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mlxsw: spectrum_acl: Provide helper to lookup ruleset
We need to lookup ruleset in order to offload goto_chain termination action. This patch adds it. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -441,6 +441,10 @@ struct mlxsw_sp_acl_ruleset;
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/* spectrum_acl.c */
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struct mlxsw_afk *mlxsw_sp_acl_afk(struct mlxsw_sp_acl *acl);
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struct mlxsw_sp_acl_ruleset *
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mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
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bool ingress, u32 chain_index,
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enum mlxsw_sp_acl_profile profile);
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struct mlxsw_sp_acl_ruleset *
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mlxsw_sp_acl_ruleset_get(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
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bool ingress, u32 chain_index,
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enum mlxsw_sp_acl_profile profile);
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@ -221,6 +221,41 @@ static void mlxsw_sp_acl_ruleset_ref_dec(struct mlxsw_sp *mlxsw_sp,
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mlxsw_sp_acl_ruleset_destroy(mlxsw_sp, ruleset);
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}
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static struct mlxsw_sp_acl_ruleset *
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__mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp_acl *acl, struct net_device *dev,
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bool ingress, u32 chain_index,
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const struct mlxsw_sp_acl_profile_ops *ops)
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{
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struct mlxsw_sp_acl_ruleset_ht_key ht_key;
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memset(&ht_key, 0, sizeof(ht_key));
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ht_key.dev = dev;
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ht_key.ingress = ingress;
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ht_key.chain_index = chain_index;
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ht_key.ops = ops;
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return rhashtable_lookup_fast(&acl->ruleset_ht, &ht_key,
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mlxsw_sp_acl_ruleset_ht_params);
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}
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struct mlxsw_sp_acl_ruleset *
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mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
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bool ingress, u32 chain_index,
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enum mlxsw_sp_acl_profile profile)
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{
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const struct mlxsw_sp_acl_profile_ops *ops;
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struct mlxsw_sp_acl *acl = mlxsw_sp->acl;
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struct mlxsw_sp_acl_ruleset *ruleset;
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ops = acl->ops->profile_ops(mlxsw_sp, profile);
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if (!ops)
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return ERR_PTR(-EINVAL);
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ruleset = __mlxsw_sp_acl_ruleset_lookup(acl, dev, ingress,
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chain_index, ops);
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if (!ruleset)
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return ERR_PTR(-ENOENT);
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return ruleset;
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}
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struct mlxsw_sp_acl_ruleset *
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mlxsw_sp_acl_ruleset_get(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
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bool ingress, u32 chain_index,
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@ -228,7 +263,6 @@ mlxsw_sp_acl_ruleset_get(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
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{
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const struct mlxsw_sp_acl_profile_ops *ops;
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struct mlxsw_sp_acl *acl = mlxsw_sp->acl;
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struct mlxsw_sp_acl_ruleset_ht_key ht_key;
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struct mlxsw_sp_acl_ruleset *ruleset;
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int err;
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@ -236,13 +270,8 @@ mlxsw_sp_acl_ruleset_get(struct mlxsw_sp *mlxsw_sp, struct net_device *dev,
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if (!ops)
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return ERR_PTR(-EINVAL);
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memset(&ht_key, 0, sizeof(ht_key));
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ht_key.dev = dev;
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ht_key.ingress = ingress;
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ht_key.chain_index = chain_index;
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ht_key.ops = ops;
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ruleset = rhashtable_lookup_fast(&acl->ruleset_ht, &ht_key,
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mlxsw_sp_acl_ruleset_ht_params);
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ruleset = __mlxsw_sp_acl_ruleset_lookup(acl, dev, ingress,
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chain_index, ops);
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if (ruleset) {
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mlxsw_sp_acl_ruleset_ref_inc(ruleset);
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return ruleset;
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