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