route.h

vxworks 6.x 的全部头文件

    u_char         gate_len;
    u_char         gate_family;
    u_char         routeProto;
    u_char         weight;
    u_long         gate_addr;
    long           value1;
    long           value2;
    long           value3;
    long           value4;
    long           value5;
    long           routeTag;
    long           routeTos;
    struct sockaddr * ifa;
    struct sockaddr * ifp;
    };

#ifdef INET6
#include <netinet/in.h>	
#include <netinet6/in6.h>	/* For in6_addr */

struct sockaddr_gate6
    {
    u_char         gate_len;
    u_char         gate_family;
    u_char         routeProto;
    u_char         weight;
    long           value1;
    struct in6_addr gate6_addr;
    long           value2;
    long           value3;
    long           value4;
    long           value5;
    long           routeTag;
    long           routeTos;
    struct sockaddr * ifa;
    struct sockaddr * ifp;
    };
#endif /* INET6 */
#endif /* ROUTER_STACK */



/*
 * rmx_rtt and rmx_rttvar are stored as microseconds;
 * RTTTOPRHZ(rtt) converts to a value suitable for use
 * by a protocol slowtimo counter.
 */
#define	RTM_RTTUNIT	1000000	/* units for rtt, rttvar, as units per sec */
#define	RTTTOPRHZ(r)	((r) / (RTM_RTTUNIT / PR_SLOWHZ))

/*
 * XXX kernel function pointer `rt_output' is visible to applications.
 */

/* Values for rt_flags */
#define RTF_UP		0x1		/* route usable */
#define RTF_GATEWAY	0x2		/* destination is a gateway */
#define RTF_HOST		0x4		/* host entry (net otherwise) */
#define RTF_REJECT	0x8		/* host or net unreachable */

#define RTF_DYNAMIC	0x10		/* created dynamically (by redirect) */
#define RTF_MODIFIED	0x20		/* modified dynamically (by redirect)*/
#define RTF_DONE		0x40		/* message confirmed */
#define RTF_NO_MSGS	RTF_DONE	/* tells the RTM to not generate
					 * routing messages
					 */
#define RTF_DELCLONE	0x80		/* delete cloned route */
#define RTF_INTF_ROUTE	RTF_DELCLONE	/* Used to indicate to rtrequest that
					 * this is an interface route. */

#define RTF_CLONING	0x100		/* generate new routes on use */
#define RTF_XRESOLVE	0x200		/* external daemon resolves name */
#define RTF_LLINFO	0x400		/* generated by link layer (e.g. ARP)*/
#define RTF_STATIC	0x800		/* manually added */

#define RTF_BLACKHOLE	0x1000		/* just discard pkts (during updates)*/
#define RTF_MGMT		0x2000          /* modified by management proto */
#define RTF_PROTO2	0x4000		/* protocol specific routing flag */
#define RTF_PROTO1	0x8000		/* protocol specific routing flag */

#define RTF_PRCLONING	0x10000		/* protocol requires cloning */
#define RTF_WASCLONED	0x20000		/* route generated through cloning */
#define RTF_PROTO3	0x40000		/* protocol specific routing flag */
#define RTPRF_OURS	RTF_PROTO3	/* set on routes we manage */
/*			0x80000		   unused */

#define RTF_PINNED	0x100000	/* future use */
#define RTF_LOCAL	0x200000 	/* route represents a local address */
#define RTF_BROADCAST	0x400000	/* route represents a bcast address */
#define RTF_MULTICAST	0x800000	/* route represents a mcast address */
					/* 0x1000000 and up unassigned */
#define RTF_LLNOTAVAIL	0x1000000	/* Link layer not available for eg. */
					/* if the interface is down */
#define RTF_PRIMARY  	0x2000000	/* Primary route -used for forwarding*/


/*
 * Routing statistics.
 */
struct	rtstat {
	short	rts_badredirect;	/* bogus redirect calls */
	short	rts_dynamic;		/* routes created by redirects */
	short	rts_newgateway;		/* routes modified by redirects */
	short	rts_unreach;		/* lookups which failed */
	short	rts_wildcard;		/* lookups satisfied by a wildcard */
};
/*
 * Structures for routing messages.
 */
struct rt_msghdr {
	u_short	rtm_msglen;	/* to skip over non-understood messages */
	u_char	rtm_version;	/* future binary compatibility */
	u_char	rtm_type;	/* message type */
	u_short	rtm_index;	/* index for associated ifp */
	int	rtm_flags;	/* flags, incl. kern & message, e.g. DONE */
	int	rtm_addrs;	/* bitmask identifying sockaddrs in msg */
	pid_t	rtm_pid;	/* identify sender */
	int	rtm_seq;	/* for sender to identify action */
	int	rtm_errno;	/* why failed */
	int	rtm_use;	/* from rtentry */
	u_long	rtm_inits;	/* which metrics we are initializing */
	struct	rt_metrics rtm_rmx; /* metrics themselves */
};

#define RTM_VERSION	5	/* Up the ante and ignore older versions */

/*
 * Message types. The message numbers should be continous as their
 * values are used as array indices
 */
#define RTM_ADD		0x1	/* Add Route */
#define RTM_DELETE	0x2	/* Delete Route */
#define RTM_CHANGE	0x3	/* Change Metrics or flags */
#define RTM_GET		0x4	/* Report Metrics */
#define RTM_LOSING	0x5	/* Kernel Suspects Partitioning */
#define RTM_REDIRECT	0x6	/* Told to use different route */
#define RTM_MISS		0x7	/* Lookup failed on this address */
#define RTM_LOCK		0x8	/* fix specified metrics */
#define RTM_OLDADD	0x9	/* caused by SIOCADDRT */
#define RTM_OLDDEL	0xa	/* caused by SIOCDELRT */
#define RTM_RESOLVE	0xb	/* req to resolve dst to LL addr */
#define RTM_NEWADDR	0xc	/* address being added to iface */
#define RTM_DELADDR	0xd	/* address being removed from iface */
#define RTM_IFINFO	0xe	/* iface going up/down etc. */
#define RTM_NEWMADDR	0xf	/* mcast group membership being added to if */
#define RTM_DELMADDR	0x10	/* mcast group membership being deleted */
#define RTM_IFANNOUNCE	0x11	/* iface arrival/departure */

#ifdef ROUTER_STACK

/* New WRN messages */

#define RTM_NEWCHANGE	0x12	/* Change gateway of duplicate route */
#define RTM_NEWGET	0x13	/* Find any route with gateway */
#define RTM_GETALL	0x14	/* Get IP route to dst and any duplicates */
#endif /* ROUTER_STACK */

#define RTM_NEWIPROUTE	0x15	/* Replacement for deleted primary IP route */
#define RTM_OLDIPROUTE	0x16	/* Demoted IP route replaced with new entry */

#ifdef ROUTER_STACK
/* Backward compatibility messages. Will go away in the next release */
    
#define RTM_ADDEXTRA	0x17	/* Duplicate route added */
#define RTM_DELEXTRA	0x18	/* Duplicate route deleted */
#endif /* ROUTER_STACK */

#define RTM_ADDRINFO	0x19	/* change address flags */
/*
 * Bitmask values for rtm_inits and rmx_locks.
 */
#define RTV_MTU		0x1	/* init or lock _mtu */
#define RTV_HOPCOUNT	0x2	/* init or lock _hopcount */
#define RTV_EXPIRE	0x4	/* init or lock _expire */
#define RTV_RPIPE	0x8	/* init or lock _recvpipe */
#define RTV_SPIPE	0x10	/* init or lock _sendpipe */
#define RTV_SSTHRESH	0x20	/* init or lock _ssthresh */
#define RTV_RTT		0x40	/* init or lock _rtt */
#define RTV_RTTVAR	0x80	/* init or lock _rttvar */

/* New flag values for additional metrics */

#define RTV_VALUE1      0x100   /* assign or lock first additional metric */
#define RTV_VALUE2      0x200   /* assign or lock second additional metric */
#define RTV_VALUE3      0x400   /* assign or lock third additional metric */
#define RTV_VALUE4      0x800   /* assign or lock fourth additional metric */
#define RTV_VALUE5      0x1000  /* assign or lock fifth additional metric */
#define RTV_ROUTETAG    0x2000  /* assign or lock route tag value */
#define RTV_WEIGHT      0x4000  /* assign or lock administrative weight */

/*
 * Bitmask values for rtm_addrs.
 */
#define RTA_DST		0x1	/* destination sockaddr present */
#define RTA_GATEWAY	0x2	/* gateway sockaddr present */
#define RTA_NETMASK	0x4	/* netmask sockaddr present */
#define RTA_GENMASK	0x8	/* cloning mask sockaddr present */
#define RTA_IFP		0x10	/* interface name sockaddr present */
#define RTA_IFA		0x20	/* interface addr sockaddr present */
#define RTA_AUTHOR	0x40	/* sockaddr for author of redirect */
#define RTA_BRD		0x80	/* for NEWADDR, broadcast or p-p dest addr */

/*
 * Index offsets for sockaddr array for alternate internal encoding.
 */
#define RTAX_DST		0	/* destination sockaddr present */
#define RTAX_GATEWAY	1	/* gateway sockaddr present */
#define RTAX_NETMASK	2	/* netmask sockaddr present */
#define RTAX_GENMASK	3	/* cloning mask sockaddr present */
#define RTAX_IFP		4	/* interface name sockaddr present */
#define RTAX_IFA		5	/* interface addr sockaddr present */
#define RTAX_AUTHOR	6	/* sockaddr for author of redirect */
#define RTAX_BRD		7	/* for NEWADDR, broadcast or p-p dest addr */
#define RTAX_MAX		8	/* size of array to allocate */

struct rt_addrinfo {
	int	rti_addrs;
	struct	sockaddr *rti_info[RTAX_MAX];
};

struct route_cb {
	int	ip_count;
	int	ip6_count;
	int	ipx_count;
	int	ns_count;
	int	any_count;
};

/*
 * This macro is called by users of RTM to release references to the 
 * route entry.
 * this macro will be called as RTFREE (rt)
 */

#ifdef FINEGRAIN_LOCKING_MODEL
#define	RTFREE(rt)	ipRouteUnlock (rt) 
#else
#define	RTFREE(rt)	_RTFREE (rt) 
#endif /* FINEGRAIN_LOCKING_MODEL */

#ifdef _WRS_KERNEL

#ifdef FINEGRAIN_LOCKING_MODEL
#define	RTLOCK(rt)	ipRouteLock (rt) 
#else
#define	RTLOCK(rt)	(RREFCNT (rt))++
#endif /* FINEGRAIN_LOCKING_MODEL */

#ifndef VIRTUAL_STACK
extern struct route_cb _route_cb;
#endif	/* VIRTUAL_STACK */

struct ifmultiaddr;
struct proc;
struct ifaddr;

int	 route_init __P((void));
void	 rtalloc __P((struct route *));
void	 rtalloc_ign __P((struct route *, u_long));
struct rtentry *
	 rtalloc1 __P((struct sockaddr *, int, u_long));
int	 rtinit __P((struct ifaddr *, int, int));
int	 rtioctl __P((u_long, caddr_t, struct proc *));
int	 rtredirect __P((struct sockaddr *, struct sockaddr *,
	    struct sockaddr *, int, struct sockaddr *, struct rtentry **));
int	 rtrequest __P((int, struct sockaddr *,
	    struct sockaddr *, struct sockaddr *, int, struct rtentry **));
struct ifaddr *ifa_ifwithindex __P((int flags, int index, struct sockaddr *dst, 
				    struct sockaddr *gate));
struct ifaddr *ifa_ifaddrValidate __P((void *pIfAddr, int index)); 
void rt_maskedcopy __P((struct sockaddr *src, struct sockaddr *dst, 
			struct sockaddr *netmask));
void ipRouteFree __P((struct rtentry * pRoute, BOOL inTable));

#include <route/ipRouteLib.h>
#endif /* _WRS_KERNEL */

#ifdef __cplusplus
}
#endif

#endif /* _NET_ROUTE_H_ */