netdev - Re: pktgen IP address stepping

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1292527132.29894.52.camel@Joe-Laptop>
Date:	Thu, 16 Dec 2010 11:18:52 -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 19:30 +0100, Kristian Larsson wrote:
> > I suggest using actual ipv4 addresses (and ipv6 if you ever
> > need it) as increment/mask.
> Not sure I follow you, should the stepping be specified as
> 0.0.0.213 if I would like to increase with 213 or 0.0.255.255 if
> I want to increase by a /16 at a time?

More like:

Initial IPv4 address:	0.0.0.1
Step:			0.1.0.0
Mask:			127.0.0.1

addr = (addr + step) & mask;

Cycles through all /16's below 128

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html