diff options
| author | Toke Høiland-Jørgensen <toke@toke.dk> | 2018-05-08 14:03:50 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2018-05-08 14:19:24 +0300 |
| commit | 52539ca89f365d3db530535fbffa88a3cca4d2ec (patch) | |
| tree | 5bfc75ba1383976149d0c99a3f87bb9ef69af4e8 /net/mac80211/ethtool.c | |
| parent | cc60dbbfed8ff0bd4c530ee48e9e915333a35470 (diff) | |
| download | linux-52539ca89f365d3db530535fbffa88a3cca4d2ec.tar.xz | |
cfg80211: Expose TXQ stats and parameters to userspace
This adds support for exporting the mac80211 TXQ stats via nl80211 by
way of a nested TXQ stats attribute, as well as for configuring the
quantum and limits that were previously only changeable through debugfs.
This commit adds just the nl80211 API, a subsequent commit adds support to
mac80211 itself.
Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/ethtool.c')
| -rw-r--r-- | net/mac80211/ethtool.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/net/mac80211/ethtool.c b/net/mac80211/ethtool.c index 08408520c3f8..1afeff94af8b 100644 --- a/net/mac80211/ethtool.c +++ b/net/mac80211/ethtool.c @@ -71,11 +71,15 @@ static void ieee80211_get_stats(struct net_device *dev, struct ieee80211_channel *channel; struct sta_info *sta; struct ieee80211_local *local = sdata->local; - struct station_info sinfo; + struct station_info *sinfo; struct survey_info survey; int i, q; #define STA_STATS_SURVEY_LEN 7 + sinfo = kmalloc(sizeof(*sinfo), GFP_KERNEL); + if (!sinfo) + return; + memset(data, 0, sizeof(u64) * STA_STATS_LEN); #define ADD_STA_STATS(sta) \ @@ -86,8 +90,8 @@ static void ieee80211_get_stats(struct net_device *dev, data[i++] += sta->rx_stats.fragments; \ data[i++] += sta->rx_stats.dropped; \ \ - data[i++] += sinfo.tx_packets; \ - data[i++] += sinfo.tx_bytes; \ + 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; \ @@ -107,8 +111,8 @@ static void ieee80211_get_stats(struct net_device *dev, if (!(sta && !WARN_ON(sta->sdata->dev != dev))) goto do_survey; - memset(&sinfo, 0, sizeof(sinfo)); - sta_set_sinfo(sta, &sinfo); + memset(sinfo, 0, sizeof(*sinfo)); + sta_set_sinfo(sta, sinfo); i = 0; ADD_STA_STATS(sta); @@ -116,17 +120,17 @@ static void ieee80211_get_stats(struct net_device *dev, data[i++] = sta->sta_state; - if (sinfo.filled & BIT(NL80211_STA_INFO_TX_BITRATE)) + if (sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE)) data[i] = 100000 * - cfg80211_calculate_bitrate(&sinfo.txrate); + cfg80211_calculate_bitrate(&sinfo->txrate); i++; - if (sinfo.filled & BIT(NL80211_STA_INFO_RX_BITRATE)) + if (sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE)) data[i] = 100000 * - cfg80211_calculate_bitrate(&sinfo.rxrate); + cfg80211_calculate_bitrate(&sinfo->rxrate); i++; - if (sinfo.filled & BIT(NL80211_STA_INFO_SIGNAL_AVG)) - data[i] = (u8)sinfo.signal_avg; + if (sinfo->filled & BIT(NL80211_STA_INFO_SIGNAL_AVG)) + data[i] = (u8)sinfo->signal_avg; i++; } else { list_for_each_entry(sta, &local->sta_list, list) { @@ -134,14 +138,16 @@ static void ieee80211_get_stats(struct net_device *dev, if (sta->sdata->dev != dev) continue; - memset(&sinfo, 0, sizeof(sinfo)); - sta_set_sinfo(sta, &sinfo); + memset(sinfo, 0, sizeof(*sinfo)); + sta_set_sinfo(sta, sinfo); i = 0; ADD_STA_STATS(sta); } } do_survey: + kfree(sinfo); + i = STA_STATS_LEN - STA_STATS_SURVEY_LEN; /* Get survey stats for current channel */ survey.filled = 0; |