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authorHerbert Xu <herbert@gondor.apana.org.au>2006-02-05 20:27:05 -0800
committerChris Wright <chrisw@sous-sol.org>2006-02-09 23:20:13 -0800
commit575eee6f6d5985975e2402c29fdf7410b9313d46 (patch)
treeddb33011f6484503990880af7ddf31d784f2ba5f
parent7e52f025124c75a64a59a19b0658e47b57d11aa5 (diff)
downloadlinux-linaro-stable-575eee6f6d5985975e2402c29fdf7410b9313d46.tar.gz
[PATCH] Fixed hardware RX checksum handling
When we pull the PPP protocol off the skb, we forgot to update the hardware RX checksum. This may lead to messages such as dsl0: hw csum failure. Similarly, we need to clear the hardware checksum flag when we use the existing packet to store the decompressed result. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/net/ppp_generic.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 1c6d328165bb..0245e40b51a1 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -1610,6 +1610,8 @@ ppp_receive_nonmp_frame(struct ppp *ppp, struct sk_buff *skb)
}
else if (!pskb_may_pull(skb, skb->len))
goto err;
+ else
+ skb->ip_summed = CHECKSUM_NONE;
len = slhc_uncompress(ppp->vj, skb->data + 2, skb->len - 2);
if (len <= 0) {
@@ -1690,6 +1692,7 @@ ppp_receive_nonmp_frame(struct ppp *ppp, struct sk_buff *skb)
kfree_skb(skb);
} else {
skb_pull(skb, 2); /* chop off protocol */
+ skb_postpull_rcsum(skb, skb->data - 2, 2);
skb->dev = ppp->dev;
skb->protocol = htons(npindex_to_ethertype[npi]);
skb->mac.raw = skb->data;