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authorVijaya Mohan Guvva <vmohan@brocade.com>2013-11-21 01:37:45 -0800
committerJames Bottomley <JBottomley@Parallels.com>2013-12-19 07:39:05 -0800
commit9781851f47a7fba2013f879f13cfdadfcdc879dc (patch)
tree74f6a828fe2d92f27033772e8808f1eb4477a761 /drivers/scsi/bfa
parentda3e0bee18f7f36a63537219e18a03557a21a41b (diff)
downloadop-kernel-dev-9781851f47a7fba2013f879f13cfdadfcdc879dc.zip
op-kernel-dev-9781851f47a7fba2013f879f13cfdadfcdc879dc.tar.gz
[SCSI] bfa: LUN discovery issue in direct attach mode
In direct attach mode, if port features like QoS/Trunk/FEC/CR are enabled, driver can receive PLOGI from the target before firmware notifies lport online to the driver. In case the lport is not yet online and a PLOGI is received, send a reject to the peer port, instead of dropping it on the floor. 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.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c
index f5e4e61..ff75ef8 100644
--- a/drivers/scsi/bfa/bfa_fcs_lport.c
+++ b/drivers/scsi/bfa/bfa_fcs_lport.c
@@ -773,7 +773,20 @@ bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport,
bfa_trc(lport->fcs, fchs->type);
if (!bfa_fcs_lport_is_online(lport)) {
- bfa_stats(lport, uf_recv_drops);
+ /*
+ * In direct attach topology, it is possible to get a PLOGI
+ * before the lport is online due to port feature
+ * (QoS/Trunk/FEC/CR), so send a rjt
+ */
+ if ((fchs->type == FC_TYPE_ELS) &&
+ (els_cmd->els_code == FC_ELS_PLOGI)) {
+ bfa_fcs_lport_send_ls_rjt(lport, fchs,
+ FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD,
+ FC_LS_RJT_EXP_NO_ADDL_INFO);
+ bfa_stats(lport, plogi_rcvd);
+ } else
+ bfa_stats(lport, uf_recv_drops);
+
return;
}
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