sbin/ifconfig/ifconfig.h

   1 /*
   2  * Copyright (c) 1997 Peter Wemm.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed for the FreeBSD Project
  16  *      by Peter Wemm.
  17  * 4. The name of the author may not be used to endorse or promote products
  18  *    derived from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  25  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  26  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  27  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  *
  32  * so there!
  33  *
  34  * $FreeBSD: src/sbin/ifconfig/ifconfig.h,v 1.16.2.1 2005/07/21 12:25:40 rwatson Exp $
  35  */
  36
  37 struct afswtch;
  38 struct cmd;
  39
  40 typedef void c_func(const char *cmd, int arg, int s, const struct afswtch *afp);
  41 typedef void c_func2(const char *arg1, const char *arg2, int s, const struct afswtch *afp);
  42
  43 struct cmd {
  44         const char *c_name;
  45         int     c_parameter;
  46 #define NEXTARG         0xffffff        /* has following arg */
  47 #define NEXTARG2        0xfffffe        /* has 2 following args */
  48 #define OPTARG          0xfffffd        /* has optional following arg */
  49         union {
  50                 c_func  *c_func;
  51                 c_func2 *c_func2;
  52         } c_u;
  53         int     c_iscloneop;
  54         struct cmd *c_next;
  55 };
  56 void    cmd_register(struct cmd *);
  57
  58 typedef void callback_func(int s, void *);
  59 void    callback_register(callback_func *, void *);
  60
  61 /*
  62  * Macros for declaring command functions and initializing entries.
  63  */
  64 #define DECL_CMD_FUNC(name, cmd, arg)           \
  65         void name(const char *cmd, int arg, int s, const struct afswtch *afp)
  66 #define DECL_CMD_FUNC2(name, arg1, arg2)        \
  67         void name(const char *arg1, const char *arg2, int s, const struct afswtch *afp)
  68
  69 #define DEF_CMD(name, param, func)      \
  70         { name, param, { .c_func = func }, 0, NULL }
  71 #define DEF_CMD_ARG(name, func)         \
  72         { .c_name = name, .c_parameter = NEXTARG, \
  73                 .c_u = { .c_func = func }, 0, NULL }
  74 #define DEF_CMD_OPTARG(name, func)      \
  75         { name, OPTARG, { .c_func = func }, 0, NULL }
  76 #define DEF_CMD_ARG2(name, func)        \
  77         { name, NEXTARG2, { .c_func2 = func }, 0, NULL }
  78 #define DEF_CLONE_CMD(name, param, func) \
  79         { name, param, { .c_func = func }, 1, NULL }
  80 #define DEF_CLONE_CMD_ARG(name, func)   \
  81         { name, NEXTARG, { .c_func = func }, 1, NULL }
  82
  83
  84 struct rt_addrinfo;
  85 struct addrinfo;
  86
  87 enum {
  88         RIDADDR,
  89         ADDR,
  90         MASK,
  91         DSTADDR,
  92 };
  93
  94 struct afswtch {
  95         const char      *af_name;       /* as given on cmd line, e.g. "inet" */
  96         short           af_af;          /* AF_* */
  97         /*
  98          * Status is handled one of two ways; if there is an
  99          * address associated with the interface then the
 100          * associated address family af_status method is invoked
 101          * with the appropriate addressin info.  Otherwise, if
 102          * all possible info is to be displayed and af_other_status
 103          * is defined then it is invoked after all address status
 104          * is presented.
 105          */
 106         void            (*af_status)(int, const struct rt_addrinfo *);
 107         void            (*af_other_status)(int);
 108                                         /* parse address method */
 109         void            (*af_getaddr)(const char *, int);
 110                                         /* parse prefix method (IPv6) */
 111         void            (*af_getprefix)(const char *, int);
 112         void            (*af_postproc)(int s, const struct afswtch *);
 113         u_long          af_difaddr;     /* set dst if address ioctl */
 114         u_long          af_aifaddr;     /* set if address ioctl */
 115         void            *af_ridreq;     /* */
 116         void            *af_addreq;     /* */
 117         struct afswtch  *af_next;
 118
 119         /* XXX doesn't fit model */
 120         void            (*af_status_tunnel)(int);
 121         void            (*af_settunnel)(int s, struct addrinfo *srcres,
 122                                 struct addrinfo *dstres);
 123 };
 124 void    af_register(struct afswtch *);
 125
 126 struct option {
 127         const char *opt;
 128         const char *opt_usage;
 129         void    (*cb)(const char *arg);
 130         struct option *next;
 131 };
 132 void    opt_register(struct option *);
 133
 134 extern  struct ifreq ifr;
 135 extern  char name[IFNAMSIZ];    /* name of interface */
 136 extern  int supmedia;
 137 extern  int printkeys;
 138 extern  int printname;
 139 extern  int flags;
 140 extern  int newaddr;
 141 extern  int verbose;
 142
 143 void    setifcap(const char *, int value, int s, const struct afswtch *);
 144
 145 void    Perror(const char *cmd) __dead2;
 146 void    printb(const char *s, unsigned value, const char *bits);
 147
 148 void    ifmaybeload(const char *);
 149
 150 typedef void clone_callback_func(int, struct ifreq *);
 151 void    clone_setdefcallback(const char *, clone_callback_func *);
 152
 153 /*
 154  * XXX expose this so modules that neeed to know of any pending
 155  * operations on ifmedia can avoid cmd line ordering confusion.
 156  */
 157 struct ifmediareq *ifmedia_getstate(int s);