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-rw-r--r--include/linux/igmp.h113
1 files changed, 1 insertions, 112 deletions
diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index 82de336b8155..7f2bf1518480 100644
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -12,123 +12,13 @@
12 * as published by the Free Software Foundation; either version 12 * as published by the Free Software Foundation; either version
13 * 2 of the License, or (at your option) any later version. 13 * 2 of the License, or (at your option) any later version.
14 */ 14 */
15
16#ifndef _LINUX_IGMP_H 15#ifndef _LINUX_IGMP_H
17#define _LINUX_IGMP_H 16#define _LINUX_IGMP_H
18 17
19#include <linux/types.h>
20#include <asm/byteorder.h>
21
22/*
23 * IGMP protocol structures
24 */
25
26/*
27 * Header in on cable format
28 */
29
30struct igmphdr {
31 __u8 type;
32 __u8 code; /* For newer IGMP */
33 __sum16 csum;
34 __be32 group;
35};
36
37/* V3 group record types [grec_type] */
38#define IGMPV3_MODE_IS_INCLUDE 1
39#define IGMPV3_MODE_IS_EXCLUDE 2
40#define IGMPV3_CHANGE_TO_INCLUDE 3
41#define IGMPV3_CHANGE_TO_EXCLUDE 4
42#define IGMPV3_ALLOW_NEW_SOURCES 5
43#define IGMPV3_BLOCK_OLD_SOURCES 6
44
45struct igmpv3_grec {
46 __u8 grec_type;
47 __u8 grec_auxwords;
48 __be16 grec_nsrcs;
49 __be32 grec_mca;
50 __be32 grec_src[0];
51};
52
53struct igmpv3_report {
54 __u8 type;
55 __u8 resv1;
56 __be16 csum;
57 __be16 resv2;
58 __be16 ngrec;
59 struct igmpv3_grec grec[0];
60};
61
62struct igmpv3_query {
63 __u8 type;
64 __u8 code;
65 __be16 csum;
66 __be32 group;
67#if defined(__LITTLE_ENDIAN_BITFIELD)
68 __u8 qrv:3,
69 suppress:1,
70 resv:4;
71#elif defined(__BIG_ENDIAN_BITFIELD)
72 __u8 resv:4,
73 suppress:1,
74 qrv:3;
75#else
76#error "Please fix <asm/byteorder.h>"
77#endif
78 __u8 qqic;
79 __be16 nsrcs;
80 __be32 srcs[0];
81};
82
83#define IGMP_HOST_MEMBERSHIP_QUERY 0x11 /* From RFC1112 */
84#define IGMP_HOST_MEMBERSHIP_REPORT 0x12 /* Ditto */
85#define IGMP_DVMRP 0x13 /* DVMRP routing */
86#define IGMP_PIM 0x14 /* PIM routing */
87#define IGMP_TRACE 0x15
88#define IGMPV2_HOST_MEMBERSHIP_REPORT 0x16 /* V2 version of 0x12 */
89#define IGMP_HOST_LEAVE_MESSAGE 0x17
90#define IGMPV3_HOST_MEMBERSHIP_REPORT 0x22 /* V3 version of 0x12 */
91
92#define IGMP_MTRACE_RESP 0x1e
93#define IGMP_MTRACE 0x1f
94
95
96/*
97 * Use the BSD names for these for compatibility
98 */
99
100#define IGMP_DELAYING_MEMBER 0x01
101#define IGMP_IDLE_MEMBER 0x02
102#define IGMP_LAZY_MEMBER 0x03
103#define IGMP_SLEEPING_MEMBER 0x04
104#define IGMP_AWAKENING_MEMBER 0x05
105
106#define IGMP_MINLEN 8
107
108#define IGMP_MAX_HOST_REPORT_DELAY 10 /* max delay for response to */
109 /* query (in seconds) */
110
111#define IGMP_TIMER_SCALE 10 /* denotes that the igmphdr->timer field */
112 /* specifies time in 10th of seconds */
113
114#define IGMP_AGE_THRESHOLD 400 /* If this host don't hear any IGMP V1 */
115 /* message in this period of time, */
116 /* revert to IGMP v2 router. */
117
118#define IGMP_ALL_HOSTS htonl(0xE0000001L)
119#define IGMP_ALL_ROUTER htonl(0xE0000002L)
120#define IGMPV3_ALL_MCR htonl(0xE0000016L)
121#define IGMP_LOCAL_GROUP htonl(0xE0000000L)
122#define IGMP_LOCAL_GROUP_MASK htonl(0xFFFFFF00L)
123
124/*
125 * struct for keeping the multicast list in
126 */
127
128#ifdef __KERNEL__
129#include <linux/skbuff.h> 18#include <linux/skbuff.h>
130#include <linux/timer.h> 19#include <linux/timer.h>
131#include <linux/in.h> 20#include <linux/in.h>
21#include <uapi/linux/igmp.h>
132 22
133static inline struct igmphdr *igmp_hdr(const struct sk_buff *skb) 23static inline struct igmphdr *igmp_hdr(const struct sk_buff *skb)
134{ 24{
@@ -241,4 +131,3 @@ extern void ip_mc_inc_group(struct in_device *in_dev, __be32 addr);
241extern void ip_mc_rejoin_groups(struct in_device *in_dev); 131extern void ip_mc_rejoin_groups(struct in_device *in_dev);
242 132
243#endif 133#endif
244#endif