diff options
| author | Roi Dayan <roid@mellanox.com> | 2016-11-22 23:10:00 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-24 16:01:14 -0500 |
| commit | de0af0bf64fc11fab253f63424bd3aba12e5f614 (patch) | |
| tree | 38a16bc5ebb219b31233c2f61cb9109590a8210f | |
| parent | bffaa916588ebb065cfa0287195d9ad35612eecf (diff) | |
net/mlx5e: Enforce min inline mode when offloading flows
A flow should be offloaded only if the matches are
allowed according to min inline mode.
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: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 4b991124bc57..4d06fab842d6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -279,8 +279,10 @@ static int parse_tunnel_attr(struct mlx5e_priv *priv, return 0; } -static int parse_cls_flower(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec, - struct tc_cls_flower_offload *f) +static int __parse_cls_flower(struct mlx5e_priv *priv, + struct mlx5_flow_spec *spec, + struct tc_cls_flower_offload *f, + u8 *min_inline) { void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); @@ -289,6 +291,8 @@ static int parse_cls_flower(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec u16 addr_type = 0; u8 ip_proto = 0; + *min_inline = MLX5_INLINE_MODE_L2; + if (f->dissector->used_keys & ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | BIT(FLOW_DISSECTOR_KEY_BASIC) | @@ -362,6 +366,9 @@ static int parse_cls_flower(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec mask->ip_proto); MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, key->ip_proto); + + if (mask->ip_proto) + *min_inline = MLX5_INLINE_MODE_IP; } if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { @@ -432,6 +439,9 @@ static int parse_cls_flower(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), &key->dst, sizeof(key->dst)); + + if (mask->src || mask->dst) + *min_inline = MLX5_INLINE_MODE_IP; } if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { @@ -457,6 +467,10 @@ static int parse_cls_flower(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, dst_ipv4_dst_ipv6.ipv6_layout.ipv6), &key->dst, sizeof(key->dst)); + + if (ipv6_addr_type(&mask->src) != IPV6_ADDR_ANY || + ipv6_addr_type(&mask->dst) != IPV6_ADDR_ANY) + *min_inline = MLX5_INLINE_MODE_IP; } if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_PORTS)) { @@ -497,11 +511,39 @@ static int parse_cls_flower(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec "Only UDP and TCP transport are supported\n"); return -EINVAL; } + + if (mask->src || mask->dst) + *min_inline = MLX5_INLINE_MODE_TCP_UDP; } return 0; } +static int parse_cls_flower(struct mlx5e_priv *priv, + struct mlx5_flow_spec *spec, + struct tc_cls_flower_offload *f) +{ + struct mlx5_core_dev *dev = priv->mdev; + struct mlx5_eswitch *esw = dev->priv.eswitch; + struct mlx5_eswitch_rep *rep = priv->ppriv; + u8 min_inline; + int err; + + err = __parse_cls_flower(priv, spec, f, &min_inline); + + if (!err && esw->mode == SRIOV_OFFLOADS && + rep->vport != FDB_UPLINK_VPORT) { + if (min_inline > esw->offloads.inline_mode) { + netdev_warn(priv->netdev, + "Flow is not offloaded due to min inline setting, required %d actual %d\n", + min_inline, esw->offloads.inline_mode); + return -EOPNOTSUPP; + } + } + + return err; +} + static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, u32 *action, u32 *flow_tag) { |