mroute.h (2018B)
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, char __user *, int __user *); 21int ipmr_ioctl(struct sock *sk, int cmd, void __user *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); 25#else 26static inline int ip_mroute_setsockopt(struct sock *sock, int optname, 27 sockptr_t optval, unsigned int optlen) 28{ 29 return -ENOPROTOOPT; 30} 31 32static inline int ip_mroute_getsockopt(struct sock *sock, int optname, 33 char __user *optval, int __user *optlen) 34{ 35 return -ENOPROTOOPT; 36} 37 38static inline int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg) 39{ 40 return -ENOIOCTLCMD; 41} 42 43static inline int ip_mr_init(void) 44{ 45 return 0; 46} 47 48static inline int ip_mroute_opt(int opt) 49{ 50 return 0; 51} 52 53static inline bool ipmr_rule_default(const struct fib_rule *rule) 54{ 55 return true; 56} 57#endif 58 59#define VIFF_STATIC 0x8000 60 61struct mfc_cache_cmp_arg { 62 __be32 mfc_mcastgrp; 63 __be32 mfc_origin; 64}; 65 66/** 67 * struct mfc_cache - multicast routing entries 68 * @_c: Common multicast routing information; has to be first [for casting] 69 * @mfc_mcastgrp: destination multicast group address 70 * @mfc_origin: source address 71 * @cmparg: used for rhashtable comparisons 72 */ 73struct mfc_cache { 74 struct mr_mfc _c; 75 union { 76 struct { 77 __be32 mfc_mcastgrp; 78 __be32 mfc_origin; 79 }; 80 struct mfc_cache_cmp_arg cmparg; 81 }; 82}; 83 84struct rtmsg; 85int ipmr_get_route(struct net *net, struct sk_buff *skb, 86 __be32 saddr, __be32 daddr, 87 struct rtmsg *rtm, u32 portid); 88#endif