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);
659 if (adapter->ahw.port_type == QLCNIC_XGBE) {
660 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
661 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
662 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
664 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
665 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
668 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
669 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
671 } else if (adapter->ahw.port_type == QLCNIC_GBE) {
672 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
673 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
674 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
675 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
678 adapter->msix_supported = !!use_msi_x;
679 adapter->rss_supported = !!use_msi_x;
681 adapter->num_txd = MAX_CMD_DESCRIPTORS;
683 adapter->max_rds_rings = MAX_RDS_RINGS;
687 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
690 struct qlcnic_info nic_info;
692 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw.pci_func);
696 adapter->physical_port = (u8)nic_info.phys_port;
697 adapter->switch_mode = nic_info.switch_mode;
698 adapter->max_tx_ques = nic_info.max_tx_ques;
699 adapter->max_rx_ques = nic_info.max_rx_ques;
700 adapter->capabilities = nic_info.capabilities;
701 adapter->max_mac_filters = nic_info.max_mac_filters;
702 adapter->max_mtu = nic_info.max_mtu;
704 if (adapter->capabilities & BIT_6)
705 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
707 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
713 qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
714 struct qlcnic_esw_func_cfg *esw_cfg)
716 if (esw_cfg->discard_tagged)
717 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
719 adapter->flags |= QLCNIC_TAGGING_ENABLED;
721 if (esw_cfg->vlan_id)
722 adapter->pvid = esw_cfg->vlan_id;
728 qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
729 struct qlcnic_esw_func_cfg *esw_cfg)
731 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
732 QLCNIC_PROMISC_DISABLED);
734 if (esw_cfg->mac_anti_spoof)
735 adapter->flags |= QLCNIC_MACSPOOF;
737 if (!esw_cfg->mac_override)
738 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
740 if (!esw_cfg->promisc_mode)
741 adapter->flags |= QLCNIC_PROMISC_DISABLED;
743 qlcnic_set_netdev_features(adapter, esw_cfg);
747 qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
749 struct qlcnic_esw_func_cfg esw_cfg;
751 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
754 esw_cfg.pci_func = adapter->ahw.pci_func;
755 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
757 qlcnic_set_vlan_config(adapter, &esw_cfg);
758 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
764 qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
765 struct qlcnic_esw_func_cfg *esw_cfg)
767 struct net_device *netdev = adapter->netdev;
768 unsigned long features, vlan_features;
770 features = (NETIF_F_SG | NETIF_F_IP_CSUM |
771 NETIF_F_IPV6_CSUM | NETIF_F_GRO);
772 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
775 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
776 features |= (NETIF_F_TSO | NETIF_F_TSO6);
777 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
779 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
780 features |= NETIF_F_LRO;
782 if (esw_cfg->offload_flags & BIT_0) {
783 netdev->features |= features;
784 adapter->rx_csum = 1;
785 if (!(esw_cfg->offload_flags & BIT_1))
786 netdev->features &= ~NETIF_F_TSO;
787 if (!(esw_cfg->offload_flags & BIT_2))
788 netdev->features &= ~NETIF_F_TSO6;
790 netdev->features &= ~features;
791 adapter->rx_csum = 0;
794 netdev->vlan_features = (features & vlan_features);
798 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
800 void __iomem *priv_op;
801 u32 op_mode, priv_level;
804 err = qlcnic_initialize_nic(adapter);
808 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
811 priv_op = adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE;
812 op_mode = readl(priv_op);
813 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw.pci_func);
815 if (op_mode == QLC_DEV_DRV_DEFAULT)
816 priv_level = QLCNIC_MGMT_FUNC;
818 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw.pci_func);
820 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
821 if (priv_level == QLCNIC_MGMT_FUNC) {
822 adapter->op_mode = QLCNIC_MGMT_FUNC;
823 err = qlcnic_init_pci_info(adapter);
826 /* Set privilege level for other functions */
827 qlcnic_set_function_modes(adapter);
828 dev_info(&adapter->pdev->dev,
829 "HAL Version: %d, Management function\n",
830 adapter->fw_hal_version);
831 } else if (priv_level == QLCNIC_PRIV_FUNC) {
832 adapter->op_mode = QLCNIC_PRIV_FUNC;
833 dev_info(&adapter->pdev->dev,
834 "HAL Version: %d, Privileged function\n",
835 adapter->fw_hal_version);
839 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
845 qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
847 struct qlcnic_esw_func_cfg esw_cfg;
848 struct qlcnic_npar_info *npar;
851 if (adapter->need_fw_reset)
854 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
855 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
857 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
858 esw_cfg.pci_func = i;
859 esw_cfg.offload_flags = BIT_0;
860 esw_cfg.mac_override = BIT_0;
861 esw_cfg.promisc_mode = BIT_0;
862 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
863 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
864 if (qlcnic_config_switch_port(adapter, &esw_cfg))
866 npar = &adapter->npars[i];
867 npar->pvid = esw_cfg.vlan_id;
868 npar->mac_override = esw_cfg.mac_override;
869 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
870 npar->discard_tagged = esw_cfg.discard_tagged;
871 npar->promisc_mode = esw_cfg.promisc_mode;
872 npar->offload_flags = esw_cfg.offload_flags;
879 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
880 struct qlcnic_npar_info *npar, int pci_func)
882 struct qlcnic_esw_func_cfg esw_cfg;
883 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
884 esw_cfg.pci_func = pci_func;
885 esw_cfg.vlan_id = npar->pvid;
886 esw_cfg.mac_override = npar->mac_override;
887 esw_cfg.discard_tagged = npar->discard_tagged;
888 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
889 esw_cfg.offload_flags = npar->offload_flags;
890 esw_cfg.promisc_mode = npar->promisc_mode;
891 if (qlcnic_config_switch_port(adapter, &esw_cfg))
894 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
895 if (qlcnic_config_switch_port(adapter, &esw_cfg))
902 qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
905 struct qlcnic_npar_info *npar;
906 struct qlcnic_info nic_info;
908 if (!adapter->need_fw_reset)
911 /* Set the NPAR config data after FW reset */
912 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
913 npar = &adapter->npars[i];
914 if (npar->type != QLCNIC_TYPE_NIC)
916 err = qlcnic_get_nic_info(adapter, &nic_info, i);
919 nic_info.min_tx_bw = npar->min_bw;
920 nic_info.max_tx_bw = npar->max_bw;
921 err = qlcnic_set_nic_info(adapter, &nic_info);
925 if (npar->enable_pm) {
926 err = qlcnic_config_port_mirroring(adapter,
927 npar->dest_npar, 1, i);
931 err = qlcnic_reset_eswitch_config(adapter, npar, i);
938 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
940 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
943 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
946 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
947 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
949 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
951 if (!npar_opt_timeo) {
952 dev_err(&adapter->pdev->dev,
953 "Waiting for NPAR state to opertional timeout\n");
960 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
964 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
965 adapter->op_mode != QLCNIC_MGMT_FUNC)
968 err = qlcnic_set_default_offload_settings(adapter);
972 err = qlcnic_reset_npar_config(adapter);
976 qlcnic_dev_set_npar_ready(adapter);
982 qlcnic_start_firmware(struct qlcnic_adapter *adapter)
986 err = qlcnic_can_start_firmware(adapter);
990 goto check_fw_status;
993 qlcnic_request_firmware(adapter);
995 err = qlcnic_check_flash_fw_ver(adapter);
999 adapter->fw_type = QLCNIC_FLASH_ROMIMAGE;
1002 err = qlcnic_need_fw_reset(adapter);
1004 goto check_fw_status;
1006 err = qlcnic_pinit_from_rom(adapter);
1010 err = qlcnic_load_firmware(adapter);
1014 qlcnic_release_firmware(adapter);
1015 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1018 err = qlcnic_check_fw_status(adapter);
1022 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1023 qlcnic_idc_debug_info(adapter, 1);
1025 err = qlcnic_check_eswitch_mode(adapter);
1027 dev_err(&adapter->pdev->dev,
1028 "Memory allocation failed for eswitch\n");
1031 err = qlcnic_set_mgmt_operations(adapter);
1035 qlcnic_check_options(adapter);
1036 adapter->need_fw_reset = 0;
1038 qlcnic_release_firmware(adapter);
1042 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1043 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1045 qlcnic_release_firmware(adapter);
1050 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1052 irq_handler_t handler;
1053 struct qlcnic_host_sds_ring *sds_ring;
1056 unsigned long flags = 0;
1057 struct net_device *netdev = adapter->netdev;
1058 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
1060 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1061 handler = qlcnic_tmp_intr;
1062 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1063 flags |= IRQF_SHARED;
1066 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1067 handler = qlcnic_msix_intr;
1068 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1069 handler = qlcnic_msi_intr;
1071 flags |= IRQF_SHARED;
1072 handler = qlcnic_intr;
1075 adapter->irq = netdev->irq;
1077 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1078 sds_ring = &recv_ctx->sds_rings[ring];
1079 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1080 err = request_irq(sds_ring->irq, handler,
1081 flags, sds_ring->name, sds_ring);
1090 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1093 struct qlcnic_host_sds_ring *sds_ring;
1095 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
1097 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1098 sds_ring = &recv_ctx->sds_rings[ring];
1099 free_irq(sds_ring->irq, sds_ring);
1104 qlcnic_init_coalesce_defaults(struct qlcnic_adapter *adapter)
1106 adapter->coal.flags = QLCNIC_INTR_DEFAULT;
1107 adapter->coal.normal.data.rx_time_us =
1108 QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
1109 adapter->coal.normal.data.rx_packets =
1110 QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
1111 adapter->coal.normal.data.tx_time_us =
1112 QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US;
1113 adapter->coal.normal.data.tx_packets =
1114 QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS;
1118 __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1121 struct qlcnic_host_rds_ring *rds_ring;
1123 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1126 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1128 if (qlcnic_set_eswitch_port_config(adapter))
1131 if (qlcnic_fw_create_ctx(adapter))
1134 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1135 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1136 qlcnic_post_rx_buffers(adapter, ring, rds_ring);
1139 qlcnic_set_multi(netdev);
1140 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1142 adapter->ahw.linkup = 0;
1144 if (adapter->max_sds_rings > 1)
1145 qlcnic_config_rss(adapter, 1);
1147 qlcnic_config_intr_coalesce(adapter);
1149 if (netdev->features & NETIF_F_LRO)
1150 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1152 qlcnic_napi_enable(adapter);
1154 qlcnic_linkevent_request(adapter, 1);
1156 adapter->reset_context = 0;
1157 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1161 /* Usage: During resume and firmware recovery module.*/
1164 qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1169 if (netif_running(netdev))
1170 err = __qlcnic_up(adapter, netdev);
1177 __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1179 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1182 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1186 spin_lock(&adapter->tx_clean_lock);
1187 netif_carrier_off(netdev);
1188 netif_tx_disable(netdev);
1190 qlcnic_free_mac_list(adapter);
1192 if (adapter->fhash.fnum)
1193 qlcnic_delete_lb_filters(adapter);
1195 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1197 qlcnic_napi_disable(adapter);
1199 qlcnic_fw_destroy_ctx(adapter);
1201 qlcnic_reset_rx_buffers_list(adapter);
1202 qlcnic_release_tx_buffers(adapter);
1203 spin_unlock(&adapter->tx_clean_lock);
1206 /* Usage: During suspend and firmware recovery module */
1209 qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1212 if (netif_running(netdev))
1213 __qlcnic_down(adapter, netdev);
1219 qlcnic_attach(struct qlcnic_adapter *adapter)
1221 struct net_device *netdev = adapter->netdev;
1222 struct pci_dev *pdev = adapter->pdev;
1225 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1228 err = qlcnic_napi_add(adapter, netdev);
1232 err = qlcnic_alloc_sw_resources(adapter);
1234 dev_err(&pdev->dev, "Error in setting sw resources\n");
1235 goto err_out_napi_del;
1238 err = qlcnic_alloc_hw_resources(adapter);
1240 dev_err(&pdev->dev, "Error in setting hw resources\n");
1241 goto err_out_free_sw;
1244 err = qlcnic_request_irq(adapter);
1246 dev_err(&pdev->dev, "failed to setup interrupt\n");
1247 goto err_out_free_hw;
1250 qlcnic_init_coalesce_defaults(adapter);
1252 qlcnic_create_sysfs_entries(adapter);
1254 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1258 qlcnic_free_hw_resources(adapter);
1260 qlcnic_free_sw_resources(adapter);
1262 qlcnic_napi_del(adapter);
1267 qlcnic_detach(struct qlcnic_adapter *adapter)
1269 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1272 qlcnic_remove_sysfs_entries(adapter);
1274 qlcnic_free_hw_resources(adapter);
1275 qlcnic_release_rx_buffers(adapter);
1276 qlcnic_free_irq(adapter);
1277 qlcnic_napi_del(adapter);
1278 qlcnic_free_sw_resources(adapter);
1283 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
1285 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1286 struct qlcnic_host_sds_ring *sds_ring;
1289 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1290 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1291 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1292 sds_ring = &adapter->recv_ctx.sds_rings[ring];
1293 qlcnic_disable_int(sds_ring);
1297 qlcnic_fw_destroy_ctx(adapter);
1299 qlcnic_detach(adapter);
1301 adapter->diag_test = 0;
1302 adapter->max_sds_rings = max_sds_rings;
1304 if (qlcnic_attach(adapter))
1307 if (netif_running(netdev))
1308 __qlcnic_up(adapter, netdev);
1310 netif_device_attach(netdev);
1313 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
1315 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1316 struct qlcnic_host_sds_ring *sds_ring;
1317 struct qlcnic_host_rds_ring *rds_ring;
1321 netif_device_detach(netdev);
1323 if (netif_running(netdev))
1324 __qlcnic_down(adapter, netdev);
1326 qlcnic_detach(adapter);
1328 adapter->max_sds_rings = 1;
1329 adapter->diag_test = test;
1331 ret = qlcnic_attach(adapter);
1333 netif_device_attach(netdev);
1337 ret = qlcnic_fw_create_ctx(adapter);
1339 qlcnic_detach(adapter);
1340 netif_device_attach(netdev);
1344 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1345 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1346 qlcnic_post_rx_buffers(adapter, ring, rds_ring);
1349 if (adapter->diag_test == QLCNIC_INTERRUPT_TEST) {
1350 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1351 sds_ring = &adapter->recv_ctx.sds_rings[ring];
1352 qlcnic_enable_int(sds_ring);
1355 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1360 /* Reset context in hardware only */
1362 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
1364 struct net_device *netdev = adapter->netdev;
1366 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1369 netif_device_detach(netdev);
1371 qlcnic_down(adapter, netdev);
1373 qlcnic_up(adapter, netdev);
1375 netif_device_attach(netdev);
1377 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1382 qlcnic_reset_context(struct qlcnic_adapter *adapter)
1385 struct net_device *netdev = adapter->netdev;
1387 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1390 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1392 netif_device_detach(netdev);
1394 if (netif_running(netdev))
1395 __qlcnic_down(adapter, netdev);
1397 qlcnic_detach(adapter);
1399 if (netif_running(netdev)) {
1400 err = qlcnic_attach(adapter);
1402 __qlcnic_up(adapter, netdev);
1405 netif_device_attach(netdev);
1408 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1413 qlcnic_setup_netdev(struct qlcnic_adapter *adapter,
1414 struct net_device *netdev, u8 pci_using_dac)
1417 struct pci_dev *pdev = adapter->pdev;
1419 adapter->rx_csum = 1;
1420 adapter->mc_enabled = 0;
1421 adapter->max_mc_count = 38;
1423 netdev->netdev_ops = &qlcnic_netdev_ops;
1424 netdev->watchdog_timeo = 5*HZ;
1426 qlcnic_change_mtu(netdev, netdev->mtu);
1428 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
1430 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1431 NETIF_F_IPV6_CSUM | NETIF_F_GRO | NETIF_F_HW_VLAN_RX);
1432 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
1435 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
1436 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
1437 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
1440 if (pci_using_dac) {
1441 netdev->features |= NETIF_F_HIGHDMA;
1442 netdev->vlan_features |= NETIF_F_HIGHDMA;
1445 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
1446 netdev->features |= (NETIF_F_HW_VLAN_TX);
1448 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
1449 netdev->features |= NETIF_F_LRO;
1450 netdev->irq = adapter->msix_entries[0].vector;
1452 netif_carrier_off(netdev);
1454 err = register_netdev(netdev);
1456 dev_err(&pdev->dev, "failed to register net device\n");
1463 static int qlcnic_set_dma_mask(struct pci_dev *pdev, u8 *pci_using_dac)
1465 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1466 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
1468 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
1469 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1472 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
1479 static int __devinit
1480 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1482 struct net_device *netdev = NULL;
1483 struct qlcnic_adapter *adapter = NULL;
1485 uint8_t revision_id;
1486 uint8_t pci_using_dac;
1487 char brd_name[QLCNIC_MAX_BOARD_NAME_LEN];
1489 err = pci_enable_device(pdev);
1493 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1495 goto err_out_disable_pdev;
1498 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
1500 goto err_out_disable_pdev;
1502 err = pci_request_regions(pdev, qlcnic_driver_name);
1504 goto err_out_disable_pdev;
1506 pci_set_master(pdev);
1507 pci_enable_pcie_error_reporting(pdev);
1509 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
1511 dev_err(&pdev->dev, "failed to allocate net_device\n");
1513 goto err_out_free_res;
1516 SET_NETDEV_DEV(netdev, &pdev->dev);
1518 adapter = netdev_priv(netdev);
1519 adapter->netdev = netdev;
1520 adapter->pdev = pdev;
1521 adapter->dev_rst_time = jiffies;
1523 revision_id = pdev->revision;
1524 adapter->ahw.revision_id = revision_id;
1526 rwlock_init(&adapter->ahw.crb_lock);
1527 mutex_init(&adapter->ahw.mem_lock);
1529 spin_lock_init(&adapter->tx_clean_lock);
1530 INIT_LIST_HEAD(&adapter->mac_list);
1532 err = qlcnic_setup_pci_map(adapter);
1534 goto err_out_free_netdev;
1536 /* This will be reset for mezz cards */
1537 adapter->portnum = adapter->ahw.pci_func;
1539 err = qlcnic_get_board_info(adapter);
1541 dev_err(&pdev->dev, "Error getting board config info.\n");
1542 goto err_out_iounmap;
1545 err = qlcnic_setup_idc_param(adapter);
1547 goto err_out_iounmap;
1549 err = adapter->nic_ops->start_firmware(adapter);
1551 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
1552 goto err_out_decr_ref;
1555 if (qlcnic_read_mac_addr(adapter))
1556 dev_warn(&pdev->dev, "failed to read mac addr\n");
1558 if (adapter->portnum == 0) {
1559 get_brd_name(adapter, brd_name);
1561 pr_info("%s: %s Board Chip rev 0x%x\n",
1562 module_name(THIS_MODULE),
1563 brd_name, adapter->ahw.revision_id);
1566 qlcnic_clear_stats(adapter);
1568 qlcnic_setup_intr(adapter);
1570 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
1572 goto err_out_disable_msi;
1574 pci_set_drvdata(pdev, adapter);
1576 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1578 switch (adapter->ahw.port_type) {
1580 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1581 adapter->netdev->name);
1584 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1585 adapter->netdev->name);
1589 qlcnic_alloc_lb_filters_mem(adapter);
1590 qlcnic_create_diag_entries(adapter);
1594 err_out_disable_msi:
1595 qlcnic_teardown_intr(adapter);
1598 qlcnic_clr_all_drv_state(adapter, 0);
1601 qlcnic_cleanup_pci_map(adapter);
1603 err_out_free_netdev:
1604 free_netdev(netdev);
1607 pci_release_regions(pdev);
1609 err_out_disable_pdev:
1610 pci_set_drvdata(pdev, NULL);
1611 pci_disable_device(pdev);
1615 static void __devexit qlcnic_remove(struct pci_dev *pdev)
1617 struct qlcnic_adapter *adapter;
1618 struct net_device *netdev;
1620 adapter = pci_get_drvdata(pdev);
1621 if (adapter == NULL)
1624 netdev = adapter->netdev;
1626 qlcnic_cancel_fw_work(adapter);
1628 unregister_netdev(netdev);
1630 qlcnic_detach(adapter);
1632 if (adapter->npars != NULL)
1633 kfree(adapter->npars);
1634 if (adapter->eswitch != NULL)
1635 kfree(adapter->eswitch);
1637 qlcnic_clr_all_drv_state(adapter, 0);
1639 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1641 qlcnic_free_lb_filters_mem(adapter);
1643 qlcnic_teardown_intr(adapter);
1645 qlcnic_remove_diag_entries(adapter);
1647 qlcnic_cleanup_pci_map(adapter);
1649 qlcnic_release_firmware(adapter);
1651 pci_disable_pcie_error_reporting(pdev);
1652 pci_release_regions(pdev);
1653 pci_disable_device(pdev);
1654 pci_set_drvdata(pdev, NULL);
1656 free_netdev(netdev);
1658 static int __qlcnic_shutdown(struct pci_dev *pdev)
1660 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1661 struct net_device *netdev = adapter->netdev;
1664 netif_device_detach(netdev);
1666 qlcnic_cancel_fw_work(adapter);
1668 if (netif_running(netdev))
1669 qlcnic_down(adapter, netdev);
1671 qlcnic_clr_all_drv_state(adapter, 0);
1673 clear_bit(__QLCNIC_RESETTING, &adapter->state);
1675 retval = pci_save_state(pdev);
1679 if (qlcnic_wol_supported(adapter)) {
1680 pci_enable_wake(pdev, PCI_D3cold, 1);
1681 pci_enable_wake(pdev, PCI_D3hot, 1);
1687 static void qlcnic_shutdown(struct pci_dev *pdev)
1689 if (__qlcnic_shutdown(pdev))
1692 pci_disable_device(pdev);
1697 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
1701 retval = __qlcnic_shutdown(pdev);
1705 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1710 qlcnic_resume(struct pci_dev *pdev)
1712 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
1713 struct net_device *netdev = adapter->netdev;
1716 err = pci_enable_device(pdev);
1720 pci_set_power_state(pdev, PCI_D0);
1721 pci_set_master(pdev);
1722 pci_restore_state(pdev);
1724 err = adapter->nic_ops->start_firmware(adapter);
1726 dev_err(&pdev->dev, "failed to start firmware\n");
1730 if (netif_running(netdev)) {
1731 err = qlcnic_up(adapter, netdev);
1735 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
1738 netif_device_attach(netdev);
1739 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
1744 static int qlcnic_open(struct net_device *netdev)
1746 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1749 err = qlcnic_attach(adapter);
1753 err = __qlcnic_up(adapter, netdev);
1757 netif_start_queue(netdev);
1762 qlcnic_detach(adapter);
1767 * qlcnic_close - Disables a network interface entry point
1769 static int qlcnic_close(struct net_device *netdev)
1771 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1773 __qlcnic_down(adapter, netdev);
1778 qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
1783 if (!qlcnic_mac_learn)
1786 spin_lock_init(&adapter->mac_learn_lock);
1788 head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head),
1793 adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS;
1794 adapter->fhash.fhead = (struct hlist_head *)head;
1796 for (i = 0; i < adapter->fhash.fmax; i++)
1797 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
1800 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
1802 if (adapter->fhash.fmax && adapter->fhash.fhead)
1803 kfree(adapter->fhash.fhead);
1805 adapter->fhash.fhead = NULL;
1806 adapter->fhash.fmax = 0;
1809 static void qlcnic_change_filter(struct qlcnic_adapter *adapter,
1810 u64 uaddr, __le16 vlan_id, struct qlcnic_host_tx_ring *tx_ring)
1812 struct cmd_desc_type0 *hwdesc;
1813 struct qlcnic_nic_req *req;
1814 struct qlcnic_mac_req *mac_req;
1815 struct qlcnic_vlan_req *vlan_req;
1819 producer = tx_ring->producer;
1820 hwdesc = &tx_ring->desc_head[tx_ring->producer];
1822 req = (struct qlcnic_nic_req *)hwdesc;
1823 memset(req, 0, sizeof(struct qlcnic_nic_req));
1824 req->qhdr = cpu_to_le64(QLCNIC_REQUEST << 23);
1826 word = QLCNIC_MAC_EVENT | ((u64)(adapter->portnum) << 16);
1827 req->req_hdr = cpu_to_le64(word);
1829 mac_req = (struct qlcnic_mac_req *)&(req->words[0]);
1830 mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD;
1831 memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN);
1833 vlan_req = (struct qlcnic_vlan_req *)&req->words[1];
1834 vlan_req->vlan_id = vlan_id;
1836 tx_ring->producer = get_next_index(producer, tx_ring->num_desc);
1839 #define QLCNIC_MAC_HASH(MAC)\
1840 ((((MAC) & 0x70000) >> 0x10) | (((MAC) & 0x70000000000ULL) >> 0x25))
1843 qlcnic_send_filter(struct qlcnic_adapter *adapter,
1844 struct qlcnic_host_tx_ring *tx_ring,
1845 struct cmd_desc_type0 *first_desc,
1846 struct sk_buff *skb)
1848 struct ethhdr *phdr = (struct ethhdr *)(skb->data);
1849 struct qlcnic_filter *fil, *tmp_fil;
1850 struct hlist_node *tmp_hnode, *n;
1851 struct hlist_head *head;
1856 if (!compare_ether_addr(phdr->h_source, adapter->mac_addr))
1859 if (adapter->fhash.fnum >= adapter->fhash.fmax)
1862 /* Only NPAR capable devices support vlan based learning*/
1863 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
1864 vlan_id = first_desc->vlan_TCI;
1865 memcpy(&src_addr, phdr->h_source, ETH_ALEN);
1866 hindex = QLCNIC_MAC_HASH(src_addr) & (QLCNIC_LB_MAX_FILTERS - 1);
1867 head = &(adapter->fhash.fhead[hindex]);
1869 hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) {
1870 if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) &&
1871 tmp_fil->vlan_id == vlan_id) {
1874 (QLCNIC_READD_AGE * HZ + tmp_fil->ftime))
1875 qlcnic_change_filter(adapter, src_addr, vlan_id,
1877 tmp_fil->ftime = jiffies;
1882 fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC);
1886 qlcnic_change_filter(adapter, src_addr, vlan_id, tx_ring);
1888 fil->ftime = jiffies;
1889 fil->vlan_id = vlan_id;
1890 memcpy(fil->faddr, &src_addr, ETH_ALEN);
1891 spin_lock(&adapter->mac_learn_lock);
1892 hlist_add_head(&(fil->fnode), head);
1893 adapter->fhash.fnum++;
1894 spin_unlock(&adapter->mac_learn_lock);
1898 qlcnic_tso_check(struct net_device *netdev,
1899 struct qlcnic_host_tx_ring *tx_ring,
1900 struct cmd_desc_type0 *first_desc,
1901 struct sk_buff *skb)
1903 u8 opcode = TX_ETHER_PKT;
1904 __be16 protocol = skb->protocol;
1906 int copied, offset, copy_len, hdr_len = 0, tso = 0;
1907 struct cmd_desc_type0 *hwdesc;
1908 struct vlan_ethhdr *vh;
1909 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1910 u32 producer = tx_ring->producer;
1911 __le16 vlan_oob = first_desc->flags_opcode &
1912 cpu_to_le16(FLAGS_VLAN_OOB);
1914 if (*(skb->data) & BIT_0) {
1916 memcpy(&first_desc->eth_addr, skb->data, ETH_ALEN);
1919 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1920 skb_shinfo(skb)->gso_size > 0) {
1922 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1924 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1925 first_desc->total_hdr_length = hdr_len;
1927 first_desc->total_hdr_length += VLAN_HLEN;
1928 first_desc->tcp_hdr_offset = VLAN_HLEN;
1929 first_desc->ip_hdr_offset = VLAN_HLEN;
1930 /* Only in case of TSO on vlan device */
1931 flags |= FLAGS_VLAN_TAGGED;
1934 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1935 TX_TCP_LSO6 : TX_TCP_LSO;
1938 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1941 if (protocol == cpu_to_be16(ETH_P_IP)) {
1942 l4proto = ip_hdr(skb)->protocol;
1944 if (l4proto == IPPROTO_TCP)
1945 opcode = TX_TCP_PKT;
1946 else if (l4proto == IPPROTO_UDP)
1947 opcode = TX_UDP_PKT;
1948 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1949 l4proto = ipv6_hdr(skb)->nexthdr;
1951 if (l4proto == IPPROTO_TCP)
1952 opcode = TX_TCPV6_PKT;
1953 else if (l4proto == IPPROTO_UDP)
1954 opcode = TX_UDPV6_PKT;
1958 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1959 first_desc->ip_hdr_offset += skb_network_offset(skb);
1960 qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
1965 /* For LSO, we need to copy the MAC/IP/TCP headers into
1966 * the descriptor ring
1972 /* Create a TSO vlan header template for firmware */
1974 hwdesc = &tx_ring->desc_head[producer];
1975 tx_ring->cmd_buf_arr[producer].skb = NULL;
1977 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1978 hdr_len + VLAN_HLEN);
1980 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1981 skb_copy_from_linear_data(skb, vh, 12);
1982 vh->h_vlan_proto = htons(ETH_P_8021Q);
1983 vh->h_vlan_TCI = (__be16)swab16((u16)first_desc->vlan_TCI);
1985 skb_copy_from_linear_data_offset(skb, 12,
1986 (char *)vh + 16, copy_len - 16);
1988 copied = copy_len - VLAN_HLEN;
1991 producer = get_next_index(producer, tx_ring->num_desc);
1994 while (copied < hdr_len) {
1996 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1997 (hdr_len - copied));
1999 hwdesc = &tx_ring->desc_head[producer];
2000 tx_ring->cmd_buf_arr[producer].skb = NULL;
2002 skb_copy_from_linear_data_offset(skb, copied,
2003 (char *)hwdesc + offset, copy_len);
2008 producer = get_next_index(producer, tx_ring->num_desc);
2011 tx_ring->producer = producer;
2013 adapter->stats.lso_frames++;
2017 qlcnic_map_tx_skb(struct pci_dev *pdev,
2018 struct sk_buff *skb, struct qlcnic_cmd_buffer *pbuf)
2020 struct qlcnic_skb_frag *nf;
2021 struct skb_frag_struct *frag;
2025 nr_frags = skb_shinfo(skb)->nr_frags;
2026 nf = &pbuf->frag_array[0];
2028 map = pci_map_single(pdev, skb->data,
2029 skb_headlen(skb), PCI_DMA_TODEVICE);
2030 if (pci_dma_mapping_error(pdev, map))
2034 nf->length = skb_headlen(skb);
2036 for (i = 0; i < nr_frags; i++) {
2037 frag = &skb_shinfo(skb)->frags[i];
2038 nf = &pbuf->frag_array[i+1];
2040 map = pci_map_page(pdev, frag->page, frag->page_offset,
2041 frag->size, PCI_DMA_TODEVICE);
2042 if (pci_dma_mapping_error(pdev, map))
2046 nf->length = frag->size;
2053 nf = &pbuf->frag_array[i+1];
2054 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2057 nf = &pbuf->frag_array[0];
2058 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2065 qlcnic_check_tx_tagging(struct qlcnic_adapter *adapter,
2066 struct sk_buff *skb,
2067 struct cmd_desc_type0 *first_desc)
2071 __be16 protocol = skb->protocol;
2072 struct vlan_ethhdr *vh;
2074 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
2075 vh = (struct vlan_ethhdr *)skb->data;
2076 protocol = vh->h_vlan_encapsulated_proto;
2077 flags = FLAGS_VLAN_TAGGED;
2078 qlcnic_set_tx_vlan_tci(first_desc, ntohs(vh->h_vlan_TCI));
2079 } else if (vlan_tx_tag_present(skb)) {
2080 flags = FLAGS_VLAN_OOB;
2081 qlcnic_set_tx_vlan_tci(first_desc, vlan_tx_tag_get(skb));
2083 if (unlikely(adapter->pvid)) {
2084 if (first_desc->vlan_TCI &&
2085 !(adapter->flags & QLCNIC_TAGGING_ENABLED))
2087 if (first_desc->vlan_TCI &&
2088 (adapter->flags & QLCNIC_TAGGING_ENABLED))
2091 flags = FLAGS_VLAN_OOB;
2092 qlcnic_set_tx_vlan_tci(first_desc, adapter->pvid);
2095 qlcnic_set_tx_flags_opcode(first_desc, flags, opcode);
2100 qlcnic_clear_cmddesc(u64 *desc)
2108 qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2110 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2111 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2112 struct qlcnic_cmd_buffer *pbuf;
2113 struct qlcnic_skb_frag *buffrag;
2114 struct cmd_desc_type0 *hwdesc, *first_desc;
2115 struct pci_dev *pdev;
2116 struct ethhdr *phdr;
2120 int frag_count, no_of_desc;
2121 u32 num_txd = tx_ring->num_desc;
2123 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
2124 netif_stop_queue(netdev);
2125 return NETDEV_TX_BUSY;
2128 if (adapter->flags & QLCNIC_MACSPOOF) {
2129 phdr = (struct ethhdr *)skb->data;
2130 if (compare_ether_addr(phdr->h_source,
2135 frag_count = skb_shinfo(skb)->nr_frags + 1;
2137 /* 4 fragments per cmd des */
2138 no_of_desc = (frag_count + 3) >> 2;
2140 if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
2141 netif_stop_queue(netdev);
2143 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH)
2144 netif_start_queue(netdev);
2146 adapter->stats.xmit_off++;
2147 return NETDEV_TX_BUSY;
2151 producer = tx_ring->producer;
2152 pbuf = &tx_ring->cmd_buf_arr[producer];
2154 pdev = adapter->pdev;
2156 first_desc = hwdesc = &tx_ring->desc_head[producer];
2157 qlcnic_clear_cmddesc((u64 *)hwdesc);
2159 if (qlcnic_check_tx_tagging(adapter, skb, first_desc))
2162 if (qlcnic_map_tx_skb(pdev, skb, pbuf)) {
2163 adapter->stats.tx_dma_map_error++;
2168 pbuf->frag_count = frag_count;
2170 qlcnic_set_tx_frags_len(first_desc, frag_count, skb->len);
2171 qlcnic_set_tx_port(first_desc, adapter->portnum);
2173 for (i = 0; i < frag_count; i++) {
2177 if ((k == 0) && (i > 0)) {
2178 /* move to next desc.*/
2179 producer = get_next_index(producer, num_txd);
2180 hwdesc = &tx_ring->desc_head[producer];
2181 qlcnic_clear_cmddesc((u64 *)hwdesc);
2182 tx_ring->cmd_buf_arr[producer].skb = NULL;
2185 buffrag = &pbuf->frag_array[i];
2187 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2190 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2193 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2196 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2199 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2204 tx_ring->producer = get_next_index(producer, num_txd);
2206 qlcnic_tso_check(netdev, tx_ring, first_desc, skb);
2208 if (qlcnic_mac_learn)
2209 qlcnic_send_filter(adapter, tx_ring, first_desc, skb);
2211 qlcnic_update_cmd_producer(adapter, tx_ring);
2213 adapter->stats.txbytes += skb->len;
2214 adapter->stats.xmitcalled++;
2216 return NETDEV_TX_OK;
2219 adapter->stats.txdropped++;
2220 dev_kfree_skb_any(skb);
2221 return NETDEV_TX_OK;
2224 static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2226 struct net_device *netdev = adapter->netdev;
2227 u32 temp, temp_state, temp_val;
2230 temp = QLCRD32(adapter, CRB_TEMP_STATE);
2232 temp_state = qlcnic_get_temp_state(temp);
2233 temp_val = qlcnic_get_temp_val(temp);
2235 if (temp_state == QLCNIC_TEMP_PANIC) {
2236 dev_err(&netdev->dev,
2237 "Device temperature %d degrees C exceeds"
2238 " maximum allowed. Hardware has been shut down.\n",
2241 } else if (temp_state == QLCNIC_TEMP_WARN) {
2242 if (adapter->temp == QLCNIC_TEMP_NORMAL) {
2243 dev_err(&netdev->dev,
2244 "Device temperature %d degrees C "
2245 "exceeds operating range."
2246 " Immediate action needed.\n",
2250 if (adapter->temp == QLCNIC_TEMP_WARN) {
2251 dev_info(&netdev->dev,
2252 "Device temperature is now %d degrees C"
2253 " in normal range.\n", temp_val);
2256 adapter->temp = temp_state;
2260 void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup)
2262 struct net_device *netdev = adapter->netdev;
2264 if (adapter->ahw.linkup && !linkup) {
2265 netdev_info(netdev, "NIC Link is down\n");
2266 adapter->ahw.linkup = 0;
2267 if (netif_running(netdev)) {
2268 netif_carrier_off(netdev);
2269 netif_stop_queue(netdev);
2271 } else if (!adapter->ahw.linkup && linkup) {
2272 netdev_info(netdev, "NIC Link is up\n");
2273 adapter->ahw.linkup = 1;
2274 if (netif_running(netdev)) {
2275 netif_carrier_on(netdev);
2276 netif_wake_queue(netdev);
2281 static void qlcnic_tx_timeout(struct net_device *netdev)
2283 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2285 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2288 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2290 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
2291 adapter->need_fw_reset = 1;
2293 adapter->reset_context = 1;
2296 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
2298 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2299 struct net_device_stats *stats = &netdev->stats;
2301 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2302 stats->tx_packets = adapter->stats.xmitfinished;
2303 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
2304 stats->tx_bytes = adapter->stats.txbytes;
2305 stats->rx_dropped = adapter->stats.rxdropped;
2306 stats->tx_dropped = adapter->stats.txdropped;
2311 static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
2315 status = readl(adapter->isr_int_vec);
2317 if (!(status & adapter->int_vec_bit))
2320 /* check interrupt state machine, to be sure */
2321 status = readl(adapter->crb_int_state_reg);
2322 if (!ISR_LEGACY_INT_TRIGGERED(status))
2325 writel(0xffffffff, adapter->tgt_status_reg);
2326 /* read twice to ensure write is flushed */
2327 readl(adapter->isr_int_vec);
2328 readl(adapter->isr_int_vec);
2333 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
2335 struct qlcnic_host_sds_ring *sds_ring = data;
2336 struct qlcnic_adapter *adapter = sds_ring->adapter;
2338 if (adapter->flags & QLCNIC_MSIX_ENABLED)
2340 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
2341 writel(0xffffffff, adapter->tgt_status_reg);
2345 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2349 adapter->diag_cnt++;
2350 qlcnic_enable_int(sds_ring);
2354 static irqreturn_t qlcnic_intr(int irq, void *data)
2356 struct qlcnic_host_sds_ring *sds_ring = data;
2357 struct qlcnic_adapter *adapter = sds_ring->adapter;
2359 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
2362 napi_schedule(&sds_ring->napi);
2367 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
2369 struct qlcnic_host_sds_ring *sds_ring = data;
2370 struct qlcnic_adapter *adapter = sds_ring->adapter;
2372 /* clear interrupt */
2373 writel(0xffffffff, adapter->tgt_status_reg);
2375 napi_schedule(&sds_ring->napi);
2379 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
2381 struct qlcnic_host_sds_ring *sds_ring = data;
2383 napi_schedule(&sds_ring->napi);
2387 static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter)
2389 u32 sw_consumer, hw_consumer;
2391 struct qlcnic_cmd_buffer *buffer;
2392 struct pci_dev *pdev = adapter->pdev;
2393 struct net_device *netdev = adapter->netdev;
2394 struct qlcnic_skb_frag *frag;
2396 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
2398 if (!spin_trylock(&adapter->tx_clean_lock))
2401 sw_consumer = tx_ring->sw_consumer;
2402 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2404 while (sw_consumer != hw_consumer) {
2405 buffer = &tx_ring->cmd_buf_arr[sw_consumer];
2407 frag = &buffer->frag_array[0];
2408 pci_unmap_single(pdev, frag->dma, frag->length,
2411 for (i = 1; i < buffer->frag_count; i++) {
2413 pci_unmap_page(pdev, frag->dma, frag->length,
2418 adapter->stats.xmitfinished++;
2419 dev_kfree_skb_any(buffer->skb);
2423 sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc);
2424 if (++count >= MAX_STATUS_HANDLE)
2428 if (count && netif_running(netdev)) {
2429 tx_ring->sw_consumer = sw_consumer;
2433 if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) {
2434 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) {
2435 netif_wake_queue(netdev);
2436 adapter->stats.xmit_on++;
2439 adapter->tx_timeo_cnt = 0;
2442 * If everything is freed up to consumer then check if the ring is full
2443 * If the ring is full then check if more needs to be freed and
2444 * schedule the call back again.
2446 * This happens when there are 2 CPUs. One could be freeing and the
2447 * other filling it. If the ring is full when we get out of here and
2448 * the card has already interrupted the host then the host can miss the
2451 * There is still a possible race condition and the host could miss an
2452 * interrupt. The card has to take care of this.
2454 hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
2455 done = (sw_consumer == hw_consumer);
2456 spin_unlock(&adapter->tx_clean_lock);
2461 static int qlcnic_poll(struct napi_struct *napi, int budget)
2463 struct qlcnic_host_sds_ring *sds_ring =
2464 container_of(napi, struct qlcnic_host_sds_ring, napi);
2466 struct qlcnic_adapter *adapter = sds_ring->adapter;
2471 tx_complete = qlcnic_process_cmd_ring(adapter);
2473 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2475 if ((work_done < budget) && tx_complete) {
2476 napi_complete(&sds_ring->napi);
2477 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2478 qlcnic_enable_int(sds_ring);
2484 static int qlcnic_rx_poll(struct napi_struct *napi, int budget)
2486 struct qlcnic_host_sds_ring *sds_ring =
2487 container_of(napi, struct qlcnic_host_sds_ring, napi);
2489 struct qlcnic_adapter *adapter = sds_ring->adapter;
2492 work_done = qlcnic_process_rcv_ring(sds_ring, budget);
2494 if (work_done < budget) {
2495 napi_complete(&sds_ring->napi);
2496 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
2497 qlcnic_enable_int(sds_ring);
2503 #ifdef CONFIG_NET_POLL_CONTROLLER
2504 static void qlcnic_poll_controller(struct net_device *netdev)
2507 struct qlcnic_host_sds_ring *sds_ring;
2508 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2509 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
2511 disable_irq(adapter->irq);
2512 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2513 sds_ring = &recv_ctx->sds_rings[ring];
2514 qlcnic_intr(adapter->irq, sds_ring);
2516 enable_irq(adapter->irq);
2521 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
2525 val = adapter->portnum & 0xf;
2526 val |= encoding << 7;
2527 val |= (jiffies - adapter->dev_rst_time) << 8;
2529 QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
2530 adapter->dev_rst_time = jiffies;
2534 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
2538 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
2539 state != QLCNIC_DEV_NEED_QUISCENT);
2541 if (qlcnic_api_lock(adapter))
2544 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2546 if (state == QLCNIC_DEV_NEED_RESET)
2547 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
2548 else if (state == QLCNIC_DEV_NEED_QUISCENT)
2549 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
2551 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2553 qlcnic_api_unlock(adapter);
2559 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
2563 if (qlcnic_api_lock(adapter))
2566 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2567 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2568 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2570 qlcnic_api_unlock(adapter);
2576 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
2580 if (qlcnic_api_lock(adapter))
2583 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2584 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
2585 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2588 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
2589 dev_info(&adapter->pdev->dev,
2590 "Device state set to Failed. Please Reboot\n");
2591 } else if (!(val & 0x11111111))
2592 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD);
2594 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2595 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
2596 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2598 qlcnic_api_unlock(adapter);
2600 adapter->fw_fail_cnt = 0;
2601 clear_bit(__QLCNIC_START_FW, &adapter->state);
2602 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2605 /* Grab api lock, before checking state */
2607 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
2611 state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2612 act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2614 if (((state & 0x11111111) == (act & 0x11111111)) ||
2615 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
2621 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
2623 u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
2625 if (val != QLCNIC_DRV_IDC_VER) {
2626 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
2627 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
2634 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
2636 u32 val, prev_state;
2637 u8 dev_init_timeo = adapter->dev_init_timeo;
2638 u8 portnum = adapter->portnum;
2641 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
2644 if (qlcnic_api_lock(adapter))
2647 val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
2648 if (!(val & (1 << (portnum * 4)))) {
2649 QLC_DEV_SET_REF_CNT(val, portnum);
2650 QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
2653 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2654 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
2656 switch (prev_state) {
2657 case QLCNIC_DEV_COLD:
2658 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
2659 QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
2660 qlcnic_idc_debug_info(adapter, 0);
2661 qlcnic_api_unlock(adapter);
2664 case QLCNIC_DEV_READY:
2665 ret = qlcnic_check_idc_ver(adapter);
2666 qlcnic_api_unlock(adapter);
2669 case QLCNIC_DEV_NEED_RESET:
2670 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2671 QLC_DEV_SET_RST_RDY(val, portnum);
2672 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2675 case QLCNIC_DEV_NEED_QUISCENT:
2676 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2677 QLC_DEV_SET_QSCNT_RDY(val, portnum);
2678 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2681 case QLCNIC_DEV_FAILED:
2682 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
2683 qlcnic_api_unlock(adapter);
2686 case QLCNIC_DEV_INITIALIZING:
2687 case QLCNIC_DEV_QUISCENT:
2691 qlcnic_api_unlock(adapter);
2695 prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2697 if (prev_state == QLCNIC_DEV_QUISCENT)
2699 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
2701 if (!dev_init_timeo) {
2702 dev_err(&adapter->pdev->dev,
2703 "Waiting for device to initialize timeout\n");
2707 if (qlcnic_api_lock(adapter))
2710 val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
2711 QLC_DEV_CLR_RST_QSCNT(val, portnum);
2712 QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
2714 ret = qlcnic_check_idc_ver(adapter);
2715 qlcnic_api_unlock(adapter);
2721 qlcnic_fwinit_work(struct work_struct *work)
2723 struct qlcnic_adapter *adapter = container_of(work,
2724 struct qlcnic_adapter, fw_work.work);
2725 u32 dev_state = 0xf;
2727 if (qlcnic_api_lock(adapter))
2730 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2731 if (dev_state == QLCNIC_DEV_QUISCENT ||
2732 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2733 qlcnic_api_unlock(adapter);
2734 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
2739 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
2740 qlcnic_api_unlock(adapter);
2744 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
2745 dev_err(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
2746 adapter->reset_ack_timeo);
2747 goto skip_ack_check;
2750 if (!qlcnic_check_drv_state(adapter)) {
2752 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2754 if (dev_state == QLCNIC_DEV_NEED_RESET) {
2755 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2756 QLCNIC_DEV_INITIALIZING);
2757 set_bit(__QLCNIC_START_FW, &adapter->state);
2758 QLCDB(adapter, DRV, "Restarting fw\n");
2759 qlcnic_idc_debug_info(adapter, 0);
2762 qlcnic_api_unlock(adapter);
2764 if (!adapter->nic_ops->start_firmware(adapter)) {
2765 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2766 adapter->fw_wait_cnt = 0;
2772 qlcnic_api_unlock(adapter);
2775 dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2776 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
2778 switch (dev_state) {
2779 case QLCNIC_DEV_READY:
2780 if (!adapter->nic_ops->start_firmware(adapter)) {
2781 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
2782 adapter->fw_wait_cnt = 0;
2785 case QLCNIC_DEV_FAILED:
2788 qlcnic_schedule_work(adapter,
2789 qlcnic_fwinit_work, FW_POLL_DELAY);
2794 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
2795 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
2796 netif_device_attach(adapter->netdev);
2797 qlcnic_clr_all_drv_state(adapter, 0);
2801 qlcnic_detach_work(struct work_struct *work)
2803 struct qlcnic_adapter *adapter = container_of(work,
2804 struct qlcnic_adapter, fw_work.work);
2805 struct net_device *netdev = adapter->netdev;
2808 netif_device_detach(netdev);
2810 /* Dont grab rtnl lock during Quiscent mode */
2811 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
2812 if (netif_running(netdev))
2813 __qlcnic_down(adapter, netdev);
2815 qlcnic_down(adapter, netdev);
2817 status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
2819 if (status & QLCNIC_RCODE_FATAL_ERROR)
2822 if (adapter->temp == QLCNIC_TEMP_PANIC)
2825 if (qlcnic_set_drv_state(adapter, adapter->dev_state))
2828 adapter->fw_wait_cnt = 0;
2830 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
2835 dev_err(&adapter->pdev->dev, "detach failed; status=%d temp=%d\n",
2836 status, adapter->temp);
2837 netif_device_attach(netdev);
2838 qlcnic_clr_all_drv_state(adapter, 1);
2841 /*Transit NPAR state to NON Operational */
2843 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
2847 state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2848 if (state == QLCNIC_DEV_NPAR_NON_OPER)
2851 if (qlcnic_api_lock(adapter))
2853 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2854 qlcnic_api_unlock(adapter);
2857 /* Caller should held RESETTING bit.
2858 * This should be call in sync with qlcnic_request_quiscent_mode.
2860 void qlcnic_clear_quiscent_mode(struct qlcnic_adapter *adapter)
2862 qlcnic_clr_drv_state(adapter);
2863 qlcnic_api_lock(adapter);
2864 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
2865 qlcnic_api_unlock(adapter);
2868 /* Caller should held RESETTING bit.
2870 int qlcnic_request_quiscent_mode(struct qlcnic_adapter *adapter)
2872 u8 timeo = adapter->dev_init_timeo / 2;
2875 if (qlcnic_api_lock(adapter))
2878 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2879 if (state != QLCNIC_DEV_READY)
2882 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_QUISCENT);
2883 qlcnic_api_unlock(adapter);
2884 QLCDB(adapter, DRV, "NEED QUISCENT state set\n");
2885 qlcnic_idc_debug_info(adapter, 0);
2887 qlcnic_set_drv_state(adapter, QLCNIC_DEV_NEED_QUISCENT);
2891 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2892 if (state == QLCNIC_DEV_QUISCENT)
2894 if (!qlcnic_check_drv_state(adapter)) {
2895 if (qlcnic_api_lock(adapter))
2897 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
2898 QLCNIC_DEV_QUISCENT);
2899 qlcnic_api_unlock(adapter);
2900 QLCDB(adapter, DRV, "QUISCENT mode set\n");
2905 dev_err(&adapter->pdev->dev, "Failed to quiesce device, DRV_STATE=%08x"
2906 " DRV_ACTIVE=%08x\n", QLCRD32(adapter, QLCNIC_CRB_DRV_STATE),
2907 QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE));
2908 qlcnic_clear_quiscent_mode(adapter);
2912 /*Transit to RESET state from READY state only */
2914 qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
2918 adapter->need_fw_reset = 1;
2919 if (qlcnic_api_lock(adapter))
2922 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
2924 if (state == QLCNIC_DEV_READY) {
2925 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
2926 QLCDB(adapter, DRV, "NEED_RESET state set\n");
2927 qlcnic_idc_debug_info(adapter, 0);
2930 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
2931 qlcnic_api_unlock(adapter);
2934 /* Transit to NPAR READY state from NPAR NOT READY state */
2936 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
2938 if (qlcnic_api_lock(adapter))
2941 QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER);
2942 QLCDB(adapter, DRV, "NPAR operational state set\n");
2944 qlcnic_api_unlock(adapter);
2948 qlcnic_schedule_work(struct qlcnic_adapter *adapter,
2949 work_func_t func, int delay)
2951 if (test_bit(__QLCNIC_AER, &adapter->state))
2954 INIT_DELAYED_WORK(&adapter->fw_work, func);
2955 queue_delayed_work(qlcnic_wq, &adapter->fw_work,
2956 round_jiffies_relative(delay));
2960 qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
2962 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2965 cancel_delayed_work_sync(&adapter->fw_work);
2969 qlcnic_attach_work(struct work_struct *work)
2971 struct qlcnic_adapter *adapter = container_of(work,
2972 struct qlcnic_adapter, fw_work.work);
2973 struct net_device *netdev = adapter->netdev;
2976 if (adapter->op_mode != QLCNIC_MGMT_FUNC) {
2977 npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
2978 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
2979 qlcnic_clr_all_drv_state(adapter, 0);
2980 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
2981 qlcnic_schedule_work(adapter, qlcnic_attach_work,
2985 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
2989 if (netif_running(netdev)) {
2990 if (qlcnic_up(adapter, netdev))
2993 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2997 netif_device_attach(netdev);
2998 adapter->fw_fail_cnt = 0;
2999 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3001 if (!qlcnic_clr_drv_state(adapter))
3002 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3007 qlcnic_check_health(struct qlcnic_adapter *adapter)
3009 u32 state = 0, heartbeat;
3010 struct net_device *netdev = adapter->netdev;
3012 if (qlcnic_check_temp(adapter))
3015 if (adapter->need_fw_reset)
3016 qlcnic_dev_request_reset(adapter);
3018 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
3019 if (state == QLCNIC_DEV_NEED_RESET) {
3020 qlcnic_set_npar_non_operational(adapter);
3021 adapter->need_fw_reset = 1;
3022 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3025 heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3026 if (heartbeat != adapter->heartbeat) {
3027 adapter->heartbeat = heartbeat;
3028 adapter->fw_fail_cnt = 0;
3029 if (adapter->need_fw_reset)
3032 if (adapter->reset_context &&
3033 auto_fw_reset == AUTO_FW_RESET_ENABLED) {
3034 qlcnic_reset_hw_context(adapter);
3035 adapter->netdev->trans_start = jiffies;
3041 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3044 qlcnic_dev_request_reset(adapter);
3046 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED))
3047 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3049 dev_info(&netdev->dev, "firmware hang detected\n");
3052 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3053 QLCNIC_DEV_NEED_RESET;
3055 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
3056 !test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) {
3058 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3059 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3066 qlcnic_fw_poll_work(struct work_struct *work)
3068 struct qlcnic_adapter *adapter = container_of(work,
3069 struct qlcnic_adapter, fw_work.work);
3071 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3075 if (qlcnic_check_health(adapter))
3078 if (adapter->fhash.fnum)
3079 qlcnic_prune_lb_filters(adapter);
3082 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3085 static int qlcnic_is_first_func(struct pci_dev *pdev)
3087 struct pci_dev *oth_pdev;
3088 int val = pdev->devfn;
3091 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3092 (pdev->bus), pdev->bus->number,
3093 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3097 if (oth_pdev->current_state != PCI_D3cold) {
3098 pci_dev_put(oth_pdev);
3101 pci_dev_put(oth_pdev);
3106 static int qlcnic_attach_func(struct pci_dev *pdev)
3108 int err, first_func;
3109 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3110 struct net_device *netdev = adapter->netdev;
3112 pdev->error_state = pci_channel_io_normal;
3114 err = pci_enable_device(pdev);
3118 pci_set_power_state(pdev, PCI_D0);
3119 pci_set_master(pdev);
3120 pci_restore_state(pdev);
3122 first_func = qlcnic_is_first_func(pdev);
3124 if (qlcnic_api_lock(adapter))
3127 if (adapter->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3128 adapter->need_fw_reset = 1;
3129 set_bit(__QLCNIC_START_FW, &adapter->state);
3130 QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
3131 QLCDB(adapter, DRV, "Restarting fw\n");
3133 qlcnic_api_unlock(adapter);
3135 err = adapter->nic_ops->start_firmware(adapter);
3139 qlcnic_clr_drv_state(adapter);
3140 qlcnic_setup_intr(adapter);
3142 if (netif_running(netdev)) {
3143 err = qlcnic_attach(adapter);
3145 qlcnic_clr_all_drv_state(adapter, 1);
3146 clear_bit(__QLCNIC_AER, &adapter->state);
3147 netif_device_attach(netdev);
3151 err = qlcnic_up(adapter, netdev);
3155 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3158 netif_device_attach(netdev);
3162 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3163 pci_channel_state_t state)
3165 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3166 struct net_device *netdev = adapter->netdev;
3168 if (state == pci_channel_io_perm_failure)
3169 return PCI_ERS_RESULT_DISCONNECT;
3171 if (state == pci_channel_io_normal)
3172 return PCI_ERS_RESULT_RECOVERED;
3174 set_bit(__QLCNIC_AER, &adapter->state);
3175 netif_device_detach(netdev);
3177 cancel_delayed_work_sync(&adapter->fw_work);
3179 if (netif_running(netdev))
3180 qlcnic_down(adapter, netdev);
3182 qlcnic_detach(adapter);
3183 qlcnic_teardown_intr(adapter);
3185 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3187 pci_save_state(pdev);
3188 pci_disable_device(pdev);
3190 return PCI_ERS_RESULT_NEED_RESET;
3193 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3195 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3196 PCI_ERS_RESULT_RECOVERED;
3199 static void qlcnic_io_resume(struct pci_dev *pdev)
3201 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3203 pci_cleanup_aer_uncorrect_error_status(pdev);
3205 if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY &&
3206 test_and_clear_bit(__QLCNIC_AER, &adapter->state))
3207 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3212 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3216 err = qlcnic_can_start_firmware(adapter);
3220 err = qlcnic_check_npar_opertional(adapter);
3224 err = qlcnic_initialize_nic(adapter);
3228 qlcnic_check_options(adapter);
3230 err = qlcnic_set_eswitch_port_config(adapter);
3234 adapter->need_fw_reset = 0;
3240 qlcnicvf_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
3246 qlcnicvf_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
3252 qlcnic_store_bridged_mode(struct device *dev,
3253 struct device_attribute *attr, const char *buf, size_t len)
3255 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3259 if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG))
3262 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3265 if (strict_strtoul(buf, 2, &new))
3268 if (!adapter->nic_ops->config_bridged_mode(adapter, !!new))
3276 qlcnic_show_bridged_mode(struct device *dev,
3277 struct device_attribute *attr, char *buf)
3279 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3280 int bridged_mode = 0;
3282 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
3283 bridged_mode = !!(adapter->flags & QLCNIC_BRIDGE_ENABLED);
3285 return sprintf(buf, "%d\n", bridged_mode);
3288 static struct device_attribute dev_attr_bridged_mode = {
3289 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
3290 .show = qlcnic_show_bridged_mode,
3291 .store = qlcnic_store_bridged_mode,
3295 qlcnic_store_diag_mode(struct device *dev,
3296 struct device_attribute *attr, const char *buf, size_t len)
3298 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3301 if (strict_strtoul(buf, 2, &new))
3304 if (!!new != !!(adapter->flags & QLCNIC_DIAG_ENABLED))
3305 adapter->flags ^= QLCNIC_DIAG_ENABLED;
3311 qlcnic_show_diag_mode(struct device *dev,
3312 struct device_attribute *attr, char *buf)
3314 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3316 return sprintf(buf, "%d\n",
3317 !!(adapter->flags & QLCNIC_DIAG_ENABLED));
3320 static struct device_attribute dev_attr_diag_mode = {
3321 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
3322 .show = qlcnic_show_diag_mode,
3323 .store = qlcnic_store_diag_mode,
3327 qlcnic_sysfs_validate_crb(struct qlcnic_adapter *adapter,
3328 loff_t offset, size_t size)
3330 size_t crb_size = 4;
3332 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3335 if (offset < QLCNIC_PCI_CRBSPACE) {
3336 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM,
3337 QLCNIC_PCI_CAMQM_END))
3343 if ((size != crb_size) || (offset & (crb_size-1)))
3350 qlcnic_sysfs_read_crb(struct file *filp, struct kobject *kobj,
3351 struct bin_attribute *attr,
3352 char *buf, loff_t offset, size_t size)
3354 struct device *dev = container_of(kobj, struct device, kobj);
3355 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3360 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3364 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3365 qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata);
3366 memcpy(buf, &qmdata, size);
3368 data = QLCRD32(adapter, offset);
3369 memcpy(buf, &data, size);
3375 qlcnic_sysfs_write_crb(struct file *filp, struct kobject *kobj,
3376 struct bin_attribute *attr,
3377 char *buf, loff_t offset, size_t size)
3379 struct device *dev = container_of(kobj, struct device, kobj);
3380 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3385 ret = qlcnic_sysfs_validate_crb(adapter, offset, size);
3389 if (ADDR_IN_RANGE(offset, QLCNIC_PCI_CAMQM, QLCNIC_PCI_CAMQM_END)) {
3390 memcpy(&qmdata, buf, size);
3391 qlcnic_pci_camqm_write_2M(adapter, offset, qmdata);
3393 memcpy(&data, buf, size);
3394 QLCWR32(adapter, offset, data);
3400 qlcnic_sysfs_validate_mem(struct qlcnic_adapter *adapter,
3401 loff_t offset, size_t size)
3403 if (!(adapter->flags & QLCNIC_DIAG_ENABLED))
3406 if ((size != 8) || (offset & 0x7))
3413 qlcnic_sysfs_read_mem(struct file *filp, struct kobject *kobj,
3414 struct bin_attribute *attr,
3415 char *buf, loff_t offset, size_t size)
3417 struct device *dev = container_of(kobj, struct device, kobj);
3418 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3422 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3426 if (qlcnic_pci_mem_read_2M(adapter, offset, &data))
3429 memcpy(buf, &data, size);
3435 qlcnic_sysfs_write_mem(struct file *filp, struct kobject *kobj,
3436 struct bin_attribute *attr,
3437 char *buf, loff_t offset, size_t size)
3439 struct device *dev = container_of(kobj, struct device, kobj);
3440 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3444 ret = qlcnic_sysfs_validate_mem(adapter, offset, size);
3448 memcpy(&data, buf, size);
3450 if (qlcnic_pci_mem_write_2M(adapter, offset, data))
3457 static struct bin_attribute bin_attr_crb = {
3458 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
3460 .read = qlcnic_sysfs_read_crb,
3461 .write = qlcnic_sysfs_write_crb,
3464 static struct bin_attribute bin_attr_mem = {
3465 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
3467 .read = qlcnic_sysfs_read_mem,
3468 .write = qlcnic_sysfs_write_mem,
3472 validate_pm_config(struct qlcnic_adapter *adapter,
3473 struct qlcnic_pm_func_cfg *pm_cfg, int count)
3476 u8 src_pci_func, s_esw_id, d_esw_id;
3480 for (i = 0; i < count; i++) {
3481 src_pci_func = pm_cfg[i].pci_func;
3482 dest_pci_func = pm_cfg[i].dest_npar;
3483 if (src_pci_func >= QLCNIC_MAX_PCI_FUNC
3484 || dest_pci_func >= QLCNIC_MAX_PCI_FUNC)
3485 return QL_STATUS_INVALID_PARAM;
3487 if (adapter->npars[src_pci_func].type != QLCNIC_TYPE_NIC)
3488 return QL_STATUS_INVALID_PARAM;
3490 if (adapter->npars[dest_pci_func].type != QLCNIC_TYPE_NIC)
3491 return QL_STATUS_INVALID_PARAM;
3493 s_esw_id = adapter->npars[src_pci_func].phy_port;
3494 d_esw_id = adapter->npars[dest_pci_func].phy_port;
3496 if (s_esw_id != d_esw_id)
3497 return QL_STATUS_INVALID_PARAM;
3505 qlcnic_sysfs_write_pm_config(struct file *filp, struct kobject *kobj,
3506 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3508 struct device *dev = container_of(kobj, struct device, kobj);
3509 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3510 struct qlcnic_pm_func_cfg *pm_cfg;
3511 u32 id, action, pci_func;
3512 int count, rem, i, ret;
3514 count = size / sizeof(struct qlcnic_pm_func_cfg);
3515 rem = size % sizeof(struct qlcnic_pm_func_cfg);
3517 return QL_STATUS_INVALID_PARAM;
3519 pm_cfg = (struct qlcnic_pm_func_cfg *) buf;
3521 ret = validate_pm_config(adapter, pm_cfg, count);
3524 for (i = 0; i < count; i++) {
3525 pci_func = pm_cfg[i].pci_func;
3526 action = !!pm_cfg[i].action;
3527 id = adapter->npars[pci_func].phy_port;
3528 ret = qlcnic_config_port_mirroring(adapter, id,
3534 for (i = 0; i < count; i++) {
3535 pci_func = pm_cfg[i].pci_func;
3536 id = adapter->npars[pci_func].phy_port;
3537 adapter->npars[pci_func].enable_pm = !!pm_cfg[i].action;
3538 adapter->npars[pci_func].dest_npar = id;
3544 qlcnic_sysfs_read_pm_config(struct file *filp, struct kobject *kobj,
3545 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3547 struct device *dev = container_of(kobj, struct device, kobj);
3548 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3549 struct qlcnic_pm_func_cfg pm_cfg[QLCNIC_MAX_PCI_FUNC];
3552 if (size != sizeof(pm_cfg))
3553 return QL_STATUS_INVALID_PARAM;
3555 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3556 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3558 pm_cfg[i].action = adapter->npars[i].enable_pm;
3559 pm_cfg[i].dest_npar = 0;
3560 pm_cfg[i].pci_func = i;
3562 memcpy(buf, &pm_cfg, size);
3568 validate_esw_config(struct qlcnic_adapter *adapter,
3569 struct qlcnic_esw_func_cfg *esw_cfg, int count)
3575 op_mode = readl(adapter->ahw.pci_base0 + QLCNIC_DRV_OP_MODE);
3577 for (i = 0; i < count; i++) {
3578 pci_func = esw_cfg[i].pci_func;
3579 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3580 return QL_STATUS_INVALID_PARAM;
3582 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
3583 if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3584 return QL_STATUS_INVALID_PARAM;
3586 switch (esw_cfg[i].op_mode) {
3587 case QLCNIC_PORT_DEFAULTS:
3588 if (QLC_DEV_GET_DRV(op_mode, pci_func) !=
3589 QLCNIC_NON_PRIV_FUNC) {
3590 esw_cfg[i].mac_anti_spoof = 0;
3591 esw_cfg[i].mac_override = 1;
3592 esw_cfg[i].promisc_mode = 1;
3595 case QLCNIC_ADD_VLAN:
3596 if (!IS_VALID_VLAN(esw_cfg[i].vlan_id))
3597 return QL_STATUS_INVALID_PARAM;
3598 if (!esw_cfg[i].op_type)
3599 return QL_STATUS_INVALID_PARAM;
3601 case QLCNIC_DEL_VLAN:
3602 if (!esw_cfg[i].op_type)
3603 return QL_STATUS_INVALID_PARAM;
3606 return QL_STATUS_INVALID_PARAM;
3613 qlcnic_sysfs_write_esw_config(struct file *file, struct kobject *kobj,
3614 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3616 struct device *dev = container_of(kobj, struct device, kobj);
3617 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3618 struct qlcnic_esw_func_cfg *esw_cfg;
3619 struct qlcnic_npar_info *npar;
3620 int count, rem, i, ret;
3621 u8 pci_func, op_mode = 0;
3623 count = size / sizeof(struct qlcnic_esw_func_cfg);
3624 rem = size % sizeof(struct qlcnic_esw_func_cfg);
3626 return QL_STATUS_INVALID_PARAM;
3628 esw_cfg = (struct qlcnic_esw_func_cfg *) buf;
3629 ret = validate_esw_config(adapter, esw_cfg, count);
3633 for (i = 0; i < count; i++) {
3634 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
3635 if (qlcnic_config_switch_port(adapter, &esw_cfg[i]))
3636 return QL_STATUS_INVALID_PARAM;
3638 if (adapter->ahw.pci_func != esw_cfg[i].pci_func)
3641 op_mode = esw_cfg[i].op_mode;
3642 qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]);
3643 esw_cfg[i].op_mode = op_mode;
3644 esw_cfg[i].pci_func = adapter->ahw.pci_func;
3646 switch (esw_cfg[i].op_mode) {
3647 case QLCNIC_PORT_DEFAULTS:
3648 qlcnic_set_eswitch_port_features(adapter, &esw_cfg[i]);
3650 case QLCNIC_ADD_VLAN:
3651 qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
3653 case QLCNIC_DEL_VLAN:
3654 esw_cfg[i].vlan_id = 0;
3655 qlcnic_set_vlan_config(adapter, &esw_cfg[i]);
3660 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
3663 for (i = 0; i < count; i++) {
3664 pci_func = esw_cfg[i].pci_func;
3665 npar = &adapter->npars[pci_func];
3666 switch (esw_cfg[i].op_mode) {
3667 case QLCNIC_PORT_DEFAULTS:
3668 npar->promisc_mode = esw_cfg[i].promisc_mode;
3669 npar->mac_override = esw_cfg[i].mac_override;
3670 npar->offload_flags = esw_cfg[i].offload_flags;
3671 npar->mac_anti_spoof = esw_cfg[i].mac_anti_spoof;
3672 npar->discard_tagged = esw_cfg[i].discard_tagged;
3674 case QLCNIC_ADD_VLAN:
3675 npar->pvid = esw_cfg[i].vlan_id;
3677 case QLCNIC_DEL_VLAN:
3687 qlcnic_sysfs_read_esw_config(struct file *file, struct kobject *kobj,
3688 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3690 struct device *dev = container_of(kobj, struct device, kobj);
3691 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3692 struct qlcnic_esw_func_cfg esw_cfg[QLCNIC_MAX_PCI_FUNC];
3695 if (size != sizeof(esw_cfg))
3696 return QL_STATUS_INVALID_PARAM;
3698 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
3699 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3701 esw_cfg[i].pci_func = i;
3702 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[i]))
3703 return QL_STATUS_INVALID_PARAM;
3705 memcpy(buf, &esw_cfg, size);
3711 validate_npar_config(struct qlcnic_adapter *adapter,
3712 struct qlcnic_npar_func_cfg *np_cfg, int count)
3716 for (i = 0; i < count; i++) {
3717 pci_func = np_cfg[i].pci_func;
3718 if (pci_func >= QLCNIC_MAX_PCI_FUNC)
3719 return QL_STATUS_INVALID_PARAM;
3721 if (adapter->npars[pci_func].type != QLCNIC_TYPE_NIC)
3722 return QL_STATUS_INVALID_PARAM;
3724 if (!IS_VALID_BW(np_cfg[i].min_bw)
3725 || !IS_VALID_BW(np_cfg[i].max_bw)
3726 || !IS_VALID_RX_QUEUES(np_cfg[i].max_rx_queues)
3727 || !IS_VALID_TX_QUEUES(np_cfg[i].max_tx_queues))
3728 return QL_STATUS_INVALID_PARAM;
3734 qlcnic_sysfs_write_npar_config(struct file *file, struct kobject *kobj,
3735 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3737 struct device *dev = container_of(kobj, struct device, kobj);
3738 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3739 struct qlcnic_info nic_info;
3740 struct qlcnic_npar_func_cfg *np_cfg;
3741 int i, count, rem, ret;
3744 count = size / sizeof(struct qlcnic_npar_func_cfg);
3745 rem = size % sizeof(struct qlcnic_npar_func_cfg);
3747 return QL_STATUS_INVALID_PARAM;
3749 np_cfg = (struct qlcnic_npar_func_cfg *) buf;
3750 ret = validate_npar_config(adapter, np_cfg, count);
3754 for (i = 0; i < count ; i++) {
3755 pci_func = np_cfg[i].pci_func;
3756 ret = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
3759 nic_info.pci_func = pci_func;
3760 nic_info.min_tx_bw = np_cfg[i].min_bw;
3761 nic_info.max_tx_bw = np_cfg[i].max_bw;
3762 ret = qlcnic_set_nic_info(adapter, &nic_info);
3765 adapter->npars[i].min_bw = nic_info.min_tx_bw;
3766 adapter->npars[i].max_bw = nic_info.max_tx_bw;
3773 qlcnic_sysfs_read_npar_config(struct file *file, struct kobject *kobj,
3774 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3776 struct device *dev = container_of(kobj, struct device, kobj);
3777 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3778 struct qlcnic_info nic_info;
3779 struct qlcnic_npar_func_cfg np_cfg[QLCNIC_MAX_PCI_FUNC];
3782 if (size != sizeof(np_cfg))
3783 return QL_STATUS_INVALID_PARAM;
3785 for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
3786 if (adapter->npars[i].type != QLCNIC_TYPE_NIC)
3788 ret = qlcnic_get_nic_info(adapter, &nic_info, i);
3792 np_cfg[i].pci_func = i;
3793 np_cfg[i].op_mode = (u8)nic_info.op_mode;
3794 np_cfg[i].port_num = nic_info.phys_port;
3795 np_cfg[i].fw_capab = nic_info.capabilities;
3796 np_cfg[i].min_bw = nic_info.min_tx_bw ;
3797 np_cfg[i].max_bw = nic_info.max_tx_bw;
3798 np_cfg[i].max_tx_queues = nic_info.max_tx_ques;
3799 np_cfg[i].max_rx_queues = nic_info.max_rx_ques;
3801 memcpy(buf, &np_cfg, size);
3806 qlcnic_sysfs_get_port_stats(struct file *file, struct kobject *kobj,
3807 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3809 struct device *dev = container_of(kobj, struct device, kobj);
3810 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3811 struct qlcnic_esw_statistics port_stats;
3814 if (size != sizeof(struct qlcnic_esw_statistics))
3815 return QL_STATUS_INVALID_PARAM;
3817 if (offset >= QLCNIC_MAX_PCI_FUNC)
3818 return QL_STATUS_INVALID_PARAM;
3820 memset(&port_stats, 0, size);
3821 ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
3826 ret = qlcnic_get_port_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
3831 memcpy(buf, &port_stats, size);
3836 qlcnic_sysfs_get_esw_stats(struct file *file, struct kobject *kobj,
3837 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3839 struct device *dev = container_of(kobj, struct device, kobj);
3840 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3841 struct qlcnic_esw_statistics esw_stats;
3844 if (size != sizeof(struct qlcnic_esw_statistics))
3845 return QL_STATUS_INVALID_PARAM;
3847 if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
3848 return QL_STATUS_INVALID_PARAM;
3850 memset(&esw_stats, 0, size);
3851 ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_RX_COUNTER,
3856 ret = qlcnic_get_eswitch_stats(adapter, offset, QLCNIC_QUERY_TX_COUNTER,
3861 memcpy(buf, &esw_stats, size);
3866 qlcnic_sysfs_clear_esw_stats(struct file *file, struct kobject *kobj,
3867 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3869 struct device *dev = container_of(kobj, struct device, kobj);
3870 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3873 if (offset >= QLCNIC_NIU_MAX_XG_PORTS)
3874 return QL_STATUS_INVALID_PARAM;
3876 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
3877 QLCNIC_QUERY_RX_COUNTER);
3881 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_ESWITCH, offset,
3882 QLCNIC_QUERY_TX_COUNTER);
3890 qlcnic_sysfs_clear_port_stats(struct file *file, struct kobject *kobj,
3891 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3894 struct device *dev = container_of(kobj, struct device, kobj);
3895 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3898 if (offset >= QLCNIC_MAX_PCI_FUNC)
3899 return QL_STATUS_INVALID_PARAM;
3901 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
3902 QLCNIC_QUERY_RX_COUNTER);
3906 ret = qlcnic_clear_esw_stats(adapter, QLCNIC_STATS_PORT, offset,
3907 QLCNIC_QUERY_TX_COUNTER);
3915 qlcnic_sysfs_read_pci_config(struct file *file, struct kobject *kobj,
3916 struct bin_attribute *attr, char *buf, loff_t offset, size_t size)
3918 struct device *dev = container_of(kobj, struct device, kobj);
3919 struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
3920 struct qlcnic_pci_func_cfg pci_cfg[QLCNIC_MAX_PCI_FUNC];
3921 struct qlcnic_pci_info *pci_info;
3924 if (size != sizeof(pci_cfg))
3925 return QL_STATUS_INVALID_PARAM;
3927 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
3931 ret = qlcnic_get_pci_info(adapter, pci_info);
3937 for (i = 0; i < QLCNIC_MAX_PCI_FUNC ; i++) {
3938 pci_cfg[i].pci_func = pci_info[i].id;
3939 pci_cfg[i].func_type = pci_info[i].type;
3940 pci_cfg[i].port_num = pci_info[i].default_port;
3941 pci_cfg[i].min_bw = pci_info[i].tx_min_bw;
3942 pci_cfg[i].max_bw = pci_info[i].tx_max_bw;
3943 memcpy(&pci_cfg[i].def_mac_addr, &pci_info[i].mac, ETH_ALEN);
3945 memcpy(buf, &pci_cfg, size);
3949 static struct bin_attribute bin_attr_npar_config = {
3950 .attr = {.name = "npar_config", .mode = (S_IRUGO | S_IWUSR)},
3952 .read = qlcnic_sysfs_read_npar_config,
3953 .write = qlcnic_sysfs_write_npar_config,
3956 static struct bin_attribute bin_attr_pci_config = {
3957 .attr = {.name = "pci_config", .mode = (S_IRUGO | S_IWUSR)},
3959 .read = qlcnic_sysfs_read_pci_config,
3963 static struct bin_attribute bin_attr_port_stats = {
3964 .attr = {.name = "port_stats", .mode = (S_IRUGO | S_IWUSR)},
3966 .read = qlcnic_sysfs_get_port_stats,
3967 .write = qlcnic_sysfs_clear_port_stats,
3970 static struct bin_attribute bin_attr_esw_stats = {
3971 .attr = {.name = "esw_stats", .mode = (S_IRUGO | S_IWUSR)},
3973 .read = qlcnic_sysfs_get_esw_stats,
3974 .write = qlcnic_sysfs_clear_esw_stats,
3977 static struct bin_attribute bin_attr_esw_config = {
3978 .attr = {.name = "esw_config", .mode = (S_IRUGO | S_IWUSR)},
3980 .read = qlcnic_sysfs_read_esw_config,
3981 .write = qlcnic_sysfs_write_esw_config,
3984 static struct bin_attribute bin_attr_pm_config = {
3985 .attr = {.name = "pm_config", .mode = (S_IRUGO | S_IWUSR)},
3987 .read = qlcnic_sysfs_read_pm_config,
3988 .write = qlcnic_sysfs_write_pm_config,
3992 qlcnic_create_sysfs_entries(struct qlcnic_adapter *adapter)
3994 struct device *dev = &adapter->pdev->dev;
3996 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
3997 if (device_create_file(dev, &dev_attr_bridged_mode))
3999 "failed to create bridged_mode sysfs entry\n");
4003 qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter)
4005 struct device *dev = &adapter->pdev->dev;
4007 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_BDG)
4008 device_remove_file(dev, &dev_attr_bridged_mode);
4012 qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
4014 struct device *dev = &adapter->pdev->dev;
4016 if (device_create_bin_file(dev, &bin_attr_port_stats))
4017 dev_info(dev, "failed to create port stats sysfs entry");
4019 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
4021 if (device_create_file(dev, &dev_attr_diag_mode))
4022 dev_info(dev, "failed to create diag_mode sysfs entry\n");
4023 if (device_create_bin_file(dev, &bin_attr_crb))
4024 dev_info(dev, "failed to create crb sysfs entry\n");
4025 if (device_create_bin_file(dev, &bin_attr_mem))
4026 dev_info(dev, "failed to create mem sysfs entry\n");
4027 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
4029 if (device_create_bin_file(dev, &bin_attr_esw_config))
4030 dev_info(dev, "failed to create esw config sysfs entry");
4031 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
4033 if (device_create_bin_file(dev, &bin_attr_pci_config))
4034 dev_info(dev, "failed to create pci config sysfs entry");
4035 if (device_create_bin_file(dev, &bin_attr_npar_config))
4036 dev_info(dev, "failed to create npar config sysfs entry");
4037 if (device_create_bin_file(dev, &bin_attr_pm_config))
4038 dev_info(dev, "failed to create pm config sysfs entry");
4039 if (device_create_bin_file(dev, &bin_attr_esw_stats))
4040 dev_info(dev, "failed to create eswitch stats sysfs entry");
4044 qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
4046 struct device *dev = &adapter->pdev->dev;
4048 device_remove_bin_file(dev, &bin_attr_port_stats);
4050 if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
4052 device_remove_file(dev, &dev_attr_diag_mode);
4053 device_remove_bin_file(dev, &bin_attr_crb);
4054 device_remove_bin_file(dev, &bin_attr_mem);
4055 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
4057 device_remove_bin_file(dev, &bin_attr_esw_config);
4058 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
4060 device_remove_bin_file(dev, &bin_attr_pci_config);
4061 device_remove_bin_file(dev, &bin_attr_npar_config);
4062 device_remove_bin_file(dev, &bin_attr_pm_config);
4063 device_remove_bin_file(dev, &bin_attr_esw_stats);
4068 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4071 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4072 struct net_device *dev, unsigned long event)
4074 struct in_device *indev;
4076 indev = in_dev_get(dev);
4083 qlcnic_config_ipaddr(adapter,
4084 ifa->ifa_address, QLCNIC_IP_UP);
4087 qlcnic_config_ipaddr(adapter,
4088 ifa->ifa_address, QLCNIC_IP_DOWN);
4093 } endfor_ifa(indev);
4099 qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4101 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4102 struct net_device *dev;
4105 qlcnic_config_indev_addr(adapter, netdev, event);
4107 if (!adapter->vlgrp)
4110 for (vid = 0; vid < VLAN_N_VID; vid++) {
4111 dev = vlan_group_get_device(adapter->vlgrp, vid);
4115 qlcnic_config_indev_addr(adapter, dev, event);
4119 static int qlcnic_netdev_event(struct notifier_block *this,
4120 unsigned long event, void *ptr)
4122 struct qlcnic_adapter *adapter;
4123 struct net_device *dev = (struct net_device *)ptr;
4129 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4130 dev = vlan_dev_real_dev(dev);
4134 if (!is_qlcnic_netdev(dev))
4137 adapter = netdev_priv(dev);
4142 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4145 qlcnic_config_indev_addr(adapter, dev, event);
4151 qlcnic_inetaddr_event(struct notifier_block *this,
4152 unsigned long event, void *ptr)
4154 struct qlcnic_adapter *adapter;
4155 struct net_device *dev;
4157 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4159 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4165 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4166 dev = vlan_dev_real_dev(dev);
4170 if (!is_qlcnic_netdev(dev))
4173 adapter = netdev_priv(dev);
4178 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4183 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4186 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4196 static struct notifier_block qlcnic_netdev_cb = {
4197 .notifier_call = qlcnic_netdev_event,
4200 static struct notifier_block qlcnic_inetaddr_cb = {
4201 .notifier_call = qlcnic_inetaddr_event,
4205 qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4208 static struct pci_error_handlers qlcnic_err_handler = {
4209 .error_detected = qlcnic_io_error_detected,
4210 .slot_reset = qlcnic_io_slot_reset,
4211 .resume = qlcnic_io_resume,
4214 static struct pci_driver qlcnic_driver = {
4215 .name = qlcnic_driver_name,
4216 .id_table = qlcnic_pci_tbl,
4217 .probe = qlcnic_probe,
4218 .remove = __devexit_p(qlcnic_remove),
4220 .suspend = qlcnic_suspend,
4221 .resume = qlcnic_resume,
4223 .shutdown = qlcnic_shutdown,
4224 .err_handler = &qlcnic_err_handler
4228 static int __init qlcnic_init_module(void)
4232 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4234 qlcnic_wq = create_singlethread_workqueue("qlcnic");
4235 if (qlcnic_wq == NULL) {
4236 printk(KERN_ERR "qlcnic: cannot create workqueue\n");
4241 register_netdevice_notifier(&qlcnic_netdev_cb);
4242 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4245 ret = pci_register_driver(&qlcnic_driver);
4248 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4249 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4251 destroy_workqueue(qlcnic_wq);
4257 module_init(qlcnic_init_module);
4259 static void __exit qlcnic_exit_module(void)
4262 pci_unregister_driver(&qlcnic_driver);
4265 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4266 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4268 destroy_workqueue(qlcnic_wq);
4271 module_exit(qlcnic_exit_module);