diff options
| author | Stephen Hemminger <shemminger@osdl.org> | 2006-10-09 18:49:27 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-10-11 04:07:45 -0400 |
| commit | 6e532cfe49b6e961e1260642a44959b645e9ab54 (patch) | |
| tree | 4e04ee6db5cef2fc0ec9f48e074c2077f77b54fb /drivers/net | |
| parent | 7bd656d12119708b37414bf909ab2995473da818 (diff) | |
[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')
| -rw-r--r-- | drivers/net/sky2.c | 2 |
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) | |||
| 683 | sky2_write16(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_OPER_ON); | 683 | sky2_write16(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_OPER_ON); |
| 684 | 684 | ||
| 685 | if (hw->chip_id == CHIP_ID_YUKON_EC_U) { | 685 | if (hw->chip_id == CHIP_ID_YUKON_EC_U) { |
| 686 | sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 768/8); | 686 | sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 512/8); |
| 687 | sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8); | 687 | sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8); |
| 688 | if (hw->dev[port]->mtu > ETH_DATA_LEN) { | 688 | if (hw->dev[port]->mtu > ETH_DATA_LEN) { |
| 689 | /* set Tx GMAC FIFO Almost Empty Threshold */ | 689 | /* set Tx GMAC FIFO Almost Empty Threshold */ |