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mlxsw: spectrum: Add support for direct rule access

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Currently the ACL rules can be accessed only by hashing. In order to
dump the activity the rules are also placed in a list.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arkadi Sharshevsky 2017-03-11 09:42:55 +01:00 committed by David S. Miller
parent 7fd056c2ef
commit 096e914f69
1 changed files with 6 additions and 0 deletions
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6
drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
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@ -54,6 +54,7 @@ struct mlxsw_sp_acl {
struct mlxsw_afa *afa;
const struct mlxsw_sp_acl_ops *ops;
struct rhashtable ruleset_ht;
struct list_head rules;
unsigned long priv[0];
/* priv has to be always the last item */
};
@ -80,6 +81,7 @@ struct mlxsw_sp_acl_ruleset {
struct mlxsw_sp_acl_rule {
struct rhash_head ht_node; /* Member of rule HT */
struct list_head list;
unsigned long cookie; /* HT key */
struct mlxsw_sp_acl_ruleset *ruleset;
struct mlxsw_sp_acl_rule_info *rulei;
@ -422,6 +424,7 @@ int mlxsw_sp_acl_rule_add(struct mlxsw_sp *mlxsw_sp,
if (err)
goto err_rhashtable_insert;
list_add_tail(&rule->list, &mlxsw_sp->acl->rules);
return 0;
err_rhashtable_insert:
@ -435,6 +438,7 @@ void mlxsw_sp_acl_rule_del(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_ruleset *ruleset = rule->ruleset;
const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
list_del(&rule->list);
rhashtable_remove_fast(&ruleset->rule_ht, &rule->ht_node,
mlxsw_sp_acl_rule_ht_params);
ops->rule_del(mlxsw_sp, rule->priv);
@ -570,6 +574,7 @@ int mlxsw_sp_acl_init(struct mlxsw_sp *mlxsw_sp)
if (err)
goto err_rhashtable_init;
INIT_LIST_HEAD(&acl->rules);
err = acl_ops->init(mlxsw_sp, acl->priv);
if (err)
goto err_acl_ops_init;
@ -594,6 +599,7 @@ void mlxsw_sp_acl_fini(struct mlxsw_sp *mlxsw_sp)
const struct mlxsw_sp_acl_ops *acl_ops = acl->ops;
acl_ops->fini(mlxsw_sp, acl->priv);
WARN_ON(!list_empty(&acl->rules));
rhashtable_destroy(&acl->ruleset_ht);
mlxsw_afa_destroy(acl->afa);
mlxsw_afk_destroy(acl->afk);