kernel/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                 /*
 777                  * In direct attach topology, it is possible to get a PLOGI
 778                  * before the lport is online due to port feature
 779                  * (QoS/Trunk/FEC/CR), so send a rjt
 780                  */
 781                 if ((fchs->type == FC_TYPE_ELS) &&
 782                         (els_cmd->els_code == FC_ELS_PLOGI)) {
 783                         bfa_fcs_lport_send_ls_rjt(lport, fchs,
 784                                 FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD,
 785                                 FC_LS_RJT_EXP_NO_ADDL_INFO);
 786                         bfa_stats(lport, plogi_rcvd);
 787                 } else
 788                         bfa_stats(lport, uf_recv_drops);
 789
 790                 return;
 791         }
 792
 793         /*
 794          * First, handle ELSs that donot require a login.
 795          */
 796         /*
 797          * Handle PLOGI first
 798          */
 799         if ((fchs->type == FC_TYPE_ELS) &&
 800                 (els_cmd->els_code == FC_ELS_PLOGI)) {
 801                 bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd);
 802                 return;
 803         }
 804
 805         /*
 806          * Handle ECHO separately.
 807          */
 808         if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) {
 809                 bfa_fcs_lport_echo(lport, fchs,
 810                                 (struct fc_echo_s *)els_cmd, len);
 811                 return;
 812         }
 813
 814         /*
 815          * Handle RNID separately.
 816          */
 817         if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) {
 818                 bfa_fcs_lport_rnid(lport, fchs,
 819                         (struct fc_rnid_cmd_s *) els_cmd, len);
 820                 return;
 821         }
 822
 823         if (fchs->type == FC_TYPE_BLS) {
 824                 if ((fchs->routing == FC_RTG_BASIC_LINK) &&
 825                                 (fchs->cat_info == FC_CAT_ABTS))
 826                         bfa_fcs_lport_abts_acc(lport, fchs);
 827                 return;
 828         }
 829
 830         if (fchs->type == FC_TYPE_SERVICES) {
 831                 /*
 832                  * Unhandled FC-GS frames. Send a FC-CT Reject
 833                  */
 834                 bfa_fcs_lport_send_fcgs_rjt(lport, fchs, CT_RSN_NOT_SUPP,
 835                                 CT_NS_EXP_NOADDITIONAL);
 836                 return;
 837         }
 838
 839         /*
 840          * look for a matching remote port ID
 841          */
 842         rport = bfa_fcs_lport_get_rport_by_pid(lport, pid);
 843         if (rport) {
 844                 bfa_trc(rport->fcs, fchs->s_id);
 845                 bfa_trc(rport->fcs, fchs->d_id);
 846                 bfa_trc(rport->fcs, fchs->type);
 847
 848                 bfa_fcs_rport_uf_recv(rport, fchs, len);
 849                 return;
 850         }
 851
 852         /*
 853          * Only handles ELS frames for now.
 854          */
 855         if (fchs->type != FC_TYPE_ELS) {
 856                 bfa_trc(lport->fcs, fchs->s_id);
 857                 bfa_trc(lport->fcs, fchs->d_id);
 858                 /* ignore type FC_TYPE_FC_FSS */
 859                 if (fchs->type != FC_TYPE_FC_FSS)
 860                         bfa_sm_fault(lport->fcs, fchs->type);
 861                 return;
 862         }
 863
 864         bfa_trc(lport->fcs, els_cmd->els_code);
 865         if (els_cmd->els_code == FC_ELS_RSCN) {
 866                 bfa_fcs_lport_scn_process_rscn(lport, fchs, len);
 867                 return;
 868         }
 869
 870         if (els_cmd->els_code == FC_ELS_LOGO) {
 871                 /*
 872                  * @todo Handle LOGO frames received.
 873                  */
 874                 return;
 875         }
 876
 877         if (els_cmd->els_code == FC_ELS_PRLI) {
 878                 /*
 879                  * @todo Handle PRLI frames received.
 880                  */
 881                 return;
 882         }
 883
 884         /*
 885          * Unhandled ELS frames. Send a LS_RJT.
 886          */
 887         bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
 888                                  FC_LS_RJT_EXP_NO_ADDL_INFO);
 889
 890 }
 891
 892 /*
 893  *   PID based Lookup for a R-Port in the Port R-Port Queue
 894  */
 895 struct bfa_fcs_rport_s *
 896 bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid)
 897 {
 898         struct bfa_fcs_rport_s *rport;
 899         struct list_head        *qe;
 900
 901         list_for_each(qe, &port->rport_q) {
 902                 rport = (struct bfa_fcs_rport_s *) qe;
 903                 if (rport->pid == pid)
 904                         return rport;
 905         }
 906
 907         bfa_trc(port->fcs, pid);
 908         return NULL;
 909 }
 910
 911 /*
 912  * OLD_PID based Lookup for a R-Port in the Port R-Port Queue
 913  */
 914 struct bfa_fcs_rport_s *
 915 bfa_fcs_lport_get_rport_by_old_pid(struct bfa_fcs_lport_s *port, u32 pid)
 916 {
 917         struct bfa_fcs_rport_s *rport;
 918         struct list_head        *qe;
 919
 920         list_for_each(qe, &port->rport_q) {
 921                 rport = (struct bfa_fcs_rport_s *) qe;
 922                 if (rport->old_pid == pid)
 923                         return rport;
 924         }
 925
 926         bfa_trc(port->fcs, pid);
 927         return NULL;
 928 }
 929
 930 /*
 931  *   PWWN based Lookup for a R-Port in the Port R-Port Queue
 932  */
 933 struct bfa_fcs_rport_s *
 934 bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn)
 935 {
 936         struct bfa_fcs_rport_s *rport;
 937         struct list_head        *qe;
 938
 939         list_for_each(qe, &port->rport_q) {
 940                 rport = (struct bfa_fcs_rport_s *) qe;
 941                 if (wwn_is_equal(rport->pwwn, pwwn))
 942                         return rport;
 943         }
 944
 945         bfa_trc(port->fcs, pwwn);
 946         return NULL;
 947 }
 948
 949 /*
 950  *   NWWN based Lookup for a R-Port in the Port R-Port Queue
 951  */
 952 struct bfa_fcs_rport_s *
 953 bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn)
 954 {
 955         struct bfa_fcs_rport_s *rport;
 956         struct list_head        *qe;
 957
 958         list_for_each(qe, &port->rport_q) {
 959                 rport = (struct bfa_fcs_rport_s *) qe;
 960                 if (wwn_is_equal(rport->nwwn, nwwn))
 961                         return rport;
 962         }
 963
 964         bfa_trc(port->fcs, nwwn);
 965         return NULL;
 966 }
 967
 968 /*
 969  * PWWN & PID based Lookup for a R-Port in the Port R-Port Queue
 970  */
 971 struct bfa_fcs_rport_s *
 972 bfa_fcs_lport_get_rport_by_qualifier(struct bfa_fcs_lport_s *port,
 973                                      wwn_t pwwn, u32 pid)
 974 {
 975         struct bfa_fcs_rport_s *rport;
 976         struct list_head        *qe;
 977
 978         list_for_each(qe, &port->rport_q) {
 979                 rport = (struct bfa_fcs_rport_s *) qe;
 980                 if (wwn_is_equal(rport->pwwn, pwwn) && rport->pid == pid)
 981                         return rport;
 982         }
 983
 984         bfa_trc(port->fcs, pwwn);
 985         return NULL;
 986 }
 987
 988 /*
 989  * Called by rport module when new rports are discovered.
 990  */
 991 void
 992 bfa_fcs_lport_add_rport(
 993         struct bfa_fcs_lport_s *port,
 994         struct bfa_fcs_rport_s *rport)
 995 {
 996         list_add_tail(&rport->qe, &port->rport_q);
 997         port->num_rports++;
 998 }
 999
1000 /*
1001  * Called by rport module to when rports are deleted.
1002  */
1003 void
1004 bfa_fcs_lport_del_rport(
1005         struct bfa_fcs_lport_s *port,
1006         struct bfa_fcs_rport_s *rport)
1007 {
1008         WARN_ON(!bfa_q_is_on_q(&port->rport_q, rport));
1009         list_del(&rport->qe);
1010         port->num_rports--;
1011
1012         bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
1013 }
1014
1015 /*
1016  * Called by fabric for base port when fabric login is complete.
1017  * Called by vport for virtual ports when FDISC is complete.
1018  */
1019 void
1020 bfa_fcs_lport_online(struct bfa_fcs_lport_s *port)
1021 {
1022         bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
1023 }
1024
1025 /*
1026  * Called by fabric for base port when fabric goes offline.
1027  * Called by vport for virtual ports when virtual port becomes offline.
1028  */
1029 void
1030 bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
1031 {
1032         bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
1033 }
1034
1035 /*
1036  * Called by fabric for base port and by vport for virtual ports
1037  * when target mode driver is unloaded.
1038  */
1039 void
1040 bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port)
1041 {
1042         bfa_sm_send_event(port, BFA_FCS_PORT_SM_STOP);
1043 }
1044
1045 /*
1046  * Called by fabric to delete base lport and associated resources.
1047  *
1048  * Called by vport to delete lport and associated resources. Should call
1049  * bfa_fcs_vport_delete_comp() for vports on completion.
1050  */
1051 void
1052 bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port)
1053 {
1054         bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
1055 }
1056
1057 /*
1058  * Return TRUE if port is online, else return FALSE
1059  */
1060 bfa_boolean_t
1061 bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
1062 {
1063         return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
1064 }
1065
1066 /*
1067   * Attach time initialization of logical ports.
1068  */
1069 void
1070 bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
1071                    u16 vf_id, struct bfa_fcs_vport_s *vport)
1072 {
1073         lport->fcs = fcs;
1074         lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
1075         lport->vport = vport;
1076         lport->lp_tag = (vport) ? vport->lps->bfa_tag :
1077                                   lport->fabric->lps->bfa_tag;
1078
1079         INIT_LIST_HEAD(&lport->rport_q);
1080         lport->num_rports = 0;
1081 }
1082
1083 /*
1084  * Logical port initialization of base or virtual port.
1085  * Called by fabric for base port or by vport for virtual ports.
1086  */
1087
1088 void
1089 bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
1090         struct bfa_lport_cfg_s *port_cfg)
1091 {
1092         struct bfa_fcs_vport_s *vport = lport->vport;
1093         struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad;
1094         char    lpwwn_buf[BFA_STRING_32];
1095
1096         lport->port_cfg = *port_cfg;
1097
1098         lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport,
1099                                         lport->port_cfg.roles,
1100                                         lport->fabric->vf_drv,
1101                                         vport ? vport->vport_drv : NULL);
1102
1103         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport));
1104         BFA_LOG(KERN_INFO, bfad, bfa_log_level,
1105                 "New logical port created: WWN = %s Role = %s\n",
1106                 lpwwn_buf, "Initiator");
1107         bfa_fcs_lport_aen_post(lport, BFA_LPORT_AEN_NEW);
1108
1109         bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
1110         bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
1111 }
1112
1113 void
1114 bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port,
1115                                 char *symname)
1116 {
1117         strcpy(port->port_cfg.sym_name.symname, symname);
1118
1119         if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
1120                 bfa_fcs_lport_ns_util_send_rspn_id(
1121                         BFA_FCS_GET_NS_FROM_PORT(port), NULL);
1122 }
1123
1124 /*
1125  *  fcs_lport_api
1126  */
1127
1128 void
1129 bfa_fcs_lport_get_attr(
1130         struct bfa_fcs_lport_s *port,
1131         struct bfa_lport_attr_s *port_attr)
1132 {
1133         if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
1134                 port_attr->pid = port->pid;
1135         else
1136                 port_attr->pid = 0;
1137
1138         port_attr->port_cfg = port->port_cfg;
1139
1140         if (port->fabric) {
1141                 port_attr->port_type = port->fabric->oper_type;
1142                 port_attr->loopback = bfa_sm_cmp_state(port->fabric,
1143                                 bfa_fcs_fabric_sm_loopback);
1144                 port_attr->authfail =
1145                         bfa_sm_cmp_state(port->fabric,
1146                                 bfa_fcs_fabric_sm_auth_failed);
1147                 port_attr->fabric_name  = bfa_fcs_lport_get_fabric_name(port);
1148                 memcpy(port_attr->fabric_ip_addr,
1149                         bfa_fcs_lport_get_fabric_ipaddr(port),
1150                         BFA_FCS_FABRIC_IPADDR_SZ);
1151
1152                 if (port->vport != NULL) {
1153                         port_attr->port_type = BFA_PORT_TYPE_VPORT;
1154                         port_attr->fpma_mac =
1155                                 port->vport->lps->lp_mac;
1156                 } else {
1157                         port_attr->fpma_mac =
1158                                 port->fabric->lps->lp_mac;
1159                 }
1160         } else {
1161                 port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
1162                 port_attr->state = BFA_LPORT_UNINIT;
1163         }
1164 }
1165
1166 /*
1167  *  bfa_fcs_lport_fab port fab functions
1168  */
1169
1170 /*
1171  *   Called by port to initialize fabric services of the base port.
1172  */
1173 static void
1174 bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
1175 {
1176         bfa_fcs_lport_ns_init(port);
1177         bfa_fcs_lport_scn_init(port);
1178         bfa_fcs_lport_ms_init(port);
1179 }
1180
1181 /*
1182  *   Called by port to notify transition to online state.
1183  */
1184 static void
1185 bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
1186 {
1187         bfa_fcs_lport_ns_online(port);
1188         bfa_fcs_lport_fab_scn_online(port);
1189 }
1190
1191 /*
1192  *   Called by port to notify transition to offline state.
1193  */
1194 static void
1195 bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
1196 {
1197         bfa_fcs_lport_ns_offline(port);
1198         bfa_fcs_lport_scn_offline(port);
1199         bfa_fcs_lport_ms_offline(port);
1200 }
1201
1202 /*
1203  *  bfa_fcs_lport_n2n  functions
1204  */
1205
1206 /*
1207  *   Called by fcs/port to initialize N2N topology.
1208  */
1209 static void
1210 bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
1211 {
1212 }
1213
1214 /*
1215  *   Called by fcs/port to notify transition to online state.
1216  */
1217 static void
1218 bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
1219 {
1220         struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1221         struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
1222         struct bfa_fcs_rport_s *rport;
1223
1224         bfa_trc(port->fcs, pcfg->pwwn);
1225
1226         /*
1227          * If our PWWN is > than that of the r-port, we have to initiate PLOGI
1228          * and assign an Address. if not, we need to wait for its PLOGI.
1229          *
1230          * If our PWWN is < than that of the remote port, it will send a PLOGI
1231          * with the PIDs assigned. The rport state machine take care of this
1232          * incoming PLOGI.
1233          */
1234         if (memcmp
1235             ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
1236              sizeof(wwn_t)) > 0) {
1237                 port->pid = N2N_LOCAL_PID;
1238                 bfa_lps_set_n2n_pid(port->fabric->lps, N2N_LOCAL_PID);
1239                 /*
1240                  * First, check if we know the device by pwwn.
1241                  */
1242                 rport = bfa_fcs_lport_get_rport_by_pwwn(port,
1243                                                         n2n_port->rem_port_wwn);
1244                 if (rport) {
1245                         bfa_trc(port->fcs, rport->pid);
1246                         bfa_trc(port->fcs, rport->pwwn);
1247                         rport->pid = N2N_REMOTE_PID;
1248                         bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
1249                         return;
1250                 }
1251
1252                 /*
1253                  * In n2n there can be only one rport. Delete the old one
1254                  * whose pid should be zero, because it is offline.
1255                  */
1256                 if (port->num_rports > 0) {
1257                         rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
1258                         WARN_ON(rport == NULL);
1259                         if (rport) {
1260                                 bfa_trc(port->fcs, rport->pwwn);
1261                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
1262                         }
1263                 }
1264                 bfa_fcs_rport_create(port, N2N_REMOTE_PID);
1265         }
1266 }
1267
1268 /*
1269  *   Called by fcs/port to notify transition to offline state.
1270  */
1271 static void
1272 bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
1273 {
1274         struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1275
1276         bfa_trc(port->fcs, port->pid);
1277         port->pid = 0;
1278         n2n_port->rem_port_wwn = 0;
1279         n2n_port->reply_oxid = 0;
1280 }
1281
1282 void
1283 bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
1284 {
1285         int i = 0, j = 0, bit = 0, alpa_bit = 0;
1286         u8 k = 0;
1287         struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(port->fcs->bfa);
1288
1289         port->port_topo.ploop.alpabm_valid = fcport->alpabm_valid;
1290         port->pid = fcport->myalpa;
1291         port->pid = bfa_hton3b(port->pid);
1292
1293         for (i = 0; i < (FC_ALPA_MAX / 8); i++) {
1294                 for (j = 0, alpa_bit = 0; j < 8; j++, alpa_bit++) {
1295                         bfa_trc(port->fcs->bfa, fcport->alpabm.alpa_bm[i]);
1296                         bit = (fcport->alpabm.alpa_bm[i] & (1 << (7 - j)));
1297                         if (bit) {
1298                                 port->port_topo.ploop.alpa_pos_map[k] =
1299                                         loop_alpa_map[(i * 8) + alpa_bit];
1300                                 k++;
1301                                 bfa_trc(port->fcs->bfa, k);
1302                                 bfa_trc(port->fcs->bfa,
1303                                          port->port_topo.ploop.alpa_pos_map[k]);
1304                         }
1305                 }
1306         }
1307         port->port_topo.ploop.num_alpa = k;
1308 }
1309
1310 /*
1311  * Called by fcs/port to initialize Loop topology.
1312  */
1313 static void
1314 bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port)
1315 {
1316 }
1317
1318 /*
1319  * Called by fcs/port to notify transition to online state.
1320  */
1321 static void
1322 bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port)
1323 {
1324         u8 num_alpa = 0, alpabm_valid = 0;
1325         struct bfa_fcs_rport_s *rport;
1326         u8 *alpa_map = NULL;
1327         int i = 0;
1328         u32 pid;
1329
1330         bfa_fcport_get_loop_attr(port);
1331
1332         num_alpa = port->port_topo.ploop.num_alpa;
1333         alpabm_valid = port->port_topo.ploop.alpabm_valid;
1334         alpa_map = port->port_topo.ploop.alpa_pos_map;
1335
1336         bfa_trc(port->fcs->bfa, port->pid);
1337         bfa_trc(port->fcs->bfa, num_alpa);
1338         if (alpabm_valid == 1) {
1339                 for (i = 0; i < num_alpa; i++) {
1340                         bfa_trc(port->fcs->bfa, alpa_map[i]);
1341                         if (alpa_map[i] != bfa_hton3b(port->pid)) {
1342                                 pid = alpa_map[i];
1343                                 bfa_trc(port->fcs->bfa, pid);
1344                                 rport = bfa_fcs_lport_get_rport_by_pid(port,
1345                                                 bfa_hton3b(pid));
1346                                 if (!rport)
1347                                         rport = bfa_fcs_rport_create(port,
1348                                                 bfa_hton3b(pid));
1349                         }
1350                 }
1351         } else {
1352                 for (i = 0; i < MAX_ALPA_COUNT; i++) {
1353                         if (alpa_map[i] != port->pid) {
1354                                 pid = loop_alpa_map[i];
1355                                 bfa_trc(port->fcs->bfa, pid);
1356                                 rport = bfa_fcs_lport_get_rport_by_pid(port,
1357                                                 bfa_hton3b(pid));
1358                                 if (!rport)
1359                                         rport = bfa_fcs_rport_create(port,
1360                                                 bfa_hton3b(pid));
1361                         }
1362                 }
1363         }
1364 }
1365
1366 /*
1367  * Called by fcs/port to notify transition to offline state.
1368  */
1369 static void
1370 bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port)
1371 {
1372 }
1373
1374 #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
1375
1376 /*
1377  * forward declarations
1378  */
1379 static void     bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
1380                                             struct bfa_fcxp_s *fcxp_alloced);
1381 static void     bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
1382                                             struct bfa_fcxp_s *fcxp_alloced);
1383 static void     bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
1384                                            struct bfa_fcxp_s *fcxp_alloced);
1385 static void     bfa_fcs_lport_fdmi_rhba_response(void *fcsarg,
1386                                                 struct bfa_fcxp_s *fcxp,
1387                                                 void *cbarg,
1388                                                 bfa_status_t req_status,
1389                                                 u32 rsp_len,
1390                                                 u32 resid_len,
1391                                                 struct fchs_s *rsp_fchs);
1392 static void     bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
1393                                                 struct bfa_fcxp_s *fcxp,
1394                                                 void *cbarg,
1395                                                 bfa_status_t req_status,
1396                                                 u32 rsp_len,
1397                                                 u32 resid_len,
1398                                                 struct fchs_s *rsp_fchs);
1399 static void     bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
1400                                                struct bfa_fcxp_s *fcxp,
1401                                                void *cbarg,
1402                                                bfa_status_t req_status,
1403                                                u32 rsp_len,
1404                                                u32 resid_len,
1405                                                struct fchs_s *rsp_fchs);
1406 static void     bfa_fcs_lport_fdmi_timeout(void *arg);
1407 static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1408                                                   u8 *pyld);
1409 static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1410                                                   u8 *pyld);
1411 static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1412                                                  u8 *pyld);
1413 static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
1414                                                        fdmi, u8 *pyld);
1415 static void     bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1416                                  struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
1417 static void     bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1418                                   struct bfa_fcs_fdmi_port_attr_s *port_attr);
1419 u32     bfa_fcs_fdmi_convert_speed(enum bfa_port_speed pport_speed);
1420
1421 /*
1422  *  fcs_fdmi_sm FCS FDMI state machine
1423  */
1424
1425 /*
1426  *  FDMI State Machine events
1427  */
1428 enum port_fdmi_event {
1429         FDMISM_EVENT_PORT_ONLINE = 1,
1430         FDMISM_EVENT_PORT_OFFLINE = 2,
1431         FDMISM_EVENT_RSP_OK = 4,
1432         FDMISM_EVENT_RSP_ERROR = 5,
1433         FDMISM_EVENT_TIMEOUT = 6,
1434         FDMISM_EVENT_RHBA_SENT = 7,
1435         FDMISM_EVENT_RPRT_SENT = 8,
1436         FDMISM_EVENT_RPA_SENT = 9,
1437 };
1438
1439 static void     bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1440                                              enum port_fdmi_event event);
1441 static void     bfa_fcs_lport_fdmi_sm_sending_rhba(
1442                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1443                                 enum port_fdmi_event event);
1444 static void     bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1445                                           enum port_fdmi_event event);
1446 static void     bfa_fcs_lport_fdmi_sm_rhba_retry(
1447                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1448                                 enum port_fdmi_event event);
1449 static void     bfa_fcs_lport_fdmi_sm_sending_rprt(
1450                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1451                                 enum port_fdmi_event event);
1452 static void     bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1453                                           enum port_fdmi_event event);
1454 static void     bfa_fcs_lport_fdmi_sm_rprt_retry(
1455                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1456                                 enum port_fdmi_event event);
1457 static void     bfa_fcs_lport_fdmi_sm_sending_rpa(
1458                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1459                                 enum port_fdmi_event event);
1460 static void     bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1461                                          enum port_fdmi_event event);
1462 static void     bfa_fcs_lport_fdmi_sm_rpa_retry(
1463                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1464                                 enum port_fdmi_event event);
1465 static void     bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1466                                             enum port_fdmi_event event);
1467 static void     bfa_fcs_lport_fdmi_sm_disabled(
1468                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1469                                 enum port_fdmi_event event);
1470 /*
1471  *      Start in offline state - awaiting MS to send start.
1472  */
1473 static void
1474 bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1475                              enum port_fdmi_event event)
1476 {
1477         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1478
1479         bfa_trc(port->fcs, port->port_cfg.pwwn);
1480         bfa_trc(port->fcs, event);
1481
1482         fdmi->retry_cnt = 0;
1483
1484         switch (event) {
1485         case FDMISM_EVENT_PORT_ONLINE:
1486                 if (port->vport) {
1487                         /*
1488                          * For Vports, register a new port.
1489                          */
1490                         bfa_sm_set_state(fdmi,
1491                                          bfa_fcs_lport_fdmi_sm_sending_rprt);
1492                         bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1493                 } else {
1494                         /*
1495                          * For a base port, we should first register the HBA
1496                          * attribute. The HBA attribute also contains the base
1497                          *  port registration.
1498                          */
1499                         bfa_sm_set_state(fdmi,
1500                                          bfa_fcs_lport_fdmi_sm_sending_rhba);
1501                         bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1502                 }
1503                 break;
1504
1505         case FDMISM_EVENT_PORT_OFFLINE:
1506                 break;
1507
1508         default:
1509                 bfa_sm_fault(port->fcs, event);
1510         }
1511 }
1512
1513 static void
1514 bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1515                                   enum port_fdmi_event event)
1516 {
1517         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1518
1519         bfa_trc(port->fcs, port->port_cfg.pwwn);
1520         bfa_trc(port->fcs, event);
1521
1522         switch (event) {
1523         case FDMISM_EVENT_RHBA_SENT:
1524                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
1525                 break;
1526
1527         case FDMISM_EVENT_PORT_OFFLINE:
1528                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1529                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1530                                            &fdmi->fcxp_wqe);
1531                 break;
1532
1533         default:
1534                 bfa_sm_fault(port->fcs, event);
1535         }
1536 }
1537
1538 static void
1539 bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1540                         enum port_fdmi_event event)
1541 {
1542         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1543
1544         bfa_trc(port->fcs, port->port_cfg.pwwn);
1545         bfa_trc(port->fcs, event);
1546
1547         switch (event) {
1548         case FDMISM_EVENT_RSP_ERROR:
1549                 /*
1550                  * if max retries have not been reached, start timer for a
1551                  * delayed retry
1552                  */
1553                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1554                         bfa_sm_set_state(fdmi,
1555                                         bfa_fcs_lport_fdmi_sm_rhba_retry);
1556                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1557                                             &fdmi->timer,
1558                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1559                                             BFA_FCS_RETRY_TIMEOUT);
1560                 } else {
1561                         /*
1562                          * set state to offline
1563                          */
1564                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1565                 }
1566                 break;
1567
1568         case FDMISM_EVENT_RSP_OK:
1569                 /*
1570                  * Initiate Register Port Attributes
1571                  */
1572                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1573                 fdmi->retry_cnt = 0;
1574                 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1575                 break;
1576
1577         case FDMISM_EVENT_PORT_OFFLINE:
1578                 bfa_fcxp_discard(fdmi->fcxp);
1579                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1580                 break;
1581
1582         default:
1583                 bfa_sm_fault(port->fcs, event);
1584         }
1585 }
1586
1587 static void
1588 bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1589                                 enum port_fdmi_event event)
1590 {
1591         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1592
1593         bfa_trc(port->fcs, port->port_cfg.pwwn);
1594         bfa_trc(port->fcs, event);
1595
1596         switch (event) {
1597         case FDMISM_EVENT_TIMEOUT:
1598                 /*
1599                  * Retry Timer Expired. Re-send
1600                  */
1601                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
1602                 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1603                 break;
1604
1605         case FDMISM_EVENT_PORT_OFFLINE:
1606                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1607                 bfa_timer_stop(&fdmi->timer);
1608                 break;
1609
1610         default:
1611                 bfa_sm_fault(port->fcs, event);
1612         }
1613 }
1614
1615 /*
1616 * RPRT : Register Port
1617  */
1618 static void
1619 bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1620                                   enum port_fdmi_event event)
1621 {
1622         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1623
1624         bfa_trc(port->fcs, port->port_cfg.pwwn);
1625         bfa_trc(port->fcs, event);
1626
1627         switch (event) {
1628         case FDMISM_EVENT_RPRT_SENT:
1629                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
1630                 break;
1631
1632         case FDMISM_EVENT_PORT_OFFLINE:
1633                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1634                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1635                                            &fdmi->fcxp_wqe);
1636                 break;
1637
1638         default:
1639                 bfa_sm_fault(port->fcs, event);
1640         }
1641 }
1642
1643 static void
1644 bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1645                         enum port_fdmi_event event)
1646 {
1647         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1648
1649         bfa_trc(port->fcs, port->port_cfg.pwwn);
1650         bfa_trc(port->fcs, event);
1651
1652         switch (event) {
1653         case FDMISM_EVENT_RSP_ERROR:
1654                 /*
1655                  * if max retries have not been reached, start timer for a
1656                  * delayed retry
1657                  */
1658                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1659                         bfa_sm_set_state(fdmi,
1660                                         bfa_fcs_lport_fdmi_sm_rprt_retry);
1661                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1662                                             &fdmi->timer,
1663                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1664                                             BFA_FCS_RETRY_TIMEOUT);
1665
1666                 } else {
1667                         /*
1668                          * set state to offline
1669                          */
1670                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1671                         fdmi->retry_cnt = 0;
1672                 }
1673                 break;
1674
1675         case FDMISM_EVENT_RSP_OK:
1676                 fdmi->retry_cnt = 0;
1677                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1678                 break;
1679
1680         case FDMISM_EVENT_PORT_OFFLINE:
1681                 bfa_fcxp_discard(fdmi->fcxp);
1682                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1683                 break;
1684
1685         default:
1686                 bfa_sm_fault(port->fcs, event);
1687         }
1688 }
1689
1690 static void
1691 bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1692                                 enum port_fdmi_event event)
1693 {
1694         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1695
1696         bfa_trc(port->fcs, port->port_cfg.pwwn);
1697         bfa_trc(port->fcs, event);
1698
1699         switch (event) {
1700         case FDMISM_EVENT_TIMEOUT:
1701                 /*
1702                  * Retry Timer Expired. Re-send
1703                  */
1704                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
1705                 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1706                 break;
1707
1708         case FDMISM_EVENT_PORT_OFFLINE:
1709                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1710                 bfa_timer_stop(&fdmi->timer);
1711                 break;
1712
1713         default:
1714                 bfa_sm_fault(port->fcs, event);
1715         }
1716 }
1717
1718 /*
1719  * Register Port Attributes
1720  */
1721 static void
1722 bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1723                                  enum port_fdmi_event event)
1724 {
1725         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1726
1727         bfa_trc(port->fcs, port->port_cfg.pwwn);
1728         bfa_trc(port->fcs, event);
1729
1730         switch (event) {
1731         case FDMISM_EVENT_RPA_SENT:
1732                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
1733                 break;
1734
1735         case FDMISM_EVENT_PORT_OFFLINE:
1736                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1737                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1738                                            &fdmi->fcxp_wqe);
1739                 break;
1740
1741         default:
1742                 bfa_sm_fault(port->fcs, event);
1743         }
1744 }
1745
1746 static void
1747 bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1748                         enum port_fdmi_event event)
1749 {
1750         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1751
1752         bfa_trc(port->fcs, port->port_cfg.pwwn);
1753         bfa_trc(port->fcs, event);
1754
1755         switch (event) {
1756         case FDMISM_EVENT_RSP_ERROR:
1757                 /*
1758                  * if max retries have not been reached, start timer for a
1759                  * delayed retry
1760                  */
1761                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1762                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry);
1763                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1764                                             &fdmi->timer,
1765                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1766                                             BFA_FCS_RETRY_TIMEOUT);
1767                 } else {
1768                         /*
1769                          * set state to offline
1770                          */
1771                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1772                         fdmi->retry_cnt = 0;
1773                 }
1774                 break;
1775
1776         case FDMISM_EVENT_RSP_OK:
1777                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1778                 fdmi->retry_cnt = 0;
1779                 break;
1780
1781         case FDMISM_EVENT_PORT_OFFLINE:
1782                 bfa_fcxp_discard(fdmi->fcxp);
1783                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1784                 break;
1785
1786         default:
1787                 bfa_sm_fault(port->fcs, event);
1788         }
1789 }
1790
1791 static void
1792 bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1793                                enum port_fdmi_event event)
1794 {
1795         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1796
1797         bfa_trc(port->fcs, port->port_cfg.pwwn);
1798         bfa_trc(port->fcs, event);
1799
1800         switch (event) {
1801         case FDMISM_EVENT_TIMEOUT:
1802                 /*
1803                  * Retry Timer Expired. Re-send
1804                  */
1805                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1806                 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1807                 break;
1808
1809         case FDMISM_EVENT_PORT_OFFLINE:
1810                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1811                 bfa_timer_stop(&fdmi->timer);
1812                 break;
1813
1814         default:
1815                 bfa_sm_fault(port->fcs, event);
1816         }
1817 }
1818
1819 static void
1820 bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1821                                 enum port_fdmi_event event)
1822 {
1823         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1824
1825         bfa_trc(port->fcs, port->port_cfg.pwwn);
1826         bfa_trc(port->fcs, event);
1827
1828         switch (event) {
1829         case FDMISM_EVENT_PORT_OFFLINE:
1830                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1831                 break;
1832
1833         default:
1834                 bfa_sm_fault(port->fcs, event);
1835         }
1836 }
1837 /*
1838  *  FDMI is disabled state.
1839  */
1840 static void
1841 bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
1842                              enum port_fdmi_event event)
1843 {
1844         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1845
1846         bfa_trc(port->fcs, port->port_cfg.pwwn);
1847         bfa_trc(port->fcs, event);
1848
1849         /* No op State. It can only be enabled at Driver Init. */
1850 }
1851
1852 /*
1853 *  RHBA : Register HBA Attributes.
1854  */
1855 static void
1856 bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1857 {
1858         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
1859         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1860         struct fchs_s fchs;
1861         int             len, attr_len;
1862         struct bfa_fcxp_s *fcxp;
1863         u8        *pyld;
1864
1865         bfa_trc(port->fcs, port->port_cfg.pwwn);
1866
1867         fcxp = fcxp_alloced ? fcxp_alloced :
1868                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
1869         if (!fcxp) {
1870                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
1871                                 bfa_fcs_lport_fdmi_send_rhba, fdmi, BFA_TRUE);
1872                 return;
1873         }
1874         fdmi->fcxp = fcxp;
1875
1876         pyld = bfa_fcxp_get_reqbuf(fcxp);
1877         memset(pyld, 0, FC_MAX_PDUSZ);
1878
1879         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
1880                                    FDMI_RHBA);
1881
1882         attr_len =
1883                 bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
1884                                           (u8 *) ((struct ct_hdr_s *) pyld
1885                                                        + 1));
1886
1887         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1888                           FC_CLASS_3, (len + attr_len), &fchs,
1889                           bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi,
1890                           FC_MAX_PDUSZ, FC_FCCT_TOV);
1891
1892         bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
1893 }
1894
1895 static          u16
1896 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
1897 {
1898         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1899         struct bfa_fcs_fdmi_hba_attr_s hba_attr;
1900         struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
1901         struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
1902         struct fdmi_attr_s *attr;
1903         u8        *curr_ptr;
1904         u16        len, count;
1905         u16     templen;
1906
1907         /*
1908          * get hba attributes
1909          */
1910         bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
1911
1912         rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
1913         rhba->port_list.num_ports = cpu_to_be32(1);
1914         rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port);
1915
1916         len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
1917
1918         count = 0;
1919         len += sizeof(rhba->hba_attr_blk.attr_count);
1920
1921         /*
1922          * fill out the invididual entries of the HBA attrib Block
1923          */
1924         curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
1925
1926         /*
1927          * Node Name
1928          */
1929         attr = (struct fdmi_attr_s *) curr_ptr;
1930         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODENAME);
1931         templen = sizeof(wwn_t);
1932         memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), templen);
1933         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1934         len += templen;
1935         count++;
1936         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1937                              sizeof(templen));
1938
1939         /*
1940          * Manufacturer
1941          */
1942         attr = (struct fdmi_attr_s *) curr_ptr;
1943         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MANUFACTURER);
1944         templen = (u16) strlen(fcs_hba_attr->manufacturer);
1945         memcpy(attr->value, fcs_hba_attr->manufacturer, templen);
1946         templen = fc_roundup(templen, sizeof(u32));
1947         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1948         len += templen;
1949         count++;
1950         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1951                              sizeof(templen));
1952
1953         /*
1954          * Serial Number
1955          */
1956         attr = (struct fdmi_attr_s *) curr_ptr;
1957         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_SERIALNUM);
1958         templen = (u16) strlen(fcs_hba_attr->serial_num);
1959         memcpy(attr->value, fcs_hba_attr->serial_num, templen);
1960         templen = fc_roundup(templen, sizeof(u32));
1961         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1962         len += templen;
1963         count++;
1964         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1965                              sizeof(templen));
1966
1967         /*
1968          * Model
1969          */
1970         attr = (struct fdmi_attr_s *) curr_ptr;
1971         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL);
1972         templen = (u16) strlen(fcs_hba_attr->model);
1973         memcpy(attr->value, fcs_hba_attr->model, templen);
1974         templen = fc_roundup(templen, sizeof(u32));
1975         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1976         len += templen;
1977         count++;
1978         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1979                              sizeof(templen));
1980
1981         /*
1982          * Model Desc
1983          */
1984         attr = (struct fdmi_attr_s *) curr_ptr;
1985         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL_DESC);
1986         templen = (u16) strlen(fcs_hba_attr->model_desc);
1987         memcpy(attr->value, fcs_hba_attr->model_desc, templen);
1988         templen = fc_roundup(templen, sizeof(u32));
1989         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1990         len += templen;
1991         count++;
1992         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1993                              sizeof(templen));
1994
1995         /*
1996          * H/W Version
1997          */
1998         if (fcs_hba_attr->hw_version[0] != '\0') {
1999                 attr = (struct fdmi_attr_s *) curr_ptr;
2000                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_HW_VERSION);
2001                 templen = (u16) strlen(fcs_hba_attr->hw_version);
2002                 memcpy(attr->value, fcs_hba_attr->hw_version, templen);
2003                 templen = fc_roundup(templen, sizeof(u32));
2004                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2005                 len += templen;
2006                 count++;
2007                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2008                                          sizeof(templen));
2009         }
2010
2011         /*
2012          * Driver Version
2013          */
2014         attr = (struct fdmi_attr_s *) curr_ptr;
2015         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_DRIVER_VERSION);
2016         templen = (u16) strlen(fcs_hba_attr->driver_version);
2017         memcpy(attr->value, fcs_hba_attr->driver_version, templen);
2018         templen = fc_roundup(templen, sizeof(u32));
2019         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2020         len += templen;
2021         count++;
2022         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2023                              sizeof(templen));
2024
2025         /*
2026          * Option Rom Version
2027          */
2028         if (fcs_hba_attr->option_rom_ver[0] != '\0') {
2029                 attr = (struct fdmi_attr_s *) curr_ptr;
2030                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_ROM_VERSION);
2031                 templen = (u16) strlen(fcs_hba_attr->option_rom_ver);
2032                 memcpy(attr->value, fcs_hba_attr->option_rom_ver, templen);
2033                 templen = fc_roundup(templen, sizeof(u32));
2034                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2035                 len += templen;
2036                 count++;
2037                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2038                                          sizeof(templen));
2039         }
2040
2041         attr = (struct fdmi_attr_s *) curr_ptr;
2042         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
2043         templen = (u16) strlen(fcs_hba_attr->fw_version);
2044         memcpy(attr->value, fcs_hba_attr->fw_version, templen);
2045         templen = fc_roundup(templen, sizeof(u32));
2046         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2047         len += templen;
2048         count++;
2049         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2050                              sizeof(templen));
2051
2052         /*
2053          * OS Name
2054          */
2055         if (fcs_hba_attr->os_name[0] != '\0') {
2056                 attr = (struct fdmi_attr_s *) curr_ptr;
2057                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_OS_NAME);
2058                 templen = (u16) strlen(fcs_hba_attr->os_name);
2059                 memcpy(attr->value, fcs_hba_attr->os_name, templen);
2060                 templen = fc_roundup(templen, sizeof(u32));
2061                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2062                 len += templen;
2063                 count++;
2064                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2065                                         sizeof(templen));
2066         }
2067
2068         /*
2069          * MAX_CT_PAYLOAD
2070          */
2071         attr = (struct fdmi_attr_s *) curr_ptr;
2072         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MAX_CT);
2073         templen = sizeof(fcs_hba_attr->max_ct_pyld);
2074         memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, templen);
2075         templen = fc_roundup(templen, sizeof(u32));
2076         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2077         len += templen;
2078         count++;
2079         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2080                              sizeof(templen));
2081         /*
2082          * Send extended attributes ( FOS 7.1 support )
2083          */
2084         if (fdmi->retry_cnt == 0) {
2085                 attr = (struct fdmi_attr_s *) curr_ptr;
2086                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODE_SYM_NAME);
2087                 templen = sizeof(fcs_hba_attr->node_sym_name);
2088                 memcpy(attr->value, &fcs_hba_attr->node_sym_name, templen);
2089                 templen = fc_roundup(templen, sizeof(u32));
2090                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2091                 len += templen;
2092                 count++;
2093                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2094                                         sizeof(templen));
2095
2096                 attr = (struct fdmi_attr_s *) curr_ptr;
2097                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_VENDOR_ID);
2098                 templen = sizeof(fcs_hba_attr->vendor_info);
2099                 memcpy(attr->value, &fcs_hba_attr->vendor_info, templen);
2100                 templen = fc_roundup(templen, sizeof(u32));
2101                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2102                 len += templen;
2103                 count++;
2104                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2105                                         sizeof(templen));
2106
2107                 attr = (struct fdmi_attr_s *) curr_ptr;
2108                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NUM_PORTS);
2109                 templen = sizeof(fcs_hba_attr->num_ports);
2110                 memcpy(attr->value, &fcs_hba_attr->num_ports, templen);
2111                 templen = fc_roundup(templen, sizeof(u32));
2112                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2113                 len += templen;
2114                 count++;
2115                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2116                                         sizeof(templen));
2117
2118                 attr = (struct fdmi_attr_s *) curr_ptr;
2119                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FABRIC_NAME);
2120                 templen = sizeof(fcs_hba_attr->fabric_name);
2121                 memcpy(attr->value, &fcs_hba_attr->fabric_name, templen);
2122                 templen = fc_roundup(templen, sizeof(u32));
2123                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2124                 len += templen;
2125                 count++;
2126                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2127                                         sizeof(templen));
2128
2129                 attr = (struct fdmi_attr_s *) curr_ptr;
2130                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_BIOS_VER);
2131                 templen = sizeof(fcs_hba_attr->bios_ver);
2132                 memcpy(attr->value, &fcs_hba_attr->bios_ver, templen);
2133                 templen = fc_roundup(attr->len, sizeof(u32));
2134                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2135                 len += templen;
2136                 count++;
2137                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2138                                         sizeof(templen));
2139         }
2140
2141         /*
2142          * Update size of payload
2143          */
2144         len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2145
2146         rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
2147         return len;
2148 }
2149
2150 static void
2151 bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2152                                 void *cbarg, bfa_status_t req_status,
2153                                 u32 rsp_len, u32 resid_len,
2154                                 struct fchs_s *rsp_fchs)
2155 {
2156         struct bfa_fcs_lport_fdmi_s *fdmi =
2157                                 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2158         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2159         struct ct_hdr_s *cthdr = NULL;
2160
2161         bfa_trc(port->fcs, port->port_cfg.pwwn);
2162
2163         /*
2164          * Sanity Checks
2165          */
2166         if (req_status != BFA_STATUS_OK) {
2167                 bfa_trc(port->fcs, req_status);
2168                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2169                 return;
2170         }
2171
2172         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2173         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2174
2175         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2176                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2177                 return;
2178         }
2179
2180         bfa_trc(port->fcs, cthdr->reason_code);
2181         bfa_trc(port->fcs, cthdr->exp_code);
2182         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2183 }
2184
2185 /*
2186 *  RPRT : Register Port
2187  */
2188 static void
2189 bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2190 {
2191         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2192         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2193         struct fchs_s fchs;
2194         u16        len, attr_len;
2195         struct bfa_fcxp_s *fcxp;
2196         u8        *pyld;
2197
2198         bfa_trc(port->fcs, port->port_cfg.pwwn);
2199
2200         fcxp = fcxp_alloced ? fcxp_alloced :
2201                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2202         if (!fcxp) {
2203                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2204                                 bfa_fcs_lport_fdmi_send_rprt, fdmi, BFA_TRUE);
2205                 return;
2206         }
2207         fdmi->fcxp = fcxp;
2208
2209         pyld = bfa_fcxp_get_reqbuf(fcxp);
2210         memset(pyld, 0, FC_MAX_PDUSZ);
2211
2212         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2213                                    FDMI_RPRT);
2214
2215         attr_len =
2216                 bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
2217                                           (u8 *) ((struct ct_hdr_s *) pyld
2218                                                        + 1));
2219
2220         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2221                           FC_CLASS_3, len + attr_len, &fchs,
2222                           bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
2223                           FC_MAX_PDUSZ, FC_FCCT_TOV);
2224
2225         bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
2226 }
2227
2228 /*
2229  * This routine builds Port Attribute Block that used in RPA, RPRT commands.
2230  */
2231 static          u16
2232 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
2233                                        u8 *pyld)
2234 {
2235         struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2236         struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
2237         struct fdmi_attr_s *attr;
2238         u8        *curr_ptr;
2239         u16        len;
2240         u8      count = 0;
2241         u16     templen;
2242
2243         /*
2244          * get port attributes
2245          */
2246         bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2247
2248         len = sizeof(port_attrib->attr_count);
2249
2250         /*
2251          * fill out the invididual entries
2252          */
2253         curr_ptr = (u8 *) &port_attrib->port_attr;
2254
2255         /*
2256          * FC4 Types
2257          */
2258         attr = (struct fdmi_attr_s *) curr_ptr;
2259         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
2260         templen = sizeof(fcs_port_attr.supp_fc4_types);
2261         memcpy(attr->value, fcs_port_attr.supp_fc4_types, templen);
2262         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2263         len += templen;
2264         ++count;
2265         attr->len =
2266                 cpu_to_be16(templen + sizeof(attr->type) +
2267                              sizeof(templen));
2268
2269         /*
2270          * Supported Speed
2271          */
2272         attr = (struct fdmi_attr_s *) curr_ptr;
2273         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
2274         templen = sizeof(fcs_port_attr.supp_speed);
2275         memcpy(attr->value, &fcs_port_attr.supp_speed, templen);
2276         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2277         len += templen;
2278         ++count;
2279         attr->len =
2280                 cpu_to_be16(templen + sizeof(attr->type) +
2281                              sizeof(templen));
2282
2283         /*
2284          * current Port Speed
2285          */
2286         attr = (struct fdmi_attr_s *) curr_ptr;
2287         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
2288         templen = sizeof(fcs_port_attr.curr_speed);
2289         memcpy(attr->value, &fcs_port_attr.curr_speed, templen);
2290         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2291         len += templen;
2292         ++count;
2293         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2294                              sizeof(templen));
2295
2296         /*
2297          * max frame size
2298          */
2299         attr = (struct fdmi_attr_s *) curr_ptr;
2300         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
2301         templen = sizeof(fcs_port_attr.max_frm_size);
2302         memcpy(attr->value, &fcs_port_attr.max_frm_size, templen);
2303         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2304         len += templen;
2305         ++count;
2306         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2307                              sizeof(templen));
2308
2309         /*
2310          * OS Device Name
2311          */
2312         if (fcs_port_attr.os_device_name[0] != '\0') {
2313                 attr = (struct fdmi_attr_s *) curr_ptr;
2314                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
2315                 templen = (u16) strlen(fcs_port_attr.os_device_name);
2316                 memcpy(attr->value, fcs_port_attr.os_device_name, templen);
2317                 templen = fc_roundup(templen, sizeof(u32));
2318                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2319                 len += templen;
2320                 ++count;
2321                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2322                                         sizeof(templen));
2323         }
2324         /*
2325          * Host Name
2326          */
2327         if (fcs_port_attr.host_name[0] != '\0') {
2328                 attr = (struct fdmi_attr_s *) curr_ptr;
2329                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
2330                 templen = (u16) strlen(fcs_port_attr.host_name);
2331                 memcpy(attr->value, fcs_port_attr.host_name, templen);
2332                 templen = fc_roundup(templen, sizeof(u32));
2333                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2334                 len += templen;
2335                 ++count;
2336                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2337                                 sizeof(templen));
2338         }
2339
2340         if (fdmi->retry_cnt == 0) {
2341                 attr = (struct fdmi_attr_s *) curr_ptr;
2342                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_NODE_NAME);
2343                 templen = sizeof(fcs_port_attr.node_name);
2344                 memcpy(attr->value, &fcs_port_attr.node_name, templen);
2345                 templen = fc_roundup(templen, sizeof(u32));
2346                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2347                 len += templen;
2348                 ++count;
2349                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2350                                  sizeof(templen));
2351
2352                 attr = (struct fdmi_attr_s *) curr_ptr;
2353                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NAME);
2354                 templen = sizeof(fcs_port_attr.port_name);
2355                 memcpy(attr->value, &fcs_port_attr.port_name, templen);
2356                 templen = fc_roundup(templen, sizeof(u32));
2357                 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + templen;
2358                 len += templen;
2359                 ++count;
2360                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2361                                  sizeof(templen));
2362
2363                 if (fcs_port_attr.port_sym_name.symname[0] != '\0') {
2364                         attr = (struct fdmi_attr_s *) curr_ptr;
2365                         attr->type =
2366                                 cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SYM_NAME);
2367                         templen = sizeof(fcs_port_attr.port_sym_name);
2368                         memcpy(attr->value,
2369                                 &fcs_port_attr.port_sym_name, templen);
2370                         templen = fc_roundup(templen, sizeof(u32));
2371                         curr_ptr += sizeof(attr->type) +
2372                                         sizeof(templen) + templen;
2373                         len += templen;
2374                         ++count;
2375                         attr->len = cpu_to_be16(templen +
2376                                 sizeof(attr->type) + sizeof(templen));
2377                 }
2378
2379                 attr = (struct fdmi_attr_s *) curr_ptr;
2380                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_TYPE);
2381                 templen = sizeof(fcs_port_attr.port_type);
2382                 memcpy(attr->value, &fcs_port_attr.port_type, templen);
2383                 templen = fc_roundup(templen, sizeof(u32));
2384                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2385                 len += templen;
2386                 ++count;
2387                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2388                                  sizeof(templen));
2389
2390                 attr = (struct fdmi_attr_s *) curr_ptr;
2391                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_COS);
2392                 templen = sizeof(fcs_port_attr.scos);
2393                 memcpy(attr->value, &fcs_port_attr.scos, templen);
2394                 templen = fc_roundup(templen, sizeof(u32));
2395                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2396                 len += templen;
2397                 ++count;
2398                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2399                                  sizeof(templen));
2400
2401                 attr = (struct fdmi_attr_s *) curr_ptr;
2402                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FAB_NAME);
2403                 templen = sizeof(fcs_port_attr.port_fabric_name);
2404                 memcpy(attr->value, &fcs_port_attr.port_fabric_name, templen);
2405                 templen = fc_roundup(templen, sizeof(u32));
2406                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2407                 len += templen;
2408                 ++count;
2409                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2410                                  sizeof(templen));
2411
2412                 attr = (struct fdmi_attr_s *) curr_ptr;
2413                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FC4_TYPE);
2414                 templen = sizeof(fcs_port_attr.port_act_fc4_type);
2415                 memcpy(attr->value, fcs_port_attr.port_act_fc4_type,
2416                                 templen);
2417                 templen = fc_roundup(templen, sizeof(u32));
2418                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2419                 len += templen;
2420                 ++count;
2421                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2422                                  sizeof(templen));
2423
2424                 attr = (struct fdmi_attr_s *) curr_ptr;
2425                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_STATE);
2426                 templen = sizeof(fcs_port_attr.port_state);
2427                 memcpy(attr->value, &fcs_port_attr.port_state, templen);
2428                 templen = fc_roundup(templen, sizeof(u32));
2429                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2430                 len += templen;
2431                 ++count;
2432                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2433                                  sizeof(templen));
2434
2435                 attr = (struct fdmi_attr_s *) curr_ptr;
2436                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NUM_RPRT);
2437                 templen = sizeof(fcs_port_attr.num_ports);
2438                 memcpy(attr->value, &fcs_port_attr.num_ports, templen);
2439                 templen = fc_roundup(templen, sizeof(u32));
2440                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2441                 len += templen;
2442                 ++count;
2443                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2444                                 sizeof(templen));
2445         }
2446
2447         /*
2448          * Update size of payload
2449          */
2450         port_attrib->attr_count = cpu_to_be32(count);
2451         len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2452         return len;
2453 }
2454
2455 static          u16
2456 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2457 {
2458         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2459         struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
2460         u16        len;
2461
2462         rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
2463         rprt->port_name = bfa_fcs_lport_get_pwwn(port);
2464
2465         len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2466                                 (u8 *) &rprt->port_attr_blk);
2467
2468         len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
2469
2470         return len;
2471 }
2472
2473 static void
2474 bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2475                                 void *cbarg, bfa_status_t req_status,
2476                                 u32 rsp_len, u32 resid_len,
2477                                 struct fchs_s *rsp_fchs)
2478 {
2479         struct bfa_fcs_lport_fdmi_s *fdmi =
2480                         (struct bfa_fcs_lport_fdmi_s *) cbarg;
2481         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2482         struct ct_hdr_s *cthdr = NULL;
2483
2484         bfa_trc(port->fcs, port->port_cfg.pwwn);
2485
2486         /*
2487          * Sanity Checks
2488          */
2489         if (req_status != BFA_STATUS_OK) {
2490                 bfa_trc(port->fcs, req_status);
2491                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2492                 return;
2493         }
2494
2495         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2496         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2497
2498         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2499                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2500                 return;
2501         }
2502
2503         bfa_trc(port->fcs, cthdr->reason_code);
2504         bfa_trc(port->fcs, cthdr->exp_code);
2505         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2506 }
2507
2508 /*
2509 *  RPA : Register Port Attributes.
2510  */
2511 static void
2512 bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2513 {
2514         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2515         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2516         struct fchs_s fchs;
2517         u16        len, attr_len;
2518         struct bfa_fcxp_s *fcxp;
2519         u8        *pyld;
2520
2521         bfa_trc(port->fcs, port->port_cfg.pwwn);
2522
2523         fcxp = fcxp_alloced ? fcxp_alloced :
2524                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2525         if (!fcxp) {
2526                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2527                                 bfa_fcs_lport_fdmi_send_rpa, fdmi, BFA_TRUE);
2528                 return;
2529         }
2530         fdmi->fcxp = fcxp;
2531
2532         pyld = bfa_fcxp_get_reqbuf(fcxp);
2533         memset(pyld, 0, FC_MAX_PDUSZ);
2534
2535         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2536                                    FDMI_RPA);
2537
2538         attr_len = bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
2539                                 (u8 *) ((struct ct_hdr_s *) pyld + 1));
2540
2541         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2542                           FC_CLASS_3, len + attr_len, &fchs,
2543                           bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
2544                           FC_MAX_PDUSZ, FC_FCCT_TOV);
2545
2546         bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
2547 }
2548
2549 static          u16
2550 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2551 {
2552         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2553         struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
2554         u16        len;
2555
2556         rpa->port_name = bfa_fcs_lport_get_pwwn(port);
2557
2558         len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2559                                 (u8 *) &rpa->port_attr_blk);
2560
2561         len += sizeof(rpa->port_name);
2562
2563         return len;
2564 }
2565
2566 static void
2567 bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2568                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
2569                         u32 resid_len, struct fchs_s *rsp_fchs)
2570 {
2571         struct bfa_fcs_lport_fdmi_s *fdmi =
2572                                 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2573         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2574         struct ct_hdr_s *cthdr = NULL;
2575
2576         bfa_trc(port->fcs, port->port_cfg.pwwn);
2577
2578         /*
2579          * Sanity Checks
2580          */
2581         if (req_status != BFA_STATUS_OK) {
2582                 bfa_trc(port->fcs, req_status);
2583                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2584                 return;
2585         }
2586
2587         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2588         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2589
2590         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2591                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2592                 return;
2593         }
2594
2595         bfa_trc(port->fcs, cthdr->reason_code);
2596         bfa_trc(port->fcs, cthdr->exp_code);
2597         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2598 }
2599
2600 static void
2601 bfa_fcs_lport_fdmi_timeout(void *arg)
2602 {
2603         struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
2604
2605         bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
2606 }
2607
2608 static void
2609 bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2610                          struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
2611 {
2612         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2613         struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
2614         struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2615
2616         memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
2617
2618         bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
2619                                         hba_attr->manufacturer);
2620         bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
2621                                         hba_attr->serial_num);
2622         bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2623                                         hba_attr->model);
2624         bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2625                                         hba_attr->model_desc);
2626         bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
2627                                         hba_attr->hw_version);
2628         bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
2629                                         hba_attr->option_rom_ver);
2630         bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
2631                                         hba_attr->fw_version);
2632
2633         strncpy(hba_attr->driver_version, (char *)driver_info->version,
2634                 sizeof(hba_attr->driver_version));
2635
2636         strncpy(hba_attr->os_name, driver_info->host_os_name,
2637                 sizeof(hba_attr->os_name));
2638
2639         /*
2640          * If there is a patch level, append it
2641          * to the os name along with a separator
2642          */
2643         if (driver_info->host_os_patch[0] != '\0') {
2644                 strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
2645                         sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
2646                 strncat(hba_attr->os_name, driver_info->host_os_patch,
2647                                 sizeof(driver_info->host_os_patch));
2648         }
2649
2650         /* Retrieve the max frame size from the port attr */
2651         bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2652         hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
2653
2654         strncpy(hba_attr->node_sym_name.symname,
2655                 port->port_cfg.node_sym_name.symname, BFA_SYMNAME_MAXLEN);
2656         strcpy(hba_attr->vendor_info, "BROCADE");
2657         hba_attr->num_ports =
2658                 cpu_to_be32(bfa_ioc_get_nports(&port->fcs->bfa->ioc));
2659         hba_attr->fabric_name = port->fabric->lps->pr_nwwn;
2660         strncpy(hba_attr->bios_ver, hba_attr->option_rom_ver, BFA_VERSION_LEN);
2661
2662 }
2663
2664 static void
2665 bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2666                           struct bfa_fcs_fdmi_port_attr_s *port_attr)
2667 {
2668         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2669         struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
2670         struct bfa_port_attr_s pport_attr;
2671         struct bfa_lport_attr_s lport_attr;
2672
2673         memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
2674
2675         /*
2676          * get pport attributes from hal
2677          */
2678         bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
2679
2680         /*
2681          * get FC4 type Bitmask
2682          */
2683         fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
2684
2685         /*
2686          * Supported Speeds
2687          */
2688         switch (pport_attr.speed_supported) {
2689         case BFA_PORT_SPEED_16GBPS:
2690                 port_attr->supp_speed =
2691                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_16G);
2692                 break;
2693
2694         case BFA_PORT_SPEED_10GBPS:
2695                 port_attr->supp_speed =
2696                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_10G);
2697                 break;
2698
2699         case BFA_PORT_SPEED_8GBPS:
2700                 port_attr->supp_speed =
2701                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_8G);
2702                 break;
2703
2704         case BFA_PORT_SPEED_4GBPS:
2705                 port_attr->supp_speed =
2706                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_4G);
2707                 break;
2708
2709         default:
2710                 bfa_sm_fault(port->fcs, pport_attr.speed_supported);
2711         }
2712
2713         /*
2714          * Current Speed
2715          */
2716         port_attr->curr_speed = cpu_to_be32(
2717                                 bfa_fcs_fdmi_convert_speed(pport_attr.speed));
2718
2719         /*
2720          * Max PDU Size.
2721          */
2722         port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);
2723
2724         /*
2725          * OS device Name
2726          */
2727         strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name,
2728                 sizeof(port_attr->os_device_name));
2729
2730         /*
2731          * Host name
2732          */
2733         strncpy(port_attr->host_name, (char *)driver_info->host_machine_name,
2734                 sizeof(port_attr->host_name));
2735
2736         port_attr->node_name = bfa_fcs_lport_get_nwwn(port);
2737         port_attr->port_name = bfa_fcs_lport_get_pwwn(port);
2738
2739         strncpy(port_attr->port_sym_name.symname,
2740                 (char *)&bfa_fcs_lport_get_psym_name(port), BFA_SYMNAME_MAXLEN);
2741         bfa_fcs_lport_get_attr(port, &lport_attr);
2742         port_attr->port_type = cpu_to_be32(lport_attr.port_type);
2743         port_attr->scos = pport_attr.cos_supported;
2744         port_attr->port_fabric_name = port->fabric->lps->pr_nwwn;
2745         fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->port_act_fc4_type);
2746         port_attr->port_state = cpu_to_be32(pport_attr.port_state);
2747         port_attr->num_ports = cpu_to_be32(port->num_rports);
2748 }
2749
2750 /*
2751  * Convert BFA speed to FDMI format.
2752  */
2753 u32
2754 bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)
2755 {
2756         u32     ret;
2757
2758         switch (pport_speed) {
2759         case BFA_PORT_SPEED_1GBPS:
2760         case BFA_PORT_SPEED_2GBPS:
2761                 ret = pport_speed;
2762                 break;
2763
2764         case BFA_PORT_SPEED_4GBPS:
2765                 ret = FDMI_TRANS_SPEED_4G;
2766                 break;
2767
2768         case BFA_PORT_SPEED_8GBPS:
2769                 ret = FDMI_TRANS_SPEED_8G;
2770                 break;
2771
2772         case BFA_PORT_SPEED_10GBPS:
2773                 ret = FDMI_TRANS_SPEED_10G;
2774                 break;
2775
2776         case BFA_PORT_SPEED_16GBPS:
2777                 ret = FDMI_TRANS_SPEED_16G;
2778                 break;
2779
2780         default:
2781                 ret = FDMI_TRANS_SPEED_UNKNOWN;
2782         }
2783         return ret;
2784 }
2785
2786 void
2787 bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
2788 {
2789         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2790
2791         fdmi->ms = ms;
2792         if (ms->port->fcs->fdmi_enabled)
2793                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
2794         else
2795                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
2796 }
2797
2798 void
2799 bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
2800 {
2801         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2802
2803         fdmi->ms = ms;
2804         bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
2805 }
2806
2807 void
2808 bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
2809 {
2810         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2811
2812         fdmi->ms = ms;
2813         bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
2814 }
2815
2816 #define BFA_FCS_MS_CMD_MAX_RETRIES  2
2817
2818 /*
2819  * forward declarations
2820  */
2821 static void     bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
2822                                            struct bfa_fcxp_s *fcxp_alloced);
2823 static void     bfa_fcs_lport_ms_timeout(void *arg);
2824 static void     bfa_fcs_lport_ms_plogi_response(void *fcsarg,
2825                                                struct bfa_fcxp_s *fcxp,
2826                                                void *cbarg,
2827                                                bfa_status_t req_status,
2828                                                u32 rsp_len,
2829                                                u32 resid_len,
2830                                                struct fchs_s *rsp_fchs);
2831
2832 static void     bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
2833                                         struct bfa_fcxp_s *fcxp_alloced);
2834 static void     bfa_fcs_lport_ms_gmal_response(void *fcsarg,
2835                                                struct bfa_fcxp_s *fcxp,
2836                                                void *cbarg,
2837                                                bfa_status_t req_status,
2838                                                u32 rsp_len,
2839                                                u32 resid_len,
2840                                                struct fchs_s *rsp_fchs);
2841 static void     bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
2842                                         struct bfa_fcxp_s *fcxp_alloced);
2843 static void     bfa_fcs_lport_ms_gfn_response(void *fcsarg,
2844                                                struct bfa_fcxp_s *fcxp,
2845                                                void *cbarg,
2846                                                bfa_status_t req_status,
2847                                                u32 rsp_len,
2848                                                u32 resid_len,
2849                                                struct fchs_s *rsp_fchs);
2850 /*
2851  *  fcs_ms_sm FCS MS state machine
2852  */
2853
2854 /*
2855  *  MS State Machine events
2856  */
2857 enum port_ms_event {
2858         MSSM_EVENT_PORT_ONLINE = 1,
2859         MSSM_EVENT_PORT_OFFLINE = 2,
2860         MSSM_EVENT_RSP_OK = 3,
2861         MSSM_EVENT_RSP_ERROR = 4,
2862         MSSM_EVENT_TIMEOUT = 5,
2863         MSSM_EVENT_FCXP_SENT = 6,
2864         MSSM_EVENT_PORT_FABRIC_RSCN = 7
2865 };
2866
2867 static void     bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2868                                            enum port_ms_event event);
2869 static void     bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2870                                                  enum port_ms_event event);
2871 static void     bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2872                                          enum port_ms_event event);
2873 static void     bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2874                                                enum port_ms_event event);
2875 static void     bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2876                                                  enum port_ms_event event);
2877 static void     bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2878                                          enum port_ms_event event);
2879 static void     bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2880                                                enum port_ms_event event);
2881 static void     bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2882                                                  enum port_ms_event event);
2883 static void     bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2884                                          enum port_ms_event event);
2885 static void     bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2886                                                enum port_ms_event event);
2887 static void     bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2888                                           enum port_ms_event event);
2889 /*
2890  *      Start in offline state - awaiting NS to send start.
2891  */
2892 static void
2893 bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2894                                 enum port_ms_event event)
2895 {
2896         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2897         bfa_trc(ms->port->fcs, event);
2898
2899         switch (event) {
2900         case MSSM_EVENT_PORT_ONLINE:
2901                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2902                 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2903                 break;
2904
2905         case MSSM_EVENT_PORT_OFFLINE:
2906                 break;
2907
2908         default:
2909                 bfa_sm_fault(ms->port->fcs, event);
2910         }
2911 }
2912
2913 static void
2914 bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2915                                 enum port_ms_event event)
2916 {
2917         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2918         bfa_trc(ms->port->fcs, event);
2919
2920         switch (event) {
2921         case MSSM_EVENT_FCXP_SENT:
2922                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
2923                 break;
2924
2925         case MSSM_EVENT_PORT_OFFLINE:
2926                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2927                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2928                                            &ms->fcxp_wqe);
2929                 break;
2930
2931         default:
2932                 bfa_sm_fault(ms->port->fcs, event);
2933         }
2934 }
2935
2936 static void
2937 bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2938                         enum port_ms_event event)
2939 {
2940         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2941         bfa_trc(ms->port->fcs, event);
2942
2943         switch (event) {
2944         case MSSM_EVENT_RSP_ERROR:
2945                 /*
2946                  * Start timer for a delayed retry
2947                  */
2948                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
2949                 ms->port->stats.ms_retries++;
2950                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2951                                     &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2952                                     BFA_FCS_RETRY_TIMEOUT);
2953                 break;
2954
2955         case MSSM_EVENT_RSP_OK:
2956                 /*
2957                  * since plogi is done, now invoke MS related sub-modules
2958                  */
2959                 bfa_fcs_lport_fdmi_online(ms);
2960
2961                 /*
2962                  * if this is a Vport, go to online state.
2963                  */
2964                 if (ms->port->vport) {
2965                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2966                         break;
2967                 }
2968
2969                 /*
2970                  * For a base port we need to get the
2971                  * switch's IP address.
2972                  */
2973                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2974                 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2975                 break;
2976
2977         case MSSM_EVENT_PORT_OFFLINE:
2978                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2979                 bfa_fcxp_discard(ms->fcxp);
2980                 break;
2981
2982         default:
2983                 bfa_sm_fault(ms->port->fcs, event);
2984         }
2985 }
2986
2987 static void
2988 bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2989                         enum port_ms_event event)
2990 {
2991         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2992         bfa_trc(ms->port->fcs, event);
2993
2994         switch (event) {
2995         case MSSM_EVENT_TIMEOUT:
2996                 /*
2997                  * Retry Timer Expired. Re-send
2998                  */
2999                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
3000                 bfa_fcs_lport_ms_send_plogi(ms, NULL);
3001                 break;
3002
3003         case MSSM_EVENT_PORT_OFFLINE:
3004                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3005                 bfa_timer_stop(&ms->timer);
3006                 break;
3007
3008         default:
3009                 bfa_sm_fault(ms->port->fcs, event);
3010         }
3011 }
3012
3013 static void
3014 bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
3015                         enum port_ms_event event)
3016 {
3017         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3018         bfa_trc(ms->port->fcs, event);
3019
3020         switch (event) {
3021         case MSSM_EVENT_PORT_OFFLINE:
3022                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3023                 break;
3024
3025         case MSSM_EVENT_PORT_FABRIC_RSCN:
3026                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3027                 ms->retry_cnt = 0;
3028                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3029                 break;
3030
3031         default:
3032                 bfa_sm_fault(ms->port->fcs, event);
3033         }
3034 }
3035
3036 static void
3037 bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
3038                                 enum port_ms_event event)
3039 {
3040         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3041         bfa_trc(ms->port->fcs, event);
3042
3043         switch (event) {
3044         case MSSM_EVENT_FCXP_SENT:
3045                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
3046                 break;
3047
3048         case MSSM_EVENT_PORT_OFFLINE:
3049                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3050                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3051                                            &ms->fcxp_wqe);
3052                 break;
3053
3054         default:
3055                 bfa_sm_fault(ms->port->fcs, event);
3056         }
3057 }
3058
3059 static void
3060 bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
3061                                 enum port_ms_event event)
3062 {
3063         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3064         bfa_trc(ms->port->fcs, event);
3065
3066         switch (event) {
3067         case MSSM_EVENT_RSP_ERROR:
3068                 /*
3069                  * Start timer for a delayed retry
3070                  */
3071                 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3072                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
3073                         ms->port->stats.ms_retries++;
3074                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3075                                 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
3076                                 BFA_FCS_RETRY_TIMEOUT);
3077                 } else {
3078                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3079                         bfa_fcs_lport_ms_send_gfn(ms, NULL);
3080                         ms->retry_cnt = 0;
3081                 }
3082                 break;
3083
3084         case MSSM_EVENT_RSP_OK:
3085                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3086                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3087                 break;
3088
3089         case MSSM_EVENT_PORT_OFFLINE:
3090                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3091                 bfa_fcxp_discard(ms->fcxp);
3092                 break;
3093
3094         default:
3095                 bfa_sm_fault(ms->port->fcs, event);
3096         }
3097 }
3098
3099 static void
3100 bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
3101                                 enum port_ms_event event)
3102 {
3103         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3104         bfa_trc(ms->port->fcs, event);
3105
3106         switch (event) {
3107         case MSSM_EVENT_TIMEOUT:
3108                 /*
3109                  * Retry Timer Expired. Re-send
3110                  */
3111                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
3112                 bfa_fcs_lport_ms_send_gmal(ms, NULL);
3113                 break;
3114
3115         case MSSM_EVENT_PORT_OFFLINE:
3116                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3117                 bfa_timer_stop(&ms->timer);
3118                 break;
3119
3120         default:
3121                 bfa_sm_fault(ms->port->fcs, event);
3122         }
3123 }
3124 /*
3125  *  ms_pvt MS local functions
3126  */
3127
3128 static void
3129 bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3130 {
3131         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3132         bfa_fcs_lport_t *port = ms->port;
3133         struct fchs_s   fchs;
3134         int             len;
3135         struct bfa_fcxp_s *fcxp;
3136
3137         bfa_trc(port->fcs, port->pid);
3138
3139         fcxp = fcxp_alloced ? fcxp_alloced :
3140                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3141         if (!fcxp) {
3142                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3143                                 bfa_fcs_lport_ms_send_gmal, ms, BFA_TRUE);
3144                 return;
3145         }
3146         ms->fcxp = fcxp;
3147
3148         len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3149                              bfa_fcs_lport_get_fcid(port),
3150                                  port->fabric->lps->pr_nwwn);
3151
3152         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3153                           FC_CLASS_3, len, &fchs,
3154                           bfa_fcs_lport_ms_gmal_response, (void *)ms,
3155                           FC_MAX_PDUSZ, FC_FCCT_TOV);
3156
3157         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3158 }
3159
3160 static void
3161 bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3162                                 void *cbarg, bfa_status_t req_status,
3163                                 u32 rsp_len, u32 resid_len,
3164                                 struct fchs_s *rsp_fchs)
3165 {
3166         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3167         bfa_fcs_lport_t *port = ms->port;
3168         struct ct_hdr_s         *cthdr = NULL;
3169         struct fcgs_gmal_resp_s *gmal_resp;
3170         struct fcgs_gmal_entry_s *gmal_entry;
3171         u32             num_entries;
3172         u8                      *rsp_str;
3173
3174         bfa_trc(port->fcs, req_status);
3175         bfa_trc(port->fcs, port->port_cfg.pwwn);
3176
3177         /*
3178          * Sanity Checks
3179          */
3180         if (req_status != BFA_STATUS_OK) {
3181                 bfa_trc(port->fcs, req_status);
3182                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3183                 return;
3184         }
3185
3186         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3187         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3188
3189         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3190                 gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
3191
3192                 num_entries = be32_to_cpu(gmal_resp->ms_len);
3193                 if (num_entries == 0) {
3194                         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3195                         return;
3196                 }
3197                 /*
3198                 * The response could contain multiple Entries.
3199                 * Entries for SNMP interface, etc.
3200                 * We look for the entry with a telnet prefix.
3201                 * First "http://" entry refers to IP addr
3202                 */
3203
3204                 gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
3205                 while (num_entries > 0) {
3206                         if (strncmp(gmal_entry->prefix,
3207                                 CT_GMAL_RESP_PREFIX_HTTP,
3208                                 sizeof(gmal_entry->prefix)) == 0) {
3209
3210                                 /*
3211                                 * if the IP address is terminating with a '/',
3212                                 * remove it.
3213                                 * Byte 0 consists of the length of the string.
3214                                 */
3215                                 rsp_str = &(gmal_entry->prefix[0]);
3216                                 if (rsp_str[gmal_entry->len-1] == '/')
3217                                         rsp_str[gmal_entry->len-1] = 0;
3218
3219                                 /* copy IP Address to fabric */
3220                                 strncpy(bfa_fcs_lport_get_fabric_ipaddr(port),
3221                                         gmal_entry->ip_addr,
3222                                         BFA_FCS_FABRIC_IPADDR_SZ);
3223                                 break;
3224                         } else {
3225                                 --num_entries;
3226                                 ++gmal_entry;
3227                         }
3228                 }
3229
3230                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3231                 return;
3232         }
3233
3234         bfa_trc(port->fcs, cthdr->reason_code);
3235         bfa_trc(port->fcs, cthdr->exp_code);
3236         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3237 }
3238
3239 static void
3240 bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
3241                         enum port_ms_event event)
3242 {
3243         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3244         bfa_trc(ms->port->fcs, event);
3245
3246         switch (event) {
3247         case MSSM_EVENT_FCXP_SENT:
3248                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
3249                 break;
3250
3251         case MSSM_EVENT_PORT_OFFLINE:
3252                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3253                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3254                                            &ms->fcxp_wqe);
3255                 break;
3256
3257         default:
3258                 bfa_sm_fault(ms->port->fcs, event);
3259         }
3260 }
3261
3262 static void
3263 bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
3264                         enum port_ms_event event)
3265 {
3266         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3267         bfa_trc(ms->port->fcs, event);
3268
3269         switch (event) {
3270         case MSSM_EVENT_RSP_ERROR:
3271                 /*
3272                  * Start timer for a delayed retry
3273                  */
3274                 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3275                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
3276                         ms->port->stats.ms_retries++;
3277                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3278                                 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
3279                                 BFA_FCS_RETRY_TIMEOUT);
3280                 } else {
3281                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3282                         ms->retry_cnt = 0;
3283                 }
3284                 break;
3285
3286         case MSSM_EVENT_RSP_OK:
3287                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3288                 break;
3289
3290         case MSSM_EVENT_PORT_OFFLINE:
3291                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3292                 bfa_fcxp_discard(ms->fcxp);
3293                 break;
3294
3295         default:
3296                 bfa_sm_fault(ms->port->fcs, event);
3297         }
3298 }
3299
3300 static void
3301 bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
3302                                 enum port_ms_event event)
3303 {
3304         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3305         bfa_trc(ms->port->fcs, event);
3306
3307         switch (event) {
3308         case MSSM_EVENT_TIMEOUT:
3309                 /*
3310                  * Retry Timer Expired. Re-send
3311                  */
3312                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3313                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3314                 break;
3315
3316         case MSSM_EVENT_PORT_OFFLINE:
3317                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3318                 bfa_timer_stop(&ms->timer);
3319                 break;
3320
3321         default:
3322                 bfa_sm_fault(ms->port->fcs, event);
3323         }
3324 }
3325 /*
3326  *  ms_pvt MS local functions
3327  */
3328
3329 static void
3330 bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3331 {
3332         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3333         bfa_fcs_lport_t *port = ms->port;
3334         struct fchs_s           fchs;
3335         int                     len;
3336         struct bfa_fcxp_s *fcxp;
3337
3338         bfa_trc(port->fcs, port->pid);
3339
3340         fcxp = fcxp_alloced ? fcxp_alloced :
3341                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3342         if (!fcxp) {
3343                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3344                                 bfa_fcs_lport_ms_send_gfn, ms, BFA_TRUE);
3345                 return;
3346         }
3347         ms->fcxp = fcxp;
3348
3349         len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3350                              bfa_fcs_lport_get_fcid(port),
3351                                  port->fabric->lps->pr_nwwn);
3352
3353         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3354                           FC_CLASS_3, len, &fchs,
3355                           bfa_fcs_lport_ms_gfn_response, (void *)ms,
3356                           FC_MAX_PDUSZ, FC_FCCT_TOV);
3357
3358         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3359 }
3360
3361 static void
3362 bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3363                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
3364                         u32 resid_len, struct fchs_s *rsp_fchs)
3365 {
3366         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3367         bfa_fcs_lport_t *port = ms->port;
3368         struct ct_hdr_s *cthdr = NULL;
3369         wwn_t          *gfn_resp;
3370
3371         bfa_trc(port->fcs, req_status);
3372         bfa_trc(port->fcs, port->port_cfg.pwwn);
3373
3374         /*
3375          * Sanity Checks
3376          */
3377         if (req_status != BFA_STATUS_OK) {
3378                 bfa_trc(port->fcs, req_status);
3379                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3380                 return;
3381         }
3382
3383         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3384         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3385
3386         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3387                 gfn_resp = (wwn_t *)(cthdr + 1);
3388                 /* check if it has actually changed */
3389                 if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
3390                                 gfn_resp, sizeof(wwn_t)) != 0)) {
3391                         bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
3392                 }
3393                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3394                 return;
3395         }
3396
3397         bfa_trc(port->fcs, cthdr->reason_code);
3398         bfa_trc(port->fcs, cthdr->exp_code);
3399         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3400 }
3401
3402 /*
3403  *  ms_pvt MS local functions
3404  */
3405
3406 static void
3407 bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3408 {
3409         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3410         struct bfa_fcs_lport_s *port = ms->port;
3411         struct fchs_s   fchs;
3412         int     len;
3413         struct bfa_fcxp_s *fcxp;
3414
3415         bfa_trc(port->fcs, port->pid);
3416
3417         fcxp = fcxp_alloced ? fcxp_alloced :
3418                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3419         if (!fcxp) {
3420                 port->stats.ms_plogi_alloc_wait++;
3421                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3422                                 bfa_fcs_lport_ms_send_plogi, ms, BFA_TRUE);
3423                 return;
3424         }
3425         ms->fcxp = fcxp;
3426
3427         len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3428                              bfa_hton3b(FC_MGMT_SERVER),
3429                              bfa_fcs_lport_get_fcid(port), 0,
3430                              port->port_cfg.pwwn, port->port_cfg.nwwn,
3431                              bfa_fcport_get_maxfrsize(port->fcs->bfa),
3432                              bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
3433
3434         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3435                           FC_CLASS_3, len, &fchs,
3436                           bfa_fcs_lport_ms_plogi_response, (void *)ms,
3437                           FC_MAX_PDUSZ, FC_ELS_TOV);
3438
3439         port->stats.ms_plogi_sent++;
3440         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3441 }
3442
3443 static void
3444 bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3445                         void *cbarg, bfa_status_t req_status,
3446                         u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
3447 {
3448         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3449         struct bfa_fcs_lport_s *port = ms->port;
3450         struct fc_els_cmd_s *els_cmd;
3451         struct fc_ls_rjt_s *ls_rjt;
3452
3453         bfa_trc(port->fcs, req_status);
3454         bfa_trc(port->fcs, port->port_cfg.pwwn);
3455
3456         /*
3457          * Sanity Checks
3458          */
3459         if (req_status != BFA_STATUS_OK) {
3460                 port->stats.ms_plogi_rsp_err++;
3461                 bfa_trc(port->fcs, req_status);
3462                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3463                 return;
3464         }
3465
3466         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
3467
3468         switch (els_cmd->els_code) {
3469
3470         case FC_ELS_ACC:
3471                 if (rsp_len < sizeof(struct fc_logi_s)) {
3472                         bfa_trc(port->fcs, rsp_len);
3473                         port->stats.ms_plogi_acc_err++;
3474                         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3475                         break;
3476                 }
3477                 port->stats.ms_plogi_accepts++;
3478                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3479                 break;
3480
3481         case FC_ELS_LS_RJT:
3482                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
3483
3484                 bfa_trc(port->fcs, ls_rjt->reason_code);
3485                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
3486
3487                 port->stats.ms_rejects++;
3488                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3489                 break;
3490
3491         default:
3492                 port->stats.ms_plogi_unknown_rsp++;
3493                 bfa_trc(port->fcs, els_cmd->els_code);
3494                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3495         }
3496 }
3497
3498 static void
3499 bfa_fcs_lport_ms_timeout(void *arg)
3500 {
3501         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
3502
3503         ms->port->stats.ms_timeouts++;
3504         bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
3505 }
3506
3507
3508 void
3509 bfa_fcs_lport_ms_init(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_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3515
3516         /*
3517          * Invoke init routines of sub modules.
3518          */
3519         bfa_fcs_lport_fdmi_init(ms);
3520 }
3521
3522 void
3523 bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
3524 {
3525         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3526
3527         ms->port = port;
3528         bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
3529         bfa_fcs_lport_fdmi_offline(ms);
3530 }
3531
3532 void
3533 bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
3534 {
3535         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3536
3537         ms->port = port;
3538         bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
3539 }
3540 void
3541 bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
3542 {
3543         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3544
3545         /* todo.  Handle this only  when in Online state */
3546         if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
3547                 bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
3548 }
3549
3550 /*
3551  * @page ns_sm_info VPORT NS State Machine
3552  *
3553  * @section ns_sm_interactions VPORT NS State Machine Interactions
3554  *
3555  * @section ns_sm VPORT NS State Machine
3556  * img ns_sm.jpg
3557  */
3558
3559 /*
3560  * forward declarations
3561  */
3562 static void     bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
3563                                            struct bfa_fcxp_s *fcxp_alloced);
3564 static void     bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
3565                                              struct bfa_fcxp_s *fcxp_alloced);
3566 static void     bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
3567                                             struct bfa_fcxp_s *fcxp_alloced);
3568 static void     bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
3569                                             struct bfa_fcxp_s *fcxp_alloced);
3570 static void     bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
3571                                             struct bfa_fcxp_s *fcxp_alloced);
3572 static void     bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg,
3573                                         struct bfa_fcxp_s *fcxp_alloced);
3574 static void     bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg,
3575                                         struct bfa_fcxp_s *fcxp_alloced);
3576 static void     bfa_fcs_lport_ns_timeout(void *arg);
3577 static void     bfa_fcs_lport_ns_plogi_response(void *fcsarg,
3578                                                struct bfa_fcxp_s *fcxp,
3579                                                void *cbarg,
3580                                                bfa_status_t req_status,
3581                                                u32 rsp_len,
3582                                                u32 resid_len,
3583                                                struct fchs_s *rsp_fchs);
3584 static void     bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
3585                                                  struct bfa_fcxp_s *fcxp,
3586                                                  void *cbarg,
3587                                                  bfa_status_t req_status,
3588                                                  u32 rsp_len,
3589                                                  u32 resid_len,
3590                                                  struct fchs_s *rsp_fchs);
3591 static void     bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
3592                                                 struct bfa_fcxp_s *fcxp,
3593                                                 void *cbarg,
3594                                                 bfa_status_t req_status,
3595                                                 u32 rsp_len,
3596                                                 u32 resid_len,
3597                                                 struct fchs_s *rsp_fchs);
3598 static void     bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
3599                                                 struct bfa_fcxp_s *fcxp,
3600                                                 void *cbarg,
3601                                                 bfa_status_t req_status,
3602                                                 u32 rsp_len,
3603                                                 u32 resid_len,
3604                                                 struct fchs_s *rsp_fchs);
3605 static void     bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
3606                                                 struct bfa_fcxp_s *fcxp,
3607                                                 void *cbarg,
3608                                                 bfa_status_t req_status,
3609                                                 u32 rsp_len,
3610                                                 u32 resid_len,
3611                                                 struct fchs_s *rsp_fchs);
3612 static void     bfa_fcs_lport_ns_rnn_id_response(void *fcsarg,
3613                                                 struct bfa_fcxp_s *fcxp,
3614                                                 void *cbarg,
3615                                                 bfa_status_t req_status,
3616                                                 u32 rsp_len,
3617                                                 u32 resid_len,
3618                                                 struct fchs_s *rsp_fchs);
3619 static void     bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg,
3620                                                 struct bfa_fcxp_s *fcxp,
3621                                                 void *cbarg,
3622                                                 bfa_status_t req_status,
3623                                                 u32 rsp_len,
3624                                                 u32 resid_len,
3625                                                 struct fchs_s *rsp_fchs);
3626 static void     bfa_fcs_lport_ns_process_gidft_pids(
3627                                 struct bfa_fcs_lport_s *port,
3628                                 u32 *pid_buf, u32 n_pids);
3629
3630 static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
3631 /*
3632  *  fcs_ns_sm FCS nameserver interface state machine
3633  */
3634
3635 /*
3636  * VPort NS State Machine events
3637  */
3638 enum vport_ns_event {
3639         NSSM_EVENT_PORT_ONLINE = 1,
3640         NSSM_EVENT_PORT_OFFLINE = 2,
3641         NSSM_EVENT_PLOGI_SENT = 3,
3642         NSSM_EVENT_RSP_OK = 4,
3643         NSSM_EVENT_RSP_ERROR = 5,
3644         NSSM_EVENT_TIMEOUT = 6,
3645         NSSM_EVENT_NS_QUERY = 7,
3646         NSSM_EVENT_RSPNID_SENT = 8,
3647         NSSM_EVENT_RFTID_SENT = 9,
3648         NSSM_EVENT_RFFID_SENT = 10,
3649         NSSM_EVENT_GIDFT_SENT = 11,
3650         NSSM_EVENT_RNNID_SENT = 12,
3651         NSSM_EVENT_RSNN_NN_SENT = 13,
3652 };
3653
3654 static void     bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3655                                            enum vport_ns_event event);
3656 static void     bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3657                                                  enum vport_ns_event event);
3658 static void     bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3659                                          enum vport_ns_event event);
3660 static void     bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3661                                                enum vport_ns_event event);
3662 static void     bfa_fcs_lport_ns_sm_sending_rspn_id(
3663                                         struct bfa_fcs_lport_ns_s *ns,
3664                                         enum vport_ns_event event);
3665 static void     bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3666                                            enum vport_ns_event event);
3667 static void     bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3668                                                  enum vport_ns_event event);
3669 static void     bfa_fcs_lport_ns_sm_sending_rft_id(
3670                                         struct bfa_fcs_lport_ns_s *ns,
3671                                         enum vport_ns_event event);
3672 static void     bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3673                                                 enum vport_ns_event event);
3674 static void     bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3675                                           enum vport_ns_event event);
3676 static void     bfa_fcs_lport_ns_sm_sending_rff_id(
3677                                         struct bfa_fcs_lport_ns_s *ns,
3678                                         enum vport_ns_event event);
3679 static void     bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3680                                                 enum vport_ns_event event);
3681 static void     bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3682                                           enum vport_ns_event event);
3683 static void     bfa_fcs_lport_ns_sm_sending_gid_ft(
3684                                         struct bfa_fcs_lport_ns_s *ns,
3685                                         enum vport_ns_event event);
3686 static void     bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3687                                           enum vport_ns_event event);
3688 static void     bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3689                                                 enum vport_ns_event event);
3690 static void     bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3691                                           enum vport_ns_event event);
3692 static void     bfa_fcs_lport_ns_sm_sending_rnn_id(
3693                                         struct bfa_fcs_lport_ns_s *ns,
3694                                         enum vport_ns_event event);
3695 static void     bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3696                                         enum vport_ns_event event);
3697 static void     bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3698                                                 enum vport_ns_event event);
3699 static void     bfa_fcs_lport_ns_sm_sending_rsnn_nn(
3700                                         struct bfa_fcs_lport_ns_s *ns,
3701                                         enum vport_ns_event event);
3702 static void     bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3703                                                 enum vport_ns_event event);
3704 static void     bfa_fcs_lport_ns_sm_rsnn_nn_retry(
3705                                         struct bfa_fcs_lport_ns_s *ns,
3706                                         enum vport_ns_event event);
3707 /*
3708  *      Start in offline state - awaiting linkup
3709  */
3710 static void
3711 bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3712                         enum vport_ns_event event)
3713 {
3714         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3715         bfa_trc(ns->port->fcs, event);
3716
3717         switch (event) {
3718         case NSSM_EVENT_PORT_ONLINE:
3719                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3720                 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3721                 break;
3722
3723         case NSSM_EVENT_PORT_OFFLINE:
3724                 break;
3725
3726         default:
3727                 bfa_sm_fault(ns->port->fcs, event);
3728         }
3729 }
3730
3731 static void
3732 bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3733                         enum vport_ns_event event)
3734 {
3735         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3736         bfa_trc(ns->port->fcs, event);
3737
3738         switch (event) {
3739         case NSSM_EVENT_PLOGI_SENT:
3740                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
3741                 break;
3742
3743         case NSSM_EVENT_PORT_OFFLINE:
3744                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3745                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3746                                            &ns->fcxp_wqe);
3747                 break;
3748
3749         default:
3750                 bfa_sm_fault(ns->port->fcs, event);
3751         }
3752 }
3753
3754 static void
3755 bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3756                         enum vport_ns_event event)
3757 {
3758         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3759         bfa_trc(ns->port->fcs, event);
3760
3761         switch (event) {
3762         case NSSM_EVENT_RSP_ERROR:
3763                 /*
3764                  * Start timer for a delayed retry
3765                  */
3766                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
3767                 ns->port->stats.ns_retries++;
3768                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3769                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3770                                     BFA_FCS_RETRY_TIMEOUT);
3771                 break;
3772
3773         case NSSM_EVENT_RSP_OK:
3774                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3775                 ns->num_rnnid_retries = 0;
3776                 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3777                 break;
3778
3779         case NSSM_EVENT_PORT_OFFLINE:
3780                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3781                 bfa_fcxp_discard(ns->fcxp);
3782                 break;
3783
3784         default:
3785                 bfa_sm_fault(ns->port->fcs, event);
3786         }
3787 }
3788
3789 static void
3790 bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3791                                 enum vport_ns_event event)
3792 {
3793         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3794         bfa_trc(ns->port->fcs, event);
3795
3796         switch (event) {
3797         case NSSM_EVENT_TIMEOUT:
3798                 /*
3799                  * Retry Timer Expired. Re-send
3800                  */
3801                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3802                 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3803                 break;
3804
3805         case NSSM_EVENT_PORT_OFFLINE:
3806                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3807                 bfa_timer_stop(&ns->timer);
3808                 break;
3809
3810         default:
3811                 bfa_sm_fault(ns->port->fcs, event);
3812         }
3813 }
3814
3815 static void
3816 bfa_fcs_lport_ns_sm_sending_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3817                                         enum vport_ns_event event)
3818 {
3819         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3820         bfa_trc(ns->port->fcs, event);
3821
3822         switch (event) {
3823         case NSSM_EVENT_RNNID_SENT:
3824                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id);
3825                 break;
3826
3827         case NSSM_EVENT_PORT_OFFLINE:
3828                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3829                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3830                                                 &ns->fcxp_wqe);
3831                 break;
3832         default:
3833                 bfa_sm_fault(ns->port->fcs, event);
3834         }
3835 }
3836
3837 static void
3838 bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3839                                 enum vport_ns_event event)
3840 {
3841         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3842         bfa_trc(ns->port->fcs, event);
3843
3844         switch (event) {
3845         case NSSM_EVENT_RSP_OK:
3846                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3847                 ns->num_rnnid_retries = 0;
3848                 ns->num_rsnn_nn_retries = 0;
3849                 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3850                 break;
3851
3852         case NSSM_EVENT_RSP_ERROR:
3853                 if (ns->num_rnnid_retries < BFA_FCS_MAX_NS_RETRIES) {
3854                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id_retry);
3855                         ns->port->stats.ns_retries++;
3856                         ns->num_rnnid_retries++;
3857                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3858                                 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3859                                 BFA_FCS_RETRY_TIMEOUT);
3860                 } else {
3861                         bfa_sm_set_state(ns,
3862                                 bfa_fcs_lport_ns_sm_sending_rspn_id);
3863                         bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3864                 }
3865                 break;
3866
3867         case NSSM_EVENT_PORT_OFFLINE:
3868                 bfa_fcxp_discard(ns->fcxp);
3869                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3870                 break;
3871
3872         default:
3873                 bfa_sm_fault(ns->port->fcs, event);
3874         }
3875 }
3876
3877 static void
3878 bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3879                                 enum vport_ns_event event)
3880 {
3881         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3882         bfa_trc(ns->port->fcs, event);
3883
3884         switch (event) {
3885         case NSSM_EVENT_TIMEOUT:
3886                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3887                 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3888                 break;
3889
3890         case NSSM_EVENT_PORT_OFFLINE:
3891                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3892                 bfa_timer_stop(&ns->timer);
3893                 break;
3894
3895         default:
3896                 bfa_sm_fault(ns->port->fcs, event);
3897         }
3898 }
3899
3900 static void
3901 bfa_fcs_lport_ns_sm_sending_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3902                                         enum vport_ns_event event)
3903 {
3904         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3905         bfa_trc(ns->port->fcs, event);
3906
3907         switch (event) {
3908         case NSSM_EVENT_RSNN_NN_SENT:
3909                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn);
3910                 break;
3911
3912         case NSSM_EVENT_PORT_OFFLINE:
3913                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3914                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3915                         &ns->fcxp_wqe);
3916                 break;
3917
3918         default:
3919                 bfa_sm_fault(ns->port->fcs, event);
3920         }
3921 }
3922
3923 static void
3924 bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3925                                 enum vport_ns_event event)
3926 {
3927         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3928         bfa_trc(ns->port->fcs, event);
3929
3930         switch (event) {
3931         case NSSM_EVENT_RSP_OK:
3932                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3933                 ns->num_rsnn_nn_retries = 0;
3934                 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3935                 break;
3936
3937         case NSSM_EVENT_RSP_ERROR:
3938                 if (ns->num_rsnn_nn_retries < BFA_FCS_MAX_NS_RETRIES) {
3939                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn_retry);
3940                         ns->port->stats.ns_retries++;
3941                         ns->num_rsnn_nn_retries++;
3942                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3943                                         &ns->timer, bfa_fcs_lport_ns_timeout,
3944                                         ns, BFA_FCS_RETRY_TIMEOUT);
3945                 } else {
3946                         bfa_sm_set_state(ns,
3947                                 bfa_fcs_lport_ns_sm_sending_rspn_id);
3948                         bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3949                 }
3950                 break;
3951
3952         case NSSM_EVENT_PORT_OFFLINE:
3953                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3954                 bfa_fcxp_discard(ns->fcxp);
3955                 break;
3956
3957         default:
3958                 bfa_sm_fault(ns->port->fcs, event);
3959         }
3960 }
3961
3962 static void
3963 bfa_fcs_lport_ns_sm_rsnn_nn_retry(struct bfa_fcs_lport_ns_s *ns,
3964                                         enum vport_ns_event event)
3965 {
3966         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3967         bfa_trc(ns->port->fcs, event);
3968
3969         switch (event) {
3970         case NSSM_EVENT_TIMEOUT:
3971                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3972                 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3973                 break;
3974
3975         case NSSM_EVENT_PORT_OFFLINE:
3976                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3977                 bfa_timer_stop(&ns->timer);
3978                 break;
3979
3980         default:
3981                 bfa_sm_fault(ns->port->fcs, event);
3982         }
3983 }
3984
3985 static void
3986 bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3987                                    enum vport_ns_event event)
3988 {
3989         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3990         bfa_trc(ns->port->fcs, event);
3991
3992         switch (event) {
3993         case NSSM_EVENT_RSPNID_SENT:
3994                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
3995                 break;
3996
3997         case NSSM_EVENT_PORT_OFFLINE:
3998                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3999                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4000                                            &ns->fcxp_wqe);
4001                 break;
4002
4003         default:
4004                 bfa_sm_fault(ns->port->fcs, event);
4005         }
4006 }
4007
4008 static void
4009 bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
4010                         enum vport_ns_event event)
4011 {
4012         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4013         bfa_trc(ns->port->fcs, event);
4014
4015         switch (event) {
4016         case NSSM_EVENT_RSP_ERROR:
4017                 /*
4018                  * Start timer for a delayed retry
4019                  */
4020                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
4021                 ns->port->stats.ns_retries++;
4022                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4023                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4024                                     BFA_FCS_RETRY_TIMEOUT);
4025                 break;
4026
4027         case NSSM_EVENT_RSP_OK:
4028                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
4029                 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
4030                 break;
4031
4032         case NSSM_EVENT_PORT_OFFLINE:
4033                 bfa_fcxp_discard(ns->fcxp);
4034                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4035                 break;
4036
4037         default:
4038                 bfa_sm_fault(ns->port->fcs, event);
4039         }
4040 }
4041
4042 static void
4043 bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
4044                                 enum vport_ns_event event)
4045 {
4046         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4047         bfa_trc(ns->port->fcs, event);
4048
4049         switch (event) {
4050         case NSSM_EVENT_TIMEOUT:
4051                 /*
4052                  * Retry Timer Expired. Re-send
4053                  */
4054                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
4055                 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
4056                 break;
4057
4058         case NSSM_EVENT_PORT_OFFLINE:
4059                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4060                 bfa_timer_stop(&ns->timer);
4061                 break;
4062
4063         default:
4064                 bfa_sm_fault(ns->port->fcs, event);
4065         }
4066 }
4067
4068 static void
4069 bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
4070                                   enum vport_ns_event event)
4071 {
4072         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4073         bfa_trc(ns->port->fcs, event);
4074
4075         switch (event) {
4076         case NSSM_EVENT_RFTID_SENT:
4077                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
4078                 break;
4079
4080         case NSSM_EVENT_PORT_OFFLINE:
4081                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4082                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4083                                            &ns->fcxp_wqe);
4084                 break;
4085
4086         default:
4087                 bfa_sm_fault(ns->port->fcs, event);
4088         }
4089 }
4090
4091 static void
4092 bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
4093                         enum vport_ns_event event)
4094 {
4095         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4096         bfa_trc(ns->port->fcs, event);
4097
4098         switch (event) {
4099         case NSSM_EVENT_RSP_OK:
4100                 /* Now move to register FC4 Features */
4101                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4102                 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4103                 break;
4104
4105         case NSSM_EVENT_RSP_ERROR:
4106                 /*
4107                  * Start timer for a delayed retry
4108                  */
4109                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
4110                 ns->port->stats.ns_retries++;
4111                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4112                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4113                                     BFA_FCS_RETRY_TIMEOUT);
4114                 break;
4115
4116         case NSSM_EVENT_PORT_OFFLINE:
4117                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4118                 bfa_fcxp_discard(ns->fcxp);
4119                 break;
4120
4121         default:
4122                 bfa_sm_fault(ns->port->fcs, event);
4123         }
4124 }
4125
4126 static void
4127 bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
4128                                 enum vport_ns_event event)
4129 {
4130         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4131         bfa_trc(ns->port->fcs, event);
4132
4133         switch (event) {
4134         case NSSM_EVENT_TIMEOUT:
4135                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
4136                 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
4137                 break;
4138
4139         case NSSM_EVENT_PORT_OFFLINE:
4140                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4141                 bfa_timer_stop(&ns->timer);
4142                 break;
4143
4144         default:
4145                 bfa_sm_fault(ns->port->fcs, event);
4146         }
4147 }
4148
4149 static void
4150 bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
4151                                   enum vport_ns_event event)
4152 {
4153         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4154         bfa_trc(ns->port->fcs, event);
4155
4156         switch (event) {
4157         case NSSM_EVENT_RFFID_SENT:
4158                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
4159                 break;
4160
4161         case NSSM_EVENT_PORT_OFFLINE:
4162                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4163                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4164                                            &ns->fcxp_wqe);
4165                 break;
4166
4167         default:
4168                 bfa_sm_fault(ns->port->fcs, event);
4169         }
4170 }
4171
4172 static void
4173 bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
4174                         enum vport_ns_event event)
4175 {
4176         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4177         bfa_trc(ns->port->fcs, event);
4178
4179         switch (event) {
4180         case NSSM_EVENT_RSP_OK:
4181
4182                 /*
4183                  * If min cfg mode is enabled, we donot initiate rport
4184                  * discovery with the fabric. Instead, we will retrieve the
4185                  * boot targets from HAL/FW.
4186                  */
4187                 if (__fcs_min_cfg(ns->port->fcs)) {
4188                         bfa_fcs_lport_ns_boot_target_disc(ns->port);
4189                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4190                         return;
4191                 }
4192
4193                 /*
4194                  * If the port role is Initiator Mode issue NS query.
4195                  * If it is Target Mode, skip this and go to online.
4196                  */
4197                 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4198                         bfa_sm_set_state(ns,
4199                                 bfa_fcs_lport_ns_sm_sending_gid_ft);
4200                         bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4201                 }
4202                 /*
4203                  * kick off mgmt srvr state machine
4204                  */
4205                 bfa_fcs_lport_ms_online(ns->port);
4206                 break;
4207
4208         case NSSM_EVENT_RSP_ERROR:
4209                 /*
4210                  * Start timer for a delayed retry
4211                  */
4212                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
4213                 ns->port->stats.ns_retries++;
4214                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4215                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4216                                     BFA_FCS_RETRY_TIMEOUT);
4217                 break;
4218
4219         case NSSM_EVENT_PORT_OFFLINE:
4220                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4221                 bfa_fcxp_discard(ns->fcxp);
4222                 break;
4223
4224         default:
4225                 bfa_sm_fault(ns->port->fcs, event);
4226         }
4227 }
4228
4229 static void
4230 bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
4231                                 enum vport_ns_event event)
4232 {
4233         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4234         bfa_trc(ns->port->fcs, event);
4235
4236         switch (event) {
4237         case NSSM_EVENT_TIMEOUT:
4238                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4239                 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4240                 break;
4241
4242         case NSSM_EVENT_PORT_OFFLINE:
4243                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4244                 bfa_timer_stop(&ns->timer);
4245                 break;
4246
4247         default:
4248                 bfa_sm_fault(ns->port->fcs, event);
4249         }
4250 }
4251 static void
4252 bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4253                                   enum vport_ns_event event)
4254 {
4255         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4256         bfa_trc(ns->port->fcs, event);
4257
4258         switch (event) {
4259         case NSSM_EVENT_GIDFT_SENT:
4260                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
4261                 break;
4262
4263         case NSSM_EVENT_PORT_OFFLINE:
4264                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4265                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4266                                            &ns->fcxp_wqe);
4267                 break;
4268
4269         default:
4270                 bfa_sm_fault(ns->port->fcs, event);
4271         }
4272 }
4273
4274 static void
4275 bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4276                         enum vport_ns_event event)
4277 {
4278         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4279         bfa_trc(ns->port->fcs, event);
4280
4281         switch (event) {
4282         case NSSM_EVENT_RSP_OK:
4283                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4284                 break;
4285
4286         case NSSM_EVENT_RSP_ERROR:
4287                 /*
4288                  * TBD: for certain reject codes, we don't need to retry
4289                  */
4290                 /*
4291                  * Start timer for a delayed retry
4292                  */
4293                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
4294                 ns->port->stats.ns_retries++;
4295                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4296                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4297                                     BFA_FCS_RETRY_TIMEOUT);
4298                 break;
4299
4300         case NSSM_EVENT_PORT_OFFLINE:
4301                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4302                 bfa_fcxp_discard(ns->fcxp);
4303                 break;
4304
4305         case  NSSM_EVENT_NS_QUERY:
4306                 break;
4307
4308         default:
4309                 bfa_sm_fault(ns->port->fcs, event);
4310         }
4311 }
4312
4313 static void
4314 bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
4315                                 enum vport_ns_event event)
4316 {
4317         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4318         bfa_trc(ns->port->fcs, event);
4319
4320         switch (event) {
4321         case NSSM_EVENT_TIMEOUT:
4322                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
4323                 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4324                 break;
4325
4326         case NSSM_EVENT_PORT_OFFLINE:
4327                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4328                 bfa_timer_stop(&ns->timer);
4329                 break;
4330
4331         default:
4332                 bfa_sm_fault(ns->port->fcs, event);
4333         }
4334 }
4335
4336 static void
4337 bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
4338                         enum vport_ns_event event)
4339 {
4340         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4341         bfa_trc(ns->port->fcs, event);
4342
4343         switch (event) {
4344         case NSSM_EVENT_PORT_OFFLINE:
4345                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4346                 break;
4347
4348         case NSSM_EVENT_NS_QUERY:
4349                 /*
4350                  * If the port role is Initiator Mode issue NS query.
4351                  * If it is Target Mode, skip this and go to online.
4352                  */
4353                 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4354                         bfa_sm_set_state(ns,
4355                                 bfa_fcs_lport_ns_sm_sending_gid_ft);
4356                         bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4357                 };
4358                 break;
4359
4360         default:
4361                 bfa_sm_fault(ns->port->fcs, event);
4362         }
4363 }
4364
4365
4366
4367 /*
4368  *  ns_pvt Nameserver local functions
4369  */
4370
4371 static void
4372 bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4373 {
4374         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4375         struct bfa_fcs_lport_s *port = ns->port;
4376         struct fchs_s fchs;
4377         int             len;
4378         struct bfa_fcxp_s *fcxp;
4379
4380         bfa_trc(port->fcs, port->pid);
4381
4382         fcxp = fcxp_alloced ? fcxp_alloced :
4383                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4384         if (!fcxp) {
4385                 port->stats.ns_plogi_alloc_wait++;
4386                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4387                                 bfa_fcs_lport_ns_send_plogi, ns, BFA_TRUE);
4388                 return;
4389         }
4390         ns->fcxp = fcxp;
4391
4392         len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4393                              bfa_hton3b(FC_NAME_SERVER),
4394                              bfa_fcs_lport_get_fcid(port), 0,
4395                              port->port_cfg.pwwn, port->port_cfg.nwwn,
4396                              bfa_fcport_get_maxfrsize(port->fcs->bfa),
4397                              bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
4398
4399         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4400                           FC_CLASS_3, len, &fchs,
4401                           bfa_fcs_lport_ns_plogi_response, (void *)ns,
4402                           FC_MAX_PDUSZ, FC_ELS_TOV);
4403         port->stats.ns_plogi_sent++;
4404
4405         bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
4406 }
4407
4408 static void
4409 bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4410                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
4411                        u32 resid_len, struct fchs_s *rsp_fchs)
4412 {
4413         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4414         struct bfa_fcs_lport_s *port = ns->port;
4415         /* struct fc_logi_s *plogi_resp; */
4416         struct fc_els_cmd_s *els_cmd;
4417         struct fc_ls_rjt_s *ls_rjt;
4418
4419         bfa_trc(port->fcs, req_status);
4420         bfa_trc(port->fcs, port->port_cfg.pwwn);
4421
4422         /*
4423          * Sanity Checks
4424          */
4425         if (req_status != BFA_STATUS_OK) {
4426                 bfa_trc(port->fcs, req_status);
4427                 port->stats.ns_plogi_rsp_err++;
4428                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4429                 return;
4430         }
4431
4432         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
4433
4434         switch (els_cmd->els_code) {
4435
4436         case FC_ELS_ACC:
4437                 if (rsp_len < sizeof(struct fc_logi_s)) {
4438                         bfa_trc(port->fcs, rsp_len);
4439                         port->stats.ns_plogi_acc_err++;
4440                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4441                         break;
4442                 }
4443                 port->stats.ns_plogi_accepts++;
4444                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4445                 break;
4446
4447         case FC_ELS_LS_RJT:
4448                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
4449
4450                 bfa_trc(port->fcs, ls_rjt->reason_code);
4451                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
4452
4453                 port->stats.ns_rejects++;
4454
4455                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4456                 break;
4457
4458         default:
4459                 port->stats.ns_plogi_unknown_rsp++;
4460                 bfa_trc(port->fcs, els_cmd->els_code);
4461                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4462         }
4463 }
4464
4465 /*
4466  * Register node name for port_id
4467  */
4468 static void
4469 bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4470 {
4471         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4472         struct bfa_fcs_lport_s *port = ns->port;
4473         struct fchs_s  fchs;
4474         int     len;
4475         struct bfa_fcxp_s *fcxp;
4476
4477         bfa_trc(port->fcs, port->port_cfg.pwwn);
4478
4479         fcxp = fcxp_alloced ? fcxp_alloced :
4480                         bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4481         if (!fcxp) {
4482                 port->stats.ns_rnnid_alloc_wait++;
4483                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4484                                 bfa_fcs_lport_ns_send_rnn_id, ns, BFA_TRUE);
4485                 return;
4486         }
4487
4488         ns->fcxp = fcxp;
4489
4490         len = fc_rnnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4491                                 bfa_fcs_lport_get_fcid(port),
4492                                 bfa_fcs_lport_get_fcid(port),
4493                                 bfa_fcs_lport_get_nwwn(port));
4494
4495         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4496                           FC_CLASS_3, len, &fchs,
4497                           bfa_fcs_lport_ns_rnn_id_response, (void *)ns,
4498                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4499
4500         port->stats.ns_rnnid_sent++;
4501         bfa_sm_send_event(ns, NSSM_EVENT_RNNID_SENT);
4502 }
4503
4504 static void
4505 bfa_fcs_lport_ns_rnn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4506                                 void *cbarg, bfa_status_t req_status,
4507                                 u32 rsp_len, u32 resid_len,
4508                                 struct fchs_s *rsp_fchs)
4509
4510 {
4511         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4512         struct bfa_fcs_lport_s *port = ns->port;
4513         struct ct_hdr_s *cthdr = NULL;
4514
4515         bfa_trc(port->fcs, port->port_cfg.pwwn);
4516
4517         /*
4518          * Sanity Checks
4519          */
4520         if (req_status != BFA_STATUS_OK) {
4521                 bfa_trc(port->fcs, req_status);
4522                 port->stats.ns_rnnid_rsp_err++;
4523                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4524                 return;
4525         }
4526
4527         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4528         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4529
4530         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4531                 port->stats.ns_rnnid_accepts++;
4532                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4533                 return;
4534         }
4535
4536         port->stats.ns_rnnid_rejects++;
4537         bfa_trc(port->fcs, cthdr->reason_code);
4538         bfa_trc(port->fcs, cthdr->exp_code);
4539         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4540 }
4541
4542 /*
4543  * Register the symbolic node name for a given node name.
4544  */
4545 static void
4546 bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4547 {
4548         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4549         struct bfa_fcs_lport_s *port = ns->port;
4550         struct fchs_s  fchs;
4551         int     len;
4552         struct bfa_fcxp_s *fcxp;
4553         u8 *nsymbl;
4554
4555         bfa_trc(port->fcs, port->port_cfg.pwwn);
4556
4557         fcxp = fcxp_alloced ? fcxp_alloced :
4558                         bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4559         if (!fcxp) {
4560                 port->stats.ns_rsnn_nn_alloc_wait++;
4561                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4562                                 bfa_fcs_lport_ns_send_rsnn_nn, ns, BFA_TRUE);
4563                 return;
4564         }
4565         ns->fcxp = fcxp;
4566
4567         nsymbl = (u8 *) &(bfa_fcs_lport_get_nsym_name(
4568                                         bfa_fcs_get_base_port(port->fcs)));
4569
4570         len = fc_rsnn_nn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4571                                 bfa_fcs_lport_get_fcid(port),
4572                                 bfa_fcs_lport_get_nwwn(port), nsymbl);
4573
4574         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4575                           FC_CLASS_3, len, &fchs,
4576                           bfa_fcs_lport_ns_rsnn_nn_response, (void *)ns,
4577                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4578
4579         port->stats.ns_rsnn_nn_sent++;
4580
4581         bfa_sm_send_event(ns, NSSM_EVENT_RSNN_NN_SENT);
4582 }
4583
4584 static void
4585 bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4586                                 void *cbarg, bfa_status_t req_status,
4587                                 u32 rsp_len, u32 resid_len,
4588                                 struct fchs_s *rsp_fchs)
4589 {
4590         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4591         struct bfa_fcs_lport_s *port = ns->port;
4592         struct ct_hdr_s *cthdr = NULL;
4593
4594         bfa_trc(port->fcs, port->port_cfg.pwwn);
4595
4596         /*
4597          * Sanity Checks
4598          */
4599         if (req_status != BFA_STATUS_OK) {
4600                 bfa_trc(port->fcs, req_status);
4601                 port->stats.ns_rsnn_nn_rsp_err++;
4602                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4603                 return;
4604         }
4605
4606         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4607         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4608
4609         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4610                 port->stats.ns_rsnn_nn_accepts++;
4611                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4612                 return;
4613         }
4614
4615         port->stats.ns_rsnn_nn_rejects++;
4616         bfa_trc(port->fcs, cthdr->reason_code);
4617         bfa_trc(port->fcs, cthdr->exp_code);
4618         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4619 }
4620
4621 /*
4622  * Register the symbolic port name.
4623  */
4624 static void
4625 bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4626 {
4627         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4628         struct bfa_fcs_lport_s *port = ns->port;
4629         struct fchs_s fchs;
4630         int             len;
4631         struct bfa_fcxp_s *fcxp;
4632         u8         symbl[256];
4633         u8         *psymbl = &symbl[0];
4634
4635         memset(symbl, 0, sizeof(symbl));
4636
4637         bfa_trc(port->fcs, port->port_cfg.pwwn);
4638
4639         fcxp = fcxp_alloced ? fcxp_alloced :
4640                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4641         if (!fcxp) {
4642                 port->stats.ns_rspnid_alloc_wait++;
4643                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4644                                 bfa_fcs_lport_ns_send_rspn_id, ns, BFA_TRUE);
4645                 return;
4646         }
4647         ns->fcxp = fcxp;
4648
4649         /*
4650          * for V-Port, form a Port Symbolic Name
4651          */
4652         if (port->vport) {
4653                 /*
4654                  * For Vports, we append the vport's port symbolic name
4655                  * to that of the base port.
4656                  */
4657
4658                 strncpy((char *)psymbl,
4659                         (char *) &
4660                         (bfa_fcs_lport_get_psym_name
4661                          (bfa_fcs_get_base_port(port->fcs))),
4662                         strlen((char *) &
4663                                bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
4664                                                           (port->fcs))));
4665
4666                 /* Ensure we have a null terminating string. */
4667                 ((char *)psymbl)[strlen((char *) &
4668                         bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
4669                                                 (port->fcs)))] = 0;
4670                 strncat((char *)psymbl,
4671                         (char *) &(bfa_fcs_lport_get_psym_name(port)),
4672                 strlen((char *) &bfa_fcs_lport_get_psym_name(port)));
4673         } else {
4674                 psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
4675         }
4676
4677         len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4678                               bfa_fcs_lport_get_fcid(port), 0, psymbl);
4679
4680         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4681                           FC_CLASS_3, len, &fchs,
4682                           bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
4683                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4684
4685         port->stats.ns_rspnid_sent++;
4686
4687         bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
4688 }
4689
4690 static void
4691 bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4692                                  void *cbarg, bfa_status_t req_status,
4693                                  u32 rsp_len, u32 resid_len,
4694                                  struct fchs_s *rsp_fchs)
4695 {
4696         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4697         struct bfa_fcs_lport_s *port = ns->port;
4698         struct ct_hdr_s *cthdr = NULL;
4699
4700         bfa_trc(port->fcs, port->port_cfg.pwwn);
4701
4702         /*
4703          * Sanity Checks
4704          */
4705         if (req_status != BFA_STATUS_OK) {
4706                 bfa_trc(port->fcs, req_status);
4707                 port->stats.ns_rspnid_rsp_err++;
4708                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4709                 return;
4710         }
4711
4712         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4713         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4714
4715         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4716                 port->stats.ns_rspnid_accepts++;
4717                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4718                 return;
4719         }
4720
4721         port->stats.ns_rspnid_rejects++;
4722         bfa_trc(port->fcs, cthdr->reason_code);
4723         bfa_trc(port->fcs, cthdr->exp_code);
4724         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4725 }
4726
4727 /*
4728  * Register FC4-Types
4729  */
4730 static void
4731 bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4732 {
4733         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4734         struct bfa_fcs_lport_s *port = ns->port;
4735         struct fchs_s fchs;
4736         int             len;
4737         struct bfa_fcxp_s *fcxp;
4738
4739         bfa_trc(port->fcs, port->port_cfg.pwwn);
4740
4741         fcxp = fcxp_alloced ? fcxp_alloced :
4742                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4743         if (!fcxp) {
4744                 port->stats.ns_rftid_alloc_wait++;
4745                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4746                                 bfa_fcs_lport_ns_send_rft_id, ns, BFA_TRUE);
4747                 return;
4748         }
4749         ns->fcxp = fcxp;
4750
4751         len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4752                      bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
4753
4754         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4755                           FC_CLASS_3, len, &fchs,
4756                           bfa_fcs_lport_ns_rft_id_response, (void *)ns,
4757                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4758
4759         port->stats.ns_rftid_sent++;
4760         bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
4761 }
4762
4763 static void
4764 bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4765                                 void *cbarg, bfa_status_t req_status,
4766                                 u32 rsp_len, u32 resid_len,
4767                                 struct fchs_s *rsp_fchs)
4768 {
4769         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4770         struct bfa_fcs_lport_s *port = ns->port;
4771         struct ct_hdr_s *cthdr = NULL;
4772
4773         bfa_trc(port->fcs, port->port_cfg.pwwn);
4774
4775         /*
4776          * Sanity Checks
4777          */
4778         if (req_status != BFA_STATUS_OK) {
4779                 bfa_trc(port->fcs, req_status);
4780                 port->stats.ns_rftid_rsp_err++;
4781                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4782                 return;
4783         }
4784
4785         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4786         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4787
4788         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4789                 port->stats.ns_rftid_accepts++;
4790                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4791                 return;
4792         }
4793
4794         port->stats.ns_rftid_rejects++;
4795         bfa_trc(port->fcs, cthdr->reason_code);
4796         bfa_trc(port->fcs, cthdr->exp_code);
4797         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4798 }
4799
4800 /*
4801  * Register FC4-Features : Should be done after RFT_ID
4802  */
4803 static void
4804 bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4805 {
4806         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4807         struct bfa_fcs_lport_s *port = ns->port;
4808         struct fchs_s fchs;
4809         int             len;
4810         struct bfa_fcxp_s *fcxp;
4811         u8                      fc4_ftrs = 0;
4812
4813         bfa_trc(port->fcs, port->port_cfg.pwwn);
4814
4815         fcxp = fcxp_alloced ? fcxp_alloced :
4816                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4817         if (!fcxp) {
4818                 port->stats.ns_rffid_alloc_wait++;
4819                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4820                                 bfa_fcs_lport_ns_send_rff_id, ns, BFA_TRUE);
4821                 return;
4822         }
4823         ns->fcxp = fcxp;
4824
4825         if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
4826                 fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
4827
4828         len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4829                              bfa_fcs_lport_get_fcid(port), 0,
4830                                  FC_TYPE_FCP, fc4_ftrs);
4831
4832         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4833                           FC_CLASS_3, len, &fchs,
4834                           bfa_fcs_lport_ns_rff_id_response, (void *)ns,
4835                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4836
4837         port->stats.ns_rffid_sent++;
4838         bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
4839 }
4840
4841 static void
4842 bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4843                                 void *cbarg, bfa_status_t req_status,
4844                                 u32 rsp_len, u32 resid_len,
4845                                 struct fchs_s *rsp_fchs)
4846 {
4847         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4848         struct bfa_fcs_lport_s *port = ns->port;
4849         struct ct_hdr_s *cthdr = NULL;
4850
4851         bfa_trc(port->fcs, port->port_cfg.pwwn);
4852
4853         /*
4854          * Sanity Checks
4855          */
4856         if (req_status != BFA_STATUS_OK) {
4857                 bfa_trc(port->fcs, req_status);
4858                 port->stats.ns_rffid_rsp_err++;
4859                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4860                 return;
4861         }
4862
4863         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4864         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4865
4866         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4867                 port->stats.ns_rffid_accepts++;
4868                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4869                 return;
4870         }
4871
4872         port->stats.ns_rffid_rejects++;
4873         bfa_trc(port->fcs, cthdr->reason_code);
4874         bfa_trc(port->fcs, cthdr->exp_code);
4875
4876         if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
4877                 /* if this command is not supported, we don't retry */
4878                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4879         } else
4880                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4881 }
4882 /*
4883  * Query Fabric for FC4-Types Devices.
4884  *
4885 * TBD : Need to use a local (FCS private) response buffer, since the response
4886  * can be larger than 2K.
4887  */
4888 static void
4889 bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4890 {
4891         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4892         struct bfa_fcs_lport_s *port = ns->port;
4893         struct fchs_s fchs;
4894         int             len;
4895         struct bfa_fcxp_s *fcxp;
4896
4897         bfa_trc(port->fcs, port->pid);
4898
4899         fcxp = fcxp_alloced ? fcxp_alloced :
4900                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4901         if (!fcxp) {
4902                 port->stats.ns_gidft_alloc_wait++;
4903                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4904                                 bfa_fcs_lport_ns_send_gid_ft, ns, BFA_TRUE);
4905                 return;
4906         }
4907         ns->fcxp = fcxp;
4908
4909         /*
4910          * This query is only initiated for FCP initiator mode.
4911          */
4912         len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4913                               ns->port->pid, FC_TYPE_FCP);
4914
4915         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4916                           FC_CLASS_3, len, &fchs,
4917                           bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
4918                           bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
4919
4920         port->stats.ns_gidft_sent++;
4921
4922         bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
4923 }
4924
4925 static void
4926 bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4927                                 void *cbarg, bfa_status_t req_status,
4928                                 u32 rsp_len, u32 resid_len,
4929                                 struct fchs_s *rsp_fchs)
4930 {
4931         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4932         struct bfa_fcs_lport_s *port = ns->port;
4933         struct ct_hdr_s *cthdr = NULL;
4934         u32        n_pids;
4935
4936         bfa_trc(port->fcs, port->port_cfg.pwwn);
4937
4938         /*
4939          * Sanity Checks
4940          */
4941         if (req_status != BFA_STATUS_OK) {
4942                 bfa_trc(port->fcs, req_status);
4943                 port->stats.ns_gidft_rsp_err++;
4944                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4945                 return;
4946         }
4947
4948         if (resid_len != 0) {
4949                 /*
4950                  * TBD : we will need to allocate a larger buffer & retry the
4951                  * command
4952                  */
4953                 bfa_trc(port->fcs, rsp_len);
4954                 bfa_trc(port->fcs, resid_len);
4955                 return;
4956         }
4957
4958         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4959         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4960
4961         switch (cthdr->cmd_rsp_code) {
4962
4963         case CT_RSP_ACCEPT:
4964
4965                 port->stats.ns_gidft_accepts++;
4966                 n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
4967                 bfa_trc(port->fcs, n_pids);
4968                 bfa_fcs_lport_ns_process_gidft_pids(port,
4969                                                    (u32 *) (cthdr + 1),
4970                                                    n_pids);
4971                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4972                 break;
4973
4974         case CT_RSP_REJECT:
4975
4976                 /*
4977                  * Check the reason code  & explanation.
4978                  * There may not have been any FC4 devices in the fabric
4979                  */
4980                 port->stats.ns_gidft_rejects++;
4981                 bfa_trc(port->fcs, cthdr->reason_code);
4982                 bfa_trc(port->fcs, cthdr->exp_code);
4983
4984                 if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
4985                     && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
4986
4987                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4988                 } else {
4989                         /*
4990                          * for all other errors, retry
4991                          */
4992                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4993                 }
4994                 break;
4995
4996         default:
4997                 port->stats.ns_gidft_unknown_rsp++;
4998                 bfa_trc(port->fcs, cthdr->cmd_rsp_code);
4999                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
5000         }
5001 }
5002
5003 /*
5004  *     This routine will be called by bfa_timer on timer timeouts.
5005  *
5006  *      param[in]       port - pointer to bfa_fcs_lport_t.
5007  *
5008  *      return
5009  *              void
5010  *
5011  *      Special Considerations:
5012  *
5013  *      note
5014  */
5015 static void
5016 bfa_fcs_lport_ns_timeout(void *arg)
5017 {
5018         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
5019
5020         ns->port->stats.ns_timeouts++;
5021         bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
5022 }
5023
5024 /*
5025  * Process the PID list in GID_FT response
5026  */
5027 static void
5028 bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
5029                                    u32 n_pids)
5030 {
5031         struct fcgs_gidft_resp_s *gidft_entry;
5032         struct bfa_fcs_rport_s *rport;
5033         u32        ii;
5034         struct bfa_fcs_fabric_s *fabric = port->fabric;
5035         struct bfa_fcs_vport_s *vport;
5036         struct list_head *qe;
5037         u8 found = 0;
5038
5039         for (ii = 0; ii < n_pids; ii++) {
5040                 gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
5041
5042                 if (gidft_entry->pid == port->pid)
5043                         continue;
5044
5045                 /*
5046                  * Ignore PID if it is of base port
5047                  * (Avoid vports discovering base port as remote port)
5048                  */
5049                 if (gidft_entry->pid == fabric->bport.pid)
5050                         continue;
5051
5052                 /*
5053                  * Ignore PID if it is of vport created on the same base port
5054                  * (Avoid vport discovering every other vport created on the
5055                  * same port as remote port)
5056                  */
5057                 list_for_each(qe, &fabric->vport_q) {
5058                         vport = (struct bfa_fcs_vport_s *) qe;
5059                         if (vport->lport.pid == gidft_entry->pid)
5060                                 found = 1;
5061                 }
5062
5063                 if (found) {
5064                         found = 0;
5065                         continue;
5066                 }
5067
5068                 /*
5069                  * Check if this rport already exists
5070                  */
5071                 rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
5072                 if (rport == NULL) {
5073                         /*
5074                          * this is a new device. create rport
5075                          */
5076                         rport = bfa_fcs_rport_create(port, gidft_entry->pid);
5077                 } else {
5078                         /*
5079                          * this rport already exists
5080                          */
5081                         bfa_fcs_rport_scn(rport);
5082                 }
5083
5084                 bfa_trc(port->fcs, gidft_entry->pid);
5085
5086                 /*
5087                  * if the last entry bit is set, bail out.
5088                  */
5089                 if (gidft_entry->last)
5090                         return;
5091         }
5092 }
5093
5094 /*
5095  *  fcs_ns_public FCS nameserver public interfaces
5096  */
5097
5098 /*
5099  * Functions called by port/fab.
5100  * These will send relevant Events to the ns state machine.
5101  */
5102 void
5103 bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
5104 {
5105         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5106
5107         ns->port = port;
5108         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
5109 }
5110
5111 void
5112 bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
5113 {
5114         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5115
5116         ns->port = port;
5117         bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
5118 }
5119
5120 void
5121 bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
5122 {
5123         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5124
5125         ns->port = port;
5126         bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
5127 }
5128
5129 void
5130 bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
5131 {
5132         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5133
5134         bfa_trc(port->fcs, port->pid);
5135         if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_online))
5136                 bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
5137 }
5138
5139 static void
5140 bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
5141 {
5142
5143         struct bfa_fcs_rport_s *rport;
5144         u8 nwwns;
5145         wwn_t  wwns[BFA_PREBOOT_BOOTLUN_MAX];
5146         int ii;
5147
5148         bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
5149
5150         for (ii = 0 ; ii < nwwns; ++ii) {
5151                 rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
5152                 WARN_ON(!rport);
5153         }
5154 }
5155
5156 void
5157 bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
5158 {
5159         struct bfa_fcs_lport_ns_s *ns = cbarg;
5160         struct bfa_fcs_lport_s *port = ns->port;
5161         struct fchs_s fchs;
5162         struct bfa_fcxp_s *fcxp;
5163         u8 symbl[256];
5164         u8 *psymbl = &symbl[0];
5165         int len;
5166
5167         /* Avoid sending RSPN in the following states. */
5168         if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) ||
5169             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) ||
5170             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi) ||
5171             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_retry) ||
5172             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry))
5173                 return;
5174
5175         memset(symbl, 0, sizeof(symbl));
5176         bfa_trc(port->fcs, port->port_cfg.pwwn);
5177
5178         fcxp = fcxp_alloced ? fcxp_alloced :
5179                bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5180         if (!fcxp) {
5181                 port->stats.ns_rspnid_alloc_wait++;
5182                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
5183                         bfa_fcs_lport_ns_util_send_rspn_id, ns, BFA_FALSE);
5184                 return;
5185         }
5186
5187         ns->fcxp = fcxp;
5188
5189         if (port->vport) {
5190                 /*
5191                  * For Vports, we append the vport's port symbolic name
5192                  * to that of the base port.
5193                  */
5194                 strncpy((char *)psymbl, (char *)&(bfa_fcs_lport_get_psym_name
5195                         (bfa_fcs_get_base_port(port->fcs))),
5196                         strlen((char *)&bfa_fcs_lport_get_psym_name(
5197                         bfa_fcs_get_base_port(port->fcs))));
5198
5199                 /* Ensure we have a null terminating string. */
5200                 ((char *)psymbl)[strlen((char *)&bfa_fcs_lport_get_psym_name(
5201                  bfa_fcs_get_base_port(port->fcs)))] = 0;
5202
5203                 strncat((char *)psymbl,
5204                         (char *)&(bfa_fcs_lport_get_psym_name(port)),
5205                         strlen((char *)&bfa_fcs_lport_get_psym_name(port)));
5206         }
5207
5208         len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5209                               bfa_fcs_lport_get_fcid(port), 0, psymbl);
5210
5211         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5212                       FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
5213
5214         port->stats.ns_rspnid_sent++;
5215 }
5216
5217 /*
5218  * FCS SCN
5219  */
5220
5221 #define FC_QOS_RSCN_EVENT               0x0c
5222 #define FC_FABRIC_NAME_RSCN_EVENT       0x0d
5223
5224 /*
5225  * forward declarations
5226  */
5227 static void     bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
5228                                           struct bfa_fcxp_s *fcxp_alloced);
5229 static void     bfa_fcs_lport_scn_scr_response(void *fcsarg,
5230                                               struct bfa_fcxp_s *fcxp,
5231                                               void *cbarg,
5232                                               bfa_status_t req_status,
5233                                               u32 rsp_len,
5234                                               u32 resid_len,
5235                                               struct fchs_s *rsp_fchs);
5236 static void     bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5237                                              struct fchs_s *rx_fchs);
5238 static void     bfa_fcs_lport_scn_timeout(void *arg);
5239
5240 /*
5241  *  fcs_scm_sm FCS SCN state machine
5242  */
5243
5244 /*
5245  * VPort SCN State Machine events
5246  */
5247 enum port_scn_event {
5248         SCNSM_EVENT_PORT_ONLINE = 1,
5249         SCNSM_EVENT_PORT_OFFLINE = 2,
5250         SCNSM_EVENT_RSP_OK = 3,
5251         SCNSM_EVENT_RSP_ERROR = 4,
5252         SCNSM_EVENT_TIMEOUT = 5,
5253         SCNSM_EVENT_SCR_SENT = 6,
5254 };
5255
5256 static void     bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5257                                             enum port_scn_event event);
5258 static void     bfa_fcs_lport_scn_sm_sending_scr(
5259                                         struct bfa_fcs_lport_scn_s *scn,
5260                                         enum port_scn_event event);
5261 static void     bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5262                                         enum port_scn_event event);
5263 static void     bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5264                                               enum port_scn_event event);
5265 static void     bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5266                                            enum port_scn_event event);
5267
5268 /*
5269  *      Starting state - awaiting link up.
5270  */
5271 static void
5272 bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5273                         enum port_scn_event event)
5274 {
5275         switch (event) {
5276         case SCNSM_EVENT_PORT_ONLINE:
5277                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5278                 bfa_fcs_lport_scn_send_scr(scn, NULL);
5279                 break;
5280
5281         case SCNSM_EVENT_PORT_OFFLINE:
5282                 break;
5283
5284         default:
5285                 bfa_sm_fault(scn->port->fcs, event);
5286         }
5287 }
5288
5289 static void
5290 bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
5291                                 enum port_scn_event event)
5292 {
5293         switch (event) {
5294         case SCNSM_EVENT_SCR_SENT:
5295                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
5296                 break;
5297
5298         case SCNSM_EVENT_PORT_OFFLINE:
5299                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5300                 bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
5301                 break;
5302
5303         default:
5304                 bfa_sm_fault(scn->port->fcs, event);
5305         }
5306 }
5307
5308 static void
5309 bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5310                         enum port_scn_event event)
5311 {
5312         struct bfa_fcs_lport_s *port = scn->port;
5313
5314         switch (event) {
5315         case SCNSM_EVENT_RSP_OK:
5316                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
5317                 break;
5318
5319         case SCNSM_EVENT_RSP_ERROR:
5320                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
5321                 bfa_timer_start(port->fcs->bfa, &scn->timer,
5322                                     bfa_fcs_lport_scn_timeout, scn,
5323                                     BFA_FCS_RETRY_TIMEOUT);
5324                 break;
5325
5326         case SCNSM_EVENT_PORT_OFFLINE:
5327                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5328                 bfa_fcxp_discard(scn->fcxp);
5329                 break;
5330
5331         default:
5332                 bfa_sm_fault(port->fcs, event);
5333         }
5334 }
5335
5336 static void
5337 bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5338                                 enum port_scn_event event)
5339 {
5340         switch (event) {
5341         case SCNSM_EVENT_TIMEOUT:
5342                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5343                 bfa_fcs_lport_scn_send_scr(scn, NULL);
5344                 break;
5345
5346         case SCNSM_EVENT_PORT_OFFLINE:
5347                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5348                 bfa_timer_stop(&scn->timer);
5349                 break;
5350
5351         default:
5352                 bfa_sm_fault(scn->port->fcs, event);
5353         }
5354 }
5355
5356 static void
5357 bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5358                         enum port_scn_event event)
5359 {
5360         switch (event) {
5361         case SCNSM_EVENT_PORT_OFFLINE:
5362                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5363                 break;
5364
5365         default:
5366                 bfa_sm_fault(scn->port->fcs, event);
5367         }
5368 }
5369
5370
5371
5372 /*
5373  *  fcs_scn_private FCS SCN private functions
5374  */
5375
5376 /*
5377  * This routine will be called to send a SCR command.
5378  */
5379 static void
5380 bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
5381 {
5382         struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
5383         struct bfa_fcs_lport_s *port = scn->port;
5384         struct fchs_s fchs;
5385         int             len;
5386         struct bfa_fcxp_s *fcxp;
5387
5388         bfa_trc(port->fcs, port->pid);
5389         bfa_trc(port->fcs, port->port_cfg.pwwn);
5390
5391         fcxp = fcxp_alloced ? fcxp_alloced :
5392                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
5393         if (!fcxp) {
5394                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
5395                                 bfa_fcs_lport_scn_send_scr, scn, BFA_TRUE);
5396                 return;
5397         }
5398         scn->fcxp = fcxp;
5399
5400         /* Handle VU registrations for Base port only */
5401         if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
5402                 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5403                                 port->fabric->lps->brcd_switch,
5404                                 port->pid, 0);
5405         } else {
5406             len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5407                                     BFA_FALSE,
5408                                     port->pid, 0);
5409         }
5410
5411         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5412                           FC_CLASS_3, len, &fchs,
5413                           bfa_fcs_lport_scn_scr_response,
5414                           (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
5415
5416         bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
5417 }
5418
5419 static void
5420 bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
5421                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
5422                               u32 resid_len, struct fchs_s *rsp_fchs)
5423 {
5424         struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
5425         struct bfa_fcs_lport_s *port = scn->port;
5426         struct fc_els_cmd_s *els_cmd;
5427         struct fc_ls_rjt_s *ls_rjt;
5428
5429         bfa_trc(port->fcs, port->port_cfg.pwwn);
5430
5431         /*
5432          * Sanity Checks
5433          */
5434         if (req_status != BFA_STATUS_OK) {
5435                 bfa_trc(port->fcs, req_status);
5436                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5437                 return;
5438         }
5439
5440         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
5441
5442         switch (els_cmd->els_code) {
5443
5444         case FC_ELS_ACC:
5445                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
5446                 break;
5447
5448         case FC_ELS_LS_RJT:
5449
5450                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
5451
5452                 bfa_trc(port->fcs, ls_rjt->reason_code);
5453                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
5454
5455                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5456                 break;
5457
5458         default:
5459                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5460         }
5461 }
5462
5463 /*
5464  * Send a LS Accept
5465  */
5466 static void
5467 bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5468                                 struct fchs_s *rx_fchs)
5469 {
5470         struct fchs_s fchs;
5471         struct bfa_fcxp_s *fcxp;
5472         struct bfa_rport_s *bfa_rport = NULL;
5473         int             len;
5474
5475         bfa_trc(port->fcs, rx_fchs->s_id);
5476
5477         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5478         if (!fcxp)
5479                 return;
5480
5481         len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5482                               rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
5483                               rx_fchs->ox_id);
5484
5485         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
5486                           BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
5487                           FC_MAX_PDUSZ, 0);
5488 }
5489
5490 /*
5491  *     This routine will be called by bfa_timer on timer timeouts.
5492  *
5493  *      param[in]       vport           - pointer to bfa_fcs_lport_t.
5494  *      param[out]      vport_status    - pointer to return vport status in
5495  *
5496  *      return
5497  *              void
5498  *
5499  *      Special Considerations:
5500  *
5501  *      note
5502  */
5503 static void
5504 bfa_fcs_lport_scn_timeout(void *arg)
5505 {
5506         struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
5507
5508         bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
5509 }
5510
5511
5512
5513 /*
5514  *  fcs_scn_public FCS state change notification public interfaces
5515  */
5516
5517 /*
5518  * Functions called by port/fab
5519  */
5520 void
5521 bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
5522 {
5523         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5524
5525         scn->port = port;
5526         bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5527 }
5528
5529 void
5530 bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
5531 {
5532         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5533
5534         scn->port = port;
5535         bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
5536 }
5537
5538 void
5539 bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *port)
5540 {
5541         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5542
5543         scn->port = port;
5544         bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
5545 }
5546
5547 static void
5548 bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
5549 {
5550         struct bfa_fcs_rport_s *rport;
5551         struct bfa_fcs_fabric_s *fabric = port->fabric;
5552         struct bfa_fcs_vport_s *vport;
5553         struct list_head *qe;
5554
5555         bfa_trc(port->fcs, rpid);
5556
5557         /*
5558          * Ignore PID if it is of base port or of vports created on the
5559          * same base port. It is to avoid vports discovering base port or
5560          * other vports created on same base port as remote port
5561          */
5562         if (rpid == fabric->bport.pid)
5563                 return;
5564
5565         list_for_each(qe, &fabric->vport_q) {
5566                 vport = (struct bfa_fcs_vport_s *) qe;
5567                 if (vport->lport.pid == rpid)
5568                         return;
5569         }
5570         /*
5571          * If this is an unknown device, then it just came online.
5572          * Otherwise let rport handle the RSCN event.
5573          */
5574         rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
5575         if (!rport)
5576                 rport = bfa_fcs_lport_get_rport_by_old_pid(port, rpid);
5577
5578         if (rport == NULL) {
5579                 /*
5580                  * If min cfg mode is enabled, we donot need to
5581                  * discover any new rports.
5582                  */
5583                 if (!__fcs_min_cfg(port->fcs))
5584                         rport = bfa_fcs_rport_create(port, rpid);
5585         } else
5586                 bfa_fcs_rport_scn(rport);
5587 }
5588
5589 /*
5590  * rscn format based PID comparison
5591  */
5592 #define __fc_pid_match(__c0, __c1, __fmt)               \
5593         (((__fmt) == FC_RSCN_FORMAT_FABRIC) ||          \
5594          (((__fmt) == FC_RSCN_FORMAT_DOMAIN) &&         \
5595           ((__c0)[0] == (__c1)[0])) ||                          \
5596          (((__fmt) == FC_RSCN_FORMAT_AREA) &&           \
5597           ((__c0)[0] == (__c1)[0]) &&                           \
5598           ((__c0)[1] == (__c1)[1])))
5599
5600 static void
5601 bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
5602                                 enum fc_rscn_format format,
5603                                 u32 rscn_pid)
5604 {
5605         struct bfa_fcs_rport_s *rport;
5606         struct list_head        *qe, *qe_next;
5607         u8        *c0, *c1;
5608
5609         bfa_trc(port->fcs, format);
5610         bfa_trc(port->fcs, rscn_pid);
5611
5612         c0 = (u8 *) &rscn_pid;
5613
5614         list_for_each_safe(qe, qe_next, &port->rport_q) {
5615                 rport = (struct bfa_fcs_rport_s *) qe;
5616                 c1 = (u8 *) &rport->pid;
5617                 if (__fc_pid_match(c0, c1, format))
5618                         bfa_fcs_rport_scn(rport);
5619         }
5620 }
5621
5622
5623 void
5624 bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
5625                         struct fchs_s *fchs, u32 len)
5626 {
5627         struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
5628         int             num_entries;
5629         u32        rscn_pid;
5630         bfa_boolean_t   nsquery = BFA_FALSE, found;
5631         int             i = 0, j;
5632
5633         num_entries =
5634                 (be16_to_cpu(rscn->payldlen) -
5635                  sizeof(u32)) / sizeof(rscn->event[0]);
5636
5637         bfa_trc(port->fcs, num_entries);
5638
5639         port->stats.num_rscn++;
5640
5641         bfa_fcs_lport_scn_send_ls_acc(port, fchs);
5642
5643         for (i = 0; i < num_entries; i++) {
5644                 rscn_pid = rscn->event[i].portid;
5645
5646                 bfa_trc(port->fcs, rscn->event[i].format);
5647                 bfa_trc(port->fcs, rscn_pid);
5648
5649                 /* check for duplicate entries in the list */
5650                 found = BFA_FALSE;
5651                 for (j = 0; j < i; j++) {
5652                         if (rscn->event[j].portid == rscn_pid) {
5653                                 found = BFA_TRUE;
5654                                 break;
5655                         }
5656                 }
5657
5658                 /* if found in down the list, pid has been already processed */
5659                 if (found) {
5660                         bfa_trc(port->fcs, rscn_pid);
5661                         continue;
5662                 }
5663
5664                 switch (rscn->event[i].format) {
5665                 case FC_RSCN_FORMAT_PORTID:
5666                         if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
5667                                 /*
5668                                  * Ignore this event.
5669                                  * f/w would have processed it
5670                                  */
5671                                 bfa_trc(port->fcs, rscn_pid);
5672                         } else {
5673                                 port->stats.num_portid_rscn++;
5674                                 bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
5675                         }
5676                 break;
5677
5678                 case FC_RSCN_FORMAT_FABRIC:
5679                         if (rscn->event[i].qualifier ==
5680                                         FC_FABRIC_NAME_RSCN_EVENT) {
5681                                 bfa_fcs_lport_ms_fabric_rscn(port);
5682                                 break;
5683                         }
5684                         /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */
5685
5686                 case FC_RSCN_FORMAT_AREA:
5687                 case FC_RSCN_FORMAT_DOMAIN:
5688                         nsquery = BFA_TRUE;
5689                         bfa_fcs_lport_scn_multiport_rscn(port,
5690                                                         rscn->event[i].format,
5691                                                         rscn_pid);
5692                         break;
5693
5694
5695                 default:
5696                         WARN_ON(1);
5697                         nsquery = BFA_TRUE;
5698                 }
5699         }
5700
5701         /*
5702          * If any of area, domain or fabric RSCN is received, do a fresh
5703          * discovery to find new devices.
5704          */
5705         if (nsquery)
5706                 bfa_fcs_lport_ns_query(port);
5707 }
5708
5709 /*
5710  * BFA FCS port
5711  */
5712 /*
5713  *  fcs_port_api BFA FCS port API
5714  */
5715 struct bfa_fcs_lport_s *
5716 bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
5717 {
5718         return &fcs->fabric.bport;
5719 }
5720
5721 wwn_t
5722 bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
5723                 int nrports, bfa_boolean_t bwwn)
5724 {
5725         struct list_head        *qh, *qe;
5726         struct bfa_fcs_rport_s *rport = NULL;
5727         int     i;
5728         struct bfa_fcs_s        *fcs;
5729
5730         if (port == NULL || nrports == 0)
5731                 return (wwn_t) 0;
5732
5733         fcs = port->fcs;
5734         bfa_trc(fcs, (u32) nrports);
5735
5736         i = 0;
5737         qh = &port->rport_q;
5738         qe = bfa_q_first(qh);
5739
5740         while ((qe != qh) && (i < nrports)) {
5741                 rport = (struct bfa_fcs_rport_s *) qe;
5742                 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5743                         qe = bfa_q_next(qe);
5744                         bfa_trc(fcs, (u32) rport->pwwn);
5745                         bfa_trc(fcs, rport->pid);
5746                         bfa_trc(fcs, i);
5747                         continue;
5748                 }
5749
5750                 if (bwwn) {
5751                         if (!memcmp(&wwn, &rport->pwwn, 8))
5752                                 break;
5753                 } else {
5754                         if (i == index)
5755                                 break;
5756                 }
5757
5758                 i++;
5759                 qe = bfa_q_next(qe);
5760         }
5761
5762         bfa_trc(fcs, i);
5763         if (rport)
5764                 return rport->pwwn;
5765         else
5766                 return (wwn_t) 0;
5767 }
5768
5769 void
5770 bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port,
5771                 struct bfa_rport_qualifier_s rports[], int *nrports)
5772 {
5773         struct list_head        *qh, *qe;
5774         struct bfa_fcs_rport_s *rport = NULL;
5775         int     i;
5776         struct bfa_fcs_s        *fcs;
5777
5778         if (port == NULL || rports == NULL || *nrports == 0)
5779                 return;
5780
5781         fcs = port->fcs;
5782         bfa_trc(fcs, (u32) *nrports);
5783
5784         i = 0;
5785         qh = &port->rport_q;
5786         qe = bfa_q_first(qh);
5787
5788         while ((qe != qh) && (i < *nrports)) {
5789                 rport = (struct bfa_fcs_rport_s *) qe;
5790                 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5791                         qe = bfa_q_next(qe);
5792                         bfa_trc(fcs, (u32) rport->pwwn);
5793                         bfa_trc(fcs, rport->pid);
5794                         bfa_trc(fcs, i);
5795                         continue;
5796                 }
5797
5798                 if (!rport->pwwn && !rport->pid) {
5799                         qe = bfa_q_next(qe);
5800                         continue;
5801                 }
5802
5803                 rports[i].pwwn = rport->pwwn;
5804                 rports[i].pid = rport->pid;
5805
5806                 i++;
5807                 qe = bfa_q_next(qe);
5808         }
5809
5810         bfa_trc(fcs, i);
5811         *nrports = i;
5812 }
5813
5814 /*
5815  * Iterate's through all the rport's in the given port to
5816  * determine the maximum operating speed.
5817  *
5818  * !!!! To be used in TRL Functionality only !!!!
5819  */
5820 bfa_port_speed_t
5821 bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
5822 {
5823         struct list_head *qh, *qe;
5824         struct bfa_fcs_rport_s *rport = NULL;
5825         struct bfa_fcs_s        *fcs;
5826         bfa_port_speed_t max_speed = 0;
5827         struct bfa_port_attr_s port_attr;
5828         bfa_port_speed_t port_speed, rport_speed;
5829         bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
5830
5831
5832         if (port == NULL)
5833                 return 0;
5834
5835         fcs = port->fcs;
5836
5837         /* Get Physical port's current speed */
5838         bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
5839         port_speed = port_attr.speed;
5840         bfa_trc(fcs, port_speed);
5841
5842         qh = &port->rport_q;
5843         qe = bfa_q_first(qh);
5844
5845         while (qe != qh) {
5846                 rport = (struct bfa_fcs_rport_s *) qe;
5847                 if ((bfa_ntoh3b(rport->pid) > 0xFFF000) ||
5848                         (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE) ||
5849                         (rport->scsi_function != BFA_RPORT_TARGET)) {
5850                         qe = bfa_q_next(qe);
5851                         continue;
5852                 }
5853
5854                 rport_speed = rport->rpf.rpsc_speed;
5855                 if ((trl_enabled) && (rport_speed ==
5856                         BFA_PORT_SPEED_UNKNOWN)) {
5857                         /* Use default ratelim speed setting */
5858                         rport_speed =
5859                                 bfa_fcport_get_ratelim_speed(port->fcs->bfa);
5860                 }
5861
5862                 if (rport_speed > max_speed)
5863                         max_speed = rport_speed;
5864
5865                 qe = bfa_q_next(qe);
5866         }
5867
5868         if (max_speed > port_speed)
5869                 max_speed = port_speed;
5870
5871         bfa_trc(fcs, max_speed);
5872         return max_speed;
5873 }
5874
5875 struct bfa_fcs_lport_s *
5876 bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
5877 {
5878         struct bfa_fcs_vport_s *vport;
5879         bfa_fcs_vf_t   *vf;
5880
5881         WARN_ON(fcs == NULL);
5882
5883         vf = bfa_fcs_vf_lookup(fcs, vf_id);
5884         if (vf == NULL) {
5885                 bfa_trc(fcs, vf_id);
5886                 return NULL;
5887         }
5888
5889         if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
5890                 return &vf->bport;
5891
5892         vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
5893         if (vport)
5894                 return &vport->lport;
5895
5896         return NULL;
5897 }
5898
5899 /*
5900  *  API corresponding to NPIV_VPORT_GETINFO.
5901  */
5902 void
5903 bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
5904          struct bfa_lport_info_s *port_info)
5905 {
5906
5907         bfa_trc(port->fcs, port->fabric->fabric_name);
5908
5909         if (port->vport == NULL) {
5910                 /*
5911                  * This is a Physical port
5912                  */
5913                 port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
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                 port_info->max_vports_supp =
5925                         bfa_lps_get_max_vport(port->fcs->bfa);
5926                 port_info->num_vports_inuse =
5927                         port->fabric->num_vports;
5928                 port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
5929                 port_info->num_rports_inuse = port->num_rports;
5930         } else {
5931                 /*
5932                  * This is a virtual port
5933                  */
5934                 port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
5935
5936                 /*
5937                  * @todo : need to fix the state & reason
5938                  */
5939                 port_info->port_state = 0;
5940                 port_info->offline_reason = 0;
5941
5942                 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5943                 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5944         }
5945 }
5946
5947 void
5948 bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
5949          struct bfa_lport_stats_s *port_stats)
5950 {
5951         *port_stats = fcs_port->stats;
5952 }
5953
5954 void
5955 bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
5956 {
5957         memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
5958 }
5959
5960 /*
5961  * Let new loop map create missing rports
5962  */
5963 void
5964 bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s *port)
5965 {
5966         bfa_fcs_lport_loop_online(port);
5967 }
5968
5969 /*
5970  * FCS virtual port state machine
5971  */
5972
5973 #define __vport_fcs(__vp)       ((__vp)->lport.fcs)
5974 #define __vport_pwwn(__vp)      ((__vp)->lport.port_cfg.pwwn)
5975 #define __vport_nwwn(__vp)      ((__vp)->lport.port_cfg.nwwn)
5976 #define __vport_bfa(__vp)       ((__vp)->lport.fcs->bfa)
5977 #define __vport_fcid(__vp)      ((__vp)->lport.pid)
5978 #define __vport_fabric(__vp)    ((__vp)->lport.fabric)
5979 #define __vport_vfid(__vp)      ((__vp)->lport.fabric->vf_id)
5980
5981 #define BFA_FCS_VPORT_MAX_RETRIES  5
5982 /*
5983  * Forward declarations
5984  */
5985 static void     bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
5986 static void     bfa_fcs_vport_timeout(void *vport_arg);
5987 static void     bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
5988 static void     bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
5989
5990 /*
5991  *  fcs_vport_sm FCS virtual port state machine
5992  */
5993
5994 /*
5995  * VPort State Machine events
5996  */
5997 enum bfa_fcs_vport_event {
5998         BFA_FCS_VPORT_SM_CREATE = 1,    /*  vport create event */
5999         BFA_FCS_VPORT_SM_DELETE = 2,    /*  vport delete event */
6000         BFA_FCS_VPORT_SM_START = 3,     /*  vport start request */
6001         BFA_FCS_VPORT_SM_STOP = 4,      /*  stop: unsupported */
6002         BFA_FCS_VPORT_SM_ONLINE = 5,    /*  fabric online */
6003         BFA_FCS_VPORT_SM_OFFLINE = 6,   /*  fabric offline event */
6004         BFA_FCS_VPORT_SM_FRMSENT = 7,   /*  fdisc/logo sent events */
6005         BFA_FCS_VPORT_SM_RSP_OK = 8,    /*  good response */
6006         BFA_FCS_VPORT_SM_RSP_ERROR = 9, /*  error/bad response */
6007         BFA_FCS_VPORT_SM_TIMEOUT = 10,  /*  delay timer event */
6008         BFA_FCS_VPORT_SM_DELCOMP = 11,  /*  lport delete completion */
6009         BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12,      /*  Dup wnn error*/
6010         BFA_FCS_VPORT_SM_RSP_FAILED = 13,       /*  non-retryable failure */
6011         BFA_FCS_VPORT_SM_STOPCOMP = 14, /* vport delete completion */
6012         BFA_FCS_VPORT_SM_FABRIC_MAX = 15, /* max vports on fabric */
6013 };
6014
6015 static void     bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
6016                                         enum bfa_fcs_vport_event event);
6017 static void     bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
6018                                          enum bfa_fcs_vport_event event);
6019 static void     bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
6020                                          enum bfa_fcs_vport_event event);
6021 static void     bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
6022                                        enum bfa_fcs_vport_event event);
6023 static void     bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6024                                              enum bfa_fcs_vport_event event);
6025 static void     bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6026                                         enum bfa_fcs_vport_event event);
6027 static void     bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6028                                         enum bfa_fcs_vport_event event);
6029 static void     bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6030                                           enum bfa_fcs_vport_event event);
6031 static void     bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6032                                          enum bfa_fcs_vport_event event);
6033 static void     bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6034                                       enum bfa_fcs_vport_event event);
6035 static void     bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6036                                       enum bfa_fcs_vport_event event);
6037 static void     bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6038                                         enum bfa_fcs_vport_event event);
6039 static void     bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6040                                         enum bfa_fcs_vport_event event);
6041
6042 static struct bfa_sm_table_s  vport_sm_table[] = {
6043         {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
6044         {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
6045         {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
6046         {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
6047         {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
6048         {BFA_SM(bfa_fcs_vport_sm_fdisc_rsp_wait), BFA_FCS_VPORT_FDISC_RSP_WAIT},
6049         {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
6050         {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
6051         {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
6052         {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
6053         {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
6054 };
6055
6056 /*
6057  * Beginning state.
6058  */
6059 static void
6060 bfa_fcs_vport_sm_uninit(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_CREATE:
6068                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6069                 bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
6070                 break;
6071
6072         default:
6073                 bfa_sm_fault(__vport_fcs(vport), event);
6074         }
6075 }
6076
6077 /*
6078  * Created state - a start event is required to start up the state machine.
6079  */
6080 static void
6081 bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
6082                         enum bfa_fcs_vport_event event)
6083 {
6084         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6085         bfa_trc(__vport_fcs(vport), event);
6086
6087         switch (event) {
6088         case BFA_FCS_VPORT_SM_START:
6089                 if (bfa_sm_cmp_state(__vport_fabric(vport),
6090                                         bfa_fcs_fabric_sm_online)
6091                     && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
6092                         bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6093                         bfa_fcs_vport_do_fdisc(vport);
6094                 } else {
6095                         /*
6096                          * Fabric is offline or not NPIV capable, stay in
6097                          * offline state.
6098                          */
6099                         vport->vport_stats.fab_no_npiv++;
6100                         bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6101                 }
6102                 break;
6103
6104         case BFA_FCS_VPORT_SM_DELETE:
6105                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6106                 bfa_fcs_lport_delete(&vport->lport);
6107                 break;
6108
6109         case BFA_FCS_VPORT_SM_ONLINE:
6110         case BFA_FCS_VPORT_SM_OFFLINE:
6111                 /*
6112                  * Ignore ONLINE/OFFLINE events from fabric
6113                  * till vport is started.
6114                  */
6115                 break;
6116
6117         default:
6118                 bfa_sm_fault(__vport_fcs(vport), event);
6119         }
6120 }
6121
6122 /*
6123  * Offline state - awaiting ONLINE event from fabric SM.
6124  */
6125 static void
6126 bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
6127                         enum bfa_fcs_vport_event event)
6128 {
6129         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6130         bfa_trc(__vport_fcs(vport), event);
6131
6132         switch (event) {
6133         case BFA_FCS_VPORT_SM_DELETE:
6134                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6135                 bfa_fcs_lport_delete(&vport->lport);
6136                 break;
6137
6138         case BFA_FCS_VPORT_SM_ONLINE:
6139                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6140                 vport->fdisc_retries = 0;
6141                 bfa_fcs_vport_do_fdisc(vport);
6142                 break;
6143
6144         case BFA_FCS_VPORT_SM_STOP:
6145                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6146                 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6147                 break;
6148
6149         case BFA_FCS_VPORT_SM_OFFLINE:
6150                 /*
6151                  * This can happen if the vport couldn't be initialzied
6152                  * due the fact that the npiv was not enabled on the switch.
6153                  * In that case we will put the vport in offline state.
6154                  * However, the link can go down and cause the this event to
6155                  * be sent when we are already offline. Ignore it.
6156                  */
6157                 break;
6158
6159         default:
6160                 bfa_sm_fault(__vport_fcs(vport), event);
6161         }
6162 }
6163
6164
6165 /*
6166  * FDISC is sent and awaiting reply from fabric.
6167  */
6168 static void
6169 bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
6170                         enum bfa_fcs_vport_event event)
6171 {
6172         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6173         bfa_trc(__vport_fcs(vport), event);
6174
6175         switch (event) {
6176         case BFA_FCS_VPORT_SM_DELETE:
6177                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_rsp_wait);
6178                 break;
6179
6180         case BFA_FCS_VPORT_SM_OFFLINE:
6181                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6182                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6183                 break;
6184
6185         case BFA_FCS_VPORT_SM_RSP_OK:
6186                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
6187                 bfa_fcs_lport_online(&vport->lport);
6188                 break;
6189
6190         case BFA_FCS_VPORT_SM_RSP_ERROR:
6191                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
6192                 bfa_timer_start(__vport_bfa(vport), &vport->timer,
6193                                     bfa_fcs_vport_timeout, vport,
6194                                     BFA_FCS_RETRY_TIMEOUT);
6195                 break;
6196
6197         case BFA_FCS_VPORT_SM_RSP_FAILED:
6198         case BFA_FCS_VPORT_SM_FABRIC_MAX:
6199                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6200                 break;
6201
6202         case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6203                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
6204                 break;
6205
6206         default:
6207                 bfa_sm_fault(__vport_fcs(vport), event);
6208         }
6209 }
6210
6211 /*
6212  * FDISC attempt failed - a timer is active to retry FDISC.
6213  */
6214 static void
6215 bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6216                              enum bfa_fcs_vport_event event)
6217 {
6218         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6219         bfa_trc(__vport_fcs(vport), event);
6220
6221         switch (event) {
6222         case BFA_FCS_VPORT_SM_DELETE:
6223                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6224                 bfa_timer_stop(&vport->timer);
6225                 bfa_fcs_lport_delete(&vport->lport);
6226                 break;
6227
6228         case BFA_FCS_VPORT_SM_OFFLINE:
6229                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6230                 bfa_timer_stop(&vport->timer);
6231                 break;
6232
6233         case BFA_FCS_VPORT_SM_TIMEOUT:
6234                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6235                 vport->vport_stats.fdisc_retries++;
6236                 vport->fdisc_retries++;
6237                 bfa_fcs_vport_do_fdisc(vport);
6238                 break;
6239
6240         default:
6241                 bfa_sm_fault(__vport_fcs(vport), event);
6242         }
6243 }
6244
6245 /*
6246  * FDISC is in progress and we got a vport delete request -
6247  * this is a wait state while we wait for fdisc response and
6248  * we will transition to the appropriate state - on rsp status.
6249  */
6250 static void
6251 bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6252                                 enum bfa_fcs_vport_event event)
6253 {
6254         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6255         bfa_trc(__vport_fcs(vport), event);
6256
6257         switch (event) {
6258         case BFA_FCS_VPORT_SM_RSP_OK:
6259                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6260                 bfa_fcs_lport_delete(&vport->lport);
6261                 break;
6262
6263         case BFA_FCS_VPORT_SM_DELETE:
6264                 break;
6265
6266         case BFA_FCS_VPORT_SM_OFFLINE:
6267         case BFA_FCS_VPORT_SM_RSP_ERROR:
6268         case BFA_FCS_VPORT_SM_RSP_FAILED:
6269         case BFA_FCS_VPORT_SM_FABRIC_MAX:
6270         case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6271                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6272                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6273                 bfa_fcs_lport_delete(&vport->lport);
6274                 break;
6275
6276         default:
6277                 bfa_sm_fault(__vport_fcs(vport), event);
6278         }
6279 }
6280
6281 /*
6282  * Vport is online (FDISC is complete).
6283  */
6284 static void
6285 bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6286                         enum bfa_fcs_vport_event event)
6287 {
6288         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6289         bfa_trc(__vport_fcs(vport), event);
6290
6291         switch (event) {
6292         case BFA_FCS_VPORT_SM_DELETE:
6293                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6294                 bfa_fcs_lport_delete(&vport->lport);
6295                 break;
6296
6297         case BFA_FCS_VPORT_SM_STOP:
6298                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_stopping);
6299                 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6300                 break;
6301
6302         case BFA_FCS_VPORT_SM_OFFLINE:
6303                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6304                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6305                 bfa_fcs_lport_offline(&vport->lport);
6306                 break;
6307
6308         default:
6309                 bfa_sm_fault(__vport_fcs(vport), event);
6310         }
6311 }
6312
6313 /*
6314  * Vport is being stopped - awaiting lport stop completion to send
6315  * LOGO to fabric.
6316  */
6317 static void
6318 bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6319                           enum bfa_fcs_vport_event event)
6320 {
6321         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6322         bfa_trc(__vport_fcs(vport), event);
6323
6324         switch (event) {
6325         case BFA_FCS_VPORT_SM_STOPCOMP:
6326                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo_for_stop);
6327                 bfa_fcs_vport_do_logo(vport);
6328                 break;
6329
6330         case BFA_FCS_VPORT_SM_OFFLINE:
6331                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6332                 break;
6333
6334         default:
6335                 bfa_sm_fault(__vport_fcs(vport), event);
6336         }
6337 }
6338
6339 /*
6340  * Vport is being deleted - awaiting lport delete completion to send
6341  * LOGO to fabric.
6342  */
6343 static void
6344 bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6345                         enum bfa_fcs_vport_event event)
6346 {
6347         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6348         bfa_trc(__vport_fcs(vport), event);
6349
6350         switch (event) {
6351         case BFA_FCS_VPORT_SM_DELETE:
6352                 break;
6353
6354         case BFA_FCS_VPORT_SM_DELCOMP:
6355                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
6356                 bfa_fcs_vport_do_logo(vport);
6357                 break;
6358
6359         case BFA_FCS_VPORT_SM_OFFLINE:
6360                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6361                 break;
6362
6363         default:
6364                 bfa_sm_fault(__vport_fcs(vport), event);
6365         }
6366 }
6367
6368 /*
6369  * Error State.
6370  * This state will be set when the Vport Creation fails due
6371  * to errors like Dup WWN. In this state only operation allowed
6372  * is a Vport Delete.
6373  */
6374 static void
6375 bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6376                         enum bfa_fcs_vport_event event)
6377 {
6378         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6379         bfa_trc(__vport_fcs(vport), event);
6380
6381         switch (event) {
6382         case BFA_FCS_VPORT_SM_DELETE:
6383                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6384                 bfa_fcs_lport_delete(&vport->lport);
6385                 break;
6386
6387         default:
6388                 bfa_trc(__vport_fcs(vport), event);
6389         }
6390 }
6391
6392 /*
6393  * Lport cleanup is in progress since vport is being deleted. Fabric is
6394  * offline, so no LOGO is needed to complete vport deletion.
6395  */
6396 static void
6397 bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6398                         enum bfa_fcs_vport_event event)
6399 {
6400         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6401         bfa_trc(__vport_fcs(vport), event);
6402
6403         switch (event) {
6404         case BFA_FCS_VPORT_SM_DELCOMP:
6405                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6406                 bfa_fcs_vport_free(vport);
6407                 break;
6408
6409         case BFA_FCS_VPORT_SM_STOPCOMP:
6410                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6411                 break;
6412
6413         case BFA_FCS_VPORT_SM_DELETE:
6414                 break;
6415
6416         default:
6417                 bfa_sm_fault(__vport_fcs(vport), event);
6418         }
6419 }
6420
6421 /*
6422  * LOGO is sent to fabric. Vport stop is in progress. Lport stop cleanup
6423  * is done.
6424  */
6425 static void
6426 bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6427                                enum bfa_fcs_vport_event event)
6428 {
6429         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6430         bfa_trc(__vport_fcs(vport), event);
6431
6432         switch (event) {
6433         case BFA_FCS_VPORT_SM_OFFLINE:
6434                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6435                 /*
6436                  * !!! fall through !!!
6437                  */
6438
6439         case BFA_FCS_VPORT_SM_RSP_OK:
6440         case BFA_FCS_VPORT_SM_RSP_ERROR:
6441                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6442                 break;
6443
6444         default:
6445                 bfa_sm_fault(__vport_fcs(vport), event);
6446         }
6447 }
6448
6449 /*
6450  * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
6451  * is done.
6452  */
6453 static void
6454 bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6455                         enum bfa_fcs_vport_event event)
6456 {
6457         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6458         bfa_trc(__vport_fcs(vport), event);
6459
6460         switch (event) {
6461         case BFA_FCS_VPORT_SM_OFFLINE:
6462                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6463                 /*
6464                  * !!! fall through !!!
6465                  */
6466
6467         case BFA_FCS_VPORT_SM_RSP_OK:
6468         case BFA_FCS_VPORT_SM_RSP_ERROR:
6469                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6470                 bfa_fcs_vport_free(vport);
6471                 break;
6472
6473         case BFA_FCS_VPORT_SM_DELETE:
6474                 break;
6475
6476         default:
6477                 bfa_sm_fault(__vport_fcs(vport), event);
6478         }
6479 }
6480
6481
6482
6483 /*
6484  *  fcs_vport_private FCS virtual port private functions
6485  */
6486 /*
6487  * Send AEN notification
6488  */
6489 static void
6490 bfa_fcs_vport_aen_post(struct bfa_fcs_lport_s *port,
6491                        enum bfa_lport_aen_event event)
6492 {
6493         struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
6494         struct bfa_aen_entry_s  *aen_entry;
6495
6496         bfad_get_aen_entry(bfad, aen_entry);
6497         if (!aen_entry)
6498                 return;
6499
6500         aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
6501         aen_entry->aen_data.lport.roles = port->port_cfg.roles;
6502         aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
6503                                         bfa_fcs_get_base_port(port->fcs));
6504         aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
6505
6506         /* Send the AEN notification */
6507         bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
6508                                   BFA_AEN_CAT_LPORT, event);
6509 }
6510
6511 /*
6512  * This routine will be called to send a FDISC command.
6513  */
6514 static void
6515 bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
6516 {
6517         bfa_lps_fdisc(vport->lps, vport,
6518                 bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
6519                 __vport_pwwn(vport), __vport_nwwn(vport));
6520         vport->vport_stats.fdisc_sent++;
6521 }
6522
6523 static void
6524 bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
6525 {
6526         u8              lsrjt_rsn = vport->lps->lsrjt_rsn;
6527         u8              lsrjt_expl = vport->lps->lsrjt_expl;
6528
6529         bfa_trc(__vport_fcs(vport), lsrjt_rsn);
6530         bfa_trc(__vport_fcs(vport), lsrjt_expl);
6531
6532         /* For certain reason codes, we don't want to retry. */
6533         switch (vport->lps->lsrjt_expl) {
6534         case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
6535         case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
6536                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6537                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6538                 else {
6539                         bfa_fcs_vport_aen_post(&vport->lport,
6540                                         BFA_LPORT_AEN_NPIV_DUP_WWN);
6541                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
6542                 }
6543                 break;
6544
6545         case FC_LS_RJT_EXP_INSUFF_RES:
6546                 /*
6547                  * This means max logins per port/switch setting on the
6548                  * switch was exceeded.
6549                  */
6550                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6551                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6552                 else {
6553                         bfa_fcs_vport_aen_post(&vport->lport,
6554                                         BFA_LPORT_AEN_NPIV_FABRIC_MAX);
6555                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_FABRIC_MAX);
6556                 }
6557                 break;
6558
6559         default:
6560                 if (vport->fdisc_retries == 0)
6561                         bfa_fcs_vport_aen_post(&vport->lport,
6562                                         BFA_LPORT_AEN_NPIV_UNKNOWN);
6563                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6564         }
6565 }
6566
6567 /*
6568  *      Called to send a logout to the fabric. Used when a V-Port is
6569  *      deleted/stopped.
6570  */
6571 static void
6572 bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
6573 {
6574         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6575
6576         vport->vport_stats.logo_sent++;
6577         bfa_lps_fdisclogo(vport->lps);
6578 }
6579
6580
6581 /*
6582  *     This routine will be called by bfa_timer on timer timeouts.
6583  *
6584  *      param[in]       vport           - pointer to bfa_fcs_vport_t.
6585  *      param[out]      vport_status    - pointer to return vport status in
6586  *
6587  *      return
6588  *              void
6589  *
6590  *      Special Considerations:
6591  *
6592  *      note
6593  */
6594 static void
6595 bfa_fcs_vport_timeout(void *vport_arg)
6596 {
6597         struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
6598
6599         vport->vport_stats.fdisc_timeouts++;
6600         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
6601 }
6602
6603 static void
6604 bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
6605 {
6606         struct bfad_vport_s *vport_drv =
6607                         (struct bfad_vport_s *)vport->vport_drv;
6608
6609         bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
6610         bfa_lps_delete(vport->lps);
6611
6612         if (vport_drv->comp_del) {
6613                 complete(vport_drv->comp_del);
6614                 return;
6615         }
6616
6617         /*
6618          * We queue the vport delete work to the IM work_q from here.
6619          * The memory for the bfad_vport_s is freed from the FC function
6620          * template vport_delete entry point.
6621          */
6622         bfad_im_port_delete(vport_drv->drv_port.bfad, &vport_drv->drv_port);
6623 }
6624
6625 /*
6626  *  fcs_vport_public FCS virtual port public interfaces
6627  */
6628
6629 /*
6630  * Online notification from fabric SM.
6631  */
6632 void
6633 bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
6634 {
6635         vport->vport_stats.fab_online++;
6636         if (bfa_fcs_fabric_npiv_capable(__vport_fabric(vport)))
6637                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6638         else
6639                 vport->vport_stats.fab_no_npiv++;
6640 }
6641
6642 /*
6643  * Offline notification from fabric SM.
6644  */
6645 void
6646 bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
6647 {
6648         vport->vport_stats.fab_offline++;
6649         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6650 }
6651
6652 /*
6653  * Cleanup notification from fabric SM on link timer expiry.
6654  */
6655 void
6656 bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
6657 {
6658         vport->vport_stats.fab_cleanup++;
6659 }
6660
6661 /*
6662  * Stop notification from fabric SM. To be invoked from within FCS.
6663  */
6664 void
6665 bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport)
6666 {
6667         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6668 }
6669
6670 /*
6671  * delete notification from fabric SM. To be invoked from within FCS.
6672  */
6673 void
6674 bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
6675 {
6676         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6677 }
6678
6679 /*
6680  * Stop completion callback from associated lport
6681  */
6682 void
6683 bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport)
6684 {
6685         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOPCOMP);
6686 }
6687
6688 /*
6689  * Delete completion callback from associated lport
6690  */
6691 void
6692 bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
6693 {
6694         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
6695 }
6696
6697
6698
6699 /*
6700  *  fcs_vport_api Virtual port API
6701  */
6702
6703 /*
6704  *      Use this function to instantiate a new FCS vport object. This
6705  *      function will not trigger any HW initialization process (which will be
6706  *      done in vport_start() call)
6707  *
6708  *      param[in] vport -               pointer to bfa_fcs_vport_t. This space
6709  *                                      needs to be allocated by the driver.
6710  *      param[in] fcs           -       FCS instance
6711  *      param[in] vport_cfg     -       vport configuration
6712  *      param[in] vf_id         -       VF_ID if vport is created within a VF.
6713  *                                      FC_VF_ID_NULL to specify base fabric.
6714  *      param[in] vport_drv     -       Opaque handle back to the driver's vport
6715  *                                      structure
6716  *
6717  *      retval BFA_STATUS_OK - on success.
6718  *      retval BFA_STATUS_FAILED - on failure.
6719  */
6720 bfa_status_t
6721 bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6722                 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6723                 struct bfad_vport_s *vport_drv)
6724 {
6725         if (vport_cfg->pwwn == 0)
6726                 return BFA_STATUS_INVALID_WWN;
6727
6728         if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
6729                 return BFA_STATUS_VPORT_WWN_BP;
6730
6731         if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
6732                 return BFA_STATUS_VPORT_EXISTS;
6733
6734         if (fcs->fabric.num_vports ==
6735                         bfa_lps_get_max_vport(fcs->bfa))
6736                 return BFA_STATUS_VPORT_MAX;
6737
6738         vport->lps = bfa_lps_alloc(fcs->bfa);
6739         if (!vport->lps)
6740                 return BFA_STATUS_VPORT_MAX;
6741
6742         vport->vport_drv = vport_drv;
6743         vport_cfg->preboot_vp = BFA_FALSE;
6744
6745         bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6746         bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
6747         bfa_fcs_lport_init(&vport->lport, vport_cfg);
6748         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
6749
6750         return BFA_STATUS_OK;
6751 }
6752
6753 /*
6754  *      Use this function to instantiate a new FCS PBC vport object. This
6755  *      function will not trigger any HW initialization process (which will be
6756  *      done in vport_start() call)
6757  *
6758  *      param[in] vport -       pointer to bfa_fcs_vport_t. This space
6759  *                              needs to be allocated by the driver.
6760  *      param[in] fcs   -       FCS instance
6761  *      param[in] vport_cfg     -       vport configuration
6762  *      param[in] vf_id         -       VF_ID if vport is created within a VF.
6763  *                                      FC_VF_ID_NULL to specify base fabric.
6764  *      param[in] vport_drv     -       Opaque handle back to the driver's vport
6765  *                                      structure
6766  *
6767  *      retval BFA_STATUS_OK - on success.
6768  *      retval BFA_STATUS_FAILED - on failure.
6769  */
6770 bfa_status_t
6771 bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6772                         u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6773                         struct bfad_vport_s *vport_drv)
6774 {
6775         bfa_status_t rc;
6776
6777         rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
6778         vport->lport.port_cfg.preboot_vp = BFA_TRUE;
6779
6780         return rc;
6781 }
6782
6783 /*
6784  *      Use this function to findout if this is a pbc vport or not.
6785  *
6786  * @param[in] vport - pointer to bfa_fcs_vport_t.
6787  *
6788  * @returns None
6789  */
6790 bfa_boolean_t
6791 bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
6792 {
6793
6794         if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
6795                 return BFA_TRUE;
6796         else
6797                 return BFA_FALSE;
6798
6799 }
6800
6801 /*
6802  * Use this function initialize the vport.
6803  *
6804  * @param[in] vport - pointer to bfa_fcs_vport_t.
6805  *
6806  * @returns None
6807  */
6808 bfa_status_t
6809 bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
6810 {
6811         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
6812
6813         return BFA_STATUS_OK;
6814 }
6815
6816 /*
6817  *      Use this function quiese the vport object. This function will return
6818  *      immediately, when the vport is actually stopped, the
6819  *      bfa_drv_vport_stop_cb() will be called.
6820  *
6821  *      param[in] vport - pointer to bfa_fcs_vport_t.
6822  *
6823  *      return None
6824  */
6825 bfa_status_t
6826 bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
6827 {
6828         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6829
6830         return BFA_STATUS_OK;
6831 }
6832
6833 /*
6834  *      Use this function to delete a vport object. Fabric object should
6835  *      be stopped before this function call.
6836  *
6837  *      !!!!!!! Donot invoke this from within FCS  !!!!!!!
6838  *
6839  *      param[in] vport - pointer to bfa_fcs_vport_t.
6840  *
6841  *      return     None
6842  */
6843 bfa_status_t
6844 bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
6845 {
6846
6847         if (vport->lport.port_cfg.preboot_vp)
6848                 return BFA_STATUS_PBC;
6849
6850         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6851
6852         return BFA_STATUS_OK;
6853 }
6854
6855 /*
6856  *      Use this function to get vport's current status info.
6857  *
6858  *      param[in] vport         pointer to bfa_fcs_vport_t.
6859  *      param[out] attr         pointer to return vport attributes
6860  *
6861  *      return None
6862  */
6863 void
6864 bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
6865                         struct bfa_vport_attr_s *attr)
6866 {
6867         if (vport == NULL || attr == NULL)
6868                 return;
6869
6870         memset(attr, 0, sizeof(struct bfa_vport_attr_s));
6871
6872         bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
6873         attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
6874 }
6875
6876
6877 /*
6878  *      Lookup a virtual port. Excludes base port from lookup.
6879  */
6880 struct bfa_fcs_vport_s *
6881 bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
6882 {
6883         struct bfa_fcs_vport_s *vport;
6884         struct bfa_fcs_fabric_s *fabric;
6885
6886         bfa_trc(fcs, vf_id);
6887         bfa_trc(fcs, vpwwn);
6888
6889         fabric = bfa_fcs_vf_lookup(fcs, vf_id);
6890         if (!fabric) {
6891                 bfa_trc(fcs, vf_id);
6892                 return NULL;
6893         }
6894
6895         vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
6896         return vport;
6897 }
6898
6899 /*
6900  * FDISC Response
6901  */
6902 void
6903 bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
6904 {
6905         struct bfa_fcs_vport_s *vport = uarg;
6906
6907         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6908         bfa_trc(__vport_fcs(vport), status);
6909
6910         switch (status) {
6911         case BFA_STATUS_OK:
6912                 /*
6913                  * Initialize the V-Port fields
6914                  */
6915                 __vport_fcid(vport) = vport->lps->lp_pid;
6916                 vport->vport_stats.fdisc_accepts++;
6917                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6918                 break;
6919
6920         case BFA_STATUS_INVALID_MAC:
6921                 /* Only for CNA */
6922                 vport->vport_stats.fdisc_acc_bad++;
6923                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6924
6925                 break;
6926
6927         case BFA_STATUS_EPROTOCOL:
6928                 switch (vport->lps->ext_status) {
6929                 case BFA_EPROTO_BAD_ACCEPT:
6930                         vport->vport_stats.fdisc_acc_bad++;
6931                         break;
6932
6933                 case BFA_EPROTO_UNKNOWN_RSP:
6934                         vport->vport_stats.fdisc_unknown_rsp++;
6935                         break;
6936
6937                 default:
6938                         break;
6939                 }
6940
6941                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6942                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6943                 else
6944                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6945
6946                 break;
6947
6948         case BFA_STATUS_ETIMER:
6949                 vport->vport_stats.fdisc_timeouts++;
6950                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6951                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6952                 else
6953                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6954                 break;
6955
6956         case BFA_STATUS_FABRIC_RJT:
6957                 vport->vport_stats.fdisc_rejects++;
6958                 bfa_fcs_vport_fdisc_rejected(vport);
6959                 break;
6960
6961         default:
6962                 vport->vport_stats.fdisc_rsp_err++;
6963                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6964         }
6965 }
6966
6967 /*
6968  * LOGO response
6969  */
6970 void
6971 bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
6972 {
6973         struct bfa_fcs_vport_s *vport = uarg;
6974         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6975 }
6976
6977 /*
6978  * Received clear virtual link
6979  */
6980 void
6981 bfa_cb_lps_cvl_event(void *bfad, void *uarg)
6982 {
6983         struct bfa_fcs_vport_s *vport = uarg;
6984
6985         /* Send an Offline followed by an ONLINE */
6986         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6987         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6988 }