netdev - pktgen scripts

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Date:	Wed, 13 May 2015 15:02:37 +0200
From:	Jesper Dangaard Brouer <brouer@...hat.com>
To:	Alexei Starovoitov <ast@...mgrid.com>,
	Daniel Borkmann <borkmann@...earbox.net>
Cc:	brouer@...hat.com,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Pablo Neira Ayuso <pablo@...filter.org>,
	Ben Hutchings <ben@...adent.org.uk>,
	Robert Olsson <robert@...julf.net>,
	Ben Greear <greearb@...delatech.com>
Subject: pktgen scripts

Hi Alexei,

I've cleaned up my pktgen scripts[1].  Do you think we should add them
instead of the sample scripts in "samples/pktgen/pktgen.conf-*" ?

The main difference is I'm replacing the "pgset" with functions not
needing global variable $PGDEV.  Three new functions reflect pktgen's
different components:
 * pg_ctrl()   control "pgctrl" (/proc/net/pktgen/pgctrl)
 * pg_thread() control the kernel threads and binding to devices
 * pg_set()    control setup of individual devices

I've named the sample scripts: "pktgen_sample{01,02,03}_desc.sh" in-order
to suggest a reading order.
I've also added a script named: "pktgen_bench_xmit_mode_netif_receive.sh"
which is basically your ingress benchmarking script.

[1] https://github.com/netoptimizer/network-testing/tree/master/pktgen
-- 
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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