1/* Definitions for use with Linux AF_PACKET sockets.
2 Copyright (C) 1998-2026 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
22struct 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#define PACKET_VNET_HDR_SZ 24
68
69struct packet_mreq
70 {
71 int mr_ifindex;
72 unsigned short int mr_type;
73 unsigned short int mr_alen;
74 unsigned char mr_address[8];
75 };
76
77#define PACKET_MR_MULTICAST 0
78#define PACKET_MR_PROMISC 1
79#define PACKET_MR_ALLMULTI 2
80#define PACKET_MR_UNICAST 3
81
82#endif /* netpacket/packet.h */