diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_fcs_rport.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_fcs_rport.c | 466 |
1 files changed, 344 insertions, 122 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs_rport.c b/drivers/scsi/bfa/bfa_fcs_rport.c index fe0463a1db04..cc43b2a58ce3 100644 --- a/drivers/scsi/bfa/bfa_fcs_rport.c +++ b/drivers/scsi/bfa/bfa_fcs_rport.c @@ -30,14 +30,22 @@ 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_online_action(struct bfa_fcs_rport_s *rport); -static void bfa_fcs_rport_offline_action(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); @@ -76,6 +84,7 @@ static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, 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); @@ -87,6 +96,8 @@ 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, @@ -123,6 +134,10 @@ 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); static struct bfa_sm_table_s rport_sm_table[] = { {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, @@ -130,6 +145,7 @@ static struct bfa_sm_table_s rport_sm_table[] = { {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}, @@ -167,8 +183,8 @@ bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event) break; case RPSM_EVENT_PLOGI_RCVD: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); - bfa_fcs_rport_send_plogiacc(rport, NULL); + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); + bfa_fcs_rport_fcs_online_action(rport); break; case RPSM_EVENT_PLOGI_COMP: @@ -252,8 +268,8 @@ bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, switch (event) { case RPSM_EVENT_FCXP_SENT: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); - bfa_fcs_rport_hal_online(rport); + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); + bfa_fcs_rport_fcs_online_action(rport); break; case RPSM_EVENT_DELETE: @@ -348,9 +364,9 @@ bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, break; case RPSM_EVENT_PLOGI_COMP: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); bfa_timer_stop(&rport->timer); - bfa_fcs_rport_hal_online(rport); + bfa_fcs_rport_fcs_online_action(rport); break; default: @@ -370,9 +386,9 @@ bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) switch (event) { case RPSM_EVENT_ACCEPTED: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); rport->plogi_retries = 0; - bfa_fcs_rport_hal_online(rport); + bfa_fcs_rport_fcs_online_action(rport); break; case RPSM_EVENT_LOGO_RCVD: @@ -397,6 +413,7 @@ bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) 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, @@ -443,13 +460,77 @@ bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) break; case RPSM_EVENT_PLOGI_COMP: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); bfa_fcxp_discard(rport->fcxp); - bfa_fcs_rport_hal_online(rport); + 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_SCN: + 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; } } @@ -468,41 +549,34 @@ bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, switch (event) { case RPSM_EVENT_HCB_ONLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); - bfa_fcs_rport_online_action(rport); + bfa_fcs_rport_hal_online_action(rport); break; - case RPSM_EVENT_PRLO_RCVD: 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_hcb_logorcv); - bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); + bfa_fcs_rport_fcs_offline_action(rport); break; + case RPSM_EVENT_SCN: case RPSM_EVENT_LOGO_IMP: case RPSM_EVENT_ADDRESS_CHANGE: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); - bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_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_hcb_offline); - bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); + 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_hcb_logosend); - bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); - break; - - case RPSM_EVENT_SCN: - /* - * @todo - * Ignore SCN - PLOGI just completed, FC-4 login should detect - * device failures. - */ + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); + bfa_fcs_rport_fcs_offline_action(rport); break; default: @@ -537,18 +611,18 @@ bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event) case RPSM_EVENT_LOGO_IMP: case RPSM_EVENT_ADDRESS_CHANGE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); - bfa_fcs_rport_offline_action(rport); + 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_offline_action(rport); + 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_offline_action(rport); + bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_PLOGI_COMP: @@ -579,7 +653,7 @@ bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, 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_offline_action(rport); + bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_SCN: @@ -592,24 +666,16 @@ bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, 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_offline_action(rport); + bfa_fcs_rport_hal_offline_action(rport); 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_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_offline_action(rport); + bfa_fcs_rport_hal_offline_action(rport); break; default: @@ -642,14 +708,14 @@ bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) bfa_fcs_rport_send_nsdisc(rport, NULL); } else { bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); - bfa_fcs_rport_offline_action(rport); + 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_offline_action(rport); + bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_SCN: @@ -659,7 +725,7 @@ bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) case RPSM_EVENT_PRLO_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); bfa_fcxp_discard(rport->fcxp); - bfa_fcs_rport_offline_action(rport); + bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_PLOGI_COMP: @@ -668,7 +734,7 @@ bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) case RPSM_EVENT_LOGO_IMP: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); bfa_fcxp_discard(rport->fcxp); - bfa_fcs_rport_offline_action(rport); + bfa_fcs_rport_hal_offline_action(rport); break; default: @@ -696,21 +762,21 @@ bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, 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_offline_action(rport); + 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_offline_action(rport); + 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_offline_action(rport); + bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_SCN: @@ -719,7 +785,7 @@ bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, 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_offline_action(rport); + bfa_fcs_rport_hal_offline_action(rport); break; default: @@ -756,13 +822,13 @@ bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event) case RPSM_EVENT_FAILED: case RPSM_EVENT_ADDRESS_CHANGE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); - bfa_fcs_rport_offline_action(rport); + 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_offline_action(rport); + bfa_fcs_rport_hal_offline_action(rport); break; case RPSM_EVENT_SCN: @@ -774,14 +840,14 @@ bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event) case RPSM_EVENT_LOGO_IMP: bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); bfa_fcxp_discard(rport->fcxp); - bfa_fcs_rport_offline_action(rport); + 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_offline_action(rport); + bfa_fcs_rport_hal_offline_action(rport); break; default: @@ -803,13 +869,19 @@ bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, switch (event) { case RPSM_EVENT_FC4_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); - bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); + bfa_fcs_rport_hal_offline(rport); break; case RPSM_EVENT_DELETE: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); + 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_HCB_ONLINE: case RPSM_EVENT_LOGO_RCVD: case RPSM_EVENT_PRLO_RCVD: case RPSM_EVENT_ADDRESS_CHANGE: @@ -835,7 +907,20 @@ bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, switch (event) { case RPSM_EVENT_FC4_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); - bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); + bfa_fcs_rport_hal_offline(rport); + break; + + case RPSM_EVENT_LOGO_RCVD: + bfa_fcs_rport_send_logo_acc(rport); + 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: @@ -857,13 +942,23 @@ bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, switch (event) { case RPSM_EVENT_FC4_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); - bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); + bfa_fcs_rport_hal_offline(rport); break; - case RPSM_EVENT_SCN: - case RPSM_EVENT_LOGO_IMP: 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_HCB_ONLINE: + case RPSM_EVENT_SCN: + case RPSM_EVENT_LOGO_IMP: case RPSM_EVENT_ADDRESS_CHANGE: /* * rport is already going offline. @@ -907,24 +1002,23 @@ bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, */ case RPSM_EVENT_ADDRESS_CHANGE: - if (bfa_fcs_lport_is_online(rport->port)) { - 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 { - bfa_sm_set_state(rport, - bfa_fcs_rport_sm_plogi_sending); - rport->plogi_retries = 0; - bfa_fcs_rport_send_plogi(rport, NULL); - } - } else { + 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 { + bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); + rport->plogi_retries = 0; + bfa_fcs_rport_send_plogi(rport, NULL); } break; @@ -1001,7 +1095,11 @@ bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, break; case RPSM_EVENT_DELETE: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); + 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: @@ -1040,7 +1138,14 @@ bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, break; case RPSM_EVENT_LOGO_RCVD: + bfa_fcs_rport_send_logo_acc(rport); 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_ADDRESS_CHANGE: break; @@ -1072,7 +1177,11 @@ bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, break; case RPSM_EVENT_LOGO_RCVD: + bfa_fcs_rport_send_logo_acc(rport); 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); @@ -1126,9 +1235,9 @@ bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) break; case RPSM_EVENT_PLOGI_COMP: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); bfa_timer_stop(&rport->timer); - bfa_fcs_rport_hal_online(rport); + bfa_fcs_rport_fcs_online_action(rport); break; case RPSM_EVENT_PLOGI_SEND: @@ -1190,9 +1299,9 @@ bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, break; case RPSM_EVENT_PLOGI_COMP: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + 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_hal_online(rport); + bfa_fcs_rport_fcs_online_action(rport); break; default: @@ -1254,9 +1363,9 @@ bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, break; case RPSM_EVENT_PLOGI_COMP: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); bfa_timer_stop(&rport->timer); - bfa_fcs_rport_hal_online(rport); + bfa_fcs_rport_fcs_online_action(rport); break; default: @@ -1296,6 +1405,7 @@ bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *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, @@ -1343,9 +1453,9 @@ bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, break; case RPSM_EVENT_PLOGI_COMP: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); + bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); bfa_fcxp_discard(rport->fcxp); - bfa_fcs_rport_hal_online(rport); + bfa_fcs_rport_fcs_online_action(rport); break; default: @@ -1353,7 +1463,63 @@ bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, } } +/* + * 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 @@ -1370,10 +1536,11 @@ bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(rport->fcs, rport->pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + 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_fcs_rport_send_plogi, rport, BFA_TRUE); return; } rport->fcxp = fcxp; @@ -1490,10 +1657,11 @@ bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->reply_oxid); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + 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_fcs_rport_send_plogiacc, rport, BFA_FALSE); return; } rport->fcxp = fcxp; @@ -1522,10 +1690,11 @@ bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(rport->fcs, rport->pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + 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_fcs_rport_send_adisc, rport, BFA_TRUE); return; } rport->fcxp = fcxp; @@ -1585,10 +1754,11 @@ bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(rport->fcs, rport->pid); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + 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_fcs_rport_send_nsdisc, rport, BFA_TRUE); return; } rport->fcxp = fcxp; @@ -1741,10 +1911,11 @@ bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) port = rport->port; - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + 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_fcs_rport_send_logo, rport, BFA_FALSE); return; } rport->fcxp = fcxp; @@ -1778,7 +1949,7 @@ bfa_fcs_rport_send_logo_acc(void *rport_cbarg) port = rport->port; - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; @@ -1849,7 +2020,7 @@ bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, bfa_fcs_itnim_is_initiator(rport->itnim); } - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; @@ -1886,7 +2057,7 @@ bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed); - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; @@ -1920,7 +2091,7 @@ bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, */ if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) { - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; @@ -1957,6 +2128,15 @@ bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport) 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) { @@ -1967,6 +2147,11 @@ bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid) /* * 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); @@ -1981,16 +2166,9 @@ bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid) rport->rp_drv = rport_drv; rport->pid = rpid; rport->pwwn = pwwn; + rport->old_pid = 0; - /* - * allocate BFA rport - */ - rport->bfa_rport = bfa_rport_create(port->fcs->bfa, rport); - if (!rport->bfa_rport) { - bfa_trc(fcs, rpid); - kfree(rport_drv); - return NULL; - } + rport->bfa_rport = NULL; /* * allocate FC-4s @@ -2001,14 +2179,13 @@ bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid) rport->itnim = bfa_fcs_itnim_create(rport); if (!rport->itnim) { bfa_trc(fcs, rpid); - bfa_sm_send_event(rport->bfa_rport, - BFA_RPORT_SM_DELETE); 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); @@ -2024,20 +2201,28 @@ 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); } - bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_DELETE); + 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); } @@ -2071,7 +2256,18 @@ bfa_fcs_rport_aen_post(struct bfa_fcs_rport_s *rport, } static void -bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport) +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; @@ -2086,7 +2282,7 @@ bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport) } if (bfa_fcs_lport_is_initiator(port)) { - bfa_fcs_itnim_rport_online(rport->itnim); + bfa_fcs_itnim_brp_online(rport->itnim); if (!BFA_FCS_PID_IS_WKA(rport->pid)) bfa_fcs_rpf_rport_online(rport); }; @@ -2102,15 +2298,28 @@ bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport) } static void -bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport) +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++; - rport->plogi_pending = BFA_FALSE; wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); wwn2str(rpwwn_buf, rport->pwwn); @@ -2340,7 +2549,6 @@ bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) bfa_sm_send_event(rport, RPSM_EVENT_SCN); } - /* * brief * This routine BFA callback for bfa_rport_online() call. @@ -2508,7 +2716,7 @@ bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport) bfa_trc(rport->fcs, rport->pid); - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; len = fc_prlo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), @@ -2534,7 +2742,7 @@ bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, bfa_trc(rport->fcs, rx_fchs->s_id); - fcxp = bfa_fcs_fcxp_alloc(rport->fcs); + fcxp = bfa_fcs_fcxp_alloc(rport->fcs, BFA_FALSE); if (!fcxp) return; @@ -2582,6 +2790,17 @@ bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 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) @@ -2605,9 +2824,11 @@ bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, rport_attr->curr_speed = rport->rpf.rpsc_speed; rport_attr->assigned_speed = rport->rpf.assigned_speed; - 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); + 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; @@ -2940,10 +3161,11 @@ bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(rport->fcs, rport->pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + 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_fcs_rpf_send_rpsc2, rpf, BFA_TRUE); return; } rpf->fcxp = fcxp; |
