path: root/net/ipv4/ip_forward.c
diff options
authorBen Hutchings <bhutchings@solarflare.com>2008-06-19 16:22:28 -0700
committerDavid S. Miller <davem@davemloft.net>2008-06-19 16:22:28 -0700
commit4497b0763cb1afae463f5e144c28b5d806e28b60 (patch)
tree3e86c53b5eb461eac7523885e43f36033cc03968 /net/ipv4/ip_forward.c
parent0187bdfb05674147774ca79a79942537f3ad54bd (diff)
net: Discard and warn about LRO'd skbs received for forwarding
Add skb_warn_if_lro() to test whether an skb was received with LRO and warn if so. Change br_forward(), ip_forward() and ip6_forward() to call it) and discard the skb if it returns true. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_forward.c')
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
index 37d36a3f33cd..da14725916d3 100644
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -56,6 +56,9 @@ int ip_forward(struct sk_buff *skb)
struct rtable *rt; /* Route we use */
struct ip_options * opt = &(IPCB(skb)->opt);
+ if (skb_warn_if_lro(skb))
+ goto drop;
if (!xfrm4_policy_check(NULL, XFRM_POLICY_FWD, skb))
goto drop;

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