Commit ec587855 authored by Oz Shlomo's avatar Oz Shlomo Committed by Jakub Kicinski
Browse files

net/mlx5e: TC, set control params for branching actions 



Extend the act tc api to set the branch control params aligning with
the police conform/exceed use case.

Signed-off-by: default avatarOz Shlomo <ozsh@nvidia.com>
Reviewed-by: default avatarRoi Dayan <roid@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20221203221337.29267-7-saeed@kernel.org


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 64426382

drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.h

+9 −0
Original line number Diff line number Diff line
@@ -32,6 +32,11 @@ struct mlx5e_tc_act_parse_state { 
	struct mlx5_tc_ct_priv *ct_priv;

};



struct mlx5e_tc_act_branch_ctrl {

	enum flow_action_id act_id;

	u32 extval;

};



struct mlx5e_tc_act {

	bool (*can_offload)(struct mlx5e_tc_act_parse_state *parse_state,

			    const struct flow_action_entry *act,
@@ -61,6 +66,10 @@ struct mlx5e_tc_act { 
	int (*stats_action)(struct mlx5e_priv *priv,

			    struct flow_offload_action *fl_act);



	bool (*get_branch_ctrl)(const struct flow_action_entry *act,

				struct mlx5e_tc_act_branch_ctrl *cond_true,

				struct mlx5e_tc_act_branch_ctrl *cond_false);



	bool is_terminating_action;

};

drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/police.c

+14 −0
Original line number Diff line number Diff line
@@ -147,6 +147,19 @@ tc_act_police_stats(struct mlx5e_priv *priv, 
	return 0;

}



static bool

tc_act_police_get_branch_ctrl(const struct flow_action_entry *act,

			      struct mlx5e_tc_act_branch_ctrl *cond_true,

			      struct mlx5e_tc_act_branch_ctrl *cond_false)

{

	cond_true->act_id = act->police.notexceed.act_id;

	cond_true->extval = act->police.notexceed.extval;



	cond_false->act_id = act->police.exceed.act_id;

	cond_false->extval = act->police.exceed.extval;

	return true;

}



struct mlx5e_tc_act mlx5e_tc_act_police = {

	.can_offload = tc_act_can_offload_police,

	.parse_action = tc_act_parse_police,
@@ -154,4 +167,5 @@ struct mlx5e_tc_act mlx5e_tc_act_police = { 
	.offload_action = tc_act_police_offload,

	.destroy_action = tc_act_police_destroy,

	.stats_action = tc_act_police_stats,

	.get_branch_ctrl = tc_act_police_get_branch_ctrl,

};