1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __LINUX_MROUTE_H 3#define __LINUX_MROUTE_H 4 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_MROUTE 14static 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#else 27static 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#endif 65 66#define VIFF_STATIC 0x8000 67 68struct mfc_cache_cmp_arg { 69 __be32 mfc_mcastgrp; 70 __be32 mfc_origin; 71}; 72 73/** 74 * struct mfc_cache - multicast routing entries 75 * @_c: Common multicast routing information; has to be first [for casting] 76 * @mfc_mcastgrp: destination multicast group address 77 * @mfc_origin: source address 78 * @cmparg: used for rhashtable comparisons 79 */ 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#endif 96