4.16-stable review patch. If anyone has any objections, please let me know.
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From: Roi Dayan roid@mellanox.com
[ 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 --- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 4 ++++ 1 file changed, 4 insertions(+)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -1260,6 +1260,10 @@ static int __parse_cls_flower(struct mlx 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,