From: John Heffner <[EMAIL PROTECTED]>
Date: Mon, 05 Feb 2007 16:58:18 -0500

> This is especially important with TSO enabled.  Currently, it will send 
> a burst of up to 64k at the end of a connection, even when cwnd is much 
> smaller than 64k.  This patch still lets out empty FIN packets, but does 
> not apply the special case to FINs carrying data.

Good catch John.

But I think the correct test on skb->len would be to just make
sure that it is <= REAL_MSS.

What do you think about that?  This would match the original intention
of the logic in the pre-TSO days.
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