netxen: advertise wake-on-lan support

Add ethtool wake on lan support.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 52 insertions, 0 deletions

diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index 0894a7be0225..0012b3172f90 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -810,6 +810,53 @@ static int netxen_nic_set_tso(struct net_device *dev, u32 data)
         return 0;
 }
 
+static void
+netxen_nic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+        struct netxen_adapter *adapter = netdev_priv(dev);
+        u32 wol_cfg = 0;
+
+        wol->supported = 0;
+        wol->wolopts = 0;
+
+        if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+                return;
+
+        wol_cfg = netxen_nic_reg_read(adapter, NETXEN_WOL_CONFIG_NV);
+        if (wol_cfg & (1UL << adapter->portnum))
+                wol->supported |= WAKE_MAGIC;
+
+        wol_cfg = netxen_nic_reg_read(adapter, NETXEN_WOL_CONFIG);
+        if (wol_cfg & (1UL << adapter->portnum))
+                wol->wolopts |= WAKE_MAGIC;
+}
+
+static int
+netxen_nic_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+        struct netxen_adapter *adapter = netdev_priv(dev);
+        u32 wol_cfg = 0;
+
+        if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+                return -EOPNOTSUPP;
+
+        if (wol->wolopts & ~WAKE_MAGIC)
+                return -EOPNOTSUPP;
+
+        wol_cfg = netxen_nic_reg_read(adapter, NETXEN_WOL_CONFIG_NV);
+        if (!(wol_cfg & (1 << adapter->portnum)))
+                return -EOPNOTSUPP;
+
+        wol_cfg = netxen_nic_reg_read(adapter, NETXEN_WOL_CONFIG);
+        if (wol->wolopts & WAKE_MAGIC)
+                wol_cfg |= 1UL << adapter->portnum;
+        else
+                wol_cfg &= ~(1UL << adapter->portnum);
+        netxen_nic_reg_write(adapter, NETXEN_WOL_CONFIG, wol_cfg);
+
+        return 0;
+}
+
 /*
  * Set the coalescing parameters. Currently only normal is supported.
  * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the
@@ -916,6 +963,8 @@ struct ethtool_ops netxen_nic_ethtool_ops = {
         .set_sg = ethtool_op_set_sg,
         .get_tso = netxen_nic_get_tso,
         .set_tso = netxen_nic_set_tso,
+        .get_wol = netxen_nic_get_wol,
+        .set_wol = netxen_nic_set_wol,
         .self_test = netxen_nic_diag_test,
         .get_strings = netxen_nic_get_strings,
         .get_ethtool_stats = netxen_nic_get_ethtool_stats,
diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h
index 269a1f706889..4695246072f6 100644
--- a/drivers/net/netxen/netxen_nic_hdr.h
+++ b/drivers/net/netxen/netxen_nic_hdr.h
@@ -858,6 +858,9 @@ enum {
 #define NETXEN_PORT_MODE_ADDR           (NETXEN_CAM_RAM(0x24))
 #define NETXEN_WOL_PORT_MODE            (NETXEN_CAM_RAM(0x198))
 
+#define NETXEN_WOL_CONFIG_NV            (NETXEN_CAM_RAM(0x184))
+#define NETXEN_WOL_CONFIG               (NETXEN_CAM_RAM(0x188))
+
 #define NX_PEG_TUNE_MN_PRESENT          0x1
 #define NX_PEG_TUNE_CAPABILITY          (NETXEN_CAM_RAM(0x02c))