1/* Definitions for use with Linux AF_PACKET sockets.
 2   Copyright (C) 1998-2025 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 */