9a00f6d067
Make in6_inithead() use rib_subscribe with waitok to achieve reliable subscription allocation. Reviewed by: glebius
86 lines
3.2 KiB
C
86 lines
3.2 KiB
C
/*-
|
|
* 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_add_redirect(u_int fibnum, struct sockaddr *dst,
|
|
struct sockaddr *gateway, struct sockaddr *author, struct ifnet *ifp,
|
|
int flags, int expire_sec);
|
|
|
|
typedef int rt_walktree_f_t(struct rtentry *, void *);
|
|
void rib_walk(int af, u_int fibnum, rt_walktree_f_t *wa_f, void *arg);
|
|
void rib_walk_del(u_int fibnum, int family, rt_filter_f_t *filter_f,
|
|
void *arg, bool report);
|
|
|
|
typedef void rt_setwarg_t(struct rib_head *, uint32_t, int, void *);
|
|
void rt_foreach_fib_walk(int af, rt_setwarg_t *, rt_walktree_f_t *, void *);
|
|
void rt_foreach_fib_walk_del(int af, rt_filter_f_t *filter_f, void *arg);
|
|
|
|
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);
|
|
int rib_unsibscribe(uint32_t fibnum, int family, struct rib_subscription *rs);
|
|
|
|
#endif
|
|
|