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242 lines
6.2 KiB
242 lines
6.2 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* mac80211 ethtool hooks for cfg80211 |
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* |
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* Copied from cfg.c - originally |
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* Copyright 2006-2010 Johannes Berg <[email protected]> |
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* Copyright 2014 Intel Corporation (Author: Johannes Berg) |
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* Copyright (C) 2018 Intel Corporation |
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*/ |
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#include <linux/types.h> |
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#include <net/cfg80211.h> |
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#include "ieee80211_i.h" |
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#include "sta_info.h" |
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#include "driver-ops.h" |
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static int ieee80211_set_ringparam(struct net_device *dev, |
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struct ethtool_ringparam *rp) |
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{ |
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struct ieee80211_local *local = wiphy_priv(dev->ieee80211_ptr->wiphy); |
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if (rp->rx_mini_pending != 0 || rp->rx_jumbo_pending != 0) |
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return -EINVAL; |
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return drv_set_ringparam(local, rp->tx_pending, rp->rx_pending); |
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} |
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static void ieee80211_get_ringparam(struct net_device *dev, |
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struct ethtool_ringparam *rp) |
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{ |
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struct ieee80211_local *local = wiphy_priv(dev->ieee80211_ptr->wiphy); |
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memset(rp, 0, sizeof(*rp)); |
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drv_get_ringparam(local, &rp->tx_pending, &rp->tx_max_pending, |
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&rp->rx_pending, &rp->rx_max_pending); |
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} |
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static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = { |
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"rx_packets", "rx_bytes", |
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"rx_duplicates", "rx_fragments", "rx_dropped", |
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"tx_packets", "tx_bytes", |
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"tx_filtered", "tx_retry_failed", "tx_retries", |
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"sta_state", "txrate", "rxrate", "signal", |
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"channel", "noise", "ch_time", "ch_time_busy", |
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"ch_time_ext_busy", "ch_time_rx", "ch_time_tx" |
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}; |
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#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats) |
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static int ieee80211_get_sset_count(struct net_device *dev, int sset) |
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{ |
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
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int rv = 0; |
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if (sset == ETH_SS_STATS) |
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rv += STA_STATS_LEN; |
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rv += drv_get_et_sset_count(sdata, sset); |
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if (rv == 0) |
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return -EOPNOTSUPP; |
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return rv; |
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} |
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static void ieee80211_get_stats(struct net_device *dev, |
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struct ethtool_stats *stats, |
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u64 *data) |
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{ |
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
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struct ieee80211_chanctx_conf *chanctx_conf; |
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struct ieee80211_channel *channel; |
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struct sta_info *sta; |
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struct ieee80211_local *local = sdata->local; |
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struct station_info sinfo; |
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struct survey_info survey; |
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int i, q; |
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#define STA_STATS_SURVEY_LEN 7 |
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memset(data, 0, sizeof(u64) * STA_STATS_LEN); |
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#define ADD_STA_STATS(sta) \ |
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do { \ |
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data[i++] += sta->rx_stats.packets; \ |
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data[i++] += sta->rx_stats.bytes; \ |
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data[i++] += sta->rx_stats.num_duplicates; \ |
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data[i++] += sta->rx_stats.fragments; \ |
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data[i++] += sta->rx_stats.dropped; \ |
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\ |
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data[i++] += sinfo.tx_packets; \ |
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data[i++] += sinfo.tx_bytes; \ |
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data[i++] += sta->status_stats.filtered; \ |
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data[i++] += sta->status_stats.retry_failed; \ |
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data[i++] += sta->status_stats.retry_count; \ |
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} while (0) |
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/* For Managed stations, find the single station based on BSSID |
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* and use that. For interface types, iterate through all available |
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* stations and add stats for any station that is assigned to this |
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* network device. |
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*/ |
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mutex_lock(&local->sta_mtx); |
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if (sdata->vif.type == NL80211_IFTYPE_STATION) { |
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sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid); |
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if (!(sta && !WARN_ON(sta->sdata->dev != dev))) |
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goto do_survey; |
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memset(&sinfo, 0, sizeof(sinfo)); |
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sta_set_sinfo(sta, &sinfo, false); |
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i = 0; |
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ADD_STA_STATS(sta); |
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data[i++] = sta->sta_state; |
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if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) |
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data[i] = 100000ULL * |
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cfg80211_calculate_bitrate(&sinfo.txrate); |
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i++; |
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if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) |
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data[i] = 100000ULL * |
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cfg80211_calculate_bitrate(&sinfo.rxrate); |
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i++; |
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if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG)) |
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data[i] = (u8)sinfo.signal_avg; |
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i++; |
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} else { |
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list_for_each_entry(sta, &local->sta_list, list) { |
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/* Make sure this station belongs to the proper dev */ |
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if (sta->sdata->dev != dev) |
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continue; |
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memset(&sinfo, 0, sizeof(sinfo)); |
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sta_set_sinfo(sta, &sinfo, false); |
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i = 0; |
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ADD_STA_STATS(sta); |
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} |
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} |
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do_survey: |
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i = STA_STATS_LEN - STA_STATS_SURVEY_LEN; |
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/* Get survey stats for current channel */ |
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survey.filled = 0; |
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rcu_read_lock(); |
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chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
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if (chanctx_conf) |
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channel = chanctx_conf->def.chan; |
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else |
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channel = NULL; |
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rcu_read_unlock(); |
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if (channel) { |
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q = 0; |
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do { |
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survey.filled = 0; |
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if (drv_get_survey(local, q, &survey) != 0) { |
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survey.filled = 0; |
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break; |
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} |
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q++; |
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} while (channel != survey.channel); |
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} |
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if (survey.filled) |
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data[i++] = survey.channel->center_freq; |
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else |
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data[i++] = 0; |
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if (survey.filled & SURVEY_INFO_NOISE_DBM) |
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data[i++] = (u8)survey.noise; |
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else |
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data[i++] = -1LL; |
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if (survey.filled & SURVEY_INFO_TIME) |
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data[i++] = survey.time; |
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else |
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data[i++] = -1LL; |
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if (survey.filled & SURVEY_INFO_TIME_BUSY) |
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data[i++] = survey.time_busy; |
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else |
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data[i++] = -1LL; |
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if (survey.filled & SURVEY_INFO_TIME_EXT_BUSY) |
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data[i++] = survey.time_ext_busy; |
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else |
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data[i++] = -1LL; |
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if (survey.filled & SURVEY_INFO_TIME_RX) |
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data[i++] = survey.time_rx; |
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else |
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data[i++] = -1LL; |
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if (survey.filled & SURVEY_INFO_TIME_TX) |
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data[i++] = survey.time_tx; |
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else |
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data[i++] = -1LL; |
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mutex_unlock(&local->sta_mtx); |
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if (WARN_ON(i != STA_STATS_LEN)) |
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return; |
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drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN])); |
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} |
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static void ieee80211_get_strings(struct net_device *dev, u32 sset, u8 *data) |
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{ |
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
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int sz_sta_stats = 0; |
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if (sset == ETH_SS_STATS) { |
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sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats); |
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memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats); |
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} |
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drv_get_et_strings(sdata, sset, &(data[sz_sta_stats])); |
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} |
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static int ieee80211_get_regs_len(struct net_device *dev) |
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{ |
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return 0; |
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} |
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static void ieee80211_get_regs(struct net_device *dev, |
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struct ethtool_regs *regs, |
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void *data) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
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regs->version = wdev->wiphy->hw_version; |
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regs->len = 0; |
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} |
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const struct ethtool_ops ieee80211_ethtool_ops = { |
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.get_drvinfo = cfg80211_get_drvinfo, |
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.get_regs_len = ieee80211_get_regs_len, |
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.get_regs = ieee80211_get_regs, |
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.get_link = ethtool_op_get_link, |
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.get_ringparam = ieee80211_get_ringparam, |
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.set_ringparam = ieee80211_set_ringparam, |
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.get_strings = ieee80211_get_strings, |
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.get_ethtool_stats = ieee80211_get_stats, |
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.get_sset_count = ieee80211_get_sset_count, |
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};
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