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zig/lib/libc/include/generic-openbsd/net/rtable.h
T
Alex Rønne Petersen 66d97267c7 libc: add openbsd 7.8 headers
This excludes all headers in /usr/include/dev because that directory is bonkers
huge (18M). We can add these on an as-needed basis.
2026-01-05 14:52:48 +01:00

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2.8 KiB
C
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/* $OpenBSD: rtable.h,v 1.36 2025/07/15 09:55:49 dlg Exp $ */
/*
* Copyright (c) 2014-2016 Martin Pieuchot
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _NET_RTABLE_H_
#define _NET_RTABLE_H_
#include <sys/rwlock.h>
struct art;
/*
* Locks used to protect struct members in this file:
* I immutable after creation
* N net lock
*/
struct rtable {
struct rwlock r_lock;
struct art *r_art; /* [I] */
unsigned int r_off; /* [I] Offset of key in bytes */
struct sockaddr *r_source; /* [N] use optional src addr */
};
/*
* Newer routing table implementation based on ART (Allotment Routing
* Table).
*/
#define rt_key(rt) ((rt)->rt_dest)
#define rt_plen(rt) ((rt)->rt_plen)
#define RT_ROOT(rt) (0)
int rtable_satoplen(sa_family_t, const struct sockaddr *);
void rtable_init(void);
int rtable_exists(unsigned int);
int rtable_empty(unsigned int);
int rtable_add(unsigned int);
unsigned int rtable_l2(unsigned int);
unsigned int rtable_loindex(unsigned int);
void rtable_l2set(unsigned int, unsigned int, unsigned int);
int rtable_setsource(unsigned int, int, struct sockaddr *);
struct sockaddr *rtable_getsource(unsigned int, int);
void rtable_clearsource(unsigned int, struct sockaddr *);
struct rtentry *rtable_lookup(unsigned int, const struct sockaddr *,
const struct sockaddr *, const struct sockaddr *, uint8_t);
struct rtentry *rtable_match(unsigned int, const struct sockaddr *,
uint32_t *);
struct rtentry *rtable_iterate(struct rtentry *);
int rtable_insert(unsigned int, struct sockaddr *,
const struct sockaddr *, const struct sockaddr *, uint8_t,
struct rtentry *);
int rtable_delete(unsigned int, const struct sockaddr *,
const struct sockaddr *, struct rtentry *);
int rtable_walk(unsigned int, sa_family_t, struct rtentry **,
int (*)(struct rtentry *, void *, unsigned int), void *);
int rtable_read(unsigned int, sa_family_t,
int (*)(const struct rtentry *, void *, unsigned int),
void *);
int rtable_mpath_capable(unsigned int, sa_family_t);
int rtable_mpath_reprio(unsigned int, struct sockaddr *, int,
uint8_t, struct rtentry *);
#endif /* _NET_RTABLE_H_ */