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drivers: net: loopback: Register loopback IP address to the interface

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Regsiter loopback IPv4/IPv6 to the loopback interface during
interface initialization.

Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
This commit is contained in:
Robert Lubos 2021-10-06 16:45:44 +02:00 • committed by Carles Cufí
commit 4e9b9a7fdf
4 changed files with 26 additions and 0 deletions
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22
drivers/net/loopback.c
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@ -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)