17725ccfdSJing Huang /* 2a36c61f9SKrishna Gudipati * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. 37725ccfdSJing Huang * All rights reserved 47725ccfdSJing Huang * www.brocade.com 57725ccfdSJing Huang * 67725ccfdSJing Huang * Linux driver for Brocade Fibre Channel Host Bus Adapter. 77725ccfdSJing Huang * 87725ccfdSJing Huang * This program is free software; you can redistribute it and/or modify it 97725ccfdSJing Huang * under the terms of the GNU General Public License (GPL) Version 2 as 107725ccfdSJing Huang * published by the Free Software Foundation 117725ccfdSJing Huang * 127725ccfdSJing Huang * This program is distributed in the hope that it will be useful, but 137725ccfdSJing Huang * WITHOUT ANY WARRANTY; without even the implied warranty of 147725ccfdSJing Huang * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 157725ccfdSJing Huang * General Public License for more details. 167725ccfdSJing Huang */ 177725ccfdSJing Huang 185fbe25c7SJing Huang /* 197725ccfdSJing Huang * bfa_fcs.c BFA FCS main 207725ccfdSJing Huang */ 217725ccfdSJing Huang 22f16a1750SMaggie Zhang #include "bfad_drv.h" 23a36c61f9SKrishna Gudipati #include "bfa_fcs.h" 24a36c61f9SKrishna Gudipati #include "bfa_fcbuild.h" 25a36c61f9SKrishna Gudipati 26a36c61f9SKrishna Gudipati BFA_TRC_FILE(FCS, FCS); 277725ccfdSJing Huang 285fbe25c7SJing Huang /* 297725ccfdSJing Huang * FCS sub-modules 307725ccfdSJing Huang */ 317725ccfdSJing Huang struct bfa_fcs_mod_s { 3282794a2eSKrishna Gudipati void (*attach) (struct bfa_fcs_s *fcs); 337725ccfdSJing Huang void (*modinit) (struct bfa_fcs_s *fcs); 347725ccfdSJing Huang void (*modexit) (struct bfa_fcs_s *fcs); 357725ccfdSJing Huang }; 367725ccfdSJing Huang 377725ccfdSJing Huang #define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit } 387725ccfdSJing Huang 397725ccfdSJing Huang static struct bfa_fcs_mod_s fcs_modules[] = { 40a36c61f9SKrishna Gudipati { bfa_fcs_port_attach, NULL, NULL }, 4182794a2eSKrishna Gudipati { bfa_fcs_uf_attach, NULL, NULL }, 4282794a2eSKrishna Gudipati { bfa_fcs_fabric_attach, bfa_fcs_fabric_modinit, 4382794a2eSKrishna Gudipati bfa_fcs_fabric_modexit }, 447725ccfdSJing Huang }; 457725ccfdSJing Huang 465fbe25c7SJing Huang /* 477725ccfdSJing Huang * fcs_api BFA FCS API 487725ccfdSJing Huang */ 497725ccfdSJing Huang 507725ccfdSJing Huang static void 517725ccfdSJing Huang bfa_fcs_exit_comp(void *fcs_cbarg) 527725ccfdSJing Huang { 537725ccfdSJing Huang struct bfa_fcs_s *fcs = fcs_cbarg; 547725ccfdSJing Huang struct bfad_s *bfad = fcs->bfad; 557725ccfdSJing Huang 567725ccfdSJing Huang complete(&bfad->comp); 577725ccfdSJing Huang } 587725ccfdSJing Huang 597725ccfdSJing Huang 607725ccfdSJing Huang 615fbe25c7SJing Huang /* 627725ccfdSJing Huang * fcs_api BFA FCS API 637725ccfdSJing Huang */ 647725ccfdSJing Huang 655fbe25c7SJing Huang /* 6682794a2eSKrishna Gudipati * fcs attach -- called once to initialize data structures at driver attach time 677725ccfdSJing Huang */ 687725ccfdSJing Huang void 6982794a2eSKrishna Gudipati bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad, 707725ccfdSJing Huang bfa_boolean_t min_cfg) 717725ccfdSJing Huang { 727725ccfdSJing Huang int i; 737725ccfdSJing Huang struct bfa_fcs_mod_s *mod; 747725ccfdSJing Huang 757725ccfdSJing Huang fcs->bfa = bfa; 767725ccfdSJing Huang fcs->bfad = bfad; 777725ccfdSJing Huang fcs->min_cfg = min_cfg; 787725ccfdSJing Huang 79f7f73812SMaggie Zhang bfa->fcs = BFA_TRUE; 807725ccfdSJing Huang fcbuild_init(); 817725ccfdSJing Huang 82a36c61f9SKrishna Gudipati for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) { 837725ccfdSJing Huang mod = &fcs_modules[i]; 8482794a2eSKrishna Gudipati if (mod->attach) 8582794a2eSKrishna Gudipati mod->attach(fcs); 8682794a2eSKrishna Gudipati } 8782794a2eSKrishna Gudipati } 8882794a2eSKrishna Gudipati 895fbe25c7SJing Huang /* 9082794a2eSKrishna Gudipati * fcs initialization, called once after bfa initialization is complete 9182794a2eSKrishna Gudipati */ 9282794a2eSKrishna Gudipati void 9382794a2eSKrishna Gudipati bfa_fcs_init(struct bfa_fcs_s *fcs) 9482794a2eSKrishna Gudipati { 95d9883548SJing Huang int i, npbc_vports; 9682794a2eSKrishna Gudipati struct bfa_fcs_mod_s *mod; 97d9883548SJing Huang struct bfi_pbc_vport_s pbc_vports[BFI_PBC_MAX_VPORTS]; 9882794a2eSKrishna Gudipati 99a36c61f9SKrishna Gudipati for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) { 10082794a2eSKrishna Gudipati mod = &fcs_modules[i]; 10182794a2eSKrishna Gudipati if (mod->modinit) 1027725ccfdSJing Huang mod->modinit(fcs); 1037725ccfdSJing Huang } 104d9883548SJing Huang /* Initialize pbc vports */ 105d9883548SJing Huang if (!fcs->min_cfg) { 106d9883548SJing Huang npbc_vports = 107d9883548SJing Huang bfa_iocfc_get_pbc_vports(fcs->bfa, pbc_vports); 108d9883548SJing Huang for (i = 0; i < npbc_vports; i++) 109d9883548SJing Huang bfa_fcb_pbc_vport_create(fcs->bfa->bfad, pbc_vports[i]); 110d9883548SJing Huang } 1117725ccfdSJing Huang } 1127725ccfdSJing Huang 1137725ccfdSJing Huang 1145fbe25c7SJing Huang /* 115a36c61f9SKrishna Gudipati * brief 1167725ccfdSJing Huang * FCS driver details initialization. 1177725ccfdSJing Huang * 1187725ccfdSJing Huang * param[in] fcs FCS instance 1197725ccfdSJing Huang * param[in] driver_info Driver Details 1207725ccfdSJing Huang * 1217725ccfdSJing Huang * return None 1227725ccfdSJing Huang */ 1237725ccfdSJing Huang void 1247725ccfdSJing Huang bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs, 1257725ccfdSJing Huang struct bfa_fcs_driver_info_s *driver_info) 1267725ccfdSJing Huang { 1277725ccfdSJing Huang 1287725ccfdSJing Huang fcs->driver_info = *driver_info; 1297725ccfdSJing Huang 1307725ccfdSJing Huang bfa_fcs_fabric_psymb_init(&fcs->fabric); 1317725ccfdSJing Huang } 1327725ccfdSJing Huang 1335fbe25c7SJing Huang /* 134a36c61f9SKrishna Gudipati * brief 1357725ccfdSJing Huang * FCS instance cleanup and exit. 1367725ccfdSJing Huang * 1377725ccfdSJing Huang * param[in] fcs FCS instance 1387725ccfdSJing Huang * return None 1397725ccfdSJing Huang */ 1407725ccfdSJing Huang void 1417725ccfdSJing Huang bfa_fcs_exit(struct bfa_fcs_s *fcs) 1427725ccfdSJing Huang { 1437725ccfdSJing Huang struct bfa_fcs_mod_s *mod; 144a36c61f9SKrishna Gudipati int nmods, i; 1457725ccfdSJing Huang 1467725ccfdSJing Huang bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs); 1477725ccfdSJing Huang 148a36c61f9SKrishna Gudipati nmods = sizeof(fcs_modules) / sizeof(fcs_modules[0]); 149a36c61f9SKrishna Gudipati 150a36c61f9SKrishna Gudipati for (i = 0; i < nmods; i++) { 1517725ccfdSJing Huang 1527725ccfdSJing Huang mod = &fcs_modules[i]; 15382794a2eSKrishna Gudipati if (mod->modexit) { 15482794a2eSKrishna Gudipati bfa_wc_up(&fcs->wc); 1557725ccfdSJing Huang mod->modexit(fcs); 1567725ccfdSJing Huang } 15782794a2eSKrishna Gudipati } 1587725ccfdSJing Huang 1597725ccfdSJing Huang bfa_wc_wait(&fcs->wc); 1607725ccfdSJing Huang } 1617725ccfdSJing Huang 1627725ccfdSJing Huang 1635fbe25c7SJing Huang /* 164a36c61f9SKrishna Gudipati * Fabric module implementation. 165a36c61f9SKrishna Gudipati */ 1667725ccfdSJing Huang 167a36c61f9SKrishna Gudipati #define BFA_FCS_FABRIC_RETRY_DELAY (2000) /* Milliseconds */ 168a36c61f9SKrishna Gudipati #define BFA_FCS_FABRIC_CLEANUP_DELAY (10000) /* Milliseconds */ 169a36c61f9SKrishna Gudipati 170a36c61f9SKrishna Gudipati #define bfa_fcs_fabric_set_opertype(__fabric) do { \ 171a36c61f9SKrishna Gudipati if (bfa_fcport_get_topology((__fabric)->fcs->bfa) \ 172a36c61f9SKrishna Gudipati == BFA_PORT_TOPOLOGY_P2P) \ 173a36c61f9SKrishna Gudipati (__fabric)->oper_type = BFA_PORT_TYPE_NPORT; \ 174a36c61f9SKrishna Gudipati else \ 175a36c61f9SKrishna Gudipati (__fabric)->oper_type = BFA_PORT_TYPE_NLPORT; \ 176a36c61f9SKrishna Gudipati } while (0) 177a36c61f9SKrishna Gudipati 178a36c61f9SKrishna Gudipati /* 179a36c61f9SKrishna Gudipati * forward declarations 180a36c61f9SKrishna Gudipati */ 181a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric); 182a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric); 183a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric); 184a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric); 185a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_delay(void *cbarg); 186a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric); 187a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_delete_comp(void *cbarg); 188a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, 189a36c61f9SKrishna Gudipati struct fchs_s *fchs, u16 len); 190a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric, 191a36c61f9SKrishna Gudipati struct fchs_s *fchs, u16 len); 192a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric); 193a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_flogiacc_comp(void *fcsarg, 194a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp, void *cbarg, 195a36c61f9SKrishna Gudipati bfa_status_t status, 196a36c61f9SKrishna Gudipati u32 rsp_len, 197a36c61f9SKrishna Gudipati u32 resid_len, 198a36c61f9SKrishna Gudipati struct fchs_s *rspfchs); 199a36c61f9SKrishna Gudipati 200a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric, 201a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event); 202a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric, 203a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event); 204a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric, 205a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event); 206a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, 207a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event); 208a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric, 209a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event); 210a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric, 211a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event); 212a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric, 213a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event); 214a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric, 215a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event); 216a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric, 217a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event); 218a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric, 219a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event); 220a36c61f9SKrishna Gudipati static void bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric, 221a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event); 2225fbe25c7SJing Huang /* 223a36c61f9SKrishna Gudipati * Beginning state before fabric creation. 224a36c61f9SKrishna Gudipati */ 225a36c61f9SKrishna Gudipati static void 226a36c61f9SKrishna Gudipati bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric, 227a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event) 228a36c61f9SKrishna Gudipati { 229a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 230a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 231a36c61f9SKrishna Gudipati 232a36c61f9SKrishna Gudipati switch (event) { 233a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_CREATE: 234a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created); 235a36c61f9SKrishna Gudipati bfa_fcs_fabric_init(fabric); 236a36c61f9SKrishna Gudipati bfa_fcs_lport_init(&fabric->bport, &fabric->bport.port_cfg); 237a36c61f9SKrishna Gudipati break; 238a36c61f9SKrishna Gudipati 239a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LINK_UP: 240a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LINK_DOWN: 241a36c61f9SKrishna Gudipati break; 242a36c61f9SKrishna Gudipati 243a36c61f9SKrishna Gudipati default: 244a36c61f9SKrishna Gudipati bfa_sm_fault(fabric->fcs, event); 245a36c61f9SKrishna Gudipati } 246a36c61f9SKrishna Gudipati } 247a36c61f9SKrishna Gudipati 2485fbe25c7SJing Huang /* 249a36c61f9SKrishna Gudipati * Beginning state before fabric creation. 250a36c61f9SKrishna Gudipati */ 251a36c61f9SKrishna Gudipati static void 252a36c61f9SKrishna Gudipati bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric, 253a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event) 254a36c61f9SKrishna Gudipati { 255a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 256a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 257a36c61f9SKrishna Gudipati 258a36c61f9SKrishna Gudipati switch (event) { 259a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_START: 260a36c61f9SKrishna Gudipati if (bfa_fcport_is_linkup(fabric->fcs->bfa)) { 261a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); 262a36c61f9SKrishna Gudipati bfa_fcs_fabric_login(fabric); 263a36c61f9SKrishna Gudipati } else 264a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); 265a36c61f9SKrishna Gudipati break; 266a36c61f9SKrishna Gudipati 267a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LINK_UP: 268a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LINK_DOWN: 269a36c61f9SKrishna Gudipati break; 270a36c61f9SKrishna Gudipati 271a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_DELETE: 272a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); 273f7f73812SMaggie Zhang bfa_wc_down(&fabric->fcs->wc); 274a36c61f9SKrishna Gudipati break; 275a36c61f9SKrishna Gudipati 276a36c61f9SKrishna Gudipati default: 277a36c61f9SKrishna Gudipati bfa_sm_fault(fabric->fcs, event); 278a36c61f9SKrishna Gudipati } 279a36c61f9SKrishna Gudipati } 280a36c61f9SKrishna Gudipati 2815fbe25c7SJing Huang /* 282a36c61f9SKrishna Gudipati * Link is down, awaiting LINK UP event from port. This is also the 283a36c61f9SKrishna Gudipati * first state at fabric creation. 284a36c61f9SKrishna Gudipati */ 285a36c61f9SKrishna Gudipati static void 286a36c61f9SKrishna Gudipati bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric, 287a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event) 288a36c61f9SKrishna Gudipati { 289a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 290a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 291a36c61f9SKrishna Gudipati 292a36c61f9SKrishna Gudipati switch (event) { 293a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LINK_UP: 294a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); 295a36c61f9SKrishna Gudipati bfa_fcs_fabric_login(fabric); 296a36c61f9SKrishna Gudipati break; 297a36c61f9SKrishna Gudipati 298a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_RETRY_OP: 299a36c61f9SKrishna Gudipati break; 300a36c61f9SKrishna Gudipati 301a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_DELETE: 302a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); 303a36c61f9SKrishna Gudipati bfa_fcs_fabric_delete(fabric); 304a36c61f9SKrishna Gudipati break; 305a36c61f9SKrishna Gudipati 306a36c61f9SKrishna Gudipati default: 307a36c61f9SKrishna Gudipati bfa_sm_fault(fabric->fcs, event); 308a36c61f9SKrishna Gudipati } 309a36c61f9SKrishna Gudipati } 310a36c61f9SKrishna Gudipati 3115fbe25c7SJing Huang /* 312a36c61f9SKrishna Gudipati * FLOGI is in progress, awaiting FLOGI reply. 313a36c61f9SKrishna Gudipati */ 314a36c61f9SKrishna Gudipati static void 315a36c61f9SKrishna Gudipati bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, 316a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event) 317a36c61f9SKrishna Gudipati { 318a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 319a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 320a36c61f9SKrishna Gudipati 321a36c61f9SKrishna Gudipati switch (event) { 322a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_CONT_OP: 323a36c61f9SKrishna Gudipati 324a36c61f9SKrishna Gudipati bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, 325a36c61f9SKrishna Gudipati fabric->bb_credit); 326a36c61f9SKrishna Gudipati fabric->fab_type = BFA_FCS_FABRIC_SWITCHED; 327a36c61f9SKrishna Gudipati 328a36c61f9SKrishna Gudipati if (fabric->auth_reqd && fabric->is_auth) { 329a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth); 330a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 331a36c61f9SKrishna Gudipati } else { 332a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online); 333a36c61f9SKrishna Gudipati bfa_fcs_fabric_notify_online(fabric); 334a36c61f9SKrishna Gudipati } 335a36c61f9SKrishna Gudipati break; 336a36c61f9SKrishna Gudipati 337a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_RETRY_OP: 338a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi_retry); 339a36c61f9SKrishna Gudipati bfa_timer_start(fabric->fcs->bfa, &fabric->delay_timer, 340a36c61f9SKrishna Gudipati bfa_fcs_fabric_delay, fabric, 341a36c61f9SKrishna Gudipati BFA_FCS_FABRIC_RETRY_DELAY); 342a36c61f9SKrishna Gudipati break; 343a36c61f9SKrishna Gudipati 344a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LOOPBACK: 345a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_loopback); 346f7f73812SMaggie Zhang bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); 347a36c61f9SKrishna Gudipati bfa_fcs_fabric_set_opertype(fabric); 348a36c61f9SKrishna Gudipati break; 349a36c61f9SKrishna Gudipati 350a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_NO_FABRIC: 351a36c61f9SKrishna Gudipati fabric->fab_type = BFA_FCS_FABRIC_N2N; 352a36c61f9SKrishna Gudipati bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, 353a36c61f9SKrishna Gudipati fabric->bb_credit); 354a36c61f9SKrishna Gudipati bfa_fcs_fabric_notify_online(fabric); 355a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_nofabric); 356a36c61f9SKrishna Gudipati break; 357a36c61f9SKrishna Gudipati 358a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LINK_DOWN: 359a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); 360f7f73812SMaggie Zhang bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); 361a36c61f9SKrishna Gudipati break; 362a36c61f9SKrishna Gudipati 363a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_DELETE: 364a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); 365f7f73812SMaggie Zhang bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); 366a36c61f9SKrishna Gudipati bfa_fcs_fabric_delete(fabric); 367a36c61f9SKrishna Gudipati break; 368a36c61f9SKrishna Gudipati 369a36c61f9SKrishna Gudipati default: 370a36c61f9SKrishna Gudipati bfa_sm_fault(fabric->fcs, event); 371a36c61f9SKrishna Gudipati } 372a36c61f9SKrishna Gudipati } 373a36c61f9SKrishna Gudipati 374a36c61f9SKrishna Gudipati 375a36c61f9SKrishna Gudipati static void 376a36c61f9SKrishna Gudipati bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric, 377a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event) 378a36c61f9SKrishna Gudipati { 379a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 380a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 381a36c61f9SKrishna Gudipati 382a36c61f9SKrishna Gudipati switch (event) { 383a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_DELAYED: 384a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); 385a36c61f9SKrishna Gudipati bfa_fcs_fabric_login(fabric); 386a36c61f9SKrishna Gudipati break; 387a36c61f9SKrishna Gudipati 388a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LINK_DOWN: 389a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); 390a36c61f9SKrishna Gudipati bfa_timer_stop(&fabric->delay_timer); 391a36c61f9SKrishna Gudipati break; 392a36c61f9SKrishna Gudipati 393a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_DELETE: 394a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); 395a36c61f9SKrishna Gudipati bfa_timer_stop(&fabric->delay_timer); 396a36c61f9SKrishna Gudipati bfa_fcs_fabric_delete(fabric); 397a36c61f9SKrishna Gudipati break; 398a36c61f9SKrishna Gudipati 399a36c61f9SKrishna Gudipati default: 400a36c61f9SKrishna Gudipati bfa_sm_fault(fabric->fcs, event); 401a36c61f9SKrishna Gudipati } 402a36c61f9SKrishna Gudipati } 403a36c61f9SKrishna Gudipati 4045fbe25c7SJing Huang /* 405a36c61f9SKrishna Gudipati * Authentication is in progress, awaiting authentication results. 406a36c61f9SKrishna Gudipati */ 407a36c61f9SKrishna Gudipati static void 408a36c61f9SKrishna Gudipati bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric, 409a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event) 410a36c61f9SKrishna Gudipati { 411a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 412a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 413a36c61f9SKrishna Gudipati 414a36c61f9SKrishna Gudipati switch (event) { 415a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_AUTH_FAILED: 416a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed); 417f7f73812SMaggie Zhang bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); 418a36c61f9SKrishna Gudipati break; 419a36c61f9SKrishna Gudipati 420a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_AUTH_SUCCESS: 421a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online); 422a36c61f9SKrishna Gudipati bfa_fcs_fabric_notify_online(fabric); 423a36c61f9SKrishna Gudipati break; 424a36c61f9SKrishna Gudipati 425a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_PERF_EVFP: 426a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp); 427a36c61f9SKrishna Gudipati break; 428a36c61f9SKrishna Gudipati 429a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LINK_DOWN: 430a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); 431f7f73812SMaggie Zhang bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); 432a36c61f9SKrishna Gudipati break; 433a36c61f9SKrishna Gudipati 434a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_DELETE: 435a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); 436a36c61f9SKrishna Gudipati bfa_fcs_fabric_delete(fabric); 437a36c61f9SKrishna Gudipati break; 438a36c61f9SKrishna Gudipati 439a36c61f9SKrishna Gudipati default: 440a36c61f9SKrishna Gudipati bfa_sm_fault(fabric->fcs, event); 441a36c61f9SKrishna Gudipati } 442a36c61f9SKrishna Gudipati } 443a36c61f9SKrishna Gudipati 4445fbe25c7SJing Huang /* 445a36c61f9SKrishna Gudipati * Authentication failed 446a36c61f9SKrishna Gudipati */ 447f7f73812SMaggie Zhang void 448a36c61f9SKrishna Gudipati bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, 449a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event) 450a36c61f9SKrishna Gudipati { 451a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 452a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 453a36c61f9SKrishna Gudipati 454a36c61f9SKrishna Gudipati switch (event) { 455a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LINK_DOWN: 456a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); 457a36c61f9SKrishna Gudipati bfa_fcs_fabric_notify_offline(fabric); 458a36c61f9SKrishna Gudipati break; 459a36c61f9SKrishna Gudipati 460a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_DELETE: 461a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); 462a36c61f9SKrishna Gudipati bfa_fcs_fabric_delete(fabric); 463a36c61f9SKrishna Gudipati break; 464a36c61f9SKrishna Gudipati 465a36c61f9SKrishna Gudipati default: 466a36c61f9SKrishna Gudipati bfa_sm_fault(fabric->fcs, event); 467a36c61f9SKrishna Gudipati } 468a36c61f9SKrishna Gudipati } 469a36c61f9SKrishna Gudipati 4705fbe25c7SJing Huang /* 471a36c61f9SKrishna Gudipati * Port is in loopback mode. 472a36c61f9SKrishna Gudipati */ 473f7f73812SMaggie Zhang void 474a36c61f9SKrishna Gudipati bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, 475a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event) 476a36c61f9SKrishna Gudipati { 477a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 478a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 479a36c61f9SKrishna Gudipati 480a36c61f9SKrishna Gudipati switch (event) { 481a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LINK_DOWN: 482a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); 483a36c61f9SKrishna Gudipati bfa_fcs_fabric_notify_offline(fabric); 484a36c61f9SKrishna Gudipati break; 485a36c61f9SKrishna Gudipati 486a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_DELETE: 487a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); 488a36c61f9SKrishna Gudipati bfa_fcs_fabric_delete(fabric); 489a36c61f9SKrishna Gudipati break; 490a36c61f9SKrishna Gudipati 491a36c61f9SKrishna Gudipati default: 492a36c61f9SKrishna Gudipati bfa_sm_fault(fabric->fcs, event); 493a36c61f9SKrishna Gudipati } 494a36c61f9SKrishna Gudipati } 495a36c61f9SKrishna Gudipati 4965fbe25c7SJing Huang /* 497a36c61f9SKrishna Gudipati * There is no attached fabric - private loop or NPort-to-NPort topology. 498a36c61f9SKrishna Gudipati */ 499a36c61f9SKrishna Gudipati static void 500a36c61f9SKrishna Gudipati bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric, 501a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event) 502a36c61f9SKrishna Gudipati { 503a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 504a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 505a36c61f9SKrishna Gudipati 506a36c61f9SKrishna Gudipati switch (event) { 507a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LINK_DOWN: 508a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); 509f7f73812SMaggie Zhang bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); 510a36c61f9SKrishna Gudipati bfa_fcs_fabric_notify_offline(fabric); 511a36c61f9SKrishna Gudipati break; 512a36c61f9SKrishna Gudipati 513a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_DELETE: 514a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); 515a36c61f9SKrishna Gudipati bfa_fcs_fabric_delete(fabric); 516a36c61f9SKrishna Gudipati break; 517a36c61f9SKrishna Gudipati 518a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_NO_FABRIC: 519a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bb_credit); 520a36c61f9SKrishna Gudipati bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, 521a36c61f9SKrishna Gudipati fabric->bb_credit); 522a36c61f9SKrishna Gudipati break; 523a36c61f9SKrishna Gudipati 524a36c61f9SKrishna Gudipati default: 525a36c61f9SKrishna Gudipati bfa_sm_fault(fabric->fcs, event); 526a36c61f9SKrishna Gudipati } 527a36c61f9SKrishna Gudipati } 528a36c61f9SKrishna Gudipati 5295fbe25c7SJing Huang /* 530a36c61f9SKrishna Gudipati * Fabric is online - normal operating state. 531a36c61f9SKrishna Gudipati */ 532f7f73812SMaggie Zhang void 533a36c61f9SKrishna Gudipati bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, 534a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event) 535a36c61f9SKrishna Gudipati { 536a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 537a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 538a36c61f9SKrishna Gudipati 539a36c61f9SKrishna Gudipati switch (event) { 540a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LINK_DOWN: 541a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); 542f7f73812SMaggie Zhang bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); 543a36c61f9SKrishna Gudipati bfa_fcs_fabric_notify_offline(fabric); 544a36c61f9SKrishna Gudipati break; 545a36c61f9SKrishna Gudipati 546a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_DELETE: 547a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); 548a36c61f9SKrishna Gudipati bfa_fcs_fabric_delete(fabric); 549a36c61f9SKrishna Gudipati break; 550a36c61f9SKrishna Gudipati 551a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_AUTH_FAILED: 552a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed); 553f7f73812SMaggie Zhang bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE); 554a36c61f9SKrishna Gudipati break; 555a36c61f9SKrishna Gudipati 556a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_AUTH_SUCCESS: 557a36c61f9SKrishna Gudipati break; 558a36c61f9SKrishna Gudipati 559a36c61f9SKrishna Gudipati default: 560a36c61f9SKrishna Gudipati bfa_sm_fault(fabric->fcs, event); 561a36c61f9SKrishna Gudipati } 562a36c61f9SKrishna Gudipati } 563a36c61f9SKrishna Gudipati 5645fbe25c7SJing Huang /* 565a36c61f9SKrishna Gudipati * Exchanging virtual fabric parameters. 566a36c61f9SKrishna Gudipati */ 567a36c61f9SKrishna Gudipati static void 568a36c61f9SKrishna Gudipati bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric, 569a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event) 570a36c61f9SKrishna Gudipati { 571a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 572a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 573a36c61f9SKrishna Gudipati 574a36c61f9SKrishna Gudipati switch (event) { 575a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_CONT_OP: 576a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp_done); 577a36c61f9SKrishna Gudipati break; 578a36c61f9SKrishna Gudipati 579a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_ISOLATE: 580a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_isolated); 581a36c61f9SKrishna Gudipati break; 582a36c61f9SKrishna Gudipati 583a36c61f9SKrishna Gudipati default: 584a36c61f9SKrishna Gudipati bfa_sm_fault(fabric->fcs, event); 585a36c61f9SKrishna Gudipati } 586a36c61f9SKrishna Gudipati } 587a36c61f9SKrishna Gudipati 5885fbe25c7SJing Huang /* 589a36c61f9SKrishna Gudipati * EVFP exchange complete and VFT tagging is enabled. 590a36c61f9SKrishna Gudipati */ 591a36c61f9SKrishna Gudipati static void 592a36c61f9SKrishna Gudipati bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric, 593a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event) 594a36c61f9SKrishna Gudipati { 595a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 596a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 597a36c61f9SKrishna Gudipati } 598a36c61f9SKrishna Gudipati 5995fbe25c7SJing Huang /* 600a36c61f9SKrishna Gudipati * Port is isolated after EVFP exchange due to VF_ID mismatch (N and F). 601a36c61f9SKrishna Gudipati */ 602a36c61f9SKrishna Gudipati static void 603a36c61f9SKrishna Gudipati bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric, 604a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event) 605a36c61f9SKrishna Gudipati { 606a36c61f9SKrishna Gudipati struct bfad_s *bfad = (struct bfad_s *)fabric->fcs->bfad; 607a36c61f9SKrishna Gudipati char pwwn_ptr[BFA_STRING_32]; 608a36c61f9SKrishna Gudipati 609a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 610a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 611a36c61f9SKrishna Gudipati wwn2str(pwwn_ptr, fabric->bport.port_cfg.pwwn); 612a36c61f9SKrishna Gudipati 61388166242SJing Huang BFA_LOG(KERN_INFO, bfad, bfa_log_level, 614a36c61f9SKrishna Gudipati "Port is isolated due to VF_ID mismatch. " 615a36c61f9SKrishna Gudipati "PWWN: %s Port VF_ID: %04x switch port VF_ID: %04x.", 616a36c61f9SKrishna Gudipati pwwn_ptr, fabric->fcs->port_vfid, 617a36c61f9SKrishna Gudipati fabric->event_arg.swp_vfid); 618a36c61f9SKrishna Gudipati } 619a36c61f9SKrishna Gudipati 6205fbe25c7SJing Huang /* 621a36c61f9SKrishna Gudipati * Fabric is being deleted, awaiting vport delete completions. 622a36c61f9SKrishna Gudipati */ 623a36c61f9SKrishna Gudipati static void 624a36c61f9SKrishna Gudipati bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric, 625a36c61f9SKrishna Gudipati enum bfa_fcs_fabric_event event) 626a36c61f9SKrishna Gudipati { 627a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 628a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, event); 629a36c61f9SKrishna Gudipati 630a36c61f9SKrishna Gudipati switch (event) { 631a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_DELCOMP: 632a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); 633f7f73812SMaggie Zhang bfa_wc_down(&fabric->fcs->wc); 634a36c61f9SKrishna Gudipati break; 635a36c61f9SKrishna Gudipati 636a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LINK_UP: 637a36c61f9SKrishna Gudipati break; 638a36c61f9SKrishna Gudipati 639a36c61f9SKrishna Gudipati case BFA_FCS_FABRIC_SM_LINK_DOWN: 640a36c61f9SKrishna Gudipati bfa_fcs_fabric_notify_offline(fabric); 641a36c61f9SKrishna Gudipati break; 642a36c61f9SKrishna Gudipati 643a36c61f9SKrishna Gudipati default: 644a36c61f9SKrishna Gudipati bfa_sm_fault(fabric->fcs, event); 645a36c61f9SKrishna Gudipati } 646a36c61f9SKrishna Gudipati } 647a36c61f9SKrishna Gudipati 648a36c61f9SKrishna Gudipati 649a36c61f9SKrishna Gudipati 6505fbe25c7SJing Huang /* 651a36c61f9SKrishna Gudipati * fcs_fabric_private fabric private functions 652a36c61f9SKrishna Gudipati */ 653a36c61f9SKrishna Gudipati 654a36c61f9SKrishna Gudipati static void 655a36c61f9SKrishna Gudipati bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric) 656a36c61f9SKrishna Gudipati { 657a36c61f9SKrishna Gudipati struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg; 658a36c61f9SKrishna Gudipati 659a36c61f9SKrishna Gudipati port_cfg->roles = BFA_LPORT_ROLE_FCP_IM; 660f7f73812SMaggie Zhang port_cfg->nwwn = fabric->fcs->bfa->ioc.attr->nwwn; 661f7f73812SMaggie Zhang port_cfg->pwwn = fabric->fcs->bfa->ioc.attr->pwwn; 662a36c61f9SKrishna Gudipati } 663a36c61f9SKrishna Gudipati 6645fbe25c7SJing Huang /* 665a36c61f9SKrishna Gudipati * Port Symbolic Name Creation for base port. 666a36c61f9SKrishna Gudipati */ 667a36c61f9SKrishna Gudipati void 668a36c61f9SKrishna Gudipati bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric) 669a36c61f9SKrishna Gudipati { 670a36c61f9SKrishna Gudipati struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg; 671a36c61f9SKrishna Gudipati char model[BFA_ADAPTER_MODEL_NAME_LEN] = {0}; 672a36c61f9SKrishna Gudipati struct bfa_fcs_driver_info_s *driver_info = &fabric->fcs->driver_info; 673a36c61f9SKrishna Gudipati 674a36c61f9SKrishna Gudipati bfa_ioc_get_adapter_model(&fabric->fcs->bfa->ioc, model); 675a36c61f9SKrishna Gudipati 676a36c61f9SKrishna Gudipati /* Model name/number */ 677a36c61f9SKrishna Gudipati strncpy((char *)&port_cfg->sym_name, model, 678a36c61f9SKrishna Gudipati BFA_FCS_PORT_SYMBNAME_MODEL_SZ); 679a36c61f9SKrishna Gudipati strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, 680a36c61f9SKrishna Gudipati sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); 681a36c61f9SKrishna Gudipati 682a36c61f9SKrishna Gudipati /* Driver Version */ 683a36c61f9SKrishna Gudipati strncat((char *)&port_cfg->sym_name, (char *)driver_info->version, 684a36c61f9SKrishna Gudipati BFA_FCS_PORT_SYMBNAME_VERSION_SZ); 685a36c61f9SKrishna Gudipati strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, 686a36c61f9SKrishna Gudipati sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); 687a36c61f9SKrishna Gudipati 688a36c61f9SKrishna Gudipati /* Host machine name */ 689a36c61f9SKrishna Gudipati strncat((char *)&port_cfg->sym_name, 690a36c61f9SKrishna Gudipati (char *)driver_info->host_machine_name, 691a36c61f9SKrishna Gudipati BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ); 692a36c61f9SKrishna Gudipati strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, 693a36c61f9SKrishna Gudipati sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); 694a36c61f9SKrishna Gudipati 695a36c61f9SKrishna Gudipati /* 696a36c61f9SKrishna Gudipati * Host OS Info : 697a36c61f9SKrishna Gudipati * If OS Patch Info is not there, do not truncate any bytes from the 698a36c61f9SKrishna Gudipati * OS name string and instead copy the entire OS info string (64 bytes). 699a36c61f9SKrishna Gudipati */ 700a36c61f9SKrishna Gudipati if (driver_info->host_os_patch[0] == '\0') { 701a36c61f9SKrishna Gudipati strncat((char *)&port_cfg->sym_name, 702a36c61f9SKrishna Gudipati (char *)driver_info->host_os_name, 703a36c61f9SKrishna Gudipati BFA_FCS_OS_STR_LEN); 704a36c61f9SKrishna Gudipati strncat((char *)&port_cfg->sym_name, 705a36c61f9SKrishna Gudipati BFA_FCS_PORT_SYMBNAME_SEPARATOR, 706a36c61f9SKrishna Gudipati sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); 707a36c61f9SKrishna Gudipati } else { 708a36c61f9SKrishna Gudipati strncat((char *)&port_cfg->sym_name, 709a36c61f9SKrishna Gudipati (char *)driver_info->host_os_name, 710a36c61f9SKrishna Gudipati BFA_FCS_PORT_SYMBNAME_OSINFO_SZ); 711a36c61f9SKrishna Gudipati strncat((char *)&port_cfg->sym_name, 712a36c61f9SKrishna Gudipati BFA_FCS_PORT_SYMBNAME_SEPARATOR, 713a36c61f9SKrishna Gudipati sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); 714a36c61f9SKrishna Gudipati 715a36c61f9SKrishna Gudipati /* Append host OS Patch Info */ 716a36c61f9SKrishna Gudipati strncat((char *)&port_cfg->sym_name, 717a36c61f9SKrishna Gudipati (char *)driver_info->host_os_patch, 718a36c61f9SKrishna Gudipati BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ); 719a36c61f9SKrishna Gudipati } 720a36c61f9SKrishna Gudipati 721a36c61f9SKrishna Gudipati /* null terminate */ 722a36c61f9SKrishna Gudipati port_cfg->sym_name.symname[BFA_SYMNAME_MAXLEN - 1] = 0; 723a36c61f9SKrishna Gudipati } 724a36c61f9SKrishna Gudipati 7255fbe25c7SJing Huang /* 726a36c61f9SKrishna Gudipati * bfa lps login completion callback 727a36c61f9SKrishna Gudipati */ 728a36c61f9SKrishna Gudipati void 729a36c61f9SKrishna Gudipati bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status) 730a36c61f9SKrishna Gudipati { 731a36c61f9SKrishna Gudipati struct bfa_fcs_fabric_s *fabric = uarg; 732a36c61f9SKrishna Gudipati 733a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 734a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, status); 735a36c61f9SKrishna Gudipati 736a36c61f9SKrishna Gudipati switch (status) { 737a36c61f9SKrishna Gudipati case BFA_STATUS_OK: 738a36c61f9SKrishna Gudipati fabric->stats.flogi_accepts++; 739a36c61f9SKrishna Gudipati break; 740a36c61f9SKrishna Gudipati 741a36c61f9SKrishna Gudipati case BFA_STATUS_INVALID_MAC: 742a36c61f9SKrishna Gudipati /* Only for CNA */ 743a36c61f9SKrishna Gudipati fabric->stats.flogi_acc_err++; 744a36c61f9SKrishna Gudipati bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); 745a36c61f9SKrishna Gudipati 746a36c61f9SKrishna Gudipati return; 747a36c61f9SKrishna Gudipati 748a36c61f9SKrishna Gudipati case BFA_STATUS_EPROTOCOL: 749f7f73812SMaggie Zhang switch (fabric->lps->ext_status) { 750a36c61f9SKrishna Gudipati case BFA_EPROTO_BAD_ACCEPT: 751a36c61f9SKrishna Gudipati fabric->stats.flogi_acc_err++; 752a36c61f9SKrishna Gudipati break; 753a36c61f9SKrishna Gudipati 754a36c61f9SKrishna Gudipati case BFA_EPROTO_UNKNOWN_RSP: 755a36c61f9SKrishna Gudipati fabric->stats.flogi_unknown_rsp++; 756a36c61f9SKrishna Gudipati break; 757a36c61f9SKrishna Gudipati 758a36c61f9SKrishna Gudipati default: 759a36c61f9SKrishna Gudipati break; 760a36c61f9SKrishna Gudipati } 761a36c61f9SKrishna Gudipati bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); 762a36c61f9SKrishna Gudipati 763a36c61f9SKrishna Gudipati return; 764a36c61f9SKrishna Gudipati 765a36c61f9SKrishna Gudipati case BFA_STATUS_FABRIC_RJT: 766a36c61f9SKrishna Gudipati fabric->stats.flogi_rejects++; 767a36c61f9SKrishna Gudipati bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); 768a36c61f9SKrishna Gudipati return; 769a36c61f9SKrishna Gudipati 770a36c61f9SKrishna Gudipati default: 771a36c61f9SKrishna Gudipati fabric->stats.flogi_rsp_err++; 772a36c61f9SKrishna Gudipati bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); 773a36c61f9SKrishna Gudipati return; 774a36c61f9SKrishna Gudipati } 775a36c61f9SKrishna Gudipati 776f7f73812SMaggie Zhang fabric->bb_credit = fabric->lps->pr_bbcred; 777a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bb_credit); 778a36c61f9SKrishna Gudipati 779f7f73812SMaggie Zhang if (!(fabric->lps->brcd_switch)) 780f7f73812SMaggie Zhang fabric->fabric_name = fabric->lps->pr_nwwn; 781a36c61f9SKrishna Gudipati 782a36c61f9SKrishna Gudipati /* 783a36c61f9SKrishna Gudipati * Check port type. It should be 1 = F-port. 784a36c61f9SKrishna Gudipati */ 785f7f73812SMaggie Zhang if (fabric->lps->fport) { 786f7f73812SMaggie Zhang fabric->bport.pid = fabric->lps->lp_pid; 787f7f73812SMaggie Zhang fabric->is_npiv = fabric->lps->npiv_en; 788f7f73812SMaggie Zhang fabric->is_auth = fabric->lps->auth_req; 789a36c61f9SKrishna Gudipati bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_CONT_OP); 790a36c61f9SKrishna Gudipati } else { 791a36c61f9SKrishna Gudipati /* 792a36c61f9SKrishna Gudipati * Nport-2-Nport direct attached 793a36c61f9SKrishna Gudipati */ 794a36c61f9SKrishna Gudipati fabric->bport.port_topo.pn2n.rem_port_wwn = 795f7f73812SMaggie Zhang fabric->lps->pr_pwwn; 796a36c61f9SKrishna Gudipati bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC); 797a36c61f9SKrishna Gudipati } 798a36c61f9SKrishna Gudipati 799a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.pid); 800a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->is_npiv); 801a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->is_auth); 802a36c61f9SKrishna Gudipati } 8035fbe25c7SJing Huang /* 804a36c61f9SKrishna Gudipati * Allocate and send FLOGI. 805a36c61f9SKrishna Gudipati */ 806a36c61f9SKrishna Gudipati static void 807a36c61f9SKrishna Gudipati bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric) 808a36c61f9SKrishna Gudipati { 809a36c61f9SKrishna Gudipati struct bfa_s *bfa = fabric->fcs->bfa; 810a36c61f9SKrishna Gudipati struct bfa_lport_cfg_s *pcfg = &fabric->bport.port_cfg; 811a36c61f9SKrishna Gudipati u8 alpa = 0; 812a36c61f9SKrishna Gudipati 813a36c61f9SKrishna Gudipati if (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP) 814a36c61f9SKrishna Gudipati alpa = bfa_fcport_get_myalpa(bfa); 815a36c61f9SKrishna Gudipati 816a36c61f9SKrishna Gudipati bfa_lps_flogi(fabric->lps, fabric, alpa, bfa_fcport_get_maxfrsize(bfa), 817a36c61f9SKrishna Gudipati pcfg->pwwn, pcfg->nwwn, fabric->auth_reqd); 818a36c61f9SKrishna Gudipati 819a36c61f9SKrishna Gudipati fabric->stats.flogi_sent++; 820a36c61f9SKrishna Gudipati } 821a36c61f9SKrishna Gudipati 822a36c61f9SKrishna Gudipati static void 823a36c61f9SKrishna Gudipati bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric) 824a36c61f9SKrishna Gudipati { 825a36c61f9SKrishna Gudipati struct bfa_fcs_vport_s *vport; 826a36c61f9SKrishna Gudipati struct list_head *qe, *qen; 827a36c61f9SKrishna Gudipati 828a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->fabric_name); 829a36c61f9SKrishna Gudipati 830a36c61f9SKrishna Gudipati bfa_fcs_fabric_set_opertype(fabric); 831a36c61f9SKrishna Gudipati fabric->stats.fabric_onlines++; 832a36c61f9SKrishna Gudipati 8335fbe25c7SJing Huang /* 834a36c61f9SKrishna Gudipati * notify online event to base and then virtual ports 835a36c61f9SKrishna Gudipati */ 836a36c61f9SKrishna Gudipati bfa_fcs_lport_online(&fabric->bport); 837a36c61f9SKrishna Gudipati 838a36c61f9SKrishna Gudipati list_for_each_safe(qe, qen, &fabric->vport_q) { 839a36c61f9SKrishna Gudipati vport = (struct bfa_fcs_vport_s *) qe; 840a36c61f9SKrishna Gudipati bfa_fcs_vport_online(vport); 841a36c61f9SKrishna Gudipati } 842a36c61f9SKrishna Gudipati } 843a36c61f9SKrishna Gudipati 844a36c61f9SKrishna Gudipati static void 845a36c61f9SKrishna Gudipati bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric) 846a36c61f9SKrishna Gudipati { 847a36c61f9SKrishna Gudipati struct bfa_fcs_vport_s *vport; 848a36c61f9SKrishna Gudipati struct list_head *qe, *qen; 849a36c61f9SKrishna Gudipati 850a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->fabric_name); 851a36c61f9SKrishna Gudipati fabric->stats.fabric_offlines++; 852a36c61f9SKrishna Gudipati 8535fbe25c7SJing Huang /* 854a36c61f9SKrishna Gudipati * notify offline event first to vports and then base port. 855a36c61f9SKrishna Gudipati */ 856a36c61f9SKrishna Gudipati list_for_each_safe(qe, qen, &fabric->vport_q) { 857a36c61f9SKrishna Gudipati vport = (struct bfa_fcs_vport_s *) qe; 858a36c61f9SKrishna Gudipati bfa_fcs_vport_offline(vport); 859a36c61f9SKrishna Gudipati } 860a36c61f9SKrishna Gudipati 861a36c61f9SKrishna Gudipati bfa_fcs_lport_offline(&fabric->bport); 862a36c61f9SKrishna Gudipati 863a36c61f9SKrishna Gudipati fabric->fabric_name = 0; 864a36c61f9SKrishna Gudipati fabric->fabric_ip_addr[0] = 0; 865a36c61f9SKrishna Gudipati } 866a36c61f9SKrishna Gudipati 867a36c61f9SKrishna Gudipati static void 868a36c61f9SKrishna Gudipati bfa_fcs_fabric_delay(void *cbarg) 869a36c61f9SKrishna Gudipati { 870a36c61f9SKrishna Gudipati struct bfa_fcs_fabric_s *fabric = cbarg; 871a36c61f9SKrishna Gudipati 872a36c61f9SKrishna Gudipati bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELAYED); 873a36c61f9SKrishna Gudipati } 874a36c61f9SKrishna Gudipati 8755fbe25c7SJing Huang /* 876a36c61f9SKrishna Gudipati * Delete all vports and wait for vport delete completions. 877a36c61f9SKrishna Gudipati */ 878a36c61f9SKrishna Gudipati static void 879a36c61f9SKrishna Gudipati bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric) 880a36c61f9SKrishna Gudipati { 881a36c61f9SKrishna Gudipati struct bfa_fcs_vport_s *vport; 882a36c61f9SKrishna Gudipati struct list_head *qe, *qen; 883a36c61f9SKrishna Gudipati 884a36c61f9SKrishna Gudipati list_for_each_safe(qe, qen, &fabric->vport_q) { 885a36c61f9SKrishna Gudipati vport = (struct bfa_fcs_vport_s *) qe; 886a36c61f9SKrishna Gudipati bfa_fcs_vport_fcs_delete(vport); 887a36c61f9SKrishna Gudipati } 888a36c61f9SKrishna Gudipati 889a36c61f9SKrishna Gudipati bfa_fcs_lport_delete(&fabric->bport); 890a36c61f9SKrishna Gudipati bfa_wc_wait(&fabric->wc); 891a36c61f9SKrishna Gudipati } 892a36c61f9SKrishna Gudipati 893a36c61f9SKrishna Gudipati static void 894a36c61f9SKrishna Gudipati bfa_fcs_fabric_delete_comp(void *cbarg) 895a36c61f9SKrishna Gudipati { 896a36c61f9SKrishna Gudipati struct bfa_fcs_fabric_s *fabric = cbarg; 897a36c61f9SKrishna Gudipati 898a36c61f9SKrishna Gudipati bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELCOMP); 899a36c61f9SKrishna Gudipati } 900a36c61f9SKrishna Gudipati 9015fbe25c7SJing Huang /* 902a36c61f9SKrishna Gudipati * fcs_fabric_public fabric public functions 903a36c61f9SKrishna Gudipati */ 904a36c61f9SKrishna Gudipati 9055fbe25c7SJing Huang /* 906a36c61f9SKrishna Gudipati * Attach time initialization. 907a36c61f9SKrishna Gudipati */ 908a36c61f9SKrishna Gudipati void 909a36c61f9SKrishna Gudipati bfa_fcs_fabric_attach(struct bfa_fcs_s *fcs) 910a36c61f9SKrishna Gudipati { 911a36c61f9SKrishna Gudipati struct bfa_fcs_fabric_s *fabric; 912a36c61f9SKrishna Gudipati 913a36c61f9SKrishna Gudipati fabric = &fcs->fabric; 9146a18b167SJing Huang memset(fabric, 0, sizeof(struct bfa_fcs_fabric_s)); 915a36c61f9SKrishna Gudipati 9165fbe25c7SJing Huang /* 917a36c61f9SKrishna Gudipati * Initialize base fabric. 918a36c61f9SKrishna Gudipati */ 919a36c61f9SKrishna Gudipati fabric->fcs = fcs; 920a36c61f9SKrishna Gudipati INIT_LIST_HEAD(&fabric->vport_q); 921a36c61f9SKrishna Gudipati INIT_LIST_HEAD(&fabric->vf_q); 922a36c61f9SKrishna Gudipati fabric->lps = bfa_lps_alloc(fcs->bfa); 923d4b671c5SJing Huang WARN_ON(!fabric->lps); 924a36c61f9SKrishna Gudipati 9255fbe25c7SJing Huang /* 926a36c61f9SKrishna Gudipati * Initialize fabric delete completion handler. Fabric deletion is 927a36c61f9SKrishna Gudipati * complete when the last vport delete is complete. 928a36c61f9SKrishna Gudipati */ 929a36c61f9SKrishna Gudipati bfa_wc_init(&fabric->wc, bfa_fcs_fabric_delete_comp, fabric); 930a36c61f9SKrishna Gudipati bfa_wc_up(&fabric->wc); /* For the base port */ 931a36c61f9SKrishna Gudipati 932a36c61f9SKrishna Gudipati bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); 933a36c61f9SKrishna Gudipati bfa_fcs_lport_attach(&fabric->bport, fabric->fcs, FC_VF_ID_NULL, NULL); 934a36c61f9SKrishna Gudipati } 935a36c61f9SKrishna Gudipati 936a36c61f9SKrishna Gudipati void 937a36c61f9SKrishna Gudipati bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs) 938a36c61f9SKrishna Gudipati { 939a36c61f9SKrishna Gudipati bfa_sm_send_event(&fcs->fabric, BFA_FCS_FABRIC_SM_CREATE); 940a36c61f9SKrishna Gudipati bfa_trc(fcs, 0); 941a36c61f9SKrishna Gudipati } 942a36c61f9SKrishna Gudipati 9435fbe25c7SJing Huang /* 944a36c61f9SKrishna Gudipati * Module cleanup 945a36c61f9SKrishna Gudipati */ 946a36c61f9SKrishna Gudipati void 947a36c61f9SKrishna Gudipati bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs) 948a36c61f9SKrishna Gudipati { 949a36c61f9SKrishna Gudipati struct bfa_fcs_fabric_s *fabric; 950a36c61f9SKrishna Gudipati 951a36c61f9SKrishna Gudipati bfa_trc(fcs, 0); 952a36c61f9SKrishna Gudipati 9535fbe25c7SJing Huang /* 954a36c61f9SKrishna Gudipati * Cleanup base fabric. 955a36c61f9SKrishna Gudipati */ 956a36c61f9SKrishna Gudipati fabric = &fcs->fabric; 957a36c61f9SKrishna Gudipati bfa_lps_delete(fabric->lps); 958a36c61f9SKrishna Gudipati bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELETE); 959a36c61f9SKrishna Gudipati } 960a36c61f9SKrishna Gudipati 9615fbe25c7SJing Huang /* 962a36c61f9SKrishna Gudipati * Fabric module start -- kick starts FCS actions 963a36c61f9SKrishna Gudipati */ 964a36c61f9SKrishna Gudipati void 965a36c61f9SKrishna Gudipati bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs) 966a36c61f9SKrishna Gudipati { 967a36c61f9SKrishna Gudipati struct bfa_fcs_fabric_s *fabric; 968a36c61f9SKrishna Gudipati 969a36c61f9SKrishna Gudipati bfa_trc(fcs, 0); 970a36c61f9SKrishna Gudipati fabric = &fcs->fabric; 971a36c61f9SKrishna Gudipati bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_START); 972a36c61f9SKrishna Gudipati } 973a36c61f9SKrishna Gudipati 974a36c61f9SKrishna Gudipati 9755fbe25c7SJing Huang /* 976a36c61f9SKrishna Gudipati * Link up notification from BFA physical port module. 977a36c61f9SKrishna Gudipati */ 978a36c61f9SKrishna Gudipati void 979a36c61f9SKrishna Gudipati bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric) 980a36c61f9SKrishna Gudipati { 981a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 982a36c61f9SKrishna Gudipati bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_UP); 983a36c61f9SKrishna Gudipati } 984a36c61f9SKrishna Gudipati 9855fbe25c7SJing Huang /* 986a36c61f9SKrishna Gudipati * Link down notification from BFA physical port module. 987a36c61f9SKrishna Gudipati */ 988a36c61f9SKrishna Gudipati void 989a36c61f9SKrishna Gudipati bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric) 990a36c61f9SKrishna Gudipati { 991a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); 992a36c61f9SKrishna Gudipati bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_DOWN); 993a36c61f9SKrishna Gudipati } 994a36c61f9SKrishna Gudipati 9955fbe25c7SJing Huang /* 996a36c61f9SKrishna Gudipati * A child vport is being created in the fabric. 997a36c61f9SKrishna Gudipati * 998a36c61f9SKrishna Gudipati * Call from vport module at vport creation. A list of base port and vports 999a36c61f9SKrishna Gudipati * belonging to a fabric is maintained to propagate link events. 1000a36c61f9SKrishna Gudipati * 1001a36c61f9SKrishna Gudipati * param[in] fabric - Fabric instance. This can be a base fabric or vf. 1002a36c61f9SKrishna Gudipati * param[in] vport - Vport being created. 1003a36c61f9SKrishna Gudipati * 1004a36c61f9SKrishna Gudipati * @return None (always succeeds) 1005a36c61f9SKrishna Gudipati */ 1006a36c61f9SKrishna Gudipati void 1007a36c61f9SKrishna Gudipati bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric, 1008a36c61f9SKrishna Gudipati struct bfa_fcs_vport_s *vport) 1009a36c61f9SKrishna Gudipati { 10105fbe25c7SJing Huang /* 1011a36c61f9SKrishna Gudipati * - add vport to fabric's vport_q 1012a36c61f9SKrishna Gudipati */ 1013a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric->vf_id); 1014a36c61f9SKrishna Gudipati 1015a36c61f9SKrishna Gudipati list_add_tail(&vport->qe, &fabric->vport_q); 1016a36c61f9SKrishna Gudipati fabric->num_vports++; 1017a36c61f9SKrishna Gudipati bfa_wc_up(&fabric->wc); 1018a36c61f9SKrishna Gudipati } 1019a36c61f9SKrishna Gudipati 10205fbe25c7SJing Huang /* 1021a36c61f9SKrishna Gudipati * A child vport is being deleted from fabric. 1022a36c61f9SKrishna Gudipati * 1023a36c61f9SKrishna Gudipati * Vport is being deleted. 1024a36c61f9SKrishna Gudipati */ 1025a36c61f9SKrishna Gudipati void 1026a36c61f9SKrishna Gudipati bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric, 1027a36c61f9SKrishna Gudipati struct bfa_fcs_vport_s *vport) 1028a36c61f9SKrishna Gudipati { 1029a36c61f9SKrishna Gudipati list_del(&vport->qe); 1030a36c61f9SKrishna Gudipati fabric->num_vports--; 1031a36c61f9SKrishna Gudipati bfa_wc_down(&fabric->wc); 1032a36c61f9SKrishna Gudipati } 1033a36c61f9SKrishna Gudipati 1034a36c61f9SKrishna Gudipati 10355fbe25c7SJing Huang /* 103625985edcSLucas De Marchi * Lookup for a vport within a fabric given its pwwn 1037a36c61f9SKrishna Gudipati */ 1038a36c61f9SKrishna Gudipati struct bfa_fcs_vport_s * 1039a36c61f9SKrishna Gudipati bfa_fcs_fabric_vport_lookup(struct bfa_fcs_fabric_s *fabric, wwn_t pwwn) 1040a36c61f9SKrishna Gudipati { 1041a36c61f9SKrishna Gudipati struct bfa_fcs_vport_s *vport; 1042a36c61f9SKrishna Gudipati struct list_head *qe; 1043a36c61f9SKrishna Gudipati 1044a36c61f9SKrishna Gudipati list_for_each(qe, &fabric->vport_q) { 1045a36c61f9SKrishna Gudipati vport = (struct bfa_fcs_vport_s *) qe; 1046a36c61f9SKrishna Gudipati if (bfa_fcs_lport_get_pwwn(&vport->lport) == pwwn) 1047a36c61f9SKrishna Gudipati return vport; 1048a36c61f9SKrishna Gudipati } 1049a36c61f9SKrishna Gudipati 1050a36c61f9SKrishna Gudipati return NULL; 1051a36c61f9SKrishna Gudipati } 1052a36c61f9SKrishna Gudipati 1053a36c61f9SKrishna Gudipati 1054a36c61f9SKrishna Gudipati /* 1055a36c61f9SKrishna Gudipati * Get OUI of the attached switch. 1056a36c61f9SKrishna Gudipati * 1057a36c61f9SKrishna Gudipati * Note : Use of this function should be avoided as much as possible. 1058a36c61f9SKrishna Gudipati * This function should be used only if there is any requirement 1059a36c61f9SKrishna Gudipati * to check for FOS version below 6.3. 1060a36c61f9SKrishna Gudipati * To check if the attached fabric is a brocade fabric, use 1061a36c61f9SKrishna Gudipati * bfa_lps_is_brcd_fabric() which works for FOS versions 6.3 1062a36c61f9SKrishna Gudipati * or above only. 1063a36c61f9SKrishna Gudipati */ 1064a36c61f9SKrishna Gudipati 1065a36c61f9SKrishna Gudipati u16 1066a36c61f9SKrishna Gudipati bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric) 1067a36c61f9SKrishna Gudipati { 1068a36c61f9SKrishna Gudipati wwn_t fab_nwwn; 1069a36c61f9SKrishna Gudipati u8 *tmp; 1070a36c61f9SKrishna Gudipati u16 oui; 1071a36c61f9SKrishna Gudipati 1072f7f73812SMaggie Zhang fab_nwwn = fabric->lps->pr_nwwn; 1073a36c61f9SKrishna Gudipati 1074a36c61f9SKrishna Gudipati tmp = (u8 *)&fab_nwwn; 1075a36c61f9SKrishna Gudipati oui = (tmp[3] << 8) | tmp[4]; 1076a36c61f9SKrishna Gudipati 1077a36c61f9SKrishna Gudipati return oui; 1078a36c61f9SKrishna Gudipati } 10795fbe25c7SJing Huang /* 1080a36c61f9SKrishna Gudipati * Unsolicited frame receive handling. 1081a36c61f9SKrishna Gudipati */ 1082a36c61f9SKrishna Gudipati void 1083a36c61f9SKrishna Gudipati bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, 1084a36c61f9SKrishna Gudipati u16 len) 1085a36c61f9SKrishna Gudipati { 1086a36c61f9SKrishna Gudipati u32 pid = fchs->d_id; 1087a36c61f9SKrishna Gudipati struct bfa_fcs_vport_s *vport; 1088a36c61f9SKrishna Gudipati struct list_head *qe; 1089a36c61f9SKrishna Gudipati struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); 1090a36c61f9SKrishna Gudipati struct fc_logi_s *flogi = (struct fc_logi_s *) els_cmd; 1091a36c61f9SKrishna Gudipati 1092a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, len); 1093a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, pid); 1094a36c61f9SKrishna Gudipati 10955fbe25c7SJing Huang /* 1096a36c61f9SKrishna Gudipati * Look for our own FLOGI frames being looped back. This means an 1097a36c61f9SKrishna Gudipati * external loopback cable is in place. Our own FLOGI frames are 1098a36c61f9SKrishna Gudipati * sometimes looped back when switch port gets temporarily bypassed. 1099a36c61f9SKrishna Gudipati */ 1100f16a1750SMaggie Zhang if ((pid == bfa_ntoh3b(FC_FABRIC_PORT)) && 1101a36c61f9SKrishna Gudipati (els_cmd->els_code == FC_ELS_FLOGI) && 1102a36c61f9SKrishna Gudipati (flogi->port_name == bfa_fcs_lport_get_pwwn(&fabric->bport))) { 1103a36c61f9SKrishna Gudipati bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LOOPBACK); 1104a36c61f9SKrishna Gudipati return; 1105a36c61f9SKrishna Gudipati } 1106a36c61f9SKrishna Gudipati 11075fbe25c7SJing Huang /* 1108a36c61f9SKrishna Gudipati * FLOGI/EVFP exchanges should be consumed by base fabric. 1109a36c61f9SKrishna Gudipati */ 1110f16a1750SMaggie Zhang if (fchs->d_id == bfa_hton3b(FC_FABRIC_PORT)) { 1111a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, pid); 1112a36c61f9SKrishna Gudipati bfa_fcs_fabric_process_uf(fabric, fchs, len); 1113a36c61f9SKrishna Gudipati return; 1114a36c61f9SKrishna Gudipati } 1115a36c61f9SKrishna Gudipati 1116a36c61f9SKrishna Gudipati if (fabric->bport.pid == pid) { 11175fbe25c7SJing Huang /* 1118a36c61f9SKrishna Gudipati * All authentication frames should be routed to auth 1119a36c61f9SKrishna Gudipati */ 1120a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, els_cmd->els_code); 1121a36c61f9SKrishna Gudipati if (els_cmd->els_code == FC_ELS_AUTH) { 1122a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, els_cmd->els_code); 1123a36c61f9SKrishna Gudipati return; 1124a36c61f9SKrishna Gudipati } 1125a36c61f9SKrishna Gudipati 1126a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, *(u8 *) ((u8 *) fchs)); 1127a36c61f9SKrishna Gudipati bfa_fcs_lport_uf_recv(&fabric->bport, fchs, len); 1128a36c61f9SKrishna Gudipati return; 1129a36c61f9SKrishna Gudipati } 1130a36c61f9SKrishna Gudipati 11315fbe25c7SJing Huang /* 1132a36c61f9SKrishna Gudipati * look for a matching local port ID 1133a36c61f9SKrishna Gudipati */ 1134a36c61f9SKrishna Gudipati list_for_each(qe, &fabric->vport_q) { 1135a36c61f9SKrishna Gudipati vport = (struct bfa_fcs_vport_s *) qe; 1136a36c61f9SKrishna Gudipati if (vport->lport.pid == pid) { 1137a36c61f9SKrishna Gudipati bfa_fcs_lport_uf_recv(&vport->lport, fchs, len); 1138a36c61f9SKrishna Gudipati return; 1139a36c61f9SKrishna Gudipati } 1140a36c61f9SKrishna Gudipati } 1141a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, els_cmd->els_code); 1142a36c61f9SKrishna Gudipati bfa_fcs_lport_uf_recv(&fabric->bport, fchs, len); 1143a36c61f9SKrishna Gudipati } 1144a36c61f9SKrishna Gudipati 11455fbe25c7SJing Huang /* 1146a36c61f9SKrishna Gudipati * Unsolicited frames to be processed by fabric. 1147a36c61f9SKrishna Gudipati */ 1148a36c61f9SKrishna Gudipati static void 1149a36c61f9SKrishna Gudipati bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, 1150a36c61f9SKrishna Gudipati u16 len) 1151a36c61f9SKrishna Gudipati { 1152a36c61f9SKrishna Gudipati struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); 1153a36c61f9SKrishna Gudipati 1154a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, els_cmd->els_code); 1155a36c61f9SKrishna Gudipati 1156a36c61f9SKrishna Gudipati switch (els_cmd->els_code) { 1157a36c61f9SKrishna Gudipati case FC_ELS_FLOGI: 1158a36c61f9SKrishna Gudipati bfa_fcs_fabric_process_flogi(fabric, fchs, len); 1159a36c61f9SKrishna Gudipati break; 1160a36c61f9SKrishna Gudipati 1161a36c61f9SKrishna Gudipati default: 1162a36c61f9SKrishna Gudipati /* 1163a36c61f9SKrishna Gudipati * need to generate a LS_RJT 1164a36c61f9SKrishna Gudipati */ 1165a36c61f9SKrishna Gudipati break; 1166a36c61f9SKrishna Gudipati } 1167a36c61f9SKrishna Gudipati } 1168a36c61f9SKrishna Gudipati 11695fbe25c7SJing Huang /* 1170a36c61f9SKrishna Gudipati * Process incoming FLOGI 1171a36c61f9SKrishna Gudipati */ 1172a36c61f9SKrishna Gudipati static void 1173a36c61f9SKrishna Gudipati bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric, 1174a36c61f9SKrishna Gudipati struct fchs_s *fchs, u16 len) 1175a36c61f9SKrishna Gudipati { 1176a36c61f9SKrishna Gudipati struct fc_logi_s *flogi = (struct fc_logi_s *) (fchs + 1); 1177a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *bport = &fabric->bport; 1178a36c61f9SKrishna Gudipati 1179a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fchs->s_id); 1180a36c61f9SKrishna Gudipati 1181a36c61f9SKrishna Gudipati fabric->stats.flogi_rcvd++; 1182a36c61f9SKrishna Gudipati /* 1183a36c61f9SKrishna Gudipati * Check port type. It should be 0 = n-port. 1184a36c61f9SKrishna Gudipati */ 1185a36c61f9SKrishna Gudipati if (flogi->csp.port_type) { 1186a36c61f9SKrishna Gudipati /* 1187a36c61f9SKrishna Gudipati * @todo: may need to send a LS_RJT 1188a36c61f9SKrishna Gudipati */ 1189a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, flogi->port_name); 1190a36c61f9SKrishna Gudipati fabric->stats.flogi_rejected++; 1191a36c61f9SKrishna Gudipati return; 1192a36c61f9SKrishna Gudipati } 1193a36c61f9SKrishna Gudipati 1194ba816ea8SJing Huang fabric->bb_credit = be16_to_cpu(flogi->csp.bbcred); 1195a36c61f9SKrishna Gudipati bport->port_topo.pn2n.rem_port_wwn = flogi->port_name; 1196a36c61f9SKrishna Gudipati bport->port_topo.pn2n.reply_oxid = fchs->ox_id; 1197a36c61f9SKrishna Gudipati 1198a36c61f9SKrishna Gudipati /* 1199a36c61f9SKrishna Gudipati * Send a Flogi Acc 1200a36c61f9SKrishna Gudipati */ 1201a36c61f9SKrishna Gudipati bfa_fcs_fabric_send_flogi_acc(fabric); 1202a36c61f9SKrishna Gudipati bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC); 1203a36c61f9SKrishna Gudipati } 1204a36c61f9SKrishna Gudipati 1205a36c61f9SKrishna Gudipati static void 1206a36c61f9SKrishna Gudipati bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric) 1207a36c61f9SKrishna Gudipati { 1208a36c61f9SKrishna Gudipati struct bfa_lport_cfg_s *pcfg = &fabric->bport.port_cfg; 1209a36c61f9SKrishna Gudipati struct bfa_fcs_lport_n2n_s *n2n_port = &fabric->bport.port_topo.pn2n; 1210a36c61f9SKrishna Gudipati struct bfa_s *bfa = fabric->fcs->bfa; 1211a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1212a36c61f9SKrishna Gudipati u16 reqlen; 1213a36c61f9SKrishna Gudipati struct fchs_s fchs; 1214a36c61f9SKrishna Gudipati 1215a36c61f9SKrishna Gudipati fcxp = bfa_fcs_fcxp_alloc(fabric->fcs); 12165fbe25c7SJing Huang /* 1217a36c61f9SKrishna Gudipati * Do not expect this failure -- expect remote node to retry 1218a36c61f9SKrishna Gudipati */ 1219a36c61f9SKrishna Gudipati if (!fcxp) 1220a36c61f9SKrishna Gudipati return; 1221a36c61f9SKrishna Gudipati 1222a36c61f9SKrishna Gudipati reqlen = fc_flogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1223f16a1750SMaggie Zhang bfa_hton3b(FC_FABRIC_PORT), 1224a36c61f9SKrishna Gudipati n2n_port->reply_oxid, pcfg->pwwn, 1225a36c61f9SKrishna Gudipati pcfg->nwwn, 1226a36c61f9SKrishna Gudipati bfa_fcport_get_maxfrsize(bfa), 1227a36c61f9SKrishna Gudipati bfa_fcport_get_rx_bbcredit(bfa)); 1228a36c61f9SKrishna Gudipati 1229f7f73812SMaggie Zhang bfa_fcxp_send(fcxp, NULL, fabric->vf_id, fabric->lps->lp_tag, 1230a36c61f9SKrishna Gudipati BFA_FALSE, FC_CLASS_3, 1231a36c61f9SKrishna Gudipati reqlen, &fchs, bfa_fcs_fabric_flogiacc_comp, fabric, 1232a36c61f9SKrishna Gudipati FC_MAX_PDUSZ, 0); 1233a36c61f9SKrishna Gudipati } 1234a36c61f9SKrishna Gudipati 12355fbe25c7SJing Huang /* 1236a36c61f9SKrishna Gudipati * Flogi Acc completion callback. 1237a36c61f9SKrishna Gudipati */ 1238a36c61f9SKrishna Gudipati static void 1239a36c61f9SKrishna Gudipati bfa_fcs_fabric_flogiacc_comp(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, 1240a36c61f9SKrishna Gudipati bfa_status_t status, u32 rsp_len, 1241a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rspfchs) 1242a36c61f9SKrishna Gudipati { 1243a36c61f9SKrishna Gudipati struct bfa_fcs_fabric_s *fabric = cbarg; 1244a36c61f9SKrishna Gudipati 1245a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, status); 1246a36c61f9SKrishna Gudipati } 1247a36c61f9SKrishna Gudipati 1248a36c61f9SKrishna Gudipati /* 1249a36c61f9SKrishna Gudipati * 1250a36c61f9SKrishna Gudipati * @param[in] fabric - fabric 1251a36c61f9SKrishna Gudipati * @param[in] wwn_t - new fabric name 1252a36c61f9SKrishna Gudipati * 1253a36c61f9SKrishna Gudipati * @return - none 1254a36c61f9SKrishna Gudipati */ 1255a36c61f9SKrishna Gudipati void 1256a36c61f9SKrishna Gudipati bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, 1257a36c61f9SKrishna Gudipati wwn_t fabric_name) 1258a36c61f9SKrishna Gudipati { 1259a36c61f9SKrishna Gudipati struct bfad_s *bfad = (struct bfad_s *)fabric->fcs->bfad; 1260a36c61f9SKrishna Gudipati char pwwn_ptr[BFA_STRING_32]; 1261a36c61f9SKrishna Gudipati char fwwn_ptr[BFA_STRING_32]; 1262a36c61f9SKrishna Gudipati 1263a36c61f9SKrishna Gudipati bfa_trc(fabric->fcs, fabric_name); 1264a36c61f9SKrishna Gudipati 1265a36c61f9SKrishna Gudipati if (fabric->fabric_name == 0) { 1266a36c61f9SKrishna Gudipati /* 1267a36c61f9SKrishna Gudipati * With BRCD switches, we don't get Fabric Name in FLOGI. 1268a36c61f9SKrishna Gudipati * Don't generate a fabric name change event in this case. 1269a36c61f9SKrishna Gudipati */ 1270a36c61f9SKrishna Gudipati fabric->fabric_name = fabric_name; 1271a36c61f9SKrishna Gudipati } else { 1272a36c61f9SKrishna Gudipati fabric->fabric_name = fabric_name; 1273a36c61f9SKrishna Gudipati wwn2str(pwwn_ptr, bfa_fcs_lport_get_pwwn(&fabric->bport)); 1274a36c61f9SKrishna Gudipati wwn2str(fwwn_ptr, 1275a36c61f9SKrishna Gudipati bfa_fcs_lport_get_fabric_name(&fabric->bport)); 127688166242SJing Huang BFA_LOG(KERN_WARNING, bfad, bfa_log_level, 1277a36c61f9SKrishna Gudipati "Base port WWN = %s Fabric WWN = %s\n", 1278a36c61f9SKrishna Gudipati pwwn_ptr, fwwn_ptr); 1279a36c61f9SKrishna Gudipati } 1280a36c61f9SKrishna Gudipati } 1281a36c61f9SKrishna Gudipati 12825fbe25c7SJing Huang /* 1283a36c61f9SKrishna Gudipati * Returns FCS vf structure for a given vf_id. 1284a36c61f9SKrishna Gudipati * 1285a36c61f9SKrishna Gudipati * param[in] vf_id - VF_ID 1286a36c61f9SKrishna Gudipati * 1287a36c61f9SKrishna Gudipati * return 1288a36c61f9SKrishna Gudipati * If lookup succeeds, retuns fcs vf object, otherwise returns NULL 1289a36c61f9SKrishna Gudipati */ 1290a36c61f9SKrishna Gudipati bfa_fcs_vf_t * 1291a36c61f9SKrishna Gudipati bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id) 1292a36c61f9SKrishna Gudipati { 1293a36c61f9SKrishna Gudipati bfa_trc(fcs, vf_id); 1294a36c61f9SKrishna Gudipati if (vf_id == FC_VF_ID_NULL) 1295a36c61f9SKrishna Gudipati return &fcs->fabric; 1296a36c61f9SKrishna Gudipati 1297a36c61f9SKrishna Gudipati return NULL; 1298a36c61f9SKrishna Gudipati } 1299a36c61f9SKrishna Gudipati 13005fbe25c7SJing Huang /* 1301a36c61f9SKrishna Gudipati * BFA FCS PPORT ( physical port) 1302a36c61f9SKrishna Gudipati */ 1303a36c61f9SKrishna Gudipati static void 1304a36c61f9SKrishna Gudipati bfa_fcs_port_event_handler(void *cbarg, enum bfa_port_linkstate event) 1305a36c61f9SKrishna Gudipati { 1306a36c61f9SKrishna Gudipati struct bfa_fcs_s *fcs = cbarg; 1307a36c61f9SKrishna Gudipati 1308a36c61f9SKrishna Gudipati bfa_trc(fcs, event); 1309a36c61f9SKrishna Gudipati 1310a36c61f9SKrishna Gudipati switch (event) { 1311a36c61f9SKrishna Gudipati case BFA_PORT_LINKUP: 1312a36c61f9SKrishna Gudipati bfa_fcs_fabric_link_up(&fcs->fabric); 1313a36c61f9SKrishna Gudipati break; 1314a36c61f9SKrishna Gudipati 1315a36c61f9SKrishna Gudipati case BFA_PORT_LINKDOWN: 1316a36c61f9SKrishna Gudipati bfa_fcs_fabric_link_down(&fcs->fabric); 1317a36c61f9SKrishna Gudipati break; 1318a36c61f9SKrishna Gudipati 1319a36c61f9SKrishna Gudipati default: 1320d4b671c5SJing Huang WARN_ON(1); 1321a36c61f9SKrishna Gudipati } 1322a36c61f9SKrishna Gudipati } 1323a36c61f9SKrishna Gudipati 1324a36c61f9SKrishna Gudipati void 1325a36c61f9SKrishna Gudipati bfa_fcs_port_attach(struct bfa_fcs_s *fcs) 1326a36c61f9SKrishna Gudipati { 1327a36c61f9SKrishna Gudipati bfa_fcport_event_register(fcs->bfa, bfa_fcs_port_event_handler, fcs); 1328a36c61f9SKrishna Gudipati } 1329a36c61f9SKrishna Gudipati 13305fbe25c7SJing Huang /* 1331a36c61f9SKrishna Gudipati * BFA FCS UF ( Unsolicited Frames) 1332a36c61f9SKrishna Gudipati */ 1333a36c61f9SKrishna Gudipati 13345fbe25c7SJing Huang /* 1335a36c61f9SKrishna Gudipati * BFA callback for unsolicited frame receive handler. 1336a36c61f9SKrishna Gudipati * 1337a36c61f9SKrishna Gudipati * @param[in] cbarg callback arg for receive handler 1338a36c61f9SKrishna Gudipati * @param[in] uf unsolicited frame descriptor 1339a36c61f9SKrishna Gudipati * 1340a36c61f9SKrishna Gudipati * @return None 1341a36c61f9SKrishna Gudipati */ 1342a36c61f9SKrishna Gudipati static void 1343a36c61f9SKrishna Gudipati bfa_fcs_uf_recv(void *cbarg, struct bfa_uf_s *uf) 1344a36c61f9SKrishna Gudipati { 1345a36c61f9SKrishna Gudipati struct bfa_fcs_s *fcs = (struct bfa_fcs_s *) cbarg; 1346a36c61f9SKrishna Gudipati struct fchs_s *fchs = bfa_uf_get_frmbuf(uf); 1347a36c61f9SKrishna Gudipati u16 len = bfa_uf_get_frmlen(uf); 1348a36c61f9SKrishna Gudipati struct fc_vft_s *vft; 1349a36c61f9SKrishna Gudipati struct bfa_fcs_fabric_s *fabric; 1350a36c61f9SKrishna Gudipati 13515fbe25c7SJing Huang /* 1352a36c61f9SKrishna Gudipati * check for VFT header 1353a36c61f9SKrishna Gudipati */ 1354a36c61f9SKrishna Gudipati if (fchs->routing == FC_RTG_EXT_HDR && 1355a36c61f9SKrishna Gudipati fchs->cat_info == FC_CAT_VFT_HDR) { 1356a36c61f9SKrishna Gudipati bfa_stats(fcs, uf.tagged); 1357a36c61f9SKrishna Gudipati vft = bfa_uf_get_frmbuf(uf); 1358a36c61f9SKrishna Gudipati if (fcs->port_vfid == vft->vf_id) 1359a36c61f9SKrishna Gudipati fabric = &fcs->fabric; 1360a36c61f9SKrishna Gudipati else 1361a36c61f9SKrishna Gudipati fabric = bfa_fcs_vf_lookup(fcs, (u16) vft->vf_id); 1362a36c61f9SKrishna Gudipati 13635fbe25c7SJing Huang /* 1364a36c61f9SKrishna Gudipati * drop frame if vfid is unknown 1365a36c61f9SKrishna Gudipati */ 1366a36c61f9SKrishna Gudipati if (!fabric) { 1367d4b671c5SJing Huang WARN_ON(1); 1368a36c61f9SKrishna Gudipati bfa_stats(fcs, uf.vfid_unknown); 1369a36c61f9SKrishna Gudipati bfa_uf_free(uf); 1370a36c61f9SKrishna Gudipati return; 1371a36c61f9SKrishna Gudipati } 1372a36c61f9SKrishna Gudipati 13735fbe25c7SJing Huang /* 1374a36c61f9SKrishna Gudipati * skip vft header 1375a36c61f9SKrishna Gudipati */ 1376a36c61f9SKrishna Gudipati fchs = (struct fchs_s *) (vft + 1); 1377a36c61f9SKrishna Gudipati len -= sizeof(struct fc_vft_s); 1378a36c61f9SKrishna Gudipati 1379a36c61f9SKrishna Gudipati bfa_trc(fcs, vft->vf_id); 1380a36c61f9SKrishna Gudipati } else { 1381a36c61f9SKrishna Gudipati bfa_stats(fcs, uf.untagged); 1382a36c61f9SKrishna Gudipati fabric = &fcs->fabric; 1383a36c61f9SKrishna Gudipati } 1384a36c61f9SKrishna Gudipati 1385a36c61f9SKrishna Gudipati bfa_trc(fcs, ((u32 *) fchs)[0]); 1386a36c61f9SKrishna Gudipati bfa_trc(fcs, ((u32 *) fchs)[1]); 1387a36c61f9SKrishna Gudipati bfa_trc(fcs, ((u32 *) fchs)[2]); 1388a36c61f9SKrishna Gudipati bfa_trc(fcs, ((u32 *) fchs)[3]); 1389a36c61f9SKrishna Gudipati bfa_trc(fcs, ((u32 *) fchs)[4]); 1390a36c61f9SKrishna Gudipati bfa_trc(fcs, ((u32 *) fchs)[5]); 1391a36c61f9SKrishna Gudipati bfa_trc(fcs, len); 1392a36c61f9SKrishna Gudipati 1393a36c61f9SKrishna Gudipati bfa_fcs_fabric_uf_recv(fabric, fchs, len); 1394a36c61f9SKrishna Gudipati bfa_uf_free(uf); 1395a36c61f9SKrishna Gudipati } 1396a36c61f9SKrishna Gudipati 1397a36c61f9SKrishna Gudipati void 1398a36c61f9SKrishna Gudipati bfa_fcs_uf_attach(struct bfa_fcs_s *fcs) 1399a36c61f9SKrishna Gudipati { 1400a36c61f9SKrishna Gudipati bfa_uf_recv_register(fcs->bfa, bfa_fcs_uf_recv, fcs); 1401a36c61f9SKrishna Gudipati } 1402