1#ifndef __LINUX_MROUTE_H
2#define __LINUX_MROUTE_H
3
4#include <linux/sockios.h>
5#include <linux/types.h>
6#ifdef __KERNEL__
7#include <linux/in.h>
8#endif
9
10
11
12
13
14
15
16
17
18
19
20
21#define MRT_BASE 200
22#define MRT_INIT (MRT_BASE)
23#define MRT_DONE (MRT_BASE+1)
24#define MRT_ADD_VIF (MRT_BASE+2)
25#define MRT_DEL_VIF (MRT_BASE+3)
26#define MRT_ADD_MFC (MRT_BASE+4)
27#define MRT_DEL_MFC (MRT_BASE+5)
28#define MRT_VERSION (MRT_BASE+6)
29#define MRT_ASSERT (MRT_BASE+7)
30#define MRT_PIM (MRT_BASE+8)
31#define MRT_TABLE (MRT_BASE+9)
32
33#define SIOCGETVIFCNT SIOCPROTOPRIVATE
34#define SIOCGETSGCNT (SIOCPROTOPRIVATE+1)
35#define SIOCGETRPF (SIOCPROTOPRIVATE+2)
36
37#define MAXVIFS 32
38typedef unsigned long vifbitmap_t;
39typedef unsigned short vifi_t;
40#define ALL_VIFS ((vifi_t)(-1))
41
42
43
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
55
56
57
58struct vifctl {
59 vifi_t vifc_vifi;
60 unsigned char vifc_flags;
61 unsigned char vifc_threshold;
62 unsigned int vifc_rate_limit;
63 union {
64 struct in_addr vifc_lcl_addr;
65 int vifc_lcl_ifindex;
66 };
67 struct in_addr vifc_rmt_addr;
68};
69
70#define VIFF_TUNNEL 0x1
71#define VIFF_SRCRT 0x2
72#define VIFF_REGISTER 0x4
73#define VIFF_USE_IFINDEX 0x8
74
75
76
77
78
79
80struct mfcctl {
81 struct in_addr mfcc_origin;
82 struct in_addr mfcc_mcastgrp;
83 vifi_t mfcc_parent;
84 unsigned char mfcc_ttls[MAXVIFS];
85 unsigned int mfcc_pkt_cnt;
86 unsigned int mfcc_byte_cnt;
87 unsigned int mfcc_wrong_if;
88 int mfcc_expire;
89};
90
91
92
93
94
95struct 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
105
106
107struct sioc_vif_req {
108 vifi_t vifi;
109 unsigned long icount;
110 unsigned long ocount;
111 unsigned long ibytes;
112 unsigned long obytes;
113};
114
115
116
117
118
119
120struct igmpmsg {
121 __u32 unused1,unused2;
122 unsigned char im_msgtype;
123 unsigned char im_mbz;
124 unsigned char im_vif;
125 unsigned char unused3;
126 struct in_addr im_src,im_dst;
127};
128
129
130
131
132
133#ifdef __KERNEL__
134#include <linux/pim.h>
135#include <net/sock.h>
136
137#ifdef CONFIG_IP_MROUTE
138static inline int ip_mroute_opt(int opt)
139{
140 return (opt >= MRT_BASE) && (opt <= MRT_BASE + 10);
141}
142#else
143static inline int ip_mroute_opt(int opt)
144{
145 return 0;
146}
147#endif
148
149#ifdef CONFIG_IP_MROUTE
150extern int ip_mroute_setsockopt(struct sock *, int, char __user *, unsigned int);
151extern int ip_mroute_getsockopt(struct sock *, int, char __user *, int __user *);
152extern int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg);
153extern int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
154extern int ip_mr_init(void);
155#else
156static inline
157int ip_mroute_setsockopt(struct sock *sock,
158 int optname, char __user *optval, unsigned int optlen)
159{
160 return -ENOPROTOOPT;
161}
162
163static inline
164int ip_mroute_getsockopt(struct sock *sock,
165 int optname, char __user *optval, int __user *optlen)
166{
167 return -ENOPROTOOPT;
168}
169
170static inline
171int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg)
172{
173 return -ENOIOCTLCMD;
174}
175
176static inline int ip_mr_init(void)
177{
178 return 0;
179}
180#endif
181
182struct vif_device {
183 struct net_device *dev;
184 unsigned long bytes_in,bytes_out;
185 unsigned long pkt_in,pkt_out;
186 unsigned long rate_limit;
187 unsigned char threshold;
188 unsigned short flags;
189 __be32 local,remote;
190 int link;
191};
192
193#define VIFF_STATIC 0x8000
194
195struct mfc_cache {
196 struct list_head list;
197 __be32 mfc_mcastgrp;
198 __be32 mfc_origin;
199 vifi_t mfc_parent;
200 int mfc_flags;
201
202 union {
203 struct {
204 unsigned long expires;
205 struct sk_buff_head unresolved;
206 } unres;
207 struct {
208 unsigned long last_assert;
209 int minvif;
210 int maxvif;
211 unsigned long bytes;
212 unsigned long pkt;
213 unsigned long wrong_if;
214 unsigned char ttls[MAXVIFS];
215 } res;
216 } mfc_un;
217 struct rcu_head rcu;
218};
219
220#define MFC_STATIC 1
221#define MFC_NOTIFY 2
222
223#define MFC_LINES 64
224
225#ifdef __BIG_ENDIAN
226#define MFC_HASH(a,b) (((((__force u32)(__be32)a)>>24)^(((__force u32)(__be32)b)>>26))&(MFC_LINES-1))
227#else
228#define MFC_HASH(a,b) ((((__force u32)(__be32)a)^(((__force u32)(__be32)b)>>2))&(MFC_LINES-1))
229#endif
230
231#endif
232
233
234#define MFC_ASSERT_THRESH (3*HZ)
235
236
237
238
239
240#define IGMPMSG_NOCACHE 1
241#define IGMPMSG_WRONGVIF 2
242#define IGMPMSG_WHOLEPKT 3
243
244#ifdef __KERNEL__
245struct rtmsg;
246extern int ipmr_get_route(struct net *net, struct sk_buff *skb,
247 __be32 saddr, __be32 daddr,
248 struct rtmsg *rtm, int nowait);
249#endif
250
251#endif
252