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--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -294,12 +294,14 @@ struct key_params {
* enum survey_info_flags - survey information flags
*
* @SURVEY_INFO_NOISE_DBM: noise (in dBm) was filled in
+ * @SURVEY_INFO_IN_USE: channel is currently being used
*
* Used by the driver to indicate which info in &struct survey_info
* it has filled in during the get_survey().
*/
enum survey_info_flags {
SURVEY_INFO_NOISE_DBM = 1<<0,
+ SURVEY_INFO_IN_USE = 1<<1,
};
/**
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -1400,6 +1400,7 @@ enum nl80211_reg_rule_flags {
* @__NL80211_SURVEY_INFO_INVALID: attribute number 0 is reserved
* @NL80211_SURVEY_INFO_FREQUENCY: center frequency of channel
* @NL80211_SURVEY_INFO_NOISE: noise level of channel (u8, dBm)
+ * @NL80211_SURVEY_INFO_IN_USE: channel is currently being used
* @NL80211_SURVEY_INFO_MAX: highest survey info attribute number
* currently defined
* @__NL80211_SURVEY_INFO_AFTER_LAST: internal use
@@ -1408,6 +1409,7 @@ enum nl80211_survey_info {
__NL80211_SURVEY_INFO_INVALID,
NL80211_SURVEY_INFO_FREQUENCY,
NL80211_SURVEY_INFO_NOISE,
+ NL80211_SURVEY_INFO_IN_USE,
/* keep last */
__NL80211_SURVEY_INFO_AFTER_LAST,
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3491,6 +3491,8 @@ static int nl80211_send_survey(struct sk
if (survey->filled & SURVEY_INFO_NOISE_DBM)
NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE,
survey->noise);
+ if (survey->filled & SURVEY_INFO_IN_USE)
+ NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE);
nla_nest_end(msg, infoattr);
|
