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#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