mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-26 08:51:13 +00:00
119 lines
3.5 KiB
Diff
119 lines
3.5 KiB
Diff
From: Felix Fietkau <nbd@openwrt.org>
|
|
Date: Wed, 22 Oct 2014 18:18:04 +0200
|
|
Subject: [PATCH] ath9k: add support for reporting tx power to mac80211
|
|
|
|
Track it per channel context instead of in the softc
|
|
|
|
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
|
|
---
|
|
|
|
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
|
|
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
|
|
@@ -347,6 +347,7 @@ struct ath_chanctx {
|
|
|
|
int flush_timeout;
|
|
u16 txpower;
|
|
+ u16 cur_txpower;
|
|
bool offchannel;
|
|
bool stopped;
|
|
bool active;
|
|
@@ -987,7 +988,6 @@ struct ath_softc {
|
|
u8 gtt_cnt;
|
|
u32 intrstatus;
|
|
u16 ps_flags; /* PS_* */
|
|
- u16 curtxpow;
|
|
bool ps_enabled;
|
|
bool ps_idle;
|
|
short nbcnvifs;
|
|
--- a/drivers/net/wireless/ath/ath9k/init.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/init.c
|
|
@@ -172,17 +172,20 @@ static void ath9k_reg_notifier(struct wi
|
|
ath_reg_notifier_apply(wiphy, request, reg);
|
|
|
|
/* Set tx power */
|
|
- if (ah->curchan) {
|
|
- sc->cur_chan->txpower = 2 * ah->curchan->chan->max_power;
|
|
- ath9k_ps_wakeup(sc);
|
|
- ath9k_hw_set_txpowerlimit(ah, sc->cur_chan->txpower, false);
|
|
- sc->curtxpow = ath9k_hw_regulatory(ah)->power_limit;
|
|
- /* synchronize DFS detector if regulatory domain changed */
|
|
- if (sc->dfs_detector != NULL)
|
|
- sc->dfs_detector->set_dfs_domain(sc->dfs_detector,
|
|
- request->dfs_region);
|
|
- ath9k_ps_restore(sc);
|
|
- }
|
|
+ if (!ah->curchan)
|
|
+ return;
|
|
+
|
|
+ sc->cur_chan->txpower = 2 * ah->curchan->chan->max_power;
|
|
+ ath9k_ps_wakeup(sc);
|
|
+ ath9k_hw_set_txpowerlimit(ah, sc->cur_chan->txpower, false);
|
|
+ ath9k_cmn_update_txpow(ah, sc->cur_chan->cur_txpower,
|
|
+ sc->cur_chan->txpower,
|
|
+ &sc->cur_chan->cur_txpower);
|
|
+ /* synchronize DFS detector if regulatory domain changed */
|
|
+ if (sc->dfs_detector != NULL)
|
|
+ sc->dfs_detector->set_dfs_domain(sc->dfs_detector,
|
|
+ request->dfs_region);
|
|
+ ath9k_ps_restore(sc);
|
|
}
|
|
|
|
/*
|
|
--- a/drivers/net/wireless/ath/ath9k/main.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/main.c
|
|
@@ -233,8 +233,9 @@ static bool ath_complete_reset(struct at
|
|
|
|
ath9k_calculate_summary_state(sc, sc->cur_chan);
|
|
ath_startrecv(sc);
|
|
- ath9k_cmn_update_txpow(ah, sc->curtxpow,
|
|
- sc->cur_chan->txpower, &sc->curtxpow);
|
|
+ ath9k_cmn_update_txpow(ah, sc->cur_chan->cur_txpower,
|
|
+ sc->cur_chan->txpower,
|
|
+ &sc->cur_chan->cur_txpower);
|
|
clear_bit(ATH_OP_HW_RESET, &common->op_flags);
|
|
|
|
if (!sc->cur_chan->offchannel && start) {
|
|
@@ -1471,8 +1472,9 @@ static int ath9k_config(struct ieee80211
|
|
if (changed & IEEE80211_CONF_CHANGE_POWER) {
|
|
ath_dbg(common, CONFIG, "Set power: %d\n", conf->power_level);
|
|
sc->cur_chan->txpower = 2 * conf->power_level;
|
|
- ath9k_cmn_update_txpow(ah, sc->curtxpow,
|
|
- sc->cur_chan->txpower, &sc->curtxpow);
|
|
+ ath9k_cmn_update_txpow(ah, sc->cur_chan->cur_txpower,
|
|
+ sc->cur_chan->txpower,
|
|
+ &sc->cur_chan->cur_txpower);
|
|
}
|
|
|
|
mutex_unlock(&sc->mutex);
|
|
@@ -2594,6 +2596,24 @@ void ath9k_fill_chanctx_ops(void)
|
|
|
|
#endif
|
|
|
|
+static int ath9k_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
+ int *dbm)
|
|
+{
|
|
+ struct ath_softc *sc = hw->priv;
|
|
+ struct ath_vif *avp = (void *)vif->drv_priv;
|
|
+
|
|
+ mutex_lock(&sc->mutex);
|
|
+ if (avp->chanctx)
|
|
+ *dbm = avp->chanctx->cur_txpower;
|
|
+ else
|
|
+ *dbm = sc->cur_chan->cur_txpower;
|
|
+ mutex_unlock(&sc->mutex);
|
|
+
|
|
+ *dbm /= 2;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
struct ieee80211_ops ath9k_ops = {
|
|
.tx = ath9k_tx,
|
|
.start = ath9k_start,
|
|
@@ -2640,4 +2660,5 @@ struct ieee80211_ops ath9k_ops = {
|
|
#endif
|
|
.sw_scan_start = ath9k_sw_scan_start,
|
|
.sw_scan_complete = ath9k_sw_scan_complete,
|
|
+ .get_txpower = ath9k_get_txpower,
|
|
};
|