forked from luck/tmp_suning_uos_patched
[PATCH] sky2: ethtool get/set interrupt coalescing
Add support for get/set the interrupt coalescing settings. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
parent
bdb5c58ebe
commit
fb17358fe3
@ -24,9 +24,6 @@
|
||||
*/
|
||||
|
||||
/*
|
||||
* TODO
|
||||
* - coalescing setting?
|
||||
*
|
||||
* TOTEST
|
||||
* - speed setting
|
||||
* - suspend/resume
|
||||
@ -2019,29 +2016,30 @@ static void sky2_netpoll(struct net_device *dev)
|
||||
#endif
|
||||
|
||||
/* Chip internal frequency for clock calculations */
|
||||
static inline u32 sky2_khz(const struct sky2_hw *hw)
|
||||
static inline u32 sky2_mhz(const struct sky2_hw *hw)
|
||||
{
|
||||
switch (hw->chip_id) {
|
||||
case CHIP_ID_YUKON_EC:
|
||||
case CHIP_ID_YUKON_EC_U:
|
||||
return 125000; /* 125 Mhz */
|
||||
return 125; /* 125 Mhz */
|
||||
case CHIP_ID_YUKON_FE:
|
||||
return 100000; /* 100 Mhz */
|
||||
return 100; /* 100 Mhz */
|
||||
default: /* YUKON_XL */
|
||||
return 156000; /* 156 Mhz */
|
||||
return 156; /* 156 Mhz */
|
||||
}
|
||||
}
|
||||
|
||||
static inline u32 sky2_ms2clk(const struct sky2_hw *hw, u32 ms)
|
||||
{
|
||||
return sky2_khz(hw) * ms;
|
||||
}
|
||||
|
||||
static inline u32 sky2_us2clk(const struct sky2_hw *hw, u32 us)
|
||||
{
|
||||
return (sky2_khz(hw) * us) / 1000;
|
||||
return sky2_mhz(hw) * us;
|
||||
}
|
||||
|
||||
static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk)
|
||||
{
|
||||
return clk / sky2_mhz(hw);
|
||||
}
|
||||
|
||||
|
||||
static int sky2_reset(struct sky2_hw *hw)
|
||||
{
|
||||
u32 ctst;
|
||||
@ -2169,7 +2167,7 @@ static int sky2_reset(struct sky2_hw *hw)
|
||||
/* Set the list last index */
|
||||
sky2_write16(hw, STAT_LAST_IDX, STATUS_RING_SIZE - 1);
|
||||
|
||||
sky2_write32(hw, STAT_TX_TIMER_INI, sky2_ms2clk(hw, 10));
|
||||
sky2_write32(hw, STAT_TX_TIMER_INI, sky2_us2clk(hw, 1000));
|
||||
|
||||
/* These status setup values are copied from SysKonnect's driver */
|
||||
if (is_ec_a1(hw)) {
|
||||
@ -2680,6 +2678,97 @@ static int sky2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
||||
}
|
||||
#endif
|
||||
|
||||
static int sky2_get_coalesce(struct net_device *dev,
|
||||
struct ethtool_coalesce *ecmd)
|
||||
{
|
||||
struct sky2_port *sky2 = netdev_priv(dev);
|
||||
struct sky2_hw *hw = sky2->hw;
|
||||
|
||||
if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_STOP)
|
||||
ecmd->tx_coalesce_usecs = 0;
|
||||
else {
|
||||
u32 clks = sky2_read32(hw, STAT_TX_TIMER_INI);
|
||||
ecmd->tx_coalesce_usecs = sky2_clk2us(hw, clks);
|
||||
}
|
||||
ecmd->tx_max_coalesced_frames = sky2_read16(hw, STAT_TX_IDX_TH);
|
||||
|
||||
if (sky2_read8(hw, STAT_LEV_TIMER_CTRL) == TIM_STOP)
|
||||
ecmd->rx_coalesce_usecs = 0;
|
||||
else {
|
||||
u32 clks = sky2_read32(hw, STAT_LEV_TIMER_INI);
|
||||
ecmd->rx_coalesce_usecs = sky2_clk2us(hw, clks);
|
||||
}
|
||||
ecmd->rx_max_coalesced_frames = sky2_read8(hw, STAT_FIFO_WM);
|
||||
|
||||
if (sky2_read8(hw, STAT_ISR_TIMER_CTRL) == TIM_STOP)
|
||||
ecmd->rx_coalesce_usecs_irq = 0;
|
||||
else {
|
||||
u32 clks = sky2_read32(hw, STAT_ISR_TIMER_INI);
|
||||
ecmd->rx_coalesce_usecs_irq = sky2_clk2us(hw, clks);
|
||||
}
|
||||
|
||||
ecmd->rx_max_coalesced_frames_irq = sky2_read8(hw, STAT_FIFO_ISR_WM);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Note: this affect both ports */
|
||||
static int sky2_set_coalesce(struct net_device *dev,
|
||||
struct ethtool_coalesce *ecmd)
|
||||
{
|
||||
struct sky2_port *sky2 = netdev_priv(dev);
|
||||
struct sky2_hw *hw = sky2->hw;
|
||||
const u32 tmin = sky2_clk2us(hw, 1);
|
||||
const u32 tmax = 5000;
|
||||
|
||||
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))
|
||||
return -EINVAL;
|
||||
|
||||
if (ecmd->tx_max_coalesced_frames > 0xffff)
|
||||
return -EINVAL;
|
||||
if (ecmd->rx_max_coalesced_frames > 0xff)
|
||||
return -EINVAL;
|
||||
if (ecmd->rx_max_coalesced_frames_irq > 0xff)
|
||||
return -EINVAL;
|
||||
|
||||
if (ecmd->tx_coalesce_usecs == 0)
|
||||
sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP);
|
||||
else {
|
||||
sky2_write32(hw, STAT_TX_TIMER_INI,
|
||||
sky2_us2clk(hw, ecmd->tx_coalesce_usecs));
|
||||
sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START);
|
||||
}
|
||||
sky2_write16(hw, STAT_TX_IDX_TH, ecmd->tx_max_coalesced_frames);
|
||||
|
||||
if (ecmd->rx_coalesce_usecs == 0)
|
||||
sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_STOP);
|
||||
else {
|
||||
sky2_write32(hw, STAT_LEV_TIMER_INI,
|
||||
sky2_us2clk(hw, ecmd->rx_coalesce_usecs));
|
||||
sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START);
|
||||
}
|
||||
sky2_write8(hw, STAT_FIFO_WM, ecmd->rx_max_coalesced_frames);
|
||||
|
||||
if (ecmd->rx_coalesce_usecs_irq == 0)
|
||||
sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_STOP);
|
||||
else {
|
||||
sky2_write32(hw, STAT_TX_TIMER_INI,
|
||||
sky2_us2clk(hw, ecmd->rx_coalesce_usecs_irq));
|
||||
sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START);
|
||||
}
|
||||
sky2_write8(hw, STAT_FIFO_ISR_WM, ecmd->rx_max_coalesced_frames_irq);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void sky2_get_ringparam(struct net_device *dev,
|
||||
struct ethtool_ringparam *ering)
|
||||
{
|
||||
@ -2765,6 +2854,8 @@ static struct ethtool_ops sky2_ethtool_ops = {
|
||||
.get_rx_csum = sky2_get_rx_csum,
|
||||
.set_rx_csum = sky2_set_rx_csum,
|
||||
.get_strings = sky2_get_strings,
|
||||
.get_coalesce = sky2_get_coalesce,
|
||||
.set_coalesce = sky2_set_coalesce,
|
||||
.get_ringparam = sky2_get_ringparam,
|
||||
.set_ringparam = sky2_set_ringparam,
|
||||
.get_pauseparam = sky2_get_pauseparam,
|
||||
|
Loading…
Reference in New Issue
Block a user