bsd/netinet/in.c

7  * as defined in and that are subject to the Apple Public Source License
8  * Version 2.0 (the 'License'). You may not use this file except in
32  * Redistribution and use in source and binary forms, with or without
37  * 2. Redistributions in binary form must reproduce the above copyright
38  *    notice, this list of conditions and the following disclaimer in the
60  *	@(#)in.c	8.4 (Berkeley) 1/9/95
61  * $FreeBSD: src/sys/netinet/in.c,v 1.44.2.5 2001/08/13 16:26:17 ume Exp $
85 #include <netinet/in.h>
177 #define	INIFA_ZONE_MAX		64		/* maximum elements in zone */
188 inaddr_local(struct in_addr in)
194 	if (ntohl(in.s_addr) == INADDR_LOOPBACK || IN_LINKLOCAL(ntohl(in.s_addr))) {
196 	} else if (ntohl(in.s_addr) >= INADDR_UNSPEC_GROUP &&
197 		ntohl(in.s_addr) <= INADDR_MAX_LOCAL_GROUP) {
202 		sin.sin_addr = in;
213 			local = in_localaddr(in);
226 in_localaddr(struct in_addr in)
228 	u_int32_t i = ntohl(in.s_addr);
262  * Determine whether an IP address is in a reserved set of addresses
267 in_canforward(struct in_addr in)
269 	u_int32_t i = ntohl(in.s_addr);
283  * Trim a mask in a sockaddr
532 		/* in case it's NULL, make sure it came from the kernel */
631 			 * An interface in IPv4 router mode implies that it
634 			 * being set in that mode.
660 			 * An interface in IPv4 router mode implies that it
663 			 * prevent SIOCARPIPLL from being set in that mode.
1368 			/* fill in the if_laddrreq structure */
1415  * the interface.  When in this mode, IPv4 Link-Local Address support is
1416  * disabled in ARP, and DHCP client support is disabled in IP input; turning
1418  * this mode will result in the removal of IPv4 addresses currently configured
1613 	 * in the removal of the previous first IPV4 address.  KDP needs
1672 	 * but may may be smaller in the case of supernetting.
1734 				 * pointer in allhostsinm
1754 in_broadcast(struct in_addr in, struct ifnet *ifp)
1759 	if (in.s_addr == INADDR_BROADCAST || in.s_addr == INADDR_ANY)
1763 	t = ntohl(in.s_addr);
1773 		    (in.s_addr == ia->ia_broadaddr.sin_addr.s_addr ||
1774 		     in.s_addr == ia->ia_netbroadcast.s_addr ||
1881     /* address is in network byte order */
1958 			/* Become a regular mutex, just in case */
1985 		/* Become a regular mutex, just in case */
2005 		panic("%s: ifa %p is already in trash list", __func__, ifa);
2009 	/* Become a regular mutex, just in case */