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lh9ed821d2023-04-07 01:36:19 -07001/*
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#define IFNAMSIZ 16
23#define IFALIASZ 256
24
25/* Standard interface flags (netdevice->flags). */
26#define IFF_UP 0x1 /* interface is up */
27#define IFF_BROADCAST 0x2 /* broadcast address valid */
28#define IFF_DEBUG 0x4 /* turn on debugging */
29#define IFF_LOOPBACK 0x8 /* is a loopback net */
30#define IFF_POINTOPOINT 0x10 /* interface is has p-p link */
31#define IFF_NOTRAILERS 0x20 /* avoid use of trailers */
32#define IFF_RUNNING 0x40 /* interface RFC2863 OPER_UP */
33#define IFF_NOARP 0x80 /* no ARP protocol */
34#define IFF_PROMISC 0x100 /* receive all packets */
35#define IFF_ALLMULTI 0x200 /* receive all multicast packets*/
36
37#define IFF_MASTER 0x400 /* master of a load balancer */
38#define IFF_SLAVE 0x800 /* slave of a load balancer */
39
40#define IFF_MULTICAST 0x1000 /* Supports multicast */
41
42#define IFF_PORTSEL 0x2000 /* can set media type */
43#define IFF_AUTOMEDIA 0x4000 /* auto media select active */
44#define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses*/
45
46#define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
47#define IFF_DORMANT 0x20000 /* driver signals dormant */
48
49#define IFF_ECHO 0x40000 /* echo sent packets */
50
51#define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_ECHO|\
52 IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT)
53
54/* Private (from user) interface flags (netdevice->priv_flags). */
55#define IFF_802_1Q_VLAN 0x1 /* 802.1Q VLAN device. */
56#define IFF_EBRIDGE 0x2 /* Ethernet bridging device. */
57#define IFF_SLAVE_INACTIVE 0x4 /* bonding slave not the curr. active */
58#define IFF_MASTER_8023AD 0x8 /* bonding master, 802.3ad. */
59#define IFF_MASTER_ALB 0x10 /* bonding master, balance-alb. */
60#define IFF_BONDING 0x20 /* bonding master or slave */
61#define IFF_SLAVE_NEEDARP 0x40 /* need ARPs for validation */
62#define IFF_ISATAP 0x80 /* ISATAP interface (RFC4214) */
63#define IFF_MASTER_ARPMON 0x100 /* bonding master, ARP mon in use */
64#define IFF_WAN_HDLC 0x200 /* WAN HDLC device */
65#define IFF_XMIT_DST_RELEASE 0x400 /* dev_hard_start_xmit() is allowed to
66 * release skb->dst
67 */
68#define IFF_DONT_BRIDGE 0x800 /* disallow bridging this ether dev */
69#define IFF_IN_NETPOLL 0x1000 /* whether we are processing netpoll */
70#define IFF_DISABLE_NETPOLL 0x2000 /* disable netpoll at run-time */
71#define IFF_MACVLAN_PORT 0x4000 /* device used as macvlan port */
72#define IFF_BRIDGE_PORT 0x8000 /* device used as bridge port */
73#define IFF_OVS_DATAPATH 0x10000 /* device used as Open vSwitch
74 * datapath port */
75
76#define IF_GET_IFACE 0x0001 /* for querying only */
77#define IF_GET_PROTO 0x0002
78
79/* For definitions see hdlc.h */
80#define IF_IFACE_V35 0x1000 /* V.35 serial interface */
81#define IF_IFACE_V24 0x1001 /* V.24 serial interface */
82#define IF_IFACE_X21 0x1002 /* X.21 serial interface */
83#define IF_IFACE_T1 0x1003 /* T1 telco serial interface */
84#define IF_IFACE_E1 0x1004 /* E1 telco serial interface */
85#define IF_IFACE_SYNC_SERIAL 0x1005 /* can't be set by software */
86#define IF_IFACE_X21D 0x1006 /* X.21 Dual Clocking (FarSite) */
87
88/* For definitions see hdlc.h */
89#define IF_PROTO_HDLC 0x2000 /* raw HDLC protocol */
90#define IF_PROTO_PPP 0x2001 /* PPP protocol */
91#define IF_PROTO_CISCO 0x2002 /* Cisco HDLC protocol */
92#define IF_PROTO_FR 0x2003 /* Frame Relay protocol */
93#define IF_PROTO_FR_ADD_PVC 0x2004 /* Create FR PVC */
94#define IF_PROTO_FR_DEL_PVC 0x2005 /* Delete FR PVC */
95#define IF_PROTO_X25 0x2006 /* X.25 */
96#define IF_PROTO_HDLC_ETH 0x2007 /* raw HDLC, Ethernet emulation */
97#define IF_PROTO_FR_ADD_ETH_PVC 0x2008 /* Create FR Ethernet-bridged PVC */
98#define IF_PROTO_FR_DEL_ETH_PVC 0x2009 /* Delete FR Ethernet-bridged PVC */
99#define IF_PROTO_FR_PVC 0x200A /* for reading PVC status */
100#define IF_PROTO_FR_ETH_PVC 0x200B
101#define IF_PROTO_RAW 0x200C /* RAW Socket */
102
103/* RFC 2863 operational status */
104enum {
105 IF_OPER_UNKNOWN,
106 IF_OPER_NOTPRESENT,
107 IF_OPER_DOWN,
108 IF_OPER_LOWERLAYERDOWN,
109 IF_OPER_TESTING,
110 IF_OPER_DORMANT,
111 IF_OPER_UP,
112};
113
114/* link modes */
115enum {
116 IF_LINK_MODE_DEFAULT,
117 IF_LINK_MODE_DORMANT, /* limit upward transition to dormant */
118};
119
120/* carrier state */
121enum {
122 IF_CARRIER_DOWN,
123 IF_CARRIER_UP
124};
125
126/*
127 * Device mapping structure. I'd just gone off and designed a
128 * beautiful scheme using only loadable modules with arguments
129 * for driver options and along come the PCMCIA people 8)
130 *
131 * Ah well. The get() side of this is good for WDSETUP, and it'll
132 * be handy for debugging things. The set side is fine for now and
133 * being very small might be worth keeping for clean configuration.
134 */
135
136struct ifmap {
137 unsigned long mem_start;
138 unsigned long mem_end;
139 unsigned short base_addr;
140 unsigned char irq;
141 unsigned char dma;
142 unsigned char port;
143 /* 3 bytes spare */
144};
145
146#endif /* _LINUX_IF_H */