bfa_fcs_lport.c 176 KB

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  1. /*
  2. * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
  3. * All rights reserved
  4. * www.brocade.com
  5. *
  6. * Linux driver for Brocade Fibre Channel Host Bus Adapter.
  7. *
  8. * This program is free software; you can redistribute it and/or modify it
  9. * under the terms of the GNU General Public License (GPL) Version 2 as
  10. * published by the Free Software Foundation
  11. *
  12. * This program is distributed in the hope that it will be useful, but
  13. * WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * General Public License for more details.
  16. */
  17. #include "bfad_drv.h"
  18. #include "bfad_im.h"
  19. #include "bfa_fcs.h"
  20. #include "bfa_fcbuild.h"
  21. #include "bfa_fc.h"
  22. BFA_TRC_FILE(FCS, PORT);
  23. /*
  24. * ALPA to LIXA bitmap mapping
  25. *
  26. * ALPA 0x00 (Word 0, Bit 30) is invalid for N_Ports. Also Word 0 Bit 31
  27. * is for L_bit (login required) and is filled as ALPA 0x00 here.
  28. */
  29. static const u8 loop_alpa_map[] = {
  30. 0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x0F, 0x10, /* Word 0 Bits 31..24 */
  31. 0x17, 0x18, 0x1B, 0x1D, 0x1E, 0x1F, 0x23, 0x25, /* Word 0 Bits 23..16 */
  32. 0x26, 0x27, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, /* Word 0 Bits 15..08 */
  33. 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x39, 0x3A, /* Word 0 Bits 07..00 */
  34. 0x3C, 0x43, 0x45, 0x46, 0x47, 0x49, 0x4A, 0x4B, /* Word 1 Bits 31..24 */
  35. 0x4C, 0x4D, 0x4E, 0x51, 0x52, 0x53, 0x54, 0x55, /* Word 1 Bits 23..16 */
  36. 0x56, 0x59, 0x5A, 0x5C, 0x63, 0x65, 0x66, 0x67, /* Word 1 Bits 15..08 */
  37. 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x71, 0x72, /* Word 1 Bits 07..00 */
  38. 0x73, 0x74, 0x75, 0x76, 0x79, 0x7A, 0x7C, 0x80, /* Word 2 Bits 31..24 */
  39. 0x81, 0x82, 0x84, 0x88, 0x8F, 0x90, 0x97, 0x98, /* Word 2 Bits 23..16 */
  40. 0x9B, 0x9D, 0x9E, 0x9F, 0xA3, 0xA5, 0xA6, 0xA7, /* Word 2 Bits 15..08 */
  41. 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xB1, 0xB2, /* Word 2 Bits 07..00 */
  42. 0xB3, 0xB4, 0xB5, 0xB6, 0xB9, 0xBA, 0xBC, 0xC3, /* Word 3 Bits 31..24 */
  43. 0xC5, 0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, /* Word 3 Bits 23..16 */
  44. 0xCE, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD9, /* Word 3 Bits 15..08 */
  45. 0xDA, 0xDC, 0xE0, 0xE1, 0xE2, 0xE4, 0xE8, 0xEF, /* Word 3 Bits 07..00 */
  46. };
  47. static void bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
  48. struct fchs_s *rx_fchs, u8 reason_code,
  49. u8 reason_code_expl);
  50. static void bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
  51. struct fchs_s *rx_fchs, struct fc_logi_s *plogi);
  52. static void bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port);
  53. static void bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port);
  54. static void bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port);
  55. static void bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port);
  56. static void bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port);
  57. static void bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port);
  58. static void bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port,
  59. struct fchs_s *rx_fchs,
  60. struct fc_echo_s *echo, u16 len);
  61. static void bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port,
  62. struct fchs_s *rx_fchs,
  63. struct fc_rnid_cmd_s *rnid, u16 len);
  64. static void bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
  65. struct fc_rnid_general_topology_data_s *gen_topo_data);
  66. static void bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port);
  67. static void bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port);
  68. static void bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port);
  69. static void bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
  70. static void bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
  71. static void bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);
  72. static void bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port);
  73. static void bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port);
  74. static void bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port);
  75. static struct {
  76. void (*init) (struct bfa_fcs_lport_s *port);
  77. void (*online) (struct bfa_fcs_lport_s *port);
  78. void (*offline) (struct bfa_fcs_lport_s *port);
  79. } __port_action[] = {
  80. {
  81. bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online,
  82. bfa_fcs_lport_unknown_offline}, {
  83. bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online,
  84. bfa_fcs_lport_fab_offline}, {
  85. bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online,
  86. bfa_fcs_lport_n2n_offline}, {
  87. bfa_fcs_lport_loop_init, bfa_fcs_lport_loop_online,
  88. bfa_fcs_lport_loop_offline},
  89. };
  90. /*
  91. * fcs_port_sm FCS logical port state machine
  92. */
  93. enum bfa_fcs_lport_event {
  94. BFA_FCS_PORT_SM_CREATE = 1,
  95. BFA_FCS_PORT_SM_ONLINE = 2,
  96. BFA_FCS_PORT_SM_OFFLINE = 3,
  97. BFA_FCS_PORT_SM_DELETE = 4,
  98. BFA_FCS_PORT_SM_DELRPORT = 5,
  99. BFA_FCS_PORT_SM_STOP = 6,
  100. };
  101. static void bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s *port,
  102. enum bfa_fcs_lport_event event);
  103. static void bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
  104. enum bfa_fcs_lport_event event);
  105. static void bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port,
  106. enum bfa_fcs_lport_event event);
  107. static void bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port,
  108. enum bfa_fcs_lport_event event);
  109. static void bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port,
  110. enum bfa_fcs_lport_event event);
  111. static void bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
  112. enum bfa_fcs_lport_event event);
  113. static void
  114. bfa_fcs_lport_sm_uninit(
  115. struct bfa_fcs_lport_s *port,
  116. enum bfa_fcs_lport_event event)
  117. {
  118. bfa_trc(port->fcs, port->port_cfg.pwwn);
  119. bfa_trc(port->fcs, event);
  120. switch (event) {
  121. case BFA_FCS_PORT_SM_CREATE:
  122. bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
  123. break;
  124. default:
  125. bfa_sm_fault(port->fcs, event);
  126. }
  127. }
  128. static void
  129. bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
  130. enum bfa_fcs_lport_event event)
  131. {
  132. bfa_trc(port->fcs, port->port_cfg.pwwn);
  133. bfa_trc(port->fcs, event);
  134. switch (event) {
  135. case BFA_FCS_PORT_SM_ONLINE:
  136. bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
  137. bfa_fcs_lport_online_actions(port);
  138. break;
  139. case BFA_FCS_PORT_SM_DELETE:
  140. bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
  141. bfa_fcs_lport_deleted(port);
  142. break;
  143. case BFA_FCS_PORT_SM_STOP:
  144. /* If vport - send completion call back */
  145. if (port->vport)
  146. bfa_fcs_vport_stop_comp(port->vport);
  147. else
  148. bfa_wc_down(&(port->fabric->stop_wc));
  149. break;
  150. case BFA_FCS_PORT_SM_OFFLINE:
  151. break;
  152. default:
  153. bfa_sm_fault(port->fcs, event);
  154. }
  155. }
  156. static void
  157. bfa_fcs_lport_sm_online(
  158. struct bfa_fcs_lport_s *port,
  159. enum bfa_fcs_lport_event event)
  160. {
  161. struct bfa_fcs_rport_s *rport;
  162. struct list_head *qe, *qen;
  163. bfa_trc(port->fcs, port->port_cfg.pwwn);
  164. bfa_trc(port->fcs, event);
  165. switch (event) {
  166. case BFA_FCS_PORT_SM_OFFLINE:
  167. bfa_sm_set_state(port, bfa_fcs_lport_sm_offline);
  168. bfa_fcs_lport_offline_actions(port);
  169. break;
  170. case BFA_FCS_PORT_SM_STOP:
  171. __port_action[port->fabric->fab_type].offline(port);
  172. if (port->num_rports == 0) {
  173. bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
  174. /* If vport - send completion call back */
  175. if (port->vport)
  176. bfa_fcs_vport_stop_comp(port->vport);
  177. else
  178. bfa_wc_down(&(port->fabric->stop_wc));
  179. } else {
  180. bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
  181. list_for_each_safe(qe, qen, &port->rport_q) {
  182. rport = (struct bfa_fcs_rport_s *) qe;
  183. bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
  184. }
  185. }
  186. break;
  187. case BFA_FCS_PORT_SM_DELETE:
  188. __port_action[port->fabric->fab_type].offline(port);
  189. if (port->num_rports == 0) {
  190. bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
  191. bfa_fcs_lport_deleted(port);
  192. } else {
  193. bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
  194. list_for_each_safe(qe, qen, &port->rport_q) {
  195. rport = (struct bfa_fcs_rport_s *) qe;
  196. bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
  197. }
  198. }
  199. break;
  200. case BFA_FCS_PORT_SM_DELRPORT:
  201. break;
  202. default:
  203. bfa_sm_fault(port->fcs, event);
  204. }
  205. }
  206. static void
  207. bfa_fcs_lport_sm_offline(
  208. struct bfa_fcs_lport_s *port,
  209. enum bfa_fcs_lport_event event)
  210. {
  211. struct bfa_fcs_rport_s *rport;
  212. struct list_head *qe, *qen;
  213. bfa_trc(port->fcs, port->port_cfg.pwwn);
  214. bfa_trc(port->fcs, event);
  215. switch (event) {
  216. case BFA_FCS_PORT_SM_ONLINE:
  217. bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
  218. bfa_fcs_lport_online_actions(port);
  219. break;
  220. case BFA_FCS_PORT_SM_STOP:
  221. if (port->num_rports == 0) {
  222. bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
  223. /* If vport - send completion call back */
  224. if (port->vport)
  225. bfa_fcs_vport_stop_comp(port->vport);
  226. else
  227. bfa_wc_down(&(port->fabric->stop_wc));
  228. } else {
  229. bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
  230. list_for_each_safe(qe, qen, &port->rport_q) {
  231. rport = (struct bfa_fcs_rport_s *) qe;
  232. bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
  233. }
  234. }
  235. break;
  236. case BFA_FCS_PORT_SM_DELETE:
  237. if (port->num_rports == 0) {
  238. bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
  239. bfa_fcs_lport_deleted(port);
  240. } else {
  241. bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
  242. list_for_each_safe(qe, qen, &port->rport_q) {
  243. rport = (struct bfa_fcs_rport_s *) qe;
  244. bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
  245. }
  246. }
  247. break;
  248. case BFA_FCS_PORT_SM_DELRPORT:
  249. case BFA_FCS_PORT_SM_OFFLINE:
  250. break;
  251. default:
  252. bfa_sm_fault(port->fcs, event);
  253. }
  254. }
  255. static void
  256. bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
  257. enum bfa_fcs_lport_event event)
  258. {
  259. bfa_trc(port->fcs, port->port_cfg.pwwn);
  260. bfa_trc(port->fcs, event);
  261. switch (event) {
  262. case BFA_FCS_PORT_SM_DELRPORT:
  263. if (port->num_rports == 0) {
  264. bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
  265. /* If vport - send completion call back */
  266. if (port->vport)
  267. bfa_fcs_vport_stop_comp(port->vport);
  268. else
  269. bfa_wc_down(&(port->fabric->stop_wc));
  270. }
  271. break;
  272. default:
  273. bfa_sm_fault(port->fcs, event);
  274. }
  275. }
  276. static void
  277. bfa_fcs_lport_sm_deleting(
  278. struct bfa_fcs_lport_s *port,
  279. enum bfa_fcs_lport_event event)
  280. {
  281. bfa_trc(port->fcs, port->port_cfg.pwwn);
  282. bfa_trc(port->fcs, event);
  283. switch (event) {
  284. case BFA_FCS_PORT_SM_DELRPORT:
  285. if (port->num_rports == 0) {
  286. bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
  287. bfa_fcs_lport_deleted(port);
  288. }
  289. break;
  290. default:
  291. bfa_sm_fault(port->fcs, event);
  292. }
  293. }
  294. /*
  295. * fcs_port_pvt
  296. */
  297. /*
  298. * Send AEN notification
  299. */
  300. static void
  301. bfa_fcs_lport_aen_post(struct bfa_fcs_lport_s *port,
  302. enum bfa_lport_aen_event event)
  303. {
  304. struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
  305. struct bfa_aen_entry_s *aen_entry;
  306. bfad_get_aen_entry(bfad, aen_entry);
  307. if (!aen_entry)
  308. return;
  309. aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
  310. aen_entry->aen_data.lport.roles = port->port_cfg.roles;
  311. aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
  312. bfa_fcs_get_base_port(port->fcs));
  313. aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
  314. /* Send the AEN notification */
  315. bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
  316. BFA_AEN_CAT_LPORT, event);
  317. }
  318. /*
  319. * Send a LS reject
  320. */
  321. static void
  322. bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
  323. u8 reason_code, u8 reason_code_expl)
  324. {
  325. struct fchs_s fchs;
  326. struct bfa_fcxp_s *fcxp;
  327. struct bfa_rport_s *bfa_rport = NULL;
  328. int len;
  329. bfa_trc(port->fcs, rx_fchs->d_id);
  330. bfa_trc(port->fcs, rx_fchs->s_id);
  331. fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
  332. if (!fcxp)
  333. return;
  334. len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  335. rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
  336. rx_fchs->ox_id, reason_code, reason_code_expl);
  337. bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
  338. BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
  339. FC_MAX_PDUSZ, 0);
  340. }
  341. /*
  342. * Send a FCCT Reject
  343. */
  344. static void
  345. bfa_fcs_lport_send_fcgs_rjt(struct bfa_fcs_lport_s *port,
  346. struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl)
  347. {
  348. struct fchs_s fchs;
  349. struct bfa_fcxp_s *fcxp;
  350. struct bfa_rport_s *bfa_rport = NULL;
  351. int len;
  352. struct ct_hdr_s *rx_cthdr = (struct ct_hdr_s *)(rx_fchs + 1);
  353. struct ct_hdr_s *ct_hdr;
  354. bfa_trc(port->fcs, rx_fchs->d_id);
  355. bfa_trc(port->fcs, rx_fchs->s_id);
  356. fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
  357. if (!fcxp)
  358. return;
  359. ct_hdr = bfa_fcxp_get_reqbuf(fcxp);
  360. ct_hdr->gs_type = rx_cthdr->gs_type;
  361. ct_hdr->gs_sub_type = rx_cthdr->gs_sub_type;
  362. len = fc_gs_rjt_build(&fchs, ct_hdr, rx_fchs->s_id,
  363. bfa_fcs_lport_get_fcid(port),
  364. rx_fchs->ox_id, reason_code, reason_code_expl);
  365. bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
  366. BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
  367. FC_MAX_PDUSZ, 0);
  368. }
  369. /*
  370. * Process incoming plogi from a remote port.
  371. */
  372. static void
  373. bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
  374. struct fchs_s *rx_fchs, struct fc_logi_s *plogi)
  375. {
  376. struct bfa_fcs_rport_s *rport;
  377. bfa_trc(port->fcs, rx_fchs->d_id);
  378. bfa_trc(port->fcs, rx_fchs->s_id);
  379. /*
  380. * If min cfg mode is enabled, drop any incoming PLOGIs
  381. */
  382. if (__fcs_min_cfg(port->fcs)) {
  383. bfa_trc(port->fcs, rx_fchs->s_id);
  384. return;
  385. }
  386. if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) {
  387. bfa_trc(port->fcs, rx_fchs->s_id);
  388. /*
  389. * send a LS reject
  390. */
  391. bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
  392. FC_LS_RJT_RSN_PROTOCOL_ERROR,
  393. FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS);
  394. return;
  395. }
  396. /*
  397. * Direct Attach P2P mode : verify address assigned by the r-port.
  398. */
  399. if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
  400. (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
  401. (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
  402. if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) {
  403. /* Address assigned to us cannot be a WKA */
  404. bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
  405. FC_LS_RJT_RSN_PROTOCOL_ERROR,
  406. FC_LS_RJT_EXP_INVALID_NPORT_ID);
  407. return;
  408. }
  409. port->pid = rx_fchs->d_id;
  410. bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
  411. }
  412. /*
  413. * First, check if we know the device by pwwn.
  414. */
  415. rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name);
  416. if (rport) {
  417. /*
  418. * Direct Attach P2P mode : handle address assigned by r-port.
  419. */
  420. if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
  421. (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
  422. (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
  423. port->pid = rx_fchs->d_id;
  424. bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
  425. rport->pid = rx_fchs->s_id;
  426. }
  427. bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
  428. return;
  429. }
  430. /*
  431. * Next, lookup rport by PID.
  432. */
  433. rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id);
  434. if (!rport) {
  435. /*
  436. * Inbound PLOGI from a new device.
  437. */
  438. bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
  439. return;
  440. }
  441. /*
  442. * Rport is known only by PID.
  443. */
  444. if (rport->pwwn) {
  445. /*
  446. * This is a different device with the same pid. Old device
  447. * disappeared. Send implicit LOGO to old device.
  448. */
  449. WARN_ON(rport->pwwn == plogi->port_name);
  450. bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
  451. /*
  452. * Inbound PLOGI from a new device (with old PID).
  453. */
  454. bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
  455. return;
  456. }
  457. /*
  458. * PLOGI crossing each other.
  459. */
  460. WARN_ON(rport->pwwn != WWN_NULL);
  461. bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
  462. }
  463. /*
  464. * Process incoming ECHO.
  465. * Since it does not require a login, it is processed here.
  466. */
  467. static void
  468. bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
  469. struct fc_echo_s *echo, u16 rx_len)
  470. {
  471. struct fchs_s fchs;
  472. struct bfa_fcxp_s *fcxp;
  473. struct bfa_rport_s *bfa_rport = NULL;
  474. int len, pyld_len;
  475. bfa_trc(port->fcs, rx_fchs->s_id);
  476. bfa_trc(port->fcs, rx_fchs->d_id);
  477. fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
  478. if (!fcxp)
  479. return;
  480. len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  481. rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
  482. rx_fchs->ox_id);
  483. /*
  484. * Copy the payload (if any) from the echo frame
  485. */
  486. pyld_len = rx_len - sizeof(struct fchs_s);
  487. bfa_trc(port->fcs, rx_len);
  488. bfa_trc(port->fcs, pyld_len);
  489. if (pyld_len > len)
  490. memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) +
  491. sizeof(struct fc_echo_s), (echo + 1),
  492. (pyld_len - sizeof(struct fc_echo_s)));
  493. bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
  494. BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL,
  495. FC_MAX_PDUSZ, 0);
  496. }
  497. /*
  498. * Process incoming RNID.
  499. * Since it does not require a login, it is processed here.
  500. */
  501. static void
  502. bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
  503. struct fc_rnid_cmd_s *rnid, u16 rx_len)
  504. {
  505. struct fc_rnid_common_id_data_s common_id_data;
  506. struct fc_rnid_general_topology_data_s gen_topo_data;
  507. struct fchs_s fchs;
  508. struct bfa_fcxp_s *fcxp;
  509. struct bfa_rport_s *bfa_rport = NULL;
  510. u16 len;
  511. u32 data_format;
  512. bfa_trc(port->fcs, rx_fchs->s_id);
  513. bfa_trc(port->fcs, rx_fchs->d_id);
  514. bfa_trc(port->fcs, rx_len);
  515. fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
  516. if (!fcxp)
  517. return;
  518. /*
  519. * Check Node Indentification Data Format
  520. * We only support General Topology Discovery Format.
  521. * For any other requested Data Formats, we return Common Node Id Data
  522. * only, as per FC-LS.
  523. */
  524. bfa_trc(port->fcs, rnid->node_id_data_format);
  525. if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
  526. data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY;
  527. /*
  528. * Get General topology data for this port
  529. */
  530. bfa_fs_port_get_gen_topo_data(port, &gen_topo_data);
  531. } else {
  532. data_format = RNID_NODEID_DATA_FORMAT_COMMON;
  533. }
  534. /*
  535. * Copy the Node Id Info
  536. */
  537. common_id_data.port_name = bfa_fcs_lport_get_pwwn(port);
  538. common_id_data.node_name = bfa_fcs_lport_get_nwwn(port);
  539. len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  540. rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
  541. rx_fchs->ox_id, data_format, &common_id_data,
  542. &gen_topo_data);
  543. bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
  544. BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
  545. FC_MAX_PDUSZ, 0);
  546. }
  547. /*
  548. * Fill out General Topolpgy Discovery Data for RNID ELS.
  549. */
  550. static void
  551. bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
  552. struct fc_rnid_general_topology_data_s *gen_topo_data)
  553. {
  554. memset(gen_topo_data, 0,
  555. sizeof(struct fc_rnid_general_topology_data_s));
  556. gen_topo_data->asso_type = cpu_to_be32(RNID_ASSOCIATED_TYPE_HOST);
  557. gen_topo_data->phy_port_num = 0; /* @todo */
  558. gen_topo_data->num_attached_nodes = cpu_to_be32(1);
  559. }
  560. static void
  561. bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port)
  562. {
  563. struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
  564. char lpwwn_buf[BFA_STRING_32];
  565. bfa_trc(port->fcs, port->fabric->oper_type);
  566. __port_action[port->fabric->fab_type].init(port);
  567. __port_action[port->fabric->fab_type].online(port);
  568. wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
  569. BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
  570. "Logical port online: WWN = %s Role = %s\n",
  571. lpwwn_buf, "Initiator");
  572. bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_ONLINE);
  573. bfad->bfad_flags |= BFAD_PORT_ONLINE;
  574. }
  575. static void
  576. bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port)
  577. {
  578. struct list_head *qe, *qen;
  579. struct bfa_fcs_rport_s *rport;
  580. struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
  581. char lpwwn_buf[BFA_STRING_32];
  582. bfa_trc(port->fcs, port->fabric->oper_type);
  583. __port_action[port->fabric->fab_type].offline(port);
  584. wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
  585. if (bfa_sm_cmp_state(port->fabric,
  586. bfa_fcs_fabric_sm_online) == BFA_TRUE) {
  587. BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
  588. "Logical port lost fabric connectivity: WWN = %s Role = %s\n",
  589. lpwwn_buf, "Initiator");
  590. bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DISCONNECT);
  591. } else {
  592. BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
  593. "Logical port taken offline: WWN = %s Role = %s\n",
  594. lpwwn_buf, "Initiator");
  595. bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_OFFLINE);
  596. }
  597. list_for_each_safe(qe, qen, &port->rport_q) {
  598. rport = (struct bfa_fcs_rport_s *) qe;
  599. bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
  600. }
  601. }
  602. static void
  603. bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port)
  604. {
  605. WARN_ON(1);
  606. }
  607. static void
  608. bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port)
  609. {
  610. WARN_ON(1);
  611. }
  612. static void
  613. bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port)
  614. {
  615. WARN_ON(1);
  616. }
  617. static void
  618. bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs)
  619. {
  620. struct fchs_s fchs;
  621. struct bfa_fcxp_s *fcxp;
  622. int len;
  623. bfa_trc(port->fcs, rx_fchs->d_id);
  624. bfa_trc(port->fcs, rx_fchs->s_id);
  625. fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
  626. if (!fcxp)
  627. return;
  628. len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  629. rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
  630. rx_fchs->ox_id, 0);
  631. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
  632. BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
  633. FC_MAX_PDUSZ, 0);
  634. }
  635. static void
  636. bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port)
  637. {
  638. struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
  639. char lpwwn_buf[BFA_STRING_32];
  640. wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
  641. BFA_LOG(KERN_INFO, bfad, bfa_log_level,
  642. "Logical port deleted: WWN = %s Role = %s\n",
  643. lpwwn_buf, "Initiator");
  644. bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DELETE);
  645. /* Base port will be deleted by the OS driver */
  646. if (port->vport)
  647. bfa_fcs_vport_delete_comp(port->vport);
  648. else
  649. bfa_wc_down(&port->fabric->wc);
  650. }
  651. /*
  652. * Unsolicited frame receive handling.
  653. */
  654. void
  655. bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport,
  656. struct fchs_s *fchs, u16 len)
  657. {
  658. u32 pid = fchs->s_id;
  659. struct bfa_fcs_rport_s *rport = NULL;
  660. struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
  661. bfa_stats(lport, uf_recvs);
  662. bfa_trc(lport->fcs, fchs->type);
  663. if (!bfa_fcs_lport_is_online(lport)) {
  664. bfa_stats(lport, uf_recv_drops);
  665. return;
  666. }
  667. /*
  668. * First, handle ELSs that donot require a login.
  669. */
  670. /*
  671. * Handle PLOGI first
  672. */
  673. if ((fchs->type == FC_TYPE_ELS) &&
  674. (els_cmd->els_code == FC_ELS_PLOGI)) {
  675. bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd);
  676. return;
  677. }
  678. /*
  679. * Handle ECHO separately.
  680. */
  681. if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) {
  682. bfa_fcs_lport_echo(lport, fchs,
  683. (struct fc_echo_s *)els_cmd, len);
  684. return;
  685. }
  686. /*
  687. * Handle RNID separately.
  688. */
  689. if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) {
  690. bfa_fcs_lport_rnid(lport, fchs,
  691. (struct fc_rnid_cmd_s *) els_cmd, len);
  692. return;
  693. }
  694. if (fchs->type == FC_TYPE_BLS) {
  695. if ((fchs->routing == FC_RTG_BASIC_LINK) &&
  696. (fchs->cat_info == FC_CAT_ABTS))
  697. bfa_fcs_lport_abts_acc(lport, fchs);
  698. return;
  699. }
  700. if (fchs->type == FC_TYPE_SERVICES) {
  701. /*
  702. * Unhandled FC-GS frames. Send a FC-CT Reject
  703. */
  704. bfa_fcs_lport_send_fcgs_rjt(lport, fchs, CT_RSN_NOT_SUPP,
  705. CT_NS_EXP_NOADDITIONAL);
  706. return;
  707. }
  708. /*
  709. * look for a matching remote port ID
  710. */
  711. rport = bfa_fcs_lport_get_rport_by_pid(lport, pid);
  712. if (rport) {
  713. bfa_trc(rport->fcs, fchs->s_id);
  714. bfa_trc(rport->fcs, fchs->d_id);
  715. bfa_trc(rport->fcs, fchs->type);
  716. bfa_fcs_rport_uf_recv(rport, fchs, len);
  717. return;
  718. }
  719. /*
  720. * Only handles ELS frames for now.
  721. */
  722. if (fchs->type != FC_TYPE_ELS) {
  723. bfa_trc(lport->fcs, fchs->s_id);
  724. bfa_trc(lport->fcs, fchs->d_id);
  725. /* ignore type FC_TYPE_FC_FSS */
  726. if (fchs->type != FC_TYPE_FC_FSS)
  727. bfa_sm_fault(lport->fcs, fchs->type);
  728. return;
  729. }
  730. bfa_trc(lport->fcs, els_cmd->els_code);
  731. if (els_cmd->els_code == FC_ELS_RSCN) {
  732. bfa_fcs_lport_scn_process_rscn(lport, fchs, len);
  733. return;
  734. }
  735. if (els_cmd->els_code == FC_ELS_LOGO) {
  736. /*
  737. * @todo Handle LOGO frames received.
  738. */
  739. return;
  740. }
  741. if (els_cmd->els_code == FC_ELS_PRLI) {
  742. /*
  743. * @todo Handle PRLI frames received.
  744. */
  745. return;
  746. }
  747. /*
  748. * Unhandled ELS frames. Send a LS_RJT.
  749. */
  750. bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
  751. FC_LS_RJT_EXP_NO_ADDL_INFO);
  752. }
  753. /*
  754. * PID based Lookup for a R-Port in the Port R-Port Queue
  755. */
  756. struct bfa_fcs_rport_s *
  757. bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid)
  758. {
  759. struct bfa_fcs_rport_s *rport;
  760. struct list_head *qe;
  761. list_for_each(qe, &port->rport_q) {
  762. rport = (struct bfa_fcs_rport_s *) qe;
  763. if (rport->pid == pid)
  764. return rport;
  765. }
  766. bfa_trc(port->fcs, pid);
  767. return NULL;
  768. }
  769. /*
  770. * OLD_PID based Lookup for a R-Port in the Port R-Port Queue
  771. */
  772. struct bfa_fcs_rport_s *
  773. bfa_fcs_lport_get_rport_by_old_pid(struct bfa_fcs_lport_s *port, u32 pid)
  774. {
  775. struct bfa_fcs_rport_s *rport;
  776. struct list_head *qe;
  777. list_for_each(qe, &port->rport_q) {
  778. rport = (struct bfa_fcs_rport_s *) qe;
  779. if (rport->old_pid == pid)
  780. return rport;
  781. }
  782. bfa_trc(port->fcs, pid);
  783. return NULL;
  784. }
  785. /*
  786. * PWWN based Lookup for a R-Port in the Port R-Port Queue
  787. */
  788. struct bfa_fcs_rport_s *
  789. bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn)
  790. {
  791. struct bfa_fcs_rport_s *rport;
  792. struct list_head *qe;
  793. list_for_each(qe, &port->rport_q) {
  794. rport = (struct bfa_fcs_rport_s *) qe;
  795. if (wwn_is_equal(rport->pwwn, pwwn))
  796. return rport;
  797. }
  798. bfa_trc(port->fcs, pwwn);
  799. return NULL;
  800. }
  801. /*
  802. * NWWN based Lookup for a R-Port in the Port R-Port Queue
  803. */
  804. struct bfa_fcs_rport_s *
  805. bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn)
  806. {
  807. struct bfa_fcs_rport_s *rport;
  808. struct list_head *qe;
  809. list_for_each(qe, &port->rport_q) {
  810. rport = (struct bfa_fcs_rport_s *) qe;
  811. if (wwn_is_equal(rport->nwwn, nwwn))
  812. return rport;
  813. }
  814. bfa_trc(port->fcs, nwwn);
  815. return NULL;
  816. }
  817. /*
  818. * PWWN & PID based Lookup for a R-Port in the Port R-Port Queue
  819. */
  820. struct bfa_fcs_rport_s *
  821. bfa_fcs_lport_get_rport_by_qualifier(struct bfa_fcs_lport_s *port,
  822. wwn_t pwwn, u32 pid)
  823. {
  824. struct bfa_fcs_rport_s *rport;
  825. struct list_head *qe;
  826. list_for_each(qe, &port->rport_q) {
  827. rport = (struct bfa_fcs_rport_s *) qe;
  828. if (wwn_is_equal(rport->pwwn, pwwn) && rport->pid == pid)
  829. return rport;
  830. }
  831. bfa_trc(port->fcs, pwwn);
  832. return NULL;
  833. }
  834. /*
  835. * Called by rport module when new rports are discovered.
  836. */
  837. void
  838. bfa_fcs_lport_add_rport(
  839. struct bfa_fcs_lport_s *port,
  840. struct bfa_fcs_rport_s *rport)
  841. {
  842. list_add_tail(&rport->qe, &port->rport_q);
  843. port->num_rports++;
  844. }
  845. /*
  846. * Called by rport module to when rports are deleted.
  847. */
  848. void
  849. bfa_fcs_lport_del_rport(
  850. struct bfa_fcs_lport_s *port,
  851. struct bfa_fcs_rport_s *rport)
  852. {
  853. WARN_ON(!bfa_q_is_on_q(&port->rport_q, rport));
  854. list_del(&rport->qe);
  855. port->num_rports--;
  856. bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
  857. }
  858. /*
  859. * Called by fabric for base port when fabric login is complete.
  860. * Called by vport for virtual ports when FDISC is complete.
  861. */
  862. void
  863. bfa_fcs_lport_online(struct bfa_fcs_lport_s *port)
  864. {
  865. bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
  866. }
  867. /*
  868. * Called by fabric for base port when fabric goes offline.
  869. * Called by vport for virtual ports when virtual port becomes offline.
  870. */
  871. void
  872. bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
  873. {
  874. bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
  875. }
  876. /*
  877. * Called by fabric for base port and by vport for virtual ports
  878. * when target mode driver is unloaded.
  879. */
  880. void
  881. bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port)
  882. {
  883. bfa_sm_send_event(port, BFA_FCS_PORT_SM_STOP);
  884. }
  885. /*
  886. * Called by fabric to delete base lport and associated resources.
  887. *
  888. * Called by vport to delete lport and associated resources. Should call
  889. * bfa_fcs_vport_delete_comp() for vports on completion.
  890. */
  891. void
  892. bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port)
  893. {
  894. bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
  895. }
  896. /*
  897. * Return TRUE if port is online, else return FALSE
  898. */
  899. bfa_boolean_t
  900. bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
  901. {
  902. return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
  903. }
  904. /*
  905. * Attach time initialization of logical ports.
  906. */
  907. void
  908. bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
  909. u16 vf_id, struct bfa_fcs_vport_s *vport)
  910. {
  911. lport->fcs = fcs;
  912. lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
  913. lport->vport = vport;
  914. lport->lp_tag = (vport) ? vport->lps->bfa_tag :
  915. lport->fabric->lps->bfa_tag;
  916. INIT_LIST_HEAD(&lport->rport_q);
  917. lport->num_rports = 0;
  918. }
  919. /*
  920. * Logical port initialization of base or virtual port.
  921. * Called by fabric for base port or by vport for virtual ports.
  922. */
  923. void
  924. bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
  925. struct bfa_lport_cfg_s *port_cfg)
  926. {
  927. struct bfa_fcs_vport_s *vport = lport->vport;
  928. struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad;
  929. char lpwwn_buf[BFA_STRING_32];
  930. lport->port_cfg = *port_cfg;
  931. lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport,
  932. lport->port_cfg.roles,
  933. lport->fabric->vf_drv,
  934. vport ? vport->vport_drv : NULL);
  935. wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport));
  936. BFA_LOG(KERN_INFO, bfad, bfa_log_level,
  937. "New logical port created: WWN = %s Role = %s\n",
  938. lpwwn_buf, "Initiator");
  939. bfa_fcs_lport_aen_post(lport, BFA_LPORT_AEN_NEW);
  940. bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
  941. bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
  942. }
  943. /*
  944. * fcs_lport_api
  945. */
  946. void
  947. bfa_fcs_lport_get_attr(
  948. struct bfa_fcs_lport_s *port,
  949. struct bfa_lport_attr_s *port_attr)
  950. {
  951. if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
  952. port_attr->pid = port->pid;
  953. else
  954. port_attr->pid = 0;
  955. port_attr->port_cfg = port->port_cfg;
  956. if (port->fabric) {
  957. port_attr->port_type = port->fabric->oper_type;
  958. port_attr->loopback = bfa_sm_cmp_state(port->fabric,
  959. bfa_fcs_fabric_sm_loopback);
  960. port_attr->authfail =
  961. bfa_sm_cmp_state(port->fabric,
  962. bfa_fcs_fabric_sm_auth_failed);
  963. port_attr->fabric_name = bfa_fcs_lport_get_fabric_name(port);
  964. memcpy(port_attr->fabric_ip_addr,
  965. bfa_fcs_lport_get_fabric_ipaddr(port),
  966. BFA_FCS_FABRIC_IPADDR_SZ);
  967. if (port->vport != NULL) {
  968. port_attr->port_type = BFA_PORT_TYPE_VPORT;
  969. port_attr->fpma_mac =
  970. port->vport->lps->lp_mac;
  971. } else {
  972. port_attr->fpma_mac =
  973. port->fabric->lps->lp_mac;
  974. }
  975. } else {
  976. port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
  977. port_attr->state = BFA_LPORT_UNINIT;
  978. }
  979. }
  980. /*
  981. * bfa_fcs_lport_fab port fab functions
  982. */
  983. /*
  984. * Called by port to initialize fabric services of the base port.
  985. */
  986. static void
  987. bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
  988. {
  989. bfa_fcs_lport_ns_init(port);
  990. bfa_fcs_lport_scn_init(port);
  991. bfa_fcs_lport_ms_init(port);
  992. }
  993. /*
  994. * Called by port to notify transition to online state.
  995. */
  996. static void
  997. bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
  998. {
  999. bfa_fcs_lport_ns_online(port);
  1000. bfa_fcs_lport_fab_scn_online(port);
  1001. }
  1002. /*
  1003. * Called by port to notify transition to offline state.
  1004. */
  1005. static void
  1006. bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
  1007. {
  1008. bfa_fcs_lport_ns_offline(port);
  1009. bfa_fcs_lport_scn_offline(port);
  1010. bfa_fcs_lport_ms_offline(port);
  1011. }
  1012. /*
  1013. * bfa_fcs_lport_n2n functions
  1014. */
  1015. /*
  1016. * Called by fcs/port to initialize N2N topology.
  1017. */
  1018. static void
  1019. bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
  1020. {
  1021. }
  1022. /*
  1023. * Called by fcs/port to notify transition to online state.
  1024. */
  1025. static void
  1026. bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
  1027. {
  1028. struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
  1029. struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
  1030. struct bfa_fcs_rport_s *rport;
  1031. bfa_trc(port->fcs, pcfg->pwwn);
  1032. /*
  1033. * If our PWWN is > than that of the r-port, we have to initiate PLOGI
  1034. * and assign an Address. if not, we need to wait for its PLOGI.
  1035. *
  1036. * If our PWWN is < than that of the remote port, it will send a PLOGI
  1037. * with the PIDs assigned. The rport state machine take care of this
  1038. * incoming PLOGI.
  1039. */
  1040. if (memcmp
  1041. ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
  1042. sizeof(wwn_t)) > 0) {
  1043. port->pid = N2N_LOCAL_PID;
  1044. bfa_lps_set_n2n_pid(port->fabric->lps, N2N_LOCAL_PID);
  1045. /*
  1046. * First, check if we know the device by pwwn.
  1047. */
  1048. rport = bfa_fcs_lport_get_rport_by_pwwn(port,
  1049. n2n_port->rem_port_wwn);
  1050. if (rport) {
  1051. bfa_trc(port->fcs, rport->pid);
  1052. bfa_trc(port->fcs, rport->pwwn);
  1053. rport->pid = N2N_REMOTE_PID;
  1054. bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
  1055. return;
  1056. }
  1057. /*
  1058. * In n2n there can be only one rport. Delete the old one
  1059. * whose pid should be zero, because it is offline.
  1060. */
  1061. if (port->num_rports > 0) {
  1062. rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
  1063. WARN_ON(rport == NULL);
  1064. if (rport) {
  1065. bfa_trc(port->fcs, rport->pwwn);
  1066. bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
  1067. }
  1068. }
  1069. bfa_fcs_rport_create(port, N2N_REMOTE_PID);
  1070. }
  1071. }
  1072. /*
  1073. * Called by fcs/port to notify transition to offline state.
  1074. */
  1075. static void
  1076. bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
  1077. {
  1078. struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
  1079. bfa_trc(port->fcs, port->pid);
  1080. port->pid = 0;
  1081. n2n_port->rem_port_wwn = 0;
  1082. n2n_port->reply_oxid = 0;
  1083. }
  1084. void
  1085. bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
  1086. {
  1087. int i = 0, j = 0, bit = 0, alpa_bit = 0;
  1088. u8 k = 0;
  1089. struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(port->fcs->bfa);
  1090. port->port_topo.ploop.alpabm_valid = fcport->alpabm_valid;
  1091. port->pid = fcport->myalpa;
  1092. port->pid = bfa_hton3b(port->pid);
  1093. for (i = 0; i < (FC_ALPA_MAX / 8); i++) {
  1094. for (j = 0, alpa_bit = 0; j < 8; j++, alpa_bit++) {
  1095. bfa_trc(port->fcs->bfa, fcport->alpabm.alpa_bm[i]);
  1096. bit = (fcport->alpabm.alpa_bm[i] & (1 << (7 - j)));
  1097. if (bit) {
  1098. port->port_topo.ploop.alpa_pos_map[k] =
  1099. loop_alpa_map[(i * 8) + alpa_bit];
  1100. k++;
  1101. bfa_trc(port->fcs->bfa, k);
  1102. bfa_trc(port->fcs->bfa,
  1103. port->port_topo.ploop.alpa_pos_map[k]);
  1104. }
  1105. }
  1106. }
  1107. port->port_topo.ploop.num_alpa = k;
  1108. }
  1109. /*
  1110. * Called by fcs/port to initialize Loop topology.
  1111. */
  1112. static void
  1113. bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port)
  1114. {
  1115. }
  1116. /*
  1117. * Called by fcs/port to notify transition to online state.
  1118. */
  1119. static void
  1120. bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port)
  1121. {
  1122. u8 num_alpa = 0, alpabm_valid = 0;
  1123. struct bfa_fcs_rport_s *rport;
  1124. u8 *alpa_map = NULL;
  1125. int i = 0;
  1126. u32 pid;
  1127. bfa_fcport_get_loop_attr(port);
  1128. num_alpa = port->port_topo.ploop.num_alpa;
  1129. alpabm_valid = port->port_topo.ploop.alpabm_valid;
  1130. alpa_map = port->port_topo.ploop.alpa_pos_map;
  1131. bfa_trc(port->fcs->bfa, port->pid);
  1132. bfa_trc(port->fcs->bfa, num_alpa);
  1133. if (alpabm_valid == 1) {
  1134. for (i = 0; i < num_alpa; i++) {
  1135. bfa_trc(port->fcs->bfa, alpa_map[i]);
  1136. if (alpa_map[i] != bfa_hton3b(port->pid)) {
  1137. pid = alpa_map[i];
  1138. bfa_trc(port->fcs->bfa, pid);
  1139. rport = bfa_fcs_lport_get_rport_by_pid(port,
  1140. bfa_hton3b(pid));
  1141. if (!rport)
  1142. rport = bfa_fcs_rport_create(port,
  1143. bfa_hton3b(pid));
  1144. }
  1145. }
  1146. } else {
  1147. for (i = 0; i < MAX_ALPA_COUNT; i++) {
  1148. if (alpa_map[i] != port->pid) {
  1149. pid = loop_alpa_map[i];
  1150. bfa_trc(port->fcs->bfa, pid);
  1151. rport = bfa_fcs_lport_get_rport_by_pid(port,
  1152. bfa_hton3b(pid));
  1153. if (!rport)
  1154. rport = bfa_fcs_rport_create(port,
  1155. bfa_hton3b(pid));
  1156. }
  1157. }
  1158. }
  1159. }
  1160. /*
  1161. * Called by fcs/port to notify transition to offline state.
  1162. */
  1163. static void
  1164. bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port)
  1165. {
  1166. }
  1167. #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
  1168. /*
  1169. * forward declarations
  1170. */
  1171. static void bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
  1172. struct bfa_fcxp_s *fcxp_alloced);
  1173. static void bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
  1174. struct bfa_fcxp_s *fcxp_alloced);
  1175. static void bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
  1176. struct bfa_fcxp_s *fcxp_alloced);
  1177. static void bfa_fcs_lport_fdmi_rhba_response(void *fcsarg,
  1178. struct bfa_fcxp_s *fcxp,
  1179. void *cbarg,
  1180. bfa_status_t req_status,
  1181. u32 rsp_len,
  1182. u32 resid_len,
  1183. struct fchs_s *rsp_fchs);
  1184. static void bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
  1185. struct bfa_fcxp_s *fcxp,
  1186. void *cbarg,
  1187. bfa_status_t req_status,
  1188. u32 rsp_len,
  1189. u32 resid_len,
  1190. struct fchs_s *rsp_fchs);
  1191. static void bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
  1192. struct bfa_fcxp_s *fcxp,
  1193. void *cbarg,
  1194. bfa_status_t req_status,
  1195. u32 rsp_len,
  1196. u32 resid_len,
  1197. struct fchs_s *rsp_fchs);
  1198. static void bfa_fcs_lport_fdmi_timeout(void *arg);
  1199. static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
  1200. u8 *pyld);
  1201. static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
  1202. u8 *pyld);
  1203. static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
  1204. u8 *pyld);
  1205. static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
  1206. fdmi, u8 *pyld);
  1207. static void bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
  1208. struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
  1209. static void bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
  1210. struct bfa_fcs_fdmi_port_attr_s *port_attr);
  1211. u32 bfa_fcs_fdmi_convert_speed(enum bfa_port_speed pport_speed);
  1212. /*
  1213. * fcs_fdmi_sm FCS FDMI state machine
  1214. */
  1215. /*
  1216. * FDMI State Machine events
  1217. */
  1218. enum port_fdmi_event {
  1219. FDMISM_EVENT_PORT_ONLINE = 1,
  1220. FDMISM_EVENT_PORT_OFFLINE = 2,
  1221. FDMISM_EVENT_RSP_OK = 4,
  1222. FDMISM_EVENT_RSP_ERROR = 5,
  1223. FDMISM_EVENT_TIMEOUT = 6,
  1224. FDMISM_EVENT_RHBA_SENT = 7,
  1225. FDMISM_EVENT_RPRT_SENT = 8,
  1226. FDMISM_EVENT_RPA_SENT = 9,
  1227. };
  1228. static void bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
  1229. enum port_fdmi_event event);
  1230. static void bfa_fcs_lport_fdmi_sm_sending_rhba(
  1231. struct bfa_fcs_lport_fdmi_s *fdmi,
  1232. enum port_fdmi_event event);
  1233. static void bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
  1234. enum port_fdmi_event event);
  1235. static void bfa_fcs_lport_fdmi_sm_rhba_retry(
  1236. struct bfa_fcs_lport_fdmi_s *fdmi,
  1237. enum port_fdmi_event event);
  1238. static void bfa_fcs_lport_fdmi_sm_sending_rprt(
  1239. struct bfa_fcs_lport_fdmi_s *fdmi,
  1240. enum port_fdmi_event event);
  1241. static void bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
  1242. enum port_fdmi_event event);
  1243. static void bfa_fcs_lport_fdmi_sm_rprt_retry(
  1244. struct bfa_fcs_lport_fdmi_s *fdmi,
  1245. enum port_fdmi_event event);
  1246. static void bfa_fcs_lport_fdmi_sm_sending_rpa(
  1247. struct bfa_fcs_lport_fdmi_s *fdmi,
  1248. enum port_fdmi_event event);
  1249. static void bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
  1250. enum port_fdmi_event event);
  1251. static void bfa_fcs_lport_fdmi_sm_rpa_retry(
  1252. struct bfa_fcs_lport_fdmi_s *fdmi,
  1253. enum port_fdmi_event event);
  1254. static void bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
  1255. enum port_fdmi_event event);
  1256. static void bfa_fcs_lport_fdmi_sm_disabled(
  1257. struct bfa_fcs_lport_fdmi_s *fdmi,
  1258. enum port_fdmi_event event);
  1259. /*
  1260. * Start in offline state - awaiting MS to send start.
  1261. */
  1262. static void
  1263. bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
  1264. enum port_fdmi_event event)
  1265. {
  1266. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1267. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1268. bfa_trc(port->fcs, event);
  1269. fdmi->retry_cnt = 0;
  1270. switch (event) {
  1271. case FDMISM_EVENT_PORT_ONLINE:
  1272. if (port->vport) {
  1273. /*
  1274. * For Vports, register a new port.
  1275. */
  1276. bfa_sm_set_state(fdmi,
  1277. bfa_fcs_lport_fdmi_sm_sending_rprt);
  1278. bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
  1279. } else {
  1280. /*
  1281. * For a base port, we should first register the HBA
  1282. * attribute. The HBA attribute also contains the base
  1283. * port registration.
  1284. */
  1285. bfa_sm_set_state(fdmi,
  1286. bfa_fcs_lport_fdmi_sm_sending_rhba);
  1287. bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
  1288. }
  1289. break;
  1290. case FDMISM_EVENT_PORT_OFFLINE:
  1291. break;
  1292. default:
  1293. bfa_sm_fault(port->fcs, event);
  1294. }
  1295. }
  1296. static void
  1297. bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
  1298. enum port_fdmi_event event)
  1299. {
  1300. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1301. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1302. bfa_trc(port->fcs, event);
  1303. switch (event) {
  1304. case FDMISM_EVENT_RHBA_SENT:
  1305. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
  1306. break;
  1307. case FDMISM_EVENT_PORT_OFFLINE:
  1308. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1309. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
  1310. &fdmi->fcxp_wqe);
  1311. break;
  1312. default:
  1313. bfa_sm_fault(port->fcs, event);
  1314. }
  1315. }
  1316. static void
  1317. bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
  1318. enum port_fdmi_event event)
  1319. {
  1320. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1321. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1322. bfa_trc(port->fcs, event);
  1323. switch (event) {
  1324. case FDMISM_EVENT_RSP_ERROR:
  1325. /*
  1326. * if max retries have not been reached, start timer for a
  1327. * delayed retry
  1328. */
  1329. if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
  1330. bfa_sm_set_state(fdmi,
  1331. bfa_fcs_lport_fdmi_sm_rhba_retry);
  1332. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
  1333. &fdmi->timer,
  1334. bfa_fcs_lport_fdmi_timeout, fdmi,
  1335. BFA_FCS_RETRY_TIMEOUT);
  1336. } else {
  1337. /*
  1338. * set state to offline
  1339. */
  1340. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1341. }
  1342. break;
  1343. case FDMISM_EVENT_RSP_OK:
  1344. /*
  1345. * Initiate Register Port Attributes
  1346. */
  1347. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
  1348. fdmi->retry_cnt = 0;
  1349. bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
  1350. break;
  1351. case FDMISM_EVENT_PORT_OFFLINE:
  1352. bfa_fcxp_discard(fdmi->fcxp);
  1353. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1354. break;
  1355. default:
  1356. bfa_sm_fault(port->fcs, event);
  1357. }
  1358. }
  1359. static void
  1360. bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
  1361. enum port_fdmi_event event)
  1362. {
  1363. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1364. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1365. bfa_trc(port->fcs, event);
  1366. switch (event) {
  1367. case FDMISM_EVENT_TIMEOUT:
  1368. /*
  1369. * Retry Timer Expired. Re-send
  1370. */
  1371. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
  1372. bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
  1373. break;
  1374. case FDMISM_EVENT_PORT_OFFLINE:
  1375. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1376. bfa_timer_stop(&fdmi->timer);
  1377. break;
  1378. default:
  1379. bfa_sm_fault(port->fcs, event);
  1380. }
  1381. }
  1382. /*
  1383. * RPRT : Register Port
  1384. */
  1385. static void
  1386. bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
  1387. enum port_fdmi_event event)
  1388. {
  1389. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1390. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1391. bfa_trc(port->fcs, event);
  1392. switch (event) {
  1393. case FDMISM_EVENT_RPRT_SENT:
  1394. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
  1395. break;
  1396. case FDMISM_EVENT_PORT_OFFLINE:
  1397. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1398. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
  1399. &fdmi->fcxp_wqe);
  1400. break;
  1401. default:
  1402. bfa_sm_fault(port->fcs, event);
  1403. }
  1404. }
  1405. static void
  1406. bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
  1407. enum port_fdmi_event event)
  1408. {
  1409. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1410. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1411. bfa_trc(port->fcs, event);
  1412. switch (event) {
  1413. case FDMISM_EVENT_RSP_ERROR:
  1414. /*
  1415. * if max retries have not been reached, start timer for a
  1416. * delayed retry
  1417. */
  1418. if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
  1419. bfa_sm_set_state(fdmi,
  1420. bfa_fcs_lport_fdmi_sm_rprt_retry);
  1421. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
  1422. &fdmi->timer,
  1423. bfa_fcs_lport_fdmi_timeout, fdmi,
  1424. BFA_FCS_RETRY_TIMEOUT);
  1425. } else {
  1426. /*
  1427. * set state to offline
  1428. */
  1429. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1430. fdmi->retry_cnt = 0;
  1431. }
  1432. break;
  1433. case FDMISM_EVENT_RSP_OK:
  1434. fdmi->retry_cnt = 0;
  1435. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
  1436. break;
  1437. case FDMISM_EVENT_PORT_OFFLINE:
  1438. bfa_fcxp_discard(fdmi->fcxp);
  1439. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1440. break;
  1441. default:
  1442. bfa_sm_fault(port->fcs, event);
  1443. }
  1444. }
  1445. static void
  1446. bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
  1447. enum port_fdmi_event event)
  1448. {
  1449. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1450. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1451. bfa_trc(port->fcs, event);
  1452. switch (event) {
  1453. case FDMISM_EVENT_TIMEOUT:
  1454. /*
  1455. * Retry Timer Expired. Re-send
  1456. */
  1457. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
  1458. bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
  1459. break;
  1460. case FDMISM_EVENT_PORT_OFFLINE:
  1461. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1462. bfa_timer_stop(&fdmi->timer);
  1463. break;
  1464. default:
  1465. bfa_sm_fault(port->fcs, event);
  1466. }
  1467. }
  1468. /*
  1469. * Register Port Attributes
  1470. */
  1471. static void
  1472. bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
  1473. enum port_fdmi_event event)
  1474. {
  1475. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1476. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1477. bfa_trc(port->fcs, event);
  1478. switch (event) {
  1479. case FDMISM_EVENT_RPA_SENT:
  1480. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
  1481. break;
  1482. case FDMISM_EVENT_PORT_OFFLINE:
  1483. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1484. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
  1485. &fdmi->fcxp_wqe);
  1486. break;
  1487. default:
  1488. bfa_sm_fault(port->fcs, event);
  1489. }
  1490. }
  1491. static void
  1492. bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
  1493. enum port_fdmi_event event)
  1494. {
  1495. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1496. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1497. bfa_trc(port->fcs, event);
  1498. switch (event) {
  1499. case FDMISM_EVENT_RSP_ERROR:
  1500. /*
  1501. * if max retries have not been reached, start timer for a
  1502. * delayed retry
  1503. */
  1504. if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
  1505. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry);
  1506. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
  1507. &fdmi->timer,
  1508. bfa_fcs_lport_fdmi_timeout, fdmi,
  1509. BFA_FCS_RETRY_TIMEOUT);
  1510. } else {
  1511. /*
  1512. * set state to offline
  1513. */
  1514. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1515. fdmi->retry_cnt = 0;
  1516. }
  1517. break;
  1518. case FDMISM_EVENT_RSP_OK:
  1519. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
  1520. fdmi->retry_cnt = 0;
  1521. break;
  1522. case FDMISM_EVENT_PORT_OFFLINE:
  1523. bfa_fcxp_discard(fdmi->fcxp);
  1524. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1525. break;
  1526. default:
  1527. bfa_sm_fault(port->fcs, event);
  1528. }
  1529. }
  1530. static void
  1531. bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
  1532. enum port_fdmi_event event)
  1533. {
  1534. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1535. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1536. bfa_trc(port->fcs, event);
  1537. switch (event) {
  1538. case FDMISM_EVENT_TIMEOUT:
  1539. /*
  1540. * Retry Timer Expired. Re-send
  1541. */
  1542. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
  1543. bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
  1544. break;
  1545. case FDMISM_EVENT_PORT_OFFLINE:
  1546. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1547. bfa_timer_stop(&fdmi->timer);
  1548. break;
  1549. default:
  1550. bfa_sm_fault(port->fcs, event);
  1551. }
  1552. }
  1553. static void
  1554. bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
  1555. enum port_fdmi_event event)
  1556. {
  1557. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1558. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1559. bfa_trc(port->fcs, event);
  1560. switch (event) {
  1561. case FDMISM_EVENT_PORT_OFFLINE:
  1562. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1563. break;
  1564. default:
  1565. bfa_sm_fault(port->fcs, event);
  1566. }
  1567. }
  1568. /*
  1569. * FDMI is disabled state.
  1570. */
  1571. static void
  1572. bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
  1573. enum port_fdmi_event event)
  1574. {
  1575. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1576. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1577. bfa_trc(port->fcs, event);
  1578. /* No op State. It can only be enabled at Driver Init. */
  1579. }
  1580. /*
  1581. * RHBA : Register HBA Attributes.
  1582. */
  1583. static void
  1584. bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  1585. {
  1586. struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
  1587. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1588. struct fchs_s fchs;
  1589. int len, attr_len;
  1590. struct bfa_fcxp_s *fcxp;
  1591. u8 *pyld;
  1592. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1593. fcxp = fcxp_alloced ? fcxp_alloced :
  1594. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  1595. if (!fcxp) {
  1596. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
  1597. bfa_fcs_lport_fdmi_send_rhba, fdmi, BFA_TRUE);
  1598. return;
  1599. }
  1600. fdmi->fcxp = fcxp;
  1601. pyld = bfa_fcxp_get_reqbuf(fcxp);
  1602. memset(pyld, 0, FC_MAX_PDUSZ);
  1603. len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
  1604. FDMI_RHBA);
  1605. attr_len =
  1606. bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
  1607. (u8 *) ((struct ct_hdr_s *) pyld
  1608. + 1));
  1609. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  1610. FC_CLASS_3, (len + attr_len), &fchs,
  1611. bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi,
  1612. FC_MAX_PDUSZ, FC_FCCT_TOV);
  1613. bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
  1614. }
  1615. static u16
  1616. bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
  1617. {
  1618. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1619. struct bfa_fcs_fdmi_hba_attr_s hba_attr;
  1620. struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
  1621. struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
  1622. struct fdmi_attr_s *attr;
  1623. u8 *curr_ptr;
  1624. u16 len, count;
  1625. u16 templen;
  1626. /*
  1627. * get hba attributes
  1628. */
  1629. bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
  1630. rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
  1631. rhba->port_list.num_ports = cpu_to_be32(1);
  1632. rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port);
  1633. len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
  1634. count = 0;
  1635. len += sizeof(rhba->hba_attr_blk.attr_count);
  1636. /*
  1637. * fill out the invididual entries of the HBA attrib Block
  1638. */
  1639. curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
  1640. /*
  1641. * Node Name
  1642. */
  1643. attr = (struct fdmi_attr_s *) curr_ptr;
  1644. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODENAME);
  1645. templen = sizeof(wwn_t);
  1646. memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), templen);
  1647. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1648. len += templen;
  1649. count++;
  1650. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1651. sizeof(templen));
  1652. /*
  1653. * Manufacturer
  1654. */
  1655. attr = (struct fdmi_attr_s *) curr_ptr;
  1656. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MANUFACTURER);
  1657. templen = (u16) strlen(fcs_hba_attr->manufacturer);
  1658. memcpy(attr->value, fcs_hba_attr->manufacturer, templen);
  1659. templen = fc_roundup(templen, sizeof(u32));
  1660. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1661. len += templen;
  1662. count++;
  1663. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1664. sizeof(templen));
  1665. /*
  1666. * Serial Number
  1667. */
  1668. attr = (struct fdmi_attr_s *) curr_ptr;
  1669. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_SERIALNUM);
  1670. templen = (u16) strlen(fcs_hba_attr->serial_num);
  1671. memcpy(attr->value, fcs_hba_attr->serial_num, templen);
  1672. templen = fc_roundup(templen, sizeof(u32));
  1673. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1674. len += templen;
  1675. count++;
  1676. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1677. sizeof(templen));
  1678. /*
  1679. * Model
  1680. */
  1681. attr = (struct fdmi_attr_s *) curr_ptr;
  1682. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL);
  1683. templen = (u16) strlen(fcs_hba_attr->model);
  1684. memcpy(attr->value, fcs_hba_attr->model, templen);
  1685. templen = fc_roundup(templen, sizeof(u32));
  1686. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1687. len += templen;
  1688. count++;
  1689. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1690. sizeof(templen));
  1691. /*
  1692. * Model Desc
  1693. */
  1694. attr = (struct fdmi_attr_s *) curr_ptr;
  1695. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL_DESC);
  1696. templen = (u16) strlen(fcs_hba_attr->model_desc);
  1697. memcpy(attr->value, fcs_hba_attr->model_desc, templen);
  1698. templen = fc_roundup(templen, sizeof(u32));
  1699. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1700. len += templen;
  1701. count++;
  1702. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1703. sizeof(templen));
  1704. /*
  1705. * H/W Version
  1706. */
  1707. if (fcs_hba_attr->hw_version[0] != '\0') {
  1708. attr = (struct fdmi_attr_s *) curr_ptr;
  1709. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_HW_VERSION);
  1710. templen = (u16) strlen(fcs_hba_attr->hw_version);
  1711. memcpy(attr->value, fcs_hba_attr->hw_version, templen);
  1712. templen = fc_roundup(templen, sizeof(u32));
  1713. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1714. len += templen;
  1715. count++;
  1716. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1717. sizeof(templen));
  1718. }
  1719. /*
  1720. * Driver Version
  1721. */
  1722. attr = (struct fdmi_attr_s *) curr_ptr;
  1723. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_DRIVER_VERSION);
  1724. templen = (u16) strlen(fcs_hba_attr->driver_version);
  1725. memcpy(attr->value, fcs_hba_attr->driver_version, templen);
  1726. templen = fc_roundup(templen, sizeof(u32));
  1727. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1728. len += templen;
  1729. count++;
  1730. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1731. sizeof(templen));
  1732. /*
  1733. * Option Rom Version
  1734. */
  1735. if (fcs_hba_attr->option_rom_ver[0] != '\0') {
  1736. attr = (struct fdmi_attr_s *) curr_ptr;
  1737. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_ROM_VERSION);
  1738. templen = (u16) strlen(fcs_hba_attr->option_rom_ver);
  1739. memcpy(attr->value, fcs_hba_attr->option_rom_ver, templen);
  1740. templen = fc_roundup(templen, sizeof(u32));
  1741. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1742. len += templen;
  1743. count++;
  1744. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1745. sizeof(templen));
  1746. }
  1747. attr = (struct fdmi_attr_s *) curr_ptr;
  1748. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
  1749. templen = (u16) strlen(fcs_hba_attr->fw_version);
  1750. memcpy(attr->value, fcs_hba_attr->fw_version, templen);
  1751. templen = fc_roundup(templen, sizeof(u32));
  1752. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1753. len += templen;
  1754. count++;
  1755. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1756. sizeof(templen));
  1757. /*
  1758. * OS Name
  1759. */
  1760. if (fcs_hba_attr->os_name[0] != '\0') {
  1761. attr = (struct fdmi_attr_s *) curr_ptr;
  1762. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_OS_NAME);
  1763. templen = (u16) strlen(fcs_hba_attr->os_name);
  1764. memcpy(attr->value, fcs_hba_attr->os_name, templen);
  1765. templen = fc_roundup(templen, sizeof(u32));
  1766. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1767. len += templen;
  1768. count++;
  1769. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1770. sizeof(templen));
  1771. }
  1772. /*
  1773. * MAX_CT_PAYLOAD
  1774. */
  1775. attr = (struct fdmi_attr_s *) curr_ptr;
  1776. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MAX_CT);
  1777. templen = sizeof(fcs_hba_attr->max_ct_pyld);
  1778. memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, templen);
  1779. templen = fc_roundup(templen, sizeof(u32));
  1780. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1781. len += templen;
  1782. count++;
  1783. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1784. sizeof(templen));
  1785. /*
  1786. * Send extended attributes ( FOS 7.1 support )
  1787. */
  1788. if (fdmi->retry_cnt == 0) {
  1789. attr = (struct fdmi_attr_s *) curr_ptr;
  1790. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODE_SYM_NAME);
  1791. templen = sizeof(fcs_hba_attr->node_sym_name);
  1792. memcpy(attr->value, &fcs_hba_attr->node_sym_name, templen);
  1793. templen = fc_roundup(templen, sizeof(u32));
  1794. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1795. len += templen;
  1796. count++;
  1797. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1798. sizeof(templen));
  1799. attr = (struct fdmi_attr_s *) curr_ptr;
  1800. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_VENDOR_ID);
  1801. templen = sizeof(fcs_hba_attr->vendor_info);
  1802. memcpy(attr->value, &fcs_hba_attr->vendor_info, templen);
  1803. templen = fc_roundup(templen, sizeof(u32));
  1804. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1805. len += templen;
  1806. count++;
  1807. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1808. sizeof(templen));
  1809. attr = (struct fdmi_attr_s *) curr_ptr;
  1810. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NUM_PORTS);
  1811. templen = sizeof(fcs_hba_attr->num_ports);
  1812. memcpy(attr->value, &fcs_hba_attr->num_ports, templen);
  1813. templen = fc_roundup(templen, sizeof(u32));
  1814. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1815. len += templen;
  1816. count++;
  1817. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1818. sizeof(templen));
  1819. attr = (struct fdmi_attr_s *) curr_ptr;
  1820. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FABRIC_NAME);
  1821. templen = sizeof(fcs_hba_attr->fabric_name);
  1822. memcpy(attr->value, &fcs_hba_attr->fabric_name, templen);
  1823. templen = fc_roundup(templen, sizeof(u32));
  1824. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1825. len += templen;
  1826. count++;
  1827. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1828. sizeof(templen));
  1829. attr = (struct fdmi_attr_s *) curr_ptr;
  1830. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_BIOS_VER);
  1831. templen = sizeof(fcs_hba_attr->bios_ver);
  1832. memcpy(attr->value, &fcs_hba_attr->bios_ver, templen);
  1833. templen = fc_roundup(attr->len, sizeof(u32));
  1834. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1835. len += templen;
  1836. count++;
  1837. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1838. sizeof(templen));
  1839. }
  1840. /*
  1841. * Update size of payload
  1842. */
  1843. len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
  1844. rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
  1845. return len;
  1846. }
  1847. static void
  1848. bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  1849. void *cbarg, bfa_status_t req_status,
  1850. u32 rsp_len, u32 resid_len,
  1851. struct fchs_s *rsp_fchs)
  1852. {
  1853. struct bfa_fcs_lport_fdmi_s *fdmi =
  1854. (struct bfa_fcs_lport_fdmi_s *) cbarg;
  1855. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1856. struct ct_hdr_s *cthdr = NULL;
  1857. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1858. /*
  1859. * Sanity Checks
  1860. */
  1861. if (req_status != BFA_STATUS_OK) {
  1862. bfa_trc(port->fcs, req_status);
  1863. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
  1864. return;
  1865. }
  1866. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  1867. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  1868. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  1869. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
  1870. return;
  1871. }
  1872. bfa_trc(port->fcs, cthdr->reason_code);
  1873. bfa_trc(port->fcs, cthdr->exp_code);
  1874. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
  1875. }
  1876. /*
  1877. * RPRT : Register Port
  1878. */
  1879. static void
  1880. bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  1881. {
  1882. struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
  1883. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1884. struct fchs_s fchs;
  1885. u16 len, attr_len;
  1886. struct bfa_fcxp_s *fcxp;
  1887. u8 *pyld;
  1888. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1889. fcxp = fcxp_alloced ? fcxp_alloced :
  1890. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  1891. if (!fcxp) {
  1892. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
  1893. bfa_fcs_lport_fdmi_send_rprt, fdmi, BFA_TRUE);
  1894. return;
  1895. }
  1896. fdmi->fcxp = fcxp;
  1897. pyld = bfa_fcxp_get_reqbuf(fcxp);
  1898. memset(pyld, 0, FC_MAX_PDUSZ);
  1899. len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
  1900. FDMI_RPRT);
  1901. attr_len =
  1902. bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
  1903. (u8 *) ((struct ct_hdr_s *) pyld
  1904. + 1));
  1905. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  1906. FC_CLASS_3, len + attr_len, &fchs,
  1907. bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
  1908. FC_MAX_PDUSZ, FC_FCCT_TOV);
  1909. bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
  1910. }
  1911. /*
  1912. * This routine builds Port Attribute Block that used in RPA, RPRT commands.
  1913. */
  1914. static u16
  1915. bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
  1916. u8 *pyld)
  1917. {
  1918. struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
  1919. struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
  1920. struct fdmi_attr_s *attr;
  1921. u8 *curr_ptr;
  1922. u16 len;
  1923. u8 count = 0;
  1924. u16 templen;
  1925. /*
  1926. * get port attributes
  1927. */
  1928. bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
  1929. len = sizeof(port_attrib->attr_count);
  1930. /*
  1931. * fill out the invididual entries
  1932. */
  1933. curr_ptr = (u8 *) &port_attrib->port_attr;
  1934. /*
  1935. * FC4 Types
  1936. */
  1937. attr = (struct fdmi_attr_s *) curr_ptr;
  1938. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
  1939. templen = sizeof(fcs_port_attr.supp_fc4_types);
  1940. memcpy(attr->value, fcs_port_attr.supp_fc4_types, templen);
  1941. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1942. len += templen;
  1943. ++count;
  1944. attr->len =
  1945. cpu_to_be16(templen + sizeof(attr->type) +
  1946. sizeof(templen));
  1947. /*
  1948. * Supported Speed
  1949. */
  1950. attr = (struct fdmi_attr_s *) curr_ptr;
  1951. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
  1952. templen = sizeof(fcs_port_attr.supp_speed);
  1953. memcpy(attr->value, &fcs_port_attr.supp_speed, templen);
  1954. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1955. len += templen;
  1956. ++count;
  1957. attr->len =
  1958. cpu_to_be16(templen + sizeof(attr->type) +
  1959. sizeof(templen));
  1960. /*
  1961. * current Port Speed
  1962. */
  1963. attr = (struct fdmi_attr_s *) curr_ptr;
  1964. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
  1965. templen = sizeof(fcs_port_attr.curr_speed);
  1966. memcpy(attr->value, &fcs_port_attr.curr_speed, templen);
  1967. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1968. len += templen;
  1969. ++count;
  1970. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1971. sizeof(templen));
  1972. /*
  1973. * max frame size
  1974. */
  1975. attr = (struct fdmi_attr_s *) curr_ptr;
  1976. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
  1977. templen = sizeof(fcs_port_attr.max_frm_size);
  1978. memcpy(attr->value, &fcs_port_attr.max_frm_size, templen);
  1979. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1980. len += templen;
  1981. ++count;
  1982. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1983. sizeof(templen));
  1984. /*
  1985. * OS Device Name
  1986. */
  1987. if (fcs_port_attr.os_device_name[0] != '\0') {
  1988. attr = (struct fdmi_attr_s *) curr_ptr;
  1989. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
  1990. templen = (u16) strlen(fcs_port_attr.os_device_name);
  1991. memcpy(attr->value, fcs_port_attr.os_device_name, templen);
  1992. templen = fc_roundup(templen, sizeof(u32));
  1993. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1994. len += templen;
  1995. ++count;
  1996. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1997. sizeof(templen));
  1998. }
  1999. /*
  2000. * Host Name
  2001. */
  2002. if (fcs_port_attr.host_name[0] != '\0') {
  2003. attr = (struct fdmi_attr_s *) curr_ptr;
  2004. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
  2005. templen = (u16) strlen(fcs_port_attr.host_name);
  2006. memcpy(attr->value, fcs_port_attr.host_name, templen);
  2007. templen = fc_roundup(templen, sizeof(u32));
  2008. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2009. len += templen;
  2010. ++count;
  2011. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2012. sizeof(templen));
  2013. }
  2014. if (fdmi->retry_cnt == 0) {
  2015. attr = (struct fdmi_attr_s *) curr_ptr;
  2016. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_NODE_NAME);
  2017. templen = sizeof(fcs_port_attr.node_name);
  2018. memcpy(attr->value, &fcs_port_attr.node_name, templen);
  2019. templen = fc_roundup(templen, sizeof(u32));
  2020. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2021. len += templen;
  2022. ++count;
  2023. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2024. sizeof(templen));
  2025. attr = (struct fdmi_attr_s *) curr_ptr;
  2026. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NAME);
  2027. templen = sizeof(fcs_port_attr.port_name);
  2028. memcpy(attr->value, &fcs_port_attr.port_name, templen);
  2029. templen = fc_roundup(templen, sizeof(u32));
  2030. curr_ptr += sizeof(attr->type) + sizeof(attr->len) + templen;
  2031. len += templen;
  2032. ++count;
  2033. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2034. sizeof(templen));
  2035. if (fcs_port_attr.port_sym_name.symname[0] != '\0') {
  2036. attr = (struct fdmi_attr_s *) curr_ptr;
  2037. attr->type =
  2038. cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SYM_NAME);
  2039. templen = sizeof(fcs_port_attr.port_sym_name);
  2040. memcpy(attr->value,
  2041. &fcs_port_attr.port_sym_name, templen);
  2042. templen = fc_roundup(templen, sizeof(u32));
  2043. curr_ptr += sizeof(attr->type) +
  2044. sizeof(templen) + templen;
  2045. len += templen;
  2046. ++count;
  2047. attr->len = cpu_to_be16(templen +
  2048. sizeof(attr->type) + sizeof(templen));
  2049. }
  2050. attr = (struct fdmi_attr_s *) curr_ptr;
  2051. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_TYPE);
  2052. templen = sizeof(fcs_port_attr.port_type);
  2053. memcpy(attr->value, &fcs_port_attr.port_type, templen);
  2054. templen = fc_roundup(templen, sizeof(u32));
  2055. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2056. len += templen;
  2057. ++count;
  2058. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2059. sizeof(templen));
  2060. attr = (struct fdmi_attr_s *) curr_ptr;
  2061. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_COS);
  2062. templen = sizeof(fcs_port_attr.scos);
  2063. memcpy(attr->value, &fcs_port_attr.scos, templen);
  2064. templen = fc_roundup(templen, sizeof(u32));
  2065. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2066. len += templen;
  2067. ++count;
  2068. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2069. sizeof(templen));
  2070. attr = (struct fdmi_attr_s *) curr_ptr;
  2071. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FAB_NAME);
  2072. templen = sizeof(fcs_port_attr.port_fabric_name);
  2073. memcpy(attr->value, &fcs_port_attr.port_fabric_name, templen);
  2074. templen = fc_roundup(templen, sizeof(u32));
  2075. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2076. len += templen;
  2077. ++count;
  2078. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2079. sizeof(templen));
  2080. attr = (struct fdmi_attr_s *) curr_ptr;
  2081. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FC4_TYPE);
  2082. templen = sizeof(fcs_port_attr.port_act_fc4_type);
  2083. memcpy(attr->value, fcs_port_attr.port_act_fc4_type,
  2084. templen);
  2085. templen = fc_roundup(templen, sizeof(u32));
  2086. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2087. len += templen;
  2088. ++count;
  2089. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2090. sizeof(templen));
  2091. attr = (struct fdmi_attr_s *) curr_ptr;
  2092. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_STATE);
  2093. templen = sizeof(fcs_port_attr.port_state);
  2094. memcpy(attr->value, &fcs_port_attr.port_state, templen);
  2095. templen = fc_roundup(templen, sizeof(u32));
  2096. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2097. len += templen;
  2098. ++count;
  2099. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2100. sizeof(templen));
  2101. attr = (struct fdmi_attr_s *) curr_ptr;
  2102. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NUM_RPRT);
  2103. templen = sizeof(fcs_port_attr.num_ports);
  2104. memcpy(attr->value, &fcs_port_attr.num_ports, templen);
  2105. templen = fc_roundup(templen, sizeof(u32));
  2106. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2107. len += templen;
  2108. ++count;
  2109. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2110. sizeof(templen));
  2111. }
  2112. /*
  2113. * Update size of payload
  2114. */
  2115. port_attrib->attr_count = cpu_to_be32(count);
  2116. len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
  2117. return len;
  2118. }
  2119. static u16
  2120. bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
  2121. {
  2122. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  2123. struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
  2124. u16 len;
  2125. rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
  2126. rprt->port_name = bfa_fcs_lport_get_pwwn(port);
  2127. len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
  2128. (u8 *) &rprt->port_attr_blk);
  2129. len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
  2130. return len;
  2131. }
  2132. static void
  2133. bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  2134. void *cbarg, bfa_status_t req_status,
  2135. u32 rsp_len, u32 resid_len,
  2136. struct fchs_s *rsp_fchs)
  2137. {
  2138. struct bfa_fcs_lport_fdmi_s *fdmi =
  2139. (struct bfa_fcs_lport_fdmi_s *) cbarg;
  2140. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  2141. struct ct_hdr_s *cthdr = NULL;
  2142. bfa_trc(port->fcs, port->port_cfg.pwwn);
  2143. /*
  2144. * Sanity Checks
  2145. */
  2146. if (req_status != BFA_STATUS_OK) {
  2147. bfa_trc(port->fcs, req_status);
  2148. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
  2149. return;
  2150. }
  2151. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  2152. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  2153. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  2154. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
  2155. return;
  2156. }
  2157. bfa_trc(port->fcs, cthdr->reason_code);
  2158. bfa_trc(port->fcs, cthdr->exp_code);
  2159. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
  2160. }
  2161. /*
  2162. * RPA : Register Port Attributes.
  2163. */
  2164. static void
  2165. bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  2166. {
  2167. struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
  2168. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  2169. struct fchs_s fchs;
  2170. u16 len, attr_len;
  2171. struct bfa_fcxp_s *fcxp;
  2172. u8 *pyld;
  2173. bfa_trc(port->fcs, port->port_cfg.pwwn);
  2174. fcxp = fcxp_alloced ? fcxp_alloced :
  2175. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  2176. if (!fcxp) {
  2177. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
  2178. bfa_fcs_lport_fdmi_send_rpa, fdmi, BFA_TRUE);
  2179. return;
  2180. }
  2181. fdmi->fcxp = fcxp;
  2182. pyld = bfa_fcxp_get_reqbuf(fcxp);
  2183. memset(pyld, 0, FC_MAX_PDUSZ);
  2184. len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
  2185. FDMI_RPA);
  2186. attr_len = bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
  2187. (u8 *) ((struct ct_hdr_s *) pyld + 1));
  2188. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  2189. FC_CLASS_3, len + attr_len, &fchs,
  2190. bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
  2191. FC_MAX_PDUSZ, FC_FCCT_TOV);
  2192. bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
  2193. }
  2194. static u16
  2195. bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
  2196. {
  2197. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  2198. struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
  2199. u16 len;
  2200. rpa->port_name = bfa_fcs_lport_get_pwwn(port);
  2201. len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
  2202. (u8 *) &rpa->port_attr_blk);
  2203. len += sizeof(rpa->port_name);
  2204. return len;
  2205. }
  2206. static void
  2207. bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  2208. void *cbarg, bfa_status_t req_status, u32 rsp_len,
  2209. u32 resid_len, struct fchs_s *rsp_fchs)
  2210. {
  2211. struct bfa_fcs_lport_fdmi_s *fdmi =
  2212. (struct bfa_fcs_lport_fdmi_s *) cbarg;
  2213. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  2214. struct ct_hdr_s *cthdr = NULL;
  2215. bfa_trc(port->fcs, port->port_cfg.pwwn);
  2216. /*
  2217. * Sanity Checks
  2218. */
  2219. if (req_status != BFA_STATUS_OK) {
  2220. bfa_trc(port->fcs, req_status);
  2221. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
  2222. return;
  2223. }
  2224. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  2225. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  2226. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  2227. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
  2228. return;
  2229. }
  2230. bfa_trc(port->fcs, cthdr->reason_code);
  2231. bfa_trc(port->fcs, cthdr->exp_code);
  2232. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
  2233. }
  2234. static void
  2235. bfa_fcs_lport_fdmi_timeout(void *arg)
  2236. {
  2237. struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
  2238. bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
  2239. }
  2240. static void
  2241. bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
  2242. struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
  2243. {
  2244. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  2245. struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
  2246. struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
  2247. memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
  2248. bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
  2249. hba_attr->manufacturer);
  2250. bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
  2251. hba_attr->serial_num);
  2252. bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
  2253. hba_attr->model);
  2254. bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
  2255. hba_attr->model_desc);
  2256. bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
  2257. hba_attr->hw_version);
  2258. bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
  2259. hba_attr->option_rom_ver);
  2260. bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
  2261. hba_attr->fw_version);
  2262. strncpy(hba_attr->driver_version, (char *)driver_info->version,
  2263. sizeof(hba_attr->driver_version));
  2264. strncpy(hba_attr->os_name, driver_info->host_os_name,
  2265. sizeof(hba_attr->os_name));
  2266. /*
  2267. * If there is a patch level, append it
  2268. * to the os name along with a separator
  2269. */
  2270. if (driver_info->host_os_patch[0] != '\0') {
  2271. strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
  2272. sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
  2273. strncat(hba_attr->os_name, driver_info->host_os_patch,
  2274. sizeof(driver_info->host_os_patch));
  2275. }
  2276. /* Retrieve the max frame size from the port attr */
  2277. bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
  2278. hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
  2279. strncpy(hba_attr->node_sym_name.symname,
  2280. port->port_cfg.node_sym_name.symname, BFA_SYMNAME_MAXLEN);
  2281. strcpy(hba_attr->vendor_info, "BROCADE");
  2282. hba_attr->num_ports =
  2283. cpu_to_be32(bfa_ioc_get_nports(&port->fcs->bfa->ioc));
  2284. hba_attr->fabric_name = port->fabric->lps->pr_nwwn;
  2285. strncpy(hba_attr->bios_ver, hba_attr->option_rom_ver, BFA_VERSION_LEN);
  2286. }
  2287. static void
  2288. bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
  2289. struct bfa_fcs_fdmi_port_attr_s *port_attr)
  2290. {
  2291. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  2292. struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
  2293. struct bfa_port_attr_s pport_attr;
  2294. struct bfa_lport_attr_s lport_attr;
  2295. memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
  2296. /*
  2297. * get pport attributes from hal
  2298. */
  2299. bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
  2300. /*
  2301. * get FC4 type Bitmask
  2302. */
  2303. fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
  2304. /*
  2305. * Supported Speeds
  2306. */
  2307. switch (pport_attr.speed_supported) {
  2308. case BFA_PORT_SPEED_16GBPS:
  2309. port_attr->supp_speed =
  2310. cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_16G);
  2311. break;
  2312. case BFA_PORT_SPEED_10GBPS:
  2313. port_attr->supp_speed =
  2314. cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_10G);
  2315. break;
  2316. case BFA_PORT_SPEED_8GBPS:
  2317. port_attr->supp_speed =
  2318. cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_8G);
  2319. break;
  2320. case BFA_PORT_SPEED_4GBPS:
  2321. port_attr->supp_speed =
  2322. cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_4G);
  2323. break;
  2324. default:
  2325. bfa_sm_fault(port->fcs, pport_attr.speed_supported);
  2326. }
  2327. /*
  2328. * Current Speed
  2329. */
  2330. port_attr->curr_speed = cpu_to_be32(
  2331. bfa_fcs_fdmi_convert_speed(pport_attr.speed));
  2332. /*
  2333. * Max PDU Size.
  2334. */
  2335. port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);
  2336. /*
  2337. * OS device Name
  2338. */
  2339. strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name,
  2340. sizeof(port_attr->os_device_name));
  2341. /*
  2342. * Host name
  2343. */
  2344. strncpy(port_attr->host_name, (char *)driver_info->host_machine_name,
  2345. sizeof(port_attr->host_name));
  2346. port_attr->node_name = bfa_fcs_lport_get_nwwn(port);
  2347. port_attr->port_name = bfa_fcs_lport_get_pwwn(port);
  2348. strncpy(port_attr->port_sym_name.symname,
  2349. (char *)&bfa_fcs_lport_get_psym_name(port), BFA_SYMNAME_MAXLEN);
  2350. bfa_fcs_lport_get_attr(port, &lport_attr);
  2351. port_attr->port_type = cpu_to_be32(lport_attr.port_type);
  2352. port_attr->scos = pport_attr.cos_supported;
  2353. port_attr->port_fabric_name = port->fabric->lps->pr_nwwn;
  2354. fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->port_act_fc4_type);
  2355. port_attr->port_state = cpu_to_be32(pport_attr.port_state);
  2356. port_attr->num_ports = cpu_to_be32(port->num_rports);
  2357. }
  2358. /*
  2359. * Convert BFA speed to FDMI format.
  2360. */
  2361. u32
  2362. bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)
  2363. {
  2364. u32 ret;
  2365. switch (pport_speed) {
  2366. case BFA_PORT_SPEED_1GBPS:
  2367. case BFA_PORT_SPEED_2GBPS:
  2368. ret = pport_speed;
  2369. break;
  2370. case BFA_PORT_SPEED_4GBPS:
  2371. ret = FDMI_TRANS_SPEED_4G;
  2372. break;
  2373. case BFA_PORT_SPEED_8GBPS:
  2374. ret = FDMI_TRANS_SPEED_8G;
  2375. break;
  2376. case BFA_PORT_SPEED_10GBPS:
  2377. ret = FDMI_TRANS_SPEED_10G;
  2378. break;
  2379. case BFA_PORT_SPEED_16GBPS:
  2380. ret = FDMI_TRANS_SPEED_16G;
  2381. break;
  2382. default:
  2383. ret = FDMI_TRANS_SPEED_UNKNOWN;
  2384. }
  2385. return ret;
  2386. }
  2387. void
  2388. bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
  2389. {
  2390. struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
  2391. fdmi->ms = ms;
  2392. if (ms->port->fcs->fdmi_enabled)
  2393. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  2394. else
  2395. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
  2396. }
  2397. void
  2398. bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
  2399. {
  2400. struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
  2401. fdmi->ms = ms;
  2402. bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
  2403. }
  2404. void
  2405. bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
  2406. {
  2407. struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
  2408. fdmi->ms = ms;
  2409. bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
  2410. }
  2411. #define BFA_FCS_MS_CMD_MAX_RETRIES 2
  2412. /*
  2413. * forward declarations
  2414. */
  2415. static void bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
  2416. struct bfa_fcxp_s *fcxp_alloced);
  2417. static void bfa_fcs_lport_ms_timeout(void *arg);
  2418. static void bfa_fcs_lport_ms_plogi_response(void *fcsarg,
  2419. struct bfa_fcxp_s *fcxp,
  2420. void *cbarg,
  2421. bfa_status_t req_status,
  2422. u32 rsp_len,
  2423. u32 resid_len,
  2424. struct fchs_s *rsp_fchs);
  2425. static void bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
  2426. struct bfa_fcxp_s *fcxp_alloced);
  2427. static void bfa_fcs_lport_ms_gmal_response(void *fcsarg,
  2428. struct bfa_fcxp_s *fcxp,
  2429. void *cbarg,
  2430. bfa_status_t req_status,
  2431. u32 rsp_len,
  2432. u32 resid_len,
  2433. struct fchs_s *rsp_fchs);
  2434. static void bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
  2435. struct bfa_fcxp_s *fcxp_alloced);
  2436. static void bfa_fcs_lport_ms_gfn_response(void *fcsarg,
  2437. struct bfa_fcxp_s *fcxp,
  2438. void *cbarg,
  2439. bfa_status_t req_status,
  2440. u32 rsp_len,
  2441. u32 resid_len,
  2442. struct fchs_s *rsp_fchs);
  2443. /*
  2444. * fcs_ms_sm FCS MS state machine
  2445. */
  2446. /*
  2447. * MS State Machine events
  2448. */
  2449. enum port_ms_event {
  2450. MSSM_EVENT_PORT_ONLINE = 1,
  2451. MSSM_EVENT_PORT_OFFLINE = 2,
  2452. MSSM_EVENT_RSP_OK = 3,
  2453. MSSM_EVENT_RSP_ERROR = 4,
  2454. MSSM_EVENT_TIMEOUT = 5,
  2455. MSSM_EVENT_FCXP_SENT = 6,
  2456. MSSM_EVENT_PORT_FABRIC_RSCN = 7
  2457. };
  2458. static void bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
  2459. enum port_ms_event event);
  2460. static void bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
  2461. enum port_ms_event event);
  2462. static void bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
  2463. enum port_ms_event event);
  2464. static void bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
  2465. enum port_ms_event event);
  2466. static void bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
  2467. enum port_ms_event event);
  2468. static void bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
  2469. enum port_ms_event event);
  2470. static void bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
  2471. enum port_ms_event event);
  2472. static void bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
  2473. enum port_ms_event event);
  2474. static void bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
  2475. enum port_ms_event event);
  2476. static void bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
  2477. enum port_ms_event event);
  2478. static void bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
  2479. enum port_ms_event event);
  2480. /*
  2481. * Start in offline state - awaiting NS to send start.
  2482. */
  2483. static void
  2484. bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
  2485. enum port_ms_event event)
  2486. {
  2487. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2488. bfa_trc(ms->port->fcs, event);
  2489. switch (event) {
  2490. case MSSM_EVENT_PORT_ONLINE:
  2491. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
  2492. bfa_fcs_lport_ms_send_plogi(ms, NULL);
  2493. break;
  2494. case MSSM_EVENT_PORT_OFFLINE:
  2495. break;
  2496. default:
  2497. bfa_sm_fault(ms->port->fcs, event);
  2498. }
  2499. }
  2500. static void
  2501. bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
  2502. enum port_ms_event event)
  2503. {
  2504. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2505. bfa_trc(ms->port->fcs, event);
  2506. switch (event) {
  2507. case MSSM_EVENT_FCXP_SENT:
  2508. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
  2509. break;
  2510. case MSSM_EVENT_PORT_OFFLINE:
  2511. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2512. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
  2513. &ms->fcxp_wqe);
  2514. break;
  2515. default:
  2516. bfa_sm_fault(ms->port->fcs, event);
  2517. }
  2518. }
  2519. static void
  2520. bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
  2521. enum port_ms_event event)
  2522. {
  2523. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2524. bfa_trc(ms->port->fcs, event);
  2525. switch (event) {
  2526. case MSSM_EVENT_RSP_ERROR:
  2527. /*
  2528. * Start timer for a delayed retry
  2529. */
  2530. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
  2531. ms->port->stats.ms_retries++;
  2532. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
  2533. &ms->timer, bfa_fcs_lport_ms_timeout, ms,
  2534. BFA_FCS_RETRY_TIMEOUT);
  2535. break;
  2536. case MSSM_EVENT_RSP_OK:
  2537. /*
  2538. * since plogi is done, now invoke MS related sub-modules
  2539. */
  2540. bfa_fcs_lport_fdmi_online(ms);
  2541. /*
  2542. * if this is a Vport, go to online state.
  2543. */
  2544. if (ms->port->vport) {
  2545. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
  2546. break;
  2547. }
  2548. /*
  2549. * For a base port we need to get the
  2550. * switch's IP address.
  2551. */
  2552. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
  2553. bfa_fcs_lport_ms_send_gmal(ms, NULL);
  2554. break;
  2555. case MSSM_EVENT_PORT_OFFLINE:
  2556. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2557. bfa_fcxp_discard(ms->fcxp);
  2558. break;
  2559. default:
  2560. bfa_sm_fault(ms->port->fcs, event);
  2561. }
  2562. }
  2563. static void
  2564. bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
  2565. enum port_ms_event event)
  2566. {
  2567. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2568. bfa_trc(ms->port->fcs, event);
  2569. switch (event) {
  2570. case MSSM_EVENT_TIMEOUT:
  2571. /*
  2572. * Retry Timer Expired. Re-send
  2573. */
  2574. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
  2575. bfa_fcs_lport_ms_send_plogi(ms, NULL);
  2576. break;
  2577. case MSSM_EVENT_PORT_OFFLINE:
  2578. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2579. bfa_timer_stop(&ms->timer);
  2580. break;
  2581. default:
  2582. bfa_sm_fault(ms->port->fcs, event);
  2583. }
  2584. }
  2585. static void
  2586. bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
  2587. enum port_ms_event event)
  2588. {
  2589. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2590. bfa_trc(ms->port->fcs, event);
  2591. switch (event) {
  2592. case MSSM_EVENT_PORT_OFFLINE:
  2593. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2594. break;
  2595. case MSSM_EVENT_PORT_FABRIC_RSCN:
  2596. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
  2597. ms->retry_cnt = 0;
  2598. bfa_fcs_lport_ms_send_gfn(ms, NULL);
  2599. break;
  2600. default:
  2601. bfa_sm_fault(ms->port->fcs, event);
  2602. }
  2603. }
  2604. static void
  2605. bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
  2606. enum port_ms_event event)
  2607. {
  2608. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2609. bfa_trc(ms->port->fcs, event);
  2610. switch (event) {
  2611. case MSSM_EVENT_FCXP_SENT:
  2612. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
  2613. break;
  2614. case MSSM_EVENT_PORT_OFFLINE:
  2615. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2616. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
  2617. &ms->fcxp_wqe);
  2618. break;
  2619. default:
  2620. bfa_sm_fault(ms->port->fcs, event);
  2621. }
  2622. }
  2623. static void
  2624. bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
  2625. enum port_ms_event event)
  2626. {
  2627. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2628. bfa_trc(ms->port->fcs, event);
  2629. switch (event) {
  2630. case MSSM_EVENT_RSP_ERROR:
  2631. /*
  2632. * Start timer for a delayed retry
  2633. */
  2634. if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
  2635. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
  2636. ms->port->stats.ms_retries++;
  2637. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
  2638. &ms->timer, bfa_fcs_lport_ms_timeout, ms,
  2639. BFA_FCS_RETRY_TIMEOUT);
  2640. } else {
  2641. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
  2642. bfa_fcs_lport_ms_send_gfn(ms, NULL);
  2643. ms->retry_cnt = 0;
  2644. }
  2645. break;
  2646. case MSSM_EVENT_RSP_OK:
  2647. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
  2648. bfa_fcs_lport_ms_send_gfn(ms, NULL);
  2649. break;
  2650. case MSSM_EVENT_PORT_OFFLINE:
  2651. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2652. bfa_fcxp_discard(ms->fcxp);
  2653. break;
  2654. default:
  2655. bfa_sm_fault(ms->port->fcs, event);
  2656. }
  2657. }
  2658. static void
  2659. bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
  2660. enum port_ms_event event)
  2661. {
  2662. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2663. bfa_trc(ms->port->fcs, event);
  2664. switch (event) {
  2665. case MSSM_EVENT_TIMEOUT:
  2666. /*
  2667. * Retry Timer Expired. Re-send
  2668. */
  2669. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
  2670. bfa_fcs_lport_ms_send_gmal(ms, NULL);
  2671. break;
  2672. case MSSM_EVENT_PORT_OFFLINE:
  2673. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2674. bfa_timer_stop(&ms->timer);
  2675. break;
  2676. default:
  2677. bfa_sm_fault(ms->port->fcs, event);
  2678. }
  2679. }
  2680. /*
  2681. * ms_pvt MS local functions
  2682. */
  2683. static void
  2684. bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  2685. {
  2686. struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
  2687. bfa_fcs_lport_t *port = ms->port;
  2688. struct fchs_s fchs;
  2689. int len;
  2690. struct bfa_fcxp_s *fcxp;
  2691. bfa_trc(port->fcs, port->pid);
  2692. fcxp = fcxp_alloced ? fcxp_alloced :
  2693. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  2694. if (!fcxp) {
  2695. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
  2696. bfa_fcs_lport_ms_send_gmal, ms, BFA_TRUE);
  2697. return;
  2698. }
  2699. ms->fcxp = fcxp;
  2700. len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  2701. bfa_fcs_lport_get_fcid(port),
  2702. port->fabric->lps->pr_nwwn);
  2703. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  2704. FC_CLASS_3, len, &fchs,
  2705. bfa_fcs_lport_ms_gmal_response, (void *)ms,
  2706. FC_MAX_PDUSZ, FC_FCCT_TOV);
  2707. bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
  2708. }
  2709. static void
  2710. bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  2711. void *cbarg, bfa_status_t req_status,
  2712. u32 rsp_len, u32 resid_len,
  2713. struct fchs_s *rsp_fchs)
  2714. {
  2715. struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
  2716. bfa_fcs_lport_t *port = ms->port;
  2717. struct ct_hdr_s *cthdr = NULL;
  2718. struct fcgs_gmal_resp_s *gmal_resp;
  2719. struct fcgs_gmal_entry_s *gmal_entry;
  2720. u32 num_entries;
  2721. u8 *rsp_str;
  2722. bfa_trc(port->fcs, req_status);
  2723. bfa_trc(port->fcs, port->port_cfg.pwwn);
  2724. /*
  2725. * Sanity Checks
  2726. */
  2727. if (req_status != BFA_STATUS_OK) {
  2728. bfa_trc(port->fcs, req_status);
  2729. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2730. return;
  2731. }
  2732. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  2733. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  2734. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  2735. gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
  2736. num_entries = be32_to_cpu(gmal_resp->ms_len);
  2737. if (num_entries == 0) {
  2738. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2739. return;
  2740. }
  2741. /*
  2742. * The response could contain multiple Entries.
  2743. * Entries for SNMP interface, etc.
  2744. * We look for the entry with a telnet prefix.
  2745. * First "http://" entry refers to IP addr
  2746. */
  2747. gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
  2748. while (num_entries > 0) {
  2749. if (strncmp(gmal_entry->prefix,
  2750. CT_GMAL_RESP_PREFIX_HTTP,
  2751. sizeof(gmal_entry->prefix)) == 0) {
  2752. /*
  2753. * if the IP address is terminating with a '/',
  2754. * remove it.
  2755. * Byte 0 consists of the length of the string.
  2756. */
  2757. rsp_str = &(gmal_entry->prefix[0]);
  2758. if (rsp_str[gmal_entry->len-1] == '/')
  2759. rsp_str[gmal_entry->len-1] = 0;
  2760. /* copy IP Address to fabric */
  2761. strncpy(bfa_fcs_lport_get_fabric_ipaddr(port),
  2762. gmal_entry->ip_addr,
  2763. BFA_FCS_FABRIC_IPADDR_SZ);
  2764. break;
  2765. } else {
  2766. --num_entries;
  2767. ++gmal_entry;
  2768. }
  2769. }
  2770. bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
  2771. return;
  2772. }
  2773. bfa_trc(port->fcs, cthdr->reason_code);
  2774. bfa_trc(port->fcs, cthdr->exp_code);
  2775. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2776. }
  2777. static void
  2778. bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
  2779. enum port_ms_event event)
  2780. {
  2781. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2782. bfa_trc(ms->port->fcs, event);
  2783. switch (event) {
  2784. case MSSM_EVENT_FCXP_SENT:
  2785. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
  2786. break;
  2787. case MSSM_EVENT_PORT_OFFLINE:
  2788. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2789. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
  2790. &ms->fcxp_wqe);
  2791. break;
  2792. default:
  2793. bfa_sm_fault(ms->port->fcs, event);
  2794. }
  2795. }
  2796. static void
  2797. bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
  2798. enum port_ms_event event)
  2799. {
  2800. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2801. bfa_trc(ms->port->fcs, event);
  2802. switch (event) {
  2803. case MSSM_EVENT_RSP_ERROR:
  2804. /*
  2805. * Start timer for a delayed retry
  2806. */
  2807. if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
  2808. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
  2809. ms->port->stats.ms_retries++;
  2810. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
  2811. &ms->timer, bfa_fcs_lport_ms_timeout, ms,
  2812. BFA_FCS_RETRY_TIMEOUT);
  2813. } else {
  2814. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
  2815. ms->retry_cnt = 0;
  2816. }
  2817. break;
  2818. case MSSM_EVENT_RSP_OK:
  2819. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
  2820. break;
  2821. case MSSM_EVENT_PORT_OFFLINE:
  2822. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2823. bfa_fcxp_discard(ms->fcxp);
  2824. break;
  2825. default:
  2826. bfa_sm_fault(ms->port->fcs, event);
  2827. }
  2828. }
  2829. static void
  2830. bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
  2831. enum port_ms_event event)
  2832. {
  2833. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2834. bfa_trc(ms->port->fcs, event);
  2835. switch (event) {
  2836. case MSSM_EVENT_TIMEOUT:
  2837. /*
  2838. * Retry Timer Expired. Re-send
  2839. */
  2840. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
  2841. bfa_fcs_lport_ms_send_gfn(ms, NULL);
  2842. break;
  2843. case MSSM_EVENT_PORT_OFFLINE:
  2844. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2845. bfa_timer_stop(&ms->timer);
  2846. break;
  2847. default:
  2848. bfa_sm_fault(ms->port->fcs, event);
  2849. }
  2850. }
  2851. /*
  2852. * ms_pvt MS local functions
  2853. */
  2854. static void
  2855. bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  2856. {
  2857. struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
  2858. bfa_fcs_lport_t *port = ms->port;
  2859. struct fchs_s fchs;
  2860. int len;
  2861. struct bfa_fcxp_s *fcxp;
  2862. bfa_trc(port->fcs, port->pid);
  2863. fcxp = fcxp_alloced ? fcxp_alloced :
  2864. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  2865. if (!fcxp) {
  2866. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
  2867. bfa_fcs_lport_ms_send_gfn, ms, BFA_TRUE);
  2868. return;
  2869. }
  2870. ms->fcxp = fcxp;
  2871. len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  2872. bfa_fcs_lport_get_fcid(port),
  2873. port->fabric->lps->pr_nwwn);
  2874. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  2875. FC_CLASS_3, len, &fchs,
  2876. bfa_fcs_lport_ms_gfn_response, (void *)ms,
  2877. FC_MAX_PDUSZ, FC_FCCT_TOV);
  2878. bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
  2879. }
  2880. static void
  2881. bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  2882. void *cbarg, bfa_status_t req_status, u32 rsp_len,
  2883. u32 resid_len, struct fchs_s *rsp_fchs)
  2884. {
  2885. struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
  2886. bfa_fcs_lport_t *port = ms->port;
  2887. struct ct_hdr_s *cthdr = NULL;
  2888. wwn_t *gfn_resp;
  2889. bfa_trc(port->fcs, req_status);
  2890. bfa_trc(port->fcs, port->port_cfg.pwwn);
  2891. /*
  2892. * Sanity Checks
  2893. */
  2894. if (req_status != BFA_STATUS_OK) {
  2895. bfa_trc(port->fcs, req_status);
  2896. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2897. return;
  2898. }
  2899. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  2900. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  2901. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  2902. gfn_resp = (wwn_t *)(cthdr + 1);
  2903. /* check if it has actually changed */
  2904. if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
  2905. gfn_resp, sizeof(wwn_t)) != 0)) {
  2906. bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
  2907. }
  2908. bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
  2909. return;
  2910. }
  2911. bfa_trc(port->fcs, cthdr->reason_code);
  2912. bfa_trc(port->fcs, cthdr->exp_code);
  2913. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2914. }
  2915. /*
  2916. * ms_pvt MS local functions
  2917. */
  2918. static void
  2919. bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  2920. {
  2921. struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
  2922. struct bfa_fcs_lport_s *port = ms->port;
  2923. struct fchs_s fchs;
  2924. int len;
  2925. struct bfa_fcxp_s *fcxp;
  2926. bfa_trc(port->fcs, port->pid);
  2927. fcxp = fcxp_alloced ? fcxp_alloced :
  2928. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  2929. if (!fcxp) {
  2930. port->stats.ms_plogi_alloc_wait++;
  2931. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
  2932. bfa_fcs_lport_ms_send_plogi, ms, BFA_TRUE);
  2933. return;
  2934. }
  2935. ms->fcxp = fcxp;
  2936. len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  2937. bfa_hton3b(FC_MGMT_SERVER),
  2938. bfa_fcs_lport_get_fcid(port), 0,
  2939. port->port_cfg.pwwn, port->port_cfg.nwwn,
  2940. bfa_fcport_get_maxfrsize(port->fcs->bfa),
  2941. bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
  2942. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  2943. FC_CLASS_3, len, &fchs,
  2944. bfa_fcs_lport_ms_plogi_response, (void *)ms,
  2945. FC_MAX_PDUSZ, FC_ELS_TOV);
  2946. port->stats.ms_plogi_sent++;
  2947. bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
  2948. }
  2949. static void
  2950. bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  2951. void *cbarg, bfa_status_t req_status,
  2952. u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
  2953. {
  2954. struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
  2955. struct bfa_fcs_lport_s *port = ms->port;
  2956. struct fc_els_cmd_s *els_cmd;
  2957. struct fc_ls_rjt_s *ls_rjt;
  2958. bfa_trc(port->fcs, req_status);
  2959. bfa_trc(port->fcs, port->port_cfg.pwwn);
  2960. /*
  2961. * Sanity Checks
  2962. */
  2963. if (req_status != BFA_STATUS_OK) {
  2964. port->stats.ms_plogi_rsp_err++;
  2965. bfa_trc(port->fcs, req_status);
  2966. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2967. return;
  2968. }
  2969. els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
  2970. switch (els_cmd->els_code) {
  2971. case FC_ELS_ACC:
  2972. if (rsp_len < sizeof(struct fc_logi_s)) {
  2973. bfa_trc(port->fcs, rsp_len);
  2974. port->stats.ms_plogi_acc_err++;
  2975. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2976. break;
  2977. }
  2978. port->stats.ms_plogi_accepts++;
  2979. bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
  2980. break;
  2981. case FC_ELS_LS_RJT:
  2982. ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
  2983. bfa_trc(port->fcs, ls_rjt->reason_code);
  2984. bfa_trc(port->fcs, ls_rjt->reason_code_expl);
  2985. port->stats.ms_rejects++;
  2986. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2987. break;
  2988. default:
  2989. port->stats.ms_plogi_unknown_rsp++;
  2990. bfa_trc(port->fcs, els_cmd->els_code);
  2991. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2992. }
  2993. }
  2994. static void
  2995. bfa_fcs_lport_ms_timeout(void *arg)
  2996. {
  2997. struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
  2998. ms->port->stats.ms_timeouts++;
  2999. bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
  3000. }
  3001. void
  3002. bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
  3003. {
  3004. struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
  3005. ms->port = port;
  3006. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  3007. /*
  3008. * Invoke init routines of sub modules.
  3009. */
  3010. bfa_fcs_lport_fdmi_init(ms);
  3011. }
  3012. void
  3013. bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
  3014. {
  3015. struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
  3016. ms->port = port;
  3017. bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
  3018. bfa_fcs_lport_fdmi_offline(ms);
  3019. }
  3020. void
  3021. bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
  3022. {
  3023. struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
  3024. ms->port = port;
  3025. bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
  3026. }
  3027. void
  3028. bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
  3029. {
  3030. struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
  3031. /* todo. Handle this only when in Online state */
  3032. if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
  3033. bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
  3034. }
  3035. /*
  3036. * @page ns_sm_info VPORT NS State Machine
  3037. *
  3038. * @section ns_sm_interactions VPORT NS State Machine Interactions
  3039. *
  3040. * @section ns_sm VPORT NS State Machine
  3041. * img ns_sm.jpg
  3042. */
  3043. /*
  3044. * forward declarations
  3045. */
  3046. static void bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
  3047. struct bfa_fcxp_s *fcxp_alloced);
  3048. static void bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
  3049. struct bfa_fcxp_s *fcxp_alloced);
  3050. static void bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
  3051. struct bfa_fcxp_s *fcxp_alloced);
  3052. static void bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
  3053. struct bfa_fcxp_s *fcxp_alloced);
  3054. static void bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
  3055. struct bfa_fcxp_s *fcxp_alloced);
  3056. static void bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg,
  3057. struct bfa_fcxp_s *fcxp_alloced);
  3058. static void bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg,
  3059. struct bfa_fcxp_s *fcxp_alloced);
  3060. static void bfa_fcs_lport_ns_timeout(void *arg);
  3061. static void bfa_fcs_lport_ns_plogi_response(void *fcsarg,
  3062. struct bfa_fcxp_s *fcxp,
  3063. void *cbarg,
  3064. bfa_status_t req_status,
  3065. u32 rsp_len,
  3066. u32 resid_len,
  3067. struct fchs_s *rsp_fchs);
  3068. static void bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
  3069. struct bfa_fcxp_s *fcxp,
  3070. void *cbarg,
  3071. bfa_status_t req_status,
  3072. u32 rsp_len,
  3073. u32 resid_len,
  3074. struct fchs_s *rsp_fchs);
  3075. static void bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
  3076. struct bfa_fcxp_s *fcxp,
  3077. void *cbarg,
  3078. bfa_status_t req_status,
  3079. u32 rsp_len,
  3080. u32 resid_len,
  3081. struct fchs_s *rsp_fchs);
  3082. static void bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
  3083. struct bfa_fcxp_s *fcxp,
  3084. void *cbarg,
  3085. bfa_status_t req_status,
  3086. u32 rsp_len,
  3087. u32 resid_len,
  3088. struct fchs_s *rsp_fchs);
  3089. static void bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
  3090. struct bfa_fcxp_s *fcxp,
  3091. void *cbarg,
  3092. bfa_status_t req_status,
  3093. u32 rsp_len,
  3094. u32 resid_len,
  3095. struct fchs_s *rsp_fchs);
  3096. static void bfa_fcs_lport_ns_rnn_id_response(void *fcsarg,
  3097. struct bfa_fcxp_s *fcxp,
  3098. void *cbarg,
  3099. bfa_status_t req_status,
  3100. u32 rsp_len,
  3101. u32 resid_len,
  3102. struct fchs_s *rsp_fchs);
  3103. static void bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg,
  3104. struct bfa_fcxp_s *fcxp,
  3105. void *cbarg,
  3106. bfa_status_t req_status,
  3107. u32 rsp_len,
  3108. u32 resid_len,
  3109. struct fchs_s *rsp_fchs);
  3110. static void bfa_fcs_lport_ns_process_gidft_pids(
  3111. struct bfa_fcs_lport_s *port,
  3112. u32 *pid_buf, u32 n_pids);
  3113. static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
  3114. /*
  3115. * fcs_ns_sm FCS nameserver interface state machine
  3116. */
  3117. /*
  3118. * VPort NS State Machine events
  3119. */
  3120. enum vport_ns_event {
  3121. NSSM_EVENT_PORT_ONLINE = 1,
  3122. NSSM_EVENT_PORT_OFFLINE = 2,
  3123. NSSM_EVENT_PLOGI_SENT = 3,
  3124. NSSM_EVENT_RSP_OK = 4,
  3125. NSSM_EVENT_RSP_ERROR = 5,
  3126. NSSM_EVENT_TIMEOUT = 6,
  3127. NSSM_EVENT_NS_QUERY = 7,
  3128. NSSM_EVENT_RSPNID_SENT = 8,
  3129. NSSM_EVENT_RFTID_SENT = 9,
  3130. NSSM_EVENT_RFFID_SENT = 10,
  3131. NSSM_EVENT_GIDFT_SENT = 11,
  3132. NSSM_EVENT_RNNID_SENT = 12,
  3133. NSSM_EVENT_RSNN_NN_SENT = 13,
  3134. };
  3135. static void bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
  3136. enum vport_ns_event event);
  3137. static void bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
  3138. enum vport_ns_event event);
  3139. static void bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
  3140. enum vport_ns_event event);
  3141. static void bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
  3142. enum vport_ns_event event);
  3143. static void bfa_fcs_lport_ns_sm_sending_rspn_id(
  3144. struct bfa_fcs_lport_ns_s *ns,
  3145. enum vport_ns_event event);
  3146. static void bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
  3147. enum vport_ns_event event);
  3148. static void bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3149. enum vport_ns_event event);
  3150. static void bfa_fcs_lport_ns_sm_sending_rft_id(
  3151. struct bfa_fcs_lport_ns_s *ns,
  3152. enum vport_ns_event event);
  3153. static void bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3154. enum vport_ns_event event);
  3155. static void bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
  3156. enum vport_ns_event event);
  3157. static void bfa_fcs_lport_ns_sm_sending_rff_id(
  3158. struct bfa_fcs_lport_ns_s *ns,
  3159. enum vport_ns_event event);
  3160. static void bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3161. enum vport_ns_event event);
  3162. static void bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
  3163. enum vport_ns_event event);
  3164. static void bfa_fcs_lport_ns_sm_sending_gid_ft(
  3165. struct bfa_fcs_lport_ns_s *ns,
  3166. enum vport_ns_event event);
  3167. static void bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
  3168. enum vport_ns_event event);
  3169. static void bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
  3170. enum vport_ns_event event);
  3171. static void bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
  3172. enum vport_ns_event event);
  3173. static void bfa_fcs_lport_ns_sm_sending_rnn_id(
  3174. struct bfa_fcs_lport_ns_s *ns,
  3175. enum vport_ns_event event);
  3176. static void bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
  3177. enum vport_ns_event event);
  3178. static void bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3179. enum vport_ns_event event);
  3180. static void bfa_fcs_lport_ns_sm_sending_rsnn_nn(
  3181. struct bfa_fcs_lport_ns_s *ns,
  3182. enum vport_ns_event event);
  3183. static void bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
  3184. enum vport_ns_event event);
  3185. static void bfa_fcs_lport_ns_sm_rsnn_nn_retry(
  3186. struct bfa_fcs_lport_ns_s *ns,
  3187. enum vport_ns_event event);
  3188. /*
  3189. * Start in offline state - awaiting linkup
  3190. */
  3191. static void
  3192. bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
  3193. enum vport_ns_event event)
  3194. {
  3195. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3196. bfa_trc(ns->port->fcs, event);
  3197. switch (event) {
  3198. case NSSM_EVENT_PORT_ONLINE:
  3199. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
  3200. bfa_fcs_lport_ns_send_plogi(ns, NULL);
  3201. break;
  3202. case NSSM_EVENT_PORT_OFFLINE:
  3203. break;
  3204. default:
  3205. bfa_sm_fault(ns->port->fcs, event);
  3206. }
  3207. }
  3208. static void
  3209. bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
  3210. enum vport_ns_event event)
  3211. {
  3212. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3213. bfa_trc(ns->port->fcs, event);
  3214. switch (event) {
  3215. case NSSM_EVENT_PLOGI_SENT:
  3216. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
  3217. break;
  3218. case NSSM_EVENT_PORT_OFFLINE:
  3219. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3220. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3221. &ns->fcxp_wqe);
  3222. break;
  3223. default:
  3224. bfa_sm_fault(ns->port->fcs, event);
  3225. }
  3226. }
  3227. static void
  3228. bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
  3229. enum vport_ns_event event)
  3230. {
  3231. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3232. bfa_trc(ns->port->fcs, event);
  3233. switch (event) {
  3234. case NSSM_EVENT_RSP_ERROR:
  3235. /*
  3236. * Start timer for a delayed retry
  3237. */
  3238. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
  3239. ns->port->stats.ns_retries++;
  3240. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3241. &ns->timer, bfa_fcs_lport_ns_timeout, ns,
  3242. BFA_FCS_RETRY_TIMEOUT);
  3243. break;
  3244. case NSSM_EVENT_RSP_OK:
  3245. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
  3246. ns->num_rnnid_retries = 0;
  3247. bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
  3248. break;
  3249. case NSSM_EVENT_PORT_OFFLINE:
  3250. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3251. bfa_fcxp_discard(ns->fcxp);
  3252. break;
  3253. default:
  3254. bfa_sm_fault(ns->port->fcs, event);
  3255. }
  3256. }
  3257. static void
  3258. bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
  3259. enum vport_ns_event event)
  3260. {
  3261. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3262. bfa_trc(ns->port->fcs, event);
  3263. switch (event) {
  3264. case NSSM_EVENT_TIMEOUT:
  3265. /*
  3266. * Retry Timer Expired. Re-send
  3267. */
  3268. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
  3269. bfa_fcs_lport_ns_send_plogi(ns, NULL);
  3270. break;
  3271. case NSSM_EVENT_PORT_OFFLINE:
  3272. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3273. bfa_timer_stop(&ns->timer);
  3274. break;
  3275. default:
  3276. bfa_sm_fault(ns->port->fcs, event);
  3277. }
  3278. }
  3279. static void
  3280. bfa_fcs_lport_ns_sm_sending_rnn_id(struct bfa_fcs_lport_ns_s *ns,
  3281. enum vport_ns_event event)
  3282. {
  3283. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3284. bfa_trc(ns->port->fcs, event);
  3285. switch (event) {
  3286. case NSSM_EVENT_RNNID_SENT:
  3287. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id);
  3288. break;
  3289. case NSSM_EVENT_PORT_OFFLINE:
  3290. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3291. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3292. &ns->fcxp_wqe);
  3293. break;
  3294. default:
  3295. bfa_sm_fault(ns->port->fcs, event);
  3296. }
  3297. }
  3298. static void
  3299. bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
  3300. enum vport_ns_event event)
  3301. {
  3302. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3303. bfa_trc(ns->port->fcs, event);
  3304. switch (event) {
  3305. case NSSM_EVENT_RSP_OK:
  3306. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
  3307. ns->num_rnnid_retries = 0;
  3308. ns->num_rsnn_nn_retries = 0;
  3309. bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
  3310. break;
  3311. case NSSM_EVENT_RSP_ERROR:
  3312. if (ns->num_rnnid_retries < BFA_FCS_MAX_NS_RETRIES) {
  3313. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id_retry);
  3314. ns->port->stats.ns_retries++;
  3315. ns->num_rnnid_retries++;
  3316. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3317. &ns->timer, bfa_fcs_lport_ns_timeout, ns,
  3318. BFA_FCS_RETRY_TIMEOUT);
  3319. } else {
  3320. bfa_sm_set_state(ns,
  3321. bfa_fcs_lport_ns_sm_sending_rspn_id);
  3322. bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
  3323. }
  3324. break;
  3325. case NSSM_EVENT_PORT_OFFLINE:
  3326. bfa_fcxp_discard(ns->fcxp);
  3327. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3328. break;
  3329. default:
  3330. bfa_sm_fault(ns->port->fcs, event);
  3331. }
  3332. }
  3333. static void
  3334. bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3335. enum vport_ns_event event)
  3336. {
  3337. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3338. bfa_trc(ns->port->fcs, event);
  3339. switch (event) {
  3340. case NSSM_EVENT_TIMEOUT:
  3341. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
  3342. bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
  3343. break;
  3344. case NSSM_EVENT_PORT_OFFLINE:
  3345. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3346. bfa_timer_stop(&ns->timer);
  3347. break;
  3348. default:
  3349. bfa_sm_fault(ns->port->fcs, event);
  3350. }
  3351. }
  3352. static void
  3353. bfa_fcs_lport_ns_sm_sending_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
  3354. enum vport_ns_event event)
  3355. {
  3356. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3357. bfa_trc(ns->port->fcs, event);
  3358. switch (event) {
  3359. case NSSM_EVENT_RSNN_NN_SENT:
  3360. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn);
  3361. break;
  3362. case NSSM_EVENT_PORT_OFFLINE:
  3363. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3364. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3365. &ns->fcxp_wqe);
  3366. break;
  3367. default:
  3368. bfa_sm_fault(ns->port->fcs, event);
  3369. }
  3370. }
  3371. static void
  3372. bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
  3373. enum vport_ns_event event)
  3374. {
  3375. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3376. bfa_trc(ns->port->fcs, event);
  3377. switch (event) {
  3378. case NSSM_EVENT_RSP_OK:
  3379. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
  3380. ns->num_rsnn_nn_retries = 0;
  3381. bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
  3382. break;
  3383. case NSSM_EVENT_RSP_ERROR:
  3384. if (ns->num_rsnn_nn_retries < BFA_FCS_MAX_NS_RETRIES) {
  3385. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn_retry);
  3386. ns->port->stats.ns_retries++;
  3387. ns->num_rsnn_nn_retries++;
  3388. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3389. &ns->timer, bfa_fcs_lport_ns_timeout,
  3390. ns, BFA_FCS_RETRY_TIMEOUT);
  3391. } else {
  3392. bfa_sm_set_state(ns,
  3393. bfa_fcs_lport_ns_sm_sending_rspn_id);
  3394. bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
  3395. }
  3396. break;
  3397. case NSSM_EVENT_PORT_OFFLINE:
  3398. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3399. bfa_fcxp_discard(ns->fcxp);
  3400. break;
  3401. default:
  3402. bfa_sm_fault(ns->port->fcs, event);
  3403. }
  3404. }
  3405. static void
  3406. bfa_fcs_lport_ns_sm_rsnn_nn_retry(struct bfa_fcs_lport_ns_s *ns,
  3407. enum vport_ns_event event)
  3408. {
  3409. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3410. bfa_trc(ns->port->fcs, event);
  3411. switch (event) {
  3412. case NSSM_EVENT_TIMEOUT:
  3413. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
  3414. bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
  3415. break;
  3416. case NSSM_EVENT_PORT_OFFLINE:
  3417. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3418. bfa_timer_stop(&ns->timer);
  3419. break;
  3420. default:
  3421. bfa_sm_fault(ns->port->fcs, event);
  3422. }
  3423. }
  3424. static void
  3425. bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
  3426. enum vport_ns_event event)
  3427. {
  3428. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3429. bfa_trc(ns->port->fcs, event);
  3430. switch (event) {
  3431. case NSSM_EVENT_RSPNID_SENT:
  3432. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
  3433. break;
  3434. case NSSM_EVENT_PORT_OFFLINE:
  3435. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3436. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3437. &ns->fcxp_wqe);
  3438. break;
  3439. default:
  3440. bfa_sm_fault(ns->port->fcs, event);
  3441. }
  3442. }
  3443. static void
  3444. bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
  3445. enum vport_ns_event event)
  3446. {
  3447. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3448. bfa_trc(ns->port->fcs, event);
  3449. switch (event) {
  3450. case NSSM_EVENT_RSP_ERROR:
  3451. /*
  3452. * Start timer for a delayed retry
  3453. */
  3454. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
  3455. ns->port->stats.ns_retries++;
  3456. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3457. &ns->timer, bfa_fcs_lport_ns_timeout, ns,
  3458. BFA_FCS_RETRY_TIMEOUT);
  3459. break;
  3460. case NSSM_EVENT_RSP_OK:
  3461. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
  3462. bfa_fcs_lport_ns_send_rft_id(ns, NULL);
  3463. break;
  3464. case NSSM_EVENT_PORT_OFFLINE:
  3465. bfa_fcxp_discard(ns->fcxp);
  3466. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3467. break;
  3468. default:
  3469. bfa_sm_fault(ns->port->fcs, event);
  3470. }
  3471. }
  3472. static void
  3473. bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3474. enum vport_ns_event event)
  3475. {
  3476. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3477. bfa_trc(ns->port->fcs, event);
  3478. switch (event) {
  3479. case NSSM_EVENT_TIMEOUT:
  3480. /*
  3481. * Retry Timer Expired. Re-send
  3482. */
  3483. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
  3484. bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
  3485. break;
  3486. case NSSM_EVENT_PORT_OFFLINE:
  3487. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3488. bfa_timer_stop(&ns->timer);
  3489. break;
  3490. default:
  3491. bfa_sm_fault(ns->port->fcs, event);
  3492. }
  3493. }
  3494. static void
  3495. bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
  3496. enum vport_ns_event event)
  3497. {
  3498. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3499. bfa_trc(ns->port->fcs, event);
  3500. switch (event) {
  3501. case NSSM_EVENT_RFTID_SENT:
  3502. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
  3503. break;
  3504. case NSSM_EVENT_PORT_OFFLINE:
  3505. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3506. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3507. &ns->fcxp_wqe);
  3508. break;
  3509. default:
  3510. bfa_sm_fault(ns->port->fcs, event);
  3511. }
  3512. }
  3513. static void
  3514. bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
  3515. enum vport_ns_event event)
  3516. {
  3517. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3518. bfa_trc(ns->port->fcs, event);
  3519. switch (event) {
  3520. case NSSM_EVENT_RSP_OK:
  3521. /* Now move to register FC4 Features */
  3522. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
  3523. bfa_fcs_lport_ns_send_rff_id(ns, NULL);
  3524. break;
  3525. case NSSM_EVENT_RSP_ERROR:
  3526. /*
  3527. * Start timer for a delayed retry
  3528. */
  3529. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
  3530. ns->port->stats.ns_retries++;
  3531. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3532. &ns->timer, bfa_fcs_lport_ns_timeout, ns,
  3533. BFA_FCS_RETRY_TIMEOUT);
  3534. break;
  3535. case NSSM_EVENT_PORT_OFFLINE:
  3536. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3537. bfa_fcxp_discard(ns->fcxp);
  3538. break;
  3539. default:
  3540. bfa_sm_fault(ns->port->fcs, event);
  3541. }
  3542. }
  3543. static void
  3544. bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3545. enum vport_ns_event event)
  3546. {
  3547. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3548. bfa_trc(ns->port->fcs, event);
  3549. switch (event) {
  3550. case NSSM_EVENT_TIMEOUT:
  3551. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
  3552. bfa_fcs_lport_ns_send_rft_id(ns, NULL);
  3553. break;
  3554. case NSSM_EVENT_PORT_OFFLINE:
  3555. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3556. bfa_timer_stop(&ns->timer);
  3557. break;
  3558. default:
  3559. bfa_sm_fault(ns->port->fcs, event);
  3560. }
  3561. }
  3562. static void
  3563. bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
  3564. enum vport_ns_event event)
  3565. {
  3566. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3567. bfa_trc(ns->port->fcs, event);
  3568. switch (event) {
  3569. case NSSM_EVENT_RFFID_SENT:
  3570. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
  3571. break;
  3572. case NSSM_EVENT_PORT_OFFLINE:
  3573. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3574. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3575. &ns->fcxp_wqe);
  3576. break;
  3577. default:
  3578. bfa_sm_fault(ns->port->fcs, event);
  3579. }
  3580. }
  3581. static void
  3582. bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
  3583. enum vport_ns_event event)
  3584. {
  3585. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3586. bfa_trc(ns->port->fcs, event);
  3587. switch (event) {
  3588. case NSSM_EVENT_RSP_OK:
  3589. /*
  3590. * If min cfg mode is enabled, we donot initiate rport
  3591. * discovery with the fabric. Instead, we will retrieve the
  3592. * boot targets from HAL/FW.
  3593. */
  3594. if (__fcs_min_cfg(ns->port->fcs)) {
  3595. bfa_fcs_lport_ns_boot_target_disc(ns->port);
  3596. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
  3597. return;
  3598. }
  3599. /*
  3600. * If the port role is Initiator Mode issue NS query.
  3601. * If it is Target Mode, skip this and go to online.
  3602. */
  3603. if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
  3604. bfa_sm_set_state(ns,
  3605. bfa_fcs_lport_ns_sm_sending_gid_ft);
  3606. bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
  3607. }
  3608. /*
  3609. * kick off mgmt srvr state machine
  3610. */
  3611. bfa_fcs_lport_ms_online(ns->port);
  3612. break;
  3613. case NSSM_EVENT_RSP_ERROR:
  3614. /*
  3615. * Start timer for a delayed retry
  3616. */
  3617. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
  3618. ns->port->stats.ns_retries++;
  3619. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3620. &ns->timer, bfa_fcs_lport_ns_timeout, ns,
  3621. BFA_FCS_RETRY_TIMEOUT);
  3622. break;
  3623. case NSSM_EVENT_PORT_OFFLINE:
  3624. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3625. bfa_fcxp_discard(ns->fcxp);
  3626. break;
  3627. default:
  3628. bfa_sm_fault(ns->port->fcs, event);
  3629. }
  3630. }
  3631. static void
  3632. bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3633. enum vport_ns_event event)
  3634. {
  3635. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3636. bfa_trc(ns->port->fcs, event);
  3637. switch (event) {
  3638. case NSSM_EVENT_TIMEOUT:
  3639. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
  3640. bfa_fcs_lport_ns_send_rff_id(ns, NULL);
  3641. break;
  3642. case NSSM_EVENT_PORT_OFFLINE:
  3643. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3644. bfa_timer_stop(&ns->timer);
  3645. break;
  3646. default:
  3647. bfa_sm_fault(ns->port->fcs, event);
  3648. }
  3649. }
  3650. static void
  3651. bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
  3652. enum vport_ns_event event)
  3653. {
  3654. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3655. bfa_trc(ns->port->fcs, event);
  3656. switch (event) {
  3657. case NSSM_EVENT_GIDFT_SENT:
  3658. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
  3659. break;
  3660. case NSSM_EVENT_PORT_OFFLINE:
  3661. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3662. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3663. &ns->fcxp_wqe);
  3664. break;
  3665. default:
  3666. bfa_sm_fault(ns->port->fcs, event);
  3667. }
  3668. }
  3669. static void
  3670. bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
  3671. enum vport_ns_event event)
  3672. {
  3673. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3674. bfa_trc(ns->port->fcs, event);
  3675. switch (event) {
  3676. case NSSM_EVENT_RSP_OK:
  3677. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
  3678. break;
  3679. case NSSM_EVENT_RSP_ERROR:
  3680. /*
  3681. * TBD: for certain reject codes, we don't need to retry
  3682. */
  3683. /*
  3684. * Start timer for a delayed retry
  3685. */
  3686. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
  3687. ns->port->stats.ns_retries++;
  3688. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3689. &ns->timer, bfa_fcs_lport_ns_timeout, ns,
  3690. BFA_FCS_RETRY_TIMEOUT);
  3691. break;
  3692. case NSSM_EVENT_PORT_OFFLINE:
  3693. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3694. bfa_fcxp_discard(ns->fcxp);
  3695. break;
  3696. case NSSM_EVENT_NS_QUERY:
  3697. break;
  3698. default:
  3699. bfa_sm_fault(ns->port->fcs, event);
  3700. }
  3701. }
  3702. static void
  3703. bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
  3704. enum vport_ns_event event)
  3705. {
  3706. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3707. bfa_trc(ns->port->fcs, event);
  3708. switch (event) {
  3709. case NSSM_EVENT_TIMEOUT:
  3710. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
  3711. bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
  3712. break;
  3713. case NSSM_EVENT_PORT_OFFLINE:
  3714. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3715. bfa_timer_stop(&ns->timer);
  3716. break;
  3717. default:
  3718. bfa_sm_fault(ns->port->fcs, event);
  3719. }
  3720. }
  3721. static void
  3722. bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
  3723. enum vport_ns_event event)
  3724. {
  3725. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3726. bfa_trc(ns->port->fcs, event);
  3727. switch (event) {
  3728. case NSSM_EVENT_PORT_OFFLINE:
  3729. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3730. break;
  3731. case NSSM_EVENT_NS_QUERY:
  3732. /*
  3733. * If the port role is Initiator Mode issue NS query.
  3734. * If it is Target Mode, skip this and go to online.
  3735. */
  3736. if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
  3737. bfa_sm_set_state(ns,
  3738. bfa_fcs_lport_ns_sm_sending_gid_ft);
  3739. bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
  3740. };
  3741. break;
  3742. default:
  3743. bfa_sm_fault(ns->port->fcs, event);
  3744. }
  3745. }
  3746. /*
  3747. * ns_pvt Nameserver local functions
  3748. */
  3749. static void
  3750. bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  3751. {
  3752. struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
  3753. struct bfa_fcs_lport_s *port = ns->port;
  3754. struct fchs_s fchs;
  3755. int len;
  3756. struct bfa_fcxp_s *fcxp;
  3757. bfa_trc(port->fcs, port->pid);
  3758. fcxp = fcxp_alloced ? fcxp_alloced :
  3759. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  3760. if (!fcxp) {
  3761. port->stats.ns_plogi_alloc_wait++;
  3762. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  3763. bfa_fcs_lport_ns_send_plogi, ns, BFA_TRUE);
  3764. return;
  3765. }
  3766. ns->fcxp = fcxp;
  3767. len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  3768. bfa_hton3b(FC_NAME_SERVER),
  3769. bfa_fcs_lport_get_fcid(port), 0,
  3770. port->port_cfg.pwwn, port->port_cfg.nwwn,
  3771. bfa_fcport_get_maxfrsize(port->fcs->bfa),
  3772. bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
  3773. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  3774. FC_CLASS_3, len, &fchs,
  3775. bfa_fcs_lport_ns_plogi_response, (void *)ns,
  3776. FC_MAX_PDUSZ, FC_ELS_TOV);
  3777. port->stats.ns_plogi_sent++;
  3778. bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
  3779. }
  3780. static void
  3781. bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  3782. void *cbarg, bfa_status_t req_status, u32 rsp_len,
  3783. u32 resid_len, struct fchs_s *rsp_fchs)
  3784. {
  3785. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
  3786. struct bfa_fcs_lport_s *port = ns->port;
  3787. /* struct fc_logi_s *plogi_resp; */
  3788. struct fc_els_cmd_s *els_cmd;
  3789. struct fc_ls_rjt_s *ls_rjt;
  3790. bfa_trc(port->fcs, req_status);
  3791. bfa_trc(port->fcs, port->port_cfg.pwwn);
  3792. /*
  3793. * Sanity Checks
  3794. */
  3795. if (req_status != BFA_STATUS_OK) {
  3796. bfa_trc(port->fcs, req_status);
  3797. port->stats.ns_plogi_rsp_err++;
  3798. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3799. return;
  3800. }
  3801. els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
  3802. switch (els_cmd->els_code) {
  3803. case FC_ELS_ACC:
  3804. if (rsp_len < sizeof(struct fc_logi_s)) {
  3805. bfa_trc(port->fcs, rsp_len);
  3806. port->stats.ns_plogi_acc_err++;
  3807. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3808. break;
  3809. }
  3810. port->stats.ns_plogi_accepts++;
  3811. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  3812. break;
  3813. case FC_ELS_LS_RJT:
  3814. ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
  3815. bfa_trc(port->fcs, ls_rjt->reason_code);
  3816. bfa_trc(port->fcs, ls_rjt->reason_code_expl);
  3817. port->stats.ns_rejects++;
  3818. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3819. break;
  3820. default:
  3821. port->stats.ns_plogi_unknown_rsp++;
  3822. bfa_trc(port->fcs, els_cmd->els_code);
  3823. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3824. }
  3825. }
  3826. /*
  3827. * Register node name for port_id
  3828. */
  3829. static void
  3830. bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  3831. {
  3832. struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
  3833. struct bfa_fcs_lport_s *port = ns->port;
  3834. struct fchs_s fchs;
  3835. int len;
  3836. struct bfa_fcxp_s *fcxp;
  3837. bfa_trc(port->fcs, port->port_cfg.pwwn);
  3838. fcxp = fcxp_alloced ? fcxp_alloced :
  3839. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  3840. if (!fcxp) {
  3841. port->stats.ns_rnnid_alloc_wait++;
  3842. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  3843. bfa_fcs_lport_ns_send_rnn_id, ns, BFA_TRUE);
  3844. return;
  3845. }
  3846. ns->fcxp = fcxp;
  3847. len = fc_rnnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  3848. bfa_fcs_lport_get_fcid(port),
  3849. bfa_fcs_lport_get_fcid(port),
  3850. bfa_fcs_lport_get_nwwn(port));
  3851. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  3852. FC_CLASS_3, len, &fchs,
  3853. bfa_fcs_lport_ns_rnn_id_response, (void *)ns,
  3854. FC_MAX_PDUSZ, FC_FCCT_TOV);
  3855. port->stats.ns_rnnid_sent++;
  3856. bfa_sm_send_event(ns, NSSM_EVENT_RNNID_SENT);
  3857. }
  3858. static void
  3859. bfa_fcs_lport_ns_rnn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  3860. void *cbarg, bfa_status_t req_status,
  3861. u32 rsp_len, u32 resid_len,
  3862. struct fchs_s *rsp_fchs)
  3863. {
  3864. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
  3865. struct bfa_fcs_lport_s *port = ns->port;
  3866. struct ct_hdr_s *cthdr = NULL;
  3867. bfa_trc(port->fcs, port->port_cfg.pwwn);
  3868. /*
  3869. * Sanity Checks
  3870. */
  3871. if (req_status != BFA_STATUS_OK) {
  3872. bfa_trc(port->fcs, req_status);
  3873. port->stats.ns_rnnid_rsp_err++;
  3874. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3875. return;
  3876. }
  3877. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  3878. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  3879. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  3880. port->stats.ns_rnnid_accepts++;
  3881. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  3882. return;
  3883. }
  3884. port->stats.ns_rnnid_rejects++;
  3885. bfa_trc(port->fcs, cthdr->reason_code);
  3886. bfa_trc(port->fcs, cthdr->exp_code);
  3887. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3888. }
  3889. /*
  3890. * Register the symbolic node name for a given node name.
  3891. */
  3892. static void
  3893. bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  3894. {
  3895. struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
  3896. struct bfa_fcs_lport_s *port = ns->port;
  3897. struct fchs_s fchs;
  3898. int len;
  3899. struct bfa_fcxp_s *fcxp;
  3900. u8 *nsymbl;
  3901. bfa_trc(port->fcs, port->port_cfg.pwwn);
  3902. fcxp = fcxp_alloced ? fcxp_alloced :
  3903. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  3904. if (!fcxp) {
  3905. port->stats.ns_rsnn_nn_alloc_wait++;
  3906. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  3907. bfa_fcs_lport_ns_send_rsnn_nn, ns, BFA_TRUE);
  3908. return;
  3909. }
  3910. ns->fcxp = fcxp;
  3911. nsymbl = (u8 *) &(bfa_fcs_lport_get_nsym_name(
  3912. bfa_fcs_get_base_port(port->fcs)));
  3913. len = fc_rsnn_nn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  3914. bfa_fcs_lport_get_fcid(port),
  3915. bfa_fcs_lport_get_nwwn(port), nsymbl);
  3916. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  3917. FC_CLASS_3, len, &fchs,
  3918. bfa_fcs_lport_ns_rsnn_nn_response, (void *)ns,
  3919. FC_MAX_PDUSZ, FC_FCCT_TOV);
  3920. port->stats.ns_rsnn_nn_sent++;
  3921. bfa_sm_send_event(ns, NSSM_EVENT_RSNN_NN_SENT);
  3922. }
  3923. static void
  3924. bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  3925. void *cbarg, bfa_status_t req_status,
  3926. u32 rsp_len, u32 resid_len,
  3927. struct fchs_s *rsp_fchs)
  3928. {
  3929. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
  3930. struct bfa_fcs_lport_s *port = ns->port;
  3931. struct ct_hdr_s *cthdr = NULL;
  3932. bfa_trc(port->fcs, port->port_cfg.pwwn);
  3933. /*
  3934. * Sanity Checks
  3935. */
  3936. if (req_status != BFA_STATUS_OK) {
  3937. bfa_trc(port->fcs, req_status);
  3938. port->stats.ns_rsnn_nn_rsp_err++;
  3939. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3940. return;
  3941. }
  3942. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  3943. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  3944. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  3945. port->stats.ns_rsnn_nn_accepts++;
  3946. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  3947. return;
  3948. }
  3949. port->stats.ns_rsnn_nn_rejects++;
  3950. bfa_trc(port->fcs, cthdr->reason_code);
  3951. bfa_trc(port->fcs, cthdr->exp_code);
  3952. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3953. }
  3954. /*
  3955. * Register the symbolic port name.
  3956. */
  3957. static void
  3958. bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  3959. {
  3960. struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
  3961. struct bfa_fcs_lport_s *port = ns->port;
  3962. struct fchs_s fchs;
  3963. int len;
  3964. struct bfa_fcxp_s *fcxp;
  3965. u8 symbl[256];
  3966. u8 *psymbl = &symbl[0];
  3967. memset(symbl, 0, sizeof(symbl));
  3968. bfa_trc(port->fcs, port->port_cfg.pwwn);
  3969. fcxp = fcxp_alloced ? fcxp_alloced :
  3970. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  3971. if (!fcxp) {
  3972. port->stats.ns_rspnid_alloc_wait++;
  3973. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  3974. bfa_fcs_lport_ns_send_rspn_id, ns, BFA_TRUE);
  3975. return;
  3976. }
  3977. ns->fcxp = fcxp;
  3978. /*
  3979. * for V-Port, form a Port Symbolic Name
  3980. */
  3981. if (port->vport) {
  3982. /*
  3983. * For Vports, we append the vport's port symbolic name
  3984. * to that of the base port.
  3985. */
  3986. strncpy((char *)psymbl,
  3987. (char *) &
  3988. (bfa_fcs_lport_get_psym_name
  3989. (bfa_fcs_get_base_port(port->fcs))),
  3990. strlen((char *) &
  3991. bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
  3992. (port->fcs))));
  3993. /* Ensure we have a null terminating string. */
  3994. ((char *)psymbl)[strlen((char *) &
  3995. bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
  3996. (port->fcs)))] = 0;
  3997. strncat((char *)psymbl,
  3998. (char *) &(bfa_fcs_lport_get_psym_name(port)),
  3999. strlen((char *) &bfa_fcs_lport_get_psym_name(port)));
  4000. } else {
  4001. psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
  4002. }
  4003. len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4004. bfa_fcs_lport_get_fcid(port), 0, psymbl);
  4005. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  4006. FC_CLASS_3, len, &fchs,
  4007. bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
  4008. FC_MAX_PDUSZ, FC_FCCT_TOV);
  4009. port->stats.ns_rspnid_sent++;
  4010. bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
  4011. }
  4012. static void
  4013. bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  4014. void *cbarg, bfa_status_t req_status,
  4015. u32 rsp_len, u32 resid_len,
  4016. struct fchs_s *rsp_fchs)
  4017. {
  4018. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
  4019. struct bfa_fcs_lport_s *port = ns->port;
  4020. struct ct_hdr_s *cthdr = NULL;
  4021. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4022. /*
  4023. * Sanity Checks
  4024. */
  4025. if (req_status != BFA_STATUS_OK) {
  4026. bfa_trc(port->fcs, req_status);
  4027. port->stats.ns_rspnid_rsp_err++;
  4028. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4029. return;
  4030. }
  4031. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  4032. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  4033. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  4034. port->stats.ns_rspnid_accepts++;
  4035. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  4036. return;
  4037. }
  4038. port->stats.ns_rspnid_rejects++;
  4039. bfa_trc(port->fcs, cthdr->reason_code);
  4040. bfa_trc(port->fcs, cthdr->exp_code);
  4041. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4042. }
  4043. /*
  4044. * Register FC4-Types
  4045. */
  4046. static void
  4047. bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  4048. {
  4049. struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
  4050. struct bfa_fcs_lport_s *port = ns->port;
  4051. struct fchs_s fchs;
  4052. int len;
  4053. struct bfa_fcxp_s *fcxp;
  4054. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4055. fcxp = fcxp_alloced ? fcxp_alloced :
  4056. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  4057. if (!fcxp) {
  4058. port->stats.ns_rftid_alloc_wait++;
  4059. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  4060. bfa_fcs_lport_ns_send_rft_id, ns, BFA_TRUE);
  4061. return;
  4062. }
  4063. ns->fcxp = fcxp;
  4064. len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4065. bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
  4066. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  4067. FC_CLASS_3, len, &fchs,
  4068. bfa_fcs_lport_ns_rft_id_response, (void *)ns,
  4069. FC_MAX_PDUSZ, FC_FCCT_TOV);
  4070. port->stats.ns_rftid_sent++;
  4071. bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
  4072. }
  4073. static void
  4074. bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  4075. void *cbarg, bfa_status_t req_status,
  4076. u32 rsp_len, u32 resid_len,
  4077. struct fchs_s *rsp_fchs)
  4078. {
  4079. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
  4080. struct bfa_fcs_lport_s *port = ns->port;
  4081. struct ct_hdr_s *cthdr = NULL;
  4082. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4083. /*
  4084. * Sanity Checks
  4085. */
  4086. if (req_status != BFA_STATUS_OK) {
  4087. bfa_trc(port->fcs, req_status);
  4088. port->stats.ns_rftid_rsp_err++;
  4089. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4090. return;
  4091. }
  4092. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  4093. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  4094. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  4095. port->stats.ns_rftid_accepts++;
  4096. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  4097. return;
  4098. }
  4099. port->stats.ns_rftid_rejects++;
  4100. bfa_trc(port->fcs, cthdr->reason_code);
  4101. bfa_trc(port->fcs, cthdr->exp_code);
  4102. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4103. }
  4104. /*
  4105. * Register FC4-Features : Should be done after RFT_ID
  4106. */
  4107. static void
  4108. bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  4109. {
  4110. struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
  4111. struct bfa_fcs_lport_s *port = ns->port;
  4112. struct fchs_s fchs;
  4113. int len;
  4114. struct bfa_fcxp_s *fcxp;
  4115. u8 fc4_ftrs = 0;
  4116. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4117. fcxp = fcxp_alloced ? fcxp_alloced :
  4118. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  4119. if (!fcxp) {
  4120. port->stats.ns_rffid_alloc_wait++;
  4121. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  4122. bfa_fcs_lport_ns_send_rff_id, ns, BFA_TRUE);
  4123. return;
  4124. }
  4125. ns->fcxp = fcxp;
  4126. if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
  4127. fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
  4128. len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4129. bfa_fcs_lport_get_fcid(port), 0,
  4130. FC_TYPE_FCP, fc4_ftrs);
  4131. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  4132. FC_CLASS_3, len, &fchs,
  4133. bfa_fcs_lport_ns_rff_id_response, (void *)ns,
  4134. FC_MAX_PDUSZ, FC_FCCT_TOV);
  4135. port->stats.ns_rffid_sent++;
  4136. bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
  4137. }
  4138. static void
  4139. bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  4140. void *cbarg, bfa_status_t req_status,
  4141. u32 rsp_len, u32 resid_len,
  4142. struct fchs_s *rsp_fchs)
  4143. {
  4144. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
  4145. struct bfa_fcs_lport_s *port = ns->port;
  4146. struct ct_hdr_s *cthdr = NULL;
  4147. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4148. /*
  4149. * Sanity Checks
  4150. */
  4151. if (req_status != BFA_STATUS_OK) {
  4152. bfa_trc(port->fcs, req_status);
  4153. port->stats.ns_rffid_rsp_err++;
  4154. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4155. return;
  4156. }
  4157. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  4158. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  4159. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  4160. port->stats.ns_rffid_accepts++;
  4161. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  4162. return;
  4163. }
  4164. port->stats.ns_rffid_rejects++;
  4165. bfa_trc(port->fcs, cthdr->reason_code);
  4166. bfa_trc(port->fcs, cthdr->exp_code);
  4167. if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
  4168. /* if this command is not supported, we don't retry */
  4169. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  4170. } else
  4171. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4172. }
  4173. /*
  4174. * Query Fabric for FC4-Types Devices.
  4175. *
  4176. * TBD : Need to use a local (FCS private) response buffer, since the response
  4177. * can be larger than 2K.
  4178. */
  4179. static void
  4180. bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  4181. {
  4182. struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
  4183. struct bfa_fcs_lport_s *port = ns->port;
  4184. struct fchs_s fchs;
  4185. int len;
  4186. struct bfa_fcxp_s *fcxp;
  4187. bfa_trc(port->fcs, port->pid);
  4188. fcxp = fcxp_alloced ? fcxp_alloced :
  4189. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  4190. if (!fcxp) {
  4191. port->stats.ns_gidft_alloc_wait++;
  4192. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  4193. bfa_fcs_lport_ns_send_gid_ft, ns, BFA_TRUE);
  4194. return;
  4195. }
  4196. ns->fcxp = fcxp;
  4197. /*
  4198. * This query is only initiated for FCP initiator mode.
  4199. */
  4200. len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4201. ns->port->pid, FC_TYPE_FCP);
  4202. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  4203. FC_CLASS_3, len, &fchs,
  4204. bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
  4205. bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
  4206. port->stats.ns_gidft_sent++;
  4207. bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
  4208. }
  4209. static void
  4210. bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  4211. void *cbarg, bfa_status_t req_status,
  4212. u32 rsp_len, u32 resid_len,
  4213. struct fchs_s *rsp_fchs)
  4214. {
  4215. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
  4216. struct bfa_fcs_lport_s *port = ns->port;
  4217. struct ct_hdr_s *cthdr = NULL;
  4218. u32 n_pids;
  4219. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4220. /*
  4221. * Sanity Checks
  4222. */
  4223. if (req_status != BFA_STATUS_OK) {
  4224. bfa_trc(port->fcs, req_status);
  4225. port->stats.ns_gidft_rsp_err++;
  4226. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4227. return;
  4228. }
  4229. if (resid_len != 0) {
  4230. /*
  4231. * TBD : we will need to allocate a larger buffer & retry the
  4232. * command
  4233. */
  4234. bfa_trc(port->fcs, rsp_len);
  4235. bfa_trc(port->fcs, resid_len);
  4236. return;
  4237. }
  4238. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  4239. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  4240. switch (cthdr->cmd_rsp_code) {
  4241. case CT_RSP_ACCEPT:
  4242. port->stats.ns_gidft_accepts++;
  4243. n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
  4244. bfa_trc(port->fcs, n_pids);
  4245. bfa_fcs_lport_ns_process_gidft_pids(port,
  4246. (u32 *) (cthdr + 1),
  4247. n_pids);
  4248. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  4249. break;
  4250. case CT_RSP_REJECT:
  4251. /*
  4252. * Check the reason code & explanation.
  4253. * There may not have been any FC4 devices in the fabric
  4254. */
  4255. port->stats.ns_gidft_rejects++;
  4256. bfa_trc(port->fcs, cthdr->reason_code);
  4257. bfa_trc(port->fcs, cthdr->exp_code);
  4258. if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
  4259. && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
  4260. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  4261. } else {
  4262. /*
  4263. * for all other errors, retry
  4264. */
  4265. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4266. }
  4267. break;
  4268. default:
  4269. port->stats.ns_gidft_unknown_rsp++;
  4270. bfa_trc(port->fcs, cthdr->cmd_rsp_code);
  4271. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4272. }
  4273. }
  4274. /*
  4275. * This routine will be called by bfa_timer on timer timeouts.
  4276. *
  4277. * param[in] port - pointer to bfa_fcs_lport_t.
  4278. *
  4279. * return
  4280. * void
  4281. *
  4282. * Special Considerations:
  4283. *
  4284. * note
  4285. */
  4286. static void
  4287. bfa_fcs_lport_ns_timeout(void *arg)
  4288. {
  4289. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
  4290. ns->port->stats.ns_timeouts++;
  4291. bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
  4292. }
  4293. /*
  4294. * Process the PID list in GID_FT response
  4295. */
  4296. static void
  4297. bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
  4298. u32 n_pids)
  4299. {
  4300. struct fcgs_gidft_resp_s *gidft_entry;
  4301. struct bfa_fcs_rport_s *rport;
  4302. u32 ii;
  4303. struct bfa_fcs_fabric_s *fabric = port->fabric;
  4304. struct bfa_fcs_vport_s *vport;
  4305. struct list_head *qe;
  4306. u8 found = 0;
  4307. for (ii = 0; ii < n_pids; ii++) {
  4308. gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
  4309. if (gidft_entry->pid == port->pid)
  4310. continue;
  4311. /*
  4312. * Ignore PID if it is of base port
  4313. * (Avoid vports discovering base port as remote port)
  4314. */
  4315. if (gidft_entry->pid == fabric->bport.pid)
  4316. continue;
  4317. /*
  4318. * Ignore PID if it is of vport created on the same base port
  4319. * (Avoid vport discovering every other vport created on the
  4320. * same port as remote port)
  4321. */
  4322. list_for_each(qe, &fabric->vport_q) {
  4323. vport = (struct bfa_fcs_vport_s *) qe;
  4324. if (vport->lport.pid == gidft_entry->pid)
  4325. found = 1;
  4326. }
  4327. if (found) {
  4328. found = 0;
  4329. continue;
  4330. }
  4331. /*
  4332. * Check if this rport already exists
  4333. */
  4334. rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
  4335. if (rport == NULL) {
  4336. /*
  4337. * this is a new device. create rport
  4338. */
  4339. rport = bfa_fcs_rport_create(port, gidft_entry->pid);
  4340. } else {
  4341. /*
  4342. * this rport already exists
  4343. */
  4344. bfa_fcs_rport_scn(rport);
  4345. }
  4346. bfa_trc(port->fcs, gidft_entry->pid);
  4347. /*
  4348. * if the last entry bit is set, bail out.
  4349. */
  4350. if (gidft_entry->last)
  4351. return;
  4352. }
  4353. }
  4354. /*
  4355. * fcs_ns_public FCS nameserver public interfaces
  4356. */
  4357. /*
  4358. * Functions called by port/fab.
  4359. * These will send relevant Events to the ns state machine.
  4360. */
  4361. void
  4362. bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
  4363. {
  4364. struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
  4365. ns->port = port;
  4366. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  4367. }
  4368. void
  4369. bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
  4370. {
  4371. struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
  4372. ns->port = port;
  4373. bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
  4374. }
  4375. void
  4376. bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
  4377. {
  4378. struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
  4379. ns->port = port;
  4380. bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
  4381. }
  4382. void
  4383. bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
  4384. {
  4385. struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
  4386. bfa_trc(port->fcs, port->pid);
  4387. if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_online))
  4388. bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
  4389. }
  4390. static void
  4391. bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
  4392. {
  4393. struct bfa_fcs_rport_s *rport;
  4394. u8 nwwns;
  4395. wwn_t wwns[BFA_PREBOOT_BOOTLUN_MAX];
  4396. int ii;
  4397. bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
  4398. for (ii = 0 ; ii < nwwns; ++ii) {
  4399. rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
  4400. WARN_ON(!rport);
  4401. }
  4402. }
  4403. void
  4404. bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
  4405. {
  4406. struct bfa_fcs_lport_ns_s *ns = cbarg;
  4407. struct bfa_fcs_lport_s *port = ns->port;
  4408. struct fchs_s fchs;
  4409. struct bfa_fcxp_s *fcxp;
  4410. u8 symbl[256];
  4411. u8 *psymbl = &symbl[0];
  4412. int len;
  4413. if (!bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
  4414. return;
  4415. /* Avoid sending RSPN in the following states. */
  4416. if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) ||
  4417. bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) ||
  4418. bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi) ||
  4419. bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_retry) ||
  4420. bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry))
  4421. return;
  4422. memset(symbl, 0, sizeof(symbl));
  4423. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4424. fcxp = fcxp_alloced ? fcxp_alloced :
  4425. bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
  4426. if (!fcxp) {
  4427. port->stats.ns_rspnid_alloc_wait++;
  4428. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  4429. bfa_fcs_lport_ns_util_send_rspn_id, ns, BFA_FALSE);
  4430. return;
  4431. }
  4432. ns->fcxp = fcxp;
  4433. if (port->vport) {
  4434. /*
  4435. * For Vports, we append the vport's port symbolic name
  4436. * to that of the base port.
  4437. */
  4438. strncpy((char *)psymbl, (char *)&(bfa_fcs_lport_get_psym_name
  4439. (bfa_fcs_get_base_port(port->fcs))),
  4440. strlen((char *)&bfa_fcs_lport_get_psym_name(
  4441. bfa_fcs_get_base_port(port->fcs))));
  4442. /* Ensure we have a null terminating string. */
  4443. ((char *)psymbl)[strlen((char *)&bfa_fcs_lport_get_psym_name(
  4444. bfa_fcs_get_base_port(port->fcs)))] = 0;
  4445. strncat((char *)psymbl,
  4446. (char *)&(bfa_fcs_lport_get_psym_name(port)),
  4447. strlen((char *)&bfa_fcs_lport_get_psym_name(port)));
  4448. }
  4449. len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4450. bfa_fcs_lport_get_fcid(port), 0, psymbl);
  4451. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  4452. FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
  4453. port->stats.ns_rspnid_sent++;
  4454. }
  4455. /*
  4456. * FCS SCN
  4457. */
  4458. #define FC_QOS_RSCN_EVENT 0x0c
  4459. #define FC_FABRIC_NAME_RSCN_EVENT 0x0d
  4460. /*
  4461. * forward declarations
  4462. */
  4463. static void bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
  4464. struct bfa_fcxp_s *fcxp_alloced);
  4465. static void bfa_fcs_lport_scn_scr_response(void *fcsarg,
  4466. struct bfa_fcxp_s *fcxp,
  4467. void *cbarg,
  4468. bfa_status_t req_status,
  4469. u32 rsp_len,
  4470. u32 resid_len,
  4471. struct fchs_s *rsp_fchs);
  4472. static void bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
  4473. struct fchs_s *rx_fchs);
  4474. static void bfa_fcs_lport_scn_timeout(void *arg);
  4475. /*
  4476. * fcs_scm_sm FCS SCN state machine
  4477. */
  4478. /*
  4479. * VPort SCN State Machine events
  4480. */
  4481. enum port_scn_event {
  4482. SCNSM_EVENT_PORT_ONLINE = 1,
  4483. SCNSM_EVENT_PORT_OFFLINE = 2,
  4484. SCNSM_EVENT_RSP_OK = 3,
  4485. SCNSM_EVENT_RSP_ERROR = 4,
  4486. SCNSM_EVENT_TIMEOUT = 5,
  4487. SCNSM_EVENT_SCR_SENT = 6,
  4488. };
  4489. static void bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
  4490. enum port_scn_event event);
  4491. static void bfa_fcs_lport_scn_sm_sending_scr(
  4492. struct bfa_fcs_lport_scn_s *scn,
  4493. enum port_scn_event event);
  4494. static void bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
  4495. enum port_scn_event event);
  4496. static void bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
  4497. enum port_scn_event event);
  4498. static void bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
  4499. enum port_scn_event event);
  4500. /*
  4501. * Starting state - awaiting link up.
  4502. */
  4503. static void
  4504. bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
  4505. enum port_scn_event event)
  4506. {
  4507. switch (event) {
  4508. case SCNSM_EVENT_PORT_ONLINE:
  4509. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
  4510. bfa_fcs_lport_scn_send_scr(scn, NULL);
  4511. break;
  4512. case SCNSM_EVENT_PORT_OFFLINE:
  4513. break;
  4514. default:
  4515. bfa_sm_fault(scn->port->fcs, event);
  4516. }
  4517. }
  4518. static void
  4519. bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
  4520. enum port_scn_event event)
  4521. {
  4522. switch (event) {
  4523. case SCNSM_EVENT_SCR_SENT:
  4524. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
  4525. break;
  4526. case SCNSM_EVENT_PORT_OFFLINE:
  4527. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
  4528. bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
  4529. break;
  4530. default:
  4531. bfa_sm_fault(scn->port->fcs, event);
  4532. }
  4533. }
  4534. static void
  4535. bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
  4536. enum port_scn_event event)
  4537. {
  4538. struct bfa_fcs_lport_s *port = scn->port;
  4539. switch (event) {
  4540. case SCNSM_EVENT_RSP_OK:
  4541. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
  4542. break;
  4543. case SCNSM_EVENT_RSP_ERROR:
  4544. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
  4545. bfa_timer_start(port->fcs->bfa, &scn->timer,
  4546. bfa_fcs_lport_scn_timeout, scn,
  4547. BFA_FCS_RETRY_TIMEOUT);
  4548. break;
  4549. case SCNSM_EVENT_PORT_OFFLINE:
  4550. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
  4551. bfa_fcxp_discard(scn->fcxp);
  4552. break;
  4553. default:
  4554. bfa_sm_fault(port->fcs, event);
  4555. }
  4556. }
  4557. static void
  4558. bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
  4559. enum port_scn_event event)
  4560. {
  4561. switch (event) {
  4562. case SCNSM_EVENT_TIMEOUT:
  4563. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
  4564. bfa_fcs_lport_scn_send_scr(scn, NULL);
  4565. break;
  4566. case SCNSM_EVENT_PORT_OFFLINE:
  4567. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
  4568. bfa_timer_stop(&scn->timer);
  4569. break;
  4570. default:
  4571. bfa_sm_fault(scn->port->fcs, event);
  4572. }
  4573. }
  4574. static void
  4575. bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
  4576. enum port_scn_event event)
  4577. {
  4578. switch (event) {
  4579. case SCNSM_EVENT_PORT_OFFLINE:
  4580. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
  4581. break;
  4582. default:
  4583. bfa_sm_fault(scn->port->fcs, event);
  4584. }
  4585. }
  4586. /*
  4587. * fcs_scn_private FCS SCN private functions
  4588. */
  4589. /*
  4590. * This routine will be called to send a SCR command.
  4591. */
  4592. static void
  4593. bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  4594. {
  4595. struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
  4596. struct bfa_fcs_lport_s *port = scn->port;
  4597. struct fchs_s fchs;
  4598. int len;
  4599. struct bfa_fcxp_s *fcxp;
  4600. bfa_trc(port->fcs, port->pid);
  4601. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4602. fcxp = fcxp_alloced ? fcxp_alloced :
  4603. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  4604. if (!fcxp) {
  4605. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
  4606. bfa_fcs_lport_scn_send_scr, scn, BFA_TRUE);
  4607. return;
  4608. }
  4609. scn->fcxp = fcxp;
  4610. /* Handle VU registrations for Base port only */
  4611. if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
  4612. len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4613. port->fabric->lps->brcd_switch,
  4614. port->pid, 0);
  4615. } else {
  4616. len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4617. BFA_FALSE,
  4618. port->pid, 0);
  4619. }
  4620. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  4621. FC_CLASS_3, len, &fchs,
  4622. bfa_fcs_lport_scn_scr_response,
  4623. (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
  4624. bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
  4625. }
  4626. static void
  4627. bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  4628. void *cbarg, bfa_status_t req_status, u32 rsp_len,
  4629. u32 resid_len, struct fchs_s *rsp_fchs)
  4630. {
  4631. struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
  4632. struct bfa_fcs_lport_s *port = scn->port;
  4633. struct fc_els_cmd_s *els_cmd;
  4634. struct fc_ls_rjt_s *ls_rjt;
  4635. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4636. /*
  4637. * Sanity Checks
  4638. */
  4639. if (req_status != BFA_STATUS_OK) {
  4640. bfa_trc(port->fcs, req_status);
  4641. bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
  4642. return;
  4643. }
  4644. els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
  4645. switch (els_cmd->els_code) {
  4646. case FC_ELS_ACC:
  4647. bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
  4648. break;
  4649. case FC_ELS_LS_RJT:
  4650. ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
  4651. bfa_trc(port->fcs, ls_rjt->reason_code);
  4652. bfa_trc(port->fcs, ls_rjt->reason_code_expl);
  4653. bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
  4654. break;
  4655. default:
  4656. bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
  4657. }
  4658. }
  4659. /*
  4660. * Send a LS Accept
  4661. */
  4662. static void
  4663. bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
  4664. struct fchs_s *rx_fchs)
  4665. {
  4666. struct fchs_s fchs;
  4667. struct bfa_fcxp_s *fcxp;
  4668. struct bfa_rport_s *bfa_rport = NULL;
  4669. int len;
  4670. bfa_trc(port->fcs, rx_fchs->s_id);
  4671. fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
  4672. if (!fcxp)
  4673. return;
  4674. len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4675. rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
  4676. rx_fchs->ox_id);
  4677. bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
  4678. BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
  4679. FC_MAX_PDUSZ, 0);
  4680. }
  4681. /*
  4682. * This routine will be called by bfa_timer on timer timeouts.
  4683. *
  4684. * param[in] vport - pointer to bfa_fcs_lport_t.
  4685. * param[out] vport_status - pointer to return vport status in
  4686. *
  4687. * return
  4688. * void
  4689. *
  4690. * Special Considerations:
  4691. *
  4692. * note
  4693. */
  4694. static void
  4695. bfa_fcs_lport_scn_timeout(void *arg)
  4696. {
  4697. struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
  4698. bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
  4699. }
  4700. /*
  4701. * fcs_scn_public FCS state change notification public interfaces
  4702. */
  4703. /*
  4704. * Functions called by port/fab
  4705. */
  4706. void
  4707. bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
  4708. {
  4709. struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
  4710. scn->port = port;
  4711. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
  4712. }
  4713. void
  4714. bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
  4715. {
  4716. struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
  4717. scn->port = port;
  4718. bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
  4719. }
  4720. void
  4721. bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *port)
  4722. {
  4723. struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
  4724. scn->port = port;
  4725. bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
  4726. }
  4727. static void
  4728. bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
  4729. {
  4730. struct bfa_fcs_rport_s *rport;
  4731. struct bfa_fcs_fabric_s *fabric = port->fabric;
  4732. struct bfa_fcs_vport_s *vport;
  4733. struct list_head *qe;
  4734. bfa_trc(port->fcs, rpid);
  4735. /*
  4736. * Ignore PID if it is of base port or of vports created on the
  4737. * same base port. It is to avoid vports discovering base port or
  4738. * other vports created on same base port as remote port
  4739. */
  4740. if (rpid == fabric->bport.pid)
  4741. return;
  4742. list_for_each(qe, &fabric->vport_q) {
  4743. vport = (struct bfa_fcs_vport_s *) qe;
  4744. if (vport->lport.pid == rpid)
  4745. return;
  4746. }
  4747. /*
  4748. * If this is an unknown device, then it just came online.
  4749. * Otherwise let rport handle the RSCN event.
  4750. */
  4751. rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
  4752. if (!rport)
  4753. rport = bfa_fcs_lport_get_rport_by_old_pid(port, rpid);
  4754. if (rport == NULL) {
  4755. /*
  4756. * If min cfg mode is enabled, we donot need to
  4757. * discover any new rports.
  4758. */
  4759. if (!__fcs_min_cfg(port->fcs))
  4760. rport = bfa_fcs_rport_create(port, rpid);
  4761. } else
  4762. bfa_fcs_rport_scn(rport);
  4763. }
  4764. /*
  4765. * rscn format based PID comparison
  4766. */
  4767. #define __fc_pid_match(__c0, __c1, __fmt) \
  4768. (((__fmt) == FC_RSCN_FORMAT_FABRIC) || \
  4769. (((__fmt) == FC_RSCN_FORMAT_DOMAIN) && \
  4770. ((__c0)[0] == (__c1)[0])) || \
  4771. (((__fmt) == FC_RSCN_FORMAT_AREA) && \
  4772. ((__c0)[0] == (__c1)[0]) && \
  4773. ((__c0)[1] == (__c1)[1])))
  4774. static void
  4775. bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
  4776. enum fc_rscn_format format,
  4777. u32 rscn_pid)
  4778. {
  4779. struct bfa_fcs_rport_s *rport;
  4780. struct list_head *qe, *qe_next;
  4781. u8 *c0, *c1;
  4782. bfa_trc(port->fcs, format);
  4783. bfa_trc(port->fcs, rscn_pid);
  4784. c0 = (u8 *) &rscn_pid;
  4785. list_for_each_safe(qe, qe_next, &port->rport_q) {
  4786. rport = (struct bfa_fcs_rport_s *) qe;
  4787. c1 = (u8 *) &rport->pid;
  4788. if (__fc_pid_match(c0, c1, format))
  4789. bfa_fcs_rport_scn(rport);
  4790. }
  4791. }
  4792. void
  4793. bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
  4794. struct fchs_s *fchs, u32 len)
  4795. {
  4796. struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
  4797. int num_entries;
  4798. u32 rscn_pid;
  4799. bfa_boolean_t nsquery = BFA_FALSE, found;
  4800. int i = 0, j;
  4801. num_entries =
  4802. (be16_to_cpu(rscn->payldlen) -
  4803. sizeof(u32)) / sizeof(rscn->event[0]);
  4804. bfa_trc(port->fcs, num_entries);
  4805. port->stats.num_rscn++;
  4806. bfa_fcs_lport_scn_send_ls_acc(port, fchs);
  4807. for (i = 0; i < num_entries; i++) {
  4808. rscn_pid = rscn->event[i].portid;
  4809. bfa_trc(port->fcs, rscn->event[i].format);
  4810. bfa_trc(port->fcs, rscn_pid);
  4811. /* check for duplicate entries in the list */
  4812. found = BFA_FALSE;
  4813. for (j = 0; j < i; j++) {
  4814. if (rscn->event[j].portid == rscn_pid) {
  4815. found = BFA_TRUE;
  4816. break;
  4817. }
  4818. }
  4819. /* if found in down the list, pid has been already processed */
  4820. if (found) {
  4821. bfa_trc(port->fcs, rscn_pid);
  4822. continue;
  4823. }
  4824. switch (rscn->event[i].format) {
  4825. case FC_RSCN_FORMAT_PORTID:
  4826. if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
  4827. /*
  4828. * Ignore this event.
  4829. * f/w would have processed it
  4830. */
  4831. bfa_trc(port->fcs, rscn_pid);
  4832. } else {
  4833. port->stats.num_portid_rscn++;
  4834. bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
  4835. }
  4836. break;
  4837. case FC_RSCN_FORMAT_FABRIC:
  4838. if (rscn->event[i].qualifier ==
  4839. FC_FABRIC_NAME_RSCN_EVENT) {
  4840. bfa_fcs_lport_ms_fabric_rscn(port);
  4841. break;
  4842. }
  4843. /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */
  4844. case FC_RSCN_FORMAT_AREA:
  4845. case FC_RSCN_FORMAT_DOMAIN:
  4846. nsquery = BFA_TRUE;
  4847. bfa_fcs_lport_scn_multiport_rscn(port,
  4848. rscn->event[i].format,
  4849. rscn_pid);
  4850. break;
  4851. default:
  4852. WARN_ON(1);
  4853. nsquery = BFA_TRUE;
  4854. }
  4855. }
  4856. /*
  4857. * If any of area, domain or fabric RSCN is received, do a fresh
  4858. * discovery to find new devices.
  4859. */
  4860. if (nsquery)
  4861. bfa_fcs_lport_ns_query(port);
  4862. }
  4863. /*
  4864. * BFA FCS port
  4865. */
  4866. /*
  4867. * fcs_port_api BFA FCS port API
  4868. */
  4869. struct bfa_fcs_lport_s *
  4870. bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
  4871. {
  4872. return &fcs->fabric.bport;
  4873. }
  4874. wwn_t
  4875. bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
  4876. int nrports, bfa_boolean_t bwwn)
  4877. {
  4878. struct list_head *qh, *qe;
  4879. struct bfa_fcs_rport_s *rport = NULL;
  4880. int i;
  4881. struct bfa_fcs_s *fcs;
  4882. if (port == NULL || nrports == 0)
  4883. return (wwn_t) 0;
  4884. fcs = port->fcs;
  4885. bfa_trc(fcs, (u32) nrports);
  4886. i = 0;
  4887. qh = &port->rport_q;
  4888. qe = bfa_q_first(qh);
  4889. while ((qe != qh) && (i < nrports)) {
  4890. rport = (struct bfa_fcs_rport_s *) qe;
  4891. if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
  4892. qe = bfa_q_next(qe);
  4893. bfa_trc(fcs, (u32) rport->pwwn);
  4894. bfa_trc(fcs, rport->pid);
  4895. bfa_trc(fcs, i);
  4896. continue;
  4897. }
  4898. if (bwwn) {
  4899. if (!memcmp(&wwn, &rport->pwwn, 8))
  4900. break;
  4901. } else {
  4902. if (i == index)
  4903. break;
  4904. }
  4905. i++;
  4906. qe = bfa_q_next(qe);
  4907. }
  4908. bfa_trc(fcs, i);
  4909. if (rport)
  4910. return rport->pwwn;
  4911. else
  4912. return (wwn_t) 0;
  4913. }
  4914. void
  4915. bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port,
  4916. struct bfa_rport_qualifier_s rports[], int *nrports)
  4917. {
  4918. struct list_head *qh, *qe;
  4919. struct bfa_fcs_rport_s *rport = NULL;
  4920. int i;
  4921. struct bfa_fcs_s *fcs;
  4922. if (port == NULL || rports == NULL || *nrports == 0)
  4923. return;
  4924. fcs = port->fcs;
  4925. bfa_trc(fcs, (u32) *nrports);
  4926. i = 0;
  4927. qh = &port->rport_q;
  4928. qe = bfa_q_first(qh);
  4929. while ((qe != qh) && (i < *nrports)) {
  4930. rport = (struct bfa_fcs_rport_s *) qe;
  4931. if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
  4932. qe = bfa_q_next(qe);
  4933. bfa_trc(fcs, (u32) rport->pwwn);
  4934. bfa_trc(fcs, rport->pid);
  4935. bfa_trc(fcs, i);
  4936. continue;
  4937. }
  4938. if (!rport->pwwn && !rport->pid) {
  4939. qe = bfa_q_next(qe);
  4940. continue;
  4941. }
  4942. rports[i].pwwn = rport->pwwn;
  4943. rports[i].pid = rport->pid;
  4944. i++;
  4945. qe = bfa_q_next(qe);
  4946. }
  4947. bfa_trc(fcs, i);
  4948. *nrports = i;
  4949. }
  4950. /*
  4951. * Iterate's through all the rport's in the given port to
  4952. * determine the maximum operating speed.
  4953. *
  4954. * !!!! To be used in TRL Functionality only !!!!
  4955. */
  4956. bfa_port_speed_t
  4957. bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
  4958. {
  4959. struct list_head *qh, *qe;
  4960. struct bfa_fcs_rport_s *rport = NULL;
  4961. struct bfa_fcs_s *fcs;
  4962. bfa_port_speed_t max_speed = 0;
  4963. struct bfa_port_attr_s port_attr;
  4964. bfa_port_speed_t port_speed, rport_speed;
  4965. bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
  4966. if (port == NULL)
  4967. return 0;
  4968. fcs = port->fcs;
  4969. /* Get Physical port's current speed */
  4970. bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
  4971. port_speed = port_attr.speed;
  4972. bfa_trc(fcs, port_speed);
  4973. qh = &port->rport_q;
  4974. qe = bfa_q_first(qh);
  4975. while (qe != qh) {
  4976. rport = (struct bfa_fcs_rport_s *) qe;
  4977. if ((bfa_ntoh3b(rport->pid) > 0xFFF000) ||
  4978. (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE) ||
  4979. (rport->scsi_function != BFA_RPORT_TARGET)) {
  4980. qe = bfa_q_next(qe);
  4981. continue;
  4982. }
  4983. rport_speed = rport->rpf.rpsc_speed;
  4984. if ((trl_enabled) && (rport_speed ==
  4985. BFA_PORT_SPEED_UNKNOWN)) {
  4986. /* Use default ratelim speed setting */
  4987. rport_speed =
  4988. bfa_fcport_get_ratelim_speed(port->fcs->bfa);
  4989. }
  4990. if (rport_speed > max_speed)
  4991. max_speed = rport_speed;
  4992. qe = bfa_q_next(qe);
  4993. }
  4994. if (max_speed > port_speed)
  4995. max_speed = port_speed;
  4996. bfa_trc(fcs, max_speed);
  4997. return max_speed;
  4998. }
  4999. struct bfa_fcs_lport_s *
  5000. bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
  5001. {
  5002. struct bfa_fcs_vport_s *vport;
  5003. bfa_fcs_vf_t *vf;
  5004. WARN_ON(fcs == NULL);
  5005. vf = bfa_fcs_vf_lookup(fcs, vf_id);
  5006. if (vf == NULL) {
  5007. bfa_trc(fcs, vf_id);
  5008. return NULL;
  5009. }
  5010. if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
  5011. return &vf->bport;
  5012. vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
  5013. if (vport)
  5014. return &vport->lport;
  5015. return NULL;
  5016. }
  5017. /*
  5018. * API corresponding to NPIV_VPORT_GETINFO.
  5019. */
  5020. void
  5021. bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
  5022. struct bfa_lport_info_s *port_info)
  5023. {
  5024. bfa_trc(port->fcs, port->fabric->fabric_name);
  5025. if (port->vport == NULL) {
  5026. /*
  5027. * This is a Physical port
  5028. */
  5029. port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
  5030. /*
  5031. * @todo : need to fix the state & reason
  5032. */
  5033. port_info->port_state = 0;
  5034. port_info->offline_reason = 0;
  5035. port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
  5036. port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
  5037. port_info->max_vports_supp =
  5038. bfa_lps_get_max_vport(port->fcs->bfa);
  5039. port_info->num_vports_inuse =
  5040. port->fabric->num_vports;
  5041. port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
  5042. port_info->num_rports_inuse = port->num_rports;
  5043. } else {
  5044. /*
  5045. * This is a virtual port
  5046. */
  5047. port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
  5048. /*
  5049. * @todo : need to fix the state & reason
  5050. */
  5051. port_info->port_state = 0;
  5052. port_info->offline_reason = 0;
  5053. port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
  5054. port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
  5055. }
  5056. }
  5057. void
  5058. bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
  5059. struct bfa_lport_stats_s *port_stats)
  5060. {
  5061. *port_stats = fcs_port->stats;
  5062. }
  5063. void
  5064. bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
  5065. {
  5066. memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
  5067. }
  5068. /*
  5069. * Let new loop map create missing rports
  5070. */
  5071. void
  5072. bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s *port)
  5073. {
  5074. bfa_fcs_lport_loop_online(port);
  5075. }
  5076. /*
  5077. * FCS virtual port state machine
  5078. */
  5079. #define __vport_fcs(__vp) ((__vp)->lport.fcs)
  5080. #define __vport_pwwn(__vp) ((__vp)->lport.port_cfg.pwwn)
  5081. #define __vport_nwwn(__vp) ((__vp)->lport.port_cfg.nwwn)
  5082. #define __vport_bfa(__vp) ((__vp)->lport.fcs->bfa)
  5083. #define __vport_fcid(__vp) ((__vp)->lport.pid)
  5084. #define __vport_fabric(__vp) ((__vp)->lport.fabric)
  5085. #define __vport_vfid(__vp) ((__vp)->lport.fabric->vf_id)
  5086. #define BFA_FCS_VPORT_MAX_RETRIES 5
  5087. /*
  5088. * Forward declarations
  5089. */
  5090. static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
  5091. static void bfa_fcs_vport_timeout(void *vport_arg);
  5092. static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
  5093. static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
  5094. /*
  5095. * fcs_vport_sm FCS virtual port state machine
  5096. */
  5097. /*
  5098. * VPort State Machine events
  5099. */
  5100. enum bfa_fcs_vport_event {
  5101. BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */
  5102. BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */
  5103. BFA_FCS_VPORT_SM_START = 3, /* vport start request */
  5104. BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */
  5105. BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */
  5106. BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */
  5107. BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */
  5108. BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */
  5109. BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */
  5110. BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */
  5111. BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */
  5112. BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error*/
  5113. BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */
  5114. BFA_FCS_VPORT_SM_STOPCOMP = 14, /* vport delete completion */
  5115. BFA_FCS_VPORT_SM_FABRIC_MAX = 15, /* max vports on fabric */
  5116. };
  5117. static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
  5118. enum bfa_fcs_vport_event event);
  5119. static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
  5120. enum bfa_fcs_vport_event event);
  5121. static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
  5122. enum bfa_fcs_vport_event event);
  5123. static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
  5124. enum bfa_fcs_vport_event event);
  5125. static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
  5126. enum bfa_fcs_vport_event event);
  5127. static void bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
  5128. enum bfa_fcs_vport_event event);
  5129. static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
  5130. enum bfa_fcs_vport_event event);
  5131. static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
  5132. enum bfa_fcs_vport_event event);
  5133. static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
  5134. enum bfa_fcs_vport_event event);
  5135. static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
  5136. enum bfa_fcs_vport_event event);
  5137. static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
  5138. enum bfa_fcs_vport_event event);
  5139. static void bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
  5140. enum bfa_fcs_vport_event event);
  5141. static void bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
  5142. enum bfa_fcs_vport_event event);
  5143. static struct bfa_sm_table_s vport_sm_table[] = {
  5144. {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
  5145. {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
  5146. {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
  5147. {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
  5148. {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
  5149. {BFA_SM(bfa_fcs_vport_sm_fdisc_rsp_wait), BFA_FCS_VPORT_FDISC_RSP_WAIT},
  5150. {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
  5151. {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
  5152. {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
  5153. {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
  5154. {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
  5155. };
  5156. /*
  5157. * Beginning state.
  5158. */
  5159. static void
  5160. bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
  5161. enum bfa_fcs_vport_event event)
  5162. {
  5163. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5164. bfa_trc(__vport_fcs(vport), event);
  5165. switch (event) {
  5166. case BFA_FCS_VPORT_SM_CREATE:
  5167. bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
  5168. bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
  5169. break;
  5170. default:
  5171. bfa_sm_fault(__vport_fcs(vport), event);
  5172. }
  5173. }
  5174. /*
  5175. * Created state - a start event is required to start up the state machine.
  5176. */
  5177. static void
  5178. bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
  5179. enum bfa_fcs_vport_event event)
  5180. {
  5181. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5182. bfa_trc(__vport_fcs(vport), event);
  5183. switch (event) {
  5184. case BFA_FCS_VPORT_SM_START:
  5185. if (bfa_sm_cmp_state(__vport_fabric(vport),
  5186. bfa_fcs_fabric_sm_online)
  5187. && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
  5188. bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
  5189. bfa_fcs_vport_do_fdisc(vport);
  5190. } else {
  5191. /*
  5192. * Fabric is offline or not NPIV capable, stay in
  5193. * offline state.
  5194. */
  5195. vport->vport_stats.fab_no_npiv++;
  5196. bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
  5197. }
  5198. break;
  5199. case BFA_FCS_VPORT_SM_DELETE:
  5200. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5201. bfa_fcs_lport_delete(&vport->lport);
  5202. break;
  5203. case BFA_FCS_VPORT_SM_ONLINE:
  5204. case BFA_FCS_VPORT_SM_OFFLINE:
  5205. /*
  5206. * Ignore ONLINE/OFFLINE events from fabric
  5207. * till vport is started.
  5208. */
  5209. break;
  5210. default:
  5211. bfa_sm_fault(__vport_fcs(vport), event);
  5212. }
  5213. }
  5214. /*
  5215. * Offline state - awaiting ONLINE event from fabric SM.
  5216. */
  5217. static void
  5218. bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
  5219. enum bfa_fcs_vport_event event)
  5220. {
  5221. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5222. bfa_trc(__vport_fcs(vport), event);
  5223. switch (event) {
  5224. case BFA_FCS_VPORT_SM_DELETE:
  5225. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5226. bfa_fcs_lport_delete(&vport->lport);
  5227. break;
  5228. case BFA_FCS_VPORT_SM_ONLINE:
  5229. bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
  5230. vport->fdisc_retries = 0;
  5231. bfa_fcs_vport_do_fdisc(vport);
  5232. break;
  5233. case BFA_FCS_VPORT_SM_STOP:
  5234. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5235. bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
  5236. break;
  5237. case BFA_FCS_VPORT_SM_OFFLINE:
  5238. /*
  5239. * This can happen if the vport couldn't be initialzied
  5240. * due the fact that the npiv was not enabled on the switch.
  5241. * In that case we will put the vport in offline state.
  5242. * However, the link can go down and cause the this event to
  5243. * be sent when we are already offline. Ignore it.
  5244. */
  5245. break;
  5246. default:
  5247. bfa_sm_fault(__vport_fcs(vport), event);
  5248. }
  5249. }
  5250. /*
  5251. * FDISC is sent and awaiting reply from fabric.
  5252. */
  5253. static void
  5254. bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
  5255. enum bfa_fcs_vport_event event)
  5256. {
  5257. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5258. bfa_trc(__vport_fcs(vport), event);
  5259. switch (event) {
  5260. case BFA_FCS_VPORT_SM_DELETE:
  5261. bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_rsp_wait);
  5262. break;
  5263. case BFA_FCS_VPORT_SM_OFFLINE:
  5264. bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
  5265. bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
  5266. break;
  5267. case BFA_FCS_VPORT_SM_RSP_OK:
  5268. bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
  5269. bfa_fcs_lport_online(&vport->lport);
  5270. break;
  5271. case BFA_FCS_VPORT_SM_RSP_ERROR:
  5272. bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
  5273. bfa_timer_start(__vport_bfa(vport), &vport->timer,
  5274. bfa_fcs_vport_timeout, vport,
  5275. BFA_FCS_RETRY_TIMEOUT);
  5276. break;
  5277. case BFA_FCS_VPORT_SM_RSP_FAILED:
  5278. case BFA_FCS_VPORT_SM_FABRIC_MAX:
  5279. bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
  5280. break;
  5281. case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
  5282. bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
  5283. break;
  5284. default:
  5285. bfa_sm_fault(__vport_fcs(vport), event);
  5286. }
  5287. }
  5288. /*
  5289. * FDISC attempt failed - a timer is active to retry FDISC.
  5290. */
  5291. static void
  5292. bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
  5293. enum bfa_fcs_vport_event event)
  5294. {
  5295. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5296. bfa_trc(__vport_fcs(vport), event);
  5297. switch (event) {
  5298. case BFA_FCS_VPORT_SM_DELETE:
  5299. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5300. bfa_timer_stop(&vport->timer);
  5301. bfa_fcs_lport_delete(&vport->lport);
  5302. break;
  5303. case BFA_FCS_VPORT_SM_OFFLINE:
  5304. bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
  5305. bfa_timer_stop(&vport->timer);
  5306. break;
  5307. case BFA_FCS_VPORT_SM_TIMEOUT:
  5308. bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
  5309. vport->vport_stats.fdisc_retries++;
  5310. vport->fdisc_retries++;
  5311. bfa_fcs_vport_do_fdisc(vport);
  5312. break;
  5313. default:
  5314. bfa_sm_fault(__vport_fcs(vport), event);
  5315. }
  5316. }
  5317. /*
  5318. * FDISC is in progress and we got a vport delete request -
  5319. * this is a wait state while we wait for fdisc response and
  5320. * we will transition to the appropriate state - on rsp status.
  5321. */
  5322. static void
  5323. bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
  5324. enum bfa_fcs_vport_event event)
  5325. {
  5326. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5327. bfa_trc(__vport_fcs(vport), event);
  5328. switch (event) {
  5329. case BFA_FCS_VPORT_SM_RSP_OK:
  5330. bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
  5331. bfa_fcs_lport_delete(&vport->lport);
  5332. break;
  5333. case BFA_FCS_VPORT_SM_DELETE:
  5334. break;
  5335. case BFA_FCS_VPORT_SM_OFFLINE:
  5336. case BFA_FCS_VPORT_SM_RSP_ERROR:
  5337. case BFA_FCS_VPORT_SM_RSP_FAILED:
  5338. case BFA_FCS_VPORT_SM_FABRIC_MAX:
  5339. case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
  5340. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5341. bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
  5342. bfa_fcs_lport_delete(&vport->lport);
  5343. break;
  5344. default:
  5345. bfa_sm_fault(__vport_fcs(vport), event);
  5346. }
  5347. }
  5348. /*
  5349. * Vport is online (FDISC is complete).
  5350. */
  5351. static void
  5352. bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
  5353. enum bfa_fcs_vport_event event)
  5354. {
  5355. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5356. bfa_trc(__vport_fcs(vport), event);
  5357. switch (event) {
  5358. case BFA_FCS_VPORT_SM_DELETE:
  5359. bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
  5360. bfa_fcs_lport_delete(&vport->lport);
  5361. break;
  5362. case BFA_FCS_VPORT_SM_STOP:
  5363. bfa_sm_set_state(vport, bfa_fcs_vport_sm_stopping);
  5364. bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
  5365. break;
  5366. case BFA_FCS_VPORT_SM_OFFLINE:
  5367. bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
  5368. bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
  5369. bfa_fcs_lport_offline(&vport->lport);
  5370. break;
  5371. default:
  5372. bfa_sm_fault(__vport_fcs(vport), event);
  5373. }
  5374. }
  5375. /*
  5376. * Vport is being stopped - awaiting lport stop completion to send
  5377. * LOGO to fabric.
  5378. */
  5379. static void
  5380. bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
  5381. enum bfa_fcs_vport_event event)
  5382. {
  5383. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5384. bfa_trc(__vport_fcs(vport), event);
  5385. switch (event) {
  5386. case BFA_FCS_VPORT_SM_STOPCOMP:
  5387. bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo_for_stop);
  5388. bfa_fcs_vport_do_logo(vport);
  5389. break;
  5390. case BFA_FCS_VPORT_SM_OFFLINE:
  5391. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5392. break;
  5393. default:
  5394. bfa_sm_fault(__vport_fcs(vport), event);
  5395. }
  5396. }
  5397. /*
  5398. * Vport is being deleted - awaiting lport delete completion to send
  5399. * LOGO to fabric.
  5400. */
  5401. static void
  5402. bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
  5403. enum bfa_fcs_vport_event event)
  5404. {
  5405. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5406. bfa_trc(__vport_fcs(vport), event);
  5407. switch (event) {
  5408. case BFA_FCS_VPORT_SM_DELETE:
  5409. break;
  5410. case BFA_FCS_VPORT_SM_DELCOMP:
  5411. bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
  5412. bfa_fcs_vport_do_logo(vport);
  5413. break;
  5414. case BFA_FCS_VPORT_SM_OFFLINE:
  5415. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5416. break;
  5417. default:
  5418. bfa_sm_fault(__vport_fcs(vport), event);
  5419. }
  5420. }
  5421. /*
  5422. * Error State.
  5423. * This state will be set when the Vport Creation fails due
  5424. * to errors like Dup WWN. In this state only operation allowed
  5425. * is a Vport Delete.
  5426. */
  5427. static void
  5428. bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
  5429. enum bfa_fcs_vport_event event)
  5430. {
  5431. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5432. bfa_trc(__vport_fcs(vport), event);
  5433. switch (event) {
  5434. case BFA_FCS_VPORT_SM_DELETE:
  5435. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5436. bfa_fcs_lport_delete(&vport->lport);
  5437. break;
  5438. default:
  5439. bfa_trc(__vport_fcs(vport), event);
  5440. }
  5441. }
  5442. /*
  5443. * Lport cleanup is in progress since vport is being deleted. Fabric is
  5444. * offline, so no LOGO is needed to complete vport deletion.
  5445. */
  5446. static void
  5447. bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
  5448. enum bfa_fcs_vport_event event)
  5449. {
  5450. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5451. bfa_trc(__vport_fcs(vport), event);
  5452. switch (event) {
  5453. case BFA_FCS_VPORT_SM_DELCOMP:
  5454. bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
  5455. bfa_fcs_vport_free(vport);
  5456. break;
  5457. case BFA_FCS_VPORT_SM_STOPCOMP:
  5458. bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
  5459. break;
  5460. case BFA_FCS_VPORT_SM_DELETE:
  5461. break;
  5462. default:
  5463. bfa_sm_fault(__vport_fcs(vport), event);
  5464. }
  5465. }
  5466. /*
  5467. * LOGO is sent to fabric. Vport stop is in progress. Lport stop cleanup
  5468. * is done.
  5469. */
  5470. static void
  5471. bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
  5472. enum bfa_fcs_vport_event event)
  5473. {
  5474. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5475. bfa_trc(__vport_fcs(vport), event);
  5476. switch (event) {
  5477. case BFA_FCS_VPORT_SM_OFFLINE:
  5478. bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
  5479. /*
  5480. * !!! fall through !!!
  5481. */
  5482. case BFA_FCS_VPORT_SM_RSP_OK:
  5483. case BFA_FCS_VPORT_SM_RSP_ERROR:
  5484. bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
  5485. break;
  5486. default:
  5487. bfa_sm_fault(__vport_fcs(vport), event);
  5488. }
  5489. }
  5490. /*
  5491. * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
  5492. * is done.
  5493. */
  5494. static void
  5495. bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
  5496. enum bfa_fcs_vport_event event)
  5497. {
  5498. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5499. bfa_trc(__vport_fcs(vport), event);
  5500. switch (event) {
  5501. case BFA_FCS_VPORT_SM_OFFLINE:
  5502. bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
  5503. /*
  5504. * !!! fall through !!!
  5505. */
  5506. case BFA_FCS_VPORT_SM_RSP_OK:
  5507. case BFA_FCS_VPORT_SM_RSP_ERROR:
  5508. bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
  5509. bfa_fcs_vport_free(vport);
  5510. break;
  5511. case BFA_FCS_VPORT_SM_DELETE:
  5512. break;
  5513. default:
  5514. bfa_sm_fault(__vport_fcs(vport), event);
  5515. }
  5516. }
  5517. /*
  5518. * fcs_vport_private FCS virtual port private functions
  5519. */
  5520. /*
  5521. * Send AEN notification
  5522. */
  5523. static void
  5524. bfa_fcs_vport_aen_post(struct bfa_fcs_lport_s *port,
  5525. enum bfa_lport_aen_event event)
  5526. {
  5527. struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
  5528. struct bfa_aen_entry_s *aen_entry;
  5529. bfad_get_aen_entry(bfad, aen_entry);
  5530. if (!aen_entry)
  5531. return;
  5532. aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
  5533. aen_entry->aen_data.lport.roles = port->port_cfg.roles;
  5534. aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
  5535. bfa_fcs_get_base_port(port->fcs));
  5536. aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
  5537. /* Send the AEN notification */
  5538. bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
  5539. BFA_AEN_CAT_LPORT, event);
  5540. }
  5541. /*
  5542. * This routine will be called to send a FDISC command.
  5543. */
  5544. static void
  5545. bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
  5546. {
  5547. bfa_lps_fdisc(vport->lps, vport,
  5548. bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
  5549. __vport_pwwn(vport), __vport_nwwn(vport));
  5550. vport->vport_stats.fdisc_sent++;
  5551. }
  5552. static void
  5553. bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
  5554. {
  5555. u8 lsrjt_rsn = vport->lps->lsrjt_rsn;
  5556. u8 lsrjt_expl = vport->lps->lsrjt_expl;
  5557. bfa_trc(__vport_fcs(vport), lsrjt_rsn);
  5558. bfa_trc(__vport_fcs(vport), lsrjt_expl);
  5559. /* For certain reason codes, we don't want to retry. */
  5560. switch (vport->lps->lsrjt_expl) {
  5561. case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
  5562. case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
  5563. if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
  5564. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
  5565. else {
  5566. bfa_fcs_vport_aen_post(&vport->lport,
  5567. BFA_LPORT_AEN_NPIV_DUP_WWN);
  5568. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
  5569. }
  5570. break;
  5571. case FC_LS_RJT_EXP_INSUFF_RES:
  5572. /*
  5573. * This means max logins per port/switch setting on the
  5574. * switch was exceeded.
  5575. */
  5576. if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
  5577. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
  5578. else {
  5579. bfa_fcs_vport_aen_post(&vport->lport,
  5580. BFA_LPORT_AEN_NPIV_FABRIC_MAX);
  5581. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_FABRIC_MAX);
  5582. }
  5583. break;
  5584. default:
  5585. if (vport->fdisc_retries == 0)
  5586. bfa_fcs_vport_aen_post(&vport->lport,
  5587. BFA_LPORT_AEN_NPIV_UNKNOWN);
  5588. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
  5589. }
  5590. }
  5591. /*
  5592. * Called to send a logout to the fabric. Used when a V-Port is
  5593. * deleted/stopped.
  5594. */
  5595. static void
  5596. bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
  5597. {
  5598. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5599. vport->vport_stats.logo_sent++;
  5600. bfa_lps_fdisclogo(vport->lps);
  5601. }
  5602. /*
  5603. * This routine will be called by bfa_timer on timer timeouts.
  5604. *
  5605. * param[in] vport - pointer to bfa_fcs_vport_t.
  5606. * param[out] vport_status - pointer to return vport status in
  5607. *
  5608. * return
  5609. * void
  5610. *
  5611. * Special Considerations:
  5612. *
  5613. * note
  5614. */
  5615. static void
  5616. bfa_fcs_vport_timeout(void *vport_arg)
  5617. {
  5618. struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
  5619. vport->vport_stats.fdisc_timeouts++;
  5620. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
  5621. }
  5622. static void
  5623. bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
  5624. {
  5625. struct bfad_vport_s *vport_drv =
  5626. (struct bfad_vport_s *)vport->vport_drv;
  5627. bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
  5628. bfa_lps_delete(vport->lps);
  5629. if (vport_drv->comp_del) {
  5630. complete(vport_drv->comp_del);
  5631. return;
  5632. }
  5633. /*
  5634. * We queue the vport delete work to the IM work_q from here.
  5635. * The memory for the bfad_vport_s is freed from the FC function
  5636. * template vport_delete entry point.
  5637. */
  5638. bfad_im_port_delete(vport_drv->drv_port.bfad, &vport_drv->drv_port);
  5639. }
  5640. /*
  5641. * fcs_vport_public FCS virtual port public interfaces
  5642. */
  5643. /*
  5644. * Online notification from fabric SM.
  5645. */
  5646. void
  5647. bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
  5648. {
  5649. vport->vport_stats.fab_online++;
  5650. if (bfa_fcs_fabric_npiv_capable(__vport_fabric(vport)))
  5651. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
  5652. else
  5653. vport->vport_stats.fab_no_npiv++;
  5654. }
  5655. /*
  5656. * Offline notification from fabric SM.
  5657. */
  5658. void
  5659. bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
  5660. {
  5661. vport->vport_stats.fab_offline++;
  5662. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
  5663. }
  5664. /*
  5665. * Cleanup notification from fabric SM on link timer expiry.
  5666. */
  5667. void
  5668. bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
  5669. {
  5670. vport->vport_stats.fab_cleanup++;
  5671. }
  5672. /*
  5673. * Stop notification from fabric SM. To be invoked from within FCS.
  5674. */
  5675. void
  5676. bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport)
  5677. {
  5678. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
  5679. }
  5680. /*
  5681. * delete notification from fabric SM. To be invoked from within FCS.
  5682. */
  5683. void
  5684. bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
  5685. {
  5686. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
  5687. }
  5688. /*
  5689. * Stop completion callback from associated lport
  5690. */
  5691. void
  5692. bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport)
  5693. {
  5694. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOPCOMP);
  5695. }
  5696. /*
  5697. * Delete completion callback from associated lport
  5698. */
  5699. void
  5700. bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
  5701. {
  5702. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
  5703. }
  5704. /*
  5705. * fcs_vport_api Virtual port API
  5706. */
  5707. /*
  5708. * Use this function to instantiate a new FCS vport object. This
  5709. * function will not trigger any HW initialization process (which will be
  5710. * done in vport_start() call)
  5711. *
  5712. * param[in] vport - pointer to bfa_fcs_vport_t. This space
  5713. * needs to be allocated by the driver.
  5714. * param[in] fcs - FCS instance
  5715. * param[in] vport_cfg - vport configuration
  5716. * param[in] vf_id - VF_ID if vport is created within a VF.
  5717. * FC_VF_ID_NULL to specify base fabric.
  5718. * param[in] vport_drv - Opaque handle back to the driver's vport
  5719. * structure
  5720. *
  5721. * retval BFA_STATUS_OK - on success.
  5722. * retval BFA_STATUS_FAILED - on failure.
  5723. */
  5724. bfa_status_t
  5725. bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
  5726. u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
  5727. struct bfad_vport_s *vport_drv)
  5728. {
  5729. if (vport_cfg->pwwn == 0)
  5730. return BFA_STATUS_INVALID_WWN;
  5731. if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
  5732. return BFA_STATUS_VPORT_WWN_BP;
  5733. if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
  5734. return BFA_STATUS_VPORT_EXISTS;
  5735. if (fcs->fabric.num_vports ==
  5736. bfa_lps_get_max_vport(fcs->bfa))
  5737. return BFA_STATUS_VPORT_MAX;
  5738. vport->lps = bfa_lps_alloc(fcs->bfa);
  5739. if (!vport->lps)
  5740. return BFA_STATUS_VPORT_MAX;
  5741. vport->vport_drv = vport_drv;
  5742. vport_cfg->preboot_vp = BFA_FALSE;
  5743. bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
  5744. bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
  5745. bfa_fcs_lport_init(&vport->lport, vport_cfg);
  5746. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
  5747. return BFA_STATUS_OK;
  5748. }
  5749. /*
  5750. * Use this function to instantiate a new FCS PBC vport object. This
  5751. * function will not trigger any HW initialization process (which will be
  5752. * done in vport_start() call)
  5753. *
  5754. * param[in] vport - pointer to bfa_fcs_vport_t. This space
  5755. * needs to be allocated by the driver.
  5756. * param[in] fcs - FCS instance
  5757. * param[in] vport_cfg - vport configuration
  5758. * param[in] vf_id - VF_ID if vport is created within a VF.
  5759. * FC_VF_ID_NULL to specify base fabric.
  5760. * param[in] vport_drv - Opaque handle back to the driver's vport
  5761. * structure
  5762. *
  5763. * retval BFA_STATUS_OK - on success.
  5764. * retval BFA_STATUS_FAILED - on failure.
  5765. */
  5766. bfa_status_t
  5767. bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
  5768. u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
  5769. struct bfad_vport_s *vport_drv)
  5770. {
  5771. bfa_status_t rc;
  5772. rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
  5773. vport->lport.port_cfg.preboot_vp = BFA_TRUE;
  5774. return rc;
  5775. }
  5776. /*
  5777. * Use this function to findout if this is a pbc vport or not.
  5778. *
  5779. * @param[in] vport - pointer to bfa_fcs_vport_t.
  5780. *
  5781. * @returns None
  5782. */
  5783. bfa_boolean_t
  5784. bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
  5785. {
  5786. if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
  5787. return BFA_TRUE;
  5788. else
  5789. return BFA_FALSE;
  5790. }
  5791. /*
  5792. * Use this function initialize the vport.
  5793. *
  5794. * @param[in] vport - pointer to bfa_fcs_vport_t.
  5795. *
  5796. * @returns None
  5797. */
  5798. bfa_status_t
  5799. bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
  5800. {
  5801. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
  5802. return BFA_STATUS_OK;
  5803. }
  5804. /*
  5805. * Use this function quiese the vport object. This function will return
  5806. * immediately, when the vport is actually stopped, the
  5807. * bfa_drv_vport_stop_cb() will be called.
  5808. *
  5809. * param[in] vport - pointer to bfa_fcs_vport_t.
  5810. *
  5811. * return None
  5812. */
  5813. bfa_status_t
  5814. bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
  5815. {
  5816. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
  5817. return BFA_STATUS_OK;
  5818. }
  5819. /*
  5820. * Use this function to delete a vport object. Fabric object should
  5821. * be stopped before this function call.
  5822. *
  5823. * !!!!!!! Donot invoke this from within FCS !!!!!!!
  5824. *
  5825. * param[in] vport - pointer to bfa_fcs_vport_t.
  5826. *
  5827. * return None
  5828. */
  5829. bfa_status_t
  5830. bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
  5831. {
  5832. if (vport->lport.port_cfg.preboot_vp)
  5833. return BFA_STATUS_PBC;
  5834. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
  5835. return BFA_STATUS_OK;
  5836. }
  5837. /*
  5838. * Use this function to get vport's current status info.
  5839. *
  5840. * param[in] vport pointer to bfa_fcs_vport_t.
  5841. * param[out] attr pointer to return vport attributes
  5842. *
  5843. * return None
  5844. */
  5845. void
  5846. bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
  5847. struct bfa_vport_attr_s *attr)
  5848. {
  5849. if (vport == NULL || attr == NULL)
  5850. return;
  5851. memset(attr, 0, sizeof(struct bfa_vport_attr_s));
  5852. bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
  5853. attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
  5854. }
  5855. /*
  5856. * Lookup a virtual port. Excludes base port from lookup.
  5857. */
  5858. struct bfa_fcs_vport_s *
  5859. bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
  5860. {
  5861. struct bfa_fcs_vport_s *vport;
  5862. struct bfa_fcs_fabric_s *fabric;
  5863. bfa_trc(fcs, vf_id);
  5864. bfa_trc(fcs, vpwwn);
  5865. fabric = bfa_fcs_vf_lookup(fcs, vf_id);
  5866. if (!fabric) {
  5867. bfa_trc(fcs, vf_id);
  5868. return NULL;
  5869. }
  5870. vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
  5871. return vport;
  5872. }
  5873. /*
  5874. * FDISC Response
  5875. */
  5876. void
  5877. bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
  5878. {
  5879. struct bfa_fcs_vport_s *vport = uarg;
  5880. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5881. bfa_trc(__vport_fcs(vport), status);
  5882. switch (status) {
  5883. case BFA_STATUS_OK:
  5884. /*
  5885. * Initialize the V-Port fields
  5886. */
  5887. __vport_fcid(vport) = vport->lps->lp_pid;
  5888. vport->vport_stats.fdisc_accepts++;
  5889. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
  5890. break;
  5891. case BFA_STATUS_INVALID_MAC:
  5892. /* Only for CNA */
  5893. vport->vport_stats.fdisc_acc_bad++;
  5894. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
  5895. break;
  5896. case BFA_STATUS_EPROTOCOL:
  5897. switch (vport->lps->ext_status) {
  5898. case BFA_EPROTO_BAD_ACCEPT:
  5899. vport->vport_stats.fdisc_acc_bad++;
  5900. break;
  5901. case BFA_EPROTO_UNKNOWN_RSP:
  5902. vport->vport_stats.fdisc_unknown_rsp++;
  5903. break;
  5904. default:
  5905. break;
  5906. }
  5907. if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
  5908. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
  5909. else
  5910. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
  5911. break;
  5912. case BFA_STATUS_ETIMER:
  5913. vport->vport_stats.fdisc_timeouts++;
  5914. if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
  5915. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
  5916. else
  5917. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
  5918. break;
  5919. case BFA_STATUS_FABRIC_RJT:
  5920. vport->vport_stats.fdisc_rejects++;
  5921. bfa_fcs_vport_fdisc_rejected(vport);
  5922. break;
  5923. default:
  5924. vport->vport_stats.fdisc_rsp_err++;
  5925. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
  5926. }
  5927. }
  5928. /*
  5929. * LOGO response
  5930. */
  5931. void
  5932. bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
  5933. {
  5934. struct bfa_fcs_vport_s *vport = uarg;
  5935. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
  5936. }
  5937. /*
  5938. * Received clear virtual link
  5939. */
  5940. void
  5941. bfa_cb_lps_cvl_event(void *bfad, void *uarg)
  5942. {
  5943. struct bfa_fcs_vport_s *vport = uarg;
  5944. /* Send an Offline followed by an ONLINE */
  5945. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
  5946. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
  5947. }