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Commit 1a29d293 authored by Nir Dotan's avatar Nir Dotan Committed by David S. Miller
Browse files

mlxsw: spectrum_acl: Add multicast router profile operations 



Add specific ACL operations needed for programming multicast routing ACL
groups and routes.

Signed-off-by: default avatarNir Dotan <nird@mellanox.com>
Reviewed-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent add4550f

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

+1 −0
Original line number Diff line number Diff line
@@ -572,6 +572,7 @@ struct mlxsw_sp_acl_ruleset; 
/* spectrum_acl.c */

enum mlxsw_sp_acl_profile {

	MLXSW_SP_ACL_PROFILE_FLOWER,

	MLXSW_SP_ACL_PROFILE_MR,

};



struct mlxsw_afk *mlxsw_sp_acl_afk(struct mlxsw_sp_acl *acl);

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

+129 −0
Original line number Diff line number Diff line
@@ -848,6 +848,15 @@ struct mlxsw_sp_acl_tcam_flower_rule { 
	struct mlxsw_sp_acl_tcam_entry entry;

};



struct mlxsw_sp_acl_tcam_mr_ruleset {

	struct mlxsw_sp_acl_tcam_chunk *chunk;

	struct mlxsw_sp_acl_tcam_group group;

};



struct mlxsw_sp_acl_tcam_mr_rule {

	struct mlxsw_sp_acl_tcam_entry entry;

};



static int

mlxsw_sp_acl_tcam_flower_ruleset_add(struct mlxsw_sp *mlxsw_sp,

				     struct mlxsw_sp_acl_tcam *tcam,
@@ -952,9 +961,129 @@ static const struct mlxsw_sp_acl_profile_ops mlxsw_sp_acl_tcam_flower_ops = { 
	.rule_activity_get	= mlxsw_sp_acl_tcam_flower_rule_activity_get,

};



static int

mlxsw_sp_acl_tcam_mr_ruleset_add(struct mlxsw_sp *mlxsw_sp,

				 struct mlxsw_sp_acl_tcam *tcam,

				 void *ruleset_priv,

				 struct mlxsw_afk_element_usage *tmplt_elusage)

{

	struct mlxsw_sp_acl_tcam_mr_ruleset *ruleset = ruleset_priv;

	int err;



	err = mlxsw_sp_acl_tcam_group_add(mlxsw_sp, tcam, &ruleset->group,

					  mlxsw_sp_acl_tcam_patterns,

					  MLXSW_SP_ACL_TCAM_PATTERNS_COUNT,

					  tmplt_elusage);

	if (err)

		return err;



	/* For most of the TCAM clients it would make sense to take a tcam chunk

	 * only when the first rule is written. This is not the case for

	 * multicast router as it is required to bind the multicast router to a

	 * specific ACL Group ID which must exist in HW before multicast router

	 * is initialized.

	 */

	ruleset->chunk = mlxsw_sp_acl_tcam_chunk_get(mlxsw_sp, &ruleset->group,

						     1, tmplt_elusage);

	if (IS_ERR(ruleset->chunk)) {

		err = PTR_ERR(ruleset->chunk);

		goto err_chunk_get;

	}



	return 0;



err_chunk_get:

	mlxsw_sp_acl_tcam_group_del(mlxsw_sp, &ruleset->group);

	return err;

}



static void

mlxsw_sp_acl_tcam_mr_ruleset_del(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv)

{

	struct mlxsw_sp_acl_tcam_mr_ruleset *ruleset = ruleset_priv;



	mlxsw_sp_acl_tcam_chunk_put(mlxsw_sp, ruleset->chunk);

	mlxsw_sp_acl_tcam_group_del(mlxsw_sp, &ruleset->group);

}



static int

mlxsw_sp_acl_tcam_mr_ruleset_bind(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv,

				  struct mlxsw_sp_port *mlxsw_sp_port,

				  bool ingress)

{

	/* Binding is done when initializing multicast router */

	return 0;

}



static void

mlxsw_sp_acl_tcam_mr_ruleset_unbind(struct mlxsw_sp *mlxsw_sp,

				    void *ruleset_priv,

				    struct mlxsw_sp_port *mlxsw_sp_port,

				    bool ingress)

{

}



static u16

mlxsw_sp_acl_tcam_mr_ruleset_group_id(void *ruleset_priv)

{

	struct mlxsw_sp_acl_tcam_mr_ruleset *ruleset = ruleset_priv;



	return mlxsw_sp_acl_tcam_group_id(&ruleset->group);

}



static size_t mlxsw_sp_acl_tcam_mr_rule_priv_size(struct mlxsw_sp *mlxsw_sp)

{

	return sizeof(struct mlxsw_sp_acl_tcam_mr_rule) +

	       mlxsw_sp_acl_tcam_entry_priv_size(mlxsw_sp);

}



static int

mlxsw_sp_acl_tcam_mr_rule_add(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv,

			      void *rule_priv,

			      struct mlxsw_sp_acl_rule_info *rulei)

{

	struct mlxsw_sp_acl_tcam_mr_ruleset *ruleset = ruleset_priv;

	struct mlxsw_sp_acl_tcam_mr_rule *rule = rule_priv;



	return mlxsw_sp_acl_tcam_entry_add(mlxsw_sp, &ruleset->group,

					   &rule->entry, rulei);

}



static void

mlxsw_sp_acl_tcam_mr_rule_del(struct mlxsw_sp *mlxsw_sp, void *rule_priv)

{

	struct mlxsw_sp_acl_tcam_mr_rule *rule = rule_priv;



	mlxsw_sp_acl_tcam_entry_del(mlxsw_sp, &rule->entry);

}



static int

mlxsw_sp_acl_tcam_mr_rule_activity_get(struct mlxsw_sp *mlxsw_sp,

				       void *rule_priv, bool *activity)

{

	struct mlxsw_sp_acl_tcam_mr_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_mr_ops = {

	.ruleset_priv_size	= sizeof(struct mlxsw_sp_acl_tcam_mr_ruleset),

	.ruleset_add		= mlxsw_sp_acl_tcam_mr_ruleset_add,

	.ruleset_del		= mlxsw_sp_acl_tcam_mr_ruleset_del,

	.ruleset_bind		= mlxsw_sp_acl_tcam_mr_ruleset_bind,

	.ruleset_unbind		= mlxsw_sp_acl_tcam_mr_ruleset_unbind,

	.ruleset_group_id	= mlxsw_sp_acl_tcam_mr_ruleset_group_id,

	.rule_priv_size		= mlxsw_sp_acl_tcam_mr_rule_priv_size,

	.rule_add		= mlxsw_sp_acl_tcam_mr_rule_add,

	.rule_del		= mlxsw_sp_acl_tcam_mr_rule_del,

	.rule_activity_get	= mlxsw_sp_acl_tcam_mr_rule_activity_get,

};



static const struct mlxsw_sp_acl_profile_ops *

mlxsw_sp_acl_tcam_profile_ops_arr[] = {

	[MLXSW_SP_ACL_PROFILE_FLOWER] = &mlxsw_sp_acl_tcam_flower_ops,

	[MLXSW_SP_ACL_PROFILE_MR] = &mlxsw_sp_acl_tcam_mr_ops,

};



const struct mlxsw_sp_acl_profile_ops *