e1000: unify WoL capability detection code
WoL is constantly giving problems and needed a rewrite. Consolidates
all WoL capabilities into a single function, and disables WoL for all
other ports on the device except for port A.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index ab2f153..0403072 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -1675,14 +1675,12 @@
msleep_interruptible(4 * 1000);
}
-static void
-e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+static int e1000_wol_exclusion(struct e1000_adapter *adapter, struct ethtool_wolinfo *wol)
{
- struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
+ int retval = 1; /* fail by default */
- switch (adapter->hw.device_id) {
- case E1000_DEV_ID_82542:
+ switch (hw->device_id) {
case E1000_DEV_ID_82543GC_FIBER:
case E1000_DEV_ID_82543GC_COPPER:
case E1000_DEV_ID_82544EI_FIBER:
@@ -1690,52 +1688,86 @@
case E1000_DEV_ID_82545EM_FIBER:
case E1000_DEV_ID_82545EM_COPPER:
case E1000_DEV_ID_82546GB_QUAD_COPPER:
+ case E1000_DEV_ID_82546GB_PCIE:
+ /* these don't support WoL at all */
wol->supported = 0;
- wol->wolopts = 0;
+ break;
+ case E1000_DEV_ID_82546EB_FIBER:
+ case E1000_DEV_ID_82546GB_FIBER:
+ case E1000_DEV_ID_82571EB_FIBER:
+ case E1000_DEV_ID_82571EB_SERDES:
+ case E1000_DEV_ID_82571EB_COPPER:
+ /* Wake events not supported on port B */
+ if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
+ wol->supported = 0;
+ break;
+ }
+ /* return success for non excluded adapter ports */
+ retval = 0;
+ break;
+ case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
+ /* quad port adapters only support WoL on port A */
+ if (!adapter->quad_port_a) {
+ wol->supported = 0;
+ break;
+ }
+ /* return success for non excluded adapter ports */
+ retval = 0;
+ break;
+ default:
+ /* dual port cards only support WoL on port A from now on
+ * unless it was enabled in the eeprom for port B
+ * so exclude FUNC_1 ports from having WoL enabled */
+ if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1 &&
+ !adapter->eeprom_wol) {
+ wol->supported = 0;
+ break;
+ }
+
+ retval = 0;
+ }
+
+ return retval;
+}
+
+static void
+e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+ struct e1000_adapter *adapter = netdev_priv(netdev);
+
+ wol->supported = WAKE_UCAST | WAKE_MCAST |
+ WAKE_BCAST | WAKE_MAGIC;
+ wol->wolopts = 0;
+
+ /* this function will set ->supported = 0 and return 1 if wol is not
+ * supported by this hardware */
+ if (e1000_wol_exclusion(adapter, wol))
return;
+ /* apply any specific unsupported masks here */
+ switch (adapter->hw.device_id) {
case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
- /* device id 10B5 port-A supports wol */
- if (!adapter->ksp3_port_a) {
- wol->supported = 0;
- return;
- }
- /* KSP3 does not suppport UCAST wake-ups for any interface */
- wol->supported = WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
+ /* KSP3 does not suppport UCAST wake-ups */
+ wol->supported &= ~WAKE_UCAST;
if (adapter->wol & E1000_WUFC_EX)
DPRINTK(DRV, ERR, "Interface does not support "
"directed (unicast) frame wake-up packets\n");
- wol->wolopts = 0;
- goto do_defaults;
-
- case E1000_DEV_ID_82546EB_FIBER:
- case E1000_DEV_ID_82546GB_FIBER:
- case E1000_DEV_ID_82571EB_FIBER:
- /* Wake events only supported on port A for dual fiber */
- if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
- wol->supported = 0;
- wol->wolopts = 0;
- return;
- }
- /* Fall Through */
-
+ break;
default:
- wol->supported = WAKE_UCAST | WAKE_MCAST |
- WAKE_BCAST | WAKE_MAGIC;
- wol->wolopts = 0;
-
-do_defaults:
- if (adapter->wol & E1000_WUFC_EX)
- wol->wolopts |= WAKE_UCAST;
- if (adapter->wol & E1000_WUFC_MC)
- wol->wolopts |= WAKE_MCAST;
- if (adapter->wol & E1000_WUFC_BC)
- wol->wolopts |= WAKE_BCAST;
- if (adapter->wol & E1000_WUFC_MAG)
- wol->wolopts |= WAKE_MAGIC;
- return;
+ break;
}
+
+ if (adapter->wol & E1000_WUFC_EX)
+ wol->wolopts |= WAKE_UCAST;
+ if (adapter->wol & E1000_WUFC_MC)
+ wol->wolopts |= WAKE_MCAST;
+ if (adapter->wol & E1000_WUFC_BC)
+ wol->wolopts |= WAKE_BCAST;
+ if (adapter->wol & E1000_WUFC_MAG)
+ wol->wolopts |= WAKE_MAGIC;
+
+ return;
}
static int
@@ -1744,52 +1776,36 @@
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- switch (adapter->hw.device_id) {
- case E1000_DEV_ID_82542:
- case E1000_DEV_ID_82543GC_FIBER:
- case E1000_DEV_ID_82543GC_COPPER:
- case E1000_DEV_ID_82544EI_FIBER:
- case E1000_DEV_ID_82546EB_QUAD_COPPER:
- case E1000_DEV_ID_82546GB_QUAD_COPPER:
- case E1000_DEV_ID_82545EM_FIBER:
- case E1000_DEV_ID_82545EM_COPPER:
+ if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
+ return -EOPNOTSUPP;
+
+ if (e1000_wol_exclusion(adapter, wol))
return wol->wolopts ? -EOPNOTSUPP : 0;
+ switch (hw->device_id) {
case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
- /* device id 10B5 port-A supports wol */
- if (!adapter->ksp3_port_a)
- return wol->wolopts ? -EOPNOTSUPP : 0;
-
if (wol->wolopts & WAKE_UCAST) {
DPRINTK(DRV, ERR, "Interface does not support "
"directed (unicast) frame wake-up packets\n");
return -EOPNOTSUPP;
}
-
- case E1000_DEV_ID_82546EB_FIBER:
- case E1000_DEV_ID_82546GB_FIBER:
- case E1000_DEV_ID_82571EB_FIBER:
- /* Wake events only supported on port A for dual fiber */
- if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
- return wol->wolopts ? -EOPNOTSUPP : 0;
- /* Fall Through */
-
+ break;
default:
- if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
- return -EOPNOTSUPP;
-
- adapter->wol = 0;
-
- if (wol->wolopts & WAKE_UCAST)
- adapter->wol |= E1000_WUFC_EX;
- if (wol->wolopts & WAKE_MCAST)
- adapter->wol |= E1000_WUFC_MC;
- if (wol->wolopts & WAKE_BCAST)
- adapter->wol |= E1000_WUFC_BC;
- if (wol->wolopts & WAKE_MAGIC)
- adapter->wol |= E1000_WUFC_MAG;
+ break;
}
+ /* these settings will always override what we currently have */
+ adapter->wol = 0;
+
+ if (wol->wolopts & WAKE_UCAST)
+ adapter->wol |= E1000_WUFC_EX;
+ if (wol->wolopts & WAKE_MCAST)
+ adapter->wol |= E1000_WUFC_MC;
+ if (wol->wolopts & WAKE_BCAST)
+ adapter->wol |= E1000_WUFC_BC;
+ if (wol->wolopts & WAKE_MAGIC)
+ adapter->wol |= E1000_WUFC_MAG;
+
return 0;
}