diff options
| author |   Pablo Neira Ayuso <pablo@netfilter.org> | 2006-03-22 13:56:08 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2006-03-22 13:56:08 -0800 |
| commit | b9f78f9fca626875af8adc0f7366a38b8e625a0e (patch) | |
| tree | 1087c6f6a6cc39e4e55c2a02f93d93da67a68ed3 /include/net | |
| parent | [NETFILTER]: x_tables: set the protocol family in x_tables targets/matches (diff) | |
| download | linux-dev-b9f78f9fca626875af8adc0f7366a38b8e625a0e.tar.xz linux-dev-b9f78f9fca626875af8adc0f7366a38b8e625a0e.zip | |
[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.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index 2743c156caa0..b6f0905a4ee2 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); |