1 /* Definitions for use with Linux AF_PACKET sockets.
2    Copyright (C) 1998-2022 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 */
82