/*
 * PacketC: Simple IPv4 packet filter
 * Forwards IPv4 packets to broadcast, drops all others
 */

#include <cloudshield.ph>
#include <cloudshield_globals.ph>

packet main (pkt_t pkt, svc_t svc, bool cldshld) {
    match (pkt.eth.type) {
        case 0x0800:  // IPv4
            svc.sendPacket(PKT_BROADCAST);
            break;
        case 0x0806:  // ARP
            svc.sendPacket(PKT_BROADCAST);
            break;
        default:
            svc.dropPacket();
            break;
    }
}