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/aer.h> 16 #include <linux/log2.h> 17 #include <linux/pci.h> 18 #include <net/vxlan.h> 19 20 #include "qlcnic.h" 21 #include "qlcnic_sriov.h" 22 #include "qlcnic_hw.h" 23 24 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 25 MODULE_LICENSE("GPL"); 26 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 27 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 28 29 char qlcnic_driver_name[] = "qlcnic"; 30 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 31 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 32 33 static int qlcnic_mac_learn; 34 module_param(qlcnic_mac_learn, int, 0444); 35 MODULE_PARM_DESC(qlcnic_mac_learn, 36 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 37 38 int qlcnic_use_msi = 1; 39 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 40 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 41 42 int qlcnic_use_msi_x = 1; 43 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 44 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 45 46 int qlcnic_auto_fw_reset = 1; 47 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 48 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 49 50 int qlcnic_load_fw_file; 51 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)"); 52 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 53 54 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 55 static void qlcnic_remove(struct pci_dev *pdev); 56 static int qlcnic_open(struct net_device *netdev); 57 static int qlcnic_close(struct net_device *netdev); 58 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue); 59 static void qlcnic_attach_work(struct work_struct *work); 60 static void qlcnic_fwinit_work(struct work_struct *work); 61 62 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 63 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 64 65 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 66 static irqreturn_t qlcnic_intr(int irq, void *data); 67 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 68 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 69 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 70 71 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 72 static int qlcnic_start_firmware(struct qlcnic_adapter *); 73 74 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 75 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 76 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 77 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 78 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 79 80 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 81 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 82 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 83 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 84 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 85 static void qlcnic_82xx_io_resume(struct pci_dev *); 86 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 87 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 88 pci_channel_state_t); 89 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 90 { 91 struct qlcnic_hardware_context *ahw = adapter->ahw; 92 93 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 94 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 95 else 96 return 1; 97 } 98 99 /* PCI Device ID Table */ 100 #define ENTRY(device) \ 101 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 102 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 103 104 static const struct pci_device_id qlcnic_pci_tbl[] = { 105 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 106 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 107 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 108 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), 109 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30), 110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 111 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 112 {0,} 113 }; 114 115 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 116 117 118 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 119 { 120 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 121 } 122 123 static const u32 msi_tgt_status[8] = { 124 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 125 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 126 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 127 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 128 }; 129 130 static const u32 qlcnic_reg_tbl[] = { 131 0x1B20A8, /* PEG_HALT_STAT1 */ 132 0x1B20AC, /* PEG_HALT_STAT2 */ 133 0x1B20B0, /* FW_HEARTBEAT */ 134 0x1B2100, /* LOCK ID */ 135 0x1B2128, /* FW_CAPABILITIES */ 136 0x1B2138, /* drv active */ 137 0x1B2140, /* dev state */ 138 0x1B2144, /* drv state */ 139 0x1B2148, /* drv scratch */ 140 0x1B214C, /* dev partition info */ 141 0x1B2174, /* drv idc ver */ 142 0x1B2150, /* fw version major */ 143 0x1B2154, /* fw version minor */ 144 0x1B2158, /* fw version sub */ 145 0x1B219C, /* npar state */ 146 0x1B21FC, /* FW_IMG_VALID */ 147 0x1B2250, /* CMD_PEG_STATE */ 148 0x1B233C, /* RCV_PEG_STATE */ 149 0x1B23B4, /* ASIC TEMP */ 150 0x1B216C, /* FW api */ 151 0x1B2170, /* drv op mode */ 152 0x13C010, /* flash lock */ 153 0x13C014, /* flash unlock */ 154 }; 155 156 static const struct qlcnic_board_info qlcnic_boards[] = { 157 { PCI_VENDOR_ID_QLOGIC, 158 PCI_DEVICE_ID_QLOGIC_QLE844X, 159 0x0, 160 0x0, 161 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 162 { PCI_VENDOR_ID_QLOGIC, 163 PCI_DEVICE_ID_QLOGIC_QLE834X, 164 PCI_VENDOR_ID_QLOGIC, 165 0x24e, 166 "8300 Series Dual Port 10GbE Converged Network Adapter " 167 "(TCP/IP Networking)" }, 168 { PCI_VENDOR_ID_QLOGIC, 169 PCI_DEVICE_ID_QLOGIC_QLE834X, 170 PCI_VENDOR_ID_QLOGIC, 171 0x243, 172 "8300 Series Single Port 10GbE Converged Network Adapter " 173 "(TCP/IP Networking)" }, 174 { PCI_VENDOR_ID_QLOGIC, 175 PCI_DEVICE_ID_QLOGIC_QLE834X, 176 PCI_VENDOR_ID_QLOGIC, 177 0x24a, 178 "8300 Series Dual Port 10GbE Converged Network Adapter " 179 "(TCP/IP Networking)" }, 180 { PCI_VENDOR_ID_QLOGIC, 181 PCI_DEVICE_ID_QLOGIC_QLE834X, 182 PCI_VENDOR_ID_QLOGIC, 183 0x246, 184 "8300 Series Dual Port 10GbE Converged Network Adapter " 185 "(TCP/IP Networking)" }, 186 { PCI_VENDOR_ID_QLOGIC, 187 PCI_DEVICE_ID_QLOGIC_QLE834X, 188 PCI_VENDOR_ID_QLOGIC, 189 0x252, 190 "8300 Series Dual Port 10GbE Converged Network Adapter " 191 "(TCP/IP Networking)" }, 192 { PCI_VENDOR_ID_QLOGIC, 193 PCI_DEVICE_ID_QLOGIC_QLE834X, 194 PCI_VENDOR_ID_QLOGIC, 195 0x26e, 196 "8300 Series Dual Port 10GbE Converged Network Adapter " 197 "(TCP/IP Networking)" }, 198 { PCI_VENDOR_ID_QLOGIC, 199 PCI_DEVICE_ID_QLOGIC_QLE834X, 200 PCI_VENDOR_ID_QLOGIC, 201 0x260, 202 "8300 Series Dual Port 10GbE Converged Network Adapter " 203 "(TCP/IP Networking)" }, 204 { PCI_VENDOR_ID_QLOGIC, 205 PCI_DEVICE_ID_QLOGIC_QLE834X, 206 PCI_VENDOR_ID_QLOGIC, 207 0x266, 208 "8300 Series Single Port 10GbE Converged Network Adapter " 209 "(TCP/IP Networking)" }, 210 { PCI_VENDOR_ID_QLOGIC, 211 PCI_DEVICE_ID_QLOGIC_QLE834X, 212 PCI_VENDOR_ID_QLOGIC, 213 0x269, 214 "8300 Series Dual Port 10GbE Converged Network Adapter " 215 "(TCP/IP Networking)" }, 216 { PCI_VENDOR_ID_QLOGIC, 217 PCI_DEVICE_ID_QLOGIC_QLE834X, 218 PCI_VENDOR_ID_QLOGIC, 219 0x271, 220 "8300 Series Dual Port 10GbE Converged Network Adapter " 221 "(TCP/IP Networking)" }, 222 { PCI_VENDOR_ID_QLOGIC, 223 PCI_DEVICE_ID_QLOGIC_QLE834X, 224 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 225 { PCI_VENDOR_ID_QLOGIC, 226 PCI_DEVICE_ID_QLOGIC_QLE8830, 227 0x0, 228 0x0, 229 "8830 Series 1/10GbE Controller" }, 230 { PCI_VENDOR_ID_QLOGIC, 231 PCI_DEVICE_ID_QLOGIC_QLE824X, 232 PCI_VENDOR_ID_QLOGIC, 233 0x203, 234 "8200 Series Single Port 10GbE Converged Network Adapter" 235 "(TCP/IP Networking)" }, 236 { PCI_VENDOR_ID_QLOGIC, 237 PCI_DEVICE_ID_QLOGIC_QLE824X, 238 PCI_VENDOR_ID_QLOGIC, 239 0x207, 240 "8200 Series Dual Port 10GbE Converged Network Adapter" 241 "(TCP/IP Networking)" }, 242 { PCI_VENDOR_ID_QLOGIC, 243 PCI_DEVICE_ID_QLOGIC_QLE824X, 244 PCI_VENDOR_ID_QLOGIC, 245 0x20b, 246 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 247 { PCI_VENDOR_ID_QLOGIC, 248 PCI_DEVICE_ID_QLOGIC_QLE824X, 249 PCI_VENDOR_ID_QLOGIC, 250 0x20c, 251 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 252 { PCI_VENDOR_ID_QLOGIC, 253 PCI_DEVICE_ID_QLOGIC_QLE824X, 254 PCI_VENDOR_ID_QLOGIC, 255 0x20f, 256 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 257 { PCI_VENDOR_ID_QLOGIC, 258 PCI_DEVICE_ID_QLOGIC_QLE824X, 259 0x103c, 0x3733, 260 "NC523SFP 10Gb 2-port Server Adapter" }, 261 { PCI_VENDOR_ID_QLOGIC, 262 PCI_DEVICE_ID_QLOGIC_QLE824X, 263 0x103c, 0x3346, 264 "CN1000Q Dual Port Converged Network Adapter" }, 265 { PCI_VENDOR_ID_QLOGIC, 266 PCI_DEVICE_ID_QLOGIC_QLE824X, 267 PCI_VENDOR_ID_QLOGIC, 268 0x210, 269 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 270 { PCI_VENDOR_ID_QLOGIC, 271 PCI_DEVICE_ID_QLOGIC_QLE824X, 272 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 273 }; 274 275 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 276 277 static const 278 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 279 280 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 281 { 282 int size = sizeof(struct qlcnic_host_sds_ring) * count; 283 284 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 285 286 return recv_ctx->sds_rings == NULL; 287 } 288 289 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 290 { 291 kfree(recv_ctx->sds_rings); 292 recv_ctx->sds_rings = NULL; 293 } 294 295 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 296 { 297 struct net_device *netdev = adapter->netdev; 298 struct pci_dev *pdev = adapter->pdev; 299 u8 mac_addr[ETH_ALEN]; 300 int ret; 301 302 ret = qlcnic_get_mac_address(adapter, mac_addr, 303 adapter->ahw->pci_func); 304 if (ret) 305 return ret; 306 307 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 308 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 309 310 /* set station address */ 311 312 if (!is_valid_ether_addr(netdev->dev_addr)) 313 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 314 netdev->dev_addr); 315 316 return 0; 317 } 318 319 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 320 { 321 struct qlcnic_mac_vlan_list *cur; 322 323 list_for_each_entry(cur, &adapter->mac_list, list) { 324 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 325 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 326 0, QLCNIC_MAC_DEL); 327 list_del(&cur->list); 328 kfree(cur); 329 return; 330 } 331 } 332 } 333 334 static int qlcnic_set_mac(struct net_device *netdev, void *p) 335 { 336 struct qlcnic_adapter *adapter = netdev_priv(netdev); 337 struct sockaddr *addr = p; 338 339 if (qlcnic_sriov_vf_check(adapter)) 340 return -EINVAL; 341 342 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 343 return -EOPNOTSUPP; 344 345 if (!is_valid_ether_addr(addr->sa_data)) 346 return -EINVAL; 347 348 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) && 349 ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data)) 350 return 0; 351 352 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 353 netif_device_detach(netdev); 354 qlcnic_napi_disable(adapter); 355 } 356 357 qlcnic_delete_adapter_mac(adapter); 358 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 359 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 360 qlcnic_set_multi(adapter->netdev); 361 362 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 363 netif_device_attach(netdev); 364 qlcnic_napi_enable(adapter); 365 } 366 return 0; 367 } 368 369 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 370 struct net_device *netdev, 371 const unsigned char *addr, u16 vid) 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 int pci_using_dac) 2263 { 2264 int err; 2265 struct pci_dev *pdev = adapter->pdev; 2266 2267 adapter->rx_csum = 1; 2268 adapter->ahw->mc_enabled = 0; 2269 qlcnic_set_mac_filter_count(adapter); 2270 2271 netdev->netdev_ops = &qlcnic_netdev_ops; 2272 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2273 2274 qlcnic_change_mtu(netdev, netdev->mtu); 2275 2276 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2277 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2278 2279 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2280 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2281 NETIF_F_HW_VLAN_CTAG_RX); 2282 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2283 NETIF_F_IPV6_CSUM); 2284 2285 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2286 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2287 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2288 } 2289 2290 if (pci_using_dac) { 2291 netdev->features |= NETIF_F_HIGHDMA; 2292 netdev->vlan_features |= NETIF_F_HIGHDMA; 2293 } 2294 2295 if (qlcnic_vlan_tx_check(adapter)) 2296 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2297 2298 if (qlcnic_sriov_vf_check(adapter)) 2299 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2300 2301 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2302 netdev->features |= NETIF_F_LRO; 2303 2304 if (qlcnic_encap_tx_offload(adapter)) { 2305 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2306 2307 /* encapsulation Tx offload supported by Adapter */ 2308 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2309 NETIF_F_GSO_UDP_TUNNEL | 2310 NETIF_F_TSO | 2311 NETIF_F_TSO6; 2312 } 2313 2314 if (qlcnic_encap_rx_offload(adapter)) { 2315 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2316 2317 netdev->udp_tunnel_nic_info = &qlcnic_udp_tunnels; 2318 } 2319 2320 netdev->hw_features = netdev->features; 2321 netdev->priv_flags |= IFF_UNICAST_FLT; 2322 netdev->irq = adapter->msix_entries[0].vector; 2323 2324 /* MTU range: 68 - 9600 */ 2325 netdev->min_mtu = P3P_MIN_MTU; 2326 netdev->max_mtu = P3P_MAX_MTU; 2327 2328 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2329 adapter->drv_sds_rings); 2330 if (err) 2331 return err; 2332 2333 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2334 2335 err = register_netdev(netdev); 2336 if (err) { 2337 dev_err(&pdev->dev, "failed to register net device\n"); 2338 return err; 2339 } 2340 2341 return 0; 2342 } 2343 2344 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2345 { 2346 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2347 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2348 *pci_using_dac = 1; 2349 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2350 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2351 *pci_using_dac = 0; 2352 else { 2353 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2354 return -EIO; 2355 } 2356 2357 return 0; 2358 } 2359 2360 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2361 { 2362 int ring; 2363 struct qlcnic_host_tx_ring *tx_ring; 2364 2365 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2366 tx_ring = &adapter->tx_ring[ring]; 2367 if (tx_ring) { 2368 vfree(tx_ring->cmd_buf_arr); 2369 tx_ring->cmd_buf_arr = NULL; 2370 } 2371 } 2372 kfree(adapter->tx_ring); 2373 } 2374 2375 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2376 struct net_device *netdev) 2377 { 2378 int ring, vector, index; 2379 struct qlcnic_host_tx_ring *tx_ring; 2380 struct qlcnic_cmd_buffer *cmd_buf_arr; 2381 2382 tx_ring = kcalloc(adapter->drv_tx_rings, 2383 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2384 if (tx_ring == NULL) 2385 return -ENOMEM; 2386 2387 adapter->tx_ring = tx_ring; 2388 2389 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2390 tx_ring = &adapter->tx_ring[ring]; 2391 tx_ring->num_desc = adapter->num_txd; 2392 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2393 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2394 if (cmd_buf_arr == NULL) { 2395 qlcnic_free_tx_rings(adapter); 2396 return -ENOMEM; 2397 } 2398 tx_ring->cmd_buf_arr = cmd_buf_arr; 2399 spin_lock_init(&tx_ring->tx_clean_lock); 2400 } 2401 2402 if (qlcnic_83xx_check(adapter) || 2403 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2404 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2405 tx_ring = &adapter->tx_ring[ring]; 2406 tx_ring->adapter = adapter; 2407 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2408 index = adapter->drv_sds_rings + ring; 2409 vector = adapter->msix_entries[index].vector; 2410 tx_ring->irq = vector; 2411 } 2412 } 2413 } 2414 2415 return 0; 2416 } 2417 2418 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2419 { 2420 struct qlcnic_hardware_context *ahw = adapter->ahw; 2421 u32 fw_cmd = 0; 2422 2423 if (qlcnic_82xx_check(adapter)) 2424 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2425 else if (qlcnic_83xx_check(adapter)) 2426 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2427 2428 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2429 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2430 } 2431 2432 /* Reset firmware API lock */ 2433 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2434 { 2435 qlcnic_api_lock(adapter); 2436 qlcnic_api_unlock(adapter); 2437 } 2438 2439 2440 static int 2441 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2442 { 2443 struct net_device *netdev = NULL; 2444 struct qlcnic_adapter *adapter = NULL; 2445 struct qlcnic_hardware_context *ahw; 2446 int err, pci_using_dac = -1; 2447 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2448 2449 err = pci_enable_device(pdev); 2450 if (err) 2451 return err; 2452 2453 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2454 err = -ENODEV; 2455 goto err_out_disable_pdev; 2456 } 2457 2458 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2459 if (err) 2460 goto err_out_disable_pdev; 2461 2462 err = pci_request_regions(pdev, qlcnic_driver_name); 2463 if (err) 2464 goto err_out_disable_pdev; 2465 2466 pci_set_master(pdev); 2467 pci_enable_pcie_error_reporting(pdev); 2468 2469 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2470 if (!ahw) { 2471 err = -ENOMEM; 2472 goto err_out_free_res; 2473 } 2474 2475 switch (ent->device) { 2476 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2477 ahw->hw_ops = &qlcnic_hw_ops; 2478 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2479 break; 2480 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2481 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2482 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2483 qlcnic_83xx_register_map(ahw); 2484 break; 2485 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2486 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 2487 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2488 qlcnic_sriov_vf_register_map(ahw); 2489 break; 2490 default: 2491 err = -EINVAL; 2492 goto err_out_free_hw_res; 2493 } 2494 2495 err = qlcnic_setup_pci_map(pdev, ahw); 2496 if (err) 2497 goto err_out_free_hw_res; 2498 2499 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2500 QLCNIC_MAX_TX_RINGS); 2501 if (!netdev) { 2502 err = -ENOMEM; 2503 goto err_out_iounmap; 2504 } 2505 2506 SET_NETDEV_DEV(netdev, &pdev->dev); 2507 2508 adapter = netdev_priv(netdev); 2509 adapter->netdev = netdev; 2510 adapter->pdev = pdev; 2511 adapter->ahw = ahw; 2512 2513 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2514 if (adapter->qlcnic_wq == NULL) { 2515 err = -ENOMEM; 2516 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2517 goto err_out_free_netdev; 2518 } 2519 2520 err = qlcnic_alloc_adapter_resources(adapter); 2521 if (err) 2522 goto err_out_free_wq; 2523 2524 adapter->dev_rst_time = jiffies; 2525 ahw->revision_id = pdev->revision; 2526 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2527 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2528 adapter->fdb_mac_learn = true; 2529 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2530 adapter->drv_mac_learn = true; 2531 2532 rwlock_init(&adapter->ahw->crb_lock); 2533 mutex_init(&adapter->ahw->mem_lock); 2534 2535 INIT_LIST_HEAD(&adapter->mac_list); 2536 2537 qlcnic_register_dcb(adapter); 2538 2539 if (qlcnic_82xx_check(adapter)) { 2540 qlcnic_check_vf(adapter, ent); 2541 adapter->portnum = adapter->ahw->pci_func; 2542 qlcnic_reset_api_lock(adapter); 2543 err = qlcnic_start_firmware(adapter); 2544 if (err) { 2545 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2546 "\t\tIf reboot doesn't help, try flashing the card\n"); 2547 goto err_out_maintenance_mode; 2548 } 2549 2550 /* compute and set default and max tx/sds rings */ 2551 if (adapter->ahw->msix_supported) { 2552 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2553 qlcnic_set_tx_ring_count(adapter, 2554 QLCNIC_SINGLE_RING); 2555 else 2556 qlcnic_set_tx_ring_count(adapter, 2557 QLCNIC_DEF_TX_RINGS); 2558 qlcnic_set_sds_ring_count(adapter, 2559 QLCNIC_DEF_SDS_RINGS); 2560 } else { 2561 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2562 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2563 } 2564 2565 err = qlcnic_setup_idc_param(adapter); 2566 if (err) 2567 goto err_out_free_hw; 2568 2569 adapter->flags |= QLCNIC_NEED_FLR; 2570 2571 } else if (qlcnic_83xx_check(adapter)) { 2572 qlcnic_83xx_check_vf(adapter, ent); 2573 adapter->portnum = adapter->ahw->pci_func; 2574 err = qlcnic_83xx_init(adapter, pci_using_dac); 2575 if (err) { 2576 switch (err) { 2577 case -ENOTRECOVERABLE: 2578 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2579 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2580 goto err_out_free_hw; 2581 case -ENOMEM: 2582 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2583 goto err_out_free_hw; 2584 case -EOPNOTSUPP: 2585 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2586 goto err_out_free_hw; 2587 default: 2588 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2589 goto err_out_maintenance_mode; 2590 } 2591 } 2592 2593 if (qlcnic_sriov_vf_check(adapter)) 2594 return 0; 2595 } else { 2596 dev_err(&pdev->dev, 2597 "%s: failed. Please Reboot\n", __func__); 2598 err = -ENODEV; 2599 goto err_out_free_hw; 2600 } 2601 2602 if (qlcnic_read_mac_addr(adapter)) 2603 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2604 2605 qlcnic_read_phys_port_id(adapter); 2606 2607 if (adapter->portnum == 0) { 2608 qlcnic_get_board_name(adapter, board_name); 2609 2610 pr_info("%s: %s Board Chip rev 0x%x\n", 2611 module_name(THIS_MODULE), 2612 board_name, adapter->ahw->revision_id); 2613 } 2614 2615 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2616 !!qlcnic_use_msi) 2617 dev_warn(&pdev->dev, 2618 "Device does not support MSI interrupts\n"); 2619 2620 if (qlcnic_82xx_check(adapter)) { 2621 qlcnic_dcb_enable(adapter->dcb); 2622 qlcnic_dcb_get_info(adapter->dcb); 2623 err = qlcnic_setup_intr(adapter); 2624 2625 if (err) { 2626 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2627 goto err_out_disable_msi; 2628 } 2629 } 2630 2631 err = qlcnic_get_act_pci_func(adapter); 2632 if (err) 2633 goto err_out_disable_mbx_intr; 2634 2635 if (adapter->portnum == 0) 2636 qlcnic_set_drv_version(adapter); 2637 2638 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2639 if (err) 2640 goto err_out_disable_mbx_intr; 2641 2642 pci_set_drvdata(pdev, adapter); 2643 2644 if (qlcnic_82xx_check(adapter)) 2645 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2646 FW_POLL_DELAY); 2647 2648 switch (adapter->ahw->port_type) { 2649 case QLCNIC_GBE: 2650 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2651 adapter->netdev->name); 2652 break; 2653 case QLCNIC_XGBE: 2654 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2655 adapter->netdev->name); 2656 break; 2657 } 2658 2659 if (adapter->drv_mac_learn) 2660 qlcnic_alloc_lb_filters_mem(adapter); 2661 2662 qlcnic_add_sysfs(adapter); 2663 qlcnic_register_hwmon_dev(adapter); 2664 return 0; 2665 2666 err_out_disable_mbx_intr: 2667 if (qlcnic_83xx_check(adapter)) 2668 qlcnic_83xx_free_mbx_intr(adapter); 2669 2670 err_out_disable_msi: 2671 qlcnic_teardown_intr(adapter); 2672 qlcnic_cancel_idc_work(adapter); 2673 qlcnic_clr_all_drv_state(adapter, 0); 2674 2675 err_out_free_hw: 2676 qlcnic_free_adapter_resources(adapter); 2677 2678 err_out_free_wq: 2679 destroy_workqueue(adapter->qlcnic_wq); 2680 2681 err_out_free_netdev: 2682 free_netdev(netdev); 2683 2684 err_out_iounmap: 2685 qlcnic_cleanup_pci_map(ahw); 2686 2687 err_out_free_hw_res: 2688 kfree(ahw); 2689 2690 err_out_free_res: 2691 pci_release_regions(pdev); 2692 2693 err_out_disable_pdev: 2694 pci_disable_device(pdev); 2695 return err; 2696 2697 err_out_maintenance_mode: 2698 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2699 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2700 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2701 ahw->port_type = QLCNIC_XGBE; 2702 2703 if (qlcnic_83xx_check(adapter)) 2704 adapter->tgt_status_reg = NULL; 2705 else 2706 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2707 2708 err = register_netdev(netdev); 2709 2710 if (err) { 2711 dev_err(&pdev->dev, "Failed to register net device\n"); 2712 qlcnic_clr_all_drv_state(adapter, 0); 2713 goto err_out_free_hw; 2714 } 2715 2716 pci_set_drvdata(pdev, adapter); 2717 qlcnic_add_sysfs(adapter); 2718 2719 return 0; 2720 } 2721 2722 static void qlcnic_remove(struct pci_dev *pdev) 2723 { 2724 struct qlcnic_adapter *adapter; 2725 struct net_device *netdev; 2726 struct qlcnic_hardware_context *ahw; 2727 2728 adapter = pci_get_drvdata(pdev); 2729 if (adapter == NULL) 2730 return; 2731 2732 netdev = adapter->netdev; 2733 2734 qlcnic_cancel_idc_work(adapter); 2735 qlcnic_sriov_pf_disable(adapter); 2736 ahw = adapter->ahw; 2737 2738 unregister_netdev(netdev); 2739 qlcnic_sriov_cleanup(adapter); 2740 2741 if (qlcnic_83xx_check(adapter)) { 2742 qlcnic_83xx_initialize_nic(adapter, 0); 2743 cancel_delayed_work_sync(&adapter->idc_aen_work); 2744 qlcnic_83xx_free_mbx_intr(adapter); 2745 qlcnic_83xx_detach_mailbox_work(adapter); 2746 qlcnic_83xx_free_mailbox(ahw->mailbox); 2747 kfree(ahw->fw_info); 2748 } 2749 2750 qlcnic_dcb_free(adapter->dcb); 2751 qlcnic_detach(adapter); 2752 kfree(adapter->npars); 2753 kfree(adapter->eswitch); 2754 2755 if (qlcnic_82xx_check(adapter)) 2756 qlcnic_clr_all_drv_state(adapter, 0); 2757 2758 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2759 2760 qlcnic_free_lb_filters_mem(adapter); 2761 2762 qlcnic_teardown_intr(adapter); 2763 2764 qlcnic_remove_sysfs(adapter); 2765 2766 qlcnic_unregister_hwmon_dev(adapter); 2767 2768 qlcnic_cleanup_pci_map(adapter->ahw); 2769 2770 qlcnic_release_firmware(adapter); 2771 2772 pci_disable_pcie_error_reporting(pdev); 2773 pci_release_regions(pdev); 2774 pci_disable_device(pdev); 2775 2776 if (adapter->qlcnic_wq) { 2777 destroy_workqueue(adapter->qlcnic_wq); 2778 adapter->qlcnic_wq = NULL; 2779 } 2780 2781 qlcnic_free_adapter_resources(adapter); 2782 kfree(ahw); 2783 free_netdev(netdev); 2784 } 2785 2786 static void qlcnic_shutdown(struct pci_dev *pdev) 2787 { 2788 if (__qlcnic_shutdown(pdev)) 2789 return; 2790 2791 pci_disable_device(pdev); 2792 } 2793 2794 static int __maybe_unused qlcnic_suspend(struct device *dev_d) 2795 { 2796 return __qlcnic_shutdown(to_pci_dev(dev_d)); 2797 } 2798 2799 static int __maybe_unused qlcnic_resume(struct device *dev_d) 2800 { 2801 struct qlcnic_adapter *adapter = dev_get_drvdata(dev_d); 2802 2803 return __qlcnic_resume(adapter); 2804 } 2805 2806 static int qlcnic_open(struct net_device *netdev) 2807 { 2808 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2809 int err; 2810 2811 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2812 netdev_err(netdev, "%s: Device is in non-operational state\n", 2813 __func__); 2814 2815 return -EIO; 2816 } 2817 2818 netif_carrier_off(netdev); 2819 2820 err = qlcnic_attach(adapter); 2821 if (err) 2822 return err; 2823 2824 err = __qlcnic_up(adapter, netdev); 2825 if (err) 2826 qlcnic_detach(adapter); 2827 2828 return err; 2829 } 2830 2831 /* 2832 * qlcnic_close - Disables a network interface entry point 2833 */ 2834 static int qlcnic_close(struct net_device *netdev) 2835 { 2836 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2837 2838 __qlcnic_down(adapter, netdev); 2839 2840 return 0; 2841 } 2842 2843 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2844 2845 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2846 { 2847 void *head; 2848 int i; 2849 struct net_device *netdev = adapter->netdev; 2850 u32 filter_size = 0; 2851 u16 act_pci_func = 0; 2852 2853 if (adapter->fhash.fmax && adapter->fhash.fhead) 2854 return; 2855 2856 act_pci_func = adapter->ahw->total_nic_func; 2857 spin_lock_init(&adapter->mac_learn_lock); 2858 spin_lock_init(&adapter->rx_mac_learn_lock); 2859 2860 if (qlcnic_sriov_vf_check(adapter)) { 2861 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2862 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2863 } else if (qlcnic_82xx_check(adapter)) { 2864 filter_size = QLCNIC_LB_MAX_FILTERS; 2865 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2866 } else { 2867 filter_size = QLC_83XX_LB_MAX_FILTERS; 2868 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2869 } 2870 2871 head = kcalloc(adapter->fhash.fbucket_size, 2872 sizeof(struct hlist_head), GFP_ATOMIC); 2873 2874 if (!head) 2875 return; 2876 2877 adapter->fhash.fmax = (filter_size / act_pci_func); 2878 adapter->fhash.fhead = head; 2879 2880 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2881 act_pci_func, adapter->fhash.fmax); 2882 2883 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2884 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2885 2886 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2887 2888 head = kcalloc(adapter->rx_fhash.fbucket_size, 2889 sizeof(struct hlist_head), GFP_ATOMIC); 2890 2891 if (!head) 2892 return; 2893 2894 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2895 adapter->rx_fhash.fhead = head; 2896 2897 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2898 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2899 } 2900 2901 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2902 { 2903 if (adapter->fhash.fmax) 2904 kfree(adapter->fhash.fhead); 2905 2906 adapter->fhash.fhead = NULL; 2907 adapter->fhash.fmax = 0; 2908 2909 if (adapter->rx_fhash.fmax) 2910 kfree(adapter->rx_fhash.fhead); 2911 2912 adapter->rx_fhash.fmax = 0; 2913 adapter->rx_fhash.fhead = NULL; 2914 } 2915 2916 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2917 { 2918 struct net_device *netdev = adapter->netdev; 2919 u32 temp_state, temp_val, temp = 0; 2920 int rv = 0; 2921 2922 if (qlcnic_83xx_check(adapter)) 2923 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2924 2925 if (qlcnic_82xx_check(adapter)) 2926 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2927 2928 temp_state = qlcnic_get_temp_state(temp); 2929 temp_val = qlcnic_get_temp_val(temp); 2930 2931 if (temp_state == QLCNIC_TEMP_PANIC) { 2932 dev_err(&netdev->dev, 2933 "Device temperature %d degrees C exceeds" 2934 " maximum allowed. Hardware has been shut down.\n", 2935 temp_val); 2936 rv = 1; 2937 } else if (temp_state == QLCNIC_TEMP_WARN) { 2938 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2939 dev_err(&netdev->dev, 2940 "Device temperature %d degrees C " 2941 "exceeds operating range." 2942 " Immediate action needed.\n", 2943 temp_val); 2944 } 2945 } else { 2946 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2947 dev_info(&netdev->dev, 2948 "Device temperature is now %d degrees C" 2949 " in normal range.\n", temp_val); 2950 } 2951 } 2952 adapter->ahw->temp = temp_state; 2953 return rv; 2954 } 2955 2956 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2957 { 2958 int i; 2959 2960 for (i = 0; i < tx_ring->num_desc; i++) { 2961 pr_info("TX Desc: %d\n", i); 2962 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 2963 &tx_ring->desc_head[i], 2964 sizeof(struct cmd_desc_type0), true); 2965 } 2966 } 2967 2968 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 2969 { 2970 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2971 struct net_device *netdev = adapter->netdev; 2972 struct qlcnic_host_rds_ring *rds_ring; 2973 struct qlcnic_host_sds_ring *sds_ring; 2974 struct qlcnic_host_tx_ring *tx_ring; 2975 int ring; 2976 2977 if (!netdev || !netif_running(netdev)) 2978 return; 2979 2980 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2981 rds_ring = &recv_ctx->rds_rings[ring]; 2982 if (!rds_ring) 2983 continue; 2984 netdev_info(netdev, 2985 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 2986 ring, readl(rds_ring->crb_rcv_producer), 2987 rds_ring->producer, rds_ring->num_desc); 2988 } 2989 2990 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2991 sds_ring = &(recv_ctx->sds_rings[ring]); 2992 if (!sds_ring) 2993 continue; 2994 netdev_info(netdev, 2995 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 2996 ring, readl(sds_ring->crb_sts_consumer), 2997 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 2998 sds_ring->num_desc); 2999 } 3000 3001 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3002 tx_ring = &adapter->tx_ring[ring]; 3003 if (!tx_ring) 3004 continue; 3005 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3006 ring, tx_ring->ctx_id); 3007 netdev_info(netdev, 3008 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3009 tx_ring->tx_stats.xmit_finished, 3010 tx_ring->tx_stats.xmit_called, 3011 tx_ring->tx_stats.xmit_on, 3012 tx_ring->tx_stats.xmit_off); 3013 3014 if (tx_ring->crb_intr_mask) 3015 netdev_info(netdev, "crb_intr_mask=%d\n", 3016 readl(tx_ring->crb_intr_mask)); 3017 3018 netdev_info(netdev, 3019 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3020 readl(tx_ring->crb_cmd_producer), 3021 tx_ring->producer, tx_ring->sw_consumer, 3022 le32_to_cpu(*(tx_ring->hw_consumer))); 3023 3024 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3025 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3026 3027 if (netif_msg_tx_err(adapter->ahw)) 3028 dump_tx_ring_desc(tx_ring); 3029 } 3030 3031 } 3032 3033 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue) 3034 { 3035 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3036 3037 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3038 return; 3039 3040 qlcnic_dump_rings(adapter); 3041 3042 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3043 netif_msg_tx_err(adapter->ahw)) { 3044 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3045 if (qlcnic_82xx_check(adapter)) 3046 adapter->need_fw_reset = 1; 3047 else if (qlcnic_83xx_check(adapter)) 3048 qlcnic_83xx_idc_request_reset(adapter, 3049 QLCNIC_FORCE_FW_DUMP_KEY); 3050 } else { 3051 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3052 adapter->ahw->reset_context = 1; 3053 } 3054 } 3055 3056 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3057 { 3058 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3059 struct net_device_stats *stats = &netdev->stats; 3060 3061 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3062 qlcnic_update_stats(adapter); 3063 3064 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3065 stats->tx_packets = adapter->stats.xmitfinished; 3066 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3067 stats->tx_bytes = adapter->stats.txbytes; 3068 stats->rx_dropped = adapter->stats.rxdropped; 3069 stats->tx_dropped = adapter->stats.txdropped; 3070 3071 return stats; 3072 } 3073 3074 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3075 { 3076 u32 status; 3077 3078 status = readl(adapter->isr_int_vec); 3079 3080 if (!(status & adapter->ahw->int_vec_bit)) 3081 return IRQ_NONE; 3082 3083 /* check interrupt state machine, to be sure */ 3084 status = readl(adapter->crb_int_state_reg); 3085 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3086 return IRQ_NONE; 3087 3088 writel(0xffffffff, adapter->tgt_status_reg); 3089 /* read twice to ensure write is flushed */ 3090 readl(adapter->isr_int_vec); 3091 readl(adapter->isr_int_vec); 3092 3093 return IRQ_HANDLED; 3094 } 3095 3096 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3097 { 3098 struct qlcnic_host_sds_ring *sds_ring = data; 3099 struct qlcnic_adapter *adapter = sds_ring->adapter; 3100 3101 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3102 goto done; 3103 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3104 writel(0xffffffff, adapter->tgt_status_reg); 3105 goto done; 3106 } 3107 3108 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3109 return IRQ_NONE; 3110 3111 done: 3112 adapter->ahw->diag_cnt++; 3113 qlcnic_enable_sds_intr(adapter, sds_ring); 3114 return IRQ_HANDLED; 3115 } 3116 3117 static irqreturn_t qlcnic_intr(int irq, void *data) 3118 { 3119 struct qlcnic_host_sds_ring *sds_ring = data; 3120 struct qlcnic_adapter *adapter = sds_ring->adapter; 3121 3122 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3123 return IRQ_NONE; 3124 3125 napi_schedule(&sds_ring->napi); 3126 3127 return IRQ_HANDLED; 3128 } 3129 3130 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3131 { 3132 struct qlcnic_host_sds_ring *sds_ring = data; 3133 struct qlcnic_adapter *adapter = sds_ring->adapter; 3134 3135 /* clear interrupt */ 3136 writel(0xffffffff, adapter->tgt_status_reg); 3137 3138 napi_schedule(&sds_ring->napi); 3139 return IRQ_HANDLED; 3140 } 3141 3142 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3143 { 3144 struct qlcnic_host_sds_ring *sds_ring = data; 3145 3146 napi_schedule(&sds_ring->napi); 3147 return IRQ_HANDLED; 3148 } 3149 3150 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3151 { 3152 struct qlcnic_host_tx_ring *tx_ring = data; 3153 3154 napi_schedule(&tx_ring->napi); 3155 return IRQ_HANDLED; 3156 } 3157 3158 static void 3159 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3160 { 3161 u32 val; 3162 3163 val = adapter->portnum & 0xf; 3164 val |= encoding << 7; 3165 val |= (jiffies - adapter->dev_rst_time) << 8; 3166 3167 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3168 adapter->dev_rst_time = jiffies; 3169 } 3170 3171 static int 3172 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3173 { 3174 u32 val; 3175 3176 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3177 state != QLCNIC_DEV_NEED_QUISCENT); 3178 3179 if (qlcnic_api_lock(adapter)) 3180 return -EIO; 3181 3182 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3183 3184 if (state == QLCNIC_DEV_NEED_RESET) 3185 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3186 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3187 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3188 3189 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3190 3191 qlcnic_api_unlock(adapter); 3192 3193 return 0; 3194 } 3195 3196 static int 3197 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3198 { 3199 u32 val; 3200 3201 if (qlcnic_api_lock(adapter)) 3202 return -EBUSY; 3203 3204 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3205 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3206 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3207 3208 qlcnic_api_unlock(adapter); 3209 3210 return 0; 3211 } 3212 3213 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3214 { 3215 u32 val; 3216 3217 if (qlcnic_api_lock(adapter)) 3218 goto err; 3219 3220 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3221 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3222 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3223 3224 if (failed) { 3225 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3226 QLCNIC_DEV_FAILED); 3227 dev_info(&adapter->pdev->dev, 3228 "Device state set to Failed. Please Reboot\n"); 3229 } else if (!(val & 0x11111111)) 3230 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3231 QLCNIC_DEV_COLD); 3232 3233 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3234 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3235 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3236 3237 qlcnic_api_unlock(adapter); 3238 err: 3239 adapter->fw_fail_cnt = 0; 3240 adapter->flags &= ~QLCNIC_FW_HANG; 3241 clear_bit(__QLCNIC_START_FW, &adapter->state); 3242 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3243 } 3244 3245 /* Grab api lock, before checking state */ 3246 static int 3247 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3248 { 3249 int act, state, active_mask; 3250 struct qlcnic_hardware_context *ahw = adapter->ahw; 3251 3252 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3253 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3254 3255 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3256 active_mask = (~(1 << (ahw->pci_func * 4))); 3257 act = act & active_mask; 3258 } 3259 3260 if (((state & 0x11111111) == (act & 0x11111111)) || 3261 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3262 return 0; 3263 else 3264 return 1; 3265 } 3266 3267 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3268 { 3269 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3270 3271 if (val != QLCNIC_DRV_IDC_VER) { 3272 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3273 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3274 } 3275 3276 return 0; 3277 } 3278 3279 static int 3280 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3281 { 3282 u32 val, prev_state; 3283 u8 dev_init_timeo = adapter->dev_init_timeo; 3284 u8 portnum = adapter->portnum; 3285 u8 ret; 3286 3287 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3288 return 1; 3289 3290 if (qlcnic_api_lock(adapter)) 3291 return -1; 3292 3293 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3294 if (!(val & (1 << (portnum * 4)))) { 3295 QLC_DEV_SET_REF_CNT(val, portnum); 3296 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3297 } 3298 3299 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3300 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3301 3302 switch (prev_state) { 3303 case QLCNIC_DEV_COLD: 3304 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3305 QLCNIC_DEV_INITIALIZING); 3306 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3307 QLCNIC_DRV_IDC_VER); 3308 qlcnic_idc_debug_info(adapter, 0); 3309 qlcnic_api_unlock(adapter); 3310 return 1; 3311 3312 case QLCNIC_DEV_READY: 3313 ret = qlcnic_check_idc_ver(adapter); 3314 qlcnic_api_unlock(adapter); 3315 return ret; 3316 3317 case QLCNIC_DEV_NEED_RESET: 3318 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3319 QLC_DEV_SET_RST_RDY(val, portnum); 3320 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3321 break; 3322 3323 case QLCNIC_DEV_NEED_QUISCENT: 3324 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3325 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3326 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3327 break; 3328 3329 case QLCNIC_DEV_FAILED: 3330 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3331 qlcnic_api_unlock(adapter); 3332 return -1; 3333 3334 case QLCNIC_DEV_INITIALIZING: 3335 case QLCNIC_DEV_QUISCENT: 3336 break; 3337 } 3338 3339 qlcnic_api_unlock(adapter); 3340 3341 do { 3342 msleep(1000); 3343 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3344 3345 if (prev_state == QLCNIC_DEV_QUISCENT) 3346 continue; 3347 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3348 3349 if (!dev_init_timeo) { 3350 dev_err(&adapter->pdev->dev, 3351 "Waiting for device to initialize timeout\n"); 3352 return -1; 3353 } 3354 3355 if (qlcnic_api_lock(adapter)) 3356 return -1; 3357 3358 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3359 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3360 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3361 3362 ret = qlcnic_check_idc_ver(adapter); 3363 qlcnic_api_unlock(adapter); 3364 3365 return ret; 3366 } 3367 3368 static void 3369 qlcnic_fwinit_work(struct work_struct *work) 3370 { 3371 struct qlcnic_adapter *adapter = container_of(work, 3372 struct qlcnic_adapter, fw_work.work); 3373 u32 dev_state = 0xf; 3374 u32 val; 3375 3376 if (qlcnic_api_lock(adapter)) 3377 goto err_ret; 3378 3379 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3380 if (dev_state == QLCNIC_DEV_QUISCENT || 3381 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3382 qlcnic_api_unlock(adapter); 3383 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3384 FW_POLL_DELAY * 2); 3385 return; 3386 } 3387 3388 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3389 qlcnic_api_unlock(adapter); 3390 goto wait_npar; 3391 } 3392 3393 if (dev_state == QLCNIC_DEV_INITIALIZING || 3394 dev_state == QLCNIC_DEV_READY) { 3395 dev_info(&adapter->pdev->dev, "Detected state change from " 3396 "DEV_NEED_RESET, skipping ack check\n"); 3397 goto skip_ack_check; 3398 } 3399 3400 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3401 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3402 adapter->reset_ack_timeo); 3403 goto skip_ack_check; 3404 } 3405 3406 if (!qlcnic_check_drv_state(adapter)) { 3407 skip_ack_check: 3408 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3409 3410 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3411 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3412 QLCNIC_DEV_INITIALIZING); 3413 set_bit(__QLCNIC_START_FW, &adapter->state); 3414 QLCDB(adapter, DRV, "Restarting fw\n"); 3415 qlcnic_idc_debug_info(adapter, 0); 3416 val = QLC_SHARED_REG_RD32(adapter, 3417 QLCNIC_CRB_DRV_STATE); 3418 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3419 QLC_SHARED_REG_WR32(adapter, 3420 QLCNIC_CRB_DRV_STATE, val); 3421 } 3422 3423 qlcnic_api_unlock(adapter); 3424 3425 rtnl_lock(); 3426 if (qlcnic_check_fw_dump_state(adapter) && 3427 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3428 QLCDB(adapter, DRV, "Take FW dump\n"); 3429 qlcnic_dump_fw(adapter); 3430 adapter->flags |= QLCNIC_FW_HANG; 3431 } 3432 rtnl_unlock(); 3433 3434 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3435 if (!adapter->nic_ops->start_firmware(adapter)) { 3436 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3437 adapter->fw_wait_cnt = 0; 3438 return; 3439 } 3440 goto err_ret; 3441 } 3442 3443 qlcnic_api_unlock(adapter); 3444 3445 wait_npar: 3446 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3447 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3448 3449 switch (dev_state) { 3450 case QLCNIC_DEV_READY: 3451 if (!qlcnic_start_firmware(adapter)) { 3452 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3453 adapter->fw_wait_cnt = 0; 3454 return; 3455 } 3456 case QLCNIC_DEV_FAILED: 3457 break; 3458 default: 3459 qlcnic_schedule_work(adapter, 3460 qlcnic_fwinit_work, FW_POLL_DELAY); 3461 return; 3462 } 3463 3464 err_ret: 3465 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3466 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3467 netif_device_attach(adapter->netdev); 3468 qlcnic_clr_all_drv_state(adapter, 0); 3469 } 3470 3471 static void 3472 qlcnic_detach_work(struct work_struct *work) 3473 { 3474 struct qlcnic_adapter *adapter = container_of(work, 3475 struct qlcnic_adapter, fw_work.work); 3476 struct net_device *netdev = adapter->netdev; 3477 u32 status; 3478 3479 netif_device_detach(netdev); 3480 3481 /* Dont grab rtnl lock during Quiscent mode */ 3482 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3483 if (netif_running(netdev)) 3484 __qlcnic_down(adapter, netdev); 3485 } else 3486 qlcnic_down(adapter, netdev); 3487 3488 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3489 3490 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3491 dev_err(&adapter->pdev->dev, 3492 "Detaching the device: peg halt status1=0x%x\n", 3493 status); 3494 3495 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3496 dev_err(&adapter->pdev->dev, 3497 "On board active cooling fan failed. " 3498 "Device has been halted.\n"); 3499 dev_err(&adapter->pdev->dev, 3500 "Replace the adapter.\n"); 3501 } 3502 3503 goto err_ret; 3504 } 3505 3506 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3507 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3508 adapter->ahw->temp); 3509 goto err_ret; 3510 } 3511 3512 /* Dont ack if this instance is the reset owner */ 3513 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3514 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3515 dev_err(&adapter->pdev->dev, 3516 "Failed to set driver state," 3517 "detaching the device.\n"); 3518 goto err_ret; 3519 } 3520 } 3521 3522 adapter->fw_wait_cnt = 0; 3523 3524 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3525 3526 return; 3527 3528 err_ret: 3529 netif_device_attach(netdev); 3530 qlcnic_clr_all_drv_state(adapter, 1); 3531 } 3532 3533 /*Transit NPAR state to NON Operational */ 3534 static void 3535 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3536 { 3537 u32 state; 3538 3539 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3540 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3541 return; 3542 3543 if (qlcnic_api_lock(adapter)) 3544 return; 3545 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3546 QLCNIC_DEV_NPAR_NON_OPER); 3547 qlcnic_api_unlock(adapter); 3548 } 3549 3550 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3551 u32 key) 3552 { 3553 u32 state, xg_val = 0, gb_val = 0; 3554 3555 qlcnic_xg_set_xg0_mask(xg_val); 3556 qlcnic_xg_set_xg1_mask(xg_val); 3557 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3558 qlcnic_gb_set_gb0_mask(gb_val); 3559 qlcnic_gb_set_gb1_mask(gb_val); 3560 qlcnic_gb_set_gb2_mask(gb_val); 3561 qlcnic_gb_set_gb3_mask(gb_val); 3562 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3563 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3564 " on all ports\n"); 3565 adapter->need_fw_reset = 1; 3566 3567 if (qlcnic_api_lock(adapter)) 3568 return; 3569 3570 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3571 3572 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3573 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3574 __func__); 3575 qlcnic_api_unlock(adapter); 3576 3577 return; 3578 } 3579 3580 if (state == QLCNIC_DEV_READY) { 3581 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3582 QLCNIC_DEV_NEED_RESET); 3583 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3584 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3585 qlcnic_idc_debug_info(adapter, 0); 3586 } 3587 3588 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3589 QLCNIC_DEV_NPAR_NON_OPER); 3590 qlcnic_api_unlock(adapter); 3591 } 3592 3593 /* Transit to NPAR READY state from NPAR NOT READY state */ 3594 static void 3595 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3596 { 3597 if (qlcnic_api_lock(adapter)) 3598 return; 3599 3600 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3601 QLCNIC_DEV_NPAR_OPER); 3602 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3603 3604 qlcnic_api_unlock(adapter); 3605 } 3606 3607 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3608 work_func_t func, int delay) 3609 { 3610 if (test_bit(__QLCNIC_AER, &adapter->state)) 3611 return; 3612 3613 INIT_DELAYED_WORK(&adapter->fw_work, func); 3614 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3615 round_jiffies_relative(delay)); 3616 } 3617 3618 static void 3619 qlcnic_attach_work(struct work_struct *work) 3620 { 3621 struct qlcnic_adapter *adapter = container_of(work, 3622 struct qlcnic_adapter, fw_work.work); 3623 struct net_device *netdev = adapter->netdev; 3624 u32 npar_state; 3625 3626 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3627 npar_state = QLC_SHARED_REG_RD32(adapter, 3628 QLCNIC_CRB_DEV_NPAR_STATE); 3629 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3630 qlcnic_clr_all_drv_state(adapter, 0); 3631 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3632 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3633 FW_POLL_DELAY); 3634 else 3635 goto attach; 3636 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3637 return; 3638 } 3639 attach: 3640 qlcnic_dcb_get_info(adapter->dcb); 3641 3642 if (netif_running(netdev)) { 3643 if (qlcnic_up(adapter, netdev)) 3644 goto done; 3645 3646 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3647 } 3648 3649 done: 3650 netif_device_attach(netdev); 3651 adapter->fw_fail_cnt = 0; 3652 adapter->flags &= ~QLCNIC_FW_HANG; 3653 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3654 if (adapter->portnum == 0) 3655 qlcnic_set_drv_version(adapter); 3656 3657 if (!qlcnic_clr_drv_state(adapter)) 3658 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3659 FW_POLL_DELAY); 3660 } 3661 3662 static int 3663 qlcnic_check_health(struct qlcnic_adapter *adapter) 3664 { 3665 struct qlcnic_hardware_context *ahw = adapter->ahw; 3666 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3667 u32 state = 0, heartbeat; 3668 u32 peg_status; 3669 int err = 0; 3670 3671 if (qlcnic_check_temp(adapter)) 3672 goto detach; 3673 3674 if (adapter->need_fw_reset) 3675 qlcnic_dev_request_reset(adapter, 0); 3676 3677 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3678 if (state == QLCNIC_DEV_NEED_RESET) { 3679 qlcnic_set_npar_non_operational(adapter); 3680 adapter->need_fw_reset = 1; 3681 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3682 goto detach; 3683 3684 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3685 if (heartbeat != adapter->heartbeat) { 3686 adapter->heartbeat = heartbeat; 3687 adapter->fw_fail_cnt = 0; 3688 if (adapter->need_fw_reset) 3689 goto detach; 3690 3691 if (ahw->reset_context && qlcnic_auto_fw_reset) 3692 qlcnic_reset_hw_context(adapter); 3693 3694 return 0; 3695 } 3696 3697 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3698 return 0; 3699 3700 adapter->flags |= QLCNIC_FW_HANG; 3701 3702 qlcnic_dev_request_reset(adapter, 0); 3703 3704 if (qlcnic_auto_fw_reset) 3705 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3706 3707 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3708 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3709 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3710 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3711 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3712 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3713 "PEG_NET_4_PC: 0x%x\n", 3714 peg_status, 3715 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3716 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3717 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3718 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3719 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3720 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3721 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3722 dev_err(&adapter->pdev->dev, 3723 "Firmware aborted with error code 0x00006700. " 3724 "Device is being reset.\n"); 3725 detach: 3726 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3727 QLCNIC_DEV_NEED_RESET; 3728 3729 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3730 &adapter->state)) { 3731 3732 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3733 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3734 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3735 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3736 qlcnic_dump_fw(adapter); 3737 } 3738 3739 return 1; 3740 } 3741 3742 void qlcnic_fw_poll_work(struct work_struct *work) 3743 { 3744 struct qlcnic_adapter *adapter = container_of(work, 3745 struct qlcnic_adapter, fw_work.work); 3746 3747 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3748 goto reschedule; 3749 3750 3751 if (qlcnic_check_health(adapter)) 3752 return; 3753 3754 if (adapter->fhash.fnum) 3755 qlcnic_prune_lb_filters(adapter); 3756 3757 reschedule: 3758 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3759 } 3760 3761 static int qlcnic_is_first_func(struct pci_dev *pdev) 3762 { 3763 struct pci_dev *oth_pdev; 3764 int val = pdev->devfn; 3765 3766 while (val-- > 0) { 3767 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3768 (pdev->bus), pdev->bus->number, 3769 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3770 if (!oth_pdev) 3771 continue; 3772 3773 if (oth_pdev->current_state != PCI_D3cold) { 3774 pci_dev_put(oth_pdev); 3775 return 0; 3776 } 3777 pci_dev_put(oth_pdev); 3778 } 3779 return 1; 3780 } 3781 3782 static int qlcnic_attach_func(struct pci_dev *pdev) 3783 { 3784 int err, first_func; 3785 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3786 struct net_device *netdev = adapter->netdev; 3787 3788 pdev->error_state = pci_channel_io_normal; 3789 3790 err = pci_enable_device(pdev); 3791 if (err) 3792 return err; 3793 3794 pci_set_master(pdev); 3795 pci_restore_state(pdev); 3796 3797 first_func = qlcnic_is_first_func(pdev); 3798 3799 if (qlcnic_api_lock(adapter)) 3800 return -EINVAL; 3801 3802 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3803 adapter->need_fw_reset = 1; 3804 set_bit(__QLCNIC_START_FW, &adapter->state); 3805 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3806 QLCNIC_DEV_INITIALIZING); 3807 QLCDB(adapter, DRV, "Restarting fw\n"); 3808 } 3809 qlcnic_api_unlock(adapter); 3810 3811 err = qlcnic_start_firmware(adapter); 3812 if (err) 3813 return err; 3814 3815 qlcnic_clr_drv_state(adapter); 3816 kfree(adapter->msix_entries); 3817 adapter->msix_entries = NULL; 3818 err = qlcnic_setup_intr(adapter); 3819 3820 if (err) { 3821 kfree(adapter->msix_entries); 3822 netdev_err(netdev, "failed to setup interrupt\n"); 3823 return err; 3824 } 3825 3826 if (netif_running(netdev)) { 3827 err = qlcnic_attach(adapter); 3828 if (err) { 3829 qlcnic_clr_all_drv_state(adapter, 1); 3830 clear_bit(__QLCNIC_AER, &adapter->state); 3831 netif_device_attach(netdev); 3832 return err; 3833 } 3834 3835 err = qlcnic_up(adapter, netdev); 3836 if (err) 3837 goto done; 3838 3839 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3840 } 3841 done: 3842 netif_device_attach(netdev); 3843 return err; 3844 } 3845 3846 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3847 pci_channel_state_t state) 3848 { 3849 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3850 struct net_device *netdev = adapter->netdev; 3851 3852 if (state == pci_channel_io_perm_failure) 3853 return PCI_ERS_RESULT_DISCONNECT; 3854 3855 if (state == pci_channel_io_normal) 3856 return PCI_ERS_RESULT_RECOVERED; 3857 3858 set_bit(__QLCNIC_AER, &adapter->state); 3859 netif_device_detach(netdev); 3860 3861 cancel_delayed_work_sync(&adapter->fw_work); 3862 3863 if (netif_running(netdev)) 3864 qlcnic_down(adapter, netdev); 3865 3866 qlcnic_detach(adapter); 3867 qlcnic_teardown_intr(adapter); 3868 3869 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3870 3871 pci_save_state(pdev); 3872 pci_disable_device(pdev); 3873 3874 return PCI_ERS_RESULT_NEED_RESET; 3875 } 3876 3877 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3878 { 3879 pci_ers_result_t res; 3880 3881 rtnl_lock(); 3882 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3883 PCI_ERS_RESULT_RECOVERED; 3884 rtnl_unlock(); 3885 3886 return res; 3887 } 3888 3889 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3890 { 3891 u32 state; 3892 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3893 3894 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3895 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3896 &adapter->state)) 3897 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3898 FW_POLL_DELAY); 3899 } 3900 3901 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3902 pci_channel_state_t state) 3903 { 3904 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3905 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3906 3907 if (hw_ops->io_error_detected) { 3908 return hw_ops->io_error_detected(pdev, state); 3909 } else { 3910 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3911 return PCI_ERS_RESULT_DISCONNECT; 3912 } 3913 } 3914 3915 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3916 { 3917 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3918 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3919 3920 if (hw_ops->io_slot_reset) { 3921 return hw_ops->io_slot_reset(pdev); 3922 } else { 3923 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3924 return PCI_ERS_RESULT_DISCONNECT; 3925 } 3926 } 3927 3928 static void qlcnic_io_resume(struct pci_dev *pdev) 3929 { 3930 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3931 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3932 3933 if (hw_ops->io_resume) 3934 hw_ops->io_resume(pdev); 3935 else 3936 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3937 } 3938 3939 3940 static int 3941 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3942 { 3943 int err; 3944 3945 err = qlcnic_can_start_firmware(adapter); 3946 if (err) 3947 return err; 3948 3949 err = qlcnic_check_npar_opertional(adapter); 3950 if (err) 3951 return err; 3952 3953 err = qlcnic_initialize_nic(adapter); 3954 if (err) 3955 return err; 3956 3957 qlcnic_check_options(adapter); 3958 3959 err = qlcnic_set_eswitch_port_config(adapter); 3960 if (err) 3961 return err; 3962 3963 adapter->need_fw_reset = 0; 3964 3965 return err; 3966 } 3967 3968 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 3969 int queue_type) 3970 { 3971 struct net_device *netdev = adapter->netdev; 3972 char buf[8]; 3973 3974 if (queue_type == QLCNIC_RX_QUEUE) 3975 strcpy(buf, "SDS"); 3976 else 3977 strcpy(buf, "Tx"); 3978 3979 if (!is_power_of_2(ring_cnt)) { 3980 netdev_err(netdev, "%s rings value should be a power of 2\n", 3981 buf); 3982 return -EINVAL; 3983 } 3984 3985 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 3986 !qlcnic_check_multi_tx(adapter)) { 3987 netdev_err(netdev, "No Multi Tx queue support\n"); 3988 return -EINVAL; 3989 } 3990 3991 if (ring_cnt > num_online_cpus()) { 3992 netdev_err(netdev, 3993 "%s value[%u] should not be higher than, number of online CPUs\n", 3994 buf, num_online_cpus()); 3995 return -EINVAL; 3996 } 3997 3998 return 0; 3999 } 4000 4001 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4002 { 4003 struct net_device *netdev = adapter->netdev; 4004 u8 tx_rings, rx_rings; 4005 int err; 4006 4007 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4008 return -EBUSY; 4009 4010 tx_rings = adapter->drv_tss_rings; 4011 rx_rings = adapter->drv_rss_rings; 4012 4013 netif_device_detach(netdev); 4014 4015 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4016 if (err) 4017 goto done; 4018 4019 if (netif_running(netdev)) 4020 __qlcnic_down(adapter, netdev); 4021 4022 qlcnic_detach(adapter); 4023 4024 if (qlcnic_83xx_check(adapter)) { 4025 qlcnic_83xx_free_mbx_intr(adapter); 4026 qlcnic_83xx_enable_mbx_poll(adapter); 4027 } 4028 4029 qlcnic_teardown_intr(adapter); 4030 4031 err = qlcnic_setup_intr(adapter); 4032 if (err) { 4033 kfree(adapter->msix_entries); 4034 netdev_err(netdev, "failed to setup interrupt\n"); 4035 return err; 4036 } 4037 4038 /* Check if we need to update real_num_{tx|rx}_queues because 4039 * qlcnic_setup_intr() may change Tx/Rx rings size 4040 */ 4041 if ((tx_rings != adapter->drv_tx_rings) || 4042 (rx_rings != adapter->drv_sds_rings)) { 4043 err = qlcnic_set_real_num_queues(adapter, 4044 adapter->drv_tx_rings, 4045 adapter->drv_sds_rings); 4046 if (err) 4047 goto done; 4048 } 4049 4050 if (qlcnic_83xx_check(adapter)) { 4051 qlcnic_83xx_initialize_nic(adapter, 1); 4052 err = qlcnic_83xx_setup_mbx_intr(adapter); 4053 qlcnic_83xx_disable_mbx_poll(adapter); 4054 if (err) { 4055 dev_err(&adapter->pdev->dev, 4056 "failed to setup mbx interrupt\n"); 4057 goto done; 4058 } 4059 } 4060 4061 if (netif_running(netdev)) { 4062 err = qlcnic_attach(adapter); 4063 if (err) 4064 goto done; 4065 err = __qlcnic_up(adapter, netdev); 4066 if (err) 4067 goto done; 4068 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4069 } 4070 done: 4071 netif_device_attach(netdev); 4072 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4073 return err; 4074 } 4075 4076 #ifdef CONFIG_INET 4077 4078 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4079 4080 static void 4081 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4082 struct net_device *dev, unsigned long event) 4083 { 4084 const struct in_ifaddr *ifa; 4085 struct in_device *indev; 4086 4087 indev = in_dev_get(dev); 4088 if (!indev) 4089 return; 4090 4091 in_dev_for_each_ifa_rtnl(ifa, indev) { 4092 switch (event) { 4093 case NETDEV_UP: 4094 qlcnic_config_ipaddr(adapter, 4095 ifa->ifa_address, QLCNIC_IP_UP); 4096 break; 4097 case NETDEV_DOWN: 4098 qlcnic_config_ipaddr(adapter, 4099 ifa->ifa_address, QLCNIC_IP_DOWN); 4100 break; 4101 default: 4102 break; 4103 } 4104 } 4105 4106 in_dev_put(indev); 4107 } 4108 4109 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4110 { 4111 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4112 struct net_device *dev; 4113 u16 vid; 4114 4115 qlcnic_config_indev_addr(adapter, netdev, event); 4116 4117 rcu_read_lock(); 4118 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4119 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4120 if (!dev) 4121 continue; 4122 qlcnic_config_indev_addr(adapter, dev, event); 4123 } 4124 rcu_read_unlock(); 4125 } 4126 4127 static int qlcnic_netdev_event(struct notifier_block *this, 4128 unsigned long event, void *ptr) 4129 { 4130 struct qlcnic_adapter *adapter; 4131 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4132 4133 recheck: 4134 if (dev == NULL) 4135 goto done; 4136 4137 if (is_vlan_dev(dev)) { 4138 dev = vlan_dev_real_dev(dev); 4139 goto recheck; 4140 } 4141 4142 if (!is_qlcnic_netdev(dev)) 4143 goto done; 4144 4145 adapter = netdev_priv(dev); 4146 4147 if (!adapter) 4148 goto done; 4149 4150 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4151 goto done; 4152 4153 qlcnic_config_indev_addr(adapter, dev, event); 4154 done: 4155 return NOTIFY_DONE; 4156 } 4157 4158 static int 4159 qlcnic_inetaddr_event(struct notifier_block *this, 4160 unsigned long event, void *ptr) 4161 { 4162 struct qlcnic_adapter *adapter; 4163 struct net_device *dev; 4164 4165 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4166 4167 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4168 4169 recheck: 4170 if (dev == NULL) 4171 goto done; 4172 4173 if (is_vlan_dev(dev)) { 4174 dev = vlan_dev_real_dev(dev); 4175 goto recheck; 4176 } 4177 4178 if (!is_qlcnic_netdev(dev)) 4179 goto done; 4180 4181 adapter = netdev_priv(dev); 4182 4183 if (!adapter) 4184 goto done; 4185 4186 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4187 goto done; 4188 4189 switch (event) { 4190 case NETDEV_UP: 4191 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4192 4193 break; 4194 case NETDEV_DOWN: 4195 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4196 4197 break; 4198 default: 4199 break; 4200 } 4201 4202 done: 4203 return NOTIFY_DONE; 4204 } 4205 4206 static struct notifier_block qlcnic_netdev_cb = { 4207 .notifier_call = qlcnic_netdev_event, 4208 }; 4209 4210 static struct notifier_block qlcnic_inetaddr_cb = { 4211 .notifier_call = qlcnic_inetaddr_event, 4212 }; 4213 #else 4214 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4215 { } 4216 #endif 4217 static const struct pci_error_handlers qlcnic_err_handler = { 4218 .error_detected = qlcnic_io_error_detected, 4219 .slot_reset = qlcnic_io_slot_reset, 4220 .resume = qlcnic_io_resume, 4221 }; 4222 4223 static SIMPLE_DEV_PM_OPS(qlcnic_pm_ops, qlcnic_suspend, qlcnic_resume); 4224 4225 static struct pci_driver qlcnic_driver = { 4226 .name = qlcnic_driver_name, 4227 .id_table = qlcnic_pci_tbl, 4228 .probe = qlcnic_probe, 4229 .remove = qlcnic_remove, 4230 .driver.pm = &qlcnic_pm_ops, 4231 .shutdown = qlcnic_shutdown, 4232 .err_handler = &qlcnic_err_handler, 4233 #ifdef CONFIG_QLCNIC_SRIOV 4234 .sriov_configure = qlcnic_pci_sriov_configure, 4235 #endif 4236 4237 }; 4238 4239 static int __init qlcnic_init_module(void) 4240 { 4241 int ret; 4242 4243 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4244 4245 #ifdef CONFIG_INET 4246 register_netdevice_notifier(&qlcnic_netdev_cb); 4247 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4248 #endif 4249 4250 ret = pci_register_driver(&qlcnic_driver); 4251 if (ret) { 4252 #ifdef CONFIG_INET 4253 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4254 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4255 #endif 4256 } 4257 4258 return ret; 4259 } 4260 4261 module_init(qlcnic_init_module); 4262 4263 static void __exit qlcnic_exit_module(void) 4264 { 4265 pci_unregister_driver(&qlcnic_driver); 4266 4267 #ifdef CONFIG_INET 4268 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4269 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4270 #endif 4271 } 4272 4273 module_exit(qlcnic_exit_module); 4274