[GitHub/mt8127/android_kernel_alcatel_ttab.git] / 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);
}
#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, 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;
}
static inline int ip6mr_sk_done(struct sock *sk)
{
	return 0;
}
#endif
#endif
Commit	Line	Data
7bc570c8 YH	1	#ifndef __LINUX_MROUTE6_H
	2	#define __LINUX_MROUTE6_H
	3
7bc570c8	4
7c19a3d2	5	#include <linux/pim.h>
7bc570c8	6	#include <linux/skbuff.h> /* for struct sk_buff_head */
bd91b8bf	7	#include <net/net_namespace.h>
607ca46e	8	#include <uapi/linux/mroute6.h>
7bc570c8	9
7bc570c8 YH	10	#ifdef CONFIG_IPV6_MROUTE
	11	static inline int ip6_mroute_opt(int opt)
	12	{
bbb923a4	13	return (opt >= MRT6_BASE) && (opt <= MRT6_MAX);
7bc570c8 YH	14	}
	15	#else
	16	static inline int ip6_mroute_opt(int opt)
	17	{
	18	return 0;
	19	}
	20	#endif
	21
	22	struct sock;
	23
e0835f8f	24	#ifdef CONFIG_IPV6_MROUTE
b7058842	25	extern int ip6_mroute_setsockopt(struct sock , int, char __user , unsigned int);
7bc570c8 YH	26	extern int ip6_mroute_getsockopt(struct sock , int, char __user , int __user *);
	27	extern int ip6_mr_input(struct sk_buff *skb);
	28	extern int ip6mr_ioctl(struct sock sk, int cmd, void __user arg);
e2d57766	29	extern int ip6mr_compat_ioctl(struct sock sk, unsigned int cmd, void __user arg);
623d1a1a WC	30	extern int ip6_mr_init(void);
623d1a1a WC	31	extern void ip6_mr_cleanup(void);
e0835f8f YH	32	#else
	33	static inline
	34	int ip6_mroute_setsockopt(struct sock *sock,
b7058842	35	int optname, char __user *optval, unsigned int optlen)
e0835f8f YH	36	{
	37	return -ENOPROTOOPT;
	38	}
	39
	40	static inline
	41	int ip6_mroute_getsockopt(struct sock *sock,
	42	int optname, char __user optval, int __user optlen)
	43	{
	44	return -ENOPROTOOPT;
	45	}
	46
	47	static inline
	48	int ip6mr_ioctl(struct sock sk, int cmd, void __user arg)
	49	{
	50	return -ENOIOCTLCMD;
	51	}
	52
	53	static inline int ip6_mr_init(void)
	54	{
	55	return 0;
	56	}
	57
	58	static inline void ip6_mr_cleanup(void)
	59	{
	60	return;
	61	}
	62	#endif
7bc570c8	63
d94d9fee	64	struct mif_device {
7bc570c8 YH	65	struct net_device dev; / Device we are using */
	66	unsigned long bytes_in,bytes_out;
	67	unsigned long pkt_in,pkt_out; /* Statistics */
	68	unsigned long rate_limit; /* Traffic shaping (NI) */
	69	unsigned char threshold; /* TTL threshold */
	70	unsigned short flags; /* Control flags */
	71	int link; /* Physical interface index */
	72	};
	73
	74	#define VIFF_STATIC 0x8000
	75
d94d9fee	76	struct mfc6_cache {
f30a7784	77	struct list_head list;
7bc570c8 YH	78	struct in6_addr mf6c_mcastgrp; /* Group the entry belongs to */
	79	struct in6_addr mf6c_origin; /* Source of packet */
	80	mifi_t mf6c_parent; /* Source interface */
	81	int mfc_flags; /* Flags on line */
	82
	83	union {
	84	struct {
	85	unsigned long expires;
	86	struct sk_buff_head unresolved; /* Unresolved buffers */
	87	} unres;
	88	struct {
	89	unsigned long last_assert;
	90	int minvif;
	91	int maxvif;
	92	unsigned long bytes;
	93	unsigned long pkt;
	94	unsigned long wrong_if;
	95	unsigned char ttls[MAXMIFS]; /* TTL thresholds */
	96	} res;
	97	} mfc_un;
	98	};
	99
	100	#define MFC_STATIC 1
	101	#define MFC_NOTIFY 2
	102
	103	#define MFC6_LINES 64
	104
	105	#define MFC6_HASH(a, g) (((__force u32)(a)->s6_addr32[0] ^ \
	106	(__force u32)(a)->s6_addr32[1] ^ \
	107	(__force u32)(a)->s6_addr32[2] ^ \
	108	(__force u32)(a)->s6_addr32[3] ^ \
	109	(__force u32)(g)->s6_addr32[0] ^ \
	110	(__force u32)(g)->s6_addr32[1] ^ \
	111	(__force u32)(g)->s6_addr32[2] ^ \
	112	(__force u32)(g)->s6_addr32[3]) % MFC6_LINES)
	113
	114	#define MFC_ASSERT_THRESH (3HZ) / Maximal freq. of asserts */
	115
7bc570c8	116	struct rtmsg;
8229efda	117	extern int ip6mr_get_route(struct net net, struct sk_buff skb,
2943dca4	118	struct rtmsg *rtm, int nowait, u32 portid);
7bc570c8 YH	119
7bc570c8 YH	120	#ifdef CONFIG_IPV6_MROUTE
d1db275d	121	extern struct sock mroute6_socket(struct net net, struct sk_buff *skb);
7bc570c8 YH	122	extern int ip6mr_sk_done(struct sock *sk);
7bc570c8 YH	123	#else
d1db275d PM	124	static inline struct sock mroute6_socket(struct net net, struct sk_buff *skb)
	125	{
	126	return NULL;
	127	}
	128	static inline int ip6mr_sk_done(struct sock *sk)
	129	{
	130	return 0;
	131	}
7bc570c8 YH	132	#endif
7bc570c8 YH	133	#endif