ng_tee.h

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    1 
    2 /*
    3  * ng_tee.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  * $FreeBSD$
   40  * $Whistle: ng_tee.h,v 1.2 1999/01/20 00:22:14 archie Exp $
   41  */
   42 
   43 #ifndef _NETGRAPH_TEE_H_
   44 #define _NETGRAPH_TEE_H_
   45 
   46 /* Node type name and magic cookie */
   47 #define NG_TEE_NODE_TYPE        "tee"
   48 #define NGM_TEE_COOKIE          916107047
   49 
   50 /* Hook names */
   51 #define NG_TEE_HOOK_RIGHT       "right"
   52 #define NG_TEE_HOOK_LEFT        "left"
   53 #define NG_TEE_HOOK_RIGHT2LEFT  "right2left"
   54 #define NG_TEE_HOOK_LEFT2RIGHT  "left2right"
   55 
   56 /* Statistics structure for one hook */
   57 struct ng_tee_hookstat {
   58         u_int64_t       inOctets;
   59         u_int64_t       inFrames;
   60         u_int64_t       outOctets;
   61         u_int64_t       outFrames;
   62 };
   63 
   64 /* Keep this in sync with the above structure definition */
   65 #define NG_TEE_HOOKSTAT_INFO    {                               \
   66         {                                                       \
   67           { "inOctets",         &ng_parse_int64_type    },      \
   68           { "inFrames",         &ng_parse_int64_type    },      \
   69           { "outOctets",        &ng_parse_int64_type    },      \
   70           { "outFrames",        &ng_parse_int64_type    },      \
   71           { NULL },                                             \
   72         }                                                       \
   73 }
   74 
   75 /* Statistics structure returned by NGM_TEE_GET_STATS */
   76 struct ng_tee_stats {
   77         struct ng_tee_hookstat  right;
   78         struct ng_tee_hookstat  left;
   79         struct ng_tee_hookstat  right2left;
   80         struct ng_tee_hookstat  left2right;
   81 };
   82 
   83 /* Keep this in sync with the above structure definition */
   84 #define NG_TEE_STATS_INFO(hstype)       {                       \
   85         {                                                       \
   86           { "right",            (hstype)                },      \
   87           { "left",             (hstype)                },      \
   88           { "right2left",       (hstype)                },      \
   89           { "left2right",       (hstype)                },      \
   90           { NULL },                                             \
   91         }                                                       \
   92 }
   93 
   94 /* Netgraph commands */
   95 enum {
   96         NGM_TEE_GET_STATS = 1,          /* get stats */
   97         NGM_TEE_CLR_STATS,              /* clear stats */
   98 };
   99 
  100 #endif /* _NETGRAPH_TEE_H_ */

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

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