linux-kernel - Re: [PATCH 2/4] fib_trie: improve output format for /proc/net/fib

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Message-Id: <20080212182823.6f8a3a12.akpm@linux-foundation.org>
Date:	Tue, 12 Feb 2008 18:28:23 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 2/4] fib_trie: improve output format for
 /proc/net/fib_trie

On Tue, 12 Feb 2008 16:50:44 -0800 Stephen Hemminger <shemminger@...tta.com> wrote:

> Make output format prettier (more tree like).
> 
>    <local>:
>    --- 0.0.0.0/0
>      |--- 10.111.111.0/24
>      |  +-- 10.111.111.0/32 link broadcast
>      |  |--- 10.111.111.254/31
>      |  |  +-- 10.111.111.254/32 host local
>      |  |  +-- 10.111.111.255/32 link broadcast
>      |--- 127.0.0.0/8
>      |  |--- 127.0.0.0/31
>      |  |  +-- 127.0.0.0/32 link broadcast
>      |  |  +-- 127.0.0.0/8 host local
>      |  |  +-- 127.0.0.1/32 host local
>      |  +-- 127.255.255.255/32 link broadcast
>      |--- 192.168.1.0/24
>      |  |--- 192.168.1.0/28
>      |  |  +-- 192.168.1.0/32 link broadcast
>      |  |  +-- 192.168.1.9/32 host local
>      |  +-- 192.168.1.255/32 link broadcast
>    <main>:
>    --- 0.0.0.0/0
>      |--- 0.0.0.0/4
>      |  +-- 0.0.0.0/0 universe unicast
>      |  +-- 10.111.111.0/24 link unicast
>      +-- 169.254.0.0/16 link unicast
>      +-- 192.168.1.0/24 link unicast

isn't that a non-back-compatible kernel ABI change?  It might
break pre-existing parsers?

aside: how lame are we to put pretty-printers in the kernel?
English-only ones, at that?  Root cause: kernel developers still
don't have a sufficiently easy way of shipping userspace tools.
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