128 lines
4.1 KiB
C
128 lines
4.1 KiB
C
/* $NetBSD: ieee8023ad_lacp_impl.h,v 1.3 2005/12/10 23:21:39 elad Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c)2005 YAMAMOTO Takashi,
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _NET_AGR_IEEE8023AD_LACP_IMPL_H_
|
|
#define _NET_AGR_IEEE8023AD_LACP_IMPL_H_
|
|
|
|
/*
|
|
* IEEE802.3ad LACP
|
|
*
|
|
* implementation details.
|
|
*/
|
|
|
|
#define LACP_TIMER_CURRENT_WHILE 0
|
|
#define LACP_TIMER_PERIODIC 1
|
|
#define LACP_TIMER_WAIT_WHILE 2
|
|
#define LACP_NTIMER 3
|
|
|
|
#define LACP_TIMER_ARM(port, timer, val) \
|
|
(port)->lp_timer[(timer)] = (val)
|
|
#define LACP_TIMER_DISARM(port, timer) \
|
|
(port)->lp_timer[(timer)] = 0
|
|
#define LACP_TIMER_ISARMED(port, timer) \
|
|
((port)->lp_timer[(timer)] > 0)
|
|
|
|
struct lacp_aggregator {
|
|
TAILQ_ENTRY(lacp_aggregator) la_q;
|
|
int la_refcnt; /* number of ports which selected us */
|
|
int la_nports; /* number of distributing ports */
|
|
TAILQ_HEAD(, lacp_port) la_ports; /* distributing ports */
|
|
struct lacp_peerinfo la_partner;
|
|
struct lacp_peerinfo la_actor;
|
|
int la_pending; /* number of ports which is waiting wait_while */
|
|
};
|
|
|
|
struct lacp_softc {
|
|
struct lacp_aggregator *lsc_active_aggregator;
|
|
TAILQ_HEAD(, lacp_aggregator) lsc_aggregators;
|
|
boolean_t lsc_suppress_distributing;
|
|
struct callout lsc_transit_callout;
|
|
};
|
|
|
|
#define LACP_TRANSIT_DELAY 1000 /* in msec */
|
|
|
|
enum lacp_selected {
|
|
LACP_UNSELECTED,
|
|
LACP_STANDBY, /* not used in this implementation */
|
|
LACP_SELECTED,
|
|
};
|
|
|
|
enum lacp_mux_state {
|
|
LACP_MUX_DETACHED,
|
|
LACP_MUX_WAITING,
|
|
LACP_MUX_ATTACHED,
|
|
LACP_MUX_COLLECTING,
|
|
LACP_MUX_DISTRIBUTING,
|
|
};
|
|
|
|
struct lacp_port {
|
|
TAILQ_ENTRY(lacp_port) lp_dist_q;
|
|
struct agr_port *lp_agrport;
|
|
struct lacp_peerinfo lp_partner;
|
|
struct lacp_peerinfo lp_actor;
|
|
#define lp_state lp_actor.lip_state
|
|
#define lp_key lp_actor.lip_key
|
|
int lp_last_lacpdu_sent;
|
|
enum lacp_mux_state lp_mux_state;
|
|
enum lacp_selected lp_selected;
|
|
int lp_flags;
|
|
u_int lp_media; /* XXX redundant */
|
|
int lp_timer[LACP_NTIMER];
|
|
|
|
struct lacp_aggregator *lp_aggregator;
|
|
};
|
|
|
|
#define LACPPORT_NTT 1 /* need to transmit */
|
|
|
|
#define LACP_SOFTC(sc) \
|
|
(&IEEE8023AD_SOFTC(sc)->isc_lacpsc)
|
|
#define LACP_PORT(port) \
|
|
(&IEEE8023AD_PORT(port)->iport_lacpport)
|
|
|
|
void lacp_run_timers(struct lacp_port *);
|
|
void lacp_portinit(struct agr_port *);
|
|
void lacp_portfini(struct agr_port *);
|
|
int lacp_compare_peerinfo(const struct lacp_peerinfo *,
|
|
const struct lacp_peerinfo *);
|
|
int lacp_compare_systemid(const struct lacp_systemid *,
|
|
const struct lacp_systemid *);
|
|
int lacp_compare_portid(const struct lacp_portid *,
|
|
const struct lacp_portid *);
|
|
|
|
void lacp_select(struct lacp_port *);
|
|
void lacp_unselect(struct lacp_port *);
|
|
|
|
void lacp_disable_collecting(struct lacp_port *);
|
|
void lacp_enable_collecting(struct lacp_port *);
|
|
void lacp_disable_distributing(struct lacp_port *);
|
|
void lacp_enable_distributing(struct lacp_port *);
|
|
|
|
int lacp_xmit_lacpdu(struct lacp_port *);
|
|
|
|
#endif /* !_NET_AGR_IEEE8023AD_LACP_IMPL_H_ */
|