/*
* 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);
}
}
static void
bfa_fcs_port_ns_sm_rspn_id(struct bfa_fcs_port_ns_s *ns,
enum vport_ns_event event)
{
bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
bfa_trc(ns->port->fcs, event);
switch (event) {
case NSSM_EVENT_RSP_ERROR:
/*
* Start timer for a delayed retry
*/
bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rspn_id_retry);
ns->port->stats.ns_retries++;
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer,
bfa_fcs_port_ns_timeout, ns,
BFA_FCS_RETRY_TIMEOUT);
break;
case NSSM_EVENT_RSP_OK:
bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_rft_id);
bfa_fcs_port_ns_send_rft_id(ns, NULL);
break;
case NSSM_EVENT_PORT_OFFLINE:
bfa_fcxp_discard(ns->fcxp);
bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_port_ms_sm_gfn(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_RSP_ERROR:
/*
* Start timer for a delayed retry
*/
if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_retry);
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
&ms->timer, bfa_fcs_port_ms_timeout, ms,
BFA_FCS_RETRY_TIMEOUT);
} else {
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online);
ms->retry_cnt = 0;
}
break;
case MSSM_EVENT_RSP_OK:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
bfa_fcxp_discard(ms->fcxp);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_port_ns_sm_gid_ft(struct bfa_fcs_port_ns_s *ns,
enum vport_ns_event event)
{
bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
bfa_trc(ns->port->fcs, event);
switch (event) {
case NSSM_EVENT_RSP_OK:
bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_online);
break;
case NSSM_EVENT_RSP_ERROR:
/*
* TBD: for certain reject codes, we don't need to retry
*/
/*
* Start timer for a delayed retry
*/
bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_gid_ft_retry);
ns->port->stats.ns_retries++;
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer,
bfa_fcs_port_ns_timeout, ns,
BFA_FCS_RETRY_TIMEOUT);
break;
case NSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
bfa_fcxp_discard(ns->fcxp);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcs_port_ns_sm_rff_id(struct bfa_fcs_port_ns_s *ns,
enum vport_ns_event event)
{
bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
bfa_trc(ns->port->fcs, event);
switch (event) {
case NSSM_EVENT_RSP_OK:
/*
* If min cfg mode is enabled, we donot initiate rport
* discovery with the fabric. Instead, we will retrieve the
* boot targets from HAL/FW.
*/
if (__fcs_min_cfg(ns->port->fcs)) {
bfa_fcs_port_ns_boot_target_disc(ns->port);
bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_online);
return;
}
/*
* If the port role is Initiator Mode issue NS query.
* If it is Target Mode, skip this and go to online.
*/
if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_sending_gid_ft);
bfa_fcs_port_ns_send_gid_ft(ns, NULL);
} else if (BFA_FCS_VPORT_IS_TARGET_MODE(ns->port)) {
bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_online);
}
/*
* kick off mgmt srvr state machine
*/
bfa_fcs_port_ms_online(ns->port);
break;
case NSSM_EVENT_RSP_ERROR:
/*
* Start timer for a delayed retry
*/
bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_rff_id_retry);
ns->port->stats.ns_retries++;
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), &ns->timer,
bfa_fcs_port_ns_timeout, ns,
BFA_FCS_RETRY_TIMEOUT);
break;
case NSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ns, bfa_fcs_port_ns_sm_offline);
bfa_fcxp_discard(ns->fcxp);
break;
default:
bfa_assert(0);
}
}
/*
* 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);
}
}
static void
bfa_fcs_itnim_sm_prli(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_RSP_OK:
if (itnim->rport->scsi_function == BFA_RPORT_INITIATOR)
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator);
else
bfa_sm_set_state(itnim,
bfa_fcs_itnim_sm_hal_rport_online);
bfa_sm_send_event(itnim->rport, RPSM_EVENT_FC4_FCS_ONLINE);
break;
case BFA_FCS_ITNIM_SM_RSP_ERROR:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli_retry);
bfa_timer_start(itnim->fcs->bfa, &itnim->timer,
bfa_fcs_itnim_timeout, itnim,
BFA_FCS_RETRY_TIMEOUT);
break;
case BFA_FCS_ITNIM_SM_RSP_NOT_SUPP:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
break;
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcxp_discard(itnim->fcxp);
bfa_sm_send_event(itnim->rport, RPSM_EVENT_FC4_OFFLINE);
break;
case BFA_FCS_ITNIM_SM_INITIATOR:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator);
bfa_fcxp_discard(itnim->fcxp);
bfa_sm_send_event(itnim->rport, RPSM_EVENT_FC4_FCS_ONLINE);
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcxp_discard(itnim->fcxp);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_sm_fault(itnim->fcs, event);
}
}
static void
bfa_iocfc_stats_query(struct bfa_s *bfa)
{
struct bfa_iocfc_s *iocfc = &bfa->iocfc;
struct bfi_iocfc_stats_req_s stats_req;
bfa_timer_start(bfa, &iocfc->stats_timer,
bfa_iocfc_stats_timeout, bfa, BFA_IOCFC_TOV);
bfi_h2i_set(stats_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_GET_STATS_REQ,
bfa_lpuid(bfa));
bfa_ioc_mbox_send(&bfa->ioc, &stats_req,
sizeof(struct bfi_iocfc_stats_req_s));
}
static void
bfa_fcs_port_ms_sm_plogi(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_RSP_ERROR:
/*
* Start timer for a delayed retry
*/
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_retry);
ms->port->stats.ms_retries++;
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), &ms->timer,
bfa_fcs_port_ms_timeout, ms,
BFA_FCS_RETRY_TIMEOUT);
break;
case MSSM_EVENT_RSP_OK:
/*
* since plogi is done, now invoke MS related sub-modules
*/
bfa_fcs_port_fdmi_online(ms);
/**
* if this is a Vport, go to online state.
*/
if (ms->port->vport) {
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online);
break;
}
/*
* For a base port we need to get the
* switch's IP address.
*/
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_sending);
bfa_fcs_port_ms_send_gmal(ms, NULL);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
bfa_fcxp_discard(ms->fcxp);
break;
default:
bfa_sm_fault(ms->port->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);
if (rpf->rpsc_speed != BFA_PPORT_SPEED_UNKNOWN) {
bfa_rport_speed(rport->bfa_rport, rpf->rpsc_speed);
} else if (rpf->assigned_speed != BFA_PPORT_SPEED_UNKNOWN) {
bfa_rport_speed(rport->bfa_rport, rpf->assigned_speed);
}
break;
case RPFSM_EVENT_RPSC_FAIL:
bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online);
break;
case RPFSM_EVENT_RPSC_ERROR:
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_assert(0);
}
}
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_PPORT_SPEED_UNKNOWN)
bfa_rport_speed(rport->bfa_rport, rpf->rpsc_speed);
else if (rpf->assigned_speed != BFA_PPORT_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_port_fdmi_sm_rhba(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case FDMISM_EVENT_RSP_ERROR:
/*
* if max retries have not been reached, start timer for a
* delayed retry
*/
if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rhba_retry);
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
&fdmi->timer, bfa_fcs_port_fdmi_timeout,
fdmi, BFA_FCS_RETRY_TIMEOUT);
} else {
/*
* set state to offline
*/
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
}
break;
case FDMISM_EVENT_RSP_OK:
/*
* Initiate Register Port Attributes
*/
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_sending_rpa);
fdmi->retry_cnt = 0;
bfa_fcs_port_fdmi_send_rpa(fdmi, NULL);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_fcxp_discard(fdmi->fcxp);
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_itnim_sm_prli(struct bfa_fcs_itnim_s *itnim,
enum bfa_fcs_itnim_event event)
{
bfa_trc(itnim->fcs, itnim->rport->pwwn);
bfa_trc(itnim->fcs, event);
switch (event) {
case BFA_FCS_ITNIM_SM_RSP_OK:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_hcb_online);
bfa_itnim_online(itnim->bfa_itnim, itnim->seq_rec);
break;
case BFA_FCS_ITNIM_SM_RSP_ERROR:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_prli_retry);
bfa_timer_start(itnim->fcs->bfa, &itnim->timer,
bfa_fcs_itnim_timeout, itnim,
BFA_FCS_RETRY_TIMEOUT);
break;
case BFA_FCS_ITNIM_SM_OFFLINE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcxp_discard(itnim->fcxp);
bfa_fcs_rport_itnim_ack(itnim->rport);
break;
case BFA_FCS_ITNIM_SM_INITIATOR:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_initiator);
/*
* dont discard fcxp. accept will reach same state
*/
break;
case BFA_FCS_ITNIM_SM_DELETE:
bfa_sm_set_state(itnim, bfa_fcs_itnim_sm_offline);
bfa_fcxp_discard(itnim->fcxp);
bfa_fcs_itnim_free(itnim);
break;
default:
bfa_assert(0);
}
}
/**
* FDISC is sent and awaiting reply from fabric.
*/
static void
bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
enum bfa_fcs_vport_event event)
{
bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
bfa_trc(__vport_fcs(vport), event);
switch (event) {
case BFA_FCS_VPORT_SM_DELETE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
bfa_lps_discard(vport->lps);
bfa_fcs_vport_do_logo(vport);
break;
case BFA_FCS_VPORT_SM_OFFLINE:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
bfa_lps_discard(vport->lps);
break;
case BFA_FCS_VPORT_SM_RSP_OK:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
bfa_fcs_port_online(&vport->lport);
break;
case BFA_FCS_VPORT_SM_RSP_ERROR:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
bfa_timer_start(__vport_bfa(vport), &vport->timer,
bfa_fcs_vport_timeout, vport,
BFA_FCS_RETRY_TIMEOUT);
break;
case BFA_FCS_VPORT_SM_RSP_FAILED:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
break;
case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
break;
default:
bfa_assert(0);
}
}
/**
* Reset port statistics (FCQoS or FCoE).
*/
bfa_status_t
bfa_fcport_clear_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
if (fcport->stats_busy) {
bfa_trc(bfa, fcport->stats_busy);
return BFA_STATUS_DEVBUSY;
}
fcport->stats_busy = BFA_TRUE;
fcport->stats_cbfn = cbfn;
fcport->stats_cbarg = cbarg;
bfa_fcport_send_stats_clear(fcport);
bfa_timer_start(bfa, &fcport->timer, bfa_fcport_stats_clr_timeout,
fcport, BFA_FCPORT_STATS_TOV);
return BFA_STATUS_OK;
}
bfa_status_t
bfa_pport_clear_qos_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
if (port->stats_busy) {
bfa_trc(bfa, port->stats_busy);
return (BFA_STATUS_DEVBUSY);
}
port->stats_busy = BFA_TRUE;
port->stats_cbfn = cbfn;
port->stats_cbarg = cbarg;
bfa_port_qos_stats_clear(port);
bfa_timer_start(bfa, &port->timer, bfa_port_stats_clr_timeout, port,
BFA_PORT_STATS_TOV);
return (BFA_STATUS_OK);
}
/**
* Fetch port attributes.
*/
bfa_status_t
bfa_pport_get_stats(struct bfa_s *bfa, union bfa_pport_stats_u *stats,
bfa_cb_pport_t cbfn, void *cbarg)
{
struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
if (port->stats_busy) {
bfa_trc(bfa, port->stats_busy);
return (BFA_STATUS_DEVBUSY);
}
port->stats_busy = BFA_TRUE;
port->stats_ret = stats;
port->stats_cbfn = cbfn;
port->stats_cbarg = cbarg;
bfa_port_stats_query(port);
bfa_timer_start(bfa, &port->timer, bfa_port_stats_timeout, port,
BFA_PORT_STATS_TOV);
return (BFA_STATUS_OK);
}
/*
* 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);
}
}
/*
* 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);
}
}
/*
* 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);
/*
* !! fall through !!
*/
case RPSM_EVENT_PRLO_RCVD:
if (rport->prlo == BFA_TRUE)
bfa_fcs_rport_send_prlo_acc(rport);
bfa_fcxp_discard(rport->fcxp);
/*
* !! fall through !!
*/
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);
}
}
