drivers/net/wireless/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 static int
  68 mwifiex_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump)
  69 {
  70         struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
  71         struct mwifiex_adapter *adapter = priv->adapter;
  72         struct memory_type_mapping *entry;
  73
  74         if (!adapter->if_ops.fw_dump)
  75                 return -ENOTSUPP;
  76
  77         dump->flag = adapter->curr_mem_idx;
  78         dump->version = 1;
  79         if (adapter->curr_mem_idx == MWIFIEX_DRV_INFO_IDX) {
  80                 dump->len = adapter->drv_info_size;
  81         } else if (adapter->curr_mem_idx != MWIFIEX_FW_DUMP_IDX) {
  82                 entry = &adapter->mem_type_mapping_tbl[adapter->curr_mem_idx];
  83                 dump->len = entry->mem_size;
  84         } else {
  85                 dump->len = 0;
  86         }
  87
  88         return 0;
  89 }
  90
  91 static int
  92 mwifiex_get_dump_data(struct net_device *dev, struct ethtool_dump *dump,
  93                       void *buffer)
  94 {
  95         u8 *p = buffer;
  96         struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
  97         struct mwifiex_adapter *adapter = priv->adapter;
  98         struct memory_type_mapping *entry;
  99
 100         if (!adapter->if_ops.fw_dump)
 101                 return -ENOTSUPP;
 102
 103         if (adapter->curr_mem_idx == MWIFIEX_DRV_INFO_IDX) {
 104                 if (!adapter->drv_info_dump)
 105                         return -EFAULT;
 106                 memcpy(p, adapter->drv_info_dump, adapter->drv_info_size);
 107                 return 0;
 108         }
 109
 110         if (adapter->curr_mem_idx == MWIFIEX_FW_DUMP_IDX) {
 111                 dev_err(adapter->dev, "firmware dump in progress!!\n");
 112                 return -EBUSY;
 113         }
 114
 115         entry = &adapter->mem_type_mapping_tbl[adapter->curr_mem_idx];
 116
 117         if (!entry->mem_ptr)
 118                 return -EFAULT;
 119
 120         memcpy(p, entry->mem_ptr, entry->mem_size);
 121
 122         entry->mem_size = 0;
 123         vfree(entry->mem_ptr);
 124         entry->mem_ptr = NULL;
 125
 126         return 0;
 127 }
 128
 129 static int mwifiex_set_dump(struct net_device *dev, struct ethtool_dump *val)
 130 {
 131         struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
 132         struct mwifiex_adapter *adapter = priv->adapter;
 133
 134         if (!adapter->if_ops.fw_dump)
 135                 return -ENOTSUPP;
 136
 137         if (val->flag == MWIFIEX_DRV_INFO_IDX) {
 138                 adapter->curr_mem_idx = MWIFIEX_DRV_INFO_IDX;
 139                 return 0;
 140         }
 141
 142         if (adapter->curr_mem_idx == MWIFIEX_FW_DUMP_IDX) {
 143                 dev_err(adapter->dev, "firmware dump in progress!!\n");
 144                 return -EBUSY;
 145         }
 146
 147         if (val->flag == MWIFIEX_FW_DUMP_IDX) {
 148                 adapter->curr_mem_idx = val->flag;
 149                 adapter->if_ops.fw_dump(adapter);
 150                 return 0;
 151         }
 152
 153         if (val->flag < 0 || val->flag >= adapter->num_mem_types)
 154                 return -EINVAL;
 155
 156         adapter->curr_mem_idx = val->flag;
 157
 158         return 0;
 159 }
 160
 161 const struct ethtool_ops mwifiex_ethtool_ops = {
 162         .get_wol = mwifiex_ethtool_get_wol,
 163         .set_wol = mwifiex_ethtool_set_wol,
 164         .get_dump_flag = mwifiex_get_dump_flag,
 165         .get_dump_data = mwifiex_get_dump_data,
 166         .set_dump = mwifiex_set_dump,
 167 };