Release 4.12 include/linux/mroute6.h

#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);
}
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#else


static inline int ip6_mroute_opt(int opt)
{
	return 0;
}
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#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;
}

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static inline

int ip6_mroute_getsockopt(struct sock *sock,
			  int optname, char __user *optval, int __user *optlen)
{
	return -ENOPROTOOPT;
}

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static inline

int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg)
{
	return -ENOIOCTLCMD;
}

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static inline int ip6_mr_init(void)
{
	return 0;
}

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static inline void ip6_mr_cleanup(void)
{
	return;
}
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#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 long lastuse;
			
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, u32 portid);

#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;
}
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static inline int ip6mr_sk_done(struct sock *sk)
{
	return 0;
}
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#endif
#endif
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Directory: include/linux

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