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cfg80211: Add support to set tx power for a station associated

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This patch adds support to set transmit power setting type and transmit
power level attributes to NL80211_CMD_SET_STATION in order to facilitate
adjusting the transmit power level of a station associated to the AP.

The added attributes allow selection of automatic and limited transmit
power level, with the level defined in dBm format.

Co-developed-by: Balaji Pothunoori <bpothuno@codeaurora.org>
Signed-off-by: Ashok Raj Nagarajan <arnagara@codeaurora.org>
Signed-off-by: Balaji Pothunoori <bpothuno@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ashok Raj Nagarajan
2019-03-29 16:18:21 +05:30
committed by Johannes Berg
parent dbd50a851c
commit e96d1cd263
3 changed files with 80 additions and 0 deletions
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15
include/uapi/linux/nl80211.h
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@@ -2315,6 +2315,15 @@ enum nl80211_commands {
* @NL80211_ATTR_AIRTIME_WEIGHT: Station's weight when scheduled by the airtime
* scheduler.
*
* @NL80211_ATTR_STA_TX_POWER_SETTING: Transmit power setting type (u8) for
* station associated with the AP. See &enum nl80211_tx_power_setting for
* possible values.
* @NL80211_ATTR_STA_TX_POWER: Transmit power level (s16) in dBm units. This
* allows to set Tx power for a station. If this attribute is not included,
* the default per-interface tx power setting will be overriding. Driver
* should be picking up the lowest tx power, either tx power per-interface
* or per-station.
*
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
@@ -2765,6 +2774,8 @@ enum nl80211_attrs {
NL80211_ATTR_PEER_MEASUREMENTS,
NL80211_ATTR_AIRTIME_WEIGHT,
NL80211_ATTR_STA_TX_POWER_SETTING,
NL80211_ATTR_STA_TX_POWER,
/* add attributes here, update the policy in nl80211.c */
@@ -5391,6 +5402,9 @@ enum nl80211_feature_flags {
* @NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD: Driver supports
* filtering of sched scan results using band specific RSSI thresholds.
*
* @NL80211_EXT_FEATURE_STA_TX_PWR: This driver supports controlling tx power
* to a station.
*
* @NUM_NL80211_EXT_FEATURES: number of extended features.
* @MAX_NL80211_EXT_FEATURES: highest extended feature index.
*/
@@ -5434,6 +5448,7 @@ enum nl80211_ext_feature_index {
NL80211_EXT_FEATURE_AP_PMKSA_CACHING,
NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD,
NL80211_EXT_FEATURE_EXT_KEY_ID,
NL80211_EXT_FEATURE_STA_TX_PWR,
/* add new features before the definition below */
NUM_NL80211_EXT_FEATURES,