From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick McHardy <kaber@trash.net>
Subject: Re: [PATCH 12/26] IPVS: Extend proto handler debug functions to handle
 IPv6.
Date: Wed, 11 Jun 2008 19:17:14 +0200
Message-ID: <4850089A.2090006@trash.net>
References: <1213204329-10973-1-git-send-email-juliusv@google.com> <1213204329-10973-13-git-send-email-juliusv@google.com>
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To: "Julius R. Volz" <juliusv@google.com>
Cc: lvs-devel@vger.kernel.org, netdev@vger.kernel.org, horms@verge.net.au, davem@davemloft.net, vbusam@google.com

Julius R. Volz wrote:
> Extend protocol handler packet debug functions for TCP, UDP, AH and ESP to
> handle IPv6. Make the main debug function call either a v4 or v6 version,
> depending on the packet protocol version.
>   

The only difference appears to be the address format and header
offset. You could save some duplication by using an af-independant
address debugging function and add a helper to get the proto offset.
Similar to how x_tables and nf_conntrack do it.