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net: Discard and warn about LRO'd skbs received for forwarding

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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>
This commit is contained in:
Ben Hutchings
2008-06-19 16:22:28 -07:00
committed by David S. Miller
parent 0187bdfb05
commit 4497b0763c
5 changed files with 29 additions and 1 deletions
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2
net/bridge/br_forward.c
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@@ -89,7 +89,7 @@ void br_deliver(const struct net_bridge_port *to, struct sk_buff *skb)
/* called with rcu_read_lock */
void br_forward(const struct net_bridge_port *to, struct sk_buff *skb)
{
if (should_deliver(to, skb)) {
if (!skb_warn_if_lro(skb) && should_deliver(to, skb)) {
__br_forward(to, skb);
return;
}