netdev - Re: [PATCH 1/3] virtio_net: pass well-formed sgs to virtqueue_add

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Message-ID: <20140903122350.1c365bee@redhat.com>
Date:	Wed, 3 Sep 2014 12:23:50 +0200
From:	Jesper Dangaard Brouer <brouer@...hat.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	brouer@...hat.com, "netdev" <netdev@...r.kernel.org>,
	Andy Lutomirski <luto@...capital.net>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH 1/3] virtio_net: pass well-formed sgs to
 virtqueue_add_*()

On Wed,  3 Sep 2014 13:59:14 +0930
Rusty Russell <rusty@...tcorp.com.au> wrote:

> pktgen results:
> 	modprobe pktgen
> 	echo 'add_device eth0' > /proc/net/pktgen/kpktgend_0
> 	echo nowait 1 > /proc/net/pktgen/eth0

Maybe your pktgen "nowait" (patch) should be a flag instead?

 echo "flag EXIT_NO_WAIT" > /proc/net/pktgen/eth0

> 	echo count 1000000 > /proc/net/pktgen/eth0
> 	echo clone_skb 100000 > /proc/net/pktgen/eth0
> 	echo dst_mac 4e:14:25:a9:30:ac > /proc/net/pktgen/eth0
> 	echo dst 192.168.1.2 > /proc/net/pktgen/eth0
> 	for i in `seq 20`; do echo start > /proc/net/pktgen/pgctrl; tail -n1 /proc/net/pktgen/eth0; done
> 


-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Sr. Network Kernel Developer at Red Hat
  Author of http://www.iptv-analyzer.org
  LinkedIn: http://www.linkedin.com/in/brouer
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