X-Git-Url: http://git.onelab.eu/?p=libnl.git;a=blobdiff_plain;f=include%2Fnetlink%2Fnetlink-kernel.h;fp=include%2Fnetlink%2Fnetlink-kernel.h;h=134710d9e69fefc94c099b4000ef6c350576cf66;hp=0000000000000000000000000000000000000000;hb=4cee2ecb3b8afa0637e6f5fe4c57985a4bc740ff;hpb=2df2fbe518d5a221ce6e3ee88a3fb23fb1b94b27

diff --git a/include/netlink/netlink-kernel.h b/include/netlink/netlink-kernel.h
new file mode 100644
index 0000000..134710d
--- /dev/null
+++ b/include/netlink/netlink-kernel.h
@@ -0,0 +1,242 @@
+#ifndef __LINUX_NETLINK_H
+#define __LINUX_NETLINK_H
+
+#define NETLINK_ROUTE		0	/* Routing/device hook */
+#define NETLINK_W1		1	/* 1-wire subsystem */
+#define NETLINK_USERSOCK	2	/* Reserved for user mode socket protocols 	*/
+#define NETLINK_FIREWALL	3	/* Firewalling hook		*/
+#define NETLINK_INET_DIAG	4	/* INET socket monitoring */
+#define NETLINK_TCPDIAG		NETLINK_INET_DIAG
+#define NETLINK_NFLOG		5	/* netfilter/iptables ULOG */
+#define NETLINK_XFRM		6	/* ipsec */
+#define NETLINK_SELINUX		7	/* SELinux event notifications */
+#define NETLINK_ISCSI		8	/* Open-iSCSI */
+#define NETLINK_AUDIT		9	/* auditing */
+#define NETLINK_FIB_LOOKUP	10
+#define NETLINK_CONNECTOR	11
+#define NETLINK_NETFILTER	12
+#define NETLINK_IP6_FW		13
+#define NETLINK_DNRTMSG		14	/* DECnet routing messages */
+#define NETLINK_KOBJECT_UEVENT	15	/* Kernel messages to userspace */
+#define NETLINK_GENERIC		16
+
+#define MAX_LINKS 32		
+
+/**
+ * Netlink socket address
+ * @ingroup nl
+ */
+struct sockaddr_nl
+{
+	/** socket family (AF_NETLINK) */
+	sa_family_t     nl_family;
+
+	/** Padding (unused) */
+	unsigned short  nl_pad;
+
+	/** Unique process ID  */
+	uint32_t        nl_pid;
+
+	/** Multicast group subscriptions */
+	uint32_t        nl_groups;
+};
+
+/**
+ * Netlink message header
+ * @ingroup msg
+ */
+struct nlmsghdr
+{
+	/**
+	 * Length of message including header.
+	 */
+	uint32_t	nlmsg_len;
+
+	/**
+	 * Message type (content type)
+	 */
+	uint16_t	nlmsg_type;
+
+	/**
+	 * Message flags
+	 */
+	uint16_t	nlmsg_flags;
+
+	/**
+	 * Sequence number
+	 */
+	uint32_t	nlmsg_seq;
+
+	/**
+	 * Netlink PID of the proccess sending the message.
+	 */
+	uint32_t	nlmsg_pid;
+};
+
+/**
+ * @name Standard message flags
+ * @{
+ */
+
+/**
+ * Must be set on all request messages (typically from user space to
+ * kernel space).
+ * @ingroup msg
+ */
+#define NLM_F_REQUEST		1
+
+/**
+ * Indicates the message is part of a multipart message terminated
+ * by NLMSG_DONE.
+ */
+#define NLM_F_MULTI		2
+
+/**
+ * Request for an acknowledgment on success.
+ */
+#define NLM_F_ACK		4
+
+/**
+ * Echo this request
+ */
+#define NLM_F_ECHO		8
+
+/** @} */
+
+/**
+ * @name Additional message flags for GET requests
+ * @{
+ */
+
+/**
+ * Return the complete table instead of a single entry.
+ * @ingroup msg
+ */
+#define NLM_F_ROOT	0x100
+
+/**
+ * Return all entries matching criteria passed in message content.
+ */
+#define NLM_F_MATCH	0x200
+
+/**
+ * Return an atomic snapshot of the table being referenced. This
+ * may require special privileges because it has the potential to
+ * interrupt service in the FE for a longer time.
+ */
+#define NLM_F_ATOMIC	0x400
+
+/**
+ * Dump all entries
+ */
+#define NLM_F_DUMP	(NLM_F_ROOT|NLM_F_MATCH)
+
+/** @} */
+
+/**
+ * @name Additional messsage flags for NEW requests
+ * @{
+ */
+
+/**
+ * Replace existing matching config object with this request.
+ * @ingroup msg
+ */
+#define NLM_F_REPLACE	0x100
+
+/**
+ * Don't replace the config object if it already exists.
+ */
+#define NLM_F_EXCL	0x200
+
+/**
+ * Create config object if it doesn't already exist.
+ */
+#define NLM_F_CREATE	0x400
+
+/**
+ * Add to the end of the object list.
+ */
+#define NLM_F_APPEND	0x800
+
+/** @} */
+
+#define NLMSG_ALIGNTO	4
+#define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) )
+#define NLMSG_HDRLEN	 ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
+
+/**
+ * @name Standard Message types
+ * @{
+ */
+
+/**
+ * No operation, message must be ignored
+ * @ingroup msg
+ */
+#define NLMSG_NOOP		0x1
+
+/**
+ * The message signals an error and the payload contains a nlmsgerr
+ * structure. This can be looked at as a NACK and typically it is
+ * from FEC to CPC.
+ */
+#define NLMSG_ERROR		0x2
+
+/**
+ * Message terminates a multipart message.
+ */
+#define NLMSG_DONE		0x3
+
+/**
+ * The message signals that data got lost
+ */
+#define NLMSG_OVERRUN		0x4
+
+/**
+ * Lower limit of reserved message types
+ */
+#define NLMSG_MIN_TYPE		0x10
+
+/** @} */
+
+/**
+ * Netlink error message
+ * @ingroup msg
+ */
+struct nlmsgerr
+{
+	/** Error code (errno number) */
+	int		error;
+
+	/** Original netlink message causing the error */
+	struct nlmsghdr	msg;
+};
+
+#define NETLINK_ADD_MEMBERSHIP	1
+#define NETLINK_DROP_MEMBERSHIP	2
+#define NETLINK_PKTINFO		3
+
+struct nl_pktinfo
+{
+	__u32	group;
+};
+
+/**
+ * Netlink Attribute
+ * @ingroup attr
+ */
+struct nlattr
+{
+	/** Attribute length */
+	__u16           nla_len;
+
+	/** Attribute type */
+	__u16           nla_type;
+};
+
+#define NLA_ALIGNTO		4
+#define NLA_ALIGN(len)		(((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1))
+#define NLA_HDRLEN		((int) NLA_ALIGN(sizeof(struct nlattr)))
+
+#endif	/* __LINUX_NETLINK_H */