>> when linux kernel receives a packet from the netcard and the forwards it .
>> the process can be viewed as a kernel process ?
>> and if this process can be interrupted ?
>
>When a packet is received from the kernel, this is first done by an
>interrupt handler to just get the packet. Then the rest (forwarding) is
Do you mean forwarding from NIC to kernel space, or already the iptables
FORWARD chain? What about packets destined for the local machine that just hit
INPUT?
>done by a tasklet. This tasklet can be run either by the softirqd (a
>kernel thread) or at certain locations in the kernel. So this is not a
What is the name of this tasklet? ksoftirqd shows up in "ps", but no childs
for it.
Jan Engelhardt
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