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_vlan.h

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    1 /*-
    2  * Copyright (c) 2003 IPNET Internet Communication Company
    3  * Copyright (c) 2011 - 2012 Rozhuk Ivan <rozhuk.im@gmail.com>
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  * Author: Ruslan Ermilov <ru@FreeBSD.org>
   28  *
   29  * $FreeBSD: releng/11.2/sys/netgraph/ng_vlan.h 232825 2012-03-11 19:08:56Z adrian $
   30  */
   31 
   32 #ifndef _NETGRAPH_NG_VLAN_H_
   33 #define _NETGRAPH_NG_VLAN_H_
   34 
   35 /* Using "vlan" in addfilter and gettable messages. 2012.01 */
   36 #define NG_VLAN_USE_OLD_VLAN_NAME 1
   37 
   38 /* Node type name and magic cookie. */
   39 #define NG_VLAN_NODE_TYPE       "vlan"
   40 #define NGM_VLAN_COOKIE         1068486472
   41 
   42 /* Hook names. */
   43 #define NG_VLAN_HOOK_DOWNSTREAM "downstream"
   44 #define NG_VLAN_HOOK_NOMATCH    "nomatch"
   45 
   46 /* Netgraph commands. */
   47 enum {
   48         NGM_VLAN_ADD_FILTER = 1,
   49         NGM_VLAN_DEL_FILTER,
   50         NGM_VLAN_GET_TABLE,
   51         NGM_VLAN_DEL_VID_FLT,
   52         NGM_VLAN_GET_DECAP,
   53         NGM_VLAN_SET_DECAP,
   54         NGM_VLAN_GET_ENCAP,
   55         NGM_VLAN_SET_ENCAP,
   56         NGM_VLAN_GET_ENCAP_PROTO,
   57         NGM_VLAN_SET_ENCAP_PROTO,
   58 };
   59 
   60 #define VLAN_ENCAP_FROM_FILTER  0x00000001
   61 #define VLAN_ENCAP_FROM_NOMATCH 0x00000002
   62 
   63 /* For NGM_VLAN_ADD_FILTER control message. */
   64 struct ng_vlan_filter {
   65         char            hook_name[NG_HOOKSIZ];
   66 #ifdef  NG_VLAN_USE_OLD_VLAN_NAME
   67         uint16_t        vlan;   /* VLAN - same as vid, oldname, deprecated. */
   68 #endif
   69         uint16_t        vid;    /* VID - VLAN Identifier. */
   70         uint8_t         pcp;    /* PCP - Priority Code Point. */
   71         uint8_t         cfi;    /* CFI - Canonical Format Indicator. */
   72 };
   73 
   74 /* Keep this in sync with the above structure definition.  */
   75 #ifdef  NG_VLAN_USE_OLD_VLAN_NAME
   76 #define NG_VLAN_FILTER_FIELDS   {                               \
   77         { "hook",       &ng_parse_hookbuf_type  },              \
   78         { "vlan",       &ng_parse_uint16_type   },              \
   79         { "vid",        &ng_parse_uint16_type   },              \
   80         { "pcp",        &ng_parse_uint8_type    },              \
   81         { "cfi",        &ng_parse_uint8_type    },              \
   82         { NULL }                                                \
   83 }
   84 #else
   85 #define NG_VLAN_FILTER_FIELDS   {                               \
   86         { "hook",       &ng_parse_hookbuf_type  },              \
   87         { "vid",        &ng_parse_uint16_type   },              \
   88         { "pcp",        &ng_parse_uint8_type    },              \
   89         { "cfi",        &ng_parse_uint8_type    },              \
   90         { NULL }                                                \
   91 }
   92 #endif
   93 
   94 
   95 /* Structure returned by NGM_VLAN_GET_TABLE. */
   96 struct ng_vlan_table {
   97         u_int32_t       n;
   98         struct ng_vlan_filter filter[];
   99 };
  100 
  101 /* Keep this in sync with the above structure definition. */
  102 #define NG_VLAN_TABLE_FIELDS    {                               \
  103         { "n",          &ng_parse_uint32_type },                \
  104         { "filter",     &ng_vlan_table_array_type },            \
  105         { NULL }                                                \
  106 }
  107 
  108 #endif /* _NETGRAPH_NG_VLAN_H_ */

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