/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI__LINUX_MROUTE6_H
#define _UAPI__LINUX_MROUTE6_H
#include <linux/const .h>
#include <linux/types.h>
#include <linux/sockios.h>
#include <linux/in6.h> /* For struct sockaddr_in6. */
/*
* 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_FLUSH (MRT6_BASE+12 ) /* Flush all mfc entries and/or vifs */
#define MRT6_MAX (MRT6_BASE+12 )
#define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE /* IP protocol privates */
#define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1 )
#define SIOCGETRPF (SIOCPROTOPRIVATE+2 )
/* MRT6_FLUSH optional flags */
#define MRT6_FLUSH_MFC 1 /* Flush multicast entries */
#define MRT6_FLUSH_MFC_STATIC 2 /* Flush static multicast entries */
#define MRT6_FLUSH_MIFS 4 /* Flushing multicast vifs */
#define MRT6_FLUSH_MIFS_STATIC 8 /* Flush static multicast vifs */
#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 */
typedef struct if_set {
if_mask ifs_bits[__KERNEL_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 0 x1 /* 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 */
#define MRT6MSG_WRMIFWHOLE 4 /* For PIM Register and assert processing */
__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;
};
/* ip6mr netlink cache report attributes */
enum {
IP6MRA_CREPORT_UNSPEC,
IP6MRA_CREPORT_MSGTYPE,
IP6MRA_CREPORT_MIF_ID,
IP6MRA_CREPORT_SRC_ADDR,
IP6MRA_CREPORT_DST_ADDR,
IP6MRA_CREPORT_PKT,
__IP6MRA_CREPORT_MAX
};
#define IP6MRA_CREPORT_MAX (__IP6MRA_CREPORT_MAX - 1 )
#endif /* _UAPI__LINUX_MROUTE6_H */
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