From: Roi Dayan Date: Thu, 22 Mar 2018 16:51:37 +0000 (+0200) Subject: net/mlx5e: Err if asked to offload TC match on frag being first X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=57e0a9f2174e3975894578b4c853859bf6e8245d;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git net/mlx5e: Err if asked to offload TC match on frag being first [ Upstream commit f85900c3e13fdb61f040c9feecbcda601e0cdcfb ] The HW doesn't support matching on frag first/later, return error if we are asked to offload that. Fixes: 3f7d0eb42d59 ("net/mlx5e: Offload TC matching on packets being IP fragments") Signed-off-by: Roi Dayan Reviewed-by: Or Gerlitz Signed-off-by: Saeed Mahameed Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 42bab73a9f40..598755529815 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -780,6 +780,10 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, f->mask); addr_type = key->addr_type; + /* the HW doesn't support frag first/later */ + if (mask->flags & FLOW_DIS_FIRST_FRAG) + return -EOPNOTSUPP; + if (mask->flags & FLOW_DIS_IS_FRAGMENT) { MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag,