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authorDavid S. Miller <davem@davemloft.net>2008-01-07 21:06:12 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-08 23:30:14 -0800
commit53e52c729cc169db82a6105fac7a166e10c2ec36 (patch)
tree0cc27895f3a5ce7c73c1ed3d12beed3fa9ff5907 /drivers/net/e1000
parentfed17f3094b960d3a54b10f17abbe4b57e976eec (diff)
[NET]: Make ->poll() breakout consistent in Intel ethernet drivers.
This makes the ->poll() routines of the E100, E1000, E1000E, IXGB, and IXGBE drivers complete ->poll() consistently. Now they will all break out when the amount of RX work done is less than 'budget'. At a later time, we may want put back code to include the TX work as well (as at least one other NAPI driver does, but by in large NAPI drivers do not do this). But if so, it should be done consistently across the board to all of these drivers. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Auke Kok <auke-jan.h.kok@intel.com>
Diffstat (limited to 'drivers/net/e1000')
-rw-r--r--drivers/net/e1000/e1000_main.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 9de71443ef8..13d57b0a88f 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3919,7 +3919,7 @@ e1000_clean(struct napi_struct *napi, int budget)
{
struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
struct net_device *poll_dev = adapter->netdev;
- int tx_cleaned = 0, work_done = 0;
+ int work_done = 0;
/* Must NOT use netdev_priv macro here. */
adapter = poll_dev->priv;
@@ -3929,16 +3929,16 @@ e1000_clean(struct napi_struct *napi, int budget)
* simultaneously. A failure obtaining the lock means
* tx_ring[0] is currently being cleaned anyway. */
if (spin_trylock(&adapter->tx_queue_lock)) {
- tx_cleaned = e1000_clean_tx_irq(adapter,
- &adapter->tx_ring[0]);
+ e1000_clean_tx_irq(adapter,
+ &adapter->tx_ring[0]);
spin_unlock(&adapter->tx_queue_lock);
}
adapter->clean_rx(adapter, &adapter->rx_ring[0],
&work_done, budget);
- /* If no Tx and not enough Rx work done, exit the polling mode */
- if ((!tx_cleaned && (work_done == 0))) {
+ /* If budget not fully consumed, exit the polling mode */
+ if (work_done < budget) {
if (likely(adapter->itr_setting & 3))
e1000_set_itr(adapter);
netif_rx_complete(poll_dev, napi);