xen-netback: Factor queue-specific data into queue struct

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In preparation for multi-queue support in xen-netback, move the
queue-specific data from struct xenvif into struct xenvif_queue, and
update the rest of the code to use this.

Also adds loops over queues where appropriate, even though only one is
configured at this point, and uses alloc_netdev_mq() and the
corresponding multi-queue netif wake/start/stop functions in preparation
for multiple active queues.

Finally, implements a trivial queue selection function suitable for
ndo_select_queue, which simply returns 0 for a single queue and uses
skb_get_hash() to compute the queue index otherwise.

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

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This commit is contained in:

Wei Liu

2014-06-04 10:30:42 +01:00

committed by David S. Miller

parent a55d9766ce

commit e9ce7cb6b1

4 changed files with 837 additions and 608 deletions

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drivers/net/xen-netback/netback.c

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