Commit 6f46124d authored by Robert Lubos's avatar Robert Lubos Committed by Carles Cufi
Browse files

net: if: Skip DAD when adding loopback IPv6 address 



There's no point in perfoming DAD procedure for loopback address,
hence skip it.

Signed-off-by: default avatarRobert Lubos <robert.lubos@nordicsemi.no>
parent d66a745d

subsys/net/ip/net_if.c

+5 −2
Original line number Diff line number Diff line
@@ -1248,7 +1248,9 @@ void net_if_start_dad(struct net_if *iface) 
	for (i = 0; i < NET_IF_MAX_IPV6_ADDR; i++) {

		if (!ipv6->unicast[i].is_used ||

		    ipv6->unicast[i].address.family != AF_INET6 ||

		    &ipv6->unicast[i] == ifaddr) {

		    &ipv6->unicast[i] == ifaddr ||

		    net_ipv6_is_addr_loopback(

			    &ipv6->unicast[i].address.in6_addr)) {

			continue;

		}
@@ -1683,7 +1685,8 @@ struct net_if_addr *net_if_ipv6_addr_add(struct net_if *iface, 
			iface, log_strdup(net_sprint_ipv6_addr(addr)),

			net_addr_type2str(addr_type));



		if (!(l2_flags_get(iface) & NET_L2_POINT_TO_POINT)) {

		if (!(l2_flags_get(iface) & NET_L2_POINT_TO_POINT) &&

		    !net_ipv6_is_addr_loopback(addr)) {

			/* RFC 4862 5.4.2

			 * Before sending a Neighbor Solicitation, an interface

			 * MUST join the all-nodes multicast address and the

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