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1 | #ifndef _UAPI__LINUX_MROUTE6_H |
2 | #define _UAPI__LINUX_MROUTE6_H | |
3 | ||
b5d3755a | 4 | #include <linux/kernel.h> |
607ca46e DH |
5 | #include <linux/types.h> |
6 | #include <linux/sockios.h> | |
7 | ||
8 | /* | |
9 | * Based on the MROUTING 3.5 defines primarily to keep | |
10 | * source compatibility with BSD. | |
11 | * | |
12 | * See the pim6sd code for the original history. | |
13 | * | |
14 | * Protocol Independent Multicast (PIM) data structures included | |
15 | * Carlos Picoto (cap@di.fc.ul.pt) | |
16 | * | |
17 | */ | |
18 | ||
19 | #define MRT6_BASE 200 | |
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 */ | |
660b26dc ND |
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) | |
607ca46e DH |
33 | |
34 | #define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE /* IP protocol privates */ | |
35 | #define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1) | |
36 | #define SIOCGETRPF (SIOCPROTOPRIVATE+2) | |
37 | ||
38 | #define MAXMIFS 32 | |
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)) | |
42 | ||
43 | #ifndef IF_SETSIZE | |
44 | #define IF_SETSIZE 256 | |
45 | #endif | |
46 | ||
47 | typedef __u32 if_mask; | |
48 | #define NIFBITS (sizeof(if_mask) * 8) /* bits per mask */ | |
49 | ||
607ca46e | 50 | typedef struct if_set { |
b5d3755a | 51 | if_mask ifs_bits[__KERNEL_DIV_ROUND_UP(IF_SETSIZE, NIFBITS)]; |
607ca46e DH |
52 | } if_set; |
53 | ||
54 | #define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS))) | |
55 | #define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS))) | |
56 | #define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS))) | |
57 | #define IF_COPY(f, t) bcopy(f, t, sizeof(*(f))) | |
58 | #define IF_ZERO(p) bzero(p, sizeof(*(p))) | |
59 | ||
60 | /* | |
61 | * Passed by mrouted for an MRT_ADD_MIF - again we use the | |
62 | * mrouted 3.6 structures for compatibility | |
63 | */ | |
64 | ||
65 | struct mif6ctl { | |
66 | mifi_t mif6c_mifi; /* Index of MIF */ | |
67 | unsigned char mif6c_flags; /* MIFF_ flags */ | |
68 | unsigned char vifc_threshold; /* ttl limit */ | |
69 | __u16 mif6c_pifi; /* the index of the physical IF */ | |
70 | unsigned int vifc_rate_limit; /* Rate limiter values (NI) */ | |
71 | }; | |
72 | ||
73 | #define MIFF_REGISTER 0x1 /* register vif */ | |
74 | ||
75 | /* | |
76 | * Cache manipulation structures for mrouted and PIMd | |
77 | */ | |
78 | ||
79 | struct mf6cctl { | |
80 | struct sockaddr_in6 mf6cc_origin; /* Origin of mcast */ | |
81 | struct sockaddr_in6 mf6cc_mcastgrp; /* Group in question */ | |
82 | mifi_t mf6cc_parent; /* Where it arrived */ | |
83 | struct if_set mf6cc_ifset; /* Where it is going */ | |
84 | }; | |
85 | ||
86 | /* | |
87 | * Group count retrieval for pim6sd | |
88 | */ | |
89 | ||
90 | struct sioc_sg_req6 { | |
91 | struct sockaddr_in6 src; | |
92 | struct sockaddr_in6 grp; | |
93 | unsigned long pktcnt; | |
94 | unsigned long bytecnt; | |
95 | unsigned long wrong_if; | |
96 | }; | |
97 | ||
98 | /* | |
99 | * To get vif packet counts | |
100 | */ | |
101 | ||
102 | struct sioc_mif_req6 { | |
103 | mifi_t mifi; /* Which iface */ | |
104 | unsigned long icount; /* In packets */ | |
105 | unsigned long ocount; /* Out packets */ | |
106 | unsigned long ibytes; /* In bytes */ | |
107 | unsigned long obytes; /* Out bytes */ | |
108 | }; | |
109 | ||
110 | /* | |
111 | * That's all usermode folks | |
112 | */ | |
113 | ||
114 | ||
115 | ||
116 | /* | |
117 | * Structure used to communicate from kernel to multicast router. | |
118 | * We'll overlay the structure onto an MLD header (not an IPv6 heder like igmpmsg{} | |
119 | * used for IPv4 implementation). This is because this structure will be passed via an | |
120 | * IPv6 raw socket, on which an application will only receiver the payload i.e the data after | |
121 | * the IPv6 header and all the extension headers. (See section 3 of RFC 3542) | |
122 | */ | |
123 | ||
124 | struct mrt6msg { | |
125 | #define MRT6MSG_NOCACHE 1 | |
126 | #define MRT6MSG_WRONGMIF 2 | |
127 | #define MRT6MSG_WHOLEPKT 3 /* used for use level encap */ | |
128 | __u8 im6_mbz; /* must be zero */ | |
129 | __u8 im6_msgtype; /* what type of message */ | |
130 | __u16 im6_mif; /* mif rec'd on */ | |
131 | __u32 im6_pad; /* padding for 64 bit arch */ | |
132 | struct in6_addr im6_src, im6_dst; | |
133 | }; | |
134 | ||
135 | #endif /* _UAPI__LINUX_MROUTE6_H */ |