> On Mon, 2014-12-01 at 11:30 +0100, Lorenzo Bianconi wrote:
>> Enable/disable per packet Transmit Power Control (TPC) in lower drivers
>> according to TX power settings configured by the user. In particular TPC is
>> enabled if value passed in enum nl80211_tx_power_setting is
>> NL80211_TX_POWER_AUTOMATIC (no limit from userspace) or
>> NL80211_TX_POWER_LIMITED (allow using less than specified from userspace),
>> whereas TPC is disabled if nl80211_tx_power_setting is set to
>> NL80211_TX_POWER_FIXED (use value configured from userspace)
>>
>> Signed-off-by: Lorenzo Bianconi <lorenzo.biancon...@gmail.com>
>> ---
>> include/net/mac80211.h | 10 ++++++++++
>> net/mac80211/cfg.c | 6 +++++-
>> net/mac80211/ieee80211_i.h | 1 +
>> net/mac80211/iface.c | 8 +++++++-
>> net/mac80211/main.c | 8 +++++++-
>> 5 files changed, 30 insertions(+), 3 deletions(-)
>>
>> diff --git a/include/net/mac80211.h b/include/net/mac80211.h
>> index cff3a26..7dd2432 100644
>> --- a/include/net/mac80211.h
>> +++ b/include/net/mac80211.h
>> @@ -376,6 +376,8 @@ enum ieee80211_rssi_event {
>> * @ssid_len: Length of SSID given in @ssid.
>> * @hidden_ssid: The SSID of the current vif is hidden. Only valid in
>> AP-mode.
>> * @txpower: TX power in dBm
>> + * @tpc_enabled: enable/disable per packet Transmit Power Control (TPC) for
>> the
>> + * current vif
>
> Why not put the enum nl80211_tx_power_setting value here?
>
ack
>> struct ieee80211_conf {
>> u32 flags;
>> int power_level, dynamic_ps_timeout;
>> + bool tpc_enabled;
>> int max_sleep_period;
>
> Do you need it here at all?
>
In multi-vif scenario, TPC could be enabled just on given interfaces,
but driver TPC registers should be configured anyway (so I used a glob
flag). However I can move that logic in driver code, what do you
suggest?
>> +++ b/net/mac80211/ieee80211_i.h
>> @@ -869,6 +869,7 @@ struct ieee80211_sub_if_data {
>>
>> int user_power_level; /* in dBm */
>> int ap_power_level; /* in dBm */
>> + enum nl80211_tx_power_setting tx_power_type;
>
> if you put this into bss_conf you can of course get rid of it here.
>
It sounds good to me. I can set nl80211_tx_power_setting value in
ieee80211_set_tx_power()
> johannes
>
Best regards,
Lorenzo
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