drivers/net/wireless/libertas/ethtool.c

   1 #include <linux/netdevice.h>
   2 #include <linux/ethtool.h>
   3 #include <linux/delay.h>
   4
   5 #include "decl.h"
   6 #include "cmd.h"
   7
   8
   9 static void lbs_ethtool_get_drvinfo(struct net_device *dev,
  10                                          struct ethtool_drvinfo *info)
  11 {
  12         struct lbs_private *priv = dev->ml_priv;
  13
  14         snprintf(info->fw_version, 32, "%u.%u.%u.p%u",
  15                 priv->fwrelease >> 24 & 0xff,
  16                 priv->fwrelease >> 16 & 0xff,
  17                 priv->fwrelease >>  8 & 0xff,
  18                 priv->fwrelease       & 0xff);
  19         strcpy(info->driver, "libertas");
  20         strcpy(info->version, lbs_driver_version);
  21 }
  22
  23 /* All 8388 parts have 16KiB EEPROM size at the time of writing.
  24  * In case that changes this needs fixing.
  25  */
  26 #define LBS_EEPROM_LEN 16384
  27
  28 static int lbs_ethtool_get_eeprom_len(struct net_device *dev)
  29 {
  30         return LBS_EEPROM_LEN;
  31 }
  32
  33 static int lbs_ethtool_get_eeprom(struct net_device *dev,
  34                                   struct ethtool_eeprom *eeprom, u8 * bytes)
  35 {
  36         struct lbs_private *priv = dev->ml_priv;
  37         struct cmd_ds_802_11_eeprom_access cmd;
  38         int ret;
  39
  40         lbs_deb_enter(LBS_DEB_ETHTOOL);
  41
  42         if (eeprom->offset + eeprom->len > LBS_EEPROM_LEN ||
  43             eeprom->len > LBS_EEPROM_READ_LEN) {
  44                 ret = -EINVAL;
  45                 goto out;
  46         }
  47
  48         cmd.hdr.size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) -
  49                 LBS_EEPROM_READ_LEN + eeprom->len);
  50         cmd.action = cpu_to_le16(CMD_ACT_GET);
  51         cmd.offset = cpu_to_le16(eeprom->offset);
  52         cmd.len    = cpu_to_le16(eeprom->len);
  53         ret = lbs_cmd_with_response(priv, CMD_802_11_EEPROM_ACCESS, &cmd);
  54         if (!ret)
  55                 memcpy(bytes, cmd.value, eeprom->len);
  56
  57 out:
  58         lbs_deb_leave_args(LBS_DEB_ETHTOOL, "ret %d", ret);
  59         return ret;
  60 }
  61
  62 static void lbs_ethtool_get_wol(struct net_device *dev,
  63                                 struct ethtool_wolinfo *wol)
  64 {
  65         struct lbs_private *priv = dev->ml_priv;
  66
  67         wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;
  68
  69         if (priv->wol_criteria == EHS_REMOVE_WAKEUP)
  70                 return;
  71
  72         if (priv->wol_criteria & EHS_WAKE_ON_UNICAST_DATA)
  73                 wol->wolopts |= WAKE_UCAST;
  74         if (priv->wol_criteria & EHS_WAKE_ON_MULTICAST_DATA)
  75                 wol->wolopts |= WAKE_MCAST;
  76         if (priv->wol_criteria & EHS_WAKE_ON_BROADCAST_DATA)
  77                 wol->wolopts |= WAKE_BCAST;
  78         if (priv->wol_criteria & EHS_WAKE_ON_MAC_EVENT)
  79                 wol->wolopts |= WAKE_PHY;
  80 }
  81
  82 static int lbs_ethtool_set_wol(struct net_device *dev,
  83                                struct ethtool_wolinfo *wol)
  84 {
  85         struct lbs_private *priv = dev->ml_priv;
  86
  87         if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY))
  88                 return -EOPNOTSUPP;
  89
  90         priv->wol_criteria = 0;
  91         if (wol->wolopts & WAKE_UCAST)
  92                 priv->wol_criteria |= EHS_WAKE_ON_UNICAST_DATA;
  93         if (wol->wolopts & WAKE_MCAST)
  94                 priv->wol_criteria |= EHS_WAKE_ON_MULTICAST_DATA;
  95         if (wol->wolopts & WAKE_BCAST)
  96                 priv->wol_criteria |= EHS_WAKE_ON_BROADCAST_DATA;
  97         if (wol->wolopts & WAKE_PHY)
  98                 priv->wol_criteria |= EHS_WAKE_ON_MAC_EVENT;
  99         if (wol->wolopts == 0)
 100                 priv->wol_criteria |= EHS_REMOVE_WAKEUP;
 101         return 0;
 102 }
 103
 104 const struct ethtool_ops lbs_ethtool_ops = {
 105         .get_drvinfo = lbs_ethtool_get_drvinfo,
 106         .get_eeprom =  lbs_ethtool_get_eeprom,
 107         .get_eeprom_len = lbs_ethtool_get_eeprom_len,
 108 #ifdef CONFIG_LIBERTAS_MESH
 109         .get_sset_count = lbs_mesh_ethtool_get_sset_count,
 110         .get_ethtool_stats = lbs_mesh_ethtool_get_stats,
 111         .get_strings = lbs_mesh_ethtool_get_strings,
 112 #endif
 113         .get_wol = lbs_ethtool_get_wol,
 114         .set_wol = lbs_ethtool_set_wol,
 115 };
 116