1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * QLogic qlcnic NIC Driver 4 * Copyright (c) 2009-2013 QLogic Corporation 5 */ 6 7 #include <linux/vmalloc.h> 8 #include <linux/interrupt.h> 9 #include <linux/swab.h> 10 #include <linux/dma-mapping.h> 11 #include <linux/if_vlan.h> 12 #include <net/ip.h> 13 #include <linux/ipv6.h> 14 #include <linux/inetdevice.h> 15 #include <linux/aer.h> 16 #include <linux/log2.h> 17 #include <linux/pci.h> 18 #include <net/vxlan.h> 19 20 #include "qlcnic.h" 21 #include "qlcnic_sriov.h" 22 #include "qlcnic_hw.h" 23 24 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 25 MODULE_LICENSE("GPL"); 26 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 27 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 28 29 char qlcnic_driver_name[] = "qlcnic"; 30 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 31 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 32 33 static int qlcnic_mac_learn; 34 module_param(qlcnic_mac_learn, int, 0444); 35 MODULE_PARM_DESC(qlcnic_mac_learn, 36 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 37 38 int qlcnic_use_msi = 1; 39 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 40 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 41 42 int qlcnic_use_msi_x = 1; 43 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 44 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 45 46 int qlcnic_auto_fw_reset = 1; 47 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 48 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 49 50 int qlcnic_load_fw_file; 51 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)"); 52 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 53 54 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 55 static void qlcnic_remove(struct pci_dev *pdev); 56 static int qlcnic_open(struct net_device *netdev); 57 static int qlcnic_close(struct net_device *netdev); 58 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue); 59 static void qlcnic_attach_work(struct work_struct *work); 60 static void qlcnic_fwinit_work(struct work_struct *work); 61 62 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 63 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 64 65 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 66 static irqreturn_t qlcnic_intr(int irq, void *data); 67 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 68 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 69 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 70 71 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 72 static int qlcnic_start_firmware(struct qlcnic_adapter *); 73 74 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 75 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 76 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 77 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 78 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 79 80 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 81 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 82 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 83 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 84 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 85 static void qlcnic_82xx_io_resume(struct pci_dev *); 86 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 87 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 88 pci_channel_state_t); 89 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 90 { 91 struct qlcnic_hardware_context *ahw = adapter->ahw; 92 93 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 94 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 95 else 96 return 1; 97 } 98 99 /* PCI Device ID Table */ 100 #define ENTRY(device) \ 101 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 102 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 103 104 static const struct pci_device_id qlcnic_pci_tbl[] = { 105 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 106 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 107 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 108 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), 109 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30), 110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 111 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 112 {0,} 113 }; 114 115 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 116 117 118 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 119 { 120 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 121 } 122 123 static const u32 msi_tgt_status[8] = { 124 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 125 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 126 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 127 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 128 }; 129 130 static const u32 qlcnic_reg_tbl[] = { 131 0x1B20A8, /* PEG_HALT_STAT1 */ 132 0x1B20AC, /* PEG_HALT_STAT2 */ 133 0x1B20B0, /* FW_HEARTBEAT */ 134 0x1B2100, /* LOCK ID */ 135 0x1B2128, /* FW_CAPABILITIES */ 136 0x1B2138, /* drv active */ 137 0x1B2140, /* dev state */ 138 0x1B2144, /* drv state */ 139 0x1B2148, /* drv scratch */ 140 0x1B214C, /* dev partition info */ 141 0x1B2174, /* drv idc ver */ 142 0x1B2150, /* fw version major */ 143 0x1B2154, /* fw version minor */ 144 0x1B2158, /* fw version sub */ 145 0x1B219C, /* npar state */ 146 0x1B21FC, /* FW_IMG_VALID */ 147 0x1B2250, /* CMD_PEG_STATE */ 148 0x1B233C, /* RCV_PEG_STATE */ 149 0x1B23B4, /* ASIC TEMP */ 150 0x1B216C, /* FW api */ 151 0x1B2170, /* drv op mode */ 152 0x13C010, /* flash lock */ 153 0x13C014, /* flash unlock */ 154 }; 155 156 static const struct qlcnic_board_info qlcnic_boards[] = { 157 { PCI_VENDOR_ID_QLOGIC, 158 PCI_DEVICE_ID_QLOGIC_QLE844X, 159 0x0, 160 0x0, 161 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 162 { PCI_VENDOR_ID_QLOGIC, 163 PCI_DEVICE_ID_QLOGIC_QLE834X, 164 PCI_VENDOR_ID_QLOGIC, 165 0x24e, 166 "8300 Series Dual Port 10GbE Converged Network Adapter " 167 "(TCP/IP Networking)" }, 168 { PCI_VENDOR_ID_QLOGIC, 169 PCI_DEVICE_ID_QLOGIC_QLE834X, 170 PCI_VENDOR_ID_QLOGIC, 171 0x243, 172 "8300 Series Single Port 10GbE Converged Network Adapter " 173 "(TCP/IP Networking)" }, 174 { PCI_VENDOR_ID_QLOGIC, 175 PCI_DEVICE_ID_QLOGIC_QLE834X, 176 PCI_VENDOR_ID_QLOGIC, 177 0x24a, 178 "8300 Series Dual Port 10GbE Converged Network Adapter " 179 "(TCP/IP Networking)" }, 180 { PCI_VENDOR_ID_QLOGIC, 181 PCI_DEVICE_ID_QLOGIC_QLE834X, 182 PCI_VENDOR_ID_QLOGIC, 183 0x246, 184 "8300 Series Dual Port 10GbE Converged Network Adapter " 185 "(TCP/IP Networking)" }, 186 { PCI_VENDOR_ID_QLOGIC, 187 PCI_DEVICE_ID_QLOGIC_QLE834X, 188 PCI_VENDOR_ID_QLOGIC, 189 0x252, 190 "8300 Series Dual Port 10GbE Converged Network Adapter " 191 "(TCP/IP Networking)" }, 192 { PCI_VENDOR_ID_QLOGIC, 193 PCI_DEVICE_ID_QLOGIC_QLE834X, 194 PCI_VENDOR_ID_QLOGIC, 195 0x26e, 196 "8300 Series Dual Port 10GbE Converged Network Adapter " 197 "(TCP/IP Networking)" }, 198 { PCI_VENDOR_ID_QLOGIC, 199 PCI_DEVICE_ID_QLOGIC_QLE834X, 200 PCI_VENDOR_ID_QLOGIC, 201 0x260, 202 "8300 Series Dual Port 10GbE Converged Network Adapter " 203 "(TCP/IP Networking)" }, 204 { PCI_VENDOR_ID_QLOGIC, 205 PCI_DEVICE_ID_QLOGIC_QLE834X, 206 PCI_VENDOR_ID_QLOGIC, 207 0x266, 208 "8300 Series Single Port 10GbE Converged Network Adapter " 209 "(TCP/IP Networking)" }, 210 { PCI_VENDOR_ID_QLOGIC, 211 PCI_DEVICE_ID_QLOGIC_QLE834X, 212 PCI_VENDOR_ID_QLOGIC, 213 0x269, 214 "8300 Series Dual Port 10GbE Converged Network Adapter " 215 "(TCP/IP Networking)" }, 216 { PCI_VENDOR_ID_QLOGIC, 217 PCI_DEVICE_ID_QLOGIC_QLE834X, 218 PCI_VENDOR_ID_QLOGIC, 219 0x271, 220 "8300 Series Dual Port 10GbE Converged Network Adapter " 221 "(TCP/IP Networking)" }, 222 { PCI_VENDOR_ID_QLOGIC, 223 PCI_DEVICE_ID_QLOGIC_QLE834X, 224 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 225 { PCI_VENDOR_ID_QLOGIC, 226 PCI_DEVICE_ID_QLOGIC_QLE8830, 227 0x0, 228 0x0, 229 "8830 Series 1/10GbE Controller" }, 230 { PCI_VENDOR_ID_QLOGIC, 231 PCI_DEVICE_ID_QLOGIC_QLE824X, 232 PCI_VENDOR_ID_QLOGIC, 233 0x203, 234 "8200 Series Single Port 10GbE Converged Network Adapter" 235 "(TCP/IP Networking)" }, 236 { PCI_VENDOR_ID_QLOGIC, 237 PCI_DEVICE_ID_QLOGIC_QLE824X, 238 PCI_VENDOR_ID_QLOGIC, 239 0x207, 240 "8200 Series Dual Port 10GbE Converged Network Adapter" 241 "(TCP/IP Networking)" }, 242 { PCI_VENDOR_ID_QLOGIC, 243 PCI_DEVICE_ID_QLOGIC_QLE824X, 244 PCI_VENDOR_ID_QLOGIC, 245 0x20b, 246 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 247 { PCI_VENDOR_ID_QLOGIC, 248 PCI_DEVICE_ID_QLOGIC_QLE824X, 249 PCI_VENDOR_ID_QLOGIC, 250 0x20c, 251 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 252 { PCI_VENDOR_ID_QLOGIC, 253 PCI_DEVICE_ID_QLOGIC_QLE824X, 254 PCI_VENDOR_ID_QLOGIC, 255 0x20f, 256 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 257 { PCI_VENDOR_ID_QLOGIC, 258 PCI_DEVICE_ID_QLOGIC_QLE824X, 259 0x103c, 0x3733, 260 "NC523SFP 10Gb 2-port Server Adapter" }, 261 { PCI_VENDOR_ID_QLOGIC, 262 PCI_DEVICE_ID_QLOGIC_QLE824X, 263 0x103c, 0x3346, 264 "CN1000Q Dual Port Converged Network Adapter" }, 265 { PCI_VENDOR_ID_QLOGIC, 266 PCI_DEVICE_ID_QLOGIC_QLE824X, 267 PCI_VENDOR_ID_QLOGIC, 268 0x210, 269 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 270 { PCI_VENDOR_ID_QLOGIC, 271 PCI_DEVICE_ID_QLOGIC_QLE824X, 272 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 273 }; 274 275 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 276 277 static const 278 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 279 280 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 281 { 282 int size = sizeof(struct qlcnic_host_sds_ring) * count; 283 284 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 285 286 return recv_ctx->sds_rings == NULL; 287 } 288 289 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 290 { 291 kfree(recv_ctx->sds_rings); 292 recv_ctx->sds_rings = NULL; 293 } 294 295 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 296 { 297 struct net_device *netdev = adapter->netdev; 298 struct pci_dev *pdev = adapter->pdev; 299 u8 mac_addr[ETH_ALEN]; 300 int ret; 301 302 ret = qlcnic_get_mac_address(adapter, mac_addr, 303 adapter->ahw->pci_func); 304 if (ret) 305 return ret; 306 307 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 308 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 309 310 /* set station address */ 311 312 if (!is_valid_ether_addr(netdev->dev_addr)) 313 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 314 netdev->dev_addr); 315 316 return 0; 317 } 318 319 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 320 { 321 struct qlcnic_mac_vlan_list *cur; 322 struct list_head *head; 323 324 list_for_each(head, &adapter->mac_list) { 325 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 326 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 327 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 328 0, QLCNIC_MAC_DEL); 329 list_del(&cur->list); 330 kfree(cur); 331 return; 332 } 333 } 334 } 335 336 static int qlcnic_set_mac(struct net_device *netdev, void *p) 337 { 338 struct qlcnic_adapter *adapter = netdev_priv(netdev); 339 struct sockaddr *addr = p; 340 341 if (qlcnic_sriov_vf_check(adapter)) 342 return -EINVAL; 343 344 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 345 return -EOPNOTSUPP; 346 347 if (!is_valid_ether_addr(addr->sa_data)) 348 return -EINVAL; 349 350 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) && 351 ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data)) 352 return 0; 353 354 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 355 netif_device_detach(netdev); 356 qlcnic_napi_disable(adapter); 357 } 358 359 qlcnic_delete_adapter_mac(adapter); 360 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 361 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 362 qlcnic_set_multi(adapter->netdev); 363 364 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 365 netif_device_attach(netdev); 366 qlcnic_napi_enable(adapter); 367 } 368 return 0; 369 } 370 371 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 372 struct net_device *netdev, 373 const unsigned char *addr, u16 vid) 374 { 375 struct qlcnic_adapter *adapter = netdev_priv(netdev); 376 int err = -EOPNOTSUPP; 377 378 if (!adapter->fdb_mac_learn) 379 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid); 380 381 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 382 qlcnic_sriov_check(adapter)) { 383 if (is_unicast_ether_addr(addr)) { 384 err = dev_uc_del(netdev, addr); 385 if (!err) 386 err = qlcnic_nic_del_mac(adapter, addr); 387 } else if (is_multicast_ether_addr(addr)) { 388 err = dev_mc_del(netdev, addr); 389 } else { 390 err = -EINVAL; 391 } 392 } 393 return err; 394 } 395 396 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 397 struct net_device *netdev, 398 const unsigned char *addr, u16 vid, u16 flags, 399 struct netlink_ext_ack *extack) 400 { 401 struct qlcnic_adapter *adapter = netdev_priv(netdev); 402 int err = 0; 403 404 if (!adapter->fdb_mac_learn) 405 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags); 406 407 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && 408 !qlcnic_sriov_check(adapter)) { 409 pr_info("%s: FDB e-switch is not enabled\n", __func__); 410 return -EOPNOTSUPP; 411 } 412 413 if (ether_addr_equal(addr, adapter->mac_addr)) 414 return err; 415 416 if (is_unicast_ether_addr(addr)) { 417 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 418 err = dev_uc_add_excl(netdev, addr); 419 else 420 err = -ENOMEM; 421 } else if (is_multicast_ether_addr(addr)) { 422 err = dev_mc_add_excl(netdev, addr); 423 } else { 424 err = -EINVAL; 425 } 426 427 return err; 428 } 429 430 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 431 struct net_device *netdev, 432 struct net_device *filter_dev, int *idx) 433 { 434 struct qlcnic_adapter *adapter = netdev_priv(netdev); 435 int err = 0; 436 437 if (!adapter->fdb_mac_learn) 438 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 439 440 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 441 qlcnic_sriov_check(adapter)) 442 err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 443 444 return err; 445 } 446 447 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 448 { 449 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 450 usleep_range(10000, 11000); 451 452 if (!adapter->fw_work.work.func) 453 return; 454 455 cancel_delayed_work_sync(&adapter->fw_work); 456 } 457 458 static int qlcnic_get_phys_port_id(struct net_device *netdev, 459 struct netdev_phys_item_id *ppid) 460 { 461 struct qlcnic_adapter *adapter = netdev_priv(netdev); 462 struct qlcnic_hardware_context *ahw = adapter->ahw; 463 464 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 465 return -EOPNOTSUPP; 466 467 ppid->id_len = sizeof(ahw->phys_port_id); 468 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 469 470 return 0; 471 } 472 473 static int qlcnic_udp_tunnel_sync(struct net_device *dev, unsigned int table) 474 { 475 struct qlcnic_adapter *adapter = netdev_priv(dev); 476 struct udp_tunnel_info ti; 477 int err; 478 479 udp_tunnel_nic_get_port(dev, table, 0, &ti); 480 if (ti.port) { 481 err = qlcnic_set_vxlan_port(adapter, ntohs(ti.port)); 482 if (err) 483 return err; 484 } 485 486 return qlcnic_set_vxlan_parsing(adapter, ntohs(ti.port)); 487 } 488 489 static const struct udp_tunnel_nic_info qlcnic_udp_tunnels = { 490 .sync_table = qlcnic_udp_tunnel_sync, 491 .flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP, 492 .tables = { 493 { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, }, 494 }, 495 }; 496 497 static netdev_features_t qlcnic_features_check(struct sk_buff *skb, 498 struct net_device *dev, 499 netdev_features_t features) 500 { 501 features = vlan_features_check(skb, features); 502 return vxlan_features_check(skb, features); 503 } 504 505 static const struct net_device_ops qlcnic_netdev_ops = { 506 .ndo_open = qlcnic_open, 507 .ndo_stop = qlcnic_close, 508 .ndo_start_xmit = qlcnic_xmit_frame, 509 .ndo_get_stats = qlcnic_get_stats, 510 .ndo_validate_addr = eth_validate_addr, 511 .ndo_set_rx_mode = qlcnic_set_multi, 512 .ndo_set_mac_address = qlcnic_set_mac, 513 .ndo_change_mtu = qlcnic_change_mtu, 514 .ndo_fix_features = qlcnic_fix_features, 515 .ndo_set_features = qlcnic_set_features, 516 .ndo_tx_timeout = qlcnic_tx_timeout, 517 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 518 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 519 .ndo_fdb_add = qlcnic_fdb_add, 520 .ndo_fdb_del = qlcnic_fdb_del, 521 .ndo_fdb_dump = qlcnic_fdb_dump, 522 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 523 .ndo_features_check = qlcnic_features_check, 524 #ifdef CONFIG_QLCNIC_SRIOV 525 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 526 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 527 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 528 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 529 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 530 #endif 531 }; 532 533 static const struct net_device_ops qlcnic_netdev_failed_ops = { 534 .ndo_open = qlcnic_open, 535 }; 536 537 static struct qlcnic_nic_template qlcnic_ops = { 538 .config_bridged_mode = qlcnic_config_bridged_mode, 539 .config_led = qlcnic_82xx_config_led, 540 .start_firmware = qlcnic_82xx_start_firmware, 541 .request_reset = qlcnic_82xx_dev_request_reset, 542 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 543 .napi_add = qlcnic_82xx_napi_add, 544 .napi_del = qlcnic_82xx_napi_del, 545 .config_ipaddr = qlcnic_82xx_config_ipaddr, 546 .shutdown = qlcnic_82xx_shutdown, 547 .resume = qlcnic_82xx_resume, 548 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 549 }; 550 551 struct qlcnic_nic_template qlcnic_vf_ops = { 552 .config_bridged_mode = qlcnicvf_config_bridged_mode, 553 .config_led = qlcnicvf_config_led, 554 .start_firmware = qlcnicvf_start_firmware 555 }; 556 557 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 558 .read_crb = qlcnic_82xx_read_crb, 559 .write_crb = qlcnic_82xx_write_crb, 560 .read_reg = qlcnic_82xx_hw_read_wx_2M, 561 .write_reg = qlcnic_82xx_hw_write_wx_2M, 562 .get_mac_address = qlcnic_82xx_get_mac_address, 563 .setup_intr = qlcnic_82xx_setup_intr, 564 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 565 .mbx_cmd = qlcnic_82xx_issue_cmd, 566 .get_func_no = qlcnic_82xx_get_func_no, 567 .api_lock = qlcnic_82xx_api_lock, 568 .api_unlock = qlcnic_82xx_api_unlock, 569 .add_sysfs = qlcnic_82xx_add_sysfs, 570 .remove_sysfs = qlcnic_82xx_remove_sysfs, 571 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 572 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 573 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 574 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 575 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 576 .setup_link_event = qlcnic_82xx_linkevent_request, 577 .get_nic_info = qlcnic_82xx_get_nic_info, 578 .get_pci_info = qlcnic_82xx_get_pci_info, 579 .set_nic_info = qlcnic_82xx_set_nic_info, 580 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 581 .napi_enable = qlcnic_82xx_napi_enable, 582 .napi_disable = qlcnic_82xx_napi_disable, 583 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 584 .config_rss = qlcnic_82xx_config_rss, 585 .config_hw_lro = qlcnic_82xx_config_hw_lro, 586 .config_loopback = qlcnic_82xx_set_lb_mode, 587 .clear_loopback = qlcnic_82xx_clear_lb_mode, 588 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 589 .change_l2_filter = qlcnic_82xx_change_filter, 590 .get_board_info = qlcnic_82xx_get_board_info, 591 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 592 .free_mac_list = qlcnic_82xx_free_mac_list, 593 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 594 .io_error_detected = qlcnic_82xx_io_error_detected, 595 .io_slot_reset = qlcnic_82xx_io_slot_reset, 596 .io_resume = qlcnic_82xx_io_resume, 597 .get_beacon_state = qlcnic_82xx_get_beacon_state, 598 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 599 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 600 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 601 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 602 .get_saved_state = qlcnic_82xx_get_saved_state, 603 .set_saved_state = qlcnic_82xx_set_saved_state, 604 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 605 .get_cap_size = qlcnic_82xx_get_cap_size, 606 .set_sys_info = qlcnic_82xx_set_sys_info, 607 .store_cap_mask = qlcnic_82xx_store_cap_mask, 608 .encap_rx_offload = qlcnic_82xx_encap_rx_offload, 609 .encap_tx_offload = qlcnic_82xx_encap_tx_offload, 610 }; 611 612 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 613 { 614 struct qlcnic_hardware_context *ahw = adapter->ahw; 615 616 if (qlcnic_82xx_check(adapter) && 617 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 618 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 619 return 0; 620 } else { 621 return 1; 622 } 623 } 624 625 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 626 int queue_type) 627 { 628 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 629 630 if (queue_type == QLCNIC_RX_QUEUE) 631 max_rings = adapter->max_sds_rings; 632 else if (queue_type == QLCNIC_TX_QUEUE) 633 max_rings = adapter->max_tx_rings; 634 635 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 636 max_rings)); 637 638 if (ring_cnt > num_rings) 639 return num_rings; 640 else 641 return ring_cnt; 642 } 643 644 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 645 { 646 /* 83xx adapter does not have max_tx_rings intialized in probe */ 647 if (adapter->max_tx_rings) 648 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 649 QLCNIC_TX_QUEUE); 650 else 651 adapter->drv_tx_rings = tx_cnt; 652 } 653 654 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 655 { 656 /* 83xx adapter does not have max_sds_rings intialized in probe */ 657 if (adapter->max_sds_rings) 658 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 659 QLCNIC_RX_QUEUE); 660 else 661 adapter->drv_sds_rings = rx_cnt; 662 } 663 664 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 665 { 666 struct pci_dev *pdev = adapter->pdev; 667 int num_msix = 0, err = 0, vector; 668 669 adapter->flags &= ~QLCNIC_TSS_RSS; 670 671 if (adapter->drv_tss_rings > 0) 672 num_msix += adapter->drv_tss_rings; 673 else 674 num_msix += adapter->drv_tx_rings; 675 676 if (adapter->drv_rss_rings > 0) 677 num_msix += adapter->drv_rss_rings; 678 else 679 num_msix += adapter->drv_sds_rings; 680 681 if (qlcnic_83xx_check(adapter)) 682 num_msix += 1; 683 684 if (!adapter->msix_entries) { 685 adapter->msix_entries = kcalloc(num_msix, 686 sizeof(struct msix_entry), 687 GFP_KERNEL); 688 if (!adapter->msix_entries) 689 return -ENOMEM; 690 } 691 692 for (vector = 0; vector < num_msix; vector++) 693 adapter->msix_entries[vector].entry = vector; 694 695 restore: 696 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 697 if (err == -ENOSPC) { 698 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 699 return err; 700 701 netdev_info(adapter->netdev, 702 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 703 num_msix, err); 704 705 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 706 707 /* Set rings to 0 so we can restore original TSS/RSS count */ 708 adapter->drv_tss_rings = 0; 709 adapter->drv_rss_rings = 0; 710 711 if (qlcnic_83xx_check(adapter)) 712 num_msix += 1; 713 714 netdev_info(adapter->netdev, 715 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 716 adapter->drv_tx_rings, adapter->drv_sds_rings, 717 num_msix); 718 719 goto restore; 720 } else if (err < 0) { 721 return err; 722 } 723 724 adapter->ahw->num_msix = num_msix; 725 if (adapter->drv_tss_rings > 0) 726 adapter->drv_tx_rings = adapter->drv_tss_rings; 727 728 if (adapter->drv_rss_rings > 0) 729 adapter->drv_sds_rings = adapter->drv_rss_rings; 730 731 return 0; 732 } 733 734 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 735 { 736 struct pci_dev *pdev = adapter->pdev; 737 int err, vector; 738 739 if (!adapter->msix_entries) { 740 adapter->msix_entries = kcalloc(num_msix, 741 sizeof(struct msix_entry), 742 GFP_KERNEL); 743 if (!adapter->msix_entries) 744 return -ENOMEM; 745 } 746 747 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 748 749 if (adapter->ahw->msix_supported) { 750 enable_msix: 751 for (vector = 0; vector < num_msix; vector++) 752 adapter->msix_entries[vector].entry = vector; 753 754 err = pci_enable_msix_range(pdev, 755 adapter->msix_entries, 1, num_msix); 756 757 if (err == num_msix) { 758 adapter->flags |= QLCNIC_MSIX_ENABLED; 759 adapter->ahw->num_msix = num_msix; 760 dev_info(&pdev->dev, "using msi-x interrupts\n"); 761 return 0; 762 } else if (err > 0) { 763 pci_disable_msix(pdev); 764 765 dev_info(&pdev->dev, 766 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 767 num_msix, err); 768 769 if (qlcnic_82xx_check(adapter)) { 770 num_msix = rounddown_pow_of_two(err); 771 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 772 return -ENOSPC; 773 } else { 774 num_msix = rounddown_pow_of_two(err - 1); 775 num_msix += 1; 776 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 777 return -ENOSPC; 778 } 779 780 if (qlcnic_82xx_check(adapter) && 781 !qlcnic_check_multi_tx(adapter)) { 782 adapter->drv_sds_rings = num_msix; 783 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 784 } else { 785 /* Distribute vectors equally */ 786 adapter->drv_tx_rings = num_msix / 2; 787 adapter->drv_sds_rings = adapter->drv_tx_rings; 788 } 789 790 if (num_msix) { 791 dev_info(&pdev->dev, 792 "Trying to allocate %d MSI-X interrupt vectors\n", 793 num_msix); 794 goto enable_msix; 795 } 796 } else { 797 dev_info(&pdev->dev, 798 "Unable to allocate %d MSI-X vectors, err=%d\n", 799 num_msix, err); 800 return err; 801 } 802 } 803 804 return -EIO; 805 } 806 807 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 808 { 809 int num_msix; 810 811 num_msix = adapter->drv_sds_rings; 812 813 if (qlcnic_check_multi_tx(adapter)) 814 num_msix += adapter->drv_tx_rings; 815 else 816 num_msix += QLCNIC_SINGLE_RING; 817 818 return num_msix; 819 } 820 821 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 822 { 823 int err = 0; 824 u32 offset, mask_reg; 825 const struct qlcnic_legacy_intr_set *legacy_intrp; 826 struct qlcnic_hardware_context *ahw = adapter->ahw; 827 struct pci_dev *pdev = adapter->pdev; 828 829 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 830 adapter->flags |= QLCNIC_MSI_ENABLED; 831 offset = msi_tgt_status[adapter->ahw->pci_func]; 832 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 833 offset); 834 dev_info(&pdev->dev, "using msi interrupts\n"); 835 adapter->msix_entries[0].vector = pdev->irq; 836 return err; 837 } 838 839 if (qlcnic_use_msi || qlcnic_use_msi_x) 840 return -EOPNOTSUPP; 841 842 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 843 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 844 offset = legacy_intrp->tgt_status_reg; 845 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 846 mask_reg = legacy_intrp->tgt_mask_reg; 847 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 848 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 849 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 850 dev_info(&pdev->dev, "using legacy interrupts\n"); 851 adapter->msix_entries[0].vector = pdev->irq; 852 return err; 853 } 854 855 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 856 { 857 int num_msix, err = 0; 858 859 if (adapter->flags & QLCNIC_TSS_RSS) { 860 err = qlcnic_setup_tss_rss_intr(adapter); 861 if (err < 0) 862 return err; 863 num_msix = adapter->ahw->num_msix; 864 } else { 865 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 866 867 err = qlcnic_enable_msix(adapter, num_msix); 868 if (err == -ENOMEM) 869 return err; 870 871 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 872 qlcnic_disable_multi_tx(adapter); 873 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 874 875 err = qlcnic_enable_msi_legacy(adapter); 876 if (err) 877 return err; 878 } 879 } 880 881 return 0; 882 } 883 884 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 885 { 886 struct qlcnic_hardware_context *ahw = adapter->ahw; 887 int err, i; 888 889 if (qlcnic_check_multi_tx(adapter) && 890 !ahw->diag_test && 891 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 892 ahw->intr_tbl = 893 vzalloc(array_size(sizeof(struct qlcnic_intrpt_config), 894 ahw->num_msix)); 895 if (!ahw->intr_tbl) 896 return -ENOMEM; 897 898 for (i = 0; i < ahw->num_msix; i++) { 899 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 900 ahw->intr_tbl[i].id = i; 901 ahw->intr_tbl[i].src = 0; 902 } 903 904 err = qlcnic_82xx_config_intrpt(adapter, 1); 905 if (err) 906 dev_err(&adapter->pdev->dev, 907 "Failed to configure Interrupt for %d vector\n", 908 ahw->num_msix); 909 return err; 910 } 911 912 return 0; 913 } 914 915 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 916 { 917 if (adapter->flags & QLCNIC_MSIX_ENABLED) 918 pci_disable_msix(adapter->pdev); 919 if (adapter->flags & QLCNIC_MSI_ENABLED) 920 pci_disable_msi(adapter->pdev); 921 922 kfree(adapter->msix_entries); 923 adapter->msix_entries = NULL; 924 925 if (adapter->ahw->intr_tbl) { 926 vfree(adapter->ahw->intr_tbl); 927 adapter->ahw->intr_tbl = NULL; 928 } 929 } 930 931 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 932 { 933 if (ahw->pci_base0 != NULL) 934 iounmap(ahw->pci_base0); 935 } 936 937 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 938 { 939 struct qlcnic_hardware_context *ahw = adapter->ahw; 940 struct qlcnic_pci_info *pci_info; 941 int ret; 942 943 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 944 switch (ahw->port_type) { 945 case QLCNIC_GBE: 946 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 947 break; 948 case QLCNIC_XGBE: 949 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 950 break; 951 } 952 return 0; 953 } 954 955 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 956 return 0; 957 958 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 959 if (!pci_info) 960 return -ENOMEM; 961 962 ret = qlcnic_get_pci_info(adapter, pci_info); 963 kfree(pci_info); 964 return ret; 965 } 966 967 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 968 { 969 bool ret = false; 970 971 if (qlcnic_84xx_check(adapter)) { 972 ret = true; 973 } else if (qlcnic_83xx_check(adapter)) { 974 if (adapter->ahw->extra_capability[0] & 975 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 976 ret = true; 977 else 978 ret = false; 979 } 980 981 return ret; 982 } 983 984 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 985 { 986 struct qlcnic_hardware_context *ahw = adapter->ahw; 987 struct qlcnic_pci_info *pci_info; 988 int i, id = 0, ret = 0, j = 0; 989 u16 act_pci_func; 990 u8 pfn; 991 992 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 993 if (!pci_info) 994 return -ENOMEM; 995 996 ret = qlcnic_get_pci_info(adapter, pci_info); 997 if (ret) 998 goto err_pci_info; 999 1000 act_pci_func = ahw->total_nic_func; 1001 1002 adapter->npars = kcalloc(act_pci_func, 1003 sizeof(struct qlcnic_npar_info), 1004 GFP_KERNEL); 1005 if (!adapter->npars) { 1006 ret = -ENOMEM; 1007 goto err_pci_info; 1008 } 1009 1010 adapter->eswitch = kcalloc(QLCNIC_NIU_MAX_XG_PORTS, 1011 sizeof(struct qlcnic_eswitch), 1012 GFP_KERNEL); 1013 if (!adapter->eswitch) { 1014 ret = -ENOMEM; 1015 goto err_npars; 1016 } 1017 1018 for (i = 0; i < ahw->max_vnic_func; i++) { 1019 pfn = pci_info[i].id; 1020 1021 if (pfn >= ahw->max_vnic_func) { 1022 ret = -EINVAL; 1023 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1024 __func__, pfn, ahw->max_vnic_func); 1025 goto err_eswitch; 1026 } 1027 1028 if (!pci_info[i].active || 1029 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1030 continue; 1031 1032 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1033 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1034 &id)) 1035 adapter->npars[j].eswitch_status = true; 1036 else 1037 continue; 1038 } else { 1039 adapter->npars[j].eswitch_status = true; 1040 } 1041 1042 adapter->npars[j].pci_func = pfn; 1043 adapter->npars[j].active = (u8)pci_info[i].active; 1044 adapter->npars[j].type = (u8)pci_info[i].type; 1045 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1046 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1047 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1048 1049 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1050 j++; 1051 } 1052 1053 /* Update eSwitch status for adapters without per port eSwitch 1054 * configuration capability 1055 */ 1056 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1057 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1058 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1059 } 1060 1061 kfree(pci_info); 1062 return 0; 1063 1064 err_eswitch: 1065 kfree(adapter->eswitch); 1066 adapter->eswitch = NULL; 1067 err_npars: 1068 kfree(adapter->npars); 1069 adapter->npars = NULL; 1070 err_pci_info: 1071 kfree(pci_info); 1072 1073 return ret; 1074 } 1075 1076 static int 1077 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1078 { 1079 u8 id; 1080 int ret; 1081 u32 data = QLCNIC_MGMT_FUNC; 1082 struct qlcnic_hardware_context *ahw = adapter->ahw; 1083 1084 ret = qlcnic_api_lock(adapter); 1085 if (ret) 1086 goto err_lock; 1087 1088 id = ahw->pci_func; 1089 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1090 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1091 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1092 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1093 qlcnic_api_unlock(adapter); 1094 err_lock: 1095 return ret; 1096 } 1097 1098 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1099 const struct pci_device_id *ent) 1100 { 1101 u32 op_mode, priv_level; 1102 1103 /* Determine FW API version */ 1104 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1105 QLCNIC_FW_API); 1106 1107 /* Find PCI function number */ 1108 qlcnic_get_func_no(adapter); 1109 1110 /* Determine function privilege level */ 1111 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1112 if (op_mode == QLC_DEV_DRV_DEFAULT) 1113 priv_level = QLCNIC_MGMT_FUNC; 1114 else 1115 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1116 1117 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1118 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1119 dev_info(&adapter->pdev->dev, 1120 "HAL Version: %d Non Privileged function\n", 1121 adapter->ahw->fw_hal_version); 1122 adapter->nic_ops = &qlcnic_vf_ops; 1123 } else 1124 adapter->nic_ops = &qlcnic_ops; 1125 } 1126 1127 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1128 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1129 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1130 { 1131 switch (dev_id) { 1132 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1133 *bar = QLCNIC_82XX_BAR0_LENGTH; 1134 break; 1135 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1136 case PCI_DEVICE_ID_QLOGIC_QLE8830: 1137 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1138 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1139 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1140 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 1141 *bar = QLCNIC_83XX_BAR0_LENGTH; 1142 break; 1143 default: 1144 *bar = 0; 1145 } 1146 } 1147 1148 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1149 struct qlcnic_hardware_context *ahw) 1150 { 1151 u32 offset; 1152 void __iomem *mem_ptr0 = NULL; 1153 unsigned long mem_len, pci_len0 = 0, bar0_len; 1154 1155 /* remap phys address */ 1156 mem_len = pci_resource_len(pdev, 0); 1157 1158 qlcnic_get_bar_length(pdev->device, &bar0_len); 1159 if (mem_len >= bar0_len) { 1160 1161 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1162 if (mem_ptr0 == NULL) { 1163 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1164 return -EIO; 1165 } 1166 pci_len0 = mem_len; 1167 } else { 1168 return -EIO; 1169 } 1170 1171 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1172 1173 ahw->pci_base0 = mem_ptr0; 1174 ahw->pci_len0 = pci_len0; 1175 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1176 qlcnic_get_ioaddr(ahw, offset); 1177 1178 return 0; 1179 } 1180 1181 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1182 int index) 1183 { 1184 struct pci_dev *pdev = adapter->pdev; 1185 unsigned short subsystem_vendor; 1186 bool ret = true; 1187 1188 subsystem_vendor = pdev->subsystem_vendor; 1189 1190 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1191 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1192 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1193 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1194 ret = true; 1195 else 1196 ret = false; 1197 } 1198 1199 return ret; 1200 } 1201 1202 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1203 { 1204 struct pci_dev *pdev = adapter->pdev; 1205 int i, found = 0; 1206 1207 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1208 if (qlcnic_boards[i].vendor == pdev->vendor && 1209 qlcnic_boards[i].device == pdev->device && 1210 qlcnic_validate_subsystem_id(adapter, i)) { 1211 found = 1; 1212 break; 1213 } 1214 } 1215 1216 if (!found) 1217 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1218 else 1219 sprintf(name, "%pM: %s" , adapter->mac_addr, 1220 qlcnic_boards[i].short_name); 1221 } 1222 1223 static void 1224 qlcnic_check_options(struct qlcnic_adapter *adapter) 1225 { 1226 int err; 1227 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1228 struct pci_dev *pdev = adapter->pdev; 1229 struct qlcnic_hardware_context *ahw = adapter->ahw; 1230 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1231 1232 prev_fw_version = adapter->fw_version; 1233 1234 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1235 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1236 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1237 1238 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1239 1240 err = qlcnic_get_board_info(adapter); 1241 if (err) { 1242 dev_err(&pdev->dev, "Error getting board config info.\n"); 1243 return; 1244 } 1245 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1246 if (fw_dump->tmpl_hdr == NULL || 1247 adapter->fw_version > prev_fw_version) { 1248 vfree(fw_dump->tmpl_hdr); 1249 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1250 dev_info(&pdev->dev, 1251 "Supports FW dump capability\n"); 1252 } 1253 } 1254 1255 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1256 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1257 1258 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1259 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1260 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1261 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1262 } else { 1263 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1264 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1265 } 1266 1267 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1268 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1269 1270 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1271 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1272 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1273 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1274 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1275 } 1276 1277 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1278 1279 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1280 1281 adapter->max_rds_rings = MAX_RDS_RINGS; 1282 } 1283 1284 static int 1285 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1286 { 1287 struct qlcnic_info nic_info; 1288 int err = 0; 1289 1290 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1291 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1292 if (err) 1293 return err; 1294 1295 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1296 adapter->ahw->switch_mode = nic_info.switch_mode; 1297 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1298 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1299 adapter->ahw->capabilities = nic_info.capabilities; 1300 1301 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1302 u32 temp; 1303 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1304 if (err == -EIO) 1305 return err; 1306 adapter->ahw->extra_capability[0] = temp; 1307 } else { 1308 adapter->ahw->extra_capability[0] = 0; 1309 } 1310 1311 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1312 adapter->ahw->max_mtu = nic_info.max_mtu; 1313 1314 if (adapter->ahw->capabilities & BIT_6) { 1315 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1316 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1317 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1318 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1319 1320 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1321 } else { 1322 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1323 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1324 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1325 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1326 } 1327 1328 return err; 1329 } 1330 1331 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1332 struct qlcnic_esw_func_cfg *esw_cfg) 1333 { 1334 if (esw_cfg->discard_tagged) 1335 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1336 else 1337 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1338 1339 if (esw_cfg->vlan_id) { 1340 adapter->rx_pvid = esw_cfg->vlan_id; 1341 adapter->tx_pvid = esw_cfg->vlan_id; 1342 } else { 1343 adapter->rx_pvid = 0; 1344 adapter->tx_pvid = 0; 1345 } 1346 } 1347 1348 static int 1349 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1350 { 1351 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1352 int err; 1353 1354 if (qlcnic_sriov_vf_check(adapter)) { 1355 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1356 if (err) { 1357 netdev_err(netdev, 1358 "Cannot add VLAN filter for VLAN id %d, err=%d", 1359 vid, err); 1360 return err; 1361 } 1362 } 1363 1364 set_bit(vid, adapter->vlans); 1365 return 0; 1366 } 1367 1368 static int 1369 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1370 { 1371 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1372 int err; 1373 1374 if (qlcnic_sriov_vf_check(adapter)) { 1375 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1376 if (err) { 1377 netdev_err(netdev, 1378 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1379 vid, err); 1380 return err; 1381 } 1382 } 1383 1384 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1385 clear_bit(vid, adapter->vlans); 1386 return 0; 1387 } 1388 1389 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1390 struct qlcnic_esw_func_cfg *esw_cfg) 1391 { 1392 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1393 QLCNIC_PROMISC_DISABLED); 1394 1395 if (esw_cfg->mac_anti_spoof) 1396 adapter->flags |= QLCNIC_MACSPOOF; 1397 1398 if (!esw_cfg->mac_override) 1399 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1400 1401 if (!esw_cfg->promisc_mode) 1402 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1403 } 1404 1405 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1406 { 1407 struct qlcnic_esw_func_cfg esw_cfg; 1408 1409 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1410 return 0; 1411 1412 esw_cfg.pci_func = adapter->ahw->pci_func; 1413 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1414 return -EIO; 1415 qlcnic_set_vlan_config(adapter, &esw_cfg); 1416 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1417 qlcnic_set_netdev_features(adapter, &esw_cfg); 1418 1419 return 0; 1420 } 1421 1422 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1423 struct qlcnic_esw_func_cfg *esw_cfg) 1424 { 1425 struct net_device *netdev = adapter->netdev; 1426 1427 if (qlcnic_83xx_check(adapter)) 1428 return; 1429 1430 adapter->offload_flags = esw_cfg->offload_flags; 1431 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1432 netdev_update_features(netdev); 1433 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1434 } 1435 1436 static int 1437 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1438 { 1439 u32 op_mode, priv_level; 1440 int err = 0; 1441 1442 err = qlcnic_initialize_nic(adapter); 1443 if (err) 1444 return err; 1445 1446 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1447 return 0; 1448 1449 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1450 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1451 1452 if (op_mode == QLC_DEV_DRV_DEFAULT) 1453 priv_level = QLCNIC_MGMT_FUNC; 1454 else 1455 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1456 1457 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1458 if (priv_level == QLCNIC_MGMT_FUNC) { 1459 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1460 err = qlcnic_init_pci_info(adapter); 1461 if (err) 1462 return err; 1463 /* Set privilege level for other functions */ 1464 qlcnic_set_function_modes(adapter); 1465 dev_info(&adapter->pdev->dev, 1466 "HAL Version: %d, Management function\n", 1467 adapter->ahw->fw_hal_version); 1468 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1469 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1470 dev_info(&adapter->pdev->dev, 1471 "HAL Version: %d, Privileged function\n", 1472 adapter->ahw->fw_hal_version); 1473 } 1474 } else { 1475 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1476 } 1477 1478 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1479 1480 return err; 1481 } 1482 1483 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1484 { 1485 struct qlcnic_esw_func_cfg esw_cfg; 1486 struct qlcnic_npar_info *npar; 1487 u8 i; 1488 1489 if (adapter->need_fw_reset) 1490 return 0; 1491 1492 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1493 if (!adapter->npars[i].eswitch_status) 1494 continue; 1495 1496 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1497 esw_cfg.pci_func = adapter->npars[i].pci_func; 1498 esw_cfg.mac_override = BIT_0; 1499 esw_cfg.promisc_mode = BIT_0; 1500 if (qlcnic_82xx_check(adapter)) { 1501 esw_cfg.offload_flags = BIT_0; 1502 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1503 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1504 } 1505 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1506 return -EIO; 1507 npar = &adapter->npars[i]; 1508 npar->pvid = esw_cfg.vlan_id; 1509 npar->mac_override = esw_cfg.mac_override; 1510 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1511 npar->discard_tagged = esw_cfg.discard_tagged; 1512 npar->promisc_mode = esw_cfg.promisc_mode; 1513 npar->offload_flags = esw_cfg.offload_flags; 1514 } 1515 1516 return 0; 1517 } 1518 1519 1520 static int 1521 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1522 struct qlcnic_npar_info *npar, int pci_func) 1523 { 1524 struct qlcnic_esw_func_cfg esw_cfg; 1525 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1526 esw_cfg.pci_func = pci_func; 1527 esw_cfg.vlan_id = npar->pvid; 1528 esw_cfg.mac_override = npar->mac_override; 1529 esw_cfg.discard_tagged = npar->discard_tagged; 1530 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1531 esw_cfg.offload_flags = npar->offload_flags; 1532 esw_cfg.promisc_mode = npar->promisc_mode; 1533 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1534 return -EIO; 1535 1536 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1537 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1538 return -EIO; 1539 1540 return 0; 1541 } 1542 1543 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1544 { 1545 int i, err; 1546 struct qlcnic_npar_info *npar; 1547 struct qlcnic_info nic_info; 1548 u8 pci_func; 1549 1550 if (qlcnic_82xx_check(adapter)) 1551 if (!adapter->need_fw_reset) 1552 return 0; 1553 1554 /* Set the NPAR config data after FW reset */ 1555 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1556 npar = &adapter->npars[i]; 1557 pci_func = npar->pci_func; 1558 if (!adapter->npars[i].eswitch_status) 1559 continue; 1560 1561 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1562 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1563 if (err) 1564 return err; 1565 nic_info.min_tx_bw = npar->min_bw; 1566 nic_info.max_tx_bw = npar->max_bw; 1567 err = qlcnic_set_nic_info(adapter, &nic_info); 1568 if (err) 1569 return err; 1570 1571 if (npar->enable_pm) { 1572 err = qlcnic_config_port_mirroring(adapter, 1573 npar->dest_npar, 1, 1574 pci_func); 1575 if (err) 1576 return err; 1577 } 1578 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1579 if (err) 1580 return err; 1581 } 1582 return 0; 1583 } 1584 1585 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1586 { 1587 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1588 u32 npar_state; 1589 1590 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1591 return 0; 1592 1593 npar_state = QLC_SHARED_REG_RD32(adapter, 1594 QLCNIC_CRB_DEV_NPAR_STATE); 1595 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1596 msleep(1000); 1597 npar_state = QLC_SHARED_REG_RD32(adapter, 1598 QLCNIC_CRB_DEV_NPAR_STATE); 1599 } 1600 if (!npar_opt_timeo) { 1601 dev_err(&adapter->pdev->dev, 1602 "Waiting for NPAR state to operational timeout\n"); 1603 return -EIO; 1604 } 1605 return 0; 1606 } 1607 1608 static int 1609 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1610 { 1611 int err; 1612 1613 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1614 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1615 return 0; 1616 1617 err = qlcnic_set_default_offload_settings(adapter); 1618 if (err) 1619 return err; 1620 1621 err = qlcnic_reset_npar_config(adapter); 1622 if (err) 1623 return err; 1624 1625 qlcnic_dev_set_npar_ready(adapter); 1626 1627 return err; 1628 } 1629 1630 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1631 { 1632 int err; 1633 1634 err = qlcnic_can_start_firmware(adapter); 1635 if (err < 0) 1636 return err; 1637 else if (!err) 1638 goto check_fw_status; 1639 1640 if (qlcnic_load_fw_file) 1641 qlcnic_request_firmware(adapter); 1642 else { 1643 err = qlcnic_check_flash_fw_ver(adapter); 1644 if (err) 1645 goto err_out; 1646 1647 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1648 } 1649 1650 err = qlcnic_need_fw_reset(adapter); 1651 if (err == 0) 1652 goto check_fw_status; 1653 1654 err = qlcnic_pinit_from_rom(adapter); 1655 if (err) 1656 goto err_out; 1657 1658 err = qlcnic_load_firmware(adapter); 1659 if (err) 1660 goto err_out; 1661 1662 qlcnic_release_firmware(adapter); 1663 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1664 1665 check_fw_status: 1666 err = qlcnic_check_fw_status(adapter); 1667 if (err) 1668 goto err_out; 1669 1670 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1671 qlcnic_idc_debug_info(adapter, 1); 1672 err = qlcnic_check_eswitch_mode(adapter); 1673 if (err) { 1674 dev_err(&adapter->pdev->dev, 1675 "Memory allocation failed for eswitch\n"); 1676 goto err_out; 1677 } 1678 err = qlcnic_set_mgmt_operations(adapter); 1679 if (err) 1680 goto err_out; 1681 1682 qlcnic_check_options(adapter); 1683 adapter->need_fw_reset = 0; 1684 1685 qlcnic_release_firmware(adapter); 1686 return 0; 1687 1688 err_out: 1689 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1690 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1691 1692 qlcnic_release_firmware(adapter); 1693 return err; 1694 } 1695 1696 static int 1697 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1698 { 1699 irq_handler_t handler; 1700 struct qlcnic_host_sds_ring *sds_ring; 1701 struct qlcnic_host_tx_ring *tx_ring; 1702 int err, ring, num_sds_rings; 1703 1704 unsigned long flags = 0; 1705 struct net_device *netdev = adapter->netdev; 1706 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1707 1708 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1709 if (qlcnic_82xx_check(adapter)) 1710 handler = qlcnic_tmp_intr; 1711 else 1712 handler = qlcnic_83xx_tmp_intr; 1713 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1714 flags |= IRQF_SHARED; 1715 1716 } else { 1717 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1718 handler = qlcnic_msix_intr; 1719 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1720 handler = qlcnic_msi_intr; 1721 else { 1722 flags |= IRQF_SHARED; 1723 if (qlcnic_82xx_check(adapter)) 1724 handler = qlcnic_intr; 1725 else 1726 handler = qlcnic_83xx_intr; 1727 } 1728 } 1729 adapter->irq = netdev->irq; 1730 1731 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1732 if (qlcnic_82xx_check(adapter) || 1733 (qlcnic_83xx_check(adapter) && 1734 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1735 num_sds_rings = adapter->drv_sds_rings; 1736 for (ring = 0; ring < num_sds_rings; ring++) { 1737 sds_ring = &recv_ctx->sds_rings[ring]; 1738 if (qlcnic_82xx_check(adapter) && 1739 !qlcnic_check_multi_tx(adapter) && 1740 (ring == (num_sds_rings - 1))) { 1741 if (!(adapter->flags & 1742 QLCNIC_MSIX_ENABLED)) 1743 snprintf(sds_ring->name, 1744 sizeof(sds_ring->name), 1745 "qlcnic"); 1746 else 1747 snprintf(sds_ring->name, 1748 sizeof(sds_ring->name), 1749 "%s-tx-0-rx-%d", 1750 netdev->name, ring); 1751 } else { 1752 snprintf(sds_ring->name, 1753 sizeof(sds_ring->name), 1754 "%s-rx-%d", 1755 netdev->name, ring); 1756 } 1757 err = request_irq(sds_ring->irq, handler, flags, 1758 sds_ring->name, sds_ring); 1759 if (err) 1760 return err; 1761 } 1762 } 1763 if ((qlcnic_82xx_check(adapter) && 1764 qlcnic_check_multi_tx(adapter)) || 1765 (qlcnic_83xx_check(adapter) && 1766 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1767 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1768 handler = qlcnic_msix_tx_intr; 1769 for (ring = 0; ring < adapter->drv_tx_rings; 1770 ring++) { 1771 tx_ring = &adapter->tx_ring[ring]; 1772 snprintf(tx_ring->name, sizeof(tx_ring->name), 1773 "%s-tx-%d", netdev->name, ring); 1774 err = request_irq(tx_ring->irq, handler, flags, 1775 tx_ring->name, tx_ring); 1776 if (err) 1777 return err; 1778 } 1779 } 1780 } 1781 return 0; 1782 } 1783 1784 static void 1785 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1786 { 1787 int ring; 1788 struct qlcnic_host_sds_ring *sds_ring; 1789 struct qlcnic_host_tx_ring *tx_ring; 1790 1791 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1792 1793 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1794 if (qlcnic_82xx_check(adapter) || 1795 (qlcnic_83xx_check(adapter) && 1796 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1797 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1798 sds_ring = &recv_ctx->sds_rings[ring]; 1799 free_irq(sds_ring->irq, sds_ring); 1800 } 1801 } 1802 if ((qlcnic_83xx_check(adapter) && 1803 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1804 (qlcnic_82xx_check(adapter) && 1805 qlcnic_check_multi_tx(adapter))) { 1806 for (ring = 0; ring < adapter->drv_tx_rings; 1807 ring++) { 1808 tx_ring = &adapter->tx_ring[ring]; 1809 if (tx_ring->irq) 1810 free_irq(tx_ring->irq, tx_ring); 1811 } 1812 } 1813 } 1814 } 1815 1816 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1817 { 1818 u32 capab = 0; 1819 1820 if (qlcnic_82xx_check(adapter)) { 1821 if (adapter->ahw->extra_capability[0] & 1822 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1823 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1824 } else { 1825 capab = adapter->ahw->capabilities; 1826 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1827 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1828 } 1829 } 1830 1831 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1832 { 1833 struct qlcnic_hardware_context *ahw = adapter->ahw; 1834 int err; 1835 1836 /* Initialize interrupt coalesce parameters */ 1837 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1838 1839 if (qlcnic_83xx_check(adapter)) { 1840 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1841 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1842 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1843 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1844 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1845 1846 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1847 } else { 1848 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1849 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1850 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1851 1852 err = qlcnic_82xx_set_rx_coalesce(adapter); 1853 } 1854 1855 return err; 1856 } 1857 1858 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1859 { 1860 int ring; 1861 struct qlcnic_host_rds_ring *rds_ring; 1862 1863 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1864 return -EIO; 1865 1866 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1867 return 0; 1868 1869 if (qlcnic_set_eswitch_port_config(adapter)) 1870 return -EIO; 1871 1872 qlcnic_get_lro_mss_capability(adapter); 1873 1874 if (qlcnic_fw_create_ctx(adapter)) 1875 return -EIO; 1876 1877 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1878 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1879 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1880 } 1881 1882 qlcnic_set_multi(netdev); 1883 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1884 1885 adapter->ahw->linkup = 0; 1886 1887 if (adapter->drv_sds_rings > 1) 1888 qlcnic_config_rss(adapter, 1); 1889 1890 qlcnic_config_def_intr_coalesce(adapter); 1891 1892 if (netdev->features & NETIF_F_LRO) 1893 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1894 1895 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1896 qlcnic_napi_enable(adapter); 1897 1898 qlcnic_linkevent_request(adapter, 1); 1899 1900 adapter->ahw->reset_context = 0; 1901 netif_tx_start_all_queues(netdev); 1902 return 0; 1903 } 1904 1905 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1906 { 1907 int err = 0; 1908 1909 rtnl_lock(); 1910 if (netif_running(netdev)) 1911 err = __qlcnic_up(adapter, netdev); 1912 rtnl_unlock(); 1913 1914 return err; 1915 } 1916 1917 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1918 { 1919 int ring; 1920 1921 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1922 return; 1923 1924 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1925 return; 1926 1927 smp_mb(); 1928 netif_carrier_off(netdev); 1929 adapter->ahw->linkup = 0; 1930 netif_tx_disable(netdev); 1931 1932 qlcnic_free_mac_list(adapter); 1933 1934 if (adapter->fhash.fnum) 1935 qlcnic_delete_lb_filters(adapter); 1936 1937 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1938 if (qlcnic_sriov_vf_check(adapter)) 1939 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1940 1941 qlcnic_napi_disable(adapter); 1942 1943 qlcnic_fw_destroy_ctx(adapter); 1944 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1945 1946 qlcnic_reset_rx_buffers_list(adapter); 1947 1948 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1949 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1950 } 1951 1952 /* Usage: During suspend and firmware recovery module */ 1953 1954 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1955 { 1956 rtnl_lock(); 1957 if (netif_running(netdev)) 1958 __qlcnic_down(adapter, netdev); 1959 rtnl_unlock(); 1960 1961 } 1962 1963 int 1964 qlcnic_attach(struct qlcnic_adapter *adapter) 1965 { 1966 struct net_device *netdev = adapter->netdev; 1967 struct pci_dev *pdev = adapter->pdev; 1968 int err; 1969 1970 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1971 return 0; 1972 1973 err = qlcnic_napi_add(adapter, netdev); 1974 if (err) 1975 return err; 1976 1977 err = qlcnic_alloc_sw_resources(adapter); 1978 if (err) { 1979 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1980 goto err_out_napi_del; 1981 } 1982 1983 err = qlcnic_alloc_hw_resources(adapter); 1984 if (err) { 1985 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1986 goto err_out_free_sw; 1987 } 1988 1989 err = qlcnic_request_irq(adapter); 1990 if (err) { 1991 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1992 goto err_out_free_hw; 1993 } 1994 1995 qlcnic_create_sysfs_entries(adapter); 1996 1997 if (qlcnic_encap_rx_offload(adapter)) 1998 udp_tunnel_nic_reset_ntf(netdev); 1999 2000 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 2001 return 0; 2002 2003 err_out_free_hw: 2004 qlcnic_free_hw_resources(adapter); 2005 err_out_free_sw: 2006 qlcnic_free_sw_resources(adapter); 2007 err_out_napi_del: 2008 qlcnic_napi_del(adapter); 2009 return err; 2010 } 2011 2012 void qlcnic_detach(struct qlcnic_adapter *adapter) 2013 { 2014 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2015 return; 2016 2017 qlcnic_remove_sysfs_entries(adapter); 2018 2019 qlcnic_free_hw_resources(adapter); 2020 qlcnic_release_rx_buffers(adapter); 2021 qlcnic_free_irq(adapter); 2022 qlcnic_napi_del(adapter); 2023 qlcnic_free_sw_resources(adapter); 2024 2025 adapter->is_up = 0; 2026 } 2027 2028 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2029 { 2030 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2031 struct qlcnic_host_sds_ring *sds_ring; 2032 int drv_tx_rings = adapter->drv_tx_rings; 2033 int ring; 2034 2035 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2036 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2037 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2038 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2039 qlcnic_disable_sds_intr(adapter, sds_ring); 2040 } 2041 } 2042 2043 qlcnic_fw_destroy_ctx(adapter); 2044 2045 qlcnic_detach(adapter); 2046 2047 adapter->ahw->diag_test = 0; 2048 adapter->drv_sds_rings = drv_sds_rings; 2049 adapter->drv_tx_rings = drv_tx_rings; 2050 2051 if (qlcnic_attach(adapter)) 2052 goto out; 2053 2054 if (netif_running(netdev)) 2055 __qlcnic_up(adapter, netdev); 2056 out: 2057 netif_device_attach(netdev); 2058 } 2059 2060 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2061 { 2062 struct qlcnic_hardware_context *ahw = adapter->ahw; 2063 int err = 0; 2064 2065 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2066 GFP_KERNEL); 2067 if (!adapter->recv_ctx) { 2068 err = -ENOMEM; 2069 goto err_out; 2070 } 2071 2072 if (qlcnic_83xx_check(adapter)) { 2073 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2074 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2075 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2076 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2077 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2078 } else { 2079 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2080 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2081 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2082 } 2083 2084 /* clear stats */ 2085 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2086 err_out: 2087 return err; 2088 } 2089 2090 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2091 { 2092 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2093 2094 kfree(adapter->recv_ctx); 2095 adapter->recv_ctx = NULL; 2096 2097 if (fw_dump->tmpl_hdr) { 2098 vfree(fw_dump->tmpl_hdr); 2099 fw_dump->tmpl_hdr = NULL; 2100 } 2101 2102 if (fw_dump->dma_buffer) { 2103 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2104 fw_dump->dma_buffer, fw_dump->phys_addr); 2105 fw_dump->dma_buffer = NULL; 2106 } 2107 2108 kfree(adapter->ahw->reset.buff); 2109 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2110 } 2111 2112 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2113 { 2114 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2115 struct qlcnic_host_sds_ring *sds_ring; 2116 struct qlcnic_host_rds_ring *rds_ring; 2117 int ring; 2118 int ret; 2119 2120 netif_device_detach(netdev); 2121 2122 if (netif_running(netdev)) 2123 __qlcnic_down(adapter, netdev); 2124 2125 qlcnic_detach(adapter); 2126 2127 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2128 adapter->ahw->diag_test = test; 2129 adapter->ahw->linkup = 0; 2130 2131 ret = qlcnic_attach(adapter); 2132 if (ret) { 2133 netif_device_attach(netdev); 2134 return ret; 2135 } 2136 2137 ret = qlcnic_fw_create_ctx(adapter); 2138 if (ret) { 2139 qlcnic_detach(adapter); 2140 netif_device_attach(netdev); 2141 return ret; 2142 } 2143 2144 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2145 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2146 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2147 } 2148 2149 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2150 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2151 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2152 qlcnic_enable_sds_intr(adapter, sds_ring); 2153 } 2154 } 2155 2156 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2157 adapter->ahw->loopback_state = 0; 2158 qlcnic_linkevent_request(adapter, 1); 2159 } 2160 2161 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2162 2163 return 0; 2164 } 2165 2166 /* Reset context in hardware only */ 2167 static int 2168 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2169 { 2170 struct net_device *netdev = adapter->netdev; 2171 2172 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2173 return -EBUSY; 2174 2175 netif_device_detach(netdev); 2176 2177 qlcnic_down(adapter, netdev); 2178 2179 qlcnic_up(adapter, netdev); 2180 2181 netif_device_attach(netdev); 2182 2183 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2184 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2185 return 0; 2186 } 2187 2188 int 2189 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2190 { 2191 int err = 0; 2192 struct net_device *netdev = adapter->netdev; 2193 2194 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2195 return -EBUSY; 2196 2197 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2198 2199 netif_device_detach(netdev); 2200 2201 if (netif_running(netdev)) 2202 __qlcnic_down(adapter, netdev); 2203 2204 qlcnic_detach(adapter); 2205 2206 if (netif_running(netdev)) { 2207 err = qlcnic_attach(adapter); 2208 if (!err) { 2209 __qlcnic_up(adapter, netdev); 2210 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2211 } 2212 } 2213 2214 netif_device_attach(netdev); 2215 } 2216 2217 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2218 return err; 2219 } 2220 2221 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2222 { 2223 struct qlcnic_hardware_context *ahw = adapter->ahw; 2224 u16 act_pci_fn = ahw->total_nic_func; 2225 u16 count; 2226 2227 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2228 if (act_pci_fn <= 2) 2229 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2230 act_pci_fn; 2231 else 2232 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2233 act_pci_fn; 2234 ahw->max_uc_count = count; 2235 } 2236 2237 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2238 u8 tx_queues, u8 rx_queues) 2239 { 2240 struct net_device *netdev = adapter->netdev; 2241 int err = 0; 2242 2243 if (tx_queues) { 2244 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2245 if (err) { 2246 netdev_err(netdev, "failed to set %d Tx queues\n", 2247 tx_queues); 2248 return err; 2249 } 2250 } 2251 2252 if (rx_queues) { 2253 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2254 if (err) 2255 netdev_err(netdev, "failed to set %d Rx queues\n", 2256 rx_queues); 2257 } 2258 2259 return err; 2260 } 2261 2262 int 2263 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2264 int pci_using_dac) 2265 { 2266 int err; 2267 struct pci_dev *pdev = adapter->pdev; 2268 2269 adapter->rx_csum = 1; 2270 adapter->ahw->mc_enabled = 0; 2271 qlcnic_set_mac_filter_count(adapter); 2272 2273 netdev->netdev_ops = &qlcnic_netdev_ops; 2274 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2275 2276 qlcnic_change_mtu(netdev, netdev->mtu); 2277 2278 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2279 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2280 2281 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2282 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2283 NETIF_F_HW_VLAN_CTAG_RX); 2284 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2285 NETIF_F_IPV6_CSUM); 2286 2287 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2288 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2289 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2290 } 2291 2292 if (pci_using_dac) { 2293 netdev->features |= NETIF_F_HIGHDMA; 2294 netdev->vlan_features |= NETIF_F_HIGHDMA; 2295 } 2296 2297 if (qlcnic_vlan_tx_check(adapter)) 2298 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2299 2300 if (qlcnic_sriov_vf_check(adapter)) 2301 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2302 2303 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2304 netdev->features |= NETIF_F_LRO; 2305 2306 if (qlcnic_encap_tx_offload(adapter)) { 2307 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2308 2309 /* encapsulation Tx offload supported by Adapter */ 2310 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2311 NETIF_F_GSO_UDP_TUNNEL | 2312 NETIF_F_TSO | 2313 NETIF_F_TSO6; 2314 } 2315 2316 if (qlcnic_encap_rx_offload(adapter)) { 2317 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2318 2319 netdev->udp_tunnel_nic_info = &qlcnic_udp_tunnels; 2320 } 2321 2322 netdev->hw_features = netdev->features; 2323 netdev->priv_flags |= IFF_UNICAST_FLT; 2324 netdev->irq = adapter->msix_entries[0].vector; 2325 2326 /* MTU range: 68 - 9600 */ 2327 netdev->min_mtu = P3P_MIN_MTU; 2328 netdev->max_mtu = P3P_MAX_MTU; 2329 2330 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2331 adapter->drv_sds_rings); 2332 if (err) 2333 return err; 2334 2335 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2336 2337 err = register_netdev(netdev); 2338 if (err) { 2339 dev_err(&pdev->dev, "failed to register net device\n"); 2340 return err; 2341 } 2342 2343 return 0; 2344 } 2345 2346 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2347 { 2348 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2349 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2350 *pci_using_dac = 1; 2351 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2352 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2353 *pci_using_dac = 0; 2354 else { 2355 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2356 return -EIO; 2357 } 2358 2359 return 0; 2360 } 2361 2362 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2363 { 2364 int ring; 2365 struct qlcnic_host_tx_ring *tx_ring; 2366 2367 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2368 tx_ring = &adapter->tx_ring[ring]; 2369 if (tx_ring) { 2370 vfree(tx_ring->cmd_buf_arr); 2371 tx_ring->cmd_buf_arr = NULL; 2372 } 2373 } 2374 kfree(adapter->tx_ring); 2375 } 2376 2377 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2378 struct net_device *netdev) 2379 { 2380 int ring, vector, index; 2381 struct qlcnic_host_tx_ring *tx_ring; 2382 struct qlcnic_cmd_buffer *cmd_buf_arr; 2383 2384 tx_ring = kcalloc(adapter->drv_tx_rings, 2385 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2386 if (tx_ring == NULL) 2387 return -ENOMEM; 2388 2389 adapter->tx_ring = tx_ring; 2390 2391 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2392 tx_ring = &adapter->tx_ring[ring]; 2393 tx_ring->num_desc = adapter->num_txd; 2394 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2395 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2396 if (cmd_buf_arr == NULL) { 2397 qlcnic_free_tx_rings(adapter); 2398 return -ENOMEM; 2399 } 2400 tx_ring->cmd_buf_arr = cmd_buf_arr; 2401 spin_lock_init(&tx_ring->tx_clean_lock); 2402 } 2403 2404 if (qlcnic_83xx_check(adapter) || 2405 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2406 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2407 tx_ring = &adapter->tx_ring[ring]; 2408 tx_ring->adapter = adapter; 2409 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2410 index = adapter->drv_sds_rings + ring; 2411 vector = adapter->msix_entries[index].vector; 2412 tx_ring->irq = vector; 2413 } 2414 } 2415 } 2416 2417 return 0; 2418 } 2419 2420 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2421 { 2422 struct qlcnic_hardware_context *ahw = adapter->ahw; 2423 u32 fw_cmd = 0; 2424 2425 if (qlcnic_82xx_check(adapter)) 2426 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2427 else if (qlcnic_83xx_check(adapter)) 2428 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2429 2430 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2431 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2432 } 2433 2434 /* Reset firmware API lock */ 2435 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2436 { 2437 qlcnic_api_lock(adapter); 2438 qlcnic_api_unlock(adapter); 2439 } 2440 2441 2442 static int 2443 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2444 { 2445 struct net_device *netdev = NULL; 2446 struct qlcnic_adapter *adapter = NULL; 2447 struct qlcnic_hardware_context *ahw; 2448 int err, pci_using_dac = -1; 2449 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2450 2451 err = pci_enable_device(pdev); 2452 if (err) 2453 return err; 2454 2455 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2456 err = -ENODEV; 2457 goto err_out_disable_pdev; 2458 } 2459 2460 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2461 if (err) 2462 goto err_out_disable_pdev; 2463 2464 err = pci_request_regions(pdev, qlcnic_driver_name); 2465 if (err) 2466 goto err_out_disable_pdev; 2467 2468 pci_set_master(pdev); 2469 pci_enable_pcie_error_reporting(pdev); 2470 2471 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2472 if (!ahw) { 2473 err = -ENOMEM; 2474 goto err_out_free_res; 2475 } 2476 2477 switch (ent->device) { 2478 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2479 ahw->hw_ops = &qlcnic_hw_ops; 2480 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2481 break; 2482 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2483 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2484 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2485 qlcnic_83xx_register_map(ahw); 2486 break; 2487 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2488 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 2489 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2490 qlcnic_sriov_vf_register_map(ahw); 2491 break; 2492 default: 2493 err = -EINVAL; 2494 goto err_out_free_hw_res; 2495 } 2496 2497 err = qlcnic_setup_pci_map(pdev, ahw); 2498 if (err) 2499 goto err_out_free_hw_res; 2500 2501 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2502 QLCNIC_MAX_TX_RINGS); 2503 if (!netdev) { 2504 err = -ENOMEM; 2505 goto err_out_iounmap; 2506 } 2507 2508 SET_NETDEV_DEV(netdev, &pdev->dev); 2509 2510 adapter = netdev_priv(netdev); 2511 adapter->netdev = netdev; 2512 adapter->pdev = pdev; 2513 adapter->ahw = ahw; 2514 2515 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2516 if (adapter->qlcnic_wq == NULL) { 2517 err = -ENOMEM; 2518 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2519 goto err_out_free_netdev; 2520 } 2521 2522 err = qlcnic_alloc_adapter_resources(adapter); 2523 if (err) 2524 goto err_out_free_wq; 2525 2526 adapter->dev_rst_time = jiffies; 2527 ahw->revision_id = pdev->revision; 2528 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2529 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2530 adapter->fdb_mac_learn = true; 2531 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2532 adapter->drv_mac_learn = true; 2533 2534 rwlock_init(&adapter->ahw->crb_lock); 2535 mutex_init(&adapter->ahw->mem_lock); 2536 2537 INIT_LIST_HEAD(&adapter->mac_list); 2538 2539 qlcnic_register_dcb(adapter); 2540 2541 if (qlcnic_82xx_check(adapter)) { 2542 qlcnic_check_vf(adapter, ent); 2543 adapter->portnum = adapter->ahw->pci_func; 2544 qlcnic_reset_api_lock(adapter); 2545 err = qlcnic_start_firmware(adapter); 2546 if (err) { 2547 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2548 "\t\tIf reboot doesn't help, try flashing the card\n"); 2549 goto err_out_maintenance_mode; 2550 } 2551 2552 /* compute and set default and max tx/sds rings */ 2553 if (adapter->ahw->msix_supported) { 2554 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2555 qlcnic_set_tx_ring_count(adapter, 2556 QLCNIC_SINGLE_RING); 2557 else 2558 qlcnic_set_tx_ring_count(adapter, 2559 QLCNIC_DEF_TX_RINGS); 2560 qlcnic_set_sds_ring_count(adapter, 2561 QLCNIC_DEF_SDS_RINGS); 2562 } else { 2563 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2564 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2565 } 2566 2567 err = qlcnic_setup_idc_param(adapter); 2568 if (err) 2569 goto err_out_free_hw; 2570 2571 adapter->flags |= QLCNIC_NEED_FLR; 2572 2573 } else if (qlcnic_83xx_check(adapter)) { 2574 qlcnic_83xx_check_vf(adapter, ent); 2575 adapter->portnum = adapter->ahw->pci_func; 2576 err = qlcnic_83xx_init(adapter, pci_using_dac); 2577 if (err) { 2578 switch (err) { 2579 case -ENOTRECOVERABLE: 2580 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2581 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2582 goto err_out_free_hw; 2583 case -ENOMEM: 2584 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2585 goto err_out_free_hw; 2586 case -EOPNOTSUPP: 2587 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2588 goto err_out_free_hw; 2589 default: 2590 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2591 goto err_out_maintenance_mode; 2592 } 2593 } 2594 2595 if (qlcnic_sriov_vf_check(adapter)) 2596 return 0; 2597 } else { 2598 dev_err(&pdev->dev, 2599 "%s: failed. Please Reboot\n", __func__); 2600 err = -ENODEV; 2601 goto err_out_free_hw; 2602 } 2603 2604 if (qlcnic_read_mac_addr(adapter)) 2605 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2606 2607 qlcnic_read_phys_port_id(adapter); 2608 2609 if (adapter->portnum == 0) { 2610 qlcnic_get_board_name(adapter, board_name); 2611 2612 pr_info("%s: %s Board Chip rev 0x%x\n", 2613 module_name(THIS_MODULE), 2614 board_name, adapter->ahw->revision_id); 2615 } 2616 2617 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2618 !!qlcnic_use_msi) 2619 dev_warn(&pdev->dev, 2620 "Device does not support MSI interrupts\n"); 2621 2622 if (qlcnic_82xx_check(adapter)) { 2623 qlcnic_dcb_enable(adapter->dcb); 2624 qlcnic_dcb_get_info(adapter->dcb); 2625 err = qlcnic_setup_intr(adapter); 2626 2627 if (err) { 2628 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2629 goto err_out_disable_msi; 2630 } 2631 } 2632 2633 err = qlcnic_get_act_pci_func(adapter); 2634 if (err) 2635 goto err_out_disable_mbx_intr; 2636 2637 if (adapter->portnum == 0) 2638 qlcnic_set_drv_version(adapter); 2639 2640 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2641 if (err) 2642 goto err_out_disable_mbx_intr; 2643 2644 pci_set_drvdata(pdev, adapter); 2645 2646 if (qlcnic_82xx_check(adapter)) 2647 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2648 FW_POLL_DELAY); 2649 2650 switch (adapter->ahw->port_type) { 2651 case QLCNIC_GBE: 2652 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2653 adapter->netdev->name); 2654 break; 2655 case QLCNIC_XGBE: 2656 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2657 adapter->netdev->name); 2658 break; 2659 } 2660 2661 if (adapter->drv_mac_learn) 2662 qlcnic_alloc_lb_filters_mem(adapter); 2663 2664 qlcnic_add_sysfs(adapter); 2665 qlcnic_register_hwmon_dev(adapter); 2666 return 0; 2667 2668 err_out_disable_mbx_intr: 2669 if (qlcnic_83xx_check(adapter)) 2670 qlcnic_83xx_free_mbx_intr(adapter); 2671 2672 err_out_disable_msi: 2673 qlcnic_teardown_intr(adapter); 2674 qlcnic_cancel_idc_work(adapter); 2675 qlcnic_clr_all_drv_state(adapter, 0); 2676 2677 err_out_free_hw: 2678 qlcnic_free_adapter_resources(adapter); 2679 2680 err_out_free_wq: 2681 destroy_workqueue(adapter->qlcnic_wq); 2682 2683 err_out_free_netdev: 2684 free_netdev(netdev); 2685 2686 err_out_iounmap: 2687 qlcnic_cleanup_pci_map(ahw); 2688 2689 err_out_free_hw_res: 2690 kfree(ahw); 2691 2692 err_out_free_res: 2693 pci_release_regions(pdev); 2694 2695 err_out_disable_pdev: 2696 pci_disable_device(pdev); 2697 return err; 2698 2699 err_out_maintenance_mode: 2700 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2701 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2702 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2703 ahw->port_type = QLCNIC_XGBE; 2704 2705 if (qlcnic_83xx_check(adapter)) 2706 adapter->tgt_status_reg = NULL; 2707 else 2708 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2709 2710 err = register_netdev(netdev); 2711 2712 if (err) { 2713 dev_err(&pdev->dev, "Failed to register net device\n"); 2714 qlcnic_clr_all_drv_state(adapter, 0); 2715 goto err_out_free_hw; 2716 } 2717 2718 pci_set_drvdata(pdev, adapter); 2719 qlcnic_add_sysfs(adapter); 2720 2721 return 0; 2722 } 2723 2724 static void qlcnic_remove(struct pci_dev *pdev) 2725 { 2726 struct qlcnic_adapter *adapter; 2727 struct net_device *netdev; 2728 struct qlcnic_hardware_context *ahw; 2729 2730 adapter = pci_get_drvdata(pdev); 2731 if (adapter == NULL) 2732 return; 2733 2734 netdev = adapter->netdev; 2735 2736 qlcnic_cancel_idc_work(adapter); 2737 qlcnic_sriov_pf_disable(adapter); 2738 ahw = adapter->ahw; 2739 2740 unregister_netdev(netdev); 2741 qlcnic_sriov_cleanup(adapter); 2742 2743 if (qlcnic_83xx_check(adapter)) { 2744 qlcnic_83xx_initialize_nic(adapter, 0); 2745 cancel_delayed_work_sync(&adapter->idc_aen_work); 2746 qlcnic_83xx_free_mbx_intr(adapter); 2747 qlcnic_83xx_detach_mailbox_work(adapter); 2748 qlcnic_83xx_free_mailbox(ahw->mailbox); 2749 kfree(ahw->fw_info); 2750 } 2751 2752 qlcnic_dcb_free(adapter->dcb); 2753 qlcnic_detach(adapter); 2754 kfree(adapter->npars); 2755 kfree(adapter->eswitch); 2756 2757 if (qlcnic_82xx_check(adapter)) 2758 qlcnic_clr_all_drv_state(adapter, 0); 2759 2760 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2761 2762 qlcnic_free_lb_filters_mem(adapter); 2763 2764 qlcnic_teardown_intr(adapter); 2765 2766 qlcnic_remove_sysfs(adapter); 2767 2768 qlcnic_unregister_hwmon_dev(adapter); 2769 2770 qlcnic_cleanup_pci_map(adapter->ahw); 2771 2772 qlcnic_release_firmware(adapter); 2773 2774 pci_disable_pcie_error_reporting(pdev); 2775 pci_release_regions(pdev); 2776 pci_disable_device(pdev); 2777 2778 if (adapter->qlcnic_wq) { 2779 destroy_workqueue(adapter->qlcnic_wq); 2780 adapter->qlcnic_wq = NULL; 2781 } 2782 2783 qlcnic_free_adapter_resources(adapter); 2784 kfree(ahw); 2785 free_netdev(netdev); 2786 } 2787 2788 static void qlcnic_shutdown(struct pci_dev *pdev) 2789 { 2790 if (__qlcnic_shutdown(pdev)) 2791 return; 2792 2793 pci_disable_device(pdev); 2794 } 2795 2796 static int __maybe_unused qlcnic_suspend(struct device *dev_d) 2797 { 2798 return __qlcnic_shutdown(to_pci_dev(dev_d)); 2799 } 2800 2801 static int __maybe_unused qlcnic_resume(struct device *dev_d) 2802 { 2803 struct qlcnic_adapter *adapter = dev_get_drvdata(dev_d); 2804 2805 return __qlcnic_resume(adapter); 2806 } 2807 2808 static int qlcnic_open(struct net_device *netdev) 2809 { 2810 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2811 int err; 2812 2813 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2814 netdev_err(netdev, "%s: Device is in non-operational state\n", 2815 __func__); 2816 2817 return -EIO; 2818 } 2819 2820 netif_carrier_off(netdev); 2821 2822 err = qlcnic_attach(adapter); 2823 if (err) 2824 return err; 2825 2826 err = __qlcnic_up(adapter, netdev); 2827 if (err) 2828 qlcnic_detach(adapter); 2829 2830 return err; 2831 } 2832 2833 /* 2834 * qlcnic_close - Disables a network interface entry point 2835 */ 2836 static int qlcnic_close(struct net_device *netdev) 2837 { 2838 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2839 2840 __qlcnic_down(adapter, netdev); 2841 2842 return 0; 2843 } 2844 2845 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2846 2847 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2848 { 2849 void *head; 2850 int i; 2851 struct net_device *netdev = adapter->netdev; 2852 u32 filter_size = 0; 2853 u16 act_pci_func = 0; 2854 2855 if (adapter->fhash.fmax && adapter->fhash.fhead) 2856 return; 2857 2858 act_pci_func = adapter->ahw->total_nic_func; 2859 spin_lock_init(&adapter->mac_learn_lock); 2860 spin_lock_init(&adapter->rx_mac_learn_lock); 2861 2862 if (qlcnic_sriov_vf_check(adapter)) { 2863 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2864 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2865 } else if (qlcnic_82xx_check(adapter)) { 2866 filter_size = QLCNIC_LB_MAX_FILTERS; 2867 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2868 } else { 2869 filter_size = QLC_83XX_LB_MAX_FILTERS; 2870 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2871 } 2872 2873 head = kcalloc(adapter->fhash.fbucket_size, 2874 sizeof(struct hlist_head), GFP_ATOMIC); 2875 2876 if (!head) 2877 return; 2878 2879 adapter->fhash.fmax = (filter_size / act_pci_func); 2880 adapter->fhash.fhead = head; 2881 2882 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2883 act_pci_func, adapter->fhash.fmax); 2884 2885 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2886 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2887 2888 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2889 2890 head = kcalloc(adapter->rx_fhash.fbucket_size, 2891 sizeof(struct hlist_head), GFP_ATOMIC); 2892 2893 if (!head) 2894 return; 2895 2896 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2897 adapter->rx_fhash.fhead = head; 2898 2899 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2900 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2901 } 2902 2903 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2904 { 2905 if (adapter->fhash.fmax) 2906 kfree(adapter->fhash.fhead); 2907 2908 adapter->fhash.fhead = NULL; 2909 adapter->fhash.fmax = 0; 2910 2911 if (adapter->rx_fhash.fmax) 2912 kfree(adapter->rx_fhash.fhead); 2913 2914 adapter->rx_fhash.fmax = 0; 2915 adapter->rx_fhash.fhead = NULL; 2916 } 2917 2918 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2919 { 2920 struct net_device *netdev = adapter->netdev; 2921 u32 temp_state, temp_val, temp = 0; 2922 int rv = 0; 2923 2924 if (qlcnic_83xx_check(adapter)) 2925 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2926 2927 if (qlcnic_82xx_check(adapter)) 2928 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2929 2930 temp_state = qlcnic_get_temp_state(temp); 2931 temp_val = qlcnic_get_temp_val(temp); 2932 2933 if (temp_state == QLCNIC_TEMP_PANIC) { 2934 dev_err(&netdev->dev, 2935 "Device temperature %d degrees C exceeds" 2936 " maximum allowed. Hardware has been shut down.\n", 2937 temp_val); 2938 rv = 1; 2939 } else if (temp_state == QLCNIC_TEMP_WARN) { 2940 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2941 dev_err(&netdev->dev, 2942 "Device temperature %d degrees C " 2943 "exceeds operating range." 2944 " Immediate action needed.\n", 2945 temp_val); 2946 } 2947 } else { 2948 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2949 dev_info(&netdev->dev, 2950 "Device temperature is now %d degrees C" 2951 " in normal range.\n", temp_val); 2952 } 2953 } 2954 adapter->ahw->temp = temp_state; 2955 return rv; 2956 } 2957 2958 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2959 { 2960 int i; 2961 2962 for (i = 0; i < tx_ring->num_desc; i++) { 2963 pr_info("TX Desc: %d\n", i); 2964 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 2965 &tx_ring->desc_head[i], 2966 sizeof(struct cmd_desc_type0), true); 2967 } 2968 } 2969 2970 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 2971 { 2972 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2973 struct net_device *netdev = adapter->netdev; 2974 struct qlcnic_host_rds_ring *rds_ring; 2975 struct qlcnic_host_sds_ring *sds_ring; 2976 struct qlcnic_host_tx_ring *tx_ring; 2977 int ring; 2978 2979 if (!netdev || !netif_running(netdev)) 2980 return; 2981 2982 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2983 rds_ring = &recv_ctx->rds_rings[ring]; 2984 if (!rds_ring) 2985 continue; 2986 netdev_info(netdev, 2987 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 2988 ring, readl(rds_ring->crb_rcv_producer), 2989 rds_ring->producer, rds_ring->num_desc); 2990 } 2991 2992 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2993 sds_ring = &(recv_ctx->sds_rings[ring]); 2994 if (!sds_ring) 2995 continue; 2996 netdev_info(netdev, 2997 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 2998 ring, readl(sds_ring->crb_sts_consumer), 2999 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3000 sds_ring->num_desc); 3001 } 3002 3003 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3004 tx_ring = &adapter->tx_ring[ring]; 3005 if (!tx_ring) 3006 continue; 3007 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3008 ring, tx_ring->ctx_id); 3009 netdev_info(netdev, 3010 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3011 tx_ring->tx_stats.xmit_finished, 3012 tx_ring->tx_stats.xmit_called, 3013 tx_ring->tx_stats.xmit_on, 3014 tx_ring->tx_stats.xmit_off); 3015 3016 if (tx_ring->crb_intr_mask) 3017 netdev_info(netdev, "crb_intr_mask=%d\n", 3018 readl(tx_ring->crb_intr_mask)); 3019 3020 netdev_info(netdev, 3021 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3022 readl(tx_ring->crb_cmd_producer), 3023 tx_ring->producer, tx_ring->sw_consumer, 3024 le32_to_cpu(*(tx_ring->hw_consumer))); 3025 3026 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3027 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3028 3029 if (netif_msg_tx_err(adapter->ahw)) 3030 dump_tx_ring_desc(tx_ring); 3031 } 3032 3033 } 3034 3035 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue) 3036 { 3037 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3038 3039 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3040 return; 3041 3042 qlcnic_dump_rings(adapter); 3043 3044 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3045 netif_msg_tx_err(adapter->ahw)) { 3046 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3047 if (qlcnic_82xx_check(adapter)) 3048 adapter->need_fw_reset = 1; 3049 else if (qlcnic_83xx_check(adapter)) 3050 qlcnic_83xx_idc_request_reset(adapter, 3051 QLCNIC_FORCE_FW_DUMP_KEY); 3052 } else { 3053 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3054 adapter->ahw->reset_context = 1; 3055 } 3056 } 3057 3058 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3059 { 3060 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3061 struct net_device_stats *stats = &netdev->stats; 3062 3063 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3064 qlcnic_update_stats(adapter); 3065 3066 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3067 stats->tx_packets = adapter->stats.xmitfinished; 3068 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3069 stats->tx_bytes = adapter->stats.txbytes; 3070 stats->rx_dropped = adapter->stats.rxdropped; 3071 stats->tx_dropped = adapter->stats.txdropped; 3072 3073 return stats; 3074 } 3075 3076 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3077 { 3078 u32 status; 3079 3080 status = readl(adapter->isr_int_vec); 3081 3082 if (!(status & adapter->ahw->int_vec_bit)) 3083 return IRQ_NONE; 3084 3085 /* check interrupt state machine, to be sure */ 3086 status = readl(adapter->crb_int_state_reg); 3087 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3088 return IRQ_NONE; 3089 3090 writel(0xffffffff, adapter->tgt_status_reg); 3091 /* read twice to ensure write is flushed */ 3092 readl(adapter->isr_int_vec); 3093 readl(adapter->isr_int_vec); 3094 3095 return IRQ_HANDLED; 3096 } 3097 3098 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3099 { 3100 struct qlcnic_host_sds_ring *sds_ring = data; 3101 struct qlcnic_adapter *adapter = sds_ring->adapter; 3102 3103 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3104 goto done; 3105 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3106 writel(0xffffffff, adapter->tgt_status_reg); 3107 goto done; 3108 } 3109 3110 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3111 return IRQ_NONE; 3112 3113 done: 3114 adapter->ahw->diag_cnt++; 3115 qlcnic_enable_sds_intr(adapter, sds_ring); 3116 return IRQ_HANDLED; 3117 } 3118 3119 static irqreturn_t qlcnic_intr(int irq, void *data) 3120 { 3121 struct qlcnic_host_sds_ring *sds_ring = data; 3122 struct qlcnic_adapter *adapter = sds_ring->adapter; 3123 3124 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3125 return IRQ_NONE; 3126 3127 napi_schedule(&sds_ring->napi); 3128 3129 return IRQ_HANDLED; 3130 } 3131 3132 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3133 { 3134 struct qlcnic_host_sds_ring *sds_ring = data; 3135 struct qlcnic_adapter *adapter = sds_ring->adapter; 3136 3137 /* clear interrupt */ 3138 writel(0xffffffff, adapter->tgt_status_reg); 3139 3140 napi_schedule(&sds_ring->napi); 3141 return IRQ_HANDLED; 3142 } 3143 3144 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3145 { 3146 struct qlcnic_host_sds_ring *sds_ring = data; 3147 3148 napi_schedule(&sds_ring->napi); 3149 return IRQ_HANDLED; 3150 } 3151 3152 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3153 { 3154 struct qlcnic_host_tx_ring *tx_ring = data; 3155 3156 napi_schedule(&tx_ring->napi); 3157 return IRQ_HANDLED; 3158 } 3159 3160 static void 3161 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3162 { 3163 u32 val; 3164 3165 val = adapter->portnum & 0xf; 3166 val |= encoding << 7; 3167 val |= (jiffies - adapter->dev_rst_time) << 8; 3168 3169 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3170 adapter->dev_rst_time = jiffies; 3171 } 3172 3173 static int 3174 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3175 { 3176 u32 val; 3177 3178 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3179 state != QLCNIC_DEV_NEED_QUISCENT); 3180 3181 if (qlcnic_api_lock(adapter)) 3182 return -EIO; 3183 3184 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3185 3186 if (state == QLCNIC_DEV_NEED_RESET) 3187 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3188 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3189 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3190 3191 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3192 3193 qlcnic_api_unlock(adapter); 3194 3195 return 0; 3196 } 3197 3198 static int 3199 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3200 { 3201 u32 val; 3202 3203 if (qlcnic_api_lock(adapter)) 3204 return -EBUSY; 3205 3206 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3207 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3208 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3209 3210 qlcnic_api_unlock(adapter); 3211 3212 return 0; 3213 } 3214 3215 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3216 { 3217 u32 val; 3218 3219 if (qlcnic_api_lock(adapter)) 3220 goto err; 3221 3222 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3223 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3224 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3225 3226 if (failed) { 3227 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3228 QLCNIC_DEV_FAILED); 3229 dev_info(&adapter->pdev->dev, 3230 "Device state set to Failed. Please Reboot\n"); 3231 } else if (!(val & 0x11111111)) 3232 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3233 QLCNIC_DEV_COLD); 3234 3235 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3236 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3237 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3238 3239 qlcnic_api_unlock(adapter); 3240 err: 3241 adapter->fw_fail_cnt = 0; 3242 adapter->flags &= ~QLCNIC_FW_HANG; 3243 clear_bit(__QLCNIC_START_FW, &adapter->state); 3244 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3245 } 3246 3247 /* Grab api lock, before checking state */ 3248 static int 3249 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3250 { 3251 int act, state, active_mask; 3252 struct qlcnic_hardware_context *ahw = adapter->ahw; 3253 3254 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3255 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3256 3257 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3258 active_mask = (~(1 << (ahw->pci_func * 4))); 3259 act = act & active_mask; 3260 } 3261 3262 if (((state & 0x11111111) == (act & 0x11111111)) || 3263 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3264 return 0; 3265 else 3266 return 1; 3267 } 3268 3269 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3270 { 3271 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3272 3273 if (val != QLCNIC_DRV_IDC_VER) { 3274 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3275 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3276 } 3277 3278 return 0; 3279 } 3280 3281 static int 3282 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3283 { 3284 u32 val, prev_state; 3285 u8 dev_init_timeo = adapter->dev_init_timeo; 3286 u8 portnum = adapter->portnum; 3287 u8 ret; 3288 3289 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3290 return 1; 3291 3292 if (qlcnic_api_lock(adapter)) 3293 return -1; 3294 3295 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3296 if (!(val & (1 << (portnum * 4)))) { 3297 QLC_DEV_SET_REF_CNT(val, portnum); 3298 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3299 } 3300 3301 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3302 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3303 3304 switch (prev_state) { 3305 case QLCNIC_DEV_COLD: 3306 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3307 QLCNIC_DEV_INITIALIZING); 3308 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3309 QLCNIC_DRV_IDC_VER); 3310 qlcnic_idc_debug_info(adapter, 0); 3311 qlcnic_api_unlock(adapter); 3312 return 1; 3313 3314 case QLCNIC_DEV_READY: 3315 ret = qlcnic_check_idc_ver(adapter); 3316 qlcnic_api_unlock(adapter); 3317 return ret; 3318 3319 case QLCNIC_DEV_NEED_RESET: 3320 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3321 QLC_DEV_SET_RST_RDY(val, portnum); 3322 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3323 break; 3324 3325 case QLCNIC_DEV_NEED_QUISCENT: 3326 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3327 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3328 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3329 break; 3330 3331 case QLCNIC_DEV_FAILED: 3332 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3333 qlcnic_api_unlock(adapter); 3334 return -1; 3335 3336 case QLCNIC_DEV_INITIALIZING: 3337 case QLCNIC_DEV_QUISCENT: 3338 break; 3339 } 3340 3341 qlcnic_api_unlock(adapter); 3342 3343 do { 3344 msleep(1000); 3345 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3346 3347 if (prev_state == QLCNIC_DEV_QUISCENT) 3348 continue; 3349 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3350 3351 if (!dev_init_timeo) { 3352 dev_err(&adapter->pdev->dev, 3353 "Waiting for device to initialize timeout\n"); 3354 return -1; 3355 } 3356 3357 if (qlcnic_api_lock(adapter)) 3358 return -1; 3359 3360 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3361 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3362 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3363 3364 ret = qlcnic_check_idc_ver(adapter); 3365 qlcnic_api_unlock(adapter); 3366 3367 return ret; 3368 } 3369 3370 static void 3371 qlcnic_fwinit_work(struct work_struct *work) 3372 { 3373 struct qlcnic_adapter *adapter = container_of(work, 3374 struct qlcnic_adapter, fw_work.work); 3375 u32 dev_state = 0xf; 3376 u32 val; 3377 3378 if (qlcnic_api_lock(adapter)) 3379 goto err_ret; 3380 3381 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3382 if (dev_state == QLCNIC_DEV_QUISCENT || 3383 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3384 qlcnic_api_unlock(adapter); 3385 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3386 FW_POLL_DELAY * 2); 3387 return; 3388 } 3389 3390 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3391 qlcnic_api_unlock(adapter); 3392 goto wait_npar; 3393 } 3394 3395 if (dev_state == QLCNIC_DEV_INITIALIZING || 3396 dev_state == QLCNIC_DEV_READY) { 3397 dev_info(&adapter->pdev->dev, "Detected state change from " 3398 "DEV_NEED_RESET, skipping ack check\n"); 3399 goto skip_ack_check; 3400 } 3401 3402 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3403 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3404 adapter->reset_ack_timeo); 3405 goto skip_ack_check; 3406 } 3407 3408 if (!qlcnic_check_drv_state(adapter)) { 3409 skip_ack_check: 3410 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3411 3412 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3413 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3414 QLCNIC_DEV_INITIALIZING); 3415 set_bit(__QLCNIC_START_FW, &adapter->state); 3416 QLCDB(adapter, DRV, "Restarting fw\n"); 3417 qlcnic_idc_debug_info(adapter, 0); 3418 val = QLC_SHARED_REG_RD32(adapter, 3419 QLCNIC_CRB_DRV_STATE); 3420 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3421 QLC_SHARED_REG_WR32(adapter, 3422 QLCNIC_CRB_DRV_STATE, val); 3423 } 3424 3425 qlcnic_api_unlock(adapter); 3426 3427 rtnl_lock(); 3428 if (qlcnic_check_fw_dump_state(adapter) && 3429 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3430 QLCDB(adapter, DRV, "Take FW dump\n"); 3431 qlcnic_dump_fw(adapter); 3432 adapter->flags |= QLCNIC_FW_HANG; 3433 } 3434 rtnl_unlock(); 3435 3436 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3437 if (!adapter->nic_ops->start_firmware(adapter)) { 3438 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3439 adapter->fw_wait_cnt = 0; 3440 return; 3441 } 3442 goto err_ret; 3443 } 3444 3445 qlcnic_api_unlock(adapter); 3446 3447 wait_npar: 3448 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3449 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3450 3451 switch (dev_state) { 3452 case QLCNIC_DEV_READY: 3453 if (!qlcnic_start_firmware(adapter)) { 3454 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3455 adapter->fw_wait_cnt = 0; 3456 return; 3457 } 3458 case QLCNIC_DEV_FAILED: 3459 break; 3460 default: 3461 qlcnic_schedule_work(adapter, 3462 qlcnic_fwinit_work, FW_POLL_DELAY); 3463 return; 3464 } 3465 3466 err_ret: 3467 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3468 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3469 netif_device_attach(adapter->netdev); 3470 qlcnic_clr_all_drv_state(adapter, 0); 3471 } 3472 3473 static void 3474 qlcnic_detach_work(struct work_struct *work) 3475 { 3476 struct qlcnic_adapter *adapter = container_of(work, 3477 struct qlcnic_adapter, fw_work.work); 3478 struct net_device *netdev = adapter->netdev; 3479 u32 status; 3480 3481 netif_device_detach(netdev); 3482 3483 /* Dont grab rtnl lock during Quiscent mode */ 3484 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3485 if (netif_running(netdev)) 3486 __qlcnic_down(adapter, netdev); 3487 } else 3488 qlcnic_down(adapter, netdev); 3489 3490 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3491 3492 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3493 dev_err(&adapter->pdev->dev, 3494 "Detaching the device: peg halt status1=0x%x\n", 3495 status); 3496 3497 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3498 dev_err(&adapter->pdev->dev, 3499 "On board active cooling fan failed. " 3500 "Device has been halted.\n"); 3501 dev_err(&adapter->pdev->dev, 3502 "Replace the adapter.\n"); 3503 } 3504 3505 goto err_ret; 3506 } 3507 3508 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3509 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3510 adapter->ahw->temp); 3511 goto err_ret; 3512 } 3513 3514 /* Dont ack if this instance is the reset owner */ 3515 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3516 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3517 dev_err(&adapter->pdev->dev, 3518 "Failed to set driver state," 3519 "detaching the device.\n"); 3520 goto err_ret; 3521 } 3522 } 3523 3524 adapter->fw_wait_cnt = 0; 3525 3526 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3527 3528 return; 3529 3530 err_ret: 3531 netif_device_attach(netdev); 3532 qlcnic_clr_all_drv_state(adapter, 1); 3533 } 3534 3535 /*Transit NPAR state to NON Operational */ 3536 static void 3537 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3538 { 3539 u32 state; 3540 3541 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3542 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3543 return; 3544 3545 if (qlcnic_api_lock(adapter)) 3546 return; 3547 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3548 QLCNIC_DEV_NPAR_NON_OPER); 3549 qlcnic_api_unlock(adapter); 3550 } 3551 3552 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3553 u32 key) 3554 { 3555 u32 state, xg_val = 0, gb_val = 0; 3556 3557 qlcnic_xg_set_xg0_mask(xg_val); 3558 qlcnic_xg_set_xg1_mask(xg_val); 3559 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3560 qlcnic_gb_set_gb0_mask(gb_val); 3561 qlcnic_gb_set_gb1_mask(gb_val); 3562 qlcnic_gb_set_gb2_mask(gb_val); 3563 qlcnic_gb_set_gb3_mask(gb_val); 3564 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3565 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3566 " on all ports\n"); 3567 adapter->need_fw_reset = 1; 3568 3569 if (qlcnic_api_lock(adapter)) 3570 return; 3571 3572 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3573 3574 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3575 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3576 __func__); 3577 qlcnic_api_unlock(adapter); 3578 3579 return; 3580 } 3581 3582 if (state == QLCNIC_DEV_READY) { 3583 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3584 QLCNIC_DEV_NEED_RESET); 3585 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3586 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3587 qlcnic_idc_debug_info(adapter, 0); 3588 } 3589 3590 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3591 QLCNIC_DEV_NPAR_NON_OPER); 3592 qlcnic_api_unlock(adapter); 3593 } 3594 3595 /* Transit to NPAR READY state from NPAR NOT READY state */ 3596 static void 3597 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3598 { 3599 if (qlcnic_api_lock(adapter)) 3600 return; 3601 3602 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3603 QLCNIC_DEV_NPAR_OPER); 3604 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3605 3606 qlcnic_api_unlock(adapter); 3607 } 3608 3609 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3610 work_func_t func, int delay) 3611 { 3612 if (test_bit(__QLCNIC_AER, &adapter->state)) 3613 return; 3614 3615 INIT_DELAYED_WORK(&adapter->fw_work, func); 3616 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3617 round_jiffies_relative(delay)); 3618 } 3619 3620 static void 3621 qlcnic_attach_work(struct work_struct *work) 3622 { 3623 struct qlcnic_adapter *adapter = container_of(work, 3624 struct qlcnic_adapter, fw_work.work); 3625 struct net_device *netdev = adapter->netdev; 3626 u32 npar_state; 3627 3628 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3629 npar_state = QLC_SHARED_REG_RD32(adapter, 3630 QLCNIC_CRB_DEV_NPAR_STATE); 3631 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3632 qlcnic_clr_all_drv_state(adapter, 0); 3633 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3634 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3635 FW_POLL_DELAY); 3636 else 3637 goto attach; 3638 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3639 return; 3640 } 3641 attach: 3642 qlcnic_dcb_get_info(adapter->dcb); 3643 3644 if (netif_running(netdev)) { 3645 if (qlcnic_up(adapter, netdev)) 3646 goto done; 3647 3648 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3649 } 3650 3651 done: 3652 netif_device_attach(netdev); 3653 adapter->fw_fail_cnt = 0; 3654 adapter->flags &= ~QLCNIC_FW_HANG; 3655 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3656 if (adapter->portnum == 0) 3657 qlcnic_set_drv_version(adapter); 3658 3659 if (!qlcnic_clr_drv_state(adapter)) 3660 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3661 FW_POLL_DELAY); 3662 } 3663 3664 static int 3665 qlcnic_check_health(struct qlcnic_adapter *adapter) 3666 { 3667 struct qlcnic_hardware_context *ahw = adapter->ahw; 3668 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3669 u32 state = 0, heartbeat; 3670 u32 peg_status; 3671 int err = 0; 3672 3673 if (qlcnic_check_temp(adapter)) 3674 goto detach; 3675 3676 if (adapter->need_fw_reset) 3677 qlcnic_dev_request_reset(adapter, 0); 3678 3679 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3680 if (state == QLCNIC_DEV_NEED_RESET) { 3681 qlcnic_set_npar_non_operational(adapter); 3682 adapter->need_fw_reset = 1; 3683 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3684 goto detach; 3685 3686 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3687 if (heartbeat != adapter->heartbeat) { 3688 adapter->heartbeat = heartbeat; 3689 adapter->fw_fail_cnt = 0; 3690 if (adapter->need_fw_reset) 3691 goto detach; 3692 3693 if (ahw->reset_context && qlcnic_auto_fw_reset) 3694 qlcnic_reset_hw_context(adapter); 3695 3696 return 0; 3697 } 3698 3699 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3700 return 0; 3701 3702 adapter->flags |= QLCNIC_FW_HANG; 3703 3704 qlcnic_dev_request_reset(adapter, 0); 3705 3706 if (qlcnic_auto_fw_reset) 3707 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3708 3709 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3710 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3711 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3712 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3713 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3714 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3715 "PEG_NET_4_PC: 0x%x\n", 3716 peg_status, 3717 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3718 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3719 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3720 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3721 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3722 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3723 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3724 dev_err(&adapter->pdev->dev, 3725 "Firmware aborted with error code 0x00006700. " 3726 "Device is being reset.\n"); 3727 detach: 3728 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3729 QLCNIC_DEV_NEED_RESET; 3730 3731 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3732 &adapter->state)) { 3733 3734 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3735 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3736 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3737 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3738 qlcnic_dump_fw(adapter); 3739 } 3740 3741 return 1; 3742 } 3743 3744 void qlcnic_fw_poll_work(struct work_struct *work) 3745 { 3746 struct qlcnic_adapter *adapter = container_of(work, 3747 struct qlcnic_adapter, fw_work.work); 3748 3749 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3750 goto reschedule; 3751 3752 3753 if (qlcnic_check_health(adapter)) 3754 return; 3755 3756 if (adapter->fhash.fnum) 3757 qlcnic_prune_lb_filters(adapter); 3758 3759 reschedule: 3760 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3761 } 3762 3763 static int qlcnic_is_first_func(struct pci_dev *pdev) 3764 { 3765 struct pci_dev *oth_pdev; 3766 int val = pdev->devfn; 3767 3768 while (val-- > 0) { 3769 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3770 (pdev->bus), pdev->bus->number, 3771 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3772 if (!oth_pdev) 3773 continue; 3774 3775 if (oth_pdev->current_state != PCI_D3cold) { 3776 pci_dev_put(oth_pdev); 3777 return 0; 3778 } 3779 pci_dev_put(oth_pdev); 3780 } 3781 return 1; 3782 } 3783 3784 static int qlcnic_attach_func(struct pci_dev *pdev) 3785 { 3786 int err, first_func; 3787 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3788 struct net_device *netdev = adapter->netdev; 3789 3790 pdev->error_state = pci_channel_io_normal; 3791 3792 err = pci_enable_device(pdev); 3793 if (err) 3794 return err; 3795 3796 pci_set_master(pdev); 3797 pci_restore_state(pdev); 3798 3799 first_func = qlcnic_is_first_func(pdev); 3800 3801 if (qlcnic_api_lock(adapter)) 3802 return -EINVAL; 3803 3804 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3805 adapter->need_fw_reset = 1; 3806 set_bit(__QLCNIC_START_FW, &adapter->state); 3807 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3808 QLCNIC_DEV_INITIALIZING); 3809 QLCDB(adapter, DRV, "Restarting fw\n"); 3810 } 3811 qlcnic_api_unlock(adapter); 3812 3813 err = qlcnic_start_firmware(adapter); 3814 if (err) 3815 return err; 3816 3817 qlcnic_clr_drv_state(adapter); 3818 kfree(adapter->msix_entries); 3819 adapter->msix_entries = NULL; 3820 err = qlcnic_setup_intr(adapter); 3821 3822 if (err) { 3823 kfree(adapter->msix_entries); 3824 netdev_err(netdev, "failed to setup interrupt\n"); 3825 return err; 3826 } 3827 3828 if (netif_running(netdev)) { 3829 err = qlcnic_attach(adapter); 3830 if (err) { 3831 qlcnic_clr_all_drv_state(adapter, 1); 3832 clear_bit(__QLCNIC_AER, &adapter->state); 3833 netif_device_attach(netdev); 3834 return err; 3835 } 3836 3837 err = qlcnic_up(adapter, netdev); 3838 if (err) 3839 goto done; 3840 3841 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3842 } 3843 done: 3844 netif_device_attach(netdev); 3845 return err; 3846 } 3847 3848 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3849 pci_channel_state_t state) 3850 { 3851 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3852 struct net_device *netdev = adapter->netdev; 3853 3854 if (state == pci_channel_io_perm_failure) 3855 return PCI_ERS_RESULT_DISCONNECT; 3856 3857 if (state == pci_channel_io_normal) 3858 return PCI_ERS_RESULT_RECOVERED; 3859 3860 set_bit(__QLCNIC_AER, &adapter->state); 3861 netif_device_detach(netdev); 3862 3863 cancel_delayed_work_sync(&adapter->fw_work); 3864 3865 if (netif_running(netdev)) 3866 qlcnic_down(adapter, netdev); 3867 3868 qlcnic_detach(adapter); 3869 qlcnic_teardown_intr(adapter); 3870 3871 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3872 3873 pci_save_state(pdev); 3874 pci_disable_device(pdev); 3875 3876 return PCI_ERS_RESULT_NEED_RESET; 3877 } 3878 3879 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3880 { 3881 pci_ers_result_t res; 3882 3883 rtnl_lock(); 3884 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3885 PCI_ERS_RESULT_RECOVERED; 3886 rtnl_unlock(); 3887 3888 return res; 3889 } 3890 3891 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3892 { 3893 u32 state; 3894 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3895 3896 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3897 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3898 &adapter->state)) 3899 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3900 FW_POLL_DELAY); 3901 } 3902 3903 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3904 pci_channel_state_t state) 3905 { 3906 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3907 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3908 3909 if (hw_ops->io_error_detected) { 3910 return hw_ops->io_error_detected(pdev, state); 3911 } else { 3912 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3913 return PCI_ERS_RESULT_DISCONNECT; 3914 } 3915 } 3916 3917 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3918 { 3919 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3920 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3921 3922 if (hw_ops->io_slot_reset) { 3923 return hw_ops->io_slot_reset(pdev); 3924 } else { 3925 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3926 return PCI_ERS_RESULT_DISCONNECT; 3927 } 3928 } 3929 3930 static void qlcnic_io_resume(struct pci_dev *pdev) 3931 { 3932 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3933 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3934 3935 if (hw_ops->io_resume) 3936 hw_ops->io_resume(pdev); 3937 else 3938 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3939 } 3940 3941 3942 static int 3943 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3944 { 3945 int err; 3946 3947 err = qlcnic_can_start_firmware(adapter); 3948 if (err) 3949 return err; 3950 3951 err = qlcnic_check_npar_opertional(adapter); 3952 if (err) 3953 return err; 3954 3955 err = qlcnic_initialize_nic(adapter); 3956 if (err) 3957 return err; 3958 3959 qlcnic_check_options(adapter); 3960 3961 err = qlcnic_set_eswitch_port_config(adapter); 3962 if (err) 3963 return err; 3964 3965 adapter->need_fw_reset = 0; 3966 3967 return err; 3968 } 3969 3970 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 3971 int queue_type) 3972 { 3973 struct net_device *netdev = adapter->netdev; 3974 char buf[8]; 3975 3976 if (queue_type == QLCNIC_RX_QUEUE) 3977 strcpy(buf, "SDS"); 3978 else 3979 strcpy(buf, "Tx"); 3980 3981 if (!is_power_of_2(ring_cnt)) { 3982 netdev_err(netdev, "%s rings value should be a power of 2\n", 3983 buf); 3984 return -EINVAL; 3985 } 3986 3987 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 3988 !qlcnic_check_multi_tx(adapter)) { 3989 netdev_err(netdev, "No Multi Tx queue support\n"); 3990 return -EINVAL; 3991 } 3992 3993 if (ring_cnt > num_online_cpus()) { 3994 netdev_err(netdev, 3995 "%s value[%u] should not be higher than, number of online CPUs\n", 3996 buf, num_online_cpus()); 3997 return -EINVAL; 3998 } 3999 4000 return 0; 4001 } 4002 4003 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4004 { 4005 struct net_device *netdev = adapter->netdev; 4006 u8 tx_rings, rx_rings; 4007 int err; 4008 4009 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4010 return -EBUSY; 4011 4012 tx_rings = adapter->drv_tss_rings; 4013 rx_rings = adapter->drv_rss_rings; 4014 4015 netif_device_detach(netdev); 4016 4017 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4018 if (err) 4019 goto done; 4020 4021 if (netif_running(netdev)) 4022 __qlcnic_down(adapter, netdev); 4023 4024 qlcnic_detach(adapter); 4025 4026 if (qlcnic_83xx_check(adapter)) { 4027 qlcnic_83xx_free_mbx_intr(adapter); 4028 qlcnic_83xx_enable_mbx_poll(adapter); 4029 } 4030 4031 qlcnic_teardown_intr(adapter); 4032 4033 err = qlcnic_setup_intr(adapter); 4034 if (err) { 4035 kfree(adapter->msix_entries); 4036 netdev_err(netdev, "failed to setup interrupt\n"); 4037 return err; 4038 } 4039 4040 /* Check if we need to update real_num_{tx|rx}_queues because 4041 * qlcnic_setup_intr() may change Tx/Rx rings size 4042 */ 4043 if ((tx_rings != adapter->drv_tx_rings) || 4044 (rx_rings != adapter->drv_sds_rings)) { 4045 err = qlcnic_set_real_num_queues(adapter, 4046 adapter->drv_tx_rings, 4047 adapter->drv_sds_rings); 4048 if (err) 4049 goto done; 4050 } 4051 4052 if (qlcnic_83xx_check(adapter)) { 4053 qlcnic_83xx_initialize_nic(adapter, 1); 4054 err = qlcnic_83xx_setup_mbx_intr(adapter); 4055 qlcnic_83xx_disable_mbx_poll(adapter); 4056 if (err) { 4057 dev_err(&adapter->pdev->dev, 4058 "failed to setup mbx interrupt\n"); 4059 goto done; 4060 } 4061 } 4062 4063 if (netif_running(netdev)) { 4064 err = qlcnic_attach(adapter); 4065 if (err) 4066 goto done; 4067 err = __qlcnic_up(adapter, netdev); 4068 if (err) 4069 goto done; 4070 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4071 } 4072 done: 4073 netif_device_attach(netdev); 4074 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4075 return err; 4076 } 4077 4078 #ifdef CONFIG_INET 4079 4080 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4081 4082 static void 4083 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4084 struct net_device *dev, unsigned long event) 4085 { 4086 const struct in_ifaddr *ifa; 4087 struct in_device *indev; 4088 4089 indev = in_dev_get(dev); 4090 if (!indev) 4091 return; 4092 4093 in_dev_for_each_ifa_rtnl(ifa, indev) { 4094 switch (event) { 4095 case NETDEV_UP: 4096 qlcnic_config_ipaddr(adapter, 4097 ifa->ifa_address, QLCNIC_IP_UP); 4098 break; 4099 case NETDEV_DOWN: 4100 qlcnic_config_ipaddr(adapter, 4101 ifa->ifa_address, QLCNIC_IP_DOWN); 4102 break; 4103 default: 4104 break; 4105 } 4106 } 4107 4108 in_dev_put(indev); 4109 } 4110 4111 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4112 { 4113 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4114 struct net_device *dev; 4115 u16 vid; 4116 4117 qlcnic_config_indev_addr(adapter, netdev, event); 4118 4119 rcu_read_lock(); 4120 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4121 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4122 if (!dev) 4123 continue; 4124 qlcnic_config_indev_addr(adapter, dev, event); 4125 } 4126 rcu_read_unlock(); 4127 } 4128 4129 static int qlcnic_netdev_event(struct notifier_block *this, 4130 unsigned long event, void *ptr) 4131 { 4132 struct qlcnic_adapter *adapter; 4133 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4134 4135 recheck: 4136 if (dev == NULL) 4137 goto done; 4138 4139 if (is_vlan_dev(dev)) { 4140 dev = vlan_dev_real_dev(dev); 4141 goto recheck; 4142 } 4143 4144 if (!is_qlcnic_netdev(dev)) 4145 goto done; 4146 4147 adapter = netdev_priv(dev); 4148 4149 if (!adapter) 4150 goto done; 4151 4152 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4153 goto done; 4154 4155 qlcnic_config_indev_addr(adapter, dev, event); 4156 done: 4157 return NOTIFY_DONE; 4158 } 4159 4160 static int 4161 qlcnic_inetaddr_event(struct notifier_block *this, 4162 unsigned long event, void *ptr) 4163 { 4164 struct qlcnic_adapter *adapter; 4165 struct net_device *dev; 4166 4167 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4168 4169 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4170 4171 recheck: 4172 if (dev == NULL) 4173 goto done; 4174 4175 if (is_vlan_dev(dev)) { 4176 dev = vlan_dev_real_dev(dev); 4177 goto recheck; 4178 } 4179 4180 if (!is_qlcnic_netdev(dev)) 4181 goto done; 4182 4183 adapter = netdev_priv(dev); 4184 4185 if (!adapter) 4186 goto done; 4187 4188 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4189 goto done; 4190 4191 switch (event) { 4192 case NETDEV_UP: 4193 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4194 4195 break; 4196 case NETDEV_DOWN: 4197 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4198 4199 break; 4200 default: 4201 break; 4202 } 4203 4204 done: 4205 return NOTIFY_DONE; 4206 } 4207 4208 static struct notifier_block qlcnic_netdev_cb = { 4209 .notifier_call = qlcnic_netdev_event, 4210 }; 4211 4212 static struct notifier_block qlcnic_inetaddr_cb = { 4213 .notifier_call = qlcnic_inetaddr_event, 4214 }; 4215 #else 4216 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4217 { } 4218 #endif 4219 static const struct pci_error_handlers qlcnic_err_handler = { 4220 .error_detected = qlcnic_io_error_detected, 4221 .slot_reset = qlcnic_io_slot_reset, 4222 .resume = qlcnic_io_resume, 4223 }; 4224 4225 static SIMPLE_DEV_PM_OPS(qlcnic_pm_ops, qlcnic_suspend, qlcnic_resume); 4226 4227 static struct pci_driver qlcnic_driver = { 4228 .name = qlcnic_driver_name, 4229 .id_table = qlcnic_pci_tbl, 4230 .probe = qlcnic_probe, 4231 .remove = qlcnic_remove, 4232 .driver.pm = &qlcnic_pm_ops, 4233 .shutdown = qlcnic_shutdown, 4234 .err_handler = &qlcnic_err_handler, 4235 #ifdef CONFIG_QLCNIC_SRIOV 4236 .sriov_configure = qlcnic_pci_sriov_configure, 4237 #endif 4238 4239 }; 4240 4241 static int __init qlcnic_init_module(void) 4242 { 4243 int ret; 4244 4245 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4246 4247 #ifdef CONFIG_INET 4248 register_netdevice_notifier(&qlcnic_netdev_cb); 4249 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4250 #endif 4251 4252 ret = pci_register_driver(&qlcnic_driver); 4253 if (ret) { 4254 #ifdef CONFIG_INET 4255 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4256 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4257 #endif 4258 } 4259 4260 return ret; 4261 } 4262 4263 module_init(qlcnic_init_module); 4264 4265 static void __exit qlcnic_exit_module(void) 4266 { 4267 pci_unregister_driver(&qlcnic_driver); 4268 4269 #ifdef CONFIG_INET 4270 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4271 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4272 #endif 4273 } 4274 4275 module_exit(qlcnic_exit_module); 4276