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Commit 7fd056c2 authored by Arkadi Sharshevsky's avatar Arkadi Sharshevsky Committed by David S. Miller
Browse files

mlxsw: spectrum_acl_tcam: Add support for retrieving TCAM entry activity 



Add support for retrieving TCAM entry activity. In order to support ACL
rule activity corresponding TCAM entry should be queried.

Signed-off-by: default avatarArkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1abcbcc2

drivers/net/ethernet/mellanox/mlxsw/spectrum.h

+2 −0
Original line number Diff line number Diff line
@@ -607,6 +607,8 @@ struct mlxsw_sp_acl_profile_ops { 
			void *ruleset_priv, void *rule_priv,

			struct mlxsw_sp_acl_rule_info *rulei);

	void (*rule_del)(struct mlxsw_sp *mlxsw_sp, void *rule_priv);

	int (*rule_activity_get)(struct mlxsw_sp *mlxsw_sp, void *rule_priv,

				 bool *activity);

};



struct mlxsw_sp_acl_ops {

drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c

+42 −0
Original line number Diff line number Diff line
@@ -561,6 +561,24 @@ mlxsw_sp_acl_tcam_region_entry_remove(struct mlxsw_sp *mlxsw_sp, 
	mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl);

}



static int

mlxsw_sp_acl_tcam_region_entry_activity_get(struct mlxsw_sp *mlxsw_sp,

					    struct mlxsw_sp_acl_tcam_region *region,

					    unsigned int offset,

					    bool *activity)

{

	char ptce2_pl[MLXSW_REG_PTCE2_LEN];

	int err;



	mlxsw_reg_ptce2_pack(ptce2_pl, true, MLXSW_REG_PTCE2_OP_QUERY_CLEAR_ON_READ,

			     region->tcam_region_info, offset);

	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptce2), ptce2_pl);

	if (err)

		return err;

	*activity = mlxsw_reg_ptce2_a_get(ptce2_pl);

	return 0;

}



#define MLXSW_SP_ACL_TCAM_CATCHALL_PRIO (~0U)



static int
@@ -940,6 +958,19 @@ static void mlxsw_sp_acl_tcam_entry_del(struct mlxsw_sp *mlxsw_sp, 
	mlxsw_sp_acl_tcam_chunk_put(mlxsw_sp, chunk);

}



static int

mlxsw_sp_acl_tcam_entry_activity_get(struct mlxsw_sp *mlxsw_sp,

				     struct mlxsw_sp_acl_tcam_entry *entry,

				     bool *activity)

{

	struct mlxsw_sp_acl_tcam_chunk *chunk = entry->chunk;

	struct mlxsw_sp_acl_tcam_region *region = chunk->region;



	return mlxsw_sp_acl_tcam_region_entry_activity_get(mlxsw_sp, region,

							   entry->parman_item.index,

							   activity);

}



static const enum mlxsw_afk_element mlxsw_sp_acl_tcam_pattern_ipv4[] = {

	MLXSW_AFK_ELEMENT_SRC_SYS_PORT,

	MLXSW_AFK_ELEMENT_DMAC,
@@ -1048,6 +1079,16 @@ mlxsw_sp_acl_tcam_flower_rule_del(struct mlxsw_sp *mlxsw_sp, void *rule_priv) 
	mlxsw_sp_acl_tcam_entry_del(mlxsw_sp, &rule->entry);

}



static int

mlxsw_sp_acl_tcam_flower_rule_activity_get(struct mlxsw_sp *mlxsw_sp,

					   void *rule_priv, bool *activity)

{

	struct mlxsw_sp_acl_tcam_flower_rule *rule = rule_priv;



	return mlxsw_sp_acl_tcam_entry_activity_get(mlxsw_sp, &rule->entry,

						    activity);

}



static const struct mlxsw_sp_acl_profile_ops mlxsw_sp_acl_tcam_flower_ops = {

	.ruleset_priv_size	= sizeof(struct mlxsw_sp_acl_tcam_flower_ruleset),

	.ruleset_add		= mlxsw_sp_acl_tcam_flower_ruleset_add,
@@ -1057,6 +1098,7 @@ static const struct mlxsw_sp_acl_profile_ops mlxsw_sp_acl_tcam_flower_ops = { 
	.rule_priv_size		= sizeof(struct mlxsw_sp_acl_tcam_flower_rule),

	.rule_add		= mlxsw_sp_acl_tcam_flower_rule_add,

	.rule_del		= mlxsw_sp_acl_tcam_flower_rule_del,

	.rule_activity_get	= mlxsw_sp_acl_tcam_flower_rule_activity_get,

};



static const struct mlxsw_sp_acl_profile_ops *