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sys/net/route/route_helpers.c
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| /*- | |||||
| * SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
| * | |||||
| * Copyright (c) 2020 Alexander V. Chernikov | |||||
| * | |||||
| * 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. | |||||
| * | |||||
| * $FreeBSD$ | |||||
| */ | |||||
| #include "opt_inet.h" | |||||
| #include "opt_inet6.h" | |||||
| #include "opt_route.h" | |||||
| #include <sys/param.h> | |||||
| #include <sys/jail.h> | |||||
| #include <sys/systm.h> | |||||
| #include <sys/malloc.h> | |||||
| #include <sys/mbuf.h> | |||||
| #include <sys/socket.h> | |||||
| #include <sys/sysctl.h> | |||||
| #include <sys/syslog.h> | |||||
| #include <sys/sysproto.h> | |||||
| #include <sys/proc.h> | |||||
| #include <sys/domain.h> | |||||
| #include <sys/kernel.h> | |||||
| #include <sys/lock.h> | |||||
| #include <sys/rmlock.h> | |||||
| #include <net/if.h> | |||||
| #include <net/if_var.h> | |||||
| #include <net/if_dl.h> | |||||
| #include <net/route.h> | |||||
| #include <net/route_var.h> | |||||
| #include <net/route/nhop_utils.h> | |||||
| #include <net/route/nhop.h> | |||||
| #include <net/route/nhop_var.h> | |||||
| #include <net/route/shared.h> | |||||
| #include <net/vnet.h> | |||||
| /* | |||||
| * RIB helper functions. | |||||
| */ | |||||
| /* | |||||
| * Calls @wa_f with @arg for each entry in the table specified by | |||||
| * @af and @fibnum. | |||||
| * | |||||
| * Table is traversed under read lock. | |||||
| */ | |||||
| void | |||||
| rib_walk(int af, u_int fibnum, rt_walktree_f_t *wa_f, void *arg) | |||||
| { | |||||
| RIB_RLOCK_TRACKER; | |||||
| struct rib_head *rnh; | |||||
| if ((rnh = rt_tables_get_rnh(fibnum, af)) == NULL) | |||||
| return; | |||||
| RIB_RLOCK(rnh); | |||||
| rnh->rnh_walktree(&rnh->head, (walktree_f_t *)wa_f, arg); | |||||
| RIB_RUNLOCK(rnh); | |||||
| } | |||||