/* dev - device pointer pkt - "sent" packet buffer len - length of packet  */
static int sb_default_handler(struct udevice *dev, void *packet, unsigned int len)
/* dev - device pointer pkt - "sent" packet buffer len - length of packet  */
static int sb_default_handler(struct udevice *dev, void *packet, unsigned int len)
{
	if (!sandbox_eth_arp_req_to_reply(dev, packet, len))
		return 0;
	if (!sandbox_eth_ping_req_to_reply(dev, packet, len))
		return 0;
	return 0;
}