netdev - Re: pktgen IP address stepping

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Date:	Thu, 16 Dec 2010 10:02:12 -0800
From:	Joe Perches <joe@...ches.com>
To:	Kristian Larsson <kristian@...itelink.net>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: pktgen IP address stepping

On Thu, 2010-12-16 at 18:28 +0100, Kristian Larsson wrote:
> This patch adds the ability to set the step rate at which the source
> or destination IP address is increased when src_min / src_max or
> dst_min / dst_max is used with pktgen.
> Usage is simple, two new parameters:
>   src_step X
>   dst_step X
> where X is a positive integer (or actually an unsigned long long).
[]
> Looking forward to any feedback and / or suggestions.

I suggest using actual ipv4 addresses (and ipv6 if you ever
need it) as increment/mask.

For your current use, __u32 would work fine.

trivia:

pr_<foo> calls are already prefixed with pktgen via pr_fmt,
you don't need to add it to the format string.

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