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authorIngo Molnar <mingo@elte.hu>2010-05-03 09:17:01 +0200
committerIngo Molnar <mingo@elte.hu>2010-05-03 09:17:01 +0200
commit53ba4f2fa73225113a488584df0d85d3cba52943 (patch)
treed85b984d9818abc3ccc0237eb53b710d9e96c39e /drivers/net/e1000/e1000_ethtool.c
parentlockstat: Make lockstat counting per cpu (diff)
parentLinux 2.6.34-rc6 (diff)
downloadlinux-53ba4f2fa73225113a488584df0d85d3cba52943.tar.xz
linux-53ba4f2fa73225113a488584df0d85d3cba52943.zip
Merge commit 'v2.6.34-rc6' into core/locking
Diffstat (limited to 'drivers/net/e1000/e1000_ethtool.c')
-rw-r--r--drivers/net/e1000/e1000_ethtool.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index 13e9ece16889..c67e93117271 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -215,6 +215,23 @@ static int e1000_set_settings(struct net_device *netdev,
return 0;
}
+static u32 e1000_get_link(struct net_device *netdev)
+{
+ struct e1000_adapter *adapter = netdev_priv(netdev);
+
+ /*
+ * If the link is not reported up to netdev, interrupts are disabled,
+ * and so the physical link state may have changed since we last
+ * looked. Set get_link_status to make sure that the true link
+ * state is interrogated, rather than pulling a cached and possibly
+ * stale link state from the driver.
+ */
+ if (!netif_carrier_ok(netdev))
+ adapter->hw.get_link_status = 1;
+
+ return e1000_has_link(adapter);
+}
+
static void e1000_get_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
@@ -1892,7 +1909,7 @@ static const struct ethtool_ops e1000_ethtool_ops = {
.get_msglevel = e1000_get_msglevel,
.set_msglevel = e1000_set_msglevel,
.nway_reset = e1000_nway_reset,
- .get_link = ethtool_op_get_link,
+ .get_link = e1000_get_link,
.get_eeprom_len = e1000_get_eeprom_len,
.get_eeprom = e1000_get_eeprom,
.set_eeprom = e1000_set_eeprom,