1/* $OpenBSD: if_trunk.h,v 1.11 2007/01/31 06:20:19 reyk Exp $ */
2
3/*
4 * Copyright (c) 2005, 2006 Reyk Floeter <reyk@openbsd.org>
5 *
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.
9 *
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.
17 *
| 1/* $OpenBSD: if_trunk.h,v 1.11 2007/01/31 06:20:19 reyk Exp $ */
2
3/*
4 * Copyright (c) 2005, 2006 Reyk Floeter <reyk@openbsd.org>
5 *
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.
9 *
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.
17 *
|
62};
63
64#define LAGG_PROTO_DEFAULT LAGG_PROTO_FAILOVER
65#define LAGG_PROTOS { \
66 { "failover", LAGG_PROTO_FAILOVER }, \
67 { "fec", LAGG_PROTO_ETHERCHANNEL }, \
68 { "lacp", LAGG_PROTO_LACP }, \
69 { "loadbalance", LAGG_PROTO_LOADBALANCE }, \
70 { "roundrobin", LAGG_PROTO_ROUNDROBIN }, \
71 { "broadcast", LAGG_PROTO_BROADCAST }, \
72 { "none", LAGG_PROTO_NONE }, \
73 { "default", LAGG_PROTO_DEFAULT } \
74}
75
76/*
77 * lagg ioctls.
78 */
79
80/*
81 * LACP current operational parameters structure.
82 */
83struct lacp_opreq {
84 uint16_t actor_prio;
85 uint8_t actor_mac[ETHER_ADDR_LEN];
86 uint16_t actor_key;
87 uint16_t actor_portprio;
88 uint16_t actor_portno;
89 uint8_t actor_state;
90 uint16_t partner_prio;
91 uint8_t partner_mac[ETHER_ADDR_LEN];
92 uint16_t partner_key;
93 uint16_t partner_portprio;
94 uint16_t partner_portno;
95 uint8_t partner_state;
96};
97
98/* lagg port settings */
99struct lagg_reqport {
100 char rp_ifname[IFNAMSIZ]; /* name of the lagg */
101 char rp_portname[IFNAMSIZ]; /* name of the port */
102 u_int32_t rp_prio; /* port priority */
103 u_int32_t rp_flags; /* port flags */
104 union {
105 struct lacp_opreq rpsc_lacp;
106 } rp_psc;
107#define rp_lacpreq rp_psc.rpsc_lacp
108};
109
110#define SIOCGLAGGPORT _IOWR('i', 140, struct lagg_reqport)
111#define SIOCSLAGGPORT _IOW('i', 141, struct lagg_reqport)
112#define SIOCSLAGGDELPORT _IOW('i', 142, struct lagg_reqport)
113
114/* lagg, ports and options */
115struct lagg_reqall {
116 char ra_ifname[IFNAMSIZ]; /* name of the lagg */
117 u_int ra_proto; /* lagg protocol */
118
119 size_t ra_size; /* size of buffer */
120 struct lagg_reqport *ra_port; /* allocated buffer */
121 int ra_ports; /* total port count */
122 union {
123 struct lacp_opreq rpsc_lacp;
124 } ra_psc;
125#define ra_lacpreq ra_psc.rpsc_lacp
126};
127
128#define SIOCGLAGG _IOWR('i', 143, struct lagg_reqall)
129#define SIOCSLAGG _IOW('i', 144, struct lagg_reqall)
130
131struct lagg_reqflags {
132 char rf_ifname[IFNAMSIZ]; /* name of the lagg */
133 uint32_t rf_flags; /* lagg protocol */
134};
135
136#define SIOCGLAGGFLAGS _IOWR('i', 145, struct lagg_reqflags)
137#define SIOCSLAGGHASH _IOW('i', 146, struct lagg_reqflags)
138
139#ifdef _KERNEL
140
141#include <sys/counter.h>
142
143/*
144 * Internal kernel part
145 */
146
147#define lp_ifname lp_ifp->if_xname /* interface name */
148#define lp_link_state lp_ifp->if_link_state /* link state */
149
150#define LAGG_PORTACTIVE(_tp) ( \
151 ((_tp)->lp_link_state == LINK_STATE_UP) && \
152 ((_tp)->lp_ifp->if_flags & IFF_UP) \
153)
154
155struct lagg_ifreq {
156 union {
157 struct ifreq ifreq;
158 struct {
159 char ifr_name[IFNAMSIZ];
160 struct sockaddr_storage ifr_ss;
161 } ifreq_storage;
162 } ifreq;
163};
164
165#define sc_ifflags sc_ifp->if_flags /* flags */
166#define sc_ifname sc_ifp->if_xname /* name */
167#define sc_capabilities sc_ifp->if_capabilities /* capabilities */
168
169#define IFCAP_LAGG_MASK 0xffff0000 /* private capabilities */
170#define IFCAP_LAGG_FULLDUPLEX 0x00010000 /* full duplex with >1 ports */
171
172/* Private data used by the loadbalancing protocol */
173struct lagg_lb {
174 u_int32_t lb_key;
175 struct lagg_port *lb_ports[LAGG_MAX_PORTS];
176};
177
178struct lagg_mc {
179 struct sockaddr_dl mc_addr;
180 struct ifmultiaddr *mc_ifma;
181 SLIST_ENTRY(lagg_mc) mc_entries;
182};
183
184/* List of interfaces to have the MAC address modified */
185struct lagg_llq {
186 struct ifnet *llq_ifp;
187 uint8_t llq_lladdr[ETHER_ADDR_LEN];
188 SLIST_ENTRY(lagg_llq) llq_entries;
189};
190
191struct lagg_softc {
192 struct ifnet *sc_ifp; /* virtual interface */
193 struct rmlock sc_mtx;
194 struct mtx sc_call_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
199 * events */
200 struct lagg_port *sc_primary; /* primary port */
201 struct ifmedia sc_media; /* media config */
202 caddr_t sc_psc; /* protocol data */
203 uint32_t sc_seq; /* sequence counter */
204 uint32_t sc_flags;
205
206 counter_u64_t sc_ipackets;
207 counter_u64_t sc_opackets;
208 counter_u64_t sc_ibytes;
209 counter_u64_t sc_obytes;
210
211 SLIST_HEAD(__tplhd, lagg_port) sc_ports; /* list of interfaces */
212 SLIST_ENTRY(lagg_softc) sc_entries;
213
214 struct task sc_lladdr_task;
215 SLIST_HEAD(__llqhd, lagg_llq) sc_llq_head; /* interfaces to program
216 the lladdr on */
217
218 /* lagg protocol callbacks */
219 void (*sc_detach)(struct lagg_softc *);
220 int (*sc_start)(struct lagg_softc *, struct mbuf *);
221 struct mbuf *(*sc_input)(struct lagg_softc *, struct lagg_port *,
222 struct mbuf *);
223 int (*sc_port_create)(struct lagg_port *);
224 void (*sc_port_destroy)(struct lagg_port *);
225 void (*sc_linkstate)(struct lagg_port *);
226 void (*sc_init)(struct lagg_softc *);
227 void (*sc_stop)(struct lagg_softc *);
228 void (*sc_lladdr)(struct lagg_softc *);
229 void (*sc_req)(struct lagg_softc *, caddr_t);
230 void (*sc_portreq)(struct lagg_port *, caddr_t);
231 eventhandler_tag vlan_attach;
232 eventhandler_tag vlan_detach;
233 struct callout sc_callout;
234 struct sysctl_ctx_list ctx; /* sysctl variables */
235 struct sysctl_oid *sc_oid; /* sysctl tree oid */
236 int use_flowid; /* use M_FLOWID */
237 int flowid_shift; /* shift the flowid */
238};
239
240struct lagg_port {
241 struct ifnet *lp_ifp; /* physical interface */
242 struct lagg_softc *lp_softc; /* parent lagg */
243 uint8_t lp_lladdr[ETHER_ADDR_LEN];
244
245 u_char lp_iftype; /* interface type */
246 uint32_t lp_prio; /* port priority */
247 uint32_t lp_flags; /* port flags */
248 int lp_ifflags; /* saved ifp flags */
249 void *lh_cookie; /* if state hook */
250 caddr_t lp_psc; /* protocol data */
251 int lp_detaching; /* ifnet is detaching */
252
253 SLIST_HEAD(__mclhd, lagg_mc) lp_mc_head; /* multicast addresses */
254
255 /* Redirected callbacks */
256 int (*lp_ioctl)(struct ifnet *, u_long, caddr_t);
257 int (*lp_output)(struct ifnet *, struct mbuf *,
258 const struct sockaddr *, struct route *);
259
260 SLIST_ENTRY(lagg_port) lp_entries;
261};
262
263#define LAGG_LOCK_INIT(_sc) rm_init(&(_sc)->sc_mtx, "if_lagg rmlock")
264#define LAGG_LOCK_DESTROY(_sc) rm_destroy(&(_sc)->sc_mtx)
265#define LAGG_RLOCK(_sc, _p) rm_rlock(&(_sc)->sc_mtx, (_p))
266#define LAGG_WLOCK(_sc) rm_wlock(&(_sc)->sc_mtx)
267#define LAGG_RUNLOCK(_sc, _p) rm_runlock(&(_sc)->sc_mtx, (_p))
268#define LAGG_WUNLOCK(_sc) rm_wunlock(&(_sc)->sc_mtx)
269#define LAGG_RLOCK_ASSERT(_sc) rm_assert(&(_sc)->sc_mtx, RA_RLOCKED)
270#define LAGG_WLOCK_ASSERT(_sc) rm_assert(&(_sc)->sc_mtx, RA_WLOCKED)
271
272#define LAGG_CALLOUT_LOCK_INIT(_sc) \
273 mtx_init(&(_sc)->sc_call_mtx, "if_lagg callout mutex", NULL,\
274 MTX_DEF)
275#define LAGG_CALLOUT_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_call_mtx)
276
277extern struct mbuf *(*lagg_input_p)(struct ifnet *, struct mbuf *);
278extern void (*lagg_linkstate_p)(struct ifnet *, int );
279
280int lagg_enqueue(struct ifnet *, struct mbuf *);
281uint32_t lagg_hashmbuf(struct lagg_softc *, struct mbuf *, uint32_t);
282
283SYSCTL_DECL(_net_link_lagg);
284
285#endif /* _KERNEL */
286
287#endif /* _NET_LAGG_H */
| 64};
65
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 } \
76}
77
78/*
79 * lagg ioctls.
80 */
81
82/*
83 * LACP current operational parameters structure.
84 */
85struct lacp_opreq {
86 uint16_t actor_prio;
87 uint8_t actor_mac[ETHER_ADDR_LEN];
88 uint16_t actor_key;
89 uint16_t actor_portprio;
90 uint16_t actor_portno;
91 uint8_t actor_state;
92 uint16_t partner_prio;
93 uint8_t partner_mac[ETHER_ADDR_LEN];
94 uint16_t partner_key;
95 uint16_t partner_portprio;
96 uint16_t partner_portno;
97 uint8_t partner_state;
98};
99
100/* lagg port settings */
101struct 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 */
106 union {
107 struct lacp_opreq rpsc_lacp;
108 } rp_psc;
109#define rp_lacpreq rp_psc.rpsc_lacp
110};
111
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)
115
116/* lagg, ports and options */
117struct lagg_reqall {
118 char ra_ifname[IFNAMSIZ]; /* name of the lagg */
119 u_int ra_proto; /* lagg protocol */
120
121 size_t ra_size; /* size of buffer */
122 struct lagg_reqport *ra_port; /* allocated buffer */
123 int ra_ports; /* total port count */
124 union {
125 struct lacp_opreq rpsc_lacp;
126 } ra_psc;
127#define ra_lacpreq ra_psc.rpsc_lacp
128};
129
130#define SIOCGLAGG _IOWR('i', 143, struct lagg_reqall)
131#define SIOCSLAGG _IOW('i', 144, struct lagg_reqall)
132
133struct lagg_reqflags {
134 char rf_ifname[IFNAMSIZ]; /* name of the lagg */
135 uint32_t rf_flags; /* lagg protocol */
136};
137
138#define SIOCGLAGGFLAGS _IOWR('i', 145, struct lagg_reqflags)
139#define SIOCSLAGGHASH _IOW('i', 146, struct lagg_reqflags)
140
141#ifdef _KERNEL
142
143#include <sys/counter.h>
144
145/*
146 * Internal kernel part
147 */
148
149#define lp_ifname lp_ifp->if_xname /* interface name */
150#define lp_link_state lp_ifp->if_link_state /* link state */
151
152#define LAGG_PORTACTIVE(_tp) ( \
153 ((_tp)->lp_link_state == LINK_STATE_UP) && \
154 ((_tp)->lp_ifp->if_flags & IFF_UP) \
155)
156
157struct lagg_ifreq {
158 union {
159 struct ifreq ifreq;
160 struct {
161 char ifr_name[IFNAMSIZ];
162 struct sockaddr_storage ifr_ss;
163 } ifreq_storage;
164 } ifreq;
165};
166
167#define sc_ifflags sc_ifp->if_flags /* flags */
168#define sc_ifname sc_ifp->if_xname /* name */
169#define sc_capabilities sc_ifp->if_capabilities /* capabilities */
170
171#define IFCAP_LAGG_MASK 0xffff0000 /* private capabilities */
172#define IFCAP_LAGG_FULLDUPLEX 0x00010000 /* full duplex with >1 ports */
173
174/* Private data used by the loadbalancing protocol */
175struct lagg_lb {
176 u_int32_t lb_key;
177 struct lagg_port *lb_ports[LAGG_MAX_PORTS];
178};
179
180struct lagg_mc {
181 struct sockaddr_dl mc_addr;
182 struct ifmultiaddr *mc_ifma;
183 SLIST_ENTRY(lagg_mc) mc_entries;
184};
185
186/* List of interfaces to have the MAC address modified */
187struct lagg_llq {
188 struct ifnet *llq_ifp;
189 uint8_t llq_lladdr[ETHER_ADDR_LEN];
190 SLIST_ENTRY(lagg_llq) llq_entries;
191};
192
193struct lagg_softc {
194 struct ifnet *sc_ifp; /* virtual interface */
195 struct rmlock sc_mtx;
196 struct mtx sc_call_mtx;
197 int sc_proto; /* lagg protocol */
198 u_int sc_count; /* number of ports */
199 u_int sc_active; /* active port count */
200 u_int sc_flapping; /* number of flapping
201 * events */
202 struct lagg_port *sc_primary; /* primary port */
203 struct ifmedia sc_media; /* media config */
204 caddr_t sc_psc; /* protocol data */
205 uint32_t sc_seq; /* sequence counter */
206 uint32_t sc_flags;
207
208 counter_u64_t sc_ipackets;
209 counter_u64_t sc_opackets;
210 counter_u64_t sc_ibytes;
211 counter_u64_t sc_obytes;
212
213 SLIST_HEAD(__tplhd, lagg_port) sc_ports; /* list of interfaces */
214 SLIST_ENTRY(lagg_softc) sc_entries;
215
216 struct task sc_lladdr_task;
217 SLIST_HEAD(__llqhd, lagg_llq) sc_llq_head; /* interfaces to program
218 the lladdr on */
219
220 /* lagg protocol callbacks */
221 void (*sc_detach)(struct lagg_softc *);
222 int (*sc_start)(struct lagg_softc *, struct mbuf *);
223 struct mbuf *(*sc_input)(struct lagg_softc *, struct lagg_port *,
224 struct mbuf *);
225 int (*sc_port_create)(struct lagg_port *);
226 void (*sc_port_destroy)(struct lagg_port *);
227 void (*sc_linkstate)(struct lagg_port *);
228 void (*sc_init)(struct lagg_softc *);
229 void (*sc_stop)(struct lagg_softc *);
230 void (*sc_lladdr)(struct lagg_softc *);
231 void (*sc_req)(struct lagg_softc *, caddr_t);
232 void (*sc_portreq)(struct lagg_port *, caddr_t);
233 eventhandler_tag vlan_attach;
234 eventhandler_tag vlan_detach;
235 struct callout sc_callout;
236 struct sysctl_ctx_list ctx; /* sysctl variables */
237 struct sysctl_oid *sc_oid; /* sysctl tree oid */
238 int use_flowid; /* use M_FLOWID */
239 int flowid_shift; /* shift the flowid */
240};
241
242struct lagg_port {
243 struct ifnet *lp_ifp; /* physical interface */
244 struct lagg_softc *lp_softc; /* parent lagg */
245 uint8_t lp_lladdr[ETHER_ADDR_LEN];
246
247 u_char lp_iftype; /* interface type */
248 uint32_t lp_prio; /* port priority */
249 uint32_t lp_flags; /* port flags */
250 int lp_ifflags; /* saved ifp flags */
251 void *lh_cookie; /* if state hook */
252 caddr_t lp_psc; /* protocol data */
253 int lp_detaching; /* ifnet is detaching */
254
255 SLIST_HEAD(__mclhd, lagg_mc) lp_mc_head; /* multicast addresses */
256
257 /* Redirected callbacks */
258 int (*lp_ioctl)(struct ifnet *, u_long, caddr_t);
259 int (*lp_output)(struct ifnet *, struct mbuf *,
260 const struct sockaddr *, struct route *);
261
262 SLIST_ENTRY(lagg_port) lp_entries;
263};
264
265#define LAGG_LOCK_INIT(_sc) rm_init(&(_sc)->sc_mtx, "if_lagg rmlock")
266#define LAGG_LOCK_DESTROY(_sc) rm_destroy(&(_sc)->sc_mtx)
267#define LAGG_RLOCK(_sc, _p) rm_rlock(&(_sc)->sc_mtx, (_p))
268#define LAGG_WLOCK(_sc) rm_wlock(&(_sc)->sc_mtx)
269#define LAGG_RUNLOCK(_sc, _p) rm_runlock(&(_sc)->sc_mtx, (_p))
270#define LAGG_WUNLOCK(_sc) rm_wunlock(&(_sc)->sc_mtx)
271#define LAGG_RLOCK_ASSERT(_sc) rm_assert(&(_sc)->sc_mtx, RA_RLOCKED)
272#define LAGG_WLOCK_ASSERT(_sc) rm_assert(&(_sc)->sc_mtx, RA_WLOCKED)
273
274#define LAGG_CALLOUT_LOCK_INIT(_sc) \
275 mtx_init(&(_sc)->sc_call_mtx, "if_lagg callout mutex", NULL,\
276 MTX_DEF)
277#define LAGG_CALLOUT_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_call_mtx)
278
279extern struct mbuf *(*lagg_input_p)(struct ifnet *, struct mbuf *);
280extern void (*lagg_linkstate_p)(struct ifnet *, int );
281
282int lagg_enqueue(struct ifnet *, struct mbuf *);
283uint32_t lagg_hashmbuf(struct lagg_softc *, struct mbuf *, uint32_t);
284
285SYSCTL_DECL(_net_link_lagg);
286
287#endif /* _KERNEL */
288
289#endif /* _NET_LAGG_H */
|