libertas: add ethtool support for wake-on-lan configuration

Also, check that suspend is refused if HOST_SLEEP_CFG hasn't been done.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 47 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas/ethtool.c b/drivers/net/wireless/libertas/ethtool.c
index a54b4f406af2..21e6f988ea81 100644
--- a/drivers/net/wireless/libertas/ethtool.c
+++ b/drivers/net/wireless/libertas/ethtool.c
@@ -8,6 +8,8 @@
 #include "dev.h"
 #include "join.h"
 #include "wext.h"
+#include "cmd.h"
+
 static const char * mesh_stat_strings[]= {
                         "drop_duplicate_bcast",
                         "drop_ttl_zero",
@@ -172,6 +174,49 @@ static void lbs_ethtool_get_strings(struct net_device *dev,
         lbs_deb_enter(LBS_DEB_ETHTOOL);
 }
 
+static void lbs_ethtool_get_wol(struct net_device *dev,
+                                struct ethtool_wolinfo *wol)
+{
+        struct lbs_private *priv = dev->priv;
+
+        if (priv->wol_criteria == 0xffffffff) {
+                /* Interface driver didn't configure wake */
+                wol->supported = wol->wolopts = 0;
+                return;
+        }
+
+        wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;
+
+        if (priv->wol_criteria & EHS_WAKE_ON_UNICAST_DATA)
+                wol->wolopts |= WAKE_UCAST;
+        if (priv->wol_criteria & EHS_WAKE_ON_MULTICAST_DATA)
+                wol->wolopts |= WAKE_MCAST;
+        if (priv->wol_criteria & EHS_WAKE_ON_BROADCAST_DATA)
+                wol->wolopts |= WAKE_BCAST;
+        if (priv->wol_criteria & EHS_WAKE_ON_MAC_EVENT)
+                wol->wolopts |= WAKE_PHY;
+}
+
+static int lbs_ethtool_set_wol(struct net_device *dev,
+                               struct ethtool_wolinfo *wol)
+{
+        struct lbs_private *priv = dev->priv;
+        uint32_t criteria = 0;
+
+        if (priv->wol_criteria == 0xffffffff && wol->wolopts)
+                return -EOPNOTSUPP;
+
+        if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY))
+                return -EOPNOTSUPP;
+
+        if (wol->wolopts & WAKE_UCAST) criteria |= EHS_WAKE_ON_UNICAST_DATA;
+        if (wol->wolopts & WAKE_MCAST) criteria |= EHS_WAKE_ON_MULTICAST_DATA;
+        if (wol->wolopts & WAKE_BCAST) criteria |= EHS_WAKE_ON_BROADCAST_DATA;
+        if (wol->wolopts & WAKE_PHY)   criteria |= EHS_WAKE_ON_MAC_EVENT;
+
+        return lbs_host_sleep_cfg(priv, criteria);
+}
+
 struct ethtool_ops lbs_ethtool_ops = {
         .get_drvinfo = lbs_ethtool_get_drvinfo,
         .get_eeprom =  lbs_ethtool_get_eeprom,
@@ -179,5 +224,7 @@ struct ethtool_ops lbs_ethtool_ops = {
         .get_sset_count = lbs_ethtool_get_sset_count,
         .get_ethtool_stats = lbs_ethtool_get_stats,
         .get_strings = lbs_ethtool_get_strings,
+        .get_wol = lbs_ethtool_get_wol,
+        .set_wol = lbs_ethtool_set_wol,
 };