diff options
Diffstat (limited to 'package/kernel/mac80211/patches/342-ath9k-add-support-for-reporting-tx-power-to-mac80211.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/342-ath9k-add-support-for-reporting-tx-power-to-mac80211.patch | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/342-ath9k-add-support-for-reporting-tx-power-to-mac80211.patch b/package/kernel/mac80211/patches/342-ath9k-add-support-for-reporting-tx-power-to-mac80211.patch new file mode 100644 index 0000000000..8bb41bd34a --- /dev/null +++ b/package/kernel/mac80211/patches/342-ath9k-add-support-for-reporting-tx-power-to-mac80211.patch @@ -0,0 +1,118 @@ +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, + }; |