[nrf fromlist] net: wifi: Add Wi-Fi direct P2P discovery API support

Add supplicant api and  mgmt ops support for P2P discovery.

Upstream PR #: 97183

Signed-off-by: Kapil Bhatt <[email protected]>

Author: kapbh

include/zephyr/net/wifi_mgmt.h

@@ -139,6 +139,8 @@ enum net_request_wifi_cmd {
 	NET_REQUEST_WIFI_CMD_BSS_MAX_IDLE_PERIOD,
 	/** Configure background scanning */
 	NET_REQUEST_WIFI_CMD_BGSCAN,
+	/** Wi-Fi Direct (P2P) operations*/
+	NET_REQUEST_WIFI_CMD_P2P_OPER,
 	/** @cond INTERNAL_HIDDEN */
 	NET_REQUEST_WIFI_CMD_MAX
 	/** @endcond */
@@ -339,6 +341,11 @@ NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_WIFI_BSS_MAX_IDLE_PERIOD);
 
 NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_WIFI_BGSCAN);
 
+#define NET_REQUEST_WIFI_P2P_OPER						\
+	(NET_WIFI_BASE | NET_REQUEST_WIFI_CMD_P2P_OPER)
+
+NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_WIFI_P2P_OPER);
+
 /** @cond INTERNAL_HIDDEN */
 
 enum {
@@ -359,7 +366,7 @@ enum {
 	NET_EVENT_WIFI_CMD_AP_STA_CONNECTED_VAL,
 	NET_EVENT_WIFI_CMD_AP_STA_DISCONNECTED_VAL,
 	NET_EVENT_WIFI_CMD_SUPPLICANT_VAL,
-
+	NET_EVENT_WIFI_CMD_P2P_DEVICE_FOUND_VAL,
 	NET_EVENT_WIFI_CMD_MAX,
 };
 
@@ -406,6 +413,8 @@ enum net_event_wifi_cmd {
 	NET_MGMT_CMD(NET_EVENT_WIFI_CMD_AP_STA_DISCONNECTED),
 	/** Supplicant specific event */
 	NET_MGMT_CMD(NET_EVENT_WIFI_CMD_SUPPLICANT),
+	/** P2P device found */
+	NET_MGMT_CMD(NET_EVENT_WIFI_CMD_P2P_DEVICE_FOUND),
 };
 
 /** Event emitted for Wi-Fi scan result */
@@ -468,6 +477,51 @@ enum net_event_wifi_cmd {
 #define NET_EVENT_WIFI_AP_STA_DISCONNECTED			\
 	(NET_WIFI_EVENT | NET_EVENT_WIFI_CMD_AP_STA_DISCONNECTED)
 
+/** Event emitted for P2P device found event */
+#define NET_EVENT_WIFI_P2P_DEVICE_FOUND				\
+	(NET_WIFI_EVENT | NET_EVENT_WIFI_CMD_P2P_DEVICE_FOUND)
+
+#ifdef CONFIG_WIFI_NM_WPA_SUPPLICANT_P2P
+/** Maximum length for P2P device name */
+#define WIFI_P2P_DEVICE_NAME_MAX_LEN 32
+/** Size of P2P primary device type (8 bytes) */
+#define WIFI_P2P_PRI_DEV_TYPE_SIZE 8
+/** Maximum length for P2P primary device type string */
+#define WIFI_P2P_PRI_DEV_TYPE_STR_MAX_LEN 32
+/** Maximum length for P2P WPS configuration methods string */
+#define WIFI_P2P_CONFIG_METHODS_STR_MAX_LEN 16
+/** Maximum length for P2P manufacturer name */
+#define WIFI_P2P_MANUFACTURER_MAX_LEN 64
+/** Maximum length for P2P model name */
+#define WIFI_P2P_MODEL_NAME_MAX_LEN 32
+
+/** @brief Wi-Fi P2P device info */
+struct wifi_p2p_device_info {
+	/** Device MAC address */
+	uint8_t mac[WIFI_MAC_ADDR_LEN];
+	/** Device name (max 32 chars + null terminator) */
+	char device_name[WIFI_P2P_DEVICE_NAME_MAX_LEN + 1];
+	/** Primary device type */
+	uint8_t pri_dev_type[WIFI_P2P_PRI_DEV_TYPE_SIZE];
+	/** Primary device type string */
+	char pri_dev_type_str[WIFI_P2P_PRI_DEV_TYPE_STR_MAX_LEN];
+	/** Signal strength (RSSI) */
+	int8_t rssi;
+	/** WPS configuration methods supported */
+	uint16_t config_methods;
+	/** WPS configuration methods string */
+	char config_methods_str[WIFI_P2P_CONFIG_METHODS_STR_MAX_LEN];
+	/** Device capability */
+	uint8_t dev_capab;
+	/** Group capability */
+	uint8_t group_capab;
+	/** Manufacturer (max 64 chars + null terminator) */
+	char manufacturer[WIFI_P2P_MANUFACTURER_MAX_LEN + 1];
+	/** Model name (max 32 chars + null terminator) */
+	char model_name[WIFI_P2P_MODEL_NAME_MAX_LEN + 1];
+};
+#endif /* CONFIG_WIFI_NM_WPA_SUPPLICANT_P2P */
+
 /** @brief Wi-Fi version */
 struct wifi_version {
 	/** Driver version */
@@ -1114,6 +1168,9 @@ union wifi_mgmt_events {
 #endif /* CONFIG_WIFI_MGMT_RAW_SCAN_RESULTS */
 	struct wifi_twt_params twt_params;
 	struct wifi_ap_sta_info ap_sta_info;
+#ifdef CONFIG_WIFI_NM_WPA_SUPPLICANT_P2P
+	struct wifi_p2p_device_info p2p_device_info;
+#endif
 };
 
 /** @endcond */
@@ -1397,6 +1454,51 @@ struct wifi_wps_config_params {
 	char pin[WIFI_WPS_PIN_MAX_LEN + 1];
 };
 
+#ifdef CONFIG_WIFI_NM_WPA_SUPPLICANT_P2P
+/** Wi-Fi P2P operation */
+enum wifi_p2p_op {
+	/** P2P find/discovery */
+	WIFI_P2P_FIND = 0,
+	/** P2P stop find/discovery */
+	WIFI_P2P_STOP_FIND,
+	/** P2P query peer info use broadcast MAC (ff:ff:ff:ff:ff:ff) to list all peers,
+	 *  or specific MAC address to query a single peer
+	 */
+	WIFI_P2P_PEER,
+};
+
+/** Wi-Fi P2P discovery type */
+enum wifi_p2p_discovery_type {
+	/** Start with full scan, then only social channels */
+	WIFI_P2P_FIND_START_WITH_FULL = 0,
+	/** Only social channels (1, 6, 11) */
+	WIFI_P2P_FIND_ONLY_SOCIAL,
+	/** Progressive - scan through all channels one at a time */
+	WIFI_P2P_FIND_PROGRESSIVE,
+};
+
+/** Maximum number of P2P peers that can be returned in a single query */
+#define WIFI_P2P_MAX_PEERS CONFIG_WIFI_P2P_MAX_PEERS
+
+/** Wi-Fi P2P parameters */
+struct wifi_p2p_params {
+	/** P2P operation */
+	enum wifi_p2p_op oper;
+	/** Discovery type (for find operation) */
+	enum wifi_p2p_discovery_type discovery_type;
+	/** Timeout in seconds (0 = no timeout, run until stopped) */
+	uint16_t timeout;
+	/** Peer device address (for peer operation) */
+	uint8_t peer_addr[WIFI_MAC_ADDR_LEN];
+	/** Flag to list only discovered peers (for peers operation) */
+	bool discovered_only;
+	/** Pointer to array for peer info results */
+	struct wifi_p2p_device_info *peers;
+	/** Actual number of peers returned */
+	uint16_t peer_count;
+};
+#endif /* CONFIG_WIFI_NM_WPA_SUPPLICANT_P2P */
+
 /** Wi-Fi AP status
  */
 enum wifi_sap_iface_state {
@@ -1785,6 +1887,17 @@ struct wifi_mgmt_ops {
 	 */
 	int (*set_bgscan)(const struct device *dev, struct wifi_bgscan_params *params);
 #endif
+#ifdef CONFIG_WIFI_NM_WPA_SUPPLICANT_P2P
+	/** Wi-Fi Direct (P2P) operations for device discovery
+	 *
+	 * @param dev Pointer to the device structure for the driver instance.
+	 * @param params P2P operation parameters including operation type, discovery settings,
+	 * timeout values and peer information retrieval options
+	 *
+	 * @return 0 if ok, < 0 if error
+	 */
+	int (*p2p_oper)(const struct device *dev, struct wifi_p2p_params *params);
+#endif
 };
 
 /** Wi-Fi management offload API */
@@ -1916,6 +2029,17 @@ void wifi_mgmt_raise_ap_sta_connected_event(struct net_if *iface,
 void wifi_mgmt_raise_ap_sta_disconnected_event(struct net_if *iface,
 		struct wifi_ap_sta_info *sta_info);
 
+#ifdef CONFIG_WIFI_NM_WPA_SUPPLICANT_P2P
+/**
+ * @brief Raise P2P device found event
+ *
+ * @param iface Network interface
+ * @param device_info P2P device information
+ */
+void wifi_mgmt_raise_p2p_device_found_event(struct net_if *iface,
+		struct wifi_p2p_device_info *peer_info);
+#endif /* CONFIG_WIFI_NM_WPA_SUPPLICANT_P2P */
+
 /**
  * @}
  */