ath9k: implement rx/tx antenna control

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28107 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 46 insertions, 29 deletions

diff --git a/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch b/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch
index 6ae1323d2..fedd17f51 100644
--- a/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch
+++ b/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch
@@ -22,36 +22,53 @@
  }
 --- a/drivers/net/wireless/ath/ath9k/main.c
 +++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -226,6 +226,7 @@ static int ath_set_channel(struct ath_so
- 	bool fastcc = true, stopped;
- 	struct ieee80211_channel *channel = hw->conf.channel;
- 	struct ath9k_hw_cal_data *caldata = NULL;
-+	u32 oldflags;
- 	int r;
+@@ -1654,9 +1654,10 @@ static int ath9k_config(struct ieee80211
  
- 	if (sc->sc_flags & SC_OP_INVALID)
-@@ -268,6 +269,24 @@ static int ath_set_channel(struct ath_so
- 	if (!stopped || !(sc->sc_flags & SC_OP_OFFCHANNEL))
- 		fastcc = false;
+ 	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+ 		struct ieee80211_channel *curchan = hw->conf.channel;
+-		struct ath9k_channel old_chan;
++		struct ath9k_channel old_chan, *hchan;
+ 		int pos = curchan->hw_value;
+ 		int old_pos = -1;
++		u32 oldflags;
+ 		unsigned long flags;
  
-+	oldflags = hchan->channelFlags;
-+	switch (sc->chan_bw) {
-+	case 5:
-+		hchan->channelFlags &= ~CHANNEL_HALF;
-+		hchan->channelFlags |= CHANNEL_QUARTER;
-+		break;
-+	case 10:
-+		hchan->channelFlags &= ~CHANNEL_QUARTER;
-+		hchan->channelFlags |= CHANNEL_HALF;
-+		break;
-+	default:
-+		hchan->channelFlags &= ~(CHANNEL_HALF | CHANNEL_QUARTER);
-+		break;
-+	}
-+
-+	if (oldflags != hchan->channelFlags)
-+		fastcc = false;
+ 		if (ah->curchan)
+@@ -1709,7 +1710,23 @@ static int ath9k_config(struct ieee80211
+ 			memset(&sc->survey[pos], 0, sizeof(struct survey_info));
+ 		}
+ 
+-		if (ath_set_channel(sc, hw, &sc->sc_ah->channels[pos]) < 0) {
++		hchan = &sc->sc_ah->channels[pos];
++		oldflags = hchan->channelFlags;
++		switch (sc->chan_bw) {
++		case 5:
++			hchan->channelFlags &= ~CHANNEL_HALF;
++			hchan->channelFlags |= CHANNEL_QUARTER;
++			break;
++		case 10:
++			hchan->channelFlags &= ~CHANNEL_QUARTER;
++			hchan->channelFlags |= CHANNEL_HALF;
++			break;
++		default:
++			hchan->channelFlags &= ~(CHANNEL_HALF | CHANNEL_QUARTER);
++			break;
++		}
 +
- 	if (!(sc->sc_flags & SC_OP_OFFCHANNEL))
- 		caldata = &sc->caldata;
++		if (ath_set_channel(sc, hw, hchan) < 0) {
+ 			ath_err(common, "Unable to set channel\n");
+ 			mutex_unlock(&sc->mutex);
+ 			return -EINVAL;
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1504,6 +1504,10 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+ 	}
+ 	ah->noise = ath9k_hw_getchan_noise(ah, chan);
  
++	if (!ah->curchan || ((ah->curchan->channelFlags ^ chan->channelFlags) &
++	    (CHANNEL_HALF | CHANNEL_QUARTER)))
++		bChannelChange = false;
++
+ 	if (bChannelChange &&
+ 	    (ah->chip_fullsleep != true) &&
+ 	    (ah->curchan != NULL) &&