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[IPV6]: Fix raw socket hardware checksum failures 

When packets hit raw sockets the csum update isn't done yet, do it manually.
Packets can also reach rawv6_rcv on the output path through
ip6_call_ra_chain, in this case skb->ip_summed is CHECKSUM_NONE and this
codepath isn't executed.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2005-08-16 20:39:38 -07:00 committed by David S. Miller
parent 12aaa0855b
commit 793245eeb9
1 changed files with 2 additions and 0 deletions
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2
net/ipv6/raw.c
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@ -328,6 +328,8 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
if (skb->ip_summed != CHECKSUM_UNNECESSARY) { if (skb->ip_summed != CHECKSUM_UNNECESSARY) {
if (skb->ip_summed == CHECKSUM_HW) { if (skb->ip_summed == CHECKSUM_HW) {
skb_postpull_rcsum(skb, skb->nh.raw,
skb->h.raw - skb->nh.raw);
skb->ip_summed = CHECKSUM_UNNECESSARY; skb->ip_summed = CHECKSUM_UNNECESSARY;
if (csum_ipv6_magic(&skb->nh.ipv6h->saddr, if (csum_ipv6_magic(&skb->nh.ipv6h->saddr,
&skb->nh.ipv6h->daddr, &skb->nh.ipv6h->daddr,