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authorFlorian Westphal <fw@strlen.de>2019-02-19 17:38:19 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2019-02-27 10:49:24 +0100
commitd1aca8ab3104aa7131f5ab144c6f586b54df084b (patch)
tree6687b7c3de0a58cec3ebb1cc9ad274f3bd351b64 /include/net
parentd824548dae220820bdf69b2d1561b7c4b072783f (diff)
netfilter: nat: merge ipv4 and ipv6 masquerade functionality
Before: text data bss dec hex filename 13916 1412 4128 19456 4c00 nf_nat.ko 4510 968 4 5482 156a nf_nat_ipv4.ko 5146 944 8 6098 17d2 nf_nat_ipv6.ko After: text data bss dec hex filename 16566 1576 4136 22278 5706 nf_nat.ko 3187 844 0 4031 fbf nf_nat_ipv4.ko 3598 844 0 4442 115a nf_nat_ipv6.ko ... so no drastic changes in combined size. 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_nat.h6
1 files changed, 2 insertions, 4 deletions
diff --git a/include/net/netfilter/nf_nat.h b/include/net/netfilter/nf_nat.h
index 8aff77cafb8b..e53b4f9b8b44 100644
--- a/include/net/netfilter/nf_nat.h
+++ b/include/net/netfilter/nf_nat.h
@@ -31,8 +31,7 @@ struct nf_conn;
/* The structure embedded in the conntrack structure. */
struct nf_conn_nat {
union nf_conntrack_nat_help help;
-#if IS_ENABLED(CONFIG_NF_NAT_MASQUERADE_IPV4) || \
- IS_ENABLED(CONFIG_NF_NAT_MASQUERADE_IPV6)
+#if IS_ENABLED(CONFIG_NF_NAT_MASQUERADE)
int masq_index;
#endif
};
@@ -61,8 +60,7 @@ static inline bool nf_nat_oif_changed(unsigned int hooknum,
struct nf_conn_nat *nat,
const struct net_device *out)
{
-#if IS_ENABLED(CONFIG_NF_NAT_MASQUERADE_IPV4) || \
- IS_ENABLED(CONFIG_NF_NAT_MASQUERADE_IPV6)
+#if IS_ENABLED(CONFIG_NF_NAT_MASQUERADE)
return nat && nat->masq_index && hooknum == NF_INET_POST_ROUTING &&
CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL &&
nat->masq_index != out->ifindex;