855 …static ushort GetPacketChecksum(byte[] packet, int startOfIp, int startOfPayload, bool withPseudoH…  in GetPacketChecksum()  argument
859             for (var x = startOfPayload; x < packet.Length - 1; x += 2)  in GetPacketChecksum()
861                 sum += Ntoh(BitConverter.ToUInt16(packet, x));  in GetPacketChecksum()
863             if((packet.Length - startOfPayload) % 2 != 0)  in GetPacketChecksum()
866                 sum += (ushort)((packet[packet.Length - 1] << 8) | 0x00);  in GetPacketChecksum()
871                 sum += Ntoh(BitConverter.ToUInt16(packet, startOfIp + 12));  in GetPacketChecksum()
872                 sum += Ntoh(BitConverter.ToUInt16(packet, startOfIp + 14));  in GetPacketChecksum()
874                 sum += Ntoh(BitConverter.ToUInt16(packet, startOfIp + 16));  in GetPacketChecksum()
875                 sum += Ntoh(BitConverter.ToUInt16(packet, startOfIp + 18));  in GetPacketChecksum()
877                 sum += Ntoh(BitConverter.ToUInt16(new byte[] { 0, packet[startOfIp + 9] }, 0));  in GetPacketChecksum()
879                 sum += (ushort)(packet.Length - startOfPayload);  in GetPacketChecksum()
908 …public static void FillPacketWithChecksums(IPeripheral source, byte[] packet, params TransportLaye…  in FillPacketWithChecksums()  argument
910             if (packet.Length < MACLength) {  in FillPacketWithChecksums()
911 …Error, String.Format("Expected packet of at least {0} bytes, got {1}.", MACLength, packet.Length));  in FillPacketWithChecksums()
914             var packet_type = (PacketType) ((packet[12] << 8) | packet[13]);  in FillPacketWithChecksums()
922             if (packet.Length < (MACLength+12)) {  in FillPacketWithChecksums()
927             if ((packet[MACLength] >> 4) != 0x04) {  in FillPacketWithChecksums()
928 …vel.Error, String.Format("Only IPv4 packets are supported. Got IPv{0}", (packet[MACLength] >> 4)));  in FillPacketWithChecksums()
932             var ipLength = (packet[MACLength] & 0x0F) * 4;  in FillPacketWithChecksums()
935                 var ipChecksum = ComputeHeaderIpChecksum(packet, MACLength, ipLength);  in FillPacketWithChecksums()
936                 packet[MACLength + 10] = (byte)(ipChecksum >> 8);  in FillPacketWithChecksums()
937                 packet[MACLength + 11] = (byte)(ipChecksum & 0xFF);  in FillPacketWithChecksums()
941 …dProtocols != null && interpretedProtocols.Contains((TransportLayerProtocol)packet[MACLength + 9]))  in FillPacketWithChecksums()
944                 var protocol = (TransportLayerProtocol)packet[MACLength + 9];  in FillPacketWithChecksums()
945 …var checksum = GetPacketChecksum(packet, MACLength, payloadStart, protocol != TransportLayerProtoc…  in FillPacketWithChecksums()
949                     packet[payloadStart + 2] = (byte)((checksum >> 8) & 0xFF);  in FillPacketWithChecksums()
950                     packet[payloadStart + 3] = (byte)((checksum ) & 0xFF);  in FillPacketWithChecksums()
953                     packet[payloadStart + 16] = (byte)((checksum >> 8) & 0xFF);  in FillPacketWithChecksums()
954                     packet[payloadStart + 17] = (byte)((checksum ) & 0xFF);  in FillPacketWithChecksums()
957                     packet[payloadStart + 6] = (byte)((checksum >> 8) & 0xFF);  in FillPacketWithChecksums()
958                     packet[payloadStart + 7] = (byte)((checksum ) & 0xFF);  in FillPacketWithChecksums()
966         public static string DumpPacket(EthernetFrame packet, bool isSend, IMachine machine)  in DumpPacket()  argument
977 …r.AppendLine(String.Format("Sending packet from {0}, length: {1}", machName, packet.Bytes.Length));  in DumpPacket()
981 …r.AppendLine(String.Format("Receiving packet on {0}, length: {1}", machName, packet.Bytes.Length));  in DumpPacket()
983             builder.Append(packet.ToString());  in DumpPacket()