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[NETFILTER]: nf_conntrack: support for layer 3 protocol load on demand

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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>
This commit is contained in:
Pablo Neira Ayuso
2006-03-22 13:56:08 -08:00
committed by David S. Miller
parent a45049c51c
commit b9f78f9fca
9 changed files with 130 additions and 0 deletions
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net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
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@@ -584,6 +584,7 @@ static int init_or_cleanup(int init)
return ret;
}
MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET6));
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Yasuyuki KOZAKAI @USAGI <yasuyuki.kozakai@toshiba.co.jp>");