diff options
| author |   Florian Westphal <fw@strlen.de> | 2017-04-16 01:29:14 +0200 |
|---|---|---|
| committer |   Pablo Neira Ayuso <pablo@netfilter.org> | 2017-04-19 17:55:16 +0200 |
| commit | 906535b04671c84ec8731030d4968570d8d2a16c (patch) | |
| tree | 09d6227c9467883f2eb94b32e2b255ad59e23eaa /include/net/netfilter/nf_conntrack_helper.h | |
| parent | netfilter: nft_ct: allow to set ctnetlink event types of a connection (diff) | |
| download | linux-dev-906535b04671c84ec8731030d4968570d8d2a16c.tar.xz linux-dev-906535b04671c84ec8731030d4968570d8d2a16c.zip | |
netfilter: conntrack: move helper struct to nf_conntrack_helper.h
its definition is not needed in nf_conntrack.h.
Signed-off-by: Florian Westphal <fw@strlen.de>
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 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_conntrack_helper.h b/include/net/netfilter/nf_conntrack_helper.h index 1eaac1f4cd6a..15d746558665 100644 --- a/include/net/netfilter/nf_conntrack_helper.h +++ b/include/net/netfilter/nf_conntrack_helper.h @@ -52,6 +52,23 @@ struct nf_conntrack_helper { unsigned int queue_num; /* For user-space helpers. */ }; +/* Must be kept in sync with the classes defined by helpers */ +#define NF_CT_MAX_EXPECT_CLASSES 4 + +/* nf_conn feature for connections that have a helper */ +struct nf_conn_help { + /* Helper. if any */ + struct nf_conntrack_helper __rcu *helper; + + struct hlist_head expectations; + + /* Current number of expected connections */ + u8 expecting[NF_CT_MAX_EXPECT_CLASSES]; + + /* private helper information. */ + char data[]; +}; + struct nf_conntrack_helper *__nf_conntrack_helper_find(const char *name, u16 l3num, u8 protonum); |