| /* 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, char __user *, int __user *); |
| 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, char __user *optval, int __user *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 |