Hi,
For some per-flow queue management work I need to access TCP port
numbers of an skb inside a qdisc (i.e. in qdisc enqueue and dequeue
functions). Can I assume that skb->data always points to the head of
the IP header of the packet? If that is the case will the following
statements do the trick?
if(skb->nh.iph->protocol == IPPROTO_TCP) {
skb->h.raw = skb->data + (skb->nh.iph->ihl*4);
/* read the tcp port numbers in
* skb->h.th->source and skb->h.th->dest
*/
}
Thanks a lot for your help!
Ritesh
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