bfa_fcs_lport.c 177 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. void
  944. bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port,
  945. char *symname)
  946. {
  947. strcpy(port->port_cfg.sym_name.symname, symname);
  948. if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
  949. bfa_fcs_lport_ns_util_send_rspn_id(
  950. BFA_FCS_GET_NS_FROM_PORT(port), NULL);
  951. }
  952. /*
  953. * fcs_lport_api
  954. */
  955. void
  956. bfa_fcs_lport_get_attr(
  957. struct bfa_fcs_lport_s *port,
  958. struct bfa_lport_attr_s *port_attr)
  959. {
  960. if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
  961. port_attr->pid = port->pid;
  962. else
  963. port_attr->pid = 0;
  964. port_attr->port_cfg = port->port_cfg;
  965. if (port->fabric) {
  966. port_attr->port_type = port->fabric->oper_type;
  967. port_attr->loopback = bfa_sm_cmp_state(port->fabric,
  968. bfa_fcs_fabric_sm_loopback);
  969. port_attr->authfail =
  970. bfa_sm_cmp_state(port->fabric,
  971. bfa_fcs_fabric_sm_auth_failed);
  972. port_attr->fabric_name = bfa_fcs_lport_get_fabric_name(port);
  973. memcpy(port_attr->fabric_ip_addr,
  974. bfa_fcs_lport_get_fabric_ipaddr(port),
  975. BFA_FCS_FABRIC_IPADDR_SZ);
  976. if (port->vport != NULL) {
  977. port_attr->port_type = BFA_PORT_TYPE_VPORT;
  978. port_attr->fpma_mac =
  979. port->vport->lps->lp_mac;
  980. } else {
  981. port_attr->fpma_mac =
  982. port->fabric->lps->lp_mac;
  983. }
  984. } else {
  985. port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
  986. port_attr->state = BFA_LPORT_UNINIT;
  987. }
  988. }
  989. /*
  990. * bfa_fcs_lport_fab port fab functions
  991. */
  992. /*
  993. * Called by port to initialize fabric services of the base port.
  994. */
  995. static void
  996. bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
  997. {
  998. bfa_fcs_lport_ns_init(port);
  999. bfa_fcs_lport_scn_init(port);
  1000. bfa_fcs_lport_ms_init(port);
  1001. }
  1002. /*
  1003. * Called by port to notify transition to online state.
  1004. */
  1005. static void
  1006. bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
  1007. {
  1008. bfa_fcs_lport_ns_online(port);
  1009. bfa_fcs_lport_fab_scn_online(port);
  1010. }
  1011. /*
  1012. * Called by port to notify transition to offline state.
  1013. */
  1014. static void
  1015. bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
  1016. {
  1017. bfa_fcs_lport_ns_offline(port);
  1018. bfa_fcs_lport_scn_offline(port);
  1019. bfa_fcs_lport_ms_offline(port);
  1020. }
  1021. /*
  1022. * bfa_fcs_lport_n2n functions
  1023. */
  1024. /*
  1025. * Called by fcs/port to initialize N2N topology.
  1026. */
  1027. static void
  1028. bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
  1029. {
  1030. }
  1031. /*
  1032. * Called by fcs/port to notify transition to online state.
  1033. */
  1034. static void
  1035. bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
  1036. {
  1037. struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
  1038. struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
  1039. struct bfa_fcs_rport_s *rport;
  1040. bfa_trc(port->fcs, pcfg->pwwn);
  1041. /*
  1042. * If our PWWN is > than that of the r-port, we have to initiate PLOGI
  1043. * and assign an Address. if not, we need to wait for its PLOGI.
  1044. *
  1045. * If our PWWN is < than that of the remote port, it will send a PLOGI
  1046. * with the PIDs assigned. The rport state machine take care of this
  1047. * incoming PLOGI.
  1048. */
  1049. if (memcmp
  1050. ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
  1051. sizeof(wwn_t)) > 0) {
  1052. port->pid = N2N_LOCAL_PID;
  1053. bfa_lps_set_n2n_pid(port->fabric->lps, N2N_LOCAL_PID);
  1054. /*
  1055. * First, check if we know the device by pwwn.
  1056. */
  1057. rport = bfa_fcs_lport_get_rport_by_pwwn(port,
  1058. n2n_port->rem_port_wwn);
  1059. if (rport) {
  1060. bfa_trc(port->fcs, rport->pid);
  1061. bfa_trc(port->fcs, rport->pwwn);
  1062. rport->pid = N2N_REMOTE_PID;
  1063. bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
  1064. return;
  1065. }
  1066. /*
  1067. * In n2n there can be only one rport. Delete the old one
  1068. * whose pid should be zero, because it is offline.
  1069. */
  1070. if (port->num_rports > 0) {
  1071. rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
  1072. WARN_ON(rport == NULL);
  1073. if (rport) {
  1074. bfa_trc(port->fcs, rport->pwwn);
  1075. bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
  1076. }
  1077. }
  1078. bfa_fcs_rport_create(port, N2N_REMOTE_PID);
  1079. }
  1080. }
  1081. /*
  1082. * Called by fcs/port to notify transition to offline state.
  1083. */
  1084. static void
  1085. bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
  1086. {
  1087. struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
  1088. bfa_trc(port->fcs, port->pid);
  1089. port->pid = 0;
  1090. n2n_port->rem_port_wwn = 0;
  1091. n2n_port->reply_oxid = 0;
  1092. }
  1093. void
  1094. bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
  1095. {
  1096. int i = 0, j = 0, bit = 0, alpa_bit = 0;
  1097. u8 k = 0;
  1098. struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(port->fcs->bfa);
  1099. port->port_topo.ploop.alpabm_valid = fcport->alpabm_valid;
  1100. port->pid = fcport->myalpa;
  1101. port->pid = bfa_hton3b(port->pid);
  1102. for (i = 0; i < (FC_ALPA_MAX / 8); i++) {
  1103. for (j = 0, alpa_bit = 0; j < 8; j++, alpa_bit++) {
  1104. bfa_trc(port->fcs->bfa, fcport->alpabm.alpa_bm[i]);
  1105. bit = (fcport->alpabm.alpa_bm[i] & (1 << (7 - j)));
  1106. if (bit) {
  1107. port->port_topo.ploop.alpa_pos_map[k] =
  1108. loop_alpa_map[(i * 8) + alpa_bit];
  1109. k++;
  1110. bfa_trc(port->fcs->bfa, k);
  1111. bfa_trc(port->fcs->bfa,
  1112. port->port_topo.ploop.alpa_pos_map[k]);
  1113. }
  1114. }
  1115. }
  1116. port->port_topo.ploop.num_alpa = k;
  1117. }
  1118. /*
  1119. * Called by fcs/port to initialize Loop topology.
  1120. */
  1121. static void
  1122. bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port)
  1123. {
  1124. }
  1125. /*
  1126. * Called by fcs/port to notify transition to online state.
  1127. */
  1128. static void
  1129. bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port)
  1130. {
  1131. u8 num_alpa = 0, alpabm_valid = 0;
  1132. struct bfa_fcs_rport_s *rport;
  1133. u8 *alpa_map = NULL;
  1134. int i = 0;
  1135. u32 pid;
  1136. bfa_fcport_get_loop_attr(port);
  1137. num_alpa = port->port_topo.ploop.num_alpa;
  1138. alpabm_valid = port->port_topo.ploop.alpabm_valid;
  1139. alpa_map = port->port_topo.ploop.alpa_pos_map;
  1140. bfa_trc(port->fcs->bfa, port->pid);
  1141. bfa_trc(port->fcs->bfa, num_alpa);
  1142. if (alpabm_valid == 1) {
  1143. for (i = 0; i < num_alpa; i++) {
  1144. bfa_trc(port->fcs->bfa, alpa_map[i]);
  1145. if (alpa_map[i] != bfa_hton3b(port->pid)) {
  1146. pid = alpa_map[i];
  1147. bfa_trc(port->fcs->bfa, pid);
  1148. rport = bfa_fcs_lport_get_rport_by_pid(port,
  1149. bfa_hton3b(pid));
  1150. if (!rport)
  1151. rport = bfa_fcs_rport_create(port,
  1152. bfa_hton3b(pid));
  1153. }
  1154. }
  1155. } else {
  1156. for (i = 0; i < MAX_ALPA_COUNT; i++) {
  1157. if (alpa_map[i] != port->pid) {
  1158. pid = loop_alpa_map[i];
  1159. bfa_trc(port->fcs->bfa, pid);
  1160. rport = bfa_fcs_lport_get_rport_by_pid(port,
  1161. bfa_hton3b(pid));
  1162. if (!rport)
  1163. rport = bfa_fcs_rport_create(port,
  1164. bfa_hton3b(pid));
  1165. }
  1166. }
  1167. }
  1168. }
  1169. /*
  1170. * Called by fcs/port to notify transition to offline state.
  1171. */
  1172. static void
  1173. bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port)
  1174. {
  1175. }
  1176. #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
  1177. /*
  1178. * forward declarations
  1179. */
  1180. static void bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
  1181. struct bfa_fcxp_s *fcxp_alloced);
  1182. static void bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
  1183. struct bfa_fcxp_s *fcxp_alloced);
  1184. static void bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
  1185. struct bfa_fcxp_s *fcxp_alloced);
  1186. static void bfa_fcs_lport_fdmi_rhba_response(void *fcsarg,
  1187. struct bfa_fcxp_s *fcxp,
  1188. void *cbarg,
  1189. bfa_status_t req_status,
  1190. u32 rsp_len,
  1191. u32 resid_len,
  1192. struct fchs_s *rsp_fchs);
  1193. static void bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
  1194. struct bfa_fcxp_s *fcxp,
  1195. void *cbarg,
  1196. bfa_status_t req_status,
  1197. u32 rsp_len,
  1198. u32 resid_len,
  1199. struct fchs_s *rsp_fchs);
  1200. static void bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
  1201. struct bfa_fcxp_s *fcxp,
  1202. void *cbarg,
  1203. bfa_status_t req_status,
  1204. u32 rsp_len,
  1205. u32 resid_len,
  1206. struct fchs_s *rsp_fchs);
  1207. static void bfa_fcs_lport_fdmi_timeout(void *arg);
  1208. static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
  1209. u8 *pyld);
  1210. static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
  1211. u8 *pyld);
  1212. static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
  1213. u8 *pyld);
  1214. static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
  1215. fdmi, u8 *pyld);
  1216. static void bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
  1217. struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
  1218. static void bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
  1219. struct bfa_fcs_fdmi_port_attr_s *port_attr);
  1220. u32 bfa_fcs_fdmi_convert_speed(enum bfa_port_speed pport_speed);
  1221. /*
  1222. * fcs_fdmi_sm FCS FDMI state machine
  1223. */
  1224. /*
  1225. * FDMI State Machine events
  1226. */
  1227. enum port_fdmi_event {
  1228. FDMISM_EVENT_PORT_ONLINE = 1,
  1229. FDMISM_EVENT_PORT_OFFLINE = 2,
  1230. FDMISM_EVENT_RSP_OK = 4,
  1231. FDMISM_EVENT_RSP_ERROR = 5,
  1232. FDMISM_EVENT_TIMEOUT = 6,
  1233. FDMISM_EVENT_RHBA_SENT = 7,
  1234. FDMISM_EVENT_RPRT_SENT = 8,
  1235. FDMISM_EVENT_RPA_SENT = 9,
  1236. };
  1237. static void bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
  1238. enum port_fdmi_event event);
  1239. static void bfa_fcs_lport_fdmi_sm_sending_rhba(
  1240. struct bfa_fcs_lport_fdmi_s *fdmi,
  1241. enum port_fdmi_event event);
  1242. static void bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
  1243. enum port_fdmi_event event);
  1244. static void bfa_fcs_lport_fdmi_sm_rhba_retry(
  1245. struct bfa_fcs_lport_fdmi_s *fdmi,
  1246. enum port_fdmi_event event);
  1247. static void bfa_fcs_lport_fdmi_sm_sending_rprt(
  1248. struct bfa_fcs_lport_fdmi_s *fdmi,
  1249. enum port_fdmi_event event);
  1250. static void bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
  1251. enum port_fdmi_event event);
  1252. static void bfa_fcs_lport_fdmi_sm_rprt_retry(
  1253. struct bfa_fcs_lport_fdmi_s *fdmi,
  1254. enum port_fdmi_event event);
  1255. static void bfa_fcs_lport_fdmi_sm_sending_rpa(
  1256. struct bfa_fcs_lport_fdmi_s *fdmi,
  1257. enum port_fdmi_event event);
  1258. static void bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
  1259. enum port_fdmi_event event);
  1260. static void bfa_fcs_lport_fdmi_sm_rpa_retry(
  1261. struct bfa_fcs_lport_fdmi_s *fdmi,
  1262. enum port_fdmi_event event);
  1263. static void bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
  1264. enum port_fdmi_event event);
  1265. static void bfa_fcs_lport_fdmi_sm_disabled(
  1266. struct bfa_fcs_lport_fdmi_s *fdmi,
  1267. enum port_fdmi_event event);
  1268. /*
  1269. * Start in offline state - awaiting MS to send start.
  1270. */
  1271. static void
  1272. bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
  1273. enum port_fdmi_event event)
  1274. {
  1275. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1276. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1277. bfa_trc(port->fcs, event);
  1278. fdmi->retry_cnt = 0;
  1279. switch (event) {
  1280. case FDMISM_EVENT_PORT_ONLINE:
  1281. if (port->vport) {
  1282. /*
  1283. * For Vports, register a new port.
  1284. */
  1285. bfa_sm_set_state(fdmi,
  1286. bfa_fcs_lport_fdmi_sm_sending_rprt);
  1287. bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
  1288. } else {
  1289. /*
  1290. * For a base port, we should first register the HBA
  1291. * attribute. The HBA attribute also contains the base
  1292. * port registration.
  1293. */
  1294. bfa_sm_set_state(fdmi,
  1295. bfa_fcs_lport_fdmi_sm_sending_rhba);
  1296. bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
  1297. }
  1298. break;
  1299. case FDMISM_EVENT_PORT_OFFLINE:
  1300. break;
  1301. default:
  1302. bfa_sm_fault(port->fcs, event);
  1303. }
  1304. }
  1305. static void
  1306. bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
  1307. enum port_fdmi_event event)
  1308. {
  1309. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1310. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1311. bfa_trc(port->fcs, event);
  1312. switch (event) {
  1313. case FDMISM_EVENT_RHBA_SENT:
  1314. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
  1315. break;
  1316. case FDMISM_EVENT_PORT_OFFLINE:
  1317. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1318. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
  1319. &fdmi->fcxp_wqe);
  1320. break;
  1321. default:
  1322. bfa_sm_fault(port->fcs, event);
  1323. }
  1324. }
  1325. static void
  1326. bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
  1327. enum port_fdmi_event event)
  1328. {
  1329. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1330. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1331. bfa_trc(port->fcs, event);
  1332. switch (event) {
  1333. case FDMISM_EVENT_RSP_ERROR:
  1334. /*
  1335. * if max retries have not been reached, start timer for a
  1336. * delayed retry
  1337. */
  1338. if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
  1339. bfa_sm_set_state(fdmi,
  1340. bfa_fcs_lport_fdmi_sm_rhba_retry);
  1341. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
  1342. &fdmi->timer,
  1343. bfa_fcs_lport_fdmi_timeout, fdmi,
  1344. BFA_FCS_RETRY_TIMEOUT);
  1345. } else {
  1346. /*
  1347. * set state to offline
  1348. */
  1349. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1350. }
  1351. break;
  1352. case FDMISM_EVENT_RSP_OK:
  1353. /*
  1354. * Initiate Register Port Attributes
  1355. */
  1356. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
  1357. fdmi->retry_cnt = 0;
  1358. bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
  1359. break;
  1360. case FDMISM_EVENT_PORT_OFFLINE:
  1361. bfa_fcxp_discard(fdmi->fcxp);
  1362. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1363. break;
  1364. default:
  1365. bfa_sm_fault(port->fcs, event);
  1366. }
  1367. }
  1368. static void
  1369. bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
  1370. enum port_fdmi_event event)
  1371. {
  1372. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1373. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1374. bfa_trc(port->fcs, event);
  1375. switch (event) {
  1376. case FDMISM_EVENT_TIMEOUT:
  1377. /*
  1378. * Retry Timer Expired. Re-send
  1379. */
  1380. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
  1381. bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
  1382. break;
  1383. case FDMISM_EVENT_PORT_OFFLINE:
  1384. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1385. bfa_timer_stop(&fdmi->timer);
  1386. break;
  1387. default:
  1388. bfa_sm_fault(port->fcs, event);
  1389. }
  1390. }
  1391. /*
  1392. * RPRT : Register Port
  1393. */
  1394. static void
  1395. bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
  1396. enum port_fdmi_event event)
  1397. {
  1398. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1399. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1400. bfa_trc(port->fcs, event);
  1401. switch (event) {
  1402. case FDMISM_EVENT_RPRT_SENT:
  1403. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
  1404. break;
  1405. case FDMISM_EVENT_PORT_OFFLINE:
  1406. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1407. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
  1408. &fdmi->fcxp_wqe);
  1409. break;
  1410. default:
  1411. bfa_sm_fault(port->fcs, event);
  1412. }
  1413. }
  1414. static void
  1415. bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
  1416. enum port_fdmi_event event)
  1417. {
  1418. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1419. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1420. bfa_trc(port->fcs, event);
  1421. switch (event) {
  1422. case FDMISM_EVENT_RSP_ERROR:
  1423. /*
  1424. * if max retries have not been reached, start timer for a
  1425. * delayed retry
  1426. */
  1427. if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
  1428. bfa_sm_set_state(fdmi,
  1429. bfa_fcs_lport_fdmi_sm_rprt_retry);
  1430. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
  1431. &fdmi->timer,
  1432. bfa_fcs_lport_fdmi_timeout, fdmi,
  1433. BFA_FCS_RETRY_TIMEOUT);
  1434. } else {
  1435. /*
  1436. * set state to offline
  1437. */
  1438. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1439. fdmi->retry_cnt = 0;
  1440. }
  1441. break;
  1442. case FDMISM_EVENT_RSP_OK:
  1443. fdmi->retry_cnt = 0;
  1444. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
  1445. break;
  1446. case FDMISM_EVENT_PORT_OFFLINE:
  1447. bfa_fcxp_discard(fdmi->fcxp);
  1448. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1449. break;
  1450. default:
  1451. bfa_sm_fault(port->fcs, event);
  1452. }
  1453. }
  1454. static void
  1455. bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
  1456. enum port_fdmi_event event)
  1457. {
  1458. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1459. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1460. bfa_trc(port->fcs, event);
  1461. switch (event) {
  1462. case FDMISM_EVENT_TIMEOUT:
  1463. /*
  1464. * Retry Timer Expired. Re-send
  1465. */
  1466. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
  1467. bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
  1468. break;
  1469. case FDMISM_EVENT_PORT_OFFLINE:
  1470. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1471. bfa_timer_stop(&fdmi->timer);
  1472. break;
  1473. default:
  1474. bfa_sm_fault(port->fcs, event);
  1475. }
  1476. }
  1477. /*
  1478. * Register Port Attributes
  1479. */
  1480. static void
  1481. bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
  1482. enum port_fdmi_event event)
  1483. {
  1484. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1485. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1486. bfa_trc(port->fcs, event);
  1487. switch (event) {
  1488. case FDMISM_EVENT_RPA_SENT:
  1489. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
  1490. break;
  1491. case FDMISM_EVENT_PORT_OFFLINE:
  1492. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1493. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
  1494. &fdmi->fcxp_wqe);
  1495. break;
  1496. default:
  1497. bfa_sm_fault(port->fcs, event);
  1498. }
  1499. }
  1500. static void
  1501. bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
  1502. enum port_fdmi_event event)
  1503. {
  1504. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1505. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1506. bfa_trc(port->fcs, event);
  1507. switch (event) {
  1508. case FDMISM_EVENT_RSP_ERROR:
  1509. /*
  1510. * if max retries have not been reached, start timer for a
  1511. * delayed retry
  1512. */
  1513. if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
  1514. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry);
  1515. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
  1516. &fdmi->timer,
  1517. bfa_fcs_lport_fdmi_timeout, fdmi,
  1518. BFA_FCS_RETRY_TIMEOUT);
  1519. } else {
  1520. /*
  1521. * set state to offline
  1522. */
  1523. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1524. fdmi->retry_cnt = 0;
  1525. }
  1526. break;
  1527. case FDMISM_EVENT_RSP_OK:
  1528. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
  1529. fdmi->retry_cnt = 0;
  1530. break;
  1531. case FDMISM_EVENT_PORT_OFFLINE:
  1532. bfa_fcxp_discard(fdmi->fcxp);
  1533. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1534. break;
  1535. default:
  1536. bfa_sm_fault(port->fcs, event);
  1537. }
  1538. }
  1539. static void
  1540. bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
  1541. enum port_fdmi_event event)
  1542. {
  1543. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1544. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1545. bfa_trc(port->fcs, event);
  1546. switch (event) {
  1547. case FDMISM_EVENT_TIMEOUT:
  1548. /*
  1549. * Retry Timer Expired. Re-send
  1550. */
  1551. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
  1552. bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
  1553. break;
  1554. case FDMISM_EVENT_PORT_OFFLINE:
  1555. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1556. bfa_timer_stop(&fdmi->timer);
  1557. break;
  1558. default:
  1559. bfa_sm_fault(port->fcs, event);
  1560. }
  1561. }
  1562. static void
  1563. bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
  1564. enum port_fdmi_event event)
  1565. {
  1566. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1567. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1568. bfa_trc(port->fcs, event);
  1569. switch (event) {
  1570. case FDMISM_EVENT_PORT_OFFLINE:
  1571. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  1572. break;
  1573. default:
  1574. bfa_sm_fault(port->fcs, event);
  1575. }
  1576. }
  1577. /*
  1578. * FDMI is disabled state.
  1579. */
  1580. static void
  1581. bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
  1582. enum port_fdmi_event event)
  1583. {
  1584. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1585. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1586. bfa_trc(port->fcs, event);
  1587. /* No op State. It can only be enabled at Driver Init. */
  1588. }
  1589. /*
  1590. * RHBA : Register HBA Attributes.
  1591. */
  1592. static void
  1593. bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  1594. {
  1595. struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
  1596. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1597. struct fchs_s fchs;
  1598. int len, attr_len;
  1599. struct bfa_fcxp_s *fcxp;
  1600. u8 *pyld;
  1601. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1602. fcxp = fcxp_alloced ? fcxp_alloced :
  1603. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  1604. if (!fcxp) {
  1605. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
  1606. bfa_fcs_lport_fdmi_send_rhba, fdmi, BFA_TRUE);
  1607. return;
  1608. }
  1609. fdmi->fcxp = fcxp;
  1610. pyld = bfa_fcxp_get_reqbuf(fcxp);
  1611. memset(pyld, 0, FC_MAX_PDUSZ);
  1612. len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
  1613. FDMI_RHBA);
  1614. attr_len =
  1615. bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
  1616. (u8 *) ((struct ct_hdr_s *) pyld
  1617. + 1));
  1618. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  1619. FC_CLASS_3, (len + attr_len), &fchs,
  1620. bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi,
  1621. FC_MAX_PDUSZ, FC_FCCT_TOV);
  1622. bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
  1623. }
  1624. static u16
  1625. bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
  1626. {
  1627. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1628. struct bfa_fcs_fdmi_hba_attr_s hba_attr;
  1629. struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
  1630. struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
  1631. struct fdmi_attr_s *attr;
  1632. u8 *curr_ptr;
  1633. u16 len, count;
  1634. u16 templen;
  1635. /*
  1636. * get hba attributes
  1637. */
  1638. bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
  1639. rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
  1640. rhba->port_list.num_ports = cpu_to_be32(1);
  1641. rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port);
  1642. len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
  1643. count = 0;
  1644. len += sizeof(rhba->hba_attr_blk.attr_count);
  1645. /*
  1646. * fill out the invididual entries of the HBA attrib Block
  1647. */
  1648. curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
  1649. /*
  1650. * Node Name
  1651. */
  1652. attr = (struct fdmi_attr_s *) curr_ptr;
  1653. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODENAME);
  1654. templen = sizeof(wwn_t);
  1655. memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), templen);
  1656. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1657. len += templen;
  1658. count++;
  1659. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1660. sizeof(templen));
  1661. /*
  1662. * Manufacturer
  1663. */
  1664. attr = (struct fdmi_attr_s *) curr_ptr;
  1665. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MANUFACTURER);
  1666. templen = (u16) strlen(fcs_hba_attr->manufacturer);
  1667. memcpy(attr->value, fcs_hba_attr->manufacturer, templen);
  1668. templen = fc_roundup(templen, sizeof(u32));
  1669. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1670. len += templen;
  1671. count++;
  1672. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1673. sizeof(templen));
  1674. /*
  1675. * Serial Number
  1676. */
  1677. attr = (struct fdmi_attr_s *) curr_ptr;
  1678. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_SERIALNUM);
  1679. templen = (u16) strlen(fcs_hba_attr->serial_num);
  1680. memcpy(attr->value, fcs_hba_attr->serial_num, templen);
  1681. templen = fc_roundup(templen, sizeof(u32));
  1682. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1683. len += templen;
  1684. count++;
  1685. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1686. sizeof(templen));
  1687. /*
  1688. * Model
  1689. */
  1690. attr = (struct fdmi_attr_s *) curr_ptr;
  1691. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL);
  1692. templen = (u16) strlen(fcs_hba_attr->model);
  1693. memcpy(attr->value, fcs_hba_attr->model, templen);
  1694. templen = fc_roundup(templen, sizeof(u32));
  1695. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1696. len += templen;
  1697. count++;
  1698. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1699. sizeof(templen));
  1700. /*
  1701. * Model Desc
  1702. */
  1703. attr = (struct fdmi_attr_s *) curr_ptr;
  1704. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL_DESC);
  1705. templen = (u16) strlen(fcs_hba_attr->model_desc);
  1706. memcpy(attr->value, fcs_hba_attr->model_desc, templen);
  1707. templen = fc_roundup(templen, sizeof(u32));
  1708. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1709. len += templen;
  1710. count++;
  1711. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1712. sizeof(templen));
  1713. /*
  1714. * H/W Version
  1715. */
  1716. if (fcs_hba_attr->hw_version[0] != '\0') {
  1717. attr = (struct fdmi_attr_s *) curr_ptr;
  1718. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_HW_VERSION);
  1719. templen = (u16) strlen(fcs_hba_attr->hw_version);
  1720. memcpy(attr->value, fcs_hba_attr->hw_version, templen);
  1721. templen = fc_roundup(templen, sizeof(u32));
  1722. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1723. len += templen;
  1724. count++;
  1725. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1726. sizeof(templen));
  1727. }
  1728. /*
  1729. * Driver Version
  1730. */
  1731. attr = (struct fdmi_attr_s *) curr_ptr;
  1732. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_DRIVER_VERSION);
  1733. templen = (u16) strlen(fcs_hba_attr->driver_version);
  1734. memcpy(attr->value, fcs_hba_attr->driver_version, templen);
  1735. templen = fc_roundup(templen, sizeof(u32));
  1736. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1737. len += templen;
  1738. count++;
  1739. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1740. sizeof(templen));
  1741. /*
  1742. * Option Rom Version
  1743. */
  1744. if (fcs_hba_attr->option_rom_ver[0] != '\0') {
  1745. attr = (struct fdmi_attr_s *) curr_ptr;
  1746. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_ROM_VERSION);
  1747. templen = (u16) strlen(fcs_hba_attr->option_rom_ver);
  1748. memcpy(attr->value, fcs_hba_attr->option_rom_ver, templen);
  1749. templen = fc_roundup(templen, sizeof(u32));
  1750. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1751. len += templen;
  1752. count++;
  1753. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1754. sizeof(templen));
  1755. }
  1756. attr = (struct fdmi_attr_s *) curr_ptr;
  1757. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
  1758. templen = (u16) strlen(fcs_hba_attr->fw_version);
  1759. memcpy(attr->value, fcs_hba_attr->fw_version, templen);
  1760. templen = fc_roundup(templen, sizeof(u32));
  1761. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1762. len += templen;
  1763. count++;
  1764. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1765. sizeof(templen));
  1766. /*
  1767. * OS Name
  1768. */
  1769. if (fcs_hba_attr->os_name[0] != '\0') {
  1770. attr = (struct fdmi_attr_s *) curr_ptr;
  1771. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_OS_NAME);
  1772. templen = (u16) strlen(fcs_hba_attr->os_name);
  1773. memcpy(attr->value, fcs_hba_attr->os_name, templen);
  1774. templen = fc_roundup(templen, sizeof(u32));
  1775. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1776. len += templen;
  1777. count++;
  1778. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1779. sizeof(templen));
  1780. }
  1781. /*
  1782. * MAX_CT_PAYLOAD
  1783. */
  1784. attr = (struct fdmi_attr_s *) curr_ptr;
  1785. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MAX_CT);
  1786. templen = sizeof(fcs_hba_attr->max_ct_pyld);
  1787. memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, templen);
  1788. templen = fc_roundup(templen, sizeof(u32));
  1789. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1790. len += templen;
  1791. count++;
  1792. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1793. sizeof(templen));
  1794. /*
  1795. * Send extended attributes ( FOS 7.1 support )
  1796. */
  1797. if (fdmi->retry_cnt == 0) {
  1798. attr = (struct fdmi_attr_s *) curr_ptr;
  1799. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODE_SYM_NAME);
  1800. templen = sizeof(fcs_hba_attr->node_sym_name);
  1801. memcpy(attr->value, &fcs_hba_attr->node_sym_name, templen);
  1802. templen = fc_roundup(templen, sizeof(u32));
  1803. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1804. len += templen;
  1805. count++;
  1806. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1807. sizeof(templen));
  1808. attr = (struct fdmi_attr_s *) curr_ptr;
  1809. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_VENDOR_ID);
  1810. templen = sizeof(fcs_hba_attr->vendor_info);
  1811. memcpy(attr->value, &fcs_hba_attr->vendor_info, templen);
  1812. templen = fc_roundup(templen, sizeof(u32));
  1813. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1814. len += templen;
  1815. count++;
  1816. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1817. sizeof(templen));
  1818. attr = (struct fdmi_attr_s *) curr_ptr;
  1819. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NUM_PORTS);
  1820. templen = sizeof(fcs_hba_attr->num_ports);
  1821. memcpy(attr->value, &fcs_hba_attr->num_ports, templen);
  1822. templen = fc_roundup(templen, sizeof(u32));
  1823. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1824. len += templen;
  1825. count++;
  1826. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1827. sizeof(templen));
  1828. attr = (struct fdmi_attr_s *) curr_ptr;
  1829. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FABRIC_NAME);
  1830. templen = sizeof(fcs_hba_attr->fabric_name);
  1831. memcpy(attr->value, &fcs_hba_attr->fabric_name, templen);
  1832. templen = fc_roundup(templen, sizeof(u32));
  1833. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1834. len += templen;
  1835. count++;
  1836. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1837. sizeof(templen));
  1838. attr = (struct fdmi_attr_s *) curr_ptr;
  1839. attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_BIOS_VER);
  1840. templen = sizeof(fcs_hba_attr->bios_ver);
  1841. memcpy(attr->value, &fcs_hba_attr->bios_ver, templen);
  1842. templen = fc_roundup(attr->len, sizeof(u32));
  1843. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1844. len += templen;
  1845. count++;
  1846. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1847. sizeof(templen));
  1848. }
  1849. /*
  1850. * Update size of payload
  1851. */
  1852. len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
  1853. rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
  1854. return len;
  1855. }
  1856. static void
  1857. bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  1858. void *cbarg, bfa_status_t req_status,
  1859. u32 rsp_len, u32 resid_len,
  1860. struct fchs_s *rsp_fchs)
  1861. {
  1862. struct bfa_fcs_lport_fdmi_s *fdmi =
  1863. (struct bfa_fcs_lport_fdmi_s *) cbarg;
  1864. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1865. struct ct_hdr_s *cthdr = NULL;
  1866. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1867. /*
  1868. * Sanity Checks
  1869. */
  1870. if (req_status != BFA_STATUS_OK) {
  1871. bfa_trc(port->fcs, req_status);
  1872. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
  1873. return;
  1874. }
  1875. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  1876. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  1877. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  1878. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
  1879. return;
  1880. }
  1881. bfa_trc(port->fcs, cthdr->reason_code);
  1882. bfa_trc(port->fcs, cthdr->exp_code);
  1883. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
  1884. }
  1885. /*
  1886. * RPRT : Register Port
  1887. */
  1888. static void
  1889. bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  1890. {
  1891. struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
  1892. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  1893. struct fchs_s fchs;
  1894. u16 len, attr_len;
  1895. struct bfa_fcxp_s *fcxp;
  1896. u8 *pyld;
  1897. bfa_trc(port->fcs, port->port_cfg.pwwn);
  1898. fcxp = fcxp_alloced ? fcxp_alloced :
  1899. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  1900. if (!fcxp) {
  1901. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
  1902. bfa_fcs_lport_fdmi_send_rprt, fdmi, BFA_TRUE);
  1903. return;
  1904. }
  1905. fdmi->fcxp = fcxp;
  1906. pyld = bfa_fcxp_get_reqbuf(fcxp);
  1907. memset(pyld, 0, FC_MAX_PDUSZ);
  1908. len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
  1909. FDMI_RPRT);
  1910. attr_len =
  1911. bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
  1912. (u8 *) ((struct ct_hdr_s *) pyld
  1913. + 1));
  1914. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  1915. FC_CLASS_3, len + attr_len, &fchs,
  1916. bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
  1917. FC_MAX_PDUSZ, FC_FCCT_TOV);
  1918. bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
  1919. }
  1920. /*
  1921. * This routine builds Port Attribute Block that used in RPA, RPRT commands.
  1922. */
  1923. static u16
  1924. bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
  1925. u8 *pyld)
  1926. {
  1927. struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
  1928. struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
  1929. struct fdmi_attr_s *attr;
  1930. u8 *curr_ptr;
  1931. u16 len;
  1932. u8 count = 0;
  1933. u16 templen;
  1934. /*
  1935. * get port attributes
  1936. */
  1937. bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
  1938. len = sizeof(port_attrib->attr_count);
  1939. /*
  1940. * fill out the invididual entries
  1941. */
  1942. curr_ptr = (u8 *) &port_attrib->port_attr;
  1943. /*
  1944. * FC4 Types
  1945. */
  1946. attr = (struct fdmi_attr_s *) curr_ptr;
  1947. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
  1948. templen = sizeof(fcs_port_attr.supp_fc4_types);
  1949. memcpy(attr->value, fcs_port_attr.supp_fc4_types, templen);
  1950. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1951. len += templen;
  1952. ++count;
  1953. attr->len =
  1954. cpu_to_be16(templen + sizeof(attr->type) +
  1955. sizeof(templen));
  1956. /*
  1957. * Supported Speed
  1958. */
  1959. attr = (struct fdmi_attr_s *) curr_ptr;
  1960. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
  1961. templen = sizeof(fcs_port_attr.supp_speed);
  1962. memcpy(attr->value, &fcs_port_attr.supp_speed, templen);
  1963. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1964. len += templen;
  1965. ++count;
  1966. attr->len =
  1967. cpu_to_be16(templen + sizeof(attr->type) +
  1968. sizeof(templen));
  1969. /*
  1970. * current Port Speed
  1971. */
  1972. attr = (struct fdmi_attr_s *) curr_ptr;
  1973. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
  1974. templen = sizeof(fcs_port_attr.curr_speed);
  1975. memcpy(attr->value, &fcs_port_attr.curr_speed, templen);
  1976. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1977. len += templen;
  1978. ++count;
  1979. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1980. sizeof(templen));
  1981. /*
  1982. * max frame size
  1983. */
  1984. attr = (struct fdmi_attr_s *) curr_ptr;
  1985. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
  1986. templen = sizeof(fcs_port_attr.max_frm_size);
  1987. memcpy(attr->value, &fcs_port_attr.max_frm_size, templen);
  1988. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  1989. len += templen;
  1990. ++count;
  1991. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  1992. sizeof(templen));
  1993. /*
  1994. * OS Device Name
  1995. */
  1996. if (fcs_port_attr.os_device_name[0] != '\0') {
  1997. attr = (struct fdmi_attr_s *) curr_ptr;
  1998. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
  1999. templen = (u16) strlen(fcs_port_attr.os_device_name);
  2000. memcpy(attr->value, fcs_port_attr.os_device_name, templen);
  2001. templen = fc_roundup(templen, sizeof(u32));
  2002. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2003. len += templen;
  2004. ++count;
  2005. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2006. sizeof(templen));
  2007. }
  2008. /*
  2009. * Host Name
  2010. */
  2011. if (fcs_port_attr.host_name[0] != '\0') {
  2012. attr = (struct fdmi_attr_s *) curr_ptr;
  2013. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
  2014. templen = (u16) strlen(fcs_port_attr.host_name);
  2015. memcpy(attr->value, fcs_port_attr.host_name, templen);
  2016. templen = fc_roundup(templen, sizeof(u32));
  2017. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2018. len += templen;
  2019. ++count;
  2020. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2021. sizeof(templen));
  2022. }
  2023. if (fdmi->retry_cnt == 0) {
  2024. attr = (struct fdmi_attr_s *) curr_ptr;
  2025. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_NODE_NAME);
  2026. templen = sizeof(fcs_port_attr.node_name);
  2027. memcpy(attr->value, &fcs_port_attr.node_name, templen);
  2028. templen = fc_roundup(templen, sizeof(u32));
  2029. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2030. len += templen;
  2031. ++count;
  2032. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2033. sizeof(templen));
  2034. attr = (struct fdmi_attr_s *) curr_ptr;
  2035. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NAME);
  2036. templen = sizeof(fcs_port_attr.port_name);
  2037. memcpy(attr->value, &fcs_port_attr.port_name, templen);
  2038. templen = fc_roundup(templen, sizeof(u32));
  2039. curr_ptr += sizeof(attr->type) + sizeof(attr->len) + templen;
  2040. len += templen;
  2041. ++count;
  2042. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2043. sizeof(templen));
  2044. if (fcs_port_attr.port_sym_name.symname[0] != '\0') {
  2045. attr = (struct fdmi_attr_s *) curr_ptr;
  2046. attr->type =
  2047. cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SYM_NAME);
  2048. templen = sizeof(fcs_port_attr.port_sym_name);
  2049. memcpy(attr->value,
  2050. &fcs_port_attr.port_sym_name, templen);
  2051. templen = fc_roundup(templen, sizeof(u32));
  2052. curr_ptr += sizeof(attr->type) +
  2053. sizeof(templen) + templen;
  2054. len += templen;
  2055. ++count;
  2056. attr->len = cpu_to_be16(templen +
  2057. sizeof(attr->type) + sizeof(templen));
  2058. }
  2059. attr = (struct fdmi_attr_s *) curr_ptr;
  2060. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_TYPE);
  2061. templen = sizeof(fcs_port_attr.port_type);
  2062. memcpy(attr->value, &fcs_port_attr.port_type, templen);
  2063. templen = fc_roundup(templen, sizeof(u32));
  2064. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2065. len += templen;
  2066. ++count;
  2067. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2068. sizeof(templen));
  2069. attr = (struct fdmi_attr_s *) curr_ptr;
  2070. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_COS);
  2071. templen = sizeof(fcs_port_attr.scos);
  2072. memcpy(attr->value, &fcs_port_attr.scos, templen);
  2073. templen = fc_roundup(templen, sizeof(u32));
  2074. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2075. len += templen;
  2076. ++count;
  2077. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2078. sizeof(templen));
  2079. attr = (struct fdmi_attr_s *) curr_ptr;
  2080. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FAB_NAME);
  2081. templen = sizeof(fcs_port_attr.port_fabric_name);
  2082. memcpy(attr->value, &fcs_port_attr.port_fabric_name, templen);
  2083. templen = fc_roundup(templen, sizeof(u32));
  2084. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2085. len += templen;
  2086. ++count;
  2087. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2088. sizeof(templen));
  2089. attr = (struct fdmi_attr_s *) curr_ptr;
  2090. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FC4_TYPE);
  2091. templen = sizeof(fcs_port_attr.port_act_fc4_type);
  2092. memcpy(attr->value, fcs_port_attr.port_act_fc4_type,
  2093. templen);
  2094. templen = fc_roundup(templen, sizeof(u32));
  2095. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2096. len += templen;
  2097. ++count;
  2098. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2099. sizeof(templen));
  2100. attr = (struct fdmi_attr_s *) curr_ptr;
  2101. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_STATE);
  2102. templen = sizeof(fcs_port_attr.port_state);
  2103. memcpy(attr->value, &fcs_port_attr.port_state, templen);
  2104. templen = fc_roundup(templen, sizeof(u32));
  2105. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2106. len += templen;
  2107. ++count;
  2108. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2109. sizeof(templen));
  2110. attr = (struct fdmi_attr_s *) curr_ptr;
  2111. attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NUM_RPRT);
  2112. templen = sizeof(fcs_port_attr.num_ports);
  2113. memcpy(attr->value, &fcs_port_attr.num_ports, templen);
  2114. templen = fc_roundup(templen, sizeof(u32));
  2115. curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
  2116. len += templen;
  2117. ++count;
  2118. attr->len = cpu_to_be16(templen + sizeof(attr->type) +
  2119. sizeof(templen));
  2120. }
  2121. /*
  2122. * Update size of payload
  2123. */
  2124. port_attrib->attr_count = cpu_to_be32(count);
  2125. len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
  2126. return len;
  2127. }
  2128. static u16
  2129. bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
  2130. {
  2131. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  2132. struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
  2133. u16 len;
  2134. rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
  2135. rprt->port_name = bfa_fcs_lport_get_pwwn(port);
  2136. len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
  2137. (u8 *) &rprt->port_attr_blk);
  2138. len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
  2139. return len;
  2140. }
  2141. static void
  2142. bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  2143. void *cbarg, bfa_status_t req_status,
  2144. u32 rsp_len, u32 resid_len,
  2145. struct fchs_s *rsp_fchs)
  2146. {
  2147. struct bfa_fcs_lport_fdmi_s *fdmi =
  2148. (struct bfa_fcs_lport_fdmi_s *) cbarg;
  2149. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  2150. struct ct_hdr_s *cthdr = NULL;
  2151. bfa_trc(port->fcs, port->port_cfg.pwwn);
  2152. /*
  2153. * Sanity Checks
  2154. */
  2155. if (req_status != BFA_STATUS_OK) {
  2156. bfa_trc(port->fcs, req_status);
  2157. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
  2158. return;
  2159. }
  2160. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  2161. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  2162. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  2163. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
  2164. return;
  2165. }
  2166. bfa_trc(port->fcs, cthdr->reason_code);
  2167. bfa_trc(port->fcs, cthdr->exp_code);
  2168. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
  2169. }
  2170. /*
  2171. * RPA : Register Port Attributes.
  2172. */
  2173. static void
  2174. bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  2175. {
  2176. struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
  2177. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  2178. struct fchs_s fchs;
  2179. u16 len, attr_len;
  2180. struct bfa_fcxp_s *fcxp;
  2181. u8 *pyld;
  2182. bfa_trc(port->fcs, port->port_cfg.pwwn);
  2183. fcxp = fcxp_alloced ? fcxp_alloced :
  2184. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  2185. if (!fcxp) {
  2186. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
  2187. bfa_fcs_lport_fdmi_send_rpa, fdmi, BFA_TRUE);
  2188. return;
  2189. }
  2190. fdmi->fcxp = fcxp;
  2191. pyld = bfa_fcxp_get_reqbuf(fcxp);
  2192. memset(pyld, 0, FC_MAX_PDUSZ);
  2193. len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
  2194. FDMI_RPA);
  2195. attr_len = bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
  2196. (u8 *) ((struct ct_hdr_s *) pyld + 1));
  2197. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  2198. FC_CLASS_3, len + attr_len, &fchs,
  2199. bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
  2200. FC_MAX_PDUSZ, FC_FCCT_TOV);
  2201. bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
  2202. }
  2203. static u16
  2204. bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
  2205. {
  2206. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  2207. struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
  2208. u16 len;
  2209. rpa->port_name = bfa_fcs_lport_get_pwwn(port);
  2210. len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
  2211. (u8 *) &rpa->port_attr_blk);
  2212. len += sizeof(rpa->port_name);
  2213. return len;
  2214. }
  2215. static void
  2216. bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  2217. void *cbarg, bfa_status_t req_status, u32 rsp_len,
  2218. u32 resid_len, struct fchs_s *rsp_fchs)
  2219. {
  2220. struct bfa_fcs_lport_fdmi_s *fdmi =
  2221. (struct bfa_fcs_lport_fdmi_s *) cbarg;
  2222. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  2223. struct ct_hdr_s *cthdr = NULL;
  2224. bfa_trc(port->fcs, port->port_cfg.pwwn);
  2225. /*
  2226. * Sanity Checks
  2227. */
  2228. if (req_status != BFA_STATUS_OK) {
  2229. bfa_trc(port->fcs, req_status);
  2230. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
  2231. return;
  2232. }
  2233. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  2234. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  2235. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  2236. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
  2237. return;
  2238. }
  2239. bfa_trc(port->fcs, cthdr->reason_code);
  2240. bfa_trc(port->fcs, cthdr->exp_code);
  2241. bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
  2242. }
  2243. static void
  2244. bfa_fcs_lport_fdmi_timeout(void *arg)
  2245. {
  2246. struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
  2247. bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
  2248. }
  2249. static void
  2250. bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
  2251. struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
  2252. {
  2253. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  2254. struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
  2255. struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
  2256. memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
  2257. bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
  2258. hba_attr->manufacturer);
  2259. bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
  2260. hba_attr->serial_num);
  2261. bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
  2262. hba_attr->model);
  2263. bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
  2264. hba_attr->model_desc);
  2265. bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
  2266. hba_attr->hw_version);
  2267. bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
  2268. hba_attr->option_rom_ver);
  2269. bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
  2270. hba_attr->fw_version);
  2271. strncpy(hba_attr->driver_version, (char *)driver_info->version,
  2272. sizeof(hba_attr->driver_version));
  2273. strncpy(hba_attr->os_name, driver_info->host_os_name,
  2274. sizeof(hba_attr->os_name));
  2275. /*
  2276. * If there is a patch level, append it
  2277. * to the os name along with a separator
  2278. */
  2279. if (driver_info->host_os_patch[0] != '\0') {
  2280. strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
  2281. sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
  2282. strncat(hba_attr->os_name, driver_info->host_os_patch,
  2283. sizeof(driver_info->host_os_patch));
  2284. }
  2285. /* Retrieve the max frame size from the port attr */
  2286. bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
  2287. hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
  2288. strncpy(hba_attr->node_sym_name.symname,
  2289. port->port_cfg.node_sym_name.symname, BFA_SYMNAME_MAXLEN);
  2290. strcpy(hba_attr->vendor_info, "BROCADE");
  2291. hba_attr->num_ports =
  2292. cpu_to_be32(bfa_ioc_get_nports(&port->fcs->bfa->ioc));
  2293. hba_attr->fabric_name = port->fabric->lps->pr_nwwn;
  2294. strncpy(hba_attr->bios_ver, hba_attr->option_rom_ver, BFA_VERSION_LEN);
  2295. }
  2296. static void
  2297. bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
  2298. struct bfa_fcs_fdmi_port_attr_s *port_attr)
  2299. {
  2300. struct bfa_fcs_lport_s *port = fdmi->ms->port;
  2301. struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
  2302. struct bfa_port_attr_s pport_attr;
  2303. struct bfa_lport_attr_s lport_attr;
  2304. memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
  2305. /*
  2306. * get pport attributes from hal
  2307. */
  2308. bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
  2309. /*
  2310. * get FC4 type Bitmask
  2311. */
  2312. fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
  2313. /*
  2314. * Supported Speeds
  2315. */
  2316. switch (pport_attr.speed_supported) {
  2317. case BFA_PORT_SPEED_16GBPS:
  2318. port_attr->supp_speed =
  2319. cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_16G);
  2320. break;
  2321. case BFA_PORT_SPEED_10GBPS:
  2322. port_attr->supp_speed =
  2323. cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_10G);
  2324. break;
  2325. case BFA_PORT_SPEED_8GBPS:
  2326. port_attr->supp_speed =
  2327. cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_8G);
  2328. break;
  2329. case BFA_PORT_SPEED_4GBPS:
  2330. port_attr->supp_speed =
  2331. cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_4G);
  2332. break;
  2333. default:
  2334. bfa_sm_fault(port->fcs, pport_attr.speed_supported);
  2335. }
  2336. /*
  2337. * Current Speed
  2338. */
  2339. port_attr->curr_speed = cpu_to_be32(
  2340. bfa_fcs_fdmi_convert_speed(pport_attr.speed));
  2341. /*
  2342. * Max PDU Size.
  2343. */
  2344. port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);
  2345. /*
  2346. * OS device Name
  2347. */
  2348. strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name,
  2349. sizeof(port_attr->os_device_name));
  2350. /*
  2351. * Host name
  2352. */
  2353. strncpy(port_attr->host_name, (char *)driver_info->host_machine_name,
  2354. sizeof(port_attr->host_name));
  2355. port_attr->node_name = bfa_fcs_lport_get_nwwn(port);
  2356. port_attr->port_name = bfa_fcs_lport_get_pwwn(port);
  2357. strncpy(port_attr->port_sym_name.symname,
  2358. (char *)&bfa_fcs_lport_get_psym_name(port), BFA_SYMNAME_MAXLEN);
  2359. bfa_fcs_lport_get_attr(port, &lport_attr);
  2360. port_attr->port_type = cpu_to_be32(lport_attr.port_type);
  2361. port_attr->scos = pport_attr.cos_supported;
  2362. port_attr->port_fabric_name = port->fabric->lps->pr_nwwn;
  2363. fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->port_act_fc4_type);
  2364. port_attr->port_state = cpu_to_be32(pport_attr.port_state);
  2365. port_attr->num_ports = cpu_to_be32(port->num_rports);
  2366. }
  2367. /*
  2368. * Convert BFA speed to FDMI format.
  2369. */
  2370. u32
  2371. bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)
  2372. {
  2373. u32 ret;
  2374. switch (pport_speed) {
  2375. case BFA_PORT_SPEED_1GBPS:
  2376. case BFA_PORT_SPEED_2GBPS:
  2377. ret = pport_speed;
  2378. break;
  2379. case BFA_PORT_SPEED_4GBPS:
  2380. ret = FDMI_TRANS_SPEED_4G;
  2381. break;
  2382. case BFA_PORT_SPEED_8GBPS:
  2383. ret = FDMI_TRANS_SPEED_8G;
  2384. break;
  2385. case BFA_PORT_SPEED_10GBPS:
  2386. ret = FDMI_TRANS_SPEED_10G;
  2387. break;
  2388. case BFA_PORT_SPEED_16GBPS:
  2389. ret = FDMI_TRANS_SPEED_16G;
  2390. break;
  2391. default:
  2392. ret = FDMI_TRANS_SPEED_UNKNOWN;
  2393. }
  2394. return ret;
  2395. }
  2396. void
  2397. bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
  2398. {
  2399. struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
  2400. fdmi->ms = ms;
  2401. if (ms->port->fcs->fdmi_enabled)
  2402. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
  2403. else
  2404. bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
  2405. }
  2406. void
  2407. bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
  2408. {
  2409. struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
  2410. fdmi->ms = ms;
  2411. bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
  2412. }
  2413. void
  2414. bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
  2415. {
  2416. struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
  2417. fdmi->ms = ms;
  2418. bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
  2419. }
  2420. #define BFA_FCS_MS_CMD_MAX_RETRIES 2
  2421. /*
  2422. * forward declarations
  2423. */
  2424. static void bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
  2425. struct bfa_fcxp_s *fcxp_alloced);
  2426. static void bfa_fcs_lport_ms_timeout(void *arg);
  2427. static void bfa_fcs_lport_ms_plogi_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_gmal(void *ms_cbarg,
  2435. struct bfa_fcxp_s *fcxp_alloced);
  2436. static void bfa_fcs_lport_ms_gmal_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. static void bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
  2444. struct bfa_fcxp_s *fcxp_alloced);
  2445. static void bfa_fcs_lport_ms_gfn_response(void *fcsarg,
  2446. struct bfa_fcxp_s *fcxp,
  2447. void *cbarg,
  2448. bfa_status_t req_status,
  2449. u32 rsp_len,
  2450. u32 resid_len,
  2451. struct fchs_s *rsp_fchs);
  2452. /*
  2453. * fcs_ms_sm FCS MS state machine
  2454. */
  2455. /*
  2456. * MS State Machine events
  2457. */
  2458. enum port_ms_event {
  2459. MSSM_EVENT_PORT_ONLINE = 1,
  2460. MSSM_EVENT_PORT_OFFLINE = 2,
  2461. MSSM_EVENT_RSP_OK = 3,
  2462. MSSM_EVENT_RSP_ERROR = 4,
  2463. MSSM_EVENT_TIMEOUT = 5,
  2464. MSSM_EVENT_FCXP_SENT = 6,
  2465. MSSM_EVENT_PORT_FABRIC_RSCN = 7
  2466. };
  2467. static void bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
  2468. enum port_ms_event event);
  2469. static void bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
  2470. enum port_ms_event event);
  2471. static void bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
  2472. enum port_ms_event event);
  2473. static void bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
  2474. enum port_ms_event event);
  2475. static void bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
  2476. enum port_ms_event event);
  2477. static void bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
  2478. enum port_ms_event event);
  2479. static void bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
  2480. enum port_ms_event event);
  2481. static void bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
  2482. enum port_ms_event event);
  2483. static void bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
  2484. enum port_ms_event event);
  2485. static void bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
  2486. enum port_ms_event event);
  2487. static void bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
  2488. enum port_ms_event event);
  2489. /*
  2490. * Start in offline state - awaiting NS to send start.
  2491. */
  2492. static void
  2493. bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
  2494. enum port_ms_event event)
  2495. {
  2496. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2497. bfa_trc(ms->port->fcs, event);
  2498. switch (event) {
  2499. case MSSM_EVENT_PORT_ONLINE:
  2500. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
  2501. bfa_fcs_lport_ms_send_plogi(ms, NULL);
  2502. break;
  2503. case MSSM_EVENT_PORT_OFFLINE:
  2504. break;
  2505. default:
  2506. bfa_sm_fault(ms->port->fcs, event);
  2507. }
  2508. }
  2509. static void
  2510. bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
  2511. enum port_ms_event event)
  2512. {
  2513. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2514. bfa_trc(ms->port->fcs, event);
  2515. switch (event) {
  2516. case MSSM_EVENT_FCXP_SENT:
  2517. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
  2518. break;
  2519. case MSSM_EVENT_PORT_OFFLINE:
  2520. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2521. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
  2522. &ms->fcxp_wqe);
  2523. break;
  2524. default:
  2525. bfa_sm_fault(ms->port->fcs, event);
  2526. }
  2527. }
  2528. static void
  2529. bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
  2530. enum port_ms_event event)
  2531. {
  2532. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2533. bfa_trc(ms->port->fcs, event);
  2534. switch (event) {
  2535. case MSSM_EVENT_RSP_ERROR:
  2536. /*
  2537. * Start timer for a delayed retry
  2538. */
  2539. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
  2540. ms->port->stats.ms_retries++;
  2541. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
  2542. &ms->timer, bfa_fcs_lport_ms_timeout, ms,
  2543. BFA_FCS_RETRY_TIMEOUT);
  2544. break;
  2545. case MSSM_EVENT_RSP_OK:
  2546. /*
  2547. * since plogi is done, now invoke MS related sub-modules
  2548. */
  2549. bfa_fcs_lport_fdmi_online(ms);
  2550. /*
  2551. * if this is a Vport, go to online state.
  2552. */
  2553. if (ms->port->vport) {
  2554. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
  2555. break;
  2556. }
  2557. /*
  2558. * For a base port we need to get the
  2559. * switch's IP address.
  2560. */
  2561. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
  2562. bfa_fcs_lport_ms_send_gmal(ms, NULL);
  2563. break;
  2564. case MSSM_EVENT_PORT_OFFLINE:
  2565. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2566. bfa_fcxp_discard(ms->fcxp);
  2567. break;
  2568. default:
  2569. bfa_sm_fault(ms->port->fcs, event);
  2570. }
  2571. }
  2572. static void
  2573. bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
  2574. enum port_ms_event event)
  2575. {
  2576. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2577. bfa_trc(ms->port->fcs, event);
  2578. switch (event) {
  2579. case MSSM_EVENT_TIMEOUT:
  2580. /*
  2581. * Retry Timer Expired. Re-send
  2582. */
  2583. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
  2584. bfa_fcs_lport_ms_send_plogi(ms, NULL);
  2585. break;
  2586. case MSSM_EVENT_PORT_OFFLINE:
  2587. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2588. bfa_timer_stop(&ms->timer);
  2589. break;
  2590. default:
  2591. bfa_sm_fault(ms->port->fcs, event);
  2592. }
  2593. }
  2594. static void
  2595. bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
  2596. enum port_ms_event event)
  2597. {
  2598. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2599. bfa_trc(ms->port->fcs, event);
  2600. switch (event) {
  2601. case MSSM_EVENT_PORT_OFFLINE:
  2602. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2603. break;
  2604. case MSSM_EVENT_PORT_FABRIC_RSCN:
  2605. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
  2606. ms->retry_cnt = 0;
  2607. bfa_fcs_lport_ms_send_gfn(ms, NULL);
  2608. break;
  2609. default:
  2610. bfa_sm_fault(ms->port->fcs, event);
  2611. }
  2612. }
  2613. static void
  2614. bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
  2615. enum port_ms_event event)
  2616. {
  2617. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2618. bfa_trc(ms->port->fcs, event);
  2619. switch (event) {
  2620. case MSSM_EVENT_FCXP_SENT:
  2621. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
  2622. break;
  2623. case MSSM_EVENT_PORT_OFFLINE:
  2624. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2625. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
  2626. &ms->fcxp_wqe);
  2627. break;
  2628. default:
  2629. bfa_sm_fault(ms->port->fcs, event);
  2630. }
  2631. }
  2632. static void
  2633. bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
  2634. enum port_ms_event event)
  2635. {
  2636. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2637. bfa_trc(ms->port->fcs, event);
  2638. switch (event) {
  2639. case MSSM_EVENT_RSP_ERROR:
  2640. /*
  2641. * Start timer for a delayed retry
  2642. */
  2643. if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
  2644. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
  2645. ms->port->stats.ms_retries++;
  2646. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
  2647. &ms->timer, bfa_fcs_lport_ms_timeout, ms,
  2648. BFA_FCS_RETRY_TIMEOUT);
  2649. } else {
  2650. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
  2651. bfa_fcs_lport_ms_send_gfn(ms, NULL);
  2652. ms->retry_cnt = 0;
  2653. }
  2654. break;
  2655. case MSSM_EVENT_RSP_OK:
  2656. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
  2657. bfa_fcs_lport_ms_send_gfn(ms, NULL);
  2658. break;
  2659. case MSSM_EVENT_PORT_OFFLINE:
  2660. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2661. bfa_fcxp_discard(ms->fcxp);
  2662. break;
  2663. default:
  2664. bfa_sm_fault(ms->port->fcs, event);
  2665. }
  2666. }
  2667. static void
  2668. bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
  2669. enum port_ms_event event)
  2670. {
  2671. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2672. bfa_trc(ms->port->fcs, event);
  2673. switch (event) {
  2674. case MSSM_EVENT_TIMEOUT:
  2675. /*
  2676. * Retry Timer Expired. Re-send
  2677. */
  2678. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
  2679. bfa_fcs_lport_ms_send_gmal(ms, NULL);
  2680. break;
  2681. case MSSM_EVENT_PORT_OFFLINE:
  2682. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2683. bfa_timer_stop(&ms->timer);
  2684. break;
  2685. default:
  2686. bfa_sm_fault(ms->port->fcs, event);
  2687. }
  2688. }
  2689. /*
  2690. * ms_pvt MS local functions
  2691. */
  2692. static void
  2693. bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  2694. {
  2695. struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
  2696. bfa_fcs_lport_t *port = ms->port;
  2697. struct fchs_s fchs;
  2698. int len;
  2699. struct bfa_fcxp_s *fcxp;
  2700. bfa_trc(port->fcs, port->pid);
  2701. fcxp = fcxp_alloced ? fcxp_alloced :
  2702. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  2703. if (!fcxp) {
  2704. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
  2705. bfa_fcs_lport_ms_send_gmal, ms, BFA_TRUE);
  2706. return;
  2707. }
  2708. ms->fcxp = fcxp;
  2709. len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  2710. bfa_fcs_lport_get_fcid(port),
  2711. port->fabric->lps->pr_nwwn);
  2712. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  2713. FC_CLASS_3, len, &fchs,
  2714. bfa_fcs_lport_ms_gmal_response, (void *)ms,
  2715. FC_MAX_PDUSZ, FC_FCCT_TOV);
  2716. bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
  2717. }
  2718. static void
  2719. bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  2720. void *cbarg, bfa_status_t req_status,
  2721. u32 rsp_len, u32 resid_len,
  2722. struct fchs_s *rsp_fchs)
  2723. {
  2724. struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
  2725. bfa_fcs_lport_t *port = ms->port;
  2726. struct ct_hdr_s *cthdr = NULL;
  2727. struct fcgs_gmal_resp_s *gmal_resp;
  2728. struct fcgs_gmal_entry_s *gmal_entry;
  2729. u32 num_entries;
  2730. u8 *rsp_str;
  2731. bfa_trc(port->fcs, req_status);
  2732. bfa_trc(port->fcs, port->port_cfg.pwwn);
  2733. /*
  2734. * Sanity Checks
  2735. */
  2736. if (req_status != BFA_STATUS_OK) {
  2737. bfa_trc(port->fcs, req_status);
  2738. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2739. return;
  2740. }
  2741. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  2742. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  2743. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  2744. gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
  2745. num_entries = be32_to_cpu(gmal_resp->ms_len);
  2746. if (num_entries == 0) {
  2747. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2748. return;
  2749. }
  2750. /*
  2751. * The response could contain multiple Entries.
  2752. * Entries for SNMP interface, etc.
  2753. * We look for the entry with a telnet prefix.
  2754. * First "http://" entry refers to IP addr
  2755. */
  2756. gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
  2757. while (num_entries > 0) {
  2758. if (strncmp(gmal_entry->prefix,
  2759. CT_GMAL_RESP_PREFIX_HTTP,
  2760. sizeof(gmal_entry->prefix)) == 0) {
  2761. /*
  2762. * if the IP address is terminating with a '/',
  2763. * remove it.
  2764. * Byte 0 consists of the length of the string.
  2765. */
  2766. rsp_str = &(gmal_entry->prefix[0]);
  2767. if (rsp_str[gmal_entry->len-1] == '/')
  2768. rsp_str[gmal_entry->len-1] = 0;
  2769. /* copy IP Address to fabric */
  2770. strncpy(bfa_fcs_lport_get_fabric_ipaddr(port),
  2771. gmal_entry->ip_addr,
  2772. BFA_FCS_FABRIC_IPADDR_SZ);
  2773. break;
  2774. } else {
  2775. --num_entries;
  2776. ++gmal_entry;
  2777. }
  2778. }
  2779. bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
  2780. return;
  2781. }
  2782. bfa_trc(port->fcs, cthdr->reason_code);
  2783. bfa_trc(port->fcs, cthdr->exp_code);
  2784. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2785. }
  2786. static void
  2787. bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
  2788. enum port_ms_event event)
  2789. {
  2790. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2791. bfa_trc(ms->port->fcs, event);
  2792. switch (event) {
  2793. case MSSM_EVENT_FCXP_SENT:
  2794. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
  2795. break;
  2796. case MSSM_EVENT_PORT_OFFLINE:
  2797. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2798. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
  2799. &ms->fcxp_wqe);
  2800. break;
  2801. default:
  2802. bfa_sm_fault(ms->port->fcs, event);
  2803. }
  2804. }
  2805. static void
  2806. bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
  2807. enum port_ms_event event)
  2808. {
  2809. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2810. bfa_trc(ms->port->fcs, event);
  2811. switch (event) {
  2812. case MSSM_EVENT_RSP_ERROR:
  2813. /*
  2814. * Start timer for a delayed retry
  2815. */
  2816. if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
  2817. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
  2818. ms->port->stats.ms_retries++;
  2819. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
  2820. &ms->timer, bfa_fcs_lport_ms_timeout, ms,
  2821. BFA_FCS_RETRY_TIMEOUT);
  2822. } else {
  2823. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
  2824. ms->retry_cnt = 0;
  2825. }
  2826. break;
  2827. case MSSM_EVENT_RSP_OK:
  2828. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
  2829. break;
  2830. case MSSM_EVENT_PORT_OFFLINE:
  2831. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2832. bfa_fcxp_discard(ms->fcxp);
  2833. break;
  2834. default:
  2835. bfa_sm_fault(ms->port->fcs, event);
  2836. }
  2837. }
  2838. static void
  2839. bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
  2840. enum port_ms_event event)
  2841. {
  2842. bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
  2843. bfa_trc(ms->port->fcs, event);
  2844. switch (event) {
  2845. case MSSM_EVENT_TIMEOUT:
  2846. /*
  2847. * Retry Timer Expired. Re-send
  2848. */
  2849. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
  2850. bfa_fcs_lport_ms_send_gfn(ms, NULL);
  2851. break;
  2852. case MSSM_EVENT_PORT_OFFLINE:
  2853. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  2854. bfa_timer_stop(&ms->timer);
  2855. break;
  2856. default:
  2857. bfa_sm_fault(ms->port->fcs, event);
  2858. }
  2859. }
  2860. /*
  2861. * ms_pvt MS local functions
  2862. */
  2863. static void
  2864. bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  2865. {
  2866. struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
  2867. bfa_fcs_lport_t *port = ms->port;
  2868. struct fchs_s fchs;
  2869. int len;
  2870. struct bfa_fcxp_s *fcxp;
  2871. bfa_trc(port->fcs, port->pid);
  2872. fcxp = fcxp_alloced ? fcxp_alloced :
  2873. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  2874. if (!fcxp) {
  2875. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
  2876. bfa_fcs_lport_ms_send_gfn, ms, BFA_TRUE);
  2877. return;
  2878. }
  2879. ms->fcxp = fcxp;
  2880. len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  2881. bfa_fcs_lport_get_fcid(port),
  2882. port->fabric->lps->pr_nwwn);
  2883. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  2884. FC_CLASS_3, len, &fchs,
  2885. bfa_fcs_lport_ms_gfn_response, (void *)ms,
  2886. FC_MAX_PDUSZ, FC_FCCT_TOV);
  2887. bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
  2888. }
  2889. static void
  2890. bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  2891. void *cbarg, bfa_status_t req_status, u32 rsp_len,
  2892. u32 resid_len, struct fchs_s *rsp_fchs)
  2893. {
  2894. struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
  2895. bfa_fcs_lport_t *port = ms->port;
  2896. struct ct_hdr_s *cthdr = NULL;
  2897. wwn_t *gfn_resp;
  2898. bfa_trc(port->fcs, req_status);
  2899. bfa_trc(port->fcs, port->port_cfg.pwwn);
  2900. /*
  2901. * Sanity Checks
  2902. */
  2903. if (req_status != BFA_STATUS_OK) {
  2904. bfa_trc(port->fcs, req_status);
  2905. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2906. return;
  2907. }
  2908. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  2909. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  2910. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  2911. gfn_resp = (wwn_t *)(cthdr + 1);
  2912. /* check if it has actually changed */
  2913. if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
  2914. gfn_resp, sizeof(wwn_t)) != 0)) {
  2915. bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
  2916. }
  2917. bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
  2918. return;
  2919. }
  2920. bfa_trc(port->fcs, cthdr->reason_code);
  2921. bfa_trc(port->fcs, cthdr->exp_code);
  2922. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2923. }
  2924. /*
  2925. * ms_pvt MS local functions
  2926. */
  2927. static void
  2928. bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  2929. {
  2930. struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
  2931. struct bfa_fcs_lport_s *port = ms->port;
  2932. struct fchs_s fchs;
  2933. int len;
  2934. struct bfa_fcxp_s *fcxp;
  2935. bfa_trc(port->fcs, port->pid);
  2936. fcxp = fcxp_alloced ? fcxp_alloced :
  2937. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  2938. if (!fcxp) {
  2939. port->stats.ms_plogi_alloc_wait++;
  2940. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
  2941. bfa_fcs_lport_ms_send_plogi, ms, BFA_TRUE);
  2942. return;
  2943. }
  2944. ms->fcxp = fcxp;
  2945. len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  2946. bfa_hton3b(FC_MGMT_SERVER),
  2947. bfa_fcs_lport_get_fcid(port), 0,
  2948. port->port_cfg.pwwn, port->port_cfg.nwwn,
  2949. bfa_fcport_get_maxfrsize(port->fcs->bfa),
  2950. bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
  2951. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  2952. FC_CLASS_3, len, &fchs,
  2953. bfa_fcs_lport_ms_plogi_response, (void *)ms,
  2954. FC_MAX_PDUSZ, FC_ELS_TOV);
  2955. port->stats.ms_plogi_sent++;
  2956. bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
  2957. }
  2958. static void
  2959. bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  2960. void *cbarg, bfa_status_t req_status,
  2961. u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
  2962. {
  2963. struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
  2964. struct bfa_fcs_lport_s *port = ms->port;
  2965. struct fc_els_cmd_s *els_cmd;
  2966. struct fc_ls_rjt_s *ls_rjt;
  2967. bfa_trc(port->fcs, req_status);
  2968. bfa_trc(port->fcs, port->port_cfg.pwwn);
  2969. /*
  2970. * Sanity Checks
  2971. */
  2972. if (req_status != BFA_STATUS_OK) {
  2973. port->stats.ms_plogi_rsp_err++;
  2974. bfa_trc(port->fcs, req_status);
  2975. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2976. return;
  2977. }
  2978. els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
  2979. switch (els_cmd->els_code) {
  2980. case FC_ELS_ACC:
  2981. if (rsp_len < sizeof(struct fc_logi_s)) {
  2982. bfa_trc(port->fcs, rsp_len);
  2983. port->stats.ms_plogi_acc_err++;
  2984. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2985. break;
  2986. }
  2987. port->stats.ms_plogi_accepts++;
  2988. bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
  2989. break;
  2990. case FC_ELS_LS_RJT:
  2991. ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
  2992. bfa_trc(port->fcs, ls_rjt->reason_code);
  2993. bfa_trc(port->fcs, ls_rjt->reason_code_expl);
  2994. port->stats.ms_rejects++;
  2995. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  2996. break;
  2997. default:
  2998. port->stats.ms_plogi_unknown_rsp++;
  2999. bfa_trc(port->fcs, els_cmd->els_code);
  3000. bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
  3001. }
  3002. }
  3003. static void
  3004. bfa_fcs_lport_ms_timeout(void *arg)
  3005. {
  3006. struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
  3007. ms->port->stats.ms_timeouts++;
  3008. bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
  3009. }
  3010. void
  3011. bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
  3012. {
  3013. struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
  3014. ms->port = port;
  3015. bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
  3016. /*
  3017. * Invoke init routines of sub modules.
  3018. */
  3019. bfa_fcs_lport_fdmi_init(ms);
  3020. }
  3021. void
  3022. bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
  3023. {
  3024. struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
  3025. ms->port = port;
  3026. bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
  3027. bfa_fcs_lport_fdmi_offline(ms);
  3028. }
  3029. void
  3030. bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
  3031. {
  3032. struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
  3033. ms->port = port;
  3034. bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
  3035. }
  3036. void
  3037. bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
  3038. {
  3039. struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
  3040. /* todo. Handle this only when in Online state */
  3041. if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
  3042. bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
  3043. }
  3044. /*
  3045. * @page ns_sm_info VPORT NS State Machine
  3046. *
  3047. * @section ns_sm_interactions VPORT NS State Machine Interactions
  3048. *
  3049. * @section ns_sm VPORT NS State Machine
  3050. * img ns_sm.jpg
  3051. */
  3052. /*
  3053. * forward declarations
  3054. */
  3055. static void bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
  3056. struct bfa_fcxp_s *fcxp_alloced);
  3057. static void bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
  3058. struct bfa_fcxp_s *fcxp_alloced);
  3059. static void bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
  3060. struct bfa_fcxp_s *fcxp_alloced);
  3061. static void bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
  3062. struct bfa_fcxp_s *fcxp_alloced);
  3063. static void bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
  3064. struct bfa_fcxp_s *fcxp_alloced);
  3065. static void bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg,
  3066. struct bfa_fcxp_s *fcxp_alloced);
  3067. static void bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg,
  3068. struct bfa_fcxp_s *fcxp_alloced);
  3069. static void bfa_fcs_lport_ns_timeout(void *arg);
  3070. static void bfa_fcs_lport_ns_plogi_response(void *fcsarg,
  3071. struct bfa_fcxp_s *fcxp,
  3072. void *cbarg,
  3073. bfa_status_t req_status,
  3074. u32 rsp_len,
  3075. u32 resid_len,
  3076. struct fchs_s *rsp_fchs);
  3077. static void bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
  3078. struct bfa_fcxp_s *fcxp,
  3079. void *cbarg,
  3080. bfa_status_t req_status,
  3081. u32 rsp_len,
  3082. u32 resid_len,
  3083. struct fchs_s *rsp_fchs);
  3084. static void bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
  3085. struct bfa_fcxp_s *fcxp,
  3086. void *cbarg,
  3087. bfa_status_t req_status,
  3088. u32 rsp_len,
  3089. u32 resid_len,
  3090. struct fchs_s *rsp_fchs);
  3091. static void bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
  3092. struct bfa_fcxp_s *fcxp,
  3093. void *cbarg,
  3094. bfa_status_t req_status,
  3095. u32 rsp_len,
  3096. u32 resid_len,
  3097. struct fchs_s *rsp_fchs);
  3098. static void bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
  3099. struct bfa_fcxp_s *fcxp,
  3100. void *cbarg,
  3101. bfa_status_t req_status,
  3102. u32 rsp_len,
  3103. u32 resid_len,
  3104. struct fchs_s *rsp_fchs);
  3105. static void bfa_fcs_lport_ns_rnn_id_response(void *fcsarg,
  3106. struct bfa_fcxp_s *fcxp,
  3107. void *cbarg,
  3108. bfa_status_t req_status,
  3109. u32 rsp_len,
  3110. u32 resid_len,
  3111. struct fchs_s *rsp_fchs);
  3112. static void bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg,
  3113. struct bfa_fcxp_s *fcxp,
  3114. void *cbarg,
  3115. bfa_status_t req_status,
  3116. u32 rsp_len,
  3117. u32 resid_len,
  3118. struct fchs_s *rsp_fchs);
  3119. static void bfa_fcs_lport_ns_process_gidft_pids(
  3120. struct bfa_fcs_lport_s *port,
  3121. u32 *pid_buf, u32 n_pids);
  3122. static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
  3123. /*
  3124. * fcs_ns_sm FCS nameserver interface state machine
  3125. */
  3126. /*
  3127. * VPort NS State Machine events
  3128. */
  3129. enum vport_ns_event {
  3130. NSSM_EVENT_PORT_ONLINE = 1,
  3131. NSSM_EVENT_PORT_OFFLINE = 2,
  3132. NSSM_EVENT_PLOGI_SENT = 3,
  3133. NSSM_EVENT_RSP_OK = 4,
  3134. NSSM_EVENT_RSP_ERROR = 5,
  3135. NSSM_EVENT_TIMEOUT = 6,
  3136. NSSM_EVENT_NS_QUERY = 7,
  3137. NSSM_EVENT_RSPNID_SENT = 8,
  3138. NSSM_EVENT_RFTID_SENT = 9,
  3139. NSSM_EVENT_RFFID_SENT = 10,
  3140. NSSM_EVENT_GIDFT_SENT = 11,
  3141. NSSM_EVENT_RNNID_SENT = 12,
  3142. NSSM_EVENT_RSNN_NN_SENT = 13,
  3143. };
  3144. static void bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
  3145. enum vport_ns_event event);
  3146. static void bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
  3147. enum vport_ns_event event);
  3148. static void bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
  3149. enum vport_ns_event event);
  3150. static void bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
  3151. enum vport_ns_event event);
  3152. static void bfa_fcs_lport_ns_sm_sending_rspn_id(
  3153. struct bfa_fcs_lport_ns_s *ns,
  3154. enum vport_ns_event event);
  3155. static void bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
  3156. enum vport_ns_event event);
  3157. static void bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3158. enum vport_ns_event event);
  3159. static void bfa_fcs_lport_ns_sm_sending_rft_id(
  3160. struct bfa_fcs_lport_ns_s *ns,
  3161. enum vport_ns_event event);
  3162. static void bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3163. enum vport_ns_event event);
  3164. static void bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
  3165. enum vport_ns_event event);
  3166. static void bfa_fcs_lport_ns_sm_sending_rff_id(
  3167. struct bfa_fcs_lport_ns_s *ns,
  3168. enum vport_ns_event event);
  3169. static void bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3170. enum vport_ns_event event);
  3171. static void bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
  3172. enum vport_ns_event event);
  3173. static void bfa_fcs_lport_ns_sm_sending_gid_ft(
  3174. struct bfa_fcs_lport_ns_s *ns,
  3175. enum vport_ns_event event);
  3176. static void bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
  3177. enum vport_ns_event event);
  3178. static void bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
  3179. enum vport_ns_event event);
  3180. static void bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
  3181. enum vport_ns_event event);
  3182. static void bfa_fcs_lport_ns_sm_sending_rnn_id(
  3183. struct bfa_fcs_lport_ns_s *ns,
  3184. enum vport_ns_event event);
  3185. static void bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
  3186. enum vport_ns_event event);
  3187. static void bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3188. enum vport_ns_event event);
  3189. static void bfa_fcs_lport_ns_sm_sending_rsnn_nn(
  3190. struct bfa_fcs_lport_ns_s *ns,
  3191. enum vport_ns_event event);
  3192. static void bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
  3193. enum vport_ns_event event);
  3194. static void bfa_fcs_lport_ns_sm_rsnn_nn_retry(
  3195. struct bfa_fcs_lport_ns_s *ns,
  3196. enum vport_ns_event event);
  3197. /*
  3198. * Start in offline state - awaiting linkup
  3199. */
  3200. static void
  3201. bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
  3202. enum vport_ns_event event)
  3203. {
  3204. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3205. bfa_trc(ns->port->fcs, event);
  3206. switch (event) {
  3207. case NSSM_EVENT_PORT_ONLINE:
  3208. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
  3209. bfa_fcs_lport_ns_send_plogi(ns, NULL);
  3210. break;
  3211. case NSSM_EVENT_PORT_OFFLINE:
  3212. break;
  3213. default:
  3214. bfa_sm_fault(ns->port->fcs, event);
  3215. }
  3216. }
  3217. static void
  3218. bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
  3219. enum vport_ns_event event)
  3220. {
  3221. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3222. bfa_trc(ns->port->fcs, event);
  3223. switch (event) {
  3224. case NSSM_EVENT_PLOGI_SENT:
  3225. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
  3226. break;
  3227. case NSSM_EVENT_PORT_OFFLINE:
  3228. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3229. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3230. &ns->fcxp_wqe);
  3231. break;
  3232. default:
  3233. bfa_sm_fault(ns->port->fcs, event);
  3234. }
  3235. }
  3236. static void
  3237. bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
  3238. enum vport_ns_event event)
  3239. {
  3240. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3241. bfa_trc(ns->port->fcs, event);
  3242. switch (event) {
  3243. case NSSM_EVENT_RSP_ERROR:
  3244. /*
  3245. * Start timer for a delayed retry
  3246. */
  3247. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
  3248. ns->port->stats.ns_retries++;
  3249. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3250. &ns->timer, bfa_fcs_lport_ns_timeout, ns,
  3251. BFA_FCS_RETRY_TIMEOUT);
  3252. break;
  3253. case NSSM_EVENT_RSP_OK:
  3254. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
  3255. ns->num_rnnid_retries = 0;
  3256. bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
  3257. break;
  3258. case NSSM_EVENT_PORT_OFFLINE:
  3259. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3260. bfa_fcxp_discard(ns->fcxp);
  3261. break;
  3262. default:
  3263. bfa_sm_fault(ns->port->fcs, event);
  3264. }
  3265. }
  3266. static void
  3267. bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
  3268. enum vport_ns_event event)
  3269. {
  3270. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3271. bfa_trc(ns->port->fcs, event);
  3272. switch (event) {
  3273. case NSSM_EVENT_TIMEOUT:
  3274. /*
  3275. * Retry Timer Expired. Re-send
  3276. */
  3277. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
  3278. bfa_fcs_lport_ns_send_plogi(ns, NULL);
  3279. break;
  3280. case NSSM_EVENT_PORT_OFFLINE:
  3281. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3282. bfa_timer_stop(&ns->timer);
  3283. break;
  3284. default:
  3285. bfa_sm_fault(ns->port->fcs, event);
  3286. }
  3287. }
  3288. static void
  3289. bfa_fcs_lport_ns_sm_sending_rnn_id(struct bfa_fcs_lport_ns_s *ns,
  3290. enum vport_ns_event event)
  3291. {
  3292. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3293. bfa_trc(ns->port->fcs, event);
  3294. switch (event) {
  3295. case NSSM_EVENT_RNNID_SENT:
  3296. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id);
  3297. break;
  3298. case NSSM_EVENT_PORT_OFFLINE:
  3299. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3300. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3301. &ns->fcxp_wqe);
  3302. break;
  3303. default:
  3304. bfa_sm_fault(ns->port->fcs, event);
  3305. }
  3306. }
  3307. static void
  3308. bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
  3309. enum vport_ns_event event)
  3310. {
  3311. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3312. bfa_trc(ns->port->fcs, event);
  3313. switch (event) {
  3314. case NSSM_EVENT_RSP_OK:
  3315. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
  3316. ns->num_rnnid_retries = 0;
  3317. ns->num_rsnn_nn_retries = 0;
  3318. bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
  3319. break;
  3320. case NSSM_EVENT_RSP_ERROR:
  3321. if (ns->num_rnnid_retries < BFA_FCS_MAX_NS_RETRIES) {
  3322. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id_retry);
  3323. ns->port->stats.ns_retries++;
  3324. ns->num_rnnid_retries++;
  3325. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3326. &ns->timer, bfa_fcs_lport_ns_timeout, ns,
  3327. BFA_FCS_RETRY_TIMEOUT);
  3328. } else {
  3329. bfa_sm_set_state(ns,
  3330. bfa_fcs_lport_ns_sm_sending_rspn_id);
  3331. bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
  3332. }
  3333. break;
  3334. case NSSM_EVENT_PORT_OFFLINE:
  3335. bfa_fcxp_discard(ns->fcxp);
  3336. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3337. break;
  3338. default:
  3339. bfa_sm_fault(ns->port->fcs, event);
  3340. }
  3341. }
  3342. static void
  3343. bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3344. enum vport_ns_event event)
  3345. {
  3346. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3347. bfa_trc(ns->port->fcs, event);
  3348. switch (event) {
  3349. case NSSM_EVENT_TIMEOUT:
  3350. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
  3351. bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
  3352. break;
  3353. case NSSM_EVENT_PORT_OFFLINE:
  3354. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3355. bfa_timer_stop(&ns->timer);
  3356. break;
  3357. default:
  3358. bfa_sm_fault(ns->port->fcs, event);
  3359. }
  3360. }
  3361. static void
  3362. bfa_fcs_lport_ns_sm_sending_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
  3363. enum vport_ns_event event)
  3364. {
  3365. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3366. bfa_trc(ns->port->fcs, event);
  3367. switch (event) {
  3368. case NSSM_EVENT_RSNN_NN_SENT:
  3369. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn);
  3370. break;
  3371. case NSSM_EVENT_PORT_OFFLINE:
  3372. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3373. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3374. &ns->fcxp_wqe);
  3375. break;
  3376. default:
  3377. bfa_sm_fault(ns->port->fcs, event);
  3378. }
  3379. }
  3380. static void
  3381. bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
  3382. enum vport_ns_event event)
  3383. {
  3384. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3385. bfa_trc(ns->port->fcs, event);
  3386. switch (event) {
  3387. case NSSM_EVENT_RSP_OK:
  3388. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
  3389. ns->num_rsnn_nn_retries = 0;
  3390. bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
  3391. break;
  3392. case NSSM_EVENT_RSP_ERROR:
  3393. if (ns->num_rsnn_nn_retries < BFA_FCS_MAX_NS_RETRIES) {
  3394. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn_retry);
  3395. ns->port->stats.ns_retries++;
  3396. ns->num_rsnn_nn_retries++;
  3397. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3398. &ns->timer, bfa_fcs_lport_ns_timeout,
  3399. ns, BFA_FCS_RETRY_TIMEOUT);
  3400. } else {
  3401. bfa_sm_set_state(ns,
  3402. bfa_fcs_lport_ns_sm_sending_rspn_id);
  3403. bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
  3404. }
  3405. break;
  3406. case NSSM_EVENT_PORT_OFFLINE:
  3407. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3408. bfa_fcxp_discard(ns->fcxp);
  3409. break;
  3410. default:
  3411. bfa_sm_fault(ns->port->fcs, event);
  3412. }
  3413. }
  3414. static void
  3415. bfa_fcs_lport_ns_sm_rsnn_nn_retry(struct bfa_fcs_lport_ns_s *ns,
  3416. enum vport_ns_event event)
  3417. {
  3418. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3419. bfa_trc(ns->port->fcs, event);
  3420. switch (event) {
  3421. case NSSM_EVENT_TIMEOUT:
  3422. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
  3423. bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
  3424. break;
  3425. case NSSM_EVENT_PORT_OFFLINE:
  3426. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3427. bfa_timer_stop(&ns->timer);
  3428. break;
  3429. default:
  3430. bfa_sm_fault(ns->port->fcs, event);
  3431. }
  3432. }
  3433. static void
  3434. bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
  3435. enum vport_ns_event event)
  3436. {
  3437. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3438. bfa_trc(ns->port->fcs, event);
  3439. switch (event) {
  3440. case NSSM_EVENT_RSPNID_SENT:
  3441. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
  3442. break;
  3443. case NSSM_EVENT_PORT_OFFLINE:
  3444. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3445. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3446. &ns->fcxp_wqe);
  3447. break;
  3448. default:
  3449. bfa_sm_fault(ns->port->fcs, event);
  3450. }
  3451. }
  3452. static void
  3453. bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
  3454. enum vport_ns_event event)
  3455. {
  3456. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3457. bfa_trc(ns->port->fcs, event);
  3458. switch (event) {
  3459. case NSSM_EVENT_RSP_ERROR:
  3460. /*
  3461. * Start timer for a delayed retry
  3462. */
  3463. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
  3464. ns->port->stats.ns_retries++;
  3465. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3466. &ns->timer, bfa_fcs_lport_ns_timeout, ns,
  3467. BFA_FCS_RETRY_TIMEOUT);
  3468. break;
  3469. case NSSM_EVENT_RSP_OK:
  3470. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
  3471. bfa_fcs_lport_ns_send_rft_id(ns, NULL);
  3472. break;
  3473. case NSSM_EVENT_PORT_OFFLINE:
  3474. bfa_fcxp_discard(ns->fcxp);
  3475. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3476. break;
  3477. default:
  3478. bfa_sm_fault(ns->port->fcs, event);
  3479. }
  3480. }
  3481. static void
  3482. bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3483. enum vport_ns_event event)
  3484. {
  3485. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3486. bfa_trc(ns->port->fcs, event);
  3487. switch (event) {
  3488. case NSSM_EVENT_TIMEOUT:
  3489. /*
  3490. * Retry Timer Expired. Re-send
  3491. */
  3492. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
  3493. bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
  3494. break;
  3495. case NSSM_EVENT_PORT_OFFLINE:
  3496. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3497. bfa_timer_stop(&ns->timer);
  3498. break;
  3499. default:
  3500. bfa_sm_fault(ns->port->fcs, event);
  3501. }
  3502. }
  3503. static void
  3504. bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
  3505. enum vport_ns_event event)
  3506. {
  3507. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3508. bfa_trc(ns->port->fcs, event);
  3509. switch (event) {
  3510. case NSSM_EVENT_RFTID_SENT:
  3511. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
  3512. break;
  3513. case NSSM_EVENT_PORT_OFFLINE:
  3514. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3515. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3516. &ns->fcxp_wqe);
  3517. break;
  3518. default:
  3519. bfa_sm_fault(ns->port->fcs, event);
  3520. }
  3521. }
  3522. static void
  3523. bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
  3524. enum vport_ns_event event)
  3525. {
  3526. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3527. bfa_trc(ns->port->fcs, event);
  3528. switch (event) {
  3529. case NSSM_EVENT_RSP_OK:
  3530. /* Now move to register FC4 Features */
  3531. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
  3532. bfa_fcs_lport_ns_send_rff_id(ns, NULL);
  3533. break;
  3534. case NSSM_EVENT_RSP_ERROR:
  3535. /*
  3536. * Start timer for a delayed retry
  3537. */
  3538. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
  3539. ns->port->stats.ns_retries++;
  3540. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3541. &ns->timer, bfa_fcs_lport_ns_timeout, ns,
  3542. BFA_FCS_RETRY_TIMEOUT);
  3543. break;
  3544. case NSSM_EVENT_PORT_OFFLINE:
  3545. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3546. bfa_fcxp_discard(ns->fcxp);
  3547. break;
  3548. default:
  3549. bfa_sm_fault(ns->port->fcs, event);
  3550. }
  3551. }
  3552. static void
  3553. bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3554. enum vport_ns_event event)
  3555. {
  3556. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3557. bfa_trc(ns->port->fcs, event);
  3558. switch (event) {
  3559. case NSSM_EVENT_TIMEOUT:
  3560. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
  3561. bfa_fcs_lport_ns_send_rft_id(ns, NULL);
  3562. break;
  3563. case NSSM_EVENT_PORT_OFFLINE:
  3564. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3565. bfa_timer_stop(&ns->timer);
  3566. break;
  3567. default:
  3568. bfa_sm_fault(ns->port->fcs, event);
  3569. }
  3570. }
  3571. static void
  3572. bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
  3573. enum vport_ns_event event)
  3574. {
  3575. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3576. bfa_trc(ns->port->fcs, event);
  3577. switch (event) {
  3578. case NSSM_EVENT_RFFID_SENT:
  3579. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
  3580. break;
  3581. case NSSM_EVENT_PORT_OFFLINE:
  3582. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3583. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3584. &ns->fcxp_wqe);
  3585. break;
  3586. default:
  3587. bfa_sm_fault(ns->port->fcs, event);
  3588. }
  3589. }
  3590. static void
  3591. bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
  3592. enum vport_ns_event event)
  3593. {
  3594. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3595. bfa_trc(ns->port->fcs, event);
  3596. switch (event) {
  3597. case NSSM_EVENT_RSP_OK:
  3598. /*
  3599. * If min cfg mode is enabled, we donot initiate rport
  3600. * discovery with the fabric. Instead, we will retrieve the
  3601. * boot targets from HAL/FW.
  3602. */
  3603. if (__fcs_min_cfg(ns->port->fcs)) {
  3604. bfa_fcs_lport_ns_boot_target_disc(ns->port);
  3605. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
  3606. return;
  3607. }
  3608. /*
  3609. * If the port role is Initiator Mode issue NS query.
  3610. * If it is Target Mode, skip this and go to online.
  3611. */
  3612. if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
  3613. bfa_sm_set_state(ns,
  3614. bfa_fcs_lport_ns_sm_sending_gid_ft);
  3615. bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
  3616. }
  3617. /*
  3618. * kick off mgmt srvr state machine
  3619. */
  3620. bfa_fcs_lport_ms_online(ns->port);
  3621. break;
  3622. case NSSM_EVENT_RSP_ERROR:
  3623. /*
  3624. * Start timer for a delayed retry
  3625. */
  3626. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
  3627. ns->port->stats.ns_retries++;
  3628. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3629. &ns->timer, bfa_fcs_lport_ns_timeout, ns,
  3630. BFA_FCS_RETRY_TIMEOUT);
  3631. break;
  3632. case NSSM_EVENT_PORT_OFFLINE:
  3633. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3634. bfa_fcxp_discard(ns->fcxp);
  3635. break;
  3636. default:
  3637. bfa_sm_fault(ns->port->fcs, event);
  3638. }
  3639. }
  3640. static void
  3641. bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
  3642. enum vport_ns_event event)
  3643. {
  3644. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3645. bfa_trc(ns->port->fcs, event);
  3646. switch (event) {
  3647. case NSSM_EVENT_TIMEOUT:
  3648. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
  3649. bfa_fcs_lport_ns_send_rff_id(ns, NULL);
  3650. break;
  3651. case NSSM_EVENT_PORT_OFFLINE:
  3652. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3653. bfa_timer_stop(&ns->timer);
  3654. break;
  3655. default:
  3656. bfa_sm_fault(ns->port->fcs, event);
  3657. }
  3658. }
  3659. static void
  3660. bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
  3661. enum vport_ns_event event)
  3662. {
  3663. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3664. bfa_trc(ns->port->fcs, event);
  3665. switch (event) {
  3666. case NSSM_EVENT_GIDFT_SENT:
  3667. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
  3668. break;
  3669. case NSSM_EVENT_PORT_OFFLINE:
  3670. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3671. bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3672. &ns->fcxp_wqe);
  3673. break;
  3674. default:
  3675. bfa_sm_fault(ns->port->fcs, event);
  3676. }
  3677. }
  3678. static void
  3679. bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
  3680. enum vport_ns_event event)
  3681. {
  3682. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3683. bfa_trc(ns->port->fcs, event);
  3684. switch (event) {
  3685. case NSSM_EVENT_RSP_OK:
  3686. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
  3687. break;
  3688. case NSSM_EVENT_RSP_ERROR:
  3689. /*
  3690. * TBD: for certain reject codes, we don't need to retry
  3691. */
  3692. /*
  3693. * Start timer for a delayed retry
  3694. */
  3695. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
  3696. ns->port->stats.ns_retries++;
  3697. bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
  3698. &ns->timer, bfa_fcs_lport_ns_timeout, ns,
  3699. BFA_FCS_RETRY_TIMEOUT);
  3700. break;
  3701. case NSSM_EVENT_PORT_OFFLINE:
  3702. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3703. bfa_fcxp_discard(ns->fcxp);
  3704. break;
  3705. case NSSM_EVENT_NS_QUERY:
  3706. break;
  3707. default:
  3708. bfa_sm_fault(ns->port->fcs, event);
  3709. }
  3710. }
  3711. static void
  3712. bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
  3713. enum vport_ns_event event)
  3714. {
  3715. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3716. bfa_trc(ns->port->fcs, event);
  3717. switch (event) {
  3718. case NSSM_EVENT_TIMEOUT:
  3719. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
  3720. bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
  3721. break;
  3722. case NSSM_EVENT_PORT_OFFLINE:
  3723. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3724. bfa_timer_stop(&ns->timer);
  3725. break;
  3726. default:
  3727. bfa_sm_fault(ns->port->fcs, event);
  3728. }
  3729. }
  3730. static void
  3731. bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
  3732. enum vport_ns_event event)
  3733. {
  3734. bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
  3735. bfa_trc(ns->port->fcs, event);
  3736. switch (event) {
  3737. case NSSM_EVENT_PORT_OFFLINE:
  3738. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  3739. break;
  3740. case NSSM_EVENT_NS_QUERY:
  3741. /*
  3742. * If the port role is Initiator Mode issue NS query.
  3743. * If it is Target Mode, skip this and go to online.
  3744. */
  3745. if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
  3746. bfa_sm_set_state(ns,
  3747. bfa_fcs_lport_ns_sm_sending_gid_ft);
  3748. bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
  3749. };
  3750. break;
  3751. default:
  3752. bfa_sm_fault(ns->port->fcs, event);
  3753. }
  3754. }
  3755. /*
  3756. * ns_pvt Nameserver local functions
  3757. */
  3758. static void
  3759. bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  3760. {
  3761. struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
  3762. struct bfa_fcs_lport_s *port = ns->port;
  3763. struct fchs_s fchs;
  3764. int len;
  3765. struct bfa_fcxp_s *fcxp;
  3766. bfa_trc(port->fcs, port->pid);
  3767. fcxp = fcxp_alloced ? fcxp_alloced :
  3768. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  3769. if (!fcxp) {
  3770. port->stats.ns_plogi_alloc_wait++;
  3771. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  3772. bfa_fcs_lport_ns_send_plogi, ns, BFA_TRUE);
  3773. return;
  3774. }
  3775. ns->fcxp = fcxp;
  3776. len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  3777. bfa_hton3b(FC_NAME_SERVER),
  3778. bfa_fcs_lport_get_fcid(port), 0,
  3779. port->port_cfg.pwwn, port->port_cfg.nwwn,
  3780. bfa_fcport_get_maxfrsize(port->fcs->bfa),
  3781. bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
  3782. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  3783. FC_CLASS_3, len, &fchs,
  3784. bfa_fcs_lport_ns_plogi_response, (void *)ns,
  3785. FC_MAX_PDUSZ, FC_ELS_TOV);
  3786. port->stats.ns_plogi_sent++;
  3787. bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
  3788. }
  3789. static void
  3790. bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  3791. void *cbarg, bfa_status_t req_status, u32 rsp_len,
  3792. u32 resid_len, struct fchs_s *rsp_fchs)
  3793. {
  3794. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
  3795. struct bfa_fcs_lport_s *port = ns->port;
  3796. /* struct fc_logi_s *plogi_resp; */
  3797. struct fc_els_cmd_s *els_cmd;
  3798. struct fc_ls_rjt_s *ls_rjt;
  3799. bfa_trc(port->fcs, req_status);
  3800. bfa_trc(port->fcs, port->port_cfg.pwwn);
  3801. /*
  3802. * Sanity Checks
  3803. */
  3804. if (req_status != BFA_STATUS_OK) {
  3805. bfa_trc(port->fcs, req_status);
  3806. port->stats.ns_plogi_rsp_err++;
  3807. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3808. return;
  3809. }
  3810. els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
  3811. switch (els_cmd->els_code) {
  3812. case FC_ELS_ACC:
  3813. if (rsp_len < sizeof(struct fc_logi_s)) {
  3814. bfa_trc(port->fcs, rsp_len);
  3815. port->stats.ns_plogi_acc_err++;
  3816. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3817. break;
  3818. }
  3819. port->stats.ns_plogi_accepts++;
  3820. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  3821. break;
  3822. case FC_ELS_LS_RJT:
  3823. ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
  3824. bfa_trc(port->fcs, ls_rjt->reason_code);
  3825. bfa_trc(port->fcs, ls_rjt->reason_code_expl);
  3826. port->stats.ns_rejects++;
  3827. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3828. break;
  3829. default:
  3830. port->stats.ns_plogi_unknown_rsp++;
  3831. bfa_trc(port->fcs, els_cmd->els_code);
  3832. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3833. }
  3834. }
  3835. /*
  3836. * Register node name for port_id
  3837. */
  3838. static void
  3839. bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  3840. {
  3841. struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
  3842. struct bfa_fcs_lport_s *port = ns->port;
  3843. struct fchs_s fchs;
  3844. int len;
  3845. struct bfa_fcxp_s *fcxp;
  3846. bfa_trc(port->fcs, port->port_cfg.pwwn);
  3847. fcxp = fcxp_alloced ? fcxp_alloced :
  3848. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  3849. if (!fcxp) {
  3850. port->stats.ns_rnnid_alloc_wait++;
  3851. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  3852. bfa_fcs_lport_ns_send_rnn_id, ns, BFA_TRUE);
  3853. return;
  3854. }
  3855. ns->fcxp = fcxp;
  3856. len = fc_rnnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  3857. bfa_fcs_lport_get_fcid(port),
  3858. bfa_fcs_lport_get_fcid(port),
  3859. bfa_fcs_lport_get_nwwn(port));
  3860. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  3861. FC_CLASS_3, len, &fchs,
  3862. bfa_fcs_lport_ns_rnn_id_response, (void *)ns,
  3863. FC_MAX_PDUSZ, FC_FCCT_TOV);
  3864. port->stats.ns_rnnid_sent++;
  3865. bfa_sm_send_event(ns, NSSM_EVENT_RNNID_SENT);
  3866. }
  3867. static void
  3868. bfa_fcs_lport_ns_rnn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  3869. void *cbarg, bfa_status_t req_status,
  3870. u32 rsp_len, u32 resid_len,
  3871. struct fchs_s *rsp_fchs)
  3872. {
  3873. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
  3874. struct bfa_fcs_lport_s *port = ns->port;
  3875. struct ct_hdr_s *cthdr = NULL;
  3876. bfa_trc(port->fcs, port->port_cfg.pwwn);
  3877. /*
  3878. * Sanity Checks
  3879. */
  3880. if (req_status != BFA_STATUS_OK) {
  3881. bfa_trc(port->fcs, req_status);
  3882. port->stats.ns_rnnid_rsp_err++;
  3883. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3884. return;
  3885. }
  3886. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  3887. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  3888. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  3889. port->stats.ns_rnnid_accepts++;
  3890. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  3891. return;
  3892. }
  3893. port->stats.ns_rnnid_rejects++;
  3894. bfa_trc(port->fcs, cthdr->reason_code);
  3895. bfa_trc(port->fcs, cthdr->exp_code);
  3896. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3897. }
  3898. /*
  3899. * Register the symbolic node name for a given node name.
  3900. */
  3901. static void
  3902. bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  3903. {
  3904. struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
  3905. struct bfa_fcs_lport_s *port = ns->port;
  3906. struct fchs_s fchs;
  3907. int len;
  3908. struct bfa_fcxp_s *fcxp;
  3909. u8 *nsymbl;
  3910. bfa_trc(port->fcs, port->port_cfg.pwwn);
  3911. fcxp = fcxp_alloced ? fcxp_alloced :
  3912. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  3913. if (!fcxp) {
  3914. port->stats.ns_rsnn_nn_alloc_wait++;
  3915. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  3916. bfa_fcs_lport_ns_send_rsnn_nn, ns, BFA_TRUE);
  3917. return;
  3918. }
  3919. ns->fcxp = fcxp;
  3920. nsymbl = (u8 *) &(bfa_fcs_lport_get_nsym_name(
  3921. bfa_fcs_get_base_port(port->fcs)));
  3922. len = fc_rsnn_nn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  3923. bfa_fcs_lport_get_fcid(port),
  3924. bfa_fcs_lport_get_nwwn(port), nsymbl);
  3925. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  3926. FC_CLASS_3, len, &fchs,
  3927. bfa_fcs_lport_ns_rsnn_nn_response, (void *)ns,
  3928. FC_MAX_PDUSZ, FC_FCCT_TOV);
  3929. port->stats.ns_rsnn_nn_sent++;
  3930. bfa_sm_send_event(ns, NSSM_EVENT_RSNN_NN_SENT);
  3931. }
  3932. static void
  3933. bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  3934. void *cbarg, bfa_status_t req_status,
  3935. u32 rsp_len, u32 resid_len,
  3936. struct fchs_s *rsp_fchs)
  3937. {
  3938. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
  3939. struct bfa_fcs_lport_s *port = ns->port;
  3940. struct ct_hdr_s *cthdr = NULL;
  3941. bfa_trc(port->fcs, port->port_cfg.pwwn);
  3942. /*
  3943. * Sanity Checks
  3944. */
  3945. if (req_status != BFA_STATUS_OK) {
  3946. bfa_trc(port->fcs, req_status);
  3947. port->stats.ns_rsnn_nn_rsp_err++;
  3948. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3949. return;
  3950. }
  3951. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  3952. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  3953. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  3954. port->stats.ns_rsnn_nn_accepts++;
  3955. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  3956. return;
  3957. }
  3958. port->stats.ns_rsnn_nn_rejects++;
  3959. bfa_trc(port->fcs, cthdr->reason_code);
  3960. bfa_trc(port->fcs, cthdr->exp_code);
  3961. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  3962. }
  3963. /*
  3964. * Register the symbolic port name.
  3965. */
  3966. static void
  3967. bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  3968. {
  3969. struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
  3970. struct bfa_fcs_lport_s *port = ns->port;
  3971. struct fchs_s fchs;
  3972. int len;
  3973. struct bfa_fcxp_s *fcxp;
  3974. u8 symbl[256];
  3975. u8 *psymbl = &symbl[0];
  3976. memset(symbl, 0, sizeof(symbl));
  3977. bfa_trc(port->fcs, port->port_cfg.pwwn);
  3978. fcxp = fcxp_alloced ? fcxp_alloced :
  3979. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  3980. if (!fcxp) {
  3981. port->stats.ns_rspnid_alloc_wait++;
  3982. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  3983. bfa_fcs_lport_ns_send_rspn_id, ns, BFA_TRUE);
  3984. return;
  3985. }
  3986. ns->fcxp = fcxp;
  3987. /*
  3988. * for V-Port, form a Port Symbolic Name
  3989. */
  3990. if (port->vport) {
  3991. /*
  3992. * For Vports, we append the vport's port symbolic name
  3993. * to that of the base port.
  3994. */
  3995. strncpy((char *)psymbl,
  3996. (char *) &
  3997. (bfa_fcs_lport_get_psym_name
  3998. (bfa_fcs_get_base_port(port->fcs))),
  3999. strlen((char *) &
  4000. bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
  4001. (port->fcs))));
  4002. /* Ensure we have a null terminating string. */
  4003. ((char *)psymbl)[strlen((char *) &
  4004. bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
  4005. (port->fcs)))] = 0;
  4006. strncat((char *)psymbl,
  4007. (char *) &(bfa_fcs_lport_get_psym_name(port)),
  4008. strlen((char *) &bfa_fcs_lport_get_psym_name(port)));
  4009. } else {
  4010. psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
  4011. }
  4012. len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4013. bfa_fcs_lport_get_fcid(port), 0, psymbl);
  4014. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  4015. FC_CLASS_3, len, &fchs,
  4016. bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
  4017. FC_MAX_PDUSZ, FC_FCCT_TOV);
  4018. port->stats.ns_rspnid_sent++;
  4019. bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
  4020. }
  4021. static void
  4022. bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  4023. void *cbarg, bfa_status_t req_status,
  4024. u32 rsp_len, u32 resid_len,
  4025. struct fchs_s *rsp_fchs)
  4026. {
  4027. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
  4028. struct bfa_fcs_lport_s *port = ns->port;
  4029. struct ct_hdr_s *cthdr = NULL;
  4030. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4031. /*
  4032. * Sanity Checks
  4033. */
  4034. if (req_status != BFA_STATUS_OK) {
  4035. bfa_trc(port->fcs, req_status);
  4036. port->stats.ns_rspnid_rsp_err++;
  4037. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4038. return;
  4039. }
  4040. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  4041. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  4042. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  4043. port->stats.ns_rspnid_accepts++;
  4044. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  4045. return;
  4046. }
  4047. port->stats.ns_rspnid_rejects++;
  4048. bfa_trc(port->fcs, cthdr->reason_code);
  4049. bfa_trc(port->fcs, cthdr->exp_code);
  4050. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4051. }
  4052. /*
  4053. * Register FC4-Types
  4054. */
  4055. static void
  4056. bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  4057. {
  4058. struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
  4059. struct bfa_fcs_lport_s *port = ns->port;
  4060. struct fchs_s fchs;
  4061. int len;
  4062. struct bfa_fcxp_s *fcxp;
  4063. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4064. fcxp = fcxp_alloced ? fcxp_alloced :
  4065. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  4066. if (!fcxp) {
  4067. port->stats.ns_rftid_alloc_wait++;
  4068. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  4069. bfa_fcs_lport_ns_send_rft_id, ns, BFA_TRUE);
  4070. return;
  4071. }
  4072. ns->fcxp = fcxp;
  4073. len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4074. bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
  4075. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  4076. FC_CLASS_3, len, &fchs,
  4077. bfa_fcs_lport_ns_rft_id_response, (void *)ns,
  4078. FC_MAX_PDUSZ, FC_FCCT_TOV);
  4079. port->stats.ns_rftid_sent++;
  4080. bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
  4081. }
  4082. static void
  4083. bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  4084. void *cbarg, bfa_status_t req_status,
  4085. u32 rsp_len, u32 resid_len,
  4086. struct fchs_s *rsp_fchs)
  4087. {
  4088. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
  4089. struct bfa_fcs_lport_s *port = ns->port;
  4090. struct ct_hdr_s *cthdr = NULL;
  4091. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4092. /*
  4093. * Sanity Checks
  4094. */
  4095. if (req_status != BFA_STATUS_OK) {
  4096. bfa_trc(port->fcs, req_status);
  4097. port->stats.ns_rftid_rsp_err++;
  4098. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4099. return;
  4100. }
  4101. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  4102. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  4103. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  4104. port->stats.ns_rftid_accepts++;
  4105. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  4106. return;
  4107. }
  4108. port->stats.ns_rftid_rejects++;
  4109. bfa_trc(port->fcs, cthdr->reason_code);
  4110. bfa_trc(port->fcs, cthdr->exp_code);
  4111. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4112. }
  4113. /*
  4114. * Register FC4-Features : Should be done after RFT_ID
  4115. */
  4116. static void
  4117. bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  4118. {
  4119. struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
  4120. struct bfa_fcs_lport_s *port = ns->port;
  4121. struct fchs_s fchs;
  4122. int len;
  4123. struct bfa_fcxp_s *fcxp;
  4124. u8 fc4_ftrs = 0;
  4125. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4126. fcxp = fcxp_alloced ? fcxp_alloced :
  4127. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  4128. if (!fcxp) {
  4129. port->stats.ns_rffid_alloc_wait++;
  4130. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  4131. bfa_fcs_lport_ns_send_rff_id, ns, BFA_TRUE);
  4132. return;
  4133. }
  4134. ns->fcxp = fcxp;
  4135. if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
  4136. fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
  4137. len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4138. bfa_fcs_lport_get_fcid(port), 0,
  4139. FC_TYPE_FCP, fc4_ftrs);
  4140. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  4141. FC_CLASS_3, len, &fchs,
  4142. bfa_fcs_lport_ns_rff_id_response, (void *)ns,
  4143. FC_MAX_PDUSZ, FC_FCCT_TOV);
  4144. port->stats.ns_rffid_sent++;
  4145. bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
  4146. }
  4147. static void
  4148. bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  4149. void *cbarg, bfa_status_t req_status,
  4150. u32 rsp_len, u32 resid_len,
  4151. struct fchs_s *rsp_fchs)
  4152. {
  4153. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
  4154. struct bfa_fcs_lport_s *port = ns->port;
  4155. struct ct_hdr_s *cthdr = NULL;
  4156. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4157. /*
  4158. * Sanity Checks
  4159. */
  4160. if (req_status != BFA_STATUS_OK) {
  4161. bfa_trc(port->fcs, req_status);
  4162. port->stats.ns_rffid_rsp_err++;
  4163. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4164. return;
  4165. }
  4166. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  4167. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  4168. if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
  4169. port->stats.ns_rffid_accepts++;
  4170. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  4171. return;
  4172. }
  4173. port->stats.ns_rffid_rejects++;
  4174. bfa_trc(port->fcs, cthdr->reason_code);
  4175. bfa_trc(port->fcs, cthdr->exp_code);
  4176. if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
  4177. /* if this command is not supported, we don't retry */
  4178. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  4179. } else
  4180. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4181. }
  4182. /*
  4183. * Query Fabric for FC4-Types Devices.
  4184. *
  4185. * TBD : Need to use a local (FCS private) response buffer, since the response
  4186. * can be larger than 2K.
  4187. */
  4188. static void
  4189. bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  4190. {
  4191. struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
  4192. struct bfa_fcs_lport_s *port = ns->port;
  4193. struct fchs_s fchs;
  4194. int len;
  4195. struct bfa_fcxp_s *fcxp;
  4196. bfa_trc(port->fcs, port->pid);
  4197. fcxp = fcxp_alloced ? fcxp_alloced :
  4198. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  4199. if (!fcxp) {
  4200. port->stats.ns_gidft_alloc_wait++;
  4201. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  4202. bfa_fcs_lport_ns_send_gid_ft, ns, BFA_TRUE);
  4203. return;
  4204. }
  4205. ns->fcxp = fcxp;
  4206. /*
  4207. * This query is only initiated for FCP initiator mode.
  4208. */
  4209. len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4210. ns->port->pid, FC_TYPE_FCP);
  4211. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  4212. FC_CLASS_3, len, &fchs,
  4213. bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
  4214. bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
  4215. port->stats.ns_gidft_sent++;
  4216. bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
  4217. }
  4218. static void
  4219. bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  4220. void *cbarg, bfa_status_t req_status,
  4221. u32 rsp_len, u32 resid_len,
  4222. struct fchs_s *rsp_fchs)
  4223. {
  4224. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
  4225. struct bfa_fcs_lport_s *port = ns->port;
  4226. struct ct_hdr_s *cthdr = NULL;
  4227. u32 n_pids;
  4228. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4229. /*
  4230. * Sanity Checks
  4231. */
  4232. if (req_status != BFA_STATUS_OK) {
  4233. bfa_trc(port->fcs, req_status);
  4234. port->stats.ns_gidft_rsp_err++;
  4235. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4236. return;
  4237. }
  4238. if (resid_len != 0) {
  4239. /*
  4240. * TBD : we will need to allocate a larger buffer & retry the
  4241. * command
  4242. */
  4243. bfa_trc(port->fcs, rsp_len);
  4244. bfa_trc(port->fcs, resid_len);
  4245. return;
  4246. }
  4247. cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
  4248. cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
  4249. switch (cthdr->cmd_rsp_code) {
  4250. case CT_RSP_ACCEPT:
  4251. port->stats.ns_gidft_accepts++;
  4252. n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
  4253. bfa_trc(port->fcs, n_pids);
  4254. bfa_fcs_lport_ns_process_gidft_pids(port,
  4255. (u32 *) (cthdr + 1),
  4256. n_pids);
  4257. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  4258. break;
  4259. case CT_RSP_REJECT:
  4260. /*
  4261. * Check the reason code & explanation.
  4262. * There may not have been any FC4 devices in the fabric
  4263. */
  4264. port->stats.ns_gidft_rejects++;
  4265. bfa_trc(port->fcs, cthdr->reason_code);
  4266. bfa_trc(port->fcs, cthdr->exp_code);
  4267. if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
  4268. && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
  4269. bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
  4270. } else {
  4271. /*
  4272. * for all other errors, retry
  4273. */
  4274. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4275. }
  4276. break;
  4277. default:
  4278. port->stats.ns_gidft_unknown_rsp++;
  4279. bfa_trc(port->fcs, cthdr->cmd_rsp_code);
  4280. bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
  4281. }
  4282. }
  4283. /*
  4284. * This routine will be called by bfa_timer on timer timeouts.
  4285. *
  4286. * param[in] port - pointer to bfa_fcs_lport_t.
  4287. *
  4288. * return
  4289. * void
  4290. *
  4291. * Special Considerations:
  4292. *
  4293. * note
  4294. */
  4295. static void
  4296. bfa_fcs_lport_ns_timeout(void *arg)
  4297. {
  4298. struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
  4299. ns->port->stats.ns_timeouts++;
  4300. bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
  4301. }
  4302. /*
  4303. * Process the PID list in GID_FT response
  4304. */
  4305. static void
  4306. bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
  4307. u32 n_pids)
  4308. {
  4309. struct fcgs_gidft_resp_s *gidft_entry;
  4310. struct bfa_fcs_rport_s *rport;
  4311. u32 ii;
  4312. struct bfa_fcs_fabric_s *fabric = port->fabric;
  4313. struct bfa_fcs_vport_s *vport;
  4314. struct list_head *qe;
  4315. u8 found = 0;
  4316. for (ii = 0; ii < n_pids; ii++) {
  4317. gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
  4318. if (gidft_entry->pid == port->pid)
  4319. continue;
  4320. /*
  4321. * Ignore PID if it is of base port
  4322. * (Avoid vports discovering base port as remote port)
  4323. */
  4324. if (gidft_entry->pid == fabric->bport.pid)
  4325. continue;
  4326. /*
  4327. * Ignore PID if it is of vport created on the same base port
  4328. * (Avoid vport discovering every other vport created on the
  4329. * same port as remote port)
  4330. */
  4331. list_for_each(qe, &fabric->vport_q) {
  4332. vport = (struct bfa_fcs_vport_s *) qe;
  4333. if (vport->lport.pid == gidft_entry->pid)
  4334. found = 1;
  4335. }
  4336. if (found) {
  4337. found = 0;
  4338. continue;
  4339. }
  4340. /*
  4341. * Check if this rport already exists
  4342. */
  4343. rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
  4344. if (rport == NULL) {
  4345. /*
  4346. * this is a new device. create rport
  4347. */
  4348. rport = bfa_fcs_rport_create(port, gidft_entry->pid);
  4349. } else {
  4350. /*
  4351. * this rport already exists
  4352. */
  4353. bfa_fcs_rport_scn(rport);
  4354. }
  4355. bfa_trc(port->fcs, gidft_entry->pid);
  4356. /*
  4357. * if the last entry bit is set, bail out.
  4358. */
  4359. if (gidft_entry->last)
  4360. return;
  4361. }
  4362. }
  4363. /*
  4364. * fcs_ns_public FCS nameserver public interfaces
  4365. */
  4366. /*
  4367. * Functions called by port/fab.
  4368. * These will send relevant Events to the ns state machine.
  4369. */
  4370. void
  4371. bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
  4372. {
  4373. struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
  4374. ns->port = port;
  4375. bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
  4376. }
  4377. void
  4378. bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
  4379. {
  4380. struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
  4381. ns->port = port;
  4382. bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
  4383. }
  4384. void
  4385. bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
  4386. {
  4387. struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
  4388. ns->port = port;
  4389. bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
  4390. }
  4391. void
  4392. bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
  4393. {
  4394. struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
  4395. bfa_trc(port->fcs, port->pid);
  4396. if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_online))
  4397. bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
  4398. }
  4399. static void
  4400. bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
  4401. {
  4402. struct bfa_fcs_rport_s *rport;
  4403. u8 nwwns;
  4404. wwn_t wwns[BFA_PREBOOT_BOOTLUN_MAX];
  4405. int ii;
  4406. bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
  4407. for (ii = 0 ; ii < nwwns; ++ii) {
  4408. rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
  4409. WARN_ON(!rport);
  4410. }
  4411. }
  4412. void
  4413. bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
  4414. {
  4415. struct bfa_fcs_lport_ns_s *ns = cbarg;
  4416. struct bfa_fcs_lport_s *port = ns->port;
  4417. struct fchs_s fchs;
  4418. struct bfa_fcxp_s *fcxp;
  4419. u8 symbl[256];
  4420. u8 *psymbl = &symbl[0];
  4421. int len;
  4422. /* Avoid sending RSPN in the following states. */
  4423. if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) ||
  4424. bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) ||
  4425. bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi) ||
  4426. bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_retry) ||
  4427. bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry))
  4428. return;
  4429. memset(symbl, 0, sizeof(symbl));
  4430. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4431. fcxp = fcxp_alloced ? fcxp_alloced :
  4432. bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
  4433. if (!fcxp) {
  4434. port->stats.ns_rspnid_alloc_wait++;
  4435. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
  4436. bfa_fcs_lport_ns_util_send_rspn_id, ns, BFA_FALSE);
  4437. return;
  4438. }
  4439. ns->fcxp = fcxp;
  4440. if (port->vport) {
  4441. /*
  4442. * For Vports, we append the vport's port symbolic name
  4443. * to that of the base port.
  4444. */
  4445. strncpy((char *)psymbl, (char *)&(bfa_fcs_lport_get_psym_name
  4446. (bfa_fcs_get_base_port(port->fcs))),
  4447. strlen((char *)&bfa_fcs_lport_get_psym_name(
  4448. bfa_fcs_get_base_port(port->fcs))));
  4449. /* Ensure we have a null terminating string. */
  4450. ((char *)psymbl)[strlen((char *)&bfa_fcs_lport_get_psym_name(
  4451. bfa_fcs_get_base_port(port->fcs)))] = 0;
  4452. strncat((char *)psymbl,
  4453. (char *)&(bfa_fcs_lport_get_psym_name(port)),
  4454. strlen((char *)&bfa_fcs_lport_get_psym_name(port)));
  4455. }
  4456. len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4457. bfa_fcs_lport_get_fcid(port), 0, psymbl);
  4458. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  4459. FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
  4460. port->stats.ns_rspnid_sent++;
  4461. }
  4462. /*
  4463. * FCS SCN
  4464. */
  4465. #define FC_QOS_RSCN_EVENT 0x0c
  4466. #define FC_FABRIC_NAME_RSCN_EVENT 0x0d
  4467. /*
  4468. * forward declarations
  4469. */
  4470. static void bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
  4471. struct bfa_fcxp_s *fcxp_alloced);
  4472. static void bfa_fcs_lport_scn_scr_response(void *fcsarg,
  4473. struct bfa_fcxp_s *fcxp,
  4474. void *cbarg,
  4475. bfa_status_t req_status,
  4476. u32 rsp_len,
  4477. u32 resid_len,
  4478. struct fchs_s *rsp_fchs);
  4479. static void bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
  4480. struct fchs_s *rx_fchs);
  4481. static void bfa_fcs_lport_scn_timeout(void *arg);
  4482. /*
  4483. * fcs_scm_sm FCS SCN state machine
  4484. */
  4485. /*
  4486. * VPort SCN State Machine events
  4487. */
  4488. enum port_scn_event {
  4489. SCNSM_EVENT_PORT_ONLINE = 1,
  4490. SCNSM_EVENT_PORT_OFFLINE = 2,
  4491. SCNSM_EVENT_RSP_OK = 3,
  4492. SCNSM_EVENT_RSP_ERROR = 4,
  4493. SCNSM_EVENT_TIMEOUT = 5,
  4494. SCNSM_EVENT_SCR_SENT = 6,
  4495. };
  4496. static void bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
  4497. enum port_scn_event event);
  4498. static void bfa_fcs_lport_scn_sm_sending_scr(
  4499. struct bfa_fcs_lport_scn_s *scn,
  4500. enum port_scn_event event);
  4501. static void bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
  4502. enum port_scn_event event);
  4503. static void bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
  4504. enum port_scn_event event);
  4505. static void bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
  4506. enum port_scn_event event);
  4507. /*
  4508. * Starting state - awaiting link up.
  4509. */
  4510. static void
  4511. bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
  4512. enum port_scn_event event)
  4513. {
  4514. switch (event) {
  4515. case SCNSM_EVENT_PORT_ONLINE:
  4516. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
  4517. bfa_fcs_lport_scn_send_scr(scn, NULL);
  4518. break;
  4519. case SCNSM_EVENT_PORT_OFFLINE:
  4520. break;
  4521. default:
  4522. bfa_sm_fault(scn->port->fcs, event);
  4523. }
  4524. }
  4525. static void
  4526. bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
  4527. enum port_scn_event event)
  4528. {
  4529. switch (event) {
  4530. case SCNSM_EVENT_SCR_SENT:
  4531. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
  4532. break;
  4533. case SCNSM_EVENT_PORT_OFFLINE:
  4534. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
  4535. bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
  4536. break;
  4537. default:
  4538. bfa_sm_fault(scn->port->fcs, event);
  4539. }
  4540. }
  4541. static void
  4542. bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
  4543. enum port_scn_event event)
  4544. {
  4545. struct bfa_fcs_lport_s *port = scn->port;
  4546. switch (event) {
  4547. case SCNSM_EVENT_RSP_OK:
  4548. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
  4549. break;
  4550. case SCNSM_EVENT_RSP_ERROR:
  4551. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
  4552. bfa_timer_start(port->fcs->bfa, &scn->timer,
  4553. bfa_fcs_lport_scn_timeout, scn,
  4554. BFA_FCS_RETRY_TIMEOUT);
  4555. break;
  4556. case SCNSM_EVENT_PORT_OFFLINE:
  4557. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
  4558. bfa_fcxp_discard(scn->fcxp);
  4559. break;
  4560. default:
  4561. bfa_sm_fault(port->fcs, event);
  4562. }
  4563. }
  4564. static void
  4565. bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
  4566. enum port_scn_event event)
  4567. {
  4568. switch (event) {
  4569. case SCNSM_EVENT_TIMEOUT:
  4570. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
  4571. bfa_fcs_lport_scn_send_scr(scn, NULL);
  4572. break;
  4573. case SCNSM_EVENT_PORT_OFFLINE:
  4574. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
  4575. bfa_timer_stop(&scn->timer);
  4576. break;
  4577. default:
  4578. bfa_sm_fault(scn->port->fcs, event);
  4579. }
  4580. }
  4581. static void
  4582. bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
  4583. enum port_scn_event event)
  4584. {
  4585. switch (event) {
  4586. case SCNSM_EVENT_PORT_OFFLINE:
  4587. bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
  4588. break;
  4589. default:
  4590. bfa_sm_fault(scn->port->fcs, event);
  4591. }
  4592. }
  4593. /*
  4594. * fcs_scn_private FCS SCN private functions
  4595. */
  4596. /*
  4597. * This routine will be called to send a SCR command.
  4598. */
  4599. static void
  4600. bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
  4601. {
  4602. struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
  4603. struct bfa_fcs_lport_s *port = scn->port;
  4604. struct fchs_s fchs;
  4605. int len;
  4606. struct bfa_fcxp_s *fcxp;
  4607. bfa_trc(port->fcs, port->pid);
  4608. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4609. fcxp = fcxp_alloced ? fcxp_alloced :
  4610. bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
  4611. if (!fcxp) {
  4612. bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
  4613. bfa_fcs_lport_scn_send_scr, scn, BFA_TRUE);
  4614. return;
  4615. }
  4616. scn->fcxp = fcxp;
  4617. /* Handle VU registrations for Base port only */
  4618. if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
  4619. len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4620. port->fabric->lps->brcd_switch,
  4621. port->pid, 0);
  4622. } else {
  4623. len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4624. BFA_FALSE,
  4625. port->pid, 0);
  4626. }
  4627. bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
  4628. FC_CLASS_3, len, &fchs,
  4629. bfa_fcs_lport_scn_scr_response,
  4630. (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
  4631. bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
  4632. }
  4633. static void
  4634. bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
  4635. void *cbarg, bfa_status_t req_status, u32 rsp_len,
  4636. u32 resid_len, struct fchs_s *rsp_fchs)
  4637. {
  4638. struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
  4639. struct bfa_fcs_lport_s *port = scn->port;
  4640. struct fc_els_cmd_s *els_cmd;
  4641. struct fc_ls_rjt_s *ls_rjt;
  4642. bfa_trc(port->fcs, port->port_cfg.pwwn);
  4643. /*
  4644. * Sanity Checks
  4645. */
  4646. if (req_status != BFA_STATUS_OK) {
  4647. bfa_trc(port->fcs, req_status);
  4648. bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
  4649. return;
  4650. }
  4651. els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
  4652. switch (els_cmd->els_code) {
  4653. case FC_ELS_ACC:
  4654. bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
  4655. break;
  4656. case FC_ELS_LS_RJT:
  4657. ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
  4658. bfa_trc(port->fcs, ls_rjt->reason_code);
  4659. bfa_trc(port->fcs, ls_rjt->reason_code_expl);
  4660. bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
  4661. break;
  4662. default:
  4663. bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
  4664. }
  4665. }
  4666. /*
  4667. * Send a LS Accept
  4668. */
  4669. static void
  4670. bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
  4671. struct fchs_s *rx_fchs)
  4672. {
  4673. struct fchs_s fchs;
  4674. struct bfa_fcxp_s *fcxp;
  4675. struct bfa_rport_s *bfa_rport = NULL;
  4676. int len;
  4677. bfa_trc(port->fcs, rx_fchs->s_id);
  4678. fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
  4679. if (!fcxp)
  4680. return;
  4681. len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
  4682. rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
  4683. rx_fchs->ox_id);
  4684. bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
  4685. BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
  4686. FC_MAX_PDUSZ, 0);
  4687. }
  4688. /*
  4689. * This routine will be called by bfa_timer on timer timeouts.
  4690. *
  4691. * param[in] vport - pointer to bfa_fcs_lport_t.
  4692. * param[out] vport_status - pointer to return vport status in
  4693. *
  4694. * return
  4695. * void
  4696. *
  4697. * Special Considerations:
  4698. *
  4699. * note
  4700. */
  4701. static void
  4702. bfa_fcs_lport_scn_timeout(void *arg)
  4703. {
  4704. struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
  4705. bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
  4706. }
  4707. /*
  4708. * fcs_scn_public FCS state change notification public interfaces
  4709. */
  4710. /*
  4711. * Functions called by port/fab
  4712. */
  4713. void
  4714. bfa_fcs_lport_scn_init(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_set_state(scn, bfa_fcs_lport_scn_sm_offline);
  4719. }
  4720. void
  4721. bfa_fcs_lport_scn_offline(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_OFFLINE);
  4726. }
  4727. void
  4728. bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *port)
  4729. {
  4730. struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
  4731. scn->port = port;
  4732. bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
  4733. }
  4734. static void
  4735. bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
  4736. {
  4737. struct bfa_fcs_rport_s *rport;
  4738. struct bfa_fcs_fabric_s *fabric = port->fabric;
  4739. struct bfa_fcs_vport_s *vport;
  4740. struct list_head *qe;
  4741. bfa_trc(port->fcs, rpid);
  4742. /*
  4743. * Ignore PID if it is of base port or of vports created on the
  4744. * same base port. It is to avoid vports discovering base port or
  4745. * other vports created on same base port as remote port
  4746. */
  4747. if (rpid == fabric->bport.pid)
  4748. return;
  4749. list_for_each(qe, &fabric->vport_q) {
  4750. vport = (struct bfa_fcs_vport_s *) qe;
  4751. if (vport->lport.pid == rpid)
  4752. return;
  4753. }
  4754. /*
  4755. * If this is an unknown device, then it just came online.
  4756. * Otherwise let rport handle the RSCN event.
  4757. */
  4758. rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
  4759. if (!rport)
  4760. rport = bfa_fcs_lport_get_rport_by_old_pid(port, rpid);
  4761. if (rport == NULL) {
  4762. /*
  4763. * If min cfg mode is enabled, we donot need to
  4764. * discover any new rports.
  4765. */
  4766. if (!__fcs_min_cfg(port->fcs))
  4767. rport = bfa_fcs_rport_create(port, rpid);
  4768. } else
  4769. bfa_fcs_rport_scn(rport);
  4770. }
  4771. /*
  4772. * rscn format based PID comparison
  4773. */
  4774. #define __fc_pid_match(__c0, __c1, __fmt) \
  4775. (((__fmt) == FC_RSCN_FORMAT_FABRIC) || \
  4776. (((__fmt) == FC_RSCN_FORMAT_DOMAIN) && \
  4777. ((__c0)[0] == (__c1)[0])) || \
  4778. (((__fmt) == FC_RSCN_FORMAT_AREA) && \
  4779. ((__c0)[0] == (__c1)[0]) && \
  4780. ((__c0)[1] == (__c1)[1])))
  4781. static void
  4782. bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
  4783. enum fc_rscn_format format,
  4784. u32 rscn_pid)
  4785. {
  4786. struct bfa_fcs_rport_s *rport;
  4787. struct list_head *qe, *qe_next;
  4788. u8 *c0, *c1;
  4789. bfa_trc(port->fcs, format);
  4790. bfa_trc(port->fcs, rscn_pid);
  4791. c0 = (u8 *) &rscn_pid;
  4792. list_for_each_safe(qe, qe_next, &port->rport_q) {
  4793. rport = (struct bfa_fcs_rport_s *) qe;
  4794. c1 = (u8 *) &rport->pid;
  4795. if (__fc_pid_match(c0, c1, format))
  4796. bfa_fcs_rport_scn(rport);
  4797. }
  4798. }
  4799. void
  4800. bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
  4801. struct fchs_s *fchs, u32 len)
  4802. {
  4803. struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
  4804. int num_entries;
  4805. u32 rscn_pid;
  4806. bfa_boolean_t nsquery = BFA_FALSE, found;
  4807. int i = 0, j;
  4808. num_entries =
  4809. (be16_to_cpu(rscn->payldlen) -
  4810. sizeof(u32)) / sizeof(rscn->event[0]);
  4811. bfa_trc(port->fcs, num_entries);
  4812. port->stats.num_rscn++;
  4813. bfa_fcs_lport_scn_send_ls_acc(port, fchs);
  4814. for (i = 0; i < num_entries; i++) {
  4815. rscn_pid = rscn->event[i].portid;
  4816. bfa_trc(port->fcs, rscn->event[i].format);
  4817. bfa_trc(port->fcs, rscn_pid);
  4818. /* check for duplicate entries in the list */
  4819. found = BFA_FALSE;
  4820. for (j = 0; j < i; j++) {
  4821. if (rscn->event[j].portid == rscn_pid) {
  4822. found = BFA_TRUE;
  4823. break;
  4824. }
  4825. }
  4826. /* if found in down the list, pid has been already processed */
  4827. if (found) {
  4828. bfa_trc(port->fcs, rscn_pid);
  4829. continue;
  4830. }
  4831. switch (rscn->event[i].format) {
  4832. case FC_RSCN_FORMAT_PORTID:
  4833. if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
  4834. /*
  4835. * Ignore this event.
  4836. * f/w would have processed it
  4837. */
  4838. bfa_trc(port->fcs, rscn_pid);
  4839. } else {
  4840. port->stats.num_portid_rscn++;
  4841. bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
  4842. }
  4843. break;
  4844. case FC_RSCN_FORMAT_FABRIC:
  4845. if (rscn->event[i].qualifier ==
  4846. FC_FABRIC_NAME_RSCN_EVENT) {
  4847. bfa_fcs_lport_ms_fabric_rscn(port);
  4848. break;
  4849. }
  4850. /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */
  4851. case FC_RSCN_FORMAT_AREA:
  4852. case FC_RSCN_FORMAT_DOMAIN:
  4853. nsquery = BFA_TRUE;
  4854. bfa_fcs_lport_scn_multiport_rscn(port,
  4855. rscn->event[i].format,
  4856. rscn_pid);
  4857. break;
  4858. default:
  4859. WARN_ON(1);
  4860. nsquery = BFA_TRUE;
  4861. }
  4862. }
  4863. /*
  4864. * If any of area, domain or fabric RSCN is received, do a fresh
  4865. * discovery to find new devices.
  4866. */
  4867. if (nsquery)
  4868. bfa_fcs_lport_ns_query(port);
  4869. }
  4870. /*
  4871. * BFA FCS port
  4872. */
  4873. /*
  4874. * fcs_port_api BFA FCS port API
  4875. */
  4876. struct bfa_fcs_lport_s *
  4877. bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
  4878. {
  4879. return &fcs->fabric.bport;
  4880. }
  4881. wwn_t
  4882. bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
  4883. int nrports, bfa_boolean_t bwwn)
  4884. {
  4885. struct list_head *qh, *qe;
  4886. struct bfa_fcs_rport_s *rport = NULL;
  4887. int i;
  4888. struct bfa_fcs_s *fcs;
  4889. if (port == NULL || nrports == 0)
  4890. return (wwn_t) 0;
  4891. fcs = port->fcs;
  4892. bfa_trc(fcs, (u32) nrports);
  4893. i = 0;
  4894. qh = &port->rport_q;
  4895. qe = bfa_q_first(qh);
  4896. while ((qe != qh) && (i < nrports)) {
  4897. rport = (struct bfa_fcs_rport_s *) qe;
  4898. if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
  4899. qe = bfa_q_next(qe);
  4900. bfa_trc(fcs, (u32) rport->pwwn);
  4901. bfa_trc(fcs, rport->pid);
  4902. bfa_trc(fcs, i);
  4903. continue;
  4904. }
  4905. if (bwwn) {
  4906. if (!memcmp(&wwn, &rport->pwwn, 8))
  4907. break;
  4908. } else {
  4909. if (i == index)
  4910. break;
  4911. }
  4912. i++;
  4913. qe = bfa_q_next(qe);
  4914. }
  4915. bfa_trc(fcs, i);
  4916. if (rport)
  4917. return rport->pwwn;
  4918. else
  4919. return (wwn_t) 0;
  4920. }
  4921. void
  4922. bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port,
  4923. struct bfa_rport_qualifier_s rports[], int *nrports)
  4924. {
  4925. struct list_head *qh, *qe;
  4926. struct bfa_fcs_rport_s *rport = NULL;
  4927. int i;
  4928. struct bfa_fcs_s *fcs;
  4929. if (port == NULL || rports == NULL || *nrports == 0)
  4930. return;
  4931. fcs = port->fcs;
  4932. bfa_trc(fcs, (u32) *nrports);
  4933. i = 0;
  4934. qh = &port->rport_q;
  4935. qe = bfa_q_first(qh);
  4936. while ((qe != qh) && (i < *nrports)) {
  4937. rport = (struct bfa_fcs_rport_s *) qe;
  4938. if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
  4939. qe = bfa_q_next(qe);
  4940. bfa_trc(fcs, (u32) rport->pwwn);
  4941. bfa_trc(fcs, rport->pid);
  4942. bfa_trc(fcs, i);
  4943. continue;
  4944. }
  4945. if (!rport->pwwn && !rport->pid) {
  4946. qe = bfa_q_next(qe);
  4947. continue;
  4948. }
  4949. rports[i].pwwn = rport->pwwn;
  4950. rports[i].pid = rport->pid;
  4951. i++;
  4952. qe = bfa_q_next(qe);
  4953. }
  4954. bfa_trc(fcs, i);
  4955. *nrports = i;
  4956. }
  4957. /*
  4958. * Iterate's through all the rport's in the given port to
  4959. * determine the maximum operating speed.
  4960. *
  4961. * !!!! To be used in TRL Functionality only !!!!
  4962. */
  4963. bfa_port_speed_t
  4964. bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
  4965. {
  4966. struct list_head *qh, *qe;
  4967. struct bfa_fcs_rport_s *rport = NULL;
  4968. struct bfa_fcs_s *fcs;
  4969. bfa_port_speed_t max_speed = 0;
  4970. struct bfa_port_attr_s port_attr;
  4971. bfa_port_speed_t port_speed, rport_speed;
  4972. bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
  4973. if (port == NULL)
  4974. return 0;
  4975. fcs = port->fcs;
  4976. /* Get Physical port's current speed */
  4977. bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
  4978. port_speed = port_attr.speed;
  4979. bfa_trc(fcs, port_speed);
  4980. qh = &port->rport_q;
  4981. qe = bfa_q_first(qh);
  4982. while (qe != qh) {
  4983. rport = (struct bfa_fcs_rport_s *) qe;
  4984. if ((bfa_ntoh3b(rport->pid) > 0xFFF000) ||
  4985. (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE) ||
  4986. (rport->scsi_function != BFA_RPORT_TARGET)) {
  4987. qe = bfa_q_next(qe);
  4988. continue;
  4989. }
  4990. rport_speed = rport->rpf.rpsc_speed;
  4991. if ((trl_enabled) && (rport_speed ==
  4992. BFA_PORT_SPEED_UNKNOWN)) {
  4993. /* Use default ratelim speed setting */
  4994. rport_speed =
  4995. bfa_fcport_get_ratelim_speed(port->fcs->bfa);
  4996. }
  4997. if (rport_speed > max_speed)
  4998. max_speed = rport_speed;
  4999. qe = bfa_q_next(qe);
  5000. }
  5001. if (max_speed > port_speed)
  5002. max_speed = port_speed;
  5003. bfa_trc(fcs, max_speed);
  5004. return max_speed;
  5005. }
  5006. struct bfa_fcs_lport_s *
  5007. bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
  5008. {
  5009. struct bfa_fcs_vport_s *vport;
  5010. bfa_fcs_vf_t *vf;
  5011. WARN_ON(fcs == NULL);
  5012. vf = bfa_fcs_vf_lookup(fcs, vf_id);
  5013. if (vf == NULL) {
  5014. bfa_trc(fcs, vf_id);
  5015. return NULL;
  5016. }
  5017. if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
  5018. return &vf->bport;
  5019. vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
  5020. if (vport)
  5021. return &vport->lport;
  5022. return NULL;
  5023. }
  5024. /*
  5025. * API corresponding to NPIV_VPORT_GETINFO.
  5026. */
  5027. void
  5028. bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
  5029. struct bfa_lport_info_s *port_info)
  5030. {
  5031. bfa_trc(port->fcs, port->fabric->fabric_name);
  5032. if (port->vport == NULL) {
  5033. /*
  5034. * This is a Physical port
  5035. */
  5036. port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
  5037. /*
  5038. * @todo : need to fix the state & reason
  5039. */
  5040. port_info->port_state = 0;
  5041. port_info->offline_reason = 0;
  5042. port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
  5043. port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
  5044. port_info->max_vports_supp =
  5045. bfa_lps_get_max_vport(port->fcs->bfa);
  5046. port_info->num_vports_inuse =
  5047. port->fabric->num_vports;
  5048. port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
  5049. port_info->num_rports_inuse = port->num_rports;
  5050. } else {
  5051. /*
  5052. * This is a virtual port
  5053. */
  5054. port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
  5055. /*
  5056. * @todo : need to fix the state & reason
  5057. */
  5058. port_info->port_state = 0;
  5059. port_info->offline_reason = 0;
  5060. port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
  5061. port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
  5062. }
  5063. }
  5064. void
  5065. bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
  5066. struct bfa_lport_stats_s *port_stats)
  5067. {
  5068. *port_stats = fcs_port->stats;
  5069. }
  5070. void
  5071. bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
  5072. {
  5073. memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
  5074. }
  5075. /*
  5076. * Let new loop map create missing rports
  5077. */
  5078. void
  5079. bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s *port)
  5080. {
  5081. bfa_fcs_lport_loop_online(port);
  5082. }
  5083. /*
  5084. * FCS virtual port state machine
  5085. */
  5086. #define __vport_fcs(__vp) ((__vp)->lport.fcs)
  5087. #define __vport_pwwn(__vp) ((__vp)->lport.port_cfg.pwwn)
  5088. #define __vport_nwwn(__vp) ((__vp)->lport.port_cfg.nwwn)
  5089. #define __vport_bfa(__vp) ((__vp)->lport.fcs->bfa)
  5090. #define __vport_fcid(__vp) ((__vp)->lport.pid)
  5091. #define __vport_fabric(__vp) ((__vp)->lport.fabric)
  5092. #define __vport_vfid(__vp) ((__vp)->lport.fabric->vf_id)
  5093. #define BFA_FCS_VPORT_MAX_RETRIES 5
  5094. /*
  5095. * Forward declarations
  5096. */
  5097. static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
  5098. static void bfa_fcs_vport_timeout(void *vport_arg);
  5099. static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
  5100. static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
  5101. /*
  5102. * fcs_vport_sm FCS virtual port state machine
  5103. */
  5104. /*
  5105. * VPort State Machine events
  5106. */
  5107. enum bfa_fcs_vport_event {
  5108. BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */
  5109. BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */
  5110. BFA_FCS_VPORT_SM_START = 3, /* vport start request */
  5111. BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */
  5112. BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */
  5113. BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */
  5114. BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */
  5115. BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */
  5116. BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */
  5117. BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */
  5118. BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */
  5119. BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error*/
  5120. BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */
  5121. BFA_FCS_VPORT_SM_STOPCOMP = 14, /* vport delete completion */
  5122. BFA_FCS_VPORT_SM_FABRIC_MAX = 15, /* max vports on fabric */
  5123. };
  5124. static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
  5125. enum bfa_fcs_vport_event event);
  5126. static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
  5127. enum bfa_fcs_vport_event event);
  5128. static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
  5129. enum bfa_fcs_vport_event event);
  5130. static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
  5131. enum bfa_fcs_vport_event event);
  5132. static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
  5133. enum bfa_fcs_vport_event event);
  5134. static void bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
  5135. enum bfa_fcs_vport_event event);
  5136. static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
  5137. enum bfa_fcs_vport_event event);
  5138. static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
  5139. enum bfa_fcs_vport_event event);
  5140. static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
  5141. enum bfa_fcs_vport_event event);
  5142. static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
  5143. enum bfa_fcs_vport_event event);
  5144. static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
  5145. enum bfa_fcs_vport_event event);
  5146. static void bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
  5147. enum bfa_fcs_vport_event event);
  5148. static void bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
  5149. enum bfa_fcs_vport_event event);
  5150. static struct bfa_sm_table_s vport_sm_table[] = {
  5151. {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
  5152. {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
  5153. {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
  5154. {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
  5155. {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
  5156. {BFA_SM(bfa_fcs_vport_sm_fdisc_rsp_wait), BFA_FCS_VPORT_FDISC_RSP_WAIT},
  5157. {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
  5158. {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
  5159. {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
  5160. {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
  5161. {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
  5162. };
  5163. /*
  5164. * Beginning state.
  5165. */
  5166. static void
  5167. bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
  5168. enum bfa_fcs_vport_event event)
  5169. {
  5170. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5171. bfa_trc(__vport_fcs(vport), event);
  5172. switch (event) {
  5173. case BFA_FCS_VPORT_SM_CREATE:
  5174. bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
  5175. bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
  5176. break;
  5177. default:
  5178. bfa_sm_fault(__vport_fcs(vport), event);
  5179. }
  5180. }
  5181. /*
  5182. * Created state - a start event is required to start up the state machine.
  5183. */
  5184. static void
  5185. bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
  5186. enum bfa_fcs_vport_event event)
  5187. {
  5188. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5189. bfa_trc(__vport_fcs(vport), event);
  5190. switch (event) {
  5191. case BFA_FCS_VPORT_SM_START:
  5192. if (bfa_sm_cmp_state(__vport_fabric(vport),
  5193. bfa_fcs_fabric_sm_online)
  5194. && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
  5195. bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
  5196. bfa_fcs_vport_do_fdisc(vport);
  5197. } else {
  5198. /*
  5199. * Fabric is offline or not NPIV capable, stay in
  5200. * offline state.
  5201. */
  5202. vport->vport_stats.fab_no_npiv++;
  5203. bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
  5204. }
  5205. break;
  5206. case BFA_FCS_VPORT_SM_DELETE:
  5207. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5208. bfa_fcs_lport_delete(&vport->lport);
  5209. break;
  5210. case BFA_FCS_VPORT_SM_ONLINE:
  5211. case BFA_FCS_VPORT_SM_OFFLINE:
  5212. /*
  5213. * Ignore ONLINE/OFFLINE events from fabric
  5214. * till vport is started.
  5215. */
  5216. break;
  5217. default:
  5218. bfa_sm_fault(__vport_fcs(vport), event);
  5219. }
  5220. }
  5221. /*
  5222. * Offline state - awaiting ONLINE event from fabric SM.
  5223. */
  5224. static void
  5225. bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
  5226. enum bfa_fcs_vport_event event)
  5227. {
  5228. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5229. bfa_trc(__vport_fcs(vport), event);
  5230. switch (event) {
  5231. case BFA_FCS_VPORT_SM_DELETE:
  5232. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5233. bfa_fcs_lport_delete(&vport->lport);
  5234. break;
  5235. case BFA_FCS_VPORT_SM_ONLINE:
  5236. bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
  5237. vport->fdisc_retries = 0;
  5238. bfa_fcs_vport_do_fdisc(vport);
  5239. break;
  5240. case BFA_FCS_VPORT_SM_STOP:
  5241. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5242. bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
  5243. break;
  5244. case BFA_FCS_VPORT_SM_OFFLINE:
  5245. /*
  5246. * This can happen if the vport couldn't be initialzied
  5247. * due the fact that the npiv was not enabled on the switch.
  5248. * In that case we will put the vport in offline state.
  5249. * However, the link can go down and cause the this event to
  5250. * be sent when we are already offline. Ignore it.
  5251. */
  5252. break;
  5253. default:
  5254. bfa_sm_fault(__vport_fcs(vport), event);
  5255. }
  5256. }
  5257. /*
  5258. * FDISC is sent and awaiting reply from fabric.
  5259. */
  5260. static void
  5261. bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
  5262. enum bfa_fcs_vport_event event)
  5263. {
  5264. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5265. bfa_trc(__vport_fcs(vport), event);
  5266. switch (event) {
  5267. case BFA_FCS_VPORT_SM_DELETE:
  5268. bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_rsp_wait);
  5269. break;
  5270. case BFA_FCS_VPORT_SM_OFFLINE:
  5271. bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
  5272. bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
  5273. break;
  5274. case BFA_FCS_VPORT_SM_RSP_OK:
  5275. bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
  5276. bfa_fcs_lport_online(&vport->lport);
  5277. break;
  5278. case BFA_FCS_VPORT_SM_RSP_ERROR:
  5279. bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
  5280. bfa_timer_start(__vport_bfa(vport), &vport->timer,
  5281. bfa_fcs_vport_timeout, vport,
  5282. BFA_FCS_RETRY_TIMEOUT);
  5283. break;
  5284. case BFA_FCS_VPORT_SM_RSP_FAILED:
  5285. case BFA_FCS_VPORT_SM_FABRIC_MAX:
  5286. bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
  5287. break;
  5288. case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
  5289. bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
  5290. break;
  5291. default:
  5292. bfa_sm_fault(__vport_fcs(vport), event);
  5293. }
  5294. }
  5295. /*
  5296. * FDISC attempt failed - a timer is active to retry FDISC.
  5297. */
  5298. static void
  5299. bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
  5300. enum bfa_fcs_vport_event event)
  5301. {
  5302. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5303. bfa_trc(__vport_fcs(vport), event);
  5304. switch (event) {
  5305. case BFA_FCS_VPORT_SM_DELETE:
  5306. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5307. bfa_timer_stop(&vport->timer);
  5308. bfa_fcs_lport_delete(&vport->lport);
  5309. break;
  5310. case BFA_FCS_VPORT_SM_OFFLINE:
  5311. bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
  5312. bfa_timer_stop(&vport->timer);
  5313. break;
  5314. case BFA_FCS_VPORT_SM_TIMEOUT:
  5315. bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
  5316. vport->vport_stats.fdisc_retries++;
  5317. vport->fdisc_retries++;
  5318. bfa_fcs_vport_do_fdisc(vport);
  5319. break;
  5320. default:
  5321. bfa_sm_fault(__vport_fcs(vport), event);
  5322. }
  5323. }
  5324. /*
  5325. * FDISC is in progress and we got a vport delete request -
  5326. * this is a wait state while we wait for fdisc response and
  5327. * we will transition to the appropriate state - on rsp status.
  5328. */
  5329. static void
  5330. bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
  5331. enum bfa_fcs_vport_event event)
  5332. {
  5333. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5334. bfa_trc(__vport_fcs(vport), event);
  5335. switch (event) {
  5336. case BFA_FCS_VPORT_SM_RSP_OK:
  5337. bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
  5338. bfa_fcs_lport_delete(&vport->lport);
  5339. break;
  5340. case BFA_FCS_VPORT_SM_DELETE:
  5341. break;
  5342. case BFA_FCS_VPORT_SM_OFFLINE:
  5343. case BFA_FCS_VPORT_SM_RSP_ERROR:
  5344. case BFA_FCS_VPORT_SM_RSP_FAILED:
  5345. case BFA_FCS_VPORT_SM_FABRIC_MAX:
  5346. case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
  5347. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5348. bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
  5349. bfa_fcs_lport_delete(&vport->lport);
  5350. break;
  5351. default:
  5352. bfa_sm_fault(__vport_fcs(vport), event);
  5353. }
  5354. }
  5355. /*
  5356. * Vport is online (FDISC is complete).
  5357. */
  5358. static void
  5359. bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
  5360. enum bfa_fcs_vport_event event)
  5361. {
  5362. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5363. bfa_trc(__vport_fcs(vport), event);
  5364. switch (event) {
  5365. case BFA_FCS_VPORT_SM_DELETE:
  5366. bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
  5367. bfa_fcs_lport_delete(&vport->lport);
  5368. break;
  5369. case BFA_FCS_VPORT_SM_STOP:
  5370. bfa_sm_set_state(vport, bfa_fcs_vport_sm_stopping);
  5371. bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
  5372. break;
  5373. case BFA_FCS_VPORT_SM_OFFLINE:
  5374. bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
  5375. bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
  5376. bfa_fcs_lport_offline(&vport->lport);
  5377. break;
  5378. default:
  5379. bfa_sm_fault(__vport_fcs(vport), event);
  5380. }
  5381. }
  5382. /*
  5383. * Vport is being stopped - awaiting lport stop completion to send
  5384. * LOGO to fabric.
  5385. */
  5386. static void
  5387. bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
  5388. enum bfa_fcs_vport_event event)
  5389. {
  5390. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5391. bfa_trc(__vport_fcs(vport), event);
  5392. switch (event) {
  5393. case BFA_FCS_VPORT_SM_STOPCOMP:
  5394. bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo_for_stop);
  5395. bfa_fcs_vport_do_logo(vport);
  5396. break;
  5397. case BFA_FCS_VPORT_SM_OFFLINE:
  5398. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5399. break;
  5400. default:
  5401. bfa_sm_fault(__vport_fcs(vport), event);
  5402. }
  5403. }
  5404. /*
  5405. * Vport is being deleted - awaiting lport delete completion to send
  5406. * LOGO to fabric.
  5407. */
  5408. static void
  5409. bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
  5410. enum bfa_fcs_vport_event event)
  5411. {
  5412. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5413. bfa_trc(__vport_fcs(vport), event);
  5414. switch (event) {
  5415. case BFA_FCS_VPORT_SM_DELETE:
  5416. break;
  5417. case BFA_FCS_VPORT_SM_DELCOMP:
  5418. bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
  5419. bfa_fcs_vport_do_logo(vport);
  5420. break;
  5421. case BFA_FCS_VPORT_SM_OFFLINE:
  5422. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5423. break;
  5424. default:
  5425. bfa_sm_fault(__vport_fcs(vport), event);
  5426. }
  5427. }
  5428. /*
  5429. * Error State.
  5430. * This state will be set when the Vport Creation fails due
  5431. * to errors like Dup WWN. In this state only operation allowed
  5432. * is a Vport Delete.
  5433. */
  5434. static void
  5435. bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
  5436. enum bfa_fcs_vport_event event)
  5437. {
  5438. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5439. bfa_trc(__vport_fcs(vport), event);
  5440. switch (event) {
  5441. case BFA_FCS_VPORT_SM_DELETE:
  5442. bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
  5443. bfa_fcs_lport_delete(&vport->lport);
  5444. break;
  5445. default:
  5446. bfa_trc(__vport_fcs(vport), event);
  5447. }
  5448. }
  5449. /*
  5450. * Lport cleanup is in progress since vport is being deleted. Fabric is
  5451. * offline, so no LOGO is needed to complete vport deletion.
  5452. */
  5453. static void
  5454. bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
  5455. enum bfa_fcs_vport_event event)
  5456. {
  5457. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5458. bfa_trc(__vport_fcs(vport), event);
  5459. switch (event) {
  5460. case BFA_FCS_VPORT_SM_DELCOMP:
  5461. bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
  5462. bfa_fcs_vport_free(vport);
  5463. break;
  5464. case BFA_FCS_VPORT_SM_STOPCOMP:
  5465. bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
  5466. break;
  5467. case BFA_FCS_VPORT_SM_DELETE:
  5468. break;
  5469. default:
  5470. bfa_sm_fault(__vport_fcs(vport), event);
  5471. }
  5472. }
  5473. /*
  5474. * LOGO is sent to fabric. Vport stop is in progress. Lport stop cleanup
  5475. * is done.
  5476. */
  5477. static void
  5478. bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
  5479. enum bfa_fcs_vport_event event)
  5480. {
  5481. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5482. bfa_trc(__vport_fcs(vport), event);
  5483. switch (event) {
  5484. case BFA_FCS_VPORT_SM_OFFLINE:
  5485. bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
  5486. /*
  5487. * !!! fall through !!!
  5488. */
  5489. case BFA_FCS_VPORT_SM_RSP_OK:
  5490. case BFA_FCS_VPORT_SM_RSP_ERROR:
  5491. bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
  5492. break;
  5493. default:
  5494. bfa_sm_fault(__vport_fcs(vport), event);
  5495. }
  5496. }
  5497. /*
  5498. * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
  5499. * is done.
  5500. */
  5501. static void
  5502. bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
  5503. enum bfa_fcs_vport_event event)
  5504. {
  5505. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5506. bfa_trc(__vport_fcs(vport), event);
  5507. switch (event) {
  5508. case BFA_FCS_VPORT_SM_OFFLINE:
  5509. bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
  5510. /*
  5511. * !!! fall through !!!
  5512. */
  5513. case BFA_FCS_VPORT_SM_RSP_OK:
  5514. case BFA_FCS_VPORT_SM_RSP_ERROR:
  5515. bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
  5516. bfa_fcs_vport_free(vport);
  5517. break;
  5518. case BFA_FCS_VPORT_SM_DELETE:
  5519. break;
  5520. default:
  5521. bfa_sm_fault(__vport_fcs(vport), event);
  5522. }
  5523. }
  5524. /*
  5525. * fcs_vport_private FCS virtual port private functions
  5526. */
  5527. /*
  5528. * Send AEN notification
  5529. */
  5530. static void
  5531. bfa_fcs_vport_aen_post(struct bfa_fcs_lport_s *port,
  5532. enum bfa_lport_aen_event event)
  5533. {
  5534. struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
  5535. struct bfa_aen_entry_s *aen_entry;
  5536. bfad_get_aen_entry(bfad, aen_entry);
  5537. if (!aen_entry)
  5538. return;
  5539. aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
  5540. aen_entry->aen_data.lport.roles = port->port_cfg.roles;
  5541. aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
  5542. bfa_fcs_get_base_port(port->fcs));
  5543. aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
  5544. /* Send the AEN notification */
  5545. bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
  5546. BFA_AEN_CAT_LPORT, event);
  5547. }
  5548. /*
  5549. * This routine will be called to send a FDISC command.
  5550. */
  5551. static void
  5552. bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
  5553. {
  5554. bfa_lps_fdisc(vport->lps, vport,
  5555. bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
  5556. __vport_pwwn(vport), __vport_nwwn(vport));
  5557. vport->vport_stats.fdisc_sent++;
  5558. }
  5559. static void
  5560. bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
  5561. {
  5562. u8 lsrjt_rsn = vport->lps->lsrjt_rsn;
  5563. u8 lsrjt_expl = vport->lps->lsrjt_expl;
  5564. bfa_trc(__vport_fcs(vport), lsrjt_rsn);
  5565. bfa_trc(__vport_fcs(vport), lsrjt_expl);
  5566. /* For certain reason codes, we don't want to retry. */
  5567. switch (vport->lps->lsrjt_expl) {
  5568. case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
  5569. case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
  5570. if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
  5571. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
  5572. else {
  5573. bfa_fcs_vport_aen_post(&vport->lport,
  5574. BFA_LPORT_AEN_NPIV_DUP_WWN);
  5575. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
  5576. }
  5577. break;
  5578. case FC_LS_RJT_EXP_INSUFF_RES:
  5579. /*
  5580. * This means max logins per port/switch setting on the
  5581. * switch was exceeded.
  5582. */
  5583. if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
  5584. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
  5585. else {
  5586. bfa_fcs_vport_aen_post(&vport->lport,
  5587. BFA_LPORT_AEN_NPIV_FABRIC_MAX);
  5588. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_FABRIC_MAX);
  5589. }
  5590. break;
  5591. default:
  5592. if (vport->fdisc_retries == 0)
  5593. bfa_fcs_vport_aen_post(&vport->lport,
  5594. BFA_LPORT_AEN_NPIV_UNKNOWN);
  5595. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
  5596. }
  5597. }
  5598. /*
  5599. * Called to send a logout to the fabric. Used when a V-Port is
  5600. * deleted/stopped.
  5601. */
  5602. static void
  5603. bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
  5604. {
  5605. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5606. vport->vport_stats.logo_sent++;
  5607. bfa_lps_fdisclogo(vport->lps);
  5608. }
  5609. /*
  5610. * This routine will be called by bfa_timer on timer timeouts.
  5611. *
  5612. * param[in] vport - pointer to bfa_fcs_vport_t.
  5613. * param[out] vport_status - pointer to return vport status in
  5614. *
  5615. * return
  5616. * void
  5617. *
  5618. * Special Considerations:
  5619. *
  5620. * note
  5621. */
  5622. static void
  5623. bfa_fcs_vport_timeout(void *vport_arg)
  5624. {
  5625. struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
  5626. vport->vport_stats.fdisc_timeouts++;
  5627. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
  5628. }
  5629. static void
  5630. bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
  5631. {
  5632. struct bfad_vport_s *vport_drv =
  5633. (struct bfad_vport_s *)vport->vport_drv;
  5634. bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
  5635. bfa_lps_delete(vport->lps);
  5636. if (vport_drv->comp_del) {
  5637. complete(vport_drv->comp_del);
  5638. return;
  5639. }
  5640. /*
  5641. * We queue the vport delete work to the IM work_q from here.
  5642. * The memory for the bfad_vport_s is freed from the FC function
  5643. * template vport_delete entry point.
  5644. */
  5645. bfad_im_port_delete(vport_drv->drv_port.bfad, &vport_drv->drv_port);
  5646. }
  5647. /*
  5648. * fcs_vport_public FCS virtual port public interfaces
  5649. */
  5650. /*
  5651. * Online notification from fabric SM.
  5652. */
  5653. void
  5654. bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
  5655. {
  5656. vport->vport_stats.fab_online++;
  5657. if (bfa_fcs_fabric_npiv_capable(__vport_fabric(vport)))
  5658. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
  5659. else
  5660. vport->vport_stats.fab_no_npiv++;
  5661. }
  5662. /*
  5663. * Offline notification from fabric SM.
  5664. */
  5665. void
  5666. bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
  5667. {
  5668. vport->vport_stats.fab_offline++;
  5669. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
  5670. }
  5671. /*
  5672. * Cleanup notification from fabric SM on link timer expiry.
  5673. */
  5674. void
  5675. bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
  5676. {
  5677. vport->vport_stats.fab_cleanup++;
  5678. }
  5679. /*
  5680. * Stop notification from fabric SM. To be invoked from within FCS.
  5681. */
  5682. void
  5683. bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport)
  5684. {
  5685. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
  5686. }
  5687. /*
  5688. * delete notification from fabric SM. To be invoked from within FCS.
  5689. */
  5690. void
  5691. bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
  5692. {
  5693. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
  5694. }
  5695. /*
  5696. * Stop completion callback from associated lport
  5697. */
  5698. void
  5699. bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport)
  5700. {
  5701. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOPCOMP);
  5702. }
  5703. /*
  5704. * Delete completion callback from associated lport
  5705. */
  5706. void
  5707. bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
  5708. {
  5709. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
  5710. }
  5711. /*
  5712. * fcs_vport_api Virtual port API
  5713. */
  5714. /*
  5715. * Use this function to instantiate a new FCS vport object. This
  5716. * function will not trigger any HW initialization process (which will be
  5717. * done in vport_start() call)
  5718. *
  5719. * param[in] vport - pointer to bfa_fcs_vport_t. This space
  5720. * needs to be allocated by the driver.
  5721. * param[in] fcs - FCS instance
  5722. * param[in] vport_cfg - vport configuration
  5723. * param[in] vf_id - VF_ID if vport is created within a VF.
  5724. * FC_VF_ID_NULL to specify base fabric.
  5725. * param[in] vport_drv - Opaque handle back to the driver's vport
  5726. * structure
  5727. *
  5728. * retval BFA_STATUS_OK - on success.
  5729. * retval BFA_STATUS_FAILED - on failure.
  5730. */
  5731. bfa_status_t
  5732. bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
  5733. u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
  5734. struct bfad_vport_s *vport_drv)
  5735. {
  5736. if (vport_cfg->pwwn == 0)
  5737. return BFA_STATUS_INVALID_WWN;
  5738. if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
  5739. return BFA_STATUS_VPORT_WWN_BP;
  5740. if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
  5741. return BFA_STATUS_VPORT_EXISTS;
  5742. if (fcs->fabric.num_vports ==
  5743. bfa_lps_get_max_vport(fcs->bfa))
  5744. return BFA_STATUS_VPORT_MAX;
  5745. vport->lps = bfa_lps_alloc(fcs->bfa);
  5746. if (!vport->lps)
  5747. return BFA_STATUS_VPORT_MAX;
  5748. vport->vport_drv = vport_drv;
  5749. vport_cfg->preboot_vp = BFA_FALSE;
  5750. bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
  5751. bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
  5752. bfa_fcs_lport_init(&vport->lport, vport_cfg);
  5753. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
  5754. return BFA_STATUS_OK;
  5755. }
  5756. /*
  5757. * Use this function to instantiate a new FCS PBC vport object. This
  5758. * function will not trigger any HW initialization process (which will be
  5759. * done in vport_start() call)
  5760. *
  5761. * param[in] vport - pointer to bfa_fcs_vport_t. This space
  5762. * needs to be allocated by the driver.
  5763. * param[in] fcs - FCS instance
  5764. * param[in] vport_cfg - vport configuration
  5765. * param[in] vf_id - VF_ID if vport is created within a VF.
  5766. * FC_VF_ID_NULL to specify base fabric.
  5767. * param[in] vport_drv - Opaque handle back to the driver's vport
  5768. * structure
  5769. *
  5770. * retval BFA_STATUS_OK - on success.
  5771. * retval BFA_STATUS_FAILED - on failure.
  5772. */
  5773. bfa_status_t
  5774. bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
  5775. u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
  5776. struct bfad_vport_s *vport_drv)
  5777. {
  5778. bfa_status_t rc;
  5779. rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
  5780. vport->lport.port_cfg.preboot_vp = BFA_TRUE;
  5781. return rc;
  5782. }
  5783. /*
  5784. * Use this function to findout if this is a pbc vport or not.
  5785. *
  5786. * @param[in] vport - pointer to bfa_fcs_vport_t.
  5787. *
  5788. * @returns None
  5789. */
  5790. bfa_boolean_t
  5791. bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
  5792. {
  5793. if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
  5794. return BFA_TRUE;
  5795. else
  5796. return BFA_FALSE;
  5797. }
  5798. /*
  5799. * Use this function initialize the vport.
  5800. *
  5801. * @param[in] vport - pointer to bfa_fcs_vport_t.
  5802. *
  5803. * @returns None
  5804. */
  5805. bfa_status_t
  5806. bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
  5807. {
  5808. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
  5809. return BFA_STATUS_OK;
  5810. }
  5811. /*
  5812. * Use this function quiese the vport object. This function will return
  5813. * immediately, when the vport is actually stopped, the
  5814. * bfa_drv_vport_stop_cb() will be called.
  5815. *
  5816. * param[in] vport - pointer to bfa_fcs_vport_t.
  5817. *
  5818. * return None
  5819. */
  5820. bfa_status_t
  5821. bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
  5822. {
  5823. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
  5824. return BFA_STATUS_OK;
  5825. }
  5826. /*
  5827. * Use this function to delete a vport object. Fabric object should
  5828. * be stopped before this function call.
  5829. *
  5830. * !!!!!!! Donot invoke this from within FCS !!!!!!!
  5831. *
  5832. * param[in] vport - pointer to bfa_fcs_vport_t.
  5833. *
  5834. * return None
  5835. */
  5836. bfa_status_t
  5837. bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
  5838. {
  5839. if (vport->lport.port_cfg.preboot_vp)
  5840. return BFA_STATUS_PBC;
  5841. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
  5842. return BFA_STATUS_OK;
  5843. }
  5844. /*
  5845. * Use this function to get vport's current status info.
  5846. *
  5847. * param[in] vport pointer to bfa_fcs_vport_t.
  5848. * param[out] attr pointer to return vport attributes
  5849. *
  5850. * return None
  5851. */
  5852. void
  5853. bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
  5854. struct bfa_vport_attr_s *attr)
  5855. {
  5856. if (vport == NULL || attr == NULL)
  5857. return;
  5858. memset(attr, 0, sizeof(struct bfa_vport_attr_s));
  5859. bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
  5860. attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
  5861. }
  5862. /*
  5863. * Lookup a virtual port. Excludes base port from lookup.
  5864. */
  5865. struct bfa_fcs_vport_s *
  5866. bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
  5867. {
  5868. struct bfa_fcs_vport_s *vport;
  5869. struct bfa_fcs_fabric_s *fabric;
  5870. bfa_trc(fcs, vf_id);
  5871. bfa_trc(fcs, vpwwn);
  5872. fabric = bfa_fcs_vf_lookup(fcs, vf_id);
  5873. if (!fabric) {
  5874. bfa_trc(fcs, vf_id);
  5875. return NULL;
  5876. }
  5877. vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
  5878. return vport;
  5879. }
  5880. /*
  5881. * FDISC Response
  5882. */
  5883. void
  5884. bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
  5885. {
  5886. struct bfa_fcs_vport_s *vport = uarg;
  5887. bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
  5888. bfa_trc(__vport_fcs(vport), status);
  5889. switch (status) {
  5890. case BFA_STATUS_OK:
  5891. /*
  5892. * Initialize the V-Port fields
  5893. */
  5894. __vport_fcid(vport) = vport->lps->lp_pid;
  5895. vport->vport_stats.fdisc_accepts++;
  5896. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
  5897. break;
  5898. case BFA_STATUS_INVALID_MAC:
  5899. /* Only for CNA */
  5900. vport->vport_stats.fdisc_acc_bad++;
  5901. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
  5902. break;
  5903. case BFA_STATUS_EPROTOCOL:
  5904. switch (vport->lps->ext_status) {
  5905. case BFA_EPROTO_BAD_ACCEPT:
  5906. vport->vport_stats.fdisc_acc_bad++;
  5907. break;
  5908. case BFA_EPROTO_UNKNOWN_RSP:
  5909. vport->vport_stats.fdisc_unknown_rsp++;
  5910. break;
  5911. default:
  5912. break;
  5913. }
  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_ETIMER:
  5920. vport->vport_stats.fdisc_timeouts++;
  5921. if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
  5922. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
  5923. else
  5924. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
  5925. break;
  5926. case BFA_STATUS_FABRIC_RJT:
  5927. vport->vport_stats.fdisc_rejects++;
  5928. bfa_fcs_vport_fdisc_rejected(vport);
  5929. break;
  5930. default:
  5931. vport->vport_stats.fdisc_rsp_err++;
  5932. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
  5933. }
  5934. }
  5935. /*
  5936. * LOGO response
  5937. */
  5938. void
  5939. bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
  5940. {
  5941. struct bfa_fcs_vport_s *vport = uarg;
  5942. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
  5943. }
  5944. /*
  5945. * Received clear virtual link
  5946. */
  5947. void
  5948. bfa_cb_lps_cvl_event(void *bfad, void *uarg)
  5949. {
  5950. struct bfa_fcs_vport_s *vport = uarg;
  5951. /* Send an Offline followed by an ONLINE */
  5952. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
  5953. bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
  5954. }