From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 3 Sep 2009 00:11:45 +0000 (+0000)
Subject: macvlan: add multiqueue capability
X-Git-Tag: v2.6.32-rc1~703^2~100
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c11455321f37da6fe6cc36353149f9ac9183334;p=pandora-kernel.git

macvlan: add multiqueue capability

macvlan devices are currently not multi-queue capable.

We can do that defining rtnl_link_ops method,
get_tx_queues(), called from rtnl_create_link()

This new method gets num_tx_queues/real_num_tx_queues
from lower device.

macvlan_get_tx_queues() is a copy of vlan_get_tx_queues().

Because macvlan_start_xmit() has to update netdev_queue
stats only (and not dev->stats), I chose to change
tx_errors/tx_aborted_errors accounting to tx_dropped,
since netdev_queue structure doesnt define tx_errors /
tx_aborted_errors.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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