drivers/scsi/bfa/bfa_fcbuild.c

   1 /*
   2  * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
   3  * All rights reserved
   4  * www.brocade.com
   5  *
   6  * Linux driver for Brocade Fibre Channel Host Bus Adapter.
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License (GPL) Version 2 as
  10  * published by the Free Software Foundation
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  */
  17 /*
  18  * fcbuild.c - FC link service frame building and parsing routines
  19  */
  20
  21 #include "bfad_drv.h"
  22 #include "bfa_fcbuild.h"
  23
  24 /*
  25  * static build functions
  26  */
  27 static void     fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
  28                                  __be16 ox_id);
  29 static void     fc_bls_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
  30                                  __be16 ox_id);
  31 static struct fchs_s fc_els_req_tmpl;
  32 static struct fchs_s fc_els_rsp_tmpl;
  33 static struct fchs_s fc_bls_req_tmpl;
  34 static struct fchs_s fc_bls_rsp_tmpl;
  35 static struct fc_ba_acc_s ba_acc_tmpl;
  36 static struct fc_logi_s plogi_tmpl;
  37 static struct fc_prli_s prli_tmpl;
  38 static struct fc_rrq_s rrq_tmpl;
  39 static struct fchs_s fcp_fchs_tmpl;
  40
  41 void
  42 fcbuild_init(void)
  43 {
  44         /*
  45          * fc_els_req_tmpl
  46          */
  47         fc_els_req_tmpl.routing = FC_RTG_EXT_LINK;
  48         fc_els_req_tmpl.cat_info = FC_CAT_LD_REQUEST;
  49         fc_els_req_tmpl.type = FC_TYPE_ELS;
  50         fc_els_req_tmpl.f_ctl =
  51                 bfa_hton3b(FCTL_SEQ_INI | FCTL_FS_EXCH | FCTL_END_SEQ |
  52                               FCTL_SI_XFER);
  53         fc_els_req_tmpl.rx_id = FC_RXID_ANY;
  54
  55         /*
  56          * fc_els_rsp_tmpl
  57          */
  58         fc_els_rsp_tmpl.routing = FC_RTG_EXT_LINK;
  59         fc_els_rsp_tmpl.cat_info = FC_CAT_LD_REPLY;
  60         fc_els_rsp_tmpl.type = FC_TYPE_ELS;
  61         fc_els_rsp_tmpl.f_ctl =
  62                 bfa_hton3b(FCTL_EC_RESP | FCTL_SEQ_INI | FCTL_LS_EXCH |
  63                               FCTL_END_SEQ | FCTL_SI_XFER);
  64         fc_els_rsp_tmpl.rx_id = FC_RXID_ANY;
  65
  66         /*
  67          * fc_bls_req_tmpl
  68          */
  69         fc_bls_req_tmpl.routing = FC_RTG_BASIC_LINK;
  70         fc_bls_req_tmpl.type = FC_TYPE_BLS;
  71         fc_bls_req_tmpl.f_ctl = bfa_hton3b(FCTL_END_SEQ | FCTL_SI_XFER);
  72         fc_bls_req_tmpl.rx_id = FC_RXID_ANY;
  73
  74         /*
  75          * fc_bls_rsp_tmpl
  76          */
  77         fc_bls_rsp_tmpl.routing = FC_RTG_BASIC_LINK;
  78         fc_bls_rsp_tmpl.cat_info = FC_CAT_BA_ACC;
  79         fc_bls_rsp_tmpl.type = FC_TYPE_BLS;
  80         fc_bls_rsp_tmpl.f_ctl =
  81                 bfa_hton3b(FCTL_EC_RESP | FCTL_SEQ_INI | FCTL_LS_EXCH |
  82                               FCTL_END_SEQ | FCTL_SI_XFER);
  83         fc_bls_rsp_tmpl.rx_id = FC_RXID_ANY;
  84
  85         /*
  86          * ba_acc_tmpl
  87          */
  88         ba_acc_tmpl.seq_id_valid = 0;
  89         ba_acc_tmpl.low_seq_cnt = 0;
  90         ba_acc_tmpl.high_seq_cnt = 0xFFFF;
  91
  92         /*
  93          * plogi_tmpl
  94          */
  95         plogi_tmpl.csp.verhi = FC_PH_VER_PH_3;
  96         plogi_tmpl.csp.verlo = FC_PH_VER_4_3;
  97         plogi_tmpl.csp.ciro = 0x1;
  98         plogi_tmpl.csp.cisc = 0x0;
  99         plogi_tmpl.csp.altbbcred = 0x0;
 100         plogi_tmpl.csp.conseq = cpu_to_be16(0x00FF);
 101         plogi_tmpl.csp.ro_bitmap = cpu_to_be16(0x0002);
 102         plogi_tmpl.csp.e_d_tov = cpu_to_be32(2000);
 103
 104         plogi_tmpl.class3.class_valid = 1;
 105         plogi_tmpl.class3.sequential = 1;
 106         plogi_tmpl.class3.conseq = 0xFF;
 107         plogi_tmpl.class3.ospx = 1;
 108
 109         /*
 110          * prli_tmpl
 111          */
 112         prli_tmpl.command = FC_ELS_PRLI;
 113         prli_tmpl.pglen = 0x10;
 114         prli_tmpl.pagebytes = cpu_to_be16(0x0014);
 115         prli_tmpl.parampage.type = FC_TYPE_FCP;
 116         prli_tmpl.parampage.imagepair = 1;
 117         prli_tmpl.parampage.servparams.rxrdisab = 1;
 118
 119         /*
 120          * rrq_tmpl
 121          */
 122         rrq_tmpl.els_cmd.els_code = FC_ELS_RRQ;
 123
 124         /*
 125          * fcp_struct fchs_s mpl
 126          */
 127         fcp_fchs_tmpl.routing = FC_RTG_FC4_DEV_DATA;
 128         fcp_fchs_tmpl.cat_info = FC_CAT_UNSOLICIT_CMD;
 129         fcp_fchs_tmpl.type = FC_TYPE_FCP;
 130         fcp_fchs_tmpl.f_ctl =
 131                 bfa_hton3b(FCTL_FS_EXCH | FCTL_END_SEQ | FCTL_SI_XFER);
 132         fcp_fchs_tmpl.seq_id = 1;
 133         fcp_fchs_tmpl.rx_id = FC_RXID_ANY;
 134 }
 135
 136 static void
 137 fc_gs_fchdr_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u32 ox_id)
 138 {
 139         memset(fchs, 0, sizeof(struct fchs_s));
 140
 141         fchs->routing = FC_RTG_FC4_DEV_DATA;
 142         fchs->cat_info = FC_CAT_UNSOLICIT_CTRL;
 143         fchs->type = FC_TYPE_SERVICES;
 144         fchs->f_ctl =
 145                 bfa_hton3b(FCTL_SEQ_INI | FCTL_FS_EXCH | FCTL_END_SEQ |
 146                               FCTL_SI_XFER);
 147         fchs->rx_id = FC_RXID_ANY;
 148         fchs->d_id = (d_id);
 149         fchs->s_id = (s_id);
 150         fchs->ox_id = cpu_to_be16(ox_id);
 151
 152         /*
 153          * @todo no need to set ox_id for request
 154          *       no need to set rx_id for response
 155          */
 156 }
 157
 158 static void
 159 fc_gsresp_fchdr_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id)
 160 {
 161         memset(fchs, 0, sizeof(struct fchs_s));
 162
 163         fchs->routing = FC_RTG_FC4_DEV_DATA;
 164         fchs->cat_info = FC_CAT_SOLICIT_CTRL;
 165         fchs->type = FC_TYPE_SERVICES;
 166         fchs->f_ctl =
 167                 bfa_hton3b(FCTL_EC_RESP | FCTL_SEQ_INI | FCTL_LS_EXCH |
 168                            FCTL_END_SEQ | FCTL_SI_XFER);
 169         fchs->d_id = d_id;
 170         fchs->s_id = s_id;
 171         fchs->ox_id = ox_id;
 172 }
 173
 174 void
 175 fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id, __be16 ox_id)
 176 {
 177         memcpy(fchs, &fc_els_req_tmpl, sizeof(struct fchs_s));
 178         fchs->d_id = (d_id);
 179         fchs->s_id = (s_id);
 180         fchs->ox_id = cpu_to_be16(ox_id);
 181 }
 182
 183 static void
 184 fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, __be16 ox_id)
 185 {
 186         memcpy(fchs, &fc_els_rsp_tmpl, sizeof(struct fchs_s));
 187         fchs->d_id = d_id;
 188         fchs->s_id = s_id;
 189         fchs->ox_id = ox_id;
 190 }
 191
 192 enum fc_parse_status
 193 fc_els_rsp_parse(struct fchs_s *fchs, int len)
 194 {
 195         struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
 196         struct fc_ls_rjt_s *ls_rjt = (struct fc_ls_rjt_s *) els_cmd;
 197
 198         len = len;
 199
 200         switch (els_cmd->els_code) {
 201         case FC_ELS_LS_RJT:
 202                 if (ls_rjt->reason_code == FC_LS_RJT_RSN_LOGICAL_BUSY)
 203                         return FC_PARSE_BUSY;
 204                 else
 205                         return FC_PARSE_FAILURE;
 206
 207         case FC_ELS_ACC:
 208                 return FC_PARSE_OK;
 209         }
 210         return FC_PARSE_OK;
 211 }
 212
 213 static void
 214 fc_bls_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, __be16 ox_id)
 215 {
 216         memcpy(fchs, &fc_bls_rsp_tmpl, sizeof(struct fchs_s));
 217         fchs->d_id = d_id;
 218         fchs->s_id = s_id;
 219         fchs->ox_id = ox_id;
 220 }
 221
 222 static          u16
 223 fc_plogi_x_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
 224                  __be16 ox_id, wwn_t port_name, wwn_t node_name,
 225                  u16 pdu_size, u16 bb_cr, u8 els_code)
 226 {
 227         struct fc_logi_s *plogi = (struct fc_logi_s *) (pld);
 228
 229         memcpy(plogi, &plogi_tmpl, sizeof(struct fc_logi_s));
 230
 231         plogi->els_cmd.els_code = els_code;
 232         if (els_code == FC_ELS_PLOGI)
 233                 fc_els_req_build(fchs, d_id, s_id, ox_id);
 234         else
 235                 fc_els_rsp_build(fchs, d_id, s_id, ox_id);
 236
 237         plogi->csp.rxsz = plogi->class3.rxsz = cpu_to_be16(pdu_size);
 238         plogi->csp.bbcred  = cpu_to_be16(bb_cr);
 239
 240         memcpy(&plogi->port_name, &port_name, sizeof(wwn_t));
 241         memcpy(&plogi->node_name, &node_name, sizeof(wwn_t));
 242
 243         return sizeof(struct fc_logi_s);
 244 }
 245
 246 u16
 247 fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id,
 248                 u16 ox_id, wwn_t port_name, wwn_t node_name, u16 pdu_size,
 249                u8 set_npiv, u8 set_auth, u16 local_bb_credits)
 250 {
 251         u32        d_id = bfa_hton3b(FC_FABRIC_PORT);
 252         __be32  *vvl_info;
 253
 254         memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s));
 255
 256         flogi->els_cmd.els_code = FC_ELS_FLOGI;
 257         fc_els_req_build(fchs, d_id, s_id, ox_id);
 258
 259         flogi->csp.rxsz = flogi->class3.rxsz = cpu_to_be16(pdu_size);
 260         flogi->port_name = port_name;
 261         flogi->node_name = node_name;
 262
 263         /*
 264          * Set the NPIV Capability Bit ( word 1, bit 31) of Common
 265          * Service Parameters.
 266          */
 267         flogi->csp.ciro = set_npiv;
 268
 269         /* set AUTH capability */
 270         flogi->csp.security = set_auth;
 271
 272         flogi->csp.bbcred = cpu_to_be16(local_bb_credits);
 273
 274         /* Set brcd token in VVL */
 275         vvl_info = (u32 *)&flogi->vvl[0];
 276
 277         /* set the flag to indicate the presence of VVL */
 278         flogi->csp.npiv_supp    = 1; /* @todo. field name is not correct */
 279         vvl_info[0]     = cpu_to_be32(FLOGI_VVL_BRCD);
 280
 281         return sizeof(struct fc_logi_s);
 282 }
 283
 284 u16
 285 fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id,
 286                    __be16 ox_id, wwn_t port_name, wwn_t node_name,
 287                    u16 pdu_size, u16 local_bb_credits, u8 bb_scn)
 288 {
 289         u32        d_id = 0;
 290         u16        bbscn_rxsz = (bb_scn << 12) | pdu_size;
 291
 292         memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s));
 293         fc_els_rsp_build(fchs, d_id, s_id, ox_id);
 294
 295         flogi->els_cmd.els_code = FC_ELS_ACC;
 296         flogi->class3.rxsz = cpu_to_be16(pdu_size);
 297         flogi->csp.rxsz  = cpu_to_be16(bbscn_rxsz);     /* bb_scn/rxsz */
 298         flogi->port_name = port_name;
 299         flogi->node_name = node_name;
 300
 301         flogi->csp.bbcred = cpu_to_be16(local_bb_credits);
 302
 303         return sizeof(struct fc_logi_s);
 304 }
 305
 306 u16
 307 fc_fdisc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id,
 308                 u16 ox_id, wwn_t port_name, wwn_t node_name, u16 pdu_size)
 309 {
 310         u32        d_id = bfa_hton3b(FC_FABRIC_PORT);
 311
 312         memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s));
 313
 314         flogi->els_cmd.els_code = FC_ELS_FDISC;
 315         fc_els_req_build(fchs, d_id, s_id, ox_id);
 316
 317         flogi->csp.rxsz = flogi->class3.rxsz = cpu_to_be16(pdu_size);
 318         flogi->port_name = port_name;
 319         flogi->node_name = node_name;
 320
 321         return sizeof(struct fc_logi_s);
 322 }
 323
 324 u16
 325 fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
 326                u16 ox_id, wwn_t port_name, wwn_t node_name,
 327                u16 pdu_size, u16 bb_cr)
 328 {
 329         return fc_plogi_x_build(fchs, pld, d_id, s_id, ox_id, port_name,
 330                                 node_name, pdu_size, bb_cr, FC_ELS_PLOGI);
 331 }
 332
 333 u16
 334 fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
 335                    u16 ox_id, wwn_t port_name, wwn_t node_name,
 336                    u16 pdu_size, u16 bb_cr)
 337 {
 338         return fc_plogi_x_build(fchs, pld, d_id, s_id, ox_id, port_name,
 339                                 node_name, pdu_size, bb_cr, FC_ELS_ACC);
 340 }
 341
 342 enum fc_parse_status
 343 fc_plogi_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name)
 344 {
 345         struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
 346         struct fc_logi_s *plogi;
 347         struct fc_ls_rjt_s *ls_rjt;
 348
 349         switch (els_cmd->els_code) {
 350         case FC_ELS_LS_RJT:
 351                 ls_rjt = (struct fc_ls_rjt_s *) (fchs + 1);
 352                 if (ls_rjt->reason_code == FC_LS_RJT_RSN_LOGICAL_BUSY)
 353                         return FC_PARSE_BUSY;
 354                 else
 355                         return FC_PARSE_FAILURE;
 356         case FC_ELS_ACC:
 357                 plogi = (struct fc_logi_s *) (fchs + 1);
 358                 if (len < sizeof(struct fc_logi_s))
 359                         return FC_PARSE_FAILURE;
 360
 361                 if (!wwn_is_equal(plogi->port_name, port_name))
 362                         return FC_PARSE_FAILURE;
 363
 364                 if (!plogi->class3.class_valid)
 365                         return FC_PARSE_FAILURE;
 366
 367                 if (be16_to_cpu(plogi->class3.rxsz) < (FC_MIN_PDUSZ))
 368                         return FC_PARSE_FAILURE;
 369
 370                 return FC_PARSE_OK;
 371         default:
 372                 return FC_PARSE_FAILURE;
 373         }
 374 }
 375
 376 enum fc_parse_status
 377 fc_plogi_parse(struct fchs_s *fchs)
 378 {
 379         struct fc_logi_s *plogi = (struct fc_logi_s *) (fchs + 1);
 380
 381         if (plogi->class3.class_valid != 1)
 382                 return FC_PARSE_FAILURE;
 383
 384         if ((be16_to_cpu(plogi->class3.rxsz) < FC_MIN_PDUSZ)
 385             || (be16_to_cpu(plogi->class3.rxsz) > FC_MAX_PDUSZ)
 386             || (plogi->class3.rxsz == 0))
 387                 return FC_PARSE_FAILURE;
 388
 389         return FC_PARSE_OK;
 390 }
 391
 392 u16
 393 fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
 394               u16 ox_id)
 395 {
 396         struct fc_prli_s *prli = (struct fc_prli_s *) (pld);
 397
 398         fc_els_req_build(fchs, d_id, s_id, ox_id);
 399         memcpy(prli, &prli_tmpl, sizeof(struct fc_prli_s));
 400
 401         prli->command = FC_ELS_PRLI;
 402         prli->parampage.servparams.initiator     = 1;
 403         prli->parampage.servparams.retry         = 1;
 404         prli->parampage.servparams.rec_support   = 1;
 405         prli->parampage.servparams.task_retry_id = 0;
 406         prli->parampage.servparams.confirm       = 1;
 407
 408         return sizeof(struct fc_prli_s);
 409 }
 410
 411 u16
 412 fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
 413                   __be16 ox_id, enum bfa_lport_role role)
 414 {
 415         struct fc_prli_s *prli = (struct fc_prli_s *) (pld);
 416
 417         fc_els_rsp_build(fchs, d_id, s_id, ox_id);
 418         memcpy(prli, &prli_tmpl, sizeof(struct fc_prli_s));
 419
 420         prli->command = FC_ELS_ACC;
 421
 422         prli->parampage.servparams.initiator = 1;
 423
 424         prli->parampage.rspcode = FC_PRLI_ACC_XQTD;
 425
 426         return sizeof(struct fc_prli_s);
 427 }
 428
 429 enum fc_parse_status
 430 fc_prli_rsp_parse(struct fc_prli_s *prli, int len)
 431 {
 432         if (len < sizeof(struct fc_prli_s))
 433                 return FC_PARSE_FAILURE;
 434
 435         if (prli->command != FC_ELS_ACC)
 436                 return FC_PARSE_FAILURE;
 437
 438         if ((prli->parampage.rspcode != FC_PRLI_ACC_XQTD)
 439             && (prli->parampage.rspcode != FC_PRLI_ACC_PREDEF_IMG))
 440                 return FC_PARSE_FAILURE;
 441
 442         if (prli->parampage.servparams.target != 1)
 443                 return FC_PARSE_FAILURE;
 444
 445         return FC_PARSE_OK;
 446 }
 447
 448 enum fc_parse_status
 449 fc_prli_parse(struct fc_prli_s *prli)
 450 {
 451         if (prli->parampage.type != FC_TYPE_FCP)
 452                 return FC_PARSE_FAILURE;
 453
 454         if (!prli->parampage.imagepair)
 455                 return FC_PARSE_FAILURE;
 456
 457         if (!prli->parampage.servparams.initiator)
 458                 return FC_PARSE_FAILURE;
 459
 460         return FC_PARSE_OK;
 461 }
 462
 463 u16
 464 fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id, u32 s_id,
 465               u16 ox_id, wwn_t port_name)
 466 {
 467         fc_els_req_build(fchs, d_id, s_id, ox_id);
 468
 469         memset(logo, '\0', sizeof(struct fc_logo_s));
 470         logo->els_cmd.els_code = FC_ELS_LOGO;
 471         logo->nport_id = (s_id);
 472         logo->orig_port_name = port_name;
 473
 474         return sizeof(struct fc_logo_s);
 475 }
 476
 477 static u16
 478 fc_adisc_x_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id,
 479                  u32 s_id, __be16 ox_id, wwn_t port_name,
 480                  wwn_t node_name, u8 els_code)
 481 {
 482         memset(adisc, '\0', sizeof(struct fc_adisc_s));
 483
 484         adisc->els_cmd.els_code = els_code;
 485
 486         if (els_code == FC_ELS_ADISC)
 487                 fc_els_req_build(fchs, d_id, s_id, ox_id);
 488         else
 489                 fc_els_rsp_build(fchs, d_id, s_id, ox_id);
 490
 491         adisc->orig_HA = 0;
 492         adisc->orig_port_name = port_name;
 493         adisc->orig_node_name = node_name;
 494         adisc->nport_id = (s_id);
 495
 496         return sizeof(struct fc_adisc_s);
 497 }
 498
 499 u16
 500 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id,
 501                 u32 s_id, __be16 ox_id, wwn_t port_name, wwn_t node_name)
 502 {
 503         return fc_adisc_x_build(fchs, adisc, d_id, s_id, ox_id, port_name,
 504                                 node_name, FC_ELS_ADISC);
 505 }
 506
 507 u16
 508 fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id,
 509                    u32 s_id, __be16 ox_id, wwn_t port_name,
 510                    wwn_t node_name)
 511 {
 512         return fc_adisc_x_build(fchs, adisc, d_id, s_id, ox_id, port_name,
 513                                 node_name, FC_ELS_ACC);
 514 }
 515
 516 enum fc_parse_status
 517 fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len, wwn_t port_name,
 518                                  wwn_t node_name)
 519 {
 520
 521         if (len < sizeof(struct fc_adisc_s))
 522                 return FC_PARSE_FAILURE;
 523
 524         if (adisc->els_cmd.els_code != FC_ELS_ACC)
 525                 return FC_PARSE_FAILURE;
 526
 527         if (!wwn_is_equal(adisc->orig_port_name, port_name))
 528                 return FC_PARSE_FAILURE;
 529
 530         return FC_PARSE_OK;
 531 }
 532
 533 enum fc_parse_status
 534 fc_adisc_parse(struct fchs_s *fchs, void *pld, u32 host_dap, wwn_t node_name,
 535                wwn_t port_name)
 536 {
 537         struct fc_adisc_s *adisc = (struct fc_adisc_s *) pld;
 538
 539         if (adisc->els_cmd.els_code != FC_ELS_ACC)
 540                 return FC_PARSE_FAILURE;
 541
 542         if ((adisc->nport_id == (host_dap))
 543             && wwn_is_equal(adisc->orig_port_name, port_name)
 544             && wwn_is_equal(adisc->orig_node_name, node_name))
 545                 return FC_PARSE_OK;
 546
 547         return FC_PARSE_FAILURE;
 548 }
 549
 550 enum fc_parse_status
 551 fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name, wwn_t port_name)
 552 {
 553         struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1);
 554
 555         if (pdisc->class3.class_valid != 1)
 556                 return FC_PARSE_FAILURE;
 557
 558         if ((be16_to_cpu(pdisc->class3.rxsz) <
 559                 (FC_MIN_PDUSZ - sizeof(struct fchs_s)))
 560             || (pdisc->class3.rxsz == 0))
 561                 return FC_PARSE_FAILURE;
 562
 563         if (!wwn_is_equal(pdisc->port_name, port_name))
 564                 return FC_PARSE_FAILURE;
 565
 566         if (!wwn_is_equal(pdisc->node_name, node_name))
 567                 return FC_PARSE_FAILURE;
 568
 569         return FC_PARSE_OK;
 570 }
 571
 572 u16
 573 fc_abts_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id)
 574 {
 575         memcpy(fchs, &fc_bls_req_tmpl, sizeof(struct fchs_s));
 576         fchs->cat_info = FC_CAT_ABTS;
 577         fchs->d_id = (d_id);
 578         fchs->s_id = (s_id);
 579         fchs->ox_id = cpu_to_be16(ox_id);
 580
 581         return sizeof(struct fchs_s);
 582 }
 583
 584 enum fc_parse_status
 585 fc_abts_rsp_parse(struct fchs_s *fchs, int len)
 586 {
 587         if ((fchs->cat_info == FC_CAT_BA_ACC)
 588             || (fchs->cat_info == FC_CAT_BA_RJT))
 589                 return FC_PARSE_OK;
 590
 591         return FC_PARSE_FAILURE;
 592 }
 593
 594 u16
 595 fc_rrq_build(struct fchs_s *fchs, struct fc_rrq_s *rrq, u32 d_id, u32 s_id,
 596              u16 ox_id, u16 rrq_oxid)
 597 {
 598         fc_els_req_build(fchs, d_id, s_id, ox_id);
 599
 600         /*
 601          * build rrq payload
 602          */
 603         memcpy(rrq, &rrq_tmpl, sizeof(struct fc_rrq_s));
 604         rrq->s_id = (s_id);
 605         rrq->ox_id = cpu_to_be16(rrq_oxid);
 606         rrq->rx_id = FC_RXID_ANY;
 607
 608         return sizeof(struct fc_rrq_s);
 609 }
 610
 611 u16
 612 fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id,
 613                   __be16 ox_id)
 614 {
 615         struct fc_els_cmd_s *acc = pld;
 616
 617         fc_els_rsp_build(fchs, d_id, s_id, ox_id);
 618
 619         memset(acc, 0, sizeof(struct fc_els_cmd_s));
 620         acc->els_code = FC_ELS_ACC;
 621
 622         return sizeof(struct fc_els_cmd_s);
 623 }
 624
 625 u16
 626 fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt, u32 d_id,
 627                 u32 s_id, __be16 ox_id, u8 reason_code,
 628                 u8 reason_code_expl)
 629 {
 630         fc_els_rsp_build(fchs, d_id, s_id, ox_id);
 631         memset(ls_rjt, 0, sizeof(struct fc_ls_rjt_s));
 632
 633         ls_rjt->els_cmd.els_code = FC_ELS_LS_RJT;
 634         ls_rjt->reason_code = reason_code;
 635         ls_rjt->reason_code_expl = reason_code_expl;
 636         ls_rjt->vendor_unique = 0x00;
 637
 638         return sizeof(struct fc_ls_rjt_s);
 639 }
 640
 641 u16
 642 fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, u32 d_id,
 643                 u32 s_id, __be16 ox_id, u16 rx_id)
 644 {
 645         fc_bls_rsp_build(fchs, d_id, s_id, ox_id);
 646
 647         memcpy(ba_acc, &ba_acc_tmpl, sizeof(struct fc_ba_acc_s));
 648
 649         fchs->rx_id = rx_id;
 650
 651         ba_acc->ox_id = fchs->ox_id;
 652         ba_acc->rx_id = fchs->rx_id;
 653
 654         return sizeof(struct fc_ba_acc_s);
 655 }
 656
 657 u16
 658 fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd, u32 d_id,
 659                 u32 s_id, __be16 ox_id)
 660 {
 661         fc_els_rsp_build(fchs, d_id, s_id, ox_id);
 662         memset(els_cmd, 0, sizeof(struct fc_els_cmd_s));
 663         els_cmd->els_code = FC_ELS_ACC;
 664
 665         return sizeof(struct fc_els_cmd_s);
 666 }
 667
 668 int
 669 fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code)
 670 {
 671         int             num_pages = 0;
 672         struct fc_prlo_s *prlo;
 673         struct fc_tprlo_s *tprlo;
 674
 675         if (els_code == FC_ELS_PRLO) {
 676                 prlo = (struct fc_prlo_s *) (fc_frame + 1);
 677                 num_pages = (be16_to_cpu(prlo->payload_len) - 4) / 16;
 678         } else {
 679                 tprlo = (struct fc_tprlo_s *) (fc_frame + 1);
 680                 num_pages = (be16_to_cpu(tprlo->payload_len) - 4) / 16;
 681         }
 682         return num_pages;
 683 }
 684
 685 u16
 686 fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc,
 687                 u32 d_id, u32 s_id, __be16 ox_id, int num_pages)
 688 {
 689         int             page;
 690
 691         fc_els_rsp_build(fchs, d_id, s_id, ox_id);
 692
 693         memset(tprlo_acc, 0, (num_pages * 16) + 4);
 694         tprlo_acc->command = FC_ELS_ACC;
 695
 696         tprlo_acc->page_len = 0x10;
 697         tprlo_acc->payload_len = cpu_to_be16((num_pages * 16) + 4);
 698
 699         for (page = 0; page < num_pages; page++) {
 700                 tprlo_acc->tprlo_acc_params[page].opa_valid = 0;
 701                 tprlo_acc->tprlo_acc_params[page].rpa_valid = 0;
 702                 tprlo_acc->tprlo_acc_params[page].fc4type_csp = FC_TYPE_FCP;
 703                 tprlo_acc->tprlo_acc_params[page].orig_process_assc = 0;
 704                 tprlo_acc->tprlo_acc_params[page].resp_process_assc = 0;
 705         }
 706         return be16_to_cpu(tprlo_acc->payload_len);
 707 }
 708
 709 u16
 710 fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc, u32 d_id,
 711                   u32 s_id, __be16 ox_id, int num_pages)
 712 {
 713         int             page;
 714
 715         fc_els_rsp_build(fchs, d_id, s_id, ox_id);
 716
 717         memset(prlo_acc, 0, (num_pages * 16) + 4);
 718         prlo_acc->command = FC_ELS_ACC;
 719         prlo_acc->page_len = 0x10;
 720         prlo_acc->payload_len = cpu_to_be16((num_pages * 16) + 4);
 721
 722         for (page = 0; page < num_pages; page++) {
 723                 prlo_acc->prlo_acc_params[page].opa_valid = 0;
 724                 prlo_acc->prlo_acc_params[page].rpa_valid = 0;
 725                 prlo_acc->prlo_acc_params[page].fc4type_csp = FC_TYPE_FCP;
 726                 prlo_acc->prlo_acc_params[page].orig_process_assc = 0;
 727                 prlo_acc->prlo_acc_params[page].resp_process_assc = 0;
 728         }
 729
 730         return be16_to_cpu(prlo_acc->payload_len);
 731 }
 732
 733 u16
 734 fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid, u32 d_id,
 735                 u32 s_id, u16 ox_id, u32 data_format)
 736 {
 737         fc_els_req_build(fchs, d_id, s_id, ox_id);
 738
 739         memset(rnid, 0, sizeof(struct fc_rnid_cmd_s));
 740
 741         rnid->els_cmd.els_code = FC_ELS_RNID;
 742         rnid->node_id_data_format = data_format;
 743
 744         return sizeof(struct fc_rnid_cmd_s);
 745 }
 746
 747 u16
 748 fc_rnid_acc_build(struct fchs_s *fchs, struct fc_rnid_acc_s *rnid_acc, u32 d_id,
 749                   u32 s_id, __be16 ox_id, u32 data_format,
 750                   struct fc_rnid_common_id_data_s *common_id_data,
 751                   struct fc_rnid_general_topology_data_s *gen_topo_data)
 752 {
 753         memset(rnid_acc, 0, sizeof(struct fc_rnid_acc_s));
 754
 755         fc_els_rsp_build(fchs, d_id, s_id, ox_id);
 756
 757         rnid_acc->els_cmd.els_code = FC_ELS_ACC;
 758         rnid_acc->node_id_data_format = data_format;
 759         rnid_acc->common_id_data_length =
 760                         sizeof(struct fc_rnid_common_id_data_s);
 761         rnid_acc->common_id_data = *common_id_data;
 762
 763         if (data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
 764                 rnid_acc->specific_id_data_length =
 765                         sizeof(struct fc_rnid_general_topology_data_s);
 766                 rnid_acc->gen_topology_data = *gen_topo_data;
 767                 return sizeof(struct fc_rnid_acc_s);
 768         } else {
 769                 return sizeof(struct fc_rnid_acc_s) -
 770                         sizeof(struct fc_rnid_general_topology_data_s);
 771         }
 772
 773 }
 774
 775 u16
 776 fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc, u32 d_id,
 777                 u32 s_id, u16 ox_id)
 778 {
 779         fc_els_req_build(fchs, d_id, s_id, ox_id);
 780
 781         memset(rpsc, 0, sizeof(struct fc_rpsc_cmd_s));
 782
 783         rpsc->els_cmd.els_code = FC_ELS_RPSC;
 784         return sizeof(struct fc_rpsc_cmd_s);
 785 }
 786
 787 u16
 788 fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rpsc2, u32 d_id,
 789                 u32 s_id, u32 *pid_list, u16 npids)
 790 {
 791         u32 dctlr_id = FC_DOMAIN_CTRLR(bfa_hton3b(d_id));
 792         int i = 0;
 793
 794         fc_els_req_build(fchs, bfa_hton3b(dctlr_id), s_id, 0);
 795
 796         memset(rpsc2, 0, sizeof(struct fc_rpsc2_cmd_s));
 797
 798         rpsc2->els_cmd.els_code = FC_ELS_RPSC;
 799         rpsc2->token = cpu_to_be32(FC_BRCD_TOKEN);
 800         rpsc2->num_pids  = cpu_to_be16(npids);
 801         for (i = 0; i < npids; i++)
 802                 rpsc2->pid_list[i].pid = pid_list[i];
 803
 804         return sizeof(struct fc_rpsc2_cmd_s) + ((npids - 1) * (sizeof(u32)));
 805 }
 806
 807 u16
 808 fc_rpsc_acc_build(struct fchs_s *fchs, struct fc_rpsc_acc_s *rpsc_acc,
 809                 u32 d_id, u32 s_id, __be16 ox_id,
 810                   struct fc_rpsc_speed_info_s *oper_speed)
 811 {
 812         memset(rpsc_acc, 0, sizeof(struct fc_rpsc_acc_s));
 813
 814         fc_els_rsp_build(fchs, d_id, s_id, ox_id);
 815
 816         rpsc_acc->command = FC_ELS_ACC;
 817         rpsc_acc->num_entries = cpu_to_be16(1);
 818
 819         rpsc_acc->speed_info[0].port_speed_cap =
 820                 cpu_to_be16(oper_speed->port_speed_cap);
 821
 822         rpsc_acc->speed_info[0].port_op_speed =
 823                 cpu_to_be16(oper_speed->port_op_speed);
 824
 825         return sizeof(struct fc_rpsc_acc_s);
 826 }
 827
 828 u16
 829 fc_logo_rsp_parse(struct fchs_s *fchs, int len)
 830 {
 831         struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
 832
 833         len = len;
 834         if (els_cmd->els_code != FC_ELS_ACC)
 835                 return FC_PARSE_FAILURE;
 836
 837         return FC_PARSE_OK;
 838 }
 839
 840 u16
 841 fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id,
 842                wwn_t port_name, wwn_t node_name, u16 pdu_size)
 843 {
 844         struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1);
 845
 846         memcpy(pdisc, &plogi_tmpl, sizeof(struct fc_logi_s));
 847
 848         pdisc->els_cmd.els_code = FC_ELS_PDISC;
 849         fc_els_req_build(fchs, d_id, s_id, ox_id);
 850
 851         pdisc->csp.rxsz = pdisc->class3.rxsz = cpu_to_be16(pdu_size);
 852         pdisc->port_name = port_name;
 853         pdisc->node_name = node_name;
 854
 855         return sizeof(struct fc_logi_s);
 856 }
 857
 858 u16
 859 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name)
 860 {
 861         struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1);
 862
 863         if (len < sizeof(struct fc_logi_s))
 864                 return FC_PARSE_LEN_INVAL;
 865
 866         if (pdisc->els_cmd.els_code != FC_ELS_ACC)
 867                 return FC_PARSE_ACC_INVAL;
 868
 869         if (!wwn_is_equal(pdisc->port_name, port_name))
 870                 return FC_PARSE_PWWN_NOT_EQUAL;
 871
 872         if (!pdisc->class3.class_valid)
 873                 return FC_PARSE_NWWN_NOT_EQUAL;
 874
 875         if (be16_to_cpu(pdisc->class3.rxsz) < (FC_MIN_PDUSZ))
 876                 return FC_PARSE_RXSZ_INVAL;
 877
 878         return FC_PARSE_OK;
 879 }
 880
 881 u16
 882 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id,
 883               int num_pages)
 884 {
 885         struct fc_prlo_s *prlo = (struct fc_prlo_s *) (fchs + 1);
 886         int             page;
 887
 888         fc_els_req_build(fchs, d_id, s_id, ox_id);
 889         memset(prlo, 0, (num_pages * 16) + 4);
 890         prlo->command = FC_ELS_PRLO;
 891         prlo->page_len = 0x10;
 892         prlo->payload_len = cpu_to_be16((num_pages * 16) + 4);
 893
 894         for (page = 0; page < num_pages; page++) {
 895                 prlo->prlo_params[page].type = FC_TYPE_FCP;
 896                 prlo->prlo_params[page].opa_valid = 0;
 897                 prlo->prlo_params[page].rpa_valid = 0;
 898                 prlo->prlo_params[page].orig_process_assc = 0;
 899                 prlo->prlo_params[page].resp_process_assc = 0;
 900         }
 901
 902         return be16_to_cpu(prlo->payload_len);
 903 }
 904
 905 u16
 906 fc_prlo_rsp_parse(struct fchs_s *fchs, int len)
 907 {
 908         struct fc_prlo_acc_s *prlo = (struct fc_prlo_acc_s *) (fchs + 1);
 909         int             num_pages = 0;
 910         int             page = 0;
 911
 912         len = len;
 913
 914         if (prlo->command != FC_ELS_ACC)
 915                 return FC_PARSE_FAILURE;
 916
 917         num_pages = ((be16_to_cpu(prlo->payload_len)) - 4) / 16;
 918
 919         for (page = 0; page < num_pages; page++) {
 920                 if (prlo->prlo_acc_params[page].type != FC_TYPE_FCP)
 921                         return FC_PARSE_FAILURE;
 922
 923                 if (prlo->prlo_acc_params[page].opa_valid != 0)
 924                         return FC_PARSE_FAILURE;
 925
 926                 if (prlo->prlo_acc_params[page].rpa_valid != 0)
 927                         return FC_PARSE_FAILURE;
 928
 929                 if (prlo->prlo_acc_params[page].orig_process_assc != 0)
 930                         return FC_PARSE_FAILURE;
 931
 932                 if (prlo->prlo_acc_params[page].resp_process_assc != 0)
 933                         return FC_PARSE_FAILURE;
 934         }
 935         return FC_PARSE_OK;
 936
 937 }
 938
 939 u16
 940 fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id,
 941                int num_pages, enum fc_tprlo_type tprlo_type, u32 tpr_id)
 942 {
 943         struct fc_tprlo_s *tprlo = (struct fc_tprlo_s *) (fchs + 1);
 944         int             page;
 945
 946         fc_els_req_build(fchs, d_id, s_id, ox_id);
 947         memset(tprlo, 0, (num_pages * 16) + 4);
 948         tprlo->command = FC_ELS_TPRLO;
 949         tprlo->page_len = 0x10;
 950         tprlo->payload_len = cpu_to_be16((num_pages * 16) + 4);
 951
 952         for (page = 0; page < num_pages; page++) {
 953                 tprlo->tprlo_params[page].type = FC_TYPE_FCP;
 954                 tprlo->tprlo_params[page].opa_valid = 0;
 955                 tprlo->tprlo_params[page].rpa_valid = 0;
 956                 tprlo->tprlo_params[page].orig_process_assc = 0;
 957                 tprlo->tprlo_params[page].resp_process_assc = 0;
 958                 if (tprlo_type == FC_GLOBAL_LOGO) {
 959                         tprlo->tprlo_params[page].global_process_logout = 1;
 960                 } else if (tprlo_type == FC_TPR_LOGO) {
 961                         tprlo->tprlo_params[page].tpo_nport_valid = 1;
 962                         tprlo->tprlo_params[page].tpo_nport_id = (tpr_id);
 963                 }
 964         }
 965
 966         return be16_to_cpu(tprlo->payload_len);
 967 }
 968
 969 u16
 970 fc_tprlo_rsp_parse(struct fchs_s *fchs, int len)
 971 {
 972         struct fc_tprlo_acc_s *tprlo = (struct fc_tprlo_acc_s *) (fchs + 1);
 973         int             num_pages = 0;
 974         int             page = 0;
 975
 976         len = len;
 977
 978         if (tprlo->command != FC_ELS_ACC)
 979                 return FC_PARSE_ACC_INVAL;
 980
 981         num_pages = (be16_to_cpu(tprlo->payload_len) - 4) / 16;
 982
 983         for (page = 0; page < num_pages; page++) {
 984                 if (tprlo->tprlo_acc_params[page].type != FC_TYPE_FCP)
 985                         return FC_PARSE_NOT_FCP;
 986                 if (tprlo->tprlo_acc_params[page].opa_valid != 0)
 987                         return FC_PARSE_OPAFLAG_INVAL;
 988                 if (tprlo->tprlo_acc_params[page].rpa_valid != 0)
 989                         return FC_PARSE_RPAFLAG_INVAL;
 990                 if (tprlo->tprlo_acc_params[page].orig_process_assc != 0)
 991                         return FC_PARSE_OPA_INVAL;
 992                 if (tprlo->tprlo_acc_params[page].resp_process_assc != 0)
 993                         return FC_PARSE_RPA_INVAL;
 994         }
 995         return FC_PARSE_OK;
 996 }
 997
 998 enum fc_parse_status
 999 fc_rrq_rsp_parse(struct fchs_s *fchs, int len)
1000 {
1001         struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
1002
1003         len = len;
1004         if (els_cmd->els_code != FC_ELS_ACC)
1005                 return FC_PARSE_FAILURE;
1006
1007         return FC_PARSE_OK;
1008 }
1009
1010 u16
1011 fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id, __be16 ox_id,
1012                 u32 reason_code, u32 reason_expl)
1013 {
1014         struct fc_ba_rjt_s *ba_rjt = (struct fc_ba_rjt_s *) (fchs + 1);
1015
1016         fc_bls_rsp_build(fchs, d_id, s_id, ox_id);
1017
1018         fchs->cat_info = FC_CAT_BA_RJT;
1019         ba_rjt->reason_code = reason_code;
1020         ba_rjt->reason_expl = reason_expl;
1021         return sizeof(struct fc_ba_rjt_s);
1022 }
1023
1024 static void
1025 fc_gs_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code)
1026 {
1027         memset(cthdr, 0, sizeof(struct ct_hdr_s));
1028         cthdr->rev_id = CT_GS3_REVISION;
1029         cthdr->gs_type = CT_GSTYPE_DIRSERVICE;
1030         cthdr->gs_sub_type = CT_GSSUBTYPE_NAMESERVER;
1031         cthdr->cmd_rsp_code = cpu_to_be16(cmd_code);
1032 }
1033
1034 static void
1035 fc_gs_fdmi_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code)
1036 {
1037         memset(cthdr, 0, sizeof(struct ct_hdr_s));
1038         cthdr->rev_id = CT_GS3_REVISION;
1039         cthdr->gs_type = CT_GSTYPE_MGMTSERVICE;
1040         cthdr->gs_sub_type = CT_GSSUBTYPE_HBA_MGMTSERVER;
1041         cthdr->cmd_rsp_code = cpu_to_be16(cmd_code);
1042 }
1043
1044 static void
1045 fc_gs_ms_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code,
1046                                          u8 sub_type)
1047 {
1048         memset(cthdr, 0, sizeof(struct ct_hdr_s));
1049         cthdr->rev_id = CT_GS3_REVISION;
1050         cthdr->gs_type = CT_GSTYPE_MGMTSERVICE;
1051         cthdr->gs_sub_type = sub_type;
1052         cthdr->cmd_rsp_code = cpu_to_be16(cmd_code);
1053 }
1054
1055 u16
1056 fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1057                wwn_t port_name)
1058 {
1059         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1060         struct fcgs_gidpn_req_s *gidpn = (struct fcgs_gidpn_req_s *)(cthdr + 1);
1061         u32        d_id = bfa_hton3b(FC_NAME_SERVER);
1062
1063         fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1064         fc_gs_cthdr_build(cthdr, s_id, GS_GID_PN);
1065
1066         memset(gidpn, 0, sizeof(struct fcgs_gidpn_req_s));
1067         gidpn->port_name = port_name;
1068         return sizeof(struct fcgs_gidpn_req_s) + sizeof(struct ct_hdr_s);
1069 }
1070
1071 u16
1072 fc_gpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1073                u32 port_id)
1074 {
1075         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1076         fcgs_gpnid_req_t *gpnid = (fcgs_gpnid_req_t *) (cthdr + 1);
1077         u32        d_id = bfa_hton3b(FC_NAME_SERVER);
1078
1079         fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1080         fc_gs_cthdr_build(cthdr, s_id, GS_GPN_ID);
1081
1082         memset(gpnid, 0, sizeof(fcgs_gpnid_req_t));
1083         gpnid->dap = port_id;
1084         return sizeof(fcgs_gpnid_req_t) + sizeof(struct ct_hdr_s);
1085 }
1086
1087 u16
1088 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1089                u32 port_id)
1090 {
1091         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1092         fcgs_gnnid_req_t *gnnid = (fcgs_gnnid_req_t *) (cthdr + 1);
1093         u32        d_id = bfa_hton3b(FC_NAME_SERVER);
1094
1095         fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1096         fc_gs_cthdr_build(cthdr, s_id, GS_GNN_ID);
1097
1098         memset(gnnid, 0, sizeof(fcgs_gnnid_req_t));
1099         gnnid->dap = port_id;
1100         return sizeof(fcgs_gnnid_req_t) + sizeof(struct ct_hdr_s);
1101 }
1102
1103 u16
1104 fc_ct_rsp_parse(struct ct_hdr_s *cthdr)
1105 {
1106         if (be16_to_cpu(cthdr->cmd_rsp_code) != CT_RSP_ACCEPT) {
1107                 if (cthdr->reason_code == CT_RSN_LOGICAL_BUSY)
1108                         return FC_PARSE_BUSY;
1109                 else
1110                         return FC_PARSE_FAILURE;
1111         }
1112
1113         return FC_PARSE_OK;
1114 }
1115
1116 u16
1117 fc_gs_rjt_build(struct fchs_s *fchs,  struct ct_hdr_s *cthdr,
1118                 u32 d_id, u32 s_id, u16 ox_id, u8 reason_code,
1119                 u8 reason_code_expl)
1120 {
1121         fc_gsresp_fchdr_build(fchs, d_id, s_id, ox_id);
1122
1123         cthdr->cmd_rsp_code = cpu_to_be16(CT_RSP_REJECT);
1124         cthdr->rev_id = CT_GS3_REVISION;
1125
1126         cthdr->reason_code = reason_code;
1127         cthdr->exp_code    = reason_code_expl;
1128         return sizeof(struct ct_hdr_s);
1129 }
1130
1131 u16
1132 fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr,
1133                 u8 set_br_reg, u32 s_id, u16 ox_id)
1134 {
1135         u32        d_id = bfa_hton3b(FC_FABRIC_CONTROLLER);
1136
1137         fc_els_req_build(fchs, d_id, s_id, ox_id);
1138
1139         memset(scr, 0, sizeof(struct fc_scr_s));
1140         scr->command = FC_ELS_SCR;
1141         scr->reg_func = FC_SCR_REG_FUNC_FULL;
1142         if (set_br_reg)
1143                 scr->vu_reg_func = FC_VU_SCR_REG_FUNC_FABRIC_NAME_CHANGE;
1144
1145         return sizeof(struct fc_scr_s);
1146 }
1147
1148 u16
1149 fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn,
1150                 u32 s_id, u16 ox_id)
1151 {
1152         u32        d_id = bfa_hton3b(FC_FABRIC_CONTROLLER);
1153         u16        payldlen;
1154
1155         fc_els_req_build(fchs, d_id, s_id, ox_id);
1156         rscn->command = FC_ELS_RSCN;
1157         rscn->pagelen = sizeof(rscn->event[0]);
1158
1159         payldlen = sizeof(u32) + rscn->pagelen;
1160         rscn->payldlen = cpu_to_be16(payldlen);
1161
1162         rscn->event[0].format = FC_RSCN_FORMAT_PORTID;
1163         rscn->event[0].portid = s_id;
1164
1165         return sizeof(struct fc_rscn_pl_s);
1166 }
1167
1168 u16
1169 fc_rftid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1170                enum bfa_lport_role roles)
1171 {
1172         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1173         struct fcgs_rftid_req_s *rftid = (struct fcgs_rftid_req_s *)(cthdr + 1);
1174         u32        type_value, d_id = bfa_hton3b(FC_NAME_SERVER);
1175         u8         index;
1176
1177         fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1178         fc_gs_cthdr_build(cthdr, s_id, GS_RFT_ID);
1179
1180         memset(rftid, 0, sizeof(struct fcgs_rftid_req_s));
1181
1182         rftid->dap = s_id;
1183
1184         /* By default, FCP FC4 Type is registered */
1185         index = FC_TYPE_FCP >> 5;
1186         type_value = 1 << (FC_TYPE_FCP % 32);
1187         rftid->fc4_type[index] = cpu_to_be32(type_value);
1188
1189         return sizeof(struct fcgs_rftid_req_s) + sizeof(struct ct_hdr_s);
1190 }
1191
1192 u16
1193 fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1194                    u8 *fc4_bitmap, u32 bitmap_size)
1195 {
1196         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1197         struct fcgs_rftid_req_s *rftid = (struct fcgs_rftid_req_s *)(cthdr + 1);
1198         u32        d_id = bfa_hton3b(FC_NAME_SERVER);
1199
1200         fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1201         fc_gs_cthdr_build(cthdr, s_id, GS_RFT_ID);
1202
1203         memset(rftid, 0, sizeof(struct fcgs_rftid_req_s));
1204
1205         rftid->dap = s_id;
1206         memcpy((void *)rftid->fc4_type, (void *)fc4_bitmap,
1207                 (bitmap_size < 32 ? bitmap_size : 32));
1208
1209         return sizeof(struct fcgs_rftid_req_s) + sizeof(struct ct_hdr_s);
1210 }
1211
1212 u16
1213 fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1214                u8 fc4_type, u8 fc4_ftrs)
1215 {
1216         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1217         struct fcgs_rffid_req_s *rffid = (struct fcgs_rffid_req_s *)(cthdr + 1);
1218         u32         d_id = bfa_hton3b(FC_NAME_SERVER);
1219
1220         fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1221         fc_gs_cthdr_build(cthdr, s_id, GS_RFF_ID);
1222
1223         memset(rffid, 0, sizeof(struct fcgs_rffid_req_s));
1224
1225         rffid->dap          = s_id;
1226         rffid->fc4ftr_bits  = fc4_ftrs;
1227         rffid->fc4_type     = fc4_type;
1228
1229         return sizeof(struct fcgs_rffid_req_s) + sizeof(struct ct_hdr_s);
1230 }
1231
1232 u16
1233 fc_rspnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
1234                 u8 *name)
1235 {
1236
1237         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1238         struct fcgs_rspnid_req_s *rspnid =
1239                         (struct fcgs_rspnid_req_s *)(cthdr + 1);
1240         u32        d_id = bfa_hton3b(FC_NAME_SERVER);
1241
1242         fc_gs_fchdr_build(fchs, d_id, s_id, ox_id);
1243         fc_gs_cthdr_build(cthdr, s_id, GS_RSPN_ID);
1244
1245         memset(rspnid, 0, sizeof(struct fcgs_rspnid_req_s));
1246
1247         rspnid->dap = s_id;
1248         rspnid->spn_len = (u8) strlen((char *)name);
1249         strncpy((char *)rspnid->spn, (char *)name, rspnid->spn_len);
1250
1251         return sizeof(struct fcgs_rspnid_req_s) + sizeof(struct ct_hdr_s);
1252 }
1253
1254 u16
1255 fc_gid_ft_build(struct fchs_s *fchs, void *pyld, u32 s_id, u8 fc4_type)
1256 {
1257
1258         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1259         struct fcgs_gidft_req_s *gidft = (struct fcgs_gidft_req_s *)(cthdr + 1);
1260         u32        d_id = bfa_hton3b(FC_NAME_SERVER);
1261
1262         fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1263
1264         fc_gs_cthdr_build(cthdr, s_id, GS_GID_FT);
1265
1266         memset(gidft, 0, sizeof(struct fcgs_gidft_req_s));
1267         gidft->fc4_type = fc4_type;
1268         gidft->domain_id = 0;
1269         gidft->area_id = 0;
1270
1271         return sizeof(struct fcgs_gidft_req_s) + sizeof(struct ct_hdr_s);
1272 }
1273
1274 u16
1275 fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id,
1276                wwn_t port_name)
1277 {
1278         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1279         struct fcgs_rpnid_req_s *rpnid = (struct fcgs_rpnid_req_s *)(cthdr + 1);
1280         u32        d_id = bfa_hton3b(FC_NAME_SERVER);
1281
1282         fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1283         fc_gs_cthdr_build(cthdr, s_id, GS_RPN_ID);
1284
1285         memset(rpnid, 0, sizeof(struct fcgs_rpnid_req_s));
1286         rpnid->port_id = port_id;
1287         rpnid->port_name = port_name;
1288
1289         return sizeof(struct fcgs_rpnid_req_s) + sizeof(struct ct_hdr_s);
1290 }
1291
1292 u16
1293 fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id,
1294                wwn_t node_name)
1295 {
1296         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1297         struct fcgs_rnnid_req_s *rnnid = (struct fcgs_rnnid_req_s *)(cthdr + 1);
1298         u32        d_id = bfa_hton3b(FC_NAME_SERVER);
1299
1300         fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1301         fc_gs_cthdr_build(cthdr, s_id, GS_RNN_ID);
1302
1303         memset(rnnid, 0, sizeof(struct fcgs_rnnid_req_s));
1304         rnnid->port_id = port_id;
1305         rnnid->node_name = node_name;
1306
1307         return sizeof(struct fcgs_rnnid_req_s) + sizeof(struct ct_hdr_s);
1308 }
1309
1310 u16
1311 fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id,
1312                u32 cos)
1313 {
1314         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1315         struct fcgs_rcsid_req_s *rcsid =
1316                         (struct fcgs_rcsid_req_s *) (cthdr + 1);
1317         u32        d_id = bfa_hton3b(FC_NAME_SERVER);
1318
1319         fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1320         fc_gs_cthdr_build(cthdr, s_id, GS_RCS_ID);
1321
1322         memset(rcsid, 0, sizeof(struct fcgs_rcsid_req_s));
1323         rcsid->port_id = port_id;
1324         rcsid->cos = cos;
1325
1326         return sizeof(struct fcgs_rcsid_req_s) + sizeof(struct ct_hdr_s);
1327 }
1328
1329 u16
1330 fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id,
1331                u8 port_type)
1332 {
1333         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1334         struct fcgs_rptid_req_s *rptid = (struct fcgs_rptid_req_s *)(cthdr + 1);
1335         u32        d_id = bfa_hton3b(FC_NAME_SERVER);
1336
1337         fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1338         fc_gs_cthdr_build(cthdr, s_id, GS_RPT_ID);
1339
1340         memset(rptid, 0, sizeof(struct fcgs_rptid_req_s));
1341         rptid->port_id = port_id;
1342         rptid->port_type = port_type;
1343
1344         return sizeof(struct fcgs_rptid_req_s) + sizeof(struct ct_hdr_s);
1345 }
1346
1347 u16
1348 fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id)
1349 {
1350         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1351         struct fcgs_ganxt_req_s *ganxt = (struct fcgs_ganxt_req_s *)(cthdr + 1);
1352         u32        d_id = bfa_hton3b(FC_NAME_SERVER);
1353
1354         fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1355         fc_gs_cthdr_build(cthdr, s_id, GS_GA_NXT);
1356
1357         memset(ganxt, 0, sizeof(struct fcgs_ganxt_req_s));
1358         ganxt->port_id = port_id;
1359
1360         return sizeof(struct ct_hdr_s) + sizeof(struct fcgs_ganxt_req_s);
1361 }
1362
1363 /*
1364  * Builds fc hdr and ct hdr for FDMI requests.
1365  */
1366 u16
1367 fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id,
1368                      u16 cmd_code)
1369 {
1370
1371         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1372         u32        d_id = bfa_hton3b(FC_MGMT_SERVER);
1373
1374         fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1375         fc_gs_fdmi_cthdr_build(cthdr, s_id, cmd_code);
1376
1377         return sizeof(struct ct_hdr_s);
1378 }
1379
1380 /*
1381  * Given a FC4 Type, this function returns a fc4 type bitmask
1382  */
1383 void
1384 fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask)
1385 {
1386         u8         index;
1387         __be32       *ptr = (__be32 *) bit_mask;
1388         u32        type_value;
1389
1390         /*
1391          * @todo : Check for bitmask size
1392          */
1393
1394         index = fc4_type >> 5;
1395         type_value = 1 << (fc4_type % 32);
1396         ptr[index] = cpu_to_be32(type_value);
1397
1398 }
1399
1400 /*
1401  *      GMAL Request
1402  */
1403 u16
1404 fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn)
1405 {
1406         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1407         fcgs_gmal_req_t *gmal = (fcgs_gmal_req_t *) (cthdr + 1);
1408         u32        d_id = bfa_hton3b(FC_MGMT_SERVER);
1409
1410         fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1411         fc_gs_ms_cthdr_build(cthdr, s_id, GS_FC_GMAL_CMD,
1412                         CT_GSSUBTYPE_CFGSERVER);
1413
1414         memset(gmal, 0, sizeof(fcgs_gmal_req_t));
1415         gmal->wwn = wwn;
1416
1417         return sizeof(struct ct_hdr_s) + sizeof(fcgs_gmal_req_t);
1418 }
1419
1420 /*
1421  * GFN (Get Fabric Name) Request
1422  */
1423 u16
1424 fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn)
1425 {
1426         struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld;
1427         fcgs_gfn_req_t *gfn = (fcgs_gfn_req_t *) (cthdr + 1);
1428         u32        d_id = bfa_hton3b(FC_MGMT_SERVER);
1429
1430         fc_gs_fchdr_build(fchs, d_id, s_id, 0);
1431         fc_gs_ms_cthdr_build(cthdr, s_id, GS_FC_GFN_CMD,
1432                         CT_GSSUBTYPE_CFGSERVER);
1433
1434         memset(gfn, 0, sizeof(fcgs_gfn_req_t));
1435         gfn->wwn = wwn;
1436
1437         return sizeof(struct ct_hdr_s) + sizeof(fcgs_gfn_req_t);
1438 }