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//==========================================================================
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//
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// include/net/if_bridge.h
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//
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//
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//
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//==========================================================================
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//####BSDCOPYRIGHTBEGIN####
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//
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// -------------------------------------------
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//
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// Portions of this software may have been derived from OpenBSD or other sources,
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// and are covered by the appropriate copyright disclaimers included herein.
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//
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// -------------------------------------------
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//
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//####BSDCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): Jason L. Wright (jason@thought.net)
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// Contributors: andrew.lunn@ascom.ch (Andrew Lunn), hmt
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// Date: 2000-07-18
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// Purpose: Ethernet bridge
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// Description:
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//
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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/* $OpenBSD: if_bridge.h,v 1.12 2000/01/25 22:06:27 jason Exp $ */
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/*
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* Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Jason L. Wright
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Bridge control request: add/delete member interfaces.
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*/
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struct ifbreq {
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char ifbr_name[IFNAMSIZ]; /* bridge ifs name */
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char ifbr_ifsname[IFNAMSIZ]; /* member ifs name */
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u_int32_t ifbr_ifsflags; /* member ifs flags */
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};
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/* SIOCBRDGIFFLGS, SIOCBRDGIFFLGS */
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#define IFBIF_LEARNING 0x1 /* ifs can learn */
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#define IFBIF_DISCOVER 0x2 /* ifs sends packets w/unknown dest */
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#define IFBIF_BLOCKNONIP 0x04 /* ifs blocks non-IP/ARP traffic in/out */
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/* SIOCBRDGFLUSH */
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#define IFBF_FLUSHDYN 0x0 /* flush dynamic addresses only */
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#define IFBF_FLUSHALL 0x1 /* flush all addresses from cache */
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/*
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* Interface list structure
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*/
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struct ifbifconf {
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char ifbic_name[IFNAMSIZ]; /* bridge ifs name */
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u_int32_t ifbic_len; /* buffer size */
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union {
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caddr_t ifbicu_buf;
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struct ifbreq *ifbicu_req;
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} ifbic_ifbicu;
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#define ifbic_buf ifbic_ifbicu.ifbicu_buf
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#define ifbic_req ifbic_ifbicu.ifbicu_req
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};
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/*
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* Bridge address request
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*/
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struct ifbareq {
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char ifba_name[IFNAMSIZ]; /* bridge name */
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char ifba_ifsname[IFNAMSIZ]; /* destination ifs */
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u_int8_t ifba_age; /* address age */
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u_int8_t ifba_flags; /* address flags */
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struct ether_addr ifba_dst; /* destination addr */
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};
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#define IFBAF_TYPEMASK 0x03 /* address type mask */
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#define IFBAF_DYNAMIC 0x00 /* dynamically learned */
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#define IFBAF_STATIC 0x01 /* static address */
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struct ifbaconf {
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char ifbac_name[IFNAMSIZ]; /* bridge ifs name */
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u_int32_t ifbac_len; /* buffer size */
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union {
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caddr_t ifbacu_buf; /* buffer */
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struct ifbareq *ifbacu_req; /* request pointer */
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} ifbac_ifbacu;
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#define ifbac_buf ifbac_ifbacu.ifbacu_buf
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#define ifbac_req ifbac_ifbacu.ifbacu_req
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};
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/*
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* Bridge cache size get/set
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*/
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struct ifbcachereq {
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char ifbc_name[IFNAMSIZ]; /* bridge ifs name */
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u_int32_t ifbc_size; /* cache size */
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};
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/*
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* Bridge cache timeout get/set
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*/
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struct ifbcachetoreq {
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char ifbct_name[IFNAMSIZ]; /* bridge ifs name */
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u_int32_t ifbct_time; /* cache time (sec) */
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};
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/*
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* Bridge mac rules
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*/
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struct ifbrlreq {
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char ifbr_name[IFNAMSIZ]; /* bridge ifs name */
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char ifbr_ifsname[IFNAMSIZ]; /* member ifs name */
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u_int8_t ifbr_action; /* disposition */
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u_int8_t ifbr_flags; /* flags */
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struct ether_addr ifbr_src; /* source mac */
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struct ether_addr ifbr_dst; /* destination mac */
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};
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#define BRL_ACTION_BLOCK 0x01 /* block frame */
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#define BRL_ACTION_PASS 0x02 /* pass frame */
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#define BRL_FLAG_IN 0x08 /* input rule */
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#define BRL_FLAG_OUT 0x04 /* output rule */
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#define BRL_FLAG_SRCVALID 0x02 /* src valid */
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#define BRL_FLAG_DSTVALID 0x01 /* dst valid */
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struct ifbrlconf {
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char ifbrl_name[IFNAMSIZ]; /* bridge ifs name */
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char ifbrl_ifsname[IFNAMSIZ];/* member ifs name */
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u_int32_t ifbrl_len; /* buffer size */
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union {
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caddr_t ifbrlu_buf;
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struct ifbrlreq *ifbrlu_req;
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} ifbrl_ifbrlu;
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#define ifbrl_buf ifbrl_ifbrlu.ifbrlu_buf
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#define ifbrl_req ifbrl_ifbrlu.ifbrlu_req
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};
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#ifdef _KERNEL
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void bridge_ifdetach __P((struct ifnet *));
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struct mbuf *bridge_input __P((struct ifnet *, struct ether_header *,
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struct mbuf *));
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int bridge_output __P((struct ifnet *, struct mbuf *, struct sockaddr *,
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struct rtentry *rt));
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#endif /* _KERNEL */
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