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 14 static inline int ip_mroute_opt(int opt) 15 { 16 return opt >= MRT_BASE && opt <= MRT_MAX; 17 } 18 19 int ip_mroute_setsockopt(struct sock *, int, sockptr_t, unsigned int); 20 int ip_mroute_getsockopt(struct sock *, int, sockptr_t, sockptr_t); 21 int ipmr_ioctl(struct sock *sk, int cmd, void *arg); 22 int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); 23 int ip_mr_init(void); 24 bool ipmr_rule_default(const struct fib_rule *rule); 25 int ipmr_sk_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); 26 #else 27 static inline int ip_mroute_setsockopt(struct sock *sock, int optname, 28 sockptr_t optval, unsigned int optlen) 29 { 30 return -ENOPROTOOPT; 31 } 32 33 static inline int ip_mroute_getsockopt(struct sock *sk, int optname, 34 sockptr_t optval, sockptr_t optlen) 35 { 36 return -ENOPROTOOPT; 37 } 38 39 static inline int ipmr_ioctl(struct sock *sk, int cmd, void *arg) 40 { 41 return -ENOIOCTLCMD; 42 } 43 44 static inline int ip_mr_init(void) 45 { 46 return 0; 47 } 48 49 static inline int ip_mroute_opt(int opt) 50 { 51 return 0; 52 } 53 54 static inline bool ipmr_rule_default(const struct fib_rule *rule) 55 { 56 return true; 57 } 58 59 static 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 68 struct 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 */ 80 struct 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 91 struct rtmsg; 92 int ipmr_get_route(struct net *net, struct sk_buff *skb, 93 __be32 saddr, __be32 daddr, 94 struct rtmsg *rtm, u32 portid); 95 #endif 96