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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef __LINUX_MROUTE_H3#define __LINUX_MROUTE_H4 5#include <linux/in.h>6#include <linux/pim.h>7#include <net/fib_rules.h>8#include <net/fib_notifier.h>9#include <uapi/linux/mroute.h>10#include <linux/mroute_base.h>11#include <linux/sockptr.h>12 13#ifdef CONFIG_IP_MROUTE14static inline int ip_mroute_opt(int opt)15{16 return opt >= MRT_BASE && opt <= MRT_MAX;17}18 19int ip_mroute_setsockopt(struct sock *, int, sockptr_t, unsigned int);20int ip_mroute_getsockopt(struct sock *, int, sockptr_t, sockptr_t);21int ipmr_ioctl(struct sock *sk, int cmd, void *arg);22int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);23int ip_mr_init(void);24bool ipmr_rule_default(const struct fib_rule *rule);25int ipmr_sk_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);26#else27static inline int ip_mroute_setsockopt(struct sock *sock, int optname,28 sockptr_t optval, unsigned int optlen)29{30 return -ENOPROTOOPT;31}32 33static inline int ip_mroute_getsockopt(struct sock *sk, int optname,34 sockptr_t optval, sockptr_t optlen)35{36 return -ENOPROTOOPT;37}38 39static inline int ipmr_ioctl(struct sock *sk, int cmd, void *arg)40{41 return -ENOIOCTLCMD;42}43 44static inline int ip_mr_init(void)45{46 return 0;47}48 49static inline int ip_mroute_opt(int opt)50{51 return 0;52}53 54static inline bool ipmr_rule_default(const struct fib_rule *rule)55{56 return true;57}58 59static inline int ipmr_sk_ioctl(struct sock *sk, unsigned int cmd,60 void __user *arg)61{62 return 1;63}64#endif65 66#define VIFF_STATIC 0x800067 68struct mfc_cache_cmp_arg {69 __be32 mfc_mcastgrp;70 __be32 mfc_origin;71};72 73/**74 * struct mfc_cache - multicast routing entries75 * @_c: Common multicast routing information; has to be first [for casting]76 * @mfc_mcastgrp: destination multicast group address77 * @mfc_origin: source address78 * @cmparg: used for rhashtable comparisons79 */80struct mfc_cache {81 struct mr_mfc _c;82 union {83 struct {84 __be32 mfc_mcastgrp;85 __be32 mfc_origin;86 };87 struct mfc_cache_cmp_arg cmparg;88 };89};90 91struct rtmsg;92int ipmr_get_route(struct net *net, struct sk_buff *skb,93 __be32 saddr, __be32 daddr,94 struct rtmsg *rtm, u32 portid);95#endif96