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1 | #ifndef _UAPI__LINUX_MROUTE_H |
2 | #define _UAPI__LINUX_MROUTE_H | |
3 | ||
4 | #include <linux/sockios.h> | |
5 | #include <linux/types.h> | |
6 | ||
7 | /* | |
8 | * Based on the MROUTING 3.5 defines primarily to keep | |
9 | * source compatibility with BSD. | |
10 | * | |
11 | * See the mrouted code for the original history. | |
12 | * | |
13 | * Protocol Independent Multicast (PIM) data structures included | |
14 | * Carlos Picoto (cap@di.fc.ul.pt) | |
15 | * | |
16 | */ | |
17 | ||
18 | #define MRT_BASE 200 | |
19 | #define MRT_INIT (MRT_BASE) /* Activate the kernel mroute code */ | |
20 | #define MRT_DONE (MRT_BASE+1) /* Shutdown the kernel mroute */ | |
21 | #define MRT_ADD_VIF (MRT_BASE+2) /* Add a virtual interface */ | |
22 | #define MRT_DEL_VIF (MRT_BASE+3) /* Delete a virtual interface */ | |
23 | #define MRT_ADD_MFC (MRT_BASE+4) /* Add a multicast forwarding entry */ | |
24 | #define MRT_DEL_MFC (MRT_BASE+5) /* Delete a multicast forwarding entry */ | |
25 | #define MRT_VERSION (MRT_BASE+6) /* Get the kernel multicast version */ | |
26 | #define MRT_ASSERT (MRT_BASE+7) /* Activate PIM assert mode */ | |
27 | #define MRT_PIM (MRT_BASE+8) /* enable PIM code */ | |
28 | #define MRT_TABLE (MRT_BASE+9) /* Specify mroute table ID */ | |
660b26dc ND |
29 | #define MRT_ADD_MFC_PROXY (MRT_BASE+10) /* Add a (*,*|G) mfc entry */ |
30 | #define MRT_DEL_MFC_PROXY (MRT_BASE+11) /* Del a (*,*|G) mfc entry */ | |
31 | #define MRT_MAX (MRT_BASE+11) | |
607ca46e DH |
32 | |
33 | #define SIOCGETVIFCNT SIOCPROTOPRIVATE /* IP protocol privates */ | |
34 | #define SIOCGETSGCNT (SIOCPROTOPRIVATE+1) | |
35 | #define SIOCGETRPF (SIOCPROTOPRIVATE+2) | |
36 | ||
37 | #define MAXVIFS 32 | |
38 | typedef unsigned long vifbitmap_t; /* User mode code depends on this lot */ | |
39 | typedef unsigned short vifi_t; | |
40 | #define ALL_VIFS ((vifi_t)(-1)) | |
41 | ||
42 | /* | |
43 | * Same idea as select | |
44 | */ | |
45 | ||
46 | #define VIFM_SET(n,m) ((m)|=(1<<(n))) | |
47 | #define VIFM_CLR(n,m) ((m)&=~(1<<(n))) | |
48 | #define VIFM_ISSET(n,m) ((m)&(1<<(n))) | |
49 | #define VIFM_CLRALL(m) ((m)=0) | |
50 | #define VIFM_COPY(mfrom,mto) ((mto)=(mfrom)) | |
51 | #define VIFM_SAME(m1,m2) ((m1)==(m2)) | |
52 | ||
53 | /* | |
54 | * Passed by mrouted for an MRT_ADD_VIF - again we use the | |
55 | * mrouted 3.6 structures for compatibility | |
56 | */ | |
57 | ||
58 | struct vifctl { | |
59 | vifi_t vifc_vifi; /* Index of VIF */ | |
60 | unsigned char vifc_flags; /* VIFF_ flags */ | |
61 | unsigned char vifc_threshold; /* ttl limit */ | |
62 | unsigned int vifc_rate_limit; /* Rate limiter values (NI) */ | |
63 | union { | |
64 | struct in_addr vifc_lcl_addr; /* Local interface address */ | |
65 | int vifc_lcl_ifindex; /* Local interface index */ | |
66 | }; | |
67 | struct in_addr vifc_rmt_addr; /* IPIP tunnel addr */ | |
68 | }; | |
69 | ||
70 | #define VIFF_TUNNEL 0x1 /* IPIP tunnel */ | |
71 | #define VIFF_SRCRT 0x2 /* NI */ | |
72 | #define VIFF_REGISTER 0x4 /* register vif */ | |
73 | #define VIFF_USE_IFINDEX 0x8 /* use vifc_lcl_ifindex instead of | |
74 | vifc_lcl_addr to find an interface */ | |
75 | ||
76 | /* | |
77 | * Cache manipulation structures for mrouted and PIMd | |
78 | */ | |
79 | ||
80 | struct mfcctl { | |
81 | struct in_addr mfcc_origin; /* Origin of mcast */ | |
82 | struct in_addr mfcc_mcastgrp; /* Group in question */ | |
83 | vifi_t mfcc_parent; /* Where it arrived */ | |
84 | unsigned char mfcc_ttls[MAXVIFS]; /* Where it is going */ | |
85 | unsigned int mfcc_pkt_cnt; /* pkt count for src-grp */ | |
86 | unsigned int mfcc_byte_cnt; | |
87 | unsigned int mfcc_wrong_if; | |
88 | int mfcc_expire; | |
89 | }; | |
90 | ||
91 | /* | |
92 | * Group count retrieval for mrouted | |
93 | */ | |
94 | ||
95 | struct sioc_sg_req { | |
96 | struct in_addr src; | |
97 | struct in_addr grp; | |
98 | unsigned long pktcnt; | |
99 | unsigned long bytecnt; | |
100 | unsigned long wrong_if; | |
101 | }; | |
102 | ||
103 | /* | |
104 | * To get vif packet counts | |
105 | */ | |
106 | ||
107 | struct sioc_vif_req { | |
108 | vifi_t vifi; /* Which iface */ | |
109 | unsigned long icount; /* In packets */ | |
110 | unsigned long ocount; /* Out packets */ | |
111 | unsigned long ibytes; /* In bytes */ | |
112 | unsigned long obytes; /* Out bytes */ | |
113 | }; | |
114 | ||
115 | /* | |
116 | * This is the format the mroute daemon expects to see IGMP control | |
117 | * data. Magically happens to be like an IP packet as per the original | |
118 | */ | |
119 | ||
120 | struct igmpmsg { | |
121 | __u32 unused1,unused2; | |
122 | unsigned char im_msgtype; /* What is this */ | |
123 | unsigned char im_mbz; /* Must be zero */ | |
124 | unsigned char im_vif; /* Interface (this ought to be a vifi_t!) */ | |
125 | unsigned char unused3; | |
126 | struct in_addr im_src,im_dst; | |
127 | }; | |
128 | ||
129 | /* | |
130 | * That's all usermode folks | |
131 | */ | |
132 | ||
133 | ||
134 | ||
135 | #define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */ | |
136 | ||
137 | /* | |
138 | * Pseudo messages used by mrouted | |
139 | */ | |
140 | ||
141 | #define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */ | |
142 | #define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */ | |
143 | #define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */ | |
144 | ||
145 | ||
146 | #endif /* _UAPI__LINUX_MROUTE_H */ |