* Sasha Levin (levinsasha928@xxxxxxxxx) wrote:
[...]
> -static struct hlist_head *hash_bucket(struct net *net, const char *name)
> -{
> - unsigned int hash = jhash(name, strlen(name), (unsigned long) net);
> - return &dev_table[hash & (VPORT_HASH_BUCKETS - 1)];
> -}
> -
> /**
> * ovs_vport_locate - find a port that has already been created
> *
> @@ -84,13 +76,12 @@ static struct hlist_head *hash_bucket(struct net *net, const char *name)
> */
> struct vport *ovs_vport_locate(struct net *net, const char *name)
> {
> - struct hlist_head *bucket = hash_bucket(net, name);
> struct vport *vport;
> struct hlist_node *node;
> + int key = full_name_hash(name, strlen(name));
>
> - hlist_for_each_entry_rcu(vport, node, bucket, hash_node)
> - if (!strcmp(name, vport->ops->get_name(vport)) &&
> - net_eq(ovs_dp_get_net(vport->dp), net))
> + hash_for_each_possible_rcu(dev_table, vport, node, hash_node, key)
Is applying hash_32() on top of full_name_hash() needed and expected ?
Thanks,
Mathieu
> + if (!strcmp(name, vport->ops->get_name(vport)))
> return vport;
>
> return NULL;
> @@ -174,7 +165,8 @@ struct vport *ovs_vport_add(const struct vport_parms *parms)
>
> for (i = 0; i < ARRAY_SIZE(vport_ops_list); i++) {
> if (vport_ops_list[i]->type == parms->type) {
> - struct hlist_head *bucket;
> + int key;
> + const char *name;
>
> vport = vport_ops_list[i]->create(parms);
> if (IS_ERR(vport)) {
> @@ -182,9 +174,9 @@ struct vport *ovs_vport_add(const struct vport_parms *parms)
> goto out;
> }
>
> - bucket = hash_bucket(ovs_dp_get_net(vport->dp),
> - vport->ops->get_name(vport));
> - hlist_add_head_rcu(&vport->hash_node, bucket);
> + name = vport->ops->get_name(vport);
> + key = full_name_hash(name, strlen(name));
> + hash_add_rcu(dev_table, &vport->hash_node, key);
> return vport;
> }
> }
> @@ -225,7 +217,7 @@ void ovs_vport_del(struct vport *vport)
> {
> ASSERT_RTNL();
>
> - hlist_del_rcu(&vport->hash_node);
> + hash_del_rcu(&vport->hash_node);
>
> vport->ops->destroy(vport);
> }
> --
> 1.7.12.4
>
--
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com
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