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authorJonathan Herman <hermanjl@cs.unc.edu>2013-01-17 16:15:55 -0500
committerJonathan Herman <hermanjl@cs.unc.edu>2013-01-17 16:15:55 -0500
commit8dea78da5cee153b8af9c07a2745f6c55057fe12 (patch)
treea8f4d49d63b1ecc92f2fddceba0655b2472c5bd9 /include/linux/mroute6.h
parent406089d01562f1e2bf9f089fd7637009ebaad589 (diff)
Patched in Tegra support.
Diffstat (limited to 'include/linux/mroute6.h')
-rw-r--r--include/linux/mroute6.h136
1 files changed, 135 insertions, 1 deletions
diff --git a/include/linux/mroute6.h b/include/linux/mroute6.h
index a223561ba12..a3759cb0ac1 100644
--- a/include/linux/mroute6.h
+++ b/include/linux/mroute6.h
@@ -1,11 +1,121 @@
1#ifndef __LINUX_MROUTE6_H 1#ifndef __LINUX_MROUTE6_H
2#define __LINUX_MROUTE6_H 2#define __LINUX_MROUTE6_H
3 3
4#include <linux/types.h>
5#include <linux/sockios.h>
6
7/*
8 * Based on the MROUTING 3.5 defines primarily to keep
9 * source compatibility with BSD.
10 *
11 * See the pim6sd 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 MRT6_BASE 200
19#define MRT6_INIT (MRT6_BASE) /* Activate the kernel mroute code */
20#define MRT6_DONE (MRT6_BASE+1) /* Shutdown the kernel mroute */
21#define MRT6_ADD_MIF (MRT6_BASE+2) /* Add a virtual interface */
22#define MRT6_DEL_MIF (MRT6_BASE+3) /* Delete a virtual interface */
23#define MRT6_ADD_MFC (MRT6_BASE+4) /* Add a multicast forwarding entry */
24#define MRT6_DEL_MFC (MRT6_BASE+5) /* Delete a multicast forwarding entry */
25#define MRT6_VERSION (MRT6_BASE+6) /* Get the kernel multicast version */
26#define MRT6_ASSERT (MRT6_BASE+7) /* Activate PIM assert mode */
27#define MRT6_PIM (MRT6_BASE+8) /* enable PIM code */
28#define MRT6_TABLE (MRT6_BASE+9) /* Specify mroute table ID */
29
30#define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE /* IP protocol privates */
31#define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1)
32#define SIOCGETRPF (SIOCPROTOPRIVATE+2)
33
34#define MAXMIFS 32
35typedef unsigned long mifbitmap_t; /* User mode code depends on this lot */
36typedef unsigned short mifi_t;
37#define ALL_MIFS ((mifi_t)(-1))
38
39#ifndef IF_SETSIZE
40#define IF_SETSIZE 256
41#endif
42
43typedef __u32 if_mask;
44#define NIFBITS (sizeof(if_mask) * 8) /* bits per mask */
45
46#if !defined(__KERNEL__) && !defined(DIV_ROUND_UP)
47#define DIV_ROUND_UP(x,y) (((x) + ((y) - 1)) / (y))
48#endif
49
50typedef struct if_set {
51 if_mask ifs_bits[DIV_ROUND_UP(IF_SETSIZE, NIFBITS)];
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
65struct 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
79struct 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
90struct 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
102struct 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#ifdef __KERNEL__
4 115
5#include <linux/pim.h> 116#include <linux/pim.h>
6#include <linux/skbuff.h> /* for struct sk_buff_head */ 117#include <linux/skbuff.h> /* for struct sk_buff_head */
7#include <net/net_namespace.h> 118#include <net/net_namespace.h>
8#include <uapi/linux/mroute6.h>
9 119
10#ifdef CONFIG_IPV6_MROUTE 120#ifdef CONFIG_IPV6_MROUTE
11static inline int ip6_mroute_opt(int opt) 121static inline int ip6_mroute_opt(int opt)
@@ -113,6 +223,9 @@ struct mfc6_cache {
113 223
114#define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */ 224#define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */
115 225
226#endif
227
228#ifdef __KERNEL__
116struct rtmsg; 229struct rtmsg;
117extern int ip6mr_get_route(struct net *net, struct sk_buff *skb, 230extern int ip6mr_get_route(struct net *net, struct sk_buff *skb,
118 struct rtmsg *rtm, int nowait); 231 struct rtmsg *rtm, int nowait);
@@ -131,3 +244,24 @@ static inline int ip6mr_sk_done(struct sock *sk)
131} 244}
132#endif 245#endif
133#endif 246#endif
247
248/*
249 * Structure used to communicate from kernel to multicast router.
250 * We'll overlay the structure onto an MLD header (not an IPv6 heder like igmpmsg{}
251 * used for IPv4 implementation). This is because this structure will be passed via an
252 * IPv6 raw socket, on which an application will only receiver the payload i.e the data after
253 * the IPv6 header and all the extension headers. (See section 3 of RFC 3542)
254 */
255
256struct mrt6msg {
257#define MRT6MSG_NOCACHE 1
258#define MRT6MSG_WRONGMIF 2
259#define MRT6MSG_WHOLEPKT 3 /* used for use level encap */
260 __u8 im6_mbz; /* must be zero */
261 __u8 im6_msgtype; /* what type of message */
262 __u16 im6_mif; /* mif rec'd on */
263 __u32 im6_pad; /* padding for 64 bit arch */
264 struct in6_addr im6_src, im6_dst;
265};
266
267#endif