From: Sara Gittlin <sara.gittlin@gmail.com>
To: "Wiles, Keith" <keith.wiles@intel.com>
Cc: "users@dpdk.org" <users@dpdk.org>
Subject: Re: [dpdk-users] pktgen w pcap file
Date: Wed, 10 Jul 2019 16:41:21 +0300 [thread overview]
Message-ID: <CAA_4wjZpD=_gzDwCC_ukT+EUj99V5hs+ckw+NjMa_C3jpebWVg@mail.gmail.com> (raw)
In-Reply-To: <117A28F3-51CD-4A6B-9BC1-6EC14F346147@intel.com>
Thank you Keith
-Sara
On Wed, Jul 10, 2019 at 4:19 PM Wiles, Keith <keith.wiles@intel.com> wrote:
> The way Pktgen works is it loads the packets into memory until it fills up
> the number of buffers allocated, which I think is 8192 buffers. If you pcap
> file is more then that they are ignored.
>
> Pktgen has different modes for the transmitting packets, the PCAP is
> loaded and assign to a port, but it doe not mean they will be sent. The
> default mode is single packet mode and you have to enable PCAP file to be
> sent using the enable <portlist> pcap command. Then you have to do a start
> <portlist> on that port to send the pcap files. Each mode has its own set
> of buffers it can send, so you can switch to modes and be able to reenable
> pcap mode on a port to send the pcap buffers again.
>
> The pcap data loaded into memory will be sent over and over if you send
> more than the number of pcap packets you loaded. The way DPDK works it
> possible they will be send out of order :-(
>
> > On Jul 10, 2019, at 8:12 AM, Sara Gittlin <sara.gittlin@gmail.com>
> wrote:
> >
> > Hi all
> > I'm running the pkgen w pcap file , -s P:http.pcap
> > but i dont see any pkts in the receive side
> > Is pktgen automatically transmits the pcap after startup ? or i have to
> > manually run it from the cli ?
> > is it possible to run this pcap many times?
> > Thank you
> > -Sara
>
> Regards,
> Keith
>
>
prev parent reply other threads:[~2019-07-10 13:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-10 13:12 Sara Gittlin
2019-07-10 13:19 ` Wiles, Keith
2019-07-10 13:41 ` Sara Gittlin [this message]
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