From: Taehee Yoo <ap420...@gmail.com>
If use the ipv6_addr_is_multicast instead of xt_cluster_ipv6_is_multicast,
then we can reduce code size.
Signed-off-by: Taehee Yoo <ap420...@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
---
net/netfilter/xt_cluster.c | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/net/netfilter/xt_cluster.c b/net/netfilter/xt_cluster.c
index 0068688995c8..dfbdbb2fc0ed 100644
--- a/net/netfilter/xt_cluster.c
+++ b/net/netfilter/xt_cluster.c
@@ -60,13 +60,6 @@ xt_cluster_hash(const struct nf_conn *ct,
}
static inline bool
-xt_cluster_ipv6_is_multicast(const struct in6_addr *addr)
-{
- __be32 st = addr->s6_addr32[0];
- return ((st & htonl(0xFF000000)) == htonl(0xFF000000));
-}
-
-static inline bool
xt_cluster_is_multicast_addr(const struct sk_buff *skb, u_int8_t family)
{
bool is_multicast = false;
@@ -76,8 +69,7 @@ xt_cluster_is_multicast_addr(const struct sk_buff *skb,
u_int8_t family)
is_multicast = ipv4_is_multicast(ip_hdr(skb)->daddr);
break;
case NFPROTO_IPV6:
- is_multicast =
- xt_cluster_ipv6_is_multicast(&ipv6_hdr(skb)->daddr);
+ is_multicast = ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr);
break;
default:
WARN_ON(1);
--
2.11.0
--
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