include/machine/_kernel_in.h

0001 /*-
0002  * SPDX-License-Identifier: BSD-3-Clause
0003  *
0004  * Copyright (c) 1982, 1986, 1990, 1993
0005  *  The Regents of the University of California.  All rights reserved.
0006  *
0007  * Redistribution and use in source and binary forms, with or without
0008  * modification, are permitted provided that the following conditions
0009  * are met:
0010  * 1. Redistributions of source code must retain the above copyright
0011  *    notice, this list of conditions and the following disclaimer.
0012  * 2. Redistributions in binary form must reproduce the above copyright
0013  *    notice, this list of conditions and the following disclaimer in the
0014  *    documentation and/or other materials provided with the distribution.
0015  * 3. Neither the name of the University nor the names of its contributors
0016  *    may be used to endorse or promote products derived from this software
0017  *    without specific prior written permission.
0018  *
0019  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
0020  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0021  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0022  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
0023  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
0024  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
0025  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
0026  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
0027  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
0028  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
0029  * SUCH DAMAGE.
0030  *
0031  *  @(#)in.h    8.3 (Berkeley) 1/3/94
0032  * $FreeBSD: head/sys/netinet/in.h 326023 2017-11-20 19:43:44Z pfg $
0033  */
0034
0035 /**
0036  * @file
0037  *
0038  * @ingroup RTEMSImplFreeBSDKernel
0039  *
0040  * @brief This header file provides IPv4 definitions for the kernel space
0041  *   (_KERNEL is defined before including <netinet/in.h>).
0042  */
0043
0044 #if defined(_NETINET_IN_H_) && defined(_KERNEL)
0045
0046 struct ifnet; struct mbuf;  /* forward declarations for Standard C */
0047 struct in_ifaddr;
0048
0049 int  in_broadcast(struct in_addr, struct ifnet *);
0050 int  in_ifaddr_broadcast(struct in_addr, struct in_ifaddr *);
0051 int  in_canforward(struct in_addr);
0052 int  in_localaddr(struct in_addr);
0053 #if __FreeBSD_version >= 1400039
0054 bool     in_localip(struct in_addr);
0055 #else
0056 int  in_localip(struct in_addr);
0057 #endif
0058 bool     in_localip_fib(struct in_addr, uint16_t);
0059 int  in_ifhasaddr(struct ifnet *, struct in_addr);
0060 struct in_ifaddr *in_findlocal(uint32_t, bool);
0061 int  inet_aton(const char *, struct in_addr *); /* in libkern */
0062 char    *inet_ntoa_r(struct in_addr ina, char *buf); /* in libkern */
0063 char    *inet_ntop(int, const void *, char *, socklen_t); /* in libkern */
0064 int  inet_pton(int af, const char *, void *); /* in libkern */
0065 void     in_ifdetach(struct ifnet *);
0066
0067 #define in_hosteq(s, t) ((s).s_addr == (t).s_addr)
0068 #define in_nullhost(x)  ((x).s_addr == INADDR_ANY)
0069 #define in_allhosts(x)  ((x).s_addr == htonl(INADDR_ALLHOSTS_GROUP))
0070
0071 #define satosin(sa) ((struct sockaddr_in *)(sa))
0072 #define sintosa(sin)    ((struct sockaddr *)(sin))
0073 #define ifatoia(ifa)    ((struct in_ifaddr *)(ifa))
0074
0075 #else /* !_NETINET_IN_H_ || !_KERNEL */
0076 #error "must be included via <netinet/in.h> in kernel space"
0077 #endif /* _NETINET_IN_H_ && _KERNEL */