aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/if.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/if.h')
-rw-r--r--include/linux/if.h229
1 files changed, 229 insertions, 0 deletions
diff --git a/include/linux/if.h b/include/linux/if.h
new file mode 100644
index 00000000000..03489ca92de
--- /dev/null
+++ b/include/linux/if.h
@@ -0,0 +1,229 @@
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#include <linux/socket.h> /* for "struct sockaddr" et al */
24#include <linux/compiler.h> /* for "__user" et al */
25
26#define IFNAMSIZ 16
27#define IFALIASZ 256
28#include <linux/hdlc/ioctl.h>
29
30/* Standard interface flags (netdevice->flags). */
31#define IFF_UP 0x1 /* interface is up */
32#define IFF_BROADCAST 0x2 /* broadcast address valid */
33#define IFF_DEBUG 0x4 /* turn on debugging */
34#define IFF_LOOPBACK 0x8 /* is a loopback net */
35#define IFF_POINTOPOINT 0x10 /* interface is has p-p link */
36#define IFF_NOTRAILERS 0x20 /* avoid use of trailers */
37#define IFF_RUNNING 0x40 /* interface RFC2863 OPER_UP */
38#define IFF_NOARP 0x80 /* no ARP protocol */
39#define IFF_PROMISC 0x100 /* receive all packets */
40#define IFF_ALLMULTI 0x200 /* receive all multicast packets*/
41
42#define IFF_MASTER 0x400 /* master of a load balancer */
43#define IFF_SLAVE 0x800 /* slave of a load balancer */
44
45#define IFF_MULTICAST 0x1000 /* Supports multicast */
46
47#define IFF_PORTSEL 0x2000 /* can set media type */
48#define IFF_AUTOMEDIA 0x4000 /* auto media select active */
49#define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses*/
50
51#define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
52#define IFF_DORMANT 0x20000 /* driver signals dormant */
53
54#define IFF_ECHO 0x40000 /* echo sent packets */
55
56#define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_ECHO|\
57 IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT)
58
59/* Private (from user) interface flags (netdevice->priv_flags). */
60#define IFF_802_1Q_VLAN 0x1 /* 802.1Q VLAN device. */
61#define IFF_EBRIDGE 0x2 /* Ethernet bridging device. */
62#define IFF_SLAVE_INACTIVE 0x4 /* bonding slave not the curr. active */
63#define IFF_MASTER_8023AD 0x8 /* bonding master, 802.3ad. */
64#define IFF_MASTER_ALB 0x10 /* bonding master, balance-alb. */
65#define IFF_BONDING 0x20 /* bonding master or slave */
66#define IFF_SLAVE_NEEDARP 0x40 /* need ARPs for validation */
67#define IFF_ISATAP 0x80 /* ISATAP interface (RFC4214) */
68#define IFF_MASTER_ARPMON 0x100 /* bonding master, ARP mon in use */
69#define IFF_WAN_HDLC 0x200 /* WAN HDLC device */
70#define IFF_XMIT_DST_RELEASE 0x400 /* dev_hard_start_xmit() is allowed to
71 * release skb->dst
72 */
73#define IFF_DONT_BRIDGE 0x800 /* disallow bridging this ether dev */
74#define IFF_DISABLE_NETPOLL 0x1000 /* disable netpoll at run-time */
75#define IFF_MACVLAN_PORT 0x2000 /* device used as macvlan port */
76#define IFF_BRIDGE_PORT 0x4000 /* device used as bridge port */
77#define IFF_OVS_DATAPATH 0x8000 /* device used as Open vSwitch
78 * datapath port */
79#define IFF_TX_SKB_SHARING 0x10000 /* The interface supports sharing
80 * skbs on transmit */
81
82#define IF_GET_IFACE 0x0001 /* for querying only */
83#define IF_GET_PROTO 0x0002
84
85/* For definitions see hdlc.h */
86#define IF_IFACE_V35 0x1000 /* V.35 serial interface */
87#define IF_IFACE_V24 0x1001 /* V.24 serial interface */
88#define IF_IFACE_X21 0x1002 /* X.21 serial interface */
89#define IF_IFACE_T1 0x1003 /* T1 telco serial interface */
90#define IF_IFACE_E1 0x1004 /* E1 telco serial interface */
91#define IF_IFACE_SYNC_SERIAL 0x1005 /* can't be set by software */
92#define IF_IFACE_X21D 0x1006 /* X.21 Dual Clocking (FarSite) */
93
94/* For definitions see hdlc.h */
95#define IF_PROTO_HDLC 0x2000 /* raw HDLC protocol */
96#define IF_PROTO_PPP 0x2001 /* PPP protocol */
97#define IF_PROTO_CISCO 0x2002 /* Cisco HDLC protocol */
98#define IF_PROTO_FR 0x2003 /* Frame Relay protocol */
99#define IF_PROTO_FR_ADD_PVC 0x2004 /* Create FR PVC */
100#define IF_PROTO_FR_DEL_PVC 0x2005 /* Delete FR PVC */
101#define IF_PROTO_X25 0x2006 /* X.25 */
102#define IF_PROTO_HDLC_ETH 0x2007 /* raw HDLC, Ethernet emulation */
103#define IF_PROTO_FR_ADD_ETH_PVC 0x2008 /* Create FR Ethernet-bridged PVC */
104#define IF_PROTO_FR_DEL_ETH_PVC 0x2009 /* Delete FR Ethernet-bridged PVC */
105#define IF_PROTO_FR_PVC 0x200A /* for reading PVC status */
106#define IF_PROTO_FR_ETH_PVC 0x200B
107#define IF_PROTO_RAW 0x200C /* RAW Socket */
108
109/* RFC 2863 operational status */
110enum {
111 IF_OPER_UNKNOWN,
112 IF_OPER_NOTPRESENT,
113 IF_OPER_DOWN,
114 IF_OPER_LOWERLAYERDOWN,
115 IF_OPER_TESTING,
116 IF_OPER_DORMANT,
117 IF_OPER_UP,
118};
119
120/* link modes */
121enum {
122 IF_LINK_MODE_DEFAULT,
123 IF_LINK_MODE_DORMANT, /* limit upward transition to dormant */
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
146struct if_settings {
147 unsigned int type; /* Type of physical device or protocol */
148 unsigned int size; /* Size of the data allocated by the caller */
149 union {
150 /* {atm/eth/dsl}_settings anyone ? */
151 raw_hdlc_proto __user *raw_hdlc;
152 cisco_proto __user *cisco;
153 fr_proto __user *fr;
154 fr_proto_pvc __user *fr_pvc;
155 fr_proto_pvc_info __user *fr_pvc_info;
156
157 /* interface settings */
158 sync_serial_settings __user *sync;
159 te1_settings __user *te1;
160 } ifs_ifsu;
161};
162
163/*
164 * Interface request structure used for socket
165 * ioctl's. All interface ioctl's must have parameter
166 * definitions which begin with ifr_name. The
167 * remainder may be interface specific.
168 */
169
170struct ifreq {
171#define IFHWADDRLEN 6
172 union
173 {
174 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
175 } ifr_ifrn;
176
177 union {
178 struct sockaddr ifru_addr;
179 struct sockaddr ifru_dstaddr;
180 struct sockaddr ifru_broadaddr;
181 struct sockaddr ifru_netmask;
182 struct sockaddr ifru_hwaddr;
183 short ifru_flags;
184 int ifru_ivalue;
185 int ifru_mtu;
186 struct ifmap ifru_map;
187 char ifru_slave[IFNAMSIZ]; /* Just fits the size */
188 char ifru_newname[IFNAMSIZ];
189 void __user * ifru_data;
190 struct if_settings ifru_settings;
191 } ifr_ifru;
192};
193
194#define ifr_name ifr_ifrn.ifrn_name /* interface name */
195#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
196#define ifr_addr ifr_ifru.ifru_addr /* address */
197#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */
198#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
199#define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */
200#define ifr_flags ifr_ifru.ifru_flags /* flags */
201#define ifr_metric ifr_ifru.ifru_ivalue /* metric */
202#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
203#define ifr_map ifr_ifru.ifru_map /* device map */
204#define ifr_slave ifr_ifru.ifru_slave /* slave device */
205#define ifr_data ifr_ifru.ifru_data /* for use by interface */
206#define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */
207#define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */
208#define ifr_qlen ifr_ifru.ifru_ivalue /* Queue length */
209#define ifr_newname ifr_ifru.ifru_newname /* New name */
210#define ifr_settings ifr_ifru.ifru_settings /* Device/proto settings*/
211
212/*
213 * Structure used in SIOCGIFCONF request.
214 * Used to retrieve interface configuration
215 * for machine (useful for programs which
216 * must know all networks accessible).
217 */
218
219struct ifconf {
220 int ifc_len; /* size of buffer */
221 union {
222 char __user *ifcu_buf;
223 struct ifreq __user *ifcu_req;
224 } ifc_ifcu;
225};
226#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
227#define ifc_req ifc_ifcu.ifcu_req /* array of structures */
228
229#endif /* _LINUX_IF_H */
generated by cgit v1.2.2 (git 2.25.0) at 2025-04-28 21:40:39 -0400