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cfg80211: Add airtime statistics and settings

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This adds TX airtime statistics to the cfg80211 station dump (to go along
with the RX info already present), and adds a new parameter to set the
airtime weight of each station. The latter allows userspace to implement
policies for different stations by varying their weights.

Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
[rmanohar@codeaurora.org: fixed checkpatch warnings]
Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
[move airtime weight != 0 check into policy]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Toke Høiland-Jørgensen
2018-12-18 17:02:07 -08:00
committed by Johannes Berg
parent 1866760096
commit 36647055b3
3 changed files with 49 additions and 1 deletions
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15
include/uapi/linux/nl80211.h
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@@ -2299,6 +2299,9 @@ enum nl80211_commands {
* This is also used for capability advertisement in the wiphy information,
* with the appropriate sub-attributes.
*
* @NL80211_ATTR_AIRTIME_WEIGHT: Station's weight when scheduled by the airtime
* scheduler.
*
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
@@ -2748,6 +2751,8 @@ enum nl80211_attrs {
NL80211_ATTR_PEER_MEASUREMENTS,
NL80211_ATTR_AIRTIME_WEIGHT,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -3125,6 +3130,9 @@ enum nl80211_sta_bss_param {
* might not be fully accurate.
* @NL80211_STA_INFO_CONNECTED_TO_GATE: set to true if STA has a path to a
* mesh gate (u8, 0 or 1)
* @NL80211_STA_INFO_TX_DURATION: aggregate PPDU duration for all frames
* sent to the station (u64, usec)
* @NL80211_STA_INFO_AIRTIME_WEIGHT: current airtime weight for station (u16)
* @__NL80211_STA_INFO_AFTER_LAST: internal
* @NL80211_STA_INFO_MAX: highest possible station info attribute
*/
@@ -3168,6 +3176,8 @@ enum nl80211_sta_info {
NL80211_STA_INFO_RX_MPDUS,
NL80211_STA_INFO_FCS_ERROR_COUNT,
NL80211_STA_INFO_CONNECTED_TO_GATE,
NL80211_STA_INFO_TX_DURATION,
NL80211_STA_INFO_AIRTIME_WEIGHT,
/* keep last */
__NL80211_STA_INFO_AFTER_LAST,
@@ -5316,6 +5326,10 @@ enum nl80211_feature_flags {
* if this flag is not set. Ignoring this can leak clear text packets and/or
* freeze the connection.
*
* @NL80211_EXT_FEATURE_AIRTIME_FAIRNESS: Driver supports getting airtime
* fairness for transmitted packets and has enabled airtime fairness
* scheduling.
*
* @NUM_NL80211_EXT_FEATURES: number of extended features.
* @MAX_NL80211_EXT_FEATURES: highest extended feature index.
*/
@@ -5355,6 +5369,7 @@ enum nl80211_ext_feature_index {
NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT,
NL80211_EXT_FEATURE_CAN_REPLACE_PTK0,
NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER,
NL80211_EXT_FEATURE_AIRTIME_FAIRNESS,
/* add new features before the definition below */
NUM_NL80211_EXT_FEATURES,