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authorHerbert Xu <herbert@gondor.apana.org.au>2007-04-09 20:59:39 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-26 07:28:43 +0200
commit604763722c655c7e3f31ecf6f7b4dafcd26a7a15 (patch)
treea5c07f0e22ac86e7ca7a8c80bd3f111116610edd /net/ipv6/raw.c
parent[NETDRV]: Perform missing csum_offset conversions (diff)
downloadlinux-604763722c655c7e3f31ecf6f7b4dafcd26a7a15.tar.xz
linux-604763722c655c7e3f31ecf6f7b4dafcd26a7a15.zip
[NET]: Treat CHECKSUM_PARTIAL as CHECKSUM_UNNECESSARY
When a transmitted packet is looped back directly, CHECKSUM_PARTIAL maps to the semantics of CHECKSUM_UNNECESSARY. Therefore we should treat it as such in the stack. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/raw.c')
-rw-r--r--net/ipv6/raw.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 2b3be68b70a7..f65fcd7704ca 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -368,7 +368,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
skb->len, inet->num, skb->csum))
skb->ip_summed = CHECKSUM_UNNECESSARY;
}
- if (skb->ip_summed != CHECKSUM_UNNECESSARY)
+ if (!skb_csum_unnecessary(skb))
skb->csum = ~csum_unfold(csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
&ipv6_hdr(skb)->daddr,
skb->len,
@@ -421,7 +421,7 @@ static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
msg->msg_flags |= MSG_TRUNC;
}
- if (skb->ip_summed==CHECKSUM_UNNECESSARY) {
+ if (skb_csum_unnecessary(skb)) {
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
} else if (msg->msg_flags&MSG_TRUNC) {
if (__skb_checksum_complete(skb))