linux-imx

/*

 * mac80211 ethtool hooks for cfg80211

 *

 * Copied from cfg.c - originally

 * Copyright 2006-2010  Johannes Berg <johannes@sipsolutions.net>

 * Copyright 2014   Intel Corporation (Author: Johannes Berg)

 * Copyright (C) 2018 Intel Corporation

 *

 * This file is GPLv2 as found in COPYING.

 */

#include <linux/types.h>

#include <net/cfg80211.h>

#include "ieee80211_i.h"

#include "sta_info.h"

#include "driver-ops.h"

​

static int ieee80211_set_ringparam(struct net_device *dev,

                   struct ethtool_ringparam *rp)

{

    struct ieee80211_local *local = wiphy_priv(dev->ieee80211_ptr->wiphy);

​

    if (rp->rx_mini_pending != 0 || rp->rx_jumbo_pending != 0)

        return -EINVAL;

​

    return drv_set_ringparam(local, rp->tx_pending, rp->rx_pending);

}

​

static void ieee80211_get_ringparam(struct net_device *dev,

                    struct ethtool_ringparam *rp)

{

    struct ieee80211_local *local = wiphy_priv(dev->ieee80211_ptr->wiphy);

​

    memset(rp, 0, sizeof(*rp));

​

    drv_get_ringparam(local, &rp->tx_pending, &rp->tx_max_pending,

              &rp->rx_pending, &rp->rx_max_pending);

}

​

static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {

    "rx_packets", "rx_bytes",

    "rx_duplicates", "rx_fragments", "rx_dropped",

    "tx_packets", "tx_bytes",

    "tx_filtered", "tx_retry_failed", "tx_retries",

    "sta_state", "txrate", "rxrate", "signal",

    "channel", "noise", "ch_time", "ch_time_busy",

    "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"

};

#define STA_STATS_LEN   ARRAY_SIZE(ieee80211_gstrings_sta_stats)

​

static int ieee80211_get_sset_count(struct net_device *dev, int sset)

{

    struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

    int rv = 0;

​

    if (sset == ETH_SS_STATS)

        rv += STA_STATS_LEN;

​

    rv += drv_get_et_sset_count(sdata, sset);

​

    if (rv == 0)

        return -EOPNOTSUPP;

    return rv;

}

​

static void ieee80211_get_stats(struct net_device *dev,

                struct ethtool_stats *stats,

                u64 *data)

{

    struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

    struct ieee80211_chanctx_conf *chanctx_conf;

    struct ieee80211_channel *channel;

    struct sta_info *sta;

    struct ieee80211_local *local = sdata->local;

    struct station_info sinfo;

    struct survey_info survey;

    int i, q;

#define STA_STATS_SURVEY_LEN 7

​

    memset(data, 0, sizeof(u64) * STA_STATS_LEN);

​

#define ADD_STA_STATS(sta)                  \

    do {                            \

        data[i++] += sta->rx_stats.packets;     \

        data[i++] += sta->rx_stats.bytes;       \

        data[i++] += sta->rx_stats.num_duplicates;  \

        data[i++] += sta->rx_stats.fragments;       \

        data[i++] += sta->rx_stats.dropped;     \

                                \

        data[i++] += sinfo.tx_packets;          \

        data[i++] += sinfo.tx_bytes;            \

        data[i++] += sta->status_stats.filtered;    \

        data[i++] += sta->status_stats.retry_failed;    \