1 /* 2 * QLogic qlcnic NIC Driver 3 * Copyright (c) 2009-2013 QLogic Corporation 4 * 5 * See LICENSE.qlcnic for copyright and licensing details. 6 */ 7 8 #include <linux/vmalloc.h> 9 #include <linux/interrupt.h> 10 #include <linux/swab.h> 11 #include <linux/dma-mapping.h> 12 #include <linux/if_vlan.h> 13 #include <net/ip.h> 14 #include <linux/ipv6.h> 15 #include <linux/inetdevice.h> 16 #include <linux/aer.h> 17 #include <linux/log2.h> 18 #include <linux/pci.h> 19 #ifdef CONFIG_QLCNIC_VXLAN 20 #include <net/vxlan.h> 21 #endif 22 23 #include "qlcnic.h" 24 #include "qlcnic_sriov.h" 25 #include "qlcnic_hw.h" 26 27 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 28 MODULE_LICENSE("GPL"); 29 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 30 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 31 32 char qlcnic_driver_name[] = "qlcnic"; 33 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 34 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 35 36 static int qlcnic_mac_learn; 37 module_param(qlcnic_mac_learn, int, 0444); 38 MODULE_PARM_DESC(qlcnic_mac_learn, 39 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 40 41 int qlcnic_use_msi = 1; 42 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 43 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 44 45 int qlcnic_use_msi_x = 1; 46 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 47 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 48 49 int qlcnic_auto_fw_reset = 1; 50 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 51 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 52 53 int qlcnic_load_fw_file; 54 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)"); 55 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 56 57 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 58 static void qlcnic_remove(struct pci_dev *pdev); 59 static int qlcnic_open(struct net_device *netdev); 60 static int qlcnic_close(struct net_device *netdev); 61 static void qlcnic_tx_timeout(struct net_device *netdev); 62 static void qlcnic_attach_work(struct work_struct *work); 63 static void qlcnic_fwinit_work(struct work_struct *work); 64 #ifdef CONFIG_NET_POLL_CONTROLLER 65 static void qlcnic_poll_controller(struct net_device *netdev); 66 #endif 67 68 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 69 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 70 71 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 72 static irqreturn_t qlcnic_intr(int irq, void *data); 73 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 74 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 75 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 76 77 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 78 static int qlcnic_start_firmware(struct qlcnic_adapter *); 79 80 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 81 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 82 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 83 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 84 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 85 86 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 87 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 88 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 89 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 90 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 91 static void qlcnic_82xx_io_resume(struct pci_dev *); 92 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 93 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 94 pci_channel_state_t); 95 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 96 { 97 struct qlcnic_hardware_context *ahw = adapter->ahw; 98 99 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 100 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 101 else 102 return 1; 103 } 104 105 /* PCI Device ID Table */ 106 #define ENTRY(device) \ 107 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 108 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 109 110 static const struct pci_device_id qlcnic_pci_tbl[] = { 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 112 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 113 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 114 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), 115 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30), 116 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 117 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 118 {0,} 119 }; 120 121 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 122 123 124 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 125 { 126 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 127 } 128 129 static const u32 msi_tgt_status[8] = { 130 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 131 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 132 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 133 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 134 }; 135 136 static const u32 qlcnic_reg_tbl[] = { 137 0x1B20A8, /* PEG_HALT_STAT1 */ 138 0x1B20AC, /* PEG_HALT_STAT2 */ 139 0x1B20B0, /* FW_HEARTBEAT */ 140 0x1B2100, /* LOCK ID */ 141 0x1B2128, /* FW_CAPABILITIES */ 142 0x1B2138, /* drv active */ 143 0x1B2140, /* dev state */ 144 0x1B2144, /* drv state */ 145 0x1B2148, /* drv scratch */ 146 0x1B214C, /* dev partition info */ 147 0x1B2174, /* drv idc ver */ 148 0x1B2150, /* fw version major */ 149 0x1B2154, /* fw version minor */ 150 0x1B2158, /* fw version sub */ 151 0x1B219C, /* npar state */ 152 0x1B21FC, /* FW_IMG_VALID */ 153 0x1B2250, /* CMD_PEG_STATE */ 154 0x1B233C, /* RCV_PEG_STATE */ 155 0x1B23B4, /* ASIC TEMP */ 156 0x1B216C, /* FW api */ 157 0x1B2170, /* drv op mode */ 158 0x13C010, /* flash lock */ 159 0x13C014, /* flash unlock */ 160 }; 161 162 static const struct qlcnic_board_info qlcnic_boards[] = { 163 { PCI_VENDOR_ID_QLOGIC, 164 PCI_DEVICE_ID_QLOGIC_QLE844X, 165 0x0, 166 0x0, 167 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 168 { PCI_VENDOR_ID_QLOGIC, 169 PCI_DEVICE_ID_QLOGIC_QLE834X, 170 PCI_VENDOR_ID_QLOGIC, 171 0x24e, 172 "8300 Series Dual 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 0x243, 178 "8300 Series Single 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 0x24a, 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 0x246, 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 0x252, 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 0x26e, 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 0x260, 208 "8300 Series Dual 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 0x266, 214 "8300 Series Single 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 0x269, 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 PCI_VENDOR_ID_QLOGIC, 225 0x271, 226 "8300 Series Dual Port 10GbE Converged Network Adapter " 227 "(TCP/IP Networking)" }, 228 { PCI_VENDOR_ID_QLOGIC, 229 PCI_DEVICE_ID_QLOGIC_QLE834X, 230 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 231 { PCI_VENDOR_ID_QLOGIC, 232 PCI_DEVICE_ID_QLOGIC_QLE8830, 233 0x0, 234 0x0, 235 "8830 Series 1/10GbE Controller" }, 236 { PCI_VENDOR_ID_QLOGIC, 237 PCI_DEVICE_ID_QLOGIC_QLE824X, 238 PCI_VENDOR_ID_QLOGIC, 239 0x203, 240 "8200 Series Single 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 0x207, 246 "8200 Series Dual Port 10GbE Converged Network Adapter" 247 "(TCP/IP Networking)" }, 248 { PCI_VENDOR_ID_QLOGIC, 249 PCI_DEVICE_ID_QLOGIC_QLE824X, 250 PCI_VENDOR_ID_QLOGIC, 251 0x20b, 252 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 253 { PCI_VENDOR_ID_QLOGIC, 254 PCI_DEVICE_ID_QLOGIC_QLE824X, 255 PCI_VENDOR_ID_QLOGIC, 256 0x20c, 257 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 258 { PCI_VENDOR_ID_QLOGIC, 259 PCI_DEVICE_ID_QLOGIC_QLE824X, 260 PCI_VENDOR_ID_QLOGIC, 261 0x20f, 262 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 263 { PCI_VENDOR_ID_QLOGIC, 264 PCI_DEVICE_ID_QLOGIC_QLE824X, 265 0x103c, 0x3733, 266 "NC523SFP 10Gb 2-port Server Adapter" }, 267 { PCI_VENDOR_ID_QLOGIC, 268 PCI_DEVICE_ID_QLOGIC_QLE824X, 269 0x103c, 0x3346, 270 "CN1000Q Dual Port Converged Network Adapter" }, 271 { PCI_VENDOR_ID_QLOGIC, 272 PCI_DEVICE_ID_QLOGIC_QLE824X, 273 PCI_VENDOR_ID_QLOGIC, 274 0x210, 275 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 276 { PCI_VENDOR_ID_QLOGIC, 277 PCI_DEVICE_ID_QLOGIC_QLE824X, 278 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 279 }; 280 281 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 282 283 static const 284 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 285 286 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 287 { 288 int size = sizeof(struct qlcnic_host_sds_ring) * count; 289 290 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 291 292 return recv_ctx->sds_rings == NULL; 293 } 294 295 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 296 { 297 kfree(recv_ctx->sds_rings); 298 recv_ctx->sds_rings = NULL; 299 } 300 301 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 302 { 303 struct net_device *netdev = adapter->netdev; 304 struct pci_dev *pdev = adapter->pdev; 305 u8 mac_addr[ETH_ALEN]; 306 int ret; 307 308 ret = qlcnic_get_mac_address(adapter, mac_addr, 309 adapter->ahw->pci_func); 310 if (ret) 311 return ret; 312 313 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 314 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 315 316 /* set station address */ 317 318 if (!is_valid_ether_addr(netdev->dev_addr)) 319 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 320 netdev->dev_addr); 321 322 return 0; 323 } 324 325 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 326 { 327 struct qlcnic_mac_vlan_list *cur; 328 struct list_head *head; 329 330 list_for_each(head, &adapter->mac_list) { 331 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 332 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 333 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 334 0, QLCNIC_MAC_DEL); 335 list_del(&cur->list); 336 kfree(cur); 337 return; 338 } 339 } 340 } 341 342 static int qlcnic_set_mac(struct net_device *netdev, void *p) 343 { 344 struct qlcnic_adapter *adapter = netdev_priv(netdev); 345 struct sockaddr *addr = p; 346 347 if (qlcnic_sriov_vf_check(adapter)) 348 return -EINVAL; 349 350 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 351 return -EOPNOTSUPP; 352 353 if (!is_valid_ether_addr(addr->sa_data)) 354 return -EINVAL; 355 356 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) && 357 ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data)) 358 return 0; 359 360 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 361 netif_device_detach(netdev); 362 qlcnic_napi_disable(adapter); 363 } 364 365 qlcnic_delete_adapter_mac(adapter); 366 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 367 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 368 qlcnic_set_multi(adapter->netdev); 369 370 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 371 netif_device_attach(netdev); 372 qlcnic_napi_enable(adapter); 373 } 374 return 0; 375 } 376 377 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 378 struct net_device *netdev, 379 const unsigned char *addr, u16 vid) 380 { 381 struct qlcnic_adapter *adapter = netdev_priv(netdev); 382 int err = -EOPNOTSUPP; 383 384 if (!adapter->fdb_mac_learn) 385 return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid); 386 387 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 388 qlcnic_sriov_check(adapter)) { 389 if (is_unicast_ether_addr(addr)) { 390 err = dev_uc_del(netdev, addr); 391 if (!err) 392 err = qlcnic_nic_del_mac(adapter, addr); 393 } else if (is_multicast_ether_addr(addr)) { 394 err = dev_mc_del(netdev, addr); 395 } else { 396 err = -EINVAL; 397 } 398 } 399 return err; 400 } 401 402 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 403 struct net_device *netdev, 404 const unsigned char *addr, u16 vid, u16 flags) 405 { 406 struct qlcnic_adapter *adapter = netdev_priv(netdev); 407 int err = 0; 408 409 if (!adapter->fdb_mac_learn) 410 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags); 411 412 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && 413 !qlcnic_sriov_check(adapter)) { 414 pr_info("%s: FDB e-switch is not enabled\n", __func__); 415 return -EOPNOTSUPP; 416 } 417 418 if (ether_addr_equal(addr, adapter->mac_addr)) 419 return err; 420 421 if (is_unicast_ether_addr(addr)) { 422 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 423 err = dev_uc_add_excl(netdev, addr); 424 else 425 err = -ENOMEM; 426 } else if (is_multicast_ether_addr(addr)) { 427 err = dev_mc_add_excl(netdev, addr); 428 } else { 429 err = -EINVAL; 430 } 431 432 return err; 433 } 434 435 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 436 struct net_device *netdev, 437 struct net_device *filter_dev, int idx) 438 { 439 struct qlcnic_adapter *adapter = netdev_priv(netdev); 440 441 if (!adapter->fdb_mac_learn) 442 return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 443 444 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || 445 qlcnic_sriov_check(adapter)) 446 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); 447 448 return idx; 449 } 450 451 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 452 { 453 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 454 usleep_range(10000, 11000); 455 456 if (!adapter->fw_work.work.func) 457 return; 458 459 cancel_delayed_work_sync(&adapter->fw_work); 460 } 461 462 static int qlcnic_get_phys_port_id(struct net_device *netdev, 463 struct netdev_phys_item_id *ppid) 464 { 465 struct qlcnic_adapter *adapter = netdev_priv(netdev); 466 struct qlcnic_hardware_context *ahw = adapter->ahw; 467 468 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 469 return -EOPNOTSUPP; 470 471 ppid->id_len = sizeof(ahw->phys_port_id); 472 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 473 474 return 0; 475 } 476 477 #ifdef CONFIG_QLCNIC_VXLAN 478 static void qlcnic_add_vxlan_port(struct net_device *netdev, 479 sa_family_t sa_family, __be16 port) 480 { 481 struct qlcnic_adapter *adapter = netdev_priv(netdev); 482 struct qlcnic_hardware_context *ahw = adapter->ahw; 483 484 /* Adapter supports only one VXLAN port. Use very first port 485 * for enabling offload 486 */ 487 if (!qlcnic_encap_rx_offload(adapter)) 488 return; 489 if (!ahw->vxlan_port_count) { 490 ahw->vxlan_port_count = 1; 491 ahw->vxlan_port = ntohs(port); 492 adapter->flags |= QLCNIC_ADD_VXLAN_PORT; 493 return; 494 } 495 if (ahw->vxlan_port == ntohs(port)) 496 ahw->vxlan_port_count++; 497 498 } 499 500 static void qlcnic_del_vxlan_port(struct net_device *netdev, 501 sa_family_t sa_family, __be16 port) 502 { 503 struct qlcnic_adapter *adapter = netdev_priv(netdev); 504 struct qlcnic_hardware_context *ahw = adapter->ahw; 505 506 if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count || 507 (ahw->vxlan_port != ntohs(port))) 508 return; 509 510 ahw->vxlan_port_count--; 511 if (!ahw->vxlan_port_count) 512 adapter->flags |= QLCNIC_DEL_VXLAN_PORT; 513 } 514 515 static netdev_features_t qlcnic_features_check(struct sk_buff *skb, 516 struct net_device *dev, 517 netdev_features_t features) 518 { 519 features = vlan_features_check(skb, features); 520 return vxlan_features_check(skb, features); 521 } 522 #endif 523 524 static const struct net_device_ops qlcnic_netdev_ops = { 525 .ndo_open = qlcnic_open, 526 .ndo_stop = qlcnic_close, 527 .ndo_start_xmit = qlcnic_xmit_frame, 528 .ndo_get_stats = qlcnic_get_stats, 529 .ndo_validate_addr = eth_validate_addr, 530 .ndo_set_rx_mode = qlcnic_set_multi, 531 .ndo_set_mac_address = qlcnic_set_mac, 532 .ndo_change_mtu = qlcnic_change_mtu, 533 .ndo_fix_features = qlcnic_fix_features, 534 .ndo_set_features = qlcnic_set_features, 535 .ndo_tx_timeout = qlcnic_tx_timeout, 536 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 537 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 538 .ndo_fdb_add = qlcnic_fdb_add, 539 .ndo_fdb_del = qlcnic_fdb_del, 540 .ndo_fdb_dump = qlcnic_fdb_dump, 541 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 542 #ifdef CONFIG_QLCNIC_VXLAN 543 .ndo_add_vxlan_port = qlcnic_add_vxlan_port, 544 .ndo_del_vxlan_port = qlcnic_del_vxlan_port, 545 .ndo_features_check = qlcnic_features_check, 546 #endif 547 #ifdef CONFIG_NET_POLL_CONTROLLER 548 .ndo_poll_controller = qlcnic_poll_controller, 549 #endif 550 #ifdef CONFIG_QLCNIC_SRIOV 551 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 552 .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, 553 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 554 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 555 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 556 #endif 557 }; 558 559 static const struct net_device_ops qlcnic_netdev_failed_ops = { 560 .ndo_open = qlcnic_open, 561 }; 562 563 static struct qlcnic_nic_template qlcnic_ops = { 564 .config_bridged_mode = qlcnic_config_bridged_mode, 565 .config_led = qlcnic_82xx_config_led, 566 .start_firmware = qlcnic_82xx_start_firmware, 567 .request_reset = qlcnic_82xx_dev_request_reset, 568 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 569 .napi_add = qlcnic_82xx_napi_add, 570 .napi_del = qlcnic_82xx_napi_del, 571 .config_ipaddr = qlcnic_82xx_config_ipaddr, 572 .shutdown = qlcnic_82xx_shutdown, 573 .resume = qlcnic_82xx_resume, 574 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 575 }; 576 577 struct qlcnic_nic_template qlcnic_vf_ops = { 578 .config_bridged_mode = qlcnicvf_config_bridged_mode, 579 .config_led = qlcnicvf_config_led, 580 .start_firmware = qlcnicvf_start_firmware 581 }; 582 583 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 584 .read_crb = qlcnic_82xx_read_crb, 585 .write_crb = qlcnic_82xx_write_crb, 586 .read_reg = qlcnic_82xx_hw_read_wx_2M, 587 .write_reg = qlcnic_82xx_hw_write_wx_2M, 588 .get_mac_address = qlcnic_82xx_get_mac_address, 589 .setup_intr = qlcnic_82xx_setup_intr, 590 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 591 .mbx_cmd = qlcnic_82xx_issue_cmd, 592 .get_func_no = qlcnic_82xx_get_func_no, 593 .api_lock = qlcnic_82xx_api_lock, 594 .api_unlock = qlcnic_82xx_api_unlock, 595 .add_sysfs = qlcnic_82xx_add_sysfs, 596 .remove_sysfs = qlcnic_82xx_remove_sysfs, 597 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 598 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 599 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 600 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 601 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 602 .setup_link_event = qlcnic_82xx_linkevent_request, 603 .get_nic_info = qlcnic_82xx_get_nic_info, 604 .get_pci_info = qlcnic_82xx_get_pci_info, 605 .set_nic_info = qlcnic_82xx_set_nic_info, 606 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 607 .napi_enable = qlcnic_82xx_napi_enable, 608 .napi_disable = qlcnic_82xx_napi_disable, 609 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 610 .config_rss = qlcnic_82xx_config_rss, 611 .config_hw_lro = qlcnic_82xx_config_hw_lro, 612 .config_loopback = qlcnic_82xx_set_lb_mode, 613 .clear_loopback = qlcnic_82xx_clear_lb_mode, 614 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 615 .change_l2_filter = qlcnic_82xx_change_filter, 616 .get_board_info = qlcnic_82xx_get_board_info, 617 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 618 .free_mac_list = qlcnic_82xx_free_mac_list, 619 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 620 .io_error_detected = qlcnic_82xx_io_error_detected, 621 .io_slot_reset = qlcnic_82xx_io_slot_reset, 622 .io_resume = qlcnic_82xx_io_resume, 623 .get_beacon_state = qlcnic_82xx_get_beacon_state, 624 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 625 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 626 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 627 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 628 .get_saved_state = qlcnic_82xx_get_saved_state, 629 .set_saved_state = qlcnic_82xx_set_saved_state, 630 .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, 631 .get_cap_size = qlcnic_82xx_get_cap_size, 632 .set_sys_info = qlcnic_82xx_set_sys_info, 633 .store_cap_mask = qlcnic_82xx_store_cap_mask, 634 }; 635 636 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 637 { 638 struct qlcnic_hardware_context *ahw = adapter->ahw; 639 640 if (qlcnic_82xx_check(adapter) && 641 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 642 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 643 return 0; 644 } else { 645 return 1; 646 } 647 } 648 649 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 650 int queue_type) 651 { 652 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 653 654 if (queue_type == QLCNIC_RX_QUEUE) 655 max_rings = adapter->max_sds_rings; 656 else if (queue_type == QLCNIC_TX_QUEUE) 657 max_rings = adapter->max_tx_rings; 658 659 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 660 max_rings)); 661 662 if (ring_cnt > num_rings) 663 return num_rings; 664 else 665 return ring_cnt; 666 } 667 668 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 669 { 670 /* 83xx adapter does not have max_tx_rings intialized in probe */ 671 if (adapter->max_tx_rings) 672 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 673 QLCNIC_TX_QUEUE); 674 else 675 adapter->drv_tx_rings = tx_cnt; 676 } 677 678 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 679 { 680 /* 83xx adapter does not have max_sds_rings intialized in probe */ 681 if (adapter->max_sds_rings) 682 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 683 QLCNIC_RX_QUEUE); 684 else 685 adapter->drv_sds_rings = rx_cnt; 686 } 687 688 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 689 { 690 struct pci_dev *pdev = adapter->pdev; 691 int num_msix = 0, err = 0, vector; 692 693 adapter->flags &= ~QLCNIC_TSS_RSS; 694 695 if (adapter->drv_tss_rings > 0) 696 num_msix += adapter->drv_tss_rings; 697 else 698 num_msix += adapter->drv_tx_rings; 699 700 if (adapter->drv_rss_rings > 0) 701 num_msix += adapter->drv_rss_rings; 702 else 703 num_msix += adapter->drv_sds_rings; 704 705 if (qlcnic_83xx_check(adapter)) 706 num_msix += 1; 707 708 if (!adapter->msix_entries) { 709 adapter->msix_entries = kcalloc(num_msix, 710 sizeof(struct msix_entry), 711 GFP_KERNEL); 712 if (!adapter->msix_entries) 713 return -ENOMEM; 714 } 715 716 for (vector = 0; vector < num_msix; vector++) 717 adapter->msix_entries[vector].entry = vector; 718 719 restore: 720 err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); 721 if (err == -ENOSPC) { 722 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) 723 return err; 724 725 netdev_info(adapter->netdev, 726 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 727 num_msix, err); 728 729 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 730 731 /* Set rings to 0 so we can restore original TSS/RSS count */ 732 adapter->drv_tss_rings = 0; 733 adapter->drv_rss_rings = 0; 734 735 if (qlcnic_83xx_check(adapter)) 736 num_msix += 1; 737 738 netdev_info(adapter->netdev, 739 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 740 adapter->drv_tx_rings, adapter->drv_sds_rings, 741 num_msix); 742 743 goto restore; 744 } else if (err < 0) { 745 return err; 746 } 747 748 adapter->ahw->num_msix = num_msix; 749 if (adapter->drv_tss_rings > 0) 750 adapter->drv_tx_rings = adapter->drv_tss_rings; 751 752 if (adapter->drv_rss_rings > 0) 753 adapter->drv_sds_rings = adapter->drv_rss_rings; 754 755 return 0; 756 } 757 758 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 759 { 760 struct pci_dev *pdev = adapter->pdev; 761 int err, vector; 762 763 if (!adapter->msix_entries) { 764 adapter->msix_entries = kcalloc(num_msix, 765 sizeof(struct msix_entry), 766 GFP_KERNEL); 767 if (!adapter->msix_entries) 768 return -ENOMEM; 769 } 770 771 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 772 773 if (adapter->ahw->msix_supported) { 774 enable_msix: 775 for (vector = 0; vector < num_msix; vector++) 776 adapter->msix_entries[vector].entry = vector; 777 778 err = pci_enable_msix_range(pdev, 779 adapter->msix_entries, 1, num_msix); 780 781 if (err == num_msix) { 782 adapter->flags |= QLCNIC_MSIX_ENABLED; 783 adapter->ahw->num_msix = num_msix; 784 dev_info(&pdev->dev, "using msi-x interrupts\n"); 785 return 0; 786 } else if (err > 0) { 787 pci_disable_msix(pdev); 788 789 dev_info(&pdev->dev, 790 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 791 num_msix, err); 792 793 if (qlcnic_82xx_check(adapter)) { 794 num_msix = rounddown_pow_of_two(err); 795 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 796 return -ENOSPC; 797 } else { 798 num_msix = rounddown_pow_of_two(err - 1); 799 num_msix += 1; 800 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 801 return -ENOSPC; 802 } 803 804 if (qlcnic_82xx_check(adapter) && 805 !qlcnic_check_multi_tx(adapter)) { 806 adapter->drv_sds_rings = num_msix; 807 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 808 } else { 809 /* Distribute vectors equally */ 810 adapter->drv_tx_rings = num_msix / 2; 811 adapter->drv_sds_rings = adapter->drv_tx_rings; 812 } 813 814 if (num_msix) { 815 dev_info(&pdev->dev, 816 "Trying to allocate %d MSI-X interrupt vectors\n", 817 num_msix); 818 goto enable_msix; 819 } 820 } else { 821 dev_info(&pdev->dev, 822 "Unable to allocate %d MSI-X vectors, err=%d\n", 823 num_msix, err); 824 return err; 825 } 826 } 827 828 return -EIO; 829 } 830 831 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 832 { 833 int num_msix; 834 835 num_msix = adapter->drv_sds_rings; 836 837 if (qlcnic_check_multi_tx(adapter)) 838 num_msix += adapter->drv_tx_rings; 839 else 840 num_msix += QLCNIC_SINGLE_RING; 841 842 return num_msix; 843 } 844 845 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 846 { 847 int err = 0; 848 u32 offset, mask_reg; 849 const struct qlcnic_legacy_intr_set *legacy_intrp; 850 struct qlcnic_hardware_context *ahw = adapter->ahw; 851 struct pci_dev *pdev = adapter->pdev; 852 853 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 854 adapter->flags |= QLCNIC_MSI_ENABLED; 855 offset = msi_tgt_status[adapter->ahw->pci_func]; 856 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 857 offset); 858 dev_info(&pdev->dev, "using msi interrupts\n"); 859 adapter->msix_entries[0].vector = pdev->irq; 860 return err; 861 } 862 863 if (qlcnic_use_msi || qlcnic_use_msi_x) 864 return -EOPNOTSUPP; 865 866 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 867 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 868 offset = legacy_intrp->tgt_status_reg; 869 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 870 mask_reg = legacy_intrp->tgt_mask_reg; 871 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 872 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 873 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 874 dev_info(&pdev->dev, "using legacy interrupts\n"); 875 adapter->msix_entries[0].vector = pdev->irq; 876 return err; 877 } 878 879 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 880 { 881 int num_msix, err = 0; 882 883 if (adapter->flags & QLCNIC_TSS_RSS) { 884 err = qlcnic_setup_tss_rss_intr(adapter); 885 if (err < 0) 886 return err; 887 num_msix = adapter->ahw->num_msix; 888 } else { 889 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 890 891 err = qlcnic_enable_msix(adapter, num_msix); 892 if (err == -ENOMEM) 893 return err; 894 895 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 896 qlcnic_disable_multi_tx(adapter); 897 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 898 899 err = qlcnic_enable_msi_legacy(adapter); 900 if (err) 901 return err; 902 } 903 } 904 905 return 0; 906 } 907 908 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 909 { 910 struct qlcnic_hardware_context *ahw = adapter->ahw; 911 int err, i; 912 913 if (qlcnic_check_multi_tx(adapter) && 914 !ahw->diag_test && 915 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 916 ahw->intr_tbl = vzalloc(ahw->num_msix * 917 sizeof(struct qlcnic_intrpt_config)); 918 if (!ahw->intr_tbl) 919 return -ENOMEM; 920 921 for (i = 0; i < ahw->num_msix; i++) { 922 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 923 ahw->intr_tbl[i].id = i; 924 ahw->intr_tbl[i].src = 0; 925 } 926 927 err = qlcnic_82xx_config_intrpt(adapter, 1); 928 if (err) 929 dev_err(&adapter->pdev->dev, 930 "Failed to configure Interrupt for %d vector\n", 931 ahw->num_msix); 932 return err; 933 } 934 935 return 0; 936 } 937 938 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 939 { 940 if (adapter->flags & QLCNIC_MSIX_ENABLED) 941 pci_disable_msix(adapter->pdev); 942 if (adapter->flags & QLCNIC_MSI_ENABLED) 943 pci_disable_msi(adapter->pdev); 944 945 kfree(adapter->msix_entries); 946 adapter->msix_entries = NULL; 947 948 if (adapter->ahw->intr_tbl) { 949 vfree(adapter->ahw->intr_tbl); 950 adapter->ahw->intr_tbl = NULL; 951 } 952 } 953 954 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 955 { 956 if (ahw->pci_base0 != NULL) 957 iounmap(ahw->pci_base0); 958 } 959 960 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 961 { 962 struct qlcnic_hardware_context *ahw = adapter->ahw; 963 struct qlcnic_pci_info *pci_info; 964 int ret; 965 966 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 967 switch (ahw->port_type) { 968 case QLCNIC_GBE: 969 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 970 break; 971 case QLCNIC_XGBE: 972 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 973 break; 974 } 975 return 0; 976 } 977 978 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 979 return 0; 980 981 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 982 if (!pci_info) 983 return -ENOMEM; 984 985 ret = qlcnic_get_pci_info(adapter, pci_info); 986 kfree(pci_info); 987 return ret; 988 } 989 990 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 991 { 992 bool ret = false; 993 994 if (qlcnic_84xx_check(adapter)) { 995 ret = true; 996 } else if (qlcnic_83xx_check(adapter)) { 997 if (adapter->ahw->extra_capability[0] & 998 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 999 ret = true; 1000 else 1001 ret = false; 1002 } 1003 1004 return ret; 1005 } 1006 1007 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 1008 { 1009 struct qlcnic_hardware_context *ahw = adapter->ahw; 1010 struct qlcnic_pci_info *pci_info; 1011 int i, id = 0, ret = 0, j = 0; 1012 u16 act_pci_func; 1013 u8 pfn; 1014 1015 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 1016 if (!pci_info) 1017 return -ENOMEM; 1018 1019 ret = qlcnic_get_pci_info(adapter, pci_info); 1020 if (ret) 1021 goto err_pci_info; 1022 1023 act_pci_func = ahw->total_nic_func; 1024 1025 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 1026 act_pci_func, GFP_KERNEL); 1027 if (!adapter->npars) { 1028 ret = -ENOMEM; 1029 goto err_pci_info; 1030 } 1031 1032 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 1033 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 1034 if (!adapter->eswitch) { 1035 ret = -ENOMEM; 1036 goto err_npars; 1037 } 1038 1039 for (i = 0; i < ahw->max_vnic_func; i++) { 1040 pfn = pci_info[i].id; 1041 1042 if (pfn >= ahw->max_vnic_func) { 1043 ret = -EINVAL; 1044 dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", 1045 __func__, pfn, ahw->max_vnic_func); 1046 goto err_eswitch; 1047 } 1048 1049 if (!pci_info[i].active || 1050 (pci_info[i].type != QLCNIC_TYPE_NIC)) 1051 continue; 1052 1053 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 1054 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 1055 &id)) 1056 adapter->npars[j].eswitch_status = true; 1057 else 1058 continue; 1059 } else { 1060 adapter->npars[j].eswitch_status = true; 1061 } 1062 1063 adapter->npars[j].pci_func = pfn; 1064 adapter->npars[j].active = (u8)pci_info[i].active; 1065 adapter->npars[j].type = (u8)pci_info[i].type; 1066 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 1067 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 1068 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 1069 1070 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 1071 j++; 1072 } 1073 1074 /* Update eSwitch status for adapters without per port eSwitch 1075 * configuration capability 1076 */ 1077 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 1078 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 1079 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1080 } 1081 1082 kfree(pci_info); 1083 return 0; 1084 1085 err_eswitch: 1086 kfree(adapter->eswitch); 1087 adapter->eswitch = NULL; 1088 err_npars: 1089 kfree(adapter->npars); 1090 adapter->npars = NULL; 1091 err_pci_info: 1092 kfree(pci_info); 1093 1094 return ret; 1095 } 1096 1097 static int 1098 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1099 { 1100 u8 id; 1101 int ret; 1102 u32 data = QLCNIC_MGMT_FUNC; 1103 struct qlcnic_hardware_context *ahw = adapter->ahw; 1104 1105 ret = qlcnic_api_lock(adapter); 1106 if (ret) 1107 goto err_lock; 1108 1109 id = ahw->pci_func; 1110 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1111 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1112 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1113 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1114 qlcnic_api_unlock(adapter); 1115 err_lock: 1116 return ret; 1117 } 1118 1119 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1120 const struct pci_device_id *ent) 1121 { 1122 u32 op_mode, priv_level; 1123 1124 /* Determine FW API version */ 1125 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1126 QLCNIC_FW_API); 1127 1128 /* Find PCI function number */ 1129 qlcnic_get_func_no(adapter); 1130 1131 /* Determine function privilege level */ 1132 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1133 if (op_mode == QLC_DEV_DRV_DEFAULT) 1134 priv_level = QLCNIC_MGMT_FUNC; 1135 else 1136 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1137 1138 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1139 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1140 dev_info(&adapter->pdev->dev, 1141 "HAL Version: %d Non Privileged function\n", 1142 adapter->ahw->fw_hal_version); 1143 adapter->nic_ops = &qlcnic_vf_ops; 1144 } else 1145 adapter->nic_ops = &qlcnic_ops; 1146 } 1147 1148 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1149 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1150 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1151 { 1152 switch (dev_id) { 1153 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1154 *bar = QLCNIC_82XX_BAR0_LENGTH; 1155 break; 1156 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1157 case PCI_DEVICE_ID_QLOGIC_QLE8830: 1158 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1159 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1160 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1161 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 1162 *bar = QLCNIC_83XX_BAR0_LENGTH; 1163 break; 1164 default: 1165 *bar = 0; 1166 } 1167 } 1168 1169 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1170 struct qlcnic_hardware_context *ahw) 1171 { 1172 u32 offset; 1173 void __iomem *mem_ptr0 = NULL; 1174 unsigned long mem_len, pci_len0 = 0, bar0_len; 1175 1176 /* remap phys address */ 1177 mem_len = pci_resource_len(pdev, 0); 1178 1179 qlcnic_get_bar_length(pdev->device, &bar0_len); 1180 if (mem_len >= bar0_len) { 1181 1182 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1183 if (mem_ptr0 == NULL) { 1184 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1185 return -EIO; 1186 } 1187 pci_len0 = mem_len; 1188 } else { 1189 return -EIO; 1190 } 1191 1192 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1193 1194 ahw->pci_base0 = mem_ptr0; 1195 ahw->pci_len0 = pci_len0; 1196 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1197 qlcnic_get_ioaddr(ahw, offset); 1198 1199 return 0; 1200 } 1201 1202 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1203 int index) 1204 { 1205 struct pci_dev *pdev = adapter->pdev; 1206 unsigned short subsystem_vendor; 1207 bool ret = true; 1208 1209 subsystem_vendor = pdev->subsystem_vendor; 1210 1211 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1212 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1213 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1214 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1215 ret = true; 1216 else 1217 ret = false; 1218 } 1219 1220 return ret; 1221 } 1222 1223 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1224 { 1225 struct pci_dev *pdev = adapter->pdev; 1226 int i, found = 0; 1227 1228 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1229 if (qlcnic_boards[i].vendor == pdev->vendor && 1230 qlcnic_boards[i].device == pdev->device && 1231 qlcnic_validate_subsystem_id(adapter, i)) { 1232 found = 1; 1233 break; 1234 } 1235 } 1236 1237 if (!found) 1238 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1239 else 1240 sprintf(name, "%pM: %s" , adapter->mac_addr, 1241 qlcnic_boards[i].short_name); 1242 } 1243 1244 static void 1245 qlcnic_check_options(struct qlcnic_adapter *adapter) 1246 { 1247 int err; 1248 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1249 struct pci_dev *pdev = adapter->pdev; 1250 struct qlcnic_hardware_context *ahw = adapter->ahw; 1251 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1252 1253 prev_fw_version = adapter->fw_version; 1254 1255 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1256 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1257 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1258 1259 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1260 1261 err = qlcnic_get_board_info(adapter); 1262 if (err) { 1263 dev_err(&pdev->dev, "Error getting board config info.\n"); 1264 return; 1265 } 1266 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1267 if (fw_dump->tmpl_hdr == NULL || 1268 adapter->fw_version > prev_fw_version) { 1269 vfree(fw_dump->tmpl_hdr); 1270 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1271 dev_info(&pdev->dev, 1272 "Supports FW dump capability\n"); 1273 } 1274 } 1275 1276 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1277 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1278 1279 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1280 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1281 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1282 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1283 } else { 1284 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1285 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1286 } 1287 1288 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1289 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1290 1291 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1292 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1293 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1294 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1295 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1296 } 1297 1298 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1299 1300 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1301 1302 adapter->max_rds_rings = MAX_RDS_RINGS; 1303 } 1304 1305 static int 1306 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1307 { 1308 struct qlcnic_info nic_info; 1309 int err = 0; 1310 1311 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1312 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1313 if (err) 1314 return err; 1315 1316 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1317 adapter->ahw->switch_mode = nic_info.switch_mode; 1318 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1319 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1320 adapter->ahw->capabilities = nic_info.capabilities; 1321 1322 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1323 u32 temp; 1324 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1325 if (err == -EIO) 1326 return err; 1327 adapter->ahw->extra_capability[0] = temp; 1328 } else { 1329 adapter->ahw->extra_capability[0] = 0; 1330 } 1331 1332 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1333 adapter->ahw->max_mtu = nic_info.max_mtu; 1334 1335 if (adapter->ahw->capabilities & BIT_6) { 1336 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1337 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1338 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1339 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1340 1341 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1342 } else { 1343 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1344 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1345 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1346 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1347 } 1348 1349 return err; 1350 } 1351 1352 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1353 struct qlcnic_esw_func_cfg *esw_cfg) 1354 { 1355 if (esw_cfg->discard_tagged) 1356 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1357 else 1358 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1359 1360 if (esw_cfg->vlan_id) { 1361 adapter->rx_pvid = esw_cfg->vlan_id; 1362 adapter->tx_pvid = esw_cfg->vlan_id; 1363 } else { 1364 adapter->rx_pvid = 0; 1365 adapter->tx_pvid = 0; 1366 } 1367 } 1368 1369 static int 1370 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1371 { 1372 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1373 int err; 1374 1375 if (qlcnic_sriov_vf_check(adapter)) { 1376 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1377 if (err) { 1378 netdev_err(netdev, 1379 "Cannot add VLAN filter for VLAN id %d, err=%d", 1380 vid, err); 1381 return err; 1382 } 1383 } 1384 1385 set_bit(vid, adapter->vlans); 1386 return 0; 1387 } 1388 1389 static int 1390 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1391 { 1392 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1393 int err; 1394 1395 if (qlcnic_sriov_vf_check(adapter)) { 1396 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1397 if (err) { 1398 netdev_err(netdev, 1399 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1400 vid, err); 1401 return err; 1402 } 1403 } 1404 1405 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1406 clear_bit(vid, adapter->vlans); 1407 return 0; 1408 } 1409 1410 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1411 struct qlcnic_esw_func_cfg *esw_cfg) 1412 { 1413 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1414 QLCNIC_PROMISC_DISABLED); 1415 1416 if (esw_cfg->mac_anti_spoof) 1417 adapter->flags |= QLCNIC_MACSPOOF; 1418 1419 if (!esw_cfg->mac_override) 1420 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1421 1422 if (!esw_cfg->promisc_mode) 1423 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1424 } 1425 1426 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1427 { 1428 struct qlcnic_esw_func_cfg esw_cfg; 1429 1430 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1431 return 0; 1432 1433 esw_cfg.pci_func = adapter->ahw->pci_func; 1434 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1435 return -EIO; 1436 qlcnic_set_vlan_config(adapter, &esw_cfg); 1437 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1438 qlcnic_set_netdev_features(adapter, &esw_cfg); 1439 1440 return 0; 1441 } 1442 1443 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1444 struct qlcnic_esw_func_cfg *esw_cfg) 1445 { 1446 struct net_device *netdev = adapter->netdev; 1447 1448 if (qlcnic_83xx_check(adapter)) 1449 return; 1450 1451 adapter->offload_flags = esw_cfg->offload_flags; 1452 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1453 netdev_update_features(netdev); 1454 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1455 } 1456 1457 static int 1458 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1459 { 1460 u32 op_mode, priv_level; 1461 int err = 0; 1462 1463 err = qlcnic_initialize_nic(adapter); 1464 if (err) 1465 return err; 1466 1467 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1468 return 0; 1469 1470 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1471 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1472 1473 if (op_mode == QLC_DEV_DRV_DEFAULT) 1474 priv_level = QLCNIC_MGMT_FUNC; 1475 else 1476 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1477 1478 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1479 if (priv_level == QLCNIC_MGMT_FUNC) { 1480 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1481 err = qlcnic_init_pci_info(adapter); 1482 if (err) 1483 return err; 1484 /* Set privilege level for other functions */ 1485 qlcnic_set_function_modes(adapter); 1486 dev_info(&adapter->pdev->dev, 1487 "HAL Version: %d, Management function\n", 1488 adapter->ahw->fw_hal_version); 1489 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1490 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1491 dev_info(&adapter->pdev->dev, 1492 "HAL Version: %d, Privileged function\n", 1493 adapter->ahw->fw_hal_version); 1494 } 1495 } else { 1496 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1497 } 1498 1499 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1500 1501 return err; 1502 } 1503 1504 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1505 { 1506 struct qlcnic_esw_func_cfg esw_cfg; 1507 struct qlcnic_npar_info *npar; 1508 u8 i; 1509 1510 if (adapter->need_fw_reset) 1511 return 0; 1512 1513 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1514 if (!adapter->npars[i].eswitch_status) 1515 continue; 1516 1517 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1518 esw_cfg.pci_func = adapter->npars[i].pci_func; 1519 esw_cfg.mac_override = BIT_0; 1520 esw_cfg.promisc_mode = BIT_0; 1521 if (qlcnic_82xx_check(adapter)) { 1522 esw_cfg.offload_flags = BIT_0; 1523 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1524 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1525 } 1526 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1527 return -EIO; 1528 npar = &adapter->npars[i]; 1529 npar->pvid = esw_cfg.vlan_id; 1530 npar->mac_override = esw_cfg.mac_override; 1531 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1532 npar->discard_tagged = esw_cfg.discard_tagged; 1533 npar->promisc_mode = esw_cfg.promisc_mode; 1534 npar->offload_flags = esw_cfg.offload_flags; 1535 } 1536 1537 return 0; 1538 } 1539 1540 1541 static int 1542 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1543 struct qlcnic_npar_info *npar, int pci_func) 1544 { 1545 struct qlcnic_esw_func_cfg esw_cfg; 1546 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1547 esw_cfg.pci_func = pci_func; 1548 esw_cfg.vlan_id = npar->pvid; 1549 esw_cfg.mac_override = npar->mac_override; 1550 esw_cfg.discard_tagged = npar->discard_tagged; 1551 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1552 esw_cfg.offload_flags = npar->offload_flags; 1553 esw_cfg.promisc_mode = npar->promisc_mode; 1554 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1555 return -EIO; 1556 1557 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1558 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1559 return -EIO; 1560 1561 return 0; 1562 } 1563 1564 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1565 { 1566 int i, err; 1567 struct qlcnic_npar_info *npar; 1568 struct qlcnic_info nic_info; 1569 u8 pci_func; 1570 1571 if (qlcnic_82xx_check(adapter)) 1572 if (!adapter->need_fw_reset) 1573 return 0; 1574 1575 /* Set the NPAR config data after FW reset */ 1576 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1577 npar = &adapter->npars[i]; 1578 pci_func = npar->pci_func; 1579 if (!adapter->npars[i].eswitch_status) 1580 continue; 1581 1582 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1583 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1584 if (err) 1585 return err; 1586 nic_info.min_tx_bw = npar->min_bw; 1587 nic_info.max_tx_bw = npar->max_bw; 1588 err = qlcnic_set_nic_info(adapter, &nic_info); 1589 if (err) 1590 return err; 1591 1592 if (npar->enable_pm) { 1593 err = qlcnic_config_port_mirroring(adapter, 1594 npar->dest_npar, 1, 1595 pci_func); 1596 if (err) 1597 return err; 1598 } 1599 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1600 if (err) 1601 return err; 1602 } 1603 return 0; 1604 } 1605 1606 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1607 { 1608 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1609 u32 npar_state; 1610 1611 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1612 return 0; 1613 1614 npar_state = QLC_SHARED_REG_RD32(adapter, 1615 QLCNIC_CRB_DEV_NPAR_STATE); 1616 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1617 msleep(1000); 1618 npar_state = QLC_SHARED_REG_RD32(adapter, 1619 QLCNIC_CRB_DEV_NPAR_STATE); 1620 } 1621 if (!npar_opt_timeo) { 1622 dev_err(&adapter->pdev->dev, 1623 "Waiting for NPAR state to operational timeout\n"); 1624 return -EIO; 1625 } 1626 return 0; 1627 } 1628 1629 static int 1630 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1631 { 1632 int err; 1633 1634 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1635 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1636 return 0; 1637 1638 err = qlcnic_set_default_offload_settings(adapter); 1639 if (err) 1640 return err; 1641 1642 err = qlcnic_reset_npar_config(adapter); 1643 if (err) 1644 return err; 1645 1646 qlcnic_dev_set_npar_ready(adapter); 1647 1648 return err; 1649 } 1650 1651 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1652 { 1653 int err; 1654 1655 err = qlcnic_can_start_firmware(adapter); 1656 if (err < 0) 1657 return err; 1658 else if (!err) 1659 goto check_fw_status; 1660 1661 if (qlcnic_load_fw_file) 1662 qlcnic_request_firmware(adapter); 1663 else { 1664 err = qlcnic_check_flash_fw_ver(adapter); 1665 if (err) 1666 goto err_out; 1667 1668 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1669 } 1670 1671 err = qlcnic_need_fw_reset(adapter); 1672 if (err == 0) 1673 goto check_fw_status; 1674 1675 err = qlcnic_pinit_from_rom(adapter); 1676 if (err) 1677 goto err_out; 1678 1679 err = qlcnic_load_firmware(adapter); 1680 if (err) 1681 goto err_out; 1682 1683 qlcnic_release_firmware(adapter); 1684 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1685 1686 check_fw_status: 1687 err = qlcnic_check_fw_status(adapter); 1688 if (err) 1689 goto err_out; 1690 1691 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1692 qlcnic_idc_debug_info(adapter, 1); 1693 err = qlcnic_check_eswitch_mode(adapter); 1694 if (err) { 1695 dev_err(&adapter->pdev->dev, 1696 "Memory allocation failed for eswitch\n"); 1697 goto err_out; 1698 } 1699 err = qlcnic_set_mgmt_operations(adapter); 1700 if (err) 1701 goto err_out; 1702 1703 qlcnic_check_options(adapter); 1704 adapter->need_fw_reset = 0; 1705 1706 qlcnic_release_firmware(adapter); 1707 return 0; 1708 1709 err_out: 1710 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1711 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1712 1713 qlcnic_release_firmware(adapter); 1714 return err; 1715 } 1716 1717 static int 1718 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1719 { 1720 irq_handler_t handler; 1721 struct qlcnic_host_sds_ring *sds_ring; 1722 struct qlcnic_host_tx_ring *tx_ring; 1723 int err, ring, num_sds_rings; 1724 1725 unsigned long flags = 0; 1726 struct net_device *netdev = adapter->netdev; 1727 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1728 1729 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1730 if (qlcnic_82xx_check(adapter)) 1731 handler = qlcnic_tmp_intr; 1732 else 1733 handler = qlcnic_83xx_tmp_intr; 1734 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1735 flags |= IRQF_SHARED; 1736 1737 } else { 1738 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1739 handler = qlcnic_msix_intr; 1740 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1741 handler = qlcnic_msi_intr; 1742 else { 1743 flags |= IRQF_SHARED; 1744 if (qlcnic_82xx_check(adapter)) 1745 handler = qlcnic_intr; 1746 else 1747 handler = qlcnic_83xx_intr; 1748 } 1749 } 1750 adapter->irq = netdev->irq; 1751 1752 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1753 if (qlcnic_82xx_check(adapter) || 1754 (qlcnic_83xx_check(adapter) && 1755 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1756 num_sds_rings = adapter->drv_sds_rings; 1757 for (ring = 0; ring < num_sds_rings; ring++) { 1758 sds_ring = &recv_ctx->sds_rings[ring]; 1759 if (qlcnic_82xx_check(adapter) && 1760 !qlcnic_check_multi_tx(adapter) && 1761 (ring == (num_sds_rings - 1))) { 1762 if (!(adapter->flags & 1763 QLCNIC_MSIX_ENABLED)) 1764 snprintf(sds_ring->name, 1765 sizeof(sds_ring->name), 1766 "qlcnic"); 1767 else 1768 snprintf(sds_ring->name, 1769 sizeof(sds_ring->name), 1770 "%s-tx-0-rx-%d", 1771 netdev->name, ring); 1772 } else { 1773 snprintf(sds_ring->name, 1774 sizeof(sds_ring->name), 1775 "%s-rx-%d", 1776 netdev->name, ring); 1777 } 1778 err = request_irq(sds_ring->irq, handler, flags, 1779 sds_ring->name, sds_ring); 1780 if (err) 1781 return err; 1782 } 1783 } 1784 if ((qlcnic_82xx_check(adapter) && 1785 qlcnic_check_multi_tx(adapter)) || 1786 (qlcnic_83xx_check(adapter) && 1787 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1788 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1789 handler = qlcnic_msix_tx_intr; 1790 for (ring = 0; ring < adapter->drv_tx_rings; 1791 ring++) { 1792 tx_ring = &adapter->tx_ring[ring]; 1793 snprintf(tx_ring->name, sizeof(tx_ring->name), 1794 "%s-tx-%d", netdev->name, ring); 1795 err = request_irq(tx_ring->irq, handler, flags, 1796 tx_ring->name, tx_ring); 1797 if (err) 1798 return err; 1799 } 1800 } 1801 } 1802 return 0; 1803 } 1804 1805 static void 1806 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1807 { 1808 int ring; 1809 struct qlcnic_host_sds_ring *sds_ring; 1810 struct qlcnic_host_tx_ring *tx_ring; 1811 1812 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1813 1814 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1815 if (qlcnic_82xx_check(adapter) || 1816 (qlcnic_83xx_check(adapter) && 1817 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1818 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1819 sds_ring = &recv_ctx->sds_rings[ring]; 1820 free_irq(sds_ring->irq, sds_ring); 1821 } 1822 } 1823 if ((qlcnic_83xx_check(adapter) && 1824 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1825 (qlcnic_82xx_check(adapter) && 1826 qlcnic_check_multi_tx(adapter))) { 1827 for (ring = 0; ring < adapter->drv_tx_rings; 1828 ring++) { 1829 tx_ring = &adapter->tx_ring[ring]; 1830 if (tx_ring->irq) 1831 free_irq(tx_ring->irq, tx_ring); 1832 } 1833 } 1834 } 1835 } 1836 1837 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1838 { 1839 u32 capab = 0; 1840 1841 if (qlcnic_82xx_check(adapter)) { 1842 if (adapter->ahw->extra_capability[0] & 1843 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1844 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1845 } else { 1846 capab = adapter->ahw->capabilities; 1847 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1848 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1849 } 1850 } 1851 1852 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1853 { 1854 struct qlcnic_hardware_context *ahw = adapter->ahw; 1855 int err; 1856 1857 /* Initialize interrupt coalesce parameters */ 1858 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1859 1860 if (qlcnic_83xx_check(adapter)) { 1861 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1862 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1863 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1864 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1865 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1866 1867 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1868 } else { 1869 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1870 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1871 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1872 1873 err = qlcnic_82xx_set_rx_coalesce(adapter); 1874 } 1875 1876 return err; 1877 } 1878 1879 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1880 { 1881 int ring; 1882 struct qlcnic_host_rds_ring *rds_ring; 1883 1884 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1885 return -EIO; 1886 1887 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1888 return 0; 1889 1890 if (qlcnic_set_eswitch_port_config(adapter)) 1891 return -EIO; 1892 1893 qlcnic_get_lro_mss_capability(adapter); 1894 1895 if (qlcnic_fw_create_ctx(adapter)) 1896 return -EIO; 1897 1898 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1899 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1900 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1901 } 1902 1903 qlcnic_set_multi(netdev); 1904 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1905 1906 adapter->ahw->linkup = 0; 1907 1908 if (adapter->drv_sds_rings > 1) 1909 qlcnic_config_rss(adapter, 1); 1910 1911 qlcnic_config_def_intr_coalesce(adapter); 1912 1913 if (netdev->features & NETIF_F_LRO) 1914 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1915 1916 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1917 qlcnic_napi_enable(adapter); 1918 1919 qlcnic_linkevent_request(adapter, 1); 1920 1921 adapter->ahw->reset_context = 0; 1922 netif_tx_start_all_queues(netdev); 1923 return 0; 1924 } 1925 1926 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1927 { 1928 int err = 0; 1929 1930 rtnl_lock(); 1931 if (netif_running(netdev)) 1932 err = __qlcnic_up(adapter, netdev); 1933 rtnl_unlock(); 1934 1935 return err; 1936 } 1937 1938 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1939 { 1940 int ring; 1941 1942 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1943 return; 1944 1945 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1946 return; 1947 1948 smp_mb(); 1949 netif_carrier_off(netdev); 1950 adapter->ahw->linkup = 0; 1951 netif_tx_disable(netdev); 1952 1953 qlcnic_free_mac_list(adapter); 1954 1955 if (adapter->fhash.fnum) 1956 qlcnic_delete_lb_filters(adapter); 1957 1958 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1959 if (qlcnic_sriov_vf_check(adapter)) 1960 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1961 1962 qlcnic_napi_disable(adapter); 1963 1964 qlcnic_fw_destroy_ctx(adapter); 1965 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1966 1967 qlcnic_reset_rx_buffers_list(adapter); 1968 1969 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1970 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1971 } 1972 1973 /* Usage: During suspend and firmware recovery module */ 1974 1975 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1976 { 1977 rtnl_lock(); 1978 if (netif_running(netdev)) 1979 __qlcnic_down(adapter, netdev); 1980 rtnl_unlock(); 1981 1982 } 1983 1984 int 1985 qlcnic_attach(struct qlcnic_adapter *adapter) 1986 { 1987 struct net_device *netdev = adapter->netdev; 1988 struct pci_dev *pdev = adapter->pdev; 1989 int err; 1990 1991 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1992 return 0; 1993 1994 err = qlcnic_napi_add(adapter, netdev); 1995 if (err) 1996 return err; 1997 1998 err = qlcnic_alloc_sw_resources(adapter); 1999 if (err) { 2000 dev_err(&pdev->dev, "Error in setting sw resources\n"); 2001 goto err_out_napi_del; 2002 } 2003 2004 err = qlcnic_alloc_hw_resources(adapter); 2005 if (err) { 2006 dev_err(&pdev->dev, "Error in setting hw resources\n"); 2007 goto err_out_free_sw; 2008 } 2009 2010 err = qlcnic_request_irq(adapter); 2011 if (err) { 2012 dev_err(&pdev->dev, "failed to setup interrupt\n"); 2013 goto err_out_free_hw; 2014 } 2015 2016 qlcnic_create_sysfs_entries(adapter); 2017 2018 #ifdef CONFIG_QLCNIC_VXLAN 2019 if (qlcnic_encap_rx_offload(adapter)) 2020 vxlan_get_rx_port(netdev); 2021 #endif 2022 2023 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 2024 return 0; 2025 2026 err_out_free_hw: 2027 qlcnic_free_hw_resources(adapter); 2028 err_out_free_sw: 2029 qlcnic_free_sw_resources(adapter); 2030 err_out_napi_del: 2031 qlcnic_napi_del(adapter); 2032 return err; 2033 } 2034 2035 void qlcnic_detach(struct qlcnic_adapter *adapter) 2036 { 2037 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 2038 return; 2039 2040 qlcnic_remove_sysfs_entries(adapter); 2041 2042 qlcnic_free_hw_resources(adapter); 2043 qlcnic_release_rx_buffers(adapter); 2044 qlcnic_free_irq(adapter); 2045 qlcnic_napi_del(adapter); 2046 qlcnic_free_sw_resources(adapter); 2047 2048 adapter->is_up = 0; 2049 } 2050 2051 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 2052 { 2053 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2054 struct qlcnic_host_sds_ring *sds_ring; 2055 int drv_tx_rings = adapter->drv_tx_rings; 2056 int ring; 2057 2058 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 2059 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2060 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2061 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2062 qlcnic_disable_sds_intr(adapter, sds_ring); 2063 } 2064 } 2065 2066 qlcnic_fw_destroy_ctx(adapter); 2067 2068 qlcnic_detach(adapter); 2069 2070 adapter->ahw->diag_test = 0; 2071 adapter->drv_sds_rings = drv_sds_rings; 2072 adapter->drv_tx_rings = drv_tx_rings; 2073 2074 if (qlcnic_attach(adapter)) 2075 goto out; 2076 2077 if (netif_running(netdev)) 2078 __qlcnic_up(adapter, netdev); 2079 out: 2080 netif_device_attach(netdev); 2081 } 2082 2083 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 2084 { 2085 struct qlcnic_hardware_context *ahw = adapter->ahw; 2086 int err = 0; 2087 2088 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2089 GFP_KERNEL); 2090 if (!adapter->recv_ctx) { 2091 err = -ENOMEM; 2092 goto err_out; 2093 } 2094 2095 if (qlcnic_83xx_check(adapter)) { 2096 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 2097 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 2098 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 2099 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2100 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2101 } else { 2102 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 2103 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 2104 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 2105 } 2106 2107 /* clear stats */ 2108 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2109 err_out: 2110 return err; 2111 } 2112 2113 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2114 { 2115 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; 2116 2117 kfree(adapter->recv_ctx); 2118 adapter->recv_ctx = NULL; 2119 2120 if (fw_dump->tmpl_hdr) { 2121 vfree(fw_dump->tmpl_hdr); 2122 fw_dump->tmpl_hdr = NULL; 2123 } 2124 2125 if (fw_dump->dma_buffer) { 2126 dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, 2127 fw_dump->dma_buffer, fw_dump->phys_addr); 2128 fw_dump->dma_buffer = NULL; 2129 } 2130 2131 kfree(adapter->ahw->reset.buff); 2132 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2133 } 2134 2135 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2136 { 2137 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2138 struct qlcnic_host_sds_ring *sds_ring; 2139 struct qlcnic_host_rds_ring *rds_ring; 2140 int ring; 2141 int ret; 2142 2143 netif_device_detach(netdev); 2144 2145 if (netif_running(netdev)) 2146 __qlcnic_down(adapter, netdev); 2147 2148 qlcnic_detach(adapter); 2149 2150 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2151 adapter->ahw->diag_test = test; 2152 adapter->ahw->linkup = 0; 2153 2154 ret = qlcnic_attach(adapter); 2155 if (ret) { 2156 netif_device_attach(netdev); 2157 return ret; 2158 } 2159 2160 ret = qlcnic_fw_create_ctx(adapter); 2161 if (ret) { 2162 qlcnic_detach(adapter); 2163 netif_device_attach(netdev); 2164 return ret; 2165 } 2166 2167 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2168 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2169 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2170 } 2171 2172 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2173 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2174 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2175 qlcnic_enable_sds_intr(adapter, sds_ring); 2176 } 2177 } 2178 2179 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2180 adapter->ahw->loopback_state = 0; 2181 qlcnic_linkevent_request(adapter, 1); 2182 } 2183 2184 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2185 2186 return 0; 2187 } 2188 2189 /* Reset context in hardware only */ 2190 static int 2191 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2192 { 2193 struct net_device *netdev = adapter->netdev; 2194 2195 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2196 return -EBUSY; 2197 2198 netif_device_detach(netdev); 2199 2200 qlcnic_down(adapter, netdev); 2201 2202 qlcnic_up(adapter, netdev); 2203 2204 netif_device_attach(netdev); 2205 2206 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2207 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2208 return 0; 2209 } 2210 2211 int 2212 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2213 { 2214 int err = 0; 2215 struct net_device *netdev = adapter->netdev; 2216 2217 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2218 return -EBUSY; 2219 2220 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2221 2222 netif_device_detach(netdev); 2223 2224 if (netif_running(netdev)) 2225 __qlcnic_down(adapter, netdev); 2226 2227 qlcnic_detach(adapter); 2228 2229 if (netif_running(netdev)) { 2230 err = qlcnic_attach(adapter); 2231 if (!err) { 2232 __qlcnic_up(adapter, netdev); 2233 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2234 } 2235 } 2236 2237 netif_device_attach(netdev); 2238 } 2239 2240 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2241 return err; 2242 } 2243 2244 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2245 { 2246 struct qlcnic_hardware_context *ahw = adapter->ahw; 2247 u16 act_pci_fn = ahw->total_nic_func; 2248 u16 count; 2249 2250 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2251 if (act_pci_fn <= 2) 2252 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2253 act_pci_fn; 2254 else 2255 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2256 act_pci_fn; 2257 ahw->max_uc_count = count; 2258 } 2259 2260 static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, 2261 u8 tx_queues, u8 rx_queues) 2262 { 2263 struct net_device *netdev = adapter->netdev; 2264 int err = 0; 2265 2266 if (tx_queues) { 2267 err = netif_set_real_num_tx_queues(netdev, tx_queues); 2268 if (err) { 2269 netdev_err(netdev, "failed to set %d Tx queues\n", 2270 tx_queues); 2271 return err; 2272 } 2273 } 2274 2275 if (rx_queues) { 2276 err = netif_set_real_num_rx_queues(netdev, rx_queues); 2277 if (err) 2278 netdev_err(netdev, "failed to set %d Rx queues\n", 2279 rx_queues); 2280 } 2281 2282 return err; 2283 } 2284 2285 int 2286 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2287 int pci_using_dac) 2288 { 2289 int err; 2290 struct pci_dev *pdev = adapter->pdev; 2291 2292 adapter->rx_csum = 1; 2293 adapter->ahw->mc_enabled = 0; 2294 qlcnic_set_mac_filter_count(adapter); 2295 2296 netdev->netdev_ops = &qlcnic_netdev_ops; 2297 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2298 2299 qlcnic_change_mtu(netdev, netdev->mtu); 2300 2301 netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? 2302 &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; 2303 2304 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2305 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2306 NETIF_F_HW_VLAN_CTAG_RX); 2307 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2308 NETIF_F_IPV6_CSUM); 2309 2310 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2311 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2312 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2313 } 2314 2315 if (pci_using_dac) { 2316 netdev->features |= NETIF_F_HIGHDMA; 2317 netdev->vlan_features |= NETIF_F_HIGHDMA; 2318 } 2319 2320 if (qlcnic_vlan_tx_check(adapter)) 2321 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2322 2323 if (qlcnic_sriov_vf_check(adapter)) 2324 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2325 2326 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2327 netdev->features |= NETIF_F_LRO; 2328 2329 if (qlcnic_encap_tx_offload(adapter)) { 2330 netdev->features |= NETIF_F_GSO_UDP_TUNNEL; 2331 2332 /* encapsulation Tx offload supported by Adapter */ 2333 netdev->hw_enc_features = NETIF_F_IP_CSUM | 2334 NETIF_F_GSO_UDP_TUNNEL | 2335 NETIF_F_TSO | 2336 NETIF_F_TSO6; 2337 } 2338 2339 if (qlcnic_encap_rx_offload(adapter)) 2340 netdev->hw_enc_features |= NETIF_F_RXCSUM; 2341 2342 netdev->hw_features = netdev->features; 2343 netdev->priv_flags |= IFF_UNICAST_FLT; 2344 netdev->irq = adapter->msix_entries[0].vector; 2345 2346 err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, 2347 adapter->drv_sds_rings); 2348 if (err) 2349 return err; 2350 2351 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2352 2353 err = register_netdev(netdev); 2354 if (err) { 2355 dev_err(&pdev->dev, "failed to register net device\n"); 2356 return err; 2357 } 2358 2359 return 0; 2360 } 2361 2362 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2363 { 2364 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2365 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2366 *pci_using_dac = 1; 2367 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2368 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2369 *pci_using_dac = 0; 2370 else { 2371 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2372 return -EIO; 2373 } 2374 2375 return 0; 2376 } 2377 2378 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2379 { 2380 int ring; 2381 struct qlcnic_host_tx_ring *tx_ring; 2382 2383 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2384 tx_ring = &adapter->tx_ring[ring]; 2385 if (tx_ring) { 2386 vfree(tx_ring->cmd_buf_arr); 2387 tx_ring->cmd_buf_arr = NULL; 2388 } 2389 } 2390 kfree(adapter->tx_ring); 2391 } 2392 2393 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2394 struct net_device *netdev) 2395 { 2396 int ring, vector, index; 2397 struct qlcnic_host_tx_ring *tx_ring; 2398 struct qlcnic_cmd_buffer *cmd_buf_arr; 2399 2400 tx_ring = kcalloc(adapter->drv_tx_rings, 2401 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2402 if (tx_ring == NULL) 2403 return -ENOMEM; 2404 2405 adapter->tx_ring = tx_ring; 2406 2407 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2408 tx_ring = &adapter->tx_ring[ring]; 2409 tx_ring->num_desc = adapter->num_txd; 2410 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2411 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2412 if (cmd_buf_arr == NULL) { 2413 qlcnic_free_tx_rings(adapter); 2414 return -ENOMEM; 2415 } 2416 tx_ring->cmd_buf_arr = cmd_buf_arr; 2417 spin_lock_init(&tx_ring->tx_clean_lock); 2418 } 2419 2420 if (qlcnic_83xx_check(adapter) || 2421 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2422 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2423 tx_ring = &adapter->tx_ring[ring]; 2424 tx_ring->adapter = adapter; 2425 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2426 index = adapter->drv_sds_rings + ring; 2427 vector = adapter->msix_entries[index].vector; 2428 tx_ring->irq = vector; 2429 } 2430 } 2431 } 2432 2433 return 0; 2434 } 2435 2436 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2437 { 2438 struct qlcnic_hardware_context *ahw = adapter->ahw; 2439 u32 fw_cmd = 0; 2440 2441 if (qlcnic_82xx_check(adapter)) 2442 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2443 else if (qlcnic_83xx_check(adapter)) 2444 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2445 2446 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2447 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2448 } 2449 2450 /* Reset firmware API lock */ 2451 static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) 2452 { 2453 qlcnic_api_lock(adapter); 2454 qlcnic_api_unlock(adapter); 2455 } 2456 2457 2458 static int 2459 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2460 { 2461 struct net_device *netdev = NULL; 2462 struct qlcnic_adapter *adapter = NULL; 2463 struct qlcnic_hardware_context *ahw; 2464 int err, pci_using_dac = -1; 2465 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2466 2467 err = pci_enable_device(pdev); 2468 if (err) 2469 return err; 2470 2471 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2472 err = -ENODEV; 2473 goto err_out_disable_pdev; 2474 } 2475 2476 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2477 if (err) 2478 goto err_out_disable_pdev; 2479 2480 err = pci_request_regions(pdev, qlcnic_driver_name); 2481 if (err) 2482 goto err_out_disable_pdev; 2483 2484 pci_set_master(pdev); 2485 pci_enable_pcie_error_reporting(pdev); 2486 2487 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2488 if (!ahw) { 2489 err = -ENOMEM; 2490 goto err_out_free_res; 2491 } 2492 2493 switch (ent->device) { 2494 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2495 ahw->hw_ops = &qlcnic_hw_ops; 2496 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2497 break; 2498 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2499 case PCI_DEVICE_ID_QLOGIC_QLE8830: 2500 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2501 qlcnic_83xx_register_map(ahw); 2502 break; 2503 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2504 case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: 2505 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2506 qlcnic_sriov_vf_register_map(ahw); 2507 break; 2508 default: 2509 goto err_out_free_hw_res; 2510 } 2511 2512 err = qlcnic_setup_pci_map(pdev, ahw); 2513 if (err) 2514 goto err_out_free_hw_res; 2515 2516 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2517 QLCNIC_MAX_TX_RINGS); 2518 if (!netdev) { 2519 err = -ENOMEM; 2520 goto err_out_iounmap; 2521 } 2522 2523 SET_NETDEV_DEV(netdev, &pdev->dev); 2524 2525 adapter = netdev_priv(netdev); 2526 adapter->netdev = netdev; 2527 adapter->pdev = pdev; 2528 adapter->ahw = ahw; 2529 2530 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2531 if (adapter->qlcnic_wq == NULL) { 2532 err = -ENOMEM; 2533 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2534 goto err_out_free_netdev; 2535 } 2536 2537 err = qlcnic_alloc_adapter_resources(adapter); 2538 if (err) 2539 goto err_out_free_wq; 2540 2541 adapter->dev_rst_time = jiffies; 2542 ahw->revision_id = pdev->revision; 2543 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2544 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2545 adapter->fdb_mac_learn = true; 2546 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2547 adapter->drv_mac_learn = true; 2548 2549 rwlock_init(&adapter->ahw->crb_lock); 2550 mutex_init(&adapter->ahw->mem_lock); 2551 2552 INIT_LIST_HEAD(&adapter->mac_list); 2553 2554 qlcnic_register_dcb(adapter); 2555 2556 if (qlcnic_82xx_check(adapter)) { 2557 qlcnic_check_vf(adapter, ent); 2558 adapter->portnum = adapter->ahw->pci_func; 2559 qlcnic_reset_api_lock(adapter); 2560 err = qlcnic_start_firmware(adapter); 2561 if (err) { 2562 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2563 "\t\tIf reboot doesn't help, try flashing the card\n"); 2564 goto err_out_maintenance_mode; 2565 } 2566 2567 /* compute and set default and max tx/sds rings */ 2568 if (adapter->ahw->msix_supported) { 2569 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2570 qlcnic_set_tx_ring_count(adapter, 2571 QLCNIC_SINGLE_RING); 2572 else 2573 qlcnic_set_tx_ring_count(adapter, 2574 QLCNIC_DEF_TX_RINGS); 2575 qlcnic_set_sds_ring_count(adapter, 2576 QLCNIC_DEF_SDS_RINGS); 2577 } else { 2578 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2579 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2580 } 2581 2582 err = qlcnic_setup_idc_param(adapter); 2583 if (err) 2584 goto err_out_free_hw; 2585 2586 adapter->flags |= QLCNIC_NEED_FLR; 2587 2588 } else if (qlcnic_83xx_check(adapter)) { 2589 qlcnic_83xx_check_vf(adapter, ent); 2590 adapter->portnum = adapter->ahw->pci_func; 2591 err = qlcnic_83xx_init(adapter, pci_using_dac); 2592 if (err) { 2593 switch (err) { 2594 case -ENOTRECOVERABLE: 2595 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); 2596 dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); 2597 goto err_out_free_hw; 2598 case -ENOMEM: 2599 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2600 goto err_out_free_hw; 2601 case -EOPNOTSUPP: 2602 dev_err(&pdev->dev, "Adapter initialization failed\n"); 2603 goto err_out_free_hw; 2604 default: 2605 dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); 2606 goto err_out_maintenance_mode; 2607 } 2608 } 2609 2610 if (qlcnic_sriov_vf_check(adapter)) 2611 return 0; 2612 } else { 2613 dev_err(&pdev->dev, 2614 "%s: failed. Please Reboot\n", __func__); 2615 err = -ENODEV; 2616 goto err_out_free_hw; 2617 } 2618 2619 if (qlcnic_read_mac_addr(adapter)) 2620 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2621 2622 qlcnic_read_phys_port_id(adapter); 2623 2624 if (adapter->portnum == 0) { 2625 qlcnic_get_board_name(adapter, board_name); 2626 2627 pr_info("%s: %s Board Chip rev 0x%x\n", 2628 module_name(THIS_MODULE), 2629 board_name, adapter->ahw->revision_id); 2630 } 2631 2632 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2633 !!qlcnic_use_msi) 2634 dev_warn(&pdev->dev, 2635 "Device does not support MSI interrupts\n"); 2636 2637 if (qlcnic_82xx_check(adapter)) { 2638 qlcnic_dcb_enable(adapter->dcb); 2639 qlcnic_dcb_get_info(adapter->dcb); 2640 err = qlcnic_setup_intr(adapter); 2641 2642 if (err) { 2643 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2644 goto err_out_disable_msi; 2645 } 2646 } 2647 2648 err = qlcnic_get_act_pci_func(adapter); 2649 if (err) 2650 goto err_out_disable_mbx_intr; 2651 2652 if (adapter->portnum == 0) 2653 qlcnic_set_drv_version(adapter); 2654 2655 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2656 if (err) 2657 goto err_out_disable_mbx_intr; 2658 2659 pci_set_drvdata(pdev, adapter); 2660 2661 if (qlcnic_82xx_check(adapter)) 2662 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2663 FW_POLL_DELAY); 2664 2665 switch (adapter->ahw->port_type) { 2666 case QLCNIC_GBE: 2667 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2668 adapter->netdev->name); 2669 break; 2670 case QLCNIC_XGBE: 2671 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2672 adapter->netdev->name); 2673 break; 2674 } 2675 2676 if (adapter->drv_mac_learn) 2677 qlcnic_alloc_lb_filters_mem(adapter); 2678 2679 qlcnic_add_sysfs(adapter); 2680 qlcnic_register_hwmon_dev(adapter); 2681 return 0; 2682 2683 err_out_disable_mbx_intr: 2684 if (qlcnic_83xx_check(adapter)) 2685 qlcnic_83xx_free_mbx_intr(adapter); 2686 2687 err_out_disable_msi: 2688 qlcnic_teardown_intr(adapter); 2689 qlcnic_cancel_idc_work(adapter); 2690 qlcnic_clr_all_drv_state(adapter, 0); 2691 2692 err_out_free_hw: 2693 qlcnic_free_adapter_resources(adapter); 2694 2695 err_out_free_wq: 2696 destroy_workqueue(adapter->qlcnic_wq); 2697 2698 err_out_free_netdev: 2699 free_netdev(netdev); 2700 2701 err_out_iounmap: 2702 qlcnic_cleanup_pci_map(ahw); 2703 2704 err_out_free_hw_res: 2705 kfree(ahw); 2706 2707 err_out_free_res: 2708 pci_release_regions(pdev); 2709 2710 err_out_disable_pdev: 2711 pci_disable_device(pdev); 2712 return err; 2713 2714 err_out_maintenance_mode: 2715 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2716 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2717 netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; 2718 ahw->port_type = QLCNIC_XGBE; 2719 2720 if (qlcnic_83xx_check(adapter)) 2721 adapter->tgt_status_reg = NULL; 2722 else 2723 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2724 2725 err = register_netdev(netdev); 2726 2727 if (err) { 2728 dev_err(&pdev->dev, "Failed to register net device\n"); 2729 qlcnic_clr_all_drv_state(adapter, 0); 2730 goto err_out_free_hw; 2731 } 2732 2733 pci_set_drvdata(pdev, adapter); 2734 qlcnic_add_sysfs(adapter); 2735 2736 return 0; 2737 } 2738 2739 static void qlcnic_remove(struct pci_dev *pdev) 2740 { 2741 struct qlcnic_adapter *adapter; 2742 struct net_device *netdev; 2743 struct qlcnic_hardware_context *ahw; 2744 2745 adapter = pci_get_drvdata(pdev); 2746 if (adapter == NULL) 2747 return; 2748 2749 netdev = adapter->netdev; 2750 2751 qlcnic_cancel_idc_work(adapter); 2752 qlcnic_sriov_pf_disable(adapter); 2753 ahw = adapter->ahw; 2754 2755 unregister_netdev(netdev); 2756 qlcnic_sriov_cleanup(adapter); 2757 2758 if (qlcnic_83xx_check(adapter)) { 2759 qlcnic_83xx_initialize_nic(adapter, 0); 2760 cancel_delayed_work_sync(&adapter->idc_aen_work); 2761 qlcnic_83xx_free_mbx_intr(adapter); 2762 qlcnic_83xx_detach_mailbox_work(adapter); 2763 qlcnic_83xx_free_mailbox(ahw->mailbox); 2764 kfree(ahw->fw_info); 2765 } 2766 2767 qlcnic_dcb_free(adapter->dcb); 2768 qlcnic_detach(adapter); 2769 kfree(adapter->npars); 2770 kfree(adapter->eswitch); 2771 2772 if (qlcnic_82xx_check(adapter)) 2773 qlcnic_clr_all_drv_state(adapter, 0); 2774 2775 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2776 2777 qlcnic_free_lb_filters_mem(adapter); 2778 2779 qlcnic_teardown_intr(adapter); 2780 2781 qlcnic_remove_sysfs(adapter); 2782 2783 qlcnic_unregister_hwmon_dev(adapter); 2784 2785 qlcnic_cleanup_pci_map(adapter->ahw); 2786 2787 qlcnic_release_firmware(adapter); 2788 2789 pci_disable_pcie_error_reporting(pdev); 2790 pci_release_regions(pdev); 2791 pci_disable_device(pdev); 2792 2793 if (adapter->qlcnic_wq) { 2794 destroy_workqueue(adapter->qlcnic_wq); 2795 adapter->qlcnic_wq = NULL; 2796 } 2797 2798 qlcnic_free_adapter_resources(adapter); 2799 kfree(ahw); 2800 free_netdev(netdev); 2801 } 2802 2803 static void qlcnic_shutdown(struct pci_dev *pdev) 2804 { 2805 if (__qlcnic_shutdown(pdev)) 2806 return; 2807 2808 pci_disable_device(pdev); 2809 } 2810 2811 #ifdef CONFIG_PM 2812 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2813 { 2814 int retval; 2815 2816 retval = __qlcnic_shutdown(pdev); 2817 if (retval) 2818 return retval; 2819 2820 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2821 return 0; 2822 } 2823 2824 static int qlcnic_resume(struct pci_dev *pdev) 2825 { 2826 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2827 int err; 2828 2829 err = pci_enable_device(pdev); 2830 if (err) 2831 return err; 2832 2833 pci_set_power_state(pdev, PCI_D0); 2834 pci_set_master(pdev); 2835 pci_restore_state(pdev); 2836 2837 return __qlcnic_resume(adapter); 2838 } 2839 #endif 2840 2841 static int qlcnic_open(struct net_device *netdev) 2842 { 2843 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2844 int err; 2845 2846 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2847 netdev_err(netdev, "%s: Device is in non-operational state\n", 2848 __func__); 2849 2850 return -EIO; 2851 } 2852 2853 netif_carrier_off(netdev); 2854 2855 err = qlcnic_attach(adapter); 2856 if (err) 2857 return err; 2858 2859 err = __qlcnic_up(adapter, netdev); 2860 if (err) 2861 qlcnic_detach(adapter); 2862 2863 return err; 2864 } 2865 2866 /* 2867 * qlcnic_close - Disables a network interface entry point 2868 */ 2869 static int qlcnic_close(struct net_device *netdev) 2870 { 2871 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2872 2873 __qlcnic_down(adapter, netdev); 2874 2875 return 0; 2876 } 2877 2878 #define QLCNIC_VF_LB_BUCKET_SIZE 1 2879 2880 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2881 { 2882 void *head; 2883 int i; 2884 struct net_device *netdev = adapter->netdev; 2885 u32 filter_size = 0; 2886 u16 act_pci_func = 0; 2887 2888 if (adapter->fhash.fmax && adapter->fhash.fhead) 2889 return; 2890 2891 act_pci_func = adapter->ahw->total_nic_func; 2892 spin_lock_init(&adapter->mac_learn_lock); 2893 spin_lock_init(&adapter->rx_mac_learn_lock); 2894 2895 if (qlcnic_sriov_vf_check(adapter)) { 2896 filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; 2897 adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; 2898 } else if (qlcnic_82xx_check(adapter)) { 2899 filter_size = QLCNIC_LB_MAX_FILTERS; 2900 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2901 } else { 2902 filter_size = QLC_83XX_LB_MAX_FILTERS; 2903 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2904 } 2905 2906 head = kcalloc(adapter->fhash.fbucket_size, 2907 sizeof(struct hlist_head), GFP_ATOMIC); 2908 2909 if (!head) 2910 return; 2911 2912 adapter->fhash.fmax = (filter_size / act_pci_func); 2913 adapter->fhash.fhead = head; 2914 2915 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2916 act_pci_func, adapter->fhash.fmax); 2917 2918 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2919 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2920 2921 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2922 2923 head = kcalloc(adapter->rx_fhash.fbucket_size, 2924 sizeof(struct hlist_head), GFP_ATOMIC); 2925 2926 if (!head) 2927 return; 2928 2929 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2930 adapter->rx_fhash.fhead = head; 2931 2932 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2933 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2934 } 2935 2936 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2937 { 2938 if (adapter->fhash.fmax) 2939 kfree(adapter->fhash.fhead); 2940 2941 adapter->fhash.fhead = NULL; 2942 adapter->fhash.fmax = 0; 2943 2944 if (adapter->rx_fhash.fmax) 2945 kfree(adapter->rx_fhash.fhead); 2946 2947 adapter->rx_fhash.fmax = 0; 2948 adapter->rx_fhash.fhead = NULL; 2949 } 2950 2951 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2952 { 2953 struct net_device *netdev = adapter->netdev; 2954 u32 temp_state, temp_val, temp = 0; 2955 int rv = 0; 2956 2957 if (qlcnic_83xx_check(adapter)) 2958 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2959 2960 if (qlcnic_82xx_check(adapter)) 2961 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2962 2963 temp_state = qlcnic_get_temp_state(temp); 2964 temp_val = qlcnic_get_temp_val(temp); 2965 2966 if (temp_state == QLCNIC_TEMP_PANIC) { 2967 dev_err(&netdev->dev, 2968 "Device temperature %d degrees C exceeds" 2969 " maximum allowed. Hardware has been shut down.\n", 2970 temp_val); 2971 rv = 1; 2972 } else if (temp_state == QLCNIC_TEMP_WARN) { 2973 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2974 dev_err(&netdev->dev, 2975 "Device temperature %d degrees C " 2976 "exceeds operating range." 2977 " Immediate action needed.\n", 2978 temp_val); 2979 } 2980 } else { 2981 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2982 dev_info(&netdev->dev, 2983 "Device temperature is now %d degrees C" 2984 " in normal range.\n", temp_val); 2985 } 2986 } 2987 adapter->ahw->temp = temp_state; 2988 return rv; 2989 } 2990 2991 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2992 { 2993 int i; 2994 struct cmd_desc_type0 *tx_desc_info; 2995 2996 for (i = 0; i < tx_ring->num_desc; i++) { 2997 tx_desc_info = &tx_ring->desc_head[i]; 2998 pr_info("TX Desc: %d\n", i); 2999 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 3000 &tx_ring->desc_head[i], 3001 sizeof(struct cmd_desc_type0), true); 3002 } 3003 } 3004 3005 static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) 3006 { 3007 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 3008 struct net_device *netdev = adapter->netdev; 3009 struct qlcnic_host_rds_ring *rds_ring; 3010 struct qlcnic_host_sds_ring *sds_ring; 3011 struct qlcnic_host_tx_ring *tx_ring; 3012 int ring; 3013 3014 if (!netdev || !netif_running(netdev)) 3015 return; 3016 3017 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 3018 rds_ring = &recv_ctx->rds_rings[ring]; 3019 if (!rds_ring) 3020 continue; 3021 netdev_info(netdev, 3022 "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", 3023 ring, readl(rds_ring->crb_rcv_producer), 3024 rds_ring->producer, rds_ring->num_desc); 3025 } 3026 3027 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3028 sds_ring = &(recv_ctx->sds_rings[ring]); 3029 if (!sds_ring) 3030 continue; 3031 netdev_info(netdev, 3032 "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", 3033 ring, readl(sds_ring->crb_sts_consumer), 3034 sds_ring->consumer, readl(sds_ring->crb_intr_mask), 3035 sds_ring->num_desc); 3036 } 3037 3038 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3039 tx_ring = &adapter->tx_ring[ring]; 3040 if (!tx_ring) 3041 continue; 3042 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 3043 ring, tx_ring->ctx_id); 3044 netdev_info(netdev, 3045 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 3046 tx_ring->tx_stats.xmit_finished, 3047 tx_ring->tx_stats.xmit_called, 3048 tx_ring->tx_stats.xmit_on, 3049 tx_ring->tx_stats.xmit_off); 3050 3051 if (tx_ring->crb_intr_mask) 3052 netdev_info(netdev, "crb_intr_mask=%d\n", 3053 readl(tx_ring->crb_intr_mask)); 3054 3055 netdev_info(netdev, 3056 "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 3057 readl(tx_ring->crb_cmd_producer), 3058 tx_ring->producer, tx_ring->sw_consumer, 3059 le32_to_cpu(*(tx_ring->hw_consumer))); 3060 3061 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 3062 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 3063 3064 if (netif_msg_tx_err(adapter->ahw)) 3065 dump_tx_ring_desc(tx_ring); 3066 } 3067 3068 } 3069 3070 static void qlcnic_tx_timeout(struct net_device *netdev) 3071 { 3072 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3073 3074 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3075 return; 3076 3077 qlcnic_dump_rings(adapter); 3078 3079 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || 3080 netif_msg_tx_err(adapter->ahw)) { 3081 netdev_err(netdev, "Tx timeout, reset the adapter.\n"); 3082 if (qlcnic_82xx_check(adapter)) 3083 adapter->need_fw_reset = 1; 3084 else if (qlcnic_83xx_check(adapter)) 3085 qlcnic_83xx_idc_request_reset(adapter, 3086 QLCNIC_FORCE_FW_DUMP_KEY); 3087 } else { 3088 netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 3089 adapter->ahw->reset_context = 1; 3090 } 3091 } 3092 3093 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 3094 { 3095 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3096 struct net_device_stats *stats = &netdev->stats; 3097 3098 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3099 qlcnic_update_stats(adapter); 3100 3101 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 3102 stats->tx_packets = adapter->stats.xmitfinished; 3103 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 3104 stats->tx_bytes = adapter->stats.txbytes; 3105 stats->rx_dropped = adapter->stats.rxdropped; 3106 stats->tx_dropped = adapter->stats.txdropped; 3107 3108 return stats; 3109 } 3110 3111 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 3112 { 3113 u32 status; 3114 3115 status = readl(adapter->isr_int_vec); 3116 3117 if (!(status & adapter->ahw->int_vec_bit)) 3118 return IRQ_NONE; 3119 3120 /* check interrupt state machine, to be sure */ 3121 status = readl(adapter->crb_int_state_reg); 3122 if (!ISR_LEGACY_INT_TRIGGERED(status)) 3123 return IRQ_NONE; 3124 3125 writel(0xffffffff, adapter->tgt_status_reg); 3126 /* read twice to ensure write is flushed */ 3127 readl(adapter->isr_int_vec); 3128 readl(adapter->isr_int_vec); 3129 3130 return IRQ_HANDLED; 3131 } 3132 3133 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 3134 { 3135 struct qlcnic_host_sds_ring *sds_ring = data; 3136 struct qlcnic_adapter *adapter = sds_ring->adapter; 3137 3138 if (adapter->flags & QLCNIC_MSIX_ENABLED) 3139 goto done; 3140 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 3141 writel(0xffffffff, adapter->tgt_status_reg); 3142 goto done; 3143 } 3144 3145 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3146 return IRQ_NONE; 3147 3148 done: 3149 adapter->ahw->diag_cnt++; 3150 qlcnic_enable_sds_intr(adapter, sds_ring); 3151 return IRQ_HANDLED; 3152 } 3153 3154 static irqreturn_t qlcnic_intr(int irq, void *data) 3155 { 3156 struct qlcnic_host_sds_ring *sds_ring = data; 3157 struct qlcnic_adapter *adapter = sds_ring->adapter; 3158 3159 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 3160 return IRQ_NONE; 3161 3162 napi_schedule(&sds_ring->napi); 3163 3164 return IRQ_HANDLED; 3165 } 3166 3167 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 3168 { 3169 struct qlcnic_host_sds_ring *sds_ring = data; 3170 struct qlcnic_adapter *adapter = sds_ring->adapter; 3171 3172 /* clear interrupt */ 3173 writel(0xffffffff, adapter->tgt_status_reg); 3174 3175 napi_schedule(&sds_ring->napi); 3176 return IRQ_HANDLED; 3177 } 3178 3179 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 3180 { 3181 struct qlcnic_host_sds_ring *sds_ring = data; 3182 3183 napi_schedule(&sds_ring->napi); 3184 return IRQ_HANDLED; 3185 } 3186 3187 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 3188 { 3189 struct qlcnic_host_tx_ring *tx_ring = data; 3190 3191 napi_schedule(&tx_ring->napi); 3192 return IRQ_HANDLED; 3193 } 3194 3195 #ifdef CONFIG_NET_POLL_CONTROLLER 3196 static void qlcnic_poll_controller(struct net_device *netdev) 3197 { 3198 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3199 struct qlcnic_host_sds_ring *sds_ring; 3200 struct qlcnic_recv_context *recv_ctx; 3201 struct qlcnic_host_tx_ring *tx_ring; 3202 int ring; 3203 3204 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3205 return; 3206 3207 recv_ctx = adapter->recv_ctx; 3208 3209 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3210 sds_ring = &recv_ctx->sds_rings[ring]; 3211 qlcnic_disable_sds_intr(adapter, sds_ring); 3212 napi_schedule(&sds_ring->napi); 3213 } 3214 3215 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 3216 /* Only Multi-Tx queue capable devices need to 3217 * schedule NAPI for TX rings 3218 */ 3219 if ((qlcnic_83xx_check(adapter) && 3220 (adapter->flags & QLCNIC_TX_INTR_SHARED)) || 3221 (qlcnic_82xx_check(adapter) && 3222 !qlcnic_check_multi_tx(adapter))) 3223 return; 3224 3225 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3226 tx_ring = &adapter->tx_ring[ring]; 3227 qlcnic_disable_tx_intr(adapter, tx_ring); 3228 napi_schedule(&tx_ring->napi); 3229 } 3230 } 3231 } 3232 #endif 3233 3234 static void 3235 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3236 { 3237 u32 val; 3238 3239 val = adapter->portnum & 0xf; 3240 val |= encoding << 7; 3241 val |= (jiffies - adapter->dev_rst_time) << 8; 3242 3243 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3244 adapter->dev_rst_time = jiffies; 3245 } 3246 3247 static int 3248 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3249 { 3250 u32 val; 3251 3252 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3253 state != QLCNIC_DEV_NEED_QUISCENT); 3254 3255 if (qlcnic_api_lock(adapter)) 3256 return -EIO; 3257 3258 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3259 3260 if (state == QLCNIC_DEV_NEED_RESET) 3261 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3262 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3263 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3264 3265 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3266 3267 qlcnic_api_unlock(adapter); 3268 3269 return 0; 3270 } 3271 3272 static int 3273 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3274 { 3275 u32 val; 3276 3277 if (qlcnic_api_lock(adapter)) 3278 return -EBUSY; 3279 3280 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3281 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3282 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3283 3284 qlcnic_api_unlock(adapter); 3285 3286 return 0; 3287 } 3288 3289 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3290 { 3291 u32 val; 3292 3293 if (qlcnic_api_lock(adapter)) 3294 goto err; 3295 3296 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3297 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3298 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3299 3300 if (failed) { 3301 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3302 QLCNIC_DEV_FAILED); 3303 dev_info(&adapter->pdev->dev, 3304 "Device state set to Failed. Please Reboot\n"); 3305 } else if (!(val & 0x11111111)) 3306 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3307 QLCNIC_DEV_COLD); 3308 3309 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3310 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3311 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3312 3313 qlcnic_api_unlock(adapter); 3314 err: 3315 adapter->fw_fail_cnt = 0; 3316 adapter->flags &= ~QLCNIC_FW_HANG; 3317 clear_bit(__QLCNIC_START_FW, &adapter->state); 3318 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3319 } 3320 3321 /* Grab api lock, before checking state */ 3322 static int 3323 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3324 { 3325 int act, state, active_mask; 3326 struct qlcnic_hardware_context *ahw = adapter->ahw; 3327 3328 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3329 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3330 3331 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3332 active_mask = (~(1 << (ahw->pci_func * 4))); 3333 act = act & active_mask; 3334 } 3335 3336 if (((state & 0x11111111) == (act & 0x11111111)) || 3337 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3338 return 0; 3339 else 3340 return 1; 3341 } 3342 3343 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3344 { 3345 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3346 3347 if (val != QLCNIC_DRV_IDC_VER) { 3348 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3349 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3350 } 3351 3352 return 0; 3353 } 3354 3355 static int 3356 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3357 { 3358 u32 val, prev_state; 3359 u8 dev_init_timeo = adapter->dev_init_timeo; 3360 u8 portnum = adapter->portnum; 3361 u8 ret; 3362 3363 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3364 return 1; 3365 3366 if (qlcnic_api_lock(adapter)) 3367 return -1; 3368 3369 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3370 if (!(val & (1 << (portnum * 4)))) { 3371 QLC_DEV_SET_REF_CNT(val, portnum); 3372 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3373 } 3374 3375 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3376 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3377 3378 switch (prev_state) { 3379 case QLCNIC_DEV_COLD: 3380 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3381 QLCNIC_DEV_INITIALIZING); 3382 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3383 QLCNIC_DRV_IDC_VER); 3384 qlcnic_idc_debug_info(adapter, 0); 3385 qlcnic_api_unlock(adapter); 3386 return 1; 3387 3388 case QLCNIC_DEV_READY: 3389 ret = qlcnic_check_idc_ver(adapter); 3390 qlcnic_api_unlock(adapter); 3391 return ret; 3392 3393 case QLCNIC_DEV_NEED_RESET: 3394 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3395 QLC_DEV_SET_RST_RDY(val, portnum); 3396 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3397 break; 3398 3399 case QLCNIC_DEV_NEED_QUISCENT: 3400 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3401 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3402 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3403 break; 3404 3405 case QLCNIC_DEV_FAILED: 3406 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3407 qlcnic_api_unlock(adapter); 3408 return -1; 3409 3410 case QLCNIC_DEV_INITIALIZING: 3411 case QLCNIC_DEV_QUISCENT: 3412 break; 3413 } 3414 3415 qlcnic_api_unlock(adapter); 3416 3417 do { 3418 msleep(1000); 3419 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3420 3421 if (prev_state == QLCNIC_DEV_QUISCENT) 3422 continue; 3423 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3424 3425 if (!dev_init_timeo) { 3426 dev_err(&adapter->pdev->dev, 3427 "Waiting for device to initialize timeout\n"); 3428 return -1; 3429 } 3430 3431 if (qlcnic_api_lock(adapter)) 3432 return -1; 3433 3434 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3435 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3436 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3437 3438 ret = qlcnic_check_idc_ver(adapter); 3439 qlcnic_api_unlock(adapter); 3440 3441 return ret; 3442 } 3443 3444 static void 3445 qlcnic_fwinit_work(struct work_struct *work) 3446 { 3447 struct qlcnic_adapter *adapter = container_of(work, 3448 struct qlcnic_adapter, fw_work.work); 3449 u32 dev_state = 0xf; 3450 u32 val; 3451 3452 if (qlcnic_api_lock(adapter)) 3453 goto err_ret; 3454 3455 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3456 if (dev_state == QLCNIC_DEV_QUISCENT || 3457 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3458 qlcnic_api_unlock(adapter); 3459 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3460 FW_POLL_DELAY * 2); 3461 return; 3462 } 3463 3464 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3465 qlcnic_api_unlock(adapter); 3466 goto wait_npar; 3467 } 3468 3469 if (dev_state == QLCNIC_DEV_INITIALIZING || 3470 dev_state == QLCNIC_DEV_READY) { 3471 dev_info(&adapter->pdev->dev, "Detected state change from " 3472 "DEV_NEED_RESET, skipping ack check\n"); 3473 goto skip_ack_check; 3474 } 3475 3476 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3477 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3478 adapter->reset_ack_timeo); 3479 goto skip_ack_check; 3480 } 3481 3482 if (!qlcnic_check_drv_state(adapter)) { 3483 skip_ack_check: 3484 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3485 3486 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3487 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3488 QLCNIC_DEV_INITIALIZING); 3489 set_bit(__QLCNIC_START_FW, &adapter->state); 3490 QLCDB(adapter, DRV, "Restarting fw\n"); 3491 qlcnic_idc_debug_info(adapter, 0); 3492 val = QLC_SHARED_REG_RD32(adapter, 3493 QLCNIC_CRB_DRV_STATE); 3494 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3495 QLC_SHARED_REG_WR32(adapter, 3496 QLCNIC_CRB_DRV_STATE, val); 3497 } 3498 3499 qlcnic_api_unlock(adapter); 3500 3501 rtnl_lock(); 3502 if (qlcnic_check_fw_dump_state(adapter) && 3503 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3504 QLCDB(adapter, DRV, "Take FW dump\n"); 3505 qlcnic_dump_fw(adapter); 3506 adapter->flags |= QLCNIC_FW_HANG; 3507 } 3508 rtnl_unlock(); 3509 3510 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3511 if (!adapter->nic_ops->start_firmware(adapter)) { 3512 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3513 adapter->fw_wait_cnt = 0; 3514 return; 3515 } 3516 goto err_ret; 3517 } 3518 3519 qlcnic_api_unlock(adapter); 3520 3521 wait_npar: 3522 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3523 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3524 3525 switch (dev_state) { 3526 case QLCNIC_DEV_READY: 3527 if (!qlcnic_start_firmware(adapter)) { 3528 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3529 adapter->fw_wait_cnt = 0; 3530 return; 3531 } 3532 case QLCNIC_DEV_FAILED: 3533 break; 3534 default: 3535 qlcnic_schedule_work(adapter, 3536 qlcnic_fwinit_work, FW_POLL_DELAY); 3537 return; 3538 } 3539 3540 err_ret: 3541 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3542 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3543 netif_device_attach(adapter->netdev); 3544 qlcnic_clr_all_drv_state(adapter, 0); 3545 } 3546 3547 static void 3548 qlcnic_detach_work(struct work_struct *work) 3549 { 3550 struct qlcnic_adapter *adapter = container_of(work, 3551 struct qlcnic_adapter, fw_work.work); 3552 struct net_device *netdev = adapter->netdev; 3553 u32 status; 3554 3555 netif_device_detach(netdev); 3556 3557 /* Dont grab rtnl lock during Quiscent mode */ 3558 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3559 if (netif_running(netdev)) 3560 __qlcnic_down(adapter, netdev); 3561 } else 3562 qlcnic_down(adapter, netdev); 3563 3564 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3565 3566 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3567 dev_err(&adapter->pdev->dev, 3568 "Detaching the device: peg halt status1=0x%x\n", 3569 status); 3570 3571 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3572 dev_err(&adapter->pdev->dev, 3573 "On board active cooling fan failed. " 3574 "Device has been halted.\n"); 3575 dev_err(&adapter->pdev->dev, 3576 "Replace the adapter.\n"); 3577 } 3578 3579 goto err_ret; 3580 } 3581 3582 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3583 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3584 adapter->ahw->temp); 3585 goto err_ret; 3586 } 3587 3588 /* Dont ack if this instance is the reset owner */ 3589 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3590 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3591 dev_err(&adapter->pdev->dev, 3592 "Failed to set driver state," 3593 "detaching the device.\n"); 3594 goto err_ret; 3595 } 3596 } 3597 3598 adapter->fw_wait_cnt = 0; 3599 3600 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3601 3602 return; 3603 3604 err_ret: 3605 netif_device_attach(netdev); 3606 qlcnic_clr_all_drv_state(adapter, 1); 3607 } 3608 3609 /*Transit NPAR state to NON Operational */ 3610 static void 3611 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3612 { 3613 u32 state; 3614 3615 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3616 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3617 return; 3618 3619 if (qlcnic_api_lock(adapter)) 3620 return; 3621 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3622 QLCNIC_DEV_NPAR_NON_OPER); 3623 qlcnic_api_unlock(adapter); 3624 } 3625 3626 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3627 u32 key) 3628 { 3629 u32 state, xg_val = 0, gb_val = 0; 3630 3631 qlcnic_xg_set_xg0_mask(xg_val); 3632 qlcnic_xg_set_xg1_mask(xg_val); 3633 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3634 qlcnic_gb_set_gb0_mask(gb_val); 3635 qlcnic_gb_set_gb1_mask(gb_val); 3636 qlcnic_gb_set_gb2_mask(gb_val); 3637 qlcnic_gb_set_gb3_mask(gb_val); 3638 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3639 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3640 " on all ports\n"); 3641 adapter->need_fw_reset = 1; 3642 3643 if (qlcnic_api_lock(adapter)) 3644 return; 3645 3646 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3647 3648 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3649 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3650 __func__); 3651 qlcnic_api_unlock(adapter); 3652 3653 return; 3654 } 3655 3656 if (state == QLCNIC_DEV_READY) { 3657 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3658 QLCNIC_DEV_NEED_RESET); 3659 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3660 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3661 qlcnic_idc_debug_info(adapter, 0); 3662 } 3663 3664 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3665 QLCNIC_DEV_NPAR_NON_OPER); 3666 qlcnic_api_unlock(adapter); 3667 } 3668 3669 /* Transit to NPAR READY state from NPAR NOT READY state */ 3670 static void 3671 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3672 { 3673 if (qlcnic_api_lock(adapter)) 3674 return; 3675 3676 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3677 QLCNIC_DEV_NPAR_OPER); 3678 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3679 3680 qlcnic_api_unlock(adapter); 3681 } 3682 3683 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3684 work_func_t func, int delay) 3685 { 3686 if (test_bit(__QLCNIC_AER, &adapter->state)) 3687 return; 3688 3689 INIT_DELAYED_WORK(&adapter->fw_work, func); 3690 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3691 round_jiffies_relative(delay)); 3692 } 3693 3694 static void 3695 qlcnic_attach_work(struct work_struct *work) 3696 { 3697 struct qlcnic_adapter *adapter = container_of(work, 3698 struct qlcnic_adapter, fw_work.work); 3699 struct net_device *netdev = adapter->netdev; 3700 u32 npar_state; 3701 3702 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3703 npar_state = QLC_SHARED_REG_RD32(adapter, 3704 QLCNIC_CRB_DEV_NPAR_STATE); 3705 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3706 qlcnic_clr_all_drv_state(adapter, 0); 3707 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3708 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3709 FW_POLL_DELAY); 3710 else 3711 goto attach; 3712 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3713 return; 3714 } 3715 attach: 3716 qlcnic_dcb_get_info(adapter->dcb); 3717 3718 if (netif_running(netdev)) { 3719 if (qlcnic_up(adapter, netdev)) 3720 goto done; 3721 3722 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3723 } 3724 3725 done: 3726 netif_device_attach(netdev); 3727 adapter->fw_fail_cnt = 0; 3728 adapter->flags &= ~QLCNIC_FW_HANG; 3729 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3730 if (adapter->portnum == 0) 3731 qlcnic_set_drv_version(adapter); 3732 3733 if (!qlcnic_clr_drv_state(adapter)) 3734 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3735 FW_POLL_DELAY); 3736 } 3737 3738 static int 3739 qlcnic_check_health(struct qlcnic_adapter *adapter) 3740 { 3741 struct qlcnic_hardware_context *ahw = adapter->ahw; 3742 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3743 u32 state = 0, heartbeat; 3744 u32 peg_status; 3745 int err = 0; 3746 3747 if (qlcnic_check_temp(adapter)) 3748 goto detach; 3749 3750 if (adapter->need_fw_reset) 3751 qlcnic_dev_request_reset(adapter, 0); 3752 3753 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3754 if (state == QLCNIC_DEV_NEED_RESET) { 3755 qlcnic_set_npar_non_operational(adapter); 3756 adapter->need_fw_reset = 1; 3757 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3758 goto detach; 3759 3760 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3761 if (heartbeat != adapter->heartbeat) { 3762 adapter->heartbeat = heartbeat; 3763 adapter->fw_fail_cnt = 0; 3764 if (adapter->need_fw_reset) 3765 goto detach; 3766 3767 if (ahw->reset_context && qlcnic_auto_fw_reset) 3768 qlcnic_reset_hw_context(adapter); 3769 3770 return 0; 3771 } 3772 3773 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3774 return 0; 3775 3776 adapter->flags |= QLCNIC_FW_HANG; 3777 3778 qlcnic_dev_request_reset(adapter, 0); 3779 3780 if (qlcnic_auto_fw_reset) 3781 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3782 3783 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3784 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3785 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3786 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3787 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3788 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3789 "PEG_NET_4_PC: 0x%x\n", 3790 peg_status, 3791 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3792 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3793 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3794 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3795 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3796 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3797 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3798 dev_err(&adapter->pdev->dev, 3799 "Firmware aborted with error code 0x00006700. " 3800 "Device is being reset.\n"); 3801 detach: 3802 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3803 QLCNIC_DEV_NEED_RESET; 3804 3805 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3806 &adapter->state)) { 3807 3808 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3809 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3810 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3811 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3812 qlcnic_dump_fw(adapter); 3813 } 3814 3815 return 1; 3816 } 3817 3818 void qlcnic_fw_poll_work(struct work_struct *work) 3819 { 3820 struct qlcnic_adapter *adapter = container_of(work, 3821 struct qlcnic_adapter, fw_work.work); 3822 3823 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3824 goto reschedule; 3825 3826 3827 if (qlcnic_check_health(adapter)) 3828 return; 3829 3830 if (adapter->fhash.fnum) 3831 qlcnic_prune_lb_filters(adapter); 3832 3833 reschedule: 3834 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3835 } 3836 3837 static int qlcnic_is_first_func(struct pci_dev *pdev) 3838 { 3839 struct pci_dev *oth_pdev; 3840 int val = pdev->devfn; 3841 3842 while (val-- > 0) { 3843 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3844 (pdev->bus), pdev->bus->number, 3845 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3846 if (!oth_pdev) 3847 continue; 3848 3849 if (oth_pdev->current_state != PCI_D3cold) { 3850 pci_dev_put(oth_pdev); 3851 return 0; 3852 } 3853 pci_dev_put(oth_pdev); 3854 } 3855 return 1; 3856 } 3857 3858 static int qlcnic_attach_func(struct pci_dev *pdev) 3859 { 3860 int err, first_func; 3861 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3862 struct net_device *netdev = adapter->netdev; 3863 3864 pdev->error_state = pci_channel_io_normal; 3865 3866 err = pci_enable_device(pdev); 3867 if (err) 3868 return err; 3869 3870 pci_set_master(pdev); 3871 pci_restore_state(pdev); 3872 3873 first_func = qlcnic_is_first_func(pdev); 3874 3875 if (qlcnic_api_lock(adapter)) 3876 return -EINVAL; 3877 3878 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3879 adapter->need_fw_reset = 1; 3880 set_bit(__QLCNIC_START_FW, &adapter->state); 3881 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3882 QLCNIC_DEV_INITIALIZING); 3883 QLCDB(adapter, DRV, "Restarting fw\n"); 3884 } 3885 qlcnic_api_unlock(adapter); 3886 3887 err = qlcnic_start_firmware(adapter); 3888 if (err) 3889 return err; 3890 3891 qlcnic_clr_drv_state(adapter); 3892 kfree(adapter->msix_entries); 3893 adapter->msix_entries = NULL; 3894 err = qlcnic_setup_intr(adapter); 3895 3896 if (err) { 3897 kfree(adapter->msix_entries); 3898 netdev_err(netdev, "failed to setup interrupt\n"); 3899 return err; 3900 } 3901 3902 if (netif_running(netdev)) { 3903 err = qlcnic_attach(adapter); 3904 if (err) { 3905 qlcnic_clr_all_drv_state(adapter, 1); 3906 clear_bit(__QLCNIC_AER, &adapter->state); 3907 netif_device_attach(netdev); 3908 return err; 3909 } 3910 3911 err = qlcnic_up(adapter, netdev); 3912 if (err) 3913 goto done; 3914 3915 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3916 } 3917 done: 3918 netif_device_attach(netdev); 3919 return err; 3920 } 3921 3922 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3923 pci_channel_state_t state) 3924 { 3925 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3926 struct net_device *netdev = adapter->netdev; 3927 3928 if (state == pci_channel_io_perm_failure) 3929 return PCI_ERS_RESULT_DISCONNECT; 3930 3931 if (state == pci_channel_io_normal) 3932 return PCI_ERS_RESULT_RECOVERED; 3933 3934 set_bit(__QLCNIC_AER, &adapter->state); 3935 netif_device_detach(netdev); 3936 3937 cancel_delayed_work_sync(&adapter->fw_work); 3938 3939 if (netif_running(netdev)) 3940 qlcnic_down(adapter, netdev); 3941 3942 qlcnic_detach(adapter); 3943 qlcnic_teardown_intr(adapter); 3944 3945 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3946 3947 pci_save_state(pdev); 3948 pci_disable_device(pdev); 3949 3950 return PCI_ERS_RESULT_NEED_RESET; 3951 } 3952 3953 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3954 { 3955 pci_ers_result_t res; 3956 3957 rtnl_lock(); 3958 res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3959 PCI_ERS_RESULT_RECOVERED; 3960 rtnl_unlock(); 3961 3962 return res; 3963 } 3964 3965 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3966 { 3967 u32 state; 3968 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3969 3970 pci_cleanup_aer_uncorrect_error_status(pdev); 3971 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3972 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3973 &adapter->state)) 3974 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3975 FW_POLL_DELAY); 3976 } 3977 3978 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3979 pci_channel_state_t state) 3980 { 3981 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3982 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3983 3984 if (hw_ops->io_error_detected) { 3985 return hw_ops->io_error_detected(pdev, state); 3986 } else { 3987 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3988 return PCI_ERS_RESULT_DISCONNECT; 3989 } 3990 } 3991 3992 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3993 { 3994 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3995 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3996 3997 if (hw_ops->io_slot_reset) { 3998 return hw_ops->io_slot_reset(pdev); 3999 } else { 4000 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 4001 return PCI_ERS_RESULT_DISCONNECT; 4002 } 4003 } 4004 4005 static void qlcnic_io_resume(struct pci_dev *pdev) 4006 { 4007 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 4008 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 4009 4010 if (hw_ops->io_resume) 4011 hw_ops->io_resume(pdev); 4012 else 4013 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 4014 } 4015 4016 4017 static int 4018 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 4019 { 4020 int err; 4021 4022 err = qlcnic_can_start_firmware(adapter); 4023 if (err) 4024 return err; 4025 4026 err = qlcnic_check_npar_opertional(adapter); 4027 if (err) 4028 return err; 4029 4030 err = qlcnic_initialize_nic(adapter); 4031 if (err) 4032 return err; 4033 4034 qlcnic_check_options(adapter); 4035 4036 err = qlcnic_set_eswitch_port_config(adapter); 4037 if (err) 4038 return err; 4039 4040 adapter->need_fw_reset = 0; 4041 4042 return err; 4043 } 4044 4045 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 4046 int queue_type) 4047 { 4048 struct net_device *netdev = adapter->netdev; 4049 u8 max_hw_rings = 0; 4050 char buf[8]; 4051 int cur_rings; 4052 4053 if (queue_type == QLCNIC_RX_QUEUE) { 4054 max_hw_rings = adapter->max_sds_rings; 4055 cur_rings = adapter->drv_sds_rings; 4056 strcpy(buf, "SDS"); 4057 } else if (queue_type == QLCNIC_TX_QUEUE) { 4058 max_hw_rings = adapter->max_tx_rings; 4059 cur_rings = adapter->drv_tx_rings; 4060 strcpy(buf, "Tx"); 4061 } 4062 4063 if (!is_power_of_2(ring_cnt)) { 4064 netdev_err(netdev, "%s rings value should be a power of 2\n", 4065 buf); 4066 return -EINVAL; 4067 } 4068 4069 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 4070 !qlcnic_check_multi_tx(adapter)) { 4071 netdev_err(netdev, "No Multi Tx queue support\n"); 4072 return -EINVAL; 4073 } 4074 4075 if (ring_cnt > num_online_cpus()) { 4076 netdev_err(netdev, 4077 "%s value[%u] should not be higher than, number of online CPUs\n", 4078 buf, num_online_cpus()); 4079 return -EINVAL; 4080 } 4081 4082 return 0; 4083 } 4084 4085 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 4086 { 4087 struct net_device *netdev = adapter->netdev; 4088 u8 tx_rings, rx_rings; 4089 int err; 4090 4091 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 4092 return -EBUSY; 4093 4094 tx_rings = adapter->drv_tss_rings; 4095 rx_rings = adapter->drv_rss_rings; 4096 4097 netif_device_detach(netdev); 4098 4099 err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); 4100 if (err) 4101 goto done; 4102 4103 if (netif_running(netdev)) 4104 __qlcnic_down(adapter, netdev); 4105 4106 qlcnic_detach(adapter); 4107 4108 if (qlcnic_83xx_check(adapter)) { 4109 qlcnic_83xx_free_mbx_intr(adapter); 4110 qlcnic_83xx_enable_mbx_poll(adapter); 4111 } 4112 4113 qlcnic_teardown_intr(adapter); 4114 4115 err = qlcnic_setup_intr(adapter); 4116 if (err) { 4117 kfree(adapter->msix_entries); 4118 netdev_err(netdev, "failed to setup interrupt\n"); 4119 return err; 4120 } 4121 4122 /* Check if we need to update real_num_{tx|rx}_queues because 4123 * qlcnic_setup_intr() may change Tx/Rx rings size 4124 */ 4125 if ((tx_rings != adapter->drv_tx_rings) || 4126 (rx_rings != adapter->drv_sds_rings)) { 4127 err = qlcnic_set_real_num_queues(adapter, 4128 adapter->drv_tx_rings, 4129 adapter->drv_sds_rings); 4130 if (err) 4131 goto done; 4132 } 4133 4134 if (qlcnic_83xx_check(adapter)) { 4135 qlcnic_83xx_initialize_nic(adapter, 1); 4136 err = qlcnic_83xx_setup_mbx_intr(adapter); 4137 qlcnic_83xx_disable_mbx_poll(adapter); 4138 if (err) { 4139 dev_err(&adapter->pdev->dev, 4140 "failed to setup mbx interrupt\n"); 4141 goto done; 4142 } 4143 } 4144 4145 if (netif_running(netdev)) { 4146 err = qlcnic_attach(adapter); 4147 if (err) 4148 goto done; 4149 err = __qlcnic_up(adapter, netdev); 4150 if (err) 4151 goto done; 4152 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 4153 } 4154 done: 4155 netif_device_attach(netdev); 4156 clear_bit(__QLCNIC_RESETTING, &adapter->state); 4157 return err; 4158 } 4159 4160 #ifdef CONFIG_INET 4161 4162 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 4163 4164 static void 4165 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 4166 struct net_device *dev, unsigned long event) 4167 { 4168 struct in_device *indev; 4169 4170 indev = in_dev_get(dev); 4171 if (!indev) 4172 return; 4173 4174 for_ifa(indev) { 4175 switch (event) { 4176 case NETDEV_UP: 4177 qlcnic_config_ipaddr(adapter, 4178 ifa->ifa_address, QLCNIC_IP_UP); 4179 break; 4180 case NETDEV_DOWN: 4181 qlcnic_config_ipaddr(adapter, 4182 ifa->ifa_address, QLCNIC_IP_DOWN); 4183 break; 4184 default: 4185 break; 4186 } 4187 } endfor_ifa(indev); 4188 4189 in_dev_put(indev); 4190 } 4191 4192 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 4193 { 4194 struct qlcnic_adapter *adapter = netdev_priv(netdev); 4195 struct net_device *dev; 4196 u16 vid; 4197 4198 qlcnic_config_indev_addr(adapter, netdev, event); 4199 4200 rcu_read_lock(); 4201 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 4202 dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); 4203 if (!dev) 4204 continue; 4205 qlcnic_config_indev_addr(adapter, dev, event); 4206 } 4207 rcu_read_unlock(); 4208 } 4209 4210 static int qlcnic_netdev_event(struct notifier_block *this, 4211 unsigned long event, void *ptr) 4212 { 4213 struct qlcnic_adapter *adapter; 4214 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4215 4216 recheck: 4217 if (dev == NULL) 4218 goto done; 4219 4220 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4221 dev = vlan_dev_real_dev(dev); 4222 goto recheck; 4223 } 4224 4225 if (!is_qlcnic_netdev(dev)) 4226 goto done; 4227 4228 adapter = netdev_priv(dev); 4229 4230 if (!adapter) 4231 goto done; 4232 4233 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4234 goto done; 4235 4236 qlcnic_config_indev_addr(adapter, dev, event); 4237 done: 4238 return NOTIFY_DONE; 4239 } 4240 4241 static int 4242 qlcnic_inetaddr_event(struct notifier_block *this, 4243 unsigned long event, void *ptr) 4244 { 4245 struct qlcnic_adapter *adapter; 4246 struct net_device *dev; 4247 4248 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4249 4250 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4251 4252 recheck: 4253 if (dev == NULL) 4254 goto done; 4255 4256 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4257 dev = vlan_dev_real_dev(dev); 4258 goto recheck; 4259 } 4260 4261 if (!is_qlcnic_netdev(dev)) 4262 goto done; 4263 4264 adapter = netdev_priv(dev); 4265 4266 if (!adapter) 4267 goto done; 4268 4269 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4270 goto done; 4271 4272 switch (event) { 4273 case NETDEV_UP: 4274 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4275 4276 break; 4277 case NETDEV_DOWN: 4278 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4279 4280 break; 4281 default: 4282 break; 4283 } 4284 4285 done: 4286 return NOTIFY_DONE; 4287 } 4288 4289 static struct notifier_block qlcnic_netdev_cb = { 4290 .notifier_call = qlcnic_netdev_event, 4291 }; 4292 4293 static struct notifier_block qlcnic_inetaddr_cb = { 4294 .notifier_call = qlcnic_inetaddr_event, 4295 }; 4296 #else 4297 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4298 { } 4299 #endif 4300 static const struct pci_error_handlers qlcnic_err_handler = { 4301 .error_detected = qlcnic_io_error_detected, 4302 .slot_reset = qlcnic_io_slot_reset, 4303 .resume = qlcnic_io_resume, 4304 }; 4305 4306 static struct pci_driver qlcnic_driver = { 4307 .name = qlcnic_driver_name, 4308 .id_table = qlcnic_pci_tbl, 4309 .probe = qlcnic_probe, 4310 .remove = qlcnic_remove, 4311 #ifdef CONFIG_PM 4312 .suspend = qlcnic_suspend, 4313 .resume = qlcnic_resume, 4314 #endif 4315 .shutdown = qlcnic_shutdown, 4316 .err_handler = &qlcnic_err_handler, 4317 #ifdef CONFIG_QLCNIC_SRIOV 4318 .sriov_configure = qlcnic_pci_sriov_configure, 4319 #endif 4320 4321 }; 4322 4323 static int __init qlcnic_init_module(void) 4324 { 4325 int ret; 4326 4327 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4328 4329 #ifdef CONFIG_INET 4330 register_netdevice_notifier(&qlcnic_netdev_cb); 4331 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4332 #endif 4333 4334 ret = pci_register_driver(&qlcnic_driver); 4335 if (ret) { 4336 #ifdef CONFIG_INET 4337 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4338 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4339 #endif 4340 } 4341 4342 return ret; 4343 } 4344 4345 module_init(qlcnic_init_module); 4346 4347 static void __exit qlcnic_exit_module(void) 4348 { 4349 pci_unregister_driver(&qlcnic_driver); 4350 4351 #ifdef CONFIG_INET 4352 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4353 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4354 #endif 4355 } 4356 4357 module_exit(qlcnic_exit_module); 4358