1 /* $OpenBSD: if_trunk.h,v 1.11 2007/01/31 06:20:19 reyk Exp $ */
4 * Copyright (c) 2005, 2006 Reyk Floeter <reyk@openbsd.org>
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
28 #define LAGG_MAX_PORTS 32 /* logically */
29 #define LAGG_MAX_NAMESIZE 32 /* name of a protocol */
30 #define LAGG_MAX_STACKING 4 /* maximum number of stacked laggs */
33 #define LAGG_F_HASHL2 0x00000001 /* hash layer 2 */
34 #define LAGG_F_HASHL3 0x00000002 /* hash layer 3 */
35 #define LAGG_F_HASHL4 0x00000004 /* hash layer 4 */
36 #define LAGG_F_HASHMASK 0x00000007
39 #define LAGG_PORT_SLAVE 0x00000000 /* normal enslaved port */
40 #define LAGG_PORT_MASTER 0x00000001 /* primary port */
41 #define LAGG_PORT_STACK 0x00000002 /* stacked lagg port */
42 #define LAGG_PORT_ACTIVE 0x00000004 /* port is active */
43 #define LAGG_PORT_COLLECTING 0x00000008 /* port is receiving frames */
44 #define LAGG_PORT_DISTRIBUTING 0x00000010 /* port is sending frames */
45 #define LAGG_PORT_DISABLED 0x00000020 /* port is disabled */
46 #define LAGG_PORT_BITS "\20\01MASTER\02STACK\03ACTIVE\04COLLECTING" \
47 "\05DISTRIBUTING\06DISABLED"
49 /* Supported lagg PROTOs */
51 LAGG_PROTO_NONE = 0, /* no lagg protocol defined */
52 LAGG_PROTO_ROUNDROBIN, /* simple round robin */
53 LAGG_PROTO_FAILOVER, /* active failover */
54 LAGG_PROTO_LOADBALANCE, /* loadbalance */
55 LAGG_PROTO_LACP, /* 802.3ad lacp */
56 LAGG_PROTO_ETHERCHANNEL,/* Cisco FEC */
57 LAGG_PROTO_BROADCAST, /* broadcast */
66 #define LAGG_PROTO_DEFAULT LAGG_PROTO_FAILOVER
67 #define LAGG_PROTOS { \
68 { "failover", LAGG_PROTO_FAILOVER }, \
69 { "fec", LAGG_PROTO_ETHERCHANNEL }, \
70 { "lacp", LAGG_PROTO_LACP }, \
71 { "loadbalance", LAGG_PROTO_LOADBALANCE }, \
72 { "roundrobin", LAGG_PROTO_ROUNDROBIN }, \
73 { "broadcast", LAGG_PROTO_BROADCAST }, \
74 { "none", LAGG_PROTO_NONE }, \
75 { "default", LAGG_PROTO_DEFAULT } \
83 * LACP current operational parameters structure.
87 uint8_t actor_mac[ETHER_ADDR_LEN];
89 uint16_t actor_portprio;
90 uint16_t actor_portno;
92 uint16_t partner_prio;
93 uint8_t partner_mac[ETHER_ADDR_LEN];
95 uint16_t partner_portprio;
96 uint16_t partner_portno;
97 uint8_t partner_state;
100 /* lagg port settings */
101 struct lagg_reqport {
102 char rp_ifname[IFNAMSIZ]; /* name of the lagg */
103 char rp_portname[IFNAMSIZ]; /* name of the port */
104 u_int32_t rp_prio; /* port priority */
105 u_int32_t rp_flags; /* port flags */
107 struct lacp_opreq rpsc_lacp;
109 #define rp_lacpreq rp_psc.rpsc_lacp
112 #define SIOCGLAGGPORT _IOWR('i', 140, struct lagg_reqport)
113 #define SIOCSLAGGPORT _IOW('i', 141, struct lagg_reqport)
114 #define SIOCSLAGGDELPORT _IOW('i', 142, struct lagg_reqport)
116 /* lagg, ports and options */
118 char ra_ifname[IFNAMSIZ]; /* name of the lagg */
119 u_int ra_proto; /* lagg protocol */
121 size_t ra_size; /* size of buffer */
122 struct lagg_reqport *ra_port; /* allocated buffer */
123 int ra_ports; /* total port count */
125 struct lacp_opreq rpsc_lacp;
127 #define ra_lacpreq ra_psc.rpsc_lacp
130 #define SIOCGLAGG _IOWR('i', 143, struct lagg_reqall)
131 #define SIOCSLAGG _IOW('i', 144, struct lagg_reqall)
133 struct lagg_reqflags {
134 char rf_ifname[IFNAMSIZ]; /* name of the lagg */
135 uint32_t rf_flags; /* lagg protocol */
138 #define SIOCGLAGGFLAGS _IOWR('i', 145, struct lagg_reqflags)
139 #define SIOCSLAGGHASH _IOW('i', 146, struct lagg_reqflags)
144 * Internal kernel part
147 #define LAGG_PORTACTIVE(_tp) ( \
148 ((_tp)->lp_ifp->if_link_state == LINK_STATE_UP) && \
149 ((_tp)->lp_ifp->if_flags & IFF_UP) \
156 char ifr_name[IFNAMSIZ];
157 struct sockaddr_storage ifr_ss;
162 #define sc_ifflags sc_ifp->if_flags /* flags */
163 #define sc_ifname sc_ifp->if_xname /* name */
164 #define sc_capabilities sc_ifp->if_capabilities /* capabilities */
166 #define IFCAP_LAGG_MASK 0xffff0000 /* private capabilities */
167 #define IFCAP_LAGG_FULLDUPLEX 0x00010000 /* full duplex with >1 ports */
169 /* Private data used by the loadbalancing protocol */
172 struct lagg_port *lb_ports[LAGG_MAX_PORTS];
176 struct sockaddr_dl mc_addr;
177 struct ifmultiaddr *mc_ifma;
178 SLIST_ENTRY(lagg_mc) mc_entries;
181 /* List of interfaces to have the MAC address modified */
183 struct ifnet *llq_ifp;
184 uint8_t llq_lladdr[ETHER_ADDR_LEN];
185 SLIST_ENTRY(lagg_llq) llq_entries;
188 struct lagg_counters {
189 uint64_t val[IFCOUNTER_LAST];
193 struct ifnet *sc_ifp; /* virtual interface */
194 struct rmlock sc_mtx;
195 int sc_proto; /* lagg protocol */
196 u_int sc_count; /* number of ports */
197 u_int sc_active; /* active port count */
198 u_int sc_flapping; /* number of flapping
200 struct lagg_port *sc_primary; /* primary port */
201 struct ifmedia sc_media; /* media config */
202 void *sc_psc; /* protocol data */
203 uint32_t sc_seq; /* sequence counter */
206 SLIST_HEAD(__tplhd, lagg_port) sc_ports; /* list of interfaces */
207 SLIST_ENTRY(lagg_softc) sc_entries;
209 struct task sc_lladdr_task;
210 SLIST_HEAD(__llqhd, lagg_llq) sc_llq_head; /* interfaces to program
212 eventhandler_tag vlan_attach;
213 eventhandler_tag vlan_detach;
214 struct callout sc_callout;
215 struct sysctl_ctx_list ctx; /* sysctl variables */
216 struct sysctl_oid *sc_oid; /* sysctl tree oid */
217 int use_flowid; /* use M_FLOWID */
218 int flowid_shift; /* shift the flowid */
219 struct lagg_counters detached_counters; /* detached ports sum */
223 struct ifnet *lp_ifp; /* physical interface */
224 struct lagg_softc *lp_softc; /* parent lagg */
225 uint8_t lp_lladdr[ETHER_ADDR_LEN];
227 u_char lp_iftype; /* interface type */
228 uint32_t lp_prio; /* port priority */
229 uint32_t lp_flags; /* port flags */
230 int lp_ifflags; /* saved ifp flags */
231 void *lh_cookie; /* if state hook */
232 void *lp_psc; /* protocol data */
233 int lp_detaching; /* ifnet is detaching */
235 SLIST_HEAD(__mclhd, lagg_mc) lp_mc_head; /* multicast addresses */
237 /* Redirected callbacks */
238 int (*lp_ioctl)(struct ifnet *, u_long, caddr_t);
239 int (*lp_output)(struct ifnet *, struct mbuf *,
240 const struct sockaddr *, struct route *);
241 struct lagg_counters port_counters; /* ifp counters copy */
243 SLIST_ENTRY(lagg_port) lp_entries;
246 #define LAGG_LOCK_INIT(_sc) rm_init(&(_sc)->sc_mtx, "if_lagg rmlock")
247 #define LAGG_LOCK_DESTROY(_sc) rm_destroy(&(_sc)->sc_mtx)
248 #define LAGG_RLOCK(_sc, _p) rm_rlock(&(_sc)->sc_mtx, (_p))
249 #define LAGG_WLOCK(_sc) rm_wlock(&(_sc)->sc_mtx)
250 #define LAGG_RUNLOCK(_sc, _p) rm_runlock(&(_sc)->sc_mtx, (_p))
251 #define LAGG_WUNLOCK(_sc) rm_wunlock(&(_sc)->sc_mtx)
252 #define LAGG_RLOCK_ASSERT(_sc) rm_assert(&(_sc)->sc_mtx, RA_RLOCKED)
253 #define LAGG_WLOCK_ASSERT(_sc) rm_assert(&(_sc)->sc_mtx, RA_WLOCKED)
255 extern struct mbuf *(*lagg_input_p)(struct ifnet *, struct mbuf *);
256 extern void (*lagg_linkstate_p)(struct ifnet *, int );
258 int lagg_enqueue(struct ifnet *, struct mbuf *);
259 uint32_t lagg_hashmbuf(struct lagg_softc *, struct mbuf *, uint32_t);
261 SYSCTL_DECL(_net_link_lagg);
265 #endif /* _NET_LAGG_H */