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