summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/bnx2fc/bnx2fc_hwi.c
diff options
context:
space:
mode:
authorBhanu Prakash Gollapudi <bprakash@broadcom.com>2011-07-26 14:51:40 -0700
committerJames Bottomley <JBottomley@Parallels.com>2011-07-27 15:38:12 +0400
commitb252f4c7c39cc43c1a34c68951f98d7391a1a103 (patch)
tree8c9106ae222a32b8b418b091a11f51a9fd851d7f /drivers/scsi/bnx2fc/bnx2fc_hwi.c
parentaea71a024914e8b5b8bed31256dae42195a0a207 (diff)
downloadtalos-op-linux-b252f4c7c39cc43c1a34c68951f98d7391a1a103.tar.gz
talos-op-linux-b252f4c7c39cc43c1a34c68951f98d7391a1a103.zip
[SCSI] bnx2fc: Enable REC & CONF support for the session
Based on PRLI response, identify if the target is FCP-2 (seq level error recovery) capable, and appropriately set the corresponding CONF, REC flags when offloading the session. Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bnx2fc/bnx2fc_hwi.c')
-rw-r--r--drivers/scsi/bnx2fc/bnx2fc_hwi.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
index ee1674b794b1..fa263b5902e1 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
@@ -279,6 +279,18 @@ int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
ofld_req3.flags |= (((rdata->sp_features & FC_SP_FT_SEQC) ? 1 : 0) <<
FCOE_KWQE_CONN_OFFLOAD3_B_CONT_INCR_SEQ_CNT_SHIFT);
+ /*
+ * Info from PRLI response, this info is used for sequence level error
+ * recovery support
+ */
+ if (tgt->dev_type == TYPE_TAPE) {
+ ofld_req3.flags |= 1 <<
+ FCOE_KWQE_CONN_OFFLOAD3_B_CONF_REQ_SHIFT;
+ ofld_req3.flags |= (((rdata->flags & FC_RP_FLAGS_REC_SUPPORTED)
+ ? 1 : 0) <<
+ FCOE_KWQE_CONN_OFFLOAD3_B_REC_VALID_SHIFT);
+ }
+
/* vlan flag */
ofld_req3.flags |= (interface->vlan_enabled <<
FCOE_KWQE_CONN_OFFLOAD3_B_VLAN_FLAG_SHIFT);
OpenPOWER on IntegriCloud