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authorYOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>2013-01-13 06:02:45 +0100
committerDavid S. Miller <davem@davemloft.net>2013-01-14 02:17:14 +0100
commitdd3332bfcb2223458f553f341d3388cb84040e6a (patch)
treed48ba8b295ee3d08c4b4b4f8d924038ccec2c5eb /net/ipv6/exthdrs.c
parentipv6 xfrm: Use ipv6_addr_hash() in xfrm6_tunnel_spi_hash_byaddr(). (diff)
downloadlinux-dd3332bfcb2223458f553f341d3388cb84040e6a.tar.xz
linux-dd3332bfcb2223458f553f341d3388cb84040e6a.zip
ipv6: Store Router Alert option in IP6CB directly.
Router Alert option is very small and we can store the value itself in the skb. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/exthdrs.c')
-rw-r--r--net/ipv6/exthdrs.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 473f628f9f20..07a7d65a7cb6 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -553,7 +553,8 @@ static bool ipv6_hop_ra(struct sk_buff *skb, int optoff)
const unsigned char *nh = skb_network_header(skb);
if (nh[optoff + 1] == 2) {
- IP6CB(skb)->ra = optoff;
+ IP6CB(skb)->flags |= IP6SKB_ROUTERALERT;
+ memcpy(&IP6CB(skb)->ra, nh + optoff + 2, sizeof(IP6CB(skb)->ra));
return true;
}
LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_ra: wrong RA length %d\n",