| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jing Huang | 11460 | 78.88% | 7 | 20.00% |
| Krishna Gudipati | 3005 | 20.68% | 19 | 54.29% |
| Arnd Bergmann | 20 | 0.14% | 1 | 2.86% |
| Gustavo A. R. Silva | 14 | 0.10% | 1 | 2.86% |
| Maggie Zhang | 13 | 0.09% | 3 | 8.57% |
| Vijaya Mohan Guvva | 12 | 0.08% | 2 | 5.71% |
| Tejun Heo | 2 | 0.01% | 1 | 2.86% |
| Thomas Gleixner | 2 | 0.01% | 1 | 2.86% |
| Total | 14528 | 35 |
// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. * Copyright (c) 2014- QLogic Corporation. * All rights reserved * www.qlogic.com * * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. */ /* * rport.c Remote port implementation. */ #include "bfad_drv.h" #include "bfad_im.h" #include "bfa_fcs.h" #include "bfa_fcbuild.h" BFA_TRC_FILE(FCS, RPORT); static u32 bfa_fcs_rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000; /* In millisecs */ /* * bfa_fcs_rport_max_logins is max count of bfa_fcs_rports * whereas DEF_CFG_NUM_RPORTS is max count of bfa_rports */ static u32 bfa_fcs_rport_max_logins = BFA_FCS_MAX_RPORT_LOGINS; /* * forward declarations */ static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc( struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid); static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_fcs_online_action(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_hal_online_action(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_fcs_offline_action(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_hal_offline_action(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi); static void bfa_fcs_rport_timeout(void *arg); static void bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced); static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced); static void bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs); static void bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced); static void bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs); static void bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced); static void bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs); static void bfa_fcs_rport_gpnid_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs); static void bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced); static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg); static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u16 len); static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl); static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u16 len); static void bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_hal_offline(struct bfa_fcs_rport_s *rport); static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_fc4_fcs_online(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_adisc_online_sending( struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_adisc_offline_sending(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_adisc_offline(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_fc4_off_delete(struct bfa_fcs_rport_s *rport, enum rport_event event); static void bfa_fcs_rport_sm_delete_pending(struct bfa_fcs_rport_s *rport, enum rport_event event); struct bfa_fcs_rport_sm_table_s { bfa_fcs_rport_sm_t sm; /* state machine function */ enum bfa_rport_state state; /* state machine encoding */ char *name; /* state name for display */ }; static inline enum bfa_rport_state bfa_rport_sm_to_state(struct bfa_fcs_rport_sm_table_s *smt, bfa_fcs_rport_sm_t sm) { int i = 0; while (smt[i].sm && smt[i].sm != sm) i++; return smt[i].state; } static struct bfa_fcs_rport_sm_table_s rport_sm_table[] = { {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY}, {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI}, {BFA_SM(bfa_fcs_rport_sm_fc4_fcs_online), BFA_RPORT_ONLINE}, {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE}, {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE}, {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY}, {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY}, {BFA_SM(bfa_fcs_rport_sm_adisc_online_sending), BFA_RPORT_ADISC}, {BFA_SM(bfa_fcs_rport_sm_adisc_online), BFA_RPORT_ADISC}, {BFA_SM(bfa_fcs_rport_sm_adisc_offline_sending), BFA_RPORT_ADISC}, {BFA_SM(bfa_fcs_rport_sm_adisc_offline), BFA_RPORT_ADISC}, {BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV}, {BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO}, {BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE}, {BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE}, {BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV}, {BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO}, {BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO}, {BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE}, {BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC}, {BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC}, {BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC}, }; /* * Beginning state. */ static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_PLOGI_SEND: bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); rport->plogi_retries = 0; bfa_fcs_rport_send_plogi(rport, NULL); break; case RPSM_EVENT_PLOGI_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); bfa_fcs_rport_send_plogiacc(rport, NULL); break; case RPSM_EVENT_PLOGI_COMP: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); bfa_fcs_rport_hal_online(rport); break; case RPSM_EVENT_ADDRESS_CHANGE: case RPSM_EVENT_ADDRESS_DISC: bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); rport->ns_retries = 0; bfa_fcs_rport_send_nsdisc(rport, NULL); break; default: bfa_sm_fault(rport->fcs, event); } } /* * PLOGI is being sent. */ static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_FCXP_SENT: bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi); break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_free(rport); break; case RPSM_EVENT_PLOGI_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_send_plogiacc(rport, NULL); break; case RPSM_EVENT_SCN_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; case RPSM_EVENT_ADDRESS_CHANGE: case RPSM_EVENT_FAB_SCN: /* query the NS */ bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) != BFA_PORT_TOPOLOGY_LOOP)); bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); rport->ns_retries = 0; bfa_fcs_rport_send_nsdisc(rport, NULL); break; case RPSM_EVENT_LOGO_IMP: rport->pid = 0; bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; default: bfa_sm_fault(rport->fcs, event); } } /* * PLOGI is being sent. */ static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_FCXP_SENT: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); bfa_fcs_rport_fcs_online_action(rport); break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_free(rport); break; case RPSM_EVENT_PLOGI_RCVD: case RPSM_EVENT_PLOGI_COMP: case RPSM_EVENT_FAB_SCN: /* * Ignore, SCN is possibly online notification. */ break; case RPSM_EVENT_SCN_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; case RPSM_EVENT_ADDRESS_CHANGE: bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); rport->ns_retries = 0; bfa_fcs_rport_send_nsdisc(rport, NULL); break; case RPSM_EVENT_LOGO_IMP: rport->pid = 0; bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; case RPSM_EVENT_HCB_OFFLINE: /* * Ignore BFA callback, on a PLOGI receive we call bfa offline. */ break; default: bfa_sm_fault(rport->fcs, event); } } /* * PLOGI is sent. */ static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_TIMEOUT: bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); bfa_fcs_rport_send_plogi(rport, NULL); break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); bfa_timer_stop(&rport->timer); bfa_fcs_rport_free(rport); break; case RPSM_EVENT_PRLO_RCVD: case RPSM_EVENT_LOGO_RCVD: break; case RPSM_EVENT_PLOGI_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); bfa_timer_stop(&rport->timer); bfa_fcs_rport_send_plogiacc(rport, NULL); break; case RPSM_EVENT_SCN_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_timer_stop(&rport->timer); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; case RPSM_EVENT_ADDRESS_CHANGE: case RPSM_EVENT_FAB_SCN: bfa_timer_stop(&rport->timer); WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) != BFA_PORT_TOPOLOGY_LOOP)); bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); rport->ns_retries = 0; bfa_fcs_rport_send_nsdisc(rport, NULL); break; case RPSM_EVENT_LOGO_IMP: rport->pid = 0; bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_timer_stop(&rport->timer); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; case RPSM_EVENT_PLOGI_COMP: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); bfa_timer_stop(&rport->timer); bfa_fcs_rport_fcs_online_action(rport); break; default: bfa_sm_fault(rport->fcs, event); } } /* * PLOGI is sent. */ static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_ACCEPTED: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); rport->plogi_retries = 0; bfa_fcs_rport_fcs_online_action(rport); break; case RPSM_EVENT_LOGO_RCVD: bfa_fcs_rport_send_logo_acc(rport); fallthrough; case RPSM_EVENT_PRLO_RCVD: if (rport->prlo == BFA_TRUE) bfa_fcs_rport_send_prlo_acc(rport); bfa_fcxp_discard(rport->fcxp); fallthrough; case RPSM_EVENT_FAILED: if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) { rport->plogi_retries++; bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, BFA_FCS_RETRY_TIMEOUT); } else { bfa_stats(rport->port, rport_del_max_plogi_retry); rport->old_pid = rport->pid; rport->pid = 0; bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); } break; case RPSM_EVENT_SCN_ONLINE: break; case RPSM_EVENT_SCN_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_fcxp_discard(rport->fcxp); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; case RPSM_EVENT_PLOGI_RETRY: rport->plogi_retries = 0; bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, (FC_RA_TOV * 1000)); break; case RPSM_EVENT_LOGO_IMP: rport->pid = 0; bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_fcxp_discard(rport->fcxp); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; case RPSM_EVENT_ADDRESS_CHANGE: case RPSM_EVENT_FAB_SCN: bfa_fcxp_discard(rport->fcxp); WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) != BFA_PORT_TOPOLOGY_LOOP)); bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); rport->ns_retries = 0; bfa_fcs_rport_send_nsdisc(rport, NULL); break; case RPSM_EVENT_PLOGI_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); bfa_fcxp_discard(rport->fcxp); bfa_fcs_rport_send_plogiacc(rport, NULL); break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); bfa_fcxp_discard(rport->fcxp); bfa_fcs_rport_free(rport); break; case RPSM_EVENT_PLOGI_COMP: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); bfa_fcxp_discard(rport->fcxp); bfa_fcs_rport_fcs_online_action(rport); break; default: bfa_sm_fault(rport->fcs, event); } } /* * PLOGI is done. Await bfa_fcs_itnim to ascertain the scsi function */ static void bfa_fcs_rport_sm_fc4_fcs_online(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_FC4_FCS_ONLINE: if (rport->scsi_function == BFA_RPORT_INITIATOR) { if (!BFA_FCS_PID_IS_WKA(rport->pid)) bfa_fcs_rpf_rport_online(rport); bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); break; } if (!rport->bfa_rport) rport->bfa_rport = bfa_rport_create(rport->fcs->bfa, rport); if (rport->bfa_rport) { bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); bfa_fcs_rport_hal_online(rport); } else { bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); bfa_fcs_rport_fcs_offline_action(rport); } break; case RPSM_EVENT_PLOGI_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); rport->plogi_pending = BFA_TRUE; bfa_fcs_rport_fcs_offline_action(rport); break; case RPSM_EVENT_PLOGI_COMP: case RPSM_EVENT_LOGO_IMP: case RPSM_EVENT_ADDRESS_CHANGE: case RPSM_EVENT_FAB_SCN: case RPSM_EVENT_SCN_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); bfa_fcs_rport_fcs_offline_action(rport); break; case RPSM_EVENT_LOGO_RCVD: case RPSM_EVENT_PRLO_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); bfa_fcs_rport_fcs_offline_action(rport); break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); bfa_fcs_rport_fcs_offline_action(rport); break; default: bfa_sm_fault(rport->fcs, event); break; } } /* * PLOGI is complete. Awaiting BFA rport online callback. FC-4s * are offline. */ static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_HCB_ONLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); bfa_fcs_rport_hal_online_action(rport); break; case RPSM_EVENT_PLOGI_COMP: break; case RPSM_EVENT_PRLO_RCVD: case RPSM_EVENT_LOGO_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); bfa_fcs_rport_fcs_offline_action(rport); break; case RPSM_EVENT_FAB_SCN: case RPSM_EVENT_LOGO_IMP: case RPSM_EVENT_ADDRESS_CHANGE: case RPSM_EVENT_SCN_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); bfa_fcs_rport_fcs_offline_action(rport); break; case RPSM_EVENT_PLOGI_RCVD: rport->plogi_pending = BFA_TRUE; bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); bfa_fcs_rport_fcs_offline_action(rport); break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); bfa_fcs_rport_fcs_offline_action(rport); break; default: bfa_sm_fault(rport->fcs, event); } } /* * Rport is ONLINE. FC-4s active. */ static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_FAB_SCN: if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery_sending); rport->ns_retries = 0; bfa_fcs_rport_send_nsdisc(rport, NULL); } else { bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_online_sending); bfa_fcs_rport_send_adisc(rport, NULL); } break; case RPSM_EVENT_PLOGI_RCVD: case RPSM_EVENT_LOGO_IMP: case RPSM_EVENT_ADDRESS_CHANGE: case RPSM_EVENT_SCN_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_LOGO_RCVD: case RPSM_EVENT_PRLO_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_SCN_ONLINE: case RPSM_EVENT_PLOGI_COMP: break; default: bfa_sm_fault(rport->fcs, event); } } /* * An SCN event is received in ONLINE state. NS query is being sent * prior to ADISC authentication with rport. FC-4s are paused. */ static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_FCXP_SENT: bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery); break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_FAB_SCN: /* * ignore SCN, wait for response to query itself */ break; case RPSM_EVENT_LOGO_RCVD: case RPSM_EVENT_PRLO_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_LOGO_IMP: case RPSM_EVENT_PLOGI_RCVD: case RPSM_EVENT_ADDRESS_CHANGE: case RPSM_EVENT_PLOGI_COMP: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_hal_offline_action(rport); break; default: bfa_sm_fault(rport->fcs, event); } } /* * An SCN event is received in ONLINE state. NS query is sent to rport. * FC-4s are paused. */ static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_ACCEPTED: bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_online_sending); bfa_fcs_rport_send_adisc(rport, NULL); break; case RPSM_EVENT_FAILED: rport->ns_retries++; if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery_sending); bfa_fcs_rport_send_nsdisc(rport, NULL); } else { bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); bfa_fcs_rport_hal_offline_action(rport); } break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); bfa_fcxp_discard(rport->fcxp); bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_FAB_SCN: break; case RPSM_EVENT_LOGO_RCVD: case RPSM_EVENT_PRLO_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); bfa_fcxp_discard(rport->fcxp); bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_PLOGI_COMP: case RPSM_EVENT_ADDRESS_CHANGE: case RPSM_EVENT_PLOGI_RCVD: case RPSM_EVENT_LOGO_IMP: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); bfa_fcxp_discard(rport->fcxp); bfa_fcs_rport_hal_offline_action(rport); break; default: bfa_sm_fault(rport->fcs, event); } } /* * An SCN event is received in ONLINE state. ADISC is being sent for * authenticating with rport. FC-4s are paused. */ static void bfa_fcs_rport_sm_adisc_online_sending(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_FCXP_SENT: bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_online); break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_LOGO_IMP: case RPSM_EVENT_ADDRESS_CHANGE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_LOGO_RCVD: case RPSM_EVENT_PRLO_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_FAB_SCN: break; case RPSM_EVENT_PLOGI_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_hal_offline_action(rport); break; default: bfa_sm_fault(rport->fcs, event); } } /* * An SCN event is received in ONLINE state. ADISC is to rport. * FC-4s are paused. */ static void bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_ACCEPTED: bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); break; case RPSM_EVENT_PLOGI_RCVD: /* * Too complex to cleanup FC-4 & rport and then acc to PLOGI. * At least go offline when a PLOGI is received. */ bfa_fcxp_discard(rport->fcxp); fallthrough; case RPSM_EVENT_FAILED: case RPSM_EVENT_ADDRESS_CHANGE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); bfa_fcxp_discard(rport->fcxp); bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_FAB_SCN: /* * already processing RSCN */ break; case RPSM_EVENT_LOGO_IMP: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); bfa_fcxp_discard(rport->fcxp); bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_LOGO_RCVD: case RPSM_EVENT_PRLO_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); bfa_fcxp_discard(rport->fcxp); bfa_fcs_rport_hal_offline_action(rport); break; default: bfa_sm_fault(rport->fcs, event); } } /* * ADISC is being sent for authenticating with rport * Already did offline actions. */ static void bfa_fcs_rport_sm_adisc_offline_sending(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_FCXP_SENT: bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_offline); break; case RPSM_EVENT_DELETE: case RPSM_EVENT_SCN_OFFLINE: case RPSM_EVENT_LOGO_IMP: case RPSM_EVENT_LOGO_RCVD: case RPSM_EVENT_PRLO_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; case RPSM_EVENT_PLOGI_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_send_plogiacc(rport, NULL); break; default: bfa_sm_fault(rport->fcs, event); } } /* * ADISC to rport * Already did offline actions */ static void bfa_fcs_rport_sm_adisc_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_ACCEPTED: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); bfa_fcs_rport_hal_online(rport); break; case RPSM_EVENT_PLOGI_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); bfa_fcxp_discard(rport->fcxp); bfa_fcs_rport_send_plogiacc(rport, NULL); break; case RPSM_EVENT_FAILED: bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; case RPSM_EVENT_DELETE: case RPSM_EVENT_SCN_OFFLINE: case RPSM_EVENT_LOGO_IMP: case RPSM_EVENT_LOGO_RCVD: case RPSM_EVENT_PRLO_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_fcxp_discard(rport->fcxp); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; default: bfa_sm_fault(rport->fcs, event); } } /* * Rport has sent LOGO. Awaiting FC-4 offline completion callback. */ static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_FC4_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); bfa_fcs_rport_hal_offline(rport); break; case RPSM_EVENT_DELETE: if (rport->pid && (rport->prlo == BFA_TRUE)) bfa_fcs_rport_send_prlo_acc(rport); if (rport->pid && (rport->prlo == BFA_FALSE)) bfa_fcs_rport_send_logo_acc(rport); bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_off_delete); break; case RPSM_EVENT_SCN_ONLINE: case RPSM_EVENT_SCN_OFFLINE: case RPSM_EVENT_HCB_ONLINE: case RPSM_EVENT_LOGO_RCVD: case RPSM_EVENT_PRLO_RCVD: case RPSM_EVENT_ADDRESS_CHANGE: break; default: bfa_sm_fault(rport->fcs, event); } } /* * LOGO needs to be sent to rport. Awaiting FC-4 offline completion * callback. */ static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_FC4_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); bfa_fcs_rport_hal_offline(rport); break; case RPSM_EVENT_LOGO_RCVD: bfa_fcs_rport_send_logo_acc(rport); fallthrough; case RPSM_EVENT_PRLO_RCVD: if (rport->prlo == BFA_TRUE) bfa_fcs_rport_send_prlo_acc(rport); bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_off_delete); break; case RPSM_EVENT_HCB_ONLINE: case RPSM_EVENT_DELETE: /* Rport is being deleted */ break; default: bfa_sm_fault(rport->fcs, event); } } /* * Rport is going offline. Awaiting FC-4 offline completion callback. */ static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_FC4_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); bfa_fcs_rport_hal_offline(rport); break; case RPSM_EVENT_SCN_ONLINE: break; case RPSM_EVENT_LOGO_RCVD: /* * Rport is going offline. Just ack the logo */ bfa_fcs_rport_send_logo_acc(rport); break; case RPSM_EVENT_PRLO_RCVD: bfa_fcs_rport_send_prlo_acc(rport); break; case RPSM_EVENT_SCN_OFFLINE: case RPSM_EVENT_HCB_ONLINE: case RPSM_EVENT_FAB_SCN: case RPSM_EVENT_LOGO_IMP: case RPSM_EVENT_ADDRESS_CHANGE: /* * rport is already going offline. * SCN - ignore and wait till transitioning to offline state */ break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); break; default: bfa_sm_fault(rport->fcs, event); } } /* * Rport is offline. FC-4s are offline. Awaiting BFA rport offline * callback. */ static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_HCB_OFFLINE: if (bfa_fcs_lport_is_online(rport->port) && (rport->plogi_pending)) { rport->plogi_pending = BFA_FALSE; bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); bfa_fcs_rport_send_plogiacc(rport, NULL); break; } fallthrough; case RPSM_EVENT_ADDRESS_CHANGE: if (!bfa_fcs_lport_is_online(rport->port)) { rport->pid = 0; bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; } if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); rport->ns_retries = 0; bfa_fcs_rport_send_nsdisc(rport, NULL); } else if (bfa_fcport_get_topology(rport->port->fcs->bfa) == BFA_PORT_TOPOLOGY_LOOP) { if (rport->scn_online) { bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_offline_sending); bfa_fcs_rport_send_adisc(rport, NULL); } else { bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); } } else { bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); rport->plogi_retries = 0; bfa_fcs_rport_send_plogi(rport, NULL); } break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); bfa_fcs_rport_free(rport); break; case RPSM_EVENT_SCN_ONLINE: case RPSM_EVENT_SCN_OFFLINE: case RPSM_EVENT_FAB_SCN: case RPSM_EVENT_LOGO_RCVD: case RPSM_EVENT_PRLO_RCVD: case RPSM_EVENT_PLOGI_RCVD: case RPSM_EVENT_LOGO_IMP: /* * Ignore, already offline. */ break; default: bfa_sm_fault(rport->fcs, event); } } /* * Rport is offline. FC-4s are offline. Awaiting BFA rport offline * callback to send LOGO accept. */ static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_HCB_OFFLINE: case RPSM_EVENT_ADDRESS_CHANGE: if (rport->pid && (rport->prlo == BFA_TRUE)) bfa_fcs_rport_send_prlo_acc(rport); if (rport->pid && (rport->prlo == BFA_FALSE)) bfa_fcs_rport_send_logo_acc(rport); /* * If the lport is online and if the rport is not a well * known address port, * we try to re-discover the r-port. */ if (bfa_fcs_lport_is_online(rport->port) && (!BFA_FCS_PID_IS_WKA(rport->pid))) { if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); rport->ns_retries = 0; bfa_fcs_rport_send_nsdisc(rport, NULL); } else { /* For N2N Direct Attach, try to re-login */ bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); rport->plogi_retries = 0; bfa_fcs_rport_send_plogi(rport, NULL); } } else { /* * if it is not a well known address, reset the * pid to 0. */ if (!BFA_FCS_PID_IS_WKA(rport->pid)) rport->pid = 0; bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); } break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_delete_pending); if (rport->pid && (rport->prlo == BFA_TRUE)) bfa_fcs_rport_send_prlo_acc(rport); if (rport->pid && (rport->prlo == BFA_FALSE)) bfa_fcs_rport_send_logo_acc(rport); break; case RPSM_EVENT_LOGO_IMP: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); break; case RPSM_EVENT_SCN_ONLINE: case RPSM_EVENT_SCN_OFFLINE: case RPSM_EVENT_LOGO_RCVD: case RPSM_EVENT_PRLO_RCVD: /* * Ignore - already processing a LOGO. */ break; default: bfa_sm_fault(rport->fcs, event); } } /* * Rport is being deleted. FC-4s are offline. * Awaiting BFA rport offline * callback to send LOGO. */ static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_HCB_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending); bfa_fcs_rport_send_logo(rport, NULL); break; case RPSM_EVENT_LOGO_RCVD: bfa_fcs_rport_send_logo_acc(rport); fallthrough; case RPSM_EVENT_PRLO_RCVD: if (rport->prlo == BFA_TRUE) bfa_fcs_rport_send_prlo_acc(rport); bfa_sm_set_state(rport, bfa_fcs_rport_sm_delete_pending); break; case RPSM_EVENT_SCN_ONLINE: case RPSM_EVENT_SCN_OFFLINE: case RPSM_EVENT_ADDRESS_CHANGE: break; default: bfa_sm_fault(rport->fcs, event); } } /* * Rport is being deleted. FC-4s are offline. LOGO is being sent. */ static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_FCXP_SENT: /* Once LOGO is sent, we donot wait for the response */ bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); bfa_fcs_rport_free(rport); break; case RPSM_EVENT_SCN_ONLINE: case RPSM_EVENT_SCN_OFFLINE: case RPSM_EVENT_FAB_SCN: case RPSM_EVENT_ADDRESS_CHANGE: break; case RPSM_EVENT_LOGO_RCVD: bfa_fcs_rport_send_logo_acc(rport); fallthrough; case RPSM_EVENT_PRLO_RCVD: if (rport->prlo == BFA_TRUE) bfa_fcs_rport_send_prlo_acc(rport); bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_free(rport); break; default: bfa_sm_fault(rport->fcs, event); } } /* * Rport is offline. FC-4s are offline. BFA rport is offline. * Timer active to delete stale rport. */ static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_TIMEOUT: bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); bfa_fcs_rport_free(rport); break; case RPSM_EVENT_FAB_SCN: case RPSM_EVENT_ADDRESS_CHANGE: bfa_timer_stop(&rport->timer); WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) != BFA_PORT_TOPOLOGY_LOOP)); bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); rport->ns_retries = 0; bfa_fcs_rport_send_nsdisc(rport, NULL); break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); bfa_timer_stop(&rport->timer); bfa_fcs_rport_free(rport); break; case RPSM_EVENT_PLOGI_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); bfa_timer_stop(&rport->timer); bfa_fcs_rport_send_plogiacc(rport, NULL); break; case RPSM_EVENT_LOGO_RCVD: case RPSM_EVENT_PRLO_RCVD: case RPSM_EVENT_LOGO_IMP: case RPSM_EVENT_SCN_OFFLINE: break; case RPSM_EVENT_PLOGI_COMP: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); bfa_timer_stop(&rport->timer); bfa_fcs_rport_fcs_online_action(rport); break; case RPSM_EVENT_SCN_ONLINE: bfa_timer_stop(&rport->timer); bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); bfa_fcs_rport_send_plogi(rport, NULL); break; case RPSM_EVENT_PLOGI_SEND: bfa_timer_stop(&rport->timer); bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); rport->plogi_retries = 0; bfa_fcs_rport_send_plogi(rport, NULL); break; default: bfa_sm_fault(rport->fcs, event); } } /* * Rport address has changed. Nameserver discovery request is being sent. */ static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_FCXP_SENT: bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent); break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_free(rport); break; case RPSM_EVENT_PLOGI_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_send_plogiacc(rport, NULL); break; case RPSM_EVENT_FAB_SCN: case RPSM_EVENT_LOGO_RCVD: case RPSM_EVENT_PRLO_RCVD: case RPSM_EVENT_PLOGI_SEND: break; case RPSM_EVENT_ADDRESS_CHANGE: rport->ns_retries = 0; /* reset the retry count */ break; case RPSM_EVENT_LOGO_IMP: bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; case RPSM_EVENT_PLOGI_COMP: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); bfa_fcs_rport_fcs_online_action(rport); break; default: bfa_sm_fault(rport->fcs, event); } } /* * Nameserver discovery failed. Waiting for timeout to retry. */ static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_TIMEOUT: bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); bfa_fcs_rport_send_nsdisc(rport, NULL); break; case RPSM_EVENT_FAB_SCN: case RPSM_EVENT_ADDRESS_CHANGE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); bfa_timer_stop(&rport->timer); rport->ns_retries = 0; bfa_fcs_rport_send_nsdisc(rport, NULL); break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); bfa_timer_stop(&rport->timer); bfa_fcs_rport_free(rport); break; case RPSM_EVENT_PLOGI_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); bfa_timer_stop(&rport->timer); bfa_fcs_rport_send_plogiacc(rport, NULL); break; case RPSM_EVENT_LOGO_IMP: rport->pid = 0; bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_timer_stop(&rport->timer); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; case RPSM_EVENT_LOGO_RCVD: bfa_fcs_rport_send_logo_acc(rport); break; case RPSM_EVENT_PRLO_RCVD: bfa_fcs_rport_send_prlo_acc(rport); break; case RPSM_EVENT_PLOGI_COMP: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); bfa_timer_stop(&rport->timer); bfa_fcs_rport_fcs_online_action(rport); break; default: bfa_sm_fault(rport->fcs, event); } } /* * Rport address has changed. Nameserver discovery request is sent. */ static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_ACCEPTED: case RPSM_EVENT_ADDRESS_CHANGE: if (rport->pid) { bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); bfa_fcs_rport_send_plogi(rport, NULL); } else { bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); rport->ns_retries = 0; bfa_fcs_rport_send_nsdisc(rport, NULL); } break; case RPSM_EVENT_FAILED: rport->ns_retries++; if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); bfa_fcs_rport_send_nsdisc(rport, NULL); } else { rport->old_pid = rport->pid; rport->pid = 0; bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); } break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); bfa_fcxp_discard(rport->fcxp); bfa_fcs_rport_free(rport); break; case RPSM_EVENT_PLOGI_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); bfa_fcxp_discard(rport->fcxp); bfa_fcs_rport_send_plogiacc(rport, NULL); break; case RPSM_EVENT_LOGO_IMP: rport->pid = 0; bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); bfa_fcxp_discard(rport->fcxp); bfa_timer_start(rport->fcs->bfa, &rport->timer, bfa_fcs_rport_timeout, rport, bfa_fcs_rport_del_timeout); break; case RPSM_EVENT_PRLO_RCVD: bfa_fcs_rport_send_prlo_acc(rport); break; case RPSM_EVENT_FAB_SCN: /* * ignore, wait for NS query response */ break; case RPSM_EVENT_LOGO_RCVD: /* * Not logged-in yet. Accept LOGO. */ bfa_fcs_rport_send_logo_acc(rport); break; case RPSM_EVENT_PLOGI_COMP: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); bfa_fcxp_discard(rport->fcxp); bfa_fcs_rport_fcs_online_action(rport); break; default: bfa_sm_fault(rport->fcs, event); } } /* * Rport needs to be deleted * waiting for ITNIM clean up to finish */ static void bfa_fcs_rport_sm_fc4_off_delete(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_FC4_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_delete_pending); bfa_fcs_rport_hal_offline(rport); break; case RPSM_EVENT_DELETE: case RPSM_EVENT_PLOGI_RCVD: /* Ignore these events */ break; default: bfa_sm_fault(rport->fcs, event); break; } } /* * RPort needs to be deleted * waiting for BFA/FW to finish current processing */ static void bfa_fcs_rport_sm_delete_pending(struct bfa_fcs_rport_s *rport, enum rport_event event) { bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPSM_EVENT_HCB_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); bfa_fcs_rport_free(rport); break; case RPSM_EVENT_DELETE: case RPSM_EVENT_LOGO_IMP: case RPSM_EVENT_PLOGI_RCVD: /* Ignore these events */ break; default: bfa_sm_fault(rport->fcs, event); } } /* * fcs_rport_private FCS RPORT provate functions */ static void bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) { struct bfa_fcs_rport_s *rport = rport_cbarg; struct bfa_fcs_lport_s *port = rport->port; struct fchs_s fchs; int len; struct bfa_fcxp_s *fcxp; bfa_trc(rport->fcs, rport->pwwn); fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, bfa_fcs_rport_send_plogi, rport, BFA_TRUE); return; } rport->fcxp = fcxp; len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.pwwn, port->port_cfg.nwwn, bfa_fcport_get_maxfrsize(port->fcs->bfa), bfa_fcport_get_rx_bbcredit(port->fcs->bfa)); bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response, (void *)rport, FC_MAX_PDUSZ, FC_ELS_TOV); rport->stats.plogis++; bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); } static void bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs) { struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; struct fc_logi_s *plogi_rsp; struct fc_ls_rjt_s *ls_rjt; struct bfa_fcs_rport_s *twin; struct list_head *qe; bfa_trc(rport->fcs, rport->pwwn); /* * Sanity Checks */ if (req_status != BFA_STATUS_OK) { bfa_trc(rport->fcs, req_status); rport->stats.plogi_failed++; bfa_sm_send_event(rport, RPSM_EVENT_FAILED); return; } plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp); /* * Check for failure first. */ if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) { ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); bfa_trc(rport->fcs, ls_rjt->reason_code); bfa_trc(rport->fcs, ls_rjt->reason_code_expl); if ((ls_rjt->reason_code == FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD) && (ls_rjt->reason_code_expl == FC_LS_RJT_EXP_INSUFF_RES)) { rport->stats.rjt_insuff_res++; bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RETRY); return; } rport->stats.plogi_rejects++; bfa_sm_send_event(rport, RPSM_EVENT_FAILED); return; } /* * PLOGI is complete. Make sure this device is not one of the known * device with a new FC port address. */ list_for_each(qe, &rport->port->rport_q) { twin = (struct bfa_fcs_rport_s *) qe; if (twin == rport) continue; if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) { bfa_trc(rport->fcs, twin->pid); bfa_trc(rport->fcs, rport->pid); /* Update plogi stats in twin */ twin->stats.plogis += rport->stats.plogis; twin->stats.plogi_rejects += rport->stats.plogi_rejects; twin->stats.plogi_timeouts += rport->stats.plogi_timeouts; twin->stats.plogi_failed += rport->stats.plogi_failed; twin->stats.plogi_rcvd += rport->stats.plogi_rcvd; twin->stats.plogi_accs++; bfa_sm_send_event(rport, RPSM_EVENT_DELETE); bfa_fcs_rport_update(twin, plogi_rsp); twin->pid = rsp_fchs->s_id; bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP); return; } } /* * Normal login path -- no evil twins. */ rport->stats.plogi_accs++; bfa_fcs_rport_update(rport, plogi_rsp); bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); } static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) { struct bfa_fcs_rport_s *rport = rport_cbarg; struct bfa_fcs_lport_s *port = rport->port; struct fchs_s fchs; int len; struct bfa_fcxp_s *fcxp; bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->reply_oxid); fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, bfa_fcs_rport_send_plogiacc, rport, BFA_FALSE); return; } rport->fcxp = fcxp; len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, bfa_fcs_lport_get_fcid(port), rport->reply_oxid, port->port_cfg.pwwn, port->port_cfg.nwwn, bfa_fcport_get_maxfrsize(port->fcs->bfa), bfa_fcport_get_rx_bbcredit(port->fcs->bfa)); bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); } static void bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) { struct bfa_fcs_rport_s *rport = rport_cbarg; struct bfa_fcs_lport_s *port = rport->port; struct fchs_s fchs; int len; struct bfa_fcxp_s *fcxp; bfa_trc(rport->fcs, rport->pwwn); fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, bfa_fcs_rport_send_adisc, rport, BFA_TRUE); return; } rport->fcxp = fcxp; len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.pwwn, port->port_cfg.nwwn); bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response, rport, FC_MAX_PDUSZ, FC_ELS_TOV); rport->stats.adisc_sent++; bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); } static void bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs) { struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; void *pld = bfa_fcxp_get_rspbuf(fcxp); struct fc_ls_rjt_s *ls_rjt; if (req_status != BFA_STATUS_OK) { bfa_trc(rport->fcs, req_status); rport->stats.adisc_failed++; bfa_sm_send_event(rport, RPSM_EVENT_FAILED); return; } if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn, rport->nwwn) == FC_PARSE_OK) { rport->stats.adisc_accs++; bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); return; } rport->stats.adisc_rejects++; ls_rjt = pld; bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code); bfa_trc(rport->fcs, ls_rjt->reason_code); bfa_trc(rport->fcs, ls_rjt->reason_code_expl); bfa_sm_send_event(rport, RPSM_EVENT_FAILED); } static void bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) { struct bfa_fcs_rport_s *rport = rport_cbarg; struct bfa_fcs_lport_s *port = rport->port; struct fchs_s fchs; struct bfa_fcxp_s *fcxp; int len; bfa_cb_fcxp_send_t cbfn; bfa_trc(rport->fcs, rport->pid); fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, bfa_fcs_rport_send_nsdisc, rport, BFA_TRUE); return; } rport->fcxp = fcxp; if (rport->pwwn) { len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), bfa_fcs_lport_get_fcid(port), 0, rport->pwwn); cbfn = bfa_fcs_rport_gidpn_response; } else { len = fc_gpnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), bfa_fcs_lport_get_fcid(port), 0, rport->pid); cbfn = bfa_fcs_rport_gpnid_response; } bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, cbfn, (void *)rport, FC_MAX_PDUSZ, FC_FCCT_TOV); bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); } static void bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs) { struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; struct ct_hdr_s *cthdr; struct fcgs_gidpn_resp_s *gidpn_rsp; struct bfa_fcs_rport_s *twin; struct list_head *qe; bfa_trc(rport->fcs, rport->pwwn); cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { /* Check if the pid is the same as before. */ gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1); if (gidpn_rsp->dap == rport->pid) { /* Device is online */ bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); } else { /* * Device's PID has changed. We need to cleanup * and re-login. If there is another device with * the the newly discovered pid, send an scn notice * so that its new pid can be discovered. */ list_for_each(qe, &rport->port->rport_q) { twin = (struct bfa_fcs_rport_s *) qe; if (twin == rport) continue; if (gidpn_rsp->dap == twin->pid) { bfa_trc(rport->fcs, twin->pid); bfa_trc(rport->fcs, rport->pid); twin->pid = 0; bfa_sm_send_event(twin, RPSM_EVENT_ADDRESS_CHANGE); } } rport->pid = gidpn_rsp->dap; bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE); } return; } /* * Reject Response */ switch (cthdr->reason_code) { case CT_RSN_LOGICAL_BUSY: /* * Need to retry */ bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); break; case CT_RSN_UNABLE_TO_PERF: /* * device doesn't exist : Start timer to cleanup this later. */ bfa_sm_send_event(rport, RPSM_EVENT_FAILED); break; default: bfa_sm_send_event(rport, RPSM_EVENT_FAILED); break; } } static void bfa_fcs_rport_gpnid_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs) { struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; struct ct_hdr_s *cthdr; bfa_trc(rport->fcs, rport->pwwn); cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); return; } /* * Reject Response */ switch (cthdr->reason_code) { case CT_RSN_LOGICAL_BUSY: /* * Need to retry */ bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); break; case CT_RSN_UNABLE_TO_PERF: /* * device doesn't exist : Start timer to cleanup this later. */ bfa_sm_send_event(rport, RPSM_EVENT_FAILED); break; default: bfa_sm_send_event(rport, RPSM_EVENT_FAILED); break; } } /* * Called to send a logout to the rport. */ static void bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) { struct bfa_fcs_rport_s *rport = rport_cbarg; struct bfa_fcs_lport_s *port; struct fchs_s fchs; struct bfa_fcxp_s *fcxp; u16 len; bfa_trc(rport->fcs, rport->pid); port = rport->port; fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, bfa_fcs_rport_send_logo, rport, BFA_FALSE); return; } rport->fcxp = fcxp; len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, bfa_fcs_lport_get_fcid(port), 0, bfa_fcs_lport_get_pwwn(port)); bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, rport, FC_MAX_PDUSZ, FC_ELS_TOV); rport->stats.logos++; bfa_fcxp_discard(rport->fcxp); bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); } /* * Send ACC for a LOGO received. */ static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg) { struct bfa_fcs_rport_s *rport = rport_cbarg; struct bfa_fcs_lport_s *port; struct fchs_s fchs; struct bfa_fcxp_s *fcxp; u16 len; bfa_trc(rport->fcs, rport->pid); port = rport->port; fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; rport->stats.logo_rcvd++; len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, bfa_fcs_lport_get_fcid(port), rport->reply_oxid); bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); } /* * brief * This routine will be called by bfa_timer on timer timeouts. * * param[in] rport - pointer to bfa_fcs_lport_ns_t. * param[out] rport_status - pointer to return vport status in * * return * void * * Special Considerations: * * note */ static void bfa_fcs_rport_timeout(void *arg) { struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) arg; rport->stats.plogi_timeouts++; bfa_stats(rport->port, rport_plogi_timeouts); bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); } static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u16 len) { struct bfa_fcxp_s *fcxp; struct fchs_s fchs; struct bfa_fcs_lport_s *port = rport->port; struct fc_prli_s *prli; bfa_trc(port->fcs, rx_fchs->s_id); bfa_trc(port->fcs, rx_fchs->d_id); rport->stats.prli_rcvd++; /* * We are in Initiator Mode */ prli = (struct fc_prli_s *) (rx_fchs + 1); if (prli->parampage.servparams.target) { /* * PRLI from a target ? * Send the Acc. * PRLI sent by us will be used to transition the IT nexus, * once the response is received from the target. */ bfa_trc(port->fcs, rx_fchs->s_id); rport->scsi_function = BFA_RPORT_TARGET; } else { bfa_trc(rport->fcs, prli->parampage.type); rport->scsi_function = BFA_RPORT_INITIATOR; bfa_fcs_itnim_is_initiator(rport->itnim); } fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), rx_fchs->ox_id, port->port_cfg.roles); bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); } static void bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u16 len) { struct bfa_fcxp_s *fcxp; struct fchs_s fchs; struct bfa_fcs_lport_s *port = rport->port; struct fc_rpsc_speed_info_s speeds; struct bfa_port_attr_s pport_attr; bfa_trc(port->fcs, rx_fchs->s_id); bfa_trc(port->fcs, rx_fchs->d_id); rport->stats.rpsc_rcvd++; speeds.port_speed_cap = RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G | RPSC_SPEED_CAP_8G; /* * get curent speed from pport attributes from BFA */ bfa_fcport_get_attr(port->fcs->bfa, &pport_attr); speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed); fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), rx_fchs->ox_id, &speeds); bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); } static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u16 len) { struct bfa_fcxp_s *fcxp; struct fchs_s fchs; struct bfa_fcs_lport_s *port = rport->port; bfa_trc(port->fcs, rx_fchs->s_id); bfa_trc(port->fcs, rx_fchs->d_id); rport->stats.adisc_rcvd++; /* * Accept if the itnim for this rport is online. * Else reject the ADISC. */ if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) { fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), rx_fchs->ox_id, port->port_cfg.pwwn, port->port_cfg.nwwn); bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); } else { rport->stats.adisc_rejected++; bfa_fcs_rport_send_ls_rjt(rport, rx_fchs, FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD, FC_LS_RJT_EXP_LOGIN_REQUIRED); } } static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport) { struct bfa_fcs_lport_s *port = rport->port; struct bfa_rport_info_s rport_info; rport_info.pid = rport->pid; rport_info.local_pid = port->pid; rport_info.lp_tag = port->lp_tag; rport_info.vf_id = port->fabric->vf_id; rport_info.vf_en = port->fabric->is_vf; rport_info.fc_class = rport->fc_cos; rport_info.cisc = rport->cisc; rport_info.max_frmsz = rport->maxfrsize; bfa_rport_online(rport->bfa_rport, &rport_info); } static void bfa_fcs_rport_hal_offline(struct bfa_fcs_rport_s *rport) { if (rport->bfa_rport) bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); else bfa_cb_rport_offline(rport); } static struct bfa_fcs_rport_s * bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid) { struct bfa_fcs_s *fcs = port->fcs; struct bfa_fcs_rport_s *rport; struct bfad_rport_s *rport_drv; /* * allocate rport */ if (fcs->num_rport_logins >= bfa_fcs_rport_max_logins) { bfa_trc(fcs, rpid); return NULL; } if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv) != BFA_STATUS_OK) { bfa_trc(fcs, rpid); return NULL; } /* * Initialize r-port */ rport->port = port; rport->fcs = fcs; rport->rp_drv = rport_drv; rport->pid = rpid; rport->pwwn = pwwn; rport->old_pid = 0; rport->bfa_rport = NULL; /* * allocate FC-4s */ WARN_ON(!bfa_fcs_lport_is_initiator(port)); if (bfa_fcs_lport_is_initiator(port)) { rport->itnim = bfa_fcs_itnim_create(rport); if (!rport->itnim) { bfa_trc(fcs, rpid); kfree(rport_drv); return NULL; } } bfa_fcs_lport_add_rport(port, rport); fcs->num_rport_logins++; bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); /* Initialize the Rport Features(RPF) Sub Module */ if (!BFA_FCS_PID_IS_WKA(rport->pid)) bfa_fcs_rpf_init(rport); return rport; } static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport) { struct bfa_fcs_lport_s *port = rport->port; struct bfa_fcs_s *fcs = port->fcs; /* * - delete FC-4s * - delete BFA rport * - remove from queue of rports */ rport->plogi_pending = BFA_FALSE; if (bfa_fcs_lport_is_initiator(port)) { bfa_fcs_itnim_delete(rport->itnim); if (rport->pid != 0 && !BFA_FCS_PID_IS_WKA(rport->pid)) bfa_fcs_rpf_rport_offline(rport); } if (rport->bfa_rport) { bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_DELETE); rport->bfa_rport = NULL; } bfa_fcs_lport_del_rport(port, rport); fcs->num_rport_logins--; kfree(rport->rp_drv); } static void bfa_fcs_rport_aen_post(struct bfa_fcs_rport_s *rport, enum bfa_rport_aen_event event, struct bfa_rport_aen_data_s *data) { struct bfa_fcs_lport_s *port = rport->port; struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; struct bfa_aen_entry_s *aen_entry; bfad_get_aen_entry(bfad, aen_entry); if (!aen_entry) return; if (event == BFA_RPORT_AEN_QOS_PRIO) aen_entry->aen_data.rport.priv.qos = data->priv.qos; else if (event == BFA_RPORT_AEN_QOS_FLOWID) aen_entry->aen_data.rport.priv.qos = data->priv.qos; aen_entry->aen_data.rport.vf_id = rport->port->fabric->vf_id; aen_entry->aen_data.rport.ppwwn = bfa_fcs_lport_get_pwwn( bfa_fcs_get_base_port(rport->fcs)); aen_entry->aen_data.rport.lpwwn = bfa_fcs_lport_get_pwwn(rport->port); aen_entry->aen_data.rport.rpwwn = rport->pwwn; /* Send the AEN notification */ bfad_im_post_vendor_event(aen_entry, bfad, ++rport->fcs->fcs_aen_seq, BFA_AEN_CAT_RPORT, event); } static void bfa_fcs_rport_fcs_online_action(struct bfa_fcs_rport_s *rport) { if ((!rport->pid) || (!rport->pwwn)) { bfa_trc(rport->fcs, rport->pid); bfa_sm_fault(rport->fcs, rport->pid); } bfa_sm_send_event(rport->itnim, BFA_FCS_ITNIM_SM_FCS_ONLINE); } static void bfa_fcs_rport_hal_online_action(struct bfa_fcs_rport_s *rport) { struct bfa_fcs_lport_s *port = rport->port; struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; char lpwwn_buf[BFA_STRING_32]; char rpwwn_buf[BFA_STRING_32]; rport->stats.onlines++; if ((!rport->pid) || (!rport->pwwn)) { bfa_trc(rport->fcs, rport->pid); bfa_sm_fault(rport->fcs, rport->pid); } if (bfa_fcs_lport_is_initiator(port)) { bfa_fcs_itnim_brp_online(rport->itnim); if (!BFA_FCS_PID_IS_WKA(rport->pid)) bfa_fcs_rpf_rport_online(rport); } wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); wwn2str(rpwwn_buf, rport->pwwn); if (!BFA_FCS_PID_IS_WKA(rport->pid)) { BFA_LOG(KERN_INFO, bfad, bfa_log_level, "Remote port (WWN = %s) online for logical port (WWN = %s)\n", rpwwn_buf, lpwwn_buf); bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_ONLINE, NULL); } } static void bfa_fcs_rport_fcs_offline_action(struct bfa_fcs_rport_s *rport) { if (!BFA_FCS_PID_IS_WKA(rport->pid)) bfa_fcs_rpf_rport_offline(rport); bfa_fcs_itnim_rport_offline(rport->itnim); } static void bfa_fcs_rport_hal_offline_action(struct bfa_fcs_rport_s *rport) { struct bfa_fcs_lport_s *port = rport->port; struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; char lpwwn_buf[BFA_STRING_32]; char rpwwn_buf[BFA_STRING_32]; if (!rport->bfa_rport) { bfa_fcs_rport_fcs_offline_action(rport); return; } rport->stats.offlines++; wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); wwn2str(rpwwn_buf, rport->pwwn); if (!BFA_FCS_PID_IS_WKA(rport->pid)) { if (bfa_fcs_lport_is_online(rport->port) == BFA_TRUE) { BFA_LOG(KERN_ERR, bfad, bfa_log_level, "Remote port (WWN = %s) connectivity lost for " "logical port (WWN = %s)\n", rpwwn_buf, lpwwn_buf); bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_DISCONNECT, NULL); } else { BFA_LOG(KERN_INFO, bfad, bfa_log_level, "Remote port (WWN = %s) offlined by " "logical port (WWN = %s)\n", rpwwn_buf, lpwwn_buf); bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_OFFLINE, NULL); } } if (bfa_fcs_lport_is_initiator(port)) { bfa_fcs_itnim_rport_offline(rport->itnim); if (!BFA_FCS_PID_IS_WKA(rport->pid)) bfa_fcs_rpf_rport_offline(rport); } } /* * Update rport parameters from PLOGI or PLOGI accept. */ static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) { bfa_fcs_lport_t *port = rport->port; /* * - port name * - node name */ rport->pwwn = plogi->port_name; rport->nwwn = plogi->node_name; /* * - class of service */ rport->fc_cos = 0; if (plogi->class3.class_valid) rport->fc_cos = FC_CLASS_3; if (plogi->class2.class_valid) rport->fc_cos |= FC_CLASS_2; /* * - CISC * - MAX receive frame size */ rport->cisc = plogi->csp.cisc; if (be16_to_cpu(plogi->class3.rxsz) < be16_to_cpu(plogi->csp.rxsz)) rport->maxfrsize = be16_to_cpu(plogi->class3.rxsz); else rport->maxfrsize = be16_to_cpu(plogi->csp.rxsz); bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); bfa_trc(port->fcs, port->fabric->bb_credit); /* * Direct Attach P2P mode : * This is to handle a bug (233476) in IBM targets in Direct Attach * Mode. Basically, in FLOGI Accept the target would have * erroneously set the BB Credit to the value used in the FLOGI * sent by the HBA. It uses the correct value (its own BB credit) * in PLOGI. */ if ((!bfa_fcs_fabric_is_switched(port->fabric)) && (be16_to_cpu(plogi->csp.bbcred) < port->fabric->bb_credit)) { bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); bfa_trc(port->fcs, port->fabric->bb_credit); port->fabric->bb_credit = be16_to_cpu(plogi->csp.bbcred); bfa_fcport_set_tx_bbcredit(port->fcs->bfa, port->fabric->bb_credit); } } /* * Called to handle LOGO received from an existing remote port. */ static void bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs) { rport->reply_oxid = fchs->ox_id; bfa_trc(rport->fcs, rport->reply_oxid); rport->prlo = BFA_FALSE; rport->stats.logo_rcvd++; bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD); } /* * fcs_rport_public FCS rport public interfaces */ /* * Called by bport/vport to create a remote port instance for a discovered * remote device. * * @param[in] port - base port or vport * @param[in] rpid - remote port ID * * @return None */ struct bfa_fcs_rport_s * bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, u32 rpid) { struct bfa_fcs_rport_s *rport; bfa_trc(port->fcs, rpid); rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid); if (!rport) return NULL; bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); return rport; } /* * Called to create a rport for which only the wwn is known. * * @param[in] port - base port * @param[in] rpwwn - remote port wwn * * @return None */ struct bfa_fcs_rport_s * bfa_fcs_rport_create_by_wwn(struct bfa_fcs_lport_s *port, wwn_t rpwwn) { struct bfa_fcs_rport_s *rport; bfa_trc(port->fcs, rpwwn); rport = bfa_fcs_rport_alloc(port, rpwwn, 0); if (!rport) return NULL; bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC); return rport; } /* * Called by bport in private loop topology to indicate that a * rport has been discovered and plogi has been completed. * * @param[in] port - base port or vport * @param[in] rpid - remote port ID */ void bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, struct fc_logi_s *plogi) { struct bfa_fcs_rport_s *rport; rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id); if (!rport) return; bfa_fcs_rport_update(rport, plogi); bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP); } /* * Called by bport/vport to handle PLOGI received from a new remote port. * If an existing rport does a plogi, it will be handled separately. */ void bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, struct fc_logi_s *plogi) { struct bfa_fcs_rport_s *rport; rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id); if (!rport) return; bfa_fcs_rport_update(rport, plogi); rport->reply_oxid = fchs->ox_id; bfa_trc(rport->fcs, rport->reply_oxid); rport->stats.plogi_rcvd++; bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); } /* * Called by bport/vport to handle PLOGI received from an existing * remote port. */ void bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, struct fc_logi_s *plogi) { /* * @todo Handle P2P and initiator-initiator. */ bfa_fcs_rport_update(rport, plogi); rport->reply_oxid = rx_fchs->ox_id; bfa_trc(rport->fcs, rport->reply_oxid); rport->pid = rx_fchs->s_id; bfa_trc(rport->fcs, rport->pid); rport->stats.plogi_rcvd++; bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); } /* * Called by bport/vport to notify SCN for the remote port */ void bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) { rport->stats.rscns++; bfa_sm_send_event(rport, RPSM_EVENT_FAB_SCN); } /* * brief * This routine BFA callback for bfa_rport_online() call. * * param[in] cb_arg - rport struct. * * return * void * * Special Considerations: * * note */ void bfa_cb_rport_online(void *cbarg) { struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; bfa_trc(rport->fcs, rport->pwwn); bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE); } /* * brief * This routine BFA callback for bfa_rport_offline() call. * * param[in] rport - * * return * void * * Special Considerations: * * note */ void bfa_cb_rport_offline(void *cbarg) { struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; bfa_trc(rport->fcs, rport->pwwn); bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE); } /* * brief * This routine is a static BFA callback when there is a QoS flow_id * change notification * * param[in] rport - * * return * void * * Special Considerations: * * note */ void bfa_cb_rport_qos_scn_flowid(void *cbarg, struct bfa_rport_qos_attr_s old_qos_attr, struct bfa_rport_qos_attr_s new_qos_attr) { struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; struct bfa_rport_aen_data_s aen_data; bfa_trc(rport->fcs, rport->pwwn); aen_data.priv.qos = new_qos_attr; bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_FLOWID, &aen_data); } void bfa_cb_rport_scn_online(struct bfa_s *bfa) { struct bfa_fcs_s *fcs = &((struct bfad_s *)bfa->bfad)->bfa_fcs; struct bfa_fcs_lport_s *port = bfa_fcs_get_base_port(fcs); struct bfa_fcs_rport_s *rp; struct list_head *qe; list_for_each(qe, &port->rport_q) { rp = (struct bfa_fcs_rport_s *) qe; bfa_sm_send_event(rp, RPSM_EVENT_SCN_ONLINE); rp->scn_online = BFA_TRUE; } if (bfa_fcs_lport_is_online(port)) bfa_fcs_lport_lip_scn_online(port); } void bfa_cb_rport_scn_no_dev(void *rport) { struct bfa_fcs_rport_s *rp = rport; bfa_sm_send_event(rp, RPSM_EVENT_SCN_OFFLINE); rp->scn_online = BFA_FALSE; } void bfa_cb_rport_scn_offline(struct bfa_s *bfa) { struct bfa_fcs_s *fcs = &((struct bfad_s *)bfa->bfad)->bfa_fcs; struct bfa_fcs_lport_s *port = bfa_fcs_get_base_port(fcs); struct bfa_fcs_rport_s *rp; struct list_head *qe; list_for_each(qe, &port->rport_q) { rp = (struct bfa_fcs_rport_s *) qe; bfa_sm_send_event(rp, RPSM_EVENT_SCN_OFFLINE); rp->scn_online = BFA_FALSE; } } /* * brief * This routine is a static BFA callback when there is a QoS priority * change notification * * param[in] rport - * * return * void * * Special Considerations: * * note */ void bfa_cb_rport_qos_scn_prio(void *cbarg, struct bfa_rport_qos_attr_s old_qos_attr, struct bfa_rport_qos_attr_s new_qos_attr) { struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; struct bfa_rport_aen_data_s aen_data; bfa_trc(rport->fcs, rport->pwwn); aen_data.priv.qos = new_qos_attr; bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_PRIO, &aen_data); } /* * Called to process any unsolicted frames from this remote port */ void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, u16 len) { struct bfa_fcs_lport_s *port = rport->port; struct fc_els_cmd_s *els_cmd; bfa_trc(rport->fcs, fchs->s_id); bfa_trc(rport->fcs, fchs->d_id); bfa_trc(rport->fcs, fchs->type); if (fchs->type != FC_TYPE_ELS) return; els_cmd = (struct fc_els_cmd_s *) (fchs + 1); bfa_trc(rport->fcs, els_cmd->els_code); switch (els_cmd->els_code) { case FC_ELS_LOGO: bfa_stats(port, plogi_rcvd); bfa_fcs_rport_process_logo(rport, fchs); break; case FC_ELS_ADISC: bfa_stats(port, adisc_rcvd); bfa_fcs_rport_process_adisc(rport, fchs, len); break; case FC_ELS_PRLO: bfa_stats(port, prlo_rcvd); if (bfa_fcs_lport_is_initiator(port)) bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len); break; case FC_ELS_PRLI: bfa_stats(port, prli_rcvd); bfa_fcs_rport_process_prli(rport, fchs, len); break; case FC_ELS_RPSC: bfa_stats(port, rpsc_rcvd); bfa_fcs_rport_process_rpsc(rport, fchs, len); break; default: bfa_stats(port, un_handled_els_rcvd); bfa_fcs_rport_send_ls_rjt(rport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP, FC_LS_RJT_EXP_NO_ADDL_INFO); break; } } /* send best case acc to prlo */ static void bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport) { struct bfa_fcs_lport_s *port = rport->port; struct fchs_s fchs; struct bfa_fcxp_s *fcxp; int len; bfa_trc(rport->fcs, rport->pid); fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; len = fc_prlo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, bfa_fcs_lport_get_fcid(port), rport->reply_oxid, 0); bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); } /* * Send a LS reject */ static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl) { struct bfa_fcs_lport_s *port = rport->port; struct fchs_s fchs; struct bfa_fcxp_s *fcxp; int len; bfa_trc(rport->fcs, rx_fchs->s_id); fcxp = bfa_fcs_fcxp_alloc(rport->fcs, BFA_FALSE); if (!fcxp) return; len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), rx_fchs->ox_id, reason_code, reason_code_expl); bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); } /* * Return state of rport. */ int bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) { return bfa_rport_sm_to_state(rport_sm_table, rport->sm); } /* * brief * Called by the Driver to set rport delete/ageout timeout * * param[in] rport timeout value in seconds. * * return None */ void bfa_fcs_rport_set_del_timeout(u8 rport_tmo) { /* convert to Millisecs */ if (rport_tmo > 0) bfa_fcs_rport_del_timeout = rport_tmo * 1000; } void bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id) { bfa_trc(rport->fcs, rport->pid); rport->prlo = BFA_TRUE; rport->reply_oxid = ox_id; bfa_sm_send_event(rport, RPSM_EVENT_PRLO_RCVD); } /* * Called by BFAD to set the max limit on number of bfa_fcs_rport allocation * which limits number of concurrent logins to remote ports */ void bfa_fcs_rport_set_max_logins(u32 max_logins) { if (max_logins > 0) bfa_fcs_rport_max_logins = max_logins; } void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, struct bfa_rport_attr_s *rport_attr) { struct bfa_rport_qos_attr_s qos_attr; struct bfa_fcs_lport_s *port = rport->port; bfa_port_speed_t rport_speed = rport->rpf.rpsc_speed; struct bfa_port_attr_s port_attr; bfa_fcport_get_attr(rport->fcs->bfa, &port_attr); memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s)); memset(&qos_attr, 0, sizeof(struct bfa_rport_qos_attr_s)); rport_attr->pid = rport->pid; rport_attr->pwwn = rport->pwwn; rport_attr->nwwn = rport->nwwn; rport_attr->cos_supported = rport->fc_cos; rport_attr->df_sz = rport->maxfrsize; rport_attr->state = bfa_fcs_rport_get_state(rport); rport_attr->fc_cos = rport->fc_cos; rport_attr->cisc = rport->cisc; rport_attr->scsi_function = rport->scsi_function; rport_attr->curr_speed = rport->rpf.rpsc_speed; rport_attr->assigned_speed = rport->rpf.assigned_speed; if (rport->bfa_rport) { qos_attr.qos_priority = rport->bfa_rport->qos_attr.qos_priority; qos_attr.qos_flow_id = cpu_to_be32(rport->bfa_rport->qos_attr.qos_flow_id); } rport_attr->qos_attr = qos_attr; rport_attr->trl_enforced = BFA_FALSE; if (bfa_fcport_is_ratelim(port->fcs->bfa) && (rport->scsi_function == BFA_RPORT_TARGET)) { if (rport_speed == BFA_PORT_SPEED_UNKNOWN) rport_speed = bfa_fcport_get_ratelim_speed(rport->fcs->bfa); if ((bfa_fcs_lport_get_rport_max_speed(port) != BFA_PORT_SPEED_UNKNOWN) && (rport_speed < port_attr.speed)) rport_attr->trl_enforced = BFA_TRUE; } } /* * Remote port implementation. */ /* * fcs_rport_api FCS rport API. */ struct bfa_fcs_rport_s * bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, wwn_t rpwwn) { struct bfa_fcs_rport_s *rport; rport = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); if (rport == NULL) { /* * TBD Error handling */ } return rport; } struct bfa_fcs_rport_s * bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t rnwwn) { struct bfa_fcs_rport_s *rport; rport = bfa_fcs_lport_get_rport_by_nwwn(port, rnwwn); if (rport == NULL) { /* * TBD Error handling */ } return rport; } /* * Remote port features (RPF) implementation. */ #define BFA_FCS_RPF_RETRIES (3) #define BFA_FCS_RPF_RETRY_TIMEOUT (1000) /* 1 sec (In millisecs) */ static void bfa_fcs_rpf_send_rpsc2(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced); static void bfa_fcs_rpf_rpsc2_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs); static void bfa_fcs_rpf_timeout(void *arg); static void bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event); static void bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event); static void bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event); static void bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event); static void bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event); static void bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event); static void bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) { struct bfa_fcs_rport_s *rport = rpf->rport; struct bfa_fcs_fabric_s *fabric = &rport->fcs->fabric; bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPFSM_EVENT_RPORT_ONLINE: /* Send RPSC2 to a Brocade fabric only. */ if ((!BFA_FCS_PID_IS_WKA(rport->pid)) && ((rport->port->fabric->lps->brcd_switch) || (bfa_fcs_fabric_get_switch_oui(fabric) == BFA_FCS_BRCD_SWITCH_OUI))) { bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); rpf->rpsc_retries = 0; bfa_fcs_rpf_send_rpsc2(rpf, NULL); } break; case RPFSM_EVENT_RPORT_OFFLINE: break; default: bfa_sm_fault(rport->fcs, event); } } static void bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) { struct bfa_fcs_rport_s *rport = rpf->rport; bfa_trc(rport->fcs, event); switch (event) { case RPFSM_EVENT_FCXP_SENT: bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc); break; case RPFSM_EVENT_RPORT_OFFLINE: bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rpf->fcxp_wqe); rpf->rpsc_retries = 0; break; default: bfa_sm_fault(rport->fcs, event); } } static void bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) { struct bfa_fcs_rport_s *rport = rpf->rport; bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPFSM_EVENT_RPSC_COMP: bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); /* Update speed info in f/w via BFA */ if (rpf->rpsc_speed != BFA_PORT_SPEED_UNKNOWN) bfa_rport_speed(rport->bfa_rport, rpf->rpsc_speed); else if (rpf->assigned_speed != BFA_PORT_SPEED_UNKNOWN) bfa_rport_speed(rport->bfa_rport, rpf->assigned_speed); break; case RPFSM_EVENT_RPSC_FAIL: /* RPSC not supported by rport */ bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); break; case RPFSM_EVENT_RPSC_ERROR: /* need to retry...delayed a bit. */ if (rpf->rpsc_retries++ < BFA_FCS_RPF_RETRIES) { bfa_timer_start(rport->fcs->bfa, &rpf->timer, bfa_fcs_rpf_timeout, rpf, BFA_FCS_RPF_RETRY_TIMEOUT); bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_retry); } else { bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); } break; case RPFSM_EVENT_RPORT_OFFLINE: bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); bfa_fcxp_discard(rpf->fcxp); rpf->rpsc_retries = 0; break; default: bfa_sm_fault(rport->fcs, event); } } static void bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) { struct bfa_fcs_rport_s *rport = rpf->rport; bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPFSM_EVENT_TIMEOUT: /* re-send the RPSC */ bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); bfa_fcs_rpf_send_rpsc2(rpf, NULL); break; case RPFSM_EVENT_RPORT_OFFLINE: bfa_timer_stop(&rpf->timer); bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); rpf->rpsc_retries = 0; break; default: bfa_sm_fault(rport->fcs, event); } } static void bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) { struct bfa_fcs_rport_s *rport = rpf->rport; bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPFSM_EVENT_RPORT_OFFLINE: bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); rpf->rpsc_retries = 0; break; default: bfa_sm_fault(rport->fcs, event); } } static void bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) { struct bfa_fcs_rport_s *rport = rpf->rport; bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->pid); bfa_trc(rport->fcs, event); switch (event) { case RPFSM_EVENT_RPORT_ONLINE: bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); bfa_fcs_rpf_send_rpsc2(rpf, NULL); break; case RPFSM_EVENT_RPORT_OFFLINE: break; default: bfa_sm_fault(rport->fcs, event); } } /* * Called when Rport is created. */ void bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport) { struct bfa_fcs_rpf_s *rpf = &rport->rpf; bfa_trc(rport->fcs, rport->pid); rpf->rport = rport; bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_uninit); } /* * Called when Rport becomes online */ void bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport) { bfa_trc(rport->fcs, rport->pid); if (__fcs_min_cfg(rport->port->fcs)) return; if (bfa_fcs_fabric_is_switched(rport->port->fabric)) bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_ONLINE); } /* * Called when Rport becomes offline */ void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport) { bfa_trc(rport->fcs, rport->pid); if (__fcs_min_cfg(rport->port->fcs)) return; rport->rpf.rpsc_speed = 0; bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_OFFLINE); } static void bfa_fcs_rpf_timeout(void *arg) { struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) arg; struct bfa_fcs_rport_s *rport = rpf->rport; bfa_trc(rport->fcs, rport->pid); bfa_sm_send_event(rpf, RPFSM_EVENT_TIMEOUT); } static void bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced) { struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *)rpf_cbarg; struct bfa_fcs_rport_s *rport = rpf->rport; struct bfa_fcs_lport_s *port = rport->port; struct fchs_s fchs; int len; struct bfa_fcxp_s *fcxp; bfa_trc(rport->fcs, rport->pwwn); fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rpf->fcxp_wqe, bfa_fcs_rpf_send_rpsc2, rpf, BFA_TRUE); return; } rpf->fcxp = fcxp; len = fc_rpsc2_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, bfa_fcs_lport_get_fcid(port), &rport->pid, 1); bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, bfa_fcs_rpf_rpsc2_response, rpf, FC_MAX_PDUSZ, FC_ELS_TOV); rport->stats.rpsc_sent++; bfa_sm_send_event(rpf, RPFSM_EVENT_FCXP_SENT); } static void bfa_fcs_rpf_rpsc2_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, bfa_status_t req_status, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs) { struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) cbarg; struct bfa_fcs_rport_s *rport = rpf->rport; struct fc_ls_rjt_s *ls_rjt; struct fc_rpsc2_acc_s *rpsc2_acc; u16 num_ents; bfa_trc(rport->fcs, req_status); if (req_status != BFA_STATUS_OK) { bfa_trc(rport->fcs, req_status); if (req_status == BFA_STATUS_ETIMER) rport->stats.rpsc_failed++; bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); return; } rpsc2_acc = (struct fc_rpsc2_acc_s *) BFA_FCXP_RSP_PLD(fcxp); if (rpsc2_acc->els_cmd == FC_ELS_ACC) { rport->stats.rpsc_accs++; num_ents = be16_to_cpu(rpsc2_acc->num_pids); bfa_trc(rport->fcs, num_ents); if (num_ents > 0) { WARN_ON(be32_to_cpu(rpsc2_acc->port_info[0].pid) != bfa_ntoh3b(rport->pid)); bfa_trc(rport->fcs, be32_to_cpu(rpsc2_acc->port_info[0].pid)); bfa_trc(rport->fcs, be16_to_cpu(rpsc2_acc->port_info[0].speed)); bfa_trc(rport->fcs, be16_to_cpu(rpsc2_acc->port_info[0].index)); bfa_trc(rport->fcs, rpsc2_acc->port_info[0].type); if (rpsc2_acc->port_info[0].speed == 0) { bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); return; } rpf->rpsc_speed = fc_rpsc_operspeed_to_bfa_speed( be16_to_cpu(rpsc2_acc->port_info[0].speed)); bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_COMP); } } else { ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); bfa_trc(rport->fcs, ls_rjt->reason_code); bfa_trc(rport->fcs, ls_rjt->reason_code_expl); rport->stats.rpsc_rejects++; if (ls_rjt->reason_code == FC_LS_RJT_RSN_CMD_NOT_SUPP) bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_FAIL); else bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); } }
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