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net: allocate tx queues in register_netdevice

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This patch introduces netif_alloc_netdev_queues which is called from
register_device instead of alloc_netdev_mq.  This makes TX queue
allocation symmetric with RX allocation.  Also, queue locks allocation
is done in netdev_init_one_queue.  Change set_real_num_tx_queues to
fail if requested number < 1 or greater than number of allocated
queues.

Signed-off-by: Tom Herbert <therbert@google.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert
2010-10-18 18:04:39 +00:00
committed by David S. Miller
parent bd25fa7ba5
commit e6484930d7
2 changed files with 55 additions and 55 deletions
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4
include/linux/netdevice.h
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@@ -1696,8 +1696,8 @@ static inline int netif_is_multiqueue(const struct net_device *dev)
return dev->num_tx_queues > 1;
}
extern void netif_set_real_num_tx_queues(struct net_device *dev,
unsigned int txq);
extern int netif_set_real_num_tx_queues(struct net_device *dev,
unsigned int txq);
#ifdef CONFIG_RPS
extern int netif_set_real_num_rx_queues(struct net_device *dev,