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netdev: add more functions to netdevice ops

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This patch moves neigh_setup and hard_start_xmit into the network device ops
structure. For bisection, fix all the previously converted drivers as well.
Bonding driver took the biggest hit on this.

Added a prefetch of the hard_start_xmit in the fast path to try and reduce
any impact this would have.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger
2008-11-20 20:14:53 -08:00
committed by David S. Miller
parent 6ab33d5171
commit 008298231a
36 changed files with 183 additions and 93 deletions
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6
net/core/netpoll.c
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@@ -58,6 +58,7 @@ static void queue_process(struct work_struct *work)
while ((skb = skb_dequeue(&npinfo->txq))) {
struct net_device *dev = skb->dev;
const struct net_device_ops *ops = dev->netdev_ops;
struct netdev_queue *txq;
if (!netif_device_present(dev) || !netif_running(dev)) {
@@ -71,7 +72,7 @@ static void queue_process(struct work_struct *work)
__netif_tx_lock(txq, smp_processor_id());
if (netif_tx_queue_stopped(txq) ||
netif_tx_queue_frozen(txq) ||
dev->hard_start_xmit(skb, dev) != NETDEV_TX_OK) {
ops->ndo_start_xmit(skb, dev) != NETDEV_TX_OK) {
skb_queue_head(&npinfo->txq, skb);
__netif_tx_unlock(txq);
local_irq_restore(flags);
@@ -273,6 +274,7 @@ static void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
int status = NETDEV_TX_BUSY;
unsigned long tries;
struct net_device *dev = np->dev;
const struct net_device_ops *ops = dev->netdev_ops;
struct netpoll_info *npinfo = np->dev->npinfo;
if (!npinfo || !netif_running(dev) || !netif_device_present(dev)) {
@@ -293,7 +295,7 @@ static void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
tries > 0; --tries) {
if (__netif_tx_trylock(txq)) {
if (!netif_tx_queue_stopped(txq))
status = dev->hard_start_xmit(skb, dev);
status = ops->ndo_start_xmit(skb, dev);
__netif_tx_unlock(txq);
if (status == NETDEV_TX_OK)