| | 1 | /* |
| | 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * The contents of this file constitute Original Code as defined in and |
| | 7 | * are subject to the Apple Public Source License Version 1.1 (the |
| | 8 | * "License"). You may not use this file except in compliance with the |
| | 9 | * License. Please obtain a copy of the License at |
| | 10 | * http://www.apple.com/publicsource and read it before using this file. |
| | 11 | * |
| | 12 | * This Original Code and all software distributed under the License are |
| | 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the |
| | 17 | * License for the specific language governing rights and limitations |
| | 18 | * under the License. |
| | 19 | * |
| | 20 | * @APPLE_LICENSE_HEADER_END@ |
| | 21 | */ |
| | 22 | /* |
| | 23 | * Copyright 1998 Massachusetts Institute of Technology |
| | 24 | * |
| | 25 | * Permission to use, copy, modify, and distribute this software and |
| | 26 | * its documentation for any purpose and without fee is hereby |
| | 27 | * granted, provided that both the above copyright notice and this |
| | 28 | * permission notice appear in all copies, that both the above |
| | 29 | * copyright notice and this permission notice appear in all |
| | 30 | * supporting documentation, and that the name of M.I.T. not be used |
| | 31 | * in advertising or publicity pertaining to distribution of the |
| | 32 | * software without specific, written prior permission. M.I.T. makes |
| | 33 | * no representations about the suitability of this software for any |
| | 34 | * purpose. It is provided "as is" without express or implied |
| | 35 | * warranty. |
| | 36 | * |
| | 37 | * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS |
| | 38 | * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| | 39 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| | 40 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT |
| | 41 | * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| | 42 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| | 43 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| | 44 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| | 45 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| | 46 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| | 47 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 48 | * SUCH DAMAGE. |
| | 49 | * |
| | 50 | */ |
| | 51 | |
| | 52 | #ifndef _NET_IF_VLAN_VAR_H_ |
| | 53 | #define _NET_IF_VLAN_VAR_H_ 1 |
| | 54 | |
| | 55 | #ifdef KERNEL |
| | 56 | struct ifvlan { |
| | 57 | struct arpcom ifv_ac; /* make this an interface */ |
| | 58 | struct ifnet *ifv_p; /* parent inteface of this vlan */ |
| | 59 | struct ifv_linkmib { |
| | 60 | int ifvm_parent; |
| | 61 | u_int16_t ifvm_proto; /* encapsulation ethertype */ |
| | 62 | u_int16_t ifvm_tag; /* tag to apply on packets leaving if */ |
| | 63 | } ifv_mib; |
| | 64 | }; |
| | 65 | #define ifv_if ifv_ac.ac_if |
| | 66 | #define ifv_tag ifv_mib.ifvm_tag |
| | 67 | #endif /* KERNEL */ |
| | 68 | |
| | 69 | struct ether_vlan_header { |
| | 70 | u_char evl_dhost[ETHER_ADDR_LEN]; |
| | 71 | u_char evl_shost[ETHER_ADDR_LEN]; |
| | 72 | u_int16_t evl_encap_proto; |
| | 73 | u_int16_t evl_tag; |
| | 74 | u_int16_t evl_proto; |
| | 75 | }; |
| | 76 | |
| | 77 | #define EVL_VLANOFTAG(tag) ((tag) & 4095) |
| | 78 | #define EVL_PRIOFTAG(tag) (((tag) >> 13) & 7) |
| | 79 | #define EVL_ENCAPLEN 4 /* length in octets of encapsulation */ |
| | 80 | |
| | 81 | /* When these sorts of interfaces get their own identifier... */ |
| | 82 | #define IFT_8021_VLAN IFT_PROPVIRTUAL |
| | 83 | |
| | 84 | /* sysctl(3) tags, for compatibility purposes */ |
| | 85 | #define VLANCTL_PROTO 1 |
| | 86 | #define VLANCTL_MAX 2 |
| | 87 | |
| | 88 | /* |
| | 89 | * Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls. |
| | 90 | */ |
| | 91 | struct vlanreq { |
| | 92 | char vlr_parent[IFNAMSIZ]; |
| | 93 | u_short vlr_tag; |
| | 94 | }; |
| | 95 | #define SIOCSETVLAN SIOCSIFGENERIC |
| | 96 | #define SIOCGETVLAN SIOCGIFGENERIC |
| | 97 | |
| | 98 | #ifdef KERNEL |
| | 99 | /* shared with if_ethersubr.c: */ |
| | 100 | extern u_int vlan_proto; |
| | 101 | extern int vlan_input(struct ether_header *eh, struct mbuf *m); |
| | 102 | #endif |
| | 103 | |
| | 104 | #endif /* _NET_IF_VLAN_VAR_H_ */ |
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