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path: root/drivers/net/igb/igb_ethtool.c
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Diffstat (limited to 'drivers/net/igb/igb_ethtool.c')
-rw-r--r--drivers/net/igb/igb_ethtool.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 7db1830..11aee13 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -1861,6 +1861,8 @@ static int igb_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *ec)
{
struct igb_adapter *adapter = netdev_priv(netdev);
+ struct e1000_hw *hw = &adapter->hw;
+ int i;
if ((ec->rx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
((ec->rx_coalesce_usecs > 3) &&
@@ -1869,13 +1871,16 @@ static int igb_set_coalesce(struct net_device *netdev,
return -EINVAL;
/* convert to rate of irq's per second */
- if (ec->rx_coalesce_usecs <= 3)
+ if (ec->rx_coalesce_usecs && ec->rx_coalesce_usecs <= 3) {
adapter->itr_setting = ec->rx_coalesce_usecs;
- else
- adapter->itr_setting = (1000000 / ec->rx_coalesce_usecs);
+ adapter->itr = IGB_START_ITR;
+ } else {
+ adapter->itr_setting = ec->rx_coalesce_usecs << 2;
+ adapter->itr = adapter->itr_setting;
+ }
- if (netif_running(netdev))
- igb_reinit_locked(adapter);
+ for (i = 0; i < adapter->num_rx_queues; i++)
+ wr32(adapter->rx_ring[i].itr_register, adapter->itr);
return 0;
}
@@ -1888,7 +1893,7 @@ static int igb_get_coalesce(struct net_device *netdev,
if (adapter->itr_setting <= 3)
ec->rx_coalesce_usecs = adapter->itr_setting;
else
- ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
+ ec->rx_coalesce_usecs = adapter->itr_setting >> 2;
return 0;
}