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 22a36c61f9SKrishna Gudipati #include "bfa_fcs.h" 23a36c61f9SKrishna Gudipati #include "bfa_fcbuild.h" 24a36c61f9SKrishna Gudipati #include "bfad_drv.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); 785fbe25c7SJing Huang /* 79a36c61f9SKrishna Gudipati * fcs_rport_sm FCS rport state machine events 80a36c61f9SKrishna Gudipati */ 81a36c61f9SKrishna Gudipati 82a36c61f9SKrishna Gudipati enum rport_event { 83a36c61f9SKrishna Gudipati RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ 84a36c61f9SKrishna Gudipati RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ 85a36c61f9SKrishna Gudipati RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ 86a36c61f9SKrishna Gudipati RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ 87a36c61f9SKrishna Gudipati RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ 88a36c61f9SKrishna Gudipati RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ 89a36c61f9SKrishna Gudipati RPSM_EVENT_DELETE = 7, /* RPORT delete request */ 90a36c61f9SKrishna Gudipati RPSM_EVENT_SCN = 8, /* state change notification */ 91a36c61f9SKrishna Gudipati RPSM_EVENT_ACCEPTED = 9, /* Good response from remote device */ 92a36c61f9SKrishna Gudipati RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ 93a36c61f9SKrishna Gudipati RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ 94a36c61f9SKrishna Gudipati RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ 95a36c61f9SKrishna Gudipati RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ 96a36c61f9SKrishna Gudipati RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ 97a36c61f9SKrishna Gudipati RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ 98a36c61f9SKrishna Gudipati RPSM_EVENT_ADDRESS_DISC = 16, /* Need to Discover rport's PID */ 99a36c61f9SKrishna Gudipati RPSM_EVENT_PRLO_RCVD = 17, /* PRLO from remote device */ 100a36c61f9SKrishna Gudipati RPSM_EVENT_PLOGI_RETRY = 18, /* Retry PLOGI continously */ 101a36c61f9SKrishna Gudipati }; 102a36c61f9SKrishna Gudipati 103a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, 104a36c61f9SKrishna Gudipati enum rport_event event); 105a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, 106a36c61f9SKrishna Gudipati enum rport_event event); 107a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, 108a36c61f9SKrishna Gudipati enum rport_event event); 109a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, 110a36c61f9SKrishna Gudipati enum rport_event event); 111a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, 112a36c61f9SKrishna Gudipati enum rport_event event); 113a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, 114a36c61f9SKrishna Gudipati enum rport_event event); 115a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, 116a36c61f9SKrishna Gudipati enum rport_event event); 117a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, 118a36c61f9SKrishna Gudipati enum rport_event event); 119a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, 120a36c61f9SKrishna Gudipati enum rport_event event); 121a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, 122a36c61f9SKrishna Gudipati enum rport_event event); 123a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, 124a36c61f9SKrishna Gudipati enum rport_event event); 125a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, 126a36c61f9SKrishna Gudipati enum rport_event event); 127a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, 128a36c61f9SKrishna Gudipati enum rport_event event); 129a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, 130a36c61f9SKrishna Gudipati enum rport_event event); 131a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, 132a36c61f9SKrishna Gudipati enum rport_event event); 133a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, 134a36c61f9SKrishna Gudipati enum rport_event event); 135a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, 136a36c61f9SKrishna Gudipati enum rport_event event); 137a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, 138a36c61f9SKrishna Gudipati enum rport_event event); 139a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, 140a36c61f9SKrishna Gudipati enum rport_event event); 141a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, 142a36c61f9SKrishna Gudipati enum rport_event event); 143a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, 144a36c61f9SKrishna Gudipati enum rport_event event); 145a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, 146a36c61f9SKrishna Gudipati enum rport_event event); 147a36c61f9SKrishna Gudipati static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, 148a36c61f9SKrishna Gudipati enum rport_event event); 149a36c61f9SKrishna Gudipati 150a36c61f9SKrishna Gudipati static struct bfa_sm_table_s rport_sm_table[] = { 151a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, 152a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, 153a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, 154a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY}, 155a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI}, 156a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE}, 157a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE}, 158a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY}, 159a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY}, 160a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_adisc_sending), BFA_RPORT_ADISC}, 161a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_adisc), BFA_RPORT_ADISC}, 162a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV}, 163a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO}, 164a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE}, 165a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE}, 166a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV}, 167a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO}, 168a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO}, 169a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE}, 170a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC}, 171a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC}, 172a36c61f9SKrishna Gudipati {BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC}, 173a36c61f9SKrishna Gudipati }; 174a36c61f9SKrishna Gudipati 1755fbe25c7SJing Huang /* 176a36c61f9SKrishna Gudipati * Beginning state. 177a36c61f9SKrishna Gudipati */ 178a36c61f9SKrishna Gudipati static void 179a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event) 180a36c61f9SKrishna Gudipati { 181a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 182a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 183a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 184a36c61f9SKrishna Gudipati 185a36c61f9SKrishna Gudipati switch (event) { 186a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_SEND: 187a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); 188a36c61f9SKrishna Gudipati rport->plogi_retries = 0; 189a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogi(rport, NULL); 190a36c61f9SKrishna Gudipati break; 191a36c61f9SKrishna Gudipati 192a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 193a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); 194a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(rport, NULL); 195a36c61f9SKrishna Gudipati break; 196a36c61f9SKrishna Gudipati 197a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 198a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); 199a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(rport); 200a36c61f9SKrishna Gudipati break; 201a36c61f9SKrishna Gudipati 202a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 203a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_DISC: 204a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); 205a36c61f9SKrishna Gudipati rport->ns_retries = 0; 206a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 207a36c61f9SKrishna Gudipati break; 208a36c61f9SKrishna Gudipati default: 209a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 210a36c61f9SKrishna Gudipati } 211a36c61f9SKrishna Gudipati } 212a36c61f9SKrishna Gudipati 2135fbe25c7SJing Huang /* 214a36c61f9SKrishna Gudipati * PLOGI is being sent. 215a36c61f9SKrishna Gudipati */ 216a36c61f9SKrishna Gudipati static void 217a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, 218a36c61f9SKrishna Gudipati enum rport_event event) 219a36c61f9SKrishna Gudipati { 220a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 221a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 222a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 223a36c61f9SKrishna Gudipati 224a36c61f9SKrishna Gudipati switch (event) { 225a36c61f9SKrishna Gudipati case RPSM_EVENT_FCXP_SENT: 226a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi); 227a36c61f9SKrishna Gudipati break; 228a36c61f9SKrishna Gudipati 229a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 230a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 231a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 232a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 233a36c61f9SKrishna Gudipati break; 234a36c61f9SKrishna Gudipati 235a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 236a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); 237a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 238a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(rport, NULL); 239a36c61f9SKrishna Gudipati break; 240a36c61f9SKrishna Gudipati 241a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 242a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 243a36c61f9SKrishna Gudipati /* query the NS */ 244a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 245a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); 246a36c61f9SKrishna Gudipati rport->ns_retries = 0; 247a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 248a36c61f9SKrishna Gudipati break; 249a36c61f9SKrishna Gudipati 250a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 251a36c61f9SKrishna Gudipati rport->pid = 0; 252a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 253a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 254a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 255a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 256a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 257a36c61f9SKrishna Gudipati break; 258a36c61f9SKrishna Gudipati 259a36c61f9SKrishna Gudipati 260a36c61f9SKrishna Gudipati default: 261a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 262a36c61f9SKrishna Gudipati } 263a36c61f9SKrishna Gudipati } 264a36c61f9SKrishna Gudipati 2655fbe25c7SJing Huang /* 266a36c61f9SKrishna Gudipati * PLOGI is being sent. 267a36c61f9SKrishna Gudipati */ 268a36c61f9SKrishna Gudipati static void 269a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, 270a36c61f9SKrishna Gudipati enum rport_event event) 271a36c61f9SKrishna Gudipati { 272a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 273a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 274a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 275a36c61f9SKrishna Gudipati 276a36c61f9SKrishna Gudipati switch (event) { 277a36c61f9SKrishna Gudipati case RPSM_EVENT_FCXP_SENT: 278a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); 279a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(rport); 280a36c61f9SKrishna Gudipati break; 281a36c61f9SKrishna Gudipati 282a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 283a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 284a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 285a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 286a36c61f9SKrishna Gudipati break; 287a36c61f9SKrishna Gudipati 288a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 289a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 2905fbe25c7SJing Huang /* 291a36c61f9SKrishna Gudipati * Ignore, SCN is possibly online notification. 292a36c61f9SKrishna Gudipati */ 293a36c61f9SKrishna Gudipati break; 294a36c61f9SKrishna Gudipati 295a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 296a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 297a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); 298a36c61f9SKrishna Gudipati rport->ns_retries = 0; 299a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 300a36c61f9SKrishna Gudipati break; 301a36c61f9SKrishna Gudipati 302a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 303a36c61f9SKrishna Gudipati rport->pid = 0; 304a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 305a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 306a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 307a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 308a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 309a36c61f9SKrishna Gudipati break; 310a36c61f9SKrishna Gudipati 311a36c61f9SKrishna Gudipati case RPSM_EVENT_HCB_OFFLINE: 3125fbe25c7SJing Huang /* 313a36c61f9SKrishna Gudipati * Ignore BFA callback, on a PLOGI receive we call bfa offline. 314a36c61f9SKrishna Gudipati */ 315a36c61f9SKrishna Gudipati break; 316a36c61f9SKrishna Gudipati 317a36c61f9SKrishna Gudipati default: 318a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 319a36c61f9SKrishna Gudipati } 320a36c61f9SKrishna Gudipati } 321a36c61f9SKrishna Gudipati 3225fbe25c7SJing Huang /* 323a36c61f9SKrishna Gudipati * PLOGI is sent. 324a36c61f9SKrishna Gudipati */ 325a36c61f9SKrishna Gudipati static void 326a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, 327a36c61f9SKrishna Gudipati enum rport_event event) 328a36c61f9SKrishna Gudipati { 329a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 330a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 331a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 332a36c61f9SKrishna Gudipati 333a36c61f9SKrishna Gudipati switch (event) { 334a36c61f9SKrishna Gudipati case RPSM_EVENT_TIMEOUT: 335a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); 336a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogi(rport, NULL); 337a36c61f9SKrishna Gudipati break; 338a36c61f9SKrishna Gudipati 339a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 340a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 341a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 342a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 343a36c61f9SKrishna Gudipati break; 344a36c61f9SKrishna Gudipati 345a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 346a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 347a36c61f9SKrishna Gudipati break; 348a36c61f9SKrishna Gudipati 349a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 350a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); 351a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 352a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(rport, NULL); 353a36c61f9SKrishna Gudipati break; 354a36c61f9SKrishna Gudipati 355a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 356a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 357a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 358a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); 359a36c61f9SKrishna Gudipati rport->ns_retries = 0; 360a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 361a36c61f9SKrishna Gudipati break; 362a36c61f9SKrishna Gudipati 363a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 364a36c61f9SKrishna Gudipati rport->pid = 0; 365a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 366a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 367a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 368a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 369a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 370a36c61f9SKrishna Gudipati break; 371a36c61f9SKrishna Gudipati 372a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 373a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); 374a36c61f9SKrishna Gudipati bfa_timer_stop(&rport->timer); 375a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(rport); 376a36c61f9SKrishna Gudipati break; 377a36c61f9SKrishna Gudipati 378a36c61f9SKrishna Gudipati default: 379a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 380a36c61f9SKrishna Gudipati } 381a36c61f9SKrishna Gudipati } 382a36c61f9SKrishna Gudipati 3835fbe25c7SJing Huang /* 384a36c61f9SKrishna Gudipati * PLOGI is sent. 385a36c61f9SKrishna Gudipati */ 386a36c61f9SKrishna Gudipati static void 387a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) 388a36c61f9SKrishna Gudipati { 389a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 390a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 391a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 392a36c61f9SKrishna Gudipati 393a36c61f9SKrishna Gudipati switch (event) { 394a36c61f9SKrishna Gudipati case RPSM_EVENT_ACCEPTED: 395a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); 396a36c61f9SKrishna Gudipati rport->plogi_retries = 0; 397a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(rport); 398a36c61f9SKrishna Gudipati break; 399a36c61f9SKrishna Gudipati 400a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 401a36c61f9SKrishna Gudipati bfa_fcs_rport_send_logo_acc(rport); 402a36c61f9SKrishna Gudipati /* 403a36c61f9SKrishna Gudipati * !! fall through !! 404a36c61f9SKrishna Gudipati */ 405a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 406a36c61f9SKrishna Gudipati if (rport->prlo == BFA_TRUE) 407a36c61f9SKrishna Gudipati bfa_fcs_rport_send_prlo_acc(rport); 408a36c61f9SKrishna Gudipati 409a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 410a36c61f9SKrishna Gudipati /* 411a36c61f9SKrishna Gudipati * !! fall through !! 412a36c61f9SKrishna Gudipati */ 413a36c61f9SKrishna Gudipati case RPSM_EVENT_FAILED: 414a36c61f9SKrishna Gudipati if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) { 415a36c61f9SKrishna Gudipati rport->plogi_retries++; 416a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); 417a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 418a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 419a36c61f9SKrishna Gudipati BFA_FCS_RETRY_TIMEOUT); 420a36c61f9SKrishna Gudipati } else { 421a36c61f9SKrishna Gudipati bfa_stats(rport->port, rport_del_max_plogi_retry); 422a36c61f9SKrishna Gudipati rport->pid = 0; 423a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 424a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 425a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 426a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 427a36c61f9SKrishna Gudipati } 428a36c61f9SKrishna Gudipati break; 429a36c61f9SKrishna Gudipati 430a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RETRY: 431a36c61f9SKrishna Gudipati rport->plogi_retries = 0; 432a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); 433a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 434a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 435a36c61f9SKrishna Gudipati (FC_RA_TOV * 1000)); 436a36c61f9SKrishna Gudipati break; 437a36c61f9SKrishna Gudipati 438a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 439a36c61f9SKrishna Gudipati rport->pid = 0; 440a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 441a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 442a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 443a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 444a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 445a36c61f9SKrishna Gudipati break; 446a36c61f9SKrishna Gudipati 447a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 448a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 449a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 450a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); 451a36c61f9SKrishna Gudipati rport->ns_retries = 0; 452a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 453a36c61f9SKrishna Gudipati break; 454a36c61f9SKrishna Gudipati 455a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 456a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); 457a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 458a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(rport, NULL); 459a36c61f9SKrishna Gudipati break; 460a36c61f9SKrishna Gudipati 461a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 462a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 463a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 464a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 465a36c61f9SKrishna Gudipati break; 466a36c61f9SKrishna Gudipati 467a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 468a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); 469a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 470a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(rport); 471a36c61f9SKrishna Gudipati break; 472a36c61f9SKrishna Gudipati 473a36c61f9SKrishna Gudipati default: 474a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 475a36c61f9SKrishna Gudipati } 476a36c61f9SKrishna Gudipati } 477a36c61f9SKrishna Gudipati 4785fbe25c7SJing Huang /* 479a36c61f9SKrishna Gudipati * PLOGI is complete. Awaiting BFA rport online callback. FC-4s 480a36c61f9SKrishna Gudipati * are offline. 481a36c61f9SKrishna Gudipati */ 482a36c61f9SKrishna Gudipati static void 483a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, 484a36c61f9SKrishna Gudipati enum rport_event event) 485a36c61f9SKrishna Gudipati { 486a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 487a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 488a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 489a36c61f9SKrishna Gudipati 490a36c61f9SKrishna Gudipati switch (event) { 491a36c61f9SKrishna Gudipati case RPSM_EVENT_HCB_ONLINE: 492a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); 493a36c61f9SKrishna Gudipati bfa_fcs_rport_online_action(rport); 494a36c61f9SKrishna Gudipati break; 495a36c61f9SKrishna Gudipati 496a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 497a36c61f9SKrishna Gudipati break; 498a36c61f9SKrishna Gudipati 499a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 500a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); 501a36c61f9SKrishna Gudipati bfa_rport_offline(rport->bfa_rport); 502a36c61f9SKrishna Gudipati break; 503a36c61f9SKrishna Gudipati 504a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 505a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 506a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); 507a36c61f9SKrishna Gudipati bfa_rport_offline(rport->bfa_rport); 508a36c61f9SKrishna Gudipati break; 509a36c61f9SKrishna Gudipati 510a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 511a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); 512a36c61f9SKrishna Gudipati bfa_rport_offline(rport->bfa_rport); 513a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(rport, NULL); 514a36c61f9SKrishna Gudipati break; 515a36c61f9SKrishna Gudipati 516a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 517a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); 518a36c61f9SKrishna Gudipati bfa_rport_offline(rport->bfa_rport); 519a36c61f9SKrishna Gudipati break; 520a36c61f9SKrishna Gudipati 521a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 5225fbe25c7SJing Huang /* 523a36c61f9SKrishna Gudipati * @todo 524a36c61f9SKrishna Gudipati * Ignore SCN - PLOGI just completed, FC-4 login should detect 525a36c61f9SKrishna Gudipati * device failures. 526a36c61f9SKrishna Gudipati */ 527a36c61f9SKrishna Gudipati break; 528a36c61f9SKrishna Gudipati 529a36c61f9SKrishna Gudipati default: 530a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 531a36c61f9SKrishna Gudipati } 532a36c61f9SKrishna Gudipati } 533a36c61f9SKrishna Gudipati 5345fbe25c7SJing Huang /* 535a36c61f9SKrishna Gudipati * Rport is ONLINE. FC-4s active. 536a36c61f9SKrishna Gudipati */ 537a36c61f9SKrishna Gudipati static void 538a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event) 539a36c61f9SKrishna Gudipati { 540a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 541a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 542a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 543a36c61f9SKrishna Gudipati 544a36c61f9SKrishna Gudipati switch (event) { 545a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 546a36c61f9SKrishna Gudipati if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { 547a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, 548a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsquery_sending); 549a36c61f9SKrishna Gudipati rport->ns_retries = 0; 550a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 551a36c61f9SKrishna Gudipati } else { 552a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); 553a36c61f9SKrishna Gudipati bfa_fcs_rport_send_adisc(rport, NULL); 554a36c61f9SKrishna Gudipati } 555a36c61f9SKrishna Gudipati break; 556a36c61f9SKrishna Gudipati 557a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 558a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 559a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 560a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 561a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 562a36c61f9SKrishna Gudipati break; 563a36c61f9SKrishna Gudipati 564a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 565a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); 566a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 567a36c61f9SKrishna Gudipati break; 568a36c61f9SKrishna Gudipati 569a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 570a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 571a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); 572a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 573a36c61f9SKrishna Gudipati break; 574a36c61f9SKrishna Gudipati 575a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 576a36c61f9SKrishna Gudipati break; 577a36c61f9SKrishna Gudipati 578a36c61f9SKrishna Gudipati default: 579a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 580a36c61f9SKrishna Gudipati } 581a36c61f9SKrishna Gudipati } 582a36c61f9SKrishna Gudipati 5835fbe25c7SJing Huang /* 584a36c61f9SKrishna Gudipati * An SCN event is received in ONLINE state. NS query is being sent 585a36c61f9SKrishna Gudipati * prior to ADISC authentication with rport. FC-4s are paused. 586a36c61f9SKrishna Gudipati */ 587a36c61f9SKrishna Gudipati static void 588a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, 589a36c61f9SKrishna Gudipati enum rport_event event) 590a36c61f9SKrishna Gudipati { 591a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 592a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 593a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 594a36c61f9SKrishna Gudipati 595a36c61f9SKrishna Gudipati switch (event) { 596a36c61f9SKrishna Gudipati case RPSM_EVENT_FCXP_SENT: 597a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery); 598a36c61f9SKrishna Gudipati break; 599a36c61f9SKrishna Gudipati 600a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 601a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); 602a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 603a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 604a36c61f9SKrishna Gudipati break; 605a36c61f9SKrishna Gudipati 606a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 6075fbe25c7SJing Huang /* 608a36c61f9SKrishna Gudipati * ignore SCN, wait for response to query itself 609a36c61f9SKrishna Gudipati */ 610a36c61f9SKrishna Gudipati break; 611a36c61f9SKrishna Gudipati 612a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 613a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 614a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); 615a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 616a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 617a36c61f9SKrishna Gudipati break; 618a36c61f9SKrishna Gudipati 619a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 620a36c61f9SKrishna Gudipati rport->pid = 0; 621a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 622a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 623a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 624a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 625a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 626a36c61f9SKrishna Gudipati break; 627a36c61f9SKrishna Gudipati 628a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 629a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 630a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 631a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 632a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 633a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 634a36c61f9SKrishna Gudipati break; 635a36c61f9SKrishna Gudipati 636a36c61f9SKrishna Gudipati default: 637a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 638a36c61f9SKrishna Gudipati } 639a36c61f9SKrishna Gudipati } 640a36c61f9SKrishna Gudipati 6415fbe25c7SJing Huang /* 642a36c61f9SKrishna Gudipati * An SCN event is received in ONLINE state. NS query is sent to rport. 643a36c61f9SKrishna Gudipati * FC-4s are paused. 644a36c61f9SKrishna Gudipati */ 645a36c61f9SKrishna Gudipati static void 646a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) 647a36c61f9SKrishna Gudipati { 648a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 649a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 650a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 651a36c61f9SKrishna Gudipati 652a36c61f9SKrishna Gudipati switch (event) { 653a36c61f9SKrishna Gudipati case RPSM_EVENT_ACCEPTED: 654a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); 655a36c61f9SKrishna Gudipati bfa_fcs_rport_send_adisc(rport, NULL); 656a36c61f9SKrishna Gudipati break; 657a36c61f9SKrishna Gudipati 658a36c61f9SKrishna Gudipati case RPSM_EVENT_FAILED: 659a36c61f9SKrishna Gudipati rport->ns_retries++; 660a36c61f9SKrishna Gudipati if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { 661a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, 662a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsquery_sending); 663a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 664a36c61f9SKrishna Gudipati } else { 665a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 666a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 667a36c61f9SKrishna Gudipati } 668a36c61f9SKrishna Gudipati break; 669a36c61f9SKrishna Gudipati 670a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 671a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); 672a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 673a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 674a36c61f9SKrishna Gudipati break; 675a36c61f9SKrishna Gudipati 676a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 677a36c61f9SKrishna Gudipati break; 678a36c61f9SKrishna Gudipati 679a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 680a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 681a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); 682a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 683a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 684a36c61f9SKrishna Gudipati break; 685a36c61f9SKrishna Gudipati 686a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_COMP: 687a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 688a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 689a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 690a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 691a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 692a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 693a36c61f9SKrishna Gudipati break; 694a36c61f9SKrishna Gudipati 695a36c61f9SKrishna Gudipati default: 696a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 697a36c61f9SKrishna Gudipati } 698a36c61f9SKrishna Gudipati } 699a36c61f9SKrishna Gudipati 7005fbe25c7SJing Huang /* 701a36c61f9SKrishna Gudipati * An SCN event is received in ONLINE state. ADISC is being sent for 702a36c61f9SKrishna Gudipati * authenticating with rport. FC-4s are paused. 703a36c61f9SKrishna Gudipati */ 704a36c61f9SKrishna Gudipati static void 705a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, 706a36c61f9SKrishna Gudipati enum rport_event event) 707a36c61f9SKrishna Gudipati { 708a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 709a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 710a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 711a36c61f9SKrishna Gudipati 712a36c61f9SKrishna Gudipati switch (event) { 713a36c61f9SKrishna Gudipati case RPSM_EVENT_FCXP_SENT: 714a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc); 715a36c61f9SKrishna Gudipati break; 716a36c61f9SKrishna Gudipati 717a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 718a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); 719a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 720a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 721a36c61f9SKrishna Gudipati break; 722a36c61f9SKrishna Gudipati 723a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 724a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 725a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 726a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 727a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 728a36c61f9SKrishna Gudipati break; 729a36c61f9SKrishna Gudipati 730a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 731a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 732a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); 733a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 734a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 735a36c61f9SKrishna Gudipati break; 736a36c61f9SKrishna Gudipati 737a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 738a36c61f9SKrishna Gudipati break; 739a36c61f9SKrishna Gudipati 740a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 741a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 742a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); 743a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 744a36c61f9SKrishna Gudipati break; 745a36c61f9SKrishna Gudipati 746a36c61f9SKrishna Gudipati default: 747a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 748a36c61f9SKrishna Gudipati } 749a36c61f9SKrishna Gudipati } 750a36c61f9SKrishna Gudipati 7515fbe25c7SJing Huang /* 752a36c61f9SKrishna Gudipati * An SCN event is received in ONLINE state. ADISC is to rport. 753a36c61f9SKrishna Gudipati * FC-4s are paused. 754a36c61f9SKrishna Gudipati */ 755a36c61f9SKrishna Gudipati static void 756a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event) 757a36c61f9SKrishna Gudipati { 758a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 759a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 760a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 761a36c61f9SKrishna Gudipati 762a36c61f9SKrishna Gudipati switch (event) { 763a36c61f9SKrishna Gudipati case RPSM_EVENT_ACCEPTED: 764a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); 765a36c61f9SKrishna Gudipati break; 766a36c61f9SKrishna Gudipati 767a36c61f9SKrishna Gudipati case RPSM_EVENT_PLOGI_RCVD: 7685fbe25c7SJing Huang /* 769a36c61f9SKrishna Gudipati * Too complex to cleanup FC-4 & rport and then acc to PLOGI. 770a36c61f9SKrishna Gudipati * At least go offline when a PLOGI is received. 771a36c61f9SKrishna Gudipati */ 772a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 773a36c61f9SKrishna Gudipati /* 774a36c61f9SKrishna Gudipati * !!! fall through !!! 775a36c61f9SKrishna Gudipati */ 776a36c61f9SKrishna Gudipati 777a36c61f9SKrishna Gudipati case RPSM_EVENT_FAILED: 778a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 779a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 780a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 781a36c61f9SKrishna Gudipati break; 782a36c61f9SKrishna Gudipati 783a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 784a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); 785a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 786a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 787a36c61f9SKrishna Gudipati break; 788a36c61f9SKrishna Gudipati 789a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 7905fbe25c7SJing Huang /* 791a36c61f9SKrishna Gudipati * already processing RSCN 792a36c61f9SKrishna Gudipati */ 793a36c61f9SKrishna Gudipati break; 794a36c61f9SKrishna Gudipati 795a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 796a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); 797a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 798a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 799a36c61f9SKrishna Gudipati break; 800a36c61f9SKrishna Gudipati 801a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 802a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 803a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); 804a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 805a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(rport); 806a36c61f9SKrishna Gudipati break; 807a36c61f9SKrishna Gudipati 808a36c61f9SKrishna Gudipati default: 809a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 810a36c61f9SKrishna Gudipati } 811a36c61f9SKrishna Gudipati } 812a36c61f9SKrishna Gudipati 8135fbe25c7SJing Huang /* 814a36c61f9SKrishna Gudipati * Rport has sent LOGO. Awaiting FC-4 offline completion callback. 815a36c61f9SKrishna Gudipati */ 816a36c61f9SKrishna Gudipati static void 817a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, 818a36c61f9SKrishna Gudipati enum rport_event event) 819a36c61f9SKrishna Gudipati { 820a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 821a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 822a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 823a36c61f9SKrishna Gudipati 824a36c61f9SKrishna Gudipati switch (event) { 825a36c61f9SKrishna Gudipati case RPSM_EVENT_FC4_OFFLINE: 826a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); 827a36c61f9SKrishna Gudipati bfa_rport_offline(rport->bfa_rport); 828a36c61f9SKrishna Gudipati break; 829a36c61f9SKrishna Gudipati 830a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 831a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); 832a36c61f9SKrishna Gudipati break; 833a36c61f9SKrishna Gudipati 834a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 835a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 836a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 837a36c61f9SKrishna Gudipati break; 838a36c61f9SKrishna Gudipati 839a36c61f9SKrishna Gudipati default: 840a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 841a36c61f9SKrishna Gudipati } 842a36c61f9SKrishna Gudipati } 843a36c61f9SKrishna Gudipati 8445fbe25c7SJing Huang /* 845a36c61f9SKrishna Gudipati * LOGO needs to be sent to rport. Awaiting FC-4 offline completion 846a36c61f9SKrishna Gudipati * callback. 847a36c61f9SKrishna Gudipati */ 848a36c61f9SKrishna Gudipati static void 849a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_fc4_logosend(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_logosend); 859a36c61f9SKrishna Gudipati bfa_rport_offline(rport->bfa_rport); 860a36c61f9SKrishna Gudipati break; 861a36c61f9SKrishna Gudipati 862a36c61f9SKrishna Gudipati default: 863a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 864a36c61f9SKrishna Gudipati } 865a36c61f9SKrishna Gudipati } 866a36c61f9SKrishna Gudipati 8675fbe25c7SJing Huang /* 868a36c61f9SKrishna Gudipati * Rport is going offline. Awaiting FC-4 offline completion callback. 869a36c61f9SKrishna Gudipati */ 870a36c61f9SKrishna Gudipati static void 871a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, 872a36c61f9SKrishna Gudipati enum rport_event event) 873a36c61f9SKrishna Gudipati { 874a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 875a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 876a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 877a36c61f9SKrishna Gudipati 878a36c61f9SKrishna Gudipati switch (event) { 879a36c61f9SKrishna Gudipati case RPSM_EVENT_FC4_OFFLINE: 880a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); 881a36c61f9SKrishna Gudipati bfa_rport_offline(rport->bfa_rport); 882a36c61f9SKrishna Gudipati break; 883a36c61f9SKrishna Gudipati 884a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 885a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_IMP: 886a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 887a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 888a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 8895fbe25c7SJing Huang /* 890a36c61f9SKrishna Gudipati * rport is already going offline. 891a36c61f9SKrishna Gudipati * SCN - ignore and wait till transitioning to offline state 892a36c61f9SKrishna Gudipati */ 893a36c61f9SKrishna Gudipati break; 894a36c61f9SKrishna Gudipati 895a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 896a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); 897a36c61f9SKrishna Gudipati break; 898a36c61f9SKrishna Gudipati 899a36c61f9SKrishna Gudipati default: 900a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 901a36c61f9SKrishna Gudipati } 902a36c61f9SKrishna Gudipati } 903a36c61f9SKrishna Gudipati 9045fbe25c7SJing Huang /* 905a36c61f9SKrishna Gudipati * Rport is offline. FC-4s are offline. Awaiting BFA rport offline 906a36c61f9SKrishna Gudipati * callback. 907a36c61f9SKrishna Gudipati */ 908a36c61f9SKrishna Gudipati static void 909a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, 910a36c61f9SKrishna Gudipati enum rport_event event) 911a36c61f9SKrishna Gudipati { 912a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 913a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 914a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 915a36c61f9SKrishna Gudipati 916a36c61f9SKrishna Gudipati switch (event) { 917a36c61f9SKrishna Gudipati case RPSM_EVENT_HCB_OFFLINE: 918a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 919a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_online(rport->port)) { 920a36c61f9SKrishna Gudipati if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { 921a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, 922a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsdisc_sending); 923a36c61f9SKrishna Gudipati rport->ns_retries = 0; 924a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 925a36c61f9SKrishna Gudipati } else { 926a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, 927a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_plogi_sending); 928a36c61f9SKrishna Gudipati rport->plogi_retries = 0; 929a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogi(rport, NULL); 930a36c61f9SKrishna Gudipati } 931a36c61f9SKrishna Gudipati } else { 932a36c61f9SKrishna Gudipati rport->pid = 0; 933a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); 934a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rport->timer, 935a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout, rport, 936a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout); 937a36c61f9SKrishna Gudipati } 938a36c61f9SKrishna Gudipati break; 939a36c61f9SKrishna Gudipati 940a36c61f9SKrishna Gudipati case RPSM_EVENT_DELETE: 941a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 942a36c61f9SKrishna Gudipati bfa_fcs_rport_free(rport); 943a36c61f9SKrishna Gudipati break; 944a36c61f9SKrishna Gudipati 945a36c61f9SKrishna Gudipati case RPSM_EVENT_SCN: 946a36c61f9SKrishna Gudipati case RPSM_EVENT_LOGO_RCVD: 947a36c61f9SKrishna Gudipati case RPSM_EVENT_PRLO_RCVD: 9485fbe25c7SJing Huang /* 949a36c61f9SKrishna Gudipati * Ignore, already offline. 950a36c61f9SKrishna Gudipati */ 951a36c61f9SKrishna Gudipati break; 952a36c61f9SKrishna Gudipati 953a36c61f9SKrishna Gudipati default: 954a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 955a36c61f9SKrishna Gudipati } 956a36c61f9SKrishna Gudipati } 957a36c61f9SKrishna Gudipati 9585fbe25c7SJing Huang /* 959a36c61f9SKrishna Gudipati * Rport is offline. FC-4s are offline. Awaiting BFA rport offline 960a36c61f9SKrishna Gudipati * callback to send LOGO accept. 961a36c61f9SKrishna Gudipati */ 962a36c61f9SKrishna Gudipati static void 963a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, 964a36c61f9SKrishna Gudipati enum rport_event event) 965a36c61f9SKrishna Gudipati { 966a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 967a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 968a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 969a36c61f9SKrishna Gudipati 970a36c61f9SKrishna Gudipati switch (event) { 971a36c61f9SKrishna Gudipati case RPSM_EVENT_HCB_OFFLINE: 972a36c61f9SKrishna Gudipati case RPSM_EVENT_ADDRESS_CHANGE: 973a36c61f9SKrishna Gudipati if (rport->pid && (rport->prlo == BFA_TRUE)) 974a36c61f9SKrishna Gudipati bfa_fcs_rport_send_prlo_acc(rport); 975a36c61f9SKrishna Gudipati if (rport->pid && (rport->prlo == BFA_FALSE)) 976a36c61f9SKrishna Gudipati bfa_fcs_rport_send_logo_acc(rport); 977a36c61f9SKrishna Gudipati /* 978a36c61f9SKrishna Gudipati * If the lport is online and if the rport is not a well 979a36c61f9SKrishna Gudipati * known address port, 980a36c61f9SKrishna Gudipati * we try to re-discover the r-port. 981a36c61f9SKrishna Gudipati */ 982a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_online(rport->port) && 983a36c61f9SKrishna Gudipati (!BFA_FCS_PID_IS_WKA(rport->pid))) { 984a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, 985a36c61f9SKrishna Gudipati bfa_fcs_rport_sm_nsdisc_sending); 986a36c61f9SKrishna Gudipati rport->ns_retries = 0; 987a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(rport, NULL); 988a36c61f9SKrishna 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, 1383a36c61f9SKrishna Gudipati bfa_fcport_get_maxfrsize(port->fcs->bfa)); 1384a36c61f9SKrishna Gudipati 1385a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1386a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response, 1387a36c61f9SKrishna Gudipati (void *)rport, FC_MAX_PDUSZ, FC_ELS_TOV); 1388a36c61f9SKrishna Gudipati 1389a36c61f9SKrishna Gudipati rport->stats.plogis++; 1390a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); 1391a36c61f9SKrishna Gudipati } 1392a36c61f9SKrishna Gudipati 1393a36c61f9SKrishna Gudipati static void 1394a36c61f9SKrishna Gudipati bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, 1395a36c61f9SKrishna Gudipati bfa_status_t req_status, u32 rsp_len, 1396a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rsp_fchs) 1397a36c61f9SKrishna Gudipati { 1398a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 1399a36c61f9SKrishna Gudipati struct fc_logi_s *plogi_rsp; 1400a36c61f9SKrishna Gudipati struct fc_ls_rjt_s *ls_rjt; 1401a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *twin; 1402a36c61f9SKrishna Gudipati struct list_head *qe; 1403a36c61f9SKrishna Gudipati 1404a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1405a36c61f9SKrishna Gudipati 1406a36c61f9SKrishna Gudipati /* 1407a36c61f9SKrishna Gudipati * Sanity Checks 1408a36c61f9SKrishna Gudipati */ 1409a36c61f9SKrishna Gudipati if (req_status != BFA_STATUS_OK) { 1410a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, req_status); 1411a36c61f9SKrishna Gudipati rport->stats.plogi_failed++; 1412a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1413a36c61f9SKrishna Gudipati return; 1414a36c61f9SKrishna Gudipati } 1415a36c61f9SKrishna Gudipati 1416a36c61f9SKrishna Gudipati plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp); 1417a36c61f9SKrishna Gudipati 14185fbe25c7SJing Huang /* 1419a36c61f9SKrishna Gudipati * Check for failure first. 1420a36c61f9SKrishna Gudipati */ 1421a36c61f9SKrishna Gudipati if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) { 1422a36c61f9SKrishna Gudipati ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); 1423a36c61f9SKrishna Gudipati 1424a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, ls_rjt->reason_code); 1425a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, ls_rjt->reason_code_expl); 1426a36c61f9SKrishna Gudipati 1427a36c61f9SKrishna Gudipati if ((ls_rjt->reason_code == FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD) && 1428a36c61f9SKrishna Gudipati (ls_rjt->reason_code_expl == FC_LS_RJT_EXP_INSUFF_RES)) { 1429a36c61f9SKrishna Gudipati rport->stats.rjt_insuff_res++; 1430a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RETRY); 1431a36c61f9SKrishna Gudipati return; 1432a36c61f9SKrishna Gudipati } 1433a36c61f9SKrishna Gudipati 1434a36c61f9SKrishna Gudipati rport->stats.plogi_rejects++; 1435a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1436a36c61f9SKrishna Gudipati return; 1437a36c61f9SKrishna Gudipati } 1438a36c61f9SKrishna Gudipati 14395fbe25c7SJing Huang /* 1440a36c61f9SKrishna Gudipati * PLOGI is complete. Make sure this device is not one of the known 1441a36c61f9SKrishna Gudipati * device with a new FC port address. 1442a36c61f9SKrishna Gudipati */ 1443a36c61f9SKrishna Gudipati list_for_each(qe, &rport->port->rport_q) { 1444a36c61f9SKrishna Gudipati twin = (struct bfa_fcs_rport_s *) qe; 1445a36c61f9SKrishna Gudipati if (twin == rport) 1446a36c61f9SKrishna Gudipati continue; 1447a36c61f9SKrishna Gudipati if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) { 1448a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, twin->pid); 1449a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1450a36c61f9SKrishna Gudipati 1451a36c61f9SKrishna Gudipati /* Update plogi stats in twin */ 1452a36c61f9SKrishna Gudipati twin->stats.plogis += rport->stats.plogis; 1453a36c61f9SKrishna Gudipati twin->stats.plogi_rejects += 1454a36c61f9SKrishna Gudipati rport->stats.plogi_rejects; 1455a36c61f9SKrishna Gudipati twin->stats.plogi_timeouts += 1456a36c61f9SKrishna Gudipati rport->stats.plogi_timeouts; 1457a36c61f9SKrishna Gudipati twin->stats.plogi_failed += 1458a36c61f9SKrishna Gudipati rport->stats.plogi_failed; 1459a36c61f9SKrishna Gudipati twin->stats.plogi_rcvd += rport->stats.plogi_rcvd; 1460a36c61f9SKrishna Gudipati twin->stats.plogi_accs++; 1461a36c61f9SKrishna Gudipati 1462a36c61f9SKrishna Gudipati bfa_fcs_rport_delete(rport); 1463a36c61f9SKrishna Gudipati 1464a36c61f9SKrishna Gudipati bfa_fcs_rport_update(twin, plogi_rsp); 1465a36c61f9SKrishna Gudipati twin->pid = rsp_fchs->s_id; 1466a36c61f9SKrishna Gudipati bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP); 1467a36c61f9SKrishna Gudipati return; 1468a36c61f9SKrishna Gudipati } 1469a36c61f9SKrishna Gudipati } 1470a36c61f9SKrishna Gudipati 14715fbe25c7SJing Huang /* 1472a36c61f9SKrishna Gudipati * Normal login path -- no evil twins. 1473a36c61f9SKrishna Gudipati */ 1474a36c61f9SKrishna Gudipati rport->stats.plogi_accs++; 1475a36c61f9SKrishna Gudipati bfa_fcs_rport_update(rport, plogi_rsp); 1476a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); 1477a36c61f9SKrishna Gudipati } 1478a36c61f9SKrishna Gudipati 1479a36c61f9SKrishna Gudipati static void 1480a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) 1481a36c61f9SKrishna Gudipati { 1482a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rport_cbarg; 1483a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1484a36c61f9SKrishna Gudipati struct fchs_s fchs; 1485a36c61f9SKrishna Gudipati int len; 1486a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1487a36c61f9SKrishna Gudipati 1488a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1489a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->reply_oxid); 1490a36c61f9SKrishna Gudipati 1491a36c61f9SKrishna Gudipati fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); 1492a36c61f9SKrishna Gudipati if (!fcxp) { 1493a36c61f9SKrishna Gudipati bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, 1494a36c61f9SKrishna Gudipati bfa_fcs_rport_send_plogiacc, rport); 1495a36c61f9SKrishna Gudipati return; 1496a36c61f9SKrishna Gudipati } 1497a36c61f9SKrishna Gudipati rport->fcxp = fcxp; 1498a36c61f9SKrishna Gudipati 1499a36c61f9SKrishna Gudipati len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1500a36c61f9SKrishna Gudipati rport->pid, bfa_fcs_lport_get_fcid(port), 1501a36c61f9SKrishna Gudipati rport->reply_oxid, port->port_cfg.pwwn, 1502a36c61f9SKrishna Gudipati port->port_cfg.nwwn, 1503a36c61f9SKrishna Gudipati bfa_fcport_get_maxfrsize(port->fcs->bfa)); 1504a36c61f9SKrishna Gudipati 1505a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1506a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); 1507a36c61f9SKrishna Gudipati 1508a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); 1509a36c61f9SKrishna Gudipati } 1510a36c61f9SKrishna Gudipati 1511a36c61f9SKrishna Gudipati static void 1512a36c61f9SKrishna Gudipati bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) 1513a36c61f9SKrishna Gudipati { 1514a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rport_cbarg; 1515a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1516a36c61f9SKrishna Gudipati struct fchs_s fchs; 1517a36c61f9SKrishna Gudipati int len; 1518a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1519a36c61f9SKrishna Gudipati 1520a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1521a36c61f9SKrishna Gudipati 1522a36c61f9SKrishna Gudipati fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); 1523a36c61f9SKrishna Gudipati if (!fcxp) { 1524a36c61f9SKrishna Gudipati bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, 1525a36c61f9SKrishna Gudipati bfa_fcs_rport_send_adisc, rport); 1526a36c61f9SKrishna Gudipati return; 1527a36c61f9SKrishna Gudipati } 1528a36c61f9SKrishna Gudipati rport->fcxp = fcxp; 1529a36c61f9SKrishna Gudipati 1530a36c61f9SKrishna Gudipati len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, 1531a36c61f9SKrishna Gudipati bfa_fcs_lport_get_fcid(port), 0, 1532a36c61f9SKrishna Gudipati port->port_cfg.pwwn, port->port_cfg.nwwn); 1533a36c61f9SKrishna Gudipati 1534a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1535a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response, 1536a36c61f9SKrishna Gudipati rport, FC_MAX_PDUSZ, FC_ELS_TOV); 1537a36c61f9SKrishna Gudipati 1538a36c61f9SKrishna Gudipati rport->stats.adisc_sent++; 1539a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); 1540a36c61f9SKrishna Gudipati } 1541a36c61f9SKrishna Gudipati 1542a36c61f9SKrishna Gudipati static void 1543a36c61f9SKrishna Gudipati bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, 1544a36c61f9SKrishna Gudipati bfa_status_t req_status, u32 rsp_len, 1545a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rsp_fchs) 1546a36c61f9SKrishna Gudipati { 1547a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 1548a36c61f9SKrishna Gudipati void *pld = bfa_fcxp_get_rspbuf(fcxp); 1549a36c61f9SKrishna Gudipati struct fc_ls_rjt_s *ls_rjt; 1550a36c61f9SKrishna Gudipati 1551a36c61f9SKrishna Gudipati if (req_status != BFA_STATUS_OK) { 1552a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, req_status); 1553a36c61f9SKrishna Gudipati rport->stats.adisc_failed++; 1554a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1555a36c61f9SKrishna Gudipati return; 1556a36c61f9SKrishna Gudipati } 1557a36c61f9SKrishna Gudipati 1558a36c61f9SKrishna Gudipati if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn, 1559a36c61f9SKrishna Gudipati rport->nwwn) == FC_PARSE_OK) { 1560a36c61f9SKrishna Gudipati rport->stats.adisc_accs++; 1561a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); 1562a36c61f9SKrishna Gudipati return; 1563a36c61f9SKrishna Gudipati } 1564a36c61f9SKrishna Gudipati 1565a36c61f9SKrishna Gudipati rport->stats.adisc_rejects++; 1566a36c61f9SKrishna Gudipati ls_rjt = pld; 1567a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code); 1568a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, ls_rjt->reason_code); 1569a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, ls_rjt->reason_code_expl); 1570a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1571a36c61f9SKrishna Gudipati } 1572a36c61f9SKrishna Gudipati 1573a36c61f9SKrishna Gudipati static void 1574a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) 1575a36c61f9SKrishna Gudipati { 1576a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rport_cbarg; 1577a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1578a36c61f9SKrishna Gudipati struct fchs_s fchs; 1579a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1580a36c61f9SKrishna Gudipati int len; 1581a36c61f9SKrishna Gudipati bfa_cb_fcxp_send_t cbfn; 1582a36c61f9SKrishna Gudipati 1583a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1584a36c61f9SKrishna Gudipati 1585a36c61f9SKrishna Gudipati fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); 1586a36c61f9SKrishna Gudipati if (!fcxp) { 1587a36c61f9SKrishna Gudipati bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, 1588a36c61f9SKrishna Gudipati bfa_fcs_rport_send_nsdisc, rport); 1589a36c61f9SKrishna Gudipati return; 1590a36c61f9SKrishna Gudipati } 1591a36c61f9SKrishna Gudipati rport->fcxp = fcxp; 1592a36c61f9SKrishna Gudipati 1593a36c61f9SKrishna Gudipati if (rport->pwwn) { 1594a36c61f9SKrishna Gudipati len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1595a36c61f9SKrishna Gudipati bfa_fcs_lport_get_fcid(port), 0, rport->pwwn); 1596a36c61f9SKrishna Gudipati cbfn = bfa_fcs_rport_gidpn_response; 1597a36c61f9SKrishna Gudipati } else { 1598a36c61f9SKrishna Gudipati len = fc_gpnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1599a36c61f9SKrishna Gudipati bfa_fcs_lport_get_fcid(port), 0, rport->pid); 1600a36c61f9SKrishna Gudipati cbfn = bfa_fcs_rport_gpnid_response; 1601a36c61f9SKrishna Gudipati } 1602a36c61f9SKrishna Gudipati 1603a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1604a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, cbfn, 1605a36c61f9SKrishna Gudipati (void *)rport, FC_MAX_PDUSZ, FC_FCCT_TOV); 1606a36c61f9SKrishna Gudipati 1607a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); 1608a36c61f9SKrishna Gudipati } 1609a36c61f9SKrishna Gudipati 1610a36c61f9SKrishna Gudipati static void 1611a36c61f9SKrishna Gudipati bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, 1612a36c61f9SKrishna Gudipati bfa_status_t req_status, u32 rsp_len, 1613a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rsp_fchs) 1614a36c61f9SKrishna Gudipati { 1615a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 1616a36c61f9SKrishna Gudipati struct ct_hdr_s *cthdr; 1617a36c61f9SKrishna Gudipati struct fcgs_gidpn_resp_s *gidpn_rsp; 1618a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *twin; 1619a36c61f9SKrishna Gudipati struct list_head *qe; 1620a36c61f9SKrishna Gudipati 1621a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1622a36c61f9SKrishna Gudipati 1623a36c61f9SKrishna Gudipati cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); 1624ba816ea8SJing Huang cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); 1625a36c61f9SKrishna Gudipati 1626a36c61f9SKrishna Gudipati if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { 1627a36c61f9SKrishna Gudipati /* Check if the pid is the same as before. */ 1628a36c61f9SKrishna Gudipati gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1); 1629a36c61f9SKrishna Gudipati 1630a36c61f9SKrishna Gudipati if (gidpn_rsp->dap == rport->pid) { 1631a36c61f9SKrishna Gudipati /* Device is online */ 1632a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); 1633a36c61f9SKrishna Gudipati } else { 1634a36c61f9SKrishna Gudipati /* 1635a36c61f9SKrishna Gudipati * Device's PID has changed. We need to cleanup 1636a36c61f9SKrishna Gudipati * and re-login. If there is another device with 1637a36c61f9SKrishna Gudipati * the the newly discovered pid, send an scn notice 1638a36c61f9SKrishna Gudipati * so that its new pid can be discovered. 1639a36c61f9SKrishna Gudipati */ 1640a36c61f9SKrishna Gudipati list_for_each(qe, &rport->port->rport_q) { 1641a36c61f9SKrishna Gudipati twin = (struct bfa_fcs_rport_s *) qe; 1642a36c61f9SKrishna Gudipati if (twin == rport) 1643a36c61f9SKrishna Gudipati continue; 1644a36c61f9SKrishna Gudipati if (gidpn_rsp->dap == twin->pid) { 1645a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, twin->pid); 1646a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1647a36c61f9SKrishna Gudipati 1648a36c61f9SKrishna Gudipati twin->pid = 0; 1649a36c61f9SKrishna Gudipati bfa_sm_send_event(twin, 1650a36c61f9SKrishna Gudipati RPSM_EVENT_ADDRESS_CHANGE); 1651a36c61f9SKrishna Gudipati } 1652a36c61f9SKrishna Gudipati } 1653a36c61f9SKrishna Gudipati rport->pid = gidpn_rsp->dap; 1654a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE); 1655a36c61f9SKrishna Gudipati } 1656a36c61f9SKrishna Gudipati return; 1657a36c61f9SKrishna Gudipati } 1658a36c61f9SKrishna Gudipati 1659a36c61f9SKrishna Gudipati /* 1660a36c61f9SKrishna Gudipati * Reject Response 1661a36c61f9SKrishna Gudipati */ 1662a36c61f9SKrishna Gudipati switch (cthdr->reason_code) { 1663a36c61f9SKrishna Gudipati case CT_RSN_LOGICAL_BUSY: 1664a36c61f9SKrishna Gudipati /* 1665a36c61f9SKrishna Gudipati * Need to retry 1666a36c61f9SKrishna Gudipati */ 1667a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); 1668a36c61f9SKrishna Gudipati break; 1669a36c61f9SKrishna Gudipati 1670a36c61f9SKrishna Gudipati case CT_RSN_UNABLE_TO_PERF: 1671a36c61f9SKrishna Gudipati /* 1672a36c61f9SKrishna Gudipati * device doesn't exist : Start timer to cleanup this later. 1673a36c61f9SKrishna Gudipati */ 1674a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1675a36c61f9SKrishna Gudipati break; 1676a36c61f9SKrishna Gudipati 1677a36c61f9SKrishna Gudipati default: 1678a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1679a36c61f9SKrishna Gudipati break; 1680a36c61f9SKrishna Gudipati } 1681a36c61f9SKrishna Gudipati } 1682a36c61f9SKrishna Gudipati 1683a36c61f9SKrishna Gudipati static void 1684a36c61f9SKrishna Gudipati bfa_fcs_rport_gpnid_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, 1685a36c61f9SKrishna Gudipati bfa_status_t req_status, u32 rsp_len, 1686a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rsp_fchs) 1687a36c61f9SKrishna Gudipati { 1688a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 1689a36c61f9SKrishna Gudipati struct ct_hdr_s *cthdr; 1690a36c61f9SKrishna Gudipati 1691a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 1692a36c61f9SKrishna Gudipati 1693a36c61f9SKrishna Gudipati cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); 1694ba816ea8SJing Huang cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); 1695a36c61f9SKrishna Gudipati 1696a36c61f9SKrishna Gudipati if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { 1697a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); 1698a36c61f9SKrishna Gudipati return; 1699a36c61f9SKrishna Gudipati } 1700a36c61f9SKrishna Gudipati 1701a36c61f9SKrishna Gudipati /* 1702a36c61f9SKrishna Gudipati * Reject Response 1703a36c61f9SKrishna Gudipati */ 1704a36c61f9SKrishna Gudipati switch (cthdr->reason_code) { 1705a36c61f9SKrishna Gudipati case CT_RSN_LOGICAL_BUSY: 1706a36c61f9SKrishna Gudipati /* 1707a36c61f9SKrishna Gudipati * Need to retry 1708a36c61f9SKrishna Gudipati */ 1709a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); 1710a36c61f9SKrishna Gudipati break; 1711a36c61f9SKrishna Gudipati 1712a36c61f9SKrishna Gudipati case CT_RSN_UNABLE_TO_PERF: 1713a36c61f9SKrishna Gudipati /* 1714a36c61f9SKrishna Gudipati * device doesn't exist : Start timer to cleanup this later. 1715a36c61f9SKrishna Gudipati */ 1716a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1717a36c61f9SKrishna Gudipati break; 1718a36c61f9SKrishna Gudipati 1719a36c61f9SKrishna Gudipati default: 1720a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FAILED); 1721a36c61f9SKrishna Gudipati break; 1722a36c61f9SKrishna Gudipati } 1723a36c61f9SKrishna Gudipati } 1724a36c61f9SKrishna Gudipati 17255fbe25c7SJing Huang /* 1726a36c61f9SKrishna Gudipati * Called to send a logout to the rport. 1727a36c61f9SKrishna Gudipati */ 1728a36c61f9SKrishna Gudipati static void 1729a36c61f9SKrishna Gudipati bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) 1730a36c61f9SKrishna Gudipati { 1731a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rport_cbarg; 1732a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port; 1733a36c61f9SKrishna Gudipati struct fchs_s fchs; 1734a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1735a36c61f9SKrishna Gudipati u16 len; 1736a36c61f9SKrishna Gudipati 1737a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1738a36c61f9SKrishna Gudipati 1739a36c61f9SKrishna Gudipati port = rport->port; 1740a36c61f9SKrishna Gudipati 1741a36c61f9SKrishna Gudipati fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); 1742a36c61f9SKrishna Gudipati if (!fcxp) { 1743a36c61f9SKrishna Gudipati bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, 1744a36c61f9SKrishna Gudipati bfa_fcs_rport_send_logo, rport); 1745a36c61f9SKrishna Gudipati return; 1746a36c61f9SKrishna Gudipati } 1747a36c61f9SKrishna Gudipati rport->fcxp = fcxp; 1748a36c61f9SKrishna Gudipati 1749a36c61f9SKrishna Gudipati len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, 1750a36c61f9SKrishna Gudipati bfa_fcs_lport_get_fcid(port), 0, 1751a36c61f9SKrishna Gudipati bfa_fcs_lport_get_pwwn(port)); 1752a36c61f9SKrishna Gudipati 1753a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1754a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, NULL, 1755a36c61f9SKrishna Gudipati rport, FC_MAX_PDUSZ, FC_ELS_TOV); 1756a36c61f9SKrishna Gudipati 1757a36c61f9SKrishna Gudipati rport->stats.logos++; 1758a36c61f9SKrishna Gudipati bfa_fcxp_discard(rport->fcxp); 1759a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); 1760a36c61f9SKrishna Gudipati } 1761a36c61f9SKrishna Gudipati 17625fbe25c7SJing Huang /* 1763a36c61f9SKrishna Gudipati * Send ACC for a LOGO received. 1764a36c61f9SKrishna Gudipati */ 1765a36c61f9SKrishna Gudipati static void 1766a36c61f9SKrishna Gudipati bfa_fcs_rport_send_logo_acc(void *rport_cbarg) 1767a36c61f9SKrishna Gudipati { 1768a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rport_cbarg; 1769a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port; 1770a36c61f9SKrishna Gudipati struct fchs_s fchs; 1771a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1772a36c61f9SKrishna Gudipati u16 len; 1773a36c61f9SKrishna Gudipati 1774a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 1775a36c61f9SKrishna Gudipati 1776a36c61f9SKrishna Gudipati port = rport->port; 1777a36c61f9SKrishna Gudipati 1778a36c61f9SKrishna Gudipati fcxp = bfa_fcs_fcxp_alloc(port->fcs); 1779a36c61f9SKrishna Gudipati if (!fcxp) 1780a36c61f9SKrishna Gudipati return; 1781a36c61f9SKrishna Gudipati 1782a36c61f9SKrishna Gudipati rport->stats.logo_rcvd++; 1783a36c61f9SKrishna Gudipati len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1784a36c61f9SKrishna Gudipati rport->pid, bfa_fcs_lport_get_fcid(port), 1785a36c61f9SKrishna Gudipati rport->reply_oxid); 1786a36c61f9SKrishna Gudipati 1787a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1788a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); 1789a36c61f9SKrishna Gudipati } 1790a36c61f9SKrishna Gudipati 17915fbe25c7SJing Huang /* 1792a36c61f9SKrishna Gudipati * brief 1793a36c61f9SKrishna Gudipati * This routine will be called by bfa_timer on timer timeouts. 1794a36c61f9SKrishna Gudipati * 1795a36c61f9SKrishna Gudipati * param[in] rport - pointer to bfa_fcs_lport_ns_t. 1796a36c61f9SKrishna Gudipati * param[out] rport_status - pointer to return vport status in 1797a36c61f9SKrishna Gudipati * 1798a36c61f9SKrishna Gudipati * return 1799a36c61f9SKrishna Gudipati * void 1800a36c61f9SKrishna Gudipati * 1801a36c61f9SKrishna Gudipati * Special Considerations: 1802a36c61f9SKrishna Gudipati * 1803a36c61f9SKrishna Gudipati * note 1804a36c61f9SKrishna Gudipati */ 1805a36c61f9SKrishna Gudipati static void 1806a36c61f9SKrishna Gudipati bfa_fcs_rport_timeout(void *arg) 1807a36c61f9SKrishna Gudipati { 1808a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) arg; 1809a36c61f9SKrishna Gudipati 1810a36c61f9SKrishna Gudipati rport->stats.plogi_timeouts++; 1811a36c61f9SKrishna Gudipati bfa_stats(rport->port, rport_plogi_timeouts); 1812a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); 1813a36c61f9SKrishna Gudipati } 1814a36c61f9SKrishna Gudipati 1815a36c61f9SKrishna Gudipati static void 1816a36c61f9SKrishna Gudipati bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, 1817a36c61f9SKrishna Gudipati struct fchs_s *rx_fchs, u16 len) 1818a36c61f9SKrishna Gudipati { 1819a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1820a36c61f9SKrishna Gudipati struct fchs_s fchs; 1821a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1822a36c61f9SKrishna Gudipati struct fc_prli_s *prli; 1823a36c61f9SKrishna Gudipati 1824a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rx_fchs->s_id); 1825a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rx_fchs->d_id); 1826a36c61f9SKrishna Gudipati 1827a36c61f9SKrishna Gudipati rport->stats.prli_rcvd++; 1828a36c61f9SKrishna Gudipati 1829a36c61f9SKrishna Gudipati /* 1830a36c61f9SKrishna Gudipati * We are in Initiator Mode 1831a36c61f9SKrishna Gudipati */ 1832a36c61f9SKrishna Gudipati prli = (struct fc_prli_s *) (rx_fchs + 1); 1833a36c61f9SKrishna Gudipati 1834a36c61f9SKrishna Gudipati if (prli->parampage.servparams.target) { 1835a36c61f9SKrishna Gudipati /* 1836a36c61f9SKrishna Gudipati * PRLI from a target ? 1837a36c61f9SKrishna Gudipati * Send the Acc. 1838a36c61f9SKrishna Gudipati * PRLI sent by us will be used to transition the IT nexus, 1839a36c61f9SKrishna Gudipati * once the response is received from the target. 1840a36c61f9SKrishna Gudipati */ 1841a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rx_fchs->s_id); 1842a36c61f9SKrishna Gudipati rport->scsi_function = BFA_RPORT_TARGET; 1843a36c61f9SKrishna Gudipati } else { 1844a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, prli->parampage.type); 1845a36c61f9SKrishna Gudipati rport->scsi_function = BFA_RPORT_INITIATOR; 1846a36c61f9SKrishna Gudipati bfa_fcs_itnim_is_initiator(rport->itnim); 1847a36c61f9SKrishna Gudipati } 1848a36c61f9SKrishna Gudipati 1849a36c61f9SKrishna Gudipati fcxp = bfa_fcs_fcxp_alloc(port->fcs); 1850a36c61f9SKrishna Gudipati if (!fcxp) 1851a36c61f9SKrishna Gudipati return; 1852a36c61f9SKrishna Gudipati 1853a36c61f9SKrishna Gudipati len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1854a36c61f9SKrishna Gudipati rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), 1855a36c61f9SKrishna Gudipati rx_fchs->ox_id, port->port_cfg.roles); 1856a36c61f9SKrishna Gudipati 1857a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1858a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); 1859a36c61f9SKrishna Gudipati } 1860a36c61f9SKrishna Gudipati 1861a36c61f9SKrishna Gudipati static void 1862a36c61f9SKrishna Gudipati bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, 1863a36c61f9SKrishna Gudipati struct fchs_s *rx_fchs, u16 len) 1864a36c61f9SKrishna Gudipati { 1865a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1866a36c61f9SKrishna Gudipati struct fchs_s fchs; 1867a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1868a36c61f9SKrishna Gudipati struct fc_rpsc_speed_info_s speeds; 1869a36c61f9SKrishna Gudipati struct bfa_port_attr_s pport_attr; 1870a36c61f9SKrishna Gudipati 1871a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rx_fchs->s_id); 1872a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rx_fchs->d_id); 1873a36c61f9SKrishna Gudipati 1874a36c61f9SKrishna Gudipati rport->stats.rpsc_rcvd++; 1875a36c61f9SKrishna Gudipati speeds.port_speed_cap = 1876a36c61f9SKrishna Gudipati RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G | 1877a36c61f9SKrishna Gudipati RPSC_SPEED_CAP_8G; 1878a36c61f9SKrishna Gudipati 1879a36c61f9SKrishna Gudipati /* 1880a36c61f9SKrishna Gudipati * get curent speed from pport attributes from BFA 1881a36c61f9SKrishna Gudipati */ 1882a36c61f9SKrishna Gudipati bfa_fcport_get_attr(port->fcs->bfa, &pport_attr); 1883a36c61f9SKrishna Gudipati 1884a36c61f9SKrishna Gudipati speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed); 1885a36c61f9SKrishna Gudipati 1886a36c61f9SKrishna Gudipati fcxp = bfa_fcs_fcxp_alloc(port->fcs); 1887a36c61f9SKrishna Gudipati if (!fcxp) 1888a36c61f9SKrishna Gudipati return; 1889a36c61f9SKrishna Gudipati 1890a36c61f9SKrishna Gudipati len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1891a36c61f9SKrishna Gudipati rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), 1892a36c61f9SKrishna Gudipati rx_fchs->ox_id, &speeds); 1893a36c61f9SKrishna Gudipati 1894a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 1895a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); 1896a36c61f9SKrishna Gudipati } 1897a36c61f9SKrishna Gudipati 1898a36c61f9SKrishna Gudipati static void 1899a36c61f9SKrishna Gudipati bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, 1900a36c61f9SKrishna Gudipati struct fchs_s *rx_fchs, u16 len) 1901a36c61f9SKrishna Gudipati { 1902a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 1903a36c61f9SKrishna Gudipati struct fchs_s fchs; 1904a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1905a36c61f9SKrishna Gudipati struct fc_adisc_s *adisc; 1906a36c61f9SKrishna Gudipati 1907a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rx_fchs->s_id); 1908a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rx_fchs->d_id); 1909a36c61f9SKrishna Gudipati 1910a36c61f9SKrishna Gudipati rport->stats.adisc_rcvd++; 1911a36c61f9SKrishna Gudipati 1912a36c61f9SKrishna Gudipati adisc = (struct fc_adisc_s *) (rx_fchs + 1); 1913a36c61f9SKrishna Gudipati 1914a36c61f9SKrishna Gudipati /* 1915a36c61f9SKrishna Gudipati * Accept if the itnim for this rport is online. 1916a36c61f9SKrishna Gudipati * Else reject the ADISC. 1917a36c61f9SKrishna Gudipati */ 1918a36c61f9SKrishna Gudipati if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) { 1919a36c61f9SKrishna Gudipati 1920a36c61f9SKrishna Gudipati fcxp = bfa_fcs_fcxp_alloc(port->fcs); 1921a36c61f9SKrishna Gudipati if (!fcxp) 1922a36c61f9SKrishna Gudipati return; 1923a36c61f9SKrishna Gudipati 1924a36c61f9SKrishna Gudipati len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 1925a36c61f9SKrishna Gudipati rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), 1926a36c61f9SKrishna Gudipati rx_fchs->ox_id, port->port_cfg.pwwn, 1927a36c61f9SKrishna Gudipati port->port_cfg.nwwn); 1928a36c61f9SKrishna Gudipati 1929a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, 1930a36c61f9SKrishna Gudipati BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, 1931a36c61f9SKrishna Gudipati FC_MAX_PDUSZ, 0); 1932a36c61f9SKrishna Gudipati } else { 1933a36c61f9SKrishna Gudipati rport->stats.adisc_rejected++; 1934a36c61f9SKrishna Gudipati bfa_fcs_rport_send_ls_rjt(rport, rx_fchs, 1935a36c61f9SKrishna Gudipati FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD, 1936a36c61f9SKrishna Gudipati FC_LS_RJT_EXP_LOGIN_REQUIRED); 1937a36c61f9SKrishna Gudipati } 1938a36c61f9SKrishna Gudipati } 1939a36c61f9SKrishna Gudipati 1940a36c61f9SKrishna Gudipati static void 1941a36c61f9SKrishna Gudipati bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport) 1942a36c61f9SKrishna Gudipati { 1943a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 1944a36c61f9SKrishna Gudipati struct bfa_rport_info_s rport_info; 1945a36c61f9SKrishna Gudipati 1946a36c61f9SKrishna Gudipati rport_info.pid = rport->pid; 1947a36c61f9SKrishna Gudipati rport_info.local_pid = port->pid; 1948a36c61f9SKrishna Gudipati rport_info.lp_tag = port->lp_tag; 1949a36c61f9SKrishna Gudipati rport_info.vf_id = port->fabric->vf_id; 1950a36c61f9SKrishna Gudipati rport_info.vf_en = port->fabric->is_vf; 1951a36c61f9SKrishna Gudipati rport_info.fc_class = rport->fc_cos; 1952a36c61f9SKrishna Gudipati rport_info.cisc = rport->cisc; 1953a36c61f9SKrishna Gudipati rport_info.max_frmsz = rport->maxfrsize; 1954a36c61f9SKrishna Gudipati bfa_rport_online(rport->bfa_rport, &rport_info); 1955a36c61f9SKrishna Gudipati } 1956a36c61f9SKrishna Gudipati 1957a36c61f9SKrishna Gudipati static struct bfa_fcs_rport_s * 1958a36c61f9SKrishna Gudipati bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid) 1959a36c61f9SKrishna Gudipati { 1960a36c61f9SKrishna Gudipati struct bfa_fcs_s *fcs = port->fcs; 1961a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 1962a36c61f9SKrishna Gudipati struct bfad_rport_s *rport_drv; 1963a36c61f9SKrishna Gudipati 19645fbe25c7SJing Huang /* 1965a36c61f9SKrishna Gudipati * allocate rport 1966a36c61f9SKrishna Gudipati */ 1967a36c61f9SKrishna Gudipati if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv) 1968a36c61f9SKrishna Gudipati != BFA_STATUS_OK) { 1969a36c61f9SKrishna Gudipati bfa_trc(fcs, rpid); 1970a36c61f9SKrishna Gudipati return NULL; 1971a36c61f9SKrishna Gudipati } 1972a36c61f9SKrishna Gudipati 1973a36c61f9SKrishna Gudipati /* 1974a36c61f9SKrishna Gudipati * Initialize r-port 1975a36c61f9SKrishna Gudipati */ 1976a36c61f9SKrishna Gudipati rport->port = port; 1977a36c61f9SKrishna Gudipati rport->fcs = fcs; 1978a36c61f9SKrishna Gudipati rport->rp_drv = rport_drv; 1979a36c61f9SKrishna Gudipati rport->pid = rpid; 1980a36c61f9SKrishna Gudipati rport->pwwn = pwwn; 1981a36c61f9SKrishna Gudipati 19825fbe25c7SJing Huang /* 1983a36c61f9SKrishna Gudipati * allocate BFA rport 1984a36c61f9SKrishna Gudipati */ 1985a36c61f9SKrishna Gudipati rport->bfa_rport = bfa_rport_create(port->fcs->bfa, rport); 1986a36c61f9SKrishna Gudipati if (!rport->bfa_rport) { 1987a36c61f9SKrishna Gudipati bfa_trc(fcs, rpid); 1988a36c61f9SKrishna Gudipati kfree(rport_drv); 1989a36c61f9SKrishna Gudipati return NULL; 1990a36c61f9SKrishna Gudipati } 1991a36c61f9SKrishna Gudipati 19925fbe25c7SJing Huang /* 1993a36c61f9SKrishna Gudipati * allocate FC-4s 1994a36c61f9SKrishna Gudipati */ 1995a36c61f9SKrishna Gudipati bfa_assert(bfa_fcs_lport_is_initiator(port)); 1996a36c61f9SKrishna Gudipati 1997a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_initiator(port)) { 1998a36c61f9SKrishna Gudipati rport->itnim = bfa_fcs_itnim_create(rport); 1999a36c61f9SKrishna Gudipati if (!rport->itnim) { 2000a36c61f9SKrishna Gudipati bfa_trc(fcs, rpid); 2001a36c61f9SKrishna Gudipati bfa_rport_delete(rport->bfa_rport); 2002a36c61f9SKrishna Gudipati kfree(rport_drv); 2003a36c61f9SKrishna Gudipati return NULL; 2004a36c61f9SKrishna Gudipati } 2005a36c61f9SKrishna Gudipati } 2006a36c61f9SKrishna Gudipati 2007a36c61f9SKrishna Gudipati bfa_fcs_lport_add_rport(port, rport); 2008a36c61f9SKrishna Gudipati 2009a36c61f9SKrishna Gudipati bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); 2010a36c61f9SKrishna Gudipati 2011a36c61f9SKrishna Gudipati /* Initialize the Rport Features(RPF) Sub Module */ 2012a36c61f9SKrishna Gudipati if (!BFA_FCS_PID_IS_WKA(rport->pid)) 2013a36c61f9SKrishna Gudipati bfa_fcs_rpf_init(rport); 2014a36c61f9SKrishna Gudipati 2015a36c61f9SKrishna Gudipati return rport; 2016a36c61f9SKrishna Gudipati } 2017a36c61f9SKrishna Gudipati 2018a36c61f9SKrishna Gudipati 2019a36c61f9SKrishna Gudipati static void 2020a36c61f9SKrishna Gudipati bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport) 2021a36c61f9SKrishna Gudipati { 2022a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 2023a36c61f9SKrishna Gudipati 20245fbe25c7SJing Huang /* 2025a36c61f9SKrishna Gudipati * - delete FC-4s 2026a36c61f9SKrishna Gudipati * - delete BFA rport 2027a36c61f9SKrishna Gudipati * - remove from queue of rports 2028a36c61f9SKrishna Gudipati */ 2029a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_initiator(port)) { 2030a36c61f9SKrishna Gudipati bfa_fcs_itnim_delete(rport->itnim); 2031a36c61f9SKrishna Gudipati if (rport->pid != 0 && !BFA_FCS_PID_IS_WKA(rport->pid)) 2032a36c61f9SKrishna Gudipati bfa_fcs_rpf_rport_offline(rport); 2033a36c61f9SKrishna Gudipati } 2034a36c61f9SKrishna Gudipati 2035a36c61f9SKrishna Gudipati bfa_rport_delete(rport->bfa_rport); 2036a36c61f9SKrishna Gudipati bfa_fcs_lport_del_rport(port, rport); 2037a36c61f9SKrishna Gudipati kfree(rport->rp_drv); 2038a36c61f9SKrishna Gudipati } 2039a36c61f9SKrishna Gudipati 2040a36c61f9SKrishna Gudipati static void 2041a36c61f9SKrishna Gudipati bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport) 2042a36c61f9SKrishna Gudipati { 2043a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 2044a36c61f9SKrishna Gudipati struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; 2045a36c61f9SKrishna Gudipati char lpwwn_buf[BFA_STRING_32]; 2046a36c61f9SKrishna Gudipati char rpwwn_buf[BFA_STRING_32]; 2047a36c61f9SKrishna Gudipati 2048a36c61f9SKrishna Gudipati rport->stats.onlines++; 2049a36c61f9SKrishna Gudipati 2050a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_initiator(port)) { 2051a36c61f9SKrishna Gudipati bfa_fcs_itnim_rport_online(rport->itnim); 2052a36c61f9SKrishna Gudipati if (!BFA_FCS_PID_IS_WKA(rport->pid)) 2053a36c61f9SKrishna Gudipati bfa_fcs_rpf_rport_online(rport); 2054a36c61f9SKrishna Gudipati }; 2055a36c61f9SKrishna Gudipati 2056a36c61f9SKrishna Gudipati wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); 2057a36c61f9SKrishna Gudipati wwn2str(rpwwn_buf, rport->pwwn); 2058a36c61f9SKrishna Gudipati if (!BFA_FCS_PID_IS_WKA(rport->pid)) 2059a36c61f9SKrishna Gudipati BFA_LOG(KERN_INFO, bfad, log_level, 2060a36c61f9SKrishna Gudipati "Remote port (WWN = %s) online for logical port (WWN = %s)\n", 2061a36c61f9SKrishna Gudipati rpwwn_buf, lpwwn_buf); 2062a36c61f9SKrishna Gudipati } 2063a36c61f9SKrishna Gudipati 2064a36c61f9SKrishna Gudipati static void 2065a36c61f9SKrishna Gudipati bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport) 2066a36c61f9SKrishna Gudipati { 2067a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 2068a36c61f9SKrishna Gudipati struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; 2069a36c61f9SKrishna Gudipati char lpwwn_buf[BFA_STRING_32]; 2070a36c61f9SKrishna Gudipati char rpwwn_buf[BFA_STRING_32]; 2071a36c61f9SKrishna Gudipati 2072a36c61f9SKrishna Gudipati rport->stats.offlines++; 2073a36c61f9SKrishna Gudipati 2074a36c61f9SKrishna Gudipati wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); 2075a36c61f9SKrishna Gudipati wwn2str(rpwwn_buf, rport->pwwn); 2076a36c61f9SKrishna Gudipati if (!BFA_FCS_PID_IS_WKA(rport->pid)) { 2077a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_online(rport->port) == BFA_TRUE) 2078a36c61f9SKrishna Gudipati BFA_LOG(KERN_ERR, bfad, log_level, 2079a36c61f9SKrishna Gudipati "Remote port (WWN = %s) connectivity lost for " 2080a36c61f9SKrishna Gudipati "logical port (WWN = %s)\n", 2081a36c61f9SKrishna Gudipati rpwwn_buf, lpwwn_buf); 2082a36c61f9SKrishna Gudipati else 2083a36c61f9SKrishna Gudipati BFA_LOG(KERN_INFO, bfad, log_level, 2084a36c61f9SKrishna Gudipati "Remote port (WWN = %s) offlined by " 2085a36c61f9SKrishna Gudipati "logical port (WWN = %s)\n", 2086a36c61f9SKrishna Gudipati rpwwn_buf, lpwwn_buf); 2087a36c61f9SKrishna Gudipati } 2088a36c61f9SKrishna Gudipati 2089a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_initiator(port)) { 2090a36c61f9SKrishna Gudipati bfa_fcs_itnim_rport_offline(rport->itnim); 2091a36c61f9SKrishna Gudipati if (!BFA_FCS_PID_IS_WKA(rport->pid)) 2092a36c61f9SKrishna Gudipati bfa_fcs_rpf_rport_offline(rport); 2093a36c61f9SKrishna Gudipati } 2094a36c61f9SKrishna Gudipati } 2095a36c61f9SKrishna Gudipati 20965fbe25c7SJing Huang /* 2097a36c61f9SKrishna Gudipati * Update rport parameters from PLOGI or PLOGI accept. 2098a36c61f9SKrishna Gudipati */ 2099a36c61f9SKrishna Gudipati static void 2100a36c61f9SKrishna Gudipati bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) 2101a36c61f9SKrishna Gudipati { 2102a36c61f9SKrishna Gudipati bfa_fcs_lport_t *port = rport->port; 2103a36c61f9SKrishna Gudipati 21045fbe25c7SJing Huang /* 2105a36c61f9SKrishna Gudipati * - port name 2106a36c61f9SKrishna Gudipati * - node name 2107a36c61f9SKrishna Gudipati */ 2108a36c61f9SKrishna Gudipati rport->pwwn = plogi->port_name; 2109a36c61f9SKrishna Gudipati rport->nwwn = plogi->node_name; 2110a36c61f9SKrishna Gudipati 21115fbe25c7SJing Huang /* 2112a36c61f9SKrishna Gudipati * - class of service 2113a36c61f9SKrishna Gudipati */ 2114a36c61f9SKrishna Gudipati rport->fc_cos = 0; 2115a36c61f9SKrishna Gudipati if (plogi->class3.class_valid) 2116a36c61f9SKrishna Gudipati rport->fc_cos = FC_CLASS_3; 2117a36c61f9SKrishna Gudipati 2118a36c61f9SKrishna Gudipati if (plogi->class2.class_valid) 2119a36c61f9SKrishna Gudipati rport->fc_cos |= FC_CLASS_2; 2120a36c61f9SKrishna Gudipati 21215fbe25c7SJing Huang /* 2122a36c61f9SKrishna Gudipati * - CISC 2123a36c61f9SKrishna Gudipati * - MAX receive frame size 2124a36c61f9SKrishna Gudipati */ 2125a36c61f9SKrishna Gudipati rport->cisc = plogi->csp.cisc; 2126ba816ea8SJing Huang rport->maxfrsize = be16_to_cpu(plogi->class3.rxsz); 2127a36c61f9SKrishna Gudipati 2128ba816ea8SJing Huang bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); 2129a36c61f9SKrishna Gudipati bfa_trc(port->fcs, port->fabric->bb_credit); 21305fbe25c7SJing Huang /* 2131a36c61f9SKrishna Gudipati * Direct Attach P2P mode : 2132a36c61f9SKrishna Gudipati * This is to handle a bug (233476) in IBM targets in Direct Attach 2133a36c61f9SKrishna Gudipati * Mode. Basically, in FLOGI Accept the target would have 2134a36c61f9SKrishna Gudipati * erroneously set the BB Credit to the value used in the FLOGI 2135a36c61f9SKrishna Gudipati * sent by the HBA. It uses the correct value (its own BB credit) 2136a36c61f9SKrishna Gudipati * in PLOGI. 2137a36c61f9SKrishna Gudipati */ 2138a36c61f9SKrishna Gudipati if ((!bfa_fcs_fabric_is_switched(port->fabric)) && 2139ba816ea8SJing Huang (be16_to_cpu(plogi->csp.bbcred) < port->fabric->bb_credit)) { 2140a36c61f9SKrishna Gudipati 2141ba816ea8SJing Huang bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); 2142a36c61f9SKrishna Gudipati bfa_trc(port->fcs, port->fabric->bb_credit); 2143a36c61f9SKrishna Gudipati 2144ba816ea8SJing Huang port->fabric->bb_credit = be16_to_cpu(plogi->csp.bbcred); 2145a36c61f9SKrishna Gudipati bfa_fcport_set_tx_bbcredit(port->fcs->bfa, 2146a36c61f9SKrishna Gudipati port->fabric->bb_credit); 2147a36c61f9SKrishna Gudipati } 2148a36c61f9SKrishna Gudipati 2149a36c61f9SKrishna Gudipati } 2150a36c61f9SKrishna Gudipati 21515fbe25c7SJing Huang /* 2152a36c61f9SKrishna Gudipati * Called to handle LOGO received from an existing remote port. 2153a36c61f9SKrishna Gudipati */ 2154a36c61f9SKrishna Gudipati static void 2155a36c61f9SKrishna Gudipati bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs) 2156a36c61f9SKrishna Gudipati { 2157a36c61f9SKrishna Gudipati rport->reply_oxid = fchs->ox_id; 2158a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->reply_oxid); 2159a36c61f9SKrishna Gudipati 2160a36c61f9SKrishna Gudipati rport->prlo = BFA_FALSE; 2161a36c61f9SKrishna Gudipati rport->stats.logo_rcvd++; 2162a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD); 2163a36c61f9SKrishna Gudipati } 2164a36c61f9SKrishna Gudipati 2165a36c61f9SKrishna Gudipati 2166a36c61f9SKrishna Gudipati 21675fbe25c7SJing Huang /* 2168a36c61f9SKrishna Gudipati * fcs_rport_public FCS rport public interfaces 2169a36c61f9SKrishna Gudipati */ 2170a36c61f9SKrishna Gudipati 21715fbe25c7SJing Huang /* 2172a36c61f9SKrishna Gudipati * Called by bport/vport to create a remote port instance for a discovered 2173a36c61f9SKrishna Gudipati * remote device. 2174a36c61f9SKrishna Gudipati * 2175a36c61f9SKrishna Gudipati * @param[in] port - base port or vport 2176a36c61f9SKrishna Gudipati * @param[in] rpid - remote port ID 2177a36c61f9SKrishna Gudipati * 2178a36c61f9SKrishna Gudipati * @return None 2179a36c61f9SKrishna Gudipati */ 2180a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s * 2181a36c61f9SKrishna Gudipati bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, u32 rpid) 2182a36c61f9SKrishna Gudipati { 2183a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 2184a36c61f9SKrishna Gudipati 2185a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rpid); 2186a36c61f9SKrishna Gudipati rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid); 2187a36c61f9SKrishna Gudipati if (!rport) 2188a36c61f9SKrishna Gudipati return NULL; 2189a36c61f9SKrishna Gudipati 2190a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); 2191a36c61f9SKrishna Gudipati return rport; 2192a36c61f9SKrishna Gudipati } 2193a36c61f9SKrishna Gudipati 21945fbe25c7SJing Huang /* 2195a36c61f9SKrishna Gudipati * Called to create a rport for which only the wwn is known. 2196a36c61f9SKrishna Gudipati * 2197a36c61f9SKrishna Gudipati * @param[in] port - base port 2198a36c61f9SKrishna Gudipati * @param[in] rpwwn - remote port wwn 2199a36c61f9SKrishna Gudipati * 2200a36c61f9SKrishna Gudipati * @return None 2201a36c61f9SKrishna Gudipati */ 2202a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s * 2203a36c61f9SKrishna Gudipati bfa_fcs_rport_create_by_wwn(struct bfa_fcs_lport_s *port, wwn_t rpwwn) 2204a36c61f9SKrishna Gudipati { 2205a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 2206a36c61f9SKrishna Gudipati bfa_trc(port->fcs, rpwwn); 2207a36c61f9SKrishna Gudipati rport = bfa_fcs_rport_alloc(port, rpwwn, 0); 2208a36c61f9SKrishna Gudipati if (!rport) 2209a36c61f9SKrishna Gudipati return NULL; 2210a36c61f9SKrishna Gudipati 2211a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC); 2212a36c61f9SKrishna Gudipati return rport; 2213a36c61f9SKrishna Gudipati } 22145fbe25c7SJing Huang /* 2215a36c61f9SKrishna Gudipati * Called by bport in private loop topology to indicate that a 2216a36c61f9SKrishna Gudipati * rport has been discovered and plogi has been completed. 2217a36c61f9SKrishna Gudipati * 2218a36c61f9SKrishna Gudipati * @param[in] port - base port or vport 2219a36c61f9SKrishna Gudipati * @param[in] rpid - remote port ID 2220a36c61f9SKrishna Gudipati */ 2221a36c61f9SKrishna Gudipati void 2222a36c61f9SKrishna Gudipati bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, 2223a36c61f9SKrishna Gudipati struct fc_logi_s *plogi) 2224a36c61f9SKrishna Gudipati { 2225a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 2226a36c61f9SKrishna Gudipati 2227a36c61f9SKrishna Gudipati rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id); 2228a36c61f9SKrishna Gudipati if (!rport) 2229a36c61f9SKrishna Gudipati return; 2230a36c61f9SKrishna Gudipati 2231a36c61f9SKrishna Gudipati bfa_fcs_rport_update(rport, plogi); 2232a36c61f9SKrishna Gudipati 2233a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP); 2234a36c61f9SKrishna Gudipati } 2235a36c61f9SKrishna Gudipati 22365fbe25c7SJing Huang /* 2237a36c61f9SKrishna Gudipati * Called by bport/vport to handle PLOGI received from a new remote port. 2238a36c61f9SKrishna Gudipati * If an existing rport does a plogi, it will be handled separately. 2239a36c61f9SKrishna Gudipati */ 2240a36c61f9SKrishna Gudipati void 2241a36c61f9SKrishna Gudipati bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, 2242a36c61f9SKrishna Gudipati struct fc_logi_s *plogi) 2243a36c61f9SKrishna Gudipati { 2244a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 2245a36c61f9SKrishna Gudipati 2246a36c61f9SKrishna Gudipati rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id); 2247a36c61f9SKrishna Gudipati if (!rport) 2248a36c61f9SKrishna Gudipati return; 2249a36c61f9SKrishna Gudipati 2250a36c61f9SKrishna Gudipati bfa_fcs_rport_update(rport, plogi); 2251a36c61f9SKrishna Gudipati 2252a36c61f9SKrishna Gudipati rport->reply_oxid = fchs->ox_id; 2253a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->reply_oxid); 2254a36c61f9SKrishna Gudipati 2255a36c61f9SKrishna Gudipati rport->stats.plogi_rcvd++; 2256a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); 2257a36c61f9SKrishna Gudipati } 2258a36c61f9SKrishna Gudipati 2259a36c61f9SKrishna Gudipati static int 2260a36c61f9SKrishna Gudipati wwn_compare(wwn_t wwn1, wwn_t wwn2) 2261a36c61f9SKrishna Gudipati { 2262a36c61f9SKrishna Gudipati u8 *b1 = (u8 *) &wwn1; 2263a36c61f9SKrishna Gudipati u8 *b2 = (u8 *) &wwn2; 2264a36c61f9SKrishna Gudipati int i; 2265a36c61f9SKrishna Gudipati 2266a36c61f9SKrishna Gudipati for (i = 0; i < sizeof(wwn_t); i++) { 2267a36c61f9SKrishna Gudipati if (b1[i] < b2[i]) 2268a36c61f9SKrishna Gudipati return -1; 2269a36c61f9SKrishna Gudipati if (b1[i] > b2[i]) 2270a36c61f9SKrishna Gudipati return 1; 2271a36c61f9SKrishna Gudipati } 2272a36c61f9SKrishna Gudipati return 0; 2273a36c61f9SKrishna Gudipati } 2274a36c61f9SKrishna Gudipati 22755fbe25c7SJing Huang /* 2276a36c61f9SKrishna Gudipati * Called by bport/vport to handle PLOGI received from an existing 2277a36c61f9SKrishna Gudipati * remote port. 2278a36c61f9SKrishna Gudipati */ 2279a36c61f9SKrishna Gudipati void 2280a36c61f9SKrishna Gudipati bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, 2281a36c61f9SKrishna Gudipati struct fc_logi_s *plogi) 2282a36c61f9SKrishna Gudipati { 22835fbe25c7SJing Huang /* 2284a36c61f9SKrishna Gudipati * @todo Handle P2P and initiator-initiator. 2285a36c61f9SKrishna Gudipati */ 2286a36c61f9SKrishna Gudipati 2287a36c61f9SKrishna Gudipati bfa_fcs_rport_update(rport, plogi); 2288a36c61f9SKrishna Gudipati 2289a36c61f9SKrishna Gudipati rport->reply_oxid = rx_fchs->ox_id; 2290a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->reply_oxid); 2291a36c61f9SKrishna Gudipati 22925fbe25c7SJing Huang /* 2293a36c61f9SKrishna Gudipati * In Switched fabric topology, 2294a36c61f9SKrishna Gudipati * PLOGI to each other. If our pwwn is smaller, ignore it, 2295a36c61f9SKrishna Gudipati * if it is not a well known address. 2296a36c61f9SKrishna Gudipati * If the link topology is N2N, 2297a36c61f9SKrishna Gudipati * this Plogi should be accepted. 2298a36c61f9SKrishna Gudipati */ 2299a36c61f9SKrishna Gudipati if ((wwn_compare(rport->port->port_cfg.pwwn, rport->pwwn) == -1) && 2300a36c61f9SKrishna Gudipati (bfa_fcs_fabric_is_switched(rport->port->fabric)) && 2301a36c61f9SKrishna Gudipati (!BFA_FCS_PID_IS_WKA(rport->pid))) { 2302a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2303a36c61f9SKrishna Gudipati return; 2304a36c61f9SKrishna Gudipati } 2305a36c61f9SKrishna Gudipati 2306a36c61f9SKrishna Gudipati rport->stats.plogi_rcvd++; 2307a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); 2308a36c61f9SKrishna Gudipati } 2309a36c61f9SKrishna Gudipati 23105fbe25c7SJing Huang /* 2311a36c61f9SKrishna Gudipati * Called by bport/vport to delete a remote port instance. 2312a36c61f9SKrishna Gudipati * 2313a36c61f9SKrishna Gudipati * Rport delete is called under the following conditions: 2314a36c61f9SKrishna Gudipati * - vport is deleted 2315a36c61f9SKrishna Gudipati * - vf is deleted 2316a36c61f9SKrishna Gudipati * - explicit request from OS to delete rport 2317a36c61f9SKrishna Gudipati */ 2318a36c61f9SKrishna Gudipati void 2319a36c61f9SKrishna Gudipati bfa_fcs_rport_delete(struct bfa_fcs_rport_s *rport) 2320a36c61f9SKrishna Gudipati { 2321a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_DELETE); 2322a36c61f9SKrishna Gudipati } 2323a36c61f9SKrishna Gudipati 23245fbe25c7SJing Huang /* 2325a36c61f9SKrishna Gudipati * Called by bport/vport to when a target goes offline. 2326a36c61f9SKrishna Gudipati * 2327a36c61f9SKrishna Gudipati */ 2328a36c61f9SKrishna Gudipati void 2329a36c61f9SKrishna Gudipati bfa_fcs_rport_offline(struct bfa_fcs_rport_s *rport) 2330a36c61f9SKrishna Gudipati { 2331a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); 2332a36c61f9SKrishna Gudipati } 2333a36c61f9SKrishna Gudipati 23345fbe25c7SJing Huang /* 2335a36c61f9SKrishna Gudipati * Called by bport in n2n when a target (attached port) becomes online. 2336a36c61f9SKrishna Gudipati * 2337a36c61f9SKrishna Gudipati */ 2338a36c61f9SKrishna Gudipati void 2339a36c61f9SKrishna Gudipati bfa_fcs_rport_online(struct bfa_fcs_rport_s *rport) 2340a36c61f9SKrishna Gudipati { 2341a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); 2342a36c61f9SKrishna Gudipati } 23435fbe25c7SJing Huang /* 2344a36c61f9SKrishna Gudipati * Called by bport/vport to notify SCN for the remote port 2345a36c61f9SKrishna Gudipati */ 2346a36c61f9SKrishna Gudipati void 2347a36c61f9SKrishna Gudipati bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) 2348a36c61f9SKrishna Gudipati { 2349a36c61f9SKrishna Gudipati rport->stats.rscns++; 2350a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_SCN); 2351a36c61f9SKrishna Gudipati } 2352a36c61f9SKrishna Gudipati 23535fbe25c7SJing Huang /* 2354a36c61f9SKrishna Gudipati * Called by fcpim to notify that the ITN cleanup is done. 2355a36c61f9SKrishna Gudipati */ 2356a36c61f9SKrishna Gudipati void 2357a36c61f9SKrishna Gudipati bfa_fcs_rport_itnim_ack(struct bfa_fcs_rport_s *rport) 2358a36c61f9SKrishna Gudipati { 2359a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); 2360a36c61f9SKrishna Gudipati } 2361a36c61f9SKrishna Gudipati 23625fbe25c7SJing Huang /* 2363a36c61f9SKrishna Gudipati * Called by fcptm to notify that the ITN cleanup is done. 2364a36c61f9SKrishna Gudipati */ 2365a36c61f9SKrishna Gudipati void 2366a36c61f9SKrishna Gudipati bfa_fcs_rport_tin_ack(struct bfa_fcs_rport_s *rport) 2367a36c61f9SKrishna Gudipati { 2368a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); 2369a36c61f9SKrishna Gudipati } 2370a36c61f9SKrishna Gudipati 23715fbe25c7SJing Huang /* 2372a36c61f9SKrishna Gudipati * brief 2373a36c61f9SKrishna Gudipati * This routine BFA callback for bfa_rport_online() call. 2374a36c61f9SKrishna Gudipati * 2375a36c61f9SKrishna Gudipati * param[in] cb_arg - rport struct. 2376a36c61f9SKrishna Gudipati * 2377a36c61f9SKrishna Gudipati * return 2378a36c61f9SKrishna Gudipati * void 2379a36c61f9SKrishna Gudipati * 2380a36c61f9SKrishna Gudipati * Special Considerations: 2381a36c61f9SKrishna Gudipati * 2382a36c61f9SKrishna Gudipati * note 2383a36c61f9SKrishna Gudipati */ 2384a36c61f9SKrishna Gudipati void 2385a36c61f9SKrishna Gudipati bfa_cb_rport_online(void *cbarg) 2386a36c61f9SKrishna Gudipati { 2387a36c61f9SKrishna Gudipati 2388a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 2389a36c61f9SKrishna Gudipati 2390a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2391a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE); 2392a36c61f9SKrishna Gudipati } 2393a36c61f9SKrishna Gudipati 23945fbe25c7SJing Huang /* 2395a36c61f9SKrishna Gudipati * brief 2396a36c61f9SKrishna Gudipati * This routine BFA callback for bfa_rport_offline() call. 2397a36c61f9SKrishna Gudipati * 2398a36c61f9SKrishna Gudipati * param[in] rport - 2399a36c61f9SKrishna Gudipati * 2400a36c61f9SKrishna Gudipati * return 2401a36c61f9SKrishna Gudipati * void 2402a36c61f9SKrishna Gudipati * 2403a36c61f9SKrishna Gudipati * Special Considerations: 2404a36c61f9SKrishna Gudipati * 2405a36c61f9SKrishna Gudipati * note 2406a36c61f9SKrishna Gudipati */ 2407a36c61f9SKrishna Gudipati void 2408a36c61f9SKrishna Gudipati bfa_cb_rport_offline(void *cbarg) 2409a36c61f9SKrishna Gudipati { 2410a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 2411a36c61f9SKrishna Gudipati 2412a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2413a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE); 2414a36c61f9SKrishna Gudipati } 2415a36c61f9SKrishna Gudipati 24165fbe25c7SJing Huang /* 2417a36c61f9SKrishna Gudipati * brief 2418a36c61f9SKrishna Gudipati * This routine is a static BFA callback when there is a QoS flow_id 2419a36c61f9SKrishna Gudipati * change notification 2420a36c61f9SKrishna Gudipati * 2421a36c61f9SKrishna Gudipati * param[in] rport - 2422a36c61f9SKrishna Gudipati * 2423a36c61f9SKrishna Gudipati * return 2424a36c61f9SKrishna Gudipati * void 2425a36c61f9SKrishna Gudipati * 2426a36c61f9SKrishna Gudipati * Special Considerations: 2427a36c61f9SKrishna Gudipati * 2428a36c61f9SKrishna Gudipati * note 2429a36c61f9SKrishna Gudipati */ 2430a36c61f9SKrishna Gudipati void 2431a36c61f9SKrishna Gudipati bfa_cb_rport_qos_scn_flowid(void *cbarg, 2432a36c61f9SKrishna Gudipati struct bfa_rport_qos_attr_s old_qos_attr, 2433a36c61f9SKrishna Gudipati struct bfa_rport_qos_attr_s new_qos_attr) 2434a36c61f9SKrishna Gudipati { 2435a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 2436a36c61f9SKrishna Gudipati 2437a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2438a36c61f9SKrishna Gudipati } 2439a36c61f9SKrishna Gudipati 24405fbe25c7SJing Huang /* 2441a36c61f9SKrishna Gudipati * brief 2442a36c61f9SKrishna Gudipati * This routine is a static BFA callback when there is a QoS priority 2443a36c61f9SKrishna Gudipati * change notification 2444a36c61f9SKrishna Gudipati * 2445a36c61f9SKrishna Gudipati * param[in] rport - 2446a36c61f9SKrishna Gudipati * 2447a36c61f9SKrishna Gudipati * return 2448a36c61f9SKrishna Gudipati * void 2449a36c61f9SKrishna Gudipati * 2450a36c61f9SKrishna Gudipati * Special Considerations: 2451a36c61f9SKrishna Gudipati * 2452a36c61f9SKrishna Gudipati * note 2453a36c61f9SKrishna Gudipati */ 2454a36c61f9SKrishna Gudipati void 2455a36c61f9SKrishna Gudipati bfa_cb_rport_qos_scn_prio(void *cbarg, 2456a36c61f9SKrishna Gudipati struct bfa_rport_qos_attr_s old_qos_attr, 2457a36c61f9SKrishna Gudipati struct bfa_rport_qos_attr_s new_qos_attr) 2458a36c61f9SKrishna Gudipati { 2459a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; 2460a36c61f9SKrishna Gudipati 2461a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2462a36c61f9SKrishna Gudipati } 2463a36c61f9SKrishna Gudipati 24645fbe25c7SJing Huang /* 2465a36c61f9SKrishna Gudipati * Called to process any unsolicted frames from this remote port 2466a36c61f9SKrishna Gudipati */ 2467a36c61f9SKrishna Gudipati void 2468a36c61f9SKrishna Gudipati bfa_fcs_rport_logo_imp(struct bfa_fcs_rport_s *rport) 2469a36c61f9SKrishna Gudipati { 2470a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); 2471a36c61f9SKrishna Gudipati } 2472a36c61f9SKrishna Gudipati 24735fbe25c7SJing Huang /* 2474a36c61f9SKrishna Gudipati * Called to process any unsolicted frames from this remote port 2475a36c61f9SKrishna Gudipati */ 2476a36c61f9SKrishna Gudipati void 2477a36c61f9SKrishna Gudipati bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, 2478a36c61f9SKrishna Gudipati struct fchs_s *fchs, u16 len) 2479a36c61f9SKrishna Gudipati { 2480a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 2481a36c61f9SKrishna Gudipati struct fc_els_cmd_s *els_cmd; 2482a36c61f9SKrishna Gudipati 2483a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, fchs->s_id); 2484a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, fchs->d_id); 2485a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, fchs->type); 2486a36c61f9SKrishna Gudipati 2487a36c61f9SKrishna Gudipati if (fchs->type != FC_TYPE_ELS) 2488a36c61f9SKrishna Gudipati return; 2489a36c61f9SKrishna Gudipati 2490a36c61f9SKrishna Gudipati els_cmd = (struct fc_els_cmd_s *) (fchs + 1); 2491a36c61f9SKrishna Gudipati 2492a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, els_cmd->els_code); 2493a36c61f9SKrishna Gudipati 2494a36c61f9SKrishna Gudipati switch (els_cmd->els_code) { 2495a36c61f9SKrishna Gudipati case FC_ELS_LOGO: 2496a36c61f9SKrishna Gudipati bfa_stats(port, plogi_rcvd); 2497a36c61f9SKrishna Gudipati bfa_fcs_rport_process_logo(rport, fchs); 2498a36c61f9SKrishna Gudipati break; 2499a36c61f9SKrishna Gudipati 2500a36c61f9SKrishna Gudipati case FC_ELS_ADISC: 2501a36c61f9SKrishna Gudipati bfa_stats(port, adisc_rcvd); 2502a36c61f9SKrishna Gudipati bfa_fcs_rport_process_adisc(rport, fchs, len); 2503a36c61f9SKrishna Gudipati break; 2504a36c61f9SKrishna Gudipati 2505a36c61f9SKrishna Gudipati case FC_ELS_PRLO: 2506a36c61f9SKrishna Gudipati bfa_stats(port, prlo_rcvd); 2507a36c61f9SKrishna Gudipati if (bfa_fcs_lport_is_initiator(port)) 2508a36c61f9SKrishna Gudipati bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len); 2509a36c61f9SKrishna Gudipati break; 2510a36c61f9SKrishna Gudipati 2511a36c61f9SKrishna Gudipati case FC_ELS_PRLI: 2512a36c61f9SKrishna Gudipati bfa_stats(port, prli_rcvd); 2513a36c61f9SKrishna Gudipati bfa_fcs_rport_process_prli(rport, fchs, len); 2514a36c61f9SKrishna Gudipati break; 2515a36c61f9SKrishna Gudipati 2516a36c61f9SKrishna Gudipati case FC_ELS_RPSC: 2517a36c61f9SKrishna Gudipati bfa_stats(port, rpsc_rcvd); 2518a36c61f9SKrishna Gudipati bfa_fcs_rport_process_rpsc(rport, fchs, len); 2519a36c61f9SKrishna Gudipati break; 2520a36c61f9SKrishna Gudipati 2521a36c61f9SKrishna Gudipati default: 2522a36c61f9SKrishna Gudipati bfa_stats(port, un_handled_els_rcvd); 2523a36c61f9SKrishna Gudipati bfa_fcs_rport_send_ls_rjt(rport, fchs, 2524a36c61f9SKrishna Gudipati FC_LS_RJT_RSN_CMD_NOT_SUPP, 2525a36c61f9SKrishna Gudipati FC_LS_RJT_EXP_NO_ADDL_INFO); 2526a36c61f9SKrishna Gudipati break; 2527a36c61f9SKrishna Gudipati } 2528a36c61f9SKrishna Gudipati } 2529a36c61f9SKrishna Gudipati 2530a36c61f9SKrishna Gudipati /* send best case acc to prlo */ 2531a36c61f9SKrishna Gudipati static void 2532a36c61f9SKrishna Gudipati bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport) 2533a36c61f9SKrishna Gudipati { 2534a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 2535a36c61f9SKrishna Gudipati struct fchs_s fchs; 2536a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 2537a36c61f9SKrishna Gudipati int len; 2538a36c61f9SKrishna Gudipati 2539a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2540a36c61f9SKrishna Gudipati 2541a36c61f9SKrishna Gudipati fcxp = bfa_fcs_fcxp_alloc(port->fcs); 2542a36c61f9SKrishna Gudipati if (!fcxp) 2543a36c61f9SKrishna Gudipati return; 2544a36c61f9SKrishna Gudipati len = fc_prlo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 2545a36c61f9SKrishna Gudipati rport->pid, bfa_fcs_lport_get_fcid(port), 2546a36c61f9SKrishna Gudipati rport->reply_oxid, 0); 2547a36c61f9SKrishna Gudipati 2548a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id, 2549a36c61f9SKrishna Gudipati port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, 2550a36c61f9SKrishna Gudipati NULL, NULL, FC_MAX_PDUSZ, 0); 2551a36c61f9SKrishna Gudipati } 2552a36c61f9SKrishna Gudipati 2553a36c61f9SKrishna Gudipati /* 2554a36c61f9SKrishna Gudipati * Send a LS reject 2555a36c61f9SKrishna Gudipati */ 2556a36c61f9SKrishna Gudipati static void 2557a36c61f9SKrishna Gudipati bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, 2558a36c61f9SKrishna Gudipati u8 reason_code, u8 reason_code_expl) 2559a36c61f9SKrishna Gudipati { 2560a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 2561a36c61f9SKrishna Gudipati struct fchs_s fchs; 2562a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 2563a36c61f9SKrishna Gudipati int len; 2564a36c61f9SKrishna Gudipati 2565a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rx_fchs->s_id); 2566a36c61f9SKrishna Gudipati 2567a36c61f9SKrishna Gudipati fcxp = bfa_fcs_fcxp_alloc(rport->fcs); 2568a36c61f9SKrishna Gudipati if (!fcxp) 2569a36c61f9SKrishna Gudipati return; 2570a36c61f9SKrishna Gudipati 2571a36c61f9SKrishna Gudipati len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), 2572a36c61f9SKrishna Gudipati rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), 2573a36c61f9SKrishna Gudipati rx_fchs->ox_id, reason_code, reason_code_expl); 2574a36c61f9SKrishna Gudipati 2575a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, 2576a36c61f9SKrishna Gudipati BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, 2577a36c61f9SKrishna Gudipati FC_MAX_PDUSZ, 0); 2578a36c61f9SKrishna Gudipati } 2579a36c61f9SKrishna Gudipati 25805fbe25c7SJing Huang /* 2581a36c61f9SKrishna Gudipati * Return state of rport. 2582a36c61f9SKrishna Gudipati */ 2583a36c61f9SKrishna Gudipati int 2584a36c61f9SKrishna Gudipati bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) 2585a36c61f9SKrishna Gudipati { 2586a36c61f9SKrishna Gudipati return bfa_sm_to_state(rport_sm_table, rport->sm); 2587a36c61f9SKrishna Gudipati } 2588a36c61f9SKrishna Gudipati 25895fbe25c7SJing Huang /* 2590a36c61f9SKrishna Gudipati * brief 2591a36c61f9SKrishna Gudipati * Called by the Driver to set rport delete/ageout timeout 2592a36c61f9SKrishna Gudipati * 2593a36c61f9SKrishna Gudipati * param[in] rport timeout value in seconds. 2594a36c61f9SKrishna Gudipati * 2595a36c61f9SKrishna Gudipati * return None 2596a36c61f9SKrishna Gudipati */ 2597a36c61f9SKrishna Gudipati void 2598a36c61f9SKrishna Gudipati bfa_fcs_rport_set_del_timeout(u8 rport_tmo) 2599a36c61f9SKrishna Gudipati { 2600a36c61f9SKrishna Gudipati /* convert to Millisecs */ 2601a36c61f9SKrishna Gudipati if (rport_tmo > 0) 2602a36c61f9SKrishna Gudipati bfa_fcs_rport_del_timeout = rport_tmo * 1000; 2603a36c61f9SKrishna Gudipati } 2604a36c61f9SKrishna Gudipati void 2605a36c61f9SKrishna Gudipati bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, u16 ox_id) 2606a36c61f9SKrishna Gudipati { 2607a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2608a36c61f9SKrishna Gudipati 2609a36c61f9SKrishna Gudipati rport->prlo = BFA_TRUE; 2610a36c61f9SKrishna Gudipati rport->reply_oxid = ox_id; 2611a36c61f9SKrishna Gudipati bfa_sm_send_event(rport, RPSM_EVENT_PRLO_RCVD); 2612a36c61f9SKrishna Gudipati } 2613a36c61f9SKrishna Gudipati 2614a36c61f9SKrishna Gudipati 2615a36c61f9SKrishna Gudipati 26165fbe25c7SJing Huang /* 2617a36c61f9SKrishna Gudipati * Remote port implementation. 2618a36c61f9SKrishna Gudipati */ 2619a36c61f9SKrishna Gudipati 26205fbe25c7SJing Huang /* 2621a36c61f9SKrishna Gudipati * fcs_rport_api FCS rport API. 2622a36c61f9SKrishna Gudipati */ 2623a36c61f9SKrishna Gudipati 26245fbe25c7SJing Huang /* 2625a36c61f9SKrishna Gudipati * Direct API to add a target by port wwn. This interface is used, for 2626a36c61f9SKrishna Gudipati * example, by bios when target pwwn is known from boot lun configuration. 2627a36c61f9SKrishna Gudipati */ 2628a36c61f9SKrishna Gudipati bfa_status_t 2629a36c61f9SKrishna Gudipati bfa_fcs_rport_add(struct bfa_fcs_lport_s *port, wwn_t *pwwn, 2630a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport, struct bfad_rport_s *rport_drv) 2631a36c61f9SKrishna Gudipati { 2632a36c61f9SKrishna Gudipati bfa_trc(port->fcs, *pwwn); 2633a36c61f9SKrishna Gudipati 2634a36c61f9SKrishna Gudipati return BFA_STATUS_OK; 2635a36c61f9SKrishna Gudipati } 2636a36c61f9SKrishna Gudipati 26375fbe25c7SJing Huang /* 2638a36c61f9SKrishna Gudipati * Direct API to remove a target and its associated resources. This 2639a36c61f9SKrishna Gudipati * interface is used, for example, by driver to remove target 2640a36c61f9SKrishna Gudipati * ports from the target list for a VM. 2641a36c61f9SKrishna Gudipati */ 2642a36c61f9SKrishna Gudipati bfa_status_t 2643a36c61f9SKrishna Gudipati bfa_fcs_rport_remove(struct bfa_fcs_rport_s *rport_in) 2644a36c61f9SKrishna Gudipati { 2645a36c61f9SKrishna Gudipati 2646a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 2647a36c61f9SKrishna Gudipati 2648a36c61f9SKrishna Gudipati bfa_trc(rport_in->fcs, rport_in->pwwn); 2649a36c61f9SKrishna Gudipati 2650a36c61f9SKrishna Gudipati rport = bfa_fcs_lport_get_rport_by_pwwn(rport_in->port, rport_in->pwwn); 2651a36c61f9SKrishna Gudipati if (rport == NULL) { 2652a36c61f9SKrishna Gudipati /* 2653a36c61f9SKrishna Gudipati * TBD Error handling 2654a36c61f9SKrishna Gudipati */ 2655a36c61f9SKrishna Gudipati bfa_trc(rport_in->fcs, rport_in->pid); 2656a36c61f9SKrishna Gudipati return BFA_STATUS_UNKNOWN_RWWN; 2657a36c61f9SKrishna Gudipati } 2658a36c61f9SKrishna Gudipati 2659a36c61f9SKrishna Gudipati /* 2660a36c61f9SKrishna Gudipati * TBD if this remote port is online, send a logo 2661a36c61f9SKrishna Gudipati */ 2662a36c61f9SKrishna Gudipati return BFA_STATUS_OK; 2663a36c61f9SKrishna Gudipati 2664a36c61f9SKrishna Gudipati } 2665a36c61f9SKrishna Gudipati 26665fbe25c7SJing Huang /* 2667a36c61f9SKrishna Gudipati * Remote device status for display/debug. 2668a36c61f9SKrishna Gudipati */ 2669a36c61f9SKrishna Gudipati void 2670a36c61f9SKrishna Gudipati bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, 2671a36c61f9SKrishna Gudipati struct bfa_rport_attr_s *rport_attr) 2672a36c61f9SKrishna Gudipati { 2673a36c61f9SKrishna Gudipati struct bfa_rport_qos_attr_s qos_attr; 2674a36c61f9SKrishna Gudipati bfa_fcs_lport_t *port = rport->port; 2675a36c61f9SKrishna Gudipati bfa_port_speed_t rport_speed = rport->rpf.rpsc_speed; 2676a36c61f9SKrishna Gudipati 26776a18b167SJing Huang memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s)); 2678a36c61f9SKrishna Gudipati 2679a36c61f9SKrishna Gudipati rport_attr->pid = rport->pid; 2680a36c61f9SKrishna Gudipati rport_attr->pwwn = rport->pwwn; 2681a36c61f9SKrishna Gudipati rport_attr->nwwn = rport->nwwn; 2682a36c61f9SKrishna Gudipati rport_attr->cos_supported = rport->fc_cos; 2683a36c61f9SKrishna Gudipati rport_attr->df_sz = rport->maxfrsize; 2684a36c61f9SKrishna Gudipati rport_attr->state = bfa_fcs_rport_get_state(rport); 2685a36c61f9SKrishna Gudipati rport_attr->fc_cos = rport->fc_cos; 2686a36c61f9SKrishna Gudipati rport_attr->cisc = rport->cisc; 2687a36c61f9SKrishna Gudipati rport_attr->scsi_function = rport->scsi_function; 2688a36c61f9SKrishna Gudipati rport_attr->curr_speed = rport->rpf.rpsc_speed; 2689a36c61f9SKrishna Gudipati rport_attr->assigned_speed = rport->rpf.assigned_speed; 2690a36c61f9SKrishna Gudipati 2691a36c61f9SKrishna Gudipati bfa_rport_get_qos_attr(rport->bfa_rport, &qos_attr); 2692a36c61f9SKrishna Gudipati rport_attr->qos_attr = qos_attr; 2693a36c61f9SKrishna Gudipati 2694a36c61f9SKrishna Gudipati rport_attr->trl_enforced = BFA_FALSE; 2695a36c61f9SKrishna Gudipati if (bfa_fcport_is_ratelim(port->fcs->bfa)) { 2696a36c61f9SKrishna Gudipati if (rport_speed == BFA_PORT_SPEED_UNKNOWN) { 2697a36c61f9SKrishna Gudipati /* Use default ratelim speed setting */ 2698a36c61f9SKrishna Gudipati rport_speed = 2699a36c61f9SKrishna Gudipati bfa_fcport_get_ratelim_speed(rport->fcs->bfa); 2700a36c61f9SKrishna Gudipati } 2701a36c61f9SKrishna Gudipati 2702a36c61f9SKrishna Gudipati if (rport_speed < bfa_fcs_lport_get_rport_max_speed(port)) 2703a36c61f9SKrishna Gudipati rport_attr->trl_enforced = BFA_TRUE; 2704a36c61f9SKrishna Gudipati } 2705a36c61f9SKrishna Gudipati } 2706a36c61f9SKrishna Gudipati 27075fbe25c7SJing Huang /* 2708a36c61f9SKrishna Gudipati * Per remote device statistics. 2709a36c61f9SKrishna Gudipati */ 2710a36c61f9SKrishna Gudipati void 2711a36c61f9SKrishna Gudipati bfa_fcs_rport_get_stats(struct bfa_fcs_rport_s *rport, 2712a36c61f9SKrishna Gudipati struct bfa_rport_stats_s *stats) 2713a36c61f9SKrishna Gudipati { 2714a36c61f9SKrishna Gudipati *stats = rport->stats; 2715a36c61f9SKrishna Gudipati } 2716a36c61f9SKrishna Gudipati 2717a36c61f9SKrishna Gudipati void 2718a36c61f9SKrishna Gudipati bfa_fcs_rport_clear_stats(struct bfa_fcs_rport_s *rport) 2719a36c61f9SKrishna Gudipati { 27206a18b167SJing Huang memset((char *)&rport->stats, 0, 2721a36c61f9SKrishna Gudipati sizeof(struct bfa_rport_stats_s)); 2722a36c61f9SKrishna Gudipati } 2723a36c61f9SKrishna Gudipati 2724a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s * 2725a36c61f9SKrishna Gudipati bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, wwn_t rpwwn) 2726a36c61f9SKrishna Gudipati { 2727a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 2728a36c61f9SKrishna Gudipati 2729a36c61f9SKrishna Gudipati rport = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); 2730a36c61f9SKrishna Gudipati if (rport == NULL) { 2731a36c61f9SKrishna Gudipati /* 2732a36c61f9SKrishna Gudipati * TBD Error handling 2733a36c61f9SKrishna Gudipati */ 2734a36c61f9SKrishna Gudipati } 2735a36c61f9SKrishna Gudipati 2736a36c61f9SKrishna Gudipati return rport; 2737a36c61f9SKrishna Gudipati } 2738a36c61f9SKrishna Gudipati 2739a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s * 2740a36c61f9SKrishna Gudipati bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t rnwwn) 2741a36c61f9SKrishna Gudipati { 2742a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport; 2743a36c61f9SKrishna Gudipati 2744a36c61f9SKrishna Gudipati rport = bfa_fcs_lport_get_rport_by_nwwn(port, rnwwn); 2745a36c61f9SKrishna Gudipati if (rport == NULL) { 2746a36c61f9SKrishna Gudipati /* 2747a36c61f9SKrishna Gudipati * TBD Error handling 2748a36c61f9SKrishna Gudipati */ 2749a36c61f9SKrishna Gudipati } 2750a36c61f9SKrishna Gudipati 2751a36c61f9SKrishna Gudipati return rport; 2752a36c61f9SKrishna Gudipati } 2753a36c61f9SKrishna Gudipati 2754a36c61f9SKrishna Gudipati /* 2755a36c61f9SKrishna Gudipati * This API is to set the Rport's speed. Should be used when RPSC is not 2756a36c61f9SKrishna Gudipati * supported by the rport. 2757a36c61f9SKrishna Gudipati */ 2758a36c61f9SKrishna Gudipati void 2759a36c61f9SKrishna Gudipati bfa_fcs_rport_set_speed(struct bfa_fcs_rport_s *rport, bfa_port_speed_t speed) 2760a36c61f9SKrishna Gudipati { 2761a36c61f9SKrishna Gudipati rport->rpf.assigned_speed = speed; 2762a36c61f9SKrishna Gudipati 2763a36c61f9SKrishna Gudipati /* Set this speed in f/w only if the RPSC speed is not available */ 2764a36c61f9SKrishna Gudipati if (rport->rpf.rpsc_speed == BFA_PORT_SPEED_UNKNOWN) 2765a36c61f9SKrishna Gudipati bfa_rport_speed(rport->bfa_rport, speed); 2766a36c61f9SKrishna Gudipati } 2767a36c61f9SKrishna Gudipati 2768a36c61f9SKrishna Gudipati 2769a36c61f9SKrishna Gudipati 27705fbe25c7SJing Huang /* 2771a36c61f9SKrishna Gudipati * Remote port features (RPF) implementation. 2772a36c61f9SKrishna Gudipati */ 2773a36c61f9SKrishna Gudipati 2774a36c61f9SKrishna Gudipati #define BFA_FCS_RPF_RETRIES (3) 2775a36c61f9SKrishna Gudipati #define BFA_FCS_RPF_RETRY_TIMEOUT (1000) /* 1 sec (In millisecs) */ 2776a36c61f9SKrishna Gudipati 2777a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_send_rpsc2(void *rport_cbarg, 2778a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp_alloced); 2779a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_rpsc2_response(void *fcsarg, 2780a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp, 2781a36c61f9SKrishna Gudipati void *cbarg, 2782a36c61f9SKrishna Gudipati bfa_status_t req_status, 2783a36c61f9SKrishna Gudipati u32 rsp_len, 2784a36c61f9SKrishna Gudipati u32 resid_len, 2785a36c61f9SKrishna Gudipati struct fchs_s *rsp_fchs); 2786a36c61f9SKrishna Gudipati 2787a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_timeout(void *arg); 2788a36c61f9SKrishna Gudipati 27895fbe25c7SJing Huang /* 2790a36c61f9SKrishna Gudipati * fcs_rport_ftrs_sm FCS rport state machine events 2791a36c61f9SKrishna Gudipati */ 2792a36c61f9SKrishna Gudipati 2793a36c61f9SKrishna Gudipati enum rpf_event { 2794a36c61f9SKrishna Gudipati RPFSM_EVENT_RPORT_OFFLINE = 1, /* Rport offline */ 2795a36c61f9SKrishna Gudipati RPFSM_EVENT_RPORT_ONLINE = 2, /* Rport online */ 2796a36c61f9SKrishna Gudipati RPFSM_EVENT_FCXP_SENT = 3, /* Frame from has been sent */ 2797a36c61f9SKrishna Gudipati RPFSM_EVENT_TIMEOUT = 4, /* Rport SM timeout event */ 2798a36c61f9SKrishna Gudipati RPFSM_EVENT_RPSC_COMP = 5, 2799a36c61f9SKrishna Gudipati RPFSM_EVENT_RPSC_FAIL = 6, 2800a36c61f9SKrishna Gudipati RPFSM_EVENT_RPSC_ERROR = 7, 2801a36c61f9SKrishna Gudipati }; 2802a36c61f9SKrishna Gudipati 2803a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, 2804a36c61f9SKrishna Gudipati enum rpf_event event); 2805a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, 2806a36c61f9SKrishna Gudipati enum rpf_event event); 2807a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, 2808a36c61f9SKrishna Gudipati enum rpf_event event); 2809a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, 2810a36c61f9SKrishna Gudipati enum rpf_event event); 2811a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, 2812a36c61f9SKrishna Gudipati enum rpf_event event); 2813a36c61f9SKrishna Gudipati static void bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, 2814a36c61f9SKrishna Gudipati enum rpf_event event); 2815a36c61f9SKrishna Gudipati 2816a36c61f9SKrishna Gudipati static void 2817a36c61f9SKrishna Gudipati bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) 2818a36c61f9SKrishna Gudipati { 2819a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2820a36c61f9SKrishna Gudipati struct bfa_fcs_fabric_s *fabric = &rport->fcs->fabric; 2821a36c61f9SKrishna Gudipati 2822a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2823a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2824a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 2825a36c61f9SKrishna Gudipati 2826a36c61f9SKrishna Gudipati switch (event) { 2827a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_ONLINE: 2828a36c61f9SKrishna Gudipati /* Send RPSC2 to a Brocade fabric only. */ 2829a36c61f9SKrishna Gudipati if ((!BFA_FCS_PID_IS_WKA(rport->pid)) && 2830a36c61f9SKrishna Gudipati ((bfa_lps_is_brcd_fabric(rport->port->fabric->lps)) || 2831a36c61f9SKrishna Gudipati (bfa_fcs_fabric_get_switch_oui(fabric) == 2832a36c61f9SKrishna Gudipati BFA_FCS_BRCD_SWITCH_OUI))) { 2833a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); 2834a36c61f9SKrishna Gudipati rpf->rpsc_retries = 0; 2835a36c61f9SKrishna Gudipati bfa_fcs_rpf_send_rpsc2(rpf, NULL); 2836a36c61f9SKrishna Gudipati } 2837a36c61f9SKrishna Gudipati break; 2838a36c61f9SKrishna Gudipati 2839a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_OFFLINE: 2840a36c61f9SKrishna Gudipati break; 2841a36c61f9SKrishna Gudipati 2842a36c61f9SKrishna Gudipati default: 2843a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 2844a36c61f9SKrishna Gudipati } 2845a36c61f9SKrishna Gudipati } 2846a36c61f9SKrishna Gudipati 2847a36c61f9SKrishna Gudipati static void 2848a36c61f9SKrishna Gudipati bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) 2849a36c61f9SKrishna Gudipati { 2850a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2851a36c61f9SKrishna Gudipati 2852a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 2853a36c61f9SKrishna Gudipati 2854a36c61f9SKrishna Gudipati switch (event) { 2855a36c61f9SKrishna Gudipati case RPFSM_EVENT_FCXP_SENT: 2856a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc); 2857a36c61f9SKrishna Gudipati break; 2858a36c61f9SKrishna Gudipati 2859a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_OFFLINE: 2860a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); 2861a36c61f9SKrishna Gudipati bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rpf->fcxp_wqe); 2862a36c61f9SKrishna Gudipati rpf->rpsc_retries = 0; 2863a36c61f9SKrishna Gudipati break; 2864a36c61f9SKrishna Gudipati 2865a36c61f9SKrishna Gudipati default: 2866a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 2867a36c61f9SKrishna Gudipati } 2868a36c61f9SKrishna Gudipati } 2869a36c61f9SKrishna Gudipati 2870a36c61f9SKrishna Gudipati static void 2871a36c61f9SKrishna Gudipati bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) 2872a36c61f9SKrishna Gudipati { 2873a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2874a36c61f9SKrishna Gudipati 2875a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2876a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 2877a36c61f9SKrishna Gudipati 2878a36c61f9SKrishna Gudipati switch (event) { 2879a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPSC_COMP: 2880a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); 2881a36c61f9SKrishna Gudipati /* Update speed info in f/w via BFA */ 2882a36c61f9SKrishna Gudipati if (rpf->rpsc_speed != BFA_PORT_SPEED_UNKNOWN) 2883a36c61f9SKrishna Gudipati bfa_rport_speed(rport->bfa_rport, rpf->rpsc_speed); 2884a36c61f9SKrishna Gudipati else if (rpf->assigned_speed != BFA_PORT_SPEED_UNKNOWN) 2885a36c61f9SKrishna Gudipati bfa_rport_speed(rport->bfa_rport, rpf->assigned_speed); 2886a36c61f9SKrishna Gudipati break; 2887a36c61f9SKrishna Gudipati 2888a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPSC_FAIL: 2889a36c61f9SKrishna Gudipati /* RPSC not supported by rport */ 2890a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); 2891a36c61f9SKrishna Gudipati break; 2892a36c61f9SKrishna Gudipati 2893a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPSC_ERROR: 2894a36c61f9SKrishna Gudipati /* need to retry...delayed a bit. */ 2895a36c61f9SKrishna Gudipati if (rpf->rpsc_retries++ < BFA_FCS_RPF_RETRIES) { 2896a36c61f9SKrishna Gudipati bfa_timer_start(rport->fcs->bfa, &rpf->timer, 2897a36c61f9SKrishna Gudipati bfa_fcs_rpf_timeout, rpf, 2898a36c61f9SKrishna Gudipati BFA_FCS_RPF_RETRY_TIMEOUT); 2899a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_retry); 2900a36c61f9SKrishna Gudipati } else { 2901a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); 2902a36c61f9SKrishna Gudipati } 2903a36c61f9SKrishna Gudipati break; 2904a36c61f9SKrishna Gudipati 2905a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_OFFLINE: 2906a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); 2907a36c61f9SKrishna Gudipati bfa_fcxp_discard(rpf->fcxp); 2908a36c61f9SKrishna Gudipati rpf->rpsc_retries = 0; 2909a36c61f9SKrishna Gudipati break; 2910a36c61f9SKrishna Gudipati 2911a36c61f9SKrishna Gudipati default: 2912a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 2913a36c61f9SKrishna Gudipati } 2914a36c61f9SKrishna Gudipati } 2915a36c61f9SKrishna Gudipati 2916a36c61f9SKrishna Gudipati static void 2917a36c61f9SKrishna Gudipati bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) 2918a36c61f9SKrishna Gudipati { 2919a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2920a36c61f9SKrishna Gudipati 2921a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2922a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 2923a36c61f9SKrishna Gudipati 2924a36c61f9SKrishna Gudipati switch (event) { 2925a36c61f9SKrishna Gudipati case RPFSM_EVENT_TIMEOUT: 2926a36c61f9SKrishna Gudipati /* re-send the RPSC */ 2927a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); 2928a36c61f9SKrishna Gudipati bfa_fcs_rpf_send_rpsc2(rpf, NULL); 2929a36c61f9SKrishna Gudipati break; 2930a36c61f9SKrishna Gudipati 2931a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_OFFLINE: 2932a36c61f9SKrishna Gudipati bfa_timer_stop(&rpf->timer); 2933a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); 2934a36c61f9SKrishna Gudipati rpf->rpsc_retries = 0; 2935a36c61f9SKrishna Gudipati break; 2936a36c61f9SKrishna Gudipati 2937a36c61f9SKrishna Gudipati default: 2938a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 2939a36c61f9SKrishna Gudipati } 2940a36c61f9SKrishna Gudipati } 2941a36c61f9SKrishna Gudipati 2942a36c61f9SKrishna Gudipati static void 2943a36c61f9SKrishna Gudipati bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) 2944a36c61f9SKrishna Gudipati { 2945a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2946a36c61f9SKrishna Gudipati 2947a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2948a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2949a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 2950a36c61f9SKrishna Gudipati 2951a36c61f9SKrishna Gudipati switch (event) { 2952a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_OFFLINE: 2953a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); 2954a36c61f9SKrishna Gudipati rpf->rpsc_retries = 0; 2955a36c61f9SKrishna Gudipati break; 2956a36c61f9SKrishna Gudipati 2957a36c61f9SKrishna Gudipati default: 2958a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 2959a36c61f9SKrishna Gudipati } 2960a36c61f9SKrishna Gudipati } 2961a36c61f9SKrishna Gudipati 2962a36c61f9SKrishna Gudipati static void 2963a36c61f9SKrishna Gudipati bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) 2964a36c61f9SKrishna Gudipati { 2965a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 2966a36c61f9SKrishna Gudipati 2967a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 2968a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2969a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, event); 2970a36c61f9SKrishna Gudipati 2971a36c61f9SKrishna Gudipati switch (event) { 2972a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_ONLINE: 2973a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); 2974a36c61f9SKrishna Gudipati bfa_fcs_rpf_send_rpsc2(rpf, NULL); 2975a36c61f9SKrishna Gudipati break; 2976a36c61f9SKrishna Gudipati 2977a36c61f9SKrishna Gudipati case RPFSM_EVENT_RPORT_OFFLINE: 2978a36c61f9SKrishna Gudipati break; 2979a36c61f9SKrishna Gudipati 2980a36c61f9SKrishna Gudipati default: 2981a36c61f9SKrishna Gudipati bfa_sm_fault(rport->fcs, event); 2982a36c61f9SKrishna Gudipati } 2983a36c61f9SKrishna Gudipati } 29845fbe25c7SJing Huang /* 2985a36c61f9SKrishna Gudipati * Called when Rport is created. 2986a36c61f9SKrishna Gudipati */ 2987a36c61f9SKrishna Gudipati void 2988a36c61f9SKrishna Gudipati bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport) 2989a36c61f9SKrishna Gudipati { 2990a36c61f9SKrishna Gudipati struct bfa_fcs_rpf_s *rpf = &rport->rpf; 2991a36c61f9SKrishna Gudipati 2992a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 2993a36c61f9SKrishna Gudipati rpf->rport = rport; 2994a36c61f9SKrishna Gudipati 2995a36c61f9SKrishna Gudipati bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_uninit); 2996a36c61f9SKrishna Gudipati } 2997a36c61f9SKrishna Gudipati 29985fbe25c7SJing Huang /* 2999a36c61f9SKrishna Gudipati * Called when Rport becomes online 3000a36c61f9SKrishna Gudipati */ 3001a36c61f9SKrishna Gudipati void 3002a36c61f9SKrishna Gudipati bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport) 3003a36c61f9SKrishna Gudipati { 3004a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 3005a36c61f9SKrishna Gudipati 3006a36c61f9SKrishna Gudipati if (__fcs_min_cfg(rport->port->fcs)) 3007a36c61f9SKrishna Gudipati return; 3008a36c61f9SKrishna Gudipati 3009a36c61f9SKrishna Gudipati if (bfa_fcs_fabric_is_switched(rport->port->fabric)) 3010a36c61f9SKrishna Gudipati bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_ONLINE); 3011a36c61f9SKrishna Gudipati } 3012a36c61f9SKrishna Gudipati 30135fbe25c7SJing Huang /* 3014a36c61f9SKrishna Gudipati * Called when Rport becomes offline 3015a36c61f9SKrishna Gudipati */ 3016a36c61f9SKrishna Gudipati void 3017a36c61f9SKrishna Gudipati bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport) 3018a36c61f9SKrishna Gudipati { 3019a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 3020a36c61f9SKrishna Gudipati 3021a36c61f9SKrishna Gudipati if (__fcs_min_cfg(rport->port->fcs)) 3022a36c61f9SKrishna Gudipati return; 3023a36c61f9SKrishna Gudipati 3024a36c61f9SKrishna Gudipati rport->rpf.rpsc_speed = 0; 3025a36c61f9SKrishna Gudipati bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_OFFLINE); 3026a36c61f9SKrishna Gudipati } 3027a36c61f9SKrishna Gudipati 3028a36c61f9SKrishna Gudipati static void 3029a36c61f9SKrishna Gudipati bfa_fcs_rpf_timeout(void *arg) 3030a36c61f9SKrishna Gudipati { 3031a36c61f9SKrishna Gudipati struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) arg; 3032a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 3033a36c61f9SKrishna Gudipati 3034a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pid); 3035a36c61f9SKrishna Gudipati bfa_sm_send_event(rpf, RPFSM_EVENT_TIMEOUT); 3036a36c61f9SKrishna Gudipati } 3037a36c61f9SKrishna Gudipati 3038a36c61f9SKrishna Gudipati static void 3039a36c61f9SKrishna Gudipati bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced) 3040a36c61f9SKrishna Gudipati { 3041a36c61f9SKrishna Gudipati struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *)rpf_cbarg; 3042a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 3043a36c61f9SKrishna Gudipati struct bfa_fcs_lport_s *port = rport->port; 3044a36c61f9SKrishna Gudipati struct fchs_s fchs; 3045a36c61f9SKrishna Gudipati int len; 3046a36c61f9SKrishna Gudipati struct bfa_fcxp_s *fcxp; 3047a36c61f9SKrishna Gudipati 3048a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, rport->pwwn); 3049a36c61f9SKrishna Gudipati 3050a36c61f9SKrishna Gudipati fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); 3051a36c61f9SKrishna Gudipati if (!fcxp) { 3052a36c61f9SKrishna Gudipati bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rpf->fcxp_wqe, 3053a36c61f9SKrishna Gudipati bfa_fcs_rpf_send_rpsc2, rpf); 3054a36c61f9SKrishna Gudipati return; 3055a36c61f9SKrishna Gudipati } 3056a36c61f9SKrishna Gudipati rpf->fcxp = fcxp; 3057a36c61f9SKrishna Gudipati 3058a36c61f9SKrishna Gudipati len = fc_rpsc2_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, 3059a36c61f9SKrishna Gudipati bfa_fcs_lport_get_fcid(port), &rport->pid, 1); 3060a36c61f9SKrishna Gudipati 3061a36c61f9SKrishna Gudipati bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, 3062a36c61f9SKrishna Gudipati FC_CLASS_3, len, &fchs, bfa_fcs_rpf_rpsc2_response, 3063a36c61f9SKrishna Gudipati rpf, FC_MAX_PDUSZ, FC_ELS_TOV); 3064a36c61f9SKrishna Gudipati rport->stats.rpsc_sent++; 3065a36c61f9SKrishna Gudipati bfa_sm_send_event(rpf, RPFSM_EVENT_FCXP_SENT); 3066a36c61f9SKrishna Gudipati 3067a36c61f9SKrishna Gudipati } 3068a36c61f9SKrishna Gudipati 3069a36c61f9SKrishna Gudipati static void 3070a36c61f9SKrishna Gudipati bfa_fcs_rpf_rpsc2_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, 3071a36c61f9SKrishna Gudipati bfa_status_t req_status, u32 rsp_len, 3072a36c61f9SKrishna Gudipati u32 resid_len, struct fchs_s *rsp_fchs) 3073a36c61f9SKrishna Gudipati { 3074a36c61f9SKrishna Gudipati struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) cbarg; 3075a36c61f9SKrishna Gudipati struct bfa_fcs_rport_s *rport = rpf->rport; 3076a36c61f9SKrishna Gudipati struct fc_ls_rjt_s *ls_rjt; 3077a36c61f9SKrishna Gudipati struct fc_rpsc2_acc_s *rpsc2_acc; 3078a36c61f9SKrishna Gudipati u16 num_ents; 3079a36c61f9SKrishna Gudipati 3080a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, req_status); 3081a36c61f9SKrishna Gudipati 3082a36c61f9SKrishna Gudipati if (req_status != BFA_STATUS_OK) { 3083a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, req_status); 3084a36c61f9SKrishna Gudipati if (req_status == BFA_STATUS_ETIMER) 3085a36c61f9SKrishna Gudipati rport->stats.rpsc_failed++; 3086a36c61f9SKrishna Gudipati bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); 3087a36c61f9SKrishna Gudipati return; 3088a36c61f9SKrishna Gudipati } 3089a36c61f9SKrishna Gudipati 3090a36c61f9SKrishna Gudipati rpsc2_acc = (struct fc_rpsc2_acc_s *) BFA_FCXP_RSP_PLD(fcxp); 3091a36c61f9SKrishna Gudipati if (rpsc2_acc->els_cmd == FC_ELS_ACC) { 3092a36c61f9SKrishna Gudipati rport->stats.rpsc_accs++; 3093ba816ea8SJing Huang num_ents = be16_to_cpu(rpsc2_acc->num_pids); 3094a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, num_ents); 3095a36c61f9SKrishna Gudipati if (num_ents > 0) { 3096a36c61f9SKrishna Gudipati bfa_assert(rpsc2_acc->port_info[0].pid != rport->pid); 3097a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, 3098ba816ea8SJing Huang be16_to_cpu(rpsc2_acc->port_info[0].pid)); 3099a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, 3100ba816ea8SJing Huang be16_to_cpu(rpsc2_acc->port_info[0].speed)); 3101a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, 3102ba816ea8SJing Huang be16_to_cpu(rpsc2_acc->port_info[0].index)); 3103a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, 3104a36c61f9SKrishna Gudipati rpsc2_acc->port_info[0].type); 3105a36c61f9SKrishna Gudipati 3106a36c61f9SKrishna Gudipati if (rpsc2_acc->port_info[0].speed == 0) { 3107a36c61f9SKrishna Gudipati bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); 3108a36c61f9SKrishna Gudipati return; 3109a36c61f9SKrishna Gudipati } 3110a36c61f9SKrishna Gudipati 3111a36c61f9SKrishna Gudipati rpf->rpsc_speed = fc_rpsc_operspeed_to_bfa_speed( 3112ba816ea8SJing Huang be16_to_cpu(rpsc2_acc->port_info[0].speed)); 3113a36c61f9SKrishna Gudipati 3114a36c61f9SKrishna Gudipati bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_COMP); 3115a36c61f9SKrishna Gudipati } 3116a36c61f9SKrishna Gudipati } else { 3117a36c61f9SKrishna Gudipati ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); 3118a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, ls_rjt->reason_code); 3119a36c61f9SKrishna Gudipati bfa_trc(rport->fcs, ls_rjt->reason_code_expl); 3120a36c61f9SKrishna Gudipati rport->stats.rpsc_rejects++; 3121a36c61f9SKrishna Gudipati if (ls_rjt->reason_code == FC_LS_RJT_RSN_CMD_NOT_SUPP) 3122a36c61f9SKrishna Gudipati bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_FAIL); 3123a36c61f9SKrishna Gudipati else 3124a36c61f9SKrishna Gudipati bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); 3125a36c61f9SKrishna Gudipati } 3126a36c61f9SKrishna Gudipati } 3127