drivers/net/wireless/libertas/ethtool.c

   1 #include <linux/hardirq.h>
   2 #include <linux/netdevice.h>
   3 #include <linux/ethtool.h>
   4 #include <linux/delay.h>
   5
   6 #include "decl.h"
   7 #include "cmd.h"
   8 #include "mesh.h"
   9
  10
  11 static void lbs_ethtool_get_drvinfo(struct net_device *dev,
  12                                          struct ethtool_drvinfo *info)
  13 {
  14         struct lbs_private *priv = dev->ml_priv;
  15
  16         snprintf(info->fw_version, sizeof(info->fw_version),
  17                 "%u.%u.%u.p%u",
  18                 priv->fwrelease >> 24 & 0xff,
  19                 priv->fwrelease >> 16 & 0xff,
  20                 priv->fwrelease >>  8 & 0xff,
  21                 priv->fwrelease       & 0xff);
  22         strlcpy(info->driver, "libertas", sizeof(info->driver));
  23         strlcpy(info->version, lbs_driver_version, sizeof(info->version));
  24 }
  25
  26 /*
  27  * All 8388 parts have 16KiB EEPROM size at the time of writing.
  28  * In case that changes this needs fixing.
  29  */
  30 #define LBS_EEPROM_LEN 16384
  31
  32 static int lbs_ethtool_get_eeprom_len(struct net_device *dev)
  33 {
  34         return LBS_EEPROM_LEN;
  35 }
  36
  37 static int lbs_ethtool_get_eeprom(struct net_device *dev,
  38                                   struct ethtool_eeprom *eeprom, u8 * bytes)
  39 {
  40         struct lbs_private *priv = dev->ml_priv;
  41         struct cmd_ds_802_11_eeprom_access cmd;
  42         int ret;
  43
  44         lbs_deb_enter(LBS_DEB_ETHTOOL);
  45
  46         if (eeprom->offset + eeprom->len > LBS_EEPROM_LEN ||
  47             eeprom->len > LBS_EEPROM_READ_LEN) {
  48                 ret = -EINVAL;
  49                 goto out;
  50         }
  51
  52         cmd.hdr.size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) -
  53                 LBS_EEPROM_READ_LEN + eeprom->len);
  54         cmd.action = cpu_to_le16(CMD_ACT_GET);
  55         cmd.offset = cpu_to_le16(eeprom->offset);
  56         cmd.len    = cpu_to_le16(eeprom->len);
  57         ret = lbs_cmd_with_response(priv, CMD_802_11_EEPROM_ACCESS, &cmd);
  58         if (!ret)
  59                 memcpy(bytes, cmd.value, eeprom->len);
  60
  61 out:
  62         lbs_deb_leave_args(LBS_DEB_ETHTOOL, "ret %d", ret);
  63         return ret;
  64 }
  65
  66 static void lbs_ethtool_get_wol(struct net_device *dev,
  67                                 struct ethtool_wolinfo *wol)
  68 {
  69         struct lbs_private *priv = dev->ml_priv;
  70
  71         wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;
  72
  73         if (priv->wol_criteria == EHS_REMOVE_WAKEUP)
  74                 return;
  75
  76         if (priv->wol_criteria & EHS_WAKE_ON_UNICAST_DATA)
  77                 wol->wolopts |= WAKE_UCAST;
  78         if (priv->wol_criteria & EHS_WAKE_ON_MULTICAST_DATA)
  79                 wol->wolopts |= WAKE_MCAST;
  80         if (priv->wol_criteria & EHS_WAKE_ON_BROADCAST_DATA)
  81                 wol->wolopts |= WAKE_BCAST;
  82         if (priv->wol_criteria & EHS_WAKE_ON_MAC_EVENT)
  83                 wol->wolopts |= WAKE_PHY;
  84 }
  85
  86 static int lbs_ethtool_set_wol(struct net_device *dev,
  87                                struct ethtool_wolinfo *wol)
  88 {
  89         struct lbs_private *priv = dev->ml_priv;
  90
  91         if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY))
  92                 return -EOPNOTSUPP;
  93
  94         priv->wol_criteria = 0;
  95         if (wol->wolopts & WAKE_UCAST)
  96                 priv->wol_criteria |= EHS_WAKE_ON_UNICAST_DATA;
  97         if (wol->wolopts & WAKE_MCAST)
  98                 priv->wol_criteria |= EHS_WAKE_ON_MULTICAST_DATA;
  99         if (wol->wolopts & WAKE_BCAST)
 100                 priv->wol_criteria |= EHS_WAKE_ON_BROADCAST_DATA;
 101         if (wol->wolopts & WAKE_PHY)
 102                 priv->wol_criteria |= EHS_WAKE_ON_MAC_EVENT;
 103         if (wol->wolopts == 0)
 104                 priv->wol_criteria |= EHS_REMOVE_WAKEUP;
 105         return 0;
 106 }
 107
 108 const struct ethtool_ops lbs_ethtool_ops = {
 109         .get_drvinfo = lbs_ethtool_get_drvinfo,
 110         .get_eeprom =  lbs_ethtool_get_eeprom,
 111         .get_eeprom_len = lbs_ethtool_get_eeprom_len,
 112 #ifdef CONFIG_LIBERTAS_MESH
 113         .get_sset_count = lbs_mesh_ethtool_get_sset_count,
 114         .get_ethtool_stats = lbs_mesh_ethtool_get_stats,
 115         .get_strings = lbs_mesh_ethtool_get_strings,
 116 #endif
 117         .get_wol = lbs_ethtool_get_wol,
 118         .set_wol = lbs_ethtool_set_wol,
 119 };
 120