///////////////////////////////////////////////////////////////////////////////
//
//  Microsoft Research Singularity
//
//  Copyright (c) Microsoft Corporation.  All rights reserved.
//
//  File:   NicDeviceProperties.sg
//

using Microsoft.SingSharp;
using Microsoft.Singularity.Channels;

namespace Microsoft.Singularity.Io.Net
{
    public enum MacType : uint
    {
        Ethernet = 1,
        // ATM
        // FDDI
    }

    public enum ChecksumSupport : uint
    {
        None           = 0,
        Ip4Receive     = 1u << 0,
        Ip4Transmit    = 1u << 1,
        Udp4Receive    = 1u << 2,
        Udp4Transmit   = 1u << 3,
        Tcp4Receive    = 1u << 4,
        Tcp4Transmit   = 1u << 5,
        AllIp4Receive  = (Ip4Receive | Udp4Receive | Tcp4Receive),
        AllIp4Transmit = (Ip4Transmit | Udp4Transmit | Tcp4Transmit),
        AllIp4         = (AllIp4Receive | AllIp4Transmit),
        Ip6Receive     = 1u << 6,
        Ip6Transmit    = 1u << 7,
        Udp6Receive    = 1u << 8,
        Udp6Transmit   = 1u << 9,
        Tcp6Receive    = 1u << 10,
        Tcp6Transmit   = 1u << 11,
        AllIp6Receive  = (Ip6Receive | Udp6Receive | Tcp6Receive),
        AllIp6Transmit = (Ip6Transmit | Udp6Transmit | Tcp6Transmit),
        AllIp6         = (AllIp6Receive | AllIp6Transmit),
    }

    public rep struct NicDeviceProperties : ITracked
    {
        public char [] in ExHeap DriverName;
        public char [] in ExHeap DriverVersion;

        public MacType           MacType;
        public byte [] in ExHeap MacAddress;

        public ChecksumSupport   ChecksumSupport;

        public int               MtuBytes;
        public int               MaxTxPacketsInDevice;
        public int               MaxTxFragmentsPerPacket;
        public int               MaxRxPacketsInDevice;
        public int               MaxRxFragmentsPerPacket;
    }
}