Re: Dropping packets, general kernel hacking (newbie questions)

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sat, 23 Aug 1997 18:30:30 +0100 (BST)


> delay = ipfw (GET_DELAY)
> if (delay) {
> pktdesc = kmalloc (...);
> pktdesc.timer.func = continue_sending;
> pktdesc.timer.time = jiffies + delay;
> pktdesc.timer.data = (long) pktdesc;
> pktdesc.packet = skb;
> add_timer (pktdesc.timer);
> return;

And if the sk_buff is freed before the timer goes off ? Thats why
I said you had to be careful and to do it at the driver layer..