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 */
50 #define LAGG_PROTO_NONE 0 /* no lagg protocol defined */
51 #define LAGG_PROTO_ROUNDROBIN 1 /* simple round robin */
52 #define LAGG_PROTO_FAILOVER 2 /* active failover */
53 #define LAGG_PROTO_LOADBALANCE 3 /* loadbalance */
54 #define LAGG_PROTO_LACP 4 /* 802.3ad lacp */
55 #define LAGG_PROTO_ETHERCHANNEL 5 /* Cisco FEC */
56 #define LAGG_PROTO_MAX 6
63 #define LAGG_PROTO_DEFAULT LAGG_PROTO_FAILOVER
64 #define LAGG_PROTOS { \
65 { "failover", LAGG_PROTO_FAILOVER }, \
66 { "fec", LAGG_PROTO_ETHERCHANNEL }, \
67 { "lacp", LAGG_PROTO_LACP }, \
68 { "loadbalance", LAGG_PROTO_LOADBALANCE }, \
69 { "roundrobin", LAGG_PROTO_ROUNDROBIN }, \
70 { "none", LAGG_PROTO_NONE }, \
71 { "default", LAGG_PROTO_DEFAULT } \
79 * LACP current operational parameters structure.
83 uint8_t actor_mac[ETHER_ADDR_LEN];
85 uint16_t actor_portprio;
86 uint16_t actor_portno;
88 uint16_t partner_prio;
89 uint8_t partner_mac[ETHER_ADDR_LEN];
91 uint16_t partner_portprio;
92 uint16_t partner_portno;
93 uint8_t partner_state;
96 /* lagg port settings */
98 char rp_ifname[IFNAMSIZ]; /* name of the lagg */
99 char rp_portname[IFNAMSIZ]; /* name of the port */
100 u_int32_t rp_prio; /* port priority */
101 u_int32_t rp_flags; /* port flags */
103 struct lacp_opreq rpsc_lacp;
105 #define rp_lacpreq rp_psc.rpsc_lacp
108 #define SIOCGLAGGPORT _IOWR('i', 140, struct lagg_reqport)
109 #define SIOCSLAGGPORT _IOW('i', 141, struct lagg_reqport)
110 #define SIOCSLAGGDELPORT _IOW('i', 142, struct lagg_reqport)
112 /* lagg, ports and options */
114 char ra_ifname[IFNAMSIZ]; /* name of the lagg */
115 u_int ra_proto; /* lagg protocol */
117 size_t ra_size; /* size of buffer */
118 struct lagg_reqport *ra_port; /* allocated buffer */
119 int ra_ports; /* total port count */
121 struct lacp_opreq rpsc_lacp;
123 #define ra_lacpreq ra_psc.rpsc_lacp
126 #define SIOCGLAGG _IOWR('i', 143, struct lagg_reqall)
127 #define SIOCSLAGG _IOW('i', 144, struct lagg_reqall)
129 struct lagg_reqflags {
130 char rf_ifname[IFNAMSIZ]; /* name of the lagg */
131 uint32_t rf_flags; /* lagg protocol */
134 #define SIOCGLAGGFLAGS _IOWR('i', 145, struct lagg_reqflags)
135 #define SIOCSLAGGHASH _IOW('i', 146, struct lagg_reqflags)
139 #include <sys/counter.h>
142 * Internal kernel part
145 #define lp_ifname lp_ifp->if_xname /* interface name */
146 #define lp_link_state lp_ifp->if_link_state /* link state */
148 #define LAGG_PORTACTIVE(_tp) ( \
149 ((_tp)->lp_link_state == LINK_STATE_UP) && \
150 ((_tp)->lp_ifp->if_flags & IFF_UP) \
157 char ifr_name[IFNAMSIZ];
158 struct sockaddr_storage ifr_ss;
163 #define sc_ifflags sc_ifp->if_flags /* flags */
164 #define sc_ifname sc_ifp->if_xname /* name */
165 #define sc_capabilities sc_ifp->if_capabilities /* capabilities */
167 #define IFCAP_LAGG_MASK 0xffff0000 /* private capabilities */
168 #define IFCAP_LAGG_FULLDUPLEX 0x00010000 /* full duplex with >1 ports */
170 /* Private data used by the loadbalancing protocol */
173 struct lagg_port *lb_ports[LAGG_MAX_PORTS];
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;
189 struct ifnet *sc_ifp; /* virtual interface */
190 struct rmlock sc_mtx;
191 struct mtx sc_call_mtx;
192 int sc_proto; /* lagg protocol */
193 u_int sc_count; /* number of ports */
194 u_int sc_active; /* active port count */
195 u_int sc_flapping; /* number of flapping
197 struct lagg_port *sc_primary; /* primary port */
198 struct ifmedia sc_media; /* media config */
199 caddr_t sc_psc; /* protocol data */
200 uint32_t sc_seq; /* sequence counter */
203 counter_u64_t sc_ipackets;
204 counter_u64_t sc_opackets;
205 counter_u64_t sc_ibytes;
206 counter_u64_t sc_obytes;
208 SLIST_HEAD(__tplhd, lagg_port) sc_ports; /* list of interfaces */
209 SLIST_ENTRY(lagg_softc) sc_entries;
211 struct task sc_lladdr_task;
212 SLIST_HEAD(__llqhd, lagg_llq) sc_llq_head; /* interfaces to program
215 /* lagg protocol callbacks */
216 int (*sc_detach)(struct lagg_softc *);
217 int (*sc_start)(struct lagg_softc *, struct mbuf *);
218 struct mbuf *(*sc_input)(struct lagg_softc *, struct lagg_port *,
220 int (*sc_port_create)(struct lagg_port *);
221 void (*sc_port_destroy)(struct lagg_port *);
222 void (*sc_linkstate)(struct lagg_port *);
223 void (*sc_init)(struct lagg_softc *);
224 void (*sc_stop)(struct lagg_softc *);
225 void (*sc_lladdr)(struct lagg_softc *);
226 void (*sc_req)(struct lagg_softc *, caddr_t);
227 void (*sc_portreq)(struct lagg_port *, caddr_t);
228 eventhandler_tag vlan_attach;
229 eventhandler_tag vlan_detach;
230 struct callout sc_callout;
231 struct sysctl_ctx_list ctx; /* sysctl variables */
232 struct sysctl_oid *sc_oid; /* sysctl tree oid */
233 int use_flowid; /* use M_FLOWID */
237 struct ifnet *lp_ifp; /* physical interface */
238 struct lagg_softc *lp_softc; /* parent lagg */
239 uint8_t lp_lladdr[ETHER_ADDR_LEN];
241 u_char lp_iftype; /* interface type */
242 uint32_t lp_prio; /* port priority */
243 uint32_t lp_flags; /* port flags */
244 int lp_ifflags; /* saved ifp flags */
245 void *lh_cookie; /* if state hook */
246 caddr_t lp_psc; /* protocol data */
247 int lp_detaching; /* ifnet is detaching */
249 SLIST_HEAD(__mclhd, lagg_mc) lp_mc_head; /* multicast addresses */
251 /* Redirected callbacks */
252 int (*lp_ioctl)(struct ifnet *, u_long, caddr_t);
253 int (*lp_output)(struct ifnet *, struct mbuf *,
254 const struct sockaddr *, struct route *);
256 SLIST_ENTRY(lagg_port) lp_entries;
259 #define LAGG_LOCK_INIT(_sc) rm_init(&(_sc)->sc_mtx, "if_lagg rmlock")
260 #define LAGG_LOCK_DESTROY(_sc) rm_destroy(&(_sc)->sc_mtx)
261 #define LAGG_RLOCK(_sc, _p) rm_rlock(&(_sc)->sc_mtx, (_p))
262 #define LAGG_WLOCK(_sc) rm_wlock(&(_sc)->sc_mtx)
263 #define LAGG_RUNLOCK(_sc, _p) rm_runlock(&(_sc)->sc_mtx, (_p))
264 #define LAGG_WUNLOCK(_sc) rm_wunlock(&(_sc)->sc_mtx)
265 #define LAGG_RLOCK_ASSERT(_sc) rm_assert(&(_sc)->sc_mtx, RA_RLOCKED)
266 #define LAGG_WLOCK_ASSERT(_sc) rm_assert(&(_sc)->sc_mtx, RA_WLOCKED)
268 #define LAGG_CALLOUT_LOCK_INIT(_sc) \
269 mtx_init(&(_sc)->sc_call_mtx, "if_lagg callout mutex", NULL,\
271 #define LAGG_CALLOUT_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_call_mtx)
273 extern struct mbuf *(*lagg_input_p)(struct ifnet *, struct mbuf *);
274 extern void (*lagg_linkstate_p)(struct ifnet *, int );
276 int lagg_enqueue(struct ifnet *, struct mbuf *);
277 uint32_t lagg_hashmbuf(struct lagg_softc *, struct mbuf *, uint32_t);
279 SYSCTL_DECL(_net_link_lagg);
283 #endif /* _NET_LAGG_H */