diff options
Diffstat (limited to 'kernel/include/linux/mroute.h')
-rw-r--r-- | kernel/include/linux/mroute.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/kernel/include/linux/mroute.h b/kernel/include/linux/mroute.h new file mode 100644 index 000000000..79aaa9fc1 --- /dev/null +++ b/kernel/include/linux/mroute.h @@ -0,0 +1,107 @@ +#ifndef __LINUX_MROUTE_H +#define __LINUX_MROUTE_H + +#include <linux/in.h> +#include <linux/pim.h> +#include <net/sock.h> +#include <uapi/linux/mroute.h> + +#ifdef CONFIG_IP_MROUTE +static inline int ip_mroute_opt(int opt) +{ + return (opt >= MRT_BASE) && (opt <= MRT_MAX); +} +#else +static inline int ip_mroute_opt(int opt) +{ + return 0; +} +#endif + +#ifdef CONFIG_IP_MROUTE +extern int ip_mroute_setsockopt(struct sock *, int, char __user *, unsigned int); +extern int ip_mroute_getsockopt(struct sock *, int, char __user *, int __user *); +extern int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg); +extern int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); +extern int ip_mr_init(void); +#else +static inline +int ip_mroute_setsockopt(struct sock *sock, + int optname, char __user *optval, unsigned int optlen) +{ + return -ENOPROTOOPT; +} + +static inline +int ip_mroute_getsockopt(struct sock *sock, + int optname, char __user *optval, int __user *optlen) +{ + return -ENOPROTOOPT; +} + +static inline +int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg) +{ + return -ENOIOCTLCMD; +} + +static inline int ip_mr_init(void) +{ + return 0; +} +#endif + +struct vif_device { + struct net_device *dev; /* Device we are using */ + unsigned long bytes_in,bytes_out; + unsigned long pkt_in,pkt_out; /* Statistics */ + unsigned long rate_limit; /* Traffic shaping (NI) */ + unsigned char threshold; /* TTL threshold */ + unsigned short flags; /* Control flags */ + __be32 local,remote; /* Addresses(remote for tunnels)*/ + int link; /* Physical interface index */ +}; + +#define VIFF_STATIC 0x8000 + +struct mfc_cache { + struct list_head list; + __be32 mfc_mcastgrp; /* Group the entry belongs to */ + __be32 mfc_origin; /* Source of packet */ + vifi_t mfc_parent; /* Source interface */ + int mfc_flags; /* Flags on line */ + + union { + struct { + unsigned long expires; + struct sk_buff_head unresolved; /* Unresolved buffers */ + } unres; + struct { + unsigned long last_assert; + int minvif; + int maxvif; + unsigned long bytes; + unsigned long pkt; + unsigned long wrong_if; + unsigned char ttls[MAXVIFS]; /* TTL thresholds */ + } res; + } mfc_un; + struct rcu_head rcu; +}; + +#define MFC_STATIC 1 +#define MFC_NOTIFY 2 + +#define MFC_LINES 64 + +#ifdef __BIG_ENDIAN +#define MFC_HASH(a,b) (((((__force u32)(__be32)a)>>24)^(((__force u32)(__be32)b)>>26))&(MFC_LINES-1)) +#else +#define MFC_HASH(a,b) ((((__force u32)(__be32)a)^(((__force u32)(__be32)b)>>2))&(MFC_LINES-1)) +#endif + +struct rtmsg; +extern int ipmr_get_route(struct net *net, struct sk_buff *skb, + __be32 saddr, __be32 daddr, + struct rtmsg *rtm, int nowait); +#endif |