diff options
| author | Hannes Reinecke <hare@suse.de> | 2016-08-05 14:55:02 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-08-19 04:34:40 +0200 |
| commit | 649eb8693857e9b9fca009fba4eb7e80f9f3a326 (patch) | |
| tree | 849b1bc378e1ae60ca8ef52f17aa7b6d623d9c05 | |
| parent | scsi: libfc: send LOGO for PLOGI failure (diff) | |
| download | linux-649eb8693857e9b9fca009fba4eb7e80f9f3a326.tar.xz linux-649eb8693857e9b9fca009fba4eb7e80f9f3a326.zip | |
scsi: libfc: reset exchange manager during LOGO handling
FC-LS mandates that we should invalidate all sequences before sending a
LOGO. And we should set the event to RPORT_EV_STOP when a LOGO request
has been received to signal that all exchanges are terminated.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Chad Dupuis <chad.dupuis@qlogic.com>
Tested-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/libfc/fc_rport.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index 6bfed0f643d5..97aeaddd600d 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -457,6 +457,9 @@ static void fc_rport_enter_delete(struct fc_rport_priv *rdata, */ static int fc_rport_logoff(struct fc_rport_priv *rdata) { + struct fc_lport *lport = rdata->local_port; + u32 port_id = rdata->ids.port_id; + mutex_lock(&rdata->rp_mutex); FC_RPORT_DBG(rdata, "Remove port\n"); @@ -466,6 +469,15 @@ static int fc_rport_logoff(struct fc_rport_priv *rdata) FC_RPORT_DBG(rdata, "Port in Delete state, not removing\n"); goto out; } + /* + * FC-LS states: + * To explicitly Logout, the initiating Nx_Port shall terminate + * other open Sequences that it initiated with the destination + * Nx_Port prior to performing Logout. + */ + lport->tt.exch_mgr_reset(lport, 0, port_id); + lport->tt.exch_mgr_reset(lport, port_id, 0); + fc_rport_enter_logo(rdata); /* @@ -1923,7 +1935,7 @@ static void fc_rport_recv_logo_req(struct fc_lport *lport, struct fc_frame *fp) FC_RPORT_DBG(rdata, "Received LOGO request while in state %s\n", fc_rport_state(rdata)); - fc_rport_enter_delete(rdata, RPORT_EV_LOGO); + fc_rport_enter_delete(rdata, RPORT_EV_STOP); mutex_unlock(&rdata->rp_mutex); kref_put(&rdata->kref, rdata->local_port->tt.rport_destroy); } else |