AcoSail/kernel_optimize_test
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[PATCH] sky2: force early transmit status

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Need to force a transmit coalesce timer restart after processing
transmit packets. Otherwise, can get transmit status after last
update and chip doesn't send the next one.

Can go with the chip defaults for coalescing timers, except for
Tx timer which needs to be bigger.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
This commit is contained in:
Stephen Hemminger 2006-02-22 11:45:01 -08:00 committed by Francois Romieu
parent a8fd6266da
commit 9a6d343188
1 changed files with 6 additions and 8 deletions
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8
drivers/net/sky2.c
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@ -1988,13 +1988,12 @@ static int sky2_poll(struct net_device *dev0, int *budget)
sky2_tx_check(hw, 0, tx_done[0]);
sky2_tx_check(hw, 1, tx_done[1]);
if (likely(work_done < to_do)) {
/* need to restart TX timer */
if (is_ec_a1(hw)) {
if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_START) {
sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP);
sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START);
}
if (likely(work_done < to_do)) {
netif_rx_complete(dev0);
hw->intr_mask |= Y2_IS_STAT_BMU;
sky2_write32(hw, B0_IMSK, hw->intr_mask);
@ -2352,8 +2351,7 @@ 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_LEV_TIMER_INI, sky2_us2clk(hw, 100));
sky2_write32(hw, STAT_ISR_TIMER_INI, sky2_us2clk(hw, 20));
sky2_write32(hw, STAT_ISR_TIMER_INI, sky2_us2clk(hw, 7));
}
/* enable status unit */