1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef __LINUX_MROUTE_H |
3 | #define __LINUX_MROUTE_H |
4 | |
5 | #include <linux/in.h> |
6 | #include <linux/pim.h> |
7 | #include <net/fib_rules.h> |
8 | #include <net/fib_notifier.h> |
9 | #include <uapi/linux/mroute.h> |
10 | #include <linux/mroute_base.h> |
11 | #include <linux/sockptr.h> |
12 | |
13 | #ifdef CONFIG_IP_MROUTE |
14 | static inline int ip_mroute_opt(int opt) |
15 | { |
16 | return opt >= MRT_BASE && opt <= MRT_MAX; |
17 | } |
18 | |
19 | int ip_mroute_setsockopt(struct sock *, int, sockptr_t, unsigned int); |
20 | int ip_mroute_getsockopt(struct sock *, int, sockptr_t, sockptr_t); |
21 | int ipmr_ioctl(struct sock *sk, int cmd, void *arg); |
22 | int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); |
23 | int ip_mr_init(void); |
24 | bool ipmr_rule_default(const struct fib_rule *rule); |
25 | int ipmr_sk_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); |
26 | #else |
27 | static inline int ip_mroute_setsockopt(struct sock *sock, int optname, |
28 | sockptr_t optval, unsigned int optlen) |
29 | { |
30 | return -ENOPROTOOPT; |
31 | } |
32 | |
33 | static inline int ip_mroute_getsockopt(struct sock *sk, int optname, |
34 | sockptr_t optval, sockptr_t optlen) |
35 | { |
36 | return -ENOPROTOOPT; |
37 | } |
38 | |
39 | static inline int ipmr_ioctl(struct sock *sk, int cmd, void *arg) |
40 | { |
41 | return -ENOIOCTLCMD; |
42 | } |
43 | |
44 | static inline int ip_mr_init(void) |
45 | { |
46 | return 0; |
47 | } |
48 | |
49 | static inline int ip_mroute_opt(int opt) |
50 | { |
51 | return 0; |
52 | } |
53 | |
54 | static inline bool ipmr_rule_default(const struct fib_rule *rule) |
55 | { |
56 | return true; |
57 | } |
58 | |
59 | static inline int ipmr_sk_ioctl(struct sock *sk, unsigned int cmd, |
60 | void __user *arg) |
61 | { |
62 | return 1; |
63 | } |
64 | #endif |
65 | |
66 | #define VIFF_STATIC 0x8000 |
67 | |
68 | struct mfc_cache_cmp_arg { |
69 | __be32 mfc_mcastgrp; |
70 | __be32 mfc_origin; |
71 | }; |
72 | |
73 | /** |
74 | * struct mfc_cache - multicast routing entries |
75 | * @_c: Common multicast routing information; has to be first [for casting] |
76 | * @mfc_mcastgrp: destination multicast group address |
77 | * @mfc_origin: source address |
78 | * @cmparg: used for rhashtable comparisons |
79 | */ |
80 | struct mfc_cache { |
81 | struct mr_mfc _c; |
82 | union { |
83 | struct { |
84 | __be32 mfc_mcastgrp; |
85 | __be32 mfc_origin; |
86 | }; |
87 | struct mfc_cache_cmp_arg cmparg; |
88 | }; |
89 | }; |
90 | |
91 | struct rtmsg; |
92 | int ipmr_get_route(struct net *net, struct sk_buff *skb, |
93 | __be32 saddr, __be32 daddr, |
94 | struct rtmsg *rtm, u32 portid); |
95 | #endif |
96 | |