Function cleanup_xaddrs_lladdr

lib/ff_route.c:163–178

* Checks if gateway is suitable for lltable operations. * Lltable code requires AF_LINK gateway with ifindex * and mac address specified. * Returns 0 on success. */

 * Returns 0 on success.
 */
static int
cleanup_xaddrs_lladdr(struct rt_addrinfo *info)
{
    struct sockaddr_dl *sdl = (struct sockaddr_dl *)info->rti_info[RTAX_GATEWAY];

    if (sdl->sdl_family != AF_LINK)
        return (EINVAL);

    if (sdl->sdl_index == 0)
        return (EINVAL);

    if (offsetof(struct sockaddr_dl, sdl_data) + sdl->sdl_nlen + sdl->sdl_alen > sdl->sdl_len)
        return (EINVAL);

    return (0);
}

static int
cleanup_xaddrs_gateway(struct rt_addrinfo *info)