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| author | Vijaya Mohan Guvva <vmohan@brocade.com> | 2013-05-13 02:33:25 -0700 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-06-26 12:03:20 -0700 |
| commit | f2a0cc3ffd5ee123086b8e76522a85a937d89878 (patch) | |
| tree | cabf9ad8e4e0d0f522fd6e47ab33182249fb66c0 /drivers/scsi/bfa | |
| parent | e1aaab89dee184646f7001850e1fe6d55090a728 (diff) | |
| download | talos-obmc-linux-f2a0cc3ffd5ee123086b8e76522a85a937d89878.tar.gz talos-obmc-linux-f2a0cc3ffd5ee123086b8e76522a85a937d89878.zip | |
[SCSI] bfa: Fix FDISC timeout handling
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>
Diffstat (limited to 'drivers/scsi/bfa')
| -rw-r--r-- | drivers/scsi/bfa/bfa_fcs_lport.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c index 8773d5e10d30..2f61a5af3658 100644 --- a/drivers/scsi/bfa/bfa_fcs_lport.c +++ b/drivers/scsi/bfa/bfa_fcs_lport.c @@ -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: |
