qlcnic_sriov_pf.c 50 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/types.h>
  8. #include "qlcnic_sriov.h"
  9. #include "qlcnic.h"
  10. #define QLCNIC_SRIOV_VF_MAX_MAC 7
  11. #define QLC_VF_MIN_TX_RATE 100
  12. #define QLC_VF_MAX_TX_RATE 9999
  13. #define QLC_MAC_OPCODE_MASK 0x7
  14. #define QLC_VF_FLOOD_BIT BIT_16
  15. #define QLC_FLOOD_MODE 0x5
  16. #define QLC_SRIOV_ALLOW_VLAN0 BIT_19
  17. #define QLC_INTR_COAL_TYPE_MASK 0x7
  18. static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *, u8);
  19. struct qlcnic_sriov_cmd_handler {
  20. int (*fn) (struct qlcnic_bc_trans *, struct qlcnic_cmd_args *);
  21. };
  22. struct qlcnic_sriov_fw_cmd_handler {
  23. u32 cmd;
  24. int (*fn) (struct qlcnic_bc_trans *, struct qlcnic_cmd_args *);
  25. };
  26. static int qlcnic_sriov_pf_set_vport_info(struct qlcnic_adapter *adapter,
  27. struct qlcnic_info *npar_info,
  28. u16 vport_id)
  29. {
  30. struct qlcnic_cmd_args cmd;
  31. int err;
  32. if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO))
  33. return -ENOMEM;
  34. cmd.req.arg[1] = (vport_id << 16) | 0x1;
  35. cmd.req.arg[2] = npar_info->bit_offsets;
  36. cmd.req.arg[2] |= npar_info->min_tx_bw << 16;
  37. cmd.req.arg[3] = npar_info->max_tx_bw | (npar_info->max_tx_ques << 16);
  38. cmd.req.arg[4] = npar_info->max_tx_mac_filters;
  39. cmd.req.arg[4] |= npar_info->max_rx_mcast_mac_filters << 16;
  40. cmd.req.arg[5] = npar_info->max_rx_ucast_mac_filters |
  41. (npar_info->max_rx_ip_addr << 16);
  42. cmd.req.arg[6] = npar_info->max_rx_lro_flow |
  43. (npar_info->max_rx_status_rings << 16);
  44. cmd.req.arg[7] = npar_info->max_rx_buf_rings |
  45. (npar_info->max_rx_ques << 16);
  46. cmd.req.arg[8] = npar_info->max_tx_vlan_keys;
  47. cmd.req.arg[8] |= npar_info->max_local_ipv6_addrs << 16;
  48. cmd.req.arg[9] = npar_info->max_remote_ipv6_addrs;
  49. err = qlcnic_issue_cmd(adapter, &cmd);
  50. if (err)
  51. dev_err(&adapter->pdev->dev,
  52. "Failed to set vport info, err=%d\n", err);
  53. qlcnic_free_mbx_args(&cmd);
  54. return err;
  55. }
  56. static int qlcnic_sriov_pf_cal_res_limit(struct qlcnic_adapter *adapter,
  57. struct qlcnic_info *info, u16 func)
  58. {
  59. struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  60. struct qlcnic_resources *res = &sriov->ff_max;
  61. u16 num_macs = sriov->num_allowed_vlans + 1;
  62. int ret = -EIO, vpid, id;
  63. struct qlcnic_vport *vp;
  64. u32 num_vfs, max, temp;
  65. vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func);
  66. if (vpid < 0)
  67. return -EINVAL;
  68. num_vfs = sriov->num_vfs;
  69. max = num_vfs + 1;
  70. info->bit_offsets = 0xffff;
  71. info->max_tx_ques = res->num_tx_queues / max;
  72. if (qlcnic_83xx_pf_check(adapter))
  73. num_macs = QLCNIC_83XX_SRIOV_VF_MAX_MAC;
  74. info->max_rx_mcast_mac_filters = res->num_rx_mcast_mac_filters;
  75. if (adapter->ahw->pci_func == func) {
  76. info->min_tx_bw = 0;
  77. info->max_tx_bw = MAX_BW;
  78. temp = res->num_rx_ucast_mac_filters - num_macs * num_vfs;
  79. info->max_rx_ucast_mac_filters = temp;
  80. temp = res->num_tx_mac_filters - num_macs * num_vfs;
  81. info->max_tx_mac_filters = temp;
  82. temp = num_macs * num_vfs * QLCNIC_SRIOV_VF_MAX_MAC;
  83. temp = res->num_rx_mcast_mac_filters - temp;
  84. info->max_rx_mcast_mac_filters = temp;
  85. info->max_tx_ques = res->num_tx_queues - sriov->num_vfs;
  86. } else {
  87. id = qlcnic_sriov_func_to_index(adapter, func);
  88. if (id < 0)
  89. return id;
  90. vp = sriov->vf_info[id].vp;
  91. info->min_tx_bw = vp->min_tx_bw;
  92. info->max_tx_bw = vp->max_tx_bw;
  93. info->max_rx_ucast_mac_filters = num_macs;
  94. info->max_tx_mac_filters = num_macs;
  95. temp = num_macs * QLCNIC_SRIOV_VF_MAX_MAC;
  96. info->max_rx_mcast_mac_filters = temp;
  97. info->max_tx_ques = QLCNIC_SINGLE_RING;
  98. }
  99. info->max_rx_ip_addr = res->num_destip / max;
  100. info->max_rx_status_rings = res->num_rx_status_rings / max;
  101. info->max_rx_buf_rings = res->num_rx_buf_rings / max;
  102. info->max_rx_ques = res->num_rx_queues / max;
  103. info->max_rx_lro_flow = res->num_lro_flows_supported / max;
  104. info->max_tx_vlan_keys = res->num_txvlan_keys;
  105. info->max_local_ipv6_addrs = res->max_local_ipv6_addrs;
  106. info->max_remote_ipv6_addrs = res->max_remote_ipv6_addrs;
  107. ret = qlcnic_sriov_pf_set_vport_info(adapter, info, vpid);
  108. if (ret)
  109. return ret;
  110. return 0;
  111. }
  112. static void qlcnic_sriov_pf_set_ff_max_res(struct qlcnic_adapter *adapter,
  113. struct qlcnic_info *info)
  114. {
  115. struct qlcnic_resources *ff_max = &adapter->ahw->sriov->ff_max;
  116. ff_max->num_tx_mac_filters = info->max_tx_mac_filters;
  117. ff_max->num_rx_ucast_mac_filters = info->max_rx_ucast_mac_filters;
  118. ff_max->num_rx_mcast_mac_filters = info->max_rx_mcast_mac_filters;
  119. ff_max->num_txvlan_keys = info->max_tx_vlan_keys;
  120. ff_max->num_rx_queues = info->max_rx_ques;
  121. ff_max->num_tx_queues = info->max_tx_ques;
  122. ff_max->num_lro_flows_supported = info->max_rx_lro_flow;
  123. ff_max->num_destip = info->max_rx_ip_addr;
  124. ff_max->num_rx_buf_rings = info->max_rx_buf_rings;
  125. ff_max->num_rx_status_rings = info->max_rx_status_rings;
  126. ff_max->max_remote_ipv6_addrs = info->max_remote_ipv6_addrs;
  127. ff_max->max_local_ipv6_addrs = info->max_local_ipv6_addrs;
  128. }
  129. static void qlcnic_sriov_set_vf_max_vlan(struct qlcnic_adapter *adapter,
  130. struct qlcnic_info *npar_info)
  131. {
  132. struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  133. int temp, total_fn;
  134. temp = npar_info->max_rx_mcast_mac_filters;
  135. total_fn = sriov->num_vfs + 1;
  136. temp = temp / (QLCNIC_SRIOV_VF_MAX_MAC * total_fn);
  137. sriov->num_allowed_vlans = temp - 1;
  138. if (qlcnic_83xx_pf_check(adapter))
  139. sriov->num_allowed_vlans = 1;
  140. netdev_info(adapter->netdev, "Max Guest VLANs supported per VF = %d\n",
  141. sriov->num_allowed_vlans);
  142. }
  143. static int qlcnic_sriov_get_pf_info(struct qlcnic_adapter *adapter,
  144. struct qlcnic_info *npar_info)
  145. {
  146. int err;
  147. struct qlcnic_cmd_args cmd;
  148. if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO))
  149. return -ENOMEM;
  150. cmd.req.arg[1] = 0x2;
  151. err = qlcnic_issue_cmd(adapter, &cmd);
  152. if (err) {
  153. dev_err(&adapter->pdev->dev,
  154. "Failed to get PF info, err=%d\n", err);
  155. goto out;
  156. }
  157. npar_info->total_pf = cmd.rsp.arg[2] & 0xff;
  158. npar_info->total_rss_engines = (cmd.rsp.arg[2] >> 8) & 0xff;
  159. npar_info->max_vports = MSW(cmd.rsp.arg[2]);
  160. npar_info->max_tx_ques = LSW(cmd.rsp.arg[3]);
  161. npar_info->max_tx_mac_filters = MSW(cmd.rsp.arg[3]);
  162. npar_info->max_rx_mcast_mac_filters = LSW(cmd.rsp.arg[4]);
  163. npar_info->max_rx_ucast_mac_filters = MSW(cmd.rsp.arg[4]);
  164. npar_info->max_rx_ip_addr = LSW(cmd.rsp.arg[5]);
  165. npar_info->max_rx_lro_flow = MSW(cmd.rsp.arg[5]);
  166. npar_info->max_rx_status_rings = LSW(cmd.rsp.arg[6]);
  167. npar_info->max_rx_buf_rings = MSW(cmd.rsp.arg[6]);
  168. npar_info->max_rx_ques = LSW(cmd.rsp.arg[7]);
  169. npar_info->max_tx_vlan_keys = MSW(cmd.rsp.arg[7]);
  170. npar_info->max_local_ipv6_addrs = LSW(cmd.rsp.arg[8]);
  171. npar_info->max_remote_ipv6_addrs = MSW(cmd.rsp.arg[8]);
  172. qlcnic_sriov_set_vf_max_vlan(adapter, npar_info);
  173. qlcnic_sriov_pf_set_ff_max_res(adapter, npar_info);
  174. dev_info(&adapter->pdev->dev,
  175. "\n\ttotal_pf: %d,\n"
  176. "\n\ttotal_rss_engines: %d max_vports: %d max_tx_ques %d,\n"
  177. "\tmax_tx_mac_filters: %d max_rx_mcast_mac_filters: %d,\n"
  178. "\tmax_rx_ucast_mac_filters: 0x%x, max_rx_ip_addr: %d,\n"
  179. "\tmax_rx_lro_flow: %d max_rx_status_rings: %d,\n"
  180. "\tmax_rx_buf_rings: %d, max_rx_ques: %d, max_tx_vlan_keys %d\n"
  181. "\tmax_local_ipv6_addrs: %d, max_remote_ipv6_addrs: %d\n",
  182. npar_info->total_pf, npar_info->total_rss_engines,
  183. npar_info->max_vports, npar_info->max_tx_ques,
  184. npar_info->max_tx_mac_filters,
  185. npar_info->max_rx_mcast_mac_filters,
  186. npar_info->max_rx_ucast_mac_filters, npar_info->max_rx_ip_addr,
  187. npar_info->max_rx_lro_flow, npar_info->max_rx_status_rings,
  188. npar_info->max_rx_buf_rings, npar_info->max_rx_ques,
  189. npar_info->max_tx_vlan_keys, npar_info->max_local_ipv6_addrs,
  190. npar_info->max_remote_ipv6_addrs);
  191. out:
  192. qlcnic_free_mbx_args(&cmd);
  193. return err;
  194. }
  195. static void qlcnic_sriov_pf_reset_vport_handle(struct qlcnic_adapter *adapter,
  196. u8 func)
  197. {
  198. struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  199. struct qlcnic_vport *vp;
  200. int index;
  201. if (adapter->ahw->pci_func == func) {
  202. sriov->vp_handle = 0;
  203. } else {
  204. index = qlcnic_sriov_func_to_index(adapter, func);
  205. if (index < 0)
  206. return;
  207. vp = sriov->vf_info[index].vp;
  208. vp->handle = 0;
  209. }
  210. }
  211. static void qlcnic_sriov_pf_set_vport_handle(struct qlcnic_adapter *adapter,
  212. u16 vport_handle, u8 func)
  213. {
  214. struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  215. struct qlcnic_vport *vp;
  216. int index;
  217. if (adapter->ahw->pci_func == func) {
  218. sriov->vp_handle = vport_handle;
  219. } else {
  220. index = qlcnic_sriov_func_to_index(adapter, func);
  221. if (index < 0)
  222. return;
  223. vp = sriov->vf_info[index].vp;
  224. vp->handle = vport_handle;
  225. }
  226. }
  227. static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *adapter,
  228. u8 func)
  229. {
  230. struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  231. struct qlcnic_vf_info *vf_info;
  232. int index;
  233. if (adapter->ahw->pci_func == func) {
  234. return sriov->vp_handle;
  235. } else {
  236. index = qlcnic_sriov_func_to_index(adapter, func);
  237. if (index >= 0) {
  238. vf_info = &sriov->vf_info[index];
  239. return vf_info->vp->handle;
  240. }
  241. }
  242. return -EINVAL;
  243. }
  244. static int qlcnic_sriov_pf_config_vport(struct qlcnic_adapter *adapter,
  245. u8 flag, u16 func)
  246. {
  247. struct qlcnic_cmd_args cmd;
  248. int ret;
  249. int vpid;
  250. if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_VPORT))
  251. return -ENOMEM;
  252. if (flag) {
  253. cmd.req.arg[3] = func << 8;
  254. } else {
  255. vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func);
  256. if (vpid < 0) {
  257. ret = -EINVAL;
  258. goto out;
  259. }
  260. cmd.req.arg[3] = ((vpid & 0xffff) << 8) | 1;
  261. }
  262. ret = qlcnic_issue_cmd(adapter, &cmd);
  263. if (ret) {
  264. dev_err(&adapter->pdev->dev,
  265. "Failed %s vport, err %d for func 0x%x\n",
  266. (flag ? "enable" : "disable"), ret, func);
  267. goto out;
  268. }
  269. if (flag) {
  270. vpid = cmd.rsp.arg[2] & 0xffff;
  271. qlcnic_sriov_pf_set_vport_handle(adapter, vpid, func);
  272. } else {
  273. qlcnic_sriov_pf_reset_vport_handle(adapter, func);
  274. }
  275. out:
  276. qlcnic_free_mbx_args(&cmd);
  277. return ret;
  278. }
  279. static int qlcnic_sriov_pf_cfg_vlan_filtering(struct qlcnic_adapter *adapter,
  280. u8 enable)
  281. {
  282. struct qlcnic_cmd_args cmd;
  283. int err;
  284. err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
  285. if (err)
  286. return err;
  287. cmd.req.arg[1] = 0x4;
  288. if (enable) {
  289. adapter->flags |= QLCNIC_VLAN_FILTERING;
  290. cmd.req.arg[1] |= BIT_16;
  291. if (qlcnic_84xx_check(adapter))
  292. cmd.req.arg[1] |= QLC_SRIOV_ALLOW_VLAN0;
  293. } else {
  294. adapter->flags &= ~QLCNIC_VLAN_FILTERING;
  295. }
  296. err = qlcnic_issue_cmd(adapter, &cmd);
  297. if (err)
  298. dev_err(&adapter->pdev->dev,
  299. "Failed to configure VLAN filtering, err=%d\n", err);
  300. qlcnic_free_mbx_args(&cmd);
  301. return err;
  302. }
  303. /* On configuring VF flood bit, PFD will receive traffic from all VFs */
  304. static int qlcnic_sriov_pf_cfg_flood(struct qlcnic_adapter *adapter)
  305. {
  306. struct qlcnic_cmd_args cmd;
  307. int err;
  308. err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
  309. if (err)
  310. return err;
  311. cmd.req.arg[1] = QLC_FLOOD_MODE | QLC_VF_FLOOD_BIT;
  312. err = qlcnic_issue_cmd(adapter, &cmd);
  313. if (err)
  314. dev_err(&adapter->pdev->dev,
  315. "Failed to configure VF Flood bit on PF, err=%d\n",
  316. err);
  317. qlcnic_free_mbx_args(&cmd);
  318. return err;
  319. }
  320. static int qlcnic_sriov_pf_cfg_eswitch(struct qlcnic_adapter *adapter,
  321. u8 func, u8 enable)
  322. {
  323. struct qlcnic_cmd_args cmd;
  324. int err = -EIO;
  325. if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_TOGGLE_ESWITCH))
  326. return -ENOMEM;
  327. cmd.req.arg[0] |= (3 << 29);
  328. cmd.req.arg[1] = ((func & 0xf) << 2) | BIT_6 | BIT_1;
  329. if (enable)
  330. cmd.req.arg[1] |= BIT_0;
  331. err = qlcnic_issue_cmd(adapter, &cmd);
  332. if (err != QLCNIC_RCODE_SUCCESS) {
  333. dev_err(&adapter->pdev->dev,
  334. "Failed to enable sriov eswitch%d\n", err);
  335. err = -EIO;
  336. }
  337. qlcnic_free_mbx_args(&cmd);
  338. return err;
  339. }
  340. static void qlcnic_sriov_pf_del_flr_queue(struct qlcnic_adapter *adapter)
  341. {
  342. struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  343. struct qlcnic_back_channel *bc = &sriov->bc;
  344. int i;
  345. for (i = 0; i < sriov->num_vfs; i++)
  346. cancel_work_sync(&sriov->vf_info[i].flr_work);
  347. destroy_workqueue(bc->bc_flr_wq);
  348. }
  349. static int qlcnic_sriov_pf_create_flr_queue(struct qlcnic_adapter *adapter)
  350. {
  351. struct qlcnic_back_channel *bc = &adapter->ahw->sriov->bc;
  352. struct workqueue_struct *wq;
  353. wq = create_singlethread_workqueue("qlcnic-flr");
  354. if (wq == NULL) {
  355. dev_err(&adapter->pdev->dev, "Cannot create FLR workqueue\n");
  356. return -ENOMEM;
  357. }
  358. bc->bc_flr_wq = wq;
  359. return 0;
  360. }
  361. void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter)
  362. {
  363. u8 func = adapter->ahw->pci_func;
  364. if (!qlcnic_sriov_enable_check(adapter))
  365. return;
  366. qlcnic_sriov_pf_del_flr_queue(adapter);
  367. qlcnic_sriov_cfg_bc_intr(adapter, 0);
  368. qlcnic_sriov_pf_config_vport(adapter, 0, func);
  369. qlcnic_sriov_pf_cfg_eswitch(adapter, func, 0);
  370. qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 0);
  371. __qlcnic_sriov_cleanup(adapter);
  372. adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
  373. clear_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
  374. }
  375. void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter)
  376. {
  377. if (!qlcnic_sriov_pf_check(adapter))
  378. return;
  379. if (!qlcnic_sriov_enable_check(adapter))
  380. return;
  381. pci_disable_sriov(adapter->pdev);
  382. netdev_info(adapter->netdev,
  383. "SR-IOV is disabled successfully on port %d\n",
  384. adapter->portnum);
  385. }
  386. static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter)
  387. {
  388. struct net_device *netdev = adapter->netdev;
  389. if (pci_vfs_assigned(adapter->pdev)) {
  390. netdev_err(adapter->netdev,
  391. "SR-IOV VFs belonging to port %d are assigned to VMs. SR-IOV can not be disabled on this port\n",
  392. adapter->portnum);
  393. netdev_info(adapter->netdev,
  394. "Please detach SR-IOV VFs belonging to port %d from VMs, and then try to disable SR-IOV on this port\n",
  395. adapter->portnum);
  396. return -EPERM;
  397. }
  398. qlcnic_sriov_pf_disable(adapter);
  399. rtnl_lock();
  400. if (netif_running(netdev))
  401. __qlcnic_down(adapter, netdev);
  402. qlcnic_sriov_free_vlans(adapter);
  403. qlcnic_sriov_pf_cleanup(adapter);
  404. /* After disabling SRIOV re-init the driver in default mode
  405. configure opmode based on op_mode of function
  406. */
  407. if (qlcnic_83xx_configure_opmode(adapter)) {
  408. rtnl_unlock();
  409. return -EIO;
  410. }
  411. if (netif_running(netdev))
  412. __qlcnic_up(adapter, netdev);
  413. rtnl_unlock();
  414. return 0;
  415. }
  416. static int qlcnic_sriov_pf_init(struct qlcnic_adapter *adapter)
  417. {
  418. struct qlcnic_hardware_context *ahw = adapter->ahw;
  419. struct qlcnic_info nic_info, pf_info, vp_info;
  420. int err;
  421. u8 func = ahw->pci_func;
  422. if (!qlcnic_sriov_enable_check(adapter))
  423. return 0;
  424. err = qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 1);
  425. if (err)
  426. return err;
  427. if (qlcnic_84xx_check(adapter)) {
  428. err = qlcnic_sriov_pf_cfg_flood(adapter);
  429. if (err)
  430. goto disable_vlan_filtering;
  431. }
  432. err = qlcnic_sriov_pf_cfg_eswitch(adapter, func, 1);
  433. if (err)
  434. goto disable_vlan_filtering;
  435. err = qlcnic_sriov_pf_config_vport(adapter, 1, func);
  436. if (err)
  437. goto disable_eswitch;
  438. err = qlcnic_sriov_get_pf_info(adapter, &pf_info);
  439. if (err)
  440. goto delete_vport;
  441. err = qlcnic_get_nic_info(adapter, &nic_info, func);
  442. if (err)
  443. goto delete_vport;
  444. err = qlcnic_sriov_pf_cal_res_limit(adapter, &vp_info, func);
  445. if (err)
  446. goto delete_vport;
  447. err = qlcnic_sriov_cfg_bc_intr(adapter, 1);
  448. if (err)
  449. goto delete_vport;
  450. ahw->physical_port = (u8) nic_info.phys_port;
  451. ahw->switch_mode = nic_info.switch_mode;
  452. ahw->max_mtu = nic_info.max_mtu;
  453. ahw->capabilities = nic_info.capabilities;
  454. ahw->nic_mode = QLC_83XX_SRIOV_MODE;
  455. return err;
  456. delete_vport:
  457. qlcnic_sriov_pf_config_vport(adapter, 0, func);
  458. disable_eswitch:
  459. qlcnic_sriov_pf_cfg_eswitch(adapter, func, 0);
  460. disable_vlan_filtering:
  461. qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 0);
  462. return err;
  463. }
  464. static int qlcnic_sriov_pf_enable(struct qlcnic_adapter *adapter, int num_vfs)
  465. {
  466. int err;
  467. if (!qlcnic_sriov_enable_check(adapter))
  468. return 0;
  469. err = pci_enable_sriov(adapter->pdev, num_vfs);
  470. if (err)
  471. qlcnic_sriov_pf_cleanup(adapter);
  472. return err;
  473. }
  474. static int __qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter,
  475. int num_vfs)
  476. {
  477. int err = 0;
  478. set_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
  479. adapter->ahw->op_mode = QLCNIC_SRIOV_PF_FUNC;
  480. err = qlcnic_sriov_init(adapter, num_vfs);
  481. if (err)
  482. goto clear_op_mode;
  483. err = qlcnic_sriov_pf_create_flr_queue(adapter);
  484. if (err)
  485. goto sriov_cleanup;
  486. err = qlcnic_sriov_pf_init(adapter);
  487. if (err)
  488. goto del_flr_queue;
  489. qlcnic_sriov_alloc_vlans(adapter);
  490. return err;
  491. del_flr_queue:
  492. qlcnic_sriov_pf_del_flr_queue(adapter);
  493. sriov_cleanup:
  494. __qlcnic_sriov_cleanup(adapter);
  495. clear_op_mode:
  496. clear_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
  497. adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
  498. return err;
  499. }
  500. static int qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, int num_vfs)
  501. {
  502. struct net_device *netdev = adapter->netdev;
  503. int err;
  504. if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
  505. netdev_err(netdev,
  506. "SR-IOV cannot be enabled, when legacy interrupts are enabled\n");
  507. return -EIO;
  508. }
  509. rtnl_lock();
  510. if (netif_running(netdev))
  511. __qlcnic_down(adapter, netdev);
  512. err = __qlcnic_pci_sriov_enable(adapter, num_vfs);
  513. if (err)
  514. goto error;
  515. if (netif_running(netdev))
  516. __qlcnic_up(adapter, netdev);
  517. rtnl_unlock();
  518. err = qlcnic_sriov_pf_enable(adapter, num_vfs);
  519. if (!err) {
  520. netdev_info(netdev,
  521. "SR-IOV is enabled successfully on port %d\n",
  522. adapter->portnum);
  523. /* Return number of vfs enabled */
  524. return num_vfs;
  525. }
  526. rtnl_lock();
  527. if (netif_running(netdev))
  528. __qlcnic_down(adapter, netdev);
  529. error:
  530. if (!qlcnic_83xx_configure_opmode(adapter)) {
  531. if (netif_running(netdev))
  532. __qlcnic_up(adapter, netdev);
  533. }
  534. rtnl_unlock();
  535. netdev_info(netdev, "Failed to enable SR-IOV on port %d\n",
  536. adapter->portnum);
  537. return err;
  538. }
  539. int qlcnic_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
  540. {
  541. struct qlcnic_adapter *adapter = pci_get_drvdata(dev);
  542. int err;
  543. if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
  544. return -EBUSY;
  545. if (num_vfs == 0)
  546. err = qlcnic_pci_sriov_disable(adapter);
  547. else
  548. err = qlcnic_pci_sriov_enable(adapter, num_vfs);
  549. clear_bit(__QLCNIC_RESETTING, &adapter->state);
  550. return err;
  551. }
  552. static int qlcnic_sriov_set_vf_acl(struct qlcnic_adapter *adapter, u8 func)
  553. {
  554. struct qlcnic_cmd_args cmd;
  555. struct qlcnic_vport *vp;
  556. int err, id;
  557. u8 *mac;
  558. id = qlcnic_sriov_func_to_index(adapter, func);
  559. if (id < 0)
  560. return id;
  561. vp = adapter->ahw->sriov->vf_info[id].vp;
  562. err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
  563. if (err)
  564. return err;
  565. cmd.req.arg[1] = 0x3 | func << 16;
  566. if (vp->spoofchk == true) {
  567. mac = vp->mac;
  568. cmd.req.arg[2] |= BIT_1 | BIT_3 | BIT_8;
  569. cmd.req.arg[4] = mac[5] | mac[4] << 8 | mac[3] << 16 |
  570. mac[2] << 24;
  571. cmd.req.arg[5] = mac[1] | mac[0] << 8;
  572. }
  573. if (vp->vlan_mode == QLC_PVID_MODE) {
  574. cmd.req.arg[2] |= BIT_6;
  575. cmd.req.arg[3] |= vp->pvid << 8;
  576. }
  577. err = qlcnic_issue_cmd(adapter, &cmd);
  578. if (err)
  579. dev_err(&adapter->pdev->dev, "Failed to set ACL, err=%d\n",
  580. err);
  581. qlcnic_free_mbx_args(&cmd);
  582. return err;
  583. }
  584. static int qlcnic_sriov_set_vf_vport_info(struct qlcnic_adapter *adapter,
  585. u16 func)
  586. {
  587. struct qlcnic_info defvp_info;
  588. int err;
  589. err = qlcnic_sriov_pf_cal_res_limit(adapter, &defvp_info, func);
  590. if (err)
  591. return -EIO;
  592. err = qlcnic_sriov_set_vf_acl(adapter, func);
  593. if (err)
  594. return err;
  595. return 0;
  596. }
  597. static int qlcnic_sriov_pf_channel_cfg_cmd(struct qlcnic_bc_trans *trans,
  598. struct qlcnic_cmd_args *cmd)
  599. {
  600. struct qlcnic_vf_info *vf = trans->vf;
  601. struct qlcnic_vport *vp = vf->vp;
  602. struct qlcnic_adapter *adapter;
  603. struct qlcnic_sriov *sriov;
  604. u16 func = vf->pci_func;
  605. size_t size;
  606. int err;
  607. adapter = vf->adapter;
  608. sriov = adapter->ahw->sriov;
  609. if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) {
  610. err = qlcnic_sriov_pf_config_vport(adapter, 1, func);
  611. if (!err) {
  612. err = qlcnic_sriov_set_vf_vport_info(adapter, func);
  613. if (err)
  614. qlcnic_sriov_pf_config_vport(adapter, 0, func);
  615. }
  616. } else {
  617. if (vp->vlan_mode == QLC_GUEST_VLAN_MODE) {
  618. size = sizeof(*vf->sriov_vlans);
  619. size = size * sriov->num_allowed_vlans;
  620. memset(vf->sriov_vlans, 0, size);
  621. }
  622. err = qlcnic_sriov_pf_config_vport(adapter, 0, func);
  623. }
  624. if (err)
  625. goto err_out;
  626. cmd->rsp.arg[0] |= (1 << 25);
  627. if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT)
  628. set_bit(QLC_BC_VF_STATE, &vf->state);
  629. else
  630. clear_bit(QLC_BC_VF_STATE, &vf->state);
  631. return err;
  632. err_out:
  633. cmd->rsp.arg[0] |= (2 << 25);
  634. return err;
  635. }
  636. static int qlcnic_sriov_cfg_vf_def_mac(struct qlcnic_adapter *adapter,
  637. struct qlcnic_vf_info *vf,
  638. u16 vlan, u8 op)
  639. {
  640. struct qlcnic_cmd_args *cmd;
  641. struct qlcnic_macvlan_mbx mv;
  642. struct qlcnic_vport *vp;
  643. u8 *addr;
  644. int err;
  645. u32 *buf;
  646. int vpid;
  647. vp = vf->vp;
  648. cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
  649. if (!cmd)
  650. return -ENOMEM;
  651. err = qlcnic_alloc_mbx_args(cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN);
  652. if (err)
  653. goto free_cmd;
  654. cmd->type = QLC_83XX_MBX_CMD_NO_WAIT;
  655. vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func);
  656. if (vpid < 0) {
  657. err = -EINVAL;
  658. goto free_args;
  659. }
  660. if (vlan)
  661. op = ((op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
  662. QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL);
  663. cmd->req.arg[1] = op | (1 << 8) | (3 << 6);
  664. cmd->req.arg[1] |= ((vpid & 0xffff) << 16) | BIT_31;
  665. addr = vp->mac;
  666. mv.vlan = vlan;
  667. mv.mac_addr0 = addr[0];
  668. mv.mac_addr1 = addr[1];
  669. mv.mac_addr2 = addr[2];
  670. mv.mac_addr3 = addr[3];
  671. mv.mac_addr4 = addr[4];
  672. mv.mac_addr5 = addr[5];
  673. buf = &cmd->req.arg[2];
  674. memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx));
  675. err = qlcnic_issue_cmd(adapter, cmd);
  676. if (!err)
  677. return err;
  678. free_args:
  679. qlcnic_free_mbx_args(cmd);
  680. free_cmd:
  681. kfree(cmd);
  682. return err;
  683. }
  684. static int qlcnic_sriov_validate_create_rx_ctx(struct qlcnic_cmd_args *cmd)
  685. {
  686. if ((cmd->req.arg[0] >> 29) != 0x3)
  687. return -EINVAL;
  688. return 0;
  689. }
  690. static void qlcnic_83xx_cfg_default_mac_vlan(struct qlcnic_adapter *adapter,
  691. struct qlcnic_vf_info *vf,
  692. int opcode)
  693. {
  694. struct qlcnic_sriov *sriov;
  695. u16 vlan;
  696. int i;
  697. sriov = adapter->ahw->sriov;
  698. spin_lock_bh(&vf->vlan_list_lock);
  699. if (vf->num_vlan) {
  700. for (i = 0; i < sriov->num_allowed_vlans; i++) {
  701. vlan = vf->sriov_vlans[i];
  702. if (vlan)
  703. qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan,
  704. opcode);
  705. }
  706. }
  707. spin_unlock_bh(&vf->vlan_list_lock);
  708. if (vf->vp->vlan_mode != QLC_PVID_MODE) {
  709. if (qlcnic_83xx_pf_check(adapter) &&
  710. qlcnic_sriov_check_any_vlan(vf))
  711. return;
  712. qlcnic_sriov_cfg_vf_def_mac(adapter, vf, 0, opcode);
  713. }
  714. }
  715. static int qlcnic_sriov_pf_create_rx_ctx_cmd(struct qlcnic_bc_trans *tran,
  716. struct qlcnic_cmd_args *cmd)
  717. {
  718. struct qlcnic_vf_info *vf = tran->vf;
  719. struct qlcnic_adapter *adapter = vf->adapter;
  720. struct qlcnic_rcv_mbx_out *mbx_out;
  721. int err;
  722. err = qlcnic_sriov_validate_create_rx_ctx(cmd);
  723. if (err) {
  724. cmd->rsp.arg[0] |= (0x6 << 25);
  725. return err;
  726. }
  727. cmd->req.arg[6] = vf->vp->handle;
  728. err = qlcnic_issue_cmd(adapter, cmd);
  729. if (!err) {
  730. mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd->rsp.arg[1];
  731. vf->rx_ctx_id = mbx_out->ctx_id;
  732. qlcnic_83xx_cfg_default_mac_vlan(adapter, vf, QLCNIC_MAC_ADD);
  733. } else {
  734. vf->rx_ctx_id = 0;
  735. }
  736. return err;
  737. }
  738. static int qlcnic_sriov_pf_mac_address_cmd(struct qlcnic_bc_trans *trans,
  739. struct qlcnic_cmd_args *cmd)
  740. {
  741. struct qlcnic_vf_info *vf = trans->vf;
  742. u8 type, *mac;
  743. type = cmd->req.arg[1];
  744. switch (type) {
  745. case QLCNIC_SET_STATION_MAC:
  746. case QLCNIC_SET_FAC_DEF_MAC:
  747. cmd->rsp.arg[0] = (2 << 25);
  748. break;
  749. case QLCNIC_GET_CURRENT_MAC:
  750. cmd->rsp.arg[0] = (1 << 25);
  751. mac = vf->vp->mac;
  752. cmd->rsp.arg[2] = mac[1] | ((mac[0] << 8) & 0xff00);
  753. cmd->rsp.arg[1] = mac[5] | ((mac[4] << 8) & 0xff00) |
  754. ((mac[3]) << 16 & 0xff0000) |
  755. ((mac[2]) << 24 & 0xff000000);
  756. }
  757. return 0;
  758. }
  759. static int qlcnic_sriov_validate_create_tx_ctx(struct qlcnic_cmd_args *cmd)
  760. {
  761. if ((cmd->req.arg[0] >> 29) != 0x3)
  762. return -EINVAL;
  763. return 0;
  764. }
  765. static int qlcnic_sriov_pf_create_tx_ctx_cmd(struct qlcnic_bc_trans *trans,
  766. struct qlcnic_cmd_args *cmd)
  767. {
  768. struct qlcnic_vf_info *vf = trans->vf;
  769. struct qlcnic_adapter *adapter = vf->adapter;
  770. struct qlcnic_tx_mbx_out *mbx_out;
  771. int err;
  772. err = qlcnic_sriov_validate_create_tx_ctx(cmd);
  773. if (err) {
  774. cmd->rsp.arg[0] |= (0x6 << 25);
  775. return err;
  776. }
  777. cmd->req.arg[5] |= vf->vp->handle << 16;
  778. err = qlcnic_issue_cmd(adapter, cmd);
  779. if (!err) {
  780. mbx_out = (struct qlcnic_tx_mbx_out *)&cmd->rsp.arg[2];
  781. vf->tx_ctx_id = mbx_out->ctx_id;
  782. } else {
  783. vf->tx_ctx_id = 0;
  784. }
  785. return err;
  786. }
  787. static int qlcnic_sriov_validate_del_rx_ctx(struct qlcnic_vf_info *vf,
  788. struct qlcnic_cmd_args *cmd)
  789. {
  790. if ((cmd->req.arg[0] >> 29) != 0x3)
  791. return -EINVAL;
  792. if ((cmd->req.arg[1] & 0xffff) != vf->rx_ctx_id)
  793. return -EINVAL;
  794. return 0;
  795. }
  796. static int qlcnic_sriov_pf_del_rx_ctx_cmd(struct qlcnic_bc_trans *trans,
  797. struct qlcnic_cmd_args *cmd)
  798. {
  799. struct qlcnic_vf_info *vf = trans->vf;
  800. struct qlcnic_adapter *adapter = vf->adapter;
  801. int err;
  802. err = qlcnic_sriov_validate_del_rx_ctx(vf, cmd);
  803. if (err) {
  804. cmd->rsp.arg[0] |= (0x6 << 25);
  805. return err;
  806. }
  807. qlcnic_83xx_cfg_default_mac_vlan(adapter, vf, QLCNIC_MAC_DEL);
  808. cmd->req.arg[1] |= vf->vp->handle << 16;
  809. err = qlcnic_issue_cmd(adapter, cmd);
  810. if (!err)
  811. vf->rx_ctx_id = 0;
  812. return err;
  813. }
  814. static int qlcnic_sriov_validate_del_tx_ctx(struct qlcnic_vf_info *vf,
  815. struct qlcnic_cmd_args *cmd)
  816. {
  817. if ((cmd->req.arg[0] >> 29) != 0x3)
  818. return -EINVAL;
  819. if ((cmd->req.arg[1] & 0xffff) != vf->tx_ctx_id)
  820. return -EINVAL;
  821. return 0;
  822. }
  823. static int qlcnic_sriov_pf_del_tx_ctx_cmd(struct qlcnic_bc_trans *trans,
  824. struct qlcnic_cmd_args *cmd)
  825. {
  826. struct qlcnic_vf_info *vf = trans->vf;
  827. struct qlcnic_adapter *adapter = vf->adapter;
  828. int err;
  829. err = qlcnic_sriov_validate_del_tx_ctx(vf, cmd);
  830. if (err) {
  831. cmd->rsp.arg[0] |= (0x6 << 25);
  832. return err;
  833. }
  834. cmd->req.arg[1] |= vf->vp->handle << 16;
  835. err = qlcnic_issue_cmd(adapter, cmd);
  836. if (!err)
  837. vf->tx_ctx_id = 0;
  838. return err;
  839. }
  840. static int qlcnic_sriov_validate_cfg_lro(struct qlcnic_vf_info *vf,
  841. struct qlcnic_cmd_args *cmd)
  842. {
  843. if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id)
  844. return -EINVAL;
  845. return 0;
  846. }
  847. static int qlcnic_sriov_pf_cfg_lro_cmd(struct qlcnic_bc_trans *trans,
  848. struct qlcnic_cmd_args *cmd)
  849. {
  850. struct qlcnic_vf_info *vf = trans->vf;
  851. struct qlcnic_adapter *adapter = vf->adapter;
  852. int err;
  853. err = qlcnic_sriov_validate_cfg_lro(vf, cmd);
  854. if (err) {
  855. cmd->rsp.arg[0] |= (0x6 << 25);
  856. return err;
  857. }
  858. err = qlcnic_issue_cmd(adapter, cmd);
  859. return err;
  860. }
  861. static int qlcnic_sriov_pf_cfg_ip_cmd(struct qlcnic_bc_trans *trans,
  862. struct qlcnic_cmd_args *cmd)
  863. {
  864. struct qlcnic_vf_info *vf = trans->vf;
  865. struct qlcnic_adapter *adapter = vf->adapter;
  866. int err = -EIO;
  867. u8 op;
  868. op = cmd->req.arg[1] & 0xff;
  869. cmd->req.arg[1] |= vf->vp->handle << 16;
  870. cmd->req.arg[1] |= BIT_31;
  871. err = qlcnic_issue_cmd(adapter, cmd);
  872. return err;
  873. }
  874. static int qlcnic_sriov_validate_cfg_intrpt(struct qlcnic_vf_info *vf,
  875. struct qlcnic_cmd_args *cmd)
  876. {
  877. if (((cmd->req.arg[1] >> 8) & 0xff) != vf->pci_func)
  878. return -EINVAL;
  879. if (!(cmd->req.arg[1] & BIT_16))
  880. return -EINVAL;
  881. if ((cmd->req.arg[1] & 0xff) != 0x1)
  882. return -EINVAL;
  883. return 0;
  884. }
  885. static int qlcnic_sriov_pf_cfg_intrpt_cmd(struct qlcnic_bc_trans *trans,
  886. struct qlcnic_cmd_args *cmd)
  887. {
  888. struct qlcnic_vf_info *vf = trans->vf;
  889. struct qlcnic_adapter *adapter = vf->adapter;
  890. int err;
  891. err = qlcnic_sriov_validate_cfg_intrpt(vf, cmd);
  892. if (err)
  893. cmd->rsp.arg[0] |= (0x6 << 25);
  894. else
  895. err = qlcnic_issue_cmd(adapter, cmd);
  896. return err;
  897. }
  898. static int qlcnic_sriov_validate_mtu(struct qlcnic_adapter *adapter,
  899. struct qlcnic_vf_info *vf,
  900. struct qlcnic_cmd_args *cmd)
  901. {
  902. if (cmd->req.arg[1] != vf->rx_ctx_id)
  903. return -EINVAL;
  904. if (cmd->req.arg[2] > adapter->ahw->max_mtu)
  905. return -EINVAL;
  906. return 0;
  907. }
  908. static int qlcnic_sriov_pf_set_mtu_cmd(struct qlcnic_bc_trans *trans,
  909. struct qlcnic_cmd_args *cmd)
  910. {
  911. struct qlcnic_vf_info *vf = trans->vf;
  912. struct qlcnic_adapter *adapter = vf->adapter;
  913. int err;
  914. err = qlcnic_sriov_validate_mtu(adapter, vf, cmd);
  915. if (err)
  916. cmd->rsp.arg[0] |= (0x6 << 25);
  917. else
  918. err = qlcnic_issue_cmd(adapter, cmd);
  919. return err;
  920. }
  921. static int qlcnic_sriov_validate_get_nic_info(struct qlcnic_vf_info *vf,
  922. struct qlcnic_cmd_args *cmd)
  923. {
  924. if (cmd->req.arg[1] & BIT_31) {
  925. if (((cmd->req.arg[1] >> 16) & 0x7fff) != vf->pci_func)
  926. return -EINVAL;
  927. } else {
  928. cmd->req.arg[1] |= vf->vp->handle << 16;
  929. }
  930. return 0;
  931. }
  932. static int qlcnic_sriov_pf_get_nic_info_cmd(struct qlcnic_bc_trans *trans,
  933. struct qlcnic_cmd_args *cmd)
  934. {
  935. struct qlcnic_vf_info *vf = trans->vf;
  936. struct qlcnic_adapter *adapter = vf->adapter;
  937. int err;
  938. err = qlcnic_sriov_validate_get_nic_info(vf, cmd);
  939. if (err) {
  940. cmd->rsp.arg[0] |= (0x6 << 25);
  941. return err;
  942. }
  943. err = qlcnic_issue_cmd(adapter, cmd);
  944. return err;
  945. }
  946. static int qlcnic_sriov_validate_cfg_rss(struct qlcnic_vf_info *vf,
  947. struct qlcnic_cmd_args *cmd)
  948. {
  949. if (cmd->req.arg[1] != vf->rx_ctx_id)
  950. return -EINVAL;
  951. return 0;
  952. }
  953. static int qlcnic_sriov_pf_cfg_rss_cmd(struct qlcnic_bc_trans *trans,
  954. struct qlcnic_cmd_args *cmd)
  955. {
  956. struct qlcnic_vf_info *vf = trans->vf;
  957. struct qlcnic_adapter *adapter = vf->adapter;
  958. int err;
  959. err = qlcnic_sriov_validate_cfg_rss(vf, cmd);
  960. if (err)
  961. cmd->rsp.arg[0] |= (0x6 << 25);
  962. else
  963. err = qlcnic_issue_cmd(adapter, cmd);
  964. return err;
  965. }
  966. static int qlcnic_sriov_validate_cfg_intrcoal(struct qlcnic_adapter *adapter,
  967. struct qlcnic_vf_info *vf,
  968. struct qlcnic_cmd_args *cmd)
  969. {
  970. struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
  971. u16 ctx_id, pkts, time;
  972. int err = -EINVAL;
  973. u8 type;
  974. type = cmd->req.arg[1] & QLC_INTR_COAL_TYPE_MASK;
  975. ctx_id = cmd->req.arg[1] >> 16;
  976. pkts = cmd->req.arg[2] & 0xffff;
  977. time = cmd->req.arg[2] >> 16;
  978. switch (type) {
  979. case QLCNIC_INTR_COAL_TYPE_RX:
  980. if (ctx_id != vf->rx_ctx_id || pkts > coal->rx_packets ||
  981. time < coal->rx_time_us)
  982. goto err_label;
  983. break;
  984. case QLCNIC_INTR_COAL_TYPE_TX:
  985. if (ctx_id != vf->tx_ctx_id || pkts > coal->tx_packets ||
  986. time < coal->tx_time_us)
  987. goto err_label;
  988. break;
  989. default:
  990. netdev_err(adapter->netdev, "Invalid coalescing type 0x%x received\n",
  991. type);
  992. return err;
  993. }
  994. return 0;
  995. err_label:
  996. netdev_err(adapter->netdev, "Expected: rx_ctx_id 0x%x rx_packets 0x%x rx_time_us 0x%x tx_ctx_id 0x%x tx_packets 0x%x tx_time_us 0x%x\n",
  997. vf->rx_ctx_id, coal->rx_packets, coal->rx_time_us,
  998. vf->tx_ctx_id, coal->tx_packets, coal->tx_time_us);
  999. netdev_err(adapter->netdev, "Received: ctx_id 0x%x packets 0x%x time_us 0x%x type 0x%x\n",
  1000. ctx_id, pkts, time, type);
  1001. return err;
  1002. }
  1003. static int qlcnic_sriov_pf_cfg_intrcoal_cmd(struct qlcnic_bc_trans *tran,
  1004. struct qlcnic_cmd_args *cmd)
  1005. {
  1006. struct qlcnic_vf_info *vf = tran->vf;
  1007. struct qlcnic_adapter *adapter = vf->adapter;
  1008. int err;
  1009. err = qlcnic_sriov_validate_cfg_intrcoal(adapter, vf, cmd);
  1010. if (err) {
  1011. cmd->rsp.arg[0] |= (0x6 << 25);
  1012. return err;
  1013. }
  1014. err = qlcnic_issue_cmd(adapter, cmd);
  1015. return err;
  1016. }
  1017. static int qlcnic_sriov_validate_cfg_macvlan(struct qlcnic_adapter *adapter,
  1018. struct qlcnic_vf_info *vf,
  1019. struct qlcnic_cmd_args *cmd)
  1020. {
  1021. struct qlcnic_vport *vp = vf->vp;
  1022. u8 op, new_op;
  1023. if (!(cmd->req.arg[1] & BIT_8))
  1024. return -EINVAL;
  1025. cmd->req.arg[1] |= (vf->vp->handle << 16);
  1026. cmd->req.arg[1] |= BIT_31;
  1027. if (vp->vlan_mode == QLC_PVID_MODE) {
  1028. op = cmd->req.arg[1] & 0x7;
  1029. cmd->req.arg[1] &= ~0x7;
  1030. new_op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
  1031. QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL;
  1032. cmd->req.arg[3] |= vp->pvid << 16;
  1033. cmd->req.arg[1] |= new_op;
  1034. }
  1035. return 0;
  1036. }
  1037. static int qlcnic_sriov_pf_cfg_macvlan_cmd(struct qlcnic_bc_trans *trans,
  1038. struct qlcnic_cmd_args *cmd)
  1039. {
  1040. struct qlcnic_vf_info *vf = trans->vf;
  1041. struct qlcnic_adapter *adapter = vf->adapter;
  1042. int err;
  1043. err = qlcnic_sriov_validate_cfg_macvlan(adapter, vf, cmd);
  1044. if (err) {
  1045. cmd->rsp.arg[0] |= (0x6 << 25);
  1046. return err;
  1047. }
  1048. err = qlcnic_issue_cmd(adapter, cmd);
  1049. return err;
  1050. }
  1051. static int qlcnic_sriov_validate_linkevent(struct qlcnic_vf_info *vf,
  1052. struct qlcnic_cmd_args *cmd)
  1053. {
  1054. if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id)
  1055. return -EINVAL;
  1056. return 0;
  1057. }
  1058. static int qlcnic_sriov_pf_linkevent_cmd(struct qlcnic_bc_trans *trans,
  1059. struct qlcnic_cmd_args *cmd)
  1060. {
  1061. struct qlcnic_vf_info *vf = trans->vf;
  1062. struct qlcnic_adapter *adapter = vf->adapter;
  1063. int err;
  1064. err = qlcnic_sriov_validate_linkevent(vf, cmd);
  1065. if (err) {
  1066. cmd->rsp.arg[0] |= (0x6 << 25);
  1067. return err;
  1068. }
  1069. err = qlcnic_issue_cmd(adapter, cmd);
  1070. return err;
  1071. }
  1072. static int qlcnic_sriov_pf_cfg_promisc_cmd(struct qlcnic_bc_trans *trans,
  1073. struct qlcnic_cmd_args *cmd)
  1074. {
  1075. struct qlcnic_vf_info *vf = trans->vf;
  1076. struct qlcnic_adapter *adapter = vf->adapter;
  1077. int err;
  1078. cmd->req.arg[1] |= vf->vp->handle << 16;
  1079. cmd->req.arg[1] |= BIT_31;
  1080. err = qlcnic_issue_cmd(adapter, cmd);
  1081. return err;
  1082. }
  1083. static int qlcnic_sriov_pf_get_acl_cmd(struct qlcnic_bc_trans *trans,
  1084. struct qlcnic_cmd_args *cmd)
  1085. {
  1086. struct qlcnic_vf_info *vf = trans->vf;
  1087. struct qlcnic_vport *vp = vf->vp;
  1088. u8 cmd_op, mode = vp->vlan_mode;
  1089. struct qlcnic_adapter *adapter;
  1090. struct qlcnic_sriov *sriov;
  1091. adapter = vf->adapter;
  1092. sriov = adapter->ahw->sriov;
  1093. cmd_op = trans->req_hdr->cmd_op;
  1094. cmd->rsp.arg[0] |= 1 << 25;
  1095. /* For 84xx adapter in case of PVID , PFD should send vlan mode as
  1096. * QLC_NO_VLAN_MODE to VFD which is zero in mailbox response
  1097. */
  1098. if (qlcnic_84xx_check(adapter) && mode == QLC_PVID_MODE)
  1099. return 0;
  1100. switch (mode) {
  1101. case QLC_GUEST_VLAN_MODE:
  1102. cmd->rsp.arg[1] = mode | 1 << 8;
  1103. cmd->rsp.arg[2] = sriov->num_allowed_vlans << 16;
  1104. break;
  1105. case QLC_PVID_MODE:
  1106. cmd->rsp.arg[1] = mode | 1 << 8 | vp->pvid << 16;
  1107. break;
  1108. }
  1109. return 0;
  1110. }
  1111. static int qlcnic_sriov_pf_del_guest_vlan(struct qlcnic_adapter *adapter,
  1112. struct qlcnic_vf_info *vf,
  1113. struct qlcnic_cmd_args *cmd)
  1114. {
  1115. struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  1116. u16 vlan;
  1117. if (!qlcnic_sriov_check_any_vlan(vf))
  1118. return -EINVAL;
  1119. vlan = cmd->req.arg[1] >> 16;
  1120. if (!vf->rx_ctx_id) {
  1121. qlcnic_sriov_del_vlan_id(sriov, vf, vlan);
  1122. return 0;
  1123. }
  1124. qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan, QLCNIC_MAC_DEL);
  1125. qlcnic_sriov_del_vlan_id(sriov, vf, vlan);
  1126. if (qlcnic_83xx_pf_check(adapter))
  1127. qlcnic_sriov_cfg_vf_def_mac(adapter, vf,
  1128. 0, QLCNIC_MAC_ADD);
  1129. return 0;
  1130. }
  1131. static int qlcnic_sriov_pf_add_guest_vlan(struct qlcnic_adapter *adapter,
  1132. struct qlcnic_vf_info *vf,
  1133. struct qlcnic_cmd_args *cmd)
  1134. {
  1135. struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  1136. int err = -EIO;
  1137. u16 vlan;
  1138. if (qlcnic_83xx_pf_check(adapter) && qlcnic_sriov_check_any_vlan(vf))
  1139. return err;
  1140. vlan = cmd->req.arg[1] >> 16;
  1141. if (!vf->rx_ctx_id) {
  1142. qlcnic_sriov_add_vlan_id(sriov, vf, vlan);
  1143. return 0;
  1144. }
  1145. if (qlcnic_83xx_pf_check(adapter)) {
  1146. err = qlcnic_sriov_cfg_vf_def_mac(adapter, vf, 0,
  1147. QLCNIC_MAC_DEL);
  1148. if (err)
  1149. return err;
  1150. }
  1151. err = qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan, QLCNIC_MAC_ADD);
  1152. if (err) {
  1153. if (qlcnic_83xx_pf_check(adapter))
  1154. qlcnic_sriov_cfg_vf_def_mac(adapter, vf, 0,
  1155. QLCNIC_MAC_ADD);
  1156. return err;
  1157. }
  1158. qlcnic_sriov_add_vlan_id(sriov, vf, vlan);
  1159. return err;
  1160. }
  1161. static int qlcnic_sriov_pf_cfg_guest_vlan_cmd(struct qlcnic_bc_trans *tran,
  1162. struct qlcnic_cmd_args *cmd)
  1163. {
  1164. struct qlcnic_vf_info *vf = tran->vf;
  1165. struct qlcnic_adapter *adapter = vf->adapter;
  1166. struct qlcnic_vport *vp = vf->vp;
  1167. int err = -EIO;
  1168. u8 op;
  1169. if (vp->vlan_mode != QLC_GUEST_VLAN_MODE) {
  1170. cmd->rsp.arg[0] |= 2 << 25;
  1171. return err;
  1172. }
  1173. op = cmd->req.arg[1] & 0xf;
  1174. if (op)
  1175. err = qlcnic_sriov_pf_add_guest_vlan(adapter, vf, cmd);
  1176. else
  1177. err = qlcnic_sriov_pf_del_guest_vlan(adapter, vf, cmd);
  1178. cmd->rsp.arg[0] |= err ? 2 << 25 : 1 << 25;
  1179. return err;
  1180. }
  1181. static const int qlcnic_pf_passthru_supp_cmds[] = {
  1182. QLCNIC_CMD_GET_STATISTICS,
  1183. QLCNIC_CMD_GET_PORT_CONFIG,
  1184. QLCNIC_CMD_GET_LINK_STATUS,
  1185. QLCNIC_CMD_INIT_NIC_FUNC,
  1186. QLCNIC_CMD_STOP_NIC_FUNC,
  1187. };
  1188. static const struct qlcnic_sriov_cmd_handler qlcnic_pf_bc_cmd_hdlr[] = {
  1189. [QLCNIC_BC_CMD_CHANNEL_INIT] = {&qlcnic_sriov_pf_channel_cfg_cmd},
  1190. [QLCNIC_BC_CMD_CHANNEL_TERM] = {&qlcnic_sriov_pf_channel_cfg_cmd},
  1191. [QLCNIC_BC_CMD_GET_ACL] = {&qlcnic_sriov_pf_get_acl_cmd},
  1192. [QLCNIC_BC_CMD_CFG_GUEST_VLAN] = {&qlcnic_sriov_pf_cfg_guest_vlan_cmd},
  1193. };
  1194. static const struct qlcnic_sriov_fw_cmd_handler qlcnic_pf_fw_cmd_hdlr[] = {
  1195. {QLCNIC_CMD_CREATE_RX_CTX, qlcnic_sriov_pf_create_rx_ctx_cmd},
  1196. {QLCNIC_CMD_CREATE_TX_CTX, qlcnic_sriov_pf_create_tx_ctx_cmd},
  1197. {QLCNIC_CMD_MAC_ADDRESS, qlcnic_sriov_pf_mac_address_cmd},
  1198. {QLCNIC_CMD_DESTROY_RX_CTX, qlcnic_sriov_pf_del_rx_ctx_cmd},
  1199. {QLCNIC_CMD_DESTROY_TX_CTX, qlcnic_sriov_pf_del_tx_ctx_cmd},
  1200. {QLCNIC_CMD_CONFIGURE_HW_LRO, qlcnic_sriov_pf_cfg_lro_cmd},
  1201. {QLCNIC_CMD_CONFIGURE_IP_ADDR, qlcnic_sriov_pf_cfg_ip_cmd},
  1202. {QLCNIC_CMD_CONFIG_INTRPT, qlcnic_sriov_pf_cfg_intrpt_cmd},
  1203. {QLCNIC_CMD_SET_MTU, qlcnic_sriov_pf_set_mtu_cmd},
  1204. {QLCNIC_CMD_GET_NIC_INFO, qlcnic_sriov_pf_get_nic_info_cmd},
  1205. {QLCNIC_CMD_CONFIGURE_RSS, qlcnic_sriov_pf_cfg_rss_cmd},
  1206. {QLCNIC_CMD_CONFIG_INTR_COAL, qlcnic_sriov_pf_cfg_intrcoal_cmd},
  1207. {QLCNIC_CMD_CONFIG_MAC_VLAN, qlcnic_sriov_pf_cfg_macvlan_cmd},
  1208. {QLCNIC_CMD_GET_LINK_EVENT, qlcnic_sriov_pf_linkevent_cmd},
  1209. {QLCNIC_CMD_CONFIGURE_MAC_RX_MODE, qlcnic_sriov_pf_cfg_promisc_cmd},
  1210. };
  1211. void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *adapter,
  1212. struct qlcnic_bc_trans *trans,
  1213. struct qlcnic_cmd_args *cmd)
  1214. {
  1215. u8 size, cmd_op;
  1216. cmd_op = trans->req_hdr->cmd_op;
  1217. if (trans->req_hdr->op_type == QLC_BC_CMD) {
  1218. size = ARRAY_SIZE(qlcnic_pf_bc_cmd_hdlr);
  1219. if (cmd_op < size) {
  1220. qlcnic_pf_bc_cmd_hdlr[cmd_op].fn(trans, cmd);
  1221. return;
  1222. }
  1223. } else {
  1224. int i;
  1225. size = ARRAY_SIZE(qlcnic_pf_fw_cmd_hdlr);
  1226. for (i = 0; i < size; i++) {
  1227. if (cmd_op == qlcnic_pf_fw_cmd_hdlr[i].cmd) {
  1228. qlcnic_pf_fw_cmd_hdlr[i].fn(trans, cmd);
  1229. return;
  1230. }
  1231. }
  1232. size = ARRAY_SIZE(qlcnic_pf_passthru_supp_cmds);
  1233. for (i = 0; i < size; i++) {
  1234. if (cmd_op == qlcnic_pf_passthru_supp_cmds[i]) {
  1235. qlcnic_issue_cmd(adapter, cmd);
  1236. return;
  1237. }
  1238. }
  1239. }
  1240. cmd->rsp.arg[0] |= (0x9 << 25);
  1241. }
  1242. void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter,
  1243. u32 *int_id)
  1244. {
  1245. u16 vpid;
  1246. vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
  1247. adapter->ahw->pci_func);
  1248. *int_id |= vpid;
  1249. }
  1250. void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter,
  1251. u32 *int_id)
  1252. {
  1253. u16 vpid;
  1254. vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
  1255. adapter->ahw->pci_func);
  1256. *int_id |= vpid << 16;
  1257. }
  1258. void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter,
  1259. u32 *int_id)
  1260. {
  1261. int vpid;
  1262. vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
  1263. adapter->ahw->pci_func);
  1264. *int_id |= vpid << 16;
  1265. }
  1266. void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter,
  1267. u32 *int_id)
  1268. {
  1269. u16 vpid;
  1270. vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
  1271. adapter->ahw->pci_func);
  1272. *int_id |= vpid << 16;
  1273. }
  1274. void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter,
  1275. u32 *int_id)
  1276. {
  1277. u16 vpid;
  1278. vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
  1279. adapter->ahw->pci_func);
  1280. *int_id |= (vpid << 16) | BIT_31;
  1281. }
  1282. void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter,
  1283. u32 *int_id)
  1284. {
  1285. u16 vpid;
  1286. vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
  1287. adapter->ahw->pci_func);
  1288. *int_id |= (vpid << 16) | BIT_31;
  1289. }
  1290. void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter,
  1291. u32 *int_id)
  1292. {
  1293. u16 vpid;
  1294. vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
  1295. adapter->ahw->pci_func);
  1296. *int_id |= (vpid << 16) | BIT_31;
  1297. }
  1298. static void qlcnic_sriov_del_rx_ctx(struct qlcnic_adapter *adapter,
  1299. struct qlcnic_vf_info *vf)
  1300. {
  1301. struct qlcnic_cmd_args cmd;
  1302. int vpid;
  1303. if (!vf->rx_ctx_id)
  1304. return;
  1305. if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX))
  1306. return;
  1307. vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func);
  1308. if (vpid >= 0) {
  1309. cmd.req.arg[1] = vf->rx_ctx_id | (vpid & 0xffff) << 16;
  1310. if (qlcnic_issue_cmd(adapter, &cmd))
  1311. dev_err(&adapter->pdev->dev,
  1312. "Failed to delete Tx ctx in firmware for func 0x%x\n",
  1313. vf->pci_func);
  1314. else
  1315. vf->rx_ctx_id = 0;
  1316. }
  1317. qlcnic_free_mbx_args(&cmd);
  1318. }
  1319. static void qlcnic_sriov_del_tx_ctx(struct qlcnic_adapter *adapter,
  1320. struct qlcnic_vf_info *vf)
  1321. {
  1322. struct qlcnic_cmd_args cmd;
  1323. int vpid;
  1324. if (!vf->tx_ctx_id)
  1325. return;
  1326. if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX))
  1327. return;
  1328. vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func);
  1329. if (vpid >= 0) {
  1330. cmd.req.arg[1] |= vf->tx_ctx_id | (vpid & 0xffff) << 16;
  1331. if (qlcnic_issue_cmd(adapter, &cmd))
  1332. dev_err(&adapter->pdev->dev,
  1333. "Failed to delete Tx ctx in firmware for func 0x%x\n",
  1334. vf->pci_func);
  1335. else
  1336. vf->tx_ctx_id = 0;
  1337. }
  1338. qlcnic_free_mbx_args(&cmd);
  1339. }
  1340. static int qlcnic_sriov_add_act_list_irqsave(struct qlcnic_sriov *sriov,
  1341. struct qlcnic_vf_info *vf,
  1342. struct qlcnic_bc_trans *trans)
  1343. {
  1344. struct qlcnic_trans_list *t_list = &vf->rcv_act;
  1345. unsigned long flag;
  1346. spin_lock_irqsave(&t_list->lock, flag);
  1347. __qlcnic_sriov_add_act_list(sriov, vf, trans);
  1348. spin_unlock_irqrestore(&t_list->lock, flag);
  1349. return 0;
  1350. }
  1351. static void __qlcnic_sriov_process_flr(struct qlcnic_vf_info *vf)
  1352. {
  1353. struct qlcnic_adapter *adapter = vf->adapter;
  1354. qlcnic_sriov_cleanup_list(&vf->rcv_pend);
  1355. cancel_work_sync(&vf->trans_work);
  1356. qlcnic_sriov_cleanup_list(&vf->rcv_act);
  1357. if (test_bit(QLC_BC_VF_SOFT_FLR, &vf->state)) {
  1358. qlcnic_sriov_del_tx_ctx(adapter, vf);
  1359. qlcnic_sriov_del_rx_ctx(adapter, vf);
  1360. }
  1361. qlcnic_sriov_pf_config_vport(adapter, 0, vf->pci_func);
  1362. clear_bit(QLC_BC_VF_FLR, &vf->state);
  1363. if (test_bit(QLC_BC_VF_SOFT_FLR, &vf->state)) {
  1364. qlcnic_sriov_add_act_list_irqsave(adapter->ahw->sriov, vf,
  1365. vf->flr_trans);
  1366. clear_bit(QLC_BC_VF_SOFT_FLR, &vf->state);
  1367. vf->flr_trans = NULL;
  1368. }
  1369. }
  1370. static void qlcnic_sriov_pf_process_flr(struct work_struct *work)
  1371. {
  1372. struct qlcnic_vf_info *vf;
  1373. vf = container_of(work, struct qlcnic_vf_info, flr_work);
  1374. __qlcnic_sriov_process_flr(vf);
  1375. return;
  1376. }
  1377. static void qlcnic_sriov_schedule_flr(struct qlcnic_sriov *sriov,
  1378. struct qlcnic_vf_info *vf,
  1379. work_func_t func)
  1380. {
  1381. if (test_bit(__QLCNIC_RESETTING, &vf->adapter->state))
  1382. return;
  1383. INIT_WORK(&vf->flr_work, func);
  1384. queue_work(sriov->bc.bc_flr_wq, &vf->flr_work);
  1385. }
  1386. static void qlcnic_sriov_handle_soft_flr(struct qlcnic_adapter *adapter,
  1387. struct qlcnic_bc_trans *trans,
  1388. struct qlcnic_vf_info *vf)
  1389. {
  1390. struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  1391. set_bit(QLC_BC_VF_FLR, &vf->state);
  1392. clear_bit(QLC_BC_VF_STATE, &vf->state);
  1393. set_bit(QLC_BC_VF_SOFT_FLR, &vf->state);
  1394. vf->flr_trans = trans;
  1395. qlcnic_sriov_schedule_flr(sriov, vf, qlcnic_sriov_pf_process_flr);
  1396. netdev_info(adapter->netdev, "Software FLR for PCI func %d\n",
  1397. vf->pci_func);
  1398. }
  1399. bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter,
  1400. struct qlcnic_bc_trans *trans,
  1401. struct qlcnic_vf_info *vf)
  1402. {
  1403. struct qlcnic_bc_hdr *hdr = trans->req_hdr;
  1404. if ((hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) &&
  1405. (hdr->op_type == QLC_BC_CMD) &&
  1406. test_bit(QLC_BC_VF_STATE, &vf->state)) {
  1407. qlcnic_sriov_handle_soft_flr(adapter, trans, vf);
  1408. return true;
  1409. }
  1410. return false;
  1411. }
  1412. void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov,
  1413. struct qlcnic_vf_info *vf)
  1414. {
  1415. struct net_device *dev = vf->adapter->netdev;
  1416. struct qlcnic_vport *vp = vf->vp;
  1417. if (!test_and_clear_bit(QLC_BC_VF_STATE, &vf->state)) {
  1418. clear_bit(QLC_BC_VF_FLR, &vf->state);
  1419. return;
  1420. }
  1421. if (test_and_set_bit(QLC_BC_VF_FLR, &vf->state)) {
  1422. netdev_info(dev, "FLR for PCI func %d in progress\n",
  1423. vf->pci_func);
  1424. return;
  1425. }
  1426. if (vp->vlan_mode == QLC_GUEST_VLAN_MODE)
  1427. memset(vf->sriov_vlans, 0,
  1428. sizeof(*vf->sriov_vlans) * sriov->num_allowed_vlans);
  1429. qlcnic_sriov_schedule_flr(sriov, vf, qlcnic_sriov_pf_process_flr);
  1430. netdev_info(dev, "FLR received for PCI func %d\n", vf->pci_func);
  1431. }
  1432. void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter)
  1433. {
  1434. struct qlcnic_hardware_context *ahw = adapter->ahw;
  1435. struct qlcnic_sriov *sriov = ahw->sriov;
  1436. struct qlcnic_vf_info *vf;
  1437. u16 num_vfs = sriov->num_vfs;
  1438. int i;
  1439. for (i = 0; i < num_vfs; i++) {
  1440. vf = &sriov->vf_info[i];
  1441. vf->rx_ctx_id = 0;
  1442. vf->tx_ctx_id = 0;
  1443. cancel_work_sync(&vf->flr_work);
  1444. __qlcnic_sriov_process_flr(vf);
  1445. clear_bit(QLC_BC_VF_STATE, &vf->state);
  1446. }
  1447. qlcnic_sriov_pf_reset_vport_handle(adapter, ahw->pci_func);
  1448. QLCWRX(ahw, QLCNIC_MBX_INTR_ENBL, (ahw->num_msix - 1) << 8);
  1449. }
  1450. int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter)
  1451. {
  1452. struct qlcnic_hardware_context *ahw = adapter->ahw;
  1453. int err;
  1454. if (!qlcnic_sriov_enable_check(adapter))
  1455. return 0;
  1456. ahw->op_mode = QLCNIC_SRIOV_PF_FUNC;
  1457. err = qlcnic_sriov_pf_init(adapter);
  1458. if (err)
  1459. return err;
  1460. dev_info(&adapter->pdev->dev, "%s: op_mode %d\n",
  1461. __func__, ahw->op_mode);
  1462. return err;
  1463. }
  1464. int qlcnic_sriov_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
  1465. {
  1466. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  1467. struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  1468. int i, num_vfs;
  1469. struct qlcnic_vf_info *vf_info;
  1470. u8 *curr_mac;
  1471. if (!qlcnic_sriov_pf_check(adapter))
  1472. return -EOPNOTSUPP;
  1473. num_vfs = sriov->num_vfs;
  1474. if (!is_valid_ether_addr(mac) || vf >= num_vfs)
  1475. return -EINVAL;
  1476. if (ether_addr_equal(adapter->mac_addr, mac)) {
  1477. netdev_err(netdev, "MAC address is already in use by the PF\n");
  1478. return -EINVAL;
  1479. }
  1480. for (i = 0; i < num_vfs; i++) {
  1481. vf_info = &sriov->vf_info[i];
  1482. if (ether_addr_equal(vf_info->vp->mac, mac)) {
  1483. netdev_err(netdev,
  1484. "MAC address is already in use by VF %d\n",
  1485. i);
  1486. return -EINVAL;
  1487. }
  1488. }
  1489. vf_info = &sriov->vf_info[vf];
  1490. curr_mac = vf_info->vp->mac;
  1491. if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
  1492. netdev_err(netdev,
  1493. "MAC address change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n",
  1494. vf);
  1495. return -EOPNOTSUPP;
  1496. }
  1497. memcpy(curr_mac, mac, netdev->addr_len);
  1498. netdev_info(netdev, "MAC Address %pM is configured for VF %d\n",
  1499. mac, vf);
  1500. return 0;
  1501. }
  1502. int qlcnic_sriov_set_vf_tx_rate(struct net_device *netdev, int vf,
  1503. int min_tx_rate, int max_tx_rate)
  1504. {
  1505. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  1506. struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  1507. struct qlcnic_vf_info *vf_info;
  1508. struct qlcnic_info nic_info;
  1509. struct qlcnic_vport *vp;
  1510. u16 vpid;
  1511. if (!qlcnic_sriov_pf_check(adapter))
  1512. return -EOPNOTSUPP;
  1513. if (vf >= sriov->num_vfs)
  1514. return -EINVAL;
  1515. vf_info = &sriov->vf_info[vf];
  1516. vp = vf_info->vp;
  1517. vpid = vp->handle;
  1518. if (!min_tx_rate)
  1519. min_tx_rate = QLC_VF_MIN_TX_RATE;
  1520. if (max_tx_rate &&
  1521. (max_tx_rate >= 10000 || max_tx_rate < min_tx_rate)) {
  1522. netdev_err(netdev,
  1523. "Invalid max Tx rate, allowed range is [%d - %d]",
  1524. min_tx_rate, QLC_VF_MAX_TX_RATE);
  1525. return -EINVAL;
  1526. }
  1527. if (!max_tx_rate)
  1528. max_tx_rate = 10000;
  1529. if (min_tx_rate &&
  1530. (min_tx_rate > max_tx_rate || min_tx_rate < QLC_VF_MIN_TX_RATE)) {
  1531. netdev_err(netdev,
  1532. "Invalid min Tx rate, allowed range is [%d - %d]",
  1533. QLC_VF_MIN_TX_RATE, max_tx_rate);
  1534. return -EINVAL;
  1535. }
  1536. if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
  1537. if (qlcnic_sriov_get_vf_vport_info(adapter, &nic_info, vpid))
  1538. return -EIO;
  1539. nic_info.max_tx_bw = max_tx_rate / 100;
  1540. nic_info.min_tx_bw = min_tx_rate / 100;
  1541. nic_info.bit_offsets = BIT_0;
  1542. if (qlcnic_sriov_pf_set_vport_info(adapter, &nic_info, vpid))
  1543. return -EIO;
  1544. }
  1545. vp->max_tx_bw = max_tx_rate / 100;
  1546. netdev_info(netdev,
  1547. "Setting Max Tx rate %d (Mbps), %d %% of PF bandwidth, for VF %d\n",
  1548. max_tx_rate, vp->max_tx_bw, vf);
  1549. vp->min_tx_bw = min_tx_rate / 100;
  1550. netdev_info(netdev,
  1551. "Setting Min Tx rate %d (Mbps), %d %% of PF bandwidth, for VF %d\n",
  1552. min_tx_rate, vp->min_tx_bw, vf);
  1553. return 0;
  1554. }
  1555. int qlcnic_sriov_set_vf_vlan(struct net_device *netdev, int vf,
  1556. u16 vlan, u8 qos, __be16 vlan_proto)
  1557. {
  1558. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  1559. struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  1560. struct qlcnic_vf_info *vf_info;
  1561. struct qlcnic_vport *vp;
  1562. if (!qlcnic_sriov_pf_check(adapter))
  1563. return -EOPNOTSUPP;
  1564. if (vf >= sriov->num_vfs || qos > 7)
  1565. return -EINVAL;
  1566. if (vlan_proto != htons(ETH_P_8021Q))
  1567. return -EPROTONOSUPPORT;
  1568. if (vlan > MAX_VLAN_ID) {
  1569. netdev_err(netdev,
  1570. "Invalid VLAN ID, allowed range is [0 - %d]\n",
  1571. MAX_VLAN_ID);
  1572. return -EINVAL;
  1573. }
  1574. vf_info = &sriov->vf_info[vf];
  1575. vp = vf_info->vp;
  1576. if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
  1577. netdev_err(netdev,
  1578. "VLAN change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n",
  1579. vf);
  1580. return -EOPNOTSUPP;
  1581. }
  1582. memset(vf_info->sriov_vlans, 0,
  1583. sizeof(*vf_info->sriov_vlans) * sriov->num_allowed_vlans);
  1584. switch (vlan) {
  1585. case 4095:
  1586. vp->vlan_mode = QLC_GUEST_VLAN_MODE;
  1587. break;
  1588. case 0:
  1589. vp->vlan_mode = QLC_NO_VLAN_MODE;
  1590. vp->qos = 0;
  1591. break;
  1592. default:
  1593. vp->vlan_mode = QLC_PVID_MODE;
  1594. qlcnic_sriov_add_vlan_id(sriov, vf_info, vlan);
  1595. vp->qos = qos;
  1596. vp->pvid = vlan;
  1597. }
  1598. netdev_info(netdev, "Setting VLAN %d, QoS %d, for VF %d\n",
  1599. vlan, qos, vf);
  1600. return 0;
  1601. }
  1602. static __u32 qlcnic_sriov_get_vf_vlan(struct qlcnic_adapter *adapter,
  1603. struct qlcnic_vport *vp, int vf)
  1604. {
  1605. __u32 vlan = 0;
  1606. switch (vp->vlan_mode) {
  1607. case QLC_PVID_MODE:
  1608. vlan = vp->pvid;
  1609. break;
  1610. case QLC_GUEST_VLAN_MODE:
  1611. vlan = MAX_VLAN_ID;
  1612. break;
  1613. case QLC_NO_VLAN_MODE:
  1614. vlan = 0;
  1615. break;
  1616. default:
  1617. netdev_info(adapter->netdev, "Invalid VLAN mode = %d for VF %d\n",
  1618. vp->vlan_mode, vf);
  1619. }
  1620. return vlan;
  1621. }
  1622. int qlcnic_sriov_get_vf_config(struct net_device *netdev,
  1623. int vf, struct ifla_vf_info *ivi)
  1624. {
  1625. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  1626. struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  1627. struct qlcnic_vport *vp;
  1628. if (!qlcnic_sriov_pf_check(adapter))
  1629. return -EOPNOTSUPP;
  1630. if (vf >= sriov->num_vfs)
  1631. return -EINVAL;
  1632. vp = sriov->vf_info[vf].vp;
  1633. memcpy(&ivi->mac, vp->mac, ETH_ALEN);
  1634. ivi->vlan = qlcnic_sriov_get_vf_vlan(adapter, vp, vf);
  1635. ivi->qos = vp->qos;
  1636. ivi->spoofchk = vp->spoofchk;
  1637. if (vp->max_tx_bw == MAX_BW)
  1638. ivi->max_tx_rate = 0;
  1639. else
  1640. ivi->max_tx_rate = vp->max_tx_bw * 100;
  1641. if (vp->min_tx_bw == MIN_BW)
  1642. ivi->min_tx_rate = 0;
  1643. else
  1644. ivi->min_tx_rate = vp->min_tx_bw * 100;
  1645. ivi->vf = vf;
  1646. return 0;
  1647. }
  1648. int qlcnic_sriov_set_vf_spoofchk(struct net_device *netdev, int vf, bool chk)
  1649. {
  1650. struct qlcnic_adapter *adapter = netdev_priv(netdev);
  1651. struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  1652. struct qlcnic_vf_info *vf_info;
  1653. struct qlcnic_vport *vp;
  1654. if (!qlcnic_sriov_pf_check(adapter))
  1655. return -EOPNOTSUPP;
  1656. if (vf >= sriov->num_vfs)
  1657. return -EINVAL;
  1658. vf_info = &sriov->vf_info[vf];
  1659. vp = vf_info->vp;
  1660. if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
  1661. netdev_err(netdev,
  1662. "Spoof check change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n",
  1663. vf);
  1664. return -EOPNOTSUPP;
  1665. }
  1666. vp->spoofchk = chk;
  1667. return 0;
  1668. }