diff options
Diffstat (limited to 'include/linux/mroute6.h')
-rw-r--r-- | include/linux/mroute6.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/include/linux/mroute6.h b/include/linux/mroute6.h new file mode 100644 index 000000000..8f2b307fb --- /dev/null +++ b/include/linux/mroute6.h @@ -0,0 +1,113 @@ +/* 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 |