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r8152: support setting rx coalesce

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Support setting the rx coalesce. Then someone could change the rx
agg timeout value through ethtool.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
hayeswang 2015-02-12 14:33:48 +08:00 committed by David S. Miller
parent 396e2e235a
commit efb3dd88f4
1 changed files with 57 additions and 0 deletions
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57
drivers/net/usb/r8152.c
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@ -3713,6 +3713,61 @@ out:
return ret;
}
static int rtl8152_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *coalesce)
{
struct r8152 *tp = netdev_priv(netdev);
switch (tp->version) {
case RTL_VER_01:
case RTL_VER_02:
return -EOPNOTSUPP;
default:
break;
}
coalesce->rx_coalesce_usecs = tp->coalesce;
return 0;
}
static int rtl8152_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *coalesce)
{
struct r8152 *tp = netdev_priv(netdev);
int ret;
switch (tp->version) {
case RTL_VER_01:
case RTL_VER_02:
return -EOPNOTSUPP;
default:
break;
}
if (coalesce->rx_coalesce_usecs > COALESCE_SLOW)
return -EINVAL;
ret = usb_autopm_get_interface(tp->intf);
if (ret < 0)
return ret;
mutex_lock(&tp->control);
if (tp->coalesce != coalesce->rx_coalesce_usecs) {
tp->coalesce = coalesce->rx_coalesce_usecs;
if (netif_running(tp->netdev) && netif_carrier_ok(netdev))
r8153_set_rx_early_timeout(tp);
}
mutex_unlock(&tp->control);
usb_autopm_put_interface(tp->intf);
return ret;
}
static struct ethtool_ops ops = {
.get_drvinfo = rtl8152_get_drvinfo,
.get_settings = rtl8152_get_settings,
@ -3726,6 +3781,8 @@ static struct ethtool_ops ops = {
.get_strings = rtl8152_get_strings,
.get_sset_count = rtl8152_get_sset_count,
.get_ethtool_stats = rtl8152_get_ethtool_stats,
.get_coalesce = rtl8152_get_coalesce,
.set_coalesce = rtl8152_set_coalesce,
.get_eee = rtl_ethtool_get_eee,
.set_eee = rtl_ethtool_set_eee,
};