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 #include <linux/swab.h> 11 #include <linux/dma-mapping.h> 12 #include <linux/if_vlan.h> 13 #include <net/ip.h> 14 #include <linux/ipv6.h> 15 #include <linux/inetdevice.h> 16 #include <linux/aer.h> 17 #include <linux/log2.h> 18 #include <linux/pci.h> 19 #include <net/vxlan.h> 20 21 #include "qlcnic.h" 22 #include "qlcnic_sriov.h" 23 #include "qlcnic_hw.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, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)"); 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, unsigned int txqueue); 60 static void qlcnic_attach_work(struct work_struct *work); 61 static void qlcnic_fwinit_work(struct work_struct *work); 62 63 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 64 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 65 66 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 67 static irqreturn_t qlcnic_intr(int irq, void *data); 68 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 69 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 70 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 71 72 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 73 static int qlcnic_start_firmware(struct qlcnic_adapter *); 74 75 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 76 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 77 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 78 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 79 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 80 81 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 82 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 83 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 84 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 85 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 86 static void qlcnic_82xx_io_resume(struct pci_dev *); 87 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 88 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 89 pci_channel_state_t); 90 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 91 { 92 struct qlcnic_hardware_context *ahw = adapter->ahw; 93 94 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 95 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 96 else 97 return 1; 98 } 99 100 /* PCI Device ID Table */ 101 #define ENTRY(device) \ 102 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 103 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 104 105 static const struct pci_device_id qlcnic_pci_tbl[] = { 106 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 107 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 108 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 109 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), 110 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30), 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 112 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 113 {0,} 114 }; 115 116 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 117 118 119 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 120 { 121 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 122 } 123 124 static const u32 msi_tgt_status[8] = { 125 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 126 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 127 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 128 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 129 }; 130 131 static const u32 qlcnic_reg_tbl[] = { 132 0x1B20A8, /* PEG_HALT_STAT1 */ 133 0x1B20AC, /* PEG_HALT_STAT2 */ 134 0x1B20B0, /* FW_HEARTBEAT */ 135 0x1B2100, /* LOCK ID */ 136 0x1B2128, /* FW_CAPABILITIES */ 137 0x1B2138, /* drv active */ 138 0x1B2140, /* dev state */ 139 0x1B2144, /* drv state */ 140 0x1B2148, /* drv scratch */ 141 0x1B214C, /* dev partition info */ 142 0x1B2174, /* drv idc ver */ 143 0x1B2150, /* fw version major */ 144 0x1B2154, /* fw version minor */ 145 0x1B2158, /* fw version sub */ 146 0x1B219C, /* npar state */ 147 0x1B21FC, /* FW_IMG_VALID */ 148 0x1B2250, /* CMD_PEG_STATE */ 149 0x1B233C, /* RCV_PEG_STATE */ 150 0x1B23B4, /* ASIC TEMP */ 151 0x1B216C, /* FW api */ 152 0x1B2170, /* drv op mode */ 153 0x13C010, /* flash lock */ 154 0x13C014, /* flash unlock */ 155 }; 156 157 static const struct qlcnic_board_info qlcnic_boards[] = { 158 { PCI_VENDOR_ID_QLOGIC, 159 PCI_DEVICE_ID_QLOGIC_QLE844X, 160 0x0, 161 0x0, 162 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 163 { PCI_VENDOR_ID_QLOGIC, 164 PCI_DEVICE_ID_QLOGIC_QLE834X, 165 PCI_VENDOR_ID_QLOGIC, 166 0x24e, 167 "8300 Series Dual Port 10GbE Converged Network Adapter " 168 "(TCP/IP Networking)" }, 169 { PCI_VENDOR_ID_QLOGIC, 170 PCI_DEVICE_ID_QLOGIC_QLE834X, 171 PCI_VENDOR_ID_QLOGIC, 172 0x243, 173 "8300 Series Single Port 10GbE Converged Network Adapter " 174 "(TCP/IP Networking)" }, 175 { PCI_VENDOR_ID_QLOGIC, 176 PCI_DEVICE_ID_QLOGIC_QLE834X, 177 PCI_VENDOR_ID_QLOGIC, 178 0x24a, 179 "8300 Series Dual Port 10GbE Converged Network Adapter " 180 "(TCP/IP Networking)" }, 181 { PCI_VENDOR_ID_QLOGIC, 182 PCI_DEVICE_ID_QLOGIC_QLE834X, 183 PCI_VENDOR_ID_QLOGIC, 184 0x246, 185 "8300 Series Dual Port 10GbE Converged Network Adapter " 186 "(TCP/IP Networking)" }, 187 { PCI_VENDOR_ID_QLOGIC, 188 PCI_DEVICE_ID_QLOGIC_QLE834X, 189 PCI_VENDOR_ID_QLOGIC, 190 0x252, 191 "8300 Series Dual Port 10GbE Converged Network Adapter " 192 "(TCP/IP Networking)" }, 193 { PCI_VENDOR_ID_QLOGIC, 194 PCI_DEVICE_ID_QLOGIC_QLE834X, 195 PCI_VENDOR_ID_QLOGIC, 196 0x26e, 197 "8300 Series Dual Port 10GbE Converged Network Adapter " 198 "(TCP/IP Networking)" }, 199 { PCI_VENDOR_ID_QLOGIC, 200 PCI_DEVICE_ID_QLOGIC_QLE834X, 201 PCI_VENDOR_ID_QLOGIC, 202 0x260, 203 "8300 Series Dual Port 10GbE Converged Network Adapter " 204 "(TCP/IP Networking)" }, 205 { PCI_VENDOR_ID_QLOGIC, 206 PCI_DEVICE_ID_QLOGIC_QLE834X, 207 PCI_VENDOR_ID_QLOGIC, 208 0x266, 209 "8300 Series Single Port 10GbE Converged Network Adapter " 210 "(TCP/IP Networking)" }, 211 { PCI_VENDOR_ID_QLOGIC, 212 PCI_DEVICE_ID_QLOGIC_QLE834X, 213 PCI_VENDOR_ID_QLOGIC, 214 0x269, 215 "8300 Series Dual Port 10GbE Converged Network Adapter " 216 "(TCP/IP Networking)" }, 217 { PCI_VENDOR_ID_QLOGIC, 218 PCI_DEVICE_ID_QLOGIC_QLE834X, 219 PCI_VENDOR_ID_QLOGIC, 220 0x271, 221 "8300 Series Dual Port 10GbE Converged Network Adapter " 222 "(TCP/IP Networking)" }, 223 { PCI_VENDOR_ID_QLOGIC, 224 PCI_DEVICE_ID_QLOGIC_QLE834X, 225 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 226 { PCI_VENDOR_ID_QLOGIC, 227 PCI_DEVICE_ID_QLOGIC_QLE8830, 228 0x0, 229 0x0, 230 "8830 Series 1/10GbE Controller" }, 231 { PCI_VENDOR_ID_QLOGIC, 232 PCI_DEVICE_ID_QLOGIC_QLE824X, 233 PCI_VENDOR_ID_QLOGIC, 234 0x203, 235 "8200 Series Single Port 10GbE Converged Network Adapter" 236 "(TCP/IP Networking)" }, 237 { PCI_VENDOR_ID_QLOGIC, 238 PCI_DEVICE_ID_QLOGIC_QLE824X, 239 PCI_VENDOR_ID_QLOGIC, 240 0x207, 241 "8200 Series Dual Port 10GbE Converged Network Adapter" 242 "(TCP/IP Networking)" }, 243 { PCI_VENDOR_ID_QLOGIC, 244 PCI_DEVICE_ID_QLOGIC_QLE824X, 245 PCI_VENDOR_ID_QLOGIC, 246 0x20b, 247 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 248 { PCI_VENDOR_ID_QLOGIC, 249 PCI_DEVICE_ID_QLOGIC_QLE824X, 250 PCI_VENDOR_ID_QLOGIC, 251 0x20c, 252 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 253 { PCI_VENDOR_ID_QLOGIC, 254 PCI_DEVICE_ID_QLOGIC_QLE824X, 255 PCI_VENDOR_ID_QLOGIC, 256 0x20f, 257 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 258 { PCI_VENDOR_ID_QLOGIC, 259 PCI_DEVICE_ID_QLOGIC_QLE824X, 260 0x103c, 0x3733, 261 "NC523SFP 10Gb 2-port Server Adapter" }, 262 { PCI_VENDOR_ID_QLOGIC, 263 PCI_DEVICE_ID_QLOGIC_QLE824X, 264 0x103c, 0x3346, 265 "CN1000Q Dual Port Converged Network Adapter" }, 266 { PCI_VENDOR_ID_QLOGIC, 267 PCI_DEVICE_ID_QLOGIC_QLE824X, 268 PCI_VENDOR_ID_QLOGIC, 269 0x210, 270 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 271 { PCI_VENDOR_ID_QLOGIC, 272 PCI_DEVICE_ID_QLOGIC_QLE824X, 273 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 274 }; 275 276 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 277 278 static const 279 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 280 281 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 282 { 283 int size = sizeof(struct qlcnic_host_sds_ring) * count; 284 285 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 286 287 return recv_ctx->sds_rings == NULL; 288 } 289 290 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 291 { 292 kfree(recv_ctx->sds_rings); 293 recv_ctx->sds_rings = NULL; 294 } 295 296 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 297 { 298 struct net_device *netdev = adapter->netdev; 299 struct pci_dev *pdev = adapter->pdev; 300 u8 mac_addr[ETH_ALEN]; 301 int ret; 302 303 ret = qlcnic_get_mac_address(adapter, mac_addr, 304 adapter->ahw->pci_func); 305 if (ret) 306 return ret; 307 308 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 309 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 310 311 /* set station address */ 312 313 if (!is_valid_ether_addr(netdev->dev_addr)) 314 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 315 netdev->dev_addr); 316 317 return 0; 318 } 319 320 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 321 { 322 struct qlcnic_mac_vlan_list *cur; 323 struct list_head *head; 324 325 list_for_each(head, &adapter->mac_list) { 326 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 327 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 328 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 329 0, QLCNIC_MAC_DEL); 330 list_del(&cur->list); 331 kfree(cur); 332 return; 333 } 334 } 335 } 336 337 static int qlcnic_set_mac(struct net_device *netdev, void *p) 338 { 339 struct qlcnic_adapter *adapter = netdev_priv(netdev); 340 struct sockaddr *addr = p; 341 342 if (qlcnic_sriov_vf_check(adapter)) 343 return -EINVAL; 344 345 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 346 return -EOPNOTSUPP; 347 348 if (!is_valid_ether_addr(addr->sa_data)) 349 return -EINVAL; 350 351 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) && 352 ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data)) 353 return 0; 354 355 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 356 netif_device_detach(netdev); 357 qlcnic_napi_disable(adapter); 358 } 359 360 qlcnic_delete_adapter_mac(adapter); 361 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 362 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 363 qlcnic_set_multi(adapter->netdev); 364 365 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 366 netif_device_attach(netdev); 367 qlcnic_napi_enable(adapter); 368 } 369 return 0; 370 } 371 372 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 373 struct net_device *netdev, 374 const unsigned char *addr, u16 vid) 375 { 376 struct qlcnic_adapter *adapter = netdev_priv(netdev); 377 int err = -EOPNOTSUPP; 378 379 if (!adapter->fdb_mac_learn) 380 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid); 381 382 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 383 qlcnic_sriov_check(adapter)) { 384 if (is_unicast_ether_addr(addr)) { 385 err = dev_uc_del(netdev, addr); 386 if (!err) 387 err = qlcnic_nic_del_mac(adapter, addr); 388 } else if (is_multicast_ether_addr(addr)) { 389 err = dev_mc_del(netdev, addr); 390 } else { 391 err = -EINVAL; 392 } 393 } 394 return err; 395 } 396 397 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 398 struct net_device *netdev, 399 const unsigned char *addr, u16 vid, u16 flags, 400 struct netlink_ext_ack *extack) 401 { 402 struct qlcnic_adapter *adapter = netdev_priv(netdev); 403 int err = 0; 404 405 if (!adapter->fdb_mac_learn) 406 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags); 407 408 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && 409 !qlcnic_sriov_check(adapter)) { 410 pr_info("%s: FDB e-switch is not enabled\n", __func__); 411 return -EOPNOTSUPP; 412 } 413 414 if (ether_addr_equal(addr, adapter->mac_addr)) 415 return err; 416 417 if (is_unicast_ether_addr(addr)) { 418 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 419 err = dev_uc_add_excl(netdev, addr); 420 else 421 err = -ENOMEM; 422 } else if (is_multicast_ether_addr(addr)) { 423 err = dev_mc_add_excl(netdev, addr); 424 } else { 425 err = -EINVAL; 426 } 427 428 return err; 429 } 430 431 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 432 struct net_device *netdev, 433 struct net_device *filter_dev, int *idx) 434 { 435 struct qlcnic_adapter *adapter = netdev_priv(netdev); 436 int err = 0; 437 438 if (!adapter->fdb_mac_learn) 439 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 440 441 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 442 qlcnic_sriov_check(adapter)) 443 err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 444 445 return err; 446 } 447 448 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 449 { 450 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 451 usleep_range(10000, 11000); 452 453 if (!adapter->fw_work.work.func) 454 return; 455 456 cancel_delayed_work_sync(&adapter->fw_work); 457 } 458 459 static int qlcnic_get_phys_port_id(struct net_device *netdev, 460 struct netdev_phys_item_id *ppid) 461 { 462 struct qlcnic_adapter *adapter = netdev_priv(netdev); 463 struct qlcnic_hardware_context *ahw = adapter->ahw; 464 465 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 466 return -EOPNOTSUPP; 467 468 ppid->id_len = sizeof(ahw->phys_port_id); 469 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 470 471 return 0; 472 } 473 474 static int qlcnic_udp_tunnel_sync(struct net_device *dev, unsigned int table) 475 { 476 struct qlcnic_adapter *adapter = netdev_priv(dev); 477 struct udp_tunnel_info ti; 478 int err; 479 480 udp_tunnel_nic_get_port(dev, table, 0, &ti); 481 if (ti.port) { 482 err = qlcnic_set_vxlan_port(adapter, ntohs(ti.port)); 483 if (err) 484 return err; 485 } 486 487 return qlcnic_set_vxlan_parsing(adapter, ntohs(ti.port)); 488 } 489 490 static const struct udp_tunnel_nic_info qlcnic_udp_tunnels = { 491 .sync_table = qlcnic_udp_tunnel_sync, 492 .flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP, 493 .tables = { 494 { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, }, 495 }, 496 }; 497 498 static netdev_features_t qlcnic_features_check(struct sk_buff *skb, 499 struct net_device *dev, 500 netdev_features_t features) 501 { 502 features = vlan_features_check(skb, features); 503 return vxlan_features_check(skb, features); 504 } 505 506 static const struct net_device_ops qlcnic_netdev_ops = { 507 .ndo_open = qlcnic_open, 508 .ndo_stop = qlcnic_close, 509 .ndo_start_xmit = qlcnic_xmit_frame, 510 .ndo_get_stats = qlcnic_get_stats, 511 .ndo_validate_addr = eth_validate_addr, 512 .ndo_set_rx_mode = qlcnic_set_multi, 513 .ndo_set_mac_address = qlcnic_set_mac, 514 .ndo_change_mtu = qlcnic_change_mtu, 515 .ndo_fix_features = qlcnic_fix_features, 516 .ndo_set_features = qlcnic_set_features, 517 .ndo_tx_timeout = qlcnic_tx_timeout, 518 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 519 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 520 .ndo_fdb_add = qlcnic_fdb_add, 521 .ndo_fdb_del = qlcnic_fdb_del, 522 .ndo_fdb_dump = qlcnic_fdb_dump, 523 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 524 .ndo_udp_tunnel_add = udp_tunnel_nic_add_port, 525 .ndo_udp_tunnel_del = udp_tunnel_nic_del_port, 526 .ndo_features_check = qlcnic_features_check, 527 #ifdef CONFIG_QLCNIC_SRIOV 528 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 529 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 530 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 531 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 532 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 533 #endif 534 }; 535 536 static const struct net_device_ops qlcnic_netdev_failed_ops = { 537 .ndo_open = qlcnic_open, 538 }; 539 540 static struct qlcnic_nic_template qlcnic_ops = { 541 .config_bridged_mode = qlcnic_config_bridged_mode, 542 .config_led = qlcnic_82xx_config_led, 543 .start_firmware = qlcnic_82xx_start_firmware, 544 .request_reset = qlcnic_82xx_dev_request_reset, 545 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 546 .napi_add = qlcnic_82xx_napi_add, 547 .napi_del = qlcnic_82xx_napi_del, 548 .config_ipaddr = qlcnic_82xx_config_ipaddr, 549 .shutdown = qlcnic_82xx_shutdown, 550 .resume = qlcnic_82xx_resume, 551 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 552 }; 553 554 struct qlcnic_nic_template qlcnic_vf_ops = { 555 .config_bridged_mode = qlcnicvf_config_bridged_mode, 556 .config_led = qlcnicvf_config_led, 557 .start_firmware = qlcnicvf_start_firmware 558 }; 559 560 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 561 .read_crb = qlcnic_82xx_read_crb, 562 .write_crb = qlcnic_82xx_write_crb, 563 .read_reg = qlcnic_82xx_hw_read_wx_2M, 564 .write_reg = qlcnic_82xx_hw_write_wx_2M, 565 .get_mac_address = qlcnic_82xx_get_mac_address, 566 .setup_intr = qlcnic_82xx_setup_intr, 567 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 568 .mbx_cmd = qlcnic_82xx_issue_cmd, 569 .get_func_no = qlcnic_82xx_get_func_no, 570 .api_lock = qlcnic_82xx_api_lock, 571 .api_unlock = qlcnic_82xx_api_unlock, 572 .add_sysfs = qlcnic_82xx_add_sysfs, 573 .remove_sysfs = qlcnic_82xx_remove_sysfs, 574 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 575 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 576 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 577 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 578 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 579 .setup_link_event = qlcnic_82xx_linkevent_request, 580 .get_nic_info = qlcnic_82xx_get_nic_info, 581 .get_pci_info = qlcnic_82xx_get_pci_info, 582 .set_nic_info = qlcnic_82xx_set_nic_info, 583 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 584 .napi_enable = qlcnic_82xx_napi_enable, 585 .napi_disable = qlcnic_82xx_napi_disable, 586 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 587 .config_rss = qlcnic_82xx_config_rss, 588 .config_hw_lro = qlcnic_82xx_config_hw_lro, 589 .config_loopback = qlcnic_82xx_set_lb_mode, 590 .clear_loopback = qlcnic_82xx_clear_lb_mode, 591 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 592 .change_l2_filter = qlcnic_82xx_change_filter, 593 .get_board_info = qlcnic_82xx_get_board_info, 594 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 595 .free_mac_list = qlcnic_82xx_free_mac_list, 596 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 597 .io_error_detected = qlcnic_82xx_io_error_detected, 598 .io_slot_reset = qlcnic_82xx_io_slot_reset, 599 .io_resume = qlcnic_82xx_io_resume, 600 .get_beacon_state = qlcnic_82xx_get_beacon_state, 601 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 602 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 603 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 604 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 605 .get_saved_state = qlcnic_82xx_get_saved_state, 606 .set_saved_state = qlcnic_82xx_set_saved_state, 607 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 608 .get_cap_size = qlcnic_82xx_get_cap_size, 609 .set_sys_info = qlcnic_82xx_set_sys_info, 610 .store_cap_mask = qlcnic_82xx_store_cap_mask, 611 .encap_rx_offload = qlcnic_82xx_encap_rx_offload, 612 .encap_tx_offload = qlcnic_82xx_encap_tx_offload, 613 }; 614 615 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 616 { 617 struct qlcnic_hardware_context *ahw = adapter->ahw; 618 619 if (qlcnic_82xx_check(adapter) && 620 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 621 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 622 return 0; 623 } else { 624 return 1; 625 } 626 } 627 628 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 629 int queue_type) 630 { 631 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 632 633 if (queue_type == QLCNIC_RX_QUEUE) 634 max_rings = adapter->max_sds_rings; 635 else if (queue_type == QLCNIC_TX_QUEUE) 636 max_rings = adapter->max_tx_rings; 637 638 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 639 max_rings)); 640 641 if (ring_cnt > num_rings) 642 return num_rings; 643 else 644 return ring_cnt; 645 } 646 647 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 648 { 649 /* 83xx adapter does not have max_tx_rings intialized in probe */ 650 if (adapter->max_tx_rings) 651 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 652 QLCNIC_TX_QUEUE); 653 else 654 adapter->drv_tx_rings = tx_cnt; 655 } 656 657 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 658 { 659 /* 83xx adapter does not have max_sds_rings intialized in probe */ 660 if (adapter->max_sds_rings) 661 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 662 QLCNIC_RX_QUEUE); 663 else 664 adapter->drv_sds_rings = rx_cnt; 665 } 666 667 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 668 { 669 struct pci_dev *pdev = adapter->pdev; 670 int num_msix = 0, err = 0, vector; 671 672 adapter->flags &= ~QLCNIC_TSS_RSS; 673 674 if (adapter->drv_tss_rings > 0) 675 num_msix += adapter->drv_tss_rings; 676 else 677 num_msix += adapter->drv_tx_rings; 678 679 if (adapter->drv_rss_rings > 0) 680 num_msix += adapter->drv_rss_rings; 681 else 682 num_msix += adapter->drv_sds_rings; 683 684 if (qlcnic_83xx_check(adapter)) 685 num_msix += 1; 686 687 if (!adapter->msix_entries) { 688 adapter->msix_entries = kcalloc(num_msix, 689 sizeof(struct msix_entry), 690 GFP_KERNEL); 691 if (!adapter->msix_entries) 692 return -ENOMEM; 693 } 694 695 for (vector = 0; vector < num_msix; vector++) 696 adapter->msix_entries[vector].entry = vector; 697 698 restore: 699 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 700 if (err == -ENOSPC) { 701 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 702 return err; 703 704 netdev_info(adapter->netdev, 705 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 706 num_msix, err); 707 708 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 709 710 /* Set rings to 0 so we can restore original TSS/RSS count */ 711 adapter->drv_tss_rings = 0; 712 adapter->drv_rss_rings = 0; 713 714 if (qlcnic_83xx_check(adapter)) 715 num_msix += 1; 716 717 netdev_info(adapter->netdev, 718 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 719 adapter->drv_tx_rings, adapter->drv_sds_rings, 720 num_msix); 721 722 goto restore; 723 } else if (err < 0) { 724 return err; 725 } 726 727 adapter->ahw->num_msix = num_msix; 728 if (adapter->drv_tss_rings > 0) 729 adapter->drv_tx_rings = adapter->drv_tss_rings; 730 731 if (adapter->drv_rss_rings > 0) 732 adapter->drv_sds_rings = adapter->drv_rss_rings; 733 734 return 0; 735 } 736 737 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 738 { 739 struct pci_dev *pdev = adapter->pdev; 740 int err, vector; 741 742 if (!adapter->msix_entries) { 743 adapter->msix_entries = kcalloc(num_msix, 744 sizeof(struct msix_entry), 745 GFP_KERNEL); 746 if (!adapter->msix_entries) 747 return -ENOMEM; 748 } 749 750 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 751 752 if (adapter->ahw->msix_supported) { 753 enable_msix: 754 for (vector = 0; vector < num_msix; vector++) 755 adapter->msix_entries[vector].entry = vector; 756 757 err = pci_enable_msix_range(pdev, 758 adapter->msix_entries, 1, num_msix); 759 760 if (err == num_msix) { 761 adapter->flags |= QLCNIC_MSIX_ENABLED; 762 adapter->ahw->num_msix = num_msix; 763 dev_info(&pdev->dev, "using msi-x interrupts\n"); 764 return 0; 765 } else if (err > 0) { 766 pci_disable_msix(pdev); 767 768 dev_info(&pdev->dev, 769 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 770 num_msix, err); 771 772 if (qlcnic_82xx_check(adapter)) { 773 num_msix = rounddown_pow_of_two(err); 774 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 775 return -ENOSPC; 776 } else { 777 num_msix = rounddown_pow_of_two(err - 1); 778 num_msix += 1; 779 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 780 return -ENOSPC; 781 } 782 783 if (qlcnic_82xx_check(adapter) && 784 !qlcnic_check_multi_tx(adapter)) { 785 adapter->drv_sds_rings = num_msix; 786 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 787 } else { 788 /* Distribute vectors equally */ 789 adapter->drv_tx_rings = num_msix / 2; 790 adapter->drv_sds_rings = adapter->drv_tx_rings; 791 } 792 793 if (num_msix) { 794 dev_info(&pdev->dev, 795 "Trying to allocate %d MSI-X interrupt vectors\n", 796 num_msix); 797 goto enable_msix; 798 } 799 } else { 800 dev_info(&pdev->dev, 801 "Unable to allocate %d MSI-X vectors, err=%d\n", 802 num_msix, err); 803 return err; 804 } 805 } 806 807 return -EIO; 808 } 809 810 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 811 { 812 int num_msix; 813 814 num_msix = adapter->drv_sds_rings; 815 816 if (qlcnic_check_multi_tx(adapter)) 817 num_msix += adapter->drv_tx_rings; 818 else 819 num_msix += QLCNIC_SINGLE_RING; 820 821 return num_msix; 822 } 823 824 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 825 { 826 int err = 0; 827 u32 offset, mask_reg; 828 const struct qlcnic_legacy_intr_set *legacy_intrp; 829 struct qlcnic_hardware_context *ahw = adapter->ahw; 830 struct pci_dev *pdev = adapter->pdev; 831 832 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 833 adapter->flags |= QLCNIC_MSI_ENABLED; 834 offset = msi_tgt_status[adapter->ahw->pci_func]; 835 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 836 offset); 837 dev_info(&pdev->dev, "using msi interrupts\n"); 838 adapter->msix_entries[0].vector = pdev->irq; 839 return err; 840 } 841 842 if (qlcnic_use_msi || qlcnic_use_msi_x) 843 return -EOPNOTSUPP; 844 845 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 846 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 847 offset = legacy_intrp->tgt_status_reg; 848 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 849 mask_reg = legacy_intrp->tgt_mask_reg; 850 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 851 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 852 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 853 dev_info(&pdev->dev, "using legacy interrupts\n"); 854 adapter->msix_entries[0].vector = pdev->irq; 855 return err; 856 } 857 858 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 859 { 860 int num_msix, err = 0; 861 862 if (adapter->flags & QLCNIC_TSS_RSS) { 863 err = qlcnic_setup_tss_rss_intr(adapter); 864 if (err < 0) 865 return err; 866 num_msix = adapter->ahw->num_msix; 867 } else { 868 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 869 870 err = qlcnic_enable_msix(adapter, num_msix); 871 if (err == -ENOMEM) 872 return err; 873 874 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 875 qlcnic_disable_multi_tx(adapter); 876 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 877 878 err = qlcnic_enable_msi_legacy(adapter); 879 if (err) 880 return err; 881 } 882 } 883 884 return 0; 885 } 886 887 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 888 { 889 struct qlcnic_hardware_context *ahw = adapter->ahw; 890 int err, i; 891 892 if (qlcnic_check_multi_tx(adapter) && 893 !ahw->diag_test && 894 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 895 ahw->intr_tbl = 896 vzalloc(array_size(sizeof(struct qlcnic_intrpt_config), 897 ahw->num_msix)); 898 if (!ahw->intr_tbl) 899 return -ENOMEM; 900 901 for (i = 0; i < ahw->num_msix; i++) { 902 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 903 ahw->intr_tbl[i].id = i; 904 ahw->intr_tbl[i].src = 0; 905 } 906 907 err = qlcnic_82xx_config_intrpt(adapter, 1); 908 if (err) 909 dev_err(&adapter->pdev->dev, 910 "Failed to configure Interrupt for %d vector\n", 911 ahw->num_msix); 912 return err; 913 } 914 915 return 0; 916 } 917 918 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 919 { 920 if (adapter->flags & QLCNIC_MSIX_ENABLED) 921 pci_disable_msix(adapter->pdev); 922 if (adapter->flags & QLCNIC_MSI_ENABLED) 923 pci_disable_msi(adapter->pdev); 924 925 kfree(adapter->msix_entries); 926 adapter->msix_entries = NULL; 927 928 if (adapter->ahw->intr_tbl) { 929 vfree(adapter->ahw->intr_tbl); 930 adapter->ahw->intr_tbl = NULL; 931 } 932 } 933 934 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 935 { 936 if (ahw->pci_base0 != NULL) 937 iounmap(ahw->pci_base0); 938 } 939 940 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 941 { 942 struct qlcnic_hardware_context *ahw = adapter->ahw; 943 struct qlcnic_pci_info *pci_info; 944 int ret; 945 946 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 947 switch (ahw->port_type) { 948 case QLCNIC_GBE: 949 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 950 break; 951 case QLCNIC_XGBE: 952 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 953 break; 954 } 955 return 0; 956 } 957 958 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 959 return 0; 960 961 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 962 if (!pci_info) 963 return -ENOMEM; 964 965 ret = qlcnic_get_pci_info(adapter, pci_info); 966 kfree(pci_info); 967 return ret; 968 } 969 970 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 971 { 972 bool ret = false; 973 974 if (qlcnic_84xx_check(adapter)) { 975 ret = true; 976 } else if (qlcnic_83xx_check(adapter)) { 977 if (adapter->ahw->extra_capability[0] & 978 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 979 ret = true; 980 else 981 ret = false; 982 } 983 984 return ret; 985 } 986 987 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 988 { 989 struct qlcnic_hardware_context *ahw = adapter->ahw; 990 struct qlcnic_pci_info *pci_info; 991 int i, id = 0, ret = 0, j = 0; 992 u16 act_pci_func; 993 u8 pfn; 994 995 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 996 if (!pci_info) 997 return -ENOMEM; 998 999 ret = qlcnic_get_pci_info(adapter, pci_info); 1000 if (ret) 1001 goto err_pci_info; 1002 1003 act_pci_func = ahw->total_nic_func; 1004 1005 adapter->npars = kcalloc(act_pci_func, 1006 sizeof(struct qlcnic_npar_info), 1007 GFP_KERNEL); 1008 if (!adapter->npars) { 1009 ret = -ENOMEM; 1010 goto err_pci_info; 1011 } 1012 1013 adapter->eswitch = kcalloc(QLCNIC_NIU_MAX_XG_PORTS, 1014 sizeof(struct qlcnic_eswitch), 1015 GFP_KERNEL); 1016 if (!adapter->eswitch) { 1017 ret = -ENOMEM; 1018 goto err_npars; 1019 } 1020 1021 for (i = 0; i < ahw->max_vnic_func; i++) { 1022 pfn = pci_info[i].id; 1023 1024 if (pfn >= ahw->max_vnic_func) { 1025 ret = -EINVAL; 1026 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1027 __func__, pfn, ahw->max_vnic_func); 1028 goto err_eswitch; 1029 } 1030 1031 if (!pci_info[i].active || 1032 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1033 continue; 1034 1035 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1036 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1037 &id)) 1038 adapter->npars[j].eswitch_status = true; 1039 else 1040 continue; 1041 } else { 1042 adapter->npars[j].eswitch_status = true; 1043 } 1044 1045 adapter->npars[j].pci_func = pfn; 1046 adapter->npars[j].active = (u8)pci_info[i].active; 1047 adapter->npars[j].type = (u8)pci_info[i].type; 1048 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1049 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1050 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1051 1052 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1053 j++; 1054 } 1055 1056 /* Update eSwitch status for adapters without per port eSwitch 1057 * configuration capability 1058 */ 1059 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1060 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1061 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1062 } 1063 1064 kfree(pci_info); 1065 return 0; 1066 1067 err_eswitch: 1068 kfree(adapter->eswitch); 1069 adapter->eswitch = NULL; 1070 err_npars: 1071 kfree(adapter->npars); 1072 adapter->npars = NULL; 1073 err_pci_info: 1074 kfree(pci_info); 1075 1076 return ret; 1077 } 1078 1079 static int 1080 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1081 { 1082 u8 id; 1083 int ret; 1084 u32 data = QLCNIC_MGMT_FUNC; 1085 struct qlcnic_hardware_context *ahw = adapter->ahw; 1086 1087 ret = qlcnic_api_lock(adapter); 1088 if (ret) 1089 goto err_lock; 1090 1091 id = ahw->pci_func; 1092 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1093 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1094 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1095 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1096 qlcnic_api_unlock(adapter); 1097 err_lock: 1098 return ret; 1099 } 1100 1101 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1102 const struct pci_device_id *ent) 1103 { 1104 u32 op_mode, priv_level; 1105 1106 /* Determine FW API version */ 1107 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1108 QLCNIC_FW_API); 1109 1110 /* Find PCI function number */ 1111 qlcnic_get_func_no(adapter); 1112 1113 /* Determine function privilege level */ 1114 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1115 if (op_mode == QLC_DEV_DRV_DEFAULT) 1116 priv_level = QLCNIC_MGMT_FUNC; 1117 else 1118 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1119 1120 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1121 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1122 dev_info(&adapter->pdev->dev, 1123 "HAL Version: %d Non Privileged function\n", 1124 adapter->ahw->fw_hal_version); 1125 adapter->nic_ops = &qlcnic_vf_ops; 1126 } else 1127 adapter->nic_ops = &qlcnic_ops; 1128 } 1129 1130 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1131 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1132 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1133 { 1134 switch (dev_id) { 1135 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1136 *bar = QLCNIC_82XX_BAR0_LENGTH; 1137 break; 1138 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1139 case PCI_DEVICE_ID_QLOGIC_QLE8830: 1140 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1141 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1142 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1143 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 1144 *bar = QLCNIC_83XX_BAR0_LENGTH; 1145 break; 1146 default: 1147 *bar = 0; 1148 } 1149 } 1150 1151 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1152 struct qlcnic_hardware_context *ahw) 1153 { 1154 u32 offset; 1155 void __iomem *mem_ptr0 = NULL; 1156 unsigned long mem_len, pci_len0 = 0, bar0_len; 1157 1158 /* remap phys address */ 1159 mem_len = pci_resource_len(pdev, 0); 1160 1161 qlcnic_get_bar_length(pdev->device, &bar0_len); 1162 if (mem_len >= bar0_len) { 1163 1164 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1165 if (mem_ptr0 == NULL) { 1166 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1167 return -EIO; 1168 } 1169 pci_len0 = mem_len; 1170 } else { 1171 return -EIO; 1172 } 1173 1174 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1175 1176 ahw->pci_base0 = mem_ptr0; 1177 ahw->pci_len0 = pci_len0; 1178 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1179 qlcnic_get_ioaddr(ahw, offset); 1180 1181 return 0; 1182 } 1183 1184 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1185 int index) 1186 { 1187 struct pci_dev *pdev = adapter->pdev; 1188 unsigned short subsystem_vendor; 1189 bool ret = true; 1190 1191 subsystem_vendor = pdev->subsystem_vendor; 1192 1193 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1194 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1195 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1196 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1197 ret = true; 1198 else 1199 ret = false; 1200 } 1201 1202 return ret; 1203 } 1204 1205 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1206 { 1207 struct pci_dev *pdev = adapter->pdev; 1208 int i, found = 0; 1209 1210 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1211 if (qlcnic_boards[i].vendor == pdev->vendor && 1212 qlcnic_boards[i].device == pdev->device && 1213 qlcnic_validate_subsystem_id(adapter, i)) { 1214 found = 1; 1215 break; 1216 } 1217 } 1218 1219 if (!found) 1220 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1221 else 1222 sprintf(name, "%pM: %s" , adapter->mac_addr, 1223 qlcnic_boards[i].short_name); 1224 } 1225 1226 static void 1227 qlcnic_check_options(struct qlcnic_adapter *adapter) 1228 { 1229 int err; 1230 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1231 struct pci_dev *pdev = adapter->pdev; 1232 struct qlcnic_hardware_context *ahw = adapter->ahw; 1233 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1234 1235 prev_fw_version = adapter->fw_version; 1236 1237 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1238 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1239 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1240 1241 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1242 1243 err = qlcnic_get_board_info(adapter); 1244 if (err) { 1245 dev_err(&pdev->dev, "Error getting board config info.\n"); 1246 return; 1247 } 1248 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1249 if (fw_dump->tmpl_hdr == NULL || 1250 adapter->fw_version > prev_fw_version) { 1251 vfree(fw_dump->tmpl_hdr); 1252 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1253 dev_info(&pdev->dev, 1254 "Supports FW dump capability\n"); 1255 } 1256 } 1257 1258 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1259 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1260 1261 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1262 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1263 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1264 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1265 } else { 1266 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1267 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1268 } 1269 1270 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1271 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1272 1273 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1274 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1275 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1276 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1277 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1278 } 1279 1280 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1281 1282 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1283 1284 adapter->max_rds_rings = MAX_RDS_RINGS; 1285 } 1286 1287 static int 1288 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1289 { 1290 struct qlcnic_info nic_info; 1291 int err = 0; 1292 1293 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1294 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1295 if (err) 1296 return err; 1297 1298 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1299 adapter->ahw->switch_mode = nic_info.switch_mode; 1300 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1301 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1302 adapter->ahw->capabilities = nic_info.capabilities; 1303 1304 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1305 u32 temp; 1306 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1307 if (err == -EIO) 1308 return err; 1309 adapter->ahw->extra_capability[0] = temp; 1310 } else { 1311 adapter->ahw->extra_capability[0] = 0; 1312 } 1313 1314 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1315 adapter->ahw->max_mtu = nic_info.max_mtu; 1316 1317 if (adapter->ahw->capabilities & BIT_6) { 1318 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1319 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1320 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1321 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1322 1323 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1324 } else { 1325 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1326 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1327 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1328 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1329 } 1330 1331 return err; 1332 } 1333 1334 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1335 struct qlcnic_esw_func_cfg *esw_cfg) 1336 { 1337 if (esw_cfg->discard_tagged) 1338 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1339 else 1340 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1341 1342 if (esw_cfg->vlan_id) { 1343 adapter->rx_pvid = esw_cfg->vlan_id; 1344 adapter->tx_pvid = esw_cfg->vlan_id; 1345 } else { 1346 adapter->rx_pvid = 0; 1347 adapter->tx_pvid = 0; 1348 } 1349 } 1350 1351 static int 1352 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1353 { 1354 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1355 int err; 1356 1357 if (qlcnic_sriov_vf_check(adapter)) { 1358 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1359 if (err) { 1360 netdev_err(netdev, 1361 "Cannot add VLAN filter for VLAN id %d, err=%d", 1362 vid, err); 1363 return err; 1364 } 1365 } 1366 1367 set_bit(vid, adapter->vlans); 1368 return 0; 1369 } 1370 1371 static int 1372 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1373 { 1374 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1375 int err; 1376 1377 if (qlcnic_sriov_vf_check(adapter)) { 1378 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1379 if (err) { 1380 netdev_err(netdev, 1381 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1382 vid, err); 1383 return err; 1384 } 1385 } 1386 1387 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1388 clear_bit(vid, adapter->vlans); 1389 return 0; 1390 } 1391 1392 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1393 struct qlcnic_esw_func_cfg *esw_cfg) 1394 { 1395 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1396 QLCNIC_PROMISC_DISABLED); 1397 1398 if (esw_cfg->mac_anti_spoof) 1399 adapter->flags |= QLCNIC_MACSPOOF; 1400 1401 if (!esw_cfg->mac_override) 1402 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1403 1404 if (!esw_cfg->promisc_mode) 1405 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1406 } 1407 1408 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1409 { 1410 struct qlcnic_esw_func_cfg esw_cfg; 1411 1412 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1413 return 0; 1414 1415 esw_cfg.pci_func = adapter->ahw->pci_func; 1416 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1417 return -EIO; 1418 qlcnic_set_vlan_config(adapter, &esw_cfg); 1419 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1420 qlcnic_set_netdev_features(adapter, &esw_cfg); 1421 1422 return 0; 1423 } 1424 1425 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1426 struct qlcnic_esw_func_cfg *esw_cfg) 1427 { 1428 struct net_device *netdev = adapter->netdev; 1429 1430 if (qlcnic_83xx_check(adapter)) 1431 return; 1432 1433 adapter->offload_flags = esw_cfg->offload_flags; 1434 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1435 netdev_update_features(netdev); 1436 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1437 } 1438 1439 static int 1440 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1441 { 1442 u32 op_mode, priv_level; 1443 int err = 0; 1444 1445 err = qlcnic_initialize_nic(adapter); 1446 if (err) 1447 return err; 1448 1449 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1450 return 0; 1451 1452 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1453 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1454 1455 if (op_mode == QLC_DEV_DRV_DEFAULT) 1456 priv_level = QLCNIC_MGMT_FUNC; 1457 else 1458 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1459 1460 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1461 if (priv_level == QLCNIC_MGMT_FUNC) { 1462 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1463 err = qlcnic_init_pci_info(adapter); 1464 if (err) 1465 return err; 1466 /* Set privilege level for other functions */ 1467 qlcnic_set_function_modes(adapter); 1468 dev_info(&adapter->pdev->dev, 1469 "HAL Version: %d, Management function\n", 1470 adapter->ahw->fw_hal_version); 1471 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1472 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1473 dev_info(&adapter->pdev->dev, 1474 "HAL Version: %d, Privileged function\n", 1475 adapter->ahw->fw_hal_version); 1476 } 1477 } else { 1478 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1479 } 1480 1481 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1482 1483 return err; 1484 } 1485 1486 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1487 { 1488 struct qlcnic_esw_func_cfg esw_cfg; 1489 struct qlcnic_npar_info *npar; 1490 u8 i; 1491 1492 if (adapter->need_fw_reset) 1493 return 0; 1494 1495 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1496 if (!adapter->npars[i].eswitch_status) 1497 continue; 1498 1499 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1500 esw_cfg.pci_func = adapter->npars[i].pci_func; 1501 esw_cfg.mac_override = BIT_0; 1502 esw_cfg.promisc_mode = BIT_0; 1503 if (qlcnic_82xx_check(adapter)) { 1504 esw_cfg.offload_flags = BIT_0; 1505 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1506 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1507 } 1508 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1509 return -EIO; 1510 npar = &adapter->npars[i]; 1511 npar->pvid = esw_cfg.vlan_id; 1512 npar->mac_override = esw_cfg.mac_override; 1513 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1514 npar->discard_tagged = esw_cfg.discard_tagged; 1515 npar->promisc_mode = esw_cfg.promisc_mode; 1516 npar->offload_flags = esw_cfg.offload_flags; 1517 } 1518 1519 return 0; 1520 } 1521 1522 1523 static int 1524 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1525 struct qlcnic_npar_info *npar, int pci_func) 1526 { 1527 struct qlcnic_esw_func_cfg esw_cfg; 1528 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1529 esw_cfg.pci_func = pci_func; 1530 esw_cfg.vlan_id = npar->pvid; 1531 esw_cfg.mac_override = npar->mac_override; 1532 esw_cfg.discard_tagged = npar->discard_tagged; 1533 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1534 esw_cfg.offload_flags = npar->offload_flags; 1535 esw_cfg.promisc_mode = npar->promisc_mode; 1536 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1537 return -EIO; 1538 1539 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1540 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1541 return -EIO; 1542 1543 return 0; 1544 } 1545 1546 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1547 { 1548 int i, err; 1549 struct qlcnic_npar_info *npar; 1550 struct qlcnic_info nic_info; 1551 u8 pci_func; 1552 1553 if (qlcnic_82xx_check(adapter)) 1554 if (!adapter->need_fw_reset) 1555 return 0; 1556 1557 /* Set the NPAR config data after FW reset */ 1558 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1559 npar = &adapter->npars[i]; 1560 pci_func = npar->pci_func; 1561 if (!adapter->npars[i].eswitch_status) 1562 continue; 1563 1564 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1565 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1566 if (err) 1567 return err; 1568 nic_info.min_tx_bw = npar->min_bw; 1569 nic_info.max_tx_bw = npar->max_bw; 1570 err = qlcnic_set_nic_info(adapter, &nic_info); 1571 if (err) 1572 return err; 1573 1574 if (npar->enable_pm) { 1575 err = qlcnic_config_port_mirroring(adapter, 1576 npar->dest_npar, 1, 1577 pci_func); 1578 if (err) 1579 return err; 1580 } 1581 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1582 if (err) 1583 return err; 1584 } 1585 return 0; 1586 } 1587 1588 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1589 { 1590 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1591 u32 npar_state; 1592 1593 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1594 return 0; 1595 1596 npar_state = QLC_SHARED_REG_RD32(adapter, 1597 QLCNIC_CRB_DEV_NPAR_STATE); 1598 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1599 msleep(1000); 1600 npar_state = QLC_SHARED_REG_RD32(adapter, 1601 QLCNIC_CRB_DEV_NPAR_STATE); 1602 } 1603 if (!npar_opt_timeo) { 1604 dev_err(&adapter->pdev->dev, 1605 "Waiting for NPAR state to operational timeout\n"); 1606 return -EIO; 1607 } 1608 return 0; 1609 } 1610 1611 static int 1612 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1613 { 1614 int err; 1615 1616 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1617 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1618 return 0; 1619 1620 err = qlcnic_set_default_offload_settings(adapter); 1621 if (err) 1622 return err; 1623 1624 err = qlcnic_reset_npar_config(adapter); 1625 if (err) 1626 return err; 1627 1628 qlcnic_dev_set_npar_ready(adapter); 1629 1630 return err; 1631 } 1632 1633 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1634 { 1635 int err; 1636 1637 err = qlcnic_can_start_firmware(adapter); 1638 if (err < 0) 1639 return err; 1640 else if (!err) 1641 goto check_fw_status; 1642 1643 if (qlcnic_load_fw_file) 1644 qlcnic_request_firmware(adapter); 1645 else { 1646 err = qlcnic_check_flash_fw_ver(adapter); 1647 if (err) 1648 goto err_out; 1649 1650 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1651 } 1652 1653 err = qlcnic_need_fw_reset(adapter); 1654 if (err == 0) 1655 goto check_fw_status; 1656 1657 err = qlcnic_pinit_from_rom(adapter); 1658 if (err) 1659 goto err_out; 1660 1661 err = qlcnic_load_firmware(adapter); 1662 if (err) 1663 goto err_out; 1664 1665 qlcnic_release_firmware(adapter); 1666 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1667 1668 check_fw_status: 1669 err = qlcnic_check_fw_status(adapter); 1670 if (err) 1671 goto err_out; 1672 1673 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1674 qlcnic_idc_debug_info(adapter, 1); 1675 err = qlcnic_check_eswitch_mode(adapter); 1676 if (err) { 1677 dev_err(&adapter->pdev->dev, 1678 "Memory allocation failed for eswitch\n"); 1679 goto err_out; 1680 } 1681 err = qlcnic_set_mgmt_operations(adapter); 1682 if (err) 1683 goto err_out; 1684 1685 qlcnic_check_options(adapter); 1686 adapter->need_fw_reset = 0; 1687 1688 qlcnic_release_firmware(adapter); 1689 return 0; 1690 1691 err_out: 1692 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1693 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1694 1695 qlcnic_release_firmware(adapter); 1696 return err; 1697 } 1698 1699 static int 1700 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1701 { 1702 irq_handler_t handler; 1703 struct qlcnic_host_sds_ring *sds_ring; 1704 struct qlcnic_host_tx_ring *tx_ring; 1705 int err, ring, num_sds_rings; 1706 1707 unsigned long flags = 0; 1708 struct net_device *netdev = adapter->netdev; 1709 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1710 1711 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1712 if (qlcnic_82xx_check(adapter)) 1713 handler = qlcnic_tmp_intr; 1714 else 1715 handler = qlcnic_83xx_tmp_intr; 1716 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1717 flags |= IRQF_SHARED; 1718 1719 } else { 1720 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1721 handler = qlcnic_msix_intr; 1722 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1723 handler = qlcnic_msi_intr; 1724 else { 1725 flags |= IRQF_SHARED; 1726 if (qlcnic_82xx_check(adapter)) 1727 handler = qlcnic_intr; 1728 else 1729 handler = qlcnic_83xx_intr; 1730 } 1731 } 1732 adapter->irq = netdev->irq; 1733 1734 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1735 if (qlcnic_82xx_check(adapter) || 1736 (qlcnic_83xx_check(adapter) && 1737 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1738 num_sds_rings = adapter->drv_sds_rings; 1739 for (ring = 0; ring < num_sds_rings; ring++) { 1740 sds_ring = &recv_ctx->sds_rings[ring]; 1741 if (qlcnic_82xx_check(adapter) && 1742 !qlcnic_check_multi_tx(adapter) && 1743 (ring == (num_sds_rings - 1))) { 1744 if (!(adapter->flags & 1745 QLCNIC_MSIX_ENABLED)) 1746 snprintf(sds_ring->name, 1747 sizeof(sds_ring->name), 1748 "qlcnic"); 1749 else 1750 snprintf(sds_ring->name, 1751 sizeof(sds_ring->name), 1752 "%s-tx-0-rx-%d", 1753 netdev->name, ring); 1754 } else { 1755 snprintf(sds_ring->name, 1756 sizeof(sds_ring->name), 1757 "%s-rx-%d", 1758 netdev->name, ring); 1759 } 1760 err = request_irq(sds_ring->irq, handler, flags, 1761 sds_ring->name, sds_ring); 1762 if (err) 1763 return err; 1764 } 1765 } 1766 if ((qlcnic_82xx_check(adapter) && 1767 qlcnic_check_multi_tx(adapter)) || 1768 (qlcnic_83xx_check(adapter) && 1769 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1770 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1771 handler = qlcnic_msix_tx_intr; 1772 for (ring = 0; ring < adapter->drv_tx_rings; 1773 ring++) { 1774 tx_ring = &adapter->tx_ring[ring]; 1775 snprintf(tx_ring->name, sizeof(tx_ring->name), 1776 "%s-tx-%d", netdev->name, ring); 1777 err = request_irq(tx_ring->irq, handler, flags, 1778 tx_ring->name, tx_ring); 1779 if (err) 1780 return err; 1781 } 1782 } 1783 } 1784 return 0; 1785 } 1786 1787 static void 1788 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1789 { 1790 int ring; 1791 struct qlcnic_host_sds_ring *sds_ring; 1792 struct qlcnic_host_tx_ring *tx_ring; 1793 1794 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1795 1796 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1797 if (qlcnic_82xx_check(adapter) || 1798 (qlcnic_83xx_check(adapter) && 1799 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1800 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1801 sds_ring = &recv_ctx->sds_rings[ring]; 1802 free_irq(sds_ring->irq, sds_ring); 1803 } 1804 } 1805 if ((qlcnic_83xx_check(adapter) && 1806 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1807 (qlcnic_82xx_check(adapter) && 1808 qlcnic_check_multi_tx(adapter))) { 1809 for (ring = 0; ring < adapter->drv_tx_rings; 1810 ring++) { 1811 tx_ring = &adapter->tx_ring[ring]; 1812 if (tx_ring->irq) 1813 free_irq(tx_ring->irq, tx_ring); 1814 } 1815 } 1816 } 1817 } 1818 1819 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1820 { 1821 u32 capab = 0; 1822 1823 if (qlcnic_82xx_check(adapter)) { 1824 if (adapter->ahw->extra_capability[0] & 1825 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1826 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1827 } else { 1828 capab = adapter->ahw->capabilities; 1829 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1830 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1831 } 1832 } 1833 1834 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1835 { 1836 struct qlcnic_hardware_context *ahw = adapter->ahw; 1837 int err; 1838 1839 /* Initialize interrupt coalesce parameters */ 1840 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1841 1842 if (qlcnic_83xx_check(adapter)) { 1843 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1844 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1845 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1846 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1847 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1848 1849 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1850 } else { 1851 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1852 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1853 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1854 1855 err = qlcnic_82xx_set_rx_coalesce(adapter); 1856 } 1857 1858 return err; 1859 } 1860 1861 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1862 { 1863 int ring; 1864 struct qlcnic_host_rds_ring *rds_ring; 1865 1866 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1867 return -EIO; 1868 1869 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1870 return 0; 1871 1872 if (qlcnic_set_eswitch_port_config(adapter)) 1873 return -EIO; 1874 1875 qlcnic_get_lro_mss_capability(adapter); 1876 1877 if (qlcnic_fw_create_ctx(adapter)) 1878 return -EIO; 1879 1880 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1881 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1882 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1883 } 1884 1885 qlcnic_set_multi(netdev); 1886 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1887 1888 adapter->ahw->linkup = 0; 1889 1890 if (adapter->drv_sds_rings > 1) 1891 qlcnic_config_rss(adapter, 1); 1892 1893 qlcnic_config_def_intr_coalesce(adapter); 1894 1895 if (netdev->features & NETIF_F_LRO) 1896 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1897 1898 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1899 qlcnic_napi_enable(adapter); 1900 1901 qlcnic_linkevent_request(adapter, 1); 1902 1903 adapter->ahw->reset_context = 0; 1904 netif_tx_start_all_queues(netdev); 1905 return 0; 1906 } 1907 1908 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1909 { 1910 int err = 0; 1911 1912 rtnl_lock(); 1913 if (netif_running(netdev)) 1914 err = __qlcnic_up(adapter, netdev); 1915 rtnl_unlock(); 1916 1917 return err; 1918 } 1919 1920 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1921 { 1922 int ring; 1923 1924 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1925 return; 1926 1927 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1928 return; 1929 1930 smp_mb(); 1931 netif_carrier_off(netdev); 1932 adapter->ahw->linkup = 0; 1933 netif_tx_disable(netdev); 1934 1935 qlcnic_free_mac_list(adapter); 1936 1937 if (adapter->fhash.fnum) 1938 qlcnic_delete_lb_filters(adapter); 1939 1940 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1941 if (qlcnic_sriov_vf_check(adapter)) 1942 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1943 1944 qlcnic_napi_disable(adapter); 1945 1946 qlcnic_fw_destroy_ctx(adapter); 1947 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1948 1949 qlcnic_reset_rx_buffers_list(adapter); 1950 1951 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1952 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1953 } 1954 1955 /* Usage: During suspend and firmware recovery module */ 1956 1957 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1958 { 1959 rtnl_lock(); 1960 if (netif_running(netdev)) 1961 __qlcnic_down(adapter, netdev); 1962 rtnl_unlock(); 1963 1964 } 1965 1966 int 1967 qlcnic_attach(struct qlcnic_adapter *adapter) 1968 { 1969 struct net_device *netdev = adapter->netdev; 1970 struct pci_dev *pdev = adapter->pdev; 1971 int err; 1972 1973 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1974 return 0; 1975 1976 err = qlcnic_napi_add(adapter, netdev); 1977 if (err) 1978 return err; 1979 1980 err = qlcnic_alloc_sw_resources(adapter); 1981 if (err) { 1982 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1983 goto err_out_napi_del; 1984 } 1985 1986 err = qlcnic_alloc_hw_resources(adapter); 1987 if (err) { 1988 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1989 goto err_out_free_sw; 1990 } 1991 1992 err = qlcnic_request_irq(adapter); 1993 if (err) { 1994 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1995 goto err_out_free_hw; 1996 } 1997 1998 qlcnic_create_sysfs_entries(adapter); 1999 2000 if (qlcnic_encap_rx_offload(adapter)) 2001 udp_tunnel_nic_reset_ntf(netdev); 2002 2003 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 2004 return 0; 2005 2006 err_out_free_hw: 2007 qlcnic_free_hw_resources(adapter); 2008 err_out_free_sw: 2009 qlcnic_free_sw_resources(adapter); 2010 err_out_napi_del: 2011 qlcnic_napi_del(adapter); 2012 return err; 2013 } 2014 2015 void qlcnic_detach(struct qlcnic_adapter *adapter) 2016 { 2017 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2018 return; 2019 2020 qlcnic_remove_sysfs_entries(adapter); 2021 2022 qlcnic_free_hw_resources(adapter); 2023 qlcnic_release_rx_buffers(adapter); 2024 qlcnic_free_irq(adapter); 2025 qlcnic_napi_del(adapter); 2026 qlcnic_free_sw_resources(adapter); 2027 2028 adapter->is_up = 0; 2029 } 2030 2031 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2032 { 2033 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2034 struct qlcnic_host_sds_ring *sds_ring; 2035 int drv_tx_rings = adapter->drv_tx_rings; 2036 int ring; 2037 2038 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2039 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2040 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2041 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2042 qlcnic_disable_sds_intr(adapter, sds_ring); 2043 } 2044 } 2045 2046 qlcnic_fw_destroy_ctx(adapter); 2047 2048 qlcnic_detach(adapter); 2049 2050 adapter->ahw->diag_test = 0; 2051 adapter->drv_sds_rings = drv_sds_rings; 2052 adapter->drv_tx_rings = drv_tx_rings; 2053 2054 if (qlcnic_attach(adapter)) 2055 goto out; 2056 2057 if (netif_running(netdev)) 2058 __qlcnic_up(adapter, netdev); 2059 out: 2060 netif_device_attach(netdev); 2061 } 2062 2063 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2064 { 2065 struct qlcnic_hardware_context *ahw = adapter->ahw; 2066 int err = 0; 2067 2068 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2069 GFP_KERNEL); 2070 if (!adapter->recv_ctx) { 2071 err = -ENOMEM; 2072 goto err_out; 2073 } 2074 2075 if (qlcnic_83xx_check(adapter)) { 2076 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2077 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2078 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2079 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2080 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2081 } else { 2082 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2083 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2084 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2085 } 2086 2087 /* clear stats */ 2088 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2089 err_out: 2090 return err; 2091 } 2092 2093 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2094 { 2095 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2096 2097 kfree(adapter->recv_ctx); 2098 adapter->recv_ctx = NULL; 2099 2100 if (fw_dump->tmpl_hdr) { 2101 vfree(fw_dump->tmpl_hdr); 2102 fw_dump->tmpl_hdr = NULL; 2103 } 2104 2105 if (fw_dump->dma_buffer) { 2106 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2107 fw_dump->dma_buffer, fw_dump->phys_addr); 2108 fw_dump->dma_buffer = NULL; 2109 } 2110 2111 kfree(adapter->ahw->reset.buff); 2112 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2113 } 2114 2115 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2116 { 2117 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2118 struct qlcnic_host_sds_ring *sds_ring; 2119 struct qlcnic_host_rds_ring *rds_ring; 2120 int ring; 2121 int ret; 2122 2123 netif_device_detach(netdev); 2124 2125 if (netif_running(netdev)) 2126 __qlcnic_down(adapter, netdev); 2127 2128 qlcnic_detach(adapter); 2129 2130 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2131 adapter->ahw->diag_test = test; 2132 adapter->ahw->linkup = 0; 2133 2134 ret = qlcnic_attach(adapter); 2135 if (ret) { 2136 netif_device_attach(netdev); 2137 return ret; 2138 } 2139 2140 ret = qlcnic_fw_create_ctx(adapter); 2141 if (ret) { 2142 qlcnic_detach(adapter); 2143 netif_device_attach(netdev); 2144 return ret; 2145 } 2146 2147 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2148 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2149 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2150 } 2151 2152 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2153 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2154 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2155 qlcnic_enable_sds_intr(adapter, sds_ring); 2156 } 2157 } 2158 2159 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2160 adapter->ahw->loopback_state = 0; 2161 qlcnic_linkevent_request(adapter, 1); 2162 } 2163 2164 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2165 2166 return 0; 2167 } 2168 2169 /* Reset context in hardware only */ 2170 static int 2171 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2172 { 2173 struct net_device *netdev = adapter->netdev; 2174 2175 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2176 return -EBUSY; 2177 2178 netif_device_detach(netdev); 2179 2180 qlcnic_down(adapter, netdev); 2181 2182 qlcnic_up(adapter, netdev); 2183 2184 netif_device_attach(netdev); 2185 2186 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2187 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2188 return 0; 2189 } 2190 2191 int 2192 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2193 { 2194 int err = 0; 2195 struct net_device *netdev = adapter->netdev; 2196 2197 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2198 return -EBUSY; 2199 2200 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2201 2202 netif_device_detach(netdev); 2203 2204 if (netif_running(netdev)) 2205 __qlcnic_down(adapter, netdev); 2206 2207 qlcnic_detach(adapter); 2208 2209 if (netif_running(netdev)) { 2210 err = qlcnic_attach(adapter); 2211 if (!err) { 2212 __qlcnic_up(adapter, netdev); 2213 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2214 } 2215 } 2216 2217 netif_device_attach(netdev); 2218 } 2219 2220 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2221 return err; 2222 } 2223 2224 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2225 { 2226 struct qlcnic_hardware_context *ahw = adapter->ahw; 2227 u16 act_pci_fn = ahw->total_nic_func; 2228 u16 count; 2229 2230 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2231 if (act_pci_fn <= 2) 2232 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2233 act_pci_fn; 2234 else 2235 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2236 act_pci_fn; 2237 ahw->max_uc_count = count; 2238 } 2239 2240 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2241 u8 tx_queues, u8 rx_queues) 2242 { 2243 struct net_device *netdev = adapter->netdev; 2244 int err = 0; 2245 2246 if (tx_queues) { 2247 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2248 if (err) { 2249 netdev_err(netdev, "failed to set %d Tx queues\n", 2250 tx_queues); 2251 return err; 2252 } 2253 } 2254 2255 if (rx_queues) { 2256 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2257 if (err) 2258 netdev_err(netdev, "failed to set %d Rx queues\n", 2259 rx_queues); 2260 } 2261 2262 return err; 2263 } 2264 2265 int 2266 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2267 int pci_using_dac) 2268 { 2269 int err; 2270 struct pci_dev *pdev = adapter->pdev; 2271 2272 adapter->rx_csum = 1; 2273 adapter->ahw->mc_enabled = 0; 2274 qlcnic_set_mac_filter_count(adapter); 2275 2276 netdev->netdev_ops = &qlcnic_netdev_ops; 2277 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2278 2279 qlcnic_change_mtu(netdev, netdev->mtu); 2280 2281 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2282 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2283 2284 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2285 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2286 NETIF_F_HW_VLAN_CTAG_RX); 2287 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2288 NETIF_F_IPV6_CSUM); 2289 2290 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2291 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2292 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2293 } 2294 2295 if (pci_using_dac) { 2296 netdev->features |= NETIF_F_HIGHDMA; 2297 netdev->vlan_features |= NETIF_F_HIGHDMA; 2298 } 2299 2300 if (qlcnic_vlan_tx_check(adapter)) 2301 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2302 2303 if (qlcnic_sriov_vf_check(adapter)) 2304 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2305 2306 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2307 netdev->features |= NETIF_F_LRO; 2308 2309 if (qlcnic_encap_tx_offload(adapter)) { 2310 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2311 2312 /* encapsulation Tx offload supported by Adapter */ 2313 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2314 NETIF_F_GSO_UDP_TUNNEL | 2315 NETIF_F_TSO | 2316 NETIF_F_TSO6; 2317 } 2318 2319 if (qlcnic_encap_rx_offload(adapter)) { 2320 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2321 2322 netdev->udp_tunnel_nic_info = &qlcnic_udp_tunnels; 2323 } 2324 2325 netdev->hw_features = netdev->features; 2326 netdev->priv_flags |= IFF_UNICAST_FLT; 2327 netdev->irq = adapter->msix_entries[0].vector; 2328 2329 /* MTU range: 68 - 9600 */ 2330 netdev->min_mtu = P3P_MIN_MTU; 2331 netdev->max_mtu = P3P_MAX_MTU; 2332 2333 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2334 adapter->drv_sds_rings); 2335 if (err) 2336 return err; 2337 2338 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2339 2340 err = register_netdev(netdev); 2341 if (err) { 2342 dev_err(&pdev->dev, "failed to register net device\n"); 2343 return err; 2344 } 2345 2346 return 0; 2347 } 2348 2349 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2350 { 2351 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2352 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2353 *pci_using_dac = 1; 2354 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2355 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2356 *pci_using_dac = 0; 2357 else { 2358 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2359 return -EIO; 2360 } 2361 2362 return 0; 2363 } 2364 2365 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2366 { 2367 int ring; 2368 struct qlcnic_host_tx_ring *tx_ring; 2369 2370 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2371 tx_ring = &adapter->tx_ring[ring]; 2372 if (tx_ring) { 2373 vfree(tx_ring->cmd_buf_arr); 2374 tx_ring->cmd_buf_arr = NULL; 2375 } 2376 } 2377 kfree(adapter->tx_ring); 2378 } 2379 2380 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2381 struct net_device *netdev) 2382 { 2383 int ring, vector, index; 2384 struct qlcnic_host_tx_ring *tx_ring; 2385 struct qlcnic_cmd_buffer *cmd_buf_arr; 2386 2387 tx_ring = kcalloc(adapter->drv_tx_rings, 2388 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2389 if (tx_ring == NULL) 2390 return -ENOMEM; 2391 2392 adapter->tx_ring = tx_ring; 2393 2394 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2395 tx_ring = &adapter->tx_ring[ring]; 2396 tx_ring->num_desc = adapter->num_txd; 2397 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2398 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2399 if (cmd_buf_arr == NULL) { 2400 qlcnic_free_tx_rings(adapter); 2401 return -ENOMEM; 2402 } 2403 tx_ring->cmd_buf_arr = cmd_buf_arr; 2404 spin_lock_init(&tx_ring->tx_clean_lock); 2405 } 2406 2407 if (qlcnic_83xx_check(adapter) || 2408 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2409 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2410 tx_ring = &adapter->tx_ring[ring]; 2411 tx_ring->adapter = adapter; 2412 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2413 index = adapter->drv_sds_rings + ring; 2414 vector = adapter->msix_entries[index].vector; 2415 tx_ring->irq = vector; 2416 } 2417 } 2418 } 2419 2420 return 0; 2421 } 2422 2423 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2424 { 2425 struct qlcnic_hardware_context *ahw = adapter->ahw; 2426 u32 fw_cmd = 0; 2427 2428 if (qlcnic_82xx_check(adapter)) 2429 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2430 else if (qlcnic_83xx_check(adapter)) 2431 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2432 2433 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2434 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2435 } 2436 2437 /* Reset firmware API lock */ 2438 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2439 { 2440 qlcnic_api_lock(adapter); 2441 qlcnic_api_unlock(adapter); 2442 } 2443 2444 2445 static int 2446 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2447 { 2448 struct net_device *netdev = NULL; 2449 struct qlcnic_adapter *adapter = NULL; 2450 struct qlcnic_hardware_context *ahw; 2451 int err, pci_using_dac = -1; 2452 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2453 2454 err = pci_enable_device(pdev); 2455 if (err) 2456 return err; 2457 2458 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2459 err = -ENODEV; 2460 goto err_out_disable_pdev; 2461 } 2462 2463 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2464 if (err) 2465 goto err_out_disable_pdev; 2466 2467 err = pci_request_regions(pdev, qlcnic_driver_name); 2468 if (err) 2469 goto err_out_disable_pdev; 2470 2471 pci_set_master(pdev); 2472 pci_enable_pcie_error_reporting(pdev); 2473 2474 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2475 if (!ahw) { 2476 err = -ENOMEM; 2477 goto err_out_free_res; 2478 } 2479 2480 switch (ent->device) { 2481 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2482 ahw->hw_ops = &qlcnic_hw_ops; 2483 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2484 break; 2485 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2486 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2487 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2488 qlcnic_83xx_register_map(ahw); 2489 break; 2490 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2491 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 2492 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2493 qlcnic_sriov_vf_register_map(ahw); 2494 break; 2495 default: 2496 goto err_out_free_hw_res; 2497 } 2498 2499 err = qlcnic_setup_pci_map(pdev, ahw); 2500 if (err) 2501 goto err_out_free_hw_res; 2502 2503 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2504 QLCNIC_MAX_TX_RINGS); 2505 if (!netdev) { 2506 err = -ENOMEM; 2507 goto err_out_iounmap; 2508 } 2509 2510 SET_NETDEV_DEV(netdev, &pdev->dev); 2511 2512 adapter = netdev_priv(netdev); 2513 adapter->netdev = netdev; 2514 adapter->pdev = pdev; 2515 adapter->ahw = ahw; 2516 2517 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2518 if (adapter->qlcnic_wq == NULL) { 2519 err = -ENOMEM; 2520 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2521 goto err_out_free_netdev; 2522 } 2523 2524 err = qlcnic_alloc_adapter_resources(adapter); 2525 if (err) 2526 goto err_out_free_wq; 2527 2528 adapter->dev_rst_time = jiffies; 2529 ahw->revision_id = pdev->revision; 2530 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2531 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2532 adapter->fdb_mac_learn = true; 2533 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2534 adapter->drv_mac_learn = true; 2535 2536 rwlock_init(&adapter->ahw->crb_lock); 2537 mutex_init(&adapter->ahw->mem_lock); 2538 2539 INIT_LIST_HEAD(&adapter->mac_list); 2540 2541 qlcnic_register_dcb(adapter); 2542 2543 if (qlcnic_82xx_check(adapter)) { 2544 qlcnic_check_vf(adapter, ent); 2545 adapter->portnum = adapter->ahw->pci_func; 2546 qlcnic_reset_api_lock(adapter); 2547 err = qlcnic_start_firmware(adapter); 2548 if (err) { 2549 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2550 "\t\tIf reboot doesn't help, try flashing the card\n"); 2551 goto err_out_maintenance_mode; 2552 } 2553 2554 /* compute and set default and max tx/sds rings */ 2555 if (adapter->ahw->msix_supported) { 2556 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2557 qlcnic_set_tx_ring_count(adapter, 2558 QLCNIC_SINGLE_RING); 2559 else 2560 qlcnic_set_tx_ring_count(adapter, 2561 QLCNIC_DEF_TX_RINGS); 2562 qlcnic_set_sds_ring_count(adapter, 2563 QLCNIC_DEF_SDS_RINGS); 2564 } else { 2565 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2566 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2567 } 2568 2569 err = qlcnic_setup_idc_param(adapter); 2570 if (err) 2571 goto err_out_free_hw; 2572 2573 adapter->flags |= QLCNIC_NEED_FLR; 2574 2575 } else if (qlcnic_83xx_check(adapter)) { 2576 qlcnic_83xx_check_vf(adapter, ent); 2577 adapter->portnum = adapter->ahw->pci_func; 2578 err = qlcnic_83xx_init(adapter, pci_using_dac); 2579 if (err) { 2580 switch (err) { 2581 case -ENOTRECOVERABLE: 2582 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2583 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2584 goto err_out_free_hw; 2585 case -ENOMEM: 2586 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2587 goto err_out_free_hw; 2588 case -EOPNOTSUPP: 2589 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2590 goto err_out_free_hw; 2591 default: 2592 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2593 goto err_out_maintenance_mode; 2594 } 2595 } 2596 2597 if (qlcnic_sriov_vf_check(adapter)) 2598 return 0; 2599 } else { 2600 dev_err(&pdev->dev, 2601 "%s: failed. Please Reboot\n", __func__); 2602 err = -ENODEV; 2603 goto err_out_free_hw; 2604 } 2605 2606 if (qlcnic_read_mac_addr(adapter)) 2607 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2608 2609 qlcnic_read_phys_port_id(adapter); 2610 2611 if (adapter->portnum == 0) { 2612 qlcnic_get_board_name(adapter, board_name); 2613 2614 pr_info("%s: %s Board Chip rev 0x%x\n", 2615 module_name(THIS_MODULE), 2616 board_name, adapter->ahw->revision_id); 2617 } 2618 2619 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2620 !!qlcnic_use_msi) 2621 dev_warn(&pdev->dev, 2622 "Device does not support MSI interrupts\n"); 2623 2624 if (qlcnic_82xx_check(adapter)) { 2625 qlcnic_dcb_enable(adapter->dcb); 2626 qlcnic_dcb_get_info(adapter->dcb); 2627 err = qlcnic_setup_intr(adapter); 2628 2629 if (err) { 2630 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2631 goto err_out_disable_msi; 2632 } 2633 } 2634 2635 err = qlcnic_get_act_pci_func(adapter); 2636 if (err) 2637 goto err_out_disable_mbx_intr; 2638 2639 if (adapter->portnum == 0) 2640 qlcnic_set_drv_version(adapter); 2641 2642 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2643 if (err) 2644 goto err_out_disable_mbx_intr; 2645 2646 pci_set_drvdata(pdev, adapter); 2647 2648 if (qlcnic_82xx_check(adapter)) 2649 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2650 FW_POLL_DELAY); 2651 2652 switch (adapter->ahw->port_type) { 2653 case QLCNIC_GBE: 2654 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2655 adapter->netdev->name); 2656 break; 2657 case QLCNIC_XGBE: 2658 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2659 adapter->netdev->name); 2660 break; 2661 } 2662 2663 if (adapter->drv_mac_learn) 2664 qlcnic_alloc_lb_filters_mem(adapter); 2665 2666 qlcnic_add_sysfs(adapter); 2667 qlcnic_register_hwmon_dev(adapter); 2668 return 0; 2669 2670 err_out_disable_mbx_intr: 2671 if (qlcnic_83xx_check(adapter)) 2672 qlcnic_83xx_free_mbx_intr(adapter); 2673 2674 err_out_disable_msi: 2675 qlcnic_teardown_intr(adapter); 2676 qlcnic_cancel_idc_work(adapter); 2677 qlcnic_clr_all_drv_state(adapter, 0); 2678 2679 err_out_free_hw: 2680 qlcnic_free_adapter_resources(adapter); 2681 2682 err_out_free_wq: 2683 destroy_workqueue(adapter->qlcnic_wq); 2684 2685 err_out_free_netdev: 2686 free_netdev(netdev); 2687 2688 err_out_iounmap: 2689 qlcnic_cleanup_pci_map(ahw); 2690 2691 err_out_free_hw_res: 2692 kfree(ahw); 2693 2694 err_out_free_res: 2695 pci_release_regions(pdev); 2696 2697 err_out_disable_pdev: 2698 pci_disable_device(pdev); 2699 return err; 2700 2701 err_out_maintenance_mode: 2702 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2703 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2704 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2705 ahw->port_type = QLCNIC_XGBE; 2706 2707 if (qlcnic_83xx_check(adapter)) 2708 adapter->tgt_status_reg = NULL; 2709 else 2710 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2711 2712 err = register_netdev(netdev); 2713 2714 if (err) { 2715 dev_err(&pdev->dev, "Failed to register net device\n"); 2716 qlcnic_clr_all_drv_state(adapter, 0); 2717 goto err_out_free_hw; 2718 } 2719 2720 pci_set_drvdata(pdev, adapter); 2721 qlcnic_add_sysfs(adapter); 2722 2723 return 0; 2724 } 2725 2726 static void qlcnic_remove(struct pci_dev *pdev) 2727 { 2728 struct qlcnic_adapter *adapter; 2729 struct net_device *netdev; 2730 struct qlcnic_hardware_context *ahw; 2731 2732 adapter = pci_get_drvdata(pdev); 2733 if (adapter == NULL) 2734 return; 2735 2736 netdev = adapter->netdev; 2737 2738 qlcnic_cancel_idc_work(adapter); 2739 qlcnic_sriov_pf_disable(adapter); 2740 ahw = adapter->ahw; 2741 2742 unregister_netdev(netdev); 2743 qlcnic_sriov_cleanup(adapter); 2744 2745 if (qlcnic_83xx_check(adapter)) { 2746 qlcnic_83xx_initialize_nic(adapter, 0); 2747 cancel_delayed_work_sync(&adapter->idc_aen_work); 2748 qlcnic_83xx_free_mbx_intr(adapter); 2749 qlcnic_83xx_detach_mailbox_work(adapter); 2750 qlcnic_83xx_free_mailbox(ahw->mailbox); 2751 kfree(ahw->fw_info); 2752 } 2753 2754 qlcnic_dcb_free(adapter->dcb); 2755 qlcnic_detach(adapter); 2756 kfree(adapter->npars); 2757 kfree(adapter->eswitch); 2758 2759 if (qlcnic_82xx_check(adapter)) 2760 qlcnic_clr_all_drv_state(adapter, 0); 2761 2762 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2763 2764 qlcnic_free_lb_filters_mem(adapter); 2765 2766 qlcnic_teardown_intr(adapter); 2767 2768 qlcnic_remove_sysfs(adapter); 2769 2770 qlcnic_unregister_hwmon_dev(adapter); 2771 2772 qlcnic_cleanup_pci_map(adapter->ahw); 2773 2774 qlcnic_release_firmware(adapter); 2775 2776 pci_disable_pcie_error_reporting(pdev); 2777 pci_release_regions(pdev); 2778 pci_disable_device(pdev); 2779 2780 if (adapter->qlcnic_wq) { 2781 destroy_workqueue(adapter->qlcnic_wq); 2782 adapter->qlcnic_wq = NULL; 2783 } 2784 2785 qlcnic_free_adapter_resources(adapter); 2786 kfree(ahw); 2787 free_netdev(netdev); 2788 } 2789 2790 static void qlcnic_shutdown(struct pci_dev *pdev) 2791 { 2792 if (__qlcnic_shutdown(pdev)) 2793 return; 2794 2795 pci_disable_device(pdev); 2796 } 2797 2798 static int __maybe_unused qlcnic_suspend(struct device *dev_d) 2799 { 2800 return __qlcnic_shutdown(to_pci_dev(dev_d)); 2801 } 2802 2803 static int __maybe_unused qlcnic_resume(struct device *dev_d) 2804 { 2805 struct qlcnic_adapter *adapter = dev_get_drvdata(dev_d); 2806 2807 return __qlcnic_resume(adapter); 2808 } 2809 2810 static int qlcnic_open(struct net_device *netdev) 2811 { 2812 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2813 int err; 2814 2815 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2816 netdev_err(netdev, "%s: Device is in non-operational state\n", 2817 __func__); 2818 2819 return -EIO; 2820 } 2821 2822 netif_carrier_off(netdev); 2823 2824 err = qlcnic_attach(adapter); 2825 if (err) 2826 return err; 2827 2828 err = __qlcnic_up(adapter, netdev); 2829 if (err) 2830 qlcnic_detach(adapter); 2831 2832 return err; 2833 } 2834 2835 /* 2836 * qlcnic_close - Disables a network interface entry point 2837 */ 2838 static int qlcnic_close(struct net_device *netdev) 2839 { 2840 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2841 2842 __qlcnic_down(adapter, netdev); 2843 2844 return 0; 2845 } 2846 2847 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2848 2849 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2850 { 2851 void *head; 2852 int i; 2853 struct net_device *netdev = adapter->netdev; 2854 u32 filter_size = 0; 2855 u16 act_pci_func = 0; 2856 2857 if (adapter->fhash.fmax && adapter->fhash.fhead) 2858 return; 2859 2860 act_pci_func = adapter->ahw->total_nic_func; 2861 spin_lock_init(&adapter->mac_learn_lock); 2862 spin_lock_init(&adapter->rx_mac_learn_lock); 2863 2864 if (qlcnic_sriov_vf_check(adapter)) { 2865 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2866 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2867 } else if (qlcnic_82xx_check(adapter)) { 2868 filter_size = QLCNIC_LB_MAX_FILTERS; 2869 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2870 } else { 2871 filter_size = QLC_83XX_LB_MAX_FILTERS; 2872 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2873 } 2874 2875 head = kcalloc(adapter->fhash.fbucket_size, 2876 sizeof(struct hlist_head), GFP_ATOMIC); 2877 2878 if (!head) 2879 return; 2880 2881 adapter->fhash.fmax = (filter_size / act_pci_func); 2882 adapter->fhash.fhead = head; 2883 2884 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2885 act_pci_func, adapter->fhash.fmax); 2886 2887 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2888 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2889 2890 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2891 2892 head = kcalloc(adapter->rx_fhash.fbucket_size, 2893 sizeof(struct hlist_head), GFP_ATOMIC); 2894 2895 if (!head) 2896 return; 2897 2898 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2899 adapter->rx_fhash.fhead = head; 2900 2901 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2902 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2903 } 2904 2905 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2906 { 2907 if (adapter->fhash.fmax) 2908 kfree(adapter->fhash.fhead); 2909 2910 adapter->fhash.fhead = NULL; 2911 adapter->fhash.fmax = 0; 2912 2913 if (adapter->rx_fhash.fmax) 2914 kfree(adapter->rx_fhash.fhead); 2915 2916 adapter->rx_fhash.fmax = 0; 2917 adapter->rx_fhash.fhead = NULL; 2918 } 2919 2920 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2921 { 2922 struct net_device *netdev = adapter->netdev; 2923 u32 temp_state, temp_val, temp = 0; 2924 int rv = 0; 2925 2926 if (qlcnic_83xx_check(adapter)) 2927 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2928 2929 if (qlcnic_82xx_check(adapter)) 2930 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2931 2932 temp_state = qlcnic_get_temp_state(temp); 2933 temp_val = qlcnic_get_temp_val(temp); 2934 2935 if (temp_state == QLCNIC_TEMP_PANIC) { 2936 dev_err(&netdev->dev, 2937 "Device temperature %d degrees C exceeds" 2938 " maximum allowed. Hardware has been shut down.\n", 2939 temp_val); 2940 rv = 1; 2941 } else if (temp_state == QLCNIC_TEMP_WARN) { 2942 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2943 dev_err(&netdev->dev, 2944 "Device temperature %d degrees C " 2945 "exceeds operating range." 2946 " Immediate action needed.\n", 2947 temp_val); 2948 } 2949 } else { 2950 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2951 dev_info(&netdev->dev, 2952 "Device temperature is now %d degrees C" 2953 " in normal range.\n", temp_val); 2954 } 2955 } 2956 adapter->ahw->temp = temp_state; 2957 return rv; 2958 } 2959 2960 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2961 { 2962 int i; 2963 2964 for (i = 0; i < tx_ring->num_desc; i++) { 2965 pr_info("TX Desc: %d\n", i); 2966 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 2967 &tx_ring->desc_head[i], 2968 sizeof(struct cmd_desc_type0), true); 2969 } 2970 } 2971 2972 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 2973 { 2974 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2975 struct net_device *netdev = adapter->netdev; 2976 struct qlcnic_host_rds_ring *rds_ring; 2977 struct qlcnic_host_sds_ring *sds_ring; 2978 struct qlcnic_host_tx_ring *tx_ring; 2979 int ring; 2980 2981 if (!netdev || !netif_running(netdev)) 2982 return; 2983 2984 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2985 rds_ring = &recv_ctx->rds_rings[ring]; 2986 if (!rds_ring) 2987 continue; 2988 netdev_info(netdev, 2989 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 2990 ring, readl(rds_ring->crb_rcv_producer), 2991 rds_ring->producer, rds_ring->num_desc); 2992 } 2993 2994 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2995 sds_ring = &(recv_ctx->sds_rings[ring]); 2996 if (!sds_ring) 2997 continue; 2998 netdev_info(netdev, 2999 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 3000 ring, readl(sds_ring->crb_sts_consumer), 3001 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3002 sds_ring->num_desc); 3003 } 3004 3005 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3006 tx_ring = &adapter->tx_ring[ring]; 3007 if (!tx_ring) 3008 continue; 3009 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3010 ring, tx_ring->ctx_id); 3011 netdev_info(netdev, 3012 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3013 tx_ring->tx_stats.xmit_finished, 3014 tx_ring->tx_stats.xmit_called, 3015 tx_ring->tx_stats.xmit_on, 3016 tx_ring->tx_stats.xmit_off); 3017 3018 if (tx_ring->crb_intr_mask) 3019 netdev_info(netdev, "crb_intr_mask=%d\n", 3020 readl(tx_ring->crb_intr_mask)); 3021 3022 netdev_info(netdev, 3023 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3024 readl(tx_ring->crb_cmd_producer), 3025 tx_ring->producer, tx_ring->sw_consumer, 3026 le32_to_cpu(*(tx_ring->hw_consumer))); 3027 3028 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3029 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3030 3031 if (netif_msg_tx_err(adapter->ahw)) 3032 dump_tx_ring_desc(tx_ring); 3033 } 3034 3035 } 3036 3037 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue) 3038 { 3039 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3040 3041 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3042 return; 3043 3044 qlcnic_dump_rings(adapter); 3045 3046 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3047 netif_msg_tx_err(adapter->ahw)) { 3048 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3049 if (qlcnic_82xx_check(adapter)) 3050 adapter->need_fw_reset = 1; 3051 else if (qlcnic_83xx_check(adapter)) 3052 qlcnic_83xx_idc_request_reset(adapter, 3053 QLCNIC_FORCE_FW_DUMP_KEY); 3054 } else { 3055 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3056 adapter->ahw->reset_context = 1; 3057 } 3058 } 3059 3060 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3061 { 3062 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3063 struct net_device_stats *stats = &netdev->stats; 3064 3065 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3066 qlcnic_update_stats(adapter); 3067 3068 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3069 stats->tx_packets = adapter->stats.xmitfinished; 3070 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3071 stats->tx_bytes = adapter->stats.txbytes; 3072 stats->rx_dropped = adapter->stats.rxdropped; 3073 stats->tx_dropped = adapter->stats.txdropped; 3074 3075 return stats; 3076 } 3077 3078 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3079 { 3080 u32 status; 3081 3082 status = readl(adapter->isr_int_vec); 3083 3084 if (!(status & adapter->ahw->int_vec_bit)) 3085 return IRQ_NONE; 3086 3087 /* check interrupt state machine, to be sure */ 3088 status = readl(adapter->crb_int_state_reg); 3089 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3090 return IRQ_NONE; 3091 3092 writel(0xffffffff, adapter->tgt_status_reg); 3093 /* read twice to ensure write is flushed */ 3094 readl(adapter->isr_int_vec); 3095 readl(adapter->isr_int_vec); 3096 3097 return IRQ_HANDLED; 3098 } 3099 3100 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3101 { 3102 struct qlcnic_host_sds_ring *sds_ring = data; 3103 struct qlcnic_adapter *adapter = sds_ring->adapter; 3104 3105 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3106 goto done; 3107 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3108 writel(0xffffffff, adapter->tgt_status_reg); 3109 goto done; 3110 } 3111 3112 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3113 return IRQ_NONE; 3114 3115 done: 3116 adapter->ahw->diag_cnt++; 3117 qlcnic_enable_sds_intr(adapter, sds_ring); 3118 return IRQ_HANDLED; 3119 } 3120 3121 static irqreturn_t qlcnic_intr(int irq, void *data) 3122 { 3123 struct qlcnic_host_sds_ring *sds_ring = data; 3124 struct qlcnic_adapter *adapter = sds_ring->adapter; 3125 3126 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3127 return IRQ_NONE; 3128 3129 napi_schedule(&sds_ring->napi); 3130 3131 return IRQ_HANDLED; 3132 } 3133 3134 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3135 { 3136 struct qlcnic_host_sds_ring *sds_ring = data; 3137 struct qlcnic_adapter *adapter = sds_ring->adapter; 3138 3139 /* clear interrupt */ 3140 writel(0xffffffff, adapter->tgt_status_reg); 3141 3142 napi_schedule(&sds_ring->napi); 3143 return IRQ_HANDLED; 3144 } 3145 3146 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3147 { 3148 struct qlcnic_host_sds_ring *sds_ring = data; 3149 3150 napi_schedule(&sds_ring->napi); 3151 return IRQ_HANDLED; 3152 } 3153 3154 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3155 { 3156 struct qlcnic_host_tx_ring *tx_ring = data; 3157 3158 napi_schedule(&tx_ring->napi); 3159 return IRQ_HANDLED; 3160 } 3161 3162 static void 3163 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3164 { 3165 u32 val; 3166 3167 val = adapter->portnum & 0xf; 3168 val |= encoding << 7; 3169 val |= (jiffies - adapter->dev_rst_time) << 8; 3170 3171 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3172 adapter->dev_rst_time = jiffies; 3173 } 3174 3175 static int 3176 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3177 { 3178 u32 val; 3179 3180 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3181 state != QLCNIC_DEV_NEED_QUISCENT); 3182 3183 if (qlcnic_api_lock(adapter)) 3184 return -EIO; 3185 3186 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3187 3188 if (state == QLCNIC_DEV_NEED_RESET) 3189 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3190 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3191 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3192 3193 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3194 3195 qlcnic_api_unlock(adapter); 3196 3197 return 0; 3198 } 3199 3200 static int 3201 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3202 { 3203 u32 val; 3204 3205 if (qlcnic_api_lock(adapter)) 3206 return -EBUSY; 3207 3208 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3209 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3210 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3211 3212 qlcnic_api_unlock(adapter); 3213 3214 return 0; 3215 } 3216 3217 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3218 { 3219 u32 val; 3220 3221 if (qlcnic_api_lock(adapter)) 3222 goto err; 3223 3224 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3225 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3226 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3227 3228 if (failed) { 3229 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3230 QLCNIC_DEV_FAILED); 3231 dev_info(&adapter->pdev->dev, 3232 "Device state set to Failed. Please Reboot\n"); 3233 } else if (!(val & 0x11111111)) 3234 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3235 QLCNIC_DEV_COLD); 3236 3237 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3238 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3239 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3240 3241 qlcnic_api_unlock(adapter); 3242 err: 3243 adapter->fw_fail_cnt = 0; 3244 adapter->flags &= ~QLCNIC_FW_HANG; 3245 clear_bit(__QLCNIC_START_FW, &adapter->state); 3246 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3247 } 3248 3249 /* Grab api lock, before checking state */ 3250 static int 3251 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3252 { 3253 int act, state, active_mask; 3254 struct qlcnic_hardware_context *ahw = adapter->ahw; 3255 3256 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3257 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3258 3259 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3260 active_mask = (~(1 << (ahw->pci_func * 4))); 3261 act = act & active_mask; 3262 } 3263 3264 if (((state & 0x11111111) == (act & 0x11111111)) || 3265 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3266 return 0; 3267 else 3268 return 1; 3269 } 3270 3271 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3272 { 3273 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3274 3275 if (val != QLCNIC_DRV_IDC_VER) { 3276 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3277 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3278 } 3279 3280 return 0; 3281 } 3282 3283 static int 3284 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3285 { 3286 u32 val, prev_state; 3287 u8 dev_init_timeo = adapter->dev_init_timeo; 3288 u8 portnum = adapter->portnum; 3289 u8 ret; 3290 3291 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3292 return 1; 3293 3294 if (qlcnic_api_lock(adapter)) 3295 return -1; 3296 3297 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3298 if (!(val & (1 << (portnum * 4)))) { 3299 QLC_DEV_SET_REF_CNT(val, portnum); 3300 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3301 } 3302 3303 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3304 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3305 3306 switch (prev_state) { 3307 case QLCNIC_DEV_COLD: 3308 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3309 QLCNIC_DEV_INITIALIZING); 3310 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3311 QLCNIC_DRV_IDC_VER); 3312 qlcnic_idc_debug_info(adapter, 0); 3313 qlcnic_api_unlock(adapter); 3314 return 1; 3315 3316 case QLCNIC_DEV_READY: 3317 ret = qlcnic_check_idc_ver(adapter); 3318 qlcnic_api_unlock(adapter); 3319 return ret; 3320 3321 case QLCNIC_DEV_NEED_RESET: 3322 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3323 QLC_DEV_SET_RST_RDY(val, portnum); 3324 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3325 break; 3326 3327 case QLCNIC_DEV_NEED_QUISCENT: 3328 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3329 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3330 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3331 break; 3332 3333 case QLCNIC_DEV_FAILED: 3334 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3335 qlcnic_api_unlock(adapter); 3336 return -1; 3337 3338 case QLCNIC_DEV_INITIALIZING: 3339 case QLCNIC_DEV_QUISCENT: 3340 break; 3341 } 3342 3343 qlcnic_api_unlock(adapter); 3344 3345 do { 3346 msleep(1000); 3347 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3348 3349 if (prev_state == QLCNIC_DEV_QUISCENT) 3350 continue; 3351 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3352 3353 if (!dev_init_timeo) { 3354 dev_err(&adapter->pdev->dev, 3355 "Waiting for device to initialize timeout\n"); 3356 return -1; 3357 } 3358 3359 if (qlcnic_api_lock(adapter)) 3360 return -1; 3361 3362 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3363 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3364 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3365 3366 ret = qlcnic_check_idc_ver(adapter); 3367 qlcnic_api_unlock(adapter); 3368 3369 return ret; 3370 } 3371 3372 static void 3373 qlcnic_fwinit_work(struct work_struct *work) 3374 { 3375 struct qlcnic_adapter *adapter = container_of(work, 3376 struct qlcnic_adapter, fw_work.work); 3377 u32 dev_state = 0xf; 3378 u32 val; 3379 3380 if (qlcnic_api_lock(adapter)) 3381 goto err_ret; 3382 3383 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3384 if (dev_state == QLCNIC_DEV_QUISCENT || 3385 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3386 qlcnic_api_unlock(adapter); 3387 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3388 FW_POLL_DELAY * 2); 3389 return; 3390 } 3391 3392 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3393 qlcnic_api_unlock(adapter); 3394 goto wait_npar; 3395 } 3396 3397 if (dev_state == QLCNIC_DEV_INITIALIZING || 3398 dev_state == QLCNIC_DEV_READY) { 3399 dev_info(&adapter->pdev->dev, "Detected state change from " 3400 "DEV_NEED_RESET, skipping ack check\n"); 3401 goto skip_ack_check; 3402 } 3403 3404 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3405 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3406 adapter->reset_ack_timeo); 3407 goto skip_ack_check; 3408 } 3409 3410 if (!qlcnic_check_drv_state(adapter)) { 3411 skip_ack_check: 3412 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3413 3414 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3415 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3416 QLCNIC_DEV_INITIALIZING); 3417 set_bit(__QLCNIC_START_FW, &adapter->state); 3418 QLCDB(adapter, DRV, "Restarting fw\n"); 3419 qlcnic_idc_debug_info(adapter, 0); 3420 val = QLC_SHARED_REG_RD32(adapter, 3421 QLCNIC_CRB_DRV_STATE); 3422 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3423 QLC_SHARED_REG_WR32(adapter, 3424 QLCNIC_CRB_DRV_STATE, val); 3425 } 3426 3427 qlcnic_api_unlock(adapter); 3428 3429 rtnl_lock(); 3430 if (qlcnic_check_fw_dump_state(adapter) && 3431 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3432 QLCDB(adapter, DRV, "Take FW dump\n"); 3433 qlcnic_dump_fw(adapter); 3434 adapter->flags |= QLCNIC_FW_HANG; 3435 } 3436 rtnl_unlock(); 3437 3438 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3439 if (!adapter->nic_ops->start_firmware(adapter)) { 3440 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3441 adapter->fw_wait_cnt = 0; 3442 return; 3443 } 3444 goto err_ret; 3445 } 3446 3447 qlcnic_api_unlock(adapter); 3448 3449 wait_npar: 3450 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3451 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3452 3453 switch (dev_state) { 3454 case QLCNIC_DEV_READY: 3455 if (!qlcnic_start_firmware(adapter)) { 3456 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3457 adapter->fw_wait_cnt = 0; 3458 return; 3459 } 3460 case QLCNIC_DEV_FAILED: 3461 break; 3462 default: 3463 qlcnic_schedule_work(adapter, 3464 qlcnic_fwinit_work, FW_POLL_DELAY); 3465 return; 3466 } 3467 3468 err_ret: 3469 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3470 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3471 netif_device_attach(adapter->netdev); 3472 qlcnic_clr_all_drv_state(adapter, 0); 3473 } 3474 3475 static void 3476 qlcnic_detach_work(struct work_struct *work) 3477 { 3478 struct qlcnic_adapter *adapter = container_of(work, 3479 struct qlcnic_adapter, fw_work.work); 3480 struct net_device *netdev = adapter->netdev; 3481 u32 status; 3482 3483 netif_device_detach(netdev); 3484 3485 /* Dont grab rtnl lock during Quiscent mode */ 3486 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3487 if (netif_running(netdev)) 3488 __qlcnic_down(adapter, netdev); 3489 } else 3490 qlcnic_down(adapter, netdev); 3491 3492 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3493 3494 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3495 dev_err(&adapter->pdev->dev, 3496 "Detaching the device: peg halt status1=0x%x\n", 3497 status); 3498 3499 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3500 dev_err(&adapter->pdev->dev, 3501 "On board active cooling fan failed. " 3502 "Device has been halted.\n"); 3503 dev_err(&adapter->pdev->dev, 3504 "Replace the adapter.\n"); 3505 } 3506 3507 goto err_ret; 3508 } 3509 3510 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3511 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3512 adapter->ahw->temp); 3513 goto err_ret; 3514 } 3515 3516 /* Dont ack if this instance is the reset owner */ 3517 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3518 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3519 dev_err(&adapter->pdev->dev, 3520 "Failed to set driver state," 3521 "detaching the device.\n"); 3522 goto err_ret; 3523 } 3524 } 3525 3526 adapter->fw_wait_cnt = 0; 3527 3528 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3529 3530 return; 3531 3532 err_ret: 3533 netif_device_attach(netdev); 3534 qlcnic_clr_all_drv_state(adapter, 1); 3535 } 3536 3537 /*Transit NPAR state to NON Operational */ 3538 static void 3539 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3540 { 3541 u32 state; 3542 3543 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3544 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3545 return; 3546 3547 if (qlcnic_api_lock(adapter)) 3548 return; 3549 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3550 QLCNIC_DEV_NPAR_NON_OPER); 3551 qlcnic_api_unlock(adapter); 3552 } 3553 3554 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3555 u32 key) 3556 { 3557 u32 state, xg_val = 0, gb_val = 0; 3558 3559 qlcnic_xg_set_xg0_mask(xg_val); 3560 qlcnic_xg_set_xg1_mask(xg_val); 3561 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3562 qlcnic_gb_set_gb0_mask(gb_val); 3563 qlcnic_gb_set_gb1_mask(gb_val); 3564 qlcnic_gb_set_gb2_mask(gb_val); 3565 qlcnic_gb_set_gb3_mask(gb_val); 3566 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3567 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3568 " on all ports\n"); 3569 adapter->need_fw_reset = 1; 3570 3571 if (qlcnic_api_lock(adapter)) 3572 return; 3573 3574 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3575 3576 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3577 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3578 __func__); 3579 qlcnic_api_unlock(adapter); 3580 3581 return; 3582 } 3583 3584 if (state == QLCNIC_DEV_READY) { 3585 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3586 QLCNIC_DEV_NEED_RESET); 3587 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3588 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3589 qlcnic_idc_debug_info(adapter, 0); 3590 } 3591 3592 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3593 QLCNIC_DEV_NPAR_NON_OPER); 3594 qlcnic_api_unlock(adapter); 3595 } 3596 3597 /* Transit to NPAR READY state from NPAR NOT READY state */ 3598 static void 3599 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3600 { 3601 if (qlcnic_api_lock(adapter)) 3602 return; 3603 3604 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3605 QLCNIC_DEV_NPAR_OPER); 3606 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3607 3608 qlcnic_api_unlock(adapter); 3609 } 3610 3611 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3612 work_func_t func, int delay) 3613 { 3614 if (test_bit(__QLCNIC_AER, &adapter->state)) 3615 return; 3616 3617 INIT_DELAYED_WORK(&adapter->fw_work, func); 3618 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3619 round_jiffies_relative(delay)); 3620 } 3621 3622 static void 3623 qlcnic_attach_work(struct work_struct *work) 3624 { 3625 struct qlcnic_adapter *adapter = container_of(work, 3626 struct qlcnic_adapter, fw_work.work); 3627 struct net_device *netdev = adapter->netdev; 3628 u32 npar_state; 3629 3630 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3631 npar_state = QLC_SHARED_REG_RD32(adapter, 3632 QLCNIC_CRB_DEV_NPAR_STATE); 3633 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3634 qlcnic_clr_all_drv_state(adapter, 0); 3635 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3636 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3637 FW_POLL_DELAY); 3638 else 3639 goto attach; 3640 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3641 return; 3642 } 3643 attach: 3644 qlcnic_dcb_get_info(adapter->dcb); 3645 3646 if (netif_running(netdev)) { 3647 if (qlcnic_up(adapter, netdev)) 3648 goto done; 3649 3650 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3651 } 3652 3653 done: 3654 netif_device_attach(netdev); 3655 adapter->fw_fail_cnt = 0; 3656 adapter->flags &= ~QLCNIC_FW_HANG; 3657 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3658 if (adapter->portnum == 0) 3659 qlcnic_set_drv_version(adapter); 3660 3661 if (!qlcnic_clr_drv_state(adapter)) 3662 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3663 FW_POLL_DELAY); 3664 } 3665 3666 static int 3667 qlcnic_check_health(struct qlcnic_adapter *adapter) 3668 { 3669 struct qlcnic_hardware_context *ahw = adapter->ahw; 3670 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3671 u32 state = 0, heartbeat; 3672 u32 peg_status; 3673 int err = 0; 3674 3675 if (qlcnic_check_temp(adapter)) 3676 goto detach; 3677 3678 if (adapter->need_fw_reset) 3679 qlcnic_dev_request_reset(adapter, 0); 3680 3681 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3682 if (state == QLCNIC_DEV_NEED_RESET) { 3683 qlcnic_set_npar_non_operational(adapter); 3684 adapter->need_fw_reset = 1; 3685 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3686 goto detach; 3687 3688 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3689 if (heartbeat != adapter->heartbeat) { 3690 adapter->heartbeat = heartbeat; 3691 adapter->fw_fail_cnt = 0; 3692 if (adapter->need_fw_reset) 3693 goto detach; 3694 3695 if (ahw->reset_context && qlcnic_auto_fw_reset) 3696 qlcnic_reset_hw_context(adapter); 3697 3698 return 0; 3699 } 3700 3701 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3702 return 0; 3703 3704 adapter->flags |= QLCNIC_FW_HANG; 3705 3706 qlcnic_dev_request_reset(adapter, 0); 3707 3708 if (qlcnic_auto_fw_reset) 3709 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3710 3711 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3712 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3713 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3714 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3715 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3716 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3717 "PEG_NET_4_PC: 0x%x\n", 3718 peg_status, 3719 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3720 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3721 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3722 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3723 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3724 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3725 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3726 dev_err(&adapter->pdev->dev, 3727 "Firmware aborted with error code 0x00006700. " 3728 "Device is being reset.\n"); 3729 detach: 3730 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3731 QLCNIC_DEV_NEED_RESET; 3732 3733 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3734 &adapter->state)) { 3735 3736 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3737 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3738 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3739 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3740 qlcnic_dump_fw(adapter); 3741 } 3742 3743 return 1; 3744 } 3745 3746 void qlcnic_fw_poll_work(struct work_struct *work) 3747 { 3748 struct qlcnic_adapter *adapter = container_of(work, 3749 struct qlcnic_adapter, fw_work.work); 3750 3751 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3752 goto reschedule; 3753 3754 3755 if (qlcnic_check_health(adapter)) 3756 return; 3757 3758 if (adapter->fhash.fnum) 3759 qlcnic_prune_lb_filters(adapter); 3760 3761 reschedule: 3762 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3763 } 3764 3765 static int qlcnic_is_first_func(struct pci_dev *pdev) 3766 { 3767 struct pci_dev *oth_pdev; 3768 int val = pdev->devfn; 3769 3770 while (val-- > 0) { 3771 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3772 (pdev->bus), pdev->bus->number, 3773 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3774 if (!oth_pdev) 3775 continue; 3776 3777 if (oth_pdev->current_state != PCI_D3cold) { 3778 pci_dev_put(oth_pdev); 3779 return 0; 3780 } 3781 pci_dev_put(oth_pdev); 3782 } 3783 return 1; 3784 } 3785 3786 static int qlcnic_attach_func(struct pci_dev *pdev) 3787 { 3788 int err, first_func; 3789 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3790 struct net_device *netdev = adapter->netdev; 3791 3792 pdev->error_state = pci_channel_io_normal; 3793 3794 err = pci_enable_device(pdev); 3795 if (err) 3796 return err; 3797 3798 pci_set_master(pdev); 3799 pci_restore_state(pdev); 3800 3801 first_func = qlcnic_is_first_func(pdev); 3802 3803 if (qlcnic_api_lock(adapter)) 3804 return -EINVAL; 3805 3806 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3807 adapter->need_fw_reset = 1; 3808 set_bit(__QLCNIC_START_FW, &adapter->state); 3809 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3810 QLCNIC_DEV_INITIALIZING); 3811 QLCDB(adapter, DRV, "Restarting fw\n"); 3812 } 3813 qlcnic_api_unlock(adapter); 3814 3815 err = qlcnic_start_firmware(adapter); 3816 if (err) 3817 return err; 3818 3819 qlcnic_clr_drv_state(adapter); 3820 kfree(adapter->msix_entries); 3821 adapter->msix_entries = NULL; 3822 err = qlcnic_setup_intr(adapter); 3823 3824 if (err) { 3825 kfree(adapter->msix_entries); 3826 netdev_err(netdev, "failed to setup interrupt\n"); 3827 return err; 3828 } 3829 3830 if (netif_running(netdev)) { 3831 err = qlcnic_attach(adapter); 3832 if (err) { 3833 qlcnic_clr_all_drv_state(adapter, 1); 3834 clear_bit(__QLCNIC_AER, &adapter->state); 3835 netif_device_attach(netdev); 3836 return err; 3837 } 3838 3839 err = qlcnic_up(adapter, netdev); 3840 if (err) 3841 goto done; 3842 3843 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3844 } 3845 done: 3846 netif_device_attach(netdev); 3847 return err; 3848 } 3849 3850 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3851 pci_channel_state_t state) 3852 { 3853 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3854 struct net_device *netdev = adapter->netdev; 3855 3856 if (state == pci_channel_io_perm_failure) 3857 return PCI_ERS_RESULT_DISCONNECT; 3858 3859 if (state == pci_channel_io_normal) 3860 return PCI_ERS_RESULT_RECOVERED; 3861 3862 set_bit(__QLCNIC_AER, &adapter->state); 3863 netif_device_detach(netdev); 3864 3865 cancel_delayed_work_sync(&adapter->fw_work); 3866 3867 if (netif_running(netdev)) 3868 qlcnic_down(adapter, netdev); 3869 3870 qlcnic_detach(adapter); 3871 qlcnic_teardown_intr(adapter); 3872 3873 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3874 3875 pci_save_state(pdev); 3876 pci_disable_device(pdev); 3877 3878 return PCI_ERS_RESULT_NEED_RESET; 3879 } 3880 3881 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3882 { 3883 pci_ers_result_t res; 3884 3885 rtnl_lock(); 3886 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3887 PCI_ERS_RESULT_RECOVERED; 3888 rtnl_unlock(); 3889 3890 return res; 3891 } 3892 3893 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3894 { 3895 u32 state; 3896 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3897 3898 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3899 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3900 &adapter->state)) 3901 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3902 FW_POLL_DELAY); 3903 } 3904 3905 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3906 pci_channel_state_t state) 3907 { 3908 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3909 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3910 3911 if (hw_ops->io_error_detected) { 3912 return hw_ops->io_error_detected(pdev, state); 3913 } else { 3914 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3915 return PCI_ERS_RESULT_DISCONNECT; 3916 } 3917 } 3918 3919 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3920 { 3921 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3922 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3923 3924 if (hw_ops->io_slot_reset) { 3925 return hw_ops->io_slot_reset(pdev); 3926 } else { 3927 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3928 return PCI_ERS_RESULT_DISCONNECT; 3929 } 3930 } 3931 3932 static void qlcnic_io_resume(struct pci_dev *pdev) 3933 { 3934 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3935 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3936 3937 if (hw_ops->io_resume) 3938 hw_ops->io_resume(pdev); 3939 else 3940 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3941 } 3942 3943 3944 static int 3945 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3946 { 3947 int err; 3948 3949 err = qlcnic_can_start_firmware(adapter); 3950 if (err) 3951 return err; 3952 3953 err = qlcnic_check_npar_opertional(adapter); 3954 if (err) 3955 return err; 3956 3957 err = qlcnic_initialize_nic(adapter); 3958 if (err) 3959 return err; 3960 3961 qlcnic_check_options(adapter); 3962 3963 err = qlcnic_set_eswitch_port_config(adapter); 3964 if (err) 3965 return err; 3966 3967 adapter->need_fw_reset = 0; 3968 3969 return err; 3970 } 3971 3972 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 3973 int queue_type) 3974 { 3975 struct net_device *netdev = adapter->netdev; 3976 char buf[8]; 3977 3978 if (queue_type == QLCNIC_RX_QUEUE) 3979 strcpy(buf, "SDS"); 3980 else 3981 strcpy(buf, "Tx"); 3982 3983 if (!is_power_of_2(ring_cnt)) { 3984 netdev_err(netdev, "%s rings value should be a power of 2\n", 3985 buf); 3986 return -EINVAL; 3987 } 3988 3989 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 3990 !qlcnic_check_multi_tx(adapter)) { 3991 netdev_err(netdev, "No Multi Tx queue support\n"); 3992 return -EINVAL; 3993 } 3994 3995 if (ring_cnt > num_online_cpus()) { 3996 netdev_err(netdev, 3997 "%s value[%u] should not be higher than, number of online CPUs\n", 3998 buf, num_online_cpus()); 3999 return -EINVAL; 4000 } 4001 4002 return 0; 4003 } 4004 4005 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4006 { 4007 struct net_device *netdev = adapter->netdev; 4008 u8 tx_rings, rx_rings; 4009 int err; 4010 4011 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4012 return -EBUSY; 4013 4014 tx_rings = adapter->drv_tss_rings; 4015 rx_rings = adapter->drv_rss_rings; 4016 4017 netif_device_detach(netdev); 4018 4019 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4020 if (err) 4021 goto done; 4022 4023 if (netif_running(netdev)) 4024 __qlcnic_down(adapter, netdev); 4025 4026 qlcnic_detach(adapter); 4027 4028 if (qlcnic_83xx_check(adapter)) { 4029 qlcnic_83xx_free_mbx_intr(adapter); 4030 qlcnic_83xx_enable_mbx_poll(adapter); 4031 } 4032 4033 qlcnic_teardown_intr(adapter); 4034 4035 err = qlcnic_setup_intr(adapter); 4036 if (err) { 4037 kfree(adapter->msix_entries); 4038 netdev_err(netdev, "failed to setup interrupt\n"); 4039 return err; 4040 } 4041 4042 /* Check if we need to update real_num_{tx|rx}_queues because 4043 * qlcnic_setup_intr() may change Tx/Rx rings size 4044 */ 4045 if ((tx_rings != adapter->drv_tx_rings) || 4046 (rx_rings != adapter->drv_sds_rings)) { 4047 err = qlcnic_set_real_num_queues(adapter, 4048 adapter->drv_tx_rings, 4049 adapter->drv_sds_rings); 4050 if (err) 4051 goto done; 4052 } 4053 4054 if (qlcnic_83xx_check(adapter)) { 4055 qlcnic_83xx_initialize_nic(adapter, 1); 4056 err = qlcnic_83xx_setup_mbx_intr(adapter); 4057 qlcnic_83xx_disable_mbx_poll(adapter); 4058 if (err) { 4059 dev_err(&adapter->pdev->dev, 4060 "failed to setup mbx interrupt\n"); 4061 goto done; 4062 } 4063 } 4064 4065 if (netif_running(netdev)) { 4066 err = qlcnic_attach(adapter); 4067 if (err) 4068 goto done; 4069 err = __qlcnic_up(adapter, netdev); 4070 if (err) 4071 goto done; 4072 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4073 } 4074 done: 4075 netif_device_attach(netdev); 4076 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4077 return err; 4078 } 4079 4080 #ifdef CONFIG_INET 4081 4082 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4083 4084 static void 4085 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4086 struct net_device *dev, unsigned long event) 4087 { 4088 const struct in_ifaddr *ifa; 4089 struct in_device *indev; 4090 4091 indev = in_dev_get(dev); 4092 if (!indev) 4093 return; 4094 4095 in_dev_for_each_ifa_rtnl(ifa, indev) { 4096 switch (event) { 4097 case NETDEV_UP: 4098 qlcnic_config_ipaddr(adapter, 4099 ifa->ifa_address, QLCNIC_IP_UP); 4100 break; 4101 case NETDEV_DOWN: 4102 qlcnic_config_ipaddr(adapter, 4103 ifa->ifa_address, QLCNIC_IP_DOWN); 4104 break; 4105 default: 4106 break; 4107 } 4108 } 4109 4110 in_dev_put(indev); 4111 } 4112 4113 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4114 { 4115 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4116 struct net_device *dev; 4117 u16 vid; 4118 4119 qlcnic_config_indev_addr(adapter, netdev, event); 4120 4121 rcu_read_lock(); 4122 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4123 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4124 if (!dev) 4125 continue; 4126 qlcnic_config_indev_addr(adapter, dev, event); 4127 } 4128 rcu_read_unlock(); 4129 } 4130 4131 static int qlcnic_netdev_event(struct notifier_block *this, 4132 unsigned long event, void *ptr) 4133 { 4134 struct qlcnic_adapter *adapter; 4135 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4136 4137 recheck: 4138 if (dev == NULL) 4139 goto done; 4140 4141 if (is_vlan_dev(dev)) { 4142 dev = vlan_dev_real_dev(dev); 4143 goto recheck; 4144 } 4145 4146 if (!is_qlcnic_netdev(dev)) 4147 goto done; 4148 4149 adapter = netdev_priv(dev); 4150 4151 if (!adapter) 4152 goto done; 4153 4154 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4155 goto done; 4156 4157 qlcnic_config_indev_addr(adapter, dev, event); 4158 done: 4159 return NOTIFY_DONE; 4160 } 4161 4162 static int 4163 qlcnic_inetaddr_event(struct notifier_block *this, 4164 unsigned long event, void *ptr) 4165 { 4166 struct qlcnic_adapter *adapter; 4167 struct net_device *dev; 4168 4169 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4170 4171 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4172 4173 recheck: 4174 if (dev == NULL) 4175 goto done; 4176 4177 if (is_vlan_dev(dev)) { 4178 dev = vlan_dev_real_dev(dev); 4179 goto recheck; 4180 } 4181 4182 if (!is_qlcnic_netdev(dev)) 4183 goto done; 4184 4185 adapter = netdev_priv(dev); 4186 4187 if (!adapter) 4188 goto done; 4189 4190 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4191 goto done; 4192 4193 switch (event) { 4194 case NETDEV_UP: 4195 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4196 4197 break; 4198 case NETDEV_DOWN: 4199 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4200 4201 break; 4202 default: 4203 break; 4204 } 4205 4206 done: 4207 return NOTIFY_DONE; 4208 } 4209 4210 static struct notifier_block qlcnic_netdev_cb = { 4211 .notifier_call = qlcnic_netdev_event, 4212 }; 4213 4214 static struct notifier_block qlcnic_inetaddr_cb = { 4215 .notifier_call = qlcnic_inetaddr_event, 4216 }; 4217 #else 4218 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4219 { } 4220 #endif 4221 static const struct pci_error_handlers qlcnic_err_handler = { 4222 .error_detected = qlcnic_io_error_detected, 4223 .slot_reset = qlcnic_io_slot_reset, 4224 .resume = qlcnic_io_resume, 4225 }; 4226 4227 static SIMPLE_DEV_PM_OPS(qlcnic_pm_ops, qlcnic_suspend, qlcnic_resume); 4228 4229 static struct pci_driver qlcnic_driver = { 4230 .name = qlcnic_driver_name, 4231 .id_table = qlcnic_pci_tbl, 4232 .probe = qlcnic_probe, 4233 .remove = qlcnic_remove, 4234 .driver.pm = &qlcnic_pm_ops, 4235 .shutdown = qlcnic_shutdown, 4236 .err_handler = &qlcnic_err_handler, 4237 #ifdef CONFIG_QLCNIC_SRIOV 4238 .sriov_configure = qlcnic_pci_sriov_configure, 4239 #endif 4240 4241 }; 4242 4243 static int __init qlcnic_init_module(void) 4244 { 4245 int ret; 4246 4247 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4248 4249 #ifdef CONFIG_INET 4250 register_netdevice_notifier(&qlcnic_netdev_cb); 4251 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4252 #endif 4253 4254 ret = pci_register_driver(&qlcnic_driver); 4255 if (ret) { 4256 #ifdef CONFIG_INET 4257 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4258 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4259 #endif 4260 } 4261 4262 return ret; 4263 } 4264 4265 module_init(qlcnic_init_module); 4266 4267 static void __exit qlcnic_exit_module(void) 4268 { 4269 pci_unregister_driver(&qlcnic_driver); 4270 4271 #ifdef CONFIG_INET 4272 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4273 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4274 #endif 4275 } 4276 4277 module_exit(qlcnic_exit_module); 4278