#include <linux/capability.h>
#include <linux/skbuff.h>
#include <linux/export.h>
#include <net/scm.h>
#include <uapi/linux/netlink.h>

Data Structures
struct	netlink_skb_parms

struct	netlink_kernel_cfg

struct	netlink_callback

struct	netlink_notify

struct	netlink_dump_control

Macros
#define	NETLINK_CB(skb) ((struct netlink_skb_parms)&((skb)->cb))

#define	NETLINK_CREDS(skb) (&NETLINK_CB((skb)).creds)

#define	NL_CFG_F_NONROOT_RECV (1 << 0)

#define	NL_CFG_F_NONROOT_SEND (1 << 1)

#define	NLMSG_GOODSIZE SKB_WITH_OVERHEAD(PAGE_SIZE)

#define	NLMSG_DEFAULT_SIZE (NLMSG_GOODSIZE - NLMSG_HDRLEN)

Functions
void	netlink_table_grab (void)

void	netlink_table_ungrab (void)

struct sock *	__netlink_kernel_create (struct net net, int unit, struct module module, struct netlink_kernel_cfg *cfg)

void	netlink_kernel_release (struct sock *sk)

int	__netlink_change_ngroups (struct sock *sk, unsigned int groups)

int	netlink_change_ngroups (struct sock *sk, unsigned int groups)

void	__netlink_clear_multicast_users (struct sock *sk, unsigned int group)

void	netlink_clear_multicast_users (struct sock *sk, unsigned int group)

void	netlink_ack (struct sk_buff in_skb, struct nlmsghdr nlh, int err)

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

int	netlink_unicast (struct sock ssk, struct sk_buff skb, __u32 portid, int nonblock)

int	netlink_broadcast (struct sock ssk, struct sk_buff skb, __u32 portid, __u32 group, gfp_t allocation)

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)

int	netlink_set_err (struct sock *ssk, __u32 portid, __u32 group, int code)

int	netlink_register_notifier (struct notifier_block *nb)

int	netlink_unregister_notifier (struct notifier_block *nb)

struct sock *	netlink_getsockbyfilp (struct file *filp)

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

void	netlink_detachskb (struct sock sk, struct sk_buff skb)

int	netlink_sendskb (struct sock sk, struct sk_buff skb)

struct nlmsghdr *	__nlmsg_put (struct sk_buff *skb, u32 portid, u32 seq, int type, int len, int flags)

int	__netlink_dump_start (struct sock ssk, struct sk_buff skb, const struct nlmsghdr nlh, struct netlink_dump_control control)

Macro Definition Documentation

#define NETLINK_CB ( skb ) (*(struct netlink_skb_parms*)&((skb)->cb))

Definition at line 25 of file netlink.h.

#define NETLINK_CREDS ( skb ) (&NETLINK_CB((skb)).creds)

Definition at line 26 of file netlink.h.

#define NL_CFG_F_NONROOT_RECV (1 << 0)

Definition at line 32 of file netlink.h.

#define NL_CFG_F_NONROOT_SEND (1 << 1)

Definition at line 33 of file netlink.h.

#define NLMSG_DEFAULT_SIZE (NLMSG_GOODSIZE - NLMSG_HDRLEN)

Definition at line 90 of file netlink.h.

#define NLMSG_GOODSIZE SKB_WITH_OVERHEAD(PAGE_SIZE)

Definition at line 85 of file netlink.h.

Function Documentation

int __netlink_change_ngroups	(	struct sock *	sk,
		unsigned int	groups
	)

void __netlink_clear_multicast_users	(	struct sock *	sk,
		unsigned int	group
	)

int __netlink_dump_start	(	struct sock *	ssk,
		struct sk_buff *	skb,
		const struct nlmsghdr *	nlh,
		struct netlink_dump_control *	control
	)

struct sock* __netlink_kernel_create	(	struct net *	net,
		int	unit,
		struct module *	module,
		struct netlink_kernel_cfg *	cfg
	)

read

struct nlmsghdr* __nlmsg_put	(	struct sk_buff *	skb,
		u32	portid,
		u32	seq,
		int	type,
		int	len,
		int	flags
	)

read

void netlink_ack	(	struct sk_buff *	in_skb,
		struct nlmsghdr *	nlh,
		int	err
	)

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.

int netlink_change_ngroups	(	struct sock *	sk,
		unsigned int	groups
	)

void netlink_clear_multicast_users	(	struct sock *	sk,
		unsigned int	group
	)

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.

void netlink_kernel_release ( struct sock * sk )

int netlink_register_notifier ( struct notifier_block * nb )

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

Definition at line 882 of file af_netlink.c.

int netlink_set_err	(	struct sock *	ssk,
		__u32	portid,
		__u32	group,
		int	code
	)

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.

int netlink_unregister_notifier ( struct notifier_block * nb )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation