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