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