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ixgbe: call ndo_stop() instead of dev_close() when running offline selftest

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Calling dev_close() causes IFF_UP to be cleared which will remove the
interfaces routes and some addresses. That's probably not what the user
intended when running the offline selftest. Besides this does not happen
if the interface is brought down before the test, so the current
behaviour is inconsistent.
Instead call the net_device_ops ndo_stop function directly and avoid
touching IFF_UP at all.

Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Stefan Assmann 2016-02-03 09:20:48 +01:00 committed by Jeff Kirsher
parent d90b5b0ec1
commit 6c211fe1e7
3 changed files with 6 additions and 4 deletions
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2
drivers/net/ethernet/intel/ixgbe/ixgbe.h
View File

@ -877,6 +877,8 @@ extern const char ixgbe_driver_version[];
extern char ixgbe_default_device_descr[];
#endif /* IXGBE_FCOE */
int ixgbe_open(struct net_device *netdev);
int ixgbe_close(struct net_device *netdev);
void ixgbe_up(struct ixgbe_adapter *adapter);
void ixgbe_down(struct ixgbe_adapter *adapter);
void ixgbe_reinit_locked(struct ixgbe_adapter *adapter);

4
drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
View File

@ -2053,7 +2053,7 @@ static void ixgbe_diag_test(struct net_device *netdev,
if (if_running)
/* indicate we're in test mode */
dev_close(netdev);
ixgbe_close(netdev);
else
ixgbe_reset(adapter);
@ -2091,7 +2091,7 @@ skip_loopback:
/* clear testing bit and return adapter to previous state */
clear_bit(__IXGBE_TESTING, &adapter->state);
if (if_running)
dev_open(netdev);
ixgbe_open(netdev);
else if (hw->mac.ops.disable_tx_laser)
hw->mac.ops.disable_tx_laser(hw);
} else {

4
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
View File

@ -5992,7 +5992,7 @@ static int ixgbe_change_mtu(struct net_device *netdev, int new_mtu)
* handler is registered with the OS, the watchdog timer is started,
* and the stack is notified that the interface is ready.
**/
static int ixgbe_open(struct net_device *netdev)
int ixgbe_open(struct net_device *netdev)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
@ -6094,7 +6094,7 @@ static void ixgbe_close_suspend(struct ixgbe_adapter *adapter)
* needs to be disabled. A global MAC reset is issued to stop the
* hardware, and all transmit and receive resources are freed.
**/
static int ixgbe_close(struct net_device *netdev)
int ixgbe_close(struct net_device *netdev)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);