sysdeps/unix/sysv/linux/netpacket/packet.h

   1 /* Definitions for use with Linux AF_PACKET sockets.
   2    Copyright (C) 1998-2019 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef __NETPACKET_PACKET_H
  20 #define __NETPACKET_PACKET_H    1
  21
  22 struct sockaddr_ll
  23   {
  24     unsigned short int sll_family;
  25     unsigned short int sll_protocol;
  26     int sll_ifindex;
  27     unsigned short int sll_hatype;
  28     unsigned char sll_pkttype;
  29     unsigned char sll_halen;
  30     unsigned char sll_addr[8];
  31   };
  32
  33 /* Packet types.  */
  34
  35 #define PACKET_HOST             0               /* To us.  */
  36 #define PACKET_BROADCAST        1               /* To all.  */
  37 #define PACKET_MULTICAST        2               /* To group.  */
  38 #define PACKET_OTHERHOST        3               /* To someone else.  */
  39 #define PACKET_OUTGOING         4               /* Originated by us . */
  40 #define PACKET_LOOPBACK         5
  41 #define PACKET_FASTROUTE        6
  42
  43 /* Packet socket options.  */
  44
  45 #define PACKET_ADD_MEMBERSHIP           1
  46 #define PACKET_DROP_MEMBERSHIP          2
  47 #define PACKET_RECV_OUTPUT              3
  48 #define PACKET_RX_RING                  5
  49 #define PACKET_STATISTICS               6
  50 #define PACKET_COPY_THRESH              7
  51 #define PACKET_AUXDATA                  8
  52 #define PACKET_ORIGDEV                  9
  53 #define PACKET_VERSION                  10
  54 #define PACKET_HDRLEN                   11
  55 #define PACKET_RESERVE                  12
  56 #define PACKET_TX_RING                  13
  57 #define PACKET_LOSS                     14
  58 #define PACKET_VNET_HDR                 15
  59 #define PACKET_TX_TIMESTAMP             16
  60 #define PACKET_TIMESTAMP                17
  61 #define PACKET_FANOUT                   18
  62 #define PACKET_TX_HAS_OFF               19
  63 #define PACKET_QDISC_BYPASS             20
  64 #define PACKET_ROLLOVER_STATS           21
  65 #define PACKET_FANOUT_DATA              22
  66 #define PACKET_IGNORE_OUTGOING          23
  67
  68 struct packet_mreq
  69   {
  70     int mr_ifindex;
  71     unsigned short int mr_type;
  72     unsigned short int mr_alen;
  73     unsigned char mr_address[8];
  74   };
  75
  76 #define PACKET_MR_MULTICAST     0
  77 #define PACKET_MR_PROMISC       1
  78 #define PACKET_MR_ALLMULTI      2
  79 #define PACKET_MR_UNICAST       3
  80
  81 #endif  /* netpacket/packet.h */