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 int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 85 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 86 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 87 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 88 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 89 static void qlcnic_82xx_io_resume(struct pci_dev *); 90 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 91 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 92 pci_channel_state_t); 93 94 static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 95 { 96 struct qlcnic_hardware_context *ahw = adapter->ahw; 97 98 if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 99 return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 100 else 101 return 1; 102 } 103 104 /* PCI Device ID Table */ 105 #define ENTRY(device) \ 106 {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 107 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 108 109 static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { 110 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 111 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 112 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 113 ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 114 ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 115 {0,} 116 }; 117 118 MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 119 120 121 inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 122 { 123 writel(tx_ring->producer, tx_ring->crb_cmd_producer); 124 } 125 126 static const u32 msi_tgt_status[8] = { 127 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 128 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 129 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 130 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 131 }; 132 133 static const u32 qlcnic_reg_tbl[] = { 134 0x1B20A8, /* PEG_HALT_STAT1 */ 135 0x1B20AC, /* PEG_HALT_STAT2 */ 136 0x1B20B0, /* FW_HEARTBEAT */ 137 0x1B2100, /* LOCK ID */ 138 0x1B2128, /* FW_CAPABILITIES */ 139 0x1B2138, /* drv active */ 140 0x1B2140, /* dev state */ 141 0x1B2144, /* drv state */ 142 0x1B2148, /* drv scratch */ 143 0x1B214C, /* dev partition info */ 144 0x1B2174, /* drv idc ver */ 145 0x1B2150, /* fw version major */ 146 0x1B2154, /* fw version minor */ 147 0x1B2158, /* fw version sub */ 148 0x1B219C, /* npar state */ 149 0x1B21FC, /* FW_IMG_VALID */ 150 0x1B2250, /* CMD_PEG_STATE */ 151 0x1B233C, /* RCV_PEG_STATE */ 152 0x1B23B4, /* ASIC TEMP */ 153 0x1B216C, /* FW api */ 154 0x1B2170, /* drv op mode */ 155 0x13C010, /* flash lock */ 156 0x13C014, /* flash unlock */ 157 }; 158 159 static const struct qlcnic_board_info qlcnic_boards[] = { 160 { PCI_VENDOR_ID_QLOGIC, 161 PCI_DEVICE_ID_QLOGIC_QLE844X, 162 0x0, 163 0x0, 164 "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 165 { PCI_VENDOR_ID_QLOGIC, 166 PCI_DEVICE_ID_QLOGIC_QLE834X, 167 PCI_VENDOR_ID_QLOGIC, 168 0x24e, 169 "8300 Series Dual Port 10GbE Converged Network Adapter " 170 "(TCP/IP Networking)" }, 171 { PCI_VENDOR_ID_QLOGIC, 172 PCI_DEVICE_ID_QLOGIC_QLE834X, 173 PCI_VENDOR_ID_QLOGIC, 174 0x243, 175 "8300 Series Single Port 10GbE Converged Network Adapter " 176 "(TCP/IP Networking)" }, 177 { PCI_VENDOR_ID_QLOGIC, 178 PCI_DEVICE_ID_QLOGIC_QLE834X, 179 PCI_VENDOR_ID_QLOGIC, 180 0x24a, 181 "8300 Series Dual Port 10GbE Converged Network Adapter " 182 "(TCP/IP Networking)" }, 183 { PCI_VENDOR_ID_QLOGIC, 184 PCI_DEVICE_ID_QLOGIC_QLE834X, 185 PCI_VENDOR_ID_QLOGIC, 186 0x246, 187 "8300 Series Dual Port 10GbE Converged Network Adapter " 188 "(TCP/IP Networking)" }, 189 { PCI_VENDOR_ID_QLOGIC, 190 PCI_DEVICE_ID_QLOGIC_QLE834X, 191 PCI_VENDOR_ID_QLOGIC, 192 0x252, 193 "8300 Series Dual Port 10GbE Converged Network Adapter " 194 "(TCP/IP Networking)" }, 195 { PCI_VENDOR_ID_QLOGIC, 196 PCI_DEVICE_ID_QLOGIC_QLE834X, 197 PCI_VENDOR_ID_QLOGIC, 198 0x26e, 199 "8300 Series Dual Port 10GbE Converged Network Adapter " 200 "(TCP/IP Networking)" }, 201 { PCI_VENDOR_ID_QLOGIC, 202 PCI_DEVICE_ID_QLOGIC_QLE834X, 203 PCI_VENDOR_ID_QLOGIC, 204 0x260, 205 "8300 Series Dual Port 10GbE Converged Network Adapter " 206 "(TCP/IP Networking)" }, 207 { PCI_VENDOR_ID_QLOGIC, 208 PCI_DEVICE_ID_QLOGIC_QLE834X, 209 PCI_VENDOR_ID_QLOGIC, 210 0x266, 211 "8300 Series Single Port 10GbE Converged Network Adapter " 212 "(TCP/IP Networking)" }, 213 { PCI_VENDOR_ID_QLOGIC, 214 PCI_DEVICE_ID_QLOGIC_QLE834X, 215 PCI_VENDOR_ID_QLOGIC, 216 0x269, 217 "8300 Series Dual Port 10GbE Converged Network Adapter " 218 "(TCP/IP Networking)" }, 219 { PCI_VENDOR_ID_QLOGIC, 220 PCI_DEVICE_ID_QLOGIC_QLE834X, 221 PCI_VENDOR_ID_QLOGIC, 222 0x271, 223 "8300 Series Dual Port 10GbE Converged Network Adapter " 224 "(TCP/IP Networking)" }, 225 { PCI_VENDOR_ID_QLOGIC, 226 PCI_DEVICE_ID_QLOGIC_QLE834X, 227 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 228 { PCI_VENDOR_ID_QLOGIC, 229 PCI_DEVICE_ID_QLOGIC_QLE824X, 230 PCI_VENDOR_ID_QLOGIC, 231 0x203, 232 "8200 Series Single Port 10GbE Converged Network Adapter" 233 "(TCP/IP Networking)" }, 234 { PCI_VENDOR_ID_QLOGIC, 235 PCI_DEVICE_ID_QLOGIC_QLE824X, 236 PCI_VENDOR_ID_QLOGIC, 237 0x207, 238 "8200 Series Dual Port 10GbE Converged Network Adapter" 239 "(TCP/IP Networking)" }, 240 { PCI_VENDOR_ID_QLOGIC, 241 PCI_DEVICE_ID_QLOGIC_QLE824X, 242 PCI_VENDOR_ID_QLOGIC, 243 0x20b, 244 "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 245 { PCI_VENDOR_ID_QLOGIC, 246 PCI_DEVICE_ID_QLOGIC_QLE824X, 247 PCI_VENDOR_ID_QLOGIC, 248 0x20c, 249 "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 250 { PCI_VENDOR_ID_QLOGIC, 251 PCI_DEVICE_ID_QLOGIC_QLE824X, 252 PCI_VENDOR_ID_QLOGIC, 253 0x20f, 254 "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 255 { PCI_VENDOR_ID_QLOGIC, 256 PCI_DEVICE_ID_QLOGIC_QLE824X, 257 0x103c, 0x3733, 258 "NC523SFP 10Gb 2-port Server Adapter" }, 259 { PCI_VENDOR_ID_QLOGIC, 260 PCI_DEVICE_ID_QLOGIC_QLE824X, 261 0x103c, 0x3346, 262 "CN1000Q Dual Port Converged Network Adapter" }, 263 { PCI_VENDOR_ID_QLOGIC, 264 PCI_DEVICE_ID_QLOGIC_QLE824X, 265 PCI_VENDOR_ID_QLOGIC, 266 0x210, 267 "QME8242-k 10GbE Dual Port Mezzanine Card" }, 268 { PCI_VENDOR_ID_QLOGIC, 269 PCI_DEVICE_ID_QLOGIC_QLE824X, 270 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 271 }; 272 273 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 274 275 static const 276 struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 277 278 int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 279 { 280 int size = sizeof(struct qlcnic_host_sds_ring) * count; 281 282 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 283 284 return recv_ctx->sds_rings == NULL; 285 } 286 287 void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 288 { 289 if (recv_ctx->sds_rings != NULL) 290 kfree(recv_ctx->sds_rings); 291 292 recv_ctx->sds_rings = NULL; 293 } 294 295 int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 296 { 297 struct net_device *netdev = adapter->netdev; 298 struct pci_dev *pdev = adapter->pdev; 299 u8 mac_addr[ETH_ALEN]; 300 int ret; 301 302 ret = qlcnic_get_mac_address(adapter, mac_addr, 303 adapter->ahw->pci_func); 304 if (ret) 305 return ret; 306 307 memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 308 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 309 310 /* set station address */ 311 312 if (!is_valid_ether_addr(netdev->dev_addr)) 313 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 314 netdev->dev_addr); 315 316 return 0; 317 } 318 319 static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 320 { 321 struct qlcnic_mac_vlan_list *cur; 322 struct list_head *head; 323 324 list_for_each(head, &adapter->mac_list) { 325 cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 326 if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 327 qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 328 0, QLCNIC_MAC_DEL); 329 list_del(&cur->list); 330 kfree(cur); 331 return; 332 } 333 } 334 } 335 336 static int qlcnic_set_mac(struct net_device *netdev, void *p) 337 { 338 struct qlcnic_adapter *adapter = netdev_priv(netdev); 339 struct sockaddr *addr = p; 340 341 if (qlcnic_sriov_vf_check(adapter)) 342 return -EINVAL; 343 344 if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 345 return -EOPNOTSUPP; 346 347 if (!is_valid_ether_addr(addr->sa_data)) 348 return -EINVAL; 349 350 if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data)) 351 return 0; 352 353 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 354 netif_device_detach(netdev); 355 qlcnic_napi_disable(adapter); 356 } 357 358 qlcnic_delete_adapter_mac(adapter); 359 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 360 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 361 qlcnic_set_multi(adapter->netdev); 362 363 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 364 netif_device_attach(netdev); 365 qlcnic_napi_enable(adapter); 366 } 367 return 0; 368 } 369 370 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 371 struct net_device *netdev, const unsigned char *addr) 372 { 373 struct qlcnic_adapter *adapter = netdev_priv(netdev); 374 int err = -EOPNOTSUPP; 375 376 if (!adapter->fdb_mac_learn) 377 return ndo_dflt_fdb_del(ndm, tb, netdev, addr); 378 379 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 380 if (is_unicast_ether_addr(addr)) { 381 err = dev_uc_del(netdev, addr); 382 if (!err) 383 err = qlcnic_nic_del_mac(adapter, addr); 384 } else if (is_multicast_ether_addr(addr)) { 385 err = dev_mc_del(netdev, addr); 386 } else { 387 err = -EINVAL; 388 } 389 } 390 return err; 391 } 392 393 static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 394 struct net_device *netdev, 395 const unsigned char *addr, u16 flags) 396 { 397 struct qlcnic_adapter *adapter = netdev_priv(netdev); 398 int err = 0; 399 400 if (!adapter->fdb_mac_learn) 401 return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags); 402 403 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 404 pr_info("%s: FDB e-switch is not enabled\n", __func__); 405 return -EOPNOTSUPP; 406 } 407 408 if (ether_addr_equal(addr, adapter->mac_addr)) 409 return err; 410 411 if (is_unicast_ether_addr(addr)) { 412 if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 413 err = dev_uc_add_excl(netdev, addr); 414 else 415 err = -ENOMEM; 416 } else if (is_multicast_ether_addr(addr)) { 417 err = dev_mc_add_excl(netdev, addr); 418 } else { 419 err = -EINVAL; 420 } 421 422 return err; 423 } 424 425 static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 426 struct net_device *netdev, int idx) 427 { 428 struct qlcnic_adapter *adapter = netdev_priv(netdev); 429 430 if (!adapter->fdb_mac_learn) 431 return ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 432 433 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) 434 idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 435 436 return idx; 437 } 438 439 static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 440 { 441 while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 442 usleep_range(10000, 11000); 443 444 if (!adapter->fw_work.work.func) 445 return; 446 447 cancel_delayed_work_sync(&adapter->fw_work); 448 } 449 450 static int qlcnic_get_phys_port_id(struct net_device *netdev, 451 struct netdev_phys_port_id *ppid) 452 { 453 struct qlcnic_adapter *adapter = netdev_priv(netdev); 454 struct qlcnic_hardware_context *ahw = adapter->ahw; 455 456 if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 457 return -EOPNOTSUPP; 458 459 ppid->id_len = sizeof(ahw->phys_port_id); 460 memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 461 462 return 0; 463 } 464 465 static const struct net_device_ops qlcnic_netdev_ops = { 466 .ndo_open = qlcnic_open, 467 .ndo_stop = qlcnic_close, 468 .ndo_start_xmit = qlcnic_xmit_frame, 469 .ndo_get_stats = qlcnic_get_stats, 470 .ndo_validate_addr = eth_validate_addr, 471 .ndo_set_rx_mode = qlcnic_set_multi, 472 .ndo_set_mac_address = qlcnic_set_mac, 473 .ndo_change_mtu = qlcnic_change_mtu, 474 .ndo_fix_features = qlcnic_fix_features, 475 .ndo_set_features = qlcnic_set_features, 476 .ndo_tx_timeout = qlcnic_tx_timeout, 477 .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 478 .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 479 .ndo_fdb_add = qlcnic_fdb_add, 480 .ndo_fdb_del = qlcnic_fdb_del, 481 .ndo_fdb_dump = qlcnic_fdb_dump, 482 .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 483 #ifdef CONFIG_NET_POLL_CONTROLLER 484 .ndo_poll_controller = qlcnic_poll_controller, 485 #endif 486 #ifdef CONFIG_QLCNIC_SRIOV 487 .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 488 .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate, 489 .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 490 .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 491 .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 492 #endif 493 }; 494 495 static const struct net_device_ops qlcnic_netdev_failed_ops = { 496 .ndo_open = qlcnic_open, 497 }; 498 499 static struct qlcnic_nic_template qlcnic_ops = { 500 .config_bridged_mode = qlcnic_config_bridged_mode, 501 .config_led = qlcnic_82xx_config_led, 502 .start_firmware = qlcnic_82xx_start_firmware, 503 .request_reset = qlcnic_82xx_dev_request_reset, 504 .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 505 .napi_add = qlcnic_82xx_napi_add, 506 .napi_del = qlcnic_82xx_napi_del, 507 .config_ipaddr = qlcnic_82xx_config_ipaddr, 508 .shutdown = qlcnic_82xx_shutdown, 509 .resume = qlcnic_82xx_resume, 510 .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 511 }; 512 513 struct qlcnic_nic_template qlcnic_vf_ops = { 514 .config_bridged_mode = qlcnicvf_config_bridged_mode, 515 .config_led = qlcnicvf_config_led, 516 .start_firmware = qlcnicvf_start_firmware 517 }; 518 519 static struct qlcnic_hardware_ops qlcnic_hw_ops = { 520 .read_crb = qlcnic_82xx_read_crb, 521 .write_crb = qlcnic_82xx_write_crb, 522 .read_reg = qlcnic_82xx_hw_read_wx_2M, 523 .write_reg = qlcnic_82xx_hw_write_wx_2M, 524 .get_mac_address = qlcnic_82xx_get_mac_address, 525 .setup_intr = qlcnic_82xx_setup_intr, 526 .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 527 .mbx_cmd = qlcnic_82xx_issue_cmd, 528 .get_func_no = qlcnic_82xx_get_func_no, 529 .api_lock = qlcnic_82xx_api_lock, 530 .api_unlock = qlcnic_82xx_api_unlock, 531 .add_sysfs = qlcnic_82xx_add_sysfs, 532 .remove_sysfs = qlcnic_82xx_remove_sysfs, 533 .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 534 .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 535 .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 536 .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 537 .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 538 .setup_link_event = qlcnic_82xx_linkevent_request, 539 .get_nic_info = qlcnic_82xx_get_nic_info, 540 .get_pci_info = qlcnic_82xx_get_pci_info, 541 .set_nic_info = qlcnic_82xx_set_nic_info, 542 .change_macvlan = qlcnic_82xx_sre_macaddr_change, 543 .napi_enable = qlcnic_82xx_napi_enable, 544 .napi_disable = qlcnic_82xx_napi_disable, 545 .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 546 .config_rss = qlcnic_82xx_config_rss, 547 .config_hw_lro = qlcnic_82xx_config_hw_lro, 548 .config_loopback = qlcnic_82xx_set_lb_mode, 549 .clear_loopback = qlcnic_82xx_clear_lb_mode, 550 .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 551 .change_l2_filter = qlcnic_82xx_change_filter, 552 .get_board_info = qlcnic_82xx_get_board_info, 553 .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 554 .free_mac_list = qlcnic_82xx_free_mac_list, 555 .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 556 .io_error_detected = qlcnic_82xx_io_error_detected, 557 .io_slot_reset = qlcnic_82xx_io_slot_reset, 558 .io_resume = qlcnic_82xx_io_resume, 559 .get_beacon_state = qlcnic_82xx_get_beacon_state, 560 .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 561 .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 562 .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 563 .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 564 }; 565 566 static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 567 { 568 struct qlcnic_hardware_context *ahw = adapter->ahw; 569 570 if (qlcnic_82xx_check(adapter) && 571 (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 572 test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 573 return 0; 574 } else { 575 return 1; 576 } 577 } 578 579 static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 580 int queue_type) 581 { 582 int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 583 584 if (queue_type == QLCNIC_RX_QUEUE) 585 max_rings = adapter->max_sds_rings; 586 else if (queue_type == QLCNIC_TX_QUEUE) 587 max_rings = adapter->max_tx_rings; 588 589 num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 590 max_rings)); 591 592 if (ring_cnt > num_rings) 593 return num_rings; 594 else 595 return ring_cnt; 596 } 597 598 void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 599 { 600 /* 83xx adapter does not have max_tx_rings intialized in probe */ 601 if (adapter->max_tx_rings) 602 adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 603 QLCNIC_TX_QUEUE); 604 else 605 adapter->drv_tx_rings = tx_cnt; 606 } 607 608 void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 609 { 610 /* 83xx adapter does not have max_sds_rings intialized in probe */ 611 if (adapter->max_sds_rings) 612 adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 613 QLCNIC_RX_QUEUE); 614 else 615 adapter->drv_sds_rings = rx_cnt; 616 } 617 618 int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) 619 { 620 struct pci_dev *pdev = adapter->pdev; 621 int num_msix = 0, err = 0, vector; 622 623 adapter->flags &= ~QLCNIC_TSS_RSS; 624 625 if (adapter->drv_tss_rings > 0) 626 num_msix += adapter->drv_tss_rings; 627 else 628 num_msix += adapter->drv_tx_rings; 629 630 if (adapter->drv_rss_rings > 0) 631 num_msix += adapter->drv_rss_rings; 632 else 633 num_msix += adapter->drv_sds_rings; 634 635 if (qlcnic_83xx_check(adapter)) 636 num_msix += 1; 637 638 if (!adapter->msix_entries) { 639 adapter->msix_entries = kcalloc(num_msix, 640 sizeof(struct msix_entry), 641 GFP_KERNEL); 642 if (!adapter->msix_entries) 643 return -ENOMEM; 644 } 645 646 restore: 647 for (vector = 0; vector < num_msix; vector++) 648 adapter->msix_entries[vector].entry = vector; 649 650 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); 651 if (err == 0) { 652 adapter->ahw->num_msix = num_msix; 653 if (adapter->drv_tss_rings > 0) 654 adapter->drv_tx_rings = adapter->drv_tss_rings; 655 656 if (adapter->drv_rss_rings > 0) 657 adapter->drv_sds_rings = adapter->drv_rss_rings; 658 } else { 659 netdev_info(adapter->netdev, 660 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 661 num_msix, err); 662 663 num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; 664 665 /* Set rings to 0 so we can restore original TSS/RSS count */ 666 adapter->drv_tss_rings = 0; 667 adapter->drv_rss_rings = 0; 668 669 if (qlcnic_83xx_check(adapter)) 670 num_msix += 1; 671 672 netdev_info(adapter->netdev, 673 "Restoring %d Tx, %d SDS rings for total %d vectors.\n", 674 adapter->drv_tx_rings, adapter->drv_sds_rings, 675 num_msix); 676 goto restore; 677 678 err = -EIO; 679 } 680 681 return err; 682 } 683 684 int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 685 { 686 struct pci_dev *pdev = adapter->pdev; 687 int err = -1, vector; 688 689 if (!adapter->msix_entries) { 690 adapter->msix_entries = kcalloc(num_msix, 691 sizeof(struct msix_entry), 692 GFP_KERNEL); 693 if (!adapter->msix_entries) 694 return -ENOMEM; 695 } 696 697 adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 698 699 if (adapter->ahw->msix_supported) { 700 enable_msix: 701 for (vector = 0; vector < num_msix; vector++) 702 adapter->msix_entries[vector].entry = vector; 703 704 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); 705 if (err == 0) { 706 adapter->flags |= QLCNIC_MSIX_ENABLED; 707 adapter->ahw->num_msix = num_msix; 708 dev_info(&pdev->dev, "using msi-x interrupts\n"); 709 return err; 710 } else if (err > 0) { 711 dev_info(&pdev->dev, 712 "Unable to allocate %d MSI-X vectors, Available vectors %d\n", 713 num_msix, err); 714 715 if (qlcnic_82xx_check(adapter)) { 716 num_msix = rounddown_pow_of_two(err); 717 if (err < QLCNIC_82XX_MINIMUM_VECTOR) 718 return -EIO; 719 } else { 720 num_msix = rounddown_pow_of_two(err - 1); 721 num_msix += 1; 722 if (err < QLCNIC_83XX_MINIMUM_VECTOR) 723 return -EIO; 724 } 725 726 if (qlcnic_82xx_check(adapter) && 727 !qlcnic_check_multi_tx(adapter)) { 728 adapter->drv_sds_rings = num_msix; 729 adapter->drv_tx_rings = QLCNIC_SINGLE_RING; 730 } else { 731 /* Distribute vectors equally */ 732 adapter->drv_tx_rings = num_msix / 2; 733 adapter->drv_sds_rings = adapter->drv_tx_rings; 734 } 735 736 if (num_msix) { 737 dev_info(&pdev->dev, 738 "Trying to allocate %d MSI-X interrupt vectors\n", 739 num_msix); 740 goto enable_msix; 741 } 742 } else { 743 dev_info(&pdev->dev, 744 "Unable to allocate %d MSI-X vectors, err=%d\n", 745 num_msix, err); 746 return err; 747 } 748 } 749 750 return err; 751 } 752 753 static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) 754 { 755 int num_msix; 756 757 num_msix = adapter->drv_sds_rings; 758 759 if (qlcnic_check_multi_tx(adapter)) 760 num_msix += adapter->drv_tx_rings; 761 else 762 num_msix += QLCNIC_SINGLE_RING; 763 764 return num_msix; 765 } 766 767 static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 768 { 769 int err = 0; 770 u32 offset, mask_reg; 771 const struct qlcnic_legacy_intr_set *legacy_intrp; 772 struct qlcnic_hardware_context *ahw = adapter->ahw; 773 struct pci_dev *pdev = adapter->pdev; 774 775 if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 776 adapter->flags |= QLCNIC_MSI_ENABLED; 777 offset = msi_tgt_status[adapter->ahw->pci_func]; 778 adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 779 offset); 780 dev_info(&pdev->dev, "using msi interrupts\n"); 781 adapter->msix_entries[0].vector = pdev->irq; 782 return err; 783 } 784 785 if (qlcnic_use_msi || qlcnic_use_msi_x) 786 return -EOPNOTSUPP; 787 788 legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 789 adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 790 offset = legacy_intrp->tgt_status_reg; 791 adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 792 mask_reg = legacy_intrp->tgt_mask_reg; 793 adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 794 adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 795 adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 796 dev_info(&pdev->dev, "using legacy interrupts\n"); 797 adapter->msix_entries[0].vector = pdev->irq; 798 return err; 799 } 800 801 static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 802 { 803 int num_msix, err = 0; 804 805 if (adapter->flags & QLCNIC_TSS_RSS) { 806 err = qlcnic_setup_tss_rss_intr(adapter); 807 if (err < 0) 808 return err; 809 num_msix = adapter->ahw->num_msix; 810 } else { 811 num_msix = qlcnic_82xx_calculate_msix_vector(adapter); 812 813 err = qlcnic_enable_msix(adapter, num_msix); 814 if (err == -ENOMEM) 815 return err; 816 817 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 818 qlcnic_disable_multi_tx(adapter); 819 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 820 821 err = qlcnic_enable_msi_legacy(adapter); 822 if (err) 823 return err; 824 } 825 } 826 827 return 0; 828 } 829 830 int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 831 { 832 struct qlcnic_hardware_context *ahw = adapter->ahw; 833 int err, i; 834 835 if (qlcnic_check_multi_tx(adapter) && 836 !ahw->diag_test && 837 (adapter->flags & QLCNIC_MSIX_ENABLED)) { 838 ahw->intr_tbl = vzalloc(ahw->num_msix * 839 sizeof(struct qlcnic_intrpt_config)); 840 if (!ahw->intr_tbl) 841 return -ENOMEM; 842 843 for (i = 0; i < ahw->num_msix; i++) { 844 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 845 ahw->intr_tbl[i].id = i; 846 ahw->intr_tbl[i].src = 0; 847 } 848 849 err = qlcnic_82xx_config_intrpt(adapter, 1); 850 if (err) 851 dev_err(&adapter->pdev->dev, 852 "Failed to configure Interrupt for %d vector\n", 853 ahw->num_msix); 854 return err; 855 } 856 857 return 0; 858 } 859 860 void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 861 { 862 if (adapter->flags & QLCNIC_MSIX_ENABLED) 863 pci_disable_msix(adapter->pdev); 864 if (adapter->flags & QLCNIC_MSI_ENABLED) 865 pci_disable_msi(adapter->pdev); 866 867 kfree(adapter->msix_entries); 868 adapter->msix_entries = NULL; 869 870 if (adapter->ahw->intr_tbl) { 871 vfree(adapter->ahw->intr_tbl); 872 adapter->ahw->intr_tbl = NULL; 873 } 874 } 875 876 static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 877 { 878 if (ahw->pci_base0 != NULL) 879 iounmap(ahw->pci_base0); 880 } 881 882 static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 883 { 884 struct qlcnic_hardware_context *ahw = adapter->ahw; 885 struct qlcnic_pci_info *pci_info; 886 int ret; 887 888 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 889 switch (ahw->port_type) { 890 case QLCNIC_GBE: 891 ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 892 break; 893 case QLCNIC_XGBE: 894 ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 895 break; 896 } 897 return 0; 898 } 899 900 if (ahw->op_mode == QLCNIC_MGMT_FUNC) 901 return 0; 902 903 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 904 if (!pci_info) 905 return -ENOMEM; 906 907 ret = qlcnic_get_pci_info(adapter, pci_info); 908 kfree(pci_info); 909 return ret; 910 } 911 912 static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 913 { 914 bool ret = false; 915 916 if (qlcnic_84xx_check(adapter)) { 917 ret = true; 918 } else if (qlcnic_83xx_check(adapter)) { 919 if (adapter->ahw->extra_capability[0] & 920 QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 921 ret = true; 922 else 923 ret = false; 924 } 925 926 return ret; 927 } 928 929 int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 930 { 931 struct qlcnic_hardware_context *ahw = adapter->ahw; 932 struct qlcnic_pci_info *pci_info; 933 int i, id = 0, ret = 0, j = 0; 934 u16 act_pci_func; 935 u8 pfn; 936 937 pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 938 if (!pci_info) 939 return -ENOMEM; 940 941 ret = qlcnic_get_pci_info(adapter, pci_info); 942 if (ret) 943 goto err_pci_info; 944 945 act_pci_func = ahw->total_nic_func; 946 947 adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 948 act_pci_func, GFP_KERNEL); 949 if (!adapter->npars) { 950 ret = -ENOMEM; 951 goto err_pci_info; 952 } 953 954 adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 955 QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 956 if (!adapter->eswitch) { 957 ret = -ENOMEM; 958 goto err_npars; 959 } 960 961 for (i = 0; i < ahw->max_vnic_func; i++) { 962 pfn = pci_info[i].id; 963 964 if (pfn >= ahw->max_vnic_func) { 965 ret = QL_STATUS_INVALID_PARAM; 966 goto err_eswitch; 967 } 968 969 if (!pci_info[i].active || 970 (pci_info[i].type != QLCNIC_TYPE_NIC)) 971 continue; 972 973 if (qlcnic_port_eswitch_cfg_capability(adapter)) { 974 if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 975 &id)) 976 adapter->npars[j].eswitch_status = true; 977 else 978 continue; 979 } else { 980 adapter->npars[j].eswitch_status = true; 981 } 982 983 adapter->npars[j].pci_func = pfn; 984 adapter->npars[j].active = (u8)pci_info[i].active; 985 adapter->npars[j].type = (u8)pci_info[i].type; 986 adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 987 adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 988 adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 989 990 memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 991 j++; 992 } 993 994 /* Update eSwitch status for adapters without per port eSwitch 995 * configuration capability 996 */ 997 if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 998 for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 999 adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 1000 } 1001 1002 kfree(pci_info); 1003 return 0; 1004 1005 err_eswitch: 1006 kfree(adapter->eswitch); 1007 adapter->eswitch = NULL; 1008 err_npars: 1009 kfree(adapter->npars); 1010 adapter->npars = NULL; 1011 err_pci_info: 1012 kfree(pci_info); 1013 1014 return ret; 1015 } 1016 1017 static int 1018 qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 1019 { 1020 u8 id; 1021 int ret; 1022 u32 data = QLCNIC_MGMT_FUNC; 1023 struct qlcnic_hardware_context *ahw = adapter->ahw; 1024 1025 ret = qlcnic_api_lock(adapter); 1026 if (ret) 1027 goto err_lock; 1028 1029 id = ahw->pci_func; 1030 data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1031 data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 1032 QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 1033 QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 1034 qlcnic_api_unlock(adapter); 1035 err_lock: 1036 return ret; 1037 } 1038 1039 static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 1040 const struct pci_device_id *ent) 1041 { 1042 u32 op_mode, priv_level; 1043 1044 /* Determine FW API version */ 1045 adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 1046 QLCNIC_FW_API); 1047 1048 /* Find PCI function number */ 1049 qlcnic_get_func_no(adapter); 1050 1051 /* Determine function privilege level */ 1052 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1053 if (op_mode == QLC_DEV_DRV_DEFAULT) 1054 priv_level = QLCNIC_MGMT_FUNC; 1055 else 1056 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1057 1058 if (priv_level == QLCNIC_NON_PRIV_FUNC) { 1059 adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 1060 dev_info(&adapter->pdev->dev, 1061 "HAL Version: %d Non Privileged function\n", 1062 adapter->ahw->fw_hal_version); 1063 adapter->nic_ops = &qlcnic_vf_ops; 1064 } else 1065 adapter->nic_ops = &qlcnic_ops; 1066 } 1067 1068 #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 1069 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 1070 static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1071 { 1072 switch (dev_id) { 1073 case PCI_DEVICE_ID_QLOGIC_QLE824X: 1074 *bar = QLCNIC_82XX_BAR0_LENGTH; 1075 break; 1076 case PCI_DEVICE_ID_QLOGIC_QLE834X: 1077 case PCI_DEVICE_ID_QLOGIC_QLE844X: 1078 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 1079 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 1080 *bar = QLCNIC_83XX_BAR0_LENGTH; 1081 break; 1082 default: 1083 *bar = 0; 1084 } 1085 } 1086 1087 static int qlcnic_setup_pci_map(struct pci_dev *pdev, 1088 struct qlcnic_hardware_context *ahw) 1089 { 1090 u32 offset; 1091 void __iomem *mem_ptr0 = NULL; 1092 unsigned long mem_len, pci_len0 = 0, bar0_len; 1093 1094 /* remap phys address */ 1095 mem_len = pci_resource_len(pdev, 0); 1096 1097 qlcnic_get_bar_length(pdev->device, &bar0_len); 1098 if (mem_len >= bar0_len) { 1099 1100 mem_ptr0 = pci_ioremap_bar(pdev, 0); 1101 if (mem_ptr0 == NULL) { 1102 dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1103 return -EIO; 1104 } 1105 pci_len0 = mem_len; 1106 } else { 1107 return -EIO; 1108 } 1109 1110 dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 1111 1112 ahw->pci_base0 = mem_ptr0; 1113 ahw->pci_len0 = pci_len0; 1114 offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 1115 qlcnic_get_ioaddr(ahw, offset); 1116 1117 return 0; 1118 } 1119 1120 static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 1121 int index) 1122 { 1123 struct pci_dev *pdev = adapter->pdev; 1124 unsigned short subsystem_vendor; 1125 bool ret = true; 1126 1127 subsystem_vendor = pdev->subsystem_vendor; 1128 1129 if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 1130 pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 1131 if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 1132 qlcnic_boards[index].sub_device == pdev->subsystem_device) 1133 ret = true; 1134 else 1135 ret = false; 1136 } 1137 1138 return ret; 1139 } 1140 1141 static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1142 { 1143 struct pci_dev *pdev = adapter->pdev; 1144 int i, found = 0; 1145 1146 for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1147 if (qlcnic_boards[i].vendor == pdev->vendor && 1148 qlcnic_boards[i].device == pdev->device && 1149 qlcnic_validate_subsystem_id(adapter, i)) { 1150 found = 1; 1151 break; 1152 } 1153 } 1154 1155 if (!found) 1156 sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 1157 else 1158 sprintf(name, "%pM: %s" , adapter->mac_addr, 1159 qlcnic_boards[i].short_name); 1160 } 1161 1162 static void 1163 qlcnic_check_options(struct qlcnic_adapter *adapter) 1164 { 1165 int err; 1166 u32 fw_major, fw_minor, fw_build, prev_fw_version; 1167 struct pci_dev *pdev = adapter->pdev; 1168 struct qlcnic_hardware_context *ahw = adapter->ahw; 1169 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1170 1171 prev_fw_version = adapter->fw_version; 1172 1173 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1174 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1175 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1176 1177 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1178 1179 err = qlcnic_get_board_info(adapter); 1180 if (err) { 1181 dev_err(&pdev->dev, "Error getting board config info.\n"); 1182 return; 1183 } 1184 if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1185 if (fw_dump->tmpl_hdr == NULL || 1186 adapter->fw_version > prev_fw_version) { 1187 if (fw_dump->tmpl_hdr) 1188 vfree(fw_dump->tmpl_hdr); 1189 if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1190 dev_info(&pdev->dev, 1191 "Supports FW dump capability\n"); 1192 } 1193 } 1194 1195 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 1196 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 1197 1198 if (adapter->ahw->port_type == QLCNIC_XGBE) { 1199 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1200 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1201 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1202 } else { 1203 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1204 adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1205 } 1206 1207 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1208 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1209 1210 } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1211 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1212 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1213 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1214 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1215 } 1216 1217 adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1218 1219 adapter->num_txd = MAX_CMD_DESCRIPTORS; 1220 1221 adapter->max_rds_rings = MAX_RDS_RINGS; 1222 } 1223 1224 static int 1225 qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1226 { 1227 struct qlcnic_info nic_info; 1228 int err = 0; 1229 1230 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1231 err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1232 if (err) 1233 return err; 1234 1235 adapter->ahw->physical_port = (u8)nic_info.phys_port; 1236 adapter->ahw->switch_mode = nic_info.switch_mode; 1237 adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 1238 adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 1239 adapter->ahw->capabilities = nic_info.capabilities; 1240 1241 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1242 u32 temp; 1243 temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 1244 if (err == -EIO) 1245 return err; 1246 adapter->ahw->extra_capability[0] = temp; 1247 } else { 1248 adapter->ahw->extra_capability[0] = 0; 1249 } 1250 1251 adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 1252 adapter->ahw->max_mtu = nic_info.max_mtu; 1253 1254 if (adapter->ahw->capabilities & BIT_6) { 1255 adapter->flags |= QLCNIC_ESWITCH_ENABLED; 1256 adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 1257 adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 1258 adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 1259 1260 dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 1261 } else { 1262 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1263 adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1264 adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1265 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 1266 } 1267 1268 return err; 1269 } 1270 1271 void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1272 struct qlcnic_esw_func_cfg *esw_cfg) 1273 { 1274 if (esw_cfg->discard_tagged) 1275 adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1276 else 1277 adapter->flags |= QLCNIC_TAGGING_ENABLED; 1278 1279 if (esw_cfg->vlan_id) { 1280 adapter->rx_pvid = esw_cfg->vlan_id; 1281 adapter->tx_pvid = esw_cfg->vlan_id; 1282 } else { 1283 adapter->rx_pvid = 0; 1284 adapter->tx_pvid = 0; 1285 } 1286 } 1287 1288 static int 1289 qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1290 { 1291 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1292 int err; 1293 1294 if (qlcnic_sriov_vf_check(adapter)) { 1295 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 1296 if (err) { 1297 netdev_err(netdev, 1298 "Cannot add VLAN filter for VLAN id %d, err=%d", 1299 vid, err); 1300 return err; 1301 } 1302 } 1303 1304 set_bit(vid, adapter->vlans); 1305 return 0; 1306 } 1307 1308 static int 1309 qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1310 { 1311 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1312 int err; 1313 1314 if (qlcnic_sriov_vf_check(adapter)) { 1315 err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 1316 if (err) { 1317 netdev_err(netdev, 1318 "Cannot delete VLAN filter for VLAN id %d, err=%d", 1319 vid, err); 1320 return err; 1321 } 1322 } 1323 1324 qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1325 clear_bit(vid, adapter->vlans); 1326 return 0; 1327 } 1328 1329 void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1330 struct qlcnic_esw_func_cfg *esw_cfg) 1331 { 1332 adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1333 QLCNIC_PROMISC_DISABLED); 1334 1335 if (esw_cfg->mac_anti_spoof) 1336 adapter->flags |= QLCNIC_MACSPOOF; 1337 1338 if (!esw_cfg->mac_override) 1339 adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1340 1341 if (!esw_cfg->promisc_mode) 1342 adapter->flags |= QLCNIC_PROMISC_DISABLED; 1343 } 1344 1345 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1346 { 1347 struct qlcnic_esw_func_cfg esw_cfg; 1348 1349 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1350 return 0; 1351 1352 esw_cfg.pci_func = adapter->ahw->pci_func; 1353 if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1354 return -EIO; 1355 qlcnic_set_vlan_config(adapter, &esw_cfg); 1356 qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1357 qlcnic_set_netdev_features(adapter, &esw_cfg); 1358 1359 return 0; 1360 } 1361 1362 void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1363 struct qlcnic_esw_func_cfg *esw_cfg) 1364 { 1365 struct net_device *netdev = adapter->netdev; 1366 1367 if (qlcnic_83xx_check(adapter)) 1368 return; 1369 1370 adapter->offload_flags = esw_cfg->offload_flags; 1371 adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1372 netdev_update_features(netdev); 1373 adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1374 } 1375 1376 static int 1377 qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1378 { 1379 u32 op_mode, priv_level; 1380 int err = 0; 1381 1382 err = qlcnic_initialize_nic(adapter); 1383 if (err) 1384 return err; 1385 1386 if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1387 return 0; 1388 1389 op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1390 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1391 1392 if (op_mode == QLC_DEV_DRV_DEFAULT) 1393 priv_level = QLCNIC_MGMT_FUNC; 1394 else 1395 priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1396 1397 if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1398 if (priv_level == QLCNIC_MGMT_FUNC) { 1399 adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1400 err = qlcnic_init_pci_info(adapter); 1401 if (err) 1402 return err; 1403 /* Set privilege level for other functions */ 1404 qlcnic_set_function_modes(adapter); 1405 dev_info(&adapter->pdev->dev, 1406 "HAL Version: %d, Management function\n", 1407 adapter->ahw->fw_hal_version); 1408 } else if (priv_level == QLCNIC_PRIV_FUNC) { 1409 adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1410 dev_info(&adapter->pdev->dev, 1411 "HAL Version: %d, Privileged function\n", 1412 adapter->ahw->fw_hal_version); 1413 } 1414 } else { 1415 adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1416 } 1417 1418 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1419 1420 return err; 1421 } 1422 1423 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1424 { 1425 struct qlcnic_esw_func_cfg esw_cfg; 1426 struct qlcnic_npar_info *npar; 1427 u8 i; 1428 1429 if (adapter->need_fw_reset) 1430 return 0; 1431 1432 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1433 if (!adapter->npars[i].eswitch_status) 1434 continue; 1435 1436 memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1437 esw_cfg.pci_func = adapter->npars[i].pci_func; 1438 esw_cfg.mac_override = BIT_0; 1439 esw_cfg.promisc_mode = BIT_0; 1440 if (qlcnic_82xx_check(adapter)) { 1441 esw_cfg.offload_flags = BIT_0; 1442 if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1443 esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1444 } 1445 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1446 return -EIO; 1447 npar = &adapter->npars[i]; 1448 npar->pvid = esw_cfg.vlan_id; 1449 npar->mac_override = esw_cfg.mac_override; 1450 npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1451 npar->discard_tagged = esw_cfg.discard_tagged; 1452 npar->promisc_mode = esw_cfg.promisc_mode; 1453 npar->offload_flags = esw_cfg.offload_flags; 1454 } 1455 1456 return 0; 1457 } 1458 1459 1460 static int 1461 qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1462 struct qlcnic_npar_info *npar, int pci_func) 1463 { 1464 struct qlcnic_esw_func_cfg esw_cfg; 1465 esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1466 esw_cfg.pci_func = pci_func; 1467 esw_cfg.vlan_id = npar->pvid; 1468 esw_cfg.mac_override = npar->mac_override; 1469 esw_cfg.discard_tagged = npar->discard_tagged; 1470 esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1471 esw_cfg.offload_flags = npar->offload_flags; 1472 esw_cfg.promisc_mode = npar->promisc_mode; 1473 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1474 return -EIO; 1475 1476 esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1477 if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1478 return -EIO; 1479 1480 return 0; 1481 } 1482 1483 int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1484 { 1485 int i, err; 1486 struct qlcnic_npar_info *npar; 1487 struct qlcnic_info nic_info; 1488 u8 pci_func; 1489 1490 if (qlcnic_82xx_check(adapter)) 1491 if (!adapter->need_fw_reset) 1492 return 0; 1493 1494 /* Set the NPAR config data after FW reset */ 1495 for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1496 npar = &adapter->npars[i]; 1497 pci_func = npar->pci_func; 1498 if (!adapter->npars[i].eswitch_status) 1499 continue; 1500 1501 memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1502 err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1503 if (err) 1504 return err; 1505 nic_info.min_tx_bw = npar->min_bw; 1506 nic_info.max_tx_bw = npar->max_bw; 1507 err = qlcnic_set_nic_info(adapter, &nic_info); 1508 if (err) 1509 return err; 1510 1511 if (npar->enable_pm) { 1512 err = qlcnic_config_port_mirroring(adapter, 1513 npar->dest_npar, 1, 1514 pci_func); 1515 if (err) 1516 return err; 1517 } 1518 err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1519 if (err) 1520 return err; 1521 } 1522 return 0; 1523 } 1524 1525 static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1526 { 1527 u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1528 u32 npar_state; 1529 1530 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1531 return 0; 1532 1533 npar_state = QLC_SHARED_REG_RD32(adapter, 1534 QLCNIC_CRB_DEV_NPAR_STATE); 1535 while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1536 msleep(1000); 1537 npar_state = QLC_SHARED_REG_RD32(adapter, 1538 QLCNIC_CRB_DEV_NPAR_STATE); 1539 } 1540 if (!npar_opt_timeo) { 1541 dev_err(&adapter->pdev->dev, 1542 "Waiting for NPAR state to operational timeout\n"); 1543 return -EIO; 1544 } 1545 return 0; 1546 } 1547 1548 static int 1549 qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1550 { 1551 int err; 1552 1553 if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 1554 adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1555 return 0; 1556 1557 err = qlcnic_set_default_offload_settings(adapter); 1558 if (err) 1559 return err; 1560 1561 err = qlcnic_reset_npar_config(adapter); 1562 if (err) 1563 return err; 1564 1565 qlcnic_dev_set_npar_ready(adapter); 1566 1567 return err; 1568 } 1569 1570 static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1571 { 1572 int err; 1573 1574 err = qlcnic_can_start_firmware(adapter); 1575 if (err < 0) 1576 return err; 1577 else if (!err) 1578 goto check_fw_status; 1579 1580 if (qlcnic_load_fw_file) 1581 qlcnic_request_firmware(adapter); 1582 else { 1583 err = qlcnic_check_flash_fw_ver(adapter); 1584 if (err) 1585 goto err_out; 1586 1587 adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1588 } 1589 1590 err = qlcnic_need_fw_reset(adapter); 1591 if (err == 0) 1592 goto check_fw_status; 1593 1594 err = qlcnic_pinit_from_rom(adapter); 1595 if (err) 1596 goto err_out; 1597 1598 err = qlcnic_load_firmware(adapter); 1599 if (err) 1600 goto err_out; 1601 1602 qlcnic_release_firmware(adapter); 1603 QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1604 1605 check_fw_status: 1606 err = qlcnic_check_fw_status(adapter); 1607 if (err) 1608 goto err_out; 1609 1610 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1611 qlcnic_idc_debug_info(adapter, 1); 1612 err = qlcnic_check_eswitch_mode(adapter); 1613 if (err) { 1614 dev_err(&adapter->pdev->dev, 1615 "Memory allocation failed for eswitch\n"); 1616 goto err_out; 1617 } 1618 err = qlcnic_set_mgmt_operations(adapter); 1619 if (err) 1620 goto err_out; 1621 1622 qlcnic_check_options(adapter); 1623 adapter->need_fw_reset = 0; 1624 1625 qlcnic_release_firmware(adapter); 1626 return 0; 1627 1628 err_out: 1629 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1630 dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1631 1632 qlcnic_release_firmware(adapter); 1633 return err; 1634 } 1635 1636 static int 1637 qlcnic_request_irq(struct qlcnic_adapter *adapter) 1638 { 1639 irq_handler_t handler; 1640 struct qlcnic_host_sds_ring *sds_ring; 1641 struct qlcnic_host_tx_ring *tx_ring; 1642 int err, ring, num_sds_rings; 1643 1644 unsigned long flags = 0; 1645 struct net_device *netdev = adapter->netdev; 1646 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1647 1648 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1649 if (qlcnic_82xx_check(adapter)) 1650 handler = qlcnic_tmp_intr; 1651 else 1652 handler = qlcnic_83xx_tmp_intr; 1653 if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1654 flags |= IRQF_SHARED; 1655 1656 } else { 1657 if (adapter->flags & QLCNIC_MSIX_ENABLED) 1658 handler = qlcnic_msix_intr; 1659 else if (adapter->flags & QLCNIC_MSI_ENABLED) 1660 handler = qlcnic_msi_intr; 1661 else { 1662 flags |= IRQF_SHARED; 1663 if (qlcnic_82xx_check(adapter)) 1664 handler = qlcnic_intr; 1665 else 1666 handler = qlcnic_83xx_intr; 1667 } 1668 } 1669 adapter->irq = netdev->irq; 1670 1671 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1672 if (qlcnic_82xx_check(adapter) || 1673 (qlcnic_83xx_check(adapter) && 1674 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1675 num_sds_rings = adapter->drv_sds_rings; 1676 for (ring = 0; ring < num_sds_rings; ring++) { 1677 sds_ring = &recv_ctx->sds_rings[ring]; 1678 if (qlcnic_82xx_check(adapter) && 1679 !qlcnic_check_multi_tx(adapter) && 1680 (ring == (num_sds_rings - 1))) { 1681 if (!(adapter->flags & 1682 QLCNIC_MSIX_ENABLED)) 1683 snprintf(sds_ring->name, 1684 sizeof(sds_ring->name), 1685 "qlcnic"); 1686 else 1687 snprintf(sds_ring->name, 1688 sizeof(sds_ring->name), 1689 "%s-tx-0-rx-%d", 1690 netdev->name, ring); 1691 } else { 1692 snprintf(sds_ring->name, 1693 sizeof(sds_ring->name), 1694 "%s-rx-%d", 1695 netdev->name, ring); 1696 } 1697 err = request_irq(sds_ring->irq, handler, flags, 1698 sds_ring->name, sds_ring); 1699 if (err) 1700 return err; 1701 } 1702 } 1703 if ((qlcnic_82xx_check(adapter) && 1704 qlcnic_check_multi_tx(adapter)) || 1705 (qlcnic_83xx_check(adapter) && 1706 (adapter->flags & QLCNIC_MSIX_ENABLED) && 1707 !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 1708 handler = qlcnic_msix_tx_intr; 1709 for (ring = 0; ring < adapter->drv_tx_rings; 1710 ring++) { 1711 tx_ring = &adapter->tx_ring[ring]; 1712 snprintf(tx_ring->name, sizeof(tx_ring->name), 1713 "%s-tx-%d", netdev->name, ring); 1714 err = request_irq(tx_ring->irq, handler, flags, 1715 tx_ring->name, tx_ring); 1716 if (err) 1717 return err; 1718 } 1719 } 1720 } 1721 return 0; 1722 } 1723 1724 static void 1725 qlcnic_free_irq(struct qlcnic_adapter *adapter) 1726 { 1727 int ring; 1728 struct qlcnic_host_sds_ring *sds_ring; 1729 struct qlcnic_host_tx_ring *tx_ring; 1730 1731 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1732 1733 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1734 if (qlcnic_82xx_check(adapter) || 1735 (qlcnic_83xx_check(adapter) && 1736 (adapter->flags & QLCNIC_MSIX_ENABLED))) { 1737 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1738 sds_ring = &recv_ctx->sds_rings[ring]; 1739 free_irq(sds_ring->irq, sds_ring); 1740 } 1741 } 1742 if ((qlcnic_83xx_check(adapter) && 1743 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1744 (qlcnic_82xx_check(adapter) && 1745 qlcnic_check_multi_tx(adapter))) { 1746 for (ring = 0; ring < adapter->drv_tx_rings; 1747 ring++) { 1748 tx_ring = &adapter->tx_ring[ring]; 1749 if (tx_ring->irq) 1750 free_irq(tx_ring->irq, tx_ring); 1751 } 1752 } 1753 } 1754 } 1755 1756 static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 1757 { 1758 u32 capab = 0; 1759 1760 if (qlcnic_82xx_check(adapter)) { 1761 if (adapter->ahw->extra_capability[0] & 1762 QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 1763 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1764 } else { 1765 capab = adapter->ahw->capabilities; 1766 if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 1767 adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 1768 } 1769 } 1770 1771 static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) 1772 { 1773 struct qlcnic_hardware_context *ahw = adapter->ahw; 1774 int err; 1775 1776 /* Initialize interrupt coalesce parameters */ 1777 ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1778 1779 if (qlcnic_83xx_check(adapter)) { 1780 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; 1781 ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1782 ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1783 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1784 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1785 1786 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); 1787 } else { 1788 ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1789 ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1790 ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1791 1792 err = qlcnic_82xx_set_rx_coalesce(adapter); 1793 } 1794 1795 return err; 1796 } 1797 1798 int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1799 { 1800 int ring; 1801 struct qlcnic_host_rds_ring *rds_ring; 1802 1803 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1804 return -EIO; 1805 1806 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1807 return 0; 1808 1809 if (qlcnic_set_eswitch_port_config(adapter)) 1810 return -EIO; 1811 1812 qlcnic_get_lro_mss_capability(adapter); 1813 1814 if (qlcnic_fw_create_ctx(adapter)) 1815 return -EIO; 1816 1817 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1818 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 1819 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1820 } 1821 1822 qlcnic_set_multi(netdev); 1823 qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1824 1825 adapter->ahw->linkup = 0; 1826 1827 if (adapter->drv_sds_rings > 1) 1828 qlcnic_config_rss(adapter, 1); 1829 1830 qlcnic_config_def_intr_coalesce(adapter); 1831 1832 if (netdev->features & NETIF_F_LRO) 1833 qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1834 1835 set_bit(__QLCNIC_DEV_UP, &adapter->state); 1836 qlcnic_napi_enable(adapter); 1837 1838 qlcnic_linkevent_request(adapter, 1); 1839 1840 adapter->ahw->reset_context = 0; 1841 netif_tx_start_all_queues(netdev); 1842 return 0; 1843 } 1844 1845 int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1846 { 1847 int err = 0; 1848 1849 rtnl_lock(); 1850 if (netif_running(netdev)) 1851 err = __qlcnic_up(adapter, netdev); 1852 rtnl_unlock(); 1853 1854 return err; 1855 } 1856 1857 void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1858 { 1859 int ring; 1860 1861 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1862 return; 1863 1864 if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1865 return; 1866 1867 if (qlcnic_sriov_vf_check(adapter)) 1868 qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1869 smp_mb(); 1870 netif_carrier_off(netdev); 1871 adapter->ahw->linkup = 0; 1872 netif_tx_disable(netdev); 1873 1874 qlcnic_free_mac_list(adapter); 1875 1876 if (adapter->fhash.fnum) 1877 qlcnic_delete_lb_filters(adapter); 1878 1879 qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1880 1881 qlcnic_napi_disable(adapter); 1882 1883 qlcnic_fw_destroy_ctx(adapter); 1884 adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1885 1886 qlcnic_reset_rx_buffers_list(adapter); 1887 1888 for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1889 qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1890 } 1891 1892 /* Usage: During suspend and firmware recovery module */ 1893 1894 void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1895 { 1896 rtnl_lock(); 1897 if (netif_running(netdev)) 1898 __qlcnic_down(adapter, netdev); 1899 rtnl_unlock(); 1900 1901 } 1902 1903 int 1904 qlcnic_attach(struct qlcnic_adapter *adapter) 1905 { 1906 struct net_device *netdev = adapter->netdev; 1907 struct pci_dev *pdev = adapter->pdev; 1908 int err; 1909 1910 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1911 return 0; 1912 1913 err = qlcnic_napi_add(adapter, netdev); 1914 if (err) 1915 return err; 1916 1917 err = qlcnic_alloc_sw_resources(adapter); 1918 if (err) { 1919 dev_err(&pdev->dev, "Error in setting sw resources\n"); 1920 goto err_out_napi_del; 1921 } 1922 1923 err = qlcnic_alloc_hw_resources(adapter); 1924 if (err) { 1925 dev_err(&pdev->dev, "Error in setting hw resources\n"); 1926 goto err_out_free_sw; 1927 } 1928 1929 err = qlcnic_request_irq(adapter); 1930 if (err) { 1931 dev_err(&pdev->dev, "failed to setup interrupt\n"); 1932 goto err_out_free_hw; 1933 } 1934 1935 qlcnic_create_sysfs_entries(adapter); 1936 1937 adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 1938 return 0; 1939 1940 err_out_free_hw: 1941 qlcnic_free_hw_resources(adapter); 1942 err_out_free_sw: 1943 qlcnic_free_sw_resources(adapter); 1944 err_out_napi_del: 1945 qlcnic_napi_del(adapter); 1946 return err; 1947 } 1948 1949 void qlcnic_detach(struct qlcnic_adapter *adapter) 1950 { 1951 if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1952 return; 1953 1954 qlcnic_remove_sysfs_entries(adapter); 1955 1956 qlcnic_free_hw_resources(adapter); 1957 qlcnic_release_rx_buffers(adapter); 1958 qlcnic_free_irq(adapter); 1959 qlcnic_napi_del(adapter); 1960 qlcnic_free_sw_resources(adapter); 1961 1962 adapter->is_up = 0; 1963 } 1964 1965 void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 1966 { 1967 struct qlcnic_adapter *adapter = netdev_priv(netdev); 1968 struct qlcnic_host_sds_ring *sds_ring; 1969 int drv_tx_rings = adapter->drv_tx_rings; 1970 int ring; 1971 1972 clear_bit(__QLCNIC_DEV_UP, &adapter->state); 1973 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 1974 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1975 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 1976 qlcnic_disable_sds_intr(adapter, sds_ring); 1977 } 1978 } 1979 1980 qlcnic_fw_destroy_ctx(adapter); 1981 1982 qlcnic_detach(adapter); 1983 1984 adapter->ahw->diag_test = 0; 1985 adapter->drv_sds_rings = drv_sds_rings; 1986 adapter->drv_tx_rings = drv_tx_rings; 1987 1988 if (qlcnic_attach(adapter)) 1989 goto out; 1990 1991 if (netif_running(netdev)) 1992 __qlcnic_up(adapter, netdev); 1993 out: 1994 netif_device_attach(netdev); 1995 } 1996 1997 static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 1998 { 1999 int err = 0; 2000 2001 adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 2002 GFP_KERNEL); 2003 if (!adapter->recv_ctx) { 2004 err = -ENOMEM; 2005 goto err_out; 2006 } 2007 2008 /* clear stats */ 2009 memset(&adapter->stats, 0, sizeof(adapter->stats)); 2010 err_out: 2011 return err; 2012 } 2013 2014 static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 2015 { 2016 kfree(adapter->recv_ctx); 2017 adapter->recv_ctx = NULL; 2018 2019 if (adapter->ahw->fw_dump.tmpl_hdr) { 2020 vfree(adapter->ahw->fw_dump.tmpl_hdr); 2021 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2022 } 2023 2024 kfree(adapter->ahw->reset.buff); 2025 adapter->ahw->fw_dump.tmpl_hdr = NULL; 2026 } 2027 2028 int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 2029 { 2030 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2031 struct qlcnic_host_sds_ring *sds_ring; 2032 struct qlcnic_host_rds_ring *rds_ring; 2033 int ring; 2034 int ret; 2035 2036 netif_device_detach(netdev); 2037 2038 if (netif_running(netdev)) 2039 __qlcnic_down(adapter, netdev); 2040 2041 qlcnic_detach(adapter); 2042 2043 adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 2044 adapter->ahw->diag_test = test; 2045 adapter->ahw->linkup = 0; 2046 2047 ret = qlcnic_attach(adapter); 2048 if (ret) { 2049 netif_device_attach(netdev); 2050 return ret; 2051 } 2052 2053 ret = qlcnic_fw_create_ctx(adapter); 2054 if (ret) { 2055 qlcnic_detach(adapter); 2056 netif_device_attach(netdev); 2057 return ret; 2058 } 2059 2060 for (ring = 0; ring < adapter->max_rds_rings; ring++) { 2061 rds_ring = &adapter->recv_ctx->rds_rings[ring]; 2062 qlcnic_post_rx_buffers(adapter, rds_ring, ring); 2063 } 2064 2065 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 2066 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2067 sds_ring = &adapter->recv_ctx->sds_rings[ring]; 2068 qlcnic_enable_sds_intr(adapter, sds_ring); 2069 } 2070 } 2071 2072 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 2073 adapter->ahw->loopback_state = 0; 2074 qlcnic_linkevent_request(adapter, 1); 2075 } 2076 2077 set_bit(__QLCNIC_DEV_UP, &adapter->state); 2078 2079 return 0; 2080 } 2081 2082 /* Reset context in hardware only */ 2083 static int 2084 qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 2085 { 2086 struct net_device *netdev = adapter->netdev; 2087 2088 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2089 return -EBUSY; 2090 2091 netif_device_detach(netdev); 2092 2093 qlcnic_down(adapter, netdev); 2094 2095 qlcnic_up(adapter, netdev); 2096 2097 netif_device_attach(netdev); 2098 2099 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2100 netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2101 return 0; 2102 } 2103 2104 int 2105 qlcnic_reset_context(struct qlcnic_adapter *adapter) 2106 { 2107 int err = 0; 2108 struct net_device *netdev = adapter->netdev; 2109 2110 if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2111 return -EBUSY; 2112 2113 if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2114 2115 netif_device_detach(netdev); 2116 2117 if (netif_running(netdev)) 2118 __qlcnic_down(adapter, netdev); 2119 2120 qlcnic_detach(adapter); 2121 2122 if (netif_running(netdev)) { 2123 err = qlcnic_attach(adapter); 2124 if (!err) { 2125 __qlcnic_up(adapter, netdev); 2126 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 2127 } 2128 } 2129 2130 netif_device_attach(netdev); 2131 } 2132 2133 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2134 return err; 2135 } 2136 2137 static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 2138 { 2139 struct qlcnic_hardware_context *ahw = adapter->ahw; 2140 u16 act_pci_fn = ahw->total_nic_func; 2141 u16 count; 2142 2143 ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 2144 if (act_pci_fn <= 2) 2145 count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 2146 act_pci_fn; 2147 else 2148 count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 2149 act_pci_fn; 2150 ahw->max_uc_count = count; 2151 } 2152 2153 int 2154 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 2155 int pci_using_dac) 2156 { 2157 int err; 2158 struct pci_dev *pdev = adapter->pdev; 2159 2160 adapter->rx_csum = 1; 2161 adapter->ahw->mc_enabled = 0; 2162 qlcnic_set_mac_filter_count(adapter); 2163 2164 netdev->netdev_ops = &qlcnic_netdev_ops; 2165 netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2166 2167 qlcnic_change_mtu(netdev, netdev->mtu); 2168 2169 if (qlcnic_sriov_vf_check(adapter)) 2170 SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops); 2171 else 2172 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); 2173 2174 netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 2175 NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2176 NETIF_F_HW_VLAN_CTAG_RX); 2177 netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 2178 NETIF_F_IPV6_CSUM); 2179 2180 if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 2181 netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 2182 netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 2183 } 2184 2185 if (pci_using_dac) { 2186 netdev->features |= NETIF_F_HIGHDMA; 2187 netdev->vlan_features |= NETIF_F_HIGHDMA; 2188 } 2189 2190 if (qlcnic_vlan_tx_check(adapter)) 2191 netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 2192 2193 if (qlcnic_sriov_vf_check(adapter)) 2194 netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 2195 2196 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 2197 netdev->features |= NETIF_F_LRO; 2198 2199 netdev->hw_features = netdev->features; 2200 netdev->priv_flags |= IFF_UNICAST_FLT; 2201 netdev->irq = adapter->msix_entries[0].vector; 2202 2203 err = qlcnic_set_real_num_queues(adapter, netdev); 2204 if (err) 2205 return err; 2206 2207 err = register_netdev(netdev); 2208 if (err) { 2209 dev_err(&pdev->dev, "failed to register net device\n"); 2210 return err; 2211 } 2212 2213 qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 2214 2215 return 0; 2216 } 2217 2218 static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2219 { 2220 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2221 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2222 *pci_using_dac = 1; 2223 else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2224 !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2225 *pci_using_dac = 0; 2226 else { 2227 dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2228 return -EIO; 2229 } 2230 2231 return 0; 2232 } 2233 2234 void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 2235 { 2236 int ring; 2237 struct qlcnic_host_tx_ring *tx_ring; 2238 2239 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2240 tx_ring = &adapter->tx_ring[ring]; 2241 if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 2242 vfree(tx_ring->cmd_buf_arr); 2243 tx_ring->cmd_buf_arr = NULL; 2244 } 2245 } 2246 if (adapter->tx_ring != NULL) 2247 kfree(adapter->tx_ring); 2248 } 2249 2250 int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 2251 struct net_device *netdev) 2252 { 2253 int ring, vector, index; 2254 struct qlcnic_host_tx_ring *tx_ring; 2255 struct qlcnic_cmd_buffer *cmd_buf_arr; 2256 2257 tx_ring = kcalloc(adapter->drv_tx_rings, 2258 sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2259 if (tx_ring == NULL) 2260 return -ENOMEM; 2261 2262 adapter->tx_ring = tx_ring; 2263 2264 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2265 tx_ring = &adapter->tx_ring[ring]; 2266 tx_ring->num_desc = adapter->num_txd; 2267 tx_ring->txq = netdev_get_tx_queue(netdev, ring); 2268 cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 2269 if (cmd_buf_arr == NULL) { 2270 qlcnic_free_tx_rings(adapter); 2271 return -ENOMEM; 2272 } 2273 memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 2274 tx_ring->cmd_buf_arr = cmd_buf_arr; 2275 spin_lock_init(&tx_ring->tx_clean_lock); 2276 } 2277 2278 if (qlcnic_83xx_check(adapter) || 2279 (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 2280 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2281 tx_ring = &adapter->tx_ring[ring]; 2282 tx_ring->adapter = adapter; 2283 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 2284 index = adapter->drv_sds_rings + ring; 2285 vector = adapter->msix_entries[index].vector; 2286 tx_ring->irq = vector; 2287 } 2288 } 2289 } 2290 2291 return 0; 2292 } 2293 2294 void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 2295 { 2296 struct qlcnic_hardware_context *ahw = adapter->ahw; 2297 u32 fw_cmd = 0; 2298 2299 if (qlcnic_82xx_check(adapter)) 2300 fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 2301 else if (qlcnic_83xx_check(adapter)) 2302 fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 2303 2304 if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 2305 qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 2306 } 2307 2308 static int 2309 qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2310 { 2311 struct net_device *netdev = NULL; 2312 struct qlcnic_adapter *adapter = NULL; 2313 struct qlcnic_hardware_context *ahw; 2314 int err, pci_using_dac = -1; 2315 char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2316 2317 if (pdev->is_virtfn) 2318 return -ENODEV; 2319 2320 err = pci_enable_device(pdev); 2321 if (err) 2322 return err; 2323 2324 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2325 err = -ENODEV; 2326 goto err_out_disable_pdev; 2327 } 2328 2329 err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2330 if (err) 2331 goto err_out_disable_pdev; 2332 2333 err = pci_request_regions(pdev, qlcnic_driver_name); 2334 if (err) 2335 goto err_out_disable_pdev; 2336 2337 pci_set_master(pdev); 2338 pci_enable_pcie_error_reporting(pdev); 2339 2340 ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 2341 if (!ahw) { 2342 err = -ENOMEM; 2343 goto err_out_free_res; 2344 } 2345 2346 switch (ent->device) { 2347 case PCI_DEVICE_ID_QLOGIC_QLE824X: 2348 ahw->hw_ops = &qlcnic_hw_ops; 2349 ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2350 break; 2351 case PCI_DEVICE_ID_QLOGIC_QLE834X: 2352 case PCI_DEVICE_ID_QLOGIC_QLE844X: 2353 qlcnic_83xx_register_map(ahw); 2354 break; 2355 case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 2356 case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2357 qlcnic_sriov_vf_register_map(ahw); 2358 break; 2359 default: 2360 goto err_out_free_hw_res; 2361 } 2362 2363 err = qlcnic_setup_pci_map(pdev, ahw); 2364 if (err) 2365 goto err_out_free_hw_res; 2366 2367 netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2368 QLCNIC_MAX_TX_RINGS); 2369 if (!netdev) { 2370 err = -ENOMEM; 2371 goto err_out_iounmap; 2372 } 2373 2374 SET_NETDEV_DEV(netdev, &pdev->dev); 2375 2376 adapter = netdev_priv(netdev); 2377 adapter->netdev = netdev; 2378 adapter->pdev = pdev; 2379 adapter->ahw = ahw; 2380 2381 adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 2382 if (adapter->qlcnic_wq == NULL) { 2383 err = -ENOMEM; 2384 dev_err(&pdev->dev, "Failed to create workqueue\n"); 2385 goto err_out_free_netdev; 2386 } 2387 2388 err = qlcnic_alloc_adapter_resources(adapter); 2389 if (err) 2390 goto err_out_free_wq; 2391 2392 adapter->dev_rst_time = jiffies; 2393 ahw->revision_id = pdev->revision; 2394 ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2395 if (qlcnic_mac_learn == FDB_MAC_LEARN) 2396 adapter->fdb_mac_learn = true; 2397 else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2398 adapter->drv_mac_learn = true; 2399 2400 rwlock_init(&adapter->ahw->crb_lock); 2401 mutex_init(&adapter->ahw->mem_lock); 2402 2403 INIT_LIST_HEAD(&adapter->mac_list); 2404 2405 qlcnic_register_dcb(adapter); 2406 2407 if (qlcnic_82xx_check(adapter)) { 2408 qlcnic_check_vf(adapter, ent); 2409 adapter->portnum = adapter->ahw->pci_func; 2410 err = qlcnic_start_firmware(adapter); 2411 if (err) { 2412 dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 2413 "\t\tIf reboot doesn't help, try flashing the card\n"); 2414 goto err_out_maintenance_mode; 2415 } 2416 2417 /* compute and set default and max tx/sds rings */ 2418 if (adapter->ahw->msix_supported) { 2419 if (qlcnic_check_multi_tx_capability(adapter) == 1) 2420 qlcnic_set_tx_ring_count(adapter, 2421 QLCNIC_SINGLE_RING); 2422 else 2423 qlcnic_set_tx_ring_count(adapter, 2424 QLCNIC_DEF_TX_RINGS); 2425 qlcnic_set_sds_ring_count(adapter, 2426 QLCNIC_DEF_SDS_RINGS); 2427 } else { 2428 qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 2429 qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2430 } 2431 2432 err = qlcnic_setup_idc_param(adapter); 2433 if (err) 2434 goto err_out_free_hw; 2435 2436 adapter->flags |= QLCNIC_NEED_FLR; 2437 2438 } else if (qlcnic_83xx_check(adapter)) { 2439 qlcnic_83xx_check_vf(adapter, ent); 2440 adapter->portnum = adapter->ahw->pci_func; 2441 err = qlcnic_83xx_init(adapter, pci_using_dac); 2442 if (err) { 2443 switch (err) { 2444 case -ENOTRECOVERABLE: 2445 dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware. Please reboot\n"); 2446 dev_err(&pdev->dev, "If reboot doesn't help, please replace the adapter with new one and return the faulty adapter for repair\n"); 2447 goto err_out_free_hw; 2448 case -ENOMEM: 2449 dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 2450 goto err_out_free_hw; 2451 default: 2452 dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n"); 2453 dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n"); 2454 goto err_out_maintenance_mode; 2455 } 2456 } 2457 2458 if (qlcnic_sriov_vf_check(adapter)) 2459 return 0; 2460 } else { 2461 dev_err(&pdev->dev, 2462 "%s: failed. Please Reboot\n", __func__); 2463 goto err_out_free_hw; 2464 } 2465 2466 qlcnic_dcb_enable(adapter->dcb); 2467 2468 if (qlcnic_read_mac_addr(adapter)) 2469 dev_warn(&pdev->dev, "failed to read mac addr\n"); 2470 2471 qlcnic_read_phys_port_id(adapter); 2472 2473 if (adapter->portnum == 0) { 2474 qlcnic_get_board_name(adapter, board_name); 2475 2476 pr_info("%s: %s Board Chip rev 0x%x\n", 2477 module_name(THIS_MODULE), 2478 board_name, adapter->ahw->revision_id); 2479 } 2480 2481 if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2482 !!qlcnic_use_msi) 2483 dev_warn(&pdev->dev, 2484 "Device does not support MSI interrupts\n"); 2485 2486 if (qlcnic_82xx_check(adapter)) { 2487 err = qlcnic_setup_intr(adapter); 2488 if (err) { 2489 dev_err(&pdev->dev, "Failed to setup interrupt\n"); 2490 goto err_out_disable_msi; 2491 } 2492 } 2493 2494 err = qlcnic_get_act_pci_func(adapter); 2495 if (err) 2496 goto err_out_disable_mbx_intr; 2497 2498 err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2499 if (err) 2500 goto err_out_disable_mbx_intr; 2501 2502 if (adapter->portnum == 0) 2503 qlcnic_set_drv_version(adapter); 2504 2505 pci_set_drvdata(pdev, adapter); 2506 2507 if (qlcnic_82xx_check(adapter)) 2508 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 2509 FW_POLL_DELAY); 2510 2511 switch (adapter->ahw->port_type) { 2512 case QLCNIC_GBE: 2513 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2514 adapter->netdev->name); 2515 break; 2516 case QLCNIC_XGBE: 2517 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2518 adapter->netdev->name); 2519 break; 2520 } 2521 2522 if (adapter->drv_mac_learn) 2523 qlcnic_alloc_lb_filters_mem(adapter); 2524 2525 qlcnic_add_sysfs(adapter); 2526 2527 return 0; 2528 2529 err_out_disable_mbx_intr: 2530 if (qlcnic_83xx_check(adapter)) 2531 qlcnic_83xx_free_mbx_intr(adapter); 2532 2533 err_out_disable_msi: 2534 qlcnic_teardown_intr(adapter); 2535 qlcnic_cancel_idc_work(adapter); 2536 qlcnic_clr_all_drv_state(adapter, 0); 2537 2538 err_out_free_hw: 2539 qlcnic_free_adapter_resources(adapter); 2540 2541 err_out_free_wq: 2542 destroy_workqueue(adapter->qlcnic_wq); 2543 2544 err_out_free_netdev: 2545 free_netdev(netdev); 2546 2547 err_out_iounmap: 2548 qlcnic_cleanup_pci_map(ahw); 2549 2550 err_out_free_hw_res: 2551 kfree(ahw); 2552 2553 err_out_free_res: 2554 pci_release_regions(pdev); 2555 2556 err_out_disable_pdev: 2557 pci_disable_device(pdev); 2558 return err; 2559 2560 err_out_maintenance_mode: 2561 set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 2562 netdev->netdev_ops = &qlcnic_netdev_failed_ops; 2563 SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops); 2564 ahw->port_type = QLCNIC_XGBE; 2565 2566 if (qlcnic_83xx_check(adapter)) 2567 adapter->tgt_status_reg = NULL; 2568 else 2569 ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 2570 2571 err = register_netdev(netdev); 2572 2573 if (err) { 2574 dev_err(&pdev->dev, "Failed to register net device\n"); 2575 qlcnic_clr_all_drv_state(adapter, 0); 2576 goto err_out_free_hw; 2577 } 2578 2579 pci_set_drvdata(pdev, adapter); 2580 qlcnic_add_sysfs(adapter); 2581 2582 return 0; 2583 } 2584 2585 static void qlcnic_remove(struct pci_dev *pdev) 2586 { 2587 struct qlcnic_adapter *adapter; 2588 struct net_device *netdev; 2589 struct qlcnic_hardware_context *ahw; 2590 2591 adapter = pci_get_drvdata(pdev); 2592 if (adapter == NULL) 2593 return; 2594 2595 netdev = adapter->netdev; 2596 qlcnic_sriov_pf_disable(adapter); 2597 2598 qlcnic_cancel_idc_work(adapter); 2599 ahw = adapter->ahw; 2600 2601 unregister_netdev(netdev); 2602 qlcnic_sriov_cleanup(adapter); 2603 2604 if (qlcnic_83xx_check(adapter)) { 2605 qlcnic_83xx_initialize_nic(adapter, 0); 2606 cancel_delayed_work_sync(&adapter->idc_aen_work); 2607 qlcnic_83xx_free_mbx_intr(adapter); 2608 qlcnic_83xx_detach_mailbox_work(adapter); 2609 qlcnic_83xx_free_mailbox(ahw->mailbox); 2610 kfree(ahw->fw_info); 2611 } 2612 2613 qlcnic_dcb_free(adapter->dcb); 2614 2615 qlcnic_detach(adapter); 2616 2617 if (adapter->npars != NULL) 2618 kfree(adapter->npars); 2619 if (adapter->eswitch != NULL) 2620 kfree(adapter->eswitch); 2621 2622 if (qlcnic_82xx_check(adapter)) 2623 qlcnic_clr_all_drv_state(adapter, 0); 2624 2625 clear_bit(__QLCNIC_RESETTING, &adapter->state); 2626 2627 qlcnic_free_lb_filters_mem(adapter); 2628 2629 qlcnic_teardown_intr(adapter); 2630 2631 qlcnic_remove_sysfs(adapter); 2632 2633 qlcnic_cleanup_pci_map(adapter->ahw); 2634 2635 qlcnic_release_firmware(adapter); 2636 2637 pci_disable_pcie_error_reporting(pdev); 2638 pci_release_regions(pdev); 2639 pci_disable_device(pdev); 2640 2641 if (adapter->qlcnic_wq) { 2642 destroy_workqueue(adapter->qlcnic_wq); 2643 adapter->qlcnic_wq = NULL; 2644 } 2645 2646 qlcnic_free_adapter_resources(adapter); 2647 kfree(ahw); 2648 free_netdev(netdev); 2649 } 2650 2651 static void qlcnic_shutdown(struct pci_dev *pdev) 2652 { 2653 if (__qlcnic_shutdown(pdev)) 2654 return; 2655 2656 pci_disable_device(pdev); 2657 } 2658 2659 #ifdef CONFIG_PM 2660 static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2661 { 2662 int retval; 2663 2664 retval = __qlcnic_shutdown(pdev); 2665 if (retval) 2666 return retval; 2667 2668 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2669 return 0; 2670 } 2671 2672 static int qlcnic_resume(struct pci_dev *pdev) 2673 { 2674 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2675 int err; 2676 2677 err = pci_enable_device(pdev); 2678 if (err) 2679 return err; 2680 2681 pci_set_power_state(pdev, PCI_D0); 2682 pci_set_master(pdev); 2683 pci_restore_state(pdev); 2684 2685 return __qlcnic_resume(adapter); 2686 } 2687 #endif 2688 2689 static int qlcnic_open(struct net_device *netdev) 2690 { 2691 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2692 int err; 2693 2694 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 2695 netdev_err(netdev, "%s: Device is in non-operational state\n", 2696 __func__); 2697 2698 return -EIO; 2699 } 2700 2701 netif_carrier_off(netdev); 2702 2703 err = qlcnic_attach(adapter); 2704 if (err) 2705 return err; 2706 2707 err = __qlcnic_up(adapter, netdev); 2708 if (err) 2709 qlcnic_detach(adapter); 2710 2711 return err; 2712 } 2713 2714 /* 2715 * qlcnic_close - Disables a network interface entry point 2716 */ 2717 static int qlcnic_close(struct net_device *netdev) 2718 { 2719 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2720 2721 __qlcnic_down(adapter, netdev); 2722 2723 return 0; 2724 } 2725 2726 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2727 { 2728 void *head; 2729 int i; 2730 struct net_device *netdev = adapter->netdev; 2731 u32 filter_size = 0; 2732 u16 act_pci_func = 0; 2733 2734 if (adapter->fhash.fmax && adapter->fhash.fhead) 2735 return; 2736 2737 act_pci_func = adapter->ahw->total_nic_func; 2738 spin_lock_init(&adapter->mac_learn_lock); 2739 spin_lock_init(&adapter->rx_mac_learn_lock); 2740 2741 if (qlcnic_82xx_check(adapter)) { 2742 filter_size = QLCNIC_LB_MAX_FILTERS; 2743 adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 2744 } else { 2745 filter_size = QLC_83XX_LB_MAX_FILTERS; 2746 adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 2747 } 2748 2749 head = kcalloc(adapter->fhash.fbucket_size, 2750 sizeof(struct hlist_head), GFP_ATOMIC); 2751 2752 if (!head) 2753 return; 2754 2755 adapter->fhash.fmax = (filter_size / act_pci_func); 2756 adapter->fhash.fhead = head; 2757 2758 netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 2759 act_pci_func, adapter->fhash.fmax); 2760 2761 for (i = 0; i < adapter->fhash.fbucket_size; i++) 2762 INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 2763 2764 adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 2765 2766 head = kcalloc(adapter->rx_fhash.fbucket_size, 2767 sizeof(struct hlist_head), GFP_ATOMIC); 2768 2769 if (!head) 2770 return; 2771 2772 adapter->rx_fhash.fmax = (filter_size / act_pci_func); 2773 adapter->rx_fhash.fhead = head; 2774 2775 for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 2776 INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2777 } 2778 2779 static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2780 { 2781 if (adapter->fhash.fmax && adapter->fhash.fhead) 2782 kfree(adapter->fhash.fhead); 2783 2784 adapter->fhash.fhead = NULL; 2785 adapter->fhash.fmax = 0; 2786 2787 if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 2788 kfree(adapter->rx_fhash.fhead); 2789 2790 adapter->rx_fhash.fmax = 0; 2791 adapter->rx_fhash.fhead = NULL; 2792 } 2793 2794 int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2795 { 2796 struct net_device *netdev = adapter->netdev; 2797 u32 temp_state, temp_val, temp = 0; 2798 int rv = 0; 2799 2800 if (qlcnic_83xx_check(adapter)) 2801 temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 2802 2803 if (qlcnic_82xx_check(adapter)) 2804 temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2805 2806 temp_state = qlcnic_get_temp_state(temp); 2807 temp_val = qlcnic_get_temp_val(temp); 2808 2809 if (temp_state == QLCNIC_TEMP_PANIC) { 2810 dev_err(&netdev->dev, 2811 "Device temperature %d degrees C exceeds" 2812 " maximum allowed. Hardware has been shut down.\n", 2813 temp_val); 2814 rv = 1; 2815 } else if (temp_state == QLCNIC_TEMP_WARN) { 2816 if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2817 dev_err(&netdev->dev, 2818 "Device temperature %d degrees C " 2819 "exceeds operating range." 2820 " Immediate action needed.\n", 2821 temp_val); 2822 } 2823 } else { 2824 if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2825 dev_info(&netdev->dev, 2826 "Device temperature is now %d degrees C" 2827 " in normal range.\n", temp_val); 2828 } 2829 } 2830 adapter->ahw->temp = temp_state; 2831 return rv; 2832 } 2833 2834 static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 2835 { 2836 int i; 2837 struct cmd_desc_type0 *tx_desc_info; 2838 2839 for (i = 0; i < tx_ring->num_desc; i++) { 2840 tx_desc_info = &tx_ring->desc_head[i]; 2841 pr_info("TX Desc: %d\n", i); 2842 print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 2843 &tx_ring->desc_head[i], 2844 sizeof(struct cmd_desc_type0), true); 2845 } 2846 } 2847 2848 static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter) 2849 { 2850 struct net_device *netdev = adapter->netdev; 2851 struct qlcnic_host_tx_ring *tx_ring; 2852 int ring; 2853 2854 if (!netdev || !netif_running(netdev)) 2855 return; 2856 2857 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 2858 tx_ring = &adapter->tx_ring[ring]; 2859 netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 2860 ring, tx_ring->ctx_id); 2861 netdev_info(netdev, 2862 "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 2863 tx_ring->tx_stats.xmit_finished, 2864 tx_ring->tx_stats.xmit_called, 2865 tx_ring->tx_stats.xmit_on, 2866 tx_ring->tx_stats.xmit_off); 2867 netdev_info(netdev, 2868 "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 2869 readl(tx_ring->crb_intr_mask), 2870 readl(tx_ring->crb_cmd_producer), 2871 tx_ring->producer, tx_ring->sw_consumer, 2872 le32_to_cpu(*(tx_ring->hw_consumer))); 2873 2874 netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 2875 tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 2876 2877 if (netif_msg_tx_done(adapter->ahw)) 2878 dump_tx_ring_desc(tx_ring); 2879 } 2880 } 2881 2882 static void qlcnic_tx_timeout(struct net_device *netdev) 2883 { 2884 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2885 2886 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 2887 return; 2888 2889 if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) { 2890 netdev_info(netdev, "Tx timeout, reset the adapter.\n"); 2891 if (qlcnic_82xx_check(adapter)) 2892 adapter->need_fw_reset = 1; 2893 else if (qlcnic_83xx_check(adapter)) 2894 qlcnic_83xx_idc_request_reset(adapter, 2895 QLCNIC_FORCE_FW_DUMP_KEY); 2896 } else { 2897 netdev_info(netdev, "Tx timeout, reset adapter context.\n"); 2898 qlcnic_dump_tx_rings(adapter); 2899 adapter->ahw->reset_context = 1; 2900 } 2901 } 2902 2903 static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 2904 { 2905 struct qlcnic_adapter *adapter = netdev_priv(netdev); 2906 struct net_device_stats *stats = &netdev->stats; 2907 2908 if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 2909 qlcnic_update_stats(adapter); 2910 2911 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 2912 stats->tx_packets = adapter->stats.xmitfinished; 2913 stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 2914 stats->tx_bytes = adapter->stats.txbytes; 2915 stats->rx_dropped = adapter->stats.rxdropped; 2916 stats->tx_dropped = adapter->stats.txdropped; 2917 2918 return stats; 2919 } 2920 2921 static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 2922 { 2923 u32 status; 2924 2925 status = readl(adapter->isr_int_vec); 2926 2927 if (!(status & adapter->ahw->int_vec_bit)) 2928 return IRQ_NONE; 2929 2930 /* check interrupt state machine, to be sure */ 2931 status = readl(adapter->crb_int_state_reg); 2932 if (!ISR_LEGACY_INT_TRIGGERED(status)) 2933 return IRQ_NONE; 2934 2935 writel(0xffffffff, adapter->tgt_status_reg); 2936 /* read twice to ensure write is flushed */ 2937 readl(adapter->isr_int_vec); 2938 readl(adapter->isr_int_vec); 2939 2940 return IRQ_HANDLED; 2941 } 2942 2943 static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 2944 { 2945 struct qlcnic_host_sds_ring *sds_ring = data; 2946 struct qlcnic_adapter *adapter = sds_ring->adapter; 2947 2948 if (adapter->flags & QLCNIC_MSIX_ENABLED) 2949 goto done; 2950 else if (adapter->flags & QLCNIC_MSI_ENABLED) { 2951 writel(0xffffffff, adapter->tgt_status_reg); 2952 goto done; 2953 } 2954 2955 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2956 return IRQ_NONE; 2957 2958 done: 2959 adapter->ahw->diag_cnt++; 2960 qlcnic_enable_sds_intr(adapter, sds_ring); 2961 return IRQ_HANDLED; 2962 } 2963 2964 static irqreturn_t qlcnic_intr(int irq, void *data) 2965 { 2966 struct qlcnic_host_sds_ring *sds_ring = data; 2967 struct qlcnic_adapter *adapter = sds_ring->adapter; 2968 2969 if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2970 return IRQ_NONE; 2971 2972 napi_schedule(&sds_ring->napi); 2973 2974 return IRQ_HANDLED; 2975 } 2976 2977 static irqreturn_t qlcnic_msi_intr(int irq, void *data) 2978 { 2979 struct qlcnic_host_sds_ring *sds_ring = data; 2980 struct qlcnic_adapter *adapter = sds_ring->adapter; 2981 2982 /* clear interrupt */ 2983 writel(0xffffffff, adapter->tgt_status_reg); 2984 2985 napi_schedule(&sds_ring->napi); 2986 return IRQ_HANDLED; 2987 } 2988 2989 static irqreturn_t qlcnic_msix_intr(int irq, void *data) 2990 { 2991 struct qlcnic_host_sds_ring *sds_ring = data; 2992 2993 napi_schedule(&sds_ring->napi); 2994 return IRQ_HANDLED; 2995 } 2996 2997 static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 2998 { 2999 struct qlcnic_host_tx_ring *tx_ring = data; 3000 3001 napi_schedule(&tx_ring->napi); 3002 return IRQ_HANDLED; 3003 } 3004 3005 #ifdef CONFIG_NET_POLL_CONTROLLER 3006 static void qlcnic_poll_controller(struct net_device *netdev) 3007 { 3008 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3009 struct qlcnic_host_sds_ring *sds_ring; 3010 struct qlcnic_recv_context *recv_ctx; 3011 struct qlcnic_host_tx_ring *tx_ring; 3012 int ring; 3013 3014 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3015 return; 3016 3017 recv_ctx = adapter->recv_ctx; 3018 3019 for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 3020 sds_ring = &recv_ctx->sds_rings[ring]; 3021 qlcnic_disable_sds_intr(adapter, sds_ring); 3022 napi_schedule(&sds_ring->napi); 3023 } 3024 3025 if (adapter->flags & QLCNIC_MSIX_ENABLED) { 3026 /* Only Multi-Tx queue capable devices need to 3027 * schedule NAPI for TX rings 3028 */ 3029 if ((qlcnic_83xx_check(adapter) && 3030 (adapter->flags & QLCNIC_TX_INTR_SHARED)) || 3031 (qlcnic_82xx_check(adapter) && 3032 !qlcnic_check_multi_tx(adapter))) 3033 return; 3034 3035 for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 3036 tx_ring = &adapter->tx_ring[ring]; 3037 qlcnic_disable_tx_intr(adapter, tx_ring); 3038 napi_schedule(&tx_ring->napi); 3039 } 3040 } 3041 } 3042 #endif 3043 3044 static void 3045 qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 3046 { 3047 u32 val; 3048 3049 val = adapter->portnum & 0xf; 3050 val |= encoding << 7; 3051 val |= (jiffies - adapter->dev_rst_time) << 8; 3052 3053 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 3054 adapter->dev_rst_time = jiffies; 3055 } 3056 3057 static int 3058 qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 3059 { 3060 u32 val; 3061 3062 WARN_ON(state != QLCNIC_DEV_NEED_RESET && 3063 state != QLCNIC_DEV_NEED_QUISCENT); 3064 3065 if (qlcnic_api_lock(adapter)) 3066 return -EIO; 3067 3068 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3069 3070 if (state == QLCNIC_DEV_NEED_RESET) 3071 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3072 else if (state == QLCNIC_DEV_NEED_QUISCENT) 3073 QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 3074 3075 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3076 3077 qlcnic_api_unlock(adapter); 3078 3079 return 0; 3080 } 3081 3082 static int 3083 qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3084 { 3085 u32 val; 3086 3087 if (qlcnic_api_lock(adapter)) 3088 return -EBUSY; 3089 3090 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3091 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3092 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3093 3094 qlcnic_api_unlock(adapter); 3095 3096 return 0; 3097 } 3098 3099 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3100 { 3101 u32 val; 3102 3103 if (qlcnic_api_lock(adapter)) 3104 goto err; 3105 3106 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3107 QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3108 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3109 3110 if (failed) { 3111 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3112 QLCNIC_DEV_FAILED); 3113 dev_info(&adapter->pdev->dev, 3114 "Device state set to Failed. Please Reboot\n"); 3115 } else if (!(val & 0x11111111)) 3116 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3117 QLCNIC_DEV_COLD); 3118 3119 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3120 QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3121 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3122 3123 qlcnic_api_unlock(adapter); 3124 err: 3125 adapter->fw_fail_cnt = 0; 3126 adapter->flags &= ~QLCNIC_FW_HANG; 3127 clear_bit(__QLCNIC_START_FW, &adapter->state); 3128 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3129 } 3130 3131 /* Grab api lock, before checking state */ 3132 static int 3133 qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3134 { 3135 int act, state, active_mask; 3136 struct qlcnic_hardware_context *ahw = adapter->ahw; 3137 3138 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3139 act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3140 3141 if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3142 active_mask = (~(1 << (ahw->pci_func * 4))); 3143 act = act & active_mask; 3144 } 3145 3146 if (((state & 0x11111111) == (act & 0x11111111)) || 3147 ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3148 return 0; 3149 else 3150 return 1; 3151 } 3152 3153 static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3154 { 3155 u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3156 3157 if (val != QLCNIC_DRV_IDC_VER) { 3158 dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3159 " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3160 } 3161 3162 return 0; 3163 } 3164 3165 static int 3166 qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3167 { 3168 u32 val, prev_state; 3169 u8 dev_init_timeo = adapter->dev_init_timeo; 3170 u8 portnum = adapter->portnum; 3171 u8 ret; 3172 3173 if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3174 return 1; 3175 3176 if (qlcnic_api_lock(adapter)) 3177 return -1; 3178 3179 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3180 if (!(val & (1 << (portnum * 4)))) { 3181 QLC_DEV_SET_REF_CNT(val, portnum); 3182 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3183 } 3184 3185 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3186 QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3187 3188 switch (prev_state) { 3189 case QLCNIC_DEV_COLD: 3190 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3191 QLCNIC_DEV_INITIALIZING); 3192 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3193 QLCNIC_DRV_IDC_VER); 3194 qlcnic_idc_debug_info(adapter, 0); 3195 qlcnic_api_unlock(adapter); 3196 return 1; 3197 3198 case QLCNIC_DEV_READY: 3199 ret = qlcnic_check_idc_ver(adapter); 3200 qlcnic_api_unlock(adapter); 3201 return ret; 3202 3203 case QLCNIC_DEV_NEED_RESET: 3204 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3205 QLC_DEV_SET_RST_RDY(val, portnum); 3206 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3207 break; 3208 3209 case QLCNIC_DEV_NEED_QUISCENT: 3210 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3211 QLC_DEV_SET_QSCNT_RDY(val, portnum); 3212 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3213 break; 3214 3215 case QLCNIC_DEV_FAILED: 3216 dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3217 qlcnic_api_unlock(adapter); 3218 return -1; 3219 3220 case QLCNIC_DEV_INITIALIZING: 3221 case QLCNIC_DEV_QUISCENT: 3222 break; 3223 } 3224 3225 qlcnic_api_unlock(adapter); 3226 3227 do { 3228 msleep(1000); 3229 prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3230 3231 if (prev_state == QLCNIC_DEV_QUISCENT) 3232 continue; 3233 } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3234 3235 if (!dev_init_timeo) { 3236 dev_err(&adapter->pdev->dev, 3237 "Waiting for device to initialize timeout\n"); 3238 return -1; 3239 } 3240 3241 if (qlcnic_api_lock(adapter)) 3242 return -1; 3243 3244 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3245 QLC_DEV_CLR_RST_QSCNT(val, portnum); 3246 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3247 3248 ret = qlcnic_check_idc_ver(adapter); 3249 qlcnic_api_unlock(adapter); 3250 3251 return ret; 3252 } 3253 3254 static void 3255 qlcnic_fwinit_work(struct work_struct *work) 3256 { 3257 struct qlcnic_adapter *adapter = container_of(work, 3258 struct qlcnic_adapter, fw_work.work); 3259 u32 dev_state = 0xf; 3260 u32 val; 3261 3262 if (qlcnic_api_lock(adapter)) 3263 goto err_ret; 3264 3265 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3266 if (dev_state == QLCNIC_DEV_QUISCENT || 3267 dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3268 qlcnic_api_unlock(adapter); 3269 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3270 FW_POLL_DELAY * 2); 3271 return; 3272 } 3273 3274 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3275 qlcnic_api_unlock(adapter); 3276 goto wait_npar; 3277 } 3278 3279 if (dev_state == QLCNIC_DEV_INITIALIZING || 3280 dev_state == QLCNIC_DEV_READY) { 3281 dev_info(&adapter->pdev->dev, "Detected state change from " 3282 "DEV_NEED_RESET, skipping ack check\n"); 3283 goto skip_ack_check; 3284 } 3285 3286 if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 3287 dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3288 adapter->reset_ack_timeo); 3289 goto skip_ack_check; 3290 } 3291 3292 if (!qlcnic_check_drv_state(adapter)) { 3293 skip_ack_check: 3294 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3295 3296 if (dev_state == QLCNIC_DEV_NEED_RESET) { 3297 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3298 QLCNIC_DEV_INITIALIZING); 3299 set_bit(__QLCNIC_START_FW, &adapter->state); 3300 QLCDB(adapter, DRV, "Restarting fw\n"); 3301 qlcnic_idc_debug_info(adapter, 0); 3302 val = QLC_SHARED_REG_RD32(adapter, 3303 QLCNIC_CRB_DRV_STATE); 3304 QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3305 QLC_SHARED_REG_WR32(adapter, 3306 QLCNIC_CRB_DRV_STATE, val); 3307 } 3308 3309 qlcnic_api_unlock(adapter); 3310 3311 rtnl_lock(); 3312 if (qlcnic_check_fw_dump_state(adapter) && 3313 (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3314 QLCDB(adapter, DRV, "Take FW dump\n"); 3315 qlcnic_dump_fw(adapter); 3316 adapter->flags |= QLCNIC_FW_HANG; 3317 } 3318 rtnl_unlock(); 3319 3320 adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3321 if (!adapter->nic_ops->start_firmware(adapter)) { 3322 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3323 adapter->fw_wait_cnt = 0; 3324 return; 3325 } 3326 goto err_ret; 3327 } 3328 3329 qlcnic_api_unlock(adapter); 3330 3331 wait_npar: 3332 dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3333 QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3334 3335 switch (dev_state) { 3336 case QLCNIC_DEV_READY: 3337 if (!qlcnic_start_firmware(adapter)) { 3338 qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3339 adapter->fw_wait_cnt = 0; 3340 return; 3341 } 3342 case QLCNIC_DEV_FAILED: 3343 break; 3344 default: 3345 qlcnic_schedule_work(adapter, 3346 qlcnic_fwinit_work, FW_POLL_DELAY); 3347 return; 3348 } 3349 3350 err_ret: 3351 dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3352 "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3353 netif_device_attach(adapter->netdev); 3354 qlcnic_clr_all_drv_state(adapter, 0); 3355 } 3356 3357 static void 3358 qlcnic_detach_work(struct work_struct *work) 3359 { 3360 struct qlcnic_adapter *adapter = container_of(work, 3361 struct qlcnic_adapter, fw_work.work); 3362 struct net_device *netdev = adapter->netdev; 3363 u32 status; 3364 3365 netif_device_detach(netdev); 3366 3367 /* Dont grab rtnl lock during Quiscent mode */ 3368 if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3369 if (netif_running(netdev)) 3370 __qlcnic_down(adapter, netdev); 3371 } else 3372 qlcnic_down(adapter, netdev); 3373 3374 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3375 3376 if (status & QLCNIC_RCODE_FATAL_ERROR) { 3377 dev_err(&adapter->pdev->dev, 3378 "Detaching the device: peg halt status1=0x%x\n", 3379 status); 3380 3381 if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 3382 dev_err(&adapter->pdev->dev, 3383 "On board active cooling fan failed. " 3384 "Device has been halted.\n"); 3385 dev_err(&adapter->pdev->dev, 3386 "Replace the adapter.\n"); 3387 } 3388 3389 goto err_ret; 3390 } 3391 3392 if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 3393 dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 3394 adapter->ahw->temp); 3395 goto err_ret; 3396 } 3397 3398 /* Dont ack if this instance is the reset owner */ 3399 if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3400 if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 3401 dev_err(&adapter->pdev->dev, 3402 "Failed to set driver state," 3403 "detaching the device.\n"); 3404 goto err_ret; 3405 } 3406 } 3407 3408 adapter->fw_wait_cnt = 0; 3409 3410 qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3411 3412 return; 3413 3414 err_ret: 3415 netif_device_attach(netdev); 3416 qlcnic_clr_all_drv_state(adapter, 1); 3417 } 3418 3419 /*Transit NPAR state to NON Operational */ 3420 static void 3421 qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3422 { 3423 u32 state; 3424 3425 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3426 if (state == QLCNIC_DEV_NPAR_NON_OPER) 3427 return; 3428 3429 if (qlcnic_api_lock(adapter)) 3430 return; 3431 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3432 QLCNIC_DEV_NPAR_NON_OPER); 3433 qlcnic_api_unlock(adapter); 3434 } 3435 3436 static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 3437 u32 key) 3438 { 3439 u32 state, xg_val = 0, gb_val = 0; 3440 3441 qlcnic_xg_set_xg0_mask(xg_val); 3442 qlcnic_xg_set_xg1_mask(xg_val); 3443 QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3444 qlcnic_gb_set_gb0_mask(gb_val); 3445 qlcnic_gb_set_gb1_mask(gb_val); 3446 qlcnic_gb_set_gb2_mask(gb_val); 3447 qlcnic_gb_set_gb3_mask(gb_val); 3448 QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3449 dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3450 " on all ports\n"); 3451 adapter->need_fw_reset = 1; 3452 3453 if (qlcnic_api_lock(adapter)) 3454 return; 3455 3456 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3457 3458 if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 3459 netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 3460 __func__); 3461 qlcnic_api_unlock(adapter); 3462 3463 return; 3464 } 3465 3466 if (state == QLCNIC_DEV_READY) { 3467 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3468 QLCNIC_DEV_NEED_RESET); 3469 adapter->flags |= QLCNIC_FW_RESET_OWNER; 3470 QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3471 qlcnic_idc_debug_info(adapter, 0); 3472 } 3473 3474 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3475 QLCNIC_DEV_NPAR_NON_OPER); 3476 qlcnic_api_unlock(adapter); 3477 } 3478 3479 /* Transit to NPAR READY state from NPAR NOT READY state */ 3480 static void 3481 qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3482 { 3483 if (qlcnic_api_lock(adapter)) 3484 return; 3485 3486 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3487 QLCNIC_DEV_NPAR_OPER); 3488 QLCDB(adapter, DRV, "NPAR operational state set\n"); 3489 3490 qlcnic_api_unlock(adapter); 3491 } 3492 3493 void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3494 work_func_t func, int delay) 3495 { 3496 if (test_bit(__QLCNIC_AER, &adapter->state)) 3497 return; 3498 3499 INIT_DELAYED_WORK(&adapter->fw_work, func); 3500 queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3501 round_jiffies_relative(delay)); 3502 } 3503 3504 static void 3505 qlcnic_attach_work(struct work_struct *work) 3506 { 3507 struct qlcnic_adapter *adapter = container_of(work, 3508 struct qlcnic_adapter, fw_work.work); 3509 struct net_device *netdev = adapter->netdev; 3510 u32 npar_state; 3511 3512 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3513 npar_state = QLC_SHARED_REG_RD32(adapter, 3514 QLCNIC_CRB_DEV_NPAR_STATE); 3515 if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3516 qlcnic_clr_all_drv_state(adapter, 0); 3517 else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3518 qlcnic_schedule_work(adapter, qlcnic_attach_work, 3519 FW_POLL_DELAY); 3520 else 3521 goto attach; 3522 QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3523 return; 3524 } 3525 attach: 3526 qlcnic_dcb_get_info(adapter->dcb); 3527 3528 if (netif_running(netdev)) { 3529 if (qlcnic_up(adapter, netdev)) 3530 goto done; 3531 3532 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3533 } 3534 3535 done: 3536 netif_device_attach(netdev); 3537 adapter->fw_fail_cnt = 0; 3538 adapter->flags &= ~QLCNIC_FW_HANG; 3539 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3540 if (adapter->portnum == 0) 3541 qlcnic_set_drv_version(adapter); 3542 3543 if (!qlcnic_clr_drv_state(adapter)) 3544 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3545 FW_POLL_DELAY); 3546 } 3547 3548 static int 3549 qlcnic_check_health(struct qlcnic_adapter *adapter) 3550 { 3551 struct qlcnic_hardware_context *ahw = adapter->ahw; 3552 struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3553 u32 state = 0, heartbeat; 3554 u32 peg_status; 3555 int err = 0; 3556 3557 if (qlcnic_check_temp(adapter)) 3558 goto detach; 3559 3560 if (adapter->need_fw_reset) 3561 qlcnic_dev_request_reset(adapter, 0); 3562 3563 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3564 if (state == QLCNIC_DEV_NEED_RESET) { 3565 qlcnic_set_npar_non_operational(adapter); 3566 adapter->need_fw_reset = 1; 3567 } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3568 goto detach; 3569 3570 heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3571 if (heartbeat != adapter->heartbeat) { 3572 adapter->heartbeat = heartbeat; 3573 adapter->fw_fail_cnt = 0; 3574 if (adapter->need_fw_reset) 3575 goto detach; 3576 3577 if (ahw->reset_context && qlcnic_auto_fw_reset) 3578 qlcnic_reset_hw_context(adapter); 3579 3580 return 0; 3581 } 3582 3583 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3584 return 0; 3585 3586 adapter->flags |= QLCNIC_FW_HANG; 3587 3588 qlcnic_dev_request_reset(adapter, 0); 3589 3590 if (qlcnic_auto_fw_reset) 3591 clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3592 3593 dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3594 peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3595 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3596 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3597 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3598 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3599 "PEG_NET_4_PC: 0x%x\n", 3600 peg_status, 3601 QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 3602 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 3603 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 3604 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 3605 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 3606 QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 3607 if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3608 dev_err(&adapter->pdev->dev, 3609 "Firmware aborted with error code 0x00006700. " 3610 "Device is being reset.\n"); 3611 detach: 3612 adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3613 QLCNIC_DEV_NEED_RESET; 3614 3615 if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3616 &adapter->state)) { 3617 3618 qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3619 QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3620 } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3621 adapter->flags & QLCNIC_FW_RESET_OWNER) { 3622 qlcnic_dump_fw(adapter); 3623 } 3624 3625 return 1; 3626 } 3627 3628 void qlcnic_fw_poll_work(struct work_struct *work) 3629 { 3630 struct qlcnic_adapter *adapter = container_of(work, 3631 struct qlcnic_adapter, fw_work.work); 3632 3633 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3634 goto reschedule; 3635 3636 3637 if (qlcnic_check_health(adapter)) 3638 return; 3639 3640 if (adapter->fhash.fnum) 3641 qlcnic_prune_lb_filters(adapter); 3642 3643 reschedule: 3644 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3645 } 3646 3647 static int qlcnic_is_first_func(struct pci_dev *pdev) 3648 { 3649 struct pci_dev *oth_pdev; 3650 int val = pdev->devfn; 3651 3652 while (val-- > 0) { 3653 oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3654 (pdev->bus), pdev->bus->number, 3655 PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3656 if (!oth_pdev) 3657 continue; 3658 3659 if (oth_pdev->current_state != PCI_D3cold) { 3660 pci_dev_put(oth_pdev); 3661 return 0; 3662 } 3663 pci_dev_put(oth_pdev); 3664 } 3665 return 1; 3666 } 3667 3668 static int qlcnic_attach_func(struct pci_dev *pdev) 3669 { 3670 int err, first_func; 3671 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3672 struct net_device *netdev = adapter->netdev; 3673 3674 pdev->error_state = pci_channel_io_normal; 3675 3676 err = pci_enable_device(pdev); 3677 if (err) 3678 return err; 3679 3680 pci_set_master(pdev); 3681 pci_restore_state(pdev); 3682 3683 first_func = qlcnic_is_first_func(pdev); 3684 3685 if (qlcnic_api_lock(adapter)) 3686 return -EINVAL; 3687 3688 if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3689 adapter->need_fw_reset = 1; 3690 set_bit(__QLCNIC_START_FW, &adapter->state); 3691 QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3692 QLCNIC_DEV_INITIALIZING); 3693 QLCDB(adapter, DRV, "Restarting fw\n"); 3694 } 3695 qlcnic_api_unlock(adapter); 3696 3697 err = qlcnic_start_firmware(adapter); 3698 if (err) 3699 return err; 3700 3701 qlcnic_clr_drv_state(adapter); 3702 kfree(adapter->msix_entries); 3703 adapter->msix_entries = NULL; 3704 err = qlcnic_setup_intr(adapter); 3705 3706 if (err) { 3707 kfree(adapter->msix_entries); 3708 netdev_err(netdev, "failed to setup interrupt\n"); 3709 return err; 3710 } 3711 3712 if (netif_running(netdev)) { 3713 err = qlcnic_attach(adapter); 3714 if (err) { 3715 qlcnic_clr_all_drv_state(adapter, 1); 3716 clear_bit(__QLCNIC_AER, &adapter->state); 3717 netif_device_attach(netdev); 3718 return err; 3719 } 3720 3721 err = qlcnic_up(adapter, netdev); 3722 if (err) 3723 goto done; 3724 3725 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3726 } 3727 done: 3728 netif_device_attach(netdev); 3729 return err; 3730 } 3731 3732 static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3733 pci_channel_state_t state) 3734 { 3735 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3736 struct net_device *netdev = adapter->netdev; 3737 3738 if (state == pci_channel_io_perm_failure) 3739 return PCI_ERS_RESULT_DISCONNECT; 3740 3741 if (state == pci_channel_io_normal) 3742 return PCI_ERS_RESULT_RECOVERED; 3743 3744 set_bit(__QLCNIC_AER, &adapter->state); 3745 netif_device_detach(netdev); 3746 3747 cancel_delayed_work_sync(&adapter->fw_work); 3748 3749 if (netif_running(netdev)) 3750 qlcnic_down(adapter, netdev); 3751 3752 qlcnic_detach(adapter); 3753 qlcnic_teardown_intr(adapter); 3754 3755 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3756 3757 pci_save_state(pdev); 3758 pci_disable_device(pdev); 3759 3760 return PCI_ERS_RESULT_NEED_RESET; 3761 } 3762 3763 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3764 { 3765 return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3766 PCI_ERS_RESULT_RECOVERED; 3767 } 3768 3769 static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3770 { 3771 u32 state; 3772 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3773 3774 pci_cleanup_aer_uncorrect_error_status(pdev); 3775 state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3776 if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3777 &adapter->state)) 3778 qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3779 FW_POLL_DELAY); 3780 } 3781 3782 static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 3783 pci_channel_state_t state) 3784 { 3785 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3786 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3787 3788 if (hw_ops->io_error_detected) { 3789 return hw_ops->io_error_detected(pdev, state); 3790 } else { 3791 dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 3792 return PCI_ERS_RESULT_DISCONNECT; 3793 } 3794 } 3795 3796 static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 3797 { 3798 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3799 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3800 3801 if (hw_ops->io_slot_reset) { 3802 return hw_ops->io_slot_reset(pdev); 3803 } else { 3804 dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 3805 return PCI_ERS_RESULT_DISCONNECT; 3806 } 3807 } 3808 3809 static void qlcnic_io_resume(struct pci_dev *pdev) 3810 { 3811 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3812 struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 3813 3814 if (hw_ops->io_resume) 3815 hw_ops->io_resume(pdev); 3816 else 3817 dev_err(&pdev->dev, "AER resume handler not registered.\n"); 3818 } 3819 3820 3821 static int 3822 qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3823 { 3824 int err; 3825 3826 err = qlcnic_can_start_firmware(adapter); 3827 if (err) 3828 return err; 3829 3830 err = qlcnic_check_npar_opertional(adapter); 3831 if (err) 3832 return err; 3833 3834 err = qlcnic_initialize_nic(adapter); 3835 if (err) 3836 return err; 3837 3838 qlcnic_check_options(adapter); 3839 3840 err = qlcnic_set_eswitch_port_config(adapter); 3841 if (err) 3842 return err; 3843 3844 adapter->need_fw_reset = 0; 3845 3846 return err; 3847 } 3848 3849 int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 3850 int queue_type) 3851 { 3852 struct net_device *netdev = adapter->netdev; 3853 u8 max_hw_rings = 0; 3854 char buf[8]; 3855 int cur_rings; 3856 3857 if (queue_type == QLCNIC_RX_QUEUE) { 3858 max_hw_rings = adapter->max_sds_rings; 3859 cur_rings = adapter->drv_sds_rings; 3860 strcpy(buf, "SDS"); 3861 } else if (queue_type == QLCNIC_TX_QUEUE) { 3862 max_hw_rings = adapter->max_tx_rings; 3863 cur_rings = adapter->drv_tx_rings; 3864 strcpy(buf, "Tx"); 3865 } 3866 3867 if (!QLCNIC_IS_MSI_FAMILY(adapter)) { 3868 netdev_err(netdev, "No RSS/TSS support in INT-x mode\n"); 3869 return -EINVAL; 3870 } 3871 3872 if (adapter->flags & QLCNIC_MSI_ENABLED) { 3873 netdev_err(netdev, "No RSS/TSS support in MSI mode\n"); 3874 return -EINVAL; 3875 } 3876 3877 if (!is_power_of_2(ring_cnt)) { 3878 netdev_err(netdev, "%s rings value should be a power of 2\n", 3879 buf); 3880 return -EINVAL; 3881 } 3882 3883 if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 3884 !qlcnic_check_multi_tx(adapter)) { 3885 netdev_err(netdev, "No Multi Tx queue support\n"); 3886 return -EINVAL; 3887 } 3888 3889 if (ring_cnt > num_online_cpus()) { 3890 netdev_err(netdev, 3891 "%s value[%u] should not be higher than, number of online CPUs\n", 3892 buf, num_online_cpus()); 3893 return -EINVAL; 3894 } 3895 3896 return 0; 3897 } 3898 3899 int qlcnic_setup_rings(struct qlcnic_adapter *adapter) 3900 { 3901 struct net_device *netdev = adapter->netdev; 3902 int err; 3903 3904 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3905 return -EBUSY; 3906 3907 netif_device_detach(netdev); 3908 if (netif_running(netdev)) 3909 __qlcnic_down(adapter, netdev); 3910 3911 qlcnic_detach(adapter); 3912 3913 if (qlcnic_83xx_check(adapter)) { 3914 qlcnic_83xx_free_mbx_intr(adapter); 3915 qlcnic_83xx_enable_mbx_poll(adapter); 3916 } 3917 3918 qlcnic_teardown_intr(adapter); 3919 3920 err = qlcnic_setup_intr(adapter); 3921 if (err) { 3922 kfree(adapter->msix_entries); 3923 netdev_err(netdev, "failed to setup interrupt\n"); 3924 return err; 3925 } 3926 3927 netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings); 3928 3929 if (qlcnic_83xx_check(adapter)) { 3930 qlcnic_83xx_initialize_nic(adapter, 1); 3931 err = qlcnic_83xx_setup_mbx_intr(adapter); 3932 qlcnic_83xx_disable_mbx_poll(adapter); 3933 if (err) { 3934 dev_err(&adapter->pdev->dev, 3935 "failed to setup mbx interrupt\n"); 3936 goto done; 3937 } 3938 } 3939 3940 if (netif_running(netdev)) { 3941 err = qlcnic_attach(adapter); 3942 if (err) 3943 goto done; 3944 err = __qlcnic_up(adapter, netdev); 3945 if (err) 3946 goto done; 3947 qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3948 } 3949 done: 3950 netif_device_attach(netdev); 3951 clear_bit(__QLCNIC_RESETTING, &adapter->state); 3952 return err; 3953 } 3954 3955 #ifdef CONFIG_INET 3956 3957 #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 3958 3959 static void 3960 qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 3961 struct net_device *dev, unsigned long event) 3962 { 3963 struct in_device *indev; 3964 3965 indev = in_dev_get(dev); 3966 if (!indev) 3967 return; 3968 3969 for_ifa(indev) { 3970 switch (event) { 3971 case NETDEV_UP: 3972 qlcnic_config_ipaddr(adapter, 3973 ifa->ifa_address, QLCNIC_IP_UP); 3974 break; 3975 case NETDEV_DOWN: 3976 qlcnic_config_ipaddr(adapter, 3977 ifa->ifa_address, QLCNIC_IP_DOWN); 3978 break; 3979 default: 3980 break; 3981 } 3982 } endfor_ifa(indev); 3983 3984 in_dev_put(indev); 3985 } 3986 3987 void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 3988 { 3989 struct qlcnic_adapter *adapter = netdev_priv(netdev); 3990 struct net_device *dev; 3991 u16 vid; 3992 3993 qlcnic_config_indev_addr(adapter, netdev, event); 3994 3995 rcu_read_lock(); 3996 for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 3997 dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid); 3998 if (!dev) 3999 continue; 4000 qlcnic_config_indev_addr(adapter, dev, event); 4001 } 4002 rcu_read_unlock(); 4003 } 4004 4005 static int qlcnic_netdev_event(struct notifier_block *this, 4006 unsigned long event, void *ptr) 4007 { 4008 struct qlcnic_adapter *adapter; 4009 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 4010 4011 recheck: 4012 if (dev == NULL) 4013 goto done; 4014 4015 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4016 dev = vlan_dev_real_dev(dev); 4017 goto recheck; 4018 } 4019 4020 if (!is_qlcnic_netdev(dev)) 4021 goto done; 4022 4023 adapter = netdev_priv(dev); 4024 4025 if (!adapter) 4026 goto done; 4027 4028 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4029 goto done; 4030 4031 qlcnic_config_indev_addr(adapter, dev, event); 4032 done: 4033 return NOTIFY_DONE; 4034 } 4035 4036 static int 4037 qlcnic_inetaddr_event(struct notifier_block *this, 4038 unsigned long event, void *ptr) 4039 { 4040 struct qlcnic_adapter *adapter; 4041 struct net_device *dev; 4042 4043 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 4044 4045 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 4046 4047 recheck: 4048 if (dev == NULL) 4049 goto done; 4050 4051 if (dev->priv_flags & IFF_802_1Q_VLAN) { 4052 dev = vlan_dev_real_dev(dev); 4053 goto recheck; 4054 } 4055 4056 if (!is_qlcnic_netdev(dev)) 4057 goto done; 4058 4059 adapter = netdev_priv(dev); 4060 4061 if (!adapter) 4062 goto done; 4063 4064 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 4065 goto done; 4066 4067 switch (event) { 4068 case NETDEV_UP: 4069 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 4070 4071 break; 4072 case NETDEV_DOWN: 4073 qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 4074 4075 break; 4076 default: 4077 break; 4078 } 4079 4080 done: 4081 return NOTIFY_DONE; 4082 } 4083 4084 static struct notifier_block qlcnic_netdev_cb = { 4085 .notifier_call = qlcnic_netdev_event, 4086 }; 4087 4088 static struct notifier_block qlcnic_inetaddr_cb = { 4089 .notifier_call = qlcnic_inetaddr_event, 4090 }; 4091 #else 4092 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4093 { } 4094 #endif 4095 static const struct pci_error_handlers qlcnic_err_handler = { 4096 .error_detected = qlcnic_io_error_detected, 4097 .slot_reset = qlcnic_io_slot_reset, 4098 .resume = qlcnic_io_resume, 4099 }; 4100 4101 static struct pci_driver qlcnic_driver = { 4102 .name = qlcnic_driver_name, 4103 .id_table = qlcnic_pci_tbl, 4104 .probe = qlcnic_probe, 4105 .remove = qlcnic_remove, 4106 #ifdef CONFIG_PM 4107 .suspend = qlcnic_suspend, 4108 .resume = qlcnic_resume, 4109 #endif 4110 .shutdown = qlcnic_shutdown, 4111 .err_handler = &qlcnic_err_handler, 4112 #ifdef CONFIG_QLCNIC_SRIOV 4113 .sriov_configure = qlcnic_pci_sriov_configure, 4114 #endif 4115 4116 }; 4117 4118 static int __init qlcnic_init_module(void) 4119 { 4120 int ret; 4121 4122 printk(KERN_INFO "%s\n", qlcnic_driver_string); 4123 4124 #ifdef CONFIG_INET 4125 register_netdevice_notifier(&qlcnic_netdev_cb); 4126 register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4127 #endif 4128 4129 ret = pci_register_driver(&qlcnic_driver); 4130 if (ret) { 4131 #ifdef CONFIG_INET 4132 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4133 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4134 #endif 4135 } 4136 4137 return ret; 4138 } 4139 4140 module_init(qlcnic_init_module); 4141 4142 static void __exit qlcnic_exit_module(void) 4143 { 4144 pci_unregister_driver(&qlcnic_driver); 4145 4146 #ifdef CONFIG_INET 4147 unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4148 unregister_netdevice_notifier(&qlcnic_netdev_cb); 4149 #endif 4150 } 4151 4152 module_exit(qlcnic_exit_module); 4153