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authorAuke Kok <auke-jan.h.kok@intel.com>2007-10-05 15:22:02 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:55:25 -0700
commit309af40b5f4c2065c9a5f74a360ad3d3b0c9c9cd (patch)
tree9e11fd2654cc49431097d5a66209b338fc26bf70 /drivers
parent4e6c709c5ab886be0ddbc96c4f96534e55920e68 (diff)
e1000e: restore flow control settings properly
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/e1000e/ethtool.c1
-rw-r--r--drivers/net/e1000e/lib.c12
-rw-r--r--drivers/net/e1000e/netdev.c1
3 files changed, 11 insertions, 3 deletions
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 2e8218fb0579..b7a7e2ae5e13 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -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);
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index 3bbfe605e111..0bdeca30c75f 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -639,9 +639,15 @@ s32 e1000e_setup_link(struct e1000_hw *hw)
if (e1000_check_reset_block(hw))
return 0;
- ret_val = e1000_set_default_fc_generic(hw);
- if (ret_val)
- return ret_val;
+ /*
+ * 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
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 600538bc932f..033e124d1c1f 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -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;