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- /* $OpenBSD: if_trunk.h,v 1.11 2007/01/31 06:20:19 reyk Exp $ */
- /*
- * Copyright (c) 2005, 2006 Reyk Floeter <reyk@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
- #ifndef _NET_LAGG_H
- #define _NET_LAGG_H
- /*
- * Global definitions
- */
- #define LAGG_MAX_PORTS 32 /* logically */
- #define LAGG_MAX_NAMESIZE 32 /* name of a protocol */
- #define LAGG_MAX_STACKING 4 /* maximum number of stacked laggs */
- /* Lagg flags */
- #define LAGG_F_HASHL2 0x00000001 /* hash layer 2 */
- #define LAGG_F_HASHL3 0x00000002 /* hash layer 3 */
- #define LAGG_F_HASHL4 0x00000004 /* hash layer 4 */
- #define LAGG_F_HASHMASK 0x00000007
- /* Port flags */
- #define LAGG_PORT_SLAVE 0x00000000 /* normal enslaved port */
- #define LAGG_PORT_MASTER 0x00000001 /* primary port */
- #define LAGG_PORT_STACK 0x00000002 /* stacked lagg port */
- #define LAGG_PORT_ACTIVE 0x00000004 /* port is active */
- #define LAGG_PORT_COLLECTING 0x00000008 /* port is receiving frames */
- #define LAGG_PORT_DISTRIBUTING 0x00000010 /* port is sending frames */
- #define LAGG_PORT_BITS "\20\01MASTER\02STACK\03ACTIVE\04COLLECTING" \
- "\05DISTRIBUTING"
- /* Supported lagg PROTOs */
- typedef enum {
- LAGG_PROTO_NONE = 0, /* no lagg protocol defined */
- LAGG_PROTO_ROUNDROBIN, /* simple round robin */
- LAGG_PROTO_FAILOVER, /* active failover */
- LAGG_PROTO_LOADBALANCE, /* loadbalance */
- LAGG_PROTO_LACP, /* 802.3ad lacp */
- LAGG_PROTO_BROADCAST, /* broadcast */
- LAGG_PROTO_MAX,
- } lagg_proto;
- struct lagg_protos {
- const char *lpr_name;
- lagg_proto lpr_proto;
- };
- #define LAGG_PROTO_DEFAULT LAGG_PROTO_FAILOVER
- #define LAGG_PROTOS { \
- { "failover", LAGG_PROTO_FAILOVER }, \
- { "lacp", LAGG_PROTO_LACP }, \
- { "loadbalance", LAGG_PROTO_LOADBALANCE }, \
- { "roundrobin", LAGG_PROTO_ROUNDROBIN }, \
- { "broadcast", LAGG_PROTO_BROADCAST }, \
- { "none", LAGG_PROTO_NONE }, \
- { "default", LAGG_PROTO_DEFAULT } \
- }
- /* Supported lagg TYPEs */
- typedef enum {
- LAGG_TYPE_ETHERNET = 0, /* ethernet (default) */
- LAGG_TYPE_INFINIBAND, /* infiniband */
- LAGG_TYPE_MAX,
- } lagg_type;
- struct lagg_types {
- const char *lt_name;
- lagg_type lt_value;
- };
- #define LAGG_TYPE_DEFAULT LAGG_TYPE_ETHERNET
- #define LAGG_TYPES { \
- { "ethernet", LAGG_TYPE_ETHERNET }, \
- { "infiniband", LAGG_TYPE_INFINIBAND }, \
- }
- /*
- * lagg create clone params
- */
- struct iflaggparam {
- uint8_t lagg_type; /* see LAGG_TYPE_XXX */
- uint8_t reserved_8[3];
- uint32_t reserved_32[3];
- };
- /*
- * lagg ioctls.
- */
- /*
- * LACP current operational parameters structure.
- */
- struct lacp_opreq {
- uint16_t actor_prio;
- uint8_t actor_mac[ETHER_ADDR_LEN];
- uint16_t actor_key;
- uint16_t actor_portprio;
- uint16_t actor_portno;
- uint8_t actor_state;
- uint16_t partner_prio;
- uint8_t partner_mac[ETHER_ADDR_LEN];
- uint16_t partner_key;
- uint16_t partner_portprio;
- uint16_t partner_portno;
- uint8_t partner_state;
- };
- /* lagg port settings */
- struct lagg_reqport {
- char rp_ifname[IFNAMSIZ]; /* name of the lagg */
- char rp_portname[IFNAMSIZ]; /* name of the port */
- u_int32_t rp_prio; /* port priority */
- u_int32_t rp_flags; /* port flags */
- union {
- struct lacp_opreq rpsc_lacp;
- } rp_psc;
- #define rp_lacpreq rp_psc.rpsc_lacp
- };
- #define SIOCGLAGGPORT _IOWR('i', 140, struct lagg_reqport)
- #define SIOCSLAGGPORT _IOW('i', 141, struct lagg_reqport)
- #define SIOCSLAGGDELPORT _IOW('i', 142, struct lagg_reqport)
- /* lagg, ports and options */
- struct lagg_reqall {
- char ra_ifname[IFNAMSIZ]; /* name of the lagg */
- u_int ra_proto; /* lagg protocol */
- size_t ra_size; /* size of buffer */
- struct lagg_reqport *ra_port; /* allocated buffer */
- int ra_ports; /* total port count */
- union {
- struct lacp_opreq rpsc_lacp;
- } ra_psc;
- #define ra_lacpreq ra_psc.rpsc_lacp
- };
- #define SIOCGLAGG _IOWR('i', 143, struct lagg_reqall)
- #define SIOCSLAGG _IOW('i', 144, struct lagg_reqall)
- struct lagg_reqflags {
- char rf_ifname[IFNAMSIZ]; /* name of the lagg */
- uint32_t rf_flags; /* lagg protocol */
- };
- #define SIOCGLAGGFLAGS _IOWR('i', 145, struct lagg_reqflags)
- #define SIOCSLAGGHASH _IOW('i', 146, struct lagg_reqflags)
- struct lagg_reqopts {
- char ro_ifname[IFNAMSIZ]; /* name of the lagg */
- int ro_opts; /* Option bitmap */
- #define LAGG_OPT_NONE 0x00
- #define LAGG_OPT_USE_FLOWID 0x01 /* enable use of flowid */
- /* Pseudo flags which are used in ro_opts but not stored into sc_opts. */
- #define LAGG_OPT_FLOWIDSHIFT 0x02 /* set flowid shift */
- #define LAGG_OPT_USE_NUMA 0x04 /* enable use of numa */
- #define LAGG_OPT_FLOWIDSHIFT_MASK 0x1f /* flowid is uint32_t */
- #define LAGG_OPT_LACP_STRICT 0x10 /* LACP strict mode */
- #define LAGG_OPT_LACP_TXTEST 0x20 /* LACP debug: txtest */
- #define LAGG_OPT_LACP_RXTEST 0x40 /* LACP debug: rxtest */
- #define LAGG_OPT_LACP_FAST_TIMO 0x80 /* LACP fast timeout */
- #define LAGG_OPT_RR_LIMIT 0x100 /* RR stride */
- u_int ro_count; /* number of ports */
- u_int ro_active; /* active port count */
- u_int ro_flapping; /* number of flapping */
- int ro_flowid_shift; /* shift the flowid */
- uint32_t ro_bkt; /* stride for RR */
- };
- #define SIOCGLAGGOPTS _IOWR('i', 152, struct lagg_reqopts)
- #define SIOCSLAGGOPTS _IOW('i', 153, struct lagg_reqopts)
- #define LAGG_OPT_BITS "\020\001USE_FLOWID\003USE_NUMA" \
- "\005LACP_STRICT\006LACP_TXTEST" \
- "\007LACP_RXTEST\010LACP_FAST_TIMO"
- #ifdef _KERNEL
- /*
- * Internal kernel part
- */
- #define LAGG_PORTACTIVE(_tp) ( \
- ((_tp)->lp_ifp->if_link_state == LINK_STATE_UP) && \
- ((_tp)->lp_ifp->if_flags & IFF_UP) \
- )
- struct lagg_ifreq {
- union {
- struct ifreq ifreq;
- struct {
- char ifr_name[IFNAMSIZ];
- struct sockaddr_storage ifr_ss;
- } ifreq_storage;
- } ifreq;
- };
- #define sc_ifflags sc_ifp->if_flags /* flags */
- #define sc_ifname sc_ifp->if_xname /* name */
- /* Private data used by the loadbalancing protocol */
- struct lagg_lb {
- u_int32_t lb_key;
- struct lagg_port *lb_ports[LAGG_MAX_PORTS];
- };
- struct lagg_mc {
- struct sockaddr_dl mc_addr;
- struct ifmultiaddr *mc_ifma;
- SLIST_ENTRY(lagg_mc) mc_entries;
- };
- struct lagg_counters {
- uint64_t val[IFCOUNTERS];
- };
- struct lagg_softc {
- struct ifnet *sc_ifp; /* virtual interface */
- struct mtx sc_mtx; /* watchdog mutex */
- struct sx sc_sx;
- int sc_proto; /* lagg protocol */
- u_int sc_count; /* number of ports */
- u_int sc_active; /* active port count */
- u_int sc_flapping; /* number of flapping
- * events */
- struct lagg_port *sc_primary; /* primary port */
- struct ifmedia sc_media; /* media config */
- void *sc_psc; /* protocol data */
- uint32_t sc_seq; /* sequence counter */
- uint32_t sc_stride; /* stride for RR */
- uint32_t sc_flags;
- int sc_destroying; /* destroying lagg */
- CK_SLIST_HEAD(__tplhd, lagg_port) sc_ports; /* list of interfaces */
- SLIST_ENTRY(lagg_softc) sc_entries;
- eventhandler_tag vlan_attach;
- eventhandler_tag vlan_detach;
- struct callout sc_callout;
- u_int sc_opts;
- int flowid_shift; /* shift the flowid */
- struct lagg_counters detached_counters; /* detached ports sum */
- struct callout sc_watchdog; /* watchdog timer */
- #define LAGG_ADDR_LEN \
- MAX(INFINIBAND_ADDR_LEN, ETHER_ADDR_LEN)
- uint8_t sc_bcast_addr[LAGG_ADDR_LEN];
- };
- struct lagg_port {
- struct ifnet *lp_ifp; /* physical interface */
- struct lagg_softc *lp_softc; /* parent lagg */
- uint8_t lp_lladdr[LAGG_ADDR_LEN];
- u_char lp_iftype; /* interface type */
- uint32_t lp_prio; /* port priority */
- uint32_t lp_flags; /* port flags */
- int lp_ifflags; /* saved ifp flags */
- int lp_ifcapenable; /* saved ifp capenable */
- int lp_ifcapenable2;/* saved ifp capenable2 */
- void *lh_cookie; /* if state hook */
- void *lp_psc; /* protocol data */
- int lp_detaching; /* ifnet is detaching */
- SLIST_HEAD(__mclhd, lagg_mc) lp_mc_head; /* multicast addresses */
- /* Redirected callbacks */
- int (*lp_ioctl)(struct ifnet *, u_long, caddr_t);
- int (*lp_output)(struct ifnet *, struct mbuf *,
- const struct sockaddr *, struct route *);
- struct lagg_counters port_counters; /* ifp counters copy */
- CK_SLIST_ENTRY(lagg_port) lp_entries;
- struct epoch_context lp_epoch_ctx;
- };
- extern struct mbuf *(*lagg_input_ethernet_p)(struct ifnet *, struct mbuf *);
- extern struct mbuf *(*lagg_input_infiniband_p)(struct ifnet *, struct mbuf *);
- extern void (*lagg_linkstate_p)(struct ifnet *, int );
- int lagg_enqueue(struct ifnet *, struct mbuf *);
- SYSCTL_DECL(_net_link_lagg);
- #endif /* _KERNEL */
- #endif /* _NET_LAGG_H */
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