/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __LINUX_MROUTE_H
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#define __LINUX_MROUTE_H
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#include <linux/in.h>
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#include <linux/pim.h>
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#include <net/fib_rules.h>
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#include <net/fib_notifier.h>
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#include <uapi/linux/mroute.h>
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#include <linux/mroute_base.h>
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#include <linux/sockptr.h>
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#ifdef CONFIG_IP_MROUTE
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static inline int ip_mroute_opt(int opt)
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{
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return opt >= MRT_BASE && opt <= MRT_MAX;
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}
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int ip_mroute_setsockopt(struct sock *, int, sockptr_t, unsigned int);
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int ip_mroute_getsockopt(struct sock *, int, char __user *, int __user *);
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int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg);
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int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
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int ip_mr_init(void);
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bool ipmr_rule_default(const struct fib_rule *rule);
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#else
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static inline int ip_mroute_setsockopt(struct sock *sock, int optname,
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sockptr_t optval, unsigned int optlen)
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{
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return -ENOPROTOOPT;
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}
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static inline int ip_mroute_getsockopt(struct sock *sock, int optname,
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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 int ipmr_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 ip_mr_init(void)
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{
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return 0;
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}
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static inline int ip_mroute_opt(int opt)
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{
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return 0;
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}
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static inline bool ipmr_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 mfc_cache_cmp_arg {
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__be32 mfc_mcastgrp;
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__be32 mfc_origin;
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};
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/**
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* struct mfc_cache - multicast routing entries
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* @_c: Common multicast routing information; has to be first [for casting]
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* @mfc_mcastgrp: destination multicast group address
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* @mfc_origin: source address
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* @cmparg: used for rhashtable comparisons
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*/
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struct mfc_cache {
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struct mr_mfc _c;
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union {
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struct {
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__be32 mfc_mcastgrp;
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__be32 mfc_origin;
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};
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struct mfc_cache_cmp_arg cmparg;
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};
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};
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struct rtmsg;
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int ipmr_get_route(struct net *net, struct sk_buff *skb,
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__be32 saddr, __be32 daddr,
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struct rtmsg *rtm, u32 portid);
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#endif
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