drivers/scsi/bfa/bfa_fcs_lport.c

   1 /*
   2  * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
   3  * All rights reserved
   4  * www.brocade.com
   5  *
   6  * Linux driver for Brocade Fibre Channel Host Bus Adapter.
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License (GPL) Version 2 as
  10  * published by the Free Software Foundation
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  */
  17
  18 #include "bfad_drv.h"
  19 #include "bfad_im.h"
  20 #include "bfa_fcs.h"
  21 #include "bfa_fcbuild.h"
  22 #include "bfa_fc.h"
  23
  24 BFA_TRC_FILE(FCS, PORT);
  25
  26 /*
  27  * ALPA to LIXA bitmap mapping
  28  *
  29  * ALPA 0x00 (Word 0, Bit 30) is invalid for N_Ports. Also Word 0 Bit 31
  30  * is for L_bit (login required) and is filled as ALPA 0x00 here.
  31  */
  32 static const u8 loop_alpa_map[] = {
  33         0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x0F, 0x10, /* Word 0 Bits 31..24 */
  34         0x17, 0x18, 0x1B, 0x1D, 0x1E, 0x1F, 0x23, 0x25, /* Word 0 Bits 23..16 */
  35         0x26, 0x27, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, /* Word 0 Bits 15..08 */
  36         0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x39, 0x3A, /* Word 0 Bits 07..00 */
  37
  38         0x3C, 0x43, 0x45, 0x46, 0x47, 0x49, 0x4A, 0x4B, /* Word 1 Bits 31..24 */
  39         0x4C, 0x4D, 0x4E, 0x51, 0x52, 0x53, 0x54, 0x55, /* Word 1 Bits 23..16 */
  40         0x56, 0x59, 0x5A, 0x5C, 0x63, 0x65, 0x66, 0x67, /* Word 1 Bits 15..08 */
  41         0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x71, 0x72, /* Word 1 Bits 07..00 */
  42
  43         0x73, 0x74, 0x75, 0x76, 0x79, 0x7A, 0x7C, 0x80, /* Word 2 Bits 31..24 */
  44         0x81, 0x82, 0x84, 0x88, 0x8F, 0x90, 0x97, 0x98, /* Word 2 Bits 23..16 */
  45         0x9B, 0x9D, 0x9E, 0x9F, 0xA3, 0xA5, 0xA6, 0xA7, /* Word 2 Bits 15..08 */
  46         0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xB1, 0xB2, /* Word 2 Bits 07..00 */
  47
  48         0xB3, 0xB4, 0xB5, 0xB6, 0xB9, 0xBA, 0xBC, 0xC3, /* Word 3 Bits 31..24 */
  49         0xC5, 0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, /* Word 3 Bits 23..16 */
  50         0xCE, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD9, /* Word 3 Bits 15..08 */
  51         0xDA, 0xDC, 0xE0, 0xE1, 0xE2, 0xE4, 0xE8, 0xEF, /* Word 3 Bits 07..00 */
  52 };
  53
  54 static void     bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
  55                                          struct fchs_s *rx_fchs, u8 reason_code,
  56                                          u8 reason_code_expl);
  57 static void     bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
  58                         struct fchs_s *rx_fchs, struct fc_logi_s *plogi);
  59 static void     bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port);
  60 static void     bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port);
  61 static void     bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port);
  62 static void     bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port);
  63 static void     bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port);
  64 static void     bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port);
  65 static void     bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port,
  66                         struct fchs_s *rx_fchs,
  67                         struct fc_echo_s *echo, u16 len);
  68 static void     bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port,
  69                         struct fchs_s *rx_fchs,
  70                         struct fc_rnid_cmd_s *rnid, u16 len);
  71 static void     bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
  72                         struct fc_rnid_general_topology_data_s *gen_topo_data);
  73
  74 static void     bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port);
  75 static void     bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port);
  76 static void     bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port);
  77
  78 static void     bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
  79 static void     bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
  80 static void     bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);
  81
  82 static void     bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port);
  83 static void     bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port);
  84 static void     bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port);
  85
  86 static struct {
  87         void            (*init) (struct bfa_fcs_lport_s *port);
  88         void            (*online) (struct bfa_fcs_lport_s *port);
  89         void            (*offline) (struct bfa_fcs_lport_s *port);
  90 } __port_action[] = {
  91         {
  92         bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online,
  93                         bfa_fcs_lport_unknown_offline}, {
  94         bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online,
  95                         bfa_fcs_lport_fab_offline}, {
  96         bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online,
  97                         bfa_fcs_lport_n2n_offline}, {
  98         bfa_fcs_lport_loop_init, bfa_fcs_lport_loop_online,
  99                         bfa_fcs_lport_loop_offline},
 100         };
 101
 102 /*
 103  *  fcs_port_sm FCS logical port state machine
 104  */
 105
 106 enum bfa_fcs_lport_event {
 107         BFA_FCS_PORT_SM_CREATE = 1,
 108         BFA_FCS_PORT_SM_ONLINE = 2,
 109         BFA_FCS_PORT_SM_OFFLINE = 3,
 110         BFA_FCS_PORT_SM_DELETE = 4,
 111         BFA_FCS_PORT_SM_DELRPORT = 5,
 112         BFA_FCS_PORT_SM_STOP = 6,
 113 };
 114
 115 static void     bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s *port,
 116                                         enum bfa_fcs_lport_event event);
 117 static void     bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
 118                                         enum bfa_fcs_lport_event event);
 119 static void     bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port,
 120                                         enum bfa_fcs_lport_event event);
 121 static void     bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port,
 122                                         enum bfa_fcs_lport_event event);
 123 static void     bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port,
 124                                         enum bfa_fcs_lport_event event);
 125 static void     bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
 126                                         enum bfa_fcs_lport_event event);
 127
 128 static void
 129 bfa_fcs_lport_sm_uninit(
 130         struct bfa_fcs_lport_s *port,
 131         enum bfa_fcs_lport_event event)
 132 {
 133         bfa_trc(port->fcs, port->port_cfg.pwwn);
 134         bfa_trc(port->fcs, event);
 135
 136         switch (event) {
 137         case BFA_FCS_PORT_SM_CREATE:
 138                 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 139                 break;
 140
 141         default:
 142                 bfa_sm_fault(port->fcs, event);
 143         }
 144 }
 145
 146 static void
 147 bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
 148                         enum bfa_fcs_lport_event event)
 149 {
 150         bfa_trc(port->fcs, port->port_cfg.pwwn);
 151         bfa_trc(port->fcs, event);
 152
 153         switch (event) {
 154         case BFA_FCS_PORT_SM_ONLINE:
 155                 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
 156                 bfa_fcs_lport_online_actions(port);
 157                 break;
 158
 159         case BFA_FCS_PORT_SM_DELETE:
 160                 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 161                 bfa_fcs_lport_deleted(port);
 162                 break;
 163
 164         case BFA_FCS_PORT_SM_STOP:
 165                 /* If vport - send completion call back */
 166                 if (port->vport)
 167                         bfa_fcs_vport_stop_comp(port->vport);
 168                 else
 169                         bfa_wc_down(&(port->fabric->stop_wc));
 170                 break;
 171
 172         case BFA_FCS_PORT_SM_OFFLINE:
 173                 break;
 174
 175         default:
 176                 bfa_sm_fault(port->fcs, event);
 177         }
 178 }
 179
 180 static void
 181 bfa_fcs_lport_sm_online(
 182         struct bfa_fcs_lport_s *port,
 183         enum bfa_fcs_lport_event event)
 184 {
 185         struct bfa_fcs_rport_s *rport;
 186         struct list_head                *qe, *qen;
 187
 188         bfa_trc(port->fcs, port->port_cfg.pwwn);
 189         bfa_trc(port->fcs, event);
 190
 191         switch (event) {
 192         case BFA_FCS_PORT_SM_OFFLINE:
 193                 bfa_sm_set_state(port, bfa_fcs_lport_sm_offline);
 194                 bfa_fcs_lport_offline_actions(port);
 195                 break;
 196
 197         case BFA_FCS_PORT_SM_STOP:
 198                 __port_action[port->fabric->fab_type].offline(port);
 199
 200                 if (port->num_rports == 0) {
 201                         bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 202                         /* If vport - send completion call back */
 203                         if (port->vport)
 204                                 bfa_fcs_vport_stop_comp(port->vport);
 205                         else
 206                                 bfa_wc_down(&(port->fabric->stop_wc));
 207                 } else {
 208                         bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
 209                         list_for_each_safe(qe, qen, &port->rport_q) {
 210                                 rport = (struct bfa_fcs_rport_s *) qe;
 211                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 212                         }
 213                 }
 214                 break;
 215
 216         case BFA_FCS_PORT_SM_DELETE:
 217
 218                 __port_action[port->fabric->fab_type].offline(port);
 219
 220                 if (port->num_rports == 0) {
 221                         bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 222                         bfa_fcs_lport_deleted(port);
 223                 } else {
 224                         bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
 225                         list_for_each_safe(qe, qen, &port->rport_q) {
 226                                 rport = (struct bfa_fcs_rport_s *) qe;
 227                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 228                         }
 229                 }
 230                 break;
 231
 232         case BFA_FCS_PORT_SM_DELRPORT:
 233                 break;
 234
 235         default:
 236                 bfa_sm_fault(port->fcs, event);
 237         }
 238 }
 239
 240 static void
 241 bfa_fcs_lport_sm_offline(
 242         struct bfa_fcs_lport_s *port,
 243         enum bfa_fcs_lport_event event)
 244 {
 245         struct bfa_fcs_rport_s *rport;
 246         struct list_head                *qe, *qen;
 247
 248         bfa_trc(port->fcs, port->port_cfg.pwwn);
 249         bfa_trc(port->fcs, event);
 250
 251         switch (event) {
 252         case BFA_FCS_PORT_SM_ONLINE:
 253                 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
 254                 bfa_fcs_lport_online_actions(port);
 255                 break;
 256
 257         case BFA_FCS_PORT_SM_STOP:
 258                 if (port->num_rports == 0) {
 259                         bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 260                         /* If vport - send completion call back */
 261                         if (port->vport)
 262                                 bfa_fcs_vport_stop_comp(port->vport);
 263                         else
 264                                 bfa_wc_down(&(port->fabric->stop_wc));
 265                 } else {
 266                         bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
 267                         list_for_each_safe(qe, qen, &port->rport_q) {
 268                                 rport = (struct bfa_fcs_rport_s *) qe;
 269                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 270                         }
 271                 }
 272                 break;
 273
 274         case BFA_FCS_PORT_SM_DELETE:
 275                 if (port->num_rports == 0) {
 276                         bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 277                         bfa_fcs_lport_deleted(port);
 278                 } else {
 279                         bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
 280                         list_for_each_safe(qe, qen, &port->rport_q) {
 281                                 rport = (struct bfa_fcs_rport_s *) qe;
 282                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 283                         }
 284                 }
 285                 break;
 286
 287         case BFA_FCS_PORT_SM_DELRPORT:
 288         case BFA_FCS_PORT_SM_OFFLINE:
 289                 break;
 290
 291         default:
 292                 bfa_sm_fault(port->fcs, event);
 293         }
 294 }
 295
 296 static void
 297 bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
 298                           enum bfa_fcs_lport_event event)
 299 {
 300         bfa_trc(port->fcs, port->port_cfg.pwwn);
 301         bfa_trc(port->fcs, event);
 302
 303         switch (event) {
 304         case BFA_FCS_PORT_SM_DELRPORT:
 305                 if (port->num_rports == 0) {
 306                         bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 307                         /* If vport - send completion call back */
 308                         if (port->vport)
 309                                 bfa_fcs_vport_stop_comp(port->vport);
 310                         else
 311                                 bfa_wc_down(&(port->fabric->stop_wc));
 312                 }
 313                 break;
 314
 315         default:
 316                 bfa_sm_fault(port->fcs, event);
 317         }
 318 }
 319
 320 static void
 321 bfa_fcs_lport_sm_deleting(
 322         struct bfa_fcs_lport_s *port,
 323         enum bfa_fcs_lport_event event)
 324 {
 325         bfa_trc(port->fcs, port->port_cfg.pwwn);
 326         bfa_trc(port->fcs, event);
 327
 328         switch (event) {
 329         case BFA_FCS_PORT_SM_DELRPORT:
 330                 if (port->num_rports == 0) {
 331                         bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 332                         bfa_fcs_lport_deleted(port);
 333                 }
 334                 break;
 335
 336         default:
 337                 bfa_sm_fault(port->fcs, event);
 338         }
 339 }
 340
 341 /*
 342  *  fcs_port_pvt
 343  */
 344
 345 /*
 346  * Send AEN notification
 347  */
 348 static void
 349 bfa_fcs_lport_aen_post(struct bfa_fcs_lport_s *port,
 350                         enum bfa_lport_aen_event event)
 351 {
 352         struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
 353         struct bfa_aen_entry_s  *aen_entry;
 354
 355         bfad_get_aen_entry(bfad, aen_entry);
 356         if (!aen_entry)
 357                 return;
 358
 359         aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
 360         aen_entry->aen_data.lport.roles = port->port_cfg.roles;
 361         aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
 362                                         bfa_fcs_get_base_port(port->fcs));
 363         aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
 364
 365         /* Send the AEN notification */
 366         bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
 367                                   BFA_AEN_CAT_LPORT, event);
 368 }
 369
 370 /*
 371  * Send a LS reject
 372  */
 373 static void
 374 bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
 375                          u8 reason_code, u8 reason_code_expl)
 376 {
 377         struct fchs_s   fchs;
 378         struct bfa_fcxp_s *fcxp;
 379         struct bfa_rport_s *bfa_rport = NULL;
 380         int             len;
 381
 382         bfa_trc(port->fcs, rx_fchs->d_id);
 383         bfa_trc(port->fcs, rx_fchs->s_id);
 384
 385         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 386         if (!fcxp)
 387                 return;
 388
 389         len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 390                               rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 391                               rx_fchs->ox_id, reason_code, reason_code_expl);
 392
 393         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 394                           BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 395                           FC_MAX_PDUSZ, 0);
 396 }
 397
 398 /*
 399  * Send a FCCT Reject
 400  */
 401 static void
 402 bfa_fcs_lport_send_fcgs_rjt(struct bfa_fcs_lport_s *port,
 403         struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl)
 404 {
 405         struct fchs_s   fchs;
 406         struct bfa_fcxp_s *fcxp;
 407         struct bfa_rport_s *bfa_rport = NULL;
 408         int             len;
 409         struct ct_hdr_s *rx_cthdr = (struct ct_hdr_s *)(rx_fchs + 1);
 410         struct ct_hdr_s *ct_hdr;
 411
 412         bfa_trc(port->fcs, rx_fchs->d_id);
 413         bfa_trc(port->fcs, rx_fchs->s_id);
 414
 415         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 416         if (!fcxp)
 417                 return;
 418
 419         ct_hdr = bfa_fcxp_get_reqbuf(fcxp);
 420         ct_hdr->gs_type = rx_cthdr->gs_type;
 421         ct_hdr->gs_sub_type = rx_cthdr->gs_sub_type;
 422
 423         len = fc_gs_rjt_build(&fchs, ct_hdr, rx_fchs->s_id,
 424                         bfa_fcs_lport_get_fcid(port),
 425                         rx_fchs->ox_id, reason_code, reason_code_expl);
 426
 427         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 428                         BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 429                         FC_MAX_PDUSZ, 0);
 430 }
 431
 432 /*
 433  * Process incoming plogi from a remote port.
 434  */
 435 static void
 436 bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
 437                 struct fchs_s *rx_fchs, struct fc_logi_s *plogi)
 438 {
 439         struct bfa_fcs_rport_s *rport;
 440
 441         bfa_trc(port->fcs, rx_fchs->d_id);
 442         bfa_trc(port->fcs, rx_fchs->s_id);
 443
 444         /*
 445          * If min cfg mode is enabled, drop any incoming PLOGIs
 446          */
 447         if (__fcs_min_cfg(port->fcs)) {
 448                 bfa_trc(port->fcs, rx_fchs->s_id);
 449                 return;
 450         }
 451
 452         if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) {
 453                 bfa_trc(port->fcs, rx_fchs->s_id);
 454                 /*
 455                  * send a LS reject
 456                  */
 457                 bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
 458                                         FC_LS_RJT_RSN_PROTOCOL_ERROR,
 459                                         FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS);
 460                 return;
 461         }
 462
 463         /*
 464          * Direct Attach P2P mode : verify address assigned by the r-port.
 465          */
 466         if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
 467                 (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
 468                            (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
 469                 if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) {
 470                         /* Address assigned to us cannot be a WKA */
 471                         bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
 472                                         FC_LS_RJT_RSN_PROTOCOL_ERROR,
 473                                         FC_LS_RJT_EXP_INVALID_NPORT_ID);
 474                         return;
 475                 }
 476                 port->pid  = rx_fchs->d_id;
 477                 bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
 478         }
 479
 480         /*
 481          * First, check if we know the device by pwwn.
 482          */
 483         rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name);
 484         if (rport) {
 485                 /*
 486                  * Direct Attach P2P mode : handle address assigned by r-port.
 487                  */
 488                 if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
 489                         (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
 490                         (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
 491                         port->pid  = rx_fchs->d_id;
 492                         bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
 493                         rport->pid = rx_fchs->s_id;
 494                 }
 495                 bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
 496                 return;
 497         }
 498
 499         /*
 500          * Next, lookup rport by PID.
 501          */
 502         rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id);
 503         if (!rport) {
 504                 /*
 505                  * Inbound PLOGI from a new device.
 506                  */
 507                 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
 508                 return;
 509         }
 510
 511         /*
 512          * Rport is known only by PID.
 513          */
 514         if (rport->pwwn) {
 515                 /*
 516                  * This is a different device with the same pid. Old device
 517                  * disappeared. Send implicit LOGO to old device.
 518                  */
 519                 WARN_ON(rport->pwwn == plogi->port_name);
 520                 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
 521
 522                 /*
 523                  * Inbound PLOGI from a new device (with old PID).
 524                  */
 525                 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
 526                 return;
 527         }
 528
 529         /*
 530          * PLOGI crossing each other.
 531          */
 532         WARN_ON(rport->pwwn != WWN_NULL);
 533         bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
 534 }
 535
 536 /*
 537  * Process incoming ECHO.
 538  * Since it does not require a login, it is processed here.
 539  */
 540 static void
 541 bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
 542                 struct fc_echo_s *echo, u16 rx_len)
 543 {
 544         struct fchs_s           fchs;
 545         struct bfa_fcxp_s       *fcxp;
 546         struct bfa_rport_s      *bfa_rport = NULL;
 547         int                     len, pyld_len;
 548
 549         bfa_trc(port->fcs, rx_fchs->s_id);
 550         bfa_trc(port->fcs, rx_fchs->d_id);
 551
 552         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 553         if (!fcxp)
 554                 return;
 555
 556         len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 557                                 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 558                                 rx_fchs->ox_id);
 559
 560         /*
 561          * Copy the payload (if any) from the echo frame
 562          */
 563         pyld_len = rx_len - sizeof(struct fchs_s);
 564         bfa_trc(port->fcs, rx_len);
 565         bfa_trc(port->fcs, pyld_len);
 566
 567         if (pyld_len > len)
 568                 memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) +
 569                         sizeof(struct fc_echo_s), (echo + 1),
 570                         (pyld_len - sizeof(struct fc_echo_s)));
 571
 572         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 573                         BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL,
 574                         FC_MAX_PDUSZ, 0);
 575 }
 576
 577 /*
 578  * Process incoming RNID.
 579  * Since it does not require a login, it is processed here.
 580  */
 581 static void
 582 bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
 583                 struct fc_rnid_cmd_s *rnid, u16 rx_len)
 584 {
 585         struct fc_rnid_common_id_data_s common_id_data;
 586         struct fc_rnid_general_topology_data_s gen_topo_data;
 587         struct fchs_s   fchs;
 588         struct bfa_fcxp_s *fcxp;
 589         struct bfa_rport_s *bfa_rport = NULL;
 590         u16     len;
 591         u32     data_format;
 592
 593         bfa_trc(port->fcs, rx_fchs->s_id);
 594         bfa_trc(port->fcs, rx_fchs->d_id);
 595         bfa_trc(port->fcs, rx_len);
 596
 597         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 598         if (!fcxp)
 599                 return;
 600
 601         /*
 602          * Check Node Indentification Data Format
 603          * We only support General Topology Discovery Format.
 604          * For any other requested Data Formats, we return Common Node Id Data
 605          * only, as per FC-LS.
 606          */
 607         bfa_trc(port->fcs, rnid->node_id_data_format);
 608         if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
 609                 data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY;
 610                 /*
 611                  * Get General topology data for this port
 612                  */
 613                 bfa_fs_port_get_gen_topo_data(port, &gen_topo_data);
 614         } else {
 615                 data_format = RNID_NODEID_DATA_FORMAT_COMMON;
 616         }
 617
 618         /*
 619          * Copy the Node Id Info
 620          */
 621         common_id_data.port_name = bfa_fcs_lport_get_pwwn(port);
 622         common_id_data.node_name = bfa_fcs_lport_get_nwwn(port);
 623
 624         len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 625                                 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 626                                 rx_fchs->ox_id, data_format, &common_id_data,
 627                                 &gen_topo_data);
 628
 629         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 630                         BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 631                         FC_MAX_PDUSZ, 0);
 632 }
 633
 634 /*
 635  *  Fill out General Topolpgy Discovery Data for RNID ELS.
 636  */
 637 static void
 638 bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
 639                         struct fc_rnid_general_topology_data_s *gen_topo_data)
 640 {
 641         memset(gen_topo_data, 0,
 642                       sizeof(struct fc_rnid_general_topology_data_s));
 643
 644         gen_topo_data->asso_type = cpu_to_be32(RNID_ASSOCIATED_TYPE_HOST);
 645         gen_topo_data->phy_port_num = 0;        /* @todo */
 646         gen_topo_data->num_attached_nodes = cpu_to_be32(1);
 647 }
 648
 649 static void
 650 bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port)
 651 {
 652         struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
 653         char    lpwwn_buf[BFA_STRING_32];
 654
 655         bfa_trc(port->fcs, port->fabric->oper_type);
 656
 657         __port_action[port->fabric->fab_type].init(port);
 658         __port_action[port->fabric->fab_type].online(port);
 659
 660         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
 661         BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
 662                 "Logical port online: WWN = %s Role = %s\n",
 663                 lpwwn_buf, "Initiator");
 664         bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_ONLINE);
 665
 666         bfad->bfad_flags |= BFAD_PORT_ONLINE;
 667 }
 668
 669 static void
 670 bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port)
 671 {
 672         struct list_head        *qe, *qen;
 673         struct bfa_fcs_rport_s *rport;
 674         struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
 675         char    lpwwn_buf[BFA_STRING_32];
 676
 677         bfa_trc(port->fcs, port->fabric->oper_type);
 678
 679         __port_action[port->fabric->fab_type].offline(port);
 680
 681         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
 682         if (bfa_sm_cmp_state(port->fabric,
 683                         bfa_fcs_fabric_sm_online) == BFA_TRUE) {
 684                 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
 685                 "Logical port lost fabric connectivity: WWN = %s Role = %s\n",
 686                 lpwwn_buf, "Initiator");
 687                 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DISCONNECT);
 688         } else {
 689                 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
 690                 "Logical port taken offline: WWN = %s Role = %s\n",
 691                 lpwwn_buf, "Initiator");
 692                 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_OFFLINE);
 693         }
 694
 695         list_for_each_safe(qe, qen, &port->rport_q) {
 696                 rport = (struct bfa_fcs_rport_s *) qe;
 697                 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
 698         }
 699 }
 700
 701 static void
 702 bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port)
 703 {
 704         WARN_ON(1);
 705 }
 706
 707 static void
 708 bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port)
 709 {
 710         WARN_ON(1);
 711 }
 712
 713 static void
 714 bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port)
 715 {
 716         WARN_ON(1);
 717 }
 718
 719 static void
 720 bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs)
 721 {
 722         struct fchs_s fchs;
 723         struct bfa_fcxp_s *fcxp;
 724         int             len;
 725
 726         bfa_trc(port->fcs, rx_fchs->d_id);
 727         bfa_trc(port->fcs, rx_fchs->s_id);
 728
 729         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 730         if (!fcxp)
 731                 return;
 732
 733         len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 734                         rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 735                         rx_fchs->ox_id, 0);
 736
 737         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
 738                           BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 739                           FC_MAX_PDUSZ, 0);
 740 }
 741 static void
 742 bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port)
 743 {
 744         struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
 745         char    lpwwn_buf[BFA_STRING_32];
 746
 747         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
 748         BFA_LOG(KERN_INFO, bfad, bfa_log_level,
 749                 "Logical port deleted: WWN = %s Role = %s\n",
 750                 lpwwn_buf, "Initiator");
 751         bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DELETE);
 752
 753         /* Base port will be deleted by the OS driver */
 754         if (port->vport)
 755                 bfa_fcs_vport_delete_comp(port->vport);
 756         else
 757                 bfa_wc_down(&port->fabric->wc);
 758 }
 759
 760
 761 /*
 762  * Unsolicited frame receive handling.
 763  */
 764 void
 765 bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport,
 766                         struct fchs_s *fchs, u16 len)
 767 {
 768         u32     pid = fchs->s_id;
 769         struct bfa_fcs_rport_s *rport = NULL;
 770         struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
 771
 772         bfa_stats(lport, uf_recvs);
 773         bfa_trc(lport->fcs, fchs->type);
 774
 775         if (!bfa_fcs_lport_is_online(lport)) {
 776                 bfa_stats(lport, uf_recv_drops);
 777                 return;
 778         }
 779
 780         /*
 781          * First, handle ELSs that donot require a login.
 782          */
 783         /*
 784          * Handle PLOGI first
 785          */
 786         if ((fchs->type == FC_TYPE_ELS) &&
 787                 (els_cmd->els_code == FC_ELS_PLOGI)) {
 788                 bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd);
 789                 return;
 790         }
 791
 792         /*
 793          * Handle ECHO separately.
 794          */
 795         if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) {
 796                 bfa_fcs_lport_echo(lport, fchs,
 797                                 (struct fc_echo_s *)els_cmd, len);
 798                 return;
 799         }
 800
 801         /*
 802          * Handle RNID separately.
 803          */
 804         if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) {
 805                 bfa_fcs_lport_rnid(lport, fchs,
 806                         (struct fc_rnid_cmd_s *) els_cmd, len);
 807                 return;
 808         }
 809
 810         if (fchs->type == FC_TYPE_BLS) {
 811                 if ((fchs->routing == FC_RTG_BASIC_LINK) &&
 812                                 (fchs->cat_info == FC_CAT_ABTS))
 813                         bfa_fcs_lport_abts_acc(lport, fchs);
 814                 return;
 815         }
 816
 817         if (fchs->type == FC_TYPE_SERVICES) {
 818                 /*
 819                  * Unhandled FC-GS frames. Send a FC-CT Reject
 820                  */
 821                 bfa_fcs_lport_send_fcgs_rjt(lport, fchs, CT_RSN_NOT_SUPP,
 822                                 CT_NS_EXP_NOADDITIONAL);
 823                 return;
 824         }
 825
 826         /*
 827          * look for a matching remote port ID
 828          */
 829         rport = bfa_fcs_lport_get_rport_by_pid(lport, pid);
 830         if (rport) {
 831                 bfa_trc(rport->fcs, fchs->s_id);
 832                 bfa_trc(rport->fcs, fchs->d_id);
 833                 bfa_trc(rport->fcs, fchs->type);
 834
 835                 bfa_fcs_rport_uf_recv(rport, fchs, len);
 836                 return;
 837         }
 838
 839         /*
 840          * Only handles ELS frames for now.
 841          */
 842         if (fchs->type != FC_TYPE_ELS) {
 843                 bfa_trc(lport->fcs, fchs->s_id);
 844                 bfa_trc(lport->fcs, fchs->d_id);
 845                 /* ignore type FC_TYPE_FC_FSS */
 846                 if (fchs->type != FC_TYPE_FC_FSS)
 847                         bfa_sm_fault(lport->fcs, fchs->type);
 848                 return;
 849         }
 850
 851         bfa_trc(lport->fcs, els_cmd->els_code);
 852         if (els_cmd->els_code == FC_ELS_RSCN) {
 853                 bfa_fcs_lport_scn_process_rscn(lport, fchs, len);
 854                 return;
 855         }
 856
 857         if (els_cmd->els_code == FC_ELS_LOGO) {
 858                 /*
 859                  * @todo Handle LOGO frames received.
 860                  */
 861                 return;
 862         }
 863
 864         if (els_cmd->els_code == FC_ELS_PRLI) {
 865                 /*
 866                  * @todo Handle PRLI frames received.
 867                  */
 868                 return;
 869         }
 870
 871         /*
 872          * Unhandled ELS frames. Send a LS_RJT.
 873          */
 874         bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
 875                                  FC_LS_RJT_EXP_NO_ADDL_INFO);
 876
 877 }
 878
 879 /*
 880  *   PID based Lookup for a R-Port in the Port R-Port Queue
 881  */
 882 struct bfa_fcs_rport_s *
 883 bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid)
 884 {
 885         struct bfa_fcs_rport_s *rport;
 886         struct list_head        *qe;
 887
 888         list_for_each(qe, &port->rport_q) {
 889                 rport = (struct bfa_fcs_rport_s *) qe;
 890                 if (rport->pid == pid)
 891                         return rport;
 892         }
 893
 894         bfa_trc(port->fcs, pid);
 895         return NULL;
 896 }
 897
 898 /*
 899  * OLD_PID based Lookup for a R-Port in the Port R-Port Queue
 900  */
 901 struct bfa_fcs_rport_s *
 902 bfa_fcs_lport_get_rport_by_old_pid(struct bfa_fcs_lport_s *port, u32 pid)
 903 {
 904         struct bfa_fcs_rport_s *rport;
 905         struct list_head        *qe;
 906
 907         list_for_each(qe, &port->rport_q) {
 908                 rport = (struct bfa_fcs_rport_s *) qe;
 909                 if (rport->old_pid == pid)
 910                         return rport;
 911         }
 912
 913         bfa_trc(port->fcs, pid);
 914         return NULL;
 915 }
 916
 917 /*
 918  *   PWWN based Lookup for a R-Port in the Port R-Port Queue
 919  */
 920 struct bfa_fcs_rport_s *
 921 bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn)
 922 {
 923         struct bfa_fcs_rport_s *rport;
 924         struct list_head        *qe;
 925
 926         list_for_each(qe, &port->rport_q) {
 927                 rport = (struct bfa_fcs_rport_s *) qe;
 928                 if (wwn_is_equal(rport->pwwn, pwwn))
 929                         return rport;
 930         }
 931
 932         bfa_trc(port->fcs, pwwn);
 933         return NULL;
 934 }
 935
 936 /*
 937  *   NWWN based Lookup for a R-Port in the Port R-Port Queue
 938  */
 939 struct bfa_fcs_rport_s *
 940 bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn)
 941 {
 942         struct bfa_fcs_rport_s *rport;
 943         struct list_head        *qe;
 944
 945         list_for_each(qe, &port->rport_q) {
 946                 rport = (struct bfa_fcs_rport_s *) qe;
 947                 if (wwn_is_equal(rport->nwwn, nwwn))
 948                         return rport;
 949         }
 950
 951         bfa_trc(port->fcs, nwwn);
 952         return NULL;
 953 }
 954
 955 /*
 956  * PWWN & PID based Lookup for a R-Port in the Port R-Port Queue
 957  */
 958 struct bfa_fcs_rport_s *
 959 bfa_fcs_lport_get_rport_by_qualifier(struct bfa_fcs_lport_s *port,
 960                                      wwn_t pwwn, u32 pid)
 961 {
 962         struct bfa_fcs_rport_s *rport;
 963         struct list_head        *qe;
 964
 965         list_for_each(qe, &port->rport_q) {
 966                 rport = (struct bfa_fcs_rport_s *) qe;
 967                 if (wwn_is_equal(rport->pwwn, pwwn) && rport->pid == pid)
 968                         return rport;
 969         }
 970
 971         bfa_trc(port->fcs, pwwn);
 972         return NULL;
 973 }
 974
 975 /*
 976  * Called by rport module when new rports are discovered.
 977  */
 978 void
 979 bfa_fcs_lport_add_rport(
 980         struct bfa_fcs_lport_s *port,
 981         struct bfa_fcs_rport_s *rport)
 982 {
 983         list_add_tail(&rport->qe, &port->rport_q);
 984         port->num_rports++;
 985 }
 986
 987 /*
 988  * Called by rport module to when rports are deleted.
 989  */
 990 void
 991 bfa_fcs_lport_del_rport(
 992         struct bfa_fcs_lport_s *port,
 993         struct bfa_fcs_rport_s *rport)
 994 {
 995         WARN_ON(!bfa_q_is_on_q(&port->rport_q, rport));
 996         list_del(&rport->qe);
 997         port->num_rports--;
 998
 999         bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
1000 }
1001
1002 /*
1003  * Called by fabric for base port when fabric login is complete.
1004  * Called by vport for virtual ports when FDISC is complete.
1005  */
1006 void
1007 bfa_fcs_lport_online(struct bfa_fcs_lport_s *port)
1008 {
1009         bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
1010 }
1011
1012 /*
1013  * Called by fabric for base port when fabric goes offline.
1014  * Called by vport for virtual ports when virtual port becomes offline.
1015  */
1016 void
1017 bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
1018 {
1019         bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
1020 }
1021
1022 /*
1023  * Called by fabric for base port and by vport for virtual ports
1024  * when target mode driver is unloaded.
1025  */
1026 void
1027 bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port)
1028 {
1029         bfa_sm_send_event(port, BFA_FCS_PORT_SM_STOP);
1030 }
1031
1032 /*
1033  * Called by fabric to delete base lport and associated resources.
1034  *
1035  * Called by vport to delete lport and associated resources. Should call
1036  * bfa_fcs_vport_delete_comp() for vports on completion.
1037  */
1038 void
1039 bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port)
1040 {
1041         bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
1042 }
1043
1044 /*
1045  * Return TRUE if port is online, else return FALSE
1046  */
1047 bfa_boolean_t
1048 bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
1049 {
1050         return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
1051 }
1052
1053 /*
1054   * Attach time initialization of logical ports.
1055  */
1056 void
1057 bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
1058                    u16 vf_id, struct bfa_fcs_vport_s *vport)
1059 {
1060         lport->fcs = fcs;
1061         lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
1062         lport->vport = vport;
1063         lport->lp_tag = (vport) ? vport->lps->bfa_tag :
1064                                   lport->fabric->lps->bfa_tag;
1065
1066         INIT_LIST_HEAD(&lport->rport_q);
1067         lport->num_rports = 0;
1068 }
1069
1070 /*
1071  * Logical port initialization of base or virtual port.
1072  * Called by fabric for base port or by vport for virtual ports.
1073  */
1074
1075 void
1076 bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
1077         struct bfa_lport_cfg_s *port_cfg)
1078 {
1079         struct bfa_fcs_vport_s *vport = lport->vport;
1080         struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad;
1081         char    lpwwn_buf[BFA_STRING_32];
1082
1083         lport->port_cfg = *port_cfg;
1084
1085         lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport,
1086                                         lport->port_cfg.roles,
1087                                         lport->fabric->vf_drv,
1088                                         vport ? vport->vport_drv : NULL);
1089
1090         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport));
1091         BFA_LOG(KERN_INFO, bfad, bfa_log_level,
1092                 "New logical port created: WWN = %s Role = %s\n",
1093                 lpwwn_buf, "Initiator");
1094         bfa_fcs_lport_aen_post(lport, BFA_LPORT_AEN_NEW);
1095
1096         bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
1097         bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
1098 }
1099
1100 /*
1101  *  fcs_lport_api
1102  */
1103
1104 void
1105 bfa_fcs_lport_get_attr(
1106         struct bfa_fcs_lport_s *port,
1107         struct bfa_lport_attr_s *port_attr)
1108 {
1109         if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
1110                 port_attr->pid = port->pid;
1111         else
1112                 port_attr->pid = 0;
1113
1114         port_attr->port_cfg = port->port_cfg;
1115
1116         if (port->fabric) {
1117                 port_attr->port_type = port->fabric->oper_type;
1118                 port_attr->loopback = bfa_sm_cmp_state(port->fabric,
1119                                 bfa_fcs_fabric_sm_loopback);
1120                 port_attr->authfail =
1121                         bfa_sm_cmp_state(port->fabric,
1122                                 bfa_fcs_fabric_sm_auth_failed);
1123                 port_attr->fabric_name  = bfa_fcs_lport_get_fabric_name(port);
1124                 memcpy(port_attr->fabric_ip_addr,
1125                         bfa_fcs_lport_get_fabric_ipaddr(port),
1126                         BFA_FCS_FABRIC_IPADDR_SZ);
1127
1128                 if (port->vport != NULL) {
1129                         port_attr->port_type = BFA_PORT_TYPE_VPORT;
1130                         port_attr->fpma_mac =
1131                                 port->vport->lps->lp_mac;
1132                 } else {
1133                         port_attr->fpma_mac =
1134                                 port->fabric->lps->lp_mac;
1135                 }
1136         } else {
1137                 port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
1138                 port_attr->state = BFA_LPORT_UNINIT;
1139         }
1140 }
1141
1142 /*
1143  *  bfa_fcs_lport_fab port fab functions
1144  */
1145
1146 /*
1147  *   Called by port to initialize fabric services of the base port.
1148  */
1149 static void
1150 bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
1151 {
1152         bfa_fcs_lport_ns_init(port);
1153         bfa_fcs_lport_scn_init(port);
1154         bfa_fcs_lport_ms_init(port);
1155 }
1156
1157 /*
1158  *   Called by port to notify transition to online state.
1159  */
1160 static void
1161 bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
1162 {
1163         bfa_fcs_lport_ns_online(port);
1164         bfa_fcs_lport_fab_scn_online(port);
1165 }
1166
1167 /*
1168  *   Called by port to notify transition to offline state.
1169  */
1170 static void
1171 bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
1172 {
1173         bfa_fcs_lport_ns_offline(port);
1174         bfa_fcs_lport_scn_offline(port);
1175         bfa_fcs_lport_ms_offline(port);
1176 }
1177
1178 /*
1179  *  bfa_fcs_lport_n2n  functions
1180  */
1181
1182 /*
1183  *   Called by fcs/port to initialize N2N topology.
1184  */
1185 static void
1186 bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
1187 {
1188 }
1189
1190 /*
1191  *   Called by fcs/port to notify transition to online state.
1192  */
1193 static void
1194 bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
1195 {
1196         struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1197         struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
1198         struct bfa_fcs_rport_s *rport;
1199
1200         bfa_trc(port->fcs, pcfg->pwwn);
1201
1202         /*
1203          * If our PWWN is > than that of the r-port, we have to initiate PLOGI
1204          * and assign an Address. if not, we need to wait for its PLOGI.
1205          *
1206          * If our PWWN is < than that of the remote port, it will send a PLOGI
1207          * with the PIDs assigned. The rport state machine take care of this
1208          * incoming PLOGI.
1209          */
1210         if (memcmp
1211             ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
1212              sizeof(wwn_t)) > 0) {
1213                 port->pid = N2N_LOCAL_PID;
1214                 bfa_lps_set_n2n_pid(port->fabric->lps, N2N_LOCAL_PID);
1215                 /*
1216                  * First, check if we know the device by pwwn.
1217                  */
1218                 rport = bfa_fcs_lport_get_rport_by_pwwn(port,
1219                                                         n2n_port->rem_port_wwn);
1220                 if (rport) {
1221                         bfa_trc(port->fcs, rport->pid);
1222                         bfa_trc(port->fcs, rport->pwwn);
1223                         rport->pid = N2N_REMOTE_PID;
1224                         bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
1225                         return;
1226                 }
1227
1228                 /*
1229                  * In n2n there can be only one rport. Delete the old one
1230                  * whose pid should be zero, because it is offline.
1231                  */
1232                 if (port->num_rports > 0) {
1233                         rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
1234                         WARN_ON(rport == NULL);
1235                         if (rport) {
1236                                 bfa_trc(port->fcs, rport->pwwn);
1237                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
1238                         }
1239                 }
1240                 bfa_fcs_rport_create(port, N2N_REMOTE_PID);
1241         }
1242 }
1243
1244 /*
1245  *   Called by fcs/port to notify transition to offline state.
1246  */
1247 static void
1248 bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
1249 {
1250         struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1251
1252         bfa_trc(port->fcs, port->pid);
1253         port->pid = 0;
1254         n2n_port->rem_port_wwn = 0;
1255         n2n_port->reply_oxid = 0;
1256 }
1257
1258 void
1259 bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
1260 {
1261         int i = 0, j = 0, bit = 0, alpa_bit = 0;
1262         u8 k = 0;
1263         struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(port->fcs->bfa);
1264
1265         port->port_topo.ploop.alpabm_valid = fcport->alpabm_valid;
1266         port->pid = fcport->myalpa;
1267         port->pid = bfa_hton3b(port->pid);
1268
1269         for (i = 0; i < (FC_ALPA_MAX / 8); i++) {
1270                 for (j = 0, alpa_bit = 0; j < 8; j++, alpa_bit++) {
1271                         bfa_trc(port->fcs->bfa, fcport->alpabm.alpa_bm[i]);
1272                         bit = (fcport->alpabm.alpa_bm[i] & (1 << (7 - j)));
1273                         if (bit) {
1274                                 port->port_topo.ploop.alpa_pos_map[k] =
1275                                         loop_alpa_map[(i * 8) + alpa_bit];
1276                                 k++;
1277                                 bfa_trc(port->fcs->bfa, k);
1278                                 bfa_trc(port->fcs->bfa,
1279                                          port->port_topo.ploop.alpa_pos_map[k]);
1280                         }
1281                 }
1282         }
1283         port->port_topo.ploop.num_alpa = k;
1284 }
1285
1286 /*
1287  * Called by fcs/port to initialize Loop topology.
1288  */
1289 static void
1290 bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port)
1291 {
1292 }
1293
1294 /*
1295  * Called by fcs/port to notify transition to online state.
1296  */
1297 static void
1298 bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port)
1299 {
1300         u8 num_alpa = 0, alpabm_valid = 0;
1301         struct bfa_fcs_rport_s *rport;
1302         u8 *alpa_map = NULL;
1303         int i = 0;
1304         u32 pid;
1305
1306         bfa_fcport_get_loop_attr(port);
1307
1308         num_alpa = port->port_topo.ploop.num_alpa;
1309         alpabm_valid = port->port_topo.ploop.alpabm_valid;
1310         alpa_map = port->port_topo.ploop.alpa_pos_map;
1311
1312         bfa_trc(port->fcs->bfa, port->pid);
1313         bfa_trc(port->fcs->bfa, num_alpa);
1314         if (alpabm_valid == 1) {
1315                 for (i = 0; i < num_alpa; i++) {
1316                         bfa_trc(port->fcs->bfa, alpa_map[i]);
1317                         if (alpa_map[i] != bfa_hton3b(port->pid)) {
1318                                 pid = alpa_map[i];
1319                                 bfa_trc(port->fcs->bfa, pid);
1320                                 rport = bfa_fcs_lport_get_rport_by_pid(port,
1321                                                 bfa_hton3b(pid));
1322                                 if (!rport)
1323                                         rport = bfa_fcs_rport_create(port,
1324                                                 bfa_hton3b(pid));
1325                         }
1326                 }
1327         } else {
1328                 for (i = 0; i < MAX_ALPA_COUNT; i++) {
1329                         if (alpa_map[i] != port->pid) {
1330                                 pid = loop_alpa_map[i];
1331                                 bfa_trc(port->fcs->bfa, pid);
1332                                 rport = bfa_fcs_lport_get_rport_by_pid(port,
1333                                                 bfa_hton3b(pid));
1334                                 if (!rport)
1335                                         rport = bfa_fcs_rport_create(port,
1336                                                 bfa_hton3b(pid));
1337                         }
1338                 }
1339         }
1340 }
1341
1342 /*
1343  * Called by fcs/port to notify transition to offline state.
1344  */
1345 static void
1346 bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port)
1347 {
1348 }
1349
1350 #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
1351
1352 /*
1353  * forward declarations
1354  */
1355 static void     bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
1356                                             struct bfa_fcxp_s *fcxp_alloced);
1357 static void     bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
1358                                             struct bfa_fcxp_s *fcxp_alloced);
1359 static void     bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
1360                                            struct bfa_fcxp_s *fcxp_alloced);
1361 static void     bfa_fcs_lport_fdmi_rhba_response(void *fcsarg,
1362                                                 struct bfa_fcxp_s *fcxp,
1363                                                 void *cbarg,
1364                                                 bfa_status_t req_status,
1365                                                 u32 rsp_len,
1366                                                 u32 resid_len,
1367                                                 struct fchs_s *rsp_fchs);
1368 static void     bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
1369                                                 struct bfa_fcxp_s *fcxp,
1370                                                 void *cbarg,
1371                                                 bfa_status_t req_status,
1372                                                 u32 rsp_len,
1373                                                 u32 resid_len,
1374                                                 struct fchs_s *rsp_fchs);
1375 static void     bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
1376                                                struct bfa_fcxp_s *fcxp,
1377                                                void *cbarg,
1378                                                bfa_status_t req_status,
1379                                                u32 rsp_len,
1380                                                u32 resid_len,
1381                                                struct fchs_s *rsp_fchs);
1382 static void     bfa_fcs_lport_fdmi_timeout(void *arg);
1383 static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1384                                                   u8 *pyld);
1385 static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1386                                                   u8 *pyld);
1387 static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1388                                                  u8 *pyld);
1389 static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
1390                                                        fdmi, u8 *pyld);
1391 static void     bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1392                                  struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
1393 static void     bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1394                                   struct bfa_fcs_fdmi_port_attr_s *port_attr);
1395 u32     bfa_fcs_fdmi_convert_speed(enum bfa_port_speed pport_speed);
1396
1397 /*
1398  *  fcs_fdmi_sm FCS FDMI state machine
1399  */
1400
1401 /*
1402  *  FDMI State Machine events
1403  */
1404 enum port_fdmi_event {
1405         FDMISM_EVENT_PORT_ONLINE = 1,
1406         FDMISM_EVENT_PORT_OFFLINE = 2,
1407         FDMISM_EVENT_RSP_OK = 4,
1408         FDMISM_EVENT_RSP_ERROR = 5,
1409         FDMISM_EVENT_TIMEOUT = 6,
1410         FDMISM_EVENT_RHBA_SENT = 7,
1411         FDMISM_EVENT_RPRT_SENT = 8,
1412         FDMISM_EVENT_RPA_SENT = 9,
1413 };
1414
1415 static void     bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1416                                              enum port_fdmi_event event);
1417 static void     bfa_fcs_lport_fdmi_sm_sending_rhba(
1418                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1419                                 enum port_fdmi_event event);
1420 static void     bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1421                                           enum port_fdmi_event event);
1422 static void     bfa_fcs_lport_fdmi_sm_rhba_retry(
1423                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1424                                 enum port_fdmi_event event);
1425 static void     bfa_fcs_lport_fdmi_sm_sending_rprt(
1426                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1427                                 enum port_fdmi_event event);
1428 static void     bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1429                                           enum port_fdmi_event event);
1430 static void     bfa_fcs_lport_fdmi_sm_rprt_retry(
1431                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1432                                 enum port_fdmi_event event);
1433 static void     bfa_fcs_lport_fdmi_sm_sending_rpa(
1434                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1435                                 enum port_fdmi_event event);
1436 static void     bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1437                                          enum port_fdmi_event event);
1438 static void     bfa_fcs_lport_fdmi_sm_rpa_retry(
1439                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1440                                 enum port_fdmi_event event);
1441 static void     bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1442                                             enum port_fdmi_event event);
1443 static void     bfa_fcs_lport_fdmi_sm_disabled(
1444                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1445                                 enum port_fdmi_event event);
1446 /*
1447  *      Start in offline state - awaiting MS to send start.
1448  */
1449 static void
1450 bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1451                              enum port_fdmi_event event)
1452 {
1453         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1454
1455         bfa_trc(port->fcs, port->port_cfg.pwwn);
1456         bfa_trc(port->fcs, event);
1457
1458         fdmi->retry_cnt = 0;
1459
1460         switch (event) {
1461         case FDMISM_EVENT_PORT_ONLINE:
1462                 if (port->vport) {
1463                         /*
1464                          * For Vports, register a new port.
1465                          */
1466                         bfa_sm_set_state(fdmi,
1467                                          bfa_fcs_lport_fdmi_sm_sending_rprt);
1468                         bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1469                 } else {
1470                         /*
1471                          * For a base port, we should first register the HBA
1472                          * attribute. The HBA attribute also contains the base
1473                          *  port registration.
1474                          */
1475                         bfa_sm_set_state(fdmi,
1476                                          bfa_fcs_lport_fdmi_sm_sending_rhba);
1477                         bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1478                 }
1479                 break;
1480
1481         case FDMISM_EVENT_PORT_OFFLINE:
1482                 break;
1483
1484         default:
1485                 bfa_sm_fault(port->fcs, event);
1486         }
1487 }
1488
1489 static void
1490 bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1491                                   enum port_fdmi_event event)
1492 {
1493         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1494
1495         bfa_trc(port->fcs, port->port_cfg.pwwn);
1496         bfa_trc(port->fcs, event);
1497
1498         switch (event) {
1499         case FDMISM_EVENT_RHBA_SENT:
1500                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
1501                 break;
1502
1503         case FDMISM_EVENT_PORT_OFFLINE:
1504                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1505                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1506                                            &fdmi->fcxp_wqe);
1507                 break;
1508
1509         default:
1510                 bfa_sm_fault(port->fcs, event);
1511         }
1512 }
1513
1514 static void
1515 bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1516                         enum port_fdmi_event event)
1517 {
1518         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1519
1520         bfa_trc(port->fcs, port->port_cfg.pwwn);
1521         bfa_trc(port->fcs, event);
1522
1523         switch (event) {
1524         case FDMISM_EVENT_RSP_ERROR:
1525                 /*
1526                  * if max retries have not been reached, start timer for a
1527                  * delayed retry
1528                  */
1529                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1530                         bfa_sm_set_state(fdmi,
1531                                         bfa_fcs_lport_fdmi_sm_rhba_retry);
1532                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1533                                             &fdmi->timer,
1534                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1535                                             BFA_FCS_RETRY_TIMEOUT);
1536                 } else {
1537                         /*
1538                          * set state to offline
1539                          */
1540                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1541                 }
1542                 break;
1543
1544         case FDMISM_EVENT_RSP_OK:
1545                 /*
1546                  * Initiate Register Port Attributes
1547                  */
1548                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1549                 fdmi->retry_cnt = 0;
1550                 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1551                 break;
1552
1553         case FDMISM_EVENT_PORT_OFFLINE:
1554                 bfa_fcxp_discard(fdmi->fcxp);
1555                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1556                 break;
1557
1558         default:
1559                 bfa_sm_fault(port->fcs, event);
1560         }
1561 }
1562
1563 static void
1564 bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1565                                 enum port_fdmi_event event)
1566 {
1567         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1568
1569         bfa_trc(port->fcs, port->port_cfg.pwwn);
1570         bfa_trc(port->fcs, event);
1571
1572         switch (event) {
1573         case FDMISM_EVENT_TIMEOUT:
1574                 /*
1575                  * Retry Timer Expired. Re-send
1576                  */
1577                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
1578                 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1579                 break;
1580
1581         case FDMISM_EVENT_PORT_OFFLINE:
1582                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1583                 bfa_timer_stop(&fdmi->timer);
1584                 break;
1585
1586         default:
1587                 bfa_sm_fault(port->fcs, event);
1588         }
1589 }
1590
1591 /*
1592 * RPRT : Register Port
1593  */
1594 static void
1595 bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1596                                   enum port_fdmi_event event)
1597 {
1598         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1599
1600         bfa_trc(port->fcs, port->port_cfg.pwwn);
1601         bfa_trc(port->fcs, event);
1602
1603         switch (event) {
1604         case FDMISM_EVENT_RPRT_SENT:
1605                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
1606                 break;
1607
1608         case FDMISM_EVENT_PORT_OFFLINE:
1609                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1610                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1611                                            &fdmi->fcxp_wqe);
1612                 break;
1613
1614         default:
1615                 bfa_sm_fault(port->fcs, event);
1616         }
1617 }
1618
1619 static void
1620 bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1621                         enum port_fdmi_event event)
1622 {
1623         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1624
1625         bfa_trc(port->fcs, port->port_cfg.pwwn);
1626         bfa_trc(port->fcs, event);
1627
1628         switch (event) {
1629         case FDMISM_EVENT_RSP_ERROR:
1630                 /*
1631                  * if max retries have not been reached, start timer for a
1632                  * delayed retry
1633                  */
1634                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1635                         bfa_sm_set_state(fdmi,
1636                                         bfa_fcs_lport_fdmi_sm_rprt_retry);
1637                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1638                                             &fdmi->timer,
1639                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1640                                             BFA_FCS_RETRY_TIMEOUT);
1641
1642                 } else {
1643                         /*
1644                          * set state to offline
1645                          */
1646                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1647                         fdmi->retry_cnt = 0;
1648                 }
1649                 break;
1650
1651         case FDMISM_EVENT_RSP_OK:
1652                 fdmi->retry_cnt = 0;
1653                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1654                 break;
1655
1656         case FDMISM_EVENT_PORT_OFFLINE:
1657                 bfa_fcxp_discard(fdmi->fcxp);
1658                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1659                 break;
1660
1661         default:
1662                 bfa_sm_fault(port->fcs, event);
1663         }
1664 }
1665
1666 static void
1667 bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1668                                 enum port_fdmi_event event)
1669 {
1670         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1671
1672         bfa_trc(port->fcs, port->port_cfg.pwwn);
1673         bfa_trc(port->fcs, event);
1674
1675         switch (event) {
1676         case FDMISM_EVENT_TIMEOUT:
1677                 /*
1678                  * Retry Timer Expired. Re-send
1679                  */
1680                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
1681                 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1682                 break;
1683
1684         case FDMISM_EVENT_PORT_OFFLINE:
1685                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1686                 bfa_timer_stop(&fdmi->timer);
1687                 break;
1688
1689         default:
1690                 bfa_sm_fault(port->fcs, event);
1691         }
1692 }
1693
1694 /*
1695  * Register Port Attributes
1696  */
1697 static void
1698 bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1699                                  enum port_fdmi_event event)
1700 {
1701         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1702
1703         bfa_trc(port->fcs, port->port_cfg.pwwn);
1704         bfa_trc(port->fcs, event);
1705
1706         switch (event) {
1707         case FDMISM_EVENT_RPA_SENT:
1708                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
1709                 break;
1710
1711         case FDMISM_EVENT_PORT_OFFLINE:
1712                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1713                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1714                                            &fdmi->fcxp_wqe);
1715                 break;
1716
1717         default:
1718                 bfa_sm_fault(port->fcs, event);
1719         }
1720 }
1721
1722 static void
1723 bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1724                         enum port_fdmi_event event)
1725 {
1726         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1727
1728         bfa_trc(port->fcs, port->port_cfg.pwwn);
1729         bfa_trc(port->fcs, event);
1730
1731         switch (event) {
1732         case FDMISM_EVENT_RSP_ERROR:
1733                 /*
1734                  * if max retries have not been reached, start timer for a
1735                  * delayed retry
1736                  */
1737                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1738                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry);
1739                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1740                                             &fdmi->timer,
1741                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1742                                             BFA_FCS_RETRY_TIMEOUT);
1743                 } else {
1744                         /*
1745                          * set state to offline
1746                          */
1747                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1748                         fdmi->retry_cnt = 0;
1749                 }
1750                 break;
1751
1752         case FDMISM_EVENT_RSP_OK:
1753                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1754                 fdmi->retry_cnt = 0;
1755                 break;
1756
1757         case FDMISM_EVENT_PORT_OFFLINE:
1758                 bfa_fcxp_discard(fdmi->fcxp);
1759                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1760                 break;
1761
1762         default:
1763                 bfa_sm_fault(port->fcs, event);
1764         }
1765 }
1766
1767 static void
1768 bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1769                                enum port_fdmi_event event)
1770 {
1771         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1772
1773         bfa_trc(port->fcs, port->port_cfg.pwwn);
1774         bfa_trc(port->fcs, event);
1775
1776         switch (event) {
1777         case FDMISM_EVENT_TIMEOUT:
1778                 /*
1779                  * Retry Timer Expired. Re-send
1780                  */
1781                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1782                 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1783                 break;
1784
1785         case FDMISM_EVENT_PORT_OFFLINE:
1786                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1787                 bfa_timer_stop(&fdmi->timer);
1788                 break;
1789
1790         default:
1791                 bfa_sm_fault(port->fcs, event);
1792         }
1793 }
1794
1795 static void
1796 bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1797                                 enum port_fdmi_event event)
1798 {
1799         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1800
1801         bfa_trc(port->fcs, port->port_cfg.pwwn);
1802         bfa_trc(port->fcs, event);
1803
1804         switch (event) {
1805         case FDMISM_EVENT_PORT_OFFLINE:
1806                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1807                 break;
1808
1809         default:
1810                 bfa_sm_fault(port->fcs, event);
1811         }
1812 }
1813 /*
1814  *  FDMI is disabled state.
1815  */
1816 static void
1817 bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
1818                              enum port_fdmi_event event)
1819 {
1820         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1821
1822         bfa_trc(port->fcs, port->port_cfg.pwwn);
1823         bfa_trc(port->fcs, event);
1824
1825         /* No op State. It can only be enabled at Driver Init. */
1826 }
1827
1828 /*
1829 *  RHBA : Register HBA Attributes.
1830  */
1831 static void
1832 bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1833 {
1834         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
1835         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1836         struct fchs_s fchs;
1837         int             len, attr_len;
1838         struct bfa_fcxp_s *fcxp;
1839         u8        *pyld;
1840
1841         bfa_trc(port->fcs, port->port_cfg.pwwn);
1842
1843         fcxp = fcxp_alloced ? fcxp_alloced :
1844                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
1845         if (!fcxp) {
1846                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
1847                                 bfa_fcs_lport_fdmi_send_rhba, fdmi, BFA_TRUE);
1848                 return;
1849         }
1850         fdmi->fcxp = fcxp;
1851
1852         pyld = bfa_fcxp_get_reqbuf(fcxp);
1853         memset(pyld, 0, FC_MAX_PDUSZ);
1854
1855         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
1856                                    FDMI_RHBA);
1857
1858         attr_len =
1859                 bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
1860                                           (u8 *) ((struct ct_hdr_s *) pyld
1861                                                        + 1));
1862
1863         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1864                           FC_CLASS_3, (len + attr_len), &fchs,
1865                           bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi,
1866                           FC_MAX_PDUSZ, FC_FCCT_TOV);
1867
1868         bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
1869 }
1870
1871 static          u16
1872 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
1873 {
1874         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1875         struct bfa_fcs_fdmi_hba_attr_s hba_attr;
1876         struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
1877         struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
1878         struct fdmi_attr_s *attr;
1879         u8        *curr_ptr;
1880         u16        len, count;
1881         u16     templen;
1882
1883         /*
1884          * get hba attributes
1885          */
1886         bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
1887
1888         rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
1889         rhba->port_list.num_ports = cpu_to_be32(1);
1890         rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port);
1891
1892         len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
1893
1894         count = 0;
1895         len += sizeof(rhba->hba_attr_blk.attr_count);
1896
1897         /*
1898          * fill out the invididual entries of the HBA attrib Block
1899          */
1900         curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
1901
1902         /*
1903          * Node Name
1904          */
1905         attr = (struct fdmi_attr_s *) curr_ptr;
1906         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODENAME);
1907         templen = sizeof(wwn_t);
1908         memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), templen);
1909         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1910         len += templen;
1911         count++;
1912         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1913                              sizeof(templen));
1914
1915         /*
1916          * Manufacturer
1917          */
1918         attr = (struct fdmi_attr_s *) curr_ptr;
1919         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MANUFACTURER);
1920         templen = (u16) strlen(fcs_hba_attr->manufacturer);
1921         memcpy(attr->value, fcs_hba_attr->manufacturer, templen);
1922         templen = fc_roundup(templen, sizeof(u32));
1923         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1924         len += templen;
1925         count++;
1926         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1927                              sizeof(templen));
1928
1929         /*
1930          * Serial Number
1931          */
1932         attr = (struct fdmi_attr_s *) curr_ptr;
1933         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_SERIALNUM);
1934         templen = (u16) strlen(fcs_hba_attr->serial_num);
1935         memcpy(attr->value, fcs_hba_attr->serial_num, templen);
1936         templen = fc_roundup(templen, sizeof(u32));
1937         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1938         len += templen;
1939         count++;
1940         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1941                              sizeof(templen));
1942
1943         /*
1944          * Model
1945          */
1946         attr = (struct fdmi_attr_s *) curr_ptr;
1947         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL);
1948         templen = (u16) strlen(fcs_hba_attr->model);
1949         memcpy(attr->value, fcs_hba_attr->model, templen);
1950         templen = fc_roundup(templen, sizeof(u32));
1951         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1952         len += templen;
1953         count++;
1954         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1955                              sizeof(templen));
1956
1957         /*
1958          * Model Desc
1959          */
1960         attr = (struct fdmi_attr_s *) curr_ptr;
1961         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL_DESC);
1962         templen = (u16) strlen(fcs_hba_attr->model_desc);
1963         memcpy(attr->value, fcs_hba_attr->model_desc, templen);
1964         templen = fc_roundup(templen, sizeof(u32));
1965         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1966         len += templen;
1967         count++;
1968         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1969                              sizeof(templen));
1970
1971         /*
1972          * H/W Version
1973          */
1974         if (fcs_hba_attr->hw_version[0] != '\0') {
1975                 attr = (struct fdmi_attr_s *) curr_ptr;
1976                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_HW_VERSION);
1977                 templen = (u16) strlen(fcs_hba_attr->hw_version);
1978                 memcpy(attr->value, fcs_hba_attr->hw_version, templen);
1979                 templen = fc_roundup(templen, sizeof(u32));
1980                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1981                 len += templen;
1982                 count++;
1983                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1984                                          sizeof(templen));
1985         }
1986
1987         /*
1988          * Driver Version
1989          */
1990         attr = (struct fdmi_attr_s *) curr_ptr;
1991         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_DRIVER_VERSION);
1992         templen = (u16) strlen(fcs_hba_attr->driver_version);
1993         memcpy(attr->value, fcs_hba_attr->driver_version, templen);
1994         templen = fc_roundup(templen, sizeof(u32));
1995         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1996         len += templen;
1997         count++;
1998         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1999                              sizeof(templen));
2000
2001         /*
2002          * Option Rom Version
2003          */
2004         if (fcs_hba_attr->option_rom_ver[0] != '\0') {
2005                 attr = (struct fdmi_attr_s *) curr_ptr;
2006                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_ROM_VERSION);
2007                 templen = (u16) strlen(fcs_hba_attr->option_rom_ver);
2008                 memcpy(attr->value, fcs_hba_attr->option_rom_ver, templen);
2009                 templen = fc_roundup(templen, sizeof(u32));
2010                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2011                 len += templen;
2012                 count++;
2013                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2014                                          sizeof(templen));
2015         }
2016
2017         attr = (struct fdmi_attr_s *) curr_ptr;
2018         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
2019         templen = (u16) strlen(fcs_hba_attr->fw_version);
2020         memcpy(attr->value, fcs_hba_attr->fw_version, templen);
2021         templen = fc_roundup(templen, sizeof(u32));
2022         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2023         len += templen;
2024         count++;
2025         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2026                              sizeof(templen));
2027
2028         /*
2029          * OS Name
2030          */
2031         if (fcs_hba_attr->os_name[0] != '\0') {
2032                 attr = (struct fdmi_attr_s *) curr_ptr;
2033                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_OS_NAME);
2034                 templen = (u16) strlen(fcs_hba_attr->os_name);
2035                 memcpy(attr->value, fcs_hba_attr->os_name, templen);
2036                 templen = fc_roundup(templen, sizeof(u32));
2037                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2038                 len += templen;
2039                 count++;
2040                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2041                                         sizeof(templen));
2042         }
2043
2044         /*
2045          * MAX_CT_PAYLOAD
2046          */
2047         attr = (struct fdmi_attr_s *) curr_ptr;
2048         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MAX_CT);
2049         templen = sizeof(fcs_hba_attr->max_ct_pyld);
2050         memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, templen);
2051         templen = fc_roundup(templen, sizeof(u32));
2052         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2053         len += templen;
2054         count++;
2055         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2056                              sizeof(templen));
2057         /*
2058          * Send extended attributes ( FOS 7.1 support )
2059          */
2060         if (fdmi->retry_cnt == 0) {
2061                 attr = (struct fdmi_attr_s *) curr_ptr;
2062                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODE_SYM_NAME);
2063                 templen = sizeof(fcs_hba_attr->node_sym_name);
2064                 memcpy(attr->value, &fcs_hba_attr->node_sym_name, templen);
2065                 templen = fc_roundup(templen, sizeof(u32));
2066                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2067                 len += templen;
2068                 count++;
2069                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2070                                         sizeof(templen));
2071
2072                 attr = (struct fdmi_attr_s *) curr_ptr;
2073                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_VENDOR_ID);
2074                 templen = sizeof(fcs_hba_attr->vendor_info);
2075                 memcpy(attr->value, &fcs_hba_attr->vendor_info, templen);
2076                 templen = fc_roundup(templen, sizeof(u32));
2077                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2078                 len += templen;
2079                 count++;
2080                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2081                                         sizeof(templen));
2082
2083                 attr = (struct fdmi_attr_s *) curr_ptr;
2084                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NUM_PORTS);
2085                 templen = sizeof(fcs_hba_attr->num_ports);
2086                 memcpy(attr->value, &fcs_hba_attr->num_ports, templen);
2087                 templen = fc_roundup(templen, sizeof(u32));
2088                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2089                 len += templen;
2090                 count++;
2091                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2092                                         sizeof(templen));
2093
2094                 attr = (struct fdmi_attr_s *) curr_ptr;
2095                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FABRIC_NAME);
2096                 templen = sizeof(fcs_hba_attr->fabric_name);
2097                 memcpy(attr->value, &fcs_hba_attr->fabric_name, templen);
2098                 templen = fc_roundup(templen, sizeof(u32));
2099                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2100                 len += templen;
2101                 count++;
2102                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2103                                         sizeof(templen));
2104
2105                 attr = (struct fdmi_attr_s *) curr_ptr;
2106                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_BIOS_VER);
2107                 templen = sizeof(fcs_hba_attr->bios_ver);
2108                 memcpy(attr->value, &fcs_hba_attr->bios_ver, templen);
2109                 templen = fc_roundup(attr->len, sizeof(u32));
2110                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2111                 len += templen;
2112                 count++;
2113                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2114                                         sizeof(templen));
2115         }
2116
2117         /*
2118          * Update size of payload
2119          */
2120         len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2121
2122         rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
2123         return len;
2124 }
2125
2126 static void
2127 bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2128                                 void *cbarg, bfa_status_t req_status,
2129                                 u32 rsp_len, u32 resid_len,
2130                                 struct fchs_s *rsp_fchs)
2131 {
2132         struct bfa_fcs_lport_fdmi_s *fdmi =
2133                                 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2134         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2135         struct ct_hdr_s *cthdr = NULL;
2136
2137         bfa_trc(port->fcs, port->port_cfg.pwwn);
2138
2139         /*
2140          * Sanity Checks
2141          */
2142         if (req_status != BFA_STATUS_OK) {
2143                 bfa_trc(port->fcs, req_status);
2144                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2145                 return;
2146         }
2147
2148         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2149         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2150
2151         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2152                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2153                 return;
2154         }
2155
2156         bfa_trc(port->fcs, cthdr->reason_code);
2157         bfa_trc(port->fcs, cthdr->exp_code);
2158         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2159 }
2160
2161 /*
2162 *  RPRT : Register Port
2163  */
2164 static void
2165 bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2166 {
2167         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2168         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2169         struct fchs_s fchs;
2170         u16        len, attr_len;
2171         struct bfa_fcxp_s *fcxp;
2172         u8        *pyld;
2173
2174         bfa_trc(port->fcs, port->port_cfg.pwwn);
2175
2176         fcxp = fcxp_alloced ? fcxp_alloced :
2177                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2178         if (!fcxp) {
2179                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2180                                 bfa_fcs_lport_fdmi_send_rprt, fdmi, BFA_TRUE);
2181                 return;
2182         }
2183         fdmi->fcxp = fcxp;
2184
2185         pyld = bfa_fcxp_get_reqbuf(fcxp);
2186         memset(pyld, 0, FC_MAX_PDUSZ);
2187
2188         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2189                                    FDMI_RPRT);
2190
2191         attr_len =
2192                 bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
2193                                           (u8 *) ((struct ct_hdr_s *) pyld
2194                                                        + 1));
2195
2196         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2197                           FC_CLASS_3, len + attr_len, &fchs,
2198                           bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
2199                           FC_MAX_PDUSZ, FC_FCCT_TOV);
2200
2201         bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
2202 }
2203
2204 /*
2205  * This routine builds Port Attribute Block that used in RPA, RPRT commands.
2206  */
2207 static          u16
2208 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
2209                                        u8 *pyld)
2210 {
2211         struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2212         struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
2213         struct fdmi_attr_s *attr;
2214         u8        *curr_ptr;
2215         u16        len;
2216         u8      count = 0;
2217         u16     templen;
2218
2219         /*
2220          * get port attributes
2221          */
2222         bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2223
2224         len = sizeof(port_attrib->attr_count);
2225
2226         /*
2227          * fill out the invididual entries
2228          */
2229         curr_ptr = (u8 *) &port_attrib->port_attr;
2230
2231         /*
2232          * FC4 Types
2233          */
2234         attr = (struct fdmi_attr_s *) curr_ptr;
2235         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
2236         templen = sizeof(fcs_port_attr.supp_fc4_types);
2237         memcpy(attr->value, fcs_port_attr.supp_fc4_types, templen);
2238         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2239         len += templen;
2240         ++count;
2241         attr->len =
2242                 cpu_to_be16(templen + sizeof(attr->type) +
2243                              sizeof(templen));
2244
2245         /*
2246          * Supported Speed
2247          */
2248         attr = (struct fdmi_attr_s *) curr_ptr;
2249         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
2250         templen = sizeof(fcs_port_attr.supp_speed);
2251         memcpy(attr->value, &fcs_port_attr.supp_speed, templen);
2252         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2253         len += templen;
2254         ++count;
2255         attr->len =
2256                 cpu_to_be16(templen + sizeof(attr->type) +
2257                              sizeof(templen));
2258
2259         /*
2260          * current Port Speed
2261          */
2262         attr = (struct fdmi_attr_s *) curr_ptr;
2263         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
2264         templen = sizeof(fcs_port_attr.curr_speed);
2265         memcpy(attr->value, &fcs_port_attr.curr_speed, templen);
2266         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2267         len += templen;
2268         ++count;
2269         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2270                              sizeof(templen));
2271
2272         /*
2273          * max frame size
2274          */
2275         attr = (struct fdmi_attr_s *) curr_ptr;
2276         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
2277         templen = sizeof(fcs_port_attr.max_frm_size);
2278         memcpy(attr->value, &fcs_port_attr.max_frm_size, templen);
2279         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2280         len += templen;
2281         ++count;
2282         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2283                              sizeof(templen));
2284
2285         /*
2286          * OS Device Name
2287          */
2288         if (fcs_port_attr.os_device_name[0] != '\0') {
2289                 attr = (struct fdmi_attr_s *) curr_ptr;
2290                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
2291                 templen = (u16) strlen(fcs_port_attr.os_device_name);
2292                 memcpy(attr->value, fcs_port_attr.os_device_name, templen);
2293                 templen = fc_roundup(templen, sizeof(u32));
2294                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2295                 len += templen;
2296                 ++count;
2297                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2298                                         sizeof(templen));
2299         }
2300         /*
2301          * Host Name
2302          */
2303         if (fcs_port_attr.host_name[0] != '\0') {
2304                 attr = (struct fdmi_attr_s *) curr_ptr;
2305                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
2306                 templen = (u16) strlen(fcs_port_attr.host_name);
2307                 memcpy(attr->value, fcs_port_attr.host_name, templen);
2308                 templen = fc_roundup(templen, sizeof(u32));
2309                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2310                 len += templen;
2311                 ++count;
2312                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2313                                 sizeof(templen));
2314         }
2315
2316         if (fdmi->retry_cnt == 0) {
2317                 attr = (struct fdmi_attr_s *) curr_ptr;
2318                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_NODE_NAME);
2319                 templen = sizeof(fcs_port_attr.node_name);
2320                 memcpy(attr->value, &fcs_port_attr.node_name, templen);
2321                 templen = fc_roundup(templen, sizeof(u32));
2322                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2323                 len += templen;
2324                 ++count;
2325                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2326                                  sizeof(templen));
2327
2328                 attr = (struct fdmi_attr_s *) curr_ptr;
2329                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NAME);
2330                 templen = sizeof(fcs_port_attr.port_name);
2331                 memcpy(attr->value, &fcs_port_attr.port_name, templen);
2332                 templen = fc_roundup(templen, sizeof(u32));
2333                 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + templen;
2334                 len += templen;
2335                 ++count;
2336                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2337                                  sizeof(templen));
2338
2339                 if (fcs_port_attr.port_sym_name.symname[0] != '\0') {
2340                         attr = (struct fdmi_attr_s *) curr_ptr;
2341                         attr->type =
2342                                 cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SYM_NAME);
2343                         templen = sizeof(fcs_port_attr.port_sym_name);
2344                         memcpy(attr->value,
2345                                 &fcs_port_attr.port_sym_name, templen);
2346                         templen = fc_roundup(templen, sizeof(u32));
2347                         curr_ptr += sizeof(attr->type) +
2348                                         sizeof(templen) + templen;
2349                         len += templen;
2350                         ++count;
2351                         attr->len = cpu_to_be16(templen +
2352                                 sizeof(attr->type) + sizeof(templen));
2353                 }
2354
2355                 attr = (struct fdmi_attr_s *) curr_ptr;
2356                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_TYPE);
2357                 templen = sizeof(fcs_port_attr.port_type);
2358                 memcpy(attr->value, &fcs_port_attr.port_type, templen);
2359                 templen = fc_roundup(templen, sizeof(u32));
2360                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2361                 len += templen;
2362                 ++count;
2363                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2364                                  sizeof(templen));
2365
2366                 attr = (struct fdmi_attr_s *) curr_ptr;
2367                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_COS);
2368                 templen = sizeof(fcs_port_attr.scos);
2369                 memcpy(attr->value, &fcs_port_attr.scos, templen);
2370                 templen = fc_roundup(templen, sizeof(u32));
2371                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2372                 len += templen;
2373                 ++count;
2374                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2375                                  sizeof(templen));
2376
2377                 attr = (struct fdmi_attr_s *) curr_ptr;
2378                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FAB_NAME);
2379                 templen = sizeof(fcs_port_attr.port_fabric_name);
2380                 memcpy(attr->value, &fcs_port_attr.port_fabric_name, templen);
2381                 templen = fc_roundup(templen, sizeof(u32));
2382                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2383                 len += templen;
2384                 ++count;
2385                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2386                                  sizeof(templen));
2387
2388                 attr = (struct fdmi_attr_s *) curr_ptr;
2389                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FC4_TYPE);
2390                 templen = sizeof(fcs_port_attr.port_act_fc4_type);
2391                 memcpy(attr->value, fcs_port_attr.port_act_fc4_type,
2392                                 templen);
2393                 templen = fc_roundup(templen, sizeof(u32));
2394                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2395                 len += templen;
2396                 ++count;
2397                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2398                                  sizeof(templen));
2399
2400                 attr = (struct fdmi_attr_s *) curr_ptr;
2401                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_STATE);
2402                 templen = sizeof(fcs_port_attr.port_state);
2403                 memcpy(attr->value, &fcs_port_attr.port_state, templen);
2404                 templen = fc_roundup(templen, sizeof(u32));
2405                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2406                 len += templen;
2407                 ++count;
2408                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2409                                  sizeof(templen));
2410
2411                 attr = (struct fdmi_attr_s *) curr_ptr;
2412                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NUM_RPRT);
2413                 templen = sizeof(fcs_port_attr.num_ports);
2414                 memcpy(attr->value, &fcs_port_attr.num_ports, templen);
2415                 templen = fc_roundup(templen, sizeof(u32));
2416                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2417                 len += templen;
2418                 ++count;
2419                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2420                                 sizeof(templen));
2421         }
2422
2423         /*
2424          * Update size of payload
2425          */
2426         port_attrib->attr_count = cpu_to_be32(count);
2427         len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2428         return len;
2429 }
2430
2431 static          u16
2432 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2433 {
2434         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2435         struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
2436         u16        len;
2437
2438         rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
2439         rprt->port_name = bfa_fcs_lport_get_pwwn(port);
2440
2441         len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2442                                 (u8 *) &rprt->port_attr_blk);
2443
2444         len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
2445
2446         return len;
2447 }
2448
2449 static void
2450 bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2451                                 void *cbarg, bfa_status_t req_status,
2452                                 u32 rsp_len, u32 resid_len,
2453                                 struct fchs_s *rsp_fchs)
2454 {
2455         struct bfa_fcs_lport_fdmi_s *fdmi =
2456                         (struct bfa_fcs_lport_fdmi_s *) cbarg;
2457         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2458         struct ct_hdr_s *cthdr = NULL;
2459
2460         bfa_trc(port->fcs, port->port_cfg.pwwn);
2461
2462         /*
2463          * Sanity Checks
2464          */
2465         if (req_status != BFA_STATUS_OK) {
2466                 bfa_trc(port->fcs, req_status);
2467                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2468                 return;
2469         }
2470
2471         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2472         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2473
2474         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2475                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2476                 return;
2477         }
2478
2479         bfa_trc(port->fcs, cthdr->reason_code);
2480         bfa_trc(port->fcs, cthdr->exp_code);
2481         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2482 }
2483
2484 /*
2485 *  RPA : Register Port Attributes.
2486  */
2487 static void
2488 bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2489 {
2490         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2491         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2492         struct fchs_s fchs;
2493         u16        len, attr_len;
2494         struct bfa_fcxp_s *fcxp;
2495         u8        *pyld;
2496
2497         bfa_trc(port->fcs, port->port_cfg.pwwn);
2498
2499         fcxp = fcxp_alloced ? fcxp_alloced :
2500                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2501         if (!fcxp) {
2502                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2503                                 bfa_fcs_lport_fdmi_send_rpa, fdmi, BFA_TRUE);
2504                 return;
2505         }
2506         fdmi->fcxp = fcxp;
2507
2508         pyld = bfa_fcxp_get_reqbuf(fcxp);
2509         memset(pyld, 0, FC_MAX_PDUSZ);
2510
2511         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2512                                    FDMI_RPA);
2513
2514         attr_len = bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
2515                                 (u8 *) ((struct ct_hdr_s *) pyld + 1));
2516
2517         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2518                           FC_CLASS_3, len + attr_len, &fchs,
2519                           bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
2520                           FC_MAX_PDUSZ, FC_FCCT_TOV);
2521
2522         bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
2523 }
2524
2525 static          u16
2526 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2527 {
2528         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2529         struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
2530         u16        len;
2531
2532         rpa->port_name = bfa_fcs_lport_get_pwwn(port);
2533
2534         len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2535                                 (u8 *) &rpa->port_attr_blk);
2536
2537         len += sizeof(rpa->port_name);
2538
2539         return len;
2540 }
2541
2542 static void
2543 bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2544                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
2545                         u32 resid_len, struct fchs_s *rsp_fchs)
2546 {
2547         struct bfa_fcs_lport_fdmi_s *fdmi =
2548                                 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2549         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2550         struct ct_hdr_s *cthdr = NULL;
2551
2552         bfa_trc(port->fcs, port->port_cfg.pwwn);
2553
2554         /*
2555          * Sanity Checks
2556          */
2557         if (req_status != BFA_STATUS_OK) {
2558                 bfa_trc(port->fcs, req_status);
2559                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2560                 return;
2561         }
2562
2563         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2564         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2565
2566         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2567                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2568                 return;
2569         }
2570
2571         bfa_trc(port->fcs, cthdr->reason_code);
2572         bfa_trc(port->fcs, cthdr->exp_code);
2573         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2574 }
2575
2576 static void
2577 bfa_fcs_lport_fdmi_timeout(void *arg)
2578 {
2579         struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
2580
2581         bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
2582 }
2583
2584 static void
2585 bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2586                          struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
2587 {
2588         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2589         struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
2590         struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2591
2592         memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
2593
2594         bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
2595                                         hba_attr->manufacturer);
2596         bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
2597                                         hba_attr->serial_num);
2598         bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2599                                         hba_attr->model);
2600         bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2601                                         hba_attr->model_desc);
2602         bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
2603                                         hba_attr->hw_version);
2604         bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
2605                                         hba_attr->option_rom_ver);
2606         bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
2607                                         hba_attr->fw_version);
2608
2609         strncpy(hba_attr->driver_version, (char *)driver_info->version,
2610                 sizeof(hba_attr->driver_version));
2611
2612         strncpy(hba_attr->os_name, driver_info->host_os_name,
2613                 sizeof(hba_attr->os_name));
2614
2615         /*
2616          * If there is a patch level, append it
2617          * to the os name along with a separator
2618          */
2619         if (driver_info->host_os_patch[0] != '\0') {
2620                 strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
2621                         sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
2622                 strncat(hba_attr->os_name, driver_info->host_os_patch,
2623                                 sizeof(driver_info->host_os_patch));
2624         }
2625
2626         /* Retrieve the max frame size from the port attr */
2627         bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2628         hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
2629
2630         strncpy(hba_attr->node_sym_name.symname,
2631                 port->port_cfg.node_sym_name.symname, BFA_SYMNAME_MAXLEN);
2632         strcpy(hba_attr->vendor_info, "BROCADE");
2633         hba_attr->num_ports =
2634                 cpu_to_be32(bfa_ioc_get_nports(&port->fcs->bfa->ioc));
2635         hba_attr->fabric_name = port->fabric->lps->pr_nwwn;
2636         strncpy(hba_attr->bios_ver, hba_attr->option_rom_ver, BFA_VERSION_LEN);
2637
2638 }
2639
2640 static void
2641 bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2642                           struct bfa_fcs_fdmi_port_attr_s *port_attr)
2643 {
2644         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2645         struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
2646         struct bfa_port_attr_s pport_attr;
2647         struct bfa_lport_attr_s lport_attr;
2648
2649         memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
2650
2651         /*
2652          * get pport attributes from hal
2653          */
2654         bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
2655
2656         /*
2657          * get FC4 type Bitmask
2658          */
2659         fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
2660
2661         /*
2662          * Supported Speeds
2663          */
2664         switch (pport_attr.speed_supported) {
2665         case BFA_PORT_SPEED_16GBPS:
2666                 port_attr->supp_speed =
2667                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_16G);
2668                 break;
2669
2670         case BFA_PORT_SPEED_10GBPS:
2671                 port_attr->supp_speed =
2672                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_10G);
2673                 break;
2674
2675         case BFA_PORT_SPEED_8GBPS:
2676                 port_attr->supp_speed =
2677                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_8G);
2678                 break;
2679
2680         case BFA_PORT_SPEED_4GBPS:
2681                 port_attr->supp_speed =
2682                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_4G);
2683                 break;
2684
2685         default:
2686                 bfa_sm_fault(port->fcs, pport_attr.speed_supported);
2687         }
2688
2689         /*
2690          * Current Speed
2691          */
2692         port_attr->curr_speed = cpu_to_be32(
2693                                 bfa_fcs_fdmi_convert_speed(pport_attr.speed));
2694
2695         /*
2696          * Max PDU Size.
2697          */
2698         port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);
2699
2700         /*
2701          * OS device Name
2702          */
2703         strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name,
2704                 sizeof(port_attr->os_device_name));
2705
2706         /*
2707          * Host name
2708          */
2709         strncpy(port_attr->host_name, (char *)driver_info->host_machine_name,
2710                 sizeof(port_attr->host_name));
2711
2712         port_attr->node_name = bfa_fcs_lport_get_nwwn(port);
2713         port_attr->port_name = bfa_fcs_lport_get_pwwn(port);
2714
2715         strncpy(port_attr->port_sym_name.symname,
2716                 (char *)&bfa_fcs_lport_get_psym_name(port), BFA_SYMNAME_MAXLEN);
2717         bfa_fcs_lport_get_attr(port, &lport_attr);
2718         port_attr->port_type = cpu_to_be32(lport_attr.port_type);
2719         port_attr->scos = pport_attr.cos_supported;
2720         port_attr->port_fabric_name = port->fabric->lps->pr_nwwn;
2721         fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->port_act_fc4_type);
2722         port_attr->port_state = cpu_to_be32(pport_attr.port_state);
2723         port_attr->num_ports = cpu_to_be32(port->num_rports);
2724 }
2725
2726 /*
2727  * Convert BFA speed to FDMI format.
2728  */
2729 u32
2730 bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)
2731 {
2732         u32     ret;
2733
2734         switch (pport_speed) {
2735         case BFA_PORT_SPEED_1GBPS:
2736         case BFA_PORT_SPEED_2GBPS:
2737                 ret = pport_speed;
2738                 break;
2739
2740         case BFA_PORT_SPEED_4GBPS:
2741                 ret = FDMI_TRANS_SPEED_4G;
2742                 break;
2743
2744         case BFA_PORT_SPEED_8GBPS:
2745                 ret = FDMI_TRANS_SPEED_8G;
2746                 break;
2747
2748         case BFA_PORT_SPEED_10GBPS:
2749                 ret = FDMI_TRANS_SPEED_10G;
2750                 break;
2751
2752         case BFA_PORT_SPEED_16GBPS:
2753                 ret = FDMI_TRANS_SPEED_16G;
2754                 break;
2755
2756         default:
2757                 ret = FDMI_TRANS_SPEED_UNKNOWN;
2758         }
2759         return ret;
2760 }
2761
2762 void
2763 bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
2764 {
2765         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2766
2767         fdmi->ms = ms;
2768         if (ms->port->fcs->fdmi_enabled)
2769                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
2770         else
2771                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
2772 }
2773
2774 void
2775 bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
2776 {
2777         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2778
2779         fdmi->ms = ms;
2780         bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
2781 }
2782
2783 void
2784 bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
2785 {
2786         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2787
2788         fdmi->ms = ms;
2789         bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
2790 }
2791
2792 #define BFA_FCS_MS_CMD_MAX_RETRIES  2
2793
2794 /*
2795  * forward declarations
2796  */
2797 static void     bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
2798                                            struct bfa_fcxp_s *fcxp_alloced);
2799 static void     bfa_fcs_lport_ms_timeout(void *arg);
2800 static void     bfa_fcs_lport_ms_plogi_response(void *fcsarg,
2801                                                struct bfa_fcxp_s *fcxp,
2802                                                void *cbarg,
2803                                                bfa_status_t req_status,
2804                                                u32 rsp_len,
2805                                                u32 resid_len,
2806                                                struct fchs_s *rsp_fchs);
2807
2808 static void     bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
2809                                         struct bfa_fcxp_s *fcxp_alloced);
2810 static void     bfa_fcs_lport_ms_gmal_response(void *fcsarg,
2811                                                struct bfa_fcxp_s *fcxp,
2812                                                void *cbarg,
2813                                                bfa_status_t req_status,
2814                                                u32 rsp_len,
2815                                                u32 resid_len,
2816                                                struct fchs_s *rsp_fchs);
2817 static void     bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
2818                                         struct bfa_fcxp_s *fcxp_alloced);
2819 static void     bfa_fcs_lport_ms_gfn_response(void *fcsarg,
2820                                                struct bfa_fcxp_s *fcxp,
2821                                                void *cbarg,
2822                                                bfa_status_t req_status,
2823                                                u32 rsp_len,
2824                                                u32 resid_len,
2825                                                struct fchs_s *rsp_fchs);
2826 /*
2827  *  fcs_ms_sm FCS MS state machine
2828  */
2829
2830 /*
2831  *  MS State Machine events
2832  */
2833 enum port_ms_event {
2834         MSSM_EVENT_PORT_ONLINE = 1,
2835         MSSM_EVENT_PORT_OFFLINE = 2,
2836         MSSM_EVENT_RSP_OK = 3,
2837         MSSM_EVENT_RSP_ERROR = 4,
2838         MSSM_EVENT_TIMEOUT = 5,
2839         MSSM_EVENT_FCXP_SENT = 6,
2840         MSSM_EVENT_PORT_FABRIC_RSCN = 7
2841 };
2842
2843 static void     bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2844                                            enum port_ms_event event);
2845 static void     bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2846                                                  enum port_ms_event event);
2847 static void     bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2848                                          enum port_ms_event event);
2849 static void     bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2850                                                enum port_ms_event event);
2851 static void     bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2852                                                  enum port_ms_event event);
2853 static void     bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2854                                          enum port_ms_event event);
2855 static void     bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2856                                                enum port_ms_event event);
2857 static void     bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2858                                                  enum port_ms_event event);
2859 static void     bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2860                                          enum port_ms_event event);
2861 static void     bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2862                                                enum port_ms_event event);
2863 static void     bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2864                                           enum port_ms_event event);
2865 /*
2866  *      Start in offline state - awaiting NS to send start.
2867  */
2868 static void
2869 bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2870                                 enum port_ms_event event)
2871 {
2872         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2873         bfa_trc(ms->port->fcs, event);
2874
2875         switch (event) {
2876         case MSSM_EVENT_PORT_ONLINE:
2877                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2878                 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2879                 break;
2880
2881         case MSSM_EVENT_PORT_OFFLINE:
2882                 break;
2883
2884         default:
2885                 bfa_sm_fault(ms->port->fcs, event);
2886         }
2887 }
2888
2889 static void
2890 bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2891                                 enum port_ms_event event)
2892 {
2893         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2894         bfa_trc(ms->port->fcs, event);
2895
2896         switch (event) {
2897         case MSSM_EVENT_FCXP_SENT:
2898                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
2899                 break;
2900
2901         case MSSM_EVENT_PORT_OFFLINE:
2902                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2903                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2904                                            &ms->fcxp_wqe);
2905                 break;
2906
2907         default:
2908                 bfa_sm_fault(ms->port->fcs, event);
2909         }
2910 }
2911
2912 static void
2913 bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2914                         enum port_ms_event event)
2915 {
2916         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2917         bfa_trc(ms->port->fcs, event);
2918
2919         switch (event) {
2920         case MSSM_EVENT_RSP_ERROR:
2921                 /*
2922                  * Start timer for a delayed retry
2923                  */
2924                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
2925                 ms->port->stats.ms_retries++;
2926                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2927                                     &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2928                                     BFA_FCS_RETRY_TIMEOUT);
2929                 break;
2930
2931         case MSSM_EVENT_RSP_OK:
2932                 /*
2933                  * since plogi is done, now invoke MS related sub-modules
2934                  */
2935                 bfa_fcs_lport_fdmi_online(ms);
2936
2937                 /*
2938                  * if this is a Vport, go to online state.
2939                  */
2940                 if (ms->port->vport) {
2941                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2942                         break;
2943                 }
2944
2945                 /*
2946                  * For a base port we need to get the
2947                  * switch's IP address.
2948                  */
2949                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2950                 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2951                 break;
2952
2953         case MSSM_EVENT_PORT_OFFLINE:
2954                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2955                 bfa_fcxp_discard(ms->fcxp);
2956                 break;
2957
2958         default:
2959                 bfa_sm_fault(ms->port->fcs, event);
2960         }
2961 }
2962
2963 static void
2964 bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2965                         enum port_ms_event event)
2966 {
2967         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2968         bfa_trc(ms->port->fcs, event);
2969
2970         switch (event) {
2971         case MSSM_EVENT_TIMEOUT:
2972                 /*
2973                  * Retry Timer Expired. Re-send
2974                  */
2975                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2976                 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2977                 break;
2978
2979         case MSSM_EVENT_PORT_OFFLINE:
2980                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2981                 bfa_timer_stop(&ms->timer);
2982                 break;
2983
2984         default:
2985                 bfa_sm_fault(ms->port->fcs, event);
2986         }
2987 }
2988
2989 static void
2990 bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2991                         enum port_ms_event event)
2992 {
2993         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2994         bfa_trc(ms->port->fcs, event);
2995
2996         switch (event) {
2997         case MSSM_EVENT_PORT_OFFLINE:
2998                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2999                 break;
3000
3001         case MSSM_EVENT_PORT_FABRIC_RSCN:
3002                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3003                 ms->retry_cnt = 0;
3004                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3005                 break;
3006
3007         default:
3008                 bfa_sm_fault(ms->port->fcs, event);
3009         }
3010 }
3011
3012 static void
3013 bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
3014                                 enum port_ms_event event)
3015 {
3016         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3017         bfa_trc(ms->port->fcs, event);
3018
3019         switch (event) {
3020         case MSSM_EVENT_FCXP_SENT:
3021                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
3022                 break;
3023
3024         case MSSM_EVENT_PORT_OFFLINE:
3025                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3026                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3027                                            &ms->fcxp_wqe);
3028                 break;
3029
3030         default:
3031                 bfa_sm_fault(ms->port->fcs, event);
3032         }
3033 }
3034
3035 static void
3036 bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
3037                                 enum port_ms_event event)
3038 {
3039         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3040         bfa_trc(ms->port->fcs, event);
3041
3042         switch (event) {
3043         case MSSM_EVENT_RSP_ERROR:
3044                 /*
3045                  * Start timer for a delayed retry
3046                  */
3047                 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3048                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
3049                         ms->port->stats.ms_retries++;
3050                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3051                                 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
3052                                 BFA_FCS_RETRY_TIMEOUT);
3053                 } else {
3054                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3055                         bfa_fcs_lport_ms_send_gfn(ms, NULL);
3056                         ms->retry_cnt = 0;
3057                 }
3058                 break;
3059
3060         case MSSM_EVENT_RSP_OK:
3061                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3062                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3063                 break;
3064
3065         case MSSM_EVENT_PORT_OFFLINE:
3066                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3067                 bfa_fcxp_discard(ms->fcxp);
3068                 break;
3069
3070         default:
3071                 bfa_sm_fault(ms->port->fcs, event);
3072         }
3073 }
3074
3075 static void
3076 bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
3077                                 enum port_ms_event event)
3078 {
3079         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3080         bfa_trc(ms->port->fcs, event);
3081
3082         switch (event) {
3083         case MSSM_EVENT_TIMEOUT:
3084                 /*
3085                  * Retry Timer Expired. Re-send
3086                  */
3087                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
3088                 bfa_fcs_lport_ms_send_gmal(ms, NULL);
3089                 break;
3090
3091         case MSSM_EVENT_PORT_OFFLINE:
3092                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3093                 bfa_timer_stop(&ms->timer);
3094                 break;
3095
3096         default:
3097                 bfa_sm_fault(ms->port->fcs, event);
3098         }
3099 }
3100 /*
3101  *  ms_pvt MS local functions
3102  */
3103
3104 static void
3105 bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3106 {
3107         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3108         bfa_fcs_lport_t *port = ms->port;
3109         struct fchs_s   fchs;
3110         int             len;
3111         struct bfa_fcxp_s *fcxp;
3112
3113         bfa_trc(port->fcs, port->pid);
3114
3115         fcxp = fcxp_alloced ? fcxp_alloced :
3116                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3117         if (!fcxp) {
3118                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3119                                 bfa_fcs_lport_ms_send_gmal, ms, BFA_TRUE);
3120                 return;
3121         }
3122         ms->fcxp = fcxp;
3123
3124         len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3125                              bfa_fcs_lport_get_fcid(port),
3126                                  port->fabric->lps->pr_nwwn);
3127
3128         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3129                           FC_CLASS_3, len, &fchs,
3130                           bfa_fcs_lport_ms_gmal_response, (void *)ms,
3131                           FC_MAX_PDUSZ, FC_FCCT_TOV);
3132
3133         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3134 }
3135
3136 static void
3137 bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3138                                 void *cbarg, bfa_status_t req_status,
3139                                 u32 rsp_len, u32 resid_len,
3140                                 struct fchs_s *rsp_fchs)
3141 {
3142         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3143         bfa_fcs_lport_t *port = ms->port;
3144         struct ct_hdr_s         *cthdr = NULL;
3145         struct fcgs_gmal_resp_s *gmal_resp;
3146         struct fcgs_gmal_entry_s *gmal_entry;
3147         u32             num_entries;
3148         u8                      *rsp_str;
3149
3150         bfa_trc(port->fcs, req_status);
3151         bfa_trc(port->fcs, port->port_cfg.pwwn);
3152
3153         /*
3154          * Sanity Checks
3155          */
3156         if (req_status != BFA_STATUS_OK) {
3157                 bfa_trc(port->fcs, req_status);
3158                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3159                 return;
3160         }
3161
3162         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3163         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3164
3165         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3166                 gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
3167
3168                 num_entries = be32_to_cpu(gmal_resp->ms_len);
3169                 if (num_entries == 0) {
3170                         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3171                         return;
3172                 }
3173                 /*
3174                 * The response could contain multiple Entries.
3175                 * Entries for SNMP interface, etc.
3176                 * We look for the entry with a telnet prefix.
3177                 * First "http://" entry refers to IP addr
3178                 */
3179
3180                 gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
3181                 while (num_entries > 0) {
3182                         if (strncmp(gmal_entry->prefix,
3183                                 CT_GMAL_RESP_PREFIX_HTTP,
3184                                 sizeof(gmal_entry->prefix)) == 0) {
3185
3186                                 /*
3187                                 * if the IP address is terminating with a '/',
3188                                 * remove it.
3189                                 * Byte 0 consists of the length of the string.
3190                                 */
3191                                 rsp_str = &(gmal_entry->prefix[0]);
3192                                 if (rsp_str[gmal_entry->len-1] == '/')
3193                                         rsp_str[gmal_entry->len-1] = 0;
3194
3195                                 /* copy IP Address to fabric */
3196                                 strncpy(bfa_fcs_lport_get_fabric_ipaddr(port),
3197                                         gmal_entry->ip_addr,
3198                                         BFA_FCS_FABRIC_IPADDR_SZ);
3199                                 break;
3200                         } else {
3201                                 --num_entries;
3202                                 ++gmal_entry;
3203                         }
3204                 }
3205
3206                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3207                 return;
3208         }
3209
3210         bfa_trc(port->fcs, cthdr->reason_code);
3211         bfa_trc(port->fcs, cthdr->exp_code);
3212         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3213 }
3214
3215 static void
3216 bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
3217                         enum port_ms_event event)
3218 {
3219         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3220         bfa_trc(ms->port->fcs, event);
3221
3222         switch (event) {
3223         case MSSM_EVENT_FCXP_SENT:
3224                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
3225                 break;
3226
3227         case MSSM_EVENT_PORT_OFFLINE:
3228                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3229                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3230                                            &ms->fcxp_wqe);
3231                 break;
3232
3233         default:
3234                 bfa_sm_fault(ms->port->fcs, event);
3235         }
3236 }
3237
3238 static void
3239 bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
3240                         enum port_ms_event event)
3241 {
3242         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3243         bfa_trc(ms->port->fcs, event);
3244
3245         switch (event) {
3246         case MSSM_EVENT_RSP_ERROR:
3247                 /*
3248                  * Start timer for a delayed retry
3249                  */
3250                 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3251                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
3252                         ms->port->stats.ms_retries++;
3253                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3254                                 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
3255                                 BFA_FCS_RETRY_TIMEOUT);
3256                 } else {
3257                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3258                         ms->retry_cnt = 0;
3259                 }
3260                 break;
3261
3262         case MSSM_EVENT_RSP_OK:
3263                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3264                 break;
3265
3266         case MSSM_EVENT_PORT_OFFLINE:
3267                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3268                 bfa_fcxp_discard(ms->fcxp);
3269                 break;
3270
3271         default:
3272                 bfa_sm_fault(ms->port->fcs, event);
3273         }
3274 }
3275
3276 static void
3277 bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
3278                                 enum port_ms_event event)
3279 {
3280         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3281         bfa_trc(ms->port->fcs, event);
3282
3283         switch (event) {
3284         case MSSM_EVENT_TIMEOUT:
3285                 /*
3286                  * Retry Timer Expired. Re-send
3287                  */
3288                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3289                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3290                 break;
3291
3292         case MSSM_EVENT_PORT_OFFLINE:
3293                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3294                 bfa_timer_stop(&ms->timer);
3295                 break;
3296
3297         default:
3298                 bfa_sm_fault(ms->port->fcs, event);
3299         }
3300 }
3301 /*
3302  *  ms_pvt MS local functions
3303  */
3304
3305 static void
3306 bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3307 {
3308         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3309         bfa_fcs_lport_t *port = ms->port;
3310         struct fchs_s           fchs;
3311         int                     len;
3312         struct bfa_fcxp_s *fcxp;
3313
3314         bfa_trc(port->fcs, port->pid);
3315
3316         fcxp = fcxp_alloced ? fcxp_alloced :
3317                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3318         if (!fcxp) {
3319                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3320                                 bfa_fcs_lport_ms_send_gfn, ms, BFA_TRUE);
3321                 return;
3322         }
3323         ms->fcxp = fcxp;
3324
3325         len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3326                              bfa_fcs_lport_get_fcid(port),
3327                                  port->fabric->lps->pr_nwwn);
3328
3329         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3330                           FC_CLASS_3, len, &fchs,
3331                           bfa_fcs_lport_ms_gfn_response, (void *)ms,
3332                           FC_MAX_PDUSZ, FC_FCCT_TOV);
3333
3334         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3335 }
3336
3337 static void
3338 bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3339                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
3340                         u32 resid_len, struct fchs_s *rsp_fchs)
3341 {
3342         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3343         bfa_fcs_lport_t *port = ms->port;
3344         struct ct_hdr_s *cthdr = NULL;
3345         wwn_t          *gfn_resp;
3346
3347         bfa_trc(port->fcs, req_status);
3348         bfa_trc(port->fcs, port->port_cfg.pwwn);
3349
3350         /*
3351          * Sanity Checks
3352          */
3353         if (req_status != BFA_STATUS_OK) {
3354                 bfa_trc(port->fcs, req_status);
3355                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3356                 return;
3357         }
3358
3359         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3360         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3361
3362         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3363                 gfn_resp = (wwn_t *)(cthdr + 1);
3364                 /* check if it has actually changed */
3365                 if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
3366                                 gfn_resp, sizeof(wwn_t)) != 0)) {
3367                         bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
3368                 }
3369                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3370                 return;
3371         }
3372
3373         bfa_trc(port->fcs, cthdr->reason_code);
3374         bfa_trc(port->fcs, cthdr->exp_code);
3375         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3376 }
3377
3378 /*
3379  *  ms_pvt MS local functions
3380  */
3381
3382 static void
3383 bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3384 {
3385         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3386         struct bfa_fcs_lport_s *port = ms->port;
3387         struct fchs_s   fchs;
3388         int     len;
3389         struct bfa_fcxp_s *fcxp;
3390
3391         bfa_trc(port->fcs, port->pid);
3392
3393         fcxp = fcxp_alloced ? fcxp_alloced :
3394                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3395         if (!fcxp) {
3396                 port->stats.ms_plogi_alloc_wait++;
3397                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3398                                 bfa_fcs_lport_ms_send_plogi, ms, BFA_TRUE);
3399                 return;
3400         }
3401         ms->fcxp = fcxp;
3402
3403         len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3404                              bfa_hton3b(FC_MGMT_SERVER),
3405                              bfa_fcs_lport_get_fcid(port), 0,
3406                              port->port_cfg.pwwn, port->port_cfg.nwwn,
3407                              bfa_fcport_get_maxfrsize(port->fcs->bfa),
3408                              bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
3409
3410         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3411                           FC_CLASS_3, len, &fchs,
3412                           bfa_fcs_lport_ms_plogi_response, (void *)ms,
3413                           FC_MAX_PDUSZ, FC_ELS_TOV);
3414
3415         port->stats.ms_plogi_sent++;
3416         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3417 }
3418
3419 static void
3420 bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3421                         void *cbarg, bfa_status_t req_status,
3422                         u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
3423 {
3424         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3425         struct bfa_fcs_lport_s *port = ms->port;
3426         struct fc_els_cmd_s *els_cmd;
3427         struct fc_ls_rjt_s *ls_rjt;
3428
3429         bfa_trc(port->fcs, req_status);
3430         bfa_trc(port->fcs, port->port_cfg.pwwn);
3431
3432         /*
3433          * Sanity Checks
3434          */
3435         if (req_status != BFA_STATUS_OK) {
3436                 port->stats.ms_plogi_rsp_err++;
3437                 bfa_trc(port->fcs, req_status);
3438                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3439                 return;
3440         }
3441
3442         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
3443
3444         switch (els_cmd->els_code) {
3445
3446         case FC_ELS_ACC:
3447                 if (rsp_len < sizeof(struct fc_logi_s)) {
3448                         bfa_trc(port->fcs, rsp_len);
3449                         port->stats.ms_plogi_acc_err++;
3450                         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3451                         break;
3452                 }
3453                 port->stats.ms_plogi_accepts++;
3454                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3455                 break;
3456
3457         case FC_ELS_LS_RJT:
3458                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
3459
3460                 bfa_trc(port->fcs, ls_rjt->reason_code);
3461                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
3462
3463                 port->stats.ms_rejects++;
3464                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3465                 break;
3466
3467         default:
3468                 port->stats.ms_plogi_unknown_rsp++;
3469                 bfa_trc(port->fcs, els_cmd->els_code);
3470                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3471         }
3472 }
3473
3474 static void
3475 bfa_fcs_lport_ms_timeout(void *arg)
3476 {
3477         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
3478
3479         ms->port->stats.ms_timeouts++;
3480         bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
3481 }
3482
3483
3484 void
3485 bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
3486 {
3487         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3488
3489         ms->port = port;
3490         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3491
3492         /*
3493          * Invoke init routines of sub modules.
3494          */
3495         bfa_fcs_lport_fdmi_init(ms);
3496 }
3497
3498 void
3499 bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
3500 {
3501         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3502
3503         ms->port = port;
3504         bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
3505         bfa_fcs_lport_fdmi_offline(ms);
3506 }
3507
3508 void
3509 bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
3510 {
3511         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3512
3513         ms->port = port;
3514         bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
3515 }
3516 void
3517 bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
3518 {
3519         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3520
3521         /* todo.  Handle this only  when in Online state */
3522         if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
3523                 bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
3524 }
3525
3526 /*
3527  * @page ns_sm_info VPORT NS State Machine
3528  *
3529  * @section ns_sm_interactions VPORT NS State Machine Interactions
3530  *
3531  * @section ns_sm VPORT NS State Machine
3532  * img ns_sm.jpg
3533  */
3534
3535 /*
3536  * forward declarations
3537  */
3538 static void     bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
3539                                            struct bfa_fcxp_s *fcxp_alloced);
3540 static void     bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
3541                                              struct bfa_fcxp_s *fcxp_alloced);
3542 static void     bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
3543                                             struct bfa_fcxp_s *fcxp_alloced);
3544 static void     bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
3545                                             struct bfa_fcxp_s *fcxp_alloced);
3546 static void     bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
3547                                             struct bfa_fcxp_s *fcxp_alloced);
3548 static void     bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg,
3549                                         struct bfa_fcxp_s *fcxp_alloced);
3550 static void     bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg,
3551                                         struct bfa_fcxp_s *fcxp_alloced);
3552 static void     bfa_fcs_lport_ns_timeout(void *arg);
3553 static void     bfa_fcs_lport_ns_plogi_response(void *fcsarg,
3554                                                struct bfa_fcxp_s *fcxp,
3555                                                void *cbarg,
3556                                                bfa_status_t req_status,
3557                                                u32 rsp_len,
3558                                                u32 resid_len,
3559                                                struct fchs_s *rsp_fchs);
3560 static void     bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
3561                                                  struct bfa_fcxp_s *fcxp,
3562                                                  void *cbarg,
3563                                                  bfa_status_t req_status,
3564                                                  u32 rsp_len,
3565                                                  u32 resid_len,
3566                                                  struct fchs_s *rsp_fchs);
3567 static void     bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
3568                                                 struct bfa_fcxp_s *fcxp,
3569                                                 void *cbarg,
3570                                                 bfa_status_t req_status,
3571                                                 u32 rsp_len,
3572                                                 u32 resid_len,
3573                                                 struct fchs_s *rsp_fchs);
3574 static void     bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
3575                                                 struct bfa_fcxp_s *fcxp,
3576                                                 void *cbarg,
3577                                                 bfa_status_t req_status,
3578                                                 u32 rsp_len,
3579                                                 u32 resid_len,
3580                                                 struct fchs_s *rsp_fchs);
3581 static void     bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
3582                                                 struct bfa_fcxp_s *fcxp,
3583                                                 void *cbarg,
3584                                                 bfa_status_t req_status,
3585                                                 u32 rsp_len,
3586                                                 u32 resid_len,
3587                                                 struct fchs_s *rsp_fchs);
3588 static void     bfa_fcs_lport_ns_rnn_id_response(void *fcsarg,
3589                                                 struct bfa_fcxp_s *fcxp,
3590                                                 void *cbarg,
3591                                                 bfa_status_t req_status,
3592                                                 u32 rsp_len,
3593                                                 u32 resid_len,
3594                                                 struct fchs_s *rsp_fchs);
3595 static void     bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg,
3596                                                 struct bfa_fcxp_s *fcxp,
3597                                                 void *cbarg,
3598                                                 bfa_status_t req_status,
3599                                                 u32 rsp_len,
3600                                                 u32 resid_len,
3601                                                 struct fchs_s *rsp_fchs);
3602 static void     bfa_fcs_lport_ns_process_gidft_pids(
3603                                 struct bfa_fcs_lport_s *port,
3604                                 u32 *pid_buf, u32 n_pids);
3605
3606 static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
3607 /*
3608  *  fcs_ns_sm FCS nameserver interface state machine
3609  */
3610
3611 /*
3612  * VPort NS State Machine events
3613  */
3614 enum vport_ns_event {
3615         NSSM_EVENT_PORT_ONLINE = 1,
3616         NSSM_EVENT_PORT_OFFLINE = 2,
3617         NSSM_EVENT_PLOGI_SENT = 3,
3618         NSSM_EVENT_RSP_OK = 4,
3619         NSSM_EVENT_RSP_ERROR = 5,
3620         NSSM_EVENT_TIMEOUT = 6,
3621         NSSM_EVENT_NS_QUERY = 7,
3622         NSSM_EVENT_RSPNID_SENT = 8,
3623         NSSM_EVENT_RFTID_SENT = 9,
3624         NSSM_EVENT_RFFID_SENT = 10,
3625         NSSM_EVENT_GIDFT_SENT = 11,
3626         NSSM_EVENT_RNNID_SENT = 12,
3627         NSSM_EVENT_RSNN_NN_SENT = 13,
3628 };
3629
3630 static void     bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3631                                            enum vport_ns_event event);
3632 static void     bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3633                                                  enum vport_ns_event event);
3634 static void     bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3635                                          enum vport_ns_event event);
3636 static void     bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3637                                                enum vport_ns_event event);
3638 static void     bfa_fcs_lport_ns_sm_sending_rspn_id(
3639                                         struct bfa_fcs_lport_ns_s *ns,
3640                                         enum vport_ns_event event);
3641 static void     bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3642                                            enum vport_ns_event event);
3643 static void     bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3644                                                  enum vport_ns_event event);
3645 static void     bfa_fcs_lport_ns_sm_sending_rft_id(
3646                                         struct bfa_fcs_lport_ns_s *ns,
3647                                         enum vport_ns_event event);
3648 static void     bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3649                                                 enum vport_ns_event event);
3650 static void     bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3651                                           enum vport_ns_event event);
3652 static void     bfa_fcs_lport_ns_sm_sending_rff_id(
3653                                         struct bfa_fcs_lport_ns_s *ns,
3654                                         enum vport_ns_event event);
3655 static void     bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3656                                                 enum vport_ns_event event);
3657 static void     bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3658                                           enum vport_ns_event event);
3659 static void     bfa_fcs_lport_ns_sm_sending_gid_ft(
3660                                         struct bfa_fcs_lport_ns_s *ns,
3661                                         enum vport_ns_event event);
3662 static void     bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3663                                           enum vport_ns_event event);
3664 static void     bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3665                                                 enum vport_ns_event event);
3666 static void     bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3667                                           enum vport_ns_event event);
3668 static void     bfa_fcs_lport_ns_sm_sending_rnn_id(
3669                                         struct bfa_fcs_lport_ns_s *ns,
3670                                         enum vport_ns_event event);
3671 static void     bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3672                                         enum vport_ns_event event);
3673 static void     bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3674                                                 enum vport_ns_event event);
3675 static void     bfa_fcs_lport_ns_sm_sending_rsnn_nn(
3676                                         struct bfa_fcs_lport_ns_s *ns,
3677                                         enum vport_ns_event event);
3678 static void     bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3679                                                 enum vport_ns_event event);
3680 static void     bfa_fcs_lport_ns_sm_rsnn_nn_retry(
3681                                         struct bfa_fcs_lport_ns_s *ns,
3682                                         enum vport_ns_event event);
3683 /*
3684  *      Start in offline state - awaiting linkup
3685  */
3686 static void
3687 bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3688                         enum vport_ns_event event)
3689 {
3690         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3691         bfa_trc(ns->port->fcs, event);
3692
3693         switch (event) {
3694         case NSSM_EVENT_PORT_ONLINE:
3695                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3696                 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3697                 break;
3698
3699         case NSSM_EVENT_PORT_OFFLINE:
3700                 break;
3701
3702         default:
3703                 bfa_sm_fault(ns->port->fcs, event);
3704         }
3705 }
3706
3707 static void
3708 bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3709                         enum vport_ns_event event)
3710 {
3711         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3712         bfa_trc(ns->port->fcs, event);
3713
3714         switch (event) {
3715         case NSSM_EVENT_PLOGI_SENT:
3716                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
3717                 break;
3718
3719         case NSSM_EVENT_PORT_OFFLINE:
3720                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3721                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3722                                            &ns->fcxp_wqe);
3723                 break;
3724
3725         default:
3726                 bfa_sm_fault(ns->port->fcs, event);
3727         }
3728 }
3729
3730 static void
3731 bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3732                         enum vport_ns_event event)
3733 {
3734         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3735         bfa_trc(ns->port->fcs, event);
3736
3737         switch (event) {
3738         case NSSM_EVENT_RSP_ERROR:
3739                 /*
3740                  * Start timer for a delayed retry
3741                  */
3742                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
3743                 ns->port->stats.ns_retries++;
3744                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3745                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3746                                     BFA_FCS_RETRY_TIMEOUT);
3747                 break;
3748
3749         case NSSM_EVENT_RSP_OK:
3750                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3751                 ns->num_rnnid_retries = 0;
3752                 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3753                 break;
3754
3755         case NSSM_EVENT_PORT_OFFLINE:
3756                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3757                 bfa_fcxp_discard(ns->fcxp);
3758                 break;
3759
3760         default:
3761                 bfa_sm_fault(ns->port->fcs, event);
3762         }
3763 }
3764
3765 static void
3766 bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3767                                 enum vport_ns_event event)
3768 {
3769         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3770         bfa_trc(ns->port->fcs, event);
3771
3772         switch (event) {
3773         case NSSM_EVENT_TIMEOUT:
3774                 /*
3775                  * Retry Timer Expired. Re-send
3776                  */
3777                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3778                 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3779                 break;
3780
3781         case NSSM_EVENT_PORT_OFFLINE:
3782                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3783                 bfa_timer_stop(&ns->timer);
3784                 break;
3785
3786         default:
3787                 bfa_sm_fault(ns->port->fcs, event);
3788         }
3789 }
3790
3791 static void
3792 bfa_fcs_lport_ns_sm_sending_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3793                                         enum vport_ns_event event)
3794 {
3795         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3796         bfa_trc(ns->port->fcs, event);
3797
3798         switch (event) {
3799         case NSSM_EVENT_RNNID_SENT:
3800                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id);
3801                 break;
3802
3803         case NSSM_EVENT_PORT_OFFLINE:
3804                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3805                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3806                                                 &ns->fcxp_wqe);
3807                 break;
3808         default:
3809                 bfa_sm_fault(ns->port->fcs, event);
3810         }
3811 }
3812
3813 static void
3814 bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3815                                 enum vport_ns_event event)
3816 {
3817         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3818         bfa_trc(ns->port->fcs, event);
3819
3820         switch (event) {
3821         case NSSM_EVENT_RSP_OK:
3822                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3823                 ns->num_rnnid_retries = 0;
3824                 ns->num_rsnn_nn_retries = 0;
3825                 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3826                 break;
3827
3828         case NSSM_EVENT_RSP_ERROR:
3829                 if (ns->num_rnnid_retries < BFA_FCS_MAX_NS_RETRIES) {
3830                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id_retry);
3831                         ns->port->stats.ns_retries++;
3832                         ns->num_rnnid_retries++;
3833                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3834                                 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3835                                 BFA_FCS_RETRY_TIMEOUT);
3836                 } else {
3837                         bfa_sm_set_state(ns,
3838                                 bfa_fcs_lport_ns_sm_sending_rspn_id);
3839                         bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3840                 }
3841                 break;
3842
3843         case NSSM_EVENT_PORT_OFFLINE:
3844                 bfa_fcxp_discard(ns->fcxp);
3845                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3846                 break;
3847
3848         default:
3849                 bfa_sm_fault(ns->port->fcs, event);
3850         }
3851 }
3852
3853 static void
3854 bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3855                                 enum vport_ns_event event)
3856 {
3857         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3858         bfa_trc(ns->port->fcs, event);
3859
3860         switch (event) {
3861         case NSSM_EVENT_TIMEOUT:
3862                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3863                 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3864                 break;
3865
3866         case NSSM_EVENT_PORT_OFFLINE:
3867                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3868                 bfa_timer_stop(&ns->timer);
3869                 break;
3870
3871         default:
3872                 bfa_sm_fault(ns->port->fcs, event);
3873         }
3874 }
3875
3876 static void
3877 bfa_fcs_lport_ns_sm_sending_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3878                                         enum vport_ns_event event)
3879 {
3880         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3881         bfa_trc(ns->port->fcs, event);
3882
3883         switch (event) {
3884         case NSSM_EVENT_RSNN_NN_SENT:
3885                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn);
3886                 break;
3887
3888         case NSSM_EVENT_PORT_OFFLINE:
3889                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3890                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3891                         &ns->fcxp_wqe);
3892                 break;
3893
3894         default:
3895                 bfa_sm_fault(ns->port->fcs, event);
3896         }
3897 }
3898
3899 static void
3900 bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3901                                 enum vport_ns_event event)
3902 {
3903         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3904         bfa_trc(ns->port->fcs, event);
3905
3906         switch (event) {
3907         case NSSM_EVENT_RSP_OK:
3908                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3909                 ns->num_rsnn_nn_retries = 0;
3910                 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3911                 break;
3912
3913         case NSSM_EVENT_RSP_ERROR:
3914                 if (ns->num_rsnn_nn_retries < BFA_FCS_MAX_NS_RETRIES) {
3915                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn_retry);
3916                         ns->port->stats.ns_retries++;
3917                         ns->num_rsnn_nn_retries++;
3918                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3919                                         &ns->timer, bfa_fcs_lport_ns_timeout,
3920                                         ns, BFA_FCS_RETRY_TIMEOUT);
3921                 } else {
3922                         bfa_sm_set_state(ns,
3923                                 bfa_fcs_lport_ns_sm_sending_rspn_id);
3924                         bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3925                 }
3926                 break;
3927
3928         case NSSM_EVENT_PORT_OFFLINE:
3929                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3930                 bfa_fcxp_discard(ns->fcxp);
3931                 break;
3932
3933         default:
3934                 bfa_sm_fault(ns->port->fcs, event);
3935         }
3936 }
3937
3938 static void
3939 bfa_fcs_lport_ns_sm_rsnn_nn_retry(struct bfa_fcs_lport_ns_s *ns,
3940                                         enum vport_ns_event event)
3941 {
3942         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3943         bfa_trc(ns->port->fcs, event);
3944
3945         switch (event) {
3946         case NSSM_EVENT_TIMEOUT:
3947                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3948                 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3949                 break;
3950
3951         case NSSM_EVENT_PORT_OFFLINE:
3952                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3953                 bfa_timer_stop(&ns->timer);
3954                 break;
3955
3956         default:
3957                 bfa_sm_fault(ns->port->fcs, event);
3958         }
3959 }
3960
3961 static void
3962 bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3963                                    enum vport_ns_event event)
3964 {
3965         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3966         bfa_trc(ns->port->fcs, event);
3967
3968         switch (event) {
3969         case NSSM_EVENT_RSPNID_SENT:
3970                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
3971                 break;
3972
3973         case NSSM_EVENT_PORT_OFFLINE:
3974                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3975                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3976                                            &ns->fcxp_wqe);
3977                 break;
3978
3979         default:
3980                 bfa_sm_fault(ns->port->fcs, event);
3981         }
3982 }
3983
3984 static void
3985 bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3986                         enum vport_ns_event event)
3987 {
3988         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3989         bfa_trc(ns->port->fcs, event);
3990
3991         switch (event) {
3992         case NSSM_EVENT_RSP_ERROR:
3993                 /*
3994                  * Start timer for a delayed retry
3995                  */
3996                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
3997                 ns->port->stats.ns_retries++;
3998                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3999                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4000                                     BFA_FCS_RETRY_TIMEOUT);
4001                 break;
4002
4003         case NSSM_EVENT_RSP_OK:
4004                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
4005                 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
4006                 break;
4007
4008         case NSSM_EVENT_PORT_OFFLINE:
4009                 bfa_fcxp_discard(ns->fcxp);
4010                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4011                 break;
4012
4013         default:
4014                 bfa_sm_fault(ns->port->fcs, event);
4015         }
4016 }
4017
4018 static void
4019 bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
4020                                 enum vport_ns_event event)
4021 {
4022         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4023         bfa_trc(ns->port->fcs, event);
4024
4025         switch (event) {
4026         case NSSM_EVENT_TIMEOUT:
4027                 /*
4028                  * Retry Timer Expired. Re-send
4029                  */
4030                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
4031                 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
4032                 break;
4033
4034         case NSSM_EVENT_PORT_OFFLINE:
4035                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4036                 bfa_timer_stop(&ns->timer);
4037                 break;
4038
4039         default:
4040                 bfa_sm_fault(ns->port->fcs, event);
4041         }
4042 }
4043
4044 static void
4045 bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
4046                                   enum vport_ns_event event)
4047 {
4048         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4049         bfa_trc(ns->port->fcs, event);
4050
4051         switch (event) {
4052         case NSSM_EVENT_RFTID_SENT:
4053                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
4054                 break;
4055
4056         case NSSM_EVENT_PORT_OFFLINE:
4057                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4058                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4059                                            &ns->fcxp_wqe);
4060                 break;
4061
4062         default:
4063                 bfa_sm_fault(ns->port->fcs, event);
4064         }
4065 }
4066
4067 static void
4068 bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
4069                         enum vport_ns_event event)
4070 {
4071         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4072         bfa_trc(ns->port->fcs, event);
4073
4074         switch (event) {
4075         case NSSM_EVENT_RSP_OK:
4076                 /* Now move to register FC4 Features */
4077                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4078                 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4079                 break;
4080
4081         case NSSM_EVENT_RSP_ERROR:
4082                 /*
4083                  * Start timer for a delayed retry
4084                  */
4085                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
4086                 ns->port->stats.ns_retries++;
4087                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4088                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4089                                     BFA_FCS_RETRY_TIMEOUT);
4090                 break;
4091
4092         case NSSM_EVENT_PORT_OFFLINE:
4093                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4094                 bfa_fcxp_discard(ns->fcxp);
4095                 break;
4096
4097         default:
4098                 bfa_sm_fault(ns->port->fcs, event);
4099         }
4100 }
4101
4102 static void
4103 bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
4104                                 enum vport_ns_event event)
4105 {
4106         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4107         bfa_trc(ns->port->fcs, event);
4108
4109         switch (event) {
4110         case NSSM_EVENT_TIMEOUT:
4111                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
4112                 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
4113                 break;
4114
4115         case NSSM_EVENT_PORT_OFFLINE:
4116                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4117                 bfa_timer_stop(&ns->timer);
4118                 break;
4119
4120         default:
4121                 bfa_sm_fault(ns->port->fcs, event);
4122         }
4123 }
4124
4125 static void
4126 bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
4127                                   enum vport_ns_event event)
4128 {
4129         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4130         bfa_trc(ns->port->fcs, event);
4131
4132         switch (event) {
4133         case NSSM_EVENT_RFFID_SENT:
4134                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
4135                 break;
4136
4137         case NSSM_EVENT_PORT_OFFLINE:
4138                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4139                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4140                                            &ns->fcxp_wqe);
4141                 break;
4142
4143         default:
4144                 bfa_sm_fault(ns->port->fcs, event);
4145         }
4146 }
4147
4148 static void
4149 bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
4150                         enum vport_ns_event event)
4151 {
4152         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4153         bfa_trc(ns->port->fcs, event);
4154
4155         switch (event) {
4156         case NSSM_EVENT_RSP_OK:
4157
4158                 /*
4159                  * If min cfg mode is enabled, we donot initiate rport
4160                  * discovery with the fabric. Instead, we will retrieve the
4161                  * boot targets from HAL/FW.
4162                  */
4163                 if (__fcs_min_cfg(ns->port->fcs)) {
4164                         bfa_fcs_lport_ns_boot_target_disc(ns->port);
4165                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4166                         return;
4167                 }
4168
4169                 /*
4170                  * If the port role is Initiator Mode issue NS query.
4171                  * If it is Target Mode, skip this and go to online.
4172                  */
4173                 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4174                         bfa_sm_set_state(ns,
4175                                 bfa_fcs_lport_ns_sm_sending_gid_ft);
4176                         bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4177                 }
4178                 /*
4179                  * kick off mgmt srvr state machine
4180                  */
4181                 bfa_fcs_lport_ms_online(ns->port);
4182                 break;
4183
4184         case NSSM_EVENT_RSP_ERROR:
4185                 /*
4186                  * Start timer for a delayed retry
4187                  */
4188                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
4189                 ns->port->stats.ns_retries++;
4190                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4191                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4192                                     BFA_FCS_RETRY_TIMEOUT);
4193                 break;
4194
4195         case NSSM_EVENT_PORT_OFFLINE:
4196                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4197                 bfa_fcxp_discard(ns->fcxp);
4198                 break;
4199
4200         default:
4201                 bfa_sm_fault(ns->port->fcs, event);
4202         }
4203 }
4204
4205 static void
4206 bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
4207                                 enum vport_ns_event event)
4208 {
4209         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4210         bfa_trc(ns->port->fcs, event);
4211
4212         switch (event) {
4213         case NSSM_EVENT_TIMEOUT:
4214                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4215                 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4216                 break;
4217
4218         case NSSM_EVENT_PORT_OFFLINE:
4219                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4220                 bfa_timer_stop(&ns->timer);
4221                 break;
4222
4223         default:
4224                 bfa_sm_fault(ns->port->fcs, event);
4225         }
4226 }
4227 static void
4228 bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4229                                   enum vport_ns_event event)
4230 {
4231         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4232         bfa_trc(ns->port->fcs, event);
4233
4234         switch (event) {
4235         case NSSM_EVENT_GIDFT_SENT:
4236                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
4237                 break;
4238
4239         case NSSM_EVENT_PORT_OFFLINE:
4240                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4241                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4242                                            &ns->fcxp_wqe);
4243                 break;
4244
4245         default:
4246                 bfa_sm_fault(ns->port->fcs, event);
4247         }
4248 }
4249
4250 static void
4251 bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4252                         enum vport_ns_event event)
4253 {
4254         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4255         bfa_trc(ns->port->fcs, event);
4256
4257         switch (event) {
4258         case NSSM_EVENT_RSP_OK:
4259                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4260                 break;
4261
4262         case NSSM_EVENT_RSP_ERROR:
4263                 /*
4264                  * TBD: for certain reject codes, we don't need to retry
4265                  */
4266                 /*
4267                  * Start timer for a delayed retry
4268                  */
4269                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
4270                 ns->port->stats.ns_retries++;
4271                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4272                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4273                                     BFA_FCS_RETRY_TIMEOUT);
4274                 break;
4275
4276         case NSSM_EVENT_PORT_OFFLINE:
4277                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4278                 bfa_fcxp_discard(ns->fcxp);
4279                 break;
4280
4281         case  NSSM_EVENT_NS_QUERY:
4282                 break;
4283
4284         default:
4285                 bfa_sm_fault(ns->port->fcs, event);
4286         }
4287 }
4288
4289 static void
4290 bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
4291                                 enum vport_ns_event event)
4292 {
4293         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4294         bfa_trc(ns->port->fcs, event);
4295
4296         switch (event) {
4297         case NSSM_EVENT_TIMEOUT:
4298                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
4299                 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4300                 break;
4301
4302         case NSSM_EVENT_PORT_OFFLINE:
4303                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4304                 bfa_timer_stop(&ns->timer);
4305                 break;
4306
4307         default:
4308                 bfa_sm_fault(ns->port->fcs, event);
4309         }
4310 }
4311
4312 static void
4313 bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
4314                         enum vport_ns_event event)
4315 {
4316         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4317         bfa_trc(ns->port->fcs, event);
4318
4319         switch (event) {
4320         case NSSM_EVENT_PORT_OFFLINE:
4321                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4322                 break;
4323
4324         case NSSM_EVENT_NS_QUERY:
4325                 /*
4326                  * If the port role is Initiator Mode issue NS query.
4327                  * If it is Target Mode, skip this and go to online.
4328                  */
4329                 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4330                         bfa_sm_set_state(ns,
4331                                 bfa_fcs_lport_ns_sm_sending_gid_ft);
4332                         bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4333                 };
4334                 break;
4335
4336         default:
4337                 bfa_sm_fault(ns->port->fcs, event);
4338         }
4339 }
4340
4341
4342
4343 /*
4344  *  ns_pvt Nameserver local functions
4345  */
4346
4347 static void
4348 bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4349 {
4350         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4351         struct bfa_fcs_lport_s *port = ns->port;
4352         struct fchs_s fchs;
4353         int             len;
4354         struct bfa_fcxp_s *fcxp;
4355
4356         bfa_trc(port->fcs, port->pid);
4357
4358         fcxp = fcxp_alloced ? fcxp_alloced :
4359                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4360         if (!fcxp) {
4361                 port->stats.ns_plogi_alloc_wait++;
4362                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4363                                 bfa_fcs_lport_ns_send_plogi, ns, BFA_TRUE);
4364                 return;
4365         }
4366         ns->fcxp = fcxp;
4367
4368         len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4369                              bfa_hton3b(FC_NAME_SERVER),
4370                              bfa_fcs_lport_get_fcid(port), 0,
4371                              port->port_cfg.pwwn, port->port_cfg.nwwn,
4372                              bfa_fcport_get_maxfrsize(port->fcs->bfa),
4373                              bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
4374
4375         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4376                           FC_CLASS_3, len, &fchs,
4377                           bfa_fcs_lport_ns_plogi_response, (void *)ns,
4378                           FC_MAX_PDUSZ, FC_ELS_TOV);
4379         port->stats.ns_plogi_sent++;
4380
4381         bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
4382 }
4383
4384 static void
4385 bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4386                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
4387                        u32 resid_len, struct fchs_s *rsp_fchs)
4388 {
4389         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4390         struct bfa_fcs_lport_s *port = ns->port;
4391         /* struct fc_logi_s *plogi_resp; */
4392         struct fc_els_cmd_s *els_cmd;
4393         struct fc_ls_rjt_s *ls_rjt;
4394
4395         bfa_trc(port->fcs, req_status);
4396         bfa_trc(port->fcs, port->port_cfg.pwwn);
4397
4398         /*
4399          * Sanity Checks
4400          */
4401         if (req_status != BFA_STATUS_OK) {
4402                 bfa_trc(port->fcs, req_status);
4403                 port->stats.ns_plogi_rsp_err++;
4404                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4405                 return;
4406         }
4407
4408         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
4409
4410         switch (els_cmd->els_code) {
4411
4412         case FC_ELS_ACC:
4413                 if (rsp_len < sizeof(struct fc_logi_s)) {
4414                         bfa_trc(port->fcs, rsp_len);
4415                         port->stats.ns_plogi_acc_err++;
4416                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4417                         break;
4418                 }
4419                 port->stats.ns_plogi_accepts++;
4420                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4421                 break;
4422
4423         case FC_ELS_LS_RJT:
4424                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
4425
4426                 bfa_trc(port->fcs, ls_rjt->reason_code);
4427                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
4428
4429                 port->stats.ns_rejects++;
4430
4431                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4432                 break;
4433
4434         default:
4435                 port->stats.ns_plogi_unknown_rsp++;
4436                 bfa_trc(port->fcs, els_cmd->els_code);
4437                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4438         }
4439 }
4440
4441 /*
4442  * Register node name for port_id
4443  */
4444 static void
4445 bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4446 {
4447         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4448         struct bfa_fcs_lport_s *port = ns->port;
4449         struct fchs_s  fchs;
4450         int     len;
4451         struct bfa_fcxp_s *fcxp;
4452
4453         bfa_trc(port->fcs, port->port_cfg.pwwn);
4454
4455         fcxp = fcxp_alloced ? fcxp_alloced :
4456                         bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4457         if (!fcxp) {
4458                 port->stats.ns_rnnid_alloc_wait++;
4459                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4460                                 bfa_fcs_lport_ns_send_rnn_id, ns, BFA_TRUE);
4461                 return;
4462         }
4463
4464         ns->fcxp = fcxp;
4465
4466         len = fc_rnnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4467                                 bfa_fcs_lport_get_fcid(port),
4468                                 bfa_fcs_lport_get_fcid(port),
4469                                 bfa_fcs_lport_get_nwwn(port));
4470
4471         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4472                           FC_CLASS_3, len, &fchs,
4473                           bfa_fcs_lport_ns_rnn_id_response, (void *)ns,
4474                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4475
4476         port->stats.ns_rnnid_sent++;
4477         bfa_sm_send_event(ns, NSSM_EVENT_RNNID_SENT);
4478 }
4479
4480 static void
4481 bfa_fcs_lport_ns_rnn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4482                                 void *cbarg, bfa_status_t req_status,
4483                                 u32 rsp_len, u32 resid_len,
4484                                 struct fchs_s *rsp_fchs)
4485
4486 {
4487         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4488         struct bfa_fcs_lport_s *port = ns->port;
4489         struct ct_hdr_s *cthdr = NULL;
4490
4491         bfa_trc(port->fcs, port->port_cfg.pwwn);
4492
4493         /*
4494          * Sanity Checks
4495          */
4496         if (req_status != BFA_STATUS_OK) {
4497                 bfa_trc(port->fcs, req_status);
4498                 port->stats.ns_rnnid_rsp_err++;
4499                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4500                 return;
4501         }
4502
4503         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4504         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4505
4506         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4507                 port->stats.ns_rnnid_accepts++;
4508                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4509                 return;
4510         }
4511
4512         port->stats.ns_rnnid_rejects++;
4513         bfa_trc(port->fcs, cthdr->reason_code);
4514         bfa_trc(port->fcs, cthdr->exp_code);
4515         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4516 }
4517
4518 /*
4519  * Register the symbolic node name for a given node name.
4520  */
4521 static void
4522 bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4523 {
4524         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4525         struct bfa_fcs_lport_s *port = ns->port;
4526         struct fchs_s  fchs;
4527         int     len;
4528         struct bfa_fcxp_s *fcxp;
4529         u8 *nsymbl;
4530
4531         bfa_trc(port->fcs, port->port_cfg.pwwn);
4532
4533         fcxp = fcxp_alloced ? fcxp_alloced :
4534                         bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4535         if (!fcxp) {
4536                 port->stats.ns_rsnn_nn_alloc_wait++;
4537                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4538                                 bfa_fcs_lport_ns_send_rsnn_nn, ns, BFA_TRUE);
4539                 return;
4540         }
4541         ns->fcxp = fcxp;
4542
4543         nsymbl = (u8 *) &(bfa_fcs_lport_get_nsym_name(
4544                                         bfa_fcs_get_base_port(port->fcs)));
4545
4546         len = fc_rsnn_nn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4547                                 bfa_fcs_lport_get_fcid(port),
4548                                 bfa_fcs_lport_get_nwwn(port), nsymbl);
4549
4550         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4551                           FC_CLASS_3, len, &fchs,
4552                           bfa_fcs_lport_ns_rsnn_nn_response, (void *)ns,
4553                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4554
4555         port->stats.ns_rsnn_nn_sent++;
4556
4557         bfa_sm_send_event(ns, NSSM_EVENT_RSNN_NN_SENT);
4558 }
4559
4560 static void
4561 bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4562                                 void *cbarg, bfa_status_t req_status,
4563                                 u32 rsp_len, u32 resid_len,
4564                                 struct fchs_s *rsp_fchs)
4565 {
4566         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4567         struct bfa_fcs_lport_s *port = ns->port;
4568         struct ct_hdr_s *cthdr = NULL;
4569
4570         bfa_trc(port->fcs, port->port_cfg.pwwn);
4571
4572         /*
4573          * Sanity Checks
4574          */
4575         if (req_status != BFA_STATUS_OK) {
4576                 bfa_trc(port->fcs, req_status);
4577                 port->stats.ns_rsnn_nn_rsp_err++;
4578                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4579                 return;
4580         }
4581
4582         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4583         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4584
4585         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4586                 port->stats.ns_rsnn_nn_accepts++;
4587                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4588                 return;
4589         }
4590
4591         port->stats.ns_rsnn_nn_rejects++;
4592         bfa_trc(port->fcs, cthdr->reason_code);
4593         bfa_trc(port->fcs, cthdr->exp_code);
4594         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4595 }
4596
4597 /*
4598  * Register the symbolic port name.
4599  */
4600 static void
4601 bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4602 {
4603         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4604         struct bfa_fcs_lport_s *port = ns->port;
4605         struct fchs_s fchs;
4606         int             len;
4607         struct bfa_fcxp_s *fcxp;
4608         u8         symbl[256];
4609         u8         *psymbl = &symbl[0];
4610
4611         memset(symbl, 0, sizeof(symbl));
4612
4613         bfa_trc(port->fcs, port->port_cfg.pwwn);
4614
4615         fcxp = fcxp_alloced ? fcxp_alloced :
4616                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4617         if (!fcxp) {
4618                 port->stats.ns_rspnid_alloc_wait++;
4619                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4620                                 bfa_fcs_lport_ns_send_rspn_id, ns, BFA_TRUE);
4621                 return;
4622         }
4623         ns->fcxp = fcxp;
4624
4625         /*
4626          * for V-Port, form a Port Symbolic Name
4627          */
4628         if (port->vport) {
4629                 /*
4630                  * For Vports, we append the vport's port symbolic name
4631                  * to that of the base port.
4632                  */
4633
4634                 strncpy((char *)psymbl,
4635                         (char *) &
4636                         (bfa_fcs_lport_get_psym_name
4637                          (bfa_fcs_get_base_port(port->fcs))),
4638                         strlen((char *) &
4639                                bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
4640                                                           (port->fcs))));
4641
4642                 /* Ensure we have a null terminating string. */
4643                 ((char *)psymbl)[strlen((char *) &
4644                         bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
4645                                                 (port->fcs)))] = 0;
4646                 strncat((char *)psymbl,
4647                         (char *) &(bfa_fcs_lport_get_psym_name(port)),
4648                 strlen((char *) &bfa_fcs_lport_get_psym_name(port)));
4649         } else {
4650                 psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
4651         }
4652
4653         len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4654                               bfa_fcs_lport_get_fcid(port), 0, psymbl);
4655
4656         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4657                           FC_CLASS_3, len, &fchs,
4658                           bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
4659                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4660
4661         port->stats.ns_rspnid_sent++;
4662
4663         bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
4664 }
4665
4666 static void
4667 bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4668                                  void *cbarg, bfa_status_t req_status,
4669                                  u32 rsp_len, u32 resid_len,
4670                                  struct fchs_s *rsp_fchs)
4671 {
4672         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4673         struct bfa_fcs_lport_s *port = ns->port;
4674         struct ct_hdr_s *cthdr = NULL;
4675
4676         bfa_trc(port->fcs, port->port_cfg.pwwn);
4677
4678         /*
4679          * Sanity Checks
4680          */
4681         if (req_status != BFA_STATUS_OK) {
4682                 bfa_trc(port->fcs, req_status);
4683                 port->stats.ns_rspnid_rsp_err++;
4684                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4685                 return;
4686         }
4687
4688         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4689         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4690
4691         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4692                 port->stats.ns_rspnid_accepts++;
4693                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4694                 return;
4695         }
4696
4697         port->stats.ns_rspnid_rejects++;
4698         bfa_trc(port->fcs, cthdr->reason_code);
4699         bfa_trc(port->fcs, cthdr->exp_code);
4700         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4701 }
4702
4703 /*
4704  * Register FC4-Types
4705  */
4706 static void
4707 bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4708 {
4709         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4710         struct bfa_fcs_lport_s *port = ns->port;
4711         struct fchs_s fchs;
4712         int             len;
4713         struct bfa_fcxp_s *fcxp;
4714
4715         bfa_trc(port->fcs, port->port_cfg.pwwn);
4716
4717         fcxp = fcxp_alloced ? fcxp_alloced :
4718                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4719         if (!fcxp) {
4720                 port->stats.ns_rftid_alloc_wait++;
4721                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4722                                 bfa_fcs_lport_ns_send_rft_id, ns, BFA_TRUE);
4723                 return;
4724         }
4725         ns->fcxp = fcxp;
4726
4727         len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4728                      bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
4729
4730         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4731                           FC_CLASS_3, len, &fchs,
4732                           bfa_fcs_lport_ns_rft_id_response, (void *)ns,
4733                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4734
4735         port->stats.ns_rftid_sent++;
4736         bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
4737 }
4738
4739 static void
4740 bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4741                                 void *cbarg, bfa_status_t req_status,
4742                                 u32 rsp_len, u32 resid_len,
4743                                 struct fchs_s *rsp_fchs)
4744 {
4745         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4746         struct bfa_fcs_lport_s *port = ns->port;
4747         struct ct_hdr_s *cthdr = NULL;
4748
4749         bfa_trc(port->fcs, port->port_cfg.pwwn);
4750
4751         /*
4752          * Sanity Checks
4753          */
4754         if (req_status != BFA_STATUS_OK) {
4755                 bfa_trc(port->fcs, req_status);
4756                 port->stats.ns_rftid_rsp_err++;
4757                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4758                 return;
4759         }
4760
4761         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4762         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4763
4764         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4765                 port->stats.ns_rftid_accepts++;
4766                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4767                 return;
4768         }
4769
4770         port->stats.ns_rftid_rejects++;
4771         bfa_trc(port->fcs, cthdr->reason_code);
4772         bfa_trc(port->fcs, cthdr->exp_code);
4773         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4774 }
4775
4776 /*
4777  * Register FC4-Features : Should be done after RFT_ID
4778  */
4779 static void
4780 bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4781 {
4782         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4783         struct bfa_fcs_lport_s *port = ns->port;
4784         struct fchs_s fchs;
4785         int             len;
4786         struct bfa_fcxp_s *fcxp;
4787         u8                      fc4_ftrs = 0;
4788
4789         bfa_trc(port->fcs, port->port_cfg.pwwn);
4790
4791         fcxp = fcxp_alloced ? fcxp_alloced :
4792                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4793         if (!fcxp) {
4794                 port->stats.ns_rffid_alloc_wait++;
4795                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4796                                 bfa_fcs_lport_ns_send_rff_id, ns, BFA_TRUE);
4797                 return;
4798         }
4799         ns->fcxp = fcxp;
4800
4801         if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
4802                 fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
4803
4804         len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4805                              bfa_fcs_lport_get_fcid(port), 0,
4806                                  FC_TYPE_FCP, fc4_ftrs);
4807
4808         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4809                           FC_CLASS_3, len, &fchs,
4810                           bfa_fcs_lport_ns_rff_id_response, (void *)ns,
4811                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4812
4813         port->stats.ns_rffid_sent++;
4814         bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
4815 }
4816
4817 static void
4818 bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4819                                 void *cbarg, bfa_status_t req_status,
4820                                 u32 rsp_len, u32 resid_len,
4821                                 struct fchs_s *rsp_fchs)
4822 {
4823         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4824         struct bfa_fcs_lport_s *port = ns->port;
4825         struct ct_hdr_s *cthdr = NULL;
4826
4827         bfa_trc(port->fcs, port->port_cfg.pwwn);
4828
4829         /*
4830          * Sanity Checks
4831          */
4832         if (req_status != BFA_STATUS_OK) {
4833                 bfa_trc(port->fcs, req_status);
4834                 port->stats.ns_rffid_rsp_err++;
4835                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4836                 return;
4837         }
4838
4839         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4840         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4841
4842         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4843                 port->stats.ns_rffid_accepts++;
4844                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4845                 return;
4846         }
4847
4848         port->stats.ns_rffid_rejects++;
4849         bfa_trc(port->fcs, cthdr->reason_code);
4850         bfa_trc(port->fcs, cthdr->exp_code);
4851
4852         if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
4853                 /* if this command is not supported, we don't retry */
4854                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4855         } else
4856                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4857 }
4858 /*
4859  * Query Fabric for FC4-Types Devices.
4860  *
4861 * TBD : Need to use a local (FCS private) response buffer, since the response
4862  * can be larger than 2K.
4863  */
4864 static void
4865 bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4866 {
4867         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4868         struct bfa_fcs_lport_s *port = ns->port;
4869         struct fchs_s fchs;
4870         int             len;
4871         struct bfa_fcxp_s *fcxp;
4872
4873         bfa_trc(port->fcs, port->pid);
4874
4875         fcxp = fcxp_alloced ? fcxp_alloced :
4876                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4877         if (!fcxp) {
4878                 port->stats.ns_gidft_alloc_wait++;
4879                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4880                                 bfa_fcs_lport_ns_send_gid_ft, ns, BFA_TRUE);
4881                 return;
4882         }
4883         ns->fcxp = fcxp;
4884
4885         /*
4886          * This query is only initiated for FCP initiator mode.
4887          */
4888         len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4889                               ns->port->pid, FC_TYPE_FCP);
4890
4891         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4892                           FC_CLASS_3, len, &fchs,
4893                           bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
4894                           bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
4895
4896         port->stats.ns_gidft_sent++;
4897
4898         bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
4899 }
4900
4901 static void
4902 bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4903                                 void *cbarg, bfa_status_t req_status,
4904                                 u32 rsp_len, u32 resid_len,
4905                                 struct fchs_s *rsp_fchs)
4906 {
4907         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4908         struct bfa_fcs_lport_s *port = ns->port;
4909         struct ct_hdr_s *cthdr = NULL;
4910         u32        n_pids;
4911
4912         bfa_trc(port->fcs, port->port_cfg.pwwn);
4913
4914         /*
4915          * Sanity Checks
4916          */
4917         if (req_status != BFA_STATUS_OK) {
4918                 bfa_trc(port->fcs, req_status);
4919                 port->stats.ns_gidft_rsp_err++;
4920                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4921                 return;
4922         }
4923
4924         if (resid_len != 0) {
4925                 /*
4926                  * TBD : we will need to allocate a larger buffer & retry the
4927                  * command
4928                  */
4929                 bfa_trc(port->fcs, rsp_len);
4930                 bfa_trc(port->fcs, resid_len);
4931                 return;
4932         }
4933
4934         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4935         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4936
4937         switch (cthdr->cmd_rsp_code) {
4938
4939         case CT_RSP_ACCEPT:
4940
4941                 port->stats.ns_gidft_accepts++;
4942                 n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
4943                 bfa_trc(port->fcs, n_pids);
4944                 bfa_fcs_lport_ns_process_gidft_pids(port,
4945                                                    (u32 *) (cthdr + 1),
4946                                                    n_pids);
4947                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4948                 break;
4949
4950         case CT_RSP_REJECT:
4951
4952                 /*
4953                  * Check the reason code  & explanation.
4954                  * There may not have been any FC4 devices in the fabric
4955                  */
4956                 port->stats.ns_gidft_rejects++;
4957                 bfa_trc(port->fcs, cthdr->reason_code);
4958                 bfa_trc(port->fcs, cthdr->exp_code);
4959
4960                 if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
4961                     && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
4962
4963                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4964                 } else {
4965                         /*
4966                          * for all other errors, retry
4967                          */
4968                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4969                 }
4970                 break;
4971
4972         default:
4973                 port->stats.ns_gidft_unknown_rsp++;
4974                 bfa_trc(port->fcs, cthdr->cmd_rsp_code);
4975                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4976         }
4977 }
4978
4979 /*
4980  *     This routine will be called by bfa_timer on timer timeouts.
4981  *
4982  *      param[in]       port - pointer to bfa_fcs_lport_t.
4983  *
4984  *      return
4985  *              void
4986  *
4987  *      Special Considerations:
4988  *
4989  *      note
4990  */
4991 static void
4992 bfa_fcs_lport_ns_timeout(void *arg)
4993 {
4994         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
4995
4996         ns->port->stats.ns_timeouts++;
4997         bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
4998 }
4999
5000 /*
5001  * Process the PID list in GID_FT response
5002  */
5003 static void
5004 bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
5005                                    u32 n_pids)
5006 {
5007         struct fcgs_gidft_resp_s *gidft_entry;
5008         struct bfa_fcs_rport_s *rport;
5009         u32        ii;
5010         struct bfa_fcs_fabric_s *fabric = port->fabric;
5011         struct bfa_fcs_vport_s *vport;
5012         struct list_head *qe;
5013         u8 found = 0;
5014
5015         for (ii = 0; ii < n_pids; ii++) {
5016                 gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
5017
5018                 if (gidft_entry->pid == port->pid)
5019                         continue;
5020
5021                 /*
5022                  * Ignore PID if it is of base port
5023                  * (Avoid vports discovering base port as remote port)
5024                  */
5025                 if (gidft_entry->pid == fabric->bport.pid)
5026                         continue;
5027
5028                 /*
5029                  * Ignore PID if it is of vport created on the same base port
5030                  * (Avoid vport discovering every other vport created on the
5031                  * same port as remote port)
5032                  */
5033                 list_for_each(qe, &fabric->vport_q) {
5034                         vport = (struct bfa_fcs_vport_s *) qe;
5035                         if (vport->lport.pid == gidft_entry->pid)
5036                                 found = 1;
5037                 }
5038
5039                 if (found) {
5040                         found = 0;
5041                         continue;
5042                 }
5043
5044                 /*
5045                  * Check if this rport already exists
5046                  */
5047                 rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
5048                 if (rport == NULL) {
5049                         /*
5050                          * this is a new device. create rport
5051                          */
5052                         rport = bfa_fcs_rport_create(port, gidft_entry->pid);
5053                 } else {
5054                         /*
5055                          * this rport already exists
5056                          */
5057                         bfa_fcs_rport_scn(rport);
5058                 }
5059
5060                 bfa_trc(port->fcs, gidft_entry->pid);
5061
5062                 /*
5063                  * if the last entry bit is set, bail out.
5064                  */
5065                 if (gidft_entry->last)
5066                         return;
5067         }
5068 }
5069
5070 /*
5071  *  fcs_ns_public FCS nameserver public interfaces
5072  */
5073
5074 /*
5075  * Functions called by port/fab.
5076  * These will send relevant Events to the ns state machine.
5077  */
5078 void
5079 bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
5080 {
5081         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5082
5083         ns->port = port;
5084         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
5085 }
5086
5087 void
5088 bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
5089 {
5090         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5091
5092         ns->port = port;
5093         bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
5094 }
5095
5096 void
5097 bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
5098 {
5099         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5100
5101         ns->port = port;
5102         bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
5103 }
5104
5105 void
5106 bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
5107 {
5108         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5109
5110         bfa_trc(port->fcs, port->pid);
5111         if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_online))
5112                 bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
5113 }
5114
5115 static void
5116 bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
5117 {
5118
5119         struct bfa_fcs_rport_s *rport;
5120         u8 nwwns;
5121         wwn_t  wwns[BFA_PREBOOT_BOOTLUN_MAX];
5122         int ii;
5123
5124         bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
5125
5126         for (ii = 0 ; ii < nwwns; ++ii) {
5127                 rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
5128                 WARN_ON(!rport);
5129         }
5130 }
5131
5132 void
5133 bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
5134 {
5135         struct bfa_fcs_lport_ns_s *ns = cbarg;
5136         struct bfa_fcs_lport_s *port = ns->port;
5137         struct fchs_s fchs;
5138         struct bfa_fcxp_s *fcxp;
5139         u8 symbl[256];
5140         u8 *psymbl = &symbl[0];
5141         int len;
5142
5143         if (!bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
5144                 return;
5145
5146         /* Avoid sending RSPN in the following states. */
5147         if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) ||
5148             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) ||
5149             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi) ||
5150             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_retry) ||
5151             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry))
5152                 return;
5153
5154         memset(symbl, 0, sizeof(symbl));
5155         bfa_trc(port->fcs, port->port_cfg.pwwn);
5156
5157         fcxp = fcxp_alloced ? fcxp_alloced :
5158                bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5159         if (!fcxp) {
5160                 port->stats.ns_rspnid_alloc_wait++;
5161                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
5162                         bfa_fcs_lport_ns_util_send_rspn_id, ns, BFA_FALSE);
5163                 return;
5164         }
5165
5166         ns->fcxp = fcxp;
5167
5168         if (port->vport) {
5169                 /*
5170                  * For Vports, we append the vport's port symbolic name
5171                  * to that of the base port.
5172                  */
5173                 strncpy((char *)psymbl, (char *)&(bfa_fcs_lport_get_psym_name
5174                         (bfa_fcs_get_base_port(port->fcs))),
5175                         strlen((char *)&bfa_fcs_lport_get_psym_name(
5176                         bfa_fcs_get_base_port(port->fcs))));
5177
5178                 /* Ensure we have a null terminating string. */
5179                 ((char *)psymbl)[strlen((char *)&bfa_fcs_lport_get_psym_name(
5180                  bfa_fcs_get_base_port(port->fcs)))] = 0;
5181
5182                 strncat((char *)psymbl,
5183                         (char *)&(bfa_fcs_lport_get_psym_name(port)),
5184                         strlen((char *)&bfa_fcs_lport_get_psym_name(port)));
5185         }
5186
5187         len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5188                               bfa_fcs_lport_get_fcid(port), 0, psymbl);
5189
5190         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5191                       FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
5192
5193         port->stats.ns_rspnid_sent++;
5194 }
5195
5196 /*
5197  * FCS SCN
5198  */
5199
5200 #define FC_QOS_RSCN_EVENT               0x0c
5201 #define FC_FABRIC_NAME_RSCN_EVENT       0x0d
5202
5203 /*
5204  * forward declarations
5205  */
5206 static void     bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
5207                                           struct bfa_fcxp_s *fcxp_alloced);
5208 static void     bfa_fcs_lport_scn_scr_response(void *fcsarg,
5209                                               struct bfa_fcxp_s *fcxp,
5210                                               void *cbarg,
5211                                               bfa_status_t req_status,
5212                                               u32 rsp_len,
5213                                               u32 resid_len,
5214                                               struct fchs_s *rsp_fchs);
5215 static void     bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5216                                              struct fchs_s *rx_fchs);
5217 static void     bfa_fcs_lport_scn_timeout(void *arg);
5218
5219 /*
5220  *  fcs_scm_sm FCS SCN state machine
5221  */
5222
5223 /*
5224  * VPort SCN State Machine events
5225  */
5226 enum port_scn_event {
5227         SCNSM_EVENT_PORT_ONLINE = 1,
5228         SCNSM_EVENT_PORT_OFFLINE = 2,
5229         SCNSM_EVENT_RSP_OK = 3,
5230         SCNSM_EVENT_RSP_ERROR = 4,
5231         SCNSM_EVENT_TIMEOUT = 5,
5232         SCNSM_EVENT_SCR_SENT = 6,
5233 };
5234
5235 static void     bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5236                                             enum port_scn_event event);
5237 static void     bfa_fcs_lport_scn_sm_sending_scr(
5238                                         struct bfa_fcs_lport_scn_s *scn,
5239                                         enum port_scn_event event);
5240 static void     bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5241                                         enum port_scn_event event);
5242 static void     bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5243                                               enum port_scn_event event);
5244 static void     bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5245                                            enum port_scn_event event);
5246
5247 /*
5248  *      Starting state - awaiting link up.
5249  */
5250 static void
5251 bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5252                         enum port_scn_event event)
5253 {
5254         switch (event) {
5255         case SCNSM_EVENT_PORT_ONLINE:
5256                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5257                 bfa_fcs_lport_scn_send_scr(scn, NULL);
5258                 break;
5259
5260         case SCNSM_EVENT_PORT_OFFLINE:
5261                 break;
5262
5263         default:
5264                 bfa_sm_fault(scn->port->fcs, event);
5265         }
5266 }
5267
5268 static void
5269 bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
5270                                 enum port_scn_event event)
5271 {
5272         switch (event) {
5273         case SCNSM_EVENT_SCR_SENT:
5274                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
5275                 break;
5276
5277         case SCNSM_EVENT_PORT_OFFLINE:
5278                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5279                 bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
5280                 break;
5281
5282         default:
5283                 bfa_sm_fault(scn->port->fcs, event);
5284         }
5285 }
5286
5287 static void
5288 bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5289                         enum port_scn_event event)
5290 {
5291         struct bfa_fcs_lport_s *port = scn->port;
5292
5293         switch (event) {
5294         case SCNSM_EVENT_RSP_OK:
5295                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
5296                 break;
5297
5298         case SCNSM_EVENT_RSP_ERROR:
5299                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
5300                 bfa_timer_start(port->fcs->bfa, &scn->timer,
5301                                     bfa_fcs_lport_scn_timeout, scn,
5302                                     BFA_FCS_RETRY_TIMEOUT);
5303                 break;
5304
5305         case SCNSM_EVENT_PORT_OFFLINE:
5306                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5307                 bfa_fcxp_discard(scn->fcxp);
5308                 break;
5309
5310         default:
5311                 bfa_sm_fault(port->fcs, event);
5312         }
5313 }
5314
5315 static void
5316 bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5317                                 enum port_scn_event event)
5318 {
5319         switch (event) {
5320         case SCNSM_EVENT_TIMEOUT:
5321                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5322                 bfa_fcs_lport_scn_send_scr(scn, NULL);
5323                 break;
5324
5325         case SCNSM_EVENT_PORT_OFFLINE:
5326                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5327                 bfa_timer_stop(&scn->timer);
5328                 break;
5329
5330         default:
5331                 bfa_sm_fault(scn->port->fcs, event);
5332         }
5333 }
5334
5335 static void
5336 bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5337                         enum port_scn_event event)
5338 {
5339         switch (event) {
5340         case SCNSM_EVENT_PORT_OFFLINE:
5341                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5342                 break;
5343
5344         default:
5345                 bfa_sm_fault(scn->port->fcs, event);
5346         }
5347 }
5348
5349
5350
5351 /*
5352  *  fcs_scn_private FCS SCN private functions
5353  */
5354
5355 /*
5356  * This routine will be called to send a SCR command.
5357  */
5358 static void
5359 bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
5360 {
5361         struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
5362         struct bfa_fcs_lport_s *port = scn->port;
5363         struct fchs_s fchs;
5364         int             len;
5365         struct bfa_fcxp_s *fcxp;
5366
5367         bfa_trc(port->fcs, port->pid);
5368         bfa_trc(port->fcs, port->port_cfg.pwwn);
5369
5370         fcxp = fcxp_alloced ? fcxp_alloced :
5371                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
5372         if (!fcxp) {
5373                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
5374                                 bfa_fcs_lport_scn_send_scr, scn, BFA_TRUE);
5375                 return;
5376         }
5377         scn->fcxp = fcxp;
5378
5379         /* Handle VU registrations for Base port only */
5380         if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
5381                 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5382                                 port->fabric->lps->brcd_switch,
5383                                 port->pid, 0);
5384         } else {
5385             len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5386                                     BFA_FALSE,
5387                                     port->pid, 0);
5388         }
5389
5390         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5391                           FC_CLASS_3, len, &fchs,
5392                           bfa_fcs_lport_scn_scr_response,
5393                           (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
5394
5395         bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
5396 }
5397
5398 static void
5399 bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
5400                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
5401                               u32 resid_len, struct fchs_s *rsp_fchs)
5402 {
5403         struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
5404         struct bfa_fcs_lport_s *port = scn->port;
5405         struct fc_els_cmd_s *els_cmd;
5406         struct fc_ls_rjt_s *ls_rjt;
5407
5408         bfa_trc(port->fcs, port->port_cfg.pwwn);
5409
5410         /*
5411          * Sanity Checks
5412          */
5413         if (req_status != BFA_STATUS_OK) {
5414                 bfa_trc(port->fcs, req_status);
5415                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5416                 return;
5417         }
5418
5419         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
5420
5421         switch (els_cmd->els_code) {
5422
5423         case FC_ELS_ACC:
5424                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
5425                 break;
5426
5427         case FC_ELS_LS_RJT:
5428
5429                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
5430
5431                 bfa_trc(port->fcs, ls_rjt->reason_code);
5432                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
5433
5434                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5435                 break;
5436
5437         default:
5438                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5439         }
5440 }
5441
5442 /*
5443  * Send a LS Accept
5444  */
5445 static void
5446 bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5447                                 struct fchs_s *rx_fchs)
5448 {
5449         struct fchs_s fchs;
5450         struct bfa_fcxp_s *fcxp;
5451         struct bfa_rport_s *bfa_rport = NULL;
5452         int             len;
5453
5454         bfa_trc(port->fcs, rx_fchs->s_id);
5455
5456         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5457         if (!fcxp)
5458                 return;
5459
5460         len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5461                               rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
5462                               rx_fchs->ox_id);
5463
5464         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
5465                           BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
5466                           FC_MAX_PDUSZ, 0);
5467 }
5468
5469 /*
5470  *     This routine will be called by bfa_timer on timer timeouts.
5471  *
5472  *      param[in]       vport           - pointer to bfa_fcs_lport_t.
5473  *      param[out]      vport_status    - pointer to return vport status in
5474  *
5475  *      return
5476  *              void
5477  *
5478  *      Special Considerations:
5479  *
5480  *      note
5481  */
5482 static void
5483 bfa_fcs_lport_scn_timeout(void *arg)
5484 {
5485         struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
5486
5487         bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
5488 }
5489
5490
5491
5492 /*
5493  *  fcs_scn_public FCS state change notification public interfaces
5494  */
5495
5496 /*
5497  * Functions called by port/fab
5498  */
5499 void
5500 bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
5501 {
5502         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5503
5504         scn->port = port;
5505         bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5506 }
5507
5508 void
5509 bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
5510 {
5511         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5512
5513         scn->port = port;
5514         bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
5515 }
5516
5517 void
5518 bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *port)
5519 {
5520         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5521
5522         scn->port = port;
5523         bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
5524 }
5525
5526 static void
5527 bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
5528 {
5529         struct bfa_fcs_rport_s *rport;
5530         struct bfa_fcs_fabric_s *fabric = port->fabric;
5531         struct bfa_fcs_vport_s *vport;
5532         struct list_head *qe;
5533
5534         bfa_trc(port->fcs, rpid);
5535
5536         /*
5537          * Ignore PID if it is of base port or of vports created on the
5538          * same base port. It is to avoid vports discovering base port or
5539          * other vports created on same base port as remote port
5540          */
5541         if (rpid == fabric->bport.pid)
5542                 return;
5543
5544         list_for_each(qe, &fabric->vport_q) {
5545                 vport = (struct bfa_fcs_vport_s *) qe;
5546                 if (vport->lport.pid == rpid)
5547                         return;
5548         }
5549         /*
5550          * If this is an unknown device, then it just came online.
5551          * Otherwise let rport handle the RSCN event.
5552          */
5553         rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
5554         if (!rport)
5555                 rport = bfa_fcs_lport_get_rport_by_old_pid(port, rpid);
5556
5557         if (rport == NULL) {
5558                 /*
5559                  * If min cfg mode is enabled, we donot need to
5560                  * discover any new rports.
5561                  */
5562                 if (!__fcs_min_cfg(port->fcs))
5563                         rport = bfa_fcs_rport_create(port, rpid);
5564         } else
5565                 bfa_fcs_rport_scn(rport);
5566 }
5567
5568 /*
5569  * rscn format based PID comparison
5570  */
5571 #define __fc_pid_match(__c0, __c1, __fmt)               \
5572         (((__fmt) == FC_RSCN_FORMAT_FABRIC) ||          \
5573          (((__fmt) == FC_RSCN_FORMAT_DOMAIN) &&         \
5574           ((__c0)[0] == (__c1)[0])) ||                          \
5575          (((__fmt) == FC_RSCN_FORMAT_AREA) &&           \
5576           ((__c0)[0] == (__c1)[0]) &&                           \
5577           ((__c0)[1] == (__c1)[1])))
5578
5579 static void
5580 bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
5581                                 enum fc_rscn_format format,
5582                                 u32 rscn_pid)
5583 {
5584         struct bfa_fcs_rport_s *rport;
5585         struct list_head        *qe, *qe_next;
5586         u8        *c0, *c1;
5587
5588         bfa_trc(port->fcs, format);
5589         bfa_trc(port->fcs, rscn_pid);
5590
5591         c0 = (u8 *) &rscn_pid;
5592
5593         list_for_each_safe(qe, qe_next, &port->rport_q) {
5594                 rport = (struct bfa_fcs_rport_s *) qe;
5595                 c1 = (u8 *) &rport->pid;
5596                 if (__fc_pid_match(c0, c1, format))
5597                         bfa_fcs_rport_scn(rport);
5598         }
5599 }
5600
5601
5602 void
5603 bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
5604                         struct fchs_s *fchs, u32 len)
5605 {
5606         struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
5607         int             num_entries;
5608         u32        rscn_pid;
5609         bfa_boolean_t   nsquery = BFA_FALSE, found;
5610         int             i = 0, j;
5611
5612         num_entries =
5613                 (be16_to_cpu(rscn->payldlen) -
5614                  sizeof(u32)) / sizeof(rscn->event[0]);
5615
5616         bfa_trc(port->fcs, num_entries);
5617
5618         port->stats.num_rscn++;
5619
5620         bfa_fcs_lport_scn_send_ls_acc(port, fchs);
5621
5622         for (i = 0; i < num_entries; i++) {
5623                 rscn_pid = rscn->event[i].portid;
5624
5625                 bfa_trc(port->fcs, rscn->event[i].format);
5626                 bfa_trc(port->fcs, rscn_pid);
5627
5628                 /* check for duplicate entries in the list */
5629                 found = BFA_FALSE;
5630                 for (j = 0; j < i; j++) {
5631                         if (rscn->event[j].portid == rscn_pid) {
5632                                 found = BFA_TRUE;
5633                                 break;
5634                         }
5635                 }
5636
5637                 /* if found in down the list, pid has been already processed */
5638                 if (found) {
5639                         bfa_trc(port->fcs, rscn_pid);
5640                         continue;
5641                 }
5642
5643                 switch (rscn->event[i].format) {
5644                 case FC_RSCN_FORMAT_PORTID:
5645                         if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
5646                                 /*
5647                                  * Ignore this event.
5648                                  * f/w would have processed it
5649                                  */
5650                                 bfa_trc(port->fcs, rscn_pid);
5651                         } else {
5652                                 port->stats.num_portid_rscn++;
5653                                 bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
5654                         }
5655                 break;
5656
5657                 case FC_RSCN_FORMAT_FABRIC:
5658                         if (rscn->event[i].qualifier ==
5659                                         FC_FABRIC_NAME_RSCN_EVENT) {
5660                                 bfa_fcs_lport_ms_fabric_rscn(port);
5661                                 break;
5662                         }
5663                         /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */
5664
5665                 case FC_RSCN_FORMAT_AREA:
5666                 case FC_RSCN_FORMAT_DOMAIN:
5667                         nsquery = BFA_TRUE;
5668                         bfa_fcs_lport_scn_multiport_rscn(port,
5669                                                         rscn->event[i].format,
5670                                                         rscn_pid);
5671                         break;
5672
5673
5674                 default:
5675                         WARN_ON(1);
5676                         nsquery = BFA_TRUE;
5677                 }
5678         }
5679
5680         /*
5681          * If any of area, domain or fabric RSCN is received, do a fresh
5682          * discovery to find new devices.
5683          */
5684         if (nsquery)
5685                 bfa_fcs_lport_ns_query(port);
5686 }
5687
5688 /*
5689  * BFA FCS port
5690  */
5691 /*
5692  *  fcs_port_api BFA FCS port API
5693  */
5694 struct bfa_fcs_lport_s *
5695 bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
5696 {
5697         return &fcs->fabric.bport;
5698 }
5699
5700 wwn_t
5701 bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
5702                 int nrports, bfa_boolean_t bwwn)
5703 {
5704         struct list_head        *qh, *qe;
5705         struct bfa_fcs_rport_s *rport = NULL;
5706         int     i;
5707         struct bfa_fcs_s        *fcs;
5708
5709         if (port == NULL || nrports == 0)
5710                 return (wwn_t) 0;
5711
5712         fcs = port->fcs;
5713         bfa_trc(fcs, (u32) nrports);
5714
5715         i = 0;
5716         qh = &port->rport_q;
5717         qe = bfa_q_first(qh);
5718
5719         while ((qe != qh) && (i < nrports)) {
5720                 rport = (struct bfa_fcs_rport_s *) qe;
5721                 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5722                         qe = bfa_q_next(qe);
5723                         bfa_trc(fcs, (u32) rport->pwwn);
5724                         bfa_trc(fcs, rport->pid);
5725                         bfa_trc(fcs, i);
5726                         continue;
5727                 }
5728
5729                 if (bwwn) {
5730                         if (!memcmp(&wwn, &rport->pwwn, 8))
5731                                 break;
5732                 } else {
5733                         if (i == index)
5734                                 break;
5735                 }
5736
5737                 i++;
5738                 qe = bfa_q_next(qe);
5739         }
5740
5741         bfa_trc(fcs, i);
5742         if (rport)
5743                 return rport->pwwn;
5744         else
5745                 return (wwn_t) 0;
5746 }
5747
5748 void
5749 bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port,
5750                 struct bfa_rport_qualifier_s rports[], int *nrports)
5751 {
5752         struct list_head        *qh, *qe;
5753         struct bfa_fcs_rport_s *rport = NULL;
5754         int     i;
5755         struct bfa_fcs_s        *fcs;
5756
5757         if (port == NULL || rports == NULL || *nrports == 0)
5758                 return;
5759
5760         fcs = port->fcs;
5761         bfa_trc(fcs, (u32) *nrports);
5762
5763         i = 0;
5764         qh = &port->rport_q;
5765         qe = bfa_q_first(qh);
5766
5767         while ((qe != qh) && (i < *nrports)) {
5768                 rport = (struct bfa_fcs_rport_s *) qe;
5769                 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5770                         qe = bfa_q_next(qe);
5771                         bfa_trc(fcs, (u32) rport->pwwn);
5772                         bfa_trc(fcs, rport->pid);
5773                         bfa_trc(fcs, i);
5774                         continue;
5775                 }
5776
5777                 if (!rport->pwwn && !rport->pid) {
5778                         qe = bfa_q_next(qe);
5779                         continue;
5780                 }
5781
5782                 rports[i].pwwn = rport->pwwn;
5783                 rports[i].pid = rport->pid;
5784
5785                 i++;
5786                 qe = bfa_q_next(qe);
5787         }
5788
5789         bfa_trc(fcs, i);
5790         *nrports = i;
5791 }
5792
5793 /*
5794  * Iterate's through all the rport's in the given port to
5795  * determine the maximum operating speed.
5796  *
5797  * !!!! To be used in TRL Functionality only !!!!
5798  */
5799 bfa_port_speed_t
5800 bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
5801 {
5802         struct list_head *qh, *qe;
5803         struct bfa_fcs_rport_s *rport = NULL;
5804         struct bfa_fcs_s        *fcs;
5805         bfa_port_speed_t max_speed = 0;
5806         struct bfa_port_attr_s port_attr;
5807         bfa_port_speed_t port_speed, rport_speed;
5808         bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
5809
5810
5811         if (port == NULL)
5812                 return 0;
5813
5814         fcs = port->fcs;
5815
5816         /* Get Physical port's current speed */
5817         bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
5818         port_speed = port_attr.speed;
5819         bfa_trc(fcs, port_speed);
5820
5821         qh = &port->rport_q;
5822         qe = bfa_q_first(qh);
5823
5824         while (qe != qh) {
5825                 rport = (struct bfa_fcs_rport_s *) qe;
5826                 if ((bfa_ntoh3b(rport->pid) > 0xFFF000) ||
5827                         (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE) ||
5828                         (rport->scsi_function != BFA_RPORT_TARGET)) {
5829                         qe = bfa_q_next(qe);
5830                         continue;
5831                 }
5832
5833                 rport_speed = rport->rpf.rpsc_speed;
5834                 if ((trl_enabled) && (rport_speed ==
5835                         BFA_PORT_SPEED_UNKNOWN)) {
5836                         /* Use default ratelim speed setting */
5837                         rport_speed =
5838                                 bfa_fcport_get_ratelim_speed(port->fcs->bfa);
5839                 }
5840
5841                 if (rport_speed > max_speed)
5842                         max_speed = rport_speed;
5843
5844                 qe = bfa_q_next(qe);
5845         }
5846
5847         if (max_speed > port_speed)
5848                 max_speed = port_speed;
5849
5850         bfa_trc(fcs, max_speed);
5851         return max_speed;
5852 }
5853
5854 struct bfa_fcs_lport_s *
5855 bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
5856 {
5857         struct bfa_fcs_vport_s *vport;
5858         bfa_fcs_vf_t   *vf;
5859
5860         WARN_ON(fcs == NULL);
5861
5862         vf = bfa_fcs_vf_lookup(fcs, vf_id);
5863         if (vf == NULL) {
5864                 bfa_trc(fcs, vf_id);
5865                 return NULL;
5866         }
5867
5868         if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
5869                 return &vf->bport;
5870
5871         vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
5872         if (vport)
5873                 return &vport->lport;
5874
5875         return NULL;
5876 }
5877
5878 /*
5879  *  API corresponding to NPIV_VPORT_GETINFO.
5880  */
5881 void
5882 bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
5883          struct bfa_lport_info_s *port_info)
5884 {
5885
5886         bfa_trc(port->fcs, port->fabric->fabric_name);
5887
5888         if (port->vport == NULL) {
5889                 /*
5890                  * This is a Physical port
5891                  */
5892                 port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
5893
5894                 /*
5895                  * @todo : need to fix the state & reason
5896                  */
5897                 port_info->port_state = 0;
5898                 port_info->offline_reason = 0;
5899
5900                 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5901                 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5902
5903                 port_info->max_vports_supp =
5904                         bfa_lps_get_max_vport(port->fcs->bfa);
5905                 port_info->num_vports_inuse =
5906                         port->fabric->num_vports;
5907                 port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
5908                 port_info->num_rports_inuse = port->num_rports;
5909         } else {
5910                 /*
5911                  * This is a virtual port
5912                  */
5913                 port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
5914
5915                 /*
5916                  * @todo : need to fix the state & reason
5917                  */
5918                 port_info->port_state = 0;
5919                 port_info->offline_reason = 0;
5920
5921                 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5922                 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5923         }
5924 }
5925
5926 void
5927 bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
5928          struct bfa_lport_stats_s *port_stats)
5929 {
5930         *port_stats = fcs_port->stats;
5931 }
5932
5933 void
5934 bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
5935 {
5936         memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
5937 }
5938
5939 /*
5940  * Let new loop map create missing rports
5941  */
5942 void
5943 bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s *port)
5944 {
5945         bfa_fcs_lport_loop_online(port);
5946 }
5947
5948 /*
5949  * FCS virtual port state machine
5950  */
5951
5952 #define __vport_fcs(__vp)       ((__vp)->lport.fcs)
5953 #define __vport_pwwn(__vp)      ((__vp)->lport.port_cfg.pwwn)
5954 #define __vport_nwwn(__vp)      ((__vp)->lport.port_cfg.nwwn)
5955 #define __vport_bfa(__vp)       ((__vp)->lport.fcs->bfa)
5956 #define __vport_fcid(__vp)      ((__vp)->lport.pid)
5957 #define __vport_fabric(__vp)    ((__vp)->lport.fabric)
5958 #define __vport_vfid(__vp)      ((__vp)->lport.fabric->vf_id)
5959
5960 #define BFA_FCS_VPORT_MAX_RETRIES  5
5961 /*
5962  * Forward declarations
5963  */
5964 static void     bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
5965 static void     bfa_fcs_vport_timeout(void *vport_arg);
5966 static void     bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
5967 static void     bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
5968
5969 /*
5970  *  fcs_vport_sm FCS virtual port state machine
5971  */
5972
5973 /*
5974  * VPort State Machine events
5975  */
5976 enum bfa_fcs_vport_event {
5977         BFA_FCS_VPORT_SM_CREATE = 1,    /*  vport create event */
5978         BFA_FCS_VPORT_SM_DELETE = 2,    /*  vport delete event */
5979         BFA_FCS_VPORT_SM_START = 3,     /*  vport start request */
5980         BFA_FCS_VPORT_SM_STOP = 4,      /*  stop: unsupported */
5981         BFA_FCS_VPORT_SM_ONLINE = 5,    /*  fabric online */
5982         BFA_FCS_VPORT_SM_OFFLINE = 6,   /*  fabric offline event */
5983         BFA_FCS_VPORT_SM_FRMSENT = 7,   /*  fdisc/logo sent events */
5984         BFA_FCS_VPORT_SM_RSP_OK = 8,    /*  good response */
5985         BFA_FCS_VPORT_SM_RSP_ERROR = 9, /*  error/bad response */
5986         BFA_FCS_VPORT_SM_TIMEOUT = 10,  /*  delay timer event */
5987         BFA_FCS_VPORT_SM_DELCOMP = 11,  /*  lport delete completion */
5988         BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12,      /*  Dup wnn error*/
5989         BFA_FCS_VPORT_SM_RSP_FAILED = 13,       /*  non-retryable failure */
5990         BFA_FCS_VPORT_SM_STOPCOMP = 14, /* vport delete completion */
5991         BFA_FCS_VPORT_SM_FABRIC_MAX = 15, /* max vports on fabric */
5992 };
5993
5994 static void     bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
5995                                         enum bfa_fcs_vport_event event);
5996 static void     bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
5997                                          enum bfa_fcs_vport_event event);
5998 static void     bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
5999                                          enum bfa_fcs_vport_event event);
6000 static void     bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
6001                                        enum bfa_fcs_vport_event event);
6002 static void     bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6003                                              enum bfa_fcs_vport_event event);
6004 static void     bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6005                                         enum bfa_fcs_vport_event event);
6006 static void     bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6007                                         enum bfa_fcs_vport_event event);
6008 static void     bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6009                                           enum bfa_fcs_vport_event event);
6010 static void     bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6011                                          enum bfa_fcs_vport_event event);
6012 static void     bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6013                                       enum bfa_fcs_vport_event event);
6014 static void     bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6015                                       enum bfa_fcs_vport_event event);
6016 static void     bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6017                                         enum bfa_fcs_vport_event event);
6018 static void     bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6019                                         enum bfa_fcs_vport_event event);
6020
6021 static struct bfa_sm_table_s  vport_sm_table[] = {
6022         {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
6023         {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
6024         {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
6025         {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
6026         {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
6027         {BFA_SM(bfa_fcs_vport_sm_fdisc_rsp_wait), BFA_FCS_VPORT_FDISC_RSP_WAIT},
6028         {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
6029         {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
6030         {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
6031         {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
6032         {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
6033 };
6034
6035 /*
6036  * Beginning state.
6037  */
6038 static void
6039 bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
6040                         enum bfa_fcs_vport_event event)
6041 {
6042         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6043         bfa_trc(__vport_fcs(vport), event);
6044
6045         switch (event) {
6046         case BFA_FCS_VPORT_SM_CREATE:
6047                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6048                 bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
6049                 break;
6050
6051         default:
6052                 bfa_sm_fault(__vport_fcs(vport), event);
6053         }
6054 }
6055
6056 /*
6057  * Created state - a start event is required to start up the state machine.
6058  */
6059 static void
6060 bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
6061                         enum bfa_fcs_vport_event event)
6062 {
6063         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6064         bfa_trc(__vport_fcs(vport), event);
6065
6066         switch (event) {
6067         case BFA_FCS_VPORT_SM_START:
6068                 if (bfa_sm_cmp_state(__vport_fabric(vport),
6069                                         bfa_fcs_fabric_sm_online)
6070                     && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
6071                         bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6072                         bfa_fcs_vport_do_fdisc(vport);
6073                 } else {
6074                         /*
6075                          * Fabric is offline or not NPIV capable, stay in
6076                          * offline state.
6077                          */
6078                         vport->vport_stats.fab_no_npiv++;
6079                         bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6080                 }
6081                 break;
6082
6083         case BFA_FCS_VPORT_SM_DELETE:
6084                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6085                 bfa_fcs_lport_delete(&vport->lport);
6086                 break;
6087
6088         case BFA_FCS_VPORT_SM_ONLINE:
6089         case BFA_FCS_VPORT_SM_OFFLINE:
6090                 /*
6091                  * Ignore ONLINE/OFFLINE events from fabric
6092                  * till vport is started.
6093                  */
6094                 break;
6095
6096         default:
6097                 bfa_sm_fault(__vport_fcs(vport), event);
6098         }
6099 }
6100
6101 /*
6102  * Offline state - awaiting ONLINE event from fabric SM.
6103  */
6104 static void
6105 bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
6106                         enum bfa_fcs_vport_event event)
6107 {
6108         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6109         bfa_trc(__vport_fcs(vport), event);
6110
6111         switch (event) {
6112         case BFA_FCS_VPORT_SM_DELETE:
6113                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6114                 bfa_fcs_lport_delete(&vport->lport);
6115                 break;
6116
6117         case BFA_FCS_VPORT_SM_ONLINE:
6118                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6119                 vport->fdisc_retries = 0;
6120                 bfa_fcs_vport_do_fdisc(vport);
6121                 break;
6122
6123         case BFA_FCS_VPORT_SM_STOP:
6124                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6125                 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6126                 break;
6127
6128         case BFA_FCS_VPORT_SM_OFFLINE:
6129                 /*
6130                  * This can happen if the vport couldn't be initialzied
6131                  * due the fact that the npiv was not enabled on the switch.
6132                  * In that case we will put the vport in offline state.
6133                  * However, the link can go down and cause the this event to
6134                  * be sent when we are already offline. Ignore it.
6135                  */
6136                 break;
6137
6138         default:
6139                 bfa_sm_fault(__vport_fcs(vport), event);
6140         }
6141 }
6142
6143
6144 /*
6145  * FDISC is sent and awaiting reply from fabric.
6146  */
6147 static void
6148 bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
6149                         enum bfa_fcs_vport_event event)
6150 {
6151         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6152         bfa_trc(__vport_fcs(vport), event);
6153
6154         switch (event) {
6155         case BFA_FCS_VPORT_SM_DELETE:
6156                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_rsp_wait);
6157                 break;
6158
6159         case BFA_FCS_VPORT_SM_OFFLINE:
6160                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6161                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6162                 break;
6163
6164         case BFA_FCS_VPORT_SM_RSP_OK:
6165                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
6166                 bfa_fcs_lport_online(&vport->lport);
6167                 break;
6168
6169         case BFA_FCS_VPORT_SM_RSP_ERROR:
6170                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
6171                 bfa_timer_start(__vport_bfa(vport), &vport->timer,
6172                                     bfa_fcs_vport_timeout, vport,
6173                                     BFA_FCS_RETRY_TIMEOUT);
6174                 break;
6175
6176         case BFA_FCS_VPORT_SM_RSP_FAILED:
6177         case BFA_FCS_VPORT_SM_FABRIC_MAX:
6178                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6179                 break;
6180
6181         case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6182                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
6183                 break;
6184
6185         default:
6186                 bfa_sm_fault(__vport_fcs(vport), event);
6187         }
6188 }
6189
6190 /*
6191  * FDISC attempt failed - a timer is active to retry FDISC.
6192  */
6193 static void
6194 bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6195                              enum bfa_fcs_vport_event event)
6196 {
6197         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6198         bfa_trc(__vport_fcs(vport), event);
6199
6200         switch (event) {
6201         case BFA_FCS_VPORT_SM_DELETE:
6202                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6203                 bfa_timer_stop(&vport->timer);
6204                 bfa_fcs_lport_delete(&vport->lport);
6205                 break;
6206
6207         case BFA_FCS_VPORT_SM_OFFLINE:
6208                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6209                 bfa_timer_stop(&vport->timer);
6210                 break;
6211
6212         case BFA_FCS_VPORT_SM_TIMEOUT:
6213                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6214                 vport->vport_stats.fdisc_retries++;
6215                 vport->fdisc_retries++;
6216                 bfa_fcs_vport_do_fdisc(vport);
6217                 break;
6218
6219         default:
6220                 bfa_sm_fault(__vport_fcs(vport), event);
6221         }
6222 }
6223
6224 /*
6225  * FDISC is in progress and we got a vport delete request -
6226  * this is a wait state while we wait for fdisc response and
6227  * we will transition to the appropriate state - on rsp status.
6228  */
6229 static void
6230 bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6231                                 enum bfa_fcs_vport_event event)
6232 {
6233         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6234         bfa_trc(__vport_fcs(vport), event);
6235
6236         switch (event) {
6237         case BFA_FCS_VPORT_SM_RSP_OK:
6238                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6239                 bfa_fcs_lport_delete(&vport->lport);
6240                 break;
6241
6242         case BFA_FCS_VPORT_SM_DELETE:
6243                 break;
6244
6245         case BFA_FCS_VPORT_SM_OFFLINE:
6246         case BFA_FCS_VPORT_SM_RSP_ERROR:
6247         case BFA_FCS_VPORT_SM_RSP_FAILED:
6248         case BFA_FCS_VPORT_SM_FABRIC_MAX:
6249         case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6250                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6251                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6252                 bfa_fcs_lport_delete(&vport->lport);
6253                 break;
6254
6255         default:
6256                 bfa_sm_fault(__vport_fcs(vport), event);
6257         }
6258 }
6259
6260 /*
6261  * Vport is online (FDISC is complete).
6262  */
6263 static void
6264 bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6265                         enum bfa_fcs_vport_event event)
6266 {
6267         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6268         bfa_trc(__vport_fcs(vport), event);
6269
6270         switch (event) {
6271         case BFA_FCS_VPORT_SM_DELETE:
6272                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6273                 bfa_fcs_lport_delete(&vport->lport);
6274                 break;
6275
6276         case BFA_FCS_VPORT_SM_STOP:
6277                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_stopping);
6278                 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6279                 break;
6280
6281         case BFA_FCS_VPORT_SM_OFFLINE:
6282                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6283                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6284                 bfa_fcs_lport_offline(&vport->lport);
6285                 break;
6286
6287         default:
6288                 bfa_sm_fault(__vport_fcs(vport), event);
6289         }
6290 }
6291
6292 /*
6293  * Vport is being stopped - awaiting lport stop completion to send
6294  * LOGO to fabric.
6295  */
6296 static void
6297 bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6298                           enum bfa_fcs_vport_event event)
6299 {
6300         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6301         bfa_trc(__vport_fcs(vport), event);
6302
6303         switch (event) {
6304         case BFA_FCS_VPORT_SM_STOPCOMP:
6305                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo_for_stop);
6306                 bfa_fcs_vport_do_logo(vport);
6307                 break;
6308
6309         case BFA_FCS_VPORT_SM_OFFLINE:
6310                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6311                 break;
6312
6313         default:
6314                 bfa_sm_fault(__vport_fcs(vport), event);
6315         }
6316 }
6317
6318 /*
6319  * Vport is being deleted - awaiting lport delete completion to send
6320  * LOGO to fabric.
6321  */
6322 static void
6323 bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6324                         enum bfa_fcs_vport_event event)
6325 {
6326         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6327         bfa_trc(__vport_fcs(vport), event);
6328
6329         switch (event) {
6330         case BFA_FCS_VPORT_SM_DELETE:
6331                 break;
6332
6333         case BFA_FCS_VPORT_SM_DELCOMP:
6334                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
6335                 bfa_fcs_vport_do_logo(vport);
6336                 break;
6337
6338         case BFA_FCS_VPORT_SM_OFFLINE:
6339                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6340                 break;
6341
6342         default:
6343                 bfa_sm_fault(__vport_fcs(vport), event);
6344         }
6345 }
6346
6347 /*
6348  * Error State.
6349  * This state will be set when the Vport Creation fails due
6350  * to errors like Dup WWN. In this state only operation allowed
6351  * is a Vport Delete.
6352  */
6353 static void
6354 bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6355                         enum bfa_fcs_vport_event event)
6356 {
6357         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6358         bfa_trc(__vport_fcs(vport), event);
6359
6360         switch (event) {
6361         case BFA_FCS_VPORT_SM_DELETE:
6362                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6363                 bfa_fcs_lport_delete(&vport->lport);
6364                 break;
6365
6366         default:
6367                 bfa_trc(__vport_fcs(vport), event);
6368         }
6369 }
6370
6371 /*
6372  * Lport cleanup is in progress since vport is being deleted. Fabric is
6373  * offline, so no LOGO is needed to complete vport deletion.
6374  */
6375 static void
6376 bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6377                         enum bfa_fcs_vport_event event)
6378 {
6379         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6380         bfa_trc(__vport_fcs(vport), event);
6381
6382         switch (event) {
6383         case BFA_FCS_VPORT_SM_DELCOMP:
6384                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6385                 bfa_fcs_vport_free(vport);
6386                 break;
6387
6388         case BFA_FCS_VPORT_SM_STOPCOMP:
6389                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6390                 break;
6391
6392         case BFA_FCS_VPORT_SM_DELETE:
6393                 break;
6394
6395         default:
6396                 bfa_sm_fault(__vport_fcs(vport), event);
6397         }
6398 }
6399
6400 /*
6401  * LOGO is sent to fabric. Vport stop is in progress. Lport stop cleanup
6402  * is done.
6403  */
6404 static void
6405 bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6406                                enum bfa_fcs_vport_event event)
6407 {
6408         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6409         bfa_trc(__vport_fcs(vport), event);
6410
6411         switch (event) {
6412         case BFA_FCS_VPORT_SM_OFFLINE:
6413                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6414                 /*
6415                  * !!! fall through !!!
6416                  */
6417
6418         case BFA_FCS_VPORT_SM_RSP_OK:
6419         case BFA_FCS_VPORT_SM_RSP_ERROR:
6420                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6421                 break;
6422
6423         default:
6424                 bfa_sm_fault(__vport_fcs(vport), event);
6425         }
6426 }
6427
6428 /*
6429  * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
6430  * is done.
6431  */
6432 static void
6433 bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6434                         enum bfa_fcs_vport_event event)
6435 {
6436         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6437         bfa_trc(__vport_fcs(vport), event);
6438
6439         switch (event) {
6440         case BFA_FCS_VPORT_SM_OFFLINE:
6441                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6442                 /*
6443                  * !!! fall through !!!
6444                  */
6445
6446         case BFA_FCS_VPORT_SM_RSP_OK:
6447         case BFA_FCS_VPORT_SM_RSP_ERROR:
6448                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6449                 bfa_fcs_vport_free(vport);
6450                 break;
6451
6452         case BFA_FCS_VPORT_SM_DELETE:
6453                 break;
6454
6455         default:
6456                 bfa_sm_fault(__vport_fcs(vport), event);
6457         }
6458 }
6459
6460
6461
6462 /*
6463  *  fcs_vport_private FCS virtual port private functions
6464  */
6465 /*
6466  * Send AEN notification
6467  */
6468 static void
6469 bfa_fcs_vport_aen_post(struct bfa_fcs_lport_s *port,
6470                        enum bfa_lport_aen_event event)
6471 {
6472         struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
6473         struct bfa_aen_entry_s  *aen_entry;
6474
6475         bfad_get_aen_entry(bfad, aen_entry);
6476         if (!aen_entry)
6477                 return;
6478
6479         aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
6480         aen_entry->aen_data.lport.roles = port->port_cfg.roles;
6481         aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
6482                                         bfa_fcs_get_base_port(port->fcs));
6483         aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
6484
6485         /* Send the AEN notification */
6486         bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
6487                                   BFA_AEN_CAT_LPORT, event);
6488 }
6489
6490 /*
6491  * This routine will be called to send a FDISC command.
6492  */
6493 static void
6494 bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
6495 {
6496         bfa_lps_fdisc(vport->lps, vport,
6497                 bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
6498                 __vport_pwwn(vport), __vport_nwwn(vport));
6499         vport->vport_stats.fdisc_sent++;
6500 }
6501
6502 static void
6503 bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
6504 {
6505         u8              lsrjt_rsn = vport->lps->lsrjt_rsn;
6506         u8              lsrjt_expl = vport->lps->lsrjt_expl;
6507
6508         bfa_trc(__vport_fcs(vport), lsrjt_rsn);
6509         bfa_trc(__vport_fcs(vport), lsrjt_expl);
6510
6511         /* For certain reason codes, we don't want to retry. */
6512         switch (vport->lps->lsrjt_expl) {
6513         case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
6514         case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
6515                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6516                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6517                 else {
6518                         bfa_fcs_vport_aen_post(&vport->lport,
6519                                         BFA_LPORT_AEN_NPIV_DUP_WWN);
6520                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
6521                 }
6522                 break;
6523
6524         case FC_LS_RJT_EXP_INSUFF_RES:
6525                 /*
6526                  * This means max logins per port/switch setting on the
6527                  * switch was exceeded.
6528                  */
6529                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6530                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6531                 else {
6532                         bfa_fcs_vport_aen_post(&vport->lport,
6533                                         BFA_LPORT_AEN_NPIV_FABRIC_MAX);
6534                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_FABRIC_MAX);
6535                 }
6536                 break;
6537
6538         default:
6539                 if (vport->fdisc_retries == 0)
6540                         bfa_fcs_vport_aen_post(&vport->lport,
6541                                         BFA_LPORT_AEN_NPIV_UNKNOWN);
6542                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6543         }
6544 }
6545
6546 /*
6547  *      Called to send a logout to the fabric. Used when a V-Port is
6548  *      deleted/stopped.
6549  */
6550 static void
6551 bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
6552 {
6553         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6554
6555         vport->vport_stats.logo_sent++;
6556         bfa_lps_fdisclogo(vport->lps);
6557 }
6558
6559
6560 /*
6561  *     This routine will be called by bfa_timer on timer timeouts.
6562  *
6563  *      param[in]       vport           - pointer to bfa_fcs_vport_t.
6564  *      param[out]      vport_status    - pointer to return vport status in
6565  *
6566  *      return
6567  *              void
6568  *
6569  *      Special Considerations:
6570  *
6571  *      note
6572  */
6573 static void
6574 bfa_fcs_vport_timeout(void *vport_arg)
6575 {
6576         struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
6577
6578         vport->vport_stats.fdisc_timeouts++;
6579         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
6580 }
6581
6582 static void
6583 bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
6584 {
6585         struct bfad_vport_s *vport_drv =
6586                         (struct bfad_vport_s *)vport->vport_drv;
6587
6588         bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
6589         bfa_lps_delete(vport->lps);
6590
6591         if (vport_drv->comp_del) {
6592                 complete(vport_drv->comp_del);
6593                 return;
6594         }
6595
6596         /*
6597          * We queue the vport delete work to the IM work_q from here.
6598          * The memory for the bfad_vport_s is freed from the FC function
6599          * template vport_delete entry point.
6600          */
6601         bfad_im_port_delete(vport_drv->drv_port.bfad, &vport_drv->drv_port);
6602 }
6603
6604 /*
6605  *  fcs_vport_public FCS virtual port public interfaces
6606  */
6607
6608 /*
6609  * Online notification from fabric SM.
6610  */
6611 void
6612 bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
6613 {
6614         vport->vport_stats.fab_online++;
6615         if (bfa_fcs_fabric_npiv_capable(__vport_fabric(vport)))
6616                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6617         else
6618                 vport->vport_stats.fab_no_npiv++;
6619 }
6620
6621 /*
6622  * Offline notification from fabric SM.
6623  */
6624 void
6625 bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
6626 {
6627         vport->vport_stats.fab_offline++;
6628         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6629 }
6630
6631 /*
6632  * Cleanup notification from fabric SM on link timer expiry.
6633  */
6634 void
6635 bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
6636 {
6637         vport->vport_stats.fab_cleanup++;
6638 }
6639
6640 /*
6641  * Stop notification from fabric SM. To be invoked from within FCS.
6642  */
6643 void
6644 bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport)
6645 {
6646         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6647 }
6648
6649 /*
6650  * delete notification from fabric SM. To be invoked from within FCS.
6651  */
6652 void
6653 bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
6654 {
6655         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6656 }
6657
6658 /*
6659  * Stop completion callback from associated lport
6660  */
6661 void
6662 bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport)
6663 {
6664         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOPCOMP);
6665 }
6666
6667 /*
6668  * Delete completion callback from associated lport
6669  */
6670 void
6671 bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
6672 {
6673         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
6674 }
6675
6676
6677
6678 /*
6679  *  fcs_vport_api Virtual port API
6680  */
6681
6682 /*
6683  *      Use this function to instantiate a new FCS vport object. This
6684  *      function will not trigger any HW initialization process (which will be
6685  *      done in vport_start() call)
6686  *
6687  *      param[in] vport -               pointer to bfa_fcs_vport_t. This space
6688  *                                      needs to be allocated by the driver.
6689  *      param[in] fcs           -       FCS instance
6690  *      param[in] vport_cfg     -       vport configuration
6691  *      param[in] vf_id         -       VF_ID if vport is created within a VF.
6692  *                                      FC_VF_ID_NULL to specify base fabric.
6693  *      param[in] vport_drv     -       Opaque handle back to the driver's vport
6694  *                                      structure
6695  *
6696  *      retval BFA_STATUS_OK - on success.
6697  *      retval BFA_STATUS_FAILED - on failure.
6698  */
6699 bfa_status_t
6700 bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6701                 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6702                 struct bfad_vport_s *vport_drv)
6703 {
6704         if (vport_cfg->pwwn == 0)
6705                 return BFA_STATUS_INVALID_WWN;
6706
6707         if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
6708                 return BFA_STATUS_VPORT_WWN_BP;
6709
6710         if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
6711                 return BFA_STATUS_VPORT_EXISTS;
6712
6713         if (fcs->fabric.num_vports ==
6714                         bfa_lps_get_max_vport(fcs->bfa))
6715                 return BFA_STATUS_VPORT_MAX;
6716
6717         vport->lps = bfa_lps_alloc(fcs->bfa);
6718         if (!vport->lps)
6719                 return BFA_STATUS_VPORT_MAX;
6720
6721         vport->vport_drv = vport_drv;
6722         vport_cfg->preboot_vp = BFA_FALSE;
6723
6724         bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6725         bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
6726         bfa_fcs_lport_init(&vport->lport, vport_cfg);
6727         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
6728
6729         return BFA_STATUS_OK;
6730 }
6731
6732 /*
6733  *      Use this function to instantiate a new FCS PBC vport object. This
6734  *      function will not trigger any HW initialization process (which will be
6735  *      done in vport_start() call)
6736  *
6737  *      param[in] vport -       pointer to bfa_fcs_vport_t. This space
6738  *                              needs to be allocated by the driver.
6739  *      param[in] fcs   -       FCS instance
6740  *      param[in] vport_cfg     -       vport configuration
6741  *      param[in] vf_id         -       VF_ID if vport is created within a VF.
6742  *                                      FC_VF_ID_NULL to specify base fabric.
6743  *      param[in] vport_drv     -       Opaque handle back to the driver's vport
6744  *                                      structure
6745  *
6746  *      retval BFA_STATUS_OK - on success.
6747  *      retval BFA_STATUS_FAILED - on failure.
6748  */
6749 bfa_status_t
6750 bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6751                         u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6752                         struct bfad_vport_s *vport_drv)
6753 {
6754         bfa_status_t rc;
6755
6756         rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
6757         vport->lport.port_cfg.preboot_vp = BFA_TRUE;
6758
6759         return rc;
6760 }
6761
6762 /*
6763  *      Use this function to findout if this is a pbc vport or not.
6764  *
6765  * @param[in] vport - pointer to bfa_fcs_vport_t.
6766  *
6767  * @returns None
6768  */
6769 bfa_boolean_t
6770 bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
6771 {
6772
6773         if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
6774                 return BFA_TRUE;
6775         else
6776                 return BFA_FALSE;
6777
6778 }
6779
6780 /*
6781  * Use this function initialize the vport.
6782  *
6783  * @param[in] vport - pointer to bfa_fcs_vport_t.
6784  *
6785  * @returns None
6786  */
6787 bfa_status_t
6788 bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
6789 {
6790         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
6791
6792         return BFA_STATUS_OK;
6793 }
6794
6795 /*
6796  *      Use this function quiese the vport object. This function will return
6797  *      immediately, when the vport is actually stopped, the
6798  *      bfa_drv_vport_stop_cb() will be called.
6799  *
6800  *      param[in] vport - pointer to bfa_fcs_vport_t.
6801  *
6802  *      return None
6803  */
6804 bfa_status_t
6805 bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
6806 {
6807         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6808
6809         return BFA_STATUS_OK;
6810 }
6811
6812 /*
6813  *      Use this function to delete a vport object. Fabric object should
6814  *      be stopped before this function call.
6815  *
6816  *      !!!!!!! Donot invoke this from within FCS  !!!!!!!
6817  *
6818  *      param[in] vport - pointer to bfa_fcs_vport_t.
6819  *
6820  *      return     None
6821  */
6822 bfa_status_t
6823 bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
6824 {
6825
6826         if (vport->lport.port_cfg.preboot_vp)
6827                 return BFA_STATUS_PBC;
6828
6829         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6830
6831         return BFA_STATUS_OK;
6832 }
6833
6834 /*
6835  *      Use this function to get vport's current status info.
6836  *
6837  *      param[in] vport         pointer to bfa_fcs_vport_t.
6838  *      param[out] attr         pointer to return vport attributes
6839  *
6840  *      return None
6841  */
6842 void
6843 bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
6844                         struct bfa_vport_attr_s *attr)
6845 {
6846         if (vport == NULL || attr == NULL)
6847                 return;
6848
6849         memset(attr, 0, sizeof(struct bfa_vport_attr_s));
6850
6851         bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
6852         attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
6853 }
6854
6855
6856 /*
6857  *      Lookup a virtual port. Excludes base port from lookup.
6858  */
6859 struct bfa_fcs_vport_s *
6860 bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
6861 {
6862         struct bfa_fcs_vport_s *vport;
6863         struct bfa_fcs_fabric_s *fabric;
6864
6865         bfa_trc(fcs, vf_id);
6866         bfa_trc(fcs, vpwwn);
6867
6868         fabric = bfa_fcs_vf_lookup(fcs, vf_id);
6869         if (!fabric) {
6870                 bfa_trc(fcs, vf_id);
6871                 return NULL;
6872         }
6873
6874         vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
6875         return vport;
6876 }
6877
6878 /*
6879  * FDISC Response
6880  */
6881 void
6882 bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
6883 {
6884         struct bfa_fcs_vport_s *vport = uarg;
6885
6886         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6887         bfa_trc(__vport_fcs(vport), status);
6888
6889         switch (status) {
6890         case BFA_STATUS_OK:
6891                 /*
6892                  * Initialize the V-Port fields
6893                  */
6894                 __vport_fcid(vport) = vport->lps->lp_pid;
6895                 vport->vport_stats.fdisc_accepts++;
6896                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6897                 break;
6898
6899         case BFA_STATUS_INVALID_MAC:
6900                 /* Only for CNA */
6901                 vport->vport_stats.fdisc_acc_bad++;
6902                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6903
6904                 break;
6905
6906         case BFA_STATUS_EPROTOCOL:
6907                 switch (vport->lps->ext_status) {
6908                 case BFA_EPROTO_BAD_ACCEPT:
6909                         vport->vport_stats.fdisc_acc_bad++;
6910                         break;
6911
6912                 case BFA_EPROTO_UNKNOWN_RSP:
6913                         vport->vport_stats.fdisc_unknown_rsp++;
6914                         break;
6915
6916                 default:
6917                         break;
6918                 }
6919
6920                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6921                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6922                 else
6923                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6924
6925                 break;
6926
6927         case BFA_STATUS_ETIMER:
6928                 vport->vport_stats.fdisc_timeouts++;
6929                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6930                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6931                 else
6932                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6933                 break;
6934
6935         case BFA_STATUS_FABRIC_RJT:
6936                 vport->vport_stats.fdisc_rejects++;
6937                 bfa_fcs_vport_fdisc_rejected(vport);
6938                 break;
6939
6940         default:
6941                 vport->vport_stats.fdisc_rsp_err++;
6942                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6943         }
6944 }
6945
6946 /*
6947  * LOGO response
6948  */
6949 void
6950 bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
6951 {
6952         struct bfa_fcs_vport_s *vport = uarg;
6953         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6954 }
6955
6956 /*
6957  * Received clear virtual link
6958  */
6959 void
6960 bfa_cb_lps_cvl_event(void *bfad, void *uarg)
6961 {
6962         struct bfa_fcs_vport_s *vport = uarg;
6963
6964         /* Send an Offline followed by an ONLINE */
6965         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6966         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6967 }