From: Or Gerlitz Date: Tue, 10 Jan 2017 20:33:30 +0000 (+0200) Subject: net/mlx5e: Properly handle offloading of source udp port for IP tunnels X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=cd3776638003b3362d9d7d1f27bcb80c276e2c28;p=linux-beck.git net/mlx5e: Properly handle offloading of source udp port for IP tunnels We can offload the matching on source udp port of ip tunnels for decapsulation. We can not offload setting source udp port for tunnels as part of encapsulation. Fix both the code that deals with matching offload (decap) and the code that deal with encap offload to align with that. Fixes: a54e20b4fcae ('net/mlx5e: Add basic TC tunnel set action for SRIOV offloads') Fixes: bbd00f7e2349 ('net/mlx5e: Add TC tunnel release action for SRIOV offloads') Signed-off-by: Or Gerlitz Reviewed-by: Hadar Hen Zion Signed-off-by: Saeed Mahameed Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index f8829b517156..b60feceab63b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -239,10 +239,6 @@ static int parse_tunnel_attr(struct mlx5e_priv *priv, if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst))) return -EOPNOTSUPP; - /* udp src port isn't supported */ - if (memchr_inv(&mask->src, 0, sizeof(mask->src))) - return -EOPNOTSUPP; - if (mlx5e_vxlan_lookup_port(priv, be16_to_cpu(key->dst)) && MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) parse_vxlan_attr(spec, f); @@ -254,6 +250,10 @@ static int parse_tunnel_attr(struct mlx5e_priv *priv, MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, ntohs(key->dst)); + MLX5_SET(fte_match_set_lyr_2_4, headers_c, + udp_sport, ntohs(mask->src)); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, + udp_sport, ntohs(key->src)); } else { /* udp dst port must be given */ return -EOPNOTSUPP; } @@ -796,6 +796,10 @@ static int mlx5e_attach_encap(struct mlx5e_priv *priv, if (!memchr_inv(&key->tp_dst, 0, sizeof(key->tp_dst))) return -EOPNOTSUPP; + /* setting udp src port isn't supported */ + if (memchr_inv(&key->tp_src, 0, sizeof(key->tp_src))) + return -EOPNOTSUPP; + if (mlx5e_vxlan_lookup_port(priv, be16_to_cpu(key->tp_dst)) && MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) { info.tp_dst = key->tp_dst;