diff options
Diffstat (limited to 'include/net/netfilter/nf_conntrack_count.h')
| -rw-r--r-- | include/net/netfilter/nf_conntrack_count.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/include/net/netfilter/nf_conntrack_count.h b/include/net/netfilter/nf_conntrack_count.h index dbec17f674b7..4b2b2baf8ab4 100644 --- a/include/net/netfilter/nf_conntrack_count.h +++ b/include/net/netfilter/nf_conntrack_count.h @@ -5,9 +5,17 @@ struct nf_conncount_data; +enum nf_conncount_list_add { + NF_CONNCOUNT_ADDED, /* list add was ok */ + NF_CONNCOUNT_ERR, /* -ENOMEM, must drop skb */ + NF_CONNCOUNT_SKIP, /* list is already reclaimed by gc */ +}; + struct nf_conncount_list { + spinlock_t list_lock; struct list_head head; /* connections with the same filtering key */ unsigned int count; /* length of list */ + bool dead; }; struct nf_conncount_data *nf_conncount_init(struct net *net, unsigned int family, @@ -28,11 +36,12 @@ void nf_conncount_lookup(struct net *net, struct nf_conncount_list *list, void nf_conncount_list_init(struct nf_conncount_list *list); -bool nf_conncount_add(struct nf_conncount_list *list, - const struct nf_conntrack_tuple *tuple, - const struct nf_conntrack_zone *zone); +enum nf_conncount_list_add +nf_conncount_add(struct nf_conncount_list *list, + const struct nf_conntrack_tuple *tuple, + const struct nf_conntrack_zone *zone); -void nf_conncount_gc_list(struct net *net, +bool nf_conncount_gc_list(struct net *net, struct nf_conncount_list *list); void nf_conncount_cache_free(struct nf_conncount_list *list); |