lock(adapter))
2633 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2634 if (!(val & (1 << (portnum * 4)))) {
2635 QLC_DEV_SET_REF_CNT(val, portnum);
2636 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2639 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2640 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2642 switch (prev_state) {
2643 case QLCNIC_DEV_COLD:
2644 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
2645 QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
2646 qlcnic_idc_debug_info(adapter, 0);
2647 qlcnic_api_unlock(adapter);
2650 case QLCNIC_DEV_READY:
2651 ret = qlcnic_check_idc_ver(adapter);
2652 qlcnic_api_unlock(adapter);
2655 case QLCNIC_DEV_NEED_RESET:
2656 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2657 QLC_DEV_SET_RST_RDY(val, portnum);
2658 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2661 case QLCNIC_DEV_NEED_QUISCENT:
2662 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2663 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2664 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2667 case QLCNIC_DEV_FAILED:
2668 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2669 qlcnic_api_unlock(adapter);
2672 case QLCNIC_DEV_INITIALIZING:
2673 case QLCNIC_DEV_QUISCENT:
2677 qlcnic_api_unlock(adapter);
2681 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2683 if (prev_state == QLCNIC_DEV_QUISCENT)
2685 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2687 if (!dev_init_timeo) {
2688 dev_err(&adapter->pdev->dev,
2689 "Waiting for device to initialize timeout\n");
2693 if (qlcnic_api_lock(adapter))
2696 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2697 QLC_DEV_CLR_RST_QSCNT(val, portnum);
2698 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2700 ret = qlcnic_check_idc_ver(adapter);
2701 qlcnic_api_unlock(adapter);
2707 qlcnic_fwinit_work(struct work_struct *work)
2709 struct qlcnic_adapter *adapter = container_of(work,
2710 struct qlcnic_adapter, fw_work.work);
2711 u32 dev_state = 0xf;
2713 if (qlcnic_api_lock(adapter))
2716 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2717 if (dev_state == QLCNIC_DEV_QUISCENT ||
2718 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2719 qlcnic_api_unlock(adapter);
2720 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2725 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
2726 qlcnic_api_unlock(adapter);
2730 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2731 dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2732 adapter->reset_ack_timeo);
2733 goto skip_ack_check;
2736 if (!qlcnic_check_drv_state(adapter)) {
2738 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2740 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2741 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2742 QLCNIC_DEV_INITIALIZING);
2743 set_bit(__QLCNIC_START_FW, &adapter->state);
2744 QLCDB(adapter, DRV, "Restarting fw\n");
2745 qlcnic_idc_debug_info(adapter, 0);
2748 qlcnic_api_unlock(adapter);
2750 if (!adapter->nic_ops->start_firmware(adapter)) {
2751 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2752 adapter->fw_wait_cnt = 0;
2758 qlcnic_api_unlock(adapter);
2761 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2762 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2764 switch (dev_state) {
2765 case QLCNIC_DEV_READY:
2766 if (!adapter->nic_ops->start_firmware(adapter)) {
2767 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2768 adapter->fw_wait_cnt = 0;
2771 case QLCNIC_DEV_FAILED:
2774 qlcnic_schedule_work(adapter,
2775 qlcnic_fwinit_work, FW_POLL_DELAY);
2780 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2781 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2782 netif_device_attach(adapter->netdev);
2783 qlcnic_clr_all_drv_state(adapter, 0);
2787 qlcnic_detach_work(struct work_struct *work)
2789 struct qlcnic_adapter *adapter = container_of(work,
2790 struct qlcnic_adapter, fw_work.work);
2791 struct net_device *netdev = adapter->netdev;
2794 netif_device_detach(netdev);
2796 /* Dont grab rtnl lock during Quiscent mode */
2797 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2798 if (netif_running(netdev))
2799 __qlcnic_down(adapter, netdev);
2801 qlcnic_down(adapter, netdev);
2803 status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2805 if (status & QLCNIC_RCODE_FATAL_ERROR)
2808 if (adapter->temp == QLCNIC_TEMP_PANIC)
2811 if (qlcnic_set_drv_state(adapter, adapter->dev_state))
2814 adapter->fw_wait_cnt = 0;
2816 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2821 dev_err(&adapter->pdev->dev, "detach failed; status=%d temp=%d\n",
2822 status, adapter->temp);
2823 netif_device_attach(netdev);
2824 qlcnic_clr_all_drv_state(adapter, 1);
2827 /*Transit NPAR state to NON Operational */
2829 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2833 state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2834 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2837 if (qlcnic_api_lock(adapter))
2839 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2840 qlcnic_api_unlock(adapter);
2843 /* Caller should held RESETTING bit.
2844 * This should be call in sync with qlcnic_request_quiscent_mode.
2846 void qlcnic_clear_quiscent_mode(struct qlcnic_adapter *adapter)
2848 qlcnic_clr_drv_state(adapter);
2849 qlcnic_api_lock(adapter);
2850 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
2851 qlcnic_api_unlock(adapter);
2854 /* Caller should held RESETTING bit.
2856 int qlcnic_request_quiscent_mode(struct qlcnic_adapter *adapter)
2858 u8 timeo = adapter->dev_init_timeo / 2;
2861 if (qlcnic_api_lock(adapter))
2864 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2865 if (state != QLCNIC_DEV_READY)
2868 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_QUISCENT);
2869 qlcnic_api_unlock(adapter);
2870 QLCDB(adapter, DRV, "NEED QUISCENT state set\n");
2871 qlcnic_idc_debug_info(adapter, 0);
2873 qlcnic_set_drv_state(adapter, QLCNIC_DEV_NEED_QUISCENT);
2877 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2878 if (state == QLCNIC_DEV_QUISCENT)
2880 if (!qlcnic_check_drv_state(adapter)) {
2881 if (qlcnic_api_lock(adapter))
2883 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2884 QLCNIC_DEV_QUISCENT);
2885 qlcnic_api_unlock(adapter);
2886 QLCDB(adapter, DRV, "QUISCENT mode set\n");
2891 dev_err(&adapter->pdev->dev, "Failed to quiesce device, DRV_STATE=%08x"
2892 " DRV_ACTIVE=%08x\n", QLCRD32(adapter, QLCNIC_CRB_DRV_STATE),
2893 QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE));
2894 qlcnic_clear_quiscent_mode(adapter);
2898 /*Transit to RESET state from READY state only */
2900 qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
2904 adapter->need_fw_reset = 1;
2905 if (qlcnic_api_lock(adapter))
2908 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2910 if (state == QLCNIC_DEV_READY) {
2911 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
2912 QLCDB(adapter, DRV, "NEED_RESET state set\n");
2913 qlcnic_idc_debug_info(adapter, 0);
2916 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2917 qlcnic_api_unlock(adapter);
2920 /* Transit to NPAR READY state from NPAR NOT READY state */
2922 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2924 if (qlcnic_api_lock(adapter))
2927 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER);
2928 QLCDB(adapter, DRV, "NPAR operational state set\n");
2930 qlcnic_api_unlock(adapter);
2934 qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2935 work_func_t func, int delay)
2937 if (test_bit(__QLCNIC_AER, &adapter->state))
2940 INIT_DELAYED_WORK(&adapter->fw_work, func);
2941 queue_delayed_work(qlcnic_wq, &adapter->fw_work,
2942 round_jiffies_relative(delay));
2946 qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
2948 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2951 cancel_delayed_work_sync(&adapter->fw_work);
2955 qlcnic_attach_work(struct work_struct *work)
2957 struct qlcnic_adapter *adapter = container_of(work,
2958 struct qlcnic_adapter, fw_work.work);
2959 struct net_device *netdev = adapter->netdev;
2962 if (adapter->op_mode != QLCNIC_MGMT_FUNC) {
2963 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2964 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2965 qlcnic_clr_all_drv_state(adapter, 0);
2966 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2967 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2971 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2975 if (netif_running(netdev)) {
2976 if (qlcnic_up(adapter, netdev))
2979 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2983 netif_device_attach(netdev);
2984 adapter->fw_fail_cnt = 0;
2985 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2987 if (!qlcnic_clr_drv_state(adapter))
2988 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2993 qlcnic_check_health(struct qlcnic_adapter *adapter)
2995 u32 state = 0, heartbeat;
2996 struct net_device *netdev = adapter->netdev;
2998 if (qlcnic_check_temp(adapter))
3001 if (adapter->need_fw_reset)
3002 qlcnic_dev_request_reset(adapter);
3004 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
3005 if (state == QLCNIC_DEV_NEED_RESET) {
3006 qlcnic_set_npar_non_operational(adapter);
3007 adapter->need_fw_reset = 1;
3008 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3011 heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3012 if (heartbeat != adapter->heartbeat) {
3013 adapter->heartbeat = heartbeat;
3014 adapter->fw_fail_cnt = 0;
3015 if (adapter->need_fw_reset)
3018 if (adapter->reset_context &&
3019 auto_fw_reset == AUTO_FW_RESET_ENABLED) {
3020 qlcnic_reset_hw_context(adapter);
3021 adapter->netdev->trans_start = jiffies;
3027 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3030 qlcnic_dev_request_reset(adapter);
3032 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED))
3033 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3035 dev_info(&netdev->dev, "firmware hang detected\n");
3038 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3039 QLCNIC_DEV_NEED_RESET;
3041 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
3042 !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) {
3044 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3045 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3052 qlcnic_fw_poll_work(struct work_struct *work)
3054 struct qlcnic_adapter *adapter = container_of(work,
3055 struct qlcnic_adapter, fw_work.work);
3057 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3061 if (qlcnic_check_health(adapter))
3064 if (adapter->fhash.fnum)
3065 qlcnic_prune_lb_filters(adapter);
3068 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3071 static int qlcnic_is_first_func(struct pci_dev *pdev)
3073 struct pci_dev *oth_pdev;
3074 int val = pdev->devfn;
3077 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3078 (pdev->bus), pdev->bus->number,
3079 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3083 if (oth_pdev->current_state != PCI_D3cold) {
3084 pci_dev_put(oth_pdev);
3087 pci_dev_put(oth_pdev);
3092 static int qlcnic_attach_func(struct pci_dev *pdev)
3094 int err, first_func;
3095 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3096 struct net_device *netdev = adapter->netdev;
3098 pdev->error_state = pci_channel_io_normal;
3100 err = pci_enable_device(pdev);
3104 pci_set_power_state(pdev, PCI_D0);
3105 pci_set_master(pdev);
3106 pci_restore_state(pdev);
3108 first_func = qlcnic_is_first_func(pdev);
3110 if (qlcnic_api_lock(adapter))
3113 if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3114 adapter->need_fw_reset = 1;
3115 set_bit(__QLCNIC_START_FW, &adapter->state);
3116 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
3117 QLCDB(adapter, DRV, "Restarting fw\n");
3119 qlcnic_api_unlock(adapter);
3121 err = adapter->nic_ops->start_firmware(adapter);
3125 qlcnic_clr_drv_state(adapter);
3126 qlcnic_setup_intr(adapter);
3128 if (netif_running(netdev)) {
3129 err = qlcnic_attach(adapter);
3131 qlcnic_clr_all_drv_state(adapter, 1);
3132 clear_bit(__QLCNIC_AER, &adapter->state);
3133 netif_device_attach(netdev);
3137 err = qlcnic_up(adapter, netdev);
3141 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3144 netif_device_attach(netdev);
3148 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3149 pci_channel_state_t state)
3151 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3152 struct net_device *netdev = adapter->netdev;
3154 if (state == pci_channel_io_perm_failure)
3155 return PCI_ERS_RESULT_DISCONNECT;
3157 if (state == pci_channel_io_normal)
3158 return PCI_ERS_RESULT_RECOVERED;
3160 set_bit(__QLCNIC_AER, &adapter->state);
3161 netif_device_detach(netdev);
3163 cancel_delayed_work_sync(&adapter->fw_work);
3165 if (netif_running(netdev))
3166 qlcnic_down(adapter, netdev);
3168 qlcnic_detach(adapter);
3169 qlcnic_teardown_intr(adapter);
3171 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3173 pci_save_state(pdev);
3174 pci_disable_device(pdev);
3176 return PCI_ERS_RESULT_NEED_RESET;
3179 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3181 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3182 PCI_ERS_RESULT_RECOVERED;
3185 static void qlcnic_io_resume(struct pci_dev *pdev)
3187 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3189 pci_cleanup_aer_uncorrect_error_status(pdev);
3191 if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY &&
3192 test_and_clear_bit(__QLCNIC_AER, &adapter->state))
3193 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3198 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3202 err = qlcnic_can_start_firmware(adapter);
3206 err = qlcnic_check_npar_opertional(adapter);
3210 err = qlcnic_initialize_nic(adapter);
3214 qlcnic_check_options(adapter);
3216 err = qlcnic_set_eswitch_port_config(adapter);
3220 adapter->need_fw_reset = 0;
3226 qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
3232 qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
3238 qlcnic_store_bridged_mode(struct device *dev,
3239 struct device_attribute *attr, const char *buf, size_t len)
3241 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3245 if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG))
3248 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3251 if (strict_strtoul(buf, 2, &new))
3254 if (!adapter->nic_ops->config_bridged_mode(adapter, !!new))
3262 qlcnic_show_bridged_mode(struct device *dev,
3263 struct device_attribute *attr, char *buf)
3265 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3266 int bridged_mode = 0;
3268 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
3269 bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED);
3271 return sprintf(buf, "%d\n", bridged_mode);
3274 static struct device_attribute dev_attr_bridged_mode = {
3275 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
3276 .show = qlcnic_show_bridged_mode,
3277 .store = qlcnic_store_bridged_mode,
3281 qlcnic_store_diag_mode(struct device *dev,
3282 struct device_attribute *attr, const char *buf, size_t len)
3284 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3287 if (strict_strtoul(buf, 2, &new))
3290 if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED))
3291 adapter->flags ^= QLCNIC_DIAG_ENABLED;
3297 qlcnic_show_diag_mode(struct device *dev,
3298 struct device_attribute *attr, char *buf)
3300 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3302 return sprintf(buf, "%d\n",
3303 !!(adapter->flags & QLCNIC_DIAG_ENABLED));
3306 static struct device_attribute dev_attr_diag_mode = {
3307 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
3308 .show = qlcnic_show_diag_mode,
3309 .store = qlcnic_store_diag_mode,
3313 qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter,
3314 loff_t offset, size_t size)
3316 size_t crb_size = 4;
3318 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3321 if (offset < QLCNIC_PCI_CRBSPACE) {
3322 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM,
3323 QLCNIC_PCI_CAMQM_END))
3329 if ((size != crb_size) || (offset & (crb_size-1)))
3336 qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj,
3337 struct bin_attribute *attr,
3338 char *buf, loff_t offset, size_t size)
3340 struct device *dev = container_of(kobj, struct device, kobj);
3341 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3346 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3350 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3351 qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata);
3352 memcpy(buf, &qmdata, size);
3354 data = QLCRD32(adapter, offset);
3355 memcpy(buf, &data, size);
3361 qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj,
3362 struct bin_attribute *attr,
3363 char *buf, loff_t offset, size_t size)
3365 struct device *dev = container_of(kobj, struct device, kobj);
3366 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3371 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3375 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3376 memcpy(&qmdata, buf, size);
3377 qlcnic_pci_camqm_write_2M(adapter, offset, qmdata);
3379 memcpy(&data, buf, size);
3380 QLCWR32(adapter, offset, data);
3386 qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter,
3387 loff_t offset, size_t size)
3389 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3392 if ((size != 8) || (offset & 0x7))
3399 qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj,
3400 struct bin_attribute *attr,
3401 char *buf, loff_t offset, size_t size)
3403 struct device *dev = container_of(kobj, struct device, kobj);
3404 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3408 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3412 if (qlcnic_pci_mem_read_2M(adapter, offset, &data))
3415 memcpy(buf, &data, size);
3421 qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj,
3422 struct bin_attribute *attr,
3423 char *buf, loff_t offset, size_t size)
3425 struct device *dev = container_of(kobj, struct device, kobj);
3426 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3430 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3434 memcpy(&data, buf, size);
3436 if (qlcnic_pci_mem_write_2M(adapter, offset, data))
3443 static struct bin_attribute bin_attr_crb = {
3444 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
3446 .read = qlcnic_sysfs_read_crb,
3447 .write = qlcnic_sysfs_write_crb,
3450 static struct bin_attribute bin_attr_mem = {
3451 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
3453 .read = qlcnic_sysfs_read_mem,
3454 .write = qlcnic_sysfs_write_mem,
3458 validate_pm_config(struct qlcnic_adapter *adapter,
3459 struct qlcnic_pm_func_cfg *pm_cfg, int count)
3462 u8 src_pci_func, s_esw_id, d_esw_id;
3466 for (i = 0; i < count; i++) {
3467 src_pci_func = pm_cfg[i].pci_func;
3468 dest_pci_func = pm_cfg[i].dest_npar;
3469 if (src_pci_func >= QLCNIC_MAX_PCI_FUNC
3470 || dest_pci_func >= QLCNIC_MAX_PCI_FUNC)
3471 return QL_STATUS_INVALID_PARAM;
3473 if (adapter->npars[src_pci_func].type != QLCNIC_TYPE_NIC)
3474 return QL_STATUS_INVALID_PARAM;
3476 if (adapter->npars[dest_pci_func].type != QLCNIC_TYPE_NIC)
3477 return QL_STATUS_INVALID_PARAM;
3479 s_esw_id = adapter->npars[src_pci_func].phy_port;
3480 d_esw_id = adapter->npars[dest_pci_func].phy_port;
3482 if (s_esw_id != d_esw_id)
3483 return QL_STATUS_INVALID_PARAM;
3491 qlcnic_sysfs_write_pm_config(struct file *filp, struct kobject *kobj,
3492 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3494 struct device *dev = container_of(kobj, struct device, kobj);
3495 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3496 struct qlcnic_pm_func_cfg *pm_cfg;
3497 u32 id, action, pci_func;
3498 int count, rem, i, ret;
3500 count = size / sizeof(struct qlcnic_pm_func_cfg);
3501 rem = size % sizeof(struct qlcnic_pm_func_cfg);
3503 return QL_STATUS_INVALID_PARAM;
3505 pm_cfg = (struct qlcnic_pm_func_cfg *) buf;
3507 ret = validate_pm_config(adapter, pm_cfg, count);
3510 for (i = 0; i < count; i++) {
3511 pci_func = pm_cfg[i].pci_func;
3512 action = !!pm_cfg[i].action;
3513 id = adapter->npars[pci_func].phy_port;
3514 ret = qlcnic_config_port_mirroring(adapter, id,
3520 for (i = 0; i < count; i++) {
3521 pci_func = pm_cfg[i].pci_func;
3522 id = adapter->npars[pci_func].phy_port;
3523 adapter->npars[pci_func].enable_pm = !!pm_cfg[i].action;
3524 adapter->npars[pci_func].dest_npar = id;
3530 qlcnic_sysfs_read_pm_config(struct file *filp, struct kobject *kobj,
3531 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3533 struct device *dev = container_of(kobj, struct device, kobj);
3534 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3535 struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC];
3538 if (size != sizeof(pm_cfg))
3539 return QL_STATUS_INVALID_PARAM;
3541 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3542 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3544 pm_cfg[i].action = adapter->npars[i].enable_pm;
3545 pm_cfg[i].dest_npar = 0;
3546 pm_cfg[i].pci_func = i;
3548 memcpy(buf, &pm_cfg, size);
3554 validate_esw_config(struct qlcnic_adapter *adapter,
3555 struct qlcnic_esw_func_cfg *esw_cfg, int count)
3561 op_mode = readl(adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE);
3563 for (i = 0; i < count; i++) {
3564 pci_func = esw_cfg[i].pci_func;
3565 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3566 return QL_STATUS_INVALID_PARAM;
3568 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
3569 if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3570 return QL_STATUS_INVALID_PARAM;
3572 switch (esw_cfg[i].op_mode) {
3573 case QLCNIC_PORT_DEFAULTS:
3574 if (QLC_DEV_GET_DRV(op_mode, pci_func) !=
3575 QLCNIC_NON_PRIV_FUNC) {
3576 esw_cfg[i].mac_anti_spoof = 0;
3577 esw_cfg[i].mac_override = 1;
3578 esw_cfg[i].promisc_mode = 1;
3581 case QLCNIC_ADD_VLAN:
3582 if (!IS_VALID_VLAN(esw_cfg[i].vlan_id))
3583 return QL_STATUS_INVALID_PARAM;
3584 if (!esw_cfg[i].op_type)
3585 return QL_STATUS_INVALID_PARAM;
3587 case QLCNIC_DEL_VLAN:
3588 if (!esw_cfg[i].op_type)
3589 return QL_STATUS_INVALID_PARAM;
3592 return QL_STATUS_INVALID_PARAM;
3599 qlcnic_sysfs_write_esw_config(struct file *file, struct kobject *kobj,
3600 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3602 struct device *dev = container_of(kobj, struct device, kobj);
3603 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3604 struct qlcnic_esw_func_cfg *esw_cfg;
3605 struct qlcnic_npar_info *npar;
3606 int count, rem, i, ret;
3607 u8 pci_func, op_mode = 0;
3609 count = size / sizeof(struct qlcnic_esw_func_cfg);
3610 rem = size % sizeof(struct qlcnic_esw_func_cfg);
3612 return QL_STATUS_INVALID_PARAM;
3614 esw_cfg = (struct qlcnic_esw_func_cfg *) buf;
3615 ret = validate_esw_config(adapter, esw_cfg, count);
3619 for (i = 0; i < count; i++) {
3620 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
3621 if (qlcnic_config_switch_port(adapter, &esw_cfg[i]))
3622 return QL_STATUS_INVALID_PARAM;
3624 if (adapter->ahw.pci_func != esw_cfg[i].pci_func)
3627 op_mode = esw_cfg[i].op_mode;
3628 qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]);
3629 esw_cfg[i].op_mode = op_mode;
3630 esw_cfg[i].pci_func = adapter->ahw.pci_func;
3632 switch (esw_cfg[i].op_mode) {
3633 case QLCNIC_PORT_DEFAULTS:
3634 qlcnic_set_eswitch_port_features(adapter, &esw_cfg[i]);
3636 case QLCNIC_ADD_VLAN:
3637 qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
3639 case QLCNIC_DEL_VLAN:
3640 esw_cfg[i].vlan_id = 0;
3641 qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
3646 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
3649 for (i = 0; i < count; i++) {
3650 pci_func = esw_cfg[i].pci_func;
3651 npar = &adapter->npars[pci_func];
3652 switch (esw_cfg[i].op_mode) {
3653 case QLCNIC_PORT_DEFAULTS:
3654 npar->promisc_mode = esw_cfg[i].promisc_mode;
3655 npar->mac_override = esw_cfg[i].mac_override;
3656 npar->offload_flags = esw_cfg[i].offload_flags;
3657 npar->mac_anti_spoof = esw_cfg[i].mac_anti_spoof;
3658 npar->discard_tagged = esw_cfg[i].discard_tagged;
3660 case QLCNIC_ADD_VLAN:
3661 npar->pvid = esw_cfg[i].vlan_id;
3663 case QLCNIC_DEL_VLAN:
3673 qlcnic_sysfs_read_esw_config(struct file *file, struct kobject *kobj,
3674 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3676 struct device *dev = container_of(kobj, struct device, kobj);
3677 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3678 struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC];
3681 if (size != sizeof(esw_cfg))
3682 return QL_STATUS_INVALID_PARAM;
3684 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3685 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3687 esw_cfg[i].pci_func = i;
3688 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]))
3689 return QL_STATUS_INVALID_PARAM;
3691 memcpy(buf, &esw_cfg, size);
3697 validate_npar_config(struct qlcnic_adapter *adapter,
3698 struct qlcnic_npar_func_cfg *np_cfg, int count)
3702 for (i = 0; i < count; i++) {
3703 pci_func = np_cfg[i].pci_func;
3704 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3705 return QL_STATUS_INVALID_PARAM;
3707 if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3708 return QL_STATUS_INVALID_PARAM;
3710 if (!IS_VALID_BW(np_cfg[i].min_bw)
3711 || !IS_VALID_BW(np_cfg[i].max_bw)
3712 || !IS_VALID_RX_QUEUES(np_cfg[i].max_rx_queues)
3713 || !IS_VALID_TX_QUEUES(np_cfg[i].max_tx_queues))
3714 return QL_STATUS_INVALID_PARAM;
3720 qlcnic_sysfs_write_npar_config(struct file *file, struct kobject *kobj,
3721 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3723 struct device *dev = container_of(kobj, struct device, kobj);
3724 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3725 struct qlcnic_info nic_info;
3726 struct qlcnic_npar_func_cfg *np_cfg;
3727 int i, count, rem, ret;
3730 count = size / sizeof(struct qlcnic_npar_func_cfg);
3731 rem = size % sizeof(struct qlcnic_npar_func_cfg);
3733 return QL_STATUS_INVALID_PARAM;
3735 np_cfg = (struct qlcnic_npar_func_cfg *) buf;
3736 ret = validate_npar_config(adapter, np_cfg, count);
3740 for (i = 0; i < count ; i++) {
3741 pci_func = np_cfg[i].pci_func;
3742 ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
3745 nic_info.pci_func = pci_func;
3746 nic_info.min_tx_bw = np_cfg[i].min_bw;
3747 nic_info.max_tx_bw = np_cfg[i].max_bw;
3748 ret = qlcnic_set_nic_info(adapter, &nic_info);
3751 adapter->npars[i].min_bw = nic_info.min_tx_bw;
3752 adapter->npars[i].max_bw = nic_info.max_tx_bw;
3759 qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj,
3760 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3762 struct device *dev = container_of(kobj, struct device, kobj);
3763 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3764 struct qlcnic_info nic_info;
3765 struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC];
3768 if (size != sizeof(np_cfg))
3769 return QL_STATUS_INVALID_PARAM;
3771 for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
3772 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3774 ret = qlcnic_get_nic_info(adapter, &nic_info, i);
3778 np_cfg[i].pci_func = i;
3779 np_cfg[i].op_mode = (u8)nic_info.op_mode;
3780 np_cfg[i].port_num = nic_info.phys_port;
3781 np_cfg[i].fw_capab = nic_info.capabilities;
3782 np_cfg[i].min_bw = nic_info.min_tx_bw ;
3783 np_cfg[i].max_bw = nic_info.max_tx_bw;
3784 np_cfg[i].max_tx_queues = nic_info.max_tx_ques;
3785 np_cfg[i].max_rx_queues = nic_info.max_rx_ques;
3787 memcpy(buf, &np_cfg, size);
3792 qlcnic_sysfs_get_port_stats(struct file *file, struct kobject *kobj,
3793 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3795 struct device *dev = container_of(kobj, struct device, kobj);
3796 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3797 struct qlcnic_esw_statistics port_stats;
3800 if (size != sizeof(struct qlcnic_esw_statistics))
3801 return QL_STATUS_INVALID_PARAM;
3803 if (offset >= QLCNIC_MAX_PCI_FUNC)
3804 return QL_STATUS_INVALID_PARAM;
3806 memset(&port_stats, 0, size);
3807 ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
3812 ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
3817 memcpy(buf, &port_stats, size);
3822 qlcnic_sysfs_get_esw_stats(struct file *file, struct kobject *kobj,
3823 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3825 struct device *dev = container_of(kobj, struct device, kobj);
3826 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3827 struct qlcnic_esw_statistics esw_stats;
3830 if (size != sizeof(struct qlcnic_esw_statistics))
3831 return QL_STATUS_INVALID_PARAM;
3833 if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
3834 return QL_STATUS_INVALID_PARAM;
3836 memset(&esw_stats, 0, size);
3837 ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
3842 ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
3847 memcpy(buf, &esw_stats, size);
3852 qlcnic_sysfs_clear_esw_stats(struct file *file, struct kobject *kobj,
3853 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3855 struct device *dev = container_of(kobj, struct device, kobj);
3856 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3859 if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
3860 return QL_STATUS_INVALID_PARAM;
3862 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
3863 QLCNIC_QUERY_RX_COUNTER);
3867 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
3868 QLCNIC_QUERY_TX_COUNTER);
3876 qlcnic_sysfs_clear_port_stats(struct file *file, struct kobject *kobj,
3877 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3880 struct device *dev = container_of(kobj, struct device, kobj);
3881 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3884 if (offset >= QLCNIC_MAX_PCI_FUNC)
3885 return QL_STATUS_INVALID_PARAM;
3887 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
3888 QLCNIC_QUERY_RX_COUNTER);
3892 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
3893 QLCNIC_QUERY_TX_COUNTER);
3901 qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj,
3902 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3904 struct device *dev = container_of(kobj, struct device, kobj);
3905 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3906 struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC];
3907 struct qlcnic_pci_info *pci_info;
3910 if (size != sizeof(pci_cfg))
3911 return QL_STATUS_INVALID_PARAM;
3913 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
3917 ret = qlcnic_get_pci_info(adapter, pci_info);
3923 for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
3924 pci_cfg[i].pci_func = pci_info[i].id;
3925 pci_cfg[i].func_type = pci_info[i].type;
3926 pci_cfg[i].port_num = pci_info[i].default_port;
3927 pci_cfg[i].min_bw = pci_info[i].tx_min_bw;
3928 pci_cfg[i].max_bw = pci_info[i].tx_max_bw;
3929 memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN);
3931 memcpy(buf, &pci_cfg, size);
3935 static struct bin_attribute bin_attr_npar_config = {
3936 .attr = {.name = "npar_config", .mode = (S_IRUGO | S_IWUSR)},
3938 .read = qlcnic_sysfs_read_npar_config,
3939 .write = qlcnic_sysfs_write_npar_config,
3942 static struct bin_attribute bin_attr_pci_config = {
3943 .attr = {.name = "pci_config", .mode = (S_IRUGO | S_IWUSR)},
3945 .read = qlcnic_sysfs_read_pci_config,
3949 static struct bin_attribute bin_attr_port_stats = {
3950 .attr = {.name = "port_stats", .mode = (S_IRUGO | S_IWUSR)},
3952 .read = qlcnic_sysfs_get_port_stats,
3953 .write = qlcnic_sysfs_clear_port_stats,
3956 static struct bin_attribute bin_attr_esw_stats = {
3957 .attr = {.name = "esw_stats", .mode = (S_IRUGO | S_IWUSR)},
3959 .read = qlcnic_sysfs_get_esw_stats,
3960 .write = qlcnic_sysfs_clear_esw_stats,
3963 static struct bin_attribute bin_attr_esw_config = {
3964 .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)},
3966 .read = qlcnic_sysfs_read_esw_config,
3967 .write = qlcnic_sysfs_write_esw_config,
3970 static struct bin_attribute bin_attr_pm_config = {
3971 .attr = {.name = "pm_config", .mode = (S_IRUGO | S_IWUSR)},
3973 .read = qlcnic_sysfs_read_pm_config,
3974 .write = qlcnic_sysfs_write_pm_config,
3978 qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter)
3980 struct device *dev = &adapter->pdev->dev;
3982 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
3983 if (device_create_file(dev, &dev_attr_bridged_mode))
3985 "failed to create bridged_mode sysfs entry\n");
3989 qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter)
3991 struct device *dev = &adapter->pdev->dev;
3993 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
3994 device_remove_file(dev, &dev_attr_bridged_mode);
3998 qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
4000 struct device *dev = &adapter->pdev->dev;
4002 if (device_create_bin_file(dev, &bin_attr_port_stats))
4003 dev_info(dev, "failed to create port stats sysfs entry");
4005 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
4007 if (device_create_file(dev, &dev_attr_diag_mode))
4008 dev_info(dev, "failed to create diag_mode sysfs entry\n");
4009 if (device_create_bin_file(dev, &bin_attr_crb))
4010 dev_info(dev, "failed to create crb sysfs entry\n");
4011 if (device_create_bin_file(dev, &bin_attr_mem))
4012 dev_info(dev, "failed to create mem sysfs entry\n");
4013 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
4015 if (device_create_bin_file(dev, &bin_attr_esw_config))
4016 dev_info(dev, "failed to create esw config sysfs entry");
4017 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
4019 if (device_create_bin_file(dev, &bin_attr_pci_config))
4020 dev_info(dev, "failed to create pci config sysfs entry");
4021 if (device_create_bin_file(dev, &bin_attr_npar_config))
4022 dev_info(dev, "failed to create npar config sysfs entry");
4023 if (device_create_bin_file(dev, &bin_attr_pm_config))
4024 dev_info(dev, "failed to create pm config sysfs entry");
4025 if (device_create_bin_file(dev, &bin_attr_esw_stats))
4026 dev_info(dev, "failed to create eswitch stats sysfs entry");
4030 qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
4032 struct device *dev = &adapter->pdev->dev;
4034 device_remove_bin_file(dev, &bin_attr_port_stats);
4036 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
4038 device_remove_file(dev, &dev_attr_diag_mode);
4039 device_remove_bin_file(dev, &bin_attr_crb);
4040 device_remove_bin_file(dev, &bin_attr_mem);
4041 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
4043 device_remove_bin_file(dev, &bin_attr_esw_config);
4044 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
4046 device_remove_bin_file(dev, &bin_attr_pci_config);
4047 device_remove_bin_file(dev, &bin_attr_npar_config);
4048 device_remove_bin_file(dev, &bin_attr_pm_config);
4049 device_remove_bin_file(dev, &bin_attr_esw_stats);
4054 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4057 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4058 struct net_device *dev, unsigned long event)
4060 struct in_device *indev;
4062 indev = in_dev_get(dev);
4069 qlcnic_config_ipaddr(adapter,
4070 ifa->ifa_address, QLCNIC_IP_UP);
4073 qlcnic_config_ipaddr(adapter,
4074 ifa->ifa_address, QLCNIC_IP_DOWN);
4079 } endfor_ifa(indev);
4085 qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4087 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4088 struct net_device *dev;
4091 qlcnic_config_indev_addr(adapter, netdev, event);
4093 if (!adapter->vlgrp)
4096 for (vid = 0; vid < VLAN_N_VID; vid++) {
4097 dev = vlan_group_get_device(adapter->vlgrp, vid);
4101 qlcnic_config_indev_addr(adapter, dev, event);
4105 static int qlcnic_netdev_event(struct notifier_block *this,
4106 unsigned long event, void *ptr)
4108 struct qlcnic_adapter *adapter;
4109 struct net_device *dev = (struct net_device *)ptr;
4115 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4116 dev = vlan_dev_real_dev(dev);
4120 if (!is_qlcnic_netdev(dev))
4123 adapter = netdev_priv(dev);
4128 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4131 qlcnic_config_indev_addr(adapter, dev, event);
4137 qlcnic_inetaddr_event(struct notifier_block *this,
4138 unsigned long event, void *ptr)
4140 struct qlcnic_adapter *adapter;
4141 struct net_device *dev;
4143 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4145 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4151 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4152 dev = vlan_dev_real_dev(dev);
4156 if (!is_qlcnic_netdev(dev))
4159 adapter = netdev_priv(dev);
4164 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4169 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4172 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4182 static struct notifier_block qlcnic_netdev_cb = {
4183 .notifier_call = qlcnic_netdev_event,
4186 static struct notifier_block qlcnic_inetaddr_cb = {
4187 .notifier_call = qlcnic_inetaddr_event,
4191 qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4194 static struct pci_error_handlers qlcnic_err_handler = {
4195 .error_detected = qlcnic_io_error_detected,
4196 .slot_reset = qlcnic_io_slot_reset,
4197 .resume = qlcnic_io_resume,
4200 static struct pci_driver qlcnic_driver = {
4201 .name = qlcnic_driver_name,
4202 .id_table = qlcnic_pci_tbl,
4203 .probe = qlcnic_probe,
4204 .remove = __devexit_p(qlcnic_remove),
4206 .suspend = qlcnic_suspend,
4207 .resume = qlcnic_resume,
4209 .shutdown = qlcnic_shutdown,
4210 .err_handler = &qlcnic_err_handler
4214 static int __init qlcnic_init_module(void)
4218 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4220 qlcnic_wq = create_singlethread_workqueue("qlcnic");
4221 if (qlcnic_wq == NULL) {
4222 printk(KERN_ERR "qlcnic: cannot create workqueue\n");
4227 register_netdevice_notifier(&qlcnic_netdev_cb);
4228 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4231 ret = pci_register_driver(&qlcnic_driver);
4234 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4235 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4237 destroy_workqueue(qlcnic_wq);
4243 module_init(qlcnic_init_module);
4245 static void __exit qlcnic_exit_module(void)
4248 pci_unregister_driver(&qlcnic_driver);
4251 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4252 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4254 destroy_workqueue(qlcnic_wq);
4257 module_exit(qlcnic_exit_module);