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authorstephen hemminger <shemminger@vyatta.com>2011-11-15 08:09:14 +0000
committerDavid S. Miller <davem@davemloft.net>2011-11-16 17:32:43 -0500
commitfa2da8cdae1dd64f78fc915ca1d1a4a93c71e7cb (patch)
treee1c89ec5c3e0d2bf279c6c9f1a427949c5286baf /net/bridge
parent0284a0fdf3def1beb4de509f87472520b23883c9 (diff)
downloadlinux-fa2da8cdae1dd64f78fc915ca1d1a4a93c71e7cb.tar.bz2
bridge: correct IPv6 checksum after pull
Bridge multicast snooping of ICMPv6 would incorrectly report a checksum problem when used with Ethernet devices like sky2 that use CHECKSUM_COMPLETE. When bytes are removed from skb, the computed checksum needs to be adjusted. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Tested-by: Martin Volf <martin.volf.42@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_multicast.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 2eefe275b338..a5f4e5769809 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1501,6 +1501,8 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
__skb_pull(skb2, offset);
skb_reset_transport_header(skb2);
+ skb_postpull_rcsum(skb2, skb_network_header(skb2),
+ skb_network_header_len(skb2));
icmp6_type = icmp6_hdr(skb2)->icmp6_type;