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net: Do txq_trans_update() in netdev_start_xmit()

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That way we don't have to audit every call site to make sure it is
doing this properly.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2014-08-29 21:07:24 -07:00
parent dace1b5472
commit 10b3ad8c21
7 changed files with 19 additions and 21 deletions
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6
drivers/net/wan/dlci.c
View file

@ -192,8 +192,10 @@ static netdev_tx_t dlci_transmit(struct sk_buff *skb, struct net_device *dev)
{
struct dlci_local *dlp = netdev_priv(dev);
if (skb)
netdev_start_xmit(skb, dlp->slave);
if (skb) {
struct netdev_queue *txq = skb_get_tx_queue(dev, skb);
netdev_start_xmit(skb, dlp->slave, txq);
}
return NETDEV_TX_OK;
}

10
include/linux/netdevice.h
View file

@ -3437,11 +3437,17 @@ static inline netdev_tx_t __netdev_start_xmit(const struct net_device_ops *ops,
return ops->ndo_start_xmit(skb, dev);
}
static inline netdev_tx_t netdev_start_xmit(struct sk_buff *skb, struct net_device *dev)
static inline netdev_tx_t netdev_start_xmit(struct sk_buff *skb, struct net_device *dev,
struct netdev_queue *txq)
{
const struct net_device_ops *ops = dev->netdev_ops;
int rc;
return __netdev_start_xmit(ops, skb, dev);
rc = __netdev_start_xmit(ops, skb, dev);
if (rc == NETDEV_TX_OK)
txq_trans_update(txq);
return rc;
}
int netdev_class_create_file_ns(struct class_attribute *class_attr,

7
net/core/dev.c
View file

@ -2666,10 +2666,8 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
skb_len = skb->len;
trace_net_dev_start_xmit(skb, dev);
rc = netdev_start_xmit(skb, dev);
rc = netdev_start_xmit(skb, dev, txq);
trace_net_dev_xmit(skb, rc, dev, skb_len);
if (rc == NETDEV_TX_OK)
txq_trans_update(txq);
return rc;
}
@ -2685,7 +2683,7 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
skb_len = nskb->len;
trace_net_dev_start_xmit(nskb, dev);
rc = netdev_start_xmit(nskb, dev);
rc = netdev_start_xmit(nskb, dev, txq);
trace_net_dev_xmit(nskb, rc, dev, skb_len);
if (unlikely(rc != NETDEV_TX_OK)) {
if (rc & ~NETDEV_TX_MASK)
@ -2694,7 +2692,6 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
skb->next = nskb;
return rc;
}
txq_trans_update(txq);
if (unlikely(netif_xmit_stopped(txq) && skb->next))
return NETDEV_TX_BUSY;
} while (skb->next);

4
net/core/netpoll.c
View file

@ -91,9 +91,7 @@ static int netpoll_start_xmit(struct sk_buff *skb, struct net_device *dev,
skb->vlan_tci = 0;
}
status = netdev_start_xmit(skb, dev);
if (status == NETDEV_TX_OK)
txq_trans_update(txq);
status = netdev_start_xmit(skb, dev, txq);
out:
return status;

3
net/core/pktgen.c
View file

@ -3335,11 +3335,10 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
goto unlock;
}
atomic_inc(&(pkt_dev->skb->users));
ret = netdev_start_xmit(pkt_dev->skb, odev);
ret = netdev_start_xmit(pkt_dev->skb, odev, txq);
switch (ret) {
case NETDEV_TX_OK:
txq_trans_update(txq);
pkt_dev->last_ok = 1;
pkt_dev->sofar++;
pkt_dev->seq_num++;

7
net/packet/af_packet.c
View file

@ -258,11 +258,8 @@ static int packet_direct_xmit(struct sk_buff *skb)
local_bh_disable();
HARD_TX_LOCK(dev, txq, smp_processor_id());
if (!netif_xmit_frozen_or_drv_stopped(txq)) {
ret = netdev_start_xmit(skb, dev);
if (ret == NETDEV_TX_OK)
txq_trans_update(txq);
}
if (!netif_xmit_frozen_or_drv_stopped(txq))
ret = netdev_start_xmit(skb, dev, txq);
HARD_TX_UNLOCK(dev, txq);
local_bh_enable();

3
net/sched/sch_teql.c
View file

@ -316,8 +316,7 @@ static netdev_tx_t teql_master_xmit(struct sk_buff *skb, struct net_device *dev)
unsigned int length = qdisc_pkt_len(skb);
if (!netif_xmit_frozen_or_stopped(slave_txq) &&
netdev_start_xmit(skb, slave) == NETDEV_TX_OK) {
txq_trans_update(slave_txq);
netdev_start_xmit(skb, slave, slave_txq) == NETDEV_TX_OK) {
__netif_tx_unlock(slave_txq);
master->slaves = NEXT_SLAVE(q);
netif_wake_queue(dev);