C++ (Cpp) pico_ipv4_is_broadcast Beispiele

Beispiel #1

Datei: pico_stack.c Projekt: AustinHunting/picotcp

int pico_frame_dst_is_unicast(struct pico_frame *f)
{
    if (0) {
        return 0;
    }

#ifdef PICO_SUPPORT_IPV4
    if (IS_IPV4(f)) {
        struct pico_ipv4_hdr *hdr = (struct pico_ipv4_hdr *)f->net_hdr;
        if (pico_ipv4_is_multicast(hdr->dst.addr) || pico_ipv4_is_broadcast(hdr->dst.addr))
            return 0;

        return 1;
    }

#endif

#ifdef PICO_SUPPORT_IPV6
    if (IS_IPV6(f)) {
        struct pico_ipv6_hdr *hdr = (struct pico_ipv6_hdr *)f->net_hdr;
        if (pico_ipv6_is_multicast(hdr->dst.addr) || pico_ipv6_is_unspecified(hdr->dst.addr))
            return 0;

        return 1;
    }

#endif
    else return 0;
}

Beispiel #2

Datei: pico_ipv4.c Projekt: owenjsr/picotcp

static int pico_ipv4_process_bcast_in(struct pico_frame *f)
{
    struct pico_ipv4_hdr *hdr = (struct pico_ipv4_hdr *) f->net_hdr;
#ifdef PICO_SUPPORT_UDP
    if (pico_ipv4_is_broadcast(hdr->dst.addr) && (hdr->proto == PICO_PROTO_UDP)) {
        /* Receiving UDP broadcast datagram */
        f->flags |= PICO_FRAME_FLAG_BCAST;
        pico_enqueue(pico_proto_udp.q_in, f);
        return 1;
    }

#endif

#ifdef PICO_SUPPORT_ICMP4
    if (pico_ipv4_is_broadcast(hdr->dst.addr) && (hdr->proto == PICO_PROTO_ICMP4)) {
        /* Receiving ICMP4 bcast packet */
        f->flags |= PICO_FRAME_FLAG_BCAST;
        pico_enqueue(pico_proto_icmp4.q_in, f);
        return 1;
    }

#endif
    return 0;
}

Beispiel #3

Datei: pico_stack.c Projekt: pramasoul/color-light-controller

static int destination_is_bcast(struct pico_frame *f)
{
  if (!f)
    return 0;

  if (IS_IPV6(f))
    return 0;
#ifdef PICO_SUPPORT_IPV4
  else {
    struct pico_ipv4_hdr *hdr = (struct pico_ipv4_hdr *) f->net_hdr;
    return pico_ipv4_is_broadcast(hdr->dst.addr);
  }
#endif
  return 0;
}

Beispiel #4

Datei: pico_ipv4.c Projekt: owenjsr/picotcp

int pico_ipv4_is_valid_src(uint32_t address, struct pico_device *dev)
{
    if (pico_ipv4_is_broadcast(address)) {
        dbg("Source is a broadcast address, discard packet\n");
        return 0;
    } else if ( pico_ipv4_is_multicast(address)) {
        dbg("Source is a multicast address, discard packet\n");
        return 0;
    } else if (pico_ipv4_is_invalid_loopback(address, dev)) {
        dbg("Source is a loopback address, discard packet\n");
        return 0;
    } else {
#ifdef PICO_SUPPORT_AODV
        union pico_address src;
        src.ip4.addr = address;
        pico_aodv_refresh(&src);
#endif
        return 1;
    }
}