ethtool.c

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#include <linux/hardirq.h>
#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/delay.h>

#include "decl.h"
#include "cmd.h"
#include "mesh.h"


static void lbs_ethtool_get_drvinfo(struct net_device *dev,
                     struct ethtool_drvinfo *info)
{
    struct lbs_private *priv = dev->ml_priv;

    snprintf(info->fw_version, sizeof(info->fw_version),
        "%u.%u.%u.p%u",
        priv->fwrelease >> 24 & 0xff,
        priv->fwrelease >> 16 & 0xff,
        priv->fwrelease >>  8 & 0xff,
        priv->fwrelease       & 0xff);
    strlcpy(info->driver, "libertas", sizeof(info->driver));
    strlcpy(info->version, lbs_driver_version, sizeof(info->version));
}

/*
 * All 8388 parts have 16KiB EEPROM size at the time of writing.
 * In case that changes this needs fixing.
 */
#define LBS_EEPROM_LEN 16384

static int lbs_ethtool_get_eeprom_len(struct net_device *dev)
{
    return LBS_EEPROM_LEN;
}

static int lbs_ethtool_get_eeprom(struct net_device *dev,
                                  struct ethtool_eeprom *eeprom, u8 * bytes)
{
    struct lbs_private *priv = dev->ml_priv;
    struct cmd_ds_802_11_eeprom_access cmd;
    int ret;

    lbs_deb_enter(LBS_DEB_ETHTOOL);

    if (eeprom->offset + eeprom->len > LBS_EEPROM_LEN ||
        eeprom->len > LBS_EEPROM_READ_LEN) {
        ret = -EINVAL;
        goto out;
    }

    cmd.hdr.size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) -
        LBS_EEPROM_READ_LEN + eeprom->len);
    cmd.action = cpu_to_le16(CMD_ACT_GET);
    cmd.offset = cpu_to_le16(eeprom->offset);
    cmd.len    = cpu_to_le16(eeprom->len);
    ret = lbs_cmd_with_response(priv, CMD_802_11_EEPROM_ACCESS, &cmd);
    if (!ret)
        memcpy(bytes, cmd.value, eeprom->len);

out:
    lbs_deb_leave_args(LBS_DEB_ETHTOOL, "ret %d", ret);
        return ret;
}

static void lbs_ethtool_get_wol(struct net_device *dev,
                struct ethtool_wolinfo *wol)
{
    struct lbs_private *priv = dev->ml_priv;

    wol->supported = WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY;

    if (priv->wol_criteria == EHS_REMOVE_WAKEUP)
        return;

    if (priv->wol_criteria & EHS_WAKE_ON_UNICAST_DATA)
        wol->wolopts |= WAKE_UCAST;
    if (priv->wol_criteria & EHS_WAKE_ON_MULTICAST_DATA)
        wol->wolopts |= WAKE_MCAST;
    if (priv->wol_criteria & EHS_WAKE_ON_BROADCAST_DATA)
        wol->wolopts |= WAKE_BCAST;
    if (priv->wol_criteria & EHS_WAKE_ON_MAC_EVENT)
        wol->wolopts |= WAKE_PHY;
}

static int lbs_ethtool_set_wol(struct net_device *dev,
                   struct ethtool_wolinfo *wol)
{
    struct lbs_private *priv = dev->ml_priv;

    if (wol->wolopts & ~(WAKE_UCAST|WAKE_MCAST|WAKE_BCAST|WAKE_PHY))
        return -EOPNOTSUPP;

    priv->wol_criteria = 0;
    if (wol->wolopts & WAKE_UCAST)
        priv->wol_criteria |= EHS_WAKE_ON_UNICAST_DATA;
    if (wol->wolopts & WAKE_MCAST)
        priv->wol_criteria |= EHS_WAKE_ON_MULTICAST_DATA;
    if (wol->wolopts & WAKE_BCAST)
        priv->wol_criteria |= EHS_WAKE_ON_BROADCAST_DATA;
    if (wol->wolopts & WAKE_PHY)
        priv->wol_criteria |= EHS_WAKE_ON_MAC_EVENT;
    if (wol->wolopts == 0)
        priv->wol_criteria |= EHS_REMOVE_WAKEUP;
    return 0;
}

const struct ethtool_ops lbs_ethtool_ops = {
    .get_drvinfo = lbs_ethtool_get_drvinfo,
    .get_eeprom =  lbs_ethtool_get_eeprom,
    .get_eeprom_len = lbs_ethtool_get_eeprom_len,
#ifdef CONFIG_LIBERTAS_MESH
    .get_sset_count = lbs_mesh_ethtool_get_sset_count,
    .get_ethtool_stats = lbs_mesh_ethtool_get_stats,
    .get_strings = lbs_mesh_ethtool_get_strings,
#endif
    .get_wol = lbs_ethtool_get_wol,
    .set_wol = lbs_ethtool_set_wol,
};