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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
607ca46e DH |
2 | #ifndef _UAPI__LINUX_MROUTE_H |
3 | #define _UAPI__LINUX_MROUTE_H | |
4 | ||
5 | #include <linux/sockios.h> | |
6 | #include <linux/types.h> | |
bcb41c6b | 7 | #include <linux/in.h> /* For struct in_addr. */ |
607ca46e | 8 | |
7ef8f65d NA |
9 | /* Based on the MROUTING 3.5 defines primarily to keep |
10 | * source compatibility with BSD. | |
607ca46e | 11 | * |
7ef8f65d | 12 | * See the mrouted code for the original history. |
607ca46e | 13 | * |
7ef8f65d NA |
14 | * Protocol Independent Multicast (PIM) data structures included |
15 | * Carlos Picoto (cap@di.fc.ul.pt) | |
607ca46e DH |
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 | ||
7ef8f65d | 37 | #define MAXVIFS 32 |
607ca46e DH |
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 | ||
7ef8f65d NA |
42 | /* Same idea as select */ |
43 | ||
607ca46e DH |
44 | #define VIFM_SET(n,m) ((m)|=(1<<(n))) |
45 | #define VIFM_CLR(n,m) ((m)&=~(1<<(n))) | |
46 | #define VIFM_ISSET(n,m) ((m)&(1<<(n))) | |
47 | #define VIFM_CLRALL(m) ((m)=0) | |
48 | #define VIFM_COPY(mfrom,mto) ((mto)=(mfrom)) | |
49 | #define VIFM_SAME(m1,m2) ((m1)==(m2)) | |
50 | ||
7ef8f65d NA |
51 | /* Passed by mrouted for an MRT_ADD_VIF - again we use the |
52 | * mrouted 3.6 structures for compatibility | |
607ca46e | 53 | */ |
607ca46e DH |
54 | struct vifctl { |
55 | vifi_t vifc_vifi; /* Index of VIF */ | |
56 | unsigned char vifc_flags; /* VIFF_ flags */ | |
57 | unsigned char vifc_threshold; /* ttl limit */ | |
58 | unsigned int vifc_rate_limit; /* Rate limiter values (NI) */ | |
59 | union { | |
60 | struct in_addr vifc_lcl_addr; /* Local interface address */ | |
61 | int vifc_lcl_ifindex; /* Local interface index */ | |
62 | }; | |
63 | struct in_addr vifc_rmt_addr; /* IPIP tunnel addr */ | |
64 | }; | |
65 | ||
66 | #define VIFF_TUNNEL 0x1 /* IPIP tunnel */ | |
67 | #define VIFF_SRCRT 0x2 /* NI */ | |
68 | #define VIFF_REGISTER 0x4 /* register vif */ | |
69 | #define VIFF_USE_IFINDEX 0x8 /* use vifc_lcl_ifindex instead of | |
70 | vifc_lcl_addr to find an interface */ | |
71 | ||
7ef8f65d | 72 | /* Cache manipulation structures for mrouted and PIMd */ |
607ca46e DH |
73 | struct mfcctl { |
74 | struct in_addr mfcc_origin; /* Origin of mcast */ | |
75 | struct in_addr mfcc_mcastgrp; /* Group in question */ | |
76 | vifi_t mfcc_parent; /* Where it arrived */ | |
77 | unsigned char mfcc_ttls[MAXVIFS]; /* Where it is going */ | |
78 | unsigned int mfcc_pkt_cnt; /* pkt count for src-grp */ | |
79 | unsigned int mfcc_byte_cnt; | |
80 | unsigned int mfcc_wrong_if; | |
81 | int mfcc_expire; | |
82 | }; | |
83 | ||
7ef8f65d | 84 | /* Group count retrieval for mrouted */ |
607ca46e DH |
85 | struct sioc_sg_req { |
86 | struct in_addr src; | |
87 | struct in_addr grp; | |
88 | unsigned long pktcnt; | |
89 | unsigned long bytecnt; | |
90 | unsigned long wrong_if; | |
91 | }; | |
92 | ||
7ef8f65d | 93 | /* To get vif packet counts */ |
607ca46e DH |
94 | struct sioc_vif_req { |
95 | vifi_t vifi; /* Which iface */ | |
96 | unsigned long icount; /* In packets */ | |
97 | unsigned long ocount; /* Out packets */ | |
98 | unsigned long ibytes; /* In bytes */ | |
99 | unsigned long obytes; /* Out bytes */ | |
100 | }; | |
101 | ||
7ef8f65d NA |
102 | /* This is the format the mroute daemon expects to see IGMP control |
103 | * data. Magically happens to be like an IP packet as per the original | |
607ca46e | 104 | */ |
607ca46e DH |
105 | struct igmpmsg { |
106 | __u32 unused1,unused2; | |
107 | unsigned char im_msgtype; /* What is this */ | |
108 | unsigned char im_mbz; /* Must be zero */ | |
109 | unsigned char im_vif; /* Interface (this ought to be a vifi_t!) */ | |
110 | unsigned char unused3; | |
111 | struct in_addr im_src,im_dst; | |
112 | }; | |
113 | ||
772c344d NA |
114 | /* ipmr netlink table attributes */ |
115 | enum { | |
116 | IPMRA_TABLE_UNSPEC, | |
117 | IPMRA_TABLE_ID, | |
118 | IPMRA_TABLE_CACHE_RES_QUEUE_LEN, | |
119 | IPMRA_TABLE_MROUTE_REG_VIF_NUM, | |
120 | IPMRA_TABLE_MROUTE_DO_ASSERT, | |
121 | IPMRA_TABLE_MROUTE_DO_PIM, | |
122 | IPMRA_TABLE_VIFS, | |
123 | __IPMRA_TABLE_MAX | |
124 | }; | |
125 | #define IPMRA_TABLE_MAX (__IPMRA_TABLE_MAX - 1) | |
126 | ||
127 | /* ipmr netlink vif attribute format | |
128 | * [ IPMRA_TABLE_VIFS ] - nested attribute | |
129 | * [ IPMRA_VIF ] - nested attribute | |
130 | * [ IPMRA_VIFA_xxx ] | |
131 | */ | |
132 | enum { | |
133 | IPMRA_VIF_UNSPEC, | |
134 | IPMRA_VIF, | |
135 | __IPMRA_VIF_MAX | |
136 | }; | |
137 | #define IPMRA_VIF_MAX (__IPMRA_VIF_MAX - 1) | |
138 | ||
139 | /* vif-specific attributes */ | |
140 | enum { | |
141 | IPMRA_VIFA_UNSPEC, | |
142 | IPMRA_VIFA_IFINDEX, | |
143 | IPMRA_VIFA_VIF_ID, | |
144 | IPMRA_VIFA_FLAGS, | |
145 | IPMRA_VIFA_BYTES_IN, | |
146 | IPMRA_VIFA_BYTES_OUT, | |
147 | IPMRA_VIFA_PACKETS_IN, | |
148 | IPMRA_VIFA_PACKETS_OUT, | |
149 | IPMRA_VIFA_LOCAL_ADDR, | |
150 | IPMRA_VIFA_REMOTE_ADDR, | |
151 | IPMRA_VIFA_PAD, | |
152 | __IPMRA_VIFA_MAX | |
153 | }; | |
154 | #define IPMRA_VIFA_MAX (__IPMRA_VIFA_MAX - 1) | |
155 | ||
5a645dd8 JG |
156 | /* ipmr netlink cache report attributes */ |
157 | enum { | |
158 | IPMRA_CREPORT_UNSPEC, | |
159 | IPMRA_CREPORT_MSGTYPE, | |
160 | IPMRA_CREPORT_VIF_ID, | |
161 | IPMRA_CREPORT_SRC_ADDR, | |
162 | IPMRA_CREPORT_DST_ADDR, | |
163 | IPMRA_CREPORT_PKT, | |
164 | __IPMRA_CREPORT_MAX | |
165 | }; | |
166 | #define IPMRA_CREPORT_MAX (__IPMRA_CREPORT_MAX - 1) | |
167 | ||
7ef8f65d | 168 | /* That's all usermode folks */ |
607ca46e DH |
169 | |
170 | #define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */ | |
171 | ||
7ef8f65d | 172 | /* Pseudo messages used by mrouted */ |
607ca46e DH |
173 | #define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */ |
174 | #define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */ | |
175 | #define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */ | |
176 | ||
607ca46e | 177 | #endif /* _UAPI__LINUX_MROUTE_H */ |