From 8672d4d1a00b59057bb1f9659259967d2a19e086 Mon Sep 17 00:00:00 2001 From: Jozsef Kadlecsik Date: Mon, 8 Apr 2013 20:54:37 +0200 Subject: netfilter: ipset: Move often used IPv6 address masking function to header file Signed-off-by: Jozsef Kadlecsik Signed-off-by: Pablo Neira Ayuso --- include/linux/netfilter/ipset/pfxlen.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'include/linux') diff --git a/include/linux/netfilter/ipset/pfxlen.h b/include/linux/netfilter/ipset/pfxlen.h index 199fd11fedc0..1afbb94b4b65 100644 --- a/include/linux/netfilter/ipset/pfxlen.h +++ b/include/linux/netfilter/ipset/pfxlen.h @@ -41,4 +41,13 @@ do { \ to = from | ~ip_set_hostmask(cidr); \ } while (0) +static inline void +ip6_netmask(union nf_inet_addr *ip, u8 prefix) +{ + ip->ip6[0] &= ip_set_netmask6(prefix)[0]; + ip->ip6[1] &= ip_set_netmask6(prefix)[1]; + ip->ip6[2] &= ip_set_netmask6(prefix)[2]; + ip->ip6[3] &= ip_set_netmask6(prefix)[3]; +} + #endif /*_PFXLEN_H */ -- cgit v1.3.1