1 /* 2 * QLogic qlcnic NIC Driver 3 * Copyright (c) 2009-2013 QLogic Corporation 4 * 5 * See LICENSE.qlcnic for copyright and licensing details. 6 */ 7 8 #include <linux/vmalloc.h> 9 #include <linux/interrupt.h> 10 11 #include "qlcnic.h" 12 #include "qlcnic_sriov.h" 13 #include "qlcnic_hw.h" 14 15 #include <linux/swab.h> 16 #include <linux/dma-mapping.h> 17 #include <linux/if_vlan.h> 18 #include <net/ip.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 25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 26 MODULE_LICENSE("GPL"); 27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 29 30 char qlcnic_driver_name[] = "qlcnic"; 31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 33 34 static int qlcnic_mac_learn; 35 module_param(qlcnic_mac_learn, int, 0444); 36 MODULE_PARM_DESC(qlcnic_mac_learn, 37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 38 39 int qlcnic_use_msi = 1; 40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 41 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 42 43 int qlcnic_use_msi_x = 1; 44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 46 47 int qlcnic_auto_fw_reset = 1; 48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 50 51 int qlcnic_load_fw_file; 52 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)"); 53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 54 55 int qlcnic_config_npars; 56 module_param(qlcnic_config_npars, int, 0444); 57 MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled)"); 58 59 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 60 static void qlcnic_remove(struct pci_dev *pdev); 61 static int qlcnic_open(struct net_device *netdev); 62 static int qlcnic_close(struct net_device *netdev); 63 static void qlcnic_tx_timeout(struct net_device *netdev); 64 static void qlcnic_attach_work(struct work_struct *work); 65 static void qlcnic_fwinit_work(struct work_struct *work); 66 static void qlcnic_fw_poll_work(struct work_struct *work); 67 #ifdef CONFIG_NET_POLL_CONTROLLER 68 static void qlcnic_poll_controller(struct net_device *netdev); 69 #endif 70 71 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 72 static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8); 73 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 74 75 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 76 static irqreturn_t qlcnic_intr(int irq, void *data); 77 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 78 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 79 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 80 81 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 82 static int qlcnic_start_firmware(struct qlcnic_adapter *); 83 84 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 85 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 86 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 87 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 88 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 89 90 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 91 { 92 struct qlcnic_hardware_context *ahw = adapter->ahw; 93 94 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 95 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 96 else 97 return 1; 98 } 99 100 /* PCI Device ID Table */ 101 #define ENTRY(device) \ 102 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 103 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 104 105 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { 106 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 107 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 108 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 109 {0,} 110 }; 111 112 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 113 114 115 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 116 { 117 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 118 } 119 120 static const u32 msi_tgt_status[8] = { 121 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 122 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 123 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 124 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 125 }; 126 127 static const u32 qlcnic_reg_tbl[] = { 128 0x1B20A8, /* PEG_HALT_STAT1 */ 129 0x1B20AC, /* PEG_HALT_STAT2 */ 130 0x1B20B0, /* FW_HEARTBEAT */ 131 0x1B2100, /* LOCK ID */ 132 0x1B2128, /* FW_CAPABILITIES */ 133 0x1B2138, /* drv active */ 134 0x1B2140, /* dev state */ 135 0x1B2144, /* drv state */ 136 0x1B2148, /* drv scratch */ 137 0x1B214C, /* dev partition info */ 138 0x1B2174, /* drv idc ver */ 139 0x1B2150, /* fw version major */ 140 0x1B2154, /* fw version minor */ 141 0x1B2158, /* fw version sub */ 142 0x1B219C, /* npar state */ 143 0x1B21FC, /* FW_IMG_VALID */ 144 0x1B2250, /* CMD_PEG_STATE */ 145 0x1B233C, /* RCV_PEG_STATE */ 146 0x1B23B4, /* ASIC TEMP */ 147 0x1B216C, /* FW api */ 148 0x1B2170, /* drv op mode */ 149 0x13C010, /* flash lock */ 150 0x13C014, /* flash unlock */ 151 }; 152 153 static const struct qlcnic_board_info qlcnic_boards[] = { 154 { PCI_VENDOR_ID_QLOGIC, 155 PCI_DEVICE_ID_QLOGIC_QLE834X, 156 PCI_VENDOR_ID_QLOGIC, 157 0x24e, 158 "8300 Series Dual Port 10GbE Converged Network Adapter " 159 "(TCP/IP Networking)" }, 160 { PCI_VENDOR_ID_QLOGIC, 161 PCI_DEVICE_ID_QLOGIC_QLE834X, 162 PCI_VENDOR_ID_QLOGIC, 163 0x243, 164 "8300 Series Single Port 10GbE Converged Network Adapter " 165 "(TCP/IP Networking)" }, 166 { PCI_VENDOR_ID_QLOGIC, 167 PCI_DEVICE_ID_QLOGIC_QLE834X, 168 PCI_VENDOR_ID_QLOGIC, 169 0x24a, 170 "8300 Series Dual Port 10GbE Converged Network Adapter " 171 "(TCP/IP Networking)" }, 172 { PCI_VENDOR_ID_QLOGIC, 173 PCI_DEVICE_ID_QLOGIC_QLE834X, 174 PCI_VENDOR_ID_QLOGIC, 175 0x246, 176 "8300 Series Dual Port 10GbE Converged Network Adapter " 177 "(TCP/IP Networking)" }, 178 { PCI_VENDOR_ID_QLOGIC, 179 PCI_DEVICE_ID_QLOGIC_QLE834X, 180 PCI_VENDOR_ID_QLOGIC, 181 0x252, 182 "8300 Series Dual Port 10GbE Converged Network Adapter " 183 "(TCP/IP Networking)" }, 184 { PCI_VENDOR_ID_QLOGIC, 185 PCI_DEVICE_ID_QLOGIC_QLE834X, 186 PCI_VENDOR_ID_QLOGIC, 187 0x26e, 188 "8300 Series Dual Port 10GbE Converged Network Adapter " 189 "(TCP/IP Networking)" }, 190 { PCI_VENDOR_ID_QLOGIC, 191 PCI_DEVICE_ID_QLOGIC_QLE834X, 192 PCI_VENDOR_ID_QLOGIC, 193 0x260, 194 "8300 Series Dual Port 10GbE Converged Network Adapter " 195 "(TCP/IP Networking)" }, 196 { PCI_VENDOR_ID_QLOGIC, 197 PCI_DEVICE_ID_QLOGIC_QLE834X, 198 PCI_VENDOR_ID_QLOGIC, 199 0x266, 200 "8300 Series Single Port 10GbE Converged Network Adapter " 201 "(TCP/IP Networking)" }, 202 { PCI_VENDOR_ID_QLOGIC, 203 PCI_DEVICE_ID_QLOGIC_QLE834X, 204 PCI_VENDOR_ID_QLOGIC, 205 0x269, 206 "8300 Series Dual Port 10GbE Converged Network Adapter " 207 "(TCP/IP Networking)" }, 208 { PCI_VENDOR_ID_QLOGIC, 209 PCI_DEVICE_ID_QLOGIC_QLE834X, 210 PCI_VENDOR_ID_QLOGIC, 211 0x271, 212 "8300 Series Dual Port 10GbE Converged Network Adapter " 213 "(TCP/IP Networking)" }, 214 { PCI_VENDOR_ID_QLOGIC, 215 PCI_DEVICE_ID_QLOGIC_QLE834X, 216 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 217 { PCI_VENDOR_ID_QLOGIC, 218 PCI_DEVICE_ID_QLOGIC_QLE824X, 219 PCI_VENDOR_ID_QLOGIC, 220 0x203, 221 "8200 Series Single Port 10GbE Converged Network Adapter" 222 "(TCP/IP Networking)" }, 223 { PCI_VENDOR_ID_QLOGIC, 224 PCI_DEVICE_ID_QLOGIC_QLE824X, 225 PCI_VENDOR_ID_QLOGIC, 226 0x207, 227 "8200 Series Dual Port 10GbE Converged Network Adapter" 228 "(TCP/IP Networking)" }, 229 { PCI_VENDOR_ID_QLOGIC, 230 PCI_DEVICE_ID_QLOGIC_QLE824X, 231 PCI_VENDOR_ID_QLOGIC, 232 0x20b, 233 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 234 { PCI_VENDOR_ID_QLOGIC, 235 PCI_DEVICE_ID_QLOGIC_QLE824X, 236 PCI_VENDOR_ID_QLOGIC, 237 0x20c, 238 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 239 { PCI_VENDOR_ID_QLOGIC, 240 PCI_DEVICE_ID_QLOGIC_QLE824X, 241 PCI_VENDOR_ID_QLOGIC, 242 0x20f, 243 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 244 { PCI_VENDOR_ID_QLOGIC, 245 PCI_DEVICE_ID_QLOGIC_QLE824X, 246 0x103c, 0x3733, 247 "NC523SFP 10Gb 2-port Server Adapter" }, 248 { PCI_VENDOR_ID_QLOGIC, 249 PCI_DEVICE_ID_QLOGIC_QLE824X, 250 0x103c, 0x3346, 251 "CN1000Q Dual Port Converged Network Adapter" }, 252 { PCI_VENDOR_ID_QLOGIC, 253 PCI_DEVICE_ID_QLOGIC_QLE824X, 254 PCI_VENDOR_ID_QLOGIC, 255 0x210, 256 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 257 { PCI_VENDOR_ID_QLOGIC, 258 PCI_DEVICE_ID_QLOGIC_QLE824X, 259 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 260 }; 261 262 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 263 #define QLC_MAX_SDS_RINGS 8 264 265 static const 266 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 267 268 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 269 { 270 int size = sizeof(struct qlcnic_host_sds_ring) * count; 271 272 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 273 274 return recv_ctx->sds_rings == NULL; 275 } 276 277 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 278 { 279 if (recv_ctx->sds_rings != NULL) 280 kfree(recv_ctx->sds_rings); 281 282 recv_ctx->sds_rings = NULL; 283 } 284 285 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 286 { 287 u8 mac_addr[ETH_ALEN]; 288 struct net_device *netdev = adapter->netdev; 289 struct pci_dev *pdev = adapter->pdev; 290 291 if (qlcnic_get_mac_address(adapter, mac_addr) != 0) 292 return -EIO; 293 294 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 295 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 296 297 /* set station address */ 298 299 if (!is_valid_ether_addr(netdev->dev_addr)) 300 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 301 netdev->dev_addr); 302 303 return 0; 304 } 305 306 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 307 { 308 struct qlcnic_mac_list_s *cur; 309 struct list_head *head; 310 311 list_for_each(head, &adapter->mac_list) { 312 cur = list_entry(head, struct qlcnic_mac_list_s, list); 313 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) { 314 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 315 0, QLCNIC_MAC_DEL); 316 list_del(&cur->list); 317 kfree(cur); 318 return; 319 } 320 } 321 } 322 323 static int qlcnic_set_mac(struct net_device *netdev, void *p) 324 { 325 struct qlcnic_adapter *adapter = netdev_priv(netdev); 326 struct sockaddr *addr = p; 327 328 if (qlcnic_sriov_vf_check(adapter)) 329 return -EINVAL; 330 331 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 332 return -EOPNOTSUPP; 333 334 if (!is_valid_ether_addr(addr->sa_data)) 335 return -EINVAL; 336 337 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN)) 338 return 0; 339 340 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 341 netif_device_detach(netdev); 342 qlcnic_napi_disable(adapter); 343 } 344 345 qlcnic_delete_adapter_mac(adapter); 346 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 347 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 348 qlcnic_set_multi(adapter->netdev); 349 350 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 351 netif_device_attach(netdev); 352 qlcnic_napi_enable(adapter); 353 } 354 return 0; 355 } 356 357 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 358 struct net_device *netdev, const unsigned char *addr) 359 { 360 struct qlcnic_adapter *adapter = netdev_priv(netdev); 361 int err = -EOPNOTSUPP; 362 363 if (!adapter->fdb_mac_learn) 364 return ndo_dflt_fdb_del(ndm, tb, netdev, addr); 365 366 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 367 if (is_unicast_ether_addr(addr)) 368 err = qlcnic_nic_del_mac(adapter, addr); 369 else if (is_multicast_ether_addr(addr)) 370 err = dev_mc_del(netdev, addr); 371 else 372 err = -EINVAL; 373 } 374 return err; 375 } 376 377 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 378 struct net_device *netdev, 379 const unsigned char *addr, u16 flags) 380 { 381 struct qlcnic_adapter *adapter = netdev_priv(netdev); 382 int err = 0; 383 384 if (!adapter->fdb_mac_learn) 385 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags); 386 387 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 388 pr_info("%s: FDB e-switch is not enabled\n", __func__); 389 return -EOPNOTSUPP; 390 } 391 392 if (ether_addr_equal(addr, adapter->mac_addr)) 393 return err; 394 395 if (is_unicast_ether_addr(addr)) 396 err = qlcnic_nic_add_mac(adapter, addr, 0); 397 else if (is_multicast_ether_addr(addr)) 398 err = dev_mc_add_excl(netdev, addr); 399 else 400 err = -EINVAL; 401 402 return err; 403 } 404 405 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 406 struct net_device *netdev, int idx) 407 { 408 struct qlcnic_adapter *adapter = netdev_priv(netdev); 409 410 if (!adapter->fdb_mac_learn) 411 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 412 413 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) 414 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 415 416 return idx; 417 } 418 419 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 420 { 421 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 422 usleep_range(10000, 11000); 423 424 cancel_delayed_work_sync(&adapter->fw_work); 425 } 426 427 static const struct net_device_ops qlcnic_netdev_ops = { 428 .ndo_open = qlcnic_open, 429 .ndo_stop = qlcnic_close, 430 .ndo_start_xmit = qlcnic_xmit_frame, 431 .ndo_get_stats = qlcnic_get_stats, 432 .ndo_validate_addr = eth_validate_addr, 433 .ndo_set_rx_mode = qlcnic_set_multi, 434 .ndo_set_mac_address = qlcnic_set_mac, 435 .ndo_change_mtu = qlcnic_change_mtu, 436 .ndo_fix_features = qlcnic_fix_features, 437 .ndo_set_features = qlcnic_set_features, 438 .ndo_tx_timeout = qlcnic_tx_timeout, 439 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 440 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 441 .ndo_fdb_add = qlcnic_fdb_add, 442 .ndo_fdb_del = qlcnic_fdb_del, 443 .ndo_fdb_dump = qlcnic_fdb_dump, 444 #ifdef CONFIG_NET_POLL_CONTROLLER 445 .ndo_poll_controller = qlcnic_poll_controller, 446 #endif 447 #ifdef CONFIG_QLCNIC_SRIOV 448 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 449 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate, 450 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 451 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 452 #endif 453 }; 454 455 static const struct net_device_ops qlcnic_netdev_failed_ops = { 456 .ndo_open = qlcnic_open, 457 }; 458 459 static struct qlcnic_nic_template qlcnic_ops = { 460 .config_bridged_mode = qlcnic_config_bridged_mode, 461 .config_led = qlcnic_82xx_config_led, 462 .start_firmware = qlcnic_82xx_start_firmware, 463 .request_reset = qlcnic_82xx_dev_request_reset, 464 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 465 .napi_add = qlcnic_82xx_napi_add, 466 .napi_del = qlcnic_82xx_napi_del, 467 .config_ipaddr = qlcnic_82xx_config_ipaddr, 468 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 469 }; 470 471 struct qlcnic_nic_template qlcnic_vf_ops = { 472 .config_bridged_mode = qlcnicvf_config_bridged_mode, 473 .config_led = qlcnicvf_config_led, 474 .start_firmware = qlcnicvf_start_firmware 475 }; 476 477 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 478 .read_crb = qlcnic_82xx_read_crb, 479 .write_crb = qlcnic_82xx_write_crb, 480 .read_reg = qlcnic_82xx_hw_read_wx_2M, 481 .write_reg = qlcnic_82xx_hw_write_wx_2M, 482 .get_mac_address = qlcnic_82xx_get_mac_address, 483 .setup_intr = qlcnic_82xx_setup_intr, 484 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 485 .mbx_cmd = qlcnic_82xx_issue_cmd, 486 .get_func_no = qlcnic_82xx_get_func_no, 487 .api_lock = qlcnic_82xx_api_lock, 488 .api_unlock = qlcnic_82xx_api_unlock, 489 .add_sysfs = qlcnic_82xx_add_sysfs, 490 .remove_sysfs = qlcnic_82xx_remove_sysfs, 491 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 492 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 493 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 494 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 495 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 496 .setup_link_event = qlcnic_82xx_linkevent_request, 497 .get_nic_info = qlcnic_82xx_get_nic_info, 498 .get_pci_info = qlcnic_82xx_get_pci_info, 499 .set_nic_info = qlcnic_82xx_set_nic_info, 500 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 501 .napi_enable = qlcnic_82xx_napi_enable, 502 .napi_disable = qlcnic_82xx_napi_disable, 503 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 504 .config_rss = qlcnic_82xx_config_rss, 505 .config_hw_lro = qlcnic_82xx_config_hw_lro, 506 .config_loopback = qlcnic_82xx_set_lb_mode, 507 .clear_loopback = qlcnic_82xx_clear_lb_mode, 508 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 509 .change_l2_filter = qlcnic_82xx_change_filter, 510 .get_board_info = qlcnic_82xx_get_board_info, 511 .free_mac_list = qlcnic_82xx_free_mac_list, 512 }; 513 514 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 515 { 516 struct pci_dev *pdev = adapter->pdev; 517 int err = -1, i; 518 int max_tx_rings, tx_vector; 519 520 if (adapter->flags & QLCNIC_TX_INTR_SHARED) { 521 max_tx_rings = 0; 522 tx_vector = 0; 523 } else { 524 max_tx_rings = adapter->max_drv_tx_rings; 525 tx_vector = 1; 526 } 527 528 if (!adapter->msix_entries) { 529 adapter->msix_entries = kcalloc(num_msix, 530 sizeof(struct msix_entry), 531 GFP_KERNEL); 532 if (!adapter->msix_entries) 533 return -ENOMEM; 534 } 535 536 adapter->max_sds_rings = 1; 537 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 538 539 if (adapter->ahw->msix_supported) { 540 enable_msix: 541 for (i = 0; i < num_msix; i++) 542 adapter->msix_entries[i].entry = i; 543 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); 544 if (err == 0) { 545 adapter->flags |= QLCNIC_MSIX_ENABLED; 546 if (qlcnic_83xx_check(adapter)) { 547 adapter->ahw->num_msix = num_msix; 548 /* subtract mail box and tx ring vectors */ 549 adapter->max_sds_rings = num_msix - 550 max_tx_rings - 1; 551 } else { 552 adapter->max_sds_rings = num_msix; 553 } 554 dev_info(&pdev->dev, "using msi-x interrupts\n"); 555 return err; 556 } else if (err > 0) { 557 dev_info(&pdev->dev, 558 "Unable to allocate %d MSI-X interrupt vectors\n", 559 num_msix); 560 if (qlcnic_83xx_check(adapter)) { 561 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector)) 562 return err; 563 err -= (max_tx_rings + 1); 564 num_msix = rounddown_pow_of_two(err); 565 num_msix += (max_tx_rings + 1); 566 } else { 567 num_msix = rounddown_pow_of_two(err); 568 } 569 570 if (num_msix) { 571 dev_info(&pdev->dev, 572 "Trying to allocate %d MSI-X interrupt vectors\n", 573 num_msix); 574 goto enable_msix; 575 } 576 } else { 577 dev_info(&pdev->dev, 578 "Unable to allocate %d MSI-X interrupt vectors\n", 579 num_msix); 580 } 581 } 582 583 return err; 584 } 585 586 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 587 { 588 int err = 0; 589 u32 offset, mask_reg; 590 const struct qlcnic_legacy_intr_set *legacy_intrp; 591 struct qlcnic_hardware_context *ahw = adapter->ahw; 592 struct pci_dev *pdev = adapter->pdev; 593 594 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 595 adapter->flags |= QLCNIC_MSI_ENABLED; 596 offset = msi_tgt_status[adapter->ahw->pci_func]; 597 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 598 offset); 599 dev_info(&pdev->dev, "using msi interrupts\n"); 600 adapter->msix_entries[0].vector = pdev->irq; 601 return err; 602 } 603 if (qlcnic_use_msi || qlcnic_use_msi_x) 604 return -EOPNOTSUPP; 605 606 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 607 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 608 offset = legacy_intrp->tgt_status_reg; 609 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 610 mask_reg = legacy_intrp->tgt_mask_reg; 611 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 612 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 613 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 614 dev_info(&pdev->dev, "using legacy interrupts\n"); 615 adapter->msix_entries[0].vector = pdev->irq; 616 return err; 617 } 618 619 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr) 620 { 621 int num_msix, err = 0; 622 623 if (!num_intr) 624 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS; 625 626 if (adapter->ahw->msix_supported) 627 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(), 628 num_intr)); 629 else 630 num_msix = 1; 631 632 err = qlcnic_enable_msix(adapter, num_msix); 633 if (err == -ENOMEM || !err) 634 return err; 635 636 err = qlcnic_enable_msi_legacy(adapter); 637 if (!err) 638 return err; 639 640 return -EIO; 641 } 642 643 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 644 { 645 if (adapter->flags & QLCNIC_MSIX_ENABLED) 646 pci_disable_msix(adapter->pdev); 647 if (adapter->flags & QLCNIC_MSI_ENABLED) 648 pci_disable_msi(adapter->pdev); 649 650 kfree(adapter->msix_entries); 651 adapter->msix_entries = NULL; 652 653 if (adapter->ahw->intr_tbl) { 654 vfree(adapter->ahw->intr_tbl); 655 adapter->ahw->intr_tbl = NULL; 656 } 657 } 658 659 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 660 { 661 if (ahw->pci_base0 != NULL) 662 iounmap(ahw->pci_base0); 663 } 664 665 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 666 { 667 struct qlcnic_pci_info *pci_info; 668 int ret; 669 670 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 671 switch (adapter->ahw->port_type) { 672 case QLCNIC_GBE: 673 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS; 674 break; 675 case QLCNIC_XGBE: 676 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS; 677 break; 678 } 679 return 0; 680 } 681 682 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 683 return 0; 684 685 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 686 if (!pci_info) 687 return -ENOMEM; 688 689 ret = qlcnic_get_pci_info(adapter, pci_info); 690 kfree(pci_info); 691 return ret; 692 } 693 694 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 695 { 696 struct qlcnic_pci_info *pci_info; 697 int i, ret = 0, j = 0; 698 u16 act_pci_func; 699 u8 pfn; 700 701 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 702 if (!pci_info) 703 return -ENOMEM; 704 705 ret = qlcnic_get_pci_info(adapter, pci_info); 706 if (ret) 707 goto err_pci_info; 708 709 act_pci_func = adapter->ahw->act_pci_func; 710 711 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 712 act_pci_func, GFP_KERNEL); 713 if (!adapter->npars) { 714 ret = -ENOMEM; 715 goto err_pci_info; 716 } 717 718 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 719 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 720 if (!adapter->eswitch) { 721 ret = -ENOMEM; 722 goto err_npars; 723 } 724 725 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { 726 pfn = pci_info[i].id; 727 728 if (pfn >= QLCNIC_MAX_PCI_FUNC) { 729 ret = QL_STATUS_INVALID_PARAM; 730 goto err_eswitch; 731 } 732 733 if (!pci_info[i].active || 734 (pci_info[i].type != QLCNIC_TYPE_NIC)) 735 continue; 736 737 adapter->npars[j].pci_func = pfn; 738 adapter->npars[j].active = (u8)pci_info[i].active; 739 adapter->npars[j].type = (u8)pci_info[i].type; 740 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 741 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 742 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 743 j++; 744 } 745 746 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) { 747 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 748 if (qlcnic_83xx_check(adapter)) 749 qlcnic_enable_eswitch(adapter, i, 1); 750 } 751 752 kfree(pci_info); 753 return 0; 754 755 err_eswitch: 756 kfree(adapter->eswitch); 757 adapter->eswitch = NULL; 758 err_npars: 759 kfree(adapter->npars); 760 adapter->npars = NULL; 761 err_pci_info: 762 kfree(pci_info); 763 764 return ret; 765 } 766 767 static int 768 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 769 { 770 u8 id; 771 int i, ret = 1; 772 u32 data = QLCNIC_MGMT_FUNC; 773 struct qlcnic_hardware_context *ahw = adapter->ahw; 774 775 ret = qlcnic_api_lock(adapter); 776 if (ret) 777 goto err_lock; 778 779 if (qlcnic_config_npars) { 780 for (i = 0; i < ahw->act_pci_func; i++) { 781 id = adapter->npars[i].pci_func; 782 if (id == ahw->pci_func) 783 continue; 784 data |= (qlcnic_config_npars & 785 QLC_DEV_SET_DRV(0xf, id)); 786 } 787 } else { 788 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 789 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) | 790 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, 791 ahw->pci_func)); 792 } 793 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 794 qlcnic_api_unlock(adapter); 795 err_lock: 796 return ret; 797 } 798 799 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 800 const struct pci_device_id *ent) 801 { 802 u32 op_mode, priv_level; 803 804 /* Determine FW API version */ 805 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 806 QLCNIC_FW_API); 807 808 /* Find PCI function number */ 809 qlcnic_get_func_no(adapter); 810 811 /* Determine function privilege level */ 812 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 813 if (op_mode == QLC_DEV_DRV_DEFAULT) 814 priv_level = QLCNIC_MGMT_FUNC; 815 else 816 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 817 818 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 819 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 820 dev_info(&adapter->pdev->dev, 821 "HAL Version: %d Non Privileged function\n", 822 adapter->ahw->fw_hal_version); 823 adapter->nic_ops = &qlcnic_vf_ops; 824 } else 825 adapter->nic_ops = &qlcnic_ops; 826 } 827 828 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 829 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 830 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 831 { 832 switch (dev_id) { 833 case PCI_DEVICE_ID_QLOGIC_QLE824X: 834 *bar = QLCNIC_82XX_BAR0_LENGTH; 835 break; 836 case PCI_DEVICE_ID_QLOGIC_QLE834X: 837 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 838 *bar = QLCNIC_83XX_BAR0_LENGTH; 839 break; 840 default: 841 *bar = 0; 842 } 843 } 844 845 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 846 struct qlcnic_hardware_context *ahw) 847 { 848 u32 offset; 849 void __iomem *mem_ptr0 = NULL; 850 unsigned long mem_len, pci_len0 = 0, bar0_len; 851 852 /* remap phys address */ 853 mem_len = pci_resource_len(pdev, 0); 854 855 qlcnic_get_bar_length(pdev->device, &bar0_len); 856 if (mem_len >= bar0_len) { 857 858 mem_ptr0 = pci_ioremap_bar(pdev, 0); 859 if (mem_ptr0 == NULL) { 860 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 861 return -EIO; 862 } 863 pci_len0 = mem_len; 864 } else { 865 return -EIO; 866 } 867 868 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 869 870 ahw->pci_base0 = mem_ptr0; 871 ahw->pci_len0 = pci_len0; 872 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 873 qlcnic_get_ioaddr(ahw, offset); 874 875 return 0; 876 } 877 878 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 879 { 880 struct pci_dev *pdev = adapter->pdev; 881 int i, found = 0; 882 883 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 884 if (qlcnic_boards[i].vendor == pdev->vendor && 885 qlcnic_boards[i].device == pdev->device && 886 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor && 887 qlcnic_boards[i].sub_device == pdev->subsystem_device) { 888 sprintf(name, "%pM: %s" , 889 adapter->mac_addr, 890 qlcnic_boards[i].short_name); 891 found = 1; 892 break; 893 } 894 895 } 896 897 if (!found) 898 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 899 } 900 901 static void 902 qlcnic_check_options(struct qlcnic_adapter *adapter) 903 { 904 int err; 905 u32 fw_major, fw_minor, fw_build, prev_fw_version; 906 struct pci_dev *pdev = adapter->pdev; 907 struct qlcnic_hardware_context *ahw = adapter->ahw; 908 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 909 910 prev_fw_version = adapter->fw_version; 911 912 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 913 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 914 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 915 916 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 917 918 err = qlcnic_get_board_info(adapter); 919 if (err) { 920 dev_err(&pdev->dev, "Error getting board config info.\n"); 921 return; 922 } 923 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 924 if (fw_dump->tmpl_hdr == NULL || 925 adapter->fw_version > prev_fw_version) { 926 if (fw_dump->tmpl_hdr) 927 vfree(fw_dump->tmpl_hdr); 928 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 929 dev_info(&pdev->dev, 930 "Supports FW dump capability\n"); 931 } 932 } 933 934 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 935 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 936 937 if (adapter->ahw->port_type == QLCNIC_XGBE) { 938 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 939 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 940 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 941 } else { 942 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 943 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 944 } 945 946 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 947 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 948 949 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 950 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 951 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 952 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 953 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 954 } 955 956 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 957 958 adapter->num_txd = MAX_CMD_DESCRIPTORS; 959 960 adapter->max_rds_rings = MAX_RDS_RINGS; 961 } 962 963 static int 964 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 965 { 966 int err; 967 struct qlcnic_info nic_info; 968 969 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 970 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 971 if (err) 972 return err; 973 974 adapter->ahw->physical_port = (u8)nic_info.phys_port; 975 adapter->ahw->switch_mode = nic_info.switch_mode; 976 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 977 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 978 adapter->ahw->capabilities = nic_info.capabilities; 979 980 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 981 u32 temp; 982 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2); 983 adapter->ahw->capabilities2 = temp; 984 } 985 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 986 adapter->ahw->max_mtu = nic_info.max_mtu; 987 988 /* Disable NPAR for 83XX */ 989 if (qlcnic_83xx_check(adapter)) 990 return err; 991 992 if (adapter->ahw->capabilities & BIT_6) 993 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 994 else 995 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 996 997 return err; 998 } 999 1000 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1001 struct qlcnic_esw_func_cfg *esw_cfg) 1002 { 1003 if (esw_cfg->discard_tagged) 1004 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1005 else 1006 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1007 1008 if (esw_cfg->vlan_id) { 1009 adapter->rx_pvid = esw_cfg->vlan_id; 1010 adapter->tx_pvid = esw_cfg->vlan_id; 1011 } else { 1012 adapter->rx_pvid = 0; 1013 adapter->tx_pvid = 0; 1014 } 1015 } 1016 1017 static int 1018 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1019 { 1020 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1021 int err; 1022 1023 if (qlcnic_sriov_vf_check(adapter)) { 1024 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1025 if (err) { 1026 netdev_err(netdev, 1027 "Cannot add VLAN filter for VLAN id %d, err=%d", 1028 vid, err); 1029 return err; 1030 } 1031 } 1032 1033 set_bit(vid, adapter->vlans); 1034 return 0; 1035 } 1036 1037 static int 1038 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1039 { 1040 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1041 int err; 1042 1043 if (qlcnic_sriov_vf_check(adapter)) { 1044 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1045 if (err) { 1046 netdev_err(netdev, 1047 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1048 vid, err); 1049 return err; 1050 } 1051 } 1052 1053 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1054 clear_bit(vid, adapter->vlans); 1055 return 0; 1056 } 1057 1058 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1059 struct qlcnic_esw_func_cfg *esw_cfg) 1060 { 1061 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1062 QLCNIC_PROMISC_DISABLED); 1063 1064 if (esw_cfg->mac_anti_spoof) 1065 adapter->flags |= QLCNIC_MACSPOOF; 1066 1067 if (!esw_cfg->mac_override) 1068 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1069 1070 if (!esw_cfg->promisc_mode) 1071 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1072 } 1073 1074 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1075 { 1076 struct qlcnic_esw_func_cfg esw_cfg; 1077 1078 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1079 return 0; 1080 1081 esw_cfg.pci_func = adapter->ahw->pci_func; 1082 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1083 return -EIO; 1084 qlcnic_set_vlan_config(adapter, &esw_cfg); 1085 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1086 qlcnic_set_netdev_features(adapter, &esw_cfg); 1087 1088 return 0; 1089 } 1090 1091 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1092 struct qlcnic_esw_func_cfg *esw_cfg) 1093 { 1094 struct net_device *netdev = adapter->netdev; 1095 1096 if (qlcnic_83xx_check(adapter)) 1097 return; 1098 1099 adapter->offload_flags = esw_cfg->offload_flags; 1100 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1101 netdev_update_features(netdev); 1102 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1103 } 1104 1105 static int 1106 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1107 { 1108 u32 op_mode, priv_level; 1109 int err = 0; 1110 1111 err = qlcnic_initialize_nic(adapter); 1112 if (err) 1113 return err; 1114 1115 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1116 return 0; 1117 1118 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1119 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1120 1121 if (op_mode == QLC_DEV_DRV_DEFAULT) 1122 priv_level = QLCNIC_MGMT_FUNC; 1123 else 1124 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1125 1126 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1127 if (priv_level == QLCNIC_MGMT_FUNC) { 1128 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1129 err = qlcnic_init_pci_info(adapter); 1130 if (err) 1131 return err; 1132 /* Set privilege level for other functions */ 1133 qlcnic_set_function_modes(adapter); 1134 dev_info(&adapter->pdev->dev, 1135 "HAL Version: %d, Management function\n", 1136 adapter->ahw->fw_hal_version); 1137 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1138 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1139 dev_info(&adapter->pdev->dev, 1140 "HAL Version: %d, Privileged function\n", 1141 adapter->ahw->fw_hal_version); 1142 } 1143 } 1144 1145 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1146 1147 return err; 1148 } 1149 1150 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1151 { 1152 struct qlcnic_esw_func_cfg esw_cfg; 1153 struct qlcnic_npar_info *npar; 1154 u8 i; 1155 1156 if (adapter->need_fw_reset) 1157 return 0; 1158 1159 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1160 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1161 esw_cfg.pci_func = adapter->npars[i].pci_func; 1162 esw_cfg.mac_override = BIT_0; 1163 esw_cfg.promisc_mode = BIT_0; 1164 if (qlcnic_82xx_check(adapter)) { 1165 esw_cfg.offload_flags = BIT_0; 1166 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1167 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1168 } 1169 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1170 return -EIO; 1171 npar = &adapter->npars[i]; 1172 npar->pvid = esw_cfg.vlan_id; 1173 npar->mac_override = esw_cfg.mac_override; 1174 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1175 npar->discard_tagged = esw_cfg.discard_tagged; 1176 npar->promisc_mode = esw_cfg.promisc_mode; 1177 npar->offload_flags = esw_cfg.offload_flags; 1178 } 1179 1180 return 0; 1181 } 1182 1183 1184 static int 1185 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1186 struct qlcnic_npar_info *npar, int pci_func) 1187 { 1188 struct qlcnic_esw_func_cfg esw_cfg; 1189 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1190 esw_cfg.pci_func = pci_func; 1191 esw_cfg.vlan_id = npar->pvid; 1192 esw_cfg.mac_override = npar->mac_override; 1193 esw_cfg.discard_tagged = npar->discard_tagged; 1194 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1195 esw_cfg.offload_flags = npar->offload_flags; 1196 esw_cfg.promisc_mode = npar->promisc_mode; 1197 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1198 return -EIO; 1199 1200 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1201 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1202 return -EIO; 1203 1204 return 0; 1205 } 1206 1207 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1208 { 1209 int i, err; 1210 struct qlcnic_npar_info *npar; 1211 struct qlcnic_info nic_info; 1212 u8 pci_func; 1213 1214 if (qlcnic_82xx_check(adapter)) 1215 if (!adapter->need_fw_reset) 1216 return 0; 1217 1218 /* Set the NPAR config data after FW reset */ 1219 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1220 npar = &adapter->npars[i]; 1221 pci_func = npar->pci_func; 1222 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1223 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1224 if (err) 1225 return err; 1226 nic_info.min_tx_bw = npar->min_bw; 1227 nic_info.max_tx_bw = npar->max_bw; 1228 err = qlcnic_set_nic_info(adapter, &nic_info); 1229 if (err) 1230 return err; 1231 1232 if (npar->enable_pm) { 1233 err = qlcnic_config_port_mirroring(adapter, 1234 npar->dest_npar, 1, 1235 pci_func); 1236 if (err) 1237 return err; 1238 } 1239 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1240 if (err) 1241 return err; 1242 } 1243 return 0; 1244 } 1245 1246 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1247 { 1248 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1249 u32 npar_state; 1250 1251 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1252 return 0; 1253 1254 npar_state = QLC_SHARED_REG_RD32(adapter, 1255 QLCNIC_CRB_DEV_NPAR_STATE); 1256 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1257 msleep(1000); 1258 npar_state = QLC_SHARED_REG_RD32(adapter, 1259 QLCNIC_CRB_DEV_NPAR_STATE); 1260 } 1261 if (!npar_opt_timeo) { 1262 dev_err(&adapter->pdev->dev, 1263 "Waiting for NPAR state to operational timeout\n"); 1264 return -EIO; 1265 } 1266 return 0; 1267 } 1268 1269 static int 1270 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1271 { 1272 int err; 1273 1274 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1275 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1276 return 0; 1277 1278 err = qlcnic_set_default_offload_settings(adapter); 1279 if (err) 1280 return err; 1281 1282 err = qlcnic_reset_npar_config(adapter); 1283 if (err) 1284 return err; 1285 1286 qlcnic_dev_set_npar_ready(adapter); 1287 1288 return err; 1289 } 1290 1291 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1292 { 1293 int err; 1294 1295 err = qlcnic_can_start_firmware(adapter); 1296 if (err < 0) 1297 return err; 1298 else if (!err) 1299 goto check_fw_status; 1300 1301 if (qlcnic_load_fw_file) 1302 qlcnic_request_firmware(adapter); 1303 else { 1304 err = qlcnic_check_flash_fw_ver(adapter); 1305 if (err) 1306 goto err_out; 1307 1308 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1309 } 1310 1311 err = qlcnic_need_fw_reset(adapter); 1312 if (err == 0) 1313 goto check_fw_status; 1314 1315 err = qlcnic_pinit_from_rom(adapter); 1316 if (err) 1317 goto err_out; 1318 1319 err = qlcnic_load_firmware(adapter); 1320 if (err) 1321 goto err_out; 1322 1323 qlcnic_release_firmware(adapter); 1324 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1325 1326 check_fw_status: 1327 err = qlcnic_check_fw_status(adapter); 1328 if (err) 1329 goto err_out; 1330 1331 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1332 qlcnic_idc_debug_info(adapter, 1); 1333 err = qlcnic_check_eswitch_mode(adapter); 1334 if (err) { 1335 dev_err(&adapter->pdev->dev, 1336 "Memory allocation failed for eswitch\n"); 1337 goto err_out; 1338 } 1339 err = qlcnic_set_mgmt_operations(adapter); 1340 if (err) 1341 goto err_out; 1342 1343 qlcnic_check_options(adapter); 1344 adapter->need_fw_reset = 0; 1345 1346 qlcnic_release_firmware(adapter); 1347 return 0; 1348 1349 err_out: 1350 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1351 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1352 1353 qlcnic_release_firmware(adapter); 1354 return err; 1355 } 1356 1357 static int 1358 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1359 { 1360 irq_handler_t handler; 1361 struct qlcnic_host_sds_ring *sds_ring; 1362 struct qlcnic_host_tx_ring *tx_ring; 1363 int err, ring, num_sds_rings; 1364 1365 unsigned long flags = 0; 1366 struct net_device *netdev = adapter->netdev; 1367 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1368 1369 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1370 if (qlcnic_82xx_check(adapter)) 1371 handler = qlcnic_tmp_intr; 1372 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1373 flags |= IRQF_SHARED; 1374 1375 } else { 1376 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1377 handler = qlcnic_msix_intr; 1378 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1379 handler = qlcnic_msi_intr; 1380 else { 1381 flags |= IRQF_SHARED; 1382 if (qlcnic_82xx_check(adapter)) 1383 handler = qlcnic_intr; 1384 else 1385 handler = qlcnic_83xx_intr; 1386 } 1387 } 1388 adapter->irq = netdev->irq; 1389 1390 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1391 if (qlcnic_82xx_check(adapter) || 1392 (qlcnic_83xx_check(adapter) && 1393 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1394 num_sds_rings = adapter->max_sds_rings; 1395 for (ring = 0; ring < num_sds_rings; ring++) { 1396 sds_ring = &recv_ctx->sds_rings[ring]; 1397 if (qlcnic_82xx_check(adapter) && 1398 (ring == (num_sds_rings - 1))) 1399 snprintf(sds_ring->name, 1400 sizeof(sds_ring->name), 1401 "qlcnic-%s[Tx0+Rx%d]", 1402 netdev->name, ring); 1403 else 1404 snprintf(sds_ring->name, 1405 sizeof(sds_ring->name), 1406 "qlcnic-%s[Rx%d]", 1407 netdev->name, ring); 1408 err = request_irq(sds_ring->irq, handler, flags, 1409 sds_ring->name, sds_ring); 1410 if (err) 1411 return err; 1412 } 1413 } 1414 if (qlcnic_83xx_check(adapter) && 1415 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1416 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { 1417 handler = qlcnic_msix_tx_intr; 1418 for (ring = 0; ring < adapter->max_drv_tx_rings; 1419 ring++) { 1420 tx_ring = &adapter->tx_ring[ring]; 1421 snprintf(tx_ring->name, sizeof(tx_ring->name), 1422 "qlcnic-%s[Tx%d]", netdev->name, ring); 1423 err = request_irq(tx_ring->irq, handler, flags, 1424 tx_ring->name, tx_ring); 1425 if (err) 1426 return err; 1427 } 1428 } 1429 } 1430 return 0; 1431 } 1432 1433 static void 1434 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1435 { 1436 int ring; 1437 struct qlcnic_host_sds_ring *sds_ring; 1438 struct qlcnic_host_tx_ring *tx_ring; 1439 1440 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1441 1442 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1443 if (qlcnic_82xx_check(adapter) || 1444 (qlcnic_83xx_check(adapter) && 1445 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1446 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1447 sds_ring = &recv_ctx->sds_rings[ring]; 1448 free_irq(sds_ring->irq, sds_ring); 1449 } 1450 } 1451 if (qlcnic_83xx_check(adapter) && 1452 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { 1453 for (ring = 0; ring < adapter->max_drv_tx_rings; 1454 ring++) { 1455 tx_ring = &adapter->tx_ring[ring]; 1456 if (tx_ring->irq) 1457 free_irq(tx_ring->irq, tx_ring); 1458 } 1459 } 1460 } 1461 } 1462 1463 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1464 { 1465 u32 capab = 0; 1466 1467 if (qlcnic_82xx_check(adapter)) { 1468 if (adapter->ahw->capabilities2 & 1469 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1470 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1471 } else { 1472 capab = adapter->ahw->capabilities; 1473 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1474 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1475 } 1476 } 1477 1478 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1479 { 1480 int ring; 1481 struct qlcnic_host_rds_ring *rds_ring; 1482 1483 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1484 return -EIO; 1485 1486 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1487 return 0; 1488 if (qlcnic_set_eswitch_port_config(adapter)) 1489 return -EIO; 1490 qlcnic_get_lro_mss_capability(adapter); 1491 1492 if (qlcnic_fw_create_ctx(adapter)) 1493 return -EIO; 1494 1495 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1496 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1497 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1498 } 1499 1500 qlcnic_set_multi(netdev); 1501 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1502 1503 adapter->ahw->linkup = 0; 1504 1505 if (adapter->max_sds_rings > 1) 1506 qlcnic_config_rss(adapter, 1); 1507 1508 qlcnic_config_intr_coalesce(adapter); 1509 1510 if (netdev->features & NETIF_F_LRO) 1511 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1512 1513 qlcnic_napi_enable(adapter); 1514 1515 qlcnic_linkevent_request(adapter, 1); 1516 1517 adapter->ahw->reset_context = 0; 1518 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1519 return 0; 1520 } 1521 1522 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1523 { 1524 int err = 0; 1525 1526 rtnl_lock(); 1527 if (netif_running(netdev)) 1528 err = __qlcnic_up(adapter, netdev); 1529 rtnl_unlock(); 1530 1531 return err; 1532 } 1533 1534 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1535 { 1536 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1537 return; 1538 1539 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1540 return; 1541 1542 if (qlcnic_sriov_vf_check(adapter)) 1543 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1544 smp_mb(); 1545 spin_lock(&adapter->tx_clean_lock); 1546 netif_carrier_off(netdev); 1547 adapter->ahw->linkup = 0; 1548 netif_tx_disable(netdev); 1549 1550 qlcnic_free_mac_list(adapter); 1551 1552 if (adapter->fhash.fnum) 1553 qlcnic_delete_lb_filters(adapter); 1554 1555 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1556 1557 qlcnic_napi_disable(adapter); 1558 1559 qlcnic_fw_destroy_ctx(adapter); 1560 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1561 1562 qlcnic_reset_rx_buffers_list(adapter); 1563 qlcnic_release_tx_buffers(adapter); 1564 spin_unlock(&adapter->tx_clean_lock); 1565 } 1566 1567 /* Usage: During suspend and firmware recovery module */ 1568 1569 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1570 { 1571 rtnl_lock(); 1572 if (netif_running(netdev)) 1573 __qlcnic_down(adapter, netdev); 1574 rtnl_unlock(); 1575 1576 } 1577 1578 int 1579 qlcnic_attach(struct qlcnic_adapter *adapter) 1580 { 1581 struct net_device *netdev = adapter->netdev; 1582 struct pci_dev *pdev = adapter->pdev; 1583 int err; 1584 1585 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1586 return 0; 1587 1588 err = qlcnic_napi_add(adapter, netdev); 1589 if (err) 1590 return err; 1591 1592 err = qlcnic_alloc_sw_resources(adapter); 1593 if (err) { 1594 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1595 goto err_out_napi_del; 1596 } 1597 1598 err = qlcnic_alloc_hw_resources(adapter); 1599 if (err) { 1600 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1601 goto err_out_free_sw; 1602 } 1603 1604 err = qlcnic_request_irq(adapter); 1605 if (err) { 1606 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1607 goto err_out_free_hw; 1608 } 1609 1610 qlcnic_create_sysfs_entries(adapter); 1611 1612 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 1613 return 0; 1614 1615 err_out_free_hw: 1616 qlcnic_free_hw_resources(adapter); 1617 err_out_free_sw: 1618 qlcnic_free_sw_resources(adapter); 1619 err_out_napi_del: 1620 qlcnic_napi_del(adapter); 1621 return err; 1622 } 1623 1624 void qlcnic_detach(struct qlcnic_adapter *adapter) 1625 { 1626 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1627 return; 1628 1629 qlcnic_remove_sysfs_entries(adapter); 1630 1631 qlcnic_free_hw_resources(adapter); 1632 qlcnic_release_rx_buffers(adapter); 1633 qlcnic_free_irq(adapter); 1634 qlcnic_napi_del(adapter); 1635 qlcnic_free_sw_resources(adapter); 1636 1637 adapter->is_up = 0; 1638 } 1639 1640 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) 1641 { 1642 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1643 struct qlcnic_host_sds_ring *sds_ring; 1644 int ring; 1645 1646 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 1647 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1648 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1649 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1650 qlcnic_disable_int(sds_ring); 1651 } 1652 } 1653 1654 qlcnic_fw_destroy_ctx(adapter); 1655 1656 qlcnic_detach(adapter); 1657 1658 adapter->ahw->diag_test = 0; 1659 adapter->max_sds_rings = max_sds_rings; 1660 1661 if (qlcnic_attach(adapter)) 1662 goto out; 1663 1664 if (netif_running(netdev)) 1665 __qlcnic_up(adapter, netdev); 1666 out: 1667 netif_device_attach(netdev); 1668 } 1669 1670 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 1671 { 1672 struct qlcnic_hardware_context *ahw = adapter->ahw; 1673 int err = 0; 1674 1675 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 1676 GFP_KERNEL); 1677 if (!adapter->recv_ctx) { 1678 err = -ENOMEM; 1679 goto err_out; 1680 } 1681 /* Initialize interrupt coalesce parameters */ 1682 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1683 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1684 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1685 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1686 if (qlcnic_83xx_check(adapter)) { 1687 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1688 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1689 } 1690 /* clear stats */ 1691 memset(&adapter->stats, 0, sizeof(adapter->stats)); 1692 err_out: 1693 return err; 1694 } 1695 1696 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 1697 { 1698 kfree(adapter->recv_ctx); 1699 adapter->recv_ctx = NULL; 1700 1701 if (adapter->ahw->fw_dump.tmpl_hdr) { 1702 vfree(adapter->ahw->fw_dump.tmpl_hdr); 1703 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1704 } 1705 1706 kfree(adapter->ahw->reset.buff); 1707 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1708 } 1709 1710 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 1711 { 1712 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1713 struct qlcnic_host_sds_ring *sds_ring; 1714 struct qlcnic_host_rds_ring *rds_ring; 1715 int ring; 1716 int ret; 1717 1718 netif_device_detach(netdev); 1719 1720 if (netif_running(netdev)) 1721 __qlcnic_down(adapter, netdev); 1722 1723 qlcnic_detach(adapter); 1724 1725 adapter->max_sds_rings = 1; 1726 adapter->ahw->diag_test = test; 1727 adapter->ahw->linkup = 0; 1728 1729 ret = qlcnic_attach(adapter); 1730 if (ret) { 1731 netif_device_attach(netdev); 1732 return ret; 1733 } 1734 1735 ret = qlcnic_fw_create_ctx(adapter); 1736 if (ret) { 1737 qlcnic_detach(adapter); 1738 netif_device_attach(netdev); 1739 return ret; 1740 } 1741 1742 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1743 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1744 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1745 } 1746 1747 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1748 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1749 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1750 qlcnic_enable_int(sds_ring); 1751 } 1752 } 1753 1754 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 1755 adapter->ahw->loopback_state = 0; 1756 qlcnic_linkevent_request(adapter, 1); 1757 } 1758 1759 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1760 1761 return 0; 1762 } 1763 1764 /* Reset context in hardware only */ 1765 static int 1766 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 1767 { 1768 struct net_device *netdev = adapter->netdev; 1769 1770 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1771 return -EBUSY; 1772 1773 netif_device_detach(netdev); 1774 1775 qlcnic_down(adapter, netdev); 1776 1777 qlcnic_up(adapter, netdev); 1778 1779 netif_device_attach(netdev); 1780 1781 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1782 dev_err(&adapter->pdev->dev, "%s:\n", __func__); 1783 return 0; 1784 } 1785 1786 int 1787 qlcnic_reset_context(struct qlcnic_adapter *adapter) 1788 { 1789 int err = 0; 1790 struct net_device *netdev = adapter->netdev; 1791 1792 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1793 return -EBUSY; 1794 1795 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 1796 1797 netif_device_detach(netdev); 1798 1799 if (netif_running(netdev)) 1800 __qlcnic_down(adapter, netdev); 1801 1802 qlcnic_detach(adapter); 1803 1804 if (netif_running(netdev)) { 1805 err = qlcnic_attach(adapter); 1806 if (!err) { 1807 __qlcnic_up(adapter, netdev); 1808 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 1809 } 1810 } 1811 1812 netif_device_attach(netdev); 1813 } 1814 1815 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1816 return err; 1817 } 1818 1819 int 1820 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 1821 int pci_using_dac) 1822 { 1823 int err; 1824 struct pci_dev *pdev = adapter->pdev; 1825 1826 adapter->rx_csum = 1; 1827 adapter->ahw->mc_enabled = 0; 1828 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 1829 1830 netdev->netdev_ops = &qlcnic_netdev_ops; 1831 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 1832 1833 qlcnic_change_mtu(netdev, netdev->mtu); 1834 1835 if (qlcnic_sriov_vf_check(adapter)) 1836 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops); 1837 else 1838 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); 1839 1840 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 1841 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 1842 NETIF_F_HW_VLAN_CTAG_RX); 1843 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 1844 NETIF_F_IPV6_CSUM); 1845 1846 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 1847 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 1848 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 1849 } 1850 1851 if (pci_using_dac) { 1852 netdev->features |= NETIF_F_HIGHDMA; 1853 netdev->vlan_features |= NETIF_F_HIGHDMA; 1854 } 1855 1856 if (qlcnic_vlan_tx_check(adapter)) 1857 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 1858 1859 if (qlcnic_sriov_vf_check(adapter)) 1860 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 1861 1862 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 1863 netdev->features |= NETIF_F_LRO; 1864 1865 netdev->hw_features = netdev->features; 1866 netdev->irq = adapter->msix_entries[0].vector; 1867 1868 err = register_netdev(netdev); 1869 if (err) { 1870 dev_err(&pdev->dev, "failed to register net device\n"); 1871 return err; 1872 } 1873 1874 return 0; 1875 } 1876 1877 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 1878 { 1879 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 1880 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 1881 *pci_using_dac = 1; 1882 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 1883 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 1884 *pci_using_dac = 0; 1885 else { 1886 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 1887 return -EIO; 1888 } 1889 1890 return 0; 1891 } 1892 1893 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 1894 { 1895 int ring; 1896 struct qlcnic_host_tx_ring *tx_ring; 1897 1898 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 1899 tx_ring = &adapter->tx_ring[ring]; 1900 if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 1901 vfree(tx_ring->cmd_buf_arr); 1902 tx_ring->cmd_buf_arr = NULL; 1903 } 1904 } 1905 if (adapter->tx_ring != NULL) 1906 kfree(adapter->tx_ring); 1907 } 1908 1909 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 1910 struct net_device *netdev) 1911 { 1912 int ring, vector, index; 1913 struct qlcnic_host_tx_ring *tx_ring; 1914 struct qlcnic_cmd_buffer *cmd_buf_arr; 1915 1916 tx_ring = kcalloc(adapter->max_drv_tx_rings, 1917 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 1918 if (tx_ring == NULL) 1919 return -ENOMEM; 1920 1921 adapter->tx_ring = tx_ring; 1922 1923 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 1924 tx_ring = &adapter->tx_ring[ring]; 1925 tx_ring->num_desc = adapter->num_txd; 1926 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 1927 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 1928 if (cmd_buf_arr == NULL) { 1929 qlcnic_free_tx_rings(adapter); 1930 return -ENOMEM; 1931 } 1932 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 1933 tx_ring->cmd_buf_arr = cmd_buf_arr; 1934 } 1935 1936 if (qlcnic_83xx_check(adapter)) { 1937 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 1938 tx_ring = &adapter->tx_ring[ring]; 1939 tx_ring->adapter = adapter; 1940 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 1941 index = adapter->max_sds_rings + ring; 1942 vector = adapter->msix_entries[index].vector; 1943 tx_ring->irq = vector; 1944 } 1945 } 1946 } 1947 return 0; 1948 } 1949 1950 static int 1951 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 1952 { 1953 struct net_device *netdev = NULL; 1954 struct qlcnic_adapter *adapter = NULL; 1955 struct qlcnic_hardware_context *ahw; 1956 int err, pci_using_dac = -1; 1957 u32 capab2; 1958 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 1959 1960 if (pdev->is_virtfn) 1961 return -ENODEV; 1962 1963 err = pci_enable_device(pdev); 1964 if (err) 1965 return err; 1966 1967 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 1968 err = -ENODEV; 1969 goto err_out_disable_pdev; 1970 } 1971 1972 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 1973 if (err) 1974 goto err_out_disable_pdev; 1975 1976 err = pci_request_regions(pdev, qlcnic_driver_name); 1977 if (err) 1978 goto err_out_disable_pdev; 1979 1980 pci_set_master(pdev); 1981 pci_enable_pcie_error_reporting(pdev); 1982 1983 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 1984 if (!ahw) { 1985 err = -ENOMEM; 1986 goto err_out_free_res; 1987 } 1988 1989 switch (ent->device) { 1990 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1991 ahw->hw_ops = &qlcnic_hw_ops; 1992 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 1993 break; 1994 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1995 qlcnic_83xx_register_map(ahw); 1996 break; 1997 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1998 qlcnic_sriov_vf_register_map(ahw); 1999 break; 2000 default: 2001 goto err_out_free_hw_res; 2002 } 2003 2004 err = qlcnic_setup_pci_map(pdev, ahw); 2005 if (err) 2006 goto err_out_free_hw_res; 2007 2008 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter)); 2009 if (!netdev) { 2010 err = -ENOMEM; 2011 goto err_out_iounmap; 2012 } 2013 2014 SET_NETDEV_DEV(netdev, &pdev->dev); 2015 2016 adapter = netdev_priv(netdev); 2017 adapter->netdev = netdev; 2018 adapter->pdev = pdev; 2019 adapter->ahw = ahw; 2020 2021 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2022 if (adapter->qlcnic_wq == NULL) { 2023 err = -ENOMEM; 2024 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2025 goto err_out_free_netdev; 2026 } 2027 2028 err = qlcnic_alloc_adapter_resources(adapter); 2029 if (err) 2030 goto err_out_free_netdev; 2031 2032 adapter->dev_rst_time = jiffies; 2033 adapter->ahw->revision_id = pdev->revision; 2034 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2035 adapter->fdb_mac_learn = true; 2036 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2037 adapter->drv_mac_learn = true; 2038 adapter->max_drv_tx_rings = 1; 2039 2040 rwlock_init(&adapter->ahw->crb_lock); 2041 mutex_init(&adapter->ahw->mem_lock); 2042 2043 spin_lock_init(&adapter->tx_clean_lock); 2044 INIT_LIST_HEAD(&adapter->mac_list); 2045 2046 if (qlcnic_82xx_check(adapter)) { 2047 qlcnic_check_vf(adapter, ent); 2048 adapter->portnum = adapter->ahw->pci_func; 2049 err = qlcnic_start_firmware(adapter); 2050 if (err) { 2051 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); 2052 goto err_out_free_hw; 2053 } 2054 2055 err = qlcnic_setup_idc_param(adapter); 2056 if (err) 2057 goto err_out_free_hw; 2058 2059 adapter->flags |= QLCNIC_NEED_FLR; 2060 } else if (qlcnic_83xx_check(adapter)) { 2061 qlcnic_83xx_check_vf(adapter, ent); 2062 adapter->portnum = adapter->ahw->pci_func; 2063 err = qlcnic_83xx_init(adapter, pci_using_dac); 2064 if (err) { 2065 dev_err(&pdev->dev, "%s: failed\n", __func__); 2066 goto err_out_free_hw; 2067 } 2068 if (qlcnic_sriov_vf_check(adapter)) 2069 return 0; 2070 } else { 2071 dev_err(&pdev->dev, 2072 "%s: failed. Please Reboot\n", __func__); 2073 goto err_out_free_hw; 2074 } 2075 2076 if (qlcnic_read_mac_addr(adapter)) 2077 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2078 2079 if (adapter->portnum == 0) { 2080 qlcnic_get_board_name(adapter, board_name); 2081 2082 pr_info("%s: %s Board Chip rev 0x%x\n", 2083 module_name(THIS_MODULE), 2084 board_name, adapter->ahw->revision_id); 2085 } 2086 2087 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2088 !!qlcnic_use_msi) 2089 dev_warn(&pdev->dev, 2090 "83xx adapter do not support MSI interrupts\n"); 2091 2092 err = qlcnic_setup_intr(adapter, 0); 2093 if (err) { 2094 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2095 goto err_out_disable_msi; 2096 } 2097 2098 if (qlcnic_83xx_check(adapter)) { 2099 err = qlcnic_83xx_setup_mbx_intr(adapter); 2100 if (err) 2101 goto err_out_disable_msi; 2102 } 2103 2104 err = qlcnic_get_act_pci_func(adapter); 2105 if (err) 2106 goto err_out_disable_mbx_intr; 2107 2108 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2109 if (err) 2110 goto err_out_disable_mbx_intr; 2111 2112 if (qlcnic_82xx_check(adapter)) { 2113 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 2114 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2); 2115 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB) 2116 qlcnic_fw_cmd_set_drv_version(adapter); 2117 } 2118 } 2119 2120 pci_set_drvdata(pdev, adapter); 2121 2122 if (qlcnic_82xx_check(adapter)) 2123 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2124 FW_POLL_DELAY); 2125 2126 switch (adapter->ahw->port_type) { 2127 case QLCNIC_GBE: 2128 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2129 adapter->netdev->name); 2130 break; 2131 case QLCNIC_XGBE: 2132 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2133 adapter->netdev->name); 2134 break; 2135 } 2136 2137 if (adapter->drv_mac_learn) 2138 qlcnic_alloc_lb_filters_mem(adapter); 2139 2140 qlcnic_add_sysfs(adapter); 2141 2142 return 0; 2143 2144 err_out_disable_mbx_intr: 2145 if (qlcnic_83xx_check(adapter)) 2146 qlcnic_83xx_free_mbx_intr(adapter); 2147 2148 err_out_disable_msi: 2149 qlcnic_teardown_intr(adapter); 2150 qlcnic_cancel_idc_work(adapter); 2151 qlcnic_clr_all_drv_state(adapter, 0); 2152 2153 err_out_free_hw: 2154 qlcnic_free_adapter_resources(adapter); 2155 2156 err_out_free_netdev: 2157 free_netdev(netdev); 2158 2159 err_out_iounmap: 2160 qlcnic_cleanup_pci_map(ahw); 2161 2162 err_out_free_hw_res: 2163 kfree(ahw); 2164 2165 err_out_free_res: 2166 pci_release_regions(pdev); 2167 2168 err_out_disable_pdev: 2169 pci_set_drvdata(pdev, NULL); 2170 pci_disable_device(pdev); 2171 return err; 2172 } 2173 2174 static void qlcnic_remove(struct pci_dev *pdev) 2175 { 2176 struct qlcnic_adapter *adapter; 2177 struct net_device *netdev; 2178 struct qlcnic_hardware_context *ahw; 2179 2180 adapter = pci_get_drvdata(pdev); 2181 if (adapter == NULL) 2182 return; 2183 2184 netdev = adapter->netdev; 2185 qlcnic_sriov_pf_disable(adapter); 2186 2187 qlcnic_cancel_idc_work(adapter); 2188 ahw = adapter->ahw; 2189 2190 unregister_netdev(netdev); 2191 qlcnic_sriov_cleanup(adapter); 2192 2193 if (qlcnic_83xx_check(adapter)) { 2194 qlcnic_83xx_free_mbx_intr(adapter); 2195 qlcnic_83xx_register_nic_idc_func(adapter, 0); 2196 cancel_delayed_work_sync(&adapter->idc_aen_work); 2197 } 2198 2199 qlcnic_detach(adapter); 2200 2201 if (adapter->npars != NULL) 2202 kfree(adapter->npars); 2203 if (adapter->eswitch != NULL) 2204 kfree(adapter->eswitch); 2205 2206 if (qlcnic_82xx_check(adapter)) 2207 qlcnic_clr_all_drv_state(adapter, 0); 2208 2209 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2210 2211 qlcnic_free_lb_filters_mem(adapter); 2212 2213 qlcnic_teardown_intr(adapter); 2214 2215 qlcnic_remove_sysfs(adapter); 2216 2217 qlcnic_cleanup_pci_map(adapter->ahw); 2218 2219 qlcnic_release_firmware(adapter); 2220 2221 pci_disable_pcie_error_reporting(pdev); 2222 pci_release_regions(pdev); 2223 pci_disable_device(pdev); 2224 pci_set_drvdata(pdev, NULL); 2225 2226 if (adapter->qlcnic_wq) { 2227 destroy_workqueue(adapter->qlcnic_wq); 2228 adapter->qlcnic_wq = NULL; 2229 } 2230 qlcnic_free_adapter_resources(adapter); 2231 kfree(ahw); 2232 free_netdev(netdev); 2233 } 2234 static int __qlcnic_shutdown(struct pci_dev *pdev) 2235 { 2236 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2237 struct net_device *netdev = adapter->netdev; 2238 int retval; 2239 2240 netif_device_detach(netdev); 2241 2242 qlcnic_cancel_idc_work(adapter); 2243 2244 if (netif_running(netdev)) 2245 qlcnic_down(adapter, netdev); 2246 2247 qlcnic_sriov_cleanup(adapter); 2248 if (qlcnic_82xx_check(adapter)) 2249 qlcnic_clr_all_drv_state(adapter, 0); 2250 2251 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2252 2253 retval = pci_save_state(pdev); 2254 if (retval) 2255 return retval; 2256 if (qlcnic_82xx_check(adapter)) { 2257 if (qlcnic_wol_supported(adapter)) { 2258 pci_enable_wake(pdev, PCI_D3cold, 1); 2259 pci_enable_wake(pdev, PCI_D3hot, 1); 2260 } 2261 } 2262 2263 return 0; 2264 } 2265 2266 static void qlcnic_shutdown(struct pci_dev *pdev) 2267 { 2268 if (__qlcnic_shutdown(pdev)) 2269 return; 2270 2271 pci_disable_device(pdev); 2272 } 2273 2274 #ifdef CONFIG_PM 2275 static int 2276 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2277 { 2278 int retval; 2279 2280 retval = __qlcnic_shutdown(pdev); 2281 if (retval) 2282 return retval; 2283 2284 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2285 return 0; 2286 } 2287 2288 static int 2289 qlcnic_resume(struct pci_dev *pdev) 2290 { 2291 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2292 struct net_device *netdev = adapter->netdev; 2293 int err; 2294 2295 err = pci_enable_device(pdev); 2296 if (err) 2297 return err; 2298 2299 pci_set_power_state(pdev, PCI_D0); 2300 pci_set_master(pdev); 2301 pci_restore_state(pdev); 2302 2303 err = qlcnic_start_firmware(adapter); 2304 if (err) { 2305 dev_err(&pdev->dev, "failed to start firmware\n"); 2306 return err; 2307 } 2308 2309 if (netif_running(netdev)) { 2310 err = qlcnic_up(adapter, netdev); 2311 if (err) 2312 goto done; 2313 2314 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2315 } 2316 done: 2317 netif_device_attach(netdev); 2318 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 2319 return 0; 2320 } 2321 #endif 2322 2323 static int qlcnic_open(struct net_device *netdev) 2324 { 2325 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2326 int err; 2327 2328 netif_carrier_off(netdev); 2329 2330 err = qlcnic_attach(adapter); 2331 if (err) 2332 return err; 2333 2334 err = __qlcnic_up(adapter, netdev); 2335 if (err) 2336 goto err_out; 2337 2338 netif_start_queue(netdev); 2339 2340 return 0; 2341 2342 err_out: 2343 qlcnic_detach(adapter); 2344 return err; 2345 } 2346 2347 /* 2348 * qlcnic_close - Disables a network interface entry point 2349 */ 2350 static int qlcnic_close(struct net_device *netdev) 2351 { 2352 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2353 2354 __qlcnic_down(adapter, netdev); 2355 2356 return 0; 2357 } 2358 2359 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2360 { 2361 void *head; 2362 int i; 2363 struct net_device *netdev = adapter->netdev; 2364 u32 filter_size = 0; 2365 u16 act_pci_func = 0; 2366 2367 if (adapter->fhash.fmax && adapter->fhash.fhead) 2368 return; 2369 2370 act_pci_func = adapter->ahw->act_pci_func; 2371 spin_lock_init(&adapter->mac_learn_lock); 2372 spin_lock_init(&adapter->rx_mac_learn_lock); 2373 2374 if (qlcnic_82xx_check(adapter)) { 2375 filter_size = QLCNIC_LB_MAX_FILTERS; 2376 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2377 } else { 2378 filter_size = QLC_83XX_LB_MAX_FILTERS; 2379 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2380 } 2381 2382 head = kcalloc(adapter->fhash.fbucket_size, 2383 sizeof(struct hlist_head), GFP_ATOMIC); 2384 2385 if (!head) 2386 return; 2387 2388 adapter->fhash.fmax = (filter_size / act_pci_func); 2389 adapter->fhash.fhead = head; 2390 2391 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2392 act_pci_func, adapter->fhash.fmax); 2393 2394 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2395 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2396 2397 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2398 2399 head = kcalloc(adapter->rx_fhash.fbucket_size, 2400 sizeof(struct hlist_head), GFP_ATOMIC); 2401 2402 if (!head) 2403 return; 2404 2405 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2406 adapter->rx_fhash.fhead = head; 2407 2408 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2409 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2410 } 2411 2412 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2413 { 2414 if (adapter->fhash.fmax && adapter->fhash.fhead) 2415 kfree(adapter->fhash.fhead); 2416 2417 adapter->fhash.fhead = NULL; 2418 adapter->fhash.fmax = 0; 2419 2420 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 2421 kfree(adapter->rx_fhash.fhead); 2422 2423 adapter->rx_fhash.fmax = 0; 2424 adapter->rx_fhash.fhead = NULL; 2425 } 2426 2427 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2428 { 2429 struct net_device *netdev = adapter->netdev; 2430 u32 temp_state, temp_val, temp = 0; 2431 int rv = 0; 2432 2433 if (qlcnic_83xx_check(adapter)) 2434 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2435 2436 if (qlcnic_82xx_check(adapter)) 2437 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2438 2439 temp_state = qlcnic_get_temp_state(temp); 2440 temp_val = qlcnic_get_temp_val(temp); 2441 2442 if (temp_state == QLCNIC_TEMP_PANIC) { 2443 dev_err(&netdev->dev, 2444 "Device temperature %d degrees C exceeds" 2445 " maximum allowed. Hardware has been shut down.\n", 2446 temp_val); 2447 rv = 1; 2448 } else if (temp_state == QLCNIC_TEMP_WARN) { 2449 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2450 dev_err(&netdev->dev, 2451 "Device temperature %d degrees C " 2452 "exceeds operating range." 2453 " Immediate action needed.\n", 2454 temp_val); 2455 } 2456 } else { 2457 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2458 dev_info(&netdev->dev, 2459 "Device temperature is now %d degrees C" 2460 " in normal range.\n", temp_val); 2461 } 2462 } 2463 adapter->ahw->temp = temp_state; 2464 return rv; 2465 } 2466 2467 static void qlcnic_tx_timeout(struct net_device *netdev) 2468 { 2469 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2470 2471 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 2472 return; 2473 2474 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) { 2475 netdev_info(netdev, "Tx timeout, reset the adapter.\n"); 2476 if (qlcnic_82xx_check(adapter)) 2477 adapter->need_fw_reset = 1; 2478 else if (qlcnic_83xx_check(adapter)) 2479 qlcnic_83xx_idc_request_reset(adapter, 2480 QLCNIC_FORCE_FW_DUMP_KEY); 2481 } else { 2482 netdev_info(netdev, "Tx timeout, reset adapter context.\n"); 2483 adapter->ahw->reset_context = 1; 2484 } 2485 } 2486 2487 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 2488 { 2489 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2490 struct net_device_stats *stats = &netdev->stats; 2491 2492 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 2493 stats->tx_packets = adapter->stats.xmitfinished; 2494 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 2495 stats->tx_bytes = adapter->stats.txbytes; 2496 stats->rx_dropped = adapter->stats.rxdropped; 2497 stats->tx_dropped = adapter->stats.txdropped; 2498 2499 return stats; 2500 } 2501 2502 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 2503 { 2504 u32 status; 2505 2506 status = readl(adapter->isr_int_vec); 2507 2508 if (!(status & adapter->ahw->int_vec_bit)) 2509 return IRQ_NONE; 2510 2511 /* check interrupt state machine, to be sure */ 2512 status = readl(adapter->crb_int_state_reg); 2513 if (!ISR_LEGACY_INT_TRIGGERED(status)) 2514 return IRQ_NONE; 2515 2516 writel(0xffffffff, adapter->tgt_status_reg); 2517 /* read twice to ensure write is flushed */ 2518 readl(adapter->isr_int_vec); 2519 readl(adapter->isr_int_vec); 2520 2521 return IRQ_HANDLED; 2522 } 2523 2524 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 2525 { 2526 struct qlcnic_host_sds_ring *sds_ring = data; 2527 struct qlcnic_adapter *adapter = sds_ring->adapter; 2528 2529 if (adapter->flags & QLCNIC_MSIX_ENABLED) 2530 goto done; 2531 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 2532 writel(0xffffffff, adapter->tgt_status_reg); 2533 goto done; 2534 } 2535 2536 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2537 return IRQ_NONE; 2538 2539 done: 2540 adapter->ahw->diag_cnt++; 2541 qlcnic_enable_int(sds_ring); 2542 return IRQ_HANDLED; 2543 } 2544 2545 static irqreturn_t qlcnic_intr(int irq, void *data) 2546 { 2547 struct qlcnic_host_sds_ring *sds_ring = data; 2548 struct qlcnic_adapter *adapter = sds_ring->adapter; 2549 2550 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2551 return IRQ_NONE; 2552 2553 napi_schedule(&sds_ring->napi); 2554 2555 return IRQ_HANDLED; 2556 } 2557 2558 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 2559 { 2560 struct qlcnic_host_sds_ring *sds_ring = data; 2561 struct qlcnic_adapter *adapter = sds_ring->adapter; 2562 2563 /* clear interrupt */ 2564 writel(0xffffffff, adapter->tgt_status_reg); 2565 2566 napi_schedule(&sds_ring->napi); 2567 return IRQ_HANDLED; 2568 } 2569 2570 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 2571 { 2572 struct qlcnic_host_sds_ring *sds_ring = data; 2573 2574 napi_schedule(&sds_ring->napi); 2575 return IRQ_HANDLED; 2576 } 2577 2578 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 2579 { 2580 struct qlcnic_host_tx_ring *tx_ring = data; 2581 2582 napi_schedule(&tx_ring->napi); 2583 return IRQ_HANDLED; 2584 } 2585 2586 #ifdef CONFIG_NET_POLL_CONTROLLER 2587 static void qlcnic_poll_controller(struct net_device *netdev) 2588 { 2589 int ring; 2590 struct qlcnic_host_sds_ring *sds_ring; 2591 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2592 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2593 2594 disable_irq(adapter->irq); 2595 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 2596 sds_ring = &recv_ctx->sds_rings[ring]; 2597 qlcnic_intr(adapter->irq, sds_ring); 2598 } 2599 enable_irq(adapter->irq); 2600 } 2601 #endif 2602 2603 static void 2604 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 2605 { 2606 u32 val; 2607 2608 val = adapter->portnum & 0xf; 2609 val |= encoding << 7; 2610 val |= (jiffies - adapter->dev_rst_time) << 8; 2611 2612 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 2613 adapter->dev_rst_time = jiffies; 2614 } 2615 2616 static int 2617 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 2618 { 2619 u32 val; 2620 2621 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 2622 state != QLCNIC_DEV_NEED_QUISCENT); 2623 2624 if (qlcnic_api_lock(adapter)) 2625 return -EIO; 2626 2627 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2628 2629 if (state == QLCNIC_DEV_NEED_RESET) 2630 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2631 else if (state == QLCNIC_DEV_NEED_QUISCENT) 2632 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 2633 2634 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2635 2636 qlcnic_api_unlock(adapter); 2637 2638 return 0; 2639 } 2640 2641 static int 2642 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 2643 { 2644 u32 val; 2645 2646 if (qlcnic_api_lock(adapter)) 2647 return -EBUSY; 2648 2649 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2650 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2651 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2652 2653 qlcnic_api_unlock(adapter); 2654 2655 return 0; 2656 } 2657 2658 static void 2659 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 2660 { 2661 u32 val; 2662 2663 if (qlcnic_api_lock(adapter)) 2664 goto err; 2665 2666 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2667 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 2668 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2669 2670 if (failed) { 2671 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2672 QLCNIC_DEV_FAILED); 2673 dev_info(&adapter->pdev->dev, 2674 "Device state set to Failed. Please Reboot\n"); 2675 } else if (!(val & 0x11111111)) 2676 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2677 QLCNIC_DEV_COLD); 2678 2679 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2680 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2681 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2682 2683 qlcnic_api_unlock(adapter); 2684 err: 2685 adapter->fw_fail_cnt = 0; 2686 adapter->flags &= ~QLCNIC_FW_HANG; 2687 clear_bit(__QLCNIC_START_FW, &adapter->state); 2688 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2689 } 2690 2691 /* Grab api lock, before checking state */ 2692 static int 2693 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 2694 { 2695 int act, state, active_mask; 2696 struct qlcnic_hardware_context *ahw = adapter->ahw; 2697 2698 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2699 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2700 2701 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 2702 active_mask = (~(1 << (ahw->pci_func * 4))); 2703 act = act & active_mask; 2704 } 2705 2706 if (((state & 0x11111111) == (act & 0x11111111)) || 2707 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 2708 return 0; 2709 else 2710 return 1; 2711 } 2712 2713 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 2714 { 2715 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 2716 2717 if (val != QLCNIC_DRV_IDC_VER) { 2718 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 2719 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 2720 } 2721 2722 return 0; 2723 } 2724 2725 static int 2726 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 2727 { 2728 u32 val, prev_state; 2729 u8 dev_init_timeo = adapter->dev_init_timeo; 2730 u8 portnum = adapter->portnum; 2731 u8 ret; 2732 2733 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 2734 return 1; 2735 2736 if (qlcnic_api_lock(adapter)) 2737 return -1; 2738 2739 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2740 if (!(val & (1 << (portnum * 4)))) { 2741 QLC_DEV_SET_REF_CNT(val, portnum); 2742 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2743 } 2744 2745 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2746 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 2747 2748 switch (prev_state) { 2749 case QLCNIC_DEV_COLD: 2750 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2751 QLCNIC_DEV_INITIALIZING); 2752 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 2753 QLCNIC_DRV_IDC_VER); 2754 qlcnic_idc_debug_info(adapter, 0); 2755 qlcnic_api_unlock(adapter); 2756 return 1; 2757 2758 case QLCNIC_DEV_READY: 2759 ret = qlcnic_check_idc_ver(adapter); 2760 qlcnic_api_unlock(adapter); 2761 return ret; 2762 2763 case QLCNIC_DEV_NEED_RESET: 2764 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2765 QLC_DEV_SET_RST_RDY(val, portnum); 2766 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2767 break; 2768 2769 case QLCNIC_DEV_NEED_QUISCENT: 2770 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2771 QLC_DEV_SET_QSCNT_RDY(val, portnum); 2772 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2773 break; 2774 2775 case QLCNIC_DEV_FAILED: 2776 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 2777 qlcnic_api_unlock(adapter); 2778 return -1; 2779 2780 case QLCNIC_DEV_INITIALIZING: 2781 case QLCNIC_DEV_QUISCENT: 2782 break; 2783 } 2784 2785 qlcnic_api_unlock(adapter); 2786 2787 do { 2788 msleep(1000); 2789 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2790 2791 if (prev_state == QLCNIC_DEV_QUISCENT) 2792 continue; 2793 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 2794 2795 if (!dev_init_timeo) { 2796 dev_err(&adapter->pdev->dev, 2797 "Waiting for device to initialize timeout\n"); 2798 return -1; 2799 } 2800 2801 if (qlcnic_api_lock(adapter)) 2802 return -1; 2803 2804 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2805 QLC_DEV_CLR_RST_QSCNT(val, portnum); 2806 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2807 2808 ret = qlcnic_check_idc_ver(adapter); 2809 qlcnic_api_unlock(adapter); 2810 2811 return ret; 2812 } 2813 2814 static void 2815 qlcnic_fwinit_work(struct work_struct *work) 2816 { 2817 struct qlcnic_adapter *adapter = container_of(work, 2818 struct qlcnic_adapter, fw_work.work); 2819 u32 dev_state = 0xf; 2820 u32 val; 2821 2822 if (qlcnic_api_lock(adapter)) 2823 goto err_ret; 2824 2825 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2826 if (dev_state == QLCNIC_DEV_QUISCENT || 2827 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 2828 qlcnic_api_unlock(adapter); 2829 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 2830 FW_POLL_DELAY * 2); 2831 return; 2832 } 2833 2834 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 2835 qlcnic_api_unlock(adapter); 2836 goto wait_npar; 2837 } 2838 2839 if (dev_state == QLCNIC_DEV_INITIALIZING || 2840 dev_state == QLCNIC_DEV_READY) { 2841 dev_info(&adapter->pdev->dev, "Detected state change from " 2842 "DEV_NEED_RESET, skipping ack check\n"); 2843 goto skip_ack_check; 2844 } 2845 2846 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 2847 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 2848 adapter->reset_ack_timeo); 2849 goto skip_ack_check; 2850 } 2851 2852 if (!qlcnic_check_drv_state(adapter)) { 2853 skip_ack_check: 2854 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2855 2856 if (dev_state == QLCNIC_DEV_NEED_RESET) { 2857 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2858 QLCNIC_DEV_INITIALIZING); 2859 set_bit(__QLCNIC_START_FW, &adapter->state); 2860 QLCDB(adapter, DRV, "Restarting fw\n"); 2861 qlcnic_idc_debug_info(adapter, 0); 2862 val = QLC_SHARED_REG_RD32(adapter, 2863 QLCNIC_CRB_DRV_STATE); 2864 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2865 QLC_SHARED_REG_WR32(adapter, 2866 QLCNIC_CRB_DRV_STATE, val); 2867 } 2868 2869 qlcnic_api_unlock(adapter); 2870 2871 rtnl_lock(); 2872 if (adapter->ahw->fw_dump.enable && 2873 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 2874 QLCDB(adapter, DRV, "Take FW dump\n"); 2875 qlcnic_dump_fw(adapter); 2876 adapter->flags |= QLCNIC_FW_HANG; 2877 } 2878 rtnl_unlock(); 2879 2880 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 2881 if (!adapter->nic_ops->start_firmware(adapter)) { 2882 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 2883 adapter->fw_wait_cnt = 0; 2884 return; 2885 } 2886 goto err_ret; 2887 } 2888 2889 qlcnic_api_unlock(adapter); 2890 2891 wait_npar: 2892 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2893 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 2894 2895 switch (dev_state) { 2896 case QLCNIC_DEV_READY: 2897 if (!qlcnic_start_firmware(adapter)) { 2898 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 2899 adapter->fw_wait_cnt = 0; 2900 return; 2901 } 2902 case QLCNIC_DEV_FAILED: 2903 break; 2904 default: 2905 qlcnic_schedule_work(adapter, 2906 qlcnic_fwinit_work, FW_POLL_DELAY); 2907 return; 2908 } 2909 2910 err_ret: 2911 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 2912 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 2913 netif_device_attach(adapter->netdev); 2914 qlcnic_clr_all_drv_state(adapter, 0); 2915 } 2916 2917 static void 2918 qlcnic_detach_work(struct work_struct *work) 2919 { 2920 struct qlcnic_adapter *adapter = container_of(work, 2921 struct qlcnic_adapter, fw_work.work); 2922 struct net_device *netdev = adapter->netdev; 2923 u32 status; 2924 2925 netif_device_detach(netdev); 2926 2927 /* Dont grab rtnl lock during Quiscent mode */ 2928 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 2929 if (netif_running(netdev)) 2930 __qlcnic_down(adapter, netdev); 2931 } else 2932 qlcnic_down(adapter, netdev); 2933 2934 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 2935 2936 if (status & QLCNIC_RCODE_FATAL_ERROR) { 2937 dev_err(&adapter->pdev->dev, 2938 "Detaching the device: peg halt status1=0x%x\n", 2939 status); 2940 2941 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 2942 dev_err(&adapter->pdev->dev, 2943 "On board active cooling fan failed. " 2944 "Device has been halted.\n"); 2945 dev_err(&adapter->pdev->dev, 2946 "Replace the adapter.\n"); 2947 } 2948 2949 goto err_ret; 2950 } 2951 2952 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 2953 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 2954 adapter->ahw->temp); 2955 goto err_ret; 2956 } 2957 2958 /* Dont ack if this instance is the reset owner */ 2959 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 2960 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 2961 dev_err(&adapter->pdev->dev, 2962 "Failed to set driver state," 2963 "detaching the device.\n"); 2964 goto err_ret; 2965 } 2966 } 2967 2968 adapter->fw_wait_cnt = 0; 2969 2970 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 2971 2972 return; 2973 2974 err_ret: 2975 netif_device_attach(netdev); 2976 qlcnic_clr_all_drv_state(adapter, 1); 2977 } 2978 2979 /*Transit NPAR state to NON Operational */ 2980 static void 2981 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 2982 { 2983 u32 state; 2984 2985 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 2986 if (state == QLCNIC_DEV_NPAR_NON_OPER) 2987 return; 2988 2989 if (qlcnic_api_lock(adapter)) 2990 return; 2991 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 2992 QLCNIC_DEV_NPAR_NON_OPER); 2993 qlcnic_api_unlock(adapter); 2994 } 2995 2996 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key) 2997 { 2998 u32 state, xg_val = 0, gb_val = 0; 2999 3000 qlcnic_xg_set_xg0_mask(xg_val); 3001 qlcnic_xg_set_xg1_mask(xg_val); 3002 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3003 qlcnic_gb_set_gb0_mask(gb_val); 3004 qlcnic_gb_set_gb1_mask(gb_val); 3005 qlcnic_gb_set_gb2_mask(gb_val); 3006 qlcnic_gb_set_gb3_mask(gb_val); 3007 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3008 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3009 " on all ports\n"); 3010 adapter->need_fw_reset = 1; 3011 3012 if (qlcnic_api_lock(adapter)) 3013 return; 3014 3015 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3016 3017 if (state == QLCNIC_DEV_READY) { 3018 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3019 QLCNIC_DEV_NEED_RESET); 3020 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3021 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3022 qlcnic_idc_debug_info(adapter, 0); 3023 } 3024 3025 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3026 QLCNIC_DEV_NPAR_NON_OPER); 3027 qlcnic_api_unlock(adapter); 3028 } 3029 3030 /* Transit to NPAR READY state from NPAR NOT READY state */ 3031 static void 3032 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3033 { 3034 if (qlcnic_api_lock(adapter)) 3035 return; 3036 3037 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3038 QLCNIC_DEV_NPAR_OPER); 3039 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3040 3041 qlcnic_api_unlock(adapter); 3042 } 3043 3044 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3045 work_func_t func, int delay) 3046 { 3047 if (test_bit(__QLCNIC_AER, &adapter->state)) 3048 return; 3049 3050 INIT_DELAYED_WORK(&adapter->fw_work, func); 3051 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3052 round_jiffies_relative(delay)); 3053 } 3054 3055 static void 3056 qlcnic_attach_work(struct work_struct *work) 3057 { 3058 struct qlcnic_adapter *adapter = container_of(work, 3059 struct qlcnic_adapter, fw_work.work); 3060 struct net_device *netdev = adapter->netdev; 3061 u32 npar_state; 3062 3063 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3064 npar_state = QLC_SHARED_REG_RD32(adapter, 3065 QLCNIC_CRB_DEV_NPAR_STATE); 3066 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3067 qlcnic_clr_all_drv_state(adapter, 0); 3068 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3069 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3070 FW_POLL_DELAY); 3071 else 3072 goto attach; 3073 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3074 return; 3075 } 3076 attach: 3077 if (netif_running(netdev)) { 3078 if (qlcnic_up(adapter, netdev)) 3079 goto done; 3080 3081 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3082 } 3083 3084 done: 3085 netif_device_attach(netdev); 3086 adapter->fw_fail_cnt = 0; 3087 adapter->flags &= ~QLCNIC_FW_HANG; 3088 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3089 3090 if (!qlcnic_clr_drv_state(adapter)) 3091 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3092 FW_POLL_DELAY); 3093 } 3094 3095 static int 3096 qlcnic_check_health(struct qlcnic_adapter *adapter) 3097 { 3098 u32 state = 0, heartbeat; 3099 u32 peg_status; 3100 3101 if (qlcnic_check_temp(adapter)) 3102 goto detach; 3103 3104 if (adapter->need_fw_reset) 3105 qlcnic_dev_request_reset(adapter, 0); 3106 3107 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3108 if (state == QLCNIC_DEV_NEED_RESET) { 3109 qlcnic_set_npar_non_operational(adapter); 3110 adapter->need_fw_reset = 1; 3111 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3112 goto detach; 3113 3114 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3115 if (heartbeat != adapter->heartbeat) { 3116 adapter->heartbeat = heartbeat; 3117 adapter->fw_fail_cnt = 0; 3118 if (adapter->need_fw_reset) 3119 goto detach; 3120 3121 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) 3122 qlcnic_reset_hw_context(adapter); 3123 3124 return 0; 3125 } 3126 3127 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3128 return 0; 3129 3130 adapter->flags |= QLCNIC_FW_HANG; 3131 3132 qlcnic_dev_request_reset(adapter, 0); 3133 3134 if (qlcnic_auto_fw_reset) 3135 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3136 3137 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3138 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3139 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3140 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3141 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3142 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3143 "PEG_NET_4_PC: 0x%x\n", 3144 peg_status, 3145 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3146 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c), 3147 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c), 3148 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c), 3149 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c), 3150 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c)); 3151 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3152 dev_err(&adapter->pdev->dev, 3153 "Firmware aborted with error code 0x00006700. " 3154 "Device is being reset.\n"); 3155 detach: 3156 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3157 QLCNIC_DEV_NEED_RESET; 3158 3159 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3160 &adapter->state)) { 3161 3162 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3163 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3164 } 3165 3166 return 1; 3167 } 3168 3169 static void 3170 qlcnic_fw_poll_work(struct work_struct *work) 3171 { 3172 struct qlcnic_adapter *adapter = container_of(work, 3173 struct qlcnic_adapter, fw_work.work); 3174 3175 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3176 goto reschedule; 3177 3178 3179 if (qlcnic_check_health(adapter)) 3180 return; 3181 3182 if (adapter->fhash.fnum) 3183 qlcnic_prune_lb_filters(adapter); 3184 3185 reschedule: 3186 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3187 } 3188 3189 static int qlcnic_is_first_func(struct pci_dev *pdev) 3190 { 3191 struct pci_dev *oth_pdev; 3192 int val = pdev->devfn; 3193 3194 while (val-- > 0) { 3195 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3196 (pdev->bus), pdev->bus->number, 3197 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3198 if (!oth_pdev) 3199 continue; 3200 3201 if (oth_pdev->current_state != PCI_D3cold) { 3202 pci_dev_put(oth_pdev); 3203 return 0; 3204 } 3205 pci_dev_put(oth_pdev); 3206 } 3207 return 1; 3208 } 3209 3210 static int qlcnic_attach_func(struct pci_dev *pdev) 3211 { 3212 int err, first_func; 3213 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3214 struct net_device *netdev = adapter->netdev; 3215 3216 pdev->error_state = pci_channel_io_normal; 3217 3218 err = pci_enable_device(pdev); 3219 if (err) 3220 return err; 3221 3222 pci_set_power_state(pdev, PCI_D0); 3223 pci_set_master(pdev); 3224 pci_restore_state(pdev); 3225 3226 first_func = qlcnic_is_first_func(pdev); 3227 3228 if (qlcnic_api_lock(adapter)) 3229 return -EINVAL; 3230 3231 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3232 adapter->need_fw_reset = 1; 3233 set_bit(__QLCNIC_START_FW, &adapter->state); 3234 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3235 QLCNIC_DEV_INITIALIZING); 3236 QLCDB(adapter, DRV, "Restarting fw\n"); 3237 } 3238 qlcnic_api_unlock(adapter); 3239 3240 err = qlcnic_start_firmware(adapter); 3241 if (err) 3242 return err; 3243 3244 qlcnic_clr_drv_state(adapter); 3245 kfree(adapter->msix_entries); 3246 adapter->msix_entries = NULL; 3247 err = qlcnic_setup_intr(adapter, 0); 3248 3249 if (err) { 3250 kfree(adapter->msix_entries); 3251 netdev_err(netdev, "failed to setup interrupt\n"); 3252 return err; 3253 } 3254 3255 if (qlcnic_83xx_check(adapter)) { 3256 /* register for NIC IDC AEN Events */ 3257 qlcnic_83xx_register_nic_idc_func(adapter, 1); 3258 err = qlcnic_83xx_setup_mbx_intr(adapter); 3259 if (err) { 3260 dev_err(&adapter->pdev->dev, 3261 "failed to setup mbx interrupt\n"); 3262 qlcnic_clr_all_drv_state(adapter, 1); 3263 clear_bit(__QLCNIC_AER, &adapter->state); 3264 goto done; 3265 } 3266 } 3267 3268 if (netif_running(netdev)) { 3269 err = qlcnic_attach(adapter); 3270 if (err) { 3271 qlcnic_clr_all_drv_state(adapter, 1); 3272 clear_bit(__QLCNIC_AER, &adapter->state); 3273 netif_device_attach(netdev); 3274 return err; 3275 } 3276 3277 err = qlcnic_up(adapter, netdev); 3278 if (err) 3279 goto done; 3280 3281 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3282 } 3283 done: 3284 netif_device_attach(netdev); 3285 return err; 3286 } 3287 3288 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3289 pci_channel_state_t state) 3290 { 3291 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3292 struct net_device *netdev = adapter->netdev; 3293 3294 if (state == pci_channel_io_perm_failure) 3295 return PCI_ERS_RESULT_DISCONNECT; 3296 3297 if (state == pci_channel_io_normal) 3298 return PCI_ERS_RESULT_RECOVERED; 3299 3300 set_bit(__QLCNIC_AER, &adapter->state); 3301 netif_device_detach(netdev); 3302 3303 cancel_delayed_work_sync(&adapter->fw_work); 3304 3305 if (netif_running(netdev)) 3306 qlcnic_down(adapter, netdev); 3307 3308 if (qlcnic_83xx_check(adapter)) { 3309 qlcnic_83xx_free_mbx_intr(adapter); 3310 qlcnic_83xx_register_nic_idc_func(adapter, 0); 3311 cancel_delayed_work_sync(&adapter->idc_aen_work); 3312 } 3313 3314 qlcnic_detach(adapter); 3315 qlcnic_teardown_intr(adapter); 3316 3317 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3318 3319 pci_save_state(pdev); 3320 pci_disable_device(pdev); 3321 3322 return PCI_ERS_RESULT_NEED_RESET; 3323 } 3324 3325 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3326 { 3327 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3328 PCI_ERS_RESULT_RECOVERED; 3329 } 3330 3331 static void qlcnic_io_resume(struct pci_dev *pdev) 3332 { 3333 u32 state; 3334 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3335 3336 pci_cleanup_aer_uncorrect_error_status(pdev); 3337 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3338 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3339 &adapter->state)) 3340 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3341 FW_POLL_DELAY); 3342 } 3343 3344 static int 3345 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3346 { 3347 int err; 3348 3349 err = qlcnic_can_start_firmware(adapter); 3350 if (err) 3351 return err; 3352 3353 err = qlcnic_check_npar_opertional(adapter); 3354 if (err) 3355 return err; 3356 3357 err = qlcnic_initialize_nic(adapter); 3358 if (err) 3359 return err; 3360 3361 qlcnic_check_options(adapter); 3362 3363 err = qlcnic_set_eswitch_port_config(adapter); 3364 if (err) 3365 return err; 3366 3367 adapter->need_fw_reset = 0; 3368 3369 return err; 3370 } 3371 3372 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter, 3373 __u32 val) 3374 { 3375 struct net_device *netdev = adapter->netdev; 3376 u8 max_hw = adapter->ahw->max_rx_ques; 3377 u32 max_allowed; 3378 3379 if (val > QLC_MAX_SDS_RINGS) { 3380 netdev_err(netdev, "RSS value should not be higher than %u\n", 3381 QLC_MAX_SDS_RINGS); 3382 return -EINVAL; 3383 } 3384 3385 max_allowed = rounddown_pow_of_two(min_t(int, max_hw, 3386 num_online_cpus())); 3387 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) { 3388 if (!is_power_of_2(val)) 3389 netdev_err(netdev, "RSS value should be a power of 2\n"); 3390 3391 if (val < 2) 3392 netdev_err(netdev, "RSS value should not be lower than 2\n"); 3393 3394 if (val > max_hw) 3395 netdev_err(netdev, 3396 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n", 3397 max_hw); 3398 3399 if (val > num_online_cpus()) 3400 netdev_err(netdev, 3401 "RSS value should not be higher than[%u], number of online CPUs in the system\n", 3402 num_online_cpus()); 3403 3404 netdev_err(netdev, "Unable to configure %u RSS rings\n", val); 3405 3406 return -EINVAL; 3407 } 3408 return 0; 3409 } 3410 3411 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len) 3412 { 3413 int err; 3414 struct net_device *netdev = adapter->netdev; 3415 3416 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3417 return -EBUSY; 3418 3419 netif_device_detach(netdev); 3420 if (netif_running(netdev)) 3421 __qlcnic_down(adapter, netdev); 3422 3423 qlcnic_detach(adapter); 3424 3425 if (qlcnic_83xx_check(adapter)) { 3426 qlcnic_83xx_free_mbx_intr(adapter); 3427 qlcnic_83xx_enable_mbx_poll(adapter); 3428 } 3429 3430 qlcnic_teardown_intr(adapter); 3431 err = qlcnic_setup_intr(adapter, data); 3432 if (err) { 3433 kfree(adapter->msix_entries); 3434 netdev_err(netdev, "failed to setup interrupt\n"); 3435 return err; 3436 } 3437 3438 if (qlcnic_83xx_check(adapter)) { 3439 /* register for NIC IDC AEN Events */ 3440 qlcnic_83xx_register_nic_idc_func(adapter, 1); 3441 err = qlcnic_83xx_setup_mbx_intr(adapter); 3442 qlcnic_83xx_disable_mbx_poll(adapter); 3443 if (err) { 3444 dev_err(&adapter->pdev->dev, 3445 "failed to setup mbx interrupt\n"); 3446 goto done; 3447 } 3448 } 3449 3450 if (netif_running(netdev)) { 3451 err = qlcnic_attach(adapter); 3452 if (err) 3453 goto done; 3454 err = __qlcnic_up(adapter, netdev); 3455 if (err) 3456 goto done; 3457 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3458 } 3459 err = len; 3460 done: 3461 netif_device_attach(netdev); 3462 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3463 return err; 3464 } 3465 3466 #ifdef CONFIG_INET 3467 3468 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 3469 3470 static void 3471 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 3472 struct net_device *dev, unsigned long event) 3473 { 3474 struct in_device *indev; 3475 3476 indev = in_dev_get(dev); 3477 if (!indev) 3478 return; 3479 3480 for_ifa(indev) { 3481 switch (event) { 3482 case NETDEV_UP: 3483 qlcnic_config_ipaddr(adapter, 3484 ifa->ifa_address, QLCNIC_IP_UP); 3485 break; 3486 case NETDEV_DOWN: 3487 qlcnic_config_ipaddr(adapter, 3488 ifa->ifa_address, QLCNIC_IP_DOWN); 3489 break; 3490 default: 3491 break; 3492 } 3493 } endfor_ifa(indev); 3494 3495 in_dev_put(indev); 3496 } 3497 3498 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 3499 { 3500 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3501 struct net_device *dev; 3502 u16 vid; 3503 3504 qlcnic_config_indev_addr(adapter, netdev, event); 3505 3506 rcu_read_lock(); 3507 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 3508 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid); 3509 if (!dev) 3510 continue; 3511 qlcnic_config_indev_addr(adapter, dev, event); 3512 } 3513 rcu_read_unlock(); 3514 } 3515 3516 static int qlcnic_netdev_event(struct notifier_block *this, 3517 unsigned long event, void *ptr) 3518 { 3519 struct qlcnic_adapter *adapter; 3520 struct net_device *dev = (struct net_device *)ptr; 3521 3522 recheck: 3523 if (dev == NULL) 3524 goto done; 3525 3526 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3527 dev = vlan_dev_real_dev(dev); 3528 goto recheck; 3529 } 3530 3531 if (!is_qlcnic_netdev(dev)) 3532 goto done; 3533 3534 adapter = netdev_priv(dev); 3535 3536 if (!adapter) 3537 goto done; 3538 3539 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3540 goto done; 3541 3542 qlcnic_config_indev_addr(adapter, dev, event); 3543 done: 3544 return NOTIFY_DONE; 3545 } 3546 3547 static int 3548 qlcnic_inetaddr_event(struct notifier_block *this, 3549 unsigned long event, void *ptr) 3550 { 3551 struct qlcnic_adapter *adapter; 3552 struct net_device *dev; 3553 3554 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 3555 3556 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 3557 3558 recheck: 3559 if (dev == NULL) 3560 goto done; 3561 3562 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3563 dev = vlan_dev_real_dev(dev); 3564 goto recheck; 3565 } 3566 3567 if (!is_qlcnic_netdev(dev)) 3568 goto done; 3569 3570 adapter = netdev_priv(dev); 3571 3572 if (!adapter) 3573 goto done; 3574 3575 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3576 goto done; 3577 3578 switch (event) { 3579 case NETDEV_UP: 3580 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 3581 3582 break; 3583 case NETDEV_DOWN: 3584 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 3585 3586 break; 3587 default: 3588 break; 3589 } 3590 3591 done: 3592 return NOTIFY_DONE; 3593 } 3594 3595 static struct notifier_block qlcnic_netdev_cb = { 3596 .notifier_call = qlcnic_netdev_event, 3597 }; 3598 3599 static struct notifier_block qlcnic_inetaddr_cb = { 3600 .notifier_call = qlcnic_inetaddr_event, 3601 }; 3602 #else 3603 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 3604 { } 3605 #endif 3606 static const struct pci_error_handlers qlcnic_err_handler = { 3607 .error_detected = qlcnic_io_error_detected, 3608 .slot_reset = qlcnic_io_slot_reset, 3609 .resume = qlcnic_io_resume, 3610 }; 3611 3612 static struct pci_driver qlcnic_driver = { 3613 .name = qlcnic_driver_name, 3614 .id_table = qlcnic_pci_tbl, 3615 .probe = qlcnic_probe, 3616 .remove = qlcnic_remove, 3617 #ifdef CONFIG_PM 3618 .suspend = qlcnic_suspend, 3619 .resume = qlcnic_resume, 3620 #endif 3621 .shutdown = qlcnic_shutdown, 3622 .err_handler = &qlcnic_err_handler, 3623 #ifdef CONFIG_QLCNIC_SRIOV 3624 .sriov_configure = qlcnic_pci_sriov_configure, 3625 #endif 3626 3627 }; 3628 3629 static int __init qlcnic_init_module(void) 3630 { 3631 int ret; 3632 3633 printk(KERN_INFO "%s\n", qlcnic_driver_string); 3634 3635 #ifdef CONFIG_INET 3636 register_netdevice_notifier(&qlcnic_netdev_cb); 3637 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 3638 #endif 3639 3640 ret = pci_register_driver(&qlcnic_driver); 3641 if (ret) { 3642 #ifdef CONFIG_INET 3643 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3644 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3645 #endif 3646 } 3647 3648 return ret; 3649 } 3650 3651 module_init(qlcnic_init_module); 3652 3653 static void __exit qlcnic_exit_module(void) 3654 { 3655 pci_unregister_driver(&qlcnic_driver); 3656 3657 #ifdef CONFIG_INET 3658 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3659 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3660 #endif 3661 } 3662 3663 module_exit(qlcnic_exit_module); 3664