The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 
    2 /*
    3  * ng_ksocket.h
    4  *
    5  * Copyright (c) 1996-1999 Whistle Communications, Inc.
    6  * All rights reserved.
    7  * 
    8  * Subject to the following obligations and disclaimer of warranty, use and
    9  * redistribution of this software, in source or object code forms, with or
   10  * without modifications are expressly permitted by Whistle Communications;
   11  * provided, however, that:
   12  * 1. Any and all reproductions of the source or object code must include the
   13  *    copyright notice above and the following disclaimer of warranties; and
   14  * 2. No rights are granted, in any manner or form, to use Whistle
   15  *    Communications, Inc. trademarks, including the mark "WHISTLE
   16  *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
   17  *    such appears in the above copyright notice or in the software.
   18  * 
   19  * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
   20  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
   21  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
   22  * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
   23  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
   24  * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
   25  * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
   26  * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
   27  * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
   28  * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
   29  * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
   30  * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
   31  * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
   32  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   33  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   34  * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
   35  * OF SUCH DAMAGE.
   36  *
   37  * Author: Archie Cobbs <archie@freebsd.org>
   38  *
   39  * $FreeBSD: releng/5.2/sys/netgraph/ng_ksocket.h 122481 2003-11-11 12:30:37Z ru $
   40  * $Whistle: ng_ksocket.h,v 1.1 1999/11/16 20:04:40 archie Exp $
   41  */
   42 
   43 #ifndef _NETGRAPH_NG_KSOCKET_H_
   44 #define _NETGRAPH_NG_KSOCKET_H_
   45 
   46 #include <sys/socket.h>
   47 
   48 /* Node type name and magic cookie */
   49 #define NG_KSOCKET_NODE_TYPE    "ksocket"
   50 #define NGM_KSOCKET_COOKIE      942710669
   51 
   52 /* For NGM_KSOCKET_SETOPT and NGM_KSOCKET_GETOPT control messages */
   53 struct ng_ksocket_sockopt {
   54         int32_t         level;          /* second arg of [gs]etsockopt() */
   55         int32_t         name;           /* third arg of [gs]etsockopt() */
   56         u_char          value[0];       /* fourth arg of [gs]etsockopt() */
   57 };
   58 
   59 /* Max length socket option we can return via NGM_KSOCKET_GETOPT
   60    XXX This should not be necessary, we should dynamically size
   61    XXX the response. Until then.. */
   62 #define NG_KSOCKET_MAX_OPTLEN   1024
   63 
   64 /* Keep this in sync with the above structure definition */
   65 #define NG_KSOCKET_SOCKOPT_INFO(svtype) {                       \
   66           { "level",            &ng_parse_int32_type    },      \
   67           { "name",             &ng_parse_int32_type    },      \
   68           { "value",            (svtype)                },      \
   69           { NULL }                                              \
   70 }
   71 
   72 /* For NGM_KSOCKET_ACCEPT control message responses */
   73 struct ng_ksocket_accept {
   74         u_int32_t       nodeid;         /* node ID of connected ksocket */
   75         struct sockaddr addr;           /* peer's address (variable length) */
   76 };
   77 
   78 /* Keep this in sync with the above structure definition */
   79 #define NGM_KSOCKET_ACCEPT_INFO {                                       \
   80           { "nodeid",           &ng_parse_hint32_type             },    \
   81           { "addr",             &ng_ksocket_generic_sockaddr_type },    \
   82           { NULL }                                                      \
   83 }
   84 
   85 /* Netgraph commands */
   86 enum {
   87         NGM_KSOCKET_BIND = 1,
   88         NGM_KSOCKET_LISTEN,
   89         NGM_KSOCKET_ACCEPT,
   90         NGM_KSOCKET_CONNECT,
   91         NGM_KSOCKET_GETNAME,
   92         NGM_KSOCKET_GETPEERNAME,
   93         NGM_KSOCKET_SETOPT,
   94         NGM_KSOCKET_GETOPT,
   95 };
   96 
   97 /* Meta information ID's */
   98 #define NG_KSOCKET_META_SOCKADDR        1       /* data is struct sockaddr */
   99 
  100 #endif /* _NETGRAPH_NG_KSOCKET_H_ */

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