qlcnic_main.c 111 KB

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  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. #include <linux/vmalloc.h>
  8. #include <linux/interrupt.h>
  9. #include <linux/swab.h>
  10. #include <linux/dma-mapping.h>
  11. #include <linux/if_vlan.h>
  12. #include <net/ip.h>
  13. #include <linux/ipv6.h>
  14. #include <linux/inetdevice.h>
  15. #include <linux/aer.h>
  16. #include <linux/log2.h>
  17. #include <linux/pci.h>
  18. #include <net/vxlan.h>
  19. #include "qlcnic.h"
  20. #include "qlcnic_sriov.h"
  21. #include "qlcnic_hw.h"
  22. MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
  23. MODULE_LICENSE("GPL");
  24. MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
  25. MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
  26. char qlcnic_driver_name[] = "qlcnic";
  27. static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
  28. "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
  29. static int qlcnic_mac_learn;
  30. module_param(qlcnic_mac_learn, int, 0444);
  31. MODULE_PARM_DESC(qlcnic_mac_learn,
  32. "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
  33. int qlcnic_use_msi = 1;
  34. MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
  35. module_param_named(use_msi, qlcnic_use_msi, int, 0444);
  36. int qlcnic_use_msi_x = 1;
  37. MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
  38. module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
  39. int qlcnic_auto_fw_reset = 1;
  40. MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
  41. module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
  42. int qlcnic_load_fw_file;
  43. MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)");
  44. module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
  45. static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  46. static void qlcnic_remove(struct pci_dev *pdev);
  47. static int qlcnic_open(struct net_device *netdev);
  48. static int qlcnic_close(struct net_device *netdev);
  49. static void qlcnic_tx_timeout(struct net_device *netdev);
  50. static void qlcnic_attach_work(struct work_struct *work);
  51. static void qlcnic_fwinit_work(struct work_struct *work);
  52. #ifdef CONFIG_NET_POLL_CONTROLLER
  53. static void qlcnic_poll_controller(struct net_device *netdev);
  54. #endif
  55. static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
  56. static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
  57. static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
  58. static irqreturn_t qlcnic_intr(int irq, void *data);
  59. static irqreturn_t qlcnic_msi_intr(int irq, void *data);
  60. static irqreturn_t qlcnic_msix_intr(int irq, void *data);
  61. static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
  62. static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
  63. static int qlcnic_start_firmware(struct qlcnic_adapter *);
  64. static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
  65. static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
  66. static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
  67. static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
  68. static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
  69. static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
  70. static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
  71. static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
  72. static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
  73. static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
  74. static void qlcnic_82xx_io_resume(struct pci_dev *);
  75. static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
  76. static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
  77. pci_channel_state_t);
  78. static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
  79. {
  80. struct qlcnic_hardware_context *ahw = adapter->ahw;
  81. if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
  82. return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
  83. else
  84. return 1;
  85. }
  86. /* PCI Device ID Table */
  87. #define ENTRY(device) \
  88. {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
  89. .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
  90. static const struct pci_device_id qlcnic_pci_tbl[] = {
  91. ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
  92. ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
  93. ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
  94. ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830),
  95. ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30),
  96. ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
  97. ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
  98. {0,}
  99. };
  100. MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
  101. inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
  102. {
  103. writel(tx_ring->producer, tx_ring->crb_cmd_producer);
  104. }
  105. static const u32 msi_tgt_status[8] = {
  106. ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
  107. ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
  108. ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
  109. ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
  110. };
  111. static const u32 qlcnic_reg_tbl[] = {
  112. 0x1B20A8, /* PEG_HALT_STAT1 */
  113. 0x1B20AC, /* PEG_HALT_STAT2 */
  114. 0x1B20B0, /* FW_HEARTBEAT */
  115. 0x1B2100, /* LOCK ID */
  116. 0x1B2128, /* FW_CAPABILITIES */
  117. 0x1B2138, /* drv active */
  118. 0x1B2140, /* dev state */
  119. 0x1B2144, /* drv state */
  120. 0x1B2148, /* drv scratch */
  121. 0x1B214C, /* dev partition info */
  122. 0x1B2174, /* drv idc ver */
  123. 0x1B2150, /* fw version major */
  124. 0x1B2154, /* fw version minor */
  125. 0x1B2158, /* fw version sub */
  126. 0x1B219C, /* npar state */
  127. 0x1B21FC, /* FW_IMG_VALID */
  128. 0x1B2250, /* CMD_PEG_STATE */
  129. 0x1B233C, /* RCV_PEG_STATE */
  130. 0x1B23B4, /* ASIC TEMP */
  131. 0x1B216C, /* FW api */
  132. 0x1B2170, /* drv op mode */
  133. 0x13C010, /* flash lock */
  134. 0x13C014, /* flash unlock */
  135. };
  136. static const struct qlcnic_board_info qlcnic_boards[] = {
  137. { PCI_VENDOR_ID_QLOGIC,
  138. PCI_DEVICE_ID_QLOGIC_QLE844X,
  139. 0x0,
  140. 0x0,
  141. "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
  142. { PCI_VENDOR_ID_QLOGIC,
  143. PCI_DEVICE_ID_QLOGIC_QLE834X,
  144. PCI_VENDOR_ID_QLOGIC,
  145. 0x24e,
  146. "8300 Series Dual Port 10GbE Converged Network Adapter "
  147. "(TCP/IP Networking)" },
  148. { PCI_VENDOR_ID_QLOGIC,
  149. PCI_DEVICE_ID_QLOGIC_QLE834X,
  150. PCI_VENDOR_ID_QLOGIC,
  151. 0x243,
  152. "8300 Series Single Port 10GbE Converged Network Adapter "
  153. "(TCP/IP Networking)" },
  154. { PCI_VENDOR_ID_QLOGIC,
  155. PCI_DEVICE_ID_QLOGIC_QLE834X,
  156. PCI_VENDOR_ID_QLOGIC,
  157. 0x24a,
  158. "8300 Series Dual Port 10GbE Converged Network Adapter "
  159. "(TCP/IP Networking)" },
  160. { PCI_VENDOR_ID_QLOGIC,
  161. PCI_DEVICE_ID_QLOGIC_QLE834X,
  162. PCI_VENDOR_ID_QLOGIC,
  163. 0x246,
  164. "8300 Series Dual Port 10GbE Converged Network Adapter "
  165. "(TCP/IP Networking)" },
  166. { PCI_VENDOR_ID_QLOGIC,
  167. PCI_DEVICE_ID_QLOGIC_QLE834X,
  168. PCI_VENDOR_ID_QLOGIC,
  169. 0x252,
  170. "8300 Series Dual Port 10GbE Converged Network Adapter "
  171. "(TCP/IP Networking)" },
  172. { PCI_VENDOR_ID_QLOGIC,
  173. PCI_DEVICE_ID_QLOGIC_QLE834X,
  174. PCI_VENDOR_ID_QLOGIC,
  175. 0x26e,
  176. "8300 Series Dual Port 10GbE Converged Network Adapter "
  177. "(TCP/IP Networking)" },
  178. { PCI_VENDOR_ID_QLOGIC,
  179. PCI_DEVICE_ID_QLOGIC_QLE834X,
  180. PCI_VENDOR_ID_QLOGIC,
  181. 0x260,
  182. "8300 Series Dual Port 10GbE Converged Network Adapter "
  183. "(TCP/IP Networking)" },
  184. { PCI_VENDOR_ID_QLOGIC,
  185. PCI_DEVICE_ID_QLOGIC_QLE834X,
  186. PCI_VENDOR_ID_QLOGIC,
  187. 0x266,
  188. "8300 Series Single Port 10GbE Converged Network Adapter "
  189. "(TCP/IP Networking)" },
  190. { PCI_VENDOR_ID_QLOGIC,
  191. PCI_DEVICE_ID_QLOGIC_QLE834X,
  192. PCI_VENDOR_ID_QLOGIC,
  193. 0x269,
  194. "8300 Series Dual Port 10GbE Converged Network Adapter "
  195. "(TCP/IP Networking)" },
  196. { PCI_VENDOR_ID_QLOGIC,
  197. PCI_DEVICE_ID_QLOGIC_QLE834X,
  198. PCI_VENDOR_ID_QLOGIC,
  199. 0x271,
  200. "8300 Series Dual Port 10GbE Converged Network Adapter "
  201. "(TCP/IP Networking)" },
  202. { PCI_VENDOR_ID_QLOGIC,
  203. PCI_DEVICE_ID_QLOGIC_QLE834X,
  204. 0x0, 0x0, "8300 Series 1/10GbE Controller" },
  205. { PCI_VENDOR_ID_QLOGIC,
  206. PCI_DEVICE_ID_QLOGIC_QLE8830,
  207. 0x0,
  208. 0x0,
  209. "8830 Series 1/10GbE Controller" },
  210. { PCI_VENDOR_ID_QLOGIC,
  211. PCI_DEVICE_ID_QLOGIC_QLE824X,
  212. PCI_VENDOR_ID_QLOGIC,
  213. 0x203,
  214. "8200 Series Single Port 10GbE Converged Network Adapter"
  215. "(TCP/IP Networking)" },
  216. { PCI_VENDOR_ID_QLOGIC,
  217. PCI_DEVICE_ID_QLOGIC_QLE824X,
  218. PCI_VENDOR_ID_QLOGIC,
  219. 0x207,
  220. "8200 Series Dual Port 10GbE Converged Network Adapter"
  221. "(TCP/IP Networking)" },
  222. { PCI_VENDOR_ID_QLOGIC,
  223. PCI_DEVICE_ID_QLOGIC_QLE824X,
  224. PCI_VENDOR_ID_QLOGIC,
  225. 0x20b,
  226. "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
  227. { PCI_VENDOR_ID_QLOGIC,
  228. PCI_DEVICE_ID_QLOGIC_QLE824X,
  229. PCI_VENDOR_ID_QLOGIC,
  230. 0x20c,
  231. "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
  232. { PCI_VENDOR_ID_QLOGIC,
  233. PCI_DEVICE_ID_QLOGIC_QLE824X,
  234. PCI_VENDOR_ID_QLOGIC,
  235. 0x20f,
  236. "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
  237. { PCI_VENDOR_ID_QLOGIC,
  238. PCI_DEVICE_ID_QLOGIC_QLE824X,
  239. 0x103c, 0x3733,
  240. "NC523SFP 10Gb 2-port Server Adapter" },
  241. { PCI_VENDOR_ID_QLOGIC,
  242. PCI_DEVICE_ID_QLOGIC_QLE824X,
  243. 0x103c, 0x3346,
  244. "CN1000Q Dual Port Converged Network Adapter" },
  245. { PCI_VENDOR_ID_QLOGIC,
  246. PCI_DEVICE_ID_QLOGIC_QLE824X,
  247. PCI_VENDOR_ID_QLOGIC,
  248. 0x210,
  249. "QME8242-k 10GbE Dual Port Mezzanine Card" },
  250. { PCI_VENDOR_ID_QLOGIC,
  251. PCI_DEVICE_ID_QLOGIC_QLE824X,
  252. 0x0, 0x0, "cLOM8214 1/10GbE Controller" },
  253. };
  254. #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
  255. static const
  256. struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
  257. int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
  258. {
  259. int size = sizeof(struct qlcnic_host_sds_ring) * count;
  260. recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
  261. return recv_ctx->sds_rings == NULL;
  262. }
  263. void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
  264. {
  265. kfree(recv_ctx->sds_rings);
  266. recv_ctx->sds_rings = NULL;
  267. }
  268. int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
  269. {
  270. struct net_device *netdev = adapter->netdev;
  271. struct pci_dev *pdev = adapter->pdev;
  272. u8 mac_addr[ETH_ALEN];
  273. int ret;
  274. ret = qlcnic_get_mac_address(adapter, mac_addr,
  275. adapter->ahw->pci_func);
  276. if (ret)
  277. return ret;
  278. memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
  279. memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
  280. /* set station address */
  281. if (!is_valid_ether_addr(netdev->dev_addr))
  282. dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
  283. netdev->dev_addr);
  284. return 0;
  285. }
  286. static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
  287. {
  288. struct qlcnic_mac_vlan_list *cur;
  289. struct list_head *head;
  290. list_for_each(head, &adapter->mac_list) {
  291. cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
  292. if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
  293. qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
  294. 0, QLCNIC_MAC_DEL);
  295. list_del(&cur->list);
  296. kfree(cur);
  297. return;
  298. }
  299. }
  300. }
  301. static int qlcnic_set_mac(struct net_device *netdev, void *p)
  302. {
  303. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  304. struct sockaddr *addr = p;
  305. if (qlcnic_sriov_vf_check(adapter))
  306. return -EINVAL;
  307. if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
  308. return -EOPNOTSUPP;
  309. if (!is_valid_ether_addr(addr->sa_data))
  310. return -EINVAL;
  311. if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) &&
  312. ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data))
  313. return 0;
  314. if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
  315. netif_device_detach(netdev);
  316. qlcnic_napi_disable(adapter);
  317. }
  318. qlcnic_delete_adapter_mac(adapter);
  319. memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
  320. memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
  321. qlcnic_set_multi(adapter->netdev);
  322. if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
  323. netif_device_attach(netdev);
  324. qlcnic_napi_enable(adapter);
  325. }
  326. return 0;
  327. }
  328. static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
  329. struct net_device *netdev,
  330. const unsigned char *addr, u16 vid)
  331. {
  332. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  333. int err = -EOPNOTSUPP;
  334. if (!adapter->fdb_mac_learn)
  335. return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid);
  336. if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
  337. qlcnic_sriov_check(adapter)) {
  338. if (is_unicast_ether_addr(addr)) {
  339. err = dev_uc_del(netdev, addr);
  340. if (!err)
  341. err = qlcnic_nic_del_mac(adapter, addr);
  342. } else if (is_multicast_ether_addr(addr)) {
  343. err = dev_mc_del(netdev, addr);
  344. } else {
  345. err = -EINVAL;
  346. }
  347. }
  348. return err;
  349. }
  350. static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
  351. struct net_device *netdev,
  352. const unsigned char *addr, u16 vid, u16 flags)
  353. {
  354. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  355. int err = 0;
  356. if (!adapter->fdb_mac_learn)
  357. return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags);
  358. if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
  359. !qlcnic_sriov_check(adapter)) {
  360. pr_info("%s: FDB e-switch is not enabled\n", __func__);
  361. return -EOPNOTSUPP;
  362. }
  363. if (ether_addr_equal(addr, adapter->mac_addr))
  364. return err;
  365. if (is_unicast_ether_addr(addr)) {
  366. if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
  367. err = dev_uc_add_excl(netdev, addr);
  368. else
  369. err = -ENOMEM;
  370. } else if (is_multicast_ether_addr(addr)) {
  371. err = dev_mc_add_excl(netdev, addr);
  372. } else {
  373. err = -EINVAL;
  374. }
  375. return err;
  376. }
  377. static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
  378. struct net_device *netdev,
  379. struct net_device *filter_dev, int *idx)
  380. {
  381. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  382. int err = 0;
  383. if (!adapter->fdb_mac_learn)
  384. return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
  385. if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
  386. qlcnic_sriov_check(adapter))
  387. err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
  388. return err;
  389. }
  390. static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
  391. {
  392. while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
  393. usleep_range(10000, 11000);
  394. if (!adapter->fw_work.work.func)
  395. return;
  396. cancel_delayed_work_sync(&adapter->fw_work);
  397. }
  398. static int qlcnic_get_phys_port_id(struct net_device *netdev,
  399. struct netdev_phys_item_id *ppid)
  400. {
  401. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  402. struct qlcnic_hardware_context *ahw = adapter->ahw;
  403. if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
  404. return -EOPNOTSUPP;
  405. ppid->id_len = sizeof(ahw->phys_port_id);
  406. memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
  407. return 0;
  408. }
  409. static void qlcnic_add_vxlan_port(struct net_device *netdev,
  410. struct udp_tunnel_info *ti)
  411. {
  412. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  413. struct qlcnic_hardware_context *ahw = adapter->ahw;
  414. if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
  415. return;
  416. /* Adapter supports only one VXLAN port. Use very first port
  417. * for enabling offload
  418. */
  419. if (!qlcnic_encap_rx_offload(adapter))
  420. return;
  421. if (!ahw->vxlan_port_count) {
  422. ahw->vxlan_port_count = 1;
  423. ahw->vxlan_port = ntohs(ti->port);
  424. adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
  425. return;
  426. }
  427. if (ahw->vxlan_port == ntohs(ti->port))
  428. ahw->vxlan_port_count++;
  429. }
  430. static void qlcnic_del_vxlan_port(struct net_device *netdev,
  431. struct udp_tunnel_info *ti)
  432. {
  433. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  434. struct qlcnic_hardware_context *ahw = adapter->ahw;
  435. if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
  436. return;
  437. if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count ||
  438. (ahw->vxlan_port != ntohs(ti->port)))
  439. return;
  440. ahw->vxlan_port_count--;
  441. if (!ahw->vxlan_port_count)
  442. adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
  443. }
  444. static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
  445. struct net_device *dev,
  446. netdev_features_t features)
  447. {
  448. features = vlan_features_check(skb, features);
  449. return vxlan_features_check(skb, features);
  450. }
  451. static const struct net_device_ops qlcnic_netdev_ops = {
  452. .ndo_open = qlcnic_open,
  453. .ndo_stop = qlcnic_close,
  454. .ndo_start_xmit = qlcnic_xmit_frame,
  455. .ndo_get_stats = qlcnic_get_stats,
  456. .ndo_validate_addr = eth_validate_addr,
  457. .ndo_set_rx_mode = qlcnic_set_multi,
  458. .ndo_set_mac_address = qlcnic_set_mac,
  459. .ndo_change_mtu = qlcnic_change_mtu,
  460. .ndo_fix_features = qlcnic_fix_features,
  461. .ndo_set_features = qlcnic_set_features,
  462. .ndo_tx_timeout = qlcnic_tx_timeout,
  463. .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
  464. .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
  465. .ndo_fdb_add = qlcnic_fdb_add,
  466. .ndo_fdb_del = qlcnic_fdb_del,
  467. .ndo_fdb_dump = qlcnic_fdb_dump,
  468. .ndo_get_phys_port_id = qlcnic_get_phys_port_id,
  469. .ndo_udp_tunnel_add = qlcnic_add_vxlan_port,
  470. .ndo_udp_tunnel_del = qlcnic_del_vxlan_port,
  471. .ndo_features_check = qlcnic_features_check,
  472. #ifdef CONFIG_NET_POLL_CONTROLLER
  473. .ndo_poll_controller = qlcnic_poll_controller,
  474. #endif
  475. #ifdef CONFIG_QLCNIC_SRIOV
  476. .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
  477. .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate,
  478. .ndo_get_vf_config = qlcnic_sriov_get_vf_config,
  479. .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
  480. .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
  481. #endif
  482. };
  483. static const struct net_device_ops qlcnic_netdev_failed_ops = {
  484. .ndo_open = qlcnic_open,
  485. };
  486. static struct qlcnic_nic_template qlcnic_ops = {
  487. .config_bridged_mode = qlcnic_config_bridged_mode,
  488. .config_led = qlcnic_82xx_config_led,
  489. .start_firmware = qlcnic_82xx_start_firmware,
  490. .request_reset = qlcnic_82xx_dev_request_reset,
  491. .cancel_idc_work = qlcnic_82xx_cancel_idc_work,
  492. .napi_add = qlcnic_82xx_napi_add,
  493. .napi_del = qlcnic_82xx_napi_del,
  494. .config_ipaddr = qlcnic_82xx_config_ipaddr,
  495. .shutdown = qlcnic_82xx_shutdown,
  496. .resume = qlcnic_82xx_resume,
  497. .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
  498. };
  499. struct qlcnic_nic_template qlcnic_vf_ops = {
  500. .config_bridged_mode = qlcnicvf_config_bridged_mode,
  501. .config_led = qlcnicvf_config_led,
  502. .start_firmware = qlcnicvf_start_firmware
  503. };
  504. static struct qlcnic_hardware_ops qlcnic_hw_ops = {
  505. .read_crb = qlcnic_82xx_read_crb,
  506. .write_crb = qlcnic_82xx_write_crb,
  507. .read_reg = qlcnic_82xx_hw_read_wx_2M,
  508. .write_reg = qlcnic_82xx_hw_write_wx_2M,
  509. .get_mac_address = qlcnic_82xx_get_mac_address,
  510. .setup_intr = qlcnic_82xx_setup_intr,
  511. .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
  512. .mbx_cmd = qlcnic_82xx_issue_cmd,
  513. .get_func_no = qlcnic_82xx_get_func_no,
  514. .api_lock = qlcnic_82xx_api_lock,
  515. .api_unlock = qlcnic_82xx_api_unlock,
  516. .add_sysfs = qlcnic_82xx_add_sysfs,
  517. .remove_sysfs = qlcnic_82xx_remove_sysfs,
  518. .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
  519. .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
  520. .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
  521. .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
  522. .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
  523. .setup_link_event = qlcnic_82xx_linkevent_request,
  524. .get_nic_info = qlcnic_82xx_get_nic_info,
  525. .get_pci_info = qlcnic_82xx_get_pci_info,
  526. .set_nic_info = qlcnic_82xx_set_nic_info,
  527. .change_macvlan = qlcnic_82xx_sre_macaddr_change,
  528. .napi_enable = qlcnic_82xx_napi_enable,
  529. .napi_disable = qlcnic_82xx_napi_disable,
  530. .config_intr_coal = qlcnic_82xx_config_intr_coalesce,
  531. .config_rss = qlcnic_82xx_config_rss,
  532. .config_hw_lro = qlcnic_82xx_config_hw_lro,
  533. .config_loopback = qlcnic_82xx_set_lb_mode,
  534. .clear_loopback = qlcnic_82xx_clear_lb_mode,
  535. .config_promisc_mode = qlcnic_82xx_nic_set_promisc,
  536. .change_l2_filter = qlcnic_82xx_change_filter,
  537. .get_board_info = qlcnic_82xx_get_board_info,
  538. .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
  539. .free_mac_list = qlcnic_82xx_free_mac_list,
  540. .read_phys_port_id = qlcnic_82xx_read_phys_port_id,
  541. .io_error_detected = qlcnic_82xx_io_error_detected,
  542. .io_slot_reset = qlcnic_82xx_io_slot_reset,
  543. .io_resume = qlcnic_82xx_io_resume,
  544. .get_beacon_state = qlcnic_82xx_get_beacon_state,
  545. .enable_sds_intr = qlcnic_82xx_enable_sds_intr,
  546. .disable_sds_intr = qlcnic_82xx_disable_sds_intr,
  547. .enable_tx_intr = qlcnic_82xx_enable_tx_intr,
  548. .disable_tx_intr = qlcnic_82xx_disable_tx_intr,
  549. .get_saved_state = qlcnic_82xx_get_saved_state,
  550. .set_saved_state = qlcnic_82xx_set_saved_state,
  551. .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
  552. .get_cap_size = qlcnic_82xx_get_cap_size,
  553. .set_sys_info = qlcnic_82xx_set_sys_info,
  554. .store_cap_mask = qlcnic_82xx_store_cap_mask,
  555. .encap_rx_offload = qlcnic_82xx_encap_rx_offload,
  556. .encap_tx_offload = qlcnic_82xx_encap_tx_offload,
  557. };
  558. static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
  559. {
  560. struct qlcnic_hardware_context *ahw = adapter->ahw;
  561. if (qlcnic_82xx_check(adapter) &&
  562. (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
  563. test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
  564. return 0;
  565. } else {
  566. return 1;
  567. }
  568. }
  569. static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
  570. int queue_type)
  571. {
  572. int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
  573. if (queue_type == QLCNIC_RX_QUEUE)
  574. max_rings = adapter->max_sds_rings;
  575. else if (queue_type == QLCNIC_TX_QUEUE)
  576. max_rings = adapter->max_tx_rings;
  577. num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
  578. max_rings));
  579. if (ring_cnt > num_rings)
  580. return num_rings;
  581. else
  582. return ring_cnt;
  583. }
  584. void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
  585. {
  586. /* 83xx adapter does not have max_tx_rings intialized in probe */
  587. if (adapter->max_tx_rings)
  588. adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
  589. QLCNIC_TX_QUEUE);
  590. else
  591. adapter->drv_tx_rings = tx_cnt;
  592. }
  593. void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
  594. {
  595. /* 83xx adapter does not have max_sds_rings intialized in probe */
  596. if (adapter->max_sds_rings)
  597. adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
  598. QLCNIC_RX_QUEUE);
  599. else
  600. adapter->drv_sds_rings = rx_cnt;
  601. }
  602. int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
  603. {
  604. struct pci_dev *pdev = adapter->pdev;
  605. int num_msix = 0, err = 0, vector;
  606. adapter->flags &= ~QLCNIC_TSS_RSS;
  607. if (adapter->drv_tss_rings > 0)
  608. num_msix += adapter->drv_tss_rings;
  609. else
  610. num_msix += adapter->drv_tx_rings;
  611. if (adapter->drv_rss_rings > 0)
  612. num_msix += adapter->drv_rss_rings;
  613. else
  614. num_msix += adapter->drv_sds_rings;
  615. if (qlcnic_83xx_check(adapter))
  616. num_msix += 1;
  617. if (!adapter->msix_entries) {
  618. adapter->msix_entries = kcalloc(num_msix,
  619. sizeof(struct msix_entry),
  620. GFP_KERNEL);
  621. if (!adapter->msix_entries)
  622. return -ENOMEM;
  623. }
  624. for (vector = 0; vector < num_msix; vector++)
  625. adapter->msix_entries[vector].entry = vector;
  626. restore:
  627. err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
  628. if (err == -ENOSPC) {
  629. if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
  630. return err;
  631. netdev_info(adapter->netdev,
  632. "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
  633. num_msix, err);
  634. num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
  635. /* Set rings to 0 so we can restore original TSS/RSS count */
  636. adapter->drv_tss_rings = 0;
  637. adapter->drv_rss_rings = 0;
  638. if (qlcnic_83xx_check(adapter))
  639. num_msix += 1;
  640. netdev_info(adapter->netdev,
  641. "Restoring %d Tx, %d SDS rings for total %d vectors.\n",
  642. adapter->drv_tx_rings, adapter->drv_sds_rings,
  643. num_msix);
  644. goto restore;
  645. } else if (err < 0) {
  646. return err;
  647. }
  648. adapter->ahw->num_msix = num_msix;
  649. if (adapter->drv_tss_rings > 0)
  650. adapter->drv_tx_rings = adapter->drv_tss_rings;
  651. if (adapter->drv_rss_rings > 0)
  652. adapter->drv_sds_rings = adapter->drv_rss_rings;
  653. return 0;
  654. }
  655. int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
  656. {
  657. struct pci_dev *pdev = adapter->pdev;
  658. int err, vector;
  659. if (!adapter->msix_entries) {
  660. adapter->msix_entries = kcalloc(num_msix,
  661. sizeof(struct msix_entry),
  662. GFP_KERNEL);
  663. if (!adapter->msix_entries)
  664. return -ENOMEM;
  665. }
  666. adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
  667. if (adapter->ahw->msix_supported) {
  668. enable_msix:
  669. for (vector = 0; vector < num_msix; vector++)
  670. adapter->msix_entries[vector].entry = vector;
  671. err = pci_enable_msix_range(pdev,
  672. adapter->msix_entries, 1, num_msix);
  673. if (err == num_msix) {
  674. adapter->flags |= QLCNIC_MSIX_ENABLED;
  675. adapter->ahw->num_msix = num_msix;
  676. dev_info(&pdev->dev, "using msi-x interrupts\n");
  677. return 0;
  678. } else if (err > 0) {
  679. pci_disable_msix(pdev);
  680. dev_info(&pdev->dev,
  681. "Unable to allocate %d MSI-X vectors, Available vectors %d\n",
  682. num_msix, err);
  683. if (qlcnic_82xx_check(adapter)) {
  684. num_msix = rounddown_pow_of_two(err);
  685. if (err < QLCNIC_82XX_MINIMUM_VECTOR)
  686. return -ENOSPC;
  687. } else {
  688. num_msix = rounddown_pow_of_two(err - 1);
  689. num_msix += 1;
  690. if (err < QLCNIC_83XX_MINIMUM_VECTOR)
  691. return -ENOSPC;
  692. }
  693. if (qlcnic_82xx_check(adapter) &&
  694. !qlcnic_check_multi_tx(adapter)) {
  695. adapter->drv_sds_rings = num_msix;
  696. adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
  697. } else {
  698. /* Distribute vectors equally */
  699. adapter->drv_tx_rings = num_msix / 2;
  700. adapter->drv_sds_rings = adapter->drv_tx_rings;
  701. }
  702. if (num_msix) {
  703. dev_info(&pdev->dev,
  704. "Trying to allocate %d MSI-X interrupt vectors\n",
  705. num_msix);
  706. goto enable_msix;
  707. }
  708. } else {
  709. dev_info(&pdev->dev,
  710. "Unable to allocate %d MSI-X vectors, err=%d\n",
  711. num_msix, err);
  712. return err;
  713. }
  714. }
  715. return -EIO;
  716. }
  717. static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
  718. {
  719. int num_msix;
  720. num_msix = adapter->drv_sds_rings;
  721. if (qlcnic_check_multi_tx(adapter))
  722. num_msix += adapter->drv_tx_rings;
  723. else
  724. num_msix += QLCNIC_SINGLE_RING;
  725. return num_msix;
  726. }
  727. static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
  728. {
  729. int err = 0;
  730. u32 offset, mask_reg;
  731. const struct qlcnic_legacy_intr_set *legacy_intrp;
  732. struct qlcnic_hardware_context *ahw = adapter->ahw;
  733. struct pci_dev *pdev = adapter->pdev;
  734. if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
  735. adapter->flags |= QLCNIC_MSI_ENABLED;
  736. offset = msi_tgt_status[adapter->ahw->pci_func];
  737. adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
  738. offset);
  739. dev_info(&pdev->dev, "using msi interrupts\n");
  740. adapter->msix_entries[0].vector = pdev->irq;
  741. return err;
  742. }
  743. if (qlcnic_use_msi || qlcnic_use_msi_x)
  744. return -EOPNOTSUPP;
  745. legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
  746. adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
  747. offset = legacy_intrp->tgt_status_reg;
  748. adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
  749. mask_reg = legacy_intrp->tgt_mask_reg;
  750. adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
  751. adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
  752. adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
  753. dev_info(&pdev->dev, "using legacy interrupts\n");
  754. adapter->msix_entries[0].vector = pdev->irq;
  755. return err;
  756. }
  757. static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
  758. {
  759. int num_msix, err = 0;
  760. if (adapter->flags & QLCNIC_TSS_RSS) {
  761. err = qlcnic_setup_tss_rss_intr(adapter);
  762. if (err < 0)
  763. return err;
  764. num_msix = adapter->ahw->num_msix;
  765. } else {
  766. num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
  767. err = qlcnic_enable_msix(adapter, num_msix);
  768. if (err == -ENOMEM)
  769. return err;
  770. if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
  771. qlcnic_disable_multi_tx(adapter);
  772. adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
  773. err = qlcnic_enable_msi_legacy(adapter);
  774. if (err)
  775. return err;
  776. }
  777. }
  778. return 0;
  779. }
  780. int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
  781. {
  782. struct qlcnic_hardware_context *ahw = adapter->ahw;
  783. int err, i;
  784. if (qlcnic_check_multi_tx(adapter) &&
  785. !ahw->diag_test &&
  786. (adapter->flags & QLCNIC_MSIX_ENABLED)) {
  787. ahw->intr_tbl =
  788. vzalloc(array_size(sizeof(struct qlcnic_intrpt_config),
  789. ahw->num_msix));
  790. if (!ahw->intr_tbl)
  791. return -ENOMEM;
  792. for (i = 0; i < ahw->num_msix; i++) {
  793. ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
  794. ahw->intr_tbl[i].id = i;
  795. ahw->intr_tbl[i].src = 0;
  796. }
  797. err = qlcnic_82xx_config_intrpt(adapter, 1);
  798. if (err)
  799. dev_err(&adapter->pdev->dev,
  800. "Failed to configure Interrupt for %d vector\n",
  801. ahw->num_msix);
  802. return err;
  803. }
  804. return 0;
  805. }
  806. void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
  807. {
  808. if (adapter->flags & QLCNIC_MSIX_ENABLED)
  809. pci_disable_msix(adapter->pdev);
  810. if (adapter->flags & QLCNIC_MSI_ENABLED)
  811. pci_disable_msi(adapter->pdev);
  812. kfree(adapter->msix_entries);
  813. adapter->msix_entries = NULL;
  814. if (adapter->ahw->intr_tbl) {
  815. vfree(adapter->ahw->intr_tbl);
  816. adapter->ahw->intr_tbl = NULL;
  817. }
  818. }
  819. static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
  820. {
  821. if (ahw->pci_base0 != NULL)
  822. iounmap(ahw->pci_base0);
  823. }
  824. static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
  825. {
  826. struct qlcnic_hardware_context *ahw = adapter->ahw;
  827. struct qlcnic_pci_info *pci_info;
  828. int ret;
  829. if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
  830. switch (ahw->port_type) {
  831. case QLCNIC_GBE:
  832. ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
  833. break;
  834. case QLCNIC_XGBE:
  835. ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
  836. break;
  837. }
  838. return 0;
  839. }
  840. if (ahw->op_mode == QLCNIC_MGMT_FUNC)
  841. return 0;
  842. pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
  843. if (!pci_info)
  844. return -ENOMEM;
  845. ret = qlcnic_get_pci_info(adapter, pci_info);
  846. kfree(pci_info);
  847. return ret;
  848. }
  849. static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
  850. {
  851. bool ret = false;
  852. if (qlcnic_84xx_check(adapter)) {
  853. ret = true;
  854. } else if (qlcnic_83xx_check(adapter)) {
  855. if (adapter->ahw->extra_capability[0] &
  856. QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
  857. ret = true;
  858. else
  859. ret = false;
  860. }
  861. return ret;
  862. }
  863. int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
  864. {
  865. struct qlcnic_hardware_context *ahw = adapter->ahw;
  866. struct qlcnic_pci_info *pci_info;
  867. int i, id = 0, ret = 0, j = 0;
  868. u16 act_pci_func;
  869. u8 pfn;
  870. pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
  871. if (!pci_info)
  872. return -ENOMEM;
  873. ret = qlcnic_get_pci_info(adapter, pci_info);
  874. if (ret)
  875. goto err_pci_info;
  876. act_pci_func = ahw->total_nic_func;
  877. adapter->npars = kcalloc(act_pci_func,
  878. sizeof(struct qlcnic_npar_info),
  879. GFP_KERNEL);
  880. if (!adapter->npars) {
  881. ret = -ENOMEM;
  882. goto err_pci_info;
  883. }
  884. adapter->eswitch = kcalloc(QLCNIC_NIU_MAX_XG_PORTS,
  885. sizeof(struct qlcnic_eswitch),
  886. GFP_KERNEL);
  887. if (!adapter->eswitch) {
  888. ret = -ENOMEM;
  889. goto err_npars;
  890. }
  891. for (i = 0; i < ahw->max_vnic_func; i++) {
  892. pfn = pci_info[i].id;
  893. if (pfn >= ahw->max_vnic_func) {
  894. ret = -EINVAL;
  895. dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
  896. __func__, pfn, ahw->max_vnic_func);
  897. goto err_eswitch;
  898. }
  899. if (!pci_info[i].active ||
  900. (pci_info[i].type != QLCNIC_TYPE_NIC))
  901. continue;
  902. if (qlcnic_port_eswitch_cfg_capability(adapter)) {
  903. if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
  904. &id))
  905. adapter->npars[j].eswitch_status = true;
  906. else
  907. continue;
  908. } else {
  909. adapter->npars[j].eswitch_status = true;
  910. }
  911. adapter->npars[j].pci_func = pfn;
  912. adapter->npars[j].active = (u8)pci_info[i].active;
  913. adapter->npars[j].type = (u8)pci_info[i].type;
  914. adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
  915. adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
  916. adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
  917. memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
  918. j++;
  919. }
  920. /* Update eSwitch status for adapters without per port eSwitch
  921. * configuration capability
  922. */
  923. if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
  924. for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
  925. adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
  926. }
  927. kfree(pci_info);
  928. return 0;
  929. err_eswitch:
  930. kfree(adapter->eswitch);
  931. adapter->eswitch = NULL;
  932. err_npars:
  933. kfree(adapter->npars);
  934. adapter->npars = NULL;
  935. err_pci_info:
  936. kfree(pci_info);
  937. return ret;
  938. }
  939. static int
  940. qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
  941. {
  942. u8 id;
  943. int ret;
  944. u32 data = QLCNIC_MGMT_FUNC;
  945. struct qlcnic_hardware_context *ahw = adapter->ahw;
  946. ret = qlcnic_api_lock(adapter);
  947. if (ret)
  948. goto err_lock;
  949. id = ahw->pci_func;
  950. data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
  951. data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
  952. QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
  953. QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
  954. qlcnic_api_unlock(adapter);
  955. err_lock:
  956. return ret;
  957. }
  958. static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
  959. const struct pci_device_id *ent)
  960. {
  961. u32 op_mode, priv_level;
  962. /* Determine FW API version */
  963. adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
  964. QLCNIC_FW_API);
  965. /* Find PCI function number */
  966. qlcnic_get_func_no(adapter);
  967. /* Determine function privilege level */
  968. op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
  969. if (op_mode == QLC_DEV_DRV_DEFAULT)
  970. priv_level = QLCNIC_MGMT_FUNC;
  971. else
  972. priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
  973. if (priv_level == QLCNIC_NON_PRIV_FUNC) {
  974. adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
  975. dev_info(&adapter->pdev->dev,
  976. "HAL Version: %d Non Privileged function\n",
  977. adapter->ahw->fw_hal_version);
  978. adapter->nic_ops = &qlcnic_vf_ops;
  979. } else
  980. adapter->nic_ops = &qlcnic_ops;
  981. }
  982. #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
  983. #define QLCNIC_83XX_BAR0_LENGTH 0x4000
  984. static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
  985. {
  986. switch (dev_id) {
  987. case PCI_DEVICE_ID_QLOGIC_QLE824X:
  988. *bar = QLCNIC_82XX_BAR0_LENGTH;
  989. break;
  990. case PCI_DEVICE_ID_QLOGIC_QLE834X:
  991. case PCI_DEVICE_ID_QLOGIC_QLE8830:
  992. case PCI_DEVICE_ID_QLOGIC_QLE844X:
  993. case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
  994. case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
  995. case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
  996. *bar = QLCNIC_83XX_BAR0_LENGTH;
  997. break;
  998. default:
  999. *bar = 0;
  1000. }
  1001. }
  1002. static int qlcnic_setup_pci_map(struct pci_dev *pdev,
  1003. struct qlcnic_hardware_context *ahw)
  1004. {
  1005. u32 offset;
  1006. void __iomem *mem_ptr0 = NULL;
  1007. unsigned long mem_len, pci_len0 = 0, bar0_len;
  1008. /* remap phys address */
  1009. mem_len = pci_resource_len(pdev, 0);
  1010. qlcnic_get_bar_length(pdev->device, &bar0_len);
  1011. if (mem_len >= bar0_len) {
  1012. mem_ptr0 = pci_ioremap_bar(pdev, 0);
  1013. if (mem_ptr0 == NULL) {
  1014. dev_err(&pdev->dev, "failed to map PCI bar 0\n");
  1015. return -EIO;
  1016. }
  1017. pci_len0 = mem_len;
  1018. } else {
  1019. return -EIO;
  1020. }
  1021. dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
  1022. ahw->pci_base0 = mem_ptr0;
  1023. ahw->pci_len0 = pci_len0;
  1024. offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
  1025. qlcnic_get_ioaddr(ahw, offset);
  1026. return 0;
  1027. }
  1028. static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
  1029. int index)
  1030. {
  1031. struct pci_dev *pdev = adapter->pdev;
  1032. unsigned short subsystem_vendor;
  1033. bool ret = true;
  1034. subsystem_vendor = pdev->subsystem_vendor;
  1035. if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
  1036. pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
  1037. if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
  1038. qlcnic_boards[index].sub_device == pdev->subsystem_device)
  1039. ret = true;
  1040. else
  1041. ret = false;
  1042. }
  1043. return ret;
  1044. }
  1045. static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
  1046. {
  1047. struct pci_dev *pdev = adapter->pdev;
  1048. int i, found = 0;
  1049. for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
  1050. if (qlcnic_boards[i].vendor == pdev->vendor &&
  1051. qlcnic_boards[i].device == pdev->device &&
  1052. qlcnic_validate_subsystem_id(adapter, i)) {
  1053. found = 1;
  1054. break;
  1055. }
  1056. }
  1057. if (!found)
  1058. sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
  1059. else
  1060. sprintf(name, "%pM: %s" , adapter->mac_addr,
  1061. qlcnic_boards[i].short_name);
  1062. }
  1063. static void
  1064. qlcnic_check_options(struct qlcnic_adapter *adapter)
  1065. {
  1066. int err;
  1067. u32 fw_major, fw_minor, fw_build, prev_fw_version;
  1068. struct pci_dev *pdev = adapter->pdev;
  1069. struct qlcnic_hardware_context *ahw = adapter->ahw;
  1070. struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
  1071. prev_fw_version = adapter->fw_version;
  1072. fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
  1073. fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
  1074. fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
  1075. adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
  1076. err = qlcnic_get_board_info(adapter);
  1077. if (err) {
  1078. dev_err(&pdev->dev, "Error getting board config info.\n");
  1079. return;
  1080. }
  1081. if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
  1082. if (fw_dump->tmpl_hdr == NULL ||
  1083. adapter->fw_version > prev_fw_version) {
  1084. vfree(fw_dump->tmpl_hdr);
  1085. if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
  1086. dev_info(&pdev->dev,
  1087. "Supports FW dump capability\n");
  1088. }
  1089. }
  1090. dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
  1091. QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
  1092. if (adapter->ahw->port_type == QLCNIC_XGBE) {
  1093. if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
  1094. adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
  1095. adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
  1096. } else {
  1097. adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
  1098. adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
  1099. }
  1100. adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
  1101. adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
  1102. } else if (adapter->ahw->port_type == QLCNIC_GBE) {
  1103. adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
  1104. adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
  1105. adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
  1106. adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
  1107. }
  1108. adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
  1109. adapter->num_txd = MAX_CMD_DESCRIPTORS;
  1110. adapter->max_rds_rings = MAX_RDS_RINGS;
  1111. }
  1112. static int
  1113. qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
  1114. {
  1115. struct qlcnic_info nic_info;
  1116. int err = 0;
  1117. memset(&nic_info, 0, sizeof(struct qlcnic_info));
  1118. err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
  1119. if (err)
  1120. return err;
  1121. adapter->ahw->physical_port = (u8)nic_info.phys_port;
  1122. adapter->ahw->switch_mode = nic_info.switch_mode;
  1123. adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
  1124. adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
  1125. adapter->ahw->capabilities = nic_info.capabilities;
  1126. if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
  1127. u32 temp;
  1128. temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
  1129. if (err == -EIO)
  1130. return err;
  1131. adapter->ahw->extra_capability[0] = temp;
  1132. } else {
  1133. adapter->ahw->extra_capability[0] = 0;
  1134. }
  1135. adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
  1136. adapter->ahw->max_mtu = nic_info.max_mtu;
  1137. if (adapter->ahw->capabilities & BIT_6) {
  1138. adapter->flags |= QLCNIC_ESWITCH_ENABLED;
  1139. adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
  1140. adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
  1141. adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
  1142. dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
  1143. } else {
  1144. adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
  1145. adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
  1146. adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
  1147. adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
  1148. }
  1149. return err;
  1150. }
  1151. void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
  1152. struct qlcnic_esw_func_cfg *esw_cfg)
  1153. {
  1154. if (esw_cfg->discard_tagged)
  1155. adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
  1156. else
  1157. adapter->flags |= QLCNIC_TAGGING_ENABLED;
  1158. if (esw_cfg->vlan_id) {
  1159. adapter->rx_pvid = esw_cfg->vlan_id;
  1160. adapter->tx_pvid = esw_cfg->vlan_id;
  1161. } else {
  1162. adapter->rx_pvid = 0;
  1163. adapter->tx_pvid = 0;
  1164. }
  1165. }
  1166. static int
  1167. qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
  1168. {
  1169. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  1170. int err;
  1171. if (qlcnic_sriov_vf_check(adapter)) {
  1172. err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
  1173. if (err) {
  1174. netdev_err(netdev,
  1175. "Cannot add VLAN filter for VLAN id %d, err=%d",
  1176. vid, err);
  1177. return err;
  1178. }
  1179. }
  1180. set_bit(vid, adapter->vlans);
  1181. return 0;
  1182. }
  1183. static int
  1184. qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
  1185. {
  1186. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  1187. int err;
  1188. if (qlcnic_sriov_vf_check(adapter)) {
  1189. err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
  1190. if (err) {
  1191. netdev_err(netdev,
  1192. "Cannot delete VLAN filter for VLAN id %d, err=%d",
  1193. vid, err);
  1194. return err;
  1195. }
  1196. }
  1197. qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
  1198. clear_bit(vid, adapter->vlans);
  1199. return 0;
  1200. }
  1201. void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
  1202. struct qlcnic_esw_func_cfg *esw_cfg)
  1203. {
  1204. adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
  1205. QLCNIC_PROMISC_DISABLED);
  1206. if (esw_cfg->mac_anti_spoof)
  1207. adapter->flags |= QLCNIC_MACSPOOF;
  1208. if (!esw_cfg->mac_override)
  1209. adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
  1210. if (!esw_cfg->promisc_mode)
  1211. adapter->flags |= QLCNIC_PROMISC_DISABLED;
  1212. }
  1213. int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
  1214. {
  1215. struct qlcnic_esw_func_cfg esw_cfg;
  1216. if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
  1217. return 0;
  1218. esw_cfg.pci_func = adapter->ahw->pci_func;
  1219. if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
  1220. return -EIO;
  1221. qlcnic_set_vlan_config(adapter, &esw_cfg);
  1222. qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
  1223. qlcnic_set_netdev_features(adapter, &esw_cfg);
  1224. return 0;
  1225. }
  1226. void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
  1227. struct qlcnic_esw_func_cfg *esw_cfg)
  1228. {
  1229. struct net_device *netdev = adapter->netdev;
  1230. if (qlcnic_83xx_check(adapter))
  1231. return;
  1232. adapter->offload_flags = esw_cfg->offload_flags;
  1233. adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
  1234. netdev_update_features(netdev);
  1235. adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
  1236. }
  1237. static int
  1238. qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
  1239. {
  1240. u32 op_mode, priv_level;
  1241. int err = 0;
  1242. err = qlcnic_initialize_nic(adapter);
  1243. if (err)
  1244. return err;
  1245. if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
  1246. return 0;
  1247. op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
  1248. priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
  1249. if (op_mode == QLC_DEV_DRV_DEFAULT)
  1250. priv_level = QLCNIC_MGMT_FUNC;
  1251. else
  1252. priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
  1253. if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
  1254. if (priv_level == QLCNIC_MGMT_FUNC) {
  1255. adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
  1256. err = qlcnic_init_pci_info(adapter);
  1257. if (err)
  1258. return err;
  1259. /* Set privilege level for other functions */
  1260. qlcnic_set_function_modes(adapter);
  1261. dev_info(&adapter->pdev->dev,
  1262. "HAL Version: %d, Management function\n",
  1263. adapter->ahw->fw_hal_version);
  1264. } else if (priv_level == QLCNIC_PRIV_FUNC) {
  1265. adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
  1266. dev_info(&adapter->pdev->dev,
  1267. "HAL Version: %d, Privileged function\n",
  1268. adapter->ahw->fw_hal_version);
  1269. }
  1270. } else {
  1271. adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
  1272. }
  1273. adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
  1274. return err;
  1275. }
  1276. int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
  1277. {
  1278. struct qlcnic_esw_func_cfg esw_cfg;
  1279. struct qlcnic_npar_info *npar;
  1280. u8 i;
  1281. if (adapter->need_fw_reset)
  1282. return 0;
  1283. for (i = 0; i < adapter->ahw->total_nic_func; i++) {
  1284. if (!adapter->npars[i].eswitch_status)
  1285. continue;
  1286. memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
  1287. esw_cfg.pci_func = adapter->npars[i].pci_func;
  1288. esw_cfg.mac_override = BIT_0;
  1289. esw_cfg.promisc_mode = BIT_0;
  1290. if (qlcnic_82xx_check(adapter)) {
  1291. esw_cfg.offload_flags = BIT_0;
  1292. if (QLCNIC_IS_TSO_CAPABLE(adapter))
  1293. esw_cfg.offload_flags |= (BIT_1 | BIT_2);
  1294. }
  1295. if (qlcnic_config_switch_port(adapter, &esw_cfg))
  1296. return -EIO;
  1297. npar = &adapter->npars[i];
  1298. npar->pvid = esw_cfg.vlan_id;
  1299. npar->mac_override = esw_cfg.mac_override;
  1300. npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
  1301. npar->discard_tagged = esw_cfg.discard_tagged;
  1302. npar->promisc_mode = esw_cfg.promisc_mode;
  1303. npar->offload_flags = esw_cfg.offload_flags;
  1304. }
  1305. return 0;
  1306. }
  1307. static int
  1308. qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
  1309. struct qlcnic_npar_info *npar, int pci_func)
  1310. {
  1311. struct qlcnic_esw_func_cfg esw_cfg;
  1312. esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
  1313. esw_cfg.pci_func = pci_func;
  1314. esw_cfg.vlan_id = npar->pvid;
  1315. esw_cfg.mac_override = npar->mac_override;
  1316. esw_cfg.discard_tagged = npar->discard_tagged;
  1317. esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
  1318. esw_cfg.offload_flags = npar->offload_flags;
  1319. esw_cfg.promisc_mode = npar->promisc_mode;
  1320. if (qlcnic_config_switch_port(adapter, &esw_cfg))
  1321. return -EIO;
  1322. esw_cfg.op_mode = QLCNIC_ADD_VLAN;
  1323. if (qlcnic_config_switch_port(adapter, &esw_cfg))
  1324. return -EIO;
  1325. return 0;
  1326. }
  1327. int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
  1328. {
  1329. int i, err;
  1330. struct qlcnic_npar_info *npar;
  1331. struct qlcnic_info nic_info;
  1332. u8 pci_func;
  1333. if (qlcnic_82xx_check(adapter))
  1334. if (!adapter->need_fw_reset)
  1335. return 0;
  1336. /* Set the NPAR config data after FW reset */
  1337. for (i = 0; i < adapter->ahw->total_nic_func; i++) {
  1338. npar = &adapter->npars[i];
  1339. pci_func = npar->pci_func;
  1340. if (!adapter->npars[i].eswitch_status)
  1341. continue;
  1342. memset(&nic_info, 0, sizeof(struct qlcnic_info));
  1343. err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
  1344. if (err)
  1345. return err;
  1346. nic_info.min_tx_bw = npar->min_bw;
  1347. nic_info.max_tx_bw = npar->max_bw;
  1348. err = qlcnic_set_nic_info(adapter, &nic_info);
  1349. if (err)
  1350. return err;
  1351. if (npar->enable_pm) {
  1352. err = qlcnic_config_port_mirroring(adapter,
  1353. npar->dest_npar, 1,
  1354. pci_func);
  1355. if (err)
  1356. return err;
  1357. }
  1358. err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
  1359. if (err)
  1360. return err;
  1361. }
  1362. return 0;
  1363. }
  1364. static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
  1365. {
  1366. u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
  1367. u32 npar_state;
  1368. if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
  1369. return 0;
  1370. npar_state = QLC_SHARED_REG_RD32(adapter,
  1371. QLCNIC_CRB_DEV_NPAR_STATE);
  1372. while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
  1373. msleep(1000);
  1374. npar_state = QLC_SHARED_REG_RD32(adapter,
  1375. QLCNIC_CRB_DEV_NPAR_STATE);
  1376. }
  1377. if (!npar_opt_timeo) {
  1378. dev_err(&adapter->pdev->dev,
  1379. "Waiting for NPAR state to operational timeout\n");
  1380. return -EIO;
  1381. }
  1382. return 0;
  1383. }
  1384. static int
  1385. qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
  1386. {
  1387. int err;
  1388. if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
  1389. adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
  1390. return 0;
  1391. err = qlcnic_set_default_offload_settings(adapter);
  1392. if (err)
  1393. return err;
  1394. err = qlcnic_reset_npar_config(adapter);
  1395. if (err)
  1396. return err;
  1397. qlcnic_dev_set_npar_ready(adapter);
  1398. return err;
  1399. }
  1400. static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
  1401. {
  1402. int err;
  1403. err = qlcnic_can_start_firmware(adapter);
  1404. if (err < 0)
  1405. return err;
  1406. else if (!err)
  1407. goto check_fw_status;
  1408. if (qlcnic_load_fw_file)
  1409. qlcnic_request_firmware(adapter);
  1410. else {
  1411. err = qlcnic_check_flash_fw_ver(adapter);
  1412. if (err)
  1413. goto err_out;
  1414. adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
  1415. }
  1416. err = qlcnic_need_fw_reset(adapter);
  1417. if (err == 0)
  1418. goto check_fw_status;
  1419. err = qlcnic_pinit_from_rom(adapter);
  1420. if (err)
  1421. goto err_out;
  1422. err = qlcnic_load_firmware(adapter);
  1423. if (err)
  1424. goto err_out;
  1425. qlcnic_release_firmware(adapter);
  1426. QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
  1427. check_fw_status:
  1428. err = qlcnic_check_fw_status(adapter);
  1429. if (err)
  1430. goto err_out;
  1431. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
  1432. qlcnic_idc_debug_info(adapter, 1);
  1433. err = qlcnic_check_eswitch_mode(adapter);
  1434. if (err) {
  1435. dev_err(&adapter->pdev->dev,
  1436. "Memory allocation failed for eswitch\n");
  1437. goto err_out;
  1438. }
  1439. err = qlcnic_set_mgmt_operations(adapter);
  1440. if (err)
  1441. goto err_out;
  1442. qlcnic_check_options(adapter);
  1443. adapter->need_fw_reset = 0;
  1444. qlcnic_release_firmware(adapter);
  1445. return 0;
  1446. err_out:
  1447. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
  1448. dev_err(&adapter->pdev->dev, "Device state set to failed\n");
  1449. qlcnic_release_firmware(adapter);
  1450. return err;
  1451. }
  1452. static int
  1453. qlcnic_request_irq(struct qlcnic_adapter *adapter)
  1454. {
  1455. irq_handler_t handler;
  1456. struct qlcnic_host_sds_ring *sds_ring;
  1457. struct qlcnic_host_tx_ring *tx_ring;
  1458. int err, ring, num_sds_rings;
  1459. unsigned long flags = 0;
  1460. struct net_device *netdev = adapter->netdev;
  1461. struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
  1462. if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
  1463. if (qlcnic_82xx_check(adapter))
  1464. handler = qlcnic_tmp_intr;
  1465. else
  1466. handler = qlcnic_83xx_tmp_intr;
  1467. if (!QLCNIC_IS_MSI_FAMILY(adapter))
  1468. flags |= IRQF_SHARED;
  1469. } else {
  1470. if (adapter->flags & QLCNIC_MSIX_ENABLED)
  1471. handler = qlcnic_msix_intr;
  1472. else if (adapter->flags & QLCNIC_MSI_ENABLED)
  1473. handler = qlcnic_msi_intr;
  1474. else {
  1475. flags |= IRQF_SHARED;
  1476. if (qlcnic_82xx_check(adapter))
  1477. handler = qlcnic_intr;
  1478. else
  1479. handler = qlcnic_83xx_intr;
  1480. }
  1481. }
  1482. adapter->irq = netdev->irq;
  1483. if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
  1484. if (qlcnic_82xx_check(adapter) ||
  1485. (qlcnic_83xx_check(adapter) &&
  1486. (adapter->flags & QLCNIC_MSIX_ENABLED))) {
  1487. num_sds_rings = adapter->drv_sds_rings;
  1488. for (ring = 0; ring < num_sds_rings; ring++) {
  1489. sds_ring = &recv_ctx->sds_rings[ring];
  1490. if (qlcnic_82xx_check(adapter) &&
  1491. !qlcnic_check_multi_tx(adapter) &&
  1492. (ring == (num_sds_rings - 1))) {
  1493. if (!(adapter->flags &
  1494. QLCNIC_MSIX_ENABLED))
  1495. snprintf(sds_ring->name,
  1496. sizeof(sds_ring->name),
  1497. "qlcnic");
  1498. else
  1499. snprintf(sds_ring->name,
  1500. sizeof(sds_ring->name),
  1501. "%s-tx-0-rx-%d",
  1502. netdev->name, ring);
  1503. } else {
  1504. snprintf(sds_ring->name,
  1505. sizeof(sds_ring->name),
  1506. "%s-rx-%d",
  1507. netdev->name, ring);
  1508. }
  1509. err = request_irq(sds_ring->irq, handler, flags,
  1510. sds_ring->name, sds_ring);
  1511. if (err)
  1512. return err;
  1513. }
  1514. }
  1515. if ((qlcnic_82xx_check(adapter) &&
  1516. qlcnic_check_multi_tx(adapter)) ||
  1517. (qlcnic_83xx_check(adapter) &&
  1518. (adapter->flags & QLCNIC_MSIX_ENABLED) &&
  1519. !(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
  1520. handler = qlcnic_msix_tx_intr;
  1521. for (ring = 0; ring < adapter->drv_tx_rings;
  1522. ring++) {
  1523. tx_ring = &adapter->tx_ring[ring];
  1524. snprintf(tx_ring->name, sizeof(tx_ring->name),
  1525. "%s-tx-%d", netdev->name, ring);
  1526. err = request_irq(tx_ring->irq, handler, flags,
  1527. tx_ring->name, tx_ring);
  1528. if (err)
  1529. return err;
  1530. }
  1531. }
  1532. }
  1533. return 0;
  1534. }
  1535. static void
  1536. qlcnic_free_irq(struct qlcnic_adapter *adapter)
  1537. {
  1538. int ring;
  1539. struct qlcnic_host_sds_ring *sds_ring;
  1540. struct qlcnic_host_tx_ring *tx_ring;
  1541. struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
  1542. if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
  1543. if (qlcnic_82xx_check(adapter) ||
  1544. (qlcnic_83xx_check(adapter) &&
  1545. (adapter->flags & QLCNIC_MSIX_ENABLED))) {
  1546. for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
  1547. sds_ring = &recv_ctx->sds_rings[ring];
  1548. free_irq(sds_ring->irq, sds_ring);
  1549. }
  1550. }
  1551. if ((qlcnic_83xx_check(adapter) &&
  1552. !(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
  1553. (qlcnic_82xx_check(adapter) &&
  1554. qlcnic_check_multi_tx(adapter))) {
  1555. for (ring = 0; ring < adapter->drv_tx_rings;
  1556. ring++) {
  1557. tx_ring = &adapter->tx_ring[ring];
  1558. if (tx_ring->irq)
  1559. free_irq(tx_ring->irq, tx_ring);
  1560. }
  1561. }
  1562. }
  1563. }
  1564. static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
  1565. {
  1566. u32 capab = 0;
  1567. if (qlcnic_82xx_check(adapter)) {
  1568. if (adapter->ahw->extra_capability[0] &
  1569. QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
  1570. adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
  1571. } else {
  1572. capab = adapter->ahw->capabilities;
  1573. if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
  1574. adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
  1575. }
  1576. }
  1577. static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
  1578. {
  1579. struct qlcnic_hardware_context *ahw = adapter->ahw;
  1580. int err;
  1581. /* Initialize interrupt coalesce parameters */
  1582. ahw->coal.flag = QLCNIC_INTR_DEFAULT;
  1583. if (qlcnic_83xx_check(adapter)) {
  1584. ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
  1585. ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
  1586. ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
  1587. ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
  1588. ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
  1589. err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
  1590. } else {
  1591. ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
  1592. ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
  1593. ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
  1594. err = qlcnic_82xx_set_rx_coalesce(adapter);
  1595. }
  1596. return err;
  1597. }
  1598. int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
  1599. {
  1600. int ring;
  1601. struct qlcnic_host_rds_ring *rds_ring;
  1602. if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
  1603. return -EIO;
  1604. if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
  1605. return 0;
  1606. if (qlcnic_set_eswitch_port_config(adapter))
  1607. return -EIO;
  1608. qlcnic_get_lro_mss_capability(adapter);
  1609. if (qlcnic_fw_create_ctx(adapter))
  1610. return -EIO;
  1611. for (ring = 0; ring < adapter->max_rds_rings; ring++) {
  1612. rds_ring = &adapter->recv_ctx->rds_rings[ring];
  1613. qlcnic_post_rx_buffers(adapter, rds_ring, ring);
  1614. }
  1615. qlcnic_set_multi(netdev);
  1616. qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
  1617. adapter->ahw->linkup = 0;
  1618. if (adapter->drv_sds_rings > 1)
  1619. qlcnic_config_rss(adapter, 1);
  1620. qlcnic_config_def_intr_coalesce(adapter);
  1621. if (netdev->features & NETIF_F_LRO)
  1622. qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
  1623. set_bit(__QLCNIC_DEV_UP, &adapter->state);
  1624. qlcnic_napi_enable(adapter);
  1625. qlcnic_linkevent_request(adapter, 1);
  1626. adapter->ahw->reset_context = 0;
  1627. netif_tx_start_all_queues(netdev);
  1628. return 0;
  1629. }
  1630. int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
  1631. {
  1632. int err = 0;
  1633. rtnl_lock();
  1634. if (netif_running(netdev))
  1635. err = __qlcnic_up(adapter, netdev);
  1636. rtnl_unlock();
  1637. return err;
  1638. }
  1639. void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
  1640. {
  1641. int ring;
  1642. if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
  1643. return;
  1644. if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
  1645. return;
  1646. smp_mb();
  1647. netif_carrier_off(netdev);
  1648. adapter->ahw->linkup = 0;
  1649. netif_tx_disable(netdev);
  1650. qlcnic_free_mac_list(adapter);
  1651. if (adapter->fhash.fnum)
  1652. qlcnic_delete_lb_filters(adapter);
  1653. qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
  1654. if (qlcnic_sriov_vf_check(adapter))
  1655. qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
  1656. qlcnic_napi_disable(adapter);
  1657. qlcnic_fw_destroy_ctx(adapter);
  1658. adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
  1659. qlcnic_reset_rx_buffers_list(adapter);
  1660. for (ring = 0; ring < adapter->drv_tx_rings; ring++)
  1661. qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
  1662. }
  1663. /* Usage: During suspend and firmware recovery module */
  1664. void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
  1665. {
  1666. rtnl_lock();
  1667. if (netif_running(netdev))
  1668. __qlcnic_down(adapter, netdev);
  1669. rtnl_unlock();
  1670. }
  1671. int
  1672. qlcnic_attach(struct qlcnic_adapter *adapter)
  1673. {
  1674. struct net_device *netdev = adapter->netdev;
  1675. struct pci_dev *pdev = adapter->pdev;
  1676. int err;
  1677. if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
  1678. return 0;
  1679. err = qlcnic_napi_add(adapter, netdev);
  1680. if (err)
  1681. return err;
  1682. err = qlcnic_alloc_sw_resources(adapter);
  1683. if (err) {
  1684. dev_err(&pdev->dev, "Error in setting sw resources\n");
  1685. goto err_out_napi_del;
  1686. }
  1687. err = qlcnic_alloc_hw_resources(adapter);
  1688. if (err) {
  1689. dev_err(&pdev->dev, "Error in setting hw resources\n");
  1690. goto err_out_free_sw;
  1691. }
  1692. err = qlcnic_request_irq(adapter);
  1693. if (err) {
  1694. dev_err(&pdev->dev, "failed to setup interrupt\n");
  1695. goto err_out_free_hw;
  1696. }
  1697. qlcnic_create_sysfs_entries(adapter);
  1698. if (qlcnic_encap_rx_offload(adapter))
  1699. udp_tunnel_get_rx_info(netdev);
  1700. adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
  1701. return 0;
  1702. err_out_free_hw:
  1703. qlcnic_free_hw_resources(adapter);
  1704. err_out_free_sw:
  1705. qlcnic_free_sw_resources(adapter);
  1706. err_out_napi_del:
  1707. qlcnic_napi_del(adapter);
  1708. return err;
  1709. }
  1710. void qlcnic_detach(struct qlcnic_adapter *adapter)
  1711. {
  1712. if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
  1713. return;
  1714. qlcnic_remove_sysfs_entries(adapter);
  1715. qlcnic_free_hw_resources(adapter);
  1716. qlcnic_release_rx_buffers(adapter);
  1717. qlcnic_free_irq(adapter);
  1718. qlcnic_napi_del(adapter);
  1719. qlcnic_free_sw_resources(adapter);
  1720. adapter->is_up = 0;
  1721. }
  1722. void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
  1723. {
  1724. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  1725. struct qlcnic_host_sds_ring *sds_ring;
  1726. int drv_tx_rings = adapter->drv_tx_rings;
  1727. int ring;
  1728. clear_bit(__QLCNIC_DEV_UP, &adapter->state);
  1729. if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
  1730. for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
  1731. sds_ring = &adapter->recv_ctx->sds_rings[ring];
  1732. qlcnic_disable_sds_intr(adapter, sds_ring);
  1733. }
  1734. }
  1735. qlcnic_fw_destroy_ctx(adapter);
  1736. qlcnic_detach(adapter);
  1737. adapter->ahw->diag_test = 0;
  1738. adapter->drv_sds_rings = drv_sds_rings;
  1739. adapter->drv_tx_rings = drv_tx_rings;
  1740. if (qlcnic_attach(adapter))
  1741. goto out;
  1742. if (netif_running(netdev))
  1743. __qlcnic_up(adapter, netdev);
  1744. out:
  1745. netif_device_attach(netdev);
  1746. }
  1747. static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
  1748. {
  1749. struct qlcnic_hardware_context *ahw = adapter->ahw;
  1750. int err = 0;
  1751. adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
  1752. GFP_KERNEL);
  1753. if (!adapter->recv_ctx) {
  1754. err = -ENOMEM;
  1755. goto err_out;
  1756. }
  1757. if (qlcnic_83xx_check(adapter)) {
  1758. ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
  1759. ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
  1760. ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
  1761. ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
  1762. ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
  1763. } else {
  1764. ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
  1765. ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
  1766. ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
  1767. }
  1768. /* clear stats */
  1769. memset(&adapter->stats, 0, sizeof(adapter->stats));
  1770. err_out:
  1771. return err;
  1772. }
  1773. static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
  1774. {
  1775. struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
  1776. kfree(adapter->recv_ctx);
  1777. adapter->recv_ctx = NULL;
  1778. if (fw_dump->tmpl_hdr) {
  1779. vfree(fw_dump->tmpl_hdr);
  1780. fw_dump->tmpl_hdr = NULL;
  1781. }
  1782. if (fw_dump->dma_buffer) {
  1783. dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
  1784. fw_dump->dma_buffer, fw_dump->phys_addr);
  1785. fw_dump->dma_buffer = NULL;
  1786. }
  1787. kfree(adapter->ahw->reset.buff);
  1788. adapter->ahw->fw_dump.tmpl_hdr = NULL;
  1789. }
  1790. int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
  1791. {
  1792. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  1793. struct qlcnic_host_sds_ring *sds_ring;
  1794. struct qlcnic_host_rds_ring *rds_ring;
  1795. int ring;
  1796. int ret;
  1797. netif_device_detach(netdev);
  1798. if (netif_running(netdev))
  1799. __qlcnic_down(adapter, netdev);
  1800. qlcnic_detach(adapter);
  1801. adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
  1802. adapter->ahw->diag_test = test;
  1803. adapter->ahw->linkup = 0;
  1804. ret = qlcnic_attach(adapter);
  1805. if (ret) {
  1806. netif_device_attach(netdev);
  1807. return ret;
  1808. }
  1809. ret = qlcnic_fw_create_ctx(adapter);
  1810. if (ret) {
  1811. qlcnic_detach(adapter);
  1812. netif_device_attach(netdev);
  1813. return ret;
  1814. }
  1815. for (ring = 0; ring < adapter->max_rds_rings; ring++) {
  1816. rds_ring = &adapter->recv_ctx->rds_rings[ring];
  1817. qlcnic_post_rx_buffers(adapter, rds_ring, ring);
  1818. }
  1819. if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
  1820. for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
  1821. sds_ring = &adapter->recv_ctx->sds_rings[ring];
  1822. qlcnic_enable_sds_intr(adapter, sds_ring);
  1823. }
  1824. }
  1825. if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
  1826. adapter->ahw->loopback_state = 0;
  1827. qlcnic_linkevent_request(adapter, 1);
  1828. }
  1829. set_bit(__QLCNIC_DEV_UP, &adapter->state);
  1830. return 0;
  1831. }
  1832. /* Reset context in hardware only */
  1833. static int
  1834. qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
  1835. {
  1836. struct net_device *netdev = adapter->netdev;
  1837. if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
  1838. return -EBUSY;
  1839. netif_device_detach(netdev);
  1840. qlcnic_down(adapter, netdev);
  1841. qlcnic_up(adapter, netdev);
  1842. netif_device_attach(netdev);
  1843. clear_bit(__QLCNIC_RESETTING, &adapter->state);
  1844. netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
  1845. return 0;
  1846. }
  1847. int
  1848. qlcnic_reset_context(struct qlcnic_adapter *adapter)
  1849. {
  1850. int err = 0;
  1851. struct net_device *netdev = adapter->netdev;
  1852. if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
  1853. return -EBUSY;
  1854. if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
  1855. netif_device_detach(netdev);
  1856. if (netif_running(netdev))
  1857. __qlcnic_down(adapter, netdev);
  1858. qlcnic_detach(adapter);
  1859. if (netif_running(netdev)) {
  1860. err = qlcnic_attach(adapter);
  1861. if (!err) {
  1862. __qlcnic_up(adapter, netdev);
  1863. qlcnic_restore_indev_addr(netdev, NETDEV_UP);
  1864. }
  1865. }
  1866. netif_device_attach(netdev);
  1867. }
  1868. clear_bit(__QLCNIC_RESETTING, &adapter->state);
  1869. return err;
  1870. }
  1871. static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
  1872. {
  1873. struct qlcnic_hardware_context *ahw = adapter->ahw;
  1874. u16 act_pci_fn = ahw->total_nic_func;
  1875. u16 count;
  1876. ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
  1877. if (act_pci_fn <= 2)
  1878. count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
  1879. act_pci_fn;
  1880. else
  1881. count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
  1882. act_pci_fn;
  1883. ahw->max_uc_count = count;
  1884. }
  1885. static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
  1886. u8 tx_queues, u8 rx_queues)
  1887. {
  1888. struct net_device *netdev = adapter->netdev;
  1889. int err = 0;
  1890. if (tx_queues) {
  1891. err = netif_set_real_num_tx_queues(netdev, tx_queues);
  1892. if (err) {
  1893. netdev_err(netdev, "failed to set %d Tx queues\n",
  1894. tx_queues);
  1895. return err;
  1896. }
  1897. }
  1898. if (rx_queues) {
  1899. err = netif_set_real_num_rx_queues(netdev, rx_queues);
  1900. if (err)
  1901. netdev_err(netdev, "failed to set %d Rx queues\n",
  1902. rx_queues);
  1903. }
  1904. return err;
  1905. }
  1906. int
  1907. qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
  1908. int pci_using_dac)
  1909. {
  1910. int err;
  1911. struct pci_dev *pdev = adapter->pdev;
  1912. adapter->rx_csum = 1;
  1913. adapter->ahw->mc_enabled = 0;
  1914. qlcnic_set_mac_filter_count(adapter);
  1915. netdev->netdev_ops = &qlcnic_netdev_ops;
  1916. netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
  1917. qlcnic_change_mtu(netdev, netdev->mtu);
  1918. netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ?
  1919. &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops;
  1920. netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
  1921. NETIF_F_IPV6_CSUM | NETIF_F_GRO |
  1922. NETIF_F_HW_VLAN_CTAG_RX);
  1923. netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
  1924. NETIF_F_IPV6_CSUM);
  1925. if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
  1926. netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
  1927. netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
  1928. }
  1929. if (pci_using_dac) {
  1930. netdev->features |= NETIF_F_HIGHDMA;
  1931. netdev->vlan_features |= NETIF_F_HIGHDMA;
  1932. }
  1933. if (qlcnic_vlan_tx_check(adapter))
  1934. netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
  1935. if (qlcnic_sriov_vf_check(adapter))
  1936. netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
  1937. if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
  1938. netdev->features |= NETIF_F_LRO;
  1939. if (qlcnic_encap_tx_offload(adapter)) {
  1940. netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
  1941. /* encapsulation Tx offload supported by Adapter */
  1942. netdev->hw_enc_features = NETIF_F_IP_CSUM |
  1943. NETIF_F_GSO_UDP_TUNNEL |
  1944. NETIF_F_TSO |
  1945. NETIF_F_TSO6;
  1946. }
  1947. if (qlcnic_encap_rx_offload(adapter))
  1948. netdev->hw_enc_features |= NETIF_F_RXCSUM;
  1949. netdev->hw_features = netdev->features;
  1950. netdev->priv_flags |= IFF_UNICAST_FLT;
  1951. netdev->irq = adapter->msix_entries[0].vector;
  1952. /* MTU range: 68 - 9600 */
  1953. netdev->min_mtu = P3P_MIN_MTU;
  1954. netdev->max_mtu = P3P_MAX_MTU;
  1955. err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
  1956. adapter->drv_sds_rings);
  1957. if (err)
  1958. return err;
  1959. qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
  1960. err = register_netdev(netdev);
  1961. if (err) {
  1962. dev_err(&pdev->dev, "failed to register net device\n");
  1963. return err;
  1964. }
  1965. return 0;
  1966. }
  1967. static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
  1968. {
  1969. if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
  1970. !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
  1971. *pci_using_dac = 1;
  1972. else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
  1973. !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
  1974. *pci_using_dac = 0;
  1975. else {
  1976. dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
  1977. return -EIO;
  1978. }
  1979. return 0;
  1980. }
  1981. void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
  1982. {
  1983. int ring;
  1984. struct qlcnic_host_tx_ring *tx_ring;
  1985. for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
  1986. tx_ring = &adapter->tx_ring[ring];
  1987. if (tx_ring) {
  1988. vfree(tx_ring->cmd_buf_arr);
  1989. tx_ring->cmd_buf_arr = NULL;
  1990. }
  1991. }
  1992. kfree(adapter->tx_ring);
  1993. }
  1994. int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
  1995. struct net_device *netdev)
  1996. {
  1997. int ring, vector, index;
  1998. struct qlcnic_host_tx_ring *tx_ring;
  1999. struct qlcnic_cmd_buffer *cmd_buf_arr;
  2000. tx_ring = kcalloc(adapter->drv_tx_rings,
  2001. sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
  2002. if (tx_ring == NULL)
  2003. return -ENOMEM;
  2004. adapter->tx_ring = tx_ring;
  2005. for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
  2006. tx_ring = &adapter->tx_ring[ring];
  2007. tx_ring->num_desc = adapter->num_txd;
  2008. tx_ring->txq = netdev_get_tx_queue(netdev, ring);
  2009. cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
  2010. if (cmd_buf_arr == NULL) {
  2011. qlcnic_free_tx_rings(adapter);
  2012. return -ENOMEM;
  2013. }
  2014. tx_ring->cmd_buf_arr = cmd_buf_arr;
  2015. spin_lock_init(&tx_ring->tx_clean_lock);
  2016. }
  2017. if (qlcnic_83xx_check(adapter) ||
  2018. (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
  2019. for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
  2020. tx_ring = &adapter->tx_ring[ring];
  2021. tx_ring->adapter = adapter;
  2022. if (adapter->flags & QLCNIC_MSIX_ENABLED) {
  2023. index = adapter->drv_sds_rings + ring;
  2024. vector = adapter->msix_entries[index].vector;
  2025. tx_ring->irq = vector;
  2026. }
  2027. }
  2028. }
  2029. return 0;
  2030. }
  2031. void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
  2032. {
  2033. struct qlcnic_hardware_context *ahw = adapter->ahw;
  2034. u32 fw_cmd = 0;
  2035. if (qlcnic_82xx_check(adapter))
  2036. fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
  2037. else if (qlcnic_83xx_check(adapter))
  2038. fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
  2039. if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
  2040. qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
  2041. }
  2042. /* Reset firmware API lock */
  2043. static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
  2044. {
  2045. qlcnic_api_lock(adapter);
  2046. qlcnic_api_unlock(adapter);
  2047. }
  2048. static int
  2049. qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
  2050. {
  2051. struct net_device *netdev = NULL;
  2052. struct qlcnic_adapter *adapter = NULL;
  2053. struct qlcnic_hardware_context *ahw;
  2054. int err, pci_using_dac = -1;
  2055. char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
  2056. err = pci_enable_device(pdev);
  2057. if (err)
  2058. return err;
  2059. if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
  2060. err = -ENODEV;
  2061. goto err_out_disable_pdev;
  2062. }
  2063. err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
  2064. if (err)
  2065. goto err_out_disable_pdev;
  2066. err = pci_request_regions(pdev, qlcnic_driver_name);
  2067. if (err)
  2068. goto err_out_disable_pdev;
  2069. pci_set_master(pdev);
  2070. pci_enable_pcie_error_reporting(pdev);
  2071. ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
  2072. if (!ahw) {
  2073. err = -ENOMEM;
  2074. goto err_out_free_res;
  2075. }
  2076. switch (ent->device) {
  2077. case PCI_DEVICE_ID_QLOGIC_QLE824X:
  2078. ahw->hw_ops = &qlcnic_hw_ops;
  2079. ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
  2080. break;
  2081. case PCI_DEVICE_ID_QLOGIC_QLE834X:
  2082. case PCI_DEVICE_ID_QLOGIC_QLE8830:
  2083. case PCI_DEVICE_ID_QLOGIC_QLE844X:
  2084. qlcnic_83xx_register_map(ahw);
  2085. break;
  2086. case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
  2087. case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30:
  2088. case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
  2089. qlcnic_sriov_vf_register_map(ahw);
  2090. break;
  2091. default:
  2092. goto err_out_free_hw_res;
  2093. }
  2094. err = qlcnic_setup_pci_map(pdev, ahw);
  2095. if (err)
  2096. goto err_out_free_hw_res;
  2097. netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
  2098. QLCNIC_MAX_TX_RINGS);
  2099. if (!netdev) {
  2100. err = -ENOMEM;
  2101. goto err_out_iounmap;
  2102. }
  2103. SET_NETDEV_DEV(netdev, &pdev->dev);
  2104. adapter = netdev_priv(netdev);
  2105. adapter->netdev = netdev;
  2106. adapter->pdev = pdev;
  2107. adapter->ahw = ahw;
  2108. adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
  2109. if (adapter->qlcnic_wq == NULL) {
  2110. err = -ENOMEM;
  2111. dev_err(&pdev->dev, "Failed to create workqueue\n");
  2112. goto err_out_free_netdev;
  2113. }
  2114. err = qlcnic_alloc_adapter_resources(adapter);
  2115. if (err)
  2116. goto err_out_free_wq;
  2117. adapter->dev_rst_time = jiffies;
  2118. ahw->revision_id = pdev->revision;
  2119. ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
  2120. if (qlcnic_mac_learn == FDB_MAC_LEARN)
  2121. adapter->fdb_mac_learn = true;
  2122. else if (qlcnic_mac_learn == DRV_MAC_LEARN)
  2123. adapter->drv_mac_learn = true;
  2124. rwlock_init(&adapter->ahw->crb_lock);
  2125. mutex_init(&adapter->ahw->mem_lock);
  2126. INIT_LIST_HEAD(&adapter->mac_list);
  2127. qlcnic_register_dcb(adapter);
  2128. if (qlcnic_82xx_check(adapter)) {
  2129. qlcnic_check_vf(adapter, ent);
  2130. adapter->portnum = adapter->ahw->pci_func;
  2131. qlcnic_reset_api_lock(adapter);
  2132. err = qlcnic_start_firmware(adapter);
  2133. if (err) {
  2134. dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
  2135. "\t\tIf reboot doesn't help, try flashing the card\n");
  2136. goto err_out_maintenance_mode;
  2137. }
  2138. /* compute and set default and max tx/sds rings */
  2139. if (adapter->ahw->msix_supported) {
  2140. if (qlcnic_check_multi_tx_capability(adapter) == 1)
  2141. qlcnic_set_tx_ring_count(adapter,
  2142. QLCNIC_SINGLE_RING);
  2143. else
  2144. qlcnic_set_tx_ring_count(adapter,
  2145. QLCNIC_DEF_TX_RINGS);
  2146. qlcnic_set_sds_ring_count(adapter,
  2147. QLCNIC_DEF_SDS_RINGS);
  2148. } else {
  2149. qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
  2150. qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
  2151. }
  2152. err = qlcnic_setup_idc_param(adapter);
  2153. if (err)
  2154. goto err_out_free_hw;
  2155. adapter->flags |= QLCNIC_NEED_FLR;
  2156. } else if (qlcnic_83xx_check(adapter)) {
  2157. qlcnic_83xx_check_vf(adapter, ent);
  2158. adapter->portnum = adapter->ahw->pci_func;
  2159. err = qlcnic_83xx_init(adapter, pci_using_dac);
  2160. if (err) {
  2161. switch (err) {
  2162. case -ENOTRECOVERABLE:
  2163. dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
  2164. dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
  2165. goto err_out_free_hw;
  2166. case -ENOMEM:
  2167. dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
  2168. goto err_out_free_hw;
  2169. case -EOPNOTSUPP:
  2170. dev_err(&pdev->dev, "Adapter initialization failed\n");
  2171. goto err_out_free_hw;
  2172. default:
  2173. dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
  2174. goto err_out_maintenance_mode;
  2175. }
  2176. }
  2177. if (qlcnic_sriov_vf_check(adapter))
  2178. return 0;
  2179. } else {
  2180. dev_err(&pdev->dev,
  2181. "%s: failed. Please Reboot\n", __func__);
  2182. err = -ENODEV;
  2183. goto err_out_free_hw;
  2184. }
  2185. if (qlcnic_read_mac_addr(adapter))
  2186. dev_warn(&pdev->dev, "failed to read mac addr\n");
  2187. qlcnic_read_phys_port_id(adapter);
  2188. if (adapter->portnum == 0) {
  2189. qlcnic_get_board_name(adapter, board_name);
  2190. pr_info("%s: %s Board Chip rev 0x%x\n",
  2191. module_name(THIS_MODULE),
  2192. board_name, adapter->ahw->revision_id);
  2193. }
  2194. if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
  2195. !!qlcnic_use_msi)
  2196. dev_warn(&pdev->dev,
  2197. "Device does not support MSI interrupts\n");
  2198. if (qlcnic_82xx_check(adapter)) {
  2199. qlcnic_dcb_enable(adapter->dcb);
  2200. qlcnic_dcb_get_info(adapter->dcb);
  2201. err = qlcnic_setup_intr(adapter);
  2202. if (err) {
  2203. dev_err(&pdev->dev, "Failed to setup interrupt\n");
  2204. goto err_out_disable_msi;
  2205. }
  2206. }
  2207. err = qlcnic_get_act_pci_func(adapter);
  2208. if (err)
  2209. goto err_out_disable_mbx_intr;
  2210. if (adapter->portnum == 0)
  2211. qlcnic_set_drv_version(adapter);
  2212. err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
  2213. if (err)
  2214. goto err_out_disable_mbx_intr;
  2215. pci_set_drvdata(pdev, adapter);
  2216. if (qlcnic_82xx_check(adapter))
  2217. qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
  2218. FW_POLL_DELAY);
  2219. switch (adapter->ahw->port_type) {
  2220. case QLCNIC_GBE:
  2221. dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
  2222. adapter->netdev->name);
  2223. break;
  2224. case QLCNIC_XGBE:
  2225. dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
  2226. adapter->netdev->name);
  2227. break;
  2228. }
  2229. if (adapter->drv_mac_learn)
  2230. qlcnic_alloc_lb_filters_mem(adapter);
  2231. qlcnic_add_sysfs(adapter);
  2232. qlcnic_register_hwmon_dev(adapter);
  2233. return 0;
  2234. err_out_disable_mbx_intr:
  2235. if (qlcnic_83xx_check(adapter))
  2236. qlcnic_83xx_free_mbx_intr(adapter);
  2237. err_out_disable_msi:
  2238. qlcnic_teardown_intr(adapter);
  2239. qlcnic_cancel_idc_work(adapter);
  2240. qlcnic_clr_all_drv_state(adapter, 0);
  2241. err_out_free_hw:
  2242. qlcnic_free_adapter_resources(adapter);
  2243. err_out_free_wq:
  2244. destroy_workqueue(adapter->qlcnic_wq);
  2245. err_out_free_netdev:
  2246. free_netdev(netdev);
  2247. err_out_iounmap:
  2248. qlcnic_cleanup_pci_map(ahw);
  2249. err_out_free_hw_res:
  2250. kfree(ahw);
  2251. err_out_free_res:
  2252. pci_release_regions(pdev);
  2253. err_out_disable_pdev:
  2254. pci_disable_device(pdev);
  2255. return err;
  2256. err_out_maintenance_mode:
  2257. set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
  2258. netdev->netdev_ops = &qlcnic_netdev_failed_ops;
  2259. netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
  2260. ahw->port_type = QLCNIC_XGBE;
  2261. if (qlcnic_83xx_check(adapter))
  2262. adapter->tgt_status_reg = NULL;
  2263. else
  2264. ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
  2265. err = register_netdev(netdev);
  2266. if (err) {
  2267. dev_err(&pdev->dev, "Failed to register net device\n");
  2268. qlcnic_clr_all_drv_state(adapter, 0);
  2269. goto err_out_free_hw;
  2270. }
  2271. pci_set_drvdata(pdev, adapter);
  2272. qlcnic_add_sysfs(adapter);
  2273. return 0;
  2274. }
  2275. static void qlcnic_remove(struct pci_dev *pdev)
  2276. {
  2277. struct qlcnic_adapter *adapter;
  2278. struct net_device *netdev;
  2279. struct qlcnic_hardware_context *ahw;
  2280. adapter = pci_get_drvdata(pdev);
  2281. if (adapter == NULL)
  2282. return;
  2283. netdev = adapter->netdev;
  2284. qlcnic_cancel_idc_work(adapter);
  2285. qlcnic_sriov_pf_disable(adapter);
  2286. ahw = adapter->ahw;
  2287. unregister_netdev(netdev);
  2288. qlcnic_sriov_cleanup(adapter);
  2289. if (qlcnic_83xx_check(adapter)) {
  2290. qlcnic_83xx_initialize_nic(adapter, 0);
  2291. cancel_delayed_work_sync(&adapter->idc_aen_work);
  2292. qlcnic_83xx_free_mbx_intr(adapter);
  2293. qlcnic_83xx_detach_mailbox_work(adapter);
  2294. qlcnic_83xx_free_mailbox(ahw->mailbox);
  2295. kfree(ahw->fw_info);
  2296. }
  2297. qlcnic_dcb_free(adapter->dcb);
  2298. qlcnic_detach(adapter);
  2299. kfree(adapter->npars);
  2300. kfree(adapter->eswitch);
  2301. if (qlcnic_82xx_check(adapter))
  2302. qlcnic_clr_all_drv_state(adapter, 0);
  2303. clear_bit(__QLCNIC_RESETTING, &adapter->state);
  2304. qlcnic_free_lb_filters_mem(adapter);
  2305. qlcnic_teardown_intr(adapter);
  2306. qlcnic_remove_sysfs(adapter);
  2307. qlcnic_unregister_hwmon_dev(adapter);
  2308. qlcnic_cleanup_pci_map(adapter->ahw);
  2309. qlcnic_release_firmware(adapter);
  2310. pci_disable_pcie_error_reporting(pdev);
  2311. pci_release_regions(pdev);
  2312. pci_disable_device(pdev);
  2313. if (adapter->qlcnic_wq) {
  2314. destroy_workqueue(adapter->qlcnic_wq);
  2315. adapter->qlcnic_wq = NULL;
  2316. }
  2317. qlcnic_free_adapter_resources(adapter);
  2318. kfree(ahw);
  2319. free_netdev(netdev);
  2320. }
  2321. static void qlcnic_shutdown(struct pci_dev *pdev)
  2322. {
  2323. if (__qlcnic_shutdown(pdev))
  2324. return;
  2325. pci_disable_device(pdev);
  2326. }
  2327. #ifdef CONFIG_PM
  2328. static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
  2329. {
  2330. int retval;
  2331. retval = __qlcnic_shutdown(pdev);
  2332. if (retval)
  2333. return retval;
  2334. pci_set_power_state(pdev, pci_choose_state(pdev, state));
  2335. return 0;
  2336. }
  2337. static int qlcnic_resume(struct pci_dev *pdev)
  2338. {
  2339. struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
  2340. int err;
  2341. err = pci_enable_device(pdev);
  2342. if (err)
  2343. return err;
  2344. pci_set_power_state(pdev, PCI_D0);
  2345. pci_set_master(pdev);
  2346. pci_restore_state(pdev);
  2347. return __qlcnic_resume(adapter);
  2348. }
  2349. #endif
  2350. static int qlcnic_open(struct net_device *netdev)
  2351. {
  2352. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  2353. int err;
  2354. if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
  2355. netdev_err(netdev, "%s: Device is in non-operational state\n",
  2356. __func__);
  2357. return -EIO;
  2358. }
  2359. netif_carrier_off(netdev);
  2360. err = qlcnic_attach(adapter);
  2361. if (err)
  2362. return err;
  2363. err = __qlcnic_up(adapter, netdev);
  2364. if (err)
  2365. qlcnic_detach(adapter);
  2366. return err;
  2367. }
  2368. /*
  2369. * qlcnic_close - Disables a network interface entry point
  2370. */
  2371. static int qlcnic_close(struct net_device *netdev)
  2372. {
  2373. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  2374. __qlcnic_down(adapter, netdev);
  2375. return 0;
  2376. }
  2377. #define QLCNIC_VF_LB_BUCKET_SIZE 1
  2378. void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
  2379. {
  2380. void *head;
  2381. int i;
  2382. struct net_device *netdev = adapter->netdev;
  2383. u32 filter_size = 0;
  2384. u16 act_pci_func = 0;
  2385. if (adapter->fhash.fmax && adapter->fhash.fhead)
  2386. return;
  2387. act_pci_func = adapter->ahw->total_nic_func;
  2388. spin_lock_init(&adapter->mac_learn_lock);
  2389. spin_lock_init(&adapter->rx_mac_learn_lock);
  2390. if (qlcnic_sriov_vf_check(adapter)) {
  2391. filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
  2392. adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
  2393. } else if (qlcnic_82xx_check(adapter)) {
  2394. filter_size = QLCNIC_LB_MAX_FILTERS;
  2395. adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
  2396. } else {
  2397. filter_size = QLC_83XX_LB_MAX_FILTERS;
  2398. adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
  2399. }
  2400. head = kcalloc(adapter->fhash.fbucket_size,
  2401. sizeof(struct hlist_head), GFP_ATOMIC);
  2402. if (!head)
  2403. return;
  2404. adapter->fhash.fmax = (filter_size / act_pci_func);
  2405. adapter->fhash.fhead = head;
  2406. netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
  2407. act_pci_func, adapter->fhash.fmax);
  2408. for (i = 0; i < adapter->fhash.fbucket_size; i++)
  2409. INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
  2410. adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
  2411. head = kcalloc(adapter->rx_fhash.fbucket_size,
  2412. sizeof(struct hlist_head), GFP_ATOMIC);
  2413. if (!head)
  2414. return;
  2415. adapter->rx_fhash.fmax = (filter_size / act_pci_func);
  2416. adapter->rx_fhash.fhead = head;
  2417. for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
  2418. INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
  2419. }
  2420. static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
  2421. {
  2422. if (adapter->fhash.fmax)
  2423. kfree(adapter->fhash.fhead);
  2424. adapter->fhash.fhead = NULL;
  2425. adapter->fhash.fmax = 0;
  2426. if (adapter->rx_fhash.fmax)
  2427. kfree(adapter->rx_fhash.fhead);
  2428. adapter->rx_fhash.fmax = 0;
  2429. adapter->rx_fhash.fhead = NULL;
  2430. }
  2431. int qlcnic_check_temp(struct qlcnic_adapter *adapter)
  2432. {
  2433. struct net_device *netdev = adapter->netdev;
  2434. u32 temp_state, temp_val, temp = 0;
  2435. int rv = 0;
  2436. if (qlcnic_83xx_check(adapter))
  2437. temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
  2438. if (qlcnic_82xx_check(adapter))
  2439. temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
  2440. temp_state = qlcnic_get_temp_state(temp);
  2441. temp_val = qlcnic_get_temp_val(temp);
  2442. if (temp_state == QLCNIC_TEMP_PANIC) {
  2443. dev_err(&netdev->dev,
  2444. "Device temperature %d degrees C exceeds"
  2445. " maximum allowed. Hardware has been shut down.\n",
  2446. temp_val);
  2447. rv = 1;
  2448. } else if (temp_state == QLCNIC_TEMP_WARN) {
  2449. if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
  2450. dev_err(&netdev->dev,
  2451. "Device temperature %d degrees C "
  2452. "exceeds operating range."
  2453. " Immediate action needed.\n",
  2454. temp_val);
  2455. }
  2456. } else {
  2457. if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
  2458. dev_info(&netdev->dev,
  2459. "Device temperature is now %d degrees C"
  2460. " in normal range.\n", temp_val);
  2461. }
  2462. }
  2463. adapter->ahw->temp = temp_state;
  2464. return rv;
  2465. }
  2466. static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
  2467. {
  2468. int i;
  2469. struct cmd_desc_type0 *tx_desc_info;
  2470. for (i = 0; i < tx_ring->num_desc; i++) {
  2471. tx_desc_info = &tx_ring->desc_head[i];
  2472. pr_info("TX Desc: %d\n", i);
  2473. print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
  2474. &tx_ring->desc_head[i],
  2475. sizeof(struct cmd_desc_type0), true);
  2476. }
  2477. }
  2478. static void qlcnic_dump_rings(struct qlcnic_adapter *adapter)
  2479. {
  2480. struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
  2481. struct net_device *netdev = adapter->netdev;
  2482. struct qlcnic_host_rds_ring *rds_ring;
  2483. struct qlcnic_host_sds_ring *sds_ring;
  2484. struct qlcnic_host_tx_ring *tx_ring;
  2485. int ring;
  2486. if (!netdev || !netif_running(netdev))
  2487. return;
  2488. for (ring = 0; ring < adapter->max_rds_rings; ring++) {
  2489. rds_ring = &recv_ctx->rds_rings[ring];
  2490. if (!rds_ring)
  2491. continue;
  2492. netdev_info(netdev,
  2493. "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n",
  2494. ring, readl(rds_ring->crb_rcv_producer),
  2495. rds_ring->producer, rds_ring->num_desc);
  2496. }
  2497. for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
  2498. sds_ring = &(recv_ctx->sds_rings[ring]);
  2499. if (!sds_ring)
  2500. continue;
  2501. netdev_info(netdev,
  2502. "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n",
  2503. ring, readl(sds_ring->crb_sts_consumer),
  2504. sds_ring->consumer, readl(sds_ring->crb_intr_mask),
  2505. sds_ring->num_desc);
  2506. }
  2507. for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
  2508. tx_ring = &adapter->tx_ring[ring];
  2509. if (!tx_ring)
  2510. continue;
  2511. netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
  2512. ring, tx_ring->ctx_id);
  2513. netdev_info(netdev,
  2514. "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
  2515. tx_ring->tx_stats.xmit_finished,
  2516. tx_ring->tx_stats.xmit_called,
  2517. tx_ring->tx_stats.xmit_on,
  2518. tx_ring->tx_stats.xmit_off);
  2519. if (tx_ring->crb_intr_mask)
  2520. netdev_info(netdev, "crb_intr_mask=%d\n",
  2521. readl(tx_ring->crb_intr_mask));
  2522. netdev_info(netdev,
  2523. "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
  2524. readl(tx_ring->crb_cmd_producer),
  2525. tx_ring->producer, tx_ring->sw_consumer,
  2526. le32_to_cpu(*(tx_ring->hw_consumer)));
  2527. netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
  2528. tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
  2529. if (netif_msg_tx_err(adapter->ahw))
  2530. dump_tx_ring_desc(tx_ring);
  2531. }
  2532. }
  2533. static void qlcnic_tx_timeout(struct net_device *netdev)
  2534. {
  2535. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  2536. if (test_bit(__QLCNIC_RESETTING, &adapter->state))
  2537. return;
  2538. qlcnic_dump_rings(adapter);
  2539. if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS ||
  2540. netif_msg_tx_err(adapter->ahw)) {
  2541. netdev_err(netdev, "Tx timeout, reset the adapter.\n");
  2542. if (qlcnic_82xx_check(adapter))
  2543. adapter->need_fw_reset = 1;
  2544. else if (qlcnic_83xx_check(adapter))
  2545. qlcnic_83xx_idc_request_reset(adapter,
  2546. QLCNIC_FORCE_FW_DUMP_KEY);
  2547. } else {
  2548. netdev_err(netdev, "Tx timeout, reset adapter context.\n");
  2549. adapter->ahw->reset_context = 1;
  2550. }
  2551. }
  2552. static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
  2553. {
  2554. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  2555. struct net_device_stats *stats = &netdev->stats;
  2556. if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
  2557. qlcnic_update_stats(adapter);
  2558. stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
  2559. stats->tx_packets = adapter->stats.xmitfinished;
  2560. stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
  2561. stats->tx_bytes = adapter->stats.txbytes;
  2562. stats->rx_dropped = adapter->stats.rxdropped;
  2563. stats->tx_dropped = adapter->stats.txdropped;
  2564. return stats;
  2565. }
  2566. static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
  2567. {
  2568. u32 status;
  2569. status = readl(adapter->isr_int_vec);
  2570. if (!(status & adapter->ahw->int_vec_bit))
  2571. return IRQ_NONE;
  2572. /* check interrupt state machine, to be sure */
  2573. status = readl(adapter->crb_int_state_reg);
  2574. if (!ISR_LEGACY_INT_TRIGGERED(status))
  2575. return IRQ_NONE;
  2576. writel(0xffffffff, adapter->tgt_status_reg);
  2577. /* read twice to ensure write is flushed */
  2578. readl(adapter->isr_int_vec);
  2579. readl(adapter->isr_int_vec);
  2580. return IRQ_HANDLED;
  2581. }
  2582. static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
  2583. {
  2584. struct qlcnic_host_sds_ring *sds_ring = data;
  2585. struct qlcnic_adapter *adapter = sds_ring->adapter;
  2586. if (adapter->flags & QLCNIC_MSIX_ENABLED)
  2587. goto done;
  2588. else if (adapter->flags & QLCNIC_MSI_ENABLED) {
  2589. writel(0xffffffff, adapter->tgt_status_reg);
  2590. goto done;
  2591. }
  2592. if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
  2593. return IRQ_NONE;
  2594. done:
  2595. adapter->ahw->diag_cnt++;
  2596. qlcnic_enable_sds_intr(adapter, sds_ring);
  2597. return IRQ_HANDLED;
  2598. }
  2599. static irqreturn_t qlcnic_intr(int irq, void *data)
  2600. {
  2601. struct qlcnic_host_sds_ring *sds_ring = data;
  2602. struct qlcnic_adapter *adapter = sds_ring->adapter;
  2603. if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
  2604. return IRQ_NONE;
  2605. napi_schedule(&sds_ring->napi);
  2606. return IRQ_HANDLED;
  2607. }
  2608. static irqreturn_t qlcnic_msi_intr(int irq, void *data)
  2609. {
  2610. struct qlcnic_host_sds_ring *sds_ring = data;
  2611. struct qlcnic_adapter *adapter = sds_ring->adapter;
  2612. /* clear interrupt */
  2613. writel(0xffffffff, adapter->tgt_status_reg);
  2614. napi_schedule(&sds_ring->napi);
  2615. return IRQ_HANDLED;
  2616. }
  2617. static irqreturn_t qlcnic_msix_intr(int irq, void *data)
  2618. {
  2619. struct qlcnic_host_sds_ring *sds_ring = data;
  2620. napi_schedule(&sds_ring->napi);
  2621. return IRQ_HANDLED;
  2622. }
  2623. static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
  2624. {
  2625. struct qlcnic_host_tx_ring *tx_ring = data;
  2626. napi_schedule(&tx_ring->napi);
  2627. return IRQ_HANDLED;
  2628. }
  2629. #ifdef CONFIG_NET_POLL_CONTROLLER
  2630. static void qlcnic_poll_controller(struct net_device *netdev)
  2631. {
  2632. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  2633. struct qlcnic_host_sds_ring *sds_ring;
  2634. struct qlcnic_recv_context *recv_ctx;
  2635. struct qlcnic_host_tx_ring *tx_ring;
  2636. int ring;
  2637. if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
  2638. return;
  2639. recv_ctx = adapter->recv_ctx;
  2640. for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
  2641. sds_ring = &recv_ctx->sds_rings[ring];
  2642. qlcnic_disable_sds_intr(adapter, sds_ring);
  2643. napi_schedule(&sds_ring->napi);
  2644. }
  2645. if (adapter->flags & QLCNIC_MSIX_ENABLED) {
  2646. /* Only Multi-Tx queue capable devices need to
  2647. * schedule NAPI for TX rings
  2648. */
  2649. if ((qlcnic_83xx_check(adapter) &&
  2650. (adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
  2651. (qlcnic_82xx_check(adapter) &&
  2652. !qlcnic_check_multi_tx(adapter)))
  2653. return;
  2654. for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
  2655. tx_ring = &adapter->tx_ring[ring];
  2656. qlcnic_disable_tx_intr(adapter, tx_ring);
  2657. napi_schedule(&tx_ring->napi);
  2658. }
  2659. }
  2660. }
  2661. #endif
  2662. static void
  2663. qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
  2664. {
  2665. u32 val;
  2666. val = adapter->portnum & 0xf;
  2667. val |= encoding << 7;
  2668. val |= (jiffies - adapter->dev_rst_time) << 8;
  2669. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
  2670. adapter->dev_rst_time = jiffies;
  2671. }
  2672. static int
  2673. qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
  2674. {
  2675. u32 val;
  2676. WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
  2677. state != QLCNIC_DEV_NEED_QUISCENT);
  2678. if (qlcnic_api_lock(adapter))
  2679. return -EIO;
  2680. val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
  2681. if (state == QLCNIC_DEV_NEED_RESET)
  2682. QLC_DEV_SET_RST_RDY(val, adapter->portnum);
  2683. else if (state == QLCNIC_DEV_NEED_QUISCENT)
  2684. QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
  2685. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
  2686. qlcnic_api_unlock(adapter);
  2687. return 0;
  2688. }
  2689. static int
  2690. qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
  2691. {
  2692. u32 val;
  2693. if (qlcnic_api_lock(adapter))
  2694. return -EBUSY;
  2695. val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
  2696. QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
  2697. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
  2698. qlcnic_api_unlock(adapter);
  2699. return 0;
  2700. }
  2701. void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
  2702. {
  2703. u32 val;
  2704. if (qlcnic_api_lock(adapter))
  2705. goto err;
  2706. val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
  2707. QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
  2708. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
  2709. if (failed) {
  2710. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
  2711. QLCNIC_DEV_FAILED);
  2712. dev_info(&adapter->pdev->dev,
  2713. "Device state set to Failed. Please Reboot\n");
  2714. } else if (!(val & 0x11111111))
  2715. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
  2716. QLCNIC_DEV_COLD);
  2717. val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
  2718. QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
  2719. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
  2720. qlcnic_api_unlock(adapter);
  2721. err:
  2722. adapter->fw_fail_cnt = 0;
  2723. adapter->flags &= ~QLCNIC_FW_HANG;
  2724. clear_bit(__QLCNIC_START_FW, &adapter->state);
  2725. clear_bit(__QLCNIC_RESETTING, &adapter->state);
  2726. }
  2727. /* Grab api lock, before checking state */
  2728. static int
  2729. qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
  2730. {
  2731. int act, state, active_mask;
  2732. struct qlcnic_hardware_context *ahw = adapter->ahw;
  2733. state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
  2734. act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
  2735. if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
  2736. active_mask = (~(1 << (ahw->pci_func * 4)));
  2737. act = act & active_mask;
  2738. }
  2739. if (((state & 0x11111111) == (act & 0x11111111)) ||
  2740. ((act & 0x11111111) == ((state >> 1) & 0x11111111)))
  2741. return 0;
  2742. else
  2743. return 1;
  2744. }
  2745. static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
  2746. {
  2747. u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
  2748. if (val != QLCNIC_DRV_IDC_VER) {
  2749. dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
  2750. " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
  2751. }
  2752. return 0;
  2753. }
  2754. static int
  2755. qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
  2756. {
  2757. u32 val, prev_state;
  2758. u8 dev_init_timeo = adapter->dev_init_timeo;
  2759. u8 portnum = adapter->portnum;
  2760. u8 ret;
  2761. if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
  2762. return 1;
  2763. if (qlcnic_api_lock(adapter))
  2764. return -1;
  2765. val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
  2766. if (!(val & (1 << (portnum * 4)))) {
  2767. QLC_DEV_SET_REF_CNT(val, portnum);
  2768. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
  2769. }
  2770. prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
  2771. QLCDB(adapter, HW, "Device state = %u\n", prev_state);
  2772. switch (prev_state) {
  2773. case QLCNIC_DEV_COLD:
  2774. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
  2775. QLCNIC_DEV_INITIALIZING);
  2776. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
  2777. QLCNIC_DRV_IDC_VER);
  2778. qlcnic_idc_debug_info(adapter, 0);
  2779. qlcnic_api_unlock(adapter);
  2780. return 1;
  2781. case QLCNIC_DEV_READY:
  2782. ret = qlcnic_check_idc_ver(adapter);
  2783. qlcnic_api_unlock(adapter);
  2784. return ret;
  2785. case QLCNIC_DEV_NEED_RESET:
  2786. val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
  2787. QLC_DEV_SET_RST_RDY(val, portnum);
  2788. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
  2789. break;
  2790. case QLCNIC_DEV_NEED_QUISCENT:
  2791. val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
  2792. QLC_DEV_SET_QSCNT_RDY(val, portnum);
  2793. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
  2794. break;
  2795. case QLCNIC_DEV_FAILED:
  2796. dev_err(&adapter->pdev->dev, "Device in failed state.\n");
  2797. qlcnic_api_unlock(adapter);
  2798. return -1;
  2799. case QLCNIC_DEV_INITIALIZING:
  2800. case QLCNIC_DEV_QUISCENT:
  2801. break;
  2802. }
  2803. qlcnic_api_unlock(adapter);
  2804. do {
  2805. msleep(1000);
  2806. prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
  2807. if (prev_state == QLCNIC_DEV_QUISCENT)
  2808. continue;
  2809. } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
  2810. if (!dev_init_timeo) {
  2811. dev_err(&adapter->pdev->dev,
  2812. "Waiting for device to initialize timeout\n");
  2813. return -1;
  2814. }
  2815. if (qlcnic_api_lock(adapter))
  2816. return -1;
  2817. val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
  2818. QLC_DEV_CLR_RST_QSCNT(val, portnum);
  2819. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
  2820. ret = qlcnic_check_idc_ver(adapter);
  2821. qlcnic_api_unlock(adapter);
  2822. return ret;
  2823. }
  2824. static void
  2825. qlcnic_fwinit_work(struct work_struct *work)
  2826. {
  2827. struct qlcnic_adapter *adapter = container_of(work,
  2828. struct qlcnic_adapter, fw_work.work);
  2829. u32 dev_state = 0xf;
  2830. u32 val;
  2831. if (qlcnic_api_lock(adapter))
  2832. goto err_ret;
  2833. dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
  2834. if (dev_state == QLCNIC_DEV_QUISCENT ||
  2835. dev_state == QLCNIC_DEV_NEED_QUISCENT) {
  2836. qlcnic_api_unlock(adapter);
  2837. qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
  2838. FW_POLL_DELAY * 2);
  2839. return;
  2840. }
  2841. if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
  2842. qlcnic_api_unlock(adapter);
  2843. goto wait_npar;
  2844. }
  2845. if (dev_state == QLCNIC_DEV_INITIALIZING ||
  2846. dev_state == QLCNIC_DEV_READY) {
  2847. dev_info(&adapter->pdev->dev, "Detected state change from "
  2848. "DEV_NEED_RESET, skipping ack check\n");
  2849. goto skip_ack_check;
  2850. }
  2851. if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
  2852. dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
  2853. adapter->reset_ack_timeo);
  2854. goto skip_ack_check;
  2855. }
  2856. if (!qlcnic_check_drv_state(adapter)) {
  2857. skip_ack_check:
  2858. dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
  2859. if (dev_state == QLCNIC_DEV_NEED_RESET) {
  2860. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
  2861. QLCNIC_DEV_INITIALIZING);
  2862. set_bit(__QLCNIC_START_FW, &adapter->state);
  2863. QLCDB(adapter, DRV, "Restarting fw\n");
  2864. qlcnic_idc_debug_info(adapter, 0);
  2865. val = QLC_SHARED_REG_RD32(adapter,
  2866. QLCNIC_CRB_DRV_STATE);
  2867. QLC_DEV_SET_RST_RDY(val, adapter->portnum);
  2868. QLC_SHARED_REG_WR32(adapter,
  2869. QLCNIC_CRB_DRV_STATE, val);
  2870. }
  2871. qlcnic_api_unlock(adapter);
  2872. rtnl_lock();
  2873. if (qlcnic_check_fw_dump_state(adapter) &&
  2874. (adapter->flags & QLCNIC_FW_RESET_OWNER)) {
  2875. QLCDB(adapter, DRV, "Take FW dump\n");
  2876. qlcnic_dump_fw(adapter);
  2877. adapter->flags |= QLCNIC_FW_HANG;
  2878. }
  2879. rtnl_unlock();
  2880. adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
  2881. if (!adapter->nic_ops->start_firmware(adapter)) {
  2882. qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
  2883. adapter->fw_wait_cnt = 0;
  2884. return;
  2885. }
  2886. goto err_ret;
  2887. }
  2888. qlcnic_api_unlock(adapter);
  2889. wait_npar:
  2890. dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
  2891. QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
  2892. switch (dev_state) {
  2893. case QLCNIC_DEV_READY:
  2894. if (!qlcnic_start_firmware(adapter)) {
  2895. qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
  2896. adapter->fw_wait_cnt = 0;
  2897. return;
  2898. }
  2899. case QLCNIC_DEV_FAILED:
  2900. break;
  2901. default:
  2902. qlcnic_schedule_work(adapter,
  2903. qlcnic_fwinit_work, FW_POLL_DELAY);
  2904. return;
  2905. }
  2906. err_ret:
  2907. dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
  2908. "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
  2909. netif_device_attach(adapter->netdev);
  2910. qlcnic_clr_all_drv_state(adapter, 0);
  2911. }
  2912. static void
  2913. qlcnic_detach_work(struct work_struct *work)
  2914. {
  2915. struct qlcnic_adapter *adapter = container_of(work,
  2916. struct qlcnic_adapter, fw_work.work);
  2917. struct net_device *netdev = adapter->netdev;
  2918. u32 status;
  2919. netif_device_detach(netdev);
  2920. /* Dont grab rtnl lock during Quiscent mode */
  2921. if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
  2922. if (netif_running(netdev))
  2923. __qlcnic_down(adapter, netdev);
  2924. } else
  2925. qlcnic_down(adapter, netdev);
  2926. status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
  2927. if (status & QLCNIC_RCODE_FATAL_ERROR) {
  2928. dev_err(&adapter->pdev->dev,
  2929. "Detaching the device: peg halt status1=0x%x\n",
  2930. status);
  2931. if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
  2932. dev_err(&adapter->pdev->dev,
  2933. "On board active cooling fan failed. "
  2934. "Device has been halted.\n");
  2935. dev_err(&adapter->pdev->dev,
  2936. "Replace the adapter.\n");
  2937. }
  2938. goto err_ret;
  2939. }
  2940. if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
  2941. dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
  2942. adapter->ahw->temp);
  2943. goto err_ret;
  2944. }
  2945. /* Dont ack if this instance is the reset owner */
  2946. if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
  2947. if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
  2948. dev_err(&adapter->pdev->dev,
  2949. "Failed to set driver state,"
  2950. "detaching the device.\n");
  2951. goto err_ret;
  2952. }
  2953. }
  2954. adapter->fw_wait_cnt = 0;
  2955. qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
  2956. return;
  2957. err_ret:
  2958. netif_device_attach(netdev);
  2959. qlcnic_clr_all_drv_state(adapter, 1);
  2960. }
  2961. /*Transit NPAR state to NON Operational */
  2962. static void
  2963. qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
  2964. {
  2965. u32 state;
  2966. state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
  2967. if (state == QLCNIC_DEV_NPAR_NON_OPER)
  2968. return;
  2969. if (qlcnic_api_lock(adapter))
  2970. return;
  2971. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
  2972. QLCNIC_DEV_NPAR_NON_OPER);
  2973. qlcnic_api_unlock(adapter);
  2974. }
  2975. static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
  2976. u32 key)
  2977. {
  2978. u32 state, xg_val = 0, gb_val = 0;
  2979. qlcnic_xg_set_xg0_mask(xg_val);
  2980. qlcnic_xg_set_xg1_mask(xg_val);
  2981. QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
  2982. qlcnic_gb_set_gb0_mask(gb_val);
  2983. qlcnic_gb_set_gb1_mask(gb_val);
  2984. qlcnic_gb_set_gb2_mask(gb_val);
  2985. qlcnic_gb_set_gb3_mask(gb_val);
  2986. QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
  2987. dev_info(&adapter->pdev->dev, "Pause control frames disabled"
  2988. " on all ports\n");
  2989. adapter->need_fw_reset = 1;
  2990. if (qlcnic_api_lock(adapter))
  2991. return;
  2992. state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
  2993. if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
  2994. netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
  2995. __func__);
  2996. qlcnic_api_unlock(adapter);
  2997. return;
  2998. }
  2999. if (state == QLCNIC_DEV_READY) {
  3000. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
  3001. QLCNIC_DEV_NEED_RESET);
  3002. adapter->flags |= QLCNIC_FW_RESET_OWNER;
  3003. QLCDB(adapter, DRV, "NEED_RESET state set\n");
  3004. qlcnic_idc_debug_info(adapter, 0);
  3005. }
  3006. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
  3007. QLCNIC_DEV_NPAR_NON_OPER);
  3008. qlcnic_api_unlock(adapter);
  3009. }
  3010. /* Transit to NPAR READY state from NPAR NOT READY state */
  3011. static void
  3012. qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
  3013. {
  3014. if (qlcnic_api_lock(adapter))
  3015. return;
  3016. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
  3017. QLCNIC_DEV_NPAR_OPER);
  3018. QLCDB(adapter, DRV, "NPAR operational state set\n");
  3019. qlcnic_api_unlock(adapter);
  3020. }
  3021. void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
  3022. work_func_t func, int delay)
  3023. {
  3024. if (test_bit(__QLCNIC_AER, &adapter->state))
  3025. return;
  3026. INIT_DELAYED_WORK(&adapter->fw_work, func);
  3027. queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
  3028. round_jiffies_relative(delay));
  3029. }
  3030. static void
  3031. qlcnic_attach_work(struct work_struct *work)
  3032. {
  3033. struct qlcnic_adapter *adapter = container_of(work,
  3034. struct qlcnic_adapter, fw_work.work);
  3035. struct net_device *netdev = adapter->netdev;
  3036. u32 npar_state;
  3037. if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
  3038. npar_state = QLC_SHARED_REG_RD32(adapter,
  3039. QLCNIC_CRB_DEV_NPAR_STATE);
  3040. if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
  3041. qlcnic_clr_all_drv_state(adapter, 0);
  3042. else if (npar_state != QLCNIC_DEV_NPAR_OPER)
  3043. qlcnic_schedule_work(adapter, qlcnic_attach_work,
  3044. FW_POLL_DELAY);
  3045. else
  3046. goto attach;
  3047. QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
  3048. return;
  3049. }
  3050. attach:
  3051. qlcnic_dcb_get_info(adapter->dcb);
  3052. if (netif_running(netdev)) {
  3053. if (qlcnic_up(adapter, netdev))
  3054. goto done;
  3055. qlcnic_restore_indev_addr(netdev, NETDEV_UP);
  3056. }
  3057. done:
  3058. netif_device_attach(netdev);
  3059. adapter->fw_fail_cnt = 0;
  3060. adapter->flags &= ~QLCNIC_FW_HANG;
  3061. clear_bit(__QLCNIC_RESETTING, &adapter->state);
  3062. if (adapter->portnum == 0)
  3063. qlcnic_set_drv_version(adapter);
  3064. if (!qlcnic_clr_drv_state(adapter))
  3065. qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
  3066. FW_POLL_DELAY);
  3067. }
  3068. static int
  3069. qlcnic_check_health(struct qlcnic_adapter *adapter)
  3070. {
  3071. struct qlcnic_hardware_context *ahw = adapter->ahw;
  3072. struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
  3073. u32 state = 0, heartbeat;
  3074. u32 peg_status;
  3075. int err = 0;
  3076. if (qlcnic_check_temp(adapter))
  3077. goto detach;
  3078. if (adapter->need_fw_reset)
  3079. qlcnic_dev_request_reset(adapter, 0);
  3080. state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
  3081. if (state == QLCNIC_DEV_NEED_RESET) {
  3082. qlcnic_set_npar_non_operational(adapter);
  3083. adapter->need_fw_reset = 1;
  3084. } else if (state == QLCNIC_DEV_NEED_QUISCENT)
  3085. goto detach;
  3086. heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
  3087. if (heartbeat != adapter->heartbeat) {
  3088. adapter->heartbeat = heartbeat;
  3089. adapter->fw_fail_cnt = 0;
  3090. if (adapter->need_fw_reset)
  3091. goto detach;
  3092. if (ahw->reset_context && qlcnic_auto_fw_reset)
  3093. qlcnic_reset_hw_context(adapter);
  3094. return 0;
  3095. }
  3096. if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
  3097. return 0;
  3098. adapter->flags |= QLCNIC_FW_HANG;
  3099. qlcnic_dev_request_reset(adapter, 0);
  3100. if (qlcnic_auto_fw_reset)
  3101. clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
  3102. dev_err(&adapter->pdev->dev, "firmware hang detected\n");
  3103. peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
  3104. dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
  3105. "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
  3106. "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
  3107. "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
  3108. "PEG_NET_4_PC: 0x%x\n",
  3109. peg_status,
  3110. QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
  3111. QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
  3112. QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
  3113. QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
  3114. QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
  3115. QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
  3116. if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
  3117. dev_err(&adapter->pdev->dev,
  3118. "Firmware aborted with error code 0x00006700. "
  3119. "Device is being reset.\n");
  3120. detach:
  3121. adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
  3122. QLCNIC_DEV_NEED_RESET;
  3123. if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
  3124. &adapter->state)) {
  3125. qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
  3126. QLCDB(adapter, DRV, "fw recovery scheduled.\n");
  3127. } else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
  3128. adapter->flags & QLCNIC_FW_RESET_OWNER) {
  3129. qlcnic_dump_fw(adapter);
  3130. }
  3131. return 1;
  3132. }
  3133. void qlcnic_fw_poll_work(struct work_struct *work)
  3134. {
  3135. struct qlcnic_adapter *adapter = container_of(work,
  3136. struct qlcnic_adapter, fw_work.work);
  3137. if (test_bit(__QLCNIC_RESETTING, &adapter->state))
  3138. goto reschedule;
  3139. if (qlcnic_check_health(adapter))
  3140. return;
  3141. if (adapter->fhash.fnum)
  3142. qlcnic_prune_lb_filters(adapter);
  3143. reschedule:
  3144. qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
  3145. }
  3146. static int qlcnic_is_first_func(struct pci_dev *pdev)
  3147. {
  3148. struct pci_dev *oth_pdev;
  3149. int val = pdev->devfn;
  3150. while (val-- > 0) {
  3151. oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
  3152. (pdev->bus), pdev->bus->number,
  3153. PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
  3154. if (!oth_pdev)
  3155. continue;
  3156. if (oth_pdev->current_state != PCI_D3cold) {
  3157. pci_dev_put(oth_pdev);
  3158. return 0;
  3159. }
  3160. pci_dev_put(oth_pdev);
  3161. }
  3162. return 1;
  3163. }
  3164. static int qlcnic_attach_func(struct pci_dev *pdev)
  3165. {
  3166. int err, first_func;
  3167. struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
  3168. struct net_device *netdev = adapter->netdev;
  3169. pdev->error_state = pci_channel_io_normal;
  3170. err = pci_enable_device(pdev);
  3171. if (err)
  3172. return err;
  3173. pci_set_master(pdev);
  3174. pci_restore_state(pdev);
  3175. first_func = qlcnic_is_first_func(pdev);
  3176. if (qlcnic_api_lock(adapter))
  3177. return -EINVAL;
  3178. if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
  3179. adapter->need_fw_reset = 1;
  3180. set_bit(__QLCNIC_START_FW, &adapter->state);
  3181. QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
  3182. QLCNIC_DEV_INITIALIZING);
  3183. QLCDB(adapter, DRV, "Restarting fw\n");
  3184. }
  3185. qlcnic_api_unlock(adapter);
  3186. err = qlcnic_start_firmware(adapter);
  3187. if (err)
  3188. return err;
  3189. qlcnic_clr_drv_state(adapter);
  3190. kfree(adapter->msix_entries);
  3191. adapter->msix_entries = NULL;
  3192. err = qlcnic_setup_intr(adapter);
  3193. if (err) {
  3194. kfree(adapter->msix_entries);
  3195. netdev_err(netdev, "failed to setup interrupt\n");
  3196. return err;
  3197. }
  3198. if (netif_running(netdev)) {
  3199. err = qlcnic_attach(adapter);
  3200. if (err) {
  3201. qlcnic_clr_all_drv_state(adapter, 1);
  3202. clear_bit(__QLCNIC_AER, &adapter->state);
  3203. netif_device_attach(netdev);
  3204. return err;
  3205. }
  3206. err = qlcnic_up(adapter, netdev);
  3207. if (err)
  3208. goto done;
  3209. qlcnic_restore_indev_addr(netdev, NETDEV_UP);
  3210. }
  3211. done:
  3212. netif_device_attach(netdev);
  3213. return err;
  3214. }
  3215. static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
  3216. pci_channel_state_t state)
  3217. {
  3218. struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
  3219. struct net_device *netdev = adapter->netdev;
  3220. if (state == pci_channel_io_perm_failure)
  3221. return PCI_ERS_RESULT_DISCONNECT;
  3222. if (state == pci_channel_io_normal)
  3223. return PCI_ERS_RESULT_RECOVERED;
  3224. set_bit(__QLCNIC_AER, &adapter->state);
  3225. netif_device_detach(netdev);
  3226. cancel_delayed_work_sync(&adapter->fw_work);
  3227. if (netif_running(netdev))
  3228. qlcnic_down(adapter, netdev);
  3229. qlcnic_detach(adapter);
  3230. qlcnic_teardown_intr(adapter);
  3231. clear_bit(__QLCNIC_RESETTING, &adapter->state);
  3232. pci_save_state(pdev);
  3233. pci_disable_device(pdev);
  3234. return PCI_ERS_RESULT_NEED_RESET;
  3235. }
  3236. static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
  3237. {
  3238. pci_ers_result_t res;
  3239. rtnl_lock();
  3240. res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
  3241. PCI_ERS_RESULT_RECOVERED;
  3242. rtnl_unlock();
  3243. return res;
  3244. }
  3245. static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
  3246. {
  3247. u32 state;
  3248. struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
  3249. pci_cleanup_aer_uncorrect_error_status(pdev);
  3250. state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
  3251. if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
  3252. &adapter->state))
  3253. qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
  3254. FW_POLL_DELAY);
  3255. }
  3256. static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
  3257. pci_channel_state_t state)
  3258. {
  3259. struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
  3260. struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
  3261. if (hw_ops->io_error_detected) {
  3262. return hw_ops->io_error_detected(pdev, state);
  3263. } else {
  3264. dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
  3265. return PCI_ERS_RESULT_DISCONNECT;
  3266. }
  3267. }
  3268. static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
  3269. {
  3270. struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
  3271. struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
  3272. if (hw_ops->io_slot_reset) {
  3273. return hw_ops->io_slot_reset(pdev);
  3274. } else {
  3275. dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
  3276. return PCI_ERS_RESULT_DISCONNECT;
  3277. }
  3278. }
  3279. static void qlcnic_io_resume(struct pci_dev *pdev)
  3280. {
  3281. struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
  3282. struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
  3283. if (hw_ops->io_resume)
  3284. hw_ops->io_resume(pdev);
  3285. else
  3286. dev_err(&pdev->dev, "AER resume handler not registered.\n");
  3287. }
  3288. static int
  3289. qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
  3290. {
  3291. int err;
  3292. err = qlcnic_can_start_firmware(adapter);
  3293. if (err)
  3294. return err;
  3295. err = qlcnic_check_npar_opertional(adapter);
  3296. if (err)
  3297. return err;
  3298. err = qlcnic_initialize_nic(adapter);
  3299. if (err)
  3300. return err;
  3301. qlcnic_check_options(adapter);
  3302. err = qlcnic_set_eswitch_port_config(adapter);
  3303. if (err)
  3304. return err;
  3305. adapter->need_fw_reset = 0;
  3306. return err;
  3307. }
  3308. int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
  3309. int queue_type)
  3310. {
  3311. struct net_device *netdev = adapter->netdev;
  3312. u8 max_hw_rings = 0;
  3313. char buf[8];
  3314. int cur_rings;
  3315. if (queue_type == QLCNIC_RX_QUEUE) {
  3316. max_hw_rings = adapter->max_sds_rings;
  3317. cur_rings = adapter->drv_sds_rings;
  3318. strcpy(buf, "SDS");
  3319. } else if (queue_type == QLCNIC_TX_QUEUE) {
  3320. max_hw_rings = adapter->max_tx_rings;
  3321. cur_rings = adapter->drv_tx_rings;
  3322. strcpy(buf, "Tx");
  3323. }
  3324. if (!is_power_of_2(ring_cnt)) {
  3325. netdev_err(netdev, "%s rings value should be a power of 2\n",
  3326. buf);
  3327. return -EINVAL;
  3328. }
  3329. if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
  3330. !qlcnic_check_multi_tx(adapter)) {
  3331. netdev_err(netdev, "No Multi Tx queue support\n");
  3332. return -EINVAL;
  3333. }
  3334. if (ring_cnt > num_online_cpus()) {
  3335. netdev_err(netdev,
  3336. "%s value[%u] should not be higher than, number of online CPUs\n",
  3337. buf, num_online_cpus());
  3338. return -EINVAL;
  3339. }
  3340. return 0;
  3341. }
  3342. int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
  3343. {
  3344. struct net_device *netdev = adapter->netdev;
  3345. u8 tx_rings, rx_rings;
  3346. int err;
  3347. if (test_bit(__QLCNIC_RESETTING, &adapter->state))
  3348. return -EBUSY;
  3349. tx_rings = adapter->drv_tss_rings;
  3350. rx_rings = adapter->drv_rss_rings;
  3351. netif_device_detach(netdev);
  3352. err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
  3353. if (err)
  3354. goto done;
  3355. if (netif_running(netdev))
  3356. __qlcnic_down(adapter, netdev);
  3357. qlcnic_detach(adapter);
  3358. if (qlcnic_83xx_check(adapter)) {
  3359. qlcnic_83xx_free_mbx_intr(adapter);
  3360. qlcnic_83xx_enable_mbx_poll(adapter);
  3361. }
  3362. qlcnic_teardown_intr(adapter);
  3363. err = qlcnic_setup_intr(adapter);
  3364. if (err) {
  3365. kfree(adapter->msix_entries);
  3366. netdev_err(netdev, "failed to setup interrupt\n");
  3367. return err;
  3368. }
  3369. /* Check if we need to update real_num_{tx|rx}_queues because
  3370. * qlcnic_setup_intr() may change Tx/Rx rings size
  3371. */
  3372. if ((tx_rings != adapter->drv_tx_rings) ||
  3373. (rx_rings != adapter->drv_sds_rings)) {
  3374. err = qlcnic_set_real_num_queues(adapter,
  3375. adapter->drv_tx_rings,
  3376. adapter->drv_sds_rings);
  3377. if (err)
  3378. goto done;
  3379. }
  3380. if (qlcnic_83xx_check(adapter)) {
  3381. qlcnic_83xx_initialize_nic(adapter, 1);
  3382. err = qlcnic_83xx_setup_mbx_intr(adapter);
  3383. qlcnic_83xx_disable_mbx_poll(adapter);
  3384. if (err) {
  3385. dev_err(&adapter->pdev->dev,
  3386. "failed to setup mbx interrupt\n");
  3387. goto done;
  3388. }
  3389. }
  3390. if (netif_running(netdev)) {
  3391. err = qlcnic_attach(adapter);
  3392. if (err)
  3393. goto done;
  3394. err = __qlcnic_up(adapter, netdev);
  3395. if (err)
  3396. goto done;
  3397. qlcnic_restore_indev_addr(netdev, NETDEV_UP);
  3398. }
  3399. done:
  3400. netif_device_attach(netdev);
  3401. clear_bit(__QLCNIC_RESETTING, &adapter->state);
  3402. return err;
  3403. }
  3404. #ifdef CONFIG_INET
  3405. #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
  3406. static void
  3407. qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
  3408. struct net_device *dev, unsigned long event)
  3409. {
  3410. struct in_device *indev;
  3411. indev = in_dev_get(dev);
  3412. if (!indev)
  3413. return;
  3414. for_ifa(indev) {
  3415. switch (event) {
  3416. case NETDEV_UP:
  3417. qlcnic_config_ipaddr(adapter,
  3418. ifa->ifa_address, QLCNIC_IP_UP);
  3419. break;
  3420. case NETDEV_DOWN:
  3421. qlcnic_config_ipaddr(adapter,
  3422. ifa->ifa_address, QLCNIC_IP_DOWN);
  3423. break;
  3424. default:
  3425. break;
  3426. }
  3427. } endfor_ifa(indev);
  3428. in_dev_put(indev);
  3429. }
  3430. void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
  3431. {
  3432. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  3433. struct net_device *dev;
  3434. u16 vid;
  3435. qlcnic_config_indev_addr(adapter, netdev, event);
  3436. rcu_read_lock();
  3437. for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
  3438. dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
  3439. if (!dev)
  3440. continue;
  3441. qlcnic_config_indev_addr(adapter, dev, event);
  3442. }
  3443. rcu_read_unlock();
  3444. }
  3445. static int qlcnic_netdev_event(struct notifier_block *this,
  3446. unsigned long event, void *ptr)
  3447. {
  3448. struct qlcnic_adapter *adapter;
  3449. struct net_device *dev = netdev_notifier_info_to_dev(ptr);
  3450. recheck:
  3451. if (dev == NULL)
  3452. goto done;
  3453. if (is_vlan_dev(dev)) {
  3454. dev = vlan_dev_real_dev(dev);
  3455. goto recheck;
  3456. }
  3457. if (!is_qlcnic_netdev(dev))
  3458. goto done;
  3459. adapter = netdev_priv(dev);
  3460. if (!adapter)
  3461. goto done;
  3462. if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
  3463. goto done;
  3464. qlcnic_config_indev_addr(adapter, dev, event);
  3465. done:
  3466. return NOTIFY_DONE;
  3467. }
  3468. static int
  3469. qlcnic_inetaddr_event(struct notifier_block *this,
  3470. unsigned long event, void *ptr)
  3471. {
  3472. struct qlcnic_adapter *adapter;
  3473. struct net_device *dev;
  3474. struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
  3475. dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
  3476. recheck:
  3477. if (dev == NULL)
  3478. goto done;
  3479. if (is_vlan_dev(dev)) {
  3480. dev = vlan_dev_real_dev(dev);
  3481. goto recheck;
  3482. }
  3483. if (!is_qlcnic_netdev(dev))
  3484. goto done;
  3485. adapter = netdev_priv(dev);
  3486. if (!adapter)
  3487. goto done;
  3488. if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
  3489. goto done;
  3490. switch (event) {
  3491. case NETDEV_UP:
  3492. qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
  3493. break;
  3494. case NETDEV_DOWN:
  3495. qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
  3496. break;
  3497. default:
  3498. break;
  3499. }
  3500. done:
  3501. return NOTIFY_DONE;
  3502. }
  3503. static struct notifier_block qlcnic_netdev_cb = {
  3504. .notifier_call = qlcnic_netdev_event,
  3505. };
  3506. static struct notifier_block qlcnic_inetaddr_cb = {
  3507. .notifier_call = qlcnic_inetaddr_event,
  3508. };
  3509. #else
  3510. void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
  3511. { }
  3512. #endif
  3513. static const struct pci_error_handlers qlcnic_err_handler = {
  3514. .error_detected = qlcnic_io_error_detected,
  3515. .slot_reset = qlcnic_io_slot_reset,
  3516. .resume = qlcnic_io_resume,
  3517. };
  3518. static struct pci_driver qlcnic_driver = {
  3519. .name = qlcnic_driver_name,
  3520. .id_table = qlcnic_pci_tbl,
  3521. .probe = qlcnic_probe,
  3522. .remove = qlcnic_remove,
  3523. #ifdef CONFIG_PM
  3524. .suspend = qlcnic_suspend,
  3525. .resume = qlcnic_resume,
  3526. #endif
  3527. .shutdown = qlcnic_shutdown,
  3528. .err_handler = &qlcnic_err_handler,
  3529. #ifdef CONFIG_QLCNIC_SRIOV
  3530. .sriov_configure = qlcnic_pci_sriov_configure,
  3531. #endif
  3532. };
  3533. static int __init qlcnic_init_module(void)
  3534. {
  3535. int ret;
  3536. printk(KERN_INFO "%s\n", qlcnic_driver_string);
  3537. #ifdef CONFIG_INET
  3538. register_netdevice_notifier(&qlcnic_netdev_cb);
  3539. register_inetaddr_notifier(&qlcnic_inetaddr_cb);
  3540. #endif
  3541. ret = pci_register_driver(&qlcnic_driver);
  3542. if (ret) {
  3543. #ifdef CONFIG_INET
  3544. unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
  3545. unregister_netdevice_notifier(&qlcnic_netdev_cb);
  3546. #endif
  3547. }
  3548. return ret;
  3549. }
  3550. module_init(qlcnic_init_module);
  3551. static void __exit qlcnic_exit_module(void)
  3552. {
  3553. pci_unregister_driver(&qlcnic_driver);
  3554. #ifdef CONFIG_INET
  3555. unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
  3556. unregister_netdevice_notifier(&qlcnic_netdev_cb);
  3557. #endif
  3558. }
  3559. module_exit(qlcnic_exit_module);