af_netlink.c File Reference

#include <linux/module.h>
#include <linux/capability.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/stat.h>
#include <linux/socket.h>
#include <linux/un.h>
#include <linux/fcntl.h>
#include <linux/termios.h>
#include <linux/sockios.h>
#include <linux/net.h>
#include <linux/fs.h>
#include <linux/slab.h>
#include <asm/uaccess.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/rtnetlink.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/notifier.h>
#include <linux/security.h>
#include <linux/jhash.h>
#include <linux/jiffies.h>
#include <linux/random.h>
#include <linux/bitops.h>
#include <linux/mm.h>
#include <linux/types.h>
#include <linux/audit.h>
#include <linux/mutex.h>
#include <net/net_namespace.h>
#include <net/sock.h>
#include <net/scm.h>
#include <net/netlink.h>

Go to the source code of this file.

Data Structures
struct	netlink_sock
struct	listeners
struct	nl_portid_hash
struct	netlink_table
struct	netlink_broadcast_data
struct	netlink_set_err_data

Macros
#define	NLGRPSZ(x)   (ALIGN(x, sizeof(unsigned long) * 8) / 8)
#define	NLGRPLONGS(x)   (NLGRPSZ(x)/sizeof(unsigned long))
#define	NETLINK_KERNEL_SOCKET   0x1
#define	NETLINK_RECV_PKTINFO   0x2
#define	NETLINK_BROADCAST_SEND_ERROR   0x4
#define	NETLINK_RECV_NO_ENOBUFS   0x8
#define	nl_deref_protected(X)   rcu_dereference_protected(X, lockdep_is_held(&nl_table_lock));

Functions
void	netlink_table_grab (void)
void	netlink_table_ungrab (void)
struct sock *	netlink_getsockbyfilp (struct file *filp)
int	netlink_attachskb (struct sock *sk, struct sk_buff *skb, long *timeo, struct sock *ssk)
int	netlink_sendskb (struct sock *sk, struct sk_buff *skb)
void	netlink_detachskb (struct sock *sk, struct sk_buff *skb)
int	netlink_unicast (struct sock *ssk, struct sk_buff *skb, u32 portid, int nonblock)
	EXPORT_SYMBOL (netlink_unicast)
int	netlink_has_listeners (struct sock *sk, unsigned int group)
	EXPORT_SYMBOL_GPL (netlink_has_listeners)
int	netlink_broadcast_filtered (struct sock *ssk, struct sk_buff *skb, u32 portid, u32 group, gfp_t allocation, int(*filter)(struct sock *dsk, struct sk_buff *skb, void *data), void *filter_data)
	EXPORT_SYMBOL (netlink_broadcast_filtered)
int	netlink_broadcast (struct sock *ssk, struct sk_buff *skb, u32 portid, u32 group, gfp_t allocation)
	EXPORT_SYMBOL (netlink_broadcast)

Macro Definition Documentation

#define NETLINK_BROADCAST_SEND_ERROR   0x4

Definition at line 94 of file af_netlink.c.

#define NETLINK_KERNEL_SOCKET   0x1

Definition at line 92 of file af_netlink.c.

#define NETLINK_RECV_NO_ENOBUFS   0x8

Definition at line 95 of file af_netlink.c.

#define NETLINK_RECV_PKTINFO   0x2

Definition at line 93 of file af_netlink.c.

#define nl_deref_protected

(

X

)

rcu_dereference_protected(X, lockdep_is_held(&nl_table_lock));

Definition at line 141 of file af_netlink.c.

#define NLGRPLONGS

(

x

)

(NLGRPSZ(x)/sizeof(unsigned long))

Definition at line 65 of file af_netlink.c.

#define NLGRPSZ

(

x

)

(ALIGN(x, sizeof(unsigned long) * 8) / 8)

Definition at line 64 of file af_netlink.c.

Function Documentation

EXPORT_SYMBOL

(

netlink_unicast

)

EXPORT_SYMBOL

(

netlink_broadcast_filtered

)

EXPORT_SYMBOL

(

netlink_broadcast

)

EXPORT_SYMBOL_GPL

(

netlink_has_listeners

)

int netlink_attachskb	(	struct sock *	sk,
		struct sk_buff *	skb,
		long *	timeo,
		struct sock *	ssk
	)

Definition at line 833 of file af_netlink.c.

int netlink_broadcast	(	struct sock *	ssk,
		struct sk_buff *	skb,
		u32	portid,
		u32	group,
		gfp_t	allocation
	)

Definition at line 1146 of file af_netlink.c.

int netlink_broadcast_filtered	(	struct sock *	ssk,
		struct sk_buff *	skb,
		u32	portid,
		u32	group,
		gfp_t	allocation,
		int(*)(struct sock *dsk, struct sk_buff *skb, void *data)	filter,
		void *	filter_data
	)

Definition at line 1094 of file af_netlink.c.

void netlink_detachskb	(	struct sock *	sk,
		struct sk_buff *	skb
	)

Definition at line 890 of file af_netlink.c.

struct sock* netlink_getsockbyfilp ( struct file *  filp )

read

Definition at line 807 of file af_netlink.c.

int netlink_has_listeners	(	struct sock *	sk,
		unsigned int	group
	)

Definition at line 986 of file af_netlink.c.

int netlink_sendskb	(	struct sock *	sk,
		struct sk_buff *	skb
	)

Definition at line 882 of file af_netlink.c.

void netlink_table_grab

(

void

)

Definition at line 197 of file af_netlink.c.

void netlink_table_ungrab

(

void

)

Definition at line 222 of file af_netlink.c.

int netlink_unicast	(	struct sock *	ssk,
		struct sk_buff *	skb,
		u32	portid,
		int	nonblock
	)

Definition at line 950 of file af_netlink.c.