drivers: wifi: siwx91x: Add Wi-Fi status and statistics

This commit adds support for Wi-Fi status and statistics
functionalities:
- wifi status	  : Displays the current mode status.
- wifi statistics : Provides details on the transmitted and
                    received packet counts.

Signed-off-by: Arunmani Alagarsamy <arunmani.a@silabs.com>

Author: ArunmaniAlagarsamy2710

drivers/wifi/siwx91x/siwx91x_wifi.c

@@ -477,14 +477,81 @@ static int siwx91x_scan(const struct device *dev, struct wifi_scan_params *z_sca
 
 static int siwx91x_status(const struct device *dev, struct wifi_iface_status *status)
 {
+	sl_si91x_rsp_wireless_info_t wlan_info = { };
 	struct siwx91x_dev *sidev = dev->data;
+	sl_wifi_interface_t interface;
 	int32_t rssi = -1;
+	int ret;
+
+	__ASSERT(status, "status cannot be NULL");
 
 	memset(status, 0, sizeof(*status));
 	status->state = sidev->state;
-	sl_wifi_get_signal_strength(SL_WIFI_CLIENT_INTERFACE, &rssi);
-	status->rssi = rssi;
-	return 0;
+
+	interface = sl_wifi_get_default_interface();
+	ret = sl_wifi_get_wireless_info(&wlan_info);
+	if (ret) {
+		LOG_ERR("Failed to get the wireless info: 0x%x", ret);
+		return -EIO;
+	}
+
+	strncpy(status->ssid, wlan_info.ssid, WIFI_SSID_MAX_LEN);
+	status->ssid_len = strlen(status->ssid);
+	memcpy(status->bssid, wlan_info.mac_address, WIFI_MAC_ADDR_LEN);
+	status->mfp = WIFI_MFP_UNKNOWN;
+
+	if (interface & SL_WIFI_2_4GHZ_INTERFACE) {
+		status->band = WIFI_FREQ_BAND_2_4_GHZ;
+	}
+
+	if (FIELD_GET(SIWX91X_INTERFACE_MASK, interface) == SL_WIFI_CLIENT_INTERFACE) {
+		sl_wifi_listen_interval_t listen_interval = { };
+
+		status->link_mode = WIFI_LINK_MODE_UNKNOWN;
+		status->iface_mode = WIFI_MODE_INFRA;
+		status->channel = wlan_info.channel_number;
+		sl_wifi_get_signal_strength(SL_WIFI_CLIENT_INTERFACE, &rssi);
+		status->rssi = rssi;
+
+		sl_wifi_get_listen_interval(SL_WIFI_CLIENT_INTERFACE, &listen_interval);
+		status->beacon_interval = listen_interval.listen_interval;
+	} else if (FIELD_GET(SIWX91X_INTERFACE_MASK, interface) == SL_WIFI_AP_INTERFACE) {
+		sl_wifi_ap_configuration_t sl_ap_cfg = { };
+
+		ret = sl_wifi_get_ap_configuration(SL_WIFI_AP_INTERFACE, &sl_ap_cfg);
+		if (ret) {
+			LOG_ERR("Failed to get the AP configuration: 0x%x", ret);
+			return -EINVAL;
+		}
+
+		status->link_mode = WIFI_4;
+		status->iface_mode = WIFI_MODE_AP;
+		status->channel = sl_ap_cfg.channel.channel;
+		status->beacon_interval = sl_ap_cfg.beacon_interval;
+		status->dtim_period = sl_ap_cfg.dtim_beacon_count;
+	} else {
+		status->link_mode = WIFI_LINK_MODE_UNKNOWN;
+		status->iface_mode = WIFI_MODE_UNKNOWN;
+		status->channel = 0;
+
+		return -EINVAL;
+	}
+
+	switch (wlan_info.sec_type) {
+	case SL_WIFI_OPEN:
+		status->security = WIFI_SECURITY_TYPE_NONE;
+		break;
+	case SL_WIFI_WPA2:
+		status->security = WIFI_SECURITY_TYPE_PSK;
+		break;
+	case SL_WIFI_WPA3:
+		status->security = WIFI_SECURITY_TYPE_SAE;
+		break;
+	default:
+		status->security = WIFI_SECURITY_TYPE_UNKNOWN;
+	}
+
+	return ret;
 }
 
 static int siwx91x_mode(const struct device *dev, struct wifi_mode_info *mode)
@@ -590,6 +657,35 @@ static void siwx91x_ethernet_init(struct net_if *iface)
 	}
 }
 
+#if defined(CONFIG_NET_STATISTICS_WIFI)
+static int siwx91x_stats(const struct device *dev, struct net_stats_wifi *stats)
+{
+	ARG_UNUSED(dev);
+	sl_wifi_interface_t interface;
+	sl_wifi_statistics_t statistics = { };
+	int ret;
+
+	__ASSERT(stats, "stats cannot be NULL");
+
+	interface = sl_wifi_get_default_interface();
+	ret = sl_wifi_get_statistics(FIELD_GET(SIWX91X_INTERFACE_MASK, interface), &statistics);
+	if (ret) {
+		LOG_ERR("Failed to get stat: 0x%x", ret);
+		return -EINVAL;
+	}
+
+	stats->multicast.rx = statistics.mcast_rx_count;
+	stats->multicast.tx = statistics.mcast_tx_count;
+	stats->unicast.rx = statistics.ucast_rx_count;
+	stats->unicast.tx = statistics.ucast_tx_count;
+	stats->sta_mgmt.beacons_rx = statistics.beacon_rx_count;
+	stats->sta_mgmt.beacons_miss = statistics.beacon_lost_count;
+	stats->overrun_count = statistics.overrun_count;
+
+	return ret;
+}
+#endif
+
 static void siwx91x_iface_init(struct net_if *iface)
 {
 	struct siwx91x_dev *sidev = iface->if_dev->dev->data;
@@ -633,6 +729,9 @@ static const struct wifi_mgmt_ops siwx91x_mgmt = {
 	.ap_sta_disconnect	= siwx91x_ap_sta_disconnect,
 	.iface_status		= siwx91x_status,
 	.mode           	= siwx91x_mode,
+#if defined(CONFIG_NET_STATISTICS_WIFI)
+	.get_stats		= siwx91x_stats,
+#endif
 };
 
 static const struct net_wifi_mgmt_offload siwx91x_api = {