drivers/scsi/bfa/bfa_fcs_lport.c

   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
  18 #include "bfad_drv.h"
  19 #include "bfad_im.h"
  20 #include "bfa_fcs.h"
  21 #include "bfa_fcbuild.h"
  22 #include "bfa_fc.h"
  23
  24 BFA_TRC_FILE(FCS, PORT);
  25
  26 /*
  27  * ALPA to LIXA bitmap mapping
  28  *
  29  * ALPA 0x00 (Word 0, Bit 30) is invalid for N_Ports. Also Word 0 Bit 31
  30  * is for L_bit (login required) and is filled as ALPA 0x00 here.
  31  */
  32 static const u8 loop_alpa_map[] = {
  33         0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x0F, 0x10, /* Word 0 Bits 31..24 */
  34         0x17, 0x18, 0x1B, 0x1D, 0x1E, 0x1F, 0x23, 0x25, /* Word 0 Bits 23..16 */
  35         0x26, 0x27, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, /* Word 0 Bits 15..08 */
  36         0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x39, 0x3A, /* Word 0 Bits 07..00 */
  37
  38         0x3C, 0x43, 0x45, 0x46, 0x47, 0x49, 0x4A, 0x4B, /* Word 1 Bits 31..24 */
  39         0x4C, 0x4D, 0x4E, 0x51, 0x52, 0x53, 0x54, 0x55, /* Word 1 Bits 23..16 */
  40         0x56, 0x59, 0x5A, 0x5C, 0x63, 0x65, 0x66, 0x67, /* Word 1 Bits 15..08 */
  41         0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x71, 0x72, /* Word 1 Bits 07..00 */
  42
  43         0x73, 0x74, 0x75, 0x76, 0x79, 0x7A, 0x7C, 0x80, /* Word 2 Bits 31..24 */
  44         0x81, 0x82, 0x84, 0x88, 0x8F, 0x90, 0x97, 0x98, /* Word 2 Bits 23..16 */
  45         0x9B, 0x9D, 0x9E, 0x9F, 0xA3, 0xA5, 0xA6, 0xA7, /* Word 2 Bits 15..08 */
  46         0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xB1, 0xB2, /* Word 2 Bits 07..00 */
  47
  48         0xB3, 0xB4, 0xB5, 0xB6, 0xB9, 0xBA, 0xBC, 0xC3, /* Word 3 Bits 31..24 */
  49         0xC5, 0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, /* Word 3 Bits 23..16 */
  50         0xCE, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD9, /* Word 3 Bits 15..08 */
  51         0xDA, 0xDC, 0xE0, 0xE1, 0xE2, 0xE4, 0xE8, 0xEF, /* Word 3 Bits 07..00 */
  52 };
  53
  54 static void     bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
  55                                          struct fchs_s *rx_fchs, u8 reason_code,
  56                                          u8 reason_code_expl);
  57 static void     bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
  58                         struct fchs_s *rx_fchs, struct fc_logi_s *plogi);
  59 static void     bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port);
  60 static void     bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port);
  61 static void     bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port);
  62 static void     bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port);
  63 static void     bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port);
  64 static void     bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port);
  65 static void     bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port,
  66                         struct fchs_s *rx_fchs,
  67                         struct fc_echo_s *echo, u16 len);
  68 static void     bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port,
  69                         struct fchs_s *rx_fchs,
  70                         struct fc_rnid_cmd_s *rnid, u16 len);
  71 static void     bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
  72                         struct fc_rnid_general_topology_data_s *gen_topo_data);
  73
  74 static void     bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port);
  75 static void     bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port);
  76 static void     bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port);
  77
  78 static void     bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
  79 static void     bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
  80 static void     bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);
  81
  82 static void     bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port);
  83 static void     bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port);
  84 static void     bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port);
  85
  86 static struct {
  87         void            (*init) (struct bfa_fcs_lport_s *port);
  88         void            (*online) (struct bfa_fcs_lport_s *port);
  89         void            (*offline) (struct bfa_fcs_lport_s *port);
  90 } __port_action[] = {
  91         {
  92         bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online,
  93                         bfa_fcs_lport_unknown_offline}, {
  94         bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online,
  95                         bfa_fcs_lport_fab_offline}, {
  96         bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online,
  97                         bfa_fcs_lport_n2n_offline}, {
  98         bfa_fcs_lport_loop_init, bfa_fcs_lport_loop_online,
  99                         bfa_fcs_lport_loop_offline},
 100         };
 101
 102 /*
 103  *  fcs_port_sm FCS logical port state machine
 104  */
 105
 106 enum bfa_fcs_lport_event {
 107         BFA_FCS_PORT_SM_CREATE = 1,
 108         BFA_FCS_PORT_SM_ONLINE = 2,
 109         BFA_FCS_PORT_SM_OFFLINE = 3,
 110         BFA_FCS_PORT_SM_DELETE = 4,
 111         BFA_FCS_PORT_SM_DELRPORT = 5,
 112         BFA_FCS_PORT_SM_STOP = 6,
 113 };
 114
 115 static void     bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s *port,
 116                                         enum bfa_fcs_lport_event event);
 117 static void     bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
 118                                         enum bfa_fcs_lport_event event);
 119 static void     bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port,
 120                                         enum bfa_fcs_lport_event event);
 121 static void     bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port,
 122                                         enum bfa_fcs_lport_event event);
 123 static void     bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port,
 124                                         enum bfa_fcs_lport_event event);
 125 static void     bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
 126                                         enum bfa_fcs_lport_event event);
 127
 128 static void
 129 bfa_fcs_lport_sm_uninit(
 130         struct bfa_fcs_lport_s *port,
 131         enum bfa_fcs_lport_event event)
 132 {
 133         bfa_trc(port->fcs, port->port_cfg.pwwn);
 134         bfa_trc(port->fcs, event);
 135
 136         switch (event) {
 137         case BFA_FCS_PORT_SM_CREATE:
 138                 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 139                 break;
 140
 141         default:
 142                 bfa_sm_fault(port->fcs, event);
 143         }
 144 }
 145
 146 static void
 147 bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
 148                         enum bfa_fcs_lport_event event)
 149 {
 150         bfa_trc(port->fcs, port->port_cfg.pwwn);
 151         bfa_trc(port->fcs, event);
 152
 153         switch (event) {
 154         case BFA_FCS_PORT_SM_ONLINE:
 155                 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
 156                 bfa_fcs_lport_online_actions(port);
 157                 break;
 158
 159         case BFA_FCS_PORT_SM_DELETE:
 160                 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 161                 bfa_fcs_lport_deleted(port);
 162                 break;
 163
 164         case BFA_FCS_PORT_SM_STOP:
 165                 /* If vport - send completion call back */
 166                 if (port->vport)
 167                         bfa_fcs_vport_stop_comp(port->vport);
 168                 else
 169                         bfa_wc_down(&(port->fabric->stop_wc));
 170                 break;
 171
 172         case BFA_FCS_PORT_SM_OFFLINE:
 173                 break;
 174
 175         default:
 176                 bfa_sm_fault(port->fcs, event);
 177         }
 178 }
 179
 180 static void
 181 bfa_fcs_lport_sm_online(
 182         struct bfa_fcs_lport_s *port,
 183         enum bfa_fcs_lport_event event)
 184 {
 185         struct bfa_fcs_rport_s *rport;
 186         struct list_head                *qe, *qen;
 187
 188         bfa_trc(port->fcs, port->port_cfg.pwwn);
 189         bfa_trc(port->fcs, event);
 190
 191         switch (event) {
 192         case BFA_FCS_PORT_SM_OFFLINE:
 193                 bfa_sm_set_state(port, bfa_fcs_lport_sm_offline);
 194                 bfa_fcs_lport_offline_actions(port);
 195                 break;
 196
 197         case BFA_FCS_PORT_SM_STOP:
 198                 __port_action[port->fabric->fab_type].offline(port);
 199
 200                 if (port->num_rports == 0) {
 201                         bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 202                         /* If vport - send completion call back */
 203                         if (port->vport)
 204                                 bfa_fcs_vport_stop_comp(port->vport);
 205                         else
 206                                 bfa_wc_down(&(port->fabric->stop_wc));
 207                 } else {
 208                         bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
 209                         list_for_each_safe(qe, qen, &port->rport_q) {
 210                                 rport = (struct bfa_fcs_rport_s *) qe;
 211                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 212                         }
 213                 }
 214                 break;
 215
 216         case BFA_FCS_PORT_SM_DELETE:
 217
 218                 __port_action[port->fabric->fab_type].offline(port);
 219
 220                 if (port->num_rports == 0) {
 221                         bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 222                         bfa_fcs_lport_deleted(port);
 223                 } else {
 224                         bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
 225                         list_for_each_safe(qe, qen, &port->rport_q) {
 226                                 rport = (struct bfa_fcs_rport_s *) qe;
 227                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 228                         }
 229                 }
 230                 break;
 231
 232         case BFA_FCS_PORT_SM_DELRPORT:
 233                 break;
 234
 235         default:
 236                 bfa_sm_fault(port->fcs, event);
 237         }
 238 }
 239
 240 static void
 241 bfa_fcs_lport_sm_offline(
 242         struct bfa_fcs_lport_s *port,
 243         enum bfa_fcs_lport_event event)
 244 {
 245         struct bfa_fcs_rport_s *rport;
 246         struct list_head                *qe, *qen;
 247
 248         bfa_trc(port->fcs, port->port_cfg.pwwn);
 249         bfa_trc(port->fcs, event);
 250
 251         switch (event) {
 252         case BFA_FCS_PORT_SM_ONLINE:
 253                 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
 254                 bfa_fcs_lport_online_actions(port);
 255                 break;
 256
 257         case BFA_FCS_PORT_SM_STOP:
 258                 if (port->num_rports == 0) {
 259                         bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 260                         /* If vport - send completion call back */
 261                         if (port->vport)
 262                                 bfa_fcs_vport_stop_comp(port->vport);
 263                         else
 264                                 bfa_wc_down(&(port->fabric->stop_wc));
 265                 } else {
 266                         bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
 267                         list_for_each_safe(qe, qen, &port->rport_q) {
 268                                 rport = (struct bfa_fcs_rport_s *) qe;
 269                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 270                         }
 271                 }
 272                 break;
 273
 274         case BFA_FCS_PORT_SM_DELETE:
 275                 if (port->num_rports == 0) {
 276                         bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 277                         bfa_fcs_lport_deleted(port);
 278                 } else {
 279                         bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
 280                         list_for_each_safe(qe, qen, &port->rport_q) {
 281                                 rport = (struct bfa_fcs_rport_s *) qe;
 282                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 283                         }
 284                 }
 285                 break;
 286
 287         case BFA_FCS_PORT_SM_DELRPORT:
 288         case BFA_FCS_PORT_SM_OFFLINE:
 289                 break;
 290
 291         default:
 292                 bfa_sm_fault(port->fcs, event);
 293         }
 294 }
 295
 296 static void
 297 bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
 298                           enum bfa_fcs_lport_event event)
 299 {
 300         bfa_trc(port->fcs, port->port_cfg.pwwn);
 301         bfa_trc(port->fcs, event);
 302
 303         switch (event) {
 304         case BFA_FCS_PORT_SM_DELRPORT:
 305                 if (port->num_rports == 0) {
 306                         bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 307                         /* If vport - send completion call back */
 308                         if (port->vport)
 309                                 bfa_fcs_vport_stop_comp(port->vport);
 310                         else
 311                                 bfa_wc_down(&(port->fabric->stop_wc));
 312                 }
 313                 break;
 314
 315         default:
 316                 bfa_sm_fault(port->fcs, event);
 317         }
 318 }
 319
 320 static void
 321 bfa_fcs_lport_sm_deleting(
 322         struct bfa_fcs_lport_s *port,
 323         enum bfa_fcs_lport_event event)
 324 {
 325         bfa_trc(port->fcs, port->port_cfg.pwwn);
 326         bfa_trc(port->fcs, event);
 327
 328         switch (event) {
 329         case BFA_FCS_PORT_SM_DELRPORT:
 330                 if (port->num_rports == 0) {
 331                         bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 332                         bfa_fcs_lport_deleted(port);
 333                 }
 334                 break;
 335
 336         default:
 337                 bfa_sm_fault(port->fcs, event);
 338         }
 339 }
 340
 341 /*
 342  *  fcs_port_pvt
 343  */
 344
 345 /*
 346  * Send AEN notification
 347  */
 348 static void
 349 bfa_fcs_lport_aen_post(struct bfa_fcs_lport_s *port,
 350                         enum bfa_lport_aen_event event)
 351 {
 352         struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
 353         struct bfa_aen_entry_s  *aen_entry;
 354
 355         bfad_get_aen_entry(bfad, aen_entry);
 356         if (!aen_entry)
 357                 return;
 358
 359         aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
 360         aen_entry->aen_data.lport.roles = port->port_cfg.roles;
 361         aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
 362                                         bfa_fcs_get_base_port(port->fcs));
 363         aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
 364
 365         /* Send the AEN notification */
 366         bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
 367                                   BFA_AEN_CAT_LPORT, event);
 368 }
 369
 370 /*
 371  * Send a LS reject
 372  */
 373 static void
 374 bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
 375                          u8 reason_code, u8 reason_code_expl)
 376 {
 377         struct fchs_s   fchs;
 378         struct bfa_fcxp_s *fcxp;
 379         struct bfa_rport_s *bfa_rport = NULL;
 380         int             len;
 381
 382         bfa_trc(port->fcs, rx_fchs->d_id);
 383         bfa_trc(port->fcs, rx_fchs->s_id);
 384
 385         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 386         if (!fcxp)
 387                 return;
 388
 389         len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 390                               rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 391                               rx_fchs->ox_id, reason_code, reason_code_expl);
 392
 393         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 394                           BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 395                           FC_MAX_PDUSZ, 0);
 396 }
 397
 398 /*
 399  * Send a FCCT Reject
 400  */
 401 static void
 402 bfa_fcs_lport_send_fcgs_rjt(struct bfa_fcs_lport_s *port,
 403         struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl)
 404 {
 405         struct fchs_s   fchs;
 406         struct bfa_fcxp_s *fcxp;
 407         struct bfa_rport_s *bfa_rport = NULL;
 408         int             len;
 409         struct ct_hdr_s *rx_cthdr = (struct ct_hdr_s *)(rx_fchs + 1);
 410         struct ct_hdr_s *ct_hdr;
 411
 412         bfa_trc(port->fcs, rx_fchs->d_id);
 413         bfa_trc(port->fcs, rx_fchs->s_id);
 414
 415         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 416         if (!fcxp)
 417                 return;
 418
 419         ct_hdr = bfa_fcxp_get_reqbuf(fcxp);
 420         ct_hdr->gs_type = rx_cthdr->gs_type;
 421         ct_hdr->gs_sub_type = rx_cthdr->gs_sub_type;
 422
 423         len = fc_gs_rjt_build(&fchs, ct_hdr, rx_fchs->s_id,
 424                         bfa_fcs_lport_get_fcid(port),
 425                         rx_fchs->ox_id, reason_code, reason_code_expl);
 426
 427         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 428                         BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 429                         FC_MAX_PDUSZ, 0);
 430 }
 431
 432 /*
 433  * Process incoming plogi from a remote port.
 434  */
 435 static void
 436 bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
 437                 struct fchs_s *rx_fchs, struct fc_logi_s *plogi)
 438 {
 439         struct bfa_fcs_rport_s *rport;
 440
 441         bfa_trc(port->fcs, rx_fchs->d_id);
 442         bfa_trc(port->fcs, rx_fchs->s_id);
 443
 444         /*
 445          * If min cfg mode is enabled, drop any incoming PLOGIs
 446          */
 447         if (__fcs_min_cfg(port->fcs)) {
 448                 bfa_trc(port->fcs, rx_fchs->s_id);
 449                 return;
 450         }
 451
 452         if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) {
 453                 bfa_trc(port->fcs, rx_fchs->s_id);
 454                 /*
 455                  * send a LS reject
 456                  */
 457                 bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
 458                                         FC_LS_RJT_RSN_PROTOCOL_ERROR,
 459                                         FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS);
 460                 return;
 461         }
 462
 463         /*
 464          * Direct Attach P2P mode : verify address assigned by the r-port.
 465          */
 466         if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
 467                 (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
 468                            (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
 469                 if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) {
 470                         /* Address assigned to us cannot be a WKA */
 471                         bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
 472                                         FC_LS_RJT_RSN_PROTOCOL_ERROR,
 473                                         FC_LS_RJT_EXP_INVALID_NPORT_ID);
 474                         return;
 475                 }
 476                 port->pid  = rx_fchs->d_id;
 477                 bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
 478         }
 479
 480         /*
 481          * First, check if we know the device by pwwn.
 482          */
 483         rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name);
 484         if (rport) {
 485                 /*
 486                  * Direct Attach P2P mode : handle address assigned by r-port.
 487                  */
 488                 if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
 489                         (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
 490                         (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
 491                         port->pid  = rx_fchs->d_id;
 492                         bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
 493                         rport->pid = rx_fchs->s_id;
 494                 }
 495                 bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
 496                 return;
 497         }
 498
 499         /*
 500          * Next, lookup rport by PID.
 501          */
 502         rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id);
 503         if (!rport) {
 504                 /*
 505                  * Inbound PLOGI from a new device.
 506                  */
 507                 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
 508                 return;
 509         }
 510
 511         /*
 512          * Rport is known only by PID.
 513          */
 514         if (rport->pwwn) {
 515                 /*
 516                  * This is a different device with the same pid. Old device
 517                  * disappeared. Send implicit LOGO to old device.
 518                  */
 519                 WARN_ON(rport->pwwn == plogi->port_name);
 520                 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
 521
 522                 /*
 523                  * Inbound PLOGI from a new device (with old PID).
 524                  */
 525                 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
 526                 return;
 527         }
 528
 529         /*
 530          * PLOGI crossing each other.
 531          */
 532         WARN_ON(rport->pwwn != WWN_NULL);
 533         bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
 534 }
 535
 536 /*
 537  * Process incoming ECHO.
 538  * Since it does not require a login, it is processed here.
 539  */
 540 static void
 541 bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
 542                 struct fc_echo_s *echo, u16 rx_len)
 543 {
 544         struct fchs_s           fchs;
 545         struct bfa_fcxp_s       *fcxp;
 546         struct bfa_rport_s      *bfa_rport = NULL;
 547         int                     len, pyld_len;
 548
 549         bfa_trc(port->fcs, rx_fchs->s_id);
 550         bfa_trc(port->fcs, rx_fchs->d_id);
 551
 552         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 553         if (!fcxp)
 554                 return;
 555
 556         len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 557                                 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 558                                 rx_fchs->ox_id);
 559
 560         /*
 561          * Copy the payload (if any) from the echo frame
 562          */
 563         pyld_len = rx_len - sizeof(struct fchs_s);
 564         bfa_trc(port->fcs, rx_len);
 565         bfa_trc(port->fcs, pyld_len);
 566
 567         if (pyld_len > len)
 568                 memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) +
 569                         sizeof(struct fc_echo_s), (echo + 1),
 570                         (pyld_len - sizeof(struct fc_echo_s)));
 571
 572         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 573                         BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL,
 574                         FC_MAX_PDUSZ, 0);
 575 }
 576
 577 /*
 578  * Process incoming RNID.
 579  * Since it does not require a login, it is processed here.
 580  */
 581 static void
 582 bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
 583                 struct fc_rnid_cmd_s *rnid, u16 rx_len)
 584 {
 585         struct fc_rnid_common_id_data_s common_id_data;
 586         struct fc_rnid_general_topology_data_s gen_topo_data;
 587         struct fchs_s   fchs;
 588         struct bfa_fcxp_s *fcxp;
 589         struct bfa_rport_s *bfa_rport = NULL;
 590         u16     len;
 591         u32     data_format;
 592
 593         bfa_trc(port->fcs, rx_fchs->s_id);
 594         bfa_trc(port->fcs, rx_fchs->d_id);
 595         bfa_trc(port->fcs, rx_len);
 596
 597         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 598         if (!fcxp)
 599                 return;
 600
 601         /*
 602          * Check Node Indentification Data Format
 603          * We only support General Topology Discovery Format.
 604          * For any other requested Data Formats, we return Common Node Id Data
 605          * only, as per FC-LS.
 606          */
 607         bfa_trc(port->fcs, rnid->node_id_data_format);
 608         if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
 609                 data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY;
 610                 /*
 611                  * Get General topology data for this port
 612                  */
 613                 bfa_fs_port_get_gen_topo_data(port, &gen_topo_data);
 614         } else {
 615                 data_format = RNID_NODEID_DATA_FORMAT_COMMON;
 616         }
 617
 618         /*
 619          * Copy the Node Id Info
 620          */
 621         common_id_data.port_name = bfa_fcs_lport_get_pwwn(port);
 622         common_id_data.node_name = bfa_fcs_lport_get_nwwn(port);
 623
 624         len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 625                                 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 626                                 rx_fchs->ox_id, data_format, &common_id_data,
 627                                 &gen_topo_data);
 628
 629         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 630                         BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 631                         FC_MAX_PDUSZ, 0);
 632 }
 633
 634 /*
 635  *  Fill out General Topolpgy Discovery Data for RNID ELS.
 636  */
 637 static void
 638 bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
 639                         struct fc_rnid_general_topology_data_s *gen_topo_data)
 640 {
 641         memset(gen_topo_data, 0,
 642                       sizeof(struct fc_rnid_general_topology_data_s));
 643
 644         gen_topo_data->asso_type = cpu_to_be32(RNID_ASSOCIATED_TYPE_HOST);
 645         gen_topo_data->phy_port_num = 0;        /* @todo */
 646         gen_topo_data->num_attached_nodes = cpu_to_be32(1);
 647 }
 648
 649 static void
 650 bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port)
 651 {
 652         struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
 653         char    lpwwn_buf[BFA_STRING_32];
 654
 655         bfa_trc(port->fcs, port->fabric->oper_type);
 656
 657         __port_action[port->fabric->fab_type].init(port);
 658         __port_action[port->fabric->fab_type].online(port);
 659
 660         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
 661         BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
 662                 "Logical port online: WWN = %s Role = %s\n",
 663                 lpwwn_buf, "Initiator");
 664         bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_ONLINE);
 665
 666         bfad->bfad_flags |= BFAD_PORT_ONLINE;
 667 }
 668
 669 static void
 670 bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port)
 671 {
 672         struct list_head        *qe, *qen;
 673         struct bfa_fcs_rport_s *rport;
 674         struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
 675         char    lpwwn_buf[BFA_STRING_32];
 676
 677         bfa_trc(port->fcs, port->fabric->oper_type);
 678
 679         __port_action[port->fabric->fab_type].offline(port);
 680
 681         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
 682         if (bfa_sm_cmp_state(port->fabric,
 683                         bfa_fcs_fabric_sm_online) == BFA_TRUE) {
 684                 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
 685                 "Logical port lost fabric connectivity: WWN = %s Role = %s\n",
 686                 lpwwn_buf, "Initiator");
 687                 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DISCONNECT);
 688         } else {
 689                 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
 690                 "Logical port taken offline: WWN = %s Role = %s\n",
 691                 lpwwn_buf, "Initiator");
 692                 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_OFFLINE);
 693         }
 694
 695         list_for_each_safe(qe, qen, &port->rport_q) {
 696                 rport = (struct bfa_fcs_rport_s *) qe;
 697                 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
 698         }
 699 }
 700
 701 static void
 702 bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port)
 703 {
 704         WARN_ON(1);
 705 }
 706
 707 static void
 708 bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port)
 709 {
 710         WARN_ON(1);
 711 }
 712
 713 static void
 714 bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port)
 715 {
 716         WARN_ON(1);
 717 }
 718
 719 static void
 720 bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs)
 721 {
 722         struct fchs_s fchs;
 723         struct bfa_fcxp_s *fcxp;
 724         int             len;
 725
 726         bfa_trc(port->fcs, rx_fchs->d_id);
 727         bfa_trc(port->fcs, rx_fchs->s_id);
 728
 729         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 730         if (!fcxp)
 731                 return;
 732
 733         len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 734                         rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 735                         rx_fchs->ox_id, 0);
 736
 737         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
 738                           BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 739                           FC_MAX_PDUSZ, 0);
 740 }
 741 static void
 742 bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port)
 743 {
 744         struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
 745         char    lpwwn_buf[BFA_STRING_32];
 746
 747         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
 748         BFA_LOG(KERN_INFO, bfad, bfa_log_level,
 749                 "Logical port deleted: WWN = %s Role = %s\n",
 750                 lpwwn_buf, "Initiator");
 751         bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DELETE);
 752
 753         /* Base port will be deleted by the OS driver */
 754         if (port->vport)
 755                 bfa_fcs_vport_delete_comp(port->vport);
 756         else
 757                 bfa_wc_down(&port->fabric->wc);
 758 }
 759
 760
 761 /*
 762  * Unsolicited frame receive handling.
 763  */
 764 void
 765 bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport,
 766                         struct fchs_s *fchs, u16 len)
 767 {
 768         u32     pid = fchs->s_id;
 769         struct bfa_fcs_rport_s *rport = NULL;
 770         struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
 771
 772         bfa_stats(lport, uf_recvs);
 773         bfa_trc(lport->fcs, fchs->type);
 774
 775         if (!bfa_fcs_lport_is_online(lport)) {
 776                 bfa_stats(lport, uf_recv_drops);
 777                 return;
 778         }
 779
 780         /*
 781          * First, handle ELSs that donot require a login.
 782          */
 783         /*
 784          * Handle PLOGI first
 785          */
 786         if ((fchs->type == FC_TYPE_ELS) &&
 787                 (els_cmd->els_code == FC_ELS_PLOGI)) {
 788                 bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd);
 789                 return;
 790         }
 791
 792         /*
 793          * Handle ECHO separately.
 794          */
 795         if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) {
 796                 bfa_fcs_lport_echo(lport, fchs,
 797                                 (struct fc_echo_s *)els_cmd, len);
 798                 return;
 799         }
 800
 801         /*
 802          * Handle RNID separately.
 803          */
 804         if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) {
 805                 bfa_fcs_lport_rnid(lport, fchs,
 806                         (struct fc_rnid_cmd_s *) els_cmd, len);
 807                 return;
 808         }
 809
 810         if (fchs->type == FC_TYPE_BLS) {
 811                 if ((fchs->routing == FC_RTG_BASIC_LINK) &&
 812                                 (fchs->cat_info == FC_CAT_ABTS))
 813                         bfa_fcs_lport_abts_acc(lport, fchs);
 814                 return;
 815         }
 816
 817         if (fchs->type == FC_TYPE_SERVICES) {
 818                 /*
 819                  * Unhandled FC-GS frames. Send a FC-CT Reject
 820                  */
 821                 bfa_fcs_lport_send_fcgs_rjt(lport, fchs, CT_RSN_NOT_SUPP,
 822                                 CT_NS_EXP_NOADDITIONAL);
 823                 return;
 824         }
 825
 826         /*
 827          * look for a matching remote port ID
 828          */
 829         rport = bfa_fcs_lport_get_rport_by_pid(lport, pid);
 830         if (rport) {
 831                 bfa_trc(rport->fcs, fchs->s_id);
 832                 bfa_trc(rport->fcs, fchs->d_id);
 833                 bfa_trc(rport->fcs, fchs->type);
 834
 835                 bfa_fcs_rport_uf_recv(rport, fchs, len);
 836                 return;
 837         }
 838
 839         /*
 840          * Only handles ELS frames for now.
 841          */
 842         if (fchs->type != FC_TYPE_ELS) {
 843                 bfa_trc(lport->fcs, fchs->s_id);
 844                 bfa_trc(lport->fcs, fchs->d_id);
 845                 /* ignore type FC_TYPE_FC_FSS */
 846                 if (fchs->type != FC_TYPE_FC_FSS)
 847                         bfa_sm_fault(lport->fcs, fchs->type);
 848                 return;
 849         }
 850
 851         bfa_trc(lport->fcs, els_cmd->els_code);
 852         if (els_cmd->els_code == FC_ELS_RSCN) {
 853                 bfa_fcs_lport_scn_process_rscn(lport, fchs, len);
 854                 return;
 855         }
 856
 857         if (els_cmd->els_code == FC_ELS_LOGO) {
 858                 /*
 859                  * @todo Handle LOGO frames received.
 860                  */
 861                 return;
 862         }
 863
 864         if (els_cmd->els_code == FC_ELS_PRLI) {
 865                 /*
 866                  * @todo Handle PRLI frames received.
 867                  */
 868                 return;
 869         }
 870
 871         /*
 872          * Unhandled ELS frames. Send a LS_RJT.
 873          */
 874         bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
 875                                  FC_LS_RJT_EXP_NO_ADDL_INFO);
 876
 877 }
 878
 879 /*
 880  *   PID based Lookup for a R-Port in the Port R-Port Queue
 881  */
 882 struct bfa_fcs_rport_s *
 883 bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid)
 884 {
 885         struct bfa_fcs_rport_s *rport;
 886         struct list_head        *qe;
 887
 888         list_for_each(qe, &port->rport_q) {
 889                 rport = (struct bfa_fcs_rport_s *) qe;
 890                 if (rport->pid == pid)
 891                         return rport;
 892         }
 893
 894         bfa_trc(port->fcs, pid);
 895         return NULL;
 896 }
 897
 898 /*
 899  * OLD_PID based Lookup for a R-Port in the Port R-Port Queue
 900  */
 901 struct bfa_fcs_rport_s *
 902 bfa_fcs_lport_get_rport_by_old_pid(struct bfa_fcs_lport_s *port, u32 pid)
 903 {
 904         struct bfa_fcs_rport_s *rport;
 905         struct list_head        *qe;
 906
 907         list_for_each(qe, &port->rport_q) {
 908                 rport = (struct bfa_fcs_rport_s *) qe;
 909                 if (rport->old_pid == pid)
 910                         return rport;
 911         }
 912
 913         bfa_trc(port->fcs, pid);
 914         return NULL;
 915 }
 916
 917 /*
 918  *   PWWN based Lookup for a R-Port in the Port R-Port Queue
 919  */
 920 struct bfa_fcs_rport_s *
 921 bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn)
 922 {
 923         struct bfa_fcs_rport_s *rport;
 924         struct list_head        *qe;
 925
 926         list_for_each(qe, &port->rport_q) {
 927                 rport = (struct bfa_fcs_rport_s *) qe;
 928                 if (wwn_is_equal(rport->pwwn, pwwn))
 929                         return rport;
 930         }
 931
 932         bfa_trc(port->fcs, pwwn);
 933         return NULL;
 934 }
 935
 936 /*
 937  *   NWWN based Lookup for a R-Port in the Port R-Port Queue
 938  */
 939 struct bfa_fcs_rport_s *
 940 bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn)
 941 {
 942         struct bfa_fcs_rport_s *rport;
 943         struct list_head        *qe;
 944
 945         list_for_each(qe, &port->rport_q) {
 946                 rport = (struct bfa_fcs_rport_s *) qe;
 947                 if (wwn_is_equal(rport->nwwn, nwwn))
 948                         return rport;
 949         }
 950
 951         bfa_trc(port->fcs, nwwn);
 952         return NULL;
 953 }
 954
 955 /*
 956  * PWWN & PID based Lookup for a R-Port in the Port R-Port Queue
 957  */
 958 struct bfa_fcs_rport_s *
 959 bfa_fcs_lport_get_rport_by_qualifier(struct bfa_fcs_lport_s *port,
 960                                      wwn_t pwwn, u32 pid)
 961 {
 962         struct bfa_fcs_rport_s *rport;
 963         struct list_head        *qe;
 964
 965         list_for_each(qe, &port->rport_q) {
 966                 rport = (struct bfa_fcs_rport_s *) qe;
 967                 if (wwn_is_equal(rport->pwwn, pwwn) && rport->pid == pid)
 968                         return rport;
 969         }
 970
 971         bfa_trc(port->fcs, pwwn);
 972         return NULL;
 973 }
 974
 975 /*
 976  * Called by rport module when new rports are discovered.
 977  */
 978 void
 979 bfa_fcs_lport_add_rport(
 980         struct bfa_fcs_lport_s *port,
 981         struct bfa_fcs_rport_s *rport)
 982 {
 983         list_add_tail(&rport->qe, &port->rport_q);
 984         port->num_rports++;
 985 }
 986
 987 /*
 988  * Called by rport module to when rports are deleted.
 989  */
 990 void
 991 bfa_fcs_lport_del_rport(
 992         struct bfa_fcs_lport_s *port,
 993         struct bfa_fcs_rport_s *rport)
 994 {
 995         WARN_ON(!bfa_q_is_on_q(&port->rport_q, rport));
 996         list_del(&rport->qe);
 997         port->num_rports--;
 998
 999         bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
1000 }
1001
1002 /*
1003  * Called by fabric for base port when fabric login is complete.
1004  * Called by vport for virtual ports when FDISC is complete.
1005  */
1006 void
1007 bfa_fcs_lport_online(struct bfa_fcs_lport_s *port)
1008 {
1009         bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
1010 }
1011
1012 /*
1013  * Called by fabric for base port when fabric goes offline.
1014  * Called by vport for virtual ports when virtual port becomes offline.
1015  */
1016 void
1017 bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
1018 {
1019         bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
1020 }
1021
1022 /*
1023  * Called by fabric for base port and by vport for virtual ports
1024  * when target mode driver is unloaded.
1025  */
1026 void
1027 bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port)
1028 {
1029         bfa_sm_send_event(port, BFA_FCS_PORT_SM_STOP);
1030 }
1031
1032 /*
1033  * Called by fabric to delete base lport and associated resources.
1034  *
1035  * Called by vport to delete lport and associated resources. Should call
1036  * bfa_fcs_vport_delete_comp() for vports on completion.
1037  */
1038 void
1039 bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port)
1040 {
1041         bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
1042 }
1043
1044 /*
1045  * Return TRUE if port is online, else return FALSE
1046  */
1047 bfa_boolean_t
1048 bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
1049 {
1050         return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
1051 }
1052
1053 /*
1054   * Attach time initialization of logical ports.
1055  */
1056 void
1057 bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
1058                    u16 vf_id, struct bfa_fcs_vport_s *vport)
1059 {
1060         lport->fcs = fcs;
1061         lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
1062         lport->vport = vport;
1063         lport->lp_tag = (vport) ? vport->lps->bfa_tag :
1064                                   lport->fabric->lps->bfa_tag;
1065
1066         INIT_LIST_HEAD(&lport->rport_q);
1067         lport->num_rports = 0;
1068 }
1069
1070 /*
1071  * Logical port initialization of base or virtual port.
1072  * Called by fabric for base port or by vport for virtual ports.
1073  */
1074
1075 void
1076 bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
1077         struct bfa_lport_cfg_s *port_cfg)
1078 {
1079         struct bfa_fcs_vport_s *vport = lport->vport;
1080         struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad;
1081         char    lpwwn_buf[BFA_STRING_32];
1082
1083         lport->port_cfg = *port_cfg;
1084
1085         lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport,
1086                                         lport->port_cfg.roles,
1087                                         lport->fabric->vf_drv,
1088                                         vport ? vport->vport_drv : NULL);
1089
1090         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport));
1091         BFA_LOG(KERN_INFO, bfad, bfa_log_level,
1092                 "New logical port created: WWN = %s Role = %s\n",
1093                 lpwwn_buf, "Initiator");
1094         bfa_fcs_lport_aen_post(lport, BFA_LPORT_AEN_NEW);
1095
1096         bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
1097         bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
1098 }
1099
1100 /*
1101  *  fcs_lport_api
1102  */
1103
1104 void
1105 bfa_fcs_lport_get_attr(
1106         struct bfa_fcs_lport_s *port,
1107         struct bfa_lport_attr_s *port_attr)
1108 {
1109         if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
1110                 port_attr->pid = port->pid;
1111         else
1112                 port_attr->pid = 0;
1113
1114         port_attr->port_cfg = port->port_cfg;
1115
1116         if (port->fabric) {
1117                 port_attr->port_type = port->fabric->oper_type;
1118                 port_attr->loopback = bfa_sm_cmp_state(port->fabric,
1119                                 bfa_fcs_fabric_sm_loopback);
1120                 port_attr->authfail =
1121                         bfa_sm_cmp_state(port->fabric,
1122                                 bfa_fcs_fabric_sm_auth_failed);
1123                 port_attr->fabric_name  = bfa_fcs_lport_get_fabric_name(port);
1124                 memcpy(port_attr->fabric_ip_addr,
1125                         bfa_fcs_lport_get_fabric_ipaddr(port),
1126                         BFA_FCS_FABRIC_IPADDR_SZ);
1127
1128                 if (port->vport != NULL) {
1129                         port_attr->port_type = BFA_PORT_TYPE_VPORT;
1130                         port_attr->fpma_mac =
1131                                 port->vport->lps->lp_mac;
1132                 } else {
1133                         port_attr->fpma_mac =
1134                                 port->fabric->lps->lp_mac;
1135                 }
1136         } else {
1137                 port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
1138                 port_attr->state = BFA_LPORT_UNINIT;
1139         }
1140 }
1141
1142 /*
1143  *  bfa_fcs_lport_fab port fab functions
1144  */
1145
1146 /*
1147  *   Called by port to initialize fabric services of the base port.
1148  */
1149 static void
1150 bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
1151 {
1152         bfa_fcs_lport_ns_init(port);
1153         bfa_fcs_lport_scn_init(port);
1154         bfa_fcs_lport_ms_init(port);
1155 }
1156
1157 /*
1158  *   Called by port to notify transition to online state.
1159  */
1160 static void
1161 bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
1162 {
1163         bfa_fcs_lport_ns_online(port);
1164         bfa_fcs_lport_fab_scn_online(port);
1165 }
1166
1167 /*
1168  *   Called by port to notify transition to offline state.
1169  */
1170 static void
1171 bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
1172 {
1173         bfa_fcs_lport_ns_offline(port);
1174         bfa_fcs_lport_scn_offline(port);
1175         bfa_fcs_lport_ms_offline(port);
1176 }
1177
1178 /*
1179  *  bfa_fcs_lport_n2n  functions
1180  */
1181
1182 /*
1183  *   Called by fcs/port to initialize N2N topology.
1184  */
1185 static void
1186 bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
1187 {
1188 }
1189
1190 /*
1191  *   Called by fcs/port to notify transition to online state.
1192  */
1193 static void
1194 bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
1195 {
1196         struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1197         struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
1198         struct bfa_fcs_rport_s *rport;
1199
1200         bfa_trc(port->fcs, pcfg->pwwn);
1201
1202         /*
1203          * If our PWWN is > than that of the r-port, we have to initiate PLOGI
1204          * and assign an Address. if not, we need to wait for its PLOGI.
1205          *
1206          * If our PWWN is < than that of the remote port, it will send a PLOGI
1207          * with the PIDs assigned. The rport state machine take care of this
1208          * incoming PLOGI.
1209          */
1210         if (memcmp
1211             ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
1212              sizeof(wwn_t)) > 0) {
1213                 port->pid = N2N_LOCAL_PID;
1214                 bfa_lps_set_n2n_pid(port->fabric->lps, N2N_LOCAL_PID);
1215                 /*
1216                  * First, check if we know the device by pwwn.
1217                  */
1218                 rport = bfa_fcs_lport_get_rport_by_pwwn(port,
1219                                                         n2n_port->rem_port_wwn);
1220                 if (rport) {
1221                         bfa_trc(port->fcs, rport->pid);
1222                         bfa_trc(port->fcs, rport->pwwn);
1223                         rport->pid = N2N_REMOTE_PID;
1224                         bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
1225                         return;
1226                 }
1227
1228                 /*
1229                  * In n2n there can be only one rport. Delete the old one
1230                  * whose pid should be zero, because it is offline.
1231                  */
1232                 if (port->num_rports > 0) {
1233                         rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
1234                         WARN_ON(rport == NULL);
1235                         if (rport) {
1236                                 bfa_trc(port->fcs, rport->pwwn);
1237                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
1238                         }
1239                 }
1240                 bfa_fcs_rport_create(port, N2N_REMOTE_PID);
1241         }
1242 }
1243
1244 /*
1245  *   Called by fcs/port to notify transition to offline state.
1246  */
1247 static void
1248 bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
1249 {
1250         struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1251
1252         bfa_trc(port->fcs, port->pid);
1253         port->pid = 0;
1254         n2n_port->rem_port_wwn = 0;
1255         n2n_port->reply_oxid = 0;
1256 }
1257
1258 void
1259 bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
1260 {
1261         int i = 0, j = 0, bit = 0, alpa_bit = 0;
1262         u8 k = 0;
1263         struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(port->fcs->bfa);
1264
1265         port->port_topo.ploop.alpabm_valid = fcport->alpabm_valid;
1266         port->pid = fcport->myalpa;
1267         port->pid = bfa_hton3b(port->pid);
1268
1269         for (i = 0; i < (FC_ALPA_MAX / 8); i++) {
1270                 for (j = 0, alpa_bit = 0; j < 8; j++, alpa_bit++) {
1271                         bfa_trc(port->fcs->bfa, fcport->alpabm.alpa_bm[i]);
1272                         bit = (fcport->alpabm.alpa_bm[i] & (1 << (7 - j)));
1273                         if (bit) {
1274                                 port->port_topo.ploop.alpa_pos_map[k] =
1275                                         loop_alpa_map[(i * 8) + alpa_bit];
1276                                 k++;
1277                                 bfa_trc(port->fcs->bfa, k);
1278                                 bfa_trc(port->fcs->bfa,
1279                                          port->port_topo.ploop.alpa_pos_map[k]);
1280                         }
1281                 }
1282         }
1283         port->port_topo.ploop.num_alpa = k;
1284 }
1285
1286 /*
1287  * Called by fcs/port to initialize Loop topology.
1288  */
1289 static void
1290 bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port)
1291 {
1292 }
1293
1294 /*
1295  * Called by fcs/port to notify transition to online state.
1296  */
1297 static void
1298 bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port)
1299 {
1300         u8 num_alpa = 0, alpabm_valid = 0;
1301         struct bfa_fcs_rport_s *rport;
1302         u8 *alpa_map = NULL;
1303         int i = 0;
1304         u32 pid;
1305
1306         bfa_fcport_get_loop_attr(port);
1307
1308         num_alpa = port->port_topo.ploop.num_alpa;
1309         alpabm_valid = port->port_topo.ploop.alpabm_valid;
1310         alpa_map = port->port_topo.ploop.alpa_pos_map;
1311
1312         bfa_trc(port->fcs->bfa, port->pid);
1313         bfa_trc(port->fcs->bfa, num_alpa);
1314         if (alpabm_valid == 1) {
1315                 for (i = 0; i < num_alpa; i++) {
1316                         bfa_trc(port->fcs->bfa, alpa_map[i]);
1317                         if (alpa_map[i] != bfa_hton3b(port->pid)) {
1318                                 pid = alpa_map[i];
1319                                 bfa_trc(port->fcs->bfa, pid);
1320                                 rport = bfa_fcs_lport_get_rport_by_pid(port,
1321                                                 bfa_hton3b(pid));
1322                                 if (!rport)
1323                                         rport = bfa_fcs_rport_create(port,
1324                                                 bfa_hton3b(pid));
1325                         }
1326                 }
1327         } else {
1328                 for (i = 0; i < MAX_ALPA_COUNT; i++) {
1329                         if (alpa_map[i] != port->pid) {
1330                                 pid = loop_alpa_map[i];
1331                                 bfa_trc(port->fcs->bfa, pid);
1332                                 rport = bfa_fcs_lport_get_rport_by_pid(port,
1333                                                 bfa_hton3b(pid));
1334                                 if (!rport)
1335                                         rport = bfa_fcs_rport_create(port,
1336                                                 bfa_hton3b(pid));
1337                         }
1338                 }
1339         }
1340 }
1341
1342 /*
1343  * Called by fcs/port to notify transition to offline state.
1344  */
1345 static void
1346 bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port)
1347 {
1348 }
1349
1350 #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
1351
1352 /*
1353  * forward declarations
1354  */
1355 static void     bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
1356                                             struct bfa_fcxp_s *fcxp_alloced);
1357 static void     bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
1358                                             struct bfa_fcxp_s *fcxp_alloced);
1359 static void     bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
1360                                            struct bfa_fcxp_s *fcxp_alloced);
1361 static void     bfa_fcs_lport_fdmi_rhba_response(void *fcsarg,
1362                                                 struct bfa_fcxp_s *fcxp,
1363                                                 void *cbarg,
1364                                                 bfa_status_t req_status,
1365                                                 u32 rsp_len,
1366                                                 u32 resid_len,
1367                                                 struct fchs_s *rsp_fchs);
1368 static void     bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
1369                                                 struct bfa_fcxp_s *fcxp,
1370                                                 void *cbarg,
1371                                                 bfa_status_t req_status,
1372                                                 u32 rsp_len,
1373                                                 u32 resid_len,
1374                                                 struct fchs_s *rsp_fchs);
1375 static void     bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
1376                                                struct bfa_fcxp_s *fcxp,
1377                                                void *cbarg,
1378                                                bfa_status_t req_status,
1379                                                u32 rsp_len,
1380                                                u32 resid_len,
1381                                                struct fchs_s *rsp_fchs);
1382 static void     bfa_fcs_lport_fdmi_timeout(void *arg);
1383 static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1384                                                   u8 *pyld);
1385 static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1386                                                   u8 *pyld);
1387 static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1388                                                  u8 *pyld);
1389 static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
1390                                                        fdmi, u8 *pyld);
1391 static void     bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1392                                  struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
1393 static void     bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1394                                   struct bfa_fcs_fdmi_port_attr_s *port_attr);
1395 u32     bfa_fcs_fdmi_convert_speed(enum bfa_port_speed pport_speed);
1396
1397 /*
1398  *  fcs_fdmi_sm FCS FDMI state machine
1399  */
1400
1401 /*
1402  *  FDMI State Machine events
1403  */
1404 enum port_fdmi_event {
1405         FDMISM_EVENT_PORT_ONLINE = 1,
1406         FDMISM_EVENT_PORT_OFFLINE = 2,
1407         FDMISM_EVENT_RSP_OK = 4,
1408         FDMISM_EVENT_RSP_ERROR = 5,
1409         FDMISM_EVENT_TIMEOUT = 6,
1410         FDMISM_EVENT_RHBA_SENT = 7,
1411         FDMISM_EVENT_RPRT_SENT = 8,
1412         FDMISM_EVENT_RPA_SENT = 9,
1413 };
1414
1415 static void     bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1416                                              enum port_fdmi_event event);
1417 static void     bfa_fcs_lport_fdmi_sm_sending_rhba(
1418                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1419                                 enum port_fdmi_event event);
1420 static void     bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1421                                           enum port_fdmi_event event);
1422 static void     bfa_fcs_lport_fdmi_sm_rhba_retry(
1423                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1424                                 enum port_fdmi_event event);
1425 static void     bfa_fcs_lport_fdmi_sm_sending_rprt(
1426                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1427                                 enum port_fdmi_event event);
1428 static void     bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1429                                           enum port_fdmi_event event);
1430 static void     bfa_fcs_lport_fdmi_sm_rprt_retry(
1431                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1432                                 enum port_fdmi_event event);
1433 static void     bfa_fcs_lport_fdmi_sm_sending_rpa(
1434                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1435                                 enum port_fdmi_event event);
1436 static void     bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1437                                          enum port_fdmi_event event);
1438 static void     bfa_fcs_lport_fdmi_sm_rpa_retry(
1439                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1440                                 enum port_fdmi_event event);
1441 static void     bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1442                                             enum port_fdmi_event event);
1443 static void     bfa_fcs_lport_fdmi_sm_disabled(
1444                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1445                                 enum port_fdmi_event event);
1446 /*
1447  *      Start in offline state - awaiting MS to send start.
1448  */
1449 static void
1450 bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1451                              enum port_fdmi_event event)
1452 {
1453         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1454
1455         bfa_trc(port->fcs, port->port_cfg.pwwn);
1456         bfa_trc(port->fcs, event);
1457
1458         fdmi->retry_cnt = 0;
1459
1460         switch (event) {
1461         case FDMISM_EVENT_PORT_ONLINE:
1462                 if (port->vport) {
1463                         /*
1464                          * For Vports, register a new port.
1465                          */
1466                         bfa_sm_set_state(fdmi,
1467                                          bfa_fcs_lport_fdmi_sm_sending_rprt);
1468                         bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1469                 } else {
1470                         /*
1471                          * For a base port, we should first register the HBA
1472                          * attribute. The HBA attribute also contains the base
1473                          *  port registration.
1474                          */
1475                         bfa_sm_set_state(fdmi,
1476                                          bfa_fcs_lport_fdmi_sm_sending_rhba);
1477                         bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1478                 }
1479                 break;
1480
1481         case FDMISM_EVENT_PORT_OFFLINE:
1482                 break;
1483
1484         default:
1485                 bfa_sm_fault(port->fcs, event);
1486         }
1487 }
1488
1489 static void
1490 bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1491                                   enum port_fdmi_event event)
1492 {
1493         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1494
1495         bfa_trc(port->fcs, port->port_cfg.pwwn);
1496         bfa_trc(port->fcs, event);
1497
1498         switch (event) {
1499         case FDMISM_EVENT_RHBA_SENT:
1500                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
1501                 break;
1502
1503         case FDMISM_EVENT_PORT_OFFLINE:
1504                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1505                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1506                                            &fdmi->fcxp_wqe);
1507                 break;
1508
1509         default:
1510                 bfa_sm_fault(port->fcs, event);
1511         }
1512 }
1513
1514 static void
1515 bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1516                         enum port_fdmi_event event)
1517 {
1518         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1519
1520         bfa_trc(port->fcs, port->port_cfg.pwwn);
1521         bfa_trc(port->fcs, event);
1522
1523         switch (event) {
1524         case FDMISM_EVENT_RSP_ERROR:
1525                 /*
1526                  * if max retries have not been reached, start timer for a
1527                  * delayed retry
1528                  */
1529                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1530                         bfa_sm_set_state(fdmi,
1531                                         bfa_fcs_lport_fdmi_sm_rhba_retry);
1532                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1533                                             &fdmi->timer,
1534                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1535                                             BFA_FCS_RETRY_TIMEOUT);
1536                 } else {
1537                         /*
1538                          * set state to offline
1539                          */
1540                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1541                 }
1542                 break;
1543
1544         case FDMISM_EVENT_RSP_OK:
1545                 /*
1546                  * Initiate Register Port Attributes
1547                  */
1548                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1549                 fdmi->retry_cnt = 0;
1550                 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1551                 break;
1552
1553         case FDMISM_EVENT_PORT_OFFLINE:
1554                 bfa_fcxp_discard(fdmi->fcxp);
1555                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1556                 break;
1557
1558         default:
1559                 bfa_sm_fault(port->fcs, event);
1560         }
1561 }
1562
1563 static void
1564 bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1565                                 enum port_fdmi_event event)
1566 {
1567         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1568
1569         bfa_trc(port->fcs, port->port_cfg.pwwn);
1570         bfa_trc(port->fcs, event);
1571
1572         switch (event) {
1573         case FDMISM_EVENT_TIMEOUT:
1574                 /*
1575                  * Retry Timer Expired. Re-send
1576                  */
1577                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
1578                 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1579                 break;
1580
1581         case FDMISM_EVENT_PORT_OFFLINE:
1582                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1583                 bfa_timer_stop(&fdmi->timer);
1584                 break;
1585
1586         default:
1587                 bfa_sm_fault(port->fcs, event);
1588         }
1589 }
1590
1591 /*
1592 * RPRT : Register Port
1593  */
1594 static void
1595 bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1596                                   enum port_fdmi_event event)
1597 {
1598         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1599
1600         bfa_trc(port->fcs, port->port_cfg.pwwn);
1601         bfa_trc(port->fcs, event);
1602
1603         switch (event) {
1604         case FDMISM_EVENT_RPRT_SENT:
1605                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
1606                 break;
1607
1608         case FDMISM_EVENT_PORT_OFFLINE:
1609                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1610                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1611                                            &fdmi->fcxp_wqe);
1612                 break;
1613
1614         default:
1615                 bfa_sm_fault(port->fcs, event);
1616         }
1617 }
1618
1619 static void
1620 bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1621                         enum port_fdmi_event event)
1622 {
1623         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1624
1625         bfa_trc(port->fcs, port->port_cfg.pwwn);
1626         bfa_trc(port->fcs, event);
1627
1628         switch (event) {
1629         case FDMISM_EVENT_RSP_ERROR:
1630                 /*
1631                  * if max retries have not been reached, start timer for a
1632                  * delayed retry
1633                  */
1634                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1635                         bfa_sm_set_state(fdmi,
1636                                         bfa_fcs_lport_fdmi_sm_rprt_retry);
1637                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1638                                             &fdmi->timer,
1639                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1640                                             BFA_FCS_RETRY_TIMEOUT);
1641
1642                 } else {
1643                         /*
1644                          * set state to offline
1645                          */
1646                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1647                         fdmi->retry_cnt = 0;
1648                 }
1649                 break;
1650
1651         case FDMISM_EVENT_RSP_OK:
1652                 fdmi->retry_cnt = 0;
1653                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1654                 break;
1655
1656         case FDMISM_EVENT_PORT_OFFLINE:
1657                 bfa_fcxp_discard(fdmi->fcxp);
1658                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1659                 break;
1660
1661         default:
1662                 bfa_sm_fault(port->fcs, event);
1663         }
1664 }
1665
1666 static void
1667 bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1668                                 enum port_fdmi_event event)
1669 {
1670         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1671
1672         bfa_trc(port->fcs, port->port_cfg.pwwn);
1673         bfa_trc(port->fcs, event);
1674
1675         switch (event) {
1676         case FDMISM_EVENT_TIMEOUT:
1677                 /*
1678                  * Retry Timer Expired. Re-send
1679                  */
1680                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
1681                 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1682                 break;
1683
1684         case FDMISM_EVENT_PORT_OFFLINE:
1685                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1686                 bfa_timer_stop(&fdmi->timer);
1687                 break;
1688
1689         default:
1690                 bfa_sm_fault(port->fcs, event);
1691         }
1692 }
1693
1694 /*
1695  * Register Port Attributes
1696  */
1697 static void
1698 bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1699                                  enum port_fdmi_event event)
1700 {
1701         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1702
1703         bfa_trc(port->fcs, port->port_cfg.pwwn);
1704         bfa_trc(port->fcs, event);
1705
1706         switch (event) {
1707         case FDMISM_EVENT_RPA_SENT:
1708                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
1709                 break;
1710
1711         case FDMISM_EVENT_PORT_OFFLINE:
1712                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1713                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1714                                            &fdmi->fcxp_wqe);
1715                 break;
1716
1717         default:
1718                 bfa_sm_fault(port->fcs, event);
1719         }
1720 }
1721
1722 static void
1723 bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1724                         enum port_fdmi_event event)
1725 {
1726         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1727
1728         bfa_trc(port->fcs, port->port_cfg.pwwn);
1729         bfa_trc(port->fcs, event);
1730
1731         switch (event) {
1732         case FDMISM_EVENT_RSP_ERROR:
1733                 /*
1734                  * if max retries have not been reached, start timer for a
1735                  * delayed retry
1736                  */
1737                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1738                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry);
1739                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1740                                             &fdmi->timer,
1741                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1742                                             BFA_FCS_RETRY_TIMEOUT);
1743                 } else {
1744                         /*
1745                          * set state to offline
1746                          */
1747                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1748                         fdmi->retry_cnt = 0;
1749                 }
1750                 break;
1751
1752         case FDMISM_EVENT_RSP_OK:
1753                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1754                 fdmi->retry_cnt = 0;
1755                 break;
1756
1757         case FDMISM_EVENT_PORT_OFFLINE:
1758                 bfa_fcxp_discard(fdmi->fcxp);
1759                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1760                 break;
1761
1762         default:
1763                 bfa_sm_fault(port->fcs, event);
1764         }
1765 }
1766
1767 static void
1768 bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1769                                enum port_fdmi_event event)
1770 {
1771         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1772
1773         bfa_trc(port->fcs, port->port_cfg.pwwn);
1774         bfa_trc(port->fcs, event);
1775
1776         switch (event) {
1777         case FDMISM_EVENT_TIMEOUT:
1778                 /*
1779                  * Retry Timer Expired. Re-send
1780                  */
1781                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1782                 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1783                 break;
1784
1785         case FDMISM_EVENT_PORT_OFFLINE:
1786                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1787                 bfa_timer_stop(&fdmi->timer);
1788                 break;
1789
1790         default:
1791                 bfa_sm_fault(port->fcs, event);
1792         }
1793 }
1794
1795 static void
1796 bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1797                                 enum port_fdmi_event event)
1798 {
1799         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1800
1801         bfa_trc(port->fcs, port->port_cfg.pwwn);
1802         bfa_trc(port->fcs, event);
1803
1804         switch (event) {
1805         case FDMISM_EVENT_PORT_OFFLINE:
1806                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1807                 break;
1808
1809         default:
1810                 bfa_sm_fault(port->fcs, event);
1811         }
1812 }
1813 /*
1814  *  FDMI is disabled state.
1815  */
1816 static void
1817 bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
1818                              enum port_fdmi_event event)
1819 {
1820         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1821
1822         bfa_trc(port->fcs, port->port_cfg.pwwn);
1823         bfa_trc(port->fcs, event);
1824
1825         /* No op State. It can only be enabled at Driver Init. */
1826 }
1827
1828 /*
1829 *  RHBA : Register HBA Attributes.
1830  */
1831 static void
1832 bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1833 {
1834         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
1835         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1836         struct fchs_s fchs;
1837         int             len, attr_len;
1838         struct bfa_fcxp_s *fcxp;
1839         u8        *pyld;
1840
1841         bfa_trc(port->fcs, port->port_cfg.pwwn);
1842
1843         fcxp = fcxp_alloced ? fcxp_alloced :
1844                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
1845         if (!fcxp) {
1846                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
1847                                 bfa_fcs_lport_fdmi_send_rhba, fdmi, BFA_TRUE);
1848                 return;
1849         }
1850         fdmi->fcxp = fcxp;
1851
1852         pyld = bfa_fcxp_get_reqbuf(fcxp);
1853         memset(pyld, 0, FC_MAX_PDUSZ);
1854
1855         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
1856                                    FDMI_RHBA);
1857
1858         attr_len =
1859                 bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
1860                                           (u8 *) ((struct ct_hdr_s *) pyld
1861                                                        + 1));
1862
1863         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1864                           FC_CLASS_3, (len + attr_len), &fchs,
1865                           bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi,
1866                           FC_MAX_PDUSZ, FC_FCCT_TOV);
1867
1868         bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
1869 }
1870
1871 static          u16
1872 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
1873 {
1874         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1875         struct bfa_fcs_fdmi_hba_attr_s hba_attr;
1876         struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
1877         struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
1878         struct fdmi_attr_s *attr;
1879         u8        *curr_ptr;
1880         u16        len, count;
1881         u16     templen;
1882
1883         /*
1884          * get hba attributes
1885          */
1886         bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
1887
1888         rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
1889         rhba->port_list.num_ports = cpu_to_be32(1);
1890         rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port);
1891
1892         len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
1893
1894         count = 0;
1895         len += sizeof(rhba->hba_attr_blk.attr_count);
1896
1897         /*
1898          * fill out the invididual entries of the HBA attrib Block
1899          */
1900         curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
1901
1902         /*
1903          * Node Name
1904          */
1905         attr = (struct fdmi_attr_s *) curr_ptr;
1906         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODENAME);
1907         templen = sizeof(wwn_t);
1908         memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), templen);
1909         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1910         len += templen;
1911         count++;
1912         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1913                              sizeof(templen));
1914
1915         /*
1916          * Manufacturer
1917          */
1918         attr = (struct fdmi_attr_s *) curr_ptr;
1919         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MANUFACTURER);
1920         templen = (u16) strlen(fcs_hba_attr->manufacturer);
1921         memcpy(attr->value, fcs_hba_attr->manufacturer, templen);
1922         templen = fc_roundup(templen, sizeof(u32));
1923         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1924         len += templen;
1925         count++;
1926         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1927                              sizeof(templen));
1928
1929         /*
1930          * Serial Number
1931          */
1932         attr = (struct fdmi_attr_s *) curr_ptr;
1933         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_SERIALNUM);
1934         templen = (u16) strlen(fcs_hba_attr->serial_num);
1935         memcpy(attr->value, fcs_hba_attr->serial_num, templen);
1936         templen = fc_roundup(templen, sizeof(u32));
1937         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1938         len += templen;
1939         count++;
1940         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1941                              sizeof(templen));
1942
1943         /*
1944          * Model
1945          */
1946         attr = (struct fdmi_attr_s *) curr_ptr;
1947         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL);
1948         templen = (u16) strlen(fcs_hba_attr->model);
1949         memcpy(attr->value, fcs_hba_attr->model, templen);
1950         templen = fc_roundup(templen, sizeof(u32));
1951         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1952         len += templen;
1953         count++;
1954         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1955                              sizeof(templen));
1956
1957         /*
1958          * Model Desc
1959          */
1960         attr = (struct fdmi_attr_s *) curr_ptr;
1961         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL_DESC);
1962         templen = (u16) strlen(fcs_hba_attr->model_desc);
1963         memcpy(attr->value, fcs_hba_attr->model_desc, templen);
1964         templen = fc_roundup(templen, sizeof(u32));
1965         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1966         len += templen;
1967         count++;
1968         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1969                              sizeof(templen));
1970
1971         /*
1972          * H/W Version
1973          */
1974         if (fcs_hba_attr->hw_version[0] != '\0') {
1975                 attr = (struct fdmi_attr_s *) curr_ptr;
1976                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_HW_VERSION);
1977                 templen = (u16) strlen(fcs_hba_attr->hw_version);
1978                 memcpy(attr->value, fcs_hba_attr->hw_version, templen);
1979                 templen = fc_roundup(templen, sizeof(u32));
1980                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1981                 len += templen;
1982                 count++;
1983                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1984                                          sizeof(templen));
1985         }
1986
1987         /*
1988          * Driver Version
1989          */
1990         attr = (struct fdmi_attr_s *) curr_ptr;
1991         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_DRIVER_VERSION);
1992         templen = (u16) strlen(fcs_hba_attr->driver_version);
1993         memcpy(attr->value, fcs_hba_attr->driver_version, templen);
1994         templen = fc_roundup(templen, sizeof(u32));
1995         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1996         len += templen;
1997         count++;
1998         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1999                              sizeof(templen));
2000
2001         /*
2002          * Option Rom Version
2003          */
2004         if (fcs_hba_attr->option_rom_ver[0] != '\0') {
2005                 attr = (struct fdmi_attr_s *) curr_ptr;
2006                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_ROM_VERSION);
2007                 templen = (u16) strlen(fcs_hba_attr->option_rom_ver);
2008                 memcpy(attr->value, fcs_hba_attr->option_rom_ver, templen);
2009                 templen = fc_roundup(templen, sizeof(u32));
2010                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2011                 len += templen;
2012                 count++;
2013                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2014                                          sizeof(templen));
2015         }
2016
2017         attr = (struct fdmi_attr_s *) curr_ptr;
2018         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
2019         templen = (u16) strlen(fcs_hba_attr->fw_version);
2020         memcpy(attr->value, fcs_hba_attr->fw_version, templen);
2021         templen = fc_roundup(templen, sizeof(u32));
2022         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2023         len += templen;
2024         count++;
2025         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2026                              sizeof(templen));
2027
2028         /*
2029          * OS Name
2030          */
2031         if (fcs_hba_attr->os_name[0] != '\0') {
2032                 attr = (struct fdmi_attr_s *) curr_ptr;
2033                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_OS_NAME);
2034                 templen = (u16) strlen(fcs_hba_attr->os_name);
2035                 memcpy(attr->value, fcs_hba_attr->os_name, templen);
2036                 templen = fc_roundup(templen, sizeof(u32));
2037                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2038                 len += templen;
2039                 count++;
2040                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2041                                         sizeof(templen));
2042         }
2043
2044         /*
2045          * MAX_CT_PAYLOAD
2046          */
2047         attr = (struct fdmi_attr_s *) curr_ptr;
2048         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MAX_CT);
2049         templen = sizeof(fcs_hba_attr->max_ct_pyld);
2050         memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, templen);
2051         len += templen;
2052         count++;
2053         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2054                              sizeof(templen));
2055
2056         /*
2057          * Update size of payload
2058          */
2059         len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2060
2061         rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
2062         return len;
2063 }
2064
2065 static void
2066 bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2067                                 void *cbarg, bfa_status_t req_status,
2068                                 u32 rsp_len, u32 resid_len,
2069                                 struct fchs_s *rsp_fchs)
2070 {
2071         struct bfa_fcs_lport_fdmi_s *fdmi =
2072                                 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2073         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2074         struct ct_hdr_s *cthdr = NULL;
2075
2076         bfa_trc(port->fcs, port->port_cfg.pwwn);
2077
2078         /*
2079          * Sanity Checks
2080          */
2081         if (req_status != BFA_STATUS_OK) {
2082                 bfa_trc(port->fcs, req_status);
2083                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2084                 return;
2085         }
2086
2087         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2088         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2089
2090         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2091                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2092                 return;
2093         }
2094
2095         bfa_trc(port->fcs, cthdr->reason_code);
2096         bfa_trc(port->fcs, cthdr->exp_code);
2097         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2098 }
2099
2100 /*
2101 *  RPRT : Register Port
2102  */
2103 static void
2104 bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2105 {
2106         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2107         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2108         struct fchs_s fchs;
2109         u16        len, attr_len;
2110         struct bfa_fcxp_s *fcxp;
2111         u8        *pyld;
2112
2113         bfa_trc(port->fcs, port->port_cfg.pwwn);
2114
2115         fcxp = fcxp_alloced ? fcxp_alloced :
2116                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2117         if (!fcxp) {
2118                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2119                                 bfa_fcs_lport_fdmi_send_rprt, fdmi, BFA_TRUE);
2120                 return;
2121         }
2122         fdmi->fcxp = fcxp;
2123
2124         pyld = bfa_fcxp_get_reqbuf(fcxp);
2125         memset(pyld, 0, FC_MAX_PDUSZ);
2126
2127         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2128                                    FDMI_RPRT);
2129
2130         attr_len =
2131                 bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
2132                                           (u8 *) ((struct ct_hdr_s *) pyld
2133                                                        + 1));
2134
2135         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2136                           FC_CLASS_3, len + attr_len, &fchs,
2137                           bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
2138                           FC_MAX_PDUSZ, FC_FCCT_TOV);
2139
2140         bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
2141 }
2142
2143 /*
2144  * This routine builds Port Attribute Block that used in RPA, RPRT commands.
2145  */
2146 static          u16
2147 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
2148                                        u8 *pyld)
2149 {
2150         struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2151         struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
2152         struct fdmi_attr_s *attr;
2153         u8        *curr_ptr;
2154         u16        len;
2155         u8      count = 0;
2156         u16     templen;
2157
2158         /*
2159          * get port attributes
2160          */
2161         bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2162
2163         len = sizeof(port_attrib->attr_count);
2164
2165         /*
2166          * fill out the invididual entries
2167          */
2168         curr_ptr = (u8 *) &port_attrib->port_attr;
2169
2170         /*
2171          * FC4 Types
2172          */
2173         attr = (struct fdmi_attr_s *) curr_ptr;
2174         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
2175         templen = sizeof(fcs_port_attr.supp_fc4_types);
2176         memcpy(attr->value, fcs_port_attr.supp_fc4_types, templen);
2177         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2178         len += templen;
2179         ++count;
2180         attr->len =
2181                 cpu_to_be16(templen + sizeof(attr->type) +
2182                              sizeof(templen));
2183
2184         /*
2185          * Supported Speed
2186          */
2187         attr = (struct fdmi_attr_s *) curr_ptr;
2188         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
2189         templen = sizeof(fcs_port_attr.supp_speed);
2190         memcpy(attr->value, &fcs_port_attr.supp_speed, templen);
2191         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2192         len += templen;
2193         ++count;
2194         attr->len =
2195                 cpu_to_be16(templen + sizeof(attr->type) +
2196                              sizeof(templen));
2197
2198         /*
2199          * current Port Speed
2200          */
2201         attr = (struct fdmi_attr_s *) curr_ptr;
2202         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
2203         templen = sizeof(fcs_port_attr.curr_speed);
2204         memcpy(attr->value, &fcs_port_attr.curr_speed, templen);
2205         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2206         len += templen;
2207         ++count;
2208         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2209                              sizeof(templen));
2210
2211         /*
2212          * max frame size
2213          */
2214         attr = (struct fdmi_attr_s *) curr_ptr;
2215         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
2216         templen = sizeof(fcs_port_attr.max_frm_size);
2217         memcpy(attr->value, &fcs_port_attr.max_frm_size, templen);
2218         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2219         len += templen;
2220         ++count;
2221         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2222                              sizeof(templen));
2223
2224         /*
2225          * OS Device Name
2226          */
2227         if (fcs_port_attr.os_device_name[0] != '\0') {
2228                 attr = (struct fdmi_attr_s *) curr_ptr;
2229                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
2230                 templen = (u16) strlen(fcs_port_attr.os_device_name);
2231                 memcpy(attr->value, fcs_port_attr.os_device_name, templen);
2232                 templen = fc_roundup(templen, sizeof(u32));
2233                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2234                 len += templen;
2235                 ++count;
2236                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2237                                         sizeof(templen));
2238         }
2239         /*
2240          * Host Name
2241          */
2242         if (fcs_port_attr.host_name[0] != '\0') {
2243                 attr = (struct fdmi_attr_s *) curr_ptr;
2244                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
2245                 templen = (u16) strlen(fcs_port_attr.host_name);
2246                 memcpy(attr->value, fcs_port_attr.host_name, templen);
2247                 templen = fc_roundup(templen, sizeof(u32));
2248                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2249                 len += templen;
2250                 ++count;
2251                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2252                                 sizeof(templen));
2253         }
2254
2255         /*
2256          * Update size of payload
2257          */
2258         port_attrib->attr_count = cpu_to_be32(count);
2259         len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2260         return len;
2261 }
2262
2263 static          u16
2264 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2265 {
2266         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2267         struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
2268         u16        len;
2269
2270         rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
2271         rprt->port_name = bfa_fcs_lport_get_pwwn(port);
2272
2273         len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2274                                 (u8 *) &rprt->port_attr_blk);
2275
2276         len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
2277
2278         return len;
2279 }
2280
2281 static void
2282 bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2283                                 void *cbarg, bfa_status_t req_status,
2284                                 u32 rsp_len, u32 resid_len,
2285                                 struct fchs_s *rsp_fchs)
2286 {
2287         struct bfa_fcs_lport_fdmi_s *fdmi =
2288                         (struct bfa_fcs_lport_fdmi_s *) cbarg;
2289         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2290         struct ct_hdr_s *cthdr = NULL;
2291
2292         bfa_trc(port->fcs, port->port_cfg.pwwn);
2293
2294         /*
2295          * Sanity Checks
2296          */
2297         if (req_status != BFA_STATUS_OK) {
2298                 bfa_trc(port->fcs, req_status);
2299                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2300                 return;
2301         }
2302
2303         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2304         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2305
2306         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2307                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2308                 return;
2309         }
2310
2311         bfa_trc(port->fcs, cthdr->reason_code);
2312         bfa_trc(port->fcs, cthdr->exp_code);
2313         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2314 }
2315
2316 /*
2317 *  RPA : Register Port Attributes.
2318  */
2319 static void
2320 bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2321 {
2322         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2323         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2324         struct fchs_s fchs;
2325         u16        len, attr_len;
2326         struct bfa_fcxp_s *fcxp;
2327         u8        *pyld;
2328
2329         bfa_trc(port->fcs, port->port_cfg.pwwn);
2330
2331         fcxp = fcxp_alloced ? fcxp_alloced :
2332                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2333         if (!fcxp) {
2334                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2335                                 bfa_fcs_lport_fdmi_send_rpa, fdmi, BFA_TRUE);
2336                 return;
2337         }
2338         fdmi->fcxp = fcxp;
2339
2340         pyld = bfa_fcxp_get_reqbuf(fcxp);
2341         memset(pyld, 0, FC_MAX_PDUSZ);
2342
2343         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2344                                    FDMI_RPA);
2345
2346         attr_len = bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
2347                                 (u8 *) ((struct ct_hdr_s *) pyld + 1));
2348
2349         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2350                           FC_CLASS_3, len + attr_len, &fchs,
2351                           bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
2352                           FC_MAX_PDUSZ, FC_FCCT_TOV);
2353
2354         bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
2355 }
2356
2357 static          u16
2358 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2359 {
2360         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2361         struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
2362         u16        len;
2363
2364         rpa->port_name = bfa_fcs_lport_get_pwwn(port);
2365
2366         len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2367                                 (u8 *) &rpa->port_attr_blk);
2368
2369         len += sizeof(rpa->port_name);
2370
2371         return len;
2372 }
2373
2374 static void
2375 bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2376                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
2377                         u32 resid_len, struct fchs_s *rsp_fchs)
2378 {
2379         struct bfa_fcs_lport_fdmi_s *fdmi =
2380                                 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2381         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2382         struct ct_hdr_s *cthdr = NULL;
2383
2384         bfa_trc(port->fcs, port->port_cfg.pwwn);
2385
2386         /*
2387          * Sanity Checks
2388          */
2389         if (req_status != BFA_STATUS_OK) {
2390                 bfa_trc(port->fcs, req_status);
2391                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2392                 return;
2393         }
2394
2395         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2396         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2397
2398         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2399                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2400                 return;
2401         }
2402
2403         bfa_trc(port->fcs, cthdr->reason_code);
2404         bfa_trc(port->fcs, cthdr->exp_code);
2405         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2406 }
2407
2408 static void
2409 bfa_fcs_lport_fdmi_timeout(void *arg)
2410 {
2411         struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
2412
2413         bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
2414 }
2415
2416 static void
2417 bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2418                          struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
2419 {
2420         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2421         struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
2422         struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2423
2424         memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
2425
2426         bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
2427                                         hba_attr->manufacturer);
2428         bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
2429                                         hba_attr->serial_num);
2430         bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2431                                         hba_attr->model);
2432         bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2433                                         hba_attr->model_desc);
2434         bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
2435                                         hba_attr->hw_version);
2436         bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
2437                                         hba_attr->option_rom_ver);
2438         bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
2439                                         hba_attr->fw_version);
2440
2441         strncpy(hba_attr->driver_version, (char *)driver_info->version,
2442                 sizeof(hba_attr->driver_version));
2443
2444         strncpy(hba_attr->os_name, driver_info->host_os_name,
2445                 sizeof(hba_attr->os_name));
2446
2447         /*
2448          * If there is a patch level, append it
2449          * to the os name along with a separator
2450          */
2451         if (driver_info->host_os_patch[0] != '\0') {
2452                 strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
2453                         sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
2454                 strncat(hba_attr->os_name, driver_info->host_os_patch,
2455                                 sizeof(driver_info->host_os_patch));
2456         }
2457
2458         /* Retrieve the max frame size from the port attr */
2459         bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2460         hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
2461 }
2462
2463 static void
2464 bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2465                           struct bfa_fcs_fdmi_port_attr_s *port_attr)
2466 {
2467         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2468         struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
2469         struct bfa_port_attr_s pport_attr;
2470
2471         memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
2472
2473         /*
2474          * get pport attributes from hal
2475          */
2476         bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
2477
2478         /*
2479          * get FC4 type Bitmask
2480          */
2481         fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
2482
2483         /*
2484          * Supported Speeds
2485          */
2486         switch (pport_attr.speed_supported) {
2487         case BFA_PORT_SPEED_16GBPS:
2488                 port_attr->supp_speed =
2489                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_16G);
2490                 break;
2491
2492         case BFA_PORT_SPEED_10GBPS:
2493                 port_attr->supp_speed =
2494                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_10G);
2495                 break;
2496
2497         case BFA_PORT_SPEED_8GBPS:
2498                 port_attr->supp_speed =
2499                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_8G);
2500                 break;
2501
2502         case BFA_PORT_SPEED_4GBPS:
2503                 port_attr->supp_speed =
2504                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_4G);
2505                 break;
2506
2507         default:
2508                 bfa_sm_fault(port->fcs, pport_attr.speed_supported);
2509         }
2510
2511         /*
2512          * Current Speed
2513          */
2514         port_attr->curr_speed = cpu_to_be32(
2515                                 bfa_fcs_fdmi_convert_speed(pport_attr.speed));
2516
2517         /*
2518          * Max PDU Size.
2519          */
2520         port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);
2521
2522         /*
2523          * OS device Name
2524          */
2525         strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name,
2526                 sizeof(port_attr->os_device_name));
2527
2528         /*
2529          * Host name
2530          */
2531         strncpy(port_attr->host_name, (char *)driver_info->host_machine_name,
2532                 sizeof(port_attr->host_name));
2533
2534 }
2535
2536 /*
2537  * Convert BFA speed to FDMI format.
2538  */
2539 u32
2540 bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)
2541 {
2542         u32     ret;
2543
2544         switch (pport_speed) {
2545         case BFA_PORT_SPEED_1GBPS:
2546         case BFA_PORT_SPEED_2GBPS:
2547                 ret = pport_speed;
2548                 break;
2549
2550         case BFA_PORT_SPEED_4GBPS:
2551                 ret = FDMI_TRANS_SPEED_4G;
2552                 break;
2553
2554         case BFA_PORT_SPEED_8GBPS:
2555                 ret = FDMI_TRANS_SPEED_8G;
2556                 break;
2557
2558         case BFA_PORT_SPEED_10GBPS:
2559                 ret = FDMI_TRANS_SPEED_10G;
2560                 break;
2561
2562         case BFA_PORT_SPEED_16GBPS:
2563                 ret = FDMI_TRANS_SPEED_16G;
2564                 break;
2565
2566         default:
2567                 ret = FDMI_TRANS_SPEED_UNKNOWN;
2568         }
2569         return ret;
2570 }
2571
2572 void
2573 bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
2574 {
2575         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2576
2577         fdmi->ms = ms;
2578         if (ms->port->fcs->fdmi_enabled)
2579                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
2580         else
2581                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
2582 }
2583
2584 void
2585 bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
2586 {
2587         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2588
2589         fdmi->ms = ms;
2590         bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
2591 }
2592
2593 void
2594 bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
2595 {
2596         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2597
2598         fdmi->ms = ms;
2599         bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
2600 }
2601
2602 #define BFA_FCS_MS_CMD_MAX_RETRIES  2
2603
2604 /*
2605  * forward declarations
2606  */
2607 static void     bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
2608                                            struct bfa_fcxp_s *fcxp_alloced);
2609 static void     bfa_fcs_lport_ms_timeout(void *arg);
2610 static void     bfa_fcs_lport_ms_plogi_response(void *fcsarg,
2611                                                struct bfa_fcxp_s *fcxp,
2612                                                void *cbarg,
2613                                                bfa_status_t req_status,
2614                                                u32 rsp_len,
2615                                                u32 resid_len,
2616                                                struct fchs_s *rsp_fchs);
2617
2618 static void     bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
2619                                         struct bfa_fcxp_s *fcxp_alloced);
2620 static void     bfa_fcs_lport_ms_gmal_response(void *fcsarg,
2621                                                struct bfa_fcxp_s *fcxp,
2622                                                void *cbarg,
2623                                                bfa_status_t req_status,
2624                                                u32 rsp_len,
2625                                                u32 resid_len,
2626                                                struct fchs_s *rsp_fchs);
2627 static void     bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
2628                                         struct bfa_fcxp_s *fcxp_alloced);
2629 static void     bfa_fcs_lport_ms_gfn_response(void *fcsarg,
2630                                                struct bfa_fcxp_s *fcxp,
2631                                                void *cbarg,
2632                                                bfa_status_t req_status,
2633                                                u32 rsp_len,
2634                                                u32 resid_len,
2635                                                struct fchs_s *rsp_fchs);
2636 /*
2637  *  fcs_ms_sm FCS MS state machine
2638  */
2639
2640 /*
2641  *  MS State Machine events
2642  */
2643 enum port_ms_event {
2644         MSSM_EVENT_PORT_ONLINE = 1,
2645         MSSM_EVENT_PORT_OFFLINE = 2,
2646         MSSM_EVENT_RSP_OK = 3,
2647         MSSM_EVENT_RSP_ERROR = 4,
2648         MSSM_EVENT_TIMEOUT = 5,
2649         MSSM_EVENT_FCXP_SENT = 6,
2650         MSSM_EVENT_PORT_FABRIC_RSCN = 7
2651 };
2652
2653 static void     bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2654                                            enum port_ms_event event);
2655 static void     bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2656                                                  enum port_ms_event event);
2657 static void     bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2658                                          enum port_ms_event event);
2659 static void     bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2660                                                enum port_ms_event event);
2661 static void     bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2662                                                  enum port_ms_event event);
2663 static void     bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2664                                          enum port_ms_event event);
2665 static void     bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2666                                                enum port_ms_event event);
2667 static void     bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2668                                                  enum port_ms_event event);
2669 static void     bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2670                                          enum port_ms_event event);
2671 static void     bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2672                                                enum port_ms_event event);
2673 static void     bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2674                                           enum port_ms_event event);
2675 /*
2676  *      Start in offline state - awaiting NS to send start.
2677  */
2678 static void
2679 bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2680                                 enum port_ms_event event)
2681 {
2682         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2683         bfa_trc(ms->port->fcs, event);
2684
2685         switch (event) {
2686         case MSSM_EVENT_PORT_ONLINE:
2687                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2688                 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2689                 break;
2690
2691         case MSSM_EVENT_PORT_OFFLINE:
2692                 break;
2693
2694         default:
2695                 bfa_sm_fault(ms->port->fcs, event);
2696         }
2697 }
2698
2699 static void
2700 bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2701                                 enum port_ms_event event)
2702 {
2703         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2704         bfa_trc(ms->port->fcs, event);
2705
2706         switch (event) {
2707         case MSSM_EVENT_FCXP_SENT:
2708                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
2709                 break;
2710
2711         case MSSM_EVENT_PORT_OFFLINE:
2712                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2713                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2714                                            &ms->fcxp_wqe);
2715                 break;
2716
2717         default:
2718                 bfa_sm_fault(ms->port->fcs, event);
2719         }
2720 }
2721
2722 static void
2723 bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2724                         enum port_ms_event event)
2725 {
2726         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2727         bfa_trc(ms->port->fcs, event);
2728
2729         switch (event) {
2730         case MSSM_EVENT_RSP_ERROR:
2731                 /*
2732                  * Start timer for a delayed retry
2733                  */
2734                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
2735                 ms->port->stats.ms_retries++;
2736                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2737                                     &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2738                                     BFA_FCS_RETRY_TIMEOUT);
2739                 break;
2740
2741         case MSSM_EVENT_RSP_OK:
2742                 /*
2743                  * since plogi is done, now invoke MS related sub-modules
2744                  */
2745                 bfa_fcs_lport_fdmi_online(ms);
2746
2747                 /*
2748                  * if this is a Vport, go to online state.
2749                  */
2750                 if (ms->port->vport) {
2751                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2752                         break;
2753                 }
2754
2755                 /*
2756                  * For a base port we need to get the
2757                  * switch's IP address.
2758                  */
2759                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2760                 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2761                 break;
2762
2763         case MSSM_EVENT_PORT_OFFLINE:
2764                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2765                 bfa_fcxp_discard(ms->fcxp);
2766                 break;
2767
2768         default:
2769                 bfa_sm_fault(ms->port->fcs, event);
2770         }
2771 }
2772
2773 static void
2774 bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2775                         enum port_ms_event event)
2776 {
2777         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2778         bfa_trc(ms->port->fcs, event);
2779
2780         switch (event) {
2781         case MSSM_EVENT_TIMEOUT:
2782                 /*
2783                  * Retry Timer Expired. Re-send
2784                  */
2785                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2786                 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2787                 break;
2788
2789         case MSSM_EVENT_PORT_OFFLINE:
2790                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2791                 bfa_timer_stop(&ms->timer);
2792                 break;
2793
2794         default:
2795                 bfa_sm_fault(ms->port->fcs, event);
2796         }
2797 }
2798
2799 static void
2800 bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2801                         enum port_ms_event event)
2802 {
2803         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2804         bfa_trc(ms->port->fcs, event);
2805
2806         switch (event) {
2807         case MSSM_EVENT_PORT_OFFLINE:
2808                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2809                 break;
2810
2811         case MSSM_EVENT_PORT_FABRIC_RSCN:
2812                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2813                 ms->retry_cnt = 0;
2814                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2815                 break;
2816
2817         default:
2818                 bfa_sm_fault(ms->port->fcs, event);
2819         }
2820 }
2821
2822 static void
2823 bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2824                                 enum port_ms_event event)
2825 {
2826         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2827         bfa_trc(ms->port->fcs, event);
2828
2829         switch (event) {
2830         case MSSM_EVENT_FCXP_SENT:
2831                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
2832                 break;
2833
2834         case MSSM_EVENT_PORT_OFFLINE:
2835                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2836                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2837                                            &ms->fcxp_wqe);
2838                 break;
2839
2840         default:
2841                 bfa_sm_fault(ms->port->fcs, event);
2842         }
2843 }
2844
2845 static void
2846 bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2847                                 enum port_ms_event event)
2848 {
2849         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2850         bfa_trc(ms->port->fcs, event);
2851
2852         switch (event) {
2853         case MSSM_EVENT_RSP_ERROR:
2854                 /*
2855                  * Start timer for a delayed retry
2856                  */
2857                 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
2858                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
2859                         ms->port->stats.ms_retries++;
2860                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2861                                 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2862                                 BFA_FCS_RETRY_TIMEOUT);
2863                 } else {
2864                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2865                         bfa_fcs_lport_ms_send_gfn(ms, NULL);
2866                         ms->retry_cnt = 0;
2867                 }
2868                 break;
2869
2870         case MSSM_EVENT_RSP_OK:
2871                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
2872                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
2873                 break;
2874
2875         case MSSM_EVENT_PORT_OFFLINE:
2876                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2877                 bfa_fcxp_discard(ms->fcxp);
2878                 break;
2879
2880         default:
2881                 bfa_sm_fault(ms->port->fcs, event);
2882         }
2883 }
2884
2885 static void
2886 bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2887                                 enum port_ms_event event)
2888 {
2889         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2890         bfa_trc(ms->port->fcs, event);
2891
2892         switch (event) {
2893         case MSSM_EVENT_TIMEOUT:
2894                 /*
2895                  * Retry Timer Expired. Re-send
2896                  */
2897                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2898                 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2899                 break;
2900
2901         case MSSM_EVENT_PORT_OFFLINE:
2902                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2903                 bfa_timer_stop(&ms->timer);
2904                 break;
2905
2906         default:
2907                 bfa_sm_fault(ms->port->fcs, event);
2908         }
2909 }
2910 /*
2911  *  ms_pvt MS local functions
2912  */
2913
2914 static void
2915 bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2916 {
2917         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
2918         bfa_fcs_lport_t *port = ms->port;
2919         struct fchs_s   fchs;
2920         int             len;
2921         struct bfa_fcxp_s *fcxp;
2922
2923         bfa_trc(port->fcs, port->pid);
2924
2925         fcxp = fcxp_alloced ? fcxp_alloced :
2926                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2927         if (!fcxp) {
2928                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
2929                                 bfa_fcs_lport_ms_send_gmal, ms, BFA_TRUE);
2930                 return;
2931         }
2932         ms->fcxp = fcxp;
2933
2934         len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2935                              bfa_fcs_lport_get_fcid(port),
2936                                  port->fabric->lps->pr_nwwn);
2937
2938         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2939                           FC_CLASS_3, len, &fchs,
2940                           bfa_fcs_lport_ms_gmal_response, (void *)ms,
2941                           FC_MAX_PDUSZ, FC_FCCT_TOV);
2942
2943         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
2944 }
2945
2946 static void
2947 bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2948                                 void *cbarg, bfa_status_t req_status,
2949                                 u32 rsp_len, u32 resid_len,
2950                                 struct fchs_s *rsp_fchs)
2951 {
2952         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
2953         bfa_fcs_lport_t *port = ms->port;
2954         struct ct_hdr_s         *cthdr = NULL;
2955         struct fcgs_gmal_resp_s *gmal_resp;
2956         struct fcgs_gmal_entry_s *gmal_entry;
2957         u32             num_entries;
2958         u8                      *rsp_str;
2959
2960         bfa_trc(port->fcs, req_status);
2961         bfa_trc(port->fcs, port->port_cfg.pwwn);
2962
2963         /*
2964          * Sanity Checks
2965          */
2966         if (req_status != BFA_STATUS_OK) {
2967                 bfa_trc(port->fcs, req_status);
2968                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2969                 return;
2970         }
2971
2972         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2973         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2974
2975         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2976                 gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
2977
2978                 num_entries = be32_to_cpu(gmal_resp->ms_len);
2979                 if (num_entries == 0) {
2980                         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
2981                         return;
2982                 }
2983                 /*
2984                 * The response could contain multiple Entries.
2985                 * Entries for SNMP interface, etc.
2986                 * We look for the entry with a telnet prefix.
2987                 * First "http://" entry refers to IP addr
2988                 */
2989
2990                 gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
2991                 while (num_entries > 0) {
2992                         if (strncmp(gmal_entry->prefix,
2993                                 CT_GMAL_RESP_PREFIX_HTTP,
2994                                 sizeof(gmal_entry->prefix)) == 0) {
2995
2996                                 /*
2997                                 * if the IP address is terminating with a '/',
2998                                 * remove it.
2999                                 * Byte 0 consists of the length of the string.
3000                                 */
3001                                 rsp_str = &(gmal_entry->prefix[0]);
3002                                 if (rsp_str[gmal_entry->len-1] == '/')
3003                                         rsp_str[gmal_entry->len-1] = 0;
3004
3005                                 /* copy IP Address to fabric */
3006                                 strncpy(bfa_fcs_lport_get_fabric_ipaddr(port),
3007                                         gmal_entry->ip_addr,
3008                                         BFA_FCS_FABRIC_IPADDR_SZ);
3009                                 break;
3010                         } else {
3011                                 --num_entries;
3012                                 ++gmal_entry;
3013                         }
3014                 }
3015
3016                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3017                 return;
3018         }
3019
3020         bfa_trc(port->fcs, cthdr->reason_code);
3021         bfa_trc(port->fcs, cthdr->exp_code);
3022         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3023 }
3024
3025 static void
3026 bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
3027                         enum port_ms_event event)
3028 {
3029         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3030         bfa_trc(ms->port->fcs, event);
3031
3032         switch (event) {
3033         case MSSM_EVENT_FCXP_SENT:
3034                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
3035                 break;
3036
3037         case MSSM_EVENT_PORT_OFFLINE:
3038                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3039                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3040                                            &ms->fcxp_wqe);
3041                 break;
3042
3043         default:
3044                 bfa_sm_fault(ms->port->fcs, event);
3045         }
3046 }
3047
3048 static void
3049 bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
3050                         enum port_ms_event event)
3051 {
3052         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3053         bfa_trc(ms->port->fcs, event);
3054
3055         switch (event) {
3056         case MSSM_EVENT_RSP_ERROR:
3057                 /*
3058                  * Start timer for a delayed retry
3059                  */
3060                 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3061                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
3062                         ms->port->stats.ms_retries++;
3063                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3064                                 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
3065                                 BFA_FCS_RETRY_TIMEOUT);
3066                 } else {
3067                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3068                         ms->retry_cnt = 0;
3069                 }
3070                 break;
3071
3072         case MSSM_EVENT_RSP_OK:
3073                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3074                 break;
3075
3076         case MSSM_EVENT_PORT_OFFLINE:
3077                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3078                 bfa_fcxp_discard(ms->fcxp);
3079                 break;
3080
3081         default:
3082                 bfa_sm_fault(ms->port->fcs, event);
3083         }
3084 }
3085
3086 static void
3087 bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
3088                                 enum port_ms_event event)
3089 {
3090         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3091         bfa_trc(ms->port->fcs, event);
3092
3093         switch (event) {
3094         case MSSM_EVENT_TIMEOUT:
3095                 /*
3096                  * Retry Timer Expired. Re-send
3097                  */
3098                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3099                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3100                 break;
3101
3102         case MSSM_EVENT_PORT_OFFLINE:
3103                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3104                 bfa_timer_stop(&ms->timer);
3105                 break;
3106
3107         default:
3108                 bfa_sm_fault(ms->port->fcs, event);
3109         }
3110 }
3111 /*
3112  *  ms_pvt MS local functions
3113  */
3114
3115 static void
3116 bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3117 {
3118         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3119         bfa_fcs_lport_t *port = ms->port;
3120         struct fchs_s           fchs;
3121         int                     len;
3122         struct bfa_fcxp_s *fcxp;
3123
3124         bfa_trc(port->fcs, port->pid);
3125
3126         fcxp = fcxp_alloced ? fcxp_alloced :
3127                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3128         if (!fcxp) {
3129                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3130                                 bfa_fcs_lport_ms_send_gfn, ms, BFA_TRUE);
3131                 return;
3132         }
3133         ms->fcxp = fcxp;
3134
3135         len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3136                              bfa_fcs_lport_get_fcid(port),
3137                                  port->fabric->lps->pr_nwwn);
3138
3139         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3140                           FC_CLASS_3, len, &fchs,
3141                           bfa_fcs_lport_ms_gfn_response, (void *)ms,
3142                           FC_MAX_PDUSZ, FC_FCCT_TOV);
3143
3144         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3145 }
3146
3147 static void
3148 bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3149                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
3150                         u32 resid_len, struct fchs_s *rsp_fchs)
3151 {
3152         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3153         bfa_fcs_lport_t *port = ms->port;
3154         struct ct_hdr_s *cthdr = NULL;
3155         wwn_t          *gfn_resp;
3156
3157         bfa_trc(port->fcs, req_status);
3158         bfa_trc(port->fcs, port->port_cfg.pwwn);
3159
3160         /*
3161          * Sanity Checks
3162          */
3163         if (req_status != BFA_STATUS_OK) {
3164                 bfa_trc(port->fcs, req_status);
3165                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3166                 return;
3167         }
3168
3169         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3170         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3171
3172         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3173                 gfn_resp = (wwn_t *)(cthdr + 1);
3174                 /* check if it has actually changed */
3175                 if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
3176                                 gfn_resp, sizeof(wwn_t)) != 0)) {
3177                         bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
3178                 }
3179                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3180                 return;
3181         }
3182
3183         bfa_trc(port->fcs, cthdr->reason_code);
3184         bfa_trc(port->fcs, cthdr->exp_code);
3185         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3186 }
3187
3188 /*
3189  *  ms_pvt MS local functions
3190  */
3191
3192 static void
3193 bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3194 {
3195         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3196         struct bfa_fcs_lport_s *port = ms->port;
3197         struct fchs_s   fchs;
3198         int     len;
3199         struct bfa_fcxp_s *fcxp;
3200
3201         bfa_trc(port->fcs, port->pid);
3202
3203         fcxp = fcxp_alloced ? fcxp_alloced :
3204                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3205         if (!fcxp) {
3206                 port->stats.ms_plogi_alloc_wait++;
3207                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3208                                 bfa_fcs_lport_ms_send_plogi, ms, BFA_TRUE);
3209                 return;
3210         }
3211         ms->fcxp = fcxp;
3212
3213         len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3214                              bfa_hton3b(FC_MGMT_SERVER),
3215                              bfa_fcs_lport_get_fcid(port), 0,
3216                              port->port_cfg.pwwn, port->port_cfg.nwwn,
3217                              bfa_fcport_get_maxfrsize(port->fcs->bfa),
3218                              bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
3219
3220         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3221                           FC_CLASS_3, len, &fchs,
3222                           bfa_fcs_lport_ms_plogi_response, (void *)ms,
3223                           FC_MAX_PDUSZ, FC_ELS_TOV);
3224
3225         port->stats.ms_plogi_sent++;
3226         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3227 }
3228
3229 static void
3230 bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3231                         void *cbarg, bfa_status_t req_status,
3232                         u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
3233 {
3234         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3235         struct bfa_fcs_lport_s *port = ms->port;
3236         struct fc_els_cmd_s *els_cmd;
3237         struct fc_ls_rjt_s *ls_rjt;
3238
3239         bfa_trc(port->fcs, req_status);
3240         bfa_trc(port->fcs, port->port_cfg.pwwn);
3241
3242         /*
3243          * Sanity Checks
3244          */
3245         if (req_status != BFA_STATUS_OK) {
3246                 port->stats.ms_plogi_rsp_err++;
3247                 bfa_trc(port->fcs, req_status);
3248                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3249                 return;
3250         }
3251
3252         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
3253
3254         switch (els_cmd->els_code) {
3255
3256         case FC_ELS_ACC:
3257                 if (rsp_len < sizeof(struct fc_logi_s)) {
3258                         bfa_trc(port->fcs, rsp_len);
3259                         port->stats.ms_plogi_acc_err++;
3260                         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3261                         break;
3262                 }
3263                 port->stats.ms_plogi_accepts++;
3264                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3265                 break;
3266
3267         case FC_ELS_LS_RJT:
3268                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
3269
3270                 bfa_trc(port->fcs, ls_rjt->reason_code);
3271                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
3272
3273                 port->stats.ms_rejects++;
3274                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3275                 break;
3276
3277         default:
3278                 port->stats.ms_plogi_unknown_rsp++;
3279                 bfa_trc(port->fcs, els_cmd->els_code);
3280                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3281         }
3282 }
3283
3284 static void
3285 bfa_fcs_lport_ms_timeout(void *arg)
3286 {
3287         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
3288
3289         ms->port->stats.ms_timeouts++;
3290         bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
3291 }
3292
3293
3294 void
3295 bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
3296 {
3297         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3298
3299         ms->port = port;
3300         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3301
3302         /*
3303          * Invoke init routines of sub modules.
3304          */
3305         bfa_fcs_lport_fdmi_init(ms);
3306 }
3307
3308 void
3309 bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
3310 {
3311         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3312
3313         ms->port = port;
3314         bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
3315         bfa_fcs_lport_fdmi_offline(ms);
3316 }
3317
3318 void
3319 bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
3320 {
3321         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3322
3323         ms->port = port;
3324         bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
3325 }
3326 void
3327 bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
3328 {
3329         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3330
3331         /* todo.  Handle this only  when in Online state */
3332         if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
3333                 bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
3334 }
3335
3336 /*
3337  * @page ns_sm_info VPORT NS State Machine
3338  *
3339  * @section ns_sm_interactions VPORT NS State Machine Interactions
3340  *
3341  * @section ns_sm VPORT NS State Machine
3342  * img ns_sm.jpg
3343  */
3344
3345 /*
3346  * forward declarations
3347  */
3348 static void     bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
3349                                            struct bfa_fcxp_s *fcxp_alloced);
3350 static void     bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
3351                                              struct bfa_fcxp_s *fcxp_alloced);
3352 static void     bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
3353                                             struct bfa_fcxp_s *fcxp_alloced);
3354 static void     bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
3355                                             struct bfa_fcxp_s *fcxp_alloced);
3356 static void     bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
3357                                             struct bfa_fcxp_s *fcxp_alloced);
3358 static void     bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg,
3359                                         struct bfa_fcxp_s *fcxp_alloced);
3360 static void     bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg,
3361                                         struct bfa_fcxp_s *fcxp_alloced);
3362 static void     bfa_fcs_lport_ns_timeout(void *arg);
3363 static void     bfa_fcs_lport_ns_plogi_response(void *fcsarg,
3364                                                struct bfa_fcxp_s *fcxp,
3365                                                void *cbarg,
3366                                                bfa_status_t req_status,
3367                                                u32 rsp_len,
3368                                                u32 resid_len,
3369                                                struct fchs_s *rsp_fchs);
3370 static void     bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
3371                                                  struct bfa_fcxp_s *fcxp,
3372                                                  void *cbarg,
3373                                                  bfa_status_t req_status,
3374                                                  u32 rsp_len,
3375                                                  u32 resid_len,
3376                                                  struct fchs_s *rsp_fchs);
3377 static void     bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
3378                                                 struct bfa_fcxp_s *fcxp,
3379                                                 void *cbarg,
3380                                                 bfa_status_t req_status,
3381                                                 u32 rsp_len,
3382                                                 u32 resid_len,
3383                                                 struct fchs_s *rsp_fchs);
3384 static void     bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
3385                                                 struct bfa_fcxp_s *fcxp,
3386                                                 void *cbarg,
3387                                                 bfa_status_t req_status,
3388                                                 u32 rsp_len,
3389                                                 u32 resid_len,
3390                                                 struct fchs_s *rsp_fchs);
3391 static void     bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
3392                                                 struct bfa_fcxp_s *fcxp,
3393                                                 void *cbarg,
3394                                                 bfa_status_t req_status,
3395                                                 u32 rsp_len,
3396                                                 u32 resid_len,
3397                                                 struct fchs_s *rsp_fchs);
3398 static void     bfa_fcs_lport_ns_rnn_id_response(void *fcsarg,
3399                                                 struct bfa_fcxp_s *fcxp,
3400                                                 void *cbarg,
3401                                                 bfa_status_t req_status,
3402                                                 u32 rsp_len,
3403                                                 u32 resid_len,
3404                                                 struct fchs_s *rsp_fchs);
3405 static void     bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg,
3406                                                 struct bfa_fcxp_s *fcxp,
3407                                                 void *cbarg,
3408                                                 bfa_status_t req_status,
3409                                                 u32 rsp_len,
3410                                                 u32 resid_len,
3411                                                 struct fchs_s *rsp_fchs);
3412 static void     bfa_fcs_lport_ns_process_gidft_pids(
3413                                 struct bfa_fcs_lport_s *port,
3414                                 u32 *pid_buf, u32 n_pids);
3415
3416 static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
3417 /*
3418  *  fcs_ns_sm FCS nameserver interface state machine
3419  */
3420
3421 /*
3422  * VPort NS State Machine events
3423  */
3424 enum vport_ns_event {
3425         NSSM_EVENT_PORT_ONLINE = 1,
3426         NSSM_EVENT_PORT_OFFLINE = 2,
3427         NSSM_EVENT_PLOGI_SENT = 3,
3428         NSSM_EVENT_RSP_OK = 4,
3429         NSSM_EVENT_RSP_ERROR = 5,
3430         NSSM_EVENT_TIMEOUT = 6,
3431         NSSM_EVENT_NS_QUERY = 7,
3432         NSSM_EVENT_RSPNID_SENT = 8,
3433         NSSM_EVENT_RFTID_SENT = 9,
3434         NSSM_EVENT_RFFID_SENT = 10,
3435         NSSM_EVENT_GIDFT_SENT = 11,
3436         NSSM_EVENT_RNNID_SENT = 12,
3437         NSSM_EVENT_RSNN_NN_SENT = 13,
3438 };
3439
3440 static void     bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3441                                            enum vport_ns_event event);
3442 static void     bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3443                                                  enum vport_ns_event event);
3444 static void     bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3445                                          enum vport_ns_event event);
3446 static void     bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3447                                                enum vport_ns_event event);
3448 static void     bfa_fcs_lport_ns_sm_sending_rspn_id(
3449                                         struct bfa_fcs_lport_ns_s *ns,
3450                                         enum vport_ns_event event);
3451 static void     bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3452                                            enum vport_ns_event event);
3453 static void     bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3454                                                  enum vport_ns_event event);
3455 static void     bfa_fcs_lport_ns_sm_sending_rft_id(
3456                                         struct bfa_fcs_lport_ns_s *ns,
3457                                         enum vport_ns_event event);
3458 static void     bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3459                                                 enum vport_ns_event event);
3460 static void     bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3461                                           enum vport_ns_event event);
3462 static void     bfa_fcs_lport_ns_sm_sending_rff_id(
3463                                         struct bfa_fcs_lport_ns_s *ns,
3464                                         enum vport_ns_event event);
3465 static void     bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3466                                                 enum vport_ns_event event);
3467 static void     bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3468                                           enum vport_ns_event event);
3469 static void     bfa_fcs_lport_ns_sm_sending_gid_ft(
3470                                         struct bfa_fcs_lport_ns_s *ns,
3471                                         enum vport_ns_event event);
3472 static void     bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3473                                           enum vport_ns_event event);
3474 static void     bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3475                                                 enum vport_ns_event event);
3476 static void     bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3477                                           enum vport_ns_event event);
3478 static void     bfa_fcs_lport_ns_sm_sending_rnn_id(
3479                                         struct bfa_fcs_lport_ns_s *ns,
3480                                         enum vport_ns_event event);
3481 static void     bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3482                                         enum vport_ns_event event);
3483 static void     bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3484                                                 enum vport_ns_event event);
3485 static void     bfa_fcs_lport_ns_sm_sending_rsnn_nn(
3486                                         struct bfa_fcs_lport_ns_s *ns,
3487                                         enum vport_ns_event event);
3488 static void     bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3489                                                 enum vport_ns_event event);
3490 static void     bfa_fcs_lport_ns_sm_rsnn_nn_retry(
3491                                         struct bfa_fcs_lport_ns_s *ns,
3492                                         enum vport_ns_event event);
3493 /*
3494  *      Start in offline state - awaiting linkup
3495  */
3496 static void
3497 bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3498                         enum vport_ns_event event)
3499 {
3500         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3501         bfa_trc(ns->port->fcs, event);
3502
3503         switch (event) {
3504         case NSSM_EVENT_PORT_ONLINE:
3505                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3506                 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3507                 break;
3508
3509         case NSSM_EVENT_PORT_OFFLINE:
3510                 break;
3511
3512         default:
3513                 bfa_sm_fault(ns->port->fcs, event);
3514         }
3515 }
3516
3517 static void
3518 bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3519                         enum vport_ns_event event)
3520 {
3521         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3522         bfa_trc(ns->port->fcs, event);
3523
3524         switch (event) {
3525         case NSSM_EVENT_PLOGI_SENT:
3526                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
3527                 break;
3528
3529         case NSSM_EVENT_PORT_OFFLINE:
3530                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3531                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3532                                            &ns->fcxp_wqe);
3533                 break;
3534
3535         default:
3536                 bfa_sm_fault(ns->port->fcs, event);
3537         }
3538 }
3539
3540 static void
3541 bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3542                         enum vport_ns_event event)
3543 {
3544         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3545         bfa_trc(ns->port->fcs, event);
3546
3547         switch (event) {
3548         case NSSM_EVENT_RSP_ERROR:
3549                 /*
3550                  * Start timer for a delayed retry
3551                  */
3552                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
3553                 ns->port->stats.ns_retries++;
3554                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3555                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3556                                     BFA_FCS_RETRY_TIMEOUT);
3557                 break;
3558
3559         case NSSM_EVENT_RSP_OK:
3560                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3561                 ns->num_rnnid_retries = 0;
3562                 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3563                 break;
3564
3565         case NSSM_EVENT_PORT_OFFLINE:
3566                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3567                 bfa_fcxp_discard(ns->fcxp);
3568                 break;
3569
3570         default:
3571                 bfa_sm_fault(ns->port->fcs, event);
3572         }
3573 }
3574
3575 static void
3576 bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3577                                 enum vport_ns_event event)
3578 {
3579         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3580         bfa_trc(ns->port->fcs, event);
3581
3582         switch (event) {
3583         case NSSM_EVENT_TIMEOUT:
3584                 /*
3585                  * Retry Timer Expired. Re-send
3586                  */
3587                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3588                 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3589                 break;
3590
3591         case NSSM_EVENT_PORT_OFFLINE:
3592                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3593                 bfa_timer_stop(&ns->timer);
3594                 break;
3595
3596         default:
3597                 bfa_sm_fault(ns->port->fcs, event);
3598         }
3599 }
3600
3601 static void
3602 bfa_fcs_lport_ns_sm_sending_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3603                                         enum vport_ns_event event)
3604 {
3605         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3606         bfa_trc(ns->port->fcs, event);
3607
3608         switch (event) {
3609         case NSSM_EVENT_RNNID_SENT:
3610                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id);
3611                 break;
3612
3613         case NSSM_EVENT_PORT_OFFLINE:
3614                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3615                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3616                                                 &ns->fcxp_wqe);
3617                 break;
3618         default:
3619                 bfa_sm_fault(ns->port->fcs, event);
3620         }
3621 }
3622
3623 static void
3624 bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3625                                 enum vport_ns_event event)
3626 {
3627         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3628         bfa_trc(ns->port->fcs, event);
3629
3630         switch (event) {
3631         case NSSM_EVENT_RSP_OK:
3632                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3633                 ns->num_rnnid_retries = 0;
3634                 ns->num_rsnn_nn_retries = 0;
3635                 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3636                 break;
3637
3638         case NSSM_EVENT_RSP_ERROR:
3639                 if (ns->num_rnnid_retries < BFA_FCS_MAX_NS_RETRIES) {
3640                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id_retry);
3641                         ns->port->stats.ns_retries++;
3642                         ns->num_rnnid_retries++;
3643                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3644                                 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3645                                 BFA_FCS_RETRY_TIMEOUT);
3646                 } else {
3647                         bfa_sm_set_state(ns,
3648                                 bfa_fcs_lport_ns_sm_sending_rspn_id);
3649                         bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3650                 }
3651                 break;
3652
3653         case NSSM_EVENT_PORT_OFFLINE:
3654                 bfa_fcxp_discard(ns->fcxp);
3655                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3656                 break;
3657
3658         default:
3659                 bfa_sm_fault(ns->port->fcs, event);
3660         }
3661 }
3662
3663 static void
3664 bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3665                                 enum vport_ns_event event)
3666 {
3667         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3668         bfa_trc(ns->port->fcs, event);
3669
3670         switch (event) {
3671         case NSSM_EVENT_TIMEOUT:
3672                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3673                 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3674                 break;
3675
3676         case NSSM_EVENT_PORT_OFFLINE:
3677                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3678                 bfa_timer_stop(&ns->timer);
3679                 break;
3680
3681         default:
3682                 bfa_sm_fault(ns->port->fcs, event);
3683         }
3684 }
3685
3686 static void
3687 bfa_fcs_lport_ns_sm_sending_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3688                                         enum vport_ns_event event)
3689 {
3690         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3691         bfa_trc(ns->port->fcs, event);
3692
3693         switch (event) {
3694         case NSSM_EVENT_RSNN_NN_SENT:
3695                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn);
3696                 break;
3697
3698         case NSSM_EVENT_PORT_OFFLINE:
3699                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3700                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3701                         &ns->fcxp_wqe);
3702                 break;
3703
3704         default:
3705                 bfa_sm_fault(ns->port->fcs, event);
3706         }
3707 }
3708
3709 static void
3710 bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3711                                 enum vport_ns_event event)
3712 {
3713         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3714         bfa_trc(ns->port->fcs, event);
3715
3716         switch (event) {
3717         case NSSM_EVENT_RSP_OK:
3718                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3719                 ns->num_rsnn_nn_retries = 0;
3720                 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3721                 break;
3722
3723         case NSSM_EVENT_RSP_ERROR:
3724                 if (ns->num_rsnn_nn_retries < BFA_FCS_MAX_NS_RETRIES) {
3725                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn_retry);
3726                         ns->port->stats.ns_retries++;
3727                         ns->num_rsnn_nn_retries++;
3728                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3729                                         &ns->timer, bfa_fcs_lport_ns_timeout,
3730                                         ns, BFA_FCS_RETRY_TIMEOUT);
3731                 } else {
3732                         bfa_sm_set_state(ns,
3733                                 bfa_fcs_lport_ns_sm_sending_rspn_id);
3734                         bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3735                 }
3736                 break;
3737
3738         case NSSM_EVENT_PORT_OFFLINE:
3739                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3740                 bfa_fcxp_discard(ns->fcxp);
3741                 break;
3742
3743         default:
3744                 bfa_sm_fault(ns->port->fcs, event);
3745         }
3746 }
3747
3748 static void
3749 bfa_fcs_lport_ns_sm_rsnn_nn_retry(struct bfa_fcs_lport_ns_s *ns,
3750                                         enum vport_ns_event event)
3751 {
3752         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3753         bfa_trc(ns->port->fcs, event);
3754
3755         switch (event) {
3756         case NSSM_EVENT_TIMEOUT:
3757                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3758                 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3759                 break;
3760
3761         case NSSM_EVENT_PORT_OFFLINE:
3762                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3763                 bfa_timer_stop(&ns->timer);
3764                 break;
3765
3766         default:
3767                 bfa_sm_fault(ns->port->fcs, event);
3768         }
3769 }
3770
3771 static void
3772 bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3773                                    enum vport_ns_event event)
3774 {
3775         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3776         bfa_trc(ns->port->fcs, event);
3777
3778         switch (event) {
3779         case NSSM_EVENT_RSPNID_SENT:
3780                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
3781                 break;
3782
3783         case NSSM_EVENT_PORT_OFFLINE:
3784                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3785                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3786                                            &ns->fcxp_wqe);
3787                 break;
3788
3789         default:
3790                 bfa_sm_fault(ns->port->fcs, event);
3791         }
3792 }
3793
3794 static void
3795 bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3796                         enum vport_ns_event event)
3797 {
3798         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3799         bfa_trc(ns->port->fcs, event);
3800
3801         switch (event) {
3802         case NSSM_EVENT_RSP_ERROR:
3803                 /*
3804                  * Start timer for a delayed retry
3805                  */
3806                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
3807                 ns->port->stats.ns_retries++;
3808                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3809                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3810                                     BFA_FCS_RETRY_TIMEOUT);
3811                 break;
3812
3813         case NSSM_EVENT_RSP_OK:
3814                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
3815                 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
3816                 break;
3817
3818         case NSSM_EVENT_PORT_OFFLINE:
3819                 bfa_fcxp_discard(ns->fcxp);
3820                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3821                 break;
3822
3823         default:
3824                 bfa_sm_fault(ns->port->fcs, event);
3825         }
3826 }
3827
3828 static void
3829 bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3830                                 enum vport_ns_event event)
3831 {
3832         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3833         bfa_trc(ns->port->fcs, event);
3834
3835         switch (event) {
3836         case NSSM_EVENT_TIMEOUT:
3837                 /*
3838                  * Retry Timer Expired. Re-send
3839                  */
3840                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3841                 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3842                 break;
3843
3844         case NSSM_EVENT_PORT_OFFLINE:
3845                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3846                 bfa_timer_stop(&ns->timer);
3847                 break;
3848
3849         default:
3850                 bfa_sm_fault(ns->port->fcs, event);
3851         }
3852 }
3853
3854 static void
3855 bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
3856                                   enum vport_ns_event event)
3857 {
3858         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3859         bfa_trc(ns->port->fcs, event);
3860
3861         switch (event) {
3862         case NSSM_EVENT_RFTID_SENT:
3863                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
3864                 break;
3865
3866         case NSSM_EVENT_PORT_OFFLINE:
3867                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3868                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3869                                            &ns->fcxp_wqe);
3870                 break;
3871
3872         default:
3873                 bfa_sm_fault(ns->port->fcs, event);
3874         }
3875 }
3876
3877 static void
3878 bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3879                         enum vport_ns_event event)
3880 {
3881         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3882         bfa_trc(ns->port->fcs, event);
3883
3884         switch (event) {
3885         case NSSM_EVENT_RSP_OK:
3886                 /* Now move to register FC4 Features */
3887                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
3888                 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
3889                 break;
3890
3891         case NSSM_EVENT_RSP_ERROR:
3892                 /*
3893                  * Start timer for a delayed retry
3894                  */
3895                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
3896                 ns->port->stats.ns_retries++;
3897                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3898                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3899                                     BFA_FCS_RETRY_TIMEOUT);
3900                 break;
3901
3902         case NSSM_EVENT_PORT_OFFLINE:
3903                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3904                 bfa_fcxp_discard(ns->fcxp);
3905                 break;
3906
3907         default:
3908                 bfa_sm_fault(ns->port->fcs, event);
3909         }
3910 }
3911
3912 static void
3913 bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3914                                 enum vport_ns_event event)
3915 {
3916         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3917         bfa_trc(ns->port->fcs, event);
3918
3919         switch (event) {
3920         case NSSM_EVENT_TIMEOUT:
3921                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
3922                 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
3923                 break;
3924
3925         case NSSM_EVENT_PORT_OFFLINE:
3926                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3927                 bfa_timer_stop(&ns->timer);
3928                 break;
3929
3930         default:
3931                 bfa_sm_fault(ns->port->fcs, event);
3932         }
3933 }
3934
3935 static void
3936 bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
3937                                   enum vport_ns_event event)
3938 {
3939         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3940         bfa_trc(ns->port->fcs, event);
3941
3942         switch (event) {
3943         case NSSM_EVENT_RFFID_SENT:
3944                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
3945                 break;
3946
3947         case NSSM_EVENT_PORT_OFFLINE:
3948                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3949                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3950                                            &ns->fcxp_wqe);
3951                 break;
3952
3953         default:
3954                 bfa_sm_fault(ns->port->fcs, event);
3955         }
3956 }
3957
3958 static void
3959 bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3960                         enum vport_ns_event event)
3961 {
3962         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3963         bfa_trc(ns->port->fcs, event);
3964
3965         switch (event) {
3966         case NSSM_EVENT_RSP_OK:
3967
3968                 /*
3969                  * If min cfg mode is enabled, we donot initiate rport
3970                  * discovery with the fabric. Instead, we will retrieve the
3971                  * boot targets from HAL/FW.
3972                  */
3973                 if (__fcs_min_cfg(ns->port->fcs)) {
3974                         bfa_fcs_lport_ns_boot_target_disc(ns->port);
3975                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
3976                         return;
3977                 }
3978
3979                 /*
3980                  * If the port role is Initiator Mode issue NS query.
3981                  * If it is Target Mode, skip this and go to online.
3982                  */
3983                 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
3984                         bfa_sm_set_state(ns,
3985                                 bfa_fcs_lport_ns_sm_sending_gid_ft);
3986                         bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
3987                 }
3988                 /*
3989                  * kick off mgmt srvr state machine
3990                  */
3991                 bfa_fcs_lport_ms_online(ns->port);
3992                 break;
3993
3994         case NSSM_EVENT_RSP_ERROR:
3995                 /*
3996                  * Start timer for a delayed retry
3997                  */
3998                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
3999                 ns->port->stats.ns_retries++;
4000                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4001                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4002                                     BFA_FCS_RETRY_TIMEOUT);
4003                 break;
4004
4005         case NSSM_EVENT_PORT_OFFLINE:
4006                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4007                 bfa_fcxp_discard(ns->fcxp);
4008                 break;
4009
4010         default:
4011                 bfa_sm_fault(ns->port->fcs, event);
4012         }
4013 }
4014
4015 static void
4016 bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
4017                                 enum vport_ns_event event)
4018 {
4019         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4020         bfa_trc(ns->port->fcs, event);
4021
4022         switch (event) {
4023         case NSSM_EVENT_TIMEOUT:
4024                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4025                 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4026                 break;
4027
4028         case NSSM_EVENT_PORT_OFFLINE:
4029                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4030                 bfa_timer_stop(&ns->timer);
4031                 break;
4032
4033         default:
4034                 bfa_sm_fault(ns->port->fcs, event);
4035         }
4036 }
4037 static void
4038 bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4039                                   enum vport_ns_event event)
4040 {
4041         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4042         bfa_trc(ns->port->fcs, event);
4043
4044         switch (event) {
4045         case NSSM_EVENT_GIDFT_SENT:
4046                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
4047                 break;
4048
4049         case NSSM_EVENT_PORT_OFFLINE:
4050                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4051                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4052                                            &ns->fcxp_wqe);
4053                 break;
4054
4055         default:
4056                 bfa_sm_fault(ns->port->fcs, event);
4057         }
4058 }
4059
4060 static void
4061 bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4062                         enum vport_ns_event event)
4063 {
4064         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4065         bfa_trc(ns->port->fcs, event);
4066
4067         switch (event) {
4068         case NSSM_EVENT_RSP_OK:
4069                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4070                 break;
4071
4072         case NSSM_EVENT_RSP_ERROR:
4073                 /*
4074                  * TBD: for certain reject codes, we don't need to retry
4075                  */
4076                 /*
4077                  * Start timer for a delayed retry
4078                  */
4079                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
4080                 ns->port->stats.ns_retries++;
4081                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4082                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4083                                     BFA_FCS_RETRY_TIMEOUT);
4084                 break;
4085
4086         case NSSM_EVENT_PORT_OFFLINE:
4087                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4088                 bfa_fcxp_discard(ns->fcxp);
4089                 break;
4090
4091         case  NSSM_EVENT_NS_QUERY:
4092                 break;
4093
4094         default:
4095                 bfa_sm_fault(ns->port->fcs, event);
4096         }
4097 }
4098
4099 static void
4100 bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
4101                                 enum vport_ns_event event)
4102 {
4103         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4104         bfa_trc(ns->port->fcs, event);
4105
4106         switch (event) {
4107         case NSSM_EVENT_TIMEOUT:
4108                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
4109                 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4110                 break;
4111
4112         case NSSM_EVENT_PORT_OFFLINE:
4113                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4114                 bfa_timer_stop(&ns->timer);
4115                 break;
4116
4117         default:
4118                 bfa_sm_fault(ns->port->fcs, event);
4119         }
4120 }
4121
4122 static void
4123 bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
4124                         enum vport_ns_event event)
4125 {
4126         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4127         bfa_trc(ns->port->fcs, event);
4128
4129         switch (event) {
4130         case NSSM_EVENT_PORT_OFFLINE:
4131                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4132                 break;
4133
4134         case NSSM_EVENT_NS_QUERY:
4135                 /*
4136                  * If the port role is Initiator Mode issue NS query.
4137                  * If it is Target Mode, skip this and go to online.
4138                  */
4139                 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4140                         bfa_sm_set_state(ns,
4141                                 bfa_fcs_lport_ns_sm_sending_gid_ft);
4142                         bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4143                 };
4144                 break;
4145
4146         default:
4147                 bfa_sm_fault(ns->port->fcs, event);
4148         }
4149 }
4150
4151
4152
4153 /*
4154  *  ns_pvt Nameserver local functions
4155  */
4156
4157 static void
4158 bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4159 {
4160         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4161         struct bfa_fcs_lport_s *port = ns->port;
4162         struct fchs_s fchs;
4163         int             len;
4164         struct bfa_fcxp_s *fcxp;
4165
4166         bfa_trc(port->fcs, port->pid);
4167
4168         fcxp = fcxp_alloced ? fcxp_alloced :
4169                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4170         if (!fcxp) {
4171                 port->stats.ns_plogi_alloc_wait++;
4172                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4173                                 bfa_fcs_lport_ns_send_plogi, ns, BFA_TRUE);
4174                 return;
4175         }
4176         ns->fcxp = fcxp;
4177
4178         len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4179                              bfa_hton3b(FC_NAME_SERVER),
4180                              bfa_fcs_lport_get_fcid(port), 0,
4181                              port->port_cfg.pwwn, port->port_cfg.nwwn,
4182                              bfa_fcport_get_maxfrsize(port->fcs->bfa),
4183                              bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
4184
4185         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4186                           FC_CLASS_3, len, &fchs,
4187                           bfa_fcs_lport_ns_plogi_response, (void *)ns,
4188                           FC_MAX_PDUSZ, FC_ELS_TOV);
4189         port->stats.ns_plogi_sent++;
4190
4191         bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
4192 }
4193
4194 static void
4195 bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4196                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
4197                        u32 resid_len, struct fchs_s *rsp_fchs)
4198 {
4199         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4200         struct bfa_fcs_lport_s *port = ns->port;
4201         /* struct fc_logi_s *plogi_resp; */
4202         struct fc_els_cmd_s *els_cmd;
4203         struct fc_ls_rjt_s *ls_rjt;
4204
4205         bfa_trc(port->fcs, req_status);
4206         bfa_trc(port->fcs, port->port_cfg.pwwn);
4207
4208         /*
4209          * Sanity Checks
4210          */
4211         if (req_status != BFA_STATUS_OK) {
4212                 bfa_trc(port->fcs, req_status);
4213                 port->stats.ns_plogi_rsp_err++;
4214                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4215                 return;
4216         }
4217
4218         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
4219
4220         switch (els_cmd->els_code) {
4221
4222         case FC_ELS_ACC:
4223                 if (rsp_len < sizeof(struct fc_logi_s)) {
4224                         bfa_trc(port->fcs, rsp_len);
4225                         port->stats.ns_plogi_acc_err++;
4226                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4227                         break;
4228                 }
4229                 port->stats.ns_plogi_accepts++;
4230                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4231                 break;
4232
4233         case FC_ELS_LS_RJT:
4234                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
4235
4236                 bfa_trc(port->fcs, ls_rjt->reason_code);
4237                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
4238
4239                 port->stats.ns_rejects++;
4240
4241                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4242                 break;
4243
4244         default:
4245                 port->stats.ns_plogi_unknown_rsp++;
4246                 bfa_trc(port->fcs, els_cmd->els_code);
4247                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4248         }
4249 }
4250
4251 /*
4252  * Register node name for port_id
4253  */
4254 static void
4255 bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4256 {
4257         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4258         struct bfa_fcs_lport_s *port = ns->port;
4259         struct fchs_s  fchs;
4260         int     len;
4261         struct bfa_fcxp_s *fcxp;
4262
4263         bfa_trc(port->fcs, port->port_cfg.pwwn);
4264
4265         fcxp = fcxp_alloced ? fcxp_alloced :
4266                         bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4267         if (!fcxp) {
4268                 port->stats.ns_rnnid_alloc_wait++;
4269                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4270                                 bfa_fcs_lport_ns_send_rnn_id, ns, BFA_TRUE);
4271                 return;
4272         }
4273
4274         ns->fcxp = fcxp;
4275
4276         len = fc_rnnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4277                                 bfa_fcs_lport_get_fcid(port),
4278                                 bfa_fcs_lport_get_fcid(port),
4279                                 bfa_fcs_lport_get_nwwn(port));
4280
4281         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4282                           FC_CLASS_3, len, &fchs,
4283                           bfa_fcs_lport_ns_rnn_id_response, (void *)ns,
4284                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4285
4286         port->stats.ns_rnnid_sent++;
4287         bfa_sm_send_event(ns, NSSM_EVENT_RNNID_SENT);
4288 }
4289
4290 static void
4291 bfa_fcs_lport_ns_rnn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4292                                 void *cbarg, bfa_status_t req_status,
4293                                 u32 rsp_len, u32 resid_len,
4294                                 struct fchs_s *rsp_fchs)
4295
4296 {
4297         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4298         struct bfa_fcs_lport_s *port = ns->port;
4299         struct ct_hdr_s *cthdr = NULL;
4300
4301         bfa_trc(port->fcs, port->port_cfg.pwwn);
4302
4303         /*
4304          * Sanity Checks
4305          */
4306         if (req_status != BFA_STATUS_OK) {
4307                 bfa_trc(port->fcs, req_status);
4308                 port->stats.ns_rnnid_rsp_err++;
4309                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4310                 return;
4311         }
4312
4313         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4314         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4315
4316         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4317                 port->stats.ns_rnnid_accepts++;
4318                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4319                 return;
4320         }
4321
4322         port->stats.ns_rnnid_rejects++;
4323         bfa_trc(port->fcs, cthdr->reason_code);
4324         bfa_trc(port->fcs, cthdr->exp_code);
4325         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4326 }
4327
4328 /*
4329  * Register the symbolic node name for a given node name.
4330  */
4331 static void
4332 bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4333 {
4334         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4335         struct bfa_fcs_lport_s *port = ns->port;
4336         struct fchs_s  fchs;
4337         int     len;
4338         struct bfa_fcxp_s *fcxp;
4339         u8 *nsymbl;
4340
4341         bfa_trc(port->fcs, port->port_cfg.pwwn);
4342
4343         fcxp = fcxp_alloced ? fcxp_alloced :
4344                         bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4345         if (!fcxp) {
4346                 port->stats.ns_rsnn_nn_alloc_wait++;
4347                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4348                                 bfa_fcs_lport_ns_send_rsnn_nn, ns, BFA_TRUE);
4349                 return;
4350         }
4351         ns->fcxp = fcxp;
4352
4353         nsymbl = (u8 *) &(bfa_fcs_lport_get_nsym_name(
4354                                         bfa_fcs_get_base_port(port->fcs)));
4355
4356         len = fc_rsnn_nn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4357                                 bfa_fcs_lport_get_fcid(port),
4358                                 bfa_fcs_lport_get_nwwn(port), nsymbl);
4359
4360         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4361                           FC_CLASS_3, len, &fchs,
4362                           bfa_fcs_lport_ns_rsnn_nn_response, (void *)ns,
4363                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4364
4365         port->stats.ns_rsnn_nn_sent++;
4366
4367         bfa_sm_send_event(ns, NSSM_EVENT_RSNN_NN_SENT);
4368 }
4369
4370 static void
4371 bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4372                                 void *cbarg, bfa_status_t req_status,
4373                                 u32 rsp_len, u32 resid_len,
4374                                 struct fchs_s *rsp_fchs)
4375 {
4376         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4377         struct bfa_fcs_lport_s *port = ns->port;
4378         struct ct_hdr_s *cthdr = NULL;
4379
4380         bfa_trc(port->fcs, port->port_cfg.pwwn);
4381
4382         /*
4383          * Sanity Checks
4384          */
4385         if (req_status != BFA_STATUS_OK) {
4386                 bfa_trc(port->fcs, req_status);
4387                 port->stats.ns_rsnn_nn_rsp_err++;
4388                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4389                 return;
4390         }
4391
4392         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4393         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4394
4395         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4396                 port->stats.ns_rsnn_nn_accepts++;
4397                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4398                 return;
4399         }
4400
4401         port->stats.ns_rsnn_nn_rejects++;
4402         bfa_trc(port->fcs, cthdr->reason_code);
4403         bfa_trc(port->fcs, cthdr->exp_code);
4404         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4405 }
4406
4407 /*
4408  * Register the symbolic port name.
4409  */
4410 static void
4411 bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4412 {
4413         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4414         struct bfa_fcs_lport_s *port = ns->port;
4415         struct fchs_s fchs;
4416         int             len;
4417         struct bfa_fcxp_s *fcxp;
4418         u8         symbl[256];
4419         u8         *psymbl = &symbl[0];
4420
4421         memset(symbl, 0, sizeof(symbl));
4422
4423         bfa_trc(port->fcs, port->port_cfg.pwwn);
4424
4425         fcxp = fcxp_alloced ? fcxp_alloced :
4426                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4427         if (!fcxp) {
4428                 port->stats.ns_rspnid_alloc_wait++;
4429                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4430                                 bfa_fcs_lport_ns_send_rspn_id, ns, BFA_TRUE);
4431                 return;
4432         }
4433         ns->fcxp = fcxp;
4434
4435         /*
4436          * for V-Port, form a Port Symbolic Name
4437          */
4438         if (port->vport) {
4439                 /*
4440                  * For Vports, we append the vport's port symbolic name
4441                  * to that of the base port.
4442                  */
4443
4444                 strncpy((char *)psymbl,
4445                         (char *) &
4446                         (bfa_fcs_lport_get_psym_name
4447                          (bfa_fcs_get_base_port(port->fcs))),
4448                         strlen((char *) &
4449                                bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
4450                                                           (port->fcs))));
4451
4452                 /* Ensure we have a null terminating string. */
4453                 ((char *)psymbl)[strlen((char *) &
4454                         bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
4455                                                 (port->fcs)))] = 0;
4456                 strncat((char *)psymbl,
4457                         (char *) &(bfa_fcs_lport_get_psym_name(port)),
4458                 strlen((char *) &bfa_fcs_lport_get_psym_name(port)));
4459         } else {
4460                 psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
4461         }
4462
4463         len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4464                               bfa_fcs_lport_get_fcid(port), 0, psymbl);
4465
4466         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4467                           FC_CLASS_3, len, &fchs,
4468                           bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
4469                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4470
4471         port->stats.ns_rspnid_sent++;
4472
4473         bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
4474 }
4475
4476 static void
4477 bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4478                                  void *cbarg, bfa_status_t req_status,
4479                                  u32 rsp_len, u32 resid_len,
4480                                  struct fchs_s *rsp_fchs)
4481 {
4482         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4483         struct bfa_fcs_lport_s *port = ns->port;
4484         struct ct_hdr_s *cthdr = NULL;
4485
4486         bfa_trc(port->fcs, port->port_cfg.pwwn);
4487
4488         /*
4489          * Sanity Checks
4490          */
4491         if (req_status != BFA_STATUS_OK) {
4492                 bfa_trc(port->fcs, req_status);
4493                 port->stats.ns_rspnid_rsp_err++;
4494                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4495                 return;
4496         }
4497
4498         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4499         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4500
4501         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4502                 port->stats.ns_rspnid_accepts++;
4503                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4504                 return;
4505         }
4506
4507         port->stats.ns_rspnid_rejects++;
4508         bfa_trc(port->fcs, cthdr->reason_code);
4509         bfa_trc(port->fcs, cthdr->exp_code);
4510         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4511 }
4512
4513 /*
4514  * Register FC4-Types
4515  */
4516 static void
4517 bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4518 {
4519         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4520         struct bfa_fcs_lport_s *port = ns->port;
4521         struct fchs_s fchs;
4522         int             len;
4523         struct bfa_fcxp_s *fcxp;
4524
4525         bfa_trc(port->fcs, port->port_cfg.pwwn);
4526
4527         fcxp = fcxp_alloced ? fcxp_alloced :
4528                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4529         if (!fcxp) {
4530                 port->stats.ns_rftid_alloc_wait++;
4531                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4532                                 bfa_fcs_lport_ns_send_rft_id, ns, BFA_TRUE);
4533                 return;
4534         }
4535         ns->fcxp = fcxp;
4536
4537         len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4538                      bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
4539
4540         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4541                           FC_CLASS_3, len, &fchs,
4542                           bfa_fcs_lport_ns_rft_id_response, (void *)ns,
4543                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4544
4545         port->stats.ns_rftid_sent++;
4546         bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
4547 }
4548
4549 static void
4550 bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4551                                 void *cbarg, bfa_status_t req_status,
4552                                 u32 rsp_len, u32 resid_len,
4553                                 struct fchs_s *rsp_fchs)
4554 {
4555         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4556         struct bfa_fcs_lport_s *port = ns->port;
4557         struct ct_hdr_s *cthdr = NULL;
4558
4559         bfa_trc(port->fcs, port->port_cfg.pwwn);
4560
4561         /*
4562          * Sanity Checks
4563          */
4564         if (req_status != BFA_STATUS_OK) {
4565                 bfa_trc(port->fcs, req_status);
4566                 port->stats.ns_rftid_rsp_err++;
4567                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4568                 return;
4569         }
4570
4571         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4572         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4573
4574         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4575                 port->stats.ns_rftid_accepts++;
4576                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4577                 return;
4578         }
4579
4580         port->stats.ns_rftid_rejects++;
4581         bfa_trc(port->fcs, cthdr->reason_code);
4582         bfa_trc(port->fcs, cthdr->exp_code);
4583         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4584 }
4585
4586 /*
4587  * Register FC4-Features : Should be done after RFT_ID
4588  */
4589 static void
4590 bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4591 {
4592         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4593         struct bfa_fcs_lport_s *port = ns->port;
4594         struct fchs_s fchs;
4595         int             len;
4596         struct bfa_fcxp_s *fcxp;
4597         u8                      fc4_ftrs = 0;
4598
4599         bfa_trc(port->fcs, port->port_cfg.pwwn);
4600
4601         fcxp = fcxp_alloced ? fcxp_alloced :
4602                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4603         if (!fcxp) {
4604                 port->stats.ns_rffid_alloc_wait++;
4605                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4606                                 bfa_fcs_lport_ns_send_rff_id, ns, BFA_TRUE);
4607                 return;
4608         }
4609         ns->fcxp = fcxp;
4610
4611         if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
4612                 fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
4613
4614         len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4615                              bfa_fcs_lport_get_fcid(port), 0,
4616                                  FC_TYPE_FCP, fc4_ftrs);
4617
4618         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4619                           FC_CLASS_3, len, &fchs,
4620                           bfa_fcs_lport_ns_rff_id_response, (void *)ns,
4621                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4622
4623         port->stats.ns_rffid_sent++;
4624         bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
4625 }
4626
4627 static void
4628 bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4629                                 void *cbarg, bfa_status_t req_status,
4630                                 u32 rsp_len, u32 resid_len,
4631                                 struct fchs_s *rsp_fchs)
4632 {
4633         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4634         struct bfa_fcs_lport_s *port = ns->port;
4635         struct ct_hdr_s *cthdr = NULL;
4636
4637         bfa_trc(port->fcs, port->port_cfg.pwwn);
4638
4639         /*
4640          * Sanity Checks
4641          */
4642         if (req_status != BFA_STATUS_OK) {
4643                 bfa_trc(port->fcs, req_status);
4644                 port->stats.ns_rffid_rsp_err++;
4645                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4646                 return;
4647         }
4648
4649         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4650         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4651
4652         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4653                 port->stats.ns_rffid_accepts++;
4654                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4655                 return;
4656         }
4657
4658         port->stats.ns_rffid_rejects++;
4659         bfa_trc(port->fcs, cthdr->reason_code);
4660         bfa_trc(port->fcs, cthdr->exp_code);
4661
4662         if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
4663                 /* if this command is not supported, we don't retry */
4664                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4665         } else
4666                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4667 }
4668 /*
4669  * Query Fabric for FC4-Types Devices.
4670  *
4671 * TBD : Need to use a local (FCS private) response buffer, since the response
4672  * can be larger than 2K.
4673  */
4674 static void
4675 bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4676 {
4677         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4678         struct bfa_fcs_lport_s *port = ns->port;
4679         struct fchs_s fchs;
4680         int             len;
4681         struct bfa_fcxp_s *fcxp;
4682
4683         bfa_trc(port->fcs, port->pid);
4684
4685         fcxp = fcxp_alloced ? fcxp_alloced :
4686                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4687         if (!fcxp) {
4688                 port->stats.ns_gidft_alloc_wait++;
4689                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4690                                 bfa_fcs_lport_ns_send_gid_ft, ns, BFA_TRUE);
4691                 return;
4692         }
4693         ns->fcxp = fcxp;
4694
4695         /*
4696          * This query is only initiated for FCP initiator mode.
4697          */
4698         len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4699                               ns->port->pid, FC_TYPE_FCP);
4700
4701         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4702                           FC_CLASS_3, len, &fchs,
4703                           bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
4704                           bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
4705
4706         port->stats.ns_gidft_sent++;
4707
4708         bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
4709 }
4710
4711 static void
4712 bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4713                                 void *cbarg, bfa_status_t req_status,
4714                                 u32 rsp_len, u32 resid_len,
4715                                 struct fchs_s *rsp_fchs)
4716 {
4717         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4718         struct bfa_fcs_lport_s *port = ns->port;
4719         struct ct_hdr_s *cthdr = NULL;
4720         u32        n_pids;
4721
4722         bfa_trc(port->fcs, port->port_cfg.pwwn);
4723
4724         /*
4725          * Sanity Checks
4726          */
4727         if (req_status != BFA_STATUS_OK) {
4728                 bfa_trc(port->fcs, req_status);
4729                 port->stats.ns_gidft_rsp_err++;
4730                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4731                 return;
4732         }
4733
4734         if (resid_len != 0) {
4735                 /*
4736                  * TBD : we will need to allocate a larger buffer & retry the
4737                  * command
4738                  */
4739                 bfa_trc(port->fcs, rsp_len);
4740                 bfa_trc(port->fcs, resid_len);
4741                 return;
4742         }
4743
4744         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4745         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4746
4747         switch (cthdr->cmd_rsp_code) {
4748
4749         case CT_RSP_ACCEPT:
4750
4751                 port->stats.ns_gidft_accepts++;
4752                 n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
4753                 bfa_trc(port->fcs, n_pids);
4754                 bfa_fcs_lport_ns_process_gidft_pids(port,
4755                                                    (u32 *) (cthdr + 1),
4756                                                    n_pids);
4757                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4758                 break;
4759
4760         case CT_RSP_REJECT:
4761
4762                 /*
4763                  * Check the reason code  & explanation.
4764                  * There may not have been any FC4 devices in the fabric
4765                  */
4766                 port->stats.ns_gidft_rejects++;
4767                 bfa_trc(port->fcs, cthdr->reason_code);
4768                 bfa_trc(port->fcs, cthdr->exp_code);
4769
4770                 if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
4771                     && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
4772
4773                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4774                 } else {
4775                         /*
4776                          * for all other errors, retry
4777                          */
4778                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4779                 }
4780                 break;
4781
4782         default:
4783                 port->stats.ns_gidft_unknown_rsp++;
4784                 bfa_trc(port->fcs, cthdr->cmd_rsp_code);
4785                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4786         }
4787 }
4788
4789 /*
4790  *     This routine will be called by bfa_timer on timer timeouts.
4791  *
4792  *      param[in]       port - pointer to bfa_fcs_lport_t.
4793  *
4794  *      return
4795  *              void
4796  *
4797  *      Special Considerations:
4798  *
4799  *      note
4800  */
4801 static void
4802 bfa_fcs_lport_ns_timeout(void *arg)
4803 {
4804         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
4805
4806         ns->port->stats.ns_timeouts++;
4807         bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
4808 }
4809
4810 /*
4811  * Process the PID list in GID_FT response
4812  */
4813 static void
4814 bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
4815                                    u32 n_pids)
4816 {
4817         struct fcgs_gidft_resp_s *gidft_entry;
4818         struct bfa_fcs_rport_s *rport;
4819         u32        ii;
4820         struct bfa_fcs_fabric_s *fabric = port->fabric;
4821         struct bfa_fcs_vport_s *vport;
4822         struct list_head *qe;
4823         u8 found = 0;
4824
4825         for (ii = 0; ii < n_pids; ii++) {
4826                 gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
4827
4828                 if (gidft_entry->pid == port->pid)
4829                         continue;
4830
4831                 /*
4832                  * Ignore PID if it is of base port
4833                  * (Avoid vports discovering base port as remote port)
4834                  */
4835                 if (gidft_entry->pid == fabric->bport.pid)
4836                         continue;
4837
4838                 /*
4839                  * Ignore PID if it is of vport created on the same base port
4840                  * (Avoid vport discovering every other vport created on the
4841                  * same port as remote port)
4842                  */
4843                 list_for_each(qe, &fabric->vport_q) {
4844                         vport = (struct bfa_fcs_vport_s *) qe;
4845                         if (vport->lport.pid == gidft_entry->pid)
4846                                 found = 1;
4847                 }
4848
4849                 if (found) {
4850                         found = 0;
4851                         continue;
4852                 }
4853
4854                 /*
4855                  * Check if this rport already exists
4856                  */
4857                 rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
4858                 if (rport == NULL) {
4859                         /*
4860                          * this is a new device. create rport
4861                          */
4862                         rport = bfa_fcs_rport_create(port, gidft_entry->pid);
4863                 } else {
4864                         /*
4865                          * this rport already exists
4866                          */
4867                         bfa_fcs_rport_scn(rport);
4868                 }
4869
4870                 bfa_trc(port->fcs, gidft_entry->pid);
4871
4872                 /*
4873                  * if the last entry bit is set, bail out.
4874                  */
4875                 if (gidft_entry->last)
4876                         return;
4877         }
4878 }
4879
4880 /*
4881  *  fcs_ns_public FCS nameserver public interfaces
4882  */
4883
4884 /*
4885  * Functions called by port/fab.
4886  * These will send relevant Events to the ns state machine.
4887  */
4888 void
4889 bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
4890 {
4891         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4892
4893         ns->port = port;
4894         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4895 }
4896
4897 void
4898 bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
4899 {
4900         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4901
4902         ns->port = port;
4903         bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
4904 }
4905
4906 void
4907 bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
4908 {
4909         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4910
4911         ns->port = port;
4912         bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
4913 }
4914
4915 void
4916 bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
4917 {
4918         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
4919
4920         bfa_trc(port->fcs, port->pid);
4921         if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_online))
4922                 bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
4923 }
4924
4925 static void
4926 bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
4927 {
4928
4929         struct bfa_fcs_rport_s *rport;
4930         u8 nwwns;
4931         wwn_t  wwns[BFA_PREBOOT_BOOTLUN_MAX];
4932         int ii;
4933
4934         bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
4935
4936         for (ii = 0 ; ii < nwwns; ++ii) {
4937                 rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
4938                 WARN_ON(!rport);
4939         }
4940 }
4941
4942 void
4943 bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
4944 {
4945         struct bfa_fcs_lport_ns_s *ns = cbarg;
4946         struct bfa_fcs_lport_s *port = ns->port;
4947         struct fchs_s fchs;
4948         struct bfa_fcxp_s *fcxp;
4949         u8 symbl[256];
4950         u8 *psymbl = &symbl[0];
4951         int len;
4952
4953         if (!bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
4954                 return;
4955
4956         /* Avoid sending RSPN in the following states. */
4957         if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) ||
4958             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) ||
4959             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi) ||
4960             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_retry) ||
4961             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry))
4962                 return;
4963
4964         memset(symbl, 0, sizeof(symbl));
4965         bfa_trc(port->fcs, port->port_cfg.pwwn);
4966
4967         fcxp = fcxp_alloced ? fcxp_alloced :
4968                bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
4969         if (!fcxp) {
4970                 port->stats.ns_rspnid_alloc_wait++;
4971                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4972                         bfa_fcs_lport_ns_util_send_rspn_id, ns, BFA_FALSE);
4973                 return;
4974         }
4975
4976         ns->fcxp = fcxp;
4977
4978         if (port->vport) {
4979                 /*
4980                  * For Vports, we append the vport's port symbolic name
4981                  * to that of the base port.
4982                  */
4983                 strncpy((char *)psymbl, (char *)&(bfa_fcs_lport_get_psym_name
4984                         (bfa_fcs_get_base_port(port->fcs))),
4985                         strlen((char *)&bfa_fcs_lport_get_psym_name(
4986                         bfa_fcs_get_base_port(port->fcs))));
4987
4988                 /* Ensure we have a null terminating string. */
4989                 ((char *)psymbl)[strlen((char *)&bfa_fcs_lport_get_psym_name(
4990                  bfa_fcs_get_base_port(port->fcs)))] = 0;
4991
4992                 strncat((char *)psymbl,
4993                         (char *)&(bfa_fcs_lport_get_psym_name(port)),
4994                         strlen((char *)&bfa_fcs_lport_get_psym_name(port)));
4995         }
4996
4997         len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4998                               bfa_fcs_lport_get_fcid(port), 0, psymbl);
4999
5000         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5001                       FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
5002
5003         port->stats.ns_rspnid_sent++;
5004 }
5005
5006 /*
5007  * FCS SCN
5008  */
5009
5010 #define FC_QOS_RSCN_EVENT               0x0c
5011 #define FC_FABRIC_NAME_RSCN_EVENT       0x0d
5012
5013 /*
5014  * forward declarations
5015  */
5016 static void     bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
5017                                           struct bfa_fcxp_s *fcxp_alloced);
5018 static void     bfa_fcs_lport_scn_scr_response(void *fcsarg,
5019                                               struct bfa_fcxp_s *fcxp,
5020                                               void *cbarg,
5021                                               bfa_status_t req_status,
5022                                               u32 rsp_len,
5023                                               u32 resid_len,
5024                                               struct fchs_s *rsp_fchs);
5025 static void     bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5026                                              struct fchs_s *rx_fchs);
5027 static void     bfa_fcs_lport_scn_timeout(void *arg);
5028
5029 /*
5030  *  fcs_scm_sm FCS SCN state machine
5031  */
5032
5033 /*
5034  * VPort SCN State Machine events
5035  */
5036 enum port_scn_event {
5037         SCNSM_EVENT_PORT_ONLINE = 1,
5038         SCNSM_EVENT_PORT_OFFLINE = 2,
5039         SCNSM_EVENT_RSP_OK = 3,
5040         SCNSM_EVENT_RSP_ERROR = 4,
5041         SCNSM_EVENT_TIMEOUT = 5,
5042         SCNSM_EVENT_SCR_SENT = 6,
5043 };
5044
5045 static void     bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5046                                             enum port_scn_event event);
5047 static void     bfa_fcs_lport_scn_sm_sending_scr(
5048                                         struct bfa_fcs_lport_scn_s *scn,
5049                                         enum port_scn_event event);
5050 static void     bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5051                                         enum port_scn_event event);
5052 static void     bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5053                                               enum port_scn_event event);
5054 static void     bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5055                                            enum port_scn_event event);
5056
5057 /*
5058  *      Starting state - awaiting link up.
5059  */
5060 static void
5061 bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5062                         enum port_scn_event event)
5063 {
5064         switch (event) {
5065         case SCNSM_EVENT_PORT_ONLINE:
5066                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5067                 bfa_fcs_lport_scn_send_scr(scn, NULL);
5068                 break;
5069
5070         case SCNSM_EVENT_PORT_OFFLINE:
5071                 break;
5072
5073         default:
5074                 bfa_sm_fault(scn->port->fcs, event);
5075         }
5076 }
5077
5078 static void
5079 bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
5080                                 enum port_scn_event event)
5081 {
5082         switch (event) {
5083         case SCNSM_EVENT_SCR_SENT:
5084                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
5085                 break;
5086
5087         case SCNSM_EVENT_PORT_OFFLINE:
5088                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5089                 bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
5090                 break;
5091
5092         default:
5093                 bfa_sm_fault(scn->port->fcs, event);
5094         }
5095 }
5096
5097 static void
5098 bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5099                         enum port_scn_event event)
5100 {
5101         struct bfa_fcs_lport_s *port = scn->port;
5102
5103         switch (event) {
5104         case SCNSM_EVENT_RSP_OK:
5105                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
5106                 break;
5107
5108         case SCNSM_EVENT_RSP_ERROR:
5109                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
5110                 bfa_timer_start(port->fcs->bfa, &scn->timer,
5111                                     bfa_fcs_lport_scn_timeout, scn,
5112                                     BFA_FCS_RETRY_TIMEOUT);
5113                 break;
5114
5115         case SCNSM_EVENT_PORT_OFFLINE:
5116                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5117                 bfa_fcxp_discard(scn->fcxp);
5118                 break;
5119
5120         default:
5121                 bfa_sm_fault(port->fcs, event);
5122         }
5123 }
5124
5125 static void
5126 bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5127                                 enum port_scn_event event)
5128 {
5129         switch (event) {
5130         case SCNSM_EVENT_TIMEOUT:
5131                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5132                 bfa_fcs_lport_scn_send_scr(scn, NULL);
5133                 break;
5134
5135         case SCNSM_EVENT_PORT_OFFLINE:
5136                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5137                 bfa_timer_stop(&scn->timer);
5138                 break;
5139
5140         default:
5141                 bfa_sm_fault(scn->port->fcs, event);
5142         }
5143 }
5144
5145 static void
5146 bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5147                         enum port_scn_event event)
5148 {
5149         switch (event) {
5150         case SCNSM_EVENT_PORT_OFFLINE:
5151                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5152                 break;
5153
5154         default:
5155                 bfa_sm_fault(scn->port->fcs, event);
5156         }
5157 }
5158
5159
5160
5161 /*
5162  *  fcs_scn_private FCS SCN private functions
5163  */
5164
5165 /*
5166  * This routine will be called to send a SCR command.
5167  */
5168 static void
5169 bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
5170 {
5171         struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
5172         struct bfa_fcs_lport_s *port = scn->port;
5173         struct fchs_s fchs;
5174         int             len;
5175         struct bfa_fcxp_s *fcxp;
5176
5177         bfa_trc(port->fcs, port->pid);
5178         bfa_trc(port->fcs, port->port_cfg.pwwn);
5179
5180         fcxp = fcxp_alloced ? fcxp_alloced :
5181                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
5182         if (!fcxp) {
5183                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
5184                                 bfa_fcs_lport_scn_send_scr, scn, BFA_TRUE);
5185                 return;
5186         }
5187         scn->fcxp = fcxp;
5188
5189         /* Handle VU registrations for Base port only */
5190         if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
5191                 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5192                                 port->fabric->lps->brcd_switch,
5193                                 port->pid, 0);
5194         } else {
5195             len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5196                                     BFA_FALSE,
5197                                     port->pid, 0);
5198         }
5199
5200         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5201                           FC_CLASS_3, len, &fchs,
5202                           bfa_fcs_lport_scn_scr_response,
5203                           (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
5204
5205         bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
5206 }
5207
5208 static void
5209 bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
5210                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
5211                               u32 resid_len, struct fchs_s *rsp_fchs)
5212 {
5213         struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
5214         struct bfa_fcs_lport_s *port = scn->port;
5215         struct fc_els_cmd_s *els_cmd;
5216         struct fc_ls_rjt_s *ls_rjt;
5217
5218         bfa_trc(port->fcs, port->port_cfg.pwwn);
5219
5220         /*
5221          * Sanity Checks
5222          */
5223         if (req_status != BFA_STATUS_OK) {
5224                 bfa_trc(port->fcs, req_status);
5225                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5226                 return;
5227         }
5228
5229         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
5230
5231         switch (els_cmd->els_code) {
5232
5233         case FC_ELS_ACC:
5234                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
5235                 break;
5236
5237         case FC_ELS_LS_RJT:
5238
5239                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
5240
5241                 bfa_trc(port->fcs, ls_rjt->reason_code);
5242                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
5243
5244                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5245                 break;
5246
5247         default:
5248                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5249         }
5250 }
5251
5252 /*
5253  * Send a LS Accept
5254  */
5255 static void
5256 bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5257                                 struct fchs_s *rx_fchs)
5258 {
5259         struct fchs_s fchs;
5260         struct bfa_fcxp_s *fcxp;
5261         struct bfa_rport_s *bfa_rport = NULL;
5262         int             len;
5263
5264         bfa_trc(port->fcs, rx_fchs->s_id);
5265
5266         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5267         if (!fcxp)
5268                 return;
5269
5270         len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5271                               rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
5272                               rx_fchs->ox_id);
5273
5274         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
5275                           BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
5276                           FC_MAX_PDUSZ, 0);
5277 }
5278
5279 /*
5280  *     This routine will be called by bfa_timer on timer timeouts.
5281  *
5282  *      param[in]       vport           - pointer to bfa_fcs_lport_t.
5283  *      param[out]      vport_status    - pointer to return vport status in
5284  *
5285  *      return
5286  *              void
5287  *
5288  *      Special Considerations:
5289  *
5290  *      note
5291  */
5292 static void
5293 bfa_fcs_lport_scn_timeout(void *arg)
5294 {
5295         struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
5296
5297         bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
5298 }
5299
5300
5301
5302 /*
5303  *  fcs_scn_public FCS state change notification public interfaces
5304  */
5305
5306 /*
5307  * Functions called by port/fab
5308  */
5309 void
5310 bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
5311 {
5312         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5313
5314         scn->port = port;
5315         bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5316 }
5317
5318 void
5319 bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
5320 {
5321         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5322
5323         scn->port = port;
5324         bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
5325 }
5326
5327 void
5328 bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *port)
5329 {
5330         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5331
5332         scn->port = port;
5333         bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
5334 }
5335
5336 static void
5337 bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
5338 {
5339         struct bfa_fcs_rport_s *rport;
5340         struct bfa_fcs_fabric_s *fabric = port->fabric;
5341         struct bfa_fcs_vport_s *vport;
5342         struct list_head *qe;
5343
5344         bfa_trc(port->fcs, rpid);
5345
5346         /*
5347          * Ignore PID if it is of base port or of vports created on the
5348          * same base port. It is to avoid vports discovering base port or
5349          * other vports created on same base port as remote port
5350          */
5351         if (rpid == fabric->bport.pid)
5352                 return;
5353
5354         list_for_each(qe, &fabric->vport_q) {
5355                 vport = (struct bfa_fcs_vport_s *) qe;
5356                 if (vport->lport.pid == rpid)
5357                         return;
5358         }
5359         /*
5360          * If this is an unknown device, then it just came online.
5361          * Otherwise let rport handle the RSCN event.
5362          */
5363         rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
5364         if (!rport)
5365                 rport = bfa_fcs_lport_get_rport_by_old_pid(port, rpid);
5366
5367         if (rport == NULL) {
5368                 /*
5369                  * If min cfg mode is enabled, we donot need to
5370                  * discover any new rports.
5371                  */
5372                 if (!__fcs_min_cfg(port->fcs))
5373                         rport = bfa_fcs_rport_create(port, rpid);
5374         } else
5375                 bfa_fcs_rport_scn(rport);
5376 }
5377
5378 /*
5379  * rscn format based PID comparison
5380  */
5381 #define __fc_pid_match(__c0, __c1, __fmt)               \
5382         (((__fmt) == FC_RSCN_FORMAT_FABRIC) ||          \
5383          (((__fmt) == FC_RSCN_FORMAT_DOMAIN) &&         \
5384           ((__c0)[0] == (__c1)[0])) ||                          \
5385          (((__fmt) == FC_RSCN_FORMAT_AREA) &&           \
5386           ((__c0)[0] == (__c1)[0]) &&                           \
5387           ((__c0)[1] == (__c1)[1])))
5388
5389 static void
5390 bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
5391                                 enum fc_rscn_format format,
5392                                 u32 rscn_pid)
5393 {
5394         struct bfa_fcs_rport_s *rport;
5395         struct list_head        *qe, *qe_next;
5396         u8        *c0, *c1;
5397
5398         bfa_trc(port->fcs, format);
5399         bfa_trc(port->fcs, rscn_pid);
5400
5401         c0 = (u8 *) &rscn_pid;
5402
5403         list_for_each_safe(qe, qe_next, &port->rport_q) {
5404                 rport = (struct bfa_fcs_rport_s *) qe;
5405                 c1 = (u8 *) &rport->pid;
5406                 if (__fc_pid_match(c0, c1, format))
5407                         bfa_fcs_rport_scn(rport);
5408         }
5409 }
5410
5411
5412 void
5413 bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
5414                         struct fchs_s *fchs, u32 len)
5415 {
5416         struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
5417         int             num_entries;
5418         u32        rscn_pid;
5419         bfa_boolean_t   nsquery = BFA_FALSE, found;
5420         int             i = 0, j;
5421
5422         num_entries =
5423                 (be16_to_cpu(rscn->payldlen) -
5424                  sizeof(u32)) / sizeof(rscn->event[0]);
5425
5426         bfa_trc(port->fcs, num_entries);
5427
5428         port->stats.num_rscn++;
5429
5430         bfa_fcs_lport_scn_send_ls_acc(port, fchs);
5431
5432         for (i = 0; i < num_entries; i++) {
5433                 rscn_pid = rscn->event[i].portid;
5434
5435                 bfa_trc(port->fcs, rscn->event[i].format);
5436                 bfa_trc(port->fcs, rscn_pid);
5437
5438                 /* check for duplicate entries in the list */
5439                 found = BFA_FALSE;
5440                 for (j = 0; j < i; j++) {
5441                         if (rscn->event[j].portid == rscn_pid) {
5442                                 found = BFA_TRUE;
5443                                 break;
5444                         }
5445                 }
5446
5447                 /* if found in down the list, pid has been already processed */
5448                 if (found) {
5449                         bfa_trc(port->fcs, rscn_pid);
5450                         continue;
5451                 }
5452
5453                 switch (rscn->event[i].format) {
5454                 case FC_RSCN_FORMAT_PORTID:
5455                         if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
5456                                 /*
5457                                  * Ignore this event.
5458                                  * f/w would have processed it
5459                                  */
5460                                 bfa_trc(port->fcs, rscn_pid);
5461                         } else {
5462                                 port->stats.num_portid_rscn++;
5463                                 bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
5464                         }
5465                 break;
5466
5467                 case FC_RSCN_FORMAT_FABRIC:
5468                         if (rscn->event[i].qualifier ==
5469                                         FC_FABRIC_NAME_RSCN_EVENT) {
5470                                 bfa_fcs_lport_ms_fabric_rscn(port);
5471                                 break;
5472                         }
5473                         /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */
5474
5475                 case FC_RSCN_FORMAT_AREA:
5476                 case FC_RSCN_FORMAT_DOMAIN:
5477                         nsquery = BFA_TRUE;
5478                         bfa_fcs_lport_scn_multiport_rscn(port,
5479                                                         rscn->event[i].format,
5480                                                         rscn_pid);
5481                         break;
5482
5483
5484                 default:
5485                         WARN_ON(1);
5486                         nsquery = BFA_TRUE;
5487                 }
5488         }
5489
5490         /*
5491          * If any of area, domain or fabric RSCN is received, do a fresh
5492          * discovery to find new devices.
5493          */
5494         if (nsquery)
5495                 bfa_fcs_lport_ns_query(port);
5496 }
5497
5498 /*
5499  * BFA FCS port
5500  */
5501 /*
5502  *  fcs_port_api BFA FCS port API
5503  */
5504 struct bfa_fcs_lport_s *
5505 bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
5506 {
5507         return &fcs->fabric.bport;
5508 }
5509
5510 wwn_t
5511 bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
5512                 int nrports, bfa_boolean_t bwwn)
5513 {
5514         struct list_head        *qh, *qe;
5515         struct bfa_fcs_rport_s *rport = NULL;
5516         int     i;
5517         struct bfa_fcs_s        *fcs;
5518
5519         if (port == NULL || nrports == 0)
5520                 return (wwn_t) 0;
5521
5522         fcs = port->fcs;
5523         bfa_trc(fcs, (u32) nrports);
5524
5525         i = 0;
5526         qh = &port->rport_q;
5527         qe = bfa_q_first(qh);
5528
5529         while ((qe != qh) && (i < nrports)) {
5530                 rport = (struct bfa_fcs_rport_s *) qe;
5531                 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5532                         qe = bfa_q_next(qe);
5533                         bfa_trc(fcs, (u32) rport->pwwn);
5534                         bfa_trc(fcs, rport->pid);
5535                         bfa_trc(fcs, i);
5536                         continue;
5537                 }
5538
5539                 if (bwwn) {
5540                         if (!memcmp(&wwn, &rport->pwwn, 8))
5541                                 break;
5542                 } else {
5543                         if (i == index)
5544                                 break;
5545                 }
5546
5547                 i++;
5548                 qe = bfa_q_next(qe);
5549         }
5550
5551         bfa_trc(fcs, i);
5552         if (rport)
5553                 return rport->pwwn;
5554         else
5555                 return (wwn_t) 0;
5556 }
5557
5558 void
5559 bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port,
5560                 struct bfa_rport_qualifier_s rports[], int *nrports)
5561 {
5562         struct list_head        *qh, *qe;
5563         struct bfa_fcs_rport_s *rport = NULL;
5564         int     i;
5565         struct bfa_fcs_s        *fcs;
5566
5567         if (port == NULL || rports == NULL || *nrports == 0)
5568                 return;
5569
5570         fcs = port->fcs;
5571         bfa_trc(fcs, (u32) *nrports);
5572
5573         i = 0;
5574         qh = &port->rport_q;
5575         qe = bfa_q_first(qh);
5576
5577         while ((qe != qh) && (i < *nrports)) {
5578                 rport = (struct bfa_fcs_rport_s *) qe;
5579                 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5580                         qe = bfa_q_next(qe);
5581                         bfa_trc(fcs, (u32) rport->pwwn);
5582                         bfa_trc(fcs, rport->pid);
5583                         bfa_trc(fcs, i);
5584                         continue;
5585                 }
5586
5587                 if (!rport->pwwn && !rport->pid) {
5588                         qe = bfa_q_next(qe);
5589                         continue;
5590                 }
5591
5592                 rports[i].pwwn = rport->pwwn;
5593                 rports[i].pid = rport->pid;
5594
5595                 i++;
5596                 qe = bfa_q_next(qe);
5597         }
5598
5599         bfa_trc(fcs, i);
5600         *nrports = i;
5601 }
5602
5603 /*
5604  * Iterate's through all the rport's in the given port to
5605  * determine the maximum operating speed.
5606  *
5607  * !!!! To be used in TRL Functionality only !!!!
5608  */
5609 bfa_port_speed_t
5610 bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
5611 {
5612         struct list_head *qh, *qe;
5613         struct bfa_fcs_rport_s *rport = NULL;
5614         struct bfa_fcs_s        *fcs;
5615         bfa_port_speed_t max_speed = 0;
5616         struct bfa_port_attr_s port_attr;
5617         bfa_port_speed_t port_speed, rport_speed;
5618         bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
5619
5620
5621         if (port == NULL)
5622                 return 0;
5623
5624         fcs = port->fcs;
5625
5626         /* Get Physical port's current speed */
5627         bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
5628         port_speed = port_attr.speed;
5629         bfa_trc(fcs, port_speed);
5630
5631         qh = &port->rport_q;
5632         qe = bfa_q_first(qh);
5633
5634         while (qe != qh) {
5635                 rport = (struct bfa_fcs_rport_s *) qe;
5636                 if ((bfa_ntoh3b(rport->pid) > 0xFFF000) ||
5637                         (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE) ||
5638                         (rport->scsi_function != BFA_RPORT_TARGET)) {
5639                         qe = bfa_q_next(qe);
5640                         continue;
5641                 }
5642
5643                 rport_speed = rport->rpf.rpsc_speed;
5644                 if ((trl_enabled) && (rport_speed ==
5645                         BFA_PORT_SPEED_UNKNOWN)) {
5646                         /* Use default ratelim speed setting */
5647                         rport_speed =
5648                                 bfa_fcport_get_ratelim_speed(port->fcs->bfa);
5649                 }
5650
5651                 if (rport_speed > max_speed)
5652                         max_speed = rport_speed;
5653
5654                 qe = bfa_q_next(qe);
5655         }
5656
5657         if (max_speed > port_speed)
5658                 max_speed = port_speed;
5659
5660         bfa_trc(fcs, max_speed);
5661         return max_speed;
5662 }
5663
5664 struct bfa_fcs_lport_s *
5665 bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
5666 {
5667         struct bfa_fcs_vport_s *vport;
5668         bfa_fcs_vf_t   *vf;
5669
5670         WARN_ON(fcs == NULL);
5671
5672         vf = bfa_fcs_vf_lookup(fcs, vf_id);
5673         if (vf == NULL) {
5674                 bfa_trc(fcs, vf_id);
5675                 return NULL;
5676         }
5677
5678         if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
5679                 return &vf->bport;
5680
5681         vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
5682         if (vport)
5683                 return &vport->lport;
5684
5685         return NULL;
5686 }
5687
5688 /*
5689  *  API corresponding to NPIV_VPORT_GETINFO.
5690  */
5691 void
5692 bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
5693          struct bfa_lport_info_s *port_info)
5694 {
5695
5696         bfa_trc(port->fcs, port->fabric->fabric_name);
5697
5698         if (port->vport == NULL) {
5699                 /*
5700                  * This is a Physical port
5701                  */
5702                 port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
5703
5704                 /*
5705                  * @todo : need to fix the state & reason
5706                  */
5707                 port_info->port_state = 0;
5708                 port_info->offline_reason = 0;
5709
5710                 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5711                 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5712
5713                 port_info->max_vports_supp =
5714                         bfa_lps_get_max_vport(port->fcs->bfa);
5715                 port_info->num_vports_inuse =
5716                         port->fabric->num_vports;
5717                 port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
5718                 port_info->num_rports_inuse = port->num_rports;
5719         } else {
5720                 /*
5721                  * This is a virtual port
5722                  */
5723                 port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
5724
5725                 /*
5726                  * @todo : need to fix the state & reason
5727                  */
5728                 port_info->port_state = 0;
5729                 port_info->offline_reason = 0;
5730
5731                 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5732                 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5733         }
5734 }
5735
5736 void
5737 bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
5738          struct bfa_lport_stats_s *port_stats)
5739 {
5740         *port_stats = fcs_port->stats;
5741 }
5742
5743 void
5744 bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
5745 {
5746         memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
5747 }
5748
5749 /*
5750  * Let new loop map create missing rports
5751  */
5752 void
5753 bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s *port)
5754 {
5755         bfa_fcs_lport_loop_online(port);
5756 }
5757
5758 /*
5759  * FCS virtual port state machine
5760  */
5761
5762 #define __vport_fcs(__vp)       ((__vp)->lport.fcs)
5763 #define __vport_pwwn(__vp)      ((__vp)->lport.port_cfg.pwwn)
5764 #define __vport_nwwn(__vp)      ((__vp)->lport.port_cfg.nwwn)
5765 #define __vport_bfa(__vp)       ((__vp)->lport.fcs->bfa)
5766 #define __vport_fcid(__vp)      ((__vp)->lport.pid)
5767 #define __vport_fabric(__vp)    ((__vp)->lport.fabric)
5768 #define __vport_vfid(__vp)      ((__vp)->lport.fabric->vf_id)
5769
5770 #define BFA_FCS_VPORT_MAX_RETRIES  5
5771 /*
5772  * Forward declarations
5773  */
5774 static void     bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
5775 static void     bfa_fcs_vport_timeout(void *vport_arg);
5776 static void     bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
5777 static void     bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
5778
5779 /*
5780  *  fcs_vport_sm FCS virtual port state machine
5781  */
5782
5783 /*
5784  * VPort State Machine events
5785  */
5786 enum bfa_fcs_vport_event {
5787         BFA_FCS_VPORT_SM_CREATE = 1,    /*  vport create event */
5788         BFA_FCS_VPORT_SM_DELETE = 2,    /*  vport delete event */
5789         BFA_FCS_VPORT_SM_START = 3,     /*  vport start request */
5790         BFA_FCS_VPORT_SM_STOP = 4,      /*  stop: unsupported */
5791         BFA_FCS_VPORT_SM_ONLINE = 5,    /*  fabric online */
5792         BFA_FCS_VPORT_SM_OFFLINE = 6,   /*  fabric offline event */
5793         BFA_FCS_VPORT_SM_FRMSENT = 7,   /*  fdisc/logo sent events */
5794         BFA_FCS_VPORT_SM_RSP_OK = 8,    /*  good response */
5795         BFA_FCS_VPORT_SM_RSP_ERROR = 9, /*  error/bad response */
5796         BFA_FCS_VPORT_SM_TIMEOUT = 10,  /*  delay timer event */
5797         BFA_FCS_VPORT_SM_DELCOMP = 11,  /*  lport delete completion */
5798         BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12,      /*  Dup wnn error*/
5799         BFA_FCS_VPORT_SM_RSP_FAILED = 13,       /*  non-retryable failure */
5800         BFA_FCS_VPORT_SM_STOPCOMP = 14, /* vport delete completion */
5801 };
5802
5803 static void     bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
5804                                         enum bfa_fcs_vport_event event);
5805 static void     bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
5806                                          enum bfa_fcs_vport_event event);
5807 static void     bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
5808                                          enum bfa_fcs_vport_event event);
5809 static void     bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
5810                                        enum bfa_fcs_vport_event event);
5811 static void     bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
5812                                              enum bfa_fcs_vport_event event);
5813 static void     bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
5814                                         enum bfa_fcs_vport_event event);
5815 static void     bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
5816                                         enum bfa_fcs_vport_event event);
5817 static void     bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
5818                                           enum bfa_fcs_vport_event event);
5819 static void     bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
5820                                          enum bfa_fcs_vport_event event);
5821 static void     bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
5822                                       enum bfa_fcs_vport_event event);
5823 static void     bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
5824                                       enum bfa_fcs_vport_event event);
5825 static void     bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
5826                                         enum bfa_fcs_vport_event event);
5827 static void     bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
5828                                         enum bfa_fcs_vport_event event);
5829
5830 static struct bfa_sm_table_s  vport_sm_table[] = {
5831         {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
5832         {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
5833         {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
5834         {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
5835         {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
5836         {BFA_SM(bfa_fcs_vport_sm_fdisc_rsp_wait), BFA_FCS_VPORT_FDISC_RSP_WAIT},
5837         {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
5838         {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
5839         {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
5840         {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
5841         {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
5842 };
5843
5844 /*
5845  * Beginning state.
5846  */
5847 static void
5848 bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
5849                         enum bfa_fcs_vport_event event)
5850 {
5851         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5852         bfa_trc(__vport_fcs(vport), event);
5853
5854         switch (event) {
5855         case BFA_FCS_VPORT_SM_CREATE:
5856                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
5857                 bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
5858                 break;
5859
5860         default:
5861                 bfa_sm_fault(__vport_fcs(vport), event);
5862         }
5863 }
5864
5865 /*
5866  * Created state - a start event is required to start up the state machine.
5867  */
5868 static void
5869 bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
5870                         enum bfa_fcs_vport_event event)
5871 {
5872         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5873         bfa_trc(__vport_fcs(vport), event);
5874
5875         switch (event) {
5876         case BFA_FCS_VPORT_SM_START:
5877                 if (bfa_sm_cmp_state(__vport_fabric(vport),
5878                                         bfa_fcs_fabric_sm_online)
5879                     && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
5880                         bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5881                         bfa_fcs_vport_do_fdisc(vport);
5882                 } else {
5883                         /*
5884                          * Fabric is offline or not NPIV capable, stay in
5885                          * offline state.
5886                          */
5887                         vport->vport_stats.fab_no_npiv++;
5888                         bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5889                 }
5890                 break;
5891
5892         case BFA_FCS_VPORT_SM_DELETE:
5893                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5894                 bfa_fcs_lport_delete(&vport->lport);
5895                 break;
5896
5897         case BFA_FCS_VPORT_SM_ONLINE:
5898         case BFA_FCS_VPORT_SM_OFFLINE:
5899                 /*
5900                  * Ignore ONLINE/OFFLINE events from fabric
5901                  * till vport is started.
5902                  */
5903                 break;
5904
5905         default:
5906                 bfa_sm_fault(__vport_fcs(vport), event);
5907         }
5908 }
5909
5910 /*
5911  * Offline state - awaiting ONLINE event from fabric SM.
5912  */
5913 static void
5914 bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
5915                         enum bfa_fcs_vport_event event)
5916 {
5917         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5918         bfa_trc(__vport_fcs(vport), event);
5919
5920         switch (event) {
5921         case BFA_FCS_VPORT_SM_DELETE:
5922                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5923                 bfa_fcs_lport_delete(&vport->lport);
5924                 break;
5925
5926         case BFA_FCS_VPORT_SM_ONLINE:
5927                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
5928                 vport->fdisc_retries = 0;
5929                 bfa_fcs_vport_do_fdisc(vport);
5930                 break;
5931
5932         case BFA_FCS_VPORT_SM_STOP:
5933                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
5934                 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
5935                 break;
5936
5937         case BFA_FCS_VPORT_SM_OFFLINE:
5938                 /*
5939                  * This can happen if the vport couldn't be initialzied
5940                  * due the fact that the npiv was not enabled on the switch.
5941                  * In that case we will put the vport in offline state.
5942                  * However, the link can go down and cause the this event to
5943                  * be sent when we are already offline. Ignore it.
5944                  */
5945                 break;
5946
5947         default:
5948                 bfa_sm_fault(__vport_fcs(vport), event);
5949         }
5950 }
5951
5952
5953 /*
5954  * FDISC is sent and awaiting reply from fabric.
5955  */
5956 static void
5957 bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
5958                         enum bfa_fcs_vport_event event)
5959 {
5960         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
5961         bfa_trc(__vport_fcs(vport), event);
5962
5963         switch (event) {
5964         case BFA_FCS_VPORT_SM_DELETE:
5965                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_rsp_wait);
5966                 break;
5967
5968         case BFA_FCS_VPORT_SM_OFFLINE:
5969                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5970                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
5971                 break;
5972
5973         case BFA_FCS_VPORT_SM_RSP_OK:
5974                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
5975                 bfa_fcs_lport_online(&vport->lport);
5976                 break;
5977
5978         case BFA_FCS_VPORT_SM_RSP_ERROR:
5979                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
5980                 bfa_timer_start(__vport_bfa(vport), &vport->timer,
5981                                     bfa_fcs_vport_timeout, vport,
5982                                     BFA_FCS_RETRY_TIMEOUT);
5983                 break;
5984
5985         case BFA_FCS_VPORT_SM_RSP_FAILED:
5986                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
5987                 break;
5988
5989         case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
5990                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
5991                 break;
5992
5993         default:
5994                 bfa_sm_fault(__vport_fcs(vport), event);
5995         }
5996 }
5997
5998 /*
5999  * FDISC attempt failed - a timer is active to retry FDISC.
6000  */
6001 static void
6002 bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6003                              enum bfa_fcs_vport_event event)
6004 {
6005         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6006         bfa_trc(__vport_fcs(vport), event);
6007
6008         switch (event) {
6009         case BFA_FCS_VPORT_SM_DELETE:
6010                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6011                 bfa_timer_stop(&vport->timer);
6012                 bfa_fcs_lport_delete(&vport->lport);
6013                 break;
6014
6015         case BFA_FCS_VPORT_SM_OFFLINE:
6016                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6017                 bfa_timer_stop(&vport->timer);
6018                 break;
6019
6020         case BFA_FCS_VPORT_SM_TIMEOUT:
6021                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6022                 vport->vport_stats.fdisc_retries++;
6023                 vport->fdisc_retries++;
6024                 bfa_fcs_vport_do_fdisc(vport);
6025                 break;
6026
6027         default:
6028                 bfa_sm_fault(__vport_fcs(vport), event);
6029         }
6030 }
6031
6032 /*
6033  * FDISC is in progress and we got a vport delete request -
6034  * this is a wait state while we wait for fdisc response and
6035  * we will transition to the appropriate state - on rsp status.
6036  */
6037 static void
6038 bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6039                                 enum bfa_fcs_vport_event event)
6040 {
6041         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6042         bfa_trc(__vport_fcs(vport), event);
6043
6044         switch (event) {
6045         case BFA_FCS_VPORT_SM_RSP_OK:
6046                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6047                 bfa_fcs_lport_delete(&vport->lport);
6048                 break;
6049
6050         case BFA_FCS_VPORT_SM_DELETE:
6051                 break;
6052
6053         case BFA_FCS_VPORT_SM_OFFLINE:
6054         case BFA_FCS_VPORT_SM_RSP_ERROR:
6055         case BFA_FCS_VPORT_SM_RSP_FAILED:
6056         case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6057                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6058                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6059                 bfa_fcs_lport_delete(&vport->lport);
6060                 break;
6061
6062         default:
6063                 bfa_sm_fault(__vport_fcs(vport), event);
6064         }
6065 }
6066
6067 /*
6068  * Vport is online (FDISC is complete).
6069  */
6070 static void
6071 bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6072                         enum bfa_fcs_vport_event event)
6073 {
6074         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6075         bfa_trc(__vport_fcs(vport), event);
6076
6077         switch (event) {
6078         case BFA_FCS_VPORT_SM_DELETE:
6079                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6080                 bfa_fcs_lport_delete(&vport->lport);
6081                 break;
6082
6083         case BFA_FCS_VPORT_SM_STOP:
6084                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_stopping);
6085                 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6086                 break;
6087
6088         case BFA_FCS_VPORT_SM_OFFLINE:
6089                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6090                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6091                 bfa_fcs_lport_offline(&vport->lport);
6092                 break;
6093
6094         default:
6095                 bfa_sm_fault(__vport_fcs(vport), event);
6096         }
6097 }
6098
6099 /*
6100  * Vport is being stopped - awaiting lport stop completion to send
6101  * LOGO to fabric.
6102  */
6103 static void
6104 bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6105                           enum bfa_fcs_vport_event event)
6106 {
6107         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6108         bfa_trc(__vport_fcs(vport), event);
6109
6110         switch (event) {
6111         case BFA_FCS_VPORT_SM_STOPCOMP:
6112                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo_for_stop);
6113                 bfa_fcs_vport_do_logo(vport);
6114                 break;
6115
6116         case BFA_FCS_VPORT_SM_OFFLINE:
6117                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6118                 break;
6119
6120         default:
6121                 bfa_sm_fault(__vport_fcs(vport), event);
6122         }
6123 }
6124
6125 /*
6126  * Vport is being deleted - awaiting lport delete completion to send
6127  * LOGO to fabric.
6128  */
6129 static void
6130 bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6131                         enum bfa_fcs_vport_event event)
6132 {
6133         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6134         bfa_trc(__vport_fcs(vport), event);
6135
6136         switch (event) {
6137         case BFA_FCS_VPORT_SM_DELETE:
6138                 break;
6139
6140         case BFA_FCS_VPORT_SM_DELCOMP:
6141                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
6142                 bfa_fcs_vport_do_logo(vport);
6143                 break;
6144
6145         case BFA_FCS_VPORT_SM_OFFLINE:
6146                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6147                 break;
6148
6149         default:
6150                 bfa_sm_fault(__vport_fcs(vport), event);
6151         }
6152 }
6153
6154 /*
6155  * Error State.
6156  * This state will be set when the Vport Creation fails due
6157  * to errors like Dup WWN. In this state only operation allowed
6158  * is a Vport Delete.
6159  */
6160 static void
6161 bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6162                         enum bfa_fcs_vport_event event)
6163 {
6164         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6165         bfa_trc(__vport_fcs(vport), event);
6166
6167         switch (event) {
6168         case BFA_FCS_VPORT_SM_DELETE:
6169                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6170                 bfa_fcs_lport_delete(&vport->lport);
6171                 break;
6172
6173         default:
6174                 bfa_trc(__vport_fcs(vport), event);
6175         }
6176 }
6177
6178 /*
6179  * Lport cleanup is in progress since vport is being deleted. Fabric is
6180  * offline, so no LOGO is needed to complete vport deletion.
6181  */
6182 static void
6183 bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6184                         enum bfa_fcs_vport_event event)
6185 {
6186         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6187         bfa_trc(__vport_fcs(vport), event);
6188
6189         switch (event) {
6190         case BFA_FCS_VPORT_SM_DELCOMP:
6191                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6192                 bfa_fcs_vport_free(vport);
6193                 break;
6194
6195         case BFA_FCS_VPORT_SM_STOPCOMP:
6196                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6197                 break;
6198
6199         case BFA_FCS_VPORT_SM_DELETE:
6200                 break;
6201
6202         default:
6203                 bfa_sm_fault(__vport_fcs(vport), event);
6204         }
6205 }
6206
6207 /*
6208  * LOGO is sent to fabric. Vport stop is in progress. Lport stop cleanup
6209  * is done.
6210  */
6211 static void
6212 bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6213                                enum bfa_fcs_vport_event event)
6214 {
6215         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6216         bfa_trc(__vport_fcs(vport), event);
6217
6218         switch (event) {
6219         case BFA_FCS_VPORT_SM_OFFLINE:
6220                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6221                 /*
6222                  * !!! fall through !!!
6223                  */
6224
6225         case BFA_FCS_VPORT_SM_RSP_OK:
6226         case BFA_FCS_VPORT_SM_RSP_ERROR:
6227                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6228                 break;
6229
6230         default:
6231                 bfa_sm_fault(__vport_fcs(vport), event);
6232         }
6233 }
6234
6235 /*
6236  * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
6237  * is done.
6238  */
6239 static void
6240 bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6241                         enum bfa_fcs_vport_event event)
6242 {
6243         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6244         bfa_trc(__vport_fcs(vport), event);
6245
6246         switch (event) {
6247         case BFA_FCS_VPORT_SM_OFFLINE:
6248                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6249                 /*
6250                  * !!! fall through !!!
6251                  */
6252
6253         case BFA_FCS_VPORT_SM_RSP_OK:
6254         case BFA_FCS_VPORT_SM_RSP_ERROR:
6255                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6256                 bfa_fcs_vport_free(vport);
6257                 break;
6258
6259         case BFA_FCS_VPORT_SM_DELETE:
6260                 break;
6261
6262         default:
6263                 bfa_sm_fault(__vport_fcs(vport), event);
6264         }
6265 }
6266
6267
6268
6269 /*
6270  *  fcs_vport_private FCS virtual port private functions
6271  */
6272 /*
6273  * Send AEN notification
6274  */
6275 static void
6276 bfa_fcs_vport_aen_post(struct bfa_fcs_lport_s *port,
6277                        enum bfa_lport_aen_event event)
6278 {
6279         struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
6280         struct bfa_aen_entry_s  *aen_entry;
6281
6282         bfad_get_aen_entry(bfad, aen_entry);
6283         if (!aen_entry)
6284                 return;
6285
6286         aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
6287         aen_entry->aen_data.lport.roles = port->port_cfg.roles;
6288         aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
6289                                         bfa_fcs_get_base_port(port->fcs));
6290         aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
6291
6292         /* Send the AEN notification */
6293         bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
6294                                   BFA_AEN_CAT_LPORT, event);
6295 }
6296
6297 /*
6298  * This routine will be called to send a FDISC command.
6299  */
6300 static void
6301 bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
6302 {
6303         bfa_lps_fdisc(vport->lps, vport,
6304                 bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
6305                 __vport_pwwn(vport), __vport_nwwn(vport));
6306         vport->vport_stats.fdisc_sent++;
6307 }
6308
6309 static void
6310 bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
6311 {
6312         u8              lsrjt_rsn = vport->lps->lsrjt_rsn;
6313         u8              lsrjt_expl = vport->lps->lsrjt_expl;
6314
6315         bfa_trc(__vport_fcs(vport), lsrjt_rsn);
6316         bfa_trc(__vport_fcs(vport), lsrjt_expl);
6317
6318         /* For certain reason codes, we don't want to retry. */
6319         switch (vport->lps->lsrjt_expl) {
6320         case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
6321         case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
6322                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6323                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6324                 else {
6325                         bfa_fcs_vport_aen_post(&vport->lport,
6326                                         BFA_LPORT_AEN_NPIV_DUP_WWN);
6327                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
6328                 }
6329                 break;
6330
6331         case FC_LS_RJT_EXP_INSUFF_RES:
6332                 /*
6333                  * This means max logins per port/switch setting on the
6334                  * switch was exceeded.
6335                  */
6336                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6337                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6338                 else {
6339                         bfa_fcs_vport_aen_post(&vport->lport,
6340                                         BFA_LPORT_AEN_NPIV_FABRIC_MAX);
6341                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6342                 }
6343                 break;
6344
6345         default:
6346                 if (vport->fdisc_retries == 0)
6347                         bfa_fcs_vport_aen_post(&vport->lport,
6348                                         BFA_LPORT_AEN_NPIV_UNKNOWN);
6349                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6350         }
6351 }
6352
6353 /*
6354  *      Called to send a logout to the fabric. Used when a V-Port is
6355  *      deleted/stopped.
6356  */
6357 static void
6358 bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
6359 {
6360         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6361
6362         vport->vport_stats.logo_sent++;
6363         bfa_lps_fdisclogo(vport->lps);
6364 }
6365
6366
6367 /*
6368  *     This routine will be called by bfa_timer on timer timeouts.
6369  *
6370  *      param[in]       vport           - pointer to bfa_fcs_vport_t.
6371  *      param[out]      vport_status    - pointer to return vport status in
6372  *
6373  *      return
6374  *              void
6375  *
6376  *      Special Considerations:
6377  *
6378  *      note
6379  */
6380 static void
6381 bfa_fcs_vport_timeout(void *vport_arg)
6382 {
6383         struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
6384
6385         vport->vport_stats.fdisc_timeouts++;
6386         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
6387 }
6388
6389 static void
6390 bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
6391 {
6392         struct bfad_vport_s *vport_drv =
6393                         (struct bfad_vport_s *)vport->vport_drv;
6394
6395         bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
6396         bfa_lps_delete(vport->lps);
6397
6398         if (vport_drv->comp_del) {
6399                 complete(vport_drv->comp_del);
6400                 return;
6401         }
6402
6403         /*
6404          * We queue the vport delete work to the IM work_q from here.
6405          * The memory for the bfad_vport_s is freed from the FC function
6406          * template vport_delete entry point.
6407          */
6408         bfad_im_port_delete(vport_drv->drv_port.bfad, &vport_drv->drv_port);
6409 }
6410
6411 /*
6412  *  fcs_vport_public FCS virtual port public interfaces
6413  */
6414
6415 /*
6416  * Online notification from fabric SM.
6417  */
6418 void
6419 bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
6420 {
6421         vport->vport_stats.fab_online++;
6422         if (bfa_fcs_fabric_npiv_capable(__vport_fabric(vport)))
6423                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6424         else
6425                 vport->vport_stats.fab_no_npiv++;
6426 }
6427
6428 /*
6429  * Offline notification from fabric SM.
6430  */
6431 void
6432 bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
6433 {
6434         vport->vport_stats.fab_offline++;
6435         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6436 }
6437
6438 /*
6439  * Cleanup notification from fabric SM on link timer expiry.
6440  */
6441 void
6442 bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
6443 {
6444         vport->vport_stats.fab_cleanup++;
6445 }
6446
6447 /*
6448  * Stop notification from fabric SM. To be invoked from within FCS.
6449  */
6450 void
6451 bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport)
6452 {
6453         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6454 }
6455
6456 /*
6457  * delete notification from fabric SM. To be invoked from within FCS.
6458  */
6459 void
6460 bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
6461 {
6462         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6463 }
6464
6465 /*
6466  * Stop completion callback from associated lport
6467  */
6468 void
6469 bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport)
6470 {
6471         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOPCOMP);
6472 }
6473
6474 /*
6475  * Delete completion callback from associated lport
6476  */
6477 void
6478 bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
6479 {
6480         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
6481 }
6482
6483
6484
6485 /*
6486  *  fcs_vport_api Virtual port API
6487  */
6488
6489 /*
6490  *      Use this function to instantiate a new FCS vport object. This
6491  *      function will not trigger any HW initialization process (which will be
6492  *      done in vport_start() call)
6493  *
6494  *      param[in] vport -               pointer to bfa_fcs_vport_t. This space
6495  *                                      needs to be allocated by the driver.
6496  *      param[in] fcs           -       FCS instance
6497  *      param[in] vport_cfg     -       vport configuration
6498  *      param[in] vf_id         -       VF_ID if vport is created within a VF.
6499  *                                      FC_VF_ID_NULL to specify base fabric.
6500  *      param[in] vport_drv     -       Opaque handle back to the driver's vport
6501  *                                      structure
6502  *
6503  *      retval BFA_STATUS_OK - on success.
6504  *      retval BFA_STATUS_FAILED - on failure.
6505  */
6506 bfa_status_t
6507 bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6508                 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6509                 struct bfad_vport_s *vport_drv)
6510 {
6511         if (vport_cfg->pwwn == 0)
6512                 return BFA_STATUS_INVALID_WWN;
6513
6514         if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
6515                 return BFA_STATUS_VPORT_WWN_BP;
6516
6517         if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
6518                 return BFA_STATUS_VPORT_EXISTS;
6519
6520         if (fcs->fabric.num_vports ==
6521                         bfa_lps_get_max_vport(fcs->bfa))
6522                 return BFA_STATUS_VPORT_MAX;
6523
6524         vport->lps = bfa_lps_alloc(fcs->bfa);
6525         if (!vport->lps)
6526                 return BFA_STATUS_VPORT_MAX;
6527
6528         vport->vport_drv = vport_drv;
6529         vport_cfg->preboot_vp = BFA_FALSE;
6530
6531         bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6532         bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
6533         bfa_fcs_lport_init(&vport->lport, vport_cfg);
6534         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
6535
6536         return BFA_STATUS_OK;
6537 }
6538
6539 /*
6540  *      Use this function to instantiate a new FCS PBC vport object. This
6541  *      function will not trigger any HW initialization process (which will be
6542  *      done in vport_start() call)
6543  *
6544  *      param[in] vport -       pointer to bfa_fcs_vport_t. This space
6545  *                              needs to be allocated by the driver.
6546  *      param[in] fcs   -       FCS instance
6547  *      param[in] vport_cfg     -       vport configuration
6548  *      param[in] vf_id         -       VF_ID if vport is created within a VF.
6549  *                                      FC_VF_ID_NULL to specify base fabric.
6550  *      param[in] vport_drv     -       Opaque handle back to the driver's vport
6551  *                                      structure
6552  *
6553  *      retval BFA_STATUS_OK - on success.
6554  *      retval BFA_STATUS_FAILED - on failure.
6555  */
6556 bfa_status_t
6557 bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6558                         u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6559                         struct bfad_vport_s *vport_drv)
6560 {
6561         bfa_status_t rc;
6562
6563         rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
6564         vport->lport.port_cfg.preboot_vp = BFA_TRUE;
6565
6566         return rc;
6567 }
6568
6569 /*
6570  *      Use this function to findout if this is a pbc vport or not.
6571  *
6572  * @param[in] vport - pointer to bfa_fcs_vport_t.
6573  *
6574  * @returns None
6575  */
6576 bfa_boolean_t
6577 bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
6578 {
6579
6580         if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
6581                 return BFA_TRUE;
6582         else
6583                 return BFA_FALSE;
6584
6585 }
6586
6587 /*
6588  * Use this function initialize the vport.
6589  *
6590  * @param[in] vport - pointer to bfa_fcs_vport_t.
6591  *
6592  * @returns None
6593  */
6594 bfa_status_t
6595 bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
6596 {
6597         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
6598
6599         return BFA_STATUS_OK;
6600 }
6601
6602 /*
6603  *      Use this function quiese the vport object. This function will return
6604  *      immediately, when the vport is actually stopped, the
6605  *      bfa_drv_vport_stop_cb() will be called.
6606  *
6607  *      param[in] vport - pointer to bfa_fcs_vport_t.
6608  *
6609  *      return None
6610  */
6611 bfa_status_t
6612 bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
6613 {
6614         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6615
6616         return BFA_STATUS_OK;
6617 }
6618
6619 /*
6620  *      Use this function to delete a vport object. Fabric object should
6621  *      be stopped before this function call.
6622  *
6623  *      !!!!!!! Donot invoke this from within FCS  !!!!!!!
6624  *
6625  *      param[in] vport - pointer to bfa_fcs_vport_t.
6626  *
6627  *      return     None
6628  */
6629 bfa_status_t
6630 bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
6631 {
6632
6633         if (vport->lport.port_cfg.preboot_vp)
6634                 return BFA_STATUS_PBC;
6635
6636         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6637
6638         return BFA_STATUS_OK;
6639 }
6640
6641 /*
6642  *      Use this function to get vport's current status info.
6643  *
6644  *      param[in] vport         pointer to bfa_fcs_vport_t.
6645  *      param[out] attr         pointer to return vport attributes
6646  *
6647  *      return None
6648  */
6649 void
6650 bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
6651                         struct bfa_vport_attr_s *attr)
6652 {
6653         if (vport == NULL || attr == NULL)
6654                 return;
6655
6656         memset(attr, 0, sizeof(struct bfa_vport_attr_s));
6657
6658         bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
6659         attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
6660 }
6661
6662
6663 /*
6664  *      Lookup a virtual port. Excludes base port from lookup.
6665  */
6666 struct bfa_fcs_vport_s *
6667 bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
6668 {
6669         struct bfa_fcs_vport_s *vport;
6670         struct bfa_fcs_fabric_s *fabric;
6671
6672         bfa_trc(fcs, vf_id);
6673         bfa_trc(fcs, vpwwn);
6674
6675         fabric = bfa_fcs_vf_lookup(fcs, vf_id);
6676         if (!fabric) {
6677                 bfa_trc(fcs, vf_id);
6678                 return NULL;
6679         }
6680
6681         vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
6682         return vport;
6683 }
6684
6685 /*
6686  * FDISC Response
6687  */
6688 void
6689 bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
6690 {
6691         struct bfa_fcs_vport_s *vport = uarg;
6692
6693         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6694         bfa_trc(__vport_fcs(vport), status);
6695
6696         switch (status) {
6697         case BFA_STATUS_OK:
6698                 /*
6699                  * Initialize the V-Port fields
6700                  */
6701                 __vport_fcid(vport) = vport->lps->lp_pid;
6702                 vport->vport_stats.fdisc_accepts++;
6703                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6704                 break;
6705
6706         case BFA_STATUS_INVALID_MAC:
6707                 /* Only for CNA */
6708                 vport->vport_stats.fdisc_acc_bad++;
6709                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6710
6711                 break;
6712
6713         case BFA_STATUS_EPROTOCOL:
6714                 switch (vport->lps->ext_status) {
6715                 case BFA_EPROTO_BAD_ACCEPT:
6716                         vport->vport_stats.fdisc_acc_bad++;
6717                         break;
6718
6719                 case BFA_EPROTO_UNKNOWN_RSP:
6720                         vport->vport_stats.fdisc_unknown_rsp++;
6721                         break;
6722
6723                 default:
6724                         break;
6725                 }
6726
6727                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6728                 break;
6729
6730         case BFA_STATUS_FABRIC_RJT:
6731                 vport->vport_stats.fdisc_rejects++;
6732                 bfa_fcs_vport_fdisc_rejected(vport);
6733                 break;
6734
6735         default:
6736                 vport->vport_stats.fdisc_rsp_err++;
6737                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6738         }
6739 }
6740
6741 /*
6742  * LOGO response
6743  */
6744 void
6745 bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
6746 {
6747         struct bfa_fcs_vport_s *vport = uarg;
6748         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6749 }
6750
6751 /*
6752  * Received clear virtual link
6753  */
6754 void
6755 bfa_cb_lps_cvl_event(void *bfad, void *uarg)
6756 {
6757         struct bfa_fcs_vport_s *vport = uarg;
6758
6759         /* Send an Offline followed by an ONLINE */
6760         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6761         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6762 }