diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2008-06-20 01:22:28 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-06-20 01:22:28 +0200 |
| commit | 4497b0763cb1afae463f5e144c28b5d806e28b60 (patch) | |
| tree | 3e86c53b5eb461eac7523885e43f36033cc03968 /net/ipv4/ip_forward.c | |
| parent | net: Disable LRO on devices that are forwarding (diff) | |
| download | linux-4497b0763cb1afae463f5e144c28b5d806e28b60.tar.xz linux-4497b0763cb1afae463f5e144c28b5d806e28b60.zip | |
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')
| -rw-r--r-- | net/ipv4/ip_forward.c | 3 |
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; |