drivers: net: loopback: Register loopback IP address to the interface (4e9b9a7f) · Commits · Wenxi XU / zephyr

drivers/net/loopback.c

+22 −0

Original line number	Diff line number	Diff line
		@@ -33,9 +33,31 @@ int loopback_dev_init(const struct device *dev)

		static void loopback_init(struct net_if *iface)
		{
		struct net_if_addr *ifaddr;

		/* RFC 7042, s.2.1.1. address to use in documentation */
		net_if_set_link_addr(iface, "\x00\x00\x5e\x00\x53\xff", 6,
		NET_LINK_DUMMY);

		if (IS_ENABLED(CONFIG_NET_IPV4)) {
		struct in_addr ipv4_loopback = INADDR_LOOPBACK_INIT;

		ifaddr = net_if_ipv4_addr_add(iface, &ipv4_loopback,
		NET_ADDR_AUTOCONF, 0);
		if (!ifaddr) {
		LOG_ERR("Failed to register IPv4 loopback address");
		}
		}

		if (IS_ENABLED(CONFIG_NET_IPV6)) {
		struct in6_addr ipv6_loopback = IN6ADDR_LOOPBACK_INIT;

		ifaddr = net_if_ipv6_addr_add(iface, &ipv6_loopback,
		NET_ADDR_AUTOCONF, 0);
		if (!ifaddr) {
		LOG_ERR("Failed to register IPv6 loopback address");
		}
		}
		}

		static int loopback_send(const struct device dev, struct net_pkt pkt)

+2 −0

Original line number	Diff line number	Diff line
		@@ -390,6 +390,8 @@ extern const struct in6_addr in6addr_loopback;
		#define INADDR_ANY 0
		#define INADDR_ANY_INIT { { { INADDR_ANY } } }

		#define INADDR_LOOPBACK_INIT { { { 127, 0, 0, 1 } } }

		/** @endcond */

		enum net_ip_mtu {

+1 −0

Original line number	Diff line number	Diff line
		@@ -28,6 +28,7 @@ config NET_IF_MAX_IPV4_COUNT
		config NET_IF_UNICAST_IPV4_ADDR_COUNT
		int "Max number of unicast IPv4 addresses per network interface"
		default 2 if NET_IPV4_AUTO
		default 2 if NET_LOOPBACK
		default 1

		config NET_IF_MCAST_IPV4_ADDR_COUNT

+1 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@ config NET_IF_MAX_IPV6_COUNT
		config NET_IF_UNICAST_IPV6_ADDR_COUNT
		int "Max number of unicast IPv6 addresses per network interface"
		default 6 if NET_L2_OPENTHREAD
		default 3 if NET_LOOPBACK
		default 2

		config NET_IF_MCAST_IPV6_ADDR_COUNT