132 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
--- a/drivers/net/wireless/broadcom/b43/main.c
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+++ b/drivers/net/wireless/broadcom/b43/main.c
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@@ -1648,7 +1648,7 @@ static void b43_write_beacon_template(st
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 				  len, ram_offset, shm_size_offset, rate);
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 	/* Write the PHY TX control parameters. */
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-	antenna = B43_ANTENNA_DEFAULT;
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+	antenna = dev->tx_antenna;
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 	antenna = b43_antenna_to_phyctl(antenna);
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 	ctl = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL);
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 	/* We can't send beacons with short preamble. Would get PHY errors. */
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@@ -3297,8 +3297,8 @@ static int b43_chip_init(struct b43_wlde
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 	/* Select the antennae */
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 	if (phy->ops->set_rx_antenna)
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-		phy->ops->set_rx_antenna(dev, B43_ANTENNA_DEFAULT);
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-	b43_mgmtframe_txantenna(dev, B43_ANTENNA_DEFAULT);
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+		phy->ops->set_rx_antenna(dev, dev->rx_antenna);
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+	b43_mgmtframe_txantenna(dev, dev->tx_antenna);
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 	if (phy->type == B43_PHYTYPE_B) {
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 		value16 = b43_read16(dev, 0x005E);
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@@ -3998,7 +3998,6 @@ static int b43_op_config(struct ieee8021
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 	struct b43_wldev *dev = wl->current_dev;
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 	struct b43_phy *phy = &dev->phy;
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 	struct ieee80211_conf *conf = &hw->conf;
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-	int antenna;
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 	int err = 0;
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 	mutex_lock(&wl->mutex);
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@@ -4041,11 +4040,9 @@ static int b43_op_config(struct ieee8021
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 	}
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 	/* Antennas for RX and management frame TX. */
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-	antenna = B43_ANTENNA_DEFAULT;
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-	b43_mgmtframe_txantenna(dev, antenna);
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-	antenna = B43_ANTENNA_DEFAULT;
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+	b43_mgmtframe_txantenna(dev, dev->tx_antenna);
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 	if (phy->ops->set_rx_antenna)
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-		phy->ops->set_rx_antenna(dev, antenna);
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+		phy->ops->set_rx_antenna(dev, dev->rx_antenna);
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 	if (wl->radio_enabled != phy->radio_on) {
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 		if (wl->radio_enabled) {
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@@ -5189,6 +5186,47 @@ static int b43_op_get_survey(struct ieee
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 	return 0;
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 }
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+static int b43_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
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+{
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+	struct b43_wl *wl = hw_to_b43_wl(hw);
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+	struct b43_wldev *dev = wl->current_dev;
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+
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+	if (tx_ant == 1 && rx_ant == 1) {
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+		dev->tx_antenna = B43_ANTENNA0;
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+		dev->rx_antenna = B43_ANTENNA0;
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+	}
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+	else if (tx_ant == 2 && rx_ant == 2) {
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+		dev->tx_antenna = B43_ANTENNA1;
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+		dev->rx_antenna = B43_ANTENNA1;
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+	}
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+	else if ((tx_ant & 3) == 3 && (rx_ant & 3) == 3) {
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+		dev->tx_antenna = B43_ANTENNA_DEFAULT;
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+		dev->rx_antenna = B43_ANTENNA_DEFAULT;
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+	}
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+	else {
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+		return -EINVAL;
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+	}
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+
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+	return 0;
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+}
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+
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+
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+static int b43_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
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+{
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+	struct b43_wl *wl = hw_to_b43_wl(hw);
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+	struct b43_wldev *dev = wl->current_dev;
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+
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+	switch (dev->tx_antenna) {
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+	case B43_ANTENNA0:
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+		*tx_ant = 1; *rx_ant = 1; break;
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+	case B43_ANTENNA1:
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+		*tx_ant = 2; *rx_ant = 2; break;
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+	case B43_ANTENNA_DEFAULT:
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+		*tx_ant = 3; *rx_ant = 3; break;
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+	}
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+	return 0;
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+}
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+
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 static const struct ieee80211_ops b43_hw_ops = {
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 	.tx			= b43_op_tx,
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 	.conf_tx		= b43_op_conf_tx,
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@@ -5210,6 +5248,8 @@ static const struct ieee80211_ops b43_hw
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 	.sw_scan_complete	= b43_op_sw_scan_complete_notifier,
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 	.get_survey		= b43_op_get_survey,
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 	.rfkill_poll		= b43_rfkill_poll,
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+	.set_antenna		= b43_op_set_antenna,
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+	.get_antenna		= b43_op_get_antenna,
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 };
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 /* Hard-reset the chip. Do not call this directly.
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@@ -5513,6 +5553,8 @@ static int b43_one_core_attach(struct b4
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 	if (!wldev)
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 		goto out;
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+	wldev->rx_antenna = B43_ANTENNA_DEFAULT;
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+	wldev->tx_antenna = B43_ANTENNA_DEFAULT;
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 	wldev->use_pio = b43_modparam_pio;
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 	wldev->dev = dev;
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 	wldev->wl = wl;
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@@ -5603,6 +5645,9 @@ static struct b43_wl *b43_wireless_init(
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 	hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
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+	hw->wiphy->available_antennas_rx = 0x3;
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+	hw->wiphy->available_antennas_tx = 0x3;
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+
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 	wl->hw_registred = false;
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 	hw->max_rates = 2;
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 	SET_IEEE80211_DEV(hw, dev->dev);
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--- a/drivers/net/wireless/broadcom/b43/b43.h
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+++ b/drivers/net/wireless/broadcom/b43/b43.h
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@@ -840,6 +840,8 @@ struct b43_wldev {
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 	bool hwcrypto_enabled;		/* TRUE, if HW crypto acceleration is enabled. */
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 	bool use_pio;			/* TRUE if next init should use PIO */
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 	int gpiomask;			/* GPIO LED mask as a module parameter */
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+	int rx_antenna;			/* Used RX antenna (B43_ANTENNAxxx) */
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+	int tx_antenna;			/* Used TX antenna (B43_ANTENNAxxx) */
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 	/* PHY/Radio device. */
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 	struct b43_phy phy;
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