#ifndef __LINUX_MROUTE6_H
#define __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 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__) && !defined(DIV_ROUND_UP)
#define	DIV_ROUND_UP(x,y)	(((x) + ((y) - 1)) / (y))
#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)))