mt76: mt7615: introduce support for hardware beacon filter

Introduce support for hw beacon filter if available in the firmware
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7615/mcu.c

@@ -2652,6 +2652,47 @@ void m7615_mcu_set_ps_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
 				    &req, sizeof(req), false);
 }
 
+int mt7615_mcu_set_bss_pm(struct mt7615_dev *dev, struct ieee80211_vif *vif,
+			  bool enable)
+{
+	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+	struct {
+		u8 bss_idx;
+		u8 dtim_period;
+		__le16 aid;
+		__le16 bcn_interval;
+		__le16 atim_window;
+		u8 uapsd;
+		u8 bmc_delivered_ac;
+		u8 bmc_triggered_ac;
+		u8 pad;
+	} req = {
+		.bss_idx = mvif->idx,
+		.aid = cpu_to_le16(vif->bss_conf.aid),
+		.dtim_period = vif->bss_conf.dtim_period,
+		.bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
+	};
+	struct {
+		u8 bss_idx;
+		u8 pad[3];
+	} req_hdr = {
+		.bss_idx = mvif->idx,
+	};
+	int err;
+
+	if (vif->type != NL80211_IFTYPE_STATION ||
+	    !mt7615_firmware_offload(dev))
+		return -ENOTSUPP;
+
+	err = __mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_ABORT,
+				  &req_hdr, sizeof(req_hdr), false);
+	if (err < 0 || !enable)
+		return err;
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_CONNECTED,
+				   &req, sizeof(req), false);
+}
+
 int mt7615_mcu_set_channel_domain(struct mt7615_phy *phy)
 {
 	struct mt76_phy *mphy = phy->mt76;

drivers/net/wireless/mediatek/mt76/mt7615/mcu.h

@@ -419,6 +419,8 @@ enum {
 	MCU_CMD_START_HW_SCAN = MCU_CE_PREFIX | 0x03,
 	MCU_CMD_SET_PS_PROFILE = MCU_CE_PREFIX | 0x05,
 	MCU_CMD_SET_CHAN_DOMAIN = MCU_CE_PREFIX | 0x0f,
+	MCU_CMD_SET_BSS_CONNECTED = MCU_CE_PREFIX | 0x16,
+	MCU_CMD_SET_BSS_ABORT = MCU_CE_PREFIX | 0x17,
 	MCU_CMD_CANCEL_HW_SCAN = MCU_CE_PREFIX | 0x1b,
 	MCU_CMD_SCHED_SCAN_ENABLE = MCU_CE_PREFIX | 0x61,
 	MCU_CMD_SCHED_SCAN_REQ = MCU_CE_PREFIX | 0x62,

drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h

@@ -474,6 +474,8 @@ int mt7615_mac_wtbl_update_key(struct mt7615_dev *dev,
 			       enum set_key_cmd cmd);
 void mt7615_mac_reset_work(struct work_struct *work);
 
+int mt7615_mcu_set_bss_pm(struct mt7615_dev *dev, struct ieee80211_vif *vif,
+			  bool enable);
 int mt7615_mcu_wait_response(struct mt7615_dev *dev, int cmd, int seq);
 int mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
 			int len, bool wait_resp);