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FreeBSD/Linux Kernel Cross Reference
sys/netgraph/ng_ksocket.h

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    1 /*
    2  * ng_ksocket.h
    3  */
    4 
    5 /*-
    6  * Copyright (c) 1996-1999 Whistle Communications, Inc.
    7  * All rights reserved.
    8  * 
    9  * Subject to the following obligations and disclaimer of warranty, use and
   10  * redistribution of this software, in source or object code forms, with or
   11  * without modifications are expressly permitted by Whistle Communications;
   12  * provided, however, that:
   13  * 1. Any and all reproductions of the source or object code must include the
   14  *    copyright notice above and the following disclaimer of warranties; and
   15  * 2. No rights are granted, in any manner or form, to use Whistle
   16  *    Communications, Inc. trademarks, including the mark "WHISTLE
   17  *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
   18  *    such appears in the above copyright notice or in the software.
   19  * 
   20  * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
   21  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
   22  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
   23  * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
   24  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
   25  * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
   26  * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
   27  * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
   28  * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
   29  * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
   30  * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
   31  * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
   32  * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
   33  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   34  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   35  * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
   36  * OF SUCH DAMAGE.
   37  *
   38  * Author: Archie Cobbs <archie@freebsd.org>
   39  *
   40  * $FreeBSD$
   41  * $Whistle: ng_ksocket.h,v 1.1 1999/11/16 20:04:40 archie Exp $
   42  */
   43 
   44 #ifndef _NETGRAPH_NG_KSOCKET_H_
   45 #define _NETGRAPH_NG_KSOCKET_H_
   46 
   47 #include <sys/socket.h>
   48 
   49 /* Node type name and magic cookie */
   50 #define NG_KSOCKET_NODE_TYPE    "ksocket"
   51 #define NGM_KSOCKET_COOKIE      942710669
   52 
   53 /* For NGM_KSOCKET_SETOPT and NGM_KSOCKET_GETOPT control messages */
   54 struct ng_ksocket_sockopt {
   55         int32_t         level;          /* second arg of [gs]etsockopt() */
   56         int32_t         name;           /* third arg of [gs]etsockopt() */
   57         u_char          value[];        /* fourth arg of [gs]etsockopt() */
   58 };
   59 
   60 /* Max length socket option we can return via NGM_KSOCKET_GETOPT
   61    XXX This should not be necessary, we should dynamically size
   62    XXX the response. Until then.. */
   63 #define NG_KSOCKET_MAX_OPTLEN   1024
   64 
   65 /* Keep this in sync with the above structure definition */
   66 #define NG_KSOCKET_SOCKOPT_INFO(svtype) {                       \
   67           { "level",            &ng_parse_int32_type    },      \
   68           { "name",             &ng_parse_int32_type    },      \
   69           { "value",            (svtype)                },      \
   70           { NULL }                                              \
   71 }
   72 
   73 /* For NGM_KSOCKET_ACCEPT control message responses */
   74 struct ng_ksocket_accept {
   75         u_int32_t       nodeid;         /* node ID of connected ksocket */
   76         struct sockaddr addr;           /* peer's address (variable length) */
   77 };
   78 
   79 /* Keep this in sync with the above structure definition */
   80 #define NGM_KSOCKET_ACCEPT_INFO {                                       \
   81           { "nodeid",           &ng_parse_hint32_type             },    \
   82           { "addr",             &ng_ksocket_generic_sockaddr_type },    \
   83           { NULL }                                                      \
   84 }
   85 
   86 /* Netgraph commands */
   87 enum {
   88         NGM_KSOCKET_BIND = 1,
   89         NGM_KSOCKET_LISTEN,
   90         NGM_KSOCKET_ACCEPT,
   91         NGM_KSOCKET_CONNECT,
   92         NGM_KSOCKET_GETNAME,
   93         NGM_KSOCKET_GETPEERNAME,
   94         NGM_KSOCKET_SETOPT,
   95         NGM_KSOCKET_GETOPT,
   96 };
   97 
   98 #ifdef _KERNEL
   99 
  100 /* Structure for sockaddr tag */
  101 struct sa_tag {
  102         struct m_tag    tag;
  103         ng_ID_t         id;
  104         struct sockaddr sa;
  105 };
  106 
  107 /* Tag information ID's */
  108 #define NG_KSOCKET_TAG_SOCKADDR 1       /* data is struct sockaddr */
  109 
  110 #endif /* _KERNEL */
  111 #endif /* _NETGRAPH_NG_KSOCKET_H_ */

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