File NetworkInterfaces/Contract/Ieee802Ctrl.msg

Contains:

//
// Copyright (C) 2003 CTIE, Monash University
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//


cplusplus {{
#include "MACAddress.h"
}};

class noncobject MACAddress;


//
// Message kind values used with in communication between L3 and IEEE 802 L2
//
enum Ieee802MessageKind
{
    IEEE802CTRL_DATA =            2003;  // data to/from higher layer
    IEEE802CTRL_REGISTER_DSAP =   2004;  // higher layer registers itself in LLC
    IEEE802CTRL_DEREGISTER_DSAP = 2005;  // higher layer deregisters itself in LLC
    IEEE802CTRL_SENDPAUSE =       2006;  // higher layer wants MAC to send PAUSE frame
};


//
// Some 8-bit SAP values for IEEE 802.x LLC headers.
//
enum SAPCode
{
    SAP_IBM_SNA     = 0x04;
    SAP_IP          = 0x06;
    SAP_3COM        = 0x80;
    SAP_SNAP        = 0xAA;
    SAP_BANYAN      = 0xBC;
    SAP_NOVELL_IPX  = 0xE0;
    SAP_LAN_MANAGER = 0xF4;
    SAP_CLNS        = 0xFE;
};


//
// Some EtherType values (Ethernet II).
//
enum EtherType
{
    ETHERTYPE_IP    = 0x0800;
    ETHERTYPE_ARP   = 0x0806;
    ETHERTYPE_RARP  = 0x8035;
};


//
// Control structure for communication between LLC and higher layers
//
class Ieee802Ctrl
{
    fields:
        MACAddress src;  // src MAC address (can be left empty when sending)
        MACAddress dest; // dest MAC address
        int etherType;   // used with EthernetIIFrame
        int ssap;        // used with IEEE 802 LLC (see EtherFrameWithLLC)
        int dsap;        // used with IEEE 802 LLC (see EtherFrameWithLLC)
        int pauseUnits;  // used with IEEE802CTRL_SENDPAUSE
        int inputPort;   // convenience field, used between IPv6 and IPv6ND
};