1 #ifndef _UAPI__LINUX_MROUTE6_H
2 #define _UAPI__LINUX_MROUTE6_H
4 #include <linux/types.h>
5 #include <linux/sockios.h>
6 #include <linux/in6.h> /* For struct sockaddr_in6. */
9 * Based on the MROUTING 3.5 defines primarily to keep
10 * source compatibility with BSD.
12 * See the pim6sd code for the original history.
14 * Protocol Independent Multicast (PIM) data structures included
15 * Carlos Picoto (cap@di.fc.ul.pt)
20 #define MRT6_INIT (MRT6_BASE) /* Activate the kernel mroute code */
21 #define MRT6_DONE (MRT6_BASE+1) /* Shutdown the kernel mroute */
22 #define MRT6_ADD_MIF (MRT6_BASE+2) /* Add a virtual interface */
23 #define MRT6_DEL_MIF (MRT6_BASE+3) /* Delete a virtual interface */
24 #define MRT6_ADD_MFC (MRT6_BASE+4) /* Add a multicast forwarding entry */
25 #define MRT6_DEL_MFC (MRT6_BASE+5) /* Delete a multicast forwarding entry */
26 #define MRT6_VERSION (MRT6_BASE+6) /* Get the kernel multicast version */
27 #define MRT6_ASSERT (MRT6_BASE+7) /* Activate PIM assert mode */
28 #define MRT6_PIM (MRT6_BASE+8) /* enable PIM code */
29 #define MRT6_TABLE (MRT6_BASE+9) /* Specify mroute table ID */
30 #define MRT6_ADD_MFC_PROXY (MRT6_BASE+10) /* Add a (*,*|G) mfc entry */
31 #define MRT6_DEL_MFC_PROXY (MRT6_BASE+11) /* Del a (*,*|G) mfc entry */
32 #define MRT6_MAX (MRT6_BASE+11)
34 #define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE /* IP protocol privates */
35 #define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1)
36 #define SIOCGETRPF (SIOCPROTOPRIVATE+2)
39 typedef unsigned long mifbitmap_t; /* User mode code depends on this lot */
40 typedef unsigned short mifi_t;
41 #define ALL_MIFS ((mifi_t)(-1))
44 #define IF_SETSIZE 256
47 typedef __u32 if_mask;
48 #define NIFBITS (sizeof(if_mask) * 8) /* bits per mask */
50 #if !defined(__KERNEL__)
51 #if !defined(DIV_ROUND_UP)
52 #define DIV_ROUND_UP(x,y) (((x) + ((y) - 1)) / (y))
56 typedef struct if_set {
57 if_mask ifs_bits[DIV_ROUND_UP(IF_SETSIZE, NIFBITS)];
60 #define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS)))
61 #define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS)))
62 #define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS)))
63 #define IF_COPY(f, t) bcopy(f, t, sizeof(*(f)))
64 #define IF_ZERO(p) bzero(p, sizeof(*(p)))
67 * Passed by mrouted for an MRT_ADD_MIF - again we use the
68 * mrouted 3.6 structures for compatibility
72 mifi_t mif6c_mifi; /* Index of MIF */
73 unsigned char mif6c_flags; /* MIFF_ flags */
74 unsigned char vifc_threshold; /* ttl limit */
75 __u16 mif6c_pifi; /* the index of the physical IF */
76 unsigned int vifc_rate_limit; /* Rate limiter values (NI) */
79 #define MIFF_REGISTER 0x1 /* register vif */
82 * Cache manipulation structures for mrouted and PIMd
86 struct sockaddr_in6 mf6cc_origin; /* Origin of mcast */
87 struct sockaddr_in6 mf6cc_mcastgrp; /* Group in question */
88 mifi_t mf6cc_parent; /* Where it arrived */
89 struct if_set mf6cc_ifset; /* Where it is going */
93 * Group count retrieval for pim6sd
97 struct sockaddr_in6 src;
98 struct sockaddr_in6 grp;
100 unsigned long bytecnt;
101 unsigned long wrong_if;
105 * To get vif packet counts
108 struct sioc_mif_req6 {
109 mifi_t mifi; /* Which iface */
110 unsigned long icount; /* In packets */
111 unsigned long ocount; /* Out packets */
112 unsigned long ibytes; /* In bytes */
113 unsigned long obytes; /* Out bytes */
117 * That's all usermode folks
123 * Structure used to communicate from kernel to multicast router.
124 * We'll overlay the structure onto an MLD header (not an IPv6 heder like igmpmsg{}
125 * used for IPv4 implementation). This is because this structure will be passed via an
126 * IPv6 raw socket, on which an application will only receiver the payload i.e the data after
127 * the IPv6 header and all the extension headers. (See section 3 of RFC 3542)
131 #define MRT6MSG_NOCACHE 1
132 #define MRT6MSG_WRONGMIF 2
133 #define MRT6MSG_WHOLEPKT 3 /* used for use level encap */
134 __u8 im6_mbz; /* must be zero */
135 __u8 im6_msgtype; /* what type of message */
136 __u16 im6_mif; /* mif rec'd on */
137 __u32 im6_pad; /* padding for 64 bit arch */
138 struct in6_addr im6_src, im6_dst;
141 #endif /* _UAPI__LINUX_MROUTE6_H */