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1 | #ifndef __LINUX_MROUTE_H |
2 | #define __LINUX_MROUTE_H |
3 | |
4 | #include <linux/in.h> |
5 | #include <linux/pim.h> |
6 | #include <net/sock.h> |
7 | #include <uapi/linux/mroute.h> |
8 | |
9 | #ifdef CONFIG_IP_MROUTE |
10 | static inline int ip_mroute_opt(int opt) |
11 | { |
12 | return (opt >= MRT_BASE) && (opt <= MRT_MAX); |
13 | } |
14 | #else |
15 | static inline int ip_mroute_opt(int opt) |
16 | { |
17 | return 0; |
18 | } |
19 | #endif |
20 | |
21 | #ifdef CONFIG_IP_MROUTE |
22 | extern int ip_mroute_setsockopt(struct sock *, int, char __user *, unsigned int); |
23 | extern int ip_mroute_getsockopt(struct sock *, int, char __user *, int __user *); |
24 | extern int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg); |
25 | extern int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); |
26 | extern int ip_mr_init(void); |
27 | #else |
28 | static inline |
29 | int ip_mroute_setsockopt(struct sock *sock, |
30 | int optname, char __user *optval, unsigned int optlen) |
31 | { |
32 | return -ENOPROTOOPT; |
33 | } |
34 | |
35 | static inline |
36 | int ip_mroute_getsockopt(struct sock *sock, |
37 | int optname, char __user *optval, int __user *optlen) |
38 | { |
39 | return -ENOPROTOOPT; |
40 | } |
41 | |
42 | static inline |
43 | int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg) |
44 | { |
45 | return -ENOIOCTLCMD; |
46 | } |
47 | |
48 | static inline int ip_mr_init(void) |
49 | { |
50 | return 0; |
51 | } |
52 | #endif |
53 | |
54 | struct vif_device { |
55 | struct net_device *dev; /* Device we are using */ |
56 | unsigned long bytes_in,bytes_out; |
57 | unsigned long pkt_in,pkt_out; /* Statistics */ |
58 | unsigned long rate_limit; /* Traffic shaping (NI) */ |
59 | unsigned char threshold; /* TTL threshold */ |
60 | unsigned short flags; /* Control flags */ |
61 | __be32 local,remote; /* Addresses(remote for tunnels)*/ |
62 | int link; /* Physical interface index */ |
63 | }; |
64 | |
65 | #define VIFF_STATIC 0x8000 |
66 | |
67 | struct mfc_cache { |
68 | struct list_head list; |
69 | __be32 mfc_mcastgrp; /* Group the entry belongs to */ |
70 | __be32 mfc_origin; /* Source of packet */ |
71 | vifi_t mfc_parent; /* Source interface */ |
72 | int mfc_flags; /* Flags on line */ |
73 | |
74 | union { |
75 | struct { |
76 | unsigned long expires; |
77 | struct sk_buff_head unresolved; /* Unresolved buffers */ |
78 | } unres; |
79 | struct { |
80 | unsigned long last_assert; |
81 | int minvif; |
82 | int maxvif; |
83 | unsigned long bytes; |
84 | unsigned long pkt; |
85 | unsigned long wrong_if; |
86 | unsigned char ttls[MAXVIFS]; /* TTL thresholds */ |
87 | } res; |
88 | } mfc_un; |
89 | struct rcu_head rcu; |
90 | }; |
91 | |
92 | #define MFC_STATIC 1 |
93 | #define MFC_NOTIFY 2 |
94 | |
95 | #define MFC_LINES 64 |
96 | |
97 | #ifdef __BIG_ENDIAN |
98 | #define MFC_HASH(a,b) (((((__force u32)(__be32)a)>>24)^(((__force u32)(__be32)b)>>26))&(MFC_LINES-1)) |
99 | #else |
100 | #define MFC_HASH(a,b) ((((__force u32)(__be32)a)^(((__force u32)(__be32)b)>>2))&(MFC_LINES-1)) |
101 | #endif |
102 | |
103 | struct rtmsg; |
104 | extern int ipmr_get_route(struct net *net, struct sk_buff *skb, |
105 | __be32 saddr, __be32 daddr, |
106 | struct rtmsg *rtm, int nowait); |
107 | #endif |
108 |
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