diff options
author | hayeswang <hayeswang@realtek.com> | 2015-02-12 14:33:48 +0800 |
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committer | David S. Miller <davem@davemloft.net> | 2015-02-19 15:08:43 -0500 |
commit | efb3dd88f4490b752e3c26bbc3e40391758426d6 (patch) | |
tree | 6661e33d455856f872151ae6e1afb971d69ab0a5 /drivers/net/usb | |
parent | 396e2e235af79b39d605ad6259f366e502e21959 (diff) | |
download | op-kernel-dev-efb3dd88f4490b752e3c26bbc3e40391758426d6.zip op-kernel-dev-efb3dd88f4490b752e3c26bbc3e40391758426d6.tar.gz |
r8152: support setting rx coalesce
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>
Diffstat (limited to 'drivers/net/usb')
-rw-r--r-- | drivers/net/usb/r8152.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 5a3a689..5065538 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -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, }; |