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