1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_MROUTE6_H
3 #define __LINUX_MROUTE6_H
7 #include <linux/skbuff.h> /* for struct sk_buff_head */
8 #include <net/net_namespace.h>
9 #include <uapi/linux/mroute6.h>
10 #include <linux/mroute_base.h>
11 #include <linux/rhashtable.h>
13 #ifdef CONFIG_IPV6_MROUTE
14 static inline int ip6_mroute_opt(int opt)
16 return (opt >= MRT6_BASE) && (opt <= MRT6_MAX);
19 static inline int ip6_mroute_opt(int opt)
27 #ifdef CONFIG_IPV6_MROUTE
28 extern int ip6_mroute_setsockopt(struct sock *, int, char __user *, unsigned int);
29 extern int ip6_mroute_getsockopt(struct sock *, int, char __user *, int __user *);
30 extern int ip6_mr_input(struct sk_buff *skb);
31 extern int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg);
32 extern int ip6mr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
33 extern int ip6_mr_init(void);
34 extern void ip6_mr_cleanup(void);
37 int ip6_mroute_setsockopt(struct sock *sock,
38 int optname, char __user *optval, unsigned int optlen)
44 int ip6_mroute_getsockopt(struct sock *sock,
45 int optname, char __user *optval, int __user *optlen)
51 int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg)
56 static inline int ip6_mr_init(void)
61 static inline void ip6_mr_cleanup(void)
67 #define VIFF_STATIC 0x8000
69 struct mfc6_cache_cmp_arg {
70 struct in6_addr mf6c_mcastgrp;
71 struct in6_addr mf6c_origin;
75 struct rhlist_head mnode;
78 struct in6_addr mf6c_mcastgrp;
79 struct in6_addr mf6c_origin;
81 struct mfc6_cache_cmp_arg cmparg;
83 mifi_t mf6c_parent; /* Source interface */
84 int mfc_flags; /* Flags on line */
88 unsigned long expires;
89 struct sk_buff_head unresolved; /* Unresolved buffers */
92 unsigned long last_assert;
97 unsigned long wrong_if;
98 unsigned long lastuse;
99 unsigned char ttls[MAXMIFS]; /* TTL thresholds */
102 struct list_head list;
109 #define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */
112 extern int ip6mr_get_route(struct net *net, struct sk_buff *skb,
113 struct rtmsg *rtm, u32 portid);
115 #ifdef CONFIG_IPV6_MROUTE
116 bool mroute6_is_socket(struct net *net, struct sk_buff *skb);
117 extern int ip6mr_sk_done(struct sock *sk);
119 static inline bool mroute6_is_socket(struct net *net, struct sk_buff *skb)
123 static inline int ip6mr_sk_done(struct sock *sk)