diff options
author | Roi Dayan <roid@mellanox.com> | 2018-03-22 19:51:37 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-19 11:20:24 +0300 |
commit | 57e0a9f2174e3975894578b4c853859bf6e8245d (patch) | |
tree | daebf3d5e4355bb10c53d8c2dcd8b02b8e04c2ca /drivers/net | |
parent | edc0c15f6f613b035fcc47a5bcc4004cad7cab96 (diff) | |
download | linux-57e0a9f2174e3975894578b4c853859bf6e8245d.tar.xz |
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 <roid@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 4 |
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 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, |