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
45 typedef void (*lacp_timer_func_t)(struct lacp_port *);
46
47 static 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
53 void
lacp_run_timers(struct lacp_port * lp)54 lacp_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