1/*
2 * INET		An implementation of the TCP/IP protocol suite for the LINUX
3 *		operating system.  INET is implemented using the  BSD Socket
4 *		interface as the means of communication with the user level.
5 *
6 *		Global definitions for the INET interface module.
7 *
8 * Version:	@(#)if.h	1.0.2	04/18/93
9 *
10 * Authors:	Original taken from Berkeley UNIX 4.3, (c) UCB 1982-1988
11 *		Ross Biro
12 *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
13 *
14 *		This program is free software; you can redistribute it and/or
15 *		modify it under the terms of the GNU General Public License
16 *		as published by the Free Software Foundation; either version
17 *		2 of the License, or (at your option) any later version.
18 */
19#ifndef _LINUX_IF_H
20#define _LINUX_IF_H
21
22#include <linux/types.h>		/* for "__kernel_caddr_t" et al	*/
23
24#define	IFNAMSIZ	16
25
26/* Standard interface flags (netdevice->flags). */
27#define	IFF_UP		0x1		/* interface is up		*/
28#define	IFF_BROADCAST	0x2		/* broadcast address valid	*/
29#define	IFF_DEBUG	0x4		/* turn on debugging		*/
30#define	IFF_LOOPBACK	0x8		/* is a loopback net		*/
31#define	IFF_POINTOPOINT	0x10		/* interface is has p-p link	*/
32#define	IFF_NOTRAILERS	0x20		/* avoid use of trailers	*/
33#define	IFF_RUNNING	0x40		/* interface RFC2863 OPER_UP	*/
34#define	IFF_NOARP	0x80		/* no ARP protocol		*/
35#define	IFF_PROMISC	0x100		/* receive all packets		*/
36#define	IFF_ALLMULTI	0x200		/* receive all multicast packets*/
37
38#define IFF_MASTER	0x400		/* master of a load balancer 	*/
39#define IFF_SLAVE	0x800		/* slave of a load balancer	*/
40
41#define IFF_MULTICAST	0x1000		/* Supports multicast		*/
42
43#define IFF_PORTSEL	0x2000          /* can set media type		*/
44#define IFF_AUTOMEDIA	0x4000		/* auto media select active	*/
45#define IFF_DYNAMIC	0x8000		/* dialup device with changing addresses*/
46
47#define IFF_LOWER_UP	0x10000		/* driver signals L1 up		*/
48#define IFF_DORMANT	0x20000		/* driver signals dormant	*/
49
50#define IFF_ECHO	0x40000		/* echo sent packets		*/
51
52#define IFF_VOLATILE	(IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_ECHO|\
53		IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT)
54
55/* Private (from user) interface flags (netdevice->priv_flags). */
56#define IFF_802_1Q_VLAN 0x1             /* 802.1Q VLAN device.          */
57#define IFF_EBRIDGE	0x2		/* Ethernet bridging device.	*/
58#define IFF_SLAVE_INACTIVE	0x4	/* bonding slave not the curr. active */
59#define IFF_MASTER_8023AD	0x8	/* bonding master, 802.3ad. 	*/
60#define IFF_MASTER_ALB	0x10		/* bonding master, balance-alb.	*/
61#define IFF_BONDING	0x20		/* bonding master or slave	*/
62#define IFF_SLAVE_NEEDARP 0x40		/* need ARPs for validation	*/
63#define IFF_ISATAP	0x80		/* ISATAP interface (RFC4214)	*/
64
65#define IF_GET_IFACE	0x0001		/* for querying only */
66#define IF_GET_PROTO	0x0002
67
68/* For definitions see hdlc.h */
69#define IF_IFACE_V35	0x1000		/* V.35 serial interface	*/
70#define IF_IFACE_V24	0x1001		/* V.24 serial interface	*/
71#define IF_IFACE_X21	0x1002		/* X.21 serial interface	*/
72#define IF_IFACE_T1	0x1003		/* T1 telco serial interface	*/
73#define IF_IFACE_E1	0x1004		/* E1 telco serial interface	*/
74#define IF_IFACE_SYNC_SERIAL 0x1005	/* can't be set by software	*/
75#define IF_IFACE_X21D   0x1006          /* X.21 Dual Clocking (FarSite) */
76
77/* For definitions see hdlc.h */
78#define IF_PROTO_HDLC	0x2000		/* raw HDLC protocol		*/
79#define IF_PROTO_PPP	0x2001		/* PPP protocol			*/
80#define IF_PROTO_CISCO	0x2002		/* Cisco HDLC protocol		*/
81#define IF_PROTO_FR	0x2003		/* Frame Relay protocol		*/
82#define IF_PROTO_FR_ADD_PVC 0x2004	/*    Create FR PVC		*/
83#define IF_PROTO_FR_DEL_PVC 0x2005	/*    Delete FR PVC		*/
84#define IF_PROTO_X25	0x2006		/* X.25				*/
85#define IF_PROTO_HDLC_ETH 0x2007	/* raw HDLC, Ethernet emulation	*/
86#define IF_PROTO_FR_ADD_ETH_PVC 0x2008	/*  Create FR Ethernet-bridged PVC */
87#define IF_PROTO_FR_DEL_ETH_PVC 0x2009	/*  Delete FR Ethernet-bridged PVC */
88#define IF_PROTO_FR_PVC	0x200A		/* for reading PVC status	*/
89#define IF_PROTO_FR_ETH_PVC 0x200B
90#define IF_PROTO_RAW    0x200C          /* RAW Socket                   */
91
92/* RFC 2863 operational status */
93enum {
94	IF_OPER_UNKNOWN,
95	IF_OPER_NOTPRESENT,
96	IF_OPER_DOWN,
97	IF_OPER_LOWERLAYERDOWN,
98	IF_OPER_TESTING,
99	IF_OPER_DORMANT,
100	IF_OPER_UP,
101};
102
103/* link modes */
104enum {
105	IF_LINK_MODE_DEFAULT,
106	IF_LINK_MODE_DORMANT,	/* limit upward transition to dormant */
107};
108
109/*
110 *	Device mapping structure. I'd just gone off and designed a
111 *	beautiful scheme using only loadable modules with arguments
112 *	for driver options and along come the PCMCIA people 8)
113 *
114 *	Ah well. The get() side of this is good for WDSETUP, and it'll
115 *	be handy for debugging things. The set side is fine for now and
116 *	being very small might be worth keeping for clean configuration.
117 */
118
119struct ifmap
120{
121	unsigned long mem_start;
122	unsigned long mem_end;
123	unsigned short base_addr;
124	unsigned char irq;
125	unsigned char dma;
126	unsigned char port;
127	/* 3 bytes spare */
128};
129
130
131#endif /* _LINUX_IF_H */
132