118242d3bSAndrew Thompson /* $OpenBSD: if_trunk.h,v 1.11 2007/01/31 06:20:19 reyk Exp $ */ 218242d3bSAndrew Thompson 318242d3bSAndrew Thompson /* 418242d3bSAndrew Thompson * Copyright (c) 2005, 2006 Reyk Floeter <reyk@openbsd.org> 518242d3bSAndrew Thompson * 618242d3bSAndrew Thompson * Permission to use, copy, modify, and distribute this software for any 718242d3bSAndrew Thompson * purpose with or without fee is hereby granted, provided that the above 818242d3bSAndrew Thompson * copyright notice and this permission notice appear in all copies. 918242d3bSAndrew Thompson * 1018242d3bSAndrew Thompson * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 1118242d3bSAndrew Thompson * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 1218242d3bSAndrew Thompson * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 1318242d3bSAndrew Thompson * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 1418242d3bSAndrew Thompson * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 1518242d3bSAndrew Thompson * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 1618242d3bSAndrew Thompson * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 1718242d3bSAndrew Thompson * 1818242d3bSAndrew Thompson * $FreeBSD$ 1918242d3bSAndrew Thompson */ 2018242d3bSAndrew Thompson 2118242d3bSAndrew Thompson #ifndef _NET_LAGG_H 2218242d3bSAndrew Thompson #define _NET_LAGG_H 2318242d3bSAndrew Thompson 2418242d3bSAndrew Thompson /* 2518242d3bSAndrew Thompson * Global definitions 2618242d3bSAndrew Thompson */ 2718242d3bSAndrew Thompson 2818242d3bSAndrew Thompson #define LAGG_MAX_PORTS 32 /* logically */ 2918242d3bSAndrew Thompson #define LAGG_MAX_NAMESIZE 32 /* name of a protocol */ 3018242d3bSAndrew Thompson #define LAGG_MAX_STACKING 4 /* maximum number of stacked laggs */ 3118242d3bSAndrew Thompson 3218242d3bSAndrew Thompson /* Port flags */ 3318242d3bSAndrew Thompson #define LAGG_PORT_SLAVE 0x00000000 /* normal enslaved port */ 3418242d3bSAndrew Thompson #define LAGG_PORT_MASTER 0x00000001 /* primary port */ 3518242d3bSAndrew Thompson #define LAGG_PORT_STACK 0x00000002 /* stacked lagg port */ 3618242d3bSAndrew Thompson #define LAGG_PORT_ACTIVE 0x00000004 /* port is active */ 37ff6c5cf6SAndrew Thompson #define LAGG_PORT_COLLECTING 0x00000008 /* port is receiving frames */ 38ff6c5cf6SAndrew Thompson #define LAGG_PORT_DISTRIBUTING 0x00000010 /* port is sending frames */ 39e3163ef6SAndrew Thompson #define LAGG_PORT_DISABLED 0x00000020 /* port is disabled */ 4018242d3bSAndrew Thompson #define LAGG_PORT_GLOBAL 0x80000000 /* IOCTL: global flag */ 4118242d3bSAndrew Thompson #define LAGG_PORT_BITS "\20\01MASTER\02STACK\03ACTIVE\04COLLECTING" \ 42e3163ef6SAndrew Thompson "\05DISTRIBUTING\06DISABLED" 4318242d3bSAndrew Thompson 4418242d3bSAndrew Thompson /* Supported lagg PROTOs */ 4518242d3bSAndrew Thompson #define LAGG_PROTO_NONE 0 /* no lagg protocol defined */ 4618242d3bSAndrew Thompson #define LAGG_PROTO_ROUNDROBIN 1 /* simple round robin */ 4718242d3bSAndrew Thompson #define LAGG_PROTO_FAILOVER 2 /* active failover */ 4818242d3bSAndrew Thompson #define LAGG_PROTO_LOADBALANCE 3 /* loadbalance */ 4918242d3bSAndrew Thompson #define LAGG_PROTO_LACP 4 /* 802.3ad lacp */ 5018242d3bSAndrew Thompson #define LAGG_PROTO_ETHERCHANNEL 5 /* Cisco FEC */ 5118242d3bSAndrew Thompson #define LAGG_PROTO_MAX 6 5218242d3bSAndrew Thompson 5318242d3bSAndrew Thompson struct lagg_protos { 5418242d3bSAndrew Thompson const char *tpr_name; 5518242d3bSAndrew Thompson int tpr_proto; 5618242d3bSAndrew Thompson }; 5718242d3bSAndrew Thompson 5818242d3bSAndrew Thompson #define LAGG_PROTO_DEFAULT LAGG_PROTO_FAILOVER 5918242d3bSAndrew Thompson #define LAGG_PROTOS { \ 6018242d3bSAndrew Thompson { "failover", LAGG_PROTO_FAILOVER }, \ 6118242d3bSAndrew Thompson { "fec", LAGG_PROTO_ETHERCHANNEL }, \ 6218242d3bSAndrew Thompson { "lacp", LAGG_PROTO_LACP }, \ 6318242d3bSAndrew Thompson { "loadbalance", LAGG_PROTO_LOADBALANCE }, \ 6418242d3bSAndrew Thompson { "roundrobin", LAGG_PROTO_ROUNDROBIN }, \ 6518242d3bSAndrew Thompson { "none", LAGG_PROTO_NONE }, \ 6618242d3bSAndrew Thompson { "default", LAGG_PROTO_DEFAULT } \ 6718242d3bSAndrew Thompson } 6818242d3bSAndrew Thompson 6918242d3bSAndrew Thompson /* 7018242d3bSAndrew Thompson * lagg ioctls. 7118242d3bSAndrew Thompson */ 7218242d3bSAndrew Thompson 7318242d3bSAndrew Thompson /* lagg port settings */ 7418242d3bSAndrew Thompson struct lagg_reqport { 7518242d3bSAndrew Thompson char rp_ifname[IFNAMSIZ]; /* name of the lagg */ 7618242d3bSAndrew Thompson char rp_portname[IFNAMSIZ]; /* name of the port */ 7718242d3bSAndrew Thompson u_int32_t rp_prio; /* port priority */ 7818242d3bSAndrew Thompson u_int32_t rp_flags; /* port flags */ 7918242d3bSAndrew Thompson }; 8018242d3bSAndrew Thompson 8118242d3bSAndrew Thompson #define SIOCGLAGGPORT _IOWR('i', 140, struct lagg_reqport) 8218242d3bSAndrew Thompson #define SIOCSLAGGPORT _IOW('i', 141, struct lagg_reqport) 8318242d3bSAndrew Thompson #define SIOCSLAGGDELPORT _IOW('i', 142, struct lagg_reqport) 8418242d3bSAndrew Thompson 8518242d3bSAndrew Thompson /* lagg, ports and options */ 8618242d3bSAndrew Thompson struct lagg_reqall { 8718242d3bSAndrew Thompson char ra_ifname[IFNAMSIZ]; /* name of the lagg */ 8818242d3bSAndrew Thompson u_int ra_proto; /* lagg protocol */ 8918242d3bSAndrew Thompson 9018242d3bSAndrew Thompson size_t ra_size; /* size of buffer */ 9118242d3bSAndrew Thompson struct lagg_reqport *ra_port; /* allocated buffer */ 9218242d3bSAndrew Thompson int ra_ports; /* total port count */ 9318242d3bSAndrew Thompson }; 9418242d3bSAndrew Thompson 9518242d3bSAndrew Thompson #define SIOCGLAGG _IOWR('i', 143, struct lagg_reqall) 9618242d3bSAndrew Thompson #define SIOCSLAGG _IOW('i', 144, struct lagg_reqall) 9718242d3bSAndrew Thompson 9818242d3bSAndrew Thompson #ifdef _KERNEL 9918242d3bSAndrew Thompson /* 10018242d3bSAndrew Thompson * Internal kernel part 10118242d3bSAndrew Thompson */ 10218242d3bSAndrew Thompson 10318242d3bSAndrew Thompson #define lp_ifname lp_ifp->if_xname /* interface name */ 10418242d3bSAndrew Thompson #define lp_link_state lp_ifp->if_link_state /* link state */ 10518242d3bSAndrew Thompson #define lp_capabilities lp_ifp->if_capabilities /* capabilities */ 10618242d3bSAndrew Thompson 10718242d3bSAndrew Thompson #define LAGG_PORTACTIVE(_tp) ( \ 10818242d3bSAndrew Thompson ((_tp)->lp_link_state == LINK_STATE_UP) && \ 10918242d3bSAndrew Thompson ((_tp)->lp_ifp->if_flags & IFF_UP) \ 11018242d3bSAndrew Thompson ) 11118242d3bSAndrew Thompson 11218242d3bSAndrew Thompson #define mc_enm mc_u.mcu_enm 11318242d3bSAndrew Thompson 11418242d3bSAndrew Thompson struct lagg_ifreq { 11518242d3bSAndrew Thompson union { 11618242d3bSAndrew Thompson struct ifreq ifreq; 11718242d3bSAndrew Thompson struct { 11818242d3bSAndrew Thompson char ifr_name[IFNAMSIZ]; 11918242d3bSAndrew Thompson struct sockaddr_storage ifr_ss; 12018242d3bSAndrew Thompson } ifreq_storage; 12118242d3bSAndrew Thompson } ifreq; 12218242d3bSAndrew Thompson }; 12318242d3bSAndrew Thompson 12418242d3bSAndrew Thompson #define sc_ifflags sc_ifp->if_flags /* flags */ 12518242d3bSAndrew Thompson #define sc_ifname sc_ifp->if_xname /* name */ 12618242d3bSAndrew Thompson #define sc_capabilities sc_ifp->if_capabilities /* capabilities */ 12718242d3bSAndrew Thompson 12818242d3bSAndrew Thompson #define IFCAP_LAGG_MASK 0xffff0000 /* private capabilities */ 12918242d3bSAndrew Thompson #define IFCAP_LAGG_FULLDUPLEX 0x00010000 /* full duplex with >1 ports */ 13018242d3bSAndrew Thompson 13118242d3bSAndrew Thompson /* Private data used by the loadbalancing protocol */ 13218242d3bSAndrew Thompson #define LAGG_LB_MAXKEYS 8 13318242d3bSAndrew Thompson struct lagg_lb { 13418242d3bSAndrew Thompson u_int32_t lb_key; 13518242d3bSAndrew Thompson struct lagg_port *lb_ports[LAGG_MAX_PORTS]; 13618242d3bSAndrew Thompson }; 13718242d3bSAndrew Thompson 13818242d3bSAndrew Thompson struct lagg_mc { 13918242d3bSAndrew Thompson union { 14018242d3bSAndrew Thompson struct ether_multi *mcu_enm; 14118242d3bSAndrew Thompson } mc_u; 14218242d3bSAndrew Thompson struct sockaddr_storage mc_addr; 14318242d3bSAndrew Thompson 14418242d3bSAndrew Thompson SLIST_ENTRY(lagg_mc) mc_entries; 14518242d3bSAndrew Thompson }; 14618242d3bSAndrew Thompson 14718242d3bSAndrew Thompson struct lagg_softc { 14818242d3bSAndrew Thompson struct ifnet *sc_ifp; /* virtual interface */ 14918242d3bSAndrew Thompson struct mtx sc_mtx; 15018242d3bSAndrew Thompson int sc_proto; /* lagg protocol */ 15118242d3bSAndrew Thompson u_int sc_count; /* number of ports */ 15218242d3bSAndrew Thompson struct lagg_port *sc_primary; /* primary port */ 15318242d3bSAndrew Thompson struct ifmedia sc_media; /* media config */ 15418242d3bSAndrew Thompson caddr_t sc_psc; /* protocol data */ 15518242d3bSAndrew Thompson 15618242d3bSAndrew Thompson SLIST_HEAD(__tplhd, lagg_port) sc_ports; /* list of interfaces */ 15718242d3bSAndrew Thompson SLIST_ENTRY(lagg_softc) sc_entries; 15818242d3bSAndrew Thompson 15918242d3bSAndrew Thompson SLIST_HEAD(__mclhd, lagg_mc) sc_mc_head; /* multicast addresses */ 16018242d3bSAndrew Thompson 16118242d3bSAndrew Thompson /* lagg protocol callbacks */ 16218242d3bSAndrew Thompson int (*sc_detach)(struct lagg_softc *); 16318242d3bSAndrew Thompson int (*sc_start)(struct lagg_softc *, struct mbuf *); 16418242d3bSAndrew Thompson struct mbuf *(*sc_input)(struct lagg_softc *, struct lagg_port *, 16518242d3bSAndrew Thompson struct mbuf *); 16618242d3bSAndrew Thompson int (*sc_port_create)(struct lagg_port *); 16718242d3bSAndrew Thompson void (*sc_port_destroy)(struct lagg_port *); 16818242d3bSAndrew Thompson void (*sc_linkstate)(struct lagg_port *); 16918242d3bSAndrew Thompson void (*sc_init)(struct lagg_softc *); 17018242d3bSAndrew Thompson void (*sc_stop)(struct lagg_softc *); 17118242d3bSAndrew Thompson void (*sc_lladdr)(struct lagg_softc *); 17218242d3bSAndrew Thompson }; 17318242d3bSAndrew Thompson 17418242d3bSAndrew Thompson struct lagg_port { 17518242d3bSAndrew Thompson struct ifnet *lp_ifp; /* physical interface */ 17618242d3bSAndrew Thompson struct lagg_softc *lp_lagg; /* parent lagg */ 17718242d3bSAndrew Thompson uint8_t lp_lladdr[ETHER_ADDR_LEN]; 17818242d3bSAndrew Thompson 17918242d3bSAndrew Thompson u_char lp_iftype; /* interface type */ 18018242d3bSAndrew Thompson uint32_t lp_prio; /* port priority */ 18118242d3bSAndrew Thompson uint32_t lp_flags; /* port flags */ 18218242d3bSAndrew Thompson int lp_ifflags; /* saved ifp flags */ 18318242d3bSAndrew Thompson void *lh_cookie; /* if state hook */ 18418242d3bSAndrew Thompson caddr_t lp_psc; /* protocol data */ 18518242d3bSAndrew Thompson 18618242d3bSAndrew Thompson /* Redirected callbacks */ 18718242d3bSAndrew Thompson int (*lp_ioctl)(struct ifnet *, u_long, caddr_t); 18818242d3bSAndrew Thompson int (*lp_output)(struct ifnet *, struct mbuf *, struct sockaddr *, 18918242d3bSAndrew Thompson struct rtentry *); 19018242d3bSAndrew Thompson 19118242d3bSAndrew Thompson SLIST_ENTRY(lagg_port) lp_entries; 19218242d3bSAndrew Thompson }; 19318242d3bSAndrew Thompson 19418242d3bSAndrew Thompson #define LAGG_LOCK_INIT(_tr) mtx_init(&(_tr)->sc_mtx, "if_lagg", NULL, \ 19518242d3bSAndrew Thompson MTX_DEF) 19618242d3bSAndrew Thompson #define LAGG_LOCK_DESTROY(_tr) mtx_destroy(&(_tr)->sc_mtx) 19718242d3bSAndrew Thompson #define LAGG_LOCK(_tr) mtx_lock(&(_tr)->sc_mtx) 19818242d3bSAndrew Thompson #define LAGG_UNLOCK(_tr) mtx_unlock(&(_tr)->sc_mtx) 19918242d3bSAndrew Thompson #define LAGG_LOCKED(_tr) mtx_owned(&(_tr)->sc_mtx) 20018242d3bSAndrew Thompson #define LAGG_LOCK_ASSERT(_tr) mtx_assert(&(_tr)->sc_mtx, MA_OWNED) 20118242d3bSAndrew Thompson 20218242d3bSAndrew Thompson extern struct mbuf *(*lagg_input_p)(struct ifnet *, struct mbuf *); 20318242d3bSAndrew Thompson extern void (*lagg_linkstate_p)(struct ifnet *, int ); 20418242d3bSAndrew Thompson 20518242d3bSAndrew Thompson int lagg_enqueue(struct ifnet *, struct mbuf *); 20618242d3bSAndrew Thompson uint32_t lagg_hashmbuf(struct mbuf *, uint32_t); 20718242d3bSAndrew Thompson 20818242d3bSAndrew Thompson #endif /* _KERNEL */ 20918242d3bSAndrew Thompson 21018242d3bSAndrew Thompson #endif /* _NET_LAGG_H */ 211