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Commit e239d859 authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
Browse files

ath9k: implement coverage class support 



Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 0005baf4

drivers/net/wireless/ath/ath9k/hw.c

+5 −2
Original line number Diff line number Diff line
@@ -1195,6 +1195,7 @@ void ath9k_hw_init_global_settings(struct ath_hw *ah) 
{

	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;

	int acktimeout;

	int slottime;

	int sifstime;



	ath_print(ath9k_hw_common(ah), ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
@@ -1209,8 +1210,10 @@ void ath9k_hw_init_global_settings(struct ath_hw *ah) 
	else

		sifstime = 10;



	acktimeout = ah->slottime + sifstime;

	ath9k_hw_setslottime(ah, ah->slottime);

	/* As defined by IEEE 802.11-2007 17.3.8.6 */

	slottime = ah->slottime + 3 * ah->coverage_class;

	acktimeout = slottime + sifstime;

	ath9k_hw_setslottime(ah, slottime);

	ath9k_hw_set_ack_timeout(ah, acktimeout);

	ath9k_hw_set_cts_timeout(ah, acktimeout);

	if (ah->globaltxtimeout != (u32) -1)

drivers/net/wireless/ath/ath9k/hw.h

+1 −0
Original line number Diff line number Diff line
@@ -551,6 +551,7 @@ struct ath_hw { 
	u32 *bank6Temp;



	int16_t txpower_indexoffset;

	int coverage_class;

	u32 beacon_interval;

	u32 slottime;

	u32 globaltxtimeout;

drivers/net/wireless/ath/ath9k/main.c

+13 −0
Original line number Diff line number Diff line
@@ -2014,6 +2014,18 @@ static void ath9k_sw_scan_complete(struct ieee80211_hw *hw) 
	mutex_unlock(&sc->mutex);

}



static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)

{

	struct ath_wiphy *aphy = hw->priv;

	struct ath_softc *sc = aphy->sc;

	struct ath_hw *ah = sc->sc_ah;



	mutex_lock(&sc->mutex);

	ah->coverage_class = coverage_class;

	ath9k_hw_init_global_settings(ah);

	mutex_unlock(&sc->mutex);

}



struct ieee80211_ops ath9k_ops = {

	.tx 		    = ath9k_tx,

	.start 		    = ath9k_start,
@@ -2033,4 +2045,5 @@ struct ieee80211_ops ath9k_ops = { 
	.sw_scan_start      = ath9k_sw_scan_start,

	.sw_scan_complete   = ath9k_sw_scan_complete,

	.rfkill_poll        = ath9k_rfkill_poll_state,

	.set_coverage_class = ath9k_set_coverage_class,

};