Add get_eth_has_ip()

src/espwifistack.cpp

@@ -999,6 +999,11 @@ bool get_eth_connected()
 {
     return wifi_get_status_bits() & ETH_CONNECTED_BIT;
 }
+
+bool get_eth_has_ip()
+{
+    return wifi_get_status_bits() & ETH_HAS_IP_BIT;
+}
 #endif
 
 namespace {

src/espwifistack.h

@@ -105,5 +105,6 @@ tl::expected<std::string_view, std::string> get_hostname_for_interface(esp_netif
 #ifdef CONFIG_ETH_ENABLED
 esp_eth_handle_t getEthHandle();
 bool get_eth_connected();
+bool get_eth_has_ip();
 #endif
 } // namespace wifi_stack