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 int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 552 { 553 struct qlcnic_hardware_context *ahw = adapter->ahw; 554 555 if (qlcnic_82xx_check(adapter) && 556 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 557 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 558 return 0; 559 } else { 560 return 1; 561 } 562 } 563 564 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 565 int queue_type) 566 { 567 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 568 569 if (queue_type == QLCNIC_RX_QUEUE) 570 max_rings = adapter->max_sds_rings; 571 else if (queue_type == QLCNIC_TX_QUEUE) 572 max_rings = adapter->max_tx_rings; 573 574 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 575 max_rings)); 576 577 if (ring_cnt > num_rings) 578 return num_rings; 579 else 580 return ring_cnt; 581 } 582 583 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 584 { 585 /* 83xx adapter does not have max_tx_rings intialized in probe */ 586 if (adapter->max_tx_rings) 587 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 588 QLCNIC_TX_QUEUE); 589 else 590 adapter->drv_tx_rings = tx_cnt; 591 592 dev_info(&adapter->pdev->dev, "Set %d Tx rings\n", 593 adapter->drv_tx_rings); 594 } 595 596 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 597 { 598 /* 83xx adapter does not have max_sds_rings intialized in probe */ 599 if (adapter->max_sds_rings) 600 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 601 QLCNIC_RX_QUEUE); 602 else 603 adapter->drv_sds_rings = rx_cnt; 604 605 dev_info(&adapter->pdev->dev, "Set %d SDS rings\n", 606 adapter->drv_sds_rings); 607 } 608 609 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 610 { 611 struct pci_dev *pdev = adapter->pdev; 612 int drv_tx_rings, drv_sds_rings, tx_vector; 613 int err = -1, i; 614 615 if (adapter->flags & QLCNIC_TX_INTR_SHARED) { 616 drv_tx_rings = 0; 617 tx_vector = 0; 618 } else { 619 drv_tx_rings = adapter->drv_tx_rings; 620 tx_vector = 1; 621 } 622 623 if (!adapter->msix_entries) { 624 adapter->msix_entries = kcalloc(num_msix, 625 sizeof(struct msix_entry), 626 GFP_KERNEL); 627 if (!adapter->msix_entries) 628 return -ENOMEM; 629 } 630 631 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 632 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 633 634 if (adapter->ahw->msix_supported) { 635 enable_msix: 636 for (i = 0; i < num_msix; i++) 637 adapter->msix_entries[i].entry = i; 638 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); 639 if (err == 0) { 640 adapter->flags |= QLCNIC_MSIX_ENABLED; 641 if (qlcnic_83xx_check(adapter)) { 642 adapter->ahw->num_msix = num_msix; 643 /* subtract mail box and tx ring vectors */ 644 adapter->drv_sds_rings = num_msix - 645 drv_tx_rings - 1; 646 } else { 647 adapter->ahw->num_msix = num_msix; 648 if (qlcnic_check_multi_tx(adapter) && 649 !adapter->ahw->diag_test && 650 (adapter->drv_tx_rings > 1)) 651 drv_sds_rings = num_msix - drv_tx_rings; 652 else 653 drv_sds_rings = num_msix; 654 655 adapter->drv_sds_rings = drv_sds_rings; 656 } 657 dev_info(&pdev->dev, "using msi-x interrupts\n"); 658 return err; 659 } else if (err > 0) { 660 dev_info(&pdev->dev, 661 "Unable to allocate %d MSI-X interrupt vectors\n", 662 num_msix); 663 if (qlcnic_83xx_check(adapter)) { 664 if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector)) 665 return err; 666 err -= drv_tx_rings + 1; 667 num_msix = rounddown_pow_of_two(err); 668 num_msix += drv_tx_rings + 1; 669 } else { 670 num_msix = rounddown_pow_of_two(err); 671 if (qlcnic_check_multi_tx(adapter)) 672 num_msix += drv_tx_rings; 673 } 674 675 if (num_msix) { 676 dev_info(&pdev->dev, 677 "Trying to allocate %d MSI-X interrupt vectors\n", 678 num_msix); 679 goto enable_msix; 680 } 681 } else { 682 dev_info(&pdev->dev, 683 "Unable to allocate %d MSI-X interrupt vectors\n", 684 num_msix); 685 } 686 } 687 688 return err; 689 } 690 691 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 692 { 693 int err = 0; 694 u32 offset, mask_reg; 695 const struct qlcnic_legacy_intr_set *legacy_intrp; 696 struct qlcnic_hardware_context *ahw = adapter->ahw; 697 struct pci_dev *pdev = adapter->pdev; 698 699 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 700 adapter->flags |= QLCNIC_MSI_ENABLED; 701 offset = msi_tgt_status[adapter->ahw->pci_func]; 702 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 703 offset); 704 dev_info(&pdev->dev, "using msi interrupts\n"); 705 adapter->msix_entries[0].vector = pdev->irq; 706 return err; 707 } 708 709 if (qlcnic_use_msi || qlcnic_use_msi_x) 710 return -EOPNOTSUPP; 711 712 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 713 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 714 offset = legacy_intrp->tgt_status_reg; 715 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 716 mask_reg = legacy_intrp->tgt_mask_reg; 717 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 718 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 719 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 720 dev_info(&pdev->dev, "using legacy interrupts\n"); 721 adapter->msix_entries[0].vector = pdev->irq; 722 return err; 723 } 724 725 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 726 { 727 int num_msix, err = 0; 728 729 num_msix = adapter->drv_sds_rings; 730 731 if (qlcnic_check_multi_tx(adapter)) 732 num_msix += adapter->drv_tx_rings; 733 734 err = qlcnic_enable_msix(adapter, num_msix); 735 if (err == -ENOMEM) 736 return err; 737 738 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 739 qlcnic_disable_multi_tx(adapter); 740 741 err = qlcnic_enable_msi_legacy(adapter); 742 if (!err) 743 return err; 744 } 745 746 return 0; 747 } 748 749 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 750 { 751 struct qlcnic_hardware_context *ahw = adapter->ahw; 752 int err, i; 753 754 if (qlcnic_check_multi_tx(adapter) && 755 !ahw->diag_test && 756 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 757 ahw->intr_tbl = vzalloc(ahw->num_msix * 758 sizeof(struct qlcnic_intrpt_config)); 759 if (!ahw->intr_tbl) 760 return -ENOMEM; 761 762 for (i = 0; i < ahw->num_msix; i++) { 763 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 764 ahw->intr_tbl[i].id = i; 765 ahw->intr_tbl[i].src = 0; 766 } 767 768 err = qlcnic_82xx_config_intrpt(adapter, 1); 769 if (err) 770 dev_err(&adapter->pdev->dev, 771 "Failed to configure Interrupt for %d vector\n", 772 ahw->num_msix); 773 return err; 774 } 775 776 return 0; 777 } 778 779 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 780 { 781 if (adapter->flags & QLCNIC_MSIX_ENABLED) 782 pci_disable_msix(adapter->pdev); 783 if (adapter->flags & QLCNIC_MSI_ENABLED) 784 pci_disable_msi(adapter->pdev); 785 786 kfree(adapter->msix_entries); 787 adapter->msix_entries = NULL; 788 789 if (adapter->ahw->intr_tbl) { 790 vfree(adapter->ahw->intr_tbl); 791 adapter->ahw->intr_tbl = NULL; 792 } 793 } 794 795 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 796 { 797 if (ahw->pci_base0 != NULL) 798 iounmap(ahw->pci_base0); 799 } 800 801 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 802 { 803 struct qlcnic_pci_info *pci_info; 804 int ret; 805 806 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 807 switch (adapter->ahw->port_type) { 808 case QLCNIC_GBE: 809 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_GBE_PORTS; 810 break; 811 case QLCNIC_XGBE: 812 adapter->ahw->act_pci_func = QLCNIC_NIU_MAX_XG_PORTS; 813 break; 814 } 815 return 0; 816 } 817 818 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 819 return 0; 820 821 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 822 if (!pci_info) 823 return -ENOMEM; 824 825 ret = qlcnic_get_pci_info(adapter, pci_info); 826 kfree(pci_info); 827 return ret; 828 } 829 830 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 831 { 832 bool ret = false; 833 834 if (qlcnic_84xx_check(adapter)) { 835 ret = true; 836 } else if (qlcnic_83xx_check(adapter)) { 837 if (adapter->ahw->extra_capability[0] & 838 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 839 ret = true; 840 else 841 ret = false; 842 } 843 844 return ret; 845 } 846 847 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 848 { 849 struct qlcnic_pci_info *pci_info; 850 int i, id = 0, ret = 0, j = 0; 851 u16 act_pci_func; 852 u8 pfn; 853 854 pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL); 855 if (!pci_info) 856 return -ENOMEM; 857 858 ret = qlcnic_get_pci_info(adapter, pci_info); 859 if (ret) 860 goto err_pci_info; 861 862 act_pci_func = adapter->ahw->act_pci_func; 863 864 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 865 act_pci_func, GFP_KERNEL); 866 if (!adapter->npars) { 867 ret = -ENOMEM; 868 goto err_pci_info; 869 } 870 871 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 872 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 873 if (!adapter->eswitch) { 874 ret = -ENOMEM; 875 goto err_npars; 876 } 877 878 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) { 879 pfn = pci_info[i].id; 880 881 if (pfn >= QLCNIC_MAX_PCI_FUNC) { 882 ret = QL_STATUS_INVALID_PARAM; 883 goto err_eswitch; 884 } 885 886 if (!pci_info[i].active || 887 (pci_info[i].type != QLCNIC_TYPE_NIC)) 888 continue; 889 890 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 891 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 892 &id)) 893 adapter->npars[j].eswitch_status = true; 894 else 895 continue; 896 } else { 897 adapter->npars[j].eswitch_status = true; 898 } 899 900 adapter->npars[j].pci_func = pfn; 901 adapter->npars[j].active = (u8)pci_info[i].active; 902 adapter->npars[j].type = (u8)pci_info[i].type; 903 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 904 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 905 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 906 907 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 908 j++; 909 } 910 911 /* Update eSwitch status for adapters without per port eSwitch 912 * configuration capability 913 */ 914 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 915 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 916 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 917 } 918 919 kfree(pci_info); 920 return 0; 921 922 err_eswitch: 923 kfree(adapter->eswitch); 924 adapter->eswitch = NULL; 925 err_npars: 926 kfree(adapter->npars); 927 adapter->npars = NULL; 928 err_pci_info: 929 kfree(pci_info); 930 931 return ret; 932 } 933 934 static int 935 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 936 { 937 u8 id; 938 int ret; 939 u32 data = QLCNIC_MGMT_FUNC; 940 struct qlcnic_hardware_context *ahw = adapter->ahw; 941 942 ret = qlcnic_api_lock(adapter); 943 if (ret) 944 goto err_lock; 945 946 id = ahw->pci_func; 947 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 948 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 949 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 950 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 951 qlcnic_api_unlock(adapter); 952 err_lock: 953 return ret; 954 } 955 956 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 957 const struct pci_device_id *ent) 958 { 959 u32 op_mode, priv_level; 960 961 /* Determine FW API version */ 962 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 963 QLCNIC_FW_API); 964 965 /* Find PCI function number */ 966 qlcnic_get_func_no(adapter); 967 968 /* Determine function privilege level */ 969 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 970 if (op_mode == QLC_DEV_DRV_DEFAULT) 971 priv_level = QLCNIC_MGMT_FUNC; 972 else 973 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 974 975 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 976 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 977 dev_info(&adapter->pdev->dev, 978 "HAL Version: %d Non Privileged function\n", 979 adapter->ahw->fw_hal_version); 980 adapter->nic_ops = &qlcnic_vf_ops; 981 } else 982 adapter->nic_ops = &qlcnic_ops; 983 } 984 985 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 986 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 987 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 988 { 989 switch (dev_id) { 990 case PCI_DEVICE_ID_QLOGIC_QLE824X: 991 *bar = QLCNIC_82XX_BAR0_LENGTH; 992 break; 993 case PCI_DEVICE_ID_QLOGIC_QLE834X: 994 case PCI_DEVICE_ID_QLOGIC_QLE844X: 995 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 996 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 997 *bar = QLCNIC_83XX_BAR0_LENGTH; 998 break; 999 default: 1000 *bar = 0; 1001 } 1002 } 1003 1004 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1005 struct qlcnic_hardware_context *ahw) 1006 { 1007 u32 offset; 1008 void __iomem *mem_ptr0 = NULL; 1009 unsigned long mem_len, pci_len0 = 0, bar0_len; 1010 1011 /* remap phys address */ 1012 mem_len = pci_resource_len(pdev, 0); 1013 1014 qlcnic_get_bar_length(pdev->device, &bar0_len); 1015 if (mem_len >= bar0_len) { 1016 1017 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1018 if (mem_ptr0 == NULL) { 1019 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1020 return -EIO; 1021 } 1022 pci_len0 = mem_len; 1023 } else { 1024 return -EIO; 1025 } 1026 1027 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1028 1029 ahw->pci_base0 = mem_ptr0; 1030 ahw->pci_len0 = pci_len0; 1031 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1032 qlcnic_get_ioaddr(ahw, offset); 1033 1034 return 0; 1035 } 1036 1037 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1038 int index) 1039 { 1040 struct pci_dev *pdev = adapter->pdev; 1041 unsigned short subsystem_vendor; 1042 bool ret = true; 1043 1044 subsystem_vendor = pdev->subsystem_vendor; 1045 1046 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1047 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1048 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1049 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1050 ret = true; 1051 else 1052 ret = false; 1053 } 1054 1055 return ret; 1056 } 1057 1058 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1059 { 1060 struct pci_dev *pdev = adapter->pdev; 1061 int i, found = 0; 1062 1063 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1064 if (qlcnic_boards[i].vendor == pdev->vendor && 1065 qlcnic_boards[i].device == pdev->device && 1066 qlcnic_validate_subsystem_id(adapter, i)) { 1067 found = 1; 1068 break; 1069 } 1070 } 1071 1072 if (!found) 1073 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1074 else 1075 sprintf(name, "%pM: %s" , adapter->mac_addr, 1076 qlcnic_boards[i].short_name); 1077 } 1078 1079 static void 1080 qlcnic_check_options(struct qlcnic_adapter *adapter) 1081 { 1082 int err; 1083 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1084 struct pci_dev *pdev = adapter->pdev; 1085 struct qlcnic_hardware_context *ahw = adapter->ahw; 1086 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1087 1088 prev_fw_version = adapter->fw_version; 1089 1090 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1091 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1092 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1093 1094 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1095 1096 err = qlcnic_get_board_info(adapter); 1097 if (err) { 1098 dev_err(&pdev->dev, "Error getting board config info.\n"); 1099 return; 1100 } 1101 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1102 if (fw_dump->tmpl_hdr == NULL || 1103 adapter->fw_version > prev_fw_version) { 1104 if (fw_dump->tmpl_hdr) 1105 vfree(fw_dump->tmpl_hdr); 1106 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1107 dev_info(&pdev->dev, 1108 "Supports FW dump capability\n"); 1109 } 1110 } 1111 1112 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1113 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1114 1115 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1116 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1117 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1118 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1119 } else { 1120 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1121 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1122 } 1123 1124 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1125 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1126 1127 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1128 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1129 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1130 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1131 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1132 } 1133 1134 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1135 1136 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1137 1138 adapter->max_rds_rings = MAX_RDS_RINGS; 1139 } 1140 1141 static int 1142 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1143 { 1144 struct qlcnic_info nic_info; 1145 int err = 0; 1146 1147 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1148 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1149 if (err) 1150 return err; 1151 1152 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1153 adapter->ahw->switch_mode = nic_info.switch_mode; 1154 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1155 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1156 adapter->ahw->capabilities = nic_info.capabilities; 1157 1158 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1159 u32 temp; 1160 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1161 if (err == -EIO) 1162 return err; 1163 adapter->ahw->extra_capability[0] = temp; 1164 } else { 1165 adapter->ahw->extra_capability[0] = 0; 1166 } 1167 1168 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1169 adapter->ahw->max_mtu = nic_info.max_mtu; 1170 1171 if (adapter->ahw->capabilities & BIT_6) { 1172 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1173 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1174 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1175 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1176 1177 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1178 } else { 1179 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1180 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1181 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1182 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1183 } 1184 1185 return err; 1186 } 1187 1188 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1189 struct qlcnic_esw_func_cfg *esw_cfg) 1190 { 1191 if (esw_cfg->discard_tagged) 1192 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1193 else 1194 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1195 1196 if (esw_cfg->vlan_id) { 1197 adapter->rx_pvid = esw_cfg->vlan_id; 1198 adapter->tx_pvid = esw_cfg->vlan_id; 1199 } else { 1200 adapter->rx_pvid = 0; 1201 adapter->tx_pvid = 0; 1202 } 1203 } 1204 1205 static int 1206 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1207 { 1208 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1209 int err; 1210 1211 if (qlcnic_sriov_vf_check(adapter)) { 1212 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1213 if (err) { 1214 netdev_err(netdev, 1215 "Cannot add VLAN filter for VLAN id %d, err=%d", 1216 vid, err); 1217 return err; 1218 } 1219 } 1220 1221 set_bit(vid, adapter->vlans); 1222 return 0; 1223 } 1224 1225 static int 1226 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1227 { 1228 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1229 int err; 1230 1231 if (qlcnic_sriov_vf_check(adapter)) { 1232 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1233 if (err) { 1234 netdev_err(netdev, 1235 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1236 vid, err); 1237 return err; 1238 } 1239 } 1240 1241 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1242 clear_bit(vid, adapter->vlans); 1243 return 0; 1244 } 1245 1246 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1247 struct qlcnic_esw_func_cfg *esw_cfg) 1248 { 1249 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1250 QLCNIC_PROMISC_DISABLED); 1251 1252 if (esw_cfg->mac_anti_spoof) 1253 adapter->flags |= QLCNIC_MACSPOOF; 1254 1255 if (!esw_cfg->mac_override) 1256 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1257 1258 if (!esw_cfg->promisc_mode) 1259 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1260 } 1261 1262 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1263 { 1264 struct qlcnic_esw_func_cfg esw_cfg; 1265 1266 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1267 return 0; 1268 1269 esw_cfg.pci_func = adapter->ahw->pci_func; 1270 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1271 return -EIO; 1272 qlcnic_set_vlan_config(adapter, &esw_cfg); 1273 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1274 qlcnic_set_netdev_features(adapter, &esw_cfg); 1275 1276 return 0; 1277 } 1278 1279 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1280 struct qlcnic_esw_func_cfg *esw_cfg) 1281 { 1282 struct net_device *netdev = adapter->netdev; 1283 1284 if (qlcnic_83xx_check(adapter)) 1285 return; 1286 1287 adapter->offload_flags = esw_cfg->offload_flags; 1288 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1289 netdev_update_features(netdev); 1290 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1291 } 1292 1293 static int 1294 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1295 { 1296 u32 op_mode, priv_level; 1297 int err = 0; 1298 1299 err = qlcnic_initialize_nic(adapter); 1300 if (err) 1301 return err; 1302 1303 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1304 return 0; 1305 1306 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1307 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1308 1309 if (op_mode == QLC_DEV_DRV_DEFAULT) 1310 priv_level = QLCNIC_MGMT_FUNC; 1311 else 1312 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1313 1314 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1315 if (priv_level == QLCNIC_MGMT_FUNC) { 1316 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1317 err = qlcnic_init_pci_info(adapter); 1318 if (err) 1319 return err; 1320 /* Set privilege level for other functions */ 1321 qlcnic_set_function_modes(adapter); 1322 dev_info(&adapter->pdev->dev, 1323 "HAL Version: %d, Management function\n", 1324 adapter->ahw->fw_hal_version); 1325 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1326 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1327 dev_info(&adapter->pdev->dev, 1328 "HAL Version: %d, Privileged function\n", 1329 adapter->ahw->fw_hal_version); 1330 } 1331 } else { 1332 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1333 } 1334 1335 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1336 1337 return err; 1338 } 1339 1340 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1341 { 1342 struct qlcnic_esw_func_cfg esw_cfg; 1343 struct qlcnic_npar_info *npar; 1344 u8 i; 1345 1346 if (adapter->need_fw_reset) 1347 return 0; 1348 1349 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1350 if (!adapter->npars[i].eswitch_status) 1351 continue; 1352 1353 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1354 esw_cfg.pci_func = adapter->npars[i].pci_func; 1355 esw_cfg.mac_override = BIT_0; 1356 esw_cfg.promisc_mode = BIT_0; 1357 if (qlcnic_82xx_check(adapter)) { 1358 esw_cfg.offload_flags = BIT_0; 1359 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1360 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1361 } 1362 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1363 return -EIO; 1364 npar = &adapter->npars[i]; 1365 npar->pvid = esw_cfg.vlan_id; 1366 npar->mac_override = esw_cfg.mac_override; 1367 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1368 npar->discard_tagged = esw_cfg.discard_tagged; 1369 npar->promisc_mode = esw_cfg.promisc_mode; 1370 npar->offload_flags = esw_cfg.offload_flags; 1371 } 1372 1373 return 0; 1374 } 1375 1376 1377 static int 1378 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1379 struct qlcnic_npar_info *npar, int pci_func) 1380 { 1381 struct qlcnic_esw_func_cfg esw_cfg; 1382 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1383 esw_cfg.pci_func = pci_func; 1384 esw_cfg.vlan_id = npar->pvid; 1385 esw_cfg.mac_override = npar->mac_override; 1386 esw_cfg.discard_tagged = npar->discard_tagged; 1387 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1388 esw_cfg.offload_flags = npar->offload_flags; 1389 esw_cfg.promisc_mode = npar->promisc_mode; 1390 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1391 return -EIO; 1392 1393 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1394 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1395 return -EIO; 1396 1397 return 0; 1398 } 1399 1400 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1401 { 1402 int i, err; 1403 struct qlcnic_npar_info *npar; 1404 struct qlcnic_info nic_info; 1405 u8 pci_func; 1406 1407 if (qlcnic_82xx_check(adapter)) 1408 if (!adapter->need_fw_reset) 1409 return 0; 1410 1411 /* Set the NPAR config data after FW reset */ 1412 for (i = 0; i < adapter->ahw->act_pci_func; i++) { 1413 npar = &adapter->npars[i]; 1414 pci_func = npar->pci_func; 1415 if (!adapter->npars[i].eswitch_status) 1416 continue; 1417 1418 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1419 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1420 if (err) 1421 return err; 1422 nic_info.min_tx_bw = npar->min_bw; 1423 nic_info.max_tx_bw = npar->max_bw; 1424 err = qlcnic_set_nic_info(adapter, &nic_info); 1425 if (err) 1426 return err; 1427 1428 if (npar->enable_pm) { 1429 err = qlcnic_config_port_mirroring(adapter, 1430 npar->dest_npar, 1, 1431 pci_func); 1432 if (err) 1433 return err; 1434 } 1435 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1436 if (err) 1437 return err; 1438 } 1439 return 0; 1440 } 1441 1442 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1443 { 1444 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1445 u32 npar_state; 1446 1447 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1448 return 0; 1449 1450 npar_state = QLC_SHARED_REG_RD32(adapter, 1451 QLCNIC_CRB_DEV_NPAR_STATE); 1452 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1453 msleep(1000); 1454 npar_state = QLC_SHARED_REG_RD32(adapter, 1455 QLCNIC_CRB_DEV_NPAR_STATE); 1456 } 1457 if (!npar_opt_timeo) { 1458 dev_err(&adapter->pdev->dev, 1459 "Waiting for NPAR state to operational timeout\n"); 1460 return -EIO; 1461 } 1462 return 0; 1463 } 1464 1465 static int 1466 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1467 { 1468 int err; 1469 1470 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1471 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1472 return 0; 1473 1474 err = qlcnic_set_default_offload_settings(adapter); 1475 if (err) 1476 return err; 1477 1478 err = qlcnic_reset_npar_config(adapter); 1479 if (err) 1480 return err; 1481 1482 qlcnic_dev_set_npar_ready(adapter); 1483 1484 return err; 1485 } 1486 1487 int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1488 { 1489 int err; 1490 1491 err = qlcnic_can_start_firmware(adapter); 1492 if (err < 0) 1493 return err; 1494 else if (!err) 1495 goto check_fw_status; 1496 1497 if (qlcnic_load_fw_file) 1498 qlcnic_request_firmware(adapter); 1499 else { 1500 err = qlcnic_check_flash_fw_ver(adapter); 1501 if (err) 1502 goto err_out; 1503 1504 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1505 } 1506 1507 err = qlcnic_need_fw_reset(adapter); 1508 if (err == 0) 1509 goto check_fw_status; 1510 1511 err = qlcnic_pinit_from_rom(adapter); 1512 if (err) 1513 goto err_out; 1514 1515 err = qlcnic_load_firmware(adapter); 1516 if (err) 1517 goto err_out; 1518 1519 qlcnic_release_firmware(adapter); 1520 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1521 1522 check_fw_status: 1523 err = qlcnic_check_fw_status(adapter); 1524 if (err) 1525 goto err_out; 1526 1527 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1528 qlcnic_idc_debug_info(adapter, 1); 1529 err = qlcnic_check_eswitch_mode(adapter); 1530 if (err) { 1531 dev_err(&adapter->pdev->dev, 1532 "Memory allocation failed for eswitch\n"); 1533 goto err_out; 1534 } 1535 err = qlcnic_set_mgmt_operations(adapter); 1536 if (err) 1537 goto err_out; 1538 1539 qlcnic_check_options(adapter); 1540 adapter->need_fw_reset = 0; 1541 1542 qlcnic_release_firmware(adapter); 1543 return 0; 1544 1545 err_out: 1546 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1547 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1548 1549 qlcnic_release_firmware(adapter); 1550 return err; 1551 } 1552 1553 static int 1554 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1555 { 1556 irq_handler_t handler; 1557 struct qlcnic_host_sds_ring *sds_ring; 1558 struct qlcnic_host_tx_ring *tx_ring; 1559 int err, ring, num_sds_rings; 1560 1561 unsigned long flags = 0; 1562 struct net_device *netdev = adapter->netdev; 1563 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1564 1565 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1566 if (qlcnic_82xx_check(adapter)) 1567 handler = qlcnic_tmp_intr; 1568 else 1569 handler = qlcnic_83xx_tmp_intr; 1570 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1571 flags |= IRQF_SHARED; 1572 1573 } else { 1574 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1575 handler = qlcnic_msix_intr; 1576 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1577 handler = qlcnic_msi_intr; 1578 else { 1579 flags |= IRQF_SHARED; 1580 if (qlcnic_82xx_check(adapter)) 1581 handler = qlcnic_intr; 1582 else 1583 handler = qlcnic_83xx_intr; 1584 } 1585 } 1586 adapter->irq = netdev->irq; 1587 1588 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1589 if (qlcnic_82xx_check(adapter) || 1590 (qlcnic_83xx_check(adapter) && 1591 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1592 num_sds_rings = adapter->drv_sds_rings; 1593 for (ring = 0; ring < num_sds_rings; ring++) { 1594 sds_ring = &recv_ctx->sds_rings[ring]; 1595 if (qlcnic_82xx_check(adapter) && 1596 !qlcnic_check_multi_tx(adapter) && 1597 (ring == (num_sds_rings - 1))) { 1598 if (!(adapter->flags & 1599 QLCNIC_MSIX_ENABLED)) 1600 snprintf(sds_ring->name, 1601 sizeof(sds_ring->name), 1602 "qlcnic"); 1603 else 1604 snprintf(sds_ring->name, 1605 sizeof(sds_ring->name), 1606 "%s-tx-0-rx-%d", 1607 netdev->name, ring); 1608 } else { 1609 snprintf(sds_ring->name, 1610 sizeof(sds_ring->name), 1611 "%s-rx-%d", 1612 netdev->name, ring); 1613 } 1614 err = request_irq(sds_ring->irq, handler, flags, 1615 sds_ring->name, sds_ring); 1616 if (err) 1617 return err; 1618 } 1619 } 1620 if ((qlcnic_82xx_check(adapter) && 1621 qlcnic_check_multi_tx(adapter)) || 1622 (qlcnic_83xx_check(adapter) && 1623 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1624 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1625 handler = qlcnic_msix_tx_intr; 1626 for (ring = 0; ring < adapter->drv_tx_rings; 1627 ring++) { 1628 tx_ring = &adapter->tx_ring[ring]; 1629 snprintf(tx_ring->name, sizeof(tx_ring->name), 1630 "%s-tx-%d", netdev->name, ring); 1631 err = request_irq(tx_ring->irq, handler, flags, 1632 tx_ring->name, tx_ring); 1633 if (err) 1634 return err; 1635 } 1636 } 1637 } 1638 return 0; 1639 } 1640 1641 static void 1642 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1643 { 1644 int ring; 1645 struct qlcnic_host_sds_ring *sds_ring; 1646 struct qlcnic_host_tx_ring *tx_ring; 1647 1648 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1649 1650 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1651 if (qlcnic_82xx_check(adapter) || 1652 (qlcnic_83xx_check(adapter) && 1653 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1654 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1655 sds_ring = &recv_ctx->sds_rings[ring]; 1656 free_irq(sds_ring->irq, sds_ring); 1657 } 1658 } 1659 if ((qlcnic_83xx_check(adapter) && 1660 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1661 (qlcnic_82xx_check(adapter) && 1662 qlcnic_check_multi_tx(adapter))) { 1663 for (ring = 0; ring < adapter->drv_tx_rings; 1664 ring++) { 1665 tx_ring = &adapter->tx_ring[ring]; 1666 if (tx_ring->irq) 1667 free_irq(tx_ring->irq, tx_ring); 1668 } 1669 } 1670 } 1671 } 1672 1673 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1674 { 1675 u32 capab = 0; 1676 1677 if (qlcnic_82xx_check(adapter)) { 1678 if (adapter->ahw->extra_capability[0] & 1679 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1680 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1681 } else { 1682 capab = adapter->ahw->capabilities; 1683 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1684 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1685 } 1686 } 1687 1688 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1689 { 1690 int ring; 1691 struct qlcnic_host_rds_ring *rds_ring; 1692 1693 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1694 return -EIO; 1695 1696 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1697 return 0; 1698 1699 if (qlcnic_set_eswitch_port_config(adapter)) 1700 return -EIO; 1701 1702 qlcnic_get_lro_mss_capability(adapter); 1703 1704 if (qlcnic_fw_create_ctx(adapter)) 1705 return -EIO; 1706 1707 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1708 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1709 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1710 } 1711 1712 qlcnic_set_multi(netdev); 1713 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1714 1715 adapter->ahw->linkup = 0; 1716 1717 if (adapter->drv_sds_rings > 1) 1718 qlcnic_config_rss(adapter, 1); 1719 1720 qlcnic_config_intr_coalesce(adapter); 1721 1722 if (netdev->features & NETIF_F_LRO) 1723 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1724 1725 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1726 qlcnic_napi_enable(adapter); 1727 1728 qlcnic_linkevent_request(adapter, 1); 1729 1730 adapter->ahw->reset_context = 0; 1731 return 0; 1732 } 1733 1734 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1735 { 1736 int err = 0; 1737 1738 rtnl_lock(); 1739 if (netif_running(netdev)) 1740 err = __qlcnic_up(adapter, netdev); 1741 rtnl_unlock(); 1742 1743 return err; 1744 } 1745 1746 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1747 { 1748 int ring; 1749 1750 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1751 return; 1752 1753 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1754 return; 1755 1756 if (qlcnic_sriov_vf_check(adapter)) 1757 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1758 smp_mb(); 1759 netif_carrier_off(netdev); 1760 adapter->ahw->linkup = 0; 1761 netif_tx_disable(netdev); 1762 1763 qlcnic_free_mac_list(adapter); 1764 1765 if (adapter->fhash.fnum) 1766 qlcnic_delete_lb_filters(adapter); 1767 1768 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1769 1770 qlcnic_napi_disable(adapter); 1771 1772 qlcnic_fw_destroy_ctx(adapter); 1773 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1774 1775 qlcnic_reset_rx_buffers_list(adapter); 1776 1777 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1778 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1779 } 1780 1781 /* Usage: During suspend and firmware recovery module */ 1782 1783 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1784 { 1785 rtnl_lock(); 1786 if (netif_running(netdev)) 1787 __qlcnic_down(adapter, netdev); 1788 rtnl_unlock(); 1789 1790 } 1791 1792 int 1793 qlcnic_attach(struct qlcnic_adapter *adapter) 1794 { 1795 struct net_device *netdev = adapter->netdev; 1796 struct pci_dev *pdev = adapter->pdev; 1797 int err; 1798 1799 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1800 return 0; 1801 1802 err = qlcnic_napi_add(adapter, netdev); 1803 if (err) 1804 return err; 1805 1806 err = qlcnic_alloc_sw_resources(adapter); 1807 if (err) { 1808 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1809 goto err_out_napi_del; 1810 } 1811 1812 err = qlcnic_alloc_hw_resources(adapter); 1813 if (err) { 1814 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1815 goto err_out_free_sw; 1816 } 1817 1818 err = qlcnic_request_irq(adapter); 1819 if (err) { 1820 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1821 goto err_out_free_hw; 1822 } 1823 1824 qlcnic_create_sysfs_entries(adapter); 1825 1826 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 1827 return 0; 1828 1829 err_out_free_hw: 1830 qlcnic_free_hw_resources(adapter); 1831 err_out_free_sw: 1832 qlcnic_free_sw_resources(adapter); 1833 err_out_napi_del: 1834 qlcnic_napi_del(adapter); 1835 return err; 1836 } 1837 1838 void qlcnic_detach(struct qlcnic_adapter *adapter) 1839 { 1840 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1841 return; 1842 1843 qlcnic_remove_sysfs_entries(adapter); 1844 1845 qlcnic_free_hw_resources(adapter); 1846 qlcnic_release_rx_buffers(adapter); 1847 qlcnic_free_irq(adapter); 1848 qlcnic_napi_del(adapter); 1849 qlcnic_free_sw_resources(adapter); 1850 1851 adapter->is_up = 0; 1852 } 1853 1854 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 1855 { 1856 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1857 struct qlcnic_host_sds_ring *sds_ring; 1858 int drv_tx_rings = adapter->drv_tx_rings; 1859 int ring; 1860 1861 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 1862 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1863 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1864 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1865 qlcnic_disable_int(sds_ring); 1866 } 1867 } 1868 1869 qlcnic_fw_destroy_ctx(adapter); 1870 1871 qlcnic_detach(adapter); 1872 1873 adapter->ahw->diag_test = 0; 1874 adapter->drv_sds_rings = drv_sds_rings; 1875 adapter->drv_tx_rings = drv_tx_rings; 1876 1877 if (qlcnic_attach(adapter)) 1878 goto out; 1879 1880 if (netif_running(netdev)) 1881 __qlcnic_up(adapter, netdev); 1882 out: 1883 netif_device_attach(netdev); 1884 } 1885 1886 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 1887 { 1888 struct qlcnic_hardware_context *ahw = adapter->ahw; 1889 int err = 0; 1890 1891 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 1892 GFP_KERNEL); 1893 if (!adapter->recv_ctx) { 1894 err = -ENOMEM; 1895 goto err_out; 1896 } 1897 /* Initialize interrupt coalesce parameters */ 1898 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1899 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1900 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1901 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1902 if (qlcnic_83xx_check(adapter)) { 1903 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1904 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1905 } 1906 /* clear stats */ 1907 memset(&adapter->stats, 0, sizeof(adapter->stats)); 1908 err_out: 1909 return err; 1910 } 1911 1912 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 1913 { 1914 kfree(adapter->recv_ctx); 1915 adapter->recv_ctx = NULL; 1916 1917 if (adapter->ahw->fw_dump.tmpl_hdr) { 1918 vfree(adapter->ahw->fw_dump.tmpl_hdr); 1919 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1920 } 1921 1922 kfree(adapter->ahw->reset.buff); 1923 adapter->ahw->fw_dump.tmpl_hdr = NULL; 1924 } 1925 1926 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 1927 { 1928 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1929 struct qlcnic_host_sds_ring *sds_ring; 1930 struct qlcnic_host_rds_ring *rds_ring; 1931 int ring; 1932 int ret; 1933 1934 netif_device_detach(netdev); 1935 1936 if (netif_running(netdev)) 1937 __qlcnic_down(adapter, netdev); 1938 1939 qlcnic_detach(adapter); 1940 1941 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 1942 adapter->ahw->diag_test = test; 1943 adapter->ahw->linkup = 0; 1944 1945 ret = qlcnic_attach(adapter); 1946 if (ret) { 1947 netif_device_attach(netdev); 1948 return ret; 1949 } 1950 1951 ret = qlcnic_fw_create_ctx(adapter); 1952 if (ret) { 1953 qlcnic_detach(adapter); 1954 netif_device_attach(netdev); 1955 return ret; 1956 } 1957 1958 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1959 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1960 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1961 } 1962 1963 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1964 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1965 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1966 qlcnic_enable_int(sds_ring); 1967 } 1968 } 1969 1970 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 1971 adapter->ahw->loopback_state = 0; 1972 qlcnic_linkevent_request(adapter, 1); 1973 } 1974 1975 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1976 1977 return 0; 1978 } 1979 1980 /* Reset context in hardware only */ 1981 static int 1982 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 1983 { 1984 struct net_device *netdev = adapter->netdev; 1985 1986 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 1987 return -EBUSY; 1988 1989 netif_device_detach(netdev); 1990 1991 qlcnic_down(adapter, netdev); 1992 1993 qlcnic_up(adapter, netdev); 1994 1995 netif_device_attach(netdev); 1996 1997 clear_bit(__QLCNIC_RESETTING, &adapter->state); 1998 dev_err(&adapter->pdev->dev, "%s:\n", __func__); 1999 return 0; 2000 } 2001 2002 int 2003 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2004 { 2005 int err = 0; 2006 struct net_device *netdev = adapter->netdev; 2007 2008 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2009 return -EBUSY; 2010 2011 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2012 2013 netif_device_detach(netdev); 2014 2015 if (netif_running(netdev)) 2016 __qlcnic_down(adapter, netdev); 2017 2018 qlcnic_detach(adapter); 2019 2020 if (netif_running(netdev)) { 2021 err = qlcnic_attach(adapter); 2022 if (!err) { 2023 __qlcnic_up(adapter, netdev); 2024 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2025 } 2026 } 2027 2028 netif_device_attach(netdev); 2029 } 2030 2031 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2032 return err; 2033 } 2034 2035 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2036 { 2037 struct qlcnic_hardware_context *ahw = adapter->ahw; 2038 u16 act_pci_fn = ahw->act_pci_func; 2039 u16 count; 2040 2041 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2042 if (act_pci_fn <= 2) 2043 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2044 act_pci_fn; 2045 else 2046 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2047 act_pci_fn; 2048 ahw->max_uc_count = count; 2049 } 2050 2051 int 2052 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2053 int pci_using_dac) 2054 { 2055 int err; 2056 struct pci_dev *pdev = adapter->pdev; 2057 2058 adapter->rx_csum = 1; 2059 adapter->ahw->mc_enabled = 0; 2060 qlcnic_set_mac_filter_count(adapter); 2061 2062 netdev->netdev_ops = &qlcnic_netdev_ops; 2063 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2064 2065 qlcnic_change_mtu(netdev, netdev->mtu); 2066 2067 if (qlcnic_sriov_vf_check(adapter)) 2068 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops); 2069 else 2070 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); 2071 2072 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2073 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2074 NETIF_F_HW_VLAN_CTAG_RX); 2075 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2076 NETIF_F_IPV6_CSUM); 2077 2078 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2079 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2080 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2081 } 2082 2083 if (pci_using_dac) { 2084 netdev->features |= NETIF_F_HIGHDMA; 2085 netdev->vlan_features |= NETIF_F_HIGHDMA; 2086 } 2087 2088 if (qlcnic_vlan_tx_check(adapter)) 2089 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2090 2091 if (qlcnic_sriov_vf_check(adapter)) 2092 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2093 2094 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2095 netdev->features |= NETIF_F_LRO; 2096 2097 netdev->hw_features = netdev->features; 2098 netdev->priv_flags |= IFF_UNICAST_FLT; 2099 netdev->irq = adapter->msix_entries[0].vector; 2100 2101 err = qlcnic_set_real_num_queues(adapter, netdev); 2102 if (err) 2103 return err; 2104 2105 err = register_netdev(netdev); 2106 if (err) { 2107 dev_err(&pdev->dev, "failed to register net device\n"); 2108 return err; 2109 } 2110 2111 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2112 2113 return 0; 2114 } 2115 2116 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2117 { 2118 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2119 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2120 *pci_using_dac = 1; 2121 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2122 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2123 *pci_using_dac = 0; 2124 else { 2125 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2126 return -EIO; 2127 } 2128 2129 return 0; 2130 } 2131 2132 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2133 { 2134 int ring; 2135 struct qlcnic_host_tx_ring *tx_ring; 2136 2137 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2138 tx_ring = &adapter->tx_ring[ring]; 2139 if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 2140 vfree(tx_ring->cmd_buf_arr); 2141 tx_ring->cmd_buf_arr = NULL; 2142 } 2143 } 2144 if (adapter->tx_ring != NULL) 2145 kfree(adapter->tx_ring); 2146 } 2147 2148 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2149 struct net_device *netdev) 2150 { 2151 int ring, vector, index; 2152 struct qlcnic_host_tx_ring *tx_ring; 2153 struct qlcnic_cmd_buffer *cmd_buf_arr; 2154 2155 tx_ring = kcalloc(adapter->drv_tx_rings, 2156 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2157 if (tx_ring == NULL) 2158 return -ENOMEM; 2159 2160 adapter->tx_ring = tx_ring; 2161 2162 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2163 tx_ring = &adapter->tx_ring[ring]; 2164 tx_ring->num_desc = adapter->num_txd; 2165 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2166 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2167 if (cmd_buf_arr == NULL) { 2168 qlcnic_free_tx_rings(adapter); 2169 return -ENOMEM; 2170 } 2171 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 2172 tx_ring->cmd_buf_arr = cmd_buf_arr; 2173 spin_lock_init(&tx_ring->tx_clean_lock); 2174 } 2175 2176 if (qlcnic_83xx_check(adapter) || 2177 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2178 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2179 tx_ring = &adapter->tx_ring[ring]; 2180 tx_ring->adapter = adapter; 2181 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2182 index = adapter->drv_sds_rings + ring; 2183 vector = adapter->msix_entries[index].vector; 2184 tx_ring->irq = vector; 2185 } 2186 } 2187 } 2188 2189 return 0; 2190 } 2191 2192 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2193 { 2194 struct qlcnic_hardware_context *ahw = adapter->ahw; 2195 u32 fw_cmd = 0; 2196 2197 if (qlcnic_82xx_check(adapter)) 2198 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2199 else if (qlcnic_83xx_check(adapter)) 2200 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2201 2202 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2203 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2204 } 2205 2206 static int 2207 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2208 { 2209 struct net_device *netdev = NULL; 2210 struct qlcnic_adapter *adapter = NULL; 2211 struct qlcnic_hardware_context *ahw; 2212 int err, pci_using_dac = -1; 2213 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2214 struct qlcnic_dcb *dcb; 2215 2216 if (pdev->is_virtfn) 2217 return -ENODEV; 2218 2219 err = pci_enable_device(pdev); 2220 if (err) 2221 return err; 2222 2223 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2224 err = -ENODEV; 2225 goto err_out_disable_pdev; 2226 } 2227 2228 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2229 if (err) 2230 goto err_out_disable_pdev; 2231 2232 err = pci_request_regions(pdev, qlcnic_driver_name); 2233 if (err) 2234 goto err_out_disable_pdev; 2235 2236 pci_set_master(pdev); 2237 pci_enable_pcie_error_reporting(pdev); 2238 2239 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2240 if (!ahw) { 2241 err = -ENOMEM; 2242 goto err_out_free_res; 2243 } 2244 2245 switch (ent->device) { 2246 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2247 ahw->hw_ops = &qlcnic_hw_ops; 2248 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2249 break; 2250 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2251 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2252 qlcnic_83xx_register_map(ahw); 2253 break; 2254 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2255 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2256 qlcnic_sriov_vf_register_map(ahw); 2257 break; 2258 default: 2259 goto err_out_free_hw_res; 2260 } 2261 2262 err = qlcnic_setup_pci_map(pdev, ahw); 2263 if (err) 2264 goto err_out_free_hw_res; 2265 2266 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2267 QLCNIC_MAX_TX_RINGS); 2268 if (!netdev) { 2269 err = -ENOMEM; 2270 goto err_out_iounmap; 2271 } 2272 2273 SET_NETDEV_DEV(netdev, &pdev->dev); 2274 2275 adapter = netdev_priv(netdev); 2276 adapter->netdev = netdev; 2277 adapter->pdev = pdev; 2278 adapter->ahw = ahw; 2279 2280 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2281 if (adapter->qlcnic_wq == NULL) { 2282 err = -ENOMEM; 2283 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2284 goto err_out_free_netdev; 2285 } 2286 2287 err = qlcnic_alloc_adapter_resources(adapter); 2288 if (err) 2289 goto err_out_free_wq; 2290 2291 adapter->dev_rst_time = jiffies; 2292 adapter->ahw->revision_id = pdev->revision; 2293 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2294 adapter->fdb_mac_learn = true; 2295 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2296 adapter->drv_mac_learn = true; 2297 2298 rwlock_init(&adapter->ahw->crb_lock); 2299 mutex_init(&adapter->ahw->mem_lock); 2300 2301 INIT_LIST_HEAD(&adapter->mac_list); 2302 2303 qlcnic_register_dcb(adapter); 2304 2305 if (qlcnic_82xx_check(adapter)) { 2306 qlcnic_check_vf(adapter, ent); 2307 adapter->portnum = adapter->ahw->pci_func; 2308 err = qlcnic_start_firmware(adapter); 2309 if (err) { 2310 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2311 "\t\tIf reboot doesn't help, try flashing the card\n"); 2312 goto err_out_maintenance_mode; 2313 } 2314 2315 /* compute and set default and max tx/sds rings */ 2316 if (adapter->ahw->msix_supported) { 2317 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2318 qlcnic_set_tx_ring_count(adapter, 2319 QLCNIC_SINGLE_RING); 2320 else 2321 qlcnic_set_tx_ring_count(adapter, 2322 QLCNIC_DEF_TX_RINGS); 2323 qlcnic_set_sds_ring_count(adapter, 2324 QLCNIC_DEF_SDS_RINGS); 2325 } else { 2326 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2327 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2328 } 2329 2330 err = qlcnic_setup_idc_param(adapter); 2331 if (err) 2332 goto err_out_free_hw; 2333 2334 adapter->flags |= QLCNIC_NEED_FLR; 2335 2336 dcb = adapter->dcb; 2337 2338 if (dcb && qlcnic_dcb_attach(dcb)) 2339 qlcnic_clear_dcb_ops(dcb); 2340 } else if (qlcnic_83xx_check(adapter)) { 2341 qlcnic_83xx_check_vf(adapter, ent); 2342 adapter->portnum = adapter->ahw->pci_func; 2343 err = qlcnic_83xx_init(adapter, pci_using_dac); 2344 if (err) { 2345 switch (err) { 2346 case -ENOTRECOVERABLE: 2347 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware. Please reboot\n"); 2348 dev_err(&pdev->dev, "If reboot doesn't help, please replace the adapter with new one and return the faulty adapter for repair\n"); 2349 goto err_out_free_hw; 2350 case -ENOMEM: 2351 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2352 goto err_out_free_hw; 2353 default: 2354 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n"); 2355 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n"); 2356 goto err_out_maintenance_mode; 2357 } 2358 } 2359 2360 if (qlcnic_sriov_vf_check(adapter)) 2361 return 0; 2362 } else { 2363 dev_err(&pdev->dev, 2364 "%s: failed. Please Reboot\n", __func__); 2365 goto err_out_free_hw; 2366 } 2367 2368 if (qlcnic_read_mac_addr(adapter)) 2369 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2370 2371 qlcnic_read_phys_port_id(adapter); 2372 2373 if (adapter->portnum == 0) { 2374 qlcnic_get_board_name(adapter, board_name); 2375 2376 pr_info("%s: %s Board Chip rev 0x%x\n", 2377 module_name(THIS_MODULE), 2378 board_name, adapter->ahw->revision_id); 2379 } 2380 2381 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2382 !!qlcnic_use_msi) 2383 dev_warn(&pdev->dev, 2384 "Device does not support MSI interrupts\n"); 2385 2386 if (qlcnic_82xx_check(adapter)) { 2387 err = qlcnic_setup_intr(adapter); 2388 if (err) { 2389 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2390 goto err_out_disable_msi; 2391 } 2392 } 2393 2394 err = qlcnic_get_act_pci_func(adapter); 2395 if (err) 2396 goto err_out_disable_mbx_intr; 2397 2398 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2399 if (err) 2400 goto err_out_disable_mbx_intr; 2401 2402 if (adapter->portnum == 0) 2403 qlcnic_set_drv_version(adapter); 2404 2405 pci_set_drvdata(pdev, adapter); 2406 2407 if (qlcnic_82xx_check(adapter)) 2408 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2409 FW_POLL_DELAY); 2410 2411 switch (adapter->ahw->port_type) { 2412 case QLCNIC_GBE: 2413 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2414 adapter->netdev->name); 2415 break; 2416 case QLCNIC_XGBE: 2417 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2418 adapter->netdev->name); 2419 break; 2420 } 2421 2422 if (adapter->drv_mac_learn) 2423 qlcnic_alloc_lb_filters_mem(adapter); 2424 2425 qlcnic_add_sysfs(adapter); 2426 2427 return 0; 2428 2429 err_out_disable_mbx_intr: 2430 if (qlcnic_83xx_check(adapter)) 2431 qlcnic_83xx_free_mbx_intr(adapter); 2432 2433 err_out_disable_msi: 2434 qlcnic_teardown_intr(adapter); 2435 qlcnic_cancel_idc_work(adapter); 2436 qlcnic_clr_all_drv_state(adapter, 0); 2437 2438 err_out_free_hw: 2439 qlcnic_free_adapter_resources(adapter); 2440 2441 err_out_free_wq: 2442 destroy_workqueue(adapter->qlcnic_wq); 2443 2444 err_out_free_netdev: 2445 free_netdev(netdev); 2446 2447 err_out_iounmap: 2448 qlcnic_cleanup_pci_map(ahw); 2449 2450 err_out_free_hw_res: 2451 kfree(ahw); 2452 2453 err_out_free_res: 2454 pci_release_regions(pdev); 2455 2456 err_out_disable_pdev: 2457 pci_disable_device(pdev); 2458 return err; 2459 2460 err_out_maintenance_mode: 2461 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2462 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2463 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops); 2464 ahw->port_type = QLCNIC_XGBE; 2465 2466 if (qlcnic_83xx_check(adapter)) 2467 adapter->tgt_status_reg = NULL; 2468 else 2469 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2470 2471 err = register_netdev(netdev); 2472 2473 if (err) { 2474 dev_err(&pdev->dev, "Failed to register net device\n"); 2475 qlcnic_clr_all_drv_state(adapter, 0); 2476 goto err_out_free_hw; 2477 } 2478 2479 pci_set_drvdata(pdev, adapter); 2480 qlcnic_add_sysfs(adapter); 2481 2482 return 0; 2483 } 2484 2485 static void qlcnic_remove(struct pci_dev *pdev) 2486 { 2487 struct qlcnic_adapter *adapter; 2488 struct net_device *netdev; 2489 struct qlcnic_hardware_context *ahw; 2490 2491 adapter = pci_get_drvdata(pdev); 2492 if (adapter == NULL) 2493 return; 2494 2495 netdev = adapter->netdev; 2496 qlcnic_sriov_pf_disable(adapter); 2497 2498 qlcnic_cancel_idc_work(adapter); 2499 ahw = adapter->ahw; 2500 2501 qlcnic_dcb_free(adapter->dcb); 2502 2503 unregister_netdev(netdev); 2504 qlcnic_sriov_cleanup(adapter); 2505 2506 if (qlcnic_83xx_check(adapter)) { 2507 qlcnic_83xx_register_nic_idc_func(adapter, 0); 2508 cancel_delayed_work_sync(&adapter->idc_aen_work); 2509 qlcnic_83xx_free_mbx_intr(adapter); 2510 qlcnic_83xx_detach_mailbox_work(adapter); 2511 qlcnic_83xx_free_mailbox(ahw->mailbox); 2512 kfree(ahw->fw_info); 2513 } 2514 2515 qlcnic_detach(adapter); 2516 2517 if (adapter->npars != NULL) 2518 kfree(adapter->npars); 2519 if (adapter->eswitch != NULL) 2520 kfree(adapter->eswitch); 2521 2522 if (qlcnic_82xx_check(adapter)) 2523 qlcnic_clr_all_drv_state(adapter, 0); 2524 2525 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2526 2527 qlcnic_free_lb_filters_mem(adapter); 2528 2529 qlcnic_teardown_intr(adapter); 2530 2531 qlcnic_remove_sysfs(adapter); 2532 2533 qlcnic_cleanup_pci_map(adapter->ahw); 2534 2535 qlcnic_release_firmware(adapter); 2536 2537 pci_disable_pcie_error_reporting(pdev); 2538 pci_release_regions(pdev); 2539 pci_disable_device(pdev); 2540 2541 if (adapter->qlcnic_wq) { 2542 destroy_workqueue(adapter->qlcnic_wq); 2543 adapter->qlcnic_wq = NULL; 2544 } 2545 2546 qlcnic_free_adapter_resources(adapter); 2547 kfree(ahw); 2548 free_netdev(netdev); 2549 } 2550 2551 static void qlcnic_shutdown(struct pci_dev *pdev) 2552 { 2553 if (__qlcnic_shutdown(pdev)) 2554 return; 2555 2556 pci_disable_device(pdev); 2557 } 2558 2559 #ifdef CONFIG_PM 2560 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2561 { 2562 int retval; 2563 2564 retval = __qlcnic_shutdown(pdev); 2565 if (retval) 2566 return retval; 2567 2568 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2569 return 0; 2570 } 2571 2572 static int qlcnic_resume(struct pci_dev *pdev) 2573 { 2574 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2575 int err; 2576 2577 err = pci_enable_device(pdev); 2578 if (err) 2579 return err; 2580 2581 pci_set_power_state(pdev, PCI_D0); 2582 pci_set_master(pdev); 2583 pci_restore_state(pdev); 2584 2585 return __qlcnic_resume(adapter); 2586 } 2587 #endif 2588 2589 static int qlcnic_open(struct net_device *netdev) 2590 { 2591 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2592 int err; 2593 2594 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2595 netdev_err(netdev, "%s: Device is in non-operational state\n", 2596 __func__); 2597 2598 return -EIO; 2599 } 2600 2601 netif_carrier_off(netdev); 2602 2603 err = qlcnic_attach(adapter); 2604 if (err) 2605 return err; 2606 2607 err = __qlcnic_up(adapter, netdev); 2608 if (err) 2609 goto err_out; 2610 2611 netif_tx_start_all_queues(netdev); 2612 2613 return 0; 2614 2615 err_out: 2616 qlcnic_detach(adapter); 2617 return err; 2618 } 2619 2620 /* 2621 * qlcnic_close - Disables a network interface entry point 2622 */ 2623 static int qlcnic_close(struct net_device *netdev) 2624 { 2625 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2626 2627 __qlcnic_down(adapter, netdev); 2628 2629 return 0; 2630 } 2631 2632 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2633 { 2634 void *head; 2635 int i; 2636 struct net_device *netdev = adapter->netdev; 2637 u32 filter_size = 0; 2638 u16 act_pci_func = 0; 2639 2640 if (adapter->fhash.fmax && adapter->fhash.fhead) 2641 return; 2642 2643 act_pci_func = adapter->ahw->act_pci_func; 2644 spin_lock_init(&adapter->mac_learn_lock); 2645 spin_lock_init(&adapter->rx_mac_learn_lock); 2646 2647 if (qlcnic_82xx_check(adapter)) { 2648 filter_size = QLCNIC_LB_MAX_FILTERS; 2649 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2650 } else { 2651 filter_size = QLC_83XX_LB_MAX_FILTERS; 2652 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2653 } 2654 2655 head = kcalloc(adapter->fhash.fbucket_size, 2656 sizeof(struct hlist_head), GFP_ATOMIC); 2657 2658 if (!head) 2659 return; 2660 2661 adapter->fhash.fmax = (filter_size / act_pci_func); 2662 adapter->fhash.fhead = head; 2663 2664 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2665 act_pci_func, adapter->fhash.fmax); 2666 2667 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2668 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2669 2670 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2671 2672 head = kcalloc(adapter->rx_fhash.fbucket_size, 2673 sizeof(struct hlist_head), GFP_ATOMIC); 2674 2675 if (!head) 2676 return; 2677 2678 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2679 adapter->rx_fhash.fhead = head; 2680 2681 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2682 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2683 } 2684 2685 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2686 { 2687 if (adapter->fhash.fmax && adapter->fhash.fhead) 2688 kfree(adapter->fhash.fhead); 2689 2690 adapter->fhash.fhead = NULL; 2691 adapter->fhash.fmax = 0; 2692 2693 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 2694 kfree(adapter->rx_fhash.fhead); 2695 2696 adapter->rx_fhash.fmax = 0; 2697 adapter->rx_fhash.fhead = NULL; 2698 } 2699 2700 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2701 { 2702 struct net_device *netdev = adapter->netdev; 2703 u32 temp_state, temp_val, temp = 0; 2704 int rv = 0; 2705 2706 if (qlcnic_83xx_check(adapter)) 2707 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2708 2709 if (qlcnic_82xx_check(adapter)) 2710 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2711 2712 temp_state = qlcnic_get_temp_state(temp); 2713 temp_val = qlcnic_get_temp_val(temp); 2714 2715 if (temp_state == QLCNIC_TEMP_PANIC) { 2716 dev_err(&netdev->dev, 2717 "Device temperature %d degrees C exceeds" 2718 " maximum allowed. Hardware has been shut down.\n", 2719 temp_val); 2720 rv = 1; 2721 } else if (temp_state == QLCNIC_TEMP_WARN) { 2722 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2723 dev_err(&netdev->dev, 2724 "Device temperature %d degrees C " 2725 "exceeds operating range." 2726 " Immediate action needed.\n", 2727 temp_val); 2728 } 2729 } else { 2730 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2731 dev_info(&netdev->dev, 2732 "Device temperature is now %d degrees C" 2733 " in normal range.\n", temp_val); 2734 } 2735 } 2736 adapter->ahw->temp = temp_state; 2737 return rv; 2738 } 2739 2740 static void qlcnic_tx_timeout(struct net_device *netdev) 2741 { 2742 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2743 struct qlcnic_host_tx_ring *tx_ring; 2744 int ring; 2745 2746 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 2747 return; 2748 2749 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) { 2750 netdev_info(netdev, "Tx timeout, reset the adapter.\n"); 2751 if (qlcnic_82xx_check(adapter)) 2752 adapter->need_fw_reset = 1; 2753 else if (qlcnic_83xx_check(adapter)) 2754 qlcnic_83xx_idc_request_reset(adapter, 2755 QLCNIC_FORCE_FW_DUMP_KEY); 2756 } else { 2757 netdev_info(netdev, "Tx timeout, reset adapter context.\n"); 2758 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2759 tx_ring = &adapter->tx_ring[ring]; 2760 netdev_info(netdev, "Tx ring=%d\n", ring); 2761 netdev_info(netdev, 2762 "crb_intr_mask=%d, producer=%d, sw_consumer=%d, hw_consumer=%d\n", 2763 readl(tx_ring->crb_intr_mask), 2764 readl(tx_ring->crb_cmd_producer), 2765 tx_ring->sw_consumer, 2766 le32_to_cpu(*(tx_ring->hw_consumer))); 2767 netdev_info(netdev, 2768 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 2769 tx_ring->tx_stats.xmit_finished, 2770 tx_ring->tx_stats.xmit_called, 2771 tx_ring->tx_stats.xmit_on, 2772 tx_ring->tx_stats.xmit_off); 2773 } 2774 adapter->ahw->reset_context = 1; 2775 } 2776 } 2777 2778 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 2779 { 2780 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2781 struct net_device_stats *stats = &netdev->stats; 2782 2783 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 2784 qlcnic_update_stats(adapter); 2785 2786 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 2787 stats->tx_packets = adapter->stats.xmitfinished; 2788 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 2789 stats->tx_bytes = adapter->stats.txbytes; 2790 stats->rx_dropped = adapter->stats.rxdropped; 2791 stats->tx_dropped = adapter->stats.txdropped; 2792 2793 return stats; 2794 } 2795 2796 irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 2797 { 2798 u32 status; 2799 2800 status = readl(adapter->isr_int_vec); 2801 2802 if (!(status & adapter->ahw->int_vec_bit)) 2803 return IRQ_NONE; 2804 2805 /* check interrupt state machine, to be sure */ 2806 status = readl(adapter->crb_int_state_reg); 2807 if (!ISR_LEGACY_INT_TRIGGERED(status)) 2808 return IRQ_NONE; 2809 2810 writel(0xffffffff, adapter->tgt_status_reg); 2811 /* read twice to ensure write is flushed */ 2812 readl(adapter->isr_int_vec); 2813 readl(adapter->isr_int_vec); 2814 2815 return IRQ_HANDLED; 2816 } 2817 2818 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 2819 { 2820 struct qlcnic_host_sds_ring *sds_ring = data; 2821 struct qlcnic_adapter *adapter = sds_ring->adapter; 2822 2823 if (adapter->flags & QLCNIC_MSIX_ENABLED) 2824 goto done; 2825 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 2826 writel(0xffffffff, adapter->tgt_status_reg); 2827 goto done; 2828 } 2829 2830 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2831 return IRQ_NONE; 2832 2833 done: 2834 adapter->ahw->diag_cnt++; 2835 qlcnic_enable_int(sds_ring); 2836 return IRQ_HANDLED; 2837 } 2838 2839 static irqreturn_t qlcnic_intr(int irq, void *data) 2840 { 2841 struct qlcnic_host_sds_ring *sds_ring = data; 2842 struct qlcnic_adapter *adapter = sds_ring->adapter; 2843 2844 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2845 return IRQ_NONE; 2846 2847 napi_schedule(&sds_ring->napi); 2848 2849 return IRQ_HANDLED; 2850 } 2851 2852 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 2853 { 2854 struct qlcnic_host_sds_ring *sds_ring = data; 2855 struct qlcnic_adapter *adapter = sds_ring->adapter; 2856 2857 /* clear interrupt */ 2858 writel(0xffffffff, adapter->tgt_status_reg); 2859 2860 napi_schedule(&sds_ring->napi); 2861 return IRQ_HANDLED; 2862 } 2863 2864 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 2865 { 2866 struct qlcnic_host_sds_ring *sds_ring = data; 2867 2868 napi_schedule(&sds_ring->napi); 2869 return IRQ_HANDLED; 2870 } 2871 2872 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 2873 { 2874 struct qlcnic_host_tx_ring *tx_ring = data; 2875 2876 napi_schedule(&tx_ring->napi); 2877 return IRQ_HANDLED; 2878 } 2879 2880 #ifdef CONFIG_NET_POLL_CONTROLLER 2881 static void qlcnic_poll_controller(struct net_device *netdev) 2882 { 2883 int ring; 2884 struct qlcnic_host_sds_ring *sds_ring; 2885 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2886 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 2887 2888 disable_irq(adapter->irq); 2889 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2890 sds_ring = &recv_ctx->sds_rings[ring]; 2891 qlcnic_intr(adapter->irq, sds_ring); 2892 } 2893 enable_irq(adapter->irq); 2894 } 2895 #endif 2896 2897 static void 2898 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 2899 { 2900 u32 val; 2901 2902 val = adapter->portnum & 0xf; 2903 val |= encoding << 7; 2904 val |= (jiffies - adapter->dev_rst_time) << 8; 2905 2906 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 2907 adapter->dev_rst_time = jiffies; 2908 } 2909 2910 static int 2911 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 2912 { 2913 u32 val; 2914 2915 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 2916 state != QLCNIC_DEV_NEED_QUISCENT); 2917 2918 if (qlcnic_api_lock(adapter)) 2919 return -EIO; 2920 2921 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2922 2923 if (state == QLCNIC_DEV_NEED_RESET) 2924 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2925 else if (state == QLCNIC_DEV_NEED_QUISCENT) 2926 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 2927 2928 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2929 2930 qlcnic_api_unlock(adapter); 2931 2932 return 0; 2933 } 2934 2935 static int 2936 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 2937 { 2938 u32 val; 2939 2940 if (qlcnic_api_lock(adapter)) 2941 return -EBUSY; 2942 2943 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2944 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2945 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2946 2947 qlcnic_api_unlock(adapter); 2948 2949 return 0; 2950 } 2951 2952 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 2953 { 2954 u32 val; 2955 2956 if (qlcnic_api_lock(adapter)) 2957 goto err; 2958 2959 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2960 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 2961 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 2962 2963 if (failed) { 2964 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2965 QLCNIC_DEV_FAILED); 2966 dev_info(&adapter->pdev->dev, 2967 "Device state set to Failed. Please Reboot\n"); 2968 } else if (!(val & 0x11111111)) 2969 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 2970 QLCNIC_DEV_COLD); 2971 2972 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2973 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 2974 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2975 2976 qlcnic_api_unlock(adapter); 2977 err: 2978 adapter->fw_fail_cnt = 0; 2979 adapter->flags &= ~QLCNIC_FW_HANG; 2980 clear_bit(__QLCNIC_START_FW, &adapter->state); 2981 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2982 } 2983 2984 /* Grab api lock, before checking state */ 2985 static int 2986 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 2987 { 2988 int act, state, active_mask; 2989 struct qlcnic_hardware_context *ahw = adapter->ahw; 2990 2991 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2992 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 2993 2994 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 2995 active_mask = (~(1 << (ahw->pci_func * 4))); 2996 act = act & active_mask; 2997 } 2998 2999 if (((state & 0x11111111) == (act & 0x11111111)) || 3000 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3001 return 0; 3002 else 3003 return 1; 3004 } 3005 3006 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3007 { 3008 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3009 3010 if (val != QLCNIC_DRV_IDC_VER) { 3011 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3012 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3013 } 3014 3015 return 0; 3016 } 3017 3018 static int 3019 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3020 { 3021 u32 val, prev_state; 3022 u8 dev_init_timeo = adapter->dev_init_timeo; 3023 u8 portnum = adapter->portnum; 3024 u8 ret; 3025 3026 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3027 return 1; 3028 3029 if (qlcnic_api_lock(adapter)) 3030 return -1; 3031 3032 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3033 if (!(val & (1 << (portnum * 4)))) { 3034 QLC_DEV_SET_REF_CNT(val, portnum); 3035 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3036 } 3037 3038 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3039 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3040 3041 switch (prev_state) { 3042 case QLCNIC_DEV_COLD: 3043 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3044 QLCNIC_DEV_INITIALIZING); 3045 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3046 QLCNIC_DRV_IDC_VER); 3047 qlcnic_idc_debug_info(adapter, 0); 3048 qlcnic_api_unlock(adapter); 3049 return 1; 3050 3051 case QLCNIC_DEV_READY: 3052 ret = qlcnic_check_idc_ver(adapter); 3053 qlcnic_api_unlock(adapter); 3054 return ret; 3055 3056 case QLCNIC_DEV_NEED_RESET: 3057 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3058 QLC_DEV_SET_RST_RDY(val, portnum); 3059 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3060 break; 3061 3062 case QLCNIC_DEV_NEED_QUISCENT: 3063 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3064 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3065 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3066 break; 3067 3068 case QLCNIC_DEV_FAILED: 3069 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3070 qlcnic_api_unlock(adapter); 3071 return -1; 3072 3073 case QLCNIC_DEV_INITIALIZING: 3074 case QLCNIC_DEV_QUISCENT: 3075 break; 3076 } 3077 3078 qlcnic_api_unlock(adapter); 3079 3080 do { 3081 msleep(1000); 3082 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3083 3084 if (prev_state == QLCNIC_DEV_QUISCENT) 3085 continue; 3086 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3087 3088 if (!dev_init_timeo) { 3089 dev_err(&adapter->pdev->dev, 3090 "Waiting for device to initialize timeout\n"); 3091 return -1; 3092 } 3093 3094 if (qlcnic_api_lock(adapter)) 3095 return -1; 3096 3097 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3098 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3099 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3100 3101 ret = qlcnic_check_idc_ver(adapter); 3102 qlcnic_api_unlock(adapter); 3103 3104 return ret; 3105 } 3106 3107 static void 3108 qlcnic_fwinit_work(struct work_struct *work) 3109 { 3110 struct qlcnic_adapter *adapter = container_of(work, 3111 struct qlcnic_adapter, fw_work.work); 3112 u32 dev_state = 0xf; 3113 u32 val; 3114 3115 if (qlcnic_api_lock(adapter)) 3116 goto err_ret; 3117 3118 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3119 if (dev_state == QLCNIC_DEV_QUISCENT || 3120 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3121 qlcnic_api_unlock(adapter); 3122 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3123 FW_POLL_DELAY * 2); 3124 return; 3125 } 3126 3127 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3128 qlcnic_api_unlock(adapter); 3129 goto wait_npar; 3130 } 3131 3132 if (dev_state == QLCNIC_DEV_INITIALIZING || 3133 dev_state == QLCNIC_DEV_READY) { 3134 dev_info(&adapter->pdev->dev, "Detected state change from " 3135 "DEV_NEED_RESET, skipping ack check\n"); 3136 goto skip_ack_check; 3137 } 3138 3139 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3140 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3141 adapter->reset_ack_timeo); 3142 goto skip_ack_check; 3143 } 3144 3145 if (!qlcnic_check_drv_state(adapter)) { 3146 skip_ack_check: 3147 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3148 3149 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3150 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3151 QLCNIC_DEV_INITIALIZING); 3152 set_bit(__QLCNIC_START_FW, &adapter->state); 3153 QLCDB(adapter, DRV, "Restarting fw\n"); 3154 qlcnic_idc_debug_info(adapter, 0); 3155 val = QLC_SHARED_REG_RD32(adapter, 3156 QLCNIC_CRB_DRV_STATE); 3157 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3158 QLC_SHARED_REG_WR32(adapter, 3159 QLCNIC_CRB_DRV_STATE, val); 3160 } 3161 3162 qlcnic_api_unlock(adapter); 3163 3164 rtnl_lock(); 3165 if (qlcnic_check_fw_dump_state(adapter) && 3166 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3167 QLCDB(adapter, DRV, "Take FW dump\n"); 3168 qlcnic_dump_fw(adapter); 3169 adapter->flags |= QLCNIC_FW_HANG; 3170 } 3171 rtnl_unlock(); 3172 3173 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3174 if (!adapter->nic_ops->start_firmware(adapter)) { 3175 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3176 adapter->fw_wait_cnt = 0; 3177 return; 3178 } 3179 goto err_ret; 3180 } 3181 3182 qlcnic_api_unlock(adapter); 3183 3184 wait_npar: 3185 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3186 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3187 3188 switch (dev_state) { 3189 case QLCNIC_DEV_READY: 3190 if (!qlcnic_start_firmware(adapter)) { 3191 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3192 adapter->fw_wait_cnt = 0; 3193 return; 3194 } 3195 case QLCNIC_DEV_FAILED: 3196 break; 3197 default: 3198 qlcnic_schedule_work(adapter, 3199 qlcnic_fwinit_work, FW_POLL_DELAY); 3200 return; 3201 } 3202 3203 err_ret: 3204 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3205 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3206 netif_device_attach(adapter->netdev); 3207 qlcnic_clr_all_drv_state(adapter, 0); 3208 } 3209 3210 static void 3211 qlcnic_detach_work(struct work_struct *work) 3212 { 3213 struct qlcnic_adapter *adapter = container_of(work, 3214 struct qlcnic_adapter, fw_work.work); 3215 struct net_device *netdev = adapter->netdev; 3216 u32 status; 3217 3218 netif_device_detach(netdev); 3219 3220 /* Dont grab rtnl lock during Quiscent mode */ 3221 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3222 if (netif_running(netdev)) 3223 __qlcnic_down(adapter, netdev); 3224 } else 3225 qlcnic_down(adapter, netdev); 3226 3227 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3228 3229 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3230 dev_err(&adapter->pdev->dev, 3231 "Detaching the device: peg halt status1=0x%x\n", 3232 status); 3233 3234 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3235 dev_err(&adapter->pdev->dev, 3236 "On board active cooling fan failed. " 3237 "Device has been halted.\n"); 3238 dev_err(&adapter->pdev->dev, 3239 "Replace the adapter.\n"); 3240 } 3241 3242 goto err_ret; 3243 } 3244 3245 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3246 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3247 adapter->ahw->temp); 3248 goto err_ret; 3249 } 3250 3251 /* Dont ack if this instance is the reset owner */ 3252 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3253 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3254 dev_err(&adapter->pdev->dev, 3255 "Failed to set driver state," 3256 "detaching the device.\n"); 3257 goto err_ret; 3258 } 3259 } 3260 3261 adapter->fw_wait_cnt = 0; 3262 3263 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3264 3265 return; 3266 3267 err_ret: 3268 netif_device_attach(netdev); 3269 qlcnic_clr_all_drv_state(adapter, 1); 3270 } 3271 3272 /*Transit NPAR state to NON Operational */ 3273 static void 3274 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3275 { 3276 u32 state; 3277 3278 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3279 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3280 return; 3281 3282 if (qlcnic_api_lock(adapter)) 3283 return; 3284 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3285 QLCNIC_DEV_NPAR_NON_OPER); 3286 qlcnic_api_unlock(adapter); 3287 } 3288 3289 void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key) 3290 { 3291 u32 state, xg_val = 0, gb_val = 0; 3292 3293 qlcnic_xg_set_xg0_mask(xg_val); 3294 qlcnic_xg_set_xg1_mask(xg_val); 3295 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3296 qlcnic_gb_set_gb0_mask(gb_val); 3297 qlcnic_gb_set_gb1_mask(gb_val); 3298 qlcnic_gb_set_gb2_mask(gb_val); 3299 qlcnic_gb_set_gb3_mask(gb_val); 3300 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3301 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3302 " on all ports\n"); 3303 adapter->need_fw_reset = 1; 3304 3305 if (qlcnic_api_lock(adapter)) 3306 return; 3307 3308 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3309 3310 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3311 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3312 __func__); 3313 qlcnic_api_unlock(adapter); 3314 3315 return; 3316 } 3317 3318 if (state == QLCNIC_DEV_READY) { 3319 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3320 QLCNIC_DEV_NEED_RESET); 3321 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3322 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3323 qlcnic_idc_debug_info(adapter, 0); 3324 } 3325 3326 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3327 QLCNIC_DEV_NPAR_NON_OPER); 3328 qlcnic_api_unlock(adapter); 3329 } 3330 3331 /* Transit to NPAR READY state from NPAR NOT READY state */ 3332 static void 3333 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3334 { 3335 if (qlcnic_api_lock(adapter)) 3336 return; 3337 3338 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3339 QLCNIC_DEV_NPAR_OPER); 3340 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3341 3342 qlcnic_api_unlock(adapter); 3343 } 3344 3345 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3346 work_func_t func, int delay) 3347 { 3348 if (test_bit(__QLCNIC_AER, &adapter->state)) 3349 return; 3350 3351 INIT_DELAYED_WORK(&adapter->fw_work, func); 3352 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3353 round_jiffies_relative(delay)); 3354 } 3355 3356 static void 3357 qlcnic_attach_work(struct work_struct *work) 3358 { 3359 struct qlcnic_adapter *adapter = container_of(work, 3360 struct qlcnic_adapter, fw_work.work); 3361 struct net_device *netdev = adapter->netdev; 3362 u32 npar_state; 3363 3364 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3365 npar_state = QLC_SHARED_REG_RD32(adapter, 3366 QLCNIC_CRB_DEV_NPAR_STATE); 3367 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3368 qlcnic_clr_all_drv_state(adapter, 0); 3369 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3370 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3371 FW_POLL_DELAY); 3372 else 3373 goto attach; 3374 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3375 return; 3376 } 3377 attach: 3378 qlcnic_dcb_get_info(adapter->dcb); 3379 3380 if (netif_running(netdev)) { 3381 if (qlcnic_up(adapter, netdev)) 3382 goto done; 3383 3384 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3385 } 3386 3387 done: 3388 netif_device_attach(netdev); 3389 adapter->fw_fail_cnt = 0; 3390 adapter->flags &= ~QLCNIC_FW_HANG; 3391 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3392 if (adapter->portnum == 0) 3393 qlcnic_set_drv_version(adapter); 3394 3395 if (!qlcnic_clr_drv_state(adapter)) 3396 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3397 FW_POLL_DELAY); 3398 } 3399 3400 static int 3401 qlcnic_check_health(struct qlcnic_adapter *adapter) 3402 { 3403 struct qlcnic_hardware_context *ahw = adapter->ahw; 3404 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3405 u32 state = 0, heartbeat; 3406 u32 peg_status; 3407 int err = 0; 3408 3409 if (qlcnic_check_temp(adapter)) 3410 goto detach; 3411 3412 if (adapter->need_fw_reset) 3413 qlcnic_dev_request_reset(adapter, 0); 3414 3415 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3416 if (state == QLCNIC_DEV_NEED_RESET) { 3417 qlcnic_set_npar_non_operational(adapter); 3418 adapter->need_fw_reset = 1; 3419 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3420 goto detach; 3421 3422 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3423 if (heartbeat != adapter->heartbeat) { 3424 adapter->heartbeat = heartbeat; 3425 adapter->fw_fail_cnt = 0; 3426 if (adapter->need_fw_reset) 3427 goto detach; 3428 3429 if (ahw->reset_context && qlcnic_auto_fw_reset) 3430 qlcnic_reset_hw_context(adapter); 3431 3432 return 0; 3433 } 3434 3435 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3436 return 0; 3437 3438 adapter->flags |= QLCNIC_FW_HANG; 3439 3440 qlcnic_dev_request_reset(adapter, 0); 3441 3442 if (qlcnic_auto_fw_reset) 3443 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3444 3445 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3446 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3447 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3448 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3449 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3450 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3451 "PEG_NET_4_PC: 0x%x\n", 3452 peg_status, 3453 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3454 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3455 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3456 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3457 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3458 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3459 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3460 dev_err(&adapter->pdev->dev, 3461 "Firmware aborted with error code 0x00006700. " 3462 "Device is being reset.\n"); 3463 detach: 3464 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3465 QLCNIC_DEV_NEED_RESET; 3466 3467 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3468 &adapter->state)) { 3469 3470 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3471 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3472 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3473 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3474 qlcnic_dump_fw(adapter); 3475 } 3476 3477 return 1; 3478 } 3479 3480 void qlcnic_fw_poll_work(struct work_struct *work) 3481 { 3482 struct qlcnic_adapter *adapter = container_of(work, 3483 struct qlcnic_adapter, fw_work.work); 3484 3485 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3486 goto reschedule; 3487 3488 3489 if (qlcnic_check_health(adapter)) 3490 return; 3491 3492 if (adapter->fhash.fnum) 3493 qlcnic_prune_lb_filters(adapter); 3494 3495 reschedule: 3496 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3497 } 3498 3499 static int qlcnic_is_first_func(struct pci_dev *pdev) 3500 { 3501 struct pci_dev *oth_pdev; 3502 int val = pdev->devfn; 3503 3504 while (val-- > 0) { 3505 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3506 (pdev->bus), pdev->bus->number, 3507 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3508 if (!oth_pdev) 3509 continue; 3510 3511 if (oth_pdev->current_state != PCI_D3cold) { 3512 pci_dev_put(oth_pdev); 3513 return 0; 3514 } 3515 pci_dev_put(oth_pdev); 3516 } 3517 return 1; 3518 } 3519 3520 static int qlcnic_attach_func(struct pci_dev *pdev) 3521 { 3522 int err, first_func; 3523 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3524 struct net_device *netdev = adapter->netdev; 3525 3526 pdev->error_state = pci_channel_io_normal; 3527 3528 err = pci_enable_device(pdev); 3529 if (err) 3530 return err; 3531 3532 pci_set_master(pdev); 3533 pci_restore_state(pdev); 3534 3535 first_func = qlcnic_is_first_func(pdev); 3536 3537 if (qlcnic_api_lock(adapter)) 3538 return -EINVAL; 3539 3540 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3541 adapter->need_fw_reset = 1; 3542 set_bit(__QLCNIC_START_FW, &adapter->state); 3543 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3544 QLCNIC_DEV_INITIALIZING); 3545 QLCDB(adapter, DRV, "Restarting fw\n"); 3546 } 3547 qlcnic_api_unlock(adapter); 3548 3549 err = qlcnic_start_firmware(adapter); 3550 if (err) 3551 return err; 3552 3553 qlcnic_clr_drv_state(adapter); 3554 kfree(adapter->msix_entries); 3555 adapter->msix_entries = NULL; 3556 err = qlcnic_setup_intr(adapter); 3557 3558 if (err) { 3559 kfree(adapter->msix_entries); 3560 netdev_err(netdev, "failed to setup interrupt\n"); 3561 return err; 3562 } 3563 3564 if (netif_running(netdev)) { 3565 err = qlcnic_attach(adapter); 3566 if (err) { 3567 qlcnic_clr_all_drv_state(adapter, 1); 3568 clear_bit(__QLCNIC_AER, &adapter->state); 3569 netif_device_attach(netdev); 3570 return err; 3571 } 3572 3573 err = qlcnic_up(adapter, netdev); 3574 if (err) 3575 goto done; 3576 3577 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3578 } 3579 done: 3580 netif_device_attach(netdev); 3581 return err; 3582 } 3583 3584 pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3585 pci_channel_state_t state) 3586 { 3587 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3588 struct net_device *netdev = adapter->netdev; 3589 3590 if (state == pci_channel_io_perm_failure) 3591 return PCI_ERS_RESULT_DISCONNECT; 3592 3593 if (state == pci_channel_io_normal) 3594 return PCI_ERS_RESULT_RECOVERED; 3595 3596 set_bit(__QLCNIC_AER, &adapter->state); 3597 netif_device_detach(netdev); 3598 3599 cancel_delayed_work_sync(&adapter->fw_work); 3600 3601 if (netif_running(netdev)) 3602 qlcnic_down(adapter, netdev); 3603 3604 qlcnic_detach(adapter); 3605 qlcnic_teardown_intr(adapter); 3606 3607 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3608 3609 pci_save_state(pdev); 3610 pci_disable_device(pdev); 3611 3612 return PCI_ERS_RESULT_NEED_RESET; 3613 } 3614 3615 pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3616 { 3617 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3618 PCI_ERS_RESULT_RECOVERED; 3619 } 3620 3621 void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3622 { 3623 u32 state; 3624 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3625 3626 pci_cleanup_aer_uncorrect_error_status(pdev); 3627 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3628 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3629 &adapter->state)) 3630 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3631 FW_POLL_DELAY); 3632 } 3633 3634 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3635 pci_channel_state_t state) 3636 { 3637 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3638 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3639 3640 if (hw_ops->io_error_detected) { 3641 return hw_ops->io_error_detected(pdev, state); 3642 } else { 3643 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3644 return PCI_ERS_RESULT_DISCONNECT; 3645 } 3646 } 3647 3648 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3649 { 3650 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3651 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3652 3653 if (hw_ops->io_slot_reset) { 3654 return hw_ops->io_slot_reset(pdev); 3655 } else { 3656 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3657 return PCI_ERS_RESULT_DISCONNECT; 3658 } 3659 } 3660 3661 static void qlcnic_io_resume(struct pci_dev *pdev) 3662 { 3663 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3664 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3665 3666 if (hw_ops->io_resume) 3667 hw_ops->io_resume(pdev); 3668 else 3669 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3670 } 3671 3672 3673 static int 3674 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3675 { 3676 int err; 3677 3678 err = qlcnic_can_start_firmware(adapter); 3679 if (err) 3680 return err; 3681 3682 err = qlcnic_check_npar_opertional(adapter); 3683 if (err) 3684 return err; 3685 3686 err = qlcnic_initialize_nic(adapter); 3687 if (err) 3688 return err; 3689 3690 qlcnic_check_options(adapter); 3691 3692 err = qlcnic_set_eswitch_port_config(adapter); 3693 if (err) 3694 return err; 3695 3696 adapter->need_fw_reset = 0; 3697 3698 return err; 3699 } 3700 3701 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 3702 int queue_type) 3703 { 3704 struct net_device *netdev = adapter->netdev; 3705 u8 max_hw_rings = 0; 3706 char buf[8]; 3707 int cur_rings; 3708 3709 if (queue_type == QLCNIC_RX_QUEUE) { 3710 max_hw_rings = adapter->max_sds_rings; 3711 cur_rings = adapter->drv_sds_rings; 3712 strcpy(buf, "SDS"); 3713 } else if (queue_type == QLCNIC_TX_QUEUE) { 3714 max_hw_rings = adapter->max_tx_rings; 3715 cur_rings = adapter->drv_tx_rings; 3716 strcpy(buf, "Tx"); 3717 } 3718 3719 if (!qlcnic_use_msi_x && !qlcnic_use_msi) { 3720 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n"); 3721 return -EINVAL; 3722 } 3723 3724 if (adapter->flags & QLCNIC_MSI_ENABLED) { 3725 netdev_err(netdev, "No RSS/TSS support in MSI mode\n"); 3726 return -EINVAL; 3727 } 3728 3729 if (ring_cnt < 2) { 3730 netdev_err(netdev, 3731 "%s rings value should not be lower than 2\n", buf); 3732 return -EINVAL; 3733 } 3734 3735 if (!is_power_of_2(ring_cnt)) { 3736 netdev_err(netdev, "%s rings value should be a power of 2\n", 3737 buf); 3738 return -EINVAL; 3739 } 3740 3741 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 3742 !qlcnic_check_multi_tx(adapter)) { 3743 netdev_err(netdev, "No Multi Tx queue support\n"); 3744 return -EINVAL; 3745 } 3746 3747 if (ring_cnt > num_online_cpus()) { 3748 netdev_err(netdev, 3749 "%s value[%u] should not be higher than, number of online CPUs\n", 3750 buf, num_online_cpus()); 3751 return -EINVAL; 3752 } 3753 3754 return 0; 3755 } 3756 3757 int qlcnic_setup_rings(struct qlcnic_adapter *adapter, u8 rx_cnt, u8 tx_cnt) 3758 { 3759 struct net_device *netdev = adapter->netdev; 3760 int err; 3761 3762 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3763 return -EBUSY; 3764 3765 netif_device_detach(netdev); 3766 if (netif_running(netdev)) 3767 __qlcnic_down(adapter, netdev); 3768 3769 qlcnic_detach(adapter); 3770 3771 if (qlcnic_83xx_check(adapter)) { 3772 qlcnic_83xx_free_mbx_intr(adapter); 3773 qlcnic_83xx_enable_mbx_poll(adapter); 3774 } 3775 3776 qlcnic_teardown_intr(adapter); 3777 3778 /* compute and set default and max tx/sds rings */ 3779 qlcnic_set_tx_ring_count(adapter, tx_cnt); 3780 qlcnic_set_sds_ring_count(adapter, rx_cnt); 3781 3782 netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings); 3783 3784 err = qlcnic_setup_intr(adapter); 3785 if (err) { 3786 kfree(adapter->msix_entries); 3787 netdev_err(netdev, "failed to setup interrupt\n"); 3788 return err; 3789 } 3790 3791 if (qlcnic_83xx_check(adapter)) { 3792 /* register for NIC IDC AEN Events */ 3793 qlcnic_83xx_register_nic_idc_func(adapter, 1); 3794 err = qlcnic_83xx_setup_mbx_intr(adapter); 3795 qlcnic_83xx_disable_mbx_poll(adapter); 3796 if (err) { 3797 dev_err(&adapter->pdev->dev, 3798 "failed to setup mbx interrupt\n"); 3799 goto done; 3800 } 3801 } 3802 3803 if (netif_running(netdev)) { 3804 err = qlcnic_attach(adapter); 3805 if (err) 3806 goto done; 3807 err = __qlcnic_up(adapter, netdev); 3808 if (err) 3809 goto done; 3810 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3811 } 3812 done: 3813 netif_device_attach(netdev); 3814 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3815 return err; 3816 } 3817 3818 #ifdef CONFIG_INET 3819 3820 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 3821 3822 static void 3823 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 3824 struct net_device *dev, unsigned long event) 3825 { 3826 struct in_device *indev; 3827 3828 indev = in_dev_get(dev); 3829 if (!indev) 3830 return; 3831 3832 for_ifa(indev) { 3833 switch (event) { 3834 case NETDEV_UP: 3835 qlcnic_config_ipaddr(adapter, 3836 ifa->ifa_address, QLCNIC_IP_UP); 3837 break; 3838 case NETDEV_DOWN: 3839 qlcnic_config_ipaddr(adapter, 3840 ifa->ifa_address, QLCNIC_IP_DOWN); 3841 break; 3842 default: 3843 break; 3844 } 3845 } endfor_ifa(indev); 3846 3847 in_dev_put(indev); 3848 } 3849 3850 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 3851 { 3852 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3853 struct net_device *dev; 3854 u16 vid; 3855 3856 qlcnic_config_indev_addr(adapter, netdev, event); 3857 3858 rcu_read_lock(); 3859 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 3860 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid); 3861 if (!dev) 3862 continue; 3863 qlcnic_config_indev_addr(adapter, dev, event); 3864 } 3865 rcu_read_unlock(); 3866 } 3867 3868 static int qlcnic_netdev_event(struct notifier_block *this, 3869 unsigned long event, void *ptr) 3870 { 3871 struct qlcnic_adapter *adapter; 3872 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 3873 3874 recheck: 3875 if (dev == NULL) 3876 goto done; 3877 3878 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3879 dev = vlan_dev_real_dev(dev); 3880 goto recheck; 3881 } 3882 3883 if (!is_qlcnic_netdev(dev)) 3884 goto done; 3885 3886 adapter = netdev_priv(dev); 3887 3888 if (!adapter) 3889 goto done; 3890 3891 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3892 goto done; 3893 3894 qlcnic_config_indev_addr(adapter, dev, event); 3895 done: 3896 return NOTIFY_DONE; 3897 } 3898 3899 static int 3900 qlcnic_inetaddr_event(struct notifier_block *this, 3901 unsigned long event, void *ptr) 3902 { 3903 struct qlcnic_adapter *adapter; 3904 struct net_device *dev; 3905 3906 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 3907 3908 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 3909 3910 recheck: 3911 if (dev == NULL) 3912 goto done; 3913 3914 if (dev->priv_flags & IFF_802_1Q_VLAN) { 3915 dev = vlan_dev_real_dev(dev); 3916 goto recheck; 3917 } 3918 3919 if (!is_qlcnic_netdev(dev)) 3920 goto done; 3921 3922 adapter = netdev_priv(dev); 3923 3924 if (!adapter) 3925 goto done; 3926 3927 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3928 goto done; 3929 3930 switch (event) { 3931 case NETDEV_UP: 3932 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 3933 3934 break; 3935 case NETDEV_DOWN: 3936 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 3937 3938 break; 3939 default: 3940 break; 3941 } 3942 3943 done: 3944 return NOTIFY_DONE; 3945 } 3946 3947 static struct notifier_block qlcnic_netdev_cb = { 3948 .notifier_call = qlcnic_netdev_event, 3949 }; 3950 3951 static struct notifier_block qlcnic_inetaddr_cb = { 3952 .notifier_call = qlcnic_inetaddr_event, 3953 }; 3954 #else 3955 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 3956 { } 3957 #endif 3958 static const struct pci_error_handlers qlcnic_err_handler = { 3959 .error_detected = qlcnic_io_error_detected, 3960 .slot_reset = qlcnic_io_slot_reset, 3961 .resume = qlcnic_io_resume, 3962 }; 3963 3964 static struct pci_driver qlcnic_driver = { 3965 .name = qlcnic_driver_name, 3966 .id_table = qlcnic_pci_tbl, 3967 .probe = qlcnic_probe, 3968 .remove = qlcnic_remove, 3969 #ifdef CONFIG_PM 3970 .suspend = qlcnic_suspend, 3971 .resume = qlcnic_resume, 3972 #endif 3973 .shutdown = qlcnic_shutdown, 3974 .err_handler = &qlcnic_err_handler, 3975 #ifdef CONFIG_QLCNIC_SRIOV 3976 .sriov_configure = qlcnic_pci_sriov_configure, 3977 #endif 3978 3979 }; 3980 3981 static int __init qlcnic_init_module(void) 3982 { 3983 int ret; 3984 3985 printk(KERN_INFO "%s\n", qlcnic_driver_string); 3986 3987 #ifdef CONFIG_INET 3988 register_netdevice_notifier(&qlcnic_netdev_cb); 3989 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 3990 #endif 3991 3992 ret = pci_register_driver(&qlcnic_driver); 3993 if (ret) { 3994 #ifdef CONFIG_INET 3995 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 3996 unregister_netdevice_notifier(&qlcnic_netdev_cb); 3997 #endif 3998 } 3999 4000 return ret; 4001 } 4002 4003 module_init(qlcnic_init_module); 4004 4005 static void __exit qlcnic_exit_module(void) 4006 { 4007 pci_unregister_driver(&qlcnic_driver); 4008 4009 #ifdef CONFIG_INET 4010 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4011 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4012 #endif 4013 } 4014 4015 module_exit(qlcnic_exit_module); 4016