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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2006-03-02 18:20:43 -0800
committerroot <root@jk-desktop.jf.intel.com>2006-03-02 18:20:43 -0800
commit2a1af5d7dfd809b16fb69f3f0fc073d9b6b7c6ac (patch)
treeaae8f3f32de4d0ca3f9bdc1dfea0d67d416a705f /drivers/net/e1000/e1000_main.c
parent85b22eb632dc75887ba99edad49307a02c2ae7ec (diff)
e1000: Add performance enahancement by balancing TX and RX
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: John Ronciak <john.ronciak@intel.com>
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
-rw-r--r--drivers/net/e1000/e1000_main.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 58561a4955e..e80378a220d 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3349,6 +3349,9 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter,
struct e1000_tx_desc *tx_desc, *eop_desc;
struct e1000_buffer *buffer_info;
unsigned int i, eop;
+#ifdef CONFIG_E1000_NAPI
+ unsigned int count = 0;
+#endif
boolean_t cleaned = FALSE;
i = tx_ring->next_to_clean;
@@ -3370,6 +3373,11 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter,
eop = tx_ring->buffer_info[i].next_to_watch;
eop_desc = E1000_TX_DESC(*tx_ring, eop);
+#ifdef CONFIG_E1000_NAPI
+#define E1000_TX_WEIGHT 64
+ /* weight of a sort for tx, to avoid endless transmit cleanup */
+ if (count++ == E1000_TX_WEIGHT) break;
+#endif
}
tx_ring->next_to_clean = i;