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authorAuke Kok <auke\-jan.h.kok@intel.com>2006-08-31 14:27:51 -0700
committerAuke Kok <juke-jan.h.kok@intel.com>2006-08-31 14:27:51 -0700
commitab8ced2fb00f3a1e1b63f8c3c61ad4262308ddc0 (patch)
tree8a0c6e990588885917675197e9b6166748d72160 /drivers
parenta91bb6a8b411bdd8053601d7c2254d54670a4df6 (diff)
ixgb: recalculate after how many descriptors to wake the queue
Recalculate when to wake the queue using DESC_NEEDED instead of a static hardcoded number. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ixgb/ixgb.h3
-rw-r--r--drivers/net/ixgb/ixgb_main.c2
2 files changed, 1 insertions, 4 deletions
diff --git a/drivers/net/ixgb/ixgb.h b/drivers/net/ixgb/ixgb.h
index 82b67af54c9..a4bee8cafa5 100644
--- a/drivers/net/ixgb/ixgb.h
+++ b/drivers/net/ixgb/ixgb.h
@@ -110,9 +110,6 @@ struct ixgb_adapter;
#define IXGB_RXBUFFER_8192 8192
#define IXGB_RXBUFFER_16384 16384
-/* How many Tx Descriptors do we need to call netif_wake_queue? */
-#define IXGB_TX_QUEUE_WAKE 16
-
/* How many Rx Buffers do we bundle into one write to the hardware ? */
#define IXGB_RX_BUFFER_WRITE 4 /* Must be power of 2 */
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index fee4c5aac31..960b44b5b02 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -1787,7 +1787,7 @@ ixgb_clean_tx_irq(struct ixgb_adapter *adapter)
if (unlikely(netif_queue_stopped(netdev))) {
spin_lock(&adapter->tx_lock);
if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev) &&
- (IXGB_DESC_UNUSED(tx_ring) > IXGB_TX_QUEUE_WAKE))
+ (IXGB_DESC_UNUSED(tx_ring) >= DESC_NEEDED))
netif_wake_queue(netdev);
spin_unlock(&adapter->tx_lock);
}