1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * QLogic qlcnic NIC Driver 4 * Copyright (c) 2009-2013 QLogic Corporation 5 */ 6 7 #include <linux/vmalloc.h> 8 #include <linux/interrupt.h> 9 #include <linux/swab.h> 10 #include <linux/dma-mapping.h> 11 #include <linux/if_vlan.h> 12 #include <net/ip.h> 13 #include <linux/ipv6.h> 14 #include <linux/inetdevice.h> 15 #include <linux/log2.h> 16 #include <linux/pci.h> 17 #include <net/vxlan.h> 18 19 #include "qlcnic.h" 20 #include "qlcnic_sriov.h" 21 #include "qlcnic_hw.h" 22 23 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 24 MODULE_LICENSE("GPL"); 25 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 26 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 27 28 char qlcnic_driver_name[] = "qlcnic"; 29 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 30 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 31 32 static int qlcnic_mac_learn; 33 module_param(qlcnic_mac_learn, int, 0444); 34 MODULE_PARM_DESC(qlcnic_mac_learn, 35 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 36 37 int qlcnic_use_msi = 1; 38 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 39 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 40 41 int qlcnic_use_msi_x = 1; 42 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 43 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 44 45 int qlcnic_auto_fw_reset = 1; 46 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 47 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 48 49 int qlcnic_load_fw_file; 50 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)"); 51 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 52 53 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 54 static void qlcnic_remove(struct pci_dev *pdev); 55 static int qlcnic_open(struct net_device *netdev); 56 static int qlcnic_close(struct net_device *netdev); 57 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue); 58 static void qlcnic_attach_work(struct work_struct *work); 59 static void qlcnic_fwinit_work(struct work_struct *work); 60 61 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 62 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 63 64 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 65 static irqreturn_t qlcnic_intr(int irq, void *data); 66 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 67 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 68 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 69 70 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 71 static int qlcnic_start_firmware(struct qlcnic_adapter *); 72 73 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 74 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 75 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 76 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 77 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 78 79 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 80 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 81 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 82 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 83 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 84 static void qlcnic_82xx_io_resume(struct pci_dev *); 85 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 86 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 87 pci_channel_state_t); 88 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 89 { 90 struct qlcnic_hardware_context *ahw = adapter->ahw; 91 92 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 93 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 94 else 95 return 1; 96 } 97 98 /* PCI Device ID Table */ 99 #define ENTRY(device) \ 100 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 101 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 102 103 static const struct pci_device_id qlcnic_pci_tbl[] = { 104 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 105 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 106 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 107 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), 108 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30), 109 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 110 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 111 {0,} 112 }; 113 114 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 115 116 117 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 118 { 119 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 120 } 121 122 static const u32 msi_tgt_status[8] = { 123 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 124 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 125 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 126 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 127 }; 128 129 static const u32 qlcnic_reg_tbl[] = { 130 0x1B20A8, /* PEG_HALT_STAT1 */ 131 0x1B20AC, /* PEG_HALT_STAT2 */ 132 0x1B20B0, /* FW_HEARTBEAT */ 133 0x1B2100, /* LOCK ID */ 134 0x1B2128, /* FW_CAPABILITIES */ 135 0x1B2138, /* drv active */ 136 0x1B2140, /* dev state */ 137 0x1B2144, /* drv state */ 138 0x1B2148, /* drv scratch */ 139 0x1B214C, /* dev partition info */ 140 0x1B2174, /* drv idc ver */ 141 0x1B2150, /* fw version major */ 142 0x1B2154, /* fw version minor */ 143 0x1B2158, /* fw version sub */ 144 0x1B219C, /* npar state */ 145 0x1B21FC, /* FW_IMG_VALID */ 146 0x1B2250, /* CMD_PEG_STATE */ 147 0x1B233C, /* RCV_PEG_STATE */ 148 0x1B23B4, /* ASIC TEMP */ 149 0x1B216C, /* FW api */ 150 0x1B2170, /* drv op mode */ 151 0x13C010, /* flash lock */ 152 0x13C014, /* flash unlock */ 153 }; 154 155 static const struct qlcnic_board_info qlcnic_boards[] = { 156 { PCI_VENDOR_ID_QLOGIC, 157 PCI_DEVICE_ID_QLOGIC_QLE844X, 158 0x0, 159 0x0, 160 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 161 { PCI_VENDOR_ID_QLOGIC, 162 PCI_DEVICE_ID_QLOGIC_QLE834X, 163 PCI_VENDOR_ID_QLOGIC, 164 0x24e, 165 "8300 Series Dual Port 10GbE Converged Network Adapter " 166 "(TCP/IP Networking)" }, 167 { PCI_VENDOR_ID_QLOGIC, 168 PCI_DEVICE_ID_QLOGIC_QLE834X, 169 PCI_VENDOR_ID_QLOGIC, 170 0x243, 171 "8300 Series Single Port 10GbE Converged Network Adapter " 172 "(TCP/IP Networking)" }, 173 { PCI_VENDOR_ID_QLOGIC, 174 PCI_DEVICE_ID_QLOGIC_QLE834X, 175 PCI_VENDOR_ID_QLOGIC, 176 0x24a, 177 "8300 Series Dual Port 10GbE Converged Network Adapter " 178 "(TCP/IP Networking)" }, 179 { PCI_VENDOR_ID_QLOGIC, 180 PCI_DEVICE_ID_QLOGIC_QLE834X, 181 PCI_VENDOR_ID_QLOGIC, 182 0x246, 183 "8300 Series Dual Port 10GbE Converged Network Adapter " 184 "(TCP/IP Networking)" }, 185 { PCI_VENDOR_ID_QLOGIC, 186 PCI_DEVICE_ID_QLOGIC_QLE834X, 187 PCI_VENDOR_ID_QLOGIC, 188 0x252, 189 "8300 Series Dual Port 10GbE Converged Network Adapter " 190 "(TCP/IP Networking)" }, 191 { PCI_VENDOR_ID_QLOGIC, 192 PCI_DEVICE_ID_QLOGIC_QLE834X, 193 PCI_VENDOR_ID_QLOGIC, 194 0x26e, 195 "8300 Series Dual Port 10GbE Converged Network Adapter " 196 "(TCP/IP Networking)" }, 197 { PCI_VENDOR_ID_QLOGIC, 198 PCI_DEVICE_ID_QLOGIC_QLE834X, 199 PCI_VENDOR_ID_QLOGIC, 200 0x260, 201 "8300 Series Dual Port 10GbE Converged Network Adapter " 202 "(TCP/IP Networking)" }, 203 { PCI_VENDOR_ID_QLOGIC, 204 PCI_DEVICE_ID_QLOGIC_QLE834X, 205 PCI_VENDOR_ID_QLOGIC, 206 0x266, 207 "8300 Series Single Port 10GbE Converged Network Adapter " 208 "(TCP/IP Networking)" }, 209 { PCI_VENDOR_ID_QLOGIC, 210 PCI_DEVICE_ID_QLOGIC_QLE834X, 211 PCI_VENDOR_ID_QLOGIC, 212 0x269, 213 "8300 Series Dual Port 10GbE Converged Network Adapter " 214 "(TCP/IP Networking)" }, 215 { PCI_VENDOR_ID_QLOGIC, 216 PCI_DEVICE_ID_QLOGIC_QLE834X, 217 PCI_VENDOR_ID_QLOGIC, 218 0x271, 219 "8300 Series Dual Port 10GbE Converged Network Adapter " 220 "(TCP/IP Networking)" }, 221 { PCI_VENDOR_ID_QLOGIC, 222 PCI_DEVICE_ID_QLOGIC_QLE834X, 223 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 224 { PCI_VENDOR_ID_QLOGIC, 225 PCI_DEVICE_ID_QLOGIC_QLE8830, 226 0x0, 227 0x0, 228 "8830 Series 1/10GbE Controller" }, 229 { PCI_VENDOR_ID_QLOGIC, 230 PCI_DEVICE_ID_QLOGIC_QLE824X, 231 PCI_VENDOR_ID_QLOGIC, 232 0x203, 233 "8200 Series Single Port 10GbE Converged Network Adapter" 234 "(TCP/IP Networking)" }, 235 { PCI_VENDOR_ID_QLOGIC, 236 PCI_DEVICE_ID_QLOGIC_QLE824X, 237 PCI_VENDOR_ID_QLOGIC, 238 0x207, 239 "8200 Series Dual Port 10GbE Converged Network Adapter" 240 "(TCP/IP Networking)" }, 241 { PCI_VENDOR_ID_QLOGIC, 242 PCI_DEVICE_ID_QLOGIC_QLE824X, 243 PCI_VENDOR_ID_QLOGIC, 244 0x20b, 245 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 246 { PCI_VENDOR_ID_QLOGIC, 247 PCI_DEVICE_ID_QLOGIC_QLE824X, 248 PCI_VENDOR_ID_QLOGIC, 249 0x20c, 250 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 251 { PCI_VENDOR_ID_QLOGIC, 252 PCI_DEVICE_ID_QLOGIC_QLE824X, 253 PCI_VENDOR_ID_QLOGIC, 254 0x20f, 255 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 256 { PCI_VENDOR_ID_QLOGIC, 257 PCI_DEVICE_ID_QLOGIC_QLE824X, 258 0x103c, 0x3733, 259 "NC523SFP 10Gb 2-port Server Adapter" }, 260 { PCI_VENDOR_ID_QLOGIC, 261 PCI_DEVICE_ID_QLOGIC_QLE824X, 262 0x103c, 0x3346, 263 "CN1000Q Dual Port Converged Network Adapter" }, 264 { PCI_VENDOR_ID_QLOGIC, 265 PCI_DEVICE_ID_QLOGIC_QLE824X, 266 PCI_VENDOR_ID_QLOGIC, 267 0x210, 268 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 269 { PCI_VENDOR_ID_QLOGIC, 270 PCI_DEVICE_ID_QLOGIC_QLE824X, 271 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 272 }; 273 274 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 275 276 static const 277 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 278 279 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 280 { 281 int size = sizeof(struct qlcnic_host_sds_ring) * count; 282 283 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 284 285 return recv_ctx->sds_rings == NULL; 286 } 287 288 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 289 { 290 kfree(recv_ctx->sds_rings); 291 recv_ctx->sds_rings = NULL; 292 } 293 294 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 295 { 296 struct net_device *netdev = adapter->netdev; 297 struct pci_dev *pdev = adapter->pdev; 298 u8 mac_addr[ETH_ALEN]; 299 int ret; 300 301 ret = qlcnic_get_mac_address(adapter, mac_addr, 302 adapter->ahw->pci_func); 303 if (ret) 304 return ret; 305 306 eth_hw_addr_set(netdev, mac_addr); 307 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 308 309 /* set station address */ 310 311 if (!is_valid_ether_addr(netdev->dev_addr)) 312 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 313 netdev->dev_addr); 314 315 return 0; 316 } 317 318 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 319 { 320 struct qlcnic_mac_vlan_list *cur; 321 322 list_for_each_entry(cur, &adapter->mac_list, list) { 323 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 324 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 325 0, QLCNIC_MAC_DEL); 326 list_del(&cur->list); 327 kfree(cur); 328 return; 329 } 330 } 331 } 332 333 static int qlcnic_set_mac(struct net_device *netdev, void *p) 334 { 335 struct qlcnic_adapter *adapter = netdev_priv(netdev); 336 struct sockaddr *addr = p; 337 338 if (qlcnic_sriov_vf_check(adapter)) 339 return -EINVAL; 340 341 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 342 return -EOPNOTSUPP; 343 344 if (!is_valid_ether_addr(addr->sa_data)) 345 return -EINVAL; 346 347 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) && 348 ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data)) 349 return 0; 350 351 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 352 netif_device_detach(netdev); 353 qlcnic_napi_disable(adapter); 354 } 355 356 qlcnic_delete_adapter_mac(adapter); 357 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 358 eth_hw_addr_set(netdev, addr->sa_data); 359 qlcnic_set_multi(adapter->netdev); 360 361 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 362 netif_device_attach(netdev); 363 qlcnic_napi_enable(adapter); 364 } 365 return 0; 366 } 367 368 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 369 struct net_device *netdev, 370 const unsigned char *addr, u16 vid, 371 struct netlink_ext_ack *extack) 372 { 373 struct qlcnic_adapter *adapter = netdev_priv(netdev); 374 int err = -EOPNOTSUPP; 375 376 if (!adapter->fdb_mac_learn) 377 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid); 378 379 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 380 qlcnic_sriov_check(adapter)) { 381 if (is_unicast_ether_addr(addr)) { 382 err = dev_uc_del(netdev, addr); 383 if (!err) 384 err = qlcnic_nic_del_mac(adapter, addr); 385 } else if (is_multicast_ether_addr(addr)) { 386 err = dev_mc_del(netdev, addr); 387 } else { 388 err = -EINVAL; 389 } 390 } 391 return err; 392 } 393 394 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 395 struct net_device *netdev, 396 const unsigned char *addr, u16 vid, u16 flags, 397 struct netlink_ext_ack *extack) 398 { 399 struct qlcnic_adapter *adapter = netdev_priv(netdev); 400 int err = 0; 401 402 if (!adapter->fdb_mac_learn) 403 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags); 404 405 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && 406 !qlcnic_sriov_check(adapter)) { 407 pr_info("%s: FDB e-switch is not enabled\n", __func__); 408 return -EOPNOTSUPP; 409 } 410 411 if (ether_addr_equal(addr, adapter->mac_addr)) 412 return err; 413 414 if (is_unicast_ether_addr(addr)) { 415 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 416 err = dev_uc_add_excl(netdev, addr); 417 else 418 err = -ENOMEM; 419 } else if (is_multicast_ether_addr(addr)) { 420 err = dev_mc_add_excl(netdev, addr); 421 } else { 422 err = -EINVAL; 423 } 424 425 return err; 426 } 427 428 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 429 struct net_device *netdev, 430 struct net_device *filter_dev, int *idx) 431 { 432 struct qlcnic_adapter *adapter = netdev_priv(netdev); 433 int err = 0; 434 435 if (!adapter->fdb_mac_learn) 436 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 437 438 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 439 qlcnic_sriov_check(adapter)) 440 err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 441 442 return err; 443 } 444 445 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 446 { 447 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 448 usleep_range(10000, 11000); 449 450 if (!adapter->fw_work.work.func) 451 return; 452 453 cancel_delayed_work_sync(&adapter->fw_work); 454 } 455 456 static int qlcnic_get_phys_port_id(struct net_device *netdev, 457 struct netdev_phys_item_id *ppid) 458 { 459 struct qlcnic_adapter *adapter = netdev_priv(netdev); 460 struct qlcnic_hardware_context *ahw = adapter->ahw; 461 462 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 463 return -EOPNOTSUPP; 464 465 ppid->id_len = sizeof(ahw->phys_port_id); 466 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 467 468 return 0; 469 } 470 471 static int qlcnic_udp_tunnel_sync(struct net_device *dev, unsigned int table) 472 { 473 struct qlcnic_adapter *adapter = netdev_priv(dev); 474 struct udp_tunnel_info ti; 475 int err; 476 477 udp_tunnel_nic_get_port(dev, table, 0, &ti); 478 if (ti.port) { 479 err = qlcnic_set_vxlan_port(adapter, ntohs(ti.port)); 480 if (err) 481 return err; 482 } 483 484 return qlcnic_set_vxlan_parsing(adapter, ntohs(ti.port)); 485 } 486 487 static const struct udp_tunnel_nic_info qlcnic_udp_tunnels = { 488 .sync_table = qlcnic_udp_tunnel_sync, 489 .flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP, 490 .tables = { 491 { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, }, 492 }, 493 }; 494 495 static netdev_features_t qlcnic_features_check(struct sk_buff *skb, 496 struct net_device *dev, 497 netdev_features_t features) 498 { 499 features = vlan_features_check(skb, features); 500 return vxlan_features_check(skb, features); 501 } 502 503 static const struct net_device_ops qlcnic_netdev_ops = { 504 .ndo_open = qlcnic_open, 505 .ndo_stop = qlcnic_close, 506 .ndo_start_xmit = qlcnic_xmit_frame, 507 .ndo_get_stats = qlcnic_get_stats, 508 .ndo_validate_addr = eth_validate_addr, 509 .ndo_set_rx_mode = qlcnic_set_multi, 510 .ndo_set_mac_address = qlcnic_set_mac, 511 .ndo_change_mtu = qlcnic_change_mtu, 512 .ndo_fix_features = qlcnic_fix_features, 513 .ndo_set_features = qlcnic_set_features, 514 .ndo_tx_timeout = qlcnic_tx_timeout, 515 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 516 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 517 .ndo_fdb_add = qlcnic_fdb_add, 518 .ndo_fdb_del = qlcnic_fdb_del, 519 .ndo_fdb_dump = qlcnic_fdb_dump, 520 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 521 .ndo_features_check = qlcnic_features_check, 522 #ifdef CONFIG_QLCNIC_SRIOV 523 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 524 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 525 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 526 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 527 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 528 #endif 529 }; 530 531 static const struct net_device_ops qlcnic_netdev_failed_ops = { 532 .ndo_open = qlcnic_open, 533 }; 534 535 static struct qlcnic_nic_template qlcnic_ops = { 536 .config_bridged_mode = qlcnic_config_bridged_mode, 537 .config_led = qlcnic_82xx_config_led, 538 .start_firmware = qlcnic_82xx_start_firmware, 539 .request_reset = qlcnic_82xx_dev_request_reset, 540 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 541 .napi_add = qlcnic_82xx_napi_add, 542 .napi_del = qlcnic_82xx_napi_del, 543 .config_ipaddr = qlcnic_82xx_config_ipaddr, 544 .shutdown = qlcnic_82xx_shutdown, 545 .resume = qlcnic_82xx_resume, 546 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 547 }; 548 549 struct qlcnic_nic_template qlcnic_vf_ops = { 550 .config_bridged_mode = qlcnicvf_config_bridged_mode, 551 .config_led = qlcnicvf_config_led, 552 .start_firmware = qlcnicvf_start_firmware 553 }; 554 555 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 556 .read_crb = qlcnic_82xx_read_crb, 557 .write_crb = qlcnic_82xx_write_crb, 558 .read_reg = qlcnic_82xx_hw_read_wx_2M, 559 .write_reg = qlcnic_82xx_hw_write_wx_2M, 560 .get_mac_address = qlcnic_82xx_get_mac_address, 561 .setup_intr = qlcnic_82xx_setup_intr, 562 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 563 .mbx_cmd = qlcnic_82xx_issue_cmd, 564 .get_func_no = qlcnic_82xx_get_func_no, 565 .api_lock = qlcnic_82xx_api_lock, 566 .api_unlock = qlcnic_82xx_api_unlock, 567 .add_sysfs = qlcnic_82xx_add_sysfs, 568 .remove_sysfs = qlcnic_82xx_remove_sysfs, 569 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 570 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 571 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 572 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 573 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 574 .setup_link_event = qlcnic_82xx_linkevent_request, 575 .get_nic_info = qlcnic_82xx_get_nic_info, 576 .get_pci_info = qlcnic_82xx_get_pci_info, 577 .set_nic_info = qlcnic_82xx_set_nic_info, 578 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 579 .napi_enable = qlcnic_82xx_napi_enable, 580 .napi_disable = qlcnic_82xx_napi_disable, 581 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 582 .config_rss = qlcnic_82xx_config_rss, 583 .config_hw_lro = qlcnic_82xx_config_hw_lro, 584 .config_loopback = qlcnic_82xx_set_lb_mode, 585 .clear_loopback = qlcnic_82xx_clear_lb_mode, 586 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 587 .change_l2_filter = qlcnic_82xx_change_filter, 588 .get_board_info = qlcnic_82xx_get_board_info, 589 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 590 .free_mac_list = qlcnic_82xx_free_mac_list, 591 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 592 .io_error_detected = qlcnic_82xx_io_error_detected, 593 .io_slot_reset = qlcnic_82xx_io_slot_reset, 594 .io_resume = qlcnic_82xx_io_resume, 595 .get_beacon_state = qlcnic_82xx_get_beacon_state, 596 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 597 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 598 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 599 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 600 .get_saved_state = qlcnic_82xx_get_saved_state, 601 .set_saved_state = qlcnic_82xx_set_saved_state, 602 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 603 .get_cap_size = qlcnic_82xx_get_cap_size, 604 .set_sys_info = qlcnic_82xx_set_sys_info, 605 .store_cap_mask = qlcnic_82xx_store_cap_mask, 606 .encap_rx_offload = qlcnic_82xx_encap_rx_offload, 607 .encap_tx_offload = qlcnic_82xx_encap_tx_offload, 608 }; 609 610 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 611 { 612 struct qlcnic_hardware_context *ahw = adapter->ahw; 613 614 if (qlcnic_82xx_check(adapter) && 615 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 616 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 617 return 0; 618 } else { 619 return 1; 620 } 621 } 622 623 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 624 int queue_type) 625 { 626 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 627 628 if (queue_type == QLCNIC_RX_QUEUE) 629 max_rings = adapter->max_sds_rings; 630 else if (queue_type == QLCNIC_TX_QUEUE) 631 max_rings = adapter->max_tx_rings; 632 633 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 634 max_rings)); 635 636 if (ring_cnt > num_rings) 637 return num_rings; 638 else 639 return ring_cnt; 640 } 641 642 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 643 { 644 /* 83xx adapter does not have max_tx_rings intialized in probe */ 645 if (adapter->max_tx_rings) 646 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 647 QLCNIC_TX_QUEUE); 648 else 649 adapter->drv_tx_rings = tx_cnt; 650 } 651 652 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 653 { 654 /* 83xx adapter does not have max_sds_rings intialized in probe */ 655 if (adapter->max_sds_rings) 656 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 657 QLCNIC_RX_QUEUE); 658 else 659 adapter->drv_sds_rings = rx_cnt; 660 } 661 662 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 663 { 664 struct pci_dev *pdev = adapter->pdev; 665 int num_msix = 0, err = 0, vector; 666 667 adapter->flags &= ~QLCNIC_TSS_RSS; 668 669 if (adapter->drv_tss_rings > 0) 670 num_msix += adapter->drv_tss_rings; 671 else 672 num_msix += adapter->drv_tx_rings; 673 674 if (adapter->drv_rss_rings > 0) 675 num_msix += adapter->drv_rss_rings; 676 else 677 num_msix += adapter->drv_sds_rings; 678 679 if (qlcnic_83xx_check(adapter)) 680 num_msix += 1; 681 682 if (!adapter->msix_entries) { 683 adapter->msix_entries = kcalloc(num_msix, 684 sizeof(struct msix_entry), 685 GFP_KERNEL); 686 if (!adapter->msix_entries) 687 return -ENOMEM; 688 } 689 690 for (vector = 0; vector < num_msix; vector++) 691 adapter->msix_entries[vector].entry = vector; 692 693 restore: 694 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 695 if (err == -ENOSPC) { 696 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 697 return err; 698 699 netdev_info(adapter->netdev, 700 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 701 num_msix, err); 702 703 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 704 705 /* Set rings to 0 so we can restore original TSS/RSS count */ 706 adapter->drv_tss_rings = 0; 707 adapter->drv_rss_rings = 0; 708 709 if (qlcnic_83xx_check(adapter)) 710 num_msix += 1; 711 712 netdev_info(adapter->netdev, 713 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 714 adapter->drv_tx_rings, adapter->drv_sds_rings, 715 num_msix); 716 717 goto restore; 718 } else if (err < 0) { 719 return err; 720 } 721 722 adapter->ahw->num_msix = num_msix; 723 if (adapter->drv_tss_rings > 0) 724 adapter->drv_tx_rings = adapter->drv_tss_rings; 725 726 if (adapter->drv_rss_rings > 0) 727 adapter->drv_sds_rings = adapter->drv_rss_rings; 728 729 return 0; 730 } 731 732 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 733 { 734 struct pci_dev *pdev = adapter->pdev; 735 int err, vector; 736 737 if (!adapter->msix_entries) { 738 adapter->msix_entries = kcalloc(num_msix, 739 sizeof(struct msix_entry), 740 GFP_KERNEL); 741 if (!adapter->msix_entries) 742 return -ENOMEM; 743 } 744 745 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 746 747 if (adapter->ahw->msix_supported) { 748 enable_msix: 749 for (vector = 0; vector < num_msix; vector++) 750 adapter->msix_entries[vector].entry = vector; 751 752 err = pci_enable_msix_range(pdev, 753 adapter->msix_entries, 1, num_msix); 754 755 if (err == num_msix) { 756 adapter->flags |= QLCNIC_MSIX_ENABLED; 757 adapter->ahw->num_msix = num_msix; 758 dev_info(&pdev->dev, "using msi-x interrupts\n"); 759 return 0; 760 } else if (err > 0) { 761 pci_disable_msix(pdev); 762 763 dev_info(&pdev->dev, 764 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 765 num_msix, err); 766 767 if (qlcnic_82xx_check(adapter)) { 768 num_msix = rounddown_pow_of_two(err); 769 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 770 return -ENOSPC; 771 } else { 772 num_msix = rounddown_pow_of_two(err - 1); 773 num_msix += 1; 774 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 775 return -ENOSPC; 776 } 777 778 if (qlcnic_82xx_check(adapter) && 779 !qlcnic_check_multi_tx(adapter)) { 780 adapter->drv_sds_rings = num_msix; 781 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 782 } else { 783 /* Distribute vectors equally */ 784 adapter->drv_tx_rings = num_msix / 2; 785 adapter->drv_sds_rings = adapter->drv_tx_rings; 786 } 787 788 if (num_msix) { 789 dev_info(&pdev->dev, 790 "Trying to allocate %d MSI-X interrupt vectors\n", 791 num_msix); 792 goto enable_msix; 793 } 794 } else { 795 dev_info(&pdev->dev, 796 "Unable to allocate %d MSI-X vectors, err=%d\n", 797 num_msix, err); 798 return err; 799 } 800 } 801 802 return -EIO; 803 } 804 805 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 806 { 807 int num_msix; 808 809 num_msix = adapter->drv_sds_rings; 810 811 if (qlcnic_check_multi_tx(adapter)) 812 num_msix += adapter->drv_tx_rings; 813 else 814 num_msix += QLCNIC_SINGLE_RING; 815 816 return num_msix; 817 } 818 819 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 820 { 821 int err = 0; 822 u32 offset, mask_reg; 823 const struct qlcnic_legacy_intr_set *legacy_intrp; 824 struct qlcnic_hardware_context *ahw = adapter->ahw; 825 struct pci_dev *pdev = adapter->pdev; 826 827 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 828 adapter->flags |= QLCNIC_MSI_ENABLED; 829 offset = msi_tgt_status[adapter->ahw->pci_func]; 830 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 831 offset); 832 dev_info(&pdev->dev, "using msi interrupts\n"); 833 adapter->msix_entries[0].vector = pdev->irq; 834 return err; 835 } 836 837 if (qlcnic_use_msi || qlcnic_use_msi_x) 838 return -EOPNOTSUPP; 839 840 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 841 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 842 offset = legacy_intrp->tgt_status_reg; 843 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 844 mask_reg = legacy_intrp->tgt_mask_reg; 845 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 846 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 847 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 848 dev_info(&pdev->dev, "using legacy interrupts\n"); 849 adapter->msix_entries[0].vector = pdev->irq; 850 return err; 851 } 852 853 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 854 { 855 int num_msix, err = 0; 856 857 if (adapter->flags & QLCNIC_TSS_RSS) { 858 err = qlcnic_setup_tss_rss_intr(adapter); 859 if (err < 0) 860 return err; 861 num_msix = adapter->ahw->num_msix; 862 } else { 863 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 864 865 err = qlcnic_enable_msix(adapter, num_msix); 866 if (err == -ENOMEM) 867 return err; 868 869 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 870 qlcnic_disable_multi_tx(adapter); 871 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 872 873 err = qlcnic_enable_msi_legacy(adapter); 874 if (err) 875 return err; 876 } 877 } 878 879 return 0; 880 } 881 882 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 883 { 884 struct qlcnic_hardware_context *ahw = adapter->ahw; 885 int err, i; 886 887 if (qlcnic_check_multi_tx(adapter) && 888 !ahw->diag_test && 889 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 890 ahw->intr_tbl = 891 vzalloc(array_size(sizeof(struct qlcnic_intrpt_config), 892 ahw->num_msix)); 893 if (!ahw->intr_tbl) 894 return -ENOMEM; 895 896 for (i = 0; i < ahw->num_msix; i++) { 897 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 898 ahw->intr_tbl[i].id = i; 899 ahw->intr_tbl[i].src = 0; 900 } 901 902 err = qlcnic_82xx_config_intrpt(adapter, 1); 903 if (err) 904 dev_err(&adapter->pdev->dev, 905 "Failed to configure Interrupt for %d vector\n", 906 ahw->num_msix); 907 return err; 908 } 909 910 return 0; 911 } 912 913 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 914 { 915 if (adapter->flags & QLCNIC_MSIX_ENABLED) 916 pci_disable_msix(adapter->pdev); 917 if (adapter->flags & QLCNIC_MSI_ENABLED) 918 pci_disable_msi(adapter->pdev); 919 920 kfree(adapter->msix_entries); 921 adapter->msix_entries = NULL; 922 923 if (adapter->ahw->intr_tbl) { 924 vfree(adapter->ahw->intr_tbl); 925 adapter->ahw->intr_tbl = NULL; 926 } 927 } 928 929 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 930 { 931 if (ahw->pci_base0 != NULL) 932 iounmap(ahw->pci_base0); 933 } 934 935 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 936 { 937 struct qlcnic_hardware_context *ahw = adapter->ahw; 938 struct qlcnic_pci_info *pci_info; 939 int ret; 940 941 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 942 switch (ahw->port_type) { 943 case QLCNIC_GBE: 944 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 945 break; 946 case QLCNIC_XGBE: 947 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 948 break; 949 } 950 return 0; 951 } 952 953 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 954 return 0; 955 956 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 957 if (!pci_info) 958 return -ENOMEM; 959 960 ret = qlcnic_get_pci_info(adapter, pci_info); 961 kfree(pci_info); 962 return ret; 963 } 964 965 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 966 { 967 bool ret = false; 968 969 if (qlcnic_84xx_check(adapter)) { 970 ret = true; 971 } else if (qlcnic_83xx_check(adapter)) { 972 if (adapter->ahw->extra_capability[0] & 973 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 974 ret = true; 975 else 976 ret = false; 977 } 978 979 return ret; 980 } 981 982 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 983 { 984 struct qlcnic_hardware_context *ahw = adapter->ahw; 985 struct qlcnic_pci_info *pci_info; 986 int i, id = 0, ret = 0, j = 0; 987 u16 act_pci_func; 988 u8 pfn; 989 990 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 991 if (!pci_info) 992 return -ENOMEM; 993 994 ret = qlcnic_get_pci_info(adapter, pci_info); 995 if (ret) 996 goto err_pci_info; 997 998 act_pci_func = ahw->total_nic_func; 999 1000 adapter->npars = kcalloc(act_pci_func, 1001 sizeof(struct qlcnic_npar_info), 1002 GFP_KERNEL); 1003 if (!adapter->npars) { 1004 ret = -ENOMEM; 1005 goto err_pci_info; 1006 } 1007 1008 adapter->eswitch = kcalloc(QLCNIC_NIU_MAX_XG_PORTS, 1009 sizeof(struct qlcnic_eswitch), 1010 GFP_KERNEL); 1011 if (!adapter->eswitch) { 1012 ret = -ENOMEM; 1013 goto err_npars; 1014 } 1015 1016 for (i = 0; i < ahw->max_vnic_func; i++) { 1017 pfn = pci_info[i].id; 1018 1019 if (pfn >= ahw->max_vnic_func) { 1020 ret = -EINVAL; 1021 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1022 __func__, pfn, ahw->max_vnic_func); 1023 goto err_eswitch; 1024 } 1025 1026 if (!pci_info[i].active || 1027 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1028 continue; 1029 1030 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1031 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1032 &id)) 1033 adapter->npars[j].eswitch_status = true; 1034 else 1035 continue; 1036 } else { 1037 adapter->npars[j].eswitch_status = true; 1038 } 1039 1040 adapter->npars[j].pci_func = pfn; 1041 adapter->npars[j].active = (u8)pci_info[i].active; 1042 adapter->npars[j].type = (u8)pci_info[i].type; 1043 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1044 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1045 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1046 1047 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1048 j++; 1049 } 1050 1051 /* Update eSwitch status for adapters without per port eSwitch 1052 * configuration capability 1053 */ 1054 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1055 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1056 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1057 } 1058 1059 kfree(pci_info); 1060 return 0; 1061 1062 err_eswitch: 1063 kfree(adapter->eswitch); 1064 adapter->eswitch = NULL; 1065 err_npars: 1066 kfree(adapter->npars); 1067 adapter->npars = NULL; 1068 err_pci_info: 1069 kfree(pci_info); 1070 1071 return ret; 1072 } 1073 1074 static int 1075 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1076 { 1077 u8 id; 1078 int ret; 1079 u32 data = QLCNIC_MGMT_FUNC; 1080 struct qlcnic_hardware_context *ahw = adapter->ahw; 1081 1082 ret = qlcnic_api_lock(adapter); 1083 if (ret) 1084 goto err_lock; 1085 1086 id = ahw->pci_func; 1087 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1088 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1089 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1090 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1091 qlcnic_api_unlock(adapter); 1092 err_lock: 1093 return ret; 1094 } 1095 1096 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1097 const struct pci_device_id *ent) 1098 { 1099 u32 op_mode, priv_level; 1100 1101 /* Determine FW API version */ 1102 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1103 QLCNIC_FW_API); 1104 1105 /* Find PCI function number */ 1106 qlcnic_get_func_no(adapter); 1107 1108 /* Determine function privilege level */ 1109 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1110 if (op_mode == QLC_DEV_DRV_DEFAULT) 1111 priv_level = QLCNIC_MGMT_FUNC; 1112 else 1113 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1114 1115 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1116 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1117 dev_info(&adapter->pdev->dev, 1118 "HAL Version: %d Non Privileged function\n", 1119 adapter->ahw->fw_hal_version); 1120 adapter->nic_ops = &qlcnic_vf_ops; 1121 } else 1122 adapter->nic_ops = &qlcnic_ops; 1123 } 1124 1125 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1126 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1127 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1128 { 1129 switch (dev_id) { 1130 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1131 *bar = QLCNIC_82XX_BAR0_LENGTH; 1132 break; 1133 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1134 case PCI_DEVICE_ID_QLOGIC_QLE8830: 1135 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1136 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1137 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1138 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 1139 *bar = QLCNIC_83XX_BAR0_LENGTH; 1140 break; 1141 default: 1142 *bar = 0; 1143 } 1144 } 1145 1146 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1147 struct qlcnic_hardware_context *ahw) 1148 { 1149 u32 offset; 1150 void __iomem *mem_ptr0 = NULL; 1151 unsigned long mem_len, pci_len0 = 0, bar0_len; 1152 1153 /* remap phys address */ 1154 mem_len = pci_resource_len(pdev, 0); 1155 1156 qlcnic_get_bar_length(pdev->device, &bar0_len); 1157 if (mem_len >= bar0_len) { 1158 1159 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1160 if (mem_ptr0 == NULL) { 1161 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1162 return -EIO; 1163 } 1164 pci_len0 = mem_len; 1165 } else { 1166 return -EIO; 1167 } 1168 1169 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1170 1171 ahw->pci_base0 = mem_ptr0; 1172 ahw->pci_len0 = pci_len0; 1173 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1174 qlcnic_get_ioaddr(ahw, offset); 1175 1176 return 0; 1177 } 1178 1179 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1180 int index) 1181 { 1182 struct pci_dev *pdev = adapter->pdev; 1183 unsigned short subsystem_vendor; 1184 bool ret = true; 1185 1186 subsystem_vendor = pdev->subsystem_vendor; 1187 1188 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1189 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1190 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1191 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1192 ret = true; 1193 else 1194 ret = false; 1195 } 1196 1197 return ret; 1198 } 1199 1200 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1201 { 1202 struct pci_dev *pdev = adapter->pdev; 1203 int i, found = 0; 1204 1205 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1206 if (qlcnic_boards[i].vendor == pdev->vendor && 1207 qlcnic_boards[i].device == pdev->device && 1208 qlcnic_validate_subsystem_id(adapter, i)) { 1209 found = 1; 1210 break; 1211 } 1212 } 1213 1214 if (!found) 1215 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1216 else 1217 sprintf(name, "%pM: %s" , adapter->mac_addr, 1218 qlcnic_boards[i].short_name); 1219 } 1220 1221 static void 1222 qlcnic_check_options(struct qlcnic_adapter *adapter) 1223 { 1224 int err; 1225 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1226 struct pci_dev *pdev = adapter->pdev; 1227 struct qlcnic_hardware_context *ahw = adapter->ahw; 1228 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1229 1230 prev_fw_version = adapter->fw_version; 1231 1232 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1233 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1234 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1235 1236 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1237 1238 err = qlcnic_get_board_info(adapter); 1239 if (err) { 1240 dev_err(&pdev->dev, "Error getting board config info.\n"); 1241 return; 1242 } 1243 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1244 if (fw_dump->tmpl_hdr == NULL || 1245 adapter->fw_version > prev_fw_version) { 1246 vfree(fw_dump->tmpl_hdr); 1247 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1248 dev_info(&pdev->dev, 1249 "Supports FW dump capability\n"); 1250 } 1251 } 1252 1253 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1254 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1255 1256 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1257 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1258 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1259 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1260 } else { 1261 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1262 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1263 } 1264 1265 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1266 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1267 1268 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1269 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1270 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1271 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1272 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1273 } 1274 1275 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1276 1277 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1278 1279 adapter->max_rds_rings = MAX_RDS_RINGS; 1280 } 1281 1282 static int 1283 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1284 { 1285 struct qlcnic_info nic_info; 1286 int err = 0; 1287 1288 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1289 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1290 if (err) 1291 return err; 1292 1293 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1294 adapter->ahw->switch_mode = nic_info.switch_mode; 1295 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1296 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1297 adapter->ahw->capabilities = nic_info.capabilities; 1298 1299 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1300 u32 temp; 1301 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1302 if (err == -EIO) 1303 return err; 1304 adapter->ahw->extra_capability[0] = temp; 1305 } else { 1306 adapter->ahw->extra_capability[0] = 0; 1307 } 1308 1309 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1310 adapter->ahw->max_mtu = nic_info.max_mtu; 1311 1312 if (adapter->ahw->capabilities & BIT_6) { 1313 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1314 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1315 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1316 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1317 1318 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1319 } else { 1320 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1321 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1322 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1323 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1324 } 1325 1326 return err; 1327 } 1328 1329 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1330 struct qlcnic_esw_func_cfg *esw_cfg) 1331 { 1332 if (esw_cfg->discard_tagged) 1333 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1334 else 1335 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1336 1337 if (esw_cfg->vlan_id) { 1338 adapter->rx_pvid = esw_cfg->vlan_id; 1339 adapter->tx_pvid = esw_cfg->vlan_id; 1340 } else { 1341 adapter->rx_pvid = 0; 1342 adapter->tx_pvid = 0; 1343 } 1344 } 1345 1346 static int 1347 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1348 { 1349 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1350 int err; 1351 1352 if (qlcnic_sriov_vf_check(adapter)) { 1353 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1354 if (err) { 1355 netdev_err(netdev, 1356 "Cannot add VLAN filter for VLAN id %d, err=%d", 1357 vid, err); 1358 return err; 1359 } 1360 } 1361 1362 set_bit(vid, adapter->vlans); 1363 return 0; 1364 } 1365 1366 static int 1367 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1368 { 1369 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1370 int err; 1371 1372 if (qlcnic_sriov_vf_check(adapter)) { 1373 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1374 if (err) { 1375 netdev_err(netdev, 1376 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1377 vid, err); 1378 return err; 1379 } 1380 } 1381 1382 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1383 clear_bit(vid, adapter->vlans); 1384 return 0; 1385 } 1386 1387 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1388 struct qlcnic_esw_func_cfg *esw_cfg) 1389 { 1390 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1391 QLCNIC_PROMISC_DISABLED); 1392 1393 if (esw_cfg->mac_anti_spoof) 1394 adapter->flags |= QLCNIC_MACSPOOF; 1395 1396 if (!esw_cfg->mac_override) 1397 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1398 1399 if (!esw_cfg->promisc_mode) 1400 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1401 } 1402 1403 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1404 { 1405 struct qlcnic_esw_func_cfg esw_cfg; 1406 1407 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1408 return 0; 1409 1410 esw_cfg.pci_func = adapter->ahw->pci_func; 1411 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1412 return -EIO; 1413 qlcnic_set_vlan_config(adapter, &esw_cfg); 1414 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1415 qlcnic_set_netdev_features(adapter, &esw_cfg); 1416 1417 return 0; 1418 } 1419 1420 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1421 struct qlcnic_esw_func_cfg *esw_cfg) 1422 { 1423 struct net_device *netdev = adapter->netdev; 1424 1425 if (qlcnic_83xx_check(adapter)) 1426 return; 1427 1428 adapter->offload_flags = esw_cfg->offload_flags; 1429 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1430 netdev_update_features(netdev); 1431 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1432 } 1433 1434 static int 1435 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1436 { 1437 u32 op_mode, priv_level; 1438 int err = 0; 1439 1440 err = qlcnic_initialize_nic(adapter); 1441 if (err) 1442 return err; 1443 1444 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1445 return 0; 1446 1447 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1448 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1449 1450 if (op_mode == QLC_DEV_DRV_DEFAULT) 1451 priv_level = QLCNIC_MGMT_FUNC; 1452 else 1453 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1454 1455 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1456 if (priv_level == QLCNIC_MGMT_FUNC) { 1457 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1458 err = qlcnic_init_pci_info(adapter); 1459 if (err) 1460 return err; 1461 /* Set privilege level for other functions */ 1462 qlcnic_set_function_modes(adapter); 1463 dev_info(&adapter->pdev->dev, 1464 "HAL Version: %d, Management function\n", 1465 adapter->ahw->fw_hal_version); 1466 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1467 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1468 dev_info(&adapter->pdev->dev, 1469 "HAL Version: %d, Privileged function\n", 1470 adapter->ahw->fw_hal_version); 1471 } 1472 } else { 1473 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1474 } 1475 1476 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1477 1478 return err; 1479 } 1480 1481 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1482 { 1483 struct qlcnic_esw_func_cfg esw_cfg; 1484 struct qlcnic_npar_info *npar; 1485 u8 i; 1486 1487 if (adapter->need_fw_reset) 1488 return 0; 1489 1490 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1491 if (!adapter->npars[i].eswitch_status) 1492 continue; 1493 1494 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1495 esw_cfg.pci_func = adapter->npars[i].pci_func; 1496 esw_cfg.mac_override = BIT_0; 1497 esw_cfg.promisc_mode = BIT_0; 1498 if (qlcnic_82xx_check(adapter)) { 1499 esw_cfg.offload_flags = BIT_0; 1500 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1501 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1502 } 1503 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1504 return -EIO; 1505 npar = &adapter->npars[i]; 1506 npar->pvid = esw_cfg.vlan_id; 1507 npar->mac_override = esw_cfg.mac_override; 1508 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1509 npar->discard_tagged = esw_cfg.discard_tagged; 1510 npar->promisc_mode = esw_cfg.promisc_mode; 1511 npar->offload_flags = esw_cfg.offload_flags; 1512 } 1513 1514 return 0; 1515 } 1516 1517 1518 static int 1519 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1520 struct qlcnic_npar_info *npar, int pci_func) 1521 { 1522 struct qlcnic_esw_func_cfg esw_cfg; 1523 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1524 esw_cfg.pci_func = pci_func; 1525 esw_cfg.vlan_id = npar->pvid; 1526 esw_cfg.mac_override = npar->mac_override; 1527 esw_cfg.discard_tagged = npar->discard_tagged; 1528 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1529 esw_cfg.offload_flags = npar->offload_flags; 1530 esw_cfg.promisc_mode = npar->promisc_mode; 1531 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1532 return -EIO; 1533 1534 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1535 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1536 return -EIO; 1537 1538 return 0; 1539 } 1540 1541 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1542 { 1543 int i, err; 1544 struct qlcnic_npar_info *npar; 1545 struct qlcnic_info nic_info; 1546 u8 pci_func; 1547 1548 if (qlcnic_82xx_check(adapter)) 1549 if (!adapter->need_fw_reset) 1550 return 0; 1551 1552 /* Set the NPAR config data after FW reset */ 1553 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1554 npar = &adapter->npars[i]; 1555 pci_func = npar->pci_func; 1556 if (!adapter->npars[i].eswitch_status) 1557 continue; 1558 1559 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1560 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1561 if (err) 1562 return err; 1563 nic_info.min_tx_bw = npar->min_bw; 1564 nic_info.max_tx_bw = npar->max_bw; 1565 err = qlcnic_set_nic_info(adapter, &nic_info); 1566 if (err) 1567 return err; 1568 1569 if (npar->enable_pm) { 1570 err = qlcnic_config_port_mirroring(adapter, 1571 npar->dest_npar, 1, 1572 pci_func); 1573 if (err) 1574 return err; 1575 } 1576 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1577 if (err) 1578 return err; 1579 } 1580 return 0; 1581 } 1582 1583 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1584 { 1585 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1586 u32 npar_state; 1587 1588 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1589 return 0; 1590 1591 npar_state = QLC_SHARED_REG_RD32(adapter, 1592 QLCNIC_CRB_DEV_NPAR_STATE); 1593 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1594 msleep(1000); 1595 npar_state = QLC_SHARED_REG_RD32(adapter, 1596 QLCNIC_CRB_DEV_NPAR_STATE); 1597 } 1598 if (!npar_opt_timeo) { 1599 dev_err(&adapter->pdev->dev, 1600 "Waiting for NPAR state to operational timeout\n"); 1601 return -EIO; 1602 } 1603 return 0; 1604 } 1605 1606 static int 1607 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1608 { 1609 int err; 1610 1611 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1612 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1613 return 0; 1614 1615 err = qlcnic_set_default_offload_settings(adapter); 1616 if (err) 1617 return err; 1618 1619 err = qlcnic_reset_npar_config(adapter); 1620 if (err) 1621 return err; 1622 1623 qlcnic_dev_set_npar_ready(adapter); 1624 1625 return err; 1626 } 1627 1628 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1629 { 1630 int err; 1631 1632 err = qlcnic_can_start_firmware(adapter); 1633 if (err < 0) 1634 return err; 1635 else if (!err) 1636 goto check_fw_status; 1637 1638 if (qlcnic_load_fw_file) 1639 qlcnic_request_firmware(adapter); 1640 else { 1641 err = qlcnic_check_flash_fw_ver(adapter); 1642 if (err) 1643 goto err_out; 1644 1645 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1646 } 1647 1648 err = qlcnic_need_fw_reset(adapter); 1649 if (err == 0) 1650 goto check_fw_status; 1651 1652 err = qlcnic_pinit_from_rom(adapter); 1653 if (err) 1654 goto err_out; 1655 1656 err = qlcnic_load_firmware(adapter); 1657 if (err) 1658 goto err_out; 1659 1660 qlcnic_release_firmware(adapter); 1661 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1662 1663 check_fw_status: 1664 err = qlcnic_check_fw_status(adapter); 1665 if (err) 1666 goto err_out; 1667 1668 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1669 qlcnic_idc_debug_info(adapter, 1); 1670 err = qlcnic_check_eswitch_mode(adapter); 1671 if (err) { 1672 dev_err(&adapter->pdev->dev, 1673 "Memory allocation failed for eswitch\n"); 1674 goto err_out; 1675 } 1676 err = qlcnic_set_mgmt_operations(adapter); 1677 if (err) 1678 goto err_out; 1679 1680 qlcnic_check_options(adapter); 1681 adapter->need_fw_reset = 0; 1682 1683 qlcnic_release_firmware(adapter); 1684 return 0; 1685 1686 err_out: 1687 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1688 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1689 1690 qlcnic_release_firmware(adapter); 1691 return err; 1692 } 1693 1694 static int 1695 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1696 { 1697 irq_handler_t handler; 1698 struct qlcnic_host_sds_ring *sds_ring; 1699 struct qlcnic_host_tx_ring *tx_ring; 1700 int err, ring, num_sds_rings; 1701 1702 unsigned long flags = 0; 1703 struct net_device *netdev = adapter->netdev; 1704 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1705 1706 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1707 if (qlcnic_82xx_check(adapter)) 1708 handler = qlcnic_tmp_intr; 1709 else 1710 handler = qlcnic_83xx_tmp_intr; 1711 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1712 flags |= IRQF_SHARED; 1713 1714 } else { 1715 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1716 handler = qlcnic_msix_intr; 1717 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1718 handler = qlcnic_msi_intr; 1719 else { 1720 flags |= IRQF_SHARED; 1721 if (qlcnic_82xx_check(adapter)) 1722 handler = qlcnic_intr; 1723 else 1724 handler = qlcnic_83xx_intr; 1725 } 1726 } 1727 adapter->irq = netdev->irq; 1728 1729 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1730 if (qlcnic_82xx_check(adapter) || 1731 (qlcnic_83xx_check(adapter) && 1732 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1733 num_sds_rings = adapter->drv_sds_rings; 1734 for (ring = 0; ring < num_sds_rings; ring++) { 1735 sds_ring = &recv_ctx->sds_rings[ring]; 1736 if (qlcnic_82xx_check(adapter) && 1737 !qlcnic_check_multi_tx(adapter) && 1738 (ring == (num_sds_rings - 1))) { 1739 if (!(adapter->flags & 1740 QLCNIC_MSIX_ENABLED)) 1741 snprintf(sds_ring->name, 1742 sizeof(sds_ring->name), 1743 "qlcnic"); 1744 else 1745 snprintf(sds_ring->name, 1746 sizeof(sds_ring->name), 1747 "%s-tx-0-rx-%d", 1748 netdev->name, ring); 1749 } else { 1750 snprintf(sds_ring->name, 1751 sizeof(sds_ring->name), 1752 "%s-rx-%d", 1753 netdev->name, ring); 1754 } 1755 err = request_irq(sds_ring->irq, handler, flags, 1756 sds_ring->name, sds_ring); 1757 if (err) 1758 return err; 1759 } 1760 } 1761 if ((qlcnic_82xx_check(adapter) && 1762 qlcnic_check_multi_tx(adapter)) || 1763 (qlcnic_83xx_check(adapter) && 1764 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1765 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1766 handler = qlcnic_msix_tx_intr; 1767 for (ring = 0; ring < adapter->drv_tx_rings; 1768 ring++) { 1769 tx_ring = &adapter->tx_ring[ring]; 1770 snprintf(tx_ring->name, sizeof(tx_ring->name), 1771 "%s-tx-%d", netdev->name, ring); 1772 err = request_irq(tx_ring->irq, handler, flags, 1773 tx_ring->name, tx_ring); 1774 if (err) 1775 return err; 1776 } 1777 } 1778 } 1779 return 0; 1780 } 1781 1782 static void 1783 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1784 { 1785 int ring; 1786 struct qlcnic_host_sds_ring *sds_ring; 1787 struct qlcnic_host_tx_ring *tx_ring; 1788 1789 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1790 1791 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1792 if (qlcnic_82xx_check(adapter) || 1793 (qlcnic_83xx_check(adapter) && 1794 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1795 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1796 sds_ring = &recv_ctx->sds_rings[ring]; 1797 free_irq(sds_ring->irq, sds_ring); 1798 } 1799 } 1800 if ((qlcnic_83xx_check(adapter) && 1801 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1802 (qlcnic_82xx_check(adapter) && 1803 qlcnic_check_multi_tx(adapter))) { 1804 for (ring = 0; ring < adapter->drv_tx_rings; 1805 ring++) { 1806 tx_ring = &adapter->tx_ring[ring]; 1807 if (tx_ring->irq) 1808 free_irq(tx_ring->irq, tx_ring); 1809 } 1810 } 1811 } 1812 } 1813 1814 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1815 { 1816 u32 capab = 0; 1817 1818 if (qlcnic_82xx_check(adapter)) { 1819 if (adapter->ahw->extra_capability[0] & 1820 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1821 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1822 } else { 1823 capab = adapter->ahw->capabilities; 1824 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1825 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1826 } 1827 } 1828 1829 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1830 { 1831 struct qlcnic_hardware_context *ahw = adapter->ahw; 1832 int err; 1833 1834 /* Initialize interrupt coalesce parameters */ 1835 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1836 1837 if (qlcnic_83xx_check(adapter)) { 1838 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1839 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1840 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1841 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1842 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1843 1844 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1845 } else { 1846 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1847 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1848 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1849 1850 err = qlcnic_82xx_set_rx_coalesce(adapter); 1851 } 1852 1853 return err; 1854 } 1855 1856 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1857 { 1858 int ring; 1859 struct qlcnic_host_rds_ring *rds_ring; 1860 1861 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1862 return -EIO; 1863 1864 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1865 return 0; 1866 1867 if (qlcnic_set_eswitch_port_config(adapter)) 1868 return -EIO; 1869 1870 qlcnic_get_lro_mss_capability(adapter); 1871 1872 if (qlcnic_fw_create_ctx(adapter)) 1873 return -EIO; 1874 1875 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1876 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1877 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1878 } 1879 1880 qlcnic_set_multi(netdev); 1881 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1882 1883 adapter->ahw->linkup = 0; 1884 1885 if (adapter->drv_sds_rings > 1) 1886 qlcnic_config_rss(adapter, 1); 1887 1888 qlcnic_config_def_intr_coalesce(adapter); 1889 1890 if (netdev->features & NETIF_F_LRO) 1891 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1892 1893 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1894 qlcnic_napi_enable(adapter); 1895 1896 qlcnic_linkevent_request(adapter, 1); 1897 1898 adapter->ahw->reset_context = 0; 1899 netif_tx_start_all_queues(netdev); 1900 return 0; 1901 } 1902 1903 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1904 { 1905 int err = 0; 1906 1907 rtnl_lock(); 1908 if (netif_running(netdev)) 1909 err = __qlcnic_up(adapter, netdev); 1910 rtnl_unlock(); 1911 1912 return err; 1913 } 1914 1915 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1916 { 1917 int ring; 1918 1919 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1920 return; 1921 1922 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1923 return; 1924 1925 smp_mb(); 1926 netif_carrier_off(netdev); 1927 adapter->ahw->linkup = 0; 1928 netif_tx_disable(netdev); 1929 1930 qlcnic_free_mac_list(adapter); 1931 1932 if (adapter->fhash.fnum) 1933 qlcnic_delete_lb_filters(adapter); 1934 1935 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1936 if (qlcnic_sriov_vf_check(adapter)) 1937 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1938 1939 qlcnic_napi_disable(adapter); 1940 1941 qlcnic_fw_destroy_ctx(adapter); 1942 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1943 1944 qlcnic_reset_rx_buffers_list(adapter); 1945 1946 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1947 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1948 } 1949 1950 /* Usage: During suspend and firmware recovery module */ 1951 1952 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1953 { 1954 rtnl_lock(); 1955 if (netif_running(netdev)) 1956 __qlcnic_down(adapter, netdev); 1957 rtnl_unlock(); 1958 1959 } 1960 1961 int 1962 qlcnic_attach(struct qlcnic_adapter *adapter) 1963 { 1964 struct net_device *netdev = adapter->netdev; 1965 struct pci_dev *pdev = adapter->pdev; 1966 int err; 1967 1968 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1969 return 0; 1970 1971 err = qlcnic_napi_add(adapter, netdev); 1972 if (err) 1973 return err; 1974 1975 err = qlcnic_alloc_sw_resources(adapter); 1976 if (err) { 1977 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1978 goto err_out_napi_del; 1979 } 1980 1981 err = qlcnic_alloc_hw_resources(adapter); 1982 if (err) { 1983 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1984 goto err_out_free_sw; 1985 } 1986 1987 err = qlcnic_request_irq(adapter); 1988 if (err) { 1989 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1990 goto err_out_free_hw; 1991 } 1992 1993 qlcnic_create_sysfs_entries(adapter); 1994 1995 if (qlcnic_encap_rx_offload(adapter)) 1996 udp_tunnel_nic_reset_ntf(netdev); 1997 1998 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 1999 return 0; 2000 2001 err_out_free_hw: 2002 qlcnic_free_hw_resources(adapter); 2003 err_out_free_sw: 2004 qlcnic_free_sw_resources(adapter); 2005 err_out_napi_del: 2006 qlcnic_napi_del(adapter); 2007 return err; 2008 } 2009 2010 void qlcnic_detach(struct qlcnic_adapter *adapter) 2011 { 2012 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2013 return; 2014 2015 qlcnic_remove_sysfs_entries(adapter); 2016 2017 qlcnic_free_hw_resources(adapter); 2018 qlcnic_release_rx_buffers(adapter); 2019 qlcnic_free_irq(adapter); 2020 qlcnic_napi_del(adapter); 2021 qlcnic_free_sw_resources(adapter); 2022 2023 adapter->is_up = 0; 2024 } 2025 2026 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2027 { 2028 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2029 struct qlcnic_host_sds_ring *sds_ring; 2030 int drv_tx_rings = adapter->drv_tx_rings; 2031 int ring; 2032 2033 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2034 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2035 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2036 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2037 qlcnic_disable_sds_intr(adapter, sds_ring); 2038 } 2039 } 2040 2041 qlcnic_fw_destroy_ctx(adapter); 2042 2043 qlcnic_detach(adapter); 2044 2045 adapter->ahw->diag_test = 0; 2046 adapter->drv_sds_rings = drv_sds_rings; 2047 adapter->drv_tx_rings = drv_tx_rings; 2048 2049 if (qlcnic_attach(adapter)) 2050 goto out; 2051 2052 if (netif_running(netdev)) 2053 __qlcnic_up(adapter, netdev); 2054 out: 2055 netif_device_attach(netdev); 2056 } 2057 2058 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2059 { 2060 struct qlcnic_hardware_context *ahw = adapter->ahw; 2061 int err = 0; 2062 2063 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2064 GFP_KERNEL); 2065 if (!adapter->recv_ctx) { 2066 err = -ENOMEM; 2067 goto err_out; 2068 } 2069 2070 if (qlcnic_83xx_check(adapter)) { 2071 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2072 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2073 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2074 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2075 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2076 } else { 2077 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2078 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2079 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2080 } 2081 2082 /* clear stats */ 2083 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2084 err_out: 2085 return err; 2086 } 2087 2088 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2089 { 2090 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2091 2092 kfree(adapter->recv_ctx); 2093 adapter->recv_ctx = NULL; 2094 2095 if (fw_dump->tmpl_hdr) { 2096 vfree(fw_dump->tmpl_hdr); 2097 fw_dump->tmpl_hdr = NULL; 2098 } 2099 2100 if (fw_dump->dma_buffer) { 2101 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2102 fw_dump->dma_buffer, fw_dump->phys_addr); 2103 fw_dump->dma_buffer = NULL; 2104 } 2105 2106 kfree(adapter->ahw->reset.buff); 2107 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2108 } 2109 2110 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2111 { 2112 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2113 struct qlcnic_host_sds_ring *sds_ring; 2114 struct qlcnic_host_rds_ring *rds_ring; 2115 int ring; 2116 int ret; 2117 2118 netif_device_detach(netdev); 2119 2120 if (netif_running(netdev)) 2121 __qlcnic_down(adapter, netdev); 2122 2123 qlcnic_detach(adapter); 2124 2125 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2126 adapter->ahw->diag_test = test; 2127 adapter->ahw->linkup = 0; 2128 2129 ret = qlcnic_attach(adapter); 2130 if (ret) { 2131 netif_device_attach(netdev); 2132 return ret; 2133 } 2134 2135 ret = qlcnic_fw_create_ctx(adapter); 2136 if (ret) { 2137 qlcnic_detach(adapter); 2138 netif_device_attach(netdev); 2139 return ret; 2140 } 2141 2142 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2143 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2144 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2145 } 2146 2147 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2148 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2149 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2150 qlcnic_enable_sds_intr(adapter, sds_ring); 2151 } 2152 } 2153 2154 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2155 adapter->ahw->loopback_state = 0; 2156 qlcnic_linkevent_request(adapter, 1); 2157 } 2158 2159 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2160 2161 return 0; 2162 } 2163 2164 /* Reset context in hardware only */ 2165 static int 2166 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2167 { 2168 struct net_device *netdev = adapter->netdev; 2169 2170 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2171 return -EBUSY; 2172 2173 netif_device_detach(netdev); 2174 2175 qlcnic_down(adapter, netdev); 2176 2177 qlcnic_up(adapter, netdev); 2178 2179 netif_device_attach(netdev); 2180 2181 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2182 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2183 return 0; 2184 } 2185 2186 int 2187 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2188 { 2189 int err = 0; 2190 struct net_device *netdev = adapter->netdev; 2191 2192 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2193 return -EBUSY; 2194 2195 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2196 2197 netif_device_detach(netdev); 2198 2199 if (netif_running(netdev)) 2200 __qlcnic_down(adapter, netdev); 2201 2202 qlcnic_detach(adapter); 2203 2204 if (netif_running(netdev)) { 2205 err = qlcnic_attach(adapter); 2206 if (!err) { 2207 __qlcnic_up(adapter, netdev); 2208 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2209 } 2210 } 2211 2212 netif_device_attach(netdev); 2213 } 2214 2215 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2216 return err; 2217 } 2218 2219 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2220 { 2221 struct qlcnic_hardware_context *ahw = adapter->ahw; 2222 u16 act_pci_fn = ahw->total_nic_func; 2223 u16 count; 2224 2225 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2226 if (act_pci_fn <= 2) 2227 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2228 act_pci_fn; 2229 else 2230 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2231 act_pci_fn; 2232 ahw->max_uc_count = count; 2233 } 2234 2235 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2236 u8 tx_queues, u8 rx_queues) 2237 { 2238 struct net_device *netdev = adapter->netdev; 2239 int err = 0; 2240 2241 if (tx_queues) { 2242 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2243 if (err) { 2244 netdev_err(netdev, "failed to set %d Tx queues\n", 2245 tx_queues); 2246 return err; 2247 } 2248 } 2249 2250 if (rx_queues) { 2251 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2252 if (err) 2253 netdev_err(netdev, "failed to set %d Rx queues\n", 2254 rx_queues); 2255 } 2256 2257 return err; 2258 } 2259 2260 int 2261 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev) 2262 { 2263 int err; 2264 struct pci_dev *pdev = adapter->pdev; 2265 2266 adapter->rx_csum = 1; 2267 adapter->ahw->mc_enabled = 0; 2268 qlcnic_set_mac_filter_count(adapter); 2269 2270 netdev->netdev_ops = &qlcnic_netdev_ops; 2271 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2272 2273 qlcnic_change_mtu(netdev, netdev->mtu); 2274 2275 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2276 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2277 2278 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2279 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2280 NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HIGHDMA); 2281 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2282 NETIF_F_IPV6_CSUM | NETIF_F_HIGHDMA); 2283 2284 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2285 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2286 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2287 } 2288 2289 if (qlcnic_vlan_tx_check(adapter)) 2290 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2291 2292 if (qlcnic_sriov_vf_check(adapter)) 2293 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2294 2295 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2296 netdev->features |= NETIF_F_LRO; 2297 2298 if (qlcnic_encap_tx_offload(adapter)) { 2299 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2300 2301 /* encapsulation Tx offload supported by Adapter */ 2302 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2303 NETIF_F_GSO_UDP_TUNNEL | 2304 NETIF_F_TSO | 2305 NETIF_F_TSO6; 2306 } 2307 2308 if (qlcnic_encap_rx_offload(adapter)) { 2309 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2310 2311 netdev->udp_tunnel_nic_info = &qlcnic_udp_tunnels; 2312 } 2313 2314 netdev->hw_features = netdev->features; 2315 netdev->priv_flags |= IFF_UNICAST_FLT; 2316 netdev->irq = adapter->msix_entries[0].vector; 2317 2318 /* MTU range: 68 - 9600 */ 2319 netdev->min_mtu = P3P_MIN_MTU; 2320 netdev->max_mtu = P3P_MAX_MTU; 2321 2322 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2323 adapter->drv_sds_rings); 2324 if (err) 2325 return err; 2326 2327 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2328 2329 err = register_netdev(netdev); 2330 if (err) { 2331 dev_err(&pdev->dev, "failed to register net device\n"); 2332 return err; 2333 } 2334 2335 return 0; 2336 } 2337 2338 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2339 { 2340 int ring; 2341 struct qlcnic_host_tx_ring *tx_ring; 2342 2343 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2344 tx_ring = &adapter->tx_ring[ring]; 2345 if (tx_ring) { 2346 vfree(tx_ring->cmd_buf_arr); 2347 tx_ring->cmd_buf_arr = NULL; 2348 } 2349 } 2350 kfree(adapter->tx_ring); 2351 } 2352 2353 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2354 struct net_device *netdev) 2355 { 2356 int ring, vector, index; 2357 struct qlcnic_host_tx_ring *tx_ring; 2358 struct qlcnic_cmd_buffer *cmd_buf_arr; 2359 2360 tx_ring = kcalloc(adapter->drv_tx_rings, 2361 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2362 if (tx_ring == NULL) 2363 return -ENOMEM; 2364 2365 adapter->tx_ring = tx_ring; 2366 2367 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2368 tx_ring = &adapter->tx_ring[ring]; 2369 tx_ring->num_desc = adapter->num_txd; 2370 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2371 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2372 if (cmd_buf_arr == NULL) { 2373 qlcnic_free_tx_rings(adapter); 2374 return -ENOMEM; 2375 } 2376 tx_ring->cmd_buf_arr = cmd_buf_arr; 2377 spin_lock_init(&tx_ring->tx_clean_lock); 2378 } 2379 2380 if (qlcnic_83xx_check(adapter) || 2381 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2382 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2383 tx_ring = &adapter->tx_ring[ring]; 2384 tx_ring->adapter = adapter; 2385 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2386 index = adapter->drv_sds_rings + ring; 2387 vector = adapter->msix_entries[index].vector; 2388 tx_ring->irq = vector; 2389 } 2390 } 2391 } 2392 2393 return 0; 2394 } 2395 2396 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2397 { 2398 struct qlcnic_hardware_context *ahw = adapter->ahw; 2399 u32 fw_cmd = 0; 2400 2401 if (qlcnic_82xx_check(adapter)) 2402 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2403 else if (qlcnic_83xx_check(adapter)) 2404 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2405 2406 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2407 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2408 } 2409 2410 /* Reset firmware API lock */ 2411 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2412 { 2413 qlcnic_api_lock(adapter); 2414 qlcnic_api_unlock(adapter); 2415 } 2416 2417 2418 static int 2419 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2420 { 2421 struct net_device *netdev = NULL; 2422 struct qlcnic_adapter *adapter = NULL; 2423 struct qlcnic_hardware_context *ahw; 2424 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2425 int err; 2426 2427 err = pci_enable_device(pdev); 2428 if (err) 2429 return err; 2430 2431 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2432 err = -ENODEV; 2433 goto err_out_disable_pdev; 2434 } 2435 2436 err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); 2437 if (err) { 2438 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2439 goto err_out_disable_pdev; 2440 } 2441 2442 err = pci_request_regions(pdev, qlcnic_driver_name); 2443 if (err) 2444 goto err_out_disable_pdev; 2445 2446 pci_set_master(pdev); 2447 2448 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2449 if (!ahw) { 2450 err = -ENOMEM; 2451 goto err_out_free_res; 2452 } 2453 2454 switch (ent->device) { 2455 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2456 ahw->hw_ops = &qlcnic_hw_ops; 2457 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2458 break; 2459 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2460 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2461 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2462 qlcnic_83xx_register_map(ahw); 2463 break; 2464 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2465 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 2466 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2467 qlcnic_sriov_vf_register_map(ahw); 2468 break; 2469 default: 2470 err = -EINVAL; 2471 goto err_out_free_hw_res; 2472 } 2473 2474 err = qlcnic_setup_pci_map(pdev, ahw); 2475 if (err) 2476 goto err_out_free_hw_res; 2477 2478 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2479 QLCNIC_MAX_TX_RINGS); 2480 if (!netdev) { 2481 err = -ENOMEM; 2482 goto err_out_iounmap; 2483 } 2484 2485 SET_NETDEV_DEV(netdev, &pdev->dev); 2486 2487 adapter = netdev_priv(netdev); 2488 adapter->netdev = netdev; 2489 adapter->pdev = pdev; 2490 adapter->ahw = ahw; 2491 2492 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2493 if (adapter->qlcnic_wq == NULL) { 2494 err = -ENOMEM; 2495 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2496 goto err_out_free_netdev; 2497 } 2498 2499 err = qlcnic_alloc_adapter_resources(adapter); 2500 if (err) 2501 goto err_out_free_wq; 2502 2503 adapter->dev_rst_time = jiffies; 2504 ahw->revision_id = pdev->revision; 2505 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2506 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2507 adapter->fdb_mac_learn = true; 2508 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2509 adapter->drv_mac_learn = true; 2510 2511 rwlock_init(&adapter->ahw->crb_lock); 2512 mutex_init(&adapter->ahw->mem_lock); 2513 2514 INIT_LIST_HEAD(&adapter->mac_list); 2515 2516 qlcnic_register_dcb(adapter); 2517 2518 if (qlcnic_82xx_check(adapter)) { 2519 qlcnic_check_vf(adapter, ent); 2520 adapter->portnum = adapter->ahw->pci_func; 2521 qlcnic_reset_api_lock(adapter); 2522 err = qlcnic_start_firmware(adapter); 2523 if (err) { 2524 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2525 "\t\tIf reboot doesn't help, try flashing the card\n"); 2526 goto err_out_maintenance_mode; 2527 } 2528 2529 /* compute and set default and max tx/sds rings */ 2530 if (adapter->ahw->msix_supported) { 2531 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2532 qlcnic_set_tx_ring_count(adapter, 2533 QLCNIC_SINGLE_RING); 2534 else 2535 qlcnic_set_tx_ring_count(adapter, 2536 QLCNIC_DEF_TX_RINGS); 2537 qlcnic_set_sds_ring_count(adapter, 2538 QLCNIC_DEF_SDS_RINGS); 2539 } else { 2540 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2541 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2542 } 2543 2544 err = qlcnic_setup_idc_param(adapter); 2545 if (err) 2546 goto err_out_free_hw; 2547 2548 adapter->flags |= QLCNIC_NEED_FLR; 2549 2550 } else if (qlcnic_83xx_check(adapter)) { 2551 qlcnic_83xx_check_vf(adapter, ent); 2552 adapter->portnum = adapter->ahw->pci_func; 2553 err = qlcnic_83xx_init(adapter); 2554 if (err) { 2555 switch (err) { 2556 case -ENOTRECOVERABLE: 2557 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2558 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2559 goto err_out_free_hw; 2560 case -ENOMEM: 2561 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2562 goto err_out_free_hw; 2563 case -EOPNOTSUPP: 2564 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2565 goto err_out_free_hw; 2566 default: 2567 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2568 goto err_out_maintenance_mode; 2569 } 2570 } 2571 2572 if (qlcnic_sriov_vf_check(adapter)) 2573 return 0; 2574 } else { 2575 dev_err(&pdev->dev, 2576 "%s: failed. Please Reboot\n", __func__); 2577 err = -ENODEV; 2578 goto err_out_free_hw; 2579 } 2580 2581 if (qlcnic_read_mac_addr(adapter)) 2582 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2583 2584 qlcnic_read_phys_port_id(adapter); 2585 2586 if (adapter->portnum == 0) { 2587 qlcnic_get_board_name(adapter, board_name); 2588 2589 pr_info("%s: %s Board Chip rev 0x%x\n", 2590 module_name(THIS_MODULE), 2591 board_name, adapter->ahw->revision_id); 2592 } 2593 2594 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2595 !!qlcnic_use_msi) 2596 dev_warn(&pdev->dev, 2597 "Device does not support MSI interrupts\n"); 2598 2599 if (qlcnic_82xx_check(adapter)) { 2600 err = qlcnic_dcb_enable(adapter->dcb); 2601 if (err) { 2602 qlcnic_dcb_free(adapter->dcb); 2603 dev_err(&pdev->dev, "Failed to enable DCB\n"); 2604 goto err_out_free_hw; 2605 } 2606 2607 qlcnic_dcb_get_info(adapter->dcb); 2608 err = qlcnic_setup_intr(adapter); 2609 2610 if (err) { 2611 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2612 goto err_out_disable_msi; 2613 } 2614 } 2615 2616 err = qlcnic_get_act_pci_func(adapter); 2617 if (err) 2618 goto err_out_disable_mbx_intr; 2619 2620 if (adapter->portnum == 0) 2621 qlcnic_set_drv_version(adapter); 2622 2623 err = qlcnic_setup_netdev(adapter, netdev); 2624 if (err) 2625 goto err_out_disable_mbx_intr; 2626 2627 pci_set_drvdata(pdev, adapter); 2628 2629 if (qlcnic_82xx_check(adapter)) 2630 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2631 FW_POLL_DELAY); 2632 2633 switch (adapter->ahw->port_type) { 2634 case QLCNIC_GBE: 2635 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2636 adapter->netdev->name); 2637 break; 2638 case QLCNIC_XGBE: 2639 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2640 adapter->netdev->name); 2641 break; 2642 } 2643 2644 if (adapter->drv_mac_learn) 2645 qlcnic_alloc_lb_filters_mem(adapter); 2646 2647 qlcnic_add_sysfs(adapter); 2648 qlcnic_register_hwmon_dev(adapter); 2649 return 0; 2650 2651 err_out_disable_mbx_intr: 2652 if (qlcnic_83xx_check(adapter)) 2653 qlcnic_83xx_free_mbx_intr(adapter); 2654 2655 err_out_disable_msi: 2656 qlcnic_teardown_intr(adapter); 2657 qlcnic_cancel_idc_work(adapter); 2658 qlcnic_clr_all_drv_state(adapter, 0); 2659 2660 err_out_free_hw: 2661 qlcnic_free_adapter_resources(adapter); 2662 2663 err_out_free_wq: 2664 destroy_workqueue(adapter->qlcnic_wq); 2665 2666 err_out_free_netdev: 2667 free_netdev(netdev); 2668 2669 err_out_iounmap: 2670 qlcnic_cleanup_pci_map(ahw); 2671 2672 err_out_free_hw_res: 2673 kfree(ahw); 2674 2675 err_out_free_res: 2676 pci_release_regions(pdev); 2677 2678 err_out_disable_pdev: 2679 pci_disable_device(pdev); 2680 return err; 2681 2682 err_out_maintenance_mode: 2683 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2684 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2685 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2686 ahw->port_type = QLCNIC_XGBE; 2687 2688 if (qlcnic_83xx_check(adapter)) 2689 adapter->tgt_status_reg = NULL; 2690 else 2691 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2692 2693 err = register_netdev(netdev); 2694 2695 if (err) { 2696 dev_err(&pdev->dev, "Failed to register net device\n"); 2697 qlcnic_clr_all_drv_state(adapter, 0); 2698 goto err_out_free_hw; 2699 } 2700 2701 pci_set_drvdata(pdev, adapter); 2702 qlcnic_add_sysfs(adapter); 2703 2704 return 0; 2705 } 2706 2707 static void qlcnic_remove(struct pci_dev *pdev) 2708 { 2709 struct qlcnic_adapter *adapter; 2710 struct net_device *netdev; 2711 struct qlcnic_hardware_context *ahw; 2712 2713 adapter = pci_get_drvdata(pdev); 2714 if (adapter == NULL) 2715 return; 2716 2717 netdev = adapter->netdev; 2718 2719 qlcnic_cancel_idc_work(adapter); 2720 qlcnic_sriov_pf_disable(adapter); 2721 ahw = adapter->ahw; 2722 2723 unregister_netdev(netdev); 2724 qlcnic_sriov_cleanup(adapter); 2725 2726 if (qlcnic_83xx_check(adapter)) { 2727 qlcnic_83xx_initialize_nic(adapter, 0); 2728 cancel_delayed_work_sync(&adapter->idc_aen_work); 2729 qlcnic_83xx_free_mbx_intr(adapter); 2730 qlcnic_83xx_detach_mailbox_work(adapter); 2731 qlcnic_83xx_free_mailbox(ahw->mailbox); 2732 kfree(ahw->fw_info); 2733 } 2734 2735 qlcnic_dcb_free(adapter->dcb); 2736 qlcnic_detach(adapter); 2737 kfree(adapter->npars); 2738 kfree(adapter->eswitch); 2739 2740 if (qlcnic_82xx_check(adapter)) 2741 qlcnic_clr_all_drv_state(adapter, 0); 2742 2743 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2744 2745 qlcnic_free_lb_filters_mem(adapter); 2746 2747 qlcnic_teardown_intr(adapter); 2748 2749 qlcnic_remove_sysfs(adapter); 2750 2751 qlcnic_unregister_hwmon_dev(adapter); 2752 2753 qlcnic_cleanup_pci_map(adapter->ahw); 2754 2755 qlcnic_release_firmware(adapter); 2756 2757 pci_release_regions(pdev); 2758 pci_disable_device(pdev); 2759 2760 if (adapter->qlcnic_wq) { 2761 destroy_workqueue(adapter->qlcnic_wq); 2762 adapter->qlcnic_wq = NULL; 2763 } 2764 2765 qlcnic_free_adapter_resources(adapter); 2766 kfree(ahw); 2767 free_netdev(netdev); 2768 } 2769 2770 static void qlcnic_shutdown(struct pci_dev *pdev) 2771 { 2772 if (__qlcnic_shutdown(pdev)) 2773 return; 2774 2775 pci_disable_device(pdev); 2776 } 2777 2778 static int __maybe_unused qlcnic_suspend(struct device *dev_d) 2779 { 2780 return __qlcnic_shutdown(to_pci_dev(dev_d)); 2781 } 2782 2783 static int __maybe_unused qlcnic_resume(struct device *dev_d) 2784 { 2785 struct qlcnic_adapter *adapter = dev_get_drvdata(dev_d); 2786 2787 return __qlcnic_resume(adapter); 2788 } 2789 2790 static int qlcnic_open(struct net_device *netdev) 2791 { 2792 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2793 int err; 2794 2795 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2796 netdev_err(netdev, "%s: Device is in non-operational state\n", 2797 __func__); 2798 2799 return -EIO; 2800 } 2801 2802 netif_carrier_off(netdev); 2803 2804 err = qlcnic_attach(adapter); 2805 if (err) 2806 return err; 2807 2808 err = __qlcnic_up(adapter, netdev); 2809 if (err) 2810 qlcnic_detach(adapter); 2811 2812 return err; 2813 } 2814 2815 /* 2816 * qlcnic_close - Disables a network interface entry point 2817 */ 2818 static int qlcnic_close(struct net_device *netdev) 2819 { 2820 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2821 2822 __qlcnic_down(adapter, netdev); 2823 2824 return 0; 2825 } 2826 2827 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2828 2829 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2830 { 2831 void *head; 2832 int i; 2833 struct net_device *netdev = adapter->netdev; 2834 u32 filter_size = 0; 2835 u16 act_pci_func = 0; 2836 2837 if (adapter->fhash.fmax && adapter->fhash.fhead) 2838 return; 2839 2840 act_pci_func = adapter->ahw->total_nic_func; 2841 spin_lock_init(&adapter->mac_learn_lock); 2842 spin_lock_init(&adapter->rx_mac_learn_lock); 2843 2844 if (qlcnic_sriov_vf_check(adapter)) { 2845 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2846 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2847 } else if (qlcnic_82xx_check(adapter)) { 2848 filter_size = QLCNIC_LB_MAX_FILTERS; 2849 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2850 } else { 2851 filter_size = QLC_83XX_LB_MAX_FILTERS; 2852 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2853 } 2854 2855 head = kcalloc(adapter->fhash.fbucket_size, 2856 sizeof(struct hlist_head), GFP_ATOMIC); 2857 2858 if (!head) 2859 return; 2860 2861 adapter->fhash.fmax = (filter_size / act_pci_func); 2862 adapter->fhash.fhead = head; 2863 2864 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2865 act_pci_func, adapter->fhash.fmax); 2866 2867 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2868 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2869 2870 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2871 2872 head = kcalloc(adapter->rx_fhash.fbucket_size, 2873 sizeof(struct hlist_head), GFP_ATOMIC); 2874 2875 if (!head) 2876 return; 2877 2878 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2879 adapter->rx_fhash.fhead = head; 2880 2881 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2882 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2883 } 2884 2885 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2886 { 2887 if (adapter->fhash.fmax) 2888 kfree(adapter->fhash.fhead); 2889 2890 adapter->fhash.fhead = NULL; 2891 adapter->fhash.fmax = 0; 2892 2893 if (adapter->rx_fhash.fmax) 2894 kfree(adapter->rx_fhash.fhead); 2895 2896 adapter->rx_fhash.fmax = 0; 2897 adapter->rx_fhash.fhead = NULL; 2898 } 2899 2900 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2901 { 2902 struct net_device *netdev = adapter->netdev; 2903 u32 temp_state, temp_val, temp = 0; 2904 int rv = 0; 2905 2906 if (qlcnic_83xx_check(adapter)) 2907 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2908 2909 if (qlcnic_82xx_check(adapter)) 2910 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2911 2912 temp_state = qlcnic_get_temp_state(temp); 2913 temp_val = qlcnic_get_temp_val(temp); 2914 2915 if (temp_state == QLCNIC_TEMP_PANIC) { 2916 dev_err(&netdev->dev, 2917 "Device temperature %d degrees C exceeds" 2918 " maximum allowed. Hardware has been shut down.\n", 2919 temp_val); 2920 rv = 1; 2921 } else if (temp_state == QLCNIC_TEMP_WARN) { 2922 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2923 dev_err(&netdev->dev, 2924 "Device temperature %d degrees C " 2925 "exceeds operating range." 2926 " Immediate action needed.\n", 2927 temp_val); 2928 } 2929 } else { 2930 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2931 dev_info(&netdev->dev, 2932 "Device temperature is now %d degrees C" 2933 " in normal range.\n", temp_val); 2934 } 2935 } 2936 adapter->ahw->temp = temp_state; 2937 return rv; 2938 } 2939 2940 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2941 { 2942 int i; 2943 2944 for (i = 0; i < tx_ring->num_desc; i++) { 2945 pr_info("TX Desc: %d\n", i); 2946 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 2947 &tx_ring->desc_head[i], 2948 sizeof(struct cmd_desc_type0), true); 2949 } 2950 } 2951 2952 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 2953 { 2954 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2955 struct net_device *netdev = adapter->netdev; 2956 struct qlcnic_host_rds_ring *rds_ring; 2957 struct qlcnic_host_sds_ring *sds_ring; 2958 struct qlcnic_host_tx_ring *tx_ring; 2959 int ring; 2960 2961 if (!netdev || !netif_running(netdev)) 2962 return; 2963 2964 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2965 rds_ring = &recv_ctx->rds_rings[ring]; 2966 if (!rds_ring) 2967 continue; 2968 netdev_info(netdev, 2969 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 2970 ring, readl(rds_ring->crb_rcv_producer), 2971 rds_ring->producer, rds_ring->num_desc); 2972 } 2973 2974 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2975 sds_ring = &(recv_ctx->sds_rings[ring]); 2976 if (!sds_ring) 2977 continue; 2978 netdev_info(netdev, 2979 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 2980 ring, readl(sds_ring->crb_sts_consumer), 2981 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 2982 sds_ring->num_desc); 2983 } 2984 2985 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2986 tx_ring = &adapter->tx_ring[ring]; 2987 if (!tx_ring) 2988 continue; 2989 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 2990 ring, tx_ring->ctx_id); 2991 netdev_info(netdev, 2992 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 2993 tx_ring->tx_stats.xmit_finished, 2994 tx_ring->tx_stats.xmit_called, 2995 tx_ring->tx_stats.xmit_on, 2996 tx_ring->tx_stats.xmit_off); 2997 2998 if (tx_ring->crb_intr_mask) 2999 netdev_info(netdev, "crb_intr_mask=%d\n", 3000 readl(tx_ring->crb_intr_mask)); 3001 3002 netdev_info(netdev, 3003 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3004 readl(tx_ring->crb_cmd_producer), 3005 tx_ring->producer, tx_ring->sw_consumer, 3006 le32_to_cpu(*(tx_ring->hw_consumer))); 3007 3008 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3009 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3010 3011 if (netif_msg_tx_err(adapter->ahw)) 3012 dump_tx_ring_desc(tx_ring); 3013 } 3014 3015 } 3016 3017 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue) 3018 { 3019 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3020 3021 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3022 return; 3023 3024 qlcnic_dump_rings(adapter); 3025 3026 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3027 netif_msg_tx_err(adapter->ahw)) { 3028 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3029 if (qlcnic_82xx_check(adapter)) 3030 adapter->need_fw_reset = 1; 3031 else if (qlcnic_83xx_check(adapter)) 3032 qlcnic_83xx_idc_request_reset(adapter, 3033 QLCNIC_FORCE_FW_DUMP_KEY); 3034 } else { 3035 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3036 adapter->ahw->reset_context = 1; 3037 } 3038 } 3039 3040 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3041 { 3042 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3043 struct net_device_stats *stats = &netdev->stats; 3044 3045 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3046 qlcnic_update_stats(adapter); 3047 3048 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3049 stats->tx_packets = adapter->stats.xmitfinished; 3050 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3051 stats->tx_bytes = adapter->stats.txbytes; 3052 stats->rx_dropped = adapter->stats.rxdropped; 3053 stats->tx_dropped = adapter->stats.txdropped; 3054 3055 return stats; 3056 } 3057 3058 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3059 { 3060 u32 status; 3061 3062 status = readl(adapter->isr_int_vec); 3063 3064 if (!(status & adapter->ahw->int_vec_bit)) 3065 return IRQ_NONE; 3066 3067 /* check interrupt state machine, to be sure */ 3068 status = readl(adapter->crb_int_state_reg); 3069 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3070 return IRQ_NONE; 3071 3072 writel(0xffffffff, adapter->tgt_status_reg); 3073 /* read twice to ensure write is flushed */ 3074 readl(adapter->isr_int_vec); 3075 readl(adapter->isr_int_vec); 3076 3077 return IRQ_HANDLED; 3078 } 3079 3080 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3081 { 3082 struct qlcnic_host_sds_ring *sds_ring = data; 3083 struct qlcnic_adapter *adapter = sds_ring->adapter; 3084 3085 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3086 goto done; 3087 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3088 writel(0xffffffff, adapter->tgt_status_reg); 3089 goto done; 3090 } 3091 3092 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3093 return IRQ_NONE; 3094 3095 done: 3096 adapter->ahw->diag_cnt++; 3097 qlcnic_enable_sds_intr(adapter, sds_ring); 3098 return IRQ_HANDLED; 3099 } 3100 3101 static irqreturn_t qlcnic_intr(int irq, void *data) 3102 { 3103 struct qlcnic_host_sds_ring *sds_ring = data; 3104 struct qlcnic_adapter *adapter = sds_ring->adapter; 3105 3106 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3107 return IRQ_NONE; 3108 3109 napi_schedule(&sds_ring->napi); 3110 3111 return IRQ_HANDLED; 3112 } 3113 3114 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3115 { 3116 struct qlcnic_host_sds_ring *sds_ring = data; 3117 struct qlcnic_adapter *adapter = sds_ring->adapter; 3118 3119 /* clear interrupt */ 3120 writel(0xffffffff, adapter->tgt_status_reg); 3121 3122 napi_schedule(&sds_ring->napi); 3123 return IRQ_HANDLED; 3124 } 3125 3126 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3127 { 3128 struct qlcnic_host_sds_ring *sds_ring = data; 3129 3130 napi_schedule(&sds_ring->napi); 3131 return IRQ_HANDLED; 3132 } 3133 3134 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3135 { 3136 struct qlcnic_host_tx_ring *tx_ring = data; 3137 3138 napi_schedule(&tx_ring->napi); 3139 return IRQ_HANDLED; 3140 } 3141 3142 static void 3143 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3144 { 3145 u32 val; 3146 3147 val = adapter->portnum & 0xf; 3148 val |= encoding << 7; 3149 val |= (jiffies - adapter->dev_rst_time) << 8; 3150 3151 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3152 adapter->dev_rst_time = jiffies; 3153 } 3154 3155 static int 3156 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3157 { 3158 u32 val; 3159 3160 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3161 state != QLCNIC_DEV_NEED_QUISCENT); 3162 3163 if (qlcnic_api_lock(adapter)) 3164 return -EIO; 3165 3166 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3167 3168 if (state == QLCNIC_DEV_NEED_RESET) 3169 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3170 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3171 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3172 3173 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3174 3175 qlcnic_api_unlock(adapter); 3176 3177 return 0; 3178 } 3179 3180 static int 3181 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3182 { 3183 u32 val; 3184 3185 if (qlcnic_api_lock(adapter)) 3186 return -EBUSY; 3187 3188 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3189 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3190 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3191 3192 qlcnic_api_unlock(adapter); 3193 3194 return 0; 3195 } 3196 3197 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3198 { 3199 u32 val; 3200 3201 if (qlcnic_api_lock(adapter)) 3202 goto err; 3203 3204 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3205 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3206 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3207 3208 if (failed) { 3209 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3210 QLCNIC_DEV_FAILED); 3211 dev_info(&adapter->pdev->dev, 3212 "Device state set to Failed. Please Reboot\n"); 3213 } else if (!(val & 0x11111111)) 3214 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3215 QLCNIC_DEV_COLD); 3216 3217 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3218 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3219 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3220 3221 qlcnic_api_unlock(adapter); 3222 err: 3223 adapter->fw_fail_cnt = 0; 3224 adapter->flags &= ~QLCNIC_FW_HANG; 3225 clear_bit(__QLCNIC_START_FW, &adapter->state); 3226 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3227 } 3228 3229 /* Grab api lock, before checking state */ 3230 static int 3231 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3232 { 3233 int act, state, active_mask; 3234 struct qlcnic_hardware_context *ahw = adapter->ahw; 3235 3236 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3237 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3238 3239 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3240 active_mask = (~(1 << (ahw->pci_func * 4))); 3241 act = act & active_mask; 3242 } 3243 3244 if (((state & 0x11111111) == (act & 0x11111111)) || 3245 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3246 return 0; 3247 else 3248 return 1; 3249 } 3250 3251 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3252 { 3253 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3254 3255 if (val != QLCNIC_DRV_IDC_VER) { 3256 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3257 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3258 } 3259 3260 return 0; 3261 } 3262 3263 static int 3264 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3265 { 3266 u32 val, prev_state; 3267 u8 dev_init_timeo = adapter->dev_init_timeo; 3268 u8 portnum = adapter->portnum; 3269 u8 ret; 3270 3271 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3272 return 1; 3273 3274 if (qlcnic_api_lock(adapter)) 3275 return -1; 3276 3277 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3278 if (!(val & (1 << (portnum * 4)))) { 3279 QLC_DEV_SET_REF_CNT(val, portnum); 3280 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3281 } 3282 3283 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3284 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3285 3286 switch (prev_state) { 3287 case QLCNIC_DEV_COLD: 3288 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3289 QLCNIC_DEV_INITIALIZING); 3290 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3291 QLCNIC_DRV_IDC_VER); 3292 qlcnic_idc_debug_info(adapter, 0); 3293 qlcnic_api_unlock(adapter); 3294 return 1; 3295 3296 case QLCNIC_DEV_READY: 3297 ret = qlcnic_check_idc_ver(adapter); 3298 qlcnic_api_unlock(adapter); 3299 return ret; 3300 3301 case QLCNIC_DEV_NEED_RESET: 3302 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3303 QLC_DEV_SET_RST_RDY(val, portnum); 3304 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3305 break; 3306 3307 case QLCNIC_DEV_NEED_QUISCENT: 3308 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3309 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3310 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3311 break; 3312 3313 case QLCNIC_DEV_FAILED: 3314 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3315 qlcnic_api_unlock(adapter); 3316 return -1; 3317 3318 case QLCNIC_DEV_INITIALIZING: 3319 case QLCNIC_DEV_QUISCENT: 3320 break; 3321 } 3322 3323 qlcnic_api_unlock(adapter); 3324 3325 do { 3326 msleep(1000); 3327 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3328 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3329 3330 if (!dev_init_timeo) { 3331 dev_err(&adapter->pdev->dev, 3332 "Waiting for device to initialize timeout\n"); 3333 return -1; 3334 } 3335 3336 if (qlcnic_api_lock(adapter)) 3337 return -1; 3338 3339 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3340 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3341 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3342 3343 ret = qlcnic_check_idc_ver(adapter); 3344 qlcnic_api_unlock(adapter); 3345 3346 return ret; 3347 } 3348 3349 static void 3350 qlcnic_fwinit_work(struct work_struct *work) 3351 { 3352 struct qlcnic_adapter *adapter = container_of(work, 3353 struct qlcnic_adapter, fw_work.work); 3354 u32 dev_state = 0xf; 3355 u32 val; 3356 3357 if (qlcnic_api_lock(adapter)) 3358 goto err_ret; 3359 3360 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3361 if (dev_state == QLCNIC_DEV_QUISCENT || 3362 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3363 qlcnic_api_unlock(adapter); 3364 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3365 FW_POLL_DELAY * 2); 3366 return; 3367 } 3368 3369 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3370 qlcnic_api_unlock(adapter); 3371 goto wait_npar; 3372 } 3373 3374 if (dev_state == QLCNIC_DEV_INITIALIZING || 3375 dev_state == QLCNIC_DEV_READY) { 3376 dev_info(&adapter->pdev->dev, "Detected state change from " 3377 "DEV_NEED_RESET, skipping ack check\n"); 3378 goto skip_ack_check; 3379 } 3380 3381 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3382 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3383 adapter->reset_ack_timeo); 3384 goto skip_ack_check; 3385 } 3386 3387 if (!qlcnic_check_drv_state(adapter)) { 3388 skip_ack_check: 3389 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3390 3391 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3392 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3393 QLCNIC_DEV_INITIALIZING); 3394 set_bit(__QLCNIC_START_FW, &adapter->state); 3395 QLCDB(adapter, DRV, "Restarting fw\n"); 3396 qlcnic_idc_debug_info(adapter, 0); 3397 val = QLC_SHARED_REG_RD32(adapter, 3398 QLCNIC_CRB_DRV_STATE); 3399 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3400 QLC_SHARED_REG_WR32(adapter, 3401 QLCNIC_CRB_DRV_STATE, val); 3402 } 3403 3404 qlcnic_api_unlock(adapter); 3405 3406 rtnl_lock(); 3407 if (qlcnic_check_fw_dump_state(adapter) && 3408 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3409 QLCDB(adapter, DRV, "Take FW dump\n"); 3410 qlcnic_dump_fw(adapter); 3411 adapter->flags |= QLCNIC_FW_HANG; 3412 } 3413 rtnl_unlock(); 3414 3415 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3416 if (!adapter->nic_ops->start_firmware(adapter)) { 3417 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3418 adapter->fw_wait_cnt = 0; 3419 return; 3420 } 3421 goto err_ret; 3422 } 3423 3424 qlcnic_api_unlock(adapter); 3425 3426 wait_npar: 3427 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3428 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3429 3430 switch (dev_state) { 3431 case QLCNIC_DEV_READY: 3432 if (!qlcnic_start_firmware(adapter)) { 3433 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3434 adapter->fw_wait_cnt = 0; 3435 return; 3436 } 3437 break; 3438 case QLCNIC_DEV_FAILED: 3439 break; 3440 default: 3441 qlcnic_schedule_work(adapter, 3442 qlcnic_fwinit_work, FW_POLL_DELAY); 3443 return; 3444 } 3445 3446 err_ret: 3447 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3448 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3449 netif_device_attach(adapter->netdev); 3450 qlcnic_clr_all_drv_state(adapter, 0); 3451 } 3452 3453 static void 3454 qlcnic_detach_work(struct work_struct *work) 3455 { 3456 struct qlcnic_adapter *adapter = container_of(work, 3457 struct qlcnic_adapter, fw_work.work); 3458 struct net_device *netdev = adapter->netdev; 3459 u32 status; 3460 3461 netif_device_detach(netdev); 3462 3463 /* Dont grab rtnl lock during Quiscent mode */ 3464 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3465 if (netif_running(netdev)) 3466 __qlcnic_down(adapter, netdev); 3467 } else 3468 qlcnic_down(adapter, netdev); 3469 3470 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3471 3472 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3473 dev_err(&adapter->pdev->dev, 3474 "Detaching the device: peg halt status1=0x%x\n", 3475 status); 3476 3477 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3478 dev_err(&adapter->pdev->dev, 3479 "On board active cooling fan failed. " 3480 "Device has been halted.\n"); 3481 dev_err(&adapter->pdev->dev, 3482 "Replace the adapter.\n"); 3483 } 3484 3485 goto err_ret; 3486 } 3487 3488 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3489 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3490 adapter->ahw->temp); 3491 goto err_ret; 3492 } 3493 3494 /* Dont ack if this instance is the reset owner */ 3495 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3496 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3497 dev_err(&adapter->pdev->dev, 3498 "Failed to set driver state," 3499 "detaching the device.\n"); 3500 goto err_ret; 3501 } 3502 } 3503 3504 adapter->fw_wait_cnt = 0; 3505 3506 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3507 3508 return; 3509 3510 err_ret: 3511 netif_device_attach(netdev); 3512 qlcnic_clr_all_drv_state(adapter, 1); 3513 } 3514 3515 /*Transit NPAR state to NON Operational */ 3516 static void 3517 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3518 { 3519 u32 state; 3520 3521 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3522 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3523 return; 3524 3525 if (qlcnic_api_lock(adapter)) 3526 return; 3527 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3528 QLCNIC_DEV_NPAR_NON_OPER); 3529 qlcnic_api_unlock(adapter); 3530 } 3531 3532 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3533 u32 key) 3534 { 3535 u32 state, xg_val = 0, gb_val = 0; 3536 3537 qlcnic_xg_set_xg0_mask(xg_val); 3538 qlcnic_xg_set_xg1_mask(xg_val); 3539 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3540 qlcnic_gb_set_gb0_mask(gb_val); 3541 qlcnic_gb_set_gb1_mask(gb_val); 3542 qlcnic_gb_set_gb2_mask(gb_val); 3543 qlcnic_gb_set_gb3_mask(gb_val); 3544 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3545 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3546 " on all ports\n"); 3547 adapter->need_fw_reset = 1; 3548 3549 if (qlcnic_api_lock(adapter)) 3550 return; 3551 3552 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3553 3554 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3555 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3556 __func__); 3557 qlcnic_api_unlock(adapter); 3558 3559 return; 3560 } 3561 3562 if (state == QLCNIC_DEV_READY) { 3563 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3564 QLCNIC_DEV_NEED_RESET); 3565 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3566 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3567 qlcnic_idc_debug_info(adapter, 0); 3568 } 3569 3570 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3571 QLCNIC_DEV_NPAR_NON_OPER); 3572 qlcnic_api_unlock(adapter); 3573 } 3574 3575 /* Transit to NPAR READY state from NPAR NOT READY state */ 3576 static void 3577 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3578 { 3579 if (qlcnic_api_lock(adapter)) 3580 return; 3581 3582 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3583 QLCNIC_DEV_NPAR_OPER); 3584 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3585 3586 qlcnic_api_unlock(adapter); 3587 } 3588 3589 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3590 work_func_t func, int delay) 3591 { 3592 if (test_bit(__QLCNIC_AER, &adapter->state)) 3593 return; 3594 3595 INIT_DELAYED_WORK(&adapter->fw_work, func); 3596 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3597 round_jiffies_relative(delay)); 3598 } 3599 3600 static void 3601 qlcnic_attach_work(struct work_struct *work) 3602 { 3603 struct qlcnic_adapter *adapter = container_of(work, 3604 struct qlcnic_adapter, fw_work.work); 3605 struct net_device *netdev = adapter->netdev; 3606 u32 npar_state; 3607 3608 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3609 npar_state = QLC_SHARED_REG_RD32(adapter, 3610 QLCNIC_CRB_DEV_NPAR_STATE); 3611 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3612 qlcnic_clr_all_drv_state(adapter, 0); 3613 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3614 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3615 FW_POLL_DELAY); 3616 else 3617 goto attach; 3618 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3619 return; 3620 } 3621 attach: 3622 qlcnic_dcb_get_info(adapter->dcb); 3623 3624 if (netif_running(netdev)) { 3625 if (qlcnic_up(adapter, netdev)) 3626 goto done; 3627 3628 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3629 } 3630 3631 done: 3632 netif_device_attach(netdev); 3633 adapter->fw_fail_cnt = 0; 3634 adapter->flags &= ~QLCNIC_FW_HANG; 3635 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3636 if (adapter->portnum == 0) 3637 qlcnic_set_drv_version(adapter); 3638 3639 if (!qlcnic_clr_drv_state(adapter)) 3640 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3641 FW_POLL_DELAY); 3642 } 3643 3644 static int 3645 qlcnic_check_health(struct qlcnic_adapter *adapter) 3646 { 3647 struct qlcnic_hardware_context *ahw = adapter->ahw; 3648 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3649 u32 state = 0, heartbeat; 3650 u32 peg_status; 3651 int err = 0; 3652 3653 if (qlcnic_check_temp(adapter)) 3654 goto detach; 3655 3656 if (adapter->need_fw_reset) 3657 qlcnic_dev_request_reset(adapter, 0); 3658 3659 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3660 if (state == QLCNIC_DEV_NEED_RESET) { 3661 qlcnic_set_npar_non_operational(adapter); 3662 adapter->need_fw_reset = 1; 3663 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3664 goto detach; 3665 3666 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3667 if (heartbeat != adapter->heartbeat) { 3668 adapter->heartbeat = heartbeat; 3669 adapter->fw_fail_cnt = 0; 3670 if (adapter->need_fw_reset) 3671 goto detach; 3672 3673 if (ahw->reset_context && qlcnic_auto_fw_reset) 3674 qlcnic_reset_hw_context(adapter); 3675 3676 return 0; 3677 } 3678 3679 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3680 return 0; 3681 3682 adapter->flags |= QLCNIC_FW_HANG; 3683 3684 qlcnic_dev_request_reset(adapter, 0); 3685 3686 if (qlcnic_auto_fw_reset) 3687 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3688 3689 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3690 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3691 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3692 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3693 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3694 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3695 "PEG_NET_4_PC: 0x%x\n", 3696 peg_status, 3697 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3698 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3699 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3700 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3701 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3702 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3703 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3704 dev_err(&adapter->pdev->dev, 3705 "Firmware aborted with error code 0x00006700. " 3706 "Device is being reset.\n"); 3707 detach: 3708 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3709 QLCNIC_DEV_NEED_RESET; 3710 3711 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3712 &adapter->state)) { 3713 3714 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3715 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3716 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3717 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3718 qlcnic_dump_fw(adapter); 3719 } 3720 3721 return 1; 3722 } 3723 3724 void qlcnic_fw_poll_work(struct work_struct *work) 3725 { 3726 struct qlcnic_adapter *adapter = container_of(work, 3727 struct qlcnic_adapter, fw_work.work); 3728 3729 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3730 goto reschedule; 3731 3732 3733 if (qlcnic_check_health(adapter)) 3734 return; 3735 3736 if (adapter->fhash.fnum) 3737 qlcnic_prune_lb_filters(adapter); 3738 3739 reschedule: 3740 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3741 } 3742 3743 static int qlcnic_is_first_func(struct pci_dev *pdev) 3744 { 3745 struct pci_dev *oth_pdev; 3746 int val = pdev->devfn; 3747 3748 while (val-- > 0) { 3749 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3750 (pdev->bus), pdev->bus->number, 3751 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3752 if (!oth_pdev) 3753 continue; 3754 3755 if (oth_pdev->current_state != PCI_D3cold) { 3756 pci_dev_put(oth_pdev); 3757 return 0; 3758 } 3759 pci_dev_put(oth_pdev); 3760 } 3761 return 1; 3762 } 3763 3764 static int qlcnic_attach_func(struct pci_dev *pdev) 3765 { 3766 int err, first_func; 3767 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3768 struct net_device *netdev = adapter->netdev; 3769 3770 pdev->error_state = pci_channel_io_normal; 3771 3772 err = pci_enable_device(pdev); 3773 if (err) 3774 return err; 3775 3776 pci_set_master(pdev); 3777 pci_restore_state(pdev); 3778 3779 first_func = qlcnic_is_first_func(pdev); 3780 3781 if (qlcnic_api_lock(adapter)) 3782 return -EINVAL; 3783 3784 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3785 adapter->need_fw_reset = 1; 3786 set_bit(__QLCNIC_START_FW, &adapter->state); 3787 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3788 QLCNIC_DEV_INITIALIZING); 3789 QLCDB(adapter, DRV, "Restarting fw\n"); 3790 } 3791 qlcnic_api_unlock(adapter); 3792 3793 err = qlcnic_start_firmware(adapter); 3794 if (err) 3795 return err; 3796 3797 qlcnic_clr_drv_state(adapter); 3798 kfree(adapter->msix_entries); 3799 adapter->msix_entries = NULL; 3800 err = qlcnic_setup_intr(adapter); 3801 3802 if (err) { 3803 kfree(adapter->msix_entries); 3804 netdev_err(netdev, "failed to setup interrupt\n"); 3805 return err; 3806 } 3807 3808 if (netif_running(netdev)) { 3809 err = qlcnic_attach(adapter); 3810 if (err) { 3811 qlcnic_clr_all_drv_state(adapter, 1); 3812 clear_bit(__QLCNIC_AER, &adapter->state); 3813 netif_device_attach(netdev); 3814 return err; 3815 } 3816 3817 err = qlcnic_up(adapter, netdev); 3818 if (err) 3819 goto done; 3820 3821 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3822 } 3823 done: 3824 netif_device_attach(netdev); 3825 return err; 3826 } 3827 3828 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3829 pci_channel_state_t state) 3830 { 3831 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3832 struct net_device *netdev = adapter->netdev; 3833 3834 if (state == pci_channel_io_perm_failure) 3835 return PCI_ERS_RESULT_DISCONNECT; 3836 3837 if (state == pci_channel_io_normal) 3838 return PCI_ERS_RESULT_RECOVERED; 3839 3840 set_bit(__QLCNIC_AER, &adapter->state); 3841 netif_device_detach(netdev); 3842 3843 cancel_delayed_work_sync(&adapter->fw_work); 3844 3845 if (netif_running(netdev)) 3846 qlcnic_down(adapter, netdev); 3847 3848 qlcnic_detach(adapter); 3849 qlcnic_teardown_intr(adapter); 3850 3851 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3852 3853 pci_save_state(pdev); 3854 pci_disable_device(pdev); 3855 3856 return PCI_ERS_RESULT_NEED_RESET; 3857 } 3858 3859 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3860 { 3861 pci_ers_result_t res; 3862 3863 rtnl_lock(); 3864 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3865 PCI_ERS_RESULT_RECOVERED; 3866 rtnl_unlock(); 3867 3868 return res; 3869 } 3870 3871 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3872 { 3873 u32 state; 3874 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3875 3876 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3877 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3878 &adapter->state)) 3879 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3880 FW_POLL_DELAY); 3881 } 3882 3883 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3884 pci_channel_state_t state) 3885 { 3886 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3887 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3888 3889 if (hw_ops->io_error_detected) { 3890 return hw_ops->io_error_detected(pdev, state); 3891 } else { 3892 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3893 return PCI_ERS_RESULT_DISCONNECT; 3894 } 3895 } 3896 3897 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3898 { 3899 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3900 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3901 3902 if (hw_ops->io_slot_reset) { 3903 return hw_ops->io_slot_reset(pdev); 3904 } else { 3905 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3906 return PCI_ERS_RESULT_DISCONNECT; 3907 } 3908 } 3909 3910 static void qlcnic_io_resume(struct pci_dev *pdev) 3911 { 3912 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3913 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3914 3915 if (hw_ops->io_resume) 3916 hw_ops->io_resume(pdev); 3917 else 3918 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3919 } 3920 3921 3922 static int 3923 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3924 { 3925 int err; 3926 3927 err = qlcnic_can_start_firmware(adapter); 3928 if (err) 3929 return err; 3930 3931 err = qlcnic_check_npar_opertional(adapter); 3932 if (err) 3933 return err; 3934 3935 err = qlcnic_initialize_nic(adapter); 3936 if (err) 3937 return err; 3938 3939 qlcnic_check_options(adapter); 3940 3941 err = qlcnic_set_eswitch_port_config(adapter); 3942 if (err) 3943 return err; 3944 3945 adapter->need_fw_reset = 0; 3946 3947 return err; 3948 } 3949 3950 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 3951 int queue_type) 3952 { 3953 struct net_device *netdev = adapter->netdev; 3954 char buf[8]; 3955 3956 if (queue_type == QLCNIC_RX_QUEUE) 3957 strcpy(buf, "SDS"); 3958 else 3959 strcpy(buf, "Tx"); 3960 3961 if (!is_power_of_2(ring_cnt)) { 3962 netdev_err(netdev, "%s rings value should be a power of 2\n", 3963 buf); 3964 return -EINVAL; 3965 } 3966 3967 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 3968 !qlcnic_check_multi_tx(adapter)) { 3969 netdev_err(netdev, "No Multi Tx queue support\n"); 3970 return -EINVAL; 3971 } 3972 3973 if (ring_cnt > num_online_cpus()) { 3974 netdev_err(netdev, 3975 "%s value[%u] should not be higher than, number of online CPUs\n", 3976 buf, num_online_cpus()); 3977 return -EINVAL; 3978 } 3979 3980 return 0; 3981 } 3982 3983 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 3984 { 3985 struct net_device *netdev = adapter->netdev; 3986 u8 tx_rings, rx_rings; 3987 int err; 3988 3989 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3990 return -EBUSY; 3991 3992 tx_rings = adapter->drv_tss_rings; 3993 rx_rings = adapter->drv_rss_rings; 3994 3995 netif_device_detach(netdev); 3996 3997 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 3998 if (err) 3999 goto done; 4000 4001 if (netif_running(netdev)) 4002 __qlcnic_down(adapter, netdev); 4003 4004 qlcnic_detach(adapter); 4005 4006 if (qlcnic_83xx_check(adapter)) { 4007 qlcnic_83xx_free_mbx_intr(adapter); 4008 qlcnic_83xx_enable_mbx_poll(adapter); 4009 } 4010 4011 qlcnic_teardown_intr(adapter); 4012 4013 err = qlcnic_setup_intr(adapter); 4014 if (err) { 4015 kfree(adapter->msix_entries); 4016 netdev_err(netdev, "failed to setup interrupt\n"); 4017 return err; 4018 } 4019 4020 /* Check if we need to update real_num_{tx|rx}_queues because 4021 * qlcnic_setup_intr() may change Tx/Rx rings size 4022 */ 4023 if ((tx_rings != adapter->drv_tx_rings) || 4024 (rx_rings != adapter->drv_sds_rings)) { 4025 err = qlcnic_set_real_num_queues(adapter, 4026 adapter->drv_tx_rings, 4027 adapter->drv_sds_rings); 4028 if (err) 4029 goto done; 4030 } 4031 4032 if (qlcnic_83xx_check(adapter)) { 4033 qlcnic_83xx_initialize_nic(adapter, 1); 4034 err = qlcnic_83xx_setup_mbx_intr(adapter); 4035 qlcnic_83xx_disable_mbx_poll(adapter); 4036 if (err) { 4037 dev_err(&adapter->pdev->dev, 4038 "failed to setup mbx interrupt\n"); 4039 goto done; 4040 } 4041 } 4042 4043 if (netif_running(netdev)) { 4044 err = qlcnic_attach(adapter); 4045 if (err) 4046 goto done; 4047 err = __qlcnic_up(adapter, netdev); 4048 if (err) 4049 goto done; 4050 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4051 } 4052 done: 4053 netif_device_attach(netdev); 4054 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4055 return err; 4056 } 4057 4058 #ifdef CONFIG_INET 4059 4060 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4061 4062 static void 4063 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4064 struct net_device *dev, unsigned long event) 4065 { 4066 const struct in_ifaddr *ifa; 4067 struct in_device *indev; 4068 4069 indev = in_dev_get(dev); 4070 if (!indev) 4071 return; 4072 4073 in_dev_for_each_ifa_rtnl(ifa, indev) { 4074 switch (event) { 4075 case NETDEV_UP: 4076 qlcnic_config_ipaddr(adapter, 4077 ifa->ifa_address, QLCNIC_IP_UP); 4078 break; 4079 case NETDEV_DOWN: 4080 qlcnic_config_ipaddr(adapter, 4081 ifa->ifa_address, QLCNIC_IP_DOWN); 4082 break; 4083 default: 4084 break; 4085 } 4086 } 4087 4088 in_dev_put(indev); 4089 } 4090 4091 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4092 { 4093 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4094 struct net_device *dev; 4095 u16 vid; 4096 4097 qlcnic_config_indev_addr(adapter, netdev, event); 4098 4099 rcu_read_lock(); 4100 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4101 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4102 if (!dev) 4103 continue; 4104 qlcnic_config_indev_addr(adapter, dev, event); 4105 } 4106 rcu_read_unlock(); 4107 } 4108 4109 static int qlcnic_netdev_event(struct notifier_block *this, 4110 unsigned long event, void *ptr) 4111 { 4112 struct qlcnic_adapter *adapter; 4113 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4114 4115 recheck: 4116 if (dev == NULL) 4117 goto done; 4118 4119 if (is_vlan_dev(dev)) { 4120 dev = vlan_dev_real_dev(dev); 4121 goto recheck; 4122 } 4123 4124 if (!is_qlcnic_netdev(dev)) 4125 goto done; 4126 4127 adapter = netdev_priv(dev); 4128 4129 if (!adapter) 4130 goto done; 4131 4132 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4133 goto done; 4134 4135 qlcnic_config_indev_addr(adapter, dev, event); 4136 done: 4137 return NOTIFY_DONE; 4138 } 4139 4140 static int 4141 qlcnic_inetaddr_event(struct notifier_block *this, 4142 unsigned long event, void *ptr) 4143 { 4144 struct qlcnic_adapter *adapter; 4145 struct net_device *dev; 4146 4147 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4148 4149 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4150 4151 recheck: 4152 if (dev == NULL) 4153 goto done; 4154 4155 if (is_vlan_dev(dev)) { 4156 dev = vlan_dev_real_dev(dev); 4157 goto recheck; 4158 } 4159 4160 if (!is_qlcnic_netdev(dev)) 4161 goto done; 4162 4163 adapter = netdev_priv(dev); 4164 4165 if (!adapter) 4166 goto done; 4167 4168 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4169 goto done; 4170 4171 switch (event) { 4172 case NETDEV_UP: 4173 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4174 4175 break; 4176 case NETDEV_DOWN: 4177 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4178 4179 break; 4180 default: 4181 break; 4182 } 4183 4184 done: 4185 return NOTIFY_DONE; 4186 } 4187 4188 static struct notifier_block qlcnic_netdev_cb = { 4189 .notifier_call = qlcnic_netdev_event, 4190 }; 4191 4192 static struct notifier_block qlcnic_inetaddr_cb = { 4193 .notifier_call = qlcnic_inetaddr_event, 4194 }; 4195 #else 4196 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4197 { } 4198 #endif 4199 static const struct pci_error_handlers qlcnic_err_handler = { 4200 .error_detected = qlcnic_io_error_detected, 4201 .slot_reset = qlcnic_io_slot_reset, 4202 .resume = qlcnic_io_resume, 4203 }; 4204 4205 static SIMPLE_DEV_PM_OPS(qlcnic_pm_ops, qlcnic_suspend, qlcnic_resume); 4206 4207 static struct pci_driver qlcnic_driver = { 4208 .name = qlcnic_driver_name, 4209 .id_table = qlcnic_pci_tbl, 4210 .probe = qlcnic_probe, 4211 .remove = qlcnic_remove, 4212 .driver.pm = &qlcnic_pm_ops, 4213 .shutdown = qlcnic_shutdown, 4214 .err_handler = &qlcnic_err_handler, 4215 #ifdef CONFIG_QLCNIC_SRIOV 4216 .sriov_configure = qlcnic_pci_sriov_configure, 4217 #endif 4218 4219 }; 4220 4221 static int __init qlcnic_init_module(void) 4222 { 4223 int ret; 4224 4225 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4226 4227 #ifdef CONFIG_INET 4228 register_netdevice_notifier(&qlcnic_netdev_cb); 4229 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4230 #endif 4231 4232 ret = pci_register_driver(&qlcnic_driver); 4233 if (ret) { 4234 #ifdef CONFIG_INET 4235 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4236 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4237 #endif 4238 } 4239 4240 return ret; 4241 } 4242 4243 module_init(qlcnic_init_module); 4244 4245 static void __exit qlcnic_exit_module(void) 4246 { 4247 pci_unregister_driver(&qlcnic_driver); 4248 4249 #ifdef CONFIG_INET 4250 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4251 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4252 #endif 4253 } 4254 4255 module_exit(qlcnic_exit_module); 4256