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authorFlorian Westphal <fw@strlen.de>2018-06-29 08:46:48 +0300
committerPablo Neira Ayuso <pablo@netfilter.org>2018-07-16 18:55:00 +0300
commit8b3892ea8718920d29432328fe9544d89a429614 (patch)
tree867f0314069695401b357bcaad285e1913756ee5 /include/net
parent6816d931cab009024b68c11c4cf752f8bf9a1e32 (diff)
downloadlinux-8b3892ea8718920d29432328fe9544d89a429614.tar.xz
netfilter: conntrack: avoid calls to l4proto invert_tuple
Handle the common cases (tcp, udp, etc). in the core and only do the indirect call for the protocols that need it (GRE for instance). Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/netfilter/nf_conntrack_l4proto.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/netfilter/nf_conntrack_l4proto.h b/include/net/netfilter/nf_conntrack_l4proto.h
index a7220eef9aee..6a55e337a161 100644
--- a/include/net/netfilter/nf_conntrack_l4proto.h
+++ b/include/net/netfilter/nf_conntrack_l4proto.h
@@ -36,7 +36,7 @@ struct nf_conntrack_l4proto {
struct net *net, struct nf_conntrack_tuple *tuple);
/* Invert the per-proto part of the tuple: ie. turn xmit into reply.
- * Some packets can't be inverted: return 0 in that case.
+ * Only used by icmp, most protocols use a generic version.
*/
bool (*invert_tuple)(struct nf_conntrack_tuple *inverse,
const struct nf_conntrack_tuple *orig);