[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [ns] diffserv question



This is because of the modification in ns-2.1b7, you may want to download
the daily snapshot, which already has diffserv model intigrated. Thanks.

-chen xuan

On Thu, 12 Apr 2001 [email protected] wrote:

> hi all,
> When I install Nortel diffserv module in ns-2.1b7,
> error message indicates off_flags_ in dsred.cc is not declared.
> 
> void dsREDQueue::enque(Packet* pkt) {
>    int codePt, queue, prec;
>    hdr_ip* iph = hdr_ip::access(pkt);
>    codePt = iph->prio();	
>    int ecn = 0;
>    //looking up queue and prec numbers for that codept
>    lookupPHBTable(codePt, &queue, &prec);	
>     
>    // code added for ECN support
> hdr_flags* hf = (hdr_flags*)(pkt->access(off_flags_));
> 
> I don't know what's the meaning of off_flags_. 
> How to declare it?
> I tried to declare as following and it can be complied.
> Is it right?
> 
> int off_flags_;
> off_flags_=iph->offset();
> 
> 
> thanks a lot
> 
> _____________________________________________
> ���뾫Ʒ�����У���   http://shopping.263.net/category21.htm
> IP�����������ؼ�������  http://shopping.263.net/category08.htm
> 

-- 
Xuan Chen
USC/ISI