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 } 1135 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1136 adapter->ahw->max_mtu = nic_info.max_mtu; 1137 1138 /* Disable NPAR for 83XX */ 1139 if (qlcnic_83xx_check(adapter)) 1140 return err; 1141 1142 if (adapter->ahw->capabilities & BIT_6) 1143 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1144 else 1145 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1146 1147 return err; 1148 } 1149 1150 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1151 struct qlcnic_esw_func_cfg *esw_cfg) 1152 { 1153 if (esw_cfg->discard_tagged) 1154 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1155 else 1156 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1157 1158 if (esw_cfg->vlan_id) { 1159 adapter->rx_pvid = esw_cfg->vlan_id; 1160 adapter->tx_pvid = esw_cfg->vlan_id; 1161 } else { 1162 adapter->rx_pvid = 0; 1163 adapter->tx_pvid = 0; 1164 } 1165 } 1166 1167 static int 1168 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1169 { 1170 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1171 int err; 1172 1173 if (qlcnic_sriov_vf_check(adapter)) { 1174 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1175 if (err) { 1176 netdev_err(netdev, 1177 "Cannot add VLAN filter for VLAN id %d, err=%d", 1178 vid, err); 1179 return err; 1180 } 1181 } 1182 1183 set_bit(vid, adapter->vlans); 1184 return 0; 1185 } 1186 1187 static int 1188 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1189 { 1190 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1191 int err; 1192 1193 if (qlcnic_sriov_vf_check(adapter)) { 1194 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1195 if (err) { 1196 netdev_err(netdev, 1197 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1198 vid, err); 1199 return err; 1200 } 1201 } 1202 1203 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1204 clear_bit(vid, adapter->vlans); 1205 return 0; 1206 } 1207 1208 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1209 struct qlcnic_esw_func_cfg *esw_cfg) 1210 { 1211 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1212 QLCNIC_PROMISC_DISABLED); 1213 1214 if (esw_cfg->mac_anti_spoof) 1215 adapter->flags |= QLCNIC_MACSPOOF; 1216 1217 if (!esw_cfg->mac_override) 1218 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1219 1220 if (!esw_cfg->promisc_mode) 1221 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1222 } 1223 1224 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1225 { 1226 struct qlcnic_esw_func_cfg esw_cfg; 1227 1228 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1229 return 0; 1230 1231 esw_cfg.pci_func = adapter->ahw->pci_func; 1232 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1233 return -EIO; 1234 qlcnic_set_vlan_config(adapter, &esw_cfg); 1235 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1236 qlcnic_set_netdev_features(adapter, &esw_cfg); 1237 1238 return 0; 1239 } 1240 1241 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1242 struct qlcnic_esw_func_cfg *esw_cfg) 1243 { 1244 struct net_device *netdev = adapter->netdev; 1245 1246 if (qlcnic_83xx_check(adapter)) 1247 return; 1248 1249 adapter->offload_flags = esw_cfg->offload_flags; 1250 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1251 netdev_update_features(netdev); 1252 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1253 } 1254 1255 static int 1256 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1257 { 1258 u32 op_mode, priv_level; 1259 int err = 0; 1260 1261 err = qlcnic_initialize_nic(adapter); 1262 if (err) 1263 return err; 1264 1265 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1266 return 0; 1267 1268 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1269 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1270 1271 if (op_mode == QLC_DEV_DRV_DEFAULT) 1272 priv_level = QLCNIC_MGMT_FUNC; 1273 else 1274 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1275 1276 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1277 if (priv_level == QLCNIC_MGMT_FUNC) { 1278 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1279 err = qlcnic_init_pci_info(adapter); 1280 if (err) 1281 return err; 1282 /* Set privilege level for other functions */ 1283 qlcnic_set_function_modes(adapter); 1284 dev_info(&adapter->pdev->dev, 1285 "HAL Version: %d, Management function\n", 1286 adapter->ahw->fw_hal_version); 1287 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1288 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1289 dev_info(&adapter->pdev->dev, 1290 "HAL Version: %d, Privileged function\n", 1291 adapter->ahw->fw_hal_version); 1292 } 1293 } 1294 1295 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1296 1297 return err; 1298 } 1299 1300 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1301 { 1302 struct qlcnic_esw_func_cfg esw_cfg; 1303 struct qlcnic_npar_info *npar; 1304 u8 i; 1305 1306 if (adapter->need_fw_reset) 1307 return 0; 1308 1309 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1310 if (!adapter->npars[i].eswitch_status) 1311 continue; 1312 1313 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1314 esw_cfg.pci_func = adapter->npars[i].pci_func; 1315 esw_cfg.mac_override = BIT_0; 1316 esw_cfg.promisc_mode = BIT_0; 1317 if (qlcnic_82xx_check(adapter)) { 1318 esw_cfg.offload_flags = BIT_0; 1319 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1320 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1321 } 1322 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1323 return -EIO; 1324 npar = &adapter->npars[i]; 1325 npar->pvid = esw_cfg.vlan_id; 1326 npar->mac_override = esw_cfg.mac_override; 1327 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1328 npar->discard_tagged = esw_cfg.discard_tagged; 1329 npar->promisc_mode = esw_cfg.promisc_mode; 1330 npar->offload_flags = esw_cfg.offload_flags; 1331 } 1332 1333 return 0; 1334 } 1335 1336 1337 static int 1338 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1339 struct qlcnic_npar_info *npar, int pci_func) 1340 { 1341 struct qlcnic_esw_func_cfg esw_cfg; 1342 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1343 esw_cfg.pci_func = pci_func; 1344 esw_cfg.vlan_id = npar->pvid; 1345 esw_cfg.mac_override = npar->mac_override; 1346 esw_cfg.discard_tagged = npar->discard_tagged; 1347 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1348 esw_cfg.offload_flags = npar->offload_flags; 1349 esw_cfg.promisc_mode = npar->promisc_mode; 1350 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1351 return -EIO; 1352 1353 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1354 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1355 return -EIO; 1356 1357 return 0; 1358 } 1359 1360 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1361 { 1362 int i, err; 1363 struct qlcnic_npar_info *npar; 1364 struct qlcnic_info nic_info; 1365 u8 pci_func; 1366 1367 if (qlcnic_82xx_check(adapter)) 1368 if (!adapter->need_fw_reset) 1369 return 0; 1370 1371 /* Set the NPAR config data after FW reset */ 1372 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1373 npar = &adapter->npars[i]; 1374 pci_func = npar->pci_func; 1375 if (!adapter->npars[i].eswitch_status) 1376 continue; 1377 1378 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1379 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1380 if (err) 1381 return err; 1382 nic_info.min_tx_bw = npar->min_bw; 1383 nic_info.max_tx_bw = npar->max_bw; 1384 err = qlcnic_set_nic_info(adapter, &nic_info); 1385 if (err) 1386 return err; 1387 1388 if (npar->enable_pm) { 1389 err = qlcnic_config_port_mirroring(adapter, 1390 npar->dest_npar, 1, 1391 pci_func); 1392 if (err) 1393 return err; 1394 } 1395 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1396 if (err) 1397 return err; 1398 } 1399 return 0; 1400 } 1401 1402 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1403 { 1404 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1405 u32 npar_state; 1406 1407 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1408 return 0; 1409 1410 npar_state = QLC_SHARED_REG_RD32(adapter, 1411 QLCNIC_CRB_DEV_NPAR_STATE); 1412 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1413 msleep(1000); 1414 npar_state = QLC_SHARED_REG_RD32(adapter, 1415 QLCNIC_CRB_DEV_NPAR_STATE); 1416 } 1417 if (!npar_opt_timeo) { 1418 dev_err(&adapter->pdev->dev, 1419 "Waiting for NPAR state to operational timeout\n"); 1420 return -EIO; 1421 } 1422 return 0; 1423 } 1424 1425 static int 1426 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1427 { 1428 int err; 1429 1430 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1431 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1432 return 0; 1433 1434 err = qlcnic_set_default_offload_settings(adapter); 1435 if (err) 1436 return err; 1437 1438 err = qlcnic_reset_npar_config(adapter); 1439 if (err) 1440 return err; 1441 1442 qlcnic_dev_set_npar_ready(adapter); 1443 1444 return err; 1445 } 1446 1447 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1448 { 1449 int err; 1450 1451 err = qlcnic_can_start_firmware(adapter); 1452 if (err < 0) 1453 return err; 1454 else if (!err) 1455 goto check_fw_status; 1456 1457 if (qlcnic_load_fw_file) 1458 qlcnic_request_firmware(adapter); 1459 else { 1460 err = qlcnic_check_flash_fw_ver(adapter); 1461 if (err) 1462 goto err_out; 1463 1464 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1465 } 1466 1467 err = qlcnic_need_fw_reset(adapter); 1468 if (err == 0) 1469 goto check_fw_status; 1470 1471 err = qlcnic_pinit_from_rom(adapter); 1472 if (err) 1473 goto err_out; 1474 1475 err = qlcnic_load_firmware(adapter); 1476 if (err) 1477 goto err_out; 1478 1479 qlcnic_release_firmware(adapter); 1480 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1481 1482 check_fw_status: 1483 err = qlcnic_check_fw_status(adapter); 1484 if (err) 1485 goto err_out; 1486 1487 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1488 qlcnic_idc_debug_info(adapter, 1); 1489 err = qlcnic_check_eswitch_mode(adapter); 1490 if (err) { 1491 dev_err(&adapter->pdev->dev, 1492 "Memory allocation failed for eswitch\n"); 1493 goto err_out; 1494 } 1495 err = qlcnic_set_mgmt_operations(adapter); 1496 if (err) 1497 goto err_out; 1498 1499 qlcnic_check_options(adapter); 1500 adapter->need_fw_reset = 0; 1501 1502 qlcnic_release_firmware(adapter); 1503 return 0; 1504 1505 err_out: 1506 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1507 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1508 1509 qlcnic_release_firmware(adapter); 1510 return err; 1511 } 1512 1513 static int 1514 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1515 { 1516 irq_handler_t handler; 1517 struct qlcnic_host_sds_ring *sds_ring; 1518 struct qlcnic_host_tx_ring *tx_ring; 1519 int err, ring, num_sds_rings; 1520 1521 unsigned long flags = 0; 1522 struct net_device *netdev = adapter->netdev; 1523 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1524 1525 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1526 if (qlcnic_82xx_check(adapter)) 1527 handler = qlcnic_tmp_intr; 1528 else 1529 handler = qlcnic_83xx_tmp_intr; 1530 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1531 flags |= IRQF_SHARED; 1532 1533 } else { 1534 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1535 handler = qlcnic_msix_intr; 1536 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1537 handler = qlcnic_msi_intr; 1538 else { 1539 flags |= IRQF_SHARED; 1540 if (qlcnic_82xx_check(adapter)) 1541 handler = qlcnic_intr; 1542 else 1543 handler = qlcnic_83xx_intr; 1544 } 1545 } 1546 adapter->irq = netdev->irq; 1547 1548 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1549 if (qlcnic_82xx_check(adapter) || 1550 (qlcnic_83xx_check(adapter) && 1551 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1552 num_sds_rings = adapter->max_sds_rings; 1553 for (ring = 0; ring < num_sds_rings; ring++) { 1554 sds_ring = &recv_ctx->sds_rings[ring]; 1555 if (qlcnic_82xx_check(adapter) && 1556 !qlcnic_check_multi_tx(adapter) && 1557 (ring == (num_sds_rings - 1))) { 1558 if (!(adapter->flags & 1559 QLCNIC_MSIX_ENABLED)) 1560 snprintf(sds_ring->name, 1561 sizeof(sds_ring->name), 1562 "qlcnic"); 1563 else 1564 snprintf(sds_ring->name, 1565 sizeof(sds_ring->name), 1566 "%s-tx-0-rx-%d", 1567 netdev->name, ring); 1568 } else { 1569 snprintf(sds_ring->name, 1570 sizeof(sds_ring->name), 1571 "%s-rx-%d", 1572 netdev->name, ring); 1573 } 1574 err = request_irq(sds_ring->irq, handler, flags, 1575 sds_ring->name, sds_ring); 1576 if (err) 1577 return err; 1578 } 1579 } 1580 if ((qlcnic_82xx_check(adapter) && 1581 qlcnic_check_multi_tx(adapter)) || 1582 (qlcnic_83xx_check(adapter) && 1583 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1584 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1585 handler = qlcnic_msix_tx_intr; 1586 for (ring = 0; ring < adapter->max_drv_tx_rings; 1587 ring++) { 1588 tx_ring = &adapter->tx_ring[ring]; 1589 snprintf(tx_ring->name, sizeof(tx_ring->name), 1590 "%s-tx-%d", netdev->name, ring); 1591 err = request_irq(tx_ring->irq, handler, flags, 1592 tx_ring->name, tx_ring); 1593 if (err) 1594 return err; 1595 } 1596 } 1597 } 1598 return 0; 1599 } 1600 1601 static void 1602 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1603 { 1604 int ring; 1605 struct qlcnic_host_sds_ring *sds_ring; 1606 struct qlcnic_host_tx_ring *tx_ring; 1607 1608 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1609 1610 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1611 if (qlcnic_82xx_check(adapter) || 1612 (qlcnic_83xx_check(adapter) && 1613 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1614 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1615 sds_ring = &recv_ctx->sds_rings[ring]; 1616 free_irq(sds_ring->irq, sds_ring); 1617 } 1618 } 1619 if ((qlcnic_83xx_check(adapter) && 1620 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1621 (qlcnic_82xx_check(adapter) && 1622 qlcnic_check_multi_tx(adapter))) { 1623 for (ring = 0; ring < adapter->max_drv_tx_rings; 1624 ring++) { 1625 tx_ring = &adapter->tx_ring[ring]; 1626 if (tx_ring->irq) 1627 free_irq(tx_ring->irq, tx_ring); 1628 } 1629 } 1630 } 1631 } 1632 1633 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1634 { 1635 u32 capab = 0; 1636 1637 if (qlcnic_82xx_check(adapter)) { 1638 if (adapter->ahw->extra_capability[0] & 1639 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1640 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1641 } else { 1642 capab = adapter->ahw->capabilities; 1643 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1644 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1645 } 1646 } 1647 1648 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1649 { 1650 int ring; 1651 struct qlcnic_host_rds_ring *rds_ring; 1652 1653 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1654 return -EIO; 1655 1656 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1657 return 0; 1658 1659 if (qlcnic_set_eswitch_port_config(adapter)) 1660 return -EIO; 1661 1662 qlcnic_get_lro_mss_capability(adapter); 1663 1664 if (qlcnic_fw_create_ctx(adapter)) 1665 return -EIO; 1666 1667 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1668 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1669 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1670 } 1671 1672 qlcnic_set_multi(netdev); 1673 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1674 1675 adapter->ahw->linkup = 0; 1676 1677 if (adapter->max_sds_rings > 1) 1678 qlcnic_config_rss(adapter, 1); 1679 1680 qlcnic_config_intr_coalesce(adapter); 1681 1682 if (netdev->features & NETIF_F_LRO) 1683 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1684 1685 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1686 qlcnic_napi_enable(adapter); 1687 1688 qlcnic_linkevent_request(adapter, 1); 1689 1690 adapter->ahw->reset_context = 0; 1691 return 0; 1692 } 1693 1694 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1695 { 1696 int err = 0; 1697 1698 rtnl_lock(); 1699 if (netif_running(netdev)) 1700 err = __qlcnic_up(adapter, netdev); 1701 rtnl_unlock(); 1702 1703 return err; 1704 } 1705 1706 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1707 { 1708 int ring; 1709 1710 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1711 return; 1712 1713 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1714 return; 1715 1716 if (qlcnic_sriov_vf_check(adapter)) 1717 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1718 smp_mb(); 1719 netif_carrier_off(netdev); 1720 adapter->ahw->linkup = 0; 1721 netif_tx_disable(netdev); 1722 1723 qlcnic_free_mac_list(adapter); 1724 1725 if (adapter->fhash.fnum) 1726 qlcnic_delete_lb_filters(adapter); 1727 1728 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1729 1730 qlcnic_napi_disable(adapter); 1731 1732 qlcnic_fw_destroy_ctx(adapter); 1733 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1734 1735 qlcnic_reset_rx_buffers_list(adapter); 1736 1737 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) 1738 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1739 } 1740 1741 /* Usage: During suspend and firmware recovery module */ 1742 1743 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1744 { 1745 rtnl_lock(); 1746 if (netif_running(netdev)) 1747 __qlcnic_down(adapter, netdev); 1748 rtnl_unlock(); 1749 1750 } 1751 1752 int 1753 qlcnic_attach(struct qlcnic_adapter *adapter) 1754 { 1755 struct net_device *netdev = adapter->netdev; 1756 struct pci_dev *pdev = adapter->pdev; 1757 int err; 1758 1759 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1760 return 0; 1761 1762 err = qlcnic_napi_add(adapter, netdev); 1763 if (err) 1764 return err; 1765 1766 err = qlcnic_alloc_sw_resources(adapter); 1767 if (err) { 1768 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1769 goto err_out_napi_del; 1770 } 1771 1772 err = qlcnic_alloc_hw_resources(adapter); 1773 if (err) { 1774 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1775 goto err_out_free_sw; 1776 } 1777 1778 err = qlcnic_request_irq(adapter); 1779 if (err) { 1780 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1781 goto err_out_free_hw; 1782 } 1783 1784 qlcnic_create_sysfs_entries(adapter); 1785 1786 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 1787 return 0; 1788 1789 err_out_free_hw: 1790 qlcnic_free_hw_resources(adapter); 1791 err_out_free_sw: 1792 qlcnic_free_sw_resources(adapter); 1793 err_out_napi_del: 1794 qlcnic_napi_del(adapter); 1795 return err; 1796 } 1797 1798 void qlcnic_detach(struct qlcnic_adapter *adapter) 1799 { 1800 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1801 return; 1802 1803 qlcnic_remove_sysfs_entries(adapter); 1804 1805 qlcnic_free_hw_resources(adapter); 1806 qlcnic_release_rx_buffers(adapter); 1807 qlcnic_free_irq(adapter); 1808 qlcnic_napi_del(adapter); 1809 qlcnic_free_sw_resources(adapter); 1810 1811 adapter->is_up = 0; 1812 } 1813 1814 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings) 1815 { 1816 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1817 struct qlcnic_host_sds_ring *sds_ring; 1818 int max_tx_rings = adapter->max_drv_tx_rings; 1819 int ring; 1820 1821 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 1822 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1823 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1824 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1825 qlcnic_disable_int(sds_ring); 1826 } 1827 } 1828 1829 qlcnic_fw_destroy_ctx(adapter); 1830 1831 qlcnic_detach(adapter); 1832 1833 adapter->ahw->diag_test = 0; 1834 adapter->max_sds_rings = max_sds_rings; 1835 adapter->max_drv_tx_rings = max_tx_rings; 1836 1837 if (qlcnic_attach(adapter)) 1838 goto out; 1839 1840 if (netif_running(netdev)) 1841 __qlcnic_up(adapter, netdev); 1842 out: 1843 netif_device_attach(netdev); 1844 } 1845 1846 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 1847 { 1848 struct qlcnic_hardware_context *ahw = adapter->ahw; 1849 int err = 0; 1850 1851 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 1852 GFP_KERNEL); 1853 if (!adapter->recv_ctx) { 1854 err = -ENOMEM; 1855 goto err_out; 1856 } 1857 /* Initialize interrupt coalesce parameters */ 1858 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1859 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1860 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1861 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1862 if (qlcnic_83xx_check(adapter)) { 1863 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1864 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1865 } 1866 /* clear stats */ 1867 memset(&adapter->stats, 0, sizeof(adapter->stats)); 1868 err_out: 1869 return err; 1870 } 1871 1872 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 1873 { 1874 kfree(adapter->recv_ctx); 1875 adapter->recv_ctx = NULL; 1876 1877 if (adapter->ahw->fw_dump.tmpl_hdr) { 1878 vfree(adapter->ahw->fw_dump.tmpl_hdr); 1879 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1880 } 1881 1882 kfree(adapter->ahw->reset.buff); 1883 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1884 } 1885 1886 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 1887 { 1888 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1889 struct qlcnic_host_sds_ring *sds_ring; 1890 struct qlcnic_host_rds_ring *rds_ring; 1891 int ring; 1892 int ret; 1893 1894 netif_device_detach(netdev); 1895 1896 if (netif_running(netdev)) 1897 __qlcnic_down(adapter, netdev); 1898 1899 qlcnic_detach(adapter); 1900 1901 adapter->max_sds_rings = 1; 1902 adapter->ahw->diag_test = test; 1903 adapter->ahw->linkup = 0; 1904 adapter->max_drv_tx_rings = 1; 1905 1906 ret = qlcnic_attach(adapter); 1907 if (ret) { 1908 netif_device_attach(netdev); 1909 return ret; 1910 } 1911 1912 ret = qlcnic_fw_create_ctx(adapter); 1913 if (ret) { 1914 qlcnic_detach(adapter); 1915 netif_device_attach(netdev); 1916 return ret; 1917 } 1918 1919 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1920 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1921 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1922 } 1923 1924 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1925 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 1926 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1927 qlcnic_enable_int(sds_ring); 1928 } 1929 } 1930 1931 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 1932 adapter->ahw->loopback_state = 0; 1933 qlcnic_linkevent_request(adapter, 1); 1934 } 1935 1936 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1937 1938 return 0; 1939 } 1940 1941 /* Reset context in hardware only */ 1942 static int 1943 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 1944 { 1945 struct net_device *netdev = adapter->netdev; 1946 1947 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1948 return -EBUSY; 1949 1950 netif_device_detach(netdev); 1951 1952 qlcnic_down(adapter, netdev); 1953 1954 qlcnic_up(adapter, netdev); 1955 1956 netif_device_attach(netdev); 1957 1958 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1959 dev_err(&adapter->pdev->dev, "%s:\n", __func__); 1960 return 0; 1961 } 1962 1963 int 1964 qlcnic_reset_context(struct qlcnic_adapter *adapter) 1965 { 1966 int err = 0; 1967 struct net_device *netdev = adapter->netdev; 1968 1969 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1970 return -EBUSY; 1971 1972 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 1973 1974 netif_device_detach(netdev); 1975 1976 if (netif_running(netdev)) 1977 __qlcnic_down(adapter, netdev); 1978 1979 qlcnic_detach(adapter); 1980 1981 if (netif_running(netdev)) { 1982 err = qlcnic_attach(adapter); 1983 if (!err) { 1984 __qlcnic_up(adapter, netdev); 1985 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 1986 } 1987 } 1988 1989 netif_device_attach(netdev); 1990 } 1991 1992 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1993 return err; 1994 } 1995 1996 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 1997 { 1998 struct qlcnic_hardware_context *ahw = adapter->ahw; 1999 u16 act_pci_fn = ahw->act_pci_func; 2000 u16 count; 2001 2002 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2003 if (act_pci_fn <= 2) 2004 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2005 act_pci_fn; 2006 else 2007 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2008 act_pci_fn; 2009 ahw->max_uc_count = count; 2010 } 2011 2012 int 2013 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2014 int pci_using_dac) 2015 { 2016 int err; 2017 struct pci_dev *pdev = adapter->pdev; 2018 2019 adapter->rx_csum = 1; 2020 adapter->ahw->mc_enabled = 0; 2021 qlcnic_set_mac_filter_count(adapter); 2022 2023 netdev->netdev_ops = &qlcnic_netdev_ops; 2024 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2025 2026 qlcnic_change_mtu(netdev, netdev->mtu); 2027 2028 if (qlcnic_sriov_vf_check(adapter)) 2029 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops); 2030 else 2031 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); 2032 2033 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2034 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2035 NETIF_F_HW_VLAN_CTAG_RX); 2036 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2037 NETIF_F_IPV6_CSUM); 2038 2039 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2040 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2041 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2042 } 2043 2044 if (pci_using_dac) { 2045 netdev->features |= NETIF_F_HIGHDMA; 2046 netdev->vlan_features |= NETIF_F_HIGHDMA; 2047 } 2048 2049 if (qlcnic_vlan_tx_check(adapter)) 2050 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2051 2052 if (qlcnic_sriov_vf_check(adapter)) 2053 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2054 2055 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2056 netdev->features |= NETIF_F_LRO; 2057 2058 netdev->hw_features = netdev->features; 2059 netdev->priv_flags |= IFF_UNICAST_FLT; 2060 netdev->irq = adapter->msix_entries[0].vector; 2061 2062 err = qlcnic_set_real_num_queues(adapter, netdev); 2063 if (err) 2064 return err; 2065 2066 err = register_netdev(netdev); 2067 if (err) { 2068 dev_err(&pdev->dev, "failed to register net device\n"); 2069 return err; 2070 } 2071 2072 qlcnic_dcb_init_dcbnl_ops(adapter); 2073 2074 return 0; 2075 } 2076 2077 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2078 { 2079 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2080 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2081 *pci_using_dac = 1; 2082 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2083 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2084 *pci_using_dac = 0; 2085 else { 2086 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2087 return -EIO; 2088 } 2089 2090 return 0; 2091 } 2092 2093 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2094 { 2095 int ring; 2096 struct qlcnic_host_tx_ring *tx_ring; 2097 2098 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 2099 tx_ring = &adapter->tx_ring[ring]; 2100 if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 2101 vfree(tx_ring->cmd_buf_arr); 2102 tx_ring->cmd_buf_arr = NULL; 2103 } 2104 } 2105 if (adapter->tx_ring != NULL) 2106 kfree(adapter->tx_ring); 2107 } 2108 2109 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2110 struct net_device *netdev) 2111 { 2112 int ring, vector, index; 2113 struct qlcnic_host_tx_ring *tx_ring; 2114 struct qlcnic_cmd_buffer *cmd_buf_arr; 2115 2116 tx_ring = kcalloc(adapter->max_drv_tx_rings, 2117 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2118 if (tx_ring == NULL) 2119 return -ENOMEM; 2120 2121 adapter->tx_ring = tx_ring; 2122 2123 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 2124 tx_ring = &adapter->tx_ring[ring]; 2125 tx_ring->num_desc = adapter->num_txd; 2126 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2127 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2128 if (cmd_buf_arr == NULL) { 2129 qlcnic_free_tx_rings(adapter); 2130 return -ENOMEM; 2131 } 2132 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 2133 tx_ring->cmd_buf_arr = cmd_buf_arr; 2134 } 2135 2136 if (qlcnic_83xx_check(adapter) || 2137 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2138 for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) { 2139 tx_ring = &adapter->tx_ring[ring]; 2140 tx_ring->adapter = adapter; 2141 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2142 index = adapter->max_sds_rings + ring; 2143 vector = adapter->msix_entries[index].vector; 2144 tx_ring->irq = vector; 2145 } 2146 } 2147 } 2148 2149 return 0; 2150 } 2151 2152 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2153 { 2154 struct qlcnic_hardware_context *ahw = adapter->ahw; 2155 u32 fw_cmd = 0; 2156 2157 if (qlcnic_82xx_check(adapter)) 2158 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2159 else if (qlcnic_83xx_check(adapter)) 2160 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2161 2162 if ((ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) && 2163 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)) 2164 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2165 } 2166 2167 static int qlcnic_register_dcb(struct qlcnic_adapter *adapter) 2168 { 2169 return __qlcnic_register_dcb(adapter); 2170 } 2171 2172 void qlcnic_clear_dcb_ops(struct qlcnic_adapter *adapter) 2173 { 2174 kfree(adapter->dcb); 2175 adapter->dcb = NULL; 2176 } 2177 2178 static int 2179 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2180 { 2181 struct net_device *netdev = NULL; 2182 struct qlcnic_adapter *adapter = NULL; 2183 struct qlcnic_hardware_context *ahw; 2184 int err, pci_using_dac = -1; 2185 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2186 2187 if (pdev->is_virtfn) 2188 return -ENODEV; 2189 2190 err = pci_enable_device(pdev); 2191 if (err) 2192 return err; 2193 2194 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2195 err = -ENODEV; 2196 goto err_out_disable_pdev; 2197 } 2198 2199 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2200 if (err) 2201 goto err_out_disable_pdev; 2202 2203 err = pci_request_regions(pdev, qlcnic_driver_name); 2204 if (err) 2205 goto err_out_disable_pdev; 2206 2207 pci_set_master(pdev); 2208 pci_enable_pcie_error_reporting(pdev); 2209 2210 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2211 if (!ahw) { 2212 err = -ENOMEM; 2213 goto err_out_free_res; 2214 } 2215 2216 switch (ent->device) { 2217 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2218 ahw->hw_ops = &qlcnic_hw_ops; 2219 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2220 break; 2221 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2222 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2223 qlcnic_83xx_register_map(ahw); 2224 break; 2225 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2226 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2227 qlcnic_sriov_vf_register_map(ahw); 2228 break; 2229 default: 2230 goto err_out_free_hw_res; 2231 } 2232 2233 err = qlcnic_setup_pci_map(pdev, ahw); 2234 if (err) 2235 goto err_out_free_hw_res; 2236 2237 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2238 QLCNIC_MAX_TX_RINGS); 2239 if (!netdev) { 2240 err = -ENOMEM; 2241 goto err_out_iounmap; 2242 } 2243 2244 SET_NETDEV_DEV(netdev, &pdev->dev); 2245 2246 adapter = netdev_priv(netdev); 2247 adapter->netdev = netdev; 2248 adapter->pdev = pdev; 2249 adapter->ahw = ahw; 2250 2251 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2252 if (adapter->qlcnic_wq == NULL) { 2253 err = -ENOMEM; 2254 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2255 goto err_out_free_netdev; 2256 } 2257 2258 err = qlcnic_alloc_adapter_resources(adapter); 2259 if (err) 2260 goto err_out_free_netdev; 2261 2262 adapter->dev_rst_time = jiffies; 2263 adapter->ahw->revision_id = pdev->revision; 2264 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2265 adapter->fdb_mac_learn = true; 2266 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2267 adapter->drv_mac_learn = true; 2268 2269 rwlock_init(&adapter->ahw->crb_lock); 2270 mutex_init(&adapter->ahw->mem_lock); 2271 2272 INIT_LIST_HEAD(&adapter->mac_list); 2273 2274 qlcnic_register_dcb(adapter); 2275 2276 if (qlcnic_82xx_check(adapter)) { 2277 qlcnic_check_vf(adapter, ent); 2278 adapter->portnum = adapter->ahw->pci_func; 2279 err = qlcnic_start_firmware(adapter); 2280 if (err) { 2281 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2282 "\t\tIf reboot doesn't help, try flashing the card\n"); 2283 goto err_out_maintenance_mode; 2284 } 2285 2286 qlcnic_get_multiq_capability(adapter); 2287 2288 if ((adapter->ahw->act_pci_func > 2) && 2289 qlcnic_check_multi_tx(adapter)) { 2290 adapter->max_drv_tx_rings = QLCNIC_DEF_NUM_TX_RINGS; 2291 dev_info(&adapter->pdev->dev, 2292 "vNIC mode enabled, Set max TX rings = %d\n", 2293 adapter->max_drv_tx_rings); 2294 } 2295 2296 if (!qlcnic_check_multi_tx(adapter)) { 2297 clear_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 2298 adapter->max_drv_tx_rings = 1; 2299 } 2300 err = qlcnic_setup_idc_param(adapter); 2301 if (err) 2302 goto err_out_free_hw; 2303 2304 adapter->flags |= QLCNIC_NEED_FLR; 2305 2306 if (adapter->dcb && qlcnic_dcb_attach(adapter)) 2307 qlcnic_clear_dcb_ops(adapter); 2308 2309 } else if (qlcnic_83xx_check(adapter)) { 2310 adapter->max_drv_tx_rings = 1; 2311 qlcnic_83xx_check_vf(adapter, ent); 2312 adapter->portnum = adapter->ahw->pci_func; 2313 err = qlcnic_83xx_init(adapter, pci_using_dac); 2314 if (err) { 2315 dev_err(&pdev->dev, "%s: failed\n", __func__); 2316 goto err_out_free_hw; 2317 } 2318 if (qlcnic_sriov_vf_check(adapter)) 2319 return 0; 2320 } else { 2321 dev_err(&pdev->dev, 2322 "%s: failed. Please Reboot\n", __func__); 2323 goto err_out_free_hw; 2324 } 2325 2326 if (qlcnic_read_mac_addr(adapter)) 2327 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2328 2329 qlcnic_read_phys_port_id(adapter); 2330 2331 if (adapter->portnum == 0) { 2332 qlcnic_get_board_name(adapter, board_name); 2333 2334 pr_info("%s: %s Board Chip rev 0x%x\n", 2335 module_name(THIS_MODULE), 2336 board_name, adapter->ahw->revision_id); 2337 } 2338 2339 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2340 !!qlcnic_use_msi) 2341 dev_warn(&pdev->dev, 2342 "Device does not support MSI interrupts\n"); 2343 2344 if (qlcnic_82xx_check(adapter)) { 2345 err = qlcnic_setup_intr(adapter, 0, 0); 2346 if (err) { 2347 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2348 goto err_out_disable_msi; 2349 } 2350 } 2351 2352 err = qlcnic_get_act_pci_func(adapter); 2353 if (err) 2354 goto err_out_disable_mbx_intr; 2355 2356 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2357 if (err) 2358 goto err_out_disable_mbx_intr; 2359 2360 if (adapter->portnum == 0) 2361 qlcnic_set_drv_version(adapter); 2362 2363 pci_set_drvdata(pdev, adapter); 2364 2365 if (qlcnic_82xx_check(adapter)) 2366 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2367 FW_POLL_DELAY); 2368 2369 switch (adapter->ahw->port_type) { 2370 case QLCNIC_GBE: 2371 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2372 adapter->netdev->name); 2373 break; 2374 case QLCNIC_XGBE: 2375 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2376 adapter->netdev->name); 2377 break; 2378 } 2379 2380 if (adapter->drv_mac_learn) 2381 qlcnic_alloc_lb_filters_mem(adapter); 2382 2383 qlcnic_add_sysfs(adapter); 2384 2385 return 0; 2386 2387 err_out_disable_mbx_intr: 2388 if (qlcnic_83xx_check(adapter)) 2389 qlcnic_83xx_free_mbx_intr(adapter); 2390 2391 err_out_disable_msi: 2392 qlcnic_teardown_intr(adapter); 2393 qlcnic_cancel_idc_work(adapter); 2394 qlcnic_clr_all_drv_state(adapter, 0); 2395 2396 err_out_free_hw: 2397 qlcnic_free_adapter_resources(adapter); 2398 2399 err_out_free_netdev: 2400 free_netdev(netdev); 2401 2402 err_out_iounmap: 2403 qlcnic_cleanup_pci_map(ahw); 2404 2405 err_out_free_hw_res: 2406 kfree(ahw); 2407 2408 err_out_free_res: 2409 pci_release_regions(pdev); 2410 2411 err_out_disable_pdev: 2412 pci_set_drvdata(pdev, NULL); 2413 pci_disable_device(pdev); 2414 return err; 2415 2416 err_out_maintenance_mode: 2417 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2418 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops); 2419 err = register_netdev(netdev); 2420 2421 if (err) { 2422 dev_err(&pdev->dev, "Failed to register net device\n"); 2423 qlcnic_clr_all_drv_state(adapter, 0); 2424 goto err_out_free_hw; 2425 } 2426 2427 pci_set_drvdata(pdev, adapter); 2428 qlcnic_add_sysfs(adapter); 2429 2430 return 0; 2431 } 2432 2433 static void qlcnic_remove(struct pci_dev *pdev) 2434 { 2435 struct qlcnic_adapter *adapter; 2436 struct net_device *netdev; 2437 struct qlcnic_hardware_context *ahw; 2438 2439 adapter = pci_get_drvdata(pdev); 2440 if (adapter == NULL) 2441 return; 2442 2443 netdev = adapter->netdev; 2444 qlcnic_sriov_pf_disable(adapter); 2445 2446 qlcnic_cancel_idc_work(adapter); 2447 ahw = adapter->ahw; 2448 2449 qlcnic_dcb_free(adapter); 2450 2451 unregister_netdev(netdev); 2452 qlcnic_sriov_cleanup(adapter); 2453 2454 if (qlcnic_83xx_check(adapter)) { 2455 qlcnic_83xx_register_nic_idc_func(adapter, 0); 2456 cancel_delayed_work_sync(&adapter->idc_aen_work); 2457 qlcnic_83xx_free_mbx_intr(adapter); 2458 qlcnic_83xx_detach_mailbox_work(adapter); 2459 qlcnic_83xx_free_mailbox(ahw->mailbox); 2460 kfree(ahw->fw_info); 2461 } 2462 2463 qlcnic_detach(adapter); 2464 2465 if (adapter->npars != NULL) 2466 kfree(adapter->npars); 2467 if (adapter->eswitch != NULL) 2468 kfree(adapter->eswitch); 2469 2470 if (qlcnic_82xx_check(adapter)) 2471 qlcnic_clr_all_drv_state(adapter, 0); 2472 2473 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2474 2475 qlcnic_free_lb_filters_mem(adapter); 2476 2477 qlcnic_teardown_intr(adapter); 2478 2479 qlcnic_remove_sysfs(adapter); 2480 2481 qlcnic_cleanup_pci_map(adapter->ahw); 2482 2483 qlcnic_release_firmware(adapter); 2484 2485 pci_disable_pcie_error_reporting(pdev); 2486 pci_release_regions(pdev); 2487 pci_disable_device(pdev); 2488 pci_set_drvdata(pdev, NULL); 2489 2490 if (adapter->qlcnic_wq) { 2491 destroy_workqueue(adapter->qlcnic_wq); 2492 adapter->qlcnic_wq = NULL; 2493 } 2494 2495 qlcnic_free_adapter_resources(adapter); 2496 kfree(ahw); 2497 free_netdev(netdev); 2498 } 2499 2500 static void qlcnic_shutdown(struct pci_dev *pdev) 2501 { 2502 if (__qlcnic_shutdown(pdev)) 2503 return; 2504 2505 pci_disable_device(pdev); 2506 } 2507 2508 #ifdef CONFIG_PM 2509 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2510 { 2511 int retval; 2512 2513 retval = __qlcnic_shutdown(pdev); 2514 if (retval) 2515 return retval; 2516 2517 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2518 return 0; 2519 } 2520 2521 static int qlcnic_resume(struct pci_dev *pdev) 2522 { 2523 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2524 int err; 2525 2526 err = pci_enable_device(pdev); 2527 if (err) 2528 return err; 2529 2530 pci_set_power_state(pdev, PCI_D0); 2531 pci_set_master(pdev); 2532 pci_restore_state(pdev); 2533 2534 return __qlcnic_resume(adapter); 2535 } 2536 #endif 2537 2538 static int qlcnic_open(struct net_device *netdev) 2539 { 2540 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2541 u32 state; 2542 int err; 2543 2544 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2545 if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) { 2546 netdev_err(netdev, "%s: Device is in FAILED state\n", __func__); 2547 2548 return -EIO; 2549 } 2550 2551 netif_carrier_off(netdev); 2552 2553 err = qlcnic_attach(adapter); 2554 if (err) 2555 return err; 2556 2557 err = __qlcnic_up(adapter, netdev); 2558 if (err) 2559 goto err_out; 2560 2561 netif_tx_start_all_queues(netdev); 2562 2563 return 0; 2564 2565 err_out: 2566 qlcnic_detach(adapter); 2567 return err; 2568 } 2569 2570 /* 2571 * qlcnic_close - Disables a network interface entry point 2572 */ 2573 static int qlcnic_close(struct net_device *netdev) 2574 { 2575 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2576 2577 __qlcnic_down(adapter, netdev); 2578 2579 return 0; 2580 } 2581 2582 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2583 { 2584 void *head; 2585 int i; 2586 struct net_device *netdev = adapter->netdev; 2587 u32 filter_size = 0; 2588 u16 act_pci_func = 0; 2589 2590 if (adapter->fhash.fmax && adapter->fhash.fhead) 2591 return; 2592 2593 act_pci_func = adapter->ahw->act_pci_func; 2594 spin_lock_init(&adapter->mac_learn_lock); 2595 spin_lock_init(&adapter->rx_mac_learn_lock); 2596 2597 if (qlcnic_82xx_check(adapter)) { 2598 filter_size = QLCNIC_LB_MAX_FILTERS; 2599 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2600 } else { 2601 filter_size = QLC_83XX_LB_MAX_FILTERS; 2602 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2603 } 2604 2605 head = kcalloc(adapter->fhash.fbucket_size, 2606 sizeof(struct hlist_head), GFP_ATOMIC); 2607 2608 if (!head) 2609 return; 2610 2611 adapter->fhash.fmax = (filter_size / act_pci_func); 2612 adapter->fhash.fhead = head; 2613 2614 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2615 act_pci_func, adapter->fhash.fmax); 2616 2617 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2618 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2619 2620 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2621 2622 head = kcalloc(adapter->rx_fhash.fbucket_size, 2623 sizeof(struct hlist_head), GFP_ATOMIC); 2624 2625 if (!head) 2626 return; 2627 2628 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2629 adapter->rx_fhash.fhead = head; 2630 2631 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2632 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2633 } 2634 2635 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2636 { 2637 if (adapter->fhash.fmax && adapter->fhash.fhead) 2638 kfree(adapter->fhash.fhead); 2639 2640 adapter->fhash.fhead = NULL; 2641 adapter->fhash.fmax = 0; 2642 2643 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 2644 kfree(adapter->rx_fhash.fhead); 2645 2646 adapter->rx_fhash.fmax = 0; 2647 adapter->rx_fhash.fhead = NULL; 2648 } 2649 2650 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2651 { 2652 struct net_device *netdev = adapter->netdev; 2653 u32 temp_state, temp_val, temp = 0; 2654 int rv = 0; 2655 2656 if (qlcnic_83xx_check(adapter)) 2657 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2658 2659 if (qlcnic_82xx_check(adapter)) 2660 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2661 2662 temp_state = qlcnic_get_temp_state(temp); 2663 temp_val = qlcnic_get_temp_val(temp); 2664 2665 if (temp_state == QLCNIC_TEMP_PANIC) { 2666 dev_err(&netdev->dev, 2667 "Device temperature %d degrees C exceeds" 2668 " maximum allowed. Hardware has been shut down.\n", 2669 temp_val); 2670 rv = 1; 2671 } else if (temp_state == QLCNIC_TEMP_WARN) { 2672 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2673 dev_err(&netdev->dev, 2674 "Device temperature %d degrees C " 2675 "exceeds operating range." 2676 " Immediate action needed.\n", 2677 temp_val); 2678 } 2679 } else { 2680 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2681 dev_info(&netdev->dev, 2682 "Device temperature is now %d degrees C" 2683 " in normal range.\n", temp_val); 2684 } 2685 } 2686 adapter->ahw->temp = temp_state; 2687 return rv; 2688 } 2689 2690 static void qlcnic_tx_timeout(struct net_device *netdev) 2691 { 2692 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2693 struct qlcnic_host_tx_ring *tx_ring; 2694 int ring; 2695 2696 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 2697 return; 2698 2699 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) { 2700 netdev_info(netdev, "Tx timeout, reset the adapter.\n"); 2701 if (qlcnic_82xx_check(adapter)) 2702 adapter->need_fw_reset = 1; 2703 else if (qlcnic_83xx_check(adapter)) 2704 qlcnic_83xx_idc_request_reset(adapter, 2705 QLCNIC_FORCE_FW_DUMP_KEY); 2706 } else { 2707 netdev_info(netdev, "Tx timeout, reset adapter context.\n"); 2708 if (qlcnic_82xx_check(adapter)) { 2709 for (ring = 0; ring < adapter->max_drv_tx_rings; 2710 ring++) { 2711 tx_ring = &adapter->tx_ring[ring]; 2712 dev_info(&netdev->dev, "ring=%d\n", ring); 2713 dev_info(&netdev->dev, "crb_intr_mask=%d\n", 2714 readl(tx_ring->crb_intr_mask)); 2715 dev_info(&netdev->dev, "producer=%d\n", 2716 readl(tx_ring->crb_cmd_producer)); 2717 dev_info(&netdev->dev, "sw_consumer = %d\n", 2718 tx_ring->sw_consumer); 2719 dev_info(&netdev->dev, "hw_consumer = %d\n", 2720 le32_to_cpu(*(tx_ring->hw_consumer))); 2721 dev_info(&netdev->dev, "xmit-on=%llu\n", 2722 tx_ring->xmit_on); 2723 dev_info(&netdev->dev, "xmit-off=%llu\n", 2724 tx_ring->xmit_off); 2725 } 2726 } 2727 adapter->ahw->reset_context = 1; 2728 } 2729 } 2730 2731 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 2732 { 2733 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2734 struct net_device_stats *stats = &netdev->stats; 2735 2736 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 2737 stats->tx_packets = adapter->stats.xmitfinished; 2738 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 2739 stats->tx_bytes = adapter->stats.txbytes; 2740 stats->rx_dropped = adapter->stats.rxdropped; 2741 stats->tx_dropped = adapter->stats.txdropped; 2742 2743 return stats; 2744 } 2745 2746 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 2747 { 2748 u32 status; 2749 2750 status = readl(adapter->isr_int_vec); 2751 2752 if (!(status & adapter->ahw->int_vec_bit)) 2753 return IRQ_NONE; 2754 2755 /* check interrupt state machine, to be sure */ 2756 status = readl(adapter->crb_int_state_reg); 2757 if (!ISR_LEGACY_INT_TRIGGERED(status)) 2758 return IRQ_NONE; 2759 2760 writel(0xffffffff, adapter->tgt_status_reg); 2761 /* read twice to ensure write is flushed */ 2762 readl(adapter->isr_int_vec); 2763 readl(adapter->isr_int_vec); 2764 2765 return IRQ_HANDLED; 2766 } 2767 2768 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 2769 { 2770 struct qlcnic_host_sds_ring *sds_ring = data; 2771 struct qlcnic_adapter *adapter = sds_ring->adapter; 2772 2773 if (adapter->flags & QLCNIC_MSIX_ENABLED) 2774 goto done; 2775 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 2776 writel(0xffffffff, adapter->tgt_status_reg); 2777 goto done; 2778 } 2779 2780 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2781 return IRQ_NONE; 2782 2783 done: 2784 adapter->ahw->diag_cnt++; 2785 qlcnic_enable_int(sds_ring); 2786 return IRQ_HANDLED; 2787 } 2788 2789 static irqreturn_t qlcnic_intr(int irq, void *data) 2790 { 2791 struct qlcnic_host_sds_ring *sds_ring = data; 2792 struct qlcnic_adapter *adapter = sds_ring->adapter; 2793 2794 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2795 return IRQ_NONE; 2796 2797 napi_schedule(&sds_ring->napi); 2798 2799 return IRQ_HANDLED; 2800 } 2801 2802 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 2803 { 2804 struct qlcnic_host_sds_ring *sds_ring = data; 2805 struct qlcnic_adapter *adapter = sds_ring->adapter; 2806 2807 /* clear interrupt */ 2808 writel(0xffffffff, adapter->tgt_status_reg); 2809 2810 napi_schedule(&sds_ring->napi); 2811 return IRQ_HANDLED; 2812 } 2813 2814 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 2815 { 2816 struct qlcnic_host_sds_ring *sds_ring = data; 2817 2818 napi_schedule(&sds_ring->napi); 2819 return IRQ_HANDLED; 2820 } 2821 2822 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 2823 { 2824 struct qlcnic_host_tx_ring *tx_ring = data; 2825 2826 napi_schedule(&tx_ring->napi); 2827 return IRQ_HANDLED; 2828 } 2829 2830 #ifdef CONFIG_NET_POLL_CONTROLLER 2831 static void qlcnic_poll_controller(struct net_device *netdev) 2832 { 2833 int ring; 2834 struct qlcnic_host_sds_ring *sds_ring; 2835 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2836 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2837 2838 disable_irq(adapter->irq); 2839 for (ring = 0; ring < adapter->max_sds_rings; ring++) { 2840 sds_ring = &recv_ctx->sds_rings[ring]; 2841 qlcnic_intr(adapter->irq, sds_ring); 2842 } 2843 enable_irq(adapter->irq); 2844 } 2845 #endif 2846 2847 static void 2848 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 2849 { 2850 u32 val; 2851 2852 val = adapter->portnum & 0xf; 2853 val |= encoding << 7; 2854 val |= (jiffies - adapter->dev_rst_time) << 8; 2855 2856 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 2857 adapter->dev_rst_time = jiffies; 2858 } 2859 2860 static int 2861 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 2862 { 2863 u32 val; 2864 2865 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 2866 state != QLCNIC_DEV_NEED_QUISCENT); 2867 2868 if (qlcnic_api_lock(adapter)) 2869 return -EIO; 2870 2871 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2872 2873 if (state == QLCNIC_DEV_NEED_RESET) 2874 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2875 else if (state == QLCNIC_DEV_NEED_QUISCENT) 2876 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 2877 2878 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2879 2880 qlcnic_api_unlock(adapter); 2881 2882 return 0; 2883 } 2884 2885 static int 2886 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 2887 { 2888 u32 val; 2889 2890 if (qlcnic_api_lock(adapter)) 2891 return -EBUSY; 2892 2893 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2894 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2895 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2896 2897 qlcnic_api_unlock(adapter); 2898 2899 return 0; 2900 } 2901 2902 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 2903 { 2904 u32 val; 2905 2906 if (qlcnic_api_lock(adapter)) 2907 goto err; 2908 2909 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2910 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 2911 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2912 2913 if (failed) { 2914 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2915 QLCNIC_DEV_FAILED); 2916 dev_info(&adapter->pdev->dev, 2917 "Device state set to Failed. Please Reboot\n"); 2918 } else if (!(val & 0x11111111)) 2919 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2920 QLCNIC_DEV_COLD); 2921 2922 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2923 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2924 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2925 2926 qlcnic_api_unlock(adapter); 2927 err: 2928 adapter->fw_fail_cnt = 0; 2929 adapter->flags &= ~QLCNIC_FW_HANG; 2930 clear_bit(__QLCNIC_START_FW, &adapter->state); 2931 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2932 } 2933 2934 /* Grab api lock, before checking state */ 2935 static int 2936 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 2937 { 2938 int act, state, active_mask; 2939 struct qlcnic_hardware_context *ahw = adapter->ahw; 2940 2941 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2942 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2943 2944 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 2945 active_mask = (~(1 << (ahw->pci_func * 4))); 2946 act = act & active_mask; 2947 } 2948 2949 if (((state & 0x11111111) == (act & 0x11111111)) || 2950 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 2951 return 0; 2952 else 2953 return 1; 2954 } 2955 2956 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 2957 { 2958 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 2959 2960 if (val != QLCNIC_DRV_IDC_VER) { 2961 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 2962 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 2963 } 2964 2965 return 0; 2966 } 2967 2968 static int 2969 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 2970 { 2971 u32 val, prev_state; 2972 u8 dev_init_timeo = adapter->dev_init_timeo; 2973 u8 portnum = adapter->portnum; 2974 u8 ret; 2975 2976 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 2977 return 1; 2978 2979 if (qlcnic_api_lock(adapter)) 2980 return -1; 2981 2982 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2983 if (!(val & (1 << (portnum * 4)))) { 2984 QLC_DEV_SET_REF_CNT(val, portnum); 2985 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2986 } 2987 2988 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 2989 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 2990 2991 switch (prev_state) { 2992 case QLCNIC_DEV_COLD: 2993 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2994 QLCNIC_DEV_INITIALIZING); 2995 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 2996 QLCNIC_DRV_IDC_VER); 2997 qlcnic_idc_debug_info(adapter, 0); 2998 qlcnic_api_unlock(adapter); 2999 return 1; 3000 3001 case QLCNIC_DEV_READY: 3002 ret = qlcnic_check_idc_ver(adapter); 3003 qlcnic_api_unlock(adapter); 3004 return ret; 3005 3006 case QLCNIC_DEV_NEED_RESET: 3007 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3008 QLC_DEV_SET_RST_RDY(val, portnum); 3009 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3010 break; 3011 3012 case QLCNIC_DEV_NEED_QUISCENT: 3013 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3014 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3015 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3016 break; 3017 3018 case QLCNIC_DEV_FAILED: 3019 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3020 qlcnic_api_unlock(adapter); 3021 return -1; 3022 3023 case QLCNIC_DEV_INITIALIZING: 3024 case QLCNIC_DEV_QUISCENT: 3025 break; 3026 } 3027 3028 qlcnic_api_unlock(adapter); 3029 3030 do { 3031 msleep(1000); 3032 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3033 3034 if (prev_state == QLCNIC_DEV_QUISCENT) 3035 continue; 3036 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3037 3038 if (!dev_init_timeo) { 3039 dev_err(&adapter->pdev->dev, 3040 "Waiting for device to initialize timeout\n"); 3041 return -1; 3042 } 3043 3044 if (qlcnic_api_lock(adapter)) 3045 return -1; 3046 3047 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3048 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3049 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3050 3051 ret = qlcnic_check_idc_ver(adapter); 3052 qlcnic_api_unlock(adapter); 3053 3054 return ret; 3055 } 3056 3057 static void 3058 qlcnic_fwinit_work(struct work_struct *work) 3059 { 3060 struct qlcnic_adapter *adapter = container_of(work, 3061 struct qlcnic_adapter, fw_work.work); 3062 u32 dev_state = 0xf; 3063 u32 val; 3064 3065 if (qlcnic_api_lock(adapter)) 3066 goto err_ret; 3067 3068 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3069 if (dev_state == QLCNIC_DEV_QUISCENT || 3070 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3071 qlcnic_api_unlock(adapter); 3072 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3073 FW_POLL_DELAY * 2); 3074 return; 3075 } 3076 3077 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3078 qlcnic_api_unlock(adapter); 3079 goto wait_npar; 3080 } 3081 3082 if (dev_state == QLCNIC_DEV_INITIALIZING || 3083 dev_state == QLCNIC_DEV_READY) { 3084 dev_info(&adapter->pdev->dev, "Detected state change from " 3085 "DEV_NEED_RESET, skipping ack check\n"); 3086 goto skip_ack_check; 3087 } 3088 3089 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3090 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3091 adapter->reset_ack_timeo); 3092 goto skip_ack_check; 3093 } 3094 3095 if (!qlcnic_check_drv_state(adapter)) { 3096 skip_ack_check: 3097 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3098 3099 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3100 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3101 QLCNIC_DEV_INITIALIZING); 3102 set_bit(__QLCNIC_START_FW, &adapter->state); 3103 QLCDB(adapter, DRV, "Restarting fw\n"); 3104 qlcnic_idc_debug_info(adapter, 0); 3105 val = QLC_SHARED_REG_RD32(adapter, 3106 QLCNIC_CRB_DRV_STATE); 3107 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3108 QLC_SHARED_REG_WR32(adapter, 3109 QLCNIC_CRB_DRV_STATE, val); 3110 } 3111 3112 qlcnic_api_unlock(adapter); 3113 3114 rtnl_lock(); 3115 if (qlcnic_check_fw_dump_state(adapter) && 3116 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3117 QLCDB(adapter, DRV, "Take FW dump\n"); 3118 qlcnic_dump_fw(adapter); 3119 adapter->flags |= QLCNIC_FW_HANG; 3120 } 3121 rtnl_unlock(); 3122 3123 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3124 if (!adapter->nic_ops->start_firmware(adapter)) { 3125 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3126 adapter->fw_wait_cnt = 0; 3127 return; 3128 } 3129 goto err_ret; 3130 } 3131 3132 qlcnic_api_unlock(adapter); 3133 3134 wait_npar: 3135 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3136 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3137 3138 switch (dev_state) { 3139 case QLCNIC_DEV_READY: 3140 if (!qlcnic_start_firmware(adapter)) { 3141 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3142 adapter->fw_wait_cnt = 0; 3143 return; 3144 } 3145 case QLCNIC_DEV_FAILED: 3146 break; 3147 default: 3148 qlcnic_schedule_work(adapter, 3149 qlcnic_fwinit_work, FW_POLL_DELAY); 3150 return; 3151 } 3152 3153 err_ret: 3154 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3155 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3156 netif_device_attach(adapter->netdev); 3157 qlcnic_clr_all_drv_state(adapter, 0); 3158 } 3159 3160 static void 3161 qlcnic_detach_work(struct work_struct *work) 3162 { 3163 struct qlcnic_adapter *adapter = container_of(work, 3164 struct qlcnic_adapter, fw_work.work); 3165 struct net_device *netdev = adapter->netdev; 3166 u32 status; 3167 3168 netif_device_detach(netdev); 3169 3170 /* Dont grab rtnl lock during Quiscent mode */ 3171 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3172 if (netif_running(netdev)) 3173 __qlcnic_down(adapter, netdev); 3174 } else 3175 qlcnic_down(adapter, netdev); 3176 3177 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3178 3179 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3180 dev_err(&adapter->pdev->dev, 3181 "Detaching the device: peg halt status1=0x%x\n", 3182 status); 3183 3184 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3185 dev_err(&adapter->pdev->dev, 3186 "On board active cooling fan failed. " 3187 "Device has been halted.\n"); 3188 dev_err(&adapter->pdev->dev, 3189 "Replace the adapter.\n"); 3190 } 3191 3192 goto err_ret; 3193 } 3194 3195 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3196 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3197 adapter->ahw->temp); 3198 goto err_ret; 3199 } 3200 3201 /* Dont ack if this instance is the reset owner */ 3202 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3203 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3204 dev_err(&adapter->pdev->dev, 3205 "Failed to set driver state," 3206 "detaching the device.\n"); 3207 goto err_ret; 3208 } 3209 } 3210 3211 adapter->fw_wait_cnt = 0; 3212 3213 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3214 3215 return; 3216 3217 err_ret: 3218 netif_device_attach(netdev); 3219 qlcnic_clr_all_drv_state(adapter, 1); 3220 } 3221 3222 /*Transit NPAR state to NON Operational */ 3223 static void 3224 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3225 { 3226 u32 state; 3227 3228 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3229 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3230 return; 3231 3232 if (qlcnic_api_lock(adapter)) 3233 return; 3234 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3235 QLCNIC_DEV_NPAR_NON_OPER); 3236 qlcnic_api_unlock(adapter); 3237 } 3238 3239 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key) 3240 { 3241 u32 state, xg_val = 0, gb_val = 0; 3242 3243 qlcnic_xg_set_xg0_mask(xg_val); 3244 qlcnic_xg_set_xg1_mask(xg_val); 3245 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3246 qlcnic_gb_set_gb0_mask(gb_val); 3247 qlcnic_gb_set_gb1_mask(gb_val); 3248 qlcnic_gb_set_gb2_mask(gb_val); 3249 qlcnic_gb_set_gb3_mask(gb_val); 3250 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3251 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3252 " on all ports\n"); 3253 adapter->need_fw_reset = 1; 3254 3255 if (qlcnic_api_lock(adapter)) 3256 return; 3257 3258 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3259 if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) { 3260 netdev_err(adapter->netdev, "%s: Device is in FAILED state\n", 3261 __func__); 3262 qlcnic_api_unlock(adapter); 3263 3264 return; 3265 } 3266 3267 if (state == QLCNIC_DEV_READY) { 3268 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3269 QLCNIC_DEV_NEED_RESET); 3270 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3271 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3272 qlcnic_idc_debug_info(adapter, 0); 3273 } 3274 3275 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3276 QLCNIC_DEV_NPAR_NON_OPER); 3277 qlcnic_api_unlock(adapter); 3278 } 3279 3280 /* Transit to NPAR READY state from NPAR NOT READY state */ 3281 static void 3282 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3283 { 3284 if (qlcnic_api_lock(adapter)) 3285 return; 3286 3287 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3288 QLCNIC_DEV_NPAR_OPER); 3289 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3290 3291 qlcnic_api_unlock(adapter); 3292 } 3293 3294 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3295 work_func_t func, int delay) 3296 { 3297 if (test_bit(__QLCNIC_AER, &adapter->state)) 3298 return; 3299 3300 INIT_DELAYED_WORK(&adapter->fw_work, func); 3301 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3302 round_jiffies_relative(delay)); 3303 } 3304 3305 static void 3306 qlcnic_attach_work(struct work_struct *work) 3307 { 3308 struct qlcnic_adapter *adapter = container_of(work, 3309 struct qlcnic_adapter, fw_work.work); 3310 struct net_device *netdev = adapter->netdev; 3311 u32 npar_state; 3312 3313 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3314 npar_state = QLC_SHARED_REG_RD32(adapter, 3315 QLCNIC_CRB_DEV_NPAR_STATE); 3316 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3317 qlcnic_clr_all_drv_state(adapter, 0); 3318 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3319 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3320 FW_POLL_DELAY); 3321 else 3322 goto attach; 3323 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3324 return; 3325 } 3326 attach: 3327 qlcnic_dcb_get_info(adapter); 3328 3329 if (netif_running(netdev)) { 3330 if (qlcnic_up(adapter, netdev)) 3331 goto done; 3332 3333 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3334 } 3335 3336 done: 3337 netif_device_attach(netdev); 3338 adapter->fw_fail_cnt = 0; 3339 adapter->flags &= ~QLCNIC_FW_HANG; 3340 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3341 if (adapter->portnum == 0) 3342 qlcnic_set_drv_version(adapter); 3343 3344 if (!qlcnic_clr_drv_state(adapter)) 3345 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3346 FW_POLL_DELAY); 3347 } 3348 3349 static int 3350 qlcnic_check_health(struct qlcnic_adapter *adapter) 3351 { 3352 u32 state = 0, heartbeat; 3353 u32 peg_status; 3354 int err = 0; 3355 3356 if (qlcnic_check_temp(adapter)) 3357 goto detach; 3358 3359 if (adapter->need_fw_reset) 3360 qlcnic_dev_request_reset(adapter, 0); 3361 3362 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3363 if (state == QLCNIC_DEV_NEED_RESET) { 3364 qlcnic_set_npar_non_operational(adapter); 3365 adapter->need_fw_reset = 1; 3366 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3367 goto detach; 3368 3369 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3370 if (heartbeat != adapter->heartbeat) { 3371 adapter->heartbeat = heartbeat; 3372 adapter->fw_fail_cnt = 0; 3373 if (adapter->need_fw_reset) 3374 goto detach; 3375 3376 if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) 3377 qlcnic_reset_hw_context(adapter); 3378 3379 return 0; 3380 } 3381 3382 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3383 return 0; 3384 3385 adapter->flags |= QLCNIC_FW_HANG; 3386 3387 qlcnic_dev_request_reset(adapter, 0); 3388 3389 if (qlcnic_auto_fw_reset) 3390 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3391 3392 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3393 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3394 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3395 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3396 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3397 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3398 "PEG_NET_4_PC: 0x%x\n", 3399 peg_status, 3400 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3401 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3402 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3403 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3404 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3405 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3406 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3407 dev_err(&adapter->pdev->dev, 3408 "Firmware aborted with error code 0x00006700. " 3409 "Device is being reset.\n"); 3410 detach: 3411 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3412 QLCNIC_DEV_NEED_RESET; 3413 3414 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3415 &adapter->state)) { 3416 3417 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3418 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3419 } 3420 3421 return 1; 3422 } 3423 3424 void qlcnic_fw_poll_work(struct work_struct *work) 3425 { 3426 struct qlcnic_adapter *adapter = container_of(work, 3427 struct qlcnic_adapter, fw_work.work); 3428 3429 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3430 goto reschedule; 3431 3432 3433 if (qlcnic_check_health(adapter)) 3434 return; 3435 3436 if (adapter->fhash.fnum) 3437 qlcnic_prune_lb_filters(adapter); 3438 3439 reschedule: 3440 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3441 } 3442 3443 static int qlcnic_is_first_func(struct pci_dev *pdev) 3444 { 3445 struct pci_dev *oth_pdev; 3446 int val = pdev->devfn; 3447 3448 while (val-- > 0) { 3449 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3450 (pdev->bus), pdev->bus->number, 3451 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3452 if (!oth_pdev) 3453 continue; 3454 3455 if (oth_pdev->current_state != PCI_D3cold) { 3456 pci_dev_put(oth_pdev); 3457 return 0; 3458 } 3459 pci_dev_put(oth_pdev); 3460 } 3461 return 1; 3462 } 3463 3464 static int qlcnic_attach_func(struct pci_dev *pdev) 3465 { 3466 int err, first_func; 3467 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3468 struct net_device *netdev = adapter->netdev; 3469 3470 pdev->error_state = pci_channel_io_normal; 3471 3472 err = pci_enable_device(pdev); 3473 if (err) 3474 return err; 3475 3476 pci_set_master(pdev); 3477 pci_restore_state(pdev); 3478 3479 first_func = qlcnic_is_first_func(pdev); 3480 3481 if (qlcnic_api_lock(adapter)) 3482 return -EINVAL; 3483 3484 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3485 adapter->need_fw_reset = 1; 3486 set_bit(__QLCNIC_START_FW, &adapter->state); 3487 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3488 QLCNIC_DEV_INITIALIZING); 3489 QLCDB(adapter, DRV, "Restarting fw\n"); 3490 } 3491 qlcnic_api_unlock(adapter); 3492 3493 err = qlcnic_start_firmware(adapter); 3494 if (err) 3495 return err; 3496 3497 qlcnic_clr_drv_state(adapter); 3498 kfree(adapter->msix_entries); 3499 adapter->msix_entries = NULL; 3500 err = qlcnic_setup_intr(adapter, 0, 0); 3501 3502 if (err) { 3503 kfree(adapter->msix_entries); 3504 netdev_err(netdev, "failed to setup interrupt\n"); 3505 return err; 3506 } 3507 3508 if (netif_running(netdev)) { 3509 err = qlcnic_attach(adapter); 3510 if (err) { 3511 qlcnic_clr_all_drv_state(adapter, 1); 3512 clear_bit(__QLCNIC_AER, &adapter->state); 3513 netif_device_attach(netdev); 3514 return err; 3515 } 3516 3517 err = qlcnic_up(adapter, netdev); 3518 if (err) 3519 goto done; 3520 3521 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3522 } 3523 done: 3524 netif_device_attach(netdev); 3525 return err; 3526 } 3527 3528 pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3529 pci_channel_state_t state) 3530 { 3531 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3532 struct net_device *netdev = adapter->netdev; 3533 3534 if (state == pci_channel_io_perm_failure) 3535 return PCI_ERS_RESULT_DISCONNECT; 3536 3537 if (state == pci_channel_io_normal) 3538 return PCI_ERS_RESULT_RECOVERED; 3539 3540 set_bit(__QLCNIC_AER, &adapter->state); 3541 netif_device_detach(netdev); 3542 3543 cancel_delayed_work_sync(&adapter->fw_work); 3544 3545 if (netif_running(netdev)) 3546 qlcnic_down(adapter, netdev); 3547 3548 qlcnic_detach(adapter); 3549 qlcnic_teardown_intr(adapter); 3550 3551 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3552 3553 pci_save_state(pdev); 3554 pci_disable_device(pdev); 3555 3556 return PCI_ERS_RESULT_NEED_RESET; 3557 } 3558 3559 pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3560 { 3561 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3562 PCI_ERS_RESULT_RECOVERED; 3563 } 3564 3565 void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3566 { 3567 u32 state; 3568 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3569 3570 pci_cleanup_aer_uncorrect_error_status(pdev); 3571 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3572 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3573 &adapter->state)) 3574 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3575 FW_POLL_DELAY); 3576 } 3577 3578 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3579 pci_channel_state_t state) 3580 { 3581 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3582 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3583 3584 if (hw_ops->io_error_detected) { 3585 return hw_ops->io_error_detected(pdev, state); 3586 } else { 3587 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3588 return PCI_ERS_RESULT_DISCONNECT; 3589 } 3590 } 3591 3592 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3593 { 3594 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3595 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3596 3597 if (hw_ops->io_slot_reset) { 3598 return hw_ops->io_slot_reset(pdev); 3599 } else { 3600 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3601 return PCI_ERS_RESULT_DISCONNECT; 3602 } 3603 } 3604 3605 static void qlcnic_io_resume(struct pci_dev *pdev) 3606 { 3607 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3608 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3609 3610 if (hw_ops->io_resume) 3611 hw_ops->io_resume(pdev); 3612 else 3613 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3614 } 3615 3616 3617 static int 3618 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3619 { 3620 int err; 3621 3622 err = qlcnic_can_start_firmware(adapter); 3623 if (err) 3624 return err; 3625 3626 err = qlcnic_check_npar_opertional(adapter); 3627 if (err) 3628 return err; 3629 3630 err = qlcnic_initialize_nic(adapter); 3631 if (err) 3632 return err; 3633 3634 qlcnic_check_options(adapter); 3635 3636 err = qlcnic_set_eswitch_port_config(adapter); 3637 if (err) 3638 return err; 3639 3640 adapter->need_fw_reset = 0; 3641 3642 return err; 3643 } 3644 3645 int qlcnic_validate_max_tx_rings(struct qlcnic_adapter *adapter, u32 txq) 3646 { 3647 struct net_device *netdev = adapter->netdev; 3648 u8 max_hw = QLCNIC_MAX_TX_RINGS; 3649 u32 max_allowed; 3650 3651 if (!qlcnic_82xx_check(adapter)) { 3652 netdev_err(netdev, "No Multi TX-Q support\n"); 3653 return -EINVAL; 3654 } 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_82xx_check(adapter) && !qlcnic_use_msi_x && 3696 !qlcnic_use_msi) { 3697 netdev_err(netdev, "No RSS support in INT-x mode\n"); 3698 return -EINVAL; 3699 } 3700 3701 if (val > QLCNIC_MAX_SDS_RINGS) { 3702 netdev_err(netdev, "RSS value should not be higher than %u\n", 3703 QLCNIC_MAX_SDS_RINGS); 3704 return -EINVAL; 3705 } 3706 3707 max_allowed = rounddown_pow_of_two(min_t(int, max_hw, 3708 num_online_cpus())); 3709 if ((val > max_allowed) || (val < 2) || !is_power_of_2(val)) { 3710 if (!is_power_of_2(val)) 3711 netdev_err(netdev, "RSS value should be a power of 2\n"); 3712 3713 if (val < 2) 3714 netdev_err(netdev, "RSS value should not be lower than 2\n"); 3715 3716 if (val > max_hw) 3717 netdev_err(netdev, 3718 "RSS value should not be higher than[%u], the max RSS rings supported by the adapter\n", 3719 max_hw); 3720 3721 if (val > num_online_cpus()) 3722 netdev_err(netdev, 3723 "RSS value should not be higher than[%u], number of online CPUs in the system\n", 3724 num_online_cpus()); 3725 3726 netdev_err(netdev, "Unable to configure %u RSS rings\n", val); 3727 3728 return -EINVAL; 3729 } 3730 return 0; 3731 } 3732 3733 int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, int txq) 3734 { 3735 int err; 3736 struct net_device *netdev = adapter->netdev; 3737 int num_msix; 3738 3739 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3740 return -EBUSY; 3741 3742 if (qlcnic_82xx_check(adapter) && !qlcnic_use_msi_x && 3743 !qlcnic_use_msi) { 3744 netdev_err(netdev, "No RSS support in INT-x mode\n"); 3745 return -EINVAL; 3746 } 3747 3748 netif_device_detach(netdev); 3749 if (netif_running(netdev)) 3750 __qlcnic_down(adapter, netdev); 3751 3752 qlcnic_detach(adapter); 3753 3754 if (qlcnic_82xx_check(adapter)) { 3755 if (txq != 0) 3756 adapter->max_drv_tx_rings = txq; 3757 3758 if (qlcnic_check_multi_tx(adapter) && 3759 (txq > adapter->max_drv_tx_rings)) 3760 num_msix = adapter->max_drv_tx_rings; 3761 else 3762 num_msix = data; 3763 } 3764 3765 if (qlcnic_83xx_check(adapter)) { 3766 qlcnic_83xx_free_mbx_intr(adapter); 3767 qlcnic_83xx_enable_mbx_poll(adapter); 3768 } 3769 3770 netif_set_real_num_tx_queues(netdev, adapter->max_drv_tx_rings); 3771 3772 qlcnic_teardown_intr(adapter); 3773 3774 err = qlcnic_setup_intr(adapter, data, txq); 3775 if (err) { 3776 kfree(adapter->msix_entries); 3777 netdev_err(netdev, "failed to setup interrupt\n"); 3778 return err; 3779 } 3780 3781 if (qlcnic_83xx_check(adapter)) { 3782 /* register for NIC IDC AEN Events */ 3783 qlcnic_83xx_register_nic_idc_func(adapter, 1); 3784 err = qlcnic_83xx_setup_mbx_intr(adapter); 3785 qlcnic_83xx_disable_mbx_poll(adapter); 3786 if (err) { 3787 dev_err(&adapter->pdev->dev, 3788 "failed to setup mbx interrupt\n"); 3789 goto done; 3790 } 3791 } 3792 3793 if (netif_running(netdev)) { 3794 err = qlcnic_attach(adapter); 3795 if (err) 3796 goto done; 3797 err = __qlcnic_up(adapter, netdev); 3798 if (err) 3799 goto done; 3800 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3801 } 3802 done: 3803 netif_device_attach(netdev); 3804 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3805 return err; 3806 } 3807 3808 #ifdef CONFIG_INET 3809 3810 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 3811 3812 static void 3813 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 3814 struct net_device *dev, unsigned long event) 3815 { 3816 struct in_device *indev; 3817 3818 indev = in_dev_get(dev); 3819 if (!indev) 3820 return; 3821 3822 for_ifa(indev) { 3823 switch (event) { 3824 case NETDEV_UP: 3825 qlcnic_config_ipaddr(adapter, 3826 ifa->ifa_address, QLCNIC_IP_UP); 3827 break; 3828 case NETDEV_DOWN: 3829 qlcnic_config_ipaddr(adapter, 3830 ifa->ifa_address, QLCNIC_IP_DOWN); 3831 break; 3832 default: 3833 break; 3834 } 3835 } endfor_ifa(indev); 3836 3837 in_dev_put(indev); 3838 } 3839 3840 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 3841 { 3842 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3843 struct net_device *dev; 3844 u16 vid; 3845 3846 qlcnic_config_indev_addr(adapter, netdev, event); 3847 3848 rcu_read_lock(); 3849 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 3850 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid); 3851 if (!dev) 3852 continue; 3853 qlcnic_config_indev_addr(adapter, dev, event); 3854 } 3855 rcu_read_unlock(); 3856 } 3857 3858 static int qlcnic_netdev_event(struct notifier_block *this, 3859 unsigned long event, void *ptr) 3860 { 3861 struct qlcnic_adapter *adapter; 3862 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 3863 3864 recheck: 3865 if (dev == NULL) 3866 goto done; 3867 3868 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3869 dev = vlan_dev_real_dev(dev); 3870 goto recheck; 3871 } 3872 3873 if (!is_qlcnic_netdev(dev)) 3874 goto done; 3875 3876 adapter = netdev_priv(dev); 3877 3878 if (!adapter) 3879 goto done; 3880 3881 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3882 goto done; 3883 3884 qlcnic_config_indev_addr(adapter, dev, event); 3885 done: 3886 return NOTIFY_DONE; 3887 } 3888 3889 static int 3890 qlcnic_inetaddr_event(struct notifier_block *this, 3891 unsigned long event, void *ptr) 3892 { 3893 struct qlcnic_adapter *adapter; 3894 struct net_device *dev; 3895 3896 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 3897 3898 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 3899 3900 recheck: 3901 if (dev == NULL) 3902 goto done; 3903 3904 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3905 dev = vlan_dev_real_dev(dev); 3906 goto recheck; 3907 } 3908 3909 if (!is_qlcnic_netdev(dev)) 3910 goto done; 3911 3912 adapter = netdev_priv(dev); 3913 3914 if (!adapter) 3915 goto done; 3916 3917 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3918 goto done; 3919 3920 switch (event) { 3921 case NETDEV_UP: 3922 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 3923 3924 break; 3925 case NETDEV_DOWN: 3926 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 3927 3928 break; 3929 default: 3930 break; 3931 } 3932 3933 done: 3934 return NOTIFY_DONE; 3935 } 3936 3937 static struct notifier_block qlcnic_netdev_cb = { 3938 .notifier_call = qlcnic_netdev_event, 3939 }; 3940 3941 static struct notifier_block qlcnic_inetaddr_cb = { 3942 .notifier_call = qlcnic_inetaddr_event, 3943 }; 3944 #else 3945 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 3946 { } 3947 #endif 3948 static const struct pci_error_handlers qlcnic_err_handler = { 3949 .error_detected = qlcnic_io_error_detected, 3950 .slot_reset = qlcnic_io_slot_reset, 3951 .resume = qlcnic_io_resume, 3952 }; 3953 3954 static struct pci_driver qlcnic_driver = { 3955 .name = qlcnic_driver_name, 3956 .id_table = qlcnic_pci_tbl, 3957 .probe = qlcnic_probe, 3958 .remove = qlcnic_remove, 3959 #ifdef CONFIG_PM 3960 .suspend = qlcnic_suspend, 3961 .resume = qlcnic_resume, 3962 #endif 3963 .shutdown = qlcnic_shutdown, 3964 .err_handler = &qlcnic_err_handler, 3965 #ifdef CONFIG_QLCNIC_SRIOV 3966 .sriov_configure = qlcnic_pci_sriov_configure, 3967 #endif 3968 3969 }; 3970 3971 static int __init qlcnic_init_module(void) 3972 { 3973 int ret; 3974 3975 printk(KERN_INFO "%s\n", qlcnic_driver_string); 3976 3977 #ifdef CONFIG_INET 3978 register_netdevice_notifier(&qlcnic_netdev_cb); 3979 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 3980 #endif 3981 3982 ret = pci_register_driver(&qlcnic_driver); 3983 if (ret) { 3984 #ifdef CONFIG_INET 3985 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3986 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3987 #endif 3988 } 3989 3990 return ret; 3991 } 3992 3993 module_init(qlcnic_init_module); 3994 3995 static void __exit qlcnic_exit_module(void) 3996 { 3997 pci_unregister_driver(&qlcnic_driver); 3998 3999 #ifdef CONFIG_INET 4000 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4001 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4002 #endif 4003 } 4004 4005 module_exit(qlcnic_exit_module); 4006