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 3286f67641SAndrew Thompson /* Lagg flags */ 3386f67641SAndrew Thompson #define LAGG_F_HASHL2 0x00000001 /* hash layer 2 */ 3486f67641SAndrew Thompson #define LAGG_F_HASHL3 0x00000002 /* hash layer 3 */ 3586f67641SAndrew Thompson #define LAGG_F_HASHL4 0x00000004 /* hash layer 4 */ 3686f67641SAndrew Thompson #define LAGG_F_HASHMASK 0x00000007 3786f67641SAndrew Thompson 3818242d3bSAndrew Thompson /* Port flags */ 3918242d3bSAndrew Thompson #define LAGG_PORT_SLAVE 0x00000000 /* normal enslaved port */ 4018242d3bSAndrew Thompson #define LAGG_PORT_MASTER 0x00000001 /* primary port */ 4118242d3bSAndrew Thompson #define LAGG_PORT_STACK 0x00000002 /* stacked lagg port */ 4218242d3bSAndrew Thompson #define LAGG_PORT_ACTIVE 0x00000004 /* port is active */ 43ff6c5cf6SAndrew Thompson #define LAGG_PORT_COLLECTING 0x00000008 /* port is receiving frames */ 44ff6c5cf6SAndrew Thompson #define LAGG_PORT_DISTRIBUTING 0x00000010 /* port is sending frames */ 45e3163ef6SAndrew Thompson #define LAGG_PORT_DISABLED 0x00000020 /* port is disabled */ 4618242d3bSAndrew Thompson #define LAGG_PORT_BITS "\20\01MASTER\02STACK\03ACTIVE\04COLLECTING" \ 47e3163ef6SAndrew Thompson "\05DISTRIBUTING\06DISABLED" 4818242d3bSAndrew Thompson 4918242d3bSAndrew Thompson /* Supported lagg PROTOs */ 50b5e094cfSGleb Smirnoff typedef enum { 51b5e094cfSGleb Smirnoff LAGG_PROTO_NONE = 0, /* no lagg protocol defined */ 52b5e094cfSGleb Smirnoff LAGG_PROTO_ROUNDROBIN, /* simple round robin */ 53b5e094cfSGleb Smirnoff LAGG_PROTO_FAILOVER, /* active failover */ 54b5e094cfSGleb Smirnoff LAGG_PROTO_LOADBALANCE, /* loadbalance */ 55b5e094cfSGleb Smirnoff LAGG_PROTO_LACP, /* 802.3ad lacp */ 56b5e094cfSGleb Smirnoff LAGG_PROTO_ETHERCHANNEL,/* Cisco FEC */ 57b5e094cfSGleb Smirnoff LAGG_PROTO_BROADCAST, /* broadcast */ 58b5e094cfSGleb Smirnoff LAGG_PROTO_MAX, 59b5e094cfSGleb Smirnoff } lagg_proto; 6018242d3bSAndrew Thompson 6118242d3bSAndrew Thompson struct lagg_protos { 62ec32b37eSAndrew Thompson const char *lpr_name; 63b5e094cfSGleb Smirnoff lagg_proto lpr_proto; 6418242d3bSAndrew Thompson }; 6518242d3bSAndrew Thompson 6618242d3bSAndrew Thompson #define LAGG_PROTO_DEFAULT LAGG_PROTO_FAILOVER 6718242d3bSAndrew Thompson #define LAGG_PROTOS { \ 6818242d3bSAndrew Thompson { "failover", LAGG_PROTO_FAILOVER }, \ 6918242d3bSAndrew Thompson { "fec", LAGG_PROTO_ETHERCHANNEL }, \ 7018242d3bSAndrew Thompson { "lacp", LAGG_PROTO_LACP }, \ 7118242d3bSAndrew Thompson { "loadbalance", LAGG_PROTO_LOADBALANCE }, \ 7218242d3bSAndrew Thompson { "roundrobin", LAGG_PROTO_ROUNDROBIN }, \ 7399cdd961SMarcelo Araujo { "broadcast", LAGG_PROTO_BROADCAST }, \ 7418242d3bSAndrew Thompson { "none", LAGG_PROTO_NONE }, \ 7518242d3bSAndrew Thompson { "default", LAGG_PROTO_DEFAULT } \ 7618242d3bSAndrew Thompson } 7718242d3bSAndrew Thompson 7818242d3bSAndrew Thompson /* 7918242d3bSAndrew Thompson * lagg ioctls. 8018242d3bSAndrew Thompson */ 8118242d3bSAndrew Thompson 82b3d37ca5SAndrew Thompson /* 83b3d37ca5SAndrew Thompson * LACP current operational parameters structure. 84b3d37ca5SAndrew Thompson */ 85b3d37ca5SAndrew Thompson struct lacp_opreq { 86b3d37ca5SAndrew Thompson uint16_t actor_prio; 87b3d37ca5SAndrew Thompson uint8_t actor_mac[ETHER_ADDR_LEN]; 88b3d37ca5SAndrew Thompson uint16_t actor_key; 89b3d37ca5SAndrew Thompson uint16_t actor_portprio; 90b3d37ca5SAndrew Thompson uint16_t actor_portno; 91b3d37ca5SAndrew Thompson uint8_t actor_state; 92b3d37ca5SAndrew Thompson uint16_t partner_prio; 93b3d37ca5SAndrew Thompson uint8_t partner_mac[ETHER_ADDR_LEN]; 94b3d37ca5SAndrew Thompson uint16_t partner_key; 95b3d37ca5SAndrew Thompson uint16_t partner_portprio; 96b3d37ca5SAndrew Thompson uint16_t partner_portno; 97b3d37ca5SAndrew Thompson uint8_t partner_state; 98b3d37ca5SAndrew Thompson }; 99b3d37ca5SAndrew Thompson 10018242d3bSAndrew Thompson /* lagg port settings */ 10118242d3bSAndrew Thompson struct lagg_reqport { 10218242d3bSAndrew Thompson char rp_ifname[IFNAMSIZ]; /* name of the lagg */ 10318242d3bSAndrew Thompson char rp_portname[IFNAMSIZ]; /* name of the port */ 10418242d3bSAndrew Thompson u_int32_t rp_prio; /* port priority */ 10518242d3bSAndrew Thompson u_int32_t rp_flags; /* port flags */ 106b3d37ca5SAndrew Thompson union { 107b3d37ca5SAndrew Thompson struct lacp_opreq rpsc_lacp; 108b3d37ca5SAndrew Thompson } rp_psc; 109b3d37ca5SAndrew Thompson #define rp_lacpreq rp_psc.rpsc_lacp 11018242d3bSAndrew Thompson }; 11118242d3bSAndrew Thompson 11218242d3bSAndrew Thompson #define SIOCGLAGGPORT _IOWR('i', 140, struct lagg_reqport) 11318242d3bSAndrew Thompson #define SIOCSLAGGPORT _IOW('i', 141, struct lagg_reqport) 11418242d3bSAndrew Thompson #define SIOCSLAGGDELPORT _IOW('i', 142, struct lagg_reqport) 11518242d3bSAndrew Thompson 11618242d3bSAndrew Thompson /* lagg, ports and options */ 11718242d3bSAndrew Thompson struct lagg_reqall { 11818242d3bSAndrew Thompson char ra_ifname[IFNAMSIZ]; /* name of the lagg */ 11918242d3bSAndrew Thompson u_int ra_proto; /* lagg protocol */ 12018242d3bSAndrew Thompson 12118242d3bSAndrew Thompson size_t ra_size; /* size of buffer */ 12218242d3bSAndrew Thompson struct lagg_reqport *ra_port; /* allocated buffer */ 12318242d3bSAndrew Thompson int ra_ports; /* total port count */ 124b3d37ca5SAndrew Thompson union { 125b3d37ca5SAndrew Thompson struct lacp_opreq rpsc_lacp; 126b3d37ca5SAndrew Thompson } ra_psc; 127b3d37ca5SAndrew Thompson #define ra_lacpreq ra_psc.rpsc_lacp 12818242d3bSAndrew Thompson }; 12918242d3bSAndrew Thompson 13018242d3bSAndrew Thompson #define SIOCGLAGG _IOWR('i', 143, struct lagg_reqall) 13118242d3bSAndrew Thompson #define SIOCSLAGG _IOW('i', 144, struct lagg_reqall) 13218242d3bSAndrew Thompson 13386f67641SAndrew Thompson struct lagg_reqflags { 13486f67641SAndrew Thompson char rf_ifname[IFNAMSIZ]; /* name of the lagg */ 13586f67641SAndrew Thompson uint32_t rf_flags; /* lagg protocol */ 13686f67641SAndrew Thompson }; 13786f67641SAndrew Thompson 13886f67641SAndrew Thompson #define SIOCGLAGGFLAGS _IOWR('i', 145, struct lagg_reqflags) 13986f67641SAndrew Thompson #define SIOCSLAGGHASH _IOW('i', 146, struct lagg_reqflags) 14086f67641SAndrew Thompson 1419732189cSHiroki Sato struct lagg_reqopts { 1429732189cSHiroki Sato char ro_ifname[IFNAMSIZ]; /* name of the lagg */ 1439732189cSHiroki Sato 1449732189cSHiroki Sato int ro_opts; /* Option bitmap */ 1459732189cSHiroki Sato #define LAGG_OPT_NONE 0x00 1469732189cSHiroki Sato #define LAGG_OPT_USE_FLOWID 0x01 /* use M_FLOWID */ 1479732189cSHiroki Sato /* Pseudo flags which are used in ro_opts but not stored into sc_opts. */ 1489732189cSHiroki Sato #define LAGG_OPT_FLOWIDSHIFT 0x02 /* Set flowid */ 1499732189cSHiroki Sato #define LAGG_OPT_FLOWIDSHIFT_MASK 0x1f /* flowid is uint32_t */ 1509732189cSHiroki Sato #define LAGG_OPT_LACP_STRICT 0x10 /* LACP strict mode */ 1519732189cSHiroki Sato #define LAGG_OPT_LACP_TXTEST 0x20 /* LACP debug: txtest */ 1529732189cSHiroki Sato #define LAGG_OPT_LACP_RXTEST 0x40 /* LACP debug: rxtest */ 1539732189cSHiroki Sato u_int ro_count; /* number of ports */ 1549732189cSHiroki Sato u_int ro_active; /* active port count */ 1559732189cSHiroki Sato u_int ro_flapping; /* number of flapping */ 1569732189cSHiroki Sato int ro_flowid_shift; /* shift the flowid */ 1579732189cSHiroki Sato }; 1589732189cSHiroki Sato 1599732189cSHiroki Sato #define SIOCGLAGGOPTS _IOWR('i', 152, struct lagg_reqopts) 1609732189cSHiroki Sato #define SIOCSLAGGOPTS _IOW('i', 153, struct lagg_reqopts) 1619732189cSHiroki Sato 16218242d3bSAndrew Thompson #ifdef _KERNEL 163b64478a1SGleb Smirnoff 16418242d3bSAndrew Thompson /* 16518242d3bSAndrew Thompson * Internal kernel part 16618242d3bSAndrew Thompson */ 16718242d3bSAndrew Thompson 16818242d3bSAndrew Thompson #define LAGG_PORTACTIVE(_tp) ( \ 169eade13f9SGleb Smirnoff ((_tp)->lp_ifp->if_link_state == LINK_STATE_UP) && \ 17018242d3bSAndrew Thompson ((_tp)->lp_ifp->if_flags & IFF_UP) \ 17118242d3bSAndrew Thompson ) 17218242d3bSAndrew Thompson 17318242d3bSAndrew Thompson struct lagg_ifreq { 17418242d3bSAndrew Thompson union { 17518242d3bSAndrew Thompson struct ifreq ifreq; 17618242d3bSAndrew Thompson struct { 17718242d3bSAndrew Thompson char ifr_name[IFNAMSIZ]; 17818242d3bSAndrew Thompson struct sockaddr_storage ifr_ss; 17918242d3bSAndrew Thompson } ifreq_storage; 18018242d3bSAndrew Thompson } ifreq; 18118242d3bSAndrew Thompson }; 18218242d3bSAndrew Thompson 18318242d3bSAndrew Thompson #define sc_ifflags sc_ifp->if_flags /* flags */ 18418242d3bSAndrew Thompson #define sc_ifname sc_ifp->if_xname /* name */ 18518242d3bSAndrew Thompson #define sc_capabilities sc_ifp->if_capabilities /* capabilities */ 18618242d3bSAndrew Thompson 18718242d3bSAndrew Thompson #define IFCAP_LAGG_MASK 0xffff0000 /* private capabilities */ 18818242d3bSAndrew Thompson #define IFCAP_LAGG_FULLDUPLEX 0x00010000 /* full duplex with >1 ports */ 18918242d3bSAndrew Thompson 19018242d3bSAndrew Thompson /* Private data used by the loadbalancing protocol */ 19118242d3bSAndrew Thompson struct lagg_lb { 19218242d3bSAndrew Thompson u_int32_t lb_key; 19318242d3bSAndrew Thompson struct lagg_port *lb_ports[LAGG_MAX_PORTS]; 19418242d3bSAndrew Thompson }; 19518242d3bSAndrew Thompson 19618242d3bSAndrew Thompson struct lagg_mc { 1972d222cb7SAlexander Motin struct sockaddr_dl mc_addr; 198d74fd345SAndrew Thompson struct ifmultiaddr *mc_ifma; 19918242d3bSAndrew Thompson SLIST_ENTRY(lagg_mc) mc_entries; 20018242d3bSAndrew Thompson }; 20118242d3bSAndrew Thompson 202cdc6f95fSAndrew Thompson /* List of interfaces to have the MAC address modified */ 203cdc6f95fSAndrew Thompson struct lagg_llq { 204cdc6f95fSAndrew Thompson struct ifnet *llq_ifp; 205cdc6f95fSAndrew Thompson uint8_t llq_lladdr[ETHER_ADDR_LEN]; 206cdc6f95fSAndrew Thompson SLIST_ENTRY(lagg_llq) llq_entries; 207cdc6f95fSAndrew Thompson }; 208cdc6f95fSAndrew Thompson 2097d6cc45cSAlexander V. Chernikov struct lagg_counters { 210112f50ffSGleb Smirnoff uint64_t val[IFCOUNTERS]; 2117d6cc45cSAlexander V. Chernikov }; 2127d6cc45cSAlexander V. Chernikov 21318242d3bSAndrew Thompson struct lagg_softc { 21418242d3bSAndrew Thompson struct ifnet *sc_ifp; /* virtual interface */ 215310915a4SAdrian Chadd struct rmlock sc_mtx; 21618242d3bSAndrew Thompson int sc_proto; /* lagg protocol */ 21718242d3bSAndrew Thompson u_int sc_count; /* number of ports */ 21831402c27SAdrian Chadd u_int sc_active; /* active port count */ 21931402c27SAdrian Chadd u_int sc_flapping; /* number of flapping 22031402c27SAdrian Chadd * events */ 22118242d3bSAndrew Thompson struct lagg_port *sc_primary; /* primary port */ 22218242d3bSAndrew Thompson struct ifmedia sc_media; /* media config */ 2236900d0d3SGleb Smirnoff void *sc_psc; /* protocol data */ 224960dab09SAndrew Thompson uint32_t sc_seq; /* sequence counter */ 22586f67641SAndrew Thompson uint32_t sc_flags; 22618242d3bSAndrew Thompson 22718242d3bSAndrew Thompson SLIST_HEAD(__tplhd, lagg_port) sc_ports; /* list of interfaces */ 22818242d3bSAndrew Thompson SLIST_ENTRY(lagg_softc) sc_entries; 22918242d3bSAndrew Thompson 230cdc6f95fSAndrew Thompson struct task sc_lladdr_task; 231cdc6f95fSAndrew Thompson SLIST_HEAD(__llqhd, lagg_llq) sc_llq_head; /* interfaces to program 232cdc6f95fSAndrew Thompson the lladdr on */ 233644da90dSErmal Luçi eventhandler_tag vlan_attach; 234644da90dSErmal Luçi eventhandler_tag vlan_detach; 235b64478a1SGleb Smirnoff struct callout sc_callout; 236939a050aSHiroki Sato u_int sc_opts; 2371a8959daSScott Long int flowid_shift; /* shift the flowid */ 2387d6cc45cSAlexander V. Chernikov struct lagg_counters detached_counters; /* detached ports sum */ 23918242d3bSAndrew Thompson }; 24018242d3bSAndrew Thompson 24118242d3bSAndrew Thompson struct lagg_port { 24218242d3bSAndrew Thompson struct ifnet *lp_ifp; /* physical interface */ 243ec32b37eSAndrew Thompson struct lagg_softc *lp_softc; /* parent lagg */ 24418242d3bSAndrew Thompson uint8_t lp_lladdr[ETHER_ADDR_LEN]; 24518242d3bSAndrew Thompson 24618242d3bSAndrew Thompson u_char lp_iftype; /* interface type */ 24718242d3bSAndrew Thompson uint32_t lp_prio; /* port priority */ 24818242d3bSAndrew Thompson uint32_t lp_flags; /* port flags */ 24918242d3bSAndrew Thompson int lp_ifflags; /* saved ifp flags */ 25018242d3bSAndrew Thompson void *lh_cookie; /* if state hook */ 2516900d0d3SGleb Smirnoff void *lp_psc; /* protocol data */ 252108fe96aSAndrew Thompson int lp_detaching; /* ifnet is detaching */ 25318242d3bSAndrew Thompson 254d74fd345SAndrew Thompson SLIST_HEAD(__mclhd, lagg_mc) lp_mc_head; /* multicast addresses */ 255d74fd345SAndrew Thompson 25618242d3bSAndrew Thompson /* Redirected callbacks */ 25718242d3bSAndrew Thompson int (*lp_ioctl)(struct ifnet *, u_long, caddr_t); 25847e8d432SGleb Smirnoff int (*lp_output)(struct ifnet *, struct mbuf *, 25947e8d432SGleb Smirnoff const struct sockaddr *, struct route *); 2607d6cc45cSAlexander V. Chernikov struct lagg_counters port_counters; /* ifp counters copy */ 26118242d3bSAndrew Thompson 26218242d3bSAndrew Thompson SLIST_ENTRY(lagg_port) lp_entries; 26318242d3bSAndrew Thompson }; 26418242d3bSAndrew Thompson 265310915a4SAdrian Chadd #define LAGG_LOCK_INIT(_sc) rm_init(&(_sc)->sc_mtx, "if_lagg rmlock") 266310915a4SAdrian Chadd #define LAGG_LOCK_DESTROY(_sc) rm_destroy(&(_sc)->sc_mtx) 267310915a4SAdrian Chadd #define LAGG_RLOCK(_sc, _p) rm_rlock(&(_sc)->sc_mtx, (_p)) 268310915a4SAdrian Chadd #define LAGG_WLOCK(_sc) rm_wlock(&(_sc)->sc_mtx) 269310915a4SAdrian Chadd #define LAGG_RUNLOCK(_sc, _p) rm_runlock(&(_sc)->sc_mtx, (_p)) 270310915a4SAdrian Chadd #define LAGG_WUNLOCK(_sc) rm_wunlock(&(_sc)->sc_mtx) 271310915a4SAdrian Chadd #define LAGG_RLOCK_ASSERT(_sc) rm_assert(&(_sc)->sc_mtx, RA_RLOCKED) 272310915a4SAdrian Chadd #define LAGG_WLOCK_ASSERT(_sc) rm_assert(&(_sc)->sc_mtx, RA_WLOCKED) 273310915a4SAdrian Chadd 27418242d3bSAndrew Thompson extern struct mbuf *(*lagg_input_p)(struct ifnet *, struct mbuf *); 27518242d3bSAndrew Thompson extern void (*lagg_linkstate_p)(struct ifnet *, int ); 27618242d3bSAndrew Thompson 27718242d3bSAndrew Thompson int lagg_enqueue(struct ifnet *, struct mbuf *); 27886f67641SAndrew Thompson uint32_t lagg_hashmbuf(struct lagg_softc *, struct mbuf *, uint32_t); 27918242d3bSAndrew Thompson 28031402c27SAdrian Chadd SYSCTL_DECL(_net_link_lagg); 28131402c27SAdrian Chadd 28218242d3bSAndrew Thompson #endif /* _KERNEL */ 28318242d3bSAndrew Thompson 28418242d3bSAndrew Thompson #endif /* _NET_LAGG_H */ 285