drivers/scsi/bfa/bfa_fcs_lport.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
   4  * Copyright (c) 2014- QLogic Corporation.
   5  * All rights reserved
   6  * www.qlogic.com
   7  *
   8  * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
   9  */
  10
  11 #include "bfad_drv.h"
  12 #include "bfad_im.h"
  13 #include "bfa_fcs.h"
  14 #include "bfa_fcbuild.h"
  15 #include "bfa_fc.h"
  16
  17 BFA_TRC_FILE(FCS, PORT);
  18
  19 /*
  20  * ALPA to LIXA bitmap mapping
  21  *
  22  * ALPA 0x00 (Word 0, Bit 30) is invalid for N_Ports. Also Word 0 Bit 31
  23  * is for L_bit (login required) and is filled as ALPA 0x00 here.
  24  */
  25 static const u8 loop_alpa_map[] = {
  26         0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x0F, 0x10, /* Word 0 Bits 31..24 */
  27         0x17, 0x18, 0x1B, 0x1D, 0x1E, 0x1F, 0x23, 0x25, /* Word 0 Bits 23..16 */
  28         0x26, 0x27, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, /* Word 0 Bits 15..08 */
  29         0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x39, 0x3A, /* Word 0 Bits 07..00 */
  30
  31         0x3C, 0x43, 0x45, 0x46, 0x47, 0x49, 0x4A, 0x4B, /* Word 1 Bits 31..24 */
  32         0x4C, 0x4D, 0x4E, 0x51, 0x52, 0x53, 0x54, 0x55, /* Word 1 Bits 23..16 */
  33         0x56, 0x59, 0x5A, 0x5C, 0x63, 0x65, 0x66, 0x67, /* Word 1 Bits 15..08 */
  34         0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x71, 0x72, /* Word 1 Bits 07..00 */
  35
  36         0x73, 0x74, 0x75, 0x76, 0x79, 0x7A, 0x7C, 0x80, /* Word 2 Bits 31..24 */
  37         0x81, 0x82, 0x84, 0x88, 0x8F, 0x90, 0x97, 0x98, /* Word 2 Bits 23..16 */
  38         0x9B, 0x9D, 0x9E, 0x9F, 0xA3, 0xA5, 0xA6, 0xA7, /* Word 2 Bits 15..08 */
  39         0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xB1, 0xB2, /* Word 2 Bits 07..00 */
  40
  41         0xB3, 0xB4, 0xB5, 0xB6, 0xB9, 0xBA, 0xBC, 0xC3, /* Word 3 Bits 31..24 */
  42         0xC5, 0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, /* Word 3 Bits 23..16 */
  43         0xCE, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD9, /* Word 3 Bits 15..08 */
  44         0xDA, 0xDC, 0xE0, 0xE1, 0xE2, 0xE4, 0xE8, 0xEF, /* Word 3 Bits 07..00 */
  45 };
  46
  47 static void     bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
  48                                          struct fchs_s *rx_fchs, u8 reason_code,
  49                                          u8 reason_code_expl);
  50 static void     bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
  51                         struct fchs_s *rx_fchs, struct fc_logi_s *plogi);
  52 static void     bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port);
  53 static void     bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port);
  54 static void     bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port);
  55 static void     bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port);
  56 static void     bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port);
  57 static void     bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port);
  58 static void     bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port,
  59                         struct fchs_s *rx_fchs,
  60                         struct fc_echo_s *echo, u16 len);
  61 static void     bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port,
  62                         struct fchs_s *rx_fchs,
  63                         struct fc_rnid_cmd_s *rnid, u16 len);
  64 static void     bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
  65                         struct fc_rnid_general_topology_data_s *gen_topo_data);
  66
  67 static void     bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port);
  68 static void     bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port);
  69 static void     bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port);
  70
  71 static void     bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
  72 static void     bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
  73 static void     bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);
  74
  75 static void     bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port);
  76 static void     bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port);
  77 static void     bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port);
  78
  79 static struct {
  80         void            (*init) (struct bfa_fcs_lport_s *port);
  81         void            (*online) (struct bfa_fcs_lport_s *port);
  82         void            (*offline) (struct bfa_fcs_lport_s *port);
  83 } __port_action[] = {
  84         [BFA_FCS_FABRIC_UNKNOWN] = {
  85                 .init = bfa_fcs_lport_unknown_init,
  86                 .online = bfa_fcs_lport_unknown_online,
  87                 .offline = bfa_fcs_lport_unknown_offline
  88         },
  89         [BFA_FCS_FABRIC_SWITCHED] = {
  90                 .init = bfa_fcs_lport_fab_init,
  91                 .online = bfa_fcs_lport_fab_online,
  92                 .offline = bfa_fcs_lport_fab_offline
  93         },
  94         [BFA_FCS_FABRIC_N2N] = {
  95                 .init = bfa_fcs_lport_n2n_init,
  96                 .online = bfa_fcs_lport_n2n_online,
  97                 .offline = bfa_fcs_lport_n2n_offline
  98         },
  99         [BFA_FCS_FABRIC_LOOP] = {
 100                 .init = bfa_fcs_lport_loop_init,
 101                 .online = bfa_fcs_lport_loop_online,
 102                 .offline = bfa_fcs_lport_loop_offline
 103         },
 104 };
 105
 106 /*
 107  *  fcs_port_sm FCS logical port state machine
 108  */
 109
 110 enum bfa_fcs_lport_event {
 111         BFA_FCS_PORT_SM_CREATE = 1,
 112         BFA_FCS_PORT_SM_ONLINE = 2,
 113         BFA_FCS_PORT_SM_OFFLINE = 3,
 114         BFA_FCS_PORT_SM_DELETE = 4,
 115         BFA_FCS_PORT_SM_DELRPORT = 5,
 116         BFA_FCS_PORT_SM_STOP = 6,
 117 };
 118
 119 static void     bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s *port,
 120                                         enum bfa_fcs_lport_event event);
 121 static void     bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
 122                                         enum bfa_fcs_lport_event event);
 123 static void     bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port,
 124                                         enum bfa_fcs_lport_event event);
 125 static void     bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port,
 126                                         enum bfa_fcs_lport_event event);
 127 static void     bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port,
 128                                         enum bfa_fcs_lport_event event);
 129 static void     bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
 130                                         enum bfa_fcs_lport_event event);
 131
 132 static void
 133 bfa_fcs_lport_sm_uninit(
 134         struct bfa_fcs_lport_s *port,
 135         enum bfa_fcs_lport_event event)
 136 {
 137         bfa_trc(port->fcs, port->port_cfg.pwwn);
 138         bfa_trc(port->fcs, event);
 139
 140         switch (event) {
 141         case BFA_FCS_PORT_SM_CREATE:
 142                 bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 143                 break;
 144
 145         default:
 146                 bfa_sm_fault(port->fcs, event);
 147         }
 148 }
 149
 150 static void
 151 bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
 152                         enum bfa_fcs_lport_event event)
 153 {
 154         bfa_trc(port->fcs, port->port_cfg.pwwn);
 155         bfa_trc(port->fcs, event);
 156
 157         switch (event) {
 158         case BFA_FCS_PORT_SM_ONLINE:
 159                 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
 160                 bfa_fcs_lport_online_actions(port);
 161                 break;
 162
 163         case BFA_FCS_PORT_SM_DELETE:
 164                 bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 165                 bfa_fcs_lport_deleted(port);
 166                 break;
 167
 168         case BFA_FCS_PORT_SM_STOP:
 169                 /* If vport - send completion call back */
 170                 if (port->vport)
 171                         bfa_fcs_vport_stop_comp(port->vport);
 172                 else
 173                         bfa_wc_down(&(port->fabric->stop_wc));
 174                 break;
 175
 176         case BFA_FCS_PORT_SM_OFFLINE:
 177                 break;
 178
 179         default:
 180                 bfa_sm_fault(port->fcs, event);
 181         }
 182 }
 183
 184 static void
 185 bfa_fcs_lport_sm_online(
 186         struct bfa_fcs_lport_s *port,
 187         enum bfa_fcs_lport_event event)
 188 {
 189         struct bfa_fcs_rport_s *rport;
 190         struct list_head                *qe, *qen;
 191
 192         bfa_trc(port->fcs, port->port_cfg.pwwn);
 193         bfa_trc(port->fcs, event);
 194
 195         switch (event) {
 196         case BFA_FCS_PORT_SM_OFFLINE:
 197                 bfa_sm_set_state(port, bfa_fcs_lport_sm_offline);
 198                 bfa_fcs_lport_offline_actions(port);
 199                 break;
 200
 201         case BFA_FCS_PORT_SM_STOP:
 202                 __port_action[port->fabric->fab_type].offline(port);
 203
 204                 if (port->num_rports == 0) {
 205                         bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 206                         /* If vport - send completion call back */
 207                         if (port->vport)
 208                                 bfa_fcs_vport_stop_comp(port->vport);
 209                         else
 210                                 bfa_wc_down(&(port->fabric->stop_wc));
 211                 } else {
 212                         bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
 213                         list_for_each_safe(qe, qen, &port->rport_q) {
 214                                 rport = (struct bfa_fcs_rport_s *) qe;
 215                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 216                         }
 217                 }
 218                 break;
 219
 220         case BFA_FCS_PORT_SM_DELETE:
 221
 222                 __port_action[port->fabric->fab_type].offline(port);
 223
 224                 if (port->num_rports == 0) {
 225                         bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 226                         bfa_fcs_lport_deleted(port);
 227                 } else {
 228                         bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
 229                         list_for_each_safe(qe, qen, &port->rport_q) {
 230                                 rport = (struct bfa_fcs_rport_s *) qe;
 231                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 232                         }
 233                 }
 234                 break;
 235
 236         case BFA_FCS_PORT_SM_DELRPORT:
 237                 break;
 238
 239         default:
 240                 bfa_sm_fault(port->fcs, event);
 241         }
 242 }
 243
 244 static void
 245 bfa_fcs_lport_sm_offline(
 246         struct bfa_fcs_lport_s *port,
 247         enum bfa_fcs_lport_event event)
 248 {
 249         struct bfa_fcs_rport_s *rport;
 250         struct list_head                *qe, *qen;
 251
 252         bfa_trc(port->fcs, port->port_cfg.pwwn);
 253         bfa_trc(port->fcs, event);
 254
 255         switch (event) {
 256         case BFA_FCS_PORT_SM_ONLINE:
 257                 bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
 258                 bfa_fcs_lport_online_actions(port);
 259                 break;
 260
 261         case BFA_FCS_PORT_SM_STOP:
 262                 if (port->num_rports == 0) {
 263                         bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 264                         /* If vport - send completion call back */
 265                         if (port->vport)
 266                                 bfa_fcs_vport_stop_comp(port->vport);
 267                         else
 268                                 bfa_wc_down(&(port->fabric->stop_wc));
 269                 } else {
 270                         bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
 271                         list_for_each_safe(qe, qen, &port->rport_q) {
 272                                 rport = (struct bfa_fcs_rport_s *) qe;
 273                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 274                         }
 275                 }
 276                 break;
 277
 278         case BFA_FCS_PORT_SM_DELETE:
 279                 if (port->num_rports == 0) {
 280                         bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 281                         bfa_fcs_lport_deleted(port);
 282                 } else {
 283                         bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
 284                         list_for_each_safe(qe, qen, &port->rport_q) {
 285                                 rport = (struct bfa_fcs_rport_s *) qe;
 286                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
 287                         }
 288                 }
 289                 break;
 290
 291         case BFA_FCS_PORT_SM_DELRPORT:
 292         case BFA_FCS_PORT_SM_OFFLINE:
 293                 break;
 294
 295         default:
 296                 bfa_sm_fault(port->fcs, event);
 297         }
 298 }
 299
 300 static void
 301 bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
 302                           enum bfa_fcs_lport_event event)
 303 {
 304         bfa_trc(port->fcs, port->port_cfg.pwwn);
 305         bfa_trc(port->fcs, event);
 306
 307         switch (event) {
 308         case BFA_FCS_PORT_SM_DELRPORT:
 309                 if (port->num_rports == 0) {
 310                         bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
 311                         /* If vport - send completion call back */
 312                         if (port->vport)
 313                                 bfa_fcs_vport_stop_comp(port->vport);
 314                         else
 315                                 bfa_wc_down(&(port->fabric->stop_wc));
 316                 }
 317                 break;
 318
 319         default:
 320                 bfa_sm_fault(port->fcs, event);
 321         }
 322 }
 323
 324 static void
 325 bfa_fcs_lport_sm_deleting(
 326         struct bfa_fcs_lport_s *port,
 327         enum bfa_fcs_lport_event event)
 328 {
 329         bfa_trc(port->fcs, port->port_cfg.pwwn);
 330         bfa_trc(port->fcs, event);
 331
 332         switch (event) {
 333         case BFA_FCS_PORT_SM_DELRPORT:
 334                 if (port->num_rports == 0) {
 335                         bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
 336                         bfa_fcs_lport_deleted(port);
 337                 }
 338                 break;
 339
 340         default:
 341                 bfa_sm_fault(port->fcs, event);
 342         }
 343 }
 344
 345 /*
 346  *  fcs_port_pvt
 347  */
 348
 349 /*
 350  * Send AEN notification
 351  */
 352 static void
 353 bfa_fcs_lport_aen_post(struct bfa_fcs_lport_s *port,
 354                         enum bfa_lport_aen_event event)
 355 {
 356         struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
 357         struct bfa_aen_entry_s  *aen_entry;
 358
 359         bfad_get_aen_entry(bfad, aen_entry);
 360         if (!aen_entry)
 361                 return;
 362
 363         aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
 364         aen_entry->aen_data.lport.roles = port->port_cfg.roles;
 365         aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
 366                                         bfa_fcs_get_base_port(port->fcs));
 367         aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
 368
 369         /* Send the AEN notification */
 370         bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
 371                                   BFA_AEN_CAT_LPORT, event);
 372 }
 373
 374 /*
 375  * Send a LS reject
 376  */
 377 static void
 378 bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
 379                          u8 reason_code, u8 reason_code_expl)
 380 {
 381         struct fchs_s   fchs;
 382         struct bfa_fcxp_s *fcxp;
 383         struct bfa_rport_s *bfa_rport = NULL;
 384         int             len;
 385
 386         bfa_trc(port->fcs, rx_fchs->d_id);
 387         bfa_trc(port->fcs, rx_fchs->s_id);
 388
 389         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 390         if (!fcxp)
 391                 return;
 392
 393         len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 394                               rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 395                               rx_fchs->ox_id, reason_code, reason_code_expl);
 396
 397         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 398                           BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 399                           FC_MAX_PDUSZ, 0);
 400 }
 401
 402 /*
 403  * Send a FCCT Reject
 404  */
 405 static void
 406 bfa_fcs_lport_send_fcgs_rjt(struct bfa_fcs_lport_s *port,
 407         struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl)
 408 {
 409         struct fchs_s   fchs;
 410         struct bfa_fcxp_s *fcxp;
 411         struct bfa_rport_s *bfa_rport = NULL;
 412         int             len;
 413         struct ct_hdr_s *rx_cthdr = (struct ct_hdr_s *)(rx_fchs + 1);
 414         struct ct_hdr_s *ct_hdr;
 415
 416         bfa_trc(port->fcs, rx_fchs->d_id);
 417         bfa_trc(port->fcs, rx_fchs->s_id);
 418
 419         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 420         if (!fcxp)
 421                 return;
 422
 423         ct_hdr = bfa_fcxp_get_reqbuf(fcxp);
 424         ct_hdr->gs_type = rx_cthdr->gs_type;
 425         ct_hdr->gs_sub_type = rx_cthdr->gs_sub_type;
 426
 427         len = fc_gs_rjt_build(&fchs, ct_hdr, rx_fchs->s_id,
 428                         bfa_fcs_lport_get_fcid(port),
 429                         rx_fchs->ox_id, reason_code, reason_code_expl);
 430
 431         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 432                         BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 433                         FC_MAX_PDUSZ, 0);
 434 }
 435
 436 /*
 437  * Process incoming plogi from a remote port.
 438  */
 439 static void
 440 bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
 441                 struct fchs_s *rx_fchs, struct fc_logi_s *plogi)
 442 {
 443         struct bfa_fcs_rport_s *rport;
 444
 445         bfa_trc(port->fcs, rx_fchs->d_id);
 446         bfa_trc(port->fcs, rx_fchs->s_id);
 447
 448         /*
 449          * If min cfg mode is enabled, drop any incoming PLOGIs
 450          */
 451         if (__fcs_min_cfg(port->fcs)) {
 452                 bfa_trc(port->fcs, rx_fchs->s_id);
 453                 return;
 454         }
 455
 456         if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) {
 457                 bfa_trc(port->fcs, rx_fchs->s_id);
 458                 /*
 459                  * send a LS reject
 460                  */
 461                 bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
 462                                         FC_LS_RJT_RSN_PROTOCOL_ERROR,
 463                                         FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS);
 464                 return;
 465         }
 466
 467         /*
 468          * Direct Attach P2P mode : verify address assigned by the r-port.
 469          */
 470         if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
 471                 (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
 472                            (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
 473                 if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) {
 474                         /* Address assigned to us cannot be a WKA */
 475                         bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
 476                                         FC_LS_RJT_RSN_PROTOCOL_ERROR,
 477                                         FC_LS_RJT_EXP_INVALID_NPORT_ID);
 478                         return;
 479                 }
 480                 port->pid  = rx_fchs->d_id;
 481                 bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
 482         }
 483
 484         /*
 485          * First, check if we know the device by pwwn.
 486          */
 487         rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name);
 488         if (rport) {
 489                 /*
 490                  * Direct Attach P2P mode : handle address assigned by r-port.
 491                  */
 492                 if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
 493                         (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
 494                         (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
 495                         port->pid  = rx_fchs->d_id;
 496                         bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
 497                         rport->pid = rx_fchs->s_id;
 498                 }
 499                 bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
 500                 return;
 501         }
 502
 503         /*
 504          * Next, lookup rport by PID.
 505          */
 506         rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id);
 507         if (!rport) {
 508                 /*
 509                  * Inbound PLOGI from a new device.
 510                  */
 511                 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
 512                 return;
 513         }
 514
 515         /*
 516          * Rport is known only by PID.
 517          */
 518         if (rport->pwwn) {
 519                 /*
 520                  * This is a different device with the same pid. Old device
 521                  * disappeared. Send implicit LOGO to old device.
 522                  */
 523                 WARN_ON(rport->pwwn == plogi->port_name);
 524                 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
 525
 526                 /*
 527                  * Inbound PLOGI from a new device (with old PID).
 528                  */
 529                 bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
 530                 return;
 531         }
 532
 533         /*
 534          * PLOGI crossing each other.
 535          */
 536         WARN_ON(rport->pwwn != WWN_NULL);
 537         bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
 538 }
 539
 540 /*
 541  * Process incoming ECHO.
 542  * Since it does not require a login, it is processed here.
 543  */
 544 static void
 545 bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
 546                 struct fc_echo_s *echo, u16 rx_len)
 547 {
 548         struct fchs_s           fchs;
 549         struct bfa_fcxp_s       *fcxp;
 550         struct bfa_rport_s      *bfa_rport = NULL;
 551         int                     len, pyld_len;
 552
 553         bfa_trc(port->fcs, rx_fchs->s_id);
 554         bfa_trc(port->fcs, rx_fchs->d_id);
 555
 556         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 557         if (!fcxp)
 558                 return;
 559
 560         len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 561                                 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 562                                 rx_fchs->ox_id);
 563
 564         /*
 565          * Copy the payload (if any) from the echo frame
 566          */
 567         pyld_len = rx_len - sizeof(struct fchs_s);
 568         bfa_trc(port->fcs, rx_len);
 569         bfa_trc(port->fcs, pyld_len);
 570
 571         if (pyld_len > len)
 572                 memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) +
 573                         sizeof(struct fc_echo_s), (echo + 1),
 574                         (pyld_len - sizeof(struct fc_echo_s)));
 575
 576         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 577                         BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL,
 578                         FC_MAX_PDUSZ, 0);
 579 }
 580
 581 /*
 582  * Process incoming RNID.
 583  * Since it does not require a login, it is processed here.
 584  */
 585 static void
 586 bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
 587                 struct fc_rnid_cmd_s *rnid, u16 rx_len)
 588 {
 589         struct fc_rnid_common_id_data_s common_id_data;
 590         struct fc_rnid_general_topology_data_s gen_topo_data;
 591         struct fchs_s   fchs;
 592         struct bfa_fcxp_s *fcxp;
 593         struct bfa_rport_s *bfa_rport = NULL;
 594         u16     len;
 595         u32     data_format;
 596
 597         bfa_trc(port->fcs, rx_fchs->s_id);
 598         bfa_trc(port->fcs, rx_fchs->d_id);
 599         bfa_trc(port->fcs, rx_len);
 600
 601         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 602         if (!fcxp)
 603                 return;
 604
 605         /*
 606          * Check Node Indentification Data Format
 607          * We only support General Topology Discovery Format.
 608          * For any other requested Data Formats, we return Common Node Id Data
 609          * only, as per FC-LS.
 610          */
 611         bfa_trc(port->fcs, rnid->node_id_data_format);
 612         if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
 613                 data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY;
 614                 /*
 615                  * Get General topology data for this port
 616                  */
 617                 bfa_fs_port_get_gen_topo_data(port, &gen_topo_data);
 618         } else {
 619                 data_format = RNID_NODEID_DATA_FORMAT_COMMON;
 620         }
 621
 622         /*
 623          * Copy the Node Id Info
 624          */
 625         common_id_data.port_name = bfa_fcs_lport_get_pwwn(port);
 626         common_id_data.node_name = bfa_fcs_lport_get_nwwn(port);
 627
 628         len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 629                                 rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 630                                 rx_fchs->ox_id, data_format, &common_id_data,
 631                                 &gen_topo_data);
 632
 633         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
 634                         BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 635                         FC_MAX_PDUSZ, 0);
 636 }
 637
 638 /*
 639  *  Fill out General Topolpgy Discovery Data for RNID ELS.
 640  */
 641 static void
 642 bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
 643                         struct fc_rnid_general_topology_data_s *gen_topo_data)
 644 {
 645         memset(gen_topo_data, 0,
 646                       sizeof(struct fc_rnid_general_topology_data_s));
 647
 648         gen_topo_data->asso_type = cpu_to_be32(RNID_ASSOCIATED_TYPE_HOST);
 649         gen_topo_data->phy_port_num = 0;        /* @todo */
 650         gen_topo_data->num_attached_nodes = cpu_to_be32(1);
 651 }
 652
 653 static void
 654 bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port)
 655 {
 656         struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
 657         char    lpwwn_buf[BFA_STRING_32];
 658
 659         bfa_trc(port->fcs, port->fabric->oper_type);
 660
 661         __port_action[port->fabric->fab_type].init(port);
 662         __port_action[port->fabric->fab_type].online(port);
 663
 664         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
 665         BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
 666                 "Logical port online: WWN = %s Role = %s\n",
 667                 lpwwn_buf, "Initiator");
 668         bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_ONLINE);
 669
 670         bfad->bfad_flags |= BFAD_PORT_ONLINE;
 671 }
 672
 673 static void
 674 bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port)
 675 {
 676         struct list_head        *qe, *qen;
 677         struct bfa_fcs_rport_s *rport;
 678         struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
 679         char    lpwwn_buf[BFA_STRING_32];
 680
 681         bfa_trc(port->fcs, port->fabric->oper_type);
 682
 683         __port_action[port->fabric->fab_type].offline(port);
 684
 685         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
 686         if (bfa_sm_cmp_state(port->fabric,
 687                         bfa_fcs_fabric_sm_online) == BFA_TRUE) {
 688                 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
 689                 "Logical port lost fabric connectivity: WWN = %s Role = %s\n",
 690                 lpwwn_buf, "Initiator");
 691                 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DISCONNECT);
 692         } else {
 693                 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
 694                 "Logical port taken offline: WWN = %s Role = %s\n",
 695                 lpwwn_buf, "Initiator");
 696                 bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_OFFLINE);
 697         }
 698
 699         list_for_each_safe(qe, qen, &port->rport_q) {
 700                 rport = (struct bfa_fcs_rport_s *) qe;
 701                 bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
 702         }
 703 }
 704
 705 static void
 706 bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port)
 707 {
 708         WARN_ON(1);
 709 }
 710
 711 static void
 712 bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port)
 713 {
 714         WARN_ON(1);
 715 }
 716
 717 static void
 718 bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port)
 719 {
 720         WARN_ON(1);
 721 }
 722
 723 static void
 724 bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs)
 725 {
 726         struct fchs_s fchs;
 727         struct bfa_fcxp_s *fcxp;
 728         int             len;
 729
 730         bfa_trc(port->fcs, rx_fchs->d_id);
 731         bfa_trc(port->fcs, rx_fchs->s_id);
 732
 733         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
 734         if (!fcxp)
 735                 return;
 736
 737         len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 738                         rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
 739                         rx_fchs->ox_id, 0);
 740
 741         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
 742                           BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
 743                           FC_MAX_PDUSZ, 0);
 744 }
 745 static void
 746 bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port)
 747 {
 748         struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
 749         char    lpwwn_buf[BFA_STRING_32];
 750
 751         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
 752         BFA_LOG(KERN_INFO, bfad, bfa_log_level,
 753                 "Logical port deleted: WWN = %s Role = %s\n",
 754                 lpwwn_buf, "Initiator");
 755         bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DELETE);
 756
 757         /* Base port will be deleted by the OS driver */
 758         if (port->vport)
 759                 bfa_fcs_vport_delete_comp(port->vport);
 760         else
 761                 bfa_wc_down(&port->fabric->wc);
 762 }
 763
 764
 765 /*
 766  * Unsolicited frame receive handling.
 767  */
 768 void
 769 bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport,
 770                         struct fchs_s *fchs, u16 len)
 771 {
 772         u32     pid = fchs->s_id;
 773         struct bfa_fcs_rport_s *rport = NULL;
 774         struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
 775
 776         bfa_stats(lport, uf_recvs);
 777         bfa_trc(lport->fcs, fchs->type);
 778
 779         if (!bfa_fcs_lport_is_online(lport)) {
 780                 /*
 781                  * In direct attach topology, it is possible to get a PLOGI
 782                  * before the lport is online due to port feature
 783                  * (QoS/Trunk/FEC/CR), so send a rjt
 784                  */
 785                 if ((fchs->type == FC_TYPE_ELS) &&
 786                         (els_cmd->els_code == FC_ELS_PLOGI)) {
 787                         bfa_fcs_lport_send_ls_rjt(lport, fchs,
 788                                 FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD,
 789                                 FC_LS_RJT_EXP_NO_ADDL_INFO);
 790                         bfa_stats(lport, plogi_rcvd);
 791                 } else
 792                         bfa_stats(lport, uf_recv_drops);
 793
 794                 return;
 795         }
 796
 797         /*
 798          * First, handle ELSs that donot require a login.
 799          */
 800         /*
 801          * Handle PLOGI first
 802          */
 803         if ((fchs->type == FC_TYPE_ELS) &&
 804                 (els_cmd->els_code == FC_ELS_PLOGI)) {
 805                 bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd);
 806                 return;
 807         }
 808
 809         /*
 810          * Handle ECHO separately.
 811          */
 812         if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) {
 813                 bfa_fcs_lport_echo(lport, fchs,
 814                                 (struct fc_echo_s *)els_cmd, len);
 815                 return;
 816         }
 817
 818         /*
 819          * Handle RNID separately.
 820          */
 821         if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) {
 822                 bfa_fcs_lport_rnid(lport, fchs,
 823                         (struct fc_rnid_cmd_s *) els_cmd, len);
 824                 return;
 825         }
 826
 827         if (fchs->type == FC_TYPE_BLS) {
 828                 if ((fchs->routing == FC_RTG_BASIC_LINK) &&
 829                                 (fchs->cat_info == FC_CAT_ABTS))
 830                         bfa_fcs_lport_abts_acc(lport, fchs);
 831                 return;
 832         }
 833
 834         if (fchs->type == FC_TYPE_SERVICES) {
 835                 /*
 836                  * Unhandled FC-GS frames. Send a FC-CT Reject
 837                  */
 838                 bfa_fcs_lport_send_fcgs_rjt(lport, fchs, CT_RSN_NOT_SUPP,
 839                                 CT_NS_EXP_NOADDITIONAL);
 840                 return;
 841         }
 842
 843         /*
 844          * look for a matching remote port ID
 845          */
 846         rport = bfa_fcs_lport_get_rport_by_pid(lport, pid);
 847         if (rport) {
 848                 bfa_trc(rport->fcs, fchs->s_id);
 849                 bfa_trc(rport->fcs, fchs->d_id);
 850                 bfa_trc(rport->fcs, fchs->type);
 851
 852                 bfa_fcs_rport_uf_recv(rport, fchs, len);
 853                 return;
 854         }
 855
 856         /*
 857          * Only handles ELS frames for now.
 858          */
 859         if (fchs->type != FC_TYPE_ELS) {
 860                 bfa_trc(lport->fcs, fchs->s_id);
 861                 bfa_trc(lport->fcs, fchs->d_id);
 862                 /* ignore type FC_TYPE_FC_FSS */
 863                 if (fchs->type != FC_TYPE_FC_FSS)
 864                         bfa_sm_fault(lport->fcs, fchs->type);
 865                 return;
 866         }
 867
 868         bfa_trc(lport->fcs, els_cmd->els_code);
 869         if (els_cmd->els_code == FC_ELS_RSCN) {
 870                 bfa_fcs_lport_scn_process_rscn(lport, fchs, len);
 871                 return;
 872         }
 873
 874         if (els_cmd->els_code == FC_ELS_LOGO) {
 875                 /*
 876                  * @todo Handle LOGO frames received.
 877                  */
 878                 return;
 879         }
 880
 881         if (els_cmd->els_code == FC_ELS_PRLI) {
 882                 /*
 883                  * @todo Handle PRLI frames received.
 884                  */
 885                 return;
 886         }
 887
 888         /*
 889          * Unhandled ELS frames. Send a LS_RJT.
 890          */
 891         bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
 892                                  FC_LS_RJT_EXP_NO_ADDL_INFO);
 893
 894 }
 895
 896 /*
 897  *   PID based Lookup for a R-Port in the Port R-Port Queue
 898  */
 899 struct bfa_fcs_rport_s *
 900 bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid)
 901 {
 902         struct bfa_fcs_rport_s *rport;
 903         struct list_head        *qe;
 904
 905         list_for_each(qe, &port->rport_q) {
 906                 rport = (struct bfa_fcs_rport_s *) qe;
 907                 if (rport->pid == pid)
 908                         return rport;
 909         }
 910
 911         bfa_trc(port->fcs, pid);
 912         return NULL;
 913 }
 914
 915 /*
 916  * OLD_PID based Lookup for a R-Port in the Port R-Port Queue
 917  */
 918 struct bfa_fcs_rport_s *
 919 bfa_fcs_lport_get_rport_by_old_pid(struct bfa_fcs_lport_s *port, u32 pid)
 920 {
 921         struct bfa_fcs_rport_s *rport;
 922         struct list_head        *qe;
 923
 924         list_for_each(qe, &port->rport_q) {
 925                 rport = (struct bfa_fcs_rport_s *) qe;
 926                 if (rport->old_pid == pid)
 927                         return rport;
 928         }
 929
 930         bfa_trc(port->fcs, pid);
 931         return NULL;
 932 }
 933
 934 /*
 935  *   PWWN based Lookup for a R-Port in the Port R-Port Queue
 936  */
 937 struct bfa_fcs_rport_s *
 938 bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn)
 939 {
 940         struct bfa_fcs_rport_s *rport;
 941         struct list_head        *qe;
 942
 943         list_for_each(qe, &port->rport_q) {
 944                 rport = (struct bfa_fcs_rport_s *) qe;
 945                 if (wwn_is_equal(rport->pwwn, pwwn))
 946                         return rport;
 947         }
 948
 949         bfa_trc(port->fcs, pwwn);
 950         return NULL;
 951 }
 952
 953 /*
 954  *   NWWN based Lookup for a R-Port in the Port R-Port Queue
 955  */
 956 struct bfa_fcs_rport_s *
 957 bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn)
 958 {
 959         struct bfa_fcs_rport_s *rport;
 960         struct list_head        *qe;
 961
 962         list_for_each(qe, &port->rport_q) {
 963                 rport = (struct bfa_fcs_rport_s *) qe;
 964                 if (wwn_is_equal(rport->nwwn, nwwn))
 965                         return rport;
 966         }
 967
 968         bfa_trc(port->fcs, nwwn);
 969         return NULL;
 970 }
 971
 972 /*
 973  * PWWN & PID based Lookup for a R-Port in the Port R-Port Queue
 974  */
 975 struct bfa_fcs_rport_s *
 976 bfa_fcs_lport_get_rport_by_qualifier(struct bfa_fcs_lport_s *port,
 977                                      wwn_t pwwn, u32 pid)
 978 {
 979         struct bfa_fcs_rport_s *rport;
 980         struct list_head        *qe;
 981
 982         list_for_each(qe, &port->rport_q) {
 983                 rport = (struct bfa_fcs_rport_s *) qe;
 984                 if (wwn_is_equal(rport->pwwn, pwwn) && rport->pid == pid)
 985                         return rport;
 986         }
 987
 988         bfa_trc(port->fcs, pwwn);
 989         return NULL;
 990 }
 991
 992 /*
 993  * Called by rport module when new rports are discovered.
 994  */
 995 void
 996 bfa_fcs_lport_add_rport(
 997         struct bfa_fcs_lport_s *port,
 998         struct bfa_fcs_rport_s *rport)
 999 {
1000         list_add_tail(&rport->qe, &port->rport_q);
1001         port->num_rports++;
1002 }
1003
1004 /*
1005  * Called by rport module to when rports are deleted.
1006  */
1007 void
1008 bfa_fcs_lport_del_rport(
1009         struct bfa_fcs_lport_s *port,
1010         struct bfa_fcs_rport_s *rport)
1011 {
1012         WARN_ON(!bfa_q_is_on_q(&port->rport_q, rport));
1013         list_del(&rport->qe);
1014         port->num_rports--;
1015
1016         bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
1017 }
1018
1019 /*
1020  * Called by fabric for base port when fabric login is complete.
1021  * Called by vport for virtual ports when FDISC is complete.
1022  */
1023 void
1024 bfa_fcs_lport_online(struct bfa_fcs_lport_s *port)
1025 {
1026         bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
1027 }
1028
1029 /*
1030  * Called by fabric for base port when fabric goes offline.
1031  * Called by vport for virtual ports when virtual port becomes offline.
1032  */
1033 void
1034 bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
1035 {
1036         bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
1037 }
1038
1039 /*
1040  * Called by fabric for base port and by vport for virtual ports
1041  * when target mode driver is unloaded.
1042  */
1043 void
1044 bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port)
1045 {
1046         bfa_sm_send_event(port, BFA_FCS_PORT_SM_STOP);
1047 }
1048
1049 /*
1050  * Called by fabric to delete base lport and associated resources.
1051  *
1052  * Called by vport to delete lport and associated resources. Should call
1053  * bfa_fcs_vport_delete_comp() for vports on completion.
1054  */
1055 void
1056 bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port)
1057 {
1058         bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
1059 }
1060
1061 /*
1062  * Return TRUE if port is online, else return FALSE
1063  */
1064 bfa_boolean_t
1065 bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
1066 {
1067         return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
1068 }
1069
1070 /*
1071   * Attach time initialization of logical ports.
1072  */
1073 void
1074 bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
1075                    u16 vf_id, struct bfa_fcs_vport_s *vport)
1076 {
1077         lport->fcs = fcs;
1078         lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
1079         lport->vport = vport;
1080         lport->lp_tag = (vport) ? vport->lps->bfa_tag :
1081                                   lport->fabric->lps->bfa_tag;
1082
1083         INIT_LIST_HEAD(&lport->rport_q);
1084         lport->num_rports = 0;
1085 }
1086
1087 /*
1088  * Logical port initialization of base or virtual port.
1089  * Called by fabric for base port or by vport for virtual ports.
1090  */
1091
1092 void
1093 bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
1094         struct bfa_lport_cfg_s *port_cfg)
1095 {
1096         struct bfa_fcs_vport_s *vport = lport->vport;
1097         struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad;
1098         char    lpwwn_buf[BFA_STRING_32];
1099
1100         lport->port_cfg = *port_cfg;
1101
1102         lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport,
1103                                         lport->port_cfg.roles,
1104                                         lport->fabric->vf_drv,
1105                                         vport ? vport->vport_drv : NULL);
1106
1107         wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport));
1108         BFA_LOG(KERN_INFO, bfad, bfa_log_level,
1109                 "New logical port created: WWN = %s Role = %s\n",
1110                 lpwwn_buf, "Initiator");
1111         bfa_fcs_lport_aen_post(lport, BFA_LPORT_AEN_NEW);
1112
1113         bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
1114         bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
1115 }
1116
1117 void
1118 bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port,
1119                                 char *symname)
1120 {
1121         strcpy(port->port_cfg.sym_name.symname, symname);
1122
1123         if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
1124                 bfa_fcs_lport_ns_util_send_rspn_id(
1125                         BFA_FCS_GET_NS_FROM_PORT(port), NULL);
1126 }
1127
1128 /*
1129  *  fcs_lport_api
1130  */
1131
1132 void
1133 bfa_fcs_lport_get_attr(
1134         struct bfa_fcs_lport_s *port,
1135         struct bfa_lport_attr_s *port_attr)
1136 {
1137         if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
1138                 port_attr->pid = port->pid;
1139         else
1140                 port_attr->pid = 0;
1141
1142         port_attr->port_cfg = port->port_cfg;
1143
1144         if (port->fabric) {
1145                 port_attr->port_type = port->fabric->oper_type;
1146                 port_attr->loopback = bfa_sm_cmp_state(port->fabric,
1147                                 bfa_fcs_fabric_sm_loopback);
1148                 port_attr->authfail =
1149                         bfa_sm_cmp_state(port->fabric,
1150                                 bfa_fcs_fabric_sm_auth_failed);
1151                 port_attr->fabric_name  = bfa_fcs_lport_get_fabric_name(port);
1152                 memcpy(port_attr->fabric_ip_addr,
1153                         bfa_fcs_lport_get_fabric_ipaddr(port),
1154                         BFA_FCS_FABRIC_IPADDR_SZ);
1155
1156                 if (port->vport != NULL) {
1157                         port_attr->port_type = BFA_PORT_TYPE_VPORT;
1158                         port_attr->fpma_mac =
1159                                 port->vport->lps->lp_mac;
1160                 } else {
1161                         port_attr->fpma_mac =
1162                                 port->fabric->lps->lp_mac;
1163                 }
1164         } else {
1165                 port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
1166                 port_attr->state = BFA_LPORT_UNINIT;
1167         }
1168 }
1169
1170 /*
1171  *  bfa_fcs_lport_fab port fab functions
1172  */
1173
1174 /*
1175  *   Called by port to initialize fabric services of the base port.
1176  */
1177 static void
1178 bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
1179 {
1180         bfa_fcs_lport_ns_init(port);
1181         bfa_fcs_lport_scn_init(port);
1182         bfa_fcs_lport_ms_init(port);
1183 }
1184
1185 /*
1186  *   Called by port to notify transition to online state.
1187  */
1188 static void
1189 bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
1190 {
1191         bfa_fcs_lport_ns_online(port);
1192         bfa_fcs_lport_fab_scn_online(port);
1193 }
1194
1195 /*
1196  *   Called by port to notify transition to offline state.
1197  */
1198 static void
1199 bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
1200 {
1201         bfa_fcs_lport_ns_offline(port);
1202         bfa_fcs_lport_scn_offline(port);
1203         bfa_fcs_lport_ms_offline(port);
1204 }
1205
1206 /*
1207  *  bfa_fcs_lport_n2n  functions
1208  */
1209
1210 /*
1211  *   Called by fcs/port to initialize N2N topology.
1212  */
1213 static void
1214 bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
1215 {
1216 }
1217
1218 /*
1219  *   Called by fcs/port to notify transition to online state.
1220  */
1221 static void
1222 bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
1223 {
1224         struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1225         struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
1226         struct bfa_fcs_rport_s *rport;
1227
1228         bfa_trc(port->fcs, pcfg->pwwn);
1229
1230         /*
1231          * If our PWWN is > than that of the r-port, we have to initiate PLOGI
1232          * and assign an Address. if not, we need to wait for its PLOGI.
1233          *
1234          * If our PWWN is < than that of the remote port, it will send a PLOGI
1235          * with the PIDs assigned. The rport state machine take care of this
1236          * incoming PLOGI.
1237          */
1238         if (memcmp
1239             ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
1240              sizeof(wwn_t)) > 0) {
1241                 port->pid = N2N_LOCAL_PID;
1242                 bfa_lps_set_n2n_pid(port->fabric->lps, N2N_LOCAL_PID);
1243                 /*
1244                  * First, check if we know the device by pwwn.
1245                  */
1246                 rport = bfa_fcs_lport_get_rport_by_pwwn(port,
1247                                                         n2n_port->rem_port_wwn);
1248                 if (rport) {
1249                         bfa_trc(port->fcs, rport->pid);
1250                         bfa_trc(port->fcs, rport->pwwn);
1251                         rport->pid = N2N_REMOTE_PID;
1252                         bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
1253                         return;
1254                 }
1255
1256                 /*
1257                  * In n2n there can be only one rport. Delete the old one
1258                  * whose pid should be zero, because it is offline.
1259                  */
1260                 if (port->num_rports > 0) {
1261                         rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
1262                         WARN_ON(rport == NULL);
1263                         if (rport) {
1264                                 bfa_trc(port->fcs, rport->pwwn);
1265                                 bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
1266                         }
1267                 }
1268                 bfa_fcs_rport_create(port, N2N_REMOTE_PID);
1269         }
1270 }
1271
1272 /*
1273  *   Called by fcs/port to notify transition to offline state.
1274  */
1275 static void
1276 bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
1277 {
1278         struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
1279
1280         bfa_trc(port->fcs, port->pid);
1281         port->pid = 0;
1282         n2n_port->rem_port_wwn = 0;
1283         n2n_port->reply_oxid = 0;
1284 }
1285
1286 static void
1287 bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
1288 {
1289         int i = 0, j = 0, bit = 0, alpa_bit = 0;
1290         u8 k = 0;
1291         struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(port->fcs->bfa);
1292
1293         port->port_topo.ploop.alpabm_valid = fcport->alpabm_valid;
1294         port->pid = fcport->myalpa;
1295         port->pid = bfa_hton3b(port->pid);
1296
1297         for (i = 0; i < (FC_ALPA_MAX / 8); i++) {
1298                 for (j = 0, alpa_bit = 0; j < 8; j++, alpa_bit++) {
1299                         bfa_trc(port->fcs->bfa, fcport->alpabm.alpa_bm[i]);
1300                         bit = (fcport->alpabm.alpa_bm[i] & (1 << (7 - j)));
1301                         if (bit) {
1302                                 port->port_topo.ploop.alpa_pos_map[k] =
1303                                         loop_alpa_map[(i * 8) + alpa_bit];
1304                                 k++;
1305                                 bfa_trc(port->fcs->bfa, k);
1306                                 bfa_trc(port->fcs->bfa,
1307                                          port->port_topo.ploop.alpa_pos_map[k]);
1308                         }
1309                 }
1310         }
1311         port->port_topo.ploop.num_alpa = k;
1312 }
1313
1314 /*
1315  * Called by fcs/port to initialize Loop topology.
1316  */
1317 static void
1318 bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port)
1319 {
1320 }
1321
1322 /*
1323  * Called by fcs/port to notify transition to online state.
1324  */
1325 static void
1326 bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port)
1327 {
1328         u8 num_alpa = 0, alpabm_valid = 0;
1329         struct bfa_fcs_rport_s *rport;
1330         u8 *alpa_map = NULL;
1331         int i = 0;
1332         u32 pid;
1333
1334         bfa_fcport_get_loop_attr(port);
1335
1336         num_alpa = port->port_topo.ploop.num_alpa;
1337         alpabm_valid = port->port_topo.ploop.alpabm_valid;
1338         alpa_map = port->port_topo.ploop.alpa_pos_map;
1339
1340         bfa_trc(port->fcs->bfa, port->pid);
1341         bfa_trc(port->fcs->bfa, num_alpa);
1342         if (alpabm_valid == 1) {
1343                 for (i = 0; i < num_alpa; i++) {
1344                         bfa_trc(port->fcs->bfa, alpa_map[i]);
1345                         if (alpa_map[i] != bfa_hton3b(port->pid)) {
1346                                 pid = alpa_map[i];
1347                                 bfa_trc(port->fcs->bfa, pid);
1348                                 rport = bfa_fcs_lport_get_rport_by_pid(port,
1349                                                 bfa_hton3b(pid));
1350                                 if (!rport)
1351                                         rport = bfa_fcs_rport_create(port,
1352                                                 bfa_hton3b(pid));
1353                         }
1354                 }
1355         } else {
1356                 for (i = 0; i < MAX_ALPA_COUNT; i++) {
1357                         if (alpa_map[i] != port->pid) {
1358                                 pid = loop_alpa_map[i];
1359                                 bfa_trc(port->fcs->bfa, pid);
1360                                 rport = bfa_fcs_lport_get_rport_by_pid(port,
1361                                                 bfa_hton3b(pid));
1362                                 if (!rport)
1363                                         rport = bfa_fcs_rport_create(port,
1364                                                 bfa_hton3b(pid));
1365                         }
1366                 }
1367         }
1368 }
1369
1370 /*
1371  * Called by fcs/port to notify transition to offline state.
1372  */
1373 static void
1374 bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port)
1375 {
1376 }
1377
1378 #define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
1379
1380 /*
1381  * forward declarations
1382  */
1383 static void     bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
1384                                             struct bfa_fcxp_s *fcxp_alloced);
1385 static void     bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
1386                                             struct bfa_fcxp_s *fcxp_alloced);
1387 static void     bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
1388                                            struct bfa_fcxp_s *fcxp_alloced);
1389 static void     bfa_fcs_lport_fdmi_rhba_response(void *fcsarg,
1390                                                 struct bfa_fcxp_s *fcxp,
1391                                                 void *cbarg,
1392                                                 bfa_status_t req_status,
1393                                                 u32 rsp_len,
1394                                                 u32 resid_len,
1395                                                 struct fchs_s *rsp_fchs);
1396 static void     bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
1397                                                 struct bfa_fcxp_s *fcxp,
1398                                                 void *cbarg,
1399                                                 bfa_status_t req_status,
1400                                                 u32 rsp_len,
1401                                                 u32 resid_len,
1402                                                 struct fchs_s *rsp_fchs);
1403 static void     bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
1404                                                struct bfa_fcxp_s *fcxp,
1405                                                void *cbarg,
1406                                                bfa_status_t req_status,
1407                                                u32 rsp_len,
1408                                                u32 resid_len,
1409                                                struct fchs_s *rsp_fchs);
1410 static void     bfa_fcs_lport_fdmi_timeout(void *arg);
1411 static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1412                                                   u8 *pyld);
1413 static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1414                                                   u8 *pyld);
1415 static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
1416                                                  u8 *pyld);
1417 static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
1418                                                        fdmi, u8 *pyld);
1419 static void     bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1420                                  struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
1421 static void     bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
1422                                   struct bfa_fcs_fdmi_port_attr_s *port_attr);
1423 u32     bfa_fcs_fdmi_convert_speed(enum bfa_port_speed pport_speed);
1424
1425 /*
1426  *  fcs_fdmi_sm FCS FDMI state machine
1427  */
1428
1429 /*
1430  *  FDMI State Machine events
1431  */
1432 enum port_fdmi_event {
1433         FDMISM_EVENT_PORT_ONLINE = 1,
1434         FDMISM_EVENT_PORT_OFFLINE = 2,
1435         FDMISM_EVENT_RSP_OK = 4,
1436         FDMISM_EVENT_RSP_ERROR = 5,
1437         FDMISM_EVENT_TIMEOUT = 6,
1438         FDMISM_EVENT_RHBA_SENT = 7,
1439         FDMISM_EVENT_RPRT_SENT = 8,
1440         FDMISM_EVENT_RPA_SENT = 9,
1441 };
1442
1443 static void     bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1444                                              enum port_fdmi_event event);
1445 static void     bfa_fcs_lport_fdmi_sm_sending_rhba(
1446                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1447                                 enum port_fdmi_event event);
1448 static void     bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1449                                           enum port_fdmi_event event);
1450 static void     bfa_fcs_lport_fdmi_sm_rhba_retry(
1451                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1452                                 enum port_fdmi_event event);
1453 static void     bfa_fcs_lport_fdmi_sm_sending_rprt(
1454                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1455                                 enum port_fdmi_event event);
1456 static void     bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1457                                           enum port_fdmi_event event);
1458 static void     bfa_fcs_lport_fdmi_sm_rprt_retry(
1459                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1460                                 enum port_fdmi_event event);
1461 static void     bfa_fcs_lport_fdmi_sm_sending_rpa(
1462                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1463                                 enum port_fdmi_event event);
1464 static void     bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1465                                          enum port_fdmi_event event);
1466 static void     bfa_fcs_lport_fdmi_sm_rpa_retry(
1467                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1468                                 enum port_fdmi_event event);
1469 static void     bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1470                                             enum port_fdmi_event event);
1471 static void     bfa_fcs_lport_fdmi_sm_disabled(
1472                                 struct bfa_fcs_lport_fdmi_s *fdmi,
1473                                 enum port_fdmi_event event);
1474 /*
1475  *      Start in offline state - awaiting MS to send start.
1476  */
1477 static void
1478 bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
1479                              enum port_fdmi_event event)
1480 {
1481         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1482
1483         bfa_trc(port->fcs, port->port_cfg.pwwn);
1484         bfa_trc(port->fcs, event);
1485
1486         fdmi->retry_cnt = 0;
1487
1488         switch (event) {
1489         case FDMISM_EVENT_PORT_ONLINE:
1490                 if (port->vport) {
1491                         /*
1492                          * For Vports, register a new port.
1493                          */
1494                         bfa_sm_set_state(fdmi,
1495                                          bfa_fcs_lport_fdmi_sm_sending_rprt);
1496                         bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1497                 } else {
1498                         /*
1499                          * For a base port, we should first register the HBA
1500                          * attribute. The HBA attribute also contains the base
1501                          *  port registration.
1502                          */
1503                         bfa_sm_set_state(fdmi,
1504                                          bfa_fcs_lport_fdmi_sm_sending_rhba);
1505                         bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1506                 }
1507                 break;
1508
1509         case FDMISM_EVENT_PORT_OFFLINE:
1510                 break;
1511
1512         default:
1513                 bfa_sm_fault(port->fcs, event);
1514         }
1515 }
1516
1517 static void
1518 bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1519                                   enum port_fdmi_event event)
1520 {
1521         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1522
1523         bfa_trc(port->fcs, port->port_cfg.pwwn);
1524         bfa_trc(port->fcs, event);
1525
1526         switch (event) {
1527         case FDMISM_EVENT_RHBA_SENT:
1528                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
1529                 break;
1530
1531         case FDMISM_EVENT_PORT_OFFLINE:
1532                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1533                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1534                                            &fdmi->fcxp_wqe);
1535                 break;
1536
1537         default:
1538                 bfa_sm_fault(port->fcs, event);
1539         }
1540 }
1541
1542 static void
1543 bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
1544                         enum port_fdmi_event event)
1545 {
1546         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1547
1548         bfa_trc(port->fcs, port->port_cfg.pwwn);
1549         bfa_trc(port->fcs, event);
1550
1551         switch (event) {
1552         case FDMISM_EVENT_RSP_ERROR:
1553                 /*
1554                  * if max retries have not been reached, start timer for a
1555                  * delayed retry
1556                  */
1557                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1558                         bfa_sm_set_state(fdmi,
1559                                         bfa_fcs_lport_fdmi_sm_rhba_retry);
1560                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1561                                             &fdmi->timer,
1562                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1563                                             BFA_FCS_RETRY_TIMEOUT);
1564                 } else {
1565                         /*
1566                          * set state to offline
1567                          */
1568                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1569                 }
1570                 break;
1571
1572         case FDMISM_EVENT_RSP_OK:
1573                 /*
1574                  * Initiate Register Port Attributes
1575                  */
1576                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1577                 fdmi->retry_cnt = 0;
1578                 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1579                 break;
1580
1581         case FDMISM_EVENT_PORT_OFFLINE:
1582                 bfa_fcxp_discard(fdmi->fcxp);
1583                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1584                 break;
1585
1586         default:
1587                 bfa_sm_fault(port->fcs, event);
1588         }
1589 }
1590
1591 static void
1592 bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1593                                 enum port_fdmi_event event)
1594 {
1595         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1596
1597         bfa_trc(port->fcs, port->port_cfg.pwwn);
1598         bfa_trc(port->fcs, event);
1599
1600         switch (event) {
1601         case FDMISM_EVENT_TIMEOUT:
1602                 /*
1603                  * Retry Timer Expired. Re-send
1604                  */
1605                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
1606                 bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
1607                 break;
1608
1609         case FDMISM_EVENT_PORT_OFFLINE:
1610                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1611                 bfa_timer_stop(&fdmi->timer);
1612                 break;
1613
1614         default:
1615                 bfa_sm_fault(port->fcs, event);
1616         }
1617 }
1618
1619 /*
1620 * RPRT : Register Port
1621  */
1622 static void
1623 bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1624                                   enum port_fdmi_event event)
1625 {
1626         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1627
1628         bfa_trc(port->fcs, port->port_cfg.pwwn);
1629         bfa_trc(port->fcs, event);
1630
1631         switch (event) {
1632         case FDMISM_EVENT_RPRT_SENT:
1633                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
1634                 break;
1635
1636         case FDMISM_EVENT_PORT_OFFLINE:
1637                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1638                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1639                                            &fdmi->fcxp_wqe);
1640                 break;
1641
1642         default:
1643                 bfa_sm_fault(port->fcs, event);
1644         }
1645 }
1646
1647 static void
1648 bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
1649                         enum port_fdmi_event event)
1650 {
1651         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1652
1653         bfa_trc(port->fcs, port->port_cfg.pwwn);
1654         bfa_trc(port->fcs, event);
1655
1656         switch (event) {
1657         case FDMISM_EVENT_RSP_ERROR:
1658                 /*
1659                  * if max retries have not been reached, start timer for a
1660                  * delayed retry
1661                  */
1662                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1663                         bfa_sm_set_state(fdmi,
1664                                         bfa_fcs_lport_fdmi_sm_rprt_retry);
1665                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1666                                             &fdmi->timer,
1667                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1668                                             BFA_FCS_RETRY_TIMEOUT);
1669
1670                 } else {
1671                         /*
1672                          * set state to offline
1673                          */
1674                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1675                         fdmi->retry_cnt = 0;
1676                 }
1677                 break;
1678
1679         case FDMISM_EVENT_RSP_OK:
1680                 fdmi->retry_cnt = 0;
1681                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1682                 break;
1683
1684         case FDMISM_EVENT_PORT_OFFLINE:
1685                 bfa_fcxp_discard(fdmi->fcxp);
1686                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1687                 break;
1688
1689         default:
1690                 bfa_sm_fault(port->fcs, event);
1691         }
1692 }
1693
1694 static void
1695 bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1696                                 enum port_fdmi_event event)
1697 {
1698         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1699
1700         bfa_trc(port->fcs, port->port_cfg.pwwn);
1701         bfa_trc(port->fcs, event);
1702
1703         switch (event) {
1704         case FDMISM_EVENT_TIMEOUT:
1705                 /*
1706                  * Retry Timer Expired. Re-send
1707                  */
1708                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
1709                 bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
1710                 break;
1711
1712         case FDMISM_EVENT_PORT_OFFLINE:
1713                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1714                 bfa_timer_stop(&fdmi->timer);
1715                 break;
1716
1717         default:
1718                 bfa_sm_fault(port->fcs, event);
1719         }
1720 }
1721
1722 /*
1723  * Register Port Attributes
1724  */
1725 static void
1726 bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1727                                  enum port_fdmi_event event)
1728 {
1729         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1730
1731         bfa_trc(port->fcs, port->port_cfg.pwwn);
1732         bfa_trc(port->fcs, event);
1733
1734         switch (event) {
1735         case FDMISM_EVENT_RPA_SENT:
1736                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
1737                 break;
1738
1739         case FDMISM_EVENT_PORT_OFFLINE:
1740                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1741                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
1742                                            &fdmi->fcxp_wqe);
1743                 break;
1744
1745         default:
1746                 bfa_sm_fault(port->fcs, event);
1747         }
1748 }
1749
1750 static void
1751 bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
1752                         enum port_fdmi_event event)
1753 {
1754         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1755
1756         bfa_trc(port->fcs, port->port_cfg.pwwn);
1757         bfa_trc(port->fcs, event);
1758
1759         switch (event) {
1760         case FDMISM_EVENT_RSP_ERROR:
1761                 /*
1762                  * if max retries have not been reached, start timer for a
1763                  * delayed retry
1764                  */
1765                 if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
1766                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry);
1767                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
1768                                             &fdmi->timer,
1769                                             bfa_fcs_lport_fdmi_timeout, fdmi,
1770                                             BFA_FCS_RETRY_TIMEOUT);
1771                 } else {
1772                         /*
1773                          * set state to offline
1774                          */
1775                         bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1776                         fdmi->retry_cnt = 0;
1777                 }
1778                 break;
1779
1780         case FDMISM_EVENT_RSP_OK:
1781                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
1782                 fdmi->retry_cnt = 0;
1783                 break;
1784
1785         case FDMISM_EVENT_PORT_OFFLINE:
1786                 bfa_fcxp_discard(fdmi->fcxp);
1787                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1788                 break;
1789
1790         default:
1791                 bfa_sm_fault(port->fcs, event);
1792         }
1793 }
1794
1795 static void
1796 bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
1797                                enum port_fdmi_event event)
1798 {
1799         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1800
1801         bfa_trc(port->fcs, port->port_cfg.pwwn);
1802         bfa_trc(port->fcs, event);
1803
1804         switch (event) {
1805         case FDMISM_EVENT_TIMEOUT:
1806                 /*
1807                  * Retry Timer Expired. Re-send
1808                  */
1809                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
1810                 bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
1811                 break;
1812
1813         case FDMISM_EVENT_PORT_OFFLINE:
1814                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1815                 bfa_timer_stop(&fdmi->timer);
1816                 break;
1817
1818         default:
1819                 bfa_sm_fault(port->fcs, event);
1820         }
1821 }
1822
1823 static void
1824 bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
1825                                 enum port_fdmi_event event)
1826 {
1827         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1828
1829         bfa_trc(port->fcs, port->port_cfg.pwwn);
1830         bfa_trc(port->fcs, event);
1831
1832         switch (event) {
1833         case FDMISM_EVENT_PORT_OFFLINE:
1834                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
1835                 break;
1836
1837         default:
1838                 bfa_sm_fault(port->fcs, event);
1839         }
1840 }
1841 /*
1842  *  FDMI is disabled state.
1843  */
1844 static void
1845 bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
1846                              enum port_fdmi_event event)
1847 {
1848         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1849
1850         bfa_trc(port->fcs, port->port_cfg.pwwn);
1851         bfa_trc(port->fcs, event);
1852
1853         /* No op State. It can only be enabled at Driver Init. */
1854 }
1855
1856 /*
1857 *  RHBA : Register HBA Attributes.
1858  */
1859 static void
1860 bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
1861 {
1862         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
1863         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1864         struct fchs_s fchs;
1865         int             len, attr_len;
1866         struct bfa_fcxp_s *fcxp;
1867         u8        *pyld;
1868
1869         bfa_trc(port->fcs, port->port_cfg.pwwn);
1870
1871         fcxp = fcxp_alloced ? fcxp_alloced :
1872                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
1873         if (!fcxp) {
1874                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
1875                                 bfa_fcs_lport_fdmi_send_rhba, fdmi, BFA_TRUE);
1876                 return;
1877         }
1878         fdmi->fcxp = fcxp;
1879
1880         pyld = bfa_fcxp_get_reqbuf(fcxp);
1881         memset(pyld, 0, FC_MAX_PDUSZ);
1882
1883         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
1884                                    FDMI_RHBA);
1885
1886         attr_len =
1887                 bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
1888                                           (u8 *) ((struct ct_hdr_s *) pyld
1889                                                        + 1));
1890
1891         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
1892                           FC_CLASS_3, (len + attr_len), &fchs,
1893                           bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi,
1894                           FC_MAX_PDUSZ, FC_FCCT_TOV);
1895
1896         bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
1897 }
1898
1899 static          u16
1900 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
1901 {
1902         struct bfa_fcs_lport_s *port = fdmi->ms->port;
1903         struct bfa_fcs_fdmi_hba_attr_s hba_attr;
1904         struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
1905         struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
1906         struct fdmi_attr_s *attr;
1907         u8        *curr_ptr;
1908         u16        len, count;
1909         u16     templen;
1910
1911         /*
1912          * get hba attributes
1913          */
1914         bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
1915
1916         rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
1917         rhba->port_list.num_ports = cpu_to_be32(1);
1918         rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port);
1919
1920         len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
1921
1922         count = 0;
1923         len += sizeof(rhba->hba_attr_blk.attr_count);
1924
1925         /*
1926          * fill out the invididual entries of the HBA attrib Block
1927          */
1928         curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
1929
1930         /*
1931          * Node Name
1932          */
1933         attr = (struct fdmi_attr_s *) curr_ptr;
1934         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODENAME);
1935         templen = sizeof(wwn_t);
1936         memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), templen);
1937         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1938         len += templen;
1939         count++;
1940         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1941                              sizeof(templen));
1942
1943         /*
1944          * Manufacturer
1945          */
1946         attr = (struct fdmi_attr_s *) curr_ptr;
1947         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MANUFACTURER);
1948         templen = (u16) strlen(fcs_hba_attr->manufacturer);
1949         memcpy(attr->value, fcs_hba_attr->manufacturer, templen);
1950         templen = fc_roundup(templen, sizeof(u32));
1951         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1952         len += templen;
1953         count++;
1954         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1955                              sizeof(templen));
1956
1957         /*
1958          * Serial Number
1959          */
1960         attr = (struct fdmi_attr_s *) curr_ptr;
1961         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_SERIALNUM);
1962         templen = (u16) strlen(fcs_hba_attr->serial_num);
1963         memcpy(attr->value, fcs_hba_attr->serial_num, templen);
1964         templen = fc_roundup(templen, sizeof(u32));
1965         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1966         len += templen;
1967         count++;
1968         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1969                              sizeof(templen));
1970
1971         /*
1972          * Model
1973          */
1974         attr = (struct fdmi_attr_s *) curr_ptr;
1975         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL);
1976         templen = (u16) strlen(fcs_hba_attr->model);
1977         memcpy(attr->value, fcs_hba_attr->model, templen);
1978         templen = fc_roundup(templen, sizeof(u32));
1979         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1980         len += templen;
1981         count++;
1982         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1983                              sizeof(templen));
1984
1985         /*
1986          * Model Desc
1987          */
1988         attr = (struct fdmi_attr_s *) curr_ptr;
1989         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL_DESC);
1990         templen = (u16) strlen(fcs_hba_attr->model_desc);
1991         memcpy(attr->value, fcs_hba_attr->model_desc, templen);
1992         templen = fc_roundup(templen, sizeof(u32));
1993         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
1994         len += templen;
1995         count++;
1996         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
1997                              sizeof(templen));
1998
1999         /*
2000          * H/W Version
2001          */
2002         if (fcs_hba_attr->hw_version[0] != '\0') {
2003                 attr = (struct fdmi_attr_s *) curr_ptr;
2004                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_HW_VERSION);
2005                 templen = (u16) strlen(fcs_hba_attr->hw_version);
2006                 memcpy(attr->value, fcs_hba_attr->hw_version, templen);
2007                 templen = fc_roundup(templen, sizeof(u32));
2008                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2009                 len += templen;
2010                 count++;
2011                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2012                                          sizeof(templen));
2013         }
2014
2015         /*
2016          * Driver Version
2017          */
2018         attr = (struct fdmi_attr_s *) curr_ptr;
2019         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_DRIVER_VERSION);
2020         templen = (u16) strlen(fcs_hba_attr->driver_version);
2021         memcpy(attr->value, fcs_hba_attr->driver_version, templen);
2022         templen = fc_roundup(templen, sizeof(u32));
2023         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2024         len += templen;
2025         count++;
2026         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2027                              sizeof(templen));
2028
2029         /*
2030          * Option Rom Version
2031          */
2032         if (fcs_hba_attr->option_rom_ver[0] != '\0') {
2033                 attr = (struct fdmi_attr_s *) curr_ptr;
2034                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_ROM_VERSION);
2035                 templen = (u16) strlen(fcs_hba_attr->option_rom_ver);
2036                 memcpy(attr->value, fcs_hba_attr->option_rom_ver, templen);
2037                 templen = fc_roundup(templen, sizeof(u32));
2038                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2039                 len += templen;
2040                 count++;
2041                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2042                                          sizeof(templen));
2043         }
2044
2045         attr = (struct fdmi_attr_s *) curr_ptr;
2046         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
2047         templen = (u16) strlen(fcs_hba_attr->fw_version);
2048         memcpy(attr->value, fcs_hba_attr->fw_version, templen);
2049         templen = fc_roundup(templen, sizeof(u32));
2050         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2051         len += templen;
2052         count++;
2053         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2054                              sizeof(templen));
2055
2056         /*
2057          * OS Name
2058          */
2059         if (fcs_hba_attr->os_name[0] != '\0') {
2060                 attr = (struct fdmi_attr_s *) curr_ptr;
2061                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_OS_NAME);
2062                 templen = (u16) strlen(fcs_hba_attr->os_name);
2063                 memcpy(attr->value, fcs_hba_attr->os_name, templen);
2064                 templen = fc_roundup(templen, sizeof(u32));
2065                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2066                 len += templen;
2067                 count++;
2068                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2069                                         sizeof(templen));
2070         }
2071
2072         /*
2073          * MAX_CT_PAYLOAD
2074          */
2075         attr = (struct fdmi_attr_s *) curr_ptr;
2076         attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MAX_CT);
2077         templen = sizeof(fcs_hba_attr->max_ct_pyld);
2078         memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, templen);
2079         templen = fc_roundup(templen, sizeof(u32));
2080         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2081         len += templen;
2082         count++;
2083         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2084                              sizeof(templen));
2085         /*
2086          * Send extended attributes ( FOS 7.1 support )
2087          */
2088         if (fdmi->retry_cnt == 0) {
2089                 attr = (struct fdmi_attr_s *) curr_ptr;
2090                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODE_SYM_NAME);
2091                 templen = sizeof(fcs_hba_attr->node_sym_name);
2092                 memcpy(attr->value, &fcs_hba_attr->node_sym_name, templen);
2093                 templen = fc_roundup(templen, sizeof(u32));
2094                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2095                 len += templen;
2096                 count++;
2097                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2098                                         sizeof(templen));
2099
2100                 attr = (struct fdmi_attr_s *) curr_ptr;
2101                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_VENDOR_ID);
2102                 templen = sizeof(fcs_hba_attr->vendor_info);
2103                 memcpy(attr->value, &fcs_hba_attr->vendor_info, templen);
2104                 templen = fc_roundup(templen, sizeof(u32));
2105                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2106                 len += templen;
2107                 count++;
2108                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2109                                         sizeof(templen));
2110
2111                 attr = (struct fdmi_attr_s *) curr_ptr;
2112                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NUM_PORTS);
2113                 templen = sizeof(fcs_hba_attr->num_ports);
2114                 memcpy(attr->value, &fcs_hba_attr->num_ports, templen);
2115                 templen = fc_roundup(templen, sizeof(u32));
2116                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2117                 len += templen;
2118                 count++;
2119                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2120                                         sizeof(templen));
2121
2122                 attr = (struct fdmi_attr_s *) curr_ptr;
2123                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FABRIC_NAME);
2124                 templen = sizeof(fcs_hba_attr->fabric_name);
2125                 memcpy(attr->value, &fcs_hba_attr->fabric_name, templen);
2126                 templen = fc_roundup(templen, sizeof(u32));
2127                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2128                 len += templen;
2129                 count++;
2130                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2131                                         sizeof(templen));
2132
2133                 attr = (struct fdmi_attr_s *) curr_ptr;
2134                 attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_BIOS_VER);
2135                 templen = sizeof(fcs_hba_attr->bios_ver);
2136                 memcpy(attr->value, &fcs_hba_attr->bios_ver, templen);
2137                 templen = fc_roundup(attr->len, sizeof(u32));
2138                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2139                 len += templen;
2140                 count++;
2141                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2142                                         sizeof(templen));
2143         }
2144
2145         /*
2146          * Update size of payload
2147          */
2148         len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2149
2150         rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
2151         return len;
2152 }
2153
2154 static void
2155 bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2156                                 void *cbarg, bfa_status_t req_status,
2157                                 u32 rsp_len, u32 resid_len,
2158                                 struct fchs_s *rsp_fchs)
2159 {
2160         struct bfa_fcs_lport_fdmi_s *fdmi =
2161                                 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2162         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2163         struct ct_hdr_s *cthdr = NULL;
2164
2165         bfa_trc(port->fcs, port->port_cfg.pwwn);
2166
2167         /*
2168          * Sanity Checks
2169          */
2170         if (req_status != BFA_STATUS_OK) {
2171                 bfa_trc(port->fcs, req_status);
2172                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2173                 return;
2174         }
2175
2176         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2177         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2178
2179         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2180                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2181                 return;
2182         }
2183
2184         bfa_trc(port->fcs, cthdr->reason_code);
2185         bfa_trc(port->fcs, cthdr->exp_code);
2186         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2187 }
2188
2189 /*
2190 *  RPRT : Register Port
2191  */
2192 static void
2193 bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2194 {
2195         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2196         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2197         struct fchs_s fchs;
2198         u16        len, attr_len;
2199         struct bfa_fcxp_s *fcxp;
2200         u8        *pyld;
2201
2202         bfa_trc(port->fcs, port->port_cfg.pwwn);
2203
2204         fcxp = fcxp_alloced ? fcxp_alloced :
2205                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2206         if (!fcxp) {
2207                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2208                                 bfa_fcs_lport_fdmi_send_rprt, fdmi, BFA_TRUE);
2209                 return;
2210         }
2211         fdmi->fcxp = fcxp;
2212
2213         pyld = bfa_fcxp_get_reqbuf(fcxp);
2214         memset(pyld, 0, FC_MAX_PDUSZ);
2215
2216         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2217                                    FDMI_RPRT);
2218
2219         attr_len =
2220                 bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
2221                                           (u8 *) ((struct ct_hdr_s *) pyld
2222                                                        + 1));
2223
2224         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2225                           FC_CLASS_3, len + attr_len, &fchs,
2226                           bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
2227                           FC_MAX_PDUSZ, FC_FCCT_TOV);
2228
2229         bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
2230 }
2231
2232 /*
2233  * This routine builds Port Attribute Block that used in RPA, RPRT commands.
2234  */
2235 static          u16
2236 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
2237                                        u8 *pyld)
2238 {
2239         struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2240         struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
2241         struct fdmi_attr_s *attr;
2242         u8        *curr_ptr;
2243         u16        len;
2244         u8      count = 0;
2245         u16     templen;
2246
2247         /*
2248          * get port attributes
2249          */
2250         bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2251
2252         len = sizeof(port_attrib->attr_count);
2253
2254         /*
2255          * fill out the invididual entries
2256          */
2257         curr_ptr = (u8 *) &port_attrib->port_attr;
2258
2259         /*
2260          * FC4 Types
2261          */
2262         attr = (struct fdmi_attr_s *) curr_ptr;
2263         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
2264         templen = sizeof(fcs_port_attr.supp_fc4_types);
2265         memcpy(attr->value, fcs_port_attr.supp_fc4_types, templen);
2266         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2267         len += templen;
2268         ++count;
2269         attr->len =
2270                 cpu_to_be16(templen + sizeof(attr->type) +
2271                              sizeof(templen));
2272
2273         /*
2274          * Supported Speed
2275          */
2276         attr = (struct fdmi_attr_s *) curr_ptr;
2277         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
2278         templen = sizeof(fcs_port_attr.supp_speed);
2279         memcpy(attr->value, &fcs_port_attr.supp_speed, templen);
2280         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2281         len += templen;
2282         ++count;
2283         attr->len =
2284                 cpu_to_be16(templen + sizeof(attr->type) +
2285                              sizeof(templen));
2286
2287         /*
2288          * current Port Speed
2289          */
2290         attr = (struct fdmi_attr_s *) curr_ptr;
2291         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
2292         templen = sizeof(fcs_port_attr.curr_speed);
2293         memcpy(attr->value, &fcs_port_attr.curr_speed, templen);
2294         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2295         len += templen;
2296         ++count;
2297         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2298                              sizeof(templen));
2299
2300         /*
2301          * max frame size
2302          */
2303         attr = (struct fdmi_attr_s *) curr_ptr;
2304         attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
2305         templen = sizeof(fcs_port_attr.max_frm_size);
2306         memcpy(attr->value, &fcs_port_attr.max_frm_size, templen);
2307         curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2308         len += templen;
2309         ++count;
2310         attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2311                              sizeof(templen));
2312
2313         /*
2314          * OS Device Name
2315          */
2316         if (fcs_port_attr.os_device_name[0] != '\0') {
2317                 attr = (struct fdmi_attr_s *) curr_ptr;
2318                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
2319                 templen = (u16) strlen(fcs_port_attr.os_device_name);
2320                 memcpy(attr->value, fcs_port_attr.os_device_name, templen);
2321                 templen = fc_roundup(templen, sizeof(u32));
2322                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2323                 len += templen;
2324                 ++count;
2325                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2326                                         sizeof(templen));
2327         }
2328         /*
2329          * Host Name
2330          */
2331         if (fcs_port_attr.host_name[0] != '\0') {
2332                 attr = (struct fdmi_attr_s *) curr_ptr;
2333                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
2334                 templen = (u16) strlen(fcs_port_attr.host_name);
2335                 memcpy(attr->value, fcs_port_attr.host_name, templen);
2336                 templen = fc_roundup(templen, sizeof(u32));
2337                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2338                 len += templen;
2339                 ++count;
2340                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2341                                 sizeof(templen));
2342         }
2343
2344         if (fdmi->retry_cnt == 0) {
2345                 attr = (struct fdmi_attr_s *) curr_ptr;
2346                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_NODE_NAME);
2347                 templen = sizeof(fcs_port_attr.node_name);
2348                 memcpy(attr->value, &fcs_port_attr.node_name, templen);
2349                 templen = fc_roundup(templen, sizeof(u32));
2350                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2351                 len += templen;
2352                 ++count;
2353                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2354                                  sizeof(templen));
2355
2356                 attr = (struct fdmi_attr_s *) curr_ptr;
2357                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NAME);
2358                 templen = sizeof(fcs_port_attr.port_name);
2359                 memcpy(attr->value, &fcs_port_attr.port_name, templen);
2360                 templen = fc_roundup(templen, sizeof(u32));
2361                 curr_ptr += sizeof(attr->type) + sizeof(attr->len) + templen;
2362                 len += templen;
2363                 ++count;
2364                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2365                                  sizeof(templen));
2366
2367                 if (fcs_port_attr.port_sym_name.symname[0] != '\0') {
2368                         attr = (struct fdmi_attr_s *) curr_ptr;
2369                         attr->type =
2370                                 cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SYM_NAME);
2371                         templen = sizeof(fcs_port_attr.port_sym_name);
2372                         memcpy(attr->value,
2373                                 &fcs_port_attr.port_sym_name, templen);
2374                         templen = fc_roundup(templen, sizeof(u32));
2375                         curr_ptr += sizeof(attr->type) +
2376                                         sizeof(templen) + templen;
2377                         len += templen;
2378                         ++count;
2379                         attr->len = cpu_to_be16(templen +
2380                                 sizeof(attr->type) + sizeof(templen));
2381                 }
2382
2383                 attr = (struct fdmi_attr_s *) curr_ptr;
2384                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_TYPE);
2385                 templen = sizeof(fcs_port_attr.port_type);
2386                 memcpy(attr->value, &fcs_port_attr.port_type, templen);
2387                 templen = fc_roundup(templen, sizeof(u32));
2388                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2389                 len += templen;
2390                 ++count;
2391                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2392                                  sizeof(templen));
2393
2394                 attr = (struct fdmi_attr_s *) curr_ptr;
2395                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_COS);
2396                 templen = sizeof(fcs_port_attr.scos);
2397                 memcpy(attr->value, &fcs_port_attr.scos, templen);
2398                 templen = fc_roundup(templen, sizeof(u32));
2399                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2400                 len += templen;
2401                 ++count;
2402                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2403                                  sizeof(templen));
2404
2405                 attr = (struct fdmi_attr_s *) curr_ptr;
2406                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FAB_NAME);
2407                 templen = sizeof(fcs_port_attr.port_fabric_name);
2408                 memcpy(attr->value, &fcs_port_attr.port_fabric_name, templen);
2409                 templen = fc_roundup(templen, sizeof(u32));
2410                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2411                 len += templen;
2412                 ++count;
2413                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2414                                  sizeof(templen));
2415
2416                 attr = (struct fdmi_attr_s *) curr_ptr;
2417                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FC4_TYPE);
2418                 templen = sizeof(fcs_port_attr.port_act_fc4_type);
2419                 memcpy(attr->value, fcs_port_attr.port_act_fc4_type,
2420                                 templen);
2421                 templen = fc_roundup(templen, sizeof(u32));
2422                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2423                 len += templen;
2424                 ++count;
2425                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2426                                  sizeof(templen));
2427
2428                 attr = (struct fdmi_attr_s *) curr_ptr;
2429                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_STATE);
2430                 templen = sizeof(fcs_port_attr.port_state);
2431                 memcpy(attr->value, &fcs_port_attr.port_state, templen);
2432                 templen = fc_roundup(templen, sizeof(u32));
2433                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2434                 len += templen;
2435                 ++count;
2436                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2437                                  sizeof(templen));
2438
2439                 attr = (struct fdmi_attr_s *) curr_ptr;
2440                 attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NUM_RPRT);
2441                 templen = sizeof(fcs_port_attr.num_ports);
2442                 memcpy(attr->value, &fcs_port_attr.num_ports, templen);
2443                 templen = fc_roundup(templen, sizeof(u32));
2444                 curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
2445                 len += templen;
2446                 ++count;
2447                 attr->len = cpu_to_be16(templen + sizeof(attr->type) +
2448                                 sizeof(templen));
2449         }
2450
2451         /*
2452          * Update size of payload
2453          */
2454         port_attrib->attr_count = cpu_to_be32(count);
2455         len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
2456         return len;
2457 }
2458
2459 static          u16
2460 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2461 {
2462         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2463         struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
2464         u16        len;
2465
2466         rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
2467         rprt->port_name = bfa_fcs_lport_get_pwwn(port);
2468
2469         len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2470                                 (u8 *) &rprt->port_attr_blk);
2471
2472         len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
2473
2474         return len;
2475 }
2476
2477 static void
2478 bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2479                                 void *cbarg, bfa_status_t req_status,
2480                                 u32 rsp_len, u32 resid_len,
2481                                 struct fchs_s *rsp_fchs)
2482 {
2483         struct bfa_fcs_lport_fdmi_s *fdmi =
2484                         (struct bfa_fcs_lport_fdmi_s *) cbarg;
2485         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2486         struct ct_hdr_s *cthdr = NULL;
2487
2488         bfa_trc(port->fcs, port->port_cfg.pwwn);
2489
2490         /*
2491          * Sanity Checks
2492          */
2493         if (req_status != BFA_STATUS_OK) {
2494                 bfa_trc(port->fcs, req_status);
2495                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2496                 return;
2497         }
2498
2499         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2500         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2501
2502         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2503                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2504                 return;
2505         }
2506
2507         bfa_trc(port->fcs, cthdr->reason_code);
2508         bfa_trc(port->fcs, cthdr->exp_code);
2509         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2510 }
2511
2512 /*
2513 *  RPA : Register Port Attributes.
2514  */
2515 static void
2516 bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
2517 {
2518         struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
2519         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2520         struct fchs_s fchs;
2521         u16        len, attr_len;
2522         struct bfa_fcxp_s *fcxp;
2523         u8        *pyld;
2524
2525         bfa_trc(port->fcs, port->port_cfg.pwwn);
2526
2527         fcxp = fcxp_alloced ? fcxp_alloced :
2528                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
2529         if (!fcxp) {
2530                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
2531                                 bfa_fcs_lport_fdmi_send_rpa, fdmi, BFA_TRUE);
2532                 return;
2533         }
2534         fdmi->fcxp = fcxp;
2535
2536         pyld = bfa_fcxp_get_reqbuf(fcxp);
2537         memset(pyld, 0, FC_MAX_PDUSZ);
2538
2539         len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
2540                                    FDMI_RPA);
2541
2542         attr_len = bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
2543                                 (u8 *) ((struct ct_hdr_s *) pyld + 1));
2544
2545         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
2546                           FC_CLASS_3, len + attr_len, &fchs,
2547                           bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
2548                           FC_MAX_PDUSZ, FC_FCCT_TOV);
2549
2550         bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
2551 }
2552
2553 static          u16
2554 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
2555 {
2556         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2557         struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
2558         u16        len;
2559
2560         rpa->port_name = bfa_fcs_lport_get_pwwn(port);
2561
2562         len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
2563                                 (u8 *) &rpa->port_attr_blk);
2564
2565         len += sizeof(rpa->port_name);
2566
2567         return len;
2568 }
2569
2570 static void
2571 bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
2572                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
2573                         u32 resid_len, struct fchs_s *rsp_fchs)
2574 {
2575         struct bfa_fcs_lport_fdmi_s *fdmi =
2576                                 (struct bfa_fcs_lport_fdmi_s *) cbarg;
2577         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2578         struct ct_hdr_s *cthdr = NULL;
2579
2580         bfa_trc(port->fcs, port->port_cfg.pwwn);
2581
2582         /*
2583          * Sanity Checks
2584          */
2585         if (req_status != BFA_STATUS_OK) {
2586                 bfa_trc(port->fcs, req_status);
2587                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2588                 return;
2589         }
2590
2591         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
2592         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
2593
2594         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
2595                 bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
2596                 return;
2597         }
2598
2599         bfa_trc(port->fcs, cthdr->reason_code);
2600         bfa_trc(port->fcs, cthdr->exp_code);
2601         bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
2602 }
2603
2604 static void
2605 bfa_fcs_lport_fdmi_timeout(void *arg)
2606 {
2607         struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
2608
2609         bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
2610 }
2611
2612 static void
2613 bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2614                          struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
2615 {
2616         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2617         struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
2618         struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
2619
2620         memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
2621
2622         bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
2623                                         hba_attr->manufacturer);
2624         bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
2625                                         hba_attr->serial_num);
2626         bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2627                                         hba_attr->model);
2628         bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
2629                                         hba_attr->model_desc);
2630         bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
2631                                         hba_attr->hw_version);
2632         bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
2633                                         hba_attr->option_rom_ver);
2634         bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
2635                                         hba_attr->fw_version);
2636
2637         strlcpy(hba_attr->driver_version, (char *)driver_info->version,
2638                 sizeof(hba_attr->driver_version));
2639
2640         strlcpy(hba_attr->os_name, driver_info->host_os_name,
2641                 sizeof(hba_attr->os_name));
2642
2643         /*
2644          * If there is a patch level, append it
2645          * to the os name along with a separator
2646          */
2647         if (driver_info->host_os_patch[0] != '\0') {
2648                 strlcat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
2649                         sizeof(hba_attr->os_name));
2650                 strlcat(hba_attr->os_name, driver_info->host_os_patch,
2651                                 sizeof(hba_attr->os_name));
2652         }
2653
2654         /* Retrieve the max frame size from the port attr */
2655         bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
2656         hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
2657
2658         strlcpy(hba_attr->node_sym_name.symname,
2659                 port->port_cfg.node_sym_name.symname, BFA_SYMNAME_MAXLEN);
2660         strcpy(hba_attr->vendor_info, "QLogic");
2661         hba_attr->num_ports =
2662                 cpu_to_be32(bfa_ioc_get_nports(&port->fcs->bfa->ioc));
2663         hba_attr->fabric_name = port->fabric->lps->pr_nwwn;
2664         strlcpy(hba_attr->bios_ver, hba_attr->option_rom_ver, BFA_VERSION_LEN);
2665
2666 }
2667
2668 static void
2669 bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
2670                           struct bfa_fcs_fdmi_port_attr_s *port_attr)
2671 {
2672         struct bfa_fcs_lport_s *port = fdmi->ms->port;
2673         struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
2674         struct bfa_port_attr_s pport_attr;
2675         struct bfa_lport_attr_s lport_attr;
2676
2677         memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
2678
2679         /*
2680          * get pport attributes from hal
2681          */
2682         bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
2683
2684         /*
2685          * get FC4 type Bitmask
2686          */
2687         fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
2688
2689         /*
2690          * Supported Speeds
2691          */
2692         switch (pport_attr.speed_supported) {
2693         case BFA_PORT_SPEED_16GBPS:
2694                 port_attr->supp_speed =
2695                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_16G);
2696                 break;
2697
2698         case BFA_PORT_SPEED_10GBPS:
2699                 port_attr->supp_speed =
2700                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_10G);
2701                 break;
2702
2703         case BFA_PORT_SPEED_8GBPS:
2704                 port_attr->supp_speed =
2705                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_8G);
2706                 break;
2707
2708         case BFA_PORT_SPEED_4GBPS:
2709                 port_attr->supp_speed =
2710                         cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_4G);
2711                 break;
2712
2713         default:
2714                 bfa_sm_fault(port->fcs, pport_attr.speed_supported);
2715         }
2716
2717         /*
2718          * Current Speed
2719          */
2720         port_attr->curr_speed = cpu_to_be32(
2721                                 bfa_fcs_fdmi_convert_speed(pport_attr.speed));
2722
2723         /*
2724          * Max PDU Size.
2725          */
2726         port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);
2727
2728         /*
2729          * OS device Name
2730          */
2731         strlcpy(port_attr->os_device_name, driver_info->os_device_name,
2732                 sizeof(port_attr->os_device_name));
2733
2734         /*
2735          * Host name
2736          */
2737         strlcpy(port_attr->host_name, driver_info->host_machine_name,
2738                 sizeof(port_attr->host_name));
2739
2740         port_attr->node_name = bfa_fcs_lport_get_nwwn(port);
2741         port_attr->port_name = bfa_fcs_lport_get_pwwn(port);
2742
2743         strlcpy(port_attr->port_sym_name.symname,
2744                 bfa_fcs_lport_get_psym_name(port).symname, BFA_SYMNAME_MAXLEN);
2745         bfa_fcs_lport_get_attr(port, &lport_attr);
2746         port_attr->port_type = cpu_to_be32(lport_attr.port_type);
2747         port_attr->scos = pport_attr.cos_supported;
2748         port_attr->port_fabric_name = port->fabric->lps->pr_nwwn;
2749         fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->port_act_fc4_type);
2750         port_attr->port_state = cpu_to_be32(pport_attr.port_state);
2751         port_attr->num_ports = cpu_to_be32(port->num_rports);
2752 }
2753
2754 /*
2755  * Convert BFA speed to FDMI format.
2756  */
2757 u32
2758 bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)
2759 {
2760         u32     ret;
2761
2762         switch (pport_speed) {
2763         case BFA_PORT_SPEED_1GBPS:
2764         case BFA_PORT_SPEED_2GBPS:
2765                 ret = pport_speed;
2766                 break;
2767
2768         case BFA_PORT_SPEED_4GBPS:
2769                 ret = FDMI_TRANS_SPEED_4G;
2770                 break;
2771
2772         case BFA_PORT_SPEED_8GBPS:
2773                 ret = FDMI_TRANS_SPEED_8G;
2774                 break;
2775
2776         case BFA_PORT_SPEED_10GBPS:
2777                 ret = FDMI_TRANS_SPEED_10G;
2778                 break;
2779
2780         case BFA_PORT_SPEED_16GBPS:
2781                 ret = FDMI_TRANS_SPEED_16G;
2782                 break;
2783
2784         default:
2785                 ret = FDMI_TRANS_SPEED_UNKNOWN;
2786         }
2787         return ret;
2788 }
2789
2790 void
2791 bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
2792 {
2793         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2794
2795         fdmi->ms = ms;
2796         if (ms->port->fcs->fdmi_enabled)
2797                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
2798         else
2799                 bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
2800 }
2801
2802 void
2803 bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
2804 {
2805         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2806
2807         fdmi->ms = ms;
2808         bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
2809 }
2810
2811 void
2812 bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
2813 {
2814         struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
2815
2816         fdmi->ms = ms;
2817         bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
2818 }
2819
2820 #define BFA_FCS_MS_CMD_MAX_RETRIES  2
2821
2822 /*
2823  * forward declarations
2824  */
2825 static void     bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
2826                                            struct bfa_fcxp_s *fcxp_alloced);
2827 static void     bfa_fcs_lport_ms_timeout(void *arg);
2828 static void     bfa_fcs_lport_ms_plogi_response(void *fcsarg,
2829                                                struct bfa_fcxp_s *fcxp,
2830                                                void *cbarg,
2831                                                bfa_status_t req_status,
2832                                                u32 rsp_len,
2833                                                u32 resid_len,
2834                                                struct fchs_s *rsp_fchs);
2835
2836 static void     bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
2837                                         struct bfa_fcxp_s *fcxp_alloced);
2838 static void     bfa_fcs_lport_ms_gmal_response(void *fcsarg,
2839                                                struct bfa_fcxp_s *fcxp,
2840                                                void *cbarg,
2841                                                bfa_status_t req_status,
2842                                                u32 rsp_len,
2843                                                u32 resid_len,
2844                                                struct fchs_s *rsp_fchs);
2845 static void     bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
2846                                         struct bfa_fcxp_s *fcxp_alloced);
2847 static void     bfa_fcs_lport_ms_gfn_response(void *fcsarg,
2848                                                struct bfa_fcxp_s *fcxp,
2849                                                void *cbarg,
2850                                                bfa_status_t req_status,
2851                                                u32 rsp_len,
2852                                                u32 resid_len,
2853                                                struct fchs_s *rsp_fchs);
2854 /*
2855  *  fcs_ms_sm FCS MS state machine
2856  */
2857
2858 /*
2859  *  MS State Machine events
2860  */
2861 enum port_ms_event {
2862         MSSM_EVENT_PORT_ONLINE = 1,
2863         MSSM_EVENT_PORT_OFFLINE = 2,
2864         MSSM_EVENT_RSP_OK = 3,
2865         MSSM_EVENT_RSP_ERROR = 4,
2866         MSSM_EVENT_TIMEOUT = 5,
2867         MSSM_EVENT_FCXP_SENT = 6,
2868         MSSM_EVENT_PORT_FABRIC_RSCN = 7
2869 };
2870
2871 static void     bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2872                                            enum port_ms_event event);
2873 static void     bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2874                                                  enum port_ms_event event);
2875 static void     bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2876                                          enum port_ms_event event);
2877 static void     bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2878                                                enum port_ms_event event);
2879 static void     bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
2880                                                  enum port_ms_event event);
2881 static void     bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
2882                                          enum port_ms_event event);
2883 static void     bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
2884                                                enum port_ms_event event);
2885 static void     bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
2886                                                  enum port_ms_event event);
2887 static void     bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
2888                                          enum port_ms_event event);
2889 static void     bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
2890                                                enum port_ms_event event);
2891 static void     bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
2892                                           enum port_ms_event event);
2893 /*
2894  *      Start in offline state - awaiting NS to send start.
2895  */
2896 static void
2897 bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
2898                                 enum port_ms_event event)
2899 {
2900         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2901         bfa_trc(ms->port->fcs, event);
2902
2903         switch (event) {
2904         case MSSM_EVENT_PORT_ONLINE:
2905                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
2906                 bfa_fcs_lport_ms_send_plogi(ms, NULL);
2907                 break;
2908
2909         case MSSM_EVENT_PORT_OFFLINE:
2910                 break;
2911
2912         default:
2913                 bfa_sm_fault(ms->port->fcs, event);
2914         }
2915 }
2916
2917 static void
2918 bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
2919                                 enum port_ms_event event)
2920 {
2921         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2922         bfa_trc(ms->port->fcs, event);
2923
2924         switch (event) {
2925         case MSSM_EVENT_FCXP_SENT:
2926                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
2927                 break;
2928
2929         case MSSM_EVENT_PORT_OFFLINE:
2930                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2931                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2932                                            &ms->fcxp_wqe);
2933                 break;
2934
2935         default:
2936                 bfa_sm_fault(ms->port->fcs, event);
2937         }
2938 }
2939
2940 static void
2941 bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
2942                         enum port_ms_event event)
2943 {
2944         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2945         bfa_trc(ms->port->fcs, event);
2946
2947         switch (event) {
2948         case MSSM_EVENT_RSP_ERROR:
2949                 /*
2950                  * Start timer for a delayed retry
2951                  */
2952                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
2953                 ms->port->stats.ms_retries++;
2954                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
2955                                     &ms->timer, bfa_fcs_lport_ms_timeout, ms,
2956                                     BFA_FCS_RETRY_TIMEOUT);
2957                 break;
2958
2959         case MSSM_EVENT_RSP_OK:
2960                 /*
2961                  * since plogi is done, now invoke MS related sub-modules
2962                  */
2963                 bfa_fcs_lport_fdmi_online(ms);
2964
2965                 /*
2966                  * if this is a Vport, go to online state.
2967                  */
2968                 if (ms->port->vport) {
2969                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
2970                         break;
2971                 }
2972
2973                 /*
2974                  * For a base port we need to get the
2975                  * switch's IP address.
2976                  */
2977                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
2978                 bfa_fcs_lport_ms_send_gmal(ms, NULL);
2979                 break;
2980
2981         case MSSM_EVENT_PORT_OFFLINE:
2982                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
2983                 bfa_fcxp_discard(ms->fcxp);
2984                 break;
2985
2986         default:
2987                 bfa_sm_fault(ms->port->fcs, event);
2988         }
2989 }
2990
2991 static void
2992 bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
2993                         enum port_ms_event event)
2994 {
2995         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
2996         bfa_trc(ms->port->fcs, event);
2997
2998         switch (event) {
2999         case MSSM_EVENT_TIMEOUT:
3000                 /*
3001                  * Retry Timer Expired. Re-send
3002                  */
3003                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
3004                 bfa_fcs_lport_ms_send_plogi(ms, NULL);
3005                 break;
3006
3007         case MSSM_EVENT_PORT_OFFLINE:
3008                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3009                 bfa_timer_stop(&ms->timer);
3010                 break;
3011
3012         default:
3013                 bfa_sm_fault(ms->port->fcs, event);
3014         }
3015 }
3016
3017 static void
3018 bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
3019                         enum port_ms_event event)
3020 {
3021         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3022         bfa_trc(ms->port->fcs, event);
3023
3024         switch (event) {
3025         case MSSM_EVENT_PORT_OFFLINE:
3026                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3027                 break;
3028
3029         case MSSM_EVENT_PORT_FABRIC_RSCN:
3030                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3031                 ms->retry_cnt = 0;
3032                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3033                 break;
3034
3035         default:
3036                 bfa_sm_fault(ms->port->fcs, event);
3037         }
3038 }
3039
3040 static void
3041 bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
3042                                 enum port_ms_event event)
3043 {
3044         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3045         bfa_trc(ms->port->fcs, event);
3046
3047         switch (event) {
3048         case MSSM_EVENT_FCXP_SENT:
3049                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
3050                 break;
3051
3052         case MSSM_EVENT_PORT_OFFLINE:
3053                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3054                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3055                                            &ms->fcxp_wqe);
3056                 break;
3057
3058         default:
3059                 bfa_sm_fault(ms->port->fcs, event);
3060         }
3061 }
3062
3063 static void
3064 bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
3065                                 enum port_ms_event event)
3066 {
3067         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3068         bfa_trc(ms->port->fcs, event);
3069
3070         switch (event) {
3071         case MSSM_EVENT_RSP_ERROR:
3072                 /*
3073                  * Start timer for a delayed retry
3074                  */
3075                 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3076                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
3077                         ms->port->stats.ms_retries++;
3078                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3079                                 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
3080                                 BFA_FCS_RETRY_TIMEOUT);
3081                 } else {
3082                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3083                         bfa_fcs_lport_ms_send_gfn(ms, NULL);
3084                         ms->retry_cnt = 0;
3085                 }
3086                 break;
3087
3088         case MSSM_EVENT_RSP_OK:
3089                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3090                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3091                 break;
3092
3093         case MSSM_EVENT_PORT_OFFLINE:
3094                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3095                 bfa_fcxp_discard(ms->fcxp);
3096                 break;
3097
3098         default:
3099                 bfa_sm_fault(ms->port->fcs, event);
3100         }
3101 }
3102
3103 static void
3104 bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
3105                                 enum port_ms_event event)
3106 {
3107         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3108         bfa_trc(ms->port->fcs, event);
3109
3110         switch (event) {
3111         case MSSM_EVENT_TIMEOUT:
3112                 /*
3113                  * Retry Timer Expired. Re-send
3114                  */
3115                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
3116                 bfa_fcs_lport_ms_send_gmal(ms, NULL);
3117                 break;
3118
3119         case MSSM_EVENT_PORT_OFFLINE:
3120                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3121                 bfa_timer_stop(&ms->timer);
3122                 break;
3123
3124         default:
3125                 bfa_sm_fault(ms->port->fcs, event);
3126         }
3127 }
3128 /*
3129  *  ms_pvt MS local functions
3130  */
3131
3132 static void
3133 bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3134 {
3135         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3136         bfa_fcs_lport_t *port = ms->port;
3137         struct fchs_s   fchs;
3138         int             len;
3139         struct bfa_fcxp_s *fcxp;
3140
3141         bfa_trc(port->fcs, port->pid);
3142
3143         fcxp = fcxp_alloced ? fcxp_alloced :
3144                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3145         if (!fcxp) {
3146                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3147                                 bfa_fcs_lport_ms_send_gmal, ms, BFA_TRUE);
3148                 return;
3149         }
3150         ms->fcxp = fcxp;
3151
3152         len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3153                              bfa_fcs_lport_get_fcid(port),
3154                                  port->fabric->lps->pr_nwwn);
3155
3156         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3157                           FC_CLASS_3, len, &fchs,
3158                           bfa_fcs_lport_ms_gmal_response, (void *)ms,
3159                           FC_MAX_PDUSZ, FC_FCCT_TOV);
3160
3161         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3162 }
3163
3164 static void
3165 bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3166                                 void *cbarg, bfa_status_t req_status,
3167                                 u32 rsp_len, u32 resid_len,
3168                                 struct fchs_s *rsp_fchs)
3169 {
3170         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3171         bfa_fcs_lport_t *port = ms->port;
3172         struct ct_hdr_s         *cthdr = NULL;
3173         struct fcgs_gmal_resp_s *gmal_resp;
3174         struct fcgs_gmal_entry_s *gmal_entry;
3175         u32             num_entries;
3176         u8                      *rsp_str;
3177
3178         bfa_trc(port->fcs, req_status);
3179         bfa_trc(port->fcs, port->port_cfg.pwwn);
3180
3181         /*
3182          * Sanity Checks
3183          */
3184         if (req_status != BFA_STATUS_OK) {
3185                 bfa_trc(port->fcs, req_status);
3186                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3187                 return;
3188         }
3189
3190         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3191         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3192
3193         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3194                 gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
3195
3196                 num_entries = be32_to_cpu(gmal_resp->ms_len);
3197                 if (num_entries == 0) {
3198                         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3199                         return;
3200                 }
3201                 /*
3202                 * The response could contain multiple Entries.
3203                 * Entries for SNMP interface, etc.
3204                 * We look for the entry with a telnet prefix.
3205                 * First "http://" entry refers to IP addr
3206                 */
3207
3208                 gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
3209                 while (num_entries > 0) {
3210                         if (strncmp(gmal_entry->prefix,
3211                                 CT_GMAL_RESP_PREFIX_HTTP,
3212                                 sizeof(gmal_entry->prefix)) == 0) {
3213
3214                                 /*
3215                                 * if the IP address is terminating with a '/',
3216                                 * remove it.
3217                                 * Byte 0 consists of the length of the string.
3218                                 */
3219                                 rsp_str = &(gmal_entry->prefix[0]);
3220                                 if (rsp_str[gmal_entry->len-1] == '/')
3221                                         rsp_str[gmal_entry->len-1] = 0;
3222
3223                                 /* copy IP Address to fabric */
3224                                 strlcpy(bfa_fcs_lport_get_fabric_ipaddr(port),
3225                                         gmal_entry->ip_addr,
3226                                         BFA_FCS_FABRIC_IPADDR_SZ);
3227                                 break;
3228                         } else {
3229                                 --num_entries;
3230                                 ++gmal_entry;
3231                         }
3232                 }
3233
3234                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3235                 return;
3236         }
3237
3238         bfa_trc(port->fcs, cthdr->reason_code);
3239         bfa_trc(port->fcs, cthdr->exp_code);
3240         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3241 }
3242
3243 static void
3244 bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
3245                         enum port_ms_event event)
3246 {
3247         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3248         bfa_trc(ms->port->fcs, event);
3249
3250         switch (event) {
3251         case MSSM_EVENT_FCXP_SENT:
3252                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
3253                 break;
3254
3255         case MSSM_EVENT_PORT_OFFLINE:
3256                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3257                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3258                                            &ms->fcxp_wqe);
3259                 break;
3260
3261         default:
3262                 bfa_sm_fault(ms->port->fcs, event);
3263         }
3264 }
3265
3266 static void
3267 bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
3268                         enum port_ms_event event)
3269 {
3270         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3271         bfa_trc(ms->port->fcs, event);
3272
3273         switch (event) {
3274         case MSSM_EVENT_RSP_ERROR:
3275                 /*
3276                  * Start timer for a delayed retry
3277                  */
3278                 if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
3279                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
3280                         ms->port->stats.ms_retries++;
3281                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
3282                                 &ms->timer, bfa_fcs_lport_ms_timeout, ms,
3283                                 BFA_FCS_RETRY_TIMEOUT);
3284                 } else {
3285                         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3286                         ms->retry_cnt = 0;
3287                 }
3288                 break;
3289
3290         case MSSM_EVENT_RSP_OK:
3291                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
3292                 break;
3293
3294         case MSSM_EVENT_PORT_OFFLINE:
3295                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3296                 bfa_fcxp_discard(ms->fcxp);
3297                 break;
3298
3299         default:
3300                 bfa_sm_fault(ms->port->fcs, event);
3301         }
3302 }
3303
3304 static void
3305 bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
3306                                 enum port_ms_event event)
3307 {
3308         bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
3309         bfa_trc(ms->port->fcs, event);
3310
3311         switch (event) {
3312         case MSSM_EVENT_TIMEOUT:
3313                 /*
3314                  * Retry Timer Expired. Re-send
3315                  */
3316                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
3317                 bfa_fcs_lport_ms_send_gfn(ms, NULL);
3318                 break;
3319
3320         case MSSM_EVENT_PORT_OFFLINE:
3321                 bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3322                 bfa_timer_stop(&ms->timer);
3323                 break;
3324
3325         default:
3326                 bfa_sm_fault(ms->port->fcs, event);
3327         }
3328 }
3329 /*
3330  *  ms_pvt MS local functions
3331  */
3332
3333 static void
3334 bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3335 {
3336         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3337         bfa_fcs_lport_t *port = ms->port;
3338         struct fchs_s           fchs;
3339         int                     len;
3340         struct bfa_fcxp_s *fcxp;
3341
3342         bfa_trc(port->fcs, port->pid);
3343
3344         fcxp = fcxp_alloced ? fcxp_alloced :
3345                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3346         if (!fcxp) {
3347                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3348                                 bfa_fcs_lport_ms_send_gfn, ms, BFA_TRUE);
3349                 return;
3350         }
3351         ms->fcxp = fcxp;
3352
3353         len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3354                              bfa_fcs_lport_get_fcid(port),
3355                                  port->fabric->lps->pr_nwwn);
3356
3357         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3358                           FC_CLASS_3, len, &fchs,
3359                           bfa_fcs_lport_ms_gfn_response, (void *)ms,
3360                           FC_MAX_PDUSZ, FC_FCCT_TOV);
3361
3362         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3363 }
3364
3365 static void
3366 bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3367                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
3368                         u32 resid_len, struct fchs_s *rsp_fchs)
3369 {
3370         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3371         bfa_fcs_lport_t *port = ms->port;
3372         struct ct_hdr_s *cthdr = NULL;
3373         wwn_t          *gfn_resp;
3374
3375         bfa_trc(port->fcs, req_status);
3376         bfa_trc(port->fcs, port->port_cfg.pwwn);
3377
3378         /*
3379          * Sanity Checks
3380          */
3381         if (req_status != BFA_STATUS_OK) {
3382                 bfa_trc(port->fcs, req_status);
3383                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3384                 return;
3385         }
3386
3387         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
3388         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
3389
3390         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
3391                 gfn_resp = (wwn_t *)(cthdr + 1);
3392                 /* check if it has actually changed */
3393                 if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
3394                                 gfn_resp, sizeof(wwn_t)) != 0)) {
3395                         bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
3396                 }
3397                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3398                 return;
3399         }
3400
3401         bfa_trc(port->fcs, cthdr->reason_code);
3402         bfa_trc(port->fcs, cthdr->exp_code);
3403         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3404 }
3405
3406 /*
3407  *  ms_pvt MS local functions
3408  */
3409
3410 static void
3411 bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
3412 {
3413         struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
3414         struct bfa_fcs_lport_s *port = ms->port;
3415         struct fchs_s   fchs;
3416         int     len;
3417         struct bfa_fcxp_s *fcxp;
3418
3419         bfa_trc(port->fcs, port->pid);
3420
3421         fcxp = fcxp_alloced ? fcxp_alloced :
3422                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
3423         if (!fcxp) {
3424                 port->stats.ms_plogi_alloc_wait++;
3425                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
3426                                 bfa_fcs_lport_ms_send_plogi, ms, BFA_TRUE);
3427                 return;
3428         }
3429         ms->fcxp = fcxp;
3430
3431         len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
3432                              bfa_hton3b(FC_MGMT_SERVER),
3433                              bfa_fcs_lport_get_fcid(port), 0,
3434                              port->port_cfg.pwwn, port->port_cfg.nwwn,
3435                              bfa_fcport_get_maxfrsize(port->fcs->bfa),
3436                              bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
3437
3438         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
3439                           FC_CLASS_3, len, &fchs,
3440                           bfa_fcs_lport_ms_plogi_response, (void *)ms,
3441                           FC_MAX_PDUSZ, FC_ELS_TOV);
3442
3443         port->stats.ms_plogi_sent++;
3444         bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
3445 }
3446
3447 static void
3448 bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
3449                         void *cbarg, bfa_status_t req_status,
3450                         u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
3451 {
3452         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
3453         struct bfa_fcs_lport_s *port = ms->port;
3454         struct fc_els_cmd_s *els_cmd;
3455         struct fc_ls_rjt_s *ls_rjt;
3456
3457         bfa_trc(port->fcs, req_status);
3458         bfa_trc(port->fcs, port->port_cfg.pwwn);
3459
3460         /*
3461          * Sanity Checks
3462          */
3463         if (req_status != BFA_STATUS_OK) {
3464                 port->stats.ms_plogi_rsp_err++;
3465                 bfa_trc(port->fcs, req_status);
3466                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3467                 return;
3468         }
3469
3470         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
3471
3472         switch (els_cmd->els_code) {
3473
3474         case FC_ELS_ACC:
3475                 if (rsp_len < sizeof(struct fc_logi_s)) {
3476                         bfa_trc(port->fcs, rsp_len);
3477                         port->stats.ms_plogi_acc_err++;
3478                         bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3479                         break;
3480                 }
3481                 port->stats.ms_plogi_accepts++;
3482                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
3483                 break;
3484
3485         case FC_ELS_LS_RJT:
3486                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
3487
3488                 bfa_trc(port->fcs, ls_rjt->reason_code);
3489                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
3490
3491                 port->stats.ms_rejects++;
3492                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3493                 break;
3494
3495         default:
3496                 port->stats.ms_plogi_unknown_rsp++;
3497                 bfa_trc(port->fcs, els_cmd->els_code);
3498                 bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
3499         }
3500 }
3501
3502 static void
3503 bfa_fcs_lport_ms_timeout(void *arg)
3504 {
3505         struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
3506
3507         ms->port->stats.ms_timeouts++;
3508         bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
3509 }
3510
3511
3512 void
3513 bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
3514 {
3515         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3516
3517         ms->port = port;
3518         bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
3519
3520         /*
3521          * Invoke init routines of sub modules.
3522          */
3523         bfa_fcs_lport_fdmi_init(ms);
3524 }
3525
3526 void
3527 bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
3528 {
3529         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3530
3531         ms->port = port;
3532         bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
3533         bfa_fcs_lport_fdmi_offline(ms);
3534 }
3535
3536 void
3537 bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
3538 {
3539         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3540
3541         ms->port = port;
3542         bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
3543 }
3544 void
3545 bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
3546 {
3547         struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
3548
3549         /* todo.  Handle this only  when in Online state */
3550         if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
3551                 bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
3552 }
3553
3554 /*
3555  * @page ns_sm_info VPORT NS State Machine
3556  *
3557  * @section ns_sm_interactions VPORT NS State Machine Interactions
3558  *
3559  * @section ns_sm VPORT NS State Machine
3560  * img ns_sm.jpg
3561  */
3562
3563 /*
3564  * forward declarations
3565  */
3566 static void     bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
3567                                            struct bfa_fcxp_s *fcxp_alloced);
3568 static void     bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
3569                                              struct bfa_fcxp_s *fcxp_alloced);
3570 static void     bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
3571                                             struct bfa_fcxp_s *fcxp_alloced);
3572 static void     bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
3573                                             struct bfa_fcxp_s *fcxp_alloced);
3574 static void     bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
3575                                             struct bfa_fcxp_s *fcxp_alloced);
3576 static void     bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg,
3577                                         struct bfa_fcxp_s *fcxp_alloced);
3578 static void     bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg,
3579                                         struct bfa_fcxp_s *fcxp_alloced);
3580 static void     bfa_fcs_lport_ns_timeout(void *arg);
3581 static void     bfa_fcs_lport_ns_plogi_response(void *fcsarg,
3582                                                struct bfa_fcxp_s *fcxp,
3583                                                void *cbarg,
3584                                                bfa_status_t req_status,
3585                                                u32 rsp_len,
3586                                                u32 resid_len,
3587                                                struct fchs_s *rsp_fchs);
3588 static void     bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
3589                                                  struct bfa_fcxp_s *fcxp,
3590                                                  void *cbarg,
3591                                                  bfa_status_t req_status,
3592                                                  u32 rsp_len,
3593                                                  u32 resid_len,
3594                                                  struct fchs_s *rsp_fchs);
3595 static void     bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
3596                                                 struct bfa_fcxp_s *fcxp,
3597                                                 void *cbarg,
3598                                                 bfa_status_t req_status,
3599                                                 u32 rsp_len,
3600                                                 u32 resid_len,
3601                                                 struct fchs_s *rsp_fchs);
3602 static void     bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
3603                                                 struct bfa_fcxp_s *fcxp,
3604                                                 void *cbarg,
3605                                                 bfa_status_t req_status,
3606                                                 u32 rsp_len,
3607                                                 u32 resid_len,
3608                                                 struct fchs_s *rsp_fchs);
3609 static void     bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
3610                                                 struct bfa_fcxp_s *fcxp,
3611                                                 void *cbarg,
3612                                                 bfa_status_t req_status,
3613                                                 u32 rsp_len,
3614                                                 u32 resid_len,
3615                                                 struct fchs_s *rsp_fchs);
3616 static void     bfa_fcs_lport_ns_rnn_id_response(void *fcsarg,
3617                                                 struct bfa_fcxp_s *fcxp,
3618                                                 void *cbarg,
3619                                                 bfa_status_t req_status,
3620                                                 u32 rsp_len,
3621                                                 u32 resid_len,
3622                                                 struct fchs_s *rsp_fchs);
3623 static void     bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg,
3624                                                 struct bfa_fcxp_s *fcxp,
3625                                                 void *cbarg,
3626                                                 bfa_status_t req_status,
3627                                                 u32 rsp_len,
3628                                                 u32 resid_len,
3629                                                 struct fchs_s *rsp_fchs);
3630 static void     bfa_fcs_lport_ns_process_gidft_pids(
3631                                 struct bfa_fcs_lport_s *port,
3632                                 u32 *pid_buf, u32 n_pids);
3633
3634 static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
3635 /*
3636  *  fcs_ns_sm FCS nameserver interface state machine
3637  */
3638
3639 /*
3640  * VPort NS State Machine events
3641  */
3642 enum vport_ns_event {
3643         NSSM_EVENT_PORT_ONLINE = 1,
3644         NSSM_EVENT_PORT_OFFLINE = 2,
3645         NSSM_EVENT_PLOGI_SENT = 3,
3646         NSSM_EVENT_RSP_OK = 4,
3647         NSSM_EVENT_RSP_ERROR = 5,
3648         NSSM_EVENT_TIMEOUT = 6,
3649         NSSM_EVENT_NS_QUERY = 7,
3650         NSSM_EVENT_RSPNID_SENT = 8,
3651         NSSM_EVENT_RFTID_SENT = 9,
3652         NSSM_EVENT_RFFID_SENT = 10,
3653         NSSM_EVENT_GIDFT_SENT = 11,
3654         NSSM_EVENT_RNNID_SENT = 12,
3655         NSSM_EVENT_RSNN_NN_SENT = 13,
3656 };
3657
3658 static void     bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3659                                            enum vport_ns_event event);
3660 static void     bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3661                                                  enum vport_ns_event event);
3662 static void     bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3663                                          enum vport_ns_event event);
3664 static void     bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3665                                                enum vport_ns_event event);
3666 static void     bfa_fcs_lport_ns_sm_sending_rspn_id(
3667                                         struct bfa_fcs_lport_ns_s *ns,
3668                                         enum vport_ns_event event);
3669 static void     bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3670                                            enum vport_ns_event event);
3671 static void     bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3672                                                  enum vport_ns_event event);
3673 static void     bfa_fcs_lport_ns_sm_sending_rft_id(
3674                                         struct bfa_fcs_lport_ns_s *ns,
3675                                         enum vport_ns_event event);
3676 static void     bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
3677                                                 enum vport_ns_event event);
3678 static void     bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
3679                                           enum vport_ns_event event);
3680 static void     bfa_fcs_lport_ns_sm_sending_rff_id(
3681                                         struct bfa_fcs_lport_ns_s *ns,
3682                                         enum vport_ns_event event);
3683 static void     bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
3684                                                 enum vport_ns_event event);
3685 static void     bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
3686                                           enum vport_ns_event event);
3687 static void     bfa_fcs_lport_ns_sm_sending_gid_ft(
3688                                         struct bfa_fcs_lport_ns_s *ns,
3689                                         enum vport_ns_event event);
3690 static void     bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
3691                                           enum vport_ns_event event);
3692 static void     bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
3693                                                 enum vport_ns_event event);
3694 static void     bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
3695                                           enum vport_ns_event event);
3696 static void     bfa_fcs_lport_ns_sm_sending_rnn_id(
3697                                         struct bfa_fcs_lport_ns_s *ns,
3698                                         enum vport_ns_event event);
3699 static void     bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3700                                         enum vport_ns_event event);
3701 static void     bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3702                                                 enum vport_ns_event event);
3703 static void     bfa_fcs_lport_ns_sm_sending_rsnn_nn(
3704                                         struct bfa_fcs_lport_ns_s *ns,
3705                                         enum vport_ns_event event);
3706 static void     bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3707                                                 enum vport_ns_event event);
3708 static void     bfa_fcs_lport_ns_sm_rsnn_nn_retry(
3709                                         struct bfa_fcs_lport_ns_s *ns,
3710                                         enum vport_ns_event event);
3711 /*
3712  *      Start in offline state - awaiting linkup
3713  */
3714 static void
3715 bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
3716                         enum vport_ns_event event)
3717 {
3718         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3719         bfa_trc(ns->port->fcs, event);
3720
3721         switch (event) {
3722         case NSSM_EVENT_PORT_ONLINE:
3723                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3724                 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3725                 break;
3726
3727         case NSSM_EVENT_PORT_OFFLINE:
3728                 break;
3729
3730         default:
3731                 bfa_sm_fault(ns->port->fcs, event);
3732         }
3733 }
3734
3735 static void
3736 bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
3737                         enum vport_ns_event event)
3738 {
3739         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3740         bfa_trc(ns->port->fcs, event);
3741
3742         switch (event) {
3743         case NSSM_EVENT_PLOGI_SENT:
3744                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
3745                 break;
3746
3747         case NSSM_EVENT_PORT_OFFLINE:
3748                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3749                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3750                                            &ns->fcxp_wqe);
3751                 break;
3752
3753         default:
3754                 bfa_sm_fault(ns->port->fcs, event);
3755         }
3756 }
3757
3758 static void
3759 bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
3760                         enum vport_ns_event event)
3761 {
3762         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3763         bfa_trc(ns->port->fcs, event);
3764
3765         switch (event) {
3766         case NSSM_EVENT_RSP_ERROR:
3767                 /*
3768                  * Start timer for a delayed retry
3769                  */
3770                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
3771                 ns->port->stats.ns_retries++;
3772                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3773                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3774                                     BFA_FCS_RETRY_TIMEOUT);
3775                 break;
3776
3777         case NSSM_EVENT_RSP_OK:
3778                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3779                 ns->num_rnnid_retries = 0;
3780                 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3781                 break;
3782
3783         case NSSM_EVENT_PORT_OFFLINE:
3784                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3785                 bfa_fcxp_discard(ns->fcxp);
3786                 break;
3787
3788         default:
3789                 bfa_sm_fault(ns->port->fcs, event);
3790         }
3791 }
3792
3793 static void
3794 bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
3795                                 enum vport_ns_event event)
3796 {
3797         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3798         bfa_trc(ns->port->fcs, event);
3799
3800         switch (event) {
3801         case NSSM_EVENT_TIMEOUT:
3802                 /*
3803                  * Retry Timer Expired. Re-send
3804                  */
3805                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
3806                 bfa_fcs_lport_ns_send_plogi(ns, NULL);
3807                 break;
3808
3809         case NSSM_EVENT_PORT_OFFLINE:
3810                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3811                 bfa_timer_stop(&ns->timer);
3812                 break;
3813
3814         default:
3815                 bfa_sm_fault(ns->port->fcs, event);
3816         }
3817 }
3818
3819 static void
3820 bfa_fcs_lport_ns_sm_sending_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3821                                         enum vport_ns_event event)
3822 {
3823         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3824         bfa_trc(ns->port->fcs, event);
3825
3826         switch (event) {
3827         case NSSM_EVENT_RNNID_SENT:
3828                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id);
3829                 break;
3830
3831         case NSSM_EVENT_PORT_OFFLINE:
3832                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3833                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3834                                                 &ns->fcxp_wqe);
3835                 break;
3836         default:
3837                 bfa_sm_fault(ns->port->fcs, event);
3838         }
3839 }
3840
3841 static void
3842 bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
3843                                 enum vport_ns_event event)
3844 {
3845         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3846         bfa_trc(ns->port->fcs, event);
3847
3848         switch (event) {
3849         case NSSM_EVENT_RSP_OK:
3850                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3851                 ns->num_rnnid_retries = 0;
3852                 ns->num_rsnn_nn_retries = 0;
3853                 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3854                 break;
3855
3856         case NSSM_EVENT_RSP_ERROR:
3857                 if (ns->num_rnnid_retries < BFA_FCS_MAX_NS_RETRIES) {
3858                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id_retry);
3859                         ns->port->stats.ns_retries++;
3860                         ns->num_rnnid_retries++;
3861                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3862                                 &ns->timer, bfa_fcs_lport_ns_timeout, ns,
3863                                 BFA_FCS_RETRY_TIMEOUT);
3864                 } else {
3865                         bfa_sm_set_state(ns,
3866                                 bfa_fcs_lport_ns_sm_sending_rspn_id);
3867                         bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3868                 }
3869                 break;
3870
3871         case NSSM_EVENT_PORT_OFFLINE:
3872                 bfa_fcxp_discard(ns->fcxp);
3873                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3874                 break;
3875
3876         default:
3877                 bfa_sm_fault(ns->port->fcs, event);
3878         }
3879 }
3880
3881 static void
3882 bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
3883                                 enum vport_ns_event event)
3884 {
3885         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3886         bfa_trc(ns->port->fcs, event);
3887
3888         switch (event) {
3889         case NSSM_EVENT_TIMEOUT:
3890                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
3891                 bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
3892                 break;
3893
3894         case NSSM_EVENT_PORT_OFFLINE:
3895                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3896                 bfa_timer_stop(&ns->timer);
3897                 break;
3898
3899         default:
3900                 bfa_sm_fault(ns->port->fcs, event);
3901         }
3902 }
3903
3904 static void
3905 bfa_fcs_lport_ns_sm_sending_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3906                                         enum vport_ns_event event)
3907 {
3908         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3909         bfa_trc(ns->port->fcs, event);
3910
3911         switch (event) {
3912         case NSSM_EVENT_RSNN_NN_SENT:
3913                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn);
3914                 break;
3915
3916         case NSSM_EVENT_PORT_OFFLINE:
3917                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3918                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3919                         &ns->fcxp_wqe);
3920                 break;
3921
3922         default:
3923                 bfa_sm_fault(ns->port->fcs, event);
3924         }
3925 }
3926
3927 static void
3928 bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
3929                                 enum vport_ns_event event)
3930 {
3931         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3932         bfa_trc(ns->port->fcs, event);
3933
3934         switch (event) {
3935         case NSSM_EVENT_RSP_OK:
3936                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
3937                 ns->num_rsnn_nn_retries = 0;
3938                 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3939                 break;
3940
3941         case NSSM_EVENT_RSP_ERROR:
3942                 if (ns->num_rsnn_nn_retries < BFA_FCS_MAX_NS_RETRIES) {
3943                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn_retry);
3944                         ns->port->stats.ns_retries++;
3945                         ns->num_rsnn_nn_retries++;
3946                         bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
3947                                         &ns->timer, bfa_fcs_lport_ns_timeout,
3948                                         ns, BFA_FCS_RETRY_TIMEOUT);
3949                 } else {
3950                         bfa_sm_set_state(ns,
3951                                 bfa_fcs_lport_ns_sm_sending_rspn_id);
3952                         bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
3953                 }
3954                 break;
3955
3956         case NSSM_EVENT_PORT_OFFLINE:
3957                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3958                 bfa_fcxp_discard(ns->fcxp);
3959                 break;
3960
3961         default:
3962                 bfa_sm_fault(ns->port->fcs, event);
3963         }
3964 }
3965
3966 static void
3967 bfa_fcs_lport_ns_sm_rsnn_nn_retry(struct bfa_fcs_lport_ns_s *ns,
3968                                         enum vport_ns_event event)
3969 {
3970         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3971         bfa_trc(ns->port->fcs, event);
3972
3973         switch (event) {
3974         case NSSM_EVENT_TIMEOUT:
3975                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
3976                 bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
3977                 break;
3978
3979         case NSSM_EVENT_PORT_OFFLINE:
3980                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
3981                 bfa_timer_stop(&ns->timer);
3982                 break;
3983
3984         default:
3985                 bfa_sm_fault(ns->port->fcs, event);
3986         }
3987 }
3988
3989 static void
3990 bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
3991                                    enum vport_ns_event event)
3992 {
3993         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
3994         bfa_trc(ns->port->fcs, event);
3995
3996         switch (event) {
3997         case NSSM_EVENT_RSPNID_SENT:
3998                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
3999                 break;
4000
4001         case NSSM_EVENT_PORT_OFFLINE:
4002                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4003                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4004                                            &ns->fcxp_wqe);
4005                 break;
4006
4007         default:
4008                 bfa_sm_fault(ns->port->fcs, event);
4009         }
4010 }
4011
4012 static void
4013 bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
4014                         enum vport_ns_event event)
4015 {
4016         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4017         bfa_trc(ns->port->fcs, event);
4018
4019         switch (event) {
4020         case NSSM_EVENT_RSP_ERROR:
4021                 /*
4022                  * Start timer for a delayed retry
4023                  */
4024                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
4025                 ns->port->stats.ns_retries++;
4026                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4027                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4028                                     BFA_FCS_RETRY_TIMEOUT);
4029                 break;
4030
4031         case NSSM_EVENT_RSP_OK:
4032                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
4033                 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
4034                 break;
4035
4036         case NSSM_EVENT_PORT_OFFLINE:
4037                 bfa_fcxp_discard(ns->fcxp);
4038                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4039                 break;
4040
4041         default:
4042                 bfa_sm_fault(ns->port->fcs, event);
4043         }
4044 }
4045
4046 static void
4047 bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
4048                                 enum vport_ns_event event)
4049 {
4050         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4051         bfa_trc(ns->port->fcs, event);
4052
4053         switch (event) {
4054         case NSSM_EVENT_TIMEOUT:
4055                 /*
4056                  * Retry Timer Expired. Re-send
4057                  */
4058                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
4059                 bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
4060                 break;
4061
4062         case NSSM_EVENT_PORT_OFFLINE:
4063                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4064                 bfa_timer_stop(&ns->timer);
4065                 break;
4066
4067         default:
4068                 bfa_sm_fault(ns->port->fcs, event);
4069         }
4070 }
4071
4072 static void
4073 bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
4074                                   enum vport_ns_event event)
4075 {
4076         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4077         bfa_trc(ns->port->fcs, event);
4078
4079         switch (event) {
4080         case NSSM_EVENT_RFTID_SENT:
4081                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
4082                 break;
4083
4084         case NSSM_EVENT_PORT_OFFLINE:
4085                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4086                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4087                                            &ns->fcxp_wqe);
4088                 break;
4089
4090         default:
4091                 bfa_sm_fault(ns->port->fcs, event);
4092         }
4093 }
4094
4095 static void
4096 bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
4097                         enum vport_ns_event event)
4098 {
4099         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4100         bfa_trc(ns->port->fcs, event);
4101
4102         switch (event) {
4103         case NSSM_EVENT_RSP_OK:
4104                 /* Now move to register FC4 Features */
4105                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4106                 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4107                 break;
4108
4109         case NSSM_EVENT_RSP_ERROR:
4110                 /*
4111                  * Start timer for a delayed retry
4112                  */
4113                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
4114                 ns->port->stats.ns_retries++;
4115                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4116                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4117                                     BFA_FCS_RETRY_TIMEOUT);
4118                 break;
4119
4120         case NSSM_EVENT_PORT_OFFLINE:
4121                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4122                 bfa_fcxp_discard(ns->fcxp);
4123                 break;
4124
4125         default:
4126                 bfa_sm_fault(ns->port->fcs, event);
4127         }
4128 }
4129
4130 static void
4131 bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
4132                                 enum vport_ns_event event)
4133 {
4134         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4135         bfa_trc(ns->port->fcs, event);
4136
4137         switch (event) {
4138         case NSSM_EVENT_TIMEOUT:
4139                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
4140                 bfa_fcs_lport_ns_send_rft_id(ns, NULL);
4141                 break;
4142
4143         case NSSM_EVENT_PORT_OFFLINE:
4144                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4145                 bfa_timer_stop(&ns->timer);
4146                 break;
4147
4148         default:
4149                 bfa_sm_fault(ns->port->fcs, event);
4150         }
4151 }
4152
4153 static void
4154 bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
4155                                   enum vport_ns_event event)
4156 {
4157         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4158         bfa_trc(ns->port->fcs, event);
4159
4160         switch (event) {
4161         case NSSM_EVENT_RFFID_SENT:
4162                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
4163                 break;
4164
4165         case NSSM_EVENT_PORT_OFFLINE:
4166                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4167                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4168                                            &ns->fcxp_wqe);
4169                 break;
4170
4171         default:
4172                 bfa_sm_fault(ns->port->fcs, event);
4173         }
4174 }
4175
4176 static void
4177 bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
4178                         enum vport_ns_event event)
4179 {
4180         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4181         bfa_trc(ns->port->fcs, event);
4182
4183         switch (event) {
4184         case NSSM_EVENT_RSP_OK:
4185
4186                 /*
4187                  * If min cfg mode is enabled, we donot initiate rport
4188                  * discovery with the fabric. Instead, we will retrieve the
4189                  * boot targets from HAL/FW.
4190                  */
4191                 if (__fcs_min_cfg(ns->port->fcs)) {
4192                         bfa_fcs_lport_ns_boot_target_disc(ns->port);
4193                         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4194                         return;
4195                 }
4196
4197                 /*
4198                  * If the port role is Initiator Mode issue NS query.
4199                  * If it is Target Mode, skip this and go to online.
4200                  */
4201                 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4202                         bfa_sm_set_state(ns,
4203                                 bfa_fcs_lport_ns_sm_sending_gid_ft);
4204                         bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4205                 }
4206                 /*
4207                  * kick off mgmt srvr state machine
4208                  */
4209                 bfa_fcs_lport_ms_online(ns->port);
4210                 break;
4211
4212         case NSSM_EVENT_RSP_ERROR:
4213                 /*
4214                  * Start timer for a delayed retry
4215                  */
4216                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
4217                 ns->port->stats.ns_retries++;
4218                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4219                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4220                                     BFA_FCS_RETRY_TIMEOUT);
4221                 break;
4222
4223         case NSSM_EVENT_PORT_OFFLINE:
4224                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4225                 bfa_fcxp_discard(ns->fcxp);
4226                 break;
4227
4228         default:
4229                 bfa_sm_fault(ns->port->fcs, event);
4230         }
4231 }
4232
4233 static void
4234 bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
4235                                 enum vport_ns_event event)
4236 {
4237         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4238         bfa_trc(ns->port->fcs, event);
4239
4240         switch (event) {
4241         case NSSM_EVENT_TIMEOUT:
4242                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
4243                 bfa_fcs_lport_ns_send_rff_id(ns, NULL);
4244                 break;
4245
4246         case NSSM_EVENT_PORT_OFFLINE:
4247                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4248                 bfa_timer_stop(&ns->timer);
4249                 break;
4250
4251         default:
4252                 bfa_sm_fault(ns->port->fcs, event);
4253         }
4254 }
4255 static void
4256 bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4257                                   enum vport_ns_event event)
4258 {
4259         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4260         bfa_trc(ns->port->fcs, event);
4261
4262         switch (event) {
4263         case NSSM_EVENT_GIDFT_SENT:
4264                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
4265                 break;
4266
4267         case NSSM_EVENT_PORT_OFFLINE:
4268                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4269                 bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4270                                            &ns->fcxp_wqe);
4271                 break;
4272
4273         default:
4274                 bfa_sm_fault(ns->port->fcs, event);
4275         }
4276 }
4277
4278 static void
4279 bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
4280                         enum vport_ns_event event)
4281 {
4282         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4283         bfa_trc(ns->port->fcs, event);
4284
4285         switch (event) {
4286         case NSSM_EVENT_RSP_OK:
4287                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
4288                 break;
4289
4290         case NSSM_EVENT_RSP_ERROR:
4291                 /*
4292                  * TBD: for certain reject codes, we don't need to retry
4293                  */
4294                 /*
4295                  * Start timer for a delayed retry
4296                  */
4297                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
4298                 ns->port->stats.ns_retries++;
4299                 bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
4300                                     &ns->timer, bfa_fcs_lport_ns_timeout, ns,
4301                                     BFA_FCS_RETRY_TIMEOUT);
4302                 break;
4303
4304         case NSSM_EVENT_PORT_OFFLINE:
4305                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4306                 bfa_fcxp_discard(ns->fcxp);
4307                 break;
4308
4309         case  NSSM_EVENT_NS_QUERY:
4310                 break;
4311
4312         default:
4313                 bfa_sm_fault(ns->port->fcs, event);
4314         }
4315 }
4316
4317 static void
4318 bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
4319                                 enum vport_ns_event event)
4320 {
4321         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4322         bfa_trc(ns->port->fcs, event);
4323
4324         switch (event) {
4325         case NSSM_EVENT_TIMEOUT:
4326                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
4327                 bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4328                 break;
4329
4330         case NSSM_EVENT_PORT_OFFLINE:
4331                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4332                 bfa_timer_stop(&ns->timer);
4333                 break;
4334
4335         default:
4336                 bfa_sm_fault(ns->port->fcs, event);
4337         }
4338 }
4339
4340 static void
4341 bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
4342                         enum vport_ns_event event)
4343 {
4344         bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
4345         bfa_trc(ns->port->fcs, event);
4346
4347         switch (event) {
4348         case NSSM_EVENT_PORT_OFFLINE:
4349                 bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
4350                 break;
4351
4352         case NSSM_EVENT_NS_QUERY:
4353                 /*
4354                  * If the port role is Initiator Mode issue NS query.
4355                  * If it is Target Mode, skip this and go to online.
4356                  */
4357                 if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
4358                         bfa_sm_set_state(ns,
4359                                 bfa_fcs_lport_ns_sm_sending_gid_ft);
4360                         bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
4361                 }
4362                 break;
4363
4364         default:
4365                 bfa_sm_fault(ns->port->fcs, event);
4366         }
4367 }
4368
4369
4370
4371 /*
4372  *  ns_pvt Nameserver local functions
4373  */
4374
4375 static void
4376 bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4377 {
4378         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4379         struct bfa_fcs_lport_s *port = ns->port;
4380         struct fchs_s fchs;
4381         int             len;
4382         struct bfa_fcxp_s *fcxp;
4383
4384         bfa_trc(port->fcs, port->pid);
4385
4386         fcxp = fcxp_alloced ? fcxp_alloced :
4387                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4388         if (!fcxp) {
4389                 port->stats.ns_plogi_alloc_wait++;
4390                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4391                                 bfa_fcs_lport_ns_send_plogi, ns, BFA_TRUE);
4392                 return;
4393         }
4394         ns->fcxp = fcxp;
4395
4396         len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4397                              bfa_hton3b(FC_NAME_SERVER),
4398                              bfa_fcs_lport_get_fcid(port), 0,
4399                              port->port_cfg.pwwn, port->port_cfg.nwwn,
4400                              bfa_fcport_get_maxfrsize(port->fcs->bfa),
4401                              bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
4402
4403         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4404                           FC_CLASS_3, len, &fchs,
4405                           bfa_fcs_lport_ns_plogi_response, (void *)ns,
4406                           FC_MAX_PDUSZ, FC_ELS_TOV);
4407         port->stats.ns_plogi_sent++;
4408
4409         bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
4410 }
4411
4412 static void
4413 bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4414                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
4415                        u32 resid_len, struct fchs_s *rsp_fchs)
4416 {
4417         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4418         struct bfa_fcs_lport_s *port = ns->port;
4419         /* struct fc_logi_s *plogi_resp; */
4420         struct fc_els_cmd_s *els_cmd;
4421         struct fc_ls_rjt_s *ls_rjt;
4422
4423         bfa_trc(port->fcs, req_status);
4424         bfa_trc(port->fcs, port->port_cfg.pwwn);
4425
4426         /*
4427          * Sanity Checks
4428          */
4429         if (req_status != BFA_STATUS_OK) {
4430                 bfa_trc(port->fcs, req_status);
4431                 port->stats.ns_plogi_rsp_err++;
4432                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4433                 return;
4434         }
4435
4436         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
4437
4438         switch (els_cmd->els_code) {
4439
4440         case FC_ELS_ACC:
4441                 if (rsp_len < sizeof(struct fc_logi_s)) {
4442                         bfa_trc(port->fcs, rsp_len);
4443                         port->stats.ns_plogi_acc_err++;
4444                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4445                         break;
4446                 }
4447                 port->stats.ns_plogi_accepts++;
4448                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4449                 break;
4450
4451         case FC_ELS_LS_RJT:
4452                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
4453
4454                 bfa_trc(port->fcs, ls_rjt->reason_code);
4455                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
4456
4457                 port->stats.ns_rejects++;
4458
4459                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4460                 break;
4461
4462         default:
4463                 port->stats.ns_plogi_unknown_rsp++;
4464                 bfa_trc(port->fcs, els_cmd->els_code);
4465                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4466         }
4467 }
4468
4469 /*
4470  * Register node name for port_id
4471  */
4472 static void
4473 bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4474 {
4475         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4476         struct bfa_fcs_lport_s *port = ns->port;
4477         struct fchs_s  fchs;
4478         int     len;
4479         struct bfa_fcxp_s *fcxp;
4480
4481         bfa_trc(port->fcs, port->port_cfg.pwwn);
4482
4483         fcxp = fcxp_alloced ? fcxp_alloced :
4484                         bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4485         if (!fcxp) {
4486                 port->stats.ns_rnnid_alloc_wait++;
4487                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4488                                 bfa_fcs_lport_ns_send_rnn_id, ns, BFA_TRUE);
4489                 return;
4490         }
4491
4492         ns->fcxp = fcxp;
4493
4494         len = fc_rnnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4495                                 bfa_fcs_lport_get_fcid(port),
4496                                 bfa_fcs_lport_get_fcid(port),
4497                                 bfa_fcs_lport_get_nwwn(port));
4498
4499         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4500                           FC_CLASS_3, len, &fchs,
4501                           bfa_fcs_lport_ns_rnn_id_response, (void *)ns,
4502                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4503
4504         port->stats.ns_rnnid_sent++;
4505         bfa_sm_send_event(ns, NSSM_EVENT_RNNID_SENT);
4506 }
4507
4508 static void
4509 bfa_fcs_lport_ns_rnn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4510                                 void *cbarg, bfa_status_t req_status,
4511                                 u32 rsp_len, u32 resid_len,
4512                                 struct fchs_s *rsp_fchs)
4513
4514 {
4515         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4516         struct bfa_fcs_lport_s *port = ns->port;
4517         struct ct_hdr_s *cthdr = NULL;
4518
4519         bfa_trc(port->fcs, port->port_cfg.pwwn);
4520
4521         /*
4522          * Sanity Checks
4523          */
4524         if (req_status != BFA_STATUS_OK) {
4525                 bfa_trc(port->fcs, req_status);
4526                 port->stats.ns_rnnid_rsp_err++;
4527                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4528                 return;
4529         }
4530
4531         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4532         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4533
4534         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4535                 port->stats.ns_rnnid_accepts++;
4536                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4537                 return;
4538         }
4539
4540         port->stats.ns_rnnid_rejects++;
4541         bfa_trc(port->fcs, cthdr->reason_code);
4542         bfa_trc(port->fcs, cthdr->exp_code);
4543         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4544 }
4545
4546 /*
4547  * Register the symbolic node name for a given node name.
4548  */
4549 static void
4550 bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4551 {
4552         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4553         struct bfa_fcs_lport_s *port = ns->port;
4554         struct fchs_s  fchs;
4555         int     len;
4556         struct bfa_fcxp_s *fcxp;
4557         u8 *nsymbl;
4558
4559         bfa_trc(port->fcs, port->port_cfg.pwwn);
4560
4561         fcxp = fcxp_alloced ? fcxp_alloced :
4562                         bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4563         if (!fcxp) {
4564                 port->stats.ns_rsnn_nn_alloc_wait++;
4565                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4566                                 bfa_fcs_lport_ns_send_rsnn_nn, ns, BFA_TRUE);
4567                 return;
4568         }
4569         ns->fcxp = fcxp;
4570
4571         nsymbl = (u8 *) &(bfa_fcs_lport_get_nsym_name(
4572                                         bfa_fcs_get_base_port(port->fcs)));
4573
4574         len = fc_rsnn_nn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4575                                 bfa_fcs_lport_get_fcid(port),
4576                                 bfa_fcs_lport_get_nwwn(port), nsymbl);
4577
4578         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4579                           FC_CLASS_3, len, &fchs,
4580                           bfa_fcs_lport_ns_rsnn_nn_response, (void *)ns,
4581                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4582
4583         port->stats.ns_rsnn_nn_sent++;
4584
4585         bfa_sm_send_event(ns, NSSM_EVENT_RSNN_NN_SENT);
4586 }
4587
4588 static void
4589 bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4590                                 void *cbarg, bfa_status_t req_status,
4591                                 u32 rsp_len, u32 resid_len,
4592                                 struct fchs_s *rsp_fchs)
4593 {
4594         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4595         struct bfa_fcs_lport_s *port = ns->port;
4596         struct ct_hdr_s *cthdr = NULL;
4597
4598         bfa_trc(port->fcs, port->port_cfg.pwwn);
4599
4600         /*
4601          * Sanity Checks
4602          */
4603         if (req_status != BFA_STATUS_OK) {
4604                 bfa_trc(port->fcs, req_status);
4605                 port->stats.ns_rsnn_nn_rsp_err++;
4606                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4607                 return;
4608         }
4609
4610         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4611         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4612
4613         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4614                 port->stats.ns_rsnn_nn_accepts++;
4615                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4616                 return;
4617         }
4618
4619         port->stats.ns_rsnn_nn_rejects++;
4620         bfa_trc(port->fcs, cthdr->reason_code);
4621         bfa_trc(port->fcs, cthdr->exp_code);
4622         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4623 }
4624
4625 /*
4626  * Register the symbolic port name.
4627  */
4628 static void
4629 bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4630 {
4631         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4632         struct bfa_fcs_lport_s *port = ns->port;
4633         struct fchs_s fchs;
4634         int             len;
4635         struct bfa_fcxp_s *fcxp;
4636         u8         symbl[256];
4637         u8         *psymbl = &symbl[0];
4638
4639         memset(symbl, 0, sizeof(symbl));
4640
4641         bfa_trc(port->fcs, port->port_cfg.pwwn);
4642
4643         fcxp = fcxp_alloced ? fcxp_alloced :
4644                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4645         if (!fcxp) {
4646                 port->stats.ns_rspnid_alloc_wait++;
4647                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4648                                 bfa_fcs_lport_ns_send_rspn_id, ns, BFA_TRUE);
4649                 return;
4650         }
4651         ns->fcxp = fcxp;
4652
4653         /*
4654          * for V-Port, form a Port Symbolic Name
4655          */
4656         if (port->vport) {
4657                 /*
4658                  * For Vports, we append the vport's port symbolic name
4659                  * to that of the base port.
4660                  */
4661
4662                 strlcpy(symbl,
4663                         (char *)&(bfa_fcs_lport_get_psym_name
4664                          (bfa_fcs_get_base_port(port->fcs))),
4665                         sizeof(symbl));
4666
4667                 strlcat(symbl, (char *)&(bfa_fcs_lport_get_psym_name(port)),
4668                         sizeof(symbl));
4669         } else {
4670                 psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
4671         }
4672
4673         len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4674                               bfa_fcs_lport_get_fcid(port), 0, psymbl);
4675
4676         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4677                           FC_CLASS_3, len, &fchs,
4678                           bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
4679                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4680
4681         port->stats.ns_rspnid_sent++;
4682
4683         bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
4684 }
4685
4686 static void
4687 bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4688                                  void *cbarg, bfa_status_t req_status,
4689                                  u32 rsp_len, u32 resid_len,
4690                                  struct fchs_s *rsp_fchs)
4691 {
4692         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4693         struct bfa_fcs_lport_s *port = ns->port;
4694         struct ct_hdr_s *cthdr = NULL;
4695
4696         bfa_trc(port->fcs, port->port_cfg.pwwn);
4697
4698         /*
4699          * Sanity Checks
4700          */
4701         if (req_status != BFA_STATUS_OK) {
4702                 bfa_trc(port->fcs, req_status);
4703                 port->stats.ns_rspnid_rsp_err++;
4704                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4705                 return;
4706         }
4707
4708         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4709         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4710
4711         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4712                 port->stats.ns_rspnid_accepts++;
4713                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4714                 return;
4715         }
4716
4717         port->stats.ns_rspnid_rejects++;
4718         bfa_trc(port->fcs, cthdr->reason_code);
4719         bfa_trc(port->fcs, cthdr->exp_code);
4720         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4721 }
4722
4723 /*
4724  * Register FC4-Types
4725  */
4726 static void
4727 bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4728 {
4729         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4730         struct bfa_fcs_lport_s *port = ns->port;
4731         struct fchs_s fchs;
4732         int             len;
4733         struct bfa_fcxp_s *fcxp;
4734
4735         bfa_trc(port->fcs, port->port_cfg.pwwn);
4736
4737         fcxp = fcxp_alloced ? fcxp_alloced :
4738                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4739         if (!fcxp) {
4740                 port->stats.ns_rftid_alloc_wait++;
4741                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4742                                 bfa_fcs_lport_ns_send_rft_id, ns, BFA_TRUE);
4743                 return;
4744         }
4745         ns->fcxp = fcxp;
4746
4747         len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4748                      bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
4749
4750         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4751                           FC_CLASS_3, len, &fchs,
4752                           bfa_fcs_lport_ns_rft_id_response, (void *)ns,
4753                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4754
4755         port->stats.ns_rftid_sent++;
4756         bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
4757 }
4758
4759 static void
4760 bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4761                                 void *cbarg, bfa_status_t req_status,
4762                                 u32 rsp_len, u32 resid_len,
4763                                 struct fchs_s *rsp_fchs)
4764 {
4765         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4766         struct bfa_fcs_lport_s *port = ns->port;
4767         struct ct_hdr_s *cthdr = NULL;
4768
4769         bfa_trc(port->fcs, port->port_cfg.pwwn);
4770
4771         /*
4772          * Sanity Checks
4773          */
4774         if (req_status != BFA_STATUS_OK) {
4775                 bfa_trc(port->fcs, req_status);
4776                 port->stats.ns_rftid_rsp_err++;
4777                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4778                 return;
4779         }
4780
4781         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4782         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4783
4784         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4785                 port->stats.ns_rftid_accepts++;
4786                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4787                 return;
4788         }
4789
4790         port->stats.ns_rftid_rejects++;
4791         bfa_trc(port->fcs, cthdr->reason_code);
4792         bfa_trc(port->fcs, cthdr->exp_code);
4793         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4794 }
4795
4796 /*
4797  * Register FC4-Features : Should be done after RFT_ID
4798  */
4799 static void
4800 bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4801 {
4802         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4803         struct bfa_fcs_lport_s *port = ns->port;
4804         struct fchs_s fchs;
4805         int             len;
4806         struct bfa_fcxp_s *fcxp;
4807         u8                      fc4_ftrs = 0;
4808
4809         bfa_trc(port->fcs, port->port_cfg.pwwn);
4810
4811         fcxp = fcxp_alloced ? fcxp_alloced :
4812                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4813         if (!fcxp) {
4814                 port->stats.ns_rffid_alloc_wait++;
4815                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4816                                 bfa_fcs_lport_ns_send_rff_id, ns, BFA_TRUE);
4817                 return;
4818         }
4819         ns->fcxp = fcxp;
4820
4821         if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
4822                 fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
4823
4824         len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4825                              bfa_fcs_lport_get_fcid(port), 0,
4826                                  FC_TYPE_FCP, fc4_ftrs);
4827
4828         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4829                           FC_CLASS_3, len, &fchs,
4830                           bfa_fcs_lport_ns_rff_id_response, (void *)ns,
4831                           FC_MAX_PDUSZ, FC_FCCT_TOV);
4832
4833         port->stats.ns_rffid_sent++;
4834         bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
4835 }
4836
4837 static void
4838 bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4839                                 void *cbarg, bfa_status_t req_status,
4840                                 u32 rsp_len, u32 resid_len,
4841                                 struct fchs_s *rsp_fchs)
4842 {
4843         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4844         struct bfa_fcs_lport_s *port = ns->port;
4845         struct ct_hdr_s *cthdr = NULL;
4846
4847         bfa_trc(port->fcs, port->port_cfg.pwwn);
4848
4849         /*
4850          * Sanity Checks
4851          */
4852         if (req_status != BFA_STATUS_OK) {
4853                 bfa_trc(port->fcs, req_status);
4854                 port->stats.ns_rffid_rsp_err++;
4855                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4856                 return;
4857         }
4858
4859         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4860         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4861
4862         if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
4863                 port->stats.ns_rffid_accepts++;
4864                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4865                 return;
4866         }
4867
4868         port->stats.ns_rffid_rejects++;
4869         bfa_trc(port->fcs, cthdr->reason_code);
4870         bfa_trc(port->fcs, cthdr->exp_code);
4871
4872         if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
4873                 /* if this command is not supported, we don't retry */
4874                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4875         } else
4876                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4877 }
4878 /*
4879  * Query Fabric for FC4-Types Devices.
4880  *
4881 * TBD : Need to use a local (FCS private) response buffer, since the response
4882  * can be larger than 2K.
4883  */
4884 static void
4885 bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
4886 {
4887         struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
4888         struct bfa_fcs_lport_s *port = ns->port;
4889         struct fchs_s fchs;
4890         int             len;
4891         struct bfa_fcxp_s *fcxp;
4892
4893         bfa_trc(port->fcs, port->pid);
4894
4895         fcxp = fcxp_alloced ? fcxp_alloced :
4896                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
4897         if (!fcxp) {
4898                 port->stats.ns_gidft_alloc_wait++;
4899                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
4900                                 bfa_fcs_lport_ns_send_gid_ft, ns, BFA_TRUE);
4901                 return;
4902         }
4903         ns->fcxp = fcxp;
4904
4905         /*
4906          * This query is only initiated for FCP initiator mode.
4907          */
4908         len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
4909                               ns->port->pid, FC_TYPE_FCP);
4910
4911         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
4912                           FC_CLASS_3, len, &fchs,
4913                           bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
4914                           bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
4915
4916         port->stats.ns_gidft_sent++;
4917
4918         bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
4919 }
4920
4921 static void
4922 bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
4923                                 void *cbarg, bfa_status_t req_status,
4924                                 u32 rsp_len, u32 resid_len,
4925                                 struct fchs_s *rsp_fchs)
4926 {
4927         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
4928         struct bfa_fcs_lport_s *port = ns->port;
4929         struct ct_hdr_s *cthdr = NULL;
4930         u32        n_pids;
4931
4932         bfa_trc(port->fcs, port->port_cfg.pwwn);
4933
4934         /*
4935          * Sanity Checks
4936          */
4937         if (req_status != BFA_STATUS_OK) {
4938                 bfa_trc(port->fcs, req_status);
4939                 port->stats.ns_gidft_rsp_err++;
4940                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4941                 return;
4942         }
4943
4944         if (resid_len != 0) {
4945                 /*
4946                  * TBD : we will need to allocate a larger buffer & retry the
4947                  * command
4948                  */
4949                 bfa_trc(port->fcs, rsp_len);
4950                 bfa_trc(port->fcs, resid_len);
4951                 return;
4952         }
4953
4954         cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
4955         cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
4956
4957         switch (cthdr->cmd_rsp_code) {
4958
4959         case CT_RSP_ACCEPT:
4960
4961                 port->stats.ns_gidft_accepts++;
4962                 n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
4963                 bfa_trc(port->fcs, n_pids);
4964                 bfa_fcs_lport_ns_process_gidft_pids(port,
4965                                                    (u32 *) (cthdr + 1),
4966                                                    n_pids);
4967                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4968                 break;
4969
4970         case CT_RSP_REJECT:
4971
4972                 /*
4973                  * Check the reason code  & explanation.
4974                  * There may not have been any FC4 devices in the fabric
4975                  */
4976                 port->stats.ns_gidft_rejects++;
4977                 bfa_trc(port->fcs, cthdr->reason_code);
4978                 bfa_trc(port->fcs, cthdr->exp_code);
4979
4980                 if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
4981                     && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
4982
4983                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
4984                 } else {
4985                         /*
4986                          * for all other errors, retry
4987                          */
4988                         bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4989                 }
4990                 break;
4991
4992         default:
4993                 port->stats.ns_gidft_unknown_rsp++;
4994                 bfa_trc(port->fcs, cthdr->cmd_rsp_code);
4995                 bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
4996         }
4997 }
4998
4999 /*
5000  *     This routine will be called by bfa_timer on timer timeouts.
5001  *
5002  *      param[in]       port - pointer to bfa_fcs_lport_t.
5003  *
5004  *      return
5005  *              void
5006  *
5007  *      Special Considerations:
5008  *
5009  *      note
5010  */
5011 static void
5012 bfa_fcs_lport_ns_timeout(void *arg)
5013 {
5014         struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
5015
5016         ns->port->stats.ns_timeouts++;
5017         bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
5018 }
5019
5020 /*
5021  * Process the PID list in GID_FT response
5022  */
5023 static void
5024 bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
5025                                    u32 n_pids)
5026 {
5027         struct fcgs_gidft_resp_s *gidft_entry;
5028         struct bfa_fcs_rport_s *rport;
5029         u32        ii;
5030         struct bfa_fcs_fabric_s *fabric = port->fabric;
5031         struct bfa_fcs_vport_s *vport;
5032         struct list_head *qe;
5033         u8 found = 0;
5034
5035         for (ii = 0; ii < n_pids; ii++) {
5036                 gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
5037
5038                 if (gidft_entry->pid == port->pid)
5039                         continue;
5040
5041                 /*
5042                  * Ignore PID if it is of base port
5043                  * (Avoid vports discovering base port as remote port)
5044                  */
5045                 if (gidft_entry->pid == fabric->bport.pid)
5046                         continue;
5047
5048                 /*
5049                  * Ignore PID if it is of vport created on the same base port
5050                  * (Avoid vport discovering every other vport created on the
5051                  * same port as remote port)
5052                  */
5053                 list_for_each(qe, &fabric->vport_q) {
5054                         vport = (struct bfa_fcs_vport_s *) qe;
5055                         if (vport->lport.pid == gidft_entry->pid)
5056                                 found = 1;
5057                 }
5058
5059                 if (found) {
5060                         found = 0;
5061                         continue;
5062                 }
5063
5064                 /*
5065                  * Check if this rport already exists
5066                  */
5067                 rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
5068                 if (rport == NULL) {
5069                         /*
5070                          * this is a new device. create rport
5071                          */
5072                         rport = bfa_fcs_rport_create(port, gidft_entry->pid);
5073                 } else {
5074                         /*
5075                          * this rport already exists
5076                          */
5077                         bfa_fcs_rport_scn(rport);
5078                 }
5079
5080                 bfa_trc(port->fcs, gidft_entry->pid);
5081
5082                 /*
5083                  * if the last entry bit is set, bail out.
5084                  */
5085                 if (gidft_entry->last)
5086                         return;
5087         }
5088 }
5089
5090 /*
5091  *  fcs_ns_public FCS nameserver public interfaces
5092  */
5093
5094 /*
5095  * Functions called by port/fab.
5096  * These will send relevant Events to the ns state machine.
5097  */
5098 void
5099 bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
5100 {
5101         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5102
5103         ns->port = port;
5104         bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
5105 }
5106
5107 void
5108 bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
5109 {
5110         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5111
5112         ns->port = port;
5113         bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
5114 }
5115
5116 void
5117 bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
5118 {
5119         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5120
5121         ns->port = port;
5122         bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
5123 }
5124
5125 void
5126 bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
5127 {
5128         struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
5129
5130         bfa_trc(port->fcs, port->pid);
5131         if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_online))
5132                 bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
5133 }
5134
5135 static void
5136 bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
5137 {
5138
5139         struct bfa_fcs_rport_s *rport;
5140         u8 nwwns;
5141         wwn_t  wwns[BFA_PREBOOT_BOOTLUN_MAX];
5142         int ii;
5143
5144         bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
5145
5146         for (ii = 0 ; ii < nwwns; ++ii) {
5147                 rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
5148                 WARN_ON(!rport);
5149         }
5150 }
5151
5152 void
5153 bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
5154 {
5155         struct bfa_fcs_lport_ns_s *ns = cbarg;
5156         struct bfa_fcs_lport_s *port = ns->port;
5157         struct fchs_s fchs;
5158         struct bfa_fcxp_s *fcxp;
5159         u8 symbl[256];
5160         int len;
5161
5162         /* Avoid sending RSPN in the following states. */
5163         if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) ||
5164             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) ||
5165             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi) ||
5166             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_retry) ||
5167             bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry))
5168                 return;
5169
5170         memset(symbl, 0, sizeof(symbl));
5171         bfa_trc(port->fcs, port->port_cfg.pwwn);
5172
5173         fcxp = fcxp_alloced ? fcxp_alloced :
5174                bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5175         if (!fcxp) {
5176                 port->stats.ns_rspnid_alloc_wait++;
5177                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
5178                         bfa_fcs_lport_ns_util_send_rspn_id, ns, BFA_FALSE);
5179                 return;
5180         }
5181
5182         ns->fcxp = fcxp;
5183
5184         if (port->vport) {
5185                 /*
5186                  * For Vports, we append the vport's port symbolic name
5187                  * to that of the base port.
5188                  */
5189                 strlcpy(symbl, (char *)&(bfa_fcs_lport_get_psym_name
5190                         (bfa_fcs_get_base_port(port->fcs))),
5191                         sizeof(symbl));
5192
5193                 strlcat(symbl,
5194                         (char *)&(bfa_fcs_lport_get_psym_name(port)),
5195                         sizeof(symbl));
5196         }
5197
5198         len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5199                               bfa_fcs_lport_get_fcid(port), 0, symbl);
5200
5201         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5202                       FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
5203
5204         port->stats.ns_rspnid_sent++;
5205 }
5206
5207 /*
5208  * FCS SCN
5209  */
5210
5211 #define FC_QOS_RSCN_EVENT               0x0c
5212 #define FC_FABRIC_NAME_RSCN_EVENT       0x0d
5213
5214 /*
5215  * forward declarations
5216  */
5217 static void     bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
5218                                           struct bfa_fcxp_s *fcxp_alloced);
5219 static void     bfa_fcs_lport_scn_scr_response(void *fcsarg,
5220                                               struct bfa_fcxp_s *fcxp,
5221                                               void *cbarg,
5222                                               bfa_status_t req_status,
5223                                               u32 rsp_len,
5224                                               u32 resid_len,
5225                                               struct fchs_s *rsp_fchs);
5226 static void     bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5227                                              struct fchs_s *rx_fchs);
5228 static void     bfa_fcs_lport_scn_timeout(void *arg);
5229
5230 /*
5231  *  fcs_scm_sm FCS SCN state machine
5232  */
5233
5234 /*
5235  * VPort SCN State Machine events
5236  */
5237 enum port_scn_event {
5238         SCNSM_EVENT_PORT_ONLINE = 1,
5239         SCNSM_EVENT_PORT_OFFLINE = 2,
5240         SCNSM_EVENT_RSP_OK = 3,
5241         SCNSM_EVENT_RSP_ERROR = 4,
5242         SCNSM_EVENT_TIMEOUT = 5,
5243         SCNSM_EVENT_SCR_SENT = 6,
5244 };
5245
5246 static void     bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5247                                             enum port_scn_event event);
5248 static void     bfa_fcs_lport_scn_sm_sending_scr(
5249                                         struct bfa_fcs_lport_scn_s *scn,
5250                                         enum port_scn_event event);
5251 static void     bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5252                                         enum port_scn_event event);
5253 static void     bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5254                                               enum port_scn_event event);
5255 static void     bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5256                                            enum port_scn_event event);
5257
5258 /*
5259  *      Starting state - awaiting link up.
5260  */
5261 static void
5262 bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
5263                         enum port_scn_event event)
5264 {
5265         switch (event) {
5266         case SCNSM_EVENT_PORT_ONLINE:
5267                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5268                 bfa_fcs_lport_scn_send_scr(scn, NULL);
5269                 break;
5270
5271         case SCNSM_EVENT_PORT_OFFLINE:
5272                 break;
5273
5274         default:
5275                 bfa_sm_fault(scn->port->fcs, event);
5276         }
5277 }
5278
5279 static void
5280 bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
5281                                 enum port_scn_event event)
5282 {
5283         switch (event) {
5284         case SCNSM_EVENT_SCR_SENT:
5285                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
5286                 break;
5287
5288         case SCNSM_EVENT_PORT_OFFLINE:
5289                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5290                 bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
5291                 break;
5292
5293         default:
5294                 bfa_sm_fault(scn->port->fcs, event);
5295         }
5296 }
5297
5298 static void
5299 bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
5300                         enum port_scn_event event)
5301 {
5302         struct bfa_fcs_lport_s *port = scn->port;
5303
5304         switch (event) {
5305         case SCNSM_EVENT_RSP_OK:
5306                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
5307                 break;
5308
5309         case SCNSM_EVENT_RSP_ERROR:
5310                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
5311                 bfa_timer_start(port->fcs->bfa, &scn->timer,
5312                                     bfa_fcs_lport_scn_timeout, scn,
5313                                     BFA_FCS_RETRY_TIMEOUT);
5314                 break;
5315
5316         case SCNSM_EVENT_PORT_OFFLINE:
5317                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5318                 bfa_fcxp_discard(scn->fcxp);
5319                 break;
5320
5321         default:
5322                 bfa_sm_fault(port->fcs, event);
5323         }
5324 }
5325
5326 static void
5327 bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
5328                                 enum port_scn_event event)
5329 {
5330         switch (event) {
5331         case SCNSM_EVENT_TIMEOUT:
5332                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
5333                 bfa_fcs_lport_scn_send_scr(scn, NULL);
5334                 break;
5335
5336         case SCNSM_EVENT_PORT_OFFLINE:
5337                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5338                 bfa_timer_stop(&scn->timer);
5339                 break;
5340
5341         default:
5342                 bfa_sm_fault(scn->port->fcs, event);
5343         }
5344 }
5345
5346 static void
5347 bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
5348                         enum port_scn_event event)
5349 {
5350         switch (event) {
5351         case SCNSM_EVENT_PORT_OFFLINE:
5352                 bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5353                 break;
5354
5355         default:
5356                 bfa_sm_fault(scn->port->fcs, event);
5357         }
5358 }
5359
5360
5361
5362 /*
5363  *  fcs_scn_private FCS SCN private functions
5364  */
5365
5366 /*
5367  * This routine will be called to send a SCR command.
5368  */
5369 static void
5370 bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
5371 {
5372         struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
5373         struct bfa_fcs_lport_s *port = scn->port;
5374         struct fchs_s fchs;
5375         int             len;
5376         struct bfa_fcxp_s *fcxp;
5377
5378         bfa_trc(port->fcs, port->pid);
5379         bfa_trc(port->fcs, port->port_cfg.pwwn);
5380
5381         fcxp = fcxp_alloced ? fcxp_alloced :
5382                bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
5383         if (!fcxp) {
5384                 bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
5385                                 bfa_fcs_lport_scn_send_scr, scn, BFA_TRUE);
5386                 return;
5387         }
5388         scn->fcxp = fcxp;
5389
5390         /* Handle VU registrations for Base port only */
5391         if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
5392                 len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5393                                 port->fabric->lps->brcd_switch,
5394                                 port->pid, 0);
5395         } else {
5396             len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5397                                     BFA_FALSE,
5398                                     port->pid, 0);
5399         }
5400
5401         bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
5402                           FC_CLASS_3, len, &fchs,
5403                           bfa_fcs_lport_scn_scr_response,
5404                           (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
5405
5406         bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
5407 }
5408
5409 static void
5410 bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
5411                         void *cbarg, bfa_status_t req_status, u32 rsp_len,
5412                               u32 resid_len, struct fchs_s *rsp_fchs)
5413 {
5414         struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
5415         struct bfa_fcs_lport_s *port = scn->port;
5416         struct fc_els_cmd_s *els_cmd;
5417         struct fc_ls_rjt_s *ls_rjt;
5418
5419         bfa_trc(port->fcs, port->port_cfg.pwwn);
5420
5421         /*
5422          * Sanity Checks
5423          */
5424         if (req_status != BFA_STATUS_OK) {
5425                 bfa_trc(port->fcs, req_status);
5426                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5427                 return;
5428         }
5429
5430         els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
5431
5432         switch (els_cmd->els_code) {
5433
5434         case FC_ELS_ACC:
5435                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
5436                 break;
5437
5438         case FC_ELS_LS_RJT:
5439
5440                 ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
5441
5442                 bfa_trc(port->fcs, ls_rjt->reason_code);
5443                 bfa_trc(port->fcs, ls_rjt->reason_code_expl);
5444
5445                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5446                 break;
5447
5448         default:
5449                 bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
5450         }
5451 }
5452
5453 /*
5454  * Send a LS Accept
5455  */
5456 static void
5457 bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
5458                                 struct fchs_s *rx_fchs)
5459 {
5460         struct fchs_s fchs;
5461         struct bfa_fcxp_s *fcxp;
5462         struct bfa_rport_s *bfa_rport = NULL;
5463         int             len;
5464
5465         bfa_trc(port->fcs, rx_fchs->s_id);
5466
5467         fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
5468         if (!fcxp)
5469                 return;
5470
5471         len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
5472                               rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
5473                               rx_fchs->ox_id);
5474
5475         bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
5476                           BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
5477                           FC_MAX_PDUSZ, 0);
5478 }
5479
5480 /*
5481  *     This routine will be called by bfa_timer on timer timeouts.
5482  *
5483  *      param[in]       vport           - pointer to bfa_fcs_lport_t.
5484  *      param[out]      vport_status    - pointer to return vport status in
5485  *
5486  *      return
5487  *              void
5488  *
5489  *      Special Considerations:
5490  *
5491  *      note
5492  */
5493 static void
5494 bfa_fcs_lport_scn_timeout(void *arg)
5495 {
5496         struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
5497
5498         bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
5499 }
5500
5501
5502
5503 /*
5504  *  fcs_scn_public FCS state change notification public interfaces
5505  */
5506
5507 /*
5508  * Functions called by port/fab
5509  */
5510 void
5511 bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
5512 {
5513         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5514
5515         scn->port = port;
5516         bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
5517 }
5518
5519 void
5520 bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
5521 {
5522         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5523
5524         scn->port = port;
5525         bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
5526 }
5527
5528 void
5529 bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *port)
5530 {
5531         struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
5532
5533         scn->port = port;
5534         bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
5535 }
5536
5537 static void
5538 bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
5539 {
5540         struct bfa_fcs_rport_s *rport;
5541         struct bfa_fcs_fabric_s *fabric = port->fabric;
5542         struct bfa_fcs_vport_s *vport;
5543         struct list_head *qe;
5544
5545         bfa_trc(port->fcs, rpid);
5546
5547         /*
5548          * Ignore PID if it is of base port or of vports created on the
5549          * same base port. It is to avoid vports discovering base port or
5550          * other vports created on same base port as remote port
5551          */
5552         if (rpid == fabric->bport.pid)
5553                 return;
5554
5555         list_for_each(qe, &fabric->vport_q) {
5556                 vport = (struct bfa_fcs_vport_s *) qe;
5557                 if (vport->lport.pid == rpid)
5558                         return;
5559         }
5560         /*
5561          * If this is an unknown device, then it just came online.
5562          * Otherwise let rport handle the RSCN event.
5563          */
5564         rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
5565         if (!rport)
5566                 rport = bfa_fcs_lport_get_rport_by_old_pid(port, rpid);
5567
5568         if (rport == NULL) {
5569                 /*
5570                  * If min cfg mode is enabled, we donot need to
5571                  * discover any new rports.
5572                  */
5573                 if (!__fcs_min_cfg(port->fcs))
5574                         rport = bfa_fcs_rport_create(port, rpid);
5575         } else
5576                 bfa_fcs_rport_scn(rport);
5577 }
5578
5579 /*
5580  * rscn format based PID comparison
5581  */
5582 #define __fc_pid_match(__c0, __c1, __fmt)               \
5583         (((__fmt) == FC_RSCN_FORMAT_FABRIC) ||          \
5584          (((__fmt) == FC_RSCN_FORMAT_DOMAIN) &&         \
5585           ((__c0)[0] == (__c1)[0])) ||                          \
5586          (((__fmt) == FC_RSCN_FORMAT_AREA) &&           \
5587           ((__c0)[0] == (__c1)[0]) &&                           \
5588           ((__c0)[1] == (__c1)[1])))
5589
5590 static void
5591 bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
5592                                 enum fc_rscn_format format,
5593                                 u32 rscn_pid)
5594 {
5595         struct bfa_fcs_rport_s *rport;
5596         struct list_head        *qe, *qe_next;
5597         u8        *c0, *c1;
5598
5599         bfa_trc(port->fcs, format);
5600         bfa_trc(port->fcs, rscn_pid);
5601
5602         c0 = (u8 *) &rscn_pid;
5603
5604         list_for_each_safe(qe, qe_next, &port->rport_q) {
5605                 rport = (struct bfa_fcs_rport_s *) qe;
5606                 c1 = (u8 *) &rport->pid;
5607                 if (__fc_pid_match(c0, c1, format))
5608                         bfa_fcs_rport_scn(rport);
5609         }
5610 }
5611
5612
5613 void
5614 bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
5615                         struct fchs_s *fchs, u32 len)
5616 {
5617         struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
5618         int             num_entries;
5619         u32        rscn_pid;
5620         bfa_boolean_t   nsquery = BFA_FALSE, found;
5621         int             i = 0, j;
5622
5623         num_entries =
5624                 (be16_to_cpu(rscn->payldlen) -
5625                  sizeof(u32)) / sizeof(rscn->event[0]);
5626
5627         bfa_trc(port->fcs, num_entries);
5628
5629         port->stats.num_rscn++;
5630
5631         bfa_fcs_lport_scn_send_ls_acc(port, fchs);
5632
5633         for (i = 0; i < num_entries; i++) {
5634                 rscn_pid = rscn->event[i].portid;
5635
5636                 bfa_trc(port->fcs, rscn->event[i].format);
5637                 bfa_trc(port->fcs, rscn_pid);
5638
5639                 /* check for duplicate entries in the list */
5640                 found = BFA_FALSE;
5641                 for (j = 0; j < i; j++) {
5642                         if (rscn->event[j].portid == rscn_pid) {
5643                                 found = BFA_TRUE;
5644                                 break;
5645                         }
5646                 }
5647
5648                 /* if found in down the list, pid has been already processed */
5649                 if (found) {
5650                         bfa_trc(port->fcs, rscn_pid);
5651                         continue;
5652                 }
5653
5654                 switch (rscn->event[i].format) {
5655                 case FC_RSCN_FORMAT_PORTID:
5656                         if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
5657                                 /*
5658                                  * Ignore this event.
5659                                  * f/w would have processed it
5660                                  */
5661                                 bfa_trc(port->fcs, rscn_pid);
5662                         } else {
5663                                 port->stats.num_portid_rscn++;
5664                                 bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
5665                         }
5666                 break;
5667
5668                 case FC_RSCN_FORMAT_FABRIC:
5669                         if (rscn->event[i].qualifier ==
5670                                         FC_FABRIC_NAME_RSCN_EVENT) {
5671                                 bfa_fcs_lport_ms_fabric_rscn(port);
5672                                 break;
5673                         }
5674                         /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */
5675
5676                 case FC_RSCN_FORMAT_AREA:
5677                 case FC_RSCN_FORMAT_DOMAIN:
5678                         nsquery = BFA_TRUE;
5679                         bfa_fcs_lport_scn_multiport_rscn(port,
5680                                                         rscn->event[i].format,
5681                                                         rscn_pid);
5682                         break;
5683
5684
5685                 default:
5686                         WARN_ON(1);
5687                         nsquery = BFA_TRUE;
5688                 }
5689         }
5690
5691         /*
5692          * If any of area, domain or fabric RSCN is received, do a fresh
5693          * discovery to find new devices.
5694          */
5695         if (nsquery)
5696                 bfa_fcs_lport_ns_query(port);
5697 }
5698
5699 /*
5700  * BFA FCS port
5701  */
5702 /*
5703  *  fcs_port_api BFA FCS port API
5704  */
5705 struct bfa_fcs_lport_s *
5706 bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
5707 {
5708         return &fcs->fabric.bport;
5709 }
5710
5711 wwn_t
5712 bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
5713                 int nrports, bfa_boolean_t bwwn)
5714 {
5715         struct list_head        *qh, *qe;
5716         struct bfa_fcs_rport_s *rport = NULL;
5717         int     i;
5718         struct bfa_fcs_s        *fcs;
5719
5720         if (port == NULL || nrports == 0)
5721                 return (wwn_t) 0;
5722
5723         fcs = port->fcs;
5724         bfa_trc(fcs, (u32) nrports);
5725
5726         i = 0;
5727         qh = &port->rport_q;
5728         qe = bfa_q_first(qh);
5729
5730         while ((qe != qh) && (i < nrports)) {
5731                 rport = (struct bfa_fcs_rport_s *) qe;
5732                 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5733                         qe = bfa_q_next(qe);
5734                         bfa_trc(fcs, (u32) rport->pwwn);
5735                         bfa_trc(fcs, rport->pid);
5736                         bfa_trc(fcs, i);
5737                         continue;
5738                 }
5739
5740                 if (bwwn) {
5741                         if (!memcmp(&wwn, &rport->pwwn, 8))
5742                                 break;
5743                 } else {
5744                         if (i == index)
5745                                 break;
5746                 }
5747
5748                 i++;
5749                 qe = bfa_q_next(qe);
5750         }
5751
5752         bfa_trc(fcs, i);
5753         if (rport)
5754                 return rport->pwwn;
5755         else
5756                 return (wwn_t) 0;
5757 }
5758
5759 void
5760 bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port,
5761                 struct bfa_rport_qualifier_s rports[], int *nrports)
5762 {
5763         struct list_head        *qh, *qe;
5764         struct bfa_fcs_rport_s *rport = NULL;
5765         int     i;
5766         struct bfa_fcs_s        *fcs;
5767
5768         if (port == NULL || rports == NULL || *nrports == 0)
5769                 return;
5770
5771         fcs = port->fcs;
5772         bfa_trc(fcs, (u32) *nrports);
5773
5774         i = 0;
5775         qh = &port->rport_q;
5776         qe = bfa_q_first(qh);
5777
5778         while ((qe != qh) && (i < *nrports)) {
5779                 rport = (struct bfa_fcs_rport_s *) qe;
5780                 if (bfa_ntoh3b(rport->pid) > 0xFFF000) {
5781                         qe = bfa_q_next(qe);
5782                         bfa_trc(fcs, (u32) rport->pwwn);
5783                         bfa_trc(fcs, rport->pid);
5784                         bfa_trc(fcs, i);
5785                         continue;
5786                 }
5787
5788                 if (!rport->pwwn && !rport->pid) {
5789                         qe = bfa_q_next(qe);
5790                         continue;
5791                 }
5792
5793                 rports[i].pwwn = rport->pwwn;
5794                 rports[i].pid = rport->pid;
5795
5796                 i++;
5797                 qe = bfa_q_next(qe);
5798         }
5799
5800         bfa_trc(fcs, i);
5801         *nrports = i;
5802 }
5803
5804 /*
5805  * Iterate's through all the rport's in the given port to
5806  * determine the maximum operating speed.
5807  *
5808  * !!!! To be used in TRL Functionality only !!!!
5809  */
5810 bfa_port_speed_t
5811 bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
5812 {
5813         struct list_head *qh, *qe;
5814         struct bfa_fcs_rport_s *rport = NULL;
5815         struct bfa_fcs_s        *fcs;
5816         bfa_port_speed_t max_speed = 0;
5817         struct bfa_port_attr_s port_attr;
5818         bfa_port_speed_t port_speed, rport_speed;
5819         bfa_boolean_t trl_enabled;
5820
5821         if (port == NULL)
5822                 return 0;
5823
5824         fcs = port->fcs;
5825         trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
5826
5827         /* Get Physical port's current speed */
5828         bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
5829         port_speed = port_attr.speed;
5830         bfa_trc(fcs, port_speed);
5831
5832         qh = &port->rport_q;
5833         qe = bfa_q_first(qh);
5834
5835         while (qe != qh) {
5836                 rport = (struct bfa_fcs_rport_s *) qe;
5837                 if ((bfa_ntoh3b(rport->pid) > 0xFFF000) ||
5838                         (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE) ||
5839                         (rport->scsi_function != BFA_RPORT_TARGET)) {
5840                         qe = bfa_q_next(qe);
5841                         continue;
5842                 }
5843
5844                 rport_speed = rport->rpf.rpsc_speed;
5845                 if ((trl_enabled) && (rport_speed ==
5846                         BFA_PORT_SPEED_UNKNOWN)) {
5847                         /* Use default ratelim speed setting */
5848                         rport_speed =
5849                                 bfa_fcport_get_ratelim_speed(port->fcs->bfa);
5850                 }
5851
5852                 if (rport_speed > max_speed)
5853                         max_speed = rport_speed;
5854
5855                 qe = bfa_q_next(qe);
5856         }
5857
5858         if (max_speed > port_speed)
5859                 max_speed = port_speed;
5860
5861         bfa_trc(fcs, max_speed);
5862         return max_speed;
5863 }
5864
5865 struct bfa_fcs_lport_s *
5866 bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
5867 {
5868         struct bfa_fcs_vport_s *vport;
5869         bfa_fcs_vf_t   *vf;
5870
5871         WARN_ON(fcs == NULL);
5872
5873         vf = bfa_fcs_vf_lookup(fcs, vf_id);
5874         if (vf == NULL) {
5875                 bfa_trc(fcs, vf_id);
5876                 return NULL;
5877         }
5878
5879         if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
5880                 return &vf->bport;
5881
5882         vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
5883         if (vport)
5884                 return &vport->lport;
5885
5886         return NULL;
5887 }
5888
5889 /*
5890  *  API corresponding to NPIV_VPORT_GETINFO.
5891  */
5892 void
5893 bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
5894          struct bfa_lport_info_s *port_info)
5895 {
5896
5897         bfa_trc(port->fcs, port->fabric->fabric_name);
5898
5899         if (port->vport == NULL) {
5900                 /*
5901                  * This is a Physical port
5902                  */
5903                 port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
5904
5905                 /*
5906                  * @todo : need to fix the state & reason
5907                  */
5908                 port_info->port_state = 0;
5909                 port_info->offline_reason = 0;
5910
5911                 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5912                 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5913
5914                 port_info->max_vports_supp =
5915                         bfa_lps_get_max_vport(port->fcs->bfa);
5916                 port_info->num_vports_inuse =
5917                         port->fabric->num_vports;
5918                 port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
5919                 port_info->num_rports_inuse = port->num_rports;
5920         } else {
5921                 /*
5922                  * This is a virtual port
5923                  */
5924                 port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
5925
5926                 /*
5927                  * @todo : need to fix the state & reason
5928                  */
5929                 port_info->port_state = 0;
5930                 port_info->offline_reason = 0;
5931
5932                 port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
5933                 port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
5934         }
5935 }
5936
5937 void
5938 bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
5939          struct bfa_lport_stats_s *port_stats)
5940 {
5941         *port_stats = fcs_port->stats;
5942 }
5943
5944 void
5945 bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
5946 {
5947         memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
5948 }
5949
5950 /*
5951  * Let new loop map create missing rports
5952  */
5953 void
5954 bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s *port)
5955 {
5956         bfa_fcs_lport_loop_online(port);
5957 }
5958
5959 /*
5960  * FCS virtual port state machine
5961  */
5962
5963 #define __vport_fcs(__vp)       ((__vp)->lport.fcs)
5964 #define __vport_pwwn(__vp)      ((__vp)->lport.port_cfg.pwwn)
5965 #define __vport_nwwn(__vp)      ((__vp)->lport.port_cfg.nwwn)
5966 #define __vport_bfa(__vp)       ((__vp)->lport.fcs->bfa)
5967 #define __vport_fcid(__vp)      ((__vp)->lport.pid)
5968 #define __vport_fabric(__vp)    ((__vp)->lport.fabric)
5969 #define __vport_vfid(__vp)      ((__vp)->lport.fabric->vf_id)
5970
5971 #define BFA_FCS_VPORT_MAX_RETRIES  5
5972 /*
5973  * Forward declarations
5974  */
5975 static void     bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
5976 static void     bfa_fcs_vport_timeout(void *vport_arg);
5977 static void     bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
5978 static void     bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
5979
5980 /*
5981  *  fcs_vport_sm FCS virtual port state machine
5982  */
5983
5984 /*
5985  * VPort State Machine events
5986  */
5987 enum bfa_fcs_vport_event {
5988         BFA_FCS_VPORT_SM_CREATE = 1,    /*  vport create event */
5989         BFA_FCS_VPORT_SM_DELETE = 2,    /*  vport delete event */
5990         BFA_FCS_VPORT_SM_START = 3,     /*  vport start request */
5991         BFA_FCS_VPORT_SM_STOP = 4,      /*  stop: unsupported */
5992         BFA_FCS_VPORT_SM_ONLINE = 5,    /*  fabric online */
5993         BFA_FCS_VPORT_SM_OFFLINE = 6,   /*  fabric offline event */
5994         BFA_FCS_VPORT_SM_FRMSENT = 7,   /*  fdisc/logo sent events */
5995         BFA_FCS_VPORT_SM_RSP_OK = 8,    /*  good response */
5996         BFA_FCS_VPORT_SM_RSP_ERROR = 9, /*  error/bad response */
5997         BFA_FCS_VPORT_SM_TIMEOUT = 10,  /*  delay timer event */
5998         BFA_FCS_VPORT_SM_DELCOMP = 11,  /*  lport delete completion */
5999         BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12,      /*  Dup wnn error*/
6000         BFA_FCS_VPORT_SM_RSP_FAILED = 13,       /*  non-retryable failure */
6001         BFA_FCS_VPORT_SM_STOPCOMP = 14, /* vport delete completion */
6002         BFA_FCS_VPORT_SM_FABRIC_MAX = 15, /* max vports on fabric */
6003 };
6004
6005 static void     bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
6006                                         enum bfa_fcs_vport_event event);
6007 static void     bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
6008                                          enum bfa_fcs_vport_event event);
6009 static void     bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
6010                                          enum bfa_fcs_vport_event event);
6011 static void     bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
6012                                        enum bfa_fcs_vport_event event);
6013 static void     bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6014                                              enum bfa_fcs_vport_event event);
6015 static void     bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6016                                         enum bfa_fcs_vport_event event);
6017 static void     bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6018                                         enum bfa_fcs_vport_event event);
6019 static void     bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6020                                           enum bfa_fcs_vport_event event);
6021 static void     bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6022                                          enum bfa_fcs_vport_event event);
6023 static void     bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6024                                       enum bfa_fcs_vport_event event);
6025 static void     bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6026                                       enum bfa_fcs_vport_event event);
6027 static void     bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6028                                         enum bfa_fcs_vport_event event);
6029 static void     bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6030                                         enum bfa_fcs_vport_event event);
6031
6032 static struct bfa_sm_table_s  vport_sm_table[] = {
6033         {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
6034         {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
6035         {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
6036         {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
6037         {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
6038         {BFA_SM(bfa_fcs_vport_sm_fdisc_rsp_wait), BFA_FCS_VPORT_FDISC_RSP_WAIT},
6039         {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
6040         {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
6041         {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
6042         {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
6043         {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
6044 };
6045
6046 /*
6047  * Beginning state.
6048  */
6049 static void
6050 bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
6051                         enum bfa_fcs_vport_event event)
6052 {
6053         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6054         bfa_trc(__vport_fcs(vport), event);
6055
6056         switch (event) {
6057         case BFA_FCS_VPORT_SM_CREATE:
6058                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6059                 bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
6060                 break;
6061
6062         default:
6063                 bfa_sm_fault(__vport_fcs(vport), event);
6064         }
6065 }
6066
6067 /*
6068  * Created state - a start event is required to start up the state machine.
6069  */
6070 static void
6071 bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
6072                         enum bfa_fcs_vport_event event)
6073 {
6074         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6075         bfa_trc(__vport_fcs(vport), event);
6076
6077         switch (event) {
6078         case BFA_FCS_VPORT_SM_START:
6079                 if (bfa_sm_cmp_state(__vport_fabric(vport),
6080                                         bfa_fcs_fabric_sm_online)
6081                     && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
6082                         bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6083                         bfa_fcs_vport_do_fdisc(vport);
6084                 } else {
6085                         /*
6086                          * Fabric is offline or not NPIV capable, stay in
6087                          * offline state.
6088                          */
6089                         vport->vport_stats.fab_no_npiv++;
6090                         bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6091                 }
6092                 break;
6093
6094         case BFA_FCS_VPORT_SM_DELETE:
6095                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6096                 bfa_fcs_lport_delete(&vport->lport);
6097                 break;
6098
6099         case BFA_FCS_VPORT_SM_ONLINE:
6100         case BFA_FCS_VPORT_SM_OFFLINE:
6101                 /*
6102                  * Ignore ONLINE/OFFLINE events from fabric
6103                  * till vport is started.
6104                  */
6105                 break;
6106
6107         default:
6108                 bfa_sm_fault(__vport_fcs(vport), event);
6109         }
6110 }
6111
6112 /*
6113  * Offline state - awaiting ONLINE event from fabric SM.
6114  */
6115 static void
6116 bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
6117                         enum bfa_fcs_vport_event event)
6118 {
6119         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6120         bfa_trc(__vport_fcs(vport), event);
6121
6122         switch (event) {
6123         case BFA_FCS_VPORT_SM_DELETE:
6124                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6125                 bfa_fcs_lport_delete(&vport->lport);
6126                 break;
6127
6128         case BFA_FCS_VPORT_SM_ONLINE:
6129                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6130                 vport->fdisc_retries = 0;
6131                 bfa_fcs_vport_do_fdisc(vport);
6132                 break;
6133
6134         case BFA_FCS_VPORT_SM_STOP:
6135                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6136                 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6137                 break;
6138
6139         case BFA_FCS_VPORT_SM_OFFLINE:
6140                 /*
6141                  * This can happen if the vport couldn't be initialzied
6142                  * due the fact that the npiv was not enabled on the switch.
6143                  * In that case we will put the vport in offline state.
6144                  * However, the link can go down and cause the this event to
6145                  * be sent when we are already offline. Ignore it.
6146                  */
6147                 break;
6148
6149         default:
6150                 bfa_sm_fault(__vport_fcs(vport), event);
6151         }
6152 }
6153
6154
6155 /*
6156  * FDISC is sent and awaiting reply from fabric.
6157  */
6158 static void
6159 bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
6160                         enum bfa_fcs_vport_event event)
6161 {
6162         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6163         bfa_trc(__vport_fcs(vport), event);
6164
6165         switch (event) {
6166         case BFA_FCS_VPORT_SM_DELETE:
6167                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_rsp_wait);
6168                 break;
6169
6170         case BFA_FCS_VPORT_SM_OFFLINE:
6171                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6172                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6173                 break;
6174
6175         case BFA_FCS_VPORT_SM_RSP_OK:
6176                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
6177                 bfa_fcs_lport_online(&vport->lport);
6178                 break;
6179
6180         case BFA_FCS_VPORT_SM_RSP_ERROR:
6181                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
6182                 bfa_timer_start(__vport_bfa(vport), &vport->timer,
6183                                     bfa_fcs_vport_timeout, vport,
6184                                     BFA_FCS_RETRY_TIMEOUT);
6185                 break;
6186
6187         case BFA_FCS_VPORT_SM_RSP_FAILED:
6188         case BFA_FCS_VPORT_SM_FABRIC_MAX:
6189                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6190                 break;
6191
6192         case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6193                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
6194                 break;
6195
6196         default:
6197                 bfa_sm_fault(__vport_fcs(vport), event);
6198         }
6199 }
6200
6201 /*
6202  * FDISC attempt failed - a timer is active to retry FDISC.
6203  */
6204 static void
6205 bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
6206                              enum bfa_fcs_vport_event event)
6207 {
6208         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6209         bfa_trc(__vport_fcs(vport), event);
6210
6211         switch (event) {
6212         case BFA_FCS_VPORT_SM_DELETE:
6213                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6214                 bfa_timer_stop(&vport->timer);
6215                 bfa_fcs_lport_delete(&vport->lport);
6216                 break;
6217
6218         case BFA_FCS_VPORT_SM_OFFLINE:
6219                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6220                 bfa_timer_stop(&vport->timer);
6221                 break;
6222
6223         case BFA_FCS_VPORT_SM_TIMEOUT:
6224                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
6225                 vport->vport_stats.fdisc_retries++;
6226                 vport->fdisc_retries++;
6227                 bfa_fcs_vport_do_fdisc(vport);
6228                 break;
6229
6230         default:
6231                 bfa_sm_fault(__vport_fcs(vport), event);
6232         }
6233 }
6234
6235 /*
6236  * FDISC is in progress and we got a vport delete request -
6237  * this is a wait state while we wait for fdisc response and
6238  * we will transition to the appropriate state - on rsp status.
6239  */
6240 static void
6241 bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
6242                                 enum bfa_fcs_vport_event event)
6243 {
6244         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6245         bfa_trc(__vport_fcs(vport), event);
6246
6247         switch (event) {
6248         case BFA_FCS_VPORT_SM_RSP_OK:
6249                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6250                 bfa_fcs_lport_delete(&vport->lport);
6251                 break;
6252
6253         case BFA_FCS_VPORT_SM_DELETE:
6254                 break;
6255
6256         case BFA_FCS_VPORT_SM_OFFLINE:
6257         case BFA_FCS_VPORT_SM_RSP_ERROR:
6258         case BFA_FCS_VPORT_SM_RSP_FAILED:
6259         case BFA_FCS_VPORT_SM_FABRIC_MAX:
6260         case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
6261                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6262                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6263                 bfa_fcs_lport_delete(&vport->lport);
6264                 break;
6265
6266         default:
6267                 bfa_sm_fault(__vport_fcs(vport), event);
6268         }
6269 }
6270
6271 /*
6272  * Vport is online (FDISC is complete).
6273  */
6274 static void
6275 bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
6276                         enum bfa_fcs_vport_event event)
6277 {
6278         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6279         bfa_trc(__vport_fcs(vport), event);
6280
6281         switch (event) {
6282         case BFA_FCS_VPORT_SM_DELETE:
6283                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
6284                 bfa_fcs_lport_delete(&vport->lport);
6285                 break;
6286
6287         case BFA_FCS_VPORT_SM_STOP:
6288                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_stopping);
6289                 bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
6290                 break;
6291
6292         case BFA_FCS_VPORT_SM_OFFLINE:
6293                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
6294                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6295                 bfa_fcs_lport_offline(&vport->lport);
6296                 break;
6297
6298         default:
6299                 bfa_sm_fault(__vport_fcs(vport), event);
6300         }
6301 }
6302
6303 /*
6304  * Vport is being stopped - awaiting lport stop completion to send
6305  * LOGO to fabric.
6306  */
6307 static void
6308 bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
6309                           enum bfa_fcs_vport_event event)
6310 {
6311         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6312         bfa_trc(__vport_fcs(vport), event);
6313
6314         switch (event) {
6315         case BFA_FCS_VPORT_SM_STOPCOMP:
6316                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo_for_stop);
6317                 bfa_fcs_vport_do_logo(vport);
6318                 break;
6319
6320         case BFA_FCS_VPORT_SM_OFFLINE:
6321                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6322                 break;
6323
6324         default:
6325                 bfa_sm_fault(__vport_fcs(vport), event);
6326         }
6327 }
6328
6329 /*
6330  * Vport is being deleted - awaiting lport delete completion to send
6331  * LOGO to fabric.
6332  */
6333 static void
6334 bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
6335                         enum bfa_fcs_vport_event event)
6336 {
6337         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6338         bfa_trc(__vport_fcs(vport), event);
6339
6340         switch (event) {
6341         case BFA_FCS_VPORT_SM_DELETE:
6342                 break;
6343
6344         case BFA_FCS_VPORT_SM_DELCOMP:
6345                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
6346                 bfa_fcs_vport_do_logo(vport);
6347                 break;
6348
6349         case BFA_FCS_VPORT_SM_OFFLINE:
6350                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6351                 break;
6352
6353         default:
6354                 bfa_sm_fault(__vport_fcs(vport), event);
6355         }
6356 }
6357
6358 /*
6359  * Error State.
6360  * This state will be set when the Vport Creation fails due
6361  * to errors like Dup WWN. In this state only operation allowed
6362  * is a Vport Delete.
6363  */
6364 static void
6365 bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
6366                         enum bfa_fcs_vport_event event)
6367 {
6368         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6369         bfa_trc(__vport_fcs(vport), event);
6370
6371         switch (event) {
6372         case BFA_FCS_VPORT_SM_DELETE:
6373                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
6374                 bfa_fcs_lport_delete(&vport->lport);
6375                 break;
6376
6377         default:
6378                 bfa_trc(__vport_fcs(vport), event);
6379         }
6380 }
6381
6382 /*
6383  * Lport cleanup is in progress since vport is being deleted. Fabric is
6384  * offline, so no LOGO is needed to complete vport deletion.
6385  */
6386 static void
6387 bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
6388                         enum bfa_fcs_vport_event event)
6389 {
6390         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6391         bfa_trc(__vport_fcs(vport), event);
6392
6393         switch (event) {
6394         case BFA_FCS_VPORT_SM_DELCOMP:
6395                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6396                 bfa_fcs_vport_free(vport);
6397                 break;
6398
6399         case BFA_FCS_VPORT_SM_STOPCOMP:
6400                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6401                 break;
6402
6403         case BFA_FCS_VPORT_SM_DELETE:
6404                 break;
6405
6406         default:
6407                 bfa_sm_fault(__vport_fcs(vport), event);
6408         }
6409 }
6410
6411 /*
6412  * LOGO is sent to fabric. Vport stop is in progress. Lport stop cleanup
6413  * is done.
6414  */
6415 static void
6416 bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
6417                                enum bfa_fcs_vport_event event)
6418 {
6419         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6420         bfa_trc(__vport_fcs(vport), event);
6421
6422         switch (event) {
6423         case BFA_FCS_VPORT_SM_OFFLINE:
6424                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6425                 fallthrough;
6426
6427         case BFA_FCS_VPORT_SM_RSP_OK:
6428         case BFA_FCS_VPORT_SM_RSP_ERROR:
6429                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
6430                 break;
6431
6432         default:
6433                 bfa_sm_fault(__vport_fcs(vport), event);
6434         }
6435 }
6436
6437 /*
6438  * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
6439  * is done.
6440  */
6441 static void
6442 bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
6443                         enum bfa_fcs_vport_event event)
6444 {
6445         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6446         bfa_trc(__vport_fcs(vport), event);
6447
6448         switch (event) {
6449         case BFA_FCS_VPORT_SM_OFFLINE:
6450                 bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
6451                 fallthrough;
6452
6453         case BFA_FCS_VPORT_SM_RSP_OK:
6454         case BFA_FCS_VPORT_SM_RSP_ERROR:
6455                 bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6456                 bfa_fcs_vport_free(vport);
6457                 break;
6458
6459         case BFA_FCS_VPORT_SM_DELETE:
6460                 break;
6461
6462         default:
6463                 bfa_sm_fault(__vport_fcs(vport), event);
6464         }
6465 }
6466
6467
6468
6469 /*
6470  *  fcs_vport_private FCS virtual port private functions
6471  */
6472 /*
6473  * Send AEN notification
6474  */
6475 static void
6476 bfa_fcs_vport_aen_post(struct bfa_fcs_lport_s *port,
6477                        enum bfa_lport_aen_event event)
6478 {
6479         struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
6480         struct bfa_aen_entry_s  *aen_entry;
6481
6482         bfad_get_aen_entry(bfad, aen_entry);
6483         if (!aen_entry)
6484                 return;
6485
6486         aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
6487         aen_entry->aen_data.lport.roles = port->port_cfg.roles;
6488         aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
6489                                         bfa_fcs_get_base_port(port->fcs));
6490         aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
6491
6492         /* Send the AEN notification */
6493         bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
6494                                   BFA_AEN_CAT_LPORT, event);
6495 }
6496
6497 /*
6498  * This routine will be called to send a FDISC command.
6499  */
6500 static void
6501 bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
6502 {
6503         bfa_lps_fdisc(vport->lps, vport,
6504                 bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
6505                 __vport_pwwn(vport), __vport_nwwn(vport));
6506         vport->vport_stats.fdisc_sent++;
6507 }
6508
6509 static void
6510 bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
6511 {
6512         u8              lsrjt_rsn = vport->lps->lsrjt_rsn;
6513         u8              lsrjt_expl = vport->lps->lsrjt_expl;
6514
6515         bfa_trc(__vport_fcs(vport), lsrjt_rsn);
6516         bfa_trc(__vport_fcs(vport), lsrjt_expl);
6517
6518         /* For certain reason codes, we don't want to retry. */
6519         switch (vport->lps->lsrjt_expl) {
6520         case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
6521         case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
6522                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6523                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6524                 else {
6525                         bfa_fcs_vport_aen_post(&vport->lport,
6526                                         BFA_LPORT_AEN_NPIV_DUP_WWN);
6527                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
6528                 }
6529                 break;
6530
6531         case FC_LS_RJT_EXP_INSUFF_RES:
6532                 /*
6533                  * This means max logins per port/switch setting on the
6534                  * switch was exceeded.
6535                  */
6536                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6537                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6538                 else {
6539                         bfa_fcs_vport_aen_post(&vport->lport,
6540                                         BFA_LPORT_AEN_NPIV_FABRIC_MAX);
6541                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_FABRIC_MAX);
6542                 }
6543                 break;
6544
6545         default:
6546                 if (vport->fdisc_retries == 0)
6547                         bfa_fcs_vport_aen_post(&vport->lport,
6548                                         BFA_LPORT_AEN_NPIV_UNKNOWN);
6549                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6550         }
6551 }
6552
6553 /*
6554  *      Called to send a logout to the fabric. Used when a V-Port is
6555  *      deleted/stopped.
6556  */
6557 static void
6558 bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
6559 {
6560         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6561
6562         vport->vport_stats.logo_sent++;
6563         bfa_lps_fdisclogo(vport->lps);
6564 }
6565
6566
6567 /*
6568  *     This routine will be called by bfa_timer on timer timeouts.
6569  *
6570  *      param[in]       vport           - pointer to bfa_fcs_vport_t.
6571  *      param[out]      vport_status    - pointer to return vport status in
6572  *
6573  *      return
6574  *              void
6575  *
6576  *      Special Considerations:
6577  *
6578  *      note
6579  */
6580 static void
6581 bfa_fcs_vport_timeout(void *vport_arg)
6582 {
6583         struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
6584
6585         vport->vport_stats.fdisc_timeouts++;
6586         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
6587 }
6588
6589 static void
6590 bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
6591 {
6592         struct bfad_vport_s *vport_drv =
6593                         (struct bfad_vport_s *)vport->vport_drv;
6594
6595         bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
6596         bfa_lps_delete(vport->lps);
6597
6598         if (vport_drv->comp_del) {
6599                 complete(vport_drv->comp_del);
6600                 return;
6601         }
6602
6603         /*
6604          * We queue the vport delete work to the IM work_q from here.
6605          * The memory for the bfad_vport_s is freed from the FC function
6606          * template vport_delete entry point.
6607          */
6608         bfad_im_port_delete(vport_drv->drv_port.bfad, &vport_drv->drv_port);
6609 }
6610
6611 /*
6612  *  fcs_vport_public FCS virtual port public interfaces
6613  */
6614
6615 /*
6616  * Online notification from fabric SM.
6617  */
6618 void
6619 bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
6620 {
6621         vport->vport_stats.fab_online++;
6622         if (bfa_fcs_fabric_npiv_capable(__vport_fabric(vport)))
6623                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6624         else
6625                 vport->vport_stats.fab_no_npiv++;
6626 }
6627
6628 /*
6629  * Offline notification from fabric SM.
6630  */
6631 void
6632 bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
6633 {
6634         vport->vport_stats.fab_offline++;
6635         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6636 }
6637
6638 /*
6639  * Cleanup notification from fabric SM on link timer expiry.
6640  */
6641 void
6642 bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
6643 {
6644         vport->vport_stats.fab_cleanup++;
6645 }
6646
6647 /*
6648  * Stop notification from fabric SM. To be invoked from within FCS.
6649  */
6650 void
6651 bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport)
6652 {
6653         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6654 }
6655
6656 /*
6657  * delete notification from fabric SM. To be invoked from within FCS.
6658  */
6659 void
6660 bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
6661 {
6662         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6663 }
6664
6665 /*
6666  * Stop completion callback from associated lport
6667  */
6668 void
6669 bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport)
6670 {
6671         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOPCOMP);
6672 }
6673
6674 /*
6675  * Delete completion callback from associated lport
6676  */
6677 void
6678 bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
6679 {
6680         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
6681 }
6682
6683
6684
6685 /*
6686  *  fcs_vport_api Virtual port API
6687  */
6688
6689 /*
6690  *      Use this function to instantiate a new FCS vport object. This
6691  *      function will not trigger any HW initialization process (which will be
6692  *      done in vport_start() call)
6693  *
6694  *      param[in] vport -               pointer to bfa_fcs_vport_t. This space
6695  *                                      needs to be allocated by the driver.
6696  *      param[in] fcs           -       FCS instance
6697  *      param[in] vport_cfg     -       vport configuration
6698  *      param[in] vf_id         -       VF_ID if vport is created within a VF.
6699  *                                      FC_VF_ID_NULL to specify base fabric.
6700  *      param[in] vport_drv     -       Opaque handle back to the driver's vport
6701  *                                      structure
6702  *
6703  *      retval BFA_STATUS_OK - on success.
6704  *      retval BFA_STATUS_FAILED - on failure.
6705  */
6706 bfa_status_t
6707 bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6708                 u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6709                 struct bfad_vport_s *vport_drv)
6710 {
6711         if (vport_cfg->pwwn == 0)
6712                 return BFA_STATUS_INVALID_WWN;
6713
6714         if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
6715                 return BFA_STATUS_VPORT_WWN_BP;
6716
6717         if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
6718                 return BFA_STATUS_VPORT_EXISTS;
6719
6720         if (fcs->fabric.num_vports ==
6721                         bfa_lps_get_max_vport(fcs->bfa))
6722                 return BFA_STATUS_VPORT_MAX;
6723
6724         vport->lps = bfa_lps_alloc(fcs->bfa);
6725         if (!vport->lps)
6726                 return BFA_STATUS_VPORT_MAX;
6727
6728         vport->vport_drv = vport_drv;
6729         vport_cfg->preboot_vp = BFA_FALSE;
6730
6731         bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
6732         bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
6733         bfa_fcs_lport_init(&vport->lport, vport_cfg);
6734         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
6735
6736         return BFA_STATUS_OK;
6737 }
6738
6739 /*
6740  *      Use this function to instantiate a new FCS PBC vport object. This
6741  *      function will not trigger any HW initialization process (which will be
6742  *      done in vport_start() call)
6743  *
6744  *      param[in] vport -       pointer to bfa_fcs_vport_t. This space
6745  *                              needs to be allocated by the driver.
6746  *      param[in] fcs   -       FCS instance
6747  *      param[in] vport_cfg     -       vport configuration
6748  *      param[in] vf_id         -       VF_ID if vport is created within a VF.
6749  *                                      FC_VF_ID_NULL to specify base fabric.
6750  *      param[in] vport_drv     -       Opaque handle back to the driver's vport
6751  *                                      structure
6752  *
6753  *      retval BFA_STATUS_OK - on success.
6754  *      retval BFA_STATUS_FAILED - on failure.
6755  */
6756 bfa_status_t
6757 bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
6758                         u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
6759                         struct bfad_vport_s *vport_drv)
6760 {
6761         bfa_status_t rc;
6762
6763         rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
6764         vport->lport.port_cfg.preboot_vp = BFA_TRUE;
6765
6766         return rc;
6767 }
6768
6769 /*
6770  *      Use this function to findout if this is a pbc vport or not.
6771  *
6772  * @param[in] vport - pointer to bfa_fcs_vport_t.
6773  *
6774  * @returns None
6775  */
6776 bfa_boolean_t
6777 bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
6778 {
6779
6780         if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
6781                 return BFA_TRUE;
6782         else
6783                 return BFA_FALSE;
6784
6785 }
6786
6787 /*
6788  * Use this function initialize the vport.
6789  *
6790  * @param[in] vport - pointer to bfa_fcs_vport_t.
6791  *
6792  * @returns None
6793  */
6794 bfa_status_t
6795 bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
6796 {
6797         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
6798
6799         return BFA_STATUS_OK;
6800 }
6801
6802 /*
6803  *      Use this function quiese the vport object. This function will return
6804  *      immediately, when the vport is actually stopped, the
6805  *      bfa_drv_vport_stop_cb() will be called.
6806  *
6807  *      param[in] vport - pointer to bfa_fcs_vport_t.
6808  *
6809  *      return None
6810  */
6811 bfa_status_t
6812 bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
6813 {
6814         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
6815
6816         return BFA_STATUS_OK;
6817 }
6818
6819 /*
6820  *      Use this function to delete a vport object. Fabric object should
6821  *      be stopped before this function call.
6822  *
6823  *      !!!!!!! Donot invoke this from within FCS  !!!!!!!
6824  *
6825  *      param[in] vport - pointer to bfa_fcs_vport_t.
6826  *
6827  *      return     None
6828  */
6829 bfa_status_t
6830 bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
6831 {
6832
6833         if (vport->lport.port_cfg.preboot_vp)
6834                 return BFA_STATUS_PBC;
6835
6836         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
6837
6838         return BFA_STATUS_OK;
6839 }
6840
6841 /*
6842  *      Use this function to get vport's current status info.
6843  *
6844  *      param[in] vport         pointer to bfa_fcs_vport_t.
6845  *      param[out] attr         pointer to return vport attributes
6846  *
6847  *      return None
6848  */
6849 void
6850 bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
6851                         struct bfa_vport_attr_s *attr)
6852 {
6853         if (vport == NULL || attr == NULL)
6854                 return;
6855
6856         memset(attr, 0, sizeof(struct bfa_vport_attr_s));
6857
6858         bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
6859         attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
6860 }
6861
6862
6863 /*
6864  *      Lookup a virtual port. Excludes base port from lookup.
6865  */
6866 struct bfa_fcs_vport_s *
6867 bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
6868 {
6869         struct bfa_fcs_vport_s *vport;
6870         struct bfa_fcs_fabric_s *fabric;
6871
6872         bfa_trc(fcs, vf_id);
6873         bfa_trc(fcs, vpwwn);
6874
6875         fabric = bfa_fcs_vf_lookup(fcs, vf_id);
6876         if (!fabric) {
6877                 bfa_trc(fcs, vf_id);
6878                 return NULL;
6879         }
6880
6881         vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
6882         return vport;
6883 }
6884
6885 /*
6886  * FDISC Response
6887  */
6888 void
6889 bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
6890 {
6891         struct bfa_fcs_vport_s *vport = uarg;
6892
6893         bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
6894         bfa_trc(__vport_fcs(vport), status);
6895
6896         switch (status) {
6897         case BFA_STATUS_OK:
6898                 /*
6899                  * Initialize the V-Port fields
6900                  */
6901                 __vport_fcid(vport) = vport->lps->lp_pid;
6902                 vport->vport_stats.fdisc_accepts++;
6903                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6904                 break;
6905
6906         case BFA_STATUS_INVALID_MAC:
6907                 /* Only for CNA */
6908                 vport->vport_stats.fdisc_acc_bad++;
6909                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6910
6911                 break;
6912
6913         case BFA_STATUS_EPROTOCOL:
6914                 switch (vport->lps->ext_status) {
6915                 case BFA_EPROTO_BAD_ACCEPT:
6916                         vport->vport_stats.fdisc_acc_bad++;
6917                         break;
6918
6919                 case BFA_EPROTO_UNKNOWN_RSP:
6920                         vport->vport_stats.fdisc_unknown_rsp++;
6921                         break;
6922
6923                 default:
6924                         break;
6925                 }
6926
6927                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6928                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6929                 else
6930                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6931
6932                 break;
6933
6934         case BFA_STATUS_ETIMER:
6935                 vport->vport_stats.fdisc_timeouts++;
6936                 if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
6937                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6938                 else
6939                         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
6940                 break;
6941
6942         case BFA_STATUS_FABRIC_RJT:
6943                 vport->vport_stats.fdisc_rejects++;
6944                 bfa_fcs_vport_fdisc_rejected(vport);
6945                 break;
6946
6947         default:
6948                 vport->vport_stats.fdisc_rsp_err++;
6949                 bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
6950         }
6951 }
6952
6953 /*
6954  * LOGO response
6955  */
6956 void
6957 bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
6958 {
6959         struct bfa_fcs_vport_s *vport = uarg;
6960         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
6961 }
6962
6963 /*
6964  * Received clear virtual link
6965  */
6966 void
6967 bfa_cb_lps_cvl_event(void *bfad, void *uarg)
6968 {
6969         struct bfa_fcs_vport_s *vport = uarg;
6970
6971         /* Send an Offline followed by an ONLINE */
6972         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
6973         bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
6974 }