Commit 21338c5b authored by Chris Chiu's avatar Chris Chiu Committed by Kalle Valo
Browse files

rtl8xxxu: feed antenna information for cfg80211 



Fill up the available TX/RX antenna so the iw commands can show
correct antenna information for different chips.

Signed-off-by: default avatarChris Chiu <chris.chiu@canonical.com>
Signed-off-by: default avatarKalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220325035735.4745-2-chris.chiu@canonical.com
parent a0ff2a87

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c

+16 −0
Original line number Diff line number Diff line
@@ -1607,6 +1607,7 @@ static void rtl8xxxu_print_chipinfo(struct rtl8xxxu_priv *priv) 
static int rtl8xxxu_identify_chip(struct rtl8xxxu_priv *priv)

{

	struct device *dev = &priv->udev->dev;

	struct ieee80211_hw *hw = priv->hw;

	u32 val32, bonding;

	u16 val16;
@@ -1684,6 +1685,9 @@ static int rtl8xxxu_identify_chip(struct rtl8xxxu_priv *priv) 
		priv->has_wifi = 1;

	}



	hw->wiphy->available_antennas_tx = BIT(priv->tx_paths) - 1;

	hw->wiphy->available_antennas_rx = BIT(priv->rx_paths) - 1;



	switch (priv->rtl_chip) {

	case RTL8188E:

	case RTL8192E:
@@ -4282,6 +4286,17 @@ static void rtl8xxxu_cam_write(struct rtl8xxxu_priv *priv, 
	rtl8xxxu_debug = tmp_debug;

}



static

int rtl8xxxu_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)

{

	struct rtl8xxxu_priv *priv = hw->priv;



	*tx_ant = BIT(priv->tx_paths) - 1;

	*rx_ant = BIT(priv->rx_paths) - 1;



	return 0;

}



static void rtl8xxxu_sw_scan_start(struct ieee80211_hw *hw,

				   struct ieee80211_vif *vif, const u8 *mac)

{
@@ -6472,6 +6487,7 @@ static const struct ieee80211_ops rtl8xxxu_ops = { 
	.set_key = rtl8xxxu_set_key,

	.ampdu_action = rtl8xxxu_ampdu_action,

	.sta_statistics = rtl8xxxu_sta_statistics,

	.get_antenna = rtl8xxxu_get_antenna,

};



static int rtl8xxxu_parse_usb(struct rtl8xxxu_priv *priv,