netdev - Re: [RFC PATCHv2] printk: add the %pM, %p4, %p6 format specifiers

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Message-Id: <1225090765.3746.7.camel@johannes.berg>
Date:	Mon, 27 Oct 2008 07:59:25 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Harvey Harrison <harvey.harrison@...il.com>
Cc:	David Miller <davem@...emloft.net>, anders@...uras.de,
	netdev@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCHv2] printk: add the %pM, %p4, %p6 format specifiers

On Sun, 2008-10-26 at 17:31 -0700, Harvey Harrison wrote:
> Add format specifiers for printing out colon-separated bytes:
> 
> MAC addresses (%pM):
> xx:xx:xx:xx:xx:xx
> 
> IPv4 addresses (%p4):
> xx:xx:xx:xx

As hpa points out, the usual notation would be %d.%d.%d.%d :)

> %#pM, %#p4, %#p6 are also supported and print without the colon
> separators.

The # for ipv4 we might use for cpu-endian rather than network-endian
maybe?

Also can you keep mac/ip address patches split up so we can use my
version of the mac address patch (it's already well-tested)?

johannes

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