From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 27 Sep 2010 08:24:33 +0000 (+0000)
Subject: net: Allow changing number of RX queues after device allocation
X-Git-Tag: v2.6.37-rc1~147^2~340
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=62fe0b40abb3484413800edaef9b087a20059acf;p=pandora-kernel.git

net: Allow changing number of RX queues after device allocation

For RPS, we create a kobject for each RX queue based on the number of
queues passed to alloc_netdev_mq().  However, drivers generally do not
determine the numbers of hardware queues to use until much later, so
this usually represents the maximum number the driver may use and not
the actual number in use.

For TX queues, drivers can update the actual number using
netif_set_real_num_tx_queues().  Add a corresponding function for RX
queues, netif_set_real_num_rx_queues().

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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