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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>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2014-11-04 16:56:57 +01:00 committed by John W. Linville
parent 71783576b5
commit d385c5c286
3 changed files with 40 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -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;

25
drivers/net/wireless/ath/ath9k/init.c
View File

@ -172,17 +172,20 @@ static void ath9k_reg_notifier(struct wiphy *wiphy,
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);
}
/*

29
drivers/net/wireless/ath/ath9k/main.c
View File

@ -233,8 +233,9 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start)
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) {
@ -1468,8 +1469,9 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
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);
@ -2591,6 +2593,24 @@ 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,
@ -2637,4 +2657,5 @@ 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,
};