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authorHerbert Xu <herbert@gondor.apana.org.au>2006-09-28 06:03:36 +0400
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-29 05:02:45 +0400
commit1a9e9ef684ec2bd27fcdb373a82957a0c050daf6 (patch)
treeffe9696b24a6d62de6c61f20233224e7f8aefcb6 /net
parent8122adf06e6f93ae608cf8227e878cc44f4a8fd1 (diff)
downloadlinux-1a9e9ef684ec2bd27fcdb373a82957a0c050daf6.tar.xz
[IPV6]: Disable SG for GSO unless we have checksum
Because the system won't turn off the SG flag for us we need to do this manually on the IPv6 path. Otherwise we will throw IPv6 packets with bad checksums at the hardware. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/ipv6_sockglue.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 4f3bb7fcc8b5..de6b91981b30 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -123,6 +123,9 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, int features)
struct ipv6hdr *ipv6h;
struct inet6_protocol *ops;
+ if (!(features & NETIF_F_HW_CSUM))
+ features &= ~NETIF_F_SG;
+
if (unlikely(skb_shinfo(skb)->gso_type &
~(SKB_GSO_UDP |
SKB_GSO_DODGY |