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 11 #include "qlcnic.h" 12 #include "qlcnic_sriov.h" 13 #include "qlcnic_hw.h" 14 15 #include <linux/swab.h> 16 #include <linux/dma-mapping.h> 17 #include <linux/if_vlan.h> 18 #include <net/ip.h> 19 #include <linux/ipv6.h> 20 #include <linux/inetdevice.h> 21 #include <linux/aer.h> 22 #include <linux/log2.h> 23 #include <linux/pci.h> 24 25 MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 26 MODULE_LICENSE("GPL"); 27 MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 28 MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 29 30 char qlcnic_driver_name[] = "qlcnic"; 31 static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 32 "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 33 34 static int qlcnic_mac_learn; 35 module_param(qlcnic_mac_learn, int, 0444); 36 MODULE_PARM_DESC(qlcnic_mac_learn, 37 "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 38 39 int qlcnic_use_msi = 1; 40 MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 41 module_param_named(use_msi, qlcnic_use_msi, int, 0444); 42 43 int qlcnic_use_msi_x = 1; 44 MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 45 module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 46 47 int qlcnic_auto_fw_reset = 1; 48 MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 49 module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 50 51 int qlcnic_load_fw_file; 52 MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)"); 53 module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 54 55 static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 56 static void qlcnic_remove(struct pci_dev *pdev); 57 static int qlcnic_open(struct net_device *netdev); 58 static int qlcnic_close(struct net_device *netdev); 59 static void qlcnic_tx_timeout(struct net_device *netdev); 60 static void qlcnic_attach_work(struct work_struct *work); 61 static void qlcnic_fwinit_work(struct work_struct *work); 62 #ifdef CONFIG_NET_POLL_CONTROLLER 63 static void qlcnic_poll_controller(struct net_device *netdev); 64 #endif 65 66 static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 67 static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 68 69 static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 70 static irqreturn_t qlcnic_intr(int irq, void *data); 71 static irqreturn_t qlcnic_msi_intr(int irq, void *data); 72 static irqreturn_t qlcnic_msix_intr(int irq, void *data); 73 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 74 75 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 76 static int qlcnic_start_firmware(struct qlcnic_adapter *); 77 78 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 79 static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 80 static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 81 static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 82 static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 83 84 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 85 { 86 struct qlcnic_hardware_context *ahw = adapter->ahw; 87 88 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 89 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 90 else 91 return 1; 92 } 93 94 /* PCI Device ID Table */ 95 #define ENTRY(device) \ 96 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 97 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 98 99 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { 100 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 101 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 102 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 103 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 104 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 105 {0,} 106 }; 107 108 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 109 110 111 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 112 { 113 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 114 } 115 116 static const u32 msi_tgt_status[8] = { 117 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 118 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 119 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 120 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 121 }; 122 123 static const u32 qlcnic_reg_tbl[] = { 124 0x1B20A8, /* PEG_HALT_STAT1 */ 125 0x1B20AC, /* PEG_HALT_STAT2 */ 126 0x1B20B0, /* FW_HEARTBEAT */ 127 0x1B2100, /* LOCK ID */ 128 0x1B2128, /* FW_CAPABILITIES */ 129 0x1B2138, /* drv active */ 130 0x1B2140, /* dev state */ 131 0x1B2144, /* drv state */ 132 0x1B2148, /* drv scratch */ 133 0x1B214C, /* dev partition info */ 134 0x1B2174, /* drv idc ver */ 135 0x1B2150, /* fw version major */ 136 0x1B2154, /* fw version minor */ 137 0x1B2158, /* fw version sub */ 138 0x1B219C, /* npar state */ 139 0x1B21FC, /* FW_IMG_VALID */ 140 0x1B2250, /* CMD_PEG_STATE */ 141 0x1B233C, /* RCV_PEG_STATE */ 142 0x1B23B4, /* ASIC TEMP */ 143 0x1B216C, /* FW api */ 144 0x1B2170, /* drv op mode */ 145 0x13C010, /* flash lock */ 146 0x13C014, /* flash unlock */ 147 }; 148 149 static const struct qlcnic_board_info qlcnic_boards[] = { 150 { PCI_VENDOR_ID_QLOGIC, 151 PCI_DEVICE_ID_QLOGIC_QLE844X, 152 0x0, 153 0x0, 154 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 155 { PCI_VENDOR_ID_QLOGIC, 156 PCI_DEVICE_ID_QLOGIC_QLE834X, 157 PCI_VENDOR_ID_QLOGIC, 158 0x24e, 159 "8300 Series Dual Port 10GbE Converged Network Adapter " 160 "(TCP/IP Networking)" }, 161 { PCI_VENDOR_ID_QLOGIC, 162 PCI_DEVICE_ID_QLOGIC_QLE834X, 163 PCI_VENDOR_ID_QLOGIC, 164 0x243, 165 "8300 Series Single Port 10GbE Converged Network Adapter " 166 "(TCP/IP Networking)" }, 167 { PCI_VENDOR_ID_QLOGIC, 168 PCI_DEVICE_ID_QLOGIC_QLE834X, 169 PCI_VENDOR_ID_QLOGIC, 170 0x24a, 171 "8300 Series Dual Port 10GbE Converged Network Adapter " 172 "(TCP/IP Networking)" }, 173 { PCI_VENDOR_ID_QLOGIC, 174 PCI_DEVICE_ID_QLOGIC_QLE834X, 175 PCI_VENDOR_ID_QLOGIC, 176 0x246, 177 "8300 Series Dual Port 10GbE Converged Network Adapter " 178 "(TCP/IP Networking)" }, 179 { PCI_VENDOR_ID_QLOGIC, 180 PCI_DEVICE_ID_QLOGIC_QLE834X, 181 PCI_VENDOR_ID_QLOGIC, 182 0x252, 183 "8300 Series Dual Port 10GbE Converged Network Adapter " 184 "(TCP/IP Networking)" }, 185 { PCI_VENDOR_ID_QLOGIC, 186 PCI_DEVICE_ID_QLOGIC_QLE834X, 187 PCI_VENDOR_ID_QLOGIC, 188 0x26e, 189 "8300 Series Dual Port 10GbE Converged Network Adapter " 190 "(TCP/IP Networking)" }, 191 { PCI_VENDOR_ID_QLOGIC, 192 PCI_DEVICE_ID_QLOGIC_QLE834X, 193 PCI_VENDOR_ID_QLOGIC, 194 0x260, 195 "8300 Series Dual Port 10GbE Converged Network Adapter " 196 "(TCP/IP Networking)" }, 197 { PCI_VENDOR_ID_QLOGIC, 198 PCI_DEVICE_ID_QLOGIC_QLE834X, 199 PCI_VENDOR_ID_QLOGIC, 200 0x266, 201 "8300 Series Single Port 10GbE Converged Network Adapter " 202 "(TCP/IP Networking)" }, 203 { PCI_VENDOR_ID_QLOGIC, 204 PCI_DEVICE_ID_QLOGIC_QLE834X, 205 PCI_VENDOR_ID_QLOGIC, 206 0x269, 207 "8300 Series Dual Port 10GbE Converged Network Adapter " 208 "(TCP/IP Networking)" }, 209 { PCI_VENDOR_ID_QLOGIC, 210 PCI_DEVICE_ID_QLOGIC_QLE834X, 211 PCI_VENDOR_ID_QLOGIC, 212 0x271, 213 "8300 Series Dual Port 10GbE Converged Network Adapter " 214 "(TCP/IP Networking)" }, 215 { PCI_VENDOR_ID_QLOGIC, 216 PCI_DEVICE_ID_QLOGIC_QLE834X, 217 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 218 { PCI_VENDOR_ID_QLOGIC, 219 PCI_DEVICE_ID_QLOGIC_QLE824X, 220 PCI_VENDOR_ID_QLOGIC, 221 0x203, 222 "8200 Series Single Port 10GbE Converged Network Adapter" 223 "(TCP/IP Networking)" }, 224 { PCI_VENDOR_ID_QLOGIC, 225 PCI_DEVICE_ID_QLOGIC_QLE824X, 226 PCI_VENDOR_ID_QLOGIC, 227 0x207, 228 "8200 Series Dual Port 10GbE Converged Network Adapter" 229 "(TCP/IP Networking)" }, 230 { PCI_VENDOR_ID_QLOGIC, 231 PCI_DEVICE_ID_QLOGIC_QLE824X, 232 PCI_VENDOR_ID_QLOGIC, 233 0x20b, 234 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 235 { PCI_VENDOR_ID_QLOGIC, 236 PCI_DEVICE_ID_QLOGIC_QLE824X, 237 PCI_VENDOR_ID_QLOGIC, 238 0x20c, 239 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 240 { PCI_VENDOR_ID_QLOGIC, 241 PCI_DEVICE_ID_QLOGIC_QLE824X, 242 PCI_VENDOR_ID_QLOGIC, 243 0x20f, 244 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 245 { PCI_VENDOR_ID_QLOGIC, 246 PCI_DEVICE_ID_QLOGIC_QLE824X, 247 0x103c, 0x3733, 248 "NC523SFP 10Gb 2-port Server Adapter" }, 249 { PCI_VENDOR_ID_QLOGIC, 250 PCI_DEVICE_ID_QLOGIC_QLE824X, 251 0x103c, 0x3346, 252 "CN1000Q Dual Port Converged Network Adapter" }, 253 { PCI_VENDOR_ID_QLOGIC, 254 PCI_DEVICE_ID_QLOGIC_QLE824X, 255 PCI_VENDOR_ID_QLOGIC, 256 0x210, 257 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 258 { PCI_VENDOR_ID_QLOGIC, 259 PCI_DEVICE_ID_QLOGIC_QLE824X, 260 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 261 }; 262 263 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 264 265 static const 266 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 267 268 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 269 { 270 int size = sizeof(struct qlcnic_host_sds_ring) * count; 271 272 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 273 274 return recv_ctx->sds_rings == NULL; 275 } 276 277 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 278 { 279 if (recv_ctx->sds_rings != NULL) 280 kfree(recv_ctx->sds_rings); 281 282 recv_ctx->sds_rings = NULL; 283 } 284 285 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 286 { 287 struct net_device *netdev = adapter->netdev; 288 struct pci_dev *pdev = adapter->pdev; 289 u8 mac_addr[ETH_ALEN]; 290 int ret; 291 292 ret = qlcnic_get_mac_address(adapter, mac_addr, 293 adapter->ahw->pci_func); 294 if (ret) 295 return ret; 296 297 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 298 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 299 300 /* set station address */ 301 302 if (!is_valid_ether_addr(netdev->dev_addr)) 303 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 304 netdev->dev_addr); 305 306 return 0; 307 } 308 309 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 310 { 311 struct qlcnic_mac_list_s *cur; 312 struct list_head *head; 313 314 list_for_each(head, &adapter->mac_list) { 315 cur = list_entry(head, struct qlcnic_mac_list_s, list); 316 if (!memcmp(adapter->mac_addr, cur->mac_addr, ETH_ALEN)) { 317 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 318 0, QLCNIC_MAC_DEL); 319 list_del(&cur->list); 320 kfree(cur); 321 return; 322 } 323 } 324 } 325 326 static int qlcnic_set_mac(struct net_device *netdev, void *p) 327 { 328 struct qlcnic_adapter *adapter = netdev_priv(netdev); 329 struct sockaddr *addr = p; 330 331 if (qlcnic_sriov_vf_check(adapter)) 332 return -EINVAL; 333 334 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 335 return -EOPNOTSUPP; 336 337 if (!is_valid_ether_addr(addr->sa_data)) 338 return -EINVAL; 339 340 if (!memcmp(adapter->mac_addr, addr->sa_data, ETH_ALEN)) 341 return 0; 342 343 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 344 netif_device_detach(netdev); 345 qlcnic_napi_disable(adapter); 346 } 347 348 qlcnic_delete_adapter_mac(adapter); 349 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 350 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 351 qlcnic_set_multi(adapter->netdev); 352 353 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 354 netif_device_attach(netdev); 355 qlcnic_napi_enable(adapter); 356 } 357 return 0; 358 } 359 360 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 361 struct net_device *netdev, const unsigned char *addr) 362 { 363 struct qlcnic_adapter *adapter = netdev_priv(netdev); 364 int err = -EOPNOTSUPP; 365 366 if (!adapter->fdb_mac_learn) 367 return ndo_dflt_fdb_del(ndm, tb, netdev, addr); 368 369 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 370 if (is_unicast_ether_addr(addr)) { 371 err = dev_uc_del(netdev, addr); 372 if (!err) 373 err = qlcnic_nic_del_mac(adapter, addr); 374 } else if (is_multicast_ether_addr(addr)) { 375 err = dev_mc_del(netdev, addr); 376 } else { 377 err = -EINVAL; 378 } 379 } 380 return err; 381 } 382 383 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 384 struct net_device *netdev, 385 const unsigned char *addr, u16 flags) 386 { 387 struct qlcnic_adapter *adapter = netdev_priv(netdev); 388 int err = 0; 389 390 if (!adapter->fdb_mac_learn) 391 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags); 392 393 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 394 pr_info("%s: FDB e-switch is not enabled\n", __func__); 395 return -EOPNOTSUPP; 396 } 397 398 if (ether_addr_equal(addr, adapter->mac_addr)) 399 return err; 400 401 if (is_unicast_ether_addr(addr)) { 402 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 403 err = dev_uc_add_excl(netdev, addr); 404 else 405 err = -ENOMEM; 406 } else if (is_multicast_ether_addr(addr)) { 407 err = dev_mc_add_excl(netdev, addr); 408 } else { 409 err = -EINVAL; 410 } 411 412 return err; 413 } 414 415 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 416 struct net_device *netdev, int idx) 417 { 418 struct qlcnic_adapter *adapter = netdev_priv(netdev); 419 420 if (!adapter->fdb_mac_learn) 421 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 422 423 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) 424 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 425 426 return idx; 427 } 428 429 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 430 { 431 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 432 usleep_range(10000, 11000); 433 434 if (!adapter->fw_work.work.func) 435 return; 436 437 cancel_delayed_work_sync(&adapter->fw_work); 438 } 439 440 static int qlcnic_get_phys_port_id(struct net_device *netdev, 441 struct netdev_phys_port_id *ppid) 442 { 443 struct qlcnic_adapter *adapter = netdev_priv(netdev); 444 struct qlcnic_hardware_context *ahw = adapter->ahw; 445 446 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 447 return -EOPNOTSUPP; 448 449 ppid->id_len = sizeof(ahw->phys_port_id); 450 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 451 452 return 0; 453 } 454 455 static const struct net_device_ops qlcnic_netdev_ops = { 456 .ndo_open = qlcnic_open, 457 .ndo_stop = qlcnic_close, 458 .ndo_start_xmit = qlcnic_xmit_frame, 459 .ndo_get_stats = qlcnic_get_stats, 460 .ndo_validate_addr = eth_validate_addr, 461 .ndo_set_rx_mode = qlcnic_set_multi, 462 .ndo_set_mac_address = qlcnic_set_mac, 463 .ndo_change_mtu = qlcnic_change_mtu, 464 .ndo_fix_features = qlcnic_fix_features, 465 .ndo_set_features = qlcnic_set_features, 466 .ndo_tx_timeout = qlcnic_tx_timeout, 467 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 468 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 469 .ndo_fdb_add = qlcnic_fdb_add, 470 .ndo_fdb_del = qlcnic_fdb_del, 471 .ndo_fdb_dump = qlcnic_fdb_dump, 472 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 473 #ifdef CONFIG_NET_POLL_CONTROLLER 474 .ndo_poll_controller = qlcnic_poll_controller, 475 #endif 476 #ifdef CONFIG_QLCNIC_SRIOV 477 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 478 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate, 479 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 480 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 481 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 482 #endif 483 }; 484 485 static const struct net_device_ops qlcnic_netdev_failed_ops = { 486 .ndo_open = qlcnic_open, 487 }; 488 489 static struct qlcnic_nic_template qlcnic_ops = { 490 .config_bridged_mode = qlcnic_config_bridged_mode, 491 .config_led = qlcnic_82xx_config_led, 492 .start_firmware = qlcnic_82xx_start_firmware, 493 .request_reset = qlcnic_82xx_dev_request_reset, 494 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 495 .napi_add = qlcnic_82xx_napi_add, 496 .napi_del = qlcnic_82xx_napi_del, 497 .config_ipaddr = qlcnic_82xx_config_ipaddr, 498 .shutdown = qlcnic_82xx_shutdown, 499 .resume = qlcnic_82xx_resume, 500 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 501 }; 502 503 struct qlcnic_nic_template qlcnic_vf_ops = { 504 .config_bridged_mode = qlcnicvf_config_bridged_mode, 505 .config_led = qlcnicvf_config_led, 506 .start_firmware = qlcnicvf_start_firmware 507 }; 508 509 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 510 .read_crb = qlcnic_82xx_read_crb, 511 .write_crb = qlcnic_82xx_write_crb, 512 .read_reg = qlcnic_82xx_hw_read_wx_2M, 513 .write_reg = qlcnic_82xx_hw_write_wx_2M, 514 .get_mac_address = qlcnic_82xx_get_mac_address, 515 .setup_intr = qlcnic_82xx_setup_intr, 516 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 517 .mbx_cmd = qlcnic_82xx_issue_cmd, 518 .get_func_no = qlcnic_82xx_get_func_no, 519 .api_lock = qlcnic_82xx_api_lock, 520 .api_unlock = qlcnic_82xx_api_unlock, 521 .add_sysfs = qlcnic_82xx_add_sysfs, 522 .remove_sysfs = qlcnic_82xx_remove_sysfs, 523 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 524 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 525 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 526 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 527 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 528 .setup_link_event = qlcnic_82xx_linkevent_request, 529 .get_nic_info = qlcnic_82xx_get_nic_info, 530 .get_pci_info = qlcnic_82xx_get_pci_info, 531 .set_nic_info = qlcnic_82xx_set_nic_info, 532 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 533 .napi_enable = qlcnic_82xx_napi_enable, 534 .napi_disable = qlcnic_82xx_napi_disable, 535 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 536 .config_rss = qlcnic_82xx_config_rss, 537 .config_hw_lro = qlcnic_82xx_config_hw_lro, 538 .config_loopback = qlcnic_82xx_set_lb_mode, 539 .clear_loopback = qlcnic_82xx_clear_lb_mode, 540 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 541 .change_l2_filter = qlcnic_82xx_change_filter, 542 .get_board_info = qlcnic_82xx_get_board_info, 543 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 544 .free_mac_list = qlcnic_82xx_free_mac_list, 545 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 546 .io_error_detected = qlcnic_82xx_io_error_detected, 547 .io_slot_reset = qlcnic_82xx_io_slot_reset, 548 .io_resume = qlcnic_82xx_io_resume, 549 }; 550 551 static void qlcnic_get_multiq_capability(struct qlcnic_adapter *adapter) 552 { 553 struct qlcnic_hardware_context *ahw = adapter->ahw; 554 int num_tx_q; 555 556 if (ahw->msix_supported && 557 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 558 num_tx_q = min_t(int, QLCNIC_DEF_NUM_TX_RINGS, 559 num_online_cpus()); 560 if (num_tx_q > 1) { 561 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, 562 &adapter->state); 563 adapter->max_drv_tx_rings = num_tx_q; 564 } 565 } else { 566 adapter->max_drv_tx_rings = 1; 567 } 568 } 569 570 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 571 { 572 struct pci_dev *pdev = adapter->pdev; 573 int max_tx_rings, max_sds_rings, tx_vector; 574 int err = -1, i; 575 576 if (adapter->flags & QLCNIC_TX_INTR_SHARED) { 577 max_tx_rings = 0; 578 tx_vector = 0; 579 } else { 580 max_tx_rings = adapter->max_drv_tx_rings; 581 tx_vector = 1; 582 } 583 584 if (!adapter->msix_entries) { 585 adapter->msix_entries = kcalloc(num_msix, 586 sizeof(struct msix_entry), 587 GFP_KERNEL); 588 if (!adapter->msix_entries) 589 return -ENOMEM; 590 } 591 592 adapter->max_sds_rings = 1; 593 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 594 595 if (adapter->ahw->msix_supported) { 596 enable_msix: 597 for (i = 0; i < num_msix; i++) 598 adapter->msix_entries[i].entry = i; 599 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); 600 if (err == 0) { 601 adapter->flags |= QLCNIC_MSIX_ENABLED; 602 if (qlcnic_83xx_check(adapter)) { 603 adapter->ahw->num_msix = num_msix; 604 /* subtract mail box and tx ring vectors */ 605 adapter->max_sds_rings = num_msix - 606 max_tx_rings - 1; 607 } else { 608 adapter->ahw->num_msix = num_msix; 609 if (qlcnic_check_multi_tx(adapter) && 610 !adapter->ahw->diag_test && 611 (adapter->max_drv_tx_rings > 1)) 612 max_sds_rings = num_msix - max_tx_rings; 613 else 614 max_sds_rings = num_msix; 615 616 adapter->max_sds_rings = max_sds_rings; 617 } 618 dev_info(&pdev->dev, "using msi-x interrupts\n"); 619 return err; 620 } else if (err > 0) { 621 dev_info(&pdev->dev, 622 "Unable to allocate %d MSI-X interrupt vectors\n", 623 num_msix); 624 if (qlcnic_83xx_check(adapter)) { 625 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector)) 626 return err; 627 err -= (max_tx_rings + 1); 628 num_msix = rounddown_pow_of_two(err); 629 num_msix += (max_tx_rings + 1); 630 } else { 631 num_msix = rounddown_pow_of_two(err); 632 if (qlcnic_check_multi_tx(adapter)) 633 num_msix += max_tx_rings; 634 } 635 636 if (num_msix) { 637 dev_info(&pdev->dev, 638 "Trying to allocate %d MSI-X interrupt vectors\n", 639 num_msix); 640 goto enable_msix; 641 } 642 } else { 643 dev_info(&pdev->dev, 644 "Unable to allocate %d MSI-X interrupt vectors\n", 645 num_msix); 646 } 647 } 648 649 return err; 650 } 651 652 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 653 { 654 int err = 0; 655 u32 offset, mask_reg; 656 const struct qlcnic_legacy_intr_set *legacy_intrp; 657 struct qlcnic_hardware_context *ahw = adapter->ahw; 658 struct pci_dev *pdev = adapter->pdev; 659 660 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 661 adapter->flags |= QLCNIC_MSI_ENABLED; 662 offset = msi_tgt_status[adapter->ahw->pci_func]; 663 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 664 offset); 665 dev_info(&pdev->dev, "using msi interrupts\n"); 666 adapter->msix_entries[0].vector = pdev->irq; 667 return err; 668 } 669 670 if (qlcnic_use_msi || qlcnic_use_msi_x) 671 return -EOPNOTSUPP; 672 673 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 674 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 675 offset = legacy_intrp->tgt_status_reg; 676 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 677 mask_reg = legacy_intrp->tgt_mask_reg; 678 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 679 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 680 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 681 dev_info(&pdev->dev, "using legacy interrupts\n"); 682 adapter->msix_entries[0].vector = pdev->irq; 683 return err; 684 } 685 686 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter, u8 num_intr, int txq) 687 { 688 struct qlcnic_hardware_context *ahw = adapter->ahw; 689 int num_msix, err = 0; 690 691 if (!num_intr) 692 num_intr = QLCNIC_DEF_NUM_STS_DESC_RINGS; 693 694 if (ahw->msix_supported) { 695 num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(), 696 num_intr)); 697 if (qlcnic_check_multi_tx(adapter)) { 698 if (txq) 699 adapter->max_drv_tx_rings = txq; 700 num_msix += adapter->max_drv_tx_rings; 701 } 702 } else { 703 num_msix = 1; 704 } 705 706 err = qlcnic_enable_msix(adapter, num_msix); 707 if (err == -ENOMEM) 708 return err; 709 710 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 711 qlcnic_disable_multi_tx(adapter); 712 713 err = qlcnic_enable_msi_legacy(adapter); 714 if (!err) 715 return err; 716 } 717 718 return 0; 719 } 720 721 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 722 { 723 struct qlcnic_hardware_context *ahw = adapter->ahw; 724 int err, i; 725 726 if (qlcnic_check_multi_tx(adapter) && 727 !ahw->diag_test && 728 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 729 ahw->intr_tbl = vzalloc(ahw->num_msix * 730 sizeof(struct qlcnic_intrpt_config)); 731 if (!ahw->intr_tbl) 732 return -ENOMEM; 733 734 for (i = 0; i < ahw->num_msix; i++) { 735 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 736 ahw->intr_tbl[i].id = i; 737 ahw->intr_tbl[i].src = 0; 738 } 739 740 err = qlcnic_82xx_config_intrpt(adapter, 1); 741 if (err) 742 dev_err(&adapter->pdev->dev, 743 "Failed to configure Interrupt for %d vector\n", 744 ahw->num_msix); 745 return err; 746 } 747 748 return 0; 749 } 750 751 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 752 { 753 if (adapter->flags & QLCNIC_MSIX_ENABLED) 754 pci_disable_msix(adapter->pdev); 755 if (adapter->flags & QLCNIC_MSI_ENABLED) 756 pci_disable_msi(adapter->pdev); 757 758 kfree(adapter->msix_entries); 759 adapter->msix_entries = NULL; 760 761 if (adapter->ahw->intr_tbl) { 762 vfree(adapter->ahw->intr_tbl); 763 adapter->ahw->intr_tbl = NULL; 764 } 765 } 766 767 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 768 { 769 if (ahw->pci_base0 != NULL) 770 iounmap(ahw->pci_base0); 771 } 772 773 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 774 { 775 struct qlcnic_pci_info *pci_info; 776 int ret; 777 778 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 779 switch (adapter->ahw->port_type) { 780 case QLCNIC_GBE: 781 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS; 782 break; 783 case QLCNIC_XGBE: 784 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS; 785 break; 786 } 787 return 0; 788 } 789 790 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 791 return 0; 792 793 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 794 if (!pci_info) 795 return -ENOMEM; 796 797 ret = qlcnic_get_pci_info(adapter, pci_info); 798 kfree(pci_info); 799 return ret; 800 } 801 802 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 803 { 804 bool ret = false; 805 806 if (qlcnic_84xx_check(adapter)) { 807 ret = true; 808 } else if (qlcnic_83xx_check(adapter)) { 809 if (adapter->ahw->extra_capability[0] & 810 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 811 ret = true; 812 else 813 ret = false; 814 } 815 816 return ret; 817 } 818 819 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 820 { 821 struct qlcnic_pci_info *pci_info; 822 int i, ret = 0, j = 0; 823 u16 act_pci_func; 824 u8 pfn; 825 826 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 827 if (!pci_info) 828 return -ENOMEM; 829 830 ret = qlcnic_get_pci_info(adapter, pci_info); 831 if (ret) 832 goto err_pci_info; 833 834 act_pci_func = adapter->ahw->act_pci_func; 835 836 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 837 act_pci_func, GFP_KERNEL); 838 if (!adapter->npars) { 839 ret = -ENOMEM; 840 goto err_pci_info; 841 } 842 843 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 844 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 845 if (!adapter->eswitch) { 846 ret = -ENOMEM; 847 goto err_npars; 848 } 849 850 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { 851 pfn = pci_info[i].id; 852 853 if (pfn >= QLCNIC_MAX_PCI_FUNC) { 854 ret = QL_STATUS_INVALID_PARAM; 855 goto err_eswitch; 856 } 857 858 if (!pci_info[i].active || 859 (pci_info[i].type != QLCNIC_TYPE_NIC)) 860 continue; 861 862 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 863 if (!qlcnic_83xx_enable_port_eswitch(adapter, pfn)) 864 adapter->npars[j].eswitch_status = true; 865 else 866 continue; 867 } else { 868 adapter->npars[j].eswitch_status = true; 869 } 870 871 adapter->npars[j].pci_func = pfn; 872 adapter->npars[j].active = (u8)pci_info[i].active; 873 adapter->npars[j].type = (u8)pci_info[i].type; 874 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 875 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 876 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 877 878 j++; 879 } 880 881 if (qlcnic_82xx_check(adapter)) { 882 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 883 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 884 } else if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 885 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 886 qlcnic_enable_eswitch(adapter, i, 1); 887 } 888 889 kfree(pci_info); 890 return 0; 891 892 err_eswitch: 893 kfree(adapter->eswitch); 894 adapter->eswitch = NULL; 895 err_npars: 896 kfree(adapter->npars); 897 adapter->npars = NULL; 898 err_pci_info: 899 kfree(pci_info); 900 901 return ret; 902 } 903 904 static int 905 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 906 { 907 u8 id; 908 int ret; 909 u32 data = QLCNIC_MGMT_FUNC; 910 struct qlcnic_hardware_context *ahw = adapter->ahw; 911 912 ret = qlcnic_api_lock(adapter); 913 if (ret) 914 goto err_lock; 915 916 id = ahw->pci_func; 917 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 918 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 919 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 920 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 921 qlcnic_api_unlock(adapter); 922 err_lock: 923 return ret; 924 } 925 926 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 927 const struct pci_device_id *ent) 928 { 929 u32 op_mode, priv_level; 930 931 /* Determine FW API version */ 932 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 933 QLCNIC_FW_API); 934 935 /* Find PCI function number */ 936 qlcnic_get_func_no(adapter); 937 938 /* Determine function privilege level */ 939 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 940 if (op_mode == QLC_DEV_DRV_DEFAULT) 941 priv_level = QLCNIC_MGMT_FUNC; 942 else 943 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 944 945 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 946 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 947 dev_info(&adapter->pdev->dev, 948 "HAL Version: %d Non Privileged function\n", 949 adapter->ahw->fw_hal_version); 950 adapter->nic_ops = &qlcnic_vf_ops; 951 } else 952 adapter->nic_ops = &qlcnic_ops; 953 } 954 955 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 956 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 957 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 958 { 959 switch (dev_id) { 960 case PCI_DEVICE_ID_QLOGIC_QLE824X: 961 *bar = QLCNIC_82XX_BAR0_LENGTH; 962 break; 963 case PCI_DEVICE_ID_QLOGIC_QLE834X: 964 case PCI_DEVICE_ID_QLOGIC_QLE844X: 965 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 966 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 967 *bar = QLCNIC_83XX_BAR0_LENGTH; 968 break; 969 default: 970 *bar = 0; 971 } 972 } 973 974 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 975 struct qlcnic_hardware_context *ahw) 976 { 977 u32 offset; 978 void __iomem *mem_ptr0 = NULL; 979 unsigned long mem_len, pci_len0 = 0, bar0_len; 980 981 /* remap phys address */ 982 mem_len = pci_resource_len(pdev, 0); 983 984 qlcnic_get_bar_length(pdev->device, &bar0_len); 985 if (mem_len >= bar0_len) { 986 987 mem_ptr0 = pci_ioremap_bar(pdev, 0); 988 if (mem_ptr0 == NULL) { 989 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 990 return -EIO; 991 } 992 pci_len0 = mem_len; 993 } else { 994 return -EIO; 995 } 996 997 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 998 999 ahw->pci_base0 = mem_ptr0; 1000 ahw->pci_len0 = pci_len0; 1001 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1002 qlcnic_get_ioaddr(ahw, offset); 1003 1004 return 0; 1005 } 1006 1007 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1008 int index) 1009 { 1010 struct pci_dev *pdev = adapter->pdev; 1011 unsigned short subsystem_vendor; 1012 bool ret = true; 1013 1014 subsystem_vendor = pdev->subsystem_vendor; 1015 1016 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1017 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1018 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1019 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1020 ret = true; 1021 else 1022 ret = false; 1023 } 1024 1025 return ret; 1026 } 1027 1028 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1029 { 1030 struct pci_dev *pdev = adapter->pdev; 1031 int i, found = 0; 1032 1033 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1034 if (qlcnic_boards[i].vendor == pdev->vendor && 1035 qlcnic_boards[i].device == pdev->device && 1036 qlcnic_validate_subsystem_id(adapter, i)) { 1037 found = 1; 1038 break; 1039 } 1040 } 1041 1042 if (!found) 1043 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1044 else 1045 sprintf(name, "%pM: %s" , adapter->mac_addr, 1046 qlcnic_boards[i].short_name); 1047 } 1048 1049 static void 1050 qlcnic_check_options(struct qlcnic_adapter *adapter) 1051 { 1052 int err; 1053 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1054 struct pci_dev *pdev = adapter->pdev; 1055 struct qlcnic_hardware_context *ahw = adapter->ahw; 1056 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1057 1058 prev_fw_version = adapter->fw_version; 1059 1060 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1061 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1062 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1063 1064 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1065 1066 err = qlcnic_get_board_info(adapter); 1067 if (err) { 1068 dev_err(&pdev->dev, "Error getting board config info.\n"); 1069 return; 1070 } 1071 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1072 if (fw_dump->tmpl_hdr == NULL || 1073 adapter->fw_version > prev_fw_version) { 1074 if (fw_dump->tmpl_hdr) 1075 vfree(fw_dump->tmpl_hdr); 1076 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1077 dev_info(&pdev->dev, 1078 "Supports FW dump capability\n"); 1079 } 1080 } 1081 1082 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1083 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1084 1085 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1086 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1087 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1088 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1089 } else { 1090 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1091 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1092 } 1093 1094 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1095 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1096 1097 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1098 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1099 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1100 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1101 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1102 } 1103 1104 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1105 1106 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1107 1108 adapter->max_rds_rings = MAX_RDS_RINGS; 1109 } 1110 1111 static int 1112 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1113 { 1114 struct qlcnic_info nic_info; 1115 int err = 0; 1116 1117 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1118 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1119 if (err) 1120 return err; 1121 1122 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1123 adapter->ahw->switch_mode = nic_info.switch_mode; 1124 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1125 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1126 adapter->ahw->capabilities = nic_info.capabilities; 1127 1128 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1129 u32 temp; 1130 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1131 if (err == -EIO) 1132 return err; 1133 adapter->ahw->extra_capability[0] = temp; 1134 } else { 1135 adapter->ahw->extra_capability[0] = 0; 1136 } 1137 1138 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1139 adapter->ahw->max_mtu = nic_info.max_mtu; 1140 1141 /* Disable NPAR for 83XX */ 1142 if (qlcnic_83xx_check(adapter)) 1143 return err; 1144 1145 if (adapter->ahw->capabilities & BIT_6) 1146 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1147 else 1148 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1149 1150 return err; 1151 } 1152 1153 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1154 struct qlcnic_esw_func_cfg *esw_cfg) 1155 { 1156 if (esw_cfg->discard_tagged) 1157 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1158 else 1159 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1160 1161 if (esw_cfg->vlan_id) { 1162 adapter->rx_pvid = esw_cfg->vlan_id; 1163 adapter->tx_pvid = esw_cfg->vlan_id; 1164 } else { 1165 adapter->rx_pvid = 0; 1166 adapter->tx_pvid = 0; 1167 } 1168 } 1169 1170 static int 1171 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1172 { 1173 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1174 int err; 1175 1176 if (qlcnic_sriov_vf_check(adapter)) { 1177 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1178 if (err) { 1179 netdev_err(netdev, 1180 "Cannot add VLAN filter for VLAN id %d, err=%d", 1181 vid, err); 1182 return err; 1183 } 1184 } 1185 1186 set_bit(vid, adapter->vlans); 1187 return 0; 1188 } 1189 1190 static int 1191 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1192 { 1193 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1194 int err; 1195 1196 if (qlcnic_sriov_vf_check(adapter)) { 1197 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1198 if (err) { 1199 netdev_err(netdev, 1200 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1201 vid, err); 1202 return err; 1203 } 1204 } 1205 1206 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1207 clear_bit(vid, adapter->vlans); 1208 return 0; 1209 } 1210 1211 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1212 struct qlcnic_esw_func_cfg *esw_cfg) 1213 { 1214 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1215 QLCNIC_PROMISC_DISABLED); 1216 1217 if (esw_cfg->mac_anti_spoof) 1218 adapter->flags |= QLCNIC_MACSPOOF; 1219 1220 if (!esw_cfg->mac_override) 1221 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1222 1223 if (!esw_cfg->promisc_mode) 1224 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1225 } 1226 1227 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1228 { 1229 struct qlcnic_esw_func_cfg esw_cfg; 1230 1231 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1232 return 0; 1233 1234 esw_cfg.pci_func = adapter->ahw->pci_func; 1235 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1236 return -EIO; 1237 qlcnic_set_vlan_config(adapter, &esw_cfg); 1238 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1239 qlcnic_set_netdev_features(adapter, &esw_cfg); 1240 1241 return 0; 1242 } 1243 1244 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1245 struct qlcnic_esw_func_cfg *esw_cfg) 1246 { 1247 struct net_device *netdev = adapter->netdev; 1248 1249 if (qlcnic_83xx_check(adapter)) 1250 return; 1251 1252 adapter->offload_flags = esw_cfg->offload_flags; 1253 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1254 netdev_update_features(netdev); 1255 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1256 } 1257 1258 static int 1259 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1260 { 1261 u32 op_mode, priv_level; 1262 int err = 0; 1263 1264 err = qlcnic_initialize_nic(adapter); 1265 if (err) 1266 return err; 1267 1268 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1269 return 0; 1270 1271 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1272 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1273 1274 if (op_mode == QLC_DEV_DRV_DEFAULT) 1275 priv_level = QLCNIC_MGMT_FUNC; 1276 else 1277 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1278 1279 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1280 if (priv_level == QLCNIC_MGMT_FUNC) { 1281 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1282 err = qlcnic_init_pci_info(adapter); 1283 if (err) 1284 return err; 1285 /* Set privilege level for other functions */ 1286 qlcnic_set_function_modes(adapter); 1287 dev_info(&adapter->pdev->dev, 1288 "HAL Version: %d, Management function\n", 1289 adapter->ahw->fw_hal_version); 1290 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1291 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1292 dev_info(&adapter->pdev->dev, 1293 "HAL Version: %d, Privileged function\n", 1294 adapter->ahw->fw_hal_version); 1295 } 1296 } 1297 1298 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1299 1300 return err; 1301 } 1302 1303 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1304 { 1305 struct qlcnic_esw_func_cfg esw_cfg; 1306 struct qlcnic_npar_info *npar; 1307 u8 i; 1308 1309 if (adapter->need_fw_reset) 1310 return 0; 1311 1312 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1313 if (!adapter->npars[i].eswitch_status) 1314 continue; 1315 1316 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1317 esw_cfg.pci_func = adapter->npars[i].pci_func; 1318 esw_cfg.mac_override = BIT_0; 1319 esw_cfg.promisc_mode = BIT_0; 1320 if (qlcnic_82xx_check(adapter)) { 1321 esw_cfg.offload_flags = BIT_0; 1322 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1323 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1324 } 1325 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1326 return -EIO; 1327 npar = &adapter->npars[i]; 1328 npar->pvid = esw_cfg.vlan_id; 1329 npar->mac_override = esw_cfg.mac_override; 1330 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1331 npar->discard_tagged = esw_cfg.discard_tagged; 1332 npar->promisc_mode = esw_cfg.promisc_mode; 1333 npar->offload_flags = esw_cfg.offload_flags; 1334 } 1335 1336 return 0; 1337 } 1338 1339 1340 static int 1341 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1342 struct qlcnic_npar_info *npar, int pci_func) 1343 { 1344 struct qlcnic_esw_func_cfg esw_cfg; 1345 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1346 esw_cfg.pci_func = pci_func; 1347 esw_cfg.vlan_id = npar->pvid; 1348 esw_cfg.mac_override = npar->mac_override; 1349 esw_cfg.discard_tagged = npar->discard_tagged; 1350 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1351 esw_cfg.offload_flags = npar->offload_flags; 1352 esw_cfg.promisc_mode = npar->promisc_mode; 1353 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1354 return -EIO; 1355 1356 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1357 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1358 return -EIO; 1359 1360 return 0; 1361 } 1362 1363 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1364 { 1365 int i, err; 1366 struct qlcnic_npar_info *npar; 1367 struct qlcnic_info nic_info; 1368 u8 pci_func; 1369 1370 if (qlcnic_82xx_check(adapter)) 1371 if (!adapter->need_fw_reset) 1372 return 0; 1373 1374 /* Set the NPAR config data after FW reset */ 1375 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1376 npar = &adapter->npars[i]; 1377 pci_func = npar->pci_func; 1378 if (!adapter->npars[i].eswitch_status) 1379 continue; 1380 1381 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1382 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1383 if (err) 1384 return err; 1385 nic_info.min_tx_bw = npar->min_bw; 1386 nic_info.max_tx_bw = npar->max_bw; 1387 err = qlcnic_set_nic_info(adapter, &nic_info); 1388 if (err) 1389 return err; 1390 1391 if (npar->enable_pm) { 1392 err = qlcnic_config_port_mirroring(adapter, 1393 npar->dest_npar, 1, 1394 pci_func); 1395 if (err) 1396 return err; 1397 } 1398 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1399 if (err) 1400 return err; 1401 } 1402 return 0; 1403 } 1404 1405 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1406 { 1407 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1408 u32 npar_state; 1409 1410 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1411 return 0; 1412 1413 npar_state = QLC_SHARED_REG_RD32(adapter, 1414 QLCNIC_CRB_DEV_NPAR_STATE); 1415 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1416 msleep(1000); 1417 npar_state = QLC_SHARED_REG_RD32(adapter, 1418 QLCNIC_CRB_DEV_NPAR_STATE); 1419 } 1420 if (!npar_opt_timeo) { 1421 dev_err(&adapter->pdev->dev, 1422 "Waiting for NPAR state to operational timeout\n"); 1423 return -EIO; 1424 } 1425 return 0; 1426 } 1427 1428 static int 1429 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1430 { 1431 int err; 1432 1433 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1434 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1435 return 0; 1436 1437 err = qlcnic_set_default_offload_settings(adapter); 1438 if (err) 1439 return err; 1440 1441 err = qlcnic_reset_npar_config(adapter); 1442 if (err) 1443 return err; 1444 1445 qlcnic_dev_set_npar_ready(adapter); 1446 1447 return err; 1448 } 1449 1450 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1451 { 1452 int err; 1453 1454 err = qlcnic_can_start_firmware(adapter); 1455 if (err < 0) 1456 return err; 1457 else if (!err) 1458 goto check_fw_status; 1459 1460 if (qlcnic_load_fw_file) 1461 qlcnic_request_firmware(adapter); 1462 else { 1463 err = qlcnic_check_flash_fw_ver(adapter); 1464 if (err) 1465 goto err_out; 1466 1467 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1468 } 1469 1470 err = qlcnic_need_fw_reset(adapter); 1471 if (err == 0) 1472 goto check_fw_status; 1473 1474 err = qlcnic_pinit_from_rom(adapter); 1475 if (err) 1476 goto err_out; 1477 1478 err = qlcnic_load_firmware(adapter); 1479 if (err) 1480 goto err_out; 1481 1482 qlcnic_release_firmware(adapter); 1483 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1484 1485 check_fw_status: 1486 err = qlcnic_check_fw_status(adapter); 1487 if (err) 1488 goto err_out; 1489 1490 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1491 qlcnic_idc_debug_info(adapter, 1); 1492 err = qlcnic_check_eswitch_mode(adapter); 1493 if (err) { 1494 dev_err(&adapter->pdev->dev, 1495 "Memory allocation failed for eswitch\n"); 1496 goto err_out; 1497 } 1498 err = qlcnic_set_mgmt_operations(adapter); 1499 if (err) 1500 goto err_out; 1501 1502 qlcnic_check_options(adapter); 1503 adapter->need_fw_reset = 0; 1504 1505 qlcnic_release_firmware(adapter); 1506 return 0; 1507 1508 err_out: 1509 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1510 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1511 1512 qlcnic_release_firmware(adapter); 1513 return err; 1514 } 1515 1516 static int 1517 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1518 { 1519 irq_handler_t handler; 1520 struct qlcnic_host_sds_ring *sds_ring; 1521 struct qlcnic_host_tx_ring *tx_ring; 1522 int err, ring, num_sds_rings; 1523 1524 unsigned long flags = 0; 1525 struct net_device *netdev = adapter->netdev; 1526 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1527 1528 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1529 if (qlcnic_82xx_check(adapter)) 1530 handler = qlcnic_tmp_intr; 1531 else 1532 handler = qlcnic_83xx_tmp_intr; 1533 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1534 flags |= IRQF_SHARED; 1535 1536 } else { 1537 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1538 handler = qlcnic_msix_intr; 1539 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1540 handler = qlcnic_msi_intr; 1541 else { 1542 flags |= IRQF_SHARED; 1543 if (qlcnic_82xx_check(adapter)) 1544 handler = qlcnic_intr; 1545 else 1546 handler = qlcnic_83xx_intr; 1547 } 1548 } 1549 adapter->irq = netdev->irq; 1550 1551 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1552 if (qlcnic_82xx_check(adapter) || 1553 (qlcnic_83xx_check(adapter) && 1554 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1555 num_sds_rings = adapter->max_sds_rings; 1556 for (ring = 0; ring < num_sds_rings; ring++) { 1557 sds_ring = &recv_ctx->sds_rings[ring]; 1558 if (qlcnic_82xx_check(adapter) && 1559 !qlcnic_check_multi_tx(adapter) && 1560 (ring == (num_sds_rings - 1))) { 1561 if (!(adapter->flags & 1562 QLCNIC_MSIX_ENABLED)) 1563 snprintf(sds_ring->name, 1564 sizeof(sds_ring->name), 1565 "qlcnic"); 1566 else 1567 snprintf(sds_ring->name, 1568 sizeof(sds_ring->name), 1569 "%s-tx-0-rx-%d", 1570 netdev->name, ring); 1571 } else { 1572 snprintf(sds_ring->name, 1573 sizeof(sds_ring->name), 1574 "%s-rx-%d", 1575 netdev->name, ring); 1576 } 1577 err = request_irq(sds_ring->irq, handler, flags, 1578 sds_ring->name, sds_ring); 1579 if (err) 1580 return err; 1581 } 1582 } 1583 if ((qlcnic_82xx_check(adapter) && 1584 qlcnic_check_multi_tx(adapter)) || 1585 (qlcnic_83xx_check(adapter) && 1586 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1587 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1588 handler = qlcnic_msix_tx_intr; 1589 for (ring = 0; ring < adapter->max_drv_tx_rings; 1590 ring++) { 1591 tx_ring = &adapter->tx_ring[ring]; 1592 snprintf(tx_ring->name, sizeof(tx_ring->name), 1593 "%s-tx-%d", netdev->name, ring); 1594 err = request_irq(tx_ring->irq, handler, flags, 1595 tx_ring->name, tx_ring); 1596 if (err) 1597 return err; 1598 } 1599 } 1600 } 1601 return 0; 1602 } 1603 1604 static void 1605 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1606 { 1607 int ring; 1608 struct qlcnic_host_sds_ring *sds_ring; 1609 struct qlcnic_host_tx_ring *tx_ring; 1610 1611 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1612 1613 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1614 if (qlcnic_82xx_check(adapter) || 1615 (qlcnic_83xx_check(adapter) && 1616 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1617 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1618 sds_ring = &recv_ctx->sds_rings[ring]; 1619 free_irq(sds_ring->irq, sds_ring); 1620 } 1621 } 1622 if ((qlcnic_83xx_check(adapter) && 1623 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1624 (qlcnic_82xx_check(adapter) && 1625 qlcnic_check_multi_tx(adapter))) { 1626 for (ring = 0; ring < adapter->max_drv_tx_rings; 1627 ring++) { 1628 tx_ring = &adapter->tx_ring[ring]; 1629 if (tx_ring->irq) 1630 free_irq(tx_ring->irq, tx_ring); 1631 } 1632 } 1633 } 1634 } 1635 1636 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1637 { 1638 u32 capab = 0; 1639 1640 if (qlcnic_82xx_check(adapter)) { 1641 if (adapter->ahw->extra_capability[0] & 1642 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1643 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1644 } else { 1645 capab = adapter->ahw->capabilities; 1646 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1647 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1648 } 1649 } 1650 1651 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1652 { 1653 int ring; 1654 struct qlcnic_host_rds_ring *rds_ring; 1655 1656 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1657 return -EIO; 1658 1659 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1660 return 0; 1661 1662 if (qlcnic_set_eswitch_port_config(adapter)) 1663 return -EIO; 1664 1665 qlcnic_get_lro_mss_capability(adapter); 1666 1667 if (qlcnic_fw_create_ctx(adapter)) 1668 return -EIO; 1669 1670 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1671 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1672 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1673 } 1674 1675 qlcnic_set_multi(netdev); 1676 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1677 1678 adapter->ahw->linkup = 0; 1679 1680 if (adapter->max_sds_rings > 1) 1681 qlcnic_config_rss(adapter, 1); 1682 1683 qlcnic_config_intr_coalesce(adapter); 1684 1685 if (netdev->features & NETIF_F_LRO) 1686 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1687 1688 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1689 qlcnic_napi_enable(adapter); 1690 1691 qlcnic_linkevent_request(adapter, 1); 1692 1693 adapter->ahw->reset_context = 0; 1694 return 0; 1695 } 1696 1697 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1698 { 1699 int err = 0; 1700 1701 rtnl_lock(); 1702 if (netif_running(netdev)) 1703 err = __qlcnic_up(adapter, netdev); 1704 rtnl_unlock(); 1705 1706 return err; 1707 } 1708 1709 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1710 { 1711 int ring; 1712 1713 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1714 return; 1715 1716 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1717 return; 1718 1719 if (qlcnic_sriov_vf_check(adapter)) 1720 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1721 smp_mb(); 1722 netif_carrier_off(netdev); 1723 adapter->ahw->linkup = 0; 1724 netif_tx_disable(netdev); 1725 1726 qlcnic_free_mac_list(adapter); 1727 1728 if (adapter->fhash.fnum) 1729 qlcnic_delete_lb_filters(adapter); 1730 1731 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1732 1733 qlcnic_napi_disable(adapter); 1734 1735 qlcnic_fw_destroy_ctx(adapter); 1736 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1737 1738 qlcnic_reset_rx_buffers_list(adapter); 1739 1740 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) 1741 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1742 } 1743 1744 /* Usage: During suspend and firmware recovery module */ 1745 1746 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1747 { 1748 rtnl_lock(); 1749 if (netif_running(netdev)) 1750 __qlcnic_down(adapter, netdev); 1751 rtnl_unlock(); 1752 1753 } 1754 1755 int 1756 qlcnic_attach(struct qlcnic_adapter *adapter) 1757 { 1758 struct net_device *netdev = adapter->netdev; 1759 struct pci_dev *pdev = adapter->pdev; 1760 int err; 1761 1762 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1763 return 0; 1764 1765 err = qlcnic_napi_add(adapter, netdev); 1766 if (err) 1767 return err; 1768 1769 err = qlcnic_alloc_sw_resources(adapter); 1770 if (err) { 1771 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1772 goto err_out_napi_del; 1773 } 1774 1775 err = qlcnic_alloc_hw_resources(adapter); 1776 if (err) { 1777 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1778 goto err_out_free_sw; 1779 } 1780 1781 err = qlcnic_request_irq(adapter); 1782 if (err) { 1783 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1784 goto err_out_free_hw; 1785 } 1786 1787 qlcnic_create_sysfs_entries(adapter); 1788 1789 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 1790 return 0; 1791 1792 err_out_free_hw: 1793 qlcnic_free_hw_resources(adapter); 1794 err_out_free_sw: 1795 qlcnic_free_sw_resources(adapter); 1796 err_out_napi_del: 1797 qlcnic_napi_del(adapter); 1798 return err; 1799 } 1800 1801 void qlcnic_detach(struct qlcnic_adapter *adapter) 1802 { 1803 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1804 return; 1805 1806 qlcnic_remove_sysfs_entries(adapter); 1807 1808 qlcnic_free_hw_resources(adapter); 1809 qlcnic_release_rx_buffers(adapter); 1810 qlcnic_free_irq(adapter); 1811 qlcnic_napi_del(adapter); 1812 qlcnic_free_sw_resources(adapter); 1813 1814 adapter->is_up = 0; 1815 } 1816 1817 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) 1818 { 1819 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1820 struct qlcnic_host_sds_ring *sds_ring; 1821 int max_tx_rings = adapter->max_drv_tx_rings; 1822 int ring; 1823 1824 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 1825 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1826 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1827 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1828 qlcnic_disable_int(sds_ring); 1829 } 1830 } 1831 1832 qlcnic_fw_destroy_ctx(adapter); 1833 1834 qlcnic_detach(adapter); 1835 1836 adapter->ahw->diag_test = 0; 1837 adapter->max_sds_rings = max_sds_rings; 1838 adapter->max_drv_tx_rings = max_tx_rings; 1839 1840 if (qlcnic_attach(adapter)) 1841 goto out; 1842 1843 if (netif_running(netdev)) 1844 __qlcnic_up(adapter, netdev); 1845 out: 1846 netif_device_attach(netdev); 1847 } 1848 1849 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 1850 { 1851 struct qlcnic_hardware_context *ahw = adapter->ahw; 1852 int err = 0; 1853 1854 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 1855 GFP_KERNEL); 1856 if (!adapter->recv_ctx) { 1857 err = -ENOMEM; 1858 goto err_out; 1859 } 1860 /* Initialize interrupt coalesce parameters */ 1861 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1862 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1863 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1864 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1865 if (qlcnic_83xx_check(adapter)) { 1866 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1867 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1868 } 1869 /* clear stats */ 1870 memset(&adapter->stats, 0, sizeof(adapter->stats)); 1871 err_out: 1872 return err; 1873 } 1874 1875 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 1876 { 1877 kfree(adapter->recv_ctx); 1878 adapter->recv_ctx = NULL; 1879 1880 if (adapter->ahw->fw_dump.tmpl_hdr) { 1881 vfree(adapter->ahw->fw_dump.tmpl_hdr); 1882 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1883 } 1884 1885 kfree(adapter->ahw->reset.buff); 1886 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1887 } 1888 1889 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 1890 { 1891 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1892 struct qlcnic_host_sds_ring *sds_ring; 1893 struct qlcnic_host_rds_ring *rds_ring; 1894 int ring; 1895 int ret; 1896 1897 netif_device_detach(netdev); 1898 1899 if (netif_running(netdev)) 1900 __qlcnic_down(adapter, netdev); 1901 1902 qlcnic_detach(adapter); 1903 1904 adapter->max_sds_rings = 1; 1905 adapter->ahw->diag_test = test; 1906 adapter->ahw->linkup = 0; 1907 adapter->max_drv_tx_rings = 1; 1908 1909 ret = qlcnic_attach(adapter); 1910 if (ret) { 1911 netif_device_attach(netdev); 1912 return ret; 1913 } 1914 1915 ret = qlcnic_fw_create_ctx(adapter); 1916 if (ret) { 1917 qlcnic_detach(adapter); 1918 netif_device_attach(netdev); 1919 return ret; 1920 } 1921 1922 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1923 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1924 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1925 } 1926 1927 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1928 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1929 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1930 qlcnic_enable_int(sds_ring); 1931 } 1932 } 1933 1934 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 1935 adapter->ahw->loopback_state = 0; 1936 qlcnic_linkevent_request(adapter, 1); 1937 } 1938 1939 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1940 1941 return 0; 1942 } 1943 1944 /* Reset context in hardware only */ 1945 static int 1946 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 1947 { 1948 struct net_device *netdev = adapter->netdev; 1949 1950 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1951 return -EBUSY; 1952 1953 netif_device_detach(netdev); 1954 1955 qlcnic_down(adapter, netdev); 1956 1957 qlcnic_up(adapter, netdev); 1958 1959 netif_device_attach(netdev); 1960 1961 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1962 dev_err(&adapter->pdev->dev, "%s:\n", __func__); 1963 return 0; 1964 } 1965 1966 int 1967 qlcnic_reset_context(struct qlcnic_adapter *adapter) 1968 { 1969 int err = 0; 1970 struct net_device *netdev = adapter->netdev; 1971 1972 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1973 return -EBUSY; 1974 1975 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 1976 1977 netif_device_detach(netdev); 1978 1979 if (netif_running(netdev)) 1980 __qlcnic_down(adapter, netdev); 1981 1982 qlcnic_detach(adapter); 1983 1984 if (netif_running(netdev)) { 1985 err = qlcnic_attach(adapter); 1986 if (!err) { 1987 __qlcnic_up(adapter, netdev); 1988 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 1989 } 1990 } 1991 1992 netif_device_attach(netdev); 1993 } 1994 1995 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1996 return err; 1997 } 1998 1999 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2000 { 2001 struct qlcnic_hardware_context *ahw = adapter->ahw; 2002 u16 act_pci_fn = ahw->act_pci_func; 2003 u16 count; 2004 2005 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2006 if (act_pci_fn <= 2) 2007 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2008 act_pci_fn; 2009 else 2010 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2011 act_pci_fn; 2012 ahw->max_uc_count = count; 2013 } 2014 2015 int 2016 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2017 int pci_using_dac) 2018 { 2019 int err; 2020 struct pci_dev *pdev = adapter->pdev; 2021 2022 adapter->rx_csum = 1; 2023 adapter->ahw->mc_enabled = 0; 2024 qlcnic_set_mac_filter_count(adapter); 2025 2026 netdev->netdev_ops = &qlcnic_netdev_ops; 2027 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2028 2029 qlcnic_change_mtu(netdev, netdev->mtu); 2030 2031 if (qlcnic_sriov_vf_check(adapter)) 2032 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops); 2033 else 2034 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); 2035 2036 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2037 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2038 NETIF_F_HW_VLAN_CTAG_RX); 2039 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2040 NETIF_F_IPV6_CSUM); 2041 2042 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2043 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2044 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2045 } 2046 2047 if (pci_using_dac) { 2048 netdev->features |= NETIF_F_HIGHDMA; 2049 netdev->vlan_features |= NETIF_F_HIGHDMA; 2050 } 2051 2052 if (qlcnic_vlan_tx_check(adapter)) 2053 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2054 2055 if (qlcnic_sriov_vf_check(adapter)) 2056 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2057 2058 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2059 netdev->features |= NETIF_F_LRO; 2060 2061 netdev->hw_features = netdev->features; 2062 netdev->priv_flags |= IFF_UNICAST_FLT; 2063 netdev->irq = adapter->msix_entries[0].vector; 2064 2065 err = qlcnic_set_real_num_queues(adapter, netdev); 2066 if (err) 2067 return err; 2068 2069 err = register_netdev(netdev); 2070 if (err) { 2071 dev_err(&pdev->dev, "failed to register net device\n"); 2072 return err; 2073 } 2074 2075 qlcnic_dcb_init_dcbnl_ops(adapter); 2076 2077 return 0; 2078 } 2079 2080 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2081 { 2082 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2083 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2084 *pci_using_dac = 1; 2085 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2086 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2087 *pci_using_dac = 0; 2088 else { 2089 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2090 return -EIO; 2091 } 2092 2093 return 0; 2094 } 2095 2096 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2097 { 2098 int ring; 2099 struct qlcnic_host_tx_ring *tx_ring; 2100 2101 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 2102 tx_ring = &adapter->tx_ring[ring]; 2103 if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 2104 vfree(tx_ring->cmd_buf_arr); 2105 tx_ring->cmd_buf_arr = NULL; 2106 } 2107 } 2108 if (adapter->tx_ring != NULL) 2109 kfree(adapter->tx_ring); 2110 } 2111 2112 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2113 struct net_device *netdev) 2114 { 2115 int ring, vector, index; 2116 struct qlcnic_host_tx_ring *tx_ring; 2117 struct qlcnic_cmd_buffer *cmd_buf_arr; 2118 2119 tx_ring = kcalloc(adapter->max_drv_tx_rings, 2120 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2121 if (tx_ring == NULL) 2122 return -ENOMEM; 2123 2124 adapter->tx_ring = tx_ring; 2125 2126 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 2127 tx_ring = &adapter->tx_ring[ring]; 2128 tx_ring->num_desc = adapter->num_txd; 2129 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2130 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2131 if (cmd_buf_arr == NULL) { 2132 qlcnic_free_tx_rings(adapter); 2133 return -ENOMEM; 2134 } 2135 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 2136 tx_ring->cmd_buf_arr = cmd_buf_arr; 2137 } 2138 2139 if (qlcnic_83xx_check(adapter) || 2140 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2141 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 2142 tx_ring = &adapter->tx_ring[ring]; 2143 tx_ring->adapter = adapter; 2144 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2145 index = adapter->max_sds_rings + ring; 2146 vector = adapter->msix_entries[index].vector; 2147 tx_ring->irq = vector; 2148 } 2149 } 2150 } 2151 2152 return 0; 2153 } 2154 2155 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2156 { 2157 struct qlcnic_hardware_context *ahw = adapter->ahw; 2158 u32 fw_cmd = 0; 2159 2160 if (qlcnic_82xx_check(adapter)) 2161 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2162 else if (qlcnic_83xx_check(adapter)) 2163 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2164 2165 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2166 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2167 } 2168 2169 static int qlcnic_register_dcb(struct qlcnic_adapter *adapter) 2170 { 2171 return __qlcnic_register_dcb(adapter); 2172 } 2173 2174 void qlcnic_clear_dcb_ops(struct qlcnic_adapter *adapter) 2175 { 2176 kfree(adapter->dcb); 2177 adapter->dcb = NULL; 2178 } 2179 2180 static int 2181 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2182 { 2183 struct net_device *netdev = NULL; 2184 struct qlcnic_adapter *adapter = NULL; 2185 struct qlcnic_hardware_context *ahw; 2186 int err, pci_using_dac = -1; 2187 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2188 2189 if (pdev->is_virtfn) 2190 return -ENODEV; 2191 2192 err = pci_enable_device(pdev); 2193 if (err) 2194 return err; 2195 2196 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2197 err = -ENODEV; 2198 goto err_out_disable_pdev; 2199 } 2200 2201 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2202 if (err) 2203 goto err_out_disable_pdev; 2204 2205 err = pci_request_regions(pdev, qlcnic_driver_name); 2206 if (err) 2207 goto err_out_disable_pdev; 2208 2209 pci_set_master(pdev); 2210 pci_enable_pcie_error_reporting(pdev); 2211 2212 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2213 if (!ahw) { 2214 err = -ENOMEM; 2215 goto err_out_free_res; 2216 } 2217 2218 switch (ent->device) { 2219 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2220 ahw->hw_ops = &qlcnic_hw_ops; 2221 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2222 break; 2223 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2224 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2225 qlcnic_83xx_register_map(ahw); 2226 break; 2227 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2228 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2229 qlcnic_sriov_vf_register_map(ahw); 2230 break; 2231 default: 2232 goto err_out_free_hw_res; 2233 } 2234 2235 err = qlcnic_setup_pci_map(pdev, ahw); 2236 if (err) 2237 goto err_out_free_hw_res; 2238 2239 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2240 QLCNIC_MAX_TX_RINGS); 2241 if (!netdev) { 2242 err = -ENOMEM; 2243 goto err_out_iounmap; 2244 } 2245 2246 SET_NETDEV_DEV(netdev, &pdev->dev); 2247 2248 adapter = netdev_priv(netdev); 2249 adapter->netdev = netdev; 2250 adapter->pdev = pdev; 2251 adapter->ahw = ahw; 2252 2253 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2254 if (adapter->qlcnic_wq == NULL) { 2255 err = -ENOMEM; 2256 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2257 goto err_out_free_netdev; 2258 } 2259 2260 err = qlcnic_alloc_adapter_resources(adapter); 2261 if (err) 2262 goto err_out_free_wq; 2263 2264 adapter->dev_rst_time = jiffies; 2265 adapter->ahw->revision_id = pdev->revision; 2266 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2267 adapter->fdb_mac_learn = true; 2268 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2269 adapter->drv_mac_learn = true; 2270 2271 rwlock_init(&adapter->ahw->crb_lock); 2272 mutex_init(&adapter->ahw->mem_lock); 2273 2274 INIT_LIST_HEAD(&adapter->mac_list); 2275 2276 qlcnic_register_dcb(adapter); 2277 2278 if (qlcnic_82xx_check(adapter)) { 2279 qlcnic_check_vf(adapter, ent); 2280 adapter->portnum = adapter->ahw->pci_func; 2281 err = qlcnic_start_firmware(adapter); 2282 if (err) { 2283 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2284 "\t\tIf reboot doesn't help, try flashing the card\n"); 2285 goto err_out_maintenance_mode; 2286 } 2287 2288 qlcnic_get_multiq_capability(adapter); 2289 2290 if ((adapter->ahw->act_pci_func > 2) && 2291 qlcnic_check_multi_tx(adapter)) { 2292 adapter->max_drv_tx_rings = QLCNIC_DEF_NUM_TX_RINGS; 2293 dev_info(&adapter->pdev->dev, 2294 "vNIC mode enabled, Set max TX rings = %d\n", 2295 adapter->max_drv_tx_rings); 2296 } 2297 2298 if (!qlcnic_check_multi_tx(adapter)) { 2299 clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 2300 adapter->max_drv_tx_rings = 1; 2301 } 2302 err = qlcnic_setup_idc_param(adapter); 2303 if (err) 2304 goto err_out_free_hw; 2305 2306 adapter->flags |= QLCNIC_NEED_FLR; 2307 2308 if (adapter->dcb && qlcnic_dcb_attach(adapter)) 2309 qlcnic_clear_dcb_ops(adapter); 2310 2311 } else if (qlcnic_83xx_check(adapter)) { 2312 adapter->max_drv_tx_rings = 1; 2313 qlcnic_83xx_check_vf(adapter, ent); 2314 adapter->portnum = adapter->ahw->pci_func; 2315 err = qlcnic_83xx_init(adapter, pci_using_dac); 2316 if (err) { 2317 dev_err(&pdev->dev, "%s: failed\n", __func__); 2318 goto err_out_free_hw; 2319 } 2320 if (qlcnic_sriov_vf_check(adapter)) 2321 return 0; 2322 } else { 2323 dev_err(&pdev->dev, 2324 "%s: failed. Please Reboot\n", __func__); 2325 goto err_out_free_hw; 2326 } 2327 2328 if (qlcnic_read_mac_addr(adapter)) 2329 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2330 2331 qlcnic_read_phys_port_id(adapter); 2332 2333 if (adapter->portnum == 0) { 2334 qlcnic_get_board_name(adapter, board_name); 2335 2336 pr_info("%s: %s Board Chip rev 0x%x\n", 2337 module_name(THIS_MODULE), 2338 board_name, adapter->ahw->revision_id); 2339 } 2340 2341 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2342 !!qlcnic_use_msi) 2343 dev_warn(&pdev->dev, 2344 "Device does not support MSI interrupts\n"); 2345 2346 if (qlcnic_82xx_check(adapter)) { 2347 err = qlcnic_setup_intr(adapter, 0, 0); 2348 if (err) { 2349 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2350 goto err_out_disable_msi; 2351 } 2352 } 2353 2354 err = qlcnic_get_act_pci_func(adapter); 2355 if (err) 2356 goto err_out_disable_mbx_intr; 2357 2358 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2359 if (err) 2360 goto err_out_disable_mbx_intr; 2361 2362 if (adapter->portnum == 0) 2363 qlcnic_set_drv_version(adapter); 2364 2365 pci_set_drvdata(pdev, adapter); 2366 2367 if (qlcnic_82xx_check(adapter)) 2368 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2369 FW_POLL_DELAY); 2370 2371 switch (adapter->ahw->port_type) { 2372 case QLCNIC_GBE: 2373 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2374 adapter->netdev->name); 2375 break; 2376 case QLCNIC_XGBE: 2377 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2378 adapter->netdev->name); 2379 break; 2380 } 2381 2382 if (adapter->drv_mac_learn) 2383 qlcnic_alloc_lb_filters_mem(adapter); 2384 2385 qlcnic_add_sysfs(adapter); 2386 2387 return 0; 2388 2389 err_out_disable_mbx_intr: 2390 if (qlcnic_83xx_check(adapter)) 2391 qlcnic_83xx_free_mbx_intr(adapter); 2392 2393 err_out_disable_msi: 2394 qlcnic_teardown_intr(adapter); 2395 qlcnic_cancel_idc_work(adapter); 2396 qlcnic_clr_all_drv_state(adapter, 0); 2397 2398 err_out_free_hw: 2399 qlcnic_free_adapter_resources(adapter); 2400 2401 err_out_free_wq: 2402 destroy_workqueue(adapter->qlcnic_wq); 2403 2404 err_out_free_netdev: 2405 free_netdev(netdev); 2406 2407 err_out_iounmap: 2408 qlcnic_cleanup_pci_map(ahw); 2409 2410 err_out_free_hw_res: 2411 kfree(ahw); 2412 2413 err_out_free_res: 2414 pci_release_regions(pdev); 2415 2416 err_out_disable_pdev: 2417 pci_set_drvdata(pdev, NULL); 2418 pci_disable_device(pdev); 2419 return err; 2420 2421 err_out_maintenance_mode: 2422 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2423 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops); 2424 err = register_netdev(netdev); 2425 2426 if (err) { 2427 dev_err(&pdev->dev, "Failed to register net device\n"); 2428 qlcnic_clr_all_drv_state(adapter, 0); 2429 goto err_out_free_hw; 2430 } 2431 2432 pci_set_drvdata(pdev, adapter); 2433 qlcnic_add_sysfs(adapter); 2434 2435 return 0; 2436 } 2437 2438 static void qlcnic_remove(struct pci_dev *pdev) 2439 { 2440 struct qlcnic_adapter *adapter; 2441 struct net_device *netdev; 2442 struct qlcnic_hardware_context *ahw; 2443 2444 adapter = pci_get_drvdata(pdev); 2445 if (adapter == NULL) 2446 return; 2447 2448 netdev = adapter->netdev; 2449 qlcnic_sriov_pf_disable(adapter); 2450 2451 qlcnic_cancel_idc_work(adapter); 2452 ahw = adapter->ahw; 2453 2454 qlcnic_dcb_free(adapter); 2455 2456 unregister_netdev(netdev); 2457 qlcnic_sriov_cleanup(adapter); 2458 2459 if (qlcnic_83xx_check(adapter)) { 2460 qlcnic_83xx_register_nic_idc_func(adapter, 0); 2461 cancel_delayed_work_sync(&adapter->idc_aen_work); 2462 qlcnic_83xx_free_mbx_intr(adapter); 2463 qlcnic_83xx_detach_mailbox_work(adapter); 2464 qlcnic_83xx_free_mailbox(ahw->mailbox); 2465 kfree(ahw->fw_info); 2466 } 2467 2468 qlcnic_detach(adapter); 2469 2470 if (adapter->npars != NULL) 2471 kfree(adapter->npars); 2472 if (adapter->eswitch != NULL) 2473 kfree(adapter->eswitch); 2474 2475 if (qlcnic_82xx_check(adapter)) 2476 qlcnic_clr_all_drv_state(adapter, 0); 2477 2478 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2479 2480 qlcnic_free_lb_filters_mem(adapter); 2481 2482 qlcnic_teardown_intr(adapter); 2483 2484 qlcnic_remove_sysfs(adapter); 2485 2486 qlcnic_cleanup_pci_map(adapter->ahw); 2487 2488 qlcnic_release_firmware(adapter); 2489 2490 pci_disable_pcie_error_reporting(pdev); 2491 pci_release_regions(pdev); 2492 pci_disable_device(pdev); 2493 pci_set_drvdata(pdev, NULL); 2494 2495 if (adapter->qlcnic_wq) { 2496 destroy_workqueue(adapter->qlcnic_wq); 2497 adapter->qlcnic_wq = NULL; 2498 } 2499 2500 qlcnic_free_adapter_resources(adapter); 2501 kfree(ahw); 2502 free_netdev(netdev); 2503 } 2504 2505 static void qlcnic_shutdown(struct pci_dev *pdev) 2506 { 2507 if (__qlcnic_shutdown(pdev)) 2508 return; 2509 2510 pci_disable_device(pdev); 2511 } 2512 2513 #ifdef CONFIG_PM 2514 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2515 { 2516 int retval; 2517 2518 retval = __qlcnic_shutdown(pdev); 2519 if (retval) 2520 return retval; 2521 2522 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2523 return 0; 2524 } 2525 2526 static int qlcnic_resume(struct pci_dev *pdev) 2527 { 2528 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2529 int err; 2530 2531 err = pci_enable_device(pdev); 2532 if (err) 2533 return err; 2534 2535 pci_set_power_state(pdev, PCI_D0); 2536 pci_set_master(pdev); 2537 pci_restore_state(pdev); 2538 2539 return __qlcnic_resume(adapter); 2540 } 2541 #endif 2542 2543 static int qlcnic_open(struct net_device *netdev) 2544 { 2545 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2546 u32 state; 2547 int err; 2548 2549 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2550 if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) { 2551 netdev_err(netdev, "%s: Device is in FAILED state\n", __func__); 2552 2553 return -EIO; 2554 } 2555 2556 netif_carrier_off(netdev); 2557 2558 err = qlcnic_attach(adapter); 2559 if (err) 2560 return err; 2561 2562 err = __qlcnic_up(adapter, netdev); 2563 if (err) 2564 goto err_out; 2565 2566 netif_tx_start_all_queues(netdev); 2567 2568 return 0; 2569 2570 err_out: 2571 qlcnic_detach(adapter); 2572 return err; 2573 } 2574 2575 /* 2576 * qlcnic_close - Disables a network interface entry point 2577 */ 2578 static int qlcnic_close(struct net_device *netdev) 2579 { 2580 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2581 2582 __qlcnic_down(adapter, netdev); 2583 2584 return 0; 2585 } 2586 2587 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2588 { 2589 void *head; 2590 int i; 2591 struct net_device *netdev = adapter->netdev; 2592 u32 filter_size = 0; 2593 u16 act_pci_func = 0; 2594 2595 if (adapter->fhash.fmax && adapter->fhash.fhead) 2596 return; 2597 2598 act_pci_func = adapter->ahw->act_pci_func; 2599 spin_lock_init(&adapter->mac_learn_lock); 2600 spin_lock_init(&adapter->rx_mac_learn_lock); 2601 2602 if (qlcnic_82xx_check(adapter)) { 2603 filter_size = QLCNIC_LB_MAX_FILTERS; 2604 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2605 } else { 2606 filter_size = QLC_83XX_LB_MAX_FILTERS; 2607 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2608 } 2609 2610 head = kcalloc(adapter->fhash.fbucket_size, 2611 sizeof(struct hlist_head), GFP_ATOMIC); 2612 2613 if (!head) 2614 return; 2615 2616 adapter->fhash.fmax = (filter_size / act_pci_func); 2617 adapter->fhash.fhead = head; 2618 2619 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2620 act_pci_func, adapter->fhash.fmax); 2621 2622 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2623 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2624 2625 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2626 2627 head = kcalloc(adapter->rx_fhash.fbucket_size, 2628 sizeof(struct hlist_head), GFP_ATOMIC); 2629 2630 if (!head) 2631 return; 2632 2633 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2634 adapter->rx_fhash.fhead = head; 2635 2636 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2637 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2638 } 2639 2640 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2641 { 2642 if (adapter->fhash.fmax && adapter->fhash.fhead) 2643 kfree(adapter->fhash.fhead); 2644 2645 adapter->fhash.fhead = NULL; 2646 adapter->fhash.fmax = 0; 2647 2648 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 2649 kfree(adapter->rx_fhash.fhead); 2650 2651 adapter->rx_fhash.fmax = 0; 2652 adapter->rx_fhash.fhead = NULL; 2653 } 2654 2655 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2656 { 2657 struct net_device *netdev = adapter->netdev; 2658 u32 temp_state, temp_val, temp = 0; 2659 int rv = 0; 2660 2661 if (qlcnic_83xx_check(adapter)) 2662 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2663 2664 if (qlcnic_82xx_check(adapter)) 2665 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2666 2667 temp_state = qlcnic_get_temp_state(temp); 2668 temp_val = qlcnic_get_temp_val(temp); 2669 2670 if (temp_state == QLCNIC_TEMP_PANIC) { 2671 dev_err(&netdev->dev, 2672 "Device temperature %d degrees C exceeds" 2673 " maximum allowed. Hardware has been shut down.\n", 2674 temp_val); 2675 rv = 1; 2676 } else if (temp_state == QLCNIC_TEMP_WARN) { 2677 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2678 dev_err(&netdev->dev, 2679 "Device temperature %d degrees C " 2680 "exceeds operating range." 2681 " Immediate action needed.\n", 2682 temp_val); 2683 } 2684 } else { 2685 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2686 dev_info(&netdev->dev, 2687 "Device temperature is now %d degrees C" 2688 " in normal range.\n", temp_val); 2689 } 2690 } 2691 adapter->ahw->temp = temp_state; 2692 return rv; 2693 } 2694 2695 static void qlcnic_tx_timeout(struct net_device *netdev) 2696 { 2697 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2698 struct qlcnic_host_tx_ring *tx_ring; 2699 int ring; 2700 2701 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 2702 return; 2703 2704 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) { 2705 netdev_info(netdev, "Tx timeout, reset the adapter.\n"); 2706 if (qlcnic_82xx_check(adapter)) 2707 adapter->need_fw_reset = 1; 2708 else if (qlcnic_83xx_check(adapter)) 2709 qlcnic_83xx_idc_request_reset(adapter, 2710 QLCNIC_FORCE_FW_DUMP_KEY); 2711 } else { 2712 netdev_info(netdev, "Tx timeout, reset adapter context.\n"); 2713 if (qlcnic_82xx_check(adapter)) { 2714 for (ring = 0; ring < adapter->max_drv_tx_rings; 2715 ring++) { 2716 tx_ring = &adapter->tx_ring[ring]; 2717 dev_info(&netdev->dev, "ring=%d\n", ring); 2718 dev_info(&netdev->dev, "crb_intr_mask=%d\n", 2719 readl(tx_ring->crb_intr_mask)); 2720 dev_info(&netdev->dev, "producer=%d\n", 2721 readl(tx_ring->crb_cmd_producer)); 2722 dev_info(&netdev->dev, "sw_consumer = %d\n", 2723 tx_ring->sw_consumer); 2724 dev_info(&netdev->dev, "hw_consumer = %d\n", 2725 le32_to_cpu(*(tx_ring->hw_consumer))); 2726 dev_info(&netdev->dev, "xmit-on=%llu\n", 2727 tx_ring->xmit_on); 2728 dev_info(&netdev->dev, "xmit-off=%llu\n", 2729 tx_ring->xmit_off); 2730 } 2731 } 2732 adapter->ahw->reset_context = 1; 2733 } 2734 } 2735 2736 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 2737 { 2738 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2739 struct net_device_stats *stats = &netdev->stats; 2740 2741 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 2742 stats->tx_packets = adapter->stats.xmitfinished; 2743 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 2744 stats->tx_bytes = adapter->stats.txbytes; 2745 stats->rx_dropped = adapter->stats.rxdropped; 2746 stats->tx_dropped = adapter->stats.txdropped; 2747 2748 return stats; 2749 } 2750 2751 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 2752 { 2753 u32 status; 2754 2755 status = readl(adapter->isr_int_vec); 2756 2757 if (!(status & adapter->ahw->int_vec_bit)) 2758 return IRQ_NONE; 2759 2760 /* check interrupt state machine, to be sure */ 2761 status = readl(adapter->crb_int_state_reg); 2762 if (!ISR_LEGACY_INT_TRIGGERED(status)) 2763 return IRQ_NONE; 2764 2765 writel(0xffffffff, adapter->tgt_status_reg); 2766 /* read twice to ensure write is flushed */ 2767 readl(adapter->isr_int_vec); 2768 readl(adapter->isr_int_vec); 2769 2770 return IRQ_HANDLED; 2771 } 2772 2773 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 2774 { 2775 struct qlcnic_host_sds_ring *sds_ring = data; 2776 struct qlcnic_adapter *adapter = sds_ring->adapter; 2777 2778 if (adapter->flags & QLCNIC_MSIX_ENABLED) 2779 goto done; 2780 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 2781 writel(0xffffffff, adapter->tgt_status_reg); 2782 goto done; 2783 } 2784 2785 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2786 return IRQ_NONE; 2787 2788 done: 2789 adapter->ahw->diag_cnt++; 2790 qlcnic_enable_int(sds_ring); 2791 return IRQ_HANDLED; 2792 } 2793 2794 static irqreturn_t qlcnic_intr(int irq, void *data) 2795 { 2796 struct qlcnic_host_sds_ring *sds_ring = data; 2797 struct qlcnic_adapter *adapter = sds_ring->adapter; 2798 2799 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2800 return IRQ_NONE; 2801 2802 napi_schedule(&sds_ring->napi); 2803 2804 return IRQ_HANDLED; 2805 } 2806 2807 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 2808 { 2809 struct qlcnic_host_sds_ring *sds_ring = data; 2810 struct qlcnic_adapter *adapter = sds_ring->adapter; 2811 2812 /* clear interrupt */ 2813 writel(0xffffffff, adapter->tgt_status_reg); 2814 2815 napi_schedule(&sds_ring->napi); 2816 return IRQ_HANDLED; 2817 } 2818 2819 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 2820 { 2821 struct qlcnic_host_sds_ring *sds_ring = data; 2822 2823 napi_schedule(&sds_ring->napi); 2824 return IRQ_HANDLED; 2825 } 2826 2827 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 2828 { 2829 struct qlcnic_host_tx_ring *tx_ring = data; 2830 2831 napi_schedule(&tx_ring->napi); 2832 return IRQ_HANDLED; 2833 } 2834 2835 #ifdef CONFIG_NET_POLL_CONTROLLER 2836 static void qlcnic_poll_controller(struct net_device *netdev) 2837 { 2838 int ring; 2839 struct qlcnic_host_sds_ring *sds_ring; 2840 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2841 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2842 2843 disable_irq(adapter->irq); 2844 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 2845 sds_ring = &recv_ctx->sds_rings[ring]; 2846 qlcnic_intr(adapter->irq, sds_ring); 2847 } 2848 enable_irq(adapter->irq); 2849 } 2850 #endif 2851 2852 static void 2853 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 2854 { 2855 u32 val; 2856 2857 val = adapter->portnum & 0xf; 2858 val |= encoding << 7; 2859 val |= (jiffies - adapter->dev_rst_time) << 8; 2860 2861 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 2862 adapter->dev_rst_time = jiffies; 2863 } 2864 2865 static int 2866 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 2867 { 2868 u32 val; 2869 2870 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 2871 state != QLCNIC_DEV_NEED_QUISCENT); 2872 2873 if (qlcnic_api_lock(adapter)) 2874 return -EIO; 2875 2876 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2877 2878 if (state == QLCNIC_DEV_NEED_RESET) 2879 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2880 else if (state == QLCNIC_DEV_NEED_QUISCENT) 2881 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 2882 2883 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2884 2885 qlcnic_api_unlock(adapter); 2886 2887 return 0; 2888 } 2889 2890 static int 2891 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 2892 { 2893 u32 val; 2894 2895 if (qlcnic_api_lock(adapter)) 2896 return -EBUSY; 2897 2898 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2899 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2900 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2901 2902 qlcnic_api_unlock(adapter); 2903 2904 return 0; 2905 } 2906 2907 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 2908 { 2909 u32 val; 2910 2911 if (qlcnic_api_lock(adapter)) 2912 goto err; 2913 2914 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2915 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 2916 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2917 2918 if (failed) { 2919 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2920 QLCNIC_DEV_FAILED); 2921 dev_info(&adapter->pdev->dev, 2922 "Device state set to Failed. Please Reboot\n"); 2923 } else if (!(val & 0x11111111)) 2924 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2925 QLCNIC_DEV_COLD); 2926 2927 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2928 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2929 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2930 2931 qlcnic_api_unlock(adapter); 2932 err: 2933 adapter->fw_fail_cnt = 0; 2934 adapter->flags &= ~QLCNIC_FW_HANG; 2935 clear_bit(__QLCNIC_START_FW, &adapter->state); 2936 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2937 } 2938 2939 /* Grab api lock, before checking state */ 2940 static int 2941 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 2942 { 2943 int act, state, active_mask; 2944 struct qlcnic_hardware_context *ahw = adapter->ahw; 2945 2946 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2947 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2948 2949 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 2950 active_mask = (~(1 << (ahw->pci_func * 4))); 2951 act = act & active_mask; 2952 } 2953 2954 if (((state & 0x11111111) == (act & 0x11111111)) || 2955 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 2956 return 0; 2957 else 2958 return 1; 2959 } 2960 2961 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 2962 { 2963 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 2964 2965 if (val != QLCNIC_DRV_IDC_VER) { 2966 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 2967 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 2968 } 2969 2970 return 0; 2971 } 2972 2973 static int 2974 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 2975 { 2976 u32 val, prev_state; 2977 u8 dev_init_timeo = adapter->dev_init_timeo; 2978 u8 portnum = adapter->portnum; 2979 u8 ret; 2980 2981 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 2982 return 1; 2983 2984 if (qlcnic_api_lock(adapter)) 2985 return -1; 2986 2987 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2988 if (!(val & (1 << (portnum * 4)))) { 2989 QLC_DEV_SET_REF_CNT(val, portnum); 2990 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2991 } 2992 2993 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2994 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 2995 2996 switch (prev_state) { 2997 case QLCNIC_DEV_COLD: 2998 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2999 QLCNIC_DEV_INITIALIZING); 3000 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3001 QLCNIC_DRV_IDC_VER); 3002 qlcnic_idc_debug_info(adapter, 0); 3003 qlcnic_api_unlock(adapter); 3004 return 1; 3005 3006 case QLCNIC_DEV_READY: 3007 ret = qlcnic_check_idc_ver(adapter); 3008 qlcnic_api_unlock(adapter); 3009 return ret; 3010 3011 case QLCNIC_DEV_NEED_RESET: 3012 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3013 QLC_DEV_SET_RST_RDY(val, portnum); 3014 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3015 break; 3016 3017 case QLCNIC_DEV_NEED_QUISCENT: 3018 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3019 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3020 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3021 break; 3022 3023 case QLCNIC_DEV_FAILED: 3024 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3025 qlcnic_api_unlock(adapter); 3026 return -1; 3027 3028 case QLCNIC_DEV_INITIALIZING: 3029 case QLCNIC_DEV_QUISCENT: 3030 break; 3031 } 3032 3033 qlcnic_api_unlock(adapter); 3034 3035 do { 3036 msleep(1000); 3037 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3038 3039 if (prev_state == QLCNIC_DEV_QUISCENT) 3040 continue; 3041 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3042 3043 if (!dev_init_timeo) { 3044 dev_err(&adapter->pdev->dev, 3045 "Waiting for device to initialize timeout\n"); 3046 return -1; 3047 } 3048 3049 if (qlcnic_api_lock(adapter)) 3050 return -1; 3051 3052 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3053 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3054 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3055 3056 ret = qlcnic_check_idc_ver(adapter); 3057 qlcnic_api_unlock(adapter); 3058 3059 return ret; 3060 } 3061 3062 static void 3063 qlcnic_fwinit_work(struct work_struct *work) 3064 { 3065 struct qlcnic_adapter *adapter = container_of(work, 3066 struct qlcnic_adapter, fw_work.work); 3067 u32 dev_state = 0xf; 3068 u32 val; 3069 3070 if (qlcnic_api_lock(adapter)) 3071 goto err_ret; 3072 3073 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3074 if (dev_state == QLCNIC_DEV_QUISCENT || 3075 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3076 qlcnic_api_unlock(adapter); 3077 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3078 FW_POLL_DELAY * 2); 3079 return; 3080 } 3081 3082 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3083 qlcnic_api_unlock(adapter); 3084 goto wait_npar; 3085 } 3086 3087 if (dev_state == QLCNIC_DEV_INITIALIZING || 3088 dev_state == QLCNIC_DEV_READY) { 3089 dev_info(&adapter->pdev->dev, "Detected state change from " 3090 "DEV_NEED_RESET, skipping ack check\n"); 3091 goto skip_ack_check; 3092 } 3093 3094 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3095 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3096 adapter->reset_ack_timeo); 3097 goto skip_ack_check; 3098 } 3099 3100 if (!qlcnic_check_drv_state(adapter)) { 3101 skip_ack_check: 3102 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3103 3104 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3105 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3106 QLCNIC_DEV_INITIALIZING); 3107 set_bit(__QLCNIC_START_FW, &adapter->state); 3108 QLCDB(adapter, DRV, "Restarting fw\n"); 3109 qlcnic_idc_debug_info(adapter, 0); 3110 val = QLC_SHARED_REG_RD32(adapter, 3111 QLCNIC_CRB_DRV_STATE); 3112 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3113 QLC_SHARED_REG_WR32(adapter, 3114 QLCNIC_CRB_DRV_STATE, val); 3115 } 3116 3117 qlcnic_api_unlock(adapter); 3118 3119 rtnl_lock(); 3120 if (qlcnic_check_fw_dump_state(adapter) && 3121 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3122 QLCDB(adapter, DRV, "Take FW dump\n"); 3123 qlcnic_dump_fw(adapter); 3124 adapter->flags |= QLCNIC_FW_HANG; 3125 } 3126 rtnl_unlock(); 3127 3128 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3129 if (!adapter->nic_ops->start_firmware(adapter)) { 3130 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3131 adapter->fw_wait_cnt = 0; 3132 return; 3133 } 3134 goto err_ret; 3135 } 3136 3137 qlcnic_api_unlock(adapter); 3138 3139 wait_npar: 3140 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3141 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3142 3143 switch (dev_state) { 3144 case QLCNIC_DEV_READY: 3145 if (!qlcnic_start_firmware(adapter)) { 3146 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3147 adapter->fw_wait_cnt = 0; 3148 return; 3149 } 3150 case QLCNIC_DEV_FAILED: 3151 break; 3152 default: 3153 qlcnic_schedule_work(adapter, 3154 qlcnic_fwinit_work, FW_POLL_DELAY); 3155 return; 3156 } 3157 3158 err_ret: 3159 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3160 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3161 netif_device_attach(adapter->netdev); 3162 qlcnic_clr_all_drv_state(adapter, 0); 3163 } 3164 3165 static void 3166 qlcnic_detach_work(struct work_struct *work) 3167 { 3168 struct qlcnic_adapter *adapter = container_of(work, 3169 struct qlcnic_adapter, fw_work.work); 3170 struct net_device *netdev = adapter->netdev; 3171 u32 status; 3172 3173 netif_device_detach(netdev); 3174 3175 /* Dont grab rtnl lock during Quiscent mode */ 3176 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3177 if (netif_running(netdev)) 3178 __qlcnic_down(adapter, netdev); 3179 } else 3180 qlcnic_down(adapter, netdev); 3181 3182 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3183 3184 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3185 dev_err(&adapter->pdev->dev, 3186 "Detaching the device: peg halt status1=0x%x\n", 3187 status); 3188 3189 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3190 dev_err(&adapter->pdev->dev, 3191 "On board active cooling fan failed. " 3192 "Device has been halted.\n"); 3193 dev_err(&adapter->pdev->dev, 3194 "Replace the adapter.\n"); 3195 } 3196 3197 goto err_ret; 3198 } 3199 3200 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3201 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3202 adapter->ahw->temp); 3203 goto err_ret; 3204 } 3205 3206 /* Dont ack if this instance is the reset owner */ 3207 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3208 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3209 dev_err(&adapter->pdev->dev, 3210 "Failed to set driver state," 3211 "detaching the device.\n"); 3212 goto err_ret; 3213 } 3214 } 3215 3216 adapter->fw_wait_cnt = 0; 3217 3218 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3219 3220 return; 3221 3222 err_ret: 3223 netif_device_attach(netdev); 3224 qlcnic_clr_all_drv_state(adapter, 1); 3225 } 3226 3227 /*Transit NPAR state to NON Operational */ 3228 static void 3229 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3230 { 3231 u32 state; 3232 3233 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3234 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3235 return; 3236 3237 if (qlcnic_api_lock(adapter)) 3238 return; 3239 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3240 QLCNIC_DEV_NPAR_NON_OPER); 3241 qlcnic_api_unlock(adapter); 3242 } 3243 3244 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key) 3245 { 3246 u32 state, xg_val = 0, gb_val = 0; 3247 3248 qlcnic_xg_set_xg0_mask(xg_val); 3249 qlcnic_xg_set_xg1_mask(xg_val); 3250 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3251 qlcnic_gb_set_gb0_mask(gb_val); 3252 qlcnic_gb_set_gb1_mask(gb_val); 3253 qlcnic_gb_set_gb2_mask(gb_val); 3254 qlcnic_gb_set_gb3_mask(gb_val); 3255 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3256 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3257 " on all ports\n"); 3258 adapter->need_fw_reset = 1; 3259 3260 if (qlcnic_api_lock(adapter)) 3261 return; 3262 3263 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3264 if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) { 3265 netdev_err(adapter->netdev, "%s: Device is in FAILED state\n", 3266 __func__); 3267 qlcnic_api_unlock(adapter); 3268 3269 return; 3270 } 3271 3272 if (state == QLCNIC_DEV_READY) { 3273 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3274 QLCNIC_DEV_NEED_RESET); 3275 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3276 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3277 qlcnic_idc_debug_info(adapter, 0); 3278 } 3279 3280 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3281 QLCNIC_DEV_NPAR_NON_OPER); 3282 qlcnic_api_unlock(adapter); 3283 } 3284 3285 /* Transit to NPAR READY state from NPAR NOT READY state */ 3286 static void 3287 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3288 { 3289 if (qlcnic_api_lock(adapter)) 3290 return; 3291 3292 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3293 QLCNIC_DEV_NPAR_OPER); 3294 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3295 3296 qlcnic_api_unlock(adapter); 3297 } 3298 3299 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3300 work_func_t func, int delay) 3301 { 3302 if (test_bit(__QLCNIC_AER, &adapter->state)) 3303 return; 3304 3305 INIT_DELAYED_WORK(&adapter->fw_work, func); 3306 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3307 round_jiffies_relative(delay)); 3308 } 3309 3310 static void 3311 qlcnic_attach_work(struct work_struct *work) 3312 { 3313 struct qlcnic_adapter *adapter = container_of(work, 3314 struct qlcnic_adapter, fw_work.work); 3315 struct net_device *netdev = adapter->netdev; 3316 u32 npar_state; 3317 3318 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3319 npar_state = QLC_SHARED_REG_RD32(adapter, 3320 QLCNIC_CRB_DEV_NPAR_STATE); 3321 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3322 qlcnic_clr_all_drv_state(adapter, 0); 3323 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3324 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3325 FW_POLL_DELAY); 3326 else 3327 goto attach; 3328 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3329 return; 3330 } 3331 attach: 3332 qlcnic_dcb_get_info(adapter); 3333 3334 if (netif_running(netdev)) { 3335 if (qlcnic_up(adapter, netdev)) 3336 goto done; 3337 3338 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3339 } 3340 3341 done: 3342 netif_device_attach(netdev); 3343 adapter->fw_fail_cnt = 0; 3344 adapter->flags &= ~QLCNIC_FW_HANG; 3345 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3346 if (adapter->portnum == 0) 3347 qlcnic_set_drv_version(adapter); 3348 3349 if (!qlcnic_clr_drv_state(adapter)) 3350 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3351 FW_POLL_DELAY); 3352 } 3353 3354 static int 3355 qlcnic_check_health(struct qlcnic_adapter *adapter) 3356 { 3357 u32 state = 0, heartbeat; 3358 u32 peg_status; 3359 int err = 0; 3360 3361 if (qlcnic_check_temp(adapter)) 3362 goto detach; 3363 3364 if (adapter->need_fw_reset) 3365 qlcnic_dev_request_reset(adapter, 0); 3366 3367 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3368 if (state == QLCNIC_DEV_NEED_RESET) { 3369 qlcnic_set_npar_non_operational(adapter); 3370 adapter->need_fw_reset = 1; 3371 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3372 goto detach; 3373 3374 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3375 if (heartbeat != adapter->heartbeat) { 3376 adapter->heartbeat = heartbeat; 3377 adapter->fw_fail_cnt = 0; 3378 if (adapter->need_fw_reset) 3379 goto detach; 3380 3381 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) 3382 qlcnic_reset_hw_context(adapter); 3383 3384 return 0; 3385 } 3386 3387 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3388 return 0; 3389 3390 adapter->flags |= QLCNIC_FW_HANG; 3391 3392 qlcnic_dev_request_reset(adapter, 0); 3393 3394 if (qlcnic_auto_fw_reset) 3395 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3396 3397 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3398 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3399 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3400 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3401 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3402 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3403 "PEG_NET_4_PC: 0x%x\n", 3404 peg_status, 3405 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3406 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3407 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3408 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3409 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3410 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3411 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3412 dev_err(&adapter->pdev->dev, 3413 "Firmware aborted with error code 0x00006700. " 3414 "Device is being reset.\n"); 3415 detach: 3416 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3417 QLCNIC_DEV_NEED_RESET; 3418 3419 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3420 &adapter->state)) { 3421 3422 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3423 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3424 } 3425 3426 return 1; 3427 } 3428 3429 void qlcnic_fw_poll_work(struct work_struct *work) 3430 { 3431 struct qlcnic_adapter *adapter = container_of(work, 3432 struct qlcnic_adapter, fw_work.work); 3433 3434 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3435 goto reschedule; 3436 3437 3438 if (qlcnic_check_health(adapter)) 3439 return; 3440 3441 if (adapter->fhash.fnum) 3442 qlcnic_prune_lb_filters(adapter); 3443 3444 reschedule: 3445 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3446 } 3447 3448 static int qlcnic_is_first_func(struct pci_dev *pdev) 3449 { 3450 struct pci_dev *oth_pdev; 3451 int val = pdev->devfn; 3452 3453 while (val-- > 0) { 3454 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3455 (pdev->bus), pdev->bus->number, 3456 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3457 if (!oth_pdev) 3458 continue; 3459 3460 if (oth_pdev->current_state != PCI_D3cold) { 3461 pci_dev_put(oth_pdev); 3462 return 0; 3463 } 3464 pci_dev_put(oth_pdev); 3465 } 3466 return 1; 3467 } 3468 3469 static int qlcnic_attach_func(struct pci_dev *pdev) 3470 { 3471 int err, first_func; 3472 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3473 struct net_device *netdev = adapter->netdev; 3474 3475 pdev->error_state = pci_channel_io_normal; 3476 3477 err = pci_enable_device(pdev); 3478 if (err) 3479 return err; 3480 3481 pci_set_master(pdev); 3482 pci_restore_state(pdev); 3483 3484 first_func = qlcnic_is_first_func(pdev); 3485 3486 if (qlcnic_api_lock(adapter)) 3487 return -EINVAL; 3488 3489 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3490 adapter->need_fw_reset = 1; 3491 set_bit(__QLCNIC_START_FW, &adapter->state); 3492 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3493 QLCNIC_DEV_INITIALIZING); 3494 QLCDB(adapter, DRV, "Restarting fw\n"); 3495 } 3496 qlcnic_api_unlock(adapter); 3497 3498 err = qlcnic_start_firmware(adapter); 3499 if (err) 3500 return err; 3501 3502 qlcnic_clr_drv_state(adapter); 3503 kfree(adapter->msix_entries); 3504 adapter->msix_entries = NULL; 3505 err = qlcnic_setup_intr(adapter, 0, 0); 3506 3507 if (err) { 3508 kfree(adapter->msix_entries); 3509 netdev_err(netdev, "failed to setup interrupt\n"); 3510 return err; 3511 } 3512 3513 if (netif_running(netdev)) { 3514 err = qlcnic_attach(adapter); 3515 if (err) { 3516 qlcnic_clr_all_drv_state(adapter, 1); 3517 clear_bit(__QLCNIC_AER, &adapter->state); 3518 netif_device_attach(netdev); 3519 return err; 3520 } 3521 3522 err = qlcnic_up(adapter, netdev); 3523 if (err) 3524 goto done; 3525 3526 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3527 } 3528 done: 3529 netif_device_attach(netdev); 3530 return err; 3531 } 3532 3533 pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3534 pci_channel_state_t state) 3535 { 3536 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3537 struct net_device *netdev = adapter->netdev; 3538 3539 if (state == pci_channel_io_perm_failure) 3540 return PCI_ERS_RESULT_DISCONNECT; 3541 3542 if (state == pci_channel_io_normal) 3543 return PCI_ERS_RESULT_RECOVERED; 3544 3545 set_bit(__QLCNIC_AER, &adapter->state); 3546 netif_device_detach(netdev); 3547 3548 cancel_delayed_work_sync(&adapter->fw_work); 3549 3550 if (netif_running(netdev)) 3551 qlcnic_down(adapter, netdev); 3552 3553 qlcnic_detach(adapter); 3554 qlcnic_teardown_intr(adapter); 3555 3556 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3557 3558 pci_save_state(pdev); 3559 pci_disable_device(pdev); 3560 3561 return PCI_ERS_RESULT_NEED_RESET; 3562 } 3563 3564 pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3565 { 3566 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3567 PCI_ERS_RESULT_RECOVERED; 3568 } 3569 3570 void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3571 { 3572 u32 state; 3573 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3574 3575 pci_cleanup_aer_uncorrect_error_status(pdev); 3576 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3577 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3578 &adapter->state)) 3579 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3580 FW_POLL_DELAY); 3581 } 3582 3583 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3584 pci_channel_state_t state) 3585 { 3586 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3587 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3588 3589 if (hw_ops->io_error_detected) { 3590 return hw_ops->io_error_detected(pdev, state); 3591 } else { 3592 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3593 return PCI_ERS_RESULT_DISCONNECT; 3594 } 3595 } 3596 3597 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3598 { 3599 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3600 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3601 3602 if (hw_ops->io_slot_reset) { 3603 return hw_ops->io_slot_reset(pdev); 3604 } else { 3605 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3606 return PCI_ERS_RESULT_DISCONNECT; 3607 } 3608 } 3609 3610 static void qlcnic_io_resume(struct pci_dev *pdev) 3611 { 3612 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3613 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3614 3615 if (hw_ops->io_resume) 3616 hw_ops->io_resume(pdev); 3617 else 3618 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3619 } 3620 3621 3622 static int 3623 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3624 { 3625 int err; 3626 3627 err = qlcnic_can_start_firmware(adapter); 3628 if (err) 3629 return err; 3630 3631 err = qlcnic_check_npar_opertional(adapter); 3632 if (err) 3633 return err; 3634 3635 err = qlcnic_initialize_nic(adapter); 3636 if (err) 3637 return err; 3638 3639 qlcnic_check_options(adapter); 3640 3641 err = qlcnic_set_eswitch_port_config(adapter); 3642 if (err) 3643 return err; 3644 3645 adapter->need_fw_reset = 0; 3646 3647 return err; 3648 } 3649 3650 int qlcnic_validate_max_tx_rings(struct qlcnic_adapter *adapter, u32 txq) 3651 { 3652 struct net_device *netdev = adapter->netdev; 3653 u8 max_hw = QLCNIC_MAX_TX_RINGS; 3654 u32 max_allowed; 3655 3656 if (!qlcnic_use_msi_x && !qlcnic_use_msi) { 3657 netdev_err(netdev, "No Multi TX-Q support in INT-x mode\n"); 3658 return -EINVAL; 3659 } 3660 3661 if (!qlcnic_check_multi_tx(adapter)) { 3662 netdev_err(netdev, "No Multi TX-Q support\n"); 3663 return -EINVAL; 3664 } 3665 3666 if (txq > QLCNIC_MAX_TX_RINGS) { 3667 netdev_err(netdev, "Invalid ring count\n"); 3668 return -EINVAL; 3669 } 3670 3671 max_allowed = rounddown_pow_of_two(min_t(int, max_hw, 3672 num_online_cpus())); 3673 if ((txq > max_allowed) || !is_power_of_2(txq)) { 3674 if (!is_power_of_2(txq)) 3675 netdev_err(netdev, 3676 "TX queue should be a power of 2\n"); 3677 if (txq > num_online_cpus()) 3678 netdev_err(netdev, 3679 "Tx queue should not be higher than [%u], number of online CPUs in the system\n", 3680 num_online_cpus()); 3681 netdev_err(netdev, "Unable to configure %u Tx rings\n", txq); 3682 return -EINVAL; 3683 } 3684 3685 return 0; 3686 } 3687 3688 int qlcnic_validate_max_rss(struct qlcnic_adapter *adapter, 3689 __u32 val) 3690 { 3691 struct net_device *netdev = adapter->netdev; 3692 u8 max_hw = adapter->ahw->max_rx_ques; 3693 u32 max_allowed; 3694 3695 if (!qlcnic_use_msi_x && !qlcnic_use_msi) { 3696 netdev_err(netdev, "No RSS support in INT-x mode\n"); 3697 return -EINVAL; 3698 } 3699 3700 if (val > QLCNIC_MAX_SDS_RINGS) { 3701 netdev_err(netdev, "RSS value should not be higher than %u\n", 3702 QLCNIC_MAX_SDS_RINGS); 3703 return -EINVAL; 3704 } 3705 3706 max_allowed = rounddown_pow_of_two(min_t(int, max_hw, 3707 num_online_cpus())); 3708 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) { 3709 if (!is_power_of_2(val)) 3710 netdev_err(netdev, "RSS value should be a power of 2\n"); 3711 3712 if (val < 2) 3713 netdev_err(netdev, "RSS value should not be lower than 2\n"); 3714 3715 if (val > max_hw) 3716 netdev_err(netdev, 3717 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n", 3718 max_hw); 3719 3720 if (val > num_online_cpus()) 3721 netdev_err(netdev, 3722 "RSS value should not be higher than[%u], number of online CPUs in the system\n", 3723 num_online_cpus()); 3724 3725 netdev_err(netdev, "Unable to configure %u RSS rings\n", val); 3726 3727 return -EINVAL; 3728 } 3729 return 0; 3730 } 3731 3732 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, int txq) 3733 { 3734 int err; 3735 struct net_device *netdev = adapter->netdev; 3736 int num_msix; 3737 3738 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3739 return -EBUSY; 3740 3741 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x && 3742 !qlcnic_use_msi) { 3743 netdev_err(netdev, "No RSS support in INT-x mode\n"); 3744 return -EINVAL; 3745 } 3746 3747 netif_device_detach(netdev); 3748 if (netif_running(netdev)) 3749 __qlcnic_down(adapter, netdev); 3750 3751 qlcnic_detach(adapter); 3752 3753 if (qlcnic_82xx_check(adapter)) { 3754 if (txq != 0) 3755 adapter->max_drv_tx_rings = txq; 3756 3757 if (qlcnic_check_multi_tx(adapter) && 3758 (txq > adapter->max_drv_tx_rings)) 3759 num_msix = adapter->max_drv_tx_rings; 3760 else 3761 num_msix = data; 3762 } 3763 3764 if (qlcnic_83xx_check(adapter)) { 3765 qlcnic_83xx_free_mbx_intr(adapter); 3766 qlcnic_83xx_enable_mbx_poll(adapter); 3767 } 3768 3769 netif_set_real_num_tx_queues(netdev, adapter->max_drv_tx_rings); 3770 3771 qlcnic_teardown_intr(adapter); 3772 3773 err = qlcnic_setup_intr(adapter, data, txq); 3774 if (err) { 3775 kfree(adapter->msix_entries); 3776 netdev_err(netdev, "failed to setup interrupt\n"); 3777 return err; 3778 } 3779 3780 if (qlcnic_83xx_check(adapter)) { 3781 /* register for NIC IDC AEN Events */ 3782 qlcnic_83xx_register_nic_idc_func(adapter, 1); 3783 err = qlcnic_83xx_setup_mbx_intr(adapter); 3784 qlcnic_83xx_disable_mbx_poll(adapter); 3785 if (err) { 3786 dev_err(&adapter->pdev->dev, 3787 "failed to setup mbx interrupt\n"); 3788 goto done; 3789 } 3790 } 3791 3792 if (netif_running(netdev)) { 3793 err = qlcnic_attach(adapter); 3794 if (err) 3795 goto done; 3796 err = __qlcnic_up(adapter, netdev); 3797 if (err) 3798 goto done; 3799 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3800 } 3801 done: 3802 netif_device_attach(netdev); 3803 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3804 return err; 3805 } 3806 3807 #ifdef CONFIG_INET 3808 3809 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 3810 3811 static void 3812 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 3813 struct net_device *dev, unsigned long event) 3814 { 3815 struct in_device *indev; 3816 3817 indev = in_dev_get(dev); 3818 if (!indev) 3819 return; 3820 3821 for_ifa(indev) { 3822 switch (event) { 3823 case NETDEV_UP: 3824 qlcnic_config_ipaddr(adapter, 3825 ifa->ifa_address, QLCNIC_IP_UP); 3826 break; 3827 case NETDEV_DOWN: 3828 qlcnic_config_ipaddr(adapter, 3829 ifa->ifa_address, QLCNIC_IP_DOWN); 3830 break; 3831 default: 3832 break; 3833 } 3834 } endfor_ifa(indev); 3835 3836 in_dev_put(indev); 3837 } 3838 3839 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 3840 { 3841 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3842 struct net_device *dev; 3843 u16 vid; 3844 3845 qlcnic_config_indev_addr(adapter, netdev, event); 3846 3847 rcu_read_lock(); 3848 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 3849 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid); 3850 if (!dev) 3851 continue; 3852 qlcnic_config_indev_addr(adapter, dev, event); 3853 } 3854 rcu_read_unlock(); 3855 } 3856 3857 static int qlcnic_netdev_event(struct notifier_block *this, 3858 unsigned long event, void *ptr) 3859 { 3860 struct qlcnic_adapter *adapter; 3861 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 3862 3863 recheck: 3864 if (dev == NULL) 3865 goto done; 3866 3867 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3868 dev = vlan_dev_real_dev(dev); 3869 goto recheck; 3870 } 3871 3872 if (!is_qlcnic_netdev(dev)) 3873 goto done; 3874 3875 adapter = netdev_priv(dev); 3876 3877 if (!adapter) 3878 goto done; 3879 3880 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3881 goto done; 3882 3883 qlcnic_config_indev_addr(adapter, dev, event); 3884 done: 3885 return NOTIFY_DONE; 3886 } 3887 3888 static int 3889 qlcnic_inetaddr_event(struct notifier_block *this, 3890 unsigned long event, void *ptr) 3891 { 3892 struct qlcnic_adapter *adapter; 3893 struct net_device *dev; 3894 3895 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 3896 3897 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 3898 3899 recheck: 3900 if (dev == NULL) 3901 goto done; 3902 3903 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3904 dev = vlan_dev_real_dev(dev); 3905 goto recheck; 3906 } 3907 3908 if (!is_qlcnic_netdev(dev)) 3909 goto done; 3910 3911 adapter = netdev_priv(dev); 3912 3913 if (!adapter) 3914 goto done; 3915 3916 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3917 goto done; 3918 3919 switch (event) { 3920 case NETDEV_UP: 3921 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 3922 3923 break; 3924 case NETDEV_DOWN: 3925 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 3926 3927 break; 3928 default: 3929 break; 3930 } 3931 3932 done: 3933 return NOTIFY_DONE; 3934 } 3935 3936 static struct notifier_block qlcnic_netdev_cb = { 3937 .notifier_call = qlcnic_netdev_event, 3938 }; 3939 3940 static struct notifier_block qlcnic_inetaddr_cb = { 3941 .notifier_call = qlcnic_inetaddr_event, 3942 }; 3943 #else 3944 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 3945 { } 3946 #endif 3947 static const struct pci_error_handlers qlcnic_err_handler = { 3948 .error_detected = qlcnic_io_error_detected, 3949 .slot_reset = qlcnic_io_slot_reset, 3950 .resume = qlcnic_io_resume, 3951 }; 3952 3953 static struct pci_driver qlcnic_driver = { 3954 .name = qlcnic_driver_name, 3955 .id_table = qlcnic_pci_tbl, 3956 .probe = qlcnic_probe, 3957 .remove = qlcnic_remove, 3958 #ifdef CONFIG_PM 3959 .suspend = qlcnic_suspend, 3960 .resume = qlcnic_resume, 3961 #endif 3962 .shutdown = qlcnic_shutdown, 3963 .err_handler = &qlcnic_err_handler, 3964 #ifdef CONFIG_QLCNIC_SRIOV 3965 .sriov_configure = qlcnic_pci_sriov_configure, 3966 #endif 3967 3968 }; 3969 3970 static int __init qlcnic_init_module(void) 3971 { 3972 int ret; 3973 3974 printk(KERN_INFO "%s\n", qlcnic_driver_string); 3975 3976 #ifdef CONFIG_INET 3977 register_netdevice_notifier(&qlcnic_netdev_cb); 3978 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 3979 #endif 3980 3981 ret = pci_register_driver(&qlcnic_driver); 3982 if (ret) { 3983 #ifdef CONFIG_INET 3984 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3985 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3986 #endif 3987 } 3988 3989 return ret; 3990 } 3991 3992 module_init(qlcnic_init_module); 3993 3994 static void __exit qlcnic_exit_module(void) 3995 { 3996 pci_unregister_driver(&qlcnic_driver); 3997 3998 #ifdef CONFIG_INET 3999 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4000 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4001 #endif 4002 } 4003 4004 module_exit(qlcnic_exit_module); 4005