drivers/net/wireless/marvell/mwifiex/ethtool.c

   1 /*
   2  * Marvell Wireless LAN device driver: ethtool
   3  *
   4  * Copyright (C) 2013-2014, Marvell International Ltd.
   5  *
   6  * This software file (the "File") is distributed by Marvell International
   7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   8  * (the "License").  You may use, redistribute and/or modify this File in
   9  * accordance with the terms and conditions of the License, a copy of which
  10  * is available by writing to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
  12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
  13  *
  14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
  17  * this warranty disclaimer.
  18  */
  19
  20 #include "main.h"
  21
  22 static void mwifiex_ethtool_get_wol(struct net_device *dev,
  23                                     struct ethtool_wolinfo *wol)
  24 {
  25         struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
  26         u32 conditions = le32_to_cpu(priv->adapter->hs_cfg.conditions);
  27
  28         wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;
  29
  30         if (conditions == HS_CFG_COND_DEF)
  31                 return;
  32
  33         if (conditions & HS_CFG_COND_UNICAST_DATA)
  34                 wol->wolopts |= WAKE_UCAST;
  35         if (conditions & HS_CFG_COND_MULTICAST_DATA)
  36                 wol->wolopts |= WAKE_MCAST;
  37         if (conditions & HS_CFG_COND_BROADCAST_DATA)
  38                 wol->wolopts |= WAKE_BCAST;
  39         if (conditions & HS_CFG_COND_MAC_EVENT)
  40                 wol->wolopts |= WAKE_PHY;
  41 }
  42
  43 static int mwifiex_ethtool_set_wol(struct net_device *dev,
  44                                    struct ethtool_wolinfo *wol)
  45 {
  46         struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
  47         u32 conditions = 0;
  48
  49         if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY))
  50                 return -EOPNOTSUPP;
  51
  52         if (wol->wolopts & WAKE_UCAST)
  53                 conditions |= HS_CFG_COND_UNICAST_DATA;
  54         if (wol->wolopts & WAKE_MCAST)
  55                 conditions |= HS_CFG_COND_MULTICAST_DATA;
  56         if (wol->wolopts & WAKE_BCAST)
  57                 conditions |= HS_CFG_COND_BROADCAST_DATA;
  58         if (wol->wolopts & WAKE_PHY)
  59                 conditions |= HS_CFG_COND_MAC_EVENT;
  60         if (wol->wolopts == 0)
  61                 conditions |= HS_CFG_COND_DEF;
  62         priv->adapter->hs_cfg.conditions = cpu_to_le32(conditions);
  63
  64         return 0;
  65 }
  66
  67 const struct ethtool_ops mwifiex_ethtool_ops = {
  68         .get_wol = mwifiex_ethtool_get_wol,
  69         .set_wol = mwifiex_ethtool_set_wol,
  70 };