1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* 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, 2022 Intel Corporation
*/
#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 kernel_ethtool_ringparam *kernel_rp,
struct netlink_ext_ack *extack)
{
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 kernel_ethtool_ringparam *kernel_rp,
struct netlink_ext_ack *extack)
{
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++] += sinfo.rx_packets; \
data[i++] += sinfo.rx_bytes; \
data[i++] += (sta)->rx_stats.num_duplicates; \
data[i++] += (sta)->rx_stats.fragments; \
data[i++] += sinfo.rx_dropped_misc; \
\
data[i++] += sinfo.tx_packets; \
data[i++] += sinfo.tx_bytes; \
data[i++] += (sta)->status_stats.filtered; \
data[i++] += sinfo.tx_failed; \
data[i++] += sinfo.tx_retries; \
} while (0)
/* For Managed stations, find the single station based on BSSID
* and use that. For interface types, iterate through all available
* stations and add stats for any station that is assigned to this
* network device.
*/
mutex_lock(&local->sta_mtx);
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
sta = sta_info_get_bss(sdata, sdata->deflink.u.mgd.bssid);
if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
goto do_survey;
memset(&sinfo, 0, sizeof(sinfo));
sta_set_sinfo(sta, &sinfo, false);
i = 0;
ADD_STA_STATS(&sta->deflink);
data[i++] = sta->sta_state;
if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE))
data[i] = 100000ULL *
cfg80211_calculate_bitrate(&sinfo.txrate);
i++;
if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE))
data[i] = 100000ULL *
cfg80211_calculate_bitrate(&sinfo.rxrate);
i++;
if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG))
data[i] = (u8)sinfo.signal_avg;
i++;
} else {
list_for_each_entry(sta, &local->sta_list, list) {
/* Make sure this station belongs to the proper dev */
if (sta->sdata->dev != dev)
continue;
memset(&sinfo, 0, sizeof(sinfo));
sta_set_sinfo(sta, &sinfo, false);
i = 0;
ADD_STA_STATS(&sta->deflink);
}
}
do_survey:
i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
/* Get survey stats for current channel */
survey.filled = 0;
rcu_read_lock();
chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf);
if (chanctx_conf)
channel = chanctx_conf->def.chan;
else
channel = NULL;
rcu_read_unlock();
if (channel) {
q = 0;
do {
survey.filled = 0;
if (drv_get_survey(local, q, &survey) != 0) {
survey.filled = 0;
break;
}
q++;
} while (channel != survey.channel);
}
if (survey.filled)
data[i++] = survey.channel->center_freq;
else
data[i++] = 0;
if (survey.filled & SURVEY_INFO_NOISE_DBM)
data[i++] = (u8)survey.noise;
else
data[i++] = -1LL;
if (survey.filled & SURVEY_INFO_TIME)
data[i++] = survey.time;
else
data[i++] = -1LL;
if (survey.filled & SURVEY_INFO_TIME_BUSY)
data[i++] = survey.time_busy;
else
data[i++] = -1LL;
if (survey.filled & SURVEY_INFO_TIME_EXT_BUSY)
data[i++] = survey.time_ext_busy;
else
data[i++] = -1LL;
if (survey.filled & SURVEY_INFO_TIME_RX)
data[i++] = survey.time_rx;
else
data[i++] = -1LL;
if (survey.filled & SURVEY_INFO_TIME_TX)
data[i++] = survey.time_tx;
else
data[i++] = -1LL;
mutex_unlock(&local->sta_mtx);
if (WARN_ON(i != STA_STATS_LEN))
return;
drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
}
static void ieee80211_get_strings(struct net_device *dev, u32 sset, u8 *data)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
int sz_sta_stats = 0;
if (sset == ETH_SS_STATS) {
sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats);
}
drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
}
static int ieee80211_get_regs_len(struct net_device *dev)
{
return 0;
}
static void ieee80211_get_regs(struct net_device *dev,
struct ethtool_regs *regs,
void *data)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
regs->version = wdev->wiphy->hw_version;
regs->len = 0;
}
const struct ethtool_ops ieee80211_ethtool_ops = {
.get_drvinfo = cfg80211_get_drvinfo,
.get_regs_len = ieee80211_get_regs_len,
.get_regs = ieee80211_get_regs,
.get_link = ethtool_op_get_link,
.get_ringparam = ieee80211_get_ringparam,
.set_ringparam = ieee80211_set_ringparam,
.get_strings = ieee80211_get_strings,
.get_ethtool_stats = ieee80211_get_stats,
.get_sset_count = ieee80211_get_sset_count,
};
|