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[NET]: Hide the queue_mapping field inside netif_subqueue_stopped 

Many places get the queue_mapping field from skb to pass it to the
netif_subqueue_stopped() which will be 0 in any case.

Make the helper that works with sk_buff

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2007-10-21 17:01:56 -07:00 committed by David S. Miller
parent 4e3ab47a54
commit 668f895a85
5 changed files with 15 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
include/linux/netdevice.h
View File

@ -996,7 +996,7 @@ static inline void netif_stop_subqueue(struct net_device *dev, u16 queue_index)
*
* Check individual transmit queue of a device with multiple transmit queues.
*/
static inline int netif_subqueue_stopped(const struct net_device *dev,
static inline int __netif_subqueue_stopped(const struct net_device *dev,
u16 queue_index)
{
#ifdef CONFIG_NETDEVICES_MULTIQUEUE
@ -1007,6 +1007,11 @@ static inline int netif_subqueue_stopped(const struct net_device *dev,
#endif
}
static inline int netif_subqueue_stopped(const struct net_device *dev,
struct sk_buff *skb)
{
return __netif_subqueue_stopped(dev, skb_get_queue_mapping(skb));
}
/**
* netif_wake_subqueue - allow sending packets on subqueue

4
net/core/dev.c
View File

@ -1553,7 +1553,7 @@ gso:
return rc;
}
if (unlikely((netif_queue_stopped(dev) ||
netif_subqueue_stopped(dev, skb->queue_mapping)) &&
netif_subqueue_stopped(dev, skb)) &&
skb->next))
return NETDEV_TX_BUSY;
} while (skb->next);
@ -1692,7 +1692,7 @@ gso:
HARD_TX_LOCK(dev, cpu);
if (!netif_queue_stopped(dev) &&
!netif_subqueue_stopped(dev, skb->queue_mapping)) {
!netif_subqueue_stopped(dev, skb)) {
rc = 0;
if (!dev_hard_start_xmit(skb, dev)) {
HARD_TX_UNLOCK(dev);

4
net/core/netpoll.c
View File

@ -67,7 +67,7 @@ static void queue_process(struct work_struct *work)
local_irq_save(flags);
netif_tx_lock(dev);
if ((netif_queue_stopped(dev) ||
netif_subqueue_stopped(dev, skb->queue_mapping)) ||
netif_subqueue_stopped(dev, skb)) ||
dev->hard_start_xmit(skb, dev) != NETDEV_TX_OK) {
skb_queue_head(&npinfo->txq, skb);
netif_tx_unlock(dev);
@ -269,7 +269,7 @@ static void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
tries > 0; --tries) {
if (netif_tx_trylock(dev)) {
if (!netif_queue_stopped(dev) &&
!netif_subqueue_stopped(dev, skb->queue_mapping))
!netif_subqueue_stopped(dev, skb))
status = dev->hard_start_xmit(skb, dev);
netif_tx_unlock(dev);

6
net/core/pktgen.c
View File

@ -3383,7 +3383,7 @@ static __inline__ void pktgen_xmit(struct pktgen_dev *pkt_dev)
if ((netif_queue_stopped(odev) ||
(pkt_dev->skb &&
netif_subqueue_stopped(odev, pkt_dev->skb->queue_mapping))) ||
netif_subqueue_stopped(odev, pkt_dev->skb))) ||
need_resched()) {
idle_start = getCurUs();
@ -3400,7 +3400,7 @@ static __inline__ void pktgen_xmit(struct pktgen_dev *pkt_dev)
pkt_dev->idle_acc += getCurUs() - idle_start;
if (netif_queue_stopped(odev) ||
netif_subqueue_stopped(odev, pkt_dev->skb->queue_mapping)) {
netif_subqueue_stopped(odev, pkt_dev->skb)) {
pkt_dev->next_tx_us = getCurUs(); /* TODO */
pkt_dev->next_tx_ns = 0;
goto out; /* Try the next interface */
@ -3429,7 +3429,7 @@ static __inline__ void pktgen_xmit(struct pktgen_dev *pkt_dev)
netif_tx_lock_bh(odev);
if (!netif_queue_stopped(odev) &&
!netif_subqueue_stopped(odev, pkt_dev->skb->queue_mapping)) {
!netif_subqueue_stopped(odev, pkt_dev->skb)) {
atomic_inc(&(pkt_dev->skb->users));
retry_now:

4
net/sched/sch_teql.c
View File

@ -284,7 +284,7 @@ restart:
if (slave->qdisc_sleeping != q)
continue;
if (netif_queue_stopped(slave) ||
netif_subqueue_stopped(slave, subq) ||
__netif_subqueue_stopped(slave, subq) ||
!netif_running(slave)) {
busy = 1;
continue;
@ -294,7 +294,7 @@ restart:
case 0:
if (netif_tx_trylock(slave)) {
if (!netif_queue_stopped(slave) &&
!netif_subqueue_stopped(slave, subq) &&
!__netif_subqueue_stopped(slave, subq) &&
slave->hard_start_xmit(skb, slave) == 0) {
netif_tx_unlock(slave);
master->slaves = NEXT_SLAVE(q);