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path: root/drivers/scsi/bfa/bfa_fcs_rport.c
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Diffstat (limited to 'drivers/scsi/bfa/bfa_fcs_rport.c')
-rw-r--r--drivers/scsi/bfa/bfa_fcs_rport.c121
1 files changed, 82 insertions, 39 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs_rport.c b/drivers/scsi/bfa/bfa_fcs_rport.c
index caaee6f06937..2c514458a6b4 100644
--- a/drivers/scsi/bfa/bfa_fcs_rport.c
+++ b/drivers/scsi/bfa/bfa_fcs_rport.c
@@ -262,6 +262,7 @@ bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport,
break;
case RPSM_EVENT_PLOGI_RCVD:
+ case RPSM_EVENT_PLOGI_COMP:
case RPSM_EVENT_SCN:
/*
* Ignore, SCN is possibly online notification.
@@ -470,6 +471,7 @@ bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport,
break;
case RPSM_EVENT_PRLO_RCVD:
+ case RPSM_EVENT_PLOGI_COMP:
break;
case RPSM_EVENT_LOGO_RCVD:
@@ -484,9 +486,9 @@ bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport,
break;
case RPSM_EVENT_PLOGI_RCVD:
- bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
+ 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_fcs_rport_send_plogiacc(rport, NULL);
break;
case RPSM_EVENT_DELETE:
@@ -891,6 +893,18 @@ bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
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)) {
if (bfa_fcs_fabric_is_switched(rport->port->fabric)) {
@@ -921,6 +935,8 @@ bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
case RPSM_EVENT_SCN:
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
+ case RPSM_EVENT_PLOGI_RCVD:
+ case RPSM_EVENT_LOGO_IMP:
/*
* Ignore, already offline.
*/
@@ -957,10 +973,18 @@ bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport,
*/
if (bfa_fcs_lport_is_online(rport->port) &&
(!BFA_FCS_PID_IS_WKA(rport->pid))) {
- bfa_sm_set_state(rport,
- bfa_fcs_rport_sm_nsdisc_sending);
- rport->ns_retries = 0;
- bfa_fcs_rport_send_nsdisc(rport, NULL);
+ 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
@@ -1356,7 +1380,8 @@ bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
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_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,
@@ -1476,7 +1501,8 @@ bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
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_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);
@@ -2024,6 +2050,11 @@ bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport)
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_rport_online(rport->itnim);
if (!BFA_FCS_PID_IS_WKA(rport->pid))
@@ -2047,6 +2078,7 @@ bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport)
char rpwwn_buf[BFA_STRING_32];
rport->stats.offlines++;
+ rport->plogi_pending = BFA_FALSE;
wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
wwn2str(rpwwn_buf, rport->pwwn);
@@ -2120,7 +2152,7 @@ bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi)
port->fabric->bb_credit = be16_to_cpu(plogi->csp.bbcred);
bfa_fcport_set_tx_bbcredit(port->fcs->bfa,
- port->fabric->bb_credit);
+ port->fabric->bb_credit, 0);
}
}
@@ -2233,22 +2265,6 @@ bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, struct fchs_s *fchs,
bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD);
}
-static int
-wwn_compare(wwn_t wwn1, wwn_t wwn2)
-{
- u8 *b1 = (u8 *) &wwn1;
- u8 *b2 = (u8 *) &wwn2;
- int i;
-
- for (i = 0; i < sizeof(wwn_t); i++) {
- if (b1[i] < b2[i])
- return -1;
- if (b1[i] > b2[i])
- return 1;
- }
- return 0;
-}
-
/*
* Called by bport/vport to handle PLOGI received from an existing
* remote port.
@@ -2266,19 +2282,8 @@ bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs,
rport->reply_oxid = rx_fchs->ox_id;
bfa_trc(rport->fcs, rport->reply_oxid);
- /*
- * In Switched fabric topology,
- * PLOGI to each other. If our pwwn is smaller, ignore it,
- * if it is not a well known address.
- * If the link topology is N2N,
- * this Plogi should be accepted.
- */
- if ((wwn_compare(rport->port->port_cfg.pwwn, rport->pwwn) == -1) &&
- (bfa_fcs_fabric_is_switched(rport->port->fabric)) &&
- (!BFA_FCS_PID_IS_WKA(rport->pid))) {
- bfa_trc(rport->fcs, rport->pid);
- return;
- }
+ 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);
@@ -2531,7 +2536,45 @@ bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id)
bfa_sm_send_event(rport, RPSM_EVENT_PRLO_RCVD);
}
-
+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;
+
+ 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;
+
+ 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 (rport_speed < bfa_fcs_lport_get_rport_max_speed(port))
+ rport_attr->trl_enforced = BFA_TRUE;
+ }
+}
/*
* Remote port implementation.