inet_hashtables.h File Reference

#include <linux/interrupt.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/socket.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/wait.h>
#include <linux/vmalloc.h>
#include <net/inet_connection_sock.h>
#include <net/inet_sock.h>
#include <net/sock.h>
#include <net/route.h>
#include <net/tcp_states.h>
#include <net/netns/hash.h>
#include <linux/atomic.h>
#include <asm/byteorder.h>

Go to the source code of this file.

Data Structures
struct	inet_ehash_bucket
struct	inet_bind_bucket
struct	inet_bind_hashbucket
struct	inet_listen_hashbucket
struct	inet_hashinfo

Macros
#define	inet_bind_bucket_for_each(tb, pos, head)   hlist_for_each_entry(tb, pos, head, node)
#define	LISTENING_NULLS_BASE   (1U << 29)
#define	INET_LHTABLE_SIZE   32 /* Yes, really, this is all you need. */
#define	INET_COMBINED_PORTS(__sport, __dport)   ((__force __portpair)(((__u32)(__dport) << 16) | (__force __u32)(__be16)(__sport)))
#define	INET_ADDR_COOKIE(__name, __saddr, __daddr)
#define	INET_MATCH(__sk, __net, __hash, __cookie, __saddr, __daddr, __ports, __dif)
#define	INET_TW_MATCH(__sk, __net, __hash, __cookie, __saddr, __daddr, __ports, __dif)

Typedefs
typedef __u32 __bitwise	__portpair

Functions
struct inet_bind_bucket *	inet_bind_bucket_create (struct kmem_cache *cachep, struct net *net, struct inet_bind_hashbucket *head, const unsigned short snum)
void	inet_bind_bucket_destroy (struct kmem_cache *cachep, struct inet_bind_bucket *tb)
void	inet_bind_hash (struct sock *sk, struct inet_bind_bucket *tb, const unsigned short snum)
int	__inet_inherit_port (struct sock *sk, struct sock *child)
void	inet_put_port (struct sock *sk)
void	inet_hashinfo_init (struct inet_hashinfo *h)
int	__inet_hash_nolisten (struct sock *sk, struct inet_timewait_sock *tw)
void	inet_hash (struct sock *sk)
void	inet_unhash (struct sock *sk)
struct sock *	__inet_lookup_listener (struct net *net, struct inet_hashinfo *hashinfo, const __be32 daddr, const unsigned short hnum, const int dif)
struct sock *	__inet_lookup_established (struct net *net, struct inet_hashinfo *hashinfo, const __be32 saddr, const __be16 sport, const __be32 daddr, const u16 hnum, const int dif)
int	__inet_hash_connect (struct inet_timewait_death_row *death_row, struct sock *sk, u32 port_offset, int(*check_established)(struct inet_timewait_death_row *, struct sock *, __u16, struct inet_timewait_sock **), int(*hash)(struct sock *sk, struct inet_timewait_sock *twp))
int	inet_hash_connect (struct inet_timewait_death_row *death_row, struct sock *sk)

Macro Definition Documentation

#define INET_ADDR_COOKIE	(		__name,
			__saddr,
			__daddr
	)

Definition at line 313 of file inet_hashtables.h.

#define inet_bind_bucket_for_each	(		tb,
			pos,
			head
	)		hlist_for_each_entry(tb, pos, head, node)

Definition at line 95 of file inet_hashtables.h.

#define INET_COMBINED_PORTS	(		__sport,
			__dport
	)		((__force __portpair)(((__u32)(__dport) << 16) | (__force __u32)(__be16)(__sport)))

Definition at line 285 of file inet_hashtables.h.

#define INET_LHTABLE_SIZE   32 /* Yes, really, this is all you need. */

Definition at line 116 of file inet_hashtables.h.

#define INET_MATCH	(		__sk,
			__net,
			__hash,
			__cookie,
			__saddr,
			__daddr,
			__ports,
			__dif
	)

Value:

(((__sk)->sk_hash == (__hash)) && net_eq(sock_net(__sk), (__net))   &&  \
     (inet_sk(__sk)->inet_daddr == (__saddr))       &&  \
     (inet_sk(__sk)->inet_rcv_saddr == (__daddr))       &&  \
     ((*((__portpair *)&(inet_sk(__sk)->inet_dport))) == (__ports)) &&  \
     (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif))))

Definition at line 314 of file inet_hashtables.h.

#define INET_TW_MATCH	(		__sk,
			__net,
			__hash,
			__cookie,
			__saddr,
			__daddr,
			__ports,
			__dif
	)

Value:

(((__sk)->sk_hash == (__hash)) && net_eq(sock_net(__sk), (__net))   &&  \
     (inet_twsk(__sk)->tw_daddr == (__saddr))       &&  \
     (inet_twsk(__sk)->tw_rcv_saddr == (__daddr))       &&  \
     ((*((__portpair *)&(inet_twsk(__sk)->tw_dport))) == (__ports)) &&  \
     (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif))))

Definition at line 320 of file inet_hashtables.h.

#define LISTENING_NULLS_BASE   (1U << 29)

Definition at line 109 of file inet_hashtables.h.

Typedef Documentation

typedef __u32 __bitwise __portpair

Definition at line 280 of file inet_hashtables.h.

Function Documentation

int __inet_hash_connect	(	struct inet_timewait_death_row *	death_row,
		struct sock *	sk,
		u32	port_offset,
		int(*)(struct inet_timewait_death_row *, struct sock *, __u16, struct inet_timewait_sock **)	check_established,
		int(*)(struct sock *sk, struct inet_timewait_sock *twp)	hash
	)

Definition at line 454 of file inet_hashtables.c.

int __inet_hash_nolisten	(	struct sock *	sk,
		struct inet_timewait_sock *	tw
	)

Definition at line 376 of file inet_hashtables.c.

int __inet_inherit_port	(	struct sock *	sk,
		struct sock *	child
	)

Definition at line 105 of file inet_hashtables.c.

struct sock* __inet_lookup_established ( struct net *  net, struct inet_hashinfo *  hashinfo, const __be32  saddr, const __be16  sport, const __be32  daddr, const u16  hnum, const int  dif  )

read

Definition at line 220 of file inet_hashtables.c.

struct sock* __inet_lookup_listener ( struct net *  net, struct inet_hashinfo *  hashinfo, const __be32  daddr, const unsigned short  hnum, const int  dif  )

read

Definition at line 177 of file inet_hashtables.c.

struct inet_bind_bucket* inet_bind_bucket_create ( struct kmem_cache *  cachep, struct net *  net, struct inet_bind_hashbucket *  head, const unsigned short  snum  )

read

Definition at line 31 of file inet_hashtables.c.

void inet_bind_bucket_destroy	(	struct kmem_cache *	cachep,
		struct inet_bind_bucket *	tb
	)

Definition at line 52 of file inet_hashtables.c.

void inet_bind_hash	(	struct sock *	sk,
		struct inet_bind_bucket *	tb,
		const unsigned short	snum
	)

Definition at line 61 of file inet_hashtables.c.

void inet_hash

(

struct sock *

sk

)

Definition at line 422 of file inet_hashtables.c.

int inet_hash_connect	(	struct inet_timewait_death_row *	death_row,
		struct sock *	sk
	)

Definition at line 565 of file inet_hashtables.c.

void inet_hashinfo_init

(

struct inet_hashinfo *

h

)

Definition at line 573 of file inet_hashtables.c.

void inet_put_port

(

struct sock *

sk

)

Definition at line 97 of file inet_hashtables.c.

void inet_unhash

(

struct sock *

sk

)

Definition at line 432 of file inet_hashtables.c.