linux/drivers/scsi/bfa/bfa_fcs_rport.c
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   1/*
   2 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
   3 * Copyright (c) 2014- QLogic Corporation.
   4 * All rights reserved
   5 * www.qlogic.com
   6 *
   7 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
   8 *
   9 * This program is free software; you can redistribute it and/or modify it
  10 * under the terms of the GNU General Public License (GPL) Version 2 as
  11 * published by the Free Software Foundation
  12 *
  13 * This program is distributed in the hope that it will be useful, but
  14 * WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 * General Public License for more details.
  17 */
  18
  19/*
  20 *  rport.c Remote port implementation.
  21 */
  22
  23#include "bfad_drv.h"
  24#include "bfad_im.h"
  25#include "bfa_fcs.h"
  26#include "bfa_fcbuild.h"
  27
  28BFA_TRC_FILE(FCS, RPORT);
  29
  30static u32
  31bfa_fcs_rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000;
  32         /* In millisecs */
  33/*
  34 * bfa_fcs_rport_max_logins is max count of bfa_fcs_rports
  35 * whereas DEF_CFG_NUM_RPORTS is max count of bfa_rports
  36 */
  37static u32 bfa_fcs_rport_max_logins = BFA_FCS_MAX_RPORT_LOGINS;
  38
  39/*
  40 * forward declarations
  41 */
  42static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc(
  43                struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid);
  44static void     bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport);
  45static void     bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport);
  46static void     bfa_fcs_rport_fcs_online_action(struct bfa_fcs_rport_s *rport);
  47static void     bfa_fcs_rport_hal_online_action(struct bfa_fcs_rport_s *rport);
  48static void     bfa_fcs_rport_fcs_offline_action(struct bfa_fcs_rport_s *rport);
  49static void     bfa_fcs_rport_hal_offline_action(struct bfa_fcs_rport_s *rport);
  50static void     bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport,
  51                                        struct fc_logi_s *plogi);
  52static void     bfa_fcs_rport_timeout(void *arg);
  53static void     bfa_fcs_rport_send_plogi(void *rport_cbarg,
  54                                         struct bfa_fcxp_s *fcxp_alloced);
  55static void     bfa_fcs_rport_send_plogiacc(void *rport_cbarg,
  56                                        struct bfa_fcxp_s *fcxp_alloced);
  57static void     bfa_fcs_rport_plogi_response(void *fcsarg,
  58                                struct bfa_fcxp_s *fcxp, void *cbarg,
  59                                bfa_status_t req_status, u32 rsp_len,
  60                                u32 resid_len, struct fchs_s *rsp_fchs);
  61static void     bfa_fcs_rport_send_adisc(void *rport_cbarg,
  62                                         struct bfa_fcxp_s *fcxp_alloced);
  63static void     bfa_fcs_rport_adisc_response(void *fcsarg,
  64                                struct bfa_fcxp_s *fcxp, void *cbarg,
  65                                bfa_status_t req_status, u32 rsp_len,
  66                                u32 resid_len, struct fchs_s *rsp_fchs);
  67static void     bfa_fcs_rport_send_nsdisc(void *rport_cbarg,
  68                                         struct bfa_fcxp_s *fcxp_alloced);
  69static void     bfa_fcs_rport_gidpn_response(void *fcsarg,
  70                                struct bfa_fcxp_s *fcxp, void *cbarg,
  71                                bfa_status_t req_status, u32 rsp_len,
  72                                u32 resid_len, struct fchs_s *rsp_fchs);
  73static void     bfa_fcs_rport_gpnid_response(void *fcsarg,
  74                                struct bfa_fcxp_s *fcxp, void *cbarg,
  75                                bfa_status_t req_status, u32 rsp_len,
  76                                u32 resid_len, struct fchs_s *rsp_fchs);
  77static void     bfa_fcs_rport_send_logo(void *rport_cbarg,
  78                                        struct bfa_fcxp_s *fcxp_alloced);
  79static void     bfa_fcs_rport_send_logo_acc(void *rport_cbarg);
  80static void     bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport,
  81                                        struct fchs_s *rx_fchs, u16 len);
  82static void     bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport,
  83                                struct fchs_s *rx_fchs, u8 reason_code,
  84                                          u8 reason_code_expl);
  85static void     bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport,
  86                                struct fchs_s *rx_fchs, u16 len);
  87static void bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport);
  88static void     bfa_fcs_rport_hal_offline(struct bfa_fcs_rport_s *rport);
  89
  90static void     bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport,
  91                                        enum rport_event event);
  92static void     bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport,
  93                                                enum rport_event event);
  94static void     bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport,
  95                                                  enum rport_event event);
  96static void     bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport,
  97                                                enum rport_event event);
  98static void     bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport,
  99                                        enum rport_event event);
 100static void     bfa_fcs_rport_sm_fc4_fcs_online(struct bfa_fcs_rport_s *rport,
 101                                        enum rport_event event);
 102static void     bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport,
 103                                                enum rport_event event);
 104static void     bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport,
 105                                        enum rport_event event);
 106static void     bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport,
 107                                                 enum rport_event event);
 108static void     bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport,
 109                                         enum rport_event event);
 110static void     bfa_fcs_rport_sm_adisc_online_sending(
 111                        struct bfa_fcs_rport_s *rport, enum rport_event event);
 112static void     bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport,
 113                                        enum rport_event event);
 114static void     bfa_fcs_rport_sm_adisc_offline_sending(struct bfa_fcs_rport_s
 115                                        *rport, enum rport_event event);
 116static void     bfa_fcs_rport_sm_adisc_offline(struct bfa_fcs_rport_s *rport,
 117                                        enum rport_event event);
 118static void     bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport,
 119                                                enum rport_event event);
 120static void     bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport,
 121                                                enum rport_event event);
 122static void     bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport,
 123                                                enum rport_event event);
 124static void     bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
 125                                                enum rport_event event);
 126static void     bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport,
 127                                                enum rport_event event);
 128static void     bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport,
 129                                                enum rport_event event);
 130static void     bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport,
 131                                                enum rport_event event);
 132static void     bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport,
 133                                         enum rport_event event);
 134static void     bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport,
 135                                                enum rport_event event);
 136static void     bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport,
 137                                                enum rport_event event);
 138static void     bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport,
 139                                                enum rport_event event);
 140static void     bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport,
 141                                                enum rport_event event);
 142static void     bfa_fcs_rport_sm_fc4_off_delete(struct bfa_fcs_rport_s *rport,
 143                                                enum rport_event event);
 144static void     bfa_fcs_rport_sm_delete_pending(struct bfa_fcs_rport_s *rport,
 145                                                enum rport_event event);
 146
 147static struct bfa_sm_table_s rport_sm_table[] = {
 148        {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT},
 149        {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI},
 150        {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE},
 151        {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY},
 152        {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI},
 153        {BFA_SM(bfa_fcs_rport_sm_fc4_fcs_online), BFA_RPORT_ONLINE},
 154        {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE},
 155        {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE},
 156        {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY},
 157        {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY},
 158        {BFA_SM(bfa_fcs_rport_sm_adisc_online_sending), BFA_RPORT_ADISC},
 159        {BFA_SM(bfa_fcs_rport_sm_adisc_online), BFA_RPORT_ADISC},
 160        {BFA_SM(bfa_fcs_rport_sm_adisc_offline_sending), BFA_RPORT_ADISC},
 161        {BFA_SM(bfa_fcs_rport_sm_adisc_offline), BFA_RPORT_ADISC},
 162        {BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV},
 163        {BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO},
 164        {BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE},
 165        {BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE},
 166        {BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV},
 167        {BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO},
 168        {BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO},
 169        {BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE},
 170        {BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC},
 171        {BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC},
 172        {BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC},
 173};
 174
 175/*
 176 *              Beginning state.
 177 */
 178static void
 179bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event)
 180{
 181        bfa_trc(rport->fcs, rport->pwwn);
 182        bfa_trc(rport->fcs, rport->pid);
 183        bfa_trc(rport->fcs, event);
 184
 185        switch (event) {
 186        case RPSM_EVENT_PLOGI_SEND:
 187                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
 188                rport->plogi_retries = 0;
 189                bfa_fcs_rport_send_plogi(rport, NULL);
 190                break;
 191
 192        case RPSM_EVENT_PLOGI_RCVD:
 193                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
 194                bfa_fcs_rport_send_plogiacc(rport, NULL);
 195                break;
 196
 197        case RPSM_EVENT_PLOGI_COMP:
 198                bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
 199                bfa_fcs_rport_hal_online(rport);
 200                break;
 201
 202        case RPSM_EVENT_ADDRESS_CHANGE:
 203        case RPSM_EVENT_ADDRESS_DISC:
 204                bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
 205                rport->ns_retries = 0;
 206                bfa_fcs_rport_send_nsdisc(rport, NULL);
 207                break;
 208        default:
 209                bfa_sm_fault(rport->fcs, event);
 210        }
 211}
 212
 213/*
 214 *              PLOGI is being sent.
 215 */
 216static void
 217bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport,
 218         enum rport_event event)
 219{
 220        bfa_trc(rport->fcs, rport->pwwn);
 221        bfa_trc(rport->fcs, rport->pid);
 222        bfa_trc(rport->fcs, event);
 223
 224        switch (event) {
 225        case RPSM_EVENT_FCXP_SENT:
 226                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi);
 227                break;
 228
 229        case RPSM_EVENT_DELETE:
 230                bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
 231                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 232                bfa_fcs_rport_free(rport);
 233                break;
 234
 235        case RPSM_EVENT_PLOGI_RCVD:
 236                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
 237                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 238                bfa_fcs_rport_send_plogiacc(rport, NULL);
 239                break;
 240
 241        case RPSM_EVENT_SCN_OFFLINE:
 242                bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
 243                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 244                bfa_timer_start(rport->fcs->bfa, &rport->timer,
 245                                bfa_fcs_rport_timeout, rport,
 246                                bfa_fcs_rport_del_timeout);
 247                break;
 248        case RPSM_EVENT_ADDRESS_CHANGE:
 249        case RPSM_EVENT_FAB_SCN:
 250                /* query the NS */
 251                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 252                WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) !=
 253                                        BFA_PORT_TOPOLOGY_LOOP));
 254                bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
 255                rport->ns_retries = 0;
 256                bfa_fcs_rport_send_nsdisc(rport, NULL);
 257                break;
 258
 259        case RPSM_EVENT_LOGO_IMP:
 260                rport->pid = 0;
 261                bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
 262                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 263                bfa_timer_start(rport->fcs->bfa, &rport->timer,
 264                                bfa_fcs_rport_timeout, rport,
 265                                bfa_fcs_rport_del_timeout);
 266                break;
 267
 268
 269        default:
 270                bfa_sm_fault(rport->fcs, event);
 271        }
 272}
 273
 274/*
 275 *              PLOGI is being sent.
 276 */
 277static void
 278bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport,
 279         enum rport_event event)
 280{
 281        bfa_trc(rport->fcs, rport->pwwn);
 282        bfa_trc(rport->fcs, rport->pid);
 283        bfa_trc(rport->fcs, event);
 284
 285        switch (event) {
 286        case RPSM_EVENT_FCXP_SENT:
 287                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
 288                bfa_fcs_rport_fcs_online_action(rport);
 289                break;
 290
 291        case RPSM_EVENT_DELETE:
 292                bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
 293                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 294                bfa_fcs_rport_free(rport);
 295                break;
 296
 297        case RPSM_EVENT_PLOGI_RCVD:
 298        case RPSM_EVENT_PLOGI_COMP:
 299        case RPSM_EVENT_FAB_SCN:
 300                /*
 301                 * Ignore, SCN is possibly online notification.
 302                 */
 303                break;
 304
 305        case RPSM_EVENT_SCN_OFFLINE:
 306                bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
 307                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 308                bfa_timer_start(rport->fcs->bfa, &rport->timer,
 309                                bfa_fcs_rport_timeout, rport,
 310                                bfa_fcs_rport_del_timeout);
 311                break;
 312
 313        case RPSM_EVENT_ADDRESS_CHANGE:
 314                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 315                bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
 316                rport->ns_retries = 0;
 317                bfa_fcs_rport_send_nsdisc(rport, NULL);
 318                break;
 319
 320        case RPSM_EVENT_LOGO_IMP:
 321                rport->pid = 0;
 322                bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
 323                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 324                bfa_timer_start(rport->fcs->bfa, &rport->timer,
 325                                bfa_fcs_rport_timeout, rport,
 326                                bfa_fcs_rport_del_timeout);
 327                break;
 328
 329        case RPSM_EVENT_HCB_OFFLINE:
 330                /*
 331                 * Ignore BFA callback, on a PLOGI receive we call bfa offline.
 332                 */
 333                break;
 334
 335        default:
 336                bfa_sm_fault(rport->fcs, event);
 337        }
 338}
 339
 340/*
 341 *              PLOGI is sent.
 342 */
 343static void
 344bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport,
 345                        enum rport_event event)
 346{
 347        bfa_trc(rport->fcs, rport->pwwn);
 348        bfa_trc(rport->fcs, rport->pid);
 349        bfa_trc(rport->fcs, event);
 350
 351        switch (event) {
 352        case RPSM_EVENT_TIMEOUT:
 353                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
 354                bfa_fcs_rport_send_plogi(rport, NULL);
 355                break;
 356
 357        case RPSM_EVENT_DELETE:
 358                bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
 359                bfa_timer_stop(&rport->timer);
 360                bfa_fcs_rport_free(rport);
 361                break;
 362
 363        case RPSM_EVENT_PRLO_RCVD:
 364        case RPSM_EVENT_LOGO_RCVD:
 365                break;
 366
 367        case RPSM_EVENT_PLOGI_RCVD:
 368                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
 369                bfa_timer_stop(&rport->timer);
 370                bfa_fcs_rport_send_plogiacc(rport, NULL);
 371                break;
 372
 373        case RPSM_EVENT_SCN_OFFLINE:
 374                bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
 375                bfa_timer_stop(&rport->timer);
 376                bfa_timer_start(rport->fcs->bfa, &rport->timer,
 377                                bfa_fcs_rport_timeout, rport,
 378                                bfa_fcs_rport_del_timeout);
 379                break;
 380
 381        case RPSM_EVENT_ADDRESS_CHANGE:
 382        case RPSM_EVENT_FAB_SCN:
 383                bfa_timer_stop(&rport->timer);
 384                WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) !=
 385                                        BFA_PORT_TOPOLOGY_LOOP));
 386                bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
 387                rport->ns_retries = 0;
 388                bfa_fcs_rport_send_nsdisc(rport, NULL);
 389                break;
 390
 391        case RPSM_EVENT_LOGO_IMP:
 392                rport->pid = 0;
 393                bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
 394                bfa_timer_stop(&rport->timer);
 395                bfa_timer_start(rport->fcs->bfa, &rport->timer,
 396                                bfa_fcs_rport_timeout, rport,
 397                                bfa_fcs_rport_del_timeout);
 398                break;
 399
 400        case RPSM_EVENT_PLOGI_COMP:
 401                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
 402                bfa_timer_stop(&rport->timer);
 403                bfa_fcs_rport_fcs_online_action(rport);
 404                break;
 405
 406        default:
 407                bfa_sm_fault(rport->fcs, event);
 408        }
 409}
 410
 411/*
 412 *              PLOGI is sent.
 413 */
 414static void
 415bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event)
 416{
 417        bfa_trc(rport->fcs, rport->pwwn);
 418        bfa_trc(rport->fcs, rport->pid);
 419        bfa_trc(rport->fcs, event);
 420
 421        switch (event) {
 422        case RPSM_EVENT_ACCEPTED:
 423                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
 424                rport->plogi_retries = 0;
 425                bfa_fcs_rport_fcs_online_action(rport);
 426                break;
 427
 428        case RPSM_EVENT_LOGO_RCVD:
 429                bfa_fcs_rport_send_logo_acc(rport);
 430                /*
 431                 * !! fall through !!
 432                 */
 433        case RPSM_EVENT_PRLO_RCVD:
 434                if (rport->prlo == BFA_TRUE)
 435                        bfa_fcs_rport_send_prlo_acc(rport);
 436
 437                bfa_fcxp_discard(rport->fcxp);
 438                /*
 439                 * !! fall through !!
 440                 */
 441        case RPSM_EVENT_FAILED:
 442                if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) {
 443                        rport->plogi_retries++;
 444                        bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry);
 445                        bfa_timer_start(rport->fcs->bfa, &rport->timer,
 446                                        bfa_fcs_rport_timeout, rport,
 447                                        BFA_FCS_RETRY_TIMEOUT);
 448                } else {
 449                        bfa_stats(rport->port, rport_del_max_plogi_retry);
 450                        rport->old_pid = rport->pid;
 451                        rport->pid = 0;
 452                        bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
 453                        bfa_timer_start(rport->fcs->bfa, &rport->timer,
 454                                        bfa_fcs_rport_timeout, rport,
 455                                        bfa_fcs_rport_del_timeout);
 456                }
 457                break;
 458
 459        case RPSM_EVENT_SCN_ONLINE:
 460                break;
 461
 462        case RPSM_EVENT_SCN_OFFLINE:
 463                bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
 464                bfa_fcxp_discard(rport->fcxp);
 465                bfa_timer_start(rport->fcs->bfa, &rport->timer,
 466                                bfa_fcs_rport_timeout, rport,
 467                                bfa_fcs_rport_del_timeout);
 468                break;
 469
 470        case RPSM_EVENT_PLOGI_RETRY:
 471                rport->plogi_retries = 0;
 472                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry);
 473                bfa_timer_start(rport->fcs->bfa, &rport->timer,
 474                                bfa_fcs_rport_timeout, rport,
 475                                (FC_RA_TOV * 1000));
 476                break;
 477
 478        case RPSM_EVENT_LOGO_IMP:
 479                rport->pid = 0;
 480                bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
 481                bfa_fcxp_discard(rport->fcxp);
 482                bfa_timer_start(rport->fcs->bfa, &rport->timer,
 483                                bfa_fcs_rport_timeout, rport,
 484                                bfa_fcs_rport_del_timeout);
 485                break;
 486
 487        case RPSM_EVENT_ADDRESS_CHANGE:
 488        case RPSM_EVENT_FAB_SCN:
 489                bfa_fcxp_discard(rport->fcxp);
 490                WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) !=
 491                                        BFA_PORT_TOPOLOGY_LOOP));
 492                bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
 493                rport->ns_retries = 0;
 494                bfa_fcs_rport_send_nsdisc(rport, NULL);
 495                break;
 496
 497        case RPSM_EVENT_PLOGI_RCVD:
 498                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
 499                bfa_fcxp_discard(rport->fcxp);
 500                bfa_fcs_rport_send_plogiacc(rport, NULL);
 501                break;
 502
 503        case RPSM_EVENT_DELETE:
 504                bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
 505                bfa_fcxp_discard(rport->fcxp);
 506                bfa_fcs_rport_free(rport);
 507                break;
 508
 509        case RPSM_EVENT_PLOGI_COMP:
 510                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
 511                bfa_fcxp_discard(rport->fcxp);
 512                bfa_fcs_rport_fcs_online_action(rport);
 513                break;
 514
 515        default:
 516                bfa_sm_fault(rport->fcs, event);
 517        }
 518}
 519
 520/*
 521 * PLOGI is done. Await bfa_fcs_itnim to ascertain the scsi function
 522 */
 523static void
 524bfa_fcs_rport_sm_fc4_fcs_online(struct bfa_fcs_rport_s *rport,
 525                                enum rport_event event)
 526{
 527        bfa_trc(rport->fcs, rport->pwwn);
 528        bfa_trc(rport->fcs, rport->pid);
 529        bfa_trc(rport->fcs, event);
 530
 531        switch (event) {
 532        case RPSM_EVENT_FC4_FCS_ONLINE:
 533                if (rport->scsi_function == BFA_RPORT_INITIATOR) {
 534                        if (!BFA_FCS_PID_IS_WKA(rport->pid))
 535                                bfa_fcs_rpf_rport_online(rport);
 536                        bfa_sm_set_state(rport, bfa_fcs_rport_sm_online);
 537                        break;
 538                }
 539
 540                if (!rport->bfa_rport)
 541                        rport->bfa_rport =
 542                                bfa_rport_create(rport->fcs->bfa, rport);
 543
 544                if (rport->bfa_rport) {
 545                        bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
 546                        bfa_fcs_rport_hal_online(rport);
 547                } else {
 548                        bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
 549                        bfa_fcs_rport_fcs_offline_action(rport);
 550                }
 551                break;
 552
 553        case RPSM_EVENT_PLOGI_RCVD:
 554                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 555                rport->plogi_pending = BFA_TRUE;
 556                bfa_fcs_rport_fcs_offline_action(rport);
 557                break;
 558
 559        case RPSM_EVENT_PLOGI_COMP:
 560        case RPSM_EVENT_LOGO_IMP:
 561        case RPSM_EVENT_ADDRESS_CHANGE:
 562        case RPSM_EVENT_FAB_SCN:
 563        case RPSM_EVENT_SCN_OFFLINE:
 564                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 565                bfa_fcs_rport_fcs_offline_action(rport);
 566                break;
 567
 568        case RPSM_EVENT_LOGO_RCVD:
 569        case RPSM_EVENT_PRLO_RCVD:
 570                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
 571                bfa_fcs_rport_fcs_offline_action(rport);
 572                break;
 573
 574        case RPSM_EVENT_DELETE:
 575                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
 576                bfa_fcs_rport_fcs_offline_action(rport);
 577                break;
 578
 579        default:
 580                bfa_sm_fault(rport->fcs, event);
 581                break;
 582        }
 583}
 584
 585/*
 586 *              PLOGI is complete. Awaiting BFA rport online callback. FC-4s
 587 *              are offline.
 588 */
 589static void
 590bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport,
 591                        enum rport_event event)
 592{
 593        bfa_trc(rport->fcs, rport->pwwn);
 594        bfa_trc(rport->fcs, rport->pid);
 595        bfa_trc(rport->fcs, event);
 596
 597        switch (event) {
 598        case RPSM_EVENT_HCB_ONLINE:
 599                bfa_sm_set_state(rport, bfa_fcs_rport_sm_online);
 600                bfa_fcs_rport_hal_online_action(rport);
 601                break;
 602
 603        case RPSM_EVENT_PLOGI_COMP:
 604                break;
 605
 606        case RPSM_EVENT_PRLO_RCVD:
 607        case RPSM_EVENT_LOGO_RCVD:
 608                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
 609                bfa_fcs_rport_fcs_offline_action(rport);
 610                break;
 611
 612        case RPSM_EVENT_FAB_SCN:
 613        case RPSM_EVENT_LOGO_IMP:
 614        case RPSM_EVENT_ADDRESS_CHANGE:
 615        case RPSM_EVENT_SCN_OFFLINE:
 616                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 617                bfa_fcs_rport_fcs_offline_action(rport);
 618                break;
 619
 620        case RPSM_EVENT_PLOGI_RCVD:
 621                rport->plogi_pending = BFA_TRUE;
 622                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 623                bfa_fcs_rport_fcs_offline_action(rport);
 624                break;
 625
 626        case RPSM_EVENT_DELETE:
 627                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
 628                bfa_fcs_rport_fcs_offline_action(rport);
 629                break;
 630
 631        default:
 632                bfa_sm_fault(rport->fcs, event);
 633        }
 634}
 635
 636/*
 637 *              Rport is ONLINE. FC-4s active.
 638 */
 639static void
 640bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event)
 641{
 642        bfa_trc(rport->fcs, rport->pwwn);
 643        bfa_trc(rport->fcs, rport->pid);
 644        bfa_trc(rport->fcs, event);
 645
 646        switch (event) {
 647        case RPSM_EVENT_FAB_SCN:
 648                if (bfa_fcs_fabric_is_switched(rport->port->fabric)) {
 649                        bfa_sm_set_state(rport,
 650                                         bfa_fcs_rport_sm_nsquery_sending);
 651                        rport->ns_retries = 0;
 652                        bfa_fcs_rport_send_nsdisc(rport, NULL);
 653                } else {
 654                        bfa_sm_set_state(rport,
 655                                bfa_fcs_rport_sm_adisc_online_sending);
 656                        bfa_fcs_rport_send_adisc(rport, NULL);
 657                }
 658                break;
 659
 660        case RPSM_EVENT_PLOGI_RCVD:
 661        case RPSM_EVENT_LOGO_IMP:
 662        case RPSM_EVENT_ADDRESS_CHANGE:
 663        case RPSM_EVENT_SCN_OFFLINE:
 664                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 665                bfa_fcs_rport_hal_offline_action(rport);
 666                break;
 667
 668        case RPSM_EVENT_DELETE:
 669                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
 670                bfa_fcs_rport_hal_offline_action(rport);
 671                break;
 672
 673        case RPSM_EVENT_LOGO_RCVD:
 674        case RPSM_EVENT_PRLO_RCVD:
 675                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
 676                bfa_fcs_rport_hal_offline_action(rport);
 677                break;
 678
 679        case RPSM_EVENT_SCN_ONLINE:
 680        case RPSM_EVENT_PLOGI_COMP:
 681                break;
 682
 683        default:
 684                bfa_sm_fault(rport->fcs, event);
 685        }
 686}
 687
 688/*
 689 *              An SCN event is received in ONLINE state. NS query is being sent
 690 *              prior to ADISC authentication with rport. FC-4s are paused.
 691 */
 692static void
 693bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport,
 694         enum rport_event event)
 695{
 696        bfa_trc(rport->fcs, rport->pwwn);
 697        bfa_trc(rport->fcs, rport->pid);
 698        bfa_trc(rport->fcs, event);
 699
 700        switch (event) {
 701        case RPSM_EVENT_FCXP_SENT:
 702                bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery);
 703                break;
 704
 705        case RPSM_EVENT_DELETE:
 706                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
 707                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 708                bfa_fcs_rport_hal_offline_action(rport);
 709                break;
 710
 711        case RPSM_EVENT_FAB_SCN:
 712                /*
 713                 * ignore SCN, wait for response to query itself
 714                 */
 715                break;
 716
 717        case RPSM_EVENT_LOGO_RCVD:
 718        case RPSM_EVENT_PRLO_RCVD:
 719                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
 720                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 721                bfa_fcs_rport_hal_offline_action(rport);
 722                break;
 723
 724        case RPSM_EVENT_LOGO_IMP:
 725        case RPSM_EVENT_PLOGI_RCVD:
 726        case RPSM_EVENT_ADDRESS_CHANGE:
 727        case RPSM_EVENT_PLOGI_COMP:
 728                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 729                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 730                bfa_fcs_rport_hal_offline_action(rport);
 731                break;
 732
 733        default:
 734                bfa_sm_fault(rport->fcs, event);
 735        }
 736}
 737
 738/*
 739 *      An SCN event is received in ONLINE state. NS query is sent to rport.
 740 *      FC-4s are paused.
 741 */
 742static void
 743bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event)
 744{
 745        bfa_trc(rport->fcs, rport->pwwn);
 746        bfa_trc(rport->fcs, rport->pid);
 747        bfa_trc(rport->fcs, event);
 748
 749        switch (event) {
 750        case RPSM_EVENT_ACCEPTED:
 751                bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_online_sending);
 752                bfa_fcs_rport_send_adisc(rport, NULL);
 753                break;
 754
 755        case RPSM_EVENT_FAILED:
 756                rport->ns_retries++;
 757                if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) {
 758                        bfa_sm_set_state(rport,
 759                                         bfa_fcs_rport_sm_nsquery_sending);
 760                        bfa_fcs_rport_send_nsdisc(rport, NULL);
 761                } else {
 762                        bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 763                        bfa_fcs_rport_hal_offline_action(rport);
 764                }
 765                break;
 766
 767        case RPSM_EVENT_DELETE:
 768                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
 769                bfa_fcxp_discard(rport->fcxp);
 770                bfa_fcs_rport_hal_offline_action(rport);
 771                break;
 772
 773        case RPSM_EVENT_FAB_SCN:
 774                break;
 775
 776        case RPSM_EVENT_LOGO_RCVD:
 777        case RPSM_EVENT_PRLO_RCVD:
 778                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
 779                bfa_fcxp_discard(rport->fcxp);
 780                bfa_fcs_rport_hal_offline_action(rport);
 781                break;
 782
 783        case RPSM_EVENT_PLOGI_COMP:
 784        case RPSM_EVENT_ADDRESS_CHANGE:
 785        case RPSM_EVENT_PLOGI_RCVD:
 786        case RPSM_EVENT_LOGO_IMP:
 787                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 788                bfa_fcxp_discard(rport->fcxp);
 789                bfa_fcs_rport_hal_offline_action(rport);
 790                break;
 791
 792        default:
 793                bfa_sm_fault(rport->fcs, event);
 794        }
 795}
 796
 797/*
 798 *      An SCN event is received in ONLINE state. ADISC is being sent for
 799 *      authenticating with rport. FC-4s are paused.
 800 */
 801static void
 802bfa_fcs_rport_sm_adisc_online_sending(struct bfa_fcs_rport_s *rport,
 803         enum rport_event event)
 804{
 805        bfa_trc(rport->fcs, rport->pwwn);
 806        bfa_trc(rport->fcs, rport->pid);
 807        bfa_trc(rport->fcs, event);
 808
 809        switch (event) {
 810        case RPSM_EVENT_FCXP_SENT:
 811                bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_online);
 812                break;
 813
 814        case RPSM_EVENT_DELETE:
 815                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
 816                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 817                bfa_fcs_rport_hal_offline_action(rport);
 818                break;
 819
 820        case RPSM_EVENT_LOGO_IMP:
 821        case RPSM_EVENT_ADDRESS_CHANGE:
 822                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 823                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 824                bfa_fcs_rport_hal_offline_action(rport);
 825                break;
 826
 827        case RPSM_EVENT_LOGO_RCVD:
 828        case RPSM_EVENT_PRLO_RCVD:
 829                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
 830                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 831                bfa_fcs_rport_hal_offline_action(rport);
 832                break;
 833
 834        case RPSM_EVENT_FAB_SCN:
 835                break;
 836
 837        case RPSM_EVENT_PLOGI_RCVD:
 838                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 839                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 840                bfa_fcs_rport_hal_offline_action(rport);
 841                break;
 842
 843        default:
 844                bfa_sm_fault(rport->fcs, event);
 845        }
 846}
 847
 848/*
 849 *              An SCN event is received in ONLINE state. ADISC is to rport.
 850 *              FC-4s are paused.
 851 */
 852static void
 853bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport,
 854                                enum rport_event event)
 855{
 856        bfa_trc(rport->fcs, rport->pwwn);
 857        bfa_trc(rport->fcs, rport->pid);
 858        bfa_trc(rport->fcs, event);
 859
 860        switch (event) {
 861        case RPSM_EVENT_ACCEPTED:
 862                bfa_sm_set_state(rport, bfa_fcs_rport_sm_online);
 863                break;
 864
 865        case RPSM_EVENT_PLOGI_RCVD:
 866                /*
 867                 * Too complex to cleanup FC-4 & rport and then acc to PLOGI.
 868                 * At least go offline when a PLOGI is received.
 869                 */
 870                bfa_fcxp_discard(rport->fcxp);
 871                /*
 872                 * !!! fall through !!!
 873                 */
 874
 875        case RPSM_EVENT_FAILED:
 876        case RPSM_EVENT_ADDRESS_CHANGE:
 877                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 878                bfa_fcs_rport_hal_offline_action(rport);
 879                break;
 880
 881        case RPSM_EVENT_DELETE:
 882                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
 883                bfa_fcxp_discard(rport->fcxp);
 884                bfa_fcs_rport_hal_offline_action(rport);
 885                break;
 886
 887        case RPSM_EVENT_FAB_SCN:
 888                /*
 889                 * already processing RSCN
 890                 */
 891                break;
 892
 893        case RPSM_EVENT_LOGO_IMP:
 894                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
 895                bfa_fcxp_discard(rport->fcxp);
 896                bfa_fcs_rport_hal_offline_action(rport);
 897                break;
 898
 899        case RPSM_EVENT_LOGO_RCVD:
 900        case RPSM_EVENT_PRLO_RCVD:
 901                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
 902                bfa_fcxp_discard(rport->fcxp);
 903                bfa_fcs_rport_hal_offline_action(rport);
 904                break;
 905
 906        default:
 907                bfa_sm_fault(rport->fcs, event);
 908        }
 909}
 910
 911/*
 912 * ADISC is being sent for authenticating with rport
 913 * Already did offline actions.
 914 */
 915static void
 916bfa_fcs_rport_sm_adisc_offline_sending(struct bfa_fcs_rport_s *rport,
 917        enum rport_event event)
 918{
 919        bfa_trc(rport->fcs, rport->pwwn);
 920        bfa_trc(rport->fcs, rport->pid);
 921        bfa_trc(rport->fcs, event);
 922
 923        switch (event) {
 924        case RPSM_EVENT_FCXP_SENT:
 925                bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_offline);
 926                break;
 927
 928        case RPSM_EVENT_DELETE:
 929        case RPSM_EVENT_SCN_OFFLINE:
 930        case RPSM_EVENT_LOGO_IMP:
 931        case RPSM_EVENT_LOGO_RCVD:
 932        case RPSM_EVENT_PRLO_RCVD:
 933                bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
 934                bfa_fcxp_walloc_cancel(rport->fcs->bfa,
 935                        &rport->fcxp_wqe);
 936                bfa_timer_start(rport->fcs->bfa, &rport->timer,
 937                        bfa_fcs_rport_timeout, rport,
 938                        bfa_fcs_rport_del_timeout);
 939                break;
 940
 941        case RPSM_EVENT_PLOGI_RCVD:
 942                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
 943                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
 944                bfa_fcs_rport_send_plogiacc(rport, NULL);
 945                break;
 946
 947        default:
 948                bfa_sm_fault(rport->fcs, event);
 949        }
 950}
 951
 952/*
 953 * ADISC to rport
 954 * Already did offline actions
 955 */
 956static void
 957bfa_fcs_rport_sm_adisc_offline(struct bfa_fcs_rport_s *rport,
 958                        enum rport_event event)
 959{
 960        bfa_trc(rport->fcs, rport->pwwn);
 961        bfa_trc(rport->fcs, rport->pid);
 962        bfa_trc(rport->fcs, event);
 963
 964        switch (event) {
 965        case RPSM_EVENT_ACCEPTED:
 966                bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
 967                bfa_fcs_rport_hal_online(rport);
 968                break;
 969
 970        case RPSM_EVENT_PLOGI_RCVD:
 971                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
 972                bfa_fcxp_discard(rport->fcxp);
 973                bfa_fcs_rport_send_plogiacc(rport, NULL);
 974                break;
 975
 976        case RPSM_EVENT_FAILED:
 977                bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
 978                bfa_timer_start(rport->fcs->bfa, &rport->timer,
 979                        bfa_fcs_rport_timeout, rport,
 980                        bfa_fcs_rport_del_timeout);
 981                break;
 982
 983        case RPSM_EVENT_DELETE:
 984        case RPSM_EVENT_SCN_OFFLINE:
 985        case RPSM_EVENT_LOGO_IMP:
 986        case RPSM_EVENT_LOGO_RCVD:
 987        case RPSM_EVENT_PRLO_RCVD:
 988                bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
 989                bfa_fcxp_discard(rport->fcxp);
 990                bfa_timer_start(rport->fcs->bfa, &rport->timer,
 991                        bfa_fcs_rport_timeout, rport,
 992                        bfa_fcs_rport_del_timeout);
 993                break;
 994
 995        default:
 996                bfa_sm_fault(rport->fcs, event);
 997        }
 998}
 999
1000/*
1001 * Rport has sent LOGO. Awaiting FC-4 offline completion callback.
1002 */
1003static void
1004bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport,
1005                        enum rport_event event)
1006{
1007        bfa_trc(rport->fcs, rport->pwwn);
1008        bfa_trc(rport->fcs, rport->pid);
1009        bfa_trc(rport->fcs, event);
1010
1011        switch (event) {
1012        case RPSM_EVENT_FC4_OFFLINE:
1013                bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv);
1014                bfa_fcs_rport_hal_offline(rport);
1015                break;
1016
1017        case RPSM_EVENT_DELETE:
1018                if (rport->pid && (rport->prlo == BFA_TRUE))
1019                        bfa_fcs_rport_send_prlo_acc(rport);
1020                if (rport->pid && (rport->prlo == BFA_FALSE))
1021                        bfa_fcs_rport_send_logo_acc(rport);
1022
1023                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_off_delete);
1024                break;
1025
1026        case RPSM_EVENT_SCN_ONLINE:
1027        case RPSM_EVENT_SCN_OFFLINE:
1028        case RPSM_EVENT_HCB_ONLINE:
1029        case RPSM_EVENT_LOGO_RCVD:
1030        case RPSM_EVENT_PRLO_RCVD:
1031        case RPSM_EVENT_ADDRESS_CHANGE:
1032                break;
1033
1034        default:
1035                bfa_sm_fault(rport->fcs, event);
1036        }
1037}
1038
1039/*
1040 *              LOGO needs to be sent to rport. Awaiting FC-4 offline completion
1041 *              callback.
1042 */
1043static void
1044bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport,
1045         enum rport_event event)
1046{
1047        bfa_trc(rport->fcs, rport->pwwn);
1048        bfa_trc(rport->fcs, rport->pid);
1049        bfa_trc(rport->fcs, event);
1050
1051        switch (event) {
1052        case RPSM_EVENT_FC4_OFFLINE:
1053                bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend);
1054                bfa_fcs_rport_hal_offline(rport);
1055                break;
1056
1057        case RPSM_EVENT_LOGO_RCVD:
1058                bfa_fcs_rport_send_logo_acc(rport);
1059        case RPSM_EVENT_PRLO_RCVD:
1060                if (rport->prlo == BFA_TRUE)
1061                        bfa_fcs_rport_send_prlo_acc(rport);
1062                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_off_delete);
1063                break;
1064
1065        case RPSM_EVENT_HCB_ONLINE:
1066        case RPSM_EVENT_DELETE:
1067                /* Rport is being deleted */
1068                break;
1069
1070        default:
1071                bfa_sm_fault(rport->fcs, event);
1072        }
1073}
1074
1075/*
1076 *      Rport is going offline. Awaiting FC-4 offline completion callback.
1077 */
1078static void
1079bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport,
1080                        enum rport_event event)
1081{
1082        bfa_trc(rport->fcs, rport->pwwn);
1083        bfa_trc(rport->fcs, rport->pid);
1084        bfa_trc(rport->fcs, event);
1085
1086        switch (event) {
1087        case RPSM_EVENT_FC4_OFFLINE:
1088                bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline);
1089                bfa_fcs_rport_hal_offline(rport);
1090                break;
1091
1092        case RPSM_EVENT_SCN_ONLINE:
1093                break;
1094        case RPSM_EVENT_LOGO_RCVD:
1095                /*
1096                 * Rport is going offline. Just ack the logo
1097                 */
1098                bfa_fcs_rport_send_logo_acc(rport);
1099                break;
1100
1101        case RPSM_EVENT_PRLO_RCVD:
1102                bfa_fcs_rport_send_prlo_acc(rport);
1103                break;
1104
1105        case RPSM_EVENT_SCN_OFFLINE:
1106        case RPSM_EVENT_HCB_ONLINE:
1107        case RPSM_EVENT_FAB_SCN:
1108        case RPSM_EVENT_LOGO_IMP:
1109        case RPSM_EVENT_ADDRESS_CHANGE:
1110                /*
1111                 * rport is already going offline.
1112                 * SCN - ignore and wait till transitioning to offline state
1113                 */
1114                break;
1115
1116        case RPSM_EVENT_DELETE:
1117                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
1118                break;
1119
1120        default:
1121                bfa_sm_fault(rport->fcs, event);
1122        }
1123}
1124
1125/*
1126 *              Rport is offline. FC-4s are offline. Awaiting BFA rport offline
1127 *              callback.
1128 */
1129static void
1130bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
1131                                enum rport_event event)
1132{
1133        bfa_trc(rport->fcs, rport->pwwn);
1134        bfa_trc(rport->fcs, rport->pid);
1135        bfa_trc(rport->fcs, event);
1136
1137        switch (event) {
1138        case RPSM_EVENT_HCB_OFFLINE:
1139                if (bfa_fcs_lport_is_online(rport->port) &&
1140                    (rport->plogi_pending)) {
1141                        rport->plogi_pending = BFA_FALSE;
1142                        bfa_sm_set_state(rport,
1143                                bfa_fcs_rport_sm_plogiacc_sending);
1144                        bfa_fcs_rport_send_plogiacc(rport, NULL);
1145                        break;
1146                }
1147                /*
1148                 * !! fall through !!
1149                 */
1150
1151        case RPSM_EVENT_ADDRESS_CHANGE:
1152                if (!bfa_fcs_lport_is_online(rport->port)) {
1153                        rport->pid = 0;
1154                        bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
1155                        bfa_timer_start(rport->fcs->bfa, &rport->timer,
1156                                        bfa_fcs_rport_timeout, rport,
1157                                        bfa_fcs_rport_del_timeout);
1158                        break;
1159                }
1160                if (bfa_fcs_fabric_is_switched(rport->port->fabric)) {
1161                        bfa_sm_set_state(rport,
1162                                bfa_fcs_rport_sm_nsdisc_sending);
1163                        rport->ns_retries = 0;
1164                        bfa_fcs_rport_send_nsdisc(rport, NULL);
1165                } else if (bfa_fcport_get_topology(rport->port->fcs->bfa) ==
1166                                        BFA_PORT_TOPOLOGY_LOOP) {
1167                        if (rport->scn_online) {
1168                                bfa_sm_set_state(rport,
1169                                        bfa_fcs_rport_sm_adisc_offline_sending);
1170                                bfa_fcs_rport_send_adisc(rport, NULL);
1171                        } else {
1172                                bfa_sm_set_state(rport,
1173                                        bfa_fcs_rport_sm_offline);
1174                                bfa_timer_start(rport->fcs->bfa, &rport->timer,
1175                                        bfa_fcs_rport_timeout, rport,
1176                                        bfa_fcs_rport_del_timeout);
1177                        }
1178                } else {
1179                        bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
1180                        rport->plogi_retries = 0;
1181                        bfa_fcs_rport_send_plogi(rport, NULL);
1182                }
1183                break;
1184
1185        case RPSM_EVENT_DELETE:
1186                bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1187                bfa_fcs_rport_free(rport);
1188                break;
1189
1190        case RPSM_EVENT_SCN_ONLINE:
1191        case RPSM_EVENT_SCN_OFFLINE:
1192        case RPSM_EVENT_FAB_SCN:
1193        case RPSM_EVENT_LOGO_RCVD:
1194        case RPSM_EVENT_PRLO_RCVD:
1195        case RPSM_EVENT_PLOGI_RCVD:
1196        case RPSM_EVENT_LOGO_IMP:
1197                /*
1198                 * Ignore, already offline.
1199                 */
1200                break;
1201
1202        default:
1203                bfa_sm_fault(rport->fcs, event);
1204        }
1205}
1206
1207/*
1208 *              Rport is offline. FC-4s are offline. Awaiting BFA rport offline
1209 *              callback to send LOGO accept.
1210 */
1211static void
1212bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport,
1213                        enum rport_event event)
1214{
1215        bfa_trc(rport->fcs, rport->pwwn);
1216        bfa_trc(rport->fcs, rport->pid);
1217        bfa_trc(rport->fcs, event);
1218
1219        switch (event) {
1220        case RPSM_EVENT_HCB_OFFLINE:
1221        case RPSM_EVENT_ADDRESS_CHANGE:
1222                if (rport->pid && (rport->prlo == BFA_TRUE))
1223                        bfa_fcs_rport_send_prlo_acc(rport);
1224                if (rport->pid && (rport->prlo == BFA_FALSE))
1225                        bfa_fcs_rport_send_logo_acc(rport);
1226                /*
1227                 * If the lport is online and if the rport is not a well
1228                 * known address port,
1229                 * we try to re-discover the r-port.
1230                 */
1231                if (bfa_fcs_lport_is_online(rport->port) &&
1232                        (!BFA_FCS_PID_IS_WKA(rport->pid))) {
1233                        if (bfa_fcs_fabric_is_switched(rport->port->fabric)) {
1234                                bfa_sm_set_state(rport,
1235                                        bfa_fcs_rport_sm_nsdisc_sending);
1236                                rport->ns_retries = 0;
1237                                bfa_fcs_rport_send_nsdisc(rport, NULL);
1238                        } else {
1239                                /* For N2N  Direct Attach, try to re-login */
1240                                bfa_sm_set_state(rport,
1241                                        bfa_fcs_rport_sm_plogi_sending);
1242                                rport->plogi_retries = 0;
1243                                bfa_fcs_rport_send_plogi(rport, NULL);
1244                        }
1245                } else {
1246                        /*
1247                         * if it is not a well known address, reset the
1248                         * pid to 0.
1249                         */
1250                        if (!BFA_FCS_PID_IS_WKA(rport->pid))
1251                                rport->pid = 0;
1252                        bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
1253                        bfa_timer_start(rport->fcs->bfa, &rport->timer,
1254                                        bfa_fcs_rport_timeout, rport,
1255                                        bfa_fcs_rport_del_timeout);
1256                }
1257                break;
1258
1259        case RPSM_EVENT_DELETE:
1260                bfa_sm_set_state(rport, bfa_fcs_rport_sm_delete_pending);
1261                if (rport->pid && (rport->prlo == BFA_TRUE))
1262                        bfa_fcs_rport_send_prlo_acc(rport);
1263                if (rport->pid && (rport->prlo == BFA_FALSE))
1264                        bfa_fcs_rport_send_logo_acc(rport);
1265                break;
1266
1267        case RPSM_EVENT_LOGO_IMP:
1268                bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline);
1269                break;
1270
1271        case RPSM_EVENT_SCN_ONLINE:
1272        case RPSM_EVENT_SCN_OFFLINE:
1273        case RPSM_EVENT_LOGO_RCVD:
1274        case RPSM_EVENT_PRLO_RCVD:
1275                /*
1276                 * Ignore - already processing a LOGO.
1277                 */
1278                break;
1279
1280        default:
1281                bfa_sm_fault(rport->fcs, event);
1282        }
1283}
1284
1285/*
1286 *              Rport is being deleted. FC-4s are offline.
1287 *  Awaiting BFA rport offline
1288 *              callback to send LOGO.
1289 */
1290static void
1291bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport,
1292                 enum rport_event event)
1293{
1294        bfa_trc(rport->fcs, rport->pwwn);
1295        bfa_trc(rport->fcs, rport->pid);
1296        bfa_trc(rport->fcs, event);
1297
1298        switch (event) {
1299        case RPSM_EVENT_HCB_OFFLINE:
1300                bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending);
1301                bfa_fcs_rport_send_logo(rport, NULL);
1302                break;
1303
1304        case RPSM_EVENT_LOGO_RCVD:
1305                bfa_fcs_rport_send_logo_acc(rport);
1306        case RPSM_EVENT_PRLO_RCVD:
1307                if (rport->prlo == BFA_TRUE)
1308                        bfa_fcs_rport_send_prlo_acc(rport);
1309
1310                bfa_sm_set_state(rport, bfa_fcs_rport_sm_delete_pending);
1311                break;
1312
1313        case RPSM_EVENT_SCN_ONLINE:
1314        case RPSM_EVENT_SCN_OFFLINE:
1315        case RPSM_EVENT_ADDRESS_CHANGE:
1316                break;
1317
1318        default:
1319                bfa_sm_fault(rport->fcs, event);
1320        }
1321}
1322
1323/*
1324 *              Rport is being deleted. FC-4s are offline. LOGO is being sent.
1325 */
1326static void
1327bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport,
1328         enum rport_event event)
1329{
1330        bfa_trc(rport->fcs, rport->pwwn);
1331        bfa_trc(rport->fcs, rport->pid);
1332        bfa_trc(rport->fcs, event);
1333
1334        switch (event) {
1335        case RPSM_EVENT_FCXP_SENT:
1336                /* Once LOGO is sent, we donot wait for the response */
1337                bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1338                bfa_fcs_rport_free(rport);
1339                break;
1340
1341        case RPSM_EVENT_SCN_ONLINE:
1342        case RPSM_EVENT_SCN_OFFLINE:
1343        case RPSM_EVENT_FAB_SCN:
1344        case RPSM_EVENT_ADDRESS_CHANGE:
1345                break;
1346
1347        case RPSM_EVENT_LOGO_RCVD:
1348                bfa_fcs_rport_send_logo_acc(rport);
1349        case RPSM_EVENT_PRLO_RCVD:
1350                if (rport->prlo == BFA_TRUE)
1351                        bfa_fcs_rport_send_prlo_acc(rport);
1352
1353                bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1354                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
1355                bfa_fcs_rport_free(rport);
1356                break;
1357
1358        default:
1359                bfa_sm_fault(rport->fcs, event);
1360        }
1361}
1362
1363/*
1364 *              Rport is offline. FC-4s are offline. BFA rport is offline.
1365 *              Timer active to delete stale rport.
1366 */
1367static void
1368bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event)
1369{
1370        bfa_trc(rport->fcs, rport->pwwn);
1371        bfa_trc(rport->fcs, rport->pid);
1372        bfa_trc(rport->fcs, event);
1373
1374        switch (event) {
1375        case RPSM_EVENT_TIMEOUT:
1376                bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1377                bfa_fcs_rport_free(rport);
1378                break;
1379
1380        case RPSM_EVENT_FAB_SCN:
1381        case RPSM_EVENT_ADDRESS_CHANGE:
1382                bfa_timer_stop(&rport->timer);
1383                WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) !=
1384                                        BFA_PORT_TOPOLOGY_LOOP));
1385                bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
1386                rport->ns_retries = 0;
1387                bfa_fcs_rport_send_nsdisc(rport, NULL);
1388                break;
1389
1390        case RPSM_EVENT_DELETE:
1391                bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1392                bfa_timer_stop(&rport->timer);
1393                bfa_fcs_rport_free(rport);
1394                break;
1395
1396        case RPSM_EVENT_PLOGI_RCVD:
1397                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
1398                bfa_timer_stop(&rport->timer);
1399                bfa_fcs_rport_send_plogiacc(rport, NULL);
1400                break;
1401
1402        case RPSM_EVENT_LOGO_RCVD:
1403        case RPSM_EVENT_PRLO_RCVD:
1404        case RPSM_EVENT_LOGO_IMP:
1405        case RPSM_EVENT_SCN_OFFLINE:
1406                break;
1407
1408        case RPSM_EVENT_PLOGI_COMP:
1409                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
1410                bfa_timer_stop(&rport->timer);
1411                bfa_fcs_rport_fcs_online_action(rport);
1412                break;
1413
1414        case RPSM_EVENT_SCN_ONLINE:
1415                bfa_timer_stop(&rport->timer);
1416                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
1417                bfa_fcs_rport_send_plogi(rport, NULL);
1418                break;
1419
1420        case RPSM_EVENT_PLOGI_SEND:
1421                bfa_timer_stop(&rport->timer);
1422                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
1423                rport->plogi_retries = 0;
1424                bfa_fcs_rport_send_plogi(rport, NULL);
1425                break;
1426
1427        default:
1428                bfa_sm_fault(rport->fcs, event);
1429        }
1430}
1431
1432/*
1433 *      Rport address has changed. Nameserver discovery request is being sent.
1434 */
1435static void
1436bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport,
1437         enum rport_event event)
1438{
1439        bfa_trc(rport->fcs, rport->pwwn);
1440        bfa_trc(rport->fcs, rport->pid);
1441        bfa_trc(rport->fcs, event);
1442
1443        switch (event) {
1444        case RPSM_EVENT_FCXP_SENT:
1445                bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent);
1446                break;
1447
1448        case RPSM_EVENT_DELETE:
1449                bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1450                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
1451                bfa_fcs_rport_free(rport);
1452                break;
1453
1454        case RPSM_EVENT_PLOGI_RCVD:
1455                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
1456                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
1457                bfa_fcs_rport_send_plogiacc(rport, NULL);
1458                break;
1459
1460        case RPSM_EVENT_FAB_SCN:
1461        case RPSM_EVENT_LOGO_RCVD:
1462        case RPSM_EVENT_PRLO_RCVD:
1463        case RPSM_EVENT_PLOGI_SEND:
1464                break;
1465
1466        case RPSM_EVENT_ADDRESS_CHANGE:
1467                rport->ns_retries = 0; /* reset the retry count */
1468                break;
1469
1470        case RPSM_EVENT_LOGO_IMP:
1471                bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
1472                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
1473                bfa_timer_start(rport->fcs->bfa, &rport->timer,
1474                                bfa_fcs_rport_timeout, rport,
1475                                bfa_fcs_rport_del_timeout);
1476                break;
1477
1478        case RPSM_EVENT_PLOGI_COMP:
1479                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
1480                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
1481                bfa_fcs_rport_fcs_online_action(rport);
1482                break;
1483
1484        default:
1485                bfa_sm_fault(rport->fcs, event);
1486        }
1487}
1488
1489/*
1490 *              Nameserver discovery failed. Waiting for timeout to retry.
1491 */
1492static void
1493bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport,
1494         enum rport_event event)
1495{
1496        bfa_trc(rport->fcs, rport->pwwn);
1497        bfa_trc(rport->fcs, rport->pid);
1498        bfa_trc(rport->fcs, event);
1499
1500        switch (event) {
1501        case RPSM_EVENT_TIMEOUT:
1502                bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
1503                bfa_fcs_rport_send_nsdisc(rport, NULL);
1504                break;
1505
1506        case RPSM_EVENT_FAB_SCN:
1507        case RPSM_EVENT_ADDRESS_CHANGE:
1508                bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
1509                bfa_timer_stop(&rport->timer);
1510                rport->ns_retries = 0;
1511                bfa_fcs_rport_send_nsdisc(rport, NULL);
1512                break;
1513
1514        case RPSM_EVENT_DELETE:
1515                bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1516                bfa_timer_stop(&rport->timer);
1517                bfa_fcs_rport_free(rport);
1518                break;
1519
1520        case RPSM_EVENT_PLOGI_RCVD:
1521                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
1522                bfa_timer_stop(&rport->timer);
1523                bfa_fcs_rport_send_plogiacc(rport, NULL);
1524                break;
1525
1526        case RPSM_EVENT_LOGO_IMP:
1527                rport->pid = 0;
1528                bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
1529                bfa_timer_stop(&rport->timer);
1530                bfa_timer_start(rport->fcs->bfa, &rport->timer,
1531                                bfa_fcs_rport_timeout, rport,
1532                                bfa_fcs_rport_del_timeout);
1533                break;
1534
1535        case RPSM_EVENT_LOGO_RCVD:
1536                bfa_fcs_rport_send_logo_acc(rport);
1537                break;
1538        case RPSM_EVENT_PRLO_RCVD:
1539                bfa_fcs_rport_send_prlo_acc(rport);
1540                break;
1541
1542        case RPSM_EVENT_PLOGI_COMP:
1543                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
1544                bfa_timer_stop(&rport->timer);
1545                bfa_fcs_rport_fcs_online_action(rport);
1546                break;
1547
1548        default:
1549                bfa_sm_fault(rport->fcs, event);
1550        }
1551}
1552
1553/*
1554 *              Rport address has changed. Nameserver discovery request is sent.
1555 */
1556static void
1557bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport,
1558                        enum rport_event event)
1559{
1560        bfa_trc(rport->fcs, rport->pwwn);
1561        bfa_trc(rport->fcs, rport->pid);
1562        bfa_trc(rport->fcs, event);
1563
1564        switch (event) {
1565        case RPSM_EVENT_ACCEPTED:
1566        case RPSM_EVENT_ADDRESS_CHANGE:
1567                if (rport->pid) {
1568                        bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
1569                        bfa_fcs_rport_send_plogi(rport, NULL);
1570                } else {
1571                        bfa_sm_set_state(rport,
1572                                 bfa_fcs_rport_sm_nsdisc_sending);
1573                        rport->ns_retries = 0;
1574                        bfa_fcs_rport_send_nsdisc(rport, NULL);
1575                }
1576                break;
1577
1578        case RPSM_EVENT_FAILED:
1579                rport->ns_retries++;
1580                if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) {
1581                        bfa_sm_set_state(rport,
1582                                 bfa_fcs_rport_sm_nsdisc_sending);
1583                        bfa_fcs_rport_send_nsdisc(rport, NULL);
1584                } else {
1585                        rport->old_pid = rport->pid;
1586                        rport->pid = 0;
1587                        bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
1588                        bfa_timer_start(rport->fcs->bfa, &rport->timer,
1589                                        bfa_fcs_rport_timeout, rport,
1590                                        bfa_fcs_rport_del_timeout);
1591                };
1592                break;
1593
1594        case RPSM_EVENT_DELETE:
1595                bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1596                bfa_fcxp_discard(rport->fcxp);
1597                bfa_fcs_rport_free(rport);
1598                break;
1599
1600        case RPSM_EVENT_PLOGI_RCVD:
1601                bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
1602                bfa_fcxp_discard(rport->fcxp);
1603                bfa_fcs_rport_send_plogiacc(rport, NULL);
1604                break;
1605
1606        case RPSM_EVENT_LOGO_IMP:
1607                rport->pid = 0;
1608                bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
1609                bfa_fcxp_discard(rport->fcxp);
1610                bfa_timer_start(rport->fcs->bfa, &rport->timer,
1611                                bfa_fcs_rport_timeout, rport,
1612                                bfa_fcs_rport_del_timeout);
1613                break;
1614
1615
1616        case RPSM_EVENT_PRLO_RCVD:
1617                bfa_fcs_rport_send_prlo_acc(rport);
1618                break;
1619        case RPSM_EVENT_FAB_SCN:
1620                /*
1621                 * ignore, wait for NS query response
1622                 */
1623                break;
1624
1625        case RPSM_EVENT_LOGO_RCVD:
1626                /*
1627                 * Not logged-in yet. Accept LOGO.
1628                 */
1629                bfa_fcs_rport_send_logo_acc(rport);
1630                break;
1631
1632        case RPSM_EVENT_PLOGI_COMP:
1633                bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
1634                bfa_fcxp_discard(rport->fcxp);
1635                bfa_fcs_rport_fcs_online_action(rport);
1636                break;
1637
1638        default:
1639                bfa_sm_fault(rport->fcs, event);
1640        }
1641}
1642
1643/*
1644 * Rport needs to be deleted
1645 * waiting for ITNIM clean up to finish
1646 */
1647static void
1648bfa_fcs_rport_sm_fc4_off_delete(struct bfa_fcs_rport_s *rport,
1649                                enum rport_event event)
1650{
1651        bfa_trc(rport->fcs, rport->pwwn);
1652        bfa_trc(rport->fcs, rport->pid);
1653        bfa_trc(rport->fcs, event);
1654
1655        switch (event) {
1656        case RPSM_EVENT_FC4_OFFLINE:
1657                bfa_sm_set_state(rport, bfa_fcs_rport_sm_delete_pending);
1658                bfa_fcs_rport_hal_offline(rport);
1659                break;
1660
1661        case RPSM_EVENT_DELETE:
1662        case RPSM_EVENT_PLOGI_RCVD:
1663                /* Ignore these events */
1664                break;
1665
1666        default:
1667                bfa_sm_fault(rport->fcs, event);
1668                break;
1669        }
1670}
1671
1672/*
1673 * RPort needs to be deleted
1674 * waiting for BFA/FW to finish current processing
1675 */
1676static void
1677bfa_fcs_rport_sm_delete_pending(struct bfa_fcs_rport_s *rport,
1678                                enum rport_event event)
1679{
1680        bfa_trc(rport->fcs, rport->pwwn);
1681        bfa_trc(rport->fcs, rport->pid);
1682        bfa_trc(rport->fcs, event);
1683
1684        switch (event) {
1685        case RPSM_EVENT_HCB_OFFLINE:
1686                bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
1687                bfa_fcs_rport_free(rport);
1688                break;
1689
1690        case RPSM_EVENT_DELETE:
1691        case RPSM_EVENT_LOGO_IMP:
1692        case RPSM_EVENT_PLOGI_RCVD:
1693                /* Ignore these events */
1694                break;
1695
1696        default:
1697                bfa_sm_fault(rport->fcs, event);
1698        }
1699}
1700
1701/*
1702 *  fcs_rport_private FCS RPORT provate functions
1703 */
1704
1705static void
1706bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1707{
1708        struct bfa_fcs_rport_s *rport = rport_cbarg;
1709        struct bfa_fcs_lport_s *port = rport->port;
1710        struct fchs_s   fchs;
1711        int             len;
1712        struct bfa_fcxp_s *fcxp;
1713
1714        bfa_trc(rport->fcs, rport->pwwn);
1715
1716        fcxp = fcxp_alloced ? fcxp_alloced :
1717               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
1718        if (!fcxp) {
1719                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
1720                                bfa_fcs_rport_send_plogi, rport, BFA_TRUE);
1721                return;
1722        }
1723        rport->fcxp = fcxp;
1724
1725        len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
1726                                bfa_fcs_lport_get_fcid(port), 0,
1727                                port->port_cfg.pwwn, port->port_cfg.nwwn,
1728                                bfa_fcport_get_maxfrsize(port->fcs->bfa),
1729                                bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
1730
1731        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1732                        FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response,
1733                        (void *)rport, FC_MAX_PDUSZ, FC_ELS_TOV);
1734
1735        rport->stats.plogis++;
1736        bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
1737}
1738
1739static void
1740bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
1741                                bfa_status_t req_status, u32 rsp_len,
1742                                u32 resid_len, struct fchs_s *rsp_fchs)
1743{
1744        struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
1745        struct fc_logi_s        *plogi_rsp;
1746        struct fc_ls_rjt_s      *ls_rjt;
1747        struct bfa_fcs_rport_s *twin;
1748        struct list_head        *qe;
1749
1750        bfa_trc(rport->fcs, rport->pwwn);
1751
1752        /*
1753         * Sanity Checks
1754         */
1755        if (req_status != BFA_STATUS_OK) {
1756                bfa_trc(rport->fcs, req_status);
1757                rport->stats.plogi_failed++;
1758                bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
1759                return;
1760        }
1761
1762        plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp);
1763
1764        /*
1765         * Check for failure first.
1766         */
1767        if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) {
1768                ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
1769
1770                bfa_trc(rport->fcs, ls_rjt->reason_code);
1771                bfa_trc(rport->fcs, ls_rjt->reason_code_expl);
1772
1773                if ((ls_rjt->reason_code == FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD) &&
1774                 (ls_rjt->reason_code_expl == FC_LS_RJT_EXP_INSUFF_RES)) {
1775                        rport->stats.rjt_insuff_res++;
1776                        bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RETRY);
1777                        return;
1778                }
1779
1780                rport->stats.plogi_rejects++;
1781                bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
1782                return;
1783        }
1784
1785        /*
1786         * PLOGI is complete. Make sure this device is not one of the known
1787         * device with a new FC port address.
1788         */
1789        list_for_each(qe, &rport->port->rport_q) {
1790                twin = (struct bfa_fcs_rport_s *) qe;
1791                if (twin == rport)
1792                        continue;
1793                if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) {
1794                        bfa_trc(rport->fcs, twin->pid);
1795                        bfa_trc(rport->fcs, rport->pid);
1796
1797                        /* Update plogi stats in twin */
1798                        twin->stats.plogis  += rport->stats.plogis;
1799                        twin->stats.plogi_rejects  +=
1800                                 rport->stats.plogi_rejects;
1801                        twin->stats.plogi_timeouts  +=
1802                                 rport->stats.plogi_timeouts;
1803                        twin->stats.plogi_failed +=
1804                                 rport->stats.plogi_failed;
1805                        twin->stats.plogi_rcvd    += rport->stats.plogi_rcvd;
1806                        twin->stats.plogi_accs++;
1807
1808                        bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
1809
1810                        bfa_fcs_rport_update(twin, plogi_rsp);
1811                        twin->pid = rsp_fchs->s_id;
1812                        bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP);
1813                        return;
1814                }
1815        }
1816
1817        /*
1818         * Normal login path -- no evil twins.
1819         */
1820        rport->stats.plogi_accs++;
1821        bfa_fcs_rport_update(rport, plogi_rsp);
1822        bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED);
1823}
1824
1825static void
1826bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1827{
1828        struct bfa_fcs_rport_s *rport = rport_cbarg;
1829        struct bfa_fcs_lport_s *port = rport->port;
1830        struct fchs_s           fchs;
1831        int             len;
1832        struct bfa_fcxp_s *fcxp;
1833
1834        bfa_trc(rport->fcs, rport->pwwn);
1835        bfa_trc(rport->fcs, rport->reply_oxid);
1836
1837        fcxp = fcxp_alloced ? fcxp_alloced :
1838               bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
1839        if (!fcxp) {
1840                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
1841                                bfa_fcs_rport_send_plogiacc, rport, BFA_FALSE);
1842                return;
1843        }
1844        rport->fcxp = fcxp;
1845
1846        len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
1847                                 rport->pid, bfa_fcs_lport_get_fcid(port),
1848                                 rport->reply_oxid, port->port_cfg.pwwn,
1849                                 port->port_cfg.nwwn,
1850                                 bfa_fcport_get_maxfrsize(port->fcs->bfa),
1851                                 bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
1852
1853        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1854                        FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
1855
1856        bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
1857}
1858
1859static void
1860bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1861{
1862        struct bfa_fcs_rport_s *rport = rport_cbarg;
1863        struct bfa_fcs_lport_s *port = rport->port;
1864        struct fchs_s           fchs;
1865        int             len;
1866        struct bfa_fcxp_s *fcxp;
1867
1868        bfa_trc(rport->fcs, rport->pwwn);
1869
1870        fcxp = fcxp_alloced ? fcxp_alloced :
1871               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
1872        if (!fcxp) {
1873                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
1874                                bfa_fcs_rport_send_adisc, rport, BFA_TRUE);
1875                return;
1876        }
1877        rport->fcxp = fcxp;
1878
1879        len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
1880                                bfa_fcs_lport_get_fcid(port), 0,
1881                                port->port_cfg.pwwn, port->port_cfg.nwwn);
1882
1883        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1884                        FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response,
1885                        rport, FC_MAX_PDUSZ, FC_ELS_TOV);
1886
1887        rport->stats.adisc_sent++;
1888        bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
1889}
1890
1891static void
1892bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
1893                                bfa_status_t req_status, u32 rsp_len,
1894                                u32 resid_len, struct fchs_s *rsp_fchs)
1895{
1896        struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
1897        void            *pld = bfa_fcxp_get_rspbuf(fcxp);
1898        struct fc_ls_rjt_s      *ls_rjt;
1899
1900        if (req_status != BFA_STATUS_OK) {
1901                bfa_trc(rport->fcs, req_status);
1902                rport->stats.adisc_failed++;
1903                bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
1904                return;
1905        }
1906
1907        if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn,
1908                                rport->nwwn)  == FC_PARSE_OK) {
1909                rport->stats.adisc_accs++;
1910                bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED);
1911                return;
1912        }
1913
1914        rport->stats.adisc_rejects++;
1915        ls_rjt = pld;
1916        bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code);
1917        bfa_trc(rport->fcs, ls_rjt->reason_code);
1918        bfa_trc(rport->fcs, ls_rjt->reason_code_expl);
1919        bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
1920}
1921
1922static void
1923bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1924{
1925        struct bfa_fcs_rport_s *rport = rport_cbarg;
1926        struct bfa_fcs_lport_s *port = rport->port;
1927        struct fchs_s   fchs;
1928        struct bfa_fcxp_s *fcxp;
1929        int             len;
1930        bfa_cb_fcxp_send_t cbfn;
1931
1932        bfa_trc(rport->fcs, rport->pid);
1933
1934        fcxp = fcxp_alloced ? fcxp_alloced :
1935               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
1936        if (!fcxp) {
1937                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
1938                                bfa_fcs_rport_send_nsdisc, rport, BFA_TRUE);
1939                return;
1940        }
1941        rport->fcxp = fcxp;
1942
1943        if (rport->pwwn) {
1944                len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
1945                                bfa_fcs_lport_get_fcid(port), 0, rport->pwwn);
1946                cbfn = bfa_fcs_rport_gidpn_response;
1947        } else {
1948                len = fc_gpnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
1949                                bfa_fcs_lport_get_fcid(port), 0, rport->pid);
1950                cbfn = bfa_fcs_rport_gpnid_response;
1951        }
1952
1953        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1954                        FC_CLASS_3, len, &fchs, cbfn,
1955                        (void *)rport, FC_MAX_PDUSZ, FC_FCCT_TOV);
1956
1957        bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
1958}
1959
1960static void
1961bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
1962                                bfa_status_t req_status, u32 rsp_len,
1963                                u32 resid_len, struct fchs_s *rsp_fchs)
1964{
1965        struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
1966        struct ct_hdr_s *cthdr;
1967        struct fcgs_gidpn_resp_s        *gidpn_rsp;
1968        struct bfa_fcs_rport_s  *twin;
1969        struct list_head        *qe;
1970
1971        bfa_trc(rport->fcs, rport->pwwn);
1972
1973        cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
1974        cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
1975
1976        if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
1977                /* Check if the pid is the same as before. */
1978                gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1);
1979
1980                if (gidpn_rsp->dap == rport->pid) {
1981                        /* Device is online  */
1982                        bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED);
1983                } else {
1984                        /*
1985                         * Device's PID has changed. We need to cleanup
1986                         * and re-login. If there is another device with
1987                         * the the newly discovered pid, send an scn notice
1988                         * so that its new pid can be discovered.
1989                         */
1990                        list_for_each(qe, &rport->port->rport_q) {
1991                                twin = (struct bfa_fcs_rport_s *) qe;
1992                                if (twin == rport)
1993                                        continue;
1994                                if (gidpn_rsp->dap == twin->pid) {
1995                                        bfa_trc(rport->fcs, twin->pid);
1996                                        bfa_trc(rport->fcs, rport->pid);
1997
1998                                        twin->pid = 0;
1999                                        bfa_sm_send_event(twin,
2000                                         RPSM_EVENT_ADDRESS_CHANGE);
2001                                }
2002                        }
2003                        rport->pid = gidpn_rsp->dap;
2004                        bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE);
2005                }
2006                return;
2007        }
2008
2009        /*
2010         * Reject Response
2011         */
2012        switch (cthdr->reason_code) {
2013        case CT_RSN_LOGICAL_BUSY:
2014                /*
2015                 * Need to retry
2016                 */
2017                bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT);
2018                break;
2019
2020        case CT_RSN_UNABLE_TO_PERF:
2021                /*
2022                 * device doesn't exist : Start timer to cleanup this later.
2023                 */
2024                bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
2025                break;
2026
2027        default:
2028                bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
2029                break;
2030        }
2031}
2032
2033static void
2034bfa_fcs_rport_gpnid_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
2035                                bfa_status_t req_status, u32 rsp_len,
2036                                u32 resid_len, struct fchs_s *rsp_fchs)
2037{
2038        struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
2039        struct ct_hdr_s *cthdr;
2040
2041        bfa_trc(rport->fcs, rport->pwwn);
2042
2043        cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2044        cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2045
2046        if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2047                bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED);
2048                return;
2049        }
2050
2051        /*
2052         * Reject Response
2053         */
2054        switch (cthdr->reason_code) {
2055        case CT_RSN_LOGICAL_BUSY:
2056                /*
2057                 * Need to retry
2058                 */
2059                bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT);
2060                break;
2061
2062        case CT_RSN_UNABLE_TO_PERF:
2063                /*
2064                 * device doesn't exist : Start timer to cleanup this later.
2065                 */
2066                bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
2067                break;
2068
2069        default:
2070                bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
2071                break;
2072        }
2073}
2074
2075/*
2076 *      Called to send a logout to the rport.
2077 */
2078static void
2079bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2080{
2081        struct bfa_fcs_rport_s *rport = rport_cbarg;
2082        struct bfa_fcs_lport_s *port;
2083        struct fchs_s   fchs;
2084        struct bfa_fcxp_s *fcxp;
2085        u16     len;
2086
2087        bfa_trc(rport->fcs, rport->pid);
2088
2089        port = rport->port;
2090
2091        fcxp = fcxp_alloced ? fcxp_alloced :
2092               bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
2093        if (!fcxp) {
2094                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
2095                                bfa_fcs_rport_send_logo, rport, BFA_FALSE);
2096                return;
2097        }
2098        rport->fcxp = fcxp;
2099
2100        len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
2101                                bfa_fcs_lport_get_fcid(port), 0,
2102                                bfa_fcs_lport_get_pwwn(port));
2103
2104        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2105                        FC_CLASS_3, len, &fchs, NULL,
2106                        rport, FC_MAX_PDUSZ, FC_ELS_TOV);
2107
2108        rport->stats.logos++;
2109        bfa_fcxp_discard(rport->fcxp);
2110        bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
2111}
2112
2113/*
2114 *      Send ACC for a LOGO received.
2115 */
2116static void
2117bfa_fcs_rport_send_logo_acc(void *rport_cbarg)
2118{
2119        struct bfa_fcs_rport_s *rport = rport_cbarg;
2120        struct bfa_fcs_lport_s *port;
2121        struct fchs_s   fchs;
2122        struct bfa_fcxp_s *fcxp;
2123        u16     len;
2124
2125        bfa_trc(rport->fcs, rport->pid);
2126
2127        port = rport->port;
2128
2129        fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
2130        if (!fcxp)
2131                return;
2132
2133        rport->stats.logo_rcvd++;
2134        len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2135                                rport->pid, bfa_fcs_lport_get_fcid(port),
2136                                rport->reply_oxid);
2137
2138        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2139                        FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
2140}
2141
2142/*
2143 *      brief
2144 *      This routine will be called by bfa_timer on timer timeouts.
2145 *
2146 *      param[in]       rport                   - pointer to bfa_fcs_lport_ns_t.
2147 *      param[out]      rport_status    - pointer to return vport status in
2148 *
2149 *      return
2150 *              void
2151 *
2152 *      Special Considerations:
2153 *
2154 *      note
2155 */
2156static void
2157bfa_fcs_rport_timeout(void *arg)
2158{
2159        struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) arg;
2160
2161        rport->stats.plogi_timeouts++;
2162        bfa_stats(rport->port, rport_plogi_timeouts);
2163        bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT);
2164}
2165
2166static void
2167bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport,
2168                        struct fchs_s *rx_fchs, u16 len)
2169{
2170        struct bfa_fcxp_s *fcxp;
2171        struct fchs_s   fchs;
2172        struct bfa_fcs_lport_s *port = rport->port;
2173        struct fc_prli_s        *prli;
2174
2175        bfa_trc(port->fcs, rx_fchs->s_id);
2176        bfa_trc(port->fcs, rx_fchs->d_id);
2177
2178        rport->stats.prli_rcvd++;
2179
2180        /*
2181         * We are in Initiator Mode
2182         */
2183        prli = (struct fc_prli_s *) (rx_fchs + 1);
2184
2185        if (prli->parampage.servparams.target) {
2186                /*
2187                 * PRLI from a target ?
2188                 * Send the Acc.
2189                 * PRLI sent by us will be used to transition the IT nexus,
2190                 * once the response is received from the target.
2191                 */
2192                bfa_trc(port->fcs, rx_fchs->s_id);
2193                rport->scsi_function = BFA_RPORT_TARGET;
2194        } else {
2195                bfa_trc(rport->fcs, prli->parampage.type);
2196                rport->scsi_function = BFA_RPORT_INITIATOR;
2197                bfa_fcs_itnim_is_initiator(rport->itnim);
2198        }
2199
2200        fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
2201        if (!fcxp)
2202                return;
2203
2204        len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2205                                rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
2206                                rx_fchs->ox_id, port->port_cfg.roles);
2207
2208        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2209                        FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
2210}
2211
2212static void
2213bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport,
2214                        struct fchs_s *rx_fchs, u16 len)
2215{
2216        struct bfa_fcxp_s *fcxp;
2217        struct fchs_s   fchs;
2218        struct bfa_fcs_lport_s *port = rport->port;
2219        struct fc_rpsc_speed_info_s speeds;
2220        struct bfa_port_attr_s pport_attr;
2221
2222        bfa_trc(port->fcs, rx_fchs->s_id);
2223        bfa_trc(port->fcs, rx_fchs->d_id);
2224
2225        rport->stats.rpsc_rcvd++;
2226        speeds.port_speed_cap =
2227                RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G |
2228                RPSC_SPEED_CAP_8G;
2229
2230        /*
2231         * get curent speed from pport attributes from BFA
2232         */
2233        bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
2234
2235        speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed);
2236
2237        fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
2238        if (!fcxp)
2239                return;
2240
2241        len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2242                                rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
2243                                rx_fchs->ox_id, &speeds);
2244
2245        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2246                        FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
2247}
2248
2249static void
2250bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport,
2251                        struct fchs_s *rx_fchs, u16 len)
2252{
2253        struct bfa_fcxp_s *fcxp;
2254        struct fchs_s   fchs;
2255        struct bfa_fcs_lport_s *port = rport->port;
2256        struct fc_adisc_s       *adisc;
2257
2258        bfa_trc(port->fcs, rx_fchs->s_id);
2259        bfa_trc(port->fcs, rx_fchs->d_id);
2260
2261        rport->stats.adisc_rcvd++;
2262
2263        adisc = (struct fc_adisc_s *) (rx_fchs + 1);
2264
2265        /*
2266         * Accept if the itnim for this rport is online.
2267         * Else reject the ADISC.
2268         */
2269        if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) {
2270
2271                fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
2272                if (!fcxp)
2273                        return;
2274
2275                len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2276                         rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
2277                         rx_fchs->ox_id, port->port_cfg.pwwn,
2278                         port->port_cfg.nwwn);
2279
2280                bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
2281                                BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
2282                                FC_MAX_PDUSZ, 0);
2283        } else {
2284                rport->stats.adisc_rejected++;
2285                bfa_fcs_rport_send_ls_rjt(rport, rx_fchs,
2286                                          FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD,
2287                                          FC_LS_RJT_EXP_LOGIN_REQUIRED);
2288        }
2289}
2290
2291static void
2292bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport)
2293{
2294        struct bfa_fcs_lport_s *port = rport->port;
2295        struct bfa_rport_info_s rport_info;
2296
2297        rport_info.pid = rport->pid;
2298        rport_info.local_pid = port->pid;
2299        rport_info.lp_tag = port->lp_tag;
2300        rport_info.vf_id = port->fabric->vf_id;
2301        rport_info.vf_en = port->fabric->is_vf;
2302        rport_info.fc_class = rport->fc_cos;
2303        rport_info.cisc = rport->cisc;
2304        rport_info.max_frmsz = rport->maxfrsize;
2305        bfa_rport_online(rport->bfa_rport, &rport_info);
2306}
2307
2308static void
2309bfa_fcs_rport_hal_offline(struct bfa_fcs_rport_s *rport)
2310{
2311        if (rport->bfa_rport)
2312                bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE);
2313        else
2314                bfa_cb_rport_offline(rport);
2315}
2316
2317static struct bfa_fcs_rport_s *
2318bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid)
2319{
2320        struct bfa_fcs_s        *fcs = port->fcs;
2321        struct bfa_fcs_rport_s *rport;
2322        struct bfad_rport_s     *rport_drv;
2323
2324        /*
2325         * allocate rport
2326         */
2327        if (fcs->num_rport_logins >= bfa_fcs_rport_max_logins) {
2328                bfa_trc(fcs, rpid);
2329                return NULL;
2330        }
2331
2332        if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv)
2333                != BFA_STATUS_OK) {
2334                bfa_trc(fcs, rpid);
2335                return NULL;
2336        }
2337
2338        /*
2339         * Initialize r-port
2340         */
2341        rport->port = port;
2342        rport->fcs = fcs;
2343        rport->rp_drv = rport_drv;
2344        rport->pid = rpid;
2345        rport->pwwn = pwwn;
2346        rport->old_pid = 0;
2347
2348        rport->bfa_rport = NULL;
2349
2350        /*
2351         * allocate FC-4s
2352         */
2353        WARN_ON(!bfa_fcs_lport_is_initiator(port));
2354
2355        if (bfa_fcs_lport_is_initiator(port)) {
2356                rport->itnim = bfa_fcs_itnim_create(rport);
2357                if (!rport->itnim) {
2358                        bfa_trc(fcs, rpid);
2359                        kfree(rport_drv);
2360                        return NULL;
2361                }
2362        }
2363
2364        bfa_fcs_lport_add_rport(port, rport);
2365        fcs->num_rport_logins++;
2366
2367        bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
2368
2369        /* Initialize the Rport Features(RPF) Sub Module  */
2370        if (!BFA_FCS_PID_IS_WKA(rport->pid))
2371                bfa_fcs_rpf_init(rport);
2372
2373        return rport;
2374}
2375
2376
2377static void
2378bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport)
2379{
2380        struct bfa_fcs_lport_s *port = rport->port;
2381        struct bfa_fcs_s *fcs = port->fcs;
2382
2383        /*
2384         * - delete FC-4s
2385         * - delete BFA rport
2386         * - remove from queue of rports
2387         */
2388        rport->plogi_pending = BFA_FALSE;
2389
2390        if (bfa_fcs_lport_is_initiator(port)) {
2391                bfa_fcs_itnim_delete(rport->itnim);
2392                if (rport->pid != 0 && !BFA_FCS_PID_IS_WKA(rport->pid))
2393                        bfa_fcs_rpf_rport_offline(rport);
2394        }
2395
2396        if (rport->bfa_rport) {
2397                bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_DELETE);
2398                rport->bfa_rport = NULL;
2399        }
2400
2401        bfa_fcs_lport_del_rport(port, rport);
2402        fcs->num_rport_logins--;
2403        kfree(rport->rp_drv);
2404}
2405
2406static void
2407bfa_fcs_rport_aen_post(struct bfa_fcs_rport_s *rport,
2408                        enum bfa_rport_aen_event event,
2409                        struct bfa_rport_aen_data_s *data)
2410{
2411        struct bfa_fcs_lport_s *port = rport->port;
2412        struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
2413        struct bfa_aen_entry_s  *aen_entry;
2414
2415        bfad_get_aen_entry(bfad, aen_entry);
2416        if (!aen_entry)
2417                return;
2418
2419        if (event == BFA_RPORT_AEN_QOS_PRIO)
2420                aen_entry->aen_data.rport.priv.qos = data->priv.qos;
2421        else if (event == BFA_RPORT_AEN_QOS_FLOWID)
2422                aen_entry->aen_data.rport.priv.qos = data->priv.qos;
2423
2424        aen_entry->aen_data.rport.vf_id = rport->port->fabric->vf_id;
2425        aen_entry->aen_data.rport.ppwwn = bfa_fcs_lport_get_pwwn(
2426                                        bfa_fcs_get_base_port(rport->fcs));
2427        aen_entry->aen_data.rport.lpwwn = bfa_fcs_lport_get_pwwn(rport->port);
2428        aen_entry->aen_data.rport.rpwwn = rport->pwwn;
2429
2430        /* Send the AEN notification */
2431        bfad_im_post_vendor_event(aen_entry, bfad, ++rport->fcs->fcs_aen_seq,
2432                                  BFA_AEN_CAT_RPORT, event);
2433}
2434
2435static void
2436bfa_fcs_rport_fcs_online_action(struct bfa_fcs_rport_s *rport)
2437{
2438        if ((!rport->pid) || (!rport->pwwn)) {
2439                bfa_trc(rport->fcs, rport->pid);
2440                bfa_sm_fault(rport->fcs, rport->pid);
2441        }
2442
2443        bfa_sm_send_event(rport->itnim, BFA_FCS_ITNIM_SM_FCS_ONLINE);
2444}
2445
2446static void
2447bfa_fcs_rport_hal_online_action(struct bfa_fcs_rport_s *rport)
2448{
2449        struct bfa_fcs_lport_s *port = rport->port;
2450        struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
2451        char    lpwwn_buf[BFA_STRING_32];
2452        char    rpwwn_buf[BFA_STRING_32];
2453
2454        rport->stats.onlines++;
2455
2456        if ((!rport->pid) || (!rport->pwwn)) {
2457                bfa_trc(rport->fcs, rport->pid);
2458                bfa_sm_fault(rport->fcs, rport->pid);
2459        }
2460
2461        if (bfa_fcs_lport_is_initiator(port)) {
2462                bfa_fcs_itnim_brp_online(rport->itnim);
2463                if (!BFA_FCS_PID_IS_WKA(rport->pid))
2464                        bfa_fcs_rpf_rport_online(rport);
2465        };
2466
2467        wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
2468        wwn2str(rpwwn_buf, rport->pwwn);
2469        if (!BFA_FCS_PID_IS_WKA(rport->pid)) {
2470                BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2471                "Remote port (WWN = %s) online for logical port (WWN = %s)\n",
2472                rpwwn_buf, lpwwn_buf);
2473                bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_ONLINE, NULL);
2474        }
2475}
2476
2477static void
2478bfa_fcs_rport_fcs_offline_action(struct bfa_fcs_rport_s *rport)
2479{
2480        if (!BFA_FCS_PID_IS_WKA(rport->pid))
2481                bfa_fcs_rpf_rport_offline(rport);
2482
2483        bfa_fcs_itnim_rport_offline(rport->itnim);
2484}
2485
2486static void
2487bfa_fcs_rport_hal_offline_action(struct bfa_fcs_rport_s *rport)
2488{
2489        struct bfa_fcs_lport_s *port = rport->port;
2490        struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
2491        char    lpwwn_buf[BFA_STRING_32];
2492        char    rpwwn_buf[BFA_STRING_32];
2493
2494        if (!rport->bfa_rport) {
2495                bfa_fcs_rport_fcs_offline_action(rport);
2496                return;
2497        }
2498
2499        rport->stats.offlines++;
2500
2501        wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
2502        wwn2str(rpwwn_buf, rport->pwwn);
2503        if (!BFA_FCS_PID_IS_WKA(rport->pid)) {
2504                if (bfa_fcs_lport_is_online(rport->port) == BFA_TRUE) {
2505                        BFA_LOG(KERN_ERR, bfad, bfa_log_level,
2506                                "Remote port (WWN = %s) connectivity lost for "
2507                                "logical port (WWN = %s)\n",
2508                                rpwwn_buf, lpwwn_buf);
2509                        bfa_fcs_rport_aen_post(rport,
2510                                BFA_RPORT_AEN_DISCONNECT, NULL);
2511                } else {
2512                        BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2513                                "Remote port (WWN = %s) offlined by "
2514                                "logical port (WWN = %s)\n",
2515                                rpwwn_buf, lpwwn_buf);
2516                        bfa_fcs_rport_aen_post(rport,
2517                                BFA_RPORT_AEN_OFFLINE, NULL);
2518                }
2519        }
2520
2521        if (bfa_fcs_lport_is_initiator(port)) {
2522                bfa_fcs_itnim_rport_offline(rport->itnim);
2523                if (!BFA_FCS_PID_IS_WKA(rport->pid))
2524                        bfa_fcs_rpf_rport_offline(rport);
2525        }
2526}
2527
2528/*
2529 * Update rport parameters from PLOGI or PLOGI accept.
2530 */
2531static void
2532bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi)
2533{
2534        bfa_fcs_lport_t *port = rport->port;
2535
2536        /*
2537         * - port name
2538         * - node name
2539         */
2540        rport->pwwn = plogi->port_name;
2541        rport->nwwn = plogi->node_name;
2542
2543        /*
2544         * - class of service
2545         */
2546        rport->fc_cos = 0;
2547        if (plogi->class3.class_valid)
2548                rport->fc_cos = FC_CLASS_3;
2549
2550        if (plogi->class2.class_valid)
2551                rport->fc_cos |= FC_CLASS_2;
2552
2553        /*
2554         * - CISC
2555         * - MAX receive frame size
2556         */
2557        rport->cisc = plogi->csp.cisc;
2558        if (be16_to_cpu(plogi->class3.rxsz) < be16_to_cpu(plogi->csp.rxsz))
2559                rport->maxfrsize = be16_to_cpu(plogi->class3.rxsz);
2560        else
2561                rport->maxfrsize = be16_to_cpu(plogi->csp.rxsz);
2562
2563        bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred));
2564        bfa_trc(port->fcs, port->fabric->bb_credit);
2565        /*
2566         * Direct Attach P2P mode :
2567         * This is to handle a bug (233476) in IBM targets in Direct Attach
2568         *  Mode. Basically, in FLOGI Accept the target would have
2569         * erroneously set the BB Credit to the value used in the FLOGI
2570         * sent by the HBA. It uses the correct value (its own BB credit)
2571         * in PLOGI.
2572         */
2573        if ((!bfa_fcs_fabric_is_switched(port->fabric))  &&
2574                (be16_to_cpu(plogi->csp.bbcred) < port->fabric->bb_credit)) {
2575
2576                bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred));
2577                bfa_trc(port->fcs, port->fabric->bb_credit);
2578
2579                port->fabric->bb_credit = be16_to_cpu(plogi->csp.bbcred);
2580                bfa_fcport_set_tx_bbcredit(port->fcs->bfa,
2581                                          port->fabric->bb_credit);
2582        }
2583
2584}
2585
2586/*
2587 *      Called to handle LOGO received from an existing remote port.
2588 */
2589static void
2590bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs)
2591{
2592        rport->reply_oxid = fchs->ox_id;
2593        bfa_trc(rport->fcs, rport->reply_oxid);
2594
2595        rport->prlo = BFA_FALSE;
2596        rport->stats.logo_rcvd++;
2597        bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD);
2598}
2599
2600
2601
2602/*
2603 *  fcs_rport_public FCS rport public interfaces
2604 */
2605
2606/*
2607 *      Called by bport/vport to create a remote port instance for a discovered
2608 *      remote device.
2609 *
2610 * @param[in] port      - base port or vport
2611 * @param[in] rpid      - remote port ID
2612 *
2613 * @return None
2614 */
2615struct bfa_fcs_rport_s *
2616bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, u32 rpid)
2617{
2618        struct bfa_fcs_rport_s *rport;
2619
2620        bfa_trc(port->fcs, rpid);
2621        rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid);
2622        if (!rport)
2623                return NULL;
2624
2625        bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
2626        return rport;
2627}
2628
2629/*
2630 * Called to create a rport for which only the wwn is known.
2631 *
2632 * @param[in] port      - base port
2633 * @param[in] rpwwn     - remote port wwn
2634 *
2635 * @return None
2636 */
2637struct bfa_fcs_rport_s *
2638bfa_fcs_rport_create_by_wwn(struct bfa_fcs_lport_s *port, wwn_t rpwwn)
2639{
2640        struct bfa_fcs_rport_s *rport;
2641        bfa_trc(port->fcs, rpwwn);
2642        rport = bfa_fcs_rport_alloc(port, rpwwn, 0);
2643        if (!rport)
2644                return NULL;
2645
2646        bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC);
2647        return rport;
2648}
2649/*
2650 * Called by bport in private loop topology to indicate that a
2651 * rport has been discovered and plogi has been completed.
2652 *
2653 * @param[in] port      - base port or vport
2654 * @param[in] rpid      - remote port ID
2655 */
2656void
2657bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *fchs,
2658         struct fc_logi_s *plogi)
2659{
2660        struct bfa_fcs_rport_s *rport;
2661
2662        rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id);
2663        if (!rport)
2664                return;
2665
2666        bfa_fcs_rport_update(rport, plogi);
2667
2668        bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP);
2669}
2670
2671/*
2672 *      Called by bport/vport to handle PLOGI received from a new remote port.
2673 *      If an existing rport does a plogi, it will be handled separately.
2674 */
2675void
2676bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, struct fchs_s *fchs,
2677                                struct fc_logi_s *plogi)
2678{
2679        struct bfa_fcs_rport_s *rport;
2680
2681        rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id);
2682        if (!rport)
2683                return;
2684
2685        bfa_fcs_rport_update(rport, plogi);
2686
2687        rport->reply_oxid = fchs->ox_id;
2688        bfa_trc(rport->fcs, rport->reply_oxid);
2689
2690        rport->stats.plogi_rcvd++;
2691        bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD);
2692}
2693
2694/*
2695 *      Called by bport/vport to handle PLOGI received from an existing
2696 *       remote port.
2697 */
2698void
2699bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs,
2700                        struct fc_logi_s *plogi)
2701{
2702        /*
2703         * @todo Handle P2P and initiator-initiator.
2704         */
2705
2706        bfa_fcs_rport_update(rport, plogi);
2707
2708        rport->reply_oxid = rx_fchs->ox_id;
2709        bfa_trc(rport->fcs, rport->reply_oxid);
2710
2711        rport->pid = rx_fchs->s_id;
2712        bfa_trc(rport->fcs, rport->pid);
2713
2714        rport->stats.plogi_rcvd++;
2715        bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD);
2716}
2717
2718
2719/*
2720 *      Called by bport/vport to notify SCN for the remote port
2721 */
2722void
2723bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport)
2724{
2725        rport->stats.rscns++;
2726        bfa_sm_send_event(rport, RPSM_EVENT_FAB_SCN);
2727}
2728
2729/*
2730 *      brief
2731 *      This routine BFA callback for bfa_rport_online() call.
2732 *
2733 *      param[in]       cb_arg  -  rport struct.
2734 *
2735 *      return
2736 *              void
2737 *
2738 *      Special Considerations:
2739 *
2740 *      note
2741 */
2742void
2743bfa_cb_rport_online(void *cbarg)
2744{
2745
2746        struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
2747
2748        bfa_trc(rport->fcs, rport->pwwn);
2749        bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE);
2750}
2751
2752/*
2753 *      brief
2754 *      This routine BFA callback for bfa_rport_offline() call.
2755 *
2756 *      param[in]       rport   -
2757 *
2758 *      return
2759 *              void
2760 *
2761 *      Special Considerations:
2762 *
2763 *      note
2764 */
2765void
2766bfa_cb_rport_offline(void *cbarg)
2767{
2768        struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
2769
2770        bfa_trc(rport->fcs, rport->pwwn);
2771        bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE);
2772}
2773
2774/*
2775 *      brief
2776 *      This routine is a static BFA callback when there is a QoS flow_id
2777 *      change notification
2778 *
2779 *      param[in]       rport   -
2780 *
2781 *      return
2782 *              void
2783 *
2784 *      Special Considerations:
2785 *
2786 *      note
2787 */
2788void
2789bfa_cb_rport_qos_scn_flowid(void *cbarg,
2790                struct bfa_rport_qos_attr_s old_qos_attr,
2791                struct bfa_rport_qos_attr_s new_qos_attr)
2792{
2793        struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
2794        struct bfa_rport_aen_data_s aen_data;
2795
2796        bfa_trc(rport->fcs, rport->pwwn);
2797        aen_data.priv.qos = new_qos_attr;
2798        bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_FLOWID, &aen_data);
2799}
2800
2801void
2802bfa_cb_rport_scn_online(struct bfa_s *bfa)
2803{
2804        struct bfa_fcs_s *fcs = &((struct bfad_s *)bfa->bfad)->bfa_fcs;
2805        struct bfa_fcs_lport_s *port = bfa_fcs_get_base_port(fcs);
2806        struct bfa_fcs_rport_s *rp;
2807        struct list_head *qe;
2808
2809        list_for_each(qe, &port->rport_q) {
2810                rp = (struct bfa_fcs_rport_s *) qe;
2811                bfa_sm_send_event(rp, RPSM_EVENT_SCN_ONLINE);
2812                rp->scn_online = BFA_TRUE;
2813        }
2814
2815        if (bfa_fcs_lport_is_online(port))
2816                bfa_fcs_lport_lip_scn_online(port);
2817}
2818
2819void
2820bfa_cb_rport_scn_no_dev(void *rport)
2821{
2822        struct bfa_fcs_rport_s *rp = rport;
2823
2824        bfa_sm_send_event(rp, RPSM_EVENT_SCN_OFFLINE);
2825        rp->scn_online = BFA_FALSE;
2826}
2827
2828void
2829bfa_cb_rport_scn_offline(struct bfa_s *bfa)
2830{
2831        struct bfa_fcs_s *fcs = &((struct bfad_s *)bfa->bfad)->bfa_fcs;
2832        struct bfa_fcs_lport_s *port = bfa_fcs_get_base_port(fcs);
2833        struct bfa_fcs_rport_s *rp;
2834        struct list_head *qe;
2835
2836        list_for_each(qe, &port->rport_q) {
2837                rp = (struct bfa_fcs_rport_s *) qe;
2838                bfa_sm_send_event(rp, RPSM_EVENT_SCN_OFFLINE);
2839                rp->scn_online = BFA_FALSE;
2840        }
2841}
2842
2843/*
2844 *      brief
2845 *      This routine is a static BFA callback when there is a QoS priority
2846 *      change notification
2847 *
2848 *      param[in]       rport   -
2849 *
2850 *      return
2851 *              void
2852 *
2853 *      Special Considerations:
2854 *
2855 *      note
2856 */
2857void
2858bfa_cb_rport_qos_scn_prio(void *cbarg,
2859                struct bfa_rport_qos_attr_s old_qos_attr,
2860                struct bfa_rport_qos_attr_s new_qos_attr)
2861{
2862        struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
2863        struct bfa_rport_aen_data_s aen_data;
2864
2865        bfa_trc(rport->fcs, rport->pwwn);
2866        aen_data.priv.qos = new_qos_attr;
2867        bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_PRIO, &aen_data);
2868}
2869
2870/*
2871 *              Called to process any unsolicted frames from this remote port
2872 */
2873void
2874bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport,
2875                        struct fchs_s *fchs, u16 len)
2876{
2877        struct bfa_fcs_lport_s *port = rport->port;
2878        struct fc_els_cmd_s     *els_cmd;
2879
2880        bfa_trc(rport->fcs, fchs->s_id);
2881        bfa_trc(rport->fcs, fchs->d_id);
2882        bfa_trc(rport->fcs, fchs->type);
2883
2884        if (fchs->type != FC_TYPE_ELS)
2885                return;
2886
2887        els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
2888
2889        bfa_trc(rport->fcs, els_cmd->els_code);
2890
2891        switch (els_cmd->els_code) {
2892        case FC_ELS_LOGO:
2893                bfa_stats(port, plogi_rcvd);
2894                bfa_fcs_rport_process_logo(rport, fchs);
2895                break;
2896
2897        case FC_ELS_ADISC:
2898                bfa_stats(port, adisc_rcvd);
2899                bfa_fcs_rport_process_adisc(rport, fchs, len);
2900                break;
2901
2902        case FC_ELS_PRLO:
2903                bfa_stats(port, prlo_rcvd);
2904                if (bfa_fcs_lport_is_initiator(port))
2905                        bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len);
2906                break;
2907
2908        case FC_ELS_PRLI:
2909                bfa_stats(port, prli_rcvd);
2910                bfa_fcs_rport_process_prli(rport, fchs, len);
2911                break;
2912
2913        case FC_ELS_RPSC:
2914                bfa_stats(port, rpsc_rcvd);
2915                bfa_fcs_rport_process_rpsc(rport, fchs, len);
2916                break;
2917
2918        default:
2919                bfa_stats(port, un_handled_els_rcvd);
2920                bfa_fcs_rport_send_ls_rjt(rport, fchs,
2921                                          FC_LS_RJT_RSN_CMD_NOT_SUPP,
2922                                          FC_LS_RJT_EXP_NO_ADDL_INFO);
2923                break;
2924        }
2925}
2926
2927/* send best case  acc to prlo */
2928static void
2929bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport)
2930{
2931        struct bfa_fcs_lport_s *port = rport->port;
2932        struct fchs_s   fchs;
2933        struct bfa_fcxp_s *fcxp;
2934        int             len;
2935
2936        bfa_trc(rport->fcs, rport->pid);
2937
2938        fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
2939        if (!fcxp)
2940                return;
2941        len = fc_prlo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2942                        rport->pid, bfa_fcs_lport_get_fcid(port),
2943                        rport->reply_oxid, 0);
2944
2945        bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id,
2946                port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs,
2947                NULL, NULL, FC_MAX_PDUSZ, 0);
2948}
2949
2950/*
2951 * Send a LS reject
2952 */
2953static void
2954bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs,
2955                          u8 reason_code, u8 reason_code_expl)
2956{
2957        struct bfa_fcs_lport_s *port = rport->port;
2958        struct fchs_s   fchs;
2959        struct bfa_fcxp_s *fcxp;
2960        int             len;
2961
2962        bfa_trc(rport->fcs, rx_fchs->s_id);
2963
2964        fcxp = bfa_fcs_fcxp_alloc(rport->fcs, BFA_FALSE);
2965        if (!fcxp)
2966                return;
2967
2968        len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
2969                                rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
2970                                rx_fchs->ox_id, reason_code, reason_code_expl);
2971
2972        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
2973                        BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
2974                        FC_MAX_PDUSZ, 0);
2975}
2976
2977/*
2978 * Return state of rport.
2979 */
2980int
2981bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport)
2982{
2983        return bfa_sm_to_state(rport_sm_table, rport->sm);
2984}
2985
2986
2987/*
2988 *      brief
2989 *               Called by the Driver to set rport delete/ageout timeout
2990 *
2991 *      param[in]               rport timeout value in seconds.
2992 *
2993 *      return None
2994 */
2995void
2996bfa_fcs_rport_set_del_timeout(u8 rport_tmo)
2997{
2998        /* convert to Millisecs */
2999        if (rport_tmo > 0)
3000                bfa_fcs_rport_del_timeout = rport_tmo * 1000;
3001}
3002void
3003bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id)
3004{
3005        bfa_trc(rport->fcs, rport->pid);
3006
3007        rport->prlo = BFA_TRUE;
3008        rport->reply_oxid = ox_id;
3009        bfa_sm_send_event(rport, RPSM_EVENT_PRLO_RCVD);
3010}
3011
3012/*
3013 * Called by BFAD to set the max limit on number of bfa_fcs_rport allocation
3014 * which limits number of concurrent logins to remote ports
3015 */
3016void
3017bfa_fcs_rport_set_max_logins(u32 max_logins)
3018{
3019        if (max_logins > 0)
3020                bfa_fcs_rport_max_logins = max_logins;
3021}
3022
3023void
3024bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport,
3025                struct bfa_rport_attr_s *rport_attr)
3026{
3027        struct bfa_rport_qos_attr_s qos_attr;
3028        struct bfa_fcs_lport_s *port = rport->port;
3029        bfa_port_speed_t rport_speed = rport->rpf.rpsc_speed;
3030        struct bfa_port_attr_s port_attr;
3031
3032        bfa_fcport_get_attr(rport->fcs->bfa, &port_attr);
3033
3034        memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s));
3035        memset(&qos_attr, 0, sizeof(struct bfa_rport_qos_attr_s));
3036
3037        rport_attr->pid = rport->pid;
3038        rport_attr->pwwn = rport->pwwn;
3039        rport_attr->nwwn = rport->nwwn;
3040        rport_attr->cos_supported = rport->fc_cos;
3041        rport_attr->df_sz = rport->maxfrsize;
3042        rport_attr->state = bfa_fcs_rport_get_state(rport);
3043        rport_attr->fc_cos = rport->fc_cos;
3044        rport_attr->cisc = rport->cisc;
3045        rport_attr->scsi_function = rport->scsi_function;
3046        rport_attr->curr_speed  = rport->rpf.rpsc_speed;
3047        rport_attr->assigned_speed  = rport->rpf.assigned_speed;
3048
3049        if (rport->bfa_rport) {
3050                qos_attr.qos_priority = rport->bfa_rport->qos_attr.qos_priority;
3051                qos_attr.qos_flow_id =
3052                        cpu_to_be32(rport->bfa_rport->qos_attr.qos_flow_id);
3053        }
3054        rport_attr->qos_attr = qos_attr;
3055
3056        rport_attr->trl_enforced = BFA_FALSE;
3057        if (bfa_fcport_is_ratelim(port->fcs->bfa) &&
3058            (rport->scsi_function == BFA_RPORT_TARGET)) {
3059                if (rport_speed == BFA_PORT_SPEED_UNKNOWN)
3060                        rport_speed =
3061                                bfa_fcport_get_ratelim_speed(rport->fcs->bfa);
3062
3063                if ((bfa_fcs_lport_get_rport_max_speed(port) !=
3064                    BFA_PORT_SPEED_UNKNOWN) && (rport_speed < port_attr.speed))
3065                        rport_attr->trl_enforced = BFA_TRUE;
3066        }
3067}
3068
3069/*
3070 * Remote port implementation.
3071 */
3072
3073/*
3074 *  fcs_rport_api FCS rport API.
3075 */
3076
3077struct bfa_fcs_rport_s *
3078bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, wwn_t rpwwn)
3079{
3080        struct bfa_fcs_rport_s *rport;
3081
3082        rport = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn);
3083        if (rport == NULL) {
3084                /*
3085                 * TBD Error handling
3086                 */
3087        }
3088
3089        return rport;
3090}
3091
3092struct bfa_fcs_rport_s *
3093bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t rnwwn)
3094{
3095        struct bfa_fcs_rport_s *rport;
3096
3097        rport = bfa_fcs_lport_get_rport_by_nwwn(port, rnwwn);
3098        if (rport == NULL) {
3099                /*
3100                 * TBD Error handling
3101                 */
3102        }
3103
3104        return rport;
3105}
3106
3107/*
3108 * Remote port features (RPF) implementation.
3109 */
3110
3111#define BFA_FCS_RPF_RETRIES     (3)
3112#define BFA_FCS_RPF_RETRY_TIMEOUT  (1000) /* 1 sec (In millisecs) */
3113
3114static void     bfa_fcs_rpf_send_rpsc2(void *rport_cbarg,
3115                                struct bfa_fcxp_s *fcxp_alloced);
3116static void     bfa_fcs_rpf_rpsc2_response(void *fcsarg,
3117                        struct bfa_fcxp_s *fcxp,
3118                        void *cbarg,
3119                        bfa_status_t req_status,
3120                        u32 rsp_len,
3121                        u32 resid_len,
3122                        struct fchs_s *rsp_fchs);
3123
3124static void     bfa_fcs_rpf_timeout(void *arg);
3125
3126/*
3127 *  fcs_rport_ftrs_sm FCS rport state machine events
3128 */
3129
3130enum rpf_event {
3131        RPFSM_EVENT_RPORT_OFFLINE  = 1, /* Rport offline                */
3132        RPFSM_EVENT_RPORT_ONLINE   = 2, /* Rport online                 */
3133        RPFSM_EVENT_FCXP_SENT      = 3, /* Frame from has been sent     */
3134        RPFSM_EVENT_TIMEOUT        = 4, /* Rport SM timeout event       */
3135        RPFSM_EVENT_RPSC_COMP      = 5,
3136        RPFSM_EVENT_RPSC_FAIL      = 6,
3137        RPFSM_EVENT_RPSC_ERROR     = 7,
3138};
3139
3140static void     bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf,
3141                                        enum rpf_event event);
3142static void     bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf,
3143                                       enum rpf_event event);
3144static void     bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf,
3145                                       enum rpf_event event);
3146static void     bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf,
3147                                        enum rpf_event event);
3148static void     bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf,
3149                                        enum rpf_event event);
3150static void     bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf,
3151                                        enum rpf_event event);
3152
3153static void
3154bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
3155{
3156        struct bfa_fcs_rport_s *rport = rpf->rport;
3157        struct bfa_fcs_fabric_s *fabric = &rport->fcs->fabric;
3158
3159        bfa_trc(rport->fcs, rport->pwwn);
3160        bfa_trc(rport->fcs, rport->pid);
3161        bfa_trc(rport->fcs, event);
3162
3163        switch (event) {
3164        case RPFSM_EVENT_RPORT_ONLINE:
3165                /* Send RPSC2 to a Brocade fabric only. */
3166                if ((!BFA_FCS_PID_IS_WKA(rport->pid)) &&
3167                        ((rport->port->fabric->lps->brcd_switch) ||
3168                        (bfa_fcs_fabric_get_switch_oui(fabric) ==
3169                                                BFA_FCS_BRCD_SWITCH_OUI))) {
3170                        bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending);
3171                        rpf->rpsc_retries = 0;
3172                        bfa_fcs_rpf_send_rpsc2(rpf, NULL);
3173                }
3174                break;
3175
3176        case RPFSM_EVENT_RPORT_OFFLINE:
3177                break;
3178
3179        default:
3180                bfa_sm_fault(rport->fcs, event);
3181        }
3182}
3183
3184static void
3185bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
3186{
3187        struct bfa_fcs_rport_s *rport = rpf->rport;
3188
3189        bfa_trc(rport->fcs, event);
3190
3191        switch (event) {
3192        case RPFSM_EVENT_FCXP_SENT:
3193                bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc);
3194                break;
3195
3196        case RPFSM_EVENT_RPORT_OFFLINE:
3197                bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline);
3198                bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rpf->fcxp_wqe);
3199                rpf->rpsc_retries = 0;
3200                break;
3201
3202        default:
3203                bfa_sm_fault(rport->fcs, event);
3204        }
3205}
3206
3207static void
3208bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
3209{
3210        struct bfa_fcs_rport_s *rport = rpf->rport;
3211
3212        bfa_trc(rport->fcs, rport->pid);
3213        bfa_trc(rport->fcs, event);
3214
3215        switch (event) {
3216        case RPFSM_EVENT_RPSC_COMP:
3217                bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online);
3218                /* Update speed info in f/w via BFA */
3219                if (rpf->rpsc_speed != BFA_PORT_SPEED_UNKNOWN)
3220                        bfa_rport_speed(rport->bfa_rport, rpf->rpsc_speed);
3221                else if (rpf->assigned_speed != BFA_PORT_SPEED_UNKNOWN)
3222                        bfa_rport_speed(rport->bfa_rport, rpf->assigned_speed);
3223                break;
3224
3225        case RPFSM_EVENT_RPSC_FAIL:
3226                /* RPSC not supported by rport */
3227                bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online);
3228                break;
3229
3230        case RPFSM_EVENT_RPSC_ERROR:
3231                /* need to retry...delayed a bit. */
3232                if (rpf->rpsc_retries++ < BFA_FCS_RPF_RETRIES) {
3233                        bfa_timer_start(rport->fcs->bfa, &rpf->timer,
3234                                    bfa_fcs_rpf_timeout, rpf,
3235                                    BFA_FCS_RPF_RETRY_TIMEOUT);
3236                        bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_retry);
3237                } else {
3238                        bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online);
3239                }
3240                break;
3241
3242        case RPFSM_EVENT_RPORT_OFFLINE:
3243                bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline);
3244                bfa_fcxp_discard(rpf->fcxp);
3245                rpf->rpsc_retries = 0;
3246                break;
3247
3248        default:
3249                bfa_sm_fault(rport->fcs, event);
3250        }
3251}
3252
3253static void
3254bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
3255{
3256        struct bfa_fcs_rport_s *rport = rpf->rport;
3257
3258        bfa_trc(rport->fcs, rport->pid);
3259        bfa_trc(rport->fcs, event);
3260
3261        switch (event) {
3262        case RPFSM_EVENT_TIMEOUT:
3263                /* re-send the RPSC */
3264                bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending);
3265                bfa_fcs_rpf_send_rpsc2(rpf, NULL);
3266                break;
3267
3268        case RPFSM_EVENT_RPORT_OFFLINE:
3269                bfa_timer_stop(&rpf->timer);
3270                bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline);
3271                rpf->rpsc_retries = 0;
3272                break;
3273
3274        default:
3275                bfa_sm_fault(rport->fcs, event);
3276        }
3277}
3278
3279static void
3280bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
3281{
3282        struct bfa_fcs_rport_s *rport = rpf->rport;
3283
3284        bfa_trc(rport->fcs, rport->pwwn);
3285        bfa_trc(rport->fcs, rport->pid);
3286        bfa_trc(rport->fcs, event);
3287
3288        switch (event) {
3289        case RPFSM_EVENT_RPORT_OFFLINE:
3290                bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline);
3291                rpf->rpsc_retries = 0;
3292                break;
3293
3294        default:
3295                bfa_sm_fault(rport->fcs, event);
3296        }
3297}
3298
3299static void
3300bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
3301{
3302        struct bfa_fcs_rport_s *rport = rpf->rport;
3303
3304        bfa_trc(rport->fcs, rport->pwwn);
3305        bfa_trc(rport->fcs, rport->pid);
3306        bfa_trc(rport->fcs, event);
3307
3308        switch (event) {
3309        case RPFSM_EVENT_RPORT_ONLINE:
3310                bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending);
3311                bfa_fcs_rpf_send_rpsc2(rpf, NULL);
3312                break;
3313
3314        case RPFSM_EVENT_RPORT_OFFLINE:
3315                break;
3316
3317        default:
3318                bfa_sm_fault(rport->fcs, event);
3319        }
3320}
3321/*
3322 * Called when Rport is created.
3323 */
3324void
3325bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport)
3326{
3327        struct bfa_fcs_rpf_s *rpf = &rport->rpf;
3328
3329        bfa_trc(rport->fcs, rport->pid);
3330        rpf->rport = rport;
3331
3332        bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_uninit);
3333}
3334
3335/*
3336 * Called when Rport becomes online
3337 */
3338void
3339bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport)
3340{
3341        bfa_trc(rport->fcs, rport->pid);
3342
3343        if (__fcs_min_cfg(rport->port->fcs))
3344                return;
3345
3346        if (bfa_fcs_fabric_is_switched(rport->port->fabric))
3347                bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_ONLINE);
3348}
3349
3350/*
3351 * Called when Rport becomes offline
3352 */
3353void
3354bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport)
3355{
3356        bfa_trc(rport->fcs, rport->pid);
3357
3358        if (__fcs_min_cfg(rport->port->fcs))
3359                return;
3360
3361        rport->rpf.rpsc_speed = 0;
3362        bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_OFFLINE);
3363}
3364
3365static void
3366bfa_fcs_rpf_timeout(void *arg)
3367{
3368        struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) arg;
3369        struct bfa_fcs_rport_s *rport = rpf->rport;
3370
3371        bfa_trc(rport->fcs, rport->pid);
3372        bfa_sm_send_event(rpf, RPFSM_EVENT_TIMEOUT);
3373}
3374
3375static void
3376bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3377{
3378        struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *)rpf_cbarg;
3379        struct bfa_fcs_rport_s *rport = rpf->rport;
3380        struct bfa_fcs_lport_s *port = rport->port;
3381        struct fchs_s   fchs;
3382        int             len;
3383        struct bfa_fcxp_s *fcxp;
3384
3385        bfa_trc(rport->fcs, rport->pwwn);
3386
3387        fcxp = fcxp_alloced ? fcxp_alloced :
3388               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3389        if (!fcxp) {
3390                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rpf->fcxp_wqe,
3391                                bfa_fcs_rpf_send_rpsc2, rpf, BFA_TRUE);
3392                return;
3393        }
3394        rpf->fcxp = fcxp;
3395
3396        len = fc_rpsc2_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
3397                            bfa_fcs_lport_get_fcid(port), &rport->pid, 1);
3398
3399        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3400                          FC_CLASS_3, len, &fchs, bfa_fcs_rpf_rpsc2_response,
3401                          rpf, FC_MAX_PDUSZ, FC_ELS_TOV);
3402        rport->stats.rpsc_sent++;
3403        bfa_sm_send_event(rpf, RPFSM_EVENT_FCXP_SENT);
3404
3405}
3406
3407static void
3408bfa_fcs_rpf_rpsc2_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
3409                            bfa_status_t req_status, u32 rsp_len,
3410                            u32 resid_len, struct fchs_s *rsp_fchs)
3411{
3412        struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) cbarg;
3413        struct bfa_fcs_rport_s *rport = rpf->rport;
3414        struct fc_ls_rjt_s *ls_rjt;
3415        struct fc_rpsc2_acc_s *rpsc2_acc;
3416        u16     num_ents;
3417
3418        bfa_trc(rport->fcs, req_status);
3419
3420        if (req_status != BFA_STATUS_OK) {
3421                bfa_trc(rport->fcs, req_status);
3422                if (req_status == BFA_STATUS_ETIMER)
3423                        rport->stats.rpsc_failed++;
3424                bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR);
3425                return;
3426        }
3427
3428        rpsc2_acc = (struct fc_rpsc2_acc_s *) BFA_FCXP_RSP_PLD(fcxp);
3429        if (rpsc2_acc->els_cmd == FC_ELS_ACC) {
3430                rport->stats.rpsc_accs++;
3431                num_ents = be16_to_cpu(rpsc2_acc->num_pids);
3432                bfa_trc(rport->fcs, num_ents);
3433                if (num_ents > 0) {
3434                        WARN_ON(be32_to_cpu(rpsc2_acc->port_info[0].pid) !=
3435                                                bfa_ntoh3b(rport->pid));
3436                        bfa_trc(rport->fcs,
3437                                be32_to_cpu(rpsc2_acc->port_info[0].pid));
3438                        bfa_trc(rport->fcs,
3439                                be16_to_cpu(rpsc2_acc->port_info[0].speed));
3440                        bfa_trc(rport->fcs,
3441                                be16_to_cpu(rpsc2_acc->port_info[0].index));
3442                        bfa_trc(rport->fcs,
3443                                rpsc2_acc->port_info[0].type);
3444
3445                        if (rpsc2_acc->port_info[0].speed == 0) {
3446                                bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR);
3447                                return;
3448                        }
3449
3450                        rpf->rpsc_speed = fc_rpsc_operspeed_to_bfa_speed(
3451                                be16_to_cpu(rpsc2_acc->port_info[0].speed));
3452
3453                        bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_COMP);
3454                }
3455        } else {
3456                ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
3457                bfa_trc(rport->fcs, ls_rjt->reason_code);
3458                bfa_trc(rport->fcs, ls_rjt->reason_code_expl);
3459                rport->stats.rpsc_rejects++;
3460                if (ls_rjt->reason_code == FC_LS_RJT_RSN_CMD_NOT_SUPP)
3461                        bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_FAIL);
3462                else
3463                        bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR);
3464        }
3465}
3466