1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_MROUTE_H
3 #define __LINUX_MROUTE_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>
13 #ifdef CONFIG_IP_MROUTE
14 static inline int ip_mroute_opt(int opt)
16 return opt >= MRT_BASE && opt <= MRT_MAX;
19 static inline int sk_is_ipmr(struct sock *sk)
21 return sk->sk_family == AF_INET &&
22 inet_sk(sk)->inet_num == IPPROTO_IGMP;
25 int ip_mroute_setsockopt(struct sock *, int, sockptr_t, unsigned int);
26 int ip_mroute_getsockopt(struct sock *, int, sockptr_t, sockptr_t);
27 int ipmr_ioctl(struct sock *sk, int cmd, void *arg);
28 int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
30 bool ipmr_rule_default(const struct fib_rule *rule);
31 int ipmr_sk_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
33 static inline int ip_mroute_setsockopt(struct sock *sock, int optname,
34 sockptr_t optval, unsigned int optlen)
39 static inline int ip_mroute_getsockopt(struct sock *sk, int optname,
40 sockptr_t optval, sockptr_t optlen)
45 static inline int ipmr_ioctl(struct sock *sk, int cmd, void *arg)
50 static inline int ip_mr_init(void)
55 static inline int ip_mroute_opt(int opt)
60 static inline int sk_is_ipmr(struct sock *sk)
65 static inline bool ipmr_rule_default(const struct fib_rule *rule)
70 static inline int ipmr_sk_ioctl(struct sock *sk, unsigned int cmd,
77 #define VIFF_STATIC 0x8000
79 struct mfc_cache_cmp_arg {
85 * struct mfc_cache - multicast routing entries
86 * @_c: Common multicast routing information; has to be first [for casting]
87 * @mfc_mcastgrp: destination multicast group address
88 * @mfc_origin: source address
89 * @cmparg: used for rhashtable comparisons
98 struct mfc_cache_cmp_arg cmparg;
103 int ipmr_get_route(struct net *net, struct sk_buff *skb,
104 __be32 saddr, __be32 daddr,
105 struct rtmsg *rtm, u32 portid);