nl80211: allow drivers to indicate whether the survey data channel is in use

Some user space applications only want to display survey data for
the operating channel, however there is no API to get that yet.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 9c84825803ce..0087c4323c53 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3489,6 +3489,8 @@ static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq,
         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);