LXR linux/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
  11static 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
  32static int lbs_ethtool_get_eeprom_len(struct net_device *dev)
  33{
  34        return LBS_EEPROM_LEN;
  35}
  36
  37static 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
  61out:
  62        lbs_deb_leave_args(LBS_DEB_ETHTOOL, "ret %d", ret);
  63        return ret;
  64}
  65
  66static 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
  86static 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
 108const 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
 121