RDMA/qedr: Parse vlan priority as sl

Parse the vlan priority from the vlan tag and configure it to the
WC's sl field.

Fixes: abd49676c7 ("qed: Add RoCE ll2 & GSI support")
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/qedr/qedr_cm.c

@@ -719,6 +719,8 @@ int qedr_gsi_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)
 		if (vlan_id) {
 			wc[i].wc_flags |= IB_WC_WITH_VLAN;
 			wc[i].vlan_id = vlan_id;
+			wc[i].sl = (qp->rqe_wr_id[qp->rq.cons].vlan &
+				    VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
 		}
 
 		qedr_inc_sw_cons(&qp->rq);