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