drivers/scsi/bfa/bfa_fcs_lport.c

   1 /*
   2  * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
   3  * Copyright (c) 2014- QLogic Corporation.
   4  * All rights reserved
   5  * www.qlogic.com
   6  *
   7  * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public License (GPL) Version 2 as
  11  * published by the Free Software Foundation
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  */
  18
  19 #include "bfad_drv.h"
  20 #include "bfad_im.h"
  21 #include "bfa_fcs.h"
  22 #include "bfa_fcbuild.h"
  23 #include "bfa_fc.h"
  24
  25 BFA_TRC_FILE(FCS, PORT);
  26
  27 /*
  28  * ALPA to LIXA bitmap mapping
  29  *
  30  * ALPA 0x00 (Word 0, Bit 30) is invalid for N_Ports. Also Word 0 Bit 31
  31  * is for L_bit (login required) and is filled as ALPA 0x00 here.
  32  */
  33 static const u8 loop_alpa_map[] = {
  34         0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x0F, 0x10, /* Word 0 Bits 31..24 */
  35         0x17, 0x18, 0x1B, 0x1D, 0x1E, 0x1F, 0x23, 0x25, /* Word 0 Bits 23..16 */
  36         0x26, 0x27, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, /* Word 0 Bits 15..08 */
  37         0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x39, 0x3A, /* Word 0 Bits 07..00 */
  38
  39         0x3C, 0x43, 0x45, 0x46, 0x47, 0x49, 0x4A, 0x4B, /* Word 1 Bits 31..24 */
  40         0x4C, 0x4D, 0x4E, 0x51, 0x52, 0x53, 0x54, 0x55, /* Word 1 Bits 23..16 */
  41         0x56, 0x59, 0x5A, 0x5C, 0x63, 0x65, 0x66, 0x67, /* Word 1 Bits 15..08 */
  42         0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x71, 0x72, /* Word 1 Bits 07..00 */
  43
  44         0x73, 0x74, 0x75, 0x76, 0x79, 0x7A, 0x7C, 0x80, /* Word 2 Bits 31..24 */
  45         0x81, 0x82, 0x84, 0x88, 0x8F, 0x90, 0x97, 0x98, /* Word 2 Bits 23..16 */
  46         0x9B, 0x9D, 0x9E, 0x9F, 0xA3, 0xA5, 0xA6, 0xA7, /* Word 2 Bits 15..08 */
  47         0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xB1, 0xB2, /* Word 2 Bits 07..00 */
  48
  49         0xB3, 0xB4, 0xB5, 0xB6, 0xB9, 0xBA, 0xBC, 0xC3, /* Word 3 Bits 31..24 */
  50         0xC5, 0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, /* Word 3 Bits 23..16 */
  51         0xCE, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD9, /* Word 3 Bits 15..08 */
  52         0xDA, 0xDC, 0xE0, 0xE1, 0xE2, 0xE4, 0xE8, 0xEF, /* Word 3 Bits 07..00 */
  53 };
  54
  55 static void     bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
  56                                          struct fchs_s *rx_fchs, u8 reason_code,
  57                                          u8 reason_code_expl);
  58 static void     bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
  59                         struct fchs_s *rx_fchs, struct fc_logi_s *plogi);
  60 static void     bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port);
  61 static void     bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port);
  62 static void     bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port);
  63 static void     bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port);
  64 static void     bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port);
  65 static void     bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port);
  66 static void     bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port,
  67                         struct fchs_s *rx_fchs,
  68                         struct fc_echo_s *echo, u16 len);
  69 static void     bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port,
  70                         struct fchs_s *rx_fchs,
  71                         struct fc_rnid_cmd_s *rnid, u16 len);
  72 static void     bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
  73                         struct fc_rnid_general_topology_data_s *gen_topo_data);
  74
  75 static void     bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port);
  76 static void     bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port);
  77 static void     bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port);
  78
  79 static void     bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
  80 static void     bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
  81 static void     bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);
  82
  83 static void     bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port);
  84 static void     bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port);
  85 static void     bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port);
  86
  87 static struct {
  88         void            (*init) (struct bfa_fcs_lport_s *port);
  89         void            (*online) (struct bfa_fcs_lport_s *port);
  90         void            (*offline) (struct bfa_fcs_lport_s *port);
  91 } __port_action[] = {
  92         [BFA_FCS_FABRIC_UNKNOWN] = {
  93                 .init = bfa_fcs_lport_unknown_init,
  94                 .online = bfa_fcs_lport_unknown_online,
  95                 .offline = bfa_fcs_lport_unknown_offline
  96         },
  97         [BFA_FCS_FABRIC_SWITCHED] = {
  98                 .init = bfa_fcs_lport_fab_init,
  99                 .online = bfa_fcs_lport_fab_online,
 100                 .offline = bfa_fcs_lport_fab_offline
 101         },
 102         [BFA_FCS_FABRIC_N2N] = {
 103                 .init = bfa_fcs_lport_n2n_init,
 104                 .online = bfa_fcs_lport_n2n_online,
 105                 .offline = bfa_fcs_lport_n2n_offline
 106         },
 107         [BFA_FCS_FABRIC_LOOP] = {
 108                 .init = bfa_fcs_lport_loop_init,
 109                 .online = bfa_fcs_lport_loop_online,
 110                 .offline = bfa_fcs_lport_loop_offline
 111         },
 112 };
 113
 114 /*
 115  *  fcs_port_sm FCS logical port state machine
 116  */
 117
 118 enum bfa_fcs_lport_event {
 119         BFA_FCS_PORT_SM_CREATE = 1,
 120         BFA_FCS_PORT_SM_ONLINE = 2,
 121         BFA_FCS_PORT_SM_OFFLINE = 3,
 122         BFA_FCS_PORT_SM_DELETE = 4,
 123         BFA_FCS_PORT_SM_DELRPORT = 5,
 124         BFA_FCS_PORT_SM_STOP = 6,
 125 };
 126
 127 static void     bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s *port,
 128                                         enum bfa_fcs_lport_event event);
 129 static void     bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
 130                                         enum bfa_fcs_lport_event event);
 131 static void     bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port,
 132                                         enum bfa_fcs_lport_event event);
 133 static void     bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port,
 134                                         enum bfa_fcs_lport_event event);
 135 static void     bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port,
 136                                         enum bfa_fcs_lport_event event);
 137 static void     bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
 138                                         enum bfa_fcs_lport_event event);
 139
 140 static void
 141 bfa_fcs_lport_sm_uninit(
 142         struct bfa_fcs_lport_s *port,
 143         enum bfa_fcs_lport_event event)
 144 {
 145         bfa_trc(port->fcs, port->port_cfg.pwwn);
 146         bfa_trc(port->fcs, event);
 147
 148         switch (event) {
 149         case BFA_FCS_PORT_SM_CREATE:
 150                 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 151                 break;
 152
 153         default:
 154                 bfa_sm_fault(port->fcs, event);
 155         }
 156 }
 157
 158 static void
 159 bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
 160                         enum bfa_fcs_lport_event event)
 161 {
 162         bfa_trc(port->fcs, port->port_cfg.pwwn);
 163         bfa_trc(port->fcs, event);
 164
 165         switch (event) {
 166         case BFA_FCS_PORT_SM_ONLINE:
 167                 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
 168                 bfa_fcs_lport_online_actions(port);
 169                 break;
 170
 171         case BFA_FCS_PORT_SM_DELETE:
 172                 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 173                 bfa_fcs_lport_deleted(port);
 174                 break;
 175
 176         case BFA_FCS_PORT_SM_STOP:
 177                 /* If vport - send completion call back */
 178                 if (port->vport)
 179                         bfa_fcs_vport_stop_comp(port->vport);
 180                 else
 181                         bfa_wc_down(&(port->fabric->stop_wc));
 182                 break;
 183
 184         case BFA_FCS_PORT_SM_OFFLINE:
 185                 break;
 186
 187         default:
 188                 bfa_sm_fault(port->fcs, event);
 189         }
 190 }
 191
 192 static void
 193 bfa_fcs_lport_sm_online(
 194         struct bfa_fcs_lport_s *port,
 195         enum bfa_fcs_lport_event event)
 196 {
 197         struct bfa_fcs_rport_s *rport;
 198         struct list_head                *qe, *qen;
 199
 200         bfa_trc(port->fcs, port->port_cfg.pwwn);
 201         bfa_trc(port->fcs, event);
 202
 203         switch (event) {
 204         case BFA_FCS_PORT_SM_OFFLINE:
 205                 bfa_sm_set_state(port, bfa_fcs_lport_sm_offline);
 206                 bfa_fcs_lport_offline_actions(port);
 207                 break;
 208
 209         case BFA_FCS_PORT_SM_STOP:
 210                 __port_action[port->fabric->fab_type].offline(port);
 211
 212                 if (port->num_rports == 0) {
 213                         bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 214                         /* If vport - send completion call back */
 215                         if (port->vport)
 216                                 bfa_fcs_vport_stop_comp(port->vport);
 217                         else
 218                                 bfa_wc_down(&(port->fabric->stop_wc));
 219                 } else {
 220                         bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
 221                         list_for_each_safe(qe, qen, &port->rport_q) {
 222                                 rport = (struct bfa_fcs_rport_s *) qe;
 223                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 224                         }
 225                 }
 226                 break;
 227
 228         case BFA_FCS_PORT_SM_DELETE:
 229
 230                 __port_action[port->fabric->fab_type].offline(port);
 231
 232                 if (port->num_rports == 0) {
 233                         bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 234                         bfa_fcs_lport_deleted(port);
 235                 } else {
 236                         bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
 237                         list_for_each_safe(qe, qen, &port->rport_q) {
 238                                 rport = (struct bfa_fcs_rport_s *) qe;
 239                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 240                         }
 241                 }
 242                 break;
 243
 244         case BFA_FCS_PORT_SM_DELRPORT:
 245                 break;
 246
 247         default:
 248                 bfa_sm_fault(port->fcs, event);
 249         }
 250 }
 251
 252 static void
 253 bfa_fcs_lport_sm_offline(
 254         struct bfa_fcs_lport_s *port,
 255         enum bfa_fcs_lport_event event)
 256 {
 257         struct bfa_fcs_rport_s *rport;
 258         struct list_head                *qe, *qen;
 259
 260         bfa_trc(port->fcs, port->port_cfg.pwwn);
 261         bfa_trc(port->fcs, event);
 262
 263         switch (event) {
 264         case BFA_FCS_PORT_SM_ONLINE:
 265                 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
 266                 bfa_fcs_lport_online_actions(port);
 267                 break;
 268
 269         case BFA_FCS_PORT_SM_STOP:
 270                 if (port->num_rports == 0) {
 271                         bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 272                         /* If vport - send completion call back */
 273                         if (port->vport)
 274                                 bfa_fcs_vport_stop_comp(port->vport);
 275                         else
 276                                 bfa_wc_down(&(port->fabric->stop_wc));
 277                 } else {
 278                         bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
 279                         list_for_each_safe(qe, qen, &port->rport_q) {
 280                                 rport = (struct bfa_fcs_rport_s *) qe;
 281                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 282                         }
 283                 }
 284                 break;
 285
 286         case BFA_FCS_PORT_SM_DELETE:
 287                 if (port->num_rports == 0) {
 288                         bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 289                         bfa_fcs_lport_deleted(port);
 290                 } else {
 291                         bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
 292                         list_for_each_safe(qe, qen, &port->rport_q) {
 293                                 rport = (struct bfa_fcs_rport_s *) qe;
 294                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 295                         }
 296                 }
 297                 break;
 298
 299         case BFA_FCS_PORT_SM_DELRPORT:
 300         case BFA_FCS_PORT_SM_OFFLINE:
 301                 break;
 302
 303         default:
 304                 bfa_sm_fault(port->fcs, event);
 305         }
 306 }
 307
 308 static void
 309 bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
 310                           enum bfa_fcs_lport_event event)
 311 {
 312         bfa_trc(port->fcs, port->port_cfg.pwwn);
 313         bfa_trc(port->fcs, event);
 314
 315         switch (event) {
 316         case BFA_FCS_PORT_SM_DELRPORT:
 317                 if (port->num_rports == 0) {
 318                         bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 319                         /* If vport - send completion call back */
 320                         if (port->vport)
 321                                 bfa_fcs_vport_stop_comp(port->vport);
 322                         else
 323                                 bfa_wc_down(&(port->fabric->stop_wc));
 324                 }
 325                 break;
 326
 327         default:
 328                 bfa_sm_fault(port->fcs, event);
 329         }
 330 }
 331
 332 static void
 333 bfa_fcs_lport_sm_deleting(
 334         struct bfa_fcs_lport_s *port,
 335         enum bfa_fcs_lport_event event)
 336 {
 337         bfa_trc(port->fcs, port->port_cfg.pwwn);
 338         bfa_trc(port->fcs, event);
 339
 340         switch (event) {
 341         case BFA_FCS_PORT_SM_DELRPORT:
 342                 if (port->num_rports == 0) {
 343                         bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 344                         bfa_fcs_lport_deleted(port);
 345                 }
 346                 break;
 347
 348         default:
 349                 bfa_sm_fault(port->fcs, event);
 350         }
 351 }
 352
 353 /*
 354  *  fcs_port_pvt
 355  */
 356
 357 /*
 358  * Send AEN notification
 359  */
 360 static void
 361 bfa_fcs_lport_aen_post(struct bfa_fcs_lport_s *port,
 362                         enum bfa_lport_aen_event event)
 363 {
 364         struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
 365         struct bfa_aen_entry_s  *aen_entry;
 366
 367         bfad_get_aen_entry(bfad, aen_entry);
 368         if (!aen_entry)
 369                 return;
 370
 371         aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
 372         aen_entry->aen_data.lport.roles = port->port_cfg.roles;
 373         aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
 374                                         bfa_fcs_get_base_port(port->fcs));
 375         aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
 376
 377         /* Send the AEN notification */
 378         bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
 379                                   BFA_AEN_CAT_LPORT, event);
 380 }
 381
 382 /*
 383  * Send a LS reject
 384  */
 385 static void
 386 bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
 387                          u8 reason_code, u8 reason_code_expl)
 388 {
 389         struct fchs_s   fchs;
 390         struct bfa_fcxp_s *fcxp;
 391         struct bfa_rport_s *bfa_rport = NULL;
 392         int             len;
 393
 394         bfa_trc(port->fcs, rx_fchs->d_id);
 395         bfa_trc(port->fcs, rx_fchs->s_id);
 396
 397         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 398         if (!fcxp)
 399                 return;
 400
 401         len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 402                               rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 403                               rx_fchs->ox_id, reason_code, reason_code_expl);
 404
 405         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 406                           BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 407                           FC_MAX_PDUSZ, 0);
 408 }
 409
 410 /*
 411  * Send a FCCT Reject
 412  */
 413 static void
 414 bfa_fcs_lport_send_fcgs_rjt(struct bfa_fcs_lport_s *port,
 415         struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl)
 416 {
 417         struct fchs_s   fchs;
 418         struct bfa_fcxp_s *fcxp;
 419         struct bfa_rport_s *bfa_rport = NULL;
 420         int             len;
 421         struct ct_hdr_s *rx_cthdr = (struct ct_hdr_s *)(rx_fchs + 1);
 422         struct ct_hdr_s *ct_hdr;
 423
 424         bfa_trc(port->fcs, rx_fchs->d_id);
 425         bfa_trc(port->fcs, rx_fchs->s_id);
 426
 427         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 428         if (!fcxp)
 429                 return;
 430
 431         ct_hdr = bfa_fcxp_get_reqbuf(fcxp);
 432         ct_hdr->gs_type = rx_cthdr->gs_type;
 433         ct_hdr->gs_sub_type = rx_cthdr->gs_sub_type;
 434
 435         len = fc_gs_rjt_build(&fchs, ct_hdr, rx_fchs->s_id,
 436                         bfa_fcs_lport_get_fcid(port),
 437                         rx_fchs->ox_id, reason_code, reason_code_expl);
 438
 439         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 440                         BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 441                         FC_MAX_PDUSZ, 0);
 442 }
 443
 444 /*
 445  * Process incoming plogi from a remote port.
 446  */
 447 static void
 448 bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
 449                 struct fchs_s *rx_fchs, struct fc_logi_s *plogi)
 450 {
 451         struct bfa_fcs_rport_s *rport;
 452
 453         bfa_trc(port->fcs, rx_fchs->d_id);
 454         bfa_trc(port->fcs, rx_fchs->s_id);
 455
 456         /*
 457          * If min cfg mode is enabled, drop any incoming PLOGIs
 458          */
 459         if (__fcs_min_cfg(port->fcs)) {
 460                 bfa_trc(port->fcs, rx_fchs->s_id);
 461                 return;
 462         }
 463
 464         if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) {
 465                 bfa_trc(port->fcs, rx_fchs->s_id);
 466                 /*
 467                  * send a LS reject
 468                  */
 469                 bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
 470                                         FC_LS_RJT_RSN_PROTOCOL_ERROR,
 471                                         FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS);
 472                 return;
 473         }
 474
 475         /*
 476          * Direct Attach P2P mode : verify address assigned by the r-port.
 477          */
 478         if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
 479                 (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
 480                            (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
 481                 if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) {
 482                         /* Address assigned to us cannot be a WKA */
 483                         bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
 484                                         FC_LS_RJT_RSN_PROTOCOL_ERROR,
 485                                         FC_LS_RJT_EXP_INVALID_NPORT_ID);
 486                         return;
 487                 }
 488                 port->pid  = rx_fchs->d_id;
 489                 bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
 490         }
 491
 492         /*
 493          * First, check if we know the device by pwwn.
 494          */
 495         rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name);
 496         if (rport) {
 497                 /*
 498                  * Direct Attach P2P mode : handle address assigned by r-port.
 499                  */
 500                 if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
 501                         (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
 502                         (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
 503                         port->pid  = rx_fchs->d_id;
 504                         bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
 505                         rport->pid = rx_fchs->s_id;
 506                 }
 507                 bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
 508                 return;
 509         }
 510
 511         /*
 512          * Next, lookup rport by PID.
 513          */
 514         rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id);
 515         if (!rport) {
 516                 /*
 517                  * Inbound PLOGI from a new device.
 518                  */
 519                 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
 520                 return;
 521         }
 522
 523         /*
 524          * Rport is known only by PID.
 525          */
 526         if (rport->pwwn) {
 527                 /*
 528                  * This is a different device with the same pid. Old device
 529                  * disappeared. Send implicit LOGO to old device.
 530                  */
 531                 WARN_ON(rport->pwwn == plogi->port_name);
 532                 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
 533
 534                 /*
 535                  * Inbound PLOGI from a new device (with old PID).
 536                  */
 537                 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
 538                 return;
 539         }
 540
 541         /*
 542          * PLOGI crossing each other.
 543          */
 544         WARN_ON(rport->pwwn != WWN_NULL);
 545         bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
 546 }
 547
 548 /*
 549  * Process incoming ECHO.
 550  * Since it does not require a login, it is processed here.
 551  */
 552 static void
 553 bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
 554                 struct fc_echo_s *echo, u16 rx_len)
 555 {
 556         struct fchs_s           fchs;
 557         struct bfa_fcxp_s       *fcxp;
 558         struct bfa_rport_s      *bfa_rport = NULL;
 559         int                     len, pyld_len;
 560
 561         bfa_trc(port->fcs, rx_fchs->s_id);
 562         bfa_trc(port->fcs, rx_fchs->d_id);
 563
 564         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 565         if (!fcxp)
 566                 return;
 567
 568         len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 569                                 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 570                                 rx_fchs->ox_id);
 571
 572         /*
 573          * Copy the payload (if any) from the echo frame
 574          */
 575         pyld_len = rx_len - sizeof(struct fchs_s);
 576         bfa_trc(port->fcs, rx_len);
 577         bfa_trc(port->fcs, pyld_len);
 578
 579         if (pyld_len > len)
 580                 memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) +
 581                         sizeof(struct fc_echo_s), (echo + 1),
 582                         (pyld_len - sizeof(struct fc_echo_s)));
 583
 584         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 585                         BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL,
 586                         FC_MAX_PDUSZ, 0);
 587 }
 588
 589 /*
 590  * Process incoming RNID.
 591  * Since it does not require a login, it is processed here.
 592  */
 593 static void
 594 bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
 595                 struct fc_rnid_cmd_s *rnid, u16 rx_len)
 596 {
 597         struct fc_rnid_common_id_data_s common_id_data;
 598         struct fc_rnid_general_topology_data_s gen_topo_data;
 599         struct fchs_s   fchs;
 600         struct bfa_fcxp_s *fcxp;
 601         struct bfa_rport_s *bfa_rport = NULL;
 602         u16     len;
 603         u32     data_format;
 604
 605         bfa_trc(port->fcs, rx_fchs->s_id);
 606         bfa_trc(port->fcs, rx_fchs->d_id);
 607         bfa_trc(port->fcs, rx_len);
 608
 609         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 610         if (!fcxp)
 611                 return;
 612
 613         /*
 614          * Check Node Indentification Data Format
 615          * We only support General Topology Discovery Format.
 616          * For any other requested Data Formats, we return Common Node Id Data
 617          * only, as per FC-LS.
 618          */
 619         bfa_trc(port->fcs, rnid->node_id_data_format);
 620         if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
 621                 data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY;
 622                 /*
 623                  * Get General topology data for this port
 624                  */
 625                 bfa_fs_port_get_gen_topo_data(port, &gen_topo_data);
 626         } else {
 627                 data_format = RNID_NODEID_DATA_FORMAT_COMMON;
 628         }
 629
 630         /*
 631          * Copy the Node Id Info
 632          */
 633         common_id_data.port_name = bfa_fcs_lport_get_pwwn(port);
 634         common_id_data.node_name = bfa_fcs_lport_get_nwwn(port);
 635
 636         len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 637                                 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 638                                 rx_fchs->ox_id, data_format, &common_id_data,
 639                                 &gen_topo_data);
 640
 641         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 642                         BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 643                         FC_MAX_PDUSZ, 0);
 644 }
 645
 646 /*
 647  *  Fill out General Topolpgy Discovery Data for RNID ELS.
 648  */
 649 static void
 650 bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
 651                         struct fc_rnid_general_topology_data_s *gen_topo_data)
 652 {
 653         memset(gen_topo_data, 0,
 654                       sizeof(struct fc_rnid_general_topology_data_s));
 655
 656         gen_topo_data->asso_type = cpu_to_be32(RNID_ASSOCIATED_TYPE_HOST);
 657         gen_topo_data->phy_port_num = 0;        /* @todo */
 658         gen_topo_data->num_attached_nodes = cpu_to_be32(1);
 659 }
 660
 661 static void
 662 bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port)
 663 {
 664         struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
 665         char    lpwwn_buf[BFA_STRING_32];
 666
 667         bfa_trc(port->fcs, port->fabric->oper_type);
 668
 669         __port_action[port->fabric->fab_type].init(port);
 670         __port_action[port->fabric->fab_type].online(port);
 671
 672         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
 673         BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
 674                 "Logical port online: WWN = %s Role = %s\n",
 675                 lpwwn_buf, "Initiator");
 676         bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_ONLINE);
 677
 678         bfad->bfad_flags |= BFAD_PORT_ONLINE;
 679 }
 680
 681 static void
 682 bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port)
 683 {
 684         struct list_head        *qe, *qen;
 685         struct bfa_fcs_rport_s *rport;
 686         struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
 687         char    lpwwn_buf[BFA_STRING_32];
 688
 689         bfa_trc(port->fcs, port->fabric->oper_type);
 690
 691         __port_action[port->fabric->fab_type].offline(port);
 692
 693         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
 694         if (bfa_sm_cmp_state(port->fabric,
 695                         bfa_fcs_fabric_sm_online) == BFA_TRUE) {
 696                 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
 697                 "Logical port lost fabric connectivity: WWN = %s Role = %s\n",
 698                 lpwwn_buf, "Initiator");
 699                 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DISCONNECT);
 700         } else {
 701                 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
 702                 "Logical port taken offline: WWN = %s Role = %s\n",
 703                 lpwwn_buf, "Initiator");
 704                 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_OFFLINE);
 705         }
 706
 707         list_for_each_safe(qe, qen, &port->rport_q) {
 708                 rport = (struct bfa_fcs_rport_s *) qe;
 709                 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
 710         }
 711 }
 712
 713 static void
 714 bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port)
 715 {
 716         WARN_ON(1);
 717 }
 718
 719 static void
 720 bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port)
 721 {
 722         WARN_ON(1);
 723 }
 724
 725 static void
 726 bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port)
 727 {
 728         WARN_ON(1);
 729 }
 730
 731 static void
 732 bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs)
 733 {
 734         struct fchs_s fchs;
 735         struct bfa_fcxp_s *fcxp;
 736         int             len;
 737
 738         bfa_trc(port->fcs, rx_fchs->d_id);
 739         bfa_trc(port->fcs, rx_fchs->s_id);
 740
 741         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 742         if (!fcxp)
 743                 return;
 744
 745         len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 746                         rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 747                         rx_fchs->ox_id, 0);
 748
 749         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
 750                           BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 751                           FC_MAX_PDUSZ, 0);
 752 }
 753 static void
 754 bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port)
 755 {
 756         struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
 757         char    lpwwn_buf[BFA_STRING_32];
 758
 759         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
 760         BFA_LOG(KERN_INFO, bfad, bfa_log_level,
 761                 "Logical port deleted: WWN = %s Role = %s\n",
 762                 lpwwn_buf, "Initiator");
 763         bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DELETE);
 764
 765         /* Base port will be deleted by the OS driver */
 766         if (port->vport)
 767                 bfa_fcs_vport_delete_comp(port->vport);
 768         else
 769                 bfa_wc_down(&port->fabric->wc);
 770 }
 771
 772
 773 /*
 774  * Unsolicited frame receive handling.
 775  */
 776 void
 777 bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport,
 778                         struct fchs_s *fchs, u16 len)
 779 {
 780         u32     pid = fchs->s_id;
 781         struct bfa_fcs_rport_s *rport = NULL;
 782         struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
 783
 784         bfa_stats(lport, uf_recvs);
 785         bfa_trc(lport->fcs, fchs->type);
 786
 787         if (!bfa_fcs_lport_is_online(lport)) {
 788                 /*
 789                  * In direct attach topology, it is possible to get a PLOGI
 790                  * before the lport is online due to port feature
 791                  * (QoS/Trunk/FEC/CR), so send a rjt
 792                  */
 793                 if ((fchs->type == FC_TYPE_ELS) &&
 794                         (els_cmd->els_code == FC_ELS_PLOGI)) {
 795                         bfa_fcs_lport_send_ls_rjt(lport, fchs,
 796                                 FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD,
 797                                 FC_LS_RJT_EXP_NO_ADDL_INFO);
 798                         bfa_stats(lport, plogi_rcvd);
 799                 } else
 800                         bfa_stats(lport, uf_recv_drops);
 801
 802                 return;
 803         }
 804
 805         /*
 806          * First, handle ELSs that donot require a login.
 807          */
 808         /*
 809          * Handle PLOGI first
 810          */
 811         if ((fchs->type == FC_TYPE_ELS) &&
 812                 (els_cmd->els_code == FC_ELS_PLOGI)) {
 813                 bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd);
 814                 return;
 815         }
 816
 817         /*
 818          * Handle ECHO separately.
 819          */
 820         if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) {
 821                 bfa_fcs_lport_echo(lport, fchs,
 822                                 (struct fc_echo_s *)els_cmd, len);
 823                 return;
 824         }
 825
 826         /*
 827          * Handle RNID separately.
 828          */
 829         if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) {
 830                 bfa_fcs_lport_rnid(lport, fchs,
 831                         (struct fc_rnid_cmd_s *) els_cmd, len);
 832                 return;
 833         }
 834
 835         if (fchs->type == FC_TYPE_BLS) {
 836                 if ((fchs->routing == FC_RTG_BASIC_LINK) &&
 837                                 (fchs->cat_info == FC_CAT_ABTS))
 838                         bfa_fcs_lport_abts_acc(lport, fchs);
 839                 return;
 840         }
 841
 842         if (fchs->type == FC_TYPE_SERVICES) {
 843                 /*
 844                  * Unhandled FC-GS frames. Send a FC-CT Reject
 845                  */
 846                 bfa_fcs_lport_send_fcgs_rjt(lport, fchs, CT_RSN_NOT_SUPP,
 847                                 CT_NS_EXP_NOADDITIONAL);
 848                 return;
 849         }
 850
 851         /*
 852          * look for a matching remote port ID
 853          */
 854         rport = bfa_fcs_lport_get_rport_by_pid(lport, pid);
 855         if (rport) {
 856                 bfa_trc(rport->fcs, fchs->s_id);
 857                 bfa_trc(rport->fcs, fchs->d_id);
 858                 bfa_trc(rport->fcs, fchs->type);
 859
 860                 bfa_fcs_rport_uf_recv(rport, fchs, len);
 861                 return;
 862         }
 863
 864         /*
 865          * Only handles ELS frames for now.
 866          */
 867         if (fchs->type != FC_TYPE_ELS) {
 868                 bfa_trc(lport->fcs, fchs->s_id);
 869                 bfa_trc(lport->fcs, fchs->d_id);
 870                 /* ignore type FC_TYPE_FC_FSS */
 871                 if (fchs->type != FC_TYPE_FC_FSS)
 872                         bfa_sm_fault(lport->fcs, fchs->type);
 873                 return;
 874         }
 875
 876         bfa_trc(lport->fcs, els_cmd->els_code);
 877         if (els_cmd->els_code == FC_ELS_RSCN) {
 878                 bfa_fcs_lport_scn_process_rscn(lport, fchs, len);
 879                 return;
 880         }
 881
 882         if (els_cmd->els_code == FC_ELS_LOGO) {
 883                 /*
 884                  * @todo Handle LOGO frames received.
 885                  */
 886                 return;
 887         }
 888
 889         if (els_cmd->els_code == FC_ELS_PRLI) {
 890                 /*
 891                  * @todo Handle PRLI frames received.
 892                  */
 893                 return;
 894         }
 895
 896         /*
 897          * Unhandled ELS frames. Send a LS_RJT.
 898          */
 899         bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
 900                                  FC_LS_RJT_EXP_NO_ADDL_INFO);
 901
 902 }
 903
 904 /*
 905  *   PID based Lookup for a R-Port in the Port R-Port Queue
 906  */
 907 struct bfa_fcs_rport_s *
 908 bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid)
 909 {
 910         struct bfa_fcs_rport_s *rport;
 911         struct list_head        *qe;
 912
 913         list_for_each(qe, &port->rport_q) {
 914                 rport = (struct bfa_fcs_rport_s *) qe;
 915                 if (rport->pid == pid)
 916                         return rport;
 917         }
 918
 919         bfa_trc(port->fcs, pid);
 920         return NULL;
 921 }
 922
 923 /*
 924  * OLD_PID based Lookup for a R-Port in the Port R-Port Queue
 925  */
 926 struct bfa_fcs_rport_s *
 927 bfa_fcs_lport_get_rport_by_old_pid(struct bfa_fcs_lport_s *port, u32 pid)
 928 {
 929         struct bfa_fcs_rport_s *rport;
 930         struct list_head        *qe;
 931
 932         list_for_each(qe, &port->rport_q) {
 933                 rport = (struct bfa_fcs_rport_s *) qe;
 934                 if (rport->old_pid == pid)
 935                         return rport;
 936         }
 937
 938         bfa_trc(port->fcs, pid);
 939         return NULL;
 940 }
 941
 942 /*
 943  *   PWWN based Lookup for a R-Port in the Port R-Port Queue
 944  */
 945 struct bfa_fcs_rport_s *
 946 bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn)
 947 {
 948         struct bfa_fcs_rport_s *rport;
 949         struct list_head        *qe;
 950
 951         list_for_each(qe, &port->rport_q) {
 952                 rport = (struct bfa_fcs_rport_s *) qe;
 953                 if (wwn_is_equal(rport->pwwn, pwwn))
 954                         return rport;
 955         }
 956
 957         bfa_trc(port->fcs, pwwn);
 958         return NULL;
 959 }
 960
 961 /*
 962  *   NWWN based Lookup for a R-Port in the Port R-Port Queue
 963  */
 964 struct bfa_fcs_rport_s *
 965 bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn)
 966 {
 967         struct bfa_fcs_rport_s *rport;
 968         struct list_head        *qe;
 969
 970         list_for_each(qe, &port->rport_q) {
 971                 rport = (struct bfa_fcs_rport_s *) qe;
 972                 if (wwn_is_equal(rport->nwwn, nwwn))
 973                         return rport;
 974         }
 975
 976         bfa_trc(port->fcs, nwwn);
 977         return NULL;
 978 }
 979
 980 /*
 981  * PWWN & PID based Lookup for a R-Port in the Port R-Port Queue
 982  */
 983 struct bfa_fcs_rport_s *
 984 bfa_fcs_lport_get_rport_by_qualifier(struct bfa_fcs_lport_s *port,
 985                                      wwn_t pwwn, u32 pid)
 986 {
 987         struct bfa_fcs_rport_s *rport;
 988         struct list_head        *qe;
 989
 990         list_for_each(qe, &port->rport_q) {
 991                 rport = (struct bfa_fcs_rport_s *) qe;
 992                 if (wwn_is_equal(rport->pwwn, pwwn) && rport->pid == pid)
 993                         return rport;
 994         }
 995
 996         bfa_trc(port->fcs, pwwn);
 997         return NULL;
 998 }
 999
1000 /*
1001  * Called by rport module when new rports are discovered.
1002  */
1003 void
1004 bfa_fcs_lport_add_rport(
1005         struct bfa_fcs_lport_s *port,
1006         struct bfa_fcs_rport_s *rport)
1007 {
1008         list_add_tail(&rport->qe, &port->rport_q);
1009         port->num_rports++;
1010 }
1011
1012 /*
1013  * Called by rport module to when rports are deleted.
1014  */
1015 void
1016 bfa_fcs_lport_del_rport(
1017         struct bfa_fcs_lport_s *port,
1018         struct bfa_fcs_rport_s *rport)
1019 {
1020         WARN_ON(!bfa_q_is_on_q(&port->rport_q, rport));
1021         list_del(&rport->qe);
1022         port->num_rports--;
1023
1024         bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
1025 }
1026
1027 /*
1028  * Called by fabric for base port when fabric login is complete.
1029  * Called by vport for virtual ports when FDISC is complete.
1030  */
1031 void
1032 bfa_fcs_lport_online(struct bfa_fcs_lport_s *port)
1033 {
1034         bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
1035 }
1036
1037 /*
1038  * Called by fabric for base port when fabric goes offline.
1039  * Called by vport for virtual ports when virtual port becomes offline.
1040  */
1041 void
1042 bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
1043 {
1044         bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
1045 }
1046
1047 /*
1048  * Called by fabric for base port and by vport for virtual ports
1049  * when target mode driver is unloaded.
1050  */
1051 void
1052 bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port)
1053 {
1054         bfa_sm_send_event(port, BFA_FCS_PORT_SM_STOP);
1055 }
1056
1057 /*
1058  * Called by fabric to delete base lport and associated resources.
1059  *
1060  * Called by vport to delete lport and associated resources. Should call
1061  * bfa_fcs_vport_delete_comp() for vports on completion.
1062  */
1063 void
1064 bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port)
1065 {
1066         bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
1067 }
1068
1069 /*
1070  * Return TRUE if port is online, else return FALSE
1071  */
1072 bfa_boolean_t
1073 bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
1074 {
1075         return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
1076 }
1077
1078 /*
1079   * Attach time initialization of logical ports.
1080  */
1081 void
1082 bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
1083                    u16 vf_id, struct bfa_fcs_vport_s *vport)
1084 {
1085         lport->fcs = fcs;
1086         lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
1087         lport->vport = vport;
1088         lport->lp_tag = (vport) ? vport->lps->bfa_tag :
1089                                   lport->fabric->lps->bfa_tag;
1090
1091         INIT_LIST_HEAD(&lport->rport_q);
1092         lport->num_rports = 0;
1093 }
1094
1095 /*
1096  * Logical port initialization of base or virtual port.
1097  * Called by fabric for base port or by vport for virtual ports.
1098  */
1099
1100 void
1101 bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
1102         struct bfa_lport_cfg_s *port_cfg)
1103 {
1104         struct bfa_fcs_vport_s *vport = lport->vport;
1105         struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad;
1106         char    lpwwn_buf[BFA_STRING_32];
1107
1108         lport->port_cfg = *port_cfg;
1109
1110         lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport,
1111                                         lport->port_cfg.roles,
1112                                         lport->fabric->vf_drv,
1113                                         vport ? vport->vport_drv : NULL);
1114
1115         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport));
1116         BFA_LOG(KERN_INFO, bfad, bfa_log_level,
1117                 "New logical port created: WWN = %s Role = %s\n",
1118                 lpwwn_buf, "Initiator");
1119         bfa_fcs_lport_aen_post(lport, BFA_LPORT_AEN_NEW);
1120
1121         bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
1122         bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
1123 }
1124
1125 void
1126 bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port,
1127                                 char *symname)
1128 {
1129         strcpy(port->port_cfg.sym_name.symname, symname);
1130
1131         if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
1132                 bfa_fcs_lport_ns_util_send_rspn_id(
1133                         BFA_FCS_GET_NS_FROM_PORT(port), NULL);
1134 }
1135
1136 /*
1137  *  fcs_lport_api
1138  */
1139
1140 void
1141 bfa_fcs_lport_get_attr(
1142         struct bfa_fcs_lport_s *port,
1143         struct bfa_lport_attr_s *port_attr)
1144 {
1145         if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
1146                 port_attr->pid = port->pid;
1147         else
1148                 port_attr->pid = 0;
1149
1150         port_attr->port_cfg = port->port_cfg;
1151
1152         if (port->fabric) {
1153                 port_attr->port_type = port->fabric->oper_type;
1154                 port_attr->loopback = bfa_sm_cmp_state(port->fabric,
1155                                 bfa_fcs_fabric_sm_loopback);
1156                 port_attr->authfail =
1157                         bfa_sm_cmp_state(port->fabric,
1158                                 bfa_fcs_fabric_sm_auth_failed);
1159                 port_attr->fabric_name  = bfa_fcs_lport_get_fabric_name(port);
1160                 memcpy(port_attr->fabric_ip_addr,
1161                         bfa_fcs_lport_get_fabric_ipaddr(port),
1162                         BFA_FCS_FABRIC_IPADDR_SZ);
1163
1164                 if (port->vport != NULL) {
1165                         port_attr->port_type = BFA_PORT_TYPE_VPORT;
1166                         port_attr->fpma_mac =
1167                                 port->vport->lps->lp_mac;
1168                 } else {
1169                         port_attr->fpma_mac =
1170                                 port->fabric->lps->lp_mac;
1171                 }
1172         } else {
1173                 port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
1174                 port_attr->state = BFA_LPORT_UNINIT;
1175         }
1176 }
1177
1178 /*
1179  *  bfa_fcs_lport_fab port fab functions
1180  */
1181
1182 /*
1183  *   Called by port to initialize fabric services of the base port.
1184  */
1185 static void
1186 bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
1187 {
1188         bfa_fcs_lport_ns_init(port);
1189         bfa_fcs_lport_scn_init(port);
1190         bfa_fcs_lport_ms_init(port);
1191 }
1192
1193 /*
1194  *   Called by port to notify transition to online state.
1195  */
1196 static void
1197 bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
1198 {
1199         bfa_fcs_lport_ns_online(port);
1200         bfa_fcs_lport_fab_scn_online(port);
1201 }
1202
1203 /*
1204  *   Called by port to notify transition to offline state.
1205  */
1206 static void
1207 bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
1208 {
1209         bfa_fcs_lport_ns_offline(port);
1210         bfa_fcs_lport_scn_offline(port);
1211         bfa_fcs_lport_ms_offline(port);
1212 }
1213
1214 /*
1215  *  bfa_fcs_lport_n2n  functions
1216  */
1217
1218 /*
1219  *   Called by fcs/port to initialize N2N topology.
1220  */
1221 static void
1222 bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
1223 {
1224 }
1225
1226 /*
1227  *   Called by fcs/port to notify transition to online state.
1228  */
1229 static void
1230 bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
1231 {
1232         struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1233         struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
1234         struct bfa_fcs_rport_s *rport;
1235
1236         bfa_trc(port->fcs, pcfg->pwwn);
1237
1238         /*
1239          * If our PWWN is > than that of the r-port, we have to initiate PLOGI
1240          * and assign an Address. if not, we need to wait for its PLOGI.
1241          *
1242          * If our PWWN is < than that of the remote port, it will send a PLOGI
1243          * with the PIDs assigned. The rport state machine take care of this
1244          * incoming PLOGI.
1245          */
1246         if (memcmp
1247             ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
1248              sizeof(wwn_t)) > 0) {
1249                 port->pid = N2N_LOCAL_PID;
1250                 bfa_lps_set_n2n_pid(port->fabric->lps, N2N_LOCAL_PID);
1251                 /*
1252                  * First, check if we know the device by pwwn.
1253                  */
1254                 rport = bfa_fcs_lport_get_rport_by_pwwn(port,
1255                                                         n2n_port->rem_port_wwn);
1256                 if (rport) {
1257                         bfa_trc(port->fcs, rport->pid);
1258                         bfa_trc(port->fcs, rport->pwwn);
1259                         rport->pid = N2N_REMOTE_PID;
1260                         bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
1261                         return;
1262                 }
1263
1264                 /*
1265                  * In n2n there can be only one rport. Delete the old one
1266                  * whose pid should be zero, because it is offline.
1267                  */
1268                 if (port->num_rports > 0) {
1269                         rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
1270                         WARN_ON(rport == NULL);
1271                         if (rport) {
1272                                 bfa_trc(port->fcs, rport->pwwn);
1273                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
1274                         }
1275                 }
1276                 bfa_fcs_rport_create(port, N2N_REMOTE_PID);
1277         }
1278 }
1279
1280 /*
1281  *   Called by fcs/port to notify transition to offline state.
1282  */
1283 static void
1284 bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
1285 {
1286         struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1287
1288         bfa_trc(port->fcs, port->pid);
1289         port->pid = 0;
1290         n2n_port->rem_port_wwn = 0;
1291         n2n_port->reply_oxid = 0;
1292 }
1293
1294 void
1295 bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
1296 {
1297         int i = 0, j = 0, bit = 0, alpa_bit = 0;
1298         u8 k = 0;
1299         struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(port->fcs->bfa);
1300
1301         port->port_topo.ploop.alpabm_valid = fcport->alpabm_valid;
1302         port->pid = fcport->myalpa;
1303         port->pid = bfa_hton3b(port->pid);
1304
1305         for (i = 0; i < (FC_ALPA_MAX / 8); i++) {
1306                 for (j = 0, alpa_bit = 0; j < 8; j++, alpa_bit++) {
1307                         bfa_trc(port->fcs->bfa, fcport->alpabm.alpa_bm[i]);
1308                         bit = (fcport->alpabm.alpa_bm[i] & (1 << (7 - j)));
1309                         if (bit) {
1310                                 port->port_topo.ploop.alpa_pos_map[k] =
1311                                         loop_alpa_map[(i * 8) + alpa_bit];
1312                                 k++;
1313                                 bfa_trc(port->fcs->bfa, k);
1314                                 bfa_trc(port->fcs->bfa,
1315                                          port->port_topo.ploop.alpa_pos_map[k]);
1316                         }
1317                 }
1318         }
1319         port->port_topo.ploop.num_alpa = k;
1320 }
1321
1322 /*
1323  * Called by fcs/port to initialize Loop topology.
1324  */
1325 static void
1326 bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port)
1327 {
1328 }
1329
1330 /*
1331  * Called by fcs/port to notify transition to online state.
1332  */
1333 static void
1334 bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port)
1335 {
1336         u8 num_alpa = 0, alpabm_valid = 0;
1337         struct bfa_fcs_rport_s *rport;
1338         u8 *alpa_map = NULL;
1339         int i = 0;
1340         u32 pid;
1341
1342         bfa_fcport_get_loop_attr(port);
1343
1344         num_alpa = port->port_topo.ploop.num_alpa;
1345         alpabm_valid = port->port_topo.ploop.alpabm_valid;
1346         alpa_map = port->port_topo.ploop.alpa_pos_map;
1347
1348         bfa_trc(port->fcs->bfa, port->pid);
1349         bfa_trc(port->fcs->bfa, num_alpa);
1350         if (alpabm_valid == 1) {
1351                 for (i = 0; i < num_alpa; i++) {
1352                         bfa_trc(port->fcs->bfa, alpa_map[i]);
1353                         if (alpa_map[i] != bfa_hton3b(port->pid)) {
1354                                 pid = 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         } else {
1364                 for (i = 0; i < MAX_ALPA_COUNT; i++) {
1365                         if (alpa_map[i] != port->pid) {
1366                                 pid = loop_alpa_map[i];
1367                                 bfa_trc(port->fcs->bfa, pid);
1368                                 rport = bfa_fcs_lport_get_rport_by_pid(port,
1369                                                 bfa_hton3b(pid));
1370                                 if (!rport)
1371                                         rport = bfa_fcs_rport_create(port,
1372                                                 bfa_hton3b(pid));
1373                         }
1374                 }
1375         }
1376 }
1377
1378 /*
1379  * Called by fcs/port to notify transition to offline state.
1380  */
1381 static void
1382 bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port)
1383 {
1384 }
1385
1386 #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
1387
1388 /*
1389  * forward declarations
1390  */
1391 static void     bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
1392                                             struct bfa_fcxp_s *fcxp_alloced);
1393 static void     bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
1394                                             struct bfa_fcxp_s *fcxp_alloced);
1395 static void     bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
1396                                            struct bfa_fcxp_s *fcxp_alloced);
1397 static void     bfa_fcs_lport_fdmi_rhba_response(void *fcsarg,
1398                                                 struct bfa_fcxp_s *fcxp,
1399                                                 void *cbarg,
1400                                                 bfa_status_t req_status,
1401                                                 u32 rsp_len,
1402                                                 u32 resid_len,
1403                                                 struct fchs_s *rsp_fchs);
1404 static void     bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
1405                                                 struct bfa_fcxp_s *fcxp,
1406                                                 void *cbarg,
1407                                                 bfa_status_t req_status,
1408                                                 u32 rsp_len,
1409                                                 u32 resid_len,
1410                                                 struct fchs_s *rsp_fchs);
1411 static void     bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
1412                                                struct bfa_fcxp_s *fcxp,
1413                                                void *cbarg,
1414                                                bfa_status_t req_status,
1415                                                u32 rsp_len,
1416                                                u32 resid_len,
1417                                                struct fchs_s *rsp_fchs);
1418 static void     bfa_fcs_lport_fdmi_timeout(void *arg);
1419 static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1420                                                   u8 *pyld);
1421 static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1422                                                   u8 *pyld);
1423 static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1424                                                  u8 *pyld);
1425 static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
1426                                                        fdmi, u8 *pyld);
1427 static void     bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1428                                  struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
1429 static void     bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1430                                   struct bfa_fcs_fdmi_port_attr_s *port_attr);
1431 u32     bfa_fcs_fdmi_convert_speed(enum bfa_port_speed pport_speed);
1432
1433 /*
1434  *  fcs_fdmi_sm FCS FDMI state machine
1435  */
1436
1437 /*
1438  *  FDMI State Machine events
1439  */
1440 enum port_fdmi_event {
1441         FDMISM_EVENT_PORT_ONLINE = 1,
1442         FDMISM_EVENT_PORT_OFFLINE = 2,
1443         FDMISM_EVENT_RSP_OK = 4,
1444         FDMISM_EVENT_RSP_ERROR = 5,
1445         FDMISM_EVENT_TIMEOUT = 6,
1446         FDMISM_EVENT_RHBA_SENT = 7,
1447         FDMISM_EVENT_RPRT_SENT = 8,
1448         FDMISM_EVENT_RPA_SENT = 9,
1449 };
1450
1451 static void     bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1452                                              enum port_fdmi_event event);
1453 static void     bfa_fcs_lport_fdmi_sm_sending_rhba(
1454                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1455                                 enum port_fdmi_event event);
1456 static void     bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1457                                           enum port_fdmi_event event);
1458 static void     bfa_fcs_lport_fdmi_sm_rhba_retry(
1459                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1460                                 enum port_fdmi_event event);
1461 static void     bfa_fcs_lport_fdmi_sm_sending_rprt(
1462                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1463                                 enum port_fdmi_event event);
1464 static void     bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1465                                           enum port_fdmi_event event);
1466 static void     bfa_fcs_lport_fdmi_sm_rprt_retry(
1467                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1468                                 enum port_fdmi_event event);
1469 static void     bfa_fcs_lport_fdmi_sm_sending_rpa(
1470                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1471                                 enum port_fdmi_event event);
1472 static void     bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1473                                          enum port_fdmi_event event);
1474 static void     bfa_fcs_lport_fdmi_sm_rpa_retry(
1475                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1476                                 enum port_fdmi_event event);
1477 static void     bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1478                                             enum port_fdmi_event event);
1479 static void     bfa_fcs_lport_fdmi_sm_disabled(
1480                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1481                                 enum port_fdmi_event event);
1482 /*
1483  *      Start in offline state - awaiting MS to send start.
1484  */
1485 static void
1486 bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1487                              enum port_fdmi_event event)
1488 {
1489         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1490
1491         bfa_trc(port->fcs, port->port_cfg.pwwn);
1492         bfa_trc(port->fcs, event);
1493
1494         fdmi->retry_cnt = 0;
1495
1496         switch (event) {
1497         case FDMISM_EVENT_PORT_ONLINE:
1498                 if (port->vport) {
1499                         /*
1500                          * For Vports, register a new port.
1501                          */
1502                         bfa_sm_set_state(fdmi,
1503                                          bfa_fcs_lport_fdmi_sm_sending_rprt);
1504                         bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1505                 } else {
1506                         /*
1507                          * For a base port, we should first register the HBA
1508                          * attribute. The HBA attribute also contains the base
1509                          *  port registration.
1510                          */
1511                         bfa_sm_set_state(fdmi,
1512                                          bfa_fcs_lport_fdmi_sm_sending_rhba);
1513                         bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1514                 }
1515                 break;
1516
1517         case FDMISM_EVENT_PORT_OFFLINE:
1518                 break;
1519
1520         default:
1521                 bfa_sm_fault(port->fcs, event);
1522         }
1523 }
1524
1525 static void
1526 bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1527                                   enum port_fdmi_event event)
1528 {
1529         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1530
1531         bfa_trc(port->fcs, port->port_cfg.pwwn);
1532         bfa_trc(port->fcs, event);
1533
1534         switch (event) {
1535         case FDMISM_EVENT_RHBA_SENT:
1536                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
1537                 break;
1538
1539         case FDMISM_EVENT_PORT_OFFLINE:
1540                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1541                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1542                                            &fdmi->fcxp_wqe);
1543                 break;
1544
1545         default:
1546                 bfa_sm_fault(port->fcs, event);
1547         }
1548 }
1549
1550 static void
1551 bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1552                         enum port_fdmi_event event)
1553 {
1554         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1555
1556         bfa_trc(port->fcs, port->port_cfg.pwwn);
1557         bfa_trc(port->fcs, event);
1558
1559         switch (event) {
1560         case FDMISM_EVENT_RSP_ERROR:
1561                 /*
1562                  * if max retries have not been reached, start timer for a
1563                  * delayed retry
1564                  */
1565                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1566                         bfa_sm_set_state(fdmi,
1567                                         bfa_fcs_lport_fdmi_sm_rhba_retry);
1568                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1569                                             &fdmi->timer,
1570                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1571                                             BFA_FCS_RETRY_TIMEOUT);
1572                 } else {
1573                         /*
1574                          * set state to offline
1575                          */
1576                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1577                 }
1578                 break;
1579
1580         case FDMISM_EVENT_RSP_OK:
1581                 /*
1582                  * Initiate Register Port Attributes
1583                  */
1584                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1585                 fdmi->retry_cnt = 0;
1586                 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1587                 break;
1588
1589         case FDMISM_EVENT_PORT_OFFLINE:
1590                 bfa_fcxp_discard(fdmi->fcxp);
1591                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1592                 break;
1593
1594         default:
1595                 bfa_sm_fault(port->fcs, event);
1596         }
1597 }
1598
1599 static void
1600 bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1601                                 enum port_fdmi_event event)
1602 {
1603         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1604
1605         bfa_trc(port->fcs, port->port_cfg.pwwn);
1606         bfa_trc(port->fcs, event);
1607
1608         switch (event) {
1609         case FDMISM_EVENT_TIMEOUT:
1610                 /*
1611                  * Retry Timer Expired. Re-send
1612                  */
1613                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
1614                 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1615                 break;
1616
1617         case FDMISM_EVENT_PORT_OFFLINE:
1618                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1619                 bfa_timer_stop(&fdmi->timer);
1620                 break;
1621
1622         default:
1623                 bfa_sm_fault(port->fcs, event);
1624         }
1625 }
1626
1627 /*
1628 * RPRT : Register Port
1629  */
1630 static void
1631 bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1632                                   enum port_fdmi_event event)
1633 {
1634         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1635
1636         bfa_trc(port->fcs, port->port_cfg.pwwn);
1637         bfa_trc(port->fcs, event);
1638
1639         switch (event) {
1640         case FDMISM_EVENT_RPRT_SENT:
1641                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
1642                 break;
1643
1644         case FDMISM_EVENT_PORT_OFFLINE:
1645                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1646                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1647                                            &fdmi->fcxp_wqe);
1648                 break;
1649
1650         default:
1651                 bfa_sm_fault(port->fcs, event);
1652         }
1653 }
1654
1655 static void
1656 bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1657                         enum port_fdmi_event event)
1658 {
1659         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1660
1661         bfa_trc(port->fcs, port->port_cfg.pwwn);
1662         bfa_trc(port->fcs, event);
1663
1664         switch (event) {
1665         case FDMISM_EVENT_RSP_ERROR:
1666                 /*
1667                  * if max retries have not been reached, start timer for a
1668                  * delayed retry
1669                  */
1670                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1671                         bfa_sm_set_state(fdmi,
1672                                         bfa_fcs_lport_fdmi_sm_rprt_retry);
1673                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1674                                             &fdmi->timer,
1675                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1676                                             BFA_FCS_RETRY_TIMEOUT);
1677
1678                 } else {
1679                         /*
1680                          * set state to offline
1681                          */
1682                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1683                         fdmi->retry_cnt = 0;
1684                 }
1685                 break;
1686
1687         case FDMISM_EVENT_RSP_OK:
1688                 fdmi->retry_cnt = 0;
1689                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1690                 break;
1691
1692         case FDMISM_EVENT_PORT_OFFLINE:
1693                 bfa_fcxp_discard(fdmi->fcxp);
1694                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1695                 break;
1696
1697         default:
1698                 bfa_sm_fault(port->fcs, event);
1699         }
1700 }
1701
1702 static void
1703 bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1704                                 enum port_fdmi_event event)
1705 {
1706         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1707
1708         bfa_trc(port->fcs, port->port_cfg.pwwn);
1709         bfa_trc(port->fcs, event);
1710
1711         switch (event) {
1712         case FDMISM_EVENT_TIMEOUT:
1713                 /*
1714                  * Retry Timer Expired. Re-send
1715                  */
1716                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
1717                 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1718                 break;
1719
1720         case FDMISM_EVENT_PORT_OFFLINE:
1721                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1722                 bfa_timer_stop(&fdmi->timer);
1723                 break;
1724
1725         default:
1726                 bfa_sm_fault(port->fcs, event);
1727         }
1728 }
1729
1730 /*
1731  * Register Port Attributes
1732  */
1733 static void
1734 bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1735                                  enum port_fdmi_event event)
1736 {
1737         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1738
1739         bfa_trc(port->fcs, port->port_cfg.pwwn);
1740         bfa_trc(port->fcs, event);
1741
1742         switch (event) {
1743         case FDMISM_EVENT_RPA_SENT:
1744                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
1745                 break;
1746
1747         case FDMISM_EVENT_PORT_OFFLINE:
1748                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1749                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1750                                            &fdmi->fcxp_wqe);
1751                 break;
1752
1753         default:
1754                 bfa_sm_fault(port->fcs, event);
1755         }
1756 }
1757
1758 static void
1759 bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1760                         enum port_fdmi_event event)
1761 {
1762         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1763
1764         bfa_trc(port->fcs, port->port_cfg.pwwn);
1765         bfa_trc(port->fcs, event);
1766
1767         switch (event) {
1768         case FDMISM_EVENT_RSP_ERROR:
1769                 /*
1770                  * if max retries have not been reached, start timer for a
1771                  * delayed retry
1772                  */
1773                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1774                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry);
1775                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1776                                             &fdmi->timer,
1777                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1778                                             BFA_FCS_RETRY_TIMEOUT);
1779                 } else {
1780                         /*
1781                          * set state to offline
1782                          */
1783                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1784                         fdmi->retry_cnt = 0;
1785                 }
1786                 break;
1787
1788         case FDMISM_EVENT_RSP_OK:
1789                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1790                 fdmi->retry_cnt = 0;
1791                 break;
1792
1793         case FDMISM_EVENT_PORT_OFFLINE:
1794                 bfa_fcxp_discard(fdmi->fcxp);
1795                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1796                 break;
1797
1798         default:
1799                 bfa_sm_fault(port->fcs, event);
1800         }
1801 }
1802
1803 static void
1804 bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1805                                enum port_fdmi_event event)
1806 {
1807         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1808
1809         bfa_trc(port->fcs, port->port_cfg.pwwn);
1810         bfa_trc(port->fcs, event);
1811
1812         switch (event) {
1813         case FDMISM_EVENT_TIMEOUT:
1814                 /*
1815                  * Retry Timer Expired. Re-send
1816                  */
1817                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1818                 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1819                 break;
1820
1821         case FDMISM_EVENT_PORT_OFFLINE:
1822                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1823                 bfa_timer_stop(&fdmi->timer);
1824                 break;
1825
1826         default:
1827                 bfa_sm_fault(port->fcs, event);
1828         }
1829 }
1830
1831 static void
1832 bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1833                                 enum port_fdmi_event event)
1834 {
1835         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1836
1837         bfa_trc(port->fcs, port->port_cfg.pwwn);
1838         bfa_trc(port->fcs, event);
1839
1840         switch (event) {
1841         case FDMISM_EVENT_PORT_OFFLINE:
1842                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1843                 break;
1844
1845         default:
1846                 bfa_sm_fault(port->fcs, event);
1847         }
1848 }
1849 /*
1850  *  FDMI is disabled state.
1851  */
1852 static void
1853 bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
1854                              enum port_fdmi_event event)
1855 {
1856         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1857
1858         bfa_trc(port->fcs, port->port_cfg.pwwn);
1859         bfa_trc(port->fcs, event);
1860
1861         /* No op State. It can only be enabled at Driver Init. */
1862 }
1863
1864 /*
1865 *  RHBA : Register HBA Attributes.
1866  */
1867 static void
1868 bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1869 {
1870         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
1871         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1872         struct fchs_s fchs;
1873         int             len, attr_len;
1874         struct bfa_fcxp_s *fcxp;
1875         u8        *pyld;
1876
1877         bfa_trc(port->fcs, port->port_cfg.pwwn);
1878
1879         fcxp = fcxp_alloced ? fcxp_alloced :
1880                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
1881         if (!fcxp) {
1882                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
1883                                 bfa_fcs_lport_fdmi_send_rhba, fdmi, BFA_TRUE);
1884                 return;
1885         }
1886         fdmi->fcxp = fcxp;
1887
1888         pyld = bfa_fcxp_get_reqbuf(fcxp);
1889         memset(pyld, 0, FC_MAX_PDUSZ);
1890
1891         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
1892                                    FDMI_RHBA);
1893
1894         attr_len =
1895                 bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
1896                                           (u8 *) ((struct ct_hdr_s *) pyld
1897                                                        + 1));
1898
1899         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1900                           FC_CLASS_3, (len + attr_len), &fchs,
1901                           bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi,
1902                           FC_MAX_PDUSZ, FC_FCCT_TOV);
1903
1904         bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
1905 }
1906
1907 static          u16
1908 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
1909 {
1910         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1911         struct bfa_fcs_fdmi_hba_attr_s hba_attr;
1912         struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
1913         struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
1914         struct fdmi_attr_s *attr;
1915         u8        *curr_ptr;
1916         u16        len, count;
1917         u16     templen;
1918
1919         /*
1920          * get hba attributes
1921          */
1922         bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
1923
1924         rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
1925         rhba->port_list.num_ports = cpu_to_be32(1);
1926         rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port);
1927
1928         len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
1929
1930         count = 0;
1931         len += sizeof(rhba->hba_attr_blk.attr_count);
1932
1933         /*
1934          * fill out the invididual entries of the HBA attrib Block
1935          */
1936         curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
1937
1938         /*
1939          * Node Name
1940          */
1941         attr = (struct fdmi_attr_s *) curr_ptr;
1942         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODENAME);
1943         templen = sizeof(wwn_t);
1944         memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), templen);
1945         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1946         len += templen;
1947         count++;
1948         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1949                              sizeof(templen));
1950
1951         /*
1952          * Manufacturer
1953          */
1954         attr = (struct fdmi_attr_s *) curr_ptr;
1955         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MANUFACTURER);
1956         templen = (u16) strlen(fcs_hba_attr->manufacturer);
1957         memcpy(attr->value, fcs_hba_attr->manufacturer, templen);
1958         templen = fc_roundup(templen, sizeof(u32));
1959         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1960         len += templen;
1961         count++;
1962         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1963                              sizeof(templen));
1964
1965         /*
1966          * Serial Number
1967          */
1968         attr = (struct fdmi_attr_s *) curr_ptr;
1969         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_SERIALNUM);
1970         templen = (u16) strlen(fcs_hba_attr->serial_num);
1971         memcpy(attr->value, fcs_hba_attr->serial_num, templen);
1972         templen = fc_roundup(templen, sizeof(u32));
1973         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1974         len += templen;
1975         count++;
1976         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1977                              sizeof(templen));
1978
1979         /*
1980          * Model
1981          */
1982         attr = (struct fdmi_attr_s *) curr_ptr;
1983         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL);
1984         templen = (u16) strlen(fcs_hba_attr->model);
1985         memcpy(attr->value, fcs_hba_attr->model, templen);
1986         templen = fc_roundup(templen, sizeof(u32));
1987         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1988         len += templen;
1989         count++;
1990         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1991                              sizeof(templen));
1992
1993         /*
1994          * Model Desc
1995          */
1996         attr = (struct fdmi_attr_s *) curr_ptr;
1997         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL_DESC);
1998         templen = (u16) strlen(fcs_hba_attr->model_desc);
1999         memcpy(attr->value, fcs_hba_attr->model_desc, templen);
2000         templen = fc_roundup(templen, sizeof(u32));
2001         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2002         len += templen;
2003         count++;
2004         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2005                              sizeof(templen));
2006
2007         /*
2008          * H/W Version
2009          */
2010         if (fcs_hba_attr->hw_version[0] != '\0') {
2011                 attr = (struct fdmi_attr_s *) curr_ptr;
2012                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_HW_VERSION);
2013                 templen = (u16) strlen(fcs_hba_attr->hw_version);
2014                 memcpy(attr->value, fcs_hba_attr->hw_version, templen);
2015                 templen = fc_roundup(templen, sizeof(u32));
2016                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2017                 len += templen;
2018                 count++;
2019                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2020                                          sizeof(templen));
2021         }
2022
2023         /*
2024          * Driver Version
2025          */
2026         attr = (struct fdmi_attr_s *) curr_ptr;
2027         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_DRIVER_VERSION);
2028         templen = (u16) strlen(fcs_hba_attr->driver_version);
2029         memcpy(attr->value, fcs_hba_attr->driver_version, templen);
2030         templen = fc_roundup(templen, sizeof(u32));
2031         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2032         len += templen;
2033         count++;
2034         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2035                              sizeof(templen));
2036
2037         /*
2038          * Option Rom Version
2039          */
2040         if (fcs_hba_attr->option_rom_ver[0] != '\0') {
2041                 attr = (struct fdmi_attr_s *) curr_ptr;
2042                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_ROM_VERSION);
2043                 templen = (u16) strlen(fcs_hba_attr->option_rom_ver);
2044                 memcpy(attr->value, fcs_hba_attr->option_rom_ver, 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         attr = (struct fdmi_attr_s *) curr_ptr;
2054         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
2055         templen = (u16) strlen(fcs_hba_attr->fw_version);
2056         memcpy(attr->value, fcs_hba_attr->fw_version, templen);
2057         templen = fc_roundup(templen, sizeof(u32));
2058         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2059         len += templen;
2060         count++;
2061         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2062                              sizeof(templen));
2063
2064         /*
2065          * OS Name
2066          */
2067         if (fcs_hba_attr->os_name[0] != '\0') {
2068                 attr = (struct fdmi_attr_s *) curr_ptr;
2069                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_OS_NAME);
2070                 templen = (u16) strlen(fcs_hba_attr->os_name);
2071                 memcpy(attr->value, fcs_hba_attr->os_name, templen);
2072                 templen = fc_roundup(templen, sizeof(u32));
2073                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2074                 len += templen;
2075                 count++;
2076                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2077                                         sizeof(templen));
2078         }
2079
2080         /*
2081          * MAX_CT_PAYLOAD
2082          */
2083         attr = (struct fdmi_attr_s *) curr_ptr;
2084         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MAX_CT);
2085         templen = sizeof(fcs_hba_attr->max_ct_pyld);
2086         memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, templen);
2087         templen = fc_roundup(templen, sizeof(u32));
2088         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2089         len += templen;
2090         count++;
2091         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2092                              sizeof(templen));
2093         /*
2094          * Send extended attributes ( FOS 7.1 support )
2095          */
2096         if (fdmi->retry_cnt == 0) {
2097                 attr = (struct fdmi_attr_s *) curr_ptr;
2098                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODE_SYM_NAME);
2099                 templen = sizeof(fcs_hba_attr->node_sym_name);
2100                 memcpy(attr->value, &fcs_hba_attr->node_sym_name, templen);
2101                 templen = fc_roundup(templen, sizeof(u32));
2102                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2103                 len += templen;
2104                 count++;
2105                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2106                                         sizeof(templen));
2107
2108                 attr = (struct fdmi_attr_s *) curr_ptr;
2109                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_VENDOR_ID);
2110                 templen = sizeof(fcs_hba_attr->vendor_info);
2111                 memcpy(attr->value, &fcs_hba_attr->vendor_info, templen);
2112                 templen = fc_roundup(templen, sizeof(u32));
2113                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2114                 len += templen;
2115                 count++;
2116                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2117                                         sizeof(templen));
2118
2119                 attr = (struct fdmi_attr_s *) curr_ptr;
2120                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NUM_PORTS);
2121                 templen = sizeof(fcs_hba_attr->num_ports);
2122                 memcpy(attr->value, &fcs_hba_attr->num_ports, templen);
2123                 templen = fc_roundup(templen, sizeof(u32));
2124                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2125                 len += templen;
2126                 count++;
2127                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2128                                         sizeof(templen));
2129
2130                 attr = (struct fdmi_attr_s *) curr_ptr;
2131                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FABRIC_NAME);
2132                 templen = sizeof(fcs_hba_attr->fabric_name);
2133                 memcpy(attr->value, &fcs_hba_attr->fabric_name, templen);
2134                 templen = fc_roundup(templen, sizeof(u32));
2135                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2136                 len += templen;
2137                 count++;
2138                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2139                                         sizeof(templen));
2140
2141                 attr = (struct fdmi_attr_s *) curr_ptr;
2142                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_BIOS_VER);
2143                 templen = sizeof(fcs_hba_attr->bios_ver);
2144                 memcpy(attr->value, &fcs_hba_attr->bios_ver, templen);
2145                 templen = fc_roundup(attr->len, sizeof(u32));
2146                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2147                 len += templen;
2148                 count++;
2149                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2150                                         sizeof(templen));
2151         }
2152
2153         /*
2154          * Update size of payload
2155          */
2156         len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2157
2158         rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
2159         return len;
2160 }
2161
2162 static void
2163 bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2164                                 void *cbarg, bfa_status_t req_status,
2165                                 u32 rsp_len, u32 resid_len,
2166                                 struct fchs_s *rsp_fchs)
2167 {
2168         struct bfa_fcs_lport_fdmi_s *fdmi =
2169                                 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2170         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2171         struct ct_hdr_s *cthdr = NULL;
2172
2173         bfa_trc(port->fcs, port->port_cfg.pwwn);
2174
2175         /*
2176          * Sanity Checks
2177          */
2178         if (req_status != BFA_STATUS_OK) {
2179                 bfa_trc(port->fcs, req_status);
2180                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2181                 return;
2182         }
2183
2184         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2185         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2186
2187         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2188                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2189                 return;
2190         }
2191
2192         bfa_trc(port->fcs, cthdr->reason_code);
2193         bfa_trc(port->fcs, cthdr->exp_code);
2194         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2195 }
2196
2197 /*
2198 *  RPRT : Register Port
2199  */
2200 static void
2201 bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2202 {
2203         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2204         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2205         struct fchs_s fchs;
2206         u16        len, attr_len;
2207         struct bfa_fcxp_s *fcxp;
2208         u8        *pyld;
2209
2210         bfa_trc(port->fcs, port->port_cfg.pwwn);
2211
2212         fcxp = fcxp_alloced ? fcxp_alloced :
2213                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2214         if (!fcxp) {
2215                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2216                                 bfa_fcs_lport_fdmi_send_rprt, fdmi, BFA_TRUE);
2217                 return;
2218         }
2219         fdmi->fcxp = fcxp;
2220
2221         pyld = bfa_fcxp_get_reqbuf(fcxp);
2222         memset(pyld, 0, FC_MAX_PDUSZ);
2223
2224         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2225                                    FDMI_RPRT);
2226
2227         attr_len =
2228                 bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
2229                                           (u8 *) ((struct ct_hdr_s *) pyld
2230                                                        + 1));
2231
2232         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2233                           FC_CLASS_3, len + attr_len, &fchs,
2234                           bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
2235                           FC_MAX_PDUSZ, FC_FCCT_TOV);
2236
2237         bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
2238 }
2239
2240 /*
2241  * This routine builds Port Attribute Block that used in RPA, RPRT commands.
2242  */
2243 static          u16
2244 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
2245                                        u8 *pyld)
2246 {
2247         struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2248         struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
2249         struct fdmi_attr_s *attr;
2250         u8        *curr_ptr;
2251         u16        len;
2252         u8      count = 0;
2253         u16     templen;
2254
2255         /*
2256          * get port attributes
2257          */
2258         bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2259
2260         len = sizeof(port_attrib->attr_count);
2261
2262         /*
2263          * fill out the invididual entries
2264          */
2265         curr_ptr = (u8 *) &port_attrib->port_attr;
2266
2267         /*
2268          * FC4 Types
2269          */
2270         attr = (struct fdmi_attr_s *) curr_ptr;
2271         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
2272         templen = sizeof(fcs_port_attr.supp_fc4_types);
2273         memcpy(attr->value, fcs_port_attr.supp_fc4_types, templen);
2274         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2275         len += templen;
2276         ++count;
2277         attr->len =
2278                 cpu_to_be16(templen + sizeof(attr->type) +
2279                              sizeof(templen));
2280
2281         /*
2282          * Supported Speed
2283          */
2284         attr = (struct fdmi_attr_s *) curr_ptr;
2285         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
2286         templen = sizeof(fcs_port_attr.supp_speed);
2287         memcpy(attr->value, &fcs_port_attr.supp_speed, templen);
2288         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2289         len += templen;
2290         ++count;
2291         attr->len =
2292                 cpu_to_be16(templen + sizeof(attr->type) +
2293                              sizeof(templen));
2294
2295         /*
2296          * current Port Speed
2297          */
2298         attr = (struct fdmi_attr_s *) curr_ptr;
2299         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
2300         templen = sizeof(fcs_port_attr.curr_speed);
2301         memcpy(attr->value, &fcs_port_attr.curr_speed, templen);
2302         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2303         len += templen;
2304         ++count;
2305         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2306                              sizeof(templen));
2307
2308         /*
2309          * max frame size
2310          */
2311         attr = (struct fdmi_attr_s *) curr_ptr;
2312         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
2313         templen = sizeof(fcs_port_attr.max_frm_size);
2314         memcpy(attr->value, &fcs_port_attr.max_frm_size, templen);
2315         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2316         len += templen;
2317         ++count;
2318         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2319                              sizeof(templen));
2320
2321         /*
2322          * OS Device Name
2323          */
2324         if (fcs_port_attr.os_device_name[0] != '\0') {
2325                 attr = (struct fdmi_attr_s *) curr_ptr;
2326                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
2327                 templen = (u16) strlen(fcs_port_attr.os_device_name);
2328                 memcpy(attr->value, fcs_port_attr.os_device_name, templen);
2329                 templen = fc_roundup(templen, sizeof(u32));
2330                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2331                 len += templen;
2332                 ++count;
2333                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2334                                         sizeof(templen));
2335         }
2336         /*
2337          * Host Name
2338          */
2339         if (fcs_port_attr.host_name[0] != '\0') {
2340                 attr = (struct fdmi_attr_s *) curr_ptr;
2341                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
2342                 templen = (u16) strlen(fcs_port_attr.host_name);
2343                 memcpy(attr->value, fcs_port_attr.host_name, templen);
2344                 templen = fc_roundup(templen, sizeof(u32));
2345                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2346                 len += templen;
2347                 ++count;
2348                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2349                                 sizeof(templen));
2350         }
2351
2352         if (fdmi->retry_cnt == 0) {
2353                 attr = (struct fdmi_attr_s *) curr_ptr;
2354                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_NODE_NAME);
2355                 templen = sizeof(fcs_port_attr.node_name);
2356                 memcpy(attr->value, &fcs_port_attr.node_name, templen);
2357                 templen = fc_roundup(templen, sizeof(u32));
2358                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2359                 len += templen;
2360                 ++count;
2361                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2362                                  sizeof(templen));
2363
2364                 attr = (struct fdmi_attr_s *) curr_ptr;
2365                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NAME);
2366                 templen = sizeof(fcs_port_attr.port_name);
2367                 memcpy(attr->value, &fcs_port_attr.port_name, templen);
2368                 templen = fc_roundup(templen, sizeof(u32));
2369                 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + templen;
2370                 len += templen;
2371                 ++count;
2372                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2373                                  sizeof(templen));
2374
2375                 if (fcs_port_attr.port_sym_name.symname[0] != '\0') {
2376                         attr = (struct fdmi_attr_s *) curr_ptr;
2377                         attr->type =
2378                                 cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SYM_NAME);
2379                         templen = sizeof(fcs_port_attr.port_sym_name);
2380                         memcpy(attr->value,
2381                                 &fcs_port_attr.port_sym_name, templen);
2382                         templen = fc_roundup(templen, sizeof(u32));
2383                         curr_ptr += sizeof(attr->type) +
2384                                         sizeof(templen) + templen;
2385                         len += templen;
2386                         ++count;
2387                         attr->len = cpu_to_be16(templen +
2388                                 sizeof(attr->type) + sizeof(templen));
2389                 }
2390
2391                 attr = (struct fdmi_attr_s *) curr_ptr;
2392                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_TYPE);
2393                 templen = sizeof(fcs_port_attr.port_type);
2394                 memcpy(attr->value, &fcs_port_attr.port_type, templen);
2395                 templen = fc_roundup(templen, sizeof(u32));
2396                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2397                 len += templen;
2398                 ++count;
2399                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2400                                  sizeof(templen));
2401
2402                 attr = (struct fdmi_attr_s *) curr_ptr;
2403                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_COS);
2404                 templen = sizeof(fcs_port_attr.scos);
2405                 memcpy(attr->value, &fcs_port_attr.scos, templen);
2406                 templen = fc_roundup(templen, sizeof(u32));
2407                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2408                 len += templen;
2409                 ++count;
2410                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2411                                  sizeof(templen));
2412
2413                 attr = (struct fdmi_attr_s *) curr_ptr;
2414                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FAB_NAME);
2415                 templen = sizeof(fcs_port_attr.port_fabric_name);
2416                 memcpy(attr->value, &fcs_port_attr.port_fabric_name, 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_FC4_TYPE);
2426                 templen = sizeof(fcs_port_attr.port_act_fc4_type);
2427                 memcpy(attr->value, fcs_port_attr.port_act_fc4_type,
2428                                 templen);
2429                 templen = fc_roundup(templen, sizeof(u32));
2430                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2431                 len += templen;
2432                 ++count;
2433                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2434                                  sizeof(templen));
2435
2436                 attr = (struct fdmi_attr_s *) curr_ptr;
2437                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_STATE);
2438                 templen = sizeof(fcs_port_attr.port_state);
2439                 memcpy(attr->value, &fcs_port_attr.port_state, templen);
2440                 templen = fc_roundup(templen, sizeof(u32));
2441                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2442                 len += templen;
2443                 ++count;
2444                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2445                                  sizeof(templen));
2446
2447                 attr = (struct fdmi_attr_s *) curr_ptr;
2448                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NUM_RPRT);
2449                 templen = sizeof(fcs_port_attr.num_ports);
2450                 memcpy(attr->value, &fcs_port_attr.num_ports, templen);
2451                 templen = fc_roundup(templen, sizeof(u32));
2452                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2453                 len += templen;
2454                 ++count;
2455                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2456                                 sizeof(templen));
2457         }
2458
2459         /*
2460          * Update size of payload
2461          */
2462         port_attrib->attr_count = cpu_to_be32(count);
2463         len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2464         return len;
2465 }
2466
2467 static          u16
2468 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2469 {
2470         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2471         struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
2472         u16        len;
2473
2474         rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
2475         rprt->port_name = bfa_fcs_lport_get_pwwn(port);
2476
2477         len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2478                                 (u8 *) &rprt->port_attr_blk);
2479
2480         len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
2481
2482         return len;
2483 }
2484
2485 static void
2486 bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2487                                 void *cbarg, bfa_status_t req_status,
2488                                 u32 rsp_len, u32 resid_len,
2489                                 struct fchs_s *rsp_fchs)
2490 {
2491         struct bfa_fcs_lport_fdmi_s *fdmi =
2492                         (struct bfa_fcs_lport_fdmi_s *) cbarg;
2493         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2494         struct ct_hdr_s *cthdr = NULL;
2495
2496         bfa_trc(port->fcs, port->port_cfg.pwwn);
2497
2498         /*
2499          * Sanity Checks
2500          */
2501         if (req_status != BFA_STATUS_OK) {
2502                 bfa_trc(port->fcs, req_status);
2503                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2504                 return;
2505         }
2506
2507         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2508         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2509
2510         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2511                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2512                 return;
2513         }
2514
2515         bfa_trc(port->fcs, cthdr->reason_code);
2516         bfa_trc(port->fcs, cthdr->exp_code);
2517         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2518 }
2519
2520 /*
2521 *  RPA : Register Port Attributes.
2522  */
2523 static void
2524 bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2525 {
2526         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2527         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2528         struct fchs_s fchs;
2529         u16        len, attr_len;
2530         struct bfa_fcxp_s *fcxp;
2531         u8        *pyld;
2532
2533         bfa_trc(port->fcs, port->port_cfg.pwwn);
2534
2535         fcxp = fcxp_alloced ? fcxp_alloced :
2536                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2537         if (!fcxp) {
2538                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2539                                 bfa_fcs_lport_fdmi_send_rpa, fdmi, BFA_TRUE);
2540                 return;
2541         }
2542         fdmi->fcxp = fcxp;
2543
2544         pyld = bfa_fcxp_get_reqbuf(fcxp);
2545         memset(pyld, 0, FC_MAX_PDUSZ);
2546
2547         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2548                                    FDMI_RPA);
2549
2550         attr_len = bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
2551                                 (u8 *) ((struct ct_hdr_s *) pyld + 1));
2552
2553         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2554                           FC_CLASS_3, len + attr_len, &fchs,
2555                           bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
2556                           FC_MAX_PDUSZ, FC_FCCT_TOV);
2557
2558         bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
2559 }
2560
2561 static          u16
2562 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2563 {
2564         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2565         struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
2566         u16        len;
2567
2568         rpa->port_name = bfa_fcs_lport_get_pwwn(port);
2569
2570         len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2571                                 (u8 *) &rpa->port_attr_blk);
2572
2573         len += sizeof(rpa->port_name);
2574
2575         return len;
2576 }
2577
2578 static void
2579 bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2580                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
2581                         u32 resid_len, struct fchs_s *rsp_fchs)
2582 {
2583         struct bfa_fcs_lport_fdmi_s *fdmi =
2584                                 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2585         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2586         struct ct_hdr_s *cthdr = NULL;
2587
2588         bfa_trc(port->fcs, port->port_cfg.pwwn);
2589
2590         /*
2591          * Sanity Checks
2592          */
2593         if (req_status != BFA_STATUS_OK) {
2594                 bfa_trc(port->fcs, req_status);
2595                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2596                 return;
2597         }
2598
2599         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2600         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2601
2602         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2603                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2604                 return;
2605         }
2606
2607         bfa_trc(port->fcs, cthdr->reason_code);
2608         bfa_trc(port->fcs, cthdr->exp_code);
2609         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2610 }
2611
2612 static void
2613 bfa_fcs_lport_fdmi_timeout(void *arg)
2614 {
2615         struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
2616
2617         bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
2618 }
2619
2620 static void
2621 bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2622                          struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
2623 {
2624         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2625         struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
2626         struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2627
2628         memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
2629
2630         bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
2631                                         hba_attr->manufacturer);
2632         bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
2633                                         hba_attr->serial_num);
2634         bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2635                                         hba_attr->model);
2636         bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2637                                         hba_attr->model_desc);
2638         bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
2639                                         hba_attr->hw_version);
2640         bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
2641                                         hba_attr->option_rom_ver);
2642         bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
2643                                         hba_attr->fw_version);
2644
2645         strlcpy(hba_attr->driver_version, (char *)driver_info->version,
2646                 sizeof(hba_attr->driver_version));
2647
2648         strlcpy(hba_attr->os_name, driver_info->host_os_name,
2649                 sizeof(hba_attr->os_name));
2650
2651         /*
2652          * If there is a patch level, append it
2653          * to the os name along with a separator
2654          */
2655         if (driver_info->host_os_patch[0] != '\0') {
2656                 strlcat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
2657                         sizeof(hba_attr->os_name));
2658                 strlcat(hba_attr->os_name, driver_info->host_os_patch,
2659                                 sizeof(hba_attr->os_name));
2660         }
2661
2662         /* Retrieve the max frame size from the port attr */
2663         bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2664         hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
2665
2666         strlcpy(hba_attr->node_sym_name.symname,
2667                 port->port_cfg.node_sym_name.symname, BFA_SYMNAME_MAXLEN);
2668         strcpy(hba_attr->vendor_info, "QLogic");
2669         hba_attr->num_ports =
2670                 cpu_to_be32(bfa_ioc_get_nports(&port->fcs->bfa->ioc));
2671         hba_attr->fabric_name = port->fabric->lps->pr_nwwn;
2672         strlcpy(hba_attr->bios_ver, hba_attr->option_rom_ver, BFA_VERSION_LEN);
2673
2674 }
2675
2676 static void
2677 bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2678                           struct bfa_fcs_fdmi_port_attr_s *port_attr)
2679 {
2680         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2681         struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
2682         struct bfa_port_attr_s pport_attr;
2683         struct bfa_lport_attr_s lport_attr;
2684
2685         memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
2686
2687         /*
2688          * get pport attributes from hal
2689          */
2690         bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
2691
2692         /*
2693          * get FC4 type Bitmask
2694          */
2695         fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
2696
2697         /*
2698          * Supported Speeds
2699          */
2700         switch (pport_attr.speed_supported) {
2701         case BFA_PORT_SPEED_16GBPS:
2702                 port_attr->supp_speed =
2703                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_16G);
2704                 break;
2705
2706         case BFA_PORT_SPEED_10GBPS:
2707                 port_attr->supp_speed =
2708                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_10G);
2709                 break;
2710
2711         case BFA_PORT_SPEED_8GBPS:
2712                 port_attr->supp_speed =
2713                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_8G);
2714                 break;
2715
2716         case BFA_PORT_SPEED_4GBPS:
2717                 port_attr->supp_speed =
2718                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_4G);
2719                 break;
2720
2721         default:
2722                 bfa_sm_fault(port->fcs, pport_attr.speed_supported);
2723         }
2724
2725         /*
2726          * Current Speed
2727          */
2728         port_attr->curr_speed = cpu_to_be32(
2729                                 bfa_fcs_fdmi_convert_speed(pport_attr.speed));
2730
2731         /*
2732          * Max PDU Size.
2733          */
2734         port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);
2735
2736         /*
2737          * OS device Name
2738          */
2739         strlcpy(port_attr->os_device_name, driver_info->os_device_name,
2740                 sizeof(port_attr->os_device_name));
2741
2742         /*
2743          * Host name
2744          */
2745         strlcpy(port_attr->host_name, driver_info->host_machine_name,
2746                 sizeof(port_attr->host_name));
2747
2748         port_attr->node_name = bfa_fcs_lport_get_nwwn(port);
2749         port_attr->port_name = bfa_fcs_lport_get_pwwn(port);
2750
2751         strlcpy(port_attr->port_sym_name.symname,
2752                 bfa_fcs_lport_get_psym_name(port).symname, BFA_SYMNAME_MAXLEN);
2753         bfa_fcs_lport_get_attr(port, &lport_attr);
2754         port_attr->port_type = cpu_to_be32(lport_attr.port_type);
2755         port_attr->scos = pport_attr.cos_supported;
2756         port_attr->port_fabric_name = port->fabric->lps->pr_nwwn;
2757         fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->port_act_fc4_type);
2758         port_attr->port_state = cpu_to_be32(pport_attr.port_state);
2759         port_attr->num_ports = cpu_to_be32(port->num_rports);
2760 }
2761
2762 /*
2763  * Convert BFA speed to FDMI format.
2764  */
2765 u32
2766 bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)
2767 {
2768         u32     ret;
2769
2770         switch (pport_speed) {
2771         case BFA_PORT_SPEED_1GBPS:
2772         case BFA_PORT_SPEED_2GBPS:
2773                 ret = pport_speed;
2774                 break;
2775
2776         case BFA_PORT_SPEED_4GBPS:
2777                 ret = FDMI_TRANS_SPEED_4G;
2778                 break;
2779
2780         case BFA_PORT_SPEED_8GBPS:
2781                 ret = FDMI_TRANS_SPEED_8G;
2782                 break;
2783
2784         case BFA_PORT_SPEED_10GBPS:
2785                 ret = FDMI_TRANS_SPEED_10G;
2786                 break;
2787
2788         case BFA_PORT_SPEED_16GBPS:
2789                 ret = FDMI_TRANS_SPEED_16G;
2790                 break;
2791
2792         default:
2793                 ret = FDMI_TRANS_SPEED_UNKNOWN;
2794         }
2795         return ret;
2796 }
2797
2798 void
2799 bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
2800 {
2801         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2802
2803         fdmi->ms = ms;
2804         if (ms->port->fcs->fdmi_enabled)
2805                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
2806         else
2807                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
2808 }
2809
2810 void
2811 bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
2812 {
2813         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2814
2815         fdmi->ms = ms;
2816         bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
2817 }
2818
2819 void
2820 bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
2821 {
2822         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2823
2824         fdmi->ms = ms;
2825         bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
2826 }
2827
2828 #define BFA_FCS_MS_CMD_MAX_RETRIES  2
2829
2830 /*
2831  * forward declarations
2832  */
2833 static void     bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
2834                                            struct bfa_fcxp_s *fcxp_alloced);
2835 static void     bfa_fcs_lport_ms_timeout(void *arg);
2836 static void     bfa_fcs_lport_ms_plogi_response(void *fcsarg,
2837                                                struct bfa_fcxp_s *fcxp,
2838                                                void *cbarg,
2839                                                bfa_status_t req_status,
2840                                                u32 rsp_len,
2841                                                u32 resid_len,
2842                                                struct fchs_s *rsp_fchs);
2843
2844 static void     bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
2845                                         struct bfa_fcxp_s *fcxp_alloced);
2846 static void     bfa_fcs_lport_ms_gmal_response(void *fcsarg,
2847                                                struct bfa_fcxp_s *fcxp,
2848                                                void *cbarg,
2849                                                bfa_status_t req_status,
2850                                                u32 rsp_len,
2851                                                u32 resid_len,
2852                                                struct fchs_s *rsp_fchs);
2853 static void     bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
2854                                         struct bfa_fcxp_s *fcxp_alloced);
2855 static void     bfa_fcs_lport_ms_gfn_response(void *fcsarg,
2856                                                struct bfa_fcxp_s *fcxp,
2857                                                void *cbarg,
2858                                                bfa_status_t req_status,
2859                                                u32 rsp_len,
2860                                                u32 resid_len,
2861                                                struct fchs_s *rsp_fchs);
2862 /*
2863  *  fcs_ms_sm FCS MS state machine
2864  */
2865
2866 /*
2867  *  MS State Machine events
2868  */
2869 enum port_ms_event {
2870         MSSM_EVENT_PORT_ONLINE = 1,
2871         MSSM_EVENT_PORT_OFFLINE = 2,
2872         MSSM_EVENT_RSP_OK = 3,
2873         MSSM_EVENT_RSP_ERROR = 4,
2874         MSSM_EVENT_TIMEOUT = 5,
2875         MSSM_EVENT_FCXP_SENT = 6,
2876         MSSM_EVENT_PORT_FABRIC_RSCN = 7
2877 };
2878
2879 static void     bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2880                                            enum port_ms_event event);
2881 static void     bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2882                                                  enum port_ms_event event);
2883 static void     bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2884                                          enum port_ms_event event);
2885 static void     bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2886                                                enum port_ms_event event);
2887 static void     bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2888                                                  enum port_ms_event event);
2889 static void     bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2890                                          enum port_ms_event event);
2891 static void     bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2892                                                enum port_ms_event event);
2893 static void     bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2894                                                  enum port_ms_event event);
2895 static void     bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2896                                          enum port_ms_event event);
2897 static void     bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2898                                                enum port_ms_event event);
2899 static void     bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2900                                           enum port_ms_event event);
2901 /*
2902  *      Start in offline state - awaiting NS to send start.
2903  */
2904 static void
2905 bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2906                                 enum port_ms_event event)
2907 {
2908         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2909         bfa_trc(ms->port->fcs, event);
2910
2911         switch (event) {
2912         case MSSM_EVENT_PORT_ONLINE:
2913                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2914                 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2915                 break;
2916
2917         case MSSM_EVENT_PORT_OFFLINE:
2918                 break;
2919
2920         default:
2921                 bfa_sm_fault(ms->port->fcs, event);
2922         }
2923 }
2924
2925 static void
2926 bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2927                                 enum port_ms_event event)
2928 {
2929         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2930         bfa_trc(ms->port->fcs, event);
2931
2932         switch (event) {
2933         case MSSM_EVENT_FCXP_SENT:
2934                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
2935                 break;
2936
2937         case MSSM_EVENT_PORT_OFFLINE:
2938                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2939                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2940                                            &ms->fcxp_wqe);
2941                 break;
2942
2943         default:
2944                 bfa_sm_fault(ms->port->fcs, event);
2945         }
2946 }
2947
2948 static void
2949 bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2950                         enum port_ms_event event)
2951 {
2952         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2953         bfa_trc(ms->port->fcs, event);
2954
2955         switch (event) {
2956         case MSSM_EVENT_RSP_ERROR:
2957                 /*
2958                  * Start timer for a delayed retry
2959                  */
2960                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
2961                 ms->port->stats.ms_retries++;
2962                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2963                                     &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2964                                     BFA_FCS_RETRY_TIMEOUT);
2965                 break;
2966
2967         case MSSM_EVENT_RSP_OK:
2968                 /*
2969                  * since plogi is done, now invoke MS related sub-modules
2970                  */
2971                 bfa_fcs_lport_fdmi_online(ms);
2972
2973                 /*
2974                  * if this is a Vport, go to online state.
2975                  */
2976                 if (ms->port->vport) {
2977                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2978                         break;
2979                 }
2980
2981                 /*
2982                  * For a base port we need to get the
2983                  * switch's IP address.
2984                  */
2985                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2986                 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2987                 break;
2988
2989         case MSSM_EVENT_PORT_OFFLINE:
2990                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2991                 bfa_fcxp_discard(ms->fcxp);
2992                 break;
2993
2994         default:
2995                 bfa_sm_fault(ms->port->fcs, event);
2996         }
2997 }
2998
2999 static void
3000 bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
3001                         enum port_ms_event event)
3002 {
3003         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3004         bfa_trc(ms->port->fcs, event);
3005
3006         switch (event) {
3007         case MSSM_EVENT_TIMEOUT:
3008                 /*
3009                  * Retry Timer Expired. Re-send
3010                  */
3011                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
3012                 bfa_fcs_lport_ms_send_plogi(ms, NULL);
3013                 break;
3014
3015         case MSSM_EVENT_PORT_OFFLINE:
3016                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3017                 bfa_timer_stop(&ms->timer);
3018                 break;
3019
3020         default:
3021                 bfa_sm_fault(ms->port->fcs, event);
3022         }
3023 }
3024
3025 static void
3026 bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
3027                         enum port_ms_event event)
3028 {
3029         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3030         bfa_trc(ms->port->fcs, event);
3031
3032         switch (event) {
3033         case MSSM_EVENT_PORT_OFFLINE:
3034                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3035                 break;
3036
3037         case MSSM_EVENT_PORT_FABRIC_RSCN:
3038                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3039                 ms->retry_cnt = 0;
3040                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3041                 break;
3042
3043         default:
3044                 bfa_sm_fault(ms->port->fcs, event);
3045         }
3046 }
3047
3048 static void
3049 bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
3050                                 enum port_ms_event event)
3051 {
3052         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3053         bfa_trc(ms->port->fcs, event);
3054
3055         switch (event) {
3056         case MSSM_EVENT_FCXP_SENT:
3057                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
3058                 break;
3059
3060         case MSSM_EVENT_PORT_OFFLINE:
3061                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3062                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3063                                            &ms->fcxp_wqe);
3064                 break;
3065
3066         default:
3067                 bfa_sm_fault(ms->port->fcs, event);
3068         }
3069 }
3070
3071 static void
3072 bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
3073                                 enum port_ms_event event)
3074 {
3075         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3076         bfa_trc(ms->port->fcs, event);
3077
3078         switch (event) {
3079         case MSSM_EVENT_RSP_ERROR:
3080                 /*
3081                  * Start timer for a delayed retry
3082                  */
3083                 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3084                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
3085                         ms->port->stats.ms_retries++;
3086                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3087                                 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
3088                                 BFA_FCS_RETRY_TIMEOUT);
3089                 } else {
3090                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3091                         bfa_fcs_lport_ms_send_gfn(ms, NULL);
3092                         ms->retry_cnt = 0;
3093                 }
3094                 break;
3095
3096         case MSSM_EVENT_RSP_OK:
3097                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3098                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3099                 break;
3100
3101         case MSSM_EVENT_PORT_OFFLINE:
3102                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3103                 bfa_fcxp_discard(ms->fcxp);
3104                 break;
3105
3106         default:
3107                 bfa_sm_fault(ms->port->fcs, event);
3108         }
3109 }
3110
3111 static void
3112 bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
3113                                 enum port_ms_event event)
3114 {
3115         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3116         bfa_trc(ms->port->fcs, event);
3117
3118         switch (event) {
3119         case MSSM_EVENT_TIMEOUT:
3120                 /*
3121                  * Retry Timer Expired. Re-send
3122                  */
3123                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
3124                 bfa_fcs_lport_ms_send_gmal(ms, NULL);
3125                 break;
3126
3127         case MSSM_EVENT_PORT_OFFLINE:
3128                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3129                 bfa_timer_stop(&ms->timer);
3130                 break;
3131
3132         default:
3133                 bfa_sm_fault(ms->port->fcs, event);
3134         }
3135 }
3136 /*
3137  *  ms_pvt MS local functions
3138  */
3139
3140 static void
3141 bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3142 {
3143         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3144         bfa_fcs_lport_t *port = ms->port;
3145         struct fchs_s   fchs;
3146         int             len;
3147         struct bfa_fcxp_s *fcxp;
3148
3149         bfa_trc(port->fcs, port->pid);
3150
3151         fcxp = fcxp_alloced ? fcxp_alloced :
3152                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3153         if (!fcxp) {
3154                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3155                                 bfa_fcs_lport_ms_send_gmal, ms, BFA_TRUE);
3156                 return;
3157         }
3158         ms->fcxp = fcxp;
3159
3160         len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3161                              bfa_fcs_lport_get_fcid(port),
3162                                  port->fabric->lps->pr_nwwn);
3163
3164         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3165                           FC_CLASS_3, len, &fchs,
3166                           bfa_fcs_lport_ms_gmal_response, (void *)ms,
3167                           FC_MAX_PDUSZ, FC_FCCT_TOV);
3168
3169         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3170 }
3171
3172 static void
3173 bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3174                                 void *cbarg, bfa_status_t req_status,
3175                                 u32 rsp_len, u32 resid_len,
3176                                 struct fchs_s *rsp_fchs)
3177 {
3178         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3179         bfa_fcs_lport_t *port = ms->port;
3180         struct ct_hdr_s         *cthdr = NULL;
3181         struct fcgs_gmal_resp_s *gmal_resp;
3182         struct fcgs_gmal_entry_s *gmal_entry;
3183         u32             num_entries;
3184         u8                      *rsp_str;
3185
3186         bfa_trc(port->fcs, req_status);
3187         bfa_trc(port->fcs, port->port_cfg.pwwn);
3188
3189         /*
3190          * Sanity Checks
3191          */
3192         if (req_status != BFA_STATUS_OK) {
3193                 bfa_trc(port->fcs, req_status);
3194                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3195                 return;
3196         }
3197
3198         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3199         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3200
3201         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3202                 gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
3203
3204                 num_entries = be32_to_cpu(gmal_resp->ms_len);
3205                 if (num_entries == 0) {
3206                         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3207                         return;
3208                 }
3209                 /*
3210                 * The response could contain multiple Entries.
3211                 * Entries for SNMP interface, etc.
3212                 * We look for the entry with a telnet prefix.
3213                 * First "http://" entry refers to IP addr
3214                 */
3215
3216                 gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
3217                 while (num_entries > 0) {
3218                         if (strncmp(gmal_entry->prefix,
3219                                 CT_GMAL_RESP_PREFIX_HTTP,
3220                                 sizeof(gmal_entry->prefix)) == 0) {
3221
3222                                 /*
3223                                 * if the IP address is terminating with a '/',
3224                                 * remove it.
3225                                 * Byte 0 consists of the length of the string.
3226                                 */
3227                                 rsp_str = &(gmal_entry->prefix[0]);
3228                                 if (rsp_str[gmal_entry->len-1] == '/')
3229                                         rsp_str[gmal_entry->len-1] = 0;
3230
3231                                 /* copy IP Address to fabric */
3232                                 strlcpy(bfa_fcs_lport_get_fabric_ipaddr(port),
3233                                         gmal_entry->ip_addr,
3234                                         BFA_FCS_FABRIC_IPADDR_SZ);
3235                                 break;
3236                         } else {
3237                                 --num_entries;
3238                                 ++gmal_entry;
3239                         }
3240                 }
3241
3242                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3243                 return;
3244         }
3245
3246         bfa_trc(port->fcs, cthdr->reason_code);
3247         bfa_trc(port->fcs, cthdr->exp_code);
3248         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3249 }
3250
3251 static void
3252 bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
3253                         enum port_ms_event event)
3254 {
3255         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3256         bfa_trc(ms->port->fcs, event);
3257
3258         switch (event) {
3259         case MSSM_EVENT_FCXP_SENT:
3260                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
3261                 break;
3262
3263         case MSSM_EVENT_PORT_OFFLINE:
3264                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3265                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3266                                            &ms->fcxp_wqe);
3267                 break;
3268
3269         default:
3270                 bfa_sm_fault(ms->port->fcs, event);
3271         }
3272 }
3273
3274 static void
3275 bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
3276                         enum port_ms_event event)
3277 {
3278         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3279         bfa_trc(ms->port->fcs, event);
3280
3281         switch (event) {
3282         case MSSM_EVENT_RSP_ERROR:
3283                 /*
3284                  * Start timer for a delayed retry
3285                  */
3286                 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3287                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
3288                         ms->port->stats.ms_retries++;
3289                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3290                                 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
3291                                 BFA_FCS_RETRY_TIMEOUT);
3292                 } else {
3293                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3294                         ms->retry_cnt = 0;
3295                 }
3296                 break;
3297
3298         case MSSM_EVENT_RSP_OK:
3299                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3300                 break;
3301
3302         case MSSM_EVENT_PORT_OFFLINE:
3303                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3304                 bfa_fcxp_discard(ms->fcxp);
3305                 break;
3306
3307         default:
3308                 bfa_sm_fault(ms->port->fcs, event);
3309         }
3310 }
3311
3312 static void
3313 bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
3314                                 enum port_ms_event event)
3315 {
3316         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3317         bfa_trc(ms->port->fcs, event);
3318
3319         switch (event) {
3320         case MSSM_EVENT_TIMEOUT:
3321                 /*
3322                  * Retry Timer Expired. Re-send
3323                  */
3324                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3325                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3326                 break;
3327
3328         case MSSM_EVENT_PORT_OFFLINE:
3329                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3330                 bfa_timer_stop(&ms->timer);
3331                 break;
3332
3333         default:
3334                 bfa_sm_fault(ms->port->fcs, event);
3335         }
3336 }
3337 /*
3338  *  ms_pvt MS local functions
3339  */
3340
3341 static void
3342 bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3343 {
3344         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3345         bfa_fcs_lport_t *port = ms->port;
3346         struct fchs_s           fchs;
3347         int                     len;
3348         struct bfa_fcxp_s *fcxp;
3349
3350         bfa_trc(port->fcs, port->pid);
3351
3352         fcxp = fcxp_alloced ? fcxp_alloced :
3353                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3354         if (!fcxp) {
3355                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3356                                 bfa_fcs_lport_ms_send_gfn, ms, BFA_TRUE);
3357                 return;
3358         }
3359         ms->fcxp = fcxp;
3360
3361         len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3362                              bfa_fcs_lport_get_fcid(port),
3363                                  port->fabric->lps->pr_nwwn);
3364
3365         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3366                           FC_CLASS_3, len, &fchs,
3367                           bfa_fcs_lport_ms_gfn_response, (void *)ms,
3368                           FC_MAX_PDUSZ, FC_FCCT_TOV);
3369
3370         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3371 }
3372
3373 static void
3374 bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3375                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
3376                         u32 resid_len, struct fchs_s *rsp_fchs)
3377 {
3378         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3379         bfa_fcs_lport_t *port = ms->port;
3380         struct ct_hdr_s *cthdr = NULL;
3381         wwn_t          *gfn_resp;
3382
3383         bfa_trc(port->fcs, req_status);
3384         bfa_trc(port->fcs, port->port_cfg.pwwn);
3385
3386         /*
3387          * Sanity Checks
3388          */
3389         if (req_status != BFA_STATUS_OK) {
3390                 bfa_trc(port->fcs, req_status);
3391                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3392                 return;
3393         }
3394
3395         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3396         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3397
3398         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3399                 gfn_resp = (wwn_t *)(cthdr + 1);
3400                 /* check if it has actually changed */
3401                 if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
3402                                 gfn_resp, sizeof(wwn_t)) != 0)) {
3403                         bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
3404                 }
3405                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3406                 return;
3407         }
3408
3409         bfa_trc(port->fcs, cthdr->reason_code);
3410         bfa_trc(port->fcs, cthdr->exp_code);
3411         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3412 }
3413
3414 /*
3415  *  ms_pvt MS local functions
3416  */
3417
3418 static void
3419 bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3420 {
3421         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3422         struct bfa_fcs_lport_s *port = ms->port;
3423         struct fchs_s   fchs;
3424         int     len;
3425         struct bfa_fcxp_s *fcxp;
3426
3427         bfa_trc(port->fcs, port->pid);
3428
3429         fcxp = fcxp_alloced ? fcxp_alloced :
3430                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3431         if (!fcxp) {
3432                 port->stats.ms_plogi_alloc_wait++;
3433                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3434                                 bfa_fcs_lport_ms_send_plogi, ms, BFA_TRUE);
3435                 return;
3436         }
3437         ms->fcxp = fcxp;
3438
3439         len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3440                              bfa_hton3b(FC_MGMT_SERVER),
3441                              bfa_fcs_lport_get_fcid(port), 0,
3442                              port->port_cfg.pwwn, port->port_cfg.nwwn,
3443                              bfa_fcport_get_maxfrsize(port->fcs->bfa),
3444                              bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
3445
3446         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3447                           FC_CLASS_3, len, &fchs,
3448                           bfa_fcs_lport_ms_plogi_response, (void *)ms,
3449                           FC_MAX_PDUSZ, FC_ELS_TOV);
3450
3451         port->stats.ms_plogi_sent++;
3452         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3453 }
3454
3455 static void
3456 bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3457                         void *cbarg, bfa_status_t req_status,
3458                         u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
3459 {
3460         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3461         struct bfa_fcs_lport_s *port = ms->port;
3462         struct fc_els_cmd_s *els_cmd;
3463         struct fc_ls_rjt_s *ls_rjt;
3464
3465         bfa_trc(port->fcs, req_status);
3466         bfa_trc(port->fcs, port->port_cfg.pwwn);
3467
3468         /*
3469          * Sanity Checks
3470          */
3471         if (req_status != BFA_STATUS_OK) {
3472                 port->stats.ms_plogi_rsp_err++;
3473                 bfa_trc(port->fcs, req_status);
3474                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3475                 return;
3476         }
3477
3478         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
3479
3480         switch (els_cmd->els_code) {
3481
3482         case FC_ELS_ACC:
3483                 if (rsp_len < sizeof(struct fc_logi_s)) {
3484                         bfa_trc(port->fcs, rsp_len);
3485                         port->stats.ms_plogi_acc_err++;
3486                         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3487                         break;
3488                 }
3489                 port->stats.ms_plogi_accepts++;
3490                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3491                 break;
3492
3493         case FC_ELS_LS_RJT:
3494                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
3495
3496                 bfa_trc(port->fcs, ls_rjt->reason_code);
3497                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
3498
3499                 port->stats.ms_rejects++;
3500                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3501                 break;
3502
3503         default:
3504                 port->stats.ms_plogi_unknown_rsp++;
3505                 bfa_trc(port->fcs, els_cmd->els_code);
3506                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3507         }
3508 }
3509
3510 static void
3511 bfa_fcs_lport_ms_timeout(void *arg)
3512 {
3513         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
3514
3515         ms->port->stats.ms_timeouts++;
3516         bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
3517 }
3518
3519
3520 void
3521 bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
3522 {
3523         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3524
3525         ms->port = port;
3526         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3527
3528         /*
3529          * Invoke init routines of sub modules.
3530          */
3531         bfa_fcs_lport_fdmi_init(ms);
3532 }
3533
3534 void
3535 bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
3536 {
3537         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3538
3539         ms->port = port;
3540         bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
3541         bfa_fcs_lport_fdmi_offline(ms);
3542 }
3543
3544 void
3545 bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
3546 {
3547         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3548
3549         ms->port = port;
3550         bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
3551 }
3552 void
3553 bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
3554 {
3555         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3556
3557         /* todo.  Handle this only  when in Online state */
3558         if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
3559                 bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
3560 }
3561
3562 /*
3563  * @page ns_sm_info VPORT NS State Machine
3564  *
3565  * @section ns_sm_interactions VPORT NS State Machine Interactions
3566  *
3567  * @section ns_sm VPORT NS State Machine
3568  * img ns_sm.jpg
3569  */
3570
3571 /*
3572  * forward declarations
3573  */
3574 static void     bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
3575                                            struct bfa_fcxp_s *fcxp_alloced);
3576 static void     bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
3577                                              struct bfa_fcxp_s *fcxp_alloced);
3578 static void     bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
3579                                             struct bfa_fcxp_s *fcxp_alloced);
3580 static void     bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
3581                                             struct bfa_fcxp_s *fcxp_alloced);
3582 static void     bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
3583                                             struct bfa_fcxp_s *fcxp_alloced);
3584 static void     bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg,
3585                                         struct bfa_fcxp_s *fcxp_alloced);
3586 static void     bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg,
3587                                         struct bfa_fcxp_s *fcxp_alloced);
3588 static void     bfa_fcs_lport_ns_timeout(void *arg);
3589 static void     bfa_fcs_lport_ns_plogi_response(void *fcsarg,
3590                                                struct bfa_fcxp_s *fcxp,
3591                                                void *cbarg,
3592                                                bfa_status_t req_status,
3593                                                u32 rsp_len,
3594                                                u32 resid_len,
3595                                                struct fchs_s *rsp_fchs);
3596 static void     bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
3597                                                  struct bfa_fcxp_s *fcxp,
3598                                                  void *cbarg,
3599                                                  bfa_status_t req_status,
3600                                                  u32 rsp_len,
3601                                                  u32 resid_len,
3602                                                  struct fchs_s *rsp_fchs);
3603 static void     bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
3604                                                 struct bfa_fcxp_s *fcxp,
3605                                                 void *cbarg,
3606                                                 bfa_status_t req_status,
3607                                                 u32 rsp_len,
3608                                                 u32 resid_len,
3609                                                 struct fchs_s *rsp_fchs);
3610 static void     bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
3611                                                 struct bfa_fcxp_s *fcxp,
3612                                                 void *cbarg,
3613                                                 bfa_status_t req_status,
3614                                                 u32 rsp_len,
3615                                                 u32 resid_len,
3616                                                 struct fchs_s *rsp_fchs);
3617 static void     bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
3618                                                 struct bfa_fcxp_s *fcxp,
3619                                                 void *cbarg,
3620                                                 bfa_status_t req_status,
3621                                                 u32 rsp_len,
3622                                                 u32 resid_len,
3623                                                 struct fchs_s *rsp_fchs);
3624 static void     bfa_fcs_lport_ns_rnn_id_response(void *fcsarg,
3625                                                 struct bfa_fcxp_s *fcxp,
3626                                                 void *cbarg,
3627                                                 bfa_status_t req_status,
3628                                                 u32 rsp_len,
3629                                                 u32 resid_len,
3630                                                 struct fchs_s *rsp_fchs);
3631 static void     bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg,
3632                                                 struct bfa_fcxp_s *fcxp,
3633                                                 void *cbarg,
3634                                                 bfa_status_t req_status,
3635                                                 u32 rsp_len,
3636                                                 u32 resid_len,
3637                                                 struct fchs_s *rsp_fchs);
3638 static void     bfa_fcs_lport_ns_process_gidft_pids(
3639                                 struct bfa_fcs_lport_s *port,
3640                                 u32 *pid_buf, u32 n_pids);
3641
3642 static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
3643 /*
3644  *  fcs_ns_sm FCS nameserver interface state machine
3645  */
3646
3647 /*
3648  * VPort NS State Machine events
3649  */
3650 enum vport_ns_event {
3651         NSSM_EVENT_PORT_ONLINE = 1,
3652         NSSM_EVENT_PORT_OFFLINE = 2,
3653         NSSM_EVENT_PLOGI_SENT = 3,
3654         NSSM_EVENT_RSP_OK = 4,
3655         NSSM_EVENT_RSP_ERROR = 5,
3656         NSSM_EVENT_TIMEOUT = 6,
3657         NSSM_EVENT_NS_QUERY = 7,
3658         NSSM_EVENT_RSPNID_SENT = 8,
3659         NSSM_EVENT_RFTID_SENT = 9,
3660         NSSM_EVENT_RFFID_SENT = 10,
3661         NSSM_EVENT_GIDFT_SENT = 11,
3662         NSSM_EVENT_RNNID_SENT = 12,
3663         NSSM_EVENT_RSNN_NN_SENT = 13,
3664 };
3665
3666 static void     bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3667                                            enum vport_ns_event event);
3668 static void     bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3669                                                  enum vport_ns_event event);
3670 static void     bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3671                                          enum vport_ns_event event);
3672 static void     bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3673                                                enum vport_ns_event event);
3674 static void     bfa_fcs_lport_ns_sm_sending_rspn_id(
3675                                         struct bfa_fcs_lport_ns_s *ns,
3676                                         enum vport_ns_event event);
3677 static void     bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3678                                            enum vport_ns_event event);
3679 static void     bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3680                                                  enum vport_ns_event event);
3681 static void     bfa_fcs_lport_ns_sm_sending_rft_id(
3682                                         struct bfa_fcs_lport_ns_s *ns,
3683                                         enum vport_ns_event event);
3684 static void     bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3685                                                 enum vport_ns_event event);
3686 static void     bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3687                                           enum vport_ns_event event);
3688 static void     bfa_fcs_lport_ns_sm_sending_rff_id(
3689                                         struct bfa_fcs_lport_ns_s *ns,
3690                                         enum vport_ns_event event);
3691 static void     bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3692                                                 enum vport_ns_event event);
3693 static void     bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3694                                           enum vport_ns_event event);
3695 static void     bfa_fcs_lport_ns_sm_sending_gid_ft(
3696                                         struct bfa_fcs_lport_ns_s *ns,
3697                                         enum vport_ns_event event);
3698 static void     bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3699                                           enum vport_ns_event event);
3700 static void     bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3701                                                 enum vport_ns_event event);
3702 static void     bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3703                                           enum vport_ns_event event);
3704 static void     bfa_fcs_lport_ns_sm_sending_rnn_id(
3705                                         struct bfa_fcs_lport_ns_s *ns,
3706                                         enum vport_ns_event event);
3707 static void     bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3708                                         enum vport_ns_event event);
3709 static void     bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3710                                                 enum vport_ns_event event);
3711 static void     bfa_fcs_lport_ns_sm_sending_rsnn_nn(
3712                                         struct bfa_fcs_lport_ns_s *ns,
3713                                         enum vport_ns_event event);
3714 static void     bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3715                                                 enum vport_ns_event event);
3716 static void     bfa_fcs_lport_ns_sm_rsnn_nn_retry(
3717                                         struct bfa_fcs_lport_ns_s *ns,
3718                                         enum vport_ns_event event);
3719 /*
3720  *      Start in offline state - awaiting linkup
3721  */
3722 static void
3723 bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3724                         enum vport_ns_event event)
3725 {
3726         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3727         bfa_trc(ns->port->fcs, event);
3728
3729         switch (event) {
3730         case NSSM_EVENT_PORT_ONLINE:
3731                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3732                 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3733                 break;
3734
3735         case NSSM_EVENT_PORT_OFFLINE:
3736                 break;
3737
3738         default:
3739                 bfa_sm_fault(ns->port->fcs, event);
3740         }
3741 }
3742
3743 static void
3744 bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3745                         enum vport_ns_event event)
3746 {
3747         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3748         bfa_trc(ns->port->fcs, event);
3749
3750         switch (event) {
3751         case NSSM_EVENT_PLOGI_SENT:
3752                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
3753                 break;
3754
3755         case NSSM_EVENT_PORT_OFFLINE:
3756                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3757                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3758                                            &ns->fcxp_wqe);
3759                 break;
3760
3761         default:
3762                 bfa_sm_fault(ns->port->fcs, event);
3763         }
3764 }
3765
3766 static void
3767 bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3768                         enum vport_ns_event event)
3769 {
3770         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3771         bfa_trc(ns->port->fcs, event);
3772
3773         switch (event) {
3774         case NSSM_EVENT_RSP_ERROR:
3775                 /*
3776                  * Start timer for a delayed retry
3777                  */
3778                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
3779                 ns->port->stats.ns_retries++;
3780                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3781                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3782                                     BFA_FCS_RETRY_TIMEOUT);
3783                 break;
3784
3785         case NSSM_EVENT_RSP_OK:
3786                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3787                 ns->num_rnnid_retries = 0;
3788                 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3789                 break;
3790
3791         case NSSM_EVENT_PORT_OFFLINE:
3792                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3793                 bfa_fcxp_discard(ns->fcxp);
3794                 break;
3795
3796         default:
3797                 bfa_sm_fault(ns->port->fcs, event);
3798         }
3799 }
3800
3801 static void
3802 bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3803                                 enum vport_ns_event event)
3804 {
3805         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3806         bfa_trc(ns->port->fcs, event);
3807
3808         switch (event) {
3809         case NSSM_EVENT_TIMEOUT:
3810                 /*
3811                  * Retry Timer Expired. Re-send
3812                  */
3813                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3814                 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3815                 break;
3816
3817         case NSSM_EVENT_PORT_OFFLINE:
3818                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3819                 bfa_timer_stop(&ns->timer);
3820                 break;
3821
3822         default:
3823                 bfa_sm_fault(ns->port->fcs, event);
3824         }
3825 }
3826
3827 static void
3828 bfa_fcs_lport_ns_sm_sending_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3829                                         enum vport_ns_event event)
3830 {
3831         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3832         bfa_trc(ns->port->fcs, event);
3833
3834         switch (event) {
3835         case NSSM_EVENT_RNNID_SENT:
3836                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id);
3837                 break;
3838
3839         case NSSM_EVENT_PORT_OFFLINE:
3840                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3841                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3842                                                 &ns->fcxp_wqe);
3843                 break;
3844         default:
3845                 bfa_sm_fault(ns->port->fcs, event);
3846         }
3847 }
3848
3849 static void
3850 bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3851                                 enum vport_ns_event event)
3852 {
3853         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3854         bfa_trc(ns->port->fcs, event);
3855
3856         switch (event) {
3857         case NSSM_EVENT_RSP_OK:
3858                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3859                 ns->num_rnnid_retries = 0;
3860                 ns->num_rsnn_nn_retries = 0;
3861                 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3862                 break;
3863
3864         case NSSM_EVENT_RSP_ERROR:
3865                 if (ns->num_rnnid_retries < BFA_FCS_MAX_NS_RETRIES) {
3866                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id_retry);
3867                         ns->port->stats.ns_retries++;
3868                         ns->num_rnnid_retries++;
3869                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3870                                 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3871                                 BFA_FCS_RETRY_TIMEOUT);
3872                 } else {
3873                         bfa_sm_set_state(ns,
3874                                 bfa_fcs_lport_ns_sm_sending_rspn_id);
3875                         bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3876                 }
3877                 break;
3878
3879         case NSSM_EVENT_PORT_OFFLINE:
3880                 bfa_fcxp_discard(ns->fcxp);
3881                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3882                 break;
3883
3884         default:
3885                 bfa_sm_fault(ns->port->fcs, event);
3886         }
3887 }
3888
3889 static void
3890 bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3891                                 enum vport_ns_event event)
3892 {
3893         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3894         bfa_trc(ns->port->fcs, event);
3895
3896         switch (event) {
3897         case NSSM_EVENT_TIMEOUT:
3898                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3899                 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3900                 break;
3901
3902         case NSSM_EVENT_PORT_OFFLINE:
3903                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3904                 bfa_timer_stop(&ns->timer);
3905                 break;
3906
3907         default:
3908                 bfa_sm_fault(ns->port->fcs, event);
3909         }
3910 }
3911
3912 static void
3913 bfa_fcs_lport_ns_sm_sending_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3914                                         enum vport_ns_event event)
3915 {
3916         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3917         bfa_trc(ns->port->fcs, event);
3918
3919         switch (event) {
3920         case NSSM_EVENT_RSNN_NN_SENT:
3921                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn);
3922                 break;
3923
3924         case NSSM_EVENT_PORT_OFFLINE:
3925                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3926                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3927                         &ns->fcxp_wqe);
3928                 break;
3929
3930         default:
3931                 bfa_sm_fault(ns->port->fcs, event);
3932         }
3933 }
3934
3935 static void
3936 bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3937                                 enum vport_ns_event event)
3938 {
3939         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3940         bfa_trc(ns->port->fcs, event);
3941
3942         switch (event) {
3943         case NSSM_EVENT_RSP_OK:
3944                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3945                 ns->num_rsnn_nn_retries = 0;
3946                 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3947                 break;
3948
3949         case NSSM_EVENT_RSP_ERROR:
3950                 if (ns->num_rsnn_nn_retries < BFA_FCS_MAX_NS_RETRIES) {
3951                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn_retry);
3952                         ns->port->stats.ns_retries++;
3953                         ns->num_rsnn_nn_retries++;
3954                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3955                                         &ns->timer, bfa_fcs_lport_ns_timeout,
3956                                         ns, BFA_FCS_RETRY_TIMEOUT);
3957                 } else {
3958                         bfa_sm_set_state(ns,
3959                                 bfa_fcs_lport_ns_sm_sending_rspn_id);
3960                         bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3961                 }
3962                 break;
3963
3964         case NSSM_EVENT_PORT_OFFLINE:
3965                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3966                 bfa_fcxp_discard(ns->fcxp);
3967                 break;
3968
3969         default:
3970                 bfa_sm_fault(ns->port->fcs, event);
3971         }
3972 }
3973
3974 static void
3975 bfa_fcs_lport_ns_sm_rsnn_nn_retry(struct bfa_fcs_lport_ns_s *ns,
3976                                         enum vport_ns_event event)
3977 {
3978         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3979         bfa_trc(ns->port->fcs, event);
3980
3981         switch (event) {
3982         case NSSM_EVENT_TIMEOUT:
3983                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3984                 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3985                 break;
3986
3987         case NSSM_EVENT_PORT_OFFLINE:
3988                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3989                 bfa_timer_stop(&ns->timer);
3990                 break;
3991
3992         default:
3993                 bfa_sm_fault(ns->port->fcs, event);
3994         }
3995 }
3996
3997 static void
3998 bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3999                                    enum vport_ns_event event)
4000 {
4001         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4002         bfa_trc(ns->port->fcs, event);
4003
4004         switch (event) {
4005         case NSSM_EVENT_RSPNID_SENT:
4006                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
4007                 break;
4008
4009         case NSSM_EVENT_PORT_OFFLINE:
4010                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4011                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4012                                            &ns->fcxp_wqe);
4013                 break;
4014
4015         default:
4016                 bfa_sm_fault(ns->port->fcs, event);
4017         }
4018 }
4019
4020 static void
4021 bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
4022                         enum vport_ns_event event)
4023 {
4024         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4025         bfa_trc(ns->port->fcs, event);
4026
4027         switch (event) {
4028         case NSSM_EVENT_RSP_ERROR:
4029                 /*
4030                  * Start timer for a delayed retry
4031                  */
4032                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
4033                 ns->port->stats.ns_retries++;
4034                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4035                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4036                                     BFA_FCS_RETRY_TIMEOUT);
4037                 break;
4038
4039         case NSSM_EVENT_RSP_OK:
4040                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
4041                 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
4042                 break;
4043
4044         case NSSM_EVENT_PORT_OFFLINE:
4045                 bfa_fcxp_discard(ns->fcxp);
4046                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4047                 break;
4048
4049         default:
4050                 bfa_sm_fault(ns->port->fcs, event);
4051         }
4052 }
4053
4054 static void
4055 bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
4056                                 enum vport_ns_event event)
4057 {
4058         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4059         bfa_trc(ns->port->fcs, event);
4060
4061         switch (event) {
4062         case NSSM_EVENT_TIMEOUT:
4063                 /*
4064                  * Retry Timer Expired. Re-send
4065                  */
4066                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
4067                 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
4068                 break;
4069
4070         case NSSM_EVENT_PORT_OFFLINE:
4071                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4072                 bfa_timer_stop(&ns->timer);
4073                 break;
4074
4075         default:
4076                 bfa_sm_fault(ns->port->fcs, event);
4077         }
4078 }
4079
4080 static void
4081 bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
4082                                   enum vport_ns_event event)
4083 {
4084         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4085         bfa_trc(ns->port->fcs, event);
4086
4087         switch (event) {
4088         case NSSM_EVENT_RFTID_SENT:
4089                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
4090                 break;
4091
4092         case NSSM_EVENT_PORT_OFFLINE:
4093                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4094                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4095                                            &ns->fcxp_wqe);
4096                 break;
4097
4098         default:
4099                 bfa_sm_fault(ns->port->fcs, event);
4100         }
4101 }
4102
4103 static void
4104 bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
4105                         enum vport_ns_event event)
4106 {
4107         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4108         bfa_trc(ns->port->fcs, event);
4109
4110         switch (event) {
4111         case NSSM_EVENT_RSP_OK:
4112                 /* Now move to register FC4 Features */
4113                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4114                 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4115                 break;
4116
4117         case NSSM_EVENT_RSP_ERROR:
4118                 /*
4119                  * Start timer for a delayed retry
4120                  */
4121                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
4122                 ns->port->stats.ns_retries++;
4123                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4124                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4125                                     BFA_FCS_RETRY_TIMEOUT);
4126                 break;
4127
4128         case NSSM_EVENT_PORT_OFFLINE:
4129                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4130                 bfa_fcxp_discard(ns->fcxp);
4131                 break;
4132
4133         default:
4134                 bfa_sm_fault(ns->port->fcs, event);
4135         }
4136 }
4137
4138 static void
4139 bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
4140                                 enum vport_ns_event event)
4141 {
4142         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4143         bfa_trc(ns->port->fcs, event);
4144
4145         switch (event) {
4146         case NSSM_EVENT_TIMEOUT:
4147                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
4148                 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
4149                 break;
4150
4151         case NSSM_EVENT_PORT_OFFLINE:
4152                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4153                 bfa_timer_stop(&ns->timer);
4154                 break;
4155
4156         default:
4157                 bfa_sm_fault(ns->port->fcs, event);
4158         }
4159 }
4160
4161 static void
4162 bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
4163                                   enum vport_ns_event event)
4164 {
4165         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4166         bfa_trc(ns->port->fcs, event);
4167
4168         switch (event) {
4169         case NSSM_EVENT_RFFID_SENT:
4170                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
4171                 break;
4172
4173         case NSSM_EVENT_PORT_OFFLINE:
4174                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4175                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4176                                            &ns->fcxp_wqe);
4177                 break;
4178
4179         default:
4180                 bfa_sm_fault(ns->port->fcs, event);
4181         }
4182 }
4183
4184 static void
4185 bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
4186                         enum vport_ns_event event)
4187 {
4188         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4189         bfa_trc(ns->port->fcs, event);
4190
4191         switch (event) {
4192         case NSSM_EVENT_RSP_OK:
4193
4194                 /*
4195                  * If min cfg mode is enabled, we donot initiate rport
4196                  * discovery with the fabric. Instead, we will retrieve the
4197                  * boot targets from HAL/FW.
4198                  */
4199                 if (__fcs_min_cfg(ns->port->fcs)) {
4200                         bfa_fcs_lport_ns_boot_target_disc(ns->port);
4201                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4202                         return;
4203                 }
4204
4205                 /*
4206                  * If the port role is Initiator Mode issue NS query.
4207                  * If it is Target Mode, skip this and go to online.
4208                  */
4209                 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4210                         bfa_sm_set_state(ns,
4211                                 bfa_fcs_lport_ns_sm_sending_gid_ft);
4212                         bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4213                 }
4214                 /*
4215                  * kick off mgmt srvr state machine
4216                  */
4217                 bfa_fcs_lport_ms_online(ns->port);
4218                 break;
4219
4220         case NSSM_EVENT_RSP_ERROR:
4221                 /*
4222                  * Start timer for a delayed retry
4223                  */
4224                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
4225                 ns->port->stats.ns_retries++;
4226                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4227                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4228                                     BFA_FCS_RETRY_TIMEOUT);
4229                 break;
4230
4231         case NSSM_EVENT_PORT_OFFLINE:
4232                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4233                 bfa_fcxp_discard(ns->fcxp);
4234                 break;
4235
4236         default:
4237                 bfa_sm_fault(ns->port->fcs, event);
4238         }
4239 }
4240
4241 static void
4242 bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
4243                                 enum vport_ns_event event)
4244 {
4245         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4246         bfa_trc(ns->port->fcs, event);
4247
4248         switch (event) {
4249         case NSSM_EVENT_TIMEOUT:
4250                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4251                 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4252                 break;
4253
4254         case NSSM_EVENT_PORT_OFFLINE:
4255                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4256                 bfa_timer_stop(&ns->timer);
4257                 break;
4258
4259         default:
4260                 bfa_sm_fault(ns->port->fcs, event);
4261         }
4262 }
4263 static void
4264 bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4265                                   enum vport_ns_event event)
4266 {
4267         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4268         bfa_trc(ns->port->fcs, event);
4269
4270         switch (event) {
4271         case NSSM_EVENT_GIDFT_SENT:
4272                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
4273                 break;
4274
4275         case NSSM_EVENT_PORT_OFFLINE:
4276                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4277                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4278                                            &ns->fcxp_wqe);
4279                 break;
4280
4281         default:
4282                 bfa_sm_fault(ns->port->fcs, event);
4283         }
4284 }
4285
4286 static void
4287 bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4288                         enum vport_ns_event event)
4289 {
4290         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4291         bfa_trc(ns->port->fcs, event);
4292
4293         switch (event) {
4294         case NSSM_EVENT_RSP_OK:
4295                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4296                 break;
4297
4298         case NSSM_EVENT_RSP_ERROR:
4299                 /*
4300                  * TBD: for certain reject codes, we don't need to retry
4301                  */
4302                 /*
4303                  * Start timer for a delayed retry
4304                  */
4305                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
4306                 ns->port->stats.ns_retries++;
4307                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4308                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4309                                     BFA_FCS_RETRY_TIMEOUT);
4310                 break;
4311
4312         case NSSM_EVENT_PORT_OFFLINE:
4313                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4314                 bfa_fcxp_discard(ns->fcxp);
4315                 break;
4316
4317         case  NSSM_EVENT_NS_QUERY:
4318                 break;
4319
4320         default:
4321                 bfa_sm_fault(ns->port->fcs, event);
4322         }
4323 }
4324
4325 static void
4326 bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
4327                                 enum vport_ns_event event)
4328 {
4329         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4330         bfa_trc(ns->port->fcs, event);
4331
4332         switch (event) {
4333         case NSSM_EVENT_TIMEOUT:
4334                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
4335                 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4336                 break;
4337
4338         case NSSM_EVENT_PORT_OFFLINE:
4339                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4340                 bfa_timer_stop(&ns->timer);
4341                 break;
4342
4343         default:
4344                 bfa_sm_fault(ns->port->fcs, event);
4345         }
4346 }
4347
4348 static void
4349 bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
4350                         enum vport_ns_event event)
4351 {
4352         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4353         bfa_trc(ns->port->fcs, event);
4354
4355         switch (event) {
4356         case NSSM_EVENT_PORT_OFFLINE:
4357                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4358                 break;
4359
4360         case NSSM_EVENT_NS_QUERY:
4361                 /*
4362                  * If the port role is Initiator Mode issue NS query.
4363                  * If it is Target Mode, skip this and go to online.
4364                  */
4365                 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4366                         bfa_sm_set_state(ns,
4367                                 bfa_fcs_lport_ns_sm_sending_gid_ft);
4368                         bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4369                 };
4370                 break;
4371
4372         default:
4373                 bfa_sm_fault(ns->port->fcs, event);
4374         }
4375 }
4376
4377
4378
4379 /*
4380  *  ns_pvt Nameserver local functions
4381  */
4382
4383 static void
4384 bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4385 {
4386         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4387         struct bfa_fcs_lport_s *port = ns->port;
4388         struct fchs_s fchs;
4389         int             len;
4390         struct bfa_fcxp_s *fcxp;
4391
4392         bfa_trc(port->fcs, port->pid);
4393
4394         fcxp = fcxp_alloced ? fcxp_alloced :
4395                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4396         if (!fcxp) {
4397                 port->stats.ns_plogi_alloc_wait++;
4398                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4399                                 bfa_fcs_lport_ns_send_plogi, ns, BFA_TRUE);
4400                 return;
4401         }
4402         ns->fcxp = fcxp;
4403
4404         len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4405                              bfa_hton3b(FC_NAME_SERVER),
4406                              bfa_fcs_lport_get_fcid(port), 0,
4407                              port->port_cfg.pwwn, port->port_cfg.nwwn,
4408                              bfa_fcport_get_maxfrsize(port->fcs->bfa),
4409                              bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
4410
4411         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4412                           FC_CLASS_3, len, &fchs,
4413                           bfa_fcs_lport_ns_plogi_response, (void *)ns,
4414                           FC_MAX_PDUSZ, FC_ELS_TOV);
4415         port->stats.ns_plogi_sent++;
4416
4417         bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
4418 }
4419
4420 static void
4421 bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4422                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
4423                        u32 resid_len, struct fchs_s *rsp_fchs)
4424 {
4425         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4426         struct bfa_fcs_lport_s *port = ns->port;
4427         /* struct fc_logi_s *plogi_resp; */
4428         struct fc_els_cmd_s *els_cmd;
4429         struct fc_ls_rjt_s *ls_rjt;
4430
4431         bfa_trc(port->fcs, req_status);
4432         bfa_trc(port->fcs, port->port_cfg.pwwn);
4433
4434         /*
4435          * Sanity Checks
4436          */
4437         if (req_status != BFA_STATUS_OK) {
4438                 bfa_trc(port->fcs, req_status);
4439                 port->stats.ns_plogi_rsp_err++;
4440                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4441                 return;
4442         }
4443
4444         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
4445
4446         switch (els_cmd->els_code) {
4447
4448         case FC_ELS_ACC:
4449                 if (rsp_len < sizeof(struct fc_logi_s)) {
4450                         bfa_trc(port->fcs, rsp_len);
4451                         port->stats.ns_plogi_acc_err++;
4452                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4453                         break;
4454                 }
4455                 port->stats.ns_plogi_accepts++;
4456                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4457                 break;
4458
4459         case FC_ELS_LS_RJT:
4460                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
4461
4462                 bfa_trc(port->fcs, ls_rjt->reason_code);
4463                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
4464
4465                 port->stats.ns_rejects++;
4466
4467                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4468                 break;
4469
4470         default:
4471                 port->stats.ns_plogi_unknown_rsp++;
4472                 bfa_trc(port->fcs, els_cmd->els_code);
4473                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4474         }
4475 }
4476
4477 /*
4478  * Register node name for port_id
4479  */
4480 static void
4481 bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4482 {
4483         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4484         struct bfa_fcs_lport_s *port = ns->port;
4485         struct fchs_s  fchs;
4486         int     len;
4487         struct bfa_fcxp_s *fcxp;
4488
4489         bfa_trc(port->fcs, port->port_cfg.pwwn);
4490
4491         fcxp = fcxp_alloced ? fcxp_alloced :
4492                         bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4493         if (!fcxp) {
4494                 port->stats.ns_rnnid_alloc_wait++;
4495                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4496                                 bfa_fcs_lport_ns_send_rnn_id, ns, BFA_TRUE);
4497                 return;
4498         }
4499
4500         ns->fcxp = fcxp;
4501
4502         len = fc_rnnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4503                                 bfa_fcs_lport_get_fcid(port),
4504                                 bfa_fcs_lport_get_fcid(port),
4505                                 bfa_fcs_lport_get_nwwn(port));
4506
4507         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4508                           FC_CLASS_3, len, &fchs,
4509                           bfa_fcs_lport_ns_rnn_id_response, (void *)ns,
4510                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4511
4512         port->stats.ns_rnnid_sent++;
4513         bfa_sm_send_event(ns, NSSM_EVENT_RNNID_SENT);
4514 }
4515
4516 static void
4517 bfa_fcs_lport_ns_rnn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4518                                 void *cbarg, bfa_status_t req_status,
4519                                 u32 rsp_len, u32 resid_len,
4520                                 struct fchs_s *rsp_fchs)
4521
4522 {
4523         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4524         struct bfa_fcs_lport_s *port = ns->port;
4525         struct ct_hdr_s *cthdr = NULL;
4526
4527         bfa_trc(port->fcs, port->port_cfg.pwwn);
4528
4529         /*
4530          * Sanity Checks
4531          */
4532         if (req_status != BFA_STATUS_OK) {
4533                 bfa_trc(port->fcs, req_status);
4534                 port->stats.ns_rnnid_rsp_err++;
4535                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4536                 return;
4537         }
4538
4539         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4540         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4541
4542         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4543                 port->stats.ns_rnnid_accepts++;
4544                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4545                 return;
4546         }
4547
4548         port->stats.ns_rnnid_rejects++;
4549         bfa_trc(port->fcs, cthdr->reason_code);
4550         bfa_trc(port->fcs, cthdr->exp_code);
4551         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4552 }
4553
4554 /*
4555  * Register the symbolic node name for a given node name.
4556  */
4557 static void
4558 bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4559 {
4560         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4561         struct bfa_fcs_lport_s *port = ns->port;
4562         struct fchs_s  fchs;
4563         int     len;
4564         struct bfa_fcxp_s *fcxp;
4565         u8 *nsymbl;
4566
4567         bfa_trc(port->fcs, port->port_cfg.pwwn);
4568
4569         fcxp = fcxp_alloced ? fcxp_alloced :
4570                         bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4571         if (!fcxp) {
4572                 port->stats.ns_rsnn_nn_alloc_wait++;
4573                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4574                                 bfa_fcs_lport_ns_send_rsnn_nn, ns, BFA_TRUE);
4575                 return;
4576         }
4577         ns->fcxp = fcxp;
4578
4579         nsymbl = (u8 *) &(bfa_fcs_lport_get_nsym_name(
4580                                         bfa_fcs_get_base_port(port->fcs)));
4581
4582         len = fc_rsnn_nn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4583                                 bfa_fcs_lport_get_fcid(port),
4584                                 bfa_fcs_lport_get_nwwn(port), nsymbl);
4585
4586         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4587                           FC_CLASS_3, len, &fchs,
4588                           bfa_fcs_lport_ns_rsnn_nn_response, (void *)ns,
4589                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4590
4591         port->stats.ns_rsnn_nn_sent++;
4592
4593         bfa_sm_send_event(ns, NSSM_EVENT_RSNN_NN_SENT);
4594 }
4595
4596 static void
4597 bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4598                                 void *cbarg, bfa_status_t req_status,
4599                                 u32 rsp_len, u32 resid_len,
4600                                 struct fchs_s *rsp_fchs)
4601 {
4602         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4603         struct bfa_fcs_lport_s *port = ns->port;
4604         struct ct_hdr_s *cthdr = NULL;
4605
4606         bfa_trc(port->fcs, port->port_cfg.pwwn);
4607
4608         /*
4609          * Sanity Checks
4610          */
4611         if (req_status != BFA_STATUS_OK) {
4612                 bfa_trc(port->fcs, req_status);
4613                 port->stats.ns_rsnn_nn_rsp_err++;
4614                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4615                 return;
4616         }
4617
4618         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4619         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4620
4621         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4622                 port->stats.ns_rsnn_nn_accepts++;
4623                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4624                 return;
4625         }
4626
4627         port->stats.ns_rsnn_nn_rejects++;
4628         bfa_trc(port->fcs, cthdr->reason_code);
4629         bfa_trc(port->fcs, cthdr->exp_code);
4630         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4631 }
4632
4633 /*
4634  * Register the symbolic port name.
4635  */
4636 static void
4637 bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4638 {
4639         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4640         struct bfa_fcs_lport_s *port = ns->port;
4641         struct fchs_s fchs;
4642         int             len;
4643         struct bfa_fcxp_s *fcxp;
4644         u8         symbl[256];
4645         u8         *psymbl = &symbl[0];
4646
4647         memset(symbl, 0, sizeof(symbl));
4648
4649         bfa_trc(port->fcs, port->port_cfg.pwwn);
4650
4651         fcxp = fcxp_alloced ? fcxp_alloced :
4652                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4653         if (!fcxp) {
4654                 port->stats.ns_rspnid_alloc_wait++;
4655                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4656                                 bfa_fcs_lport_ns_send_rspn_id, ns, BFA_TRUE);
4657                 return;
4658         }
4659         ns->fcxp = fcxp;
4660
4661         /*
4662          * for V-Port, form a Port Symbolic Name
4663          */
4664         if (port->vport) {
4665                 /*
4666                  * For Vports, we append the vport's port symbolic name
4667                  * to that of the base port.
4668                  */
4669
4670                 strlcpy(symbl,
4671                         (char *)&(bfa_fcs_lport_get_psym_name
4672                          (bfa_fcs_get_base_port(port->fcs))),
4673                         sizeof(symbl));
4674
4675                 strlcat(symbl, (char *)&(bfa_fcs_lport_get_psym_name(port)),
4676                         sizeof(symbl));
4677         } else {
4678                 psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
4679         }
4680
4681         len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4682                               bfa_fcs_lport_get_fcid(port), 0, psymbl);
4683
4684         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4685                           FC_CLASS_3, len, &fchs,
4686                           bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
4687                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4688
4689         port->stats.ns_rspnid_sent++;
4690
4691         bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
4692 }
4693
4694 static void
4695 bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4696                                  void *cbarg, bfa_status_t req_status,
4697                                  u32 rsp_len, u32 resid_len,
4698                                  struct fchs_s *rsp_fchs)
4699 {
4700         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4701         struct bfa_fcs_lport_s *port = ns->port;
4702         struct ct_hdr_s *cthdr = NULL;
4703
4704         bfa_trc(port->fcs, port->port_cfg.pwwn);
4705
4706         /*
4707          * Sanity Checks
4708          */
4709         if (req_status != BFA_STATUS_OK) {
4710                 bfa_trc(port->fcs, req_status);
4711                 port->stats.ns_rspnid_rsp_err++;
4712                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4713                 return;
4714         }
4715
4716         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4717         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4718
4719         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4720                 port->stats.ns_rspnid_accepts++;
4721                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4722                 return;
4723         }
4724
4725         port->stats.ns_rspnid_rejects++;
4726         bfa_trc(port->fcs, cthdr->reason_code);
4727         bfa_trc(port->fcs, cthdr->exp_code);
4728         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4729 }
4730
4731 /*
4732  * Register FC4-Types
4733  */
4734 static void
4735 bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4736 {
4737         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4738         struct bfa_fcs_lport_s *port = ns->port;
4739         struct fchs_s fchs;
4740         int             len;
4741         struct bfa_fcxp_s *fcxp;
4742
4743         bfa_trc(port->fcs, port->port_cfg.pwwn);
4744
4745         fcxp = fcxp_alloced ? fcxp_alloced :
4746                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4747         if (!fcxp) {
4748                 port->stats.ns_rftid_alloc_wait++;
4749                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4750                                 bfa_fcs_lport_ns_send_rft_id, ns, BFA_TRUE);
4751                 return;
4752         }
4753         ns->fcxp = fcxp;
4754
4755         len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4756                      bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
4757
4758         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4759                           FC_CLASS_3, len, &fchs,
4760                           bfa_fcs_lport_ns_rft_id_response, (void *)ns,
4761                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4762
4763         port->stats.ns_rftid_sent++;
4764         bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
4765 }
4766
4767 static void
4768 bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4769                                 void *cbarg, bfa_status_t req_status,
4770                                 u32 rsp_len, u32 resid_len,
4771                                 struct fchs_s *rsp_fchs)
4772 {
4773         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4774         struct bfa_fcs_lport_s *port = ns->port;
4775         struct ct_hdr_s *cthdr = NULL;
4776
4777         bfa_trc(port->fcs, port->port_cfg.pwwn);
4778
4779         /*
4780          * Sanity Checks
4781          */
4782         if (req_status != BFA_STATUS_OK) {
4783                 bfa_trc(port->fcs, req_status);
4784                 port->stats.ns_rftid_rsp_err++;
4785                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4786                 return;
4787         }
4788
4789         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4790         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4791
4792         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4793                 port->stats.ns_rftid_accepts++;
4794                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4795                 return;
4796         }
4797
4798         port->stats.ns_rftid_rejects++;
4799         bfa_trc(port->fcs, cthdr->reason_code);
4800         bfa_trc(port->fcs, cthdr->exp_code);
4801         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4802 }
4803
4804 /*
4805  * Register FC4-Features : Should be done after RFT_ID
4806  */
4807 static void
4808 bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4809 {
4810         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4811         struct bfa_fcs_lport_s *port = ns->port;
4812         struct fchs_s fchs;
4813         int             len;
4814         struct bfa_fcxp_s *fcxp;
4815         u8                      fc4_ftrs = 0;
4816
4817         bfa_trc(port->fcs, port->port_cfg.pwwn);
4818
4819         fcxp = fcxp_alloced ? fcxp_alloced :
4820                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4821         if (!fcxp) {
4822                 port->stats.ns_rffid_alloc_wait++;
4823                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4824                                 bfa_fcs_lport_ns_send_rff_id, ns, BFA_TRUE);
4825                 return;
4826         }
4827         ns->fcxp = fcxp;
4828
4829         if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
4830                 fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
4831
4832         len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4833                              bfa_fcs_lport_get_fcid(port), 0,
4834                                  FC_TYPE_FCP, fc4_ftrs);
4835
4836         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4837                           FC_CLASS_3, len, &fchs,
4838                           bfa_fcs_lport_ns_rff_id_response, (void *)ns,
4839                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4840
4841         port->stats.ns_rffid_sent++;
4842         bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
4843 }
4844
4845 static void
4846 bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4847                                 void *cbarg, bfa_status_t req_status,
4848                                 u32 rsp_len, u32 resid_len,
4849                                 struct fchs_s *rsp_fchs)
4850 {
4851         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4852         struct bfa_fcs_lport_s *port = ns->port;
4853         struct ct_hdr_s *cthdr = NULL;
4854
4855         bfa_trc(port->fcs, port->port_cfg.pwwn);
4856
4857         /*
4858          * Sanity Checks
4859          */
4860         if (req_status != BFA_STATUS_OK) {
4861                 bfa_trc(port->fcs, req_status);
4862                 port->stats.ns_rffid_rsp_err++;
4863                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4864                 return;
4865         }
4866
4867         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4868         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4869
4870         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4871                 port->stats.ns_rffid_accepts++;
4872                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4873                 return;
4874         }
4875
4876         port->stats.ns_rffid_rejects++;
4877         bfa_trc(port->fcs, cthdr->reason_code);
4878         bfa_trc(port->fcs, cthdr->exp_code);
4879
4880         if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
4881                 /* if this command is not supported, we don't retry */
4882                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4883         } else
4884                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4885 }
4886 /*
4887  * Query Fabric for FC4-Types Devices.
4888  *
4889 * TBD : Need to use a local (FCS private) response buffer, since the response
4890  * can be larger than 2K.
4891  */
4892 static void
4893 bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4894 {
4895         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4896         struct bfa_fcs_lport_s *port = ns->port;
4897         struct fchs_s fchs;
4898         int             len;
4899         struct bfa_fcxp_s *fcxp;
4900
4901         bfa_trc(port->fcs, port->pid);
4902
4903         fcxp = fcxp_alloced ? fcxp_alloced :
4904                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4905         if (!fcxp) {
4906                 port->stats.ns_gidft_alloc_wait++;
4907                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4908                                 bfa_fcs_lport_ns_send_gid_ft, ns, BFA_TRUE);
4909                 return;
4910         }
4911         ns->fcxp = fcxp;
4912
4913         /*
4914          * This query is only initiated for FCP initiator mode.
4915          */
4916         len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4917                               ns->port->pid, FC_TYPE_FCP);
4918
4919         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4920                           FC_CLASS_3, len, &fchs,
4921                           bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
4922                           bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
4923
4924         port->stats.ns_gidft_sent++;
4925
4926         bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
4927 }
4928
4929 static void
4930 bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4931                                 void *cbarg, bfa_status_t req_status,
4932                                 u32 rsp_len, u32 resid_len,
4933                                 struct fchs_s *rsp_fchs)
4934 {
4935         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4936         struct bfa_fcs_lport_s *port = ns->port;
4937         struct ct_hdr_s *cthdr = NULL;
4938         u32        n_pids;
4939
4940         bfa_trc(port->fcs, port->port_cfg.pwwn);
4941
4942         /*
4943          * Sanity Checks
4944          */
4945         if (req_status != BFA_STATUS_OK) {
4946                 bfa_trc(port->fcs, req_status);
4947                 port->stats.ns_gidft_rsp_err++;
4948                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4949                 return;
4950         }
4951
4952         if (resid_len != 0) {
4953                 /*
4954                  * TBD : we will need to allocate a larger buffer & retry the
4955                  * command
4956                  */
4957                 bfa_trc(port->fcs, rsp_len);
4958                 bfa_trc(port->fcs, resid_len);
4959                 return;
4960         }
4961
4962         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4963         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4964
4965         switch (cthdr->cmd_rsp_code) {
4966
4967         case CT_RSP_ACCEPT:
4968
4969                 port->stats.ns_gidft_accepts++;
4970                 n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
4971                 bfa_trc(port->fcs, n_pids);
4972                 bfa_fcs_lport_ns_process_gidft_pids(port,
4973                                                    (u32 *) (cthdr + 1),
4974                                                    n_pids);
4975                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4976                 break;
4977
4978         case CT_RSP_REJECT:
4979
4980                 /*
4981                  * Check the reason code  & explanation.
4982                  * There may not have been any FC4 devices in the fabric
4983                  */
4984                 port->stats.ns_gidft_rejects++;
4985                 bfa_trc(port->fcs, cthdr->reason_code);
4986                 bfa_trc(port->fcs, cthdr->exp_code);
4987
4988                 if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
4989                     && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
4990
4991                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4992                 } else {
4993                         /*
4994                          * for all other errors, retry
4995                          */
4996                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4997                 }
4998                 break;
4999
5000         default:
5001                 port->stats.ns_gidft_unknown_rsp++;
5002                 bfa_trc(port->fcs, cthdr->cmd_rsp_code);
5003                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
5004         }
5005 }
5006
5007 /*
5008  *     This routine will be called by bfa_timer on timer timeouts.
5009  *
5010  *      param[in]       port - pointer to bfa_fcs_lport_t.
5011  *
5012  *      return
5013  *              void
5014  *
5015  *      Special Considerations:
5016  *
5017  *      note
5018  */
5019 static void
5020 bfa_fcs_lport_ns_timeout(void *arg)
5021 {
5022         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
5023
5024         ns->port->stats.ns_timeouts++;
5025         bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
5026 }
5027
5028 /*
5029  * Process the PID list in GID_FT response
5030  */
5031 static void
5032 bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
5033                                    u32 n_pids)
5034 {
5035         struct fcgs_gidft_resp_s *gidft_entry;
5036         struct bfa_fcs_rport_s *rport;
5037         u32        ii;
5038         struct bfa_fcs_fabric_s *fabric = port->fabric;
5039         struct bfa_fcs_vport_s *vport;
5040         struct list_head *qe;
5041         u8 found = 0;
5042
5043         for (ii = 0; ii < n_pids; ii++) {
5044                 gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
5045
5046                 if (gidft_entry->pid == port->pid)
5047                         continue;
5048
5049                 /*
5050                  * Ignore PID if it is of base port
5051                  * (Avoid vports discovering base port as remote port)
5052                  */
5053                 if (gidft_entry->pid == fabric->bport.pid)
5054                         continue;
5055
5056                 /*
5057                  * Ignore PID if it is of vport created on the same base port
5058                  * (Avoid vport discovering every other vport created on the
5059                  * same port as remote port)
5060                  */
5061                 list_for_each(qe, &fabric->vport_q) {
5062                         vport = (struct bfa_fcs_vport_s *) qe;
5063                         if (vport->lport.pid == gidft_entry->pid)
5064                                 found = 1;
5065                 }
5066
5067                 if (found) {
5068                         found = 0;
5069                         continue;
5070                 }
5071
5072                 /*
5073                  * Check if this rport already exists
5074                  */
5075                 rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
5076                 if (rport == NULL) {
5077                         /*
5078                          * this is a new device. create rport
5079                          */
5080                         rport = bfa_fcs_rport_create(port, gidft_entry->pid);
5081                 } else {
5082                         /*
5083                          * this rport already exists
5084                          */
5085                         bfa_fcs_rport_scn(rport);
5086                 }
5087
5088                 bfa_trc(port->fcs, gidft_entry->pid);
5089
5090                 /*
5091                  * if the last entry bit is set, bail out.
5092                  */
5093                 if (gidft_entry->last)
5094                         return;
5095         }
5096 }
5097
5098 /*
5099  *  fcs_ns_public FCS nameserver public interfaces
5100  */
5101
5102 /*
5103  * Functions called by port/fab.
5104  * These will send relevant Events to the ns state machine.
5105  */
5106 void
5107 bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
5108 {
5109         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5110
5111         ns->port = port;
5112         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
5113 }
5114
5115 void
5116 bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
5117 {
5118         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5119
5120         ns->port = port;
5121         bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
5122 }
5123
5124 void
5125 bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
5126 {
5127         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5128
5129         ns->port = port;
5130         bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
5131 }
5132
5133 void
5134 bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
5135 {
5136         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5137
5138         bfa_trc(port->fcs, port->pid);
5139         if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_online))
5140                 bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
5141 }
5142
5143 static void
5144 bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
5145 {
5146
5147         struct bfa_fcs_rport_s *rport;
5148         u8 nwwns;
5149         wwn_t  wwns[BFA_PREBOOT_BOOTLUN_MAX];
5150         int ii;
5151
5152         bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
5153
5154         for (ii = 0 ; ii < nwwns; ++ii) {
5155                 rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
5156                 WARN_ON(!rport);
5157         }
5158 }
5159
5160 void
5161 bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
5162 {
5163         struct bfa_fcs_lport_ns_s *ns = cbarg;
5164         struct bfa_fcs_lport_s *port = ns->port;
5165         struct fchs_s fchs;
5166         struct bfa_fcxp_s *fcxp;
5167         u8 symbl[256];
5168         int len;
5169
5170         /* Avoid sending RSPN in the following states. */
5171         if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) ||
5172             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) ||
5173             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi) ||
5174             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_retry) ||
5175             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry))
5176                 return;
5177
5178         memset(symbl, 0, sizeof(symbl));
5179         bfa_trc(port->fcs, port->port_cfg.pwwn);
5180
5181         fcxp = fcxp_alloced ? fcxp_alloced :
5182                bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5183         if (!fcxp) {
5184                 port->stats.ns_rspnid_alloc_wait++;
5185                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
5186                         bfa_fcs_lport_ns_util_send_rspn_id, ns, BFA_FALSE);
5187                 return;
5188         }
5189
5190         ns->fcxp = fcxp;
5191
5192         if (port->vport) {
5193                 /*
5194                  * For Vports, we append the vport's port symbolic name
5195                  * to that of the base port.
5196                  */
5197                 strlcpy(symbl, (char *)&(bfa_fcs_lport_get_psym_name
5198                         (bfa_fcs_get_base_port(port->fcs))),
5199                         sizeof(symbl));
5200
5201                 strlcat(symbl,
5202                         (char *)&(bfa_fcs_lport_get_psym_name(port)),
5203                         sizeof(symbl));
5204         }
5205
5206         len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5207                               bfa_fcs_lport_get_fcid(port), 0, symbl);
5208
5209         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5210                       FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
5211
5212         port->stats.ns_rspnid_sent++;
5213 }
5214
5215 /*
5216  * FCS SCN
5217  */
5218
5219 #define FC_QOS_RSCN_EVENT               0x0c
5220 #define FC_FABRIC_NAME_RSCN_EVENT       0x0d
5221
5222 /*
5223  * forward declarations
5224  */
5225 static void     bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
5226                                           struct bfa_fcxp_s *fcxp_alloced);
5227 static void     bfa_fcs_lport_scn_scr_response(void *fcsarg,
5228                                               struct bfa_fcxp_s *fcxp,
5229                                               void *cbarg,
5230                                               bfa_status_t req_status,
5231                                               u32 rsp_len,
5232                                               u32 resid_len,
5233                                               struct fchs_s *rsp_fchs);
5234 static void     bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5235                                              struct fchs_s *rx_fchs);
5236 static void     bfa_fcs_lport_scn_timeout(void *arg);
5237
5238 /*
5239  *  fcs_scm_sm FCS SCN state machine
5240  */
5241
5242 /*
5243  * VPort SCN State Machine events
5244  */
5245 enum port_scn_event {
5246         SCNSM_EVENT_PORT_ONLINE = 1,
5247         SCNSM_EVENT_PORT_OFFLINE = 2,
5248         SCNSM_EVENT_RSP_OK = 3,
5249         SCNSM_EVENT_RSP_ERROR = 4,
5250         SCNSM_EVENT_TIMEOUT = 5,
5251         SCNSM_EVENT_SCR_SENT = 6,
5252 };
5253
5254 static void     bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5255                                             enum port_scn_event event);
5256 static void     bfa_fcs_lport_scn_sm_sending_scr(
5257                                         struct bfa_fcs_lport_scn_s *scn,
5258                                         enum port_scn_event event);
5259 static void     bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5260                                         enum port_scn_event event);
5261 static void     bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5262                                               enum port_scn_event event);
5263 static void     bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5264                                            enum port_scn_event event);
5265
5266 /*
5267  *      Starting state - awaiting link up.
5268  */
5269 static void
5270 bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5271                         enum port_scn_event event)
5272 {
5273         switch (event) {
5274         case SCNSM_EVENT_PORT_ONLINE:
5275                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5276                 bfa_fcs_lport_scn_send_scr(scn, NULL);
5277                 break;
5278
5279         case SCNSM_EVENT_PORT_OFFLINE:
5280                 break;
5281
5282         default:
5283                 bfa_sm_fault(scn->port->fcs, event);
5284         }
5285 }
5286
5287 static void
5288 bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
5289                                 enum port_scn_event event)
5290 {
5291         switch (event) {
5292         case SCNSM_EVENT_SCR_SENT:
5293                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
5294                 break;
5295
5296         case SCNSM_EVENT_PORT_OFFLINE:
5297                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5298                 bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
5299                 break;
5300
5301         default:
5302                 bfa_sm_fault(scn->port->fcs, event);
5303         }
5304 }
5305
5306 static void
5307 bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5308                         enum port_scn_event event)
5309 {
5310         struct bfa_fcs_lport_s *port = scn->port;
5311
5312         switch (event) {
5313         case SCNSM_EVENT_RSP_OK:
5314                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
5315                 break;
5316
5317         case SCNSM_EVENT_RSP_ERROR:
5318                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
5319                 bfa_timer_start(port->fcs->bfa, &scn->timer,
5320                                     bfa_fcs_lport_scn_timeout, scn,
5321                                     BFA_FCS_RETRY_TIMEOUT);
5322                 break;
5323
5324         case SCNSM_EVENT_PORT_OFFLINE:
5325                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5326                 bfa_fcxp_discard(scn->fcxp);
5327                 break;
5328
5329         default:
5330                 bfa_sm_fault(port->fcs, event);
5331         }
5332 }
5333
5334 static void
5335 bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5336                                 enum port_scn_event event)
5337 {
5338         switch (event) {
5339         case SCNSM_EVENT_TIMEOUT:
5340                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5341                 bfa_fcs_lport_scn_send_scr(scn, NULL);
5342                 break;
5343
5344         case SCNSM_EVENT_PORT_OFFLINE:
5345                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5346                 bfa_timer_stop(&scn->timer);
5347                 break;
5348
5349         default:
5350                 bfa_sm_fault(scn->port->fcs, event);
5351         }
5352 }
5353
5354 static void
5355 bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5356                         enum port_scn_event event)
5357 {
5358         switch (event) {
5359         case SCNSM_EVENT_PORT_OFFLINE:
5360                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5361                 break;
5362
5363         default:
5364                 bfa_sm_fault(scn->port->fcs, event);
5365         }
5366 }
5367
5368
5369
5370 /*
5371  *  fcs_scn_private FCS SCN private functions
5372  */
5373
5374 /*
5375  * This routine will be called to send a SCR command.
5376  */
5377 static void
5378 bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
5379 {
5380         struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
5381         struct bfa_fcs_lport_s *port = scn->port;
5382         struct fchs_s fchs;
5383         int             len;
5384         struct bfa_fcxp_s *fcxp;
5385
5386         bfa_trc(port->fcs, port->pid);
5387         bfa_trc(port->fcs, port->port_cfg.pwwn);
5388
5389         fcxp = fcxp_alloced ? fcxp_alloced :
5390                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
5391         if (!fcxp) {
5392                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
5393                                 bfa_fcs_lport_scn_send_scr, scn, BFA_TRUE);
5394                 return;
5395         }
5396         scn->fcxp = fcxp;
5397
5398         /* Handle VU registrations for Base port only */
5399         if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
5400                 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5401                                 port->fabric->lps->brcd_switch,
5402                                 port->pid, 0);
5403         } else {
5404             len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5405                                     BFA_FALSE,
5406                                     port->pid, 0);
5407         }
5408
5409         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5410                           FC_CLASS_3, len, &fchs,
5411                           bfa_fcs_lport_scn_scr_response,
5412                           (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
5413
5414         bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
5415 }
5416
5417 static void
5418 bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
5419                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
5420                               u32 resid_len, struct fchs_s *rsp_fchs)
5421 {
5422         struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
5423         struct bfa_fcs_lport_s *port = scn->port;
5424         struct fc_els_cmd_s *els_cmd;
5425         struct fc_ls_rjt_s *ls_rjt;
5426
5427         bfa_trc(port->fcs, port->port_cfg.pwwn);
5428
5429         /*
5430          * Sanity Checks
5431          */
5432         if (req_status != BFA_STATUS_OK) {
5433                 bfa_trc(port->fcs, req_status);
5434                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5435                 return;
5436         }
5437
5438         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
5439
5440         switch (els_cmd->els_code) {
5441
5442         case FC_ELS_ACC:
5443                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
5444                 break;
5445
5446         case FC_ELS_LS_RJT:
5447
5448                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
5449
5450                 bfa_trc(port->fcs, ls_rjt->reason_code);
5451                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
5452
5453                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5454                 break;
5455
5456         default:
5457                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5458         }
5459 }
5460
5461 /*
5462  * Send a LS Accept
5463  */
5464 static void
5465 bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5466                                 struct fchs_s *rx_fchs)
5467 {
5468         struct fchs_s fchs;
5469         struct bfa_fcxp_s *fcxp;
5470         struct bfa_rport_s *bfa_rport = NULL;
5471         int             len;
5472
5473         bfa_trc(port->fcs, rx_fchs->s_id);
5474
5475         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5476         if (!fcxp)
5477                 return;
5478
5479         len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5480                               rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
5481                               rx_fchs->ox_id);
5482
5483         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
5484                           BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
5485                           FC_MAX_PDUSZ, 0);
5486 }
5487
5488 /*
5489  *     This routine will be called by bfa_timer on timer timeouts.
5490  *
5491  *      param[in]       vport           - pointer to bfa_fcs_lport_t.
5492  *      param[out]      vport_status    - pointer to return vport status in
5493  *
5494  *      return
5495  *              void
5496  *
5497  *      Special Considerations:
5498  *
5499  *      note
5500  */
5501 static void
5502 bfa_fcs_lport_scn_timeout(void *arg)
5503 {
5504         struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
5505
5506         bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
5507 }
5508
5509
5510
5511 /*
5512  *  fcs_scn_public FCS state change notification public interfaces
5513  */
5514
5515 /*
5516  * Functions called by port/fab
5517  */
5518 void
5519 bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
5520 {
5521         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5522
5523         scn->port = port;
5524         bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5525 }
5526
5527 void
5528 bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
5529 {
5530         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5531
5532         scn->port = port;
5533         bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
5534 }
5535
5536 void
5537 bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *port)
5538 {
5539         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5540
5541         scn->port = port;
5542         bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
5543 }
5544
5545 static void
5546 bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
5547 {
5548         struct bfa_fcs_rport_s *rport;
5549         struct bfa_fcs_fabric_s *fabric = port->fabric;
5550         struct bfa_fcs_vport_s *vport;
5551         struct list_head *qe;
5552
5553         bfa_trc(port->fcs, rpid);
5554
5555         /*
5556          * Ignore PID if it is of base port or of vports created on the
5557          * same base port. It is to avoid vports discovering base port or
5558          * other vports created on same base port as remote port
5559          */
5560         if (rpid == fabric->bport.pid)
5561                 return;
5562
5563         list_for_each(qe, &fabric->vport_q) {
5564                 vport = (struct bfa_fcs_vport_s *) qe;
5565                 if (vport->lport.pid == rpid)
5566                         return;
5567         }
5568         /*
5569          * If this is an unknown device, then it just came online.
5570          * Otherwise let rport handle the RSCN event.
5571          */
5572         rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
5573         if (!rport)
5574                 rport = bfa_fcs_lport_get_rport_by_old_pid(port, rpid);
5575
5576         if (rport == NULL) {
5577                 /*
5578                  * If min cfg mode is enabled, we donot need to
5579                  * discover any new rports.
5580                  */
5581                 if (!__fcs_min_cfg(port->fcs))
5582                         rport = bfa_fcs_rport_create(port, rpid);
5583         } else
5584                 bfa_fcs_rport_scn(rport);
5585 }
5586
5587 /*
5588  * rscn format based PID comparison
5589  */
5590 #define __fc_pid_match(__c0, __c1, __fmt)               \
5591         (((__fmt) == FC_RSCN_FORMAT_FABRIC) ||          \
5592          (((__fmt) == FC_RSCN_FORMAT_DOMAIN) &&         \
5593           ((__c0)[0] == (__c1)[0])) ||                          \
5594          (((__fmt) == FC_RSCN_FORMAT_AREA) &&           \
5595           ((__c0)[0] == (__c1)[0]) &&                           \
5596           ((__c0)[1] == (__c1)[1])))
5597
5598 static void
5599 bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
5600                                 enum fc_rscn_format format,
5601                                 u32 rscn_pid)
5602 {
5603         struct bfa_fcs_rport_s *rport;
5604         struct list_head        *qe, *qe_next;
5605         u8        *c0, *c1;
5606
5607         bfa_trc(port->fcs, format);
5608         bfa_trc(port->fcs, rscn_pid);
5609
5610         c0 = (u8 *) &rscn_pid;
5611
5612         list_for_each_safe(qe, qe_next, &port->rport_q) {
5613                 rport = (struct bfa_fcs_rport_s *) qe;
5614                 c1 = (u8 *) &rport->pid;
5615                 if (__fc_pid_match(c0, c1, format))
5616                         bfa_fcs_rport_scn(rport);
5617         }
5618 }
5619
5620
5621 void
5622 bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
5623                         struct fchs_s *fchs, u32 len)
5624 {
5625         struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
5626         int             num_entries;
5627         u32        rscn_pid;
5628         bfa_boolean_t   nsquery = BFA_FALSE, found;
5629         int             i = 0, j;
5630
5631         num_entries =
5632                 (be16_to_cpu(rscn->payldlen) -
5633                  sizeof(u32)) / sizeof(rscn->event[0]);
5634
5635         bfa_trc(port->fcs, num_entries);
5636
5637         port->stats.num_rscn++;
5638
5639         bfa_fcs_lport_scn_send_ls_acc(port, fchs);
5640
5641         for (i = 0; i < num_entries; i++) {
5642                 rscn_pid = rscn->event[i].portid;
5643
5644                 bfa_trc(port->fcs, rscn->event[i].format);
5645                 bfa_trc(port->fcs, rscn_pid);
5646
5647                 /* check for duplicate entries in the list */
5648                 found = BFA_FALSE;
5649                 for (j = 0; j < i; j++) {
5650                         if (rscn->event[j].portid == rscn_pid) {
5651                                 found = BFA_TRUE;
5652                                 break;
5653                         }
5654                 }
5655
5656                 /* if found in down the list, pid has been already processed */
5657                 if (found) {
5658                         bfa_trc(port->fcs, rscn_pid);
5659                         continue;
5660                 }
5661
5662                 switch (rscn->event[i].format) {
5663                 case FC_RSCN_FORMAT_PORTID:
5664                         if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
5665                                 /*
5666                                  * Ignore this event.
5667                                  * f/w would have processed it
5668                                  */
5669                                 bfa_trc(port->fcs, rscn_pid);
5670                         } else {
5671                                 port->stats.num_portid_rscn++;
5672                                 bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
5673                         }
5674                 break;
5675
5676                 case FC_RSCN_FORMAT_FABRIC:
5677                         if (rscn->event[i].qualifier ==
5678                                         FC_FABRIC_NAME_RSCN_EVENT) {
5679                                 bfa_fcs_lport_ms_fabric_rscn(port);
5680                                 break;
5681                         }
5682                         /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */
5683
5684                 case FC_RSCN_FORMAT_AREA:
5685                 case FC_RSCN_FORMAT_DOMAIN:
5686                         nsquery = BFA_TRUE;
5687                         bfa_fcs_lport_scn_multiport_rscn(port,
5688                                                         rscn->event[i].format,
5689                                                         rscn_pid);
5690                         break;
5691
5692
5693                 default:
5694                         WARN_ON(1);
5695                         nsquery = BFA_TRUE;
5696                 }
5697         }
5698
5699         /*
5700          * If any of area, domain or fabric RSCN is received, do a fresh
5701          * discovery to find new devices.
5702          */
5703         if (nsquery)
5704                 bfa_fcs_lport_ns_query(port);
5705 }
5706
5707 /*
5708  * BFA FCS port
5709  */
5710 /*
5711  *  fcs_port_api BFA FCS port API
5712  */
5713 struct bfa_fcs_lport_s *
5714 bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
5715 {
5716         return &fcs->fabric.bport;
5717 }
5718
5719 wwn_t
5720 bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
5721                 int nrports, bfa_boolean_t bwwn)
5722 {
5723         struct list_head        *qh, *qe;
5724         struct bfa_fcs_rport_s *rport = NULL;
5725         int     i;
5726         struct bfa_fcs_s        *fcs;
5727
5728         if (port == NULL || nrports == 0)
5729                 return (wwn_t) 0;
5730
5731         fcs = port->fcs;
5732         bfa_trc(fcs, (u32) nrports);
5733
5734         i = 0;
5735         qh = &port->rport_q;
5736         qe = bfa_q_first(qh);
5737
5738         while ((qe != qh) && (i < nrports)) {
5739                 rport = (struct bfa_fcs_rport_s *) qe;
5740                 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5741                         qe = bfa_q_next(qe);
5742                         bfa_trc(fcs, (u32) rport->pwwn);
5743                         bfa_trc(fcs, rport->pid);
5744                         bfa_trc(fcs, i);
5745                         continue;
5746                 }
5747
5748                 if (bwwn) {
5749                         if (!memcmp(&wwn, &rport->pwwn, 8))
5750                                 break;
5751                 } else {
5752                         if (i == index)
5753                                 break;
5754                 }
5755
5756                 i++;
5757                 qe = bfa_q_next(qe);
5758         }
5759
5760         bfa_trc(fcs, i);
5761         if (rport)
5762                 return rport->pwwn;
5763         else
5764                 return (wwn_t) 0;
5765 }
5766
5767 void
5768 bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port,
5769                 struct bfa_rport_qualifier_s rports[], int *nrports)
5770 {
5771         struct list_head        *qh, *qe;
5772         struct bfa_fcs_rport_s *rport = NULL;
5773         int     i;
5774         struct bfa_fcs_s        *fcs;
5775
5776         if (port == NULL || rports == NULL || *nrports == 0)
5777                 return;
5778
5779         fcs = port->fcs;
5780         bfa_trc(fcs, (u32) *nrports);
5781
5782         i = 0;
5783         qh = &port->rport_q;
5784         qe = bfa_q_first(qh);
5785
5786         while ((qe != qh) && (i < *nrports)) {
5787                 rport = (struct bfa_fcs_rport_s *) qe;
5788                 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5789                         qe = bfa_q_next(qe);
5790                         bfa_trc(fcs, (u32) rport->pwwn);
5791                         bfa_trc(fcs, rport->pid);
5792                         bfa_trc(fcs, i);
5793                         continue;
5794                 }
5795
5796                 if (!rport->pwwn && !rport->pid) {
5797                         qe = bfa_q_next(qe);
5798                         continue;
5799                 }
5800
5801                 rports[i].pwwn = rport->pwwn;
5802                 rports[i].pid = rport->pid;
5803
5804                 i++;
5805                 qe = bfa_q_next(qe);
5806         }
5807
5808         bfa_trc(fcs, i);
5809         *nrports = i;
5810 }
5811
5812 /*
5813  * Iterate's through all the rport's in the given port to
5814  * determine the maximum operating speed.
5815  *
5816  * !!!! To be used in TRL Functionality only !!!!
5817  */
5818 bfa_port_speed_t
5819 bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
5820 {
5821         struct list_head *qh, *qe;
5822         struct bfa_fcs_rport_s *rport = NULL;
5823         struct bfa_fcs_s        *fcs;
5824         bfa_port_speed_t max_speed = 0;
5825         struct bfa_port_attr_s port_attr;
5826         bfa_port_speed_t port_speed, rport_speed;
5827         bfa_boolean_t trl_enabled;
5828
5829         if (port == NULL)
5830                 return 0;
5831
5832         fcs = port->fcs;
5833         trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
5834
5835         /* Get Physical port's current speed */
5836         bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
5837         port_speed = port_attr.speed;
5838         bfa_trc(fcs, port_speed);
5839
5840         qh = &port->rport_q;
5841         qe = bfa_q_first(qh);
5842
5843         while (qe != qh) {
5844                 rport = (struct bfa_fcs_rport_s *) qe;
5845                 if ((bfa_ntoh3b(rport->pid) > 0xFFF000) ||
5846                         (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE) ||
5847                         (rport->scsi_function != BFA_RPORT_TARGET)) {
5848                         qe = bfa_q_next(qe);
5849                         continue;
5850                 }
5851
5852                 rport_speed = rport->rpf.rpsc_speed;
5853                 if ((trl_enabled) && (rport_speed ==
5854                         BFA_PORT_SPEED_UNKNOWN)) {
5855                         /* Use default ratelim speed setting */
5856                         rport_speed =
5857                                 bfa_fcport_get_ratelim_speed(port->fcs->bfa);
5858                 }
5859
5860                 if (rport_speed > max_speed)
5861                         max_speed = rport_speed;
5862
5863                 qe = bfa_q_next(qe);
5864         }
5865
5866         if (max_speed > port_speed)
5867                 max_speed = port_speed;
5868
5869         bfa_trc(fcs, max_speed);
5870         return max_speed;
5871 }
5872
5873 struct bfa_fcs_lport_s *
5874 bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
5875 {
5876         struct bfa_fcs_vport_s *vport;
5877         bfa_fcs_vf_t   *vf;
5878
5879         WARN_ON(fcs == NULL);
5880
5881         vf = bfa_fcs_vf_lookup(fcs, vf_id);
5882         if (vf == NULL) {
5883                 bfa_trc(fcs, vf_id);
5884                 return NULL;
5885         }
5886
5887         if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
5888                 return &vf->bport;
5889
5890         vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
5891         if (vport)
5892                 return &vport->lport;
5893
5894         return NULL;
5895 }
5896
5897 /*
5898  *  API corresponding to NPIV_VPORT_GETINFO.
5899  */
5900 void
5901 bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
5902          struct bfa_lport_info_s *port_info)
5903 {
5904
5905         bfa_trc(port->fcs, port->fabric->fabric_name);
5906
5907         if (port->vport == NULL) {
5908                 /*
5909                  * This is a Physical port
5910                  */
5911                 port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
5912
5913                 /*
5914                  * @todo : need to fix the state & reason
5915                  */
5916                 port_info->port_state = 0;
5917                 port_info->offline_reason = 0;
5918
5919                 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5920                 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5921
5922                 port_info->max_vports_supp =
5923                         bfa_lps_get_max_vport(port->fcs->bfa);
5924                 port_info->num_vports_inuse =
5925                         port->fabric->num_vports;
5926                 port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
5927                 port_info->num_rports_inuse = port->num_rports;
5928         } else {
5929                 /*
5930                  * This is a virtual port
5931                  */
5932                 port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
5933
5934                 /*
5935                  * @todo : need to fix the state & reason
5936                  */
5937                 port_info->port_state = 0;
5938                 port_info->offline_reason = 0;
5939
5940                 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5941                 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5942         }
5943 }
5944
5945 void
5946 bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
5947          struct bfa_lport_stats_s *port_stats)
5948 {
5949         *port_stats = fcs_port->stats;
5950 }
5951
5952 void
5953 bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
5954 {
5955         memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
5956 }
5957
5958 /*
5959  * Let new loop map create missing rports
5960  */
5961 void
5962 bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s *port)
5963 {
5964         bfa_fcs_lport_loop_online(port);
5965 }
5966
5967 /*
5968  * FCS virtual port state machine
5969  */
5970
5971 #define __vport_fcs(__vp)       ((__vp)->lport.fcs)
5972 #define __vport_pwwn(__vp)      ((__vp)->lport.port_cfg.pwwn)
5973 #define __vport_nwwn(__vp)      ((__vp)->lport.port_cfg.nwwn)
5974 #define __vport_bfa(__vp)       ((__vp)->lport.fcs->bfa)
5975 #define __vport_fcid(__vp)      ((__vp)->lport.pid)
5976 #define __vport_fabric(__vp)    ((__vp)->lport.fabric)
5977 #define __vport_vfid(__vp)      ((__vp)->lport.fabric->vf_id)
5978
5979 #define BFA_FCS_VPORT_MAX_RETRIES  5
5980 /*
5981  * Forward declarations
5982  */
5983 static void     bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
5984 static void     bfa_fcs_vport_timeout(void *vport_arg);
5985 static void     bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
5986 static void     bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
5987
5988 /*
5989  *  fcs_vport_sm FCS virtual port state machine
5990  */
5991
5992 /*
5993  * VPort State Machine events
5994  */
5995 enum bfa_fcs_vport_event {
5996         BFA_FCS_VPORT_SM_CREATE = 1,    /*  vport create event */
5997         BFA_FCS_VPORT_SM_DELETE = 2,    /*  vport delete event */
5998         BFA_FCS_VPORT_SM_START = 3,     /*  vport start request */
5999         BFA_FCS_VPORT_SM_STOP = 4,      /*  stop: unsupported */
6000         BFA_FCS_VPORT_SM_ONLINE = 5,    /*  fabric online */
6001         BFA_FCS_VPORT_SM_OFFLINE = 6,   /*  fabric offline event */
6002         BFA_FCS_VPORT_SM_FRMSENT = 7,   /*  fdisc/logo sent events */
6003         BFA_FCS_VPORT_SM_RSP_OK = 8,    /*  good response */
6004         BFA_FCS_VPORT_SM_RSP_ERROR = 9, /*  error/bad response */
6005         BFA_FCS_VPORT_SM_TIMEOUT = 10,  /*  delay timer event */
6006         BFA_FCS_VPORT_SM_DELCOMP = 11,  /*  lport delete completion */
6007         BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12,      /*  Dup wnn error*/
6008         BFA_FCS_VPORT_SM_RSP_FAILED = 13,       /*  non-retryable failure */
6009         BFA_FCS_VPORT_SM_STOPCOMP = 14, /* vport delete completion */
6010         BFA_FCS_VPORT_SM_FABRIC_MAX = 15, /* max vports on fabric */
6011 };
6012
6013 static void     bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
6014                                         enum bfa_fcs_vport_event event);
6015 static void     bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
6016                                          enum bfa_fcs_vport_event event);
6017 static void     bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
6018                                          enum bfa_fcs_vport_event event);
6019 static void     bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
6020                                        enum bfa_fcs_vport_event event);
6021 static void     bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6022                                              enum bfa_fcs_vport_event event);
6023 static void     bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6024                                         enum bfa_fcs_vport_event event);
6025 static void     bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6026                                         enum bfa_fcs_vport_event event);
6027 static void     bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6028                                           enum bfa_fcs_vport_event event);
6029 static void     bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6030                                          enum bfa_fcs_vport_event event);
6031 static void     bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6032                                       enum bfa_fcs_vport_event event);
6033 static void     bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6034                                       enum bfa_fcs_vport_event event);
6035 static void     bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6036                                         enum bfa_fcs_vport_event event);
6037 static void     bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6038                                         enum bfa_fcs_vport_event event);
6039
6040 static struct bfa_sm_table_s  vport_sm_table[] = {
6041         {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
6042         {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
6043         {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
6044         {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
6045         {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
6046         {BFA_SM(bfa_fcs_vport_sm_fdisc_rsp_wait), BFA_FCS_VPORT_FDISC_RSP_WAIT},
6047         {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
6048         {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
6049         {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
6050         {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
6051         {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
6052 };
6053
6054 /*
6055  * Beginning state.
6056  */
6057 static void
6058 bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
6059                         enum bfa_fcs_vport_event event)
6060 {
6061         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6062         bfa_trc(__vport_fcs(vport), event);
6063
6064         switch (event) {
6065         case BFA_FCS_VPORT_SM_CREATE:
6066                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6067                 bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
6068                 break;
6069
6070         default:
6071                 bfa_sm_fault(__vport_fcs(vport), event);
6072         }
6073 }
6074
6075 /*
6076  * Created state - a start event is required to start up the state machine.
6077  */
6078 static void
6079 bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
6080                         enum bfa_fcs_vport_event event)
6081 {
6082         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6083         bfa_trc(__vport_fcs(vport), event);
6084
6085         switch (event) {
6086         case BFA_FCS_VPORT_SM_START:
6087                 if (bfa_sm_cmp_state(__vport_fabric(vport),
6088                                         bfa_fcs_fabric_sm_online)
6089                     && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
6090                         bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6091                         bfa_fcs_vport_do_fdisc(vport);
6092                 } else {
6093                         /*
6094                          * Fabric is offline or not NPIV capable, stay in
6095                          * offline state.
6096                          */
6097                         vport->vport_stats.fab_no_npiv++;
6098                         bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6099                 }
6100                 break;
6101
6102         case BFA_FCS_VPORT_SM_DELETE:
6103                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6104                 bfa_fcs_lport_delete(&vport->lport);
6105                 break;
6106
6107         case BFA_FCS_VPORT_SM_ONLINE:
6108         case BFA_FCS_VPORT_SM_OFFLINE:
6109                 /*
6110                  * Ignore ONLINE/OFFLINE events from fabric
6111                  * till vport is started.
6112                  */
6113                 break;
6114
6115         default:
6116                 bfa_sm_fault(__vport_fcs(vport), event);
6117         }
6118 }
6119
6120 /*
6121  * Offline state - awaiting ONLINE event from fabric SM.
6122  */
6123 static void
6124 bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
6125                         enum bfa_fcs_vport_event event)
6126 {
6127         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6128         bfa_trc(__vport_fcs(vport), event);
6129
6130         switch (event) {
6131         case BFA_FCS_VPORT_SM_DELETE:
6132                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6133                 bfa_fcs_lport_delete(&vport->lport);
6134                 break;
6135
6136         case BFA_FCS_VPORT_SM_ONLINE:
6137                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6138                 vport->fdisc_retries = 0;
6139                 bfa_fcs_vport_do_fdisc(vport);
6140                 break;
6141
6142         case BFA_FCS_VPORT_SM_STOP:
6143                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6144                 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6145                 break;
6146
6147         case BFA_FCS_VPORT_SM_OFFLINE:
6148                 /*
6149                  * This can happen if the vport couldn't be initialzied
6150                  * due the fact that the npiv was not enabled on the switch.
6151                  * In that case we will put the vport in offline state.
6152                  * However, the link can go down and cause the this event to
6153                  * be sent when we are already offline. Ignore it.
6154                  */
6155                 break;
6156
6157         default:
6158                 bfa_sm_fault(__vport_fcs(vport), event);
6159         }
6160 }
6161
6162
6163 /*
6164  * FDISC is sent and awaiting reply from fabric.
6165  */
6166 static void
6167 bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
6168                         enum bfa_fcs_vport_event event)
6169 {
6170         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6171         bfa_trc(__vport_fcs(vport), event);
6172
6173         switch (event) {
6174         case BFA_FCS_VPORT_SM_DELETE:
6175                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_rsp_wait);
6176                 break;
6177
6178         case BFA_FCS_VPORT_SM_OFFLINE:
6179                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6180                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6181                 break;
6182
6183         case BFA_FCS_VPORT_SM_RSP_OK:
6184                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
6185                 bfa_fcs_lport_online(&vport->lport);
6186                 break;
6187
6188         case BFA_FCS_VPORT_SM_RSP_ERROR:
6189                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
6190                 bfa_timer_start(__vport_bfa(vport), &vport->timer,
6191                                     bfa_fcs_vport_timeout, vport,
6192                                     BFA_FCS_RETRY_TIMEOUT);
6193                 break;
6194
6195         case BFA_FCS_VPORT_SM_RSP_FAILED:
6196         case BFA_FCS_VPORT_SM_FABRIC_MAX:
6197                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6198                 break;
6199
6200         case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6201                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
6202                 break;
6203
6204         default:
6205                 bfa_sm_fault(__vport_fcs(vport), event);
6206         }
6207 }
6208
6209 /*
6210  * FDISC attempt failed - a timer is active to retry FDISC.
6211  */
6212 static void
6213 bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6214                              enum bfa_fcs_vport_event event)
6215 {
6216         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6217         bfa_trc(__vport_fcs(vport), event);
6218
6219         switch (event) {
6220         case BFA_FCS_VPORT_SM_DELETE:
6221                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6222                 bfa_timer_stop(&vport->timer);
6223                 bfa_fcs_lport_delete(&vport->lport);
6224                 break;
6225
6226         case BFA_FCS_VPORT_SM_OFFLINE:
6227                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6228                 bfa_timer_stop(&vport->timer);
6229                 break;
6230
6231         case BFA_FCS_VPORT_SM_TIMEOUT:
6232                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6233                 vport->vport_stats.fdisc_retries++;
6234                 vport->fdisc_retries++;
6235                 bfa_fcs_vport_do_fdisc(vport);
6236                 break;
6237
6238         default:
6239                 bfa_sm_fault(__vport_fcs(vport), event);
6240         }
6241 }
6242
6243 /*
6244  * FDISC is in progress and we got a vport delete request -
6245  * this is a wait state while we wait for fdisc response and
6246  * we will transition to the appropriate state - on rsp status.
6247  */
6248 static void
6249 bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6250                                 enum bfa_fcs_vport_event event)
6251 {
6252         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6253         bfa_trc(__vport_fcs(vport), event);
6254
6255         switch (event) {
6256         case BFA_FCS_VPORT_SM_RSP_OK:
6257                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6258                 bfa_fcs_lport_delete(&vport->lport);
6259                 break;
6260
6261         case BFA_FCS_VPORT_SM_DELETE:
6262                 break;
6263
6264         case BFA_FCS_VPORT_SM_OFFLINE:
6265         case BFA_FCS_VPORT_SM_RSP_ERROR:
6266         case BFA_FCS_VPORT_SM_RSP_FAILED:
6267         case BFA_FCS_VPORT_SM_FABRIC_MAX:
6268         case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6269                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6270                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6271                 bfa_fcs_lport_delete(&vport->lport);
6272                 break;
6273
6274         default:
6275                 bfa_sm_fault(__vport_fcs(vport), event);
6276         }
6277 }
6278
6279 /*
6280  * Vport is online (FDISC is complete).
6281  */
6282 static void
6283 bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6284                         enum bfa_fcs_vport_event event)
6285 {
6286         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6287         bfa_trc(__vport_fcs(vport), event);
6288
6289         switch (event) {
6290         case BFA_FCS_VPORT_SM_DELETE:
6291                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6292                 bfa_fcs_lport_delete(&vport->lport);
6293                 break;
6294
6295         case BFA_FCS_VPORT_SM_STOP:
6296                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_stopping);
6297                 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6298                 break;
6299
6300         case BFA_FCS_VPORT_SM_OFFLINE:
6301                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6302                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6303                 bfa_fcs_lport_offline(&vport->lport);
6304                 break;
6305
6306         default:
6307                 bfa_sm_fault(__vport_fcs(vport), event);
6308         }
6309 }
6310
6311 /*
6312  * Vport is being stopped - awaiting lport stop completion to send
6313  * LOGO to fabric.
6314  */
6315 static void
6316 bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6317                           enum bfa_fcs_vport_event event)
6318 {
6319         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6320         bfa_trc(__vport_fcs(vport), event);
6321
6322         switch (event) {
6323         case BFA_FCS_VPORT_SM_STOPCOMP:
6324                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo_for_stop);
6325                 bfa_fcs_vport_do_logo(vport);
6326                 break;
6327
6328         case BFA_FCS_VPORT_SM_OFFLINE:
6329                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6330                 break;
6331
6332         default:
6333                 bfa_sm_fault(__vport_fcs(vport), event);
6334         }
6335 }
6336
6337 /*
6338  * Vport is being deleted - awaiting lport delete completion to send
6339  * LOGO to fabric.
6340  */
6341 static void
6342 bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6343                         enum bfa_fcs_vport_event event)
6344 {
6345         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6346         bfa_trc(__vport_fcs(vport), event);
6347
6348         switch (event) {
6349         case BFA_FCS_VPORT_SM_DELETE:
6350                 break;
6351
6352         case BFA_FCS_VPORT_SM_DELCOMP:
6353                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
6354                 bfa_fcs_vport_do_logo(vport);
6355                 break;
6356
6357         case BFA_FCS_VPORT_SM_OFFLINE:
6358                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6359                 break;
6360
6361         default:
6362                 bfa_sm_fault(__vport_fcs(vport), event);
6363         }
6364 }
6365
6366 /*
6367  * Error State.
6368  * This state will be set when the Vport Creation fails due
6369  * to errors like Dup WWN. In this state only operation allowed
6370  * is a Vport Delete.
6371  */
6372 static void
6373 bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6374                         enum bfa_fcs_vport_event event)
6375 {
6376         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6377         bfa_trc(__vport_fcs(vport), event);
6378
6379         switch (event) {
6380         case BFA_FCS_VPORT_SM_DELETE:
6381                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6382                 bfa_fcs_lport_delete(&vport->lport);
6383                 break;
6384
6385         default:
6386                 bfa_trc(__vport_fcs(vport), event);
6387         }
6388 }
6389
6390 /*
6391  * Lport cleanup is in progress since vport is being deleted. Fabric is
6392  * offline, so no LOGO is needed to complete vport deletion.
6393  */
6394 static void
6395 bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6396                         enum bfa_fcs_vport_event event)
6397 {
6398         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6399         bfa_trc(__vport_fcs(vport), event);
6400
6401         switch (event) {
6402         case BFA_FCS_VPORT_SM_DELCOMP:
6403                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6404                 bfa_fcs_vport_free(vport);
6405                 break;
6406
6407         case BFA_FCS_VPORT_SM_STOPCOMP:
6408                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6409                 break;
6410
6411         case BFA_FCS_VPORT_SM_DELETE:
6412                 break;
6413
6414         default:
6415                 bfa_sm_fault(__vport_fcs(vport), event);
6416         }
6417 }
6418
6419 /*
6420  * LOGO is sent to fabric. Vport stop is in progress. Lport stop cleanup
6421  * is done.
6422  */
6423 static void
6424 bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6425                                enum bfa_fcs_vport_event event)
6426 {
6427         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6428         bfa_trc(__vport_fcs(vport), event);
6429
6430         switch (event) {
6431         case BFA_FCS_VPORT_SM_OFFLINE:
6432                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6433                 /*
6434                  * !!! fall through !!!
6435                  */
6436
6437         case BFA_FCS_VPORT_SM_RSP_OK:
6438         case BFA_FCS_VPORT_SM_RSP_ERROR:
6439                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6440                 break;
6441
6442         default:
6443                 bfa_sm_fault(__vport_fcs(vport), event);
6444         }
6445 }
6446
6447 /*
6448  * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
6449  * is done.
6450  */
6451 static void
6452 bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6453                         enum bfa_fcs_vport_event event)
6454 {
6455         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6456         bfa_trc(__vport_fcs(vport), event);
6457
6458         switch (event) {
6459         case BFA_FCS_VPORT_SM_OFFLINE:
6460                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6461                 /*
6462                  * !!! fall through !!!
6463                  */
6464
6465         case BFA_FCS_VPORT_SM_RSP_OK:
6466         case BFA_FCS_VPORT_SM_RSP_ERROR:
6467                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6468                 bfa_fcs_vport_free(vport);
6469                 break;
6470
6471         case BFA_FCS_VPORT_SM_DELETE:
6472                 break;
6473
6474         default:
6475                 bfa_sm_fault(__vport_fcs(vport), event);
6476         }
6477 }
6478
6479
6480
6481 /*
6482  *  fcs_vport_private FCS virtual port private functions
6483  */
6484 /*
6485  * Send AEN notification
6486  */
6487 static void
6488 bfa_fcs_vport_aen_post(struct bfa_fcs_lport_s *port,
6489                        enum bfa_lport_aen_event event)
6490 {
6491         struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
6492         struct bfa_aen_entry_s  *aen_entry;
6493
6494         bfad_get_aen_entry(bfad, aen_entry);
6495         if (!aen_entry)
6496                 return;
6497
6498         aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
6499         aen_entry->aen_data.lport.roles = port->port_cfg.roles;
6500         aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
6501                                         bfa_fcs_get_base_port(port->fcs));
6502         aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
6503
6504         /* Send the AEN notification */
6505         bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
6506                                   BFA_AEN_CAT_LPORT, event);
6507 }
6508
6509 /*
6510  * This routine will be called to send a FDISC command.
6511  */
6512 static void
6513 bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
6514 {
6515         bfa_lps_fdisc(vport->lps, vport,
6516                 bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
6517                 __vport_pwwn(vport), __vport_nwwn(vport));
6518         vport->vport_stats.fdisc_sent++;
6519 }
6520
6521 static void
6522 bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
6523 {
6524         u8              lsrjt_rsn = vport->lps->lsrjt_rsn;
6525         u8              lsrjt_expl = vport->lps->lsrjt_expl;
6526
6527         bfa_trc(__vport_fcs(vport), lsrjt_rsn);
6528         bfa_trc(__vport_fcs(vport), lsrjt_expl);
6529
6530         /* For certain reason codes, we don't want to retry. */
6531         switch (vport->lps->lsrjt_expl) {
6532         case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
6533         case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
6534                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6535                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6536                 else {
6537                         bfa_fcs_vport_aen_post(&vport->lport,
6538                                         BFA_LPORT_AEN_NPIV_DUP_WWN);
6539                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
6540                 }
6541                 break;
6542
6543         case FC_LS_RJT_EXP_INSUFF_RES:
6544                 /*
6545                  * This means max logins per port/switch setting on the
6546                  * switch was exceeded.
6547                  */
6548                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6549                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6550                 else {
6551                         bfa_fcs_vport_aen_post(&vport->lport,
6552                                         BFA_LPORT_AEN_NPIV_FABRIC_MAX);
6553                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_FABRIC_MAX);
6554                 }
6555                 break;
6556
6557         default:
6558                 if (vport->fdisc_retries == 0)
6559                         bfa_fcs_vport_aen_post(&vport->lport,
6560                                         BFA_LPORT_AEN_NPIV_UNKNOWN);
6561                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6562         }
6563 }
6564
6565 /*
6566  *      Called to send a logout to the fabric. Used when a V-Port is
6567  *      deleted/stopped.
6568  */
6569 static void
6570 bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
6571 {
6572         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6573
6574         vport->vport_stats.logo_sent++;
6575         bfa_lps_fdisclogo(vport->lps);
6576 }
6577
6578
6579 /*
6580  *     This routine will be called by bfa_timer on timer timeouts.
6581  *
6582  *      param[in]       vport           - pointer to bfa_fcs_vport_t.
6583  *      param[out]      vport_status    - pointer to return vport status in
6584  *
6585  *      return
6586  *              void
6587  *
6588  *      Special Considerations:
6589  *
6590  *      note
6591  */
6592 static void
6593 bfa_fcs_vport_timeout(void *vport_arg)
6594 {
6595         struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
6596
6597         vport->vport_stats.fdisc_timeouts++;
6598         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
6599 }
6600
6601 static void
6602 bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
6603 {
6604         struct bfad_vport_s *vport_drv =
6605                         (struct bfad_vport_s *)vport->vport_drv;
6606
6607         bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
6608         bfa_lps_delete(vport->lps);
6609
6610         if (vport_drv->comp_del) {
6611                 complete(vport_drv->comp_del);
6612                 return;
6613         }
6614
6615         /*
6616          * We queue the vport delete work to the IM work_q from here.
6617          * The memory for the bfad_vport_s is freed from the FC function
6618          * template vport_delete entry point.
6619          */
6620         bfad_im_port_delete(vport_drv->drv_port.bfad, &vport_drv->drv_port);
6621 }
6622
6623 /*
6624  *  fcs_vport_public FCS virtual port public interfaces
6625  */
6626
6627 /*
6628  * Online notification from fabric SM.
6629  */
6630 void
6631 bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
6632 {
6633         vport->vport_stats.fab_online++;
6634         if (bfa_fcs_fabric_npiv_capable(__vport_fabric(vport)))
6635                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6636         else
6637                 vport->vport_stats.fab_no_npiv++;
6638 }
6639
6640 /*
6641  * Offline notification from fabric SM.
6642  */
6643 void
6644 bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
6645 {
6646         vport->vport_stats.fab_offline++;
6647         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6648 }
6649
6650 /*
6651  * Cleanup notification from fabric SM on link timer expiry.
6652  */
6653 void
6654 bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
6655 {
6656         vport->vport_stats.fab_cleanup++;
6657 }
6658
6659 /*
6660  * Stop notification from fabric SM. To be invoked from within FCS.
6661  */
6662 void
6663 bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport)
6664 {
6665         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6666 }
6667
6668 /*
6669  * delete notification from fabric SM. To be invoked from within FCS.
6670  */
6671 void
6672 bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
6673 {
6674         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6675 }
6676
6677 /*
6678  * Stop completion callback from associated lport
6679  */
6680 void
6681 bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport)
6682 {
6683         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOPCOMP);
6684 }
6685
6686 /*
6687  * Delete completion callback from associated lport
6688  */
6689 void
6690 bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
6691 {
6692         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
6693 }
6694
6695
6696
6697 /*
6698  *  fcs_vport_api Virtual port API
6699  */
6700
6701 /*
6702  *      Use this function to instantiate a new FCS vport object. This
6703  *      function will not trigger any HW initialization process (which will be
6704  *      done in vport_start() call)
6705  *
6706  *      param[in] vport -               pointer to bfa_fcs_vport_t. This space
6707  *                                      needs to be allocated by the driver.
6708  *      param[in] fcs           -       FCS instance
6709  *      param[in] vport_cfg     -       vport configuration
6710  *      param[in] vf_id         -       VF_ID if vport is created within a VF.
6711  *                                      FC_VF_ID_NULL to specify base fabric.
6712  *      param[in] vport_drv     -       Opaque handle back to the driver's vport
6713  *                                      structure
6714  *
6715  *      retval BFA_STATUS_OK - on success.
6716  *      retval BFA_STATUS_FAILED - on failure.
6717  */
6718 bfa_status_t
6719 bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6720                 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6721                 struct bfad_vport_s *vport_drv)
6722 {
6723         if (vport_cfg->pwwn == 0)
6724                 return BFA_STATUS_INVALID_WWN;
6725
6726         if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
6727                 return BFA_STATUS_VPORT_WWN_BP;
6728
6729         if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
6730                 return BFA_STATUS_VPORT_EXISTS;
6731
6732         if (fcs->fabric.num_vports ==
6733                         bfa_lps_get_max_vport(fcs->bfa))
6734                 return BFA_STATUS_VPORT_MAX;
6735
6736         vport->lps = bfa_lps_alloc(fcs->bfa);
6737         if (!vport->lps)
6738                 return BFA_STATUS_VPORT_MAX;
6739
6740         vport->vport_drv = vport_drv;
6741         vport_cfg->preboot_vp = BFA_FALSE;
6742
6743         bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6744         bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
6745         bfa_fcs_lport_init(&vport->lport, vport_cfg);
6746         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
6747
6748         return BFA_STATUS_OK;
6749 }
6750
6751 /*
6752  *      Use this function to instantiate a new FCS PBC vport object. This
6753  *      function will not trigger any HW initialization process (which will be
6754  *      done in vport_start() call)
6755  *
6756  *      param[in] vport -       pointer to bfa_fcs_vport_t. This space
6757  *                              needs to be allocated by the driver.
6758  *      param[in] fcs   -       FCS instance
6759  *      param[in] vport_cfg     -       vport configuration
6760  *      param[in] vf_id         -       VF_ID if vport is created within a VF.
6761  *                                      FC_VF_ID_NULL to specify base fabric.
6762  *      param[in] vport_drv     -       Opaque handle back to the driver's vport
6763  *                                      structure
6764  *
6765  *      retval BFA_STATUS_OK - on success.
6766  *      retval BFA_STATUS_FAILED - on failure.
6767  */
6768 bfa_status_t
6769 bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6770                         u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6771                         struct bfad_vport_s *vport_drv)
6772 {
6773         bfa_status_t rc;
6774
6775         rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
6776         vport->lport.port_cfg.preboot_vp = BFA_TRUE;
6777
6778         return rc;
6779 }
6780
6781 /*
6782  *      Use this function to findout if this is a pbc vport or not.
6783  *
6784  * @param[in] vport - pointer to bfa_fcs_vport_t.
6785  *
6786  * @returns None
6787  */
6788 bfa_boolean_t
6789 bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
6790 {
6791
6792         if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
6793                 return BFA_TRUE;
6794         else
6795                 return BFA_FALSE;
6796
6797 }
6798
6799 /*
6800  * Use this function initialize the vport.
6801  *
6802  * @param[in] vport - pointer to bfa_fcs_vport_t.
6803  *
6804  * @returns None
6805  */
6806 bfa_status_t
6807 bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
6808 {
6809         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
6810
6811         return BFA_STATUS_OK;
6812 }
6813
6814 /*
6815  *      Use this function quiese the vport object. This function will return
6816  *      immediately, when the vport is actually stopped, the
6817  *      bfa_drv_vport_stop_cb() will be called.
6818  *
6819  *      param[in] vport - pointer to bfa_fcs_vport_t.
6820  *
6821  *      return None
6822  */
6823 bfa_status_t
6824 bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
6825 {
6826         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6827
6828         return BFA_STATUS_OK;
6829 }
6830
6831 /*
6832  *      Use this function to delete a vport object. Fabric object should
6833  *      be stopped before this function call.
6834  *
6835  *      !!!!!!! Donot invoke this from within FCS  !!!!!!!
6836  *
6837  *      param[in] vport - pointer to bfa_fcs_vport_t.
6838  *
6839  *      return     None
6840  */
6841 bfa_status_t
6842 bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
6843 {
6844
6845         if (vport->lport.port_cfg.preboot_vp)
6846                 return BFA_STATUS_PBC;
6847
6848         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6849
6850         return BFA_STATUS_OK;
6851 }
6852
6853 /*
6854  *      Use this function to get vport's current status info.
6855  *
6856  *      param[in] vport         pointer to bfa_fcs_vport_t.
6857  *      param[out] attr         pointer to return vport attributes
6858  *
6859  *      return None
6860  */
6861 void
6862 bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
6863                         struct bfa_vport_attr_s *attr)
6864 {
6865         if (vport == NULL || attr == NULL)
6866                 return;
6867
6868         memset(attr, 0, sizeof(struct bfa_vport_attr_s));
6869
6870         bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
6871         attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
6872 }
6873
6874
6875 /*
6876  *      Lookup a virtual port. Excludes base port from lookup.
6877  */
6878 struct bfa_fcs_vport_s *
6879 bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
6880 {
6881         struct bfa_fcs_vport_s *vport;
6882         struct bfa_fcs_fabric_s *fabric;
6883
6884         bfa_trc(fcs, vf_id);
6885         bfa_trc(fcs, vpwwn);
6886
6887         fabric = bfa_fcs_vf_lookup(fcs, vf_id);
6888         if (!fabric) {
6889                 bfa_trc(fcs, vf_id);
6890                 return NULL;
6891         }
6892
6893         vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
6894         return vport;
6895 }
6896
6897 /*
6898  * FDISC Response
6899  */
6900 void
6901 bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
6902 {
6903         struct bfa_fcs_vport_s *vport = uarg;
6904
6905         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6906         bfa_trc(__vport_fcs(vport), status);
6907
6908         switch (status) {
6909         case BFA_STATUS_OK:
6910                 /*
6911                  * Initialize the V-Port fields
6912                  */
6913                 __vport_fcid(vport) = vport->lps->lp_pid;
6914                 vport->vport_stats.fdisc_accepts++;
6915                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6916                 break;
6917
6918         case BFA_STATUS_INVALID_MAC:
6919                 /* Only for CNA */
6920                 vport->vport_stats.fdisc_acc_bad++;
6921                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6922
6923                 break;
6924
6925         case BFA_STATUS_EPROTOCOL:
6926                 switch (vport->lps->ext_status) {
6927                 case BFA_EPROTO_BAD_ACCEPT:
6928                         vport->vport_stats.fdisc_acc_bad++;
6929                         break;
6930
6931                 case BFA_EPROTO_UNKNOWN_RSP:
6932                         vport->vport_stats.fdisc_unknown_rsp++;
6933                         break;
6934
6935                 default:
6936                         break;
6937                 }
6938
6939                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6940                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6941                 else
6942                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6943
6944                 break;
6945
6946         case BFA_STATUS_ETIMER:
6947                 vport->vport_stats.fdisc_timeouts++;
6948                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6949                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6950                 else
6951                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6952                 break;
6953
6954         case BFA_STATUS_FABRIC_RJT:
6955                 vport->vport_stats.fdisc_rejects++;
6956                 bfa_fcs_vport_fdisc_rejected(vport);
6957                 break;
6958
6959         default:
6960                 vport->vport_stats.fdisc_rsp_err++;
6961                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6962         }
6963 }
6964
6965 /*
6966  * LOGO response
6967  */
6968 void
6969 bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
6970 {
6971         struct bfa_fcs_vport_s *vport = uarg;
6972         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6973 }
6974
6975 /*
6976  * Received clear virtual link
6977  */
6978 void
6979 bfa_cb_lps_cvl_event(void *bfad, void *uarg)
6980 {
6981         struct bfa_fcs_vport_s *vport = uarg;
6982
6983         /* Send an Offline followed by an ONLINE */
6984         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6985         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6986 }