Date: Wed, 21 Dec 2005 23:31:17 -0800 (PST)
Message-Id: <20051221.233117.97061334.davem@davemloft.net>
To: coniodiago@gmail.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: Un aligned addresses
From: "David S. Miller" <davem@davemloft.net>
In-Reply-To: <993d182d0512212236u525b6f25wf1dcaae9c389537f@mail.gmail.com>
References: <993d182d0512212236u525b6f25wf1dcaae9c389537f@mail.gmail.com>
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From: Conio sandiago <coniodiago@gmail.com>
Date: Thu, 22 Dec 2005 12:06:46 +0530

> After a lot of observation ,
> i observed that i am getting un-aligned addresses of the data payload
> from the TCP/IP stack.because of this problem i always have to do
> memcpy to a word aligned buffer,because of which throughput is reduced
> significantly.

Do skb_reserve(skb, 2), before you give the buffer at
skb->data to the chip, this will align all the headers
correctly.
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