in.h

来自「vxworks 6.x 的全部头文件」· C头文件 代码 · 共 739 行 · 第 1/2 页

#define	INADDR_BROADCAST	(u_int32_t)0xffffffff	/* must be masked */
#define	INADDR_NONE		0xffffffff		/* -1 return */

#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_NEW_ALLRTRS_GROUP	(u_int32_t)0xe0000016	/* 224.0.0.22 */
#define	INADDR_MAX_LOCAL_GROUP	(u_int32_t)0xe00000ff	/* 224.0.0.255 */

#define	IN_LOOPBACKNET		127			/* official! */

#define IN_ADDR_IS_LINKLOCAL(i) (((i)[0] == 169) && ((i)[1] == 254))

#if _BYTE_ORDER == _BIG_ENDIAN

#define ntohl(x)        (x)
#define ntohs(x)        (x)
#define htonl(x)        (x)
#define htons(x)        (x)

#define NTOHL(x)        do {} while (FALSE)
#define NTOHS(x)        do {} while (FALSE)
#define HTONL(x)        do {} while (FALSE)
#define HTONS(x)        do {} while (FALSE)

#else

#define ntohl(x)        ((((x) & 0x000000ff) << 24) | \
                         (((x) & 0x0000ff00) <<  8) | \
                         (((x) & 0x00ff0000) >>  8) | \
                         (((x) & 0xff000000) >> 24))

#define htonl(x)        ((((x) & 0x000000ff) << 24) | \
                         (((x) & 0x0000ff00) <<  8) | \
                         (((x) & 0x00ff0000) >>  8) | \
                         (((x) & 0xff000000) >> 24))

#define ntohs(x)        ((((x) & 0x00ff) << 8) | \
                         (((x) & 0xff00) >> 8))

#define htons(x)        ((((x) & 0x00ff) << 8) | \
                         (((x) & 0xff00) >> 8))

#define NTOHL(x)        do {(x) = ntohl((u_long)(x)); } while (FALSE)
#define NTOHS(x)        do {(x) = ntohs((u_short)(x)); } while (FALSE)
#define HTONL(x)        do {(x) = htonl((u_long)(x)); } while (FALSE)
#define HTONS(x)        do {(x) = htons((u_short)(x)); } while (FALSE)

#endif /* _BYTE_ORDER */


/*
 * Socket address, internet style.
 */
struct sockaddr_in {
	u_char	sin_len;
	u_char	sin_family;
	u_short	sin_port;
	struct	in_addr sin_addr;
	char	sin_zero[8];
};

#define	INET_ADDRSTRLEN                 16

/*
 * 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 */
/* 
 * Removed the IP_RSVP_VIF_ON/IP_RSVP_VIF_OFF as we support router alert
 * through the IP_ROUTER_ALERT option (defined below)
 */

#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_BLOCK_SOURCE		23   /* ip_mreq_source; block data from a src */
#define	IP_UNBLOCK_SOURCE	24   /* ip_mreq_source; undo block filter */
#define	IP_ADD_SOURCE_MEMBERSHIP 25  /* ip_mreq_source; add a single source */
#define	IP_DROP_SOURCE_MEMBERSHIP 26 /* ip_mreq_source; drop a single source */

/* MCAST_* sockopts number should not be duplicated with IPv6-level sockopts */
#define	MCAST_JOIN_GROUP	70   /* group_req; */
#define	MCAST_BLOCK_SOURCE	71   /* group_source_req; */
#define	MCAST_UNBLOCK_SOURCE	72   /* group_source_req; */
#define	MCAST_LEAVE_GROUP	73   /* group_req; */
#define	MCAST_JOIN_SOURCE_GROUP	74   /* group_source_req; */
#define	MCAST_LEAVE_SOURCE_GROUP 75  /* group_source_req; */

#define	IP_ONESBCAST		27   /* bool: send all-ones broadcast */

#define	IP_ROUTER_ALERT		23   /* bool; accept router alert packets */

/* We currently don't support the ip_fw and ip_dummynet options.  They are
 * retained in this file for consistency with other systems
 */
#if 0
#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 */
#endif /* #ifdef 0 */

/*
 * 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 */
#define	IP_MAX_SOURCE_FILTER	128	/* max number of MSF per group */
#define	SO_MAX_SOURCE_FILTER	64	/* max number of MSF 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 */
};

#define	MCAST_INCLUDE		1	/* ip_msfilter's imsf_fmode value */
#define	MCAST_EXCLUDE		2	/* ip_msfilter's imsf_fmode value */

/*
 * Argument structure for IP_{BLOCK|UNBLOCK}_SOURCE and
 * IP_{ADD|DROP}_SOURCE_MEMBERSHIP.
 */
struct ip_mreq_source {
	struct	in_addr imr_multiaddr;	/* IP multicast address of group */
	struct	in_addr imr_sourceaddr;	/* source address of group */
	struct	in_addr imr_interface;	/* local IP address of interface */
};

/*
 * Argument structure for SIOCSIPMSFILTER.
 */
struct ip_msfilter {
	struct	in_addr imsf_multiaddr;	/* IP multicast address of group */
	struct	in_addr imsf_interface;	/* local IP address of interface */
	u_int32_t	imsf_fmode;	/* filter mode */
	u_int32_t	imsf_numsrc;	/* number of sources in src_list */
	struct	in_addr imsf_slist[1];	/* start of source list */
};

#define	IP_MSFILTER_SIZE(numsrc) \
	(sizeof(struct ip_msfilter) - sizeof(struct in_addr) \
	+ (numsrc) * sizeof(struct in_addr))

/*
 * Protocol-Independent Multicast Source Filter APIs
 */
struct group_req {
	u_int32_t			gr_interface;	/* interface index */
	struct	sockaddr_storage	gr_group;	/* group address */
};

struct group_source_req {
	u_int32_t			gsr_interface;	/* interface index */
	struct	sockaddr_storage	gsr_group;	/* group address */
	struct	sockaddr_storage	gsr_source;	/* source address */
};

struct group_filter {
	u_int32_t			gf_interface;	/* interface index */
	struct	sockaddr_storage	gf_group;	/* multicast address */
	u_int32_t			gf_fmode;	/* filter mode */
	u_int32_t			gf_numsrc;	/* number of sources */
	struct	sockaddr_storage	gf_slist[1];	/* source address */
};

#define GROUP_FILTER_SIZE(numsrc) \
	(sizeof(struct group_filter) - sizeof(struct sockaddr_storage) \
	+ (numsrc) * sizeof(struct sockaddr_storage))

/*
 * 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 */

/* Packet reassembly stuff */
#define IPREASS_NHASH_LOG2      6
#define IPREASS_NHASH           (1 << IPREASS_NHASH_LOG2)
#define IPREASS_HMASK           (IPREASS_NHASH - 1)
#define IPREASS_HASH(x,y) \
	(((((x) & 0xF) | ((((x) >> 8) & 0xF) << 4)) ^ (y)) & IPREASS_HMASK)

#define RTQ_TIMEOUT	60*10	/* run no less than once every ten minutes */

/*
 * 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 }, \
	{ 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 }, \
	{ 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 }, \
	{ "pim", 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 }, \
}

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

#ifdef _WRS_KERNEL
struct ifnet;	/* forward declarations for Standard C */

int	 in_broadcast __P((struct in_addr, struct ifnet *));
int	 in_canforward __P((struct in_addr));
_WRS_FASTTEXT
int	 in_cksum __P((struct mbuf *, int));
int	 in_localaddr __P((struct in_addr));
void     inet_ntoa_b __P((struct in_addr, char *));
char 	*inet_ntoa __P((struct in_addr)); /* in libkern */

struct in_ifaddr *in_ifexists_ifa __P((struct ifnet *));

void in_socktrim __P((struct sockaddr_in *));

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

#endif /* _WRS_KERNEL */

#ifdef __cplusplus
}
#endif
    
#endif