net: wifi: shell: add btwt feature support

Add btwt_setup cmd for sap.

Signed-off-by: Rex Chen <[email protected]>

drivers/wifi/nxp/nxp_wifi_drv.c

@@ -1370,6 +1370,25 @@ static int nxp_wifi_set_twt(const struct device *dev, struct wifi_twt_params *pa
 
 	return ret;
 }
+
+static int nxp_wifi_set_btwt(const struct device *dev, struct wifi_twt_params *params)
+{
+	wlan_btwt_config_t btwt_config;
+	int ret = -1;
+
+	btwt_config.action = 1;
+	btwt_config.sub_id = params->btwt.sub_id;
+	btwt_config.nominal_wake = params->btwt.nominal_wake;
+	btwt_config.max_sta_support = params->btwt.max_sta_support;
+	btwt_config.twt_mantissa = params->btwt.twt_interval;
+	btwt_config.twt_offset = params->btwt.twt_offset;
+	btwt_config.twt_exponent = params->btwt.twt_exponent;
+	btwt_config.sp_gap = params->btwt.sp_gap;
+
+	ret = wlan_set_btwt_cfg(&btwt_config);
+
+	return ret;
+}
 #endif
 
 static void nxp_wifi_sta_init(struct net_if *iface)
@@ -1731,6 +1750,9 @@ static const struct wifi_mgmt_ops nxp_wifi_uap_mgmt = {
 	.set_power_save = nxp_wifi_power_save,
 	.get_power_save_config = nxp_wifi_get_power_save,
 	.ap_config_params = nxp_wifi_ap_config_params,
+#ifdef CONFIG_NXP_WIFI_11AX_TWT
+	.set_btwt = nxp_wifi_set_btwt,
+#endif
 };
 
 static const struct net_wifi_mgmt_offload nxp_wifi_uap_apis = {

include/zephyr/net/wifi_mgmt.h

@@ -85,6 +85,8 @@ enum net_request_wifi_cmd {
 	NET_REQUEST_WIFI_CMD_PS,
 	/** Setup or teardown TWT flow */
 	NET_REQUEST_WIFI_CMD_TWT,
+	/** Setup BTWT flow */
+	NET_REQUEST_WIFI_CMD_BTWT,
 	/** Get power save config */
 	NET_REQUEST_WIFI_CMD_PS_CONFIG,
 	/** Set or get regulatory domain */
@@ -194,6 +196,11 @@ NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_WIFI_PS);
 
 NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_WIFI_TWT);
 
+#define NET_REQUEST_WIFI_BTWT			\
+	(_NET_WIFI_BASE | NET_REQUEST_WIFI_CMD_BTWT)
+
+NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_WIFI_BTWT);
+
 /** Request a Wi-Fi power save configuration */
 #define NET_REQUEST_WIFI_PS_CONFIG				\
 	(_NET_WIFI_BASE | NET_REQUEST_WIFI_CMD_PS_CONFIG)
@@ -744,6 +751,23 @@ struct wifi_twt_params {
 			/** TWT exponent */
 			uint8_t exponent;
 		} setup;
+		/** Setup specific parameters */
+		struct {
+			/** Broadcast TWT AP config */
+			uint16_t sub_id;
+			/** Range 64-255 */
+			uint8_t nominal_wake;
+			/** Max STA support */
+			uint8_t max_sta_support;
+			/** TWT interval */
+			uint16_t twt_interval;
+			/** TWT offset */
+			uint16_t twt_offset;
+			/** TWT exponent */
+			uint8_t twt_exponent;
+			/** SP gap */
+			uint8_t sp_gap;
+		} btwt;
 		/** Teardown specific parameters */
 		struct {
 			/** Teardown all flows */
@@ -1350,6 +1374,14 @@ struct wifi_mgmt_ops {
 	 * @return 0 if ok, < 0 if error
 	 */
 	int (*set_twt)(const struct device *dev, struct wifi_twt_params *params);
+	/** Setup BTWT flow
+	 *
+	 * @param dev Pointer to the device structure for the driver instance.
+	 * @param params BTWT parameters
+	 *
+	 * @return 0 if ok, < 0 if error
+	 */
+	int (*set_btwt)(const struct device *dev, struct wifi_twt_params *params);
 	/** Get power save config
 	 *
 	 * @param dev Pointer to the device structure for the driver instance.

modules/hostap/src/supp_api.c

@@ -1808,6 +1808,18 @@ int supplicant_set_twt(const struct device *dev, struct wifi_twt_params *params)
 	return wifi_mgmt_api->set_twt(dev, params);
 }
 
+int supplicant_set_btwt(const struct device *dev, struct wifi_twt_params *params)
+{
+	const struct wifi_mgmt_ops *const wifi_mgmt_api = get_wifi_mgmt_api(dev);
+
+	if (!wifi_mgmt_api || !wifi_mgmt_api->set_btwt) {
+		wpa_printf(MSG_ERROR, "Set TWT not supported");
+		return -ENOTSUP;
+	}
+
+	return wifi_mgmt_api->set_btwt(dev, params);
+}
+
 int supplicant_get_power_save_config(const struct device *dev,
 				     struct wifi_ps_config *config)
 {

modules/hostap/src/supp_api.h

@@ -156,6 +156,15 @@ int supplicant_set_power_save(const struct device *dev, struct wifi_ps_params *p
  */
 int supplicant_set_twt(const struct device *dev, struct wifi_twt_params *params);
 
+/**
+ * @brief Set Wi-Fi BTWT parameters
+ *
+ * @param dev Wi-Fi interface name to use
+ * @param params BTWT parameters to set
+ * @return 0 for OK; -1 for ERROR
+ */
+int supplicant_set_btwt(const struct device *dev, struct wifi_twt_params *params);
+
 /**
  * @brief Get Wi-Fi power save configuration
  *

modules/hostap/src/supp_main.c

@@ -114,6 +114,7 @@ static const struct wifi_mgmt_ops mgmt_ap_ops = {
 #ifdef CONFIG_WIFI_NM_HOSTAPD_CRYPTO_ENTERPRISE
 	.enterprise_creds = supplicant_add_enterprise_creds,
 #endif
+	.set_btwt = supplicant_set_btwt,
 };
 
 DEFINE_WIFI_NM_INSTANCE(hostapd, &mgmt_ap_ops);

subsys/net/l2/wifi/wifi_mgmt.c

@@ -901,6 +901,35 @@ static int wifi_set_twt(uint32_t mgmt_request, struct net_if *iface,
 
 NET_MGMT_REGISTER_REQUEST_HANDLER(NET_REQUEST_WIFI_TWT, wifi_set_twt);
 
+static int wifi_set_btwt(uint32_t mgmt_request, struct net_if *iface,
+			  void *data, size_t len)
+{
+	const struct device *dev = net_if_get_device(iface);
+	const struct wifi_mgmt_ops *const wifi_mgmt_api = get_wifi_api(iface);
+	struct wifi_twt_params *twt_params = data;
+	struct wifi_iface_status info = { 0 };
+
+	if (wifi_mgmt_api == NULL || wifi_mgmt_api->set_btwt == NULL) {
+		twt_params->fail_reason =
+			WIFI_TWT_FAIL_OPERATION_NOT_SUPPORTED;
+		return -ENOTSUP;
+	}
+
+	if (net_mgmt(NET_REQUEST_WIFI_IFACE_STATUS, iface, &info,
+			sizeof(struct wifi_iface_status))) {
+		twt_params->fail_reason =
+			WIFI_TWT_FAIL_UNABLE_TO_GET_IFACE_STATUS;
+		goto fail;
+	}
+
+	return wifi_mgmt_api->set_btwt(dev, twt_params);
+fail:
+	return -ENOEXEC;
+
+}
+
+NET_MGMT_REGISTER_REQUEST_HANDLER(NET_REQUEST_WIFI_BTWT, wifi_set_btwt);
+
 void wifi_mgmt_raise_twt_event(struct net_if *iface, struct wifi_twt_params *twt_params)
 {
 	net_mgmt_event_notify_with_info(NET_EVENT_WIFI_TWT,

subsys/net/l2/wifi/wifi_shell.c

@@ -1527,6 +1527,45 @@ static int cmd_wifi_twt_setup_quick(const struct shell *sh, size_t argc,
 	return 0;
 }
 
+static int cmd_wifi_btwt_setup(const struct shell *sh, size_t argc, char *argv[])
+{
+	struct net_if *iface = net_if_get_wifi_sap();
+	struct wifi_twt_params params = {0};
+	int idx = 1;
+	long value;
+
+	context.sh = sh;
+
+	params.btwt.sub_id = (uint16_t)strtol(argv[idx++], NULL, 10);
+	params.btwt.nominal_wake = (uint8_t)strtol(argv[idx++], NULL, 10);
+	params.btwt.max_sta_support = (uint8_t)strtol(argv[idx++], NULL, 10);
+
+	if (!parse_number(sh, &value, argv[idx++], NULL, 1, WIFI_MAX_TWT_INTERVAL_US)) {
+		return -EINVAL;
+	}
+	params.btwt.twt_interval = (uint16_t)value;
+
+	params.btwt.twt_offset = (uint16_t)strtol(argv[idx++], NULL, 10);
+
+	if (!parse_number(sh, &value, argv[idx++], NULL, 0, WIFI_MAX_TWT_EXPONENT)) {
+		return -EINVAL;
+	}
+	params.btwt.twt_exponent = (uint8_t)value;
+
+	params.btwt.sp_gap = (uint8_t)strtol(argv[idx++], NULL, 10);
+
+	if (net_mgmt(NET_REQUEST_WIFI_BTWT, iface, &params, sizeof(params))) {
+		PR_WARNING("Failed reason : %s\n",
+			   wifi_twt_get_err_code_str(params.fail_reason));
+
+		return -ENOEXEC;
+	}
+
+	PR("BTWT setup\n");
+
+	return 0;
+}
+
 static int twt_args_to_params(const struct shell *sh, size_t argc, char *argv[],
 				 struct wifi_twt_params *params)
 {
@@ -3277,6 +3316,13 @@ SHELL_STATIC_SUBCMD_SET_CREATE(wifi_twt_ops,
 		"[-h, --help]: Print out command usage.\n",
 		cmd_wifi_twt_setup,
 		27, 1),
+	SHELL_CMD_ARG(
+		btwt_setup, NULL,
+		" Start a BTWT flow:\n"
+		"<sub_id: Broadcast TWT AP config> <nominal_wake: 64-255> <max_sta_support>"
+		"<twt_interval:0-sizeof(UINT16)> <twt_offset> <twt_exponent: 0-63> <sp_gap>.\n",
+		cmd_wifi_btwt_setup,
+		8, 0),
 	SHELL_CMD_ARG(teardown, NULL, " Teardown a TWT flow:\n"
 		"<negotiation_type, 0: Individual, 1: Broadcast, 2: Wake TBTT>\n"
 		"<setup_cmd: 0: Request, 1: Suggest, 2: Demand>\n"