mt76: mt76_connac: move hw_scan and sched_scan routine in mt76_connac_mcu module

Move hw_scan/sched_scan in mt76_connac_mcu module in order to be reused in
mt7615 and mt7921 drivers

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 139 insertions, 0 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
index eb5e7b817d31..8b6c1cd012f6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
@@ -6,6 +6,11 @@
 
 #include "mt76.h"
 
+#define MT76_CONNAC_SCAN_IE_LEN			600
+#define MT76_CONNAC_MAX_SCHED_SCAN_INTERVAL	10
+#define MT76_CONNAC_MAX_SCHED_SCAN_SSID		10
+#define MT76_CONNAC_MAX_SCAN_MATCH		16
+
 enum {
 	CMD_CBW_20MHZ = IEEE80211_STA_RX_BW_20,
 	CMD_CBW_40MHZ = IEEE80211_STA_RX_BW_40,
@@ -652,6 +657,129 @@ struct mt76_connac_mcu_bss_event {
 	u8 pad;
 } __packed;
 
+struct mt76_connac_mcu_scan_ssid {
+	__le32 ssid_len;
+	u8 ssid[IEEE80211_MAX_SSID_LEN];
+} __packed;
+
+struct mt76_connac_mcu_scan_channel {
+	u8 band; /* 1: 2.4GHz
+		  * 2: 5.0GHz
+		  * Others: Reserved
+		  */
+	u8 channel_num;
+} __packed;
+
+struct mt76_connac_mcu_scan_match {
+	__le32 rssi_th;
+	u8 ssid[IEEE80211_MAX_SSID_LEN];
+	u8 ssid_len;
+	u8 rsv[3];
+} __packed;
+
+struct mt76_connac_hw_scan_req {
+	u8 seq_num;
+	u8 bss_idx;
+	u8 scan_type; /* 0: PASSIVE SCAN
+		       * 1: ACTIVE SCAN
+		       */
+	u8 ssid_type; /* BIT(0) wildcard SSID
+		       * BIT(1) P2P wildcard SSID
+		       * BIT(2) specified SSID + wildcard SSID
+		       * BIT(2) + ssid_type_ext BIT(0) specified SSID only
+		       */
+	u8 ssids_num;
+	u8 probe_req_num; /* Number of probe request for each SSID */
+	u8 scan_func; /* BIT(0) Enable random MAC scan
+		       * BIT(1) Disable DBDC scan type 1~3.
+		       * BIT(2) Use DBDC scan type 3 (dedicated one RF to scan).
+		       */
+	u8 version; /* 0: Not support fields after ies.
+		     * 1: Support fields after ies.
+		     */
+	struct mt76_connac_mcu_scan_ssid ssids[4];
+	__le16 probe_delay_time;
+	__le16 channel_dwell_time; /* channel Dwell interval */
+	__le16 timeout_value;
+	u8 channel_type; /* 0: Full channels
+			  * 1: Only 2.4GHz channels
+			  * 2: Only 5GHz channels
+			  * 3: P2P social channel only (channel #1, #6 and #11)
+			  * 4: Specified channels
+			  * Others: Reserved
+			  */
+	u8 channels_num; /* valid when channel_type is 4 */
+	/* valid when channels_num is set */
+	struct mt76_connac_mcu_scan_channel channels[32];
+	__le16 ies_len;
+	u8 ies[MT76_CONNAC_SCAN_IE_LEN];
+	/* following fields are valid if version > 0 */
+	u8 ext_channels_num;
+	u8 ext_ssids_num;
+	__le16 channel_min_dwell_time;
+	struct mt76_connac_mcu_scan_channel ext_channels[32];
+	struct mt76_connac_mcu_scan_ssid ext_ssids[6];
+	u8 bssid[ETH_ALEN];
+	u8 random_mac[ETH_ALEN]; /* valid when BIT(1) in scan_func is set. */
+	u8 pad[63];
+	u8 ssid_type_ext;
+} __packed;
+
+#define MT76_CONNAC_SCAN_DONE_EVENT_MAX_CHANNEL_NUM		64
+
+struct mt76_connac_hw_scan_done {
+	u8 seq_num;
+	u8 sparse_channel_num;
+	struct mt76_connac_mcu_scan_channel sparse_channel;
+	u8 complete_channel_num;
+	u8 current_state;
+	u8 version;
+	u8 pad;
+	__le32 beacon_scan_num;
+	u8 pno_enabled;
+	u8 pad2[3];
+	u8 sparse_channel_valid_num;
+	u8 pad3[3];
+	u8 channel_num[MT76_CONNAC_SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
+	/* idle format for channel_idle_time
+	 * 0: first bytes: idle time(ms) 2nd byte: dwell time(ms)
+	 * 1: first bytes: idle time(8ms) 2nd byte: dwell time(8ms)
+	 * 2: dwell time (16us)
+	 */
+	__le16 channel_idle_time[MT76_CONNAC_SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
+	/* beacon and probe response count */
+	u8 beacon_probe_num[MT76_CONNAC_SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
+	u8 mdrdy_count[MT76_CONNAC_SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
+	__le32 beacon_2g_num;
+	__le32 beacon_5g_num;
+} __packed;
+
+struct mt76_connac_sched_scan_req {
+	u8 version;
+	u8 seq_num;
+	u8 stop_on_match;
+	u8 ssids_num;
+	u8 match_num;
+	u8 pad;
+	__le16 ie_len;
+	struct mt76_connac_mcu_scan_ssid ssids[MT76_CONNAC_MAX_SCHED_SCAN_SSID];
+	struct mt76_connac_mcu_scan_match match[MT76_CONNAC_MAX_SCAN_MATCH];
+	u8 channel_type;
+	u8 channels_num;
+	u8 intervals_num;
+	u8 scan_func; /* BIT(0) eable random mac address */
+	struct mt76_connac_mcu_scan_channel channels[64];
+	__le16 intervals[MT76_CONNAC_MAX_SCHED_SCAN_INTERVAL];
+	u8 random_mac[ETH_ALEN]; /* valid when BIT(0) in scan_func is set */
+	u8 pad2[58];
+} __packed;
+
+struct mt76_connac_sched_scan_done {
+	u8 seq_num;
+	u8 status; /* 0: ssid found */
+	__le16 pad;
+} __packed;
+
 struct bss_info_uni_he {
 	__le16 tag;
 	__le16 len;
@@ -726,4 +854,15 @@ int mt76_connac_mcu_start_patch(struct mt76_dev *dev);
 int mt76_connac_mcu_patch_sem_ctrl(struct mt76_dev *dev, bool get);
 int mt76_connac_mcu_start_firmware(struct mt76_dev *dev, u32 addr, u32 option);
 
+int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif,
+			    struct ieee80211_scan_request *scan_req);
+int mt76_connac_mcu_cancel_hw_scan(struct mt76_phy *phy,
+				   struct ieee80211_vif *vif);
+int mt76_connac_mcu_sched_scan_req(struct mt76_phy *phy,
+				   struct ieee80211_vif *vif,
+				   struct cfg80211_sched_scan_request *sreq);
+int mt76_connac_mcu_sched_scan_enable(struct mt76_phy *phy,
+				      struct ieee80211_vif *vif,
+				      bool enable);
+
 #endif /* __MT76_CONNAC_MCU_H */