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