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-rw-r--r--net/mac80211/ethtool.c244
1 files changed, 244 insertions, 0 deletions
diff --git a/net/mac80211/ethtool.c b/net/mac80211/ethtool.c
new file mode 100644
index 000000000000..ebfc8091557b
--- /dev/null
+++ b/net/mac80211/ethtool.c
@@ -0,0 +1,244 @@
1/*
2 * mac80211 ethtool hooks for cfg80211
3 *
4 * Copied from cfg.c - originally
5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright 2014 Intel Corporation (Author: Johannes Berg)
7 *
8 * This file is GPLv2 as found in COPYING.
9 */
10#include <linux/types.h>
11#include <net/cfg80211.h>
12#include "ieee80211_i.h"
13#include "sta_info.h"
14#include "driver-ops.h"
15
16static int ieee80211_set_ringparam(struct net_device *dev,
17 struct ethtool_ringparam *rp)
18{
19 struct ieee80211_local *local = wiphy_priv(dev->ieee80211_ptr->wiphy);
20
21 if (rp->rx_mini_pending != 0 || rp->rx_jumbo_pending != 0)
22 return -EINVAL;
23
24 return drv_set_ringparam(local, rp->tx_pending, rp->rx_pending);
25}
26
27static void ieee80211_get_ringparam(struct net_device *dev,
28 struct ethtool_ringparam *rp)
29{
30 struct ieee80211_local *local = wiphy_priv(dev->ieee80211_ptr->wiphy);
31
32 memset(rp, 0, sizeof(*rp));
33
34 drv_get_ringparam(local, &rp->tx_pending, &rp->tx_max_pending,
35 &rp->rx_pending, &rp->rx_max_pending);
36}
37
38static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
39 "rx_packets", "rx_bytes",
40 "rx_duplicates", "rx_fragments", "rx_dropped",
41 "tx_packets", "tx_bytes", "tx_fragments",
42 "tx_filtered", "tx_retry_failed", "tx_retries",
43 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
44 "channel", "noise", "ch_time", "ch_time_busy",
45 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
46};
47#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
48
49static int ieee80211_get_sset_count(struct net_device *dev, int sset)
50{
51 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
52 int rv = 0;
53
54 if (sset == ETH_SS_STATS)
55 rv += STA_STATS_LEN;
56
57 rv += drv_get_et_sset_count(sdata, sset);
58
59 if (rv == 0)
60 return -EOPNOTSUPP;
61 return rv;
62}
63
64static void ieee80211_get_stats(struct net_device *dev,
65 struct ethtool_stats *stats,
66 u64 *data)
67{
68 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
69 struct ieee80211_chanctx_conf *chanctx_conf;
70 struct ieee80211_channel *channel;
71 struct sta_info *sta;
72 struct ieee80211_local *local = sdata->local;
73 struct station_info sinfo;
74 struct survey_info survey;
75 int i, q;
76#define STA_STATS_SURVEY_LEN 7
77
78 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
79
80#define ADD_STA_STATS(sta) \
81 do { \
82 data[i++] += sta->rx_packets; \
83 data[i++] += sta->rx_bytes; \
84 data[i++] += sta->num_duplicates; \
85 data[i++] += sta->rx_fragments; \
86 data[i++] += sta->rx_dropped; \
87 \
88 data[i++] += sinfo.tx_packets; \
89 data[i++] += sinfo.tx_bytes; \
90 data[i++] += sta->tx_fragments; \
91 data[i++] += sta->tx_filtered_count; \
92 data[i++] += sta->tx_retry_failed; \
93 data[i++] += sta->tx_retry_count; \
94 data[i++] += sta->beacon_loss_count; \
95 } while (0)
96
97 /* For Managed stations, find the single station based on BSSID
98 * and use that. For interface types, iterate through all available
99 * stations and add stats for any station that is assigned to this
100 * network device.
101 */
102
103 mutex_lock(&local->sta_mtx);
104
105 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
106 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
107
108 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
109 goto do_survey;
110
111 sinfo.filled = 0;
112 sta_set_sinfo(sta, &sinfo);
113
114 i = 0;
115 ADD_STA_STATS(sta);
116
117 data[i++] = sta->sta_state;
118
119
120 if (sinfo.filled & STATION_INFO_TX_BITRATE)
121 data[i] = 100000 *
122 cfg80211_calculate_bitrate(&sinfo.txrate);
123 i++;
124 if (sinfo.filled & STATION_INFO_RX_BITRATE)
125 data[i] = 100000 *
126 cfg80211_calculate_bitrate(&sinfo.rxrate);
127 i++;
128
129 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
130 data[i] = (u8)sinfo.signal_avg;
131 i++;
132 } else {
133 list_for_each_entry(sta, &local->sta_list, list) {
134 /* Make sure this station belongs to the proper dev */
135 if (sta->sdata->dev != dev)
136 continue;
137
138 sinfo.filled = 0;
139 sta_set_sinfo(sta, &sinfo);
140 i = 0;
141 ADD_STA_STATS(sta);
142 }
143 }
144
145do_survey:
146 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
147 /* Get survey stats for current channel */
148 survey.filled = 0;
149
150 rcu_read_lock();
151 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
152 if (chanctx_conf)
153 channel = chanctx_conf->def.chan;
154 else
155 channel = NULL;
156 rcu_read_unlock();
157
158 if (channel) {
159 q = 0;
160 do {
161 survey.filled = 0;
162 if (drv_get_survey(local, q, &survey) != 0) {
163 survey.filled = 0;
164 break;
165 }
166 q++;
167 } while (channel != survey.channel);
168 }
169
170 if (survey.filled)
171 data[i++] = survey.channel->center_freq;
172 else
173 data[i++] = 0;
174 if (survey.filled & SURVEY_INFO_NOISE_DBM)
175 data[i++] = (u8)survey.noise;
176 else
177 data[i++] = -1LL;
178 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
179 data[i++] = survey.channel_time;
180 else
181 data[i++] = -1LL;
182 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
183 data[i++] = survey.channel_time_busy;
184 else
185 data[i++] = -1LL;
186 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
187 data[i++] = survey.channel_time_ext_busy;
188 else
189 data[i++] = -1LL;
190 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
191 data[i++] = survey.channel_time_rx;
192 else
193 data[i++] = -1LL;
194 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
195 data[i++] = survey.channel_time_tx;
196 else
197 data[i++] = -1LL;
198
199 mutex_unlock(&local->sta_mtx);
200
201 if (WARN_ON(i != STA_STATS_LEN))
202 return;
203
204 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
205}
206
207static void ieee80211_get_strings(struct net_device *dev, u32 sset, u8 *data)
208{
209 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
210 int sz_sta_stats = 0;
211
212 if (sset == ETH_SS_STATS) {
213 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
214 memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats);
215 }
216 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
217}
218
219static int ieee80211_get_regs_len(struct net_device *dev)
220{
221 return 0;
222}
223
224static void ieee80211_get_regs(struct net_device *dev,
225 struct ethtool_regs *regs,
226 void *data)
227{
228 struct wireless_dev *wdev = dev->ieee80211_ptr;
229
230 regs->version = wdev->wiphy->hw_version;
231 regs->len = 0;
232}
233
234const struct ethtool_ops ieee80211_ethtool_ops = {
235 .get_drvinfo = cfg80211_get_drvinfo,
236 .get_regs_len = ieee80211_get_regs_len,
237 .get_regs = ieee80211_get_regs,
238 .get_link = ethtool_op_get_link,
239 .get_ringparam = ieee80211_get_ringparam,
240 .set_ringparam = ieee80211_set_ringparam,
241 .get_strings = ieee80211_get_strings,
242 .get_ethtool_stats = ieee80211_get_stats,
243 .get_sset_count = ieee80211_get_sset_count,
244};
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