static void
bfa_fcs_itnim_sm_online(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
struct bfad_s *bfad = (struct bfad_s *)itnim->fcs->bfad;
char lpwwn_buf[BFA_STRING_32];
char rpwwn_buf[BFA_STRING_32];
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_hcb_offline);
bfa_fcb_itnim_offline(itnim->itnim_drv);
bfa_itnim_offline(itnim->bfa_itnim);
wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(itnim->rport->port));
wwn2str(rpwwn_buf, itnim->rport->pwwn);
if (bfa_fcs_lport_is_online(itnim->rport->port) == BFA_TRUE) {
BFA_LOG(KERN_ERR, bfad, bfa_log_level,
"Target (WWN = %s) connectivity lost for "
"initiator (WWN = %s)\n", rpwwn_buf, lpwwn_buf);
bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_DISCONNECT);
} else {
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Target (WWN = %s) offlined by initiator (WWN = %s)\n",
rpwwn_buf, lpwwn_buf);
bfa_fcs_itnim_aen_post(itnim, BFA_ITNIM_AEN_OFFLINE);
}
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_sm_fault(itnim->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 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;
}
/*
* !! fall through !!
*/
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);
}
}
