e1000e: add new wakeup cababilities

Ethtool supports wake-on-ARP and wake-on-link, and so does the hardware
supported by e1000e.  This patch just introduces the two.

Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 12 insertions, 2 deletions

diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h
index f2175ea46b83..6232c3e96689 100644
--- a/drivers/net/e1000e/defines.h
+++ b/drivers/net/e1000e/defines.h
@@ -63,6 +63,7 @@
 #define E1000_WUFC_EX   0x00000004 /* Directed Exact Wakeup Enable */
 #define E1000_WUFC_MC   0x00000008 /* Directed Multicast Wakeup Enable */
 #define E1000_WUFC_BC   0x00000010 /* Broadcast Wakeup Enable */
+#define E1000_WUFC_ARP  0x00000020 /* ARP Request Packet Wakeup Enable */
 
 /* Extended Device Control */
 #define E1000_CTRL_EXT_SDP7_DATA 0x00000080 /* Value of SW Defineable Pin 7 */
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 6d9c27fd0b53..9fab44463573 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -1632,7 +1632,8 @@ static void e1000_get_wol(struct net_device *netdev,
                 return;
 
         wol->supported = WAKE_UCAST | WAKE_MCAST |
-                         WAKE_BCAST | WAKE_MAGIC;
+                         WAKE_BCAST | WAKE_MAGIC |
+                         WAKE_PHY | WAKE_ARP;
 
         /* apply any specific unsupported masks here */
         if (adapter->flags & FLAG_NO_WAKE_UCAST) {
@@ -1651,6 +1652,10 @@ static void e1000_get_wol(struct net_device *netdev,
                 wol->wolopts |= WAKE_BCAST;
         if (adapter->wol & E1000_WUFC_MAG)
                 wol->wolopts |= WAKE_MAGIC;
+        if (adapter->wol & E1000_WUFC_LNKC)
+                wol->wolopts |= WAKE_PHY;
+        if (adapter->wol & E1000_WUFC_ARP)
+                wol->wolopts |= WAKE_ARP;
 }
 
 static int e1000_set_wol(struct net_device *netdev,
@@ -1658,7 +1663,7 @@ static int e1000_set_wol(struct net_device *netdev,
 {
         struct e1000_adapter *adapter = netdev_priv(netdev);
 
-        if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
+        if (wol->wolopts & WAKE_MAGICSECURE)
                 return -EOPNOTSUPP;
 
         if (!(adapter->flags & FLAG_HAS_WOL))
@@ -1675,6 +1680,10 @@ static int e1000_set_wol(struct net_device *netdev,
                 adapter->wol |= E1000_WUFC_BC;
         if (wol->wolopts & WAKE_MAGIC)
                 adapter->wol |= E1000_WUFC_MAG;
+        if (wol->wolopts & WAKE_PHY)
+                adapter->wol |= E1000_WUFC_LNKC;
+        if (wol->wolopts & WAKE_ARP)
+                adapter->wol |= E1000_WUFC_ARP;
 
         return 0;
 }