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authorFelix Fietkau <nbd@nbd.name>2019-08-28 12:20:42 +0200
committerJohannes Berg <johannes.berg@intel.com>2019-08-30 12:28:44 +0200
commitc8cd6e7f159e6f8d79a23df4aeaa7a540415951b (patch)
tree8bbecf2f13065bb633e42dda0e476d3be5d8c3be /net/wireless
parentnl80211: add NL80211_CMD_UPDATE_FT_IES to supported commands (diff)
downloadlinux-c8cd6e7f159e6f8d79a23df4aeaa7a540415951b.tar.xz
linux-c8cd6e7f159e6f8d79a23df4aeaa7a540415951b.zip
cfg80211: add local BSS receive time to survey information
This is useful for checking how much airtime is being used up by other transmissions on the channel, e.g. by calculating (time_rx - time_bss_rx) or (time_busy - time_bss_rx - time_tx) Signed-off-by: Felix Fietkau <nbd@nbd.name> Link: https://lore.kernel.org/r/20190828102042.58016-1-nbd@nbd.name Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/nl80211.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 8a6cef949210..3e30e18d1d89 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -8806,6 +8806,10 @@ static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
survey->time_scan, NL80211_SURVEY_INFO_PAD))
goto nla_put_failure;
+ if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) &&
+ nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX,
+ survey->time_bss_rx, NL80211_SURVEY_INFO_PAD))
+ goto nla_put_failure;
nla_nest_end(msg, infoattr);