diff options
Diffstat (limited to 'include/net/if.h')
| -rw-r--r-- | include/net/if.h | 136 |
1 files changed, 74 insertions, 62 deletions
diff --git a/include/net/if.h b/include/net/if.h index 3591dded7..b10245f45 100644 --- a/include/net/if.h +++ b/include/net/if.h @@ -1,67 +1,82 @@ -/* Copyright (C) 1997, 1998 Free Software Foundation, Inc. +/* net/if.h -- declarations for inquiring about network interfaces + Copyright (C) 1997,98,99,2000,2001 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ #ifndef _NET_IF_H - #define _NET_IF_H 1 + #include <features.h> -#include <sys/types.h> -#include <sys/socket.h> +#ifdef __USE_MISC +# include <sys/types.h> +# include <sys/socket.h> +#endif + + +/* Length of interface name. */ +#define IF_NAMESIZE 16 + +struct if_nameindex + { + unsigned int if_index; /* 1, 2, ... */ + char *if_name; /* null terminated name: "eth0", ... */ + }; + +#ifdef __USE_MISC /* Standard interface flags. */ enum { IFF_UP = 0x1, /* Interface is up. */ -#define IFF_UP IFF_UP +# define IFF_UP IFF_UP IFF_BROADCAST = 0x2, /* Broadcast address valid. */ -#define IFF_BROADCAST IFF_BROADCAST +# define IFF_BROADCAST IFF_BROADCAST IFF_DEBUG = 0x4, /* Turn on debugging. */ -#define IFF_DEBUG IFF_DEBUG +# define IFF_DEBUG IFF_DEBUG IFF_LOOPBACK = 0x8, /* Is a loopback net. */ -#define IFF_LOOPBACK IFF_LOOPBACK +# define IFF_LOOPBACK IFF_LOOPBACK IFF_POINTOPOINT = 0x10, /* Interface is point-to-point link. */ -#define IFF_POINTOPOINT IFF_POINTOPOINT +# define IFF_POINTOPOINT IFF_POINTOPOINT IFF_NOTRAILERS = 0x20, /* Avoid use of trailers. */ -#define IFF_NOTRAILERS IFF_NOTRAILERS +# define IFF_NOTRAILERS IFF_NOTRAILERS IFF_RUNNING = 0x40, /* Resources allocated. */ -#define IFF_RUNNING IFF_RUNNING +# define IFF_RUNNING IFF_RUNNING IFF_NOARP = 0x80, /* No address resolution protocol. */ -#define IFF_NOARP IFF_NOARP +# define IFF_NOARP IFF_NOARP IFF_PROMISC = 0x100, /* Receive all packets. */ -#define IFF_PROMISC IFF_PROMISC +# define IFF_PROMISC IFF_PROMISC /* Not supported */ IFF_ALLMULTI = 0x200, /* Receive all multicast packets. */ -#define IFF_ALLMULTI IFF_ALLMULTI +# define IFF_ALLMULTI IFF_ALLMULTI IFF_MASTER = 0x400, /* Master of a load balancer. */ -#define IFF_MASTER IFF_MASTER +# define IFF_MASTER IFF_MASTER IFF_SLAVE = 0x800, /* Slave of a load balancer. */ -#define IFF_SLAVE IFF_SLAVE +# define IFF_SLAVE IFF_SLAVE IFF_MULTICAST = 0x1000, /* Supports multicast. */ -#define IFF_MULTICAST IFF_MULTICAST +# define IFF_MULTICAST IFF_MULTICAST IFF_PORTSEL = 0x2000, /* Can set media type. */ -#define IFF_PORTSEL IFF_PORTSEL +# define IFF_PORTSEL IFF_PORTSEL IFF_AUTOMEDIA = 0x4000 /* Auto media select active. */ -#define IFF_AUTOMEDIA IFF_AUTOMEDIA +# define IFF_AUTOMEDIA IFF_AUTOMEDIA }; /* The ifaddr structure contains information about one address of an @@ -81,8 +96,8 @@ struct ifaddr struct ifaddr *ifa_next; /* Next address for interface. */ }; -#define ifa_broadaddr ifa_ifu.ifu_broadaddr /* broadcast address */ -#define ifa_dstaddr ifa_ifu.ifu_dstaddr /* other end of link */ +# define ifa_broadaddr ifa_ifu.ifu_broadaddr /* broadcast address */ +# define ifa_dstaddr ifa_ifu.ifu_dstaddr /* other end of link */ /* Device mapping structure. I'd just gone off and designed a beautiful scheme using only loadable modules with arguments for @@ -109,8 +124,8 @@ struct ifmap struct ifreq { -#define IFHWADDRLEN 6 -#define IFNAMSIZ 16 +# define IFHWADDRLEN 6 +# define IFNAMSIZ IF_NAMESIZE union { char ifrn_name[IFNAMSIZ]; /* Interface name, e.g. "en0". */ @@ -128,25 +143,29 @@ struct ifreq int ifru_mtu; struct ifmap ifru_map; char ifru_slave[IFNAMSIZ]; /* Just fits the size */ + char ifru_newname[IFNAMSIZ]; __caddr_t ifru_data; } ifr_ifru; }; - -#define ifr_name ifr_ifrn.ifrn_name /* interface name */ -#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ -#define ifr_addr ifr_ifru.ifru_addr /* address */ -#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */ -#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ -#define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */ -#define ifr_flags ifr_ifru.ifru_flags /* flags */ -#define ifr_metric ifr_ifru.ifru_ivalue /* metric */ -#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ -#define ifr_map ifr_ifru.ifru_map /* device map */ -#define ifr_slave ifr_ifru.ifru_slave /* slave device */ -#define ifr_data ifr_ifru.ifru_data /* for use by interface */ -#define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */ -#define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */ -#define ifr_qlen ifr_ifru.ifru_ivalue /* queue length */ +# define ifr_name ifr_ifrn.ifrn_name /* interface name */ +# define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ +# define ifr_addr ifr_ifru.ifru_addr /* address */ +# define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-p lnk */ +# define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */ +# define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */ +# define ifr_flags ifr_ifru.ifru_flags /* flags */ +# define ifr_metric ifr_ifru.ifru_ivalue /* metric */ +# define ifr_mtu ifr_ifru.ifru_mtu /* mtu */ +# define ifr_map ifr_ifru.ifru_map /* device map */ +# define ifr_slave ifr_ifru.ifru_slave /* slave device */ +# define ifr_data ifr_ifru.ifru_data /* for use by interface */ +# define ifr_ifindex ifr_ifru.ifru_ivalue /* interface index */ +# define ifr_bandwidth ifr_ifru.ifru_ivalue /* link bandwidth */ +# define ifr_qlen ifr_ifru.ifru_ivalue /* queue length */ +# define ifr_newname ifr_ifru.ifru_newname /* New name */ +# define _IOT_ifreq _IOT(_IOTS(char),IFNAMSIZ,_IOTS(char),16,0,0) +# define _IOT_ifreq_short _IOT(_IOTS(char),IFNAMSIZ,_IOTS(short),1,0,0) +# define _IOT_ifreq_int _IOT(_IOTS(char),IFNAMSIZ,_IOTS(int),1,0,0) /* Structure used in SIOCGIFCONF request. Used to retrieve interface @@ -162,29 +181,22 @@ struct ifconf struct ifreq *ifcu_req; } ifc_ifcu; }; -#define ifc_buf ifc_ifcu.ifcu_buf /* Buffer address. */ -#define ifc_req ifc_ifcu.ifcu_req /* Array of structures. */ +# define ifc_buf ifc_ifcu.ifcu_buf /* Buffer address. */ +# define ifc_req ifc_ifcu.ifcu_req /* Array of structures. */ +# define _IOT_ifconf _IOT(_IOTS(struct ifconf),1,0,0,0,0) /* not right */ +#endif /* Misc. */ __BEGIN_DECLS /* Convert an interface name to an index, and vice versa. */ - -extern unsigned int if_nametoindex __P ((__const char *__ifname)); -extern char *if_indextoname __P ((unsigned int __ifindex, char *__ifname)); +extern unsigned int if_nametoindex (__const char *__ifname) __THROW; +extern char *if_indextoname (unsigned int __ifindex, char *__ifname) __THROW; /* Return a list of all interfaces and their indices. */ - -struct if_nameindex - { - unsigned int if_index; /* 1, 2, ... */ - char *if_name; /* null terminated name: "eth0", ... */ - }; - -extern struct if_nameindex *if_nameindex __P ((void)); +extern struct if_nameindex *if_nameindex (void) __THROW; /* Free the data returned from if_nameindex. */ - -extern void if_freenameindex __P ((struct if_nameindex *__ptr)); +extern void if_freenameindex (struct if_nameindex *__ptr) __THROW; __END_DECLS |