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[SCSI] bfa: Fix FDISC timeout handling

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Retry FDISC a max of 6 times. Introduce new events to handle vport
login fails due to max logins to fabric/switch.

Signed-off-by: Anil Gurumurthy <agurumur@brocade.com>
Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Vijaya Mohan Guvva 2013-05-13 02:33:25 -07:00 committed by James Bottomley
parent e1aaab89de
commit f2a0cc3ffd
1 changed files with 17 additions and 2 deletions
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19
drivers/scsi/bfa/bfa_fcs_lport.c
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@ -5988,6 +5988,7 @@ enum bfa_fcs_vport_event {
BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error*/
BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */
BFA_FCS_VPORT_SM_STOPCOMP = 14, /* vport delete completion */
BFA_FCS_VPORT_SM_FABRIC_MAX = 15, /* max vports on fabric */
};
static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
@ -6173,6 +6174,7 @@ bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
break;
case BFA_FCS_VPORT_SM_RSP_FAILED:
case BFA_FCS_VPORT_SM_FABRIC_MAX:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
break;
@ -6243,6 +6245,7 @@ bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
case BFA_FCS_VPORT_SM_OFFLINE:
case BFA_FCS_VPORT_SM_RSP_ERROR:
case BFA_FCS_VPORT_SM_RSP_FAILED:
case BFA_FCS_VPORT_SM_FABRIC_MAX:
case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
@ -6528,7 +6531,7 @@ bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
else {
bfa_fcs_vport_aen_post(&vport->lport,
BFA_LPORT_AEN_NPIV_FABRIC_MAX);
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_FABRIC_MAX);
}
break;
@ -6914,7 +6917,19 @@ bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
break;
}
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
else
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
break;
case BFA_STATUS_ETIMER:
vport->vport_stats.fdisc_timeouts++;
if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
else
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
break;
case BFA_STATUS_FABRIC_RJT: