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  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2003 IPNET Internet Communication Company
    5  * Copyright (c) 2011 - 2012 Rozhuk Ivan <rozhuk.im@gmail.com>
    6  * All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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  * Author: Ruslan Ermilov <ru@FreeBSD.org>
   30  *
   31  * $FreeBSD: releng/12.0/sys/netgraph/ng_vlan.h 326272 2017-11-27 15:23:17Z pfg $
   32  */
   33 
   34 #ifndef _NETGRAPH_NG_VLAN_H_
   35 #define _NETGRAPH_NG_VLAN_H_
   36 
   37 /* Using "vlan" in addfilter and gettable messages. 2012.01 */
   38 #define NG_VLAN_USE_OLD_VLAN_NAME 1
   39 
   40 /* Node type name and magic cookie. */
   41 #define NG_VLAN_NODE_TYPE       "vlan"
   42 #define NGM_VLAN_COOKIE         1068486472
   43 
   44 /* Hook names. */
   45 #define NG_VLAN_HOOK_DOWNSTREAM "downstream"
   46 #define NG_VLAN_HOOK_NOMATCH    "nomatch"
   47 
   48 /* Netgraph commands. */
   49 enum {
   50         NGM_VLAN_ADD_FILTER = 1,
   51         NGM_VLAN_DEL_FILTER,
   52         NGM_VLAN_GET_TABLE,
   53         NGM_VLAN_DEL_VID_FLT,
   54         NGM_VLAN_GET_DECAP,
   55         NGM_VLAN_SET_DECAP,
   56         NGM_VLAN_GET_ENCAP,
   57         NGM_VLAN_SET_ENCAP,
   58         NGM_VLAN_GET_ENCAP_PROTO,
   59         NGM_VLAN_SET_ENCAP_PROTO,
   60 };
   61 
   62 #define VLAN_ENCAP_FROM_FILTER  0x00000001
   63 #define VLAN_ENCAP_FROM_NOMATCH 0x00000002
   64 
   65 /* For NGM_VLAN_ADD_FILTER control message. */
   66 struct ng_vlan_filter {
   67         char            hook_name[NG_HOOKSIZ];
   68 #ifdef  NG_VLAN_USE_OLD_VLAN_NAME
   69         uint16_t        vlan;   /* VLAN - same as vid, oldname, deprecated. */
   70 #endif
   71         uint16_t        vid;    /* VID - VLAN Identifier. */
   72         uint8_t         pcp;    /* PCP - Priority Code Point. */
   73         uint8_t         cfi;    /* CFI - Canonical Format Indicator. */
   74 };
   75 
   76 /* Keep this in sync with the above structure definition.  */
   77 #ifdef  NG_VLAN_USE_OLD_VLAN_NAME
   78 #define NG_VLAN_FILTER_FIELDS   {                               \
   79         { "hook",       &ng_parse_hookbuf_type  },              \
   80         { "vlan",       &ng_parse_uint16_type   },              \
   81         { "vid",        &ng_parse_uint16_type   },              \
   82         { "pcp",        &ng_parse_uint8_type    },              \
   83         { "cfi",        &ng_parse_uint8_type    },              \
   84         { NULL }                                                \
   85 }
   86 #else
   87 #define NG_VLAN_FILTER_FIELDS   {                               \
   88         { "hook",       &ng_parse_hookbuf_type  },              \
   89         { "vid",        &ng_parse_uint16_type   },              \
   90         { "pcp",        &ng_parse_uint8_type    },              \
   91         { "cfi",        &ng_parse_uint8_type    },              \
   92         { NULL }                                                \
   93 }
   94 #endif
   95 
   96 
   97 /* Structure returned by NGM_VLAN_GET_TABLE. */
   98 struct ng_vlan_table {
   99         u_int32_t       n;
  100         struct ng_vlan_filter filter[];
  101 };
  102 
  103 /* Keep this in sync with the above structure definition. */
  104 #define NG_VLAN_TABLE_FIELDS    {                               \
  105         { "n",          &ng_parse_uint32_type },                \
  106         { "filter",     &ng_vlan_table_array_type },            \
  107         { NULL }                                                \
  108 }
  109 
  110 #endif /* _NETGRAPH_NG_VLAN_H_ */

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