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 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 56 static void qlcnic_remove(struct pci_dev *pdev); 57 static int qlcnic_open(struct net_device *netdev); 58 static int qlcnic_close(struct net_device *netdev); 59 static void qlcnic_tx_timeout(struct net_device *netdev); 60 static void qlcnic_attach_work(struct work_struct *work); 61 static void qlcnic_fwinit_work(struct work_struct *work); 62 #ifdef CONFIG_NET_POLL_CONTROLLER 63 static void qlcnic_poll_controller(struct net_device *netdev); 64 #endif 65 66 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 67 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 68 69 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 70 static irqreturn_t qlcnic_intr(int irq, void *data); 71 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 72 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 73 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 74 75 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 76 static int qlcnic_start_firmware(struct qlcnic_adapter *); 77 78 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 79 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 80 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 81 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 82 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 83 84 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 85 { 86 struct qlcnic_hardware_context *ahw = adapter->ahw; 87 88 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 89 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 90 else 91 return 1; 92 } 93 94 /* PCI Device ID Table */ 95 #define ENTRY(device) \ 96 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 97 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 98 99 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { 100 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 101 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 102 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 103 {0,} 104 }; 105 106 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 107 108 109 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 110 { 111 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 112 } 113 114 static const u32 msi_tgt_status[8] = { 115 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 116 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 117 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 118 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 119 }; 120 121 static const u32 qlcnic_reg_tbl[] = { 122 0x1B20A8, /* PEG_HALT_STAT1 */ 123 0x1B20AC, /* PEG_HALT_STAT2 */ 124 0x1B20B0, /* FW_HEARTBEAT */ 125 0x1B2100, /* LOCK ID */ 126 0x1B2128, /* FW_CAPABILITIES */ 127 0x1B2138, /* drv active */ 128 0x1B2140, /* dev state */ 129 0x1B2144, /* drv state */ 130 0x1B2148, /* drv scratch */ 131 0x1B214C, /* dev partition info */ 132 0x1B2174, /* drv idc ver */ 133 0x1B2150, /* fw version major */ 134 0x1B2154, /* fw version minor */ 135 0x1B2158, /* fw version sub */ 136 0x1B219C, /* npar state */ 137 0x1B21FC, /* FW_IMG_VALID */ 138 0x1B2250, /* CMD_PEG_STATE */ 139 0x1B233C, /* RCV_PEG_STATE */ 140 0x1B23B4, /* ASIC TEMP */ 141 0x1B216C, /* FW api */ 142 0x1B2170, /* drv op mode */ 143 0x13C010, /* flash lock */ 144 0x13C014, /* flash unlock */ 145 }; 146 147 static const struct qlcnic_board_info qlcnic_boards[] = { 148 { PCI_VENDOR_ID_QLOGIC, 149 PCI_DEVICE_ID_QLOGIC_QLE834X, 150 PCI_VENDOR_ID_QLOGIC, 151 0x24e, 152 "8300 Series Dual Port 10GbE Converged Network Adapter " 153 "(TCP/IP Networking)" }, 154 { PCI_VENDOR_ID_QLOGIC, 155 PCI_DEVICE_ID_QLOGIC_QLE834X, 156 PCI_VENDOR_ID_QLOGIC, 157 0x243, 158 "8300 Series Single 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 0x24a, 164 "8300 Series Dual 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 0x246, 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 0x252, 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 0x26e, 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 0x260, 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 0x266, 194 "8300 Series Single 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 0x269, 200 "8300 Series Dual 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 0x271, 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 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 211 { PCI_VENDOR_ID_QLOGIC, 212 PCI_DEVICE_ID_QLOGIC_QLE824X, 213 PCI_VENDOR_ID_QLOGIC, 214 0x203, 215 "8200 Series Single Port 10GbE Converged Network Adapter" 216 "(TCP/IP Networking)" }, 217 { PCI_VENDOR_ID_QLOGIC, 218 PCI_DEVICE_ID_QLOGIC_QLE824X, 219 PCI_VENDOR_ID_QLOGIC, 220 0x207, 221 "8200 Series Dual 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 0x20b, 227 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 228 { PCI_VENDOR_ID_QLOGIC, 229 PCI_DEVICE_ID_QLOGIC_QLE824X, 230 PCI_VENDOR_ID_QLOGIC, 231 0x20c, 232 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 233 { PCI_VENDOR_ID_QLOGIC, 234 PCI_DEVICE_ID_QLOGIC_QLE824X, 235 PCI_VENDOR_ID_QLOGIC, 236 0x20f, 237 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 238 { PCI_VENDOR_ID_QLOGIC, 239 PCI_DEVICE_ID_QLOGIC_QLE824X, 240 0x103c, 0x3733, 241 "NC523SFP 10Gb 2-port Server Adapter" }, 242 { PCI_VENDOR_ID_QLOGIC, 243 PCI_DEVICE_ID_QLOGIC_QLE824X, 244 0x103c, 0x3346, 245 "CN1000Q Dual Port Converged Network Adapter" }, 246 { PCI_VENDOR_ID_QLOGIC, 247 PCI_DEVICE_ID_QLOGIC_QLE824X, 248 PCI_VENDOR_ID_QLOGIC, 249 0x210, 250 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 251 { PCI_VENDOR_ID_QLOGIC, 252 PCI_DEVICE_ID_QLOGIC_QLE824X, 253 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 254 }; 255 256 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 257 #define QLC_MAX_SDS_RINGS 8 258 259 static const 260 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 261 262 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 263 { 264 int size = sizeof(struct qlcnic_host_sds_ring) * count; 265 266 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 267 268 return recv_ctx->sds_rings == NULL; 269 } 270 271 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 272 { 273 if (recv_ctx->sds_rings != NULL) 274 kfree(recv_ctx->sds_rings); 275 276 recv_ctx->sds_rings = NULL; 277 } 278 279 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 280 { 281 u8 mac_addr[ETH_ALEN]; 282 struct net_device *netdev = adapter->netdev; 283 struct pci_dev *pdev = adapter->pdev; 284 285 if (qlcnic_get_mac_address(adapter, mac_addr) != 0) 286 return -EIO; 287 288 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 289 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 290 291 /* set station address */ 292 293 if (!is_valid_ether_addr(netdev->dev_addr)) 294 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 295 netdev->dev_addr); 296 297 return 0; 298 } 299 300 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 301 { 302 struct qlcnic_mac_list_s *cur; 303 struct list_head *head; 304 305 list_for_each(head, &adapter->mac_list) { 306 cur = list_entry(head, struct qlcnic_mac_list_s, list); 307 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) { 308 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 309 0, QLCNIC_MAC_DEL); 310 list_del(&cur->list); 311 kfree(cur); 312 return; 313 } 314 } 315 } 316 317 static int qlcnic_set_mac(struct net_device *netdev, void *p) 318 { 319 struct qlcnic_adapter *adapter = netdev_priv(netdev); 320 struct sockaddr *addr = p; 321 322 if (qlcnic_sriov_vf_check(adapter)) 323 return -EINVAL; 324 325 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 326 return -EOPNOTSUPP; 327 328 if (!is_valid_ether_addr(addr->sa_data)) 329 return -EINVAL; 330 331 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN)) 332 return 0; 333 334 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 335 netif_device_detach(netdev); 336 qlcnic_napi_disable(adapter); 337 } 338 339 qlcnic_delete_adapter_mac(adapter); 340 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 341 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 342 qlcnic_set_multi(adapter->netdev); 343 344 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 345 netif_device_attach(netdev); 346 qlcnic_napi_enable(adapter); 347 } 348 return 0; 349 } 350 351 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 352 struct net_device *netdev, const unsigned char *addr) 353 { 354 struct qlcnic_adapter *adapter = netdev_priv(netdev); 355 int err = -EOPNOTSUPP; 356 357 if (!adapter->fdb_mac_learn) 358 return ndo_dflt_fdb_del(ndm, tb, netdev, addr); 359 360 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 361 if (is_unicast_ether_addr(addr)) { 362 err = dev_uc_del(netdev, addr); 363 if (!err) 364 err = qlcnic_nic_del_mac(adapter, addr); 365 } else if (is_multicast_ether_addr(addr)) { 366 err = dev_mc_del(netdev, addr); 367 } else { 368 err = -EINVAL; 369 } 370 } 371 return err; 372 } 373 374 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 375 struct net_device *netdev, 376 const unsigned char *addr, u16 flags) 377 { 378 struct qlcnic_adapter *adapter = netdev_priv(netdev); 379 int err = 0; 380 381 if (!adapter->fdb_mac_learn) 382 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags); 383 384 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 385 pr_info("%s: FDB e-switch is not enabled\n", __func__); 386 return -EOPNOTSUPP; 387 } 388 389 if (ether_addr_equal(addr, adapter->mac_addr)) 390 return err; 391 392 if (is_unicast_ether_addr(addr)) { 393 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 394 err = dev_uc_add_excl(netdev, addr); 395 else 396 err = -ENOMEM; 397 } else if (is_multicast_ether_addr(addr)) { 398 err = dev_mc_add_excl(netdev, addr); 399 } else { 400 err = -EINVAL; 401 } 402 403 return err; 404 } 405 406 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 407 struct net_device *netdev, int idx) 408 { 409 struct qlcnic_adapter *adapter = netdev_priv(netdev); 410 411 if (!adapter->fdb_mac_learn) 412 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 413 414 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) 415 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 416 417 return idx; 418 } 419 420 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 421 { 422 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 423 usleep_range(10000, 11000); 424 425 cancel_delayed_work_sync(&adapter->fw_work); 426 } 427 428 static const struct net_device_ops qlcnic_netdev_ops = { 429 .ndo_open = qlcnic_open, 430 .ndo_stop = qlcnic_close, 431 .ndo_start_xmit = qlcnic_xmit_frame, 432 .ndo_get_stats = qlcnic_get_stats, 433 .ndo_validate_addr = eth_validate_addr, 434 .ndo_set_rx_mode = qlcnic_set_multi, 435 .ndo_set_mac_address = qlcnic_set_mac, 436 .ndo_change_mtu = qlcnic_change_mtu, 437 .ndo_fix_features = qlcnic_fix_features, 438 .ndo_set_features = qlcnic_set_features, 439 .ndo_tx_timeout = qlcnic_tx_timeout, 440 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 441 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 442 .ndo_fdb_add = qlcnic_fdb_add, 443 .ndo_fdb_del = qlcnic_fdb_del, 444 .ndo_fdb_dump = qlcnic_fdb_dump, 445 #ifdef CONFIG_NET_POLL_CONTROLLER 446 .ndo_poll_controller = qlcnic_poll_controller, 447 #endif 448 #ifdef CONFIG_QLCNIC_SRIOV 449 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 450 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate, 451 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 452 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 453 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 454 #endif 455 }; 456 457 static const struct net_device_ops qlcnic_netdev_failed_ops = { 458 .ndo_open = qlcnic_open, 459 }; 460 461 static struct qlcnic_nic_template qlcnic_ops = { 462 .config_bridged_mode = qlcnic_config_bridged_mode, 463 .config_led = qlcnic_82xx_config_led, 464 .start_firmware = qlcnic_82xx_start_firmware, 465 .request_reset = qlcnic_82xx_dev_request_reset, 466 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 467 .napi_add = qlcnic_82xx_napi_add, 468 .napi_del = qlcnic_82xx_napi_del, 469 .config_ipaddr = qlcnic_82xx_config_ipaddr, 470 .shutdown = qlcnic_82xx_shutdown, 471 .resume = qlcnic_82xx_resume, 472 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 473 }; 474 475 struct qlcnic_nic_template qlcnic_vf_ops = { 476 .config_bridged_mode = qlcnicvf_config_bridged_mode, 477 .config_led = qlcnicvf_config_led, 478 .start_firmware = qlcnicvf_start_firmware 479 }; 480 481 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 482 .read_crb = qlcnic_82xx_read_crb, 483 .write_crb = qlcnic_82xx_write_crb, 484 .read_reg = qlcnic_82xx_hw_read_wx_2M, 485 .write_reg = qlcnic_82xx_hw_write_wx_2M, 486 .get_mac_address = qlcnic_82xx_get_mac_address, 487 .setup_intr = qlcnic_82xx_setup_intr, 488 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 489 .mbx_cmd = qlcnic_82xx_issue_cmd, 490 .get_func_no = qlcnic_82xx_get_func_no, 491 .api_lock = qlcnic_82xx_api_lock, 492 .api_unlock = qlcnic_82xx_api_unlock, 493 .add_sysfs = qlcnic_82xx_add_sysfs, 494 .remove_sysfs = qlcnic_82xx_remove_sysfs, 495 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 496 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 497 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 498 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 499 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 500 .setup_link_event = qlcnic_82xx_linkevent_request, 501 .get_nic_info = qlcnic_82xx_get_nic_info, 502 .get_pci_info = qlcnic_82xx_get_pci_info, 503 .set_nic_info = qlcnic_82xx_set_nic_info, 504 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 505 .napi_enable = qlcnic_82xx_napi_enable, 506 .napi_disable = qlcnic_82xx_napi_disable, 507 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 508 .config_rss = qlcnic_82xx_config_rss, 509 .config_hw_lro = qlcnic_82xx_config_hw_lro, 510 .config_loopback = qlcnic_82xx_set_lb_mode, 511 .clear_loopback = qlcnic_82xx_clear_lb_mode, 512 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 513 .change_l2_filter = qlcnic_82xx_change_filter, 514 .get_board_info = qlcnic_82xx_get_board_info, 515 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 516 .free_mac_list = qlcnic_82xx_free_mac_list, 517 }; 518 519 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 520 { 521 struct pci_dev *pdev = adapter->pdev; 522 int err = -1, i; 523 int max_tx_rings, tx_vector; 524 525 if (adapter->flags & QLCNIC_TX_INTR_SHARED) { 526 max_tx_rings = 0; 527 tx_vector = 0; 528 } else { 529 max_tx_rings = adapter->max_drv_tx_rings; 530 tx_vector = 1; 531 } 532 533 if (!adapter->msix_entries) { 534 adapter->msix_entries = kcalloc(num_msix, 535 sizeof(struct msix_entry), 536 GFP_KERNEL); 537 if (!adapter->msix_entries) 538 return -ENOMEM; 539 } 540 541 adapter->max_sds_rings = 1; 542 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 543 544 if (adapter->ahw->msix_supported) { 545 enable_msix: 546 for (i = 0; i < num_msix; i++) 547 adapter->msix_entries[i].entry = i; 548 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); 549 if (err == 0) { 550 adapter->flags |= QLCNIC_MSIX_ENABLED; 551 if (qlcnic_83xx_check(adapter)) { 552 adapter->ahw->num_msix = num_msix; 553 /* subtract mail box and tx ring vectors */ 554 adapter->max_sds_rings = num_msix - 555 max_tx_rings - 1; 556 } else { 557 adapter->max_sds_rings = num_msix; 558 } 559 dev_info(&pdev->dev, "using msi-x interrupts\n"); 560 return err; 561 } else if (err > 0) { 562 dev_info(&pdev->dev, 563 "Unable to allocate %d MSI-X interrupt vectors\n", 564 num_msix); 565 if (qlcnic_83xx_check(adapter)) { 566 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector)) 567 return err; 568 err -= (max_tx_rings + 1); 569 num_msix = rounddown_pow_of_two(err); 570 num_msix += (max_tx_rings + 1); 571 } else { 572 num_msix = rounddown_pow_of_two(err); 573 } 574 575 if (num_msix) { 576 dev_info(&pdev->dev, 577 "Trying to allocate %d MSI-X interrupt vectors\n", 578 num_msix); 579 goto enable_msix; 580 } 581 } else { 582 dev_info(&pdev->dev, 583 "Unable to allocate %d MSI-X interrupt vectors\n", 584 num_msix); 585 } 586 } 587 588 return err; 589 } 590 591 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 592 { 593 int err = 0; 594 u32 offset, mask_reg; 595 const struct qlcnic_legacy_intr_set *legacy_intrp; 596 struct qlcnic_hardware_context *ahw = adapter->ahw; 597 struct pci_dev *pdev = adapter->pdev; 598 599 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 600 adapter->flags |= QLCNIC_MSI_ENABLED; 601 offset = msi_tgt_status[adapter->ahw->pci_func]; 602 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 603 offset); 604 dev_info(&pdev->dev, "using msi interrupts\n"); 605 adapter->msix_entries[0].vector = pdev->irq; 606 return err; 607 } 608 if (qlcnic_use_msi || qlcnic_use_msi_x) 609 return -EOPNOTSUPP; 610 611 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 612 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 613 offset = legacy_intrp->tgt_status_reg; 614 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 615 mask_reg = legacy_intrp->tgt_mask_reg; 616 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 617 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 618 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 619 dev_info(&pdev->dev, "using legacy interrupts\n"); 620 adapter->msix_entries[0].vector = pdev->irq; 621 return err; 622 } 623 624 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr) 625 { 626 int num_msix, err = 0; 627 628 if (!num_intr) 629 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS; 630 631 if (adapter->ahw->msix_supported) 632 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(), 633 num_intr)); 634 else 635 num_msix = 1; 636 637 err = qlcnic_enable_msix(adapter, num_msix); 638 if (err == -ENOMEM || !err) 639 return err; 640 641 err = qlcnic_enable_msi_legacy(adapter); 642 if (!err) 643 return err; 644 645 return -EIO; 646 } 647 648 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 649 { 650 if (adapter->flags & QLCNIC_MSIX_ENABLED) 651 pci_disable_msix(adapter->pdev); 652 if (adapter->flags & QLCNIC_MSI_ENABLED) 653 pci_disable_msi(adapter->pdev); 654 655 kfree(adapter->msix_entries); 656 adapter->msix_entries = NULL; 657 658 if (adapter->ahw->intr_tbl) { 659 vfree(adapter->ahw->intr_tbl); 660 adapter->ahw->intr_tbl = NULL; 661 } 662 } 663 664 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 665 { 666 if (ahw->pci_base0 != NULL) 667 iounmap(ahw->pci_base0); 668 } 669 670 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 671 { 672 struct qlcnic_pci_info *pci_info; 673 int ret; 674 675 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 676 switch (adapter->ahw->port_type) { 677 case QLCNIC_GBE: 678 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS; 679 break; 680 case QLCNIC_XGBE: 681 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS; 682 break; 683 } 684 return 0; 685 } 686 687 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 688 return 0; 689 690 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 691 if (!pci_info) 692 return -ENOMEM; 693 694 ret = qlcnic_get_pci_info(adapter, pci_info); 695 kfree(pci_info); 696 return ret; 697 } 698 699 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 700 { 701 struct qlcnic_pci_info *pci_info; 702 int i, ret = 0, j = 0; 703 u16 act_pci_func; 704 u8 pfn; 705 706 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 707 if (!pci_info) 708 return -ENOMEM; 709 710 ret = qlcnic_get_pci_info(adapter, pci_info); 711 if (ret) 712 goto err_pci_info; 713 714 act_pci_func = adapter->ahw->act_pci_func; 715 716 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 717 act_pci_func, GFP_KERNEL); 718 if (!adapter->npars) { 719 ret = -ENOMEM; 720 goto err_pci_info; 721 } 722 723 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 724 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 725 if (!adapter->eswitch) { 726 ret = -ENOMEM; 727 goto err_npars; 728 } 729 730 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { 731 pfn = pci_info[i].id; 732 733 if (pfn >= QLCNIC_MAX_PCI_FUNC) { 734 ret = QL_STATUS_INVALID_PARAM; 735 goto err_eswitch; 736 } 737 738 if (!pci_info[i].active || 739 (pci_info[i].type != QLCNIC_TYPE_NIC)) 740 continue; 741 742 adapter->npars[j].pci_func = pfn; 743 adapter->npars[j].active = (u8)pci_info[i].active; 744 adapter->npars[j].type = (u8)pci_info[i].type; 745 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 746 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 747 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 748 j++; 749 } 750 751 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) { 752 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 753 if (qlcnic_83xx_check(adapter)) 754 qlcnic_enable_eswitch(adapter, i, 1); 755 } 756 757 kfree(pci_info); 758 return 0; 759 760 err_eswitch: 761 kfree(adapter->eswitch); 762 adapter->eswitch = NULL; 763 err_npars: 764 kfree(adapter->npars); 765 adapter->npars = NULL; 766 err_pci_info: 767 kfree(pci_info); 768 769 return ret; 770 } 771 772 static int 773 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 774 { 775 u8 id; 776 int ret; 777 u32 data = QLCNIC_MGMT_FUNC; 778 struct qlcnic_hardware_context *ahw = adapter->ahw; 779 780 ret = qlcnic_api_lock(adapter); 781 if (ret) 782 goto err_lock; 783 784 id = ahw->pci_func; 785 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 786 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 787 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 788 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 789 qlcnic_api_unlock(adapter); 790 err_lock: 791 return ret; 792 } 793 794 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 795 const struct pci_device_id *ent) 796 { 797 u32 op_mode, priv_level; 798 799 /* Determine FW API version */ 800 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 801 QLCNIC_FW_API); 802 803 /* Find PCI function number */ 804 qlcnic_get_func_no(adapter); 805 806 /* Determine function privilege level */ 807 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 808 if (op_mode == QLC_DEV_DRV_DEFAULT) 809 priv_level = QLCNIC_MGMT_FUNC; 810 else 811 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 812 813 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 814 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 815 dev_info(&adapter->pdev->dev, 816 "HAL Version: %d Non Privileged function\n", 817 adapter->ahw->fw_hal_version); 818 adapter->nic_ops = &qlcnic_vf_ops; 819 } else 820 adapter->nic_ops = &qlcnic_ops; 821 } 822 823 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 824 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 825 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 826 { 827 switch (dev_id) { 828 case PCI_DEVICE_ID_QLOGIC_QLE824X: 829 *bar = QLCNIC_82XX_BAR0_LENGTH; 830 break; 831 case PCI_DEVICE_ID_QLOGIC_QLE834X: 832 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 833 *bar = QLCNIC_83XX_BAR0_LENGTH; 834 break; 835 default: 836 *bar = 0; 837 } 838 } 839 840 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 841 struct qlcnic_hardware_context *ahw) 842 { 843 u32 offset; 844 void __iomem *mem_ptr0 = NULL; 845 unsigned long mem_len, pci_len0 = 0, bar0_len; 846 847 /* remap phys address */ 848 mem_len = pci_resource_len(pdev, 0); 849 850 qlcnic_get_bar_length(pdev->device, &bar0_len); 851 if (mem_len >= bar0_len) { 852 853 mem_ptr0 = pci_ioremap_bar(pdev, 0); 854 if (mem_ptr0 == NULL) { 855 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 856 return -EIO; 857 } 858 pci_len0 = mem_len; 859 } else { 860 return -EIO; 861 } 862 863 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 864 865 ahw->pci_base0 = mem_ptr0; 866 ahw->pci_len0 = pci_len0; 867 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 868 qlcnic_get_ioaddr(ahw, offset); 869 870 return 0; 871 } 872 873 static inline bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 874 int index) 875 { 876 struct pci_dev *pdev = adapter->pdev; 877 unsigned short subsystem_vendor; 878 bool ret = true; 879 880 subsystem_vendor = pdev->subsystem_vendor; 881 882 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 883 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 884 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 885 qlcnic_boards[index].sub_device == pdev->subsystem_device) 886 ret = true; 887 else 888 ret = false; 889 } 890 891 return ret; 892 } 893 894 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 895 { 896 struct pci_dev *pdev = adapter->pdev; 897 int i, found = 0; 898 899 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 900 if (qlcnic_boards[i].vendor == pdev->vendor && 901 qlcnic_boards[i].device == pdev->device && 902 qlcnic_validate_subsystem_id(adapter, i)) { 903 found = 1; 904 break; 905 } 906 } 907 908 if (!found) 909 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 910 else 911 sprintf(name, "%pM: %s" , adapter->mac_addr, 912 qlcnic_boards[i].short_name); 913 } 914 915 static void 916 qlcnic_check_options(struct qlcnic_adapter *adapter) 917 { 918 int err; 919 u32 fw_major, fw_minor, fw_build, prev_fw_version; 920 struct pci_dev *pdev = adapter->pdev; 921 struct qlcnic_hardware_context *ahw = adapter->ahw; 922 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 923 924 prev_fw_version = adapter->fw_version; 925 926 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 927 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 928 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 929 930 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 931 932 err = qlcnic_get_board_info(adapter); 933 if (err) { 934 dev_err(&pdev->dev, "Error getting board config info.\n"); 935 return; 936 } 937 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 938 if (fw_dump->tmpl_hdr == NULL || 939 adapter->fw_version > prev_fw_version) { 940 if (fw_dump->tmpl_hdr) 941 vfree(fw_dump->tmpl_hdr); 942 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 943 dev_info(&pdev->dev, 944 "Supports FW dump capability\n"); 945 } 946 } 947 948 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 949 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 950 951 if (adapter->ahw->port_type == QLCNIC_XGBE) { 952 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 953 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 954 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 955 } else { 956 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 957 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 958 } 959 960 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 961 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 962 963 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 964 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 965 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 966 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 967 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 968 } 969 970 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 971 972 adapter->num_txd = MAX_CMD_DESCRIPTORS; 973 974 adapter->max_rds_rings = MAX_RDS_RINGS; 975 } 976 977 static int 978 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 979 { 980 int err; 981 struct qlcnic_info nic_info; 982 983 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 984 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 985 if (err) 986 return err; 987 988 adapter->ahw->physical_port = (u8)nic_info.phys_port; 989 adapter->ahw->switch_mode = nic_info.switch_mode; 990 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 991 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 992 adapter->ahw->capabilities = nic_info.capabilities; 993 994 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 995 u32 temp; 996 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2); 997 adapter->ahw->extra_capability[0] = temp; 998 } 999 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1000 adapter->ahw->max_mtu = nic_info.max_mtu; 1001 1002 /* Disable NPAR for 83XX */ 1003 if (qlcnic_83xx_check(adapter)) 1004 return err; 1005 1006 if (adapter->ahw->capabilities & BIT_6) 1007 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1008 else 1009 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1010 1011 return err; 1012 } 1013 1014 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1015 struct qlcnic_esw_func_cfg *esw_cfg) 1016 { 1017 if (esw_cfg->discard_tagged) 1018 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1019 else 1020 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1021 1022 if (esw_cfg->vlan_id) { 1023 adapter->rx_pvid = esw_cfg->vlan_id; 1024 adapter->tx_pvid = esw_cfg->vlan_id; 1025 } else { 1026 adapter->rx_pvid = 0; 1027 adapter->tx_pvid = 0; 1028 } 1029 } 1030 1031 static int 1032 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1033 { 1034 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1035 int err; 1036 1037 if (qlcnic_sriov_vf_check(adapter)) { 1038 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1039 if (err) { 1040 netdev_err(netdev, 1041 "Cannot add VLAN filter for VLAN id %d, err=%d", 1042 vid, err); 1043 return err; 1044 } 1045 } 1046 1047 set_bit(vid, adapter->vlans); 1048 return 0; 1049 } 1050 1051 static int 1052 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1053 { 1054 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1055 int err; 1056 1057 if (qlcnic_sriov_vf_check(adapter)) { 1058 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1059 if (err) { 1060 netdev_err(netdev, 1061 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1062 vid, err); 1063 return err; 1064 } 1065 } 1066 1067 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1068 clear_bit(vid, adapter->vlans); 1069 return 0; 1070 } 1071 1072 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1073 struct qlcnic_esw_func_cfg *esw_cfg) 1074 { 1075 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1076 QLCNIC_PROMISC_DISABLED); 1077 1078 if (esw_cfg->mac_anti_spoof) 1079 adapter->flags |= QLCNIC_MACSPOOF; 1080 1081 if (!esw_cfg->mac_override) 1082 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1083 1084 if (!esw_cfg->promisc_mode) 1085 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1086 } 1087 1088 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1089 { 1090 struct qlcnic_esw_func_cfg esw_cfg; 1091 1092 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1093 return 0; 1094 1095 esw_cfg.pci_func = adapter->ahw->pci_func; 1096 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1097 return -EIO; 1098 qlcnic_set_vlan_config(adapter, &esw_cfg); 1099 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1100 qlcnic_set_netdev_features(adapter, &esw_cfg); 1101 1102 return 0; 1103 } 1104 1105 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1106 struct qlcnic_esw_func_cfg *esw_cfg) 1107 { 1108 struct net_device *netdev = adapter->netdev; 1109 1110 if (qlcnic_83xx_check(adapter)) 1111 return; 1112 1113 adapter->offload_flags = esw_cfg->offload_flags; 1114 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1115 netdev_update_features(netdev); 1116 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1117 } 1118 1119 static int 1120 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1121 { 1122 u32 op_mode, priv_level; 1123 int err = 0; 1124 1125 err = qlcnic_initialize_nic(adapter); 1126 if (err) 1127 return err; 1128 1129 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1130 return 0; 1131 1132 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1133 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1134 1135 if (op_mode == QLC_DEV_DRV_DEFAULT) 1136 priv_level = QLCNIC_MGMT_FUNC; 1137 else 1138 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1139 1140 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1141 if (priv_level == QLCNIC_MGMT_FUNC) { 1142 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1143 err = qlcnic_init_pci_info(adapter); 1144 if (err) 1145 return err; 1146 /* Set privilege level for other functions */ 1147 qlcnic_set_function_modes(adapter); 1148 dev_info(&adapter->pdev->dev, 1149 "HAL Version: %d, Management function\n", 1150 adapter->ahw->fw_hal_version); 1151 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1152 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1153 dev_info(&adapter->pdev->dev, 1154 "HAL Version: %d, Privileged function\n", 1155 adapter->ahw->fw_hal_version); 1156 } 1157 } 1158 1159 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1160 1161 return err; 1162 } 1163 1164 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1165 { 1166 struct qlcnic_esw_func_cfg esw_cfg; 1167 struct qlcnic_npar_info *npar; 1168 u8 i; 1169 1170 if (adapter->need_fw_reset) 1171 return 0; 1172 1173 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1174 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1175 esw_cfg.pci_func = adapter->npars[i].pci_func; 1176 esw_cfg.mac_override = BIT_0; 1177 esw_cfg.promisc_mode = BIT_0; 1178 if (qlcnic_82xx_check(adapter)) { 1179 esw_cfg.offload_flags = BIT_0; 1180 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1181 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1182 } 1183 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1184 return -EIO; 1185 npar = &adapter->npars[i]; 1186 npar->pvid = esw_cfg.vlan_id; 1187 npar->mac_override = esw_cfg.mac_override; 1188 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1189 npar->discard_tagged = esw_cfg.discard_tagged; 1190 npar->promisc_mode = esw_cfg.promisc_mode; 1191 npar->offload_flags = esw_cfg.offload_flags; 1192 } 1193 1194 return 0; 1195 } 1196 1197 1198 static int 1199 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1200 struct qlcnic_npar_info *npar, int pci_func) 1201 { 1202 struct qlcnic_esw_func_cfg esw_cfg; 1203 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1204 esw_cfg.pci_func = pci_func; 1205 esw_cfg.vlan_id = npar->pvid; 1206 esw_cfg.mac_override = npar->mac_override; 1207 esw_cfg.discard_tagged = npar->discard_tagged; 1208 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1209 esw_cfg.offload_flags = npar->offload_flags; 1210 esw_cfg.promisc_mode = npar->promisc_mode; 1211 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1212 return -EIO; 1213 1214 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1215 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1216 return -EIO; 1217 1218 return 0; 1219 } 1220 1221 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1222 { 1223 int i, err; 1224 struct qlcnic_npar_info *npar; 1225 struct qlcnic_info nic_info; 1226 u8 pci_func; 1227 1228 if (qlcnic_82xx_check(adapter)) 1229 if (!adapter->need_fw_reset) 1230 return 0; 1231 1232 /* Set the NPAR config data after FW reset */ 1233 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1234 npar = &adapter->npars[i]; 1235 pci_func = npar->pci_func; 1236 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1237 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1238 if (err) 1239 return err; 1240 nic_info.min_tx_bw = npar->min_bw; 1241 nic_info.max_tx_bw = npar->max_bw; 1242 err = qlcnic_set_nic_info(adapter, &nic_info); 1243 if (err) 1244 return err; 1245 1246 if (npar->enable_pm) { 1247 err = qlcnic_config_port_mirroring(adapter, 1248 npar->dest_npar, 1, 1249 pci_func); 1250 if (err) 1251 return err; 1252 } 1253 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1254 if (err) 1255 return err; 1256 } 1257 return 0; 1258 } 1259 1260 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1261 { 1262 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1263 u32 npar_state; 1264 1265 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1266 return 0; 1267 1268 npar_state = QLC_SHARED_REG_RD32(adapter, 1269 QLCNIC_CRB_DEV_NPAR_STATE); 1270 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1271 msleep(1000); 1272 npar_state = QLC_SHARED_REG_RD32(adapter, 1273 QLCNIC_CRB_DEV_NPAR_STATE); 1274 } 1275 if (!npar_opt_timeo) { 1276 dev_err(&adapter->pdev->dev, 1277 "Waiting for NPAR state to operational timeout\n"); 1278 return -EIO; 1279 } 1280 return 0; 1281 } 1282 1283 static int 1284 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1285 { 1286 int err; 1287 1288 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1289 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1290 return 0; 1291 1292 err = qlcnic_set_default_offload_settings(adapter); 1293 if (err) 1294 return err; 1295 1296 err = qlcnic_reset_npar_config(adapter); 1297 if (err) 1298 return err; 1299 1300 qlcnic_dev_set_npar_ready(adapter); 1301 1302 return err; 1303 } 1304 1305 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1306 { 1307 int err; 1308 1309 err = qlcnic_can_start_firmware(adapter); 1310 if (err < 0) 1311 return err; 1312 else if (!err) 1313 goto check_fw_status; 1314 1315 if (qlcnic_load_fw_file) 1316 qlcnic_request_firmware(adapter); 1317 else { 1318 err = qlcnic_check_flash_fw_ver(adapter); 1319 if (err) 1320 goto err_out; 1321 1322 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1323 } 1324 1325 err = qlcnic_need_fw_reset(adapter); 1326 if (err == 0) 1327 goto check_fw_status; 1328 1329 err = qlcnic_pinit_from_rom(adapter); 1330 if (err) 1331 goto err_out; 1332 1333 err = qlcnic_load_firmware(adapter); 1334 if (err) 1335 goto err_out; 1336 1337 qlcnic_release_firmware(adapter); 1338 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1339 1340 check_fw_status: 1341 err = qlcnic_check_fw_status(adapter); 1342 if (err) 1343 goto err_out; 1344 1345 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1346 qlcnic_idc_debug_info(adapter, 1); 1347 err = qlcnic_check_eswitch_mode(adapter); 1348 if (err) { 1349 dev_err(&adapter->pdev->dev, 1350 "Memory allocation failed for eswitch\n"); 1351 goto err_out; 1352 } 1353 err = qlcnic_set_mgmt_operations(adapter); 1354 if (err) 1355 goto err_out; 1356 1357 qlcnic_check_options(adapter); 1358 adapter->need_fw_reset = 0; 1359 1360 qlcnic_release_firmware(adapter); 1361 return 0; 1362 1363 err_out: 1364 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1365 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1366 1367 qlcnic_release_firmware(adapter); 1368 return err; 1369 } 1370 1371 static int 1372 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1373 { 1374 irq_handler_t handler; 1375 struct qlcnic_host_sds_ring *sds_ring; 1376 struct qlcnic_host_tx_ring *tx_ring; 1377 int err, ring, num_sds_rings; 1378 1379 unsigned long flags = 0; 1380 struct net_device *netdev = adapter->netdev; 1381 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1382 1383 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1384 if (qlcnic_82xx_check(adapter)) 1385 handler = qlcnic_tmp_intr; 1386 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1387 flags |= IRQF_SHARED; 1388 1389 } else { 1390 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1391 handler = qlcnic_msix_intr; 1392 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1393 handler = qlcnic_msi_intr; 1394 else { 1395 flags |= IRQF_SHARED; 1396 if (qlcnic_82xx_check(adapter)) 1397 handler = qlcnic_intr; 1398 else 1399 handler = qlcnic_83xx_intr; 1400 } 1401 } 1402 adapter->irq = netdev->irq; 1403 1404 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1405 if (qlcnic_82xx_check(adapter) || 1406 (qlcnic_83xx_check(adapter) && 1407 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1408 num_sds_rings = adapter->max_sds_rings; 1409 for (ring = 0; ring < num_sds_rings; ring++) { 1410 sds_ring = &recv_ctx->sds_rings[ring]; 1411 if (qlcnic_82xx_check(adapter) && 1412 (ring == (num_sds_rings - 1))) { 1413 if (!(adapter->flags & 1414 QLCNIC_MSIX_ENABLED)) 1415 snprintf(sds_ring->name, 1416 sizeof(sds_ring->name), 1417 "qlcnic"); 1418 else 1419 snprintf(sds_ring->name, 1420 sizeof(sds_ring->name), 1421 "%s-tx-0-rx-%d", 1422 netdev->name, ring); 1423 } else { 1424 snprintf(sds_ring->name, 1425 sizeof(sds_ring->name), 1426 "%s-rx-%d", 1427 netdev->name, ring); 1428 } 1429 err = request_irq(sds_ring->irq, handler, flags, 1430 sds_ring->name, sds_ring); 1431 if (err) 1432 return err; 1433 } 1434 } 1435 if (qlcnic_83xx_check(adapter) && 1436 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1437 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { 1438 handler = qlcnic_msix_tx_intr; 1439 for (ring = 0; ring < adapter->max_drv_tx_rings; 1440 ring++) { 1441 tx_ring = &adapter->tx_ring[ring]; 1442 snprintf(tx_ring->name, sizeof(tx_ring->name), 1443 "%s-tx-%d", netdev->name, ring); 1444 err = request_irq(tx_ring->irq, handler, flags, 1445 tx_ring->name, tx_ring); 1446 if (err) 1447 return err; 1448 } 1449 } 1450 } 1451 return 0; 1452 } 1453 1454 static void 1455 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1456 { 1457 int ring; 1458 struct qlcnic_host_sds_ring *sds_ring; 1459 struct qlcnic_host_tx_ring *tx_ring; 1460 1461 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1462 1463 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1464 if (qlcnic_82xx_check(adapter) || 1465 (qlcnic_83xx_check(adapter) && 1466 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1467 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1468 sds_ring = &recv_ctx->sds_rings[ring]; 1469 free_irq(sds_ring->irq, sds_ring); 1470 } 1471 } 1472 if (qlcnic_83xx_check(adapter) && 1473 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { 1474 for (ring = 0; ring < adapter->max_drv_tx_rings; 1475 ring++) { 1476 tx_ring = &adapter->tx_ring[ring]; 1477 if (tx_ring->irq) 1478 free_irq(tx_ring->irq, tx_ring); 1479 } 1480 } 1481 } 1482 } 1483 1484 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1485 { 1486 u32 capab = 0; 1487 1488 if (qlcnic_82xx_check(adapter)) { 1489 if (adapter->ahw->extra_capability[0] & 1490 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1491 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1492 } else { 1493 capab = adapter->ahw->capabilities; 1494 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1495 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1496 } 1497 } 1498 1499 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1500 { 1501 int ring; 1502 struct qlcnic_host_rds_ring *rds_ring; 1503 1504 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1505 return -EIO; 1506 1507 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1508 return 0; 1509 if (qlcnic_set_eswitch_port_config(adapter)) 1510 return -EIO; 1511 qlcnic_get_lro_mss_capability(adapter); 1512 1513 if (qlcnic_fw_create_ctx(adapter)) 1514 return -EIO; 1515 1516 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1517 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1518 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1519 } 1520 1521 qlcnic_set_multi(netdev); 1522 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1523 1524 adapter->ahw->linkup = 0; 1525 1526 if (adapter->max_sds_rings > 1) 1527 qlcnic_config_rss(adapter, 1); 1528 1529 qlcnic_config_intr_coalesce(adapter); 1530 1531 if (netdev->features & NETIF_F_LRO) 1532 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1533 1534 qlcnic_napi_enable(adapter); 1535 1536 qlcnic_linkevent_request(adapter, 1); 1537 1538 adapter->ahw->reset_context = 0; 1539 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1540 return 0; 1541 } 1542 1543 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1544 { 1545 int err = 0; 1546 1547 rtnl_lock(); 1548 if (netif_running(netdev)) 1549 err = __qlcnic_up(adapter, netdev); 1550 rtnl_unlock(); 1551 1552 return err; 1553 } 1554 1555 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1556 { 1557 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1558 return; 1559 1560 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1561 return; 1562 1563 if (qlcnic_sriov_vf_check(adapter)) 1564 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1565 smp_mb(); 1566 spin_lock(&adapter->tx_clean_lock); 1567 netif_carrier_off(netdev); 1568 adapter->ahw->linkup = 0; 1569 netif_tx_disable(netdev); 1570 1571 qlcnic_free_mac_list(adapter); 1572 1573 if (adapter->fhash.fnum) 1574 qlcnic_delete_lb_filters(adapter); 1575 1576 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1577 1578 qlcnic_napi_disable(adapter); 1579 1580 qlcnic_fw_destroy_ctx(adapter); 1581 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1582 1583 qlcnic_reset_rx_buffers_list(adapter); 1584 qlcnic_release_tx_buffers(adapter); 1585 spin_unlock(&adapter->tx_clean_lock); 1586 } 1587 1588 /* Usage: During suspend and firmware recovery module */ 1589 1590 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1591 { 1592 rtnl_lock(); 1593 if (netif_running(netdev)) 1594 __qlcnic_down(adapter, netdev); 1595 rtnl_unlock(); 1596 1597 } 1598 1599 int 1600 qlcnic_attach(struct qlcnic_adapter *adapter) 1601 { 1602 struct net_device *netdev = adapter->netdev; 1603 struct pci_dev *pdev = adapter->pdev; 1604 int err; 1605 1606 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1607 return 0; 1608 1609 err = qlcnic_napi_add(adapter, netdev); 1610 if (err) 1611 return err; 1612 1613 err = qlcnic_alloc_sw_resources(adapter); 1614 if (err) { 1615 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1616 goto err_out_napi_del; 1617 } 1618 1619 err = qlcnic_alloc_hw_resources(adapter); 1620 if (err) { 1621 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1622 goto err_out_free_sw; 1623 } 1624 1625 err = qlcnic_request_irq(adapter); 1626 if (err) { 1627 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1628 goto err_out_free_hw; 1629 } 1630 1631 qlcnic_create_sysfs_entries(adapter); 1632 1633 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 1634 return 0; 1635 1636 err_out_free_hw: 1637 qlcnic_free_hw_resources(adapter); 1638 err_out_free_sw: 1639 qlcnic_free_sw_resources(adapter); 1640 err_out_napi_del: 1641 qlcnic_napi_del(adapter); 1642 return err; 1643 } 1644 1645 void qlcnic_detach(struct qlcnic_adapter *adapter) 1646 { 1647 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1648 return; 1649 1650 qlcnic_remove_sysfs_entries(adapter); 1651 1652 qlcnic_free_hw_resources(adapter); 1653 qlcnic_release_rx_buffers(adapter); 1654 qlcnic_free_irq(adapter); 1655 qlcnic_napi_del(adapter); 1656 qlcnic_free_sw_resources(adapter); 1657 1658 adapter->is_up = 0; 1659 } 1660 1661 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) 1662 { 1663 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1664 struct qlcnic_host_sds_ring *sds_ring; 1665 int ring; 1666 1667 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 1668 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1669 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1670 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1671 qlcnic_disable_int(sds_ring); 1672 } 1673 } 1674 1675 qlcnic_fw_destroy_ctx(adapter); 1676 1677 qlcnic_detach(adapter); 1678 1679 adapter->ahw->diag_test = 0; 1680 adapter->max_sds_rings = max_sds_rings; 1681 1682 if (qlcnic_attach(adapter)) 1683 goto out; 1684 1685 if (netif_running(netdev)) 1686 __qlcnic_up(adapter, netdev); 1687 out: 1688 netif_device_attach(netdev); 1689 } 1690 1691 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 1692 { 1693 struct qlcnic_hardware_context *ahw = adapter->ahw; 1694 int err = 0; 1695 1696 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 1697 GFP_KERNEL); 1698 if (!adapter->recv_ctx) { 1699 err = -ENOMEM; 1700 goto err_out; 1701 } 1702 /* Initialize interrupt coalesce parameters */ 1703 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1704 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1705 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1706 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1707 if (qlcnic_83xx_check(adapter)) { 1708 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1709 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1710 } 1711 /* clear stats */ 1712 memset(&adapter->stats, 0, sizeof(adapter->stats)); 1713 err_out: 1714 return err; 1715 } 1716 1717 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 1718 { 1719 kfree(adapter->recv_ctx); 1720 adapter->recv_ctx = NULL; 1721 1722 if (adapter->ahw->fw_dump.tmpl_hdr) { 1723 vfree(adapter->ahw->fw_dump.tmpl_hdr); 1724 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1725 } 1726 1727 kfree(adapter->ahw->reset.buff); 1728 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1729 } 1730 1731 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 1732 { 1733 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1734 struct qlcnic_host_sds_ring *sds_ring; 1735 struct qlcnic_host_rds_ring *rds_ring; 1736 int ring; 1737 int ret; 1738 1739 netif_device_detach(netdev); 1740 1741 if (netif_running(netdev)) 1742 __qlcnic_down(adapter, netdev); 1743 1744 qlcnic_detach(adapter); 1745 1746 adapter->max_sds_rings = 1; 1747 adapter->ahw->diag_test = test; 1748 adapter->ahw->linkup = 0; 1749 1750 ret = qlcnic_attach(adapter); 1751 if (ret) { 1752 netif_device_attach(netdev); 1753 return ret; 1754 } 1755 1756 ret = qlcnic_fw_create_ctx(adapter); 1757 if (ret) { 1758 qlcnic_detach(adapter); 1759 netif_device_attach(netdev); 1760 return ret; 1761 } 1762 1763 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1764 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1765 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1766 } 1767 1768 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1769 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1770 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1771 qlcnic_enable_int(sds_ring); 1772 } 1773 } 1774 1775 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 1776 adapter->ahw->loopback_state = 0; 1777 qlcnic_linkevent_request(adapter, 1); 1778 } 1779 1780 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1781 1782 return 0; 1783 } 1784 1785 /* Reset context in hardware only */ 1786 static int 1787 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 1788 { 1789 struct net_device *netdev = adapter->netdev; 1790 1791 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1792 return -EBUSY; 1793 1794 netif_device_detach(netdev); 1795 1796 qlcnic_down(adapter, netdev); 1797 1798 qlcnic_up(adapter, netdev); 1799 1800 netif_device_attach(netdev); 1801 1802 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1803 dev_err(&adapter->pdev->dev, "%s:\n", __func__); 1804 return 0; 1805 } 1806 1807 int 1808 qlcnic_reset_context(struct qlcnic_adapter *adapter) 1809 { 1810 int err = 0; 1811 struct net_device *netdev = adapter->netdev; 1812 1813 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1814 return -EBUSY; 1815 1816 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 1817 1818 netif_device_detach(netdev); 1819 1820 if (netif_running(netdev)) 1821 __qlcnic_down(adapter, netdev); 1822 1823 qlcnic_detach(adapter); 1824 1825 if (netif_running(netdev)) { 1826 err = qlcnic_attach(adapter); 1827 if (!err) { 1828 __qlcnic_up(adapter, netdev); 1829 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 1830 } 1831 } 1832 1833 netif_device_attach(netdev); 1834 } 1835 1836 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1837 return err; 1838 } 1839 1840 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 1841 { 1842 struct qlcnic_hardware_context *ahw = adapter->ahw; 1843 u16 act_pci_fn = ahw->act_pci_func; 1844 u16 count; 1845 1846 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 1847 if (act_pci_fn <= 2) 1848 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 1849 act_pci_fn; 1850 else 1851 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 1852 act_pci_fn; 1853 ahw->max_uc_count = count; 1854 } 1855 1856 int 1857 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 1858 int pci_using_dac) 1859 { 1860 int err; 1861 struct pci_dev *pdev = adapter->pdev; 1862 1863 adapter->rx_csum = 1; 1864 adapter->ahw->mc_enabled = 0; 1865 qlcnic_set_mac_filter_count(adapter); 1866 1867 netdev->netdev_ops = &qlcnic_netdev_ops; 1868 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 1869 1870 qlcnic_change_mtu(netdev, netdev->mtu); 1871 1872 if (qlcnic_sriov_vf_check(adapter)) 1873 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops); 1874 else 1875 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); 1876 1877 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 1878 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 1879 NETIF_F_HW_VLAN_CTAG_RX); 1880 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 1881 NETIF_F_IPV6_CSUM); 1882 1883 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 1884 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 1885 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 1886 } 1887 1888 if (pci_using_dac) { 1889 netdev->features |= NETIF_F_HIGHDMA; 1890 netdev->vlan_features |= NETIF_F_HIGHDMA; 1891 } 1892 1893 if (qlcnic_vlan_tx_check(adapter)) 1894 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 1895 1896 if (qlcnic_sriov_vf_check(adapter)) 1897 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 1898 1899 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 1900 netdev->features |= NETIF_F_LRO; 1901 1902 netdev->hw_features = netdev->features; 1903 netdev->priv_flags |= IFF_UNICAST_FLT; 1904 netdev->irq = adapter->msix_entries[0].vector; 1905 1906 err = register_netdev(netdev); 1907 if (err) { 1908 dev_err(&pdev->dev, "failed to register net device\n"); 1909 return err; 1910 } 1911 1912 return 0; 1913 } 1914 1915 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 1916 { 1917 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 1918 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 1919 *pci_using_dac = 1; 1920 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 1921 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 1922 *pci_using_dac = 0; 1923 else { 1924 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 1925 return -EIO; 1926 } 1927 1928 return 0; 1929 } 1930 1931 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 1932 { 1933 int ring; 1934 struct qlcnic_host_tx_ring *tx_ring; 1935 1936 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 1937 tx_ring = &adapter->tx_ring[ring]; 1938 if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 1939 vfree(tx_ring->cmd_buf_arr); 1940 tx_ring->cmd_buf_arr = NULL; 1941 } 1942 } 1943 if (adapter->tx_ring != NULL) 1944 kfree(adapter->tx_ring); 1945 } 1946 1947 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 1948 struct net_device *netdev) 1949 { 1950 int ring, vector, index; 1951 struct qlcnic_host_tx_ring *tx_ring; 1952 struct qlcnic_cmd_buffer *cmd_buf_arr; 1953 1954 tx_ring = kcalloc(adapter->max_drv_tx_rings, 1955 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 1956 if (tx_ring == NULL) 1957 return -ENOMEM; 1958 1959 adapter->tx_ring = tx_ring; 1960 1961 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 1962 tx_ring = &adapter->tx_ring[ring]; 1963 tx_ring->num_desc = adapter->num_txd; 1964 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 1965 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 1966 if (cmd_buf_arr == NULL) { 1967 qlcnic_free_tx_rings(adapter); 1968 return -ENOMEM; 1969 } 1970 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 1971 tx_ring->cmd_buf_arr = cmd_buf_arr; 1972 } 1973 1974 if (qlcnic_83xx_check(adapter)) { 1975 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 1976 tx_ring = &adapter->tx_ring[ring]; 1977 tx_ring->adapter = adapter; 1978 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 1979 index = adapter->max_sds_rings + ring; 1980 vector = adapter->msix_entries[index].vector; 1981 tx_ring->irq = vector; 1982 } 1983 } 1984 } 1985 return 0; 1986 } 1987 1988 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 1989 { 1990 struct qlcnic_hardware_context *ahw = adapter->ahw; 1991 u32 fw_cmd = 0; 1992 1993 if (qlcnic_82xx_check(adapter)) 1994 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 1995 else if (qlcnic_83xx_check(adapter)) 1996 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 1997 1998 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) && 1999 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)) 2000 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2001 } 2002 2003 static int 2004 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2005 { 2006 struct net_device *netdev = NULL; 2007 struct qlcnic_adapter *adapter = NULL; 2008 struct qlcnic_hardware_context *ahw; 2009 int err, pci_using_dac = -1; 2010 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2011 2012 if (pdev->is_virtfn) 2013 return -ENODEV; 2014 2015 err = pci_enable_device(pdev); 2016 if (err) 2017 return err; 2018 2019 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2020 err = -ENODEV; 2021 goto err_out_disable_pdev; 2022 } 2023 2024 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2025 if (err) 2026 goto err_out_disable_pdev; 2027 2028 err = pci_request_regions(pdev, qlcnic_driver_name); 2029 if (err) 2030 goto err_out_disable_pdev; 2031 2032 pci_set_master(pdev); 2033 pci_enable_pcie_error_reporting(pdev); 2034 2035 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2036 if (!ahw) { 2037 err = -ENOMEM; 2038 goto err_out_free_res; 2039 } 2040 2041 switch (ent->device) { 2042 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2043 ahw->hw_ops = &qlcnic_hw_ops; 2044 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2045 break; 2046 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2047 qlcnic_83xx_register_map(ahw); 2048 break; 2049 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2050 qlcnic_sriov_vf_register_map(ahw); 2051 break; 2052 default: 2053 goto err_out_free_hw_res; 2054 } 2055 2056 err = qlcnic_setup_pci_map(pdev, ahw); 2057 if (err) 2058 goto err_out_free_hw_res; 2059 2060 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter)); 2061 if (!netdev) { 2062 err = -ENOMEM; 2063 goto err_out_iounmap; 2064 } 2065 2066 SET_NETDEV_DEV(netdev, &pdev->dev); 2067 2068 adapter = netdev_priv(netdev); 2069 adapter->netdev = netdev; 2070 adapter->pdev = pdev; 2071 adapter->ahw = ahw; 2072 2073 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2074 if (adapter->qlcnic_wq == NULL) { 2075 err = -ENOMEM; 2076 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2077 goto err_out_free_netdev; 2078 } 2079 2080 err = qlcnic_alloc_adapter_resources(adapter); 2081 if (err) 2082 goto err_out_free_netdev; 2083 2084 adapter->dev_rst_time = jiffies; 2085 adapter->ahw->revision_id = pdev->revision; 2086 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2087 adapter->fdb_mac_learn = true; 2088 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2089 adapter->drv_mac_learn = true; 2090 adapter->max_drv_tx_rings = 1; 2091 2092 rwlock_init(&adapter->ahw->crb_lock); 2093 mutex_init(&adapter->ahw->mem_lock); 2094 2095 spin_lock_init(&adapter->tx_clean_lock); 2096 INIT_LIST_HEAD(&adapter->mac_list); 2097 2098 if (qlcnic_82xx_check(adapter)) { 2099 qlcnic_check_vf(adapter, ent); 2100 adapter->portnum = adapter->ahw->pci_func; 2101 err = qlcnic_start_firmware(adapter); 2102 if (err) { 2103 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); 2104 goto err_out_free_hw; 2105 } 2106 2107 err = qlcnic_setup_idc_param(adapter); 2108 if (err) 2109 goto err_out_free_hw; 2110 2111 adapter->flags |= QLCNIC_NEED_FLR; 2112 } else if (qlcnic_83xx_check(adapter)) { 2113 qlcnic_83xx_check_vf(adapter, ent); 2114 adapter->portnum = adapter->ahw->pci_func; 2115 err = qlcnic_83xx_init(adapter, pci_using_dac); 2116 if (err) { 2117 dev_err(&pdev->dev, "%s: failed\n", __func__); 2118 goto err_out_free_hw; 2119 } 2120 if (qlcnic_sriov_vf_check(adapter)) 2121 return 0; 2122 } else { 2123 dev_err(&pdev->dev, 2124 "%s: failed. Please Reboot\n", __func__); 2125 goto err_out_free_hw; 2126 } 2127 2128 if (qlcnic_read_mac_addr(adapter)) 2129 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2130 2131 if (adapter->portnum == 0) { 2132 qlcnic_get_board_name(adapter, board_name); 2133 2134 pr_info("%s: %s Board Chip rev 0x%x\n", 2135 module_name(THIS_MODULE), 2136 board_name, adapter->ahw->revision_id); 2137 } 2138 2139 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2140 !!qlcnic_use_msi) 2141 dev_warn(&pdev->dev, 2142 "83xx adapter do not support MSI interrupts\n"); 2143 2144 err = qlcnic_setup_intr(adapter, 0); 2145 if (err) { 2146 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2147 goto err_out_disable_msi; 2148 } 2149 2150 if (qlcnic_83xx_check(adapter)) { 2151 err = qlcnic_83xx_setup_mbx_intr(adapter); 2152 if (err) 2153 goto err_out_disable_msi; 2154 } 2155 2156 err = qlcnic_get_act_pci_func(adapter); 2157 if (err) 2158 goto err_out_disable_mbx_intr; 2159 2160 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2161 if (err) 2162 goto err_out_disable_mbx_intr; 2163 2164 qlcnic_set_drv_version(adapter); 2165 2166 pci_set_drvdata(pdev, adapter); 2167 2168 if (qlcnic_82xx_check(adapter)) 2169 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2170 FW_POLL_DELAY); 2171 2172 switch (adapter->ahw->port_type) { 2173 case QLCNIC_GBE: 2174 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2175 adapter->netdev->name); 2176 break; 2177 case QLCNIC_XGBE: 2178 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2179 adapter->netdev->name); 2180 break; 2181 } 2182 2183 if (adapter->drv_mac_learn) 2184 qlcnic_alloc_lb_filters_mem(adapter); 2185 2186 qlcnic_add_sysfs(adapter); 2187 2188 return 0; 2189 2190 err_out_disable_mbx_intr: 2191 if (qlcnic_83xx_check(adapter)) 2192 qlcnic_83xx_free_mbx_intr(adapter); 2193 2194 err_out_disable_msi: 2195 qlcnic_teardown_intr(adapter); 2196 qlcnic_cancel_idc_work(adapter); 2197 qlcnic_clr_all_drv_state(adapter, 0); 2198 2199 err_out_free_hw: 2200 qlcnic_free_adapter_resources(adapter); 2201 2202 err_out_free_netdev: 2203 free_netdev(netdev); 2204 2205 err_out_iounmap: 2206 qlcnic_cleanup_pci_map(ahw); 2207 2208 err_out_free_hw_res: 2209 kfree(ahw); 2210 2211 err_out_free_res: 2212 pci_release_regions(pdev); 2213 2214 err_out_disable_pdev: 2215 pci_set_drvdata(pdev, NULL); 2216 pci_disable_device(pdev); 2217 return err; 2218 } 2219 2220 static void qlcnic_remove(struct pci_dev *pdev) 2221 { 2222 struct qlcnic_adapter *adapter; 2223 struct net_device *netdev; 2224 struct qlcnic_hardware_context *ahw; 2225 2226 adapter = pci_get_drvdata(pdev); 2227 if (adapter == NULL) 2228 return; 2229 2230 netdev = adapter->netdev; 2231 qlcnic_sriov_pf_disable(adapter); 2232 2233 qlcnic_cancel_idc_work(adapter); 2234 ahw = adapter->ahw; 2235 2236 unregister_netdev(netdev); 2237 qlcnic_sriov_cleanup(adapter); 2238 2239 if (qlcnic_83xx_check(adapter)) { 2240 qlcnic_83xx_free_mbx_intr(adapter); 2241 qlcnic_83xx_register_nic_idc_func(adapter, 0); 2242 cancel_delayed_work_sync(&adapter->idc_aen_work); 2243 } 2244 2245 qlcnic_detach(adapter); 2246 2247 if (adapter->npars != NULL) 2248 kfree(adapter->npars); 2249 if (adapter->eswitch != NULL) 2250 kfree(adapter->eswitch); 2251 2252 if (qlcnic_82xx_check(adapter)) 2253 qlcnic_clr_all_drv_state(adapter, 0); 2254 2255 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2256 2257 qlcnic_free_lb_filters_mem(adapter); 2258 2259 qlcnic_teardown_intr(adapter); 2260 2261 qlcnic_remove_sysfs(adapter); 2262 2263 qlcnic_cleanup_pci_map(adapter->ahw); 2264 2265 qlcnic_release_firmware(adapter); 2266 2267 pci_disable_pcie_error_reporting(pdev); 2268 pci_release_regions(pdev); 2269 pci_disable_device(pdev); 2270 pci_set_drvdata(pdev, NULL); 2271 2272 if (adapter->qlcnic_wq) { 2273 destroy_workqueue(adapter->qlcnic_wq); 2274 adapter->qlcnic_wq = NULL; 2275 } 2276 qlcnic_free_adapter_resources(adapter); 2277 kfree(ahw); 2278 free_netdev(netdev); 2279 } 2280 2281 static void qlcnic_shutdown(struct pci_dev *pdev) 2282 { 2283 if (__qlcnic_shutdown(pdev)) 2284 return; 2285 2286 pci_disable_device(pdev); 2287 } 2288 2289 #ifdef CONFIG_PM 2290 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2291 { 2292 int retval; 2293 2294 retval = __qlcnic_shutdown(pdev); 2295 if (retval) 2296 return retval; 2297 2298 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2299 return 0; 2300 } 2301 2302 static int qlcnic_resume(struct pci_dev *pdev) 2303 { 2304 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2305 int err; 2306 2307 err = pci_enable_device(pdev); 2308 if (err) 2309 return err; 2310 2311 pci_set_power_state(pdev, PCI_D0); 2312 pci_set_master(pdev); 2313 pci_restore_state(pdev); 2314 2315 return __qlcnic_resume(adapter); 2316 } 2317 #endif 2318 2319 static int qlcnic_open(struct net_device *netdev) 2320 { 2321 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2322 int err; 2323 2324 netif_carrier_off(netdev); 2325 2326 err = qlcnic_attach(adapter); 2327 if (err) 2328 return err; 2329 2330 err = __qlcnic_up(adapter, netdev); 2331 if (err) 2332 goto err_out; 2333 2334 netif_start_queue(netdev); 2335 2336 return 0; 2337 2338 err_out: 2339 qlcnic_detach(adapter); 2340 return err; 2341 } 2342 2343 /* 2344 * qlcnic_close - Disables a network interface entry point 2345 */ 2346 static int qlcnic_close(struct net_device *netdev) 2347 { 2348 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2349 2350 __qlcnic_down(adapter, netdev); 2351 2352 return 0; 2353 } 2354 2355 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2356 { 2357 void *head; 2358 int i; 2359 struct net_device *netdev = adapter->netdev; 2360 u32 filter_size = 0; 2361 u16 act_pci_func = 0; 2362 2363 if (adapter->fhash.fmax && adapter->fhash.fhead) 2364 return; 2365 2366 act_pci_func = adapter->ahw->act_pci_func; 2367 spin_lock_init(&adapter->mac_learn_lock); 2368 spin_lock_init(&adapter->rx_mac_learn_lock); 2369 2370 if (qlcnic_82xx_check(adapter)) { 2371 filter_size = QLCNIC_LB_MAX_FILTERS; 2372 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2373 } else { 2374 filter_size = QLC_83XX_LB_MAX_FILTERS; 2375 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2376 } 2377 2378 head = kcalloc(adapter->fhash.fbucket_size, 2379 sizeof(struct hlist_head), GFP_ATOMIC); 2380 2381 if (!head) 2382 return; 2383 2384 adapter->fhash.fmax = (filter_size / act_pci_func); 2385 adapter->fhash.fhead = head; 2386 2387 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2388 act_pci_func, adapter->fhash.fmax); 2389 2390 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2391 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2392 2393 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2394 2395 head = kcalloc(adapter->rx_fhash.fbucket_size, 2396 sizeof(struct hlist_head), GFP_ATOMIC); 2397 2398 if (!head) 2399 return; 2400 2401 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2402 adapter->rx_fhash.fhead = head; 2403 2404 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2405 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2406 } 2407 2408 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2409 { 2410 if (adapter->fhash.fmax && adapter->fhash.fhead) 2411 kfree(adapter->fhash.fhead); 2412 2413 adapter->fhash.fhead = NULL; 2414 adapter->fhash.fmax = 0; 2415 2416 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 2417 kfree(adapter->rx_fhash.fhead); 2418 2419 adapter->rx_fhash.fmax = 0; 2420 adapter->rx_fhash.fhead = NULL; 2421 } 2422 2423 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2424 { 2425 struct net_device *netdev = adapter->netdev; 2426 u32 temp_state, temp_val, temp = 0; 2427 int rv = 0; 2428 2429 if (qlcnic_83xx_check(adapter)) 2430 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2431 2432 if (qlcnic_82xx_check(adapter)) 2433 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2434 2435 temp_state = qlcnic_get_temp_state(temp); 2436 temp_val = qlcnic_get_temp_val(temp); 2437 2438 if (temp_state == QLCNIC_TEMP_PANIC) { 2439 dev_err(&netdev->dev, 2440 "Device temperature %d degrees C exceeds" 2441 " maximum allowed. Hardware has been shut down.\n", 2442 temp_val); 2443 rv = 1; 2444 } else if (temp_state == QLCNIC_TEMP_WARN) { 2445 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2446 dev_err(&netdev->dev, 2447 "Device temperature %d degrees C " 2448 "exceeds operating range." 2449 " Immediate action needed.\n", 2450 temp_val); 2451 } 2452 } else { 2453 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2454 dev_info(&netdev->dev, 2455 "Device temperature is now %d degrees C" 2456 " in normal range.\n", temp_val); 2457 } 2458 } 2459 adapter->ahw->temp = temp_state; 2460 return rv; 2461 } 2462 2463 static void qlcnic_tx_timeout(struct net_device *netdev) 2464 { 2465 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2466 2467 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 2468 return; 2469 2470 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) { 2471 netdev_info(netdev, "Tx timeout, reset the adapter.\n"); 2472 if (qlcnic_82xx_check(adapter)) 2473 adapter->need_fw_reset = 1; 2474 else if (qlcnic_83xx_check(adapter)) 2475 qlcnic_83xx_idc_request_reset(adapter, 2476 QLCNIC_FORCE_FW_DUMP_KEY); 2477 } else { 2478 netdev_info(netdev, "Tx timeout, reset adapter context.\n"); 2479 adapter->ahw->reset_context = 1; 2480 } 2481 } 2482 2483 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 2484 { 2485 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2486 struct net_device_stats *stats = &netdev->stats; 2487 2488 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 2489 stats->tx_packets = adapter->stats.xmitfinished; 2490 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 2491 stats->tx_bytes = adapter->stats.txbytes; 2492 stats->rx_dropped = adapter->stats.rxdropped; 2493 stats->tx_dropped = adapter->stats.txdropped; 2494 2495 return stats; 2496 } 2497 2498 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 2499 { 2500 u32 status; 2501 2502 status = readl(adapter->isr_int_vec); 2503 2504 if (!(status & adapter->ahw->int_vec_bit)) 2505 return IRQ_NONE; 2506 2507 /* check interrupt state machine, to be sure */ 2508 status = readl(adapter->crb_int_state_reg); 2509 if (!ISR_LEGACY_INT_TRIGGERED(status)) 2510 return IRQ_NONE; 2511 2512 writel(0xffffffff, adapter->tgt_status_reg); 2513 /* read twice to ensure write is flushed */ 2514 readl(adapter->isr_int_vec); 2515 readl(adapter->isr_int_vec); 2516 2517 return IRQ_HANDLED; 2518 } 2519 2520 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 2521 { 2522 struct qlcnic_host_sds_ring *sds_ring = data; 2523 struct qlcnic_adapter *adapter = sds_ring->adapter; 2524 2525 if (adapter->flags & QLCNIC_MSIX_ENABLED) 2526 goto done; 2527 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 2528 writel(0xffffffff, adapter->tgt_status_reg); 2529 goto done; 2530 } 2531 2532 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2533 return IRQ_NONE; 2534 2535 done: 2536 adapter->ahw->diag_cnt++; 2537 qlcnic_enable_int(sds_ring); 2538 return IRQ_HANDLED; 2539 } 2540 2541 static irqreturn_t qlcnic_intr(int irq, void *data) 2542 { 2543 struct qlcnic_host_sds_ring *sds_ring = data; 2544 struct qlcnic_adapter *adapter = sds_ring->adapter; 2545 2546 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2547 return IRQ_NONE; 2548 2549 napi_schedule(&sds_ring->napi); 2550 2551 return IRQ_HANDLED; 2552 } 2553 2554 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 2555 { 2556 struct qlcnic_host_sds_ring *sds_ring = data; 2557 struct qlcnic_adapter *adapter = sds_ring->adapter; 2558 2559 /* clear interrupt */ 2560 writel(0xffffffff, adapter->tgt_status_reg); 2561 2562 napi_schedule(&sds_ring->napi); 2563 return IRQ_HANDLED; 2564 } 2565 2566 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 2567 { 2568 struct qlcnic_host_sds_ring *sds_ring = data; 2569 2570 napi_schedule(&sds_ring->napi); 2571 return IRQ_HANDLED; 2572 } 2573 2574 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 2575 { 2576 struct qlcnic_host_tx_ring *tx_ring = data; 2577 2578 napi_schedule(&tx_ring->napi); 2579 return IRQ_HANDLED; 2580 } 2581 2582 #ifdef CONFIG_NET_POLL_CONTROLLER 2583 static void qlcnic_poll_controller(struct net_device *netdev) 2584 { 2585 int ring; 2586 struct qlcnic_host_sds_ring *sds_ring; 2587 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2588 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2589 2590 disable_irq(adapter->irq); 2591 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 2592 sds_ring = &recv_ctx->sds_rings[ring]; 2593 qlcnic_intr(adapter->irq, sds_ring); 2594 } 2595 enable_irq(adapter->irq); 2596 } 2597 #endif 2598 2599 static void 2600 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 2601 { 2602 u32 val; 2603 2604 val = adapter->portnum & 0xf; 2605 val |= encoding << 7; 2606 val |= (jiffies - adapter->dev_rst_time) << 8; 2607 2608 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 2609 adapter->dev_rst_time = jiffies; 2610 } 2611 2612 static int 2613 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 2614 { 2615 u32 val; 2616 2617 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 2618 state != QLCNIC_DEV_NEED_QUISCENT); 2619 2620 if (qlcnic_api_lock(adapter)) 2621 return -EIO; 2622 2623 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2624 2625 if (state == QLCNIC_DEV_NEED_RESET) 2626 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2627 else if (state == QLCNIC_DEV_NEED_QUISCENT) 2628 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 2629 2630 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2631 2632 qlcnic_api_unlock(adapter); 2633 2634 return 0; 2635 } 2636 2637 static int 2638 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 2639 { 2640 u32 val; 2641 2642 if (qlcnic_api_lock(adapter)) 2643 return -EBUSY; 2644 2645 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2646 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2647 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2648 2649 qlcnic_api_unlock(adapter); 2650 2651 return 0; 2652 } 2653 2654 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 2655 { 2656 u32 val; 2657 2658 if (qlcnic_api_lock(adapter)) 2659 goto err; 2660 2661 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2662 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 2663 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2664 2665 if (failed) { 2666 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2667 QLCNIC_DEV_FAILED); 2668 dev_info(&adapter->pdev->dev, 2669 "Device state set to Failed. Please Reboot\n"); 2670 } else if (!(val & 0x11111111)) 2671 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2672 QLCNIC_DEV_COLD); 2673 2674 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2675 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2676 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2677 2678 qlcnic_api_unlock(adapter); 2679 err: 2680 adapter->fw_fail_cnt = 0; 2681 adapter->flags &= ~QLCNIC_FW_HANG; 2682 clear_bit(__QLCNIC_START_FW, &adapter->state); 2683 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2684 } 2685 2686 /* Grab api lock, before checking state */ 2687 static int 2688 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 2689 { 2690 int act, state, active_mask; 2691 struct qlcnic_hardware_context *ahw = adapter->ahw; 2692 2693 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2694 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2695 2696 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 2697 active_mask = (~(1 << (ahw->pci_func * 4))); 2698 act = act & active_mask; 2699 } 2700 2701 if (((state & 0x11111111) == (act & 0x11111111)) || 2702 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 2703 return 0; 2704 else 2705 return 1; 2706 } 2707 2708 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 2709 { 2710 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 2711 2712 if (val != QLCNIC_DRV_IDC_VER) { 2713 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 2714 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 2715 } 2716 2717 return 0; 2718 } 2719 2720 static int 2721 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 2722 { 2723 u32 val, prev_state; 2724 u8 dev_init_timeo = adapter->dev_init_timeo; 2725 u8 portnum = adapter->portnum; 2726 u8 ret; 2727 2728 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 2729 return 1; 2730 2731 if (qlcnic_api_lock(adapter)) 2732 return -1; 2733 2734 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2735 if (!(val & (1 << (portnum * 4)))) { 2736 QLC_DEV_SET_REF_CNT(val, portnum); 2737 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2738 } 2739 2740 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2741 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 2742 2743 switch (prev_state) { 2744 case QLCNIC_DEV_COLD: 2745 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2746 QLCNIC_DEV_INITIALIZING); 2747 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 2748 QLCNIC_DRV_IDC_VER); 2749 qlcnic_idc_debug_info(adapter, 0); 2750 qlcnic_api_unlock(adapter); 2751 return 1; 2752 2753 case QLCNIC_DEV_READY: 2754 ret = qlcnic_check_idc_ver(adapter); 2755 qlcnic_api_unlock(adapter); 2756 return ret; 2757 2758 case QLCNIC_DEV_NEED_RESET: 2759 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2760 QLC_DEV_SET_RST_RDY(val, portnum); 2761 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2762 break; 2763 2764 case QLCNIC_DEV_NEED_QUISCENT: 2765 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2766 QLC_DEV_SET_QSCNT_RDY(val, portnum); 2767 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2768 break; 2769 2770 case QLCNIC_DEV_FAILED: 2771 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 2772 qlcnic_api_unlock(adapter); 2773 return -1; 2774 2775 case QLCNIC_DEV_INITIALIZING: 2776 case QLCNIC_DEV_QUISCENT: 2777 break; 2778 } 2779 2780 qlcnic_api_unlock(adapter); 2781 2782 do { 2783 msleep(1000); 2784 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2785 2786 if (prev_state == QLCNIC_DEV_QUISCENT) 2787 continue; 2788 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 2789 2790 if (!dev_init_timeo) { 2791 dev_err(&adapter->pdev->dev, 2792 "Waiting for device to initialize timeout\n"); 2793 return -1; 2794 } 2795 2796 if (qlcnic_api_lock(adapter)) 2797 return -1; 2798 2799 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2800 QLC_DEV_CLR_RST_QSCNT(val, portnum); 2801 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2802 2803 ret = qlcnic_check_idc_ver(adapter); 2804 qlcnic_api_unlock(adapter); 2805 2806 return ret; 2807 } 2808 2809 static void 2810 qlcnic_fwinit_work(struct work_struct *work) 2811 { 2812 struct qlcnic_adapter *adapter = container_of(work, 2813 struct qlcnic_adapter, fw_work.work); 2814 u32 dev_state = 0xf; 2815 u32 val; 2816 2817 if (qlcnic_api_lock(adapter)) 2818 goto err_ret; 2819 2820 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2821 if (dev_state == QLCNIC_DEV_QUISCENT || 2822 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 2823 qlcnic_api_unlock(adapter); 2824 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 2825 FW_POLL_DELAY * 2); 2826 return; 2827 } 2828 2829 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 2830 qlcnic_api_unlock(adapter); 2831 goto wait_npar; 2832 } 2833 2834 if (dev_state == QLCNIC_DEV_INITIALIZING || 2835 dev_state == QLCNIC_DEV_READY) { 2836 dev_info(&adapter->pdev->dev, "Detected state change from " 2837 "DEV_NEED_RESET, skipping ack check\n"); 2838 goto skip_ack_check; 2839 } 2840 2841 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 2842 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 2843 adapter->reset_ack_timeo); 2844 goto skip_ack_check; 2845 } 2846 2847 if (!qlcnic_check_drv_state(adapter)) { 2848 skip_ack_check: 2849 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2850 2851 if (dev_state == QLCNIC_DEV_NEED_RESET) { 2852 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2853 QLCNIC_DEV_INITIALIZING); 2854 set_bit(__QLCNIC_START_FW, &adapter->state); 2855 QLCDB(adapter, DRV, "Restarting fw\n"); 2856 qlcnic_idc_debug_info(adapter, 0); 2857 val = QLC_SHARED_REG_RD32(adapter, 2858 QLCNIC_CRB_DRV_STATE); 2859 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2860 QLC_SHARED_REG_WR32(adapter, 2861 QLCNIC_CRB_DRV_STATE, val); 2862 } 2863 2864 qlcnic_api_unlock(adapter); 2865 2866 rtnl_lock(); 2867 if (adapter->ahw->fw_dump.enable && 2868 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 2869 QLCDB(adapter, DRV, "Take FW dump\n"); 2870 qlcnic_dump_fw(adapter); 2871 adapter->flags |= QLCNIC_FW_HANG; 2872 } 2873 rtnl_unlock(); 2874 2875 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 2876 if (!adapter->nic_ops->start_firmware(adapter)) { 2877 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 2878 adapter->fw_wait_cnt = 0; 2879 return; 2880 } 2881 goto err_ret; 2882 } 2883 2884 qlcnic_api_unlock(adapter); 2885 2886 wait_npar: 2887 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2888 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 2889 2890 switch (dev_state) { 2891 case QLCNIC_DEV_READY: 2892 if (!qlcnic_start_firmware(adapter)) { 2893 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 2894 adapter->fw_wait_cnt = 0; 2895 return; 2896 } 2897 case QLCNIC_DEV_FAILED: 2898 break; 2899 default: 2900 qlcnic_schedule_work(adapter, 2901 qlcnic_fwinit_work, FW_POLL_DELAY); 2902 return; 2903 } 2904 2905 err_ret: 2906 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 2907 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 2908 netif_device_attach(adapter->netdev); 2909 qlcnic_clr_all_drv_state(adapter, 0); 2910 } 2911 2912 static void 2913 qlcnic_detach_work(struct work_struct *work) 2914 { 2915 struct qlcnic_adapter *adapter = container_of(work, 2916 struct qlcnic_adapter, fw_work.work); 2917 struct net_device *netdev = adapter->netdev; 2918 u32 status; 2919 2920 netif_device_detach(netdev); 2921 2922 /* Dont grab rtnl lock during Quiscent mode */ 2923 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 2924 if (netif_running(netdev)) 2925 __qlcnic_down(adapter, netdev); 2926 } else 2927 qlcnic_down(adapter, netdev); 2928 2929 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 2930 2931 if (status & QLCNIC_RCODE_FATAL_ERROR) { 2932 dev_err(&adapter->pdev->dev, 2933 "Detaching the device: peg halt status1=0x%x\n", 2934 status); 2935 2936 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 2937 dev_err(&adapter->pdev->dev, 2938 "On board active cooling fan failed. " 2939 "Device has been halted.\n"); 2940 dev_err(&adapter->pdev->dev, 2941 "Replace the adapter.\n"); 2942 } 2943 2944 goto err_ret; 2945 } 2946 2947 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 2948 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 2949 adapter->ahw->temp); 2950 goto err_ret; 2951 } 2952 2953 /* Dont ack if this instance is the reset owner */ 2954 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 2955 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 2956 dev_err(&adapter->pdev->dev, 2957 "Failed to set driver state," 2958 "detaching the device.\n"); 2959 goto err_ret; 2960 } 2961 } 2962 2963 adapter->fw_wait_cnt = 0; 2964 2965 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 2966 2967 return; 2968 2969 err_ret: 2970 netif_device_attach(netdev); 2971 qlcnic_clr_all_drv_state(adapter, 1); 2972 } 2973 2974 /*Transit NPAR state to NON Operational */ 2975 static void 2976 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 2977 { 2978 u32 state; 2979 2980 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 2981 if (state == QLCNIC_DEV_NPAR_NON_OPER) 2982 return; 2983 2984 if (qlcnic_api_lock(adapter)) 2985 return; 2986 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 2987 QLCNIC_DEV_NPAR_NON_OPER); 2988 qlcnic_api_unlock(adapter); 2989 } 2990 2991 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key) 2992 { 2993 u32 state, xg_val = 0, gb_val = 0; 2994 2995 qlcnic_xg_set_xg0_mask(xg_val); 2996 qlcnic_xg_set_xg1_mask(xg_val); 2997 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 2998 qlcnic_gb_set_gb0_mask(gb_val); 2999 qlcnic_gb_set_gb1_mask(gb_val); 3000 qlcnic_gb_set_gb2_mask(gb_val); 3001 qlcnic_gb_set_gb3_mask(gb_val); 3002 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3003 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3004 " on all ports\n"); 3005 adapter->need_fw_reset = 1; 3006 3007 if (qlcnic_api_lock(adapter)) 3008 return; 3009 3010 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3011 3012 if (state == QLCNIC_DEV_READY) { 3013 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3014 QLCNIC_DEV_NEED_RESET); 3015 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3016 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3017 qlcnic_idc_debug_info(adapter, 0); 3018 } 3019 3020 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3021 QLCNIC_DEV_NPAR_NON_OPER); 3022 qlcnic_api_unlock(adapter); 3023 } 3024 3025 /* Transit to NPAR READY state from NPAR NOT READY state */ 3026 static void 3027 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3028 { 3029 if (qlcnic_api_lock(adapter)) 3030 return; 3031 3032 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3033 QLCNIC_DEV_NPAR_OPER); 3034 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3035 3036 qlcnic_api_unlock(adapter); 3037 } 3038 3039 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3040 work_func_t func, int delay) 3041 { 3042 if (test_bit(__QLCNIC_AER, &adapter->state)) 3043 return; 3044 3045 INIT_DELAYED_WORK(&adapter->fw_work, func); 3046 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3047 round_jiffies_relative(delay)); 3048 } 3049 3050 static void 3051 qlcnic_attach_work(struct work_struct *work) 3052 { 3053 struct qlcnic_adapter *adapter = container_of(work, 3054 struct qlcnic_adapter, fw_work.work); 3055 struct net_device *netdev = adapter->netdev; 3056 u32 npar_state; 3057 3058 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3059 npar_state = QLC_SHARED_REG_RD32(adapter, 3060 QLCNIC_CRB_DEV_NPAR_STATE); 3061 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3062 qlcnic_clr_all_drv_state(adapter, 0); 3063 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3064 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3065 FW_POLL_DELAY); 3066 else 3067 goto attach; 3068 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3069 return; 3070 } 3071 attach: 3072 if (netif_running(netdev)) { 3073 if (qlcnic_up(adapter, netdev)) 3074 goto done; 3075 3076 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3077 } 3078 3079 done: 3080 netif_device_attach(netdev); 3081 adapter->fw_fail_cnt = 0; 3082 adapter->flags &= ~QLCNIC_FW_HANG; 3083 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3084 qlcnic_set_drv_version(adapter); 3085 3086 if (!qlcnic_clr_drv_state(adapter)) 3087 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3088 FW_POLL_DELAY); 3089 } 3090 3091 static int 3092 qlcnic_check_health(struct qlcnic_adapter *adapter) 3093 { 3094 u32 state = 0, heartbeat; 3095 u32 peg_status; 3096 3097 if (qlcnic_check_temp(adapter)) 3098 goto detach; 3099 3100 if (adapter->need_fw_reset) 3101 qlcnic_dev_request_reset(adapter, 0); 3102 3103 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3104 if (state == QLCNIC_DEV_NEED_RESET) { 3105 qlcnic_set_npar_non_operational(adapter); 3106 adapter->need_fw_reset = 1; 3107 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3108 goto detach; 3109 3110 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3111 if (heartbeat != adapter->heartbeat) { 3112 adapter->heartbeat = heartbeat; 3113 adapter->fw_fail_cnt = 0; 3114 if (adapter->need_fw_reset) 3115 goto detach; 3116 3117 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) 3118 qlcnic_reset_hw_context(adapter); 3119 3120 return 0; 3121 } 3122 3123 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3124 return 0; 3125 3126 adapter->flags |= QLCNIC_FW_HANG; 3127 3128 qlcnic_dev_request_reset(adapter, 0); 3129 3130 if (qlcnic_auto_fw_reset) 3131 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3132 3133 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3134 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3135 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3136 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3137 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3138 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3139 "PEG_NET_4_PC: 0x%x\n", 3140 peg_status, 3141 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3142 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c), 3143 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c), 3144 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c), 3145 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c), 3146 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c)); 3147 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3148 dev_err(&adapter->pdev->dev, 3149 "Firmware aborted with error code 0x00006700. " 3150 "Device is being reset.\n"); 3151 detach: 3152 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3153 QLCNIC_DEV_NEED_RESET; 3154 3155 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3156 &adapter->state)) { 3157 3158 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3159 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3160 } 3161 3162 return 1; 3163 } 3164 3165 void qlcnic_fw_poll_work(struct work_struct *work) 3166 { 3167 struct qlcnic_adapter *adapter = container_of(work, 3168 struct qlcnic_adapter, fw_work.work); 3169 3170 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3171 goto reschedule; 3172 3173 3174 if (qlcnic_check_health(adapter)) 3175 return; 3176 3177 if (adapter->fhash.fnum) 3178 qlcnic_prune_lb_filters(adapter); 3179 3180 reschedule: 3181 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3182 } 3183 3184 static int qlcnic_is_first_func(struct pci_dev *pdev) 3185 { 3186 struct pci_dev *oth_pdev; 3187 int val = pdev->devfn; 3188 3189 while (val-- > 0) { 3190 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3191 (pdev->bus), pdev->bus->number, 3192 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3193 if (!oth_pdev) 3194 continue; 3195 3196 if (oth_pdev->current_state != PCI_D3cold) { 3197 pci_dev_put(oth_pdev); 3198 return 0; 3199 } 3200 pci_dev_put(oth_pdev); 3201 } 3202 return 1; 3203 } 3204 3205 static int qlcnic_attach_func(struct pci_dev *pdev) 3206 { 3207 int err, first_func; 3208 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3209 struct net_device *netdev = adapter->netdev; 3210 3211 pdev->error_state = pci_channel_io_normal; 3212 3213 err = pci_enable_device(pdev); 3214 if (err) 3215 return err; 3216 3217 pci_set_master(pdev); 3218 pci_restore_state(pdev); 3219 3220 first_func = qlcnic_is_first_func(pdev); 3221 3222 if (qlcnic_api_lock(adapter)) 3223 return -EINVAL; 3224 3225 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3226 adapter->need_fw_reset = 1; 3227 set_bit(__QLCNIC_START_FW, &adapter->state); 3228 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3229 QLCNIC_DEV_INITIALIZING); 3230 QLCDB(adapter, DRV, "Restarting fw\n"); 3231 } 3232 qlcnic_api_unlock(adapter); 3233 3234 err = qlcnic_start_firmware(adapter); 3235 if (err) 3236 return err; 3237 3238 qlcnic_clr_drv_state(adapter); 3239 kfree(adapter->msix_entries); 3240 adapter->msix_entries = NULL; 3241 err = qlcnic_setup_intr(adapter, 0); 3242 3243 if (err) { 3244 kfree(adapter->msix_entries); 3245 netdev_err(netdev, "failed to setup interrupt\n"); 3246 return err; 3247 } 3248 3249 if (qlcnic_83xx_check(adapter)) { 3250 /* register for NIC IDC AEN Events */ 3251 qlcnic_83xx_register_nic_idc_func(adapter, 1); 3252 err = qlcnic_83xx_setup_mbx_intr(adapter); 3253 if (err) { 3254 dev_err(&adapter->pdev->dev, 3255 "failed to setup mbx interrupt\n"); 3256 qlcnic_clr_all_drv_state(adapter, 1); 3257 clear_bit(__QLCNIC_AER, &adapter->state); 3258 goto done; 3259 } 3260 } 3261 3262 if (netif_running(netdev)) { 3263 err = qlcnic_attach(adapter); 3264 if (err) { 3265 qlcnic_clr_all_drv_state(adapter, 1); 3266 clear_bit(__QLCNIC_AER, &adapter->state); 3267 netif_device_attach(netdev); 3268 return err; 3269 } 3270 3271 err = qlcnic_up(adapter, netdev); 3272 if (err) 3273 goto done; 3274 3275 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3276 } 3277 done: 3278 netif_device_attach(netdev); 3279 return err; 3280 } 3281 3282 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3283 pci_channel_state_t state) 3284 { 3285 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3286 struct net_device *netdev = adapter->netdev; 3287 3288 if (state == pci_channel_io_perm_failure) 3289 return PCI_ERS_RESULT_DISCONNECT; 3290 3291 if (state == pci_channel_io_normal) 3292 return PCI_ERS_RESULT_RECOVERED; 3293 3294 set_bit(__QLCNIC_AER, &adapter->state); 3295 netif_device_detach(netdev); 3296 3297 cancel_delayed_work_sync(&adapter->fw_work); 3298 3299 if (netif_running(netdev)) 3300 qlcnic_down(adapter, netdev); 3301 3302 if (qlcnic_83xx_check(adapter)) { 3303 qlcnic_83xx_free_mbx_intr(adapter); 3304 qlcnic_83xx_register_nic_idc_func(adapter, 0); 3305 cancel_delayed_work_sync(&adapter->idc_aen_work); 3306 } 3307 3308 qlcnic_detach(adapter); 3309 qlcnic_teardown_intr(adapter); 3310 3311 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3312 3313 pci_save_state(pdev); 3314 pci_disable_device(pdev); 3315 3316 return PCI_ERS_RESULT_NEED_RESET; 3317 } 3318 3319 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3320 { 3321 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3322 PCI_ERS_RESULT_RECOVERED; 3323 } 3324 3325 static void qlcnic_io_resume(struct pci_dev *pdev) 3326 { 3327 u32 state; 3328 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3329 3330 pci_cleanup_aer_uncorrect_error_status(pdev); 3331 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3332 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3333 &adapter->state)) 3334 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3335 FW_POLL_DELAY); 3336 } 3337 3338 static int 3339 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3340 { 3341 int err; 3342 3343 err = qlcnic_can_start_firmware(adapter); 3344 if (err) 3345 return err; 3346 3347 err = qlcnic_check_npar_opertional(adapter); 3348 if (err) 3349 return err; 3350 3351 err = qlcnic_initialize_nic(adapter); 3352 if (err) 3353 return err; 3354 3355 qlcnic_check_options(adapter); 3356 3357 err = qlcnic_set_eswitch_port_config(adapter); 3358 if (err) 3359 return err; 3360 3361 adapter->need_fw_reset = 0; 3362 3363 return err; 3364 } 3365 3366 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter, 3367 __u32 val) 3368 { 3369 struct net_device *netdev = adapter->netdev; 3370 u8 max_hw = adapter->ahw->max_rx_ques; 3371 u32 max_allowed; 3372 3373 if (val > QLC_MAX_SDS_RINGS) { 3374 netdev_err(netdev, "RSS value should not be higher than %u\n", 3375 QLC_MAX_SDS_RINGS); 3376 return -EINVAL; 3377 } 3378 3379 max_allowed = rounddown_pow_of_two(min_t(int, max_hw, 3380 num_online_cpus())); 3381 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) { 3382 if (!is_power_of_2(val)) 3383 netdev_err(netdev, "RSS value should be a power of 2\n"); 3384 3385 if (val < 2) 3386 netdev_err(netdev, "RSS value should not be lower than 2\n"); 3387 3388 if (val > max_hw) 3389 netdev_err(netdev, 3390 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n", 3391 max_hw); 3392 3393 if (val > num_online_cpus()) 3394 netdev_err(netdev, 3395 "RSS value should not be higher than[%u], number of online CPUs in the system\n", 3396 num_online_cpus()); 3397 3398 netdev_err(netdev, "Unable to configure %u RSS rings\n", val); 3399 3400 return -EINVAL; 3401 } 3402 return 0; 3403 } 3404 3405 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len) 3406 { 3407 int err; 3408 struct net_device *netdev = adapter->netdev; 3409 3410 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3411 return -EBUSY; 3412 3413 netif_device_detach(netdev); 3414 if (netif_running(netdev)) 3415 __qlcnic_down(adapter, netdev); 3416 3417 qlcnic_detach(adapter); 3418 3419 if (qlcnic_83xx_check(adapter)) { 3420 qlcnic_83xx_free_mbx_intr(adapter); 3421 qlcnic_83xx_enable_mbx_poll(adapter); 3422 } 3423 3424 qlcnic_teardown_intr(adapter); 3425 err = qlcnic_setup_intr(adapter, data); 3426 if (err) { 3427 kfree(adapter->msix_entries); 3428 netdev_err(netdev, "failed to setup interrupt\n"); 3429 return err; 3430 } 3431 3432 if (qlcnic_83xx_check(adapter)) { 3433 /* register for NIC IDC AEN Events */ 3434 qlcnic_83xx_register_nic_idc_func(adapter, 1); 3435 err = qlcnic_83xx_setup_mbx_intr(adapter); 3436 qlcnic_83xx_disable_mbx_poll(adapter); 3437 if (err) { 3438 dev_err(&adapter->pdev->dev, 3439 "failed to setup mbx interrupt\n"); 3440 goto done; 3441 } 3442 } 3443 3444 if (netif_running(netdev)) { 3445 err = qlcnic_attach(adapter); 3446 if (err) 3447 goto done; 3448 err = __qlcnic_up(adapter, netdev); 3449 if (err) 3450 goto done; 3451 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3452 } 3453 err = len; 3454 done: 3455 netif_device_attach(netdev); 3456 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3457 return err; 3458 } 3459 3460 #ifdef CONFIG_INET 3461 3462 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 3463 3464 static void 3465 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 3466 struct net_device *dev, unsigned long event) 3467 { 3468 struct in_device *indev; 3469 3470 indev = in_dev_get(dev); 3471 if (!indev) 3472 return; 3473 3474 for_ifa(indev) { 3475 switch (event) { 3476 case NETDEV_UP: 3477 qlcnic_config_ipaddr(adapter, 3478 ifa->ifa_address, QLCNIC_IP_UP); 3479 break; 3480 case NETDEV_DOWN: 3481 qlcnic_config_ipaddr(adapter, 3482 ifa->ifa_address, QLCNIC_IP_DOWN); 3483 break; 3484 default: 3485 break; 3486 } 3487 } endfor_ifa(indev); 3488 3489 in_dev_put(indev); 3490 } 3491 3492 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 3493 { 3494 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3495 struct net_device *dev; 3496 u16 vid; 3497 3498 qlcnic_config_indev_addr(adapter, netdev, event); 3499 3500 rcu_read_lock(); 3501 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 3502 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid); 3503 if (!dev) 3504 continue; 3505 qlcnic_config_indev_addr(adapter, dev, event); 3506 } 3507 rcu_read_unlock(); 3508 } 3509 3510 static int qlcnic_netdev_event(struct notifier_block *this, 3511 unsigned long event, void *ptr) 3512 { 3513 struct qlcnic_adapter *adapter; 3514 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 3515 3516 recheck: 3517 if (dev == NULL) 3518 goto done; 3519 3520 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3521 dev = vlan_dev_real_dev(dev); 3522 goto recheck; 3523 } 3524 3525 if (!is_qlcnic_netdev(dev)) 3526 goto done; 3527 3528 adapter = netdev_priv(dev); 3529 3530 if (!adapter) 3531 goto done; 3532 3533 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3534 goto done; 3535 3536 qlcnic_config_indev_addr(adapter, dev, event); 3537 done: 3538 return NOTIFY_DONE; 3539 } 3540 3541 static int 3542 qlcnic_inetaddr_event(struct notifier_block *this, 3543 unsigned long event, void *ptr) 3544 { 3545 struct qlcnic_adapter *adapter; 3546 struct net_device *dev; 3547 3548 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 3549 3550 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 3551 3552 recheck: 3553 if (dev == NULL) 3554 goto done; 3555 3556 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3557 dev = vlan_dev_real_dev(dev); 3558 goto recheck; 3559 } 3560 3561 if (!is_qlcnic_netdev(dev)) 3562 goto done; 3563 3564 adapter = netdev_priv(dev); 3565 3566 if (!adapter) 3567 goto done; 3568 3569 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3570 goto done; 3571 3572 switch (event) { 3573 case NETDEV_UP: 3574 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 3575 3576 break; 3577 case NETDEV_DOWN: 3578 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 3579 3580 break; 3581 default: 3582 break; 3583 } 3584 3585 done: 3586 return NOTIFY_DONE; 3587 } 3588 3589 static struct notifier_block qlcnic_netdev_cb = { 3590 .notifier_call = qlcnic_netdev_event, 3591 }; 3592 3593 static struct notifier_block qlcnic_inetaddr_cb = { 3594 .notifier_call = qlcnic_inetaddr_event, 3595 }; 3596 #else 3597 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 3598 { } 3599 #endif 3600 static const struct pci_error_handlers qlcnic_err_handler = { 3601 .error_detected = qlcnic_io_error_detected, 3602 .slot_reset = qlcnic_io_slot_reset, 3603 .resume = qlcnic_io_resume, 3604 }; 3605 3606 static struct pci_driver qlcnic_driver = { 3607 .name = qlcnic_driver_name, 3608 .id_table = qlcnic_pci_tbl, 3609 .probe = qlcnic_probe, 3610 .remove = qlcnic_remove, 3611 #ifdef CONFIG_PM 3612 .suspend = qlcnic_suspend, 3613 .resume = qlcnic_resume, 3614 #endif 3615 .shutdown = qlcnic_shutdown, 3616 .err_handler = &qlcnic_err_handler, 3617 #ifdef CONFIG_QLCNIC_SRIOV 3618 .sriov_configure = qlcnic_pci_sriov_configure, 3619 #endif 3620 3621 }; 3622 3623 static int __init qlcnic_init_module(void) 3624 { 3625 int ret; 3626 3627 printk(KERN_INFO "%s\n", qlcnic_driver_string); 3628 3629 #ifdef CONFIG_INET 3630 register_netdevice_notifier(&qlcnic_netdev_cb); 3631 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 3632 #endif 3633 3634 ret = pci_register_driver(&qlcnic_driver); 3635 if (ret) { 3636 #ifdef CONFIG_INET 3637 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3638 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3639 #endif 3640 } 3641 3642 return ret; 3643 } 3644 3645 module_init(qlcnic_init_module); 3646 3647 static void __exit qlcnic_exit_module(void) 3648 { 3649 pci_unregister_driver(&qlcnic_driver); 3650 3651 #ifdef CONFIG_INET 3652 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3653 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3654 #endif 3655 } 3656 3657 module_exit(qlcnic_exit_module); 3658