linux-kernel - Re: [PATCH net-next,v2] hv_netvsc: Add support to set MTU reservation from guest side

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Date:	Wed, 08 Jul 2015 16:01:14 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	haiyangz@...rosoft.com
Cc:	netdev@...r.kernel.org, kys@...rosoft.com, olaf@...fle.de,
	jasowang@...hat.com, linux-kernel@...r.kernel.org,
	driverdev-devel@...uxdriverproject.org
Subject: Re: [PATCH net-next,v2] hv_netvsc: Add support to set MTU
 reservation from guest side

From: Haiyang Zhang <haiyangz@...rosoft.com>
Date: Mon,  6 Jul 2015 14:11:37 -0700

> When packet encapsulation is in use, the MTU needs to be reduced for
> headroom reservation.
> The existing code takes the updated MTU value only from the host side.
> But vSwitch extensions, such as Open vSwitch, require the flexibility
> to change the MTU to different values from within a guest during the
> lifecycle of a vNIC, when the encapsulation protocol is changed. The
> patch supports this kind of MTU changes.
> 
> Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
> Reviewed-by: K. Y. Srinivasan <kys@...rosoft.com>

Applied, thanks.
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