From 8ef20c230b03bd686209c7330b7e50647fa9ca55 Mon Sep 17 00:00:00 2001
From: Fotis Panagiotopoulos <f.panag@amco.gr>
Date: Fri, 13 May 2022 12:04:11 +0300
Subject: [PATCH] icmp: Fixed replies to broadcasts.

---
 net/icmp/icmp_reply.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/icmp/icmp_reply.c b/net/icmp/icmp_reply.c
index c5faa681573..9ab08491d6b 100644
--- a/net/icmp/icmp_reply.c
+++ b/net/icmp/icmp_reply.c
@@ -103,6 +103,8 @@ void icmp_reply(FAR struct net_driver_s *dev, int type, int code)
   if (net_ipv4addr_hdrcmp(ipv4->destipaddr, &any)
 #  ifdef CONFIG_NET_BROADCAST
       || net_ipv4addr_hdrcmp(ipv4->destipaddr, &bcast)
+      || net_ipv4addr_broadcast(net_ip4addr_conv32(ipv4->destipaddr),
+                                dev->d_netmask)
 #  endif /* CONFIG_NET_BROADCAST */
      )
     {