| /* |
| * 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; \ |
| data[i++] += sta->status_stats.retry_count; \ |
| } 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->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); |
| |
| 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); |
| } |
| } |
| |
| 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.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, |
| }; |