X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fnetlink.h;h=9ff1b54908f3a2260a01bea28b81ab811713fdd5;hb=af558e33bedab672f5cfd3260bce7445e353fe21;hp=36629fff26d39f5ee2ae18491a60e81dab6fd402;hpb=b529ccf2799c14346d1518e9bdf1f88f03643e99;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index 36629ff..9ff1b54 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -27,11 +27,13 @@
 
 #define MAX_LINKS 32		
 
+struct net;
+
 struct sockaddr_nl
 {
 	sa_family_t	nl_family;	/* AF_NETLINK	*/
 	unsigned short	nl_pad;		/* zero		*/
-	__u32		nl_pid;		/* process pid	*/
+	__u32		nl_pid;		/* port ID	*/
        	__u32		nl_groups;	/* multicast groups mask */
 };
 
@@ -41,7 +43,7 @@ struct nlmsghdr
 	__u16		nlmsg_type;	/* Message content */
 	__u16		nlmsg_flags;	/* Additional flags */
 	__u32		nlmsg_seq;	/* Sequence number */
-	__u32		nlmsg_pid;	/* Sending process PID */
+	__u32		nlmsg_pid;	/* Sending process port ID */
 };
 
 /* Flags values */
@@ -129,6 +131,20 @@ struct nlattr
 	__u16           nla_type;
 };
 
+/*
+ * nla_type (16 bits)
+ * +---+---+-------------------------------+
+ * | N | O | Attribute Type                |
+ * +---+---+-------------------------------+
+ * N := Carries nested attributes
+ * O := Payload stored in network byte order
+ *
+ * Note: The N and O flag are mutually exclusive.
+ */
+#define NLA_F_NESTED		(1 << 15)
+#define NLA_F_NET_BYTEORDER	(1 << 14)
+#define NLA_TYPE_MASK		~(NLA_F_NESTED | NLA_F_NET_BYTEORDER)
+
 #define NLA_ALIGNTO		4
 #define NLA_ALIGN(len)		(((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1))
 #define NLA_HDRLEN		((int) NLA_ALIGN(sizeof(struct nlattr)))
@@ -150,6 +166,7 @@ struct netlink_skb_parms
 	__u32			dst_group;
 	kernel_cap_t		eff_cap;
 	__u32			loginuid;	/* Login (audit) uid */
+	__u32			sessionid;	/* Session id (audit) */
 	__u32			sid;		/* SELinux security id */
 };
 
@@ -157,7 +174,14 @@ struct netlink_skb_parms
 #define NETLINK_CREDS(skb)	(&NETLINK_CB((skb)).creds)
 
 
-extern struct sock *netlink_kernel_create(int unit, unsigned int groups, void (*input)(struct sock *sk, int len), struct module *module);
+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 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);
@@ -169,10 +193,10 @@ extern int netlink_unregister_notifier(struct notifier_block *nb);
 
 /* finegrained unicast helpers: */
 struct sock *netlink_getsockbyfilp(struct file *filp);
-int netlink_attachskb(struct sock *sk, struct sk_buff *skb, int nonblock,
-		long timeo, struct sock *ssk);
+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, int protocol);
+int netlink_sendskb(struct sock *sk, struct sk_buff *skb);
 
 /*
  *	skb should fit one page. This choice is good for headerless malloc.
@@ -196,11 +220,12 @@ struct netlink_callback
 	int		(*dump)(struct sk_buff * skb, struct netlink_callback *cb);
 	int		(*done)(struct netlink_callback *cb);
 	int		family;
-	long		args[5];
+	long		args[6];
 };
 
 struct netlink_notify
 {
+	struct net *net;
 	int pid;
 	int protocol;
 };
@@ -222,25 +247,13 @@ __nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags)
 }
 
 #define NLMSG_NEW(skb, pid, seq, type, len, flags) \
-({	if (skb_tailroom(skb) < (int)NLMSG_SPACE(len)) \
+({	if (unlikely(skb_tailroom(skb) < (int)NLMSG_SPACE(len))) \
 		goto nlmsg_failure; \
 	__nlmsg_put(skb, pid, seq, type, len, flags); })
 
 #define NLMSG_PUT(skb, pid, seq, type, len) \
 	NLMSG_NEW(skb, pid, seq, type, len, 0)
 
-#define NLMSG_NEW_ANSWER(skb, cb, type, len, flags) \
-	NLMSG_NEW(skb, NETLINK_CB((cb)->skb).pid, \
-		  (cb)->nlh->nlmsg_seq, type, len, flags)
-
-#define NLMSG_END(skb, nlh) \
-({	(nlh)->nlmsg_len = skb_tail_pointer(skb) - (unsigned char *)(nlh); \
-	(skb)->len; })
-
-#define NLMSG_CANCEL(skb, nlh) \
-({	skb_trim(skb, (unsigned char *) (nlh) - (skb)->data); \
-	-1; })
-
 extern int netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
 			      struct nlmsghdr *nlh,
 			      int (*dump)(struct sk_buff *skb, struct netlink_callback*),