1 files changed, 29 insertions, 27 deletions

diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index 5ba398e90304..e2b9e63afa68 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -27,18 +27,14 @@
 
 #define MAX_LINKS 32		
 
-struct net;
-
-struct sockaddr_nl
-{
+struct sockaddr_nl {
 	sa_family_t	nl_family;	/* AF_NETLINK	*/
 	unsigned short	nl_pad;		/* zero		*/
 	__u32		nl_pid;		/* port ID	*/
        	__u32		nl_groups;	/* multicast groups mask */
 };
 
-struct nlmsghdr
-{
+struct nlmsghdr {
 	__u32		nlmsg_len;	/* Length of message including header */
 	__u16		nlmsg_type;	/* Message content */
 	__u16		nlmsg_flags;	/* Additional flags */
@@ -74,7 +70,7 @@ struct nlmsghdr
    Check		NLM_F_EXCL
  */
 
-#define NLMSG_ALIGNTO	4
+#define NLMSG_ALIGNTO	4U
 #define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) )
 #define NLMSG_HDRLEN	 ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
 #define NLMSG_LENGTH(len) ((len)+NLMSG_ALIGN(NLMSG_HDRLEN))
@@ -94,8 +90,7 @@ struct nlmsghdr
 
 #define NLMSG_MIN_TYPE		0x10	/* < 0x10: reserved control messages */
 
-struct nlmsgerr
-{
+struct nlmsgerr {
 	int		error;
 	struct nlmsghdr msg;
 };
@@ -106,8 +101,7 @@ struct nlmsgerr
 #define NETLINK_BROADCAST_ERROR	4
 #define NETLINK_NO_ENOBUFS	5
 
-struct nl_pktinfo
-{
+struct nl_pktinfo {
 	__u32	group;
 };
 
@@ -127,8 +121,7 @@ enum {
  *  <-------------- nlattr->nla_len -------------->
  */
 
-struct nlattr
-{
+struct nlattr {
 	__u16           nla_len;
 	__u16           nla_type;
 };
@@ -156,13 +149,14 @@ struct nlattr
 #include <linux/capability.h>
 #include <linux/skbuff.h>
 
+struct net;
+
 static inline struct nlmsghdr *nlmsg_hdr(const struct sk_buff *skb)
 {
 	return (struct nlmsghdr *)skb->data;
 }
 
-struct netlink_skb_parms
-{
+struct netlink_skb_parms {
 	struct ucred		creds;		/* Skb credentials	*/
 	__u32			pid;
 	__u32			dst_group;
@@ -176,20 +170,29 @@ struct netlink_skb_parms
 #define NETLINK_CREDS(skb)	(&NETLINK_CB((skb)).creds)
 
 
+extern void netlink_table_grab(void);
+extern void netlink_table_ungrab(void);
+
 extern struct sock *netlink_kernel_create(struct net *net,
 					  int unit,unsigned int groups,
 					  void (*input)(struct sk_buff *skb),
 					  struct mutex *cb_mutex,
 					  struct module *module);
 extern void netlink_kernel_release(struct sock *sk);
+extern int __netlink_change_ngroups(struct sock *sk, unsigned int groups);
 extern int netlink_change_ngroups(struct sock *sk, unsigned int groups);
+extern void __netlink_clear_multicast_users(struct sock *sk, unsigned int group);
 extern void netlink_clear_multicast_users(struct sock *sk, unsigned int group);
 extern void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err);
 extern int netlink_has_listeners(struct sock *sk, unsigned int group);
 extern int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 pid, int nonblock);
 extern int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, __u32 pid,
 			     __u32 group, gfp_t allocation);
-extern void netlink_set_err(struct sock *ssk, __u32 pid, __u32 group, int code);
+extern int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb,
+	__u32 pid, __u32 group, gfp_t allocation,
+	int (*filter)(struct sock *dsk, struct sk_buff *skb, void *data),
+	void *filter_data);
+extern int netlink_set_err(struct sock *ssk, __u32 pid, __u32 group, int code);
 extern int netlink_register_notifier(struct notifier_block *nb);
 extern int netlink_unregister_notifier(struct notifier_block *nb);
 
@@ -215,18 +218,17 @@ int netlink_sendskb(struct sock *sk, struct sk_buff *skb);
 #define NLMSG_DEFAULT_SIZE (NLMSG_GOODSIZE - NLMSG_HDRLEN)
 
 
-struct netlink_callback
-{
-	struct sk_buff	*skb;
-	struct nlmsghdr	*nlh;
-	int		(*dump)(struct sk_buff * skb, struct netlink_callback *cb);
-	int		(*done)(struct netlink_callback *cb);
-	int		family;
-	long		args[6];
+struct netlink_callback {
+	struct sk_buff		*skb;
+	const struct nlmsghdr	*nlh;
+	int			(*dump)(struct sk_buff * skb,
+					struct netlink_callback *cb);
+	int			(*done)(struct netlink_callback *cb);
+	int			family;
+	long			args[6];
 };
 
-struct netlink_notify
-{
+struct netlink_notify {
 	struct net *net;
 	int pid;
 	int protocol;
@@ -258,7 +260,7 @@ __nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags)
 	NLMSG_NEW(skb, pid, seq, type, len, 0)
 
 extern int netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
-			      struct nlmsghdr *nlh,
+			      const struct nlmsghdr *nlh,
 			      int (*dump)(struct sk_buff *skb, struct netlink_callback*),
 			      int (*done)(struct netlink_callback*));