1 // SPDX-License-Identifier: GPL-2.0-only
3 * QLogic qlcnic NIC Driver
4 * Copyright (c) 2009-2013 QLogic Corporation
7 #include <linux/vmalloc.h>
8 #include <linux/interrupt.h>
9 #include <linux/swab.h>
10 #include <linux/dma-mapping.h>
11 #include <linux/if_vlan.h>
13 #include <linux/ipv6.h>
14 #include <linux/inetdevice.h>
15 #include <linux/aer.h>
16 #include <linux/log2.h>
17 #include <linux/pci.h>
18 #include <net/vxlan.h>
21 #include "qlcnic_sriov.h"
22 #include "qlcnic_hw.h"
24 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
25 MODULE_LICENSE("GPL");
26 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
27 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
29 char qlcnic_driver_name[] = "qlcnic";
30 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
31 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
33 static int qlcnic_mac_learn;
34 module_param(qlcnic_mac_learn, int, 0444);
35 MODULE_PARM_DESC(qlcnic_mac_learn,
36 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
38 int qlcnic_use_msi = 1;
39 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
40 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
42 int qlcnic_use_msi_x = 1;
43 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
44 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
46 int qlcnic_auto_fw_reset = 1;
47 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
48 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
50 int qlcnic_load_fw_file;
51 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)");
52 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
54 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
55 static void qlcnic_remove(struct pci_dev *pdev);
56 static int qlcnic_open(struct net_device *netdev);
57 static int qlcnic_close(struct net_device *netdev);
58 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue);
59 static void qlcnic_attach_work(struct work_struct *work);
60 static void qlcnic_fwinit_work(struct work_struct *work);
62 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
63 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
65 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
66 static irqreturn_t qlcnic_intr(int irq, void *data);
67 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
68 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
69 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
71 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
72 static int qlcnic_start_firmware(struct qlcnic_adapter *);
74 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
75 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
76 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
77 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
78 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
80 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
81 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
82 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
83 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
84 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
85 static void qlcnic_82xx_io_resume(struct pci_dev *);
86 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
87 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
89 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
91 struct qlcnic_hardware_context *ahw = adapter->ahw;
93 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
94 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
99 /* PCI Device ID Table */
100 #define ENTRY(device) \
101 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
102 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
104 static const struct pci_device_id qlcnic_pci_tbl[] = {
105 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
106 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
107 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
108 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830),
109 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30),
110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
111 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
115 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
118 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
120 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
123 static const u32 msi_tgt_status[8] = {
124 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
125 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
126 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
127 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
130 static const u32 qlcnic_reg_tbl[] = {
131 0x1B20A8, /* PEG_HALT_STAT1 */
132 0x1B20AC, /* PEG_HALT_STAT2 */
133 0x1B20B0, /* FW_HEARTBEAT */
134 0x1B2100, /* LOCK ID */
135 0x1B2128, /* FW_CAPABILITIES */
136 0x1B2138, /* drv active */
137 0x1B2140, /* dev state */
138 0x1B2144, /* drv state */
139 0x1B2148, /* drv scratch */
140 0x1B214C, /* dev partition info */
141 0x1B2174, /* drv idc ver */
142 0x1B2150, /* fw version major */
143 0x1B2154, /* fw version minor */
144 0x1B2158, /* fw version sub */
145 0x1B219C, /* npar state */
146 0x1B21FC, /* FW_IMG_VALID */
147 0x1B2250, /* CMD_PEG_STATE */
148 0x1B233C, /* RCV_PEG_STATE */
149 0x1B23B4, /* ASIC TEMP */
150 0x1B216C, /* FW api */
151 0x1B2170, /* drv op mode */
152 0x13C010, /* flash lock */
153 0x13C014, /* flash unlock */
156 static const struct qlcnic_board_info qlcnic_boards[] = {
157 { PCI_VENDOR_ID_QLOGIC,
158 PCI_DEVICE_ID_QLOGIC_QLE844X,
161 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
162 { PCI_VENDOR_ID_QLOGIC,
163 PCI_DEVICE_ID_QLOGIC_QLE834X,
164 PCI_VENDOR_ID_QLOGIC,
166 "8300 Series Dual Port 10GbE Converged Network Adapter "
167 "(TCP/IP Networking)" },
168 { PCI_VENDOR_ID_QLOGIC,
169 PCI_DEVICE_ID_QLOGIC_QLE834X,
170 PCI_VENDOR_ID_QLOGIC,
172 "8300 Series Single Port 10GbE Converged Network Adapter "
173 "(TCP/IP Networking)" },
174 { PCI_VENDOR_ID_QLOGIC,
175 PCI_DEVICE_ID_QLOGIC_QLE834X,
176 PCI_VENDOR_ID_QLOGIC,
178 "8300 Series Dual Port 10GbE Converged Network Adapter "
179 "(TCP/IP Networking)" },
180 { PCI_VENDOR_ID_QLOGIC,
181 PCI_DEVICE_ID_QLOGIC_QLE834X,
182 PCI_VENDOR_ID_QLOGIC,
184 "8300 Series Dual Port 10GbE Converged Network Adapter "
185 "(TCP/IP Networking)" },
186 { PCI_VENDOR_ID_QLOGIC,
187 PCI_DEVICE_ID_QLOGIC_QLE834X,
188 PCI_VENDOR_ID_QLOGIC,
190 "8300 Series Dual Port 10GbE Converged Network Adapter "
191 "(TCP/IP Networking)" },
192 { PCI_VENDOR_ID_QLOGIC,
193 PCI_DEVICE_ID_QLOGIC_QLE834X,
194 PCI_VENDOR_ID_QLOGIC,
196 "8300 Series Dual Port 10GbE Converged Network Adapter "
197 "(TCP/IP Networking)" },
198 { PCI_VENDOR_ID_QLOGIC,
199 PCI_DEVICE_ID_QLOGIC_QLE834X,
200 PCI_VENDOR_ID_QLOGIC,
202 "8300 Series Dual Port 10GbE Converged Network Adapter "
203 "(TCP/IP Networking)" },
204 { PCI_VENDOR_ID_QLOGIC,
205 PCI_DEVICE_ID_QLOGIC_QLE834X,
206 PCI_VENDOR_ID_QLOGIC,
208 "8300 Series Single Port 10GbE Converged Network Adapter "
209 "(TCP/IP Networking)" },
210 { PCI_VENDOR_ID_QLOGIC,
211 PCI_DEVICE_ID_QLOGIC_QLE834X,
212 PCI_VENDOR_ID_QLOGIC,
214 "8300 Series Dual Port 10GbE Converged Network Adapter "
215 "(TCP/IP Networking)" },
216 { PCI_VENDOR_ID_QLOGIC,
217 PCI_DEVICE_ID_QLOGIC_QLE834X,
218 PCI_VENDOR_ID_QLOGIC,
220 "8300 Series Dual Port 10GbE Converged Network Adapter "
221 "(TCP/IP Networking)" },
222 { PCI_VENDOR_ID_QLOGIC,
223 PCI_DEVICE_ID_QLOGIC_QLE834X,
224 0x0, 0x0, "8300 Series 1/10GbE Controller" },
225 { PCI_VENDOR_ID_QLOGIC,
226 PCI_DEVICE_ID_QLOGIC_QLE8830,
229 "8830 Series 1/10GbE Controller" },
230 { PCI_VENDOR_ID_QLOGIC,
231 PCI_DEVICE_ID_QLOGIC_QLE824X,
232 PCI_VENDOR_ID_QLOGIC,
234 "8200 Series Single Port 10GbE Converged Network Adapter"
235 "(TCP/IP Networking)" },
236 { PCI_VENDOR_ID_QLOGIC,
237 PCI_DEVICE_ID_QLOGIC_QLE824X,
238 PCI_VENDOR_ID_QLOGIC,
240 "8200 Series Dual Port 10GbE Converged Network Adapter"
241 "(TCP/IP Networking)" },
242 { PCI_VENDOR_ID_QLOGIC,
243 PCI_DEVICE_ID_QLOGIC_QLE824X,
244 PCI_VENDOR_ID_QLOGIC,
246 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
247 { PCI_VENDOR_ID_QLOGIC,
248 PCI_DEVICE_ID_QLOGIC_QLE824X,
249 PCI_VENDOR_ID_QLOGIC,
251 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
252 { PCI_VENDOR_ID_QLOGIC,
253 PCI_DEVICE_ID_QLOGIC_QLE824X,
254 PCI_VENDOR_ID_QLOGIC,
256 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
257 { PCI_VENDOR_ID_QLOGIC,
258 PCI_DEVICE_ID_QLOGIC_QLE824X,
260 "NC523SFP 10Gb 2-port Server Adapter" },
261 { PCI_VENDOR_ID_QLOGIC,
262 PCI_DEVICE_ID_QLOGIC_QLE824X,
264 "CN1000Q Dual Port Converged Network Adapter" },
265 { PCI_VENDOR_ID_QLOGIC,
266 PCI_DEVICE_ID_QLOGIC_QLE824X,
267 PCI_VENDOR_ID_QLOGIC,
269 "QME8242-k 10GbE Dual Port Mezzanine Card" },
270 { PCI_VENDOR_ID_QLOGIC,
271 PCI_DEVICE_ID_QLOGIC_QLE824X,
272 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
275 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
278 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
280 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
282 int size = sizeof(struct qlcnic_host_sds_ring) * count;
284 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
286 return recv_ctx->sds_rings == NULL;
289 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
291 kfree(recv_ctx->sds_rings);
292 recv_ctx->sds_rings = NULL;
295 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
297 struct net_device *netdev = adapter->netdev;
298 struct pci_dev *pdev = adapter->pdev;
299 u8 mac_addr[ETH_ALEN];
302 ret = qlcnic_get_mac_address(adapter, mac_addr,
303 adapter->ahw->pci_func);
307 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
308 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
310 /* set station address */
312 if (!is_valid_ether_addr(netdev->dev_addr))
313 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
319 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
321 struct qlcnic_mac_vlan_list *cur;
322 struct list_head *head;
324 list_for_each(head, &adapter->mac_list) {
325 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
326 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
327 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
329 list_del(&cur->list);
336 static int qlcnic_set_mac(struct net_device *netdev, void *p)
338 struct qlcnic_adapter *adapter = netdev_priv(netdev);
339 struct sockaddr *addr = p;
341 if (qlcnic_sriov_vf_check(adapter))
344 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
347 if (!is_valid_ether_addr(addr->sa_data))
350 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) &&
351 ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data))
354 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
355 netif_device_detach(netdev);
356 qlcnic_napi_disable(adapter);
359 qlcnic_delete_adapter_mac(adapter);
360 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
361 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
362 qlcnic_set_multi(adapter->netdev);
364 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
365 netif_device_attach(netdev);
366 qlcnic_napi_enable(adapter);
371 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
372 struct net_device *netdev,
373 const unsigned char *addr, u16 vid)
375 struct qlcnic_adapter *adapter = netdev_priv(netdev);
376 int err = -EOPNOTSUPP;
378 if (!adapter->fdb_mac_learn)
379 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid);
381 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
382 qlcnic_sriov_check(adapter)) {
383 if (is_unicast_ether_addr(addr)) {
384 err = dev_uc_del(netdev, addr);
386 err = qlcnic_nic_del_mac(adapter, addr);
387 } else if (is_multicast_ether_addr(addr)) {
388 err = dev_mc_del(netdev, addr);
396 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
397 struct net_device *netdev,
398 const unsigned char *addr, u16 vid, u16 flags,
399 struct netlink_ext_ack *extack)
401 struct qlcnic_adapter *adapter = netdev_priv(netdev);
404 if (!adapter->fdb_mac_learn)
405 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags);
407 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
408 !qlcnic_sriov_check(adapter)) {
409 pr_info("%s: FDB e-switch is not enabled\n", __func__);
413 if (ether_addr_equal(addr, adapter->mac_addr))
416 if (is_unicast_ether_addr(addr)) {
417 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
418 err = dev_uc_add_excl(netdev, addr);
421 } else if (is_multicast_ether_addr(addr)) {
422 err = dev_mc_add_excl(netdev, addr);
430 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
431 struct net_device *netdev,
432 struct net_device *filter_dev, int *idx)
434 struct qlcnic_adapter *adapter = netdev_priv(netdev);
437 if (!adapter->fdb_mac_learn)
438 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
440 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
441 qlcnic_sriov_check(adapter))
442 err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
447 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
449 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
450 usleep_range(10000, 11000);
452 if (!adapter->fw_work.work.func)
455 cancel_delayed_work_sync(&adapter->fw_work);
458 static int qlcnic_get_phys_port_id(struct net_device *netdev,
459 struct netdev_phys_item_id *ppid)
461 struct qlcnic_adapter *adapter = netdev_priv(netdev);
462 struct qlcnic_hardware_context *ahw = adapter->ahw;
464 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
467 ppid->id_len = sizeof(ahw->phys_port_id);
468 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
473 static int qlcnic_udp_tunnel_sync(struct net_device *dev, unsigned int table)
475 struct qlcnic_adapter *adapter = netdev_priv(dev);
476 struct udp_tunnel_info ti;
479 udp_tunnel_nic_get_port(dev, table, 0, &ti);
481 err = qlcnic_set_vxlan_port(adapter, ntohs(ti.port));
486 return qlcnic_set_vxlan_parsing(adapter, ntohs(ti.port));
489 static const struct udp_tunnel_nic_info qlcnic_udp_tunnels = {
490 .sync_table = qlcnic_udp_tunnel_sync,
491 .flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP,
493 { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, },
497 static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
498 struct net_device *dev,
499 netdev_features_t features)
501 features = vlan_features_check(skb, features);
502 return vxlan_features_check(skb, features);
505 static const struct net_device_ops qlcnic_netdev_ops = {
506 .ndo_open = qlcnic_open,
507 .ndo_stop = qlcnic_close,
508 .ndo_start_xmit = qlcnic_xmit_frame,
509 .ndo_get_stats = qlcnic_get_stats,
510 .ndo_validate_addr = eth_validate_addr,
511 .ndo_set_rx_mode = qlcnic_set_multi,
512 .ndo_set_mac_address = qlcnic_set_mac,
513 .ndo_change_mtu = qlcnic_change_mtu,
514 .ndo_fix_features = qlcnic_fix_features,
515 .ndo_set_features = qlcnic_set_features,
516 .ndo_tx_timeout = qlcnic_tx_timeout,
517 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
518 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
519 .ndo_fdb_add = qlcnic_fdb_add,
520 .ndo_fdb_del = qlcnic_fdb_del,
521 .ndo_fdb_dump = qlcnic_fdb_dump,
522 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
523 .ndo_features_check = qlcnic_features_check,
524 #ifdef CONFIG_QLCNIC_SRIOV
525 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
526 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate,
527 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
528 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
529 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
533 static const struct net_device_ops qlcnic_netdev_failed_ops = {
534 .ndo_open = qlcnic_open,
537 static struct qlcnic_nic_template qlcnic_ops = {
538 .config_bridged_mode = qlcnic_config_bridged_mode,
539 .config_led = qlcnic_82xx_config_led,
540 .start_firmware = qlcnic_82xx_start_firmware,
541 .request_reset = qlcnic_82xx_dev_request_reset,
542 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
543 .napi_add = qlcnic_82xx_napi_add,
544 .napi_del = qlcnic_82xx_napi_del,
545 .config_ipaddr = qlcnic_82xx_config_ipaddr,
546 .shutdown = qlcnic_82xx_shutdown,
547 .resume = qlcnic_82xx_resume,
548 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
551 struct qlcnic_nic_template qlcnic_vf_ops = {
552 .config_bridged_mode = qlcnicvf_config_bridged_mode,
553 .config_led = qlcnicvf_config_led,
554 .start_firmware = qlcnicvf_start_firmware
557 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
558 .read_crb = qlcnic_82xx_read_crb,
559 .write_crb = qlcnic_82xx_write_crb,
560 .read_reg = qlcnic_82xx_hw_read_wx_2M,
561 .write_reg = qlcnic_82xx_hw_write_wx_2M,
562 .get_mac_address = qlcnic_82xx_get_mac_address,
563 .setup_intr = qlcnic_82xx_setup_intr,
564 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
565 .mbx_cmd = qlcnic_82xx_issue_cmd,
566 .get_func_no = qlcnic_82xx_get_func_no,
567 .api_lock = qlcnic_82xx_api_lock,
568 .api_unlock = qlcnic_82xx_api_unlock,
569 .add_sysfs = qlcnic_82xx_add_sysfs,
570 .remove_sysfs = qlcnic_82xx_remove_sysfs,
571 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
572 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
573 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
574 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
575 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
576 .setup_link_event = qlcnic_82xx_linkevent_request,
577 .get_nic_info = qlcnic_82xx_get_nic_info,
578 .get_pci_info = qlcnic_82xx_get_pci_info,
579 .set_nic_info = qlcnic_82xx_set_nic_info,
580 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
581 .napi_enable = qlcnic_82xx_napi_enable,
582 .napi_disable = qlcnic_82xx_napi_disable,
583 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
584 .config_rss = qlcnic_82xx_config_rss,
585 .config_hw_lro = qlcnic_82xx_config_hw_lro,
586 .config_loopback = qlcnic_82xx_set_lb_mode,
587 .clear_loopback = qlcnic_82xx_clear_lb_mode,
588 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
589 .change_l2_filter = qlcnic_82xx_change_filter,
590 .get_board_info = qlcnic_82xx_get_board_info,
591 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
592 .free_mac_list = qlcnic_82xx_free_mac_list,
593 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
594 .io_error_detected = qlcnic_82xx_io_error_detected,
595 .io_slot_reset = qlcnic_82xx_io_slot_reset,
596 .io_resume = qlcnic_82xx_io_resume,
597 .get_beacon_state = qlcnic_82xx_get_beacon_state,
598 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
599 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
600 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
601 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
602 .get_saved_state = qlcnic_82xx_get_saved_state,
603 .set_saved_state = qlcnic_82xx_set_saved_state,
604 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
605 .get_cap_size = qlcnic_82xx_get_cap_size,
606 .set_sys_info = qlcnic_82xx_set_sys_info,
607 .store_cap_mask = qlcnic_82xx_store_cap_mask,
608 .encap_rx_offload = qlcnic_82xx_encap_rx_offload,
609 .encap_tx_offload = qlcnic_82xx_encap_tx_offload,
612 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
614 struct qlcnic_hardware_context *ahw = adapter->ahw;
616 if (qlcnic_82xx_check(adapter) &&
617 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
618 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
625 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
628 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
630 if (queue_type == QLCNIC_RX_QUEUE)
631 max_rings = adapter->max_sds_rings;
632 else if (queue_type == QLCNIC_TX_QUEUE)
633 max_rings = adapter->max_tx_rings;
635 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
638 if (ring_cnt > num_rings)
644 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
646 /* 83xx adapter does not have max_tx_rings intialized in probe */
647 if (adapter->max_tx_rings)
648 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
651 adapter->drv_tx_rings = tx_cnt;
654 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
656 /* 83xx adapter does not have max_sds_rings intialized in probe */
657 if (adapter->max_sds_rings)
658 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
661 adapter->drv_sds_rings = rx_cnt;
664 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
666 struct pci_dev *pdev = adapter->pdev;
667 int num_msix = 0, err = 0, vector;
669 adapter->flags &= ~QLCNIC_TSS_RSS;
671 if (adapter->drv_tss_rings > 0)
672 num_msix += adapter->drv_tss_rings;
674 num_msix += adapter->drv_tx_rings;
676 if (adapter->drv_rss_rings > 0)
677 num_msix += adapter->drv_rss_rings;
679 num_msix += adapter->drv_sds_rings;
681 if (qlcnic_83xx_check(adapter))
684 if (!adapter->msix_entries) {
685 adapter->msix_entries = kcalloc(num_msix,
686 sizeof(struct msix_entry),
688 if (!adapter->msix_entries)
692 for (vector = 0; vector < num_msix; vector++)
693 adapter->msix_entries[vector].entry = vector;
696 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
697 if (err == -ENOSPC) {
698 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
701 netdev_info(adapter->netdev,
702 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
705 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
707 /* Set rings to 0 so we can restore original TSS/RSS count */
708 adapter->drv_tss_rings = 0;
709 adapter->drv_rss_rings = 0;
711 if (qlcnic_83xx_check(adapter))
714 netdev_info(adapter->netdev,
715 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
716 adapter->drv_tx_rings, adapter->drv_sds_rings,
720 } else if (err < 0) {
724 adapter->ahw->num_msix = num_msix;
725 if (adapter->drv_tss_rings > 0)
726 adapter->drv_tx_rings = adapter->drv_tss_rings;
728 if (adapter->drv_rss_rings > 0)
729 adapter->drv_sds_rings = adapter->drv_rss_rings;
734 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
736 struct pci_dev *pdev = adapter->pdev;
739 if (!adapter->msix_entries) {
740 adapter->msix_entries = kcalloc(num_msix,
741 sizeof(struct msix_entry),
743 if (!adapter->msix_entries)
747 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
749 if (adapter->ahw->msix_supported) {
751 for (vector = 0; vector < num_msix; vector++)
752 adapter->msix_entries[vector].entry = vector;
754 err = pci_enable_msix_range(pdev,
755 adapter->msix_entries, 1, num_msix);
757 if (err == num_msix) {
758 adapter->flags |= QLCNIC_MSIX_ENABLED;
759 adapter->ahw->num_msix = num_msix;
760 dev_info(&pdev->dev, "using msi-x interrupts\n");
762 } else if (err > 0) {
763 pci_disable_msix(pdev);
766 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
769 if (qlcnic_82xx_check(adapter)) {
770 num_msix = rounddown_pow_of_two(err);
771 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
774 num_msix = rounddown_pow_of_two(err - 1);
776 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
780 if (qlcnic_82xx_check(adapter) &&
781 !qlcnic_check_multi_tx(adapter)) {
782 adapter->drv_sds_rings = num_msix;
783 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
785 /* Distribute vectors equally */
786 adapter->drv_tx_rings = num_msix / 2;
787 adapter->drv_sds_rings = adapter->drv_tx_rings;
792 "Trying to allocate %d MSI-X interrupt vectors\n",
798 "Unable to allocate %d MSI-X vectors, err=%d\n",
807 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
811 num_msix = adapter->drv_sds_rings;
813 if (qlcnic_check_multi_tx(adapter))
814 num_msix += adapter->drv_tx_rings;
816 num_msix += QLCNIC_SINGLE_RING;
821 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
824 u32 offset, mask_reg;
825 const struct qlcnic_legacy_intr_set *legacy_intrp;
826 struct qlcnic_hardware_context *ahw = adapter->ahw;
827 struct pci_dev *pdev = adapter->pdev;
829 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
830 adapter->flags |= QLCNIC_MSI_ENABLED;
831 offset = msi_tgt_status[adapter->ahw->pci_func];
832 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
834 dev_info(&pdev->dev, "using msi interrupts\n");
835 adapter->msix_entries[0].vector = pdev->irq;
839 if (qlcnic_use_msi || qlcnic_use_msi_x)
842 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
843 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
844 offset = legacy_intrp->tgt_status_reg;
845 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
846 mask_reg = legacy_intrp->tgt_mask_reg;
847 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
848 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
849 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
850 dev_info(&pdev->dev, "using legacy interrupts\n");
851 adapter->msix_entries[0].vector = pdev->irq;
855 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
857 int num_msix, err = 0;
859 if (adapter->flags & QLCNIC_TSS_RSS) {
860 err = qlcnic_setup_tss_rss_intr(adapter);
863 num_msix = adapter->ahw->num_msix;
865 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
867 err = qlcnic_enable_msix(adapter, num_msix);
871 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
872 qlcnic_disable_multi_tx(adapter);
873 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
875 err = qlcnic_enable_msi_legacy(adapter);
884 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
886 struct qlcnic_hardware_context *ahw = adapter->ahw;
889 if (qlcnic_check_multi_tx(adapter) &&
891 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
893 vzalloc(array_size(sizeof(struct qlcnic_intrpt_config),
898 for (i = 0; i < ahw->num_msix; i++) {
899 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
900 ahw->intr_tbl[i].id = i;
901 ahw->intr_tbl[i].src = 0;
904 err = qlcnic_82xx_config_intrpt(adapter, 1);
906 dev_err(&adapter->pdev->dev,
907 "Failed to configure Interrupt for %d vector\n",
915 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
917 if (adapter->flags & QLCNIC_MSIX_ENABLED)
918 pci_disable_msix(adapter->pdev);
919 if (adapter->flags & QLCNIC_MSI_ENABLED)
920 pci_disable_msi(adapter->pdev);
922 kfree(adapter->msix_entries);
923 adapter->msix_entries = NULL;
925 if (adapter->ahw->intr_tbl) {
926 vfree(adapter->ahw->intr_tbl);
927 adapter->ahw->intr_tbl = NULL;
931 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
933 if (ahw->pci_base0 != NULL)
934 iounmap(ahw->pci_base0);
937 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
939 struct qlcnic_hardware_context *ahw = adapter->ahw;
940 struct qlcnic_pci_info *pci_info;
943 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
944 switch (ahw->port_type) {
946 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
949 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
955 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
958 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
962 ret = qlcnic_get_pci_info(adapter, pci_info);
967 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
971 if (qlcnic_84xx_check(adapter)) {
973 } else if (qlcnic_83xx_check(adapter)) {
974 if (adapter->ahw->extra_capability[0] &
975 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
984 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
986 struct qlcnic_hardware_context *ahw = adapter->ahw;
987 struct qlcnic_pci_info *pci_info;
988 int i, id = 0, ret = 0, j = 0;
992 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
996 ret = qlcnic_get_pci_info(adapter, pci_info);
1000 act_pci_func = ahw->total_nic_func;
1002 adapter->npars = kcalloc(act_pci_func,
1003 sizeof(struct qlcnic_npar_info),
1005 if (!adapter->npars) {
1010 adapter->eswitch = kcalloc(QLCNIC_NIU_MAX_XG_PORTS,
1011 sizeof(struct qlcnic_eswitch),
1013 if (!adapter->eswitch) {
1018 for (i = 0; i < ahw->max_vnic_func; i++) {
1019 pfn = pci_info[i].id;
1021 if (pfn >= ahw->max_vnic_func) {
1023 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
1024 __func__, pfn, ahw->max_vnic_func);
1028 if (!pci_info[i].active ||
1029 (pci_info[i].type != QLCNIC_TYPE_NIC))
1032 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1033 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1035 adapter->npars[j].eswitch_status = true;
1039 adapter->npars[j].eswitch_status = true;
1042 adapter->npars[j].pci_func = pfn;
1043 adapter->npars[j].active = (u8)pci_info[i].active;
1044 adapter->npars[j].type = (u8)pci_info[i].type;
1045 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1046 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1047 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1049 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1053 /* Update eSwitch status for adapters without per port eSwitch
1054 * configuration capability
1056 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1057 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1058 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1065 kfree(adapter->eswitch);
1066 adapter->eswitch = NULL;
1068 kfree(adapter->npars);
1069 adapter->npars = NULL;
1077 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1081 u32 data = QLCNIC_MGMT_FUNC;
1082 struct qlcnic_hardware_context *ahw = adapter->ahw;
1084 ret = qlcnic_api_lock(adapter);
1089 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1090 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1091 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1092 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1093 qlcnic_api_unlock(adapter);
1098 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1099 const struct pci_device_id *ent)
1101 u32 op_mode, priv_level;
1103 /* Determine FW API version */
1104 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1107 /* Find PCI function number */
1108 qlcnic_get_func_no(adapter);
1110 /* Determine function privilege level */
1111 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1112 if (op_mode == QLC_DEV_DRV_DEFAULT)
1113 priv_level = QLCNIC_MGMT_FUNC;
1115 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1117 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1118 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1119 dev_info(&adapter->pdev->dev,
1120 "HAL Version: %d Non Privileged function\n",
1121 adapter->ahw->fw_hal_version);
1122 adapter->nic_ops = &qlcnic_vf_ops;
1124 adapter->nic_ops = &qlcnic_ops;
1127 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1128 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1129 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1132 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1133 *bar = QLCNIC_82XX_BAR0_LENGTH;
1135 case PCI_DEVICE_ID_QLOGIC_QLE834X:
1136 case PCI_DEVICE_ID_QLOGIC_QLE8830:
1137 case PCI_DEVICE_ID_QLOGIC_QLE844X:
1138 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1139 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1140 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
1141 *bar = QLCNIC_83XX_BAR0_LENGTH;
1148 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1149 struct qlcnic_hardware_context *ahw)
1152 void __iomem *mem_ptr0 = NULL;
1153 unsigned long mem_len, pci_len0 = 0, bar0_len;
1155 /* remap phys address */
1156 mem_len = pci_resource_len(pdev, 0);
1158 qlcnic_get_bar_length(pdev->device, &bar0_len);
1159 if (mem_len >= bar0_len) {
1161 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1162 if (mem_ptr0 == NULL) {
1163 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1171 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1173 ahw->pci_base0 = mem_ptr0;
1174 ahw->pci_len0 = pci_len0;
1175 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1176 qlcnic_get_ioaddr(ahw, offset);
1181 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1184 struct pci_dev *pdev = adapter->pdev;
1185 unsigned short subsystem_vendor;
1188 subsystem_vendor = pdev->subsystem_vendor;
1190 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1191 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1192 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1193 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1202 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1204 struct pci_dev *pdev = adapter->pdev;
1207 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1208 if (qlcnic_boards[i].vendor == pdev->vendor &&
1209 qlcnic_boards[i].device == pdev->device &&
1210 qlcnic_validate_subsystem_id(adapter, i)) {
1217 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1219 sprintf(name, "%pM: %s" , adapter->mac_addr,
1220 qlcnic_boards[i].short_name);
1224 qlcnic_check_options(struct qlcnic_adapter *adapter)
1227 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1228 struct pci_dev *pdev = adapter->pdev;
1229 struct qlcnic_hardware_context *ahw = adapter->ahw;
1230 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1232 prev_fw_version = adapter->fw_version;
1234 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1235 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1236 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1238 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1240 err = qlcnic_get_board_info(adapter);
1242 dev_err(&pdev->dev, "Error getting board config info.\n");
1245 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1246 if (fw_dump->tmpl_hdr == NULL ||
1247 adapter->fw_version > prev_fw_version) {
1248 vfree(fw_dump->tmpl_hdr);
1249 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1250 dev_info(&pdev->dev,
1251 "Supports FW dump capability\n");
1255 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1256 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1258 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1259 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1260 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1261 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1263 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1264 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1267 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1268 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1270 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1271 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1272 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1273 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1274 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1277 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1279 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1281 adapter->max_rds_rings = MAX_RDS_RINGS;
1285 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1287 struct qlcnic_info nic_info;
1290 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1291 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1295 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1296 adapter->ahw->switch_mode = nic_info.switch_mode;
1297 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1298 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1299 adapter->ahw->capabilities = nic_info.capabilities;
1301 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1303 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1306 adapter->ahw->extra_capability[0] = temp;
1308 adapter->ahw->extra_capability[0] = 0;
1311 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1312 adapter->ahw->max_mtu = nic_info.max_mtu;
1314 if (adapter->ahw->capabilities & BIT_6) {
1315 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1316 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1317 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1318 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1320 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1322 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1323 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1324 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1325 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1331 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1332 struct qlcnic_esw_func_cfg *esw_cfg)
1334 if (esw_cfg->discard_tagged)
1335 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1337 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1339 if (esw_cfg->vlan_id) {
1340 adapter->rx_pvid = esw_cfg->vlan_id;
1341 adapter->tx_pvid = esw_cfg->vlan_id;
1343 adapter->rx_pvid = 0;
1344 adapter->tx_pvid = 0;
1349 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1351 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1354 if (qlcnic_sriov_vf_check(adapter)) {
1355 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1358 "Cannot add VLAN filter for VLAN id %d, err=%d",
1364 set_bit(vid, adapter->vlans);
1369 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1371 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1374 if (qlcnic_sriov_vf_check(adapter)) {
1375 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1378 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1384 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1385 clear_bit(vid, adapter->vlans);
1389 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1390 struct qlcnic_esw_func_cfg *esw_cfg)
1392 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1393 QLCNIC_PROMISC_DISABLED);
1395 if (esw_cfg->mac_anti_spoof)
1396 adapter->flags |= QLCNIC_MACSPOOF;
1398 if (!esw_cfg->mac_override)
1399 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1401 if (!esw_cfg->promisc_mode)
1402 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1405 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1407 struct qlcnic_esw_func_cfg esw_cfg;
1409 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1412 esw_cfg.pci_func = adapter->ahw->pci_func;
1413 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1415 qlcnic_set_vlan_config(adapter, &esw_cfg);
1416 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1417 qlcnic_set_netdev_features(adapter, &esw_cfg);
1422 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1423 struct qlcnic_esw_func_cfg *esw_cfg)
1425 struct net_device *netdev = adapter->netdev;
1427 if (qlcnic_83xx_check(adapter))
1430 adapter->offload_flags = esw_cfg->offload_flags;
1431 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1432 netdev_update_features(netdev);
1433 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1437 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1439 u32 op_mode, priv_level;
1442 err = qlcnic_initialize_nic(adapter);
1446 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1449 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1450 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1452 if (op_mode == QLC_DEV_DRV_DEFAULT)
1453 priv_level = QLCNIC_MGMT_FUNC;
1455 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1457 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1458 if (priv_level == QLCNIC_MGMT_FUNC) {
1459 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1460 err = qlcnic_init_pci_info(adapter);
1463 /* Set privilege level for other functions */
1464 qlcnic_set_function_modes(adapter);
1465 dev_info(&adapter->pdev->dev,
1466 "HAL Version: %d, Management function\n",
1467 adapter->ahw->fw_hal_version);
1468 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1469 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1470 dev_info(&adapter->pdev->dev,
1471 "HAL Version: %d, Privileged function\n",
1472 adapter->ahw->fw_hal_version);
1475 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1478 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1483 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1485 struct qlcnic_esw_func_cfg esw_cfg;
1486 struct qlcnic_npar_info *npar;
1489 if (adapter->need_fw_reset)
1492 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1493 if (!adapter->npars[i].eswitch_status)
1496 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1497 esw_cfg.pci_func = adapter->npars[i].pci_func;
1498 esw_cfg.mac_override = BIT_0;
1499 esw_cfg.promisc_mode = BIT_0;
1500 if (qlcnic_82xx_check(adapter)) {
1501 esw_cfg.offload_flags = BIT_0;
1502 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1503 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1505 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1507 npar = &adapter->npars[i];
1508 npar->pvid = esw_cfg.vlan_id;
1509 npar->mac_override = esw_cfg.mac_override;
1510 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1511 npar->discard_tagged = esw_cfg.discard_tagged;
1512 npar->promisc_mode = esw_cfg.promisc_mode;
1513 npar->offload_flags = esw_cfg.offload_flags;
1521 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1522 struct qlcnic_npar_info *npar, int pci_func)
1524 struct qlcnic_esw_func_cfg esw_cfg;
1525 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1526 esw_cfg.pci_func = pci_func;
1527 esw_cfg.vlan_id = npar->pvid;
1528 esw_cfg.mac_override = npar->mac_override;
1529 esw_cfg.discard_tagged = npar->discard_tagged;
1530 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1531 esw_cfg.offload_flags = npar->offload_flags;
1532 esw_cfg.promisc_mode = npar->promisc_mode;
1533 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1536 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1537 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1543 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1546 struct qlcnic_npar_info *npar;
1547 struct qlcnic_info nic_info;
1550 if (qlcnic_82xx_check(adapter))
1551 if (!adapter->need_fw_reset)
1554 /* Set the NPAR config data after FW reset */
1555 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1556 npar = &adapter->npars[i];
1557 pci_func = npar->pci_func;
1558 if (!adapter->npars[i].eswitch_status)
1561 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1562 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1565 nic_info.min_tx_bw = npar->min_bw;
1566 nic_info.max_tx_bw = npar->max_bw;
1567 err = qlcnic_set_nic_info(adapter, &nic_info);
1571 if (npar->enable_pm) {
1572 err = qlcnic_config_port_mirroring(adapter,
1578 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1585 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1587 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1590 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1593 npar_state = QLC_SHARED_REG_RD32(adapter,
1594 QLCNIC_CRB_DEV_NPAR_STATE);
1595 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1597 npar_state = QLC_SHARED_REG_RD32(adapter,
1598 QLCNIC_CRB_DEV_NPAR_STATE);
1600 if (!npar_opt_timeo) {
1601 dev_err(&adapter->pdev->dev,
1602 "Waiting for NPAR state to operational timeout\n");
1609 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1613 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1614 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1617 err = qlcnic_set_default_offload_settings(adapter);
1621 err = qlcnic_reset_npar_config(adapter);
1625 qlcnic_dev_set_npar_ready(adapter);
1630 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1634 err = qlcnic_can_start_firmware(adapter);
1638 goto check_fw_status;
1640 if (qlcnic_load_fw_file)
1641 qlcnic_request_firmware(adapter);
1643 err = qlcnic_check_flash_fw_ver(adapter);
1647 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1650 err = qlcnic_need_fw_reset(adapter);
1652 goto check_fw_status;
1654 err = qlcnic_pinit_from_rom(adapter);
1658 err = qlcnic_load_firmware(adapter);
1662 qlcnic_release_firmware(adapter);
1663 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1666 err = qlcnic_check_fw_status(adapter);
1670 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1671 qlcnic_idc_debug_info(adapter, 1);
1672 err = qlcnic_check_eswitch_mode(adapter);
1674 dev_err(&adapter->pdev->dev,
1675 "Memory allocation failed for eswitch\n");
1678 err = qlcnic_set_mgmt_operations(adapter);
1682 qlcnic_check_options(adapter);
1683 adapter->need_fw_reset = 0;
1685 qlcnic_release_firmware(adapter);
1689 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1690 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1692 qlcnic_release_firmware(adapter);
1697 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1699 irq_handler_t handler;
1700 struct qlcnic_host_sds_ring *sds_ring;
1701 struct qlcnic_host_tx_ring *tx_ring;
1702 int err, ring, num_sds_rings;
1704 unsigned long flags = 0;
1705 struct net_device *netdev = adapter->netdev;
1706 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1708 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1709 if (qlcnic_82xx_check(adapter))
1710 handler = qlcnic_tmp_intr;
1712 handler = qlcnic_83xx_tmp_intr;
1713 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1714 flags |= IRQF_SHARED;
1717 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1718 handler = qlcnic_msix_intr;
1719 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1720 handler = qlcnic_msi_intr;
1722 flags |= IRQF_SHARED;
1723 if (qlcnic_82xx_check(adapter))
1724 handler = qlcnic_intr;
1726 handler = qlcnic_83xx_intr;
1729 adapter->irq = netdev->irq;
1731 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1732 if (qlcnic_82xx_check(adapter) ||
1733 (qlcnic_83xx_check(adapter) &&
1734 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1735 num_sds_rings = adapter->drv_sds_rings;
1736 for (ring = 0; ring < num_sds_rings; ring++) {
1737 sds_ring = &recv_ctx->sds_rings[ring];
1738 if (qlcnic_82xx_check(adapter) &&
1739 !qlcnic_check_multi_tx(adapter) &&
1740 (ring == (num_sds_rings - 1))) {
1741 if (!(adapter->flags &
1742 QLCNIC_MSIX_ENABLED))
1743 snprintf(sds_ring->name,
1744 sizeof(sds_ring->name),
1747 snprintf(sds_ring->name,
1748 sizeof(sds_ring->name),
1750 netdev->name, ring);
1752 snprintf(sds_ring->name,
1753 sizeof(sds_ring->name),
1755 netdev->name, ring);
1757 err = request_irq(sds_ring->irq, handler, flags,
1758 sds_ring->name, sds_ring);
1763 if ((qlcnic_82xx_check(adapter) &&
1764 qlcnic_check_multi_tx(adapter)) ||
1765 (qlcnic_83xx_check(adapter) &&
1766 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1767 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1768 handler = qlcnic_msix_tx_intr;
1769 for (ring = 0; ring < adapter->drv_tx_rings;
1771 tx_ring = &adapter->tx_ring[ring];
1772 snprintf(tx_ring->name, sizeof(tx_ring->name),
1773 "%s-tx-%d", netdev->name, ring);
1774 err = request_irq(tx_ring->irq, handler, flags,
1775 tx_ring->name, tx_ring);
1785 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1788 struct qlcnic_host_sds_ring *sds_ring;
1789 struct qlcnic_host_tx_ring *tx_ring;
1791 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1793 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1794 if (qlcnic_82xx_check(adapter) ||
1795 (qlcnic_83xx_check(adapter) &&
1796 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1797 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1798 sds_ring = &recv_ctx->sds_rings[ring];
1799 free_irq(sds_ring->irq, sds_ring);
1802 if ((qlcnic_83xx_check(adapter) &&
1803 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1804 (qlcnic_82xx_check(adapter) &&
1805 qlcnic_check_multi_tx(adapter))) {
1806 for (ring = 0; ring < adapter->drv_tx_rings;
1808 tx_ring = &adapter->tx_ring[ring];
1810 free_irq(tx_ring->irq, tx_ring);
1816 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1820 if (qlcnic_82xx_check(adapter)) {
1821 if (adapter->ahw->extra_capability[0] &
1822 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1823 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1825 capab = adapter->ahw->capabilities;
1826 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1827 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1831 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1833 struct qlcnic_hardware_context *ahw = adapter->ahw;
1836 /* Initialize interrupt coalesce parameters */
1837 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1839 if (qlcnic_83xx_check(adapter)) {
1840 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1841 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1842 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1843 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1844 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1846 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1848 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1849 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1850 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1852 err = qlcnic_82xx_set_rx_coalesce(adapter);
1858 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1861 struct qlcnic_host_rds_ring *rds_ring;
1863 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1866 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1869 if (qlcnic_set_eswitch_port_config(adapter))
1872 qlcnic_get_lro_mss_capability(adapter);
1874 if (qlcnic_fw_create_ctx(adapter))
1877 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1878 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1879 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1882 qlcnic_set_multi(netdev);
1883 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1885 adapter->ahw->linkup = 0;
1887 if (adapter->drv_sds_rings > 1)
1888 qlcnic_config_rss(adapter, 1);
1890 qlcnic_config_def_intr_coalesce(adapter);
1892 if (netdev->features & NETIF_F_LRO)
1893 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1895 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1896 qlcnic_napi_enable(adapter);
1898 qlcnic_linkevent_request(adapter, 1);
1900 adapter->ahw->reset_context = 0;
1901 netif_tx_start_all_queues(netdev);
1905 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1910 if (netif_running(netdev))
1911 err = __qlcnic_up(adapter, netdev);
1917 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1921 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1924 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1928 netif_carrier_off(netdev);
1929 adapter->ahw->linkup = 0;
1930 netif_tx_disable(netdev);
1932 qlcnic_free_mac_list(adapter);
1934 if (adapter->fhash.fnum)
1935 qlcnic_delete_lb_filters(adapter);
1937 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1938 if (qlcnic_sriov_vf_check(adapter))
1939 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1941 qlcnic_napi_disable(adapter);
1943 qlcnic_fw_destroy_ctx(adapter);
1944 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1946 qlcnic_reset_rx_buffers_list(adapter);
1948 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1949 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1952 /* Usage: During suspend and firmware recovery module */
1954 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1957 if (netif_running(netdev))
1958 __qlcnic_down(adapter, netdev);
1964 qlcnic_attach(struct qlcnic_adapter *adapter)
1966 struct net_device *netdev = adapter->netdev;
1967 struct pci_dev *pdev = adapter->pdev;
1970 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1973 err = qlcnic_napi_add(adapter, netdev);
1977 err = qlcnic_alloc_sw_resources(adapter);
1979 dev_err(&pdev->dev, "Error in setting sw resources\n");
1980 goto err_out_napi_del;
1983 err = qlcnic_alloc_hw_resources(adapter);
1985 dev_err(&pdev->dev, "Error in setting hw resources\n");
1986 goto err_out_free_sw;
1989 err = qlcnic_request_irq(adapter);
1991 dev_err(&pdev->dev, "failed to setup interrupt\n");
1992 goto err_out_free_hw;
1995 qlcnic_create_sysfs_entries(adapter);
1997 if (qlcnic_encap_rx_offload(adapter))
1998 udp_tunnel_nic_reset_ntf(netdev);
2000 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
2004 qlcnic_free_hw_resources(adapter);
2006 qlcnic_free_sw_resources(adapter);
2008 qlcnic_napi_del(adapter);
2012 void qlcnic_detach(struct qlcnic_adapter *adapter)
2014 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2017 qlcnic_remove_sysfs_entries(adapter);
2019 qlcnic_free_hw_resources(adapter);
2020 qlcnic_release_rx_buffers(adapter);
2021 qlcnic_free_irq(adapter);
2022 qlcnic_napi_del(adapter);
2023 qlcnic_free_sw_resources(adapter);
2028 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
2030 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2031 struct qlcnic_host_sds_ring *sds_ring;
2032 int drv_tx_rings = adapter->drv_tx_rings;
2035 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
2036 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2037 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2038 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2039 qlcnic_disable_sds_intr(adapter, sds_ring);
2043 qlcnic_fw_destroy_ctx(adapter);
2045 qlcnic_detach(adapter);
2047 adapter->ahw->diag_test = 0;
2048 adapter->drv_sds_rings = drv_sds_rings;
2049 adapter->drv_tx_rings = drv_tx_rings;
2051 if (qlcnic_attach(adapter))
2054 if (netif_running(netdev))
2055 __qlcnic_up(adapter, netdev);
2057 netif_device_attach(netdev);
2060 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2062 struct qlcnic_hardware_context *ahw = adapter->ahw;
2065 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2067 if (!adapter->recv_ctx) {
2072 if (qlcnic_83xx_check(adapter)) {
2073 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2074 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
2075 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
2076 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2077 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2079 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
2080 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
2081 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
2085 memset(&adapter->stats, 0, sizeof(adapter->stats));
2090 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2092 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
2094 kfree(adapter->recv_ctx);
2095 adapter->recv_ctx = NULL;
2097 if (fw_dump->tmpl_hdr) {
2098 vfree(fw_dump->tmpl_hdr);
2099 fw_dump->tmpl_hdr = NULL;
2102 if (fw_dump->dma_buffer) {
2103 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
2104 fw_dump->dma_buffer, fw_dump->phys_addr);
2105 fw_dump->dma_buffer = NULL;
2108 kfree(adapter->ahw->reset.buff);
2109 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2112 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2114 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2115 struct qlcnic_host_sds_ring *sds_ring;
2116 struct qlcnic_host_rds_ring *rds_ring;
2120 netif_device_detach(netdev);
2122 if (netif_running(netdev))
2123 __qlcnic_down(adapter, netdev);
2125 qlcnic_detach(adapter);
2127 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2128 adapter->ahw->diag_test = test;
2129 adapter->ahw->linkup = 0;
2131 ret = qlcnic_attach(adapter);
2133 netif_device_attach(netdev);
2137 ret = qlcnic_fw_create_ctx(adapter);
2139 qlcnic_detach(adapter);
2140 netif_device_attach(netdev);
2144 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2145 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2146 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2149 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2150 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2151 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2152 qlcnic_enable_sds_intr(adapter, sds_ring);
2156 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2157 adapter->ahw->loopback_state = 0;
2158 qlcnic_linkevent_request(adapter, 1);
2161 set_bit(__QLCNIC_DEV_UP, &adapter->state);
2166 /* Reset context in hardware only */
2168 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2170 struct net_device *netdev = adapter->netdev;
2172 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2175 netif_device_detach(netdev);
2177 qlcnic_down(adapter, netdev);
2179 qlcnic_up(adapter, netdev);
2181 netif_device_attach(netdev);
2183 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2184 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2189 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2192 struct net_device *netdev = adapter->netdev;
2194 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2197 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2199 netif_device_detach(netdev);
2201 if (netif_running(netdev))
2202 __qlcnic_down(adapter, netdev);
2204 qlcnic_detach(adapter);
2206 if (netif_running(netdev)) {
2207 err = qlcnic_attach(adapter);
2209 __qlcnic_up(adapter, netdev);
2210 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2214 netif_device_attach(netdev);
2217 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2221 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2223 struct qlcnic_hardware_context *ahw = adapter->ahw;
2224 u16 act_pci_fn = ahw->total_nic_func;
2227 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2228 if (act_pci_fn <= 2)
2229 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2232 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2234 ahw->max_uc_count = count;
2237 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
2238 u8 tx_queues, u8 rx_queues)
2240 struct net_device *netdev = adapter->netdev;
2244 err = netif_set_real_num_tx_queues(netdev, tx_queues);
2246 netdev_err(netdev, "failed to set %d Tx queues\n",
2253 err = netif_set_real_num_rx_queues(netdev, rx_queues);
2255 netdev_err(netdev, "failed to set %d Rx queues\n",
2263 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2267 struct pci_dev *pdev = adapter->pdev;
2269 adapter->rx_csum = 1;
2270 adapter->ahw->mc_enabled = 0;
2271 qlcnic_set_mac_filter_count(adapter);
2273 netdev->netdev_ops = &qlcnic_netdev_ops;
2274 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2276 qlcnic_change_mtu(netdev, netdev->mtu);
2278 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ?
2279 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops;
2281 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2282 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2283 NETIF_F_HW_VLAN_CTAG_RX);
2284 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2287 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2288 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2289 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2292 if (pci_using_dac) {
2293 netdev->features |= NETIF_F_HIGHDMA;
2294 netdev->vlan_features |= NETIF_F_HIGHDMA;
2297 if (qlcnic_vlan_tx_check(adapter))
2298 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2300 if (qlcnic_sriov_vf_check(adapter))
2301 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2303 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2304 netdev->features |= NETIF_F_LRO;
2306 if (qlcnic_encap_tx_offload(adapter)) {
2307 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2309 /* encapsulation Tx offload supported by Adapter */
2310 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2311 NETIF_F_GSO_UDP_TUNNEL |
2316 if (qlcnic_encap_rx_offload(adapter)) {
2317 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2319 netdev->udp_tunnel_nic_info = &qlcnic_udp_tunnels;
2322 netdev->hw_features = netdev->features;
2323 netdev->priv_flags |= IFF_UNICAST_FLT;
2324 netdev->irq = adapter->msix_entries[0].vector;
2326 /* MTU range: 68 - 9600 */
2327 netdev->min_mtu = P3P_MIN_MTU;
2328 netdev->max_mtu = P3P_MAX_MTU;
2330 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
2331 adapter->drv_sds_rings);
2335 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2337 err = register_netdev(netdev);
2339 dev_err(&pdev->dev, "failed to register net device\n");
2346 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2348 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2349 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2351 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2352 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2355 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2362 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2365 struct qlcnic_host_tx_ring *tx_ring;
2367 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2368 tx_ring = &adapter->tx_ring[ring];
2370 vfree(tx_ring->cmd_buf_arr);
2371 tx_ring->cmd_buf_arr = NULL;
2374 kfree(adapter->tx_ring);
2377 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2378 struct net_device *netdev)
2380 int ring, vector, index;
2381 struct qlcnic_host_tx_ring *tx_ring;
2382 struct qlcnic_cmd_buffer *cmd_buf_arr;
2384 tx_ring = kcalloc(adapter->drv_tx_rings,
2385 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2386 if (tx_ring == NULL)
2389 adapter->tx_ring = tx_ring;
2391 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2392 tx_ring = &adapter->tx_ring[ring];
2393 tx_ring->num_desc = adapter->num_txd;
2394 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2395 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2396 if (cmd_buf_arr == NULL) {
2397 qlcnic_free_tx_rings(adapter);
2400 tx_ring->cmd_buf_arr = cmd_buf_arr;
2401 spin_lock_init(&tx_ring->tx_clean_lock);
2404 if (qlcnic_83xx_check(adapter) ||
2405 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2406 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2407 tx_ring = &adapter->tx_ring[ring];
2408 tx_ring->adapter = adapter;
2409 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2410 index = adapter->drv_sds_rings + ring;
2411 vector = adapter->msix_entries[index].vector;
2412 tx_ring->irq = vector;
2420 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2422 struct qlcnic_hardware_context *ahw = adapter->ahw;
2425 if (qlcnic_82xx_check(adapter))
2426 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2427 else if (qlcnic_83xx_check(adapter))
2428 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2430 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2431 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2434 /* Reset firmware API lock */
2435 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2437 qlcnic_api_lock(adapter);
2438 qlcnic_api_unlock(adapter);
2443 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2445 struct net_device *netdev = NULL;
2446 struct qlcnic_adapter *adapter = NULL;
2447 struct qlcnic_hardware_context *ahw;
2448 int err, pci_using_dac = -1;
2449 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2451 err = pci_enable_device(pdev);
2455 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2457 goto err_out_disable_pdev;
2460 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2462 goto err_out_disable_pdev;
2464 err = pci_request_regions(pdev, qlcnic_driver_name);
2466 goto err_out_disable_pdev;
2468 pci_set_master(pdev);
2469 pci_enable_pcie_error_reporting(pdev);
2471 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2474 goto err_out_free_res;
2477 switch (ent->device) {
2478 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2479 ahw->hw_ops = &qlcnic_hw_ops;
2480 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2482 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2483 case PCI_DEVICE_ID_QLOGIC_QLE8830:
2484 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2485 qlcnic_83xx_register_map(ahw);
2487 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2488 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
2489 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2490 qlcnic_sriov_vf_register_map(ahw);
2494 goto err_out_free_hw_res;
2497 err = qlcnic_setup_pci_map(pdev, ahw);
2499 goto err_out_free_hw_res;
2501 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2502 QLCNIC_MAX_TX_RINGS);
2505 goto err_out_iounmap;
2508 SET_NETDEV_DEV(netdev, &pdev->dev);
2510 adapter = netdev_priv(netdev);
2511 adapter->netdev = netdev;
2512 adapter->pdev = pdev;
2515 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2516 if (adapter->qlcnic_wq == NULL) {
2518 dev_err(&pdev->dev, "Failed to create workqueue\n");
2519 goto err_out_free_netdev;
2522 err = qlcnic_alloc_adapter_resources(adapter);
2524 goto err_out_free_wq;
2526 adapter->dev_rst_time = jiffies;
2527 ahw->revision_id = pdev->revision;
2528 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2529 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2530 adapter->fdb_mac_learn = true;
2531 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2532 adapter->drv_mac_learn = true;
2534 rwlock_init(&adapter->ahw->crb_lock);
2535 mutex_init(&adapter->ahw->mem_lock);
2537 INIT_LIST_HEAD(&adapter->mac_list);
2539 qlcnic_register_dcb(adapter);
2541 if (qlcnic_82xx_check(adapter)) {
2542 qlcnic_check_vf(adapter, ent);
2543 adapter->portnum = adapter->ahw->pci_func;
2544 qlcnic_reset_api_lock(adapter);
2545 err = qlcnic_start_firmware(adapter);
2547 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2548 "\t\tIf reboot doesn't help, try flashing the card\n");
2549 goto err_out_maintenance_mode;
2552 /* compute and set default and max tx/sds rings */
2553 if (adapter->ahw->msix_supported) {
2554 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2555 qlcnic_set_tx_ring_count(adapter,
2556 QLCNIC_SINGLE_RING);
2558 qlcnic_set_tx_ring_count(adapter,
2559 QLCNIC_DEF_TX_RINGS);
2560 qlcnic_set_sds_ring_count(adapter,
2561 QLCNIC_DEF_SDS_RINGS);
2563 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2564 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2567 err = qlcnic_setup_idc_param(adapter);
2569 goto err_out_free_hw;
2571 adapter->flags |= QLCNIC_NEED_FLR;
2573 } else if (qlcnic_83xx_check(adapter)) {
2574 qlcnic_83xx_check_vf(adapter, ent);
2575 adapter->portnum = adapter->ahw->pci_func;
2576 err = qlcnic_83xx_init(adapter, pci_using_dac);
2579 case -ENOTRECOVERABLE:
2580 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2581 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
2582 goto err_out_free_hw;
2584 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2585 goto err_out_free_hw;
2587 dev_err(&pdev->dev, "Adapter initialization failed\n");
2588 goto err_out_free_hw;
2590 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
2591 goto err_out_maintenance_mode;
2595 if (qlcnic_sriov_vf_check(adapter))
2599 "%s: failed. Please Reboot\n", __func__);
2601 goto err_out_free_hw;
2604 if (qlcnic_read_mac_addr(adapter))
2605 dev_warn(&pdev->dev, "failed to read mac addr\n");
2607 qlcnic_read_phys_port_id(adapter);
2609 if (adapter->portnum == 0) {
2610 qlcnic_get_board_name(adapter, board_name);
2612 pr_info("%s: %s Board Chip rev 0x%x\n",
2613 module_name(THIS_MODULE),
2614 board_name, adapter->ahw->revision_id);
2617 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2619 dev_warn(&pdev->dev,
2620 "Device does not support MSI interrupts\n");
2622 if (qlcnic_82xx_check(adapter)) {
2623 qlcnic_dcb_enable(adapter->dcb);
2624 qlcnic_dcb_get_info(adapter->dcb);
2625 err = qlcnic_setup_intr(adapter);
2628 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2629 goto err_out_disable_msi;
2633 err = qlcnic_get_act_pci_func(adapter);
2635 goto err_out_disable_mbx_intr;
2637 if (adapter->portnum == 0)
2638 qlcnic_set_drv_version(adapter);
2640 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2642 goto err_out_disable_mbx_intr;
2644 pci_set_drvdata(pdev, adapter);
2646 if (qlcnic_82xx_check(adapter))
2647 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2650 switch (adapter->ahw->port_type) {
2652 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2653 adapter->netdev->name);
2656 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2657 adapter->netdev->name);
2661 if (adapter->drv_mac_learn)
2662 qlcnic_alloc_lb_filters_mem(adapter);
2664 qlcnic_add_sysfs(adapter);
2665 qlcnic_register_hwmon_dev(adapter);
2668 err_out_disable_mbx_intr:
2669 if (qlcnic_83xx_check(adapter))
2670 qlcnic_83xx_free_mbx_intr(adapter);
2672 err_out_disable_msi:
2673 qlcnic_teardown_intr(adapter);
2674 qlcnic_cancel_idc_work(adapter);
2675 qlcnic_clr_all_drv_state(adapter, 0);
2678 qlcnic_free_adapter_resources(adapter);
2681 destroy_workqueue(adapter->qlcnic_wq);
2683 err_out_free_netdev:
2684 free_netdev(netdev);
2687 qlcnic_cleanup_pci_map(ahw);
2689 err_out_free_hw_res:
2693 pci_release_regions(pdev);
2695 err_out_disable_pdev:
2696 pci_disable_device(pdev);
2699 err_out_maintenance_mode:
2700 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2701 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2702 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
2703 ahw->port_type = QLCNIC_XGBE;
2705 if (qlcnic_83xx_check(adapter))
2706 adapter->tgt_status_reg = NULL;
2708 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2710 err = register_netdev(netdev);
2713 dev_err(&pdev->dev, "Failed to register net device\n");
2714 qlcnic_clr_all_drv_state(adapter, 0);
2715 goto err_out_free_hw;
2718 pci_set_drvdata(pdev, adapter);
2719 qlcnic_add_sysfs(adapter);
2724 static void qlcnic_remove(struct pci_dev *pdev)
2726 struct qlcnic_adapter *adapter;
2727 struct net_device *netdev;
2728 struct qlcnic_hardware_context *ahw;
2730 adapter = pci_get_drvdata(pdev);
2731 if (adapter == NULL)
2734 netdev = adapter->netdev;
2736 qlcnic_cancel_idc_work(adapter);
2737 qlcnic_sriov_pf_disable(adapter);
2740 unregister_netdev(netdev);
2741 qlcnic_sriov_cleanup(adapter);
2743 if (qlcnic_83xx_check(adapter)) {
2744 qlcnic_83xx_initialize_nic(adapter, 0);
2745 cancel_delayed_work_sync(&adapter->idc_aen_work);
2746 qlcnic_83xx_free_mbx_intr(adapter);
2747 qlcnic_83xx_detach_mailbox_work(adapter);
2748 qlcnic_83xx_free_mailbox(ahw->mailbox);
2749 kfree(ahw->fw_info);
2752 qlcnic_dcb_free(adapter->dcb);
2753 qlcnic_detach(adapter);
2754 kfree(adapter->npars);
2755 kfree(adapter->eswitch);
2757 if (qlcnic_82xx_check(adapter))
2758 qlcnic_clr_all_drv_state(adapter, 0);
2760 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2762 qlcnic_free_lb_filters_mem(adapter);
2764 qlcnic_teardown_intr(adapter);
2766 qlcnic_remove_sysfs(adapter);
2768 qlcnic_unregister_hwmon_dev(adapter);
2770 qlcnic_cleanup_pci_map(adapter->ahw);
2772 qlcnic_release_firmware(adapter);
2774 pci_disable_pcie_error_reporting(pdev);
2775 pci_release_regions(pdev);
2776 pci_disable_device(pdev);
2778 if (adapter->qlcnic_wq) {
2779 destroy_workqueue(adapter->qlcnic_wq);
2780 adapter->qlcnic_wq = NULL;
2783 qlcnic_free_adapter_resources(adapter);
2785 free_netdev(netdev);
2788 static void qlcnic_shutdown(struct pci_dev *pdev)
2790 if (__qlcnic_shutdown(pdev))
2793 pci_disable_device(pdev);
2796 static int __maybe_unused qlcnic_suspend(struct device *dev_d)
2798 return __qlcnic_shutdown(to_pci_dev(dev_d));
2801 static int __maybe_unused qlcnic_resume(struct device *dev_d)
2803 struct qlcnic_adapter *adapter = dev_get_drvdata(dev_d);
2805 return __qlcnic_resume(adapter);
2808 static int qlcnic_open(struct net_device *netdev)
2810 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2813 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2814 netdev_err(netdev, "%s: Device is in non-operational state\n",
2820 netif_carrier_off(netdev);
2822 err = qlcnic_attach(adapter);
2826 err = __qlcnic_up(adapter, netdev);
2828 qlcnic_detach(adapter);
2834 * qlcnic_close - Disables a network interface entry point
2836 static int qlcnic_close(struct net_device *netdev)
2838 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2840 __qlcnic_down(adapter, netdev);
2845 #define QLCNIC_VF_LB_BUCKET_SIZE 1
2847 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2851 struct net_device *netdev = adapter->netdev;
2852 u32 filter_size = 0;
2853 u16 act_pci_func = 0;
2855 if (adapter->fhash.fmax && adapter->fhash.fhead)
2858 act_pci_func = adapter->ahw->total_nic_func;
2859 spin_lock_init(&adapter->mac_learn_lock);
2860 spin_lock_init(&adapter->rx_mac_learn_lock);
2862 if (qlcnic_sriov_vf_check(adapter)) {
2863 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
2864 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
2865 } else if (qlcnic_82xx_check(adapter)) {
2866 filter_size = QLCNIC_LB_MAX_FILTERS;
2867 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2869 filter_size = QLC_83XX_LB_MAX_FILTERS;
2870 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2873 head = kcalloc(adapter->fhash.fbucket_size,
2874 sizeof(struct hlist_head), GFP_ATOMIC);
2879 adapter->fhash.fmax = (filter_size / act_pci_func);
2880 adapter->fhash.fhead = head;
2882 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2883 act_pci_func, adapter->fhash.fmax);
2885 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2886 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2888 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2890 head = kcalloc(adapter->rx_fhash.fbucket_size,
2891 sizeof(struct hlist_head), GFP_ATOMIC);
2896 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2897 adapter->rx_fhash.fhead = head;
2899 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2900 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2903 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2905 if (adapter->fhash.fmax)
2906 kfree(adapter->fhash.fhead);
2908 adapter->fhash.fhead = NULL;
2909 adapter->fhash.fmax = 0;
2911 if (adapter->rx_fhash.fmax)
2912 kfree(adapter->rx_fhash.fhead);
2914 adapter->rx_fhash.fmax = 0;
2915 adapter->rx_fhash.fhead = NULL;
2918 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2920 struct net_device *netdev = adapter->netdev;
2921 u32 temp_state, temp_val, temp = 0;
2924 if (qlcnic_83xx_check(adapter))
2925 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2927 if (qlcnic_82xx_check(adapter))
2928 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2930 temp_state = qlcnic_get_temp_state(temp);
2931 temp_val = qlcnic_get_temp_val(temp);
2933 if (temp_state == QLCNIC_TEMP_PANIC) {
2934 dev_err(&netdev->dev,
2935 "Device temperature %d degrees C exceeds"
2936 " maximum allowed. Hardware has been shut down.\n",
2939 } else if (temp_state == QLCNIC_TEMP_WARN) {
2940 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2941 dev_err(&netdev->dev,
2942 "Device temperature %d degrees C "
2943 "exceeds operating range."
2944 " Immediate action needed.\n",
2948 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2949 dev_info(&netdev->dev,
2950 "Device temperature is now %d degrees C"
2951 " in normal range.\n", temp_val);
2954 adapter->ahw->temp = temp_state;
2958 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2962 for (i = 0; i < tx_ring->num_desc; i++) {
2963 pr_info("TX Desc: %d\n", i);
2964 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2965 &tx_ring->desc_head[i],
2966 sizeof(struct cmd_desc_type0), true);
2970 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter)
2972 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
2973 struct net_device *netdev = adapter->netdev;
2974 struct qlcnic_host_rds_ring *rds_ring;
2975 struct qlcnic_host_sds_ring *sds_ring;
2976 struct qlcnic_host_tx_ring *tx_ring;
2979 if (!netdev || !netif_running(netdev))
2982 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2983 rds_ring = &recv_ctx->rds_rings[ring];
2987 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n",
2988 ring, readl(rds_ring->crb_rcv_producer),
2989 rds_ring->producer, rds_ring->num_desc);
2992 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2993 sds_ring = &(recv_ctx->sds_rings[ring]);
2997 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n",
2998 ring, readl(sds_ring->crb_sts_consumer),
2999 sds_ring->consumer, readl(sds_ring->crb_intr_mask),
3000 sds_ring->num_desc);
3003 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3004 tx_ring = &adapter->tx_ring[ring];
3007 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
3008 ring, tx_ring->ctx_id);
3010 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
3011 tx_ring->tx_stats.xmit_finished,
3012 tx_ring->tx_stats.xmit_called,
3013 tx_ring->tx_stats.xmit_on,
3014 tx_ring->tx_stats.xmit_off);
3016 if (tx_ring->crb_intr_mask)
3017 netdev_info(netdev, "crb_intr_mask=%d\n",
3018 readl(tx_ring->crb_intr_mask));
3021 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
3022 readl(tx_ring->crb_cmd_producer),
3023 tx_ring->producer, tx_ring->sw_consumer,
3024 le32_to_cpu(*(tx_ring->hw_consumer)));
3026 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
3027 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
3029 if (netif_msg_tx_err(adapter->ahw))
3030 dump_tx_ring_desc(tx_ring);
3035 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue)
3037 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3039 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3042 qlcnic_dump_rings(adapter);
3044 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS ||
3045 netif_msg_tx_err(adapter->ahw)) {
3046 netdev_err(netdev, "Tx timeout, reset the adapter.\n");
3047 if (qlcnic_82xx_check(adapter))
3048 adapter->need_fw_reset = 1;
3049 else if (qlcnic_83xx_check(adapter))
3050 qlcnic_83xx_idc_request_reset(adapter,
3051 QLCNIC_FORCE_FW_DUMP_KEY);
3053 netdev_err(netdev, "Tx timeout, reset adapter context.\n");
3054 adapter->ahw->reset_context = 1;
3058 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
3060 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3061 struct net_device_stats *stats = &netdev->stats;
3063 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
3064 qlcnic_update_stats(adapter);
3066 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
3067 stats->tx_packets = adapter->stats.xmitfinished;
3068 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
3069 stats->tx_bytes = adapter->stats.txbytes;
3070 stats->rx_dropped = adapter->stats.rxdropped;
3071 stats->tx_dropped = adapter->stats.txdropped;
3076 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
3080 status = readl(adapter->isr_int_vec);
3082 if (!(status & adapter->ahw->int_vec_bit))
3085 /* check interrupt state machine, to be sure */
3086 status = readl(adapter->crb_int_state_reg);
3087 if (!ISR_LEGACY_INT_TRIGGERED(status))
3090 writel(0xffffffff, adapter->tgt_status_reg);
3091 /* read twice to ensure write is flushed */
3092 readl(adapter->isr_int_vec);
3093 readl(adapter->isr_int_vec);
3098 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3100 struct qlcnic_host_sds_ring *sds_ring = data;
3101 struct qlcnic_adapter *adapter = sds_ring->adapter;
3103 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3105 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3106 writel(0xffffffff, adapter->tgt_status_reg);
3110 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3114 adapter->ahw->diag_cnt++;
3115 qlcnic_enable_sds_intr(adapter, sds_ring);
3119 static irqreturn_t qlcnic_intr(int irq, void *data)
3121 struct qlcnic_host_sds_ring *sds_ring = data;
3122 struct qlcnic_adapter *adapter = sds_ring->adapter;
3124 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3127 napi_schedule(&sds_ring->napi);
3132 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3134 struct qlcnic_host_sds_ring *sds_ring = data;
3135 struct qlcnic_adapter *adapter = sds_ring->adapter;
3137 /* clear interrupt */
3138 writel(0xffffffff, adapter->tgt_status_reg);
3140 napi_schedule(&sds_ring->napi);
3144 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3146 struct qlcnic_host_sds_ring *sds_ring = data;
3148 napi_schedule(&sds_ring->napi);
3152 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3154 struct qlcnic_host_tx_ring *tx_ring = data;
3156 napi_schedule(&tx_ring->napi);
3161 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3165 val = adapter->portnum & 0xf;
3166 val |= encoding << 7;
3167 val |= (jiffies - adapter->dev_rst_time) << 8;
3169 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3170 adapter->dev_rst_time = jiffies;
3174 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3178 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3179 state != QLCNIC_DEV_NEED_QUISCENT);
3181 if (qlcnic_api_lock(adapter))
3184 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3186 if (state == QLCNIC_DEV_NEED_RESET)
3187 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3188 else if (state == QLCNIC_DEV_NEED_QUISCENT)
3189 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3191 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3193 qlcnic_api_unlock(adapter);
3199 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3203 if (qlcnic_api_lock(adapter))
3206 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3207 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3208 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3210 qlcnic_api_unlock(adapter);
3215 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3219 if (qlcnic_api_lock(adapter))
3222 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3223 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3224 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3227 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3229 dev_info(&adapter->pdev->dev,
3230 "Device state set to Failed. Please Reboot\n");
3231 } else if (!(val & 0x11111111))
3232 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3235 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3236 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3237 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3239 qlcnic_api_unlock(adapter);
3241 adapter->fw_fail_cnt = 0;
3242 adapter->flags &= ~QLCNIC_FW_HANG;
3243 clear_bit(__QLCNIC_START_FW, &adapter->state);
3244 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3247 /* Grab api lock, before checking state */
3249 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3251 int act, state, active_mask;
3252 struct qlcnic_hardware_context *ahw = adapter->ahw;
3254 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3255 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3257 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3258 active_mask = (~(1 << (ahw->pci_func * 4)));
3259 act = act & active_mask;
3262 if (((state & 0x11111111) == (act & 0x11111111)) ||
3263 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3269 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3271 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3273 if (val != QLCNIC_DRV_IDC_VER) {
3274 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3275 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3282 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3284 u32 val, prev_state;
3285 u8 dev_init_timeo = adapter->dev_init_timeo;
3286 u8 portnum = adapter->portnum;
3289 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3292 if (qlcnic_api_lock(adapter))
3295 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3296 if (!(val & (1 << (portnum * 4)))) {
3297 QLC_DEV_SET_REF_CNT(val, portnum);
3298 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3301 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3302 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3304 switch (prev_state) {
3305 case QLCNIC_DEV_COLD:
3306 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3307 QLCNIC_DEV_INITIALIZING);
3308 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3309 QLCNIC_DRV_IDC_VER);
3310 qlcnic_idc_debug_info(adapter, 0);
3311 qlcnic_api_unlock(adapter);
3314 case QLCNIC_DEV_READY:
3315 ret = qlcnic_check_idc_ver(adapter);
3316 qlcnic_api_unlock(adapter);
3319 case QLCNIC_DEV_NEED_RESET:
3320 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3321 QLC_DEV_SET_RST_RDY(val, portnum);
3322 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3325 case QLCNIC_DEV_NEED_QUISCENT:
3326 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3327 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3328 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3331 case QLCNIC_DEV_FAILED:
3332 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3333 qlcnic_api_unlock(adapter);
3336 case QLCNIC_DEV_INITIALIZING:
3337 case QLCNIC_DEV_QUISCENT:
3341 qlcnic_api_unlock(adapter);
3345 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3347 if (prev_state == QLCNIC_DEV_QUISCENT)
3349 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3351 if (!dev_init_timeo) {
3352 dev_err(&adapter->pdev->dev,
3353 "Waiting for device to initialize timeout\n");
3357 if (qlcnic_api_lock(adapter))
3360 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3361 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3362 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3364 ret = qlcnic_check_idc_ver(adapter);
3365 qlcnic_api_unlock(adapter);
3371 qlcnic_fwinit_work(struct work_struct *work)
3373 struct qlcnic_adapter *adapter = container_of(work,
3374 struct qlcnic_adapter, fw_work.work);
3375 u32 dev_state = 0xf;
3378 if (qlcnic_api_lock(adapter))
3381 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3382 if (dev_state == QLCNIC_DEV_QUISCENT ||
3383 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3384 qlcnic_api_unlock(adapter);
3385 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3390 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3391 qlcnic_api_unlock(adapter);
3395 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3396 dev_state == QLCNIC_DEV_READY) {
3397 dev_info(&adapter->pdev->dev, "Detected state change from "
3398 "DEV_NEED_RESET, skipping ack check\n");
3399 goto skip_ack_check;
3402 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3403 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3404 adapter->reset_ack_timeo);
3405 goto skip_ack_check;
3408 if (!qlcnic_check_drv_state(adapter)) {
3410 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3412 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3413 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3414 QLCNIC_DEV_INITIALIZING);
3415 set_bit(__QLCNIC_START_FW, &adapter->state);
3416 QLCDB(adapter, DRV, "Restarting fw\n");
3417 qlcnic_idc_debug_info(adapter, 0);
3418 val = QLC_SHARED_REG_RD32(adapter,
3419 QLCNIC_CRB_DRV_STATE);
3420 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3421 QLC_SHARED_REG_WR32(adapter,
3422 QLCNIC_CRB_DRV_STATE, val);
3425 qlcnic_api_unlock(adapter);
3428 if (qlcnic_check_fw_dump_state(adapter) &&
3429 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3430 QLCDB(adapter, DRV, "Take FW dump\n");
3431 qlcnic_dump_fw(adapter);
3432 adapter->flags |= QLCNIC_FW_HANG;
3436 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3437 if (!adapter->nic_ops->start_firmware(adapter)) {
3438 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3439 adapter->fw_wait_cnt = 0;
3445 qlcnic_api_unlock(adapter);
3448 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3449 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3451 switch (dev_state) {
3452 case QLCNIC_DEV_READY:
3453 if (!qlcnic_start_firmware(adapter)) {
3454 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3455 adapter->fw_wait_cnt = 0;
3458 case QLCNIC_DEV_FAILED:
3461 qlcnic_schedule_work(adapter,
3462 qlcnic_fwinit_work, FW_POLL_DELAY);
3467 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3468 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3469 netif_device_attach(adapter->netdev);
3470 qlcnic_clr_all_drv_state(adapter, 0);
3474 qlcnic_detach_work(struct work_struct *work)
3476 struct qlcnic_adapter *adapter = container_of(work,
3477 struct qlcnic_adapter, fw_work.work);
3478 struct net_device *netdev = adapter->netdev;
3481 netif_device_detach(netdev);
3483 /* Dont grab rtnl lock during Quiscent mode */
3484 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3485 if (netif_running(netdev))
3486 __qlcnic_down(adapter, netdev);
3488 qlcnic_down(adapter, netdev);
3490 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3492 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3493 dev_err(&adapter->pdev->dev,
3494 "Detaching the device: peg halt status1=0x%x\n",
3497 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3498 dev_err(&adapter->pdev->dev,
3499 "On board active cooling fan failed. "
3500 "Device has been halted.\n");
3501 dev_err(&adapter->pdev->dev,
3502 "Replace the adapter.\n");
3508 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3509 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3510 adapter->ahw->temp);
3514 /* Dont ack if this instance is the reset owner */
3515 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3516 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3517 dev_err(&adapter->pdev->dev,
3518 "Failed to set driver state,"
3519 "detaching the device.\n");
3524 adapter->fw_wait_cnt = 0;
3526 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3531 netif_device_attach(netdev);
3532 qlcnic_clr_all_drv_state(adapter, 1);
3535 /*Transit NPAR state to NON Operational */
3537 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3541 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3542 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3545 if (qlcnic_api_lock(adapter))
3547 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3548 QLCNIC_DEV_NPAR_NON_OPER);
3549 qlcnic_api_unlock(adapter);
3552 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3555 u32 state, xg_val = 0, gb_val = 0;
3557 qlcnic_xg_set_xg0_mask(xg_val);
3558 qlcnic_xg_set_xg1_mask(xg_val);
3559 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3560 qlcnic_gb_set_gb0_mask(gb_val);
3561 qlcnic_gb_set_gb1_mask(gb_val);
3562 qlcnic_gb_set_gb2_mask(gb_val);
3563 qlcnic_gb_set_gb3_mask(gb_val);
3564 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3565 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3567 adapter->need_fw_reset = 1;
3569 if (qlcnic_api_lock(adapter))
3572 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3574 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3575 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3577 qlcnic_api_unlock(adapter);
3582 if (state == QLCNIC_DEV_READY) {
3583 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3584 QLCNIC_DEV_NEED_RESET);
3585 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3586 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3587 qlcnic_idc_debug_info(adapter, 0);
3590 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3591 QLCNIC_DEV_NPAR_NON_OPER);
3592 qlcnic_api_unlock(adapter);
3595 /* Transit to NPAR READY state from NPAR NOT READY state */
3597 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3599 if (qlcnic_api_lock(adapter))
3602 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3603 QLCNIC_DEV_NPAR_OPER);
3604 QLCDB(adapter, DRV, "NPAR operational state set\n");
3606 qlcnic_api_unlock(adapter);
3609 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3610 work_func_t func, int delay)
3612 if (test_bit(__QLCNIC_AER, &adapter->state))
3615 INIT_DELAYED_WORK(&adapter->fw_work, func);
3616 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3617 round_jiffies_relative(delay));
3621 qlcnic_attach_work(struct work_struct *work)
3623 struct qlcnic_adapter *adapter = container_of(work,
3624 struct qlcnic_adapter, fw_work.work);
3625 struct net_device *netdev = adapter->netdev;
3628 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3629 npar_state = QLC_SHARED_REG_RD32(adapter,
3630 QLCNIC_CRB_DEV_NPAR_STATE);
3631 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3632 qlcnic_clr_all_drv_state(adapter, 0);
3633 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3634 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3638 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3642 qlcnic_dcb_get_info(adapter->dcb);
3644 if (netif_running(netdev)) {
3645 if (qlcnic_up(adapter, netdev))
3648 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3652 netif_device_attach(netdev);
3653 adapter->fw_fail_cnt = 0;
3654 adapter->flags &= ~QLCNIC_FW_HANG;
3655 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3656 if (adapter->portnum == 0)
3657 qlcnic_set_drv_version(adapter);
3659 if (!qlcnic_clr_drv_state(adapter))
3660 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3665 qlcnic_check_health(struct qlcnic_adapter *adapter)
3667 struct qlcnic_hardware_context *ahw = adapter->ahw;
3668 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3669 u32 state = 0, heartbeat;
3673 if (qlcnic_check_temp(adapter))
3676 if (adapter->need_fw_reset)
3677 qlcnic_dev_request_reset(adapter, 0);
3679 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3680 if (state == QLCNIC_DEV_NEED_RESET) {
3681 qlcnic_set_npar_non_operational(adapter);
3682 adapter->need_fw_reset = 1;
3683 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3686 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3687 if (heartbeat != adapter->heartbeat) {
3688 adapter->heartbeat = heartbeat;
3689 adapter->fw_fail_cnt = 0;
3690 if (adapter->need_fw_reset)
3693 if (ahw->reset_context && qlcnic_auto_fw_reset)
3694 qlcnic_reset_hw_context(adapter);
3699 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3702 adapter->flags |= QLCNIC_FW_HANG;
3704 qlcnic_dev_request_reset(adapter, 0);
3706 if (qlcnic_auto_fw_reset)
3707 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3709 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3710 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3711 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3712 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3713 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3714 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3715 "PEG_NET_4_PC: 0x%x\n",
3717 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3718 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3719 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3720 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3721 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3722 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3723 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3724 dev_err(&adapter->pdev->dev,
3725 "Firmware aborted with error code 0x00006700. "
3726 "Device is being reset.\n");
3728 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3729 QLCNIC_DEV_NEED_RESET;
3731 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3734 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3735 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3736 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3737 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3738 qlcnic_dump_fw(adapter);
3744 void qlcnic_fw_poll_work(struct work_struct *work)
3746 struct qlcnic_adapter *adapter = container_of(work,
3747 struct qlcnic_adapter, fw_work.work);
3749 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3753 if (qlcnic_check_health(adapter))
3756 if (adapter->fhash.fnum)
3757 qlcnic_prune_lb_filters(adapter);
3760 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3763 static int qlcnic_is_first_func(struct pci_dev *pdev)
3765 struct pci_dev *oth_pdev;
3766 int val = pdev->devfn;
3769 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3770 (pdev->bus), pdev->bus->number,
3771 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3775 if (oth_pdev->current_state != PCI_D3cold) {
3776 pci_dev_put(oth_pdev);
3779 pci_dev_put(oth_pdev);
3784 static int qlcnic_attach_func(struct pci_dev *pdev)
3786 int err, first_func;
3787 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3788 struct net_device *netdev = adapter->netdev;
3790 pdev->error_state = pci_channel_io_normal;
3792 err = pci_enable_device(pdev);
3796 pci_set_master(pdev);
3797 pci_restore_state(pdev);
3799 first_func = qlcnic_is_first_func(pdev);
3801 if (qlcnic_api_lock(adapter))
3804 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3805 adapter->need_fw_reset = 1;
3806 set_bit(__QLCNIC_START_FW, &adapter->state);
3807 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3808 QLCNIC_DEV_INITIALIZING);
3809 QLCDB(adapter, DRV, "Restarting fw\n");
3811 qlcnic_api_unlock(adapter);
3813 err = qlcnic_start_firmware(adapter);
3817 qlcnic_clr_drv_state(adapter);
3818 kfree(adapter->msix_entries);
3819 adapter->msix_entries = NULL;
3820 err = qlcnic_setup_intr(adapter);
3823 kfree(adapter->msix_entries);
3824 netdev_err(netdev, "failed to setup interrupt\n");
3828 if (netif_running(netdev)) {
3829 err = qlcnic_attach(adapter);
3831 qlcnic_clr_all_drv_state(adapter, 1);
3832 clear_bit(__QLCNIC_AER, &adapter->state);
3833 netif_device_attach(netdev);
3837 err = qlcnic_up(adapter, netdev);
3841 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3844 netif_device_attach(netdev);
3848 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3849 pci_channel_state_t state)
3851 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3852 struct net_device *netdev = adapter->netdev;
3854 if (state == pci_channel_io_perm_failure)
3855 return PCI_ERS_RESULT_DISCONNECT;
3857 if (state == pci_channel_io_normal)
3858 return PCI_ERS_RESULT_RECOVERED;
3860 set_bit(__QLCNIC_AER, &adapter->state);
3861 netif_device_detach(netdev);
3863 cancel_delayed_work_sync(&adapter->fw_work);
3865 if (netif_running(netdev))
3866 qlcnic_down(adapter, netdev);
3868 qlcnic_detach(adapter);
3869 qlcnic_teardown_intr(adapter);
3871 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3873 pci_save_state(pdev);
3874 pci_disable_device(pdev);
3876 return PCI_ERS_RESULT_NEED_RESET;
3879 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3881 pci_ers_result_t res;
3884 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3885 PCI_ERS_RESULT_RECOVERED;
3891 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3894 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3896 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3897 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3899 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3903 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3904 pci_channel_state_t state)
3906 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3907 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3909 if (hw_ops->io_error_detected) {
3910 return hw_ops->io_error_detected(pdev, state);
3912 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3913 return PCI_ERS_RESULT_DISCONNECT;
3917 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3919 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3920 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3922 if (hw_ops->io_slot_reset) {
3923 return hw_ops->io_slot_reset(pdev);
3925 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3926 return PCI_ERS_RESULT_DISCONNECT;
3930 static void qlcnic_io_resume(struct pci_dev *pdev)
3932 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3933 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3935 if (hw_ops->io_resume)
3936 hw_ops->io_resume(pdev);
3938 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3943 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3947 err = qlcnic_can_start_firmware(adapter);
3951 err = qlcnic_check_npar_opertional(adapter);
3955 err = qlcnic_initialize_nic(adapter);
3959 qlcnic_check_options(adapter);
3961 err = qlcnic_set_eswitch_port_config(adapter);
3965 adapter->need_fw_reset = 0;
3970 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3973 struct net_device *netdev = adapter->netdev;
3976 if (queue_type == QLCNIC_RX_QUEUE)
3981 if (!is_power_of_2(ring_cnt)) {
3982 netdev_err(netdev, "%s rings value should be a power of 2\n",
3987 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3988 !qlcnic_check_multi_tx(adapter)) {
3989 netdev_err(netdev, "No Multi Tx queue support\n");
3993 if (ring_cnt > num_online_cpus()) {
3995 "%s value[%u] should not be higher than, number of online CPUs\n",
3996 buf, num_online_cpus());
4003 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
4005 struct net_device *netdev = adapter->netdev;
4006 u8 tx_rings, rx_rings;
4009 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
4012 tx_rings = adapter->drv_tss_rings;
4013 rx_rings = adapter->drv_rss_rings;
4015 netif_device_detach(netdev);
4017 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
4021 if (netif_running(netdev))
4022 __qlcnic_down(adapter, netdev);
4024 qlcnic_detach(adapter);
4026 if (qlcnic_83xx_check(adapter)) {
4027 qlcnic_83xx_free_mbx_intr(adapter);
4028 qlcnic_83xx_enable_mbx_poll(adapter);
4031 qlcnic_teardown_intr(adapter);
4033 err = qlcnic_setup_intr(adapter);
4035 kfree(adapter->msix_entries);
4036 netdev_err(netdev, "failed to setup interrupt\n");
4040 /* Check if we need to update real_num_{tx|rx}_queues because
4041 * qlcnic_setup_intr() may change Tx/Rx rings size
4043 if ((tx_rings != adapter->drv_tx_rings) ||
4044 (rx_rings != adapter->drv_sds_rings)) {
4045 err = qlcnic_set_real_num_queues(adapter,
4046 adapter->drv_tx_rings,
4047 adapter->drv_sds_rings);
4052 if (qlcnic_83xx_check(adapter)) {
4053 qlcnic_83xx_initialize_nic(adapter, 1);
4054 err = qlcnic_83xx_setup_mbx_intr(adapter);
4055 qlcnic_83xx_disable_mbx_poll(adapter);
4057 dev_err(&adapter->pdev->dev,
4058 "failed to setup mbx interrupt\n");
4063 if (netif_running(netdev)) {
4064 err = qlcnic_attach(adapter);
4067 err = __qlcnic_up(adapter, netdev);
4070 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4073 netif_device_attach(netdev);
4074 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4080 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4083 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4084 struct net_device *dev, unsigned long event)
4086 const struct in_ifaddr *ifa;
4087 struct in_device *indev;
4089 indev = in_dev_get(dev);
4093 in_dev_for_each_ifa_rtnl(ifa, indev) {
4096 qlcnic_config_ipaddr(adapter,
4097 ifa->ifa_address, QLCNIC_IP_UP);
4100 qlcnic_config_ipaddr(adapter,
4101 ifa->ifa_address, QLCNIC_IP_DOWN);
4111 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4113 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4114 struct net_device *dev;
4117 qlcnic_config_indev_addr(adapter, netdev, event);
4120 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4121 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
4124 qlcnic_config_indev_addr(adapter, dev, event);
4129 static int qlcnic_netdev_event(struct notifier_block *this,
4130 unsigned long event, void *ptr)
4132 struct qlcnic_adapter *adapter;
4133 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4139 if (is_vlan_dev(dev)) {
4140 dev = vlan_dev_real_dev(dev);
4144 if (!is_qlcnic_netdev(dev))
4147 adapter = netdev_priv(dev);
4152 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4155 qlcnic_config_indev_addr(adapter, dev, event);
4161 qlcnic_inetaddr_event(struct notifier_block *this,
4162 unsigned long event, void *ptr)
4164 struct qlcnic_adapter *adapter;
4165 struct net_device *dev;
4167 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4169 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4175 if (is_vlan_dev(dev)) {
4176 dev = vlan_dev_real_dev(dev);
4180 if (!is_qlcnic_netdev(dev))
4183 adapter = netdev_priv(dev);
4188 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4193 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4197 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4208 static struct notifier_block qlcnic_netdev_cb = {
4209 .notifier_call = qlcnic_netdev_event,
4212 static struct notifier_block qlcnic_inetaddr_cb = {
4213 .notifier_call = qlcnic_inetaddr_event,
4216 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4219 static const struct pci_error_handlers qlcnic_err_handler = {
4220 .error_detected = qlcnic_io_error_detected,
4221 .slot_reset = qlcnic_io_slot_reset,
4222 .resume = qlcnic_io_resume,
4225 static SIMPLE_DEV_PM_OPS(qlcnic_pm_ops, qlcnic_suspend, qlcnic_resume);
4227 static struct pci_driver qlcnic_driver = {
4228 .name = qlcnic_driver_name,
4229 .id_table = qlcnic_pci_tbl,
4230 .probe = qlcnic_probe,
4231 .remove = qlcnic_remove,
4232 .driver.pm = &qlcnic_pm_ops,
4233 .shutdown = qlcnic_shutdown,
4234 .err_handler = &qlcnic_err_handler,
4235 #ifdef CONFIG_QLCNIC_SRIOV
4236 .sriov_configure = qlcnic_pci_sriov_configure,
4241 static int __init qlcnic_init_module(void)
4245 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4248 register_netdevice_notifier(&qlcnic_netdev_cb);
4249 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4252 ret = pci_register_driver(&qlcnic_driver);
4255 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4256 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4263 module_init(qlcnic_init_module);
4265 static void __exit qlcnic_exit_module(void)
4267 pci_unregister_driver(&qlcnic_driver);
4270 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4271 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4275 module_exit(qlcnic_exit_module);