1 /* 2 * QLogic qlcnic NIC Driver 3 * Copyright (c) 2009-2013 QLogic Corporation 4 * 5 * See LICENSE.qlcnic for copyright and licensing details. 6 */ 7 8 #include <linux/vmalloc.h> 9 #include <linux/interrupt.h> 10 11 #include "qlcnic.h" 12 #include "qlcnic_sriov.h" 13 #include "qlcnic_hw.h" 14 15 #include <linux/swab.h> 16 #include <linux/dma-mapping.h> 17 #include <linux/if_vlan.h> 18 #include <net/ip.h> 19 #include <linux/ipv6.h> 20 #include <linux/inetdevice.h> 21 #include <linux/aer.h> 22 #include <linux/log2.h> 23 #include <linux/pci.h> 24 25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 26 MODULE_LICENSE("GPL"); 27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 29 30 char qlcnic_driver_name[] = "qlcnic"; 31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 33 34 static int qlcnic_mac_learn; 35 module_param(qlcnic_mac_learn, int, 0444); 36 MODULE_PARM_DESC(qlcnic_mac_learn, 37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 38 39 int qlcnic_use_msi = 1; 40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 41 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 42 43 int qlcnic_use_msi_x = 1; 44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 46 47 int qlcnic_auto_fw_reset = 1; 48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 50 51 int qlcnic_load_fw_file; 52 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)"); 53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 54 55 int qlcnic_config_npars; 56 module_param(qlcnic_config_npars, int, 0444); 57 MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled)"); 58 59 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 60 static void qlcnic_remove(struct pci_dev *pdev); 61 static int qlcnic_open(struct net_device *netdev); 62 static int qlcnic_close(struct net_device *netdev); 63 static void qlcnic_tx_timeout(struct net_device *netdev); 64 static void qlcnic_attach_work(struct work_struct *work); 65 static void qlcnic_fwinit_work(struct work_struct *work); 66 static void qlcnic_fw_poll_work(struct work_struct *work); 67 #ifdef CONFIG_NET_POLL_CONTROLLER 68 static void qlcnic_poll_controller(struct net_device *netdev); 69 #endif 70 71 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 72 static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8); 73 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 74 75 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 76 static irqreturn_t qlcnic_intr(int irq, void *data); 77 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 78 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 79 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 80 81 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 82 static int qlcnic_start_firmware(struct qlcnic_adapter *); 83 84 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 85 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 86 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 87 static void qlcnic_set_netdev_features(struct qlcnic_adapter *, 88 struct qlcnic_esw_func_cfg *); 89 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 90 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 91 92 #define QLCNIC_IS_TSO_CAPABLE(adapter) \ 93 ((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO) 94 95 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 96 { 97 struct qlcnic_hardware_context *ahw = adapter->ahw; 98 99 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 100 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 101 else 102 return 1; 103 } 104 105 /* PCI Device ID Table */ 106 #define ENTRY(device) \ 107 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 108 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 109 110 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 114 {0,} 115 }; 116 117 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 118 119 120 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 121 { 122 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 123 } 124 125 static const u32 msi_tgt_status[8] = { 126 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 127 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 128 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 129 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 130 }; 131 132 static const u32 qlcnic_reg_tbl[] = { 133 0x1B20A8, /* PEG_HALT_STAT1 */ 134 0x1B20AC, /* PEG_HALT_STAT2 */ 135 0x1B20B0, /* FW_HEARTBEAT */ 136 0x1B2100, /* LOCK ID */ 137 0x1B2128, /* FW_CAPABILITIES */ 138 0x1B2138, /* drv active */ 139 0x1B2140, /* dev state */ 140 0x1B2144, /* drv state */ 141 0x1B2148, /* drv scratch */ 142 0x1B214C, /* dev partition info */ 143 0x1B2174, /* drv idc ver */ 144 0x1B2150, /* fw version major */ 145 0x1B2154, /* fw version minor */ 146 0x1B2158, /* fw version sub */ 147 0x1B219C, /* npar state */ 148 0x1B21FC, /* FW_IMG_VALID */ 149 0x1B2250, /* CMD_PEG_STATE */ 150 0x1B233C, /* RCV_PEG_STATE */ 151 0x1B23B4, /* ASIC TEMP */ 152 0x1B216C, /* FW api */ 153 0x1B2170, /* drv op mode */ 154 0x13C010, /* flash lock */ 155 0x13C014, /* flash unlock */ 156 }; 157 158 static const struct qlcnic_board_info qlcnic_boards[] = { 159 { PCI_VENDOR_ID_QLOGIC, 160 PCI_DEVICE_ID_QLOGIC_QLE834X, 161 PCI_VENDOR_ID_QLOGIC, 162 0x24e, 163 "8300 Series Dual Port 10GbE Converged Network Adapter " 164 "(TCP/IP Networking)" }, 165 { PCI_VENDOR_ID_QLOGIC, 166 PCI_DEVICE_ID_QLOGIC_QLE834X, 167 PCI_VENDOR_ID_QLOGIC, 168 0x243, 169 "8300 Series Single Port 10GbE Converged Network Adapter " 170 "(TCP/IP Networking)" }, 171 { PCI_VENDOR_ID_QLOGIC, 172 PCI_DEVICE_ID_QLOGIC_QLE834X, 173 PCI_VENDOR_ID_QLOGIC, 174 0x24a, 175 "8300 Series Dual Port 10GbE Converged Network Adapter " 176 "(TCP/IP Networking)" }, 177 { PCI_VENDOR_ID_QLOGIC, 178 PCI_DEVICE_ID_QLOGIC_QLE834X, 179 PCI_VENDOR_ID_QLOGIC, 180 0x246, 181 "8300 Series Dual Port 10GbE Converged Network Adapter " 182 "(TCP/IP Networking)" }, 183 { PCI_VENDOR_ID_QLOGIC, 184 PCI_DEVICE_ID_QLOGIC_QLE834X, 185 PCI_VENDOR_ID_QLOGIC, 186 0x252, 187 "8300 Series Dual Port 10GbE Converged Network Adapter " 188 "(TCP/IP Networking)" }, 189 { PCI_VENDOR_ID_QLOGIC, 190 PCI_DEVICE_ID_QLOGIC_QLE834X, 191 PCI_VENDOR_ID_QLOGIC, 192 0x26e, 193 "8300 Series Dual Port 10GbE Converged Network Adapter " 194 "(TCP/IP Networking)" }, 195 { PCI_VENDOR_ID_QLOGIC, 196 PCI_DEVICE_ID_QLOGIC_QLE834X, 197 PCI_VENDOR_ID_QLOGIC, 198 0x260, 199 "8300 Series Dual Port 10GbE Converged Network Adapter " 200 "(TCP/IP Networking)" }, 201 { PCI_VENDOR_ID_QLOGIC, 202 PCI_DEVICE_ID_QLOGIC_QLE834X, 203 PCI_VENDOR_ID_QLOGIC, 204 0x266, 205 "8300 Series Single Port 10GbE Converged Network Adapter " 206 "(TCP/IP Networking)" }, 207 { PCI_VENDOR_ID_QLOGIC, 208 PCI_DEVICE_ID_QLOGIC_QLE834X, 209 PCI_VENDOR_ID_QLOGIC, 210 0x269, 211 "8300 Series Dual Port 10GbE Converged Network Adapter " 212 "(TCP/IP Networking)" }, 213 { PCI_VENDOR_ID_QLOGIC, 214 PCI_DEVICE_ID_QLOGIC_QLE834X, 215 PCI_VENDOR_ID_QLOGIC, 216 0x271, 217 "8300 Series Dual Port 10GbE Converged Network Adapter " 218 "(TCP/IP Networking)" }, 219 { PCI_VENDOR_ID_QLOGIC, 220 PCI_DEVICE_ID_QLOGIC_QLE834X, 221 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 222 { PCI_VENDOR_ID_QLOGIC, 223 PCI_DEVICE_ID_QLOGIC_QLE824X, 224 PCI_VENDOR_ID_QLOGIC, 225 0x203, 226 "8200 Series Single Port 10GbE Converged Network Adapter" 227 "(TCP/IP Networking)" }, 228 { PCI_VENDOR_ID_QLOGIC, 229 PCI_DEVICE_ID_QLOGIC_QLE824X, 230 PCI_VENDOR_ID_QLOGIC, 231 0x207, 232 "8200 Series Dual Port 10GbE Converged Network Adapter" 233 "(TCP/IP Networking)" }, 234 { PCI_VENDOR_ID_QLOGIC, 235 PCI_DEVICE_ID_QLOGIC_QLE824X, 236 PCI_VENDOR_ID_QLOGIC, 237 0x20b, 238 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 239 { PCI_VENDOR_ID_QLOGIC, 240 PCI_DEVICE_ID_QLOGIC_QLE824X, 241 PCI_VENDOR_ID_QLOGIC, 242 0x20c, 243 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 244 { PCI_VENDOR_ID_QLOGIC, 245 PCI_DEVICE_ID_QLOGIC_QLE824X, 246 PCI_VENDOR_ID_QLOGIC, 247 0x20f, 248 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 249 { PCI_VENDOR_ID_QLOGIC, 250 PCI_DEVICE_ID_QLOGIC_QLE824X, 251 0x103c, 0x3733, 252 "NC523SFP 10Gb 2-port Server Adapter" }, 253 { PCI_VENDOR_ID_QLOGIC, 254 PCI_DEVICE_ID_QLOGIC_QLE824X, 255 0x103c, 0x3346, 256 "CN1000Q Dual Port Converged Network Adapter" }, 257 { PCI_VENDOR_ID_QLOGIC, 258 PCI_DEVICE_ID_QLOGIC_QLE824X, 259 PCI_VENDOR_ID_QLOGIC, 260 0x210, 261 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 262 { PCI_VENDOR_ID_QLOGIC, 263 PCI_DEVICE_ID_QLOGIC_QLE824X, 264 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 265 }; 266 267 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 268 #define QLC_MAX_SDS_RINGS 8 269 270 static const 271 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 272 273 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 274 { 275 int size = sizeof(struct qlcnic_host_sds_ring) * count; 276 277 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 278 279 return recv_ctx->sds_rings == NULL; 280 } 281 282 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 283 { 284 if (recv_ctx->sds_rings != NULL) 285 kfree(recv_ctx->sds_rings); 286 287 recv_ctx->sds_rings = NULL; 288 } 289 290 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 291 { 292 u8 mac_addr[ETH_ALEN]; 293 struct net_device *netdev = adapter->netdev; 294 struct pci_dev *pdev = adapter->pdev; 295 296 if (qlcnic_get_mac_address(adapter, mac_addr) != 0) 297 return -EIO; 298 299 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 300 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 301 302 /* set station address */ 303 304 if (!is_valid_ether_addr(netdev->dev_addr)) 305 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 306 netdev->dev_addr); 307 308 return 0; 309 } 310 311 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 312 { 313 struct qlcnic_mac_list_s *cur; 314 struct list_head *head; 315 316 list_for_each(head, &adapter->mac_list) { 317 cur = list_entry(head, struct qlcnic_mac_list_s, list); 318 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) { 319 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 320 0, QLCNIC_MAC_DEL); 321 list_del(&cur->list); 322 kfree(cur); 323 return; 324 } 325 } 326 } 327 328 static int qlcnic_set_mac(struct net_device *netdev, void *p) 329 { 330 struct qlcnic_adapter *adapter = netdev_priv(netdev); 331 struct sockaddr *addr = p; 332 333 if (qlcnic_sriov_vf_check(adapter)) 334 return -EINVAL; 335 336 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 337 return -EOPNOTSUPP; 338 339 if (!is_valid_ether_addr(addr->sa_data)) 340 return -EINVAL; 341 342 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN)) 343 return 0; 344 345 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 346 netif_device_detach(netdev); 347 qlcnic_napi_disable(adapter); 348 } 349 350 qlcnic_delete_adapter_mac(adapter); 351 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 352 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 353 qlcnic_set_multi(adapter->netdev); 354 355 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 356 netif_device_attach(netdev); 357 qlcnic_napi_enable(adapter); 358 } 359 return 0; 360 } 361 362 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 363 struct net_device *netdev, const unsigned char *addr) 364 { 365 struct qlcnic_adapter *adapter = netdev_priv(netdev); 366 int err = -EOPNOTSUPP; 367 368 if (!adapter->fdb_mac_learn) 369 return ndo_dflt_fdb_del(ndm, tb, netdev, addr); 370 371 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 372 if (is_unicast_ether_addr(addr)) 373 err = qlcnic_nic_del_mac(adapter, addr); 374 else if (is_multicast_ether_addr(addr)) 375 err = dev_mc_del(netdev, addr); 376 else 377 err = -EINVAL; 378 } 379 return err; 380 } 381 382 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 383 struct net_device *netdev, 384 const unsigned char *addr, u16 flags) 385 { 386 struct qlcnic_adapter *adapter = netdev_priv(netdev); 387 int err = 0; 388 389 if (!adapter->fdb_mac_learn) 390 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags); 391 392 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 393 pr_info("%s: FDB e-switch is not enabled\n", __func__); 394 return -EOPNOTSUPP; 395 } 396 397 if (ether_addr_equal(addr, adapter->mac_addr)) 398 return err; 399 400 if (is_unicast_ether_addr(addr)) 401 err = qlcnic_nic_add_mac(adapter, addr, 0); 402 else if (is_multicast_ether_addr(addr)) 403 err = dev_mc_add_excl(netdev, addr); 404 else 405 err = -EINVAL; 406 407 return err; 408 } 409 410 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 411 struct net_device *netdev, int idx) 412 { 413 struct qlcnic_adapter *adapter = netdev_priv(netdev); 414 415 if (!adapter->fdb_mac_learn) 416 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 417 418 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) 419 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 420 421 return idx; 422 } 423 424 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 425 { 426 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 427 usleep_range(10000, 11000); 428 429 cancel_delayed_work_sync(&adapter->fw_work); 430 } 431 432 static const struct net_device_ops qlcnic_netdev_ops = { 433 .ndo_open = qlcnic_open, 434 .ndo_stop = qlcnic_close, 435 .ndo_start_xmit = qlcnic_xmit_frame, 436 .ndo_get_stats = qlcnic_get_stats, 437 .ndo_validate_addr = eth_validate_addr, 438 .ndo_set_rx_mode = qlcnic_set_multi, 439 .ndo_set_mac_address = qlcnic_set_mac, 440 .ndo_change_mtu = qlcnic_change_mtu, 441 .ndo_fix_features = qlcnic_fix_features, 442 .ndo_set_features = qlcnic_set_features, 443 .ndo_tx_timeout = qlcnic_tx_timeout, 444 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 445 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 446 .ndo_fdb_add = qlcnic_fdb_add, 447 .ndo_fdb_del = qlcnic_fdb_del, 448 .ndo_fdb_dump = qlcnic_fdb_dump, 449 #ifdef CONFIG_NET_POLL_CONTROLLER 450 .ndo_poll_controller = qlcnic_poll_controller, 451 #endif 452 #ifdef CONFIG_QLCNIC_SRIOV 453 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 454 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate, 455 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 456 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 457 #endif 458 }; 459 460 static const struct net_device_ops qlcnic_netdev_failed_ops = { 461 .ndo_open = qlcnic_open, 462 }; 463 464 static struct qlcnic_nic_template qlcnic_ops = { 465 .config_bridged_mode = qlcnic_config_bridged_mode, 466 .config_led = qlcnic_82xx_config_led, 467 .start_firmware = qlcnic_82xx_start_firmware, 468 .request_reset = qlcnic_82xx_dev_request_reset, 469 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 470 .napi_add = qlcnic_82xx_napi_add, 471 .napi_del = qlcnic_82xx_napi_del, 472 .config_ipaddr = qlcnic_82xx_config_ipaddr, 473 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 474 }; 475 476 struct qlcnic_nic_template qlcnic_vf_ops = { 477 .config_bridged_mode = qlcnicvf_config_bridged_mode, 478 .config_led = qlcnicvf_config_led, 479 .start_firmware = qlcnicvf_start_firmware 480 }; 481 482 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 483 .read_crb = qlcnic_82xx_read_crb, 484 .write_crb = qlcnic_82xx_write_crb, 485 .read_reg = qlcnic_82xx_hw_read_wx_2M, 486 .write_reg = qlcnic_82xx_hw_write_wx_2M, 487 .get_mac_address = qlcnic_82xx_get_mac_address, 488 .setup_intr = qlcnic_82xx_setup_intr, 489 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 490 .mbx_cmd = qlcnic_82xx_issue_cmd, 491 .get_func_no = qlcnic_82xx_get_func_no, 492 .api_lock = qlcnic_82xx_api_lock, 493 .api_unlock = qlcnic_82xx_api_unlock, 494 .add_sysfs = qlcnic_82xx_add_sysfs, 495 .remove_sysfs = qlcnic_82xx_remove_sysfs, 496 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 497 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 498 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 499 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 500 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 501 .setup_link_event = qlcnic_82xx_linkevent_request, 502 .get_nic_info = qlcnic_82xx_get_nic_info, 503 .get_pci_info = qlcnic_82xx_get_pci_info, 504 .set_nic_info = qlcnic_82xx_set_nic_info, 505 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 506 .napi_enable = qlcnic_82xx_napi_enable, 507 .napi_disable = qlcnic_82xx_napi_disable, 508 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 509 .config_rss = qlcnic_82xx_config_rss, 510 .config_hw_lro = qlcnic_82xx_config_hw_lro, 511 .config_loopback = qlcnic_82xx_set_lb_mode, 512 .clear_loopback = qlcnic_82xx_clear_lb_mode, 513 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 514 .change_l2_filter = qlcnic_82xx_change_filter, 515 .get_board_info = qlcnic_82xx_get_board_info, 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 i, ret = 1; 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 if (qlcnic_config_npars) { 785 for (i = 0; i < ahw->act_pci_func; i++) { 786 id = adapter->npars[i].pci_func; 787 if (id == ahw->pci_func) 788 continue; 789 data |= (qlcnic_config_npars & 790 QLC_DEV_SET_DRV(0xf, id)); 791 } 792 } else { 793 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 794 data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) | 795 (QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, 796 ahw->pci_func)); 797 } 798 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 799 qlcnic_api_unlock(adapter); 800 err_lock: 801 return ret; 802 } 803 804 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 805 const struct pci_device_id *ent) 806 { 807 u32 op_mode, priv_level; 808 809 /* Determine FW API version */ 810 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 811 QLCNIC_FW_API); 812 813 /* Find PCI function number */ 814 qlcnic_get_func_no(adapter); 815 816 /* Determine function privilege level */ 817 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 818 if (op_mode == QLC_DEV_DRV_DEFAULT) 819 priv_level = QLCNIC_MGMT_FUNC; 820 else 821 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 822 823 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 824 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 825 dev_info(&adapter->pdev->dev, 826 "HAL Version: %d Non Privileged function\n", 827 adapter->ahw->fw_hal_version); 828 adapter->nic_ops = &qlcnic_vf_ops; 829 } else 830 adapter->nic_ops = &qlcnic_ops; 831 } 832 833 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 834 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 835 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 836 { 837 switch (dev_id) { 838 case PCI_DEVICE_ID_QLOGIC_QLE824X: 839 *bar = QLCNIC_82XX_BAR0_LENGTH; 840 break; 841 case PCI_DEVICE_ID_QLOGIC_QLE834X: 842 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 843 *bar = QLCNIC_83XX_BAR0_LENGTH; 844 break; 845 default: 846 *bar = 0; 847 } 848 } 849 850 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 851 struct qlcnic_hardware_context *ahw) 852 { 853 u32 offset; 854 void __iomem *mem_ptr0 = NULL; 855 unsigned long mem_len, pci_len0 = 0, bar0_len; 856 857 /* remap phys address */ 858 mem_len = pci_resource_len(pdev, 0); 859 860 qlcnic_get_bar_length(pdev->device, &bar0_len); 861 if (mem_len >= bar0_len) { 862 863 mem_ptr0 = pci_ioremap_bar(pdev, 0); 864 if (mem_ptr0 == NULL) { 865 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 866 return -EIO; 867 } 868 pci_len0 = mem_len; 869 } else { 870 return -EIO; 871 } 872 873 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 874 875 ahw->pci_base0 = mem_ptr0; 876 ahw->pci_len0 = pci_len0; 877 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 878 qlcnic_get_ioaddr(ahw, offset); 879 880 return 0; 881 } 882 883 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 884 { 885 struct pci_dev *pdev = adapter->pdev; 886 int i, found = 0; 887 888 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 889 if (qlcnic_boards[i].vendor == pdev->vendor && 890 qlcnic_boards[i].device == pdev->device && 891 qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor && 892 qlcnic_boards[i].sub_device == pdev->subsystem_device) { 893 sprintf(name, "%pM: %s" , 894 adapter->mac_addr, 895 qlcnic_boards[i].short_name); 896 found = 1; 897 break; 898 } 899 900 } 901 902 if (!found) 903 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 904 } 905 906 static void 907 qlcnic_check_options(struct qlcnic_adapter *adapter) 908 { 909 int err; 910 u32 fw_major, fw_minor, fw_build, prev_fw_version; 911 struct pci_dev *pdev = adapter->pdev; 912 struct qlcnic_hardware_context *ahw = adapter->ahw; 913 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 914 915 prev_fw_version = adapter->fw_version; 916 917 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 918 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 919 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 920 921 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 922 923 err = qlcnic_get_board_info(adapter); 924 if (err) { 925 dev_err(&pdev->dev, "Error getting board config info.\n"); 926 return; 927 } 928 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 929 if (fw_dump->tmpl_hdr == NULL || 930 adapter->fw_version > prev_fw_version) { 931 if (fw_dump->tmpl_hdr) 932 vfree(fw_dump->tmpl_hdr); 933 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 934 dev_info(&pdev->dev, 935 "Supports FW dump capability\n"); 936 } 937 } 938 939 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 940 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 941 942 if (adapter->ahw->port_type == QLCNIC_XGBE) { 943 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 944 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 945 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 946 } else { 947 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 948 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 949 } 950 951 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 952 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 953 954 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 955 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 956 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 957 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 958 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 959 } 960 961 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 962 963 adapter->num_txd = MAX_CMD_DESCRIPTORS; 964 965 adapter->max_rds_rings = MAX_RDS_RINGS; 966 } 967 968 static int 969 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 970 { 971 int err; 972 struct qlcnic_info nic_info; 973 974 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 975 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 976 if (err) 977 return err; 978 979 adapter->ahw->physical_port = (u8)nic_info.phys_port; 980 adapter->ahw->switch_mode = nic_info.switch_mode; 981 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 982 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 983 adapter->ahw->capabilities = nic_info.capabilities; 984 985 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 986 u32 temp; 987 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2); 988 adapter->ahw->capabilities2 = temp; 989 } 990 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 991 adapter->ahw->max_mtu = nic_info.max_mtu; 992 993 /* Disable NPAR for 83XX */ 994 if (qlcnic_83xx_check(adapter)) 995 return err; 996 997 if (adapter->ahw->capabilities & BIT_6) 998 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 999 else 1000 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1001 1002 return err; 1003 } 1004 1005 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1006 struct qlcnic_esw_func_cfg *esw_cfg) 1007 { 1008 if (esw_cfg->discard_tagged) 1009 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1010 else 1011 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1012 1013 if (esw_cfg->vlan_id) { 1014 adapter->rx_pvid = esw_cfg->vlan_id; 1015 adapter->tx_pvid = esw_cfg->vlan_id; 1016 } else { 1017 adapter->rx_pvid = 0; 1018 adapter->tx_pvid = 0; 1019 } 1020 } 1021 1022 static int 1023 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1024 { 1025 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1026 int err; 1027 1028 if (qlcnic_sriov_vf_check(adapter)) { 1029 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1030 if (err) { 1031 netdev_err(netdev, 1032 "Cannot add VLAN filter for VLAN id %d, err=%d", 1033 vid, err); 1034 return err; 1035 } 1036 } 1037 1038 set_bit(vid, adapter->vlans); 1039 return 0; 1040 } 1041 1042 static int 1043 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1044 { 1045 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1046 int err; 1047 1048 if (qlcnic_sriov_vf_check(adapter)) { 1049 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1050 if (err) { 1051 netdev_err(netdev, 1052 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1053 vid, err); 1054 return err; 1055 } 1056 } 1057 1058 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1059 clear_bit(vid, adapter->vlans); 1060 return 0; 1061 } 1062 1063 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1064 struct qlcnic_esw_func_cfg *esw_cfg) 1065 { 1066 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1067 QLCNIC_PROMISC_DISABLED); 1068 1069 if (esw_cfg->mac_anti_spoof) 1070 adapter->flags |= QLCNIC_MACSPOOF; 1071 1072 if (!esw_cfg->mac_override) 1073 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1074 1075 if (!esw_cfg->promisc_mode) 1076 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1077 1078 qlcnic_set_netdev_features(adapter, esw_cfg); 1079 } 1080 1081 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1082 { 1083 struct qlcnic_esw_func_cfg esw_cfg; 1084 1085 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1086 return 0; 1087 1088 esw_cfg.pci_func = adapter->ahw->pci_func; 1089 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1090 return -EIO; 1091 qlcnic_set_vlan_config(adapter, &esw_cfg); 1092 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1093 1094 return 0; 1095 } 1096 1097 static void 1098 qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1099 struct qlcnic_esw_func_cfg *esw_cfg) 1100 { 1101 struct net_device *netdev = adapter->netdev; 1102 unsigned long features, vlan_features; 1103 1104 if (qlcnic_83xx_check(adapter)) 1105 return; 1106 1107 features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 1108 NETIF_F_IPV6_CSUM | NETIF_F_GRO); 1109 vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM | 1110 NETIF_F_IPV6_CSUM); 1111 1112 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 1113 features |= (NETIF_F_TSO | NETIF_F_TSO6); 1114 vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 1115 } 1116 1117 if (netdev->features & NETIF_F_LRO) 1118 features |= NETIF_F_LRO; 1119 1120 if (esw_cfg->offload_flags & BIT_0) { 1121 netdev->features |= features; 1122 adapter->rx_csum = 1; 1123 if (!(esw_cfg->offload_flags & BIT_1)) { 1124 netdev->features &= ~NETIF_F_TSO; 1125 features &= ~NETIF_F_TSO; 1126 } 1127 if (!(esw_cfg->offload_flags & BIT_2)) { 1128 netdev->features &= ~NETIF_F_TSO6; 1129 features &= ~NETIF_F_TSO6; 1130 } 1131 } else { 1132 netdev->features &= ~features; 1133 features &= ~features; 1134 adapter->rx_csum = 0; 1135 } 1136 1137 netdev->vlan_features = (features & vlan_features); 1138 } 1139 1140 static int 1141 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1142 { 1143 u32 op_mode, priv_level; 1144 int err = 0; 1145 1146 err = qlcnic_initialize_nic(adapter); 1147 if (err) 1148 return err; 1149 1150 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1151 return 0; 1152 1153 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1154 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1155 1156 if (op_mode == QLC_DEV_DRV_DEFAULT) 1157 priv_level = QLCNIC_MGMT_FUNC; 1158 else 1159 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1160 1161 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1162 if (priv_level == QLCNIC_MGMT_FUNC) { 1163 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1164 err = qlcnic_init_pci_info(adapter); 1165 if (err) 1166 return err; 1167 /* Set privilege level for other functions */ 1168 qlcnic_set_function_modes(adapter); 1169 dev_info(&adapter->pdev->dev, 1170 "HAL Version: %d, Management function\n", 1171 adapter->ahw->fw_hal_version); 1172 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1173 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1174 dev_info(&adapter->pdev->dev, 1175 "HAL Version: %d, Privileged function\n", 1176 adapter->ahw->fw_hal_version); 1177 } 1178 } 1179 1180 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1181 1182 return err; 1183 } 1184 1185 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1186 { 1187 struct qlcnic_esw_func_cfg esw_cfg; 1188 struct qlcnic_npar_info *npar; 1189 u8 i; 1190 1191 if (adapter->need_fw_reset) 1192 return 0; 1193 1194 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1195 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1196 esw_cfg.pci_func = adapter->npars[i].pci_func; 1197 esw_cfg.mac_override = BIT_0; 1198 esw_cfg.promisc_mode = BIT_0; 1199 if (qlcnic_82xx_check(adapter)) { 1200 esw_cfg.offload_flags = BIT_0; 1201 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1202 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1203 } 1204 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1205 return -EIO; 1206 npar = &adapter->npars[i]; 1207 npar->pvid = esw_cfg.vlan_id; 1208 npar->mac_override = esw_cfg.mac_override; 1209 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1210 npar->discard_tagged = esw_cfg.discard_tagged; 1211 npar->promisc_mode = esw_cfg.promisc_mode; 1212 npar->offload_flags = esw_cfg.offload_flags; 1213 } 1214 1215 return 0; 1216 } 1217 1218 1219 static int 1220 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1221 struct qlcnic_npar_info *npar, int pci_func) 1222 { 1223 struct qlcnic_esw_func_cfg esw_cfg; 1224 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1225 esw_cfg.pci_func = pci_func; 1226 esw_cfg.vlan_id = npar->pvid; 1227 esw_cfg.mac_override = npar->mac_override; 1228 esw_cfg.discard_tagged = npar->discard_tagged; 1229 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1230 esw_cfg.offload_flags = npar->offload_flags; 1231 esw_cfg.promisc_mode = npar->promisc_mode; 1232 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1233 return -EIO; 1234 1235 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1236 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1237 return -EIO; 1238 1239 return 0; 1240 } 1241 1242 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1243 { 1244 int i, err; 1245 struct qlcnic_npar_info *npar; 1246 struct qlcnic_info nic_info; 1247 u8 pci_func; 1248 1249 if (qlcnic_82xx_check(adapter)) 1250 if (!adapter->need_fw_reset) 1251 return 0; 1252 1253 /* Set the NPAR config data after FW reset */ 1254 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1255 npar = &adapter->npars[i]; 1256 pci_func = npar->pci_func; 1257 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1258 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1259 if (err) 1260 return err; 1261 nic_info.min_tx_bw = npar->min_bw; 1262 nic_info.max_tx_bw = npar->max_bw; 1263 err = qlcnic_set_nic_info(adapter, &nic_info); 1264 if (err) 1265 return err; 1266 1267 if (npar->enable_pm) { 1268 err = qlcnic_config_port_mirroring(adapter, 1269 npar->dest_npar, 1, 1270 pci_func); 1271 if (err) 1272 return err; 1273 } 1274 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1275 if (err) 1276 return err; 1277 } 1278 return 0; 1279 } 1280 1281 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1282 { 1283 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1284 u32 npar_state; 1285 1286 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1287 return 0; 1288 1289 npar_state = QLC_SHARED_REG_RD32(adapter, 1290 QLCNIC_CRB_DEV_NPAR_STATE); 1291 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1292 msleep(1000); 1293 npar_state = QLC_SHARED_REG_RD32(adapter, 1294 QLCNIC_CRB_DEV_NPAR_STATE); 1295 } 1296 if (!npar_opt_timeo) { 1297 dev_err(&adapter->pdev->dev, 1298 "Waiting for NPAR state to operational timeout\n"); 1299 return -EIO; 1300 } 1301 return 0; 1302 } 1303 1304 static int 1305 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1306 { 1307 int err; 1308 1309 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1310 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1311 return 0; 1312 1313 err = qlcnic_set_default_offload_settings(adapter); 1314 if (err) 1315 return err; 1316 1317 err = qlcnic_reset_npar_config(adapter); 1318 if (err) 1319 return err; 1320 1321 qlcnic_dev_set_npar_ready(adapter); 1322 1323 return err; 1324 } 1325 1326 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1327 { 1328 int err; 1329 1330 err = qlcnic_can_start_firmware(adapter); 1331 if (err < 0) 1332 return err; 1333 else if (!err) 1334 goto check_fw_status; 1335 1336 if (qlcnic_load_fw_file) 1337 qlcnic_request_firmware(adapter); 1338 else { 1339 err = qlcnic_check_flash_fw_ver(adapter); 1340 if (err) 1341 goto err_out; 1342 1343 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1344 } 1345 1346 err = qlcnic_need_fw_reset(adapter); 1347 if (err == 0) 1348 goto check_fw_status; 1349 1350 err = qlcnic_pinit_from_rom(adapter); 1351 if (err) 1352 goto err_out; 1353 1354 err = qlcnic_load_firmware(adapter); 1355 if (err) 1356 goto err_out; 1357 1358 qlcnic_release_firmware(adapter); 1359 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1360 1361 check_fw_status: 1362 err = qlcnic_check_fw_status(adapter); 1363 if (err) 1364 goto err_out; 1365 1366 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1367 qlcnic_idc_debug_info(adapter, 1); 1368 err = qlcnic_check_eswitch_mode(adapter); 1369 if (err) { 1370 dev_err(&adapter->pdev->dev, 1371 "Memory allocation failed for eswitch\n"); 1372 goto err_out; 1373 } 1374 err = qlcnic_set_mgmt_operations(adapter); 1375 if (err) 1376 goto err_out; 1377 1378 qlcnic_check_options(adapter); 1379 adapter->need_fw_reset = 0; 1380 1381 qlcnic_release_firmware(adapter); 1382 return 0; 1383 1384 err_out: 1385 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1386 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1387 1388 qlcnic_release_firmware(adapter); 1389 return err; 1390 } 1391 1392 static int 1393 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1394 { 1395 irq_handler_t handler; 1396 struct qlcnic_host_sds_ring *sds_ring; 1397 struct qlcnic_host_tx_ring *tx_ring; 1398 int err, ring, num_sds_rings; 1399 1400 unsigned long flags = 0; 1401 struct net_device *netdev = adapter->netdev; 1402 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1403 1404 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1405 if (qlcnic_82xx_check(adapter)) 1406 handler = qlcnic_tmp_intr; 1407 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1408 flags |= IRQF_SHARED; 1409 1410 } else { 1411 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1412 handler = qlcnic_msix_intr; 1413 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1414 handler = qlcnic_msi_intr; 1415 else { 1416 flags |= IRQF_SHARED; 1417 if (qlcnic_82xx_check(adapter)) 1418 handler = qlcnic_intr; 1419 else 1420 handler = qlcnic_83xx_intr; 1421 } 1422 } 1423 adapter->irq = netdev->irq; 1424 1425 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1426 if (qlcnic_82xx_check(adapter) || 1427 (qlcnic_83xx_check(adapter) && 1428 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1429 num_sds_rings = adapter->max_sds_rings; 1430 for (ring = 0; ring < num_sds_rings; ring++) { 1431 sds_ring = &recv_ctx->sds_rings[ring]; 1432 if (qlcnic_82xx_check(adapter) && 1433 (ring == (num_sds_rings - 1))) 1434 snprintf(sds_ring->name, 1435 sizeof(sds_ring->name), 1436 "qlcnic-%s[Tx0+Rx%d]", 1437 netdev->name, ring); 1438 else 1439 snprintf(sds_ring->name, 1440 sizeof(sds_ring->name), 1441 "qlcnic-%s[Rx%d]", 1442 netdev->name, ring); 1443 err = request_irq(sds_ring->irq, handler, flags, 1444 sds_ring->name, sds_ring); 1445 if (err) 1446 return err; 1447 } 1448 } 1449 if (qlcnic_83xx_check(adapter) && 1450 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1451 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { 1452 handler = qlcnic_msix_tx_intr; 1453 for (ring = 0; ring < adapter->max_drv_tx_rings; 1454 ring++) { 1455 tx_ring = &adapter->tx_ring[ring]; 1456 snprintf(tx_ring->name, sizeof(tx_ring->name), 1457 "qlcnic-%s[Tx%d]", netdev->name, ring); 1458 err = request_irq(tx_ring->irq, handler, flags, 1459 tx_ring->name, tx_ring); 1460 if (err) 1461 return err; 1462 } 1463 } 1464 } 1465 return 0; 1466 } 1467 1468 static void 1469 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1470 { 1471 int ring; 1472 struct qlcnic_host_sds_ring *sds_ring; 1473 struct qlcnic_host_tx_ring *tx_ring; 1474 1475 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1476 1477 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1478 if (qlcnic_82xx_check(adapter) || 1479 (qlcnic_83xx_check(adapter) && 1480 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1481 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1482 sds_ring = &recv_ctx->sds_rings[ring]; 1483 free_irq(sds_ring->irq, sds_ring); 1484 } 1485 } 1486 if (qlcnic_83xx_check(adapter) && 1487 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { 1488 for (ring = 0; ring < adapter->max_drv_tx_rings; 1489 ring++) { 1490 tx_ring = &adapter->tx_ring[ring]; 1491 if (tx_ring->irq) 1492 free_irq(tx_ring->irq, tx_ring); 1493 } 1494 } 1495 } 1496 } 1497 1498 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1499 { 1500 u32 capab = 0; 1501 1502 if (qlcnic_82xx_check(adapter)) { 1503 if (adapter->ahw->capabilities2 & 1504 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1505 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1506 } else { 1507 capab = adapter->ahw->capabilities; 1508 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1509 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1510 } 1511 } 1512 1513 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1514 { 1515 int ring; 1516 struct qlcnic_host_rds_ring *rds_ring; 1517 1518 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1519 return -EIO; 1520 1521 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1522 return 0; 1523 if (qlcnic_set_eswitch_port_config(adapter)) 1524 return -EIO; 1525 qlcnic_get_lro_mss_capability(adapter); 1526 1527 if (qlcnic_fw_create_ctx(adapter)) 1528 return -EIO; 1529 1530 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1531 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1532 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1533 } 1534 1535 qlcnic_set_multi(netdev); 1536 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1537 1538 adapter->ahw->linkup = 0; 1539 1540 if (adapter->max_sds_rings > 1) 1541 qlcnic_config_rss(adapter, 1); 1542 1543 qlcnic_config_intr_coalesce(adapter); 1544 1545 if (netdev->features & NETIF_F_LRO) 1546 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1547 1548 qlcnic_napi_enable(adapter); 1549 1550 qlcnic_linkevent_request(adapter, 1); 1551 1552 adapter->ahw->reset_context = 0; 1553 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1554 return 0; 1555 } 1556 1557 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1558 { 1559 int err = 0; 1560 1561 rtnl_lock(); 1562 if (netif_running(netdev)) 1563 err = __qlcnic_up(adapter, netdev); 1564 rtnl_unlock(); 1565 1566 return err; 1567 } 1568 1569 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1570 { 1571 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1572 return; 1573 1574 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1575 return; 1576 1577 if (qlcnic_sriov_vf_check(adapter)) 1578 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1579 smp_mb(); 1580 spin_lock(&adapter->tx_clean_lock); 1581 netif_carrier_off(netdev); 1582 adapter->ahw->linkup = 0; 1583 netif_tx_disable(netdev); 1584 1585 qlcnic_free_mac_list(adapter); 1586 1587 if (adapter->fhash.fnum) 1588 qlcnic_delete_lb_filters(adapter); 1589 1590 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1591 1592 qlcnic_napi_disable(adapter); 1593 1594 qlcnic_fw_destroy_ctx(adapter); 1595 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1596 1597 qlcnic_reset_rx_buffers_list(adapter); 1598 qlcnic_release_tx_buffers(adapter); 1599 spin_unlock(&adapter->tx_clean_lock); 1600 } 1601 1602 /* Usage: During suspend and firmware recovery module */ 1603 1604 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1605 { 1606 rtnl_lock(); 1607 if (netif_running(netdev)) 1608 __qlcnic_down(adapter, netdev); 1609 rtnl_unlock(); 1610 1611 } 1612 1613 int 1614 qlcnic_attach(struct qlcnic_adapter *adapter) 1615 { 1616 struct net_device *netdev = adapter->netdev; 1617 struct pci_dev *pdev = adapter->pdev; 1618 int err; 1619 1620 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1621 return 0; 1622 1623 err = qlcnic_napi_add(adapter, netdev); 1624 if (err) 1625 return err; 1626 1627 err = qlcnic_alloc_sw_resources(adapter); 1628 if (err) { 1629 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1630 goto err_out_napi_del; 1631 } 1632 1633 err = qlcnic_alloc_hw_resources(adapter); 1634 if (err) { 1635 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1636 goto err_out_free_sw; 1637 } 1638 1639 err = qlcnic_request_irq(adapter); 1640 if (err) { 1641 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1642 goto err_out_free_hw; 1643 } 1644 1645 qlcnic_create_sysfs_entries(adapter); 1646 1647 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 1648 return 0; 1649 1650 err_out_free_hw: 1651 qlcnic_free_hw_resources(adapter); 1652 err_out_free_sw: 1653 qlcnic_free_sw_resources(adapter); 1654 err_out_napi_del: 1655 qlcnic_napi_del(adapter); 1656 return err; 1657 } 1658 1659 void qlcnic_detach(struct qlcnic_adapter *adapter) 1660 { 1661 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1662 return; 1663 1664 qlcnic_remove_sysfs_entries(adapter); 1665 1666 qlcnic_free_hw_resources(adapter); 1667 qlcnic_release_rx_buffers(adapter); 1668 qlcnic_free_irq(adapter); 1669 qlcnic_napi_del(adapter); 1670 qlcnic_free_sw_resources(adapter); 1671 1672 adapter->is_up = 0; 1673 } 1674 1675 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) 1676 { 1677 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1678 struct qlcnic_host_sds_ring *sds_ring; 1679 int ring; 1680 1681 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 1682 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1683 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1684 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1685 qlcnic_disable_int(sds_ring); 1686 } 1687 } 1688 1689 qlcnic_fw_destroy_ctx(adapter); 1690 1691 qlcnic_detach(adapter); 1692 1693 adapter->ahw->diag_test = 0; 1694 adapter->max_sds_rings = max_sds_rings; 1695 1696 if (qlcnic_attach(adapter)) 1697 goto out; 1698 1699 if (netif_running(netdev)) 1700 __qlcnic_up(adapter, netdev); 1701 out: 1702 netif_device_attach(netdev); 1703 } 1704 1705 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 1706 { 1707 struct qlcnic_hardware_context *ahw = adapter->ahw; 1708 int err = 0; 1709 1710 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 1711 GFP_KERNEL); 1712 if (!adapter->recv_ctx) { 1713 err = -ENOMEM; 1714 goto err_out; 1715 } 1716 /* Initialize interrupt coalesce parameters */ 1717 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1718 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1719 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1720 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1721 if (qlcnic_83xx_check(adapter)) { 1722 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1723 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1724 } 1725 /* clear stats */ 1726 memset(&adapter->stats, 0, sizeof(adapter->stats)); 1727 err_out: 1728 return err; 1729 } 1730 1731 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 1732 { 1733 kfree(adapter->recv_ctx); 1734 adapter->recv_ctx = NULL; 1735 1736 if (adapter->ahw->fw_dump.tmpl_hdr) { 1737 vfree(adapter->ahw->fw_dump.tmpl_hdr); 1738 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1739 } 1740 1741 kfree(adapter->ahw->reset.buff); 1742 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1743 } 1744 1745 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 1746 { 1747 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1748 struct qlcnic_host_sds_ring *sds_ring; 1749 struct qlcnic_host_rds_ring *rds_ring; 1750 int ring; 1751 int ret; 1752 1753 netif_device_detach(netdev); 1754 1755 if (netif_running(netdev)) 1756 __qlcnic_down(adapter, netdev); 1757 1758 qlcnic_detach(adapter); 1759 1760 adapter->max_sds_rings = 1; 1761 adapter->ahw->diag_test = test; 1762 adapter->ahw->linkup = 0; 1763 1764 ret = qlcnic_attach(adapter); 1765 if (ret) { 1766 netif_device_attach(netdev); 1767 return ret; 1768 } 1769 1770 ret = qlcnic_fw_create_ctx(adapter); 1771 if (ret) { 1772 qlcnic_detach(adapter); 1773 netif_device_attach(netdev); 1774 return ret; 1775 } 1776 1777 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1778 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1779 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1780 } 1781 1782 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1783 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1784 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1785 qlcnic_enable_int(sds_ring); 1786 } 1787 } 1788 1789 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 1790 adapter->ahw->loopback_state = 0; 1791 qlcnic_linkevent_request(adapter, 1); 1792 } 1793 1794 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1795 1796 return 0; 1797 } 1798 1799 /* Reset context in hardware only */ 1800 static int 1801 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 1802 { 1803 struct net_device *netdev = adapter->netdev; 1804 1805 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1806 return -EBUSY; 1807 1808 netif_device_detach(netdev); 1809 1810 qlcnic_down(adapter, netdev); 1811 1812 qlcnic_up(adapter, netdev); 1813 1814 netif_device_attach(netdev); 1815 1816 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1817 dev_err(&adapter->pdev->dev, "%s:\n", __func__); 1818 return 0; 1819 } 1820 1821 int 1822 qlcnic_reset_context(struct qlcnic_adapter *adapter) 1823 { 1824 int err = 0; 1825 struct net_device *netdev = adapter->netdev; 1826 1827 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1828 return -EBUSY; 1829 1830 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 1831 1832 netif_device_detach(netdev); 1833 1834 if (netif_running(netdev)) 1835 __qlcnic_down(adapter, netdev); 1836 1837 qlcnic_detach(adapter); 1838 1839 if (netif_running(netdev)) { 1840 err = qlcnic_attach(adapter); 1841 if (!err) { 1842 __qlcnic_up(adapter, netdev); 1843 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 1844 } 1845 } 1846 1847 netif_device_attach(netdev); 1848 } 1849 1850 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1851 return err; 1852 } 1853 1854 int 1855 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 1856 int pci_using_dac) 1857 { 1858 int err; 1859 struct pci_dev *pdev = adapter->pdev; 1860 1861 adapter->rx_csum = 1; 1862 adapter->ahw->mc_enabled = 0; 1863 adapter->ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 1864 1865 netdev->netdev_ops = &qlcnic_netdev_ops; 1866 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 1867 1868 qlcnic_change_mtu(netdev, netdev->mtu); 1869 1870 if (qlcnic_sriov_vf_check(adapter)) 1871 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops); 1872 else 1873 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); 1874 1875 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 1876 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 1877 NETIF_F_HW_VLAN_CTAG_RX); 1878 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 1879 NETIF_F_IPV6_CSUM); 1880 1881 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 1882 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 1883 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 1884 } 1885 1886 if (pci_using_dac) { 1887 netdev->features |= NETIF_F_HIGHDMA; 1888 netdev->vlan_features |= NETIF_F_HIGHDMA; 1889 } 1890 1891 if (qlcnic_vlan_tx_check(adapter)) 1892 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 1893 1894 if (qlcnic_sriov_vf_check(adapter)) 1895 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 1896 1897 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 1898 netdev->features |= NETIF_F_LRO; 1899 1900 netdev->hw_features = netdev->features; 1901 netdev->irq = adapter->msix_entries[0].vector; 1902 1903 err = register_netdev(netdev); 1904 if (err) { 1905 dev_err(&pdev->dev, "failed to register net device\n"); 1906 return err; 1907 } 1908 1909 return 0; 1910 } 1911 1912 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 1913 { 1914 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 1915 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 1916 *pci_using_dac = 1; 1917 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 1918 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 1919 *pci_using_dac = 0; 1920 else { 1921 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 1922 return -EIO; 1923 } 1924 1925 return 0; 1926 } 1927 1928 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 1929 { 1930 int ring; 1931 struct qlcnic_host_tx_ring *tx_ring; 1932 1933 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 1934 tx_ring = &adapter->tx_ring[ring]; 1935 if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 1936 vfree(tx_ring->cmd_buf_arr); 1937 tx_ring->cmd_buf_arr = NULL; 1938 } 1939 } 1940 if (adapter->tx_ring != NULL) 1941 kfree(adapter->tx_ring); 1942 } 1943 1944 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 1945 struct net_device *netdev) 1946 { 1947 int ring, vector, index; 1948 struct qlcnic_host_tx_ring *tx_ring; 1949 struct qlcnic_cmd_buffer *cmd_buf_arr; 1950 1951 tx_ring = kcalloc(adapter->max_drv_tx_rings, 1952 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 1953 if (tx_ring == NULL) 1954 return -ENOMEM; 1955 1956 adapter->tx_ring = tx_ring; 1957 1958 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 1959 tx_ring = &adapter->tx_ring[ring]; 1960 tx_ring->num_desc = adapter->num_txd; 1961 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 1962 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 1963 if (cmd_buf_arr == NULL) { 1964 qlcnic_free_tx_rings(adapter); 1965 return -ENOMEM; 1966 } 1967 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 1968 tx_ring->cmd_buf_arr = cmd_buf_arr; 1969 } 1970 1971 if (qlcnic_83xx_check(adapter)) { 1972 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 1973 tx_ring = &adapter->tx_ring[ring]; 1974 tx_ring->adapter = adapter; 1975 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 1976 index = adapter->max_sds_rings + ring; 1977 vector = adapter->msix_entries[index].vector; 1978 tx_ring->irq = vector; 1979 } 1980 } 1981 } 1982 return 0; 1983 } 1984 1985 static int 1986 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 1987 { 1988 struct net_device *netdev = NULL; 1989 struct qlcnic_adapter *adapter = NULL; 1990 struct qlcnic_hardware_context *ahw; 1991 int err, pci_using_dac = -1; 1992 u32 capab2; 1993 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 1994 1995 if (pdev->is_virtfn) 1996 return -ENODEV; 1997 1998 err = pci_enable_device(pdev); 1999 if (err) 2000 return err; 2001 2002 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2003 err = -ENODEV; 2004 goto err_out_disable_pdev; 2005 } 2006 2007 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2008 if (err) 2009 goto err_out_disable_pdev; 2010 2011 err = pci_request_regions(pdev, qlcnic_driver_name); 2012 if (err) 2013 goto err_out_disable_pdev; 2014 2015 pci_set_master(pdev); 2016 pci_enable_pcie_error_reporting(pdev); 2017 2018 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2019 if (!ahw) 2020 goto err_out_free_res; 2021 2022 switch (ent->device) { 2023 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2024 ahw->hw_ops = &qlcnic_hw_ops; 2025 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2026 break; 2027 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2028 qlcnic_83xx_register_map(ahw); 2029 break; 2030 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2031 qlcnic_sriov_vf_register_map(ahw); 2032 break; 2033 default: 2034 goto err_out_free_hw_res; 2035 } 2036 2037 err = qlcnic_setup_pci_map(pdev, ahw); 2038 if (err) 2039 goto err_out_free_hw_res; 2040 2041 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter)); 2042 if (!netdev) { 2043 err = -ENOMEM; 2044 goto err_out_iounmap; 2045 } 2046 2047 SET_NETDEV_DEV(netdev, &pdev->dev); 2048 2049 adapter = netdev_priv(netdev); 2050 adapter->netdev = netdev; 2051 adapter->pdev = pdev; 2052 adapter->ahw = ahw; 2053 2054 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2055 if (adapter->qlcnic_wq == NULL) { 2056 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2057 goto err_out_free_netdev; 2058 } 2059 2060 err = qlcnic_alloc_adapter_resources(adapter); 2061 if (err) 2062 goto err_out_free_netdev; 2063 2064 adapter->dev_rst_time = jiffies; 2065 adapter->ahw->revision_id = pdev->revision; 2066 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2067 adapter->fdb_mac_learn = true; 2068 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2069 adapter->drv_mac_learn = true; 2070 adapter->max_drv_tx_rings = 1; 2071 2072 rwlock_init(&adapter->ahw->crb_lock); 2073 mutex_init(&adapter->ahw->mem_lock); 2074 2075 spin_lock_init(&adapter->tx_clean_lock); 2076 INIT_LIST_HEAD(&adapter->mac_list); 2077 2078 if (qlcnic_82xx_check(adapter)) { 2079 qlcnic_check_vf(adapter, ent); 2080 adapter->portnum = adapter->ahw->pci_func; 2081 err = qlcnic_start_firmware(adapter); 2082 if (err) { 2083 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); 2084 goto err_out_free_hw; 2085 } 2086 2087 err = qlcnic_setup_idc_param(adapter); 2088 if (err) 2089 goto err_out_free_hw; 2090 2091 adapter->flags |= QLCNIC_NEED_FLR; 2092 } else if (qlcnic_83xx_check(adapter)) { 2093 qlcnic_83xx_check_vf(adapter, ent); 2094 adapter->portnum = adapter->ahw->pci_func; 2095 err = qlcnic_83xx_init(adapter, pci_using_dac); 2096 if (err) { 2097 dev_err(&pdev->dev, "%s: failed\n", __func__); 2098 goto err_out_free_hw; 2099 } 2100 if (qlcnic_sriov_vf_check(adapter)) 2101 return 0; 2102 } else { 2103 dev_err(&pdev->dev, 2104 "%s: failed. Please Reboot\n", __func__); 2105 goto err_out_free_hw; 2106 } 2107 2108 if (qlcnic_read_mac_addr(adapter)) 2109 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2110 2111 if (adapter->portnum == 0) { 2112 qlcnic_get_board_name(adapter, board_name); 2113 2114 pr_info("%s: %s Board Chip rev 0x%x\n", 2115 module_name(THIS_MODULE), 2116 board_name, adapter->ahw->revision_id); 2117 } 2118 2119 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2120 !!qlcnic_use_msi) 2121 dev_warn(&pdev->dev, 2122 "83xx adapter do not support MSI interrupts\n"); 2123 2124 err = qlcnic_setup_intr(adapter, 0); 2125 if (err) { 2126 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2127 goto err_out_disable_msi; 2128 } 2129 2130 if (qlcnic_83xx_check(adapter)) { 2131 err = qlcnic_83xx_setup_mbx_intr(adapter); 2132 if (err) 2133 goto err_out_disable_msi; 2134 } 2135 2136 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2137 if (err) 2138 goto err_out_disable_mbx_intr; 2139 2140 if (qlcnic_82xx_check(adapter)) { 2141 if (ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 2142 capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2); 2143 if (capab2 & QLCNIC_FW_CAPABILITY_2_OCBB) 2144 qlcnic_fw_cmd_set_drv_version(adapter); 2145 } 2146 } 2147 2148 pci_set_drvdata(pdev, adapter); 2149 2150 if (qlcnic_82xx_check(adapter)) 2151 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2152 FW_POLL_DELAY); 2153 2154 switch (adapter->ahw->port_type) { 2155 case QLCNIC_GBE: 2156 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2157 adapter->netdev->name); 2158 break; 2159 case QLCNIC_XGBE: 2160 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2161 adapter->netdev->name); 2162 break; 2163 } 2164 2165 if (qlcnic_get_act_pci_func(adapter)) 2166 goto err_out_disable_mbx_intr; 2167 2168 if (adapter->drv_mac_learn) 2169 qlcnic_alloc_lb_filters_mem(adapter); 2170 2171 qlcnic_add_sysfs(adapter); 2172 2173 return 0; 2174 2175 err_out_disable_mbx_intr: 2176 if (qlcnic_83xx_check(adapter)) 2177 qlcnic_83xx_free_mbx_intr(adapter); 2178 2179 err_out_disable_msi: 2180 qlcnic_teardown_intr(adapter); 2181 qlcnic_cancel_idc_work(adapter); 2182 qlcnic_clr_all_drv_state(adapter, 0); 2183 2184 err_out_free_hw: 2185 qlcnic_free_adapter_resources(adapter); 2186 2187 err_out_free_netdev: 2188 free_netdev(netdev); 2189 2190 err_out_iounmap: 2191 qlcnic_cleanup_pci_map(ahw); 2192 2193 err_out_free_hw_res: 2194 kfree(ahw); 2195 2196 err_out_free_res: 2197 pci_release_regions(pdev); 2198 2199 err_out_disable_pdev: 2200 pci_set_drvdata(pdev, NULL); 2201 pci_disable_device(pdev); 2202 return err; 2203 } 2204 2205 static void qlcnic_remove(struct pci_dev *pdev) 2206 { 2207 struct qlcnic_adapter *adapter; 2208 struct net_device *netdev; 2209 struct qlcnic_hardware_context *ahw; 2210 2211 adapter = pci_get_drvdata(pdev); 2212 if (adapter == NULL) 2213 return; 2214 2215 netdev = adapter->netdev; 2216 qlcnic_sriov_pf_disable(adapter); 2217 2218 qlcnic_cancel_idc_work(adapter); 2219 ahw = adapter->ahw; 2220 2221 unregister_netdev(netdev); 2222 qlcnic_sriov_cleanup(adapter); 2223 2224 if (qlcnic_83xx_check(adapter)) { 2225 qlcnic_83xx_free_mbx_intr(adapter); 2226 qlcnic_83xx_register_nic_idc_func(adapter, 0); 2227 cancel_delayed_work_sync(&adapter->idc_aen_work); 2228 } 2229 2230 qlcnic_detach(adapter); 2231 2232 if (adapter->npars != NULL) 2233 kfree(adapter->npars); 2234 if (adapter->eswitch != NULL) 2235 kfree(adapter->eswitch); 2236 2237 if (qlcnic_82xx_check(adapter)) 2238 qlcnic_clr_all_drv_state(adapter, 0); 2239 2240 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2241 2242 qlcnic_free_lb_filters_mem(adapter); 2243 2244 qlcnic_teardown_intr(adapter); 2245 2246 qlcnic_remove_sysfs(adapter); 2247 2248 qlcnic_cleanup_pci_map(adapter->ahw); 2249 2250 qlcnic_release_firmware(adapter); 2251 2252 pci_disable_pcie_error_reporting(pdev); 2253 pci_release_regions(pdev); 2254 pci_disable_device(pdev); 2255 pci_set_drvdata(pdev, NULL); 2256 2257 if (adapter->qlcnic_wq) { 2258 destroy_workqueue(adapter->qlcnic_wq); 2259 adapter->qlcnic_wq = NULL; 2260 } 2261 qlcnic_free_adapter_resources(adapter); 2262 kfree(ahw); 2263 free_netdev(netdev); 2264 } 2265 static int __qlcnic_shutdown(struct pci_dev *pdev) 2266 { 2267 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2268 struct net_device *netdev = adapter->netdev; 2269 int retval; 2270 2271 netif_device_detach(netdev); 2272 2273 qlcnic_cancel_idc_work(adapter); 2274 2275 if (netif_running(netdev)) 2276 qlcnic_down(adapter, netdev); 2277 2278 qlcnic_sriov_cleanup(adapter); 2279 if (qlcnic_82xx_check(adapter)) 2280 qlcnic_clr_all_drv_state(adapter, 0); 2281 2282 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2283 2284 retval = pci_save_state(pdev); 2285 if (retval) 2286 return retval; 2287 if (qlcnic_82xx_check(adapter)) { 2288 if (qlcnic_wol_supported(adapter)) { 2289 pci_enable_wake(pdev, PCI_D3cold, 1); 2290 pci_enable_wake(pdev, PCI_D3hot, 1); 2291 } 2292 } 2293 2294 return 0; 2295 } 2296 2297 static void qlcnic_shutdown(struct pci_dev *pdev) 2298 { 2299 if (__qlcnic_shutdown(pdev)) 2300 return; 2301 2302 pci_disable_device(pdev); 2303 } 2304 2305 #ifdef CONFIG_PM 2306 static int 2307 qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2308 { 2309 int retval; 2310 2311 retval = __qlcnic_shutdown(pdev); 2312 if (retval) 2313 return retval; 2314 2315 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2316 return 0; 2317 } 2318 2319 static int 2320 qlcnic_resume(struct pci_dev *pdev) 2321 { 2322 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2323 struct net_device *netdev = adapter->netdev; 2324 int err; 2325 2326 err = pci_enable_device(pdev); 2327 if (err) 2328 return err; 2329 2330 pci_set_power_state(pdev, PCI_D0); 2331 pci_set_master(pdev); 2332 pci_restore_state(pdev); 2333 2334 err = qlcnic_start_firmware(adapter); 2335 if (err) { 2336 dev_err(&pdev->dev, "failed to start firmware\n"); 2337 return err; 2338 } 2339 2340 if (netif_running(netdev)) { 2341 err = qlcnic_up(adapter, netdev); 2342 if (err) 2343 goto done; 2344 2345 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2346 } 2347 done: 2348 netif_device_attach(netdev); 2349 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 2350 return 0; 2351 } 2352 #endif 2353 2354 static int qlcnic_open(struct net_device *netdev) 2355 { 2356 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2357 int err; 2358 2359 netif_carrier_off(netdev); 2360 2361 err = qlcnic_attach(adapter); 2362 if (err) 2363 return err; 2364 2365 err = __qlcnic_up(adapter, netdev); 2366 if (err) 2367 goto err_out; 2368 2369 netif_start_queue(netdev); 2370 2371 return 0; 2372 2373 err_out: 2374 qlcnic_detach(adapter); 2375 return err; 2376 } 2377 2378 /* 2379 * qlcnic_close - Disables a network interface entry point 2380 */ 2381 static int qlcnic_close(struct net_device *netdev) 2382 { 2383 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2384 2385 __qlcnic_down(adapter, netdev); 2386 2387 return 0; 2388 } 2389 2390 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2391 { 2392 void *head; 2393 int i; 2394 struct net_device *netdev = adapter->netdev; 2395 u32 filter_size = 0; 2396 u16 act_pci_func = 0; 2397 2398 if (adapter->fhash.fmax && adapter->fhash.fhead) 2399 return; 2400 2401 act_pci_func = adapter->ahw->act_pci_func; 2402 spin_lock_init(&adapter->mac_learn_lock); 2403 spin_lock_init(&adapter->rx_mac_learn_lock); 2404 2405 if (qlcnic_82xx_check(adapter)) { 2406 filter_size = QLCNIC_LB_MAX_FILTERS; 2407 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2408 } else { 2409 filter_size = QLC_83XX_LB_MAX_FILTERS; 2410 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2411 } 2412 2413 head = kcalloc(adapter->fhash.fbucket_size, 2414 sizeof(struct hlist_head), GFP_ATOMIC); 2415 2416 if (!head) 2417 return; 2418 2419 adapter->fhash.fmax = (filter_size / act_pci_func); 2420 adapter->fhash.fhead = head; 2421 2422 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2423 act_pci_func, adapter->fhash.fmax); 2424 2425 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2426 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2427 2428 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2429 2430 head = kcalloc(adapter->rx_fhash.fbucket_size, 2431 sizeof(struct hlist_head), GFP_ATOMIC); 2432 2433 if (!head) 2434 return; 2435 2436 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2437 adapter->rx_fhash.fhead = head; 2438 2439 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2440 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2441 } 2442 2443 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2444 { 2445 if (adapter->fhash.fmax && adapter->fhash.fhead) 2446 kfree(adapter->fhash.fhead); 2447 2448 adapter->fhash.fhead = NULL; 2449 adapter->fhash.fmax = 0; 2450 2451 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 2452 kfree(adapter->rx_fhash.fhead); 2453 2454 adapter->rx_fhash.fmax = 0; 2455 adapter->rx_fhash.fhead = NULL; 2456 } 2457 2458 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2459 { 2460 struct net_device *netdev = adapter->netdev; 2461 u32 temp_state, temp_val, temp = 0; 2462 int rv = 0; 2463 2464 if (qlcnic_83xx_check(adapter)) 2465 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2466 2467 if (qlcnic_82xx_check(adapter)) 2468 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2469 2470 temp_state = qlcnic_get_temp_state(temp); 2471 temp_val = qlcnic_get_temp_val(temp); 2472 2473 if (temp_state == QLCNIC_TEMP_PANIC) { 2474 dev_err(&netdev->dev, 2475 "Device temperature %d degrees C exceeds" 2476 " maximum allowed. Hardware has been shut down.\n", 2477 temp_val); 2478 rv = 1; 2479 } else if (temp_state == QLCNIC_TEMP_WARN) { 2480 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2481 dev_err(&netdev->dev, 2482 "Device temperature %d degrees C " 2483 "exceeds operating range." 2484 " Immediate action needed.\n", 2485 temp_val); 2486 } 2487 } else { 2488 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2489 dev_info(&netdev->dev, 2490 "Device temperature is now %d degrees C" 2491 " in normal range.\n", temp_val); 2492 } 2493 } 2494 adapter->ahw->temp = temp_state; 2495 return rv; 2496 } 2497 2498 static void qlcnic_tx_timeout(struct net_device *netdev) 2499 { 2500 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2501 2502 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 2503 return; 2504 2505 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) { 2506 netdev_info(netdev, "Tx timeout, reset the adapter.\n"); 2507 if (qlcnic_82xx_check(adapter)) 2508 adapter->need_fw_reset = 1; 2509 else if (qlcnic_83xx_check(adapter)) 2510 qlcnic_83xx_idc_request_reset(adapter, 2511 QLCNIC_FORCE_FW_DUMP_KEY); 2512 } else { 2513 netdev_info(netdev, "Tx timeout, reset adapter context.\n"); 2514 adapter->ahw->reset_context = 1; 2515 } 2516 } 2517 2518 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 2519 { 2520 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2521 struct net_device_stats *stats = &netdev->stats; 2522 2523 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 2524 stats->tx_packets = adapter->stats.xmitfinished; 2525 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 2526 stats->tx_bytes = adapter->stats.txbytes; 2527 stats->rx_dropped = adapter->stats.rxdropped; 2528 stats->tx_dropped = adapter->stats.txdropped; 2529 2530 return stats; 2531 } 2532 2533 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 2534 { 2535 u32 status; 2536 2537 status = readl(adapter->isr_int_vec); 2538 2539 if (!(status & adapter->ahw->int_vec_bit)) 2540 return IRQ_NONE; 2541 2542 /* check interrupt state machine, to be sure */ 2543 status = readl(adapter->crb_int_state_reg); 2544 if (!ISR_LEGACY_INT_TRIGGERED(status)) 2545 return IRQ_NONE; 2546 2547 writel(0xffffffff, adapter->tgt_status_reg); 2548 /* read twice to ensure write is flushed */ 2549 readl(adapter->isr_int_vec); 2550 readl(adapter->isr_int_vec); 2551 2552 return IRQ_HANDLED; 2553 } 2554 2555 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 2556 { 2557 struct qlcnic_host_sds_ring *sds_ring = data; 2558 struct qlcnic_adapter *adapter = sds_ring->adapter; 2559 2560 if (adapter->flags & QLCNIC_MSIX_ENABLED) 2561 goto done; 2562 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 2563 writel(0xffffffff, adapter->tgt_status_reg); 2564 goto done; 2565 } 2566 2567 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2568 return IRQ_NONE; 2569 2570 done: 2571 adapter->ahw->diag_cnt++; 2572 qlcnic_enable_int(sds_ring); 2573 return IRQ_HANDLED; 2574 } 2575 2576 static irqreturn_t qlcnic_intr(int irq, void *data) 2577 { 2578 struct qlcnic_host_sds_ring *sds_ring = data; 2579 struct qlcnic_adapter *adapter = sds_ring->adapter; 2580 2581 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2582 return IRQ_NONE; 2583 2584 napi_schedule(&sds_ring->napi); 2585 2586 return IRQ_HANDLED; 2587 } 2588 2589 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 2590 { 2591 struct qlcnic_host_sds_ring *sds_ring = data; 2592 struct qlcnic_adapter *adapter = sds_ring->adapter; 2593 2594 /* clear interrupt */ 2595 writel(0xffffffff, adapter->tgt_status_reg); 2596 2597 napi_schedule(&sds_ring->napi); 2598 return IRQ_HANDLED; 2599 } 2600 2601 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 2602 { 2603 struct qlcnic_host_sds_ring *sds_ring = data; 2604 2605 napi_schedule(&sds_ring->napi); 2606 return IRQ_HANDLED; 2607 } 2608 2609 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 2610 { 2611 struct qlcnic_host_tx_ring *tx_ring = data; 2612 2613 napi_schedule(&tx_ring->napi); 2614 return IRQ_HANDLED; 2615 } 2616 2617 #ifdef CONFIG_NET_POLL_CONTROLLER 2618 static void qlcnic_poll_controller(struct net_device *netdev) 2619 { 2620 int ring; 2621 struct qlcnic_host_sds_ring *sds_ring; 2622 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2623 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2624 2625 disable_irq(adapter->irq); 2626 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 2627 sds_ring = &recv_ctx->sds_rings[ring]; 2628 qlcnic_intr(adapter->irq, sds_ring); 2629 } 2630 enable_irq(adapter->irq); 2631 } 2632 #endif 2633 2634 static void 2635 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 2636 { 2637 u32 val; 2638 2639 val = adapter->portnum & 0xf; 2640 val |= encoding << 7; 2641 val |= (jiffies - adapter->dev_rst_time) << 8; 2642 2643 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 2644 adapter->dev_rst_time = jiffies; 2645 } 2646 2647 static int 2648 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 2649 { 2650 u32 val; 2651 2652 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 2653 state != QLCNIC_DEV_NEED_QUISCENT); 2654 2655 if (qlcnic_api_lock(adapter)) 2656 return -EIO; 2657 2658 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2659 2660 if (state == QLCNIC_DEV_NEED_RESET) 2661 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2662 else if (state == QLCNIC_DEV_NEED_QUISCENT) 2663 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 2664 2665 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2666 2667 qlcnic_api_unlock(adapter); 2668 2669 return 0; 2670 } 2671 2672 static int 2673 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 2674 { 2675 u32 val; 2676 2677 if (qlcnic_api_lock(adapter)) 2678 return -EBUSY; 2679 2680 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2681 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2682 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2683 2684 qlcnic_api_unlock(adapter); 2685 2686 return 0; 2687 } 2688 2689 static void 2690 qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 2691 { 2692 u32 val; 2693 2694 if (qlcnic_api_lock(adapter)) 2695 goto err; 2696 2697 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2698 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 2699 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2700 2701 if (failed) { 2702 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2703 QLCNIC_DEV_FAILED); 2704 dev_info(&adapter->pdev->dev, 2705 "Device state set to Failed. Please Reboot\n"); 2706 } else if (!(val & 0x11111111)) 2707 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2708 QLCNIC_DEV_COLD); 2709 2710 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2711 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2712 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2713 2714 qlcnic_api_unlock(adapter); 2715 err: 2716 adapter->fw_fail_cnt = 0; 2717 adapter->flags &= ~QLCNIC_FW_HANG; 2718 clear_bit(__QLCNIC_START_FW, &adapter->state); 2719 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2720 } 2721 2722 /* Grab api lock, before checking state */ 2723 static int 2724 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 2725 { 2726 int act, state, active_mask; 2727 struct qlcnic_hardware_context *ahw = adapter->ahw; 2728 2729 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2730 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2731 2732 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 2733 active_mask = (~(1 << (ahw->pci_func * 4))); 2734 act = act & active_mask; 2735 } 2736 2737 if (((state & 0x11111111) == (act & 0x11111111)) || 2738 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 2739 return 0; 2740 else 2741 return 1; 2742 } 2743 2744 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 2745 { 2746 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 2747 2748 if (val != QLCNIC_DRV_IDC_VER) { 2749 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 2750 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 2751 } 2752 2753 return 0; 2754 } 2755 2756 static int 2757 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 2758 { 2759 u32 val, prev_state; 2760 u8 dev_init_timeo = adapter->dev_init_timeo; 2761 u8 portnum = adapter->portnum; 2762 u8 ret; 2763 2764 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 2765 return 1; 2766 2767 if (qlcnic_api_lock(adapter)) 2768 return -1; 2769 2770 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2771 if (!(val & (1 << (portnum * 4)))) { 2772 QLC_DEV_SET_REF_CNT(val, portnum); 2773 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2774 } 2775 2776 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2777 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 2778 2779 switch (prev_state) { 2780 case QLCNIC_DEV_COLD: 2781 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2782 QLCNIC_DEV_INITIALIZING); 2783 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 2784 QLCNIC_DRV_IDC_VER); 2785 qlcnic_idc_debug_info(adapter, 0); 2786 qlcnic_api_unlock(adapter); 2787 return 1; 2788 2789 case QLCNIC_DEV_READY: 2790 ret = qlcnic_check_idc_ver(adapter); 2791 qlcnic_api_unlock(adapter); 2792 return ret; 2793 2794 case QLCNIC_DEV_NEED_RESET: 2795 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2796 QLC_DEV_SET_RST_RDY(val, portnum); 2797 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2798 break; 2799 2800 case QLCNIC_DEV_NEED_QUISCENT: 2801 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2802 QLC_DEV_SET_QSCNT_RDY(val, portnum); 2803 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2804 break; 2805 2806 case QLCNIC_DEV_FAILED: 2807 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 2808 qlcnic_api_unlock(adapter); 2809 return -1; 2810 2811 case QLCNIC_DEV_INITIALIZING: 2812 case QLCNIC_DEV_QUISCENT: 2813 break; 2814 } 2815 2816 qlcnic_api_unlock(adapter); 2817 2818 do { 2819 msleep(1000); 2820 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2821 2822 if (prev_state == QLCNIC_DEV_QUISCENT) 2823 continue; 2824 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 2825 2826 if (!dev_init_timeo) { 2827 dev_err(&adapter->pdev->dev, 2828 "Waiting for device to initialize timeout\n"); 2829 return -1; 2830 } 2831 2832 if (qlcnic_api_lock(adapter)) 2833 return -1; 2834 2835 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2836 QLC_DEV_CLR_RST_QSCNT(val, portnum); 2837 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2838 2839 ret = qlcnic_check_idc_ver(adapter); 2840 qlcnic_api_unlock(adapter); 2841 2842 return ret; 2843 } 2844 2845 static void 2846 qlcnic_fwinit_work(struct work_struct *work) 2847 { 2848 struct qlcnic_adapter *adapter = container_of(work, 2849 struct qlcnic_adapter, fw_work.work); 2850 u32 dev_state = 0xf; 2851 u32 val; 2852 2853 if (qlcnic_api_lock(adapter)) 2854 goto err_ret; 2855 2856 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2857 if (dev_state == QLCNIC_DEV_QUISCENT || 2858 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 2859 qlcnic_api_unlock(adapter); 2860 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 2861 FW_POLL_DELAY * 2); 2862 return; 2863 } 2864 2865 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 2866 qlcnic_api_unlock(adapter); 2867 goto wait_npar; 2868 } 2869 2870 if (dev_state == QLCNIC_DEV_INITIALIZING || 2871 dev_state == QLCNIC_DEV_READY) { 2872 dev_info(&adapter->pdev->dev, "Detected state change from " 2873 "DEV_NEED_RESET, skipping ack check\n"); 2874 goto skip_ack_check; 2875 } 2876 2877 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 2878 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 2879 adapter->reset_ack_timeo); 2880 goto skip_ack_check; 2881 } 2882 2883 if (!qlcnic_check_drv_state(adapter)) { 2884 skip_ack_check: 2885 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2886 2887 if (dev_state == QLCNIC_DEV_NEED_RESET) { 2888 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2889 QLCNIC_DEV_INITIALIZING); 2890 set_bit(__QLCNIC_START_FW, &adapter->state); 2891 QLCDB(adapter, DRV, "Restarting fw\n"); 2892 qlcnic_idc_debug_info(adapter, 0); 2893 val = QLC_SHARED_REG_RD32(adapter, 2894 QLCNIC_CRB_DRV_STATE); 2895 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2896 QLC_SHARED_REG_WR32(adapter, 2897 QLCNIC_CRB_DRV_STATE, val); 2898 } 2899 2900 qlcnic_api_unlock(adapter); 2901 2902 rtnl_lock(); 2903 if (adapter->ahw->fw_dump.enable && 2904 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 2905 QLCDB(adapter, DRV, "Take FW dump\n"); 2906 qlcnic_dump_fw(adapter); 2907 adapter->flags |= QLCNIC_FW_HANG; 2908 } 2909 rtnl_unlock(); 2910 2911 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 2912 if (!adapter->nic_ops->start_firmware(adapter)) { 2913 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 2914 adapter->fw_wait_cnt = 0; 2915 return; 2916 } 2917 goto err_ret; 2918 } 2919 2920 qlcnic_api_unlock(adapter); 2921 2922 wait_npar: 2923 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2924 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 2925 2926 switch (dev_state) { 2927 case QLCNIC_DEV_READY: 2928 if (!qlcnic_start_firmware(adapter)) { 2929 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 2930 adapter->fw_wait_cnt = 0; 2931 return; 2932 } 2933 case QLCNIC_DEV_FAILED: 2934 break; 2935 default: 2936 qlcnic_schedule_work(adapter, 2937 qlcnic_fwinit_work, FW_POLL_DELAY); 2938 return; 2939 } 2940 2941 err_ret: 2942 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 2943 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 2944 netif_device_attach(adapter->netdev); 2945 qlcnic_clr_all_drv_state(adapter, 0); 2946 } 2947 2948 static void 2949 qlcnic_detach_work(struct work_struct *work) 2950 { 2951 struct qlcnic_adapter *adapter = container_of(work, 2952 struct qlcnic_adapter, fw_work.work); 2953 struct net_device *netdev = adapter->netdev; 2954 u32 status; 2955 2956 netif_device_detach(netdev); 2957 2958 /* Dont grab rtnl lock during Quiscent mode */ 2959 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 2960 if (netif_running(netdev)) 2961 __qlcnic_down(adapter, netdev); 2962 } else 2963 qlcnic_down(adapter, netdev); 2964 2965 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 2966 2967 if (status & QLCNIC_RCODE_FATAL_ERROR) { 2968 dev_err(&adapter->pdev->dev, 2969 "Detaching the device: peg halt status1=0x%x\n", 2970 status); 2971 2972 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 2973 dev_err(&adapter->pdev->dev, 2974 "On board active cooling fan failed. " 2975 "Device has been halted.\n"); 2976 dev_err(&adapter->pdev->dev, 2977 "Replace the adapter.\n"); 2978 } 2979 2980 goto err_ret; 2981 } 2982 2983 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 2984 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 2985 adapter->ahw->temp); 2986 goto err_ret; 2987 } 2988 2989 /* Dont ack if this instance is the reset owner */ 2990 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 2991 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 2992 dev_err(&adapter->pdev->dev, 2993 "Failed to set driver state," 2994 "detaching the device.\n"); 2995 goto err_ret; 2996 } 2997 } 2998 2999 adapter->fw_wait_cnt = 0; 3000 3001 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3002 3003 return; 3004 3005 err_ret: 3006 netif_device_attach(netdev); 3007 qlcnic_clr_all_drv_state(adapter, 1); 3008 } 3009 3010 /*Transit NPAR state to NON Operational */ 3011 static void 3012 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3013 { 3014 u32 state; 3015 3016 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3017 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3018 return; 3019 3020 if (qlcnic_api_lock(adapter)) 3021 return; 3022 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3023 QLCNIC_DEV_NPAR_NON_OPER); 3024 qlcnic_api_unlock(adapter); 3025 } 3026 3027 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key) 3028 { 3029 u32 state, xg_val = 0, gb_val = 0; 3030 3031 qlcnic_xg_set_xg0_mask(xg_val); 3032 qlcnic_xg_set_xg1_mask(xg_val); 3033 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3034 qlcnic_gb_set_gb0_mask(gb_val); 3035 qlcnic_gb_set_gb1_mask(gb_val); 3036 qlcnic_gb_set_gb2_mask(gb_val); 3037 qlcnic_gb_set_gb3_mask(gb_val); 3038 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3039 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3040 " on all ports\n"); 3041 adapter->need_fw_reset = 1; 3042 3043 if (qlcnic_api_lock(adapter)) 3044 return; 3045 3046 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3047 3048 if (state == QLCNIC_DEV_READY) { 3049 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3050 QLCNIC_DEV_NEED_RESET); 3051 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3052 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3053 qlcnic_idc_debug_info(adapter, 0); 3054 } 3055 3056 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3057 QLCNIC_DEV_NPAR_NON_OPER); 3058 qlcnic_api_unlock(adapter); 3059 } 3060 3061 /* Transit to NPAR READY state from NPAR NOT READY state */ 3062 static void 3063 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3064 { 3065 if (qlcnic_api_lock(adapter)) 3066 return; 3067 3068 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3069 QLCNIC_DEV_NPAR_OPER); 3070 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3071 3072 qlcnic_api_unlock(adapter); 3073 } 3074 3075 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3076 work_func_t func, int delay) 3077 { 3078 if (test_bit(__QLCNIC_AER, &adapter->state)) 3079 return; 3080 3081 INIT_DELAYED_WORK(&adapter->fw_work, func); 3082 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3083 round_jiffies_relative(delay)); 3084 } 3085 3086 static void 3087 qlcnic_attach_work(struct work_struct *work) 3088 { 3089 struct qlcnic_adapter *adapter = container_of(work, 3090 struct qlcnic_adapter, fw_work.work); 3091 struct net_device *netdev = adapter->netdev; 3092 u32 npar_state; 3093 3094 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3095 npar_state = QLC_SHARED_REG_RD32(adapter, 3096 QLCNIC_CRB_DEV_NPAR_STATE); 3097 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3098 qlcnic_clr_all_drv_state(adapter, 0); 3099 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3100 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3101 FW_POLL_DELAY); 3102 else 3103 goto attach; 3104 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3105 return; 3106 } 3107 attach: 3108 if (netif_running(netdev)) { 3109 if (qlcnic_up(adapter, netdev)) 3110 goto done; 3111 3112 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3113 } 3114 3115 done: 3116 netif_device_attach(netdev); 3117 adapter->fw_fail_cnt = 0; 3118 adapter->flags &= ~QLCNIC_FW_HANG; 3119 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3120 3121 if (!qlcnic_clr_drv_state(adapter)) 3122 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3123 FW_POLL_DELAY); 3124 } 3125 3126 static int 3127 qlcnic_check_health(struct qlcnic_adapter *adapter) 3128 { 3129 u32 state = 0, heartbeat; 3130 u32 peg_status; 3131 3132 if (qlcnic_check_temp(adapter)) 3133 goto detach; 3134 3135 if (adapter->need_fw_reset) 3136 qlcnic_dev_request_reset(adapter, 0); 3137 3138 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3139 if (state == QLCNIC_DEV_NEED_RESET) { 3140 qlcnic_set_npar_non_operational(adapter); 3141 adapter->need_fw_reset = 1; 3142 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3143 goto detach; 3144 3145 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3146 if (heartbeat != adapter->heartbeat) { 3147 adapter->heartbeat = heartbeat; 3148 adapter->fw_fail_cnt = 0; 3149 if (adapter->need_fw_reset) 3150 goto detach; 3151 3152 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) { 3153 qlcnic_reset_hw_context(adapter); 3154 adapter->netdev->trans_start = jiffies; 3155 } 3156 3157 return 0; 3158 } 3159 3160 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3161 return 0; 3162 3163 adapter->flags |= QLCNIC_FW_HANG; 3164 3165 qlcnic_dev_request_reset(adapter, 0); 3166 3167 if (qlcnic_auto_fw_reset) 3168 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3169 3170 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3171 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3172 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3173 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3174 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3175 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3176 "PEG_NET_4_PC: 0x%x\n", 3177 peg_status, 3178 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3179 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c), 3180 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c), 3181 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c), 3182 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c), 3183 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c)); 3184 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3185 dev_err(&adapter->pdev->dev, 3186 "Firmware aborted with error code 0x00006700. " 3187 "Device is being reset.\n"); 3188 detach: 3189 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3190 QLCNIC_DEV_NEED_RESET; 3191 3192 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3193 &adapter->state)) { 3194 3195 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3196 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3197 } 3198 3199 return 1; 3200 } 3201 3202 static void 3203 qlcnic_fw_poll_work(struct work_struct *work) 3204 { 3205 struct qlcnic_adapter *adapter = container_of(work, 3206 struct qlcnic_adapter, fw_work.work); 3207 3208 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3209 goto reschedule; 3210 3211 3212 if (qlcnic_check_health(adapter)) 3213 return; 3214 3215 if (adapter->fhash.fnum) 3216 qlcnic_prune_lb_filters(adapter); 3217 3218 reschedule: 3219 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3220 } 3221 3222 static int qlcnic_is_first_func(struct pci_dev *pdev) 3223 { 3224 struct pci_dev *oth_pdev; 3225 int val = pdev->devfn; 3226 3227 while (val-- > 0) { 3228 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3229 (pdev->bus), pdev->bus->number, 3230 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3231 if (!oth_pdev) 3232 continue; 3233 3234 if (oth_pdev->current_state != PCI_D3cold) { 3235 pci_dev_put(oth_pdev); 3236 return 0; 3237 } 3238 pci_dev_put(oth_pdev); 3239 } 3240 return 1; 3241 } 3242 3243 static int qlcnic_attach_func(struct pci_dev *pdev) 3244 { 3245 int err, first_func; 3246 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3247 struct net_device *netdev = adapter->netdev; 3248 3249 pdev->error_state = pci_channel_io_normal; 3250 3251 err = pci_enable_device(pdev); 3252 if (err) 3253 return err; 3254 3255 pci_set_power_state(pdev, PCI_D0); 3256 pci_set_master(pdev); 3257 pci_restore_state(pdev); 3258 3259 first_func = qlcnic_is_first_func(pdev); 3260 3261 if (qlcnic_api_lock(adapter)) 3262 return -EINVAL; 3263 3264 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3265 adapter->need_fw_reset = 1; 3266 set_bit(__QLCNIC_START_FW, &adapter->state); 3267 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3268 QLCNIC_DEV_INITIALIZING); 3269 QLCDB(adapter, DRV, "Restarting fw\n"); 3270 } 3271 qlcnic_api_unlock(adapter); 3272 3273 err = qlcnic_start_firmware(adapter); 3274 if (err) 3275 return err; 3276 3277 qlcnic_clr_drv_state(adapter); 3278 kfree(adapter->msix_entries); 3279 adapter->msix_entries = NULL; 3280 err = qlcnic_setup_intr(adapter, 0); 3281 3282 if (err) { 3283 kfree(adapter->msix_entries); 3284 netdev_err(netdev, "failed to setup interrupt\n"); 3285 return err; 3286 } 3287 3288 if (qlcnic_83xx_check(adapter)) { 3289 /* register for NIC IDC AEN Events */ 3290 qlcnic_83xx_register_nic_idc_func(adapter, 1); 3291 err = qlcnic_83xx_setup_mbx_intr(adapter); 3292 if (err) { 3293 dev_err(&adapter->pdev->dev, 3294 "failed to setup mbx interrupt\n"); 3295 qlcnic_clr_all_drv_state(adapter, 1); 3296 clear_bit(__QLCNIC_AER, &adapter->state); 3297 goto done; 3298 } 3299 } 3300 3301 if (netif_running(netdev)) { 3302 err = qlcnic_attach(adapter); 3303 if (err) { 3304 qlcnic_clr_all_drv_state(adapter, 1); 3305 clear_bit(__QLCNIC_AER, &adapter->state); 3306 netif_device_attach(netdev); 3307 return err; 3308 } 3309 3310 err = qlcnic_up(adapter, netdev); 3311 if (err) 3312 goto done; 3313 3314 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3315 } 3316 done: 3317 netif_device_attach(netdev); 3318 return err; 3319 } 3320 3321 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3322 pci_channel_state_t state) 3323 { 3324 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3325 struct net_device *netdev = adapter->netdev; 3326 3327 if (state == pci_channel_io_perm_failure) 3328 return PCI_ERS_RESULT_DISCONNECT; 3329 3330 if (state == pci_channel_io_normal) 3331 return PCI_ERS_RESULT_RECOVERED; 3332 3333 set_bit(__QLCNIC_AER, &adapter->state); 3334 netif_device_detach(netdev); 3335 3336 cancel_delayed_work_sync(&adapter->fw_work); 3337 3338 if (netif_running(netdev)) 3339 qlcnic_down(adapter, netdev); 3340 3341 if (qlcnic_83xx_check(adapter)) { 3342 qlcnic_83xx_free_mbx_intr(adapter); 3343 qlcnic_83xx_register_nic_idc_func(adapter, 0); 3344 cancel_delayed_work_sync(&adapter->idc_aen_work); 3345 } 3346 3347 qlcnic_detach(adapter); 3348 qlcnic_teardown_intr(adapter); 3349 3350 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3351 3352 pci_save_state(pdev); 3353 pci_disable_device(pdev); 3354 3355 return PCI_ERS_RESULT_NEED_RESET; 3356 } 3357 3358 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3359 { 3360 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3361 PCI_ERS_RESULT_RECOVERED; 3362 } 3363 3364 static void qlcnic_io_resume(struct pci_dev *pdev) 3365 { 3366 u32 state; 3367 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3368 3369 pci_cleanup_aer_uncorrect_error_status(pdev); 3370 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3371 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3372 &adapter->state)) 3373 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3374 FW_POLL_DELAY); 3375 } 3376 3377 static int 3378 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3379 { 3380 int err; 3381 3382 err = qlcnic_can_start_firmware(adapter); 3383 if (err) 3384 return err; 3385 3386 err = qlcnic_check_npar_opertional(adapter); 3387 if (err) 3388 return err; 3389 3390 err = qlcnic_initialize_nic(adapter); 3391 if (err) 3392 return err; 3393 3394 qlcnic_check_options(adapter); 3395 3396 err = qlcnic_set_eswitch_port_config(adapter); 3397 if (err) 3398 return err; 3399 3400 adapter->need_fw_reset = 0; 3401 3402 return err; 3403 } 3404 3405 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter, 3406 __u32 val) 3407 { 3408 struct net_device *netdev = adapter->netdev; 3409 u8 max_hw = adapter->ahw->max_rx_ques; 3410 u32 max_allowed; 3411 3412 if (val > QLC_MAX_SDS_RINGS) { 3413 netdev_err(netdev, "RSS value should not be higher than %u\n", 3414 QLC_MAX_SDS_RINGS); 3415 return -EINVAL; 3416 } 3417 3418 max_allowed = rounddown_pow_of_two(min_t(int, max_hw, 3419 num_online_cpus())); 3420 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) { 3421 if (!is_power_of_2(val)) 3422 netdev_err(netdev, "RSS value should be a power of 2\n"); 3423 3424 if (val < 2) 3425 netdev_err(netdev, "RSS value should not be lower than 2\n"); 3426 3427 if (val > max_hw) 3428 netdev_err(netdev, 3429 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n", 3430 max_hw); 3431 3432 if (val > num_online_cpus()) 3433 netdev_err(netdev, 3434 "RSS value should not be higher than[%u], number of online CPUs in the system\n", 3435 num_online_cpus()); 3436 3437 netdev_err(netdev, "Unable to configure %u RSS rings\n", val); 3438 3439 return -EINVAL; 3440 } 3441 return 0; 3442 } 3443 3444 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len) 3445 { 3446 int err; 3447 struct net_device *netdev = adapter->netdev; 3448 3449 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3450 return -EBUSY; 3451 3452 netif_device_detach(netdev); 3453 if (netif_running(netdev)) 3454 __qlcnic_down(adapter, netdev); 3455 3456 qlcnic_detach(adapter); 3457 3458 if (qlcnic_83xx_check(adapter)) { 3459 qlcnic_83xx_free_mbx_intr(adapter); 3460 qlcnic_83xx_enable_mbx_poll(adapter); 3461 } 3462 3463 qlcnic_teardown_intr(adapter); 3464 err = qlcnic_setup_intr(adapter, data); 3465 if (err) { 3466 kfree(adapter->msix_entries); 3467 netdev_err(netdev, "failed to setup interrupt\n"); 3468 return err; 3469 } 3470 3471 if (qlcnic_83xx_check(adapter)) { 3472 /* register for NIC IDC AEN Events */ 3473 qlcnic_83xx_register_nic_idc_func(adapter, 1); 3474 err = qlcnic_83xx_setup_mbx_intr(adapter); 3475 qlcnic_83xx_disable_mbx_poll(adapter); 3476 if (err) { 3477 dev_err(&adapter->pdev->dev, 3478 "failed to setup mbx interrupt\n"); 3479 goto done; 3480 } 3481 } 3482 3483 if (netif_running(netdev)) { 3484 err = qlcnic_attach(adapter); 3485 if (err) 3486 goto done; 3487 err = __qlcnic_up(adapter, netdev); 3488 if (err) 3489 goto done; 3490 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3491 } 3492 err = len; 3493 done: 3494 netif_device_attach(netdev); 3495 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3496 return err; 3497 } 3498 3499 #ifdef CONFIG_INET 3500 3501 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 3502 3503 static void 3504 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 3505 struct net_device *dev, unsigned long event) 3506 { 3507 struct in_device *indev; 3508 3509 indev = in_dev_get(dev); 3510 if (!indev) 3511 return; 3512 3513 for_ifa(indev) { 3514 switch (event) { 3515 case NETDEV_UP: 3516 qlcnic_config_ipaddr(adapter, 3517 ifa->ifa_address, QLCNIC_IP_UP); 3518 break; 3519 case NETDEV_DOWN: 3520 qlcnic_config_ipaddr(adapter, 3521 ifa->ifa_address, QLCNIC_IP_DOWN); 3522 break; 3523 default: 3524 break; 3525 } 3526 } endfor_ifa(indev); 3527 3528 in_dev_put(indev); 3529 } 3530 3531 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 3532 { 3533 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3534 struct net_device *dev; 3535 u16 vid; 3536 3537 qlcnic_config_indev_addr(adapter, netdev, event); 3538 3539 rcu_read_lock(); 3540 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 3541 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid); 3542 if (!dev) 3543 continue; 3544 qlcnic_config_indev_addr(adapter, dev, event); 3545 } 3546 rcu_read_unlock(); 3547 } 3548 3549 static int qlcnic_netdev_event(struct notifier_block *this, 3550 unsigned long event, void *ptr) 3551 { 3552 struct qlcnic_adapter *adapter; 3553 struct net_device *dev = (struct net_device *)ptr; 3554 3555 recheck: 3556 if (dev == NULL) 3557 goto done; 3558 3559 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3560 dev = vlan_dev_real_dev(dev); 3561 goto recheck; 3562 } 3563 3564 if (!is_qlcnic_netdev(dev)) 3565 goto done; 3566 3567 adapter = netdev_priv(dev); 3568 3569 if (!adapter) 3570 goto done; 3571 3572 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3573 goto done; 3574 3575 qlcnic_config_indev_addr(adapter, dev, event); 3576 done: 3577 return NOTIFY_DONE; 3578 } 3579 3580 static int 3581 qlcnic_inetaddr_event(struct notifier_block *this, 3582 unsigned long event, void *ptr) 3583 { 3584 struct qlcnic_adapter *adapter; 3585 struct net_device *dev; 3586 3587 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 3588 3589 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 3590 3591 recheck: 3592 if (dev == NULL) 3593 goto done; 3594 3595 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3596 dev = vlan_dev_real_dev(dev); 3597 goto recheck; 3598 } 3599 3600 if (!is_qlcnic_netdev(dev)) 3601 goto done; 3602 3603 adapter = netdev_priv(dev); 3604 3605 if (!adapter) 3606 goto done; 3607 3608 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3609 goto done; 3610 3611 switch (event) { 3612 case NETDEV_UP: 3613 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 3614 3615 break; 3616 case NETDEV_DOWN: 3617 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 3618 3619 break; 3620 default: 3621 break; 3622 } 3623 3624 done: 3625 return NOTIFY_DONE; 3626 } 3627 3628 static struct notifier_block qlcnic_netdev_cb = { 3629 .notifier_call = qlcnic_netdev_event, 3630 }; 3631 3632 static struct notifier_block qlcnic_inetaddr_cb = { 3633 .notifier_call = qlcnic_inetaddr_event, 3634 }; 3635 #else 3636 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 3637 { } 3638 #endif 3639 static const struct pci_error_handlers qlcnic_err_handler = { 3640 .error_detected = qlcnic_io_error_detected, 3641 .slot_reset = qlcnic_io_slot_reset, 3642 .resume = qlcnic_io_resume, 3643 }; 3644 3645 static struct pci_driver qlcnic_driver = { 3646 .name = qlcnic_driver_name, 3647 .id_table = qlcnic_pci_tbl, 3648 .probe = qlcnic_probe, 3649 .remove = qlcnic_remove, 3650 #ifdef CONFIG_PM 3651 .suspend = qlcnic_suspend, 3652 .resume = qlcnic_resume, 3653 #endif 3654 .shutdown = qlcnic_shutdown, 3655 .err_handler = &qlcnic_err_handler, 3656 #ifdef CONFIG_QLCNIC_SRIOV 3657 .sriov_configure = qlcnic_pci_sriov_configure, 3658 #endif 3659 3660 }; 3661 3662 static int __init qlcnic_init_module(void) 3663 { 3664 int ret; 3665 3666 printk(KERN_INFO "%s\n", qlcnic_driver_string); 3667 3668 #ifdef CONFIG_INET 3669 register_netdevice_notifier(&qlcnic_netdev_cb); 3670 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 3671 #endif 3672 3673 ret = pci_register_driver(&qlcnic_driver); 3674 if (ret) { 3675 #ifdef CONFIG_INET 3676 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3677 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3678 #endif 3679 } 3680 3681 return ret; 3682 } 3683 3684 module_init(qlcnic_init_module); 3685 3686 static void __exit qlcnic_exit_module(void) 3687 { 3688 pci_unregister_driver(&qlcnic_driver); 3689 3690 #ifdef CONFIG_INET 3691 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3692 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3693 #endif 3694 } 3695 3696 module_exit(qlcnic_exit_module); 3697