[linux-2.6-block.git] / include / uapi / linux / mroute6.h

#ifndef _UAPI__LINUX_MROUTE6_H
#define _UAPI__LINUX_MROUTE6_H

#include <linux/types.h>
#include <linux/sockios.h>

/*
 *	Based on the MROUTING 3.5 defines primarily to keep
 *	source compatibility with BSD.
 *
 *	See the pim6sd code for the original history.
 *
 *      Protocol Independent Multicast (PIM) data structures included
 *      Carlos Picoto (cap@di.fc.ul.pt)
 *
 */

#define MRT6_BASE	200
#define MRT6_INIT	(MRT6_BASE)	/* Activate the kernel mroute code 	*/
#define MRT6_DONE	(MRT6_BASE+1)	/* Shutdown the kernel mroute		*/
#define MRT6_ADD_MIF	(MRT6_BASE+2)	/* Add a virtual interface		*/
#define MRT6_DEL_MIF	(MRT6_BASE+3)	/* Delete a virtual interface		*/
#define MRT6_ADD_MFC	(MRT6_BASE+4)	/* Add a multicast forwarding entry	*/
#define MRT6_DEL_MFC	(MRT6_BASE+5)	/* Delete a multicast forwarding entry	*/
#define MRT6_VERSION	(MRT6_BASE+6)	/* Get the kernel multicast version	*/
#define MRT6_ASSERT	(MRT6_BASE+7)	/* Activate PIM assert mode		*/
#define MRT6_PIM	(MRT6_BASE+8)	/* enable PIM code			*/
#define MRT6_TABLE	(MRT6_BASE+9)	/* Specify mroute table ID		*/
#define MRT6_ADD_MFC_PROXY	(MRT6_BASE+10)	/* Add a (*,*|G) mfc entry	*/
#define MRT6_DEL_MFC_PROXY	(MRT6_BASE+11)	/* Del a (*,*|G) mfc entry	*/
#define MRT6_MAX	(MRT6_BASE+11)

#define SIOCGETMIFCNT_IN6	SIOCPROTOPRIVATE	/* IP protocol privates */
#define SIOCGETSGCNT_IN6	(SIOCPROTOPRIVATE+1)
#define SIOCGETRPF	(SIOCPROTOPRIVATE+2)

#define MAXMIFS		32
typedef unsigned long mifbitmap_t;	/* User mode code depends on this lot */
typedef unsigned short mifi_t;
#define ALL_MIFS	((mifi_t)(-1))

#ifndef IF_SETSIZE
#define IF_SETSIZE	256
#endif

typedef	__u32		if_mask;
#define NIFBITS (sizeof(if_mask) * 8)        /* bits per mask */

#if !defined(__KERNEL__)
#if !defined(DIV_ROUND_UP)
#define	DIV_ROUND_UP(x,y)	(((x) + ((y) - 1)) / (y))
#endif
#endif

typedef struct if_set {
	if_mask ifs_bits[DIV_ROUND_UP(IF_SETSIZE, NIFBITS)];
} if_set;

#define IF_SET(n, p)    ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS)))
#define IF_CLR(n, p)    ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS)))
#define IF_ISSET(n, p)  ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS)))
#define IF_COPY(f, t)   bcopy(f, t, sizeof(*(f)))
#define IF_ZERO(p)      bzero(p, sizeof(*(p)))

/*
 *	Passed by mrouted for an MRT_ADD_MIF - again we use the
 *	mrouted 3.6 structures for compatibility
 */

struct mif6ctl {
	mifi_t	mif6c_mifi;		/* Index of MIF */
	unsigned char mif6c_flags;	/* MIFF_ flags */
	unsigned char vifc_threshold;	/* ttl limit */
	__u16	 mif6c_pifi;		/* the index of the physical IF */
	unsigned int vifc_rate_limit;	/* Rate limiter values (NI) */
};

#define MIFF_REGISTER	0x1	/* register vif	*/

/*
 *	Cache manipulation structures for mrouted and PIMd
 */

struct mf6cctl {
	struct sockaddr_in6 mf6cc_origin;		/* Origin of mcast	*/
	struct sockaddr_in6 mf6cc_mcastgrp;		/* Group in question	*/
	mifi_t	mf6cc_parent;			/* Where it arrived	*/
	struct if_set mf6cc_ifset;		/* Where it is going */
};

/*
 *	Group count retrieval for pim6sd
 */

struct sioc_sg_req6 {
	struct sockaddr_in6 src;
	struct sockaddr_in6 grp;
	unsigned long pktcnt;
	unsigned long bytecnt;
	unsigned long wrong_if;
};

/*
 *	To get vif packet counts
 */

struct sioc_mif_req6 {
	mifi_t	mifi;		/* Which iface */
	unsigned long icount;	/* In packets */
	unsigned long ocount;	/* Out packets */
	unsigned long ibytes;	/* In bytes */
	unsigned long obytes;	/* Out bytes */
};

/*
 *	That's all usermode folks
 */


/*
 * Structure used to communicate from kernel to multicast router.
 * We'll overlay the structure onto an MLD header (not an IPv6 heder like igmpmsg{}
 * used for IPv4 implementation). This is because this structure will be passed via an
 * IPv6 raw socket, on which an application will only receiver the payload i.e the data after
 * the IPv6 header and all the extension headers. (See section 3 of RFC 3542)
 */

struct mrt6msg {
#define MRT6MSG_NOCACHE		1
#define MRT6MSG_WRONGMIF	2
#define MRT6MSG_WHOLEPKT	3		/* used for use level encap */
	__u8		im6_mbz;		/* must be zero		   */
	__u8		im6_msgtype;		/* what type of message    */
	__u16		im6_mif;		/* mif rec'd on		   */
	__u32		im6_pad;		/* padding for 64 bit arch */
	struct in6_addr	im6_src, im6_dst;
};

#endif /* _UAPI__LINUX_MROUTE6_H */
Commit	Line	Data
607ca46e DH	1	#ifndef _UAPI__LINUX_MROUTE6_H
	2	#define _UAPI__LINUX_MROUTE6_H
	3
	4	#include <linux/types.h>
	5	#include <linux/sockios.h>
	6
	7	/*
	8	* Based on the MROUTING 3.5 defines primarily to keep
	9	* source compatibility with BSD.
	10	*
	11	* See the pim6sd code for the original history.
	12	*
	13	* Protocol Independent Multicast (PIM) data structures included
	14	* Carlos Picoto (cap@di.fc.ul.pt)
	15	*
	16	*/
	17
	18	#define MRT6_BASE 200
	19	#define MRT6_INIT (MRT6_BASE) /* Activate the kernel mroute code */
	20	#define MRT6_DONE (MRT6_BASE+1) /* Shutdown the kernel mroute */
	21	#define MRT6_ADD_MIF (MRT6_BASE+2) /* Add a virtual interface */
	22	#define MRT6_DEL_MIF (MRT6_BASE+3) /* Delete a virtual interface */
	23	#define MRT6_ADD_MFC (MRT6_BASE+4) /* Add a multicast forwarding entry */
	24	#define MRT6_DEL_MFC (MRT6_BASE+5) /* Delete a multicast forwarding entry */
	25	#define MRT6_VERSION (MRT6_BASE+6) /* Get the kernel multicast version */
	26	#define MRT6_ASSERT (MRT6_BASE+7) /* Activate PIM assert mode */
	27	#define MRT6_PIM (MRT6_BASE+8) /* enable PIM code */
	28	#define MRT6_TABLE (MRT6_BASE+9) /* Specify mroute table ID */
660b26dc ND	29	#define MRT6_ADD_MFC_PROXY (MRT6_BASE+10) /* Add a (,\|G) mfc entry */
	30	#define MRT6_DEL_MFC_PROXY (MRT6_BASE+11) /* Del a (,\|G) mfc entry */
	31	#define MRT6_MAX (MRT6_BASE+11)
607ca46e DH	32
	33	#define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE /* IP protocol privates */
	34	#define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1)
	35	#define SIOCGETRPF (SIOCPROTOPRIVATE+2)
	36
	37	#define MAXMIFS 32
	38	typedef unsigned long mifbitmap_t; /* User mode code depends on this lot */
	39	typedef unsigned short mifi_t;
	40	#define ALL_MIFS ((mifi_t)(-1))
	41
	42	#ifndef IF_SETSIZE
	43	#define IF_SETSIZE 256
	44	#endif
	45
	46	typedef __u32 if_mask;
	47	#define NIFBITS (sizeof(if_mask) * 8) /* bits per mask */
	48
	49	#if !defined(__KERNEL__)
	50	#if !defined(DIV_ROUND_UP)
	51	#define DIV_ROUND_UP(x,y) (((x) + ((y) - 1)) / (y))
	52	#endif
	53	#endif
	54
	55	typedef struct if_set {
	56	if_mask ifs_bits[DIV_ROUND_UP(IF_SETSIZE, NIFBITS)];
	57	} if_set;
	58
	59	#define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] \|= (1 << ((n) % NIFBITS)))
	60	#define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS)))
	61	#define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS)))
	62	#define IF_COPY(f, t) bcopy(f, t, sizeof(*(f)))
	63	#define IF_ZERO(p) bzero(p, sizeof(*(p)))
	64
	65	/*
	66	* Passed by mrouted for an MRT_ADD_MIF - again we use the
	67	* mrouted 3.6 structures for compatibility
	68	*/
	69
	70	struct mif6ctl {
	71	mifi_t mif6c_mifi; /* Index of MIF */
	72	unsigned char mif6c_flags; /* MIFF_ flags */
	73	unsigned char vifc_threshold; /* ttl limit */
	74	__u16 mif6c_pifi; /* the index of the physical IF */
	75	unsigned int vifc_rate_limit; /* Rate limiter values (NI) */
	76	};
	77
	78	#define MIFF_REGISTER 0x1 /* register vif */
	79
	80	/*
	81	* Cache manipulation structures for mrouted and PIMd
	82	*/
	83
	84	struct mf6cctl {
	85	struct sockaddr_in6 mf6cc_origin; /* Origin of mcast */
	86	struct sockaddr_in6 mf6cc_mcastgrp; /* Group in question */
	87	mifi_t mf6cc_parent; /* Where it arrived */
	88	struct if_set mf6cc_ifset; /* Where it is going */
	89	};
	90
	91	/*
	92	* Group count retrieval for pim6sd
	93	*/
	94
	95	struct sioc_sg_req6 {
96	struct sockaddr_in6 src;
97	struct sockaddr_in6 grp;
98	unsigned long pktcnt;
99	unsigned long bytecnt;
100	unsigned long wrong_if;
101	};
102
103	/*
104	* To get vif packet counts
105	*/
106
107	struct sioc_mif_req6 {
108	mifi_t mifi; /* Which iface */
109	unsigned long icount; /* In packets */
110	unsigned long ocount; /* Out packets */
111	unsigned long ibytes; /* In bytes */
112	unsigned long obytes; /* Out bytes */
113	};
114
115	/*
116	* That's all usermode folks
117	*/
118
119
120
121	/*
122	* Structure used to communicate from kernel to multicast router.
123	* We'll overlay the structure onto an MLD header (not an IPv6 heder like igmpmsg{}
124	* used for IPv4 implementation). This is because this structure will be passed via an
125	* IPv6 raw socket, on which an application will only receiver the payload i.e the data after
126	* the IPv6 header and all the extension headers. (See section 3 of RFC 3542)
127	*/
128
129	struct mrt6msg {
130	#define MRT6MSG_NOCACHE 1
131	#define MRT6MSG_WRONGMIF 2
132	#define MRT6MSG_WHOLEPKT 3 /* used for use level encap */
133	__u8 im6_mbz; /* must be zero */
134	__u8 im6_msgtype; /* what type of message */
135	__u16 im6_mif; /* mif rec'd on */
136	__u32 im6_pad; /* padding for 64 bit arch */
137	struct in6_addr im6_src, im6_dst;
138	};
139
140	#endif /* _UAPI__LINUX_MROUTE6_H */