netdev - Re: Bug in computing data_len in tcp

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Message-Id: <20111130.231659.1153505739102359807.davem@davemloft.net>
Date:	Wed, 30 Nov 2011 23:16:59 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	therbert@...gle.com
Cc:	eric.dumazet@...il.com, netdev@...r.kernel.org
Subject: Re: Bug in computing data_len in tcp_sendmsg?

From: Tom Herbert <therbert@...gle.com>
Date: Wed, 30 Nov 2011 20:06:09 -0800

> Actually, I think I am misinterpreting the meaning of data_len, looks
> like it is intended to return the number of bytes in the page buffer
> area

skb->len is all bytes, skb->data_len covers only segmented portion.

> (comment on the function would be have been nice ;-) ).

Patches welcome, otherwise:

http://vger.kernel.org/~davem/skb.html
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