1/* $NetBSD: ieee8023ad_impl.h,v 1.2 2005/12/10 23:21:39 elad Exp $ */
2
3/*-
4 * Copyright (c)2005 YAMAMOTO Takashi,
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
| 1/* $NetBSD: ieee8023ad_impl.h,v 1.2 2005/12/10 23:21:39 elad Exp $ */
2
3/*-
4 * Copyright (c)2005 YAMAMOTO Takashi,
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
|
28 * $FreeBSD: head/sys/net/ieee8023ad_lacp.h 177289 2008-03-17 01:26:44Z thompsa $
| 28 * $FreeBSD: head/sys/net/ieee8023ad_lacp.h 253687 2013-07-26 19:41:13Z adrian $
|
29 */
30
31/*
32 * IEEE802.3ad LACP
33 *
34 * implementation details.
35 */
36
37#define LACP_TIMER_CURRENT_WHILE 0
38#define LACP_TIMER_PERIODIC 1
39#define LACP_TIMER_WAIT_WHILE 2
40#define LACP_NTIMER 3
41
42#define LACP_TIMER_ARM(port, timer, val) \
43 (port)->lp_timer[(timer)] = (val)
44#define LACP_TIMER_DISARM(port, timer) \
45 (port)->lp_timer[(timer)] = 0
46#define LACP_TIMER_ISARMED(port, timer) \
47 ((port)->lp_timer[(timer)] > 0)
48
49/*
50 * IEEE802.3ad LACP
51 *
52 * protocol definitions.
53 */
54
55#define LACP_STATE_ACTIVITY (1<<0)
56#define LACP_STATE_TIMEOUT (1<<1)
57#define LACP_STATE_AGGREGATION (1<<2)
58#define LACP_STATE_SYNC (1<<3)
59#define LACP_STATE_COLLECTING (1<<4)
60#define LACP_STATE_DISTRIBUTING (1<<5)
61#define LACP_STATE_DEFAULTED (1<<6)
62#define LACP_STATE_EXPIRED (1<<7)
63
64#define LACP_PORT_NTT 0x00000001
65#define LACP_PORT_MARK 0x00000002
66
67#define LACP_STATE_BITS \
68 "\020" \
69 "\001ACTIVITY" \
70 "\002TIMEOUT" \
71 "\003AGGREGATION" \
72 "\004SYNC" \
73 "\005COLLECTING" \
74 "\006DISTRIBUTING" \
75 "\007DEFAULTED" \
76 "\010EXPIRED"
77
78/*
79 * IEEE802.3 slow protocols
80 *
81 * protocol (on-wire) definitions.
82 *
83 * XXX should be elsewhere.
84 */
85
86#define SLOWPROTOCOLS_SUBTYPE_LACP 1
87#define SLOWPROTOCOLS_SUBTYPE_MARKER 2
88
89struct slowprothdr {
90 uint8_t sph_subtype;
91 uint8_t sph_version;
92} __packed;
93
94/*
95 * TLV on-wire structure.
96 */
97
98struct tlvhdr {
99 uint8_t tlv_type;
100 uint8_t tlv_length;
101 /* uint8_t tlv_value[]; */
102} __packed;
103
104/*
105 * ... and our implementation.
106 */
107
108#define TLV_SET(tlv, type, length) \
109 do { \
110 (tlv)->tlv_type = (type); \
111 (tlv)->tlv_length = sizeof(*tlv) + (length); \
112 } while (/*CONSTCOND*/0)
113
114struct tlv_template {
115 uint8_t tmpl_type;
116 uint8_t tmpl_length;
117};
118
119struct lacp_systemid {
120 uint16_t lsi_prio;
121 uint8_t lsi_mac[6];
122} __packed;
123
124struct lacp_portid {
125 uint16_t lpi_prio;
126 uint16_t lpi_portno;
127} __packed;
128
129struct lacp_peerinfo {
130 struct lacp_systemid lip_systemid;
131 uint16_t lip_key;
132 struct lacp_portid lip_portid;
133 uint8_t lip_state;
134 uint8_t lip_resv[3];
135} __packed;
136
137struct lacp_collectorinfo {
138 uint16_t lci_maxdelay;
139 uint8_t lci_resv[12];
140} __packed;
141
142struct lacpdu {
143 struct ether_header ldu_eh;
144 struct slowprothdr ldu_sph;
145
146 struct tlvhdr ldu_tlv_actor;
147 struct lacp_peerinfo ldu_actor;
148 struct tlvhdr ldu_tlv_partner;
149 struct lacp_peerinfo ldu_partner;
150 struct tlvhdr ldu_tlv_collector;
151 struct lacp_collectorinfo ldu_collector;
152 struct tlvhdr ldu_tlv_term;
153 uint8_t ldu_resv[50];
154} __packed;
155
156/*
157 * IEEE802.3ad marker protocol
158 *
159 * protocol (on-wire) definitions.
160 */
161struct lacp_markerinfo {
162 uint16_t mi_rq_port;
163 uint8_t mi_rq_system[ETHER_ADDR_LEN];
164 uint32_t mi_rq_xid;
165 uint8_t mi_pad[2];
166} __packed;
167
168struct markerdu {
169 struct ether_header mdu_eh;
170 struct slowprothdr mdu_sph;
171
172 struct tlvhdr mdu_tlv;
173 struct lacp_markerinfo mdu_info;
174 struct tlvhdr mdu_tlv_term;
175 uint8_t mdu_resv[90];
176} __packed;
177
178#define MARKER_TYPE_INFO 0x01
179#define MARKER_TYPE_RESPONSE 0x02
180
181enum lacp_selected {
182 LACP_UNSELECTED,
183 LACP_STANDBY, /* not used in this implementation */
184 LACP_SELECTED,
185};
186
187enum lacp_mux_state {
188 LACP_MUX_DETACHED,
189 LACP_MUX_WAITING,
190 LACP_MUX_ATTACHED,
191 LACP_MUX_COLLECTING,
192 LACP_MUX_DISTRIBUTING,
193};
194
195#define LACP_MAX_PORTS 32
196
197struct lacp_portmap {
198 int pm_count;
199 struct lacp_port *pm_map[LACP_MAX_PORTS];
200};
201
202struct lacp_port {
203 TAILQ_ENTRY(lacp_port) lp_dist_q;
204 LIST_ENTRY(lacp_port) lp_next;
205 struct lacp_softc *lp_lsc;
206 struct lagg_port *lp_lagg;
207 struct ifnet *lp_ifp;
208 struct lacp_peerinfo lp_partner;
209 struct lacp_peerinfo lp_actor;
210 struct lacp_markerinfo lp_marker;
211#define lp_state lp_actor.lip_state
212#define lp_key lp_actor.lip_key
213#define lp_systemid lp_actor.lip_systemid
214 struct timeval lp_last_lacpdu;
215 int lp_lacpdu_sent;
216 enum lacp_mux_state lp_mux_state;
217 enum lacp_selected lp_selected;
218 int lp_flags;
219 u_int lp_media; /* XXX redundant */
220 int lp_timer[LACP_NTIMER];
221 struct ifmultiaddr *lp_ifma;
222
223 struct lacp_aggregator *lp_aggregator;
224};
225
226struct lacp_aggregator {
227 TAILQ_ENTRY(lacp_aggregator) la_q;
228 int la_refcnt; /* num of ports which selected us */
229 int la_nports; /* num of distributing ports */
230 TAILQ_HEAD(, lacp_port) la_ports; /* distributing ports */
231 struct lacp_peerinfo la_partner;
232 struct lacp_peerinfo la_actor;
233 int la_pending; /* number of ports in wait_while */
234};
235
236struct lacp_softc {
237 struct lagg_softc *lsc_softc;
238 struct mtx lsc_mtx;
239 struct lacp_aggregator *lsc_active_aggregator;
240 TAILQ_HEAD(, lacp_aggregator) lsc_aggregators;
241 boolean_t lsc_suppress_distributing;
242 struct callout lsc_transit_callout;
243 struct callout lsc_callout;
244 LIST_HEAD(, lacp_port) lsc_ports;
245 struct lacp_portmap lsc_pmap[2];
246 volatile u_int lsc_activemap;
247 u_int32_t lsc_hashkey;
| 29 */
30
31/*
32 * IEEE802.3ad LACP
33 *
34 * implementation details.
35 */
36
37#define LACP_TIMER_CURRENT_WHILE 0
38#define LACP_TIMER_PERIODIC 1
39#define LACP_TIMER_WAIT_WHILE 2
40#define LACP_NTIMER 3
41
42#define LACP_TIMER_ARM(port, timer, val) \
43 (port)->lp_timer[(timer)] = (val)
44#define LACP_TIMER_DISARM(port, timer) \
45 (port)->lp_timer[(timer)] = 0
46#define LACP_TIMER_ISARMED(port, timer) \
47 ((port)->lp_timer[(timer)] > 0)
48
49/*
50 * IEEE802.3ad LACP
51 *
52 * protocol definitions.
53 */
54
55#define LACP_STATE_ACTIVITY (1<<0)
56#define LACP_STATE_TIMEOUT (1<<1)
57#define LACP_STATE_AGGREGATION (1<<2)
58#define LACP_STATE_SYNC (1<<3)
59#define LACP_STATE_COLLECTING (1<<4)
60#define LACP_STATE_DISTRIBUTING (1<<5)
61#define LACP_STATE_DEFAULTED (1<<6)
62#define LACP_STATE_EXPIRED (1<<7)
63
64#define LACP_PORT_NTT 0x00000001
65#define LACP_PORT_MARK 0x00000002
66
67#define LACP_STATE_BITS \
68 "\020" \
69 "\001ACTIVITY" \
70 "\002TIMEOUT" \
71 "\003AGGREGATION" \
72 "\004SYNC" \
73 "\005COLLECTING" \
74 "\006DISTRIBUTING" \
75 "\007DEFAULTED" \
76 "\010EXPIRED"
77
78/*
79 * IEEE802.3 slow protocols
80 *
81 * protocol (on-wire) definitions.
82 *
83 * XXX should be elsewhere.
84 */
85
86#define SLOWPROTOCOLS_SUBTYPE_LACP 1
87#define SLOWPROTOCOLS_SUBTYPE_MARKER 2
88
89struct slowprothdr {
90 uint8_t sph_subtype;
91 uint8_t sph_version;
92} __packed;
93
94/*
95 * TLV on-wire structure.
96 */
97
98struct tlvhdr {
99 uint8_t tlv_type;
100 uint8_t tlv_length;
101 /* uint8_t tlv_value[]; */
102} __packed;
103
104/*
105 * ... and our implementation.
106 */
107
108#define TLV_SET(tlv, type, length) \
109 do { \
110 (tlv)->tlv_type = (type); \
111 (tlv)->tlv_length = sizeof(*tlv) + (length); \
112 } while (/*CONSTCOND*/0)
113
114struct tlv_template {
115 uint8_t tmpl_type;
116 uint8_t tmpl_length;
117};
118
119struct lacp_systemid {
120 uint16_t lsi_prio;
121 uint8_t lsi_mac[6];
122} __packed;
123
124struct lacp_portid {
125 uint16_t lpi_prio;
126 uint16_t lpi_portno;
127} __packed;
128
129struct lacp_peerinfo {
130 struct lacp_systemid lip_systemid;
131 uint16_t lip_key;
132 struct lacp_portid lip_portid;
133 uint8_t lip_state;
134 uint8_t lip_resv[3];
135} __packed;
136
137struct lacp_collectorinfo {
138 uint16_t lci_maxdelay;
139 uint8_t lci_resv[12];
140} __packed;
141
142struct lacpdu {
143 struct ether_header ldu_eh;
144 struct slowprothdr ldu_sph;
145
146 struct tlvhdr ldu_tlv_actor;
147 struct lacp_peerinfo ldu_actor;
148 struct tlvhdr ldu_tlv_partner;
149 struct lacp_peerinfo ldu_partner;
150 struct tlvhdr ldu_tlv_collector;
151 struct lacp_collectorinfo ldu_collector;
152 struct tlvhdr ldu_tlv_term;
153 uint8_t ldu_resv[50];
154} __packed;
155
156/*
157 * IEEE802.3ad marker protocol
158 *
159 * protocol (on-wire) definitions.
160 */
161struct lacp_markerinfo {
162 uint16_t mi_rq_port;
163 uint8_t mi_rq_system[ETHER_ADDR_LEN];
164 uint32_t mi_rq_xid;
165 uint8_t mi_pad[2];
166} __packed;
167
168struct markerdu {
169 struct ether_header mdu_eh;
170 struct slowprothdr mdu_sph;
171
172 struct tlvhdr mdu_tlv;
173 struct lacp_markerinfo mdu_info;
174 struct tlvhdr mdu_tlv_term;
175 uint8_t mdu_resv[90];
176} __packed;
177
178#define MARKER_TYPE_INFO 0x01
179#define MARKER_TYPE_RESPONSE 0x02
180
181enum lacp_selected {
182 LACP_UNSELECTED,
183 LACP_STANDBY, /* not used in this implementation */
184 LACP_SELECTED,
185};
186
187enum lacp_mux_state {
188 LACP_MUX_DETACHED,
189 LACP_MUX_WAITING,
190 LACP_MUX_ATTACHED,
191 LACP_MUX_COLLECTING,
192 LACP_MUX_DISTRIBUTING,
193};
194
195#define LACP_MAX_PORTS 32
196
197struct lacp_portmap {
198 int pm_count;
199 struct lacp_port *pm_map[LACP_MAX_PORTS];
200};
201
202struct lacp_port {
203 TAILQ_ENTRY(lacp_port) lp_dist_q;
204 LIST_ENTRY(lacp_port) lp_next;
205 struct lacp_softc *lp_lsc;
206 struct lagg_port *lp_lagg;
207 struct ifnet *lp_ifp;
208 struct lacp_peerinfo lp_partner;
209 struct lacp_peerinfo lp_actor;
210 struct lacp_markerinfo lp_marker;
211#define lp_state lp_actor.lip_state
212#define lp_key lp_actor.lip_key
213#define lp_systemid lp_actor.lip_systemid
214 struct timeval lp_last_lacpdu;
215 int lp_lacpdu_sent;
216 enum lacp_mux_state lp_mux_state;
217 enum lacp_selected lp_selected;
218 int lp_flags;
219 u_int lp_media; /* XXX redundant */
220 int lp_timer[LACP_NTIMER];
221 struct ifmultiaddr *lp_ifma;
222
223 struct lacp_aggregator *lp_aggregator;
224};
225
226struct lacp_aggregator {
227 TAILQ_ENTRY(lacp_aggregator) la_q;
228 int la_refcnt; /* num of ports which selected us */
229 int la_nports; /* num of distributing ports */
230 TAILQ_HEAD(, lacp_port) la_ports; /* distributing ports */
231 struct lacp_peerinfo la_partner;
232 struct lacp_peerinfo la_actor;
233 int la_pending; /* number of ports in wait_while */
234};
235
236struct lacp_softc {
237 struct lagg_softc *lsc_softc;
238 struct mtx lsc_mtx;
239 struct lacp_aggregator *lsc_active_aggregator;
240 TAILQ_HEAD(, lacp_aggregator) lsc_aggregators;
241 boolean_t lsc_suppress_distributing;
242 struct callout lsc_transit_callout;
243 struct callout lsc_callout;
244 LIST_HEAD(, lacp_port) lsc_ports;
245 struct lacp_portmap lsc_pmap[2];
246 volatile u_int lsc_activemap;
247 u_int32_t lsc_hashkey;
|
| 248 struct {
249 u_int32_t lsc_rx_test;
250 u_int32_t lsc_tx_test;
251 } lsc_debug;
252 u_int32_t lsc_strict_mode;
|
248};
249
250#define LACP_TYPE_ACTORINFO 1
251#define LACP_TYPE_PARTNERINFO 2
252#define LACP_TYPE_COLLECTORINFO 3
253
254/* timeout values (in sec) */
255#define LACP_FAST_PERIODIC_TIME (1)
256#define LACP_SLOW_PERIODIC_TIME (30)
257#define LACP_SHORT_TIMEOUT_TIME (3 * LACP_FAST_PERIODIC_TIME)
258#define LACP_LONG_TIMEOUT_TIME (3 * LACP_SLOW_PERIODIC_TIME)
259#define LACP_CHURN_DETECTION_TIME (60)
260#define LACP_AGGREGATE_WAIT_TIME (2)
261#define LACP_TRANSIT_DELAY 3000 /* in msec */
262
263#define LACP_STATE_EQ(s1, s2, mask) \
264 ((((s1) ^ (s2)) & (mask)) == 0)
265
266#define LACP_SYS_PRI(peer) (peer).lip_systemid.lsi_prio
267
268#define LACP_PORT(_lp) ((struct lacp_port *)(_lp)->lp_psc)
269#define LACP_SOFTC(_sc) ((struct lacp_softc *)(_sc)->sc_psc)
270
271#define LACP_LOCK_INIT(_lsc) mtx_init(&(_lsc)->lsc_mtx, \
272 "lacp mtx", NULL, MTX_DEF)
273#define LACP_LOCK_DESTROY(_lsc) mtx_destroy(&(_lsc)->lsc_mtx)
274#define LACP_LOCK(_lsc) mtx_lock(&(_lsc)->lsc_mtx)
275#define LACP_UNLOCK(_lsc) mtx_unlock(&(_lsc)->lsc_mtx)
276#define LACP_LOCK_ASSERT(_lsc) mtx_assert(&(_lsc)->lsc_mtx, MA_OWNED)
277
278struct mbuf *lacp_input(struct lagg_port *, struct mbuf *);
279struct lagg_port *lacp_select_tx_port(struct lagg_softc *, struct mbuf *);
280int lacp_attach(struct lagg_softc *);
281int lacp_detach(struct lagg_softc *);
282void lacp_init(struct lagg_softc *);
283void lacp_stop(struct lagg_softc *);
284int lacp_port_create(struct lagg_port *);
285void lacp_port_destroy(struct lagg_port *);
286void lacp_linkstate(struct lagg_port *);
287void lacp_req(struct lagg_softc *, caddr_t);
288void lacp_portreq(struct lagg_port *, caddr_t);
289
290static __inline int
291lacp_isactive(struct lagg_port *lgp)
292{
293 struct lacp_port *lp = LACP_PORT(lgp);
294 struct lacp_softc *lsc = lp->lp_lsc;
295 struct lacp_aggregator *la = lp->lp_aggregator;
296
297 /* This port is joined to the active aggregator */
298 if (la != NULL && la == lsc->lsc_active_aggregator)
299 return (1);
300
301 return (0);
302}
303
304static __inline int
305lacp_iscollecting(struct lagg_port *lgp)
306{
307 struct lacp_port *lp = LACP_PORT(lgp);
308
309 return ((lp->lp_state & LACP_STATE_COLLECTING) != 0);
310}
311
312static __inline int
313lacp_isdistributing(struct lagg_port *lgp)
314{
315 struct lacp_port *lp = LACP_PORT(lgp);
316
317 return ((lp->lp_state & LACP_STATE_DISTRIBUTING) != 0);
318}
319
320/* following constants don't include terminating NUL */
321#define LACP_MACSTR_MAX (2*6 + 5)
322#define LACP_SYSTEMPRIOSTR_MAX (4)
323#define LACP_SYSTEMIDSTR_MAX (LACP_SYSTEMPRIOSTR_MAX + 1 + LACP_MACSTR_MAX)
324#define LACP_PORTPRIOSTR_MAX (4)
325#define LACP_PORTNOSTR_MAX (4)
326#define LACP_PORTIDSTR_MAX (LACP_PORTPRIOSTR_MAX + 1 + LACP_PORTNOSTR_MAX)
327#define LACP_KEYSTR_MAX (4)
328#define LACP_PARTNERSTR_MAX \
329 (1 + LACP_SYSTEMIDSTR_MAX + 1 + LACP_KEYSTR_MAX + 1 \
330 + LACP_PORTIDSTR_MAX + 1)
331#define LACP_LAGIDSTR_MAX \
332 (1 + LACP_PARTNERSTR_MAX + 1 + LACP_PARTNERSTR_MAX + 1)
333#define LACP_STATESTR_MAX (255) /* XXX */
| 253};
254
255#define LACP_TYPE_ACTORINFO 1
256#define LACP_TYPE_PARTNERINFO 2
257#define LACP_TYPE_COLLECTORINFO 3
258
259/* timeout values (in sec) */
260#define LACP_FAST_PERIODIC_TIME (1)
261#define LACP_SLOW_PERIODIC_TIME (30)
262#define LACP_SHORT_TIMEOUT_TIME (3 * LACP_FAST_PERIODIC_TIME)
263#define LACP_LONG_TIMEOUT_TIME (3 * LACP_SLOW_PERIODIC_TIME)
264#define LACP_CHURN_DETECTION_TIME (60)
265#define LACP_AGGREGATE_WAIT_TIME (2)
266#define LACP_TRANSIT_DELAY 3000 /* in msec */
267
268#define LACP_STATE_EQ(s1, s2, mask) \
269 ((((s1) ^ (s2)) & (mask)) == 0)
270
271#define LACP_SYS_PRI(peer) (peer).lip_systemid.lsi_prio
272
273#define LACP_PORT(_lp) ((struct lacp_port *)(_lp)->lp_psc)
274#define LACP_SOFTC(_sc) ((struct lacp_softc *)(_sc)->sc_psc)
275
276#define LACP_LOCK_INIT(_lsc) mtx_init(&(_lsc)->lsc_mtx, \
277 "lacp mtx", NULL, MTX_DEF)
278#define LACP_LOCK_DESTROY(_lsc) mtx_destroy(&(_lsc)->lsc_mtx)
279#define LACP_LOCK(_lsc) mtx_lock(&(_lsc)->lsc_mtx)
280#define LACP_UNLOCK(_lsc) mtx_unlock(&(_lsc)->lsc_mtx)
281#define LACP_LOCK_ASSERT(_lsc) mtx_assert(&(_lsc)->lsc_mtx, MA_OWNED)
282
283struct mbuf *lacp_input(struct lagg_port *, struct mbuf *);
284struct lagg_port *lacp_select_tx_port(struct lagg_softc *, struct mbuf *);
285int lacp_attach(struct lagg_softc *);
286int lacp_detach(struct lagg_softc *);
287void lacp_init(struct lagg_softc *);
288void lacp_stop(struct lagg_softc *);
289int lacp_port_create(struct lagg_port *);
290void lacp_port_destroy(struct lagg_port *);
291void lacp_linkstate(struct lagg_port *);
292void lacp_req(struct lagg_softc *, caddr_t);
293void lacp_portreq(struct lagg_port *, caddr_t);
294
295static __inline int
296lacp_isactive(struct lagg_port *lgp)
297{
298 struct lacp_port *lp = LACP_PORT(lgp);
299 struct lacp_softc *lsc = lp->lp_lsc;
300 struct lacp_aggregator *la = lp->lp_aggregator;
301
302 /* This port is joined to the active aggregator */
303 if (la != NULL && la == lsc->lsc_active_aggregator)
304 return (1);
305
306 return (0);
307}
308
309static __inline int
310lacp_iscollecting(struct lagg_port *lgp)
311{
312 struct lacp_port *lp = LACP_PORT(lgp);
313
314 return ((lp->lp_state & LACP_STATE_COLLECTING) != 0);
315}
316
317static __inline int
318lacp_isdistributing(struct lagg_port *lgp)
319{
320 struct lacp_port *lp = LACP_PORT(lgp);
321
322 return ((lp->lp_state & LACP_STATE_DISTRIBUTING) != 0);
323}
324
325/* following constants don't include terminating NUL */
326#define LACP_MACSTR_MAX (2*6 + 5)
327#define LACP_SYSTEMPRIOSTR_MAX (4)
328#define LACP_SYSTEMIDSTR_MAX (LACP_SYSTEMPRIOSTR_MAX + 1 + LACP_MACSTR_MAX)
329#define LACP_PORTPRIOSTR_MAX (4)
330#define LACP_PORTNOSTR_MAX (4)
331#define LACP_PORTIDSTR_MAX (LACP_PORTPRIOSTR_MAX + 1 + LACP_PORTNOSTR_MAX)
332#define LACP_KEYSTR_MAX (4)
333#define LACP_PARTNERSTR_MAX \
334 (1 + LACP_SYSTEMIDSTR_MAX + 1 + LACP_KEYSTR_MAX + 1 \
335 + LACP_PORTIDSTR_MAX + 1)
336#define LACP_LAGIDSTR_MAX \
337 (1 + LACP_PARTNERSTR_MAX + 1 + LACP_PARTNERSTR_MAX + 1)
338#define LACP_STATESTR_MAX (255) /* XXX */
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