net/mlx5e: Set inline mode requirements for matching on IP fragments

For e-switch level matching on packets being an IP fragment, we
need to make sure the source vport inline mode is L3, fix that.

Fixes: 3f7d0eb42d59 ('net/mlx5e: Offload TC matching on packets being IP fragments')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 9cfddd9fc097..a35fa1eb0694 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -389,6 +389,10 @@ static int __parse_cls_flower(struct mlx5e_priv *priv,
                         MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1);
                         MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag,
                                  key->flags & FLOW_DIS_IS_FRAGMENT);
+
+                        /* the HW doesn't need L3 inline to match on frag=no */
+                        if (key->flags & FLOW_DIS_IS_FRAGMENT)
+                                *min_inline = MLX5_INLINE_MODE_IP;
                 }
         }