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