iproutelib.h

vxworks 6.x 的全部头文件

	           --(RREFCNT (x)); \
	       } while (0)

/* Structure for specifying new metrics in the ipRouteModify call */
struct changeMetrics
    {
    BOOL		setMetrics;	/* update metrics too or just update */
      					/* the locks */
    u_long		cm_inits;	/* which metrics are we changing */
    struct rt_metrics	cm_rmx; 	/* metrics themselves */
    };

#define ARP_ROUTE(pRoute) \
	  ((pRoute)->rt_gateway->sa_family == AF_LINK && \
	   (RFLAGS ((pRoute)) & RTF_LLINFO))

/*
 * This macro is used to detect routes that had their gateway changed to
 * an ARP template by the internal route processing. The RTF_LOCAL is used
 * to detect loopback IPv6 routes which are added with a RTF_LINFO flag
 */

#define INTERFACE_ROUTE(pRoute) \
	  ((pRoute)->rt_gateway->sa_family == AF_LINK && \
	   (!(RFLAGS ((pRoute)) & RTF_LLINFO) || \
	    (RFLAGS ((pRoute)) & RTF_LOCAL)))

#define GET_INTERFACE_ADDR(pRoute)	((ROUTE_IFA (pRoute))->ifa_addr)

/* These macros return the protocol address for the given sockaddr */
#define SOCKADDR_IN(s) 	(((struct sockaddr_in *)(s))->sin_addr.s_addr)
#define IP4ADDR(pAddr)	((ULONG *) &(SOCKADDR_IN(pAddr)))

#ifdef INET6
#define SOCKADDR_IN6(s) 	(((struct sockaddr_in6 *)(s))->sin6_addr)
#define SA6(s) 		(((struct sockaddr_in6 *)(s))->sin6_addr)
#define IP6ADDR(pAddr)	((ULONG *) &(SOCKADDR_IN6(pAddr)))	

/* This macro checks if the given IPv6 addr is all zeros */

#define IP6_ADDR_IS_ZERO(s) (SA6(s).s6_addr32[0] == 0 && \
                             SA6(s).s6_addr32[1] == 0 && \
                             SA6(s).s6_addr32[2] == 0 && \
                             SA6(s).s6_addr32[3] == 0)
#define IPADDR_IS_ZERO(s) \
  ((s)->sa_family == AF_INET ? \
   ((s)->sa_len <= (u_char)IP4ADDR (0) || SOCKADDR_IN (s) == 0) :	\
   ((s)->sa_len <= (u_char)IP6ADDR (0) || IP6_ADDR_IS_ZERO (s)))  
		    
/* This macro checks if the given IPv6 addr is all ones */

#define IP6_ADDR_IS_ALLONES(s) (SA6(s).s6_addr32[0] == 0xffffffff && \
                             SA6(s).s6_addr32[1] == 0xffffffff && \
                             SA6(s).s6_addr32[2] == 0xffffffff && \
                             SA6(s).s6_addr32[3] == 0xffffffff)
#define IPADDR_IS_ALLONES(s) \
	((s)->sa_family == AF_INET ? SOCKADDR_IN (s) == 0xffffffff : \
	 IP6_ADDR_IS_ALLONES (s))
#else /* INET6 */

#define IPADDR_IS_ZERO(s) \
   ((s)->sa_len <= (u_char)IP4ADDR (0) || SOCKADDR_IN (s) == 0)
#define IPADDR_IS_ALLONES(s) (SOCKADDR_IN (s) == 0xffffffff)


#endif /* INET6 */

#ifdef DEBUG_CHECKS
#ifdef INET6
/*
 * The following macro returns a pointer to the start of the IP address
 * given the sockaddr structure. For unrecognized address families
 * it calls panic
 */
#define IPADDR(pAddr) (pAddr->sa_family == AF_INET ? IP4ADDR (pAddr) :\
                       (pAddr->sa_family == AF_INET6 ? IP6ADDR (pAddr) : \
                        (ULONG *) (panic("BAD address family: %d %x @ %s:%d\n", \
                                         pAddr->sa_family, pAddr, \
                                         __FILE__, __LINE__),\
                                   NULL)))

#else /* INET6 */
/*
 * The following macro returns a pointer to the start of the IP address
 * given the sockaddr structure. For unrecognized address families
 * it calls panic
 */

#define IPADDR(pAddr) (pAddr->sa_family == AF_INET ? IP4ADDR (pAddr) : \
                       (ULONG *) (panic ("BAD address family: %d %x @ %s:%d\n", \
                                         pAddr->sa_family, pAddr, \
					 __FILE__, __LINE__), \
                                  NULL))

#endif /* INET6 */
#else /* DEBUG_CHECKS */
#ifdef INET6
/*
 * The following macro returns a pointer to the start of the IPv4 or IPv6
 * address within a sockaddr structure. It silently ignores unrecognized
 * address families, since debugging is not enabled.
 */
#define IPADDR(pAddr) ((pAddr)->sa_family == AF_INET ? \
                       (ULONG *) &(SOCKADDR_IN((pAddr))) : \
                        (ULONG *) &(SOCKADDR_IN6((pAddr))))

#else /* INET6 */
/*
 * The following macro returns a pointer to the start of the IPv4 address
 * within a sockaddr structure. It silently ignores unrecognized address
 * families, since debugging is not enabled.
 */

#define IPADDR(pAddr) ((ULONG *) &(SOCKADDR_IN((pAddr))))

#endif /* INET6 */ 
#endif /* DEBUG_CHECKS */

/* external function declarations */
#ifdef VIRTUAL_STACK
extern VS_REG_ID ipRouteRegistrationNum;
#endif /* VIRTUAL_STACK */
extern IP_ROUTE_CONFIG_PARAMS_T ipRouteDefaultConfigParams;

struct ipRouteDispatchTable;

/* Administrative functions */
STATUS ipRouteLibInit __P ((void));
STATUS ipRouteLibInstInit __P ((void *pRouteConfigParams));
STATUS ipRouteLibShutdown __P (());
#ifdef VIRTUAL_STACK
STATUS ipRouteLibDestructor __P ((VSNUM vsnum));
#endif /* VIRTUAL_STACK */
STATUS ipRouteTableSet __P ((ULONG routeUsage, 
			     struct ipRouteDispatchTable * pRibOps));
STATUS ipRouteTableCreate __P ((ULONG routeUsage));
STATUS ipRouteTablesCreate __P ((void));
STATUS ipRouteTableDestroy __P ((ULONG routeUsage));
STATUS ipRouteTableShow __P ((int routeUsage));

/* Core functions - Route creation, deletion, modification, retrieval, free */
STATUS ipRouteCreate __P ((struct sockaddr * pDstAddr, 
			   struct sockaddr * pNetmask, 
			   struct sockaddr * pGateway, ULONG routeIndex, 
			   ULONG routeTos, ULONG routeOwner, ULONG routeSource,
			   ULONG routeFormat, UCHAR routeWeight, 
			   ULONG routeFlags, void * pRouteData, 
			   void * pCustomData, struct rtentry **ppRtEntry));
STATUS ipRouteDelete __P ((struct sockaddr * pDstAddr, 
			   struct sockaddr * pNetmask, 
			   struct sockaddr * pGateway, long routeTos, 
			   ULONG routeOwner, ULONG routeFormat));
STATUS ipIntRouteDelete __P ((struct sockaddr * pDstAddr, 
			      struct sockaddr * pNetmask, 
			      struct sockaddr * pGateway, long routeTos, 
			      ULONG routeOwner, ULONG routeFormat,
			      struct rt_msghdr *pRtm));
struct rtentry * ipRouteGet __P ((struct sockaddr * pDstAddr, 
				struct sockaddr * pGateway, long routeTos, 
				ULONG routeOwner, ULONG routeFormat, 
				BOOL skipFlag));
struct rtentry * ipRouteLookup __P ((struct sockaddr * pDstAddr, 
				   struct sockaddr * pNetmask, 
				   struct sockaddr * pGateway, long routeTos, 
				   ULONG routeOwner, ULONG routeFormat));
struct rtentry * ipRouteLexGet __P ((struct sockaddr * pDstAddr, 
				   struct sockaddr * pNetmask, 
				   struct sockaddr * pGateway, ULONG routeTos, 
				   ULONG indexType, ULONG routeFormat));
struct rtentry * ipRouteLexNextGet __P ((struct sockaddr * pDstAddr, 
				       struct sockaddr * pNetmask, 
				       struct sockaddr * pGateway, 
				       ULONG * pTos, ULONG indexType, 
				       ULONG routeFormat));
STATUS ipRouteModify __P ((struct sockaddr * pDstAddr, 
			   struct sockaddr * pNetmask, 
			   struct sockaddr * pGateway, ULONG routeIndex, 
			   long routeTos, ULONG routeOwner, ULONG routeSource,
			   ULONG routeFormat, struct sockaddr * pNewGateway, 
			   UCHAR * pNewWeight, ULONG * pNewFlags, 
			   void * pNewRouteData, void * pNewCustomData));
STATUS ipIntRouteModify __P ((struct sockaddr * pDstAddr, 
			      struct sockaddr * pNetmask, 
			      struct sockaddr * pGateway, ULONG routeIndex, 
			      long routeTos, ULONG routeOwner, 
			      ULONG routeSource, ULONG routeFormat, 
			      struct sockaddr * pNewGateway, 
			      UCHAR * pNewWeight, ULONG * pNewFlags, 
			      void * pNewRouteData, void * pNewCustomData,
			      struct rt_msghdr *pRtm));
void ipRouteUnlock __P ((struct rtentry * pRoute));
void ipRouteLock __P ((struct rtentry * pRoute));
void ipRouteUnlockOrDelete __P ((struct rtentry * pRoute));
STATUS ipRouteNumRoutesGet __P ((int routeUsage));

/* Support functions - needed by other parts of the code */
STATUS ipRouteTableWalk __P ((ULONG routeUsage, 
			      void (* pFunc )(struct rtentry * rt, void * pArg),
			      void * pArg));
struct rtentry * ipRouteMatch __P ((struct rtentry * pRoute, 
				  struct sockaddr * pGateway, long routeTos,
				  ULONG routeOwner));
int rt_setgate __P ((struct rtentry *rt, struct sockaddr * pDstAddr, 
		     struct sockaddr * pGate));
void ipRouteNetmaskTrim (int routeFormat, struct sockaddr * pNetmask);
#ifdef __cplusplus
}
#endif

#endif /* _INCrouteEnhLibh */