1a36c61f9SKrishna Gudipati /* 2a36c61f9SKrishna Gudipati * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. 3a36c61f9SKrishna Gudipati * All rights reserved 4a36c61f9SKrishna Gudipati * www.brocade.com 5a36c61f9SKrishna Gudipati * 6a36c61f9SKrishna Gudipati * Linux driver for Brocade Fibre Channel Host Bus Adapter. 7a36c61f9SKrishna Gudipati * 8a36c61f9SKrishna Gudipati * This program is free software; you can redistribute it and/or modify it 9a36c61f9SKrishna Gudipati * under the terms of the GNU General Public License (GPL) Version 2 as 10a36c61f9SKrishna Gudipati * published by the Free Software Foundation 11a36c61f9SKrishna Gudipati * 12a36c61f9SKrishna Gudipati * This program is distributed in the hope that it will be useful, but 13a36c61f9SKrishna Gudipati * WITHOUT ANY WARRANTY; without even the implied warranty of 14a36c61f9SKrishna Gudipati * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15a36c61f9SKrishna Gudipati * General Public License for more details. 16a36c61f9SKrishna Gudipati */ 17a36c61f9SKrishna Gudipati 185fbe25c7SJing Huang /* 19a36c61f9SKrishna Gudipati * rport.c Remote port implementation. 20a36c61f9SKrishna Gudipati */ 21a36c61f9SKrishna Gudipati 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, RPORT); 27a36c61f9SKrishna Gudipati 28a36c61f9SKrishna Gudipati static u32 29a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000; 30a36c61f9SKrishna Gudipati /* In millisecs */ 31a36c61f9SKrishna Gudipati /* 32a36c61f9SKrishna Gudipati * forward declarations 33a36c61f9SKrishna Gudipati */ 34a36c61f9SKrishna Gudipati static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc( 35a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid); 36a36c61f9SKrishna Gudipati static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport); 37a36c61f9SKrishna Gudipati static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport); 38a36c61f9SKrishna Gudipati static void bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport); 39a36c61f9SKrishna Gudipati static void bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport); 40a36c61f9SKrishna Gudipati static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, 41a36c61f9SKrishna Gudipati struct fc_logi_s *plogi); 42a36c61f9SKrishna Gudipati static void bfa_fcs_rport_timeout(void *arg); 43a36c61f9SKrishna Gudipati static void bfa_fcs_rport_send_plogi(void *rport_cbarg, 44a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp_alloced); 45a36c61f9SKrishna Gudipati static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg, 46a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp_alloced); 47a36c61f9SKrishna Gudipati static void bfa_fcs_rport_plogi_response(void *fcsarg, 48a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp, void *cbarg, 49a36c61f9SKrishna Gudipati bfa_status_t req_status, u32 rsp_len, 50a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rsp_fchs); 51a36c61f9SKrishna Gudipati static void bfa_fcs_rport_send_adisc(void *rport_cbarg, 52a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp_alloced); 53a36c61f9SKrishna Gudipati static void bfa_fcs_rport_adisc_response(void *fcsarg, 54a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp, void *cbarg, 55a36c61f9SKrishna Gudipati bfa_status_t req_status, u32 rsp_len, 56a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rsp_fchs); 57a36c61f9SKrishna Gudipati static void bfa_fcs_rport_send_nsdisc(void *rport_cbarg, 58a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp_alloced); 59a36c61f9SKrishna Gudipati static void bfa_fcs_rport_gidpn_response(void *fcsarg, 60a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp, void *cbarg, 61a36c61f9SKrishna Gudipati bfa_status_t req_status, u32 rsp_len, 62a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rsp_fchs); 63a36c61f9SKrishna Gudipati static void bfa_fcs_rport_gpnid_response(void *fcsarg, 64a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp, void *cbarg, 65a36c61f9SKrishna Gudipati bfa_status_t req_status, u32 rsp_len, 66a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rsp_fchs); 67a36c61f9SKrishna Gudipati static void bfa_fcs_rport_send_logo(void *rport_cbarg, 68a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp_alloced); 69a36c61f9SKrishna Gudipati static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg); 70a36c61f9SKrishna Gudipati static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, 71a36c61f9SKrishna Gudipati struct fchs_s *rx_fchs, u16 len); 72a36c61f9SKrishna Gudipati static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, 73a36c61f9SKrishna Gudipati struct fchs_s *rx_fchs, u8 reason_code, 74a36c61f9SKrishna Gudipati u8 reason_code_expl); 75a36c61f9SKrishna Gudipati static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, 76a36c61f9SKrishna Gudipati struct fchs_s *rx_fchs, u16 len); 77a36c61f9SKrishna Gudipati static void bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport); 78a36c61f9SKrishna Gudipati 79a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, 80a36c61f9SKrishna Gudipati enum rport_event event); 81a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, 82a36c61f9SKrishna Gudipati enum rport_event event); 83a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, 84a36c61f9SKrishna Gudipati enum rport_event event); 85a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, 86a36c61f9SKrishna Gudipati enum rport_event event); 87a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, 88a36c61f9SKrishna Gudipati enum rport_event event); 89a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, 90a36c61f9SKrishna Gudipati enum rport_event event); 91a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, 92a36c61f9SKrishna Gudipati enum rport_event event); 93a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, 94a36c61f9SKrishna Gudipati enum rport_event event); 95a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, 96a36c61f9SKrishna Gudipati enum rport_event event); 97a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, 98a36c61f9SKrishna Gudipati enum rport_event event); 99a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, 100a36c61f9SKrishna Gudipati enum rport_event event); 101a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, 102a36c61f9SKrishna Gudipati enum rport_event event); 103a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, 104a36c61f9SKrishna Gudipati enum rport_event event); 105a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, 106a36c61f9SKrishna Gudipati enum rport_event event); 107a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, 108a36c61f9SKrishna Gudipati enum rport_event event); 109a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, 110a36c61f9SKrishna Gudipati enum rport_event event); 111a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, 112a36c61f9SKrishna Gudipati enum rport_event event); 113a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, 114a36c61f9SKrishna Gudipati enum rport_event event); 115a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, 116a36c61f9SKrishna Gudipati enum rport_event event); 117a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, 118a36c61f9SKrishna Gudipati enum rport_event event); 119a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, 120a36c61f9SKrishna Gudipati enum rport_event event); 121a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, 122a36c61f9SKrishna Gudipati enum rport_event event); 123a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, 124a36c61f9SKrishna Gudipati enum rport_event event); 125a36c61f9SKrishna Gudipati 126a36c61f9SKrishna Gudipati static struct bfa_sm_table_s rport_sm_table[] = { 127a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, 128a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, 129a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, 130a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY}, 131a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI}, 132a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE}, 133a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE}, 134a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY}, 135a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY}, 136a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_adisc_sending), BFA_RPORT_ADISC}, 137a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_adisc), BFA_RPORT_ADISC}, 138a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV}, 139a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO}, 140a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE}, 141a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE}, 142a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV}, 143a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO}, 144a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO}, 145a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE}, 146a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC}, 147a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC}, 148a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC}, 149a36c61f9SKrishna Gudipati }; 150a36c61f9SKrishna Gudipati 1515fbe25c7SJing Huang /* 152a36c61f9SKrishna Gudipati * Beginning state. 153a36c61f9SKrishna Gudipati */ 154a36c61f9SKrishna Gudipati static void 155a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event) 156a36c61f9SKrishna Gudipati { 157a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 158a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 159a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 160a36c61f9SKrishna Gudipati 161a36c61f9SKrishna Gudipati switch (event) { 162a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_SEND: 163a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); 164a36c61f9SKrishna Gudipati rport->plogi_retries = 0; 165a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogi(rport, NULL); 166a36c61f9SKrishna Gudipati break; 167a36c61f9SKrishna Gudipati 168a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 169a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); 170a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(rport, NULL); 171a36c61f9SKrishna Gudipati break; 172a36c61f9SKrishna Gudipati 173a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 174a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); 175a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(rport); 176a36c61f9SKrishna Gudipati break; 177a36c61f9SKrishna Gudipati 178a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 179a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_DISC: 180a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); 181a36c61f9SKrishna Gudipati rport->ns_retries = 0; 182a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 183a36c61f9SKrishna Gudipati break; 184a36c61f9SKrishna Gudipati default: 185a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 186a36c61f9SKrishna Gudipati } 187a36c61f9SKrishna Gudipati } 188a36c61f9SKrishna Gudipati 1895fbe25c7SJing Huang /* 190a36c61f9SKrishna Gudipati * PLOGI is being sent. 191a36c61f9SKrishna Gudipati */ 192a36c61f9SKrishna Gudipati static void 193a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, 194a36c61f9SKrishna Gudipati enum rport_event event) 195a36c61f9SKrishna Gudipati { 196a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 197a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 198a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 199a36c61f9SKrishna Gudipati 200a36c61f9SKrishna Gudipati switch (event) { 201a36c61f9SKrishna Gudipati case RPSM_EVENT_FCXP_SENT: 202a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi); 203a36c61f9SKrishna Gudipati break; 204a36c61f9SKrishna Gudipati 205a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 206a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 207a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 208a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 209a36c61f9SKrishna Gudipati break; 210a36c61f9SKrishna Gudipati 211a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 212a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); 213a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 214a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(rport, NULL); 215a36c61f9SKrishna Gudipati break; 216a36c61f9SKrishna Gudipati 217a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 218a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 219a36c61f9SKrishna Gudipati /* query the NS */ 220a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 221a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); 222a36c61f9SKrishna Gudipati rport->ns_retries = 0; 223a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 224a36c61f9SKrishna Gudipati break; 225a36c61f9SKrishna Gudipati 226a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 227a36c61f9SKrishna Gudipati rport->pid = 0; 228a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 229a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 230a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 231a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 232a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 233a36c61f9SKrishna Gudipati break; 234a36c61f9SKrishna Gudipati 235a36c61f9SKrishna Gudipati 236a36c61f9SKrishna Gudipati default: 237a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 238a36c61f9SKrishna Gudipati } 239a36c61f9SKrishna Gudipati } 240a36c61f9SKrishna Gudipati 2415fbe25c7SJing Huang /* 242a36c61f9SKrishna Gudipati * PLOGI is being sent. 243a36c61f9SKrishna Gudipati */ 244a36c61f9SKrishna Gudipati static void 245a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, 246a36c61f9SKrishna Gudipati enum rport_event event) 247a36c61f9SKrishna Gudipati { 248a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 249a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 250a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 251a36c61f9SKrishna Gudipati 252a36c61f9SKrishna Gudipati switch (event) { 253a36c61f9SKrishna Gudipati case RPSM_EVENT_FCXP_SENT: 254a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); 255a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(rport); 256a36c61f9SKrishna Gudipati break; 257a36c61f9SKrishna Gudipati 258a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 259a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 260a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 261a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 262a36c61f9SKrishna Gudipati break; 263a36c61f9SKrishna Gudipati 264a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 265d7be54ccSKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 266a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 2675fbe25c7SJing Huang /* 268a36c61f9SKrishna Gudipati * Ignore, SCN is possibly online notification. 269a36c61f9SKrishna Gudipati */ 270a36c61f9SKrishna Gudipati break; 271a36c61f9SKrishna Gudipati 272a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 273a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 274a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); 275a36c61f9SKrishna Gudipati rport->ns_retries = 0; 276a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 277a36c61f9SKrishna Gudipati break; 278a36c61f9SKrishna Gudipati 279a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 280a36c61f9SKrishna Gudipati rport->pid = 0; 281a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 282a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 283a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 284a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 285a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 286a36c61f9SKrishna Gudipati break; 287a36c61f9SKrishna Gudipati 288a36c61f9SKrishna Gudipati case RPSM_EVENT_HCB_OFFLINE: 2895fbe25c7SJing Huang /* 290a36c61f9SKrishna Gudipati * Ignore BFA callback, on a PLOGI receive we call bfa offline. 291a36c61f9SKrishna Gudipati */ 292a36c61f9SKrishna Gudipati break; 293a36c61f9SKrishna Gudipati 294a36c61f9SKrishna Gudipati default: 295a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 296a36c61f9SKrishna Gudipati } 297a36c61f9SKrishna Gudipati } 298a36c61f9SKrishna Gudipati 2995fbe25c7SJing Huang /* 300a36c61f9SKrishna Gudipati * PLOGI is sent. 301a36c61f9SKrishna Gudipati */ 302a36c61f9SKrishna Gudipati static void 303a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, 304a36c61f9SKrishna Gudipati enum rport_event event) 305a36c61f9SKrishna Gudipati { 306a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 307a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 308a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 309a36c61f9SKrishna Gudipati 310a36c61f9SKrishna Gudipati switch (event) { 311a36c61f9SKrishna Gudipati case RPSM_EVENT_TIMEOUT: 312a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); 313a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogi(rport, NULL); 314a36c61f9SKrishna Gudipati break; 315a36c61f9SKrishna Gudipati 316a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 317a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 318a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 319a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 320a36c61f9SKrishna Gudipati break; 321a36c61f9SKrishna Gudipati 322a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 323a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 324a36c61f9SKrishna Gudipati break; 325a36c61f9SKrishna Gudipati 326a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 327a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); 328a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 329a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(rport, NULL); 330a36c61f9SKrishna Gudipati break; 331a36c61f9SKrishna Gudipati 332a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 333a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 334a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 335a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); 336a36c61f9SKrishna Gudipati rport->ns_retries = 0; 337a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 338a36c61f9SKrishna Gudipati break; 339a36c61f9SKrishna Gudipati 340a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 341a36c61f9SKrishna Gudipati rport->pid = 0; 342a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 343a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 344a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 345a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 346a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 347a36c61f9SKrishna Gudipati break; 348a36c61f9SKrishna Gudipati 349a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 350a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); 351a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 352a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(rport); 353a36c61f9SKrishna Gudipati break; 354a36c61f9SKrishna Gudipati 355a36c61f9SKrishna Gudipati default: 356a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 357a36c61f9SKrishna Gudipati } 358a36c61f9SKrishna Gudipati } 359a36c61f9SKrishna Gudipati 3605fbe25c7SJing Huang /* 361a36c61f9SKrishna Gudipati * PLOGI is sent. 362a36c61f9SKrishna Gudipati */ 363a36c61f9SKrishna Gudipati static void 364a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) 365a36c61f9SKrishna Gudipati { 366a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 367a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 368a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 369a36c61f9SKrishna Gudipati 370a36c61f9SKrishna Gudipati switch (event) { 371a36c61f9SKrishna Gudipati case RPSM_EVENT_ACCEPTED: 372a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); 373a36c61f9SKrishna Gudipati rport->plogi_retries = 0; 374a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(rport); 375a36c61f9SKrishna Gudipati break; 376a36c61f9SKrishna Gudipati 377a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 378a36c61f9SKrishna Gudipati bfa_fcs_rport_send_logo_acc(rport); 379a36c61f9SKrishna Gudipati /* 380a36c61f9SKrishna Gudipati * !! fall through !! 381a36c61f9SKrishna Gudipati */ 382a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 383a36c61f9SKrishna Gudipati if (rport->prlo == BFA_TRUE) 384a36c61f9SKrishna Gudipati bfa_fcs_rport_send_prlo_acc(rport); 385a36c61f9SKrishna Gudipati 386a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 387a36c61f9SKrishna Gudipati /* 388a36c61f9SKrishna Gudipati * !! fall through !! 389a36c61f9SKrishna Gudipati */ 390a36c61f9SKrishna Gudipati case RPSM_EVENT_FAILED: 391a36c61f9SKrishna Gudipati if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) { 392a36c61f9SKrishna Gudipati rport->plogi_retries++; 393a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); 394a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 395a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 396a36c61f9SKrishna Gudipati BFA_FCS_RETRY_TIMEOUT); 397a36c61f9SKrishna Gudipati } else { 398a36c61f9SKrishna Gudipati bfa_stats(rport->port, rport_del_max_plogi_retry); 399a36c61f9SKrishna Gudipati rport->pid = 0; 400a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 401a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 402a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 403a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 404a36c61f9SKrishna Gudipati } 405a36c61f9SKrishna Gudipati break; 406a36c61f9SKrishna Gudipati 407a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RETRY: 408a36c61f9SKrishna Gudipati rport->plogi_retries = 0; 409a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); 410a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 411a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 412a36c61f9SKrishna Gudipati (FC_RA_TOV * 1000)); 413a36c61f9SKrishna Gudipati break; 414a36c61f9SKrishna Gudipati 415a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 416a36c61f9SKrishna Gudipati rport->pid = 0; 417a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 418a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 419a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 420a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 421a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 422a36c61f9SKrishna Gudipati break; 423a36c61f9SKrishna Gudipati 424a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 425a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 426a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 427a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); 428a36c61f9SKrishna Gudipati rport->ns_retries = 0; 429a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 430a36c61f9SKrishna Gudipati break; 431a36c61f9SKrishna Gudipati 432a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 433a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); 434a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 435a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(rport, NULL); 436a36c61f9SKrishna Gudipati break; 437a36c61f9SKrishna Gudipati 438a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 439a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 440a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 441a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 442a36c61f9SKrishna Gudipati break; 443a36c61f9SKrishna Gudipati 444a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 445a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); 446a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 447a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(rport); 448a36c61f9SKrishna Gudipati break; 449a36c61f9SKrishna Gudipati 450a36c61f9SKrishna Gudipati default: 451a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 452a36c61f9SKrishna Gudipati } 453a36c61f9SKrishna Gudipati } 454a36c61f9SKrishna Gudipati 4555fbe25c7SJing Huang /* 456a36c61f9SKrishna Gudipati * PLOGI is complete. Awaiting BFA rport online callback. FC-4s 457a36c61f9SKrishna Gudipati * are offline. 458a36c61f9SKrishna Gudipati */ 459a36c61f9SKrishna Gudipati static void 460a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, 461a36c61f9SKrishna Gudipati enum rport_event event) 462a36c61f9SKrishna Gudipati { 463a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 464a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 465a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 466a36c61f9SKrishna Gudipati 467a36c61f9SKrishna Gudipati switch (event) { 468a36c61f9SKrishna Gudipati case RPSM_EVENT_HCB_ONLINE: 469a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); 470a36c61f9SKrishna Gudipati bfa_fcs_rport_online_action(rport); 471a36c61f9SKrishna Gudipati break; 472a36c61f9SKrishna Gudipati 473a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 474d7be54ccSKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 475a36c61f9SKrishna Gudipati break; 476a36c61f9SKrishna Gudipati 477a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 478a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); 479f7f73812SMaggie Zhang bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); 480a36c61f9SKrishna Gudipati break; 481a36c61f9SKrishna Gudipati 482a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 483a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 484a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); 485f7f73812SMaggie Zhang bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); 486a36c61f9SKrishna Gudipati break; 487a36c61f9SKrishna Gudipati 488a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 489d7be54ccSKrishna Gudipati rport->plogi_pending = BFA_TRUE; 490d7be54ccSKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); 491f7f73812SMaggie Zhang bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); 492a36c61f9SKrishna Gudipati break; 493a36c61f9SKrishna Gudipati 494a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 495a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); 496f7f73812SMaggie Zhang bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); 497a36c61f9SKrishna Gudipati break; 498a36c61f9SKrishna Gudipati 499a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 5005fbe25c7SJing Huang /* 501a36c61f9SKrishna Gudipati * @todo 502a36c61f9SKrishna Gudipati * Ignore SCN - PLOGI just completed, FC-4 login should detect 503a36c61f9SKrishna Gudipati * device failures. 504a36c61f9SKrishna Gudipati */ 505a36c61f9SKrishna Gudipati break; 506a36c61f9SKrishna Gudipati 507a36c61f9SKrishna Gudipati default: 508a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 509a36c61f9SKrishna Gudipati } 510a36c61f9SKrishna Gudipati } 511a36c61f9SKrishna Gudipati 5125fbe25c7SJing Huang /* 513a36c61f9SKrishna Gudipati * Rport is ONLINE. FC-4s active. 514a36c61f9SKrishna Gudipati */ 515a36c61f9SKrishna Gudipati static void 516a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event) 517a36c61f9SKrishna Gudipati { 518a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 519a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 520a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 521a36c61f9SKrishna Gudipati 522a36c61f9SKrishna Gudipati switch (event) { 523a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 524a36c61f9SKrishna Gudipati if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { 525a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, 526a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsquery_sending); 527a36c61f9SKrishna Gudipati rport->ns_retries = 0; 528a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 529a36c61f9SKrishna Gudipati } else { 530a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); 531a36c61f9SKrishna Gudipati bfa_fcs_rport_send_adisc(rport, NULL); 532a36c61f9SKrishna Gudipati } 533a36c61f9SKrishna Gudipati break; 534a36c61f9SKrishna Gudipati 535a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 536a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 537a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 538a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 539a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 540a36c61f9SKrishna Gudipati break; 541a36c61f9SKrishna Gudipati 542a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 543a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); 544a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 545a36c61f9SKrishna Gudipati break; 546a36c61f9SKrishna Gudipati 547a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 548a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 549a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); 550a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 551a36c61f9SKrishna Gudipati break; 552a36c61f9SKrishna Gudipati 553a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 554a36c61f9SKrishna Gudipati break; 555a36c61f9SKrishna Gudipati 556a36c61f9SKrishna Gudipati default: 557a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 558a36c61f9SKrishna Gudipati } 559a36c61f9SKrishna Gudipati } 560a36c61f9SKrishna Gudipati 5615fbe25c7SJing Huang /* 562a36c61f9SKrishna Gudipati * An SCN event is received in ONLINE state. NS query is being sent 563a36c61f9SKrishna Gudipati * prior to ADISC authentication with rport. FC-4s are paused. 564a36c61f9SKrishna Gudipati */ 565a36c61f9SKrishna Gudipati static void 566a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, 567a36c61f9SKrishna Gudipati enum rport_event event) 568a36c61f9SKrishna Gudipati { 569a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 570a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 571a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 572a36c61f9SKrishna Gudipati 573a36c61f9SKrishna Gudipati switch (event) { 574a36c61f9SKrishna Gudipati case RPSM_EVENT_FCXP_SENT: 575a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery); 576a36c61f9SKrishna Gudipati break; 577a36c61f9SKrishna Gudipati 578a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 579a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); 580a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 581a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 582a36c61f9SKrishna Gudipati break; 583a36c61f9SKrishna Gudipati 584a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 5855fbe25c7SJing Huang /* 586a36c61f9SKrishna Gudipati * ignore SCN, wait for response to query itself 587a36c61f9SKrishna Gudipati */ 588a36c61f9SKrishna Gudipati break; 589a36c61f9SKrishna Gudipati 590a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 591a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 592a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); 593a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 594a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 595a36c61f9SKrishna Gudipati break; 596a36c61f9SKrishna Gudipati 597a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 598a36c61f9SKrishna Gudipati rport->pid = 0; 599a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 600a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 601a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 602a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 603a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 604a36c61f9SKrishna Gudipati break; 605a36c61f9SKrishna Gudipati 606a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 607a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 608a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 609a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 610a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 611a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 612a36c61f9SKrishna Gudipati break; 613a36c61f9SKrishna Gudipati 614a36c61f9SKrishna Gudipati default: 615a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 616a36c61f9SKrishna Gudipati } 617a36c61f9SKrishna Gudipati } 618a36c61f9SKrishna Gudipati 6195fbe25c7SJing Huang /* 620a36c61f9SKrishna Gudipati * An SCN event is received in ONLINE state. NS query is sent to rport. 621a36c61f9SKrishna Gudipati * FC-4s are paused. 622a36c61f9SKrishna Gudipati */ 623a36c61f9SKrishna Gudipati static void 624a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) 625a36c61f9SKrishna Gudipati { 626a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 627a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 628a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 629a36c61f9SKrishna Gudipati 630a36c61f9SKrishna Gudipati switch (event) { 631a36c61f9SKrishna Gudipati case RPSM_EVENT_ACCEPTED: 632a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); 633a36c61f9SKrishna Gudipati bfa_fcs_rport_send_adisc(rport, NULL); 634a36c61f9SKrishna Gudipati break; 635a36c61f9SKrishna Gudipati 636a36c61f9SKrishna Gudipati case RPSM_EVENT_FAILED: 637a36c61f9SKrishna Gudipati rport->ns_retries++; 638a36c61f9SKrishna Gudipati if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { 639a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, 640a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsquery_sending); 641a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 642a36c61f9SKrishna Gudipati } else { 643a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 644a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 645a36c61f9SKrishna Gudipati } 646a36c61f9SKrishna Gudipati break; 647a36c61f9SKrishna Gudipati 648a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 649a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); 650a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 651a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 652a36c61f9SKrishna Gudipati break; 653a36c61f9SKrishna Gudipati 654a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 655a36c61f9SKrishna Gudipati break; 656a36c61f9SKrishna Gudipati 657a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 658a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 659a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); 660a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 661a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 662a36c61f9SKrishna Gudipati break; 663a36c61f9SKrishna Gudipati 664a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 665a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 666a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 667a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 668a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 669a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 670a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 671a36c61f9SKrishna Gudipati break; 672a36c61f9SKrishna Gudipati 673a36c61f9SKrishna Gudipati default: 674a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 675a36c61f9SKrishna Gudipati } 676a36c61f9SKrishna Gudipati } 677a36c61f9SKrishna Gudipati 6785fbe25c7SJing Huang /* 679a36c61f9SKrishna Gudipati * An SCN event is received in ONLINE state. ADISC is being sent for 680a36c61f9SKrishna Gudipati * authenticating with rport. FC-4s are paused. 681a36c61f9SKrishna Gudipati */ 682a36c61f9SKrishna Gudipati static void 683a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, 684a36c61f9SKrishna Gudipati enum rport_event event) 685a36c61f9SKrishna Gudipati { 686a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 687a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 688a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 689a36c61f9SKrishna Gudipati 690a36c61f9SKrishna Gudipati switch (event) { 691a36c61f9SKrishna Gudipati case RPSM_EVENT_FCXP_SENT: 692a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc); 693a36c61f9SKrishna Gudipati break; 694a36c61f9SKrishna Gudipati 695a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 696a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); 697a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 698a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 699a36c61f9SKrishna Gudipati break; 700a36c61f9SKrishna Gudipati 701a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 702a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 703a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 704a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 705a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 706a36c61f9SKrishna Gudipati break; 707a36c61f9SKrishna Gudipati 708a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 709a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 710a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); 711a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 712a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 713a36c61f9SKrishna Gudipati break; 714a36c61f9SKrishna Gudipati 715a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 716a36c61f9SKrishna Gudipati break; 717a36c61f9SKrishna Gudipati 718a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 719a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 720a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 721a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 722a36c61f9SKrishna Gudipati break; 723a36c61f9SKrishna Gudipati 724a36c61f9SKrishna Gudipati default: 725a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 726a36c61f9SKrishna Gudipati } 727a36c61f9SKrishna Gudipati } 728a36c61f9SKrishna Gudipati 7295fbe25c7SJing Huang /* 730a36c61f9SKrishna Gudipati * An SCN event is received in ONLINE state. ADISC is to rport. 731a36c61f9SKrishna Gudipati * FC-4s are paused. 732a36c61f9SKrishna Gudipati */ 733a36c61f9SKrishna Gudipati static void 734a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event) 735a36c61f9SKrishna Gudipati { 736a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 737a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 738a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 739a36c61f9SKrishna Gudipati 740a36c61f9SKrishna Gudipati switch (event) { 741a36c61f9SKrishna Gudipati case RPSM_EVENT_ACCEPTED: 742a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); 743a36c61f9SKrishna Gudipati break; 744a36c61f9SKrishna Gudipati 745a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 7465fbe25c7SJing Huang /* 747a36c61f9SKrishna Gudipati * Too complex to cleanup FC-4 & rport and then acc to PLOGI. 748a36c61f9SKrishna Gudipati * At least go offline when a PLOGI is received. 749a36c61f9SKrishna Gudipati */ 750a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 751a36c61f9SKrishna Gudipati /* 752a36c61f9SKrishna Gudipati * !!! fall through !!! 753a36c61f9SKrishna Gudipati */ 754a36c61f9SKrishna Gudipati 755a36c61f9SKrishna Gudipati case RPSM_EVENT_FAILED: 756a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 757a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 758a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 759a36c61f9SKrishna Gudipati break; 760a36c61f9SKrishna Gudipati 761a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 762a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); 763a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 764a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 765a36c61f9SKrishna Gudipati break; 766a36c61f9SKrishna Gudipati 767a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 7685fbe25c7SJing Huang /* 769a36c61f9SKrishna Gudipati * already processing RSCN 770a36c61f9SKrishna Gudipati */ 771a36c61f9SKrishna Gudipati break; 772a36c61f9SKrishna Gudipati 773a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 774a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 775a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 776a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 777a36c61f9SKrishna Gudipati break; 778a36c61f9SKrishna Gudipati 779a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 780a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 781a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); 782a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 783a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 784a36c61f9SKrishna Gudipati break; 785a36c61f9SKrishna Gudipati 786a36c61f9SKrishna Gudipati default: 787a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 788a36c61f9SKrishna Gudipati } 789a36c61f9SKrishna Gudipati } 790a36c61f9SKrishna Gudipati 7915fbe25c7SJing Huang /* 792a36c61f9SKrishna Gudipati * Rport has sent LOGO. Awaiting FC-4 offline completion callback. 793a36c61f9SKrishna Gudipati */ 794a36c61f9SKrishna Gudipati static void 795a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, 796a36c61f9SKrishna Gudipati enum rport_event event) 797a36c61f9SKrishna Gudipati { 798a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 799a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 800a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 801a36c61f9SKrishna Gudipati 802a36c61f9SKrishna Gudipati switch (event) { 803a36c61f9SKrishna Gudipati case RPSM_EVENT_FC4_OFFLINE: 804a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); 805f7f73812SMaggie Zhang bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); 806a36c61f9SKrishna Gudipati break; 807a36c61f9SKrishna Gudipati 808a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 809a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); 810a36c61f9SKrishna Gudipati break; 811a36c61f9SKrishna Gudipati 812a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 813a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 814a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 815a36c61f9SKrishna Gudipati break; 816a36c61f9SKrishna Gudipati 817a36c61f9SKrishna Gudipati default: 818a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 819a36c61f9SKrishna Gudipati } 820a36c61f9SKrishna Gudipati } 821a36c61f9SKrishna Gudipati 8225fbe25c7SJing Huang /* 823a36c61f9SKrishna Gudipati * LOGO needs to be sent to rport. Awaiting FC-4 offline completion 824a36c61f9SKrishna Gudipati * callback. 825a36c61f9SKrishna Gudipati */ 826a36c61f9SKrishna Gudipati static void 827a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, 828a36c61f9SKrishna Gudipati enum rport_event event) 829a36c61f9SKrishna Gudipati { 830a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 831a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 832a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 833a36c61f9SKrishna Gudipati 834a36c61f9SKrishna Gudipati switch (event) { 835a36c61f9SKrishna Gudipati case RPSM_EVENT_FC4_OFFLINE: 836a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); 837f7f73812SMaggie Zhang bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); 838a36c61f9SKrishna Gudipati break; 839a36c61f9SKrishna Gudipati 840a36c61f9SKrishna Gudipati default: 841a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 842a36c61f9SKrishna Gudipati } 843a36c61f9SKrishna Gudipati } 844a36c61f9SKrishna Gudipati 8455fbe25c7SJing Huang /* 846a36c61f9SKrishna Gudipati * Rport is going offline. Awaiting FC-4 offline completion callback. 847a36c61f9SKrishna Gudipati */ 848a36c61f9SKrishna Gudipati static void 849a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, 850a36c61f9SKrishna Gudipati enum rport_event event) 851a36c61f9SKrishna Gudipati { 852a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 853a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 854a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 855a36c61f9SKrishna Gudipati 856a36c61f9SKrishna Gudipati switch (event) { 857a36c61f9SKrishna Gudipati case RPSM_EVENT_FC4_OFFLINE: 858a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); 859f7f73812SMaggie Zhang bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); 860a36c61f9SKrishna Gudipati break; 861a36c61f9SKrishna Gudipati 862a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 863a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 864a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 865a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 866a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 8675fbe25c7SJing Huang /* 868a36c61f9SKrishna Gudipati * rport is already going offline. 869a36c61f9SKrishna Gudipati * SCN - ignore and wait till transitioning to offline state 870a36c61f9SKrishna Gudipati */ 871a36c61f9SKrishna Gudipati break; 872a36c61f9SKrishna Gudipati 873a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 874a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); 875a36c61f9SKrishna Gudipati break; 876a36c61f9SKrishna Gudipati 877a36c61f9SKrishna Gudipati default: 878a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 879a36c61f9SKrishna Gudipati } 880a36c61f9SKrishna Gudipati } 881a36c61f9SKrishna Gudipati 8825fbe25c7SJing Huang /* 883a36c61f9SKrishna Gudipati * Rport is offline. FC-4s are offline. Awaiting BFA rport offline 884a36c61f9SKrishna Gudipati * callback. 885a36c61f9SKrishna Gudipati */ 886a36c61f9SKrishna Gudipati static void 887a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, 888a36c61f9SKrishna Gudipati enum rport_event event) 889a36c61f9SKrishna Gudipati { 890a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 891a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 892a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 893a36c61f9SKrishna Gudipati 894a36c61f9SKrishna Gudipati switch (event) { 895a36c61f9SKrishna Gudipati case RPSM_EVENT_HCB_OFFLINE: 896d7be54ccSKrishna Gudipati if (bfa_fcs_lport_is_online(rport->port) && 897d7be54ccSKrishna Gudipati (rport->plogi_pending)) { 898d7be54ccSKrishna Gudipati rport->plogi_pending = BFA_FALSE; 899d7be54ccSKrishna Gudipati bfa_sm_set_state(rport, 900d7be54ccSKrishna Gudipati bfa_fcs_rport_sm_plogiacc_sending); 901d7be54ccSKrishna Gudipati bfa_fcs_rport_send_plogiacc(rport, NULL); 902d7be54ccSKrishna Gudipati break; 903d7be54ccSKrishna Gudipati } 904d7be54ccSKrishna Gudipati /* 905d7be54ccSKrishna Gudipati * !! fall through !! 906d7be54ccSKrishna Gudipati */ 907d7be54ccSKrishna Gudipati 908a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 909a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_online(rport->port)) { 910a36c61f9SKrishna Gudipati if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { 911a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, 912a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsdisc_sending); 913a36c61f9SKrishna Gudipati rport->ns_retries = 0; 914a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 915a36c61f9SKrishna Gudipati } else { 916a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, 917a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_plogi_sending); 918a36c61f9SKrishna Gudipati rport->plogi_retries = 0; 919a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogi(rport, NULL); 920a36c61f9SKrishna Gudipati } 921a36c61f9SKrishna Gudipati } else { 922a36c61f9SKrishna Gudipati rport->pid = 0; 923a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 924a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 925a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 926a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 927a36c61f9SKrishna Gudipati } 928a36c61f9SKrishna Gudipati break; 929a36c61f9SKrishna Gudipati 930a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 931a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 932a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 933a36c61f9SKrishna Gudipati break; 934a36c61f9SKrishna Gudipati 935a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 936a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 937a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 938d7be54ccSKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 939d7be54ccSKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 9405fbe25c7SJing Huang /* 941a36c61f9SKrishna Gudipati * Ignore, already offline. 942a36c61f9SKrishna Gudipati */ 943a36c61f9SKrishna Gudipati break; 944a36c61f9SKrishna Gudipati 945a36c61f9SKrishna Gudipati default: 946a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 947a36c61f9SKrishna Gudipati } 948a36c61f9SKrishna Gudipati } 949a36c61f9SKrishna Gudipati 9505fbe25c7SJing Huang /* 951a36c61f9SKrishna Gudipati * Rport is offline. FC-4s are offline. Awaiting BFA rport offline 952a36c61f9SKrishna Gudipati * callback to send LOGO accept. 953a36c61f9SKrishna Gudipati */ 954a36c61f9SKrishna Gudipati static void 955a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, 956a36c61f9SKrishna Gudipati enum rport_event event) 957a36c61f9SKrishna Gudipati { 958a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 959a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 960a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 961a36c61f9SKrishna Gudipati 962a36c61f9SKrishna Gudipati switch (event) { 963a36c61f9SKrishna Gudipati case RPSM_EVENT_HCB_OFFLINE: 964a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 965a36c61f9SKrishna Gudipati if (rport->pid && (rport->prlo == BFA_TRUE)) 966a36c61f9SKrishna Gudipati bfa_fcs_rport_send_prlo_acc(rport); 967a36c61f9SKrishna Gudipati if (rport->pid && (rport->prlo == BFA_FALSE)) 968a36c61f9SKrishna Gudipati bfa_fcs_rport_send_logo_acc(rport); 969a36c61f9SKrishna Gudipati /* 970a36c61f9SKrishna Gudipati * If the lport is online and if the rport is not a well 971a36c61f9SKrishna Gudipati * known address port, 972a36c61f9SKrishna Gudipati * we try to re-discover the r-port. 973a36c61f9SKrishna Gudipati */ 974a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_online(rport->port) && 975a36c61f9SKrishna Gudipati (!BFA_FCS_PID_IS_WKA(rport->pid))) { 976d7be54ccSKrishna Gudipati if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { 977a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, 978a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsdisc_sending); 979a36c61f9SKrishna Gudipati rport->ns_retries = 0; 980a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 981a36c61f9SKrishna Gudipati } else { 982d7be54ccSKrishna Gudipati /* For N2N Direct Attach, try to re-login */ 983d7be54ccSKrishna Gudipati bfa_sm_set_state(rport, 984d7be54ccSKrishna Gudipati bfa_fcs_rport_sm_plogi_sending); 985d7be54ccSKrishna Gudipati rport->plogi_retries = 0; 986d7be54ccSKrishna Gudipati bfa_fcs_rport_send_plogi(rport, NULL); 987d7be54ccSKrishna Gudipati } 988d7be54ccSKrishna Gudipati } else { 989a36c61f9SKrishna Gudipati /* 990a36c61f9SKrishna Gudipati * if it is not a well known address, reset the 991a36c61f9SKrishna Gudipati * pid to 0. 992a36c61f9SKrishna Gudipati */ 993a36c61f9SKrishna Gudipati if (!BFA_FCS_PID_IS_WKA(rport->pid)) 994a36c61f9SKrishna Gudipati rport->pid = 0; 995a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 996a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 997a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 998a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 999a36c61f9SKrishna Gudipati } 1000a36c61f9SKrishna Gudipati break; 1001a36c61f9SKrishna Gudipati 1002a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 1003a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); 1004a36c61f9SKrishna Gudipati break; 1005a36c61f9SKrishna Gudipati 1006a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 1007a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); 1008a36c61f9SKrishna Gudipati break; 1009a36c61f9SKrishna Gudipati 1010a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 1011a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 10125fbe25c7SJing Huang /* 1013a36c61f9SKrishna Gudipati * Ignore - already processing a LOGO. 1014a36c61f9SKrishna Gudipati */ 1015a36c61f9SKrishna Gudipati break; 1016a36c61f9SKrishna Gudipati 1017a36c61f9SKrishna Gudipati default: 1018a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 1019a36c61f9SKrishna Gudipati } 1020a36c61f9SKrishna Gudipati } 1021a36c61f9SKrishna Gudipati 10225fbe25c7SJing Huang /* 1023a36c61f9SKrishna Gudipati * Rport is being deleted. FC-4s are offline. 1024a36c61f9SKrishna Gudipati * Awaiting BFA rport offline 1025a36c61f9SKrishna Gudipati * callback to send LOGO. 1026a36c61f9SKrishna Gudipati */ 1027a36c61f9SKrishna Gudipati static void 1028a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, 1029a36c61f9SKrishna Gudipati enum rport_event event) 1030a36c61f9SKrishna Gudipati { 1031a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1032a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1033a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 1034a36c61f9SKrishna Gudipati 1035a36c61f9SKrishna Gudipati switch (event) { 1036a36c61f9SKrishna Gudipati case RPSM_EVENT_HCB_OFFLINE: 1037a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending); 1038a36c61f9SKrishna Gudipati bfa_fcs_rport_send_logo(rport, NULL); 1039a36c61f9SKrishna Gudipati break; 1040a36c61f9SKrishna Gudipati 1041a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 1042a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 1043a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 1044a36c61f9SKrishna Gudipati break; 1045a36c61f9SKrishna Gudipati 1046a36c61f9SKrishna Gudipati default: 1047a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 1048a36c61f9SKrishna Gudipati } 1049a36c61f9SKrishna Gudipati } 1050a36c61f9SKrishna Gudipati 10515fbe25c7SJing Huang /* 1052a36c61f9SKrishna Gudipati * Rport is being deleted. FC-4s are offline. LOGO is being sent. 1053a36c61f9SKrishna Gudipati */ 1054a36c61f9SKrishna Gudipati static void 1055a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, 1056a36c61f9SKrishna Gudipati enum rport_event event) 1057a36c61f9SKrishna Gudipati { 1058a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1059a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1060a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 1061a36c61f9SKrishna Gudipati 1062a36c61f9SKrishna Gudipati switch (event) { 1063a36c61f9SKrishna Gudipati case RPSM_EVENT_FCXP_SENT: 1064a36c61f9SKrishna Gudipati /* Once LOGO is sent, we donot wait for the response */ 1065a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 1066a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 1067a36c61f9SKrishna Gudipati break; 1068a36c61f9SKrishna Gudipati 1069a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 1070a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 1071a36c61f9SKrishna Gudipati break; 1072a36c61f9SKrishna Gudipati 1073a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 1074a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 1075a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 1076a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 1077a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 1078a36c61f9SKrishna Gudipati break; 1079a36c61f9SKrishna Gudipati 1080a36c61f9SKrishna Gudipati default: 1081a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 1082a36c61f9SKrishna Gudipati } 1083a36c61f9SKrishna Gudipati } 1084a36c61f9SKrishna Gudipati 10855fbe25c7SJing Huang /* 1086a36c61f9SKrishna Gudipati * Rport is offline. FC-4s are offline. BFA rport is offline. 1087a36c61f9SKrishna Gudipati * Timer active to delete stale rport. 1088a36c61f9SKrishna Gudipati */ 1089a36c61f9SKrishna Gudipati static void 1090a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) 1091a36c61f9SKrishna Gudipati { 1092a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1093a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1094a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 1095a36c61f9SKrishna Gudipati 1096a36c61f9SKrishna Gudipati switch (event) { 1097a36c61f9SKrishna Gudipati case RPSM_EVENT_TIMEOUT: 1098a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 1099a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 1100a36c61f9SKrishna Gudipati break; 1101a36c61f9SKrishna Gudipati 1102a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 1103a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 1104a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); 1105a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 1106a36c61f9SKrishna Gudipati rport->ns_retries = 0; 1107a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 1108a36c61f9SKrishna Gudipati break; 1109a36c61f9SKrishna Gudipati 1110a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 1111a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 1112a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 1113a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 1114a36c61f9SKrishna Gudipati break; 1115a36c61f9SKrishna Gudipati 1116a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 1117a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); 1118a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 1119a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(rport, NULL); 1120a36c61f9SKrishna Gudipati break; 1121a36c61f9SKrishna Gudipati 1122a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 1123a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 1124a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 1125a36c61f9SKrishna Gudipati break; 1126a36c61f9SKrishna Gudipati 1127a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 1128a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); 1129a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 1130a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(rport); 1131a36c61f9SKrishna Gudipati break; 1132a36c61f9SKrishna Gudipati 1133a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_SEND: 1134a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 1135a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); 1136a36c61f9SKrishna Gudipati rport->plogi_retries = 0; 1137a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogi(rport, NULL); 1138a36c61f9SKrishna Gudipati break; 1139a36c61f9SKrishna Gudipati 1140a36c61f9SKrishna Gudipati default: 1141a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 1142a36c61f9SKrishna Gudipati } 1143a36c61f9SKrishna Gudipati } 1144a36c61f9SKrishna Gudipati 11455fbe25c7SJing Huang /* 1146a36c61f9SKrishna Gudipati * Rport address has changed. Nameserver discovery request is being sent. 1147a36c61f9SKrishna Gudipati */ 1148a36c61f9SKrishna Gudipati static void 1149a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, 1150a36c61f9SKrishna Gudipati enum rport_event event) 1151a36c61f9SKrishna Gudipati { 1152a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1153a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1154a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 1155a36c61f9SKrishna Gudipati 1156a36c61f9SKrishna Gudipati switch (event) { 1157a36c61f9SKrishna Gudipati case RPSM_EVENT_FCXP_SENT: 1158a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent); 1159a36c61f9SKrishna Gudipati break; 1160a36c61f9SKrishna Gudipati 1161a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 1162a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 1163a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 1164a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 1165a36c61f9SKrishna Gudipati break; 1166a36c61f9SKrishna Gudipati 1167a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 1168a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); 1169a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 1170a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(rport, NULL); 1171a36c61f9SKrishna Gudipati break; 1172a36c61f9SKrishna Gudipati 1173a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 1174a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 1175a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 1176a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_SEND: 1177a36c61f9SKrishna Gudipati break; 1178a36c61f9SKrishna Gudipati 1179a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 1180a36c61f9SKrishna Gudipati rport->ns_retries = 0; /* reset the retry count */ 1181a36c61f9SKrishna Gudipati break; 1182a36c61f9SKrishna Gudipati 1183a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 1184a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 1185a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 1186a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 1187a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 1188a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 1189a36c61f9SKrishna Gudipati break; 1190a36c61f9SKrishna Gudipati 1191a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 1192a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); 1193a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 1194a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(rport); 1195a36c61f9SKrishna Gudipati break; 1196a36c61f9SKrishna Gudipati 1197a36c61f9SKrishna Gudipati default: 1198a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 1199a36c61f9SKrishna Gudipati } 1200a36c61f9SKrishna Gudipati } 1201a36c61f9SKrishna Gudipati 12025fbe25c7SJing Huang /* 1203a36c61f9SKrishna Gudipati * Nameserver discovery failed. Waiting for timeout to retry. 1204a36c61f9SKrishna Gudipati */ 1205a36c61f9SKrishna Gudipati static void 1206a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, 1207a36c61f9SKrishna Gudipati enum rport_event event) 1208a36c61f9SKrishna Gudipati { 1209a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1210a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1211a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 1212a36c61f9SKrishna Gudipati 1213a36c61f9SKrishna Gudipati switch (event) { 1214a36c61f9SKrishna Gudipati case RPSM_EVENT_TIMEOUT: 1215a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); 1216a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 1217a36c61f9SKrishna Gudipati break; 1218a36c61f9SKrishna Gudipati 1219a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 1220a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 1221a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); 1222a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 1223a36c61f9SKrishna Gudipati rport->ns_retries = 0; 1224a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 1225a36c61f9SKrishna Gudipati break; 1226a36c61f9SKrishna Gudipati 1227a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 1228a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 1229a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 1230a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 1231a36c61f9SKrishna Gudipati break; 1232a36c61f9SKrishna Gudipati 1233a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 1234a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); 1235a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 1236a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(rport, NULL); 1237a36c61f9SKrishna Gudipati break; 1238a36c61f9SKrishna Gudipati 1239a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 1240a36c61f9SKrishna Gudipati rport->pid = 0; 1241a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 1242a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 1243a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 1244a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 1245a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 1246a36c61f9SKrishna Gudipati break; 1247a36c61f9SKrishna Gudipati 1248a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 1249a36c61f9SKrishna Gudipati bfa_fcs_rport_send_logo_acc(rport); 1250a36c61f9SKrishna Gudipati break; 1251a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 1252a36c61f9SKrishna Gudipati bfa_fcs_rport_send_prlo_acc(rport); 1253a36c61f9SKrishna Gudipati break; 1254a36c61f9SKrishna Gudipati 1255a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 1256a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); 1257a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 1258a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(rport); 1259a36c61f9SKrishna Gudipati break; 1260a36c61f9SKrishna Gudipati 1261a36c61f9SKrishna Gudipati default: 1262a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 1263a36c61f9SKrishna Gudipati } 1264a36c61f9SKrishna Gudipati } 1265a36c61f9SKrishna Gudipati 12665fbe25c7SJing Huang /* 1267a36c61f9SKrishna Gudipati * Rport address has changed. Nameserver discovery request is sent. 1268a36c61f9SKrishna Gudipati */ 1269a36c61f9SKrishna Gudipati static void 1270a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, 1271a36c61f9SKrishna Gudipati enum rport_event event) 1272a36c61f9SKrishna Gudipati { 1273a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1274a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1275a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 1276a36c61f9SKrishna Gudipati 1277a36c61f9SKrishna Gudipati switch (event) { 1278a36c61f9SKrishna Gudipati case RPSM_EVENT_ACCEPTED: 1279a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 1280a36c61f9SKrishna Gudipati if (rport->pid) { 1281a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); 1282a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogi(rport, NULL); 1283a36c61f9SKrishna Gudipati } else { 1284a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, 1285a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsdisc_sending); 1286a36c61f9SKrishna Gudipati rport->ns_retries = 0; 1287a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 1288a36c61f9SKrishna Gudipati } 1289a36c61f9SKrishna Gudipati break; 1290a36c61f9SKrishna Gudipati 1291a36c61f9SKrishna Gudipati case RPSM_EVENT_FAILED: 1292a36c61f9SKrishna Gudipati rport->ns_retries++; 1293a36c61f9SKrishna Gudipati if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { 1294a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, 1295a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsdisc_sending); 1296a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 1297a36c61f9SKrishna Gudipati } else { 1298a36c61f9SKrishna Gudipati rport->pid = 0; 1299a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 1300a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 1301a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 1302a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 1303a36c61f9SKrishna Gudipati }; 1304a36c61f9SKrishna Gudipati break; 1305a36c61f9SKrishna Gudipati 1306a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 1307a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 1308a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 1309a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 1310a36c61f9SKrishna Gudipati break; 1311a36c61f9SKrishna Gudipati 1312a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 1313a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); 1314a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 1315a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(rport, NULL); 1316a36c61f9SKrishna Gudipati break; 1317a36c61f9SKrishna Gudipati 1318a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 1319a36c61f9SKrishna Gudipati rport->pid = 0; 1320a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 1321a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 1322a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 1323a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 1324a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 1325a36c61f9SKrishna Gudipati break; 1326a36c61f9SKrishna Gudipati 1327a36c61f9SKrishna Gudipati 1328a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 1329a36c61f9SKrishna Gudipati bfa_fcs_rport_send_prlo_acc(rport); 1330a36c61f9SKrishna Gudipati break; 1331a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 13325fbe25c7SJing Huang /* 1333a36c61f9SKrishna Gudipati * ignore, wait for NS query response 1334a36c61f9SKrishna Gudipati */ 1335a36c61f9SKrishna Gudipati break; 1336a36c61f9SKrishna Gudipati 1337a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 13385fbe25c7SJing Huang /* 1339a36c61f9SKrishna Gudipati * Not logged-in yet. Accept LOGO. 1340a36c61f9SKrishna Gudipati */ 1341a36c61f9SKrishna Gudipati bfa_fcs_rport_send_logo_acc(rport); 1342a36c61f9SKrishna Gudipati break; 1343a36c61f9SKrishna Gudipati 1344a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 1345a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); 1346a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 1347a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(rport); 1348a36c61f9SKrishna Gudipati break; 1349a36c61f9SKrishna Gudipati 1350a36c61f9SKrishna Gudipati default: 1351a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 1352a36c61f9SKrishna Gudipati } 1353a36c61f9SKrishna Gudipati } 1354a36c61f9SKrishna Gudipati 1355a36c61f9SKrishna Gudipati 1356a36c61f9SKrishna Gudipati 13575fbe25c7SJing Huang /* 1358a36c61f9SKrishna Gudipati * fcs_rport_private FCS RPORT provate functions 1359a36c61f9SKrishna Gudipati */ 1360a36c61f9SKrishna Gudipati 1361a36c61f9SKrishna Gudipati static void 1362a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) 1363a36c61f9SKrishna Gudipati { 1364a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rport_cbarg; 1365a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1366a36c61f9SKrishna Gudipati struct fchs_s fchs; 1367a36c61f9SKrishna Gudipati int len; 1368a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1369a36c61f9SKrishna Gudipati 1370a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1371a36c61f9SKrishna Gudipati 1372a36c61f9SKrishna Gudipati fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); 1373a36c61f9SKrishna Gudipati if (!fcxp) { 1374a36c61f9SKrishna Gudipati bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, 1375a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogi, rport); 1376a36c61f9SKrishna Gudipati return; 1377a36c61f9SKrishna Gudipati } 1378a36c61f9SKrishna Gudipati rport->fcxp = fcxp; 1379a36c61f9SKrishna Gudipati 1380a36c61f9SKrishna Gudipati len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, 1381a36c61f9SKrishna Gudipati bfa_fcs_lport_get_fcid(port), 0, 1382a36c61f9SKrishna Gudipati port->port_cfg.pwwn, port->port_cfg.nwwn, 1383be540a99SKrishna Gudipati bfa_fcport_get_maxfrsize(port->fcs->bfa), 1384be540a99SKrishna Gudipati bfa_fcport_get_rx_bbcredit(port->fcs->bfa)); 1385a36c61f9SKrishna Gudipati 1386a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1387a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response, 1388a36c61f9SKrishna Gudipati (void *)rport, FC_MAX_PDUSZ, FC_ELS_TOV); 1389a36c61f9SKrishna Gudipati 1390a36c61f9SKrishna Gudipati rport->stats.plogis++; 1391a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); 1392a36c61f9SKrishna Gudipati } 1393a36c61f9SKrishna Gudipati 1394a36c61f9SKrishna Gudipati static void 1395a36c61f9SKrishna Gudipati bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, 1396a36c61f9SKrishna Gudipati bfa_status_t req_status, u32 rsp_len, 1397a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rsp_fchs) 1398a36c61f9SKrishna Gudipati { 1399a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 1400a36c61f9SKrishna Gudipati struct fc_logi_s *plogi_rsp; 1401a36c61f9SKrishna Gudipati struct fc_ls_rjt_s *ls_rjt; 1402a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *twin; 1403a36c61f9SKrishna Gudipati struct list_head *qe; 1404a36c61f9SKrishna Gudipati 1405a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1406a36c61f9SKrishna Gudipati 1407a36c61f9SKrishna Gudipati /* 1408a36c61f9SKrishna Gudipati * Sanity Checks 1409a36c61f9SKrishna Gudipati */ 1410a36c61f9SKrishna Gudipati if (req_status != BFA_STATUS_OK) { 1411a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, req_status); 1412a36c61f9SKrishna Gudipati rport->stats.plogi_failed++; 1413a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1414a36c61f9SKrishna Gudipati return; 1415a36c61f9SKrishna Gudipati } 1416a36c61f9SKrishna Gudipati 1417a36c61f9SKrishna Gudipati plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp); 1418a36c61f9SKrishna Gudipati 14195fbe25c7SJing Huang /* 1420a36c61f9SKrishna Gudipati * Check for failure first. 1421a36c61f9SKrishna Gudipati */ 1422a36c61f9SKrishna Gudipati if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) { 1423a36c61f9SKrishna Gudipati ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); 1424a36c61f9SKrishna Gudipati 1425a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, ls_rjt->reason_code); 1426a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, ls_rjt->reason_code_expl); 1427a36c61f9SKrishna Gudipati 1428a36c61f9SKrishna Gudipati if ((ls_rjt->reason_code == FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD) && 1429a36c61f9SKrishna Gudipati (ls_rjt->reason_code_expl == FC_LS_RJT_EXP_INSUFF_RES)) { 1430a36c61f9SKrishna Gudipati rport->stats.rjt_insuff_res++; 1431a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RETRY); 1432a36c61f9SKrishna Gudipati return; 1433a36c61f9SKrishna Gudipati } 1434a36c61f9SKrishna Gudipati 1435a36c61f9SKrishna Gudipati rport->stats.plogi_rejects++; 1436a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1437a36c61f9SKrishna Gudipati return; 1438a36c61f9SKrishna Gudipati } 1439a36c61f9SKrishna Gudipati 14405fbe25c7SJing Huang /* 1441a36c61f9SKrishna Gudipati * PLOGI is complete. Make sure this device is not one of the known 1442a36c61f9SKrishna Gudipati * device with a new FC port address. 1443a36c61f9SKrishna Gudipati */ 1444a36c61f9SKrishna Gudipati list_for_each(qe, &rport->port->rport_q) { 1445a36c61f9SKrishna Gudipati twin = (struct bfa_fcs_rport_s *) qe; 1446a36c61f9SKrishna Gudipati if (twin == rport) 1447a36c61f9SKrishna Gudipati continue; 1448a36c61f9SKrishna Gudipati if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) { 1449a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, twin->pid); 1450a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1451a36c61f9SKrishna Gudipati 1452a36c61f9SKrishna Gudipati /* Update plogi stats in twin */ 1453a36c61f9SKrishna Gudipati twin->stats.plogis += rport->stats.plogis; 1454a36c61f9SKrishna Gudipati twin->stats.plogi_rejects += 1455a36c61f9SKrishna Gudipati rport->stats.plogi_rejects; 1456a36c61f9SKrishna Gudipati twin->stats.plogi_timeouts += 1457a36c61f9SKrishna Gudipati rport->stats.plogi_timeouts; 1458a36c61f9SKrishna Gudipati twin->stats.plogi_failed += 1459a36c61f9SKrishna Gudipati rport->stats.plogi_failed; 1460a36c61f9SKrishna Gudipati twin->stats.plogi_rcvd += rport->stats.plogi_rcvd; 1461a36c61f9SKrishna Gudipati twin->stats.plogi_accs++; 1462a36c61f9SKrishna Gudipati 1463f7f73812SMaggie Zhang bfa_sm_send_event(rport, RPSM_EVENT_DELETE); 1464a36c61f9SKrishna Gudipati 1465a36c61f9SKrishna Gudipati bfa_fcs_rport_update(twin, plogi_rsp); 1466a36c61f9SKrishna Gudipati twin->pid = rsp_fchs->s_id; 1467a36c61f9SKrishna Gudipati bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP); 1468a36c61f9SKrishna Gudipati return; 1469a36c61f9SKrishna Gudipati } 1470a36c61f9SKrishna Gudipati } 1471a36c61f9SKrishna Gudipati 14725fbe25c7SJing Huang /* 1473a36c61f9SKrishna Gudipati * Normal login path -- no evil twins. 1474a36c61f9SKrishna Gudipati */ 1475a36c61f9SKrishna Gudipati rport->stats.plogi_accs++; 1476a36c61f9SKrishna Gudipati bfa_fcs_rport_update(rport, plogi_rsp); 1477a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); 1478a36c61f9SKrishna Gudipati } 1479a36c61f9SKrishna Gudipati 1480a36c61f9SKrishna Gudipati static void 1481a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) 1482a36c61f9SKrishna Gudipati { 1483a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rport_cbarg; 1484a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1485a36c61f9SKrishna Gudipati struct fchs_s fchs; 1486a36c61f9SKrishna Gudipati int len; 1487a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1488a36c61f9SKrishna Gudipati 1489a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1490a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->reply_oxid); 1491a36c61f9SKrishna Gudipati 1492a36c61f9SKrishna Gudipati fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); 1493a36c61f9SKrishna Gudipati if (!fcxp) { 1494a36c61f9SKrishna Gudipati bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, 1495a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc, rport); 1496a36c61f9SKrishna Gudipati return; 1497a36c61f9SKrishna Gudipati } 1498a36c61f9SKrishna Gudipati rport->fcxp = fcxp; 1499a36c61f9SKrishna Gudipati 1500a36c61f9SKrishna Gudipati len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1501a36c61f9SKrishna Gudipati rport->pid, bfa_fcs_lport_get_fcid(port), 1502a36c61f9SKrishna Gudipati rport->reply_oxid, port->port_cfg.pwwn, 1503a36c61f9SKrishna Gudipati port->port_cfg.nwwn, 1504be540a99SKrishna Gudipati bfa_fcport_get_maxfrsize(port->fcs->bfa), 1505be540a99SKrishna Gudipati bfa_fcport_get_rx_bbcredit(port->fcs->bfa)); 1506a36c61f9SKrishna Gudipati 1507a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1508a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); 1509a36c61f9SKrishna Gudipati 1510a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); 1511a36c61f9SKrishna Gudipati } 1512a36c61f9SKrishna Gudipati 1513a36c61f9SKrishna Gudipati static void 1514a36c61f9SKrishna Gudipati bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) 1515a36c61f9SKrishna Gudipati { 1516a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rport_cbarg; 1517a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1518a36c61f9SKrishna Gudipati struct fchs_s fchs; 1519a36c61f9SKrishna Gudipati int len; 1520a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1521a36c61f9SKrishna Gudipati 1522a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1523a36c61f9SKrishna Gudipati 1524a36c61f9SKrishna Gudipati fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); 1525a36c61f9SKrishna Gudipati if (!fcxp) { 1526a36c61f9SKrishna Gudipati bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, 1527a36c61f9SKrishna Gudipati bfa_fcs_rport_send_adisc, rport); 1528a36c61f9SKrishna Gudipati return; 1529a36c61f9SKrishna Gudipati } 1530a36c61f9SKrishna Gudipati rport->fcxp = fcxp; 1531a36c61f9SKrishna Gudipati 1532a36c61f9SKrishna Gudipati len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, 1533a36c61f9SKrishna Gudipati bfa_fcs_lport_get_fcid(port), 0, 1534a36c61f9SKrishna Gudipati port->port_cfg.pwwn, port->port_cfg.nwwn); 1535a36c61f9SKrishna Gudipati 1536a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1537a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response, 1538a36c61f9SKrishna Gudipati rport, FC_MAX_PDUSZ, FC_ELS_TOV); 1539a36c61f9SKrishna Gudipati 1540a36c61f9SKrishna Gudipati rport->stats.adisc_sent++; 1541a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); 1542a36c61f9SKrishna Gudipati } 1543a36c61f9SKrishna Gudipati 1544a36c61f9SKrishna Gudipati static void 1545a36c61f9SKrishna Gudipati bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, 1546a36c61f9SKrishna Gudipati bfa_status_t req_status, u32 rsp_len, 1547a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rsp_fchs) 1548a36c61f9SKrishna Gudipati { 1549a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 1550a36c61f9SKrishna Gudipati void *pld = bfa_fcxp_get_rspbuf(fcxp); 1551a36c61f9SKrishna Gudipati struct fc_ls_rjt_s *ls_rjt; 1552a36c61f9SKrishna Gudipati 1553a36c61f9SKrishna Gudipati if (req_status != BFA_STATUS_OK) { 1554a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, req_status); 1555a36c61f9SKrishna Gudipati rport->stats.adisc_failed++; 1556a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1557a36c61f9SKrishna Gudipati return; 1558a36c61f9SKrishna Gudipati } 1559a36c61f9SKrishna Gudipati 1560a36c61f9SKrishna Gudipati if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn, 1561a36c61f9SKrishna Gudipati rport->nwwn) == FC_PARSE_OK) { 1562a36c61f9SKrishna Gudipati rport->stats.adisc_accs++; 1563a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); 1564a36c61f9SKrishna Gudipati return; 1565a36c61f9SKrishna Gudipati } 1566a36c61f9SKrishna Gudipati 1567a36c61f9SKrishna Gudipati rport->stats.adisc_rejects++; 1568a36c61f9SKrishna Gudipati ls_rjt = pld; 1569a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code); 1570a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, ls_rjt->reason_code); 1571a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, ls_rjt->reason_code_expl); 1572a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1573a36c61f9SKrishna Gudipati } 1574a36c61f9SKrishna Gudipati 1575a36c61f9SKrishna Gudipati static void 1576a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) 1577a36c61f9SKrishna Gudipati { 1578a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rport_cbarg; 1579a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1580a36c61f9SKrishna Gudipati struct fchs_s fchs; 1581a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1582a36c61f9SKrishna Gudipati int len; 1583a36c61f9SKrishna Gudipati bfa_cb_fcxp_send_t cbfn; 1584a36c61f9SKrishna Gudipati 1585a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1586a36c61f9SKrishna Gudipati 1587a36c61f9SKrishna Gudipati fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); 1588a36c61f9SKrishna Gudipati if (!fcxp) { 1589a36c61f9SKrishna Gudipati bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, 1590a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc, rport); 1591a36c61f9SKrishna Gudipati return; 1592a36c61f9SKrishna Gudipati } 1593a36c61f9SKrishna Gudipati rport->fcxp = fcxp; 1594a36c61f9SKrishna Gudipati 1595a36c61f9SKrishna Gudipati if (rport->pwwn) { 1596a36c61f9SKrishna Gudipati len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1597a36c61f9SKrishna Gudipati bfa_fcs_lport_get_fcid(port), 0, rport->pwwn); 1598a36c61f9SKrishna Gudipati cbfn = bfa_fcs_rport_gidpn_response; 1599a36c61f9SKrishna Gudipati } else { 1600a36c61f9SKrishna Gudipati len = fc_gpnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1601a36c61f9SKrishna Gudipati bfa_fcs_lport_get_fcid(port), 0, rport->pid); 1602a36c61f9SKrishna Gudipati cbfn = bfa_fcs_rport_gpnid_response; 1603a36c61f9SKrishna Gudipati } 1604a36c61f9SKrishna Gudipati 1605a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1606a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, cbfn, 1607a36c61f9SKrishna Gudipati (void *)rport, FC_MAX_PDUSZ, FC_FCCT_TOV); 1608a36c61f9SKrishna Gudipati 1609a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); 1610a36c61f9SKrishna Gudipati } 1611a36c61f9SKrishna Gudipati 1612a36c61f9SKrishna Gudipati static void 1613a36c61f9SKrishna Gudipati bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, 1614a36c61f9SKrishna Gudipati bfa_status_t req_status, u32 rsp_len, 1615a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rsp_fchs) 1616a36c61f9SKrishna Gudipati { 1617a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 1618a36c61f9SKrishna Gudipati struct ct_hdr_s *cthdr; 1619a36c61f9SKrishna Gudipati struct fcgs_gidpn_resp_s *gidpn_rsp; 1620a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *twin; 1621a36c61f9SKrishna Gudipati struct list_head *qe; 1622a36c61f9SKrishna Gudipati 1623a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1624a36c61f9SKrishna Gudipati 1625a36c61f9SKrishna Gudipati cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); 1626ba816ea8SJing Huang cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); 1627a36c61f9SKrishna Gudipati 1628a36c61f9SKrishna Gudipati if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { 1629a36c61f9SKrishna Gudipati /* Check if the pid is the same as before. */ 1630a36c61f9SKrishna Gudipati gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1); 1631a36c61f9SKrishna Gudipati 1632a36c61f9SKrishna Gudipati if (gidpn_rsp->dap == rport->pid) { 1633a36c61f9SKrishna Gudipati /* Device is online */ 1634a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); 1635a36c61f9SKrishna Gudipati } else { 1636a36c61f9SKrishna Gudipati /* 1637a36c61f9SKrishna Gudipati * Device's PID has changed. We need to cleanup 1638a36c61f9SKrishna Gudipati * and re-login. If there is another device with 1639a36c61f9SKrishna Gudipati * the the newly discovered pid, send an scn notice 1640a36c61f9SKrishna Gudipati * so that its new pid can be discovered. 1641a36c61f9SKrishna Gudipati */ 1642a36c61f9SKrishna Gudipati list_for_each(qe, &rport->port->rport_q) { 1643a36c61f9SKrishna Gudipati twin = (struct bfa_fcs_rport_s *) qe; 1644a36c61f9SKrishna Gudipati if (twin == rport) 1645a36c61f9SKrishna Gudipati continue; 1646a36c61f9SKrishna Gudipati if (gidpn_rsp->dap == twin->pid) { 1647a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, twin->pid); 1648a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1649a36c61f9SKrishna Gudipati 1650a36c61f9SKrishna Gudipati twin->pid = 0; 1651a36c61f9SKrishna Gudipati bfa_sm_send_event(twin, 1652a36c61f9SKrishna Gudipati RPSM_EVENT_ADDRESS_CHANGE); 1653a36c61f9SKrishna Gudipati } 1654a36c61f9SKrishna Gudipati } 1655a36c61f9SKrishna Gudipati rport->pid = gidpn_rsp->dap; 1656a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE); 1657a36c61f9SKrishna Gudipati } 1658a36c61f9SKrishna Gudipati return; 1659a36c61f9SKrishna Gudipati } 1660a36c61f9SKrishna Gudipati 1661a36c61f9SKrishna Gudipati /* 1662a36c61f9SKrishna Gudipati * Reject Response 1663a36c61f9SKrishna Gudipati */ 1664a36c61f9SKrishna Gudipati switch (cthdr->reason_code) { 1665a36c61f9SKrishna Gudipati case CT_RSN_LOGICAL_BUSY: 1666a36c61f9SKrishna Gudipati /* 1667a36c61f9SKrishna Gudipati * Need to retry 1668a36c61f9SKrishna Gudipati */ 1669a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); 1670a36c61f9SKrishna Gudipati break; 1671a36c61f9SKrishna Gudipati 1672a36c61f9SKrishna Gudipati case CT_RSN_UNABLE_TO_PERF: 1673a36c61f9SKrishna Gudipati /* 1674a36c61f9SKrishna Gudipati * device doesn't exist : Start timer to cleanup this later. 1675a36c61f9SKrishna Gudipati */ 1676a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1677a36c61f9SKrishna Gudipati break; 1678a36c61f9SKrishna Gudipati 1679a36c61f9SKrishna Gudipati default: 1680a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1681a36c61f9SKrishna Gudipati break; 1682a36c61f9SKrishna Gudipati } 1683a36c61f9SKrishna Gudipati } 1684a36c61f9SKrishna Gudipati 1685a36c61f9SKrishna Gudipati static void 1686a36c61f9SKrishna Gudipati bfa_fcs_rport_gpnid_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, 1687a36c61f9SKrishna Gudipati bfa_status_t req_status, u32 rsp_len, 1688a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rsp_fchs) 1689a36c61f9SKrishna Gudipati { 1690a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 1691a36c61f9SKrishna Gudipati struct ct_hdr_s *cthdr; 1692a36c61f9SKrishna Gudipati 1693a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1694a36c61f9SKrishna Gudipati 1695a36c61f9SKrishna Gudipati cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); 1696ba816ea8SJing Huang cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); 1697a36c61f9SKrishna Gudipati 1698a36c61f9SKrishna Gudipati if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { 1699a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); 1700a36c61f9SKrishna Gudipati return; 1701a36c61f9SKrishna Gudipati } 1702a36c61f9SKrishna Gudipati 1703a36c61f9SKrishna Gudipati /* 1704a36c61f9SKrishna Gudipati * Reject Response 1705a36c61f9SKrishna Gudipati */ 1706a36c61f9SKrishna Gudipati switch (cthdr->reason_code) { 1707a36c61f9SKrishna Gudipati case CT_RSN_LOGICAL_BUSY: 1708a36c61f9SKrishna Gudipati /* 1709a36c61f9SKrishna Gudipati * Need to retry 1710a36c61f9SKrishna Gudipati */ 1711a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); 1712a36c61f9SKrishna Gudipati break; 1713a36c61f9SKrishna Gudipati 1714a36c61f9SKrishna Gudipati case CT_RSN_UNABLE_TO_PERF: 1715a36c61f9SKrishna Gudipati /* 1716a36c61f9SKrishna Gudipati * device doesn't exist : Start timer to cleanup this later. 1717a36c61f9SKrishna Gudipati */ 1718a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1719a36c61f9SKrishna Gudipati break; 1720a36c61f9SKrishna Gudipati 1721a36c61f9SKrishna Gudipati default: 1722a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1723a36c61f9SKrishna Gudipati break; 1724a36c61f9SKrishna Gudipati } 1725a36c61f9SKrishna Gudipati } 1726a36c61f9SKrishna Gudipati 17275fbe25c7SJing Huang /* 1728a36c61f9SKrishna Gudipati * Called to send a logout to the rport. 1729a36c61f9SKrishna Gudipati */ 1730a36c61f9SKrishna Gudipati static void 1731a36c61f9SKrishna Gudipati bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) 1732a36c61f9SKrishna Gudipati { 1733a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rport_cbarg; 1734a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port; 1735a36c61f9SKrishna Gudipati struct fchs_s fchs; 1736a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1737a36c61f9SKrishna Gudipati u16 len; 1738a36c61f9SKrishna Gudipati 1739a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1740a36c61f9SKrishna Gudipati 1741a36c61f9SKrishna Gudipati port = rport->port; 1742a36c61f9SKrishna Gudipati 1743a36c61f9SKrishna Gudipati fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); 1744a36c61f9SKrishna Gudipati if (!fcxp) { 1745a36c61f9SKrishna Gudipati bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, 1746a36c61f9SKrishna Gudipati bfa_fcs_rport_send_logo, rport); 1747a36c61f9SKrishna Gudipati return; 1748a36c61f9SKrishna Gudipati } 1749a36c61f9SKrishna Gudipati rport->fcxp = fcxp; 1750a36c61f9SKrishna Gudipati 1751a36c61f9SKrishna Gudipati len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, 1752a36c61f9SKrishna Gudipati bfa_fcs_lport_get_fcid(port), 0, 1753a36c61f9SKrishna Gudipati bfa_fcs_lport_get_pwwn(port)); 1754a36c61f9SKrishna Gudipati 1755a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1756a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, NULL, 1757a36c61f9SKrishna Gudipati rport, FC_MAX_PDUSZ, FC_ELS_TOV); 1758a36c61f9SKrishna Gudipati 1759a36c61f9SKrishna Gudipati rport->stats.logos++; 1760a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 1761a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); 1762a36c61f9SKrishna Gudipati } 1763a36c61f9SKrishna Gudipati 17645fbe25c7SJing Huang /* 1765a36c61f9SKrishna Gudipati * Send ACC for a LOGO received. 1766a36c61f9SKrishna Gudipati */ 1767a36c61f9SKrishna Gudipati static void 1768a36c61f9SKrishna Gudipati bfa_fcs_rport_send_logo_acc(void *rport_cbarg) 1769a36c61f9SKrishna Gudipati { 1770a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rport_cbarg; 1771a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port; 1772a36c61f9SKrishna Gudipati struct fchs_s fchs; 1773a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1774a36c61f9SKrishna Gudipati u16 len; 1775a36c61f9SKrishna Gudipati 1776a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1777a36c61f9SKrishna Gudipati 1778a36c61f9SKrishna Gudipati port = rport->port; 1779a36c61f9SKrishna Gudipati 1780a36c61f9SKrishna Gudipati fcxp = bfa_fcs_fcxp_alloc(port->fcs); 1781a36c61f9SKrishna Gudipati if (!fcxp) 1782a36c61f9SKrishna Gudipati return; 1783a36c61f9SKrishna Gudipati 1784a36c61f9SKrishna Gudipati rport->stats.logo_rcvd++; 1785a36c61f9SKrishna Gudipati len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1786a36c61f9SKrishna Gudipati rport->pid, bfa_fcs_lport_get_fcid(port), 1787a36c61f9SKrishna Gudipati rport->reply_oxid); 1788a36c61f9SKrishna Gudipati 1789a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1790a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); 1791a36c61f9SKrishna Gudipati } 1792a36c61f9SKrishna Gudipati 17935fbe25c7SJing Huang /* 1794a36c61f9SKrishna Gudipati * brief 1795a36c61f9SKrishna Gudipati * This routine will be called by bfa_timer on timer timeouts. 1796a36c61f9SKrishna Gudipati * 1797a36c61f9SKrishna Gudipati * param[in] rport - pointer to bfa_fcs_lport_ns_t. 1798a36c61f9SKrishna Gudipati * param[out] rport_status - pointer to return vport status in 1799a36c61f9SKrishna Gudipati * 1800a36c61f9SKrishna Gudipati * return 1801a36c61f9SKrishna Gudipati * void 1802a36c61f9SKrishna Gudipati * 1803a36c61f9SKrishna Gudipati * Special Considerations: 1804a36c61f9SKrishna Gudipati * 1805a36c61f9SKrishna Gudipati * note 1806a36c61f9SKrishna Gudipati */ 1807a36c61f9SKrishna Gudipati static void 1808a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout(void *arg) 1809a36c61f9SKrishna Gudipati { 1810a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) arg; 1811a36c61f9SKrishna Gudipati 1812a36c61f9SKrishna Gudipati rport->stats.plogi_timeouts++; 1813a36c61f9SKrishna Gudipati bfa_stats(rport->port, rport_plogi_timeouts); 1814a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); 1815a36c61f9SKrishna Gudipati } 1816a36c61f9SKrishna Gudipati 1817a36c61f9SKrishna Gudipati static void 1818a36c61f9SKrishna Gudipati bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, 1819a36c61f9SKrishna Gudipati struct fchs_s *rx_fchs, u16 len) 1820a36c61f9SKrishna Gudipati { 1821a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1822a36c61f9SKrishna Gudipati struct fchs_s fchs; 1823a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1824a36c61f9SKrishna Gudipati struct fc_prli_s *prli; 1825a36c61f9SKrishna Gudipati 1826a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rx_fchs->s_id); 1827a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rx_fchs->d_id); 1828a36c61f9SKrishna Gudipati 1829a36c61f9SKrishna Gudipati rport->stats.prli_rcvd++; 1830a36c61f9SKrishna Gudipati 1831a36c61f9SKrishna Gudipati /* 1832a36c61f9SKrishna Gudipati * We are in Initiator Mode 1833a36c61f9SKrishna Gudipati */ 1834a36c61f9SKrishna Gudipati prli = (struct fc_prli_s *) (rx_fchs + 1); 1835a36c61f9SKrishna Gudipati 1836a36c61f9SKrishna Gudipati if (prli->parampage.servparams.target) { 1837a36c61f9SKrishna Gudipati /* 1838a36c61f9SKrishna Gudipati * PRLI from a target ? 1839a36c61f9SKrishna Gudipati * Send the Acc. 1840a36c61f9SKrishna Gudipati * PRLI sent by us will be used to transition the IT nexus, 1841a36c61f9SKrishna Gudipati * once the response is received from the target. 1842a36c61f9SKrishna Gudipati */ 1843a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rx_fchs->s_id); 1844a36c61f9SKrishna Gudipati rport->scsi_function = BFA_RPORT_TARGET; 1845a36c61f9SKrishna Gudipati } else { 1846a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, prli->parampage.type); 1847a36c61f9SKrishna Gudipati rport->scsi_function = BFA_RPORT_INITIATOR; 1848a36c61f9SKrishna Gudipati bfa_fcs_itnim_is_initiator(rport->itnim); 1849a36c61f9SKrishna Gudipati } 1850a36c61f9SKrishna Gudipati 1851a36c61f9SKrishna Gudipati fcxp = bfa_fcs_fcxp_alloc(port->fcs); 1852a36c61f9SKrishna Gudipati if (!fcxp) 1853a36c61f9SKrishna Gudipati return; 1854a36c61f9SKrishna Gudipati 1855a36c61f9SKrishna Gudipati len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1856a36c61f9SKrishna Gudipati rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), 1857a36c61f9SKrishna Gudipati rx_fchs->ox_id, port->port_cfg.roles); 1858a36c61f9SKrishna Gudipati 1859a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1860a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); 1861a36c61f9SKrishna Gudipati } 1862a36c61f9SKrishna Gudipati 1863a36c61f9SKrishna Gudipati static void 1864a36c61f9SKrishna Gudipati bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, 1865a36c61f9SKrishna Gudipati struct fchs_s *rx_fchs, u16 len) 1866a36c61f9SKrishna Gudipati { 1867a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1868a36c61f9SKrishna Gudipati struct fchs_s fchs; 1869a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1870a36c61f9SKrishna Gudipati struct fc_rpsc_speed_info_s speeds; 1871a36c61f9SKrishna Gudipati struct bfa_port_attr_s pport_attr; 1872a36c61f9SKrishna Gudipati 1873a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rx_fchs->s_id); 1874a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rx_fchs->d_id); 1875a36c61f9SKrishna Gudipati 1876a36c61f9SKrishna Gudipati rport->stats.rpsc_rcvd++; 1877a36c61f9SKrishna Gudipati speeds.port_speed_cap = 1878a36c61f9SKrishna Gudipati RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G | 1879a36c61f9SKrishna Gudipati RPSC_SPEED_CAP_8G; 1880a36c61f9SKrishna Gudipati 1881a36c61f9SKrishna Gudipati /* 1882a36c61f9SKrishna Gudipati * get curent speed from pport attributes from BFA 1883a36c61f9SKrishna Gudipati */ 1884a36c61f9SKrishna Gudipati bfa_fcport_get_attr(port->fcs->bfa, &pport_attr); 1885a36c61f9SKrishna Gudipati 1886a36c61f9SKrishna Gudipati speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed); 1887a36c61f9SKrishna Gudipati 1888a36c61f9SKrishna Gudipati fcxp = bfa_fcs_fcxp_alloc(port->fcs); 1889a36c61f9SKrishna Gudipati if (!fcxp) 1890a36c61f9SKrishna Gudipati return; 1891a36c61f9SKrishna Gudipati 1892a36c61f9SKrishna Gudipati len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1893a36c61f9SKrishna Gudipati rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), 1894a36c61f9SKrishna Gudipati rx_fchs->ox_id, &speeds); 1895a36c61f9SKrishna Gudipati 1896a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1897a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); 1898a36c61f9SKrishna Gudipati } 1899a36c61f9SKrishna Gudipati 1900a36c61f9SKrishna Gudipati static void 1901a36c61f9SKrishna Gudipati bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, 1902a36c61f9SKrishna Gudipati struct fchs_s *rx_fchs, u16 len) 1903a36c61f9SKrishna Gudipati { 1904a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1905a36c61f9SKrishna Gudipati struct fchs_s fchs; 1906a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1907a36c61f9SKrishna Gudipati struct fc_adisc_s *adisc; 1908a36c61f9SKrishna Gudipati 1909a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rx_fchs->s_id); 1910a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rx_fchs->d_id); 1911a36c61f9SKrishna Gudipati 1912a36c61f9SKrishna Gudipati rport->stats.adisc_rcvd++; 1913a36c61f9SKrishna Gudipati 1914a36c61f9SKrishna Gudipati adisc = (struct fc_adisc_s *) (rx_fchs + 1); 1915a36c61f9SKrishna Gudipati 1916a36c61f9SKrishna Gudipati /* 1917a36c61f9SKrishna Gudipati * Accept if the itnim for this rport is online. 1918a36c61f9SKrishna Gudipati * Else reject the ADISC. 1919a36c61f9SKrishna Gudipati */ 1920a36c61f9SKrishna Gudipati if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) { 1921a36c61f9SKrishna Gudipati 1922a36c61f9SKrishna Gudipati fcxp = bfa_fcs_fcxp_alloc(port->fcs); 1923a36c61f9SKrishna Gudipati if (!fcxp) 1924a36c61f9SKrishna Gudipati return; 1925a36c61f9SKrishna Gudipati 1926a36c61f9SKrishna Gudipati len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1927a36c61f9SKrishna Gudipati rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), 1928a36c61f9SKrishna Gudipati rx_fchs->ox_id, port->port_cfg.pwwn, 1929a36c61f9SKrishna Gudipati port->port_cfg.nwwn); 1930a36c61f9SKrishna Gudipati 1931a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, 1932a36c61f9SKrishna Gudipati BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, 1933a36c61f9SKrishna Gudipati FC_MAX_PDUSZ, 0); 1934a36c61f9SKrishna Gudipati } else { 1935a36c61f9SKrishna Gudipati rport->stats.adisc_rejected++; 1936a36c61f9SKrishna Gudipati bfa_fcs_rport_send_ls_rjt(rport, rx_fchs, 1937a36c61f9SKrishna Gudipati FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD, 1938a36c61f9SKrishna Gudipati FC_LS_RJT_EXP_LOGIN_REQUIRED); 1939a36c61f9SKrishna Gudipati } 1940a36c61f9SKrishna Gudipati } 1941a36c61f9SKrishna Gudipati 1942a36c61f9SKrishna Gudipati static void 1943a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport) 1944a36c61f9SKrishna Gudipati { 1945a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1946a36c61f9SKrishna Gudipati struct bfa_rport_info_s rport_info; 1947a36c61f9SKrishna Gudipati 1948a36c61f9SKrishna Gudipati rport_info.pid = rport->pid; 1949a36c61f9SKrishna Gudipati rport_info.local_pid = port->pid; 1950a36c61f9SKrishna Gudipati rport_info.lp_tag = port->lp_tag; 1951a36c61f9SKrishna Gudipati rport_info.vf_id = port->fabric->vf_id; 1952a36c61f9SKrishna Gudipati rport_info.vf_en = port->fabric->is_vf; 1953a36c61f9SKrishna Gudipati rport_info.fc_class = rport->fc_cos; 1954a36c61f9SKrishna Gudipati rport_info.cisc = rport->cisc; 1955a36c61f9SKrishna Gudipati rport_info.max_frmsz = rport->maxfrsize; 1956a36c61f9SKrishna Gudipati bfa_rport_online(rport->bfa_rport, &rport_info); 1957a36c61f9SKrishna Gudipati } 1958a36c61f9SKrishna Gudipati 1959a36c61f9SKrishna Gudipati static struct bfa_fcs_rport_s * 1960a36c61f9SKrishna Gudipati bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid) 1961a36c61f9SKrishna Gudipati { 1962a36c61f9SKrishna Gudipati struct bfa_fcs_s *fcs = port->fcs; 1963a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 1964a36c61f9SKrishna Gudipati struct bfad_rport_s *rport_drv; 1965a36c61f9SKrishna Gudipati 19665fbe25c7SJing Huang /* 1967a36c61f9SKrishna Gudipati * allocate rport 1968a36c61f9SKrishna Gudipati */ 1969a36c61f9SKrishna Gudipati if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv) 1970a36c61f9SKrishna Gudipati != BFA_STATUS_OK) { 1971a36c61f9SKrishna Gudipati bfa_trc(fcs, rpid); 1972a36c61f9SKrishna Gudipati return NULL; 1973a36c61f9SKrishna Gudipati } 1974a36c61f9SKrishna Gudipati 1975a36c61f9SKrishna Gudipati /* 1976a36c61f9SKrishna Gudipati * Initialize r-port 1977a36c61f9SKrishna Gudipati */ 1978a36c61f9SKrishna Gudipati rport->port = port; 1979a36c61f9SKrishna Gudipati rport->fcs = fcs; 1980a36c61f9SKrishna Gudipati rport->rp_drv = rport_drv; 1981a36c61f9SKrishna Gudipati rport->pid = rpid; 1982a36c61f9SKrishna Gudipati rport->pwwn = pwwn; 1983a36c61f9SKrishna Gudipati 19845fbe25c7SJing Huang /* 1985a36c61f9SKrishna Gudipati * allocate BFA rport 1986a36c61f9SKrishna Gudipati */ 1987a36c61f9SKrishna Gudipati rport->bfa_rport = bfa_rport_create(port->fcs->bfa, rport); 1988a36c61f9SKrishna Gudipati if (!rport->bfa_rport) { 1989a36c61f9SKrishna Gudipati bfa_trc(fcs, rpid); 1990a36c61f9SKrishna Gudipati kfree(rport_drv); 1991a36c61f9SKrishna Gudipati return NULL; 1992a36c61f9SKrishna Gudipati } 1993a36c61f9SKrishna Gudipati 19945fbe25c7SJing Huang /* 1995a36c61f9SKrishna Gudipati * allocate FC-4s 1996a36c61f9SKrishna Gudipati */ 1997d4b671c5SJing Huang WARN_ON(!bfa_fcs_lport_is_initiator(port)); 1998a36c61f9SKrishna Gudipati 1999a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_initiator(port)) { 2000a36c61f9SKrishna Gudipati rport->itnim = bfa_fcs_itnim_create(rport); 2001a36c61f9SKrishna Gudipati if (!rport->itnim) { 2002a36c61f9SKrishna Gudipati bfa_trc(fcs, rpid); 2003da99dcc9SMaggie Zhang bfa_sm_send_event(rport->bfa_rport, 2004da99dcc9SMaggie Zhang BFA_RPORT_SM_DELETE); 2005a36c61f9SKrishna Gudipati kfree(rport_drv); 2006a36c61f9SKrishna Gudipati return NULL; 2007a36c61f9SKrishna Gudipati } 2008a36c61f9SKrishna Gudipati } 2009a36c61f9SKrishna Gudipati 2010a36c61f9SKrishna Gudipati bfa_fcs_lport_add_rport(port, rport); 2011a36c61f9SKrishna Gudipati 2012a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 2013a36c61f9SKrishna Gudipati 2014a36c61f9SKrishna Gudipati /* Initialize the Rport Features(RPF) Sub Module */ 2015a36c61f9SKrishna Gudipati if (!BFA_FCS_PID_IS_WKA(rport->pid)) 2016a36c61f9SKrishna Gudipati bfa_fcs_rpf_init(rport); 2017a36c61f9SKrishna Gudipati 2018a36c61f9SKrishna Gudipati return rport; 2019a36c61f9SKrishna Gudipati } 2020a36c61f9SKrishna Gudipati 2021a36c61f9SKrishna Gudipati 2022a36c61f9SKrishna Gudipati static void 2023a36c61f9SKrishna Gudipati bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport) 2024a36c61f9SKrishna Gudipati { 2025a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 2026a36c61f9SKrishna Gudipati 20275fbe25c7SJing Huang /* 2028a36c61f9SKrishna Gudipati * - delete FC-4s 2029a36c61f9SKrishna Gudipati * - delete BFA rport 2030a36c61f9SKrishna Gudipati * - remove from queue of rports 2031a36c61f9SKrishna Gudipati */ 2032a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_initiator(port)) { 2033a36c61f9SKrishna Gudipati bfa_fcs_itnim_delete(rport->itnim); 2034a36c61f9SKrishna Gudipati if (rport->pid != 0 && !BFA_FCS_PID_IS_WKA(rport->pid)) 2035a36c61f9SKrishna Gudipati bfa_fcs_rpf_rport_offline(rport); 2036a36c61f9SKrishna Gudipati } 2037a36c61f9SKrishna Gudipati 2038f7f73812SMaggie Zhang bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_DELETE); 2039a36c61f9SKrishna Gudipati bfa_fcs_lport_del_rport(port, rport); 2040a36c61f9SKrishna Gudipati kfree(rport->rp_drv); 2041a36c61f9SKrishna Gudipati } 2042a36c61f9SKrishna Gudipati 2043a36c61f9SKrishna Gudipati static void 2044a36c61f9SKrishna Gudipati bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport) 2045a36c61f9SKrishna Gudipati { 2046a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 2047a36c61f9SKrishna Gudipati struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; 2048a36c61f9SKrishna Gudipati char lpwwn_buf[BFA_STRING_32]; 2049a36c61f9SKrishna Gudipati char rpwwn_buf[BFA_STRING_32]; 2050a36c61f9SKrishna Gudipati 2051a36c61f9SKrishna Gudipati rport->stats.onlines++; 2052a36c61f9SKrishna Gudipati 2053d7be54ccSKrishna Gudipati if ((!rport->pid) || (!rport->pwwn)) { 2054d7be54ccSKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2055d7be54ccSKrishna Gudipati bfa_sm_fault(rport->fcs, rport->pid); 2056d7be54ccSKrishna Gudipati } 2057d7be54ccSKrishna Gudipati 2058a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_initiator(port)) { 2059a36c61f9SKrishna Gudipati bfa_fcs_itnim_rport_online(rport->itnim); 2060a36c61f9SKrishna Gudipati if (!BFA_FCS_PID_IS_WKA(rport->pid)) 2061a36c61f9SKrishna Gudipati bfa_fcs_rpf_rport_online(rport); 2062a36c61f9SKrishna Gudipati }; 2063a36c61f9SKrishna Gudipati 2064a36c61f9SKrishna Gudipati wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); 2065a36c61f9SKrishna Gudipati wwn2str(rpwwn_buf, rport->pwwn); 2066a36c61f9SKrishna Gudipati if (!BFA_FCS_PID_IS_WKA(rport->pid)) 206788166242SJing Huang BFA_LOG(KERN_INFO, bfad, bfa_log_level, 2068a36c61f9SKrishna Gudipati "Remote port (WWN = %s) online for logical port (WWN = %s)\n", 2069a36c61f9SKrishna Gudipati rpwwn_buf, lpwwn_buf); 2070a36c61f9SKrishna Gudipati } 2071a36c61f9SKrishna Gudipati 2072a36c61f9SKrishna Gudipati static void 2073a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport) 2074a36c61f9SKrishna Gudipati { 2075a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 2076a36c61f9SKrishna Gudipati struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; 2077a36c61f9SKrishna Gudipati char lpwwn_buf[BFA_STRING_32]; 2078a36c61f9SKrishna Gudipati char rpwwn_buf[BFA_STRING_32]; 2079a36c61f9SKrishna Gudipati 2080a36c61f9SKrishna Gudipati rport->stats.offlines++; 2081d7be54ccSKrishna Gudipati rport->plogi_pending = BFA_FALSE; 2082a36c61f9SKrishna Gudipati 2083a36c61f9SKrishna Gudipati wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); 2084a36c61f9SKrishna Gudipati wwn2str(rpwwn_buf, rport->pwwn); 2085a36c61f9SKrishna Gudipati if (!BFA_FCS_PID_IS_WKA(rport->pid)) { 2086a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_online(rport->port) == BFA_TRUE) 208788166242SJing Huang BFA_LOG(KERN_ERR, bfad, bfa_log_level, 2088a36c61f9SKrishna Gudipati "Remote port (WWN = %s) connectivity lost for " 2089a36c61f9SKrishna Gudipati "logical port (WWN = %s)\n", 2090a36c61f9SKrishna Gudipati rpwwn_buf, lpwwn_buf); 2091a36c61f9SKrishna Gudipati else 209288166242SJing Huang BFA_LOG(KERN_INFO, bfad, bfa_log_level, 2093a36c61f9SKrishna Gudipati "Remote port (WWN = %s) offlined by " 2094a36c61f9SKrishna Gudipati "logical port (WWN = %s)\n", 2095a36c61f9SKrishna Gudipati rpwwn_buf, lpwwn_buf); 2096a36c61f9SKrishna Gudipati } 2097a36c61f9SKrishna Gudipati 2098a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_initiator(port)) { 2099a36c61f9SKrishna Gudipati bfa_fcs_itnim_rport_offline(rport->itnim); 2100a36c61f9SKrishna Gudipati if (!BFA_FCS_PID_IS_WKA(rport->pid)) 2101a36c61f9SKrishna Gudipati bfa_fcs_rpf_rport_offline(rport); 2102a36c61f9SKrishna Gudipati } 2103a36c61f9SKrishna Gudipati } 2104a36c61f9SKrishna Gudipati 21055fbe25c7SJing Huang /* 2106a36c61f9SKrishna Gudipati * Update rport parameters from PLOGI or PLOGI accept. 2107a36c61f9SKrishna Gudipati */ 2108a36c61f9SKrishna Gudipati static void 2109a36c61f9SKrishna Gudipati bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) 2110a36c61f9SKrishna Gudipati { 2111a36c61f9SKrishna Gudipati bfa_fcs_lport_t *port = rport->port; 2112a36c61f9SKrishna Gudipati 21135fbe25c7SJing Huang /* 2114a36c61f9SKrishna Gudipati * - port name 2115a36c61f9SKrishna Gudipati * - node name 2116a36c61f9SKrishna Gudipati */ 2117a36c61f9SKrishna Gudipati rport->pwwn = plogi->port_name; 2118a36c61f9SKrishna Gudipati rport->nwwn = plogi->node_name; 2119a36c61f9SKrishna Gudipati 21205fbe25c7SJing Huang /* 2121a36c61f9SKrishna Gudipati * - class of service 2122a36c61f9SKrishna Gudipati */ 2123a36c61f9SKrishna Gudipati rport->fc_cos = 0; 2124a36c61f9SKrishna Gudipati if (plogi->class3.class_valid) 2125a36c61f9SKrishna Gudipati rport->fc_cos = FC_CLASS_3; 2126a36c61f9SKrishna Gudipati 2127a36c61f9SKrishna Gudipati if (plogi->class2.class_valid) 2128a36c61f9SKrishna Gudipati rport->fc_cos |= FC_CLASS_2; 2129a36c61f9SKrishna Gudipati 21305fbe25c7SJing Huang /* 2131a36c61f9SKrishna Gudipati * - CISC 2132a36c61f9SKrishna Gudipati * - MAX receive frame size 2133a36c61f9SKrishna Gudipati */ 2134a36c61f9SKrishna Gudipati rport->cisc = plogi->csp.cisc; 2135ba816ea8SJing Huang rport->maxfrsize = be16_to_cpu(plogi->class3.rxsz); 2136a36c61f9SKrishna Gudipati 2137ba816ea8SJing Huang bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); 2138a36c61f9SKrishna Gudipati bfa_trc(port->fcs, port->fabric->bb_credit); 21395fbe25c7SJing Huang /* 2140a36c61f9SKrishna Gudipati * Direct Attach P2P mode : 2141a36c61f9SKrishna Gudipati * This is to handle a bug (233476) in IBM targets in Direct Attach 2142a36c61f9SKrishna Gudipati * Mode. Basically, in FLOGI Accept the target would have 2143a36c61f9SKrishna Gudipati * erroneously set the BB Credit to the value used in the FLOGI 2144a36c61f9SKrishna Gudipati * sent by the HBA. It uses the correct value (its own BB credit) 2145a36c61f9SKrishna Gudipati * in PLOGI. 2146a36c61f9SKrishna Gudipati */ 2147a36c61f9SKrishna Gudipati if ((!bfa_fcs_fabric_is_switched(port->fabric)) && 2148ba816ea8SJing Huang (be16_to_cpu(plogi->csp.bbcred) < port->fabric->bb_credit)) { 2149a36c61f9SKrishna Gudipati 2150ba816ea8SJing Huang bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); 2151a36c61f9SKrishna Gudipati bfa_trc(port->fcs, port->fabric->bb_credit); 2152a36c61f9SKrishna Gudipati 2153ba816ea8SJing Huang port->fabric->bb_credit = be16_to_cpu(plogi->csp.bbcred); 2154a36c61f9SKrishna Gudipati bfa_fcport_set_tx_bbcredit(port->fcs->bfa, 2155be540a99SKrishna Gudipati port->fabric->bb_credit, 0); 2156a36c61f9SKrishna Gudipati } 2157a36c61f9SKrishna Gudipati 2158a36c61f9SKrishna Gudipati } 2159a36c61f9SKrishna Gudipati 21605fbe25c7SJing Huang /* 2161a36c61f9SKrishna Gudipati * Called to handle LOGO received from an existing remote port. 2162a36c61f9SKrishna Gudipati */ 2163a36c61f9SKrishna Gudipati static void 2164a36c61f9SKrishna Gudipati bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs) 2165a36c61f9SKrishna Gudipati { 2166a36c61f9SKrishna Gudipati rport->reply_oxid = fchs->ox_id; 2167a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->reply_oxid); 2168a36c61f9SKrishna Gudipati 2169a36c61f9SKrishna Gudipati rport->prlo = BFA_FALSE; 2170a36c61f9SKrishna Gudipati rport->stats.logo_rcvd++; 2171a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD); 2172a36c61f9SKrishna Gudipati } 2173a36c61f9SKrishna Gudipati 2174a36c61f9SKrishna Gudipati 2175a36c61f9SKrishna Gudipati 21765fbe25c7SJing Huang /* 2177a36c61f9SKrishna Gudipati * fcs_rport_public FCS rport public interfaces 2178a36c61f9SKrishna Gudipati */ 2179a36c61f9SKrishna Gudipati 21805fbe25c7SJing Huang /* 2181a36c61f9SKrishna Gudipati * Called by bport/vport to create a remote port instance for a discovered 2182a36c61f9SKrishna Gudipati * remote device. 2183a36c61f9SKrishna Gudipati * 2184a36c61f9SKrishna Gudipati * @param[in] port - base port or vport 2185a36c61f9SKrishna Gudipati * @param[in] rpid - remote port ID 2186a36c61f9SKrishna Gudipati * 2187a36c61f9SKrishna Gudipati * @return None 2188a36c61f9SKrishna Gudipati */ 2189a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s * 2190a36c61f9SKrishna Gudipati bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, u32 rpid) 2191a36c61f9SKrishna Gudipati { 2192a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 2193a36c61f9SKrishna Gudipati 2194a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rpid); 2195a36c61f9SKrishna Gudipati rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid); 2196a36c61f9SKrishna Gudipati if (!rport) 2197a36c61f9SKrishna Gudipati return NULL; 2198a36c61f9SKrishna Gudipati 2199a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); 2200a36c61f9SKrishna Gudipati return rport; 2201a36c61f9SKrishna Gudipati } 2202a36c61f9SKrishna Gudipati 22035fbe25c7SJing Huang /* 2204a36c61f9SKrishna Gudipati * Called to create a rport for which only the wwn is known. 2205a36c61f9SKrishna Gudipati * 2206a36c61f9SKrishna Gudipati * @param[in] port - base port 2207a36c61f9SKrishna Gudipati * @param[in] rpwwn - remote port wwn 2208a36c61f9SKrishna Gudipati * 2209a36c61f9SKrishna Gudipati * @return None 2210a36c61f9SKrishna Gudipati */ 2211a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s * 2212a36c61f9SKrishna Gudipati bfa_fcs_rport_create_by_wwn(struct bfa_fcs_lport_s *port, wwn_t rpwwn) 2213a36c61f9SKrishna Gudipati { 2214a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 2215a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rpwwn); 2216a36c61f9SKrishna Gudipati rport = bfa_fcs_rport_alloc(port, rpwwn, 0); 2217a36c61f9SKrishna Gudipati if (!rport) 2218a36c61f9SKrishna Gudipati return NULL; 2219a36c61f9SKrishna Gudipati 2220a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC); 2221a36c61f9SKrishna Gudipati return rport; 2222a36c61f9SKrishna Gudipati } 22235fbe25c7SJing Huang /* 2224a36c61f9SKrishna Gudipati * Called by bport in private loop topology to indicate that a 2225a36c61f9SKrishna Gudipati * rport has been discovered and plogi has been completed. 2226a36c61f9SKrishna Gudipati * 2227a36c61f9SKrishna Gudipati * @param[in] port - base port or vport 2228a36c61f9SKrishna Gudipati * @param[in] rpid - remote port ID 2229a36c61f9SKrishna Gudipati */ 2230a36c61f9SKrishna Gudipati void 2231a36c61f9SKrishna Gudipati bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, 2232a36c61f9SKrishna Gudipati struct fc_logi_s *plogi) 2233a36c61f9SKrishna Gudipati { 2234a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 2235a36c61f9SKrishna Gudipati 2236a36c61f9SKrishna Gudipati rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id); 2237a36c61f9SKrishna Gudipati if (!rport) 2238a36c61f9SKrishna Gudipati return; 2239a36c61f9SKrishna Gudipati 2240a36c61f9SKrishna Gudipati bfa_fcs_rport_update(rport, plogi); 2241a36c61f9SKrishna Gudipati 2242a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP); 2243a36c61f9SKrishna Gudipati } 2244a36c61f9SKrishna Gudipati 22455fbe25c7SJing Huang /* 2246a36c61f9SKrishna Gudipati * Called by bport/vport to handle PLOGI received from a new remote port. 2247a36c61f9SKrishna Gudipati * If an existing rport does a plogi, it will be handled separately. 2248a36c61f9SKrishna Gudipati */ 2249a36c61f9SKrishna Gudipati void 2250a36c61f9SKrishna Gudipati bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, 2251a36c61f9SKrishna Gudipati struct fc_logi_s *plogi) 2252a36c61f9SKrishna Gudipati { 2253a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 2254a36c61f9SKrishna Gudipati 2255a36c61f9SKrishna Gudipati rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id); 2256a36c61f9SKrishna Gudipati if (!rport) 2257a36c61f9SKrishna Gudipati return; 2258a36c61f9SKrishna Gudipati 2259a36c61f9SKrishna Gudipati bfa_fcs_rport_update(rport, plogi); 2260a36c61f9SKrishna Gudipati 2261a36c61f9SKrishna Gudipati rport->reply_oxid = fchs->ox_id; 2262a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->reply_oxid); 2263a36c61f9SKrishna Gudipati 2264a36c61f9SKrishna Gudipati rport->stats.plogi_rcvd++; 2265a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); 2266a36c61f9SKrishna Gudipati } 2267a36c61f9SKrishna Gudipati 22685fbe25c7SJing Huang /* 2269a36c61f9SKrishna Gudipati * Called by bport/vport to handle PLOGI received from an existing 2270a36c61f9SKrishna Gudipati * remote port. 2271a36c61f9SKrishna Gudipati */ 2272a36c61f9SKrishna Gudipati void 2273a36c61f9SKrishna Gudipati bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, 2274a36c61f9SKrishna Gudipati struct fc_logi_s *plogi) 2275a36c61f9SKrishna Gudipati { 22765fbe25c7SJing Huang /* 2277a36c61f9SKrishna Gudipati * @todo Handle P2P and initiator-initiator. 2278a36c61f9SKrishna Gudipati */ 2279a36c61f9SKrishna Gudipati 2280a36c61f9SKrishna Gudipati bfa_fcs_rport_update(rport, plogi); 2281a36c61f9SKrishna Gudipati 2282a36c61f9SKrishna Gudipati rport->reply_oxid = rx_fchs->ox_id; 2283a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->reply_oxid); 2284a36c61f9SKrishna Gudipati 2285d7be54ccSKrishna Gudipati rport->pid = rx_fchs->s_id; 2286d7be54ccSKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2287d7be54ccSKrishna Gudipati 2288a36c61f9SKrishna Gudipati rport->stats.plogi_rcvd++; 2289a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); 2290a36c61f9SKrishna Gudipati } 2291a36c61f9SKrishna Gudipati 2292a36c61f9SKrishna Gudipati 22935fbe25c7SJing Huang /* 2294a36c61f9SKrishna Gudipati * Called by bport/vport to notify SCN for the remote port 2295a36c61f9SKrishna Gudipati */ 2296a36c61f9SKrishna Gudipati void 2297a36c61f9SKrishna Gudipati bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) 2298a36c61f9SKrishna Gudipati { 2299a36c61f9SKrishna Gudipati rport->stats.rscns++; 2300a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_SCN); 2301a36c61f9SKrishna Gudipati } 2302a36c61f9SKrishna Gudipati 2303a36c61f9SKrishna Gudipati 23045fbe25c7SJing Huang /* 2305a36c61f9SKrishna Gudipati * brief 2306a36c61f9SKrishna Gudipati * This routine BFA callback for bfa_rport_online() call. 2307a36c61f9SKrishna Gudipati * 2308a36c61f9SKrishna Gudipati * param[in] cb_arg - rport struct. 2309a36c61f9SKrishna Gudipati * 2310a36c61f9SKrishna Gudipati * return 2311a36c61f9SKrishna Gudipati * void 2312a36c61f9SKrishna Gudipati * 2313a36c61f9SKrishna Gudipati * Special Considerations: 2314a36c61f9SKrishna Gudipati * 2315a36c61f9SKrishna Gudipati * note 2316a36c61f9SKrishna Gudipati */ 2317a36c61f9SKrishna Gudipati void 2318a36c61f9SKrishna Gudipati bfa_cb_rport_online(void *cbarg) 2319a36c61f9SKrishna Gudipati { 2320a36c61f9SKrishna Gudipati 2321a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 2322a36c61f9SKrishna Gudipati 2323a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2324a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE); 2325a36c61f9SKrishna Gudipati } 2326a36c61f9SKrishna Gudipati 23275fbe25c7SJing Huang /* 2328a36c61f9SKrishna Gudipati * brief 2329a36c61f9SKrishna Gudipati * This routine BFA callback for bfa_rport_offline() call. 2330a36c61f9SKrishna Gudipati * 2331a36c61f9SKrishna Gudipati * param[in] rport - 2332a36c61f9SKrishna Gudipati * 2333a36c61f9SKrishna Gudipati * return 2334a36c61f9SKrishna Gudipati * void 2335a36c61f9SKrishna Gudipati * 2336a36c61f9SKrishna Gudipati * Special Considerations: 2337a36c61f9SKrishna Gudipati * 2338a36c61f9SKrishna Gudipati * note 2339a36c61f9SKrishna Gudipati */ 2340a36c61f9SKrishna Gudipati void 2341a36c61f9SKrishna Gudipati bfa_cb_rport_offline(void *cbarg) 2342a36c61f9SKrishna Gudipati { 2343a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 2344a36c61f9SKrishna Gudipati 2345a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2346a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE); 2347a36c61f9SKrishna Gudipati } 2348a36c61f9SKrishna Gudipati 23495fbe25c7SJing Huang /* 2350a36c61f9SKrishna Gudipati * brief 2351a36c61f9SKrishna Gudipati * This routine is a static BFA callback when there is a QoS flow_id 2352a36c61f9SKrishna Gudipati * change notification 2353a36c61f9SKrishna Gudipati * 2354a36c61f9SKrishna Gudipati * param[in] rport - 2355a36c61f9SKrishna Gudipati * 2356a36c61f9SKrishna Gudipati * return 2357a36c61f9SKrishna Gudipati * void 2358a36c61f9SKrishna Gudipati * 2359a36c61f9SKrishna Gudipati * Special Considerations: 2360a36c61f9SKrishna Gudipati * 2361a36c61f9SKrishna Gudipati * note 2362a36c61f9SKrishna Gudipati */ 2363a36c61f9SKrishna Gudipati void 2364a36c61f9SKrishna Gudipati bfa_cb_rport_qos_scn_flowid(void *cbarg, 2365a36c61f9SKrishna Gudipati struct bfa_rport_qos_attr_s old_qos_attr, 2366a36c61f9SKrishna Gudipati struct bfa_rport_qos_attr_s new_qos_attr) 2367a36c61f9SKrishna Gudipati { 2368a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 2369a36c61f9SKrishna Gudipati 2370a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2371a36c61f9SKrishna Gudipati } 2372a36c61f9SKrishna Gudipati 23735fbe25c7SJing Huang /* 2374a36c61f9SKrishna Gudipati * brief 2375a36c61f9SKrishna Gudipati * This routine is a static BFA callback when there is a QoS priority 2376a36c61f9SKrishna Gudipati * change notification 2377a36c61f9SKrishna Gudipati * 2378a36c61f9SKrishna Gudipati * param[in] rport - 2379a36c61f9SKrishna Gudipati * 2380a36c61f9SKrishna Gudipati * return 2381a36c61f9SKrishna Gudipati * void 2382a36c61f9SKrishna Gudipati * 2383a36c61f9SKrishna Gudipati * Special Considerations: 2384a36c61f9SKrishna Gudipati * 2385a36c61f9SKrishna Gudipati * note 2386a36c61f9SKrishna Gudipati */ 2387a36c61f9SKrishna Gudipati void 2388a36c61f9SKrishna Gudipati bfa_cb_rport_qos_scn_prio(void *cbarg, 2389a36c61f9SKrishna Gudipati struct bfa_rport_qos_attr_s old_qos_attr, 2390a36c61f9SKrishna Gudipati struct bfa_rport_qos_attr_s new_qos_attr) 2391a36c61f9SKrishna Gudipati { 2392a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 2393a36c61f9SKrishna Gudipati 2394a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2395a36c61f9SKrishna Gudipati } 2396a36c61f9SKrishna Gudipati 23975fbe25c7SJing Huang /* 2398a36c61f9SKrishna Gudipati * Called to process any unsolicted frames from this remote port 2399a36c61f9SKrishna Gudipati */ 2400a36c61f9SKrishna Gudipati void 2401a36c61f9SKrishna Gudipati bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, 2402a36c61f9SKrishna Gudipati struct fchs_s *fchs, u16 len) 2403a36c61f9SKrishna Gudipati { 2404a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 2405a36c61f9SKrishna Gudipati struct fc_els_cmd_s *els_cmd; 2406a36c61f9SKrishna Gudipati 2407a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, fchs->s_id); 2408a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, fchs->d_id); 2409a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, fchs->type); 2410a36c61f9SKrishna Gudipati 2411a36c61f9SKrishna Gudipati if (fchs->type != FC_TYPE_ELS) 2412a36c61f9SKrishna Gudipati return; 2413a36c61f9SKrishna Gudipati 2414a36c61f9SKrishna Gudipati els_cmd = (struct fc_els_cmd_s *) (fchs + 1); 2415a36c61f9SKrishna Gudipati 2416a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, els_cmd->els_code); 2417a36c61f9SKrishna Gudipati 2418a36c61f9SKrishna Gudipati switch (els_cmd->els_code) { 2419a36c61f9SKrishna Gudipati case FC_ELS_LOGO: 2420a36c61f9SKrishna Gudipati bfa_stats(port, plogi_rcvd); 2421a36c61f9SKrishna Gudipati bfa_fcs_rport_process_logo(rport, fchs); 2422a36c61f9SKrishna Gudipati break; 2423a36c61f9SKrishna Gudipati 2424a36c61f9SKrishna Gudipati case FC_ELS_ADISC: 2425a36c61f9SKrishna Gudipati bfa_stats(port, adisc_rcvd); 2426a36c61f9SKrishna Gudipati bfa_fcs_rport_process_adisc(rport, fchs, len); 2427a36c61f9SKrishna Gudipati break; 2428a36c61f9SKrishna Gudipati 2429a36c61f9SKrishna Gudipati case FC_ELS_PRLO: 2430a36c61f9SKrishna Gudipati bfa_stats(port, prlo_rcvd); 2431a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_initiator(port)) 2432a36c61f9SKrishna Gudipati bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len); 2433a36c61f9SKrishna Gudipati break; 2434a36c61f9SKrishna Gudipati 2435a36c61f9SKrishna Gudipati case FC_ELS_PRLI: 2436a36c61f9SKrishna Gudipati bfa_stats(port, prli_rcvd); 2437a36c61f9SKrishna Gudipati bfa_fcs_rport_process_prli(rport, fchs, len); 2438a36c61f9SKrishna Gudipati break; 2439a36c61f9SKrishna Gudipati 2440a36c61f9SKrishna Gudipati case FC_ELS_RPSC: 2441a36c61f9SKrishna Gudipati bfa_stats(port, rpsc_rcvd); 2442a36c61f9SKrishna Gudipati bfa_fcs_rport_process_rpsc(rport, fchs, len); 2443a36c61f9SKrishna Gudipati break; 2444a36c61f9SKrishna Gudipati 2445a36c61f9SKrishna Gudipati default: 2446a36c61f9SKrishna Gudipati bfa_stats(port, un_handled_els_rcvd); 2447a36c61f9SKrishna Gudipati bfa_fcs_rport_send_ls_rjt(rport, fchs, 2448a36c61f9SKrishna Gudipati FC_LS_RJT_RSN_CMD_NOT_SUPP, 2449a36c61f9SKrishna Gudipati FC_LS_RJT_EXP_NO_ADDL_INFO); 2450a36c61f9SKrishna Gudipati break; 2451a36c61f9SKrishna Gudipati } 2452a36c61f9SKrishna Gudipati } 2453a36c61f9SKrishna Gudipati 2454a36c61f9SKrishna Gudipati /* send best case acc to prlo */ 2455a36c61f9SKrishna Gudipati static void 2456a36c61f9SKrishna Gudipati bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport) 2457a36c61f9SKrishna Gudipati { 2458a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 2459a36c61f9SKrishna Gudipati struct fchs_s fchs; 2460a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 2461a36c61f9SKrishna Gudipati int len; 2462a36c61f9SKrishna Gudipati 2463a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2464a36c61f9SKrishna Gudipati 2465a36c61f9SKrishna Gudipati fcxp = bfa_fcs_fcxp_alloc(port->fcs); 2466a36c61f9SKrishna Gudipati if (!fcxp) 2467a36c61f9SKrishna Gudipati return; 2468a36c61f9SKrishna Gudipati len = fc_prlo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 2469a36c61f9SKrishna Gudipati rport->pid, bfa_fcs_lport_get_fcid(port), 2470a36c61f9SKrishna Gudipati rport->reply_oxid, 0); 2471a36c61f9SKrishna Gudipati 2472a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id, 2473a36c61f9SKrishna Gudipati port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, 2474a36c61f9SKrishna Gudipati NULL, NULL, FC_MAX_PDUSZ, 0); 2475a36c61f9SKrishna Gudipati } 2476a36c61f9SKrishna Gudipati 2477a36c61f9SKrishna Gudipati /* 2478a36c61f9SKrishna Gudipati * Send a LS reject 2479a36c61f9SKrishna Gudipati */ 2480a36c61f9SKrishna Gudipati static void 2481a36c61f9SKrishna Gudipati bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, 2482a36c61f9SKrishna Gudipati u8 reason_code, u8 reason_code_expl) 2483a36c61f9SKrishna Gudipati { 2484a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 2485a36c61f9SKrishna Gudipati struct fchs_s fchs; 2486a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 2487a36c61f9SKrishna Gudipati int len; 2488a36c61f9SKrishna Gudipati 2489a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rx_fchs->s_id); 2490a36c61f9SKrishna Gudipati 2491a36c61f9SKrishna Gudipati fcxp = bfa_fcs_fcxp_alloc(rport->fcs); 2492a36c61f9SKrishna Gudipati if (!fcxp) 2493a36c61f9SKrishna Gudipati return; 2494a36c61f9SKrishna Gudipati 2495a36c61f9SKrishna Gudipati len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 2496a36c61f9SKrishna Gudipati rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), 2497a36c61f9SKrishna Gudipati rx_fchs->ox_id, reason_code, reason_code_expl); 2498a36c61f9SKrishna Gudipati 2499a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, 2500a36c61f9SKrishna Gudipati BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, 2501a36c61f9SKrishna Gudipati FC_MAX_PDUSZ, 0); 2502a36c61f9SKrishna Gudipati } 2503a36c61f9SKrishna Gudipati 25045fbe25c7SJing Huang /* 2505a36c61f9SKrishna Gudipati * Return state of rport. 2506a36c61f9SKrishna Gudipati */ 2507a36c61f9SKrishna Gudipati int 2508a36c61f9SKrishna Gudipati bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) 2509a36c61f9SKrishna Gudipati { 2510a36c61f9SKrishna Gudipati return bfa_sm_to_state(rport_sm_table, rport->sm); 2511a36c61f9SKrishna Gudipati } 2512a36c61f9SKrishna Gudipati 2513f7f73812SMaggie Zhang 25145fbe25c7SJing Huang /* 2515a36c61f9SKrishna Gudipati * brief 2516a36c61f9SKrishna Gudipati * Called by the Driver to set rport delete/ageout timeout 2517a36c61f9SKrishna Gudipati * 2518a36c61f9SKrishna Gudipati * param[in] rport timeout value in seconds. 2519a36c61f9SKrishna Gudipati * 2520a36c61f9SKrishna Gudipati * return None 2521a36c61f9SKrishna Gudipati */ 2522a36c61f9SKrishna Gudipati void 2523a36c61f9SKrishna Gudipati bfa_fcs_rport_set_del_timeout(u8 rport_tmo) 2524a36c61f9SKrishna Gudipati { 2525a36c61f9SKrishna Gudipati /* convert to Millisecs */ 2526a36c61f9SKrishna Gudipati if (rport_tmo > 0) 2527a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout = rport_tmo * 1000; 2528a36c61f9SKrishna Gudipati } 2529a36c61f9SKrishna Gudipati void 253050444a34SMaggie bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id) 2531a36c61f9SKrishna Gudipati { 2532a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2533a36c61f9SKrishna Gudipati 2534a36c61f9SKrishna Gudipati rport->prlo = BFA_TRUE; 2535a36c61f9SKrishna Gudipati rport->reply_oxid = ox_id; 2536a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_PRLO_RCVD); 2537a36c61f9SKrishna Gudipati } 2538a36c61f9SKrishna Gudipati 253960138066SKrishna Gudipati void 254060138066SKrishna Gudipati bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, 254160138066SKrishna Gudipati struct bfa_rport_attr_s *rport_attr) 254260138066SKrishna Gudipati { 254360138066SKrishna Gudipati struct bfa_rport_qos_attr_s qos_attr; 254460138066SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 254560138066SKrishna Gudipati bfa_port_speed_t rport_speed = rport->rpf.rpsc_speed; 2546a36c61f9SKrishna Gudipati 254760138066SKrishna Gudipati memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s)); 254860138066SKrishna Gudipati memset(&qos_attr, 0, sizeof(struct bfa_rport_qos_attr_s)); 254960138066SKrishna Gudipati 255060138066SKrishna Gudipati rport_attr->pid = rport->pid; 255160138066SKrishna Gudipati rport_attr->pwwn = rport->pwwn; 255260138066SKrishna Gudipati rport_attr->nwwn = rport->nwwn; 255360138066SKrishna Gudipati rport_attr->cos_supported = rport->fc_cos; 255460138066SKrishna Gudipati rport_attr->df_sz = rport->maxfrsize; 255560138066SKrishna Gudipati rport_attr->state = bfa_fcs_rport_get_state(rport); 255660138066SKrishna Gudipati rport_attr->fc_cos = rport->fc_cos; 255760138066SKrishna Gudipati rport_attr->cisc = rport->cisc; 255860138066SKrishna Gudipati rport_attr->scsi_function = rport->scsi_function; 255960138066SKrishna Gudipati rport_attr->curr_speed = rport->rpf.rpsc_speed; 256060138066SKrishna Gudipati rport_attr->assigned_speed = rport->rpf.assigned_speed; 256160138066SKrishna Gudipati 256260138066SKrishna Gudipati qos_attr.qos_priority = rport->bfa_rport->qos_attr.qos_priority; 256360138066SKrishna Gudipati qos_attr.qos_flow_id = 256460138066SKrishna Gudipati cpu_to_be32(rport->bfa_rport->qos_attr.qos_flow_id); 256560138066SKrishna Gudipati rport_attr->qos_attr = qos_attr; 256660138066SKrishna Gudipati 256760138066SKrishna Gudipati rport_attr->trl_enforced = BFA_FALSE; 256860138066SKrishna Gudipati if (bfa_fcport_is_ratelim(port->fcs->bfa) && 256960138066SKrishna Gudipati (rport->scsi_function == BFA_RPORT_TARGET)) { 257060138066SKrishna Gudipati if (rport_speed == BFA_PORT_SPEED_UNKNOWN) 257160138066SKrishna Gudipati rport_speed = 257260138066SKrishna Gudipati bfa_fcport_get_ratelim_speed(rport->fcs->bfa); 257360138066SKrishna Gudipati 257460138066SKrishna Gudipati if (rport_speed < bfa_fcs_lport_get_rport_max_speed(port)) 257560138066SKrishna Gudipati rport_attr->trl_enforced = BFA_TRUE; 257660138066SKrishna Gudipati } 257760138066SKrishna Gudipati } 2578a36c61f9SKrishna Gudipati 25795fbe25c7SJing Huang /* 2580a36c61f9SKrishna Gudipati * Remote port implementation. 2581a36c61f9SKrishna Gudipati */ 2582a36c61f9SKrishna Gudipati 25835fbe25c7SJing Huang /* 2584a36c61f9SKrishna Gudipati * fcs_rport_api FCS rport API. 2585a36c61f9SKrishna Gudipati */ 2586a36c61f9SKrishna Gudipati 2587a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s * 2588a36c61f9SKrishna Gudipati bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, wwn_t rpwwn) 2589a36c61f9SKrishna Gudipati { 2590a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 2591a36c61f9SKrishna Gudipati 2592a36c61f9SKrishna Gudipati rport = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); 2593a36c61f9SKrishna Gudipati if (rport == NULL) { 2594a36c61f9SKrishna Gudipati /* 2595a36c61f9SKrishna Gudipati * TBD Error handling 2596a36c61f9SKrishna Gudipati */ 2597a36c61f9SKrishna Gudipati } 2598a36c61f9SKrishna Gudipati 2599a36c61f9SKrishna Gudipati return rport; 2600a36c61f9SKrishna Gudipati } 2601a36c61f9SKrishna Gudipati 2602a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s * 2603a36c61f9SKrishna Gudipati bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t rnwwn) 2604a36c61f9SKrishna Gudipati { 2605a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 2606a36c61f9SKrishna Gudipati 2607a36c61f9SKrishna Gudipati rport = bfa_fcs_lport_get_rport_by_nwwn(port, rnwwn); 2608a36c61f9SKrishna Gudipati if (rport == NULL) { 2609a36c61f9SKrishna Gudipati /* 2610a36c61f9SKrishna Gudipati * TBD Error handling 2611a36c61f9SKrishna Gudipati */ 2612a36c61f9SKrishna Gudipati } 2613a36c61f9SKrishna Gudipati 2614a36c61f9SKrishna Gudipati return rport; 2615a36c61f9SKrishna Gudipati } 2616a36c61f9SKrishna Gudipati 2617a36c61f9SKrishna Gudipati /* 2618a36c61f9SKrishna Gudipati * Remote port features (RPF) implementation. 2619a36c61f9SKrishna Gudipati */ 2620a36c61f9SKrishna Gudipati 2621a36c61f9SKrishna Gudipati #define BFA_FCS_RPF_RETRIES (3) 2622a36c61f9SKrishna Gudipati #define BFA_FCS_RPF_RETRY_TIMEOUT (1000) /* 1 sec (In millisecs) */ 2623a36c61f9SKrishna Gudipati 2624a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_send_rpsc2(void *rport_cbarg, 2625a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp_alloced); 2626a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_rpsc2_response(void *fcsarg, 2627a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp, 2628a36c61f9SKrishna Gudipati void *cbarg, 2629a36c61f9SKrishna Gudipati bfa_status_t req_status, 2630a36c61f9SKrishna Gudipati u32 rsp_len, 2631a36c61f9SKrishna Gudipati u32 resid_len, 2632a36c61f9SKrishna Gudipati struct fchs_s *rsp_fchs); 2633a36c61f9SKrishna Gudipati 2634a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_timeout(void *arg); 2635a36c61f9SKrishna Gudipati 26365fbe25c7SJing Huang /* 2637a36c61f9SKrishna Gudipati * fcs_rport_ftrs_sm FCS rport state machine events 2638a36c61f9SKrishna Gudipati */ 2639a36c61f9SKrishna Gudipati 2640a36c61f9SKrishna Gudipati enum rpf_event { 2641a36c61f9SKrishna Gudipati RPFSM_EVENT_RPORT_OFFLINE = 1, /* Rport offline */ 2642a36c61f9SKrishna Gudipati RPFSM_EVENT_RPORT_ONLINE = 2, /* Rport online */ 2643a36c61f9SKrishna Gudipati RPFSM_EVENT_FCXP_SENT = 3, /* Frame from has been sent */ 2644a36c61f9SKrishna Gudipati RPFSM_EVENT_TIMEOUT = 4, /* Rport SM timeout event */ 2645a36c61f9SKrishna Gudipati RPFSM_EVENT_RPSC_COMP = 5, 2646a36c61f9SKrishna Gudipati RPFSM_EVENT_RPSC_FAIL = 6, 2647a36c61f9SKrishna Gudipati RPFSM_EVENT_RPSC_ERROR = 7, 2648a36c61f9SKrishna Gudipati }; 2649a36c61f9SKrishna Gudipati 2650a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, 2651a36c61f9SKrishna Gudipati enum rpf_event event); 2652a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, 2653a36c61f9SKrishna Gudipati enum rpf_event event); 2654a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, 2655a36c61f9SKrishna Gudipati enum rpf_event event); 2656a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, 2657a36c61f9SKrishna Gudipati enum rpf_event event); 2658a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, 2659a36c61f9SKrishna Gudipati enum rpf_event event); 2660a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, 2661a36c61f9SKrishna Gudipati enum rpf_event event); 2662a36c61f9SKrishna Gudipati 2663a36c61f9SKrishna Gudipati static void 2664a36c61f9SKrishna Gudipati bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) 2665a36c61f9SKrishna Gudipati { 2666a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2667a36c61f9SKrishna Gudipati struct bfa_fcs_fabric_s *fabric = &rport->fcs->fabric; 2668a36c61f9SKrishna Gudipati 2669a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2670a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2671a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 2672a36c61f9SKrishna Gudipati 2673a36c61f9SKrishna Gudipati switch (event) { 2674a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_ONLINE: 2675a36c61f9SKrishna Gudipati /* Send RPSC2 to a Brocade fabric only. */ 2676a36c61f9SKrishna Gudipati if ((!BFA_FCS_PID_IS_WKA(rport->pid)) && 2677f7f73812SMaggie Zhang ((rport->port->fabric->lps->brcd_switch) || 2678a36c61f9SKrishna Gudipati (bfa_fcs_fabric_get_switch_oui(fabric) == 2679a36c61f9SKrishna Gudipati BFA_FCS_BRCD_SWITCH_OUI))) { 2680a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); 2681a36c61f9SKrishna Gudipati rpf->rpsc_retries = 0; 2682a36c61f9SKrishna Gudipati bfa_fcs_rpf_send_rpsc2(rpf, NULL); 2683a36c61f9SKrishna Gudipati } 2684a36c61f9SKrishna Gudipati break; 2685a36c61f9SKrishna Gudipati 2686a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_OFFLINE: 2687a36c61f9SKrishna Gudipati break; 2688a36c61f9SKrishna Gudipati 2689a36c61f9SKrishna Gudipati default: 2690a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 2691a36c61f9SKrishna Gudipati } 2692a36c61f9SKrishna Gudipati } 2693a36c61f9SKrishna Gudipati 2694a36c61f9SKrishna Gudipati static void 2695a36c61f9SKrishna Gudipati bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) 2696a36c61f9SKrishna Gudipati { 2697a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2698a36c61f9SKrishna Gudipati 2699a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 2700a36c61f9SKrishna Gudipati 2701a36c61f9SKrishna Gudipati switch (event) { 2702a36c61f9SKrishna Gudipati case RPFSM_EVENT_FCXP_SENT: 2703a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc); 2704a36c61f9SKrishna Gudipati break; 2705a36c61f9SKrishna Gudipati 2706a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_OFFLINE: 2707a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); 2708a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rpf->fcxp_wqe); 2709a36c61f9SKrishna Gudipati rpf->rpsc_retries = 0; 2710a36c61f9SKrishna Gudipati break; 2711a36c61f9SKrishna Gudipati 2712a36c61f9SKrishna Gudipati default: 2713a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 2714a36c61f9SKrishna Gudipati } 2715a36c61f9SKrishna Gudipati } 2716a36c61f9SKrishna Gudipati 2717a36c61f9SKrishna Gudipati static void 2718a36c61f9SKrishna Gudipati bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) 2719a36c61f9SKrishna Gudipati { 2720a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2721a36c61f9SKrishna Gudipati 2722a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2723a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 2724a36c61f9SKrishna Gudipati 2725a36c61f9SKrishna Gudipati switch (event) { 2726a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPSC_COMP: 2727a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); 2728a36c61f9SKrishna Gudipati /* Update speed info in f/w via BFA */ 2729a36c61f9SKrishna Gudipati if (rpf->rpsc_speed != BFA_PORT_SPEED_UNKNOWN) 2730a36c61f9SKrishna Gudipati bfa_rport_speed(rport->bfa_rport, rpf->rpsc_speed); 2731a36c61f9SKrishna Gudipati else if (rpf->assigned_speed != BFA_PORT_SPEED_UNKNOWN) 2732a36c61f9SKrishna Gudipati bfa_rport_speed(rport->bfa_rport, rpf->assigned_speed); 2733a36c61f9SKrishna Gudipati break; 2734a36c61f9SKrishna Gudipati 2735a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPSC_FAIL: 2736a36c61f9SKrishna Gudipati /* RPSC not supported by rport */ 2737a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); 2738a36c61f9SKrishna Gudipati break; 2739a36c61f9SKrishna Gudipati 2740a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPSC_ERROR: 2741a36c61f9SKrishna Gudipati /* need to retry...delayed a bit. */ 2742a36c61f9SKrishna Gudipati if (rpf->rpsc_retries++ < BFA_FCS_RPF_RETRIES) { 2743a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rpf->timer, 2744a36c61f9SKrishna Gudipati bfa_fcs_rpf_timeout, rpf, 2745a36c61f9SKrishna Gudipati BFA_FCS_RPF_RETRY_TIMEOUT); 2746a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_retry); 2747a36c61f9SKrishna Gudipati } else { 2748a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); 2749a36c61f9SKrishna Gudipati } 2750a36c61f9SKrishna Gudipati break; 2751a36c61f9SKrishna Gudipati 2752a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_OFFLINE: 2753a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); 2754a36c61f9SKrishna Gudipati bfa_fcxp_discard(rpf->fcxp); 2755a36c61f9SKrishna Gudipati rpf->rpsc_retries = 0; 2756a36c61f9SKrishna Gudipati break; 2757a36c61f9SKrishna Gudipati 2758a36c61f9SKrishna Gudipati default: 2759a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 2760a36c61f9SKrishna Gudipati } 2761a36c61f9SKrishna Gudipati } 2762a36c61f9SKrishna Gudipati 2763a36c61f9SKrishna Gudipati static void 2764a36c61f9SKrishna Gudipati bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) 2765a36c61f9SKrishna Gudipati { 2766a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2767a36c61f9SKrishna Gudipati 2768a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2769a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 2770a36c61f9SKrishna Gudipati 2771a36c61f9SKrishna Gudipati switch (event) { 2772a36c61f9SKrishna Gudipati case RPFSM_EVENT_TIMEOUT: 2773a36c61f9SKrishna Gudipati /* re-send the RPSC */ 2774a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); 2775a36c61f9SKrishna Gudipati bfa_fcs_rpf_send_rpsc2(rpf, NULL); 2776a36c61f9SKrishna Gudipati break; 2777a36c61f9SKrishna Gudipati 2778a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_OFFLINE: 2779a36c61f9SKrishna Gudipati bfa_timer_stop(&rpf->timer); 2780a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); 2781a36c61f9SKrishna Gudipati rpf->rpsc_retries = 0; 2782a36c61f9SKrishna Gudipati break; 2783a36c61f9SKrishna Gudipati 2784a36c61f9SKrishna Gudipati default: 2785a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 2786a36c61f9SKrishna Gudipati } 2787a36c61f9SKrishna Gudipati } 2788a36c61f9SKrishna Gudipati 2789a36c61f9SKrishna Gudipati static void 2790a36c61f9SKrishna Gudipati bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) 2791a36c61f9SKrishna Gudipati { 2792a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2793a36c61f9SKrishna Gudipati 2794a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2795a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2796a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 2797a36c61f9SKrishna Gudipati 2798a36c61f9SKrishna Gudipati switch (event) { 2799a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_OFFLINE: 2800a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); 2801a36c61f9SKrishna Gudipati rpf->rpsc_retries = 0; 2802a36c61f9SKrishna Gudipati break; 2803a36c61f9SKrishna Gudipati 2804a36c61f9SKrishna Gudipati default: 2805a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 2806a36c61f9SKrishna Gudipati } 2807a36c61f9SKrishna Gudipati } 2808a36c61f9SKrishna Gudipati 2809a36c61f9SKrishna Gudipati static void 2810a36c61f9SKrishna Gudipati bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) 2811a36c61f9SKrishna Gudipati { 2812a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2813a36c61f9SKrishna Gudipati 2814a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2815a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2816a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 2817a36c61f9SKrishna Gudipati 2818a36c61f9SKrishna Gudipati switch (event) { 2819a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_ONLINE: 2820a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); 2821a36c61f9SKrishna Gudipati bfa_fcs_rpf_send_rpsc2(rpf, NULL); 2822a36c61f9SKrishna Gudipati break; 2823a36c61f9SKrishna Gudipati 2824a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_OFFLINE: 2825a36c61f9SKrishna Gudipati break; 2826a36c61f9SKrishna Gudipati 2827a36c61f9SKrishna Gudipati default: 2828a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 2829a36c61f9SKrishna Gudipati } 2830a36c61f9SKrishna Gudipati } 28315fbe25c7SJing Huang /* 2832a36c61f9SKrishna Gudipati * Called when Rport is created. 2833a36c61f9SKrishna Gudipati */ 2834a36c61f9SKrishna Gudipati void 2835a36c61f9SKrishna Gudipati bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport) 2836a36c61f9SKrishna Gudipati { 2837a36c61f9SKrishna Gudipati struct bfa_fcs_rpf_s *rpf = &rport->rpf; 2838a36c61f9SKrishna Gudipati 2839a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2840a36c61f9SKrishna Gudipati rpf->rport = rport; 2841a36c61f9SKrishna Gudipati 2842a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_uninit); 2843a36c61f9SKrishna Gudipati } 2844a36c61f9SKrishna Gudipati 28455fbe25c7SJing Huang /* 2846a36c61f9SKrishna Gudipati * Called when Rport becomes online 2847a36c61f9SKrishna Gudipati */ 2848a36c61f9SKrishna Gudipati void 2849a36c61f9SKrishna Gudipati bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport) 2850a36c61f9SKrishna Gudipati { 2851a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2852a36c61f9SKrishna Gudipati 2853a36c61f9SKrishna Gudipati if (__fcs_min_cfg(rport->port->fcs)) 2854a36c61f9SKrishna Gudipati return; 2855a36c61f9SKrishna Gudipati 2856a36c61f9SKrishna Gudipati if (bfa_fcs_fabric_is_switched(rport->port->fabric)) 2857a36c61f9SKrishna Gudipati bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_ONLINE); 2858a36c61f9SKrishna Gudipati } 2859a36c61f9SKrishna Gudipati 28605fbe25c7SJing Huang /* 2861a36c61f9SKrishna Gudipati * Called when Rport becomes offline 2862a36c61f9SKrishna Gudipati */ 2863a36c61f9SKrishna Gudipati void 2864a36c61f9SKrishna Gudipati bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport) 2865a36c61f9SKrishna Gudipati { 2866a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2867a36c61f9SKrishna Gudipati 2868a36c61f9SKrishna Gudipati if (__fcs_min_cfg(rport->port->fcs)) 2869a36c61f9SKrishna Gudipati return; 2870a36c61f9SKrishna Gudipati 2871a36c61f9SKrishna Gudipati rport->rpf.rpsc_speed = 0; 2872a36c61f9SKrishna Gudipati bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_OFFLINE); 2873a36c61f9SKrishna Gudipati } 2874a36c61f9SKrishna Gudipati 2875a36c61f9SKrishna Gudipati static void 2876a36c61f9SKrishna Gudipati bfa_fcs_rpf_timeout(void *arg) 2877a36c61f9SKrishna Gudipati { 2878a36c61f9SKrishna Gudipati struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) arg; 2879a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2880a36c61f9SKrishna Gudipati 2881a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2882a36c61f9SKrishna Gudipati bfa_sm_send_event(rpf, RPFSM_EVENT_TIMEOUT); 2883a36c61f9SKrishna Gudipati } 2884a36c61f9SKrishna Gudipati 2885a36c61f9SKrishna Gudipati static void 2886a36c61f9SKrishna Gudipati bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced) 2887a36c61f9SKrishna Gudipati { 2888a36c61f9SKrishna Gudipati struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *)rpf_cbarg; 2889a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2890a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 2891a36c61f9SKrishna Gudipati struct fchs_s fchs; 2892a36c61f9SKrishna Gudipati int len; 2893a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 2894a36c61f9SKrishna Gudipati 2895a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2896a36c61f9SKrishna Gudipati 2897a36c61f9SKrishna Gudipati fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); 2898a36c61f9SKrishna Gudipati if (!fcxp) { 2899a36c61f9SKrishna Gudipati bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rpf->fcxp_wqe, 2900a36c61f9SKrishna Gudipati bfa_fcs_rpf_send_rpsc2, rpf); 2901a36c61f9SKrishna Gudipati return; 2902a36c61f9SKrishna Gudipati } 2903a36c61f9SKrishna Gudipati rpf->fcxp = fcxp; 2904a36c61f9SKrishna Gudipati 2905a36c61f9SKrishna Gudipati len = fc_rpsc2_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, 2906a36c61f9SKrishna Gudipati bfa_fcs_lport_get_fcid(port), &rport->pid, 1); 2907a36c61f9SKrishna Gudipati 2908a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 2909a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, bfa_fcs_rpf_rpsc2_response, 2910a36c61f9SKrishna Gudipati rpf, FC_MAX_PDUSZ, FC_ELS_TOV); 2911a36c61f9SKrishna Gudipati rport->stats.rpsc_sent++; 2912a36c61f9SKrishna Gudipati bfa_sm_send_event(rpf, RPFSM_EVENT_FCXP_SENT); 2913a36c61f9SKrishna Gudipati 2914a36c61f9SKrishna Gudipati } 2915a36c61f9SKrishna Gudipati 2916a36c61f9SKrishna Gudipati static void 2917a36c61f9SKrishna Gudipati bfa_fcs_rpf_rpsc2_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, 2918a36c61f9SKrishna Gudipati bfa_status_t req_status, u32 rsp_len, 2919a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rsp_fchs) 2920a36c61f9SKrishna Gudipati { 2921a36c61f9SKrishna Gudipati struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) cbarg; 2922a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2923a36c61f9SKrishna Gudipati struct fc_ls_rjt_s *ls_rjt; 2924a36c61f9SKrishna Gudipati struct fc_rpsc2_acc_s *rpsc2_acc; 2925a36c61f9SKrishna Gudipati u16 num_ents; 2926a36c61f9SKrishna Gudipati 2927a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, req_status); 2928a36c61f9SKrishna Gudipati 2929a36c61f9SKrishna Gudipati if (req_status != BFA_STATUS_OK) { 2930a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, req_status); 2931a36c61f9SKrishna Gudipati if (req_status == BFA_STATUS_ETIMER) 2932a36c61f9SKrishna Gudipati rport->stats.rpsc_failed++; 2933a36c61f9SKrishna Gudipati bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); 2934a36c61f9SKrishna Gudipati return; 2935a36c61f9SKrishna Gudipati } 2936a36c61f9SKrishna Gudipati 2937a36c61f9SKrishna Gudipati rpsc2_acc = (struct fc_rpsc2_acc_s *) BFA_FCXP_RSP_PLD(fcxp); 2938a36c61f9SKrishna Gudipati if (rpsc2_acc->els_cmd == FC_ELS_ACC) { 2939a36c61f9SKrishna Gudipati rport->stats.rpsc_accs++; 2940ba816ea8SJing Huang num_ents = be16_to_cpu(rpsc2_acc->num_pids); 2941a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, num_ents); 2942a36c61f9SKrishna Gudipati if (num_ents > 0) { 2943d4b671c5SJing Huang WARN_ON(rpsc2_acc->port_info[0].pid == rport->pid); 2944a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, 2945ba816ea8SJing Huang be16_to_cpu(rpsc2_acc->port_info[0].pid)); 2946a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, 2947ba816ea8SJing Huang be16_to_cpu(rpsc2_acc->port_info[0].speed)); 2948a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, 2949ba816ea8SJing Huang be16_to_cpu(rpsc2_acc->port_info[0].index)); 2950a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, 2951a36c61f9SKrishna Gudipati rpsc2_acc->port_info[0].type); 2952a36c61f9SKrishna Gudipati 2953a36c61f9SKrishna Gudipati if (rpsc2_acc->port_info[0].speed == 0) { 2954a36c61f9SKrishna Gudipati bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); 2955a36c61f9SKrishna Gudipati return; 2956a36c61f9SKrishna Gudipati } 2957a36c61f9SKrishna Gudipati 2958a36c61f9SKrishna Gudipati rpf->rpsc_speed = fc_rpsc_operspeed_to_bfa_speed( 2959ba816ea8SJing Huang be16_to_cpu(rpsc2_acc->port_info[0].speed)); 2960a36c61f9SKrishna Gudipati 2961a36c61f9SKrishna Gudipati bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_COMP); 2962a36c61f9SKrishna Gudipati } 2963a36c61f9SKrishna Gudipati } else { 2964a36c61f9SKrishna Gudipati ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); 2965a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, ls_rjt->reason_code); 2966a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, ls_rjt->reason_code_expl); 2967a36c61f9SKrishna Gudipati rport->stats.rpsc_rejects++; 2968a36c61f9SKrishna Gudipati if (ls_rjt->reason_code == FC_LS_RJT_RSN_CMD_NOT_SUPP) 2969a36c61f9SKrishna Gudipati bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_FAIL); 2970a36c61f9SKrishna Gudipati else 2971a36c61f9SKrishna Gudipati bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); 2972a36c61f9SKrishna Gudipati } 2973a36c61f9SKrishna Gudipati } 2974