qedr: Add LL2 RoCE interface

Add light L2 interface for RoCE.

Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/qedr/qedr.h b/drivers/infiniband/hw/qedr/qedr.h
index 775dbf1..0b404d8 100644
--- a/drivers/infiniband/hw/qedr/qedr.h
+++ b/drivers/infiniband/hw/qedr/qedr.h
@@ -147,7 +147,7 @@ struct qedr_dev {
 	u8			dp_level;
 	u8			num_hwfns;
 	uint			wq_multiplier;
-
+	u8			gsi_ll2_mac_address[ETH_ALEN];
 };
 
 #define QEDR_MAX_SQ_PBL			(0x8000)