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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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22
include/net/cfg80211.h
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@@ -975,6 +975,27 @@ enum station_parameters_apply_mask {
STATION_PARAM_APPLY_UAPSD = BIT(0),
STATION_PARAM_APPLY_CAPABILITY = BIT(1),
STATION_PARAM_APPLY_PLINK_STATE = BIT(2),
STATION_PARAM_APPLY_STA_TXPOWER = BIT(3),
};
/**
* struct sta_txpwr - station txpower configuration
*
* Used to configure txpower for station.
*
* @power: tx power (in dBm) to be used for sending data traffic. If tx power
* is not provided, 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.
* @type: In particular if TPC %type is NL80211_TX_POWER_LIMITED then tx power
* will be less than or equal to specified from userspace, whereas if TPC
* %type is NL80211_TX_POWER_AUTOMATIC then it indicates default tx power.
* NL80211_TX_POWER_FIXED is not a valid configuration option for
* per peer TPC.
*/
struct sta_txpwr {
s16 power;
enum nl80211_tx_power_setting type;
};
/**
@@ -1049,6 +1070,7 @@ struct station_parameters {
const struct ieee80211_he_cap_elem *he_capa;
u8 he_capa_len;
u16 airtime_weight;
struct sta_txpwr txpwr;
};
/**