On Thursday 2010-04-01 16:03, Patrick McHardy wrote:
>>>>[detecting teed packets getting teed again by means of
>>>> iptables -A OUTPUT -j TEE]
>>>
>>> What's wrong with adding a reentrancy counter?
>>
>> Sounds like a plan.
Should we be using a percpu variable, or is a simplistic
array ok too?
static bool tee_active;
target(...)
{
if (tee_active[smp_processor_id()])
return XT_CONTINUE;
...
if (tee_tg4_route(...)) {
tee_active[cpu] = true;
ip_local_out(skb);
tee_active[cpu] = false;
}
}
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