netdev - Re: [PATCH net-next 0/6] kcm: Kernel Connection Multiplexor (KCM)

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Message-Id: <20151123.145433.1554000376541433305.davem@davemloft.net>
Date:	Mon, 23 Nov 2015 14:54:33 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	tom@...bertland.com
Cc:	hannes@...essinduktion.org, netdev@...r.kernel.org,
	kernel-team@...com, davewatson@...com, alexei.starovoitov@...il.com
Subject: Re: [PATCH net-next 0/6] kcm: Kernel Connection Multiplexor (KCM)

From: Tom Herbert <tom@...bertland.com>
Date: Mon, 23 Nov 2015 09:33:44 -0800

> The TCP PSH flag is not defined for message delineation (neither is
> urgent pointer). We can't change that (many people have tried to add
> message semantics to TCP protocol but have always failed miserably).

Agreed.

My only gripe with kcm right now is a lack of a native sendpage.
We should be able to zero copy data through KCM streams without
any problems whatsoever.
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