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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 /drivers/net/sky2.c
parent7bd656d12119708b37414bf909ab2995473da818 (diff)
downloadblackbird-op-linux-6e532cfe49b6e961e1260642a44959b645e9ab54.tar.gz
blackbird-op-linux-6e532cfe49b6e961e1260642a44959b645e9ab54.zip
[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>
Diffstat (limited to 'drivers/net/sky2.c')
-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 1f91f30f4c6d..c10e7f5faa5f 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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