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authorPablo Neira Ayuso <pablo@netfilter.org>2006-03-22 13:56:08 -0800
committerDavid S. Miller <davem@davemloft.net>2006-03-22 13:56:08 -0800
commitb9f78f9fca626875af8adc0f7366a38b8e625a0e (patch)
tree1087c6f6a6cc39e4e55c2a02f93d93da67a68ed3 /include/net
parenta45049c51ce6a3fecf2a909b591b28164c927112 (diff)
downloadop-kernel-dev-b9f78f9fca626875af8adc0f7366a38b8e625a0e.zip
op-kernel-dev-b9f78f9fca626875af8adc0f7366a38b8e625a0e.tar.gz
[NETFILTER]: nf_conntrack: support for layer 3 protocol load on demand
x_tables matches and targets that require nf_conntrack_ipv[4|6] to work don't have enough information to load on demand these modules. This patch introduces the following changes to solve this issue: o nf_ct_l3proto_try_module_get: try to load the layer 3 connection tracker module and increases the refcount. o nf_ct_l3proto_module put: drop the refcount of the module. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/netfilter/nf_conntrack.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 2743c15..b6f0905 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -195,6 +195,10 @@ static inline void nf_ct_put(struct nf_conn *ct)
nf_conntrack_put(&ct->ct_general);
}
+/* Protocol module loading */
+extern int nf_ct_l3proto_try_module_get(unsigned short l3proto);
+extern void nf_ct_l3proto_module_put(unsigned short l3proto);
+
extern struct nf_conntrack_tuple_hash *
__nf_conntrack_find(const struct nf_conntrack_tuple *tuple,
const struct nf_conn *ignored_conntrack);
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