1/*	$NetBSD: ieee8023ad_lacp_timer.c,v 1.6 2021/11/30 01:17:02 yamaguchi 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
29#include <sys/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: ieee8023ad_lacp_timer.c,v 1.6 2021/11/30 01:17:02 yamaguchi Exp $");
31
32#include <sys/param.h>
33#include <sys/callout.h>
34#include <sys/systm.h>
35
36#include <net/if.h>
37#include <net/if_ether.h>
38#include <net/ether_slowprotocols.h>
39
40#include <net/agr/ieee8023_tlv.h>
41#include <net/agr/ieee8023ad_lacp.h>
42#include <net/agr/ieee8023ad_lacp_impl.h>
43#include <net/agr/ieee8023ad_lacp_sm.h>
44
45typedef void (*lacp_timer_func_t)(struct lacp_port *);
46
47static const lacp_timer_func_t lacp_timer_funcs[LACP_NTIMER] = {
48	[LACP_TIMER_CURRENT_WHILE] = lacp_sm_rx_timer,
49	[LACP_TIMER_PERIODIC] = lacp_sm_ptx_timer,
50	[LACP_TIMER_WAIT_WHILE] = lacp_sm_mux_timer,
51};
52
53void
54lacp_run_timers(struct lacp_port *lp)
55{
56	int i;
57
58	for (i = 0; i < LACP_NTIMER; i++) {
59		KASSERT(lp->lp_timer[i] >= 0);
60		if (lp->lp_timer[i] == 0) {
61			continue;
62		} else if (--lp->lp_timer[i] <= 0) {
63			if (lacp_timer_funcs[i]) {
64				(*lacp_timer_funcs[i])(lp);
65			}
66		}
67	}
68}
69