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| author |   Jianbo Liu <jianbol@nvidia.com> | 2021-06-18 06:47:15 +0000 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@nvidia.com> | 2022-07-02 11:58:29 -0700 |
| commit | 06fe52a476599f309b230e0f0f8e17ec68b49ae9 (patch) | |
| tree | 8e2d2c734af2150de04d3c45d7785caf688b15fa /drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h | |
| parent | net/mlx5e: Add generic macros to use metadata register mapping (diff) | |
| download | wireguard-linux-06fe52a476599f309b230e0f0f8e17ec68b49ae9.tar.xz wireguard-linux-06fe52a476599f309b230e0f0f8e17ec68b49ae9.zip | |
net/mlx5e: Add post meter table for flow metering
Flow meter object monitors the packets rate for the flows it is
attached to, and color packets with GREEN or RED. The post meter table
is used to check the color. Packet is dropped if it's RED, or
forwarded to post_act table if GREEN.
Packet color will be set to 8 LSB of the register C5, so they are
reserved for metering, which are previously used for matching fte id.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Ariel Levkovich <lariel@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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 | 5 |
1 files changed, 3 insertions, 2 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 6a9933925c4f..5bbd6b92840f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h @@ -62,10 +62,11 @@ struct mlx5_ct_attr { misc_parameters_2.metadata_reg_c_4),\ } +/* 8 LSB of metadata C5 are reserved for packet color */ #define fteid_to_reg_ct {\ .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_5,\ - .moffset = 0,\ - .mlen = 32,\ + .moffset = 8,\ + .mlen = 24,\ .soffset = MLX5_BYTE_OFF(fte_match_param,\ misc_parameters_2.metadata_reg_c_5),\ } |