diff options
| author |   Paul Blakey <paulb@mellanox.com> | 2020-03-12 12:23:16 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-03-12 15:00:39 -0700 |
| commit | 5c6b9460474464c37c2d56df9e4c7044a042888b (patch) | |
| tree | 717a4e352c97a60772d8feaa609a316d065cb5fd /drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h | |
| parent | net/mlx5e: CT: Offload established flows (diff) | |
| download | wireguard-linux-5c6b9460474464c37c2d56df9e4c7044a042888b.tar.xz wireguard-linux-5c6b9460474464c37c2d56df9e4c7044a042888b.zip | |
net/mlx5e: CT: Handle misses after executing CT action
Mark packets with a unique tupleid, and on miss use that id to get
the act ct restore_cookie. Using that restore cookie, we ask CT to
restore the relevant info on the SKB.
Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h index f4bfda77f01a..464c86595309 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h @@ -64,6 +64,17 @@ struct mlx5_ct_attr { misc_parameters_2.metadata_reg_c_5),\ } +#define tupleid_to_reg_ct {\ + .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1,\ + .moffset = 0,\ + .mlen = 3,\ + .soffset = MLX5_BYTE_OFF(fte_match_param,\ + misc_parameters_2.metadata_reg_c_1),\ +} + +#define TUPLE_ID_BITS (mlx5e_tc_attr_to_reg_mappings[TUPLEID_TO_REG].mlen * 8) +#define TUPLE_ID_MAX GENMASK(TUPLE_ID_BITS - 1, 0) + #if IS_ENABLED(CONFIG_MLX5_TC_CT) int @@ -92,6 +103,10 @@ mlx5_tc_ct_delete_flow(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow, struct mlx5_esw_flow_attr *attr); +bool +mlx5e_tc_ct_restore_flow(struct mlx5_rep_uplink_priv *uplink_priv, + struct sk_buff *skb, u32 tupleid); + #else /* CONFIG_MLX5_TC_CT */ static inline int @@ -139,5 +154,15 @@ mlx5_tc_ct_delete_flow(struct mlx5e_priv *priv, { } +static inline bool +mlx5e_tc_ct_restore_flow(struct mlx5_rep_uplink_priv *uplink_priv, + struct sk_buff *skb, u32 tupleid) +{ + if (!tupleid) + return true; + + return false; +} + #endif /* !IS_ENABLED(CONFIG_MLX5_TC_CT) */ #endif /* __MLX5_EN_TC_CT_H__ */ |