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[PATCH] sky2: coalescing parameters 

Change default coalescing parameters slightly, and allow wider
range of values.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Stephen Hemminger 2006-03-20 15:48:18 -08:00 committed by Jeff Garzik
parent e07b1aa8b3
commit 77b3d6a2d5
1 changed files with 6 additions and 13 deletions
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19
drivers/net/sky2.c
View File

@ -2272,7 +2272,8 @@ static int sky2_reset(struct sky2_hw *hw)
sky2_write8(hw, STAT_FIFO_ISR_WM, 16);
sky2_write32(hw, STAT_TX_TIMER_INI, sky2_us2clk(hw, 1000));
sky2_write32(hw, STAT_ISR_TIMER_INI, sky2_us2clk(hw, 7));
sky2_write32(hw, STAT_ISR_TIMER_INI, sky2_us2clk(hw, 20));
sky2_write32(hw, STAT_LEV_TIMER_INI, sky2_us2clk(hw, 100));
/* enable status unit */
sky2_write32(hw, STAT_CTRL, SC_STAT_OP_ON);
@ -2758,19 +2759,11 @@ static int sky2_set_coalesce(struct net_device *dev,
{
struct sky2_port *sky2 = netdev_priv(dev);
struct sky2_hw *hw = sky2->hw;
const u32 tmin = sky2_clk2us(hw, 1);
const u32 tmax = 5000;
const u32 tmax = sky2_clk2us(hw, 0x0ffffff);
if (ecmd->tx_coalesce_usecs != 0 &&
(ecmd->tx_coalesce_usecs < tmin || ecmd->tx_coalesce_usecs > tmax))
return -EINVAL;
if (ecmd->rx_coalesce_usecs != 0 &&
(ecmd->rx_coalesce_usecs < tmin || ecmd->rx_coalesce_usecs > tmax))
return -EINVAL;
if (ecmd->rx_coalesce_usecs_irq != 0 &&
(ecmd->rx_coalesce_usecs_irq < tmin || ecmd->rx_coalesce_usecs_irq > tmax))
if (ecmd->tx_coalesce_usecs > tmax ||
ecmd->rx_coalesce_usecs > tmax ||
ecmd->rx_coalesce_usecs_irq > tmax)
return -EINVAL;
if (ecmd->tx_max_coalesced_frames >= TX_RING_SIZE-1)