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| author |   Pablo Neira Ayuso <pablo@netfilter.org> | 2012-02-05 03:44:51 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2012-03-07 17:40:46 +0100 |
| commit | 544d5c7d9f4d1ec4f170bc5bcc522012cb7704bc (patch) | |
| tree | d7e4eff56efb23801a5ad0e4720efe13c68672ca /include/net/netfilter/nf_conntrack_helper.h | |
| parent | netfilter: ctnetlink: add NAT support for expectations (diff) | |
| download | linux-dev-544d5c7d9f4d1ec4f170bc5bcc522012cb7704bc.tar.xz linux-dev-544d5c7d9f4d1ec4f170bc5bcc522012cb7704bc.zip | |
netfilter: ctnetlink: allow to set expectfn for expectations
This patch allows you to set expectfn which is specifically used
by the NAT side of most of the existing conntrack helpers.
I have added a symbol map that uses a string as key to look up for
the function that is attached to the expectation object. This is
the best solution I came out with to solve this issue.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net/netfilter/nf_conntrack_helper.h')
| -rw-r--r-- | include/net/netfilter/nf_conntrack_helper.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_conntrack_helper.h b/include/net/netfilter/nf_conntrack_helper.h index f1c1311adc2c..5767dc242dee 100644 --- a/include/net/netfilter/nf_conntrack_helper.h +++ b/include/net/netfilter/nf_conntrack_helper.h @@ -69,4 +69,17 @@ extern int nf_conntrack_broadcast_help(struct sk_buff *skb, enum ip_conntrack_info ctinfo, unsigned int timeout); +struct nf_ct_helper_expectfn { + struct list_head head; + const char *name; + void (*expectfn)(struct nf_conn *ct, struct nf_conntrack_expect *exp); +}; + +void nf_ct_helper_expectfn_register(struct nf_ct_helper_expectfn *n); +void nf_ct_helper_expectfn_unregister(struct nf_ct_helper_expectfn *n); +struct nf_ct_helper_expectfn * +nf_ct_helper_expectfn_find_by_name(const char *name); +struct nf_ct_helper_expectfn * +nf_ct_helper_expectfn_find_by_symbol(const void *symbol); + #endif /*_NF_CONNTRACK_HELPER_H*/ |