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authorStephen Hemminger <shemminger@osdl.org>2006-10-09 15:49:27 -0700
committerJeff Garzik <jeff@garzik.org>2006-10-11 04:07:45 -0400
commit6e532cfe49b6e961e1260642a44959b645e9ab54 (patch)
tree4e04ee6db5cef2fc0ec9f48e074c2077f77b54fb
parent7bd656d12119708b37414bf909ab2995473da818 (diff)
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op-kernel-dev-6e532cfe49b6e961e1260642a44959b645e9ab54.tar.gz
[PATCH] sky2: set lower pause threshold to prevent overrun
Adjust the pause threshold on slower systems to keep from getting overrun. Since FIFO is 2K bytes, don't send XON pause until there is space for a full frame. Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r--drivers/net/sky2.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 1f91f30..c10e7f5 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -683,7 +683,7 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
sky2_write16(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_OPER_ON);
if (hw->chip_id == CHIP_ID_YUKON_EC_U) {
- sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 768/8);
+ sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 512/8);
sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8);
if (hw->dev[port]->mtu > ETH_DATA_LEN) {
/* set Tx GMAC FIFO Almost Empty Threshold */
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