From e7db38c38fe8df1d890ae772737e27308bdc5956 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?YOSHIFUJI=20Hideaki=20/=20=E5=90=89=E8=97=A4=E8=8B=B1?= =?UTF-8?q?=E6=98=8E?= <yoshfuji@linux-ipv6.org> Date: Sun, 11 Oct 2009 03:44:45 +0000 Subject: [PATCH] ipv6 sit: Fix 6rd relay address. ipv6 sit: Fix 6rd relay address. Relay's address should be extracted from real IPv6 address instead of configured prefix. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net> --- net/ipv6/sit.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 8594451c747b..193d0c6c5ce2 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -569,12 +569,12 @@ __be32 try_6rd(struct in6_addr *v6dst, struct ip_tunnel *tunnel) pbw0 = tunnel->ip6rd.prefixlen >> 5; pbi0 = tunnel->ip6rd.prefixlen & 0x1f; - d = (ntohl(tunnel->ip6rd.prefix.s6_addr32[pbw0]) << pbi0) >> + d = (ntohl(v6dst->s6_addr32[pbw0]) << pbi0) >> tunnel->ip6rd.relay_prefixlen; pbi1 = pbi0 - tunnel->ip6rd.relay_prefixlen; if (pbi1 > 0) - d |= ntohl(tunnel->ip6rd.prefix.s6_addr32[pbw0 + 1]) >> + d |= ntohl(v6dst->s6_addr32[pbw0 + 1]) >> (32 - pbi1); dst = tunnel->ip6rd.relay_prefix | htonl(d); -- GitLab