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Commit 580c7d9e authored by Taehee Yoo's avatar Taehee Yoo Committed by Pablo Neira Ayuso
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netfilter: xt_cluster: get rid of xt_cluster_ipv6_is_multicast 



If use the ipv6_addr_is_multicast instead of xt_cluster_ipv6_is_multicast,
then we can reduce code size.

Signed-off-by: default avatarTaehee Yoo <ap420073@gmail.com>
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent cceae76e

net/netfilter/xt_cluster.c

+1 −9
Original line number Diff line number Diff line
@@ -59,13 +59,6 @@ xt_cluster_hash(const struct nf_conn *ct, 
	return reciprocal_scale(hash, info->total_nodes);

}



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)

{
@@ -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);