netdev - Re: [PATCH 2/2 respin] net_sched: Add qdisc __NET_XMIT

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Date:	Mon, 04 Aug 2008 23:31:22 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jarkao2@...il.com
Cc:	kaber@...sh.net, jussi.kivilinna@...et.fi, netdev@...r.kernel.org
Subject: Re: [PATCH 2/2 respin] net_sched: Add qdisc __NET_XMIT_BYPASS flag

From: Jarek Poplawski <jarkao2@...il.com>
Date: Tue, 5 Aug 2008 06:34:23 +0000

> NAK! You're not allowed to remove such a great comment!
> 
> BTW, I hope you've checked this enough, becouse I've some doubts
> here: this NET_XMIT_BYPASS looks wrong here but maybe it was meant
> to be some NET_RX_ code, like NET_RX_CN_HIGH?

I think it was trying to handle the cases where the
input packet called dev_queue_xmit() and that return
value funnelled back into dst_input().

But that couldn't happen, and even if it could dev_queue_xmit()
always "fixed up" NET_XMIT_BYPASS so that callers never saw it.

Really, this code was totally useless as far as I can tell.
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