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cfg80211: add scan time to survey data

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Add the time spent scanning to the survey data so it can be
reported by drivers that collect such information.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2014-11-14 16:44:11 +01:00
parent 11f78ac32b
commit 052536abfa
4 changed files with 16 additions and 2 deletions
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4
include/net/cfg80211.h
View File

@ -525,6 +525,7 @@ ieee80211_chandef_max_power(struct cfg80211_chan_def *chandef)
* @SURVEY_INFO_TIME_EXT_BUSY: extension channel busy time was filled in * @SURVEY_INFO_TIME_EXT_BUSY: extension channel busy time was filled in
* @SURVEY_INFO_TIME_RX: receive time was filled in * @SURVEY_INFO_TIME_RX: receive time was filled in
* @SURVEY_INFO_TIME_TX: transmit time was filled in * @SURVEY_INFO_TIME_TX: transmit time was filled in
* @SURVEY_INFO_TIME_SCAN: scan time was filled in
* *
* Used by the driver to indicate which info in &struct survey_info * Used by the driver to indicate which info in &struct survey_info
* it has filled in during the get_survey(). * it has filled in during the get_survey().
@ -537,6 +538,7 @@ enum survey_info_flags {
SURVEY_INFO_TIME_EXT_BUSY = BIT(4), SURVEY_INFO_TIME_EXT_BUSY = BIT(4),
SURVEY_INFO_TIME_RX = BIT(5), SURVEY_INFO_TIME_RX = BIT(5),
SURVEY_INFO_TIME_TX = BIT(6), SURVEY_INFO_TIME_TX = BIT(6),
SURVEY_INFO_TIME_SCAN = BIT(7),
}; };
/** /**
@ -552,6 +554,7 @@ enum survey_info_flags {
* @time_ext_busy: amount of time the extension channel was sensed busy * @time_ext_busy: amount of time the extension channel was sensed busy
* @time_rx: amount of time the radio spent receiving data * @time_rx: amount of time the radio spent receiving data
* @time_tx: amount of time the radio spent transmitting data * @time_tx: amount of time the radio spent transmitting data
* @time_scan: amount of time the radio spent for scanning
* *
* Used by dump_survey() to report back per-channel survey information. * Used by dump_survey() to report back per-channel survey information.
* *
@ -565,6 +568,7 @@ struct survey_info {
u64 time_ext_busy; u64 time_ext_busy;
u64 time_rx; u64 time_rx;
u64 time_tx; u64 time_tx;
u64 time_scan;
u32 filled; u32 filled;
s8 noise; s8 noise;
}; };

3
include/uapi/linux/nl80211.h
View File

@ -2835,6 +2835,8 @@ enum nl80211_user_reg_hint_type {
* receiving data (on channel or globally) * receiving data (on channel or globally)
* @NL80211_SURVEY_INFO_TIME_TX: amount of time the radio spent * @NL80211_SURVEY_INFO_TIME_TX: amount of time the radio spent
* transmitting data (on channel or globally) * transmitting data (on channel or globally)
* @NL80211_SURVEY_INFO_TIME_SCAN: time the radio spent for scan
* (on this channel or globally)
* @NL80211_SURVEY_INFO_MAX: highest survey info attribute number * @NL80211_SURVEY_INFO_MAX: highest survey info attribute number
* currently defined * currently defined
* @__NL80211_SURVEY_INFO_AFTER_LAST: internal use * @__NL80211_SURVEY_INFO_AFTER_LAST: internal use
@ -2849,6 +2851,7 @@ enum nl80211_survey_info {
NL80211_SURVEY_INFO_TIME_EXT_BUSY, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
NL80211_SURVEY_INFO_TIME_RX, NL80211_SURVEY_INFO_TIME_RX,
NL80211_SURVEY_INFO_TIME_TX, NL80211_SURVEY_INFO_TIME_TX,
NL80211_SURVEY_INFO_TIME_SCAN,
/* keep last */ /* keep last */
__NL80211_SURVEY_INFO_AFTER_LAST, __NL80211_SURVEY_INFO_AFTER_LAST,

4
net/wireless/nl80211.c
View File

@ -6667,6 +6667,10 @@ static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
nla_put_u64(msg, NL80211_SURVEY_INFO_TIME_TX, nla_put_u64(msg, NL80211_SURVEY_INFO_TIME_TX,
survey->time_tx)) survey->time_tx))
goto nla_put_failure; goto nla_put_failure;
if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
nla_put_u64(msg, NL80211_SURVEY_INFO_TIME_SCAN,
survey->time_scan))
goto nla_put_failure;
nla_nest_end(msg, infoattr); nla_nest_end(msg, infoattr);

7
net/wireless/trace.h
View File

@ -1609,6 +1609,7 @@ TRACE_EVENT(rdev_return_int_survey_info,
__field(u64, time_ext_busy) __field(u64, time_ext_busy)
__field(u64, time_rx) __field(u64, time_rx)
__field(u64, time_tx) __field(u64, time_tx)
__field(u64, time_scan)
__field(u32, filled) __field(u32, filled)
__field(s8, noise) __field(s8, noise)
), ),
@ -1621,17 +1622,19 @@ TRACE_EVENT(rdev_return_int_survey_info,
__entry->time_ext_busy = info->time_ext_busy; __entry->time_ext_busy = info->time_ext_busy;
__entry->time_rx = info->time_rx; __entry->time_rx = info->time_rx;
__entry->time_tx = info->time_tx; __entry->time_tx = info->time_tx;
__entry->time_scan = info->time_scan;
__entry->filled = info->filled; __entry->filled = info->filled;
__entry->noise = info->noise; __entry->noise = info->noise;
), ),
TP_printk(WIPHY_PR_FMT ", returned: %d, " CHAN_PR_FMT TP_printk(WIPHY_PR_FMT ", returned: %d, " CHAN_PR_FMT
", channel time: %llu, channel time busy: %llu, " ", channel time: %llu, channel time busy: %llu, "
"channel time extension busy: %llu, channel time rx: %llu, " "channel time extension busy: %llu, channel time rx: %llu, "
"channel time tx: %llu, filled: %u, noise: %d", "channel time tx: %llu, scan time: %llu, filled: %u, noise: %d",
WIPHY_PR_ARG, __entry->ret, CHAN_PR_ARG, WIPHY_PR_ARG, __entry->ret, CHAN_PR_ARG,
__entry->time, __entry->time_busy, __entry->time, __entry->time_busy,
__entry->time_ext_busy, __entry->time_rx, __entry->time_ext_busy, __entry->time_rx,
__entry->time_tx, __entry->filled, __entry->noise) __entry->time_tx, __entry->time_scan,
__entry->filled, __entry->noise)
); );
TRACE_EVENT(rdev_tdls_oper, TRACE_EVENT(rdev_tdls_oper,