in.h

KPIT GNU Tools is a set of GNU development tools for Renesas microcontrollers.

/*
 * Scanning for a free reserved port return a value below IPPORT_RESERVED,
 * but higher than IPPORT_RESERVEDSTART.  Traditionally the start value was
 * 512, but that conflicts with some well-known-services that firewalls may
 * have a fit if we use.
 */
#define IPPORT_RESERVEDSTART	600

#define	IPPORT_MAX		65535

#ifndef _UINT8_T_DECLARED
typedef	__uint8_t		uint8_t;
#define	_UINT8_T_DECLARED
#endif

#ifndef _UINT16_T_DECLARED
typedef	__uint16_t		uint16_t;
#define	_UINT16_T_DECLARED
#endif

#ifndef _UINT32_T_DECLARED
typedef	__uint32_t		uint32_t;
#define	_UINT32_T_DECLARED
#endif

#ifndef _IN_ADDR_T_DECLARED
typedef	uint32_t		in_addr_t;
#define	_IN_ADDR_T_DECLARED
#endif

#ifndef _IN_PORT_T_DECLARED
typedef	uint16_t		in_port_t;
#define	_IN_PORT_T_DECLARED
#endif

#ifdef _BSD_SA_FAMILY_T_
typedef	_BSD_SA_FAMILY_T_	sa_family_t;
#undef _BSD_SA_FAMILY_T_
#endif

/*
 * Internet address (a structure for historical reasons)
 */
#ifndef	_STRUCT_IN_ADDR_DECLARED
struct in_addr {
	in_addr_t s_addr;
};
#define	_STRUCT_IN_ADDR_DECLARED
#endif

/*
 * Definitions of bits in internet address integers.
 * On subnets, the decomposition of addresses to host and net parts
 * is done according to subnet mask, not the masks here.
 */
#define	IN_CLASSA(i)		(((u_int32_t)(i) & 0x80000000) == 0)
#define	IN_CLASSA_NET		0xff000000
#define	IN_CLASSA_NSHIFT	24
#define	IN_CLASSA_HOST		0x00ffffff
#define	IN_CLASSA_MAX		128

#define	IN_CLASSB(i)		(((u_int32_t)(i) & 0xc0000000) == 0x80000000)
#define	IN_CLASSB_NET		0xffff0000
#define	IN_CLASSB_NSHIFT	16
#define	IN_CLASSB_HOST		0x0000ffff
#define	IN_CLASSB_MAX		65536

#define	IN_CLASSC(i)		(((u_int32_t)(i) & 0xe0000000) == 0xc0000000)
#define	IN_CLASSC_NET		0xffffff00
#define	IN_CLASSC_NSHIFT	8
#define	IN_CLASSC_HOST		0x000000ff

#define	IN_CLASSD(i)		(((u_int32_t)(i) & 0xf0000000) == 0xe0000000)
#define	IN_CLASSD_NET		0xf0000000	/* These ones aren't really */
#define	IN_CLASSD_NSHIFT	28		/* net and host fields, but */
#define	IN_CLASSD_HOST		0x0fffffff	/* routing needn't know.    */
#define	IN_MULTICAST(i)		IN_CLASSD(i)

#define	IN_EXPERIMENTAL(i)	(((u_int32_t)(i) & 0xf0000000) == 0xf0000000)
#define	IN_BADCLASS(i)		(((u_int32_t)(i) & 0xf0000000) == 0xf0000000)

#define	INADDR_LOOPBACK		(u_int32_t)0x7f000001
#ifndef _KERNEL
#define	INADDR_NONE		0xffffffff		/* -1 return */
#endif

#define	INADDR_UNSPEC_GROUP	(u_int32_t)0xe0000000	/* 224.0.0.0 */
#define	INADDR_ALLHOSTS_GROUP	(u_int32_t)0xe0000001	/* 224.0.0.1 */
#define	INADDR_ALLRTRS_GROUP	(u_int32_t)0xe0000002	/* 224.0.0.2 */
#define	INADDR_MAX_LOCAL_GROUP	(u_int32_t)0xe00000ff	/* 224.0.0.255 */

#define	IN_LOOPBACKNET		127			/* official! */

/*
 * Options for use with [gs]etsockopt at the IP level.
 * First word of comment is data type; bool is stored in int.
 */
#define	IP_OPTIONS		1    /* buf/ip_opts; set/get IP options */
#define	IP_HDRINCL		2    /* int; header is included with data */
#define	IP_TOS			3    /* int; IP type of service and preced. */
#define	IP_TTL			4    /* int; IP time to live */
#define	IP_RECVOPTS		5    /* bool; receive all IP opts w/dgram */
#define	IP_RECVRETOPTS		6    /* bool; receive IP opts for response */
#define	IP_RECVDSTADDR		7    /* bool; receive IP dst addr w/dgram */
#define	IP_RETOPTS		8    /* ip_opts; set/get IP options */
#define	IP_MULTICAST_IF		9    /* u_char; set/get IP multicast i/f  */
#define	IP_MULTICAST_TTL	10   /* u_char; set/get IP multicast ttl */
#define	IP_MULTICAST_LOOP	11   /* u_char; set/get IP multicast loopback */
#define	IP_ADD_MEMBERSHIP	12   /* ip_mreq; add an IP group membership */
#define	IP_DROP_MEMBERSHIP	13   /* ip_mreq; drop an IP group membership */
#define IP_MULTICAST_VIF	14   /* set/get IP mcast virt. iface */
#define IP_RSVP_ON		15   /* enable RSVP in kernel */
#define IP_RSVP_OFF		16   /* disable RSVP in kernel */
#define IP_RSVP_VIF_ON		17   /* set RSVP per-vif socket */
#define IP_RSVP_VIF_OFF		18   /* unset RSVP per-vif socket */
#define IP_PORTRANGE		19   /* int; range to choose for unspec port */
#define	IP_RECVIF		20   /* bool; receive reception if w/dgram */
/* for IPSEC */
#define	IP_IPSEC_POLICY		21   /* int; set/get security policy */
#define	IP_FAITH		22   /* bool; accept FAITH'ed connections */

#define	IP_FW_ADD     		50   /* add a firewall rule to chain */
#define	IP_FW_DEL    		51   /* delete a firewall rule from chain */
#define	IP_FW_FLUSH   		52   /* flush firewall rule chain */
#define	IP_FW_ZERO    		53   /* clear single/all firewall counter(s) */
#define	IP_FW_GET     		54   /* get entire firewall rule chain */
#define	IP_FW_RESETLOG		55   /* reset logging counters */

#define	IP_DUMMYNET_CONFIGURE	60   /* add/configure a dummynet pipe */
#define	IP_DUMMYNET_DEL		61   /* delete a dummynet pipe from chain */
#define	IP_DUMMYNET_FLUSH	62   /* flush dummynet */
#define	IP_DUMMYNET_GET		64   /* get entire dummynet pipes */

/*
 * Defaults and limits for options
 */
#define	IP_DEFAULT_MULTICAST_TTL  1	/* normally limit m'casts to 1 hop  */
#define	IP_DEFAULT_MULTICAST_LOOP 1	/* normally hear sends if a member  */
#define	IP_MAX_MEMBERSHIPS	20	/* per socket */

/*
 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
 */
struct ip_mreq {
	struct	in_addr imr_multiaddr;	/* IP multicast address of group */
	struct	in_addr imr_interface;	/* local IP address of interface */
};

/*
 * Argument for IP_PORTRANGE:
 * - which range to search when port is unspecified at bind() or connect()
 */
#define	IP_PORTRANGE_DEFAULT	0	/* default range */
#define	IP_PORTRANGE_HIGH	1	/* "high" - request firewall bypass */
#define	IP_PORTRANGE_LOW	2	/* "low" - vouchsafe security */

/*
 * Definitions for inet sysctl operations.
 *
 * Third level is protocol number.
 * Fourth level is desired variable within that protocol.
 */
#define	IPPROTO_MAXID	(IPPROTO_AH + 1)	/* don't list to IPPROTO_MAX */

#define	CTL_IPPROTO_NAMES { \
	{ "ip", CTLTYPE_NODE }, \
	{ "icmp", CTLTYPE_NODE }, \
	{ "igmp", CTLTYPE_NODE }, \
	{ "ggp", CTLTYPE_NODE }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ "tcp", CTLTYPE_NODE }, \
	{ 0, 0 }, \
	{ "egp", CTLTYPE_NODE }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ "pup", CTLTYPE_NODE }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ "udp", CTLTYPE_NODE }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ "idp", CTLTYPE_NODE }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ "ipsec", CTLTYPE_NODE }, \
}

/*
 * Names for IP sysctl objects
 */
#define	IPCTL_FORWARDING	1	/* act as router */
#define	IPCTL_SENDREDIRECTS	2	/* may send redirects when forwarding */
#define	IPCTL_DEFTTL		3	/* default TTL */
#ifdef notyet
#define	IPCTL_DEFMTU		4	/* default MTU */
#endif
#define IPCTL_RTEXPIRE		5	/* cloned route expiration time */
#define IPCTL_RTMINEXPIRE	6	/* min value for expiration time */
#define IPCTL_RTMAXCACHE	7	/* trigger level for dynamic expire */
#define	IPCTL_SOURCEROUTE	8	/* may perform source routes */
#define	IPCTL_DIRECTEDBROADCAST	9	/* may re-broadcast received packets */
#define IPCTL_INTRQMAXLEN	10	/* max length of netisr queue */
#define	IPCTL_INTRQDROPS	11	/* number of netisr q drops */
#define	IPCTL_STATS		12	/* ipstat structure */
#define	IPCTL_ACCEPTSOURCEROUTE	13	/* may accept source routed packets */
#define	IPCTL_FASTFORWARDING	14	/* use fast IP forwarding code */
#define	IPCTL_KEEPFAITH		15	/* FAITH IPv4->IPv6 translater ctl */
#define	IPCTL_GIF_TTL		16	/* default TTL for gif encap packet */
#define	IPCTL_MAXID		17

#define	IPCTL_NAMES { \
	{ 0, 0 }, \
	{ "forwarding", CTLTYPE_INT }, \
	{ "redirect", CTLTYPE_INT }, \
	{ "ttl", CTLTYPE_INT }, \
	{ "mtu", CTLTYPE_INT }, \
	{ "rtexpire", CTLTYPE_INT }, \
	{ "rtminexpire", CTLTYPE_INT }, \
	{ "rtmaxcache", CTLTYPE_INT }, \
	{ "sourceroute", CTLTYPE_INT }, \
 	{ "directed-broadcast", CTLTYPE_INT }, \
	{ "intr-queue-maxlen", CTLTYPE_INT }, \
	{ "intr-queue-drops", CTLTYPE_INT }, \
	{ "stats", CTLTYPE_STRUCT }, \
	{ "accept_sourceroute", CTLTYPE_INT }, \
	{ "fastforwarding", CTLTYPE_INT }, \
}

#endif /* __BSD_VISIBLE */

#ifdef _KERNEL

struct ifnet; struct mbuf;	/* forward declarations for Standard C */

int	 in_broadcast(struct in_addr, struct ifnet *);
int	 in_canforward(struct in_addr);
int	 in_localaddr(struct in_addr);
char 	*inet_ntoa(struct in_addr); /* in libkern */
char	*inet_ntoa_r(struct in_addr ina, char *buf); /* in libkern */

#define satosin(sa)	((struct sockaddr_in *)(sa))
#define sintosa(sin)	((struct sockaddr *)(sin))
#define ifatoia(ifa)	((struct in_ifaddr *)(ifa))

#endif /* _KERNEL */

/* INET6 stuff */
#define	__KAME_NETINET_IN_H_INCLUDED_
#include <netinet6/in6.h>
#undef __KAME_NETINET_IN_H_INCLUDED_

#endif /* !_NETINET_IN_H_*/