netdev - Re: [PATCH 6/7 net-2.6.26] [TIPC]: Force linearization of non-linear sk

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Message-Id: <20080415.190424.184937043.davem@davemloft.net>
Date:	Tue, 15 Apr 2008 19:04:24 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	allan.stephens@...driver.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 6/7 net-2.6.26] [TIPC]: Force linearization of
 non-linear sk_buffs

From: Allan Stephens <allan.stephens@...driver.com>
Date: Tue, 15 Apr 2008 15:43:56 -0400

> This patch allows TIPC to process incoming messages that are
> stored in a fragmented sk_buff, by forcing the linearization
> of any such messages it receives.
> 
> Note: This is an interim solution to allow TIPC to operate with
> Ethernet devices that generate non-linear buffers (such as the
> gianfar driver), until such time as the rest of TIPC is enhanced
> to handle sk_buffs with multiple data areas.
> 
> Signed-off-by: Allan Stephens <allan.stephens@...driver.com>

Applied.

Most of the work will simply be peppering the input paths with
the necessary pskb_may_pull() calls.

The data transfer helpers all understand non-linear SKBs, so
you likely won't need to do much in that area.

In fact it should be very simple to add proper support here.

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