if.h 7.4 KB

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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. #include <linux/types.h> /* for "__kernel_caddr_t" et al */
  22. #include <linux/socket.h> /* for "struct sockaddr" et al */
  23. #include <linux/compiler.h> /* for "__user" et al */
  24. #define IFNAMSIZ 16
  25. #include <linux/hdlc/ioctl.h>
  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. #define IFF_MASTER 0x400 /* master of a load balancer */
  38. #define IFF_SLAVE 0x800 /* slave of a load balancer */
  39. #define IFF_MULTICAST 0x1000 /* Supports multicast */
  40. #define IFF_PORTSEL 0x2000 /* can set media type */
  41. #define IFF_AUTOMEDIA 0x4000 /* auto media select active */
  42. #define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses*/
  43. #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
  44. #define IFF_DORMANT 0x20000 /* driver signals dormant */
  45. #define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|\
  46. IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT)
  47. /* Private (from user) interface flags (netdevice->priv_flags). */
  48. #define IFF_802_1Q_VLAN 0x1 /* 802.1Q VLAN device. */
  49. #define IFF_EBRIDGE 0x2 /* Ethernet bridging device. */
  50. #define IFF_SLAVE_INACTIVE 0x4 /* bonding slave not the curr. active */
  51. #define IFF_MASTER_8023AD 0x8 /* bonding master, 802.3ad. */
  52. #define IFF_MASTER_ALB 0x10 /* bonding master, balance-alb. */
  53. #define IFF_BONDING 0x20 /* bonding master or slave */
  54. #define IFF_SLAVE_NEEDARP 0x40 /* need ARPs for validation */
  55. #define IF_GET_IFACE 0x0001 /* for querying only */
  56. #define IF_GET_PROTO 0x0002
  57. /* For definitions see hdlc.h */
  58. #define IF_IFACE_V35 0x1000 /* V.35 serial interface */
  59. #define IF_IFACE_V24 0x1001 /* V.24 serial interface */
  60. #define IF_IFACE_X21 0x1002 /* X.21 serial interface */
  61. #define IF_IFACE_T1 0x1003 /* T1 telco serial interface */
  62. #define IF_IFACE_E1 0x1004 /* E1 telco serial interface */
  63. #define IF_IFACE_SYNC_SERIAL 0x1005 /* can't be set by software */
  64. #define IF_IFACE_X21D 0x1006 /* X.21 Dual Clocking (FarSite) */
  65. /* For definitions see hdlc.h */
  66. #define IF_PROTO_HDLC 0x2000 /* raw HDLC protocol */
  67. #define IF_PROTO_PPP 0x2001 /* PPP protocol */
  68. #define IF_PROTO_CISCO 0x2002 /* Cisco HDLC protocol */
  69. #define IF_PROTO_FR 0x2003 /* Frame Relay protocol */
  70. #define IF_PROTO_FR_ADD_PVC 0x2004 /* Create FR PVC */
  71. #define IF_PROTO_FR_DEL_PVC 0x2005 /* Delete FR PVC */
  72. #define IF_PROTO_X25 0x2006 /* X.25 */
  73. #define IF_PROTO_HDLC_ETH 0x2007 /* raw HDLC, Ethernet emulation */
  74. #define IF_PROTO_FR_ADD_ETH_PVC 0x2008 /* Create FR Ethernet-bridged PVC */
  75. #define IF_PROTO_FR_DEL_ETH_PVC 0x2009 /* Delete FR Ethernet-bridged PVC */
  76. #define IF_PROTO_FR_PVC 0x200A /* for reading PVC status */
  77. #define IF_PROTO_FR_ETH_PVC 0x200B
  78. #define IF_PROTO_RAW 0x200C /* RAW Socket */
  79. /* RFC 2863 operational status */
  80. enum {
  81. IF_OPER_UNKNOWN,
  82. IF_OPER_NOTPRESENT,
  83. IF_OPER_DOWN,
  84. IF_OPER_LOWERLAYERDOWN,
  85. IF_OPER_TESTING,
  86. IF_OPER_DORMANT,
  87. IF_OPER_UP,
  88. };
  89. /* link modes */
  90. enum {
  91. IF_LINK_MODE_DEFAULT,
  92. IF_LINK_MODE_DORMANT, /* limit upward transition to dormant */
  93. };
  94. /*
  95. * Device mapping structure. I'd just gone off and designed a
  96. * beautiful scheme using only loadable modules with arguments
  97. * for driver options and along come the PCMCIA people 8)
  98. *
  99. * Ah well. The get() side of this is good for WDSETUP, and it'll
  100. * be handy for debugging things. The set side is fine for now and
  101. * being very small might be worth keeping for clean configuration.
  102. */
  103. struct ifmap
  104. {
  105. unsigned long mem_start;
  106. unsigned long mem_end;
  107. unsigned short base_addr;
  108. unsigned char irq;
  109. unsigned char dma;
  110. unsigned char port;
  111. /* 3 bytes spare */
  112. };
  113. struct if_settings
  114. {
  115. unsigned int type; /* Type of physical device or protocol */
  116. unsigned int size; /* Size of the data allocated by the caller */
  117. union {
  118. /* {atm/eth/dsl}_settings anyone ? */
  119. raw_hdlc_proto __user *raw_hdlc;
  120. cisco_proto __user *cisco;
  121. fr_proto __user *fr;
  122. fr_proto_pvc __user *fr_pvc;
  123. fr_proto_pvc_info __user *fr_pvc_info;
  124. /* interface settings */
  125. sync_serial_settings __user *sync;
  126. te1_settings __user *te1;
  127. } ifs_ifsu;
  128. };
  129. /*
  130. * Interface request structure used for socket
  131. * ioctl's. All interface ioctl's must have parameter
  132. * definitions which begin with ifr_name. The
  133. * remainder may be interface specific.
  134. */
  135. struct ifreq
  136. {
  137. #define IFHWADDRLEN 6
  138. union
  139. {
  140. char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
  141. } ifr_ifrn;
  142. union {
  143. struct sockaddr ifru_addr;
  144. struct sockaddr ifru_dstaddr;
  145. struct sockaddr ifru_broadaddr;
  146. struct sockaddr ifru_netmask;
  147. struct sockaddr ifru_hwaddr;
  148. short ifru_flags;
  149. int ifru_ivalue;
  150. int ifru_mtu;
  151. struct ifmap ifru_map;
  152. char ifru_slave[IFNAMSIZ]; /* Just fits the size */
  153. char ifru_newname[IFNAMSIZ];
  154. void __user * ifru_data;
  155. struct if_settings ifru_settings;
  156. } ifr_ifru;
  157. };
  158. #define ifr_name ifr_ifrn.ifrn_name /* interface name */
  159. #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
  160. #define ifr_addr ifr_ifru.ifru_addr /* address */
  161. #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */
  162. #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
  163. #define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */
  164. #define ifr_flags ifr_ifru.ifru_flags /* flags */
  165. #define ifr_metric ifr_ifru.ifru_ivalue /* metric */
  166. #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
  167. #define ifr_map ifr_ifru.ifru_map /* device map */
  168. #define ifr_slave ifr_ifru.ifru_slave /* slave device */
  169. #define ifr_data ifr_ifru.ifru_data /* for use by interface */
  170. #define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */
  171. #define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */
  172. #define ifr_qlen ifr_ifru.ifru_ivalue /* Queue length */
  173. #define ifr_newname ifr_ifru.ifru_newname /* New name */
  174. #define ifr_settings ifr_ifru.ifru_settings /* Device/proto settings*/
  175. /*
  176. * Structure used in SIOCGIFCONF request.
  177. * Used to retrieve interface configuration
  178. * for machine (useful for programs which
  179. * must know all networks accessible).
  180. */
  181. struct ifconf
  182. {
  183. int ifc_len; /* size of buffer */
  184. union
  185. {
  186. char __user *ifcu_buf;
  187. struct ifreq __user *ifcu_req;
  188. } ifc_ifcu;
  189. };
  190. #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
  191. #define ifc_req ifc_ifcu.ifcu_req /* array of structures */
  192. #endif /* _LINUX_IF_H */