Linux kernel mirror (for testing)
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1#ifndef _UAPI__LINUX_MROUTE6_H
2#define _UAPI__LINUX_MROUTE6_H
3
4#include <linux/kernel.h>
5#include <linux/types.h>
6#include <linux/sockios.h>
7#include <linux/in6.h> /* For struct sockaddr_in6. */
8
9/*
10 * Based on the MROUTING 3.5 defines primarily to keep
11 * source compatibility with BSD.
12 *
13 * See the pim6sd code for the original history.
14 *
15 * Protocol Independent Multicast (PIM) data structures included
16 * Carlos Picoto (cap@di.fc.ul.pt)
17 *
18 */
19
20#define MRT6_BASE 200
21#define MRT6_INIT (MRT6_BASE) /* Activate the kernel mroute code */
22#define MRT6_DONE (MRT6_BASE+1) /* Shutdown the kernel mroute */
23#define MRT6_ADD_MIF (MRT6_BASE+2) /* Add a virtual interface */
24#define MRT6_DEL_MIF (MRT6_BASE+3) /* Delete a virtual interface */
25#define MRT6_ADD_MFC (MRT6_BASE+4) /* Add a multicast forwarding entry */
26#define MRT6_DEL_MFC (MRT6_BASE+5) /* Delete a multicast forwarding entry */
27#define MRT6_VERSION (MRT6_BASE+6) /* Get the kernel multicast version */
28#define MRT6_ASSERT (MRT6_BASE+7) /* Activate PIM assert mode */
29#define MRT6_PIM (MRT6_BASE+8) /* enable PIM code */
30#define MRT6_TABLE (MRT6_BASE+9) /* Specify mroute table ID */
31#define MRT6_ADD_MFC_PROXY (MRT6_BASE+10) /* Add a (*,*|G) mfc entry */
32#define MRT6_DEL_MFC_PROXY (MRT6_BASE+11) /* Del a (*,*|G) mfc entry */
33#define MRT6_MAX (MRT6_BASE+11)
34
35#define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE /* IP protocol privates */
36#define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1)
37#define SIOCGETRPF (SIOCPROTOPRIVATE+2)
38
39#define MAXMIFS 32
40typedef unsigned long mifbitmap_t; /* User mode code depends on this lot */
41typedef unsigned short mifi_t;
42#define ALL_MIFS ((mifi_t)(-1))
43
44#ifndef IF_SETSIZE
45#define IF_SETSIZE 256
46#endif
47
48typedef __u32 if_mask;
49#define NIFBITS (sizeof(if_mask) * 8) /* bits per mask */
50
51typedef struct if_set {
52 if_mask ifs_bits[__KERNEL_DIV_ROUND_UP(IF_SETSIZE, NIFBITS)];
53} if_set;
54
55#define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS)))
56#define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS)))
57#define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS)))
58#define IF_COPY(f, t) bcopy(f, t, sizeof(*(f)))
59#define IF_ZERO(p) bzero(p, sizeof(*(p)))
60
61/*
62 * Passed by mrouted for an MRT_ADD_MIF - again we use the
63 * mrouted 3.6 structures for compatibility
64 */
65
66struct mif6ctl {
67 mifi_t mif6c_mifi; /* Index of MIF */
68 unsigned char mif6c_flags; /* MIFF_ flags */
69 unsigned char vifc_threshold; /* ttl limit */
70 __u16 mif6c_pifi; /* the index of the physical IF */
71 unsigned int vifc_rate_limit; /* Rate limiter values (NI) */
72};
73
74#define MIFF_REGISTER 0x1 /* register vif */
75
76/*
77 * Cache manipulation structures for mrouted and PIMd
78 */
79
80struct mf6cctl {
81 struct sockaddr_in6 mf6cc_origin; /* Origin of mcast */
82 struct sockaddr_in6 mf6cc_mcastgrp; /* Group in question */
83 mifi_t mf6cc_parent; /* Where it arrived */
84 struct if_set mf6cc_ifset; /* Where it is going */
85};
86
87/*
88 * Group count retrieval for pim6sd
89 */
90
91struct sioc_sg_req6 {
92 struct sockaddr_in6 src;
93 struct sockaddr_in6 grp;
94 unsigned long pktcnt;
95 unsigned long bytecnt;
96 unsigned long wrong_if;
97};
98
99/*
100 * To get vif packet counts
101 */
102
103struct sioc_mif_req6 {
104 mifi_t mifi; /* Which iface */
105 unsigned long icount; /* In packets */
106 unsigned long ocount; /* Out packets */
107 unsigned long ibytes; /* In bytes */
108 unsigned long obytes; /* Out bytes */
109};
110
111/*
112 * That's all usermode folks
113 */
114
115
116
117/*
118 * Structure used to communicate from kernel to multicast router.
119 * We'll overlay the structure onto an MLD header (not an IPv6 heder like igmpmsg{}
120 * used for IPv4 implementation). This is because this structure will be passed via an
121 * IPv6 raw socket, on which an application will only receiver the payload i.e the data after
122 * the IPv6 header and all the extension headers. (See section 3 of RFC 3542)
123 */
124
125struct mrt6msg {
126#define MRT6MSG_NOCACHE 1
127#define MRT6MSG_WRONGMIF 2
128#define MRT6MSG_WHOLEPKT 3 /* used for use level encap */
129 __u8 im6_mbz; /* must be zero */
130 __u8 im6_msgtype; /* what type of message */
131 __u16 im6_mif; /* mif rec'd on */
132 __u32 im6_pad; /* padding for 64 bit arch */
133 struct in6_addr im6_src, im6_dst;
134};
135
136/* ip6mr netlink cache report attributes */
137enum {
138 IP6MRA_CREPORT_UNSPEC,
139 IP6MRA_CREPORT_MSGTYPE,
140 IP6MRA_CREPORT_MIF_ID,
141 IP6MRA_CREPORT_SRC_ADDR,
142 IP6MRA_CREPORT_DST_ADDR,
143 IP6MRA_CREPORT_PKT,
144 __IP6MRA_CREPORT_MAX
145};
146#define IP6MRA_CREPORT_MAX (__IP6MRA_CREPORT_MAX - 1)
147
148#endif /* _UAPI__LINUX_MROUTE6_H */