diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-09-15 12:18:15 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-15 12:18:15 +0200 |
| commit | dca2d6ac09d9ef59ff46820d4f0c94b08a671202 (patch) | |
| tree | fdec753b842dad09e3a4151954fab3eb5c43500d /drivers/net/e1000/e1000_ethtool.c | |
| parent | d6a65dffb30d8636b1e5d4c201564ef401a246cf (diff) | |
| parent | 18240904960a39e582ced8ba8ececb10b8c22dd3 (diff) | |
Merge branch 'linus' into tracing/hw-breakpoints
Conflicts:
arch/x86/kernel/process_64.c
Semantic conflict fixed in:
arch/x86/kvm/x86.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/net/e1000/e1000_ethtool.c')
| -rw-r--r-- | drivers/net/e1000/e1000_ethtool.c | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index c854c96f5ab..27f996a2010 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -1904,6 +1904,53 @@ static int e1000_phys_id(struct net_device *netdev, u32 data) return 0; } +static int e1000_get_coalesce(struct net_device *netdev, + struct ethtool_coalesce *ec) +{ + struct e1000_adapter *adapter = netdev_priv(netdev); + + if (adapter->hw.mac_type < e1000_82545) + return -EOPNOTSUPP; + + if (adapter->itr_setting <= 3) + ec->rx_coalesce_usecs = adapter->itr_setting; + else + ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; + + return 0; +} + +static int e1000_set_coalesce(struct net_device *netdev, + struct ethtool_coalesce *ec) +{ + struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; + + if (hw->mac_type < e1000_82545) + return -EOPNOTSUPP; + + if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || + ((ec->rx_coalesce_usecs > 3) && + (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || + (ec->rx_coalesce_usecs == 2)) + return -EINVAL; + + if (ec->rx_coalesce_usecs <= 3) { + adapter->itr = 20000; + adapter->itr_setting = ec->rx_coalesce_usecs; + } else { + adapter->itr = (1000000 / ec->rx_coalesce_usecs); + adapter->itr_setting = adapter->itr & ~3; + } + + if (adapter->itr_setting != 0) + ew32(ITR, 1000000000 / (adapter->itr * 256)); + else + ew32(ITR, 0); + + return 0; +} + static int e1000_nway_reset(struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); @@ -1978,7 +2025,9 @@ static const struct ethtool_ops e1000_ethtool_ops = { .get_strings = e1000_get_strings, .phys_id = e1000_phys_id, .get_ethtool_stats = e1000_get_ethtool_stats, - .get_sset_count = e1000_get_sset_count, + .get_sset_count = e1000_get_sset_count, + .get_coalesce = e1000_get_coalesce, + .set_coalesce = e1000_set_coalesce, }; void e1000_set_ethtool_ops(struct net_device *netdev) |