Commit 4797938c authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville
Browse files

mac80211: clean up channel type config 



The channel_type really doesn't need to be the only member in
a new structure, so remove the struct. Additionally, remove
the _CONF_CHANGE_HT flag and use _CONF_CHANGE_CHANNEL when the
channel type changes, since that's enough of a change to require
reprogramming the hardware anyway.

Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 47166791

drivers/net/wireless/ath9k/main.c

+2 −3
Original line number Diff line number Diff line
@@ -2117,8 +2117,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) 
	struct ieee80211_conf *conf = &hw->conf;



	mutex_lock(&sc->mutex);

	if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |

		       IEEE80211_CONF_CHANGE_HT)) {

	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {

		struct ieee80211_channel *curchan = hw->conf.channel;

		int pos;
@@ -2144,7 +2143,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) 


			sc->sc_ah->ah_channels[pos].chanmode =

				ath_get_extchanmode(sc, curchan,

						    conf->ht.channel_type);

						    conf->channel_type);

		}



		ath_update_chainmask(sc, conf_is_ht(conf));

include/net/mac80211.h

+7 −13
Original line number Diff line number Diff line
@@ -507,10 +507,6 @@ static inline int __deprecated __IEEE80211_CONF_SHORT_SLOT_TIME(void) 
}

#define IEEE80211_CONF_SHORT_SLOT_TIME (__IEEE80211_CONF_SHORT_SLOT_TIME())



struct ieee80211_ht_conf {

	enum nl80211_channel_type channel_type;

};



/**

 * enum ieee80211_conf_changed - denotes which configuration changed

 *
@@ -520,9 +516,8 @@ struct ieee80211_ht_conf { 
 * @IEEE80211_CONF_CHANGE_RADIOTAP: the radiotap flag changed

 * @IEEE80211_CONF_CHANGE_PS: the PS flag changed

 * @IEEE80211_CONF_CHANGE_POWER: the TX power changed

 * @IEEE80211_CONF_CHANGE_CHANNEL: the channel changed

 * @IEEE80211_CONF_CHANGE_CHANNEL: the channel/channel_type changed

 * @IEEE80211_CONF_CHANGE_RETRY_LIMITS: retry limits changed

 * @IEEE80211_CONF_CHANGE_HT: HT configuration changed

 */

enum ieee80211_conf_changed {

	IEEE80211_CONF_CHANGE_RADIO_ENABLED	= BIT(0),
@@ -533,7 +528,6 @@ enum ieee80211_conf_changed { 
	IEEE80211_CONF_CHANGE_POWER		= BIT(5),

	IEEE80211_CONF_CHANGE_CHANNEL		= BIT(6),

	IEEE80211_CONF_CHANGE_RETRY_LIMITS	= BIT(7),

	IEEE80211_CONF_CHANGE_HT		= BIT(8),

};



/**
@@ -547,7 +541,7 @@ enum ieee80211_conf_changed { 
 * @flags: configuration flags defined above

 * @power_level: requested transmit power (in dBm)

 * @channel: the channel to tune to

 * @ht: the HT configuration for the device

 * @channel_type: the channel (HT) type

 * @long_frame_max_tx_count: Maximum number of transmissions for a "long" frame

 *    (a frame not RTS protected), called "dot11LongRetryLimit" in 802.11,

 *    but actually means the number of transmissions not the number of retries
@@ -566,7 +560,7 @@ struct ieee80211_conf { 
	u8 long_frame_max_tx_count, short_frame_max_tx_count;



	struct ieee80211_channel *channel;

	struct ieee80211_ht_conf ht;

	enum nl80211_channel_type channel_type;

};



/**
@@ -1960,19 +1954,19 @@ void ieee80211_rate_control_unregister(struct rate_control_ops *ops); 
static inline bool

conf_is_ht20(struct ieee80211_conf *conf)

{

	return conf->ht.channel_type == NL80211_CHAN_HT20;

	return conf->channel_type == NL80211_CHAN_HT20;

}



static inline bool

conf_is_ht40_minus(struct ieee80211_conf *conf)

{

	return conf->ht.channel_type == NL80211_CHAN_HT40MINUS;

	return conf->channel_type == NL80211_CHAN_HT40MINUS;

}



static inline bool

conf_is_ht40_plus(struct ieee80211_conf *conf)

{

	return conf->ht.channel_type == NL80211_CHAN_HT40PLUS;

	return conf->channel_type == NL80211_CHAN_HT40PLUS;

}



static inline bool
@@ -1984,7 +1978,7 @@ conf_is_ht40(struct ieee80211_conf *conf) 
static inline bool

conf_is_ht(struct ieee80211_conf *conf)

{

	return conf->ht.channel_type != NL80211_CHAN_NO_HT;

	return conf->channel_type != NL80211_CHAN_NO_HT;

}



#endif /* MAC80211_H */

net/mac80211/ht.c

+5 −3
Original line number Diff line number Diff line
@@ -131,12 +131,14 @@ u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata, 
	}



	ht_changed = conf_is_ht(&local->hw.conf) != enable_ht ||

		     channel_type != local->hw.conf.ht.channel_type;

		     channel_type != local->hw.conf.channel_type;



	local->oper_channel_type = channel_type;



	if (ht_changed)

		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_HT);

	if (ht_changed) {

                /* channel_type change automatically detected */

		ieee80211_hw_config(local, 0);

        }



	/* disable HT */

	if (!enable_ht)

net/mac80211/main.c

+2 −2
Original line number Diff line number Diff line
@@ -208,9 +208,9 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed) 
	}



	if (chan != local->hw.conf.channel ||

	    channel_type != local->hw.conf.ht.channel_type) {

	    channel_type != local->hw.conf.channel_type) {

		local->hw.conf.channel = chan;

		local->hw.conf.ht.channel_type = channel_type;

		local->hw.conf.channel_type = channel_type;

		changed |= IEEE80211_CONF_CHANGE_CHANNEL;

	}

net/mac80211/mlme.c

+1 −1
Original line number Diff line number Diff line
@@ -901,8 +901,8 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, 


	rcu_read_unlock();



	/* channel(_type) changes are handled by ieee80211_hw_config */

	local->oper_channel_type = NL80211_CHAN_NO_HT;

	config_changed |= IEEE80211_CONF_CHANGE_HT;



	del_timer_sync(&local->dynamic_ps_timer);

	cancel_work_sync(&local->dynamic_ps_enable_work);

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