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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef __LINUX_MROUTE6_H
- #define __LINUX_MROUTE6_H
- #include <linux/pim.h>
- #include <linux/skbuff.h> /* for struct sk_buff_head */
- #include <net/net_namespace.h>
- #include <uapi/linux/mroute6.h>
- #include <linux/mroute_base.h>
- #include <linux/sockptr.h>
- #include <net/fib_rules.h>
- #ifdef CONFIG_IPV6_MROUTE
- static inline int ip6_mroute_opt(int opt)
- {
- return (opt >= MRT6_BASE) && (opt <= MRT6_MAX);
- }
- #else
- static inline int ip6_mroute_opt(int opt)
- {
- return 0;
- }
- #endif
- struct sock;
- #ifdef CONFIG_IPV6_MROUTE
- extern int ip6_mroute_setsockopt(struct sock *, int, sockptr_t, unsigned int);
- extern int ip6_mroute_getsockopt(struct sock *, int, sockptr_t, sockptr_t);
- extern int ip6_mr_input(struct sk_buff *skb);
- extern int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg);
- extern int ip6mr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
- extern int ip6_mr_init(void);
- extern void ip6_mr_cleanup(void);
- #else
- static inline int ip6_mroute_setsockopt(struct sock *sock, int optname,
- sockptr_t optval, unsigned int optlen)
- {
- return -ENOPROTOOPT;
- }
- static inline
- int ip6_mroute_getsockopt(struct sock *sock,
- int optname, sockptr_t optval, sockptr_t optlen)
- {
- return -ENOPROTOOPT;
- }
- static inline
- int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg)
- {
- return -ENOIOCTLCMD;
- }
- static inline int ip6_mr_init(void)
- {
- return 0;
- }
- static inline void ip6_mr_cleanup(void)
- {
- return;
- }
- #endif
- #ifdef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
- bool ip6mr_rule_default(const struct fib_rule *rule);
- #else
- static inline bool ip6mr_rule_default(const struct fib_rule *rule)
- {
- return true;
- }
- #endif
- #define VIFF_STATIC 0x8000
- struct mfc6_cache_cmp_arg {
- struct in6_addr mf6c_mcastgrp;
- struct in6_addr mf6c_origin;
- };
- struct mfc6_cache {
- struct mr_mfc _c;
- union {
- struct {
- struct in6_addr mf6c_mcastgrp;
- struct in6_addr mf6c_origin;
- };
- struct mfc6_cache_cmp_arg cmparg;
- };
- };
- #define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */
- struct rtmsg;
- extern int ip6mr_get_route(struct net *net, struct sk_buff *skb,
- struct rtmsg *rtm, u32 portid);
- #ifdef CONFIG_IPV6_MROUTE
- bool mroute6_is_socket(struct net *net, struct sk_buff *skb);
- extern int ip6mr_sk_done(struct sock *sk);
- #else
- static inline bool mroute6_is_socket(struct net *net, struct sk_buff *skb)
- {
- return false;
- }
- static inline int ip6mr_sk_done(struct sock *sk)
- {
- return 0;
- }
- #endif
- #endif
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