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

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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 175005 2007-12-31 01:16:35Z thompsa $
29 */
30
31/*
32 * IEEE802.3ad LACP
33 *
34 * implementation details.
35 */
36

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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
195struct lacp_port {
196 TAILQ_ENTRY(lacp_port) lp_dist_q;
197 LIST_ENTRY(lacp_port) lp_next;
198 struct lacp_softc *lp_lsc;
199 struct lagg_port *lp_lagg;
200 struct ifnet *lp_ifp;
201 struct lacp_peerinfo lp_partner;
202 struct lacp_peerinfo lp_actor;

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223 TAILQ_HEAD(, lacp_port) la_ports; /* distributing ports */
224 struct lacp_peerinfo la_partner;
225 struct lacp_peerinfo la_actor;
226 int la_pending; /* number of ports in wait_while */
227};
228
229struct lacp_softc {
230 struct lagg_softc *lsc_softc;
231 struct lacp_aggregator *lsc_active_aggregator;
232 TAILQ_HEAD(, lacp_aggregator) lsc_aggregators;
233 boolean_t lsc_suppress_distributing;
234 struct callout lsc_transit_callout;
235 struct callout lsc_callout;
236 LIST_HEAD(, lacp_port) lsc_ports;
237 u_int32_t lsc_hashkey;
238 struct task lsc_qtask;
239 struct ifqueue lsc_queue; /* pdu input queue */
240};
241
242#define LACP_TYPE_ACTORINFO 1
243#define LACP_TYPE_PARTNERINFO 2
244#define LACP_TYPE_COLLECTORINFO 3
245
246/* timeout values (in sec) */
247#define LACP_FAST_PERIODIC_TIME (1)

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255#define LACP_STATE_EQ(s1, s2, mask) \
256 ((((s1) ^ (s2)) & (mask)) == 0)
257
258#define LACP_SYS_PRI(peer) (peer).lip_systemid.lsi_prio
259
260#define LACP_PORT(_lp) ((struct lacp_port *)(_lp)->lp_psc)
261#define LACP_SOFTC(_sc) ((struct lacp_softc *)(_sc)->sc_psc)
262
263struct mbuf *lacp_input(struct lagg_port *, struct mbuf *);
264struct lagg_port *lacp_select_tx_port(struct lagg_softc *, struct mbuf *);
265int lacp_attach(struct lagg_softc *);
266int lacp_detach(struct lagg_softc *);
267void lacp_init(struct lagg_softc *);
268void lacp_stop(struct lagg_softc *);
269int lacp_port_create(struct lagg_port *);
270void lacp_port_destroy(struct lagg_port *);
271void lacp_linkstate(struct lagg_port *);
272int lacp_port_isactive(struct lagg_port *);
273void lacp_req(struct lagg_softc *, caddr_t);
274void lacp_portreq(struct lagg_port *, caddr_t);
275
276/* following constants don't include terminating NUL */
277#define LACP_MACSTR_MAX (2*6 + 5)
278#define LACP_SYSTEMPRIOSTR_MAX (4)
279#define LACP_SYSTEMIDSTR_MAX (LACP_SYSTEMPRIOSTR_MAX + 1 + LACP_MACSTR_MAX)
280#define LACP_PORTPRIOSTR_MAX (4)
281#define LACP_PORTNOSTR_MAX (4)
282#define LACP_PORTIDSTR_MAX (LACP_PORTPRIOSTR_MAX + 1 + LACP_PORTNOSTR_MAX)
283#define LACP_KEYSTR_MAX (4)
284#define LACP_PARTNERSTR_MAX \
285 (1 + LACP_SYSTEMIDSTR_MAX + 1 + LACP_KEYSTR_MAX + 1 \
286 + LACP_PORTIDSTR_MAX + 1)
287#define LACP_LAGIDSTR_MAX \
288 (1 + LACP_PARTNERSTR_MAX + 1 + LACP_PARTNERSTR_MAX + 1)
289#define LACP_STATESTR_MAX (255) /* XXX */