From 50ee60611bf0c7328e5cae438ea5c26590f3f747 Mon Sep 17 00:00:00 2001
From: "Andrew J. Bennieston" <andrew.bennieston@citrix.com>
Date: Wed, 4 Jun 2014 10:30:45 +0100
Subject: [PATCH] xen-netfront: Add support for multiple queues

Build on the refactoring of the previous patch to implement multiple
queues between xen-netfront and xen-netback.

Check XenStore for multi-queue support, and set up the rings and event
channels accordingly.

Write ring references and event channels to XenStore in a queue
hierarchy if appropriate, or flat when using only one queue.

Update the xennet_select_queue() function to choose the queue on which
to transmit a packet based on the skb hash result.

Signed-off-by: Andrew J. Bennieston <andrew.bennieston@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
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