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net/mlx5: Support partial TTC rules 

Add bitmasks to ttc_params to indicate if rule is valid or not.
It will allow to create TTC table with support only in part of the
traffic types.
In later patches which introduce the steering based LAG port selection,
TTC will be created with only part of the rules according to the hash
type.

Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Maor Gottlieb 2021-07-04 15:16:21 +03:00 committed by Saeed Mahameed
parent 939a6567f9
commit 4c71ce50d2
2 changed files with 6 additions and 0 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.c
View File

@ -247,6 +247,8 @@ static int mlx5_generate_ttc_table_rules(struct mlx5_core_dev *dev,
for (tt = 0; tt < MLX5_NUM_TT; tt++) {
struct mlx5_ttc_rule *rule = &rules[tt];
if (test_bit(tt, params->ignore_dests))
continue;
rule->rule = mlx5_generate_ttc_rule(dev, ft, &params->dests[tt],
ttc_rules[tt].etype,
ttc_rules[tt].proto);
@ -266,6 +268,8 @@ static int mlx5_generate_ttc_table_rules(struct mlx5_core_dev *dev,
if (!mlx5_tunnel_proto_supported_rx(dev,
ttc_tunnel_rules[tt].proto))
continue;
if (test_bit(tt, params->ignore_tunnel_dests))
continue;
trules[tt] = mlx5_generate_ttc_rule(dev, ft,
&params->tunnel_dests[tt],
ttc_tunnel_rules[tt].etype,

2
drivers/net/ethernet/mellanox/mlx5/core/lib/fs_ttc.h
View File

@ -43,7 +43,9 @@ struct ttc_params {
struct mlx5_flow_namespace *ns;
struct mlx5_flow_table_attr ft_attr;
struct mlx5_flow_destination dests[MLX5_NUM_TT];
DECLARE_BITMAP(ignore_dests, MLX5_NUM_TT);
bool inner_ttc;
DECLARE_BITMAP(ignore_tunnel_dests, MLX5_NUM_TUNNEL_TT);
struct mlx5_flow_destination tunnel_dests[MLX5_NUM_TUNNEL_TT];
};