2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2013 QLogic Corporation
5 * See LICENSE.qlcnic for copyright and licensing details.
8 #include <linux/vmalloc.h>
9 #include <linux/interrupt.h>
12 #include "qlcnic_sriov.h"
13 #include "qlcnic_hw.h"
15 #include <linux/swab.h>
16 #include <linux/dma-mapping.h>
17 #include <linux/if_vlan.h>
19 #include <linux/ipv6.h>
20 #include <linux/inetdevice.h>
21 #include <linux/aer.h>
22 #include <linux/log2.h>
23 #include <linux/pci.h>
24 #ifdef CONFIG_QLCNIC_VXLAN
25 #include <net/vxlan.h>
28 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
29 MODULE_LICENSE("GPL");
30 MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
31 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
33 char qlcnic_driver_name[] = "qlcnic";
34 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
35 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
37 static int qlcnic_mac_learn;
38 module_param(qlcnic_mac_learn, int, 0444);
39 MODULE_PARM_DESC(qlcnic_mac_learn,
40 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
42 int qlcnic_use_msi = 1;
43 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
44 module_param_named(use_msi, qlcnic_use_msi, int, 0444);
46 int qlcnic_use_msi_x = 1;
47 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
48 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
50 int qlcnic_auto_fw_reset = 1;
51 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
52 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
54 int qlcnic_load_fw_file;
55 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)");
56 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
58 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
59 static void qlcnic_remove(struct pci_dev *pdev);
60 static int qlcnic_open(struct net_device *netdev);
61 static int qlcnic_close(struct net_device *netdev);
62 static void qlcnic_tx_timeout(struct net_device *netdev);
63 static void qlcnic_attach_work(struct work_struct *work);
64 static void qlcnic_fwinit_work(struct work_struct *work);
65 #ifdef CONFIG_NET_POLL_CONTROLLER
66 static void qlcnic_poll_controller(struct net_device *netdev);
69 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
70 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
72 static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
73 static irqreturn_t qlcnic_intr(int irq, void *data);
74 static irqreturn_t qlcnic_msi_intr(int irq, void *data);
75 static irqreturn_t qlcnic_msix_intr(int irq, void *data);
76 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
78 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
79 static int qlcnic_start_firmware(struct qlcnic_adapter *);
81 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
82 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
83 static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
84 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
85 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
87 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
88 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
89 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
90 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
91 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
92 static void qlcnic_82xx_io_resume(struct pci_dev *);
93 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
94 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
96 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
98 struct qlcnic_hardware_context *ahw = adapter->ahw;
100 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
101 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
106 /* PCI Device ID Table */
107 #define ENTRY(device) \
108 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
109 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
111 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
113 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
114 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
115 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
116 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
120 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
123 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
125 writel(tx_ring->producer, tx_ring->crb_cmd_producer);
128 static const u32 msi_tgt_status[8] = {
129 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
130 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
131 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
132 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
135 static const u32 qlcnic_reg_tbl[] = {
136 0x1B20A8, /* PEG_HALT_STAT1 */
137 0x1B20AC, /* PEG_HALT_STAT2 */
138 0x1B20B0, /* FW_HEARTBEAT */
139 0x1B2100, /* LOCK ID */
140 0x1B2128, /* FW_CAPABILITIES */
141 0x1B2138, /* drv active */
142 0x1B2140, /* dev state */
143 0x1B2144, /* drv state */
144 0x1B2148, /* drv scratch */
145 0x1B214C, /* dev partition info */
146 0x1B2174, /* drv idc ver */
147 0x1B2150, /* fw version major */
148 0x1B2154, /* fw version minor */
149 0x1B2158, /* fw version sub */
150 0x1B219C, /* npar state */
151 0x1B21FC, /* FW_IMG_VALID */
152 0x1B2250, /* CMD_PEG_STATE */
153 0x1B233C, /* RCV_PEG_STATE */
154 0x1B23B4, /* ASIC TEMP */
155 0x1B216C, /* FW api */
156 0x1B2170, /* drv op mode */
157 0x13C010, /* flash lock */
158 0x13C014, /* flash unlock */
161 static const struct qlcnic_board_info qlcnic_boards[] = {
162 { PCI_VENDOR_ID_QLOGIC,
163 PCI_DEVICE_ID_QLOGIC_QLE844X,
166 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
167 { PCI_VENDOR_ID_QLOGIC,
168 PCI_DEVICE_ID_QLOGIC_QLE834X,
169 PCI_VENDOR_ID_QLOGIC,
171 "8300 Series Dual Port 10GbE Converged Network Adapter "
172 "(TCP/IP Networking)" },
173 { PCI_VENDOR_ID_QLOGIC,
174 PCI_DEVICE_ID_QLOGIC_QLE834X,
175 PCI_VENDOR_ID_QLOGIC,
177 "8300 Series Single Port 10GbE Converged Network Adapter "
178 "(TCP/IP Networking)" },
179 { PCI_VENDOR_ID_QLOGIC,
180 PCI_DEVICE_ID_QLOGIC_QLE834X,
181 PCI_VENDOR_ID_QLOGIC,
183 "8300 Series Dual Port 10GbE Converged Network Adapter "
184 "(TCP/IP Networking)" },
185 { PCI_VENDOR_ID_QLOGIC,
186 PCI_DEVICE_ID_QLOGIC_QLE834X,
187 PCI_VENDOR_ID_QLOGIC,
189 "8300 Series Dual Port 10GbE Converged Network Adapter "
190 "(TCP/IP Networking)" },
191 { PCI_VENDOR_ID_QLOGIC,
192 PCI_DEVICE_ID_QLOGIC_QLE834X,
193 PCI_VENDOR_ID_QLOGIC,
195 "8300 Series Dual Port 10GbE Converged Network Adapter "
196 "(TCP/IP Networking)" },
197 { PCI_VENDOR_ID_QLOGIC,
198 PCI_DEVICE_ID_QLOGIC_QLE834X,
199 PCI_VENDOR_ID_QLOGIC,
201 "8300 Series Dual Port 10GbE Converged Network Adapter "
202 "(TCP/IP Networking)" },
203 { PCI_VENDOR_ID_QLOGIC,
204 PCI_DEVICE_ID_QLOGIC_QLE834X,
205 PCI_VENDOR_ID_QLOGIC,
207 "8300 Series Dual Port 10GbE Converged Network Adapter "
208 "(TCP/IP Networking)" },
209 { PCI_VENDOR_ID_QLOGIC,
210 PCI_DEVICE_ID_QLOGIC_QLE834X,
211 PCI_VENDOR_ID_QLOGIC,
213 "8300 Series Single Port 10GbE Converged Network Adapter "
214 "(TCP/IP Networking)" },
215 { PCI_VENDOR_ID_QLOGIC,
216 PCI_DEVICE_ID_QLOGIC_QLE834X,
217 PCI_VENDOR_ID_QLOGIC,
219 "8300 Series Dual Port 10GbE Converged Network Adapter "
220 "(TCP/IP Networking)" },
221 { PCI_VENDOR_ID_QLOGIC,
222 PCI_DEVICE_ID_QLOGIC_QLE834X,
223 PCI_VENDOR_ID_QLOGIC,
225 "8300 Series Dual Port 10GbE Converged Network Adapter "
226 "(TCP/IP Networking)" },
227 { PCI_VENDOR_ID_QLOGIC,
228 PCI_DEVICE_ID_QLOGIC_QLE834X,
229 0x0, 0x0, "8300 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 if (recv_ctx->sds_rings != NULL)
292 kfree(recv_ctx->sds_rings);
294 recv_ctx->sds_rings = NULL;
297 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
299 struct net_device *netdev = adapter->netdev;
300 struct pci_dev *pdev = adapter->pdev;
301 u8 mac_addr[ETH_ALEN];
304 ret = qlcnic_get_mac_address(adapter, mac_addr,
305 adapter->ahw->pci_func);
309 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
310 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
312 /* set station address */
314 if (!is_valid_ether_addr(netdev->dev_addr))
315 dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
321 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
323 struct qlcnic_mac_vlan_list *cur;
324 struct list_head *head;
326 list_for_each(head, &adapter->mac_list) {
327 cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
328 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
329 qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
331 list_del(&cur->list);
338 static int qlcnic_set_mac(struct net_device *netdev, void *p)
340 struct qlcnic_adapter *adapter = netdev_priv(netdev);
341 struct sockaddr *addr = p;
343 if (qlcnic_sriov_vf_check(adapter))
346 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
349 if (!is_valid_ether_addr(addr->sa_data))
352 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
355 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
356 netif_device_detach(netdev);
357 qlcnic_napi_disable(adapter);
360 qlcnic_delete_adapter_mac(adapter);
361 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
362 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
363 qlcnic_set_multi(adapter->netdev);
365 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
366 netif_device_attach(netdev);
367 qlcnic_napi_enable(adapter);
372 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
373 struct net_device *netdev, const unsigned char *addr)
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);
381 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
382 if (is_unicast_ether_addr(addr)) {
383 err = dev_uc_del(netdev, addr);
385 err = qlcnic_nic_del_mac(adapter, addr);
386 } else if (is_multicast_ether_addr(addr)) {
387 err = dev_mc_del(netdev, addr);
395 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
396 struct net_device *netdev,
397 const unsigned char *addr, u16 flags)
399 struct qlcnic_adapter *adapter = netdev_priv(netdev);
402 if (!adapter->fdb_mac_learn)
403 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags);
405 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
406 pr_info("%s: FDB e-switch is not enabled\n", __func__);
410 if (ether_addr_equal(addr, adapter->mac_addr))
413 if (is_unicast_ether_addr(addr)) {
414 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
415 err = dev_uc_add_excl(netdev, addr);
418 } else if (is_multicast_ether_addr(addr)) {
419 err = dev_mc_add_excl(netdev, addr);
427 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
428 struct net_device *netdev, int idx)
430 struct qlcnic_adapter *adapter = netdev_priv(netdev);
432 if (!adapter->fdb_mac_learn)
433 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
435 if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
436 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx);
441 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
443 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
444 usleep_range(10000, 11000);
446 if (!adapter->fw_work.work.func)
449 cancel_delayed_work_sync(&adapter->fw_work);
452 static int qlcnic_get_phys_port_id(struct net_device *netdev,
453 struct netdev_phys_port_id *ppid)
455 struct qlcnic_adapter *adapter = netdev_priv(netdev);
456 struct qlcnic_hardware_context *ahw = adapter->ahw;
458 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
461 ppid->id_len = sizeof(ahw->phys_port_id);
462 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
467 #ifdef CONFIG_QLCNIC_VXLAN
468 static void qlcnic_add_vxlan_port(struct net_device *netdev,
469 sa_family_t sa_family, __be16 port)
471 struct qlcnic_adapter *adapter = netdev_priv(netdev);
472 struct qlcnic_hardware_context *ahw = adapter->ahw;
474 /* Adapter supports only one VXLAN port. Use very first port
475 * for enabling offload
477 if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
480 ahw->vxlan_port = ntohs(port);
481 adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
484 static void qlcnic_del_vxlan_port(struct net_device *netdev,
485 sa_family_t sa_family, __be16 port)
487 struct qlcnic_adapter *adapter = netdev_priv(netdev);
488 struct qlcnic_hardware_context *ahw = adapter->ahw;
490 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
491 (ahw->vxlan_port != ntohs(port)))
494 adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
498 static const struct net_device_ops qlcnic_netdev_ops = {
499 .ndo_open = qlcnic_open,
500 .ndo_stop = qlcnic_close,
501 .ndo_start_xmit = qlcnic_xmit_frame,
502 .ndo_get_stats = qlcnic_get_stats,
503 .ndo_validate_addr = eth_validate_addr,
504 .ndo_set_rx_mode = qlcnic_set_multi,
505 .ndo_set_mac_address = qlcnic_set_mac,
506 .ndo_change_mtu = qlcnic_change_mtu,
507 .ndo_fix_features = qlcnic_fix_features,
508 .ndo_set_features = qlcnic_set_features,
509 .ndo_tx_timeout = qlcnic_tx_timeout,
510 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
511 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
512 .ndo_fdb_add = qlcnic_fdb_add,
513 .ndo_fdb_del = qlcnic_fdb_del,
514 .ndo_fdb_dump = qlcnic_fdb_dump,
515 .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
516 #ifdef CONFIG_QLCNIC_VXLAN
517 .ndo_add_vxlan_port = qlcnic_add_vxlan_port,
518 .ndo_del_vxlan_port = qlcnic_del_vxlan_port,
520 #ifdef CONFIG_NET_POLL_CONTROLLER
521 .ndo_poll_controller = qlcnic_poll_controller,
523 #ifdef CONFIG_QLCNIC_SRIOV
524 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
525 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
526 .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
527 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
528 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
532 static const struct net_device_ops qlcnic_netdev_failed_ops = {
533 .ndo_open = qlcnic_open,
536 static struct qlcnic_nic_template qlcnic_ops = {
537 .config_bridged_mode = qlcnic_config_bridged_mode,
538 .config_led = qlcnic_82xx_config_led,
539 .start_firmware = qlcnic_82xx_start_firmware,
540 .request_reset = qlcnic_82xx_dev_request_reset,
541 .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
542 .napi_add = qlcnic_82xx_napi_add,
543 .napi_del = qlcnic_82xx_napi_del,
544 .config_ipaddr = qlcnic_82xx_config_ipaddr,
545 .shutdown = qlcnic_82xx_shutdown,
546 .resume = qlcnic_82xx_resume,
547 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
550 struct qlcnic_nic_template qlcnic_vf_ops = {
551 .config_bridged_mode = qlcnicvf_config_bridged_mode,
552 .config_led = qlcnicvf_config_led,
553 .start_firmware = qlcnicvf_start_firmware
556 static struct qlcnic_hardware_ops qlcnic_hw_ops = {
557 .read_crb = qlcnic_82xx_read_crb,
558 .write_crb = qlcnic_82xx_write_crb,
559 .read_reg = qlcnic_82xx_hw_read_wx_2M,
560 .write_reg = qlcnic_82xx_hw_write_wx_2M,
561 .get_mac_address = qlcnic_82xx_get_mac_address,
562 .setup_intr = qlcnic_82xx_setup_intr,
563 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
564 .mbx_cmd = qlcnic_82xx_issue_cmd,
565 .get_func_no = qlcnic_82xx_get_func_no,
566 .api_lock = qlcnic_82xx_api_lock,
567 .api_unlock = qlcnic_82xx_api_unlock,
568 .add_sysfs = qlcnic_82xx_add_sysfs,
569 .remove_sysfs = qlcnic_82xx_remove_sysfs,
570 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
571 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
572 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
573 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
574 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
575 .setup_link_event = qlcnic_82xx_linkevent_request,
576 .get_nic_info = qlcnic_82xx_get_nic_info,
577 .get_pci_info = qlcnic_82xx_get_pci_info,
578 .set_nic_info = qlcnic_82xx_set_nic_info,
579 .change_macvlan = qlcnic_82xx_sre_macaddr_change,
580 .napi_enable = qlcnic_82xx_napi_enable,
581 .napi_disable = qlcnic_82xx_napi_disable,
582 .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
583 .config_rss = qlcnic_82xx_config_rss,
584 .config_hw_lro = qlcnic_82xx_config_hw_lro,
585 .config_loopback = qlcnic_82xx_set_lb_mode,
586 .clear_loopback = qlcnic_82xx_clear_lb_mode,
587 .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
588 .change_l2_filter = qlcnic_82xx_change_filter,
589 .get_board_info = qlcnic_82xx_get_board_info,
590 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
591 .free_mac_list = qlcnic_82xx_free_mac_list,
592 .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
593 .io_error_detected = qlcnic_82xx_io_error_detected,
594 .io_slot_reset = qlcnic_82xx_io_slot_reset,
595 .io_resume = qlcnic_82xx_io_resume,
596 .get_beacon_state = qlcnic_82xx_get_beacon_state,
597 .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
598 .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
599 .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
600 .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
601 .get_saved_state = qlcnic_82xx_get_saved_state,
602 .set_saved_state = qlcnic_82xx_set_saved_state,
603 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
604 .get_cap_size = qlcnic_82xx_get_cap_size,
605 .set_sys_info = qlcnic_82xx_set_sys_info,
606 .store_cap_mask = qlcnic_82xx_store_cap_mask,
609 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
611 struct qlcnic_hardware_context *ahw = adapter->ahw;
613 if (qlcnic_82xx_check(adapter) &&
614 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
615 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
622 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
625 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
627 if (queue_type == QLCNIC_RX_QUEUE)
628 max_rings = adapter->max_sds_rings;
629 else if (queue_type == QLCNIC_TX_QUEUE)
630 max_rings = adapter->max_tx_rings;
632 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
635 if (ring_cnt > num_rings)
641 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
643 /* 83xx adapter does not have max_tx_rings intialized in probe */
644 if (adapter->max_tx_rings)
645 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
648 adapter->drv_tx_rings = tx_cnt;
651 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
653 /* 83xx adapter does not have max_sds_rings intialized in probe */
654 if (adapter->max_sds_rings)
655 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
658 adapter->drv_sds_rings = rx_cnt;
661 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
663 struct pci_dev *pdev = adapter->pdev;
664 int num_msix = 0, err = 0, vector;
666 adapter->flags &= ~QLCNIC_TSS_RSS;
668 if (adapter->drv_tss_rings > 0)
669 num_msix += adapter->drv_tss_rings;
671 num_msix += adapter->drv_tx_rings;
673 if (adapter->drv_rss_rings > 0)
674 num_msix += adapter->drv_rss_rings;
676 num_msix += adapter->drv_sds_rings;
678 if (qlcnic_83xx_check(adapter))
681 if (!adapter->msix_entries) {
682 adapter->msix_entries = kcalloc(num_msix,
683 sizeof(struct msix_entry),
685 if (!adapter->msix_entries)
689 for (vector = 0; vector < num_msix; vector++)
690 adapter->msix_entries[vector].entry = vector;
693 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
695 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
698 netdev_info(adapter->netdev,
699 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
702 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
704 /* Set rings to 0 so we can restore original TSS/RSS count */
705 adapter->drv_tss_rings = 0;
706 adapter->drv_rss_rings = 0;
708 if (qlcnic_83xx_check(adapter))
711 netdev_info(adapter->netdev,
712 "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
713 adapter->drv_tx_rings, adapter->drv_sds_rings,
717 } else if (err < 0) {
721 adapter->ahw->num_msix = num_msix;
722 if (adapter->drv_tss_rings > 0)
723 adapter->drv_tx_rings = adapter->drv_tss_rings;
725 if (adapter->drv_rss_rings > 0)
726 adapter->drv_sds_rings = adapter->drv_rss_rings;
731 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
733 struct pci_dev *pdev = adapter->pdev;
736 if (!adapter->msix_entries) {
737 adapter->msix_entries = kcalloc(num_msix,
738 sizeof(struct msix_entry),
740 if (!adapter->msix_entries)
744 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
746 if (adapter->ahw->msix_supported) {
748 for (vector = 0; vector < num_msix; vector++)
749 adapter->msix_entries[vector].entry = vector;
751 err = pci_enable_msix_range(pdev,
752 adapter->msix_entries, 1, num_msix);
754 if (err == num_msix) {
755 adapter->flags |= QLCNIC_MSIX_ENABLED;
756 adapter->ahw->num_msix = num_msix;
757 dev_info(&pdev->dev, "using msi-x interrupts\n");
759 } else if (err > 0) {
760 pci_disable_msix(pdev);
763 "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
766 if (qlcnic_82xx_check(adapter)) {
767 num_msix = rounddown_pow_of_two(err);
768 if (err < QLCNIC_82XX_MINIMUM_VECTOR)
771 num_msix = rounddown_pow_of_two(err - 1);
773 if (err < QLCNIC_83XX_MINIMUM_VECTOR)
777 if (qlcnic_82xx_check(adapter) &&
778 !qlcnic_check_multi_tx(adapter)) {
779 adapter->drv_sds_rings = num_msix;
780 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
782 /* Distribute vectors equally */
783 adapter->drv_tx_rings = num_msix / 2;
784 adapter->drv_sds_rings = adapter->drv_tx_rings;
789 "Trying to allocate %d MSI-X interrupt vectors\n",
795 "Unable to allocate %d MSI-X vectors, err=%d\n",
804 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
808 num_msix = adapter->drv_sds_rings;
810 if (qlcnic_check_multi_tx(adapter))
811 num_msix += adapter->drv_tx_rings;
813 num_msix += QLCNIC_SINGLE_RING;
818 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
821 u32 offset, mask_reg;
822 const struct qlcnic_legacy_intr_set *legacy_intrp;
823 struct qlcnic_hardware_context *ahw = adapter->ahw;
824 struct pci_dev *pdev = adapter->pdev;
826 if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
827 adapter->flags |= QLCNIC_MSI_ENABLED;
828 offset = msi_tgt_status[adapter->ahw->pci_func];
829 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
831 dev_info(&pdev->dev, "using msi interrupts\n");
832 adapter->msix_entries[0].vector = pdev->irq;
836 if (qlcnic_use_msi || qlcnic_use_msi_x)
839 legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
840 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
841 offset = legacy_intrp->tgt_status_reg;
842 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
843 mask_reg = legacy_intrp->tgt_mask_reg;
844 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
845 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
846 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
847 dev_info(&pdev->dev, "using legacy interrupts\n");
848 adapter->msix_entries[0].vector = pdev->irq;
852 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
854 int num_msix, err = 0;
856 if (adapter->flags & QLCNIC_TSS_RSS) {
857 err = qlcnic_setup_tss_rss_intr(adapter);
860 num_msix = adapter->ahw->num_msix;
862 num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
864 err = qlcnic_enable_msix(adapter, num_msix);
868 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
869 qlcnic_disable_multi_tx(adapter);
870 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
872 err = qlcnic_enable_msi_legacy(adapter);
881 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
883 struct qlcnic_hardware_context *ahw = adapter->ahw;
886 if (qlcnic_check_multi_tx(adapter) &&
888 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
889 ahw->intr_tbl = vzalloc(ahw->num_msix *
890 sizeof(struct qlcnic_intrpt_config));
894 for (i = 0; i < ahw->num_msix; i++) {
895 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
896 ahw->intr_tbl[i].id = i;
897 ahw->intr_tbl[i].src = 0;
900 err = qlcnic_82xx_config_intrpt(adapter, 1);
902 dev_err(&adapter->pdev->dev,
903 "Failed to configure Interrupt for %d vector\n",
911 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
913 if (adapter->flags & QLCNIC_MSIX_ENABLED)
914 pci_disable_msix(adapter->pdev);
915 if (adapter->flags & QLCNIC_MSI_ENABLED)
916 pci_disable_msi(adapter->pdev);
918 kfree(adapter->msix_entries);
919 adapter->msix_entries = NULL;
921 if (adapter->ahw->intr_tbl) {
922 vfree(adapter->ahw->intr_tbl);
923 adapter->ahw->intr_tbl = NULL;
927 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
929 if (ahw->pci_base0 != NULL)
930 iounmap(ahw->pci_base0);
933 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
935 struct qlcnic_hardware_context *ahw = adapter->ahw;
936 struct qlcnic_pci_info *pci_info;
939 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
940 switch (ahw->port_type) {
942 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
945 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
951 if (ahw->op_mode == QLCNIC_MGMT_FUNC)
954 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
958 ret = qlcnic_get_pci_info(adapter, pci_info);
963 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
967 if (qlcnic_84xx_check(adapter)) {
969 } else if (qlcnic_83xx_check(adapter)) {
970 if (adapter->ahw->extra_capability[0] &
971 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
980 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
982 struct qlcnic_hardware_context *ahw = adapter->ahw;
983 struct qlcnic_pci_info *pci_info;
984 int i, id = 0, ret = 0, j = 0;
988 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
992 ret = qlcnic_get_pci_info(adapter, pci_info);
996 act_pci_func = ahw->total_nic_func;
998 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
999 act_pci_func, GFP_KERNEL);
1000 if (!adapter->npars) {
1005 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
1006 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
1007 if (!adapter->eswitch) {
1012 for (i = 0; i < ahw->max_vnic_func; i++) {
1013 pfn = pci_info[i].id;
1015 if (pfn >= ahw->max_vnic_func) {
1016 ret = QL_STATUS_INVALID_PARAM;
1020 if (!pci_info[i].active ||
1021 (pci_info[i].type != QLCNIC_TYPE_NIC))
1024 if (qlcnic_port_eswitch_cfg_capability(adapter)) {
1025 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
1027 adapter->npars[j].eswitch_status = true;
1031 adapter->npars[j].eswitch_status = true;
1034 adapter->npars[j].pci_func = pfn;
1035 adapter->npars[j].active = (u8)pci_info[i].active;
1036 adapter->npars[j].type = (u8)pci_info[i].type;
1037 adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
1038 adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
1039 adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
1041 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
1045 /* Update eSwitch status for adapters without per port eSwitch
1046 * configuration capability
1048 if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
1049 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
1050 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
1057 kfree(adapter->eswitch);
1058 adapter->eswitch = NULL;
1060 kfree(adapter->npars);
1061 adapter->npars = NULL;
1069 qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
1073 u32 data = QLCNIC_MGMT_FUNC;
1074 struct qlcnic_hardware_context *ahw = adapter->ahw;
1076 ret = qlcnic_api_lock(adapter);
1081 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1082 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
1083 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
1084 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
1085 qlcnic_api_unlock(adapter);
1090 static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
1091 const struct pci_device_id *ent)
1093 u32 op_mode, priv_level;
1095 /* Determine FW API version */
1096 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
1099 /* Find PCI function number */
1100 qlcnic_get_func_no(adapter);
1102 /* Determine function privilege level */
1103 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1104 if (op_mode == QLC_DEV_DRV_DEFAULT)
1105 priv_level = QLCNIC_MGMT_FUNC;
1107 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1109 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
1110 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
1111 dev_info(&adapter->pdev->dev,
1112 "HAL Version: %d Non Privileged function\n",
1113 adapter->ahw->fw_hal_version);
1114 adapter->nic_ops = &qlcnic_vf_ops;
1116 adapter->nic_ops = &qlcnic_ops;
1119 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
1120 #define QLCNIC_83XX_BAR0_LENGTH 0x4000
1121 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
1124 case PCI_DEVICE_ID_QLOGIC_QLE824X:
1125 *bar = QLCNIC_82XX_BAR0_LENGTH;
1127 case PCI_DEVICE_ID_QLOGIC_QLE834X:
1128 case PCI_DEVICE_ID_QLOGIC_QLE844X:
1129 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
1130 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
1131 *bar = QLCNIC_83XX_BAR0_LENGTH;
1138 static int qlcnic_setup_pci_map(struct pci_dev *pdev,
1139 struct qlcnic_hardware_context *ahw)
1142 void __iomem *mem_ptr0 = NULL;
1143 unsigned long mem_len, pci_len0 = 0, bar0_len;
1145 /* remap phys address */
1146 mem_len = pci_resource_len(pdev, 0);
1148 qlcnic_get_bar_length(pdev->device, &bar0_len);
1149 if (mem_len >= bar0_len) {
1151 mem_ptr0 = pci_ioremap_bar(pdev, 0);
1152 if (mem_ptr0 == NULL) {
1153 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
1161 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
1163 ahw->pci_base0 = mem_ptr0;
1164 ahw->pci_len0 = pci_len0;
1165 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
1166 qlcnic_get_ioaddr(ahw, offset);
1171 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
1174 struct pci_dev *pdev = adapter->pdev;
1175 unsigned short subsystem_vendor;
1178 subsystem_vendor = pdev->subsystem_vendor;
1180 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
1181 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
1182 if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
1183 qlcnic_boards[index].sub_device == pdev->subsystem_device)
1192 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
1194 struct pci_dev *pdev = adapter->pdev;
1197 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
1198 if (qlcnic_boards[i].vendor == pdev->vendor &&
1199 qlcnic_boards[i].device == pdev->device &&
1200 qlcnic_validate_subsystem_id(adapter, i)) {
1207 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
1209 sprintf(name, "%pM: %s" , adapter->mac_addr,
1210 qlcnic_boards[i].short_name);
1214 qlcnic_check_options(struct qlcnic_adapter *adapter)
1217 u32 fw_major, fw_minor, fw_build, prev_fw_version;
1218 struct pci_dev *pdev = adapter->pdev;
1219 struct qlcnic_hardware_context *ahw = adapter->ahw;
1220 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
1222 prev_fw_version = adapter->fw_version;
1224 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
1225 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
1226 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
1228 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
1230 err = qlcnic_get_board_info(adapter);
1232 dev_err(&pdev->dev, "Error getting board config info.\n");
1235 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
1236 if (fw_dump->tmpl_hdr == NULL ||
1237 adapter->fw_version > prev_fw_version) {
1238 if (fw_dump->tmpl_hdr)
1239 vfree(fw_dump->tmpl_hdr);
1240 if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
1241 dev_info(&pdev->dev,
1242 "Supports FW dump capability\n");
1246 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
1247 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
1249 if (adapter->ahw->port_type == QLCNIC_XGBE) {
1250 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1251 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
1252 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
1254 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
1255 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
1258 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1259 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
1261 } else if (adapter->ahw->port_type == QLCNIC_GBE) {
1262 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
1263 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1264 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
1265 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
1268 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
1270 adapter->num_txd = MAX_CMD_DESCRIPTORS;
1272 adapter->max_rds_rings = MAX_RDS_RINGS;
1276 qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
1278 struct qlcnic_info nic_info;
1281 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1282 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
1286 adapter->ahw->physical_port = (u8)nic_info.phys_port;
1287 adapter->ahw->switch_mode = nic_info.switch_mode;
1288 adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
1289 adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
1290 adapter->ahw->capabilities = nic_info.capabilities;
1292 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
1294 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
1297 adapter->ahw->extra_capability[0] = temp;
1299 adapter->ahw->extra_capability[0] = 0;
1302 adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
1303 adapter->ahw->max_mtu = nic_info.max_mtu;
1305 if (adapter->ahw->capabilities & BIT_6) {
1306 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
1307 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
1308 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
1309 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
1311 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
1313 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1314 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
1315 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
1316 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
1322 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
1323 struct qlcnic_esw_func_cfg *esw_cfg)
1325 if (esw_cfg->discard_tagged)
1326 adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
1328 adapter->flags |= QLCNIC_TAGGING_ENABLED;
1330 if (esw_cfg->vlan_id) {
1331 adapter->rx_pvid = esw_cfg->vlan_id;
1332 adapter->tx_pvid = esw_cfg->vlan_id;
1334 adapter->rx_pvid = 0;
1335 adapter->tx_pvid = 0;
1340 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
1342 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1345 if (qlcnic_sriov_vf_check(adapter)) {
1346 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
1349 "Cannot add VLAN filter for VLAN id %d, err=%d",
1355 set_bit(vid, adapter->vlans);
1360 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
1362 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1365 if (qlcnic_sriov_vf_check(adapter)) {
1366 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
1369 "Cannot delete VLAN filter for VLAN id %d, err=%d",
1375 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
1376 clear_bit(vid, adapter->vlans);
1380 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
1381 struct qlcnic_esw_func_cfg *esw_cfg)
1383 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
1384 QLCNIC_PROMISC_DISABLED);
1386 if (esw_cfg->mac_anti_spoof)
1387 adapter->flags |= QLCNIC_MACSPOOF;
1389 if (!esw_cfg->mac_override)
1390 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
1392 if (!esw_cfg->promisc_mode)
1393 adapter->flags |= QLCNIC_PROMISC_DISABLED;
1396 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
1398 struct qlcnic_esw_func_cfg esw_cfg;
1400 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1403 esw_cfg.pci_func = adapter->ahw->pci_func;
1404 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
1406 qlcnic_set_vlan_config(adapter, &esw_cfg);
1407 qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
1408 qlcnic_set_netdev_features(adapter, &esw_cfg);
1413 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
1414 struct qlcnic_esw_func_cfg *esw_cfg)
1416 struct net_device *netdev = adapter->netdev;
1418 if (qlcnic_83xx_check(adapter))
1421 adapter->offload_flags = esw_cfg->offload_flags;
1422 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
1423 netdev_update_features(netdev);
1424 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
1428 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
1430 u32 op_mode, priv_level;
1433 err = qlcnic_initialize_nic(adapter);
1437 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
1440 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
1441 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1443 if (op_mode == QLC_DEV_DRV_DEFAULT)
1444 priv_level = QLCNIC_MGMT_FUNC;
1446 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
1448 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
1449 if (priv_level == QLCNIC_MGMT_FUNC) {
1450 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
1451 err = qlcnic_init_pci_info(adapter);
1454 /* Set privilege level for other functions */
1455 qlcnic_set_function_modes(adapter);
1456 dev_info(&adapter->pdev->dev,
1457 "HAL Version: %d, Management function\n",
1458 adapter->ahw->fw_hal_version);
1459 } else if (priv_level == QLCNIC_PRIV_FUNC) {
1460 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
1461 dev_info(&adapter->pdev->dev,
1462 "HAL Version: %d, Privileged function\n",
1463 adapter->ahw->fw_hal_version);
1466 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
1469 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
1474 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
1476 struct qlcnic_esw_func_cfg esw_cfg;
1477 struct qlcnic_npar_info *npar;
1480 if (adapter->need_fw_reset)
1483 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1484 if (!adapter->npars[i].eswitch_status)
1487 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
1488 esw_cfg.pci_func = adapter->npars[i].pci_func;
1489 esw_cfg.mac_override = BIT_0;
1490 esw_cfg.promisc_mode = BIT_0;
1491 if (qlcnic_82xx_check(adapter)) {
1492 esw_cfg.offload_flags = BIT_0;
1493 if (QLCNIC_IS_TSO_CAPABLE(adapter))
1494 esw_cfg.offload_flags |= (BIT_1 | BIT_2);
1496 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1498 npar = &adapter->npars[i];
1499 npar->pvid = esw_cfg.vlan_id;
1500 npar->mac_override = esw_cfg.mac_override;
1501 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
1502 npar->discard_tagged = esw_cfg.discard_tagged;
1503 npar->promisc_mode = esw_cfg.promisc_mode;
1504 npar->offload_flags = esw_cfg.offload_flags;
1512 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
1513 struct qlcnic_npar_info *npar, int pci_func)
1515 struct qlcnic_esw_func_cfg esw_cfg;
1516 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
1517 esw_cfg.pci_func = pci_func;
1518 esw_cfg.vlan_id = npar->pvid;
1519 esw_cfg.mac_override = npar->mac_override;
1520 esw_cfg.discard_tagged = npar->discard_tagged;
1521 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
1522 esw_cfg.offload_flags = npar->offload_flags;
1523 esw_cfg.promisc_mode = npar->promisc_mode;
1524 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1527 esw_cfg.op_mode = QLCNIC_ADD_VLAN;
1528 if (qlcnic_config_switch_port(adapter, &esw_cfg))
1534 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
1537 struct qlcnic_npar_info *npar;
1538 struct qlcnic_info nic_info;
1541 if (qlcnic_82xx_check(adapter))
1542 if (!adapter->need_fw_reset)
1545 /* Set the NPAR config data after FW reset */
1546 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1547 npar = &adapter->npars[i];
1548 pci_func = npar->pci_func;
1549 if (!adapter->npars[i].eswitch_status)
1552 memset(&nic_info, 0, sizeof(struct qlcnic_info));
1553 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
1556 nic_info.min_tx_bw = npar->min_bw;
1557 nic_info.max_tx_bw = npar->max_bw;
1558 err = qlcnic_set_nic_info(adapter, &nic_info);
1562 if (npar->enable_pm) {
1563 err = qlcnic_config_port_mirroring(adapter,
1569 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
1576 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
1578 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
1581 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
1584 npar_state = QLC_SHARED_REG_RD32(adapter,
1585 QLCNIC_CRB_DEV_NPAR_STATE);
1586 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
1588 npar_state = QLC_SHARED_REG_RD32(adapter,
1589 QLCNIC_CRB_DEV_NPAR_STATE);
1591 if (!npar_opt_timeo) {
1592 dev_err(&adapter->pdev->dev,
1593 "Waiting for NPAR state to operational timeout\n");
1600 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
1604 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
1605 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1608 err = qlcnic_set_default_offload_settings(adapter);
1612 err = qlcnic_reset_npar_config(adapter);
1616 qlcnic_dev_set_npar_ready(adapter);
1621 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
1625 err = qlcnic_can_start_firmware(adapter);
1629 goto check_fw_status;
1631 if (qlcnic_load_fw_file)
1632 qlcnic_request_firmware(adapter);
1634 err = qlcnic_check_flash_fw_ver(adapter);
1638 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
1641 err = qlcnic_need_fw_reset(adapter);
1643 goto check_fw_status;
1645 err = qlcnic_pinit_from_rom(adapter);
1649 err = qlcnic_load_firmware(adapter);
1653 qlcnic_release_firmware(adapter);
1654 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
1657 err = qlcnic_check_fw_status(adapter);
1661 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
1662 qlcnic_idc_debug_info(adapter, 1);
1663 err = qlcnic_check_eswitch_mode(adapter);
1665 dev_err(&adapter->pdev->dev,
1666 "Memory allocation failed for eswitch\n");
1669 err = qlcnic_set_mgmt_operations(adapter);
1673 qlcnic_check_options(adapter);
1674 adapter->need_fw_reset = 0;
1676 qlcnic_release_firmware(adapter);
1680 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
1681 dev_err(&adapter->pdev->dev, "Device state set to failed\n");
1683 qlcnic_release_firmware(adapter);
1688 qlcnic_request_irq(struct qlcnic_adapter *adapter)
1690 irq_handler_t handler;
1691 struct qlcnic_host_sds_ring *sds_ring;
1692 struct qlcnic_host_tx_ring *tx_ring;
1693 int err, ring, num_sds_rings;
1695 unsigned long flags = 0;
1696 struct net_device *netdev = adapter->netdev;
1697 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1699 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1700 if (qlcnic_82xx_check(adapter))
1701 handler = qlcnic_tmp_intr;
1703 handler = qlcnic_83xx_tmp_intr;
1704 if (!QLCNIC_IS_MSI_FAMILY(adapter))
1705 flags |= IRQF_SHARED;
1708 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1709 handler = qlcnic_msix_intr;
1710 else if (adapter->flags & QLCNIC_MSI_ENABLED)
1711 handler = qlcnic_msi_intr;
1713 flags |= IRQF_SHARED;
1714 if (qlcnic_82xx_check(adapter))
1715 handler = qlcnic_intr;
1717 handler = qlcnic_83xx_intr;
1720 adapter->irq = netdev->irq;
1722 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1723 if (qlcnic_82xx_check(adapter) ||
1724 (qlcnic_83xx_check(adapter) &&
1725 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1726 num_sds_rings = adapter->drv_sds_rings;
1727 for (ring = 0; ring < num_sds_rings; ring++) {
1728 sds_ring = &recv_ctx->sds_rings[ring];
1729 if (qlcnic_82xx_check(adapter) &&
1730 !qlcnic_check_multi_tx(adapter) &&
1731 (ring == (num_sds_rings - 1))) {
1732 if (!(adapter->flags &
1733 QLCNIC_MSIX_ENABLED))
1734 snprintf(sds_ring->name,
1735 sizeof(sds_ring->name),
1738 snprintf(sds_ring->name,
1739 sizeof(sds_ring->name),
1741 netdev->name, ring);
1743 snprintf(sds_ring->name,
1744 sizeof(sds_ring->name),
1746 netdev->name, ring);
1748 err = request_irq(sds_ring->irq, handler, flags,
1749 sds_ring->name, sds_ring);
1754 if ((qlcnic_82xx_check(adapter) &&
1755 qlcnic_check_multi_tx(adapter)) ||
1756 (qlcnic_83xx_check(adapter) &&
1757 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
1758 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
1759 handler = qlcnic_msix_tx_intr;
1760 for (ring = 0; ring < adapter->drv_tx_rings;
1762 tx_ring = &adapter->tx_ring[ring];
1763 snprintf(tx_ring->name, sizeof(tx_ring->name),
1764 "%s-tx-%d", netdev->name, ring);
1765 err = request_irq(tx_ring->irq, handler, flags,
1766 tx_ring->name, tx_ring);
1776 qlcnic_free_irq(struct qlcnic_adapter *adapter)
1779 struct qlcnic_host_sds_ring *sds_ring;
1780 struct qlcnic_host_tx_ring *tx_ring;
1782 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1784 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
1785 if (qlcnic_82xx_check(adapter) ||
1786 (qlcnic_83xx_check(adapter) &&
1787 (adapter->flags & QLCNIC_MSIX_ENABLED))) {
1788 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1789 sds_ring = &recv_ctx->sds_rings[ring];
1790 free_irq(sds_ring->irq, sds_ring);
1793 if ((qlcnic_83xx_check(adapter) &&
1794 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
1795 (qlcnic_82xx_check(adapter) &&
1796 qlcnic_check_multi_tx(adapter))) {
1797 for (ring = 0; ring < adapter->drv_tx_rings;
1799 tx_ring = &adapter->tx_ring[ring];
1801 free_irq(tx_ring->irq, tx_ring);
1807 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
1811 if (qlcnic_82xx_check(adapter)) {
1812 if (adapter->ahw->extra_capability[0] &
1813 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1814 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1816 capab = adapter->ahw->capabilities;
1817 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
1818 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
1822 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
1824 struct qlcnic_hardware_context *ahw = adapter->ahw;
1827 /* Initialize interrupt coalesce parameters */
1828 ahw->coal.flag = QLCNIC_INTR_DEFAULT;
1830 if (qlcnic_83xx_check(adapter)) {
1831 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
1832 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
1833 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
1834 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1835 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1837 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
1839 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
1840 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
1841 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
1843 err = qlcnic_82xx_set_rx_coalesce(adapter);
1849 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1852 struct qlcnic_host_rds_ring *rds_ring;
1854 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1857 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
1860 if (qlcnic_set_eswitch_port_config(adapter))
1863 qlcnic_get_lro_mss_capability(adapter);
1865 if (qlcnic_fw_create_ctx(adapter))
1868 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1869 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1870 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1873 qlcnic_set_multi(netdev);
1874 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
1876 adapter->ahw->linkup = 0;
1878 if (adapter->drv_sds_rings > 1)
1879 qlcnic_config_rss(adapter, 1);
1881 qlcnic_config_def_intr_coalesce(adapter);
1883 if (netdev->features & NETIF_F_LRO)
1884 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
1886 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1887 qlcnic_napi_enable(adapter);
1889 qlcnic_linkevent_request(adapter, 1);
1891 adapter->ahw->reset_context = 0;
1892 netif_tx_start_all_queues(netdev);
1896 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
1901 if (netif_running(netdev))
1902 err = __qlcnic_up(adapter, netdev);
1908 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1912 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1915 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
1918 if (qlcnic_sriov_vf_check(adapter))
1919 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
1921 netif_carrier_off(netdev);
1922 adapter->ahw->linkup = 0;
1923 netif_tx_disable(netdev);
1925 qlcnic_free_mac_list(adapter);
1927 if (adapter->fhash.fnum)
1928 qlcnic_delete_lb_filters(adapter);
1930 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
1932 qlcnic_napi_disable(adapter);
1934 qlcnic_fw_destroy_ctx(adapter);
1935 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
1937 qlcnic_reset_rx_buffers_list(adapter);
1939 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
1940 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
1943 /* Usage: During suspend and firmware recovery module */
1945 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
1948 if (netif_running(netdev))
1949 __qlcnic_down(adapter, netdev);
1955 qlcnic_attach(struct qlcnic_adapter *adapter)
1957 struct net_device *netdev = adapter->netdev;
1958 struct pci_dev *pdev = adapter->pdev;
1961 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
1964 err = qlcnic_napi_add(adapter, netdev);
1968 err = qlcnic_alloc_sw_resources(adapter);
1970 dev_err(&pdev->dev, "Error in setting sw resources\n");
1971 goto err_out_napi_del;
1974 err = qlcnic_alloc_hw_resources(adapter);
1976 dev_err(&pdev->dev, "Error in setting hw resources\n");
1977 goto err_out_free_sw;
1980 err = qlcnic_request_irq(adapter);
1982 dev_err(&pdev->dev, "failed to setup interrupt\n");
1983 goto err_out_free_hw;
1986 qlcnic_create_sysfs_entries(adapter);
1988 #ifdef CONFIG_QLCNIC_VXLAN
1989 if (qlcnic_encap_rx_offload(adapter))
1990 vxlan_get_rx_port(netdev);
1993 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
1997 qlcnic_free_hw_resources(adapter);
1999 qlcnic_free_sw_resources(adapter);
2001 qlcnic_napi_del(adapter);
2005 void qlcnic_detach(struct qlcnic_adapter *adapter)
2007 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
2010 qlcnic_remove_sysfs_entries(adapter);
2012 qlcnic_free_hw_resources(adapter);
2013 qlcnic_release_rx_buffers(adapter);
2014 qlcnic_free_irq(adapter);
2015 qlcnic_napi_del(adapter);
2016 qlcnic_free_sw_resources(adapter);
2021 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
2023 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2024 struct qlcnic_host_sds_ring *sds_ring;
2025 int drv_tx_rings = adapter->drv_tx_rings;
2028 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
2029 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2030 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2031 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2032 qlcnic_disable_sds_intr(adapter, sds_ring);
2036 qlcnic_fw_destroy_ctx(adapter);
2038 qlcnic_detach(adapter);
2040 adapter->ahw->diag_test = 0;
2041 adapter->drv_sds_rings = drv_sds_rings;
2042 adapter->drv_tx_rings = drv_tx_rings;
2044 if (qlcnic_attach(adapter))
2047 if (netif_running(netdev))
2048 __qlcnic_up(adapter, netdev);
2050 netif_device_attach(netdev);
2053 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
2057 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
2059 if (!adapter->recv_ctx) {
2065 memset(&adapter->stats, 0, sizeof(adapter->stats));
2070 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
2072 kfree(adapter->recv_ctx);
2073 adapter->recv_ctx = NULL;
2075 if (adapter->ahw->fw_dump.tmpl_hdr) {
2076 vfree(adapter->ahw->fw_dump.tmpl_hdr);
2077 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2080 kfree(adapter->ahw->reset.buff);
2081 adapter->ahw->fw_dump.tmpl_hdr = NULL;
2084 int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
2086 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2087 struct qlcnic_host_sds_ring *sds_ring;
2088 struct qlcnic_host_rds_ring *rds_ring;
2092 netif_device_detach(netdev);
2094 if (netif_running(netdev))
2095 __qlcnic_down(adapter, netdev);
2097 qlcnic_detach(adapter);
2099 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
2100 adapter->ahw->diag_test = test;
2101 adapter->ahw->linkup = 0;
2103 ret = qlcnic_attach(adapter);
2105 netif_device_attach(netdev);
2109 ret = qlcnic_fw_create_ctx(adapter);
2111 qlcnic_detach(adapter);
2112 netif_device_attach(netdev);
2116 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
2117 rds_ring = &adapter->recv_ctx->rds_rings[ring];
2118 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
2121 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
2122 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
2123 sds_ring = &adapter->recv_ctx->sds_rings[ring];
2124 qlcnic_enable_sds_intr(adapter, sds_ring);
2128 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
2129 adapter->ahw->loopback_state = 0;
2130 qlcnic_linkevent_request(adapter, 1);
2133 set_bit(__QLCNIC_DEV_UP, &adapter->state);
2138 /* Reset context in hardware only */
2140 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
2142 struct net_device *netdev = adapter->netdev;
2144 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2147 netif_device_detach(netdev);
2149 qlcnic_down(adapter, netdev);
2151 qlcnic_up(adapter, netdev);
2153 netif_device_attach(netdev);
2155 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2156 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
2161 qlcnic_reset_context(struct qlcnic_adapter *adapter)
2164 struct net_device *netdev = adapter->netdev;
2166 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
2169 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
2171 netif_device_detach(netdev);
2173 if (netif_running(netdev))
2174 __qlcnic_down(adapter, netdev);
2176 qlcnic_detach(adapter);
2178 if (netif_running(netdev)) {
2179 err = qlcnic_attach(adapter);
2181 __qlcnic_up(adapter, netdev);
2182 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
2186 netif_device_attach(netdev);
2189 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2193 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
2195 struct qlcnic_hardware_context *ahw = adapter->ahw;
2196 u16 act_pci_fn = ahw->total_nic_func;
2199 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
2200 if (act_pci_fn <= 2)
2201 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
2204 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
2206 ahw->max_uc_count = count;
2209 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
2210 u8 tx_queues, u8 rx_queues)
2212 struct net_device *netdev = adapter->netdev;
2216 err = netif_set_real_num_tx_queues(netdev, tx_queues);
2218 netdev_err(netdev, "failed to set %d Tx queues\n",
2225 err = netif_set_real_num_rx_queues(netdev, rx_queues);
2227 netdev_err(netdev, "failed to set %d Rx queues\n",
2235 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
2239 struct pci_dev *pdev = adapter->pdev;
2241 adapter->rx_csum = 1;
2242 adapter->ahw->mc_enabled = 0;
2243 qlcnic_set_mac_filter_count(adapter);
2245 netdev->netdev_ops = &qlcnic_netdev_ops;
2246 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
2248 qlcnic_change_mtu(netdev, netdev->mtu);
2250 if (qlcnic_sriov_vf_check(adapter))
2251 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops);
2253 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
2255 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
2256 NETIF_F_IPV6_CSUM | NETIF_F_GRO |
2257 NETIF_F_HW_VLAN_CTAG_RX);
2258 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
2261 if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
2262 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
2263 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
2266 if (pci_using_dac) {
2267 netdev->features |= NETIF_F_HIGHDMA;
2268 netdev->vlan_features |= NETIF_F_HIGHDMA;
2271 if (qlcnic_vlan_tx_check(adapter))
2272 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
2274 if (qlcnic_sriov_vf_check(adapter))
2275 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
2277 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
2278 netdev->features |= NETIF_F_LRO;
2280 if (qlcnic_encap_tx_offload(adapter)) {
2281 netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
2283 /* encapsulation Tx offload supported by Adapter */
2284 netdev->hw_enc_features = NETIF_F_IP_CSUM |
2285 NETIF_F_GSO_UDP_TUNNEL |
2290 if (qlcnic_encap_rx_offload(adapter))
2291 netdev->hw_enc_features |= NETIF_F_RXCSUM;
2293 netdev->hw_features = netdev->features;
2294 netdev->priv_flags |= IFF_UNICAST_FLT;
2295 netdev->irq = adapter->msix_entries[0].vector;
2297 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
2298 adapter->drv_sds_rings);
2302 err = register_netdev(netdev);
2304 dev_err(&pdev->dev, "failed to register net device\n");
2308 qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
2313 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
2315 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
2316 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
2318 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
2319 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
2322 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
2329 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
2332 struct qlcnic_host_tx_ring *tx_ring;
2334 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2335 tx_ring = &adapter->tx_ring[ring];
2336 if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
2337 vfree(tx_ring->cmd_buf_arr);
2338 tx_ring->cmd_buf_arr = NULL;
2341 if (adapter->tx_ring != NULL)
2342 kfree(adapter->tx_ring);
2345 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
2346 struct net_device *netdev)
2348 int ring, vector, index;
2349 struct qlcnic_host_tx_ring *tx_ring;
2350 struct qlcnic_cmd_buffer *cmd_buf_arr;
2352 tx_ring = kcalloc(adapter->drv_tx_rings,
2353 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
2354 if (tx_ring == NULL)
2357 adapter->tx_ring = tx_ring;
2359 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2360 tx_ring = &adapter->tx_ring[ring];
2361 tx_ring->num_desc = adapter->num_txd;
2362 tx_ring->txq = netdev_get_tx_queue(netdev, ring);
2363 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
2364 if (cmd_buf_arr == NULL) {
2365 qlcnic_free_tx_rings(adapter);
2368 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
2369 tx_ring->cmd_buf_arr = cmd_buf_arr;
2370 spin_lock_init(&tx_ring->tx_clean_lock);
2373 if (qlcnic_83xx_check(adapter) ||
2374 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
2375 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2376 tx_ring = &adapter->tx_ring[ring];
2377 tx_ring->adapter = adapter;
2378 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
2379 index = adapter->drv_sds_rings + ring;
2380 vector = adapter->msix_entries[index].vector;
2381 tx_ring->irq = vector;
2389 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
2391 struct qlcnic_hardware_context *ahw = adapter->ahw;
2394 if (qlcnic_82xx_check(adapter))
2395 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
2396 else if (qlcnic_83xx_check(adapter))
2397 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
2399 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
2400 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
2403 /* Reset firmware API lock */
2404 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
2406 qlcnic_api_lock(adapter);
2407 qlcnic_api_unlock(adapter);
2412 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
2414 struct net_device *netdev = NULL;
2415 struct qlcnic_adapter *adapter = NULL;
2416 struct qlcnic_hardware_context *ahw;
2417 int err, pci_using_dac = -1;
2418 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
2420 if (pdev->is_virtfn)
2423 err = pci_enable_device(pdev);
2427 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2429 goto err_out_disable_pdev;
2432 err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
2434 goto err_out_disable_pdev;
2436 err = pci_request_regions(pdev, qlcnic_driver_name);
2438 goto err_out_disable_pdev;
2440 pci_set_master(pdev);
2441 pci_enable_pcie_error_reporting(pdev);
2443 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
2446 goto err_out_free_res;
2449 switch (ent->device) {
2450 case PCI_DEVICE_ID_QLOGIC_QLE824X:
2451 ahw->hw_ops = &qlcnic_hw_ops;
2452 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
2454 case PCI_DEVICE_ID_QLOGIC_QLE834X:
2455 case PCI_DEVICE_ID_QLOGIC_QLE844X:
2456 qlcnic_83xx_register_map(ahw);
2458 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
2459 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
2460 qlcnic_sriov_vf_register_map(ahw);
2463 goto err_out_free_hw_res;
2466 err = qlcnic_setup_pci_map(pdev, ahw);
2468 goto err_out_free_hw_res;
2470 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
2471 QLCNIC_MAX_TX_RINGS);
2474 goto err_out_iounmap;
2477 SET_NETDEV_DEV(netdev, &pdev->dev);
2479 adapter = netdev_priv(netdev);
2480 adapter->netdev = netdev;
2481 adapter->pdev = pdev;
2484 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
2485 if (adapter->qlcnic_wq == NULL) {
2487 dev_err(&pdev->dev, "Failed to create workqueue\n");
2488 goto err_out_free_netdev;
2491 err = qlcnic_alloc_adapter_resources(adapter);
2493 goto err_out_free_wq;
2495 adapter->dev_rst_time = jiffies;
2496 ahw->revision_id = pdev->revision;
2497 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
2498 if (qlcnic_mac_learn == FDB_MAC_LEARN)
2499 adapter->fdb_mac_learn = true;
2500 else if (qlcnic_mac_learn == DRV_MAC_LEARN)
2501 adapter->drv_mac_learn = true;
2503 rwlock_init(&adapter->ahw->crb_lock);
2504 mutex_init(&adapter->ahw->mem_lock);
2506 INIT_LIST_HEAD(&adapter->mac_list);
2508 qlcnic_register_dcb(adapter);
2510 if (qlcnic_82xx_check(adapter)) {
2511 qlcnic_check_vf(adapter, ent);
2512 adapter->portnum = adapter->ahw->pci_func;
2513 qlcnic_reset_api_lock(adapter);
2514 err = qlcnic_start_firmware(adapter);
2516 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
2517 "\t\tIf reboot doesn't help, try flashing the card\n");
2518 goto err_out_maintenance_mode;
2521 /* compute and set default and max tx/sds rings */
2522 if (adapter->ahw->msix_supported) {
2523 if (qlcnic_check_multi_tx_capability(adapter) == 1)
2524 qlcnic_set_tx_ring_count(adapter,
2525 QLCNIC_SINGLE_RING);
2527 qlcnic_set_tx_ring_count(adapter,
2528 QLCNIC_DEF_TX_RINGS);
2529 qlcnic_set_sds_ring_count(adapter,
2530 QLCNIC_DEF_SDS_RINGS);
2532 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
2533 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
2536 err = qlcnic_setup_idc_param(adapter);
2538 goto err_out_free_hw;
2540 adapter->flags |= QLCNIC_NEED_FLR;
2542 } else if (qlcnic_83xx_check(adapter)) {
2543 qlcnic_83xx_check_vf(adapter, ent);
2544 adapter->portnum = adapter->ahw->pci_func;
2545 err = qlcnic_83xx_init(adapter, pci_using_dac);
2548 case -ENOTRECOVERABLE:
2549 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
2550 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
2551 goto err_out_free_hw;
2553 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
2554 goto err_out_free_hw;
2556 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n");
2557 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n");
2558 goto err_out_maintenance_mode;
2562 if (qlcnic_sriov_vf_check(adapter))
2566 "%s: failed. Please Reboot\n", __func__);
2567 goto err_out_free_hw;
2570 if (qlcnic_read_mac_addr(adapter))
2571 dev_warn(&pdev->dev, "failed to read mac addr\n");
2573 qlcnic_read_phys_port_id(adapter);
2575 if (adapter->portnum == 0) {
2576 qlcnic_get_board_name(adapter, board_name);
2578 pr_info("%s: %s Board Chip rev 0x%x\n",
2579 module_name(THIS_MODULE),
2580 board_name, adapter->ahw->revision_id);
2583 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
2585 dev_warn(&pdev->dev,
2586 "Device does not support MSI interrupts\n");
2588 if (qlcnic_82xx_check(adapter)) {
2589 qlcnic_dcb_enable(adapter->dcb);
2590 qlcnic_dcb_get_info(adapter->dcb);
2591 err = qlcnic_setup_intr(adapter);
2594 dev_err(&pdev->dev, "Failed to setup interrupt\n");
2595 goto err_out_disable_msi;
2599 err = qlcnic_get_act_pci_func(adapter);
2601 goto err_out_disable_mbx_intr;
2603 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
2605 goto err_out_disable_mbx_intr;
2607 if (adapter->portnum == 0)
2608 qlcnic_set_drv_version(adapter);
2610 pci_set_drvdata(pdev, adapter);
2612 if (qlcnic_82xx_check(adapter))
2613 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
2616 switch (adapter->ahw->port_type) {
2618 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
2619 adapter->netdev->name);
2622 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
2623 adapter->netdev->name);
2627 if (adapter->drv_mac_learn)
2628 qlcnic_alloc_lb_filters_mem(adapter);
2630 qlcnic_add_sysfs(adapter);
2634 err_out_disable_mbx_intr:
2635 if (qlcnic_83xx_check(adapter))
2636 qlcnic_83xx_free_mbx_intr(adapter);
2638 err_out_disable_msi:
2639 qlcnic_teardown_intr(adapter);
2640 qlcnic_cancel_idc_work(adapter);
2641 qlcnic_clr_all_drv_state(adapter, 0);
2644 qlcnic_free_adapter_resources(adapter);
2647 destroy_workqueue(adapter->qlcnic_wq);
2649 err_out_free_netdev:
2650 free_netdev(netdev);
2653 qlcnic_cleanup_pci_map(ahw);
2655 err_out_free_hw_res:
2659 pci_release_regions(pdev);
2661 err_out_disable_pdev:
2662 pci_disable_device(pdev);
2665 err_out_maintenance_mode:
2666 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
2667 netdev->netdev_ops = &qlcnic_netdev_failed_ops;
2668 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
2669 ahw->port_type = QLCNIC_XGBE;
2671 if (qlcnic_83xx_check(adapter))
2672 adapter->tgt_status_reg = NULL;
2674 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
2676 err = register_netdev(netdev);
2679 dev_err(&pdev->dev, "Failed to register net device\n");
2680 qlcnic_clr_all_drv_state(adapter, 0);
2681 goto err_out_free_hw;
2684 pci_set_drvdata(pdev, adapter);
2685 qlcnic_add_sysfs(adapter);
2690 static void qlcnic_remove(struct pci_dev *pdev)
2692 struct qlcnic_adapter *adapter;
2693 struct net_device *netdev;
2694 struct qlcnic_hardware_context *ahw;
2696 adapter = pci_get_drvdata(pdev);
2697 if (adapter == NULL)
2700 netdev = adapter->netdev;
2701 qlcnic_sriov_pf_disable(adapter);
2703 qlcnic_cancel_idc_work(adapter);
2706 unregister_netdev(netdev);
2707 qlcnic_sriov_cleanup(adapter);
2709 if (qlcnic_83xx_check(adapter)) {
2710 qlcnic_83xx_initialize_nic(adapter, 0);
2711 cancel_delayed_work_sync(&adapter->idc_aen_work);
2712 qlcnic_83xx_free_mbx_intr(adapter);
2713 qlcnic_83xx_detach_mailbox_work(adapter);
2714 qlcnic_83xx_free_mailbox(ahw->mailbox);
2715 kfree(ahw->fw_info);
2718 qlcnic_dcb_free(adapter->dcb);
2720 qlcnic_detach(adapter);
2722 if (adapter->npars != NULL)
2723 kfree(adapter->npars);
2724 if (adapter->eswitch != NULL)
2725 kfree(adapter->eswitch);
2727 if (qlcnic_82xx_check(adapter))
2728 qlcnic_clr_all_drv_state(adapter, 0);
2730 clear_bit(__QLCNIC_RESETTING, &adapter->state);
2732 qlcnic_free_lb_filters_mem(adapter);
2734 qlcnic_teardown_intr(adapter);
2736 qlcnic_remove_sysfs(adapter);
2738 qlcnic_cleanup_pci_map(adapter->ahw);
2740 qlcnic_release_firmware(adapter);
2742 pci_disable_pcie_error_reporting(pdev);
2743 pci_release_regions(pdev);
2744 pci_disable_device(pdev);
2746 if (adapter->qlcnic_wq) {
2747 destroy_workqueue(adapter->qlcnic_wq);
2748 adapter->qlcnic_wq = NULL;
2751 qlcnic_free_adapter_resources(adapter);
2753 free_netdev(netdev);
2756 static void qlcnic_shutdown(struct pci_dev *pdev)
2758 if (__qlcnic_shutdown(pdev))
2761 pci_disable_device(pdev);
2765 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
2769 retval = __qlcnic_shutdown(pdev);
2773 pci_set_power_state(pdev, pci_choose_state(pdev, state));
2777 static int qlcnic_resume(struct pci_dev *pdev)
2779 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
2782 err = pci_enable_device(pdev);
2786 pci_set_power_state(pdev, PCI_D0);
2787 pci_set_master(pdev);
2788 pci_restore_state(pdev);
2790 return __qlcnic_resume(adapter);
2794 static int qlcnic_open(struct net_device *netdev)
2796 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2799 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
2800 netdev_err(netdev, "%s: Device is in non-operational state\n",
2806 netif_carrier_off(netdev);
2808 err = qlcnic_attach(adapter);
2812 err = __qlcnic_up(adapter, netdev);
2814 qlcnic_detach(adapter);
2820 * qlcnic_close - Disables a network interface entry point
2822 static int qlcnic_close(struct net_device *netdev)
2824 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2826 __qlcnic_down(adapter, netdev);
2831 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
2835 struct net_device *netdev = adapter->netdev;
2836 u32 filter_size = 0;
2837 u16 act_pci_func = 0;
2839 if (adapter->fhash.fmax && adapter->fhash.fhead)
2842 act_pci_func = adapter->ahw->total_nic_func;
2843 spin_lock_init(&adapter->mac_learn_lock);
2844 spin_lock_init(&adapter->rx_mac_learn_lock);
2846 if (qlcnic_82xx_check(adapter)) {
2847 filter_size = QLCNIC_LB_MAX_FILTERS;
2848 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
2850 filter_size = QLC_83XX_LB_MAX_FILTERS;
2851 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
2854 head = kcalloc(adapter->fhash.fbucket_size,
2855 sizeof(struct hlist_head), GFP_ATOMIC);
2860 adapter->fhash.fmax = (filter_size / act_pci_func);
2861 adapter->fhash.fhead = head;
2863 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
2864 act_pci_func, adapter->fhash.fmax);
2866 for (i = 0; i < adapter->fhash.fbucket_size; i++)
2867 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
2869 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
2871 head = kcalloc(adapter->rx_fhash.fbucket_size,
2872 sizeof(struct hlist_head), GFP_ATOMIC);
2877 adapter->rx_fhash.fmax = (filter_size / act_pci_func);
2878 adapter->rx_fhash.fhead = head;
2880 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
2881 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
2884 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
2886 if (adapter->fhash.fmax && adapter->fhash.fhead)
2887 kfree(adapter->fhash.fhead);
2889 adapter->fhash.fhead = NULL;
2890 adapter->fhash.fmax = 0;
2892 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
2893 kfree(adapter->rx_fhash.fhead);
2895 adapter->rx_fhash.fmax = 0;
2896 adapter->rx_fhash.fhead = NULL;
2899 int qlcnic_check_temp(struct qlcnic_adapter *adapter)
2901 struct net_device *netdev = adapter->netdev;
2902 u32 temp_state, temp_val, temp = 0;
2905 if (qlcnic_83xx_check(adapter))
2906 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
2908 if (qlcnic_82xx_check(adapter))
2909 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
2911 temp_state = qlcnic_get_temp_state(temp);
2912 temp_val = qlcnic_get_temp_val(temp);
2914 if (temp_state == QLCNIC_TEMP_PANIC) {
2915 dev_err(&netdev->dev,
2916 "Device temperature %d degrees C exceeds"
2917 " maximum allowed. Hardware has been shut down.\n",
2920 } else if (temp_state == QLCNIC_TEMP_WARN) {
2921 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
2922 dev_err(&netdev->dev,
2923 "Device temperature %d degrees C "
2924 "exceeds operating range."
2925 " Immediate action needed.\n",
2929 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
2930 dev_info(&netdev->dev,
2931 "Device temperature is now %d degrees C"
2932 " in normal range.\n", temp_val);
2935 adapter->ahw->temp = temp_state;
2939 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
2942 struct cmd_desc_type0 *tx_desc_info;
2944 for (i = 0; i < tx_ring->num_desc; i++) {
2945 tx_desc_info = &tx_ring->desc_head[i];
2946 pr_info("TX Desc: %d\n", i);
2947 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
2948 &tx_ring->desc_head[i],
2949 sizeof(struct cmd_desc_type0), true);
2953 static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
2955 struct net_device *netdev = adapter->netdev;
2956 struct qlcnic_host_tx_ring *tx_ring;
2959 if (!netdev || !netif_running(netdev))
2962 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
2963 tx_ring = &adapter->tx_ring[ring];
2964 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
2965 ring, tx_ring->ctx_id);
2967 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
2968 tx_ring->tx_stats.xmit_finished,
2969 tx_ring->tx_stats.xmit_called,
2970 tx_ring->tx_stats.xmit_on,
2971 tx_ring->tx_stats.xmit_off);
2973 if (tx_ring->crb_intr_mask)
2974 netdev_info(netdev, "crb_intr_mask=%d\n",
2975 readl(tx_ring->crb_intr_mask));
2978 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
2979 readl(tx_ring->crb_cmd_producer),
2980 tx_ring->producer, tx_ring->sw_consumer,
2981 le32_to_cpu(*(tx_ring->hw_consumer)));
2983 netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
2984 tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
2986 if (netif_msg_tx_done(adapter->ahw))
2987 dump_tx_ring_desc(tx_ring);
2991 static void qlcnic_tx_timeout(struct net_device *netdev)
2993 struct qlcnic_adapter *adapter = netdev_priv(netdev);
2995 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
2998 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) {
2999 netdev_info(netdev, "Tx timeout, reset the adapter.\n");
3000 if (qlcnic_82xx_check(adapter))
3001 adapter->need_fw_reset = 1;
3002 else if (qlcnic_83xx_check(adapter))
3003 qlcnic_83xx_idc_request_reset(adapter,
3004 QLCNIC_FORCE_FW_DUMP_KEY);
3006 netdev_info(netdev, "Tx timeout, reset adapter context.\n");
3007 qlcnic_dump_tx_rings(adapter);
3008 adapter->ahw->reset_context = 1;
3012 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
3014 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3015 struct net_device_stats *stats = &netdev->stats;
3017 if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
3018 qlcnic_update_stats(adapter);
3020 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
3021 stats->tx_packets = adapter->stats.xmitfinished;
3022 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
3023 stats->tx_bytes = adapter->stats.txbytes;
3024 stats->rx_dropped = adapter->stats.rxdropped;
3025 stats->tx_dropped = adapter->stats.txdropped;
3030 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
3034 status = readl(adapter->isr_int_vec);
3036 if (!(status & adapter->ahw->int_vec_bit))
3039 /* check interrupt state machine, to be sure */
3040 status = readl(adapter->crb_int_state_reg);
3041 if (!ISR_LEGACY_INT_TRIGGERED(status))
3044 writel(0xffffffff, adapter->tgt_status_reg);
3045 /* read twice to ensure write is flushed */
3046 readl(adapter->isr_int_vec);
3047 readl(adapter->isr_int_vec);
3052 static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
3054 struct qlcnic_host_sds_ring *sds_ring = data;
3055 struct qlcnic_adapter *adapter = sds_ring->adapter;
3057 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3059 else if (adapter->flags & QLCNIC_MSI_ENABLED) {
3060 writel(0xffffffff, adapter->tgt_status_reg);
3064 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3068 adapter->ahw->diag_cnt++;
3069 qlcnic_enable_sds_intr(adapter, sds_ring);
3073 static irqreturn_t qlcnic_intr(int irq, void *data)
3075 struct qlcnic_host_sds_ring *sds_ring = data;
3076 struct qlcnic_adapter *adapter = sds_ring->adapter;
3078 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
3081 napi_schedule(&sds_ring->napi);
3086 static irqreturn_t qlcnic_msi_intr(int irq, void *data)
3088 struct qlcnic_host_sds_ring *sds_ring = data;
3089 struct qlcnic_adapter *adapter = sds_ring->adapter;
3091 /* clear interrupt */
3092 writel(0xffffffff, adapter->tgt_status_reg);
3094 napi_schedule(&sds_ring->napi);
3098 static irqreturn_t qlcnic_msix_intr(int irq, void *data)
3100 struct qlcnic_host_sds_ring *sds_ring = data;
3102 napi_schedule(&sds_ring->napi);
3106 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
3108 struct qlcnic_host_tx_ring *tx_ring = data;
3110 napi_schedule(&tx_ring->napi);
3114 #ifdef CONFIG_NET_POLL_CONTROLLER
3115 static void qlcnic_poll_controller(struct net_device *netdev)
3117 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3118 struct qlcnic_host_sds_ring *sds_ring;
3119 struct qlcnic_recv_context *recv_ctx;
3120 struct qlcnic_host_tx_ring *tx_ring;
3123 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
3126 recv_ctx = adapter->recv_ctx;
3128 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
3129 sds_ring = &recv_ctx->sds_rings[ring];
3130 qlcnic_disable_sds_intr(adapter, sds_ring);
3131 napi_schedule(&sds_ring->napi);
3134 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
3135 /* Only Multi-Tx queue capable devices need to
3136 * schedule NAPI for TX rings
3138 if ((qlcnic_83xx_check(adapter) &&
3139 (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
3140 (qlcnic_82xx_check(adapter) &&
3141 !qlcnic_check_multi_tx(adapter)))
3144 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
3145 tx_ring = &adapter->tx_ring[ring];
3146 qlcnic_disable_tx_intr(adapter, tx_ring);
3147 napi_schedule(&tx_ring->napi);
3154 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
3158 val = adapter->portnum & 0xf;
3159 val |= encoding << 7;
3160 val |= (jiffies - adapter->dev_rst_time) << 8;
3162 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
3163 adapter->dev_rst_time = jiffies;
3167 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
3171 WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
3172 state != QLCNIC_DEV_NEED_QUISCENT);
3174 if (qlcnic_api_lock(adapter))
3177 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3179 if (state == QLCNIC_DEV_NEED_RESET)
3180 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3181 else if (state == QLCNIC_DEV_NEED_QUISCENT)
3182 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
3184 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3186 qlcnic_api_unlock(adapter);
3192 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
3196 if (qlcnic_api_lock(adapter))
3199 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3200 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3201 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3203 qlcnic_api_unlock(adapter);
3208 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
3212 if (qlcnic_api_lock(adapter))
3215 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3216 QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
3217 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3220 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3222 dev_info(&adapter->pdev->dev,
3223 "Device state set to Failed. Please Reboot\n");
3224 } else if (!(val & 0x11111111))
3225 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3228 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3229 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
3230 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3232 qlcnic_api_unlock(adapter);
3234 adapter->fw_fail_cnt = 0;
3235 adapter->flags &= ~QLCNIC_FW_HANG;
3236 clear_bit(__QLCNIC_START_FW, &adapter->state);
3237 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3240 /* Grab api lock, before checking state */
3242 qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
3244 int act, state, active_mask;
3245 struct qlcnic_hardware_context *ahw = adapter->ahw;
3247 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3248 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3250 if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
3251 active_mask = (~(1 << (ahw->pci_func * 4)));
3252 act = act & active_mask;
3255 if (((state & 0x11111111) == (act & 0x11111111)) ||
3256 ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
3262 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
3264 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
3266 if (val != QLCNIC_DRV_IDC_VER) {
3267 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
3268 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
3275 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
3277 u32 val, prev_state;
3278 u8 dev_init_timeo = adapter->dev_init_timeo;
3279 u8 portnum = adapter->portnum;
3282 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
3285 if (qlcnic_api_lock(adapter))
3288 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
3289 if (!(val & (1 << (portnum * 4)))) {
3290 QLC_DEV_SET_REF_CNT(val, portnum);
3291 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
3294 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3295 QLCDB(adapter, HW, "Device state = %u\n", prev_state);
3297 switch (prev_state) {
3298 case QLCNIC_DEV_COLD:
3299 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3300 QLCNIC_DEV_INITIALIZING);
3301 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
3302 QLCNIC_DRV_IDC_VER);
3303 qlcnic_idc_debug_info(adapter, 0);
3304 qlcnic_api_unlock(adapter);
3307 case QLCNIC_DEV_READY:
3308 ret = qlcnic_check_idc_ver(adapter);
3309 qlcnic_api_unlock(adapter);
3312 case QLCNIC_DEV_NEED_RESET:
3313 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3314 QLC_DEV_SET_RST_RDY(val, portnum);
3315 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3318 case QLCNIC_DEV_NEED_QUISCENT:
3319 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3320 QLC_DEV_SET_QSCNT_RDY(val, portnum);
3321 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3324 case QLCNIC_DEV_FAILED:
3325 dev_err(&adapter->pdev->dev, "Device in failed state.\n");
3326 qlcnic_api_unlock(adapter);
3329 case QLCNIC_DEV_INITIALIZING:
3330 case QLCNIC_DEV_QUISCENT:
3334 qlcnic_api_unlock(adapter);
3338 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3340 if (prev_state == QLCNIC_DEV_QUISCENT)
3342 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
3344 if (!dev_init_timeo) {
3345 dev_err(&adapter->pdev->dev,
3346 "Waiting for device to initialize timeout\n");
3350 if (qlcnic_api_lock(adapter))
3353 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
3354 QLC_DEV_CLR_RST_QSCNT(val, portnum);
3355 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
3357 ret = qlcnic_check_idc_ver(adapter);
3358 qlcnic_api_unlock(adapter);
3364 qlcnic_fwinit_work(struct work_struct *work)
3366 struct qlcnic_adapter *adapter = container_of(work,
3367 struct qlcnic_adapter, fw_work.work);
3368 u32 dev_state = 0xf;
3371 if (qlcnic_api_lock(adapter))
3374 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3375 if (dev_state == QLCNIC_DEV_QUISCENT ||
3376 dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3377 qlcnic_api_unlock(adapter);
3378 qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
3383 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
3384 qlcnic_api_unlock(adapter);
3388 if (dev_state == QLCNIC_DEV_INITIALIZING ||
3389 dev_state == QLCNIC_DEV_READY) {
3390 dev_info(&adapter->pdev->dev, "Detected state change from "
3391 "DEV_NEED_RESET, skipping ack check\n");
3392 goto skip_ack_check;
3395 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
3396 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
3397 adapter->reset_ack_timeo);
3398 goto skip_ack_check;
3401 if (!qlcnic_check_drv_state(adapter)) {
3403 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3405 if (dev_state == QLCNIC_DEV_NEED_RESET) {
3406 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3407 QLCNIC_DEV_INITIALIZING);
3408 set_bit(__QLCNIC_START_FW, &adapter->state);
3409 QLCDB(adapter, DRV, "Restarting fw\n");
3410 qlcnic_idc_debug_info(adapter, 0);
3411 val = QLC_SHARED_REG_RD32(adapter,
3412 QLCNIC_CRB_DRV_STATE);
3413 QLC_DEV_SET_RST_RDY(val, adapter->portnum);
3414 QLC_SHARED_REG_WR32(adapter,
3415 QLCNIC_CRB_DRV_STATE, val);
3418 qlcnic_api_unlock(adapter);
3421 if (qlcnic_check_fw_dump_state(adapter) &&
3422 (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3423 QLCDB(adapter, DRV, "Take FW dump\n");
3424 qlcnic_dump_fw(adapter);
3425 adapter->flags |= QLCNIC_FW_HANG;
3429 adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
3430 if (!adapter->nic_ops->start_firmware(adapter)) {
3431 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3432 adapter->fw_wait_cnt = 0;
3438 qlcnic_api_unlock(adapter);
3441 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3442 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
3444 switch (dev_state) {
3445 case QLCNIC_DEV_READY:
3446 if (!qlcnic_start_firmware(adapter)) {
3447 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
3448 adapter->fw_wait_cnt = 0;
3451 case QLCNIC_DEV_FAILED:
3454 qlcnic_schedule_work(adapter,
3455 qlcnic_fwinit_work, FW_POLL_DELAY);
3460 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
3461 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
3462 netif_device_attach(adapter->netdev);
3463 qlcnic_clr_all_drv_state(adapter, 0);
3467 qlcnic_detach_work(struct work_struct *work)
3469 struct qlcnic_adapter *adapter = container_of(work,
3470 struct qlcnic_adapter, fw_work.work);
3471 struct net_device *netdev = adapter->netdev;
3474 netif_device_detach(netdev);
3476 /* Dont grab rtnl lock during Quiscent mode */
3477 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
3478 if (netif_running(netdev))
3479 __qlcnic_down(adapter, netdev);
3481 qlcnic_down(adapter, netdev);
3483 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3485 if (status & QLCNIC_RCODE_FATAL_ERROR) {
3486 dev_err(&adapter->pdev->dev,
3487 "Detaching the device: peg halt status1=0x%x\n",
3490 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
3491 dev_err(&adapter->pdev->dev,
3492 "On board active cooling fan failed. "
3493 "Device has been halted.\n");
3494 dev_err(&adapter->pdev->dev,
3495 "Replace the adapter.\n");
3501 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
3502 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
3503 adapter->ahw->temp);
3507 /* Dont ack if this instance is the reset owner */
3508 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
3509 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
3510 dev_err(&adapter->pdev->dev,
3511 "Failed to set driver state,"
3512 "detaching the device.\n");
3517 adapter->fw_wait_cnt = 0;
3519 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
3524 netif_device_attach(netdev);
3525 qlcnic_clr_all_drv_state(adapter, 1);
3528 /*Transit NPAR state to NON Operational */
3530 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
3534 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
3535 if (state == QLCNIC_DEV_NPAR_NON_OPER)
3538 if (qlcnic_api_lock(adapter))
3540 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3541 QLCNIC_DEV_NPAR_NON_OPER);
3542 qlcnic_api_unlock(adapter);
3545 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
3548 u32 state, xg_val = 0, gb_val = 0;
3550 qlcnic_xg_set_xg0_mask(xg_val);
3551 qlcnic_xg_set_xg1_mask(xg_val);
3552 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
3553 qlcnic_gb_set_gb0_mask(gb_val);
3554 qlcnic_gb_set_gb1_mask(gb_val);
3555 qlcnic_gb_set_gb2_mask(gb_val);
3556 qlcnic_gb_set_gb3_mask(gb_val);
3557 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
3558 dev_info(&adapter->pdev->dev, "Pause control frames disabled"
3560 adapter->need_fw_reset = 1;
3562 if (qlcnic_api_lock(adapter))
3565 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3567 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3568 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
3570 qlcnic_api_unlock(adapter);
3575 if (state == QLCNIC_DEV_READY) {
3576 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3577 QLCNIC_DEV_NEED_RESET);
3578 adapter->flags |= QLCNIC_FW_RESET_OWNER;
3579 QLCDB(adapter, DRV, "NEED_RESET state set\n");
3580 qlcnic_idc_debug_info(adapter, 0);
3583 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3584 QLCNIC_DEV_NPAR_NON_OPER);
3585 qlcnic_api_unlock(adapter);
3588 /* Transit to NPAR READY state from NPAR NOT READY state */
3590 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
3592 if (qlcnic_api_lock(adapter))
3595 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
3596 QLCNIC_DEV_NPAR_OPER);
3597 QLCDB(adapter, DRV, "NPAR operational state set\n");
3599 qlcnic_api_unlock(adapter);
3602 void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
3603 work_func_t func, int delay)
3605 if (test_bit(__QLCNIC_AER, &adapter->state))
3608 INIT_DELAYED_WORK(&adapter->fw_work, func);
3609 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
3610 round_jiffies_relative(delay));
3614 qlcnic_attach_work(struct work_struct *work)
3616 struct qlcnic_adapter *adapter = container_of(work,
3617 struct qlcnic_adapter, fw_work.work);
3618 struct net_device *netdev = adapter->netdev;
3621 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
3622 npar_state = QLC_SHARED_REG_RD32(adapter,
3623 QLCNIC_CRB_DEV_NPAR_STATE);
3624 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
3625 qlcnic_clr_all_drv_state(adapter, 0);
3626 else if (npar_state != QLCNIC_DEV_NPAR_OPER)
3627 qlcnic_schedule_work(adapter, qlcnic_attach_work,
3631 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
3635 qlcnic_dcb_get_info(adapter->dcb);
3637 if (netif_running(netdev)) {
3638 if (qlcnic_up(adapter, netdev))
3641 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3645 netif_device_attach(netdev);
3646 adapter->fw_fail_cnt = 0;
3647 adapter->flags &= ~QLCNIC_FW_HANG;
3648 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3649 if (adapter->portnum == 0)
3650 qlcnic_set_drv_version(adapter);
3652 if (!qlcnic_clr_drv_state(adapter))
3653 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3658 qlcnic_check_health(struct qlcnic_adapter *adapter)
3660 struct qlcnic_hardware_context *ahw = adapter->ahw;
3661 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
3662 u32 state = 0, heartbeat;
3666 if (qlcnic_check_temp(adapter))
3669 if (adapter->need_fw_reset)
3670 qlcnic_dev_request_reset(adapter, 0);
3672 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3673 if (state == QLCNIC_DEV_NEED_RESET) {
3674 qlcnic_set_npar_non_operational(adapter);
3675 adapter->need_fw_reset = 1;
3676 } else if (state == QLCNIC_DEV_NEED_QUISCENT)
3679 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
3680 if (heartbeat != adapter->heartbeat) {
3681 adapter->heartbeat = heartbeat;
3682 adapter->fw_fail_cnt = 0;
3683 if (adapter->need_fw_reset)
3686 if (ahw->reset_context && qlcnic_auto_fw_reset)
3687 qlcnic_reset_hw_context(adapter);
3692 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
3695 adapter->flags |= QLCNIC_FW_HANG;
3697 qlcnic_dev_request_reset(adapter, 0);
3699 if (qlcnic_auto_fw_reset)
3700 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
3702 dev_err(&adapter->pdev->dev, "firmware hang detected\n");
3703 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
3704 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
3705 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
3706 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
3707 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
3708 "PEG_NET_4_PC: 0x%x\n",
3710 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
3711 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
3712 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
3713 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
3714 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
3715 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
3716 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
3717 dev_err(&adapter->pdev->dev,
3718 "Firmware aborted with error code 0x00006700. "
3719 "Device is being reset.\n");
3721 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
3722 QLCNIC_DEV_NEED_RESET;
3724 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
3727 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
3728 QLCDB(adapter, DRV, "fw recovery scheduled.\n");
3729 } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
3730 adapter->flags & QLCNIC_FW_RESET_OWNER) {
3731 qlcnic_dump_fw(adapter);
3737 void qlcnic_fw_poll_work(struct work_struct *work)
3739 struct qlcnic_adapter *adapter = container_of(work,
3740 struct qlcnic_adapter, fw_work.work);
3742 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
3746 if (qlcnic_check_health(adapter))
3749 if (adapter->fhash.fnum)
3750 qlcnic_prune_lb_filters(adapter);
3753 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
3756 static int qlcnic_is_first_func(struct pci_dev *pdev)
3758 struct pci_dev *oth_pdev;
3759 int val = pdev->devfn;
3762 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
3763 (pdev->bus), pdev->bus->number,
3764 PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
3768 if (oth_pdev->current_state != PCI_D3cold) {
3769 pci_dev_put(oth_pdev);
3772 pci_dev_put(oth_pdev);
3777 static int qlcnic_attach_func(struct pci_dev *pdev)
3779 int err, first_func;
3780 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3781 struct net_device *netdev = adapter->netdev;
3783 pdev->error_state = pci_channel_io_normal;
3785 err = pci_enable_device(pdev);
3789 pci_set_master(pdev);
3790 pci_restore_state(pdev);
3792 first_func = qlcnic_is_first_func(pdev);
3794 if (qlcnic_api_lock(adapter))
3797 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
3798 adapter->need_fw_reset = 1;
3799 set_bit(__QLCNIC_START_FW, &adapter->state);
3800 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
3801 QLCNIC_DEV_INITIALIZING);
3802 QLCDB(adapter, DRV, "Restarting fw\n");
3804 qlcnic_api_unlock(adapter);
3806 err = qlcnic_start_firmware(adapter);
3810 qlcnic_clr_drv_state(adapter);
3811 kfree(adapter->msix_entries);
3812 adapter->msix_entries = NULL;
3813 err = qlcnic_setup_intr(adapter);
3816 kfree(adapter->msix_entries);
3817 netdev_err(netdev, "failed to setup interrupt\n");
3821 if (netif_running(netdev)) {
3822 err = qlcnic_attach(adapter);
3824 qlcnic_clr_all_drv_state(adapter, 1);
3825 clear_bit(__QLCNIC_AER, &adapter->state);
3826 netif_device_attach(netdev);
3830 err = qlcnic_up(adapter, netdev);
3834 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
3837 netif_device_attach(netdev);
3841 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
3842 pci_channel_state_t state)
3844 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3845 struct net_device *netdev = adapter->netdev;
3847 if (state == pci_channel_io_perm_failure)
3848 return PCI_ERS_RESULT_DISCONNECT;
3850 if (state == pci_channel_io_normal)
3851 return PCI_ERS_RESULT_RECOVERED;
3853 set_bit(__QLCNIC_AER, &adapter->state);
3854 netif_device_detach(netdev);
3856 cancel_delayed_work_sync(&adapter->fw_work);
3858 if (netif_running(netdev))
3859 qlcnic_down(adapter, netdev);
3861 qlcnic_detach(adapter);
3862 qlcnic_teardown_intr(adapter);
3864 clear_bit(__QLCNIC_RESETTING, &adapter->state);
3866 pci_save_state(pdev);
3867 pci_disable_device(pdev);
3869 return PCI_ERS_RESULT_NEED_RESET;
3872 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
3874 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
3875 PCI_ERS_RESULT_RECOVERED;
3878 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
3881 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3883 pci_cleanup_aer_uncorrect_error_status(pdev);
3884 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
3885 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
3887 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
3891 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
3892 pci_channel_state_t state)
3894 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3895 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3897 if (hw_ops->io_error_detected) {
3898 return hw_ops->io_error_detected(pdev, state);
3900 dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
3901 return PCI_ERS_RESULT_DISCONNECT;
3905 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
3907 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3908 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3910 if (hw_ops->io_slot_reset) {
3911 return hw_ops->io_slot_reset(pdev);
3913 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
3914 return PCI_ERS_RESULT_DISCONNECT;
3918 static void qlcnic_io_resume(struct pci_dev *pdev)
3920 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3921 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
3923 if (hw_ops->io_resume)
3924 hw_ops->io_resume(pdev);
3926 dev_err(&pdev->dev, "AER resume handler not registered.\n");
3931 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
3935 err = qlcnic_can_start_firmware(adapter);
3939 err = qlcnic_check_npar_opertional(adapter);
3943 err = qlcnic_initialize_nic(adapter);
3947 qlcnic_check_options(adapter);
3949 err = qlcnic_set_eswitch_port_config(adapter);
3953 adapter->need_fw_reset = 0;
3958 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
3961 struct net_device *netdev = adapter->netdev;
3962 u8 max_hw_rings = 0;
3966 if (queue_type == QLCNIC_RX_QUEUE) {
3967 max_hw_rings = adapter->max_sds_rings;
3968 cur_rings = adapter->drv_sds_rings;
3970 } else if (queue_type == QLCNIC_TX_QUEUE) {
3971 max_hw_rings = adapter->max_tx_rings;
3972 cur_rings = adapter->drv_tx_rings;
3976 if (!QLCNIC_IS_MSI_FAMILY(adapter)) {
3977 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n");
3981 if (adapter->flags & QLCNIC_MSI_ENABLED) {
3982 netdev_err(netdev, "No RSS/TSS support in MSI mode\n");
3986 if (!is_power_of_2(ring_cnt)) {
3987 netdev_err(netdev, "%s rings value should be a power of 2\n",
3992 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
3993 !qlcnic_check_multi_tx(adapter)) {
3994 netdev_err(netdev, "No Multi Tx queue support\n");
3998 if (ring_cnt > num_online_cpus()) {
4000 "%s value[%u] should not be higher than, number of online CPUs\n",
4001 buf, num_online_cpus());
4008 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
4010 struct net_device *netdev = adapter->netdev;
4011 u8 tx_rings, rx_rings;
4014 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
4017 tx_rings = adapter->drv_tss_rings;
4018 rx_rings = adapter->drv_rss_rings;
4020 netif_device_detach(netdev);
4022 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
4026 if (netif_running(netdev))
4027 __qlcnic_down(adapter, netdev);
4029 qlcnic_detach(adapter);
4031 if (qlcnic_83xx_check(adapter)) {
4032 qlcnic_83xx_free_mbx_intr(adapter);
4033 qlcnic_83xx_enable_mbx_poll(adapter);
4036 qlcnic_teardown_intr(adapter);
4038 err = qlcnic_setup_intr(adapter);
4040 kfree(adapter->msix_entries);
4041 netdev_err(netdev, "failed to setup interrupt\n");
4045 /* Check if we need to update real_num_{tx|rx}_queues because
4046 * qlcnic_setup_intr() may change Tx/Rx rings size
4048 if ((tx_rings != adapter->drv_tx_rings) ||
4049 (rx_rings != adapter->drv_sds_rings)) {
4050 err = qlcnic_set_real_num_queues(adapter,
4051 adapter->drv_tx_rings,
4052 adapter->drv_sds_rings);
4057 if (qlcnic_83xx_check(adapter)) {
4058 qlcnic_83xx_initialize_nic(adapter, 1);
4059 err = qlcnic_83xx_setup_mbx_intr(adapter);
4060 qlcnic_83xx_disable_mbx_poll(adapter);
4062 dev_err(&adapter->pdev->dev,
4063 "failed to setup mbx interrupt\n");
4068 if (netif_running(netdev)) {
4069 err = qlcnic_attach(adapter);
4072 err = __qlcnic_up(adapter, netdev);
4075 qlcnic_restore_indev_addr(netdev, NETDEV_UP);
4078 netif_device_attach(netdev);
4079 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4085 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
4088 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
4089 struct net_device *dev, unsigned long event)
4091 struct in_device *indev;
4093 indev = in_dev_get(dev);
4100 qlcnic_config_ipaddr(adapter,
4101 ifa->ifa_address, QLCNIC_IP_UP);
4104 qlcnic_config_ipaddr(adapter,
4105 ifa->ifa_address, QLCNIC_IP_DOWN);
4110 } endfor_ifa(indev);
4115 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
4117 struct qlcnic_adapter *adapter = netdev_priv(netdev);
4118 struct net_device *dev;
4121 qlcnic_config_indev_addr(adapter, netdev, event);
4124 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
4125 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
4128 qlcnic_config_indev_addr(adapter, dev, event);
4133 static int qlcnic_netdev_event(struct notifier_block *this,
4134 unsigned long event, void *ptr)
4136 struct qlcnic_adapter *adapter;
4137 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
4143 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4144 dev = vlan_dev_real_dev(dev);
4148 if (!is_qlcnic_netdev(dev))
4151 adapter = netdev_priv(dev);
4156 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4159 qlcnic_config_indev_addr(adapter, dev, event);
4165 qlcnic_inetaddr_event(struct notifier_block *this,
4166 unsigned long event, void *ptr)
4168 struct qlcnic_adapter *adapter;
4169 struct net_device *dev;
4171 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
4173 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
4179 if (dev->priv_flags & IFF_802_1Q_VLAN) {
4180 dev = vlan_dev_real_dev(dev);
4184 if (!is_qlcnic_netdev(dev))
4187 adapter = netdev_priv(dev);
4192 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
4197 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
4201 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
4212 static struct notifier_block qlcnic_netdev_cb = {
4213 .notifier_call = qlcnic_netdev_event,
4216 static struct notifier_block qlcnic_inetaddr_cb = {
4217 .notifier_call = qlcnic_inetaddr_event,
4220 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
4223 static const struct pci_error_handlers qlcnic_err_handler = {
4224 .error_detected = qlcnic_io_error_detected,
4225 .slot_reset = qlcnic_io_slot_reset,
4226 .resume = qlcnic_io_resume,
4229 static struct pci_driver qlcnic_driver = {
4230 .name = qlcnic_driver_name,
4231 .id_table = qlcnic_pci_tbl,
4232 .probe = qlcnic_probe,
4233 .remove = qlcnic_remove,
4235 .suspend = qlcnic_suspend,
4236 .resume = qlcnic_resume,
4238 .shutdown = qlcnic_shutdown,
4239 .err_handler = &qlcnic_err_handler,
4240 #ifdef CONFIG_QLCNIC_SRIOV
4241 .sriov_configure = qlcnic_pci_sriov_configure,
4246 static int __init qlcnic_init_module(void)
4250 printk(KERN_INFO "%s\n", qlcnic_driver_string);
4253 register_netdevice_notifier(&qlcnic_netdev_cb);
4254 register_inetaddr_notifier(&qlcnic_inetaddr_cb);
4257 ret = pci_register_driver(&qlcnic_driver);
4260 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4261 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4268 module_init(qlcnic_init_module);
4270 static void __exit qlcnic_exit_module(void)
4272 pci_unregister_driver(&qlcnic_driver);
4275 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
4276 unregister_netdevice_notifier(&qlcnic_netdev_cb);
4280 module_exit(qlcnic_exit_module);