1 /* 2 * QLogic qlcnic NIC Driver 3 * Copyright (c) 2009-2013 QLogic Corporation 4 * 5 * See LICENSE.qlcnic for copyright and licensing details. 6 */ 7 8 #include <linux/vmalloc.h> 9 #include <linux/interrupt.h> 10 11 #include "qlcnic.h" 12 #include "qlcnic_sriov.h" 13 #include "qlcnic_hw.h" 14 15 #include <linux/swab.h> 16 #include <linux/dma-mapping.h> 17 #include <linux/if_vlan.h> 18 #include <net/ip.h> 19 #include <linux/ipv6.h> 20 #include <linux/inetdevice.h> 21 #include <linux/aer.h> 22 #include <linux/log2.h> 23 #include <linux/pci.h> 24 25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 26 MODULE_LICENSE("GPL"); 27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 29 30 char qlcnic_driver_name[] = "qlcnic"; 31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 33 34 static int qlcnic_mac_learn; 35 module_param(qlcnic_mac_learn, int, 0444); 36 MODULE_PARM_DESC(qlcnic_mac_learn, 37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 38 39 int qlcnic_use_msi = 1; 40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 41 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 42 43 int qlcnic_use_msi_x = 1; 44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 46 47 int qlcnic_auto_fw_reset = 1; 48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 50 51 int qlcnic_load_fw_file; 52 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)"); 53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 54 55 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 56 static void qlcnic_remove(struct pci_dev *pdev); 57 static int qlcnic_open(struct net_device *netdev); 58 static int qlcnic_close(struct net_device *netdev); 59 static void qlcnic_tx_timeout(struct net_device *netdev); 60 static void qlcnic_attach_work(struct work_struct *work); 61 static void qlcnic_fwinit_work(struct work_struct *work); 62 #ifdef CONFIG_NET_POLL_CONTROLLER 63 static void qlcnic_poll_controller(struct net_device *netdev); 64 #endif 65 66 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 67 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 68 69 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 70 static irqreturn_t qlcnic_intr(int irq, void *data); 71 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 72 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 73 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 74 75 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 76 static int qlcnic_start_firmware(struct qlcnic_adapter *); 77 78 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 79 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 80 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 81 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 82 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 83 84 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 85 { 86 struct qlcnic_hardware_context *ahw = adapter->ahw; 87 88 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 89 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 90 else 91 return 1; 92 } 93 94 /* PCI Device ID Table */ 95 #define ENTRY(device) \ 96 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 97 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 98 99 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { 100 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 101 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 102 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 103 {0,} 104 }; 105 106 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 107 108 109 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 110 { 111 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 112 } 113 114 static const u32 msi_tgt_status[8] = { 115 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 116 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 117 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 118 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 119 }; 120 121 static const u32 qlcnic_reg_tbl[] = { 122 0x1B20A8, /* PEG_HALT_STAT1 */ 123 0x1B20AC, /* PEG_HALT_STAT2 */ 124 0x1B20B0, /* FW_HEARTBEAT */ 125 0x1B2100, /* LOCK ID */ 126 0x1B2128, /* FW_CAPABILITIES */ 127 0x1B2138, /* drv active */ 128 0x1B2140, /* dev state */ 129 0x1B2144, /* drv state */ 130 0x1B2148, /* drv scratch */ 131 0x1B214C, /* dev partition info */ 132 0x1B2174, /* drv idc ver */ 133 0x1B2150, /* fw version major */ 134 0x1B2154, /* fw version minor */ 135 0x1B2158, /* fw version sub */ 136 0x1B219C, /* npar state */ 137 0x1B21FC, /* FW_IMG_VALID */ 138 0x1B2250, /* CMD_PEG_STATE */ 139 0x1B233C, /* RCV_PEG_STATE */ 140 0x1B23B4, /* ASIC TEMP */ 141 0x1B216C, /* FW api */ 142 0x1B2170, /* drv op mode */ 143 0x13C010, /* flash lock */ 144 0x13C014, /* flash unlock */ 145 }; 146 147 static const struct qlcnic_board_info qlcnic_boards[] = { 148 { PCI_VENDOR_ID_QLOGIC, 149 PCI_DEVICE_ID_QLOGIC_QLE834X, 150 PCI_VENDOR_ID_QLOGIC, 151 0x24e, 152 "8300 Series Dual Port 10GbE Converged Network Adapter " 153 "(TCP/IP Networking)" }, 154 { PCI_VENDOR_ID_QLOGIC, 155 PCI_DEVICE_ID_QLOGIC_QLE834X, 156 PCI_VENDOR_ID_QLOGIC, 157 0x243, 158 "8300 Series Single Port 10GbE Converged Network Adapter " 159 "(TCP/IP Networking)" }, 160 { PCI_VENDOR_ID_QLOGIC, 161 PCI_DEVICE_ID_QLOGIC_QLE834X, 162 PCI_VENDOR_ID_QLOGIC, 163 0x24a, 164 "8300 Series Dual Port 10GbE Converged Network Adapter " 165 "(TCP/IP Networking)" }, 166 { PCI_VENDOR_ID_QLOGIC, 167 PCI_DEVICE_ID_QLOGIC_QLE834X, 168 PCI_VENDOR_ID_QLOGIC, 169 0x246, 170 "8300 Series Dual Port 10GbE Converged Network Adapter " 171 "(TCP/IP Networking)" }, 172 { PCI_VENDOR_ID_QLOGIC, 173 PCI_DEVICE_ID_QLOGIC_QLE834X, 174 PCI_VENDOR_ID_QLOGIC, 175 0x252, 176 "8300 Series Dual Port 10GbE Converged Network Adapter " 177 "(TCP/IP Networking)" }, 178 { PCI_VENDOR_ID_QLOGIC, 179 PCI_DEVICE_ID_QLOGIC_QLE834X, 180 PCI_VENDOR_ID_QLOGIC, 181 0x26e, 182 "8300 Series Dual Port 10GbE Converged Network Adapter " 183 "(TCP/IP Networking)" }, 184 { PCI_VENDOR_ID_QLOGIC, 185 PCI_DEVICE_ID_QLOGIC_QLE834X, 186 PCI_VENDOR_ID_QLOGIC, 187 0x260, 188 "8300 Series Dual Port 10GbE Converged Network Adapter " 189 "(TCP/IP Networking)" }, 190 { PCI_VENDOR_ID_QLOGIC, 191 PCI_DEVICE_ID_QLOGIC_QLE834X, 192 PCI_VENDOR_ID_QLOGIC, 193 0x266, 194 "8300 Series Single Port 10GbE Converged Network Adapter " 195 "(TCP/IP Networking)" }, 196 { PCI_VENDOR_ID_QLOGIC, 197 PCI_DEVICE_ID_QLOGIC_QLE834X, 198 PCI_VENDOR_ID_QLOGIC, 199 0x269, 200 "8300 Series Dual Port 10GbE Converged Network Adapter " 201 "(TCP/IP Networking)" }, 202 { PCI_VENDOR_ID_QLOGIC, 203 PCI_DEVICE_ID_QLOGIC_QLE834X, 204 PCI_VENDOR_ID_QLOGIC, 205 0x271, 206 "8300 Series Dual Port 10GbE Converged Network Adapter " 207 "(TCP/IP Networking)" }, 208 { PCI_VENDOR_ID_QLOGIC, 209 PCI_DEVICE_ID_QLOGIC_QLE834X, 210 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 211 { PCI_VENDOR_ID_QLOGIC, 212 PCI_DEVICE_ID_QLOGIC_QLE824X, 213 PCI_VENDOR_ID_QLOGIC, 214 0x203, 215 "8200 Series Single Port 10GbE Converged Network Adapter" 216 "(TCP/IP Networking)" }, 217 { PCI_VENDOR_ID_QLOGIC, 218 PCI_DEVICE_ID_QLOGIC_QLE824X, 219 PCI_VENDOR_ID_QLOGIC, 220 0x207, 221 "8200 Series Dual Port 10GbE Converged Network Adapter" 222 "(TCP/IP Networking)" }, 223 { PCI_VENDOR_ID_QLOGIC, 224 PCI_DEVICE_ID_QLOGIC_QLE824X, 225 PCI_VENDOR_ID_QLOGIC, 226 0x20b, 227 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 228 { PCI_VENDOR_ID_QLOGIC, 229 PCI_DEVICE_ID_QLOGIC_QLE824X, 230 PCI_VENDOR_ID_QLOGIC, 231 0x20c, 232 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 233 { PCI_VENDOR_ID_QLOGIC, 234 PCI_DEVICE_ID_QLOGIC_QLE824X, 235 PCI_VENDOR_ID_QLOGIC, 236 0x20f, 237 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 238 { PCI_VENDOR_ID_QLOGIC, 239 PCI_DEVICE_ID_QLOGIC_QLE824X, 240 0x103c, 0x3733, 241 "NC523SFP 10Gb 2-port Server Adapter" }, 242 { PCI_VENDOR_ID_QLOGIC, 243 PCI_DEVICE_ID_QLOGIC_QLE824X, 244 0x103c, 0x3346, 245 "CN1000Q Dual Port Converged Network Adapter" }, 246 { PCI_VENDOR_ID_QLOGIC, 247 PCI_DEVICE_ID_QLOGIC_QLE824X, 248 PCI_VENDOR_ID_QLOGIC, 249 0x210, 250 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 251 { PCI_VENDOR_ID_QLOGIC, 252 PCI_DEVICE_ID_QLOGIC_QLE824X, 253 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 254 }; 255 256 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 257 #define QLC_MAX_SDS_RINGS 8 258 259 static const 260 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 261 262 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 263 { 264 int size = sizeof(struct qlcnic_host_sds_ring) * count; 265 266 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 267 268 return recv_ctx->sds_rings == NULL; 269 } 270 271 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 272 { 273 if (recv_ctx->sds_rings != NULL) 274 kfree(recv_ctx->sds_rings); 275 276 recv_ctx->sds_rings = NULL; 277 } 278 279 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 280 { 281 u8 mac_addr[ETH_ALEN]; 282 struct net_device *netdev = adapter->netdev; 283 struct pci_dev *pdev = adapter->pdev; 284 285 if (qlcnic_get_mac_address(adapter, mac_addr) != 0) 286 return -EIO; 287 288 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 289 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 290 291 /* set station address */ 292 293 if (!is_valid_ether_addr(netdev->dev_addr)) 294 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 295 netdev->dev_addr); 296 297 return 0; 298 } 299 300 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 301 { 302 struct qlcnic_mac_list_s *cur; 303 struct list_head *head; 304 305 list_for_each(head, &adapter->mac_list) { 306 cur = list_entry(head, struct qlcnic_mac_list_s, list); 307 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) { 308 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 309 0, QLCNIC_MAC_DEL); 310 list_del(&cur->list); 311 kfree(cur); 312 return; 313 } 314 } 315 } 316 317 static int qlcnic_set_mac(struct net_device *netdev, void *p) 318 { 319 struct qlcnic_adapter *adapter = netdev_priv(netdev); 320 struct sockaddr *addr = p; 321 322 if (qlcnic_sriov_vf_check(adapter)) 323 return -EINVAL; 324 325 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 326 return -EOPNOTSUPP; 327 328 if (!is_valid_ether_addr(addr->sa_data)) 329 return -EINVAL; 330 331 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN)) 332 return 0; 333 334 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 335 netif_device_detach(netdev); 336 qlcnic_napi_disable(adapter); 337 } 338 339 qlcnic_delete_adapter_mac(adapter); 340 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 341 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 342 qlcnic_set_multi(adapter->netdev); 343 344 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 345 netif_device_attach(netdev); 346 qlcnic_napi_enable(adapter); 347 } 348 return 0; 349 } 350 351 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 352 struct net_device *netdev, const unsigned char *addr) 353 { 354 struct qlcnic_adapter *adapter = netdev_priv(netdev); 355 int err = -EOPNOTSUPP; 356 357 if (!adapter->fdb_mac_learn) 358 return ndo_dflt_fdb_del(ndm, tb, netdev, addr); 359 360 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 361 if (is_unicast_ether_addr(addr)) { 362 err = dev_uc_del(netdev, addr); 363 if (!err) 364 err = qlcnic_nic_del_mac(adapter, addr); 365 } else if (is_multicast_ether_addr(addr)) { 366 err = dev_mc_del(netdev, addr); 367 } else { 368 err = -EINVAL; 369 } 370 } 371 return err; 372 } 373 374 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 375 struct net_device *netdev, 376 const unsigned char *addr, u16 flags) 377 { 378 struct qlcnic_adapter *adapter = netdev_priv(netdev); 379 int err = 0; 380 381 if (!adapter->fdb_mac_learn) 382 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags); 383 384 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 385 pr_info("%s: FDB e-switch is not enabled\n", __func__); 386 return -EOPNOTSUPP; 387 } 388 389 if (ether_addr_equal(addr, adapter->mac_addr)) 390 return err; 391 392 if (is_unicast_ether_addr(addr)) { 393 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 394 err = dev_uc_add_excl(netdev, addr); 395 else 396 err = -ENOMEM; 397 } else if (is_multicast_ether_addr(addr)) { 398 err = dev_mc_add_excl(netdev, addr); 399 } else { 400 err = -EINVAL; 401 } 402 403 return err; 404 } 405 406 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 407 struct net_device *netdev, int idx) 408 { 409 struct qlcnic_adapter *adapter = netdev_priv(netdev); 410 411 if (!adapter->fdb_mac_learn) 412 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 413 414 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) 415 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 416 417 return idx; 418 } 419 420 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 421 { 422 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 423 usleep_range(10000, 11000); 424 425 cancel_delayed_work_sync(&adapter->fw_work); 426 } 427 428 static const struct net_device_ops qlcnic_netdev_ops = { 429 .ndo_open = qlcnic_open, 430 .ndo_stop = qlcnic_close, 431 .ndo_start_xmit = qlcnic_xmit_frame, 432 .ndo_get_stats = qlcnic_get_stats, 433 .ndo_validate_addr = eth_validate_addr, 434 .ndo_set_rx_mode = qlcnic_set_multi, 435 .ndo_set_mac_address = qlcnic_set_mac, 436 .ndo_change_mtu = qlcnic_change_mtu, 437 .ndo_fix_features = qlcnic_fix_features, 438 .ndo_set_features = qlcnic_set_features, 439 .ndo_tx_timeout = qlcnic_tx_timeout, 440 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 441 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 442 .ndo_fdb_add = qlcnic_fdb_add, 443 .ndo_fdb_del = qlcnic_fdb_del, 444 .ndo_fdb_dump = qlcnic_fdb_dump, 445 #ifdef CONFIG_NET_POLL_CONTROLLER 446 .ndo_poll_controller = qlcnic_poll_controller, 447 #endif 448 #ifdef CONFIG_QLCNIC_SRIOV 449 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 450 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate, 451 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 452 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 453 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 454 #endif 455 }; 456 457 static const struct net_device_ops qlcnic_netdev_failed_ops = { 458 .ndo_open = qlcnic_open, 459 }; 460 461 static struct qlcnic_nic_template qlcnic_ops = { 462 .config_bridged_mode = qlcnic_config_bridged_mode, 463 .config_led = qlcnic_82xx_config_led, 464 .start_firmware = qlcnic_82xx_start_firmware, 465 .request_reset = qlcnic_82xx_dev_request_reset, 466 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 467 .napi_add = qlcnic_82xx_napi_add, 468 .napi_del = qlcnic_82xx_napi_del, 469 .config_ipaddr = qlcnic_82xx_config_ipaddr, 470 .shutdown = qlcnic_82xx_shutdown, 471 .resume = qlcnic_82xx_resume, 472 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 473 }; 474 475 struct qlcnic_nic_template qlcnic_vf_ops = { 476 .config_bridged_mode = qlcnicvf_config_bridged_mode, 477 .config_led = qlcnicvf_config_led, 478 .start_firmware = qlcnicvf_start_firmware 479 }; 480 481 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 482 .read_crb = qlcnic_82xx_read_crb, 483 .write_crb = qlcnic_82xx_write_crb, 484 .read_reg = qlcnic_82xx_hw_read_wx_2M, 485 .write_reg = qlcnic_82xx_hw_write_wx_2M, 486 .get_mac_address = qlcnic_82xx_get_mac_address, 487 .setup_intr = qlcnic_82xx_setup_intr, 488 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 489 .mbx_cmd = qlcnic_82xx_issue_cmd, 490 .get_func_no = qlcnic_82xx_get_func_no, 491 .api_lock = qlcnic_82xx_api_lock, 492 .api_unlock = qlcnic_82xx_api_unlock, 493 .add_sysfs = qlcnic_82xx_add_sysfs, 494 .remove_sysfs = qlcnic_82xx_remove_sysfs, 495 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 496 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 497 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 498 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 499 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 500 .setup_link_event = qlcnic_82xx_linkevent_request, 501 .get_nic_info = qlcnic_82xx_get_nic_info, 502 .get_pci_info = qlcnic_82xx_get_pci_info, 503 .set_nic_info = qlcnic_82xx_set_nic_info, 504 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 505 .napi_enable = qlcnic_82xx_napi_enable, 506 .napi_disable = qlcnic_82xx_napi_disable, 507 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 508 .config_rss = qlcnic_82xx_config_rss, 509 .config_hw_lro = qlcnic_82xx_config_hw_lro, 510 .config_loopback = qlcnic_82xx_set_lb_mode, 511 .clear_loopback = qlcnic_82xx_clear_lb_mode, 512 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 513 .change_l2_filter = qlcnic_82xx_change_filter, 514 .get_board_info = qlcnic_82xx_get_board_info, 515 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 516 .free_mac_list = qlcnic_82xx_free_mac_list, 517 }; 518 519 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 520 { 521 struct pci_dev *pdev = adapter->pdev; 522 int err = -1, i; 523 int max_tx_rings, tx_vector; 524 525 if (adapter->flags & QLCNIC_TX_INTR_SHARED) { 526 max_tx_rings = 0; 527 tx_vector = 0; 528 } else { 529 max_tx_rings = adapter->max_drv_tx_rings; 530 tx_vector = 1; 531 } 532 533 if (!adapter->msix_entries) { 534 adapter->msix_entries = kcalloc(num_msix, 535 sizeof(struct msix_entry), 536 GFP_KERNEL); 537 if (!adapter->msix_entries) 538 return -ENOMEM; 539 } 540 541 adapter->max_sds_rings = 1; 542 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 543 544 if (adapter->ahw->msix_supported) { 545 enable_msix: 546 for (i = 0; i < num_msix; i++) 547 adapter->msix_entries[i].entry = i; 548 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); 549 if (err == 0) { 550 adapter->flags |= QLCNIC_MSIX_ENABLED; 551 if (qlcnic_83xx_check(adapter)) { 552 adapter->ahw->num_msix = num_msix; 553 /* subtract mail box and tx ring vectors */ 554 adapter->max_sds_rings = num_msix - 555 max_tx_rings - 1; 556 } else { 557 adapter->max_sds_rings = num_msix; 558 } 559 dev_info(&pdev->dev, "using msi-x interrupts\n"); 560 return err; 561 } else if (err > 0) { 562 dev_info(&pdev->dev, 563 "Unable to allocate %d MSI-X interrupt vectors\n", 564 num_msix); 565 if (qlcnic_83xx_check(adapter)) { 566 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector)) 567 return err; 568 err -= (max_tx_rings + 1); 569 num_msix = rounddown_pow_of_two(err); 570 num_msix += (max_tx_rings + 1); 571 } else { 572 num_msix = rounddown_pow_of_two(err); 573 } 574 575 if (num_msix) { 576 dev_info(&pdev->dev, 577 "Trying to allocate %d MSI-X interrupt vectors\n", 578 num_msix); 579 goto enable_msix; 580 } 581 } else { 582 dev_info(&pdev->dev, 583 "Unable to allocate %d MSI-X interrupt vectors\n", 584 num_msix); 585 } 586 } 587 588 return err; 589 } 590 591 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 592 { 593 int err = 0; 594 u32 offset, mask_reg; 595 const struct qlcnic_legacy_intr_set *legacy_intrp; 596 struct qlcnic_hardware_context *ahw = adapter->ahw; 597 struct pci_dev *pdev = adapter->pdev; 598 599 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 600 adapter->flags |= QLCNIC_MSI_ENABLED; 601 offset = msi_tgt_status[adapter->ahw->pci_func]; 602 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 603 offset); 604 dev_info(&pdev->dev, "using msi interrupts\n"); 605 adapter->msix_entries[0].vector = pdev->irq; 606 return err; 607 } 608 if (qlcnic_use_msi || qlcnic_use_msi_x) 609 return -EOPNOTSUPP; 610 611 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 612 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 613 offset = legacy_intrp->tgt_status_reg; 614 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 615 mask_reg = legacy_intrp->tgt_mask_reg; 616 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 617 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 618 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 619 dev_info(&pdev->dev, "using legacy interrupts\n"); 620 adapter->msix_entries[0].vector = pdev->irq; 621 return err; 622 } 623 624 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr) 625 { 626 int num_msix, err = 0; 627 628 if (!num_intr) 629 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS; 630 631 if (adapter->ahw->msix_supported) 632 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(), 633 num_intr)); 634 else 635 num_msix = 1; 636 637 err = qlcnic_enable_msix(adapter, num_msix); 638 if (err == -ENOMEM || !err) 639 return err; 640 641 err = qlcnic_enable_msi_legacy(adapter); 642 if (!err) 643 return err; 644 645 return -EIO; 646 } 647 648 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 649 { 650 if (adapter->flags & QLCNIC_MSIX_ENABLED) 651 pci_disable_msix(adapter->pdev); 652 if (adapter->flags & QLCNIC_MSI_ENABLED) 653 pci_disable_msi(adapter->pdev); 654 655 kfree(adapter->msix_entries); 656 adapter->msix_entries = NULL; 657 658 if (adapter->ahw->intr_tbl) { 659 vfree(adapter->ahw->intr_tbl); 660 adapter->ahw->intr_tbl = NULL; 661 } 662 } 663 664 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 665 { 666 if (ahw->pci_base0 != NULL) 667 iounmap(ahw->pci_base0); 668 } 669 670 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 671 { 672 struct qlcnic_pci_info *pci_info; 673 int ret; 674 675 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 676 switch (adapter->ahw->port_type) { 677 case QLCNIC_GBE: 678 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS; 679 break; 680 case QLCNIC_XGBE: 681 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS; 682 break; 683 } 684 return 0; 685 } 686 687 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 688 return 0; 689 690 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 691 if (!pci_info) 692 return -ENOMEM; 693 694 ret = qlcnic_get_pci_info(adapter, pci_info); 695 kfree(pci_info); 696 return ret; 697 } 698 699 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 700 { 701 struct qlcnic_pci_info *pci_info; 702 int i, ret = 0, j = 0; 703 u16 act_pci_func; 704 u8 pfn; 705 706 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 707 if (!pci_info) 708 return -ENOMEM; 709 710 ret = qlcnic_get_pci_info(adapter, pci_info); 711 if (ret) 712 goto err_pci_info; 713 714 act_pci_func = adapter->ahw->act_pci_func; 715 716 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 717 act_pci_func, GFP_KERNEL); 718 if (!adapter->npars) { 719 ret = -ENOMEM; 720 goto err_pci_info; 721 } 722 723 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 724 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 725 if (!adapter->eswitch) { 726 ret = -ENOMEM; 727 goto err_npars; 728 } 729 730 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { 731 pfn = pci_info[i].id; 732 733 if (pfn >= QLCNIC_MAX_PCI_FUNC) { 734 ret = QL_STATUS_INVALID_PARAM; 735 goto err_eswitch; 736 } 737 738 if (!pci_info[i].active || 739 (pci_info[i].type != QLCNIC_TYPE_NIC)) 740 continue; 741 742 adapter->npars[j].pci_func = pfn; 743 adapter->npars[j].active = (u8)pci_info[i].active; 744 adapter->npars[j].type = (u8)pci_info[i].type; 745 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 746 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 747 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 748 j++; 749 } 750 751 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) { 752 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 753 if (qlcnic_83xx_check(adapter)) 754 qlcnic_enable_eswitch(adapter, i, 1); 755 } 756 757 kfree(pci_info); 758 return 0; 759 760 err_eswitch: 761 kfree(adapter->eswitch); 762 adapter->eswitch = NULL; 763 err_npars: 764 kfree(adapter->npars); 765 adapter->npars = NULL; 766 err_pci_info: 767 kfree(pci_info); 768 769 return ret; 770 } 771 772 static int 773 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 774 { 775 u8 id; 776 int ret; 777 u32 data = QLCNIC_MGMT_FUNC; 778 struct qlcnic_hardware_context *ahw = adapter->ahw; 779 780 ret = qlcnic_api_lock(adapter); 781 if (ret) 782 goto err_lock; 783 784 id = ahw->pci_func; 785 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 786 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 787 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 788 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 789 qlcnic_api_unlock(adapter); 790 err_lock: 791 return ret; 792 } 793 794 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 795 const struct pci_device_id *ent) 796 { 797 u32 op_mode, priv_level; 798 799 /* Determine FW API version */ 800 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 801 QLCNIC_FW_API); 802 803 /* Find PCI function number */ 804 qlcnic_get_func_no(adapter); 805 806 /* Determine function privilege level */ 807 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 808 if (op_mode == QLC_DEV_DRV_DEFAULT) 809 priv_level = QLCNIC_MGMT_FUNC; 810 else 811 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 812 813 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 814 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 815 dev_info(&adapter->pdev->dev, 816 "HAL Version: %d Non Privileged function\n", 817 adapter->ahw->fw_hal_version); 818 adapter->nic_ops = &qlcnic_vf_ops; 819 } else 820 adapter->nic_ops = &qlcnic_ops; 821 } 822 823 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 824 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 825 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 826 { 827 switch (dev_id) { 828 case PCI_DEVICE_ID_QLOGIC_QLE824X: 829 *bar = QLCNIC_82XX_BAR0_LENGTH; 830 break; 831 case PCI_DEVICE_ID_QLOGIC_QLE834X: 832 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 833 *bar = QLCNIC_83XX_BAR0_LENGTH; 834 break; 835 default: 836 *bar = 0; 837 } 838 } 839 840 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 841 struct qlcnic_hardware_context *ahw) 842 { 843 u32 offset; 844 void __iomem *mem_ptr0 = NULL; 845 unsigned long mem_len, pci_len0 = 0, bar0_len; 846 847 /* remap phys address */ 848 mem_len = pci_resource_len(pdev, 0); 849 850 qlcnic_get_bar_length(pdev->device, &bar0_len); 851 if (mem_len >= bar0_len) { 852 853 mem_ptr0 = pci_ioremap_bar(pdev, 0); 854 if (mem_ptr0 == NULL) { 855 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 856 return -EIO; 857 } 858 pci_len0 = mem_len; 859 } else { 860 return -EIO; 861 } 862 863 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 864 865 ahw->pci_base0 = mem_ptr0; 866 ahw->pci_len0 = pci_len0; 867 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 868 qlcnic_get_ioaddr(ahw, offset); 869 870 return 0; 871 } 872 873 static inline bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 874 int index) 875 { 876 struct pci_dev *pdev = adapter->pdev; 877 unsigned short subsystem_vendor; 878 bool ret = true; 879 880 subsystem_vendor = pdev->subsystem_vendor; 881 882 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 883 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 884 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 885 qlcnic_boards[index].sub_device == pdev->subsystem_device) 886 ret = true; 887 else 888 ret = false; 889 } 890 891 return ret; 892 } 893 894 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 895 { 896 struct pci_dev *pdev = adapter->pdev; 897 int i, found = 0; 898 899 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 900 if (qlcnic_boards[i].vendor == pdev->vendor && 901 qlcnic_boards[i].device == pdev->device && 902 qlcnic_validate_subsystem_id(adapter, i)) { 903 found = 1; 904 break; 905 } 906 } 907 908 if (!found) 909 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 910 else 911 sprintf(name, "%pM: %s" , adapter->mac_addr, 912 qlcnic_boards[i].short_name); 913 } 914 915 static void 916 qlcnic_check_options(struct qlcnic_adapter *adapter) 917 { 918 int err; 919 u32 fw_major, fw_minor, fw_build, prev_fw_version; 920 struct pci_dev *pdev = adapter->pdev; 921 struct qlcnic_hardware_context *ahw = adapter->ahw; 922 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 923 924 prev_fw_version = adapter->fw_version; 925 926 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 927 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 928 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 929 930 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 931 932 err = qlcnic_get_board_info(adapter); 933 if (err) { 934 dev_err(&pdev->dev, "Error getting board config info.\n"); 935 return; 936 } 937 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 938 if (fw_dump->tmpl_hdr == NULL || 939 adapter->fw_version > prev_fw_version) { 940 if (fw_dump->tmpl_hdr) 941 vfree(fw_dump->tmpl_hdr); 942 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 943 dev_info(&pdev->dev, 944 "Supports FW dump capability\n"); 945 } 946 } 947 948 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 949 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 950 951 if (adapter->ahw->port_type == QLCNIC_XGBE) { 952 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 953 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 954 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 955 } else { 956 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 957 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 958 } 959 960 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 961 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 962 963 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 964 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 965 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 966 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 967 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 968 } 969 970 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 971 972 adapter->num_txd = MAX_CMD_DESCRIPTORS; 973 974 adapter->max_rds_rings = MAX_RDS_RINGS; 975 } 976 977 static int 978 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 979 { 980 struct qlcnic_info nic_info; 981 int err = 0; 982 983 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 984 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 985 if (err) 986 return err; 987 988 adapter->ahw->physical_port = (u8)nic_info.phys_port; 989 adapter->ahw->switch_mode = nic_info.switch_mode; 990 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 991 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 992 adapter->ahw->capabilities = nic_info.capabilities; 993 994 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 995 u32 temp; 996 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 997 if (err == -EIO) 998 return err; 999 adapter->ahw->extra_capability[0] = temp; 1000 } 1001 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1002 adapter->ahw->max_mtu = nic_info.max_mtu; 1003 1004 /* Disable NPAR for 83XX */ 1005 if (qlcnic_83xx_check(adapter)) 1006 return err; 1007 1008 if (adapter->ahw->capabilities & BIT_6) 1009 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1010 else 1011 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1012 1013 return err; 1014 } 1015 1016 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1017 struct qlcnic_esw_func_cfg *esw_cfg) 1018 { 1019 if (esw_cfg->discard_tagged) 1020 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1021 else 1022 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1023 1024 if (esw_cfg->vlan_id) { 1025 adapter->rx_pvid = esw_cfg->vlan_id; 1026 adapter->tx_pvid = esw_cfg->vlan_id; 1027 } else { 1028 adapter->rx_pvid = 0; 1029 adapter->tx_pvid = 0; 1030 } 1031 } 1032 1033 static int 1034 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1035 { 1036 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1037 int err; 1038 1039 if (qlcnic_sriov_vf_check(adapter)) { 1040 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1041 if (err) { 1042 netdev_err(netdev, 1043 "Cannot add VLAN filter for VLAN id %d, err=%d", 1044 vid, err); 1045 return err; 1046 } 1047 } 1048 1049 set_bit(vid, adapter->vlans); 1050 return 0; 1051 } 1052 1053 static int 1054 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1055 { 1056 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1057 int err; 1058 1059 if (qlcnic_sriov_vf_check(adapter)) { 1060 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1061 if (err) { 1062 netdev_err(netdev, 1063 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1064 vid, err); 1065 return err; 1066 } 1067 } 1068 1069 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1070 clear_bit(vid, adapter->vlans); 1071 return 0; 1072 } 1073 1074 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1075 struct qlcnic_esw_func_cfg *esw_cfg) 1076 { 1077 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1078 QLCNIC_PROMISC_DISABLED); 1079 1080 if (esw_cfg->mac_anti_spoof) 1081 adapter->flags |= QLCNIC_MACSPOOF; 1082 1083 if (!esw_cfg->mac_override) 1084 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1085 1086 if (!esw_cfg->promisc_mode) 1087 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1088 } 1089 1090 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1091 { 1092 struct qlcnic_esw_func_cfg esw_cfg; 1093 1094 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1095 return 0; 1096 1097 esw_cfg.pci_func = adapter->ahw->pci_func; 1098 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1099 return -EIO; 1100 qlcnic_set_vlan_config(adapter, &esw_cfg); 1101 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1102 qlcnic_set_netdev_features(adapter, &esw_cfg); 1103 1104 return 0; 1105 } 1106 1107 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1108 struct qlcnic_esw_func_cfg *esw_cfg) 1109 { 1110 struct net_device *netdev = adapter->netdev; 1111 1112 if (qlcnic_83xx_check(adapter)) 1113 return; 1114 1115 adapter->offload_flags = esw_cfg->offload_flags; 1116 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1117 netdev_update_features(netdev); 1118 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1119 } 1120 1121 static int 1122 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1123 { 1124 u32 op_mode, priv_level; 1125 int err = 0; 1126 1127 err = qlcnic_initialize_nic(adapter); 1128 if (err) 1129 return err; 1130 1131 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1132 return 0; 1133 1134 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1135 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1136 1137 if (op_mode == QLC_DEV_DRV_DEFAULT) 1138 priv_level = QLCNIC_MGMT_FUNC; 1139 else 1140 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1141 1142 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1143 if (priv_level == QLCNIC_MGMT_FUNC) { 1144 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1145 err = qlcnic_init_pci_info(adapter); 1146 if (err) 1147 return err; 1148 /* Set privilege level for other functions */ 1149 qlcnic_set_function_modes(adapter); 1150 dev_info(&adapter->pdev->dev, 1151 "HAL Version: %d, Management function\n", 1152 adapter->ahw->fw_hal_version); 1153 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1154 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1155 dev_info(&adapter->pdev->dev, 1156 "HAL Version: %d, Privileged function\n", 1157 adapter->ahw->fw_hal_version); 1158 } 1159 } 1160 1161 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1162 1163 return err; 1164 } 1165 1166 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1167 { 1168 struct qlcnic_esw_func_cfg esw_cfg; 1169 struct qlcnic_npar_info *npar; 1170 u8 i; 1171 1172 if (adapter->need_fw_reset) 1173 return 0; 1174 1175 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1176 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1177 esw_cfg.pci_func = adapter->npars[i].pci_func; 1178 esw_cfg.mac_override = BIT_0; 1179 esw_cfg.promisc_mode = BIT_0; 1180 if (qlcnic_82xx_check(adapter)) { 1181 esw_cfg.offload_flags = BIT_0; 1182 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1183 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1184 } 1185 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1186 return -EIO; 1187 npar = &adapter->npars[i]; 1188 npar->pvid = esw_cfg.vlan_id; 1189 npar->mac_override = esw_cfg.mac_override; 1190 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1191 npar->discard_tagged = esw_cfg.discard_tagged; 1192 npar->promisc_mode = esw_cfg.promisc_mode; 1193 npar->offload_flags = esw_cfg.offload_flags; 1194 } 1195 1196 return 0; 1197 } 1198 1199 1200 static int 1201 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1202 struct qlcnic_npar_info *npar, int pci_func) 1203 { 1204 struct qlcnic_esw_func_cfg esw_cfg; 1205 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1206 esw_cfg.pci_func = pci_func; 1207 esw_cfg.vlan_id = npar->pvid; 1208 esw_cfg.mac_override = npar->mac_override; 1209 esw_cfg.discard_tagged = npar->discard_tagged; 1210 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1211 esw_cfg.offload_flags = npar->offload_flags; 1212 esw_cfg.promisc_mode = npar->promisc_mode; 1213 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1214 return -EIO; 1215 1216 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1217 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1218 return -EIO; 1219 1220 return 0; 1221 } 1222 1223 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1224 { 1225 int i, err; 1226 struct qlcnic_npar_info *npar; 1227 struct qlcnic_info nic_info; 1228 u8 pci_func; 1229 1230 if (qlcnic_82xx_check(adapter)) 1231 if (!adapter->need_fw_reset) 1232 return 0; 1233 1234 /* Set the NPAR config data after FW reset */ 1235 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1236 npar = &adapter->npars[i]; 1237 pci_func = npar->pci_func; 1238 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1239 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1240 if (err) 1241 return err; 1242 nic_info.min_tx_bw = npar->min_bw; 1243 nic_info.max_tx_bw = npar->max_bw; 1244 err = qlcnic_set_nic_info(adapter, &nic_info); 1245 if (err) 1246 return err; 1247 1248 if (npar->enable_pm) { 1249 err = qlcnic_config_port_mirroring(adapter, 1250 npar->dest_npar, 1, 1251 pci_func); 1252 if (err) 1253 return err; 1254 } 1255 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1256 if (err) 1257 return err; 1258 } 1259 return 0; 1260 } 1261 1262 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1263 { 1264 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1265 u32 npar_state; 1266 1267 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1268 return 0; 1269 1270 npar_state = QLC_SHARED_REG_RD32(adapter, 1271 QLCNIC_CRB_DEV_NPAR_STATE); 1272 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1273 msleep(1000); 1274 npar_state = QLC_SHARED_REG_RD32(adapter, 1275 QLCNIC_CRB_DEV_NPAR_STATE); 1276 } 1277 if (!npar_opt_timeo) { 1278 dev_err(&adapter->pdev->dev, 1279 "Waiting for NPAR state to operational timeout\n"); 1280 return -EIO; 1281 } 1282 return 0; 1283 } 1284 1285 static int 1286 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1287 { 1288 int err; 1289 1290 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1291 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1292 return 0; 1293 1294 err = qlcnic_set_default_offload_settings(adapter); 1295 if (err) 1296 return err; 1297 1298 err = qlcnic_reset_npar_config(adapter); 1299 if (err) 1300 return err; 1301 1302 qlcnic_dev_set_npar_ready(adapter); 1303 1304 return err; 1305 } 1306 1307 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1308 { 1309 int err; 1310 1311 err = qlcnic_can_start_firmware(adapter); 1312 if (err < 0) 1313 return err; 1314 else if (!err) 1315 goto check_fw_status; 1316 1317 if (qlcnic_load_fw_file) 1318 qlcnic_request_firmware(adapter); 1319 else { 1320 err = qlcnic_check_flash_fw_ver(adapter); 1321 if (err) 1322 goto err_out; 1323 1324 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1325 } 1326 1327 err = qlcnic_need_fw_reset(adapter); 1328 if (err == 0) 1329 goto check_fw_status; 1330 1331 err = qlcnic_pinit_from_rom(adapter); 1332 if (err) 1333 goto err_out; 1334 1335 err = qlcnic_load_firmware(adapter); 1336 if (err) 1337 goto err_out; 1338 1339 qlcnic_release_firmware(adapter); 1340 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1341 1342 check_fw_status: 1343 err = qlcnic_check_fw_status(adapter); 1344 if (err) 1345 goto err_out; 1346 1347 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1348 qlcnic_idc_debug_info(adapter, 1); 1349 err = qlcnic_check_eswitch_mode(adapter); 1350 if (err) { 1351 dev_err(&adapter->pdev->dev, 1352 "Memory allocation failed for eswitch\n"); 1353 goto err_out; 1354 } 1355 err = qlcnic_set_mgmt_operations(adapter); 1356 if (err) 1357 goto err_out; 1358 1359 qlcnic_check_options(adapter); 1360 adapter->need_fw_reset = 0; 1361 1362 qlcnic_release_firmware(adapter); 1363 return 0; 1364 1365 err_out: 1366 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1367 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1368 1369 qlcnic_release_firmware(adapter); 1370 return err; 1371 } 1372 1373 static int 1374 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1375 { 1376 irq_handler_t handler; 1377 struct qlcnic_host_sds_ring *sds_ring; 1378 struct qlcnic_host_tx_ring *tx_ring; 1379 int err, ring, num_sds_rings; 1380 1381 unsigned long flags = 0; 1382 struct net_device *netdev = adapter->netdev; 1383 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1384 1385 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1386 if (qlcnic_82xx_check(adapter)) 1387 handler = qlcnic_tmp_intr; 1388 else 1389 handler = qlcnic_83xx_tmp_intr; 1390 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1391 flags |= IRQF_SHARED; 1392 1393 } else { 1394 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1395 handler = qlcnic_msix_intr; 1396 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1397 handler = qlcnic_msi_intr; 1398 else { 1399 flags |= IRQF_SHARED; 1400 if (qlcnic_82xx_check(adapter)) 1401 handler = qlcnic_intr; 1402 else 1403 handler = qlcnic_83xx_intr; 1404 } 1405 } 1406 adapter->irq = netdev->irq; 1407 1408 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1409 if (qlcnic_82xx_check(adapter) || 1410 (qlcnic_83xx_check(adapter) && 1411 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1412 num_sds_rings = adapter->max_sds_rings; 1413 for (ring = 0; ring < num_sds_rings; ring++) { 1414 sds_ring = &recv_ctx->sds_rings[ring]; 1415 if (qlcnic_82xx_check(adapter) && 1416 (ring == (num_sds_rings - 1))) { 1417 if (!(adapter->flags & 1418 QLCNIC_MSIX_ENABLED)) 1419 snprintf(sds_ring->name, 1420 sizeof(sds_ring->name), 1421 "qlcnic"); 1422 else 1423 snprintf(sds_ring->name, 1424 sizeof(sds_ring->name), 1425 "%s-tx-0-rx-%d", 1426 netdev->name, ring); 1427 } else { 1428 snprintf(sds_ring->name, 1429 sizeof(sds_ring->name), 1430 "%s-rx-%d", 1431 netdev->name, ring); 1432 } 1433 err = request_irq(sds_ring->irq, handler, flags, 1434 sds_ring->name, sds_ring); 1435 if (err) 1436 return err; 1437 } 1438 } 1439 if (qlcnic_83xx_check(adapter) && 1440 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1441 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { 1442 handler = qlcnic_msix_tx_intr; 1443 for (ring = 0; ring < adapter->max_drv_tx_rings; 1444 ring++) { 1445 tx_ring = &adapter->tx_ring[ring]; 1446 snprintf(tx_ring->name, sizeof(tx_ring->name), 1447 "%s-tx-%d", netdev->name, ring); 1448 err = request_irq(tx_ring->irq, handler, flags, 1449 tx_ring->name, tx_ring); 1450 if (err) 1451 return err; 1452 } 1453 } 1454 } 1455 return 0; 1456 } 1457 1458 static void 1459 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1460 { 1461 int ring; 1462 struct qlcnic_host_sds_ring *sds_ring; 1463 struct qlcnic_host_tx_ring *tx_ring; 1464 1465 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1466 1467 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1468 if (qlcnic_82xx_check(adapter) || 1469 (qlcnic_83xx_check(adapter) && 1470 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1471 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1472 sds_ring = &recv_ctx->sds_rings[ring]; 1473 free_irq(sds_ring->irq, sds_ring); 1474 } 1475 } 1476 if (qlcnic_83xx_check(adapter) && 1477 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { 1478 for (ring = 0; ring < adapter->max_drv_tx_rings; 1479 ring++) { 1480 tx_ring = &adapter->tx_ring[ring]; 1481 if (tx_ring->irq) 1482 free_irq(tx_ring->irq, tx_ring); 1483 } 1484 } 1485 } 1486 } 1487 1488 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1489 { 1490 u32 capab = 0; 1491 1492 if (qlcnic_82xx_check(adapter)) { 1493 if (adapter->ahw->extra_capability[0] & 1494 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1495 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1496 } else { 1497 capab = adapter->ahw->capabilities; 1498 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1499 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1500 } 1501 } 1502 1503 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1504 { 1505 int ring; 1506 struct qlcnic_host_rds_ring *rds_ring; 1507 1508 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1509 return -EIO; 1510 1511 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1512 return 0; 1513 if (qlcnic_set_eswitch_port_config(adapter)) 1514 return -EIO; 1515 qlcnic_get_lro_mss_capability(adapter); 1516 1517 if (qlcnic_fw_create_ctx(adapter)) 1518 return -EIO; 1519 1520 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1521 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1522 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1523 } 1524 1525 qlcnic_set_multi(netdev); 1526 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1527 1528 adapter->ahw->linkup = 0; 1529 1530 if (adapter->max_sds_rings > 1) 1531 qlcnic_config_rss(adapter, 1); 1532 1533 qlcnic_config_intr_coalesce(adapter); 1534 1535 if (netdev->features & NETIF_F_LRO) 1536 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1537 1538 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1539 qlcnic_napi_enable(adapter); 1540 1541 qlcnic_linkevent_request(adapter, 1); 1542 1543 adapter->ahw->reset_context = 0; 1544 return 0; 1545 } 1546 1547 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1548 { 1549 int err = 0; 1550 1551 rtnl_lock(); 1552 if (netif_running(netdev)) 1553 err = __qlcnic_up(adapter, netdev); 1554 rtnl_unlock(); 1555 1556 return err; 1557 } 1558 1559 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1560 { 1561 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1562 return; 1563 1564 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1565 return; 1566 1567 if (qlcnic_sriov_vf_check(adapter)) 1568 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1569 smp_mb(); 1570 spin_lock(&adapter->tx_clean_lock); 1571 netif_carrier_off(netdev); 1572 adapter->ahw->linkup = 0; 1573 netif_tx_disable(netdev); 1574 1575 qlcnic_free_mac_list(adapter); 1576 1577 if (adapter->fhash.fnum) 1578 qlcnic_delete_lb_filters(adapter); 1579 1580 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1581 1582 qlcnic_napi_disable(adapter); 1583 1584 qlcnic_fw_destroy_ctx(adapter); 1585 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1586 1587 qlcnic_reset_rx_buffers_list(adapter); 1588 qlcnic_release_tx_buffers(adapter); 1589 spin_unlock(&adapter->tx_clean_lock); 1590 } 1591 1592 /* Usage: During suspend and firmware recovery module */ 1593 1594 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1595 { 1596 rtnl_lock(); 1597 if (netif_running(netdev)) 1598 __qlcnic_down(adapter, netdev); 1599 rtnl_unlock(); 1600 1601 } 1602 1603 int 1604 qlcnic_attach(struct qlcnic_adapter *adapter) 1605 { 1606 struct net_device *netdev = adapter->netdev; 1607 struct pci_dev *pdev = adapter->pdev; 1608 int err; 1609 1610 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1611 return 0; 1612 1613 err = qlcnic_napi_add(adapter, netdev); 1614 if (err) 1615 return err; 1616 1617 err = qlcnic_alloc_sw_resources(adapter); 1618 if (err) { 1619 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1620 goto err_out_napi_del; 1621 } 1622 1623 err = qlcnic_alloc_hw_resources(adapter); 1624 if (err) { 1625 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1626 goto err_out_free_sw; 1627 } 1628 1629 err = qlcnic_request_irq(adapter); 1630 if (err) { 1631 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1632 goto err_out_free_hw; 1633 } 1634 1635 qlcnic_create_sysfs_entries(adapter); 1636 1637 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 1638 return 0; 1639 1640 err_out_free_hw: 1641 qlcnic_free_hw_resources(adapter); 1642 err_out_free_sw: 1643 qlcnic_free_sw_resources(adapter); 1644 err_out_napi_del: 1645 qlcnic_napi_del(adapter); 1646 return err; 1647 } 1648 1649 void qlcnic_detach(struct qlcnic_adapter *adapter) 1650 { 1651 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1652 return; 1653 1654 qlcnic_remove_sysfs_entries(adapter); 1655 1656 qlcnic_free_hw_resources(adapter); 1657 qlcnic_release_rx_buffers(adapter); 1658 qlcnic_free_irq(adapter); 1659 qlcnic_napi_del(adapter); 1660 qlcnic_free_sw_resources(adapter); 1661 1662 adapter->is_up = 0; 1663 } 1664 1665 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) 1666 { 1667 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1668 struct qlcnic_host_sds_ring *sds_ring; 1669 int ring; 1670 1671 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 1672 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1673 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1674 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1675 qlcnic_disable_int(sds_ring); 1676 } 1677 } 1678 1679 qlcnic_fw_destroy_ctx(adapter); 1680 1681 qlcnic_detach(adapter); 1682 1683 adapter->ahw->diag_test = 0; 1684 adapter->max_sds_rings = max_sds_rings; 1685 1686 if (qlcnic_attach(adapter)) 1687 goto out; 1688 1689 if (netif_running(netdev)) 1690 __qlcnic_up(adapter, netdev); 1691 out: 1692 netif_device_attach(netdev); 1693 } 1694 1695 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 1696 { 1697 struct qlcnic_hardware_context *ahw = adapter->ahw; 1698 int err = 0; 1699 1700 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 1701 GFP_KERNEL); 1702 if (!adapter->recv_ctx) { 1703 err = -ENOMEM; 1704 goto err_out; 1705 } 1706 /* Initialize interrupt coalesce parameters */ 1707 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1708 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1709 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1710 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1711 if (qlcnic_83xx_check(adapter)) { 1712 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1713 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1714 } 1715 /* clear stats */ 1716 memset(&adapter->stats, 0, sizeof(adapter->stats)); 1717 err_out: 1718 return err; 1719 } 1720 1721 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 1722 { 1723 kfree(adapter->recv_ctx); 1724 adapter->recv_ctx = NULL; 1725 1726 if (adapter->ahw->fw_dump.tmpl_hdr) { 1727 vfree(adapter->ahw->fw_dump.tmpl_hdr); 1728 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1729 } 1730 1731 kfree(adapter->ahw->reset.buff); 1732 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1733 } 1734 1735 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 1736 { 1737 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1738 struct qlcnic_host_sds_ring *sds_ring; 1739 struct qlcnic_host_rds_ring *rds_ring; 1740 int ring; 1741 int ret; 1742 1743 netif_device_detach(netdev); 1744 1745 if (netif_running(netdev)) 1746 __qlcnic_down(adapter, netdev); 1747 1748 qlcnic_detach(adapter); 1749 1750 adapter->max_sds_rings = 1; 1751 adapter->ahw->diag_test = test; 1752 adapter->ahw->linkup = 0; 1753 1754 ret = qlcnic_attach(adapter); 1755 if (ret) { 1756 netif_device_attach(netdev); 1757 return ret; 1758 } 1759 1760 ret = qlcnic_fw_create_ctx(adapter); 1761 if (ret) { 1762 qlcnic_detach(adapter); 1763 netif_device_attach(netdev); 1764 return ret; 1765 } 1766 1767 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1768 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1769 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1770 } 1771 1772 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1773 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1774 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1775 qlcnic_enable_int(sds_ring); 1776 } 1777 } 1778 1779 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 1780 adapter->ahw->loopback_state = 0; 1781 qlcnic_linkevent_request(adapter, 1); 1782 } 1783 1784 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1785 1786 return 0; 1787 } 1788 1789 /* Reset context in hardware only */ 1790 static int 1791 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 1792 { 1793 struct net_device *netdev = adapter->netdev; 1794 1795 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1796 return -EBUSY; 1797 1798 netif_device_detach(netdev); 1799 1800 qlcnic_down(adapter, netdev); 1801 1802 qlcnic_up(adapter, netdev); 1803 1804 netif_device_attach(netdev); 1805 1806 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1807 dev_err(&adapter->pdev->dev, "%s:\n", __func__); 1808 return 0; 1809 } 1810 1811 int 1812 qlcnic_reset_context(struct qlcnic_adapter *adapter) 1813 { 1814 int err = 0; 1815 struct net_device *netdev = adapter->netdev; 1816 1817 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1818 return -EBUSY; 1819 1820 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 1821 1822 netif_device_detach(netdev); 1823 1824 if (netif_running(netdev)) 1825 __qlcnic_down(adapter, netdev); 1826 1827 qlcnic_detach(adapter); 1828 1829 if (netif_running(netdev)) { 1830 err = qlcnic_attach(adapter); 1831 if (!err) { 1832 __qlcnic_up(adapter, netdev); 1833 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 1834 } 1835 } 1836 1837 netif_device_attach(netdev); 1838 } 1839 1840 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1841 return err; 1842 } 1843 1844 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 1845 { 1846 struct qlcnic_hardware_context *ahw = adapter->ahw; 1847 u16 act_pci_fn = ahw->act_pci_func; 1848 u16 count; 1849 1850 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 1851 if (act_pci_fn <= 2) 1852 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 1853 act_pci_fn; 1854 else 1855 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 1856 act_pci_fn; 1857 ahw->max_uc_count = count; 1858 } 1859 1860 int 1861 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 1862 int pci_using_dac) 1863 { 1864 int err; 1865 struct pci_dev *pdev = adapter->pdev; 1866 1867 adapter->rx_csum = 1; 1868 adapter->ahw->mc_enabled = 0; 1869 qlcnic_set_mac_filter_count(adapter); 1870 1871 netdev->netdev_ops = &qlcnic_netdev_ops; 1872 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 1873 1874 qlcnic_change_mtu(netdev, netdev->mtu); 1875 1876 if (qlcnic_sriov_vf_check(adapter)) 1877 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops); 1878 else 1879 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); 1880 1881 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 1882 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 1883 NETIF_F_HW_VLAN_CTAG_RX); 1884 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 1885 NETIF_F_IPV6_CSUM); 1886 1887 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 1888 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 1889 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 1890 } 1891 1892 if (pci_using_dac) { 1893 netdev->features |= NETIF_F_HIGHDMA; 1894 netdev->vlan_features |= NETIF_F_HIGHDMA; 1895 } 1896 1897 if (qlcnic_vlan_tx_check(adapter)) 1898 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 1899 1900 if (qlcnic_sriov_vf_check(adapter)) 1901 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 1902 1903 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 1904 netdev->features |= NETIF_F_LRO; 1905 1906 netdev->hw_features = netdev->features; 1907 netdev->priv_flags |= IFF_UNICAST_FLT; 1908 netdev->irq = adapter->msix_entries[0].vector; 1909 1910 err = register_netdev(netdev); 1911 if (err) { 1912 dev_err(&pdev->dev, "failed to register net device\n"); 1913 return err; 1914 } 1915 1916 return 0; 1917 } 1918 1919 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 1920 { 1921 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 1922 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 1923 *pci_using_dac = 1; 1924 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 1925 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 1926 *pci_using_dac = 0; 1927 else { 1928 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 1929 return -EIO; 1930 } 1931 1932 return 0; 1933 } 1934 1935 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 1936 { 1937 int ring; 1938 struct qlcnic_host_tx_ring *tx_ring; 1939 1940 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 1941 tx_ring = &adapter->tx_ring[ring]; 1942 if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 1943 vfree(tx_ring->cmd_buf_arr); 1944 tx_ring->cmd_buf_arr = NULL; 1945 } 1946 } 1947 if (adapter->tx_ring != NULL) 1948 kfree(adapter->tx_ring); 1949 } 1950 1951 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 1952 struct net_device *netdev) 1953 { 1954 int ring, vector, index; 1955 struct qlcnic_host_tx_ring *tx_ring; 1956 struct qlcnic_cmd_buffer *cmd_buf_arr; 1957 1958 tx_ring = kcalloc(adapter->max_drv_tx_rings, 1959 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 1960 if (tx_ring == NULL) 1961 return -ENOMEM; 1962 1963 adapter->tx_ring = tx_ring; 1964 1965 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 1966 tx_ring = &adapter->tx_ring[ring]; 1967 tx_ring->num_desc = adapter->num_txd; 1968 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 1969 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 1970 if (cmd_buf_arr == NULL) { 1971 qlcnic_free_tx_rings(adapter); 1972 return -ENOMEM; 1973 } 1974 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 1975 tx_ring->cmd_buf_arr = cmd_buf_arr; 1976 } 1977 1978 if (qlcnic_83xx_check(adapter)) { 1979 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 1980 tx_ring = &adapter->tx_ring[ring]; 1981 tx_ring->adapter = adapter; 1982 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 1983 index = adapter->max_sds_rings + ring; 1984 vector = adapter->msix_entries[index].vector; 1985 tx_ring->irq = vector; 1986 } 1987 } 1988 } 1989 return 0; 1990 } 1991 1992 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 1993 { 1994 struct qlcnic_hardware_context *ahw = adapter->ahw; 1995 u32 fw_cmd = 0; 1996 1997 if (qlcnic_82xx_check(adapter)) 1998 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 1999 else if (qlcnic_83xx_check(adapter)) 2000 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2001 2002 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) && 2003 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)) 2004 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2005 } 2006 2007 static int 2008 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2009 { 2010 struct net_device *netdev = NULL; 2011 struct qlcnic_adapter *adapter = NULL; 2012 struct qlcnic_hardware_context *ahw; 2013 int err, pci_using_dac = -1; 2014 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2015 2016 if (pdev->is_virtfn) 2017 return -ENODEV; 2018 2019 err = pci_enable_device(pdev); 2020 if (err) 2021 return err; 2022 2023 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2024 err = -ENODEV; 2025 goto err_out_disable_pdev; 2026 } 2027 2028 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2029 if (err) 2030 goto err_out_disable_pdev; 2031 2032 err = pci_request_regions(pdev, qlcnic_driver_name); 2033 if (err) 2034 goto err_out_disable_pdev; 2035 2036 pci_set_master(pdev); 2037 pci_enable_pcie_error_reporting(pdev); 2038 2039 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2040 if (!ahw) { 2041 err = -ENOMEM; 2042 goto err_out_free_res; 2043 } 2044 2045 switch (ent->device) { 2046 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2047 ahw->hw_ops = &qlcnic_hw_ops; 2048 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2049 break; 2050 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2051 qlcnic_83xx_register_map(ahw); 2052 break; 2053 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2054 qlcnic_sriov_vf_register_map(ahw); 2055 break; 2056 default: 2057 goto err_out_free_hw_res; 2058 } 2059 2060 err = qlcnic_setup_pci_map(pdev, ahw); 2061 if (err) 2062 goto err_out_free_hw_res; 2063 2064 netdev = alloc_etherdev(sizeof(struct qlcnic_adapter)); 2065 if (!netdev) { 2066 err = -ENOMEM; 2067 goto err_out_iounmap; 2068 } 2069 2070 SET_NETDEV_DEV(netdev, &pdev->dev); 2071 2072 adapter = netdev_priv(netdev); 2073 adapter->netdev = netdev; 2074 adapter->pdev = pdev; 2075 adapter->ahw = ahw; 2076 2077 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2078 if (adapter->qlcnic_wq == NULL) { 2079 err = -ENOMEM; 2080 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2081 goto err_out_free_netdev; 2082 } 2083 2084 err = qlcnic_alloc_adapter_resources(adapter); 2085 if (err) 2086 goto err_out_free_netdev; 2087 2088 adapter->dev_rst_time = jiffies; 2089 adapter->ahw->revision_id = pdev->revision; 2090 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2091 adapter->fdb_mac_learn = true; 2092 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2093 adapter->drv_mac_learn = true; 2094 adapter->max_drv_tx_rings = 1; 2095 2096 rwlock_init(&adapter->ahw->crb_lock); 2097 mutex_init(&adapter->ahw->mem_lock); 2098 2099 spin_lock_init(&adapter->tx_clean_lock); 2100 INIT_LIST_HEAD(&adapter->mac_list); 2101 2102 if (qlcnic_82xx_check(adapter)) { 2103 qlcnic_check_vf(adapter, ent); 2104 adapter->portnum = adapter->ahw->pci_func; 2105 err = qlcnic_start_firmware(adapter); 2106 if (err) { 2107 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); 2108 goto err_out_free_hw; 2109 } 2110 2111 err = qlcnic_setup_idc_param(adapter); 2112 if (err) 2113 goto err_out_free_hw; 2114 2115 adapter->flags |= QLCNIC_NEED_FLR; 2116 } else if (qlcnic_83xx_check(adapter)) { 2117 qlcnic_83xx_check_vf(adapter, ent); 2118 adapter->portnum = adapter->ahw->pci_func; 2119 err = qlcnic_83xx_init(adapter, pci_using_dac); 2120 if (err) { 2121 dev_err(&pdev->dev, "%s: failed\n", __func__); 2122 goto err_out_free_hw; 2123 } 2124 if (qlcnic_sriov_vf_check(adapter)) 2125 return 0; 2126 } else { 2127 dev_err(&pdev->dev, 2128 "%s: failed. Please Reboot\n", __func__); 2129 goto err_out_free_hw; 2130 } 2131 2132 if (qlcnic_read_mac_addr(adapter)) 2133 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2134 2135 if (adapter->portnum == 0) { 2136 qlcnic_get_board_name(adapter, board_name); 2137 2138 pr_info("%s: %s Board Chip rev 0x%x\n", 2139 module_name(THIS_MODULE), 2140 board_name, adapter->ahw->revision_id); 2141 } 2142 2143 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2144 !!qlcnic_use_msi) 2145 dev_warn(&pdev->dev, 2146 "Device does not support MSI interrupts\n"); 2147 2148 err = qlcnic_setup_intr(adapter, 0); 2149 if (err) { 2150 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2151 goto err_out_disable_msi; 2152 } 2153 2154 if (qlcnic_83xx_check(adapter)) { 2155 err = qlcnic_83xx_setup_mbx_intr(adapter); 2156 if (err) 2157 goto err_out_disable_msi; 2158 } 2159 2160 err = qlcnic_get_act_pci_func(adapter); 2161 if (err) 2162 goto err_out_disable_mbx_intr; 2163 2164 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2165 if (err) 2166 goto err_out_disable_mbx_intr; 2167 2168 if (adapter->portnum == 0) 2169 qlcnic_set_drv_version(adapter); 2170 2171 pci_set_drvdata(pdev, adapter); 2172 2173 if (qlcnic_82xx_check(adapter)) 2174 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2175 FW_POLL_DELAY); 2176 2177 switch (adapter->ahw->port_type) { 2178 case QLCNIC_GBE: 2179 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2180 adapter->netdev->name); 2181 break; 2182 case QLCNIC_XGBE: 2183 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2184 adapter->netdev->name); 2185 break; 2186 } 2187 2188 if (adapter->drv_mac_learn) 2189 qlcnic_alloc_lb_filters_mem(adapter); 2190 2191 qlcnic_add_sysfs(adapter); 2192 2193 return 0; 2194 2195 err_out_disable_mbx_intr: 2196 if (qlcnic_83xx_check(adapter)) 2197 qlcnic_83xx_free_mbx_intr(adapter); 2198 2199 err_out_disable_msi: 2200 qlcnic_teardown_intr(adapter); 2201 qlcnic_cancel_idc_work(adapter); 2202 qlcnic_clr_all_drv_state(adapter, 0); 2203 2204 err_out_free_hw: 2205 qlcnic_free_adapter_resources(adapter); 2206 2207 err_out_free_netdev: 2208 free_netdev(netdev); 2209 2210 err_out_iounmap: 2211 qlcnic_cleanup_pci_map(ahw); 2212 2213 err_out_free_hw_res: 2214 kfree(ahw); 2215 2216 err_out_free_res: 2217 pci_release_regions(pdev); 2218 2219 err_out_disable_pdev: 2220 pci_set_drvdata(pdev, NULL); 2221 pci_disable_device(pdev); 2222 return err; 2223 } 2224 2225 static void qlcnic_remove(struct pci_dev *pdev) 2226 { 2227 struct qlcnic_adapter *adapter; 2228 struct net_device *netdev; 2229 struct qlcnic_hardware_context *ahw; 2230 2231 adapter = pci_get_drvdata(pdev); 2232 if (adapter == NULL) 2233 return; 2234 2235 netdev = adapter->netdev; 2236 qlcnic_sriov_pf_disable(adapter); 2237 2238 qlcnic_cancel_idc_work(adapter); 2239 ahw = adapter->ahw; 2240 2241 unregister_netdev(netdev); 2242 qlcnic_sriov_cleanup(adapter); 2243 2244 if (qlcnic_83xx_check(adapter)) { 2245 qlcnic_83xx_free_mbx_intr(adapter); 2246 qlcnic_83xx_register_nic_idc_func(adapter, 0); 2247 cancel_delayed_work_sync(&adapter->idc_aen_work); 2248 } 2249 2250 qlcnic_detach(adapter); 2251 2252 if (adapter->npars != NULL) 2253 kfree(adapter->npars); 2254 if (adapter->eswitch != NULL) 2255 kfree(adapter->eswitch); 2256 2257 if (qlcnic_82xx_check(adapter)) 2258 qlcnic_clr_all_drv_state(adapter, 0); 2259 2260 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2261 2262 qlcnic_free_lb_filters_mem(adapter); 2263 2264 qlcnic_teardown_intr(adapter); 2265 2266 qlcnic_remove_sysfs(adapter); 2267 2268 qlcnic_cleanup_pci_map(adapter->ahw); 2269 2270 qlcnic_release_firmware(adapter); 2271 2272 pci_disable_pcie_error_reporting(pdev); 2273 pci_release_regions(pdev); 2274 pci_disable_device(pdev); 2275 pci_set_drvdata(pdev, NULL); 2276 2277 if (adapter->qlcnic_wq) { 2278 destroy_workqueue(adapter->qlcnic_wq); 2279 adapter->qlcnic_wq = NULL; 2280 } 2281 qlcnic_free_adapter_resources(adapter); 2282 kfree(ahw); 2283 free_netdev(netdev); 2284 } 2285 2286 static void qlcnic_shutdown(struct pci_dev *pdev) 2287 { 2288 if (__qlcnic_shutdown(pdev)) 2289 return; 2290 2291 pci_disable_device(pdev); 2292 } 2293 2294 #ifdef CONFIG_PM 2295 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2296 { 2297 int retval; 2298 2299 retval = __qlcnic_shutdown(pdev); 2300 if (retval) 2301 return retval; 2302 2303 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2304 return 0; 2305 } 2306 2307 static int qlcnic_resume(struct pci_dev *pdev) 2308 { 2309 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2310 int err; 2311 2312 err = pci_enable_device(pdev); 2313 if (err) 2314 return err; 2315 2316 pci_set_power_state(pdev, PCI_D0); 2317 pci_set_master(pdev); 2318 pci_restore_state(pdev); 2319 2320 return __qlcnic_resume(adapter); 2321 } 2322 #endif 2323 2324 static int qlcnic_open(struct net_device *netdev) 2325 { 2326 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2327 int err; 2328 2329 netif_carrier_off(netdev); 2330 2331 err = qlcnic_attach(adapter); 2332 if (err) 2333 return err; 2334 2335 err = __qlcnic_up(adapter, netdev); 2336 if (err) 2337 goto err_out; 2338 2339 netif_start_queue(netdev); 2340 2341 return 0; 2342 2343 err_out: 2344 qlcnic_detach(adapter); 2345 return err; 2346 } 2347 2348 /* 2349 * qlcnic_close - Disables a network interface entry point 2350 */ 2351 static int qlcnic_close(struct net_device *netdev) 2352 { 2353 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2354 2355 __qlcnic_down(adapter, netdev); 2356 2357 return 0; 2358 } 2359 2360 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2361 { 2362 void *head; 2363 int i; 2364 struct net_device *netdev = adapter->netdev; 2365 u32 filter_size = 0; 2366 u16 act_pci_func = 0; 2367 2368 if (adapter->fhash.fmax && adapter->fhash.fhead) 2369 return; 2370 2371 act_pci_func = adapter->ahw->act_pci_func; 2372 spin_lock_init(&adapter->mac_learn_lock); 2373 spin_lock_init(&adapter->rx_mac_learn_lock); 2374 2375 if (qlcnic_82xx_check(adapter)) { 2376 filter_size = QLCNIC_LB_MAX_FILTERS; 2377 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2378 } else { 2379 filter_size = QLC_83XX_LB_MAX_FILTERS; 2380 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2381 } 2382 2383 head = kcalloc(adapter->fhash.fbucket_size, 2384 sizeof(struct hlist_head), GFP_ATOMIC); 2385 2386 if (!head) 2387 return; 2388 2389 adapter->fhash.fmax = (filter_size / act_pci_func); 2390 adapter->fhash.fhead = head; 2391 2392 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2393 act_pci_func, adapter->fhash.fmax); 2394 2395 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2396 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2397 2398 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2399 2400 head = kcalloc(adapter->rx_fhash.fbucket_size, 2401 sizeof(struct hlist_head), GFP_ATOMIC); 2402 2403 if (!head) 2404 return; 2405 2406 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2407 adapter->rx_fhash.fhead = head; 2408 2409 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2410 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2411 } 2412 2413 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2414 { 2415 if (adapter->fhash.fmax && adapter->fhash.fhead) 2416 kfree(adapter->fhash.fhead); 2417 2418 adapter->fhash.fhead = NULL; 2419 adapter->fhash.fmax = 0; 2420 2421 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 2422 kfree(adapter->rx_fhash.fhead); 2423 2424 adapter->rx_fhash.fmax = 0; 2425 adapter->rx_fhash.fhead = NULL; 2426 } 2427 2428 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2429 { 2430 struct net_device *netdev = adapter->netdev; 2431 u32 temp_state, temp_val, temp = 0; 2432 int rv = 0; 2433 2434 if (qlcnic_83xx_check(adapter)) 2435 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2436 2437 if (qlcnic_82xx_check(adapter)) 2438 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2439 2440 temp_state = qlcnic_get_temp_state(temp); 2441 temp_val = qlcnic_get_temp_val(temp); 2442 2443 if (temp_state == QLCNIC_TEMP_PANIC) { 2444 dev_err(&netdev->dev, 2445 "Device temperature %d degrees C exceeds" 2446 " maximum allowed. Hardware has been shut down.\n", 2447 temp_val); 2448 rv = 1; 2449 } else if (temp_state == QLCNIC_TEMP_WARN) { 2450 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2451 dev_err(&netdev->dev, 2452 "Device temperature %d degrees C " 2453 "exceeds operating range." 2454 " Immediate action needed.\n", 2455 temp_val); 2456 } 2457 } else { 2458 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2459 dev_info(&netdev->dev, 2460 "Device temperature is now %d degrees C" 2461 " in normal range.\n", temp_val); 2462 } 2463 } 2464 adapter->ahw->temp = temp_state; 2465 return rv; 2466 } 2467 2468 static void qlcnic_tx_timeout(struct net_device *netdev) 2469 { 2470 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2471 2472 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 2473 return; 2474 2475 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) { 2476 netdev_info(netdev, "Tx timeout, reset the adapter.\n"); 2477 if (qlcnic_82xx_check(adapter)) 2478 adapter->need_fw_reset = 1; 2479 else if (qlcnic_83xx_check(adapter)) 2480 qlcnic_83xx_idc_request_reset(adapter, 2481 QLCNIC_FORCE_FW_DUMP_KEY); 2482 } else { 2483 netdev_info(netdev, "Tx timeout, reset adapter context.\n"); 2484 adapter->ahw->reset_context = 1; 2485 } 2486 } 2487 2488 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 2489 { 2490 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2491 struct net_device_stats *stats = &netdev->stats; 2492 2493 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 2494 stats->tx_packets = adapter->stats.xmitfinished; 2495 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 2496 stats->tx_bytes = adapter->stats.txbytes; 2497 stats->rx_dropped = adapter->stats.rxdropped; 2498 stats->tx_dropped = adapter->stats.txdropped; 2499 2500 return stats; 2501 } 2502 2503 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 2504 { 2505 u32 status; 2506 2507 status = readl(adapter->isr_int_vec); 2508 2509 if (!(status & adapter->ahw->int_vec_bit)) 2510 return IRQ_NONE; 2511 2512 /* check interrupt state machine, to be sure */ 2513 status = readl(adapter->crb_int_state_reg); 2514 if (!ISR_LEGACY_INT_TRIGGERED(status)) 2515 return IRQ_NONE; 2516 2517 writel(0xffffffff, adapter->tgt_status_reg); 2518 /* read twice to ensure write is flushed */ 2519 readl(adapter->isr_int_vec); 2520 readl(adapter->isr_int_vec); 2521 2522 return IRQ_HANDLED; 2523 } 2524 2525 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 2526 { 2527 struct qlcnic_host_sds_ring *sds_ring = data; 2528 struct qlcnic_adapter *adapter = sds_ring->adapter; 2529 2530 if (adapter->flags & QLCNIC_MSIX_ENABLED) 2531 goto done; 2532 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 2533 writel(0xffffffff, adapter->tgt_status_reg); 2534 goto done; 2535 } 2536 2537 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2538 return IRQ_NONE; 2539 2540 done: 2541 adapter->ahw->diag_cnt++; 2542 qlcnic_enable_int(sds_ring); 2543 return IRQ_HANDLED; 2544 } 2545 2546 static irqreturn_t qlcnic_intr(int irq, void *data) 2547 { 2548 struct qlcnic_host_sds_ring *sds_ring = data; 2549 struct qlcnic_adapter *adapter = sds_ring->adapter; 2550 2551 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2552 return IRQ_NONE; 2553 2554 napi_schedule(&sds_ring->napi); 2555 2556 return IRQ_HANDLED; 2557 } 2558 2559 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 2560 { 2561 struct qlcnic_host_sds_ring *sds_ring = data; 2562 struct qlcnic_adapter *adapter = sds_ring->adapter; 2563 2564 /* clear interrupt */ 2565 writel(0xffffffff, adapter->tgt_status_reg); 2566 2567 napi_schedule(&sds_ring->napi); 2568 return IRQ_HANDLED; 2569 } 2570 2571 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 2572 { 2573 struct qlcnic_host_sds_ring *sds_ring = data; 2574 2575 napi_schedule(&sds_ring->napi); 2576 return IRQ_HANDLED; 2577 } 2578 2579 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 2580 { 2581 struct qlcnic_host_tx_ring *tx_ring = data; 2582 2583 napi_schedule(&tx_ring->napi); 2584 return IRQ_HANDLED; 2585 } 2586 2587 #ifdef CONFIG_NET_POLL_CONTROLLER 2588 static void qlcnic_poll_controller(struct net_device *netdev) 2589 { 2590 int ring; 2591 struct qlcnic_host_sds_ring *sds_ring; 2592 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2593 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2594 2595 disable_irq(adapter->irq); 2596 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 2597 sds_ring = &recv_ctx->sds_rings[ring]; 2598 qlcnic_intr(adapter->irq, sds_ring); 2599 } 2600 enable_irq(adapter->irq); 2601 } 2602 #endif 2603 2604 static void 2605 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 2606 { 2607 u32 val; 2608 2609 val = adapter->portnum & 0xf; 2610 val |= encoding << 7; 2611 val |= (jiffies - adapter->dev_rst_time) << 8; 2612 2613 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 2614 adapter->dev_rst_time = jiffies; 2615 } 2616 2617 static int 2618 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 2619 { 2620 u32 val; 2621 2622 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 2623 state != QLCNIC_DEV_NEED_QUISCENT); 2624 2625 if (qlcnic_api_lock(adapter)) 2626 return -EIO; 2627 2628 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2629 2630 if (state == QLCNIC_DEV_NEED_RESET) 2631 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2632 else if (state == QLCNIC_DEV_NEED_QUISCENT) 2633 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 2634 2635 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2636 2637 qlcnic_api_unlock(adapter); 2638 2639 return 0; 2640 } 2641 2642 static int 2643 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 2644 { 2645 u32 val; 2646 2647 if (qlcnic_api_lock(adapter)) 2648 return -EBUSY; 2649 2650 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2651 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2652 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2653 2654 qlcnic_api_unlock(adapter); 2655 2656 return 0; 2657 } 2658 2659 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 2660 { 2661 u32 val; 2662 2663 if (qlcnic_api_lock(adapter)) 2664 goto err; 2665 2666 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2667 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 2668 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2669 2670 if (failed) { 2671 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2672 QLCNIC_DEV_FAILED); 2673 dev_info(&adapter->pdev->dev, 2674 "Device state set to Failed. Please Reboot\n"); 2675 } else if (!(val & 0x11111111)) 2676 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2677 QLCNIC_DEV_COLD); 2678 2679 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2680 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2681 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2682 2683 qlcnic_api_unlock(adapter); 2684 err: 2685 adapter->fw_fail_cnt = 0; 2686 adapter->flags &= ~QLCNIC_FW_HANG; 2687 clear_bit(__QLCNIC_START_FW, &adapter->state); 2688 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2689 } 2690 2691 /* Grab api lock, before checking state */ 2692 static int 2693 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 2694 { 2695 int act, state, active_mask; 2696 struct qlcnic_hardware_context *ahw = adapter->ahw; 2697 2698 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2699 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2700 2701 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 2702 active_mask = (~(1 << (ahw->pci_func * 4))); 2703 act = act & active_mask; 2704 } 2705 2706 if (((state & 0x11111111) == (act & 0x11111111)) || 2707 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 2708 return 0; 2709 else 2710 return 1; 2711 } 2712 2713 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 2714 { 2715 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 2716 2717 if (val != QLCNIC_DRV_IDC_VER) { 2718 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 2719 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 2720 } 2721 2722 return 0; 2723 } 2724 2725 static int 2726 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 2727 { 2728 u32 val, prev_state; 2729 u8 dev_init_timeo = adapter->dev_init_timeo; 2730 u8 portnum = adapter->portnum; 2731 u8 ret; 2732 2733 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 2734 return 1; 2735 2736 if (qlcnic_api_lock(adapter)) 2737 return -1; 2738 2739 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2740 if (!(val & (1 << (portnum * 4)))) { 2741 QLC_DEV_SET_REF_CNT(val, portnum); 2742 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2743 } 2744 2745 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2746 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 2747 2748 switch (prev_state) { 2749 case QLCNIC_DEV_COLD: 2750 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2751 QLCNIC_DEV_INITIALIZING); 2752 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 2753 QLCNIC_DRV_IDC_VER); 2754 qlcnic_idc_debug_info(adapter, 0); 2755 qlcnic_api_unlock(adapter); 2756 return 1; 2757 2758 case QLCNIC_DEV_READY: 2759 ret = qlcnic_check_idc_ver(adapter); 2760 qlcnic_api_unlock(adapter); 2761 return ret; 2762 2763 case QLCNIC_DEV_NEED_RESET: 2764 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2765 QLC_DEV_SET_RST_RDY(val, portnum); 2766 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2767 break; 2768 2769 case QLCNIC_DEV_NEED_QUISCENT: 2770 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2771 QLC_DEV_SET_QSCNT_RDY(val, portnum); 2772 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2773 break; 2774 2775 case QLCNIC_DEV_FAILED: 2776 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 2777 qlcnic_api_unlock(adapter); 2778 return -1; 2779 2780 case QLCNIC_DEV_INITIALIZING: 2781 case QLCNIC_DEV_QUISCENT: 2782 break; 2783 } 2784 2785 qlcnic_api_unlock(adapter); 2786 2787 do { 2788 msleep(1000); 2789 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2790 2791 if (prev_state == QLCNIC_DEV_QUISCENT) 2792 continue; 2793 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 2794 2795 if (!dev_init_timeo) { 2796 dev_err(&adapter->pdev->dev, 2797 "Waiting for device to initialize timeout\n"); 2798 return -1; 2799 } 2800 2801 if (qlcnic_api_lock(adapter)) 2802 return -1; 2803 2804 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2805 QLC_DEV_CLR_RST_QSCNT(val, portnum); 2806 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2807 2808 ret = qlcnic_check_idc_ver(adapter); 2809 qlcnic_api_unlock(adapter); 2810 2811 return ret; 2812 } 2813 2814 static void 2815 qlcnic_fwinit_work(struct work_struct *work) 2816 { 2817 struct qlcnic_adapter *adapter = container_of(work, 2818 struct qlcnic_adapter, fw_work.work); 2819 u32 dev_state = 0xf; 2820 u32 val; 2821 2822 if (qlcnic_api_lock(adapter)) 2823 goto err_ret; 2824 2825 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2826 if (dev_state == QLCNIC_DEV_QUISCENT || 2827 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 2828 qlcnic_api_unlock(adapter); 2829 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 2830 FW_POLL_DELAY * 2); 2831 return; 2832 } 2833 2834 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 2835 qlcnic_api_unlock(adapter); 2836 goto wait_npar; 2837 } 2838 2839 if (dev_state == QLCNIC_DEV_INITIALIZING || 2840 dev_state == QLCNIC_DEV_READY) { 2841 dev_info(&adapter->pdev->dev, "Detected state change from " 2842 "DEV_NEED_RESET, skipping ack check\n"); 2843 goto skip_ack_check; 2844 } 2845 2846 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 2847 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 2848 adapter->reset_ack_timeo); 2849 goto skip_ack_check; 2850 } 2851 2852 if (!qlcnic_check_drv_state(adapter)) { 2853 skip_ack_check: 2854 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2855 2856 if (dev_state == QLCNIC_DEV_NEED_RESET) { 2857 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2858 QLCNIC_DEV_INITIALIZING); 2859 set_bit(__QLCNIC_START_FW, &adapter->state); 2860 QLCDB(adapter, DRV, "Restarting fw\n"); 2861 qlcnic_idc_debug_info(adapter, 0); 2862 val = QLC_SHARED_REG_RD32(adapter, 2863 QLCNIC_CRB_DRV_STATE); 2864 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2865 QLC_SHARED_REG_WR32(adapter, 2866 QLCNIC_CRB_DRV_STATE, val); 2867 } 2868 2869 qlcnic_api_unlock(adapter); 2870 2871 rtnl_lock(); 2872 if (adapter->ahw->fw_dump.enable && 2873 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 2874 QLCDB(adapter, DRV, "Take FW dump\n"); 2875 qlcnic_dump_fw(adapter); 2876 adapter->flags |= QLCNIC_FW_HANG; 2877 } 2878 rtnl_unlock(); 2879 2880 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 2881 if (!adapter->nic_ops->start_firmware(adapter)) { 2882 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 2883 adapter->fw_wait_cnt = 0; 2884 return; 2885 } 2886 goto err_ret; 2887 } 2888 2889 qlcnic_api_unlock(adapter); 2890 2891 wait_npar: 2892 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2893 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 2894 2895 switch (dev_state) { 2896 case QLCNIC_DEV_READY: 2897 if (!qlcnic_start_firmware(adapter)) { 2898 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 2899 adapter->fw_wait_cnt = 0; 2900 return; 2901 } 2902 case QLCNIC_DEV_FAILED: 2903 break; 2904 default: 2905 qlcnic_schedule_work(adapter, 2906 qlcnic_fwinit_work, FW_POLL_DELAY); 2907 return; 2908 } 2909 2910 err_ret: 2911 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 2912 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 2913 netif_device_attach(adapter->netdev); 2914 qlcnic_clr_all_drv_state(adapter, 0); 2915 } 2916 2917 static void 2918 qlcnic_detach_work(struct work_struct *work) 2919 { 2920 struct qlcnic_adapter *adapter = container_of(work, 2921 struct qlcnic_adapter, fw_work.work); 2922 struct net_device *netdev = adapter->netdev; 2923 u32 status; 2924 2925 netif_device_detach(netdev); 2926 2927 /* Dont grab rtnl lock during Quiscent mode */ 2928 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 2929 if (netif_running(netdev)) 2930 __qlcnic_down(adapter, netdev); 2931 } else 2932 qlcnic_down(adapter, netdev); 2933 2934 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 2935 2936 if (status & QLCNIC_RCODE_FATAL_ERROR) { 2937 dev_err(&adapter->pdev->dev, 2938 "Detaching the device: peg halt status1=0x%x\n", 2939 status); 2940 2941 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 2942 dev_err(&adapter->pdev->dev, 2943 "On board active cooling fan failed. " 2944 "Device has been halted.\n"); 2945 dev_err(&adapter->pdev->dev, 2946 "Replace the adapter.\n"); 2947 } 2948 2949 goto err_ret; 2950 } 2951 2952 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 2953 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 2954 adapter->ahw->temp); 2955 goto err_ret; 2956 } 2957 2958 /* Dont ack if this instance is the reset owner */ 2959 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 2960 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 2961 dev_err(&adapter->pdev->dev, 2962 "Failed to set driver state," 2963 "detaching the device.\n"); 2964 goto err_ret; 2965 } 2966 } 2967 2968 adapter->fw_wait_cnt = 0; 2969 2970 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 2971 2972 return; 2973 2974 err_ret: 2975 netif_device_attach(netdev); 2976 qlcnic_clr_all_drv_state(adapter, 1); 2977 } 2978 2979 /*Transit NPAR state to NON Operational */ 2980 static void 2981 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 2982 { 2983 u32 state; 2984 2985 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 2986 if (state == QLCNIC_DEV_NPAR_NON_OPER) 2987 return; 2988 2989 if (qlcnic_api_lock(adapter)) 2990 return; 2991 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 2992 QLCNIC_DEV_NPAR_NON_OPER); 2993 qlcnic_api_unlock(adapter); 2994 } 2995 2996 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key) 2997 { 2998 u32 state, xg_val = 0, gb_val = 0; 2999 3000 qlcnic_xg_set_xg0_mask(xg_val); 3001 qlcnic_xg_set_xg1_mask(xg_val); 3002 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3003 qlcnic_gb_set_gb0_mask(gb_val); 3004 qlcnic_gb_set_gb1_mask(gb_val); 3005 qlcnic_gb_set_gb2_mask(gb_val); 3006 qlcnic_gb_set_gb3_mask(gb_val); 3007 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3008 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3009 " on all ports\n"); 3010 adapter->need_fw_reset = 1; 3011 3012 if (qlcnic_api_lock(adapter)) 3013 return; 3014 3015 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3016 3017 if (state == QLCNIC_DEV_READY) { 3018 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3019 QLCNIC_DEV_NEED_RESET); 3020 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3021 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3022 qlcnic_idc_debug_info(adapter, 0); 3023 } 3024 3025 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3026 QLCNIC_DEV_NPAR_NON_OPER); 3027 qlcnic_api_unlock(adapter); 3028 } 3029 3030 /* Transit to NPAR READY state from NPAR NOT READY state */ 3031 static void 3032 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3033 { 3034 if (qlcnic_api_lock(adapter)) 3035 return; 3036 3037 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3038 QLCNIC_DEV_NPAR_OPER); 3039 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3040 3041 qlcnic_api_unlock(adapter); 3042 } 3043 3044 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3045 work_func_t func, int delay) 3046 { 3047 if (test_bit(__QLCNIC_AER, &adapter->state)) 3048 return; 3049 3050 INIT_DELAYED_WORK(&adapter->fw_work, func); 3051 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3052 round_jiffies_relative(delay)); 3053 } 3054 3055 static void 3056 qlcnic_attach_work(struct work_struct *work) 3057 { 3058 struct qlcnic_adapter *adapter = container_of(work, 3059 struct qlcnic_adapter, fw_work.work); 3060 struct net_device *netdev = adapter->netdev; 3061 u32 npar_state; 3062 3063 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3064 npar_state = QLC_SHARED_REG_RD32(adapter, 3065 QLCNIC_CRB_DEV_NPAR_STATE); 3066 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3067 qlcnic_clr_all_drv_state(adapter, 0); 3068 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3069 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3070 FW_POLL_DELAY); 3071 else 3072 goto attach; 3073 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3074 return; 3075 } 3076 attach: 3077 if (netif_running(netdev)) { 3078 if (qlcnic_up(adapter, netdev)) 3079 goto done; 3080 3081 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3082 } 3083 3084 done: 3085 netif_device_attach(netdev); 3086 adapter->fw_fail_cnt = 0; 3087 adapter->flags &= ~QLCNIC_FW_HANG; 3088 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3089 if (adapter->portnum == 0) 3090 qlcnic_set_drv_version(adapter); 3091 3092 if (!qlcnic_clr_drv_state(adapter)) 3093 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3094 FW_POLL_DELAY); 3095 } 3096 3097 static int 3098 qlcnic_check_health(struct qlcnic_adapter *adapter) 3099 { 3100 u32 state = 0, heartbeat; 3101 u32 peg_status; 3102 int err = 0; 3103 3104 if (qlcnic_check_temp(adapter)) 3105 goto detach; 3106 3107 if (adapter->need_fw_reset) 3108 qlcnic_dev_request_reset(adapter, 0); 3109 3110 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3111 if (state == QLCNIC_DEV_NEED_RESET) { 3112 qlcnic_set_npar_non_operational(adapter); 3113 adapter->need_fw_reset = 1; 3114 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3115 goto detach; 3116 3117 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3118 if (heartbeat != adapter->heartbeat) { 3119 adapter->heartbeat = heartbeat; 3120 adapter->fw_fail_cnt = 0; 3121 if (adapter->need_fw_reset) 3122 goto detach; 3123 3124 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) 3125 qlcnic_reset_hw_context(adapter); 3126 3127 return 0; 3128 } 3129 3130 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3131 return 0; 3132 3133 adapter->flags |= QLCNIC_FW_HANG; 3134 3135 qlcnic_dev_request_reset(adapter, 0); 3136 3137 if (qlcnic_auto_fw_reset) 3138 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3139 3140 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3141 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3142 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3143 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3144 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3145 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3146 "PEG_NET_4_PC: 0x%x\n", 3147 peg_status, 3148 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3149 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3150 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3151 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3152 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3153 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3154 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3155 dev_err(&adapter->pdev->dev, 3156 "Firmware aborted with error code 0x00006700. " 3157 "Device is being reset.\n"); 3158 detach: 3159 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3160 QLCNIC_DEV_NEED_RESET; 3161 3162 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3163 &adapter->state)) { 3164 3165 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3166 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3167 } 3168 3169 return 1; 3170 } 3171 3172 void qlcnic_fw_poll_work(struct work_struct *work) 3173 { 3174 struct qlcnic_adapter *adapter = container_of(work, 3175 struct qlcnic_adapter, fw_work.work); 3176 3177 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3178 goto reschedule; 3179 3180 3181 if (qlcnic_check_health(adapter)) 3182 return; 3183 3184 if (adapter->fhash.fnum) 3185 qlcnic_prune_lb_filters(adapter); 3186 3187 reschedule: 3188 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3189 } 3190 3191 static int qlcnic_is_first_func(struct pci_dev *pdev) 3192 { 3193 struct pci_dev *oth_pdev; 3194 int val = pdev->devfn; 3195 3196 while (val-- > 0) { 3197 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3198 (pdev->bus), pdev->bus->number, 3199 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3200 if (!oth_pdev) 3201 continue; 3202 3203 if (oth_pdev->current_state != PCI_D3cold) { 3204 pci_dev_put(oth_pdev); 3205 return 0; 3206 } 3207 pci_dev_put(oth_pdev); 3208 } 3209 return 1; 3210 } 3211 3212 static int qlcnic_attach_func(struct pci_dev *pdev) 3213 { 3214 int err, first_func; 3215 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3216 struct net_device *netdev = adapter->netdev; 3217 3218 pdev->error_state = pci_channel_io_normal; 3219 3220 err = pci_enable_device(pdev); 3221 if (err) 3222 return err; 3223 3224 pci_set_master(pdev); 3225 pci_restore_state(pdev); 3226 3227 first_func = qlcnic_is_first_func(pdev); 3228 3229 if (qlcnic_api_lock(adapter)) 3230 return -EINVAL; 3231 3232 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3233 adapter->need_fw_reset = 1; 3234 set_bit(__QLCNIC_START_FW, &adapter->state); 3235 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3236 QLCNIC_DEV_INITIALIZING); 3237 QLCDB(adapter, DRV, "Restarting fw\n"); 3238 } 3239 qlcnic_api_unlock(adapter); 3240 3241 err = qlcnic_start_firmware(adapter); 3242 if (err) 3243 return err; 3244 3245 qlcnic_clr_drv_state(adapter); 3246 kfree(adapter->msix_entries); 3247 adapter->msix_entries = NULL; 3248 err = qlcnic_setup_intr(adapter, 0); 3249 3250 if (err) { 3251 kfree(adapter->msix_entries); 3252 netdev_err(netdev, "failed to setup interrupt\n"); 3253 return err; 3254 } 3255 3256 if (qlcnic_83xx_check(adapter)) { 3257 /* register for NIC IDC AEN Events */ 3258 qlcnic_83xx_register_nic_idc_func(adapter, 1); 3259 err = qlcnic_83xx_setup_mbx_intr(adapter); 3260 if (err) { 3261 dev_err(&adapter->pdev->dev, 3262 "failed to setup mbx interrupt\n"); 3263 qlcnic_clr_all_drv_state(adapter, 1); 3264 clear_bit(__QLCNIC_AER, &adapter->state); 3265 goto done; 3266 } 3267 } 3268 3269 if (netif_running(netdev)) { 3270 err = qlcnic_attach(adapter); 3271 if (err) { 3272 qlcnic_clr_all_drv_state(adapter, 1); 3273 clear_bit(__QLCNIC_AER, &adapter->state); 3274 netif_device_attach(netdev); 3275 return err; 3276 } 3277 3278 err = qlcnic_up(adapter, netdev); 3279 if (err) 3280 goto done; 3281 3282 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3283 } 3284 done: 3285 netif_device_attach(netdev); 3286 return err; 3287 } 3288 3289 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3290 pci_channel_state_t state) 3291 { 3292 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3293 struct net_device *netdev = adapter->netdev; 3294 3295 if (state == pci_channel_io_perm_failure) 3296 return PCI_ERS_RESULT_DISCONNECT; 3297 3298 if (state == pci_channel_io_normal) 3299 return PCI_ERS_RESULT_RECOVERED; 3300 3301 set_bit(__QLCNIC_AER, &adapter->state); 3302 netif_device_detach(netdev); 3303 3304 cancel_delayed_work_sync(&adapter->fw_work); 3305 3306 if (netif_running(netdev)) 3307 qlcnic_down(adapter, netdev); 3308 3309 if (qlcnic_83xx_check(adapter)) { 3310 qlcnic_83xx_free_mbx_intr(adapter); 3311 qlcnic_83xx_register_nic_idc_func(adapter, 0); 3312 cancel_delayed_work_sync(&adapter->idc_aen_work); 3313 } 3314 3315 qlcnic_detach(adapter); 3316 qlcnic_teardown_intr(adapter); 3317 3318 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3319 3320 pci_save_state(pdev); 3321 pci_disable_device(pdev); 3322 3323 return PCI_ERS_RESULT_NEED_RESET; 3324 } 3325 3326 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3327 { 3328 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3329 PCI_ERS_RESULT_RECOVERED; 3330 } 3331 3332 static void qlcnic_io_resume(struct pci_dev *pdev) 3333 { 3334 u32 state; 3335 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3336 3337 pci_cleanup_aer_uncorrect_error_status(pdev); 3338 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3339 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3340 &adapter->state)) 3341 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3342 FW_POLL_DELAY); 3343 } 3344 3345 static int 3346 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3347 { 3348 int err; 3349 3350 err = qlcnic_can_start_firmware(adapter); 3351 if (err) 3352 return err; 3353 3354 err = qlcnic_check_npar_opertional(adapter); 3355 if (err) 3356 return err; 3357 3358 err = qlcnic_initialize_nic(adapter); 3359 if (err) 3360 return err; 3361 3362 qlcnic_check_options(adapter); 3363 3364 err = qlcnic_set_eswitch_port_config(adapter); 3365 if (err) 3366 return err; 3367 3368 adapter->need_fw_reset = 0; 3369 3370 return err; 3371 } 3372 3373 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter, 3374 __u32 val) 3375 { 3376 struct net_device *netdev = adapter->netdev; 3377 u8 max_hw = adapter->ahw->max_rx_ques; 3378 u32 max_allowed; 3379 3380 if (val > QLC_MAX_SDS_RINGS) { 3381 netdev_err(netdev, "RSS value should not be higher than %u\n", 3382 QLC_MAX_SDS_RINGS); 3383 return -EINVAL; 3384 } 3385 3386 max_allowed = rounddown_pow_of_two(min_t(int, max_hw, 3387 num_online_cpus())); 3388 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) { 3389 if (!is_power_of_2(val)) 3390 netdev_err(netdev, "RSS value should be a power of 2\n"); 3391 3392 if (val < 2) 3393 netdev_err(netdev, "RSS value should not be lower than 2\n"); 3394 3395 if (val > max_hw) 3396 netdev_err(netdev, 3397 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n", 3398 max_hw); 3399 3400 if (val > num_online_cpus()) 3401 netdev_err(netdev, 3402 "RSS value should not be higher than[%u], number of online CPUs in the system\n", 3403 num_online_cpus()); 3404 3405 netdev_err(netdev, "Unable to configure %u RSS rings\n", val); 3406 3407 return -EINVAL; 3408 } 3409 return 0; 3410 } 3411 3412 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len) 3413 { 3414 int err; 3415 struct net_device *netdev = adapter->netdev; 3416 3417 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3418 return -EBUSY; 3419 3420 netif_device_detach(netdev); 3421 if (netif_running(netdev)) 3422 __qlcnic_down(adapter, netdev); 3423 3424 qlcnic_detach(adapter); 3425 3426 if (qlcnic_83xx_check(adapter)) { 3427 qlcnic_83xx_free_mbx_intr(adapter); 3428 qlcnic_83xx_enable_mbx_poll(adapter); 3429 } 3430 3431 qlcnic_teardown_intr(adapter); 3432 err = qlcnic_setup_intr(adapter, data); 3433 if (err) { 3434 kfree(adapter->msix_entries); 3435 netdev_err(netdev, "failed to setup interrupt\n"); 3436 return err; 3437 } 3438 3439 if (qlcnic_83xx_check(adapter)) { 3440 /* register for NIC IDC AEN Events */ 3441 qlcnic_83xx_register_nic_idc_func(adapter, 1); 3442 err = qlcnic_83xx_setup_mbx_intr(adapter); 3443 qlcnic_83xx_disable_mbx_poll(adapter); 3444 if (err) { 3445 dev_err(&adapter->pdev->dev, 3446 "failed to setup mbx interrupt\n"); 3447 goto done; 3448 } 3449 } 3450 3451 if (netif_running(netdev)) { 3452 err = qlcnic_attach(adapter); 3453 if (err) 3454 goto done; 3455 err = __qlcnic_up(adapter, netdev); 3456 if (err) 3457 goto done; 3458 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3459 } 3460 err = len; 3461 done: 3462 netif_device_attach(netdev); 3463 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3464 return err; 3465 } 3466 3467 #ifdef CONFIG_INET 3468 3469 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 3470 3471 static void 3472 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 3473 struct net_device *dev, unsigned long event) 3474 { 3475 struct in_device *indev; 3476 3477 indev = in_dev_get(dev); 3478 if (!indev) 3479 return; 3480 3481 for_ifa(indev) { 3482 switch (event) { 3483 case NETDEV_UP: 3484 qlcnic_config_ipaddr(adapter, 3485 ifa->ifa_address, QLCNIC_IP_UP); 3486 break; 3487 case NETDEV_DOWN: 3488 qlcnic_config_ipaddr(adapter, 3489 ifa->ifa_address, QLCNIC_IP_DOWN); 3490 break; 3491 default: 3492 break; 3493 } 3494 } endfor_ifa(indev); 3495 3496 in_dev_put(indev); 3497 } 3498 3499 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 3500 { 3501 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3502 struct net_device *dev; 3503 u16 vid; 3504 3505 qlcnic_config_indev_addr(adapter, netdev, event); 3506 3507 rcu_read_lock(); 3508 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 3509 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid); 3510 if (!dev) 3511 continue; 3512 qlcnic_config_indev_addr(adapter, dev, event); 3513 } 3514 rcu_read_unlock(); 3515 } 3516 3517 static int qlcnic_netdev_event(struct notifier_block *this, 3518 unsigned long event, void *ptr) 3519 { 3520 struct qlcnic_adapter *adapter; 3521 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 3522 3523 recheck: 3524 if (dev == NULL) 3525 goto done; 3526 3527 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3528 dev = vlan_dev_real_dev(dev); 3529 goto recheck; 3530 } 3531 3532 if (!is_qlcnic_netdev(dev)) 3533 goto done; 3534 3535 adapter = netdev_priv(dev); 3536 3537 if (!adapter) 3538 goto done; 3539 3540 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3541 goto done; 3542 3543 qlcnic_config_indev_addr(adapter, dev, event); 3544 done: 3545 return NOTIFY_DONE; 3546 } 3547 3548 static int 3549 qlcnic_inetaddr_event(struct notifier_block *this, 3550 unsigned long event, void *ptr) 3551 { 3552 struct qlcnic_adapter *adapter; 3553 struct net_device *dev; 3554 3555 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 3556 3557 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 3558 3559 recheck: 3560 if (dev == NULL) 3561 goto done; 3562 3563 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3564 dev = vlan_dev_real_dev(dev); 3565 goto recheck; 3566 } 3567 3568 if (!is_qlcnic_netdev(dev)) 3569 goto done; 3570 3571 adapter = netdev_priv(dev); 3572 3573 if (!adapter) 3574 goto done; 3575 3576 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3577 goto done; 3578 3579 switch (event) { 3580 case NETDEV_UP: 3581 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 3582 3583 break; 3584 case NETDEV_DOWN: 3585 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 3586 3587 break; 3588 default: 3589 break; 3590 } 3591 3592 done: 3593 return NOTIFY_DONE; 3594 } 3595 3596 static struct notifier_block qlcnic_netdev_cb = { 3597 .notifier_call = qlcnic_netdev_event, 3598 }; 3599 3600 static struct notifier_block qlcnic_inetaddr_cb = { 3601 .notifier_call = qlcnic_inetaddr_event, 3602 }; 3603 #else 3604 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 3605 { } 3606 #endif 3607 static const struct pci_error_handlers qlcnic_err_handler = { 3608 .error_detected = qlcnic_io_error_detected, 3609 .slot_reset = qlcnic_io_slot_reset, 3610 .resume = qlcnic_io_resume, 3611 }; 3612 3613 static struct pci_driver qlcnic_driver = { 3614 .name = qlcnic_driver_name, 3615 .id_table = qlcnic_pci_tbl, 3616 .probe = qlcnic_probe, 3617 .remove = qlcnic_remove, 3618 #ifdef CONFIG_PM 3619 .suspend = qlcnic_suspend, 3620 .resume = qlcnic_resume, 3621 #endif 3622 .shutdown = qlcnic_shutdown, 3623 .err_handler = &qlcnic_err_handler, 3624 #ifdef CONFIG_QLCNIC_SRIOV 3625 .sriov_configure = qlcnic_pci_sriov_configure, 3626 #endif 3627 3628 }; 3629 3630 static int __init qlcnic_init_module(void) 3631 { 3632 int ret; 3633 3634 printk(KERN_INFO "%s\n", qlcnic_driver_string); 3635 3636 #ifdef CONFIG_INET 3637 register_netdevice_notifier(&qlcnic_netdev_cb); 3638 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 3639 #endif 3640 3641 ret = pci_register_driver(&qlcnic_driver); 3642 if (ret) { 3643 #ifdef CONFIG_INET 3644 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3645 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3646 #endif 3647 } 3648 3649 return ret; 3650 } 3651 3652 module_init(qlcnic_init_module); 3653 3654 static void __exit qlcnic_exit_module(void) 3655 { 3656 pci_unregister_driver(&qlcnic_driver); 3657 3658 #ifdef CONFIG_INET 3659 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3660 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3661 #endif 3662 } 3663 3664 module_exit(qlcnic_exit_module); 3665