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1da177e4 LT |
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 | |
02c30a84 | 11 | * Ross Biro |
1da177e4 LT |
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 | |
0b815a1a | 27 | #define IFALIASZ 256 |
1da177e4 LT |
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 */ | |
b00055aa | 37 | #define IFF_RUNNING 0x40 /* interface RFC2863 OPER_UP */ |
1da177e4 LT |
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 | ||
1da177e4 LT |
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 | ||
b00055aa SR |
51 | #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */ |
52 | #define IFF_DORMANT 0x20000 /* driver signals dormant */ | |
53 | ||
cd05acfe OH |
54 | #define IFF_ECHO 0x40000 /* echo sent packets */ |
55 | ||
56 | #define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_ECHO|\ | |
b00055aa SR |
57 | IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT) |
58 | ||
1da177e4 LT |
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. */ | |
8f903c70 JV |
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. */ | |
0b680e75 | 65 | #define IFF_BONDING 0x20 /* bonding master or slave */ |
f5b2b966 | 66 | #define IFF_SLAVE_NEEDARP 0x40 /* need ARPs for validation */ |
c7dc89c0 | 67 | #define IFF_ISATAP 0x80 /* ISATAP interface (RFC4214) */ |
6cf3f41e | 68 | #define IFF_MASTER_ARPMON 0x100 /* bonding master, ARP mon in use */ |
7cdc15f5 | 69 | #define IFF_WAN_HDLC 0x200 /* WAN HDLC device */ |
93f154b5 ED |
70 | #define IFF_XMIT_DST_RELEASE 0x400 /* dev_hard_start_xmit() is allowed to |
71 | * release skb->dst | |
72 | */ | |
ad4bb6f8 | 73 | #define IFF_DONT_BRIDGE 0x800 /* disallow bridging this ether dev */ |
0e34e931 WC |
74 | #define IFF_IN_NETPOLL 0x1000 /* whether we are processing netpoll */ |
75 | #define IFF_DISABLE_NETPOLL 0x2000 /* disable netpoll at run-time */ | |
a35e2c1b | 76 | #define IFF_MACVLAN_PORT 0x4000 /* device used as macvlan port */ |
f350a0a8 | 77 | #define IFF_BRIDGE_PORT 0x8000 /* device used as bridge port */ |
1726442e | 78 | #define IFF_OVS_DATAPATH 0x10000 /* device used as Open vSwitch |
409456b1 | 79 | * datapath port */ |
1da177e4 LT |
80 | |
81 | #define IF_GET_IFACE 0x0001 /* for querying only */ | |
82 | #define IF_GET_PROTO 0x0002 | |
83 | ||
84 | /* For definitions see hdlc.h */ | |
85 | #define IF_IFACE_V35 0x1000 /* V.35 serial interface */ | |
86 | #define IF_IFACE_V24 0x1001 /* V.24 serial interface */ | |
87 | #define IF_IFACE_X21 0x1002 /* X.21 serial interface */ | |
88 | #define IF_IFACE_T1 0x1003 /* T1 telco serial interface */ | |
89 | #define IF_IFACE_E1 0x1004 /* E1 telco serial interface */ | |
90 | #define IF_IFACE_SYNC_SERIAL 0x1005 /* can't be set by software */ | |
91 | #define IF_IFACE_X21D 0x1006 /* X.21 Dual Clocking (FarSite) */ | |
92 | ||
93 | /* For definitions see hdlc.h */ | |
94 | #define IF_PROTO_HDLC 0x2000 /* raw HDLC protocol */ | |
95 | #define IF_PROTO_PPP 0x2001 /* PPP protocol */ | |
96 | #define IF_PROTO_CISCO 0x2002 /* Cisco HDLC protocol */ | |
97 | #define IF_PROTO_FR 0x2003 /* Frame Relay protocol */ | |
98 | #define IF_PROTO_FR_ADD_PVC 0x2004 /* Create FR PVC */ | |
99 | #define IF_PROTO_FR_DEL_PVC 0x2005 /* Delete FR PVC */ | |
100 | #define IF_PROTO_X25 0x2006 /* X.25 */ | |
101 | #define IF_PROTO_HDLC_ETH 0x2007 /* raw HDLC, Ethernet emulation */ | |
102 | #define IF_PROTO_FR_ADD_ETH_PVC 0x2008 /* Create FR Ethernet-bridged PVC */ | |
103 | #define IF_PROTO_FR_DEL_ETH_PVC 0x2009 /* Delete FR Ethernet-bridged PVC */ | |
104 | #define IF_PROTO_FR_PVC 0x200A /* for reading PVC status */ | |
105 | #define IF_PROTO_FR_ETH_PVC 0x200B | |
106 | #define IF_PROTO_RAW 0x200C /* RAW Socket */ | |
107 | ||
b00055aa SR |
108 | /* RFC 2863 operational status */ |
109 | enum { | |
110 | IF_OPER_UNKNOWN, | |
111 | IF_OPER_NOTPRESENT, | |
112 | IF_OPER_DOWN, | |
113 | IF_OPER_LOWERLAYERDOWN, | |
114 | IF_OPER_TESTING, | |
115 | IF_OPER_DORMANT, | |
116 | IF_OPER_UP, | |
117 | }; | |
118 | ||
119 | /* link modes */ | |
120 | enum { | |
121 | IF_LINK_MODE_DEFAULT, | |
122 | IF_LINK_MODE_DORMANT, /* limit upward transition to dormant */ | |
123 | }; | |
1da177e4 LT |
124 | |
125 | /* | |
126 | * Device mapping structure. I'd just gone off and designed a | |
127 | * beautiful scheme using only loadable modules with arguments | |
128 | * for driver options and along come the PCMCIA people 8) | |
129 | * | |
130 | * Ah well. The get() side of this is good for WDSETUP, and it'll | |
131 | * be handy for debugging things. The set side is fine for now and | |
132 | * being very small might be worth keeping for clean configuration. | |
133 | */ | |
134 | ||
d94d9fee | 135 | struct ifmap { |
1da177e4 LT |
136 | unsigned long mem_start; |
137 | unsigned long mem_end; | |
138 | unsigned short base_addr; | |
139 | unsigned char irq; | |
140 | unsigned char dma; | |
141 | unsigned char port; | |
142 | /* 3 bytes spare */ | |
143 | }; | |
144 | ||
d94d9fee | 145 | struct if_settings { |
1da177e4 LT |
146 | unsigned int type; /* Type of physical device or protocol */ |
147 | unsigned int size; /* Size of the data allocated by the caller */ | |
148 | union { | |
149 | /* {atm/eth/dsl}_settings anyone ? */ | |
150 | raw_hdlc_proto __user *raw_hdlc; | |
151 | cisco_proto __user *cisco; | |
152 | fr_proto __user *fr; | |
153 | fr_proto_pvc __user *fr_pvc; | |
154 | fr_proto_pvc_info __user *fr_pvc_info; | |
155 | ||
156 | /* interface settings */ | |
157 | sync_serial_settings __user *sync; | |
158 | te1_settings __user *te1; | |
159 | } ifs_ifsu; | |
160 | }; | |
161 | ||
162 | /* | |
163 | * Interface request structure used for socket | |
164 | * ioctl's. All interface ioctl's must have parameter | |
165 | * definitions which begin with ifr_name. The | |
166 | * remainder may be interface specific. | |
167 | */ | |
168 | ||
d94d9fee | 169 | struct ifreq { |
1da177e4 LT |
170 | #define IFHWADDRLEN 6 |
171 | union | |
172 | { | |
173 | char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ | |
174 | } ifr_ifrn; | |
175 | ||
176 | union { | |
177 | struct sockaddr ifru_addr; | |
178 | struct sockaddr ifru_dstaddr; | |
179 | struct sockaddr ifru_broadaddr; | |
180 | struct sockaddr ifru_netmask; | |
181 | struct sockaddr ifru_hwaddr; | |
182 | short ifru_flags; | |
183 | int ifru_ivalue; | |
184 | int ifru_mtu; | |
185 | struct ifmap ifru_map; | |
186 | char ifru_slave[IFNAMSIZ]; /* Just fits the size */ | |
187 | char ifru_newname[IFNAMSIZ]; | |
188 | void __user * ifru_data; | |
189 | struct if_settings ifru_settings; | |
190 | } ifr_ifru; | |
191 | }; | |
192 | ||
193 | #define ifr_name ifr_ifrn.ifrn_name /* interface name */ | |
194 | #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ | |
195 | #define ifr_addr ifr_ifru.ifru_addr /* address */ | |
196 | #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */ | |
197 | #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ | |
198 | #define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */ | |
199 | #define ifr_flags ifr_ifru.ifru_flags /* flags */ | |
200 | #define ifr_metric ifr_ifru.ifru_ivalue /* metric */ | |
201 | #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ | |
202 | #define ifr_map ifr_ifru.ifru_map /* device map */ | |
203 | #define ifr_slave ifr_ifru.ifru_slave /* slave device */ | |
204 | #define ifr_data ifr_ifru.ifru_data /* for use by interface */ | |
205 | #define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */ | |
206 | #define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */ | |
207 | #define ifr_qlen ifr_ifru.ifru_ivalue /* Queue length */ | |
208 | #define ifr_newname ifr_ifru.ifru_newname /* New name */ | |
209 | #define ifr_settings ifr_ifru.ifru_settings /* Device/proto settings*/ | |
210 | ||
211 | /* | |
212 | * Structure used in SIOCGIFCONF request. | |
213 | * Used to retrieve interface configuration | |
214 | * for machine (useful for programs which | |
215 | * must know all networks accessible). | |
216 | */ | |
217 | ||
d94d9fee | 218 | struct ifconf { |
1da177e4 | 219 | int ifc_len; /* size of buffer */ |
d94d9fee | 220 | union { |
1da177e4 LT |
221 | char __user *ifcu_buf; |
222 | struct ifreq __user *ifcu_req; | |
223 | } ifc_ifcu; | |
224 | }; | |
225 | #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ | |
226 | #define ifc_req ifc_ifcu.ifcu_req /* array of structures */ | |
227 | ||
1da177e4 | 228 | #endif /* _LINUX_IF_H */ |