diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2010-10-09 02:39:29 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-10-11 21:04:20 +0200 |
| commit | 8610c29a2c9f273886b1c31ae4d92c69d4326262 (patch) | |
| tree | c0424e55a67e0a2a1c7f1d72a9d807c442da5a9c /include/net | |
| parent | mac80211: temporarily disable reorder release timer (diff) | |
| download | linux-8610c29a2c9f273886b1c31ae4d92c69d4326262.tar.xz linux-8610c29a2c9f273886b1c31ae4d92c69d4326262.zip | |
cfg80211: add channel utilization stats to the survey command
Using these, user space can calculate a relative channel utilization
with arbitrary intervals by regularly taking snapshots of the survey
results.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/cfg80211.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index f920a06f363e..24d5b5869272 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -294,6 +294,11 @@ struct key_params { * * @SURVEY_INFO_NOISE_DBM: noise (in dBm) was filled in * @SURVEY_INFO_IN_USE: channel is currently being used + * @SURVEY_INFO_CHANNEL_TIME: channel active time (in ms) was filled in + * @SURVEY_INFO_CHANNEL_TIME_BUSY: channel busy time was filled in + * @SURVEY_INFO_CHANNEL_TIME_EXT_BUSY: extension channel busy time was filled in + * @SURVEY_INFO_CHANNEL_TIME_RX: channel receive time was filled in + * @SURVEY_INFO_CHANNEL_TIME_TX: channel transmit time was filled in * * Used by the driver to indicate which info in &struct survey_info * it has filled in during the get_survey(). @@ -301,6 +306,11 @@ struct key_params { enum survey_info_flags { SURVEY_INFO_NOISE_DBM = 1<<0, SURVEY_INFO_IN_USE = 1<<1, + SURVEY_INFO_CHANNEL_TIME = 1<<2, + SURVEY_INFO_CHANNEL_TIME_BUSY = 1<<3, + SURVEY_INFO_CHANNEL_TIME_EXT_BUSY = 1<<4, + SURVEY_INFO_CHANNEL_TIME_RX = 1<<5, + SURVEY_INFO_CHANNEL_TIME_TX = 1<<6, }; /** @@ -310,6 +320,11 @@ enum survey_info_flags { * @filled: bitflag of flags from &enum survey_info_flags * @noise: channel noise in dBm. This and all following fields are * optional + * @channel_time: amount of time in ms the radio spent on the channel + * @channel_time_busy: amount of time the primary channel was sensed busy + * @channel_time_ext_busy: amount of time the extension channel was sensed busy + * @channel_time_rx: amount of time the radio spent receiving data + * @channel_time_tx: amount of time the radio spent transmitting data * * Used by dump_survey() to report back per-channel survey information. * @@ -318,6 +333,11 @@ enum survey_info_flags { */ struct survey_info { struct ieee80211_channel *channel; + u64 channel_time; + u64 channel_time_busy; + u64 channel_time_ext_busy; + u64 channel_time_rx; + u64 channel_time_tx; u32 filled; s8 noise; }; |