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