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Diffstat (limited to 'sys/net/if_bridgevar.h')
| -rw-r--r-- | sys/net/if_bridgevar.h | 377 |
1 files changed, 377 insertions, 0 deletions
diff --git a/sys/net/if_bridgevar.h b/sys/net/if_bridgevar.h new file mode 100644 index 000000000000..5ed8c19f3128 --- /dev/null +++ b/sys/net/if_bridgevar.h @@ -0,0 +1,377 @@ +/* $NetBSD: if_bridgevar.h,v 1.4 2003/07/08 07:13:50 itojun Exp $ */ + +/* + * SPDX-License-Identifier: BSD-4-Clause + * + * Copyright 2001 Wasabi Systems, Inc. + * All rights reserved. + * + * Written by Jason R. Thorpe for Wasabi Systems, Inc. + * + * 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 for the NetBSD Project by + * Wasabi Systems, Inc. + * 4. The name of Wasabi Systems, Inc. may not be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC + * 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. + */ + +/* + * 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. + * + * OpenBSD: if_bridge.h,v 1.14 2001/03/22 03:48:29 jason Exp + */ + +/* + * Data structure and control definitions for bridge interfaces. + */ + +#ifndef _NET_IF_BRIDGEVAR_H_ +#define _NET_IF_BRIDGEVAR_H_ + +#include <sys/types.h> +#include <sys/_bitset.h> +#include <sys/bitset.h> +#include <sys/callout.h> +#include <sys/queue.h> +#include <sys/condvar.h> + +#include <net/ethernet.h> +#include <net/if.h> + +/* + * Commands used in the SIOCSDRVSPEC ioctl. Note the lookup of the + * bridge interface itself is keyed off the ifdrv structure. + */ +#define BRDGADD 0 /* add bridge member (ifbreq) */ +#define BRDGDEL 1 /* delete bridge member (ifbreq) */ +#define BRDGGIFFLGS 2 /* get member if flags (ifbreq) */ +#define BRDGSIFFLGS 3 /* set member if flags (ifbreq) */ +#define BRDGSCACHE 4 /* set cache size (ifbrparam) */ +#define BRDGGCACHE 5 /* get cache size (ifbrparam) */ +#define BRDGGIFS 6 /* get member list (ifbifconf) */ +#define BRDGRTS 7 /* get address list (ifbaconf) */ +#define BRDGSADDR 8 /* set static address (ifbareq) */ +#define BRDGSTO 9 /* set cache timeout (ifbrparam) */ +#define BRDGGTO 10 /* get cache timeout (ifbrparam) */ +#define BRDGDADDR 11 /* delete address (ifbareq) */ +#define BRDGFLUSH 12 /* flush address cache (ifbreq) */ + +#define BRDGGPRI 13 /* get priority (ifbrparam) */ +#define BRDGSPRI 14 /* set priority (ifbrparam) */ +#define BRDGGHT 15 /* get hello time (ifbrparam) */ +#define BRDGSHT 16 /* set hello time (ifbrparam) */ +#define BRDGGFD 17 /* get forward delay (ifbrparam) */ +#define BRDGSFD 18 /* set forward delay (ifbrparam) */ +#define BRDGGMA 19 /* get max age (ifbrparam) */ +#define BRDGSMA 20 /* set max age (ifbrparam) */ +#define BRDGSIFPRIO 21 /* set if priority (ifbreq) */ +#define BRDGSIFCOST 22 /* set if path cost (ifbreq) */ +#define BRDGADDS 23 /* add bridge span member (ifbreq) */ +#define BRDGDELS 24 /* delete bridge span member (ifbreq) */ +#define BRDGPARAM 25 /* get bridge STP params (ifbropreq) */ +#define BRDGGRTE 26 /* get cache drops (ifbrparam) */ +#define BRDGGIFSSTP 27 /* get member STP params list + * (ifbpstpconf) */ +#define BRDGSPROTO 28 /* set protocol (ifbrparam) */ +#define BRDGSTXHC 29 /* set tx hold count (ifbrparam) */ +#define BRDGSIFAMAX 30 /* set max interface addrs (ifbreq) */ +#define BRDGSIFPVID 31 /* set if PVID */ +#define BRDGSIFVLANSET 32 /* set if vlan set */ +#define BRDGGIFVLANSET 33 /* get if vlan set */ +#define BRDGGFLAGS 34 /* get bridge flags (ifbrparam) */ +#define BRDGSFLAGS 35 /* set bridge flags (ifbrparam) */ +#define BRDGGDEFPVID 36 /* get default pvid (ifbrparam) */ +#define BRDGSDEFPVID 37 /* set default pvid (ifbrparam) */ +#define BRDGSIFVLANPROTO 38 /* set if vlan protocol (ifbreq) */ + +/* BRDGSFLAGS, Bridge flags (non-interface-specific) */ +typedef uint32_t ifbr_flags_t; + +#define IFBRF_VLANFILTER (1U<<0) /* VLAN filtering enabled */ +#define IFBRF_DEFQINQ (1U<<1) /* 802.1ad Q-in-Q allowed by default */ + +#define IFBRFBITS "\020\01VLANFILTER\02DEFQINQ" + +/* + * Generic bridge control request. + */ +struct ifbreq { + char ifbr_ifsname[IFNAMSIZ]; /* member if name */ + uint32_t ifbr_ifsflags; /* member if flags */ + uint32_t ifbr_stpflags; /* member if STP flags */ + uint32_t ifbr_path_cost; /* member if STP cost */ + uint8_t ifbr_portno; /* member if port number */ + uint8_t ifbr_priority; /* member if STP priority */ + uint8_t ifbr_proto; /* member if STP protocol */ + uint8_t ifbr_role; /* member if STP role */ + uint8_t ifbr_state; /* member if STP state */ + uint32_t ifbr_addrcnt; /* member if addr number */ + uint32_t ifbr_addrmax; /* member if addr max */ + uint32_t ifbr_addrexceeded; /* member if addr violations */ + ether_vlanid_t ifbr_pvid; /* member if PVID */ + uint16_t ifbr_vlanproto; /* member if VLAN protocol */ + uint8_t pad[28]; +}; + +/* BRDGGIFFLAGS, BRDGSIFFLAGS */ +#define IFBIF_LEARNING 0x0001 /* if can learn */ +#define IFBIF_DISCOVER 0x0002 /* if sends packets w/ unknown dest. */ +#define IFBIF_STP 0x0004 /* if participates in spanning tree */ +#define IFBIF_SPAN 0x0008 /* if is a span port */ +#define IFBIF_STICKY 0x0010 /* if learned addresses stick */ +#define IFBIF_BSTP_EDGE 0x0020 /* member stp edge port */ +#define IFBIF_BSTP_AUTOEDGE 0x0040 /* member stp autoedge enabled */ +#define IFBIF_BSTP_PTP 0x0080 /* member stp point to point */ +#define IFBIF_BSTP_AUTOPTP 0x0100 /* member stp autoptp enabled */ +#define IFBIF_BSTP_ADMEDGE 0x0200 /* member stp admin edge enabled */ +#define IFBIF_BSTP_ADMCOST 0x0400 /* member stp admin path cost */ +#define IFBIF_PRIVATE 0x0800 /* if is a private segment */ +#define IFBIF_QINQ 0x1000 /* if allows 802.1ad Q-in-Q */ + +#define IFBIFBITS "\020\001LEARNING\002DISCOVER\003STP\004SPAN" \ + "\005STICKY\014PRIVATE\006EDGE\007AUTOEDGE\010PTP" \ + "\011AUTOPTP\015QINQ" +#define IFBIFMASK ~(IFBIF_BSTP_EDGE|IFBIF_BSTP_AUTOEDGE|IFBIF_BSTP_PTP| \ + IFBIF_BSTP_AUTOPTP|IFBIF_BSTP_ADMEDGE| \ + IFBIF_BSTP_ADMCOST) /* not saved */ + +/* BRDGFLUSH */ +#define IFBF_FLUSHDYN 0x00 /* flush learned addresses only */ +#define IFBF_FLUSHALL 0x01 /* flush all addresses */ + +/* + * Interface list structure. + */ +struct ifbifconf { + uint32_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_ifsname[IFNAMSIZ]; /* member if name */ + unsigned long ifba_expire; /* address expire time */ + uint8_t ifba_flags; /* address flags */ + uint8_t ifba_dst[ETHER_ADDR_LEN];/* destination address */ + ether_vlanid_t ifba_vlan; /* vlan id */ +}; + +#define IFBAF_TYPEMASK 0x03 /* address type mask */ +#define IFBAF_DYNAMIC 0x00 /* dynamically learned address */ +#define IFBAF_STATIC 0x01 /* static address */ +#define IFBAF_STICKY 0x02 /* sticky address */ + +#define IFBAFBITS "\020\1STATIC\2STICKY" + +/* + * Address list structure. + */ +struct ifbaconf { + uint32_t ifbac_len; /* buffer size */ + union { + caddr_t ifbacu_buf; + struct ifbareq *ifbacu_req; + } ifbac_ifbacu; +#define ifbac_buf ifbac_ifbacu.ifbacu_buf +#define ifbac_req ifbac_ifbacu.ifbacu_req +}; + +/* + * Bridge parameter structure. + */ +struct ifbrparam { + union { + uint32_t ifbrpu_int32; + uint16_t ifbrpu_int16; + uint8_t ifbrpu_int8; + } ifbrp_ifbrpu; +}; +#define ifbrp_csize ifbrp_ifbrpu.ifbrpu_int32 /* cache size */ +#define ifbrp_ctime ifbrp_ifbrpu.ifbrpu_int32 /* cache time (sec) */ +#define ifbrp_prio ifbrp_ifbrpu.ifbrpu_int16 /* bridge priority */ +#define ifbrp_proto ifbrp_ifbrpu.ifbrpu_int8 /* bridge protocol */ +#define ifbrp_txhc ifbrp_ifbrpu.ifbrpu_int8 /* bpdu tx holdcount */ +#define ifbrp_hellotime ifbrp_ifbrpu.ifbrpu_int8 /* hello time (sec) */ +#define ifbrp_fwddelay ifbrp_ifbrpu.ifbrpu_int8 /* fwd time (sec) */ +#define ifbrp_maxage ifbrp_ifbrpu.ifbrpu_int8 /* max age (sec) */ +#define ifbrp_cexceeded ifbrp_ifbrpu.ifbrpu_int32 /* # of cache dropped + * addresses */ +#define ifbrp_flags ifbrp_ifbrpu.ifbrpu_int32 /* bridge flags */ +#define ifbrp_defpvid ifbrp_ifbrpu.ifbrpu_int16 /* default pvid */ +#define ifbrp_vlanproto ifbrp_ifbrpu.ifbrpu_int8 /* vlan protocol */ + +/* + * Bridge current operational parameters structure. + */ +struct ifbropreq { + uint8_t ifbop_holdcount; + uint8_t ifbop_maxage; + uint8_t ifbop_hellotime; + uint8_t ifbop_fwddelay; + uint8_t ifbop_protocol; + uint16_t ifbop_priority; + uint16_t ifbop_root_port; + uint32_t ifbop_root_path_cost; + uint64_t ifbop_bridgeid; + uint64_t ifbop_designated_root; + uint64_t ifbop_designated_bridge; + struct timeval ifbop_last_tc_time; +}; + +/* + * Bridge member operational STP params structure. + */ +struct ifbpstpreq { + uint8_t ifbp_portno; /* bp STP port number */ + uint32_t ifbp_fwd_trans; /* bp STP fwd transitions */ + uint32_t ifbp_design_cost; /* bp STP designated cost */ + uint32_t ifbp_design_port; /* bp STP designated port */ + uint64_t ifbp_design_bridge; /* bp STP designated bridge */ + uint64_t ifbp_design_root; /* bp STP designated root */ +}; + +/* + * Bridge STP ports list structure. + */ +struct ifbpstpconf { + uint32_t ifbpstp_len; /* buffer size */ + union { + caddr_t ifbpstpu_buf; + struct ifbpstpreq *ifbpstpu_req; + } ifbpstp_ifbpstpu; +#define ifbpstp_buf ifbpstp_ifbpstpu.ifbpstpu_buf +#define ifbpstp_req ifbpstp_ifbpstpu.ifbpstpu_req +}; + +#define STP_STATES \ + "disabled", \ + "listening", \ + "learning", \ + "forwarding", \ + "blocking", \ + "discarding" + +#define STP_PROTOS \ + "stp", \ + "-", \ + "rstp" + +#define STP_ROLES \ + "disabled", \ + "root", \ + "designated", \ + "alternate", \ + "backup" + +#define PV2ID(pv, epri, eaddr) do { \ + epri = pv >> 48; \ + eaddr[0] = pv >> 40; \ + eaddr[1] = pv >> 32; \ + eaddr[2] = pv >> 24; \ + eaddr[3] = pv >> 16; \ + eaddr[4] = pv >> 8; \ + eaddr[5] = pv >> 0; \ +} while (0) + +/* + * Bridge VLAN access request. + */ +#define BRVLAN_SETSIZE 4096 +typedef __BITSET_DEFINE(ifbvlan_set, BRVLAN_SETSIZE) ifbvlan_set_t; + +#define BRVLAN_SET(set, bit) __BIT_SET(BRVLAN_SETSIZE, (bit), set) +#define BRVLAN_CLR(set, bit) __BIT_CLR(BRVLAN_SETSIZE, (bit), set) +#define BRVLAN_TEST(set, bit) __BIT_ISSET(BRVLAN_SETSIZE, (bit), set) + +#define BRDG_VLAN_OP_SET 1 /* replace current vlan set */ +#define BRDG_VLAN_OP_ADD 2 /* add vlans to current set */ +#define BRDG_VLAN_OP_DEL 3 /* remove vlans from current set */ + +struct ifbif_vlan_req { + char bv_ifname[IFNAMSIZ]; + uint8_t bv_op; + ifbvlan_set_t bv_set; +}; + +#ifdef _KERNEL + +#define BRIDGE_INPUT(_ifp, _m) do { \ + KASSERT((_ifp)->if_bridge_input != NULL, \ + ("%s: if_bridge not loaded!", __func__)); \ + _m = (*(_ifp)->if_bridge_input)(_ifp, _m); \ + if (_m != NULL) { \ + _ifp = _m->m_pkthdr.rcvif; \ + m->m_flags &= ~M_BRIDGE_INJECT; \ + } \ +} while (0) + +#define BRIDGE_OUTPUT(_ifp, _m, _err) do { \ + KASSERT((_ifp)->if_bridge_output != NULL, \ + ("%s: if_bridge not loaded!", __func__)); \ + _err = (*(_ifp)->if_bridge_output)(_ifp, _m, NULL, NULL); \ +} while (0) + +extern void (*bridge_dn_p)(struct mbuf *, struct ifnet *); +extern bool (*bridge_same_p)(const void *, const void *); +extern void *(*bridge_get_softc_p)(struct ifnet *); +extern bool (*bridge_member_ifaddrs_p)(void); + +#endif /* _KERNEL */ + +#endif /* _NET_IF_BRIDGEVAR_H_ */ |