lwip: Expose broadcast/multicast ping enable options in menuconfig

components/lwip/Kconfig

@@ -139,4 +139,16 @@ config PPP_DEBUG_ON
    help
        Enable PPP debug log output
 
+menu "ICMP"
+
+config LWIP_MULTICAST_PING
+   bool "Respond to multicast pings"
+   default n
+
+config LWIP_BROADCAST_PING
+   bool "Respond to broadcast pings"
+   default n
+
+endmenu # ICMP
+
 endmenu

components/lwip/include/lwip/port/lwipopts.h

@@ -184,6 +184,10 @@
    ----------------------------------
 */
 
+#define LWIP_BROADCAST_PING CONFIG_LWIP_BROADCAST_PING
+
+#define LWIP_MULTICAST_PING CONFIG_LWIP_MULTICAST_PING
+
 /*
    ---------------------------------
    ---------- RAW options ----------