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authorDavid S. Miller <davem@davemloft.net>2008-07-08 22:58:37 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-08 22:58:37 -0700
commitee609cb36220d18c0cf476b066a5ab7e6f6d3a69 (patch)
tree7b6675143c304a82ffe52943cf94e6f822da303e /net/core/dev.c
parent74d58a0c1d5b348a8d4ea9643b573a6ab455a3f3 (diff)
downloadlinux-ee609cb36220d18c0cf476b066a5ab7e6f6d3a69.tar.bz2
netdev: Move next_sched into struct netdev_queue.
We schedule queues, not the device, for output queue processing in BH. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index ab760a954d99..d6b8d3c3e6ec 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1323,13 +1323,14 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
void __netif_schedule(struct net_device *dev)
{
if (!test_and_set_bit(__LINK_STATE_SCHED, &dev->state)) {
+ struct netdev_queue *txq = &dev->tx_queue;
unsigned long flags;
struct softnet_data *sd;
local_irq_save(flags);
sd = &__get_cpu_var(softnet_data);
- dev->next_sched = sd->output_queue;
- sd->output_queue = dev;
+ txq->next_sched = sd->output_queue;
+ sd->output_queue = txq;
raise_softirq_irqoff(NET_TX_SOFTIRQ);
local_irq_restore(flags);
}
@@ -1912,7 +1913,7 @@ static void net_tx_action(struct softirq_action *h)
}
if (sd->output_queue) {
- struct net_device *head;
+ struct netdev_queue *head;
local_irq_disable();
head = sd->output_queue;
@@ -1920,12 +1921,10 @@ static void net_tx_action(struct softirq_action *h)
local_irq_enable();
while (head) {
- struct net_device *dev = head;
- struct netdev_queue *txq;
+ struct netdev_queue *txq = head;
+ struct net_device *dev = txq->dev;
head = head->next_sched;
- txq = &dev->tx_queue;
-
smp_mb__before_clear_bit();
clear_bit(__LINK_STATE_SCHED, &dev->state);
@@ -4346,7 +4345,7 @@ static int dev_cpu_callback(struct notifier_block *nfb,
void *ocpu)
{
struct sk_buff **list_skb;
- struct net_device **list_net;
+ struct netdev_queue **list_net;
struct sk_buff *skb;
unsigned int cpu, oldcpu = (unsigned long)ocpu;
struct softnet_data *sd, *oldsd;