From 2a1af5d7dfd809b16fb69f3f0fc073d9b6b7c6ac Mon Sep 17 00:00:00 2001 From: Jeff Kirsher Date: Thu, 2 Mar 2006 18:20:43 -0800 Subject: [PATCH] e1000: Add performance enahancement by balancing TX and RX Signed-off-by: Jeff Kirsher Signed-off-by: Jesse Brandeburg Signed-off-by: John Ronciak --- drivers/net/e1000/e1000_main.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 58561a4955e3..e80378a220d4 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; -- GitLab