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e1000e: restore flow control settings properly

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After a cable unplug the forced flow control settings were lost
accidentally and the flow control settings fell back to the default
EEPROM determined values. This breaks for people who want to
run without fc enabled - after a cable reset the driver would
refuse to run with fc disabled.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Auke Kok 2007-10-05 15:22:02 -07:00 committed by David S. Miller
parent 4e6c709c5a
commit 309af40b5f
3 changed files with 11 additions and 3 deletions
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1
drivers/net/e1000e/ethtool.c
View file

@ -301,6 +301,7 @@ static int e1000_set_pauseparam(struct net_device *netdev,
hw->mac.original_fc = hw->mac.fc;
if (adapter->fc_autoneg == AUTONEG_ENABLE) {
hw->mac.fc = e1000_fc_default;
if (netif_running(adapter->netdev)) {
e1000e_down(adapter);
e1000e_up(adapter);

6
drivers/net/e1000e/lib.c
View file

@ -639,9 +639,15 @@ s32 e1000e_setup_link(struct e1000_hw *hw)
if (e1000_check_reset_block(hw))
return 0;
/*
* If flow control is set to default, set flow control based on
* the EEPROM flow control settings.
*/
if (mac->fc == e1000_fc_default) {
ret_val = e1000_set_default_fc_generic(hw);
if (ret_val)
return ret_val;
}
/* We want to save off the original Flow Control configuration just
* in case we get disconnected and then reconnected into a different

1
drivers/net/e1000e/netdev.c
View file

@ -4195,6 +4195,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
/* Initialize link parameters. User can change them with ethtool */
adapter->hw.mac.autoneg = 1;
adapter->fc_autoneg = 1;
adapter->hw.mac.original_fc = e1000_fc_default;
adapter->hw.mac.fc = e1000_fc_default;
adapter->hw.phy.autoneg_advertised = 0x2f;