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/* Definitions for use with Linux AF_PACKET sockets.

   Copyright (C) 1998, 1999 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

#ifndef __NETPACKET_PACKET_H

#define __NETPACKET_PACKET_H    1

struct sockaddr_ll

  {

    unsigned short int sll_family;

    unsigned short int sll_protocol;

    int sll_ifindex;

    unsigned short int sll_hatype;

    unsigned char sll_pkttype;

    unsigned char sll_halen;

    unsigned char sll_addr[8];

  };

/* Packet types.  */

#define PACKET_HOST             0                /* To us.  */

#define PACKET_BROADCAST        1               /* To all.  */

#define PACKET_MULTICAST        2               /* To group.  */

#define PACKET_OTHERHOST        3               /* To someone else.  */

#define PACKET_OUTGOING         4               /* Originated by us . */

#define PACKET_LOOPBACK         5

#define PACKET_FASTROUTE        6

/* Packet socket options.  */

#define PACKET_ADD_MEMBERSHIP           1

#define PACKET_DROP_MEMBERSHIP          2

#define PACKET_RECV_OUTPUT              3

#define PACKET_RX_RING                  5

#define PACKET_STATISTICS               6

struct packet_mreq

  {

    int mr_ifindex;

    unsigned short int mr_type;

    unsigned short int mr_alen;

    unsigned char mr_address[8];

  };

#define PACKET_MR_MULTICAST     0

#define PACKET_MR_PROMISC       1

#define PACKET_MR_ALLMULTI      2

#endif  /* netpacket/packet.h */