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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 | |
75 | #define IF_GET_IFACE 0x0001 /* for querying only */ |
76 | #define IF_GET_PROTO 0x0002 |
77 | |
78 | /* For definitions see hdlc.h */ |
79 | #define IF_IFACE_V35 0x1000 /* V.35 serial interface */ |
80 | #define IF_IFACE_V24 0x1001 /* V.24 serial interface */ |
81 | #define IF_IFACE_X21 0x1002 /* X.21 serial interface */ |
82 | #define IF_IFACE_T1 0x1003 /* T1 telco serial interface */ |
83 | #define IF_IFACE_E1 0x1004 /* E1 telco serial interface */ |
84 | #define IF_IFACE_SYNC_SERIAL 0x1005 /* can't be set by software */ |
85 | #define IF_IFACE_X21D 0x1006 /* X.21 Dual Clocking (FarSite) */ |
86 | |
87 | /* For definitions see hdlc.h */ |
88 | #define IF_PROTO_HDLC 0x2000 /* raw HDLC protocol */ |
89 | #define IF_PROTO_PPP 0x2001 /* PPP protocol */ |
90 | #define IF_PROTO_CISCO 0x2002 /* Cisco HDLC protocol */ |
91 | #define IF_PROTO_FR 0x2003 /* Frame Relay protocol */ |
92 | #define IF_PROTO_FR_ADD_PVC 0x2004 /* Create FR PVC */ |
93 | #define IF_PROTO_FR_DEL_PVC 0x2005 /* Delete FR PVC */ |
94 | #define IF_PROTO_X25 0x2006 /* X.25 */ |
95 | #define IF_PROTO_HDLC_ETH 0x2007 /* raw HDLC, Ethernet emulation */ |
96 | #define IF_PROTO_FR_ADD_ETH_PVC 0x2008 /* Create FR Ethernet-bridged PVC */ |
97 | #define IF_PROTO_FR_DEL_ETH_PVC 0x2009 /* Delete FR Ethernet-bridged PVC */ |
98 | #define IF_PROTO_FR_PVC 0x200A /* for reading PVC status */ |
99 | #define IF_PROTO_FR_ETH_PVC 0x200B |
100 | #define IF_PROTO_RAW 0x200C /* RAW Socket */ |
101 | |
102 | /* RFC 2863 operational status */ |
103 | enum { |
104 | IF_OPER_UNKNOWN, |
105 | IF_OPER_NOTPRESENT, |
106 | IF_OPER_DOWN, |
107 | IF_OPER_LOWERLAYERDOWN, |
108 | IF_OPER_TESTING, |
109 | IF_OPER_DORMANT, |
110 | IF_OPER_UP, |
111 | }; |
112 | |
113 | /* link modes */ |
114 | enum { |
115 | IF_LINK_MODE_DEFAULT, |
116 | IF_LINK_MODE_DORMANT, /* limit upward transition to dormant */ |
117 | }; |
118 | |
119 | /* |
120 | * Device mapping structure. I'd just gone off and designed a |
121 | * beautiful scheme using only loadable modules with arguments |
122 | * for driver options and along come the PCMCIA people 8) |
123 | * |
124 | * Ah well. The get() side of this is good for WDSETUP, and it'll |
125 | * be handy for debugging things. The set side is fine for now and |
126 | * being very small might be worth keeping for clean configuration. |
127 | */ |
128 | |
129 | struct ifmap { |
130 | unsigned long mem_start; |
131 | unsigned long mem_end; |
132 | unsigned short base_addr; |
133 | unsigned char irq; |
134 | unsigned char dma; |
135 | unsigned char port; |
136 | /* 3 bytes spare */ |
137 | }; |
138 | |
139 | struct if_settings { |
140 | unsigned int type; /* Type of physical device or protocol */ |
141 | unsigned int size; /* Size of the data allocated by the caller */ |
142 | union { |
143 | /* {atm/eth/dsl}_settings anyone ? */ |
144 | raw_hdlc_proto __user *raw_hdlc; |
145 | cisco_proto __user *cisco; |
146 | fr_proto __user *fr; |
147 | fr_proto_pvc __user *fr_pvc; |
148 | fr_proto_pvc_info __user *fr_pvc_info; |
149 | |
150 | /* interface settings */ |
151 | sync_serial_settings __user *sync; |
152 | te1_settings __user *te1; |
153 | } ifs_ifsu; |
154 | }; |
155 | |
156 | /* |
157 | * Interface request structure used for socket |
158 | * ioctl's. All interface ioctl's must have parameter |
159 | * definitions which begin with ifr_name. The |
160 | * remainder may be interface specific. |
161 | */ |
162 | |
163 | struct ifreq { |
164 | #define IFHWADDRLEN 6 |
165 | union |
166 | { |
167 | char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ |
168 | } ifr_ifrn; |
169 | |
170 | union { |
171 | struct sockaddr ifru_addr; |
172 | struct sockaddr ifru_dstaddr; |
173 | struct sockaddr ifru_broadaddr; |
174 | struct sockaddr ifru_netmask; |
175 | struct sockaddr ifru_hwaddr; |
176 | short ifru_flags; |
177 | int ifru_ivalue; |
178 | int ifru_mtu; |
179 | struct ifmap ifru_map; |
180 | char ifru_slave[IFNAMSIZ]; /* Just fits the size */ |
181 | char ifru_newname[IFNAMSIZ]; |
182 | void __user * ifru_data; |
183 | struct if_settings ifru_settings; |
184 | } ifr_ifru; |
185 | }; |
186 | |
187 | #define ifr_name ifr_ifrn.ifrn_name /* interface name */ |
188 | #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ |
189 | #define ifr_addr ifr_ifru.ifru_addr /* address */ |
190 | #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */ |
191 | #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ |
192 | #define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */ |
193 | #define ifr_flags ifr_ifru.ifru_flags /* flags */ |
194 | #define ifr_metric ifr_ifru.ifru_ivalue /* metric */ |
195 | #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ |
196 | #define ifr_map ifr_ifru.ifru_map /* device map */ |
197 | #define ifr_slave ifr_ifru.ifru_slave /* slave device */ |
198 | #define ifr_data ifr_ifru.ifru_data /* for use by interface */ |
199 | #define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */ |
200 | #define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */ |
201 | #define ifr_qlen ifr_ifru.ifru_ivalue /* Queue length */ |
202 | #define ifr_newname ifr_ifru.ifru_newname /* New name */ |
203 | #define ifr_settings ifr_ifru.ifru_settings /* Device/proto settings*/ |
204 | |
205 | /* |
206 | * Structure used in SIOCGIFCONF request. |
207 | * Used to retrieve interface configuration |
208 | * for machine (useful for programs which |
209 | * must know all networks accessible). |
210 | */ |
211 | |
212 | struct ifconf { |
213 | int ifc_len; /* size of buffer */ |
214 | union { |
215 | char __user *ifcu_buf; |
216 | struct ifreq __user *ifcu_req; |
217 | } ifc_ifcu; |
218 | }; |
219 | #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ |
220 | #define ifc_req ifc_ifcu.ifcu_req /* array of structures */ |
221 | |
222 | #endif /* _LINUX_IF_H */ |
223 |
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