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authorFernando Fernandez Mancera <ffmancera@riseup.net>2019-06-26 12:59:19 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2019-07-05 21:34:23 +0200
commitad49d86e07a497e834cb06f2b151dccd75f8e148 (patch)
tree0321bfbb28d45223dfab095050b832bbf4a6a410 /include/net
parent6f7b841bc939e7c811ad32427b58d54edbcfa6ed (diff)
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netfilter: nf_tables: Add synproxy support
Add synproxy support for nf_tables. This behaves like the iptables synproxy target but it is structured in a way that allows us to propose improvements in the future. Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/netfilter/nf_conntrack_synproxy.h1
-rw-r--r--include/net/netfilter/nf_synproxy.h5
2 files changed, 6 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_conntrack_synproxy.h b/include/net/netfilter/nf_conntrack_synproxy.h
index c5659dcf5b1a..8f00125b06f4 100644
--- a/include/net/netfilter/nf_conntrack_synproxy.h
+++ b/include/net/netfilter/nf_conntrack_synproxy.h
@@ -2,6 +2,7 @@
#ifndef _NF_CONNTRACK_SYNPROXY_H
#define _NF_CONNTRACK_SYNPROXY_H
+#include <net/netfilter/nf_conntrack_seqadj.h>
#include <net/netns/generic.h>
struct nf_conn_synproxy {
diff --git a/include/net/netfilter/nf_synproxy.h b/include/net/netfilter/nf_synproxy.h
index 3e8b3f03b687..87d73fb5279d 100644
--- a/include/net/netfilter/nf_synproxy.h
+++ b/include/net/netfilter/nf_synproxy.h
@@ -39,6 +39,11 @@ unsigned int ipv6_synproxy_hook(void *priv, struct sk_buff *skb,
const struct nf_hook_state *nhs);
int nf_synproxy_ipv6_init(struct synproxy_net *snet, struct net *net);
void nf_synproxy_ipv6_fini(struct synproxy_net *snet, struct net *net);
+#else
+static inline int
+nf_synproxy_ipv6_init(struct synproxy_net *snet, struct net *net) { return 0; }
+static inline void
+nf_synproxy_ipv6_fini(struct synproxy_net *snet, struct net *net) {};
#endif /* CONFIG_IPV6 */
#endif /* _NF_SYNPROXY_SHARED_H */