[PATCH for-next 3/3] IB/mlx5: Fix mlx5_set_path for Raw Packet QP

[Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

From: Talat Batheesh <talatb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

mlx5_set_path returns error when called without GRH in Ethernet
link layer. Since this is not mandatory for Raw Packet QP, it
shouldn't fail in this case.

Added additional check of QP type to make the decision.

Fixes: 2811ba51b049 ('IB/mlx5: Add RoCE fields to Address Vector')
Signed-off-by: Talat Batheesh <talatb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Signed-off-by: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
---
 drivers/infiniband/hw/mlx5/qp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index e9b3a1f..fbd94a9 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -2175,7 +2175,8 @@ static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
 	}
 
 	if (ll == IB_LINK_LAYER_ETHERNET) {
-		if (!(ah->ah_flags & IB_AH_GRH))
+		if (!(ah->ah_flags & IB_AH_GRH) &&
+		    (qp->ibqp.qp_type != IB_QPT_RAW_PACKET))
 			return -EINVAL;
 		memcpy(path->rmac, ah->dmac, sizeof(ah->dmac));
 		path->udp_sport = mlx5_get_roce_udp_sport(dev, port,
-- 
2.1.4

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