1 #ifndef __LINUX_MROUTE_H 2 #define __LINUX_MROUTE_H 3 4 #include <linux/in.h> 5 #include <linux/pim.h> 6 #include <net/sock.h> 7 #include <uapi/linux/mroute.h> 8 9 #ifdef CONFIG_IP_MROUTE 10 static inline int ip_mroute_opt(int opt) 11 { 12 return (opt >= MRT_BASE) && (opt <= MRT_MAX); 13 } 14 #else 15 static inline int ip_mroute_opt(int opt) 16 { 17 return 0; 18 } 19 #endif 20 21 #ifdef CONFIG_IP_MROUTE 22 extern int ip_mroute_setsockopt(struct sock *, int, char __user *, unsigned int); 23 extern int ip_mroute_getsockopt(struct sock *, int, char __user *, int __user *); 24 extern int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg); 25 extern int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); 26 extern int ip_mr_init(void); 27 #else 28 static inline 29 int ip_mroute_setsockopt(struct sock *sock, 30 int optname, char __user *optval, unsigned int optlen) 31 { 32 return -ENOPROTOOPT; 33 } 34 35 static inline 36 int ip_mroute_getsockopt(struct sock *sock, 37 int optname, char __user *optval, int __user *optlen) 38 { 39 return -ENOPROTOOPT; 40 } 41 42 static inline 43 int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg) 44 { 45 return -ENOIOCTLCMD; 46 } 47 48 static inline int ip_mr_init(void) 49 { 50 return 0; 51 } 52 #endif 53 54 struct vif_device { 55 struct net_device *dev; /* Device we are using */ 56 unsigned long bytes_in,bytes_out; 57 unsigned long pkt_in,pkt_out; /* Statistics */ 58 unsigned long rate_limit; /* Traffic shaping (NI) */ 59 unsigned char threshold; /* TTL threshold */ 60 unsigned short flags; /* Control flags */ 61 __be32 local,remote; /* Addresses(remote for tunnels)*/ 62 int link; /* Physical interface index */ 63 }; 64 65 #define VIFF_STATIC 0x8000 66 67 struct mfc_cache { 68 struct list_head list; 69 __be32 mfc_mcastgrp; /* Group the entry belongs to */ 70 __be32 mfc_origin; /* Source of packet */ 71 vifi_t mfc_parent; /* Source interface */ 72 int mfc_flags; /* Flags on line */ 73 74 union { 75 struct { 76 unsigned long expires; 77 struct sk_buff_head unresolved; /* Unresolved buffers */ 78 } unres; 79 struct { 80 unsigned long last_assert; 81 int minvif; 82 int maxvif; 83 unsigned long bytes; 84 unsigned long pkt; 85 unsigned long wrong_if; 86 unsigned char ttls[MAXVIFS]; /* TTL thresholds */ 87 } res; 88 } mfc_un; 89 struct rcu_head rcu; 90 }; 91 92 #define MFC_STATIC 1 93 #define MFC_NOTIFY 2 94 95 #define MFC_LINES 64 96 97 #ifdef __BIG_ENDIAN 98 #define MFC_HASH(a,b) (((((__force u32)(__be32)a)>>24)^(((__force u32)(__be32)b)>>26))&(MFC_LINES-1)) 99 #else 100 #define MFC_HASH(a,b) ((((__force u32)(__be32)a)^(((__force u32)(__be32)b)>>2))&(MFC_LINES-1)) 101 #endif 102 103 struct rtmsg; 104 extern int ipmr_get_route(struct net *net, struct sk_buff *skb, 105 __be32 saddr, __be32 daddr, 106 struct rtmsg *rtm, int nowait); 107 #endif 108