1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * QLogic qlcnic NIC Driver 4 * Copyright (c) 2009-2013 QLogic Corporation 5 */ 6 7 #include <linux/vmalloc.h> 8 #include <linux/interrupt.h> 9 #include <linux/swab.h> 10 #include <linux/dma-mapping.h> 11 #include <linux/if_vlan.h> 12 #include <net/ip.h> 13 #include <linux/ipv6.h> 14 #include <linux/inetdevice.h> 15 #include <linux/aer.h> 16 #include <linux/log2.h> 17 #include <linux/pci.h> 18 #include <net/vxlan.h> 19 20 #include "qlcnic.h" 21 #include "qlcnic_sriov.h" 22 #include "qlcnic_hw.h" 23 24 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 25 MODULE_LICENSE("GPL"); 26 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 27 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 28 29 char qlcnic_driver_name[] = "qlcnic"; 30 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 31 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 32 33 static int qlcnic_mac_learn; 34 module_param(qlcnic_mac_learn, int, 0444); 35 MODULE_PARM_DESC(qlcnic_mac_learn, 36 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 37 38 int qlcnic_use_msi = 1; 39 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 40 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 41 42 int qlcnic_use_msi_x = 1; 43 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 44 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 45 46 int qlcnic_auto_fw_reset = 1; 47 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 48 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 49 50 int qlcnic_load_fw_file; 51 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)"); 52 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 53 54 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 55 static void qlcnic_remove(struct pci_dev *pdev); 56 static int qlcnic_open(struct net_device *netdev); 57 static int qlcnic_close(struct net_device *netdev); 58 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue); 59 static void qlcnic_attach_work(struct work_struct *work); 60 static void qlcnic_fwinit_work(struct work_struct *work); 61 62 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 63 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 64 65 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 66 static irqreturn_t qlcnic_intr(int irq, void *data); 67 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 68 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 69 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 70 71 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 72 static int qlcnic_start_firmware(struct qlcnic_adapter *); 73 74 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 75 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 76 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 77 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 78 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 79 80 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 81 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 82 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 83 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 84 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 85 static void qlcnic_82xx_io_resume(struct pci_dev *); 86 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 87 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 88 pci_channel_state_t); 89 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 90 { 91 struct qlcnic_hardware_context *ahw = adapter->ahw; 92 93 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 94 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 95 else 96 return 1; 97 } 98 99 /* PCI Device ID Table */ 100 #define ENTRY(device) \ 101 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 102 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 103 104 static const struct pci_device_id qlcnic_pci_tbl[] = { 105 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 106 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 107 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 108 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), 109 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30), 110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 111 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 112 {0,} 113 }; 114 115 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 116 117 118 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 119 { 120 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 121 } 122 123 static const u32 msi_tgt_status[8] = { 124 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 125 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 126 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 127 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 128 }; 129 130 static const u32 qlcnic_reg_tbl[] = { 131 0x1B20A8, /* PEG_HALT_STAT1 */ 132 0x1B20AC, /* PEG_HALT_STAT2 */ 133 0x1B20B0, /* FW_HEARTBEAT */ 134 0x1B2100, /* LOCK ID */ 135 0x1B2128, /* FW_CAPABILITIES */ 136 0x1B2138, /* drv active */ 137 0x1B2140, /* dev state */ 138 0x1B2144, /* drv state */ 139 0x1B2148, /* drv scratch */ 140 0x1B214C, /* dev partition info */ 141 0x1B2174, /* drv idc ver */ 142 0x1B2150, /* fw version major */ 143 0x1B2154, /* fw version minor */ 144 0x1B2158, /* fw version sub */ 145 0x1B219C, /* npar state */ 146 0x1B21FC, /* FW_IMG_VALID */ 147 0x1B2250, /* CMD_PEG_STATE */ 148 0x1B233C, /* RCV_PEG_STATE */ 149 0x1B23B4, /* ASIC TEMP */ 150 0x1B216C, /* FW api */ 151 0x1B2170, /* drv op mode */ 152 0x13C010, /* flash lock */ 153 0x13C014, /* flash unlock */ 154 }; 155 156 static const struct qlcnic_board_info qlcnic_boards[] = { 157 { PCI_VENDOR_ID_QLOGIC, 158 PCI_DEVICE_ID_QLOGIC_QLE844X, 159 0x0, 160 0x0, 161 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 162 { PCI_VENDOR_ID_QLOGIC, 163 PCI_DEVICE_ID_QLOGIC_QLE834X, 164 PCI_VENDOR_ID_QLOGIC, 165 0x24e, 166 "8300 Series Dual Port 10GbE Converged Network Adapter " 167 "(TCP/IP Networking)" }, 168 { PCI_VENDOR_ID_QLOGIC, 169 PCI_DEVICE_ID_QLOGIC_QLE834X, 170 PCI_VENDOR_ID_QLOGIC, 171 0x243, 172 "8300 Series Single Port 10GbE Converged Network Adapter " 173 "(TCP/IP Networking)" }, 174 { PCI_VENDOR_ID_QLOGIC, 175 PCI_DEVICE_ID_QLOGIC_QLE834X, 176 PCI_VENDOR_ID_QLOGIC, 177 0x24a, 178 "8300 Series Dual Port 10GbE Converged Network Adapter " 179 "(TCP/IP Networking)" }, 180 { PCI_VENDOR_ID_QLOGIC, 181 PCI_DEVICE_ID_QLOGIC_QLE834X, 182 PCI_VENDOR_ID_QLOGIC, 183 0x246, 184 "8300 Series Dual Port 10GbE Converged Network Adapter " 185 "(TCP/IP Networking)" }, 186 { PCI_VENDOR_ID_QLOGIC, 187 PCI_DEVICE_ID_QLOGIC_QLE834X, 188 PCI_VENDOR_ID_QLOGIC, 189 0x252, 190 "8300 Series Dual Port 10GbE Converged Network Adapter " 191 "(TCP/IP Networking)" }, 192 { PCI_VENDOR_ID_QLOGIC, 193 PCI_DEVICE_ID_QLOGIC_QLE834X, 194 PCI_VENDOR_ID_QLOGIC, 195 0x26e, 196 "8300 Series Dual Port 10GbE Converged Network Adapter " 197 "(TCP/IP Networking)" }, 198 { PCI_VENDOR_ID_QLOGIC, 199 PCI_DEVICE_ID_QLOGIC_QLE834X, 200 PCI_VENDOR_ID_QLOGIC, 201 0x260, 202 "8300 Series Dual Port 10GbE Converged Network Adapter " 203 "(TCP/IP Networking)" }, 204 { PCI_VENDOR_ID_QLOGIC, 205 PCI_DEVICE_ID_QLOGIC_QLE834X, 206 PCI_VENDOR_ID_QLOGIC, 207 0x266, 208 "8300 Series Single Port 10GbE Converged Network Adapter " 209 "(TCP/IP Networking)" }, 210 { PCI_VENDOR_ID_QLOGIC, 211 PCI_DEVICE_ID_QLOGIC_QLE834X, 212 PCI_VENDOR_ID_QLOGIC, 213 0x269, 214 "8300 Series Dual Port 10GbE Converged Network Adapter " 215 "(TCP/IP Networking)" }, 216 { PCI_VENDOR_ID_QLOGIC, 217 PCI_DEVICE_ID_QLOGIC_QLE834X, 218 PCI_VENDOR_ID_QLOGIC, 219 0x271, 220 "8300 Series Dual Port 10GbE Converged Network Adapter " 221 "(TCP/IP Networking)" }, 222 { PCI_VENDOR_ID_QLOGIC, 223 PCI_DEVICE_ID_QLOGIC_QLE834X, 224 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 225 { PCI_VENDOR_ID_QLOGIC, 226 PCI_DEVICE_ID_QLOGIC_QLE8830, 227 0x0, 228 0x0, 229 "8830 Series 1/10GbE Controller" }, 230 { PCI_VENDOR_ID_QLOGIC, 231 PCI_DEVICE_ID_QLOGIC_QLE824X, 232 PCI_VENDOR_ID_QLOGIC, 233 0x203, 234 "8200 Series Single Port 10GbE Converged Network Adapter" 235 "(TCP/IP Networking)" }, 236 { PCI_VENDOR_ID_QLOGIC, 237 PCI_DEVICE_ID_QLOGIC_QLE824X, 238 PCI_VENDOR_ID_QLOGIC, 239 0x207, 240 "8200 Series Dual Port 10GbE Converged Network Adapter" 241 "(TCP/IP Networking)" }, 242 { PCI_VENDOR_ID_QLOGIC, 243 PCI_DEVICE_ID_QLOGIC_QLE824X, 244 PCI_VENDOR_ID_QLOGIC, 245 0x20b, 246 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 247 { PCI_VENDOR_ID_QLOGIC, 248 PCI_DEVICE_ID_QLOGIC_QLE824X, 249 PCI_VENDOR_ID_QLOGIC, 250 0x20c, 251 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 252 { PCI_VENDOR_ID_QLOGIC, 253 PCI_DEVICE_ID_QLOGIC_QLE824X, 254 PCI_VENDOR_ID_QLOGIC, 255 0x20f, 256 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 257 { PCI_VENDOR_ID_QLOGIC, 258 PCI_DEVICE_ID_QLOGIC_QLE824X, 259 0x103c, 0x3733, 260 "NC523SFP 10Gb 2-port Server Adapter" }, 261 { PCI_VENDOR_ID_QLOGIC, 262 PCI_DEVICE_ID_QLOGIC_QLE824X, 263 0x103c, 0x3346, 264 "CN1000Q Dual Port Converged Network Adapter" }, 265 { PCI_VENDOR_ID_QLOGIC, 266 PCI_DEVICE_ID_QLOGIC_QLE824X, 267 PCI_VENDOR_ID_QLOGIC, 268 0x210, 269 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 270 { PCI_VENDOR_ID_QLOGIC, 271 PCI_DEVICE_ID_QLOGIC_QLE824X, 272 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 273 }; 274 275 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 276 277 static const 278 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 279 280 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 281 { 282 int size = sizeof(struct qlcnic_host_sds_ring) * count; 283 284 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 285 286 return recv_ctx->sds_rings == NULL; 287 } 288 289 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 290 { 291 kfree(recv_ctx->sds_rings); 292 recv_ctx->sds_rings = NULL; 293 } 294 295 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 296 { 297 struct net_device *netdev = adapter->netdev; 298 struct pci_dev *pdev = adapter->pdev; 299 u8 mac_addr[ETH_ALEN]; 300 int ret; 301 302 ret = qlcnic_get_mac_address(adapter, mac_addr, 303 adapter->ahw->pci_func); 304 if (ret) 305 return ret; 306 307 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 308 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 309 310 /* set station address */ 311 312 if (!is_valid_ether_addr(netdev->dev_addr)) 313 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 314 netdev->dev_addr); 315 316 return 0; 317 } 318 319 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 320 { 321 struct qlcnic_mac_vlan_list *cur; 322 struct list_head *head; 323 324 list_for_each(head, &adapter->mac_list) { 325 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 326 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 327 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 328 0, QLCNIC_MAC_DEL); 329 list_del(&cur->list); 330 kfree(cur); 331 return; 332 } 333 } 334 } 335 336 static int qlcnic_set_mac(struct net_device *netdev, void *p) 337 { 338 struct qlcnic_adapter *adapter = netdev_priv(netdev); 339 struct sockaddr *addr = p; 340 341 if (qlcnic_sriov_vf_check(adapter)) 342 return -EINVAL; 343 344 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 345 return -EOPNOTSUPP; 346 347 if (!is_valid_ether_addr(addr->sa_data)) 348 return -EINVAL; 349 350 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) && 351 ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data)) 352 return 0; 353 354 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 355 netif_device_detach(netdev); 356 qlcnic_napi_disable(adapter); 357 } 358 359 qlcnic_delete_adapter_mac(adapter); 360 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 361 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 362 qlcnic_set_multi(adapter->netdev); 363 364 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 365 netif_device_attach(netdev); 366 qlcnic_napi_enable(adapter); 367 } 368 return 0; 369 } 370 371 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 372 struct net_device *netdev, 373 const unsigned char *addr, u16 vid) 374 { 375 struct qlcnic_adapter *adapter = netdev_priv(netdev); 376 int err = -EOPNOTSUPP; 377 378 if (!adapter->fdb_mac_learn) 379 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid); 380 381 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 382 qlcnic_sriov_check(adapter)) { 383 if (is_unicast_ether_addr(addr)) { 384 err = dev_uc_del(netdev, addr); 385 if (!err) 386 err = qlcnic_nic_del_mac(adapter, addr); 387 } else if (is_multicast_ether_addr(addr)) { 388 err = dev_mc_del(netdev, addr); 389 } else { 390 err = -EINVAL; 391 } 392 } 393 return err; 394 } 395 396 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 397 struct net_device *netdev, 398 const unsigned char *addr, u16 vid, u16 flags, 399 struct netlink_ext_ack *extack) 400 { 401 struct qlcnic_adapter *adapter = netdev_priv(netdev); 402 int err = 0; 403 404 if (!adapter->fdb_mac_learn) 405 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags); 406 407 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && 408 !qlcnic_sriov_check(adapter)) { 409 pr_info("%s: FDB e-switch is not enabled\n", __func__); 410 return -EOPNOTSUPP; 411 } 412 413 if (ether_addr_equal(addr, adapter->mac_addr)) 414 return err; 415 416 if (is_unicast_ether_addr(addr)) { 417 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 418 err = dev_uc_add_excl(netdev, addr); 419 else 420 err = -ENOMEM; 421 } else if (is_multicast_ether_addr(addr)) { 422 err = dev_mc_add_excl(netdev, addr); 423 } else { 424 err = -EINVAL; 425 } 426 427 return err; 428 } 429 430 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 431 struct net_device *netdev, 432 struct net_device *filter_dev, int *idx) 433 { 434 struct qlcnic_adapter *adapter = netdev_priv(netdev); 435 int err = 0; 436 437 if (!adapter->fdb_mac_learn) 438 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 439 440 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 441 qlcnic_sriov_check(adapter)) 442 err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 443 444 return err; 445 } 446 447 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 448 { 449 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 450 usleep_range(10000, 11000); 451 452 if (!adapter->fw_work.work.func) 453 return; 454 455 cancel_delayed_work_sync(&adapter->fw_work); 456 } 457 458 static int qlcnic_get_phys_port_id(struct net_device *netdev, 459 struct netdev_phys_item_id *ppid) 460 { 461 struct qlcnic_adapter *adapter = netdev_priv(netdev); 462 struct qlcnic_hardware_context *ahw = adapter->ahw; 463 464 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 465 return -EOPNOTSUPP; 466 467 ppid->id_len = sizeof(ahw->phys_port_id); 468 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 469 470 return 0; 471 } 472 473 static int qlcnic_udp_tunnel_sync(struct net_device *dev, unsigned int table) 474 { 475 struct qlcnic_adapter *adapter = netdev_priv(dev); 476 struct udp_tunnel_info ti; 477 int err; 478 479 udp_tunnel_nic_get_port(dev, table, 0, &ti); 480 if (ti.port) { 481 err = qlcnic_set_vxlan_port(adapter, ntohs(ti.port)); 482 if (err) 483 return err; 484 } 485 486 return qlcnic_set_vxlan_parsing(adapter, ntohs(ti.port)); 487 } 488 489 static const struct udp_tunnel_nic_info qlcnic_udp_tunnels = { 490 .sync_table = qlcnic_udp_tunnel_sync, 491 .flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP, 492 .tables = { 493 { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, }, 494 }, 495 }; 496 497 static netdev_features_t qlcnic_features_check(struct sk_buff *skb, 498 struct net_device *dev, 499 netdev_features_t features) 500 { 501 features = vlan_features_check(skb, features); 502 return vxlan_features_check(skb, features); 503 } 504 505 static const struct net_device_ops qlcnic_netdev_ops = { 506 .ndo_open = qlcnic_open, 507 .ndo_stop = qlcnic_close, 508 .ndo_start_xmit = qlcnic_xmit_frame, 509 .ndo_get_stats = qlcnic_get_stats, 510 .ndo_validate_addr = eth_validate_addr, 511 .ndo_set_rx_mode = qlcnic_set_multi, 512 .ndo_set_mac_address = qlcnic_set_mac, 513 .ndo_change_mtu = qlcnic_change_mtu, 514 .ndo_fix_features = qlcnic_fix_features, 515 .ndo_set_features = qlcnic_set_features, 516 .ndo_tx_timeout = qlcnic_tx_timeout, 517 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 518 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 519 .ndo_fdb_add = qlcnic_fdb_add, 520 .ndo_fdb_del = qlcnic_fdb_del, 521 .ndo_fdb_dump = qlcnic_fdb_dump, 522 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 523 .ndo_udp_tunnel_add = udp_tunnel_nic_add_port, 524 .ndo_udp_tunnel_del = udp_tunnel_nic_del_port, 525 .ndo_features_check = qlcnic_features_check, 526 #ifdef CONFIG_QLCNIC_SRIOV 527 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 528 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 529 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 530 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 531 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 532 #endif 533 }; 534 535 static const struct net_device_ops qlcnic_netdev_failed_ops = { 536 .ndo_open = qlcnic_open, 537 }; 538 539 static struct qlcnic_nic_template qlcnic_ops = { 540 .config_bridged_mode = qlcnic_config_bridged_mode, 541 .config_led = qlcnic_82xx_config_led, 542 .start_firmware = qlcnic_82xx_start_firmware, 543 .request_reset = qlcnic_82xx_dev_request_reset, 544 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 545 .napi_add = qlcnic_82xx_napi_add, 546 .napi_del = qlcnic_82xx_napi_del, 547 .config_ipaddr = qlcnic_82xx_config_ipaddr, 548 .shutdown = qlcnic_82xx_shutdown, 549 .resume = qlcnic_82xx_resume, 550 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 551 }; 552 553 struct qlcnic_nic_template qlcnic_vf_ops = { 554 .config_bridged_mode = qlcnicvf_config_bridged_mode, 555 .config_led = qlcnicvf_config_led, 556 .start_firmware = qlcnicvf_start_firmware 557 }; 558 559 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 560 .read_crb = qlcnic_82xx_read_crb, 561 .write_crb = qlcnic_82xx_write_crb, 562 .read_reg = qlcnic_82xx_hw_read_wx_2M, 563 .write_reg = qlcnic_82xx_hw_write_wx_2M, 564 .get_mac_address = qlcnic_82xx_get_mac_address, 565 .setup_intr = qlcnic_82xx_setup_intr, 566 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 567 .mbx_cmd = qlcnic_82xx_issue_cmd, 568 .get_func_no = qlcnic_82xx_get_func_no, 569 .api_lock = qlcnic_82xx_api_lock, 570 .api_unlock = qlcnic_82xx_api_unlock, 571 .add_sysfs = qlcnic_82xx_add_sysfs, 572 .remove_sysfs = qlcnic_82xx_remove_sysfs, 573 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 574 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 575 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 576 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 577 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 578 .setup_link_event = qlcnic_82xx_linkevent_request, 579 .get_nic_info = qlcnic_82xx_get_nic_info, 580 .get_pci_info = qlcnic_82xx_get_pci_info, 581 .set_nic_info = qlcnic_82xx_set_nic_info, 582 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 583 .napi_enable = qlcnic_82xx_napi_enable, 584 .napi_disable = qlcnic_82xx_napi_disable, 585 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 586 .config_rss = qlcnic_82xx_config_rss, 587 .config_hw_lro = qlcnic_82xx_config_hw_lro, 588 .config_loopback = qlcnic_82xx_set_lb_mode, 589 .clear_loopback = qlcnic_82xx_clear_lb_mode, 590 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 591 .change_l2_filter = qlcnic_82xx_change_filter, 592 .get_board_info = qlcnic_82xx_get_board_info, 593 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 594 .free_mac_list = qlcnic_82xx_free_mac_list, 595 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 596 .io_error_detected = qlcnic_82xx_io_error_detected, 597 .io_slot_reset = qlcnic_82xx_io_slot_reset, 598 .io_resume = qlcnic_82xx_io_resume, 599 .get_beacon_state = qlcnic_82xx_get_beacon_state, 600 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 601 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 602 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 603 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 604 .get_saved_state = qlcnic_82xx_get_saved_state, 605 .set_saved_state = qlcnic_82xx_set_saved_state, 606 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 607 .get_cap_size = qlcnic_82xx_get_cap_size, 608 .set_sys_info = qlcnic_82xx_set_sys_info, 609 .store_cap_mask = qlcnic_82xx_store_cap_mask, 610 .encap_rx_offload = qlcnic_82xx_encap_rx_offload, 611 .encap_tx_offload = qlcnic_82xx_encap_tx_offload, 612 }; 613 614 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 615 { 616 struct qlcnic_hardware_context *ahw = adapter->ahw; 617 618 if (qlcnic_82xx_check(adapter) && 619 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 620 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 621 return 0; 622 } else { 623 return 1; 624 } 625 } 626 627 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 628 int queue_type) 629 { 630 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 631 632 if (queue_type == QLCNIC_RX_QUEUE) 633 max_rings = adapter->max_sds_rings; 634 else if (queue_type == QLCNIC_TX_QUEUE) 635 max_rings = adapter->max_tx_rings; 636 637 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 638 max_rings)); 639 640 if (ring_cnt > num_rings) 641 return num_rings; 642 else 643 return ring_cnt; 644 } 645 646 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 647 { 648 /* 83xx adapter does not have max_tx_rings intialized in probe */ 649 if (adapter->max_tx_rings) 650 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 651 QLCNIC_TX_QUEUE); 652 else 653 adapter->drv_tx_rings = tx_cnt; 654 } 655 656 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 657 { 658 /* 83xx adapter does not have max_sds_rings intialized in probe */ 659 if (adapter->max_sds_rings) 660 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 661 QLCNIC_RX_QUEUE); 662 else 663 adapter->drv_sds_rings = rx_cnt; 664 } 665 666 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 667 { 668 struct pci_dev *pdev = adapter->pdev; 669 int num_msix = 0, err = 0, vector; 670 671 adapter->flags &= ~QLCNIC_TSS_RSS; 672 673 if (adapter->drv_tss_rings > 0) 674 num_msix += adapter->drv_tss_rings; 675 else 676 num_msix += adapter->drv_tx_rings; 677 678 if (adapter->drv_rss_rings > 0) 679 num_msix += adapter->drv_rss_rings; 680 else 681 num_msix += adapter->drv_sds_rings; 682 683 if (qlcnic_83xx_check(adapter)) 684 num_msix += 1; 685 686 if (!adapter->msix_entries) { 687 adapter->msix_entries = kcalloc(num_msix, 688 sizeof(struct msix_entry), 689 GFP_KERNEL); 690 if (!adapter->msix_entries) 691 return -ENOMEM; 692 } 693 694 for (vector = 0; vector < num_msix; vector++) 695 adapter->msix_entries[vector].entry = vector; 696 697 restore: 698 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 699 if (err == -ENOSPC) { 700 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 701 return err; 702 703 netdev_info(adapter->netdev, 704 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 705 num_msix, err); 706 707 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 708 709 /* Set rings to 0 so we can restore original TSS/RSS count */ 710 adapter->drv_tss_rings = 0; 711 adapter->drv_rss_rings = 0; 712 713 if (qlcnic_83xx_check(adapter)) 714 num_msix += 1; 715 716 netdev_info(adapter->netdev, 717 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 718 adapter->drv_tx_rings, adapter->drv_sds_rings, 719 num_msix); 720 721 goto restore; 722 } else if (err < 0) { 723 return err; 724 } 725 726 adapter->ahw->num_msix = num_msix; 727 if (adapter->drv_tss_rings > 0) 728 adapter->drv_tx_rings = adapter->drv_tss_rings; 729 730 if (adapter->drv_rss_rings > 0) 731 adapter->drv_sds_rings = adapter->drv_rss_rings; 732 733 return 0; 734 } 735 736 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 737 { 738 struct pci_dev *pdev = adapter->pdev; 739 int err, vector; 740 741 if (!adapter->msix_entries) { 742 adapter->msix_entries = kcalloc(num_msix, 743 sizeof(struct msix_entry), 744 GFP_KERNEL); 745 if (!adapter->msix_entries) 746 return -ENOMEM; 747 } 748 749 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 750 751 if (adapter->ahw->msix_supported) { 752 enable_msix: 753 for (vector = 0; vector < num_msix; vector++) 754 adapter->msix_entries[vector].entry = vector; 755 756 err = pci_enable_msix_range(pdev, 757 adapter->msix_entries, 1, num_msix); 758 759 if (err == num_msix) { 760 adapter->flags |= QLCNIC_MSIX_ENABLED; 761 adapter->ahw->num_msix = num_msix; 762 dev_info(&pdev->dev, "using msi-x interrupts\n"); 763 return 0; 764 } else if (err > 0) { 765 pci_disable_msix(pdev); 766 767 dev_info(&pdev->dev, 768 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 769 num_msix, err); 770 771 if (qlcnic_82xx_check(adapter)) { 772 num_msix = rounddown_pow_of_two(err); 773 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 774 return -ENOSPC; 775 } else { 776 num_msix = rounddown_pow_of_two(err - 1); 777 num_msix += 1; 778 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 779 return -ENOSPC; 780 } 781 782 if (qlcnic_82xx_check(adapter) && 783 !qlcnic_check_multi_tx(adapter)) { 784 adapter->drv_sds_rings = num_msix; 785 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 786 } else { 787 /* Distribute vectors equally */ 788 adapter->drv_tx_rings = num_msix / 2; 789 adapter->drv_sds_rings = adapter->drv_tx_rings; 790 } 791 792 if (num_msix) { 793 dev_info(&pdev->dev, 794 "Trying to allocate %d MSI-X interrupt vectors\n", 795 num_msix); 796 goto enable_msix; 797 } 798 } else { 799 dev_info(&pdev->dev, 800 "Unable to allocate %d MSI-X vectors, err=%d\n", 801 num_msix, err); 802 return err; 803 } 804 } 805 806 return -EIO; 807 } 808 809 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 810 { 811 int num_msix; 812 813 num_msix = adapter->drv_sds_rings; 814 815 if (qlcnic_check_multi_tx(adapter)) 816 num_msix += adapter->drv_tx_rings; 817 else 818 num_msix += QLCNIC_SINGLE_RING; 819 820 return num_msix; 821 } 822 823 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 824 { 825 int err = 0; 826 u32 offset, mask_reg; 827 const struct qlcnic_legacy_intr_set *legacy_intrp; 828 struct qlcnic_hardware_context *ahw = adapter->ahw; 829 struct pci_dev *pdev = adapter->pdev; 830 831 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 832 adapter->flags |= QLCNIC_MSI_ENABLED; 833 offset = msi_tgt_status[adapter->ahw->pci_func]; 834 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 835 offset); 836 dev_info(&pdev->dev, "using msi interrupts\n"); 837 adapter->msix_entries[0].vector = pdev->irq; 838 return err; 839 } 840 841 if (qlcnic_use_msi || qlcnic_use_msi_x) 842 return -EOPNOTSUPP; 843 844 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 845 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 846 offset = legacy_intrp->tgt_status_reg; 847 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 848 mask_reg = legacy_intrp->tgt_mask_reg; 849 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 850 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 851 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 852 dev_info(&pdev->dev, "using legacy interrupts\n"); 853 adapter->msix_entries[0].vector = pdev->irq; 854 return err; 855 } 856 857 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 858 { 859 int num_msix, err = 0; 860 861 if (adapter->flags & QLCNIC_TSS_RSS) { 862 err = qlcnic_setup_tss_rss_intr(adapter); 863 if (err < 0) 864 return err; 865 num_msix = adapter->ahw->num_msix; 866 } else { 867 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 868 869 err = qlcnic_enable_msix(adapter, num_msix); 870 if (err == -ENOMEM) 871 return err; 872 873 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 874 qlcnic_disable_multi_tx(adapter); 875 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 876 877 err = qlcnic_enable_msi_legacy(adapter); 878 if (err) 879 return err; 880 } 881 } 882 883 return 0; 884 } 885 886 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 887 { 888 struct qlcnic_hardware_context *ahw = adapter->ahw; 889 int err, i; 890 891 if (qlcnic_check_multi_tx(adapter) && 892 !ahw->diag_test && 893 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 894 ahw->intr_tbl = 895 vzalloc(array_size(sizeof(struct qlcnic_intrpt_config), 896 ahw->num_msix)); 897 if (!ahw->intr_tbl) 898 return -ENOMEM; 899 900 for (i = 0; i < ahw->num_msix; i++) { 901 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 902 ahw->intr_tbl[i].id = i; 903 ahw->intr_tbl[i].src = 0; 904 } 905 906 err = qlcnic_82xx_config_intrpt(adapter, 1); 907 if (err) 908 dev_err(&adapter->pdev->dev, 909 "Failed to configure Interrupt for %d vector\n", 910 ahw->num_msix); 911 return err; 912 } 913 914 return 0; 915 } 916 917 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 918 { 919 if (adapter->flags & QLCNIC_MSIX_ENABLED) 920 pci_disable_msix(adapter->pdev); 921 if (adapter->flags & QLCNIC_MSI_ENABLED) 922 pci_disable_msi(adapter->pdev); 923 924 kfree(adapter->msix_entries); 925 adapter->msix_entries = NULL; 926 927 if (adapter->ahw->intr_tbl) { 928 vfree(adapter->ahw->intr_tbl); 929 adapter->ahw->intr_tbl = NULL; 930 } 931 } 932 933 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 934 { 935 if (ahw->pci_base0 != NULL) 936 iounmap(ahw->pci_base0); 937 } 938 939 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 940 { 941 struct qlcnic_hardware_context *ahw = adapter->ahw; 942 struct qlcnic_pci_info *pci_info; 943 int ret; 944 945 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 946 switch (ahw->port_type) { 947 case QLCNIC_GBE: 948 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 949 break; 950 case QLCNIC_XGBE: 951 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 952 break; 953 } 954 return 0; 955 } 956 957 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 958 return 0; 959 960 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 961 if (!pci_info) 962 return -ENOMEM; 963 964 ret = qlcnic_get_pci_info(adapter, pci_info); 965 kfree(pci_info); 966 return ret; 967 } 968 969 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 970 { 971 bool ret = false; 972 973 if (qlcnic_84xx_check(adapter)) { 974 ret = true; 975 } else if (qlcnic_83xx_check(adapter)) { 976 if (adapter->ahw->extra_capability[0] & 977 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 978 ret = true; 979 else 980 ret = false; 981 } 982 983 return ret; 984 } 985 986 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 987 { 988 struct qlcnic_hardware_context *ahw = adapter->ahw; 989 struct qlcnic_pci_info *pci_info; 990 int i, id = 0, ret = 0, j = 0; 991 u16 act_pci_func; 992 u8 pfn; 993 994 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 995 if (!pci_info) 996 return -ENOMEM; 997 998 ret = qlcnic_get_pci_info(adapter, pci_info); 999 if (ret) 1000 goto err_pci_info; 1001 1002 act_pci_func = ahw->total_nic_func; 1003 1004 adapter->npars = kcalloc(act_pci_func, 1005 sizeof(struct qlcnic_npar_info), 1006 GFP_KERNEL); 1007 if (!adapter->npars) { 1008 ret = -ENOMEM; 1009 goto err_pci_info; 1010 } 1011 1012 adapter->eswitch = kcalloc(QLCNIC_NIU_MAX_XG_PORTS, 1013 sizeof(struct qlcnic_eswitch), 1014 GFP_KERNEL); 1015 if (!adapter->eswitch) { 1016 ret = -ENOMEM; 1017 goto err_npars; 1018 } 1019 1020 for (i = 0; i < ahw->max_vnic_func; i++) { 1021 pfn = pci_info[i].id; 1022 1023 if (pfn >= ahw->max_vnic_func) { 1024 ret = -EINVAL; 1025 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1026 __func__, pfn, ahw->max_vnic_func); 1027 goto err_eswitch; 1028 } 1029 1030 if (!pci_info[i].active || 1031 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1032 continue; 1033 1034 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1035 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1036 &id)) 1037 adapter->npars[j].eswitch_status = true; 1038 else 1039 continue; 1040 } else { 1041 adapter->npars[j].eswitch_status = true; 1042 } 1043 1044 adapter->npars[j].pci_func = pfn; 1045 adapter->npars[j].active = (u8)pci_info[i].active; 1046 adapter->npars[j].type = (u8)pci_info[i].type; 1047 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1048 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1049 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1050 1051 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1052 j++; 1053 } 1054 1055 /* Update eSwitch status for adapters without per port eSwitch 1056 * configuration capability 1057 */ 1058 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1059 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1060 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1061 } 1062 1063 kfree(pci_info); 1064 return 0; 1065 1066 err_eswitch: 1067 kfree(adapter->eswitch); 1068 adapter->eswitch = NULL; 1069 err_npars: 1070 kfree(adapter->npars); 1071 adapter->npars = NULL; 1072 err_pci_info: 1073 kfree(pci_info); 1074 1075 return ret; 1076 } 1077 1078 static int 1079 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1080 { 1081 u8 id; 1082 int ret; 1083 u32 data = QLCNIC_MGMT_FUNC; 1084 struct qlcnic_hardware_context *ahw = adapter->ahw; 1085 1086 ret = qlcnic_api_lock(adapter); 1087 if (ret) 1088 goto err_lock; 1089 1090 id = ahw->pci_func; 1091 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1092 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1093 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1094 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1095 qlcnic_api_unlock(adapter); 1096 err_lock: 1097 return ret; 1098 } 1099 1100 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1101 const struct pci_device_id *ent) 1102 { 1103 u32 op_mode, priv_level; 1104 1105 /* Determine FW API version */ 1106 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1107 QLCNIC_FW_API); 1108 1109 /* Find PCI function number */ 1110 qlcnic_get_func_no(adapter); 1111 1112 /* Determine function privilege level */ 1113 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1114 if (op_mode == QLC_DEV_DRV_DEFAULT) 1115 priv_level = QLCNIC_MGMT_FUNC; 1116 else 1117 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1118 1119 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1120 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1121 dev_info(&adapter->pdev->dev, 1122 "HAL Version: %d Non Privileged function\n", 1123 adapter->ahw->fw_hal_version); 1124 adapter->nic_ops = &qlcnic_vf_ops; 1125 } else 1126 adapter->nic_ops = &qlcnic_ops; 1127 } 1128 1129 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1130 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1131 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1132 { 1133 switch (dev_id) { 1134 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1135 *bar = QLCNIC_82XX_BAR0_LENGTH; 1136 break; 1137 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1138 case PCI_DEVICE_ID_QLOGIC_QLE8830: 1139 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1140 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1141 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1142 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 1143 *bar = QLCNIC_83XX_BAR0_LENGTH; 1144 break; 1145 default: 1146 *bar = 0; 1147 } 1148 } 1149 1150 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1151 struct qlcnic_hardware_context *ahw) 1152 { 1153 u32 offset; 1154 void __iomem *mem_ptr0 = NULL; 1155 unsigned long mem_len, pci_len0 = 0, bar0_len; 1156 1157 /* remap phys address */ 1158 mem_len = pci_resource_len(pdev, 0); 1159 1160 qlcnic_get_bar_length(pdev->device, &bar0_len); 1161 if (mem_len >= bar0_len) { 1162 1163 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1164 if (mem_ptr0 == NULL) { 1165 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1166 return -EIO; 1167 } 1168 pci_len0 = mem_len; 1169 } else { 1170 return -EIO; 1171 } 1172 1173 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1174 1175 ahw->pci_base0 = mem_ptr0; 1176 ahw->pci_len0 = pci_len0; 1177 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1178 qlcnic_get_ioaddr(ahw, offset); 1179 1180 return 0; 1181 } 1182 1183 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1184 int index) 1185 { 1186 struct pci_dev *pdev = adapter->pdev; 1187 unsigned short subsystem_vendor; 1188 bool ret = true; 1189 1190 subsystem_vendor = pdev->subsystem_vendor; 1191 1192 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1193 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1194 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1195 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1196 ret = true; 1197 else 1198 ret = false; 1199 } 1200 1201 return ret; 1202 } 1203 1204 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1205 { 1206 struct pci_dev *pdev = adapter->pdev; 1207 int i, found = 0; 1208 1209 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1210 if (qlcnic_boards[i].vendor == pdev->vendor && 1211 qlcnic_boards[i].device == pdev->device && 1212 qlcnic_validate_subsystem_id(adapter, i)) { 1213 found = 1; 1214 break; 1215 } 1216 } 1217 1218 if (!found) 1219 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1220 else 1221 sprintf(name, "%pM: %s" , adapter->mac_addr, 1222 qlcnic_boards[i].short_name); 1223 } 1224 1225 static void 1226 qlcnic_check_options(struct qlcnic_adapter *adapter) 1227 { 1228 int err; 1229 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1230 struct pci_dev *pdev = adapter->pdev; 1231 struct qlcnic_hardware_context *ahw = adapter->ahw; 1232 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1233 1234 prev_fw_version = adapter->fw_version; 1235 1236 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1237 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1238 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1239 1240 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1241 1242 err = qlcnic_get_board_info(adapter); 1243 if (err) { 1244 dev_err(&pdev->dev, "Error getting board config info.\n"); 1245 return; 1246 } 1247 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1248 if (fw_dump->tmpl_hdr == NULL || 1249 adapter->fw_version > prev_fw_version) { 1250 vfree(fw_dump->tmpl_hdr); 1251 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1252 dev_info(&pdev->dev, 1253 "Supports FW dump capability\n"); 1254 } 1255 } 1256 1257 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1258 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1259 1260 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1261 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1262 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1263 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1264 } else { 1265 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1266 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1267 } 1268 1269 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1270 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1271 1272 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1273 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1274 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1275 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1276 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1277 } 1278 1279 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1280 1281 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1282 1283 adapter->max_rds_rings = MAX_RDS_RINGS; 1284 } 1285 1286 static int 1287 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1288 { 1289 struct qlcnic_info nic_info; 1290 int err = 0; 1291 1292 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1293 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1294 if (err) 1295 return err; 1296 1297 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1298 adapter->ahw->switch_mode = nic_info.switch_mode; 1299 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1300 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1301 adapter->ahw->capabilities = nic_info.capabilities; 1302 1303 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1304 u32 temp; 1305 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1306 if (err == -EIO) 1307 return err; 1308 adapter->ahw->extra_capability[0] = temp; 1309 } else { 1310 adapter->ahw->extra_capability[0] = 0; 1311 } 1312 1313 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1314 adapter->ahw->max_mtu = nic_info.max_mtu; 1315 1316 if (adapter->ahw->capabilities & BIT_6) { 1317 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1318 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1319 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1320 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1321 1322 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1323 } else { 1324 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1325 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1326 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1327 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1328 } 1329 1330 return err; 1331 } 1332 1333 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1334 struct qlcnic_esw_func_cfg *esw_cfg) 1335 { 1336 if (esw_cfg->discard_tagged) 1337 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1338 else 1339 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1340 1341 if (esw_cfg->vlan_id) { 1342 adapter->rx_pvid = esw_cfg->vlan_id; 1343 adapter->tx_pvid = esw_cfg->vlan_id; 1344 } else { 1345 adapter->rx_pvid = 0; 1346 adapter->tx_pvid = 0; 1347 } 1348 } 1349 1350 static int 1351 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1352 { 1353 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1354 int err; 1355 1356 if (qlcnic_sriov_vf_check(adapter)) { 1357 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1358 if (err) { 1359 netdev_err(netdev, 1360 "Cannot add VLAN filter for VLAN id %d, err=%d", 1361 vid, err); 1362 return err; 1363 } 1364 } 1365 1366 set_bit(vid, adapter->vlans); 1367 return 0; 1368 } 1369 1370 static int 1371 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1372 { 1373 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1374 int err; 1375 1376 if (qlcnic_sriov_vf_check(adapter)) { 1377 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1378 if (err) { 1379 netdev_err(netdev, 1380 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1381 vid, err); 1382 return err; 1383 } 1384 } 1385 1386 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1387 clear_bit(vid, adapter->vlans); 1388 return 0; 1389 } 1390 1391 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1392 struct qlcnic_esw_func_cfg *esw_cfg) 1393 { 1394 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1395 QLCNIC_PROMISC_DISABLED); 1396 1397 if (esw_cfg->mac_anti_spoof) 1398 adapter->flags |= QLCNIC_MACSPOOF; 1399 1400 if (!esw_cfg->mac_override) 1401 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1402 1403 if (!esw_cfg->promisc_mode) 1404 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1405 } 1406 1407 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1408 { 1409 struct qlcnic_esw_func_cfg esw_cfg; 1410 1411 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1412 return 0; 1413 1414 esw_cfg.pci_func = adapter->ahw->pci_func; 1415 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1416 return -EIO; 1417 qlcnic_set_vlan_config(adapter, &esw_cfg); 1418 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1419 qlcnic_set_netdev_features(adapter, &esw_cfg); 1420 1421 return 0; 1422 } 1423 1424 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1425 struct qlcnic_esw_func_cfg *esw_cfg) 1426 { 1427 struct net_device *netdev = adapter->netdev; 1428 1429 if (qlcnic_83xx_check(adapter)) 1430 return; 1431 1432 adapter->offload_flags = esw_cfg->offload_flags; 1433 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1434 netdev_update_features(netdev); 1435 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1436 } 1437 1438 static int 1439 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1440 { 1441 u32 op_mode, priv_level; 1442 int err = 0; 1443 1444 err = qlcnic_initialize_nic(adapter); 1445 if (err) 1446 return err; 1447 1448 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1449 return 0; 1450 1451 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1452 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1453 1454 if (op_mode == QLC_DEV_DRV_DEFAULT) 1455 priv_level = QLCNIC_MGMT_FUNC; 1456 else 1457 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1458 1459 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1460 if (priv_level == QLCNIC_MGMT_FUNC) { 1461 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1462 err = qlcnic_init_pci_info(adapter); 1463 if (err) 1464 return err; 1465 /* Set privilege level for other functions */ 1466 qlcnic_set_function_modes(adapter); 1467 dev_info(&adapter->pdev->dev, 1468 "HAL Version: %d, Management function\n", 1469 adapter->ahw->fw_hal_version); 1470 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1471 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1472 dev_info(&adapter->pdev->dev, 1473 "HAL Version: %d, Privileged function\n", 1474 adapter->ahw->fw_hal_version); 1475 } 1476 } else { 1477 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1478 } 1479 1480 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1481 1482 return err; 1483 } 1484 1485 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1486 { 1487 struct qlcnic_esw_func_cfg esw_cfg; 1488 struct qlcnic_npar_info *npar; 1489 u8 i; 1490 1491 if (adapter->need_fw_reset) 1492 return 0; 1493 1494 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1495 if (!adapter->npars[i].eswitch_status) 1496 continue; 1497 1498 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1499 esw_cfg.pci_func = adapter->npars[i].pci_func; 1500 esw_cfg.mac_override = BIT_0; 1501 esw_cfg.promisc_mode = BIT_0; 1502 if (qlcnic_82xx_check(adapter)) { 1503 esw_cfg.offload_flags = BIT_0; 1504 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1505 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1506 } 1507 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1508 return -EIO; 1509 npar = &adapter->npars[i]; 1510 npar->pvid = esw_cfg.vlan_id; 1511 npar->mac_override = esw_cfg.mac_override; 1512 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1513 npar->discard_tagged = esw_cfg.discard_tagged; 1514 npar->promisc_mode = esw_cfg.promisc_mode; 1515 npar->offload_flags = esw_cfg.offload_flags; 1516 } 1517 1518 return 0; 1519 } 1520 1521 1522 static int 1523 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1524 struct qlcnic_npar_info *npar, int pci_func) 1525 { 1526 struct qlcnic_esw_func_cfg esw_cfg; 1527 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1528 esw_cfg.pci_func = pci_func; 1529 esw_cfg.vlan_id = npar->pvid; 1530 esw_cfg.mac_override = npar->mac_override; 1531 esw_cfg.discard_tagged = npar->discard_tagged; 1532 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1533 esw_cfg.offload_flags = npar->offload_flags; 1534 esw_cfg.promisc_mode = npar->promisc_mode; 1535 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1536 return -EIO; 1537 1538 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1539 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1540 return -EIO; 1541 1542 return 0; 1543 } 1544 1545 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1546 { 1547 int i, err; 1548 struct qlcnic_npar_info *npar; 1549 struct qlcnic_info nic_info; 1550 u8 pci_func; 1551 1552 if (qlcnic_82xx_check(adapter)) 1553 if (!adapter->need_fw_reset) 1554 return 0; 1555 1556 /* Set the NPAR config data after FW reset */ 1557 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1558 npar = &adapter->npars[i]; 1559 pci_func = npar->pci_func; 1560 if (!adapter->npars[i].eswitch_status) 1561 continue; 1562 1563 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1564 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1565 if (err) 1566 return err; 1567 nic_info.min_tx_bw = npar->min_bw; 1568 nic_info.max_tx_bw = npar->max_bw; 1569 err = qlcnic_set_nic_info(adapter, &nic_info); 1570 if (err) 1571 return err; 1572 1573 if (npar->enable_pm) { 1574 err = qlcnic_config_port_mirroring(adapter, 1575 npar->dest_npar, 1, 1576 pci_func); 1577 if (err) 1578 return err; 1579 } 1580 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1581 if (err) 1582 return err; 1583 } 1584 return 0; 1585 } 1586 1587 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1588 { 1589 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1590 u32 npar_state; 1591 1592 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1593 return 0; 1594 1595 npar_state = QLC_SHARED_REG_RD32(adapter, 1596 QLCNIC_CRB_DEV_NPAR_STATE); 1597 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1598 msleep(1000); 1599 npar_state = QLC_SHARED_REG_RD32(adapter, 1600 QLCNIC_CRB_DEV_NPAR_STATE); 1601 } 1602 if (!npar_opt_timeo) { 1603 dev_err(&adapter->pdev->dev, 1604 "Waiting for NPAR state to operational timeout\n"); 1605 return -EIO; 1606 } 1607 return 0; 1608 } 1609 1610 static int 1611 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1612 { 1613 int err; 1614 1615 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1616 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1617 return 0; 1618 1619 err = qlcnic_set_default_offload_settings(adapter); 1620 if (err) 1621 return err; 1622 1623 err = qlcnic_reset_npar_config(adapter); 1624 if (err) 1625 return err; 1626 1627 qlcnic_dev_set_npar_ready(adapter); 1628 1629 return err; 1630 } 1631 1632 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1633 { 1634 int err; 1635 1636 err = qlcnic_can_start_firmware(adapter); 1637 if (err < 0) 1638 return err; 1639 else if (!err) 1640 goto check_fw_status; 1641 1642 if (qlcnic_load_fw_file) 1643 qlcnic_request_firmware(adapter); 1644 else { 1645 err = qlcnic_check_flash_fw_ver(adapter); 1646 if (err) 1647 goto err_out; 1648 1649 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1650 } 1651 1652 err = qlcnic_need_fw_reset(adapter); 1653 if (err == 0) 1654 goto check_fw_status; 1655 1656 err = qlcnic_pinit_from_rom(adapter); 1657 if (err) 1658 goto err_out; 1659 1660 err = qlcnic_load_firmware(adapter); 1661 if (err) 1662 goto err_out; 1663 1664 qlcnic_release_firmware(adapter); 1665 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1666 1667 check_fw_status: 1668 err = qlcnic_check_fw_status(adapter); 1669 if (err) 1670 goto err_out; 1671 1672 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1673 qlcnic_idc_debug_info(adapter, 1); 1674 err = qlcnic_check_eswitch_mode(adapter); 1675 if (err) { 1676 dev_err(&adapter->pdev->dev, 1677 "Memory allocation failed for eswitch\n"); 1678 goto err_out; 1679 } 1680 err = qlcnic_set_mgmt_operations(adapter); 1681 if (err) 1682 goto err_out; 1683 1684 qlcnic_check_options(adapter); 1685 adapter->need_fw_reset = 0; 1686 1687 qlcnic_release_firmware(adapter); 1688 return 0; 1689 1690 err_out: 1691 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1692 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1693 1694 qlcnic_release_firmware(adapter); 1695 return err; 1696 } 1697 1698 static int 1699 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1700 { 1701 irq_handler_t handler; 1702 struct qlcnic_host_sds_ring *sds_ring; 1703 struct qlcnic_host_tx_ring *tx_ring; 1704 int err, ring, num_sds_rings; 1705 1706 unsigned long flags = 0; 1707 struct net_device *netdev = adapter->netdev; 1708 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1709 1710 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1711 if (qlcnic_82xx_check(adapter)) 1712 handler = qlcnic_tmp_intr; 1713 else 1714 handler = qlcnic_83xx_tmp_intr; 1715 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1716 flags |= IRQF_SHARED; 1717 1718 } else { 1719 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1720 handler = qlcnic_msix_intr; 1721 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1722 handler = qlcnic_msi_intr; 1723 else { 1724 flags |= IRQF_SHARED; 1725 if (qlcnic_82xx_check(adapter)) 1726 handler = qlcnic_intr; 1727 else 1728 handler = qlcnic_83xx_intr; 1729 } 1730 } 1731 adapter->irq = netdev->irq; 1732 1733 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1734 if (qlcnic_82xx_check(adapter) || 1735 (qlcnic_83xx_check(adapter) && 1736 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1737 num_sds_rings = adapter->drv_sds_rings; 1738 for (ring = 0; ring < num_sds_rings; ring++) { 1739 sds_ring = &recv_ctx->sds_rings[ring]; 1740 if (qlcnic_82xx_check(adapter) && 1741 !qlcnic_check_multi_tx(adapter) && 1742 (ring == (num_sds_rings - 1))) { 1743 if (!(adapter->flags & 1744 QLCNIC_MSIX_ENABLED)) 1745 snprintf(sds_ring->name, 1746 sizeof(sds_ring->name), 1747 "qlcnic"); 1748 else 1749 snprintf(sds_ring->name, 1750 sizeof(sds_ring->name), 1751 "%s-tx-0-rx-%d", 1752 netdev->name, ring); 1753 } else { 1754 snprintf(sds_ring->name, 1755 sizeof(sds_ring->name), 1756 "%s-rx-%d", 1757 netdev->name, ring); 1758 } 1759 err = request_irq(sds_ring->irq, handler, flags, 1760 sds_ring->name, sds_ring); 1761 if (err) 1762 return err; 1763 } 1764 } 1765 if ((qlcnic_82xx_check(adapter) && 1766 qlcnic_check_multi_tx(adapter)) || 1767 (qlcnic_83xx_check(adapter) && 1768 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1769 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1770 handler = qlcnic_msix_tx_intr; 1771 for (ring = 0; ring < adapter->drv_tx_rings; 1772 ring++) { 1773 tx_ring = &adapter->tx_ring[ring]; 1774 snprintf(tx_ring->name, sizeof(tx_ring->name), 1775 "%s-tx-%d", netdev->name, ring); 1776 err = request_irq(tx_ring->irq, handler, flags, 1777 tx_ring->name, tx_ring); 1778 if (err) 1779 return err; 1780 } 1781 } 1782 } 1783 return 0; 1784 } 1785 1786 static void 1787 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1788 { 1789 int ring; 1790 struct qlcnic_host_sds_ring *sds_ring; 1791 struct qlcnic_host_tx_ring *tx_ring; 1792 1793 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1794 1795 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1796 if (qlcnic_82xx_check(adapter) || 1797 (qlcnic_83xx_check(adapter) && 1798 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1799 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1800 sds_ring = &recv_ctx->sds_rings[ring]; 1801 free_irq(sds_ring->irq, sds_ring); 1802 } 1803 } 1804 if ((qlcnic_83xx_check(adapter) && 1805 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1806 (qlcnic_82xx_check(adapter) && 1807 qlcnic_check_multi_tx(adapter))) { 1808 for (ring = 0; ring < adapter->drv_tx_rings; 1809 ring++) { 1810 tx_ring = &adapter->tx_ring[ring]; 1811 if (tx_ring->irq) 1812 free_irq(tx_ring->irq, tx_ring); 1813 } 1814 } 1815 } 1816 } 1817 1818 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1819 { 1820 u32 capab = 0; 1821 1822 if (qlcnic_82xx_check(adapter)) { 1823 if (adapter->ahw->extra_capability[0] & 1824 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1825 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1826 } else { 1827 capab = adapter->ahw->capabilities; 1828 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1829 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1830 } 1831 } 1832 1833 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1834 { 1835 struct qlcnic_hardware_context *ahw = adapter->ahw; 1836 int err; 1837 1838 /* Initialize interrupt coalesce parameters */ 1839 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1840 1841 if (qlcnic_83xx_check(adapter)) { 1842 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1843 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1844 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1845 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1846 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1847 1848 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1849 } else { 1850 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1851 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1852 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1853 1854 err = qlcnic_82xx_set_rx_coalesce(adapter); 1855 } 1856 1857 return err; 1858 } 1859 1860 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1861 { 1862 int ring; 1863 struct qlcnic_host_rds_ring *rds_ring; 1864 1865 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1866 return -EIO; 1867 1868 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1869 return 0; 1870 1871 if (qlcnic_set_eswitch_port_config(adapter)) 1872 return -EIO; 1873 1874 qlcnic_get_lro_mss_capability(adapter); 1875 1876 if (qlcnic_fw_create_ctx(adapter)) 1877 return -EIO; 1878 1879 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1880 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1881 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1882 } 1883 1884 qlcnic_set_multi(netdev); 1885 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1886 1887 adapter->ahw->linkup = 0; 1888 1889 if (adapter->drv_sds_rings > 1) 1890 qlcnic_config_rss(adapter, 1); 1891 1892 qlcnic_config_def_intr_coalesce(adapter); 1893 1894 if (netdev->features & NETIF_F_LRO) 1895 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1896 1897 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1898 qlcnic_napi_enable(adapter); 1899 1900 qlcnic_linkevent_request(adapter, 1); 1901 1902 adapter->ahw->reset_context = 0; 1903 netif_tx_start_all_queues(netdev); 1904 return 0; 1905 } 1906 1907 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1908 { 1909 int err = 0; 1910 1911 rtnl_lock(); 1912 if (netif_running(netdev)) 1913 err = __qlcnic_up(adapter, netdev); 1914 rtnl_unlock(); 1915 1916 return err; 1917 } 1918 1919 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1920 { 1921 int ring; 1922 1923 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1924 return; 1925 1926 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1927 return; 1928 1929 smp_mb(); 1930 netif_carrier_off(netdev); 1931 adapter->ahw->linkup = 0; 1932 netif_tx_disable(netdev); 1933 1934 qlcnic_free_mac_list(adapter); 1935 1936 if (adapter->fhash.fnum) 1937 qlcnic_delete_lb_filters(adapter); 1938 1939 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1940 if (qlcnic_sriov_vf_check(adapter)) 1941 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1942 1943 qlcnic_napi_disable(adapter); 1944 1945 qlcnic_fw_destroy_ctx(adapter); 1946 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1947 1948 qlcnic_reset_rx_buffers_list(adapter); 1949 1950 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1951 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1952 } 1953 1954 /* Usage: During suspend and firmware recovery module */ 1955 1956 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1957 { 1958 rtnl_lock(); 1959 if (netif_running(netdev)) 1960 __qlcnic_down(adapter, netdev); 1961 rtnl_unlock(); 1962 1963 } 1964 1965 int 1966 qlcnic_attach(struct qlcnic_adapter *adapter) 1967 { 1968 struct net_device *netdev = adapter->netdev; 1969 struct pci_dev *pdev = adapter->pdev; 1970 int err; 1971 1972 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1973 return 0; 1974 1975 err = qlcnic_napi_add(adapter, netdev); 1976 if (err) 1977 return err; 1978 1979 err = qlcnic_alloc_sw_resources(adapter); 1980 if (err) { 1981 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1982 goto err_out_napi_del; 1983 } 1984 1985 err = qlcnic_alloc_hw_resources(adapter); 1986 if (err) { 1987 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1988 goto err_out_free_sw; 1989 } 1990 1991 err = qlcnic_request_irq(adapter); 1992 if (err) { 1993 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1994 goto err_out_free_hw; 1995 } 1996 1997 qlcnic_create_sysfs_entries(adapter); 1998 1999 if (qlcnic_encap_rx_offload(adapter)) 2000 udp_tunnel_nic_reset_ntf(netdev); 2001 2002 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 2003 return 0; 2004 2005 err_out_free_hw: 2006 qlcnic_free_hw_resources(adapter); 2007 err_out_free_sw: 2008 qlcnic_free_sw_resources(adapter); 2009 err_out_napi_del: 2010 qlcnic_napi_del(adapter); 2011 return err; 2012 } 2013 2014 void qlcnic_detach(struct qlcnic_adapter *adapter) 2015 { 2016 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2017 return; 2018 2019 qlcnic_remove_sysfs_entries(adapter); 2020 2021 qlcnic_free_hw_resources(adapter); 2022 qlcnic_release_rx_buffers(adapter); 2023 qlcnic_free_irq(adapter); 2024 qlcnic_napi_del(adapter); 2025 qlcnic_free_sw_resources(adapter); 2026 2027 adapter->is_up = 0; 2028 } 2029 2030 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2031 { 2032 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2033 struct qlcnic_host_sds_ring *sds_ring; 2034 int drv_tx_rings = adapter->drv_tx_rings; 2035 int ring; 2036 2037 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2038 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2039 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2040 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2041 qlcnic_disable_sds_intr(adapter, sds_ring); 2042 } 2043 } 2044 2045 qlcnic_fw_destroy_ctx(adapter); 2046 2047 qlcnic_detach(adapter); 2048 2049 adapter->ahw->diag_test = 0; 2050 adapter->drv_sds_rings = drv_sds_rings; 2051 adapter->drv_tx_rings = drv_tx_rings; 2052 2053 if (qlcnic_attach(adapter)) 2054 goto out; 2055 2056 if (netif_running(netdev)) 2057 __qlcnic_up(adapter, netdev); 2058 out: 2059 netif_device_attach(netdev); 2060 } 2061 2062 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2063 { 2064 struct qlcnic_hardware_context *ahw = adapter->ahw; 2065 int err = 0; 2066 2067 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2068 GFP_KERNEL); 2069 if (!adapter->recv_ctx) { 2070 err = -ENOMEM; 2071 goto err_out; 2072 } 2073 2074 if (qlcnic_83xx_check(adapter)) { 2075 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2076 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2077 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2078 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2079 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2080 } else { 2081 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2082 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2083 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2084 } 2085 2086 /* clear stats */ 2087 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2088 err_out: 2089 return err; 2090 } 2091 2092 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2093 { 2094 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2095 2096 kfree(adapter->recv_ctx); 2097 adapter->recv_ctx = NULL; 2098 2099 if (fw_dump->tmpl_hdr) { 2100 vfree(fw_dump->tmpl_hdr); 2101 fw_dump->tmpl_hdr = NULL; 2102 } 2103 2104 if (fw_dump->dma_buffer) { 2105 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2106 fw_dump->dma_buffer, fw_dump->phys_addr); 2107 fw_dump->dma_buffer = NULL; 2108 } 2109 2110 kfree(adapter->ahw->reset.buff); 2111 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2112 } 2113 2114 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2115 { 2116 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2117 struct qlcnic_host_sds_ring *sds_ring; 2118 struct qlcnic_host_rds_ring *rds_ring; 2119 int ring; 2120 int ret; 2121 2122 netif_device_detach(netdev); 2123 2124 if (netif_running(netdev)) 2125 __qlcnic_down(adapter, netdev); 2126 2127 qlcnic_detach(adapter); 2128 2129 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2130 adapter->ahw->diag_test = test; 2131 adapter->ahw->linkup = 0; 2132 2133 ret = qlcnic_attach(adapter); 2134 if (ret) { 2135 netif_device_attach(netdev); 2136 return ret; 2137 } 2138 2139 ret = qlcnic_fw_create_ctx(adapter); 2140 if (ret) { 2141 qlcnic_detach(adapter); 2142 netif_device_attach(netdev); 2143 return ret; 2144 } 2145 2146 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2147 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2148 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2149 } 2150 2151 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2152 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2153 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2154 qlcnic_enable_sds_intr(adapter, sds_ring); 2155 } 2156 } 2157 2158 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2159 adapter->ahw->loopback_state = 0; 2160 qlcnic_linkevent_request(adapter, 1); 2161 } 2162 2163 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2164 2165 return 0; 2166 } 2167 2168 /* Reset context in hardware only */ 2169 static int 2170 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2171 { 2172 struct net_device *netdev = adapter->netdev; 2173 2174 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2175 return -EBUSY; 2176 2177 netif_device_detach(netdev); 2178 2179 qlcnic_down(adapter, netdev); 2180 2181 qlcnic_up(adapter, netdev); 2182 2183 netif_device_attach(netdev); 2184 2185 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2186 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2187 return 0; 2188 } 2189 2190 int 2191 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2192 { 2193 int err = 0; 2194 struct net_device *netdev = adapter->netdev; 2195 2196 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2197 return -EBUSY; 2198 2199 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2200 2201 netif_device_detach(netdev); 2202 2203 if (netif_running(netdev)) 2204 __qlcnic_down(adapter, netdev); 2205 2206 qlcnic_detach(adapter); 2207 2208 if (netif_running(netdev)) { 2209 err = qlcnic_attach(adapter); 2210 if (!err) { 2211 __qlcnic_up(adapter, netdev); 2212 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2213 } 2214 } 2215 2216 netif_device_attach(netdev); 2217 } 2218 2219 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2220 return err; 2221 } 2222 2223 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2224 { 2225 struct qlcnic_hardware_context *ahw = adapter->ahw; 2226 u16 act_pci_fn = ahw->total_nic_func; 2227 u16 count; 2228 2229 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2230 if (act_pci_fn <= 2) 2231 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2232 act_pci_fn; 2233 else 2234 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2235 act_pci_fn; 2236 ahw->max_uc_count = count; 2237 } 2238 2239 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2240 u8 tx_queues, u8 rx_queues) 2241 { 2242 struct net_device *netdev = adapter->netdev; 2243 int err = 0; 2244 2245 if (tx_queues) { 2246 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2247 if (err) { 2248 netdev_err(netdev, "failed to set %d Tx queues\n", 2249 tx_queues); 2250 return err; 2251 } 2252 } 2253 2254 if (rx_queues) { 2255 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2256 if (err) 2257 netdev_err(netdev, "failed to set %d Rx queues\n", 2258 rx_queues); 2259 } 2260 2261 return err; 2262 } 2263 2264 int 2265 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2266 int pci_using_dac) 2267 { 2268 int err; 2269 struct pci_dev *pdev = adapter->pdev; 2270 2271 adapter->rx_csum = 1; 2272 adapter->ahw->mc_enabled = 0; 2273 qlcnic_set_mac_filter_count(adapter); 2274 2275 netdev->netdev_ops = &qlcnic_netdev_ops; 2276 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2277 2278 qlcnic_change_mtu(netdev, netdev->mtu); 2279 2280 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2281 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2282 2283 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2284 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2285 NETIF_F_HW_VLAN_CTAG_RX); 2286 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2287 NETIF_F_IPV6_CSUM); 2288 2289 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2290 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2291 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2292 } 2293 2294 if (pci_using_dac) { 2295 netdev->features |= NETIF_F_HIGHDMA; 2296 netdev->vlan_features |= NETIF_F_HIGHDMA; 2297 } 2298 2299 if (qlcnic_vlan_tx_check(adapter)) 2300 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2301 2302 if (qlcnic_sriov_vf_check(adapter)) 2303 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2304 2305 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2306 netdev->features |= NETIF_F_LRO; 2307 2308 if (qlcnic_encap_tx_offload(adapter)) { 2309 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2310 2311 /* encapsulation Tx offload supported by Adapter */ 2312 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2313 NETIF_F_GSO_UDP_TUNNEL | 2314 NETIF_F_TSO | 2315 NETIF_F_TSO6; 2316 } 2317 2318 if (qlcnic_encap_rx_offload(adapter)) { 2319 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2320 2321 netdev->udp_tunnel_nic_info = &qlcnic_udp_tunnels; 2322 } 2323 2324 netdev->hw_features = netdev->features; 2325 netdev->priv_flags |= IFF_UNICAST_FLT; 2326 netdev->irq = adapter->msix_entries[0].vector; 2327 2328 /* MTU range: 68 - 9600 */ 2329 netdev->min_mtu = P3P_MIN_MTU; 2330 netdev->max_mtu = P3P_MAX_MTU; 2331 2332 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2333 adapter->drv_sds_rings); 2334 if (err) 2335 return err; 2336 2337 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2338 2339 err = register_netdev(netdev); 2340 if (err) { 2341 dev_err(&pdev->dev, "failed to register net device\n"); 2342 return err; 2343 } 2344 2345 return 0; 2346 } 2347 2348 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2349 { 2350 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2351 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2352 *pci_using_dac = 1; 2353 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2354 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2355 *pci_using_dac = 0; 2356 else { 2357 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2358 return -EIO; 2359 } 2360 2361 return 0; 2362 } 2363 2364 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2365 { 2366 int ring; 2367 struct qlcnic_host_tx_ring *tx_ring; 2368 2369 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2370 tx_ring = &adapter->tx_ring[ring]; 2371 if (tx_ring) { 2372 vfree(tx_ring->cmd_buf_arr); 2373 tx_ring->cmd_buf_arr = NULL; 2374 } 2375 } 2376 kfree(adapter->tx_ring); 2377 } 2378 2379 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2380 struct net_device *netdev) 2381 { 2382 int ring, vector, index; 2383 struct qlcnic_host_tx_ring *tx_ring; 2384 struct qlcnic_cmd_buffer *cmd_buf_arr; 2385 2386 tx_ring = kcalloc(adapter->drv_tx_rings, 2387 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2388 if (tx_ring == NULL) 2389 return -ENOMEM; 2390 2391 adapter->tx_ring = tx_ring; 2392 2393 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2394 tx_ring = &adapter->tx_ring[ring]; 2395 tx_ring->num_desc = adapter->num_txd; 2396 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2397 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2398 if (cmd_buf_arr == NULL) { 2399 qlcnic_free_tx_rings(adapter); 2400 return -ENOMEM; 2401 } 2402 tx_ring->cmd_buf_arr = cmd_buf_arr; 2403 spin_lock_init(&tx_ring->tx_clean_lock); 2404 } 2405 2406 if (qlcnic_83xx_check(adapter) || 2407 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2408 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2409 tx_ring = &adapter->tx_ring[ring]; 2410 tx_ring->adapter = adapter; 2411 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2412 index = adapter->drv_sds_rings + ring; 2413 vector = adapter->msix_entries[index].vector; 2414 tx_ring->irq = vector; 2415 } 2416 } 2417 } 2418 2419 return 0; 2420 } 2421 2422 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2423 { 2424 struct qlcnic_hardware_context *ahw = adapter->ahw; 2425 u32 fw_cmd = 0; 2426 2427 if (qlcnic_82xx_check(adapter)) 2428 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2429 else if (qlcnic_83xx_check(adapter)) 2430 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2431 2432 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2433 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2434 } 2435 2436 /* Reset firmware API lock */ 2437 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2438 { 2439 qlcnic_api_lock(adapter); 2440 qlcnic_api_unlock(adapter); 2441 } 2442 2443 2444 static int 2445 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2446 { 2447 struct net_device *netdev = NULL; 2448 struct qlcnic_adapter *adapter = NULL; 2449 struct qlcnic_hardware_context *ahw; 2450 int err, pci_using_dac = -1; 2451 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2452 2453 err = pci_enable_device(pdev); 2454 if (err) 2455 return err; 2456 2457 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2458 err = -ENODEV; 2459 goto err_out_disable_pdev; 2460 } 2461 2462 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2463 if (err) 2464 goto err_out_disable_pdev; 2465 2466 err = pci_request_regions(pdev, qlcnic_driver_name); 2467 if (err) 2468 goto err_out_disable_pdev; 2469 2470 pci_set_master(pdev); 2471 pci_enable_pcie_error_reporting(pdev); 2472 2473 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2474 if (!ahw) { 2475 err = -ENOMEM; 2476 goto err_out_free_res; 2477 } 2478 2479 switch (ent->device) { 2480 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2481 ahw->hw_ops = &qlcnic_hw_ops; 2482 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2483 break; 2484 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2485 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2486 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2487 qlcnic_83xx_register_map(ahw); 2488 break; 2489 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2490 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 2491 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2492 qlcnic_sriov_vf_register_map(ahw); 2493 break; 2494 default: 2495 err = -EINVAL; 2496 goto err_out_free_hw_res; 2497 } 2498 2499 err = qlcnic_setup_pci_map(pdev, ahw); 2500 if (err) 2501 goto err_out_free_hw_res; 2502 2503 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2504 QLCNIC_MAX_TX_RINGS); 2505 if (!netdev) { 2506 err = -ENOMEM; 2507 goto err_out_iounmap; 2508 } 2509 2510 SET_NETDEV_DEV(netdev, &pdev->dev); 2511 2512 adapter = netdev_priv(netdev); 2513 adapter->netdev = netdev; 2514 adapter->pdev = pdev; 2515 adapter->ahw = ahw; 2516 2517 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2518 if (adapter->qlcnic_wq == NULL) { 2519 err = -ENOMEM; 2520 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2521 goto err_out_free_netdev; 2522 } 2523 2524 err = qlcnic_alloc_adapter_resources(adapter); 2525 if (err) 2526 goto err_out_free_wq; 2527 2528 adapter->dev_rst_time = jiffies; 2529 ahw->revision_id = pdev->revision; 2530 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2531 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2532 adapter->fdb_mac_learn = true; 2533 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2534 adapter->drv_mac_learn = true; 2535 2536 rwlock_init(&adapter->ahw->crb_lock); 2537 mutex_init(&adapter->ahw->mem_lock); 2538 2539 INIT_LIST_HEAD(&adapter->mac_list); 2540 2541 qlcnic_register_dcb(adapter); 2542 2543 if (qlcnic_82xx_check(adapter)) { 2544 qlcnic_check_vf(adapter, ent); 2545 adapter->portnum = adapter->ahw->pci_func; 2546 qlcnic_reset_api_lock(adapter); 2547 err = qlcnic_start_firmware(adapter); 2548 if (err) { 2549 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2550 "\t\tIf reboot doesn't help, try flashing the card\n"); 2551 goto err_out_maintenance_mode; 2552 } 2553 2554 /* compute and set default and max tx/sds rings */ 2555 if (adapter->ahw->msix_supported) { 2556 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2557 qlcnic_set_tx_ring_count(adapter, 2558 QLCNIC_SINGLE_RING); 2559 else 2560 qlcnic_set_tx_ring_count(adapter, 2561 QLCNIC_DEF_TX_RINGS); 2562 qlcnic_set_sds_ring_count(adapter, 2563 QLCNIC_DEF_SDS_RINGS); 2564 } else { 2565 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2566 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2567 } 2568 2569 err = qlcnic_setup_idc_param(adapter); 2570 if (err) 2571 goto err_out_free_hw; 2572 2573 adapter->flags |= QLCNIC_NEED_FLR; 2574 2575 } else if (qlcnic_83xx_check(adapter)) { 2576 qlcnic_83xx_check_vf(adapter, ent); 2577 adapter->portnum = adapter->ahw->pci_func; 2578 err = qlcnic_83xx_init(adapter, pci_using_dac); 2579 if (err) { 2580 switch (err) { 2581 case -ENOTRECOVERABLE: 2582 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2583 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2584 goto err_out_free_hw; 2585 case -ENOMEM: 2586 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2587 goto err_out_free_hw; 2588 case -EOPNOTSUPP: 2589 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2590 goto err_out_free_hw; 2591 default: 2592 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2593 goto err_out_maintenance_mode; 2594 } 2595 } 2596 2597 if (qlcnic_sriov_vf_check(adapter)) 2598 return 0; 2599 } else { 2600 dev_err(&pdev->dev, 2601 "%s: failed. Please Reboot\n", __func__); 2602 err = -ENODEV; 2603 goto err_out_free_hw; 2604 } 2605 2606 if (qlcnic_read_mac_addr(adapter)) 2607 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2608 2609 qlcnic_read_phys_port_id(adapter); 2610 2611 if (adapter->portnum == 0) { 2612 qlcnic_get_board_name(adapter, board_name); 2613 2614 pr_info("%s: %s Board Chip rev 0x%x\n", 2615 module_name(THIS_MODULE), 2616 board_name, adapter->ahw->revision_id); 2617 } 2618 2619 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2620 !!qlcnic_use_msi) 2621 dev_warn(&pdev->dev, 2622 "Device does not support MSI interrupts\n"); 2623 2624 if (qlcnic_82xx_check(adapter)) { 2625 qlcnic_dcb_enable(adapter->dcb); 2626 qlcnic_dcb_get_info(adapter->dcb); 2627 err = qlcnic_setup_intr(adapter); 2628 2629 if (err) { 2630 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2631 goto err_out_disable_msi; 2632 } 2633 } 2634 2635 err = qlcnic_get_act_pci_func(adapter); 2636 if (err) 2637 goto err_out_disable_mbx_intr; 2638 2639 if (adapter->portnum == 0) 2640 qlcnic_set_drv_version(adapter); 2641 2642 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2643 if (err) 2644 goto err_out_disable_mbx_intr; 2645 2646 pci_set_drvdata(pdev, adapter); 2647 2648 if (qlcnic_82xx_check(adapter)) 2649 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2650 FW_POLL_DELAY); 2651 2652 switch (adapter->ahw->port_type) { 2653 case QLCNIC_GBE: 2654 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2655 adapter->netdev->name); 2656 break; 2657 case QLCNIC_XGBE: 2658 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2659 adapter->netdev->name); 2660 break; 2661 } 2662 2663 if (adapter->drv_mac_learn) 2664 qlcnic_alloc_lb_filters_mem(adapter); 2665 2666 qlcnic_add_sysfs(adapter); 2667 qlcnic_register_hwmon_dev(adapter); 2668 return 0; 2669 2670 err_out_disable_mbx_intr: 2671 if (qlcnic_83xx_check(adapter)) 2672 qlcnic_83xx_free_mbx_intr(adapter); 2673 2674 err_out_disable_msi: 2675 qlcnic_teardown_intr(adapter); 2676 qlcnic_cancel_idc_work(adapter); 2677 qlcnic_clr_all_drv_state(adapter, 0); 2678 2679 err_out_free_hw: 2680 qlcnic_free_adapter_resources(adapter); 2681 2682 err_out_free_wq: 2683 destroy_workqueue(adapter->qlcnic_wq); 2684 2685 err_out_free_netdev: 2686 free_netdev(netdev); 2687 2688 err_out_iounmap: 2689 qlcnic_cleanup_pci_map(ahw); 2690 2691 err_out_free_hw_res: 2692 kfree(ahw); 2693 2694 err_out_free_res: 2695 pci_release_regions(pdev); 2696 2697 err_out_disable_pdev: 2698 pci_disable_device(pdev); 2699 return err; 2700 2701 err_out_maintenance_mode: 2702 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2703 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2704 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2705 ahw->port_type = QLCNIC_XGBE; 2706 2707 if (qlcnic_83xx_check(adapter)) 2708 adapter->tgt_status_reg = NULL; 2709 else 2710 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2711 2712 err = register_netdev(netdev); 2713 2714 if (err) { 2715 dev_err(&pdev->dev, "Failed to register net device\n"); 2716 qlcnic_clr_all_drv_state(adapter, 0); 2717 goto err_out_free_hw; 2718 } 2719 2720 pci_set_drvdata(pdev, adapter); 2721 qlcnic_add_sysfs(adapter); 2722 2723 return 0; 2724 } 2725 2726 static void qlcnic_remove(struct pci_dev *pdev) 2727 { 2728 struct qlcnic_adapter *adapter; 2729 struct net_device *netdev; 2730 struct qlcnic_hardware_context *ahw; 2731 2732 adapter = pci_get_drvdata(pdev); 2733 if (adapter == NULL) 2734 return; 2735 2736 netdev = adapter->netdev; 2737 2738 qlcnic_cancel_idc_work(adapter); 2739 qlcnic_sriov_pf_disable(adapter); 2740 ahw = adapter->ahw; 2741 2742 unregister_netdev(netdev); 2743 qlcnic_sriov_cleanup(adapter); 2744 2745 if (qlcnic_83xx_check(adapter)) { 2746 qlcnic_83xx_initialize_nic(adapter, 0); 2747 cancel_delayed_work_sync(&adapter->idc_aen_work); 2748 qlcnic_83xx_free_mbx_intr(adapter); 2749 qlcnic_83xx_detach_mailbox_work(adapter); 2750 qlcnic_83xx_free_mailbox(ahw->mailbox); 2751 kfree(ahw->fw_info); 2752 } 2753 2754 qlcnic_dcb_free(adapter->dcb); 2755 qlcnic_detach(adapter); 2756 kfree(adapter->npars); 2757 kfree(adapter->eswitch); 2758 2759 if (qlcnic_82xx_check(adapter)) 2760 qlcnic_clr_all_drv_state(adapter, 0); 2761 2762 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2763 2764 qlcnic_free_lb_filters_mem(adapter); 2765 2766 qlcnic_teardown_intr(adapter); 2767 2768 qlcnic_remove_sysfs(adapter); 2769 2770 qlcnic_unregister_hwmon_dev(adapter); 2771 2772 qlcnic_cleanup_pci_map(adapter->ahw); 2773 2774 qlcnic_release_firmware(adapter); 2775 2776 pci_disable_pcie_error_reporting(pdev); 2777 pci_release_regions(pdev); 2778 pci_disable_device(pdev); 2779 2780 if (adapter->qlcnic_wq) { 2781 destroy_workqueue(adapter->qlcnic_wq); 2782 adapter->qlcnic_wq = NULL; 2783 } 2784 2785 qlcnic_free_adapter_resources(adapter); 2786 kfree(ahw); 2787 free_netdev(netdev); 2788 } 2789 2790 static void qlcnic_shutdown(struct pci_dev *pdev) 2791 { 2792 if (__qlcnic_shutdown(pdev)) 2793 return; 2794 2795 pci_disable_device(pdev); 2796 } 2797 2798 static int __maybe_unused qlcnic_suspend(struct device *dev_d) 2799 { 2800 return __qlcnic_shutdown(to_pci_dev(dev_d)); 2801 } 2802 2803 static int __maybe_unused qlcnic_resume(struct device *dev_d) 2804 { 2805 struct qlcnic_adapter *adapter = dev_get_drvdata(dev_d); 2806 2807 return __qlcnic_resume(adapter); 2808 } 2809 2810 static int qlcnic_open(struct net_device *netdev) 2811 { 2812 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2813 int err; 2814 2815 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2816 netdev_err(netdev, "%s: Device is in non-operational state\n", 2817 __func__); 2818 2819 return -EIO; 2820 } 2821 2822 netif_carrier_off(netdev); 2823 2824 err = qlcnic_attach(adapter); 2825 if (err) 2826 return err; 2827 2828 err = __qlcnic_up(adapter, netdev); 2829 if (err) 2830 qlcnic_detach(adapter); 2831 2832 return err; 2833 } 2834 2835 /* 2836 * qlcnic_close - Disables a network interface entry point 2837 */ 2838 static int qlcnic_close(struct net_device *netdev) 2839 { 2840 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2841 2842 __qlcnic_down(adapter, netdev); 2843 2844 return 0; 2845 } 2846 2847 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2848 2849 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2850 { 2851 void *head; 2852 int i; 2853 struct net_device *netdev = adapter->netdev; 2854 u32 filter_size = 0; 2855 u16 act_pci_func = 0; 2856 2857 if (adapter->fhash.fmax && adapter->fhash.fhead) 2858 return; 2859 2860 act_pci_func = adapter->ahw->total_nic_func; 2861 spin_lock_init(&adapter->mac_learn_lock); 2862 spin_lock_init(&adapter->rx_mac_learn_lock); 2863 2864 if (qlcnic_sriov_vf_check(adapter)) { 2865 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2866 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2867 } else if (qlcnic_82xx_check(adapter)) { 2868 filter_size = QLCNIC_LB_MAX_FILTERS; 2869 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2870 } else { 2871 filter_size = QLC_83XX_LB_MAX_FILTERS; 2872 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2873 } 2874 2875 head = kcalloc(adapter->fhash.fbucket_size, 2876 sizeof(struct hlist_head), GFP_ATOMIC); 2877 2878 if (!head) 2879 return; 2880 2881 adapter->fhash.fmax = (filter_size / act_pci_func); 2882 adapter->fhash.fhead = head; 2883 2884 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2885 act_pci_func, adapter->fhash.fmax); 2886 2887 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2888 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2889 2890 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2891 2892 head = kcalloc(adapter->rx_fhash.fbucket_size, 2893 sizeof(struct hlist_head), GFP_ATOMIC); 2894 2895 if (!head) 2896 return; 2897 2898 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2899 adapter->rx_fhash.fhead = head; 2900 2901 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2902 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2903 } 2904 2905 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2906 { 2907 if (adapter->fhash.fmax) 2908 kfree(adapter->fhash.fhead); 2909 2910 adapter->fhash.fhead = NULL; 2911 adapter->fhash.fmax = 0; 2912 2913 if (adapter->rx_fhash.fmax) 2914 kfree(adapter->rx_fhash.fhead); 2915 2916 adapter->rx_fhash.fmax = 0; 2917 adapter->rx_fhash.fhead = NULL; 2918 } 2919 2920 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2921 { 2922 struct net_device *netdev = adapter->netdev; 2923 u32 temp_state, temp_val, temp = 0; 2924 int rv = 0; 2925 2926 if (qlcnic_83xx_check(adapter)) 2927 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2928 2929 if (qlcnic_82xx_check(adapter)) 2930 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2931 2932 temp_state = qlcnic_get_temp_state(temp); 2933 temp_val = qlcnic_get_temp_val(temp); 2934 2935 if (temp_state == QLCNIC_TEMP_PANIC) { 2936 dev_err(&netdev->dev, 2937 "Device temperature %d degrees C exceeds" 2938 " maximum allowed. Hardware has been shut down.\n", 2939 temp_val); 2940 rv = 1; 2941 } else if (temp_state == QLCNIC_TEMP_WARN) { 2942 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2943 dev_err(&netdev->dev, 2944 "Device temperature %d degrees C " 2945 "exceeds operating range." 2946 " Immediate action needed.\n", 2947 temp_val); 2948 } 2949 } else { 2950 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2951 dev_info(&netdev->dev, 2952 "Device temperature is now %d degrees C" 2953 " in normal range.\n", temp_val); 2954 } 2955 } 2956 adapter->ahw->temp = temp_state; 2957 return rv; 2958 } 2959 2960 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2961 { 2962 int i; 2963 2964 for (i = 0; i < tx_ring->num_desc; i++) { 2965 pr_info("TX Desc: %d\n", i); 2966 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 2967 &tx_ring->desc_head[i], 2968 sizeof(struct cmd_desc_type0), true); 2969 } 2970 } 2971 2972 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 2973 { 2974 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2975 struct net_device *netdev = adapter->netdev; 2976 struct qlcnic_host_rds_ring *rds_ring; 2977 struct qlcnic_host_sds_ring *sds_ring; 2978 struct qlcnic_host_tx_ring *tx_ring; 2979 int ring; 2980 2981 if (!netdev || !netif_running(netdev)) 2982 return; 2983 2984 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2985 rds_ring = &recv_ctx->rds_rings[ring]; 2986 if (!rds_ring) 2987 continue; 2988 netdev_info(netdev, 2989 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 2990 ring, readl(rds_ring->crb_rcv_producer), 2991 rds_ring->producer, rds_ring->num_desc); 2992 } 2993 2994 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2995 sds_ring = &(recv_ctx->sds_rings[ring]); 2996 if (!sds_ring) 2997 continue; 2998 netdev_info(netdev, 2999 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 3000 ring, readl(sds_ring->crb_sts_consumer), 3001 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3002 sds_ring->num_desc); 3003 } 3004 3005 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3006 tx_ring = &adapter->tx_ring[ring]; 3007 if (!tx_ring) 3008 continue; 3009 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3010 ring, tx_ring->ctx_id); 3011 netdev_info(netdev, 3012 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3013 tx_ring->tx_stats.xmit_finished, 3014 tx_ring->tx_stats.xmit_called, 3015 tx_ring->tx_stats.xmit_on, 3016 tx_ring->tx_stats.xmit_off); 3017 3018 if (tx_ring->crb_intr_mask) 3019 netdev_info(netdev, "crb_intr_mask=%d\n", 3020 readl(tx_ring->crb_intr_mask)); 3021 3022 netdev_info(netdev, 3023 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3024 readl(tx_ring->crb_cmd_producer), 3025 tx_ring->producer, tx_ring->sw_consumer, 3026 le32_to_cpu(*(tx_ring->hw_consumer))); 3027 3028 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3029 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3030 3031 if (netif_msg_tx_err(adapter->ahw)) 3032 dump_tx_ring_desc(tx_ring); 3033 } 3034 3035 } 3036 3037 static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue) 3038 { 3039 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3040 3041 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3042 return; 3043 3044 qlcnic_dump_rings(adapter); 3045 3046 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3047 netif_msg_tx_err(adapter->ahw)) { 3048 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3049 if (qlcnic_82xx_check(adapter)) 3050 adapter->need_fw_reset = 1; 3051 else if (qlcnic_83xx_check(adapter)) 3052 qlcnic_83xx_idc_request_reset(adapter, 3053 QLCNIC_FORCE_FW_DUMP_KEY); 3054 } else { 3055 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3056 adapter->ahw->reset_context = 1; 3057 } 3058 } 3059 3060 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3061 { 3062 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3063 struct net_device_stats *stats = &netdev->stats; 3064 3065 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3066 qlcnic_update_stats(adapter); 3067 3068 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3069 stats->tx_packets = adapter->stats.xmitfinished; 3070 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3071 stats->tx_bytes = adapter->stats.txbytes; 3072 stats->rx_dropped = adapter->stats.rxdropped; 3073 stats->tx_dropped = adapter->stats.txdropped; 3074 3075 return stats; 3076 } 3077 3078 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3079 { 3080 u32 status; 3081 3082 status = readl(adapter->isr_int_vec); 3083 3084 if (!(status & adapter->ahw->int_vec_bit)) 3085 return IRQ_NONE; 3086 3087 /* check interrupt state machine, to be sure */ 3088 status = readl(adapter->crb_int_state_reg); 3089 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3090 return IRQ_NONE; 3091 3092 writel(0xffffffff, adapter->tgt_status_reg); 3093 /* read twice to ensure write is flushed */ 3094 readl(adapter->isr_int_vec); 3095 readl(adapter->isr_int_vec); 3096 3097 return IRQ_HANDLED; 3098 } 3099 3100 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3101 { 3102 struct qlcnic_host_sds_ring *sds_ring = data; 3103 struct qlcnic_adapter *adapter = sds_ring->adapter; 3104 3105 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3106 goto done; 3107 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3108 writel(0xffffffff, adapter->tgt_status_reg); 3109 goto done; 3110 } 3111 3112 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3113 return IRQ_NONE; 3114 3115 done: 3116 adapter->ahw->diag_cnt++; 3117 qlcnic_enable_sds_intr(adapter, sds_ring); 3118 return IRQ_HANDLED; 3119 } 3120 3121 static irqreturn_t qlcnic_intr(int irq, void *data) 3122 { 3123 struct qlcnic_host_sds_ring *sds_ring = data; 3124 struct qlcnic_adapter *adapter = sds_ring->adapter; 3125 3126 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3127 return IRQ_NONE; 3128 3129 napi_schedule(&sds_ring->napi); 3130 3131 return IRQ_HANDLED; 3132 } 3133 3134 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3135 { 3136 struct qlcnic_host_sds_ring *sds_ring = data; 3137 struct qlcnic_adapter *adapter = sds_ring->adapter; 3138 3139 /* clear interrupt */ 3140 writel(0xffffffff, adapter->tgt_status_reg); 3141 3142 napi_schedule(&sds_ring->napi); 3143 return IRQ_HANDLED; 3144 } 3145 3146 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3147 { 3148 struct qlcnic_host_sds_ring *sds_ring = data; 3149 3150 napi_schedule(&sds_ring->napi); 3151 return IRQ_HANDLED; 3152 } 3153 3154 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3155 { 3156 struct qlcnic_host_tx_ring *tx_ring = data; 3157 3158 napi_schedule(&tx_ring->napi); 3159 return IRQ_HANDLED; 3160 } 3161 3162 static void 3163 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3164 { 3165 u32 val; 3166 3167 val = adapter->portnum & 0xf; 3168 val |= encoding << 7; 3169 val |= (jiffies - adapter->dev_rst_time) << 8; 3170 3171 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3172 adapter->dev_rst_time = jiffies; 3173 } 3174 3175 static int 3176 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3177 { 3178 u32 val; 3179 3180 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3181 state != QLCNIC_DEV_NEED_QUISCENT); 3182 3183 if (qlcnic_api_lock(adapter)) 3184 return -EIO; 3185 3186 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3187 3188 if (state == QLCNIC_DEV_NEED_RESET) 3189 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3190 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3191 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3192 3193 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3194 3195 qlcnic_api_unlock(adapter); 3196 3197 return 0; 3198 } 3199 3200 static int 3201 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3202 { 3203 u32 val; 3204 3205 if (qlcnic_api_lock(adapter)) 3206 return -EBUSY; 3207 3208 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3209 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3210 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3211 3212 qlcnic_api_unlock(adapter); 3213 3214 return 0; 3215 } 3216 3217 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3218 { 3219 u32 val; 3220 3221 if (qlcnic_api_lock(adapter)) 3222 goto err; 3223 3224 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3225 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3226 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3227 3228 if (failed) { 3229 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3230 QLCNIC_DEV_FAILED); 3231 dev_info(&adapter->pdev->dev, 3232 "Device state set to Failed. Please Reboot\n"); 3233 } else if (!(val & 0x11111111)) 3234 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3235 QLCNIC_DEV_COLD); 3236 3237 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3238 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3239 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3240 3241 qlcnic_api_unlock(adapter); 3242 err: 3243 adapter->fw_fail_cnt = 0; 3244 adapter->flags &= ~QLCNIC_FW_HANG; 3245 clear_bit(__QLCNIC_START_FW, &adapter->state); 3246 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3247 } 3248 3249 /* Grab api lock, before checking state */ 3250 static int 3251 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3252 { 3253 int act, state, active_mask; 3254 struct qlcnic_hardware_context *ahw = adapter->ahw; 3255 3256 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3257 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3258 3259 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3260 active_mask = (~(1 << (ahw->pci_func * 4))); 3261 act = act & active_mask; 3262 } 3263 3264 if (((state & 0x11111111) == (act & 0x11111111)) || 3265 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3266 return 0; 3267 else 3268 return 1; 3269 } 3270 3271 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3272 { 3273 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3274 3275 if (val != QLCNIC_DRV_IDC_VER) { 3276 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3277 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3278 } 3279 3280 return 0; 3281 } 3282 3283 static int 3284 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3285 { 3286 u32 val, prev_state; 3287 u8 dev_init_timeo = adapter->dev_init_timeo; 3288 u8 portnum = adapter->portnum; 3289 u8 ret; 3290 3291 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3292 return 1; 3293 3294 if (qlcnic_api_lock(adapter)) 3295 return -1; 3296 3297 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3298 if (!(val & (1 << (portnum * 4)))) { 3299 QLC_DEV_SET_REF_CNT(val, portnum); 3300 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3301 } 3302 3303 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3304 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3305 3306 switch (prev_state) { 3307 case QLCNIC_DEV_COLD: 3308 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3309 QLCNIC_DEV_INITIALIZING); 3310 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3311 QLCNIC_DRV_IDC_VER); 3312 qlcnic_idc_debug_info(adapter, 0); 3313 qlcnic_api_unlock(adapter); 3314 return 1; 3315 3316 case QLCNIC_DEV_READY: 3317 ret = qlcnic_check_idc_ver(adapter); 3318 qlcnic_api_unlock(adapter); 3319 return ret; 3320 3321 case QLCNIC_DEV_NEED_RESET: 3322 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3323 QLC_DEV_SET_RST_RDY(val, portnum); 3324 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3325 break; 3326 3327 case QLCNIC_DEV_NEED_QUISCENT: 3328 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3329 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3330 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3331 break; 3332 3333 case QLCNIC_DEV_FAILED: 3334 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3335 qlcnic_api_unlock(adapter); 3336 return -1; 3337 3338 case QLCNIC_DEV_INITIALIZING: 3339 case QLCNIC_DEV_QUISCENT: 3340 break; 3341 } 3342 3343 qlcnic_api_unlock(adapter); 3344 3345 do { 3346 msleep(1000); 3347 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3348 3349 if (prev_state == QLCNIC_DEV_QUISCENT) 3350 continue; 3351 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3352 3353 if (!dev_init_timeo) { 3354 dev_err(&adapter->pdev->dev, 3355 "Waiting for device to initialize timeout\n"); 3356 return -1; 3357 } 3358 3359 if (qlcnic_api_lock(adapter)) 3360 return -1; 3361 3362 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3363 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3364 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3365 3366 ret = qlcnic_check_idc_ver(adapter); 3367 qlcnic_api_unlock(adapter); 3368 3369 return ret; 3370 } 3371 3372 static void 3373 qlcnic_fwinit_work(struct work_struct *work) 3374 { 3375 struct qlcnic_adapter *adapter = container_of(work, 3376 struct qlcnic_adapter, fw_work.work); 3377 u32 dev_state = 0xf; 3378 u32 val; 3379 3380 if (qlcnic_api_lock(adapter)) 3381 goto err_ret; 3382 3383 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3384 if (dev_state == QLCNIC_DEV_QUISCENT || 3385 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3386 qlcnic_api_unlock(adapter); 3387 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3388 FW_POLL_DELAY * 2); 3389 return; 3390 } 3391 3392 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3393 qlcnic_api_unlock(adapter); 3394 goto wait_npar; 3395 } 3396 3397 if (dev_state == QLCNIC_DEV_INITIALIZING || 3398 dev_state == QLCNIC_DEV_READY) { 3399 dev_info(&adapter->pdev->dev, "Detected state change from " 3400 "DEV_NEED_RESET, skipping ack check\n"); 3401 goto skip_ack_check; 3402 } 3403 3404 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3405 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3406 adapter->reset_ack_timeo); 3407 goto skip_ack_check; 3408 } 3409 3410 if (!qlcnic_check_drv_state(adapter)) { 3411 skip_ack_check: 3412 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3413 3414 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3415 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3416 QLCNIC_DEV_INITIALIZING); 3417 set_bit(__QLCNIC_START_FW, &adapter->state); 3418 QLCDB(adapter, DRV, "Restarting fw\n"); 3419 qlcnic_idc_debug_info(adapter, 0); 3420 val = QLC_SHARED_REG_RD32(adapter, 3421 QLCNIC_CRB_DRV_STATE); 3422 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3423 QLC_SHARED_REG_WR32(adapter, 3424 QLCNIC_CRB_DRV_STATE, val); 3425 } 3426 3427 qlcnic_api_unlock(adapter); 3428 3429 rtnl_lock(); 3430 if (qlcnic_check_fw_dump_state(adapter) && 3431 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3432 QLCDB(adapter, DRV, "Take FW dump\n"); 3433 qlcnic_dump_fw(adapter); 3434 adapter->flags |= QLCNIC_FW_HANG; 3435 } 3436 rtnl_unlock(); 3437 3438 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3439 if (!adapter->nic_ops->start_firmware(adapter)) { 3440 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3441 adapter->fw_wait_cnt = 0; 3442 return; 3443 } 3444 goto err_ret; 3445 } 3446 3447 qlcnic_api_unlock(adapter); 3448 3449 wait_npar: 3450 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3451 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3452 3453 switch (dev_state) { 3454 case QLCNIC_DEV_READY: 3455 if (!qlcnic_start_firmware(adapter)) { 3456 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3457 adapter->fw_wait_cnt = 0; 3458 return; 3459 } 3460 case QLCNIC_DEV_FAILED: 3461 break; 3462 default: 3463 qlcnic_schedule_work(adapter, 3464 qlcnic_fwinit_work, FW_POLL_DELAY); 3465 return; 3466 } 3467 3468 err_ret: 3469 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3470 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3471 netif_device_attach(adapter->netdev); 3472 qlcnic_clr_all_drv_state(adapter, 0); 3473 } 3474 3475 static void 3476 qlcnic_detach_work(struct work_struct *work) 3477 { 3478 struct qlcnic_adapter *adapter = container_of(work, 3479 struct qlcnic_adapter, fw_work.work); 3480 struct net_device *netdev = adapter->netdev; 3481 u32 status; 3482 3483 netif_device_detach(netdev); 3484 3485 /* Dont grab rtnl lock during Quiscent mode */ 3486 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3487 if (netif_running(netdev)) 3488 __qlcnic_down(adapter, netdev); 3489 } else 3490 qlcnic_down(adapter, netdev); 3491 3492 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3493 3494 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3495 dev_err(&adapter->pdev->dev, 3496 "Detaching the device: peg halt status1=0x%x\n", 3497 status); 3498 3499 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3500 dev_err(&adapter->pdev->dev, 3501 "On board active cooling fan failed. " 3502 "Device has been halted.\n"); 3503 dev_err(&adapter->pdev->dev, 3504 "Replace the adapter.\n"); 3505 } 3506 3507 goto err_ret; 3508 } 3509 3510 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3511 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3512 adapter->ahw->temp); 3513 goto err_ret; 3514 } 3515 3516 /* Dont ack if this instance is the reset owner */ 3517 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3518 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3519 dev_err(&adapter->pdev->dev, 3520 "Failed to set driver state," 3521 "detaching the device.\n"); 3522 goto err_ret; 3523 } 3524 } 3525 3526 adapter->fw_wait_cnt = 0; 3527 3528 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3529 3530 return; 3531 3532 err_ret: 3533 netif_device_attach(netdev); 3534 qlcnic_clr_all_drv_state(adapter, 1); 3535 } 3536 3537 /*Transit NPAR state to NON Operational */ 3538 static void 3539 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3540 { 3541 u32 state; 3542 3543 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3544 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3545 return; 3546 3547 if (qlcnic_api_lock(adapter)) 3548 return; 3549 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3550 QLCNIC_DEV_NPAR_NON_OPER); 3551 qlcnic_api_unlock(adapter); 3552 } 3553 3554 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3555 u32 key) 3556 { 3557 u32 state, xg_val = 0, gb_val = 0; 3558 3559 qlcnic_xg_set_xg0_mask(xg_val); 3560 qlcnic_xg_set_xg1_mask(xg_val); 3561 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3562 qlcnic_gb_set_gb0_mask(gb_val); 3563 qlcnic_gb_set_gb1_mask(gb_val); 3564 qlcnic_gb_set_gb2_mask(gb_val); 3565 qlcnic_gb_set_gb3_mask(gb_val); 3566 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3567 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3568 " on all ports\n"); 3569 adapter->need_fw_reset = 1; 3570 3571 if (qlcnic_api_lock(adapter)) 3572 return; 3573 3574 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3575 3576 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3577 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3578 __func__); 3579 qlcnic_api_unlock(adapter); 3580 3581 return; 3582 } 3583 3584 if (state == QLCNIC_DEV_READY) { 3585 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3586 QLCNIC_DEV_NEED_RESET); 3587 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3588 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3589 qlcnic_idc_debug_info(adapter, 0); 3590 } 3591 3592 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3593 QLCNIC_DEV_NPAR_NON_OPER); 3594 qlcnic_api_unlock(adapter); 3595 } 3596 3597 /* Transit to NPAR READY state from NPAR NOT READY state */ 3598 static void 3599 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3600 { 3601 if (qlcnic_api_lock(adapter)) 3602 return; 3603 3604 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3605 QLCNIC_DEV_NPAR_OPER); 3606 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3607 3608 qlcnic_api_unlock(adapter); 3609 } 3610 3611 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3612 work_func_t func, int delay) 3613 { 3614 if (test_bit(__QLCNIC_AER, &adapter->state)) 3615 return; 3616 3617 INIT_DELAYED_WORK(&adapter->fw_work, func); 3618 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3619 round_jiffies_relative(delay)); 3620 } 3621 3622 static void 3623 qlcnic_attach_work(struct work_struct *work) 3624 { 3625 struct qlcnic_adapter *adapter = container_of(work, 3626 struct qlcnic_adapter, fw_work.work); 3627 struct net_device *netdev = adapter->netdev; 3628 u32 npar_state; 3629 3630 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3631 npar_state = QLC_SHARED_REG_RD32(adapter, 3632 QLCNIC_CRB_DEV_NPAR_STATE); 3633 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3634 qlcnic_clr_all_drv_state(adapter, 0); 3635 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3636 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3637 FW_POLL_DELAY); 3638 else 3639 goto attach; 3640 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3641 return; 3642 } 3643 attach: 3644 qlcnic_dcb_get_info(adapter->dcb); 3645 3646 if (netif_running(netdev)) { 3647 if (qlcnic_up(adapter, netdev)) 3648 goto done; 3649 3650 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3651 } 3652 3653 done: 3654 netif_device_attach(netdev); 3655 adapter->fw_fail_cnt = 0; 3656 adapter->flags &= ~QLCNIC_FW_HANG; 3657 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3658 if (adapter->portnum == 0) 3659 qlcnic_set_drv_version(adapter); 3660 3661 if (!qlcnic_clr_drv_state(adapter)) 3662 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3663 FW_POLL_DELAY); 3664 } 3665 3666 static int 3667 qlcnic_check_health(struct qlcnic_adapter *adapter) 3668 { 3669 struct qlcnic_hardware_context *ahw = adapter->ahw; 3670 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3671 u32 state = 0, heartbeat; 3672 u32 peg_status; 3673 int err = 0; 3674 3675 if (qlcnic_check_temp(adapter)) 3676 goto detach; 3677 3678 if (adapter->need_fw_reset) 3679 qlcnic_dev_request_reset(adapter, 0); 3680 3681 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3682 if (state == QLCNIC_DEV_NEED_RESET) { 3683 qlcnic_set_npar_non_operational(adapter); 3684 adapter->need_fw_reset = 1; 3685 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3686 goto detach; 3687 3688 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3689 if (heartbeat != adapter->heartbeat) { 3690 adapter->heartbeat = heartbeat; 3691 adapter->fw_fail_cnt = 0; 3692 if (adapter->need_fw_reset) 3693 goto detach; 3694 3695 if (ahw->reset_context && qlcnic_auto_fw_reset) 3696 qlcnic_reset_hw_context(adapter); 3697 3698 return 0; 3699 } 3700 3701 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3702 return 0; 3703 3704 adapter->flags |= QLCNIC_FW_HANG; 3705 3706 qlcnic_dev_request_reset(adapter, 0); 3707 3708 if (qlcnic_auto_fw_reset) 3709 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3710 3711 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3712 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3713 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3714 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3715 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3716 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3717 "PEG_NET_4_PC: 0x%x\n", 3718 peg_status, 3719 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3720 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3721 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3722 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3723 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3724 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3725 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3726 dev_err(&adapter->pdev->dev, 3727 "Firmware aborted with error code 0x00006700. " 3728 "Device is being reset.\n"); 3729 detach: 3730 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3731 QLCNIC_DEV_NEED_RESET; 3732 3733 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3734 &adapter->state)) { 3735 3736 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3737 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3738 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3739 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3740 qlcnic_dump_fw(adapter); 3741 } 3742 3743 return 1; 3744 } 3745 3746 void qlcnic_fw_poll_work(struct work_struct *work) 3747 { 3748 struct qlcnic_adapter *adapter = container_of(work, 3749 struct qlcnic_adapter, fw_work.work); 3750 3751 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3752 goto reschedule; 3753 3754 3755 if (qlcnic_check_health(adapter)) 3756 return; 3757 3758 if (adapter->fhash.fnum) 3759 qlcnic_prune_lb_filters(adapter); 3760 3761 reschedule: 3762 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3763 } 3764 3765 static int qlcnic_is_first_func(struct pci_dev *pdev) 3766 { 3767 struct pci_dev *oth_pdev; 3768 int val = pdev->devfn; 3769 3770 while (val-- > 0) { 3771 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3772 (pdev->bus), pdev->bus->number, 3773 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3774 if (!oth_pdev) 3775 continue; 3776 3777 if (oth_pdev->current_state != PCI_D3cold) { 3778 pci_dev_put(oth_pdev); 3779 return 0; 3780 } 3781 pci_dev_put(oth_pdev); 3782 } 3783 return 1; 3784 } 3785 3786 static int qlcnic_attach_func(struct pci_dev *pdev) 3787 { 3788 int err, first_func; 3789 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3790 struct net_device *netdev = adapter->netdev; 3791 3792 pdev->error_state = pci_channel_io_normal; 3793 3794 err = pci_enable_device(pdev); 3795 if (err) 3796 return err; 3797 3798 pci_set_master(pdev); 3799 pci_restore_state(pdev); 3800 3801 first_func = qlcnic_is_first_func(pdev); 3802 3803 if (qlcnic_api_lock(adapter)) 3804 return -EINVAL; 3805 3806 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3807 adapter->need_fw_reset = 1; 3808 set_bit(__QLCNIC_START_FW, &adapter->state); 3809 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3810 QLCNIC_DEV_INITIALIZING); 3811 QLCDB(adapter, DRV, "Restarting fw\n"); 3812 } 3813 qlcnic_api_unlock(adapter); 3814 3815 err = qlcnic_start_firmware(adapter); 3816 if (err) 3817 return err; 3818 3819 qlcnic_clr_drv_state(adapter); 3820 kfree(adapter->msix_entries); 3821 adapter->msix_entries = NULL; 3822 err = qlcnic_setup_intr(adapter); 3823 3824 if (err) { 3825 kfree(adapter->msix_entries); 3826 netdev_err(netdev, "failed to setup interrupt\n"); 3827 return err; 3828 } 3829 3830 if (netif_running(netdev)) { 3831 err = qlcnic_attach(adapter); 3832 if (err) { 3833 qlcnic_clr_all_drv_state(adapter, 1); 3834 clear_bit(__QLCNIC_AER, &adapter->state); 3835 netif_device_attach(netdev); 3836 return err; 3837 } 3838 3839 err = qlcnic_up(adapter, netdev); 3840 if (err) 3841 goto done; 3842 3843 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3844 } 3845 done: 3846 netif_device_attach(netdev); 3847 return err; 3848 } 3849 3850 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3851 pci_channel_state_t state) 3852 { 3853 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3854 struct net_device *netdev = adapter->netdev; 3855 3856 if (state == pci_channel_io_perm_failure) 3857 return PCI_ERS_RESULT_DISCONNECT; 3858 3859 if (state == pci_channel_io_normal) 3860 return PCI_ERS_RESULT_RECOVERED; 3861 3862 set_bit(__QLCNIC_AER, &adapter->state); 3863 netif_device_detach(netdev); 3864 3865 cancel_delayed_work_sync(&adapter->fw_work); 3866 3867 if (netif_running(netdev)) 3868 qlcnic_down(adapter, netdev); 3869 3870 qlcnic_detach(adapter); 3871 qlcnic_teardown_intr(adapter); 3872 3873 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3874 3875 pci_save_state(pdev); 3876 pci_disable_device(pdev); 3877 3878 return PCI_ERS_RESULT_NEED_RESET; 3879 } 3880 3881 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3882 { 3883 pci_ers_result_t res; 3884 3885 rtnl_lock(); 3886 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3887 PCI_ERS_RESULT_RECOVERED; 3888 rtnl_unlock(); 3889 3890 return res; 3891 } 3892 3893 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3894 { 3895 u32 state; 3896 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3897 3898 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3899 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3900 &adapter->state)) 3901 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3902 FW_POLL_DELAY); 3903 } 3904 3905 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3906 pci_channel_state_t state) 3907 { 3908 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3909 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3910 3911 if (hw_ops->io_error_detected) { 3912 return hw_ops->io_error_detected(pdev, state); 3913 } else { 3914 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3915 return PCI_ERS_RESULT_DISCONNECT; 3916 } 3917 } 3918 3919 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3920 { 3921 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3922 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3923 3924 if (hw_ops->io_slot_reset) { 3925 return hw_ops->io_slot_reset(pdev); 3926 } else { 3927 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3928 return PCI_ERS_RESULT_DISCONNECT; 3929 } 3930 } 3931 3932 static void qlcnic_io_resume(struct pci_dev *pdev) 3933 { 3934 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3935 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3936 3937 if (hw_ops->io_resume) 3938 hw_ops->io_resume(pdev); 3939 else 3940 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3941 } 3942 3943 3944 static int 3945 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3946 { 3947 int err; 3948 3949 err = qlcnic_can_start_firmware(adapter); 3950 if (err) 3951 return err; 3952 3953 err = qlcnic_check_npar_opertional(adapter); 3954 if (err) 3955 return err; 3956 3957 err = qlcnic_initialize_nic(adapter); 3958 if (err) 3959 return err; 3960 3961 qlcnic_check_options(adapter); 3962 3963 err = qlcnic_set_eswitch_port_config(adapter); 3964 if (err) 3965 return err; 3966 3967 adapter->need_fw_reset = 0; 3968 3969 return err; 3970 } 3971 3972 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 3973 int queue_type) 3974 { 3975 struct net_device *netdev = adapter->netdev; 3976 char buf[8]; 3977 3978 if (queue_type == QLCNIC_RX_QUEUE) 3979 strcpy(buf, "SDS"); 3980 else 3981 strcpy(buf, "Tx"); 3982 3983 if (!is_power_of_2(ring_cnt)) { 3984 netdev_err(netdev, "%s rings value should be a power of 2\n", 3985 buf); 3986 return -EINVAL; 3987 } 3988 3989 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 3990 !qlcnic_check_multi_tx(adapter)) { 3991 netdev_err(netdev, "No Multi Tx queue support\n"); 3992 return -EINVAL; 3993 } 3994 3995 if (ring_cnt > num_online_cpus()) { 3996 netdev_err(netdev, 3997 "%s value[%u] should not be higher than, number of online CPUs\n", 3998 buf, num_online_cpus()); 3999 return -EINVAL; 4000 } 4001 4002 return 0; 4003 } 4004 4005 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4006 { 4007 struct net_device *netdev = adapter->netdev; 4008 u8 tx_rings, rx_rings; 4009 int err; 4010 4011 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4012 return -EBUSY; 4013 4014 tx_rings = adapter->drv_tss_rings; 4015 rx_rings = adapter->drv_rss_rings; 4016 4017 netif_device_detach(netdev); 4018 4019 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4020 if (err) 4021 goto done; 4022 4023 if (netif_running(netdev)) 4024 __qlcnic_down(adapter, netdev); 4025 4026 qlcnic_detach(adapter); 4027 4028 if (qlcnic_83xx_check(adapter)) { 4029 qlcnic_83xx_free_mbx_intr(adapter); 4030 qlcnic_83xx_enable_mbx_poll(adapter); 4031 } 4032 4033 qlcnic_teardown_intr(adapter); 4034 4035 err = qlcnic_setup_intr(adapter); 4036 if (err) { 4037 kfree(adapter->msix_entries); 4038 netdev_err(netdev, "failed to setup interrupt\n"); 4039 return err; 4040 } 4041 4042 /* Check if we need to update real_num_{tx|rx}_queues because 4043 * qlcnic_setup_intr() may change Tx/Rx rings size 4044 */ 4045 if ((tx_rings != adapter->drv_tx_rings) || 4046 (rx_rings != adapter->drv_sds_rings)) { 4047 err = qlcnic_set_real_num_queues(adapter, 4048 adapter->drv_tx_rings, 4049 adapter->drv_sds_rings); 4050 if (err) 4051 goto done; 4052 } 4053 4054 if (qlcnic_83xx_check(adapter)) { 4055 qlcnic_83xx_initialize_nic(adapter, 1); 4056 err = qlcnic_83xx_setup_mbx_intr(adapter); 4057 qlcnic_83xx_disable_mbx_poll(adapter); 4058 if (err) { 4059 dev_err(&adapter->pdev->dev, 4060 "failed to setup mbx interrupt\n"); 4061 goto done; 4062 } 4063 } 4064 4065 if (netif_running(netdev)) { 4066 err = qlcnic_attach(adapter); 4067 if (err) 4068 goto done; 4069 err = __qlcnic_up(adapter, netdev); 4070 if (err) 4071 goto done; 4072 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4073 } 4074 done: 4075 netif_device_attach(netdev); 4076 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4077 return err; 4078 } 4079 4080 #ifdef CONFIG_INET 4081 4082 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4083 4084 static void 4085 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4086 struct net_device *dev, unsigned long event) 4087 { 4088 const struct in_ifaddr *ifa; 4089 struct in_device *indev; 4090 4091 indev = in_dev_get(dev); 4092 if (!indev) 4093 return; 4094 4095 in_dev_for_each_ifa_rtnl(ifa, indev) { 4096 switch (event) { 4097 case NETDEV_UP: 4098 qlcnic_config_ipaddr(adapter, 4099 ifa->ifa_address, QLCNIC_IP_UP); 4100 break; 4101 case NETDEV_DOWN: 4102 qlcnic_config_ipaddr(adapter, 4103 ifa->ifa_address, QLCNIC_IP_DOWN); 4104 break; 4105 default: 4106 break; 4107 } 4108 } 4109 4110 in_dev_put(indev); 4111 } 4112 4113 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4114 { 4115 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4116 struct net_device *dev; 4117 u16 vid; 4118 4119 qlcnic_config_indev_addr(adapter, netdev, event); 4120 4121 rcu_read_lock(); 4122 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4123 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4124 if (!dev) 4125 continue; 4126 qlcnic_config_indev_addr(adapter, dev, event); 4127 } 4128 rcu_read_unlock(); 4129 } 4130 4131 static int qlcnic_netdev_event(struct notifier_block *this, 4132 unsigned long event, void *ptr) 4133 { 4134 struct qlcnic_adapter *adapter; 4135 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4136 4137 recheck: 4138 if (dev == NULL) 4139 goto done; 4140 4141 if (is_vlan_dev(dev)) { 4142 dev = vlan_dev_real_dev(dev); 4143 goto recheck; 4144 } 4145 4146 if (!is_qlcnic_netdev(dev)) 4147 goto done; 4148 4149 adapter = netdev_priv(dev); 4150 4151 if (!adapter) 4152 goto done; 4153 4154 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4155 goto done; 4156 4157 qlcnic_config_indev_addr(adapter, dev, event); 4158 done: 4159 return NOTIFY_DONE; 4160 } 4161 4162 static int 4163 qlcnic_inetaddr_event(struct notifier_block *this, 4164 unsigned long event, void *ptr) 4165 { 4166 struct qlcnic_adapter *adapter; 4167 struct net_device *dev; 4168 4169 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4170 4171 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4172 4173 recheck: 4174 if (dev == NULL) 4175 goto done; 4176 4177 if (is_vlan_dev(dev)) { 4178 dev = vlan_dev_real_dev(dev); 4179 goto recheck; 4180 } 4181 4182 if (!is_qlcnic_netdev(dev)) 4183 goto done; 4184 4185 adapter = netdev_priv(dev); 4186 4187 if (!adapter) 4188 goto done; 4189 4190 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4191 goto done; 4192 4193 switch (event) { 4194 case NETDEV_UP: 4195 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4196 4197 break; 4198 case NETDEV_DOWN: 4199 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4200 4201 break; 4202 default: 4203 break; 4204 } 4205 4206 done: 4207 return NOTIFY_DONE; 4208 } 4209 4210 static struct notifier_block qlcnic_netdev_cb = { 4211 .notifier_call = qlcnic_netdev_event, 4212 }; 4213 4214 static struct notifier_block qlcnic_inetaddr_cb = { 4215 .notifier_call = qlcnic_inetaddr_event, 4216 }; 4217 #else 4218 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4219 { } 4220 #endif 4221 static const struct pci_error_handlers qlcnic_err_handler = { 4222 .error_detected = qlcnic_io_error_detected, 4223 .slot_reset = qlcnic_io_slot_reset, 4224 .resume = qlcnic_io_resume, 4225 }; 4226 4227 static SIMPLE_DEV_PM_OPS(qlcnic_pm_ops, qlcnic_suspend, qlcnic_resume); 4228 4229 static struct pci_driver qlcnic_driver = { 4230 .name = qlcnic_driver_name, 4231 .id_table = qlcnic_pci_tbl, 4232 .probe = qlcnic_probe, 4233 .remove = qlcnic_remove, 4234 .driver.pm = &qlcnic_pm_ops, 4235 .shutdown = qlcnic_shutdown, 4236 .err_handler = &qlcnic_err_handler, 4237 #ifdef CONFIG_QLCNIC_SRIOV 4238 .sriov_configure = qlcnic_pci_sriov_configure, 4239 #endif 4240 4241 }; 4242 4243 static int __init qlcnic_init_module(void) 4244 { 4245 int ret; 4246 4247 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4248 4249 #ifdef CONFIG_INET 4250 register_netdevice_notifier(&qlcnic_netdev_cb); 4251 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4252 #endif 4253 4254 ret = pci_register_driver(&qlcnic_driver); 4255 if (ret) { 4256 #ifdef CONFIG_INET 4257 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4258 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4259 #endif 4260 } 4261 4262 return ret; 4263 } 4264 4265 module_init(qlcnic_init_module); 4266 4267 static void __exit qlcnic_exit_module(void) 4268 { 4269 pci_unregister_driver(&qlcnic_driver); 4270 4271 #ifdef CONFIG_INET 4272 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4273 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4274 #endif 4275 } 4276 4277 module_exit(qlcnic_exit_module); 4278