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