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e1000: Report link status in ethtool when interface is down

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With this change ethtool will correctly report link status when
the interface is down. Currently ethtool reports the link as not
detected when the interface is down.

Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nick Nunley 2010-02-03 14:49:28 +00:00 committed by David S. Miller
parent 10eec95569
commit b548192aca
3 changed files with 20 additions and 2 deletions
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1
drivers/net/e1000/e1000.h
View file

@ -349,6 +349,7 @@ extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
extern void e1000_update_stats(struct e1000_adapter *adapter);
extern bool e1000_has_link(struct e1000_adapter *adapter);
extern void e1000_power_up_phy(struct e1000_adapter *);
extern void e1000_set_ethtool_ops(struct net_device *netdev);
extern void e1000_check_options(struct e1000_adapter *adapter);

19
drivers/net/e1000/e1000_ethtool.c
View file

@ -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,

2
drivers/net/e1000/e1000_main.c
View file

@ -2246,7 +2246,7 @@ static void e1000_82547_tx_fifo_stall(unsigned long data)
}
}
static bool e1000_has_link(struct e1000_adapter *adapter)
bool e1000_has_link(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
bool link_active = false;