net: dns: responders: Set the multicast TTL or hoplimit

We are creating a multicast address in mDNS or LLMNR
responder so set the TTL or hoplimit using the multicast
variant API.

Signed-off-by: Jukka Rissanen <[email protected]>

Author: jukkar

subsys/net/lib/dns/llmnr_responder.c

@@ -339,7 +339,7 @@ static int create_ipv4_answer(struct net_context *ctx,
 		return -ENOMEM;
 	}
 
-	net_context_set_ipv4_ttl(ctx, 255);
+	net_context_set_ipv4_mcast_ttl(ctx, 255);
 
 	return 0;
 }
@@ -389,7 +389,7 @@ static int create_ipv6_answer(struct net_context *ctx,
 		return -ENOMEM;
 	}
 
-	net_context_set_ipv6_hop_limit(ctx, 255);
+	net_context_set_ipv6_mcast_hop_limit(ctx, 255);
 
 #endif /* CONFIG_NET_IPV6 */
 	return 0;

subsys/net/lib/dns/mdns_responder.c

@@ -110,11 +110,11 @@ int setup_dst_addr(struct net_context *ctx, sa_family_t family,
 	if (IS_ENABLED(CONFIG_NET_IPV4) && family == AF_INET) {
 		create_ipv4_addr(net_sin(dst));
 		*dst_len = sizeof(struct sockaddr_in);
-		net_context_set_ipv4_ttl(ctx, 255);
+		net_context_set_ipv4_mcast_ttl(ctx, 255);
 	} else if (IS_ENABLED(CONFIG_NET_IPV6) && family == AF_INET6) {
 		create_ipv6_addr(net_sin6(dst));
 		*dst_len = sizeof(struct sockaddr_in6);
-		net_context_set_ipv6_hop_limit(ctx, 255);
+		net_context_set_ipv6_mcast_hop_limit(ctx, 255);
 	} else {
 		return -EPFNOSUPPORT;
 	}