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netdev: Allocate multiple queues for TX.

Browse source 
alloc_netdev_mq() now allocates an array of netdev_queue
structures for TX, based upon the queue_count argument.

Furthermore, all accesses to the TX queues are now vectored
through the netdev_get_tx_queue() and netdev_for_each_tx_queue()
interfaces.  This makes it easy to grep the tree for all
things that want to get to a TX queue of a net device.

Problem spots which are not really multiqueue aware yet, and
only work with one queue, can easily be spotted by grepping
for all netdev_get_tx_queue() calls that pass in a zero index.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-07-17 00:34:19 -07:00
parent 070825b384
commit e8a0464cc9
18 changed files with 320 additions and 137 deletions
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4
net/sched/cls_api.c
View file

@ -166,7 +166,7 @@ replay:
/* Find qdisc */
if (!parent) {
struct netdev_queue *dev_queue = &dev->tx_queue;
struct netdev_queue *dev_queue = netdev_get_tx_queue(dev, 0);
q = dev_queue->qdisc_sleeping;
parent = q->handle;
} else {
@ -410,7 +410,7 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
if ((dev = dev_get_by_index(&init_net, tcm->tcm_ifindex)) == NULL)
return skb->len;
dev_queue = &dev->tx_queue;
dev_queue = netdev_get_tx_queue(dev, 0);
if (!tcm->tcm_parent)
q = dev_queue->qdisc_sleeping;
else