[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/net/if_clone.h

Version: -  FREEBSD  -  FREEBSD10  -  FREEBSD9  -  FREEBSD92  -  FREEBSD91  -  FREEBSD90  -  FREEBSD8  -  FREEBSD82  -  FREEBSD81  -  FREEBSD80  -  FREEBSD7  -  FREEBSD74  -  FREEBSD73  -  FREEBSD72  -  FREEBSD71  -  FREEBSD70  -  FREEBSD6  -  FREEBSD64  -  FREEBSD63  -  FREEBSD62  -  FREEBSD61  -  FREEBSD60  -  FREEBSD5  -  FREEBSD55  -  FREEBSD54  -  FREEBSD53  -  FREEBSD52  -  FREEBSD51  -  FREEBSD50  -  FREEBSD4  -  FREEBSD3  -  FREEBSD22  -  cheribsd  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1  -  FREEBSD-LIBC  -  FREEBSD8-LIBC  -  FREEBSD7-LIBC  -  FREEBSD6-LIBC  -  GLIBC27 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) 1982, 1986, 1989, 1993
    3  *      The Regents of the University of California.  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  * 4. Neither the name of the University nor the names of its contributors
   14  *    may be used to endorse or promote products derived from this software
   15  *    without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  *      From: @(#)if.h  8.1 (Berkeley) 6/10/93
   30  * $FreeBSD: releng/8.1/sys/net/if_clone.h 195837 2009-07-23 20:46:49Z rwatson $
   31  */
   32 
   33 #ifndef _NET_IF_CLONE_H_
   34 #define _NET_IF_CLONE_H_
   35 
   36 #ifdef _KERNEL
   37 
   38 #define IFC_CLONE_INITIALIZER(name, data, maxunit,                      \
   39     attach, match, create, destroy)                                     \
   40     { { 0 }, name, maxunit, NULL, 0, data, attach, match, create, destroy }
   41 
   42 /*
   43  * Structure describing a `cloning' interface.
   44  *
   45  * List of locks
   46  * (c)          const until freeing
   47  * (d)          driver specific data, may need external protection.
   48  * (e)          locked by if_cloners_mtx
   49  * (i)          locked by ifc_mtx mtx
   50  */
   51 struct if_clone {
   52         LIST_ENTRY(if_clone) ifc_list;  /* (e) On list of cloners */
   53         const char *ifc_name;           /* (c) Name of device, e.g. `gif' */
   54         int ifc_maxunit;                /* (c) Maximum unit number */
   55         unsigned char *ifc_units;       /* (i) Bitmap to handle units. */
   56                                         /*     Considered private, access */
   57                                         /*     via ifc_(alloc|free)_unit(). */
   58         int ifc_bmlen;                  /* (c) Bitmap length. */
   59         void *ifc_data;                 /* (*) Data for ifc_* functions. */
   60 
   61         /* (c) Driver specific cloning functions.  Called with no locks held. */
   62         void    (*ifc_attach)(struct if_clone *);
   63         int     (*ifc_match)(struct if_clone *, const char *);
   64         int     (*ifc_create)(struct if_clone *, char *, size_t, caddr_t);
   65         int     (*ifc_destroy)(struct if_clone *, struct ifnet *);
   66 
   67         long ifc_refcnt;                /* (i) Refrence count. */
   68         struct mtx ifc_mtx;             /* Muted to protect members. */
   69         LIST_HEAD(, ifnet) ifc_iflist;  /* (i) List of cloned interfaces */
   70 };
   71 
   72 void    if_clone_init(void);
   73 void    if_clone_attach(struct if_clone *);
   74 void    if_clone_detach(struct if_clone *);
   75 void    vnet_if_clone_init(void);
   76 
   77 int     if_clone_create(char *, size_t, caddr_t);
   78 int     if_clone_destroy(const char *);
   79 int     if_clone_destroyif(struct if_clone *, struct ifnet *);
   80 int     if_clone_list(struct if_clonereq *);
   81 
   82 int     ifc_name2unit(const char *name, int *unit);
   83 int     ifc_alloc_unit(struct if_clone *, int *);
   84 void    ifc_free_unit(struct if_clone *, int);
   85 
   86 /*
   87  * The ifc_simple functions, structures, and macros implement basic
   88  * cloning as in 5.[012].
   89  */
   90 
   91 struct ifc_simple_data {
   92         int ifcs_minifs;                /* minimum number of interfaces */
   93 
   94         int     (*ifcs_create)(struct if_clone *, int, caddr_t);
   95         void    (*ifcs_destroy)(struct ifnet *);
   96 };
   97 
   98 /* interface clone event */
   99 typedef void (*if_clone_event_handler_t)(void *, struct if_clone *);
  100 EVENTHANDLER_DECLARE(if_clone_event, if_clone_event_handler_t);
  101 
  102 #define IFC_SIMPLE_DECLARE(name, minifs)                                \
  103 struct ifc_simple_data name##_cloner_data =                             \
  104     {minifs, name##_clone_create, name##_clone_destroy};                \
  105 struct if_clone name##_cloner =                                         \
  106     IFC_CLONE_INITIALIZER(#name, &name##_cloner_data, IF_MAXUNIT,       \
  107     ifc_simple_attach, ifc_simple_match, ifc_simple_create, ifc_simple_destroy)
  108 
  109 void    ifc_simple_attach(struct if_clone *);
  110 int     ifc_simple_match(struct if_clone *, const char *);
  111 int     ifc_simple_create(struct if_clone *, char *, size_t, caddr_t);
  112 int     ifc_simple_destroy(struct if_clone *, struct ifnet *);
  113 
  114 #endif /* _KERNEL */
  115 
  116 #endif /* !_NET_IF_CLONE_H_ */

Cache object: 2c64244fc5869c905206ebe1c6cf339e


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.