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#ifndef __LINUX_MROUTE6_H
#define __LINUX_MROUTE6_H
#include <linux/pim.h>
#include <linux/skbuff.h> /* for struct sk_buff_head */
#include <net/net_namespace.h>
#include <uapi/linux/mroute6.h>
#ifdef CONFIG_IPV6_MROUTE
static inline int ip6_mroute_opt(int opt)
{
return (opt >= MRT6_BASE) && (opt <= MRT6_MAX);
}
#else
static inline int ip6_mroute_opt(int opt)
{
return 0;
}
#endif
struct sock;
#ifdef CONFIG_IPV6_MROUTE
extern int ip6_mroute_setsockopt(struct sock *, int, char __user *, unsigned int);
extern int ip6_mroute_getsockopt(struct sock *, int, char __user *, int __user *);
extern int ip6_mr_input(struct sk_buff *skb);
extern int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg);
extern int ip6mr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
extern int ip6_mr_init(void);
extern void ip6_mr_cleanup(void);
#else
static inline
int ip6_mroute_setsockopt(struct sock *sock,
int optname, char __user *optval, unsigned int optlen)
{
return -ENOPROTOOPT;
}
static inline
int ip6_mroute_getsockopt(struct sock *sock,
int optname, char __user *optval, int __user *optlen)
{
return -ENOPROTOOPT;
}
static inline
int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg)
{
return -ENOIOCTLCMD;
}
static inline int ip6_mr_init(void)
{
return 0;
}
static inline void ip6_mr_cleanup(void)
{
return;
}
#endif
struct mif_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 */
int link; /* Physical interface index */
};
#define VIFF_STATIC 0x8000
struct mfc6_cache {
struct list_head list;
struct in6_addr mf6c_mcastgrp; /* Group the entry belongs to */
struct in6_addr mf6c_origin; /* Source of packet */
mifi_t mf6c_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[MAXMIFS]; /* TTL thresholds */
} res;
} mfc_un;
};
#define MFC_STATIC 1
#define MFC_NOTIFY 2
#define MFC6_LINES 64
#define MFC6_HASH(a, g) (((__force u32)(a)->s6_addr32[0] ^ \
(__force u32)(a)->s6_addr32[1] ^ \
(__force u32)(a)->s6_addr32[2] ^ \
(__force u32)(a)->s6_addr32[3] ^ \
(__force u32)(g)->s6_addr32[0] ^ \
(__force u32)(g)->s6_addr32[1] ^ \
(__force u32)(g)->s6_addr32[2] ^ \
(__force u32)(g)->s6_addr32[3]) % MFC6_LINES)
#define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */
struct rtmsg;
extern int ip6mr_get_route(struct net *net, struct sk_buff *skb,
struct rtmsg *rtm, int nowait);
#ifdef CONFIG_IPV6_MROUTE
extern struct sock *mroute6_socket(struct net *net, struct sk_buff *skb);
extern int ip6mr_sk_done(struct sock *sk);
#else
static inline struct sock *mroute6_socket(struct net *net, struct sk_buff *skb)
{
return NULL;
}
static inline int ip6mr_sk_done(struct sock *sk)
{
return 0;
}
#endif
#endif