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| author |   Hannes Reinecke <hare@suse.de> | 2016-10-13 15:10:37 +0200 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2016-11-08 17:29:51 -0500 |
| commit | 57d3ec7e468bb6659d9a461294d8747906fb7231 (patch) | |
| tree | 6a5a50f847bec5330786342e3ba1fd58b7fe25a3 /drivers/scsi/libfc/fc_rport.c | |
| parent | scsi: libfc: Revert "[SCSI] libfc: use offload EM instance again instead jumping to next EM" (diff) | |
| download | linux-dev-57d3ec7e468bb6659d9a461294d8747906fb7231.tar.xz linux-dev-57d3ec7e468bb6659d9a461294d8747906fb7231.zip | |
scsi: libfc: additional debugging messages
Signed-off-by: Hannes Reinecke <hare@suse.com>
Acked-by: Johannes Thumshirn <jth@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/libfc/fc_rport.c')
| -rw-r--r-- | drivers/scsi/libfc/fc_rport.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index 4b9bb6dd4004..bcd1cd3c5285 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -287,8 +287,10 @@ static void fc_rport_work(struct work_struct *work) kref_get(&rdata->kref); mutex_unlock(&rdata->rp_mutex); - if (!rport) + if (!rport) { + FC_RPORT_DBG(rdata, "No rport!\n"); rport = fc_remote_port_add(lport->host, 0, &ids); + } if (!rport) { FC_RPORT_DBG(rdata, "Failed to add the rport\n"); lport->tt.rport_logoff(rdata); @@ -389,8 +391,10 @@ static void fc_rport_work(struct work_struct *work) * Re-open for events. Reissue READY event if ready. */ rdata->event = RPORT_EV_NONE; - if (rdata->rp_state == RPORT_ST_READY) + if (rdata->rp_state == RPORT_ST_READY) { + FC_RPORT_DBG(rdata, "work reopen\n"); fc_rport_enter_ready(rdata); + } mutex_unlock(&rdata->rp_mutex); } break; @@ -568,6 +572,7 @@ static void fc_rport_timeout(struct work_struct *work) struct fc_lport *lport = rdata->local_port; mutex_lock(&rdata->rp_mutex); + FC_RPORT_DBG(rdata, "Port timeout, state %s\n", fc_rport_state(rdata)); switch (rdata->rp_state) { case RPORT_ST_FLOGI: @@ -1095,6 +1100,7 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, struct fc_els_spp spp; } *pp; struct fc_els_spp temp_spp; + struct fc_els_ls_rjt *rjt; struct fc4_prov *prov; u32 roles = FC_RPORT_ROLE_UNKNOWN; u32 fcp_parm = 0; @@ -1167,8 +1173,10 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, fc_rport_enter_rtv(rdata); } else { - FC_RPORT_DBG(rdata, "Bad ELS response for PRLI command\n"); - fc_rport_error_retry(rdata, fp); + rjt = fc_frame_payload_get(fp, sizeof(*rjt)); + FC_RPORT_DBG(rdata, "PRLI ELS rejected, reason %x expl %x\n", + rjt->er_reason, rjt->er_explan); + fc_rport_error_retry(rdata, NULL); } out: @@ -1602,8 +1610,12 @@ static void fc_rport_recv_els_req(struct fc_lport *lport, struct fc_frame *fp) struct fc_seq_els_data els_data; rdata = lport->tt.rport_lookup(lport, fc_frame_sid(fp)); - if (!rdata) + if (!rdata) { + FC_RPORT_ID_DBG(lport, fc_frame_sid(fp), + "Received ELS 0x%02x from non-logged-in port\n", + fc_frame_payload_op(fp)); goto reject; + } mutex_lock(&rdata->rp_mutex); @@ -1614,6 +1626,9 @@ static void fc_rport_recv_els_req(struct fc_lport *lport, struct fc_frame *fp) case RPORT_ST_ADISC: break; default: + FC_RPORT_DBG(rdata, + "Reject ELS 0x%02x while in state %s\n", + fc_frame_payload_op(fp), fc_rport_state(rdata)); mutex_unlock(&rdata->rp_mutex); kref_put(&rdata->kref, lport->tt.rport_destroy); goto reject; |