From ed5c2b0b78e5467f7948bef92b21f3c76823f392 Mon Sep 17 00:00:00 2001 From: Bruce Allan Date: Wed, 24 Nov 2010 06:01:25 +0000 Subject: [PATCH] e1000e: 82574/82583 performance improvement Increasing the transmit fifo by 4K (by decreasing the receive fifo size specified in .pba by the same amount) increases Tx performance. Signed-off-by: Bruce Allan Tested-by: Emil Tantilov Signed-off-by: Jeff Kirsher --- drivers/net/e1000e/82571.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c index 6942e2f86eac..280d41fc2a2d 100644 --- a/drivers/net/e1000e/82571.c +++ b/drivers/net/e1000e/82571.c @@ -2005,7 +2005,7 @@ struct e1000_info e1000_82574_info = { | FLAG_HAS_AMT | FLAG_HAS_CTRLEXT_ON_LOAD, .flags2 = FLAG2_CHECK_PHY_HANG, - .pba = 36, + .pba = 32, .max_hw_frame_size = DEFAULT_JUMBO, .get_variants = e1000_get_variants_82571, .mac_ops = &e82571_mac_ops, @@ -2022,7 +2022,7 @@ struct e1000_info e1000_82583_info = { | FLAG_HAS_SMART_POWER_DOWN | FLAG_HAS_AMT | FLAG_HAS_CTRLEXT_ON_LOAD, - .pba = 36, + .pba = 32, .max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN, .get_variants = e1000_get_variants_82571, .mac_ops = &e82571_mac_ops,