netdev - Re: [PATCH 6/7] hvsock: introduce Hyper-V VM Sockets feature

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Date:	Tue, 7 Jul 2015 11:31:12 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Dexuan Cui <decui@...rosoft.com>
Cc:	gregkh@...uxfoundation.org, davem@...emloft.net,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	driverdev-devel@...uxdriverproject.org, olaf@...fle.de,
	apw@...onical.com, jasowang@...hat.com, kys@...rosoft.com,
	haiyangz@...rosoft.com
Subject: Re: [PATCH 6/7] hvsock: introduce Hyper-V VM Sockets feature

On Mon,  6 Jul 2015 07:47:29 -0700
Dexuan Cui <decui@...rosoft.com> wrote:

> Hyper-V VM sockets (hvsock) supplies a byte-stream based communication
> mechanism between the host and a guest. It's kind of TCP over VMBus, but
> the transportation layer (VMBus) is much simpler than IP. With Hyper-V VM
> Sockets, applications between the host and a guest can talk with each
> other directly by the traditional BSD-style socket APIs.
> 
> Hyper-V VM Sockets is only available on Windows 10 host and later. The
> patch implements the necessary support in the guest side by introducing
> a new socket address family AF_HYPERV.
> 
> Signed-off-by: Dexuan Cui <decui@...rosoft.com>

Is there any chance that AF_VSOCK could be used with different transport
for VMware and Hyper-V. Better to make guest applications host independent.
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