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105 lines
4.2 KiB
105 lines
4.2 KiB
--- a/include/linux/nl80211.h
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+++ b/include/linux/nl80211.h
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@@ -1413,6 +1413,16 @@ enum nl80211_reg_rule_flags {
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* @NL80211_SURVEY_INFO_FREQUENCY: center frequency of channel
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* @NL80211_SURVEY_INFO_NOISE: noise level of channel (u8, dBm)
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* @NL80211_SURVEY_INFO_IN_USE: channel is currently being used
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+ * @NL80211_SURVEY_INFO_CHANNEL_TIME: amount of time (in ms) that the radio
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+ * spent on this channel
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+ * @NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY: amount of the time the primary
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+ * channel was sensed busy (either due to activity or energy detect)
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+ * @NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY: amount of time the extension
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+ * channel was sensed busy
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+ * @NL80211_SURVEY_INFO_CHANNEL_TIME_RX: amount of time the radio spent
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+ * receiving data
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+ * @NL80211_SURVEY_INFO_CHANNEL_TIME_TX: amount of time the radio spent
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+ * transmitting data
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* @NL80211_SURVEY_INFO_MAX: highest survey info attribute number
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* currently defined
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* @__NL80211_SURVEY_INFO_AFTER_LAST: internal use
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@@ -1422,6 +1432,11 @@ enum nl80211_survey_info {
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NL80211_SURVEY_INFO_FREQUENCY,
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NL80211_SURVEY_INFO_NOISE,
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NL80211_SURVEY_INFO_IN_USE,
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+ NL80211_SURVEY_INFO_CHANNEL_TIME,
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+ NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
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+ NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
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+ NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
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+ NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
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/* keep last */
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__NL80211_SURVEY_INFO_AFTER_LAST,
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--- a/include/net/cfg80211.h
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+++ b/include/net/cfg80211.h
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@@ -295,6 +295,11 @@ struct key_params {
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*
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* @SURVEY_INFO_NOISE_DBM: noise (in dBm) was filled in
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* @SURVEY_INFO_IN_USE: channel is currently being used
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+ * @SURVEY_INFO_CHANNEL_TIME: channel active time (in ms) was filled in
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+ * @SURVEY_INFO_CHANNEL_TIME_BUSY: channel busy time was filled in
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+ * @SURVEY_INFO_CHANNEL_TIME_EXT_BUSY: extension channel busy time was filled in
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+ * @SURVEY_INFO_CHANNEL_TIME_RX: channel receive time was filled in
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+ * @SURVEY_INFO_CHANNEL_TIME_TX: channel transmit time was filled in
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*
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* Used by the driver to indicate which info in &struct survey_info
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* it has filled in during the get_survey().
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@@ -302,6 +307,11 @@ struct key_params {
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enum survey_info_flags {
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SURVEY_INFO_NOISE_DBM = 1<<0,
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SURVEY_INFO_IN_USE = 1<<1,
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+ SURVEY_INFO_CHANNEL_TIME = 1<<2,
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+ SURVEY_INFO_CHANNEL_TIME_BUSY = 1<<3,
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+ SURVEY_INFO_CHANNEL_TIME_EXT_BUSY = 1<<4,
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+ SURVEY_INFO_CHANNEL_TIME_RX = 1<<5,
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+ SURVEY_INFO_CHANNEL_TIME_TX = 1<<6,
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};
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/**
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@@ -311,6 +321,11 @@ enum survey_info_flags {
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* @filled: bitflag of flags from &enum survey_info_flags
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* @noise: channel noise in dBm. This and all following fields are
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* optional
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+ * @channel_time: amount of time in ms the radio spent on the channel
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+ * @channel_time_busy: amount of time the primary channel was sensed busy
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+ * @channel_time_ext_busy: amount of time the extension channel was sensed busy
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+ * @channel_time_rx: amount of time the radio spent receiving data
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+ * @channel_time_tx: amount of time the radio spent transmitting data
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*
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* Used by dump_survey() to report back per-channel survey information.
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*
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@@ -319,6 +334,11 @@ enum survey_info_flags {
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*/
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struct survey_info {
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struct ieee80211_channel *channel;
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+ u64 channel_time;
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+ u64 channel_time_busy;
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+ u64 channel_time_ext_busy;
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+ u64 channel_time_rx;
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+ u64 channel_time_tx;
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u32 filled;
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s8 noise;
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};
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--- a/net/wireless/nl80211.c
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+++ b/net/wireless/nl80211.c
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@@ -3153,6 +3153,21 @@ static int nl80211_send_survey(struct sk
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survey->noise);
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if (survey->filled & SURVEY_INFO_IN_USE)
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NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE);
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+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME)
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+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME,
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+ survey->channel_time);
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+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
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+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
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+ survey->channel_time_busy);
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+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
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+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
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+ survey->channel_time_ext_busy);
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+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME_RX)
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+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
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+ survey->channel_time_rx);
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+ if (survey->filled & SURVEY_INFO_CHANNEL_TIME_TX)
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+ NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
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+ survey->channel_time_tx);
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nla_nest_end(msg, infoattr);
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