IB/core: Rename rdma_addr_find_dmac_by_grh

rdma_addr_find_dmac_by_grh resolves dmac, vlan_id and if_index and
downsteram patch will also add hop_limit as an output parameter,
thus we rename it to rdma_addr_find_l2_eth_by_grh.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 791cc98..af1d040 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -541,8 +541,9 @@
 	complete(&((struct resolve_cb_context *)context)->comp);
 }
 
-int rdma_addr_find_dmac_by_grh(const union ib_gid *sgid, const union ib_gid *dgid,
-			       u8 *dmac, u16 *vlan_id, int *if_index)
+int rdma_addr_find_l2_eth_by_grh(const union ib_gid *sgid,
+				 const union ib_gid *dgid,
+				 u8 *dmac, u16 *vlan_id, int *if_index)
 {
 	int ret = 0;
 	struct rdma_dev_addr dev_addr;
@@ -584,7 +585,7 @@
 	dev_put(dev);
 	return ret;
 }
-EXPORT_SYMBOL(rdma_addr_find_dmac_by_grh);
+EXPORT_SYMBOL(rdma_addr_find_l2_eth_by_grh);
 
 int rdma_addr_find_smac_by_sgid(union ib_gid *sgid, u8 *smac, u16 *vlan_id)
 {