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fib_algo.h
(4.28 KB)
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nhgrp_var.h
(2.86 KB)
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nhop.h
(8.29 KB)
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nhop_utils.h
(6.45 KB)
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nhop_var.h
(4.18 KB)
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route_ctl.h
(5.84 KB)
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route_var.h
(12.6 KB)
Editing: route_ctl.h
/*- * 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. * * $FreeBSD$ */ /* * This header file contains public functions and structures used for * routing table manipulations. */ #ifndef _NET_ROUTE_ROUTE_CTL_H_ #define _NET_ROUTE_ROUTE_CTL_H_ struct rib_cmd_info { uint8_t rc_cmd; /* RTM_ADD|RTM_DEL|RTM_CHANGE */ uint8_t spare[3]; uint32_t rc_nh_weight; /* new nhop weight */ struct rtentry *rc_rt; /* Target entry */ struct nhop_object *rc_nh_old; /* Target nhop OR mpath */ struct nhop_object *rc_nh_new; /* Target nhop OR mpath */ }; int rib_add_route(uint32_t fibnum, struct rt_addrinfo *info, struct rib_cmd_info *rc); int rib_del_route(uint32_t fibnum, struct rt_addrinfo *info, struct rib_cmd_info *rc); int rib_change_route(uint32_t fibnum, struct rt_addrinfo *info, struct rib_cmd_info *rc); int rib_action(uint32_t fibnum, int action, struct rt_addrinfo *info, struct rib_cmd_info *rc); int rib_handle_ifaddr_info(uint32_t fibnum, int cmd, struct rt_addrinfo *info); typedef void route_notification_t(struct rib_cmd_info *rc, void *); void rib_decompose_notification(struct rib_cmd_info *rc, route_notification_t *cb, void *cbdata); int rib_add_redirect(u_int fibnum, struct sockaddr *dst, struct sockaddr *gateway, struct sockaddr *author, struct ifnet *ifp, int flags, int expire_sec); enum rib_walk_hook { RIB_WALK_HOOK_PRE, /* Hook is called before iteration */ RIB_WALK_HOOK_POST, /* Hook is called after iteration */ }; typedef int rib_walktree_f_t(struct rtentry *, void *); typedef void rib_walk_hook_f_t(struct rib_head *rnh, enum rib_walk_hook stage, void *arg); void rib_walk(uint32_t fibnum, int af, bool wlock, rib_walktree_f_t *wa_f, void *arg); void rib_walk_ext(uint32_t fibnum, int af, bool wlock, rib_walktree_f_t *wa_f, rib_walk_hook_f_t *hook_f, void *arg); void rib_walk_ext_internal(struct rib_head *rnh, bool wlock, rib_walktree_f_t *wa_f, rib_walk_hook_f_t *hook_f, void *arg); void rib_walk_ext_locked(struct rib_head *rnh, rib_walktree_f_t *wa_f, rib_walk_hook_f_t *hook_f, void *arg); void rib_walk_del(u_int fibnum, int family, rib_filter_f_t *filter_f, void *arg, bool report); void rib_foreach_table_walk(int family, bool wlock, rib_walktree_f_t *wa_f, rib_walk_hook_f_t *hook_f, void *arg); void rib_foreach_table_walk_del(int family, rib_filter_f_t *filter_f, void *arg); struct nhop_object; struct nhgrp_object; struct route_nhop_data { union { struct nhop_object *rnd_nhop; struct nhgrp_object *rnd_nhgrp; }; uint32_t rnd_weight; }; const struct rtentry *rib_lookup_prefix(uint32_t fibnum, int family, const struct sockaddr *dst, const struct sockaddr *netmask, struct route_nhop_data *rnd); const struct rtentry *rib_lookup_lpm(uint32_t fibnum, int family, const struct sockaddr *dst, struct route_nhop_data *rnd); /* rtentry accessors */ bool rt_is_host(const struct rtentry *rt); sa_family_t rt_get_family(const struct rtentry *); struct nhop_object *rt_get_raw_nhop(const struct rtentry *rt); #ifdef INET struct in_addr; void rt_get_inet_prefix_plen(const struct rtentry *rt, struct in_addr *paddr, int *plen, uint32_t *pscopeid); void rt_get_inet_prefix_pmask(const struct rtentry *rt, struct in_addr *paddr, struct in_addr *pmask, uint32_t *pscopeid); #endif #ifdef INET6 struct in6_addr; void rt_get_inet6_prefix_plen(const struct rtentry *rt, struct in6_addr *paddr, int *plen, uint32_t *pscopeid); void rt_get_inet6_prefix_pmask(const struct rtentry *rt, struct in6_addr *paddr, struct in6_addr *pmask, uint32_t *pscopeid); #endif /* Nexthops */ uint32_t nhops_get_count(struct rib_head *rh); /* Multipath */ struct weightened_nhop; struct weightened_nhop *nhgrp_get_nhops(struct nhgrp_object *nhg, uint32_t *pnum_nhops); uint32_t nhgrp_get_count(struct rib_head *rh); /* Route subscriptions */ enum rib_subscription_type { RIB_NOTIFY_IMMEDIATE, RIB_NOTIFY_DELAYED }; struct rib_subscription; typedef void rib_subscription_cb_t(struct rib_head *rnh, struct rib_cmd_info *rc, void *arg); struct rib_subscription *rib_subscribe(uint32_t fibnum, int family, rib_subscription_cb_t *f, void *arg, enum rib_subscription_type type, bool waitok); struct rib_subscription *rib_subscribe_internal(struct rib_head *rnh, rib_subscription_cb_t *f, void *arg, enum rib_subscription_type type, bool waitok); struct rib_subscription *rib_subscribe_locked(struct rib_head *rnh, rib_subscription_cb_t *f, void *arg, enum rib_subscription_type type); void rib_unsibscribe(struct rib_subscription *rs); void rib_unsibscribe_locked(struct rib_subscription *rs); #endif
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