in6_var.h

vxworks 6.x 的全部头文件

#define SIOCGSCOPE6DEF		_IOWR('i', 90, struct in6_ifreq)

#define SIOCSIFPREFIX_IN6	_IOW('i', 100, struct in6_prefixreq) /* set */
#define SIOCGIFPREFIX_IN6	_IOWR('i', 101, struct in6_prefixreq) /* get */
#define SIOCDIFPREFIX_IN6	_IOW('i', 102, struct in6_prefixreq) /* del */
#define SIOCAIFPREFIX_IN6	_IOW('i', 103, struct in6_rrenumreq) /* add */
#define SIOCCIFPREFIX_IN6	_IOW('i', 104, \
				     struct in6_rrenumreq) /* change */
#define SIOCSGIFPREFIX_IN6	_IOW('i', 105, \
				     struct in6_rrenumreq) /* set global */

#define SIOCGETSGCNT_IN6	_IOWR('u', 106, \
				      struct sioc_sg_req6) /* get s,g pkt cnt */
#define SIOCGETMIFCNT_IN6	_IOWR('u', 107, \
				      struct sioc_mif_req6) /* get pkt cnt per if */

#define SIOCAADDRCTL_POLICY	_IOW('u', 108, struct in6_addrpolicy)
#define SIOCDADDRCTL_POLICY	_IOW('u', 109, struct in6_addrpolicy)

#define IN6_IFF_ANYCAST		0x01	/* anycast address */
#define IN6_IFF_TENTATIVE	0x02	/* tentative address */
#define IN6_IFF_DUPLICATED	0x04	/* DAD detected duplicate */
#define IN6_IFF_DETACHED	0x08	/* may be detached from the link */
#define IN6_IFF_DEPRECATED	0x10	/* deprecated address */
#define IN6_IFF_NODAD		0x20	/* don't perform DAD on this address
					 * (used only at first SIOC* call)
					 */
#define IN6_IFF_AUTOCONF	0x40	/* autoconfigurable address. */
#define IN6_IFF_TEMPORARY	0x80	/* temporary (anonymous) address. */

#define IN6_IFF_HOME		0x100	/* MIP6:home address */
#define IN6_IFF_DEREGISTERING	0x200	/* MIP6:deregistering address */

#define IN6_IFF_SUBNETANYCAST   0x4000  /* subnet anycast address */

/* do not input/output */
#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)

/* flags which cannot be changed by hand */
#ifndef MIP6
#define IN6_IFF_READONLY (IN6_IFF_DUPLICATED|IN6_IFF_DETACHED|\
    IN6_IFF_NODAD|IN6_IFF_TEMPORARY)
#else
/* Mobile IPv6 userland program requires to assign an address with NODAD. */
#define IN6_IFF_READONLY (IN6_IFF_DUPLICATED|IN6_IFF_DETACHED|\
    IN6_IFF_TEMPORARY)
#endif /* !MIP6 */

#ifdef _WRS_KERNEL
#define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
#define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))

#ifndef VIRTUAL_STACK
extern struct in6_ifaddr *_in6_ifaddr;
extern struct icmp6stat _icmp6stat;
#endif /*VIRTUAL_STACK*/
#define in6_ifstat_inc(ifp, tag) \
do {								\
	if (ifp)						\
		((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \
} while (0)

extern struct ifqueue ip6intrq;		/* IP6 packet input queue (loopback) */
extern INTRQ_QJOB ip6intrqJob;
extern struct in6_addr zeroin6_addr;
extern u_char inet6ctlerrmap[];
extern unsigned long in6_maxmtu;

/*
 * Macro for finding the internet address structure (in6_ifaddr) corresponding
 * to a given interface (ifnet structure).
 */
#define IFP_TO_IA6(ifp, ia)				\
/* struct ifnet *ifp; */				\
/* struct in6_ifaddr *ia; */				\
do {									\
	struct ifaddr *ifa;						\
	for (ifa = (ifp)->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next) {	\
		if (!ifa->ifa_addr)					\
			continue;					\
		if (ifa->ifa_addr->sa_family == AF_INET6)		\
			break;						\
	}								\
	(ia) = (struct in6_ifaddr *)ifa;				\
} while (0)


/*
 * Multi-cast membership entry.  One for each group/ifp that a PCB
 * belongs to.
 */
struct in6_multi_mship {
	struct	in6_multi *i6mm_maddr;	/* Multicast address pointer */
	struct	sock_msf *i6mm_msf;	/* Multicast source filters */
	LIST_ENTRY(in6_multi_mship) i6mm_chain;  /* multicast options chain */
};

/*
 * Per-interface router version information; referred to when MLDv1/v2 coexists.
 */

struct router6_info {
        struct  ifnet *rt6i_ifp;
	int    rt6i_type; /* type of router which is querier on this interface */
	u_int	rt6i_timer1;	/* MLDv1 Querier Present timer */
	u_int	rt6i_timer2;	/* MLDv2 Querier Present timer */
	u_int	rt6i_qrv;	/* Querier Robustness Variable */
	u_int	rt6i_qqi;	/* Querier Interval Variable */
	u_int	rt6i_qri;	/* Querier Response Interval */
	struct router6_info *rt6i_next;
};

struct callout;
struct	in6_multi {
	LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
	struct	in6_addr in6m_addr;	/* IP6 multicast address */
	struct	ifnet *in6m_ifp;	/* back pointer to ifnet */
	struct	ifmultiaddr *in6m_ifma;	/* back pointer to ifmultiaddr */
	u_int	in6m_refcount;		/* # membership claims by sockets */
	u_int	in6m_state;		/* state of the membership */
	struct	router6_info *in6m_rti;	/* router info */
	struct	in6_multi_source *in6m_source;	/* filtered source list */

#ifdef MLDv2
	u_int	in6m_timer;		/* MLD6 listener report timer */
#else
	int	in6m_timer;		/* delay to send the 1st report */
	struct timeval in6m_timer_expire; /* when the timer expires */
	struct callout *in6m_timer_ch;
#endif
};

#define IN6M_TIMER_UNDEF -1

/* flags to in6_update_ifa */
#define IN6_IFAUPDATE_DADDELAY	0x1 /* first time to configure an address */

extern LIST_HEAD(in6_multihead, in6_multi) _in6_multihead;

/*
 * Structure used by macros below to remember position when stepping through
 * all of the in6_multi records.
 */
struct	in6_multistep {
	struct	in6_ifaddr *i_ia;
	struct	in6_multi *i_in6m;
};

/*
 * Macros for looking up the in6_multi record for a given IP6 multicast
 * address on a given interface. If no matching record is found, "in6m"
 * returns NULL.
 */

#define IN6_LOOKUP_MULTI(addr, ifp, in6m)			\
/* struct in6_addr addr; */					\
/* struct ifnet *ifp; */					\
/* struct in6_multi *in6m; */					\
do { \
	struct ifmultiaddr *ifma; \
	for (ifma = (ifp)->if_multiaddrs.lh_first; ifma; \
	     ifma = ifma->ifma_link.le_next) { \
		if (ifma->ifma_addr->sa_family == AF_INET6 \
		    && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \
					  &(addr))) \
			break; \
	} \
	(in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \
} while(0)

/*
 * Macro to step through all of the in6_multi records, one at a time.
 * The current position is remembered in "step", which the caller must
 * provide.  IN6_FIRST_MULTI(), below, must be called to initialize "step"
 * and get the first record.  Both macros return a NULL "in6m" when there
 * are no remaining records.
 */
#define IN6_NEXT_MULTI(step, in6m)					\
/* struct in6_multistep step; */					\
/* struct in6_multi *in6m; */						\
do { \
	if (((in6m) = (step).i_in6m) != NULL) \
		(step).i_in6m = (step).i_in6m->in6m_entry.le_next; \
} while(0)

#define IN6_FIRST_MULTI(step, in6m)		\
/* struct in6_multistep step; */		\
/* struct in6_multi *in6m */			\
do { \
	(step).i_in6m = _in6_multihead.lh_first; \
		IN6_NEXT_MULTI((step), (in6m)); \
} while(0)

/*
 * Macros for looking up the in6_multi_mship record for a given IP6 multicast
 * address on a given interface. If no matching record is found, "imm"
 * returns NULL.
 */
#define IN6_LOOKUP_MSHIP(addr, ifp, imop, imm)				\
/* struct in6_addr addr; */						\
/* struct ifnet *ifp; */						\
/* struct ip6_moptions *imop */						\
/* struct in6_multi_mship *imm; */					\
do {									\
	for ((imm) = (imop)->im6o_memberships.lh_first;			\
    (imm) != NULL; (imm) = (imm)->i6mm_chain.le_next) {	\
   if ((imm)->i6mm_maddr->in6m_ifp != (ifp))		\
           continue;					\
   if (!IN6_ARE_ADDR_EQUAL(&(imm)->i6mm_maddr->in6m_addr,	\
       &(addr)))						\
       continue;					\
   break;							\
    }								\
} while (/*CONSTCOND*/ 0)


    






struct	in6_multi *in6_addmulti __P((struct in6_addr *,
	struct ifnet *, int *, int));
void	in6_delmulti __P((struct in6_multi *));
struct in6_multi_mship *in6_joingroup __P((struct ifnet *,
	struct in6_addr *, int *, int));
int	in6_leavegroup __P((struct in6_multi_mship *));
#ifdef MLDV2
struct	in6_multi *in6_addmulti2(struct in6_addr *, struct ifnet *,
	int *, u_int16_t, struct sockaddr_storage *, u_int, int);
void	in6_delmulti2(struct in6_multi *, int *, u_int16_t,
	struct sockaddr_storage *, u_int, int);
struct	in6_multi *in6_modmulti2(struct in6_addr *, struct ifnet *,
	int *, u_int16_t, struct sockaddr_storage *, u_int, u_int16_t,
	struct sockaddr_storage *, u_int, int, u_int);
#endif

int in6_mask2len __P((struct in6_addr *, u_char *));
extern void in6_len2mask __P((struct in6_addr *, int));
int	in6_control __P((struct socket *,
			 u_long, caddr_t, struct ifnet *, struct proc *));
int	in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *,
	struct in6_ifaddr *, int));
void	in6_purgeaddr __P((struct ifaddr *));
int	in6if_do_dad __P((struct ifnet *));
void	in6_purgeif __P((struct ifnet *));
void	in6_savemkludge __P((struct in6_ifaddr *));
void	in6_setmaxmtu   __P((void));
int	in6_if2idlen   __P((struct ifnet *));
void	in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *));
void	in6_createmkludge __P((struct ifnet *));
void	in6_purgemkludge __P((struct ifnet *));
struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int));
struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *));
char	*ip6_sprintf __P((const struct in6_addr *));
int	in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *));
int	in6_matchlen __P((struct in6_addr *, struct in6_addr *));
int	in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int));
void	in6_prefixlen2mask __P((struct in6_addr *, int));
void	in6_purgeprefix __P((struct ifnet *));

int in6_embedscope __P((struct in6_addr *, const struct sockaddr_in6 *));
int in6_recoverscope __P((struct sockaddr_in6 *, const struct in6_addr *,
	struct ifnet *));
void in6_clearscope __P((struct in6_addr *));
int in6_src_ioctl __P((u_long, caddr_t));

void	*in6_ifafdata_init(struct ifnet *);
void	in6_ifafdata_delete(struct ifnet *);

#endif /* _WRS_KERNEL */

#ifdef __cplusplus
}
#endif

#endif /* _NETINET6_IN6_VAR_H_ */